Drop unnecessary 'l' length modifier when printfing double values.
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 4#
949906ea
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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.
79ab96ba
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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
MR
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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54 exit 1
55fi
56
a77f01c7
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57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
06454877
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61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
3b327a4b
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66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
06454877
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80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
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84 --libdir=DIR install libs in DIR [PREFIX/lib]
85 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
86 --incdir=DIR install includes in DIR [PREFIX/include]
87 --mandir=DIR install man page in DIR [PREFIX/share/man]
88
3b327a4b 89Licensing options:
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90 --enable-gpl allow use of GPL code, the resulting libs
91 and binaries will be under GPL [no]
92 --enable-version3 upgrade (L)GPL to version 3 [no]
93 --enable-nonfree allow use of nonfree code, the resulting libs
94 and binaries will be unredistributable [no]
3b327a4b
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95
96Configuration options:
97 --disable-static do not build static libraries [no]
98 --enable-shared build shared libraries [no]
99 --enable-small optimize for size instead of speed
100 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
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
5a0f7131
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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
193cdd9a
DB
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
3b327a4b
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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
3b327a4b
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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]
06454877
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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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DB
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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DB
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
50cd43f2
DB
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.
7e4d9d5d
RB
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
7bfc8ae6
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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 "$logfile" produced by configure as this will help
336solving the problem.
2ba042a7
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337EOF
338 fi
57bd82d4
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339 exit 1
340}
341
6c6007d6 342# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 343toupper(){
6c6007d6 344 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
345}
346
4a5444db 347tolower(){
6c6007d6 348 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
349}
350
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351c_escape(){
352 echo "$*" | sed 's/["\\]/\\\0/g'
353}
354
b04251c5
MR
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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MR
365filter(){
366 pat=$1
367 shift
368 for v; do
98ef6079 369 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
370 done
371}
372
9d201b26
MR
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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DB
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
72a43668
MR
401set_weak(){
402 value=$1
403 shift
404 for var; do
405 eval : \${$var:=$value}
406 done
407}
408
3f8040db
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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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MR
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
a8d04fba
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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(){
fd07f803
MR
455 for var; do
456 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
457 done
72702705
MR
458}
459
460disable_safe(){
fd07f803
MR
461 for var; do
462 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
463 done
72702705
MR
464}
465
f9d328da
MR
466do_enable_deep(){
467 for var; do
468 enabled $var && continue
469 eval sel="\$${var}_select"
c510c7b5
MR
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
MR
475 popvar var
476 done
477}
478
479enable_deep(){
480 do_enable_deep $*
481 enable $*
482}
483
72a43668
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484enable_deep_weak(){
485 do_enable_deep $*
486 enable_weak $*
487}
488
57bd82d4 489enabled(){
3250003c
MR
490 test "${1#!}" = "$1" && op== || op=!=
491 eval test "x\$${1#!}" $op "xyes"
44161118
MR
492}
493
37970ebf 494disabled(){
3250003c
MR
495 test "${1#!}" = "$1" && op== || op=!=
496 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
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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DB
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 $opt && return 0
520 done
f7b230a7 521 return 1
85bca2c5
DB
522}
523
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MR
524set_default(){
525 for opt; do
88268e94 526 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
527 done
528}
529
4a0d6686
AJ
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#!}"
799c9e9b
MR
542 enabled ${cfg}_checking && die "Circular dependency for $cfg."
543 disabled ${cfg}_checking && continue
544 enable ${cfg}_checking
d4f8cecc 545 append allopts $cfg
799c9e9b 546
30fd06be
MR
547 eval dep_all="\$${cfg}_deps"
548 eval dep_any="\$${cfg}_deps_any"
7ef3425f 549 eval dep_sel="\$${cfg}_select"
c510c7b5 550 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
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 $dep_ifn
3d7453e0 556 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 557
3d7453e0
MR
558 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
559 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
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 1330 rtpdec
5ad2f0bf 1331 rtpenc_chain
bfe9f48a 1332 sinewin
8c53d39e 1333 videodsp
ab9f9876 1334 vp3dsp
b6bb00b0
MR
1335"
1336
520cc7f1 1337CMDLINE_SELECT="
3f5b56e5 1338 $ARCH_EXT_LIST
520cc7f1 1339 $CONFIG_LIST
fd712a55 1340 $HAVE_LIST_CMDLINE
8eee7025 1341 $THREADS_LIST
c8a4ae00 1342 asm
db6107b6 1343 cross_compile
520cc7f1
MR
1344 debug
1345 extra_warnings
8c6afa4d 1346 logging
65d12900 1347 lto
d2bbb2f7 1348 optimizations
520cc7f1 1349"
426be5dc
DB
1350
1351PATHS_LIST='
d156bede 1352 bindir
14a8acf1 1353 datadir
26759c44
MR
1354 incdir
1355 libdir
26759c44
MR
1356 mandir
1357 prefix
1358 shlibdir
426be5dc
DB
1359'
1360
1361CMDLINE_SET="
1362 $PATHS_LIST
121d78d0 1363 ar
426be5dc 1364 arch
313c46a6 1365 as
426be5dc
DB
1366 build_suffix
1367 cc
1368 cpu
1369 cross_prefix
50567afa 1370 dep_cc
ac63af34 1371 extra_version
9da6609f
MR
1372 host_cc
1373 host_cflags
095792f2 1374 host_ld
9da6609f
MR
1375 host_ldflags
1376 host_libs
82bb3329 1377 host_os
684b28e0 1378 ld
426be5dc 1379 logfile
4ae40685 1380 malloc_prefix
89641463 1381 nm
9cd7b854 1382 optflags
3f8040db 1383 pkg_config
154caa67 1384 random_seed
2fad0977 1385 samples
c5200f17
MR
1386 sysinclude
1387 sysroot
a7ada2ba 1388 target_exec
26759c44 1389 target_os
a7ada2ba 1390 target_path
aeeb782c 1391 toolchain
426be5dc 1392"
520cc7f1 1393
89f2932b
MR
1394CMDLINE_APPEND="
1395 extra_cflags
1396"
1397
912f3148
DB
1398# code dependency declarations
1399
9eeed841 1400# architecture extensions
808fa33c 1401
a2fc0f6a
MR
1402armv5te_deps="arm"
1403armv6_deps="arm"
ab5cb084 1404armv6t2_deps="arm"
808fa33c 1405neon_deps="arm"
b3267559
MR
1406vfp_deps="arm"
1407vfpv3_deps="vfp"
808fa33c 1408
637606de
MR
1409map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1410
808fa33c
MR
1411altivec_deps="ppc"
1412ppc4xx_deps="ppc"
1413
1414vis_deps="sparc"
1415
7f8c3d1f 1416x86_64_suggest="cmov fast_cmov"
50cd43f2 1417
808fa33c
MR
1418amd3dnow_deps="mmx"
1419amd3dnowext_deps="amd3dnow"
9eeed841 1420mmx_deps="x86"
239fdf1b 1421mmxext_deps="mmx"
50cd43f2
DB
1422sse_deps="mmxext"
1423sse2_deps="sse"
1424sse3_deps="sse2"
1425ssse3_deps="sse3"
1426sse4_deps="ssse3"
1427sse42_deps="sse4"
1428avx_deps="sse42"
79687079 1429fma4_deps="avx"
9eeed841 1430
43b73d59
DB
1431mmx_external_deps="yasm"
1432mmx_inline_deps="inline_asm"
1433mmx_suggest="mmx_external mmx_inline"
1434
1435for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1436 eval dep=\$${ext}_deps
1437 eval ${ext}_external_deps='"${dep}_external"'
1438 eval ${ext}_inline_deps='"${dep}_inline"'
1439 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1440done
1441
59782b82 1442aligned_stack_if_any="ppc x86"
e939cedd 1443fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
f0fe245b
MR
1444fast_clz_if_any="alpha avr32 mips ppc x86"
1445fast_unaligned_if_any="ppc x86"
669b5583 1446
6fec122a 1447inline_asm_deps="!tms470"
3e0b1c9a 1448need_memalign="altivec neon sse"
89e053f8 1449
b462d132
MR
1450symver_if_any="symver_asm_label symver_gnu_asm"
1451
88a35699
MS
1452log2_deps="!msvcrt"
1453
26fbcc85 1454# subsystems
dc609252 1455dct_select="rdft"
26fbcc85
MR
1456mdct_select="fft"
1457rdft_select="fft"
1e164c0b 1458mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1459mpegaudiodsp_select="dct"
ed40b6bf 1460mpegvideo_select="videodsp"
ad08dfd5 1461mpegvideoenc_select="mpegvideo"
26fbcc85 1462
ed40b6bf 1463# decoders / encoders
cfc2a0cf 1464aac_decoder_select="mdct sinewin"
4538729a 1465aac_encoder_select="mdct sinewin"
136e19e1 1466aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1467ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1468ac3_encoder_select="mdct ac3dsp"
3d269059 1469ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1470alac_encoder_select="lpc"
b781cc12 1471amrnb_decoder_select="lsp"
2b2a597e 1472amrwb_decoder_select="lsp"
4538729a 1473atrac1_decoder_select="mdct sinewin"
26fbcc85 1474atrac3_decoder_select="mdct"
a33657ce
DB
1475binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1476binkaudio_rdft_decoder_select="mdct rdft sinewin"
18bbca1f 1477cavs_decoder_select="golomb mpegvideo"
9b500b8f 1478comfortnoise_encoder_select="lpc"
4538729a 1479cook_decoder_select="mdct sinewin"
2a91ada8 1480cscd_decoder_select="lzo"
2eef7c62 1481cscd_decoder_suggest="zlib"
26fbcc85 1482dca_decoder_select="mdct"
ad08dfd5 1483dnxhd_encoder_select="aandcttables mpegvideoenc"
2eef7c62 1484dxa_decoder_select="zlib"
baf91bb9 1485eac3_decoder_select="ac3_decoder"
4264a0dd 1486eac3_encoder_select="ac3_encoder"
69804535 1487eamad_decoder_select="aandcttables error_resilience mpegvideo"
87849592 1488eatgq_decoder_select="aandcttables"
c292f6a2 1489eatqi_decoder_select="aandcttables error_resilience mpegvideo"
f704a079
DB
1490ffv1_decoder_select="golomb rangecoder"
1491ffv1_encoder_select="rangecoder"
5a582bd3 1492ffvhuff_encoder_select="huffman"
4f034993 1493flac_decoder_select="golomb"
f4d608e3 1494flac_encoder_select="golomb lpc"
2eef7c62
AJ
1495flashsv_decoder_select="zlib"
1496flashsv_encoder_select="zlib"
c2d23309 1497flashsv2_decoder_select="zlib"
4414137e 1498flv_decoder_select="h263_decoder"
4d4b4bd1 1499flv_encoder_select="h263_encoder"
3447f12d 1500fraps_decoder_select="huffman"
c292f6a2 1501h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1502h261_encoder_select="aandcttables mpegvideoenc"
c292f6a2
DB
1503h263_decoder_select="error_resilience h263_parser mpegvideo"
1504h263_encoder_select="aandcttables error_resilience mpegvideoenc"
4414137e 1505h263i_decoder_select="h263_decoder"
fe629c2d 1506h263p_encoder_select="h263_encoder"
c292f6a2 1507h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
5a582bd3 1508huffyuv_encoder_select="huffman"
19be0f3c 1509iac_decoder_select="fft mdct sinewin"
56c8227d 1510imc_decoder_select="fft mdct sinewin"
4f034993
MR
1511jpegls_decoder_select="golomb"
1512jpegls_encoder_select="golomb"
ad08dfd5 1513ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1514loco_decoder_select="golomb"
c292f6a2 1515mdec_decoder_select="error_resilience mpegvideo"
ad08dfd5 1516mjpeg_encoder_select="aandcttables mpegvideoenc"
2cca233b 1517mlp_decoder_select="mlp_parser"
1e164c0b
DB
1518mp1_decoder_select="mpegaudio"
1519mp1float_decoder_select="mpegaudio"
1520mp2_decoder_select="mpegaudio"
1521mp2float_decoder_select="mpegaudio"
1522mp3_decoder_select="mpegaudio"
1523mp3adu_decoder_select="mpegaudio"
1524mp3adufloat_decoder_select="mpegaudio"
1525mp3float_decoder_select="mpegaudio"
1526mp3on4_decoder_select="mpegaudio"
1527mp3on4float_decoder_select="mpegaudio"
606c9297
DB
1528mpc7_decoder_select="mpegaudiodsp"
1529mpc8_decoder_select="mpegaudiodsp"
3e0b1c9a
DB
1530mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1531mpeg_xvmc_decoder_select="mpegvideo_decoder"
c292f6a2
DB
1532mpeg1video_decoder_select="error_resilience mpegvideo"
1533mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
c292f6a2
DB
1534mpeg2video_decoder_select="error_resilience mpegvideo"
1535mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
3e0b1c9a
DB
1536mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1537mpeg4_encoder_select="h263_encoder"
4414137e 1538msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1539msmpeg4v1_encoder_select="h263_encoder"
4414137e 1540msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1541msmpeg4v2_encoder_select="h263_encoder"
4414137e 1542msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1543msmpeg4v3_encoder_select="h263_encoder"
ee769c6a 1544mss2_decoder_select="vc1_decoder"
4538729a
MR
1545nellymoser_decoder_select="mdct sinewin"
1546nellymoser_encoder_select="mdct sinewin"
2a91ada8 1547nuv_decoder_select="lzo"
2eef7c62
AJ
1548png_decoder_select="zlib"
1549png_encoder_select="zlib"
b781cc12 1550qcelp_decoder_select="lsp"
c4f5c2d6 1551qdm2_decoder_select="mdct rdft mpegaudiodsp"
31ed3f1f 1552ra_144_encoder_select="lpc"
9f43fdda 1553ralf_decoder_select="golomb"
a8beb22f 1554rv10_decoder_select="h263_decoder"
b2bf38b4 1555rv10_encoder_select="h263_encoder"
a8beb22f 1556rv20_decoder_select="h263_decoder"
b2bf38b4 1557rv20_encoder_select="h263_encoder"
c292f6a2
DB
1558rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1559rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
4f034993 1560shorten_decoder_select="golomb"
b781cc12 1561sipr_decoder_select="lsp"
f704a079
DB
1562snow_decoder_select="dwt rangecoder"
1563snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
c292f6a2
DB
1564svq1_decoder_select="error_resilience mpegvideo"
1565svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1566svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
bee2eac5 1567svq3_decoder_suggest="zlib"
4eef77c1 1568theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1569tiff_decoder_suggest="zlib"
1570tiff_encoder_suggest="zlib"
aec09a00 1571truehd_decoder_select="mlp_decoder"
2eef7c62 1572tscc_decoder_select="zlib"
4538729a 1573twinvq_decoder_select="mdct lsp sinewin"
aa661113 1574utvideo_encoder_select="huffman"
915a2a0a 1575vc1_decoder_select="h263_decoder h264chroma h264qpel"
45ecda85 1576vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1577vorbis_decoder_select="mdct"
1578vorbis_encoder_select="mdct"
8c53d39e
RB
1579vp3_decoder_select="vp3dsp videodsp"
1580vp5_decoder_select="vp3dsp videodsp"
1581vp6_decoder_select="huffman vp3dsp videodsp"
e82dc4c9
DB
1582vp6a_decoder_select="vp6_decoder"
1583vp6f_decoder_select="vp6_decoder"
8c53d39e 1584vp8_decoder_select="h264pred videodsp"
4538729a
MR
1585wmapro_decoder_select="mdct sinewin"
1586wmav1_decoder_select="mdct sinewin"
1587wmav1_encoder_select="mdct sinewin"
1588wmav2_decoder_select="mdct sinewin"
1589wmav2_encoder_select="mdct sinewin"
1590wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1591wmv1_decoder_select="h263_decoder"
665507aa 1592wmv1_encoder_select="h263_encoder"
f95bfab0 1593wmv2_decoder_select="h263_decoder"
1746e2a9 1594wmv2_encoder_select="h263_encoder"
015f8ee0 1595wmv3_decoder_select="vc1_decoder"
45ecda85 1596wmv3image_decoder_select="wmv3_decoder"
0e714f88 1597zerocodec_decoder_select="zlib"
2eef7c62
AJ
1598zlib_decoder_select="zlib"
1599zlib_encoder_select="zlib"
1600zmbv_decoder_select="zlib"
1601zmbv_encoder_select="zlib"
30fd06be 1602
ed40b6bf 1603# hardware accelerators
0afab17e 1604vaapi_deps="va_va_h"
ac3dbb4d 1605vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
c89c96e9
MR
1606vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1607
ed40b6bf
DB
1608h263_vaapi_hwaccel_select="vaapi h263_decoder"
1609h264_dxva2_hwaccel_deps="dxva2api_h"
1610h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1611h264_vaapi_hwaccel_select="vaapi h264_decoder"
1612h264_vda_hwaccel_select="vda h264_decoder"
1613h264_vdpau_decoder_select="vdpau h264_decoder"
1614mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1615mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1616mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1617mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1618mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1619mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1620mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1621vc1_dxva2_hwaccel_deps="dxva2api_h"
1622vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1623vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1624vc1_vdpau_decoder_select="vdpau vc1_decoder"
1625wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1626wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1627wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1628
28b80940 1629# parsers
c292f6a2
DB
1630h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1631mpeg4video_parser_select="error_resilience mpegvideo"
1632mpegvideo_parser_select="error_resilience mpegvideo"
1633vc1_parser_select="error_resilience mpegvideo"
28b80940 1634
912f3148 1635# external libraries
c9171a83 1636libfaac_encoder_deps="libfaac"
37eeb5e2 1637libfdk_aac_encoder_deps="libfdk_aac"
299c77d5
MR
1638libgsm_decoder_deps="libgsm"
1639libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1640libgsm_ms_decoder_deps="libgsm"
1641libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1642libilbc_decoder_deps="libilbc"
1643libilbc_encoder_deps="libilbc"
1cc60c47 1644libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1645libopencore_amrnb_decoder_deps="libopencore_amrnb"
1646libopencore_amrnb_encoder_deps="libopencore_amrnb"
1647libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1648libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1649libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1650libopus_decoder_deps="libopus"
6cb8c854 1651libopus_encoder_deps="libopus"
f7cd9eed
AS
1652libschroedinger_decoder_deps="libschroedinger"
1653libschroedinger_encoder_deps="libschroedinger"
ae14f311 1654libspeex_decoder_deps="libspeex"
b606a017 1655libspeex_encoder_deps="libspeex"
150d2772 1656libtheora_encoder_deps="libtheora"
d89e738a 1657libvo_aacenc_encoder_deps="libvo_aacenc"
f502ff3f 1658libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1659libvorbis_encoder_deps="libvorbis"
8299a7f8 1660libvpx_decoder_deps="libvpx"
ee0e9146 1661libvpx_encoder_deps="libvpx"
1cc60c47 1662libx264_encoder_deps="libx264"
de295976 1663libxavs_encoder_deps="libxavs"
1cc60c47 1664libxvid_encoder_deps="libxvid"
30fd06be 1665
912f3148 1666# demuxers / muxers
c2dd0e9e 1667ac3_demuxer_select="ac3_parser"
647c2356 1668asf_stream_muxer_select="asf_muxer"
4e622dea 1669avisynth_demuxer_deps="avisynth"
c2dd0e9e 1670dirac_demuxer_select="dirac_parser"
5b423887 1671eac3_demuxer_select="ac3_parser"
c2dd0e9e 1672flac_demuxer_select="flac_parser"
647c2356 1673ipod_muxer_select="mov_muxer"
31f16dc1 1674ismv_muxer_select="mov_muxer"
647c2356 1675matroska_audio_muxer_select="matroska_muxer"
2a91ada8 1676matroska_demuxer_suggest="bzlib lzo zlib"
4e622dea 1677mov_demuxer_suggest="zlib"
5ad2f0bf 1678mov_muxer_select="rtpenc_chain"
c2dd0e9e 1679mp3_demuxer_select="mpegaudio_parser"
647c2356 1680mp4_muxer_select="mov_muxer"
18bbca1f 1681mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
647c2356
DB
1682mpegtsraw_demuxer_select="mpegts_demuxer"
1683mxf_d10_muxer_select="mxf_muxer"
24ca518b 1684ogg_demuxer_select="golomb"
647c2356 1685psp_muxer_select="mov_muxer"
44594cc7 1686rtp_demuxer_select="sdp_demuxer"
18bbca1f 1687rtp_muxer_select="mpegvideo"
44b70ce5
MS
1688rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1689rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 1690rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 1691sap_demuxer_select="sdp_demuxer"
5ad2f0bf 1692sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 1693sdp_demuxer_select="rtpdec"
e772f9fa 1694smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1695spdif_muxer_select="aac_parser"
57231e4d 1696tak_demuxer_select="tak_parser"
647c2356
DB
1697tg2_muxer_select="mov_muxer"
1698tgp_muxer_select="mov_muxer"
6bdaa5f4 1699w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1700
1701# indevs / outdevs
38e54a75 1702alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1703alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1704bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1705dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1706fbdev_indev_deps="linux_fb_h"
38e54a75 1707jack_indev_deps="jack_jack_h"
e417d80d 1708libcdio_indev_deps="libcdio"
38e54a75 1709libdc1394_indev_deps="libdc1394"
38e54a75
SS
1710oss_indev_deps_any="soundcard_h sys_soundcard_h"
1711oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1712pulse_indev_deps="libpulse"
15d59d2c
B
1713sndio_indev_deps="sndio_h"
1714sndio_outdev_deps="sndio_h"
38e54a75 1715v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1716vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1717vfwcap_indev_extralibs="-lavicap32"
24f8961f 1718x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1719
912f3148 1720# protocols
acd554c1
SP
1721ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1722ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1723ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1724ffrtmphttp_protocol_deps="!librtmp_protocol"
1725ffrtmphttp_protocol_select="http_protocol"
998c1ee1 1726gopher_protocol_select="network"
c40e1757 1727httpproxy_protocol_select="tcp_protocol"
279a0c97 1728http_protocol_select="tcp_protocol"
183baead 1729https_protocol_select="tls_protocol"
c3b57d6e
DB
1730librtmp_protocol_deps="librtmp"
1731librtmpe_protocol_deps="librtmp"
1732librtmps_protocol_deps="librtmp"
1733librtmpt_protocol_deps="librtmp"
1734librtmpte_protocol_deps="librtmp"
c60a2d70 1735mmsh_protocol_select="http_protocol"
998c1ee1 1736mmst_protocol_select="network"
c3b57d6e 1737rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1738rtmp_protocol_select="tcp_protocol"
acd554c1 1739rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1740rtmps_protocol_deps="!librtmp_protocol"
1741rtmps_protocol_select="tls_protocol"
775c4d36 1742rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1743rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1744rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1745rtp_protocol_select="udp_protocol"
998c1ee1
DB
1746sctp_protocol_deps="struct_sctp_event_subscribe"
1747sctp_protocol_select="network"
1748tcp_protocol_select="network"
558d192d
MS
1749tls_protocol_deps_any="openssl gnutls"
1750tls_protocol_select="tcp_protocol"
998c1ee1 1751udp_protocol_select="network"
c08fb000 1752
6ebf0bfc 1753# filters
13fabd7a 1754blackframe_filter_deps="gpl"
ce6b6ef6 1755boxblur_filter_deps="gpl"
68b79bfc 1756cropdetect_filter_deps="gpl"
b157be1f 1757delogo_filter_deps="gpl"
a5b64584 1758drawtext_filter_deps="libfreetype"
2e5ff4d0 1759frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1760frei0r_filter_extralibs='$ldl'
a42bb9d6 1761frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1762frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1763hqdn3d_filter_deps="gpl"
d371e7b9 1764resample_filter_deps="avresample"
cf69ad35 1765ocv_filter_deps="libopencv"
2f296e39 1766scale_filter_deps="swscale"
acbac567 1767yadif_filter_deps="gpl"
6ebf0bfc 1768
5a0f7131 1769# libraries
d89f2fa9
DB
1770avcodec_deps="avutil"
1771avdevice_deps="avutil avcodec avformat"
1772avfilter_deps="avutil"
1773avformat_deps="avutil avcodec"
1774avresample_deps="avutil"
1775swscale_deps="avutil"
f7679c54 1776
912f3148 1777# programs
54fd593a 1778avconv_deps="avcodec avfilter avformat avresample swscale"
0a0e340f
DB
1779avconv_select="aformat_filter anull_filter asyncts_filter format_filter
1780 fps_filter null_filter resample_filter scale_filter
1781 setpts_filter"
d173ede1 1782avplay_deps="avcodec avformat avresample swscale sdl"
266463da 1783avplay_select="rdft"
9e12f0bf 1784avprobe_deps="avcodec avformat"
b263bf66 1785avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1786avserver_extralibs='$ldl'
a2830dca 1787
c73f65d9 1788doc_deps="texi2html"
912f3148 1789
de6d9b64 1790# default parameters
8a608357 1791
19bd477d 1792logfile="config.log"
8a608357
MR
1793
1794# installation paths
c9d19248
MR
1795prefix_default="/usr/local"
1796bindir_default='${prefix}/bin'
6291d7e4 1797datadir_default='${prefix}/share/avconv'
c9d19248
MR
1798incdir_default='${prefix}/include'
1799libdir_default='${prefix}/lib'
1800mandir_default='${prefix}/share/man'
1801shlibdir_default="$libdir_default"
8a608357
MR
1802
1803# toolchain
121d78d0 1804ar_default="ar"
13c7df3d 1805cc_default="gcc"
9da6609f 1806host_cc_default="gcc"
4ebc6a74 1807cp_f="cp -f"
11e6d03a 1808ln_s="ln -sf"
2a8a860a 1809nm_default="nm -g"
11e6d03a 1810objformat="elf"
3f8040db 1811pkg_config_default=pkg-config
be7109c1 1812ranlib="ranlib"
11e6d03a 1813yasmexe="yasm"
8a608357 1814
3e0b1c9a 1815nogas=":"
8182dc34 1816
8a608357 1817# machine
8d4c00ed 1818arch_default=$(uname -m)
38d0a8aa 1819cpu="generic"
8a608357 1820
8a608357 1821# OS
8d4c00ed
MR
1822target_os_default=$(tolower $(uname -s))
1823host_os=$target_os_default
8a608357 1824
8a608357 1825# configurable options
d89f2fa9 1826enable $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 1827
3e0b1c9a
DB
1828enable asm
1829enable debug
1830enable doc
8400d6b8 1831enable optimizations
8cfbbd92 1832enable safe_bitstream_reader
530dc538 1833enable static
a9ddb5b1 1834enable swscale_alpha
8a608357 1835
8a608357 1836# build settings
9987769a 1837SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1838AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1839LIBPREF="lib"
1840LIBSUF=".a"
c5f14466
RP
1841FULLNAME='$(NAME)$(BUILDSUF)'
1842LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1843SLIBPREF="lib"
1844SLIBSUF=".so"
c5f14466 1845SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1846SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1847SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1848LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1849SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1850SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1851
68485d1f
MR
1852asflags_filter=echo
1853cflags_filter=echo
64933b6c
MR
1854ldflags_filter=echo
1855
23565c26 1856AS_C='-c'
bc877faf 1857AS_O='-o $@'
23565c26 1858CC_C='-c'
18031c49 1859CC_E='-E -o $@'
7e6c86e6 1860CC_O='-o $@'
a758c5e2 1861LD_O='-o $@'
8db73c61
MR
1862LD_LIB='-l%'
1863LD_PATH='-L'
23565c26 1864HOSTCC_C='-c'
a758c5e2 1865HOSTCC_O='-o $@'
095792f2 1866HOSTLD_O='-o $@'
7e6c86e6 1867
1d01fee9 1868host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
9da6609f 1869host_libs='-lm'
6c3fa06a
MR
1870host_cflags_filter=echo
1871host_ldflags_filter=echo
9da6609f 1872
9b861379 1873target_path='$(CURDIR)'
a7ada2ba 1874
a158446b
MR
1875# since the object filename is not given with the -MM flag, the compiler
1876# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
1877DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1878DEPFLAGS='-MM'
315c741d 1879
c597172e 1880# find source path
24524f36 1881if test -f configure; then
f038cf3c 1882 source_path=.
c597172e 1883else
8477f2de 1884 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1885 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1886 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1887 test -e "$source_path/config.h" &&
1888 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1889fi
1890
13cbe2c0 1891for v in "$@"; do
b04251c5
MR
1892 r=${v#*=}
1893 l=${v%"$r"}
1894 r=$(sh_quote "$r")
29ba0911 1895 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1896done
c597172e 1897
73ef8980
MR
1898find_things(){
1899 thing=$1
1900 pattern=$2
1901 file=$source_path/$3
932ccf39 1902 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1903}
1904
1905ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1906DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1907HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1908PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1909BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1910MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1911DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1912OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1913INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1914PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1915FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1916
54e75be4
DB
1917ALL_COMPONENTS="
1918 $BSF_LIST
1919 $DECODER_LIST
1920 $DEMUXER_LIST
1921 $ENCODER_LIST
1922 $FILTER_LIST
1923 $HWACCEL_LIST
1924 $INDEV_LIST
1925 $MUXER_LIST
1926 $OUTDEV_LIST
1927 $PARSER_LIST
1928 $PROTOCOL_LIST
1929"
1930
8469ae22
MR
1931for n in $COMPONENT_LIST; do
1932 v=$(toupper ${n%s})_LIST
1933 eval enable \$$v
1934 eval ${n}_if_any="\$$v"
1935done
1936
4b587848
DB
1937disable snow_decoder snow_encoder
1938
206a070d 1939enable $ARCH_EXT_LIST
c597172e
MR
1940
1941die_unknown(){
1942 echo "Unknown option \"$1\"."
1943 echo "See $0 --help for available options."
1944 exit 1
1945}
1946
794f8e97 1947show_list() {
bf0c4afa
RP
1948 suffix=_$1
1949 shift
2b444ea7 1950 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1951 exit 0
1952}
1953
154caa67
MR
1954rand_list(){
1955 IFS=', '
1956 set -- $*
1957 unset IFS
1958 for thing; do
1959 comp=${thing%:*}
1960 prob=${thing#$comp}
1961 prob=${prob#:}
1962 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1963 echo "prob ${prob:-0.5}"
1964 printf '%s\n' $comp
1965 done
1966}
1967
1968do_random(){
1969 action=$1
1970 shift
1971 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1972 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1973}
1974
c597172e 1975for opt do
7483e694
DB
1976 optval="${opt#*=}"
1977 case "$opt" in
ea061af1
DB
1978 --extra-ldflags=*)
1979 add_ldflags $optval
7e9e7cc2 1980 ;;
ea061af1
DB
1981 --extra-libs=*)
1982 add_extralibs $optval
7e9e7cc2 1983 ;;
ea061af1
DB
1984 --disable-devices)
1985 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 1986 ;;
ea061af1
DB
1987 --enable-debug=*)
1988 debuglevel="$optval"
7e9e7cc2
MR
1989 ;;
1990 --disable-programs)
1991 disable $PROGRAM_LIST
1992 ;;
1993 --disable-everything)
1994 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1995 ;;
844c6852
DB
1996 --disable-all)
1997 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1998 disable $LIBRARY_LIST $PROGRAM_LIST doc
1999 ;;
7e9e7cc2
MR
2000 --enable-random|--disable-random)
2001 action=${opt%%-random}
2002 do_random ${action#--} $COMPONENT_LIST
2003 ;;
2004 --enable-random=*|--disable-random=*)
2005 action=${opt%%-random=*}
2006 do_random ${action#--} $optval
2007 ;;
2008 --enable-*=*|--disable-*=*)
2009 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2010 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2011 eval list=\$$(toupper $thing)_LIST
2012 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2013 $action $(filter "$name" $list)
2014 ;;
2015 --enable-?*|--disable-?*)
2016 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2017 if is_in $option $COMPONENT_LIST; then
2018 test $action = disable && action=unset
2019 eval $action \$$(toupper ${option%s})_LIST
2020 elif is_in $option $CMDLINE_SELECT; then
2021 $action $option
2022 else
2023 die_unknown $opt
2024 fi
2025 ;;
2026 --list-*)
2027 NAME="${opt#--list-}"
2028 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2029 NAME=${NAME%s}
2030 eval show_list $NAME \$$(toupper $NAME)_LIST
2031 ;;
2032 --help|-h) show_help
2033 ;;
2034 *)
2035 optname="${opt%%=*}"
2036 optname="${optname#--}"
2037 optname=$(echo "$optname" | sed 's/-/_/g')
2038 if is_in $optname $CMDLINE_SET; then
2039 eval $optname='$optval'
2040 elif is_in $optname $CMDLINE_APPEND; then
2041 append $optname "$optval"
2042 else
2043 die_unknown $opt
2044 fi
2045 ;;
7483e694 2046 esac
c597172e
MR
2047done
2048
bcea99bb
MR
2049disabled logging && logfile=/dev/null
2050
29ba0911 2051echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2052set >> $logfile
2053
9da6609f
MR
2054test -n "$cross_prefix" && enable cross_compile
2055
8d4c00ed
MR
2056if enabled cross_compile; then
2057 test -n "$arch" && test -n "$target_os" ||
2058 die "Must specify target arch and OS when cross-compiling"
2059fi
2060
121d78d0 2061ar_default="${cross_prefix}${ar_default}"
11e6d03a 2062cc_default="${cross_prefix}${cc_default}"
20e0ed95 2063nm_default="${cross_prefix}${nm_default}"
3f8040db 2064pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2065ranlib="${cross_prefix}${ranlib}"
adb2b908 2066
c5200f17
MR
2067sysinclude_default="${sysroot}/usr/include"
2068
aeeb782c 2069case "$toolchain" in
0fbb62a8
LB
2070 clang-asan)
2071 cc_default="clang"
2072 add_cflags -faddress-sanitizer
2073 add_ldflags -faddress-sanitizer
2074 ;;
2075 clang-tsan)
2076 cc_default="clang"
2077 add_cflags -fthread-sanitizer
2078 add_ldflags -fthread-sanitizer
2079 ;;
aeeb782c
MR
2080 msvc)
2081 cc_default="c99wrap cl"
2082 ld_default="c99wrap link"
2083 nm_default="dumpbin -symbols"
ac3a9b51 2084 ar_default="lib"
53e8cd68 2085 target_os_default="win32"
aeeb782c
MR
2086 ;;
2087 ?*)
2088 die "Unknown toolchain $toolchain"
2089 ;;
2090esac
2091
53e8cd68 2092set_default arch cc pkg_config sysinclude target_os
9da6609f
MR
2093enabled cross_compile || host_cc_default=$cc
2094set_default host_cc
13c7df3d 2095
762f95e4
MR
2096if ! $pkg_config --version >/dev/null 2>&1; then
2097 warn "$pkg_config not found, library detection may fail."
2098 pkg_config=false
2099fi
2100
82bb3329
MR
2101exesuf() {
2102 case $1 in
53e8cd68 2103 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2104 esac
2105}
2106
2107EXESUF=$(exesuf $target_os)
2108HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2109
e4e69e0b 2110# set temporary file name
a49d42c2 2111: ${TMPDIR:=$TEMPDIR}
c51fafa1 2112: ${TMPDIR:=$TMP}
a49d42c2 2113: ${TMPDIR:=/tmp}
e4e69e0b 2114
a210bce2 2115if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2116 # simple replacement for missing mktemp
2117 # NOT SAFE FOR GENERAL USE
2118 mktemp(){
09a5c245 2119 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2120 }
2121fi
2122
2123tmpfile(){
2124 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2125 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2126 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2127 append TMPFILES $tmp
2128 eval $1=$tmp
2129}
2130
2131trap 'rm -f -- $TMPFILES' EXIT
54460a83 2132
55127e7b 2133tmpfile TMPASM .asm
3e0b1c9a
DB
2134tmpfile TMPC .c
2135tmpfile TMPE $EXESUF
2136tmpfile TMPH .h
2137tmpfile TMPO .o
2138tmpfile TMPS .S
2139tmpfile TMPSH .sh
2140tmpfile TMPV .ver
54460a83
MR
2141
2142unset -f mktemp
e4e69e0b 2143
fb3c4ffc
MR
2144chmod +x $TMPE
2145
993f2d0f
MR
2146# make sure we can execute files in $TMPDIR
2147cat > $TMPSH 2>> $logfile <<EOF
2148#! /bin/sh
2149EOF
2150chmod +x $TMPSH >> $logfile 2>&1
2151if ! $TMPSH >> $logfile 2>&1; then
2152 cat <<EOF
2153Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2154variable to another directory and make sure that it is not mounted noexec.
2155EOF
2156 die "Sanity test failed."
2157fi
993f2d0f 2158
457cc333
MR
2159ccc_flags(){
2160 for flag; do
2161 case $flag in
2162 -std=c99) echo -c99 ;;
2163 -mcpu=*) echo -arch ${flag#*=} ;;
2164 -mieee) echo -ieee ;;
2165 -O*|-fast) echo $flag ;;
2166 -fno-math-errno) echo -assume nomath_errno ;;
2167 -g) echo -g3 ;;
2168 -Wall) echo -msg_enable level2 ;;
2169 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2170 -Wl,*) echo $flag ;;
2171 -f*|-W*) ;;
2172 *) echo $flag ;;
2173 esac
2174 done
2175}
2176
dfa559bc
RB
2177msvc_flags(){
2178 for flag; do
2179 case $flag in
2180 -fomit-frame-pointer) echo -Oy ;;
2181 -g) echo -Z7 ;;
2182 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2183 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4a185ed2 2184 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
d66c52c2 2185 -wd4996 -wd4273 ;;
dfa559bc
RB
2186 -std=c99) ;;
2187 -fno-math-errno) ;;
2188 -fno-common) ;;
2189 -fno-signed-zeros) ;;
2190 -lz) echo zlib.lib ;;
bd680c7b
DB
2191 -lavifil32) echo vfw32.lib ;;
2192 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2193 -l*) echo ${flag#-l}.lib ;;
2194 *) echo $flag ;;
2195 esac
2196 done
2197}
2198
d0c6d424
MR
2199pgi_flags(){
2200 for flag; do
2201 case $flag in
643933f5 2202 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2203 -fomit-frame-pointer) echo -Mnoframe ;;
2204 -g) echo -gopt ;;
2205 *) echo $flag ;;
2206 esac
2207 done
2208}
2209
2210suncc_flags(){
2211 for flag; do
2212 case $flag in
2213 -march=*|-mcpu=*)
2214 case "${flag#*=}" in
2215 native) echo -xtarget=native ;;
2216 v9|niagara) echo -xarch=sparc ;;
2217 ultrasparc) echo -xarch=sparcvis ;;
2218 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2219 i586|pentium) echo -xchip=pentium ;;
2220 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2221 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2222 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2223 pentium4*) echo -xtarget=pentium4 ;;
2224 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2225 *-sse3) echo -xarch=sse3 ;;
2226 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2227 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2228 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2229 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
d0c6d424
MR
2230 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2231 k8|opteron|athlon64|athlon-fx)
2232 echo -xarch=sse2a ;;
2233 athlon*) echo -xarch=pentium_proa ;;
2234 esac
2235 ;;
2236 -std=c99) echo -xc99 ;;
2237 -fomit-frame-pointer) echo -xregs=frameptr ;;
2238 -fPIC) echo -KPIC -xcode=pic32 ;;
2239 -W*,*) echo $flag ;;
2240 -f*-*|-W*) ;;
2241 *) echo $flag ;;
2242 esac
2243 done
2244}
2245
2246tms470_flags(){
2247 for flag; do
2248 case $flag in
2249 -march=*|-mcpu=*)
2250 case "${flag#*=}" in
2251 armv7-a|cortex-a*) echo -mv=7a8 ;;
2252 armv7-r|cortex-r*) echo -mv=7r4 ;;
2253 armv7-m|cortex-m*) echo -mv=7m3 ;;
2254 armv6*|arm11*) echo -mv=6 ;;
2255 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2256 echo -mv=5e ;;
2257 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2258 esac
2259 ;;
2260 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2261 -mfpu=vfp) echo --float_support=vfpv2 ;;
2262 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2263 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2264 -msoft-float) echo --float_support=vfplib ;;
2265 -O[0-3]|-mf=*) echo $flag ;;
2266 -g) echo -g -mn ;;
2267 -pds=*) echo $flag ;;
ad93dccb
MR
2268 -D*|-I*) echo $flag ;;
2269 --gcc|--abi=*) echo $flag ;;
2270 -me) echo $flag ;;
d0c6d424
MR
2271 esac
2272 done
2273}
2274
a758c5e2
MR
2275probe_cc(){
2276 pfx=$1
2277 _cc=$2
2278
8db73c61
MR
2279 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2280 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2281 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2282 _flags_filter=echo
2283
2284 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2285 _type=llvm_gcc
2286 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2287 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2288 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2289 _cflags_speed='-O3'
2290 _cflags_size='-Os'
2291 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2292 _type=gcc
2293 gcc_version=$($_cc --version | head -n1)
2294 gcc_basever=$($_cc -dumpversion)
2295 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2296 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2297 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2298 if ! $_cc -dumpversion | grep -q '^2\.'; then
2299 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2300 fi
2301 _cflags_speed='-O3'
2302 _cflags_size='-Os'
2303 elif $_cc --version 2>/dev/null | grep -q Intel; then
2304 _type=icc
2305 _ident=$($_cc --version | head -n1)
2306 _depflags='-MMD'
2307 _cflags_speed='-O3'
2308 _cflags_size='-Os'
2309 _cflags_noopt='-O1'
2310 elif $_cc -v 2>&1 | grep -q xlc; then
2311 _type=xlc
2312 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2313 _cflags_speed='-O5'
2314 _cflags_size='-O5 -qcompact'
2315 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2316 _type=ccc
2317 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2318 _DEPFLAGS='-M'
a758c5e2
MR
2319 _cflags_speed='-fast'
2320 _cflags_size='-O1'
457cc333 2321 _flags_filter=ccc_flags
a758c5e2
MR
2322 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2323 test -d "$sysroot" || die "No valid sysroot specified."
2324 _type=armcc
2325 _ident=$($_cc --vsn | head -n1)
2326 armcc_conf="$PWD/armcc.conf"
2327 $_cc --arm_linux_configure \
2328 --arm_linux_config_file="$armcc_conf" \
2329 --configure_sysroot="$sysroot" \
2330 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2331 die "Error creating armcc configuration file."
2332 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2333 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2334 as_default="${cross_prefix}gcc"
2335 _depflags='-MMD'
2336 _cflags_speed='-O3'
2337 _cflags_size='-Os'
0122118e 2338 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2339 _type=tms470
2340 _ident=$($_cc -version | head -n1 | tr -s ' ')
2341 _flags='--gcc --abi=eabi -me'
18031c49 2342 _cc_e='-ppl -fe=$@'
a758c5e2 2343 _cc_o='-fe=$@'
a758c5e2
MR
2344 _depflags='-ppa -ppd=$(@:.o=.d)'
2345 _cflags_speed='-O3 -mf=5'
2346 _cflags_size='-O3 -mf=2'
2347 _flags_filter=tms470_flags
2348 elif $_cc -v 2>&1 | grep -q clang; then
2349 _type=clang
2350 _ident=$($_cc --version | head -n1)
2351 _depflags='-MMD'
2352 _cflags_speed='-O3'
2353 _cflags_size='-Os'
2354 elif $_cc -V 2>&1 | grep -q Sun; then
2355 _type=suncc
2356 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2357 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2358 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2359 _ldflags='-std=c99'
2360 _cflags_speed='-O5'
2361 _cflags_size='-O5 -xspace'
2362 _flags_filter=suncc_flags
2363 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2364 _type=pathscale
2365 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2366 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2367 _cflags_speed='-O2'
2368 _cflags_size='-Os'
2369 _flags_filter='filter_out -Wdisabled-optimization'
2370 elif $_cc -v 2>&1 | grep -q Open64; then
2371 _type=open64
2372 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2373 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2374 _cflags_speed='-O2'
2375 _cflags_size='-Os'
2376 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2377 elif $_cc -V 2>&1 | grep -q Portland; then
2378 _type=pgi
2379 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2380 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2381 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2382 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2383 _cflags_noopt="-O1"
2384 _flags_filter=pgi_flags
dfa559bc
RB
2385 elif $_cc 2>&1 | grep -q Microsoft; then
2386 _type=msvc
2387 _ident=$($cc 2>&1 | head -n1)
2388 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2389 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2390 _cflags_speed="-O2"
2391 _cflags_size="-O1"
2392 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2393 if $_cc 2>&1 | grep -q Linker; then
2394 _ld_o='-out $@'
2395 else
2396 _ld_o='-Fe$@'
2397 fi
2398 _cc_o='-Fo $@'
a224b2cb 2399 _cc_e='-P -Fi $@'
dfa559bc
RB
2400 _flags_filter=msvc_flags
2401 _ld_lib='lib%.a'
2402 _ld_path='-libpath:'
2403 _flags='-nologo'
2404 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2405 if [ $pfx = hostcc ]; then
6a0200f2 2406 append _cflags -Dsnprintf=_snprintf
dfa559bc 2407 fi
aef6bd1b 2408 fi
a758c5e2
MR
2409
2410 eval ${pfx}_type=\$_type
2411 eval ${pfx}_ident=\$_ident
2412}
2413
2414set_ccvars(){
23565c26 2415 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2416 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2417 eval ${1}_O=\${_cc_o-\${${1}_O}}
2418
2419 if [ -n "$_depflags" ]; then
2420 eval ${1}_DEPFLAGS=\$_depflags
2421 else
2422 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2423 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2424 eval DEP${1}FLAGS=\$_flags
2425 fi
2426}
2427
2428probe_cc cc "$cc"
2429cflags_filter=$_flags_filter
2430cflags_speed=$_cflags_speed
2431cflags_size=$_cflags_size
2432cflags_noopt=$_cflags_noopt
2433add_cflags $_flags $_cflags
2434cc_ldflags=$_ldflags
2435set_ccvars CC
2436
2437probe_cc hostcc "$host_cc"
2438host_cflags_filter=$_flags_filter
a758c5e2 2439add_host_cflags $_flags $_cflags
a758c5e2 2440set_ccvars HOSTCC
629687f6 2441
851ffa80
MR
2442test -n "$cc_type" && enable $cc_type ||
2443 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2444
75bafbac 2445: ${as_default:=$cc}
50567afa 2446: ${dep_cc_default:=$cc}
684b28e0 2447: ${ld_default:=$cc}
095792f2
MR
2448: ${host_ld_default:=$host_cc}
2449set_default ar as dep_cc ld host_ld
75800dce 2450
a758c5e2
MR
2451probe_cc as "$as"
2452asflags_filter=$_flags_filter
2453add_asflags $_flags $_cflags
2454set_ccvars AS
2455
2456probe_cc ld "$ld"
2457ldflags_filter=$_flags_filter
2458add_ldflags $_flags $_ldflags
2459test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2460LD_O=${_ld_o-$LD_O}
8db73c61
MR
2461LD_LIB=${_ld_lib-$LD_LIB}
2462LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2463
095792f2
MR
2464probe_cc hostld "$host_ld"
2465host_ldflags_filter=$_flags_filter
2466add_host_ldflags $_flags $_ldflags
2467HOSTLD_O=${_ld_o-$HOSTLD_O}
2468
a758c5e2
MR
2469if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2470 probe_cc depcc "$dep_cc"
2471 CCDEP=${_DEPCMD:-$DEPCMD}
2472 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2473 DEPCCFLAGS=$_flags
2474fi
07dec06e 2475
3dbc777c
MR
2476if $ar 2>&1 | grep -q Microsoft; then
2477 arflags="-nologo"
2478 ar_o='-out:$@'
2479elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2480 arflags="rq"
2481 ar_o='$@'
2482else
2483 arflags="rc"
2484 ar_o='$@'
2485fi
2486
7f32f40c 2487add_cflags $extra_cflags
2f2e6c7c 2488add_asflags $extra_cflags
7f32f40c 2489
154d432c
MR
2490if test -n "$sysroot"; then
2491 case "$cc_type" in
00ba041c 2492 gcc|llvm_gcc|clang)
467256f2 2493 add_cppflags --sysroot="$sysroot"
154d432c
MR
2494 add_ldflags --sysroot="$sysroot"
2495 ;;
6fec122a
MR
2496 tms470)
2497 add_cppflags -I"$sysinclude"
2498 add_ldflags --sysroot="$sysroot"
2499 ;;
154d432c
MR
2500 esac
2501fi
2502
d22c13a8
MR
2503if test "$cpu" = host; then
2504 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2505
2506 case "$cc_type" in
613a4e3f 2507 gcc|llvm_gcc)
d22c13a8
MR
2508 check_native(){
2509 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2510 sed -n "/cc1.*$1=/{
27ce1be8
MR
2511 s/.*$1=\\([^ ]*\\).*/\\1/
2512 p
2513 q
2514 }" $TMPE
d22c13a8
MR
2515 }
2516 cpu=$(check_native -march || check_native -mcpu)
2517 ;;
2518 esac
2519
2520 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2521fi
2522
e939cedd
MR
2523# Deal with common $arch aliases
2524case "$arch" in
5873b623
MR
2525 aarch64|arm64)
2526 arch="aarch64"
2527 ;;
e939cedd
MR
2528 arm*)
2529 arch="arm"
2530 ;;
2acda282 2531 mips*|IP*)
e939cedd
MR
2532 arch="mips"
2533 ;;
a6e9d649 2534 parisc*|hppa*)
e939cedd
MR
2535 arch="parisc"
2536 ;;
56203596 2537 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2538 arch="ppc"
2539 ;;
e939cedd
MR
2540 s390|s390x)
2541 arch="s390"
2542 ;;
2543 sh4|sh)
2544 arch="sh4"
2545 ;;
4cd217c0 2546 sun4u|sparc*)
e939cedd 2547 arch="sparc"
e939cedd 2548 ;;
c75848cd
DB
2549 tilegx|tile-gx)
2550 arch="tilegx"
2551 ;;
d33ed7b3 2552 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2553 arch="x86"
2554 ;;
2555esac
2556
851ffa80 2557is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2558enable $arch
e939cedd 2559
df5cdc24 2560# Add processor-specific flags
9ebd45c2 2561if enabled aarch64; then
33db40f8
MR
2562
2563 case $cpu in
2564 armv*)
2565 cpuflags="-march=$cpu"
2566 ;;
2567 *)
2568 cpuflags="-mcpu=$cpu"
2569 ;;
2570 esac
2571
2572elif enabled alpha; then
2573
2574 cpuflags="-mcpu=$cpu"
2575
2576elif enabled arm; then
2577
1234c66a
MR
2578 check_arm_arch() {
2579 check_cpp_condition stddef.h \
2580 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2581 $cpuflags
2582 }
2583
2584 probe_arm_arch() {
2585 if check_arm_arch 4; then echo armv4;
2586 elif check_arm_arch 4T; then echo armv4t;
2587 elif check_arm_arch 5; then echo armv5;
2588 elif check_arm_arch 5E; then echo armv5e;
2589 elif check_arm_arch 5T; then echo armv5t;
2590 elif check_arm_arch 5TE; then echo armv5te;
2591 elif check_arm_arch 5TEJ; then echo armv5te;
2592 elif check_arm_arch 6; then echo armv6;
2593 elif check_arm_arch 6J; then echo armv6j;
2594 elif check_arm_arch 6K; then echo armv6k;
2595 elif check_arm_arch 6Z; then echo armv6z;
2596 elif check_arm_arch 6ZK; then echo armv6zk;
2597 elif check_arm_arch 6T2; then echo armv6t2;
2598 elif check_arm_arch 7; then echo armv7;
2599 elif check_arm_arch 7A 7_A; then echo armv7-a;
2600 elif check_arm_arch 7R 7_R; then echo armv7-r;
2601 elif check_arm_arch 7M 7_M; then echo armv7-m;
2602 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2603 elif check_arm_arch 8A 8_A; then echo armv8-a;
2604 fi
2605 }
2606
2607 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2608
33db40f8
MR
2609 case $cpu in
2610 armv*)
2611 cpuflags="-march=$cpu"
2612 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2613 ;;
2614 *)
2615 cpuflags="-mcpu=$cpu"
2616 case $cpu in
2617 cortex-a*) subarch=armv7a ;;
2618 cortex-r*) subarch=armv7r ;;
2619 cortex-m*) enable thumb; subarch=armv7m ;;
2620 arm11*) subarch=armv6 ;;
2621 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2622 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 2623 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
2624 esac
2625 ;;
2626 esac
2627
f0fe245b
MR
2628 case "$subarch" in
2629 armv5t*) enable fast_clz ;;
2630 armv[6-8]*) enable fast_clz fast_unaligned ;;
2631 esac
2632
33db40f8
MR
2633elif enabled avr32; then
2634
2635 case $cpu in
2636 ap7[02]0[0-2])
2637 subarch="avr32_ap"
2638 cpuflags="-mpart=$cpu"
2639 ;;
2640 ap)
2641 subarch="avr32_ap"
2642 cpuflags="-march=$cpu"
2643 ;;
2644 uc3[ab]*)
2645 subarch="avr32_uc"
2646 cpuflags="-mcpu=$cpu"
2647 ;;
2648 uc)
2649 subarch="avr32_uc"
2650 cpuflags="-march=$cpu"
2651 ;;
2652 esac
2653
2654elif enabled bfin; then
2655
2656 cpuflags="-mcpu=$cpu"
2657
2658elif enabled mips; then
2659
2660 cpuflags="-march=$cpu"
2661
5d54c126 2662elif enabled ppc; then
343aef9b 2663
56348891
MR
2664 case $(tolower $cpu) in
2665 601|ppc601|powerpc601)
9dbd5c3d 2666 cpuflags="-mcpu=601"
64ad53ff 2667 disable altivec
9dbd5c3d 2668 ;;
56348891 2669 603*|ppc603*|powerpc603*)
9dbd5c3d 2670 cpuflags="-mcpu=603"
64ad53ff 2671 disable altivec
9dbd5c3d 2672 ;;
56348891 2673 604*|ppc604*|powerpc604*)
9dbd5c3d 2674 cpuflags="-mcpu=604"
64ad53ff 2675 disable altivec
9dbd5c3d 2676 ;;
56348891 2677 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 2678 cpuflags="-mcpu=750"
64ad53ff 2679 disable altivec
9dbd5c3d 2680 ;;
56348891 2681 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 2682 cpuflags="-mcpu=7450"
9dbd5c3d 2683 ;;
56348891 2684 74*|ppc74*|powerpc74*)
7f1fcaf0 2685 cpuflags="-mcpu=7400"
9dbd5c3d 2686 ;;
313f9fbf 2687 g5|970|ppc970|powerpc970)
7f1fcaf0 2688 cpuflags="-mcpu=970"
9dbd5c3d 2689 ;;
313f9fbf 2690 power[3-7]*)
7f1fcaf0 2691 cpuflags="-mcpu=$cpu"
313f9fbf 2692 ;;
56348891 2693 cell)
9dbd5c3d
MR
2694 cpuflags="-mcpu=cell"
2695 enable ldbrx
2696 ;;
4ab26cb4
DB
2697 e500mc)
2698 cpuflags="-mcpu=e500mc"
2699 disable altivec
2700 ;;
7b0b81a1
AL
2701 e500v2)
2702 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2703 disable altivec
2704 ;;
2705 e500)
2706 cpuflags="-mcpu=8540 -mhard-float"
2707 disable altivec
2708 ;;
9dbd5c3d 2709 esac
343aef9b 2710
33db40f8
MR
2711elif enabled sparc; then
2712
2713 case $cpu in
2714 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2715 cpuflags="-mcpu=$cpu"
2716 disable vis
2717 ;;
2718 ultrasparc*|niagara[234])
2719 cpuflags="-mcpu=$cpu"
2720 ;;
2721 esac
2722
343aef9b
MR
2723elif enabled x86; then
2724
9dbd5c3d
MR
2725 case $cpu in
2726 i[345]86|pentium)
2727 cpuflags="-march=$cpu"
2728 disable mmx
2729 ;;
2730 # targets that do NOT support conditional mov (cmov)
2731 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2732 cpuflags="-march=$cpu"
2733 disable cmov
2734 ;;
2735 # targets that do support conditional mov (cmov)
f2ce813e 2736 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d
MR
2737 cpuflags="-march=$cpu"
2738 enable cmov
2739 enable fast_cmov
2740 ;;
2741 # targets that do support conditional mov but on which it's slow
2742 pentium4|pentium4m|prescott|nocona)
2743 cpuflags="-march=$cpu"
2744 enable cmov
2745 disable fast_cmov
2746 ;;
2747 esac
343aef9b 2748
343aef9b
MR
2749fi
2750
9ebd45c2
MR
2751if [ "$cpu" != generic ]; then
2752 add_cflags $cpuflags
2753 add_asflags $cpuflags
2754fi
df5cdc24 2755
993f2d0f
MR
2756# compiler sanity check
2757check_exec <<EOF
2758int main(void){ return 0; }
2759EOF
2760if test "$?" != 0; then
2761 echo "$cc is unable to create an executable file."
2762 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2763 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2764 echo "Only do this if you know what cross compiling means."
2765 fi
2766 die "C compiler test failed."
2767fi
2768
046f081b 2769add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2770check_cflags -std=c99
50a334e4 2771check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2772#include <stdlib.h>
2773EOF
50a334e4 2774check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2775#include <stdlib.h>
2776EOF
e9b9a2f8 2777
f0125de9 2778check_host_cflags -std=c99
0a6db2a2 2779check_host_cflags -Wall
f0125de9 2780
d4c99513
MR
2781check_64bit(){
2782 arch32=$1
2783 arch64=$2
2784 expr=$3
2785 check_code cc "" "int test[2*($expr) - 1]" &&
2786 subarch=$arch64 || subarch=$arch32
2787}
2788
b24dbcbd 2789case "$arch" in
4cd217c0 2790 alpha|ia64)
2acda282
MR
2791 spic=$shared
2792 ;;
2793 mips)
2794 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 2795 spic=$shared
b24dbcbd 2796 ;;
a6e9d649
MR
2797 parisc)
2798 check_64bit parisc parisc64 'sizeof(void *) > 4'
2799 spic=$shared
2800 ;;
56203596
MR
2801 ppc)
2802 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 2803 spic=$shared
56203596 2804 ;;
4cd217c0
MR
2805 sparc)
2806 check_64bit sparc sparc64 'sizeof(void *) > 4'
2807 spic=$shared
2808 ;;
e939cedd 2809 x86)
d4c99513 2810 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 2811 if test "$subarch" = "x86_64"; then
e939cedd 2812 spic=$shared
de27f4d9 2813 fi
b24dbcbd 2814 ;;
b24dbcbd
RP
2815esac
2816
343aef9b 2817enable $subarch
8a3c8627 2818enabled spic && enable pic
b24dbcbd 2819
7483e694 2820# OS specific
4f854758 2821case $target_os in
a1629e28 2822 haiku)
63ae7e7c 2823 prefix_default="/boot/common"
108caaaa 2824 network_extralibs="-lnetwork"
f59c4bd6 2825 host_libs=
a1629e28 2826 ;;
7483e694 2827 sunos)
4d58e4cb 2828 AVSERVERLDFLAGS=""
9987769a 2829 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2830 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2831 network_extralibs="-lsocket -lnsl"
779222db 2832 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2833 # When using suncc to build, the Solaris linker will mark
2834 # an executable with each instruction set encountered by
2835 # the Solaris assembler. As our libraries contain their own
2836 # guards for processor-specific code, instead suppress
2837 # generation of the HWCAPS ELF section on Solaris x86 only.
2838 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2a8a860a 2839 nm_default='nm -P -g'
7483e694
DB
2840 ;;
2841 netbsd)
a1e4b3f6 2842 disable symver
07a8eef6
MR
2843 oss_indev_extralibs="-lossaudio"
2844 oss_outdev_extralibs="-lossaudio"
7483e694 2845 ;;
d488c3bc 2846 openbsd|bitrig)
7c4a001a 2847 # On OpenBSD 4.5. the compiler does not use PIC unless
070c5d0f 2848 # explicitly using -fPIC. Libav builds fine without PIC,
7c4a001a
MR
2849 # however the generated executable will not do anything
2850 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2851 # Thus explicitly enable PIC here.
cd78208b 2852 enable pic
a1e4b3f6 2853 disable symver
7483e694 2854 SHFLAGS='-shared'
d5683aba
BS
2855 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2856 SLIB_INSTALL_LINKS=
07a8eef6
MR
2857 oss_indev_extralibs="-lossaudio"
2858 oss_outdev_extralibs="-lossaudio"
7483e694 2859 ;;
a1e4b3f6 2860 dragonfly)
a1e4b3f6
MR
2861 disable symver
2862 ;;
2863 freebsd)
7483e694
DB
2864 ;;
2865 bsd/os)
355d81df 2866 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2867 ;;
2868 darwin)
301ab19d 2869 gas="gas-preprocessor.pl $cc"
e08b8239 2870 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2871 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2872 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2873 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2874 SLIBSUF=".dylib"
2875 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2876 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2877 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2878 objformat="macho"
1b0f6fb8 2879 enabled x86_64 && objformat="macho64"
8dfa86f7 2880 enabled_any pic shared ||
2704bd1a 2881 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2882 ;;
2883 mingw32*)
9d3f4f50 2884 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2885 disable network
2886 else
2887 target_os=mingw32
2888 fi
dcc01c06 2889 LIBTARGET=i386
1fc9fb8a 2890 if enabled x86_64; then
417516f6 2891 LIBTARGET="i386:x86-64"
336cc1b0 2892 elif enabled arm; then
15c5156d 2893 LIBTARGET=arm-wince
dcc01c06 2894 fi
fbd971a4 2895 shlibdir_default="$bindir_default"
7483e694
DB
2896 SLIBPREF=""
2897 SLIBSUF=".dll"
7483e694
DB
2898 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2899 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
eb7018d2 2900 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2f138f0b
MR
2901 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2902 SLIB_INSTALL_LINKS=
2903 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2904 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
eb7018d2 2905 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2906 objformat="win32"
ec10a9ab 2907 dlltool="${cross_prefix}dlltool"
a3222470 2908 ranlib=:
bc574408 2909 enable dos_paths
5666a9f2 2910 add_cppflags -U__STRICT_ANSI__
7483e694 2911 ;;
53e8cd68 2912 win32|win64)
d66c52c2
MS
2913 if enabled shared; then
2914 # Link to the import library instead of the normal static library
2915 # for shared libs.
2916 LD_LIB='%.lib'
2917 # Cannot build shared and static libraries at the same time with
2918 # MSVC.
2919 disable static
2920 fi
2921 shlibdir_default="$bindir_default"
2922 SLIBPREF=""
2923 SLIBSUF=".dll"
2924 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2925 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2926 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
2927 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2928 SLIB_INSTALL_LINKS=
2929 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2930 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2931 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
53e8cd68
MS
2932 objformat="win32"
2933 ranlib=:
2934 enable dos_paths
2935 ;;
7483e694 2936 cygwin*)
4f854758 2937 target_os=cygwin
fbd971a4 2938 shlibdir_default="$bindir_default"
7483e694
DB
2939 SLIBPREF="cyg"
2940 SLIBSUF=".dll"
2941 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2942 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
2943 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2944 SLIB_INSTALL_LINKS=
2945 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2946 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 2947 objformat="win32"
bc574408 2948 enable dos_paths
7483e694 2949 ;;
4f365f37 2950 *-dos|freedos|opendos)
4f365f37 2951 network_extralibs="-lsocket"
ff1c015d 2952 objformat="coff"
bc574408 2953 enable dos_paths
a7a187a1 2954 add_cppflags -U__STRICT_ANSI__
4f365f37 2955 ;;
7483e694 2956 linux)
7483e694
DB
2957 enable dv1394
2958 ;;
2959 irix*)
4f854758 2960 target_os=irix
7483e694
DB
2961 ranlib="echo ignoring ranlib"
2962 ;;
d22e8442 2963 os/2*)
d22e8442 2964 ln_s="cp -f"
9297f1ed 2965 objformat="aout"
e14574eb 2966 add_cppflags -D_GNU_SOURCE
355d81df 2967 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2968 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 2969 AVSERVERLDFLAGS=""
287d3b13 2970 LIBSUF="_s.a"
d22e8442
DY
2971 SLIBPREF=""
2972 SLIBSUF=".dll"
2973 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2974 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62 2975 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
f69f51b3
DB
2976 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2977 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2978 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2979 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2980 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
71c61f62 2981 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
f69f51b3 2982 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 2983 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 2984 enable dos_paths
d22e8442 2985 ;;
83993c1c 2986 gnu/kfreebsd)
3bd1eacd 2987 add_cppflags -D_BSD_SOURCE
83993c1c 2988 ;;
34e82167 2989 gnu)
34e82167 2990 ;;
d33ed7b3
MR
2991 qnx)
2992 add_cppflags -D_QNX_SOURCE
2993 network_extralibs="-lsocket"
2994 ;;
1c69c79f
MS
2995 symbian)
2996 SLIBSUF=".dll"
2997 enable dos_paths
e3bc07f4
MS
2998 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2999 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3000 add_ldflags -Wl,--target1-abs,--no-undefined \
3001 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3002 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3003 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3004 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3005 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 3006 ;;
fdd66609
MR
3007 osf1)
3008 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3009 AVSERVERLDFLAGS=
3010 ;;
741a8b72
MR
3011 minix)
3012 ;;
4ebc6a74
MR
3013 plan9)
3014 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3015 -D_REENTRANT_SOURCE \
3016 -D_RESEARCH_SOURCE \
3017 -DFD_SETSIZE=96 \
3018 -DHAVE_SOCK_OPTS
3019 add_compat strtod.o strtod=avpriv_strtod
3020 network_extralibs='-lbsd'
3021 exeobjs=compat/plan9/main.o
3022 disable avserver
3023 ln_s='ln -s -f'
3024 cp_f='cp'
3025 ;;
614d8911
MR
3026 none)
3027 ;;
7483e694 3028 *)
4f924f9a 3029 die "Unknown OS '$target_os'."
7483e694
DB
3030 ;;
3031esac
3032
b797f3c4
MR
3033# determine libc flavour
3034
3035if check_cpp_condition features.h "defined __UCLIBC__"; then
3036 libc_type=uclibc
3bd1eacd 3037 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3038elif check_cpp_condition features.h "defined __GLIBC__"; then
3039 libc_type=glibc
3bd1eacd 3040 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3041elif check_header _mingw.h; then
3042 libc_type=mingw
3043 check_cpp_condition _mingw.h \
3044 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3045 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3046 die "ERROR: MinGW runtime version must be >= 3.15."
3047elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3048 libc_type=newlib
8f7b814f 3049 add_cppflags -U__STRICT_ANSI__
4fa661a8
RB
3050elif check_func_headers stdlib.h _get_doserrno; then
3051 libc_type=msvcrt
84e65c76
MR
3052 add_compat strtod.o strtod=avpriv_strtod
3053 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3054 _snprintf=avpriv_snprintf \
3055 vsnprintf=avpriv_vsnprintf
b797f3c4
MR
3056elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3057 libc_type=klibc
3058fi
3059
3060test -n "$libc_type" && enable $libc_type
3061
5ab432fa
MR
3062# hacks for compiler/libc/os combinations
3063
3064if enabled_all tms470 glibc; then
b6f8d635 3065 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5ab432fa
MR
3066 add_cppflags -D__USER_LABEL_PREFIX__=
3067 add_cppflags -D__builtin_memset=memset
3068 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3069 add_cflags -pds=48 # incompatible redefinition of macro
3070fi
3071
457cc333
MR
3072if enabled_all ccc glibc; then
3073 add_ldflags -Wl,-z,now # calls to libots crash without this
3074fi
3075
6555acad
MR
3076esc(){
3077 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3078}
3079
3080echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 3081
13cb2187
AS
3082check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3083
c9d19248 3084set_default $PATHS_LIST
2a8a860a 3085set_default nm
c9d19248 3086
320d060a 3087# we need to build at least one lib type
93b3c083 3088if ! enabled_any static shared; then
320d060a
DB
3089 cat <<EOF
3090At least one library type must be built.
3091Specify --enable-static to build the static libraries or --enable-shared to
3092build the shared libraries as well. To only build the shared libraries specify
3093--disable-static in addition to --enable-shared.
3094EOF
3095 exit 1;
3096fi
3097
2184c6f7 3098die_license_disabled() {
4c27207c 3099 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
3100}
3101
e417d80d 3102die_license_disabled gpl libcdio
2184c6f7 3103die_license_disabled gpl libx264
de295976 3104die_license_disabled gpl libxavs
2184c6f7 3105die_license_disabled gpl libxvid
2184c6f7
DB
3106die_license_disabled gpl x11grab
3107
2f7ae63b 3108die_license_disabled nonfree libfaac
87246953 3109die_license_disabled nonfree libfdk_aac
a060866f 3110die_license_disabled nonfree openssl
b2e3c528 3111
0b175caa
DB
3112die_license_disabled version3 libopencore_amrnb
3113die_license_disabled version3 libopencore_amrwb
d89e738a 3114die_license_disabled version3 libvo_aacenc
f502ff3f 3115die_license_disabled version3 libvo_amrwbenc
0b175caa 3116
9cad0e4e 3117enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 3118
40617a6d 3119disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 3120
e276d9e8
MR
3121enable_pic() {
3122 enable pic
bce7b696
MR
3123 add_cppflags -DPIC
3124 add_cflags -fPIC
3125 add_asflags -fPIC
e276d9e8
MR
3126}
3127
3128enabled pic && enable_pic
bce7b696 3129
b4d96ba2
MR
3130check_cc <<EOF || die "Symbol mangling check failed."
3131int ff_extern;
3132EOF
2a8a860a 3133sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
3134extern_prefix=${sym%%ff_extern*}
3135
afb5ed55 3136check_cc <<EOF && enable_weak inline_asm
f65883c8
MR
3137void foo(void) { __asm__ volatile ("" ::); }
3138EOF
61d251db 3139
df5e3978
MR
3140_restrict=
3141for restrict_keyword in restrict __restrict__ __restrict; do
3142 check_cc <<EOF && _restrict=$restrict_keyword && break
3143void foo(char * $restrict_keyword p);
3144EOF
3145done
3146
3147check_cc <<EOF && enable attribute_packed
3148struct { int x; } __attribute__((packed)) x;
3149EOF
3150
dffb41b9
MR
3151check_cc <<EOF && enable attribute_may_alias
3152union { int x; } __attribute__((may_alias)) x;
3153EOF
3154
df5e3978
MR
3155check_cc <<EOF || die "endian test failed"
3156unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3157EOF
48fc536a 3158od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 3159
e939cedd
MR
3160if enabled alpha; then
3161
3162 check_cflags -mieee
3163
3164elif enabled arm; then
e45391bb 3165
66371c28 3166 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
8986fddc 3167 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 3168 nogas=die
50fa82e6 3169
44caaa56
MR
3170 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3171 enable vfp_args
3172 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3173 case "${cross_prefix:-$cc}" in
3174 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3175 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
3176__asm__ (".eabi_attribute 28, 1");
3177int main(void) { return 0; }
3178EOF
44caaa56
MR
3179 esac
3180 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3181 fi
fa0912fe 3182
7f2b3dca
MR
3183 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3184 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3185 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
7f2b3dca 3186 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
b3267559 3187 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
7f2b3dca
MR
3188 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3189
b57c1da8
MR
3190 [ $target_os = linux ] ||
3191 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3192 $ARCH_EXT_LIST_ARM
e45391bb 3193
575db883
DB
3194 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3195 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
6308729e 3196
e276d9e8
MR
3197 enabled_all armv6t2 shared !pic && enable_pic
3198
fa0912fe 3199elif enabled mips; then
e45391bb 3200
575db883 3201 check_inline_asm loongson '"dmult.g $1, $2, $3"'
e45391bb 3202
5af530f5
MR
3203elif enabled parisc; then
3204
3205 if enabled gcc; then
3206 case $($cc -dumpversion) in
3207 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3208 esac
3209 fi
3210
fa0912fe 3211elif enabled ppc; then
e45391bb 3212
e6a0c354
MR
3213 enable local_aligned_8 local_aligned_16
3214
575db883
DB
3215 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3216 check_inline_asm ibm_asm '"add 0, 0, 0"'
3217 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3218 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
3219
3220 # AltiVec flags: The FSF version of GCC differs from the Apple version
3221 if enabled altivec; then
301ab19d 3222 nogas=warn
fa0912fe
MR
3223 check_cflags -maltivec -mabi=altivec &&
3224 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3225 check_cflags -faltivec
3226
3227 # check if our compiler supports Motorola AltiVec C API
3228 check_cc <<EOF || disable altivec
3229$inc_altivec_h
3230int main(void) {
20bcce50
MR
3231 vector signed int v1 = (vector signed int) { 0 };
3232 vector signed int v2 = (vector signed int) { 1 };
3233 v1 = vec_add(v1, v2);
fa0912fe
MR
3234 return 0;
3235}
3236EOF
3237
20bcce50 3238 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
fa0912fe 3239 fi
e45391bb 3240
fa0912fe 3241elif enabled sparc; then
e45391bb 3242
6aa93689 3243 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
e45391bb 3244
fa0912fe 3245elif enabled x86; then
e45391bb 3246
8e85ba8d
DB
3247 check_code ld intrin.h "__rdtsc()" && enable rdtsc
3248
f80ddd5b
RB
3249 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
3250
e6a0c354
MR
3251 enable local_aligned_8 local_aligned_16
3252
44965991
PI
3253 # check whether EBP is available on x86
3254 # As 'i' is stored on the stack, this program will crash
3255 # if the base pointer is used to access it because the
3256 # base pointer is cleared in the inline assembly code.
7dfef245 3257 check_exec_crash <<EOF && enable ebp_available
f69f51b3
DB
3258volatile int i=0;
3259__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3260return i;
44965991
PI
3261EOF
3262
f494213c 3263 # check whether EBX is available on x86
575db883
DB
3264 check_inline_asm ebx_available '""::"b"(0)' &&
3265 check_inline_asm ebx_available '"":::"%ebx"'
8e380710 3266
6f74fb03 3267 # check whether xmm clobbers are supported
575db883 3268 check_inline_asm xmm_clobbers '"":::"%xmm0"'
6f74fb03 3269
239fdf1b 3270 # check whether binutils is new enough to compile SSSE3/MMXEXT
43b73d59
DB
3271 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3272 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
6bd859d6 3273
9cca1e40 3274 if ! disabled_any asm mmx yasm; then
b6c06894
MR
3275 if check_cmd $yasmexe --version; then
3276 enabled x86_64 && yasm_extra="-m amd64"
3277 yasm_debug="-g dwarf2"
3278 elif check_cmd nasm -v; then
3279 yasmexe=nasm
3280 yasm_debug="-g -F dwarf"
3281 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3282 fi
3283
3284 YASMFLAGS="-f $objformat $yasm_extra"
3285 enabled pic && append YASMFLAGS "-DPIC"
3286 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3287 case "$objformat" in
3288 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3289 esac
3290
b8e8a07c 3291 check_yasm "vextractf128 xmm0, ymm0, 0" && enable yasm ||
25432e85 3292 die "yasm not found, use --disable-yasm for a crippled build"
43b73d59 3293 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
180d43bc 3294 check_yasm "CPU amdnop" && enable cpunop
31a0dcb2 3295 fi
e45391bb 3296
669b5583
MR
3297 case "$cpu" in
3298 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3299 disable fast_clz
3300 ;;
3301 esac
3302
44965991
PI
3303fi
3304
301ab19d
MR
3305if enabled asm; then
3306 as=${gas:=$as}
7fd90119 3307 check_as <<EOF && enable gnu_as || \
301ab19d 3308 $nogas "GNU assembler not found, install gas-preprocessor"
7fd90119
MR
3309.macro m n
3310\n: .int 0
3311.endm
3312m x
3313EOF
301ab19d
MR
3314fi
3315
4a7e068b
MR
3316check_ldflags -Wl,--as-needed
3317
a98bb16d
RP
3318if check_func dlopen; then
3319 ldl=
3320elif check_func dlopen -ldl; then
3321 ldl=-ldl
8bf5d58f
MN
3322fi
3323
998c1ee1 3324if ! disabled network; then
54fe299b
DV
3325 check_type "sys/types.h sys/socket.h" socklen_t
3326 check_type netdb.h "struct addrinfo"
75d339e0
MS
3327 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3328 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE