build: Add proper infrastructure for adding and checking host CPPFLAGS
[libav.git] / configure
<
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
070c5d0f 47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
505dfb09 48 echo "Instead, install a working POSIX-compatible shell."
070c5d0f 49 echo "Disabling this configure test will create a broken Libav."
c21d6325
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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54 exit 1
55fi
56
a77f01c7
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57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
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61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
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66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
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80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
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84 --libdir=DIR install libs in DIR [PREFIX/lib]
85 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
86 --incdir=DIR install includes in DIR [PREFIX/include]
87 --mandir=DIR install man page in DIR [PREFIX/share/man]
88
3b327a4b 89Licensing options:
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90 --enable-gpl allow use of GPL code, the resulting libs
91 and binaries will be under GPL [no]
92 --enable-version3 upgrade (L)GPL to version 3 [no]
93 --enable-nonfree allow use of nonfree code, the resulting libs
94 and binaries will be unredistributable [no]
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95
96Configuration options:
97 --disable-static do not build static libraries [no]
98 --enable-shared build shared libraries [no]
99 --enable-small optimize for size instead of speed
100 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
844c6852 103 --disable-all disable building components, libraries and programs
3b327a4b 104
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105Program options:
106 --disable-programs do not build command line programs
6291d7e4 107 --disable-avconv disable avconv build
266463da 108 --disable-avplay disable avplay build
9e12f0bf 109 --disable-avprobe disable avprobe build
4d58e4cb 110 --disable-avserver disable avserver build
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111
112Component options:
113 --disable-doc do not build documentation
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114 --disable-avdevice disable libavdevice build
115 --disable-avcodec disable libavcodec build
116 --disable-avformat disable libavformat build
d89f2fa9 117 --disable-avutil disable libavutil build
5a0f7131 118 --disable-swscale disable libswscale build
cccc039f 119 --disable-avfilter disable video filter support [no]
c8af852b 120 --disable-avresample disable libavresample build [no]
0dbfc1db 121 --disable-pthreads disable pthreads [auto]
7b7b220c 122 --disable-w32threads disable Win32 threads [auto]
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123 --enable-x11grab enable X11 grabbing [no]
124 --disable-network disable network support [no]
7f3f5f46 125 --disable-dct disable DCT code
193cdd9a 126 --disable-lsp disable LSP code
2a91ada8 127 --disable-lzo disable LZO decoder code
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128 --disable-mdct disable MDCT code
129 --disable-rdft disable RDFT code
3b327a4b 130 --disable-fft disable FFT code
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131
132Hardware accelerators:
3b327a4b 133 --enable-dxva2 enable DXVA2 code
dcb73592 134 --enable-vaapi enable VAAPI code
ac3dbb4d 135 --enable-vda enable VDA code
e8f6bd4b 136 --enable-vdpau enable VDPAU code
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137
138Individual component options:
bb55e3a3 139 --disable-everything disable all components listed below
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140 --disable-encoder=NAME disable encoder NAME
141 --enable-encoder=NAME enable encoder NAME
142 --disable-encoders disable all encoders
143 --disable-decoder=NAME disable decoder NAME
144 --enable-decoder=NAME enable decoder NAME
145 --disable-decoders disable all decoders
146 --disable-hwaccel=NAME disable hwaccel NAME
147 --enable-hwaccel=NAME enable hwaccel NAME
148 --disable-hwaccels disable all hwaccels
149 --disable-muxer=NAME disable muxer NAME
150 --enable-muxer=NAME enable muxer NAME
151 --disable-muxers disable all muxers
152 --disable-demuxer=NAME disable demuxer NAME
153 --enable-demuxer=NAME enable demuxer NAME
154 --disable-demuxers disable all demuxers
155 --enable-parser=NAME enable parser NAME
156 --disable-parser=NAME disable parser NAME
157 --disable-parsers disable all parsers
158 --enable-bsf=NAME enable bitstream filter NAME
159 --disable-bsf=NAME disable bitstream filter NAME
160 --disable-bsfs disable all bitstream filters
161 --enable-protocol=NAME enable protocol NAME
162 --disable-protocol=NAME disable protocol NAME
163 --disable-protocols disable all protocols
3b327a4b 164 --enable-indev=NAME enable input device NAME
06454877 165 --disable-indev=NAME disable input device NAME
06454877 166 --disable-indevs disable input devices
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167 --enable-outdev=NAME enable output device NAME
168 --disable-outdev=NAME disable output device NAME
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169 --disable-outdevs disable output devices
170 --disable-devices disable all devices
171 --enable-filter=NAME enable filter NAME
172 --disable-filter=NAME disable filter NAME
173 --disable-filters disable all filters
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174
175External library support:
176 --enable-avisynth enable reading of AVISynth script files [no]
177 --enable-bzlib enable bzlib [autodetect]
47941088 178 --enable-frei0r enable frei0r video filtering
bc8c1395 179 --enable-gnutls enable gnutls [no]
e417d80d 180 --enable-libcdio enable audio CD grabbing with libcdio
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181 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
182 and libraw1394 [no]
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183 --enable-libfaac enable AAC encoding via libfaac [no]
184 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
a5b64584 185 --enable-libfreetype enable libfreetype [no]
c547e5ff 186 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 187 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 188 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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189 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
190 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
191 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 192 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
44617d6e 193 --enable-libopus enable Opus decoding via libopus [no]
7c922411 194 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 195 --enable-librtmp enable RTMP[E] support via librtmp [no]
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196 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
197 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 198 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 199 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 200 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
c547e5ff 201 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
3f111804 202 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
06454877 203 --enable-libx264 enable H.264 encoding via x264 [no]
de295976 204 --enable-libxavs enable AVS encoding via xavs [no]
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205 --enable-libxvid enable Xvid encoding via xvidcore,
206 native MPEG-4/Xvid encoder exists [no]
a060866f 207 --enable-openssl enable openssl [no]
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208 --enable-zlib enable zlib [autodetect]
209
210Advanced options (experts only):
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211 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
212 --enable-cross-compile assume a cross-compiler is used
213 --sysroot=PATH root of cross-build tree
214 --sysinclude=PATH location of cross-build system headers
215 --target-os=OS compiler targets OS [$target_os]
216 --target-exec=CMD command to run executables on target
217 --target-path=DIR path to view of build directory on target
aeeb782c 218 --toolchain=NAME set tool defaults according to NAME
06454877 219 --nm=NM use nm tool
121d78d0 220 --ar=AR use archive tool AR [$ar_default]
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221 --as=AS use assembler AS [$as_default]
222 --cc=CC use C compiler CC [$cc_default]
193cdd9a 223 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
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224 --ld=LD use linker LD
225 --host-cc=HOSTCC use host C compiler HOSTCC
226 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
4cc4b33f 227 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
095792f2 228 --host-ld=HOSTLD use host linker HOSTLD
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229 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
230 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 231 --host-os=OS compiler host OS [$target_os]
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232 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
233 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
234 --extra-libs=ELIBS add ELIBS [$ELIBS]
235 --extra-version=STRING version string suffix []
193cdd9a 236 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 237 --build-suffix=SUFFIX library name suffix []
3b327a4b 238 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
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239 --arch=ARCH select architecture [$arch]
240 --cpu=CPU select the minimum required CPU (affects
241 instruction selection, may crash on older CPUs)
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242 --enable-pic build position-independent code
243 --enable-sram allow use of on-chip SRAM
193cdd9a 244 --enable-thumb compile for Thumb instruction set
3b327a4b 245 --disable-symver disable symbol versioning
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DB
246 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
247 --disable-safe-bitstream-reader
248 disable buffer boundary checking in bitreaders
249 (faster, but may crash)
250 --enable-memalign-hack emulate memalign, interferes with memory debuggers
65d12900 251 --enable-lto use link-time optimization
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252
253Optimization options (experts only):
c8a4ae00 254 --disable-asm disable all assembler optimizations
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255 --disable-altivec disable AltiVec optimizations
256 --disable-amd3dnow disable 3DNow! optimizations
257 --disable-amd3dnowext disable 3DNow! extended optimizations
258 --disable-mmx disable MMX optimizations
239fdf1b 259 --disable-mmxext disable MMXEXT optimizations
06454877 260 --disable-sse disable SSE optimizations
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DB
261 --disable-sse2 disable SSE2 optimizations
262 --disable-sse3 disable SSE3 optimizations
06454877 263 --disable-ssse3 disable SSSE3 optimizations
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264 --disable-sse4 disable SSE4 optimizations
265 --disable-sse42 disable SSE4.2 optimizations
87f1355f 266 --disable-avx disable AVX optimizations
79687079 267 --disable-fma4 disable FMA4 optimizations
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268 --disable-armv5te disable armv5te optimizations
269 --disable-armv6 disable armv6 optimizations
270 --disable-armv6t2 disable armv6t2 optimizations
b3267559 271 --disable-vfp disable VFP optimizations
5ea20630 272 --disable-neon disable NEON optimizations
06454877 273 --disable-vis disable VIS optimizations
afb5ed55 274 --disable-inline-asm disable use of inline assembler
06454877 275 --disable-yasm disable use of yasm assembler
06454877 276
070c5d0f 277Developer options (useful when working on Libav itself):
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278 --disable-debug disable debugging symbols
279 --enable-debug=LEVEL set the debug level [$debuglevel]
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280 --disable-optimizations disable compiler optimizations
281 --enable-extra-warnings enable more compiler warnings
52b3cc60 282 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 283 \$LIBAV_SAMPLES at make invocation time.
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284 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
285 should be used only for debugging purposes)
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286 --enable-random randomly enable/disable components
287 --disable-random
288 --enable-random=LIST randomly enable/disable specific components or
289 --disable-random=LIST component groups. LIST is a comma-separated list
290 of NAME[:PROB] entries where NAME is a component
291 (group) and PROB the probability associated with
292 NAME (default 0.5).
293 --random-seed=VALUE seed value for --enable/disable-random
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294
295NOTE: Object files are built at the place where configure is launched.
296EOF
60e8bc13 297 exit 0
74c53c2d 298}
cf9d24ad 299
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300quotes='""'
301
57bd82d4 302log(){
2270b4b2 303 echo "$@" >> $logfile
57bd82d4
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304}
305
720c69da 306log_file(){
c8e9f801 307 log BEGIN $1
2270b4b2 308 pr -n -t $1 >> $logfile
c8e9f801
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309 log END $1
310}
311
2ba042a7 312echolog(){
c8e9f801 313 log "$@"
57bd82d4 314 echo "$@"
2ba042a7
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315}
316
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317warn(){
318 log "WARNING: $*"
319 WARNINGS="${WARNINGS}WARNING: $*\n"
320}
321
2ba042a7
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322die(){
323 echolog "$@"
324 cat <<EOF
d326cf7f 325
2ba042a7 326If you think configure made a mistake, make sure you are using the latest
4a6a21f5 327version from Git. If the latest version fails, report the problem to the
070c5d0f 328libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 329EOF
e155a21a 330 if disabled logging; then
2ba042a7 331 cat <<EOF
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332Rerun configure with logging enabled (do not use --disable-logging), and
333include the log this produces with your report.
2ba042a7
MR
334EOF
335 else
f69f51b3 336 cat <<EOF
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337Include the log file "$logfile" produced by configure as this will help
338solving the problem.
2ba042a7
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339EOF
340 fi
57bd82d4
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341 exit 1
342}
343
6c6007d6 344# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 345toupper(){
6c6007d6 346 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
347}
348
4a5444db 349tolower(){
6c6007d6 350 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
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351}
352
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353c_escape(){
354 echo "$*" | sed 's/["\\]/\\\0/g'
355}
356
b04251c5
MR
357sh_quote(){
358 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 359 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
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360 echo "$v"
361}
362
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363cleanws(){
364 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
365}
366
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367filter(){
368 pat=$1
369 shift
370 for v; do
98ef6079 371 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
372 done
373}
374
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375filter_out(){
376 pat=$1
377 shift
378 for v; do
379 eval "case $v in $pat) ;; *) echo $v ;; esac"
380 done
381}
382
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383map(){
384 m=$1
385 shift
e0e335a0 386 for v; do eval $m; done
36e2dea0
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387}
388
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389add_suffix(){
390 suffix=$1
391 shift
392 for v; do echo ${v}${suffix}; done
393}
394
a8d04fba
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395set_all(){
396 value=$1
397 shift
398 for var in $*; do
399 eval $var=$value
400 done
401}
402
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403set_weak(){
404 value=$1
405 shift
406 for var; do
407 eval : \${$var:=$value}
408 done
409}
410
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411set_safe(){
412 var=$1
413 shift
414 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
415}
416
417get_safe(){
418 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
419}
420
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421pushvar(){
422 for var in $*; do
423 eval level=\${${var}_level:=0}
424 eval ${var}_${level}="\$$var"
425 eval ${var}_level=$(($level+1))
426 done
427}
428
429popvar(){
430 for var in $*; do
431 eval level=\${${var}_level:-0}
432 test $level = 0 && continue
433 eval level=$(($level-1))
434 eval $var="\${${var}_${level}}"
435 eval ${var}_level=$level
436 eval unset ${var}_${level}
437 done
438}
439
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440enable(){
441 set_all yes $*
442}
443
444disable(){
445 set_all no $*
446}
447
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448enable_weak(){
449 set_weak yes $*
450}
451
452disable_weak(){
453 set_weak no $*
454}
455
72702705 456enable_safe(){
fd07f803
MR
457 for var; do
458 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
459 done
72702705
MR
460}
461
462disable_safe(){
fd07f803
MR
463 for var; do
464 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
465 done
72702705
MR
466}
467
f9d328da
MR
468do_enable_deep(){
469 for var; do
470 enabled $var && continue
471 eval sel="\$${var}_select"
c510c7b5
MR
472 eval sgs="\$${var}_suggest"
473 pushvar var sgs
f9d328da 474 enable_deep $sel
c510c7b5
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475 popvar sgs
476 enable_deep_weak $sgs
f9d328da
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477 popvar var
478 done
479}
480
481enable_deep(){
482 do_enable_deep $*
483 enable $*
484}
485
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486enable_deep_weak(){
487 do_enable_deep $*
488 enable_weak $*
489}
490
57bd82d4 491enabled(){
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492 test "${1#!}" = "$1" && op== || op=!=
493 eval test "x\$${1#!}" $op "xyes"
44161118
MR
494}
495
37970ebf 496disabled(){
3250003c
MR
497 test "${1#!}" = "$1" && op== || op=!=
498 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
499}
500
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501enabled_all(){
502 for opt; do
503 enabled $opt || return 1
504 done
505}
506
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507disabled_all(){
508 for opt; do
509 disabled $opt || return 1
510 done
511}
512
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513enabled_any(){
514 for opt; do
515 enabled $opt && return 0
516 done
517}
518
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519disabled_any(){
520 for opt; do
521 disabled $opt && return 0
522 done
f7b230a7 523 return 1
85bca2c5
DB
524}
525
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526set_default(){
527 for opt; do
88268e94 528 eval : \${$opt:=\$${opt}_default}
c9d19248
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529 done
530}
531
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AJ
532is_in(){
533 value=$1
534 shift
535 for var in $*; do
536 [ $var = $value ] && return 0
537 done
538 return 1
539}
540
d4f8cecc 541do_check_deps(){
30fd06be 542 for cfg; do
3250003c 543 cfg="${cfg#!}"
799c9e9b
MR
544 enabled ${cfg}_checking && die "Circular dependency for $cfg."
545 disabled ${cfg}_checking && continue
546 enable ${cfg}_checking
d4f8cecc 547 append allopts $cfg
799c9e9b 548
30fd06be
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549 eval dep_all="\$${cfg}_deps"
550 eval dep_any="\$${cfg}_deps_any"
7ef3425f 551 eval dep_sel="\$${cfg}_select"
c510c7b5 552 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
553 eval dep_ifa="\$${cfg}_if"
554 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 555
3d7453e0 556 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
d4f8cecc 557 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
3d7453e0 558 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 559
3d7453e0
MR
560 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
561 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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562 enabled_all $dep_all || disable $cfg
563 enabled_any $dep_any || disable $cfg
7ef3425f 564 disabled_any $dep_sel && disable $cfg
799c9e9b 565
4ec45764 566 if enabled $cfg; then
f9d328da 567 enable_deep $dep_sel
c510c7b5 568 enable_deep_weak $dep_sgs
4ec45764
RP
569 fi
570
799c9e9b 571 disable ${cfg}_checking
30fd06be
MR
572 done
573}
574
d4f8cecc
MR
575check_deps(){
576 unset allopts
577
578 do_check_deps "$@"
579
580 for cfg in $allopts; do
581 enabled $cfg || continue
582 eval dep_extralibs="\$${cfg}_extralibs"
583 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
584 done
585}
586
44161118
MR
587print_config(){
588 pfx=$1
72cfcf41
MR
589 files=$2
590 shift 2
f454e879
MR
591 map 'eval echo "$v \${$v:-no}"' "$@" |
592 awk "BEGIN { split(\"$files\", files) }
593 {
594 c = \"$pfx\" toupper(\$1);
595 v = \$2;
596 sub(/yes/, 1, v);
597 sub(/no/, 0, v);
598 for (f in files) {
599 file = files[f];
600 if (file ~ /\\.h\$/) {
601 printf(\"#define %s %d\\n\", c, v) >>file;
602 } else if (file ~ /\\.asm\$/) {
603 printf(\"%%define %s %d\\n\", c, v) >>file;
604 } else if (file ~ /\\.mak\$/) {
d16c4aeb 605 n = -v ? \"\" : \"!\";
f454e879
MR
606 printf(\"%s%s=yes\\n\", n, c) >>file;
607 }
608 }
609 }"
57bd82d4
MR
610}
611
31c0121d 612print_enabled(){
31c0121d
MR
613 suf=$1
614 shift
615 for v; do
9eda2a85 616 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
617 done
618}
619
57bd82d4
MR
620append(){
621 var=$1
622 shift
57bd82d4
MR
623 eval "$var=\"\$$var $*\""
624}
625
60361817
MR
626prepend(){
627 var=$1
628 shift
629 eval "$var=\"$* \$$var\""
630}
631
50a334e4 632add_cppflags(){
cd52ec95 633 append CPPFLAGS "$@"
50a334e4
MR
634}
635
57bd82d4 636add_cflags(){
01d31e16 637 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
638}
639
2f2e6c7c 640add_asflags(){
01d31e16 641 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
642}
643
57bd82d4 644add_ldflags(){
64933b6c 645 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
646}
647
648add_extralibs(){
64933b6c 649 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
650}
651
4cc4b33f
DB
652add_host_cppflags(){
653 append host_cppflags "$@"
654}
655
6c3fa06a
MR
656add_host_cflags(){
657 append host_cflags $($host_cflags_filter "$@")
658}
659
660add_host_ldflags(){
661 append host_ldflags $($host_ldflags_filter "$@")
662}
663
84e65c76
MR
664add_compat(){
665 append compat_objs $1
666 shift
667 map 'add_cppflags -D$v' "$@"
668}
669
b0cfb663 670check_cmd(){
b3cb5d51 671 log "$@"
2270b4b2 672 "$@" >> $logfile 2>&1
b0cfb663
MR
673}
674
b2704a65
MR
675cc_o(){
676 eval printf '%s\\n' $CC_O
677}
678
18031c49
MR
679cc_e(){
680 eval printf '%s\\n' $CC_E
681}
682
dcd479c0 683check_cc(){
57bd82d4 684 log check_cc "$@"
2270b4b2 685 cat > $TMPC
720c69da 686 log_file $TMPC
23565c26 687 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
688}
689
690check_cpp(){
691 log check_cpp "$@"
2270b4b2 692 cat > $TMPC
720c69da 693 log_file $TMPC
18031c49 694 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
695}
696
df0d6341
MR
697as_o(){
698 eval printf '%s\\n' $AS_O
699}
700
f65883c8
MR
701check_as(){
702 log check_as "$@"
7fd90119
MR
703 cat > $TMPS
704 log_file $TMPS
705 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
706}
707
575db883
DB
708check_inline_asm(){
709 log check_inline_asm "$@"
940f335a 710 name="$1"
3784e82e 711 code="$2"
940f335a 712 shift 2
49214f61 713 disable $name
7fd90119 714 check_cc "$@" <<EOF && enable $name
3784e82e 715void foo(void){ __asm__ volatile($code); }
940f335a
MR
716EOF
717}
718
c6ebc9fa
MR
719check_insn(){
720 log check_insn "$@"
721 check_inline_asm ${1}_inline "\"$2\""
722 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
723}
724
304d586d
LM
725check_yasm(){
726 log check_yasm "$@"
727 echo "$1" > $TMPS
728 log_file $TMPS
729 shift 1
730 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
731}
732
29b64b68
MR
733ld_o(){
734 eval printf '%s\\n' $LD_O
735}
736
dcd479c0 737check_ld(){
57bd82d4 738 log check_ld "$@"
66a1ccd7
MR
739 flags=$(filter_out '-l*' "$@")
740 libs=$(filter '-l*' "$@")
01d31e16 741 check_cc $($cflags_filter $flags) || return
64933b6c
MR
742 flags=$($ldflags_filter $flags)
743 libs=$($ldflags_filter $libs)
29b64b68 744 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
745}
746
5adc829e
MR
747check_code(){
748 log check_code "$@"
749 check=$1
750 headers=$2
751 code=$3
752 shift 3
753 {
754 for hdr in $headers; do
755 echo "#include <$hdr>"
756 done
757 echo "int main(void) { $code; return 0; }"
758 } | check_$check "$@"
759}
760
50a334e4
MR
761check_cppflags(){
762 log check_cppflags "$@"
caf458dd 763 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
764int x;
765EOF
766}
767
dcd479c0 768check_cflags(){
57bd82d4 769 log check_cflags "$@"
01d31e16 770 set -- $($cflags_filter "$@")
caf458dd 771 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
772int x;
773EOF
774}
775
2ed46eea
MR
776test_ldflags(){
777 log test_ldflags "$@"
778 check_ld "$@" <<EOF
c23a0ac8 779int main(void){ return 0; }
dcd479c0
MR
780EOF
781}
782
2ed46eea
MR
783check_ldflags(){
784 log check_ldflags "$@"
785 test_ldflags "$@" && add_ldflags "$@"
786}
787
dcd479c0 788check_header(){
57bd82d4 789 log check_header "$@"
dcd479c0
MR
790 header=$1
791 shift
b77df637
MR
792 disable_safe $header
793 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
794#include <$header>
795int x;
796EOF
797}
798
799check_func(){
57bd82d4 800 log check_func "$@"
dcd479c0
MR
801 func=$1
802 shift
d8bc5f06
MR
803 disable $func
804 check_ld "$@" <<EOF && enable $func
dcd479c0 805extern int $func();
c23a0ac8 806int main(void){ $func(); }
dcd479c0
MR
807EOF
808}
809
645d2652 810check_mathfunc(){
6b73c0ae 811 log check_mathfunc "$@"
645d2652 812 func=$1
1aa07aa2
MR
813 narg=$2
814 shift 2
815 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
816 disable $func
817 check_ld "$@" <<EOF && enable $func
818#include <math.h>
1aa07aa2 819float foo(float f, float g) { return $func($args); }
33bd38db 820int main(void){ return 0; }
645d2652
MR
821EOF
822}
823
2446d3d6
DB
824check_func_headers(){
825 log check_func_headers "$@"
f8d7b072 826 headers=$1
edaf1ae2 827 funcs=$2
f8d7b072 828 shift 2
edaf1ae2
MR
829 {
830 for hdr in $headers; do
831 echo "#include <$hdr>"
832 done
833 for func in $funcs; do
834 echo "long check_$func(void) { return (long) $func; }"
835 done
836 echo "int main(void) { return 0; }"
837 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
838}
839
a5344cf7
SS
840check_cpp_condition(){
841 log check_cpp_condition "$@"
842 header=$1
843 condition=$2
f855b7b9 844 shift 2
cd52ec95 845 check_cpp "$@" <<EOF
a5344cf7
SS
846#include <$header>
847#if !($condition)
848#error "unsatisfied condition: $condition"
849#endif
850EOF
851}
852
57bd82d4
MR
853check_lib(){
854 log check_lib "$@"
855 header="$1"
856 func="$2"
857 shift 2
84400e9d 858 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
859}
860
f8d7b072
MR
861check_lib2(){
862 log check_lib2 "$@"
863 headers="$1"
edaf1ae2 864 funcs="$2"
f8d7b072 865 shift 2
edaf1ae2 866 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
867}
868
3f8040db
MR
869check_pkg_config(){
870 log check_pkg_config "$@"
871 pkg="$1"
872 headers="$2"
873 funcs="$3"
874 shift 3
875 $pkg_config --exists $pkg || return
876 pkg_cflags=$($pkg_config --cflags $pkg)
877 pkg_libs=$($pkg_config --libs $pkg)
878 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
879 set_safe ${pkg}_cflags $pkg_cflags &&
880 set_safe ${pkg}_libs $pkg_libs
881}
882
dcd479c0 883check_exec(){
2270b4b2 884 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
885}
886
7dfef245 887check_exec_crash(){
5e622c40 888 code=$(cat)
7dfef245
MR
889
890 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
891 # are safe but may not be available everywhere. Thus we use
892 # raise(SIGTERM) instead. The check is run in a subshell so we
893 # can redirect the "Terminated" message from the shell. SIGBUS
894 # is not defined by standard C so it is used conditionally.
895
2270b4b2 896 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
897#include <signal.h>
898static void sighandler(int sig){
899 raise(SIGTERM);
900}
692dd8ed
MR
901int foo(void){
902 $code
903}
e5af4a11 904int main(void){
7dfef245
MR
905 signal(SIGILL, sighandler);
906 signal(SIGFPE, sighandler);
907 signal(SIGSEGV, sighandler);
908#ifdef SIGBUS
909 signal(SIGBUS, sighandler);
910#endif
692dd8ed 911 foo();
7dfef245
MR
912}
913EOF
914}
915
72be9e73
DY
916check_type(){
917 log check_type "$@"
918 headers=$1
919 type=$2
920 shift 2
ae550ce9 921 disable_safe "$type"
5adc829e 922 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
923}
924
14d36751
MR
925check_struct(){
926 log check_type "$@"
927 headers=$1
928 struct=$2
929 member=$3
930 shift 3
931 disable_safe "${struct}_${member}"
5adc829e
MR
932 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
933 enable_safe "${struct}_${member}"
14d36751
MR
934}
935
57bd82d4
MR
936require(){
937 name="$1"
938 header="$2"
939 func="$3"
940 shift 3
941 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
942}
943
f8d7b072
MR
944require2(){
945 name="$1"
946 headers="$2"
947 func="$3"
948 shift 3
949 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
950}
951
3f8040db
MR
952require_pkg_config(){
953 pkg="$1"
954 check_pkg_config "$@" || die "ERROR: $pkg not found"
955 add_cflags $(get_safe ${pkg}_cflags)
956 add_extralibs $(get_safe ${pkg}_libs)
957}
958
ae43c4c0
MR
959hostcc_o(){
960 eval printf '%s\\n' $HOSTCC_O
961}
962
f0125de9
MR
963check_host_cc(){
964 log check_host_cc "$@"
965 cat > $TMPC
966 log_file $TMPC
ae43c4c0 967 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
968}
969
4cc4b33f
DB
970check_host_cppflags(){
971 log check_host_cppflags "$@"
972 check_host_cc "$@" <<EOF && append host_cppflags "$@"
973int x;
974EOF
975}
976
f0125de9
MR
977check_host_cflags(){
978 log check_host_cflags "$@"
6c3fa06a 979 set -- $($host_cflags_filter "$@")
f0125de9
MR
980 check_host_cc "$@" <<EOF && append host_cflags "$@"
981int x;
982EOF
983}
984
c505dd31
MR
985apply(){
986 file=$1
987 shift
988 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
989}
990
c34681df 991cp_if_changed(){
5e27ec28
MR
992 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
993 mkdir -p "$(dirname $2)"
4ebc6a74 994 $cp_f "$1" "$2"
c34681df
MR
995}
996
dcd61286
DB
997# CONFIG_LIST contains configurable options, while HAVE_LIST is for
998# system-dependent things.
999
4a0d6686
AJ
1000COMPONENT_LIST="
1001 bsfs
1002 decoders
1003 demuxers
1004 encoders
3cde40aa 1005 filters
5666fd73 1006 hwaccels
c552605c 1007 indevs
4a0d6686 1008 muxers
c552605c 1009 outdevs
4a0d6686
AJ
1010 parsers
1011 protocols
1012"
1013
70b348ec
DB
1014HWACCEL_LIST="
1015 dxva2
1016 vaapi
1017 vda
1018 vdpau
1019"
d89f2fa9
DB
1020LIBRARY_LIST="
1021 avcodec
1022 avdevice
1023 avfilter
1024 avformat
1025 avresample
1026 avutil
1027 swscale
1028"
1029
055c61b8
DB
1030PROGRAM_LIST="
1031 avconv
1032 avplay
1033 avprobe
1034 avserver
055c61b8
DB
1035"
1036
4a0d6686
AJ
1037CONFIG_LIST="
1038 $COMPONENT_LIST
70b348ec 1039 $HWACCEL_LIST
d89f2fa9 1040 $LIBRARY_LIST
055c61b8 1041 $PROGRAM_LIST
c88f5d72 1042 avisynth
f402916e 1043 bzlib
7f3f5f46 1044 dct
c73f65d9 1045 doc
1848f7d9 1046 fft
47941088 1047 frei0r
bc8c1395 1048 gnutls
c88f5d72 1049 gpl
d8d0d0b2 1050 gray
3abe5fbd 1051 hardcoded_tables
e417d80d 1052 libcdio
f7b8bffe 1053 libdc1394
2eed5a46 1054 libfaac
37eeb5e2 1055 libfdk_aac
a5b64584 1056 libfreetype
c88f5d72 1057 libgsm
3641b048 1058 libilbc
6ebe07fb 1059 libmp3lame
0b175caa
DB
1060 libopencore_amrnb
1061 libopencore_amrwb
6ebf0bfc 1062 libopencv
9a77d59a 1063 libopenjpeg
44617d6e 1064 libopus
0de9c41f 1065 libpulse
0f943ce6 1066 librtmp
f7cd9eed 1067 libschroedinger
ae14f311 1068 libspeex
150d2772 1069 libtheora
d89e738a 1070 libvo_aacenc
f502ff3f 1071 libvo_amrwbenc
c88f5d72 1072 libvorbis
8299a7f8 1073 libvpx
1cc60c47 1074 libx264
de295976 1075 libxavs
1cc60c47 1076 libxvid
b781cc12 1077 lsp
2a91ada8 1078 lzo
47a158cb 1079 mdct
c88f5d72 1080 memalign_hack
c88f5d72 1081 network
3fe142e2 1082 nonfree
a060866f 1083 openssl
8a3c8627 1084 pic
68602540 1085 rdft
e90f5b5a 1086 runtime_cpudetect
8cfbbd92 1087 safe_bitstream_reader
2e35e684 1088 shared
bd2216e4 1089 small
6b35d421 1090 sram
2e35e684 1091 static
a9ddb5b1 1092 swscale_alpha
8986fddc 1093 thumb
9cad0e4e 1094 version3
7e4d9d5d 1095 xmm_clobber_test
56a059ac 1096 x11grab
c88f5d72 1097 zlib
4a0d6686 1098"
c88f5d72 1099
8eee7025 1100THREADS_LIST='
8eee7025
DB
1101 pthreads
1102 w32threads
1103'
1104
3f5b56e5 1105ARCH_LIST='
5873b623 1106 aarch64
3f5b56e5 1107 alpha
a2fc0f6a 1108 arm
fdcd782d
MR
1109 avr32
1110 avr32_ap
1111 avr32_uc
3f5b56e5
MR
1112 bfin
1113 ia64
1114 m68k
1115 mips
bae3abb0 1116 mips64
3f5b56e5 1117 parisc
79cb09b2 1118 ppc
34d11b87 1119 ppc64
3f5b56e5
MR
1120 s390
1121 sh4
1122 sparc
1123 sparc64
c75848cd
DB
1124 tilegx
1125 tilepro
0844bae1 1126 tomi
3f5b56e5
MR
1127 x86
1128 x86_32
1129 x86_64
1130'
1131
81dfa21e
MR
1132ARCH_EXT_LIST_ARM='
1133 armv5te
1134 armv6
1135 armv6t2
81dfa21e 1136 neon
b3267559 1137 vfp
81dfa21e
MR
1138 vfpv3
1139'
1140
50cd43f2 1141ARCH_EXT_LIST_X86='
3bf96eec 1142 amd3dnow
a1ef9f08 1143 amd3dnowext
50cd43f2
DB
1144 avx
1145 fma4
1146 mmx
1147 mmxext
1148 sse
1149 sse2
1150 sse3
1151 sse4
1152 sse42
1153 ssse3
1154'
1155
1156ARCH_EXT_LIST="
81dfa21e 1157 $ARCH_EXT_LIST_ARM
50cd43f2
DB
1158 $ARCH_EXT_LIST_X86
1159 altivec
799fde37 1160 ppc4xx
bd9d34a0 1161 vis
50cd43f2 1162"
3f5b56e5 1163
fd712a55
DB
1164HAVE_LIST_CMDLINE='
1165 inline_asm
1166 symver
1167 yasm
1168'
1169
a3e02a8c
MR
1170HAVE_LIST_PUB='
1171 bigendian
d268eee9 1172 fast_unaligned
a3e02a8c
MR
1173'
1174
79042ab3 1175MATH_FUNCS="
fab0a8b2
MR
1176 atanf
1177 atan2f
79042ab3 1178 cbrtf
fab0a8b2 1179 cosf
79042ab3
DB
1180 exp2
1181 exp2f
fab0a8b2 1182 expf
79042ab3
DB
1183 isinf
1184 isnan
fab0a8b2 1185 ldexpf
79042ab3
DB
1186 llrint
1187 llrintf
1188 log2
1189 log2f
fab0a8b2 1190 log10f
79042ab3
DB
1191 lrint
1192 lrintf
fab0a8b2 1193 powf
79042ab3
DB
1194 rint
1195 round
1196 roundf
fab0a8b2 1197 sinf
79042ab3
DB
1198 trunc
1199 truncf
1200"
1201
3f5b56e5
MR
1202HAVE_LIST="
1203 $ARCH_EXT_LIST
43b73d59
DB
1204 $(add_suffix _external $ARCH_EXT_LIST)
1205 $(add_suffix _inline $ARCH_EXT_LIST)
fd712a55 1206 $HAVE_LIST_CMDLINE
a3e02a8c 1207 $HAVE_LIST_PUB
3f5b56e5 1208 $THREADS_LIST
79042ab3 1209 $MATH_FUNCS
be1a839c 1210 aligned_malloc
59782b82 1211 aligned_stack
35fd8122 1212 alsa_asoundlib_h
3f5b56e5 1213 altivec_h
c9fdab0d 1214 arpa_inet_h
ec9d2c15 1215 asm_mod_q
6308729e 1216 asm_mod_y
dffb41b9 1217 attribute_may_alias
e7ea5e3d 1218 attribute_packed
43e0e0c4
LB
1219 cdio_paranoia_h
1220 cdio_paranoia_paranoia_h
ecf97f22 1221 closesocket
1ac9331a 1222 cmov
15caccb9 1223 CommandLineToArgvW
180d43bc 1224 cpunop
1093383d 1225 CryptGenRandom
c88f5d72 1226 dcbzl
f8aa696f
DB
1227 dev_bktr_ioctl_bt848_h
1228 dev_bktr_ioctl_meteor_h
1229 dev_ic_bt8xx_h
f8aa696f 1230 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1231 dev_video_meteor_ioctl_meteor_h
ca6b544a 1232 direct_h
18b67ae5 1233 dlfcn_h
c88f5d72 1234 dlopen
bc574408 1235 dos_paths
fa845061 1236 dxva_h
245626d0
DB
1237 ebp_available
1238 ebx_available
c2a29455 1239 fast_64bit
669b5583 1240 fast_clz
7073e9fc 1241 fast_cmov
534a2231 1242 fcntl
9d99cc5a 1243 fork
84882df6 1244 getaddrinfo
da9e86f8 1245 gethrtime
667fb97a 1246 getopt
02e8f427 1247 GetProcessAffinityMask
fc5607f8 1248 GetProcessMemoryInfo
4e68cb8a 1249 GetProcessTimes
61183b5a 1250 GetSystemTimeAsFileTime
66be5b45 1251 getrusage
c3e73100 1252 getservbyport
61183b5a 1253 gettimeofday
a49d3025 1254 gnu_as
c7df1532 1255 gsm_h
2f0c136e 1256 ibm_asm
2e1913b1 1257 inet_aton
3b1ab197 1258 io_h
abfc8d05 1259 isatty
8772997d 1260 jack_port_get_latency_range
9f5ff83f 1261 ldbrx
0b4a1821
AS
1262 libdc1394_1
1263 libdc1394_2
d96cd429
MR
1264 local_aligned_16
1265 local_aligned_8
a5b64584 1266 localtime_r
85dd97ad 1267 loongson
f8aa696f
DB
1268 machine_ioctl_bt848_h
1269 machine_ioctl_meteor_h
c88f5d72 1270 malloc_h
73f6d31e 1271 MapViewOfFile
c88f5d72 1272 memalign
6ffa87d3 1273 mkstemp
f80ddd5b 1274 mm_empty
0328b9ea 1275 mmap
e98b02de 1276 mprotect
4fa661a8 1277 msvcrt
d3d3a32c 1278 nanosleep
3e0b1c9a 1279 poll_h
1f91cdce 1280 posix_memalign
07b28702 1281 rdtsc
ea4d5f48 1282 sched_getaffinity
c88f5d72
MR
1283 sdl
1284 sdl_video_size
7e6a11bc 1285 SetConsoleTextAttribute
b507ebd1 1286 setmode
3e0b1c9a 1287 setrlimit
d3d3a32c 1288 Sleep
15d59d2c 1289 sndio_h
72be9e73 1290 socklen_t
deb29777 1291 soundcard_h
87958234 1292 strerror_r
6379900c 1293 strptime
47941088 1294 strtok_r
c0018613 1295 struct_addrinfo
75d339e0
MS
1296 struct_group_source_req
1297 struct_ip_mreq_source
b4d68544 1298 struct_ipv6_mreq
cdee08e3 1299 struct_pollfd
3e0b1c9a 1300 struct_rusage_ru_maxrss
b4d68544 1301 struct_sockaddr_in6
3b2372bf 1302 struct_sockaddr_sa_len
33a4dbdd 1303 struct_sockaddr_storage
a6a4793d 1304 struct_v4l2_frmivalenum_discrete
b462d132 1305 symver_asm_label
3e0b1c9a 1306 symver_gnu_asm
bcc73960 1307 sysconf
b9e22269 1308 sysctl
b58412f1 1309 sys_mman_h
06bb5905 1310 sys_param_h
b091aa44 1311 sys_resource_h
81644c2e 1312 sys_select_h
deb29777 1313 sys_soundcard_h
e64bceea 1314 sys_time_h
1b6e8b73 1315 sys_videoio_h
b265431e 1316 threads
542920b7 1317 unistd_h
d3d3a32c 1318 usleep
ce742de2 1319 vfp_args
7c5bfe7a 1320 VirtualAlloc
d3d3a32c 1321 windows_h
6ff3f3e7 1322 winsock2_h
cc078b5d 1323 xform_asm
6f74fb03 1324 xmm_clobbers
0cb78cef 1325"
44161118 1326
511cf612 1327# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1328CONFIG_EXTRA="
87849592 1329 aandcttables
bfe9f48a 1330 ac3dsp
aa11cb79 1331 audio_frame_queue
c292f6a2 1332 error_resilience
bfe9f48a 1333 gcrypt
478fd534 1334 golomb
9cad0e4e 1335 gplv3
478fd534
DB
1336 h264chroma
1337 h264dsp
1338 h264pred
915a2a0a 1339 h264qpel
478fd534 1340 huffman
9cad0e4e 1341 lgplv3
478fd534 1342 lpc
1e164c0b 1343 mpegaudio
bfe9f48a 1344 mpegaudiodsp
18bbca1f 1345 mpegvideo
ad08dfd5 1346 mpegvideoenc
bfe9f48a 1347 nettle
f704a079 1348 rangecoder
bfe9f48a 1349 rtpdec
5ad2f0bf 1350 rtpenc_chain
bfe9f48a 1351 sinewin
8c53d39e 1352 videodsp
ab9f9876 1353 vp3dsp
b6bb00b0
MR
1354"
1355
520cc7f1 1356CMDLINE_SELECT="
3f5b56e5 1357 $ARCH_EXT_LIST
520cc7f1 1358 $CONFIG_LIST
fd712a55 1359 $HAVE_LIST_CMDLINE
8eee7025 1360 $THREADS_LIST
c8a4ae00 1361 asm
db6107b6 1362 cross_compile
520cc7f1
MR
1363 debug
1364 extra_warnings
8c6afa4d 1365 logging
65d12900 1366 lto
d2bbb2f7 1367 optimizations
520cc7f1 1368"
426be5dc
DB
1369
1370PATHS_LIST='
d156bede 1371 bindir
14a8acf1 1372 datadir
26759c44
MR
1373 incdir
1374 libdir
26759c44
MR
1375 mandir
1376 prefix
1377 shlibdir
426be5dc
DB
1378'
1379
1380CMDLINE_SET="
1381 $PATHS_LIST
121d78d0 1382 ar
426be5dc 1383 arch
313c46a6 1384 as
426be5dc
DB
1385 build_suffix
1386 cc
1387 cpu
1388 cross_prefix
50567afa 1389 dep_cc
ac63af34 1390 extra_version
9da6609f
MR
1391 host_cc
1392 host_cflags
095792f2 1393 host_ld
9da6609f
MR
1394 host_ldflags
1395 host_libs
82bb3329 1396 host_os
684b28e0 1397 ld
426be5dc 1398 logfile
4ae40685 1399 malloc_prefix
89641463 1400 nm
9cd7b854 1401 optflags
3f8040db 1402 pkg_config
154caa67 1403 random_seed
2fad0977 1404 samples
c5200f17
MR
1405 sysinclude
1406 sysroot
a7ada2ba 1407 target_exec
26759c44 1408 target_os
a7ada2ba 1409 target_path
aeeb782c 1410 toolchain
426be5dc 1411"
520cc7f1 1412
89f2932b
MR
1413CMDLINE_APPEND="
1414 extra_cflags
4cc4b33f 1415 host_cppflags
89f2932b
MR
1416"
1417
912f3148
DB
1418# code dependency declarations
1419
9eeed841 1420# architecture extensions
808fa33c 1421
a2fc0f6a
MR
1422armv5te_deps="arm"
1423armv6_deps="arm"
ab5cb084 1424armv6t2_deps="arm"
808fa33c 1425neon_deps="arm"
b3267559
MR
1426vfp_deps="arm"
1427vfpv3_deps="vfp"
808fa33c 1428
637606de
MR
1429map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1430
808fa33c
MR
1431altivec_deps="ppc"
1432ppc4xx_deps="ppc"
1433
1434vis_deps="sparc"
1435
7f8c3d1f 1436x86_64_suggest="cmov fast_cmov"
50cd43f2 1437
808fa33c
MR
1438amd3dnow_deps="mmx"
1439amd3dnowext_deps="amd3dnow"
9eeed841 1440mmx_deps="x86"
239fdf1b 1441mmxext_deps="mmx"
50cd43f2
DB
1442sse_deps="mmxext"
1443sse2_deps="sse"
1444sse3_deps="sse2"
1445ssse3_deps="sse3"
1446sse4_deps="ssse3"
1447sse42_deps="sse4"
1448avx_deps="sse42"
79687079 1449fma4_deps="avx"
9eeed841 1450
43b73d59
DB
1451mmx_external_deps="yasm"
1452mmx_inline_deps="inline_asm"
1453mmx_suggest="mmx_external mmx_inline"
1454
1455for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1456 eval dep=\$${ext}_deps
1457 eval ${ext}_external_deps='"${dep}_external"'
1458 eval ${ext}_inline_deps='"${dep}_inline"'
1459 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1460done
1461
59782b82 1462aligned_stack_if_any="ppc x86"
e939cedd 1463fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
f0fe245b
MR
1464fast_clz_if_any="alpha avr32 mips ppc x86"
1465fast_unaligned_if_any="ppc x86"
669b5583 1466
6fec122a 1467inline_asm_deps="!tms470"
3e0b1c9a 1468need_memalign="altivec neon sse"
89e053f8 1469
b462d132
MR
1470symver_if_any="symver_asm_label symver_gnu_asm"
1471
88a35699
MS
1472log2_deps="!msvcrt"
1473
26fbcc85 1474# subsystems
dc609252 1475dct_select="rdft"
26fbcc85
MR
1476mdct_select="fft"
1477rdft_select="fft"
1e164c0b 1478mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1479mpegaudiodsp_select="dct"
ed40b6bf 1480mpegvideo_select="videodsp"
ad08dfd5 1481mpegvideoenc_select="mpegvideo"
26fbcc85 1482
ed40b6bf 1483# decoders / encoders
cfc2a0cf 1484aac_decoder_select="mdct sinewin"
aa11cb79 1485aac_encoder_select="audio_frame_queue mdct sinewin"
136e19e1 1486aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1487ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1488ac3_encoder_select="mdct ac3dsp"
3d269059 1489ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1490alac_encoder_select="lpc"
b781cc12 1491amrnb_decoder_select="lsp"
2b2a597e 1492amrwb_decoder_select="lsp"
4538729a 1493atrac1_decoder_select="mdct sinewin"
26fbcc85 1494atrac3_decoder_select="mdct"
a33657ce
DB
1495binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1496binkaudio_rdft_decoder_select="mdct rdft sinewin"
18bbca1f 1497cavs_decoder_select="golomb mpegvideo"
9b500b8f 1498comfortnoise_encoder_select="lpc"
4538729a 1499cook_decoder_select="mdct sinewin"
2a91ada8 1500cscd_decoder_select="lzo"
2eef7c62 1501cscd_decoder_suggest="zlib"
26fbcc85 1502dca_decoder_select="mdct"
ad08dfd5 1503dnxhd_encoder_select="aandcttables mpegvideoenc"
2eef7c62 1504dxa_decoder_select="zlib"
baf91bb9 1505eac3_decoder_select="ac3_decoder"
4264a0dd 1506eac3_encoder_select="ac3_encoder"
69804535 1507eamad_decoder_select="aandcttables error_resilience mpegvideo"
87849592 1508eatgq_decoder_select="aandcttables"
c292f6a2 1509eatqi_decoder_select="aandcttables error_resilience mpegvideo"
f704a079
DB
1510ffv1_decoder_select="golomb rangecoder"
1511ffv1_encoder_select="rangecoder"
5a582bd3 1512ffvhuff_encoder_select="huffman"
4f034993 1513flac_decoder_select="golomb"
f4d608e3 1514flac_encoder_select="golomb lpc"
2eef7c62
AJ
1515flashsv_decoder_select="zlib"
1516flashsv_encoder_select="zlib"
c2d23309 1517flashsv2_decoder_select="zlib"
4414137e 1518flv_decoder_select="h263_decoder"
4d4b4bd1 1519flv_encoder_select="h263_encoder"
3447f12d 1520fraps_decoder_select="huffman"
c292f6a2 1521h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1522h261_encoder_select="aandcttables mpegvideoenc"
c292f6a2
DB
1523h263_decoder_select="error_resilience h263_parser mpegvideo"
1524h263_encoder_select="aandcttables error_resilience mpegvideoenc"
4414137e 1525h263i_decoder_select="h263_decoder"
fe629c2d 1526h263p_encoder_select="h263_encoder"
c292f6a2 1527h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
5a582bd3 1528huffyuv_encoder_select="huffman"
19be0f3c 1529iac_decoder_select="fft mdct sinewin"
56c8227d 1530imc_decoder_select="fft mdct sinewin"
4f034993
MR
1531jpegls_decoder_select="golomb"
1532jpegls_encoder_select="golomb"
ad08dfd5 1533ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1534loco_decoder_select="golomb"
c292f6a2 1535mdec_decoder_select="error_resilience mpegvideo"
ad08dfd5 1536mjpeg_encoder_select="aandcttables mpegvideoenc"
2cca233b 1537mlp_decoder_select="mlp_parser"
1e164c0b
DB
1538mp1_decoder_select="mpegaudio"
1539mp1float_decoder_select="mpegaudio"
1540mp2_decoder_select="mpegaudio"
1541mp2float_decoder_select="mpegaudio"
1542mp3_decoder_select="mpegaudio"
1543mp3adu_decoder_select="mpegaudio"
1544mp3adufloat_decoder_select="mpegaudio"
1545mp3float_decoder_select="mpegaudio"
1546mp3on4_decoder_select="mpegaudio"
1547mp3on4float_decoder_select="mpegaudio"
606c9297
DB
1548mpc7_decoder_select="mpegaudiodsp"
1549mpc8_decoder_select="mpegaudiodsp"
3e0b1c9a
DB
1550mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1551mpeg_xvmc_decoder_select="mpegvideo_decoder"
c292f6a2
DB
1552mpeg1video_decoder_select="error_resilience mpegvideo"
1553mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
c292f6a2
DB
1554mpeg2video_decoder_select="error_resilience mpegvideo"
1555mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
3e0b1c9a
DB
1556mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1557mpeg4_encoder_select="h263_encoder"
4414137e 1558msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1559msmpeg4v1_encoder_select="h263_encoder"
4414137e 1560msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1561msmpeg4v2_encoder_select="h263_encoder"
4414137e 1562msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1563msmpeg4v3_encoder_select="h263_encoder"
ee769c6a 1564mss2_decoder_select="vc1_decoder"
4538729a 1565nellymoser_decoder_select="mdct sinewin"
aa11cb79 1566nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2a91ada8 1567nuv_decoder_select="lzo"
2eef7c62
AJ
1568png_decoder_select="zlib"
1569png_encoder_select="zlib"
b781cc12 1570qcelp_decoder_select="lsp"
c4f5c2d6 1571qdm2_decoder_select="mdct rdft mpegaudiodsp"
aa11cb79 1572ra_144_encoder_select="audio_frame_queue lpc"
9f43fdda 1573ralf_decoder_select="golomb"
a8beb22f 1574rv10_decoder_select="h263_decoder"
b2bf38b4 1575rv10_encoder_select="h263_encoder"
a8beb22f 1576rv20_decoder_select="h263_decoder"
b2bf38b4 1577rv20_encoder_select="h263_encoder"
c292f6a2
DB
1578rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1579rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
4f034993 1580shorten_decoder_select="golomb"
b781cc12 1581sipr_decoder_select="lsp"
c292f6a2
DB
1582svq1_decoder_select="error_resilience mpegvideo"
1583svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1584svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
bee2eac5 1585svq3_decoder_suggest="zlib"
4eef77c1 1586theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1587tiff_decoder_suggest="zlib"
1588tiff_encoder_suggest="zlib"
aec09a00 1589truehd_decoder_select="mlp_decoder"
2eef7c62 1590tscc_decoder_select="zlib"
4538729a 1591twinvq_decoder_select="mdct lsp sinewin"
aa661113 1592utvideo_encoder_select="huffman"
915a2a0a 1593vc1_decoder_select="h263_decoder h264chroma h264qpel"
45ecda85 1594vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1595vorbis_decoder_select="mdct"
1596vorbis_encoder_select="mdct"
8c53d39e
RB
1597vp3_decoder_select="vp3dsp videodsp"
1598vp5_decoder_select="vp3dsp videodsp"
1599vp6_decoder_select="huffman vp3dsp videodsp"
e82dc4c9
DB
1600vp6a_decoder_select="vp6_decoder"
1601vp6f_decoder_select="vp6_decoder"
8c53d39e 1602vp8_decoder_select="h264pred videodsp"
4538729a
MR
1603wmapro_decoder_select="mdct sinewin"
1604wmav1_decoder_select="mdct sinewin"
1605wmav1_encoder_select="mdct sinewin"
1606wmav2_decoder_select="mdct sinewin"
1607wmav2_encoder_select="mdct sinewin"
1608wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1609wmv1_decoder_select="h263_decoder"
665507aa 1610wmv1_encoder_select="h263_encoder"
f95bfab0 1611wmv2_decoder_select="h263_decoder"
1746e2a9 1612wmv2_encoder_select="h263_encoder"
015f8ee0 1613wmv3_decoder_select="vc1_decoder"
45ecda85 1614wmv3image_decoder_select="wmv3_decoder"
0e714f88 1615zerocodec_decoder_select="zlib"
2eef7c62
AJ
1616zlib_decoder_select="zlib"
1617zlib_encoder_select="zlib"
1618zmbv_decoder_select="zlib"
1619zmbv_encoder_select="zlib"
30fd06be 1620
ed40b6bf 1621# hardware accelerators
0afab17e 1622vaapi_deps="va_va_h"
ac3dbb4d 1623vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
9840130e 1624vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
c89c96e9
MR
1625vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1626
ed40b6bf 1627h263_vaapi_hwaccel_select="vaapi h263_decoder"
200e8ac9 1628h263_vdpau_hwaccel_select="vdpau h263_decoder"
ed40b6bf
DB
1629h264_dxva2_hwaccel_deps="dxva2api_h"
1630h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1631h264_vaapi_hwaccel_select="vaapi h264_decoder"
1632h264_vda_hwaccel_select="vda h264_decoder"
1633h264_vdpau_decoder_select="vdpau h264_decoder"
51b56a07 1634h264_vdpau_hwaccel_select="vdpau h264_decoder"
ed40b6bf
DB
1635mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1636mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
aaf9d0e8 1637mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
ed40b6bf
DB
1638mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1639mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1640mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
aaf9d0e8 1641mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
ed40b6bf
DB
1642mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1643mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
200e8ac9 1644mpeg4_vdpau_hwaccel_select="vdpau mpeg4_decoder"
ed40b6bf
DB
1645vc1_dxva2_hwaccel_deps="dxva2api_h"
1646vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1647vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1648vc1_vdpau_decoder_select="vdpau vc1_decoder"
77525327 1649vc1_vdpau_hwaccel_select="vdpau vc1_decoder"
ed40b6bf
DB
1650wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1651wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1652wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
77525327 1653wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1654
28b80940 1655# parsers
79dad2a9 1656h264_parser_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
c292f6a2
DB
1657mpeg4video_parser_select="error_resilience mpegvideo"
1658mpegvideo_parser_select="error_resilience mpegvideo"
1659vc1_parser_select="error_resilience mpegvideo"
28b80940 1660
912f3148 1661# external libraries
c9171a83 1662libfaac_encoder_deps="libfaac"
aa11cb79 1663libfaac_encoder_select="audio_frame_queue"
37eeb5e2 1664libfdk_aac_encoder_deps="libfdk_aac"
aa11cb79 1665libfdk_aac_encoder_select="audio_frame_queue"
299c77d5
MR
1666libgsm_decoder_deps="libgsm"
1667libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1668libgsm_ms_decoder_deps="libgsm"
1669libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1670libilbc_decoder_deps="libilbc"
1671libilbc_encoder_deps="libilbc"
1cc60c47 1672libmp3lame_encoder_deps="libmp3lame"
aa11cb79 1673libmp3lame_encoder_select="audio_frame_queue"
0b175caa
DB
1674libopencore_amrnb_decoder_deps="libopencore_amrnb"
1675libopencore_amrnb_encoder_deps="libopencore_amrnb"
aa11cb79 1676libopencore_amrnb_encoder_select="audio_frame_queue"
0b175caa 1677libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1678libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1679libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1680libopus_decoder_deps="libopus"
6cb8c854 1681libopus_encoder_deps="libopus"
aa11cb79 1682libopus_encoder_select="audio_frame_queue"
f7cd9eed
AS
1683libschroedinger_decoder_deps="libschroedinger"
1684libschroedinger_encoder_deps="libschroedinger"
ae14f311 1685libspeex_decoder_deps="libspeex"
b606a017 1686libspeex_encoder_deps="libspeex"
aa11cb79 1687libspeex_encoder_select="audio_frame_queue"
150d2772 1688libtheora_encoder_deps="libtheora"
d89e738a 1689libvo_aacenc_encoder_deps="libvo_aacenc"
aa11cb79 1690libvo_aacenc_encoder_select="audio_frame_queue"
f502ff3f 1691libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1692libvorbis_encoder_deps="libvorbis"
aa11cb79 1693libvorbis_encoder_select="audio_frame_queue"
3f111804
LB
1694libvpx_vp8_decoder_deps="libvpx"
1695libvpx_vp8_encoder_deps="libvpx"
1696libvpx_vp9_decoder_deps="libvpx"
1697libvpx_vp9_encoder_deps="libvpx"
1cc60c47 1698libx264_encoder_deps="libx264"
de295976 1699libxavs_encoder_deps="libxavs"
1cc60c47 1700libxvid_encoder_deps="libxvid"
30fd06be 1701
912f3148 1702# demuxers / muxers
c2dd0e9e 1703ac3_demuxer_select="ac3_parser"
647c2356 1704asf_stream_muxer_select="asf_muxer"
4e622dea 1705avisynth_demuxer_deps="avisynth"
c2dd0e9e 1706dirac_demuxer_select="dirac_parser"
5b423887 1707eac3_demuxer_select="ac3_parser"
c2dd0e9e 1708flac_demuxer_select="flac_parser"
647c2356 1709ipod_muxer_select="mov_muxer"
31f16dc1 1710ismv_muxer_select="mov_muxer"
647c2356 1711matroska_audio_muxer_select="matroska_muxer"
2a91ada8 1712matroska_demuxer_suggest="bzlib lzo zlib"
4e622dea 1713mov_demuxer_suggest="zlib"
5ad2f0bf 1714mov_muxer_select="rtpenc_chain"
c2dd0e9e 1715mp3_demuxer_select="mpegaudio_parser"
647c2356 1716mp4_muxer_select="mov_muxer"
18bbca1f 1717mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
647c2356
DB
1718mpegtsraw_demuxer_select="mpegts_demuxer"
1719mxf_d10_muxer_select="mxf_muxer"
24ca518b 1720ogg_demuxer_select="golomb"
647c2356 1721psp_muxer_select="mov_muxer"
44594cc7 1722rtp_demuxer_select="sdp_demuxer"
18bbca1f 1723rtp_muxer_select="mpegvideo"
44b70ce5
MS
1724rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1725rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 1726rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 1727sap_demuxer_select="sdp_demuxer"
5ad2f0bf 1728sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 1729sdp_demuxer_select="rtpdec"
e772f9fa 1730smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1731spdif_muxer_select="aac_parser"
57231e4d 1732tak_demuxer_select="tak_parser"
647c2356
DB
1733tg2_muxer_select="mov_muxer"
1734tgp_muxer_select="mov_muxer"
6bdaa5f4 1735w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1736
1737# indevs / outdevs
38e54a75 1738alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1739alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1740bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1741dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1742fbdev_indev_deps="linux_fb_h"
38e54a75 1743jack_indev_deps="jack_jack_h"
e417d80d 1744libcdio_indev_deps="libcdio"
38e54a75 1745libdc1394_indev_deps="libdc1394"
38e54a75
SS
1746oss_indev_deps_any="soundcard_h sys_soundcard_h"
1747oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1748pulse_indev_deps="libpulse"
15d59d2c
B
1749sndio_indev_deps="sndio_h"
1750sndio_outdev_deps="sndio_h"
38e54a75 1751v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1752vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1753vfwcap_indev_extralibs="-lavicap32"
24f8961f 1754x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1755
912f3148 1756# protocols
acd554c1
SP
1757ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1758ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1759ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1760ffrtmphttp_protocol_deps="!librtmp_protocol"
1761ffrtmphttp_protocol_select="http_protocol"
998c1ee1 1762gopher_protocol_select="network"
c40e1757 1763httpproxy_protocol_select="tcp_protocol"
279a0c97 1764http_protocol_select="tcp_protocol"
183baead 1765https_protocol_select="tls_protocol"
c3b57d6e
DB
1766librtmp_protocol_deps="librtmp"
1767librtmpe_protocol_deps="librtmp"
1768librtmps_protocol_deps="librtmp"
1769librtmpt_protocol_deps="librtmp"
1770librtmpte_protocol_deps="librtmp"
c60a2d70 1771mmsh_protocol_select="http_protocol"
998c1ee1 1772mmst_protocol_select="network"
c3b57d6e 1773rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1774rtmp_protocol_select="tcp_protocol"
acd554c1 1775rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1776rtmps_protocol_deps="!librtmp_protocol"
1777rtmps_protocol_select="tls_protocol"
775c4d36 1778rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1779rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1780rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1781rtp_protocol_select="udp_protocol"
998c1ee1
DB
1782sctp_protocol_deps="struct_sctp_event_subscribe"
1783sctp_protocol_select="network"
0eecafc9 1784srtp_protocol_select="rtp_protocol"
998c1ee1 1785tcp_protocol_select="network"
558d192d
MS
1786tls_protocol_deps_any="openssl gnutls"
1787tls_protocol_select="tcp_protocol"
998c1ee1 1788udp_protocol_select="network"
c08fb000 1789
6ebf0bfc 1790# filters
13fabd7a 1791blackframe_filter_deps="gpl"
ce6b6ef6 1792boxblur_filter_deps="gpl"
68b79bfc 1793cropdetect_filter_deps="gpl"
b157be1f 1794delogo_filter_deps="gpl"
a5b64584 1795drawtext_filter_deps="libfreetype"
2e5ff4d0 1796frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1797frei0r_filter_extralibs='$ldl'
a42bb9d6 1798frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1799frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1800hqdn3d_filter_deps="gpl"
d371e7b9 1801resample_filter_deps="avresample"
cf69ad35 1802ocv_filter_deps="libopencv"
2f296e39 1803scale_filter_deps="swscale"
acbac567 1804yadif_filter_deps="gpl"
6ebf0bfc 1805
5a0f7131 1806# libraries
d89f2fa9
DB
1807avcodec_deps="avutil"
1808avdevice_deps="avutil avcodec avformat"
1809avfilter_deps="avutil"
1810avformat_deps="avutil avcodec"
1811avresample_deps="avutil"
1812swscale_deps="avutil"
f7679c54 1813
912f3148 1814# programs
54fd593a 1815avconv_deps="avcodec avfilter avformat avresample swscale"
0a0e340f
DB
1816avconv_select="aformat_filter anull_filter asyncts_filter format_filter
1817 fps_filter null_filter resample_filter scale_filter
1818 setpts_filter"
d173ede1 1819avplay_deps="avcodec avformat avresample swscale sdl"
266463da 1820avplay_select="rdft"
9e12f0bf 1821avprobe_deps="avcodec avformat"
b263bf66 1822avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1823avserver_extralibs='$ldl'
a2830dca 1824
c73f65d9 1825doc_deps="texi2html"
912f3148 1826
de6d9b64 1827# default parameters
8a608357 1828
19bd477d 1829logfile="config.log"
8a608357
MR
1830
1831# installation paths
c9d19248
MR
1832prefix_default="/usr/local"
1833bindir_default='${prefix}/bin'
6291d7e4 1834datadir_default='${prefix}/share/avconv'
c9d19248
MR
1835incdir_default='${prefix}/include'
1836libdir_default='${prefix}/lib'
1837mandir_default='${prefix}/share/man'
1838shlibdir_default="$libdir_default"
8a608357
MR
1839
1840# toolchain
121d78d0 1841ar_default="ar"
13c7df3d 1842cc_default="gcc"
9da6609f 1843host_cc_default="gcc"
4ebc6a74 1844cp_f="cp -f"
11e6d03a 1845ln_s="ln -sf"
2a8a860a 1846nm_default="nm -g"
11e6d03a 1847objformat="elf"
3f8040db 1848pkg_config_default=pkg-config
be7109c1 1849ranlib="ranlib"
11e6d03a 1850yasmexe="yasm"
8a608357 1851
3e0b1c9a 1852nogas=":"
8182dc34 1853
8a608357 1854# machine
8d4c00ed 1855arch_default=$(uname -m)
38d0a8aa 1856cpu="generic"
8a608357 1857
8a608357 1858# OS
8d4c00ed
MR
1859target_os_default=$(tolower $(uname -s))
1860host_os=$target_os_default
8a608357 1861
8a608357 1862# configurable options
d89f2fa9 1863enable $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 1864
3e0b1c9a
DB
1865enable asm
1866enable debug
1867enable doc
8400d6b8 1868enable optimizations
8cfbbd92 1869enable safe_bitstream_reader
530dc538 1870enable static
a9ddb5b1 1871enable swscale_alpha
8a608357 1872
8a608357 1873# build settings
9987769a 1874SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1875AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1876LIBPREF="lib"
1877LIBSUF=".a"
c5f14466
RP
1878FULLNAME='$(NAME)$(BUILDSUF)'
1879LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1880SLIBPREF="lib"
1881SLIBSUF=".so"
c5f14466 1882SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1883SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1884SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1885LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1886SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1887SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1888
68485d1f
MR
1889asflags_filter=echo
1890cflags_filter=echo
64933b6c
MR
1891ldflags_filter=echo
1892
23565c26 1893AS_C='-c'
bc877faf 1894AS_O='-o $@'
23565c26 1895CC_C='-c'
18031c49 1896CC_E='-E -o $@'
7e6c86e6 1897CC_O='-o $@'
a758c5e2 1898LD_O='-o $@'
8db73c61
MR
1899LD_LIB='-l%'
1900LD_PATH='-L'
23565c26 1901HOSTCC_C='-c'
a758c5e2 1902HOSTCC_O='-o $@'
095792f2 1903HOSTLD_O='-o $@'
7e6c86e6 1904
4cc4b33f
DB
1905host_cflags='-O3 -g'
1906host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
9da6609f 1907host_libs='-lm'
6c3fa06a
MR
1908host_cflags_filter=echo
1909host_ldflags_filter=echo
9da6609f 1910
9b861379 1911target_path='$(CURDIR)'
a7ada2ba 1912
a158446b
MR
1913# since the object filename is not given with the -MM flag, the compiler
1914# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
1915DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1916DEPFLAGS='-MM'
315c741d 1917
c597172e 1918# find source path
24524f36 1919if test -f configure; then
f038cf3c 1920 source_path=.
c597172e 1921else
8477f2de 1922 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1923 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1924 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1925 test -e "$source_path/config.h" &&
1926 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1927fi
1928
13cbe2c0 1929for v in "$@"; do
b04251c5
MR
1930 r=${v#*=}
1931 l=${v%"$r"}
1932 r=$(sh_quote "$r")
29ba0911 1933 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1934done
c597172e 1935
73ef8980
MR
1936find_things(){
1937 thing=$1
1938 pattern=$2
1939 file=$source_path/$3
932ccf39 1940 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1941}
1942
1943ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1944DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1945HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1946PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1947BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1948MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1949DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1950OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1951INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1952PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1953FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1954
54e75be4
DB
1955ALL_COMPONENTS="
1956 $BSF_LIST
1957 $DECODER_LIST
1958 $DEMUXER_LIST
1959 $ENCODER_LIST
1960 $FILTER_LIST
1961 $HWACCEL_LIST
1962 $INDEV_LIST
1963 $MUXER_LIST
1964 $OUTDEV_LIST
1965 $PARSER_LIST
1966 $PROTOCOL_LIST
1967"
1968
8469ae22
MR
1969for n in $COMPONENT_LIST; do
1970 v=$(toupper ${n%s})_LIST
1971 eval enable \$$v
1972 eval ${n}_if_any="\$$v"
1973done
1974
206a070d 1975enable $ARCH_EXT_LIST
c597172e
MR
1976
1977die_unknown(){
1978 echo "Unknown option \"$1\"."
1979 echo "See $0 --help for available options."
1980 exit 1
1981}
1982
7432e872
DB
1983print_3_columns() {
1984 cat | tr ' ' '\n' | sort | pr -r -3 -t
1985}
1986
794f8e97 1987show_list() {
bf0c4afa
RP
1988 suffix=_$1
1989 shift
7432e872 1990 echo $* | sed s/$suffix//g | print_3_columns
794f8e97
PI
1991 exit 0
1992}
1993
154caa67
MR
1994rand_list(){
1995 IFS=', '
1996 set -- $*
1997 unset IFS
1998 for thing; do
1999 comp=${thing%:*}
2000 prob=${thing#$comp}
2001 prob=${prob#:}
2002 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2003 echo "prob ${prob:-0.5}"
2004 printf '%s\n' $comp
2005 done
2006}
2007
2008do_random(){
2009 action=$1
2010 shift
2011 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2012 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2013}
2014
c597172e 2015for opt do
7483e694
DB
2016 optval="${opt#*=}"
2017 case "$opt" in
ea061af1
DB
2018 --extra-ldflags=*)
2019 add_ldflags $optval
7e9e7cc2 2020 ;;
ea061af1
DB
2021 --extra-libs=*)
2022 add_extralibs $optval
7e9e7cc2 2023 ;;
ea061af1
DB
2024 --disable-devices)
2025 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 2026 ;;
ea061af1
DB
2027 --enable-debug=*)
2028 debuglevel="$optval"
7e9e7cc2
MR
2029 ;;
2030 --disable-programs)
2031 disable $PROGRAM_LIST
2032 ;;
2033 --disable-everything)
2034 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2035 ;;
844c6852
DB
2036 --disable-all)
2037 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2038 disable $LIBRARY_LIST $PROGRAM_LIST doc
2039 ;;
7e9e7cc2
MR
2040 --enable-random|--disable-random)
2041 action=${opt%%-random}
2042 do_random ${action#--} $COMPONENT_LIST
2043 ;;
2044 --enable-random=*|--disable-random=*)
2045 action=${opt%%-random=*}
2046 do_random ${action#--} $optval
2047 ;;
2048 --enable-*=*|--disable-*=*)
2049 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2050 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2051 eval list=\$$(toupper $thing)_LIST
2052 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2053 $action $(filter "$name" $list)
2054 ;;
2055 --enable-?*|--disable-?*)
2056 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2057 if is_in $option $COMPONENT_LIST; then
2058 test $action = disable && action=unset
2059 eval $action \$$(toupper ${option%s})_LIST
2060 elif is_in $option $CMDLINE_SELECT; then
2061 $action $option
2062 else
2063 die_unknown $opt
2064 fi
2065 ;;
2066 --list-*)
2067 NAME="${opt#--list-}"
2068 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2069 NAME=${NAME%s}
2070 eval show_list $NAME \$$(toupper $NAME)_LIST
2071 ;;
2072 --help|-h) show_help
2073 ;;
2074 *)
2075 optname="${opt%%=*}"
2076 optname="${optname#--}"
2077 optname=$(echo "$optname" | sed 's/-/_/g')
2078 if is_in $optname $CMDLINE_SET; then
2079 eval $optname='$optval'
2080 elif is_in $optname $CMDLINE_APPEND; then
2081 append $optname "$optval"
2082 else
2083 die_unknown $opt
2084 fi
2085 ;;
7483e694 2086 esac
c597172e
MR
2087done
2088
bcea99bb
MR
2089disabled logging && logfile=/dev/null
2090
29ba0911 2091echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2092set >> $logfile
2093
9da6609f
MR
2094test -n "$cross_prefix" && enable cross_compile
2095
8d4c00ed
MR
2096if enabled cross_compile; then
2097 test -n "$arch" && test -n "$target_os" ||
2098 die "Must specify target arch and OS when cross-compiling"
2099fi
2100
121d78d0 2101ar_default="${cross_prefix}${ar_default}"
11e6d03a 2102cc_default="${cross_prefix}${cc_default}"
20e0ed95 2103nm_default="${cross_prefix}${nm_default}"
3f8040db 2104pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2105ranlib="${cross_prefix}${ranlib}"
adb2b908 2106
c5200f17
MR
2107sysinclude_default="${sysroot}/usr/include"
2108
aeeb782c 2109case "$toolchain" in
0fbb62a8
LB
2110 clang-asan)
2111 cc_default="clang"
2112 add_cflags -faddress-sanitizer
2113 add_ldflags -faddress-sanitizer
2114 ;;
2115 clang-tsan)
2116 cc_default="clang"
2117 add_cflags -fthread-sanitizer
2118 add_ldflags -fthread-sanitizer
2119 ;;
aeeb782c
MR
2120 msvc)
2121 cc_default="c99wrap cl"
2122 ld_default="c99wrap link"
2123 nm_default="dumpbin -symbols"
ac3a9b51 2124 ar_default="lib"
53e8cd68 2125 target_os_default="win32"
aeeb782c
MR
2126 ;;
2127 ?*)
2128 die "Unknown toolchain $toolchain"
2129 ;;
2130esac
2131
53e8cd68 2132set_default arch cc pkg_config sysinclude target_os
9da6609f
MR
2133enabled cross_compile || host_cc_default=$cc
2134set_default host_cc
13c7df3d 2135
762f95e4
MR
2136if ! $pkg_config --version >/dev/null 2>&1; then
2137 warn "$pkg_config not found, library detection may fail."
2138 pkg_config=false
2139fi
2140
82bb3329
MR
2141exesuf() {
2142 case $1 in
53e8cd68 2143 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2144 esac
2145}
2146
2147EXESUF=$(exesuf $target_os)
2148HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2149
e4e69e0b 2150# set temporary file name
a49d42c2 2151: ${TMPDIR:=$TEMPDIR}
c51fafa1 2152: ${TMPDIR:=$TMP}
a49d42c2 2153: ${TMPDIR:=/tmp}
e4e69e0b 2154
a210bce2 2155if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2156 # simple replacement for missing mktemp
2157 # NOT SAFE FOR GENERAL USE
2158 mktemp(){
09a5c245 2159 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2160 }
2161fi
2162
2163tmpfile(){
2164 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2165 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2166 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2167 append TMPFILES $tmp
2168 eval $1=$tmp
2169}
2170
2171trap 'rm -f -- $TMPFILES' EXIT
54460a83 2172
55127e7b 2173tmpfile TMPASM .asm
3e0b1c9a
DB
2174tmpfile TMPC .c
2175tmpfile TMPE $EXESUF
2176tmpfile TMPH .h
2177tmpfile TMPO .o
2178tmpfile TMPS .S
2179tmpfile TMPSH .sh
2180tmpfile TMPV .ver
54460a83
MR
2181
2182unset -f mktemp
e4e69e0b 2183
fb3c4ffc
MR
2184chmod +x $TMPE
2185
993f2d0f
MR
2186# make sure we can execute files in $TMPDIR
2187cat > $TMPSH 2>> $logfile <<EOF
2188#! /bin/sh
2189EOF
2190chmod +x $TMPSH >> $logfile 2>&1
2191if ! $TMPSH >> $logfile 2>&1; then
2192 cat <<EOF
2193Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2194variable to another directory and make sure that it is not mounted noexec.
2195EOF
2196 die "Sanity test failed."
2197fi
993f2d0f 2198
457cc333
MR
2199ccc_flags(){
2200 for flag; do
2201 case $flag in
2202 -std=c99) echo -c99 ;;
2203 -mcpu=*) echo -arch ${flag#*=} ;;
2204 -mieee) echo -ieee ;;
2205 -O*|-fast) echo $flag ;;
2206 -fno-math-errno) echo -assume nomath_errno ;;
2207 -g) echo -g3 ;;
2208 -Wall) echo -msg_enable level2 ;;
2209 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2210 -Wl,*) echo $flag ;;
2211 -f*|-W*) ;;
2212 *) echo $flag ;;
2213 esac
2214 done
2215}
2216
dfa559bc
RB
2217msvc_flags(){
2218 for flag; do
2219 case $flag in
2220 -fomit-frame-pointer) echo -Oy ;;
2221 -g) echo -Z7 ;;
2222 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2223 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4a185ed2 2224 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
d66c52c2 2225 -wd4996 -wd4273 ;;
dfa559bc
RB
2226 -std=c99) ;;
2227 -fno-math-errno) ;;
2228 -fno-common) ;;
2229 -fno-signed-zeros) ;;
50640977 2230 -fPIC) ;;
dfa559bc 2231 -lz) echo zlib.lib ;;
bd680c7b
DB
2232 -lavifil32) echo vfw32.lib ;;
2233 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2234 -l*) echo ${flag#-l}.lib ;;
2235 *) echo $flag ;;
2236 esac
2237 done
2238}
2239
d0c6d424
MR
2240pgi_flags(){
2241 for flag; do
2242 case $flag in
643933f5 2243 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2244 -fomit-frame-pointer) echo -Mnoframe ;;
2245 -g) echo -gopt ;;
2246 *) echo $flag ;;
2247 esac
2248 done
2249}
2250
2251suncc_flags(){
2252 for flag; do
2253 case $flag in
2254 -march=*|-mcpu=*)
2255 case "${flag#*=}" in
2256 native) echo -xtarget=native ;;
2257 v9|niagara) echo -xarch=sparc ;;
2258 ultrasparc) echo -xarch=sparcvis ;;
2259 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2260 i586|pentium) echo -xchip=pentium ;;
2261 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2262 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2263 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2264 pentium4*) echo -xtarget=pentium4 ;;
2265 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2266 *-sse3) echo -xarch=sse3 ;;
2267 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2268 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2269 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2270 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
d0c6d424
MR
2271 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2272 k8|opteron|athlon64|athlon-fx)
2273 echo -xarch=sse2a ;;
2274 athlon*) echo -xarch=pentium_proa ;;
2275 esac
2276 ;;
2277 -std=c99) echo -xc99 ;;
2278 -fomit-frame-pointer) echo -xregs=frameptr ;;
2279 -fPIC) echo -KPIC -xcode=pic32 ;;
2280 -W*,*) echo $flag ;;
5e753ed5
SM
2281 -f*-*|-W*|-mimpure-text) ;;
2282 -shared) echo -G ;;
d0c6d424
MR
2283 *) echo $flag ;;
2284 esac
2285 done
2286}
2287
2288tms470_flags(){
2289 for flag; do
2290 case $flag in
2291 -march=*|-mcpu=*)
2292 case "${flag#*=}" in
2293 armv7-a|cortex-a*) echo -mv=7a8 ;;
2294 armv7-r|cortex-r*) echo -mv=7r4 ;;
2295 armv7-m|cortex-m*) echo -mv=7m3 ;;
2296 armv6*|arm11*) echo -mv=6 ;;
2297 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2298 echo -mv=5e ;;
2299 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2300 esac
2301 ;;
2302 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2303 -mfpu=vfp) echo --float_support=vfpv2 ;;
2304 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2305 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2306 -msoft-float) echo --float_support=vfplib ;;
2307 -O[0-3]|-mf=*) echo $flag ;;
2308 -g) echo -g -mn ;;
2309 -pds=*) echo $flag ;;
ad93dccb
MR
2310 -D*|-I*) echo $flag ;;
2311 --gcc|--abi=*) echo $flag ;;
2312 -me) echo $flag ;;
d0c6d424
MR
2313 esac
2314 done
2315}
2316
a758c5e2
MR
2317probe_cc(){
2318 pfx=$1
2319 _cc=$2
2320
8db73c61
MR
2321 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2322 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2323 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2324 _flags_filter=echo
2325
2326 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2327 _type=llvm_gcc
2328 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2329 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2330 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2331 _cflags_speed='-O3'
2332 _cflags_size='-Os'
2333 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2334 _type=gcc
2335 gcc_version=$($_cc --version | head -n1)
2336 gcc_basever=$($_cc -dumpversion)
2337 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2338 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2339 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2340 if ! $_cc -dumpversion | grep -q '^2\.'; then
2341 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2342 fi
2343 _cflags_speed='-O3'
2344 _cflags_size='-Os'
2345 elif $_cc --version 2>/dev/null | grep -q Intel; then
2346 _type=icc
2347 _ident=$($_cc --version | head -n1)
2348 _depflags='-MMD'
2349 _cflags_speed='-O3'
2350 _cflags_size='-Os'
2351 _cflags_noopt='-O1'
2352 elif $_cc -v 2>&1 | grep -q xlc; then
2353 _type=xlc
2354 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2355 _cflags_speed='-O5'
2356 _cflags_size='-O5 -qcompact'
2357 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2358 _type=ccc
2359 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2360 _DEPFLAGS='-M'
a758c5e2
MR
2361 _cflags_speed='-fast'
2362 _cflags_size='-O1'
457cc333 2363 _flags_filter=ccc_flags
a758c5e2
MR
2364 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2365 test -d "$sysroot" || die "No valid sysroot specified."
2366 _type=armcc
2367 _ident=$($_cc --vsn | head -n1)
2368 armcc_conf="$PWD/armcc.conf"
2369 $_cc --arm_linux_configure \
2370 --arm_linux_config_file="$armcc_conf" \
2371 --configure_sysroot="$sysroot" \
2372 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2373 die "Error creating armcc configuration file."
2374 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2375 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2376 as_default="${cross_prefix}gcc"
2377 _depflags='-MMD'
2378 _cflags_speed='-O3'
2379 _cflags_size='-Os'
0122118e 2380 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2381 _type=tms470
2382 _ident=$($_cc -version | head -n1 | tr -s ' ')
2383 _flags='--gcc --abi=eabi -me'
18031c49 2384 _cc_e='-ppl -fe=$@'
a758c5e2 2385 _cc_o='-fe=$@'
a758c5e2
MR
2386 _depflags='-ppa -ppd=$(@:.o=.d)'
2387 _cflags_speed='-O3 -mf=5'
2388 _cflags_size='-O3 -mf=2'
2389 _flags_filter=tms470_flags
2390 elif $_cc -v 2>&1 | grep -q clang; then
2391 _type=clang
2392 _ident=$($_cc --version | head -n1)
2393 _depflags='-MMD'
2394 _cflags_speed='-O3'
2395 _cflags_size='-Os'
2396 elif $_cc -V 2>&1 | grep -q Sun; then
2397 _type=suncc
2398 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2399 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2400 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2401 _ldflags='-std=c99'
2402 _cflags_speed='-O5'
2403 _cflags_size='-O5 -xspace'
2404 _flags_filter=suncc_flags
2405 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2406 _type=pathscale
2407 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2408 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2409 _cflags_speed='-O2'
2410 _cflags_size='-Os'
2411 _flags_filter='filter_out -Wdisabled-optimization'
2412 elif $_cc -v 2>&1 | grep -q Open64; then
2413 _type=open64
2414 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2415 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2416 _cflags_speed='-O2'
2417 _cflags_size='-Os'
2418 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2419 elif $_cc -V 2>&1 | grep -q Portland; then
2420 _type=pgi
2421 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2422 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2423 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2424 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2425 _cflags_noopt="-O1"
2426 _flags_filter=pgi_flags
dfa559bc
RB
2427 elif $_cc 2>&1 | grep -q Microsoft; then
2428 _type=msvc
2429 _ident=$($cc 2>&1 | head -n1)
2430 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2431 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2432 _cflags_speed="-O2"
2433 _cflags_size="-O1"
2434 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2435 if $_cc 2>&1 | grep -q Linker; then
2436 _ld_o='-out $@'
2437 else
2438 _ld_o='-Fe$@'
2439 fi
2440 _cc_o='-Fo $@'
a224b2cb 2441 _cc_e='-P -Fi $@'
dfa559bc
RB
2442 _flags_filter=msvc_flags
2443 _ld_lib='lib%.a'
2444 _ld_path='-libpath:'
2445 _flags='-nologo'
2446 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2447 if [ $pfx = hostcc ]; then
6a0200f2 2448 append _cflags -Dsnprintf=_snprintf
dfa559bc 2449 fi
aef6bd1b 2450 fi
a758c5e2
MR
2451
2452 eval ${pfx}_type=\$_type
2453 eval ${pfx}_ident=\$_ident
2454}
2455
2456set_ccvars(){
23565c26 2457 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2458 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2459 eval ${1}_O=\${_cc_o-\${${1}_O}}
2460
2461 if [ -n "$_depflags" ]; then
2462 eval ${1}_DEPFLAGS=\$_depflags
2463 else
2464 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2465 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2466 eval DEP${1}FLAGS=\$_flags
2467 fi
2468}
2469
2470probe_cc cc "$cc"
2471cflags_filter=$_flags_filter
2472cflags_speed=$_cflags_speed
2473cflags_size=$_cflags_size
2474cflags_noopt=$_cflags_noopt
2475add_cflags $_flags $_cflags
2476cc_ldflags=$_ldflags
2477set_ccvars CC
2478
2479probe_cc hostcc "$host_cc"
2480host_cflags_filter=$_flags_filter
a758c5e2 2481add_host_cflags $_flags $_cflags
a758c5e2 2482set_ccvars HOSTCC
629687f6 2483
851ffa80
MR
2484test -n "$cc_type" && enable $cc_type ||
2485 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2486
75bafbac 2487: ${as_default:=$cc}
50567afa 2488: ${dep_cc_default:=$cc}
684b28e0 2489: ${ld_default:=$cc}
095792f2
MR
2490: ${host_ld_default:=$host_cc}
2491set_default ar as dep_cc ld host_ld
75800dce 2492
a758c5e2
MR
2493probe_cc as "$as"
2494asflags_filter=$_flags_filter
2495add_asflags $_flags $_cflags
2496set_ccvars AS
2497
2498probe_cc ld "$ld"
2499ldflags_filter=$_flags_filter
2500add_ldflags $_flags $_ldflags
2501test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2502LD_O=${_ld_o-$LD_O}
8db73c61
MR
2503LD_LIB=${_ld_lib-$LD_LIB}
2504LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2505
095792f2
MR
2506probe_cc hostld "$host_ld"
2507host_ldflags_filter=$_flags_filter
2508add_host_ldflags $_flags $_ldflags
2509HOSTLD_O=${_ld_o-$HOSTLD_O}
2510
a758c5e2
MR
2511if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2512 probe_cc depcc "$dep_cc"
2513 CCDEP=${_DEPCMD:-$DEPCMD}
2514 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2515 DEPCCFLAGS=$_flags
2516fi
07dec06e 2517
3dbc777c
MR
2518if $ar 2>&1 | grep -q Microsoft; then
2519 arflags="-nologo"
2520 ar_o='-out:$@'
2521elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2522 arflags="rq"
2523 ar_o='$@'
2524else
2525 arflags="rc"
2526 ar_o='$@'
2527fi
2528
7f32f40c 2529add_cflags $extra_cflags
2f2e6c7c 2530add_asflags $extra_cflags
7f32f40c 2531
154d432c
MR
2532if test -n "$sysroot"; then
2533 case "$cc_type" in
00ba041c 2534 gcc|llvm_gcc|clang)
467256f2 2535 add_cppflags --sysroot="$sysroot"
154d432c
MR
2536 add_ldflags --sysroot="$sysroot"
2537 ;;
6fec122a
MR
2538 tms470)
2539 add_cppflags -I"$sysinclude"
2540 add_ldflags --sysroot="$sysroot"
2541 ;;
154d432c
MR
2542 esac
2543fi
2544
d22c13a8
MR
2545if test "$cpu" = host; then
2546 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2547
2548 case "$cc_type" in
613a4e3f 2549 gcc|llvm_gcc)
d22c13a8
MR
2550 check_native(){
2551 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2552 sed -n "/cc1.*$1=/{
27ce1be8
MR
2553 s/.*$1=\\([^ ]*\\).*/\\1/
2554 p
2555 q
2556 }" $TMPE
d22c13a8
MR
2557 }
2558 cpu=$(check_native -march || check_native -mcpu)
2559 ;;
2560 esac
2561
2562 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2563fi
2564
e939cedd
MR
2565# Deal with common $arch aliases
2566case "$arch" in
5873b623
MR
2567 aarch64|arm64)
2568 arch="aarch64"
2569 ;;
e939cedd
MR
2570 arm*)
2571 arch="arm"
2572 ;;
2acda282 2573 mips*|IP*)
e939cedd
MR
2574 arch="mips"
2575 ;;
a6e9d649 2576 parisc*|hppa*)
e939cedd
MR
2577 arch="parisc"
2578 ;;
56203596 2579 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2580 arch="ppc"
2581 ;;
e939cedd
MR
2582 s390|s390x)
2583 arch="s390"
2584 ;;
2585 sh4|sh)
2586 arch="sh4"
2587 ;;
4cd217c0 2588 sun4u|sparc*)
e939cedd 2589 arch="sparc"
e939cedd 2590 ;;
c75848cd
DB
2591 tilegx|tile-gx)
2592 arch="tilegx"
2593 ;;
d33ed7b3 2594 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2595 arch="x86"
2596 ;;
2597esac
2598
851ffa80 2599is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2600enable $arch
e939cedd 2601
df5cdc24 2602# Add processor-specific flags
9ebd45c2 2603if enabled aarch64; then
33db40f8
MR
2604
2605 case $cpu in
2606 armv*)
2607 cpuflags="-march=$cpu"
2608 ;;
2609 *)
2610 cpuflags="-mcpu=$cpu"
2611 ;;
2612 esac
2613
2614elif enabled alpha; then
2615
2616 cpuflags="-mcpu=$cpu"
2617
2618elif enabled arm; then
2619
1234c66a
MR
2620 check_arm_arch() {
2621 check_cpp_condition stddef.h \
2622 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2623 $cpuflags
2624 }
2625
2626 probe_arm_arch() {
2627 if check_arm_arch 4; then echo armv4;
2628 elif check_arm_arch 4T; then echo armv4t;
2629 elif check_arm_arch 5; then echo armv5;
2630 elif check_arm_arch 5E; then echo armv5e;
2631 elif check_arm_arch 5T; then echo armv5t;
2632 elif check_arm_arch 5TE; then echo armv5te;
2633 elif check_arm_arch 5TEJ; then echo armv5te;
2634 elif check_arm_arch 6; then echo armv6;
2635 elif check_arm_arch 6J; then echo armv6j;
2636 elif check_arm_arch 6K; then echo armv6k;
2637 elif check_arm_arch 6Z; then echo armv6z;
2638 elif check_arm_arch 6ZK; then echo armv6zk;
2639 elif check_arm_arch 6T2; then echo armv6t2;
2640 elif check_arm_arch 7; then echo armv7;
2641 elif check_arm_arch 7A 7_A; then echo armv7-a;
2642 elif check_arm_arch 7R 7_R; then echo armv7-r;
2643 elif check_arm_arch 7M 7_M; then echo armv7-m;
2644 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2645 elif check_arm_arch 8A 8_A; then echo armv8-a;
2646 fi
2647 }
2648
2649 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2650
33db40f8
MR
2651 case $cpu in
2652 armv*)
2653 cpuflags="-march=$cpu"
2654 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2655 ;;
2656 *)
2657 cpuflags="-mcpu=$cpu"
2658 case $cpu in
2659 cortex-a*) subarch=armv7a ;;
2660 cortex-r*) subarch=armv7r ;;
2661 cortex-m*) enable thumb; subarch=armv7m ;;
2662 arm11*) subarch=armv6 ;;
2663 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2664 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 2665 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
2666 esac
2667 ;;
2668 esac
2669
f0fe245b
MR
2670 case "$subarch" in
2671 armv5t*) enable fast_clz ;;
2672 armv[6-8]*) enable fast_clz fast_unaligned ;;
2673 esac
2674
33db40f8
MR
2675elif enabled avr32; then
2676
2677 case $cpu in
2678 ap7[02]0[0-2])
2679 subarch="avr32_ap"
2680 cpuflags="-mpart=$cpu"
2681 ;;
2682 ap)
2683 subarch="avr32_ap"
2684 cpuflags="-march=$cpu"
2685 ;;
2686 uc3[ab]*)
2687 subarch="avr32_uc"
2688 cpuflags="-mcpu=$cpu"
2689 ;;
2690 uc)
2691 subarch="avr32_uc"
2692 cpuflags="-march=$cpu"
2693 ;;
2694 esac
2695
2696elif enabled bfin; then
2697
2698 cpuflags="-mcpu=$cpu"
2699
2700elif enabled mips; then
2701
2702 cpuflags="-march=$cpu"
2703
5d54c126 2704elif enabled ppc; then
343aef9b 2705
56348891
MR
2706 case $(tolower $cpu) in
2707 601|ppc601|powerpc601)
9dbd5c3d 2708 cpuflags="-mcpu=601"
64ad53ff 2709 disable altivec
9dbd5c3d 2710 ;;
56348891 2711 603*|ppc603*|powerpc603*)
9dbd5c3d 2712 cpuflags="-mcpu=603"
64ad53ff 2713 disable altivec
9dbd5c3d 2714 ;;
56348891 2715 604*|ppc604*|powerpc604*)
9dbd5c3d 2716 cpuflags="-mcpu=604"
64ad53ff 2717 disable altivec
9dbd5c3d 2718 ;;
56348891 2719 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 2720 cpuflags="-mcpu=750"
64ad53ff 2721 disable altivec
9dbd5c3d 2722 ;;
56348891 2723 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 2724 cpuflags="-mcpu=7450"
9dbd5c3d 2725 ;;
56348891 2726 74*|ppc74*|powerpc74*)
7f1fcaf0 2727 cpuflags="-mcpu=7400"
9dbd5c3d 2728 ;;
313f9fbf 2729 g5|970|ppc970|powerpc970)
7f1fcaf0 2730 cpuflags="-mcpu=970"
9dbd5c3d 2731 ;;
313f9fbf 2732 power[3-7]*)
7f1fcaf0 2733 cpuflags="-mcpu=$cpu"
313f9fbf 2734 ;;
56348891 2735 cell)
9dbd5c3d
MR
2736 cpuflags="-mcpu=cell"
2737 enable ldbrx
2738 ;;
4ab26cb4
DB
2739 e500mc)
2740 cpuflags="-mcpu=e500mc"
2741 disable altivec
2742 ;;
7b0b81a1
AL
2743 e500v2)
2744 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2745 disable altivec
2746 ;;
2747 e500)
2748 cpuflags="-mcpu=8540 -mhard-float"
2749 disable altivec
2750 ;;
9dbd5c3d 2751 esac
343aef9b 2752
33db40f8
MR
2753elif enabled sparc; then
2754
2755 case $cpu in
2756 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2757 cpuflags="-mcpu=$cpu"
2758 disable vis
2759 ;;
2760 ultrasparc*|niagara[234])
2761 cpuflags="-mcpu=$cpu"
2762 ;;
2763 esac
2764
343aef9b
MR
2765elif enabled x86; then
2766
9dbd5c3d
MR
2767 case $cpu in
2768 i[345]86|pentium)
2769 cpuflags="-march=$cpu"
2770 disable mmx
2771 ;;
2772 # targets that do NOT support conditional mov (cmov)
2773 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2774 cpuflags="-march=$cpu"
2775 disable cmov
2776 ;;
2777 # targets that do support conditional mov (cmov)
f2ce813e 2778 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d
MR
2779 cpuflags="-march=$cpu"
2780 enable cmov
2781 enable fast_cmov
2782 ;;
2783 # targets that do support conditional mov but on which it's slow
2784 pentium4|pentium4m|prescott|nocona)
2785 cpuflags="-march=$cpu"
2786 enable cmov
2787 disable fast_cmov
2788 ;;
2789 esac
343aef9b 2790
343aef9b
MR
2791fi
2792
9ebd45c2
MR
2793if [ "$cpu" != generic ]; then
2794 add_cflags $cpuflags
2795 add_asflags $cpuflags
2796fi
df5cdc24 2797
993f2d0f
MR
2798# compiler sanity check
2799check_exec <<EOF
2800int main(void){ return 0; }
2801EOF
2802if test "$?" != 0; then
2803 echo "$cc is unable to create an executable file."
2804 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2805 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2806 echo "Only do this if you know what cross compiling means."
2807 fi
2808 die "C compiler test failed."
2809fi
2810
046f081b 2811add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2812check_cflags -std=c99
50a334e4 2813check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2814#include <stdlib.h>
2815EOF
50a334e4 2816check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2817#include <stdlib.h>
2818EOF
e9b9a2f8 2819
f0125de9 2820check_host_cflags -std=c99
0a6db2a2 2821check_host_cflags -Wall
f0125de9 2822
d4c99513
MR
2823check_64bit(){
2824 arch32=$1
2825 arch64=$2
2826 expr=$3
2827 check_code cc "" "int test[2*($expr) - 1]" &&
2828 subarch=$arch64 || subarch=$arch32
2829}
2830
b24dbcbd 2831case "$arch" in
d11cb13b 2832 aarch64|alpha|ia64)
2acda282
MR
2833 spic=$shared
2834 ;;
2835 mips)
2836 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 2837 spic=$shared
b24dbcbd 2838 ;;
a6e9d649
MR
2839 parisc)
2840 check_64bit parisc parisc64 'sizeof(void *) > 4'
2841 spic=$shared
2842 ;;
56203596
MR
2843 ppc)
2844 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 2845 spic=$shared
56203596 2846 ;;
4cd217c0
MR
2847 sparc)
2848 check_64bit sparc sparc64 'sizeof(void *) > 4'
2849 spic=$shared
2850 ;;
e939cedd 2851 x86)
d4c99513 2852 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 2853 if test "$subarch" = "x86_64"; then
e939cedd 2854 spic=$shared
de27f4d9 2855 fi
b24dbcbd 2856 ;;
b24dbcbd
RP
2857esac
2858
343aef9b 2859enable $subarch
8a3c8627 2860enabled spic && enable pic
b24dbcbd 2861
7483e694 2862# OS specific
4f854758 2863case $target_os in
a1629e28 2864 haiku)
63ae7e7c 2865 prefix_default="/boot/common"
108caaaa 2866 network_extralibs="-lnetwork"
f59c4bd6 2867 host_libs=
a1629e28 2868 ;;
7483e694 2869 sunos)
4d58e4cb 2870 AVSERVERLDFLAGS=""
9987769a 2871 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2872 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2873 network_extralibs="-lsocket -lnsl"
779222db 2874 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2875 # When using suncc to build, the Solaris linker will mark
2876 # an executable with each instruction set encountered by
2877 # the Solaris assembler. As our libraries contain their own
2878 # guards for processor-specific code, instead suppress
2879 # generation of the HWCAPS ELF section on Solaris x86 only.
2880 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2a8a860a 2881 nm_default='nm -P -g'
7483e694
DB
2882 ;;
2883 netbsd)
a1e4b3f6 2884 disable symver
07a8eef6
MR
2885 oss_indev_extralibs="-lossaudio"
2886 oss_outdev_extralibs="-lossaudio"
7483e694 2887 ;;
d488c3bc 2888 openbsd|bitrig)
a1e4b3f6 2889 disable symver
7483e694 2890 SHFLAGS='-shared'
69dca3a4 2891 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
d5683aba 2892 SLIB_INSTALL_LINKS=
07a8eef6
MR
2893 oss_indev_extralibs="-lossaudio"
2894 oss_outdev_extralibs="-lossaudio"
7483e694 2895 ;;
a1e4b3f6 2896 dragonfly)
a1e4b3f6
MR
2897 disable symver
2898 ;;
2899 freebsd)
7483e694
DB
2900 ;;
2901 bsd/os)
355d81df 2902 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2903 ;;
2904 darwin)
301ab19d 2905 gas="gas-preprocessor.pl $cc"
e08b8239 2906 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2907 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2908 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2909 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2910 SLIBSUF=".dylib"
2911 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2912 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2913 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2914 objformat="macho"
1b0f6fb8 2915 enabled x86_64 && objformat="macho64"
8dfa86f7 2916 enabled_any pic shared ||
2704bd1a 2917 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2918 ;;
2919 mingw32*)
9d3f4f50 2920 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2921 disable network
2922 else
2923 target_os=mingw32
2924 fi
dcc01c06 2925 LIBTARGET=i386
1fc9fb8a 2926 if enabled x86_64; then
417516f6 2927 LIBTARGET="i386:x86-64"
336cc1b0 2928 elif enabled arm; then
15c5156d 2929 LIBTARGET=arm-wince
dcc01c06 2930 fi
fbd971a4 2931 shlibdir_default="$bindir_default"
7483e694
DB
2932 SLIBPREF=""
2933 SLIBSUF=".dll"
7483e694
DB
2934 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2935 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
eb7018d2 2936 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2f138f0b
MR
2937 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2938 SLIB_INSTALL_LINKS=
2939 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2940 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
eb7018d2 2941 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2942 objformat="win32"
ec10a9ab 2943 dlltool="${cross_prefix}dlltool"
a3222470 2944 ranlib=:
bc574408 2945 enable dos_paths
7483e694 2946 ;;
53e8cd68 2947 win32|win64)
d66c52c2
MS
2948 if enabled shared; then
2949 # Link to the import library instead of the normal static library
2950 # for shared libs.
2951 LD_LIB='%.lib'
2952 # Cannot build shared and static libraries at the same time with
2953 # MSVC.
2954 disable static
2955 fi
2956 shlibdir_default="$bindir_default"
2957 SLIBPREF=""
2958 SLIBSUF=".dll"
2959 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2960 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2961 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
2962 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2963 SLIB_INSTALL_LINKS=
2964 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2965 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2966 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
53e8cd68
MS
2967 objformat="win32"
2968 ranlib=:
2969 enable dos_paths
2970 ;;
7483e694 2971 cygwin*)
4f854758 2972 target_os=cygwin
fbd971a4 2973 shlibdir_default="$bindir_default"
7483e694
DB
2974 SLIBPREF="cyg"
2975 SLIBSUF=".dll"
2976 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2977 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
2978 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2979 SLIB_INSTALL_LINKS=
2980 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2981 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 2982 objformat="win32"
bc574408 2983 enable dos_paths
7483e694 2984 ;;
4f365f37 2985 *-dos|freedos|opendos)
4f365f37 2986 network_extralibs="-lsocket"
ff1c015d 2987 objformat="coff"
bc574408 2988 enable dos_paths
a7a187a1 2989 add_cppflags -U__STRICT_ANSI__
4f365f37 2990 ;;
7483e694 2991 linux)
7483e694
DB
2992 enable dv1394
2993 ;;
2994 irix*)
4f854758 2995 target_os=irix
7483e694
DB
2996 ranlib="echo ignoring ranlib"
2997 ;;
d22e8442 2998 os/2*)
d22e8442 2999 ln_s="cp -f"
9297f1ed 3000 objformat="aout"
e14574eb 3001 add_cppflags -D_GNU_SOURCE
355d81df 3002 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 3003 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 3004 AVSERVERLDFLAGS=""
287d3b13 3005 LIBSUF="_s.a"
d22e8442
DY
3006 SLIBPREF=""
3007 SLIBSUF=".dll"
3008 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3009 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62 3010 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
f69f51b3
DB
3011 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3012 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3013 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3014 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3015 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
71c61f62 3016 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
f69f51b3 3017 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 3018 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 3019 enable dos_paths
d22e8442 3020 ;;
83993c1c 3021 gnu/kfreebsd)
3bd1eacd 3022 add_cppflags -D_BSD_SOURCE
83993c1c 3023 ;;
34e82167 3024 gnu)
34e82167 3025 ;;
d33ed7b3
MR
3026 qnx)
3027 add_cppflags -D_QNX_SOURCE
3028 network_extralibs="-lsocket"
3029 ;;
1c69c79f
MS
3030 symbian)
3031 SLIBSUF=".dll"
3032 enable dos_paths
e3bc07f4
MS
3033 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3034 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3035 add_ldflags -Wl,--target1-abs,--no-undefined \
3036 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3037 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3038 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3039 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3040 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 3041 ;;
fdd66609
MR
3042 osf1)
3043 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3044 AVSERVERLDFLAGS=
3045 ;;
741a8b72
MR
3046 minix)
3047 ;;
4ebc6a74
MR
3048 plan9)
3049 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3050 -D_REENTRANT_SOURCE \
3051 -D_RESEARCH_SOURCE \
3052 -DFD_SETSIZE=96 \
3053 -DHAVE_SOCK_OPTS
3054 add_compat strtod.o strtod=avpriv_strtod
3055 network_extralibs='-lbsd'
3056 exeobjs=compat/plan9/main.o
3057 disable avserver
3058 ln_s='ln -s -f'
3059 cp_f='cp'
3060 ;;
614d8911
MR
3061 none)
3062 ;;
7483e694 3063 *)
4f924f9a 3064 die "Unknown OS '$target_os'."
7483e694
DB
3065 ;;
3066esac
3067
b797f3c4
MR
3068# determine libc flavour
3069
197252f1 3070# uclibc defines __GLIBC__, so it needs to be checked before glibc.
b797f3c4
MR
3071if check_cpp_condition features.h "defined __UCLIBC__"; then
3072 libc_type=uclibc
3bd1eacd 3073 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3074elif check_cpp_condition features.h "defined __GLIBC__"; then
3075 libc_type=glibc
3bd1eacd 3076 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
29f1fa74
DB
3077# MinGW headers can be installed on Cygwin, so check for newlib first.
3078elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3079 libc_type=newlib
3080 add_cppflags -U__STRICT_ANSI__
b797f3c4
MR
3081elif check_header _mingw.h; then
3082 libc_type=mingw
3083 check_cpp_condition _mingw.h \
3084 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3085 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3086 die "ERROR: MinGW runtime version must be >= 3.15."
759a3a21 3087 add_cppflags -U__STRICT_ANSI__
4fa661a8
RB
3088elif check_func_headers stdlib.h _get_doserrno; then
3089 libc_type=msvcrt
84e65c76
MR
3090 add_compat strtod.o strtod=avpriv_strtod
3091 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3092 _snprintf=avpriv_snprintf \
3093 vsnprintf=avpriv_vsnprintf
b797f3c4
MR
3094elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3095 libc_type=klibc
3096fi
3097
3098test -n "$libc_type" && enable $libc_type
3099
5ab432fa
MR
3100# hacks for compiler/libc/os combinations
3101
3102if enabled_all tms470 glibc; then
b6f8d635 3103 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5ab432fa
MR
3104 add_cppflags -D__USER_LABEL_PREFIX__=
3105 add_cppflags -D__builtin_memset=memset
3106 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3107 add_cflags -pds=48 # incompatible redefinition of macro
3108fi
3109
457cc333
MR
3110if enabled_all ccc glibc; then
3111 add_ldflags -Wl,-z,now # calls to libots crash without this
3112fi
3113
6555acad
MR
3114esc(){
3115 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3116}
3117
3118echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 3119
13cb2187
AS
3120check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3121
c9d19248 3122set_default $PATHS_LIST
2a8a860a 3123set_default nm
c9d19248 3124
320d060a 3125# we need to build at least one lib type
93b3c083 3126if ! enabled_any static shared; then
320d060a
DB
3127 cat <<EOF
3128At least one library type must be built.
3129Specify --enable-static to build the static libraries or --enable-shared to
3130build the shared libraries as well. To only build the shared libraries specify
3131--disable-static in addition to --enable-shared.
3132EOF
3133 exit 1;
3134fi
3135
2184c6f7 3136die_license_disabled() {
4c27207c 3137 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
3138}
3139
e417d80d 3140die_license_disabled gpl libcdio
2184c6f7 3141die_license_disabled gpl libx264
de295976 3142die_license_disabled gpl libxavs
2184c6f7 3143die_license_disabled gpl libxvid
2184c6f7
DB
3144die_license_disabled gpl x11grab
3145
2f7ae63b 3146die_license_disabled nonfree libfaac
87246953 3147die_license_disabled nonfree libfdk_aac
a060866f 3148die_license_disabled nonfree openssl
b2e3c528 3149
0b175caa
DB
3150die_license_disabled version3 libopencore_amrnb
3151die_license_disabled version3 libopencore_amrwb
d89e738a 3152die_license_disabled version3 libvo_aacenc
f502ff3f 3153die_license_disabled version3 libvo_amrwbenc
0b175caa 3154
9cad0e4e 3155enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 3156
40617a6d 3157disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 3158
e276d9e8
MR
3159enable_pic() {
3160 enable pic
bce7b696
MR
3161 add_cppflags -DPIC
3162 add_cflags -fPIC
3163 add_asflags -fPIC
e276d9e8
MR
3164}
3165
3166enabled pic && enable_pic
bce7b696 3167
b4d96ba2
MR
3168check_cc <<EOF || die "Symbol mangling check failed."
3169int ff_extern;
3170EOF
2a8a860a 3171sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
3172extern_prefix=${sym%%ff_extern*}
3173
afb5ed55 3174check_cc <<EOF && enable_weak inline_asm
f65883c8
MR
3175void foo(void) { __asm__ volatile ("" ::); }
3176EOF
61d251db 3177
df5e3978
MR
3178_restrict=
3179for restrict_keyword in restrict __restrict__ __restrict; do
3180 check_cc <<EOF && _restrict=$restrict_keyword && break
3181void foo(char * $restrict_keyword p);
3182EOF
3183done
3184
3185check_cc <<EOF && enable attribute_packed
3186struct { int x; } __attribute__((packed)) x;
3187EOF
3188
dffb41b9
MR
3189check_cc <<EOF && enable attribute_may_alias
3190union { int x; } __attribute__((may_alias)) x;
3191EOF
3192
df5e3978
MR
3193check_cc <<EOF || die "endian test failed"
3194unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3195EOF
48fc536a 3196od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 3197
e939cedd
MR
3198if enabled alpha; then
3199
3200 check_cflags -mieee
3201
3202elif enabled arm; then
e45391bb 3203
66371c28 3204 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
8986fddc 3205 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 3206 nogas=die
50fa82e6 3207
44caaa56
MR
3208 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3209 enable vfp_args
3210 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3211 case "${cross_prefix:-$cc}" in
3212 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3213 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
3214__asm__ (".eabi_attribute 28, 1");
3215int main(void) { return 0; }
3216EOF
44caaa56
MR
3217 esac
3218 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3219 fi
fa0912fe 3220
7f2b3dca
MR
3221 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3222 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3223 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
7f2b3dca 3224 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
b3267559 3225 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
7f2b3dca
MR
3226 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3227
b57c1da8
MR
3228 [ $target_os = linux ] ||
3229 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3230 $ARCH_EXT_LIST_ARM
e45391bb 3231
575db883
DB
3232 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3233 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
6308729e 3234
e276d9e8
MR
3235 enabled_all armv6t2 shared !pic && enable_pic
3236
fa0912fe 3237elif enabled mips; then
e45391bb 3238
575db883 3239 check_inline_asm loongson '"dmult.g $1, $2, $3"'
e45391bb 3240
5af530f5
MR
3241elif enabled parisc; then
3242
3243 if enabled gcc; then
3244 case $($cc -dumpversion) in
3245 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3246 esac
3247 fi
3248
fa0912fe 3249elif enabled ppc; then
e45391bb 3250
e6a0c354
MR
3251 enable local_aligned_8 local_aligned_16
3252
575db883
DB
3253 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3254 check_inline_asm ibm_asm '"add 0, 0, 0"'
3255 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3256 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
3257
3258 # AltiVec flags: The FSF version of GCC differs from the Apple version
3259 if enabled altivec; then
301ab19d 3260 nogas=warn
fa0912fe
MR
3261 check_cflags -maltivec -mabi=altivec &&
3262 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3263 check_cflags -faltivec
3264
3265 # check if our compiler supports Motorola AltiVec C API
3266 check_cc <<EOF || disable altivec
3267$inc_altivec_h
3268int main(void) {
20bcce50
MR
3269 vector signed int v1 = (vector signed int) { 0 };
3270 vector signed int v2 = (vector signed int) { 1 };
3271 v1 = vec_add(v1, v2);
fa0912fe
MR
3272 return 0;
3273}
3274EOF
3275
20bcce50 3276 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
fa0912fe 3277 fi
e45391bb 3278
fa0912fe 3279elif enabled sparc; then
e45391bb 3280
6aa93689 3281 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
e45391bb 3282
fa0912fe 3283elif enabled x86; then
e45391bb 3284
8e85ba8d
DB
3285 check_code ld intrin.h "__rdtsc()" && enable rdtsc
3286
f80ddd5b
RB
3287 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
3288
e6a0c354
MR
3289 enable local_aligned_8 local_aligned_16
3290
44965991
PI
3291 # check whether EBP is available on x86
3292 # As 'i' is stored on the stack, this program will crash
3293 # if the base pointer is used to access it because the
3294 # base pointer is cleared in the inline assembly code.
7dfef245 3295 check_exec_crash <<EOF && enable ebp_available
f69f51b3
DB
3296volatile int i=0;
3297__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3298return i;
44965991
PI
3299EOF
3300
f494213c 3301 # check whether EBX is available on x86
575db883
DB
3302 check_inline_asm ebx_available '""::"b"(0)' &&
3303 check_inline_asm ebx_available '"":::"%ebx"'
8e380710 3304
6f74fb03 3305 # check whether xmm clobbers are supported
575db883 3306 check_inline_asm xmm_clobbers '"":::"%xmm0"'
6f74fb03 3307
239fdf1b 3308 # check whether binutils is new enough to compile SSSE3/MMXEXT
43b73d59
DB
3309 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3310 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
6bd859d6 3311
9cca1e40 3312 if ! disabled_any asm mmx yasm; then
b6c06894
MR
3313 if check_cmd $yasmexe --version; then
3314 enabled x86_64 && yasm_extra="-m amd64"
3315 yasm_debug="-g dwarf2"
3316 elif check_cmd nasm -v; then
3317 yasmexe=nasm
3318 yasm_debug="-g -F dwarf"
3319 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3320 fi
3321