output-example: Update to use encode_video2 instead of the now dropped encode_video
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 4#
949906ea
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
79ab96ba
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
070c5d0f 47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
505dfb09 48 echo "Instead, install a working POSIX-compatible shell."
070c5d0f 49 echo "Disabling this configure test will create a broken Libav."
c21d6325
MR
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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54 exit 1
55fi
56
a77f01c7
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57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
06454877
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61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
3b327a4b
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66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
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80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
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84 --libdir=DIR install libs in DIR [PREFIX/lib]
85 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
86 --incdir=DIR install includes in DIR [PREFIX/include]
87 --mandir=DIR install man page in DIR [PREFIX/share/man]
88
3b327a4b 89Licensing options:
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90 --enable-gpl allow use of GPL code, the resulting libs
91 and binaries will be under GPL [no]
92 --enable-version3 upgrade (L)GPL to version 3 [no]
93 --enable-nonfree allow use of nonfree code, the resulting libs
94 and binaries will be unredistributable [no]
3b327a4b
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95
96Configuration options:
97 --disable-static do not build static libraries [no]
98 --enable-shared build shared libraries [no]
99 --enable-small optimize for size instead of speed
100 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
844c6852 103 --disable-all disable building components, libraries and programs
3b327a4b 104
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105Program options:
106 --disable-programs do not build command line programs
6291d7e4 107 --disable-avconv disable avconv build
266463da 108 --disable-avplay disable avplay build
9e12f0bf 109 --disable-avprobe disable avprobe build
4d58e4cb 110 --disable-avserver disable avserver build
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111
112Component options:
113 --disable-doc do not build documentation
5a0f7131
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114 --disable-avdevice disable libavdevice build
115 --disable-avcodec disable libavcodec build
116 --disable-avformat disable libavformat build
d89f2fa9 117 --disable-avutil disable libavutil build
5a0f7131 118 --disable-swscale disable libswscale build
cccc039f 119 --disable-avfilter disable video filter support [no]
c8af852b 120 --disable-avresample disable libavresample build [no]
0dbfc1db 121 --disable-pthreads disable pthreads [auto]
7b7b220c 122 --disable-w32threads disable Win32 threads [auto]
06454877 123 --disable-network disable network support [no]
7f3f5f46 124 --disable-dct disable DCT code
193cdd9a 125 --disable-lsp disable LSP code
2a91ada8 126 --disable-lzo disable LZO decoder code
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127 --disable-mdct disable MDCT code
128 --disable-rdft disable RDFT code
3b327a4b 129 --disable-fft disable FFT code
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130
131Hardware accelerators:
3b327a4b 132 --enable-dxva2 enable DXVA2 code
dcb73592 133 --enable-vaapi enable VAAPI code
ac3dbb4d 134 --enable-vda enable VDA code
e8f6bd4b 135 --enable-vdpau enable VDPAU code
3b327a4b
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136
137Individual component options:
bb55e3a3 138 --disable-everything disable all components listed below
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139 --disable-encoder=NAME disable encoder NAME
140 --enable-encoder=NAME enable encoder NAME
141 --disable-encoders disable all encoders
142 --disable-decoder=NAME disable decoder NAME
143 --enable-decoder=NAME enable decoder NAME
144 --disable-decoders disable all decoders
145 --disable-hwaccel=NAME disable hwaccel NAME
146 --enable-hwaccel=NAME enable hwaccel NAME
147 --disable-hwaccels disable all hwaccels
148 --disable-muxer=NAME disable muxer NAME
149 --enable-muxer=NAME enable muxer NAME
150 --disable-muxers disable all muxers
151 --disable-demuxer=NAME disable demuxer NAME
152 --enable-demuxer=NAME enable demuxer NAME
153 --disable-demuxers disable all demuxers
154 --enable-parser=NAME enable parser NAME
155 --disable-parser=NAME disable parser NAME
156 --disable-parsers disable all parsers
157 --enable-bsf=NAME enable bitstream filter NAME
158 --disable-bsf=NAME disable bitstream filter NAME
159 --disable-bsfs disable all bitstream filters
160 --enable-protocol=NAME enable protocol NAME
161 --disable-protocol=NAME disable protocol NAME
162 --disable-protocols disable all protocols
3b327a4b 163 --enable-indev=NAME enable input device NAME
06454877 164 --disable-indev=NAME disable input device NAME
06454877 165 --disable-indevs disable input devices
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166 --enable-outdev=NAME enable output device NAME
167 --disable-outdev=NAME disable output device NAME
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168 --disable-outdevs disable output devices
169 --disable-devices disable all devices
170 --enable-filter=NAME enable filter NAME
171 --disable-filter=NAME disable filter NAME
172 --disable-filters disable all filters
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173
174External library support:
175 --enable-avisynth enable reading of AVISynth script files [no]
176 --enable-bzlib enable bzlib [autodetect]
47941088 177 --enable-frei0r enable frei0r video filtering
bc8c1395 178 --enable-gnutls enable gnutls [no]
e417d80d 179 --enable-libcdio enable audio CD grabbing with libcdio
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180 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
181 and libraw1394 [no]
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182 --enable-libfaac enable AAC encoding via libfaac [no]
183 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
a5b64584 184 --enable-libfreetype enable libfreetype [no]
c547e5ff 185 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 186 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 187 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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188 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
189 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
190 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 191 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
44617d6e 192 --enable-libopus enable Opus decoding via libopus [no]
7c922411 193 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 194 --enable-librtmp enable RTMP[E] support via librtmp [no]
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195 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
196 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 197 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 198 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 199 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
c547e5ff 200 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
3f111804 201 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
06454877 202 --enable-libx264 enable H.264 encoding via x264 [no]
de295976 203 --enable-libxavs enable AVS encoding via xavs [no]
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204 --enable-libxvid enable Xvid encoding via xvidcore,
205 native MPEG-4/Xvid encoder exists [no]
a060866f 206 --enable-openssl enable openssl [no]
45235ac4 207 --enable-x11grab enable X11 grabbing [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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DB
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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DB
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.
7e4d9d5d
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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
7bfc8ae6
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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
e155a21a
DB
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
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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
f868b24d
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411sanitize_var_name(){
412 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
413}
414
3f8040db
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415set_safe(){
416 var=$1
417 shift
f868b24d 418 eval $(sanitize_var_name "$var")='$*'
3f8040db
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419}
420
421get_safe(){
f868b24d 422 eval echo \$$(sanitize_var_name "$1")
3f8040db
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423}
424
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425pushvar(){
426 for var in $*; do
427 eval level=\${${var}_level:=0}
428 eval ${var}_${level}="\$$var"
429 eval ${var}_level=$(($level+1))
430 done
431}
432
433popvar(){
434 for var in $*; do
435 eval level=\${${var}_level:-0}
436 test $level = 0 && continue
437 eval level=$(($level-1))
438 eval $var="\${${var}_${level}}"
439 eval ${var}_level=$level
440 eval unset ${var}_${level}
441 done
442}
443
a8d04fba
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444enable(){
445 set_all yes $*
446}
447
448disable(){
449 set_all no $*
450}
451
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452enable_weak(){
453 set_weak yes $*
454}
455
456disable_weak(){
457 set_weak no $*
458}
459
72702705 460enable_safe(){
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MR
461 for var; do
462 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
463 done
72702705
MR
464}
465
466disable_safe(){
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MR
467 for var; do
468 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
469 done
72702705
MR
470}
471
f9d328da
MR
472do_enable_deep(){
473 for var; do
474 enabled $var && continue
475 eval sel="\$${var}_select"
c510c7b5
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476 eval sgs="\$${var}_suggest"
477 pushvar var sgs
f9d328da 478 enable_deep $sel
c510c7b5
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479 popvar sgs
480 enable_deep_weak $sgs
f9d328da
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481 popvar var
482 done
483}
484
485enable_deep(){
486 do_enable_deep $*
487 enable $*
488}
489
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490enable_deep_weak(){
491 do_enable_deep $*
492 enable_weak $*
493}
494
57bd82d4 495enabled(){
3250003c
MR
496 test "${1#!}" = "$1" && op== || op=!=
497 eval test "x\$${1#!}" $op "xyes"
44161118
MR
498}
499
37970ebf 500disabled(){
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MR
501 test "${1#!}" = "$1" && op== || op=!=
502 eval test "x\$${1#!}" $op "xno"
37970ebf
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503}
504
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505enabled_all(){
506 for opt; do
507 enabled $opt || return 1
508 done
509}
510
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511disabled_all(){
512 for opt; do
513 disabled $opt || return 1
514 done
515}
516
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517enabled_any(){
518 for opt; do
519 enabled $opt && return 0
520 done
521}
522
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523disabled_any(){
524 for opt; do
525 disabled $opt && return 0
526 done
f7b230a7 527 return 1
85bca2c5
DB
528}
529
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530set_default(){
531 for opt; do
88268e94 532 eval : \${$opt:=\$${opt}_default}
c9d19248
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533 done
534}
535
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AJ
536is_in(){
537 value=$1
538 shift
539 for var in $*; do
540 [ $var = $value ] && return 0
541 done
542 return 1
543}
544
d4f8cecc 545do_check_deps(){
30fd06be 546 for cfg; do
3250003c 547 cfg="${cfg#!}"
799c9e9b
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548 enabled ${cfg}_checking && die "Circular dependency for $cfg."
549 disabled ${cfg}_checking && continue
550 enable ${cfg}_checking
d4f8cecc 551 append allopts $cfg
799c9e9b 552
30fd06be
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553 eval dep_all="\$${cfg}_deps"
554 eval dep_any="\$${cfg}_deps_any"
7ef3425f 555 eval dep_sel="\$${cfg}_select"
c510c7b5 556 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
557 eval dep_ifa="\$${cfg}_if"
558 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 559
3d7453e0 560 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
d4f8cecc 561 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
3d7453e0 562 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 563
3d7453e0
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564 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
565 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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566 enabled_all $dep_all || disable $cfg
567 enabled_any $dep_any || disable $cfg
7ef3425f 568 disabled_any $dep_sel && disable $cfg
799c9e9b 569
4ec45764 570 if enabled $cfg; then
f9d328da 571 enable_deep $dep_sel
c510c7b5 572 enable_deep_weak $dep_sgs
4ec45764
RP
573 fi
574
799c9e9b 575 disable ${cfg}_checking
30fd06be
MR
576 done
577}
578
d4f8cecc
MR
579check_deps(){
580 unset allopts
581
582 do_check_deps "$@"
583
584 for cfg in $allopts; do
585 enabled $cfg || continue
586 eval dep_extralibs="\$${cfg}_extralibs"
587 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
588 done
589}
590
44161118
MR
591print_config(){
592 pfx=$1
72cfcf41
MR
593 files=$2
594 shift 2
f454e879
MR
595 map 'eval echo "$v \${$v:-no}"' "$@" |
596 awk "BEGIN { split(\"$files\", files) }
597 {
598 c = \"$pfx\" toupper(\$1);
599 v = \$2;
600 sub(/yes/, 1, v);
601 sub(/no/, 0, v);
602 for (f in files) {
603 file = files[f];
604 if (file ~ /\\.h\$/) {
605 printf(\"#define %s %d\\n\", c, v) >>file;
606 } else if (file ~ /\\.asm\$/) {
607 printf(\"%%define %s %d\\n\", c, v) >>file;
608 } else if (file ~ /\\.mak\$/) {
d16c4aeb 609 n = -v ? \"\" : \"!\";
f454e879
MR
610 printf(\"%s%s=yes\\n\", n, c) >>file;
611 }
612 }
613 }"
57bd82d4
MR
614}
615
31c0121d 616print_enabled(){
31c0121d
MR
617 suf=$1
618 shift
619 for v; do
9eda2a85 620 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
621 done
622}
623
57bd82d4
MR
624append(){
625 var=$1
626 shift
57bd82d4
MR
627 eval "$var=\"\$$var $*\""
628}
629
60361817
MR
630prepend(){
631 var=$1
632 shift
633 eval "$var=\"$* \$$var\""
634}
635
50a334e4 636add_cppflags(){
cd52ec95 637 append CPPFLAGS "$@"
50a334e4
MR
638}
639
57bd82d4 640add_cflags(){
01d31e16 641 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
642}
643
2f2e6c7c 644add_asflags(){
01d31e16 645 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
646}
647
57bd82d4 648add_ldflags(){
64933b6c 649 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
650}
651
652add_extralibs(){
64933b6c 653 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
654}
655
4cc4b33f
DB
656add_host_cppflags(){
657 append host_cppflags "$@"
658}
659
6c3fa06a
MR
660add_host_cflags(){
661 append host_cflags $($host_cflags_filter "$@")
662}
663
664add_host_ldflags(){
665 append host_ldflags $($host_ldflags_filter "$@")
666}
667
84e65c76
MR
668add_compat(){
669 append compat_objs $1
670 shift
671 map 'add_cppflags -D$v' "$@"
672}
673
b0cfb663 674check_cmd(){
b3cb5d51 675 log "$@"
2270b4b2 676 "$@" >> $logfile 2>&1
b0cfb663
MR
677}
678
b2704a65
MR
679cc_o(){
680 eval printf '%s\\n' $CC_O
681}
682
18031c49
MR
683cc_e(){
684 eval printf '%s\\n' $CC_E
685}
686
dcd479c0 687check_cc(){
57bd82d4 688 log check_cc "$@"
2270b4b2 689 cat > $TMPC
720c69da 690 log_file $TMPC
23565c26 691 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
692}
693
694check_cpp(){
695 log check_cpp "$@"
2270b4b2 696 cat > $TMPC
720c69da 697 log_file $TMPC
18031c49 698 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
699}
700
df0d6341
MR
701as_o(){
702 eval printf '%s\\n' $AS_O
703}
704
f65883c8
MR
705check_as(){
706 log check_as "$@"
7fd90119
MR
707 cat > $TMPS
708 log_file $TMPS
709 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
710}
711
575db883
DB
712check_inline_asm(){
713 log check_inline_asm "$@"
940f335a 714 name="$1"
3784e82e 715 code="$2"
940f335a 716 shift 2
49214f61 717 disable $name
7fd90119 718 check_cc "$@" <<EOF && enable $name
3784e82e 719void foo(void){ __asm__ volatile($code); }
940f335a
MR
720EOF
721}
722
c6ebc9fa
MR
723check_insn(){
724 log check_insn "$@"
725 check_inline_asm ${1}_inline "\"$2\""
726 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
727}
728
304d586d
LM
729check_yasm(){
730 log check_yasm "$@"
731 echo "$1" > $TMPS
732 log_file $TMPS
733 shift 1
734 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
735}
736
29b64b68
MR
737ld_o(){
738 eval printf '%s\\n' $LD_O
739}
740
dcd479c0 741check_ld(){
57bd82d4 742 log check_ld "$@"
66a1ccd7
MR
743 flags=$(filter_out '-l*' "$@")
744 libs=$(filter '-l*' "$@")
01d31e16 745 check_cc $($cflags_filter $flags) || return
64933b6c
MR
746 flags=$($ldflags_filter $flags)
747 libs=$($ldflags_filter $libs)
29b64b68 748 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
749}
750
5adc829e
MR
751check_code(){
752 log check_code "$@"
753 check=$1
754 headers=$2
755 code=$3
756 shift 3
757 {
758 for hdr in $headers; do
759 echo "#include <$hdr>"
760 done
761 echo "int main(void) { $code; return 0; }"
762 } | check_$check "$@"
763}
764
50a334e4
MR
765check_cppflags(){
766 log check_cppflags "$@"
caf458dd 767 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
768int x;
769EOF
770}
771
dcd479c0 772check_cflags(){
57bd82d4 773 log check_cflags "$@"
01d31e16 774 set -- $($cflags_filter "$@")
caf458dd 775 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
776int x;
777EOF
778}
779
2ed46eea
MR
780test_ldflags(){
781 log test_ldflags "$@"
782 check_ld "$@" <<EOF
c23a0ac8 783int main(void){ return 0; }
dcd479c0
MR
784EOF
785}
786
2ed46eea
MR
787check_ldflags(){
788 log check_ldflags "$@"
789 test_ldflags "$@" && add_ldflags "$@"
790}
791
dcd479c0 792check_header(){
57bd82d4 793 log check_header "$@"
dcd479c0
MR
794 header=$1
795 shift
b77df637
MR
796 disable_safe $header
797 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
798#include <$header>
799int x;
800EOF
801}
802
803check_func(){
57bd82d4 804 log check_func "$@"
dcd479c0
MR
805 func=$1
806 shift
d8bc5f06
MR
807 disable $func
808 check_ld "$@" <<EOF && enable $func
dcd479c0 809extern int $func();
c23a0ac8 810int main(void){ $func(); }
dcd479c0
MR
811EOF
812}
813
645d2652 814check_mathfunc(){
6b73c0ae 815 log check_mathfunc "$@"
645d2652 816 func=$1
1aa07aa2
MR
817 narg=$2
818 shift 2
819 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
820 disable $func
821 check_ld "$@" <<EOF && enable $func
822#include <math.h>
1aa07aa2 823float foo(float f, float g) { return $func($args); }
33bd38db 824int main(void){ return 0; }
645d2652
MR
825EOF
826}
827
2446d3d6
DB
828check_func_headers(){
829 log check_func_headers "$@"
f8d7b072 830 headers=$1
edaf1ae2 831 funcs=$2
f8d7b072 832 shift 2
edaf1ae2
MR
833 {
834 for hdr in $headers; do
835 echo "#include <$hdr>"
836 done
837 for func in $funcs; do
838 echo "long check_$func(void) { return (long) $func; }"
839 done
840 echo "int main(void) { return 0; }"
841 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
842}
843
a5344cf7
SS
844check_cpp_condition(){
845 log check_cpp_condition "$@"
846 header=$1
847 condition=$2
f855b7b9 848 shift 2
cd52ec95 849 check_cpp "$@" <<EOF
a5344cf7
SS
850#include <$header>
851#if !($condition)
852#error "unsatisfied condition: $condition"
853#endif
854EOF
855}
856
57bd82d4
MR
857check_lib(){
858 log check_lib "$@"
859 header="$1"
860 func="$2"
861 shift 2
84400e9d 862 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
863}
864
f8d7b072
MR
865check_lib2(){
866 log check_lib2 "$@"
867 headers="$1"
edaf1ae2 868 funcs="$2"
f8d7b072 869 shift 2
edaf1ae2 870 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
871}
872
3f8040db
MR
873check_pkg_config(){
874 log check_pkg_config "$@"
875 pkg="$1"
876 headers="$2"
877 funcs="$3"
878 shift 3
879 $pkg_config --exists $pkg || return
880 pkg_cflags=$($pkg_config --cflags $pkg)
881 pkg_libs=$($pkg_config --libs $pkg)
882 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
883 set_safe ${pkg}_cflags $pkg_cflags &&
884 set_safe ${pkg}_libs $pkg_libs
885}
886
dcd479c0 887check_exec(){
2270b4b2 888 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
889}
890
7dfef245 891check_exec_crash(){
5e622c40 892 code=$(cat)
7dfef245
MR
893
894 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
895 # are safe but may not be available everywhere. Thus we use
896 # raise(SIGTERM) instead. The check is run in a subshell so we
897 # can redirect the "Terminated" message from the shell. SIGBUS
898 # is not defined by standard C so it is used conditionally.
899
2270b4b2 900 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
901#include <signal.h>
902static void sighandler(int sig){
903 raise(SIGTERM);
904}
692dd8ed
MR
905int foo(void){
906 $code
907}
e5af4a11 908int main(void){
7dfef245
MR
909 signal(SIGILL, sighandler);
910 signal(SIGFPE, sighandler);
911 signal(SIGSEGV, sighandler);
912#ifdef SIGBUS
913 signal(SIGBUS, sighandler);
914#endif
692dd8ed 915 foo();
7dfef245
MR
916}
917EOF
918}
919
72be9e73
DY
920check_type(){
921 log check_type "$@"
922 headers=$1
923 type=$2
924 shift 2
ae550ce9 925 disable_safe "$type"
5adc829e 926 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
927}
928
14d36751 929check_struct(){
813b82b9 930 log check_struct "$@"
14d36751
MR
931 headers=$1
932 struct=$2
933 member=$3
934 shift 3
935 disable_safe "${struct}_${member}"
5adc829e
MR
936 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
937 enable_safe "${struct}_${member}"
14d36751
MR
938}
939
9c7d85b3
DB
940check_builtin(){
941 log check_builtin "$@"
942 name=$1
943 headers=$2
944 builtin=$3
945 shift 3
946 disable "$name"
947 check_code ld "$headers" "$builtin" "$@" && enable "$name"
948}
949
57bd82d4
MR
950require(){
951 name="$1"
952 header="$2"
953 func="$3"
954 shift 3
955 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
956}
957
f8d7b072
MR
958require2(){
959 name="$1"
960 headers="$2"
961 func="$3"
962 shift 3
963 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
964}
965
3f8040db
MR
966require_pkg_config(){
967 pkg="$1"
968 check_pkg_config "$@" || die "ERROR: $pkg not found"
969 add_cflags $(get_safe ${pkg}_cflags)
970 add_extralibs $(get_safe ${pkg}_libs)
971}
972
ae43c4c0
MR
973hostcc_o(){
974 eval printf '%s\\n' $HOSTCC_O
975}
976
f0125de9
MR
977check_host_cc(){
978 log check_host_cc "$@"
979 cat > $TMPC
980 log_file $TMPC
ae43c4c0 981 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
982}
983
4cc4b33f
DB
984check_host_cppflags(){
985 log check_host_cppflags "$@"
986 check_host_cc "$@" <<EOF && append host_cppflags "$@"
987int x;
988EOF
989}
990
f0125de9
MR
991check_host_cflags(){
992 log check_host_cflags "$@"
6c3fa06a 993 set -- $($host_cflags_filter "$@")
f0125de9
MR
994 check_host_cc "$@" <<EOF && append host_cflags "$@"
995int x;
996EOF
997}
998
c505dd31
MR
999apply(){
1000 file=$1
1001 shift
1002 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1003}
1004
c34681df 1005cp_if_changed(){
5e27ec28
MR
1006 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1007 mkdir -p "$(dirname $2)"
4ebc6a74 1008 $cp_f "$1" "$2"
c34681df
MR
1009}
1010
dcd61286
DB
1011# CONFIG_LIST contains configurable options, while HAVE_LIST is for
1012# system-dependent things.
1013
4a0d6686
AJ
1014COMPONENT_LIST="
1015 bsfs
1016 decoders
1017 demuxers
1018 encoders
3cde40aa 1019 filters
5666fd73 1020 hwaccels
c552605c 1021 indevs
4a0d6686 1022 muxers
c552605c 1023 outdevs
4a0d6686
AJ
1024 parsers
1025 protocols
1026"
1027
3fc09b00
MR
1028EXTERNAL_LIBRARY_LIST="
1029 avisynth
1030 bzlib
1031 frei0r
1032 gnutls
1033 libcdio
1034 libdc1394
1035 libfaac
1036 libfdk_aac
1037 libfreetype
1038 libgsm
1039 libilbc
1040 libmp3lame
1041 libopencore_amrnb
1042 libopencore_amrwb
1043 libopencv
1044 libopenjpeg
1045 libopus
1046 libpulse
1047 librtmp
1048 libschroedinger
1049 libspeex
1050 libtheora
1051 libvo_aacenc
1052 libvo_amrwbenc
1053 libvorbis
1054 libvpx
1055 libx264
1056 libxavs
1057 libxvid
1058 openssl
1059 x11grab
1060 zlib
1061"
1062
70b348ec
DB
1063HWACCEL_LIST="
1064 dxva2
1065 vaapi
1066 vda
1067 vdpau
1068"
d89f2fa9
DB
1069LIBRARY_LIST="
1070 avcodec
1071 avdevice
1072 avfilter
1073 avformat
1074 avresample
1075 avutil
1076 swscale
1077"
1078
055c61b8
DB
1079PROGRAM_LIST="
1080 avconv
1081 avplay
1082 avprobe
1083 avserver
055c61b8
DB
1084"
1085
4a0d6686
AJ
1086CONFIG_LIST="
1087 $COMPONENT_LIST
3fc09b00 1088 $EXTERNAL_LIBRARY_LIST
70b348ec 1089 $HWACCEL_LIST
d89f2fa9 1090 $LIBRARY_LIST
055c61b8 1091 $PROGRAM_LIST
7f3f5f46 1092 dct
c73f65d9 1093 doc
1848f7d9 1094 fft
c88f5d72 1095 gpl
d8d0d0b2 1096 gray
3abe5fbd 1097 hardcoded_tables
b781cc12 1098 lsp
2a91ada8 1099 lzo
47a158cb 1100 mdct
c88f5d72 1101 memalign_hack
c88f5d72 1102 network
3fe142e2 1103 nonfree
8a3c8627 1104 pic
68602540 1105 rdft
e90f5b5a 1106 runtime_cpudetect
8cfbbd92 1107 safe_bitstream_reader
2e35e684 1108 shared
bd2216e4 1109 small
6b35d421 1110 sram
2e35e684 1111 static
a9ddb5b1 1112 swscale_alpha
8986fddc 1113 thumb
9cad0e4e 1114 version3
7e4d9d5d 1115 xmm_clobber_test
4a0d6686 1116"
c88f5d72 1117
8eee7025 1118THREADS_LIST='
8eee7025
DB
1119 pthreads
1120 w32threads
1121'
1122
3f5b56e5 1123ARCH_LIST='
5873b623 1124 aarch64
3f5b56e5 1125 alpha
a2fc0f6a 1126 arm
fdcd782d
MR
1127 avr32
1128 avr32_ap
1129 avr32_uc
3f5b56e5
MR
1130 bfin
1131 ia64
1132 m68k
1133 mips
bae3abb0 1134 mips64
3f5b56e5 1135 parisc
79cb09b2 1136 ppc
34d11b87 1137 ppc64
3f5b56e5
MR
1138 s390
1139 sh4
1140 sparc
1141 sparc64
c75848cd
DB
1142 tilegx
1143 tilepro
0844bae1 1144 tomi
3f5b56e5
MR
1145 x86
1146 x86_32
1147 x86_64
1148'
1149
81dfa21e
MR
1150ARCH_EXT_LIST_ARM='
1151 armv5te
1152 armv6
1153 armv6t2
81dfa21e 1154 neon
b3267559 1155 vfp
81dfa21e
MR
1156 vfpv3
1157'
1158
50cd43f2 1159ARCH_EXT_LIST_X86='
3bf96eec 1160 amd3dnow
a1ef9f08 1161 amd3dnowext
50cd43f2
DB
1162 avx
1163 fma4
1164 mmx
1165 mmxext
1166 sse
1167 sse2
1168 sse3
1169 sse4
1170 sse42
1171 ssse3
1172'
1173
1174ARCH_EXT_LIST="
81dfa21e 1175 $ARCH_EXT_LIST_ARM
50cd43f2
DB
1176 $ARCH_EXT_LIST_X86
1177 altivec
799fde37 1178 ppc4xx
bd9d34a0 1179 vis
50cd43f2 1180"
3f5b56e5 1181
fd712a55
DB
1182HAVE_LIST_CMDLINE='
1183 inline_asm
1184 symver
1185 yasm
1186'
1187
a3e02a8c
MR
1188HAVE_LIST_PUB='
1189 bigendian
d268eee9 1190 fast_unaligned
a3e02a8c
MR
1191'
1192
79042ab3 1193MATH_FUNCS="
fab0a8b2
MR
1194 atanf
1195 atan2f
79042ab3 1196 cbrtf
fab0a8b2 1197 cosf
79042ab3
DB
1198 exp2
1199 exp2f
fab0a8b2 1200 expf
79042ab3
DB
1201 isinf
1202 isnan
fab0a8b2 1203 ldexpf
79042ab3
DB
1204 llrint
1205 llrintf
1206 log2
1207 log2f
fab0a8b2 1208 log10f
79042ab3
DB
1209 lrint
1210 lrintf
fab0a8b2 1211 powf
79042ab3
DB
1212 rint
1213 round
1214 roundf
fab0a8b2 1215 sinf
79042ab3
DB
1216 trunc
1217 truncf
1218"
1219
3f5b56e5
MR
1220HAVE_LIST="
1221 $ARCH_EXT_LIST
43b73d59
DB
1222 $(add_suffix _external $ARCH_EXT_LIST)
1223 $(add_suffix _inline $ARCH_EXT_LIST)
fd712a55 1224 $HAVE_LIST_CMDLINE
a3e02a8c 1225 $HAVE_LIST_PUB
3f5b56e5 1226 $THREADS_LIST
79042ab3 1227 $MATH_FUNCS
be1a839c 1228 aligned_malloc
59782b82 1229 aligned_stack
35fd8122 1230 alsa_asoundlib_h
3f5b56e5 1231 altivec_h
c9fdab0d 1232 arpa_inet_h
ec9d2c15 1233 asm_mod_q
6308729e 1234 asm_mod_y
dffb41b9 1235 attribute_may_alias
e7ea5e3d 1236 attribute_packed
43e0e0c4
LB
1237 cdio_paranoia_h
1238 cdio_paranoia_paranoia_h
ecf97f22 1239 closesocket
1ac9331a 1240 cmov
15caccb9 1241 CommandLineToArgvW
180d43bc 1242 cpunop
1093383d 1243 CryptGenRandom
c88f5d72 1244 dcbzl
f8aa696f
DB
1245 dev_bktr_ioctl_bt848_h
1246 dev_bktr_ioctl_meteor_h
1247 dev_ic_bt8xx_h
f8aa696f 1248 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1249 dev_video_meteor_ioctl_meteor_h
ca6b544a 1250 direct_h
18b67ae5 1251 dlfcn_h
c88f5d72 1252 dlopen
bc574408 1253 dos_paths
fa845061 1254 dxva_h
245626d0
DB
1255 ebp_available
1256 ebx_available
c2a29455 1257 fast_64bit
669b5583 1258 fast_clz
7073e9fc 1259 fast_cmov
534a2231 1260 fcntl
9d99cc5a 1261 fork
84882df6 1262 getaddrinfo
da9e86f8 1263 gethrtime
667fb97a 1264 getopt
02e8f427 1265 GetProcessAffinityMask
fc5607f8 1266 GetProcessMemoryInfo
4e68cb8a 1267 GetProcessTimes
61183b5a 1268 GetSystemTimeAsFileTime
66be5b45 1269 getrusage
c3e73100 1270 getservbyport
61183b5a 1271 gettimeofday
a49d3025 1272 gnu_as
c7df1532 1273 gsm_h
2f0c136e 1274 ibm_asm
2e1913b1 1275 inet_aton
3b1ab197 1276 io_h
abfc8d05 1277 isatty
8772997d 1278 jack_port_get_latency_range
9f5ff83f 1279 ldbrx
0b4a1821
AS
1280 libdc1394_1
1281 libdc1394_2
d96cd429
MR
1282 local_aligned_16
1283 local_aligned_8
a5b64584 1284 localtime_r
85dd97ad 1285 loongson
f8aa696f
DB
1286 machine_ioctl_bt848_h
1287 machine_ioctl_meteor_h
65f1d45d 1288 machine_rw_barrier
c88f5d72 1289 malloc_h
73f6d31e 1290 MapViewOfFile
c88f5d72 1291 memalign
65f1d45d 1292 MemoryBarrier
6ffa87d3 1293 mkstemp
f80ddd5b 1294 mm_empty
0328b9ea 1295 mmap
e98b02de 1296 mprotect
4fa661a8 1297 msvcrt
d3d3a32c 1298 nanosleep
3e0b1c9a 1299 poll_h
1f91cdce 1300 posix_memalign
07b28702 1301 rdtsc
ea4d5f48 1302 sched_getaffinity
c88f5d72
MR
1303 sdl
1304 sdl_video_size
7e6a11bc 1305 SetConsoleTextAttribute
b507ebd1 1306 setmode
3e0b1c9a 1307 setrlimit
d3d3a32c 1308 Sleep
15d59d2c 1309 sndio_h
72be9e73 1310 socklen_t
deb29777 1311 soundcard_h
87958234 1312 strerror_r
6379900c 1313 strptime
47941088 1314 strtok_r
c0018613 1315 struct_addrinfo
75d339e0
MS
1316 struct_group_source_req
1317 struct_ip_mreq_source
b4d68544 1318 struct_ipv6_mreq
cdee08e3 1319 struct_pollfd
3e0b1c9a 1320 struct_rusage_ru_maxrss
b4d68544 1321 struct_sockaddr_in6
3b2372bf 1322 struct_sockaddr_sa_len
33a4dbdd 1323 struct_sockaddr_storage
a6a4793d 1324 struct_v4l2_frmivalenum_discrete
b462d132 1325 symver_asm_label
3e0b1c9a 1326 symver_gnu_asm
65f1d45d 1327 sync_synchronize
bcc73960 1328 sysconf
b9e22269 1329 sysctl
b58412f1 1330 sys_mman_h
06bb5905 1331 sys_param_h
b091aa44 1332 sys_resource_h
81644c2e 1333 sys_select_h
deb29777 1334 sys_soundcard_h
e64bceea 1335 sys_time_h
1b6e8b73 1336 sys_videoio_h
b265431e 1337 threads
542920b7 1338 unistd_h
d3d3a32c 1339 usleep
ce742de2 1340 vfp_args
7c5bfe7a 1341 VirtualAlloc
d3d3a32c 1342 windows_h
6ff3f3e7 1343 winsock2_h
cc078b5d 1344 xform_asm
6f74fb03 1345 xmm_clobbers
0cb78cef 1346"
44161118 1347
511cf612 1348# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1349CONFIG_EXTRA="
87849592 1350 aandcttables
bfe9f48a 1351 ac3dsp
aa11cb79 1352 audio_frame_queue
c292f6a2 1353 error_resilience
bfe9f48a 1354 gcrypt
478fd534 1355 golomb
9cad0e4e 1356 gplv3
478fd534
DB
1357 h264chroma
1358 h264dsp
1359 h264pred
915a2a0a 1360 h264qpel
478fd534 1361 huffman
9cad0e4e 1362 lgplv3
478fd534 1363 lpc
1e164c0b 1364 mpegaudio
bfe9f48a 1365 mpegaudiodsp
18bbca1f 1366 mpegvideo
ad08dfd5 1367 mpegvideoenc
bfe9f48a 1368 nettle
f704a079 1369 rangecoder
bfe9f48a 1370 rtpdec
5ad2f0bf 1371 rtpenc_chain
bfe9f48a 1372 sinewin
8c53d39e 1373 videodsp
ab9f9876 1374 vp3dsp
b6bb00b0
MR
1375"
1376
520cc7f1 1377CMDLINE_SELECT="
3f5b56e5 1378 $ARCH_EXT_LIST
520cc7f1 1379 $CONFIG_LIST
fd712a55 1380 $HAVE_LIST_CMDLINE
8eee7025 1381 $THREADS_LIST
c8a4ae00 1382 asm
db6107b6 1383 cross_compile
520cc7f1
MR
1384 debug
1385 extra_warnings
8c6afa4d 1386 logging
65d12900 1387 lto
d2bbb2f7 1388 optimizations
520cc7f1 1389"
426be5dc
DB
1390
1391PATHS_LIST='
d156bede 1392 bindir
14a8acf1 1393 datadir
26759c44
MR
1394 incdir
1395 libdir
26759c44
MR
1396 mandir
1397 prefix
1398 shlibdir
426be5dc
DB
1399'
1400
1401CMDLINE_SET="
1402 $PATHS_LIST
121d78d0 1403 ar
426be5dc 1404 arch
313c46a6 1405 as
426be5dc
DB
1406 build_suffix
1407 cc
1408 cpu
1409 cross_prefix
50567afa 1410 dep_cc
ac63af34 1411 extra_version
9da6609f
MR
1412 host_cc
1413 host_cflags
095792f2 1414 host_ld
9da6609f
MR
1415 host_ldflags
1416 host_libs
82bb3329 1417 host_os
684b28e0 1418 ld
426be5dc 1419 logfile
4ae40685 1420 malloc_prefix
89641463 1421 nm
9cd7b854 1422 optflags
3f8040db 1423 pkg_config
154caa67 1424 random_seed
2fad0977 1425 samples
c5200f17
MR
1426 sysinclude
1427 sysroot
a7ada2ba 1428 target_exec
26759c44 1429 target_os
a7ada2ba 1430 target_path
aeeb782c 1431 toolchain
426be5dc 1432"
520cc7f1 1433
89f2932b
MR
1434CMDLINE_APPEND="
1435 extra_cflags
4cc4b33f 1436 host_cppflags
89f2932b
MR
1437"
1438
912f3148
DB
1439# code dependency declarations
1440
9eeed841 1441# architecture extensions
808fa33c 1442
a2fc0f6a
MR
1443armv5te_deps="arm"
1444armv6_deps="arm"
ab5cb084 1445armv6t2_deps="arm"
808fa33c 1446neon_deps="arm"
b3267559
MR
1447vfp_deps="arm"
1448vfpv3_deps="vfp"
808fa33c 1449
637606de
MR
1450map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1451
808fa33c
MR
1452altivec_deps="ppc"
1453ppc4xx_deps="ppc"
1454
1455vis_deps="sparc"
1456
7f8c3d1f 1457x86_64_suggest="cmov fast_cmov"
50cd43f2 1458
808fa33c
MR
1459amd3dnow_deps="mmx"
1460amd3dnowext_deps="amd3dnow"
9eeed841 1461mmx_deps="x86"
239fdf1b 1462mmxext_deps="mmx"
50cd43f2
DB
1463sse_deps="mmxext"
1464sse2_deps="sse"
1465sse3_deps="sse2"
1466ssse3_deps="sse3"
1467sse4_deps="ssse3"
1468sse42_deps="sse4"
1469avx_deps="sse42"
79687079 1470fma4_deps="avx"
9eeed841 1471
43b73d59
DB
1472mmx_external_deps="yasm"
1473mmx_inline_deps="inline_asm"
1474mmx_suggest="mmx_external mmx_inline"
1475
1476for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1477 eval dep=\$${ext}_deps
1478 eval ${ext}_external_deps='"${dep}_external"'
1479 eval ${ext}_inline_deps='"${dep}_inline"'
1480 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1481done
1482
59782b82 1483aligned_stack_if_any="ppc x86"
e939cedd 1484fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
f0fe245b
MR
1485fast_clz_if_any="alpha avr32 mips ppc x86"
1486fast_unaligned_if_any="ppc x86"
669b5583 1487
6fec122a 1488inline_asm_deps="!tms470"
3e0b1c9a 1489need_memalign="altivec neon sse"
89e053f8 1490
b462d132
MR
1491symver_if_any="symver_asm_label symver_gnu_asm"
1492
88a35699
MS
1493log2_deps="!msvcrt"
1494
26fbcc85 1495# subsystems
dc609252 1496dct_select="rdft"
26fbcc85
MR
1497mdct_select="fft"
1498rdft_select="fft"
1e164c0b 1499mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1500mpegaudiodsp_select="dct"
ed40b6bf 1501mpegvideo_select="videodsp"
ad08dfd5 1502mpegvideoenc_select="mpegvideo"
26fbcc85 1503
ed40b6bf 1504# decoders / encoders
cfc2a0cf 1505aac_decoder_select="mdct sinewin"
aa11cb79 1506aac_encoder_select="audio_frame_queue mdct sinewin"
136e19e1 1507aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1508ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1509ac3_encoder_select="mdct ac3dsp"
3d269059 1510ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1511alac_encoder_select="lpc"
b781cc12 1512amrnb_decoder_select="lsp"
2b2a597e 1513amrwb_decoder_select="lsp"
4538729a 1514atrac1_decoder_select="mdct sinewin"
26fbcc85 1515atrac3_decoder_select="mdct"
a33657ce
DB
1516binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1517binkaudio_rdft_decoder_select="mdct rdft sinewin"
870add0d 1518cavs_decoder_select="golomb h264chroma mpegvideo videodsp"
9b500b8f 1519comfortnoise_encoder_select="lpc"
4538729a 1520cook_decoder_select="mdct sinewin"
2a91ada8 1521cscd_decoder_select="lzo"
2eef7c62 1522cscd_decoder_suggest="zlib"
26fbcc85 1523dca_decoder_select="mdct"
ad08dfd5 1524dnxhd_encoder_select="aandcttables mpegvideoenc"
2eef7c62 1525dxa_decoder_select="zlib"
baf91bb9 1526eac3_decoder_select="ac3_decoder"
4264a0dd 1527eac3_encoder_select="ac3_encoder"
06b54e84 1528eamad_decoder_select="aandcttables mpegvideo"
87849592 1529eatgq_decoder_select="aandcttables"
06b54e84 1530eatqi_decoder_select="aandcttables mpegvideo"
f704a079
DB
1531ffv1_decoder_select="golomb rangecoder"
1532ffv1_encoder_select="rangecoder"
5a582bd3 1533ffvhuff_encoder_select="huffman"
4f034993 1534flac_decoder_select="golomb"
f4d608e3 1535flac_encoder_select="golomb lpc"
2eef7c62
AJ
1536flashsv_decoder_select="zlib"
1537flashsv_encoder_select="zlib"
c2d23309 1538flashsv2_decoder_select="zlib"
4414137e 1539flv_decoder_select="h263_decoder"
4d4b4bd1 1540flv_encoder_select="h263_encoder"
3447f12d 1541fraps_decoder_select="huffman"
c292f6a2 1542h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1543h261_encoder_select="aandcttables mpegvideoenc"
c292f6a2 1544h263_decoder_select="error_resilience h263_parser mpegvideo"
06b54e84 1545h263_encoder_select="aandcttables mpegvideoenc"
4414137e 1546h263i_decoder_select="h263_decoder"
fe629c2d 1547h263p_encoder_select="h263_encoder"
64e43869 1548h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel videodsp"
5a582bd3 1549huffyuv_encoder_select="huffman"
19be0f3c 1550iac_decoder_select="fft mdct sinewin"
56c8227d 1551imc_decoder_select="fft mdct sinewin"
4f034993
MR
1552jpegls_decoder_select="golomb"
1553jpegls_encoder_select="golomb"
ad08dfd5 1554ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1555loco_decoder_select="golomb"
c292f6a2 1556mdec_decoder_select="error_resilience mpegvideo"
ad08dfd5 1557mjpeg_encoder_select="aandcttables mpegvideoenc"
2cca233b 1558mlp_decoder_select="mlp_parser"
1e164c0b
DB
1559mp1_decoder_select="mpegaudio"
1560mp1float_decoder_select="mpegaudio"
1561mp2_decoder_select="mpegaudio"
1562mp2float_decoder_select="mpegaudio"
1563mp3_decoder_select="mpegaudio"
1564mp3adu_decoder_select="mpegaudio"
1565mp3adufloat_decoder_select="mpegaudio"
1566mp3float_decoder_select="mpegaudio"
1567mp3on4_decoder_select="mpegaudio"
1568mp3on4float_decoder_select="mpegaudio"
606c9297
DB
1569mpc7_decoder_select="mpegaudiodsp"
1570mpc8_decoder_select="mpegaudiodsp"
3e0b1c9a
DB
1571mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1572mpeg_xvmc_decoder_select="mpegvideo_decoder"
c292f6a2 1573mpeg1video_decoder_select="error_resilience mpegvideo"
06b54e84 1574mpeg1video_encoder_select="aandcttables mpegvideoenc"
c292f6a2 1575mpeg2video_decoder_select="error_resilience mpegvideo"
06b54e84 1576mpeg2video_encoder_select="aandcttables mpegvideoenc"
3e0b1c9a
DB
1577mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1578mpeg4_encoder_select="h263_encoder"
4414137e 1579msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1580msmpeg4v1_encoder_select="h263_encoder"
4414137e 1581msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1582msmpeg4v2_encoder_select="h263_encoder"
4414137e 1583msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1584msmpeg4v3_encoder_select="h263_encoder"
06b54e84 1585mss2_decoder_select="error_resilience vc1_decoder"
4538729a 1586nellymoser_decoder_select="mdct sinewin"
aa11cb79 1587nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2a91ada8 1588nuv_decoder_select="lzo"
2eef7c62
AJ
1589png_decoder_select="zlib"
1590png_encoder_select="zlib"
b781cc12 1591qcelp_decoder_select="lsp"
c4f5c2d6 1592qdm2_decoder_select="mdct rdft mpegaudiodsp"
aa11cb79 1593ra_144_encoder_select="audio_frame_queue lpc"
9f43fdda 1594ralf_decoder_select="golomb"
06b54e84 1595rv10_decoder_select="error_resilience h263_decoder"
b2bf38b4 1596rv10_encoder_select="h263_encoder"
06b54e84 1597rv20_decoder_select="error_resilience h263_decoder"
b2bf38b4 1598rv20_encoder_select="h263_encoder"
870add0d
DB
1599rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1600rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
4f034993 1601shorten_decoder_select="golomb"
b781cc12 1602sipr_decoder_select="lsp"
06b54e84
DB
1603svq1_decoder_select="mpegvideo"
1604svq1_encoder_select="aandcttables mpegvideoenc"
870add0d 1605svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo videodsp"
bee2eac5 1606svq3_decoder_suggest="zlib"
4eef77c1 1607theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1608tiff_decoder_suggest="zlib"
1609tiff_encoder_suggest="zlib"
aec09a00 1610truehd_decoder_select="mlp_decoder"
2eef7c62 1611tscc_decoder_select="zlib"
4538729a 1612twinvq_decoder_select="mdct lsp sinewin"
aa661113 1613utvideo_encoder_select="huffman"
06b54e84 1614vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
45ecda85 1615vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1616vorbis_decoder_select="mdct"
1617vorbis_encoder_select="mdct"
8c53d39e 1618vp3_decoder_select="vp3dsp videodsp"
bcd0a713
DB
1619vp5_decoder_select="h264chroma videodsp vp3dsp"
1620vp6_decoder_select="h264chroma huffman videodsp vp3dsp"
e82dc4c9
DB
1621vp6a_decoder_select="vp6_decoder"
1622vp6f_decoder_select="vp6_decoder"
8c53d39e 1623vp8_decoder_select="h264pred videodsp"
4538729a
MR
1624wmapro_decoder_select="mdct sinewin"
1625wmav1_decoder_select="mdct sinewin"
1626wmav1_encoder_select="mdct sinewin"
1627wmav2_decoder_select="mdct sinewin"
1628wmav2_encoder_select="mdct sinewin"
1629wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1630wmv1_decoder_select="h263_decoder"
665507aa 1631wmv1_encoder_select="h263_encoder"
870add0d 1632wmv2_decoder_select="h263_decoder videodsp"
1746e2a9 1633wmv2_encoder_select="h263_encoder"
015f8ee0 1634wmv3_decoder_select="vc1_decoder"
45ecda85 1635wmv3image_decoder_select="wmv3_decoder"
0e714f88 1636zerocodec_decoder_select="zlib"
2eef7c62
AJ
1637zlib_decoder_select="zlib"
1638zlib_encoder_select="zlib"
1639zmbv_decoder_select="zlib"
1640zmbv_encoder_select="zlib"
30fd06be 1641
ed40b6bf 1642# hardware accelerators
215cdd35 1643dxva2_deps="dxva2api_h"
0afab17e 1644vaapi_deps="va_va_h"
ac3dbb4d 1645vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
9840130e 1646vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
c89c96e9
MR
1647vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1648
82ca17ac
DB
1649h263_vaapi_hwaccel_deps="vaapi"
1650h263_vaapi_hwaccel_select="h263_decoder"
1651h263_vdpau_hwaccel_deps="vdpau"
1652h263_vdpau_hwaccel_select="h263_decoder"
215cdd35
DB
1653h264_dxva2_hwaccel_deps="dxva2"
1654h264_dxva2_hwaccel_select="h264_decoder"
82ca17ac
DB
1655h264_vaapi_hwaccel_deps="vaapi"
1656h264_vaapi_hwaccel_select="h264_decoder"
1657h264_vda_hwaccel_deps="vda"
1658h264_vda_hwaccel_select="h264_decoder"
1659h264_vdpau_decoder_deps="vdpau"
1660h264_vdpau_decoder_select="h264_decoder"
1661h264_vdpau_hwaccel_deps="vdpau"
1662h264_vdpau_hwaccel_select="h264_decoder"
1663mpeg_vdpau_decoder_deps="vdpau"
1664mpeg_vdpau_decoder_select="mpegvideo_decoder"
1665mpeg1_vdpau_decoder_deps="vdpau"
1666mpeg1_vdpau_decoder_select="mpeg1video_decoder"
1667mpeg1_vdpau_hwaccel_deps="vdpau"
1668mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
215cdd35
DB
1669mpeg2_dxva2_hwaccel_deps="dxva2"
1670mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
82ca17ac
DB
1671mpeg2_vaapi_hwaccel_deps="vaapi"
1672mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1673mpeg2_vdpau_hwaccel_deps="vdpau"
1674mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1675mpeg4_vaapi_hwaccel_deps="vaapi"
1676mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1677mpeg4_vdpau_decoder_deps="vdpau"
1678mpeg4_vdpau_decoder_select="mpeg4_decoder"
1679mpeg4_vdpau_hwaccel_deps="vdpau"
1680mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
215cdd35
DB
1681vc1_dxva2_hwaccel_deps="dxva2"
1682vc1_dxva2_hwaccel_select="vc1_decoder"
82ca17ac
DB
1683vc1_vaapi_hwaccel_deps="vaapi"
1684vc1_vaapi_hwaccel_select="vc1_decoder"
1685vc1_vdpau_decoder_deps="vdpau"
1686vc1_vdpau_decoder_select="vc1_decoder"
1687vc1_vdpau_hwaccel_deps="vdpau"
1688vc1_vdpau_hwaccel_select="vc1_decoder"
ed40b6bf
DB
1689wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1690wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1691wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
77525327 1692wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1693
28b80940 1694# parsers
64e43869 1695h264_parser_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel videodsp"
c292f6a2
DB
1696mpeg4video_parser_select="error_resilience mpegvideo"
1697mpegvideo_parser_select="error_resilience mpegvideo"
06b54e84 1698vc1_parser_select="mpegvideo"
28b80940 1699
912f3148 1700# external libraries
c9171a83 1701libfaac_encoder_deps="libfaac"
aa11cb79 1702libfaac_encoder_select="audio_frame_queue"
37eeb5e2 1703libfdk_aac_encoder_deps="libfdk_aac"
aa11cb79 1704libfdk_aac_encoder_select="audio_frame_queue"
299c77d5
MR
1705libgsm_decoder_deps="libgsm"
1706libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1707libgsm_ms_decoder_deps="libgsm"
1708libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1709libilbc_decoder_deps="libilbc"
1710libilbc_encoder_deps="libilbc"
1cc60c47 1711libmp3lame_encoder_deps="libmp3lame"
aa11cb79 1712libmp3lame_encoder_select="audio_frame_queue"
0b175caa
DB
1713libopencore_amrnb_decoder_deps="libopencore_amrnb"
1714libopencore_amrnb_encoder_deps="libopencore_amrnb"
aa11cb79 1715libopencore_amrnb_encoder_select="audio_frame_queue"
0b175caa 1716libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1717libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1718libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1719libopus_decoder_deps="libopus"
6cb8c854 1720libopus_encoder_deps="libopus"
aa11cb79 1721libopus_encoder_select="audio_frame_queue"
f7cd9eed
AS
1722libschroedinger_decoder_deps="libschroedinger"
1723libschroedinger_encoder_deps="libschroedinger"
ae14f311 1724libspeex_decoder_deps="libspeex"
b606a017 1725libspeex_encoder_deps="libspeex"
aa11cb79 1726libspeex_encoder_select="audio_frame_queue"
150d2772 1727libtheora_encoder_deps="libtheora"
d89e738a 1728libvo_aacenc_encoder_deps="libvo_aacenc"
aa11cb79 1729libvo_aacenc_encoder_select="audio_frame_queue"
f502ff3f 1730libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1731libvorbis_encoder_deps="libvorbis"
aa11cb79 1732libvorbis_encoder_select="audio_frame_queue"
3f111804
LB
1733libvpx_vp8_decoder_deps="libvpx"
1734libvpx_vp8_encoder_deps="libvpx"
1735libvpx_vp9_decoder_deps="libvpx"
1736libvpx_vp9_encoder_deps="libvpx"
1cc60c47 1737libx264_encoder_deps="libx264"
de295976 1738libxavs_encoder_deps="libxavs"
1cc60c47 1739libxvid_encoder_deps="libxvid"
30fd06be 1740
912f3148 1741# demuxers / muxers
c2dd0e9e 1742ac3_demuxer_select="ac3_parser"
647c2356 1743asf_stream_muxer_select="asf_muxer"
4e622dea 1744avisynth_demuxer_deps="avisynth"
c2dd0e9e 1745dirac_demuxer_select="dirac_parser"
5b423887 1746eac3_demuxer_select="ac3_parser"
c2dd0e9e 1747flac_demuxer_select="flac_parser"
647c2356 1748ipod_muxer_select="mov_muxer"
31f16dc1 1749ismv_muxer_select="mov_muxer"
647c2356 1750matroska_audio_muxer_select="matroska_muxer"
2a91ada8 1751matroska_demuxer_suggest="bzlib lzo zlib"
4e622dea 1752mov_demuxer_suggest="zlib"
5ad2f0bf 1753mov_muxer_select="rtpenc_chain"
c2dd0e9e 1754mp3_demuxer_select="mpegaudio_parser"
647c2356 1755mp4_muxer_select="mov_muxer"
18bbca1f 1756mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
647c2356
DB
1757mpegtsraw_demuxer_select="mpegts_demuxer"
1758mxf_d10_muxer_select="mxf_muxer"
24ca518b 1759ogg_demuxer_select="golomb"
647c2356 1760psp_muxer_select="mov_muxer"
44594cc7 1761rtp_demuxer_select="sdp_demuxer"
18bbca1f 1762rtp_muxer_select="mpegvideo"
44b70ce5
MS
1763rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1764rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 1765rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 1766sap_demuxer_select="sdp_demuxer"
5ad2f0bf 1767sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 1768sdp_demuxer_select="rtpdec"
e772f9fa 1769smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1770spdif_muxer_select="aac_parser"
57231e4d 1771tak_demuxer_select="tak_parser"
647c2356
DB
1772tg2_muxer_select="mov_muxer"
1773tgp_muxer_select="mov_muxer"
6bdaa5f4 1774w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1775
1776# indevs / outdevs
38e54a75 1777alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1778alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1779bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1780dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1781fbdev_indev_deps="linux_fb_h"
38e54a75 1782jack_indev_deps="jack_jack_h"
e417d80d 1783libcdio_indev_deps="libcdio"
38e54a75 1784libdc1394_indev_deps="libdc1394"
38e54a75
SS
1785oss_indev_deps_any="soundcard_h sys_soundcard_h"
1786oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1787pulse_indev_deps="libpulse"
15d59d2c
B
1788sndio_indev_deps="sndio_h"
1789sndio_outdev_deps="sndio_h"
38e54a75 1790v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1791vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1792vfwcap_indev_extralibs="-lavicap32"
24f8961f 1793x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1794
912f3148 1795# protocols
acd554c1
SP
1796ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1797ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1798ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1799ffrtmphttp_protocol_deps="!librtmp_protocol"
1800ffrtmphttp_protocol_select="http_protocol"
998c1ee1 1801gopher_protocol_select="network"
c40e1757 1802httpproxy_protocol_select="tcp_protocol"
279a0c97 1803http_protocol_select="tcp_protocol"
183baead 1804https_protocol_select="tls_protocol"
c3b57d6e
DB
1805librtmp_protocol_deps="librtmp"
1806librtmpe_protocol_deps="librtmp"
1807librtmps_protocol_deps="librtmp"
1808librtmpt_protocol_deps="librtmp"
1809librtmpte_protocol_deps="librtmp"
c60a2d70 1810mmsh_protocol_select="http_protocol"
998c1ee1 1811mmst_protocol_select="network"
c3b57d6e 1812rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1813rtmp_protocol_select="tcp_protocol"
acd554c1 1814rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1815rtmps_protocol_deps="!librtmp_protocol"
1816rtmps_protocol_select="tls_protocol"
775c4d36 1817rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1818rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1819rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1820rtp_protocol_select="udp_protocol"
998c1ee1
DB
1821sctp_protocol_deps="struct_sctp_event_subscribe"
1822sctp_protocol_select="network"
0eecafc9 1823srtp_protocol_select="rtp_protocol"
998c1ee1 1824tcp_protocol_select="network"
558d192d
MS
1825tls_protocol_deps_any="openssl gnutls"
1826tls_protocol_select="tcp_protocol"
998c1ee1 1827udp_protocol_select="network"
c08fb000 1828
6ebf0bfc 1829# filters
13fabd7a 1830blackframe_filter_deps="gpl"
ce6b6ef6 1831boxblur_filter_deps="gpl"
68b79bfc 1832cropdetect_filter_deps="gpl"
b157be1f 1833delogo_filter_deps="gpl"
a5b64584 1834drawtext_filter_deps="libfreetype"
2e5ff4d0 1835frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1836frei0r_filter_extralibs='$ldl'
a42bb9d6 1837frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1838frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1839hqdn3d_filter_deps="gpl"
d371e7b9 1840resample_filter_deps="avresample"
cf69ad35 1841ocv_filter_deps="libopencv"
2f296e39 1842scale_filter_deps="swscale"
acbac567 1843yadif_filter_deps="gpl"
6ebf0bfc 1844
5a0f7131 1845# libraries
d89f2fa9
DB
1846avcodec_deps="avutil"
1847avdevice_deps="avutil avcodec avformat"
1848avfilter_deps="avutil"
1849avformat_deps="avutil avcodec"
1850avresample_deps="avutil"
1851swscale_deps="avutil"
f7679c54 1852
912f3148 1853# programs
54fd593a 1854avconv_deps="avcodec avfilter avformat avresample swscale"
0a0e340f
DB
1855avconv_select="aformat_filter anull_filter asyncts_filter format_filter
1856 fps_filter null_filter resample_filter scale_filter
1857 setpts_filter"
d173ede1 1858avplay_deps="avcodec avformat avresample swscale sdl"
266463da 1859avplay_select="rdft"
9e12f0bf 1860avprobe_deps="avcodec avformat"
b263bf66 1861avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1862avserver_extralibs='$ldl'
a2830dca 1863
c73f65d9 1864doc_deps="texi2html"
912f3148 1865
de6d9b64 1866# default parameters
8a608357 1867
19bd477d 1868logfile="config.log"
8a608357
MR
1869
1870# installation paths
c9d19248
MR
1871prefix_default="/usr/local"
1872bindir_default='${prefix}/bin'
6291d7e4 1873datadir_default='${prefix}/share/avconv'
c9d19248
MR
1874incdir_default='${prefix}/include'
1875libdir_default='${prefix}/lib'
1876mandir_default='${prefix}/share/man'
1877shlibdir_default="$libdir_default"
8a608357
MR
1878
1879# toolchain
121d78d0 1880ar_default="ar"
13c7df3d 1881cc_default="gcc"
9da6609f 1882host_cc_default="gcc"
4ebc6a74 1883cp_f="cp -f"
b58b00ae 1884ln_s="ln -s -f"
2a8a860a 1885nm_default="nm -g"
11e6d03a 1886objformat="elf"
3f8040db 1887pkg_config_default=pkg-config
be7109c1 1888ranlib="ranlib"
11e6d03a 1889yasmexe="yasm"
8a608357 1890
3e0b1c9a 1891nogas=":"
8182dc34 1892
8a608357 1893# machine
8d4c00ed 1894arch_default=$(uname -m)
38d0a8aa 1895cpu="generic"
8a608357 1896
8a608357 1897# OS
8d4c00ed
MR
1898target_os_default=$(tolower $(uname -s))
1899host_os=$target_os_default
8a608357 1900
8a608357 1901# configurable options
d89f2fa9 1902enable $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 1903
3e0b1c9a
DB
1904enable asm
1905enable debug
1906enable doc
8400d6b8 1907enable optimizations
8cfbbd92 1908enable safe_bitstream_reader
530dc538 1909enable static
a9ddb5b1 1910enable swscale_alpha
8a608357 1911
8a608357 1912# build settings
9987769a 1913SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1914AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1915LIBPREF="lib"
1916LIBSUF=".a"
c5f14466
RP
1917FULLNAME='$(NAME)$(BUILDSUF)'
1918LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1919SLIBPREF="lib"
1920SLIBSUF=".so"
c5f14466 1921SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1922SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1923SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1924LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1925SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1926SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1927
68485d1f
MR
1928asflags_filter=echo
1929cflags_filter=echo
64933b6c
MR
1930ldflags_filter=echo
1931
23565c26 1932AS_C='-c'
bc877faf 1933AS_O='-o $@'
23565c26 1934CC_C='-c'
18031c49 1935CC_E='-E -o $@'
7e6c86e6 1936CC_O='-o $@'
a758c5e2 1937LD_O='-o $@'
8db73c61
MR
1938LD_LIB='-l%'
1939LD_PATH='-L'
23565c26 1940HOSTCC_C='-c'
a758c5e2 1941HOSTCC_O='-o $@'
095792f2 1942HOSTLD_O='-o $@'
7e6c86e6 1943
4cc4b33f
DB
1944host_cflags='-O3 -g'
1945host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
9da6609f 1946host_libs='-lm'
6c3fa06a
MR
1947host_cflags_filter=echo
1948host_ldflags_filter=echo
9da6609f 1949
9b861379 1950target_path='$(CURDIR)'
a7ada2ba 1951
a158446b
MR
1952# since the object filename is not given with the -MM flag, the compiler
1953# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
1954DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1955DEPFLAGS='-MM'
315c741d 1956
c597172e 1957# find source path
24524f36 1958if test -f configure; then
f038cf3c 1959 source_path=.
c597172e 1960else
8477f2de 1961 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1962 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1963 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1964 test -e "$source_path/config.h" &&
1965 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1966fi
1967
13cbe2c0 1968for v in "$@"; do
b04251c5
MR
1969 r=${v#*=}
1970 l=${v%"$r"}
1971 r=$(sh_quote "$r")
29ba0911 1972 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1973done
c597172e 1974
73ef8980
MR
1975find_things(){
1976 thing=$1
1977 pattern=$2
1978 file=$source_path/$3
932ccf39 1979 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1980}
1981
1982ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1983DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1984HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1985PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1986BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1987MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1988DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1989OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1990INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1991PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1992FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1993
54e75be4
DB
1994ALL_COMPONENTS="
1995 $BSF_LIST
1996 $DECODER_LIST
1997 $DEMUXER_LIST
1998 $ENCODER_LIST
1999 $FILTER_LIST
2000 $HWACCEL_LIST
2001 $INDEV_LIST
2002 $MUXER_LIST
2003 $OUTDEV_LIST
2004 $PARSER_LIST
2005 $PROTOCOL_LIST
2006"
2007
8469ae22
MR
2008for n in $COMPONENT_LIST; do
2009 v=$(toupper ${n%s})_LIST
2010 eval enable \$$v
2011 eval ${n}_if_any="\$$v"
2012done
2013
206a070d 2014enable $ARCH_EXT_LIST
c597172e
MR
2015
2016die_unknown(){
2017 echo "Unknown option \"$1\"."
2018 echo "See $0 --help for available options."
2019 exit 1
2020}
2021
7432e872
DB
2022print_3_columns() {
2023 cat | tr ' ' '\n' | sort | pr -r -3 -t
2024}
2025
794f8e97 2026show_list() {
bf0c4afa
RP
2027 suffix=_$1
2028 shift
7432e872 2029 echo $* | sed s/$suffix//g | print_3_columns
794f8e97
PI
2030 exit 0
2031}
2032
154caa67
MR
2033rand_list(){
2034 IFS=', '
2035 set -- $*
2036 unset IFS
2037 for thing; do
2038 comp=${thing%:*}
2039 prob=${thing#$comp}
2040 prob=${prob#:}
2041 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2042 echo "prob ${prob:-0.5}"
2043 printf '%s\n' $comp
2044 done
2045}
2046
2047do_random(){
2048 action=$1
2049 shift
2050 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2051 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2052}
2053
c597172e 2054for opt do
7483e694
DB
2055 optval="${opt#*=}"
2056 case "$opt" in
ea061af1
DB
2057 --extra-ldflags=*)
2058 add_ldflags $optval
7e9e7cc2 2059 ;;
ea061af1
DB
2060 --extra-libs=*)
2061 add_extralibs $optval
7e9e7cc2 2062 ;;
ea061af1
DB
2063 --disable-devices)
2064 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 2065 ;;
ea061af1
DB
2066 --enable-debug=*)
2067 debuglevel="$optval"
7e9e7cc2
MR
2068 ;;
2069 --disable-programs)
2070 disable $PROGRAM_LIST
2071 ;;
2072 --disable-everything)
2073 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2074 ;;
844c6852
DB
2075 --disable-all)
2076 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2077 disable $LIBRARY_LIST $PROGRAM_LIST doc
2078 ;;
7e9e7cc2
MR
2079 --enable-random|--disable-random)
2080 action=${opt%%-random}
2081 do_random ${action#--} $COMPONENT_LIST
2082 ;;
2083 --enable-random=*|--disable-random=*)
2084 action=${opt%%-random=*}
2085 do_random ${action#--} $optval
2086 ;;
2087 --enable-*=*|--disable-*=*)
2088 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2089 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2090 eval list=\$$(toupper $thing)_LIST
2091 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2092 $action $(filter "$name" $list)
2093 ;;
2094 --enable-?*|--disable-?*)
2095 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2096 if is_in $option $COMPONENT_LIST; then
2097 test $action = disable && action=unset
2098 eval $action \$$(toupper ${option%s})_LIST
2099 elif is_in $option $CMDLINE_SELECT; then
2100 $action $option
2101 else
2102 die_unknown $opt
2103 fi
2104 ;;
2105 --list-*)
2106 NAME="${opt#--list-}"
2107 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2108 NAME=${NAME%s}
2109 eval show_list $NAME \$$(toupper $NAME)_LIST
2110 ;;
2111 --help|-h) show_help
2112 ;;
2113 *)
2114 optname="${opt%%=*}"
2115 optname="${optname#--}"
2116 optname=$(echo "$optname" | sed 's/-/_/g')
2117 if is_in $optname $CMDLINE_SET; then
2118 eval $optname='$optval'
2119 elif is_in $optname $CMDLINE_APPEND; then
2120 append $optname "$optval"
2121 else
2122 die_unknown $opt
2123 fi
2124 ;;
7483e694 2125 esac
c597172e
MR
2126done
2127
bcea99bb
MR
2128disabled logging && logfile=/dev/null
2129
29ba0911 2130echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2131set >> $logfile
2132
9da6609f
MR
2133test -n "$cross_prefix" && enable cross_compile
2134
8d4c00ed
MR
2135if enabled cross_compile; then
2136 test -n "$arch" && test -n "$target_os" ||
2137 die "Must specify target arch and OS when cross-compiling"
2138fi
2139
121d78d0 2140ar_default="${cross_prefix}${ar_default}"
11e6d03a 2141cc_default="${cross_prefix}${cc_default}"
20e0ed95 2142nm_default="${cross_prefix}${nm_default}"
3f8040db 2143pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2144ranlib="${cross_prefix}${ranlib}"
adb2b908 2145
c5200f17
MR
2146sysinclude_default="${sysroot}/usr/include"
2147
aeeb782c 2148case "$toolchain" in
0fbb62a8
LB
2149 clang-asan)
2150 cc_default="clang"
2151 add_cflags -faddress-sanitizer
2152 add_ldflags -faddress-sanitizer
2153 ;;
2154 clang-tsan)
2155 cc_default="clang"
2156 add_cflags -fthread-sanitizer
2157 add_ldflags -fthread-sanitizer
2158 ;;
aeeb782c
MR
2159 msvc)
2160 cc_default="c99wrap cl"
2161 ld_default="c99wrap link"
2162 nm_default="dumpbin -symbols"
ac3a9b51 2163 ar_default="lib"
53e8cd68 2164 target_os_default="win32"
aeeb782c
MR
2165 ;;
2166 ?*)
2167 die "Unknown toolchain $toolchain"
2168 ;;
2169esac
2170
53e8cd68 2171set_default arch cc pkg_config sysinclude target_os
9da6609f
MR
2172enabled cross_compile || host_cc_default=$cc
2173set_default host_cc
13c7df3d 2174
762f95e4
MR
2175if ! $pkg_config --version >/dev/null 2>&1; then
2176 warn "$pkg_config not found, library detection may fail."
2177 pkg_config=false
2178fi
2179
82bb3329
MR
2180exesuf() {
2181 case $1 in
53e8cd68 2182 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2183 esac
2184}
2185
2186EXESUF=$(exesuf $target_os)
2187HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2188
e4e69e0b 2189# set temporary file name
a49d42c2 2190: ${TMPDIR:=$TEMPDIR}
c51fafa1 2191: ${TMPDIR:=$TMP}
a49d42c2 2192: ${TMPDIR:=/tmp}
e4e69e0b 2193
a210bce2 2194if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2195 # simple replacement for missing mktemp
2196 # NOT SAFE FOR GENERAL USE
2197 mktemp(){
09a5c245 2198 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2199 }
2200fi
2201
2202tmpfile(){
2203 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2204 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2205 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2206 append TMPFILES $tmp
2207 eval $1=$tmp
2208}
2209
2210trap 'rm -f -- $TMPFILES' EXIT
54460a83 2211
55127e7b 2212tmpfile TMPASM .asm
3e0b1c9a
DB
2213tmpfile TMPC .c
2214tmpfile TMPE $EXESUF
2215tmpfile TMPH .h
2216tmpfile TMPO .o
2217tmpfile TMPS .S
2218tmpfile TMPSH .sh
2219tmpfile TMPV .ver
54460a83
MR
2220
2221unset -f mktemp
e4e69e0b 2222
fb3c4ffc
MR
2223chmod +x $TMPE
2224
993f2d0f
MR
2225# make sure we can execute files in $TMPDIR
2226cat > $TMPSH 2>> $logfile <<EOF
2227#! /bin/sh
2228EOF
2229chmod +x $TMPSH >> $logfile 2>&1
2230if ! $TMPSH >> $logfile 2>&1; then
2231 cat <<EOF
2232Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2233variable to another directory and make sure that it is not mounted noexec.
2234EOF
2235 die "Sanity test failed."
2236fi
993f2d0f 2237
457cc333
MR
2238ccc_flags(){
2239 for flag; do
2240 case $flag in
2241 -std=c99) echo -c99 ;;
2242 -mcpu=*) echo -arch ${flag#*=} ;;
2243 -mieee) echo -ieee ;;
2244 -O*|-fast) echo $flag ;;
2245 -fno-math-errno) echo -assume nomath_errno ;;
2246 -g) echo -g3 ;;
2247 -Wall) echo -msg_enable level2 ;;
2248 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2249 -Wl,*) echo $flag ;;
2250 -f*|-W*) ;;
2251 *) echo $flag ;;
2252 esac
2253 done
2254}
2255
dfa559bc
RB
2256msvc_flags(){
2257 for flag; do
2258 case $flag in
2259 -fomit-frame-pointer) echo -Oy ;;
2260 -g) echo -Z7 ;;
2261 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2262 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4a185ed2 2263 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
d66c52c2 2264 -wd4996 -wd4273 ;;
dfa559bc
RB
2265 -std=c99) ;;
2266 -fno-math-errno) ;;
2267 -fno-common) ;;
2268 -fno-signed-zeros) ;;
50640977 2269 -fPIC) ;;
dfa559bc 2270 -lz) echo zlib.lib ;;
bd680c7b
DB
2271 -lavifil32) echo vfw32.lib ;;
2272 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2273 -l*) echo ${flag#-l}.lib ;;
2274 *) echo $flag ;;
2275 esac
2276 done
2277}
2278
d0c6d424
MR
2279pgi_flags(){
2280 for flag; do
2281 case $flag in
643933f5 2282 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2283 -fomit-frame-pointer) echo -Mnoframe ;;
2284 -g) echo -gopt ;;
2285 *) echo $flag ;;
2286 esac
2287 done
2288}
2289
2290suncc_flags(){
2291 for flag; do
2292 case $flag in
2293 -march=*|-mcpu=*)
2294 case "${flag#*=}" in
2295 native) echo -xtarget=native ;;
2296 v9|niagara) echo -xarch=sparc ;;
2297 ultrasparc) echo -xarch=sparcvis ;;
2298 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2299 i586|pentium) echo -xchip=pentium ;;
2300 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2301 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2302 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2303 pentium4*) echo -xtarget=pentium4 ;;
2304 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2305 *-sse3) echo -xarch=sse3 ;;
2306 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2307 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2308 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2309 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
d0c6d424
MR
2310 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2311 k8|opteron|athlon64|athlon-fx)
2312 echo -xarch=sse2a ;;
2313 athlon*) echo -xarch=pentium_proa ;;
2314 esac
2315 ;;
2316 -std=c99) echo -xc99 ;;
2317 -fomit-frame-pointer) echo -xregs=frameptr ;;
2318 -fPIC) echo -KPIC -xcode=pic32 ;;
2319 -W*,*) echo $flag ;;
5e753ed5
SM
2320 -f*-*|-W*|-mimpure-text) ;;
2321 -shared) echo -G ;;
d0c6d424
MR
2322 *) echo $flag ;;
2323 esac
2324 done
2325}
2326
2327tms470_flags(){
2328 for flag; do
2329 case $flag in
2330 -march=*|-mcpu=*)
2331 case "${flag#*=}" in
2332 armv7-a|cortex-a*) echo -mv=7a8 ;;
2333 armv7-r|cortex-r*) echo -mv=7r4 ;;
2334 armv7-m|cortex-m*) echo -mv=7m3 ;;
2335 armv6*|arm11*) echo -mv=6 ;;
2336 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2337 echo -mv=5e ;;
2338 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2339 esac
2340 ;;
2341 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2342 -mfpu=vfp) echo --float_support=vfpv2 ;;
2343 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2344 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2345 -msoft-float) echo --float_support=vfplib ;;
2346 -O[0-3]|-mf=*) echo $flag ;;
2347 -g) echo -g -mn ;;
2348 -pds=*) echo $flag ;;
ad93dccb
MR
2349 -D*|-I*) echo $flag ;;
2350 --gcc|--abi=*) echo $flag ;;
2351 -me) echo $flag ;;
d0c6d424
MR
2352 esac
2353 done
2354}
2355
a758c5e2
MR
2356probe_cc(){
2357 pfx=$1
2358 _cc=$2
2359
8db73c61
MR
2360 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2361 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2362 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2363 _flags_filter=echo
2364
2365 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2366 _type=llvm_gcc
2367 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2368 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2369 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2370 _cflags_speed='-O3'
2371 _cflags_size='-Os'
2372 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2373 _type=gcc
2374 gcc_version=$($_cc --version | head -n1)
2375 gcc_basever=$($_cc -dumpversion)
2376 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2377 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2378 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2379 if ! $_cc -dumpversion | grep -q '^2\.'; then
2380 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2381 fi
2382 _cflags_speed='-O3'
2383 _cflags_size='-Os'
b2d688ea 2384 elif $_cc --version 2>/dev/null | grep -q ^icc; then
a758c5e2
MR
2385 _type=icc
2386 _ident=$($_cc --version | head -n1)
2387 _depflags='-MMD'
2388 _cflags_speed='-O3'
2389 _cflags_size='-Os'
2390 _cflags_noopt='-O1'
2391 elif $_cc -v 2>&1 | grep -q xlc; then
2392 _type=xlc
2393 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2394 _cflags_speed='-O5'
2395 _cflags_size='-O5 -qcompact'
2396 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2397 _type=ccc
2398 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2399 _DEPFLAGS='-M'
a758c5e2
MR
2400 _cflags_speed='-fast'
2401 _cflags_size='-O1'
457cc333 2402 _flags_filter=ccc_flags
a758c5e2
MR
2403 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2404 test -d "$sysroot" || die "No valid sysroot specified."
2405 _type=armcc
2406 _ident=$($_cc --vsn | head -n1)
2407 armcc_conf="$PWD/armcc.conf"
2408 $_cc --arm_linux_configure \
2409 --arm_linux_config_file="$armcc_conf" \
2410 --configure_sysroot="$sysroot" \
2411 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2412 die "Error creating armcc configuration file."
2413 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2414 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2415 as_default="${cross_prefix}gcc"
2416 _depflags='-MMD'
2417 _cflags_speed='-O3'
2418 _cflags_size='-Os'
0122118e 2419 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2420 _type=tms470
2421 _ident=$($_cc -version | head -n1 | tr -s ' ')
2422 _flags='--gcc --abi=eabi -me'
18031c49 2423 _cc_e='-ppl -fe=$@'
a758c5e2 2424 _cc_o='-fe=$@'
a758c5e2
MR
2425 _depflags='-ppa -ppd=$(@:.o=.d)'
2426 _cflags_speed='-O3 -mf=5'
2427 _cflags_size='-O3 -mf=2'
2428 _flags_filter=tms470_flags
2429 elif $_cc -v 2>&1 | grep -q clang; then
2430 _type=clang
2431 _ident=$($_cc --version | head -n1)
2432 _depflags='-MMD'
2433 _cflags_speed='-O3'
2434 _cflags_size='-Os'
2435 elif $_cc -V 2>&1 | grep -q Sun; then
2436 _type=suncc
2437 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2438 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2439 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2440 _ldflags='-std=c99'
2441 _cflags_speed='-O5'
2442 _cflags_size='-O5 -xspace'
2443 _flags_filter=suncc_flags
2444 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2445 _type=pathscale
2446 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2447 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2448 _cflags_speed='-O2'
2449 _cflags_size='-Os'
2450 _flags_filter='filter_out -Wdisabled-optimization'
2451 elif $_cc -v 2>&1 | grep -q Open64; then
2452 _type=open64
2453 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2454 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2455 _cflags_speed='-O2'
2456 _cflags_size='-Os'
2457 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2458 elif $_cc -V 2>&1 | grep -q Portland; then
2459 _type=pgi
2460 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2461 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2462 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2463 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2464 _cflags_noopt="-O1"
2465 _flags_filter=pgi_flags
dfa559bc
RB
2466 elif $_cc 2>&1 | grep -q Microsoft; then
2467 _type=msvc
2468 _ident=$($cc 2>&1 | head -n1)
2469 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2470 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2471 _cflags_speed="-O2"
2472 _cflags_size="-O1"
2473 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2474 if $_cc 2>&1 | grep -q Linker; then
2475 _ld_o='-out $@'
2476 else
2477 _ld_o='-Fe$@'
2478 fi
2479 _cc_o='-Fo $@'
a224b2cb 2480 _cc_e='-P -Fi $@'
dfa559bc
RB
2481 _flags_filter=msvc_flags
2482 _ld_lib='lib%.a'
2483 _ld_path='-libpath:'
2484 _flags='-nologo'
2485 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2486 if [ $pfx = hostcc ]; then
6a0200f2 2487 append _cflags -Dsnprintf=_snprintf
dfa559bc 2488 fi
aef6bd1b 2489 fi
a758c5e2
MR
2490
2491 eval ${pfx}_type=\$_type
2492 eval ${pfx}_ident=\$_ident
2493}
2494
2495set_ccvars(){
23565c26 2496 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2497 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2498 eval ${1}_O=\${_cc_o-\${${1}_O}}
2499
2500 if [ -n "$_depflags" ]; then
2501 eval ${1}_DEPFLAGS=\$_depflags
2502 else
2503 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2504 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2505 eval DEP${1}FLAGS=\$_flags
2506 fi
2507}
2508
2509probe_cc cc "$cc"
2510cflags_filter=$_flags_filter
2511cflags_speed=$_cflags_speed
2512cflags_size=$_cflags_size
2513cflags_noopt=$_cflags_noopt
2514add_cflags $_flags $_cflags
2515cc_ldflags=$_ldflags
2516set_ccvars CC
2517
2518probe_cc hostcc "$host_cc"
2519host_cflags_filter=$_flags_filter
a758c5e2 2520add_host_cflags $_flags $_cflags
a758c5e2 2521set_ccvars HOSTCC
629687f6 2522
851ffa80
MR
2523test -n "$cc_type" && enable $cc_type ||
2524 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2525
75bafbac 2526: ${as_default:=$cc}
50567afa 2527: ${dep_cc_default:=$cc}
684b28e0 2528: ${ld_default:=$cc}
095792f2
MR
2529: ${host_ld_default:=$host_cc}
2530set_default ar as dep_cc ld host_ld
75800dce 2531
a758c5e2
MR
2532probe_cc as "$as"
2533asflags_filter=$_flags_filter
2534add_asflags $_flags $_cflags
2535set_ccvars AS
2536
2537probe_cc ld "$ld"
2538ldflags_filter=$_flags_filter
2539add_ldflags $_flags $_ldflags
2540test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2541LD_O=${_ld_o-$LD_O}
8db73c61
MR
2542LD_LIB=${_ld_lib-$LD_LIB}
2543LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2544
095792f2
MR
2545probe_cc hostld "$host_ld"
2546host_ldflags_filter=$_flags_filter
2547add_host_ldflags $_flags $_ldflags
2548HOSTLD_O=${_ld_o-$HOSTLD_O}
2549
a758c5e2
MR
2550if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2551 probe_cc depcc "$dep_cc"
2552 CCDEP=${_DEPCMD:-$DEPCMD}
2553 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2554 DEPCCFLAGS=$_flags
2555fi
07dec06e 2556
3dbc777c
MR
2557if $ar 2>&1 | grep -q Microsoft; then
2558 arflags="-nologo"
2559 ar_o='-out:$@'
2560elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2561 arflags="rq"
2562 ar_o='$@'
2563else
2564 arflags="rc"
2565 ar_o='$@'
2566fi
2567
7f32f40c 2568add_cflags $extra_cflags
2f2e6c7c 2569add_asflags $extra_cflags
7f32f40c 2570
154d432c
MR
2571if test -n "$sysroot"; then
2572 case "$cc_type" in
00ba041c 2573 gcc|llvm_gcc|clang)
467256f2 2574 add_cppflags --sysroot="$sysroot"
154d432c
MR
2575 add_ldflags --sysroot="$sysroot"
2576 ;;
6fec122a
MR
2577 tms470)
2578 add_cppflags -I"$sysinclude"
2579 add_ldflags --sysroot="$sysroot"
2580 ;;
154d432c
MR
2581 esac
2582fi
2583
d22c13a8
MR
2584if test "$cpu" = host; then
2585 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2586
2587 case "$cc_type" in
613a4e3f 2588 gcc|llvm_gcc)
d22c13a8
MR
2589 check_native(){
2590 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2591 sed -n "/cc1.*$1=/{
27ce1be8
MR
2592 s/.*$1=\\([^ ]*\\).*/\\1/
2593 p
2594 q
2595 }" $TMPE
d22c13a8
MR
2596 }
2597 cpu=$(check_native -march || check_native -mcpu)
2598 ;;
2599 esac
2600
2601 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2602fi
2603
e939cedd
MR
2604# Deal with common $arch aliases
2605case "$arch" in
5873b623
MR
2606 aarch64|arm64)
2607 arch="aarch64"
2608 ;;
e939cedd
MR
2609 arm*)
2610 arch="arm"
2611 ;;
2acda282 2612 mips*|IP*)
e939cedd
MR
2613 arch="mips"
2614 ;;
a6e9d649 2615 parisc*|hppa*)
e939cedd
MR
2616 arch="parisc"
2617 ;;
56203596 2618 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2619 arch="ppc"
2620 ;;
e939cedd
MR
2621 s390|s390x)
2622 arch="s390"
2623 ;;
2624 sh4|sh)
2625 arch="sh4"
2626 ;;
4cd217c0 2627 sun4u|sparc*)
e939cedd 2628 arch="sparc"
e939cedd 2629 ;;
c75848cd
DB
2630 tilegx|tile-gx)
2631 arch="tilegx"
2632 ;;
d33ed7b3 2633 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2634 arch="x86"
2635 ;;
2636esac
2637
851ffa80 2638is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2639enable $arch
e939cedd 2640
df5cdc24 2641# Add processor-specific flags
9ebd45c2 2642if enabled aarch64; then
33db40f8
MR
2643
2644 case $cpu in
2645 armv*)
2646 cpuflags="-march=$cpu"
2647 ;;
2648 *)
2649 cpuflags="-mcpu=$cpu"
2650 ;;
2651 esac
2652
2653elif enabled alpha; then
2654
2655 cpuflags="-mcpu=$cpu"
2656
2657elif enabled arm; then
2658
1234c66a
MR
2659 check_arm_arch() {
2660 check_cpp_condition stddef.h \
2661 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2662 $cpuflags
2663 }
2664
2665 probe_arm_arch() {
2666 if check_arm_arch 4; then echo armv4;
2667 elif check_arm_arch 4T; then echo armv4t;
2668 elif check_arm_arch 5; then echo armv5;
2669 elif check_arm_arch 5E; then echo armv5e;
2670 elif check_arm_arch 5T; then echo armv5t;
2671 elif check_arm_arch 5TE; then echo armv5te;
2672 elif check_arm_arch 5TEJ; then echo armv5te;
2673 elif check_arm_arch 6; then echo armv6;
2674 elif check_arm_arch 6J; then echo armv6j;
2675 elif check_arm_arch 6K; then echo armv6k;
2676 elif check_arm_arch 6Z; then echo armv6z;
2677 elif check_arm_arch 6ZK; then echo armv6zk;
2678 elif check_arm_arch 6T2; then echo armv6t2;
2679 elif check_arm_arch 7; then echo armv7;
2680 elif check_arm_arch 7A 7_A; then echo armv7-a;
2681 elif check_arm_arch 7R 7_R; then echo armv7-r;
2682 elif check_arm_arch 7M 7_M; then echo armv7-m;
2683 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2684 elif check_arm_arch 8A 8_A; then echo armv8-a;
2685 fi
2686 }
2687
2688 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2689
33db40f8
MR
2690 case $cpu in
2691 armv*)
2692 cpuflags="-march=$cpu"
2693 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2694 ;;
2695 *)
2696 cpuflags="-mcpu=$cpu"
2697 case $cpu in
2698 cortex-a*) subarch=armv7a ;;
2699 cortex-r*) subarch=armv7r ;;
2700 cortex-m*) enable thumb; subarch=armv7m ;;
2701 arm11*) subarch=armv6 ;;
2702 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2703 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 2704 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
2705 esac
2706 ;;
2707 esac
2708
f0fe245b
MR
2709 case "$subarch" in
2710 armv5t*) enable fast_clz ;;
2711 armv[6-8]*) enable fast_clz fast_unaligned ;;
2712 esac
2713
33db40f8
MR
2714elif enabled avr32; then
2715
2716 case $cpu in
2717 ap7[02]0[0-2])
2718 subarch="avr32_ap"
2719 cpuflags="-mpart=$cpu"
2720 ;;
2721 ap)
2722 subarch="avr32_ap"
2723 cpuflags="-march=$cpu"
2724 ;;
2725 uc3[ab]*)
2726 subarch="avr32_uc"
2727 cpuflags="-mcpu=$cpu"
2728 ;;
2729 uc)
2730 subarch="avr32_uc"
2731 cpuflags="-march=$cpu"
2732 ;;
2733 esac
2734
2735elif enabled bfin; then
2736
2737 cpuflags="-mcpu=$cpu"
2738
2739elif enabled mips; then
2740
2741 cpuflags="-march=$cpu"
2742
5d54c126 2743elif enabled ppc; then
343aef9b 2744
56348891
MR
2745 case $(tolower $cpu) in
2746 601|ppc601|powerpc601)
9dbd5c3d 2747 cpuflags="-mcpu=601"
64ad53ff 2748 disable altivec
9dbd5c3d 2749 ;;
56348891 2750 603*|ppc603*|powerpc603*)
9dbd5c3d 2751 cpuflags="-mcpu=603"
64ad53ff 2752 disable altivec
9dbd5c3d 2753 ;;
56348891 2754 604*|ppc604*|powerpc604*)
9dbd5c3d 2755 cpuflags="-mcpu=604"
64ad53ff 2756 disable altivec
9dbd5c3d 2757 ;;
56348891 2758 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 2759 cpuflags="-mcpu=750"
64ad53ff 2760 disable altivec
9dbd5c3d 2761 ;;
56348891 2762 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 2763 cpuflags="-mcpu=7450"
9dbd5c3d 2764 ;;
56348891 2765 74*|ppc74*|powerpc74*)
7f1fcaf0 2766 cpuflags="-mcpu=7400"
9dbd5c3d 2767 ;;
313f9fbf 2768 g5|970|ppc970|powerpc970)
7f1fcaf0 2769 cpuflags="-mcpu=970"
9dbd5c3d 2770 ;;
313f9fbf 2771 power[3-7]*)
7f1fcaf0 2772 cpuflags="-mcpu=$cpu"
313f9fbf 2773 ;;
56348891 2774 cell)
9dbd5c3d
MR
2775 cpuflags="-mcpu=cell"
2776 enable ldbrx
2777 ;;
4ab26cb4
DB
2778 e500mc)
2779 cpuflags="-mcpu=e500mc"
2780 disable altivec
2781 ;;
7b0b81a1
AL
2782 e500v2)
2783 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2784 disable altivec
2785 ;;
2786 e500)
2787 cpuflags="-mcpu=8540 -mhard-float"
2788 disable altivec
2789 ;;
9dbd5c3d 2790 esac
343aef9b 2791
33db40f8
MR
2792elif enabled sparc; then
2793
2794 case $cpu in
2795 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2796 cpuflags="-mcpu=$cpu"
2797 disable vis
2798 ;;
2799 ultrasparc*|niagara[234])
2800 cpuflags="-mcpu=$cpu"
2801 ;;
2802 esac
2803
343aef9b
MR
2804elif enabled x86; then
2805
9dbd5c3d
MR
2806 case $cpu in
2807 i[345]86|pentium)
2808 cpuflags="-march=$cpu"
2809 disable mmx
2810 ;;
2811 # targets that do NOT support conditional mov (cmov)
2812 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2813 cpuflags="-march=$cpu"
2814 disable cmov
2815 ;;
2816 # targets that do support conditional mov (cmov)
f2ce813e 2817 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d
MR
2818 cpuflags="-march=$cpu"
2819 enable cmov
2820 enable fast_cmov
2821 ;;
2822 # targets that do support conditional mov but on which it's slow
2823 pentium4|pentium4m|prescott|nocona)
2824 cpuflags="-march=$cpu"
2825 enable cmov
2826 disable fast_cmov
2827 ;;
2828 esac
343aef9b 2829
343aef9b
MR
2830fi
2831
9ebd45c2
MR
2832if [ "$cpu" != generic ]; then
2833 add_cflags $cpuflags
2834 add_asflags $cpuflags
2835fi
df5cdc24 2836
993f2d0f
MR
2837# compiler sanity check
2838check_exec <<EOF
2839int main(void){ return 0; }
2840EOF
2841if test "$?" != 0; then
2842 echo "$cc is unable to create an executable file."
2843 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2844 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2845 echo "Only do this if you know what cross compiling means."
2846 fi
2847 die "C compiler test failed."
2848fi
2849
046f081b 2850add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2851check_cflags -std=c99
50a334e4 2852check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2853#include <stdlib.h>
2854EOF
50a334e4 2855check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2856#include <stdlib.h>
2857EOF
e9b9a2f8 2858
f0125de9 2859check_host_cflags -std=c99
0a6db2a2 2860check_host_cflags -Wall
f0125de9 2861
d4c99513
MR
2862check_64bit(){
2863 arch32=$1
2864 arch64=$2
2865 expr=$3
2866 check_code cc "" "int test[2*($expr) - 1]" &&
2867 subarch=$arch64 || subarch=$arch32
2868}
2869
b24dbcbd 2870case "$arch" in
d11cb13b 2871 aarch64|alpha|ia64)
2acda282
MR
2872 spic=$shared
2873 ;;
2874 mips)
2875 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 2876 spic=$shared
b24dbcbd 2877 ;;
a6e9d649
MR
2878 parisc)
2879 check_64bit parisc parisc64 'sizeof(void *) > 4'
2880 spic=$shared
2881 ;;
56203596
MR
2882 ppc)
2883 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 2884 spic=$shared
56203596 2885 ;;
4cd217c0
MR
2886 sparc)
2887 check_64bit sparc sparc64 'sizeof(void *) > 4'
2888 spic=$shared
2889 ;;
e939cedd 2890 x86)
d4c99513 2891 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 2892 if test "$subarch" = "x86_64"; then
e939cedd 2893 spic=$shared
de27f4d9 2894 fi
b24dbcbd 2895 ;;
b24dbcbd
RP
2896esac
2897
343aef9b 2898enable $subarch
8a3c8627 2899enabled spic && enable pic
b24dbcbd 2900
7483e694 2901# OS specific
4f854758 2902case $target_os in
a1629e28 2903 haiku)
63ae7e7c 2904 prefix_default="/boot/common"
108caaaa 2905 network_extralibs="-lnetwork"
f59c4bd6 2906 host_libs=
a1629e28 2907 ;;
7483e694 2908 sunos)
4d58e4cb 2909 AVSERVERLDFLAGS=""
9987769a 2910 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2911 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2912 network_extralibs="-lsocket -lnsl"
779222db 2913 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2914 # When using suncc to build, the Solaris linker will mark
2915 # an executable with each instruction set encountered by
2916 # the Solaris assembler. As our libraries contain their own
2917 # guards for processor-specific code, instead suppress
2918 # generation of the HWCAPS ELF section on Solaris x86 only.
2919 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2a8a860a 2920 nm_default='nm -P -g'
7483e694
DB
2921 ;;
2922 netbsd)
a1e4b3f6 2923 disable symver
07a8eef6
MR
2924 oss_indev_extralibs="-lossaudio"
2925 oss_outdev_extralibs="-lossaudio"
7483e694 2926 ;;
d488c3bc 2927 openbsd|bitrig)
a1e4b3f6 2928 disable symver
7483e694 2929 SHFLAGS='-shared'
69dca3a4 2930 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
d5683aba 2931 SLIB_INSTALL_LINKS=
07a8eef6
MR
2932 oss_indev_extralibs="-lossaudio"
2933 oss_outdev_extralibs="-lossaudio"
7483e694 2934 ;;
a1e4b3f6 2935 dragonfly)
a1e4b3f6
MR
2936 disable symver
2937 ;;
2938 freebsd)
7483e694
DB
2939 ;;
2940 bsd/os)
355d81df 2941 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2942 ;;
2943 darwin)
301ab19d 2944 gas="gas-preprocessor.pl $cc"
e08b8239 2945 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2946 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2947 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2948 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2949 SLIBSUF=".dylib"
2950 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2951 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2952 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2953 objformat="macho"
1b0f6fb8 2954 enabled x86_64 && objformat="macho64"
8dfa86f7 2955 enabled_any pic shared ||
2704bd1a 2956 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2957 ;;
2958 mingw32*)
9d3f4f50 2959 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2960 disable network
2961 else
2962 target_os=mingw32
2963 fi
dcc01c06 2964 LIBTARGET=i386
1fc9fb8a 2965 if enabled x86_64; then
417516f6 2966 LIBTARGET="i386:x86-64"
336cc1b0 2967 elif enabled arm; then
15c5156d 2968 LIBTARGET=arm-wince
dcc01c06 2969 fi
fbd971a4 2970 shlibdir_default="$bindir_default"
7483e694
DB
2971 SLIBPREF=""
2972 SLIBSUF=".dll"
7483e694
DB
2973 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2974 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
eb7018d2 2975 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2f138f0b
MR
2976 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2977 SLIB_INSTALL_LINKS=
2978 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2979 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
eb7018d2 2980 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2981 objformat="win32"
ec10a9ab 2982 dlltool="${cross_prefix}dlltool"
a3222470 2983 ranlib=:
bc574408 2984 enable dos_paths
7483e694 2985 ;;
53e8cd68 2986 win32|win64)
d66c52c2
MS
2987 if enabled shared; then
2988 # Link to the import library instead of the normal static library
2989 # for shared libs.
2990 LD_LIB='%.lib'
2991 # Cannot build shared and static libraries at the same time with
2992 # MSVC.
2993 disable static
2994 fi
2995 shlibdir_default="$bindir_default"
2996 SLIBPREF=""
2997 SLIBSUF=".dll"
2998 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2999 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3000 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3001 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3002 SLIB_INSTALL_LINKS=
3003 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3004 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3005 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
53e8cd68
MS
3006 objformat="win32"
3007 ranlib=:
3008 enable dos_paths
3009 ;;
7483e694 3010 cygwin*)
4f854758 3011 target_os=cygwin
fbd971a4 3012 shlibdir_default="$bindir_default"
7483e694
DB
3013 SLIBPREF="cyg"
3014 SLIBSUF=".dll"
3015 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3016 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
3017 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3018 SLIB_INSTALL_LINKS=
3019 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3020 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 3021 objformat="win32"
bc574408 3022 enable dos_paths
7483e694 3023 ;;
4f365f37 3024 *-dos|freedos|opendos)
4f365f37 3025 network_extralibs="-lsocket"
ff1c015d 3026 objformat="coff"
bc574408 3027 enable dos_paths
a7a187a1 3028 add_cppflags -U__STRICT_ANSI__
4f365f37 3029 ;;
7483e694 3030 linux)
7483e694
DB
3031 enable dv1394
3032 ;;
3033 irix*)
4f854758 3034 target_os=irix
7483e694
DB
3035 ranlib="echo ignoring ranlib"
3036 ;;
d22e8442 3037 os/2*)
d22e8442 3038 ln_s="cp -f"
9297f1ed 3039 objformat="aout"
e14574eb 3040 add_cppflags -D_GNU_SOURCE
355d81df 3041 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 3042 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 3043 AVSERVERLDFLAGS=""
287d3b13 3044 LIBSUF="_s.a"
d22e8442
DY
3045 SLIBPREF=""
3046 SLIBSUF=".dll"
3047 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3048 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62 3049 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
f69f51b3
DB
3050 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3051 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3052 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3053 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3054 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
71c61f62 3055 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
f69f51b3 3056 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 3057 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 3058 enable dos_paths
d22e8442 3059 ;;
83993c1c 3060 gnu/kfreebsd)
3bd1eacd 3061 add_cppflags -D_BSD_SOURCE
83993c1c 3062 ;;
34e82167 3063 gnu)
34e82167 3064 ;;
d33ed7b3
MR
3065 qnx)
3066 add_cppflags -D_QNX_SOURCE
3067 network_extralibs="-lsocket"
3068 ;;
1c69c79f
MS
3069 symbian)
3070 SLIBSUF=".dll"
3071 enable dos_paths
e3bc07f4
MS
3072 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3073 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3074 add_ldflags -Wl,--target1-abs,--no-undefined \
3075 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3076 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3077 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3078 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3079 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 3080 ;;
fdd66609
MR
3081 osf1)
3082 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3083 AVSERVERLDFLAGS=
3084 ;;
741a8b72
MR
3085 minix)
3086 ;;
4ebc6a74
MR
3087 plan9)
3088 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3089 -D_REENTRANT_SOURCE \
3090 -D_RESEARCH_SOURCE \
3091 -DFD_SETSIZE=96 \
3092 -DHAVE_SOCK_OPTS
3093 add_compat strtod.o strtod=avpriv_strtod
3094 network_extralibs='-lbsd'
3095 exeobjs=compat/plan9/main.o
3096 disable avserver
4ebc6a74
MR
3097 cp_f='cp'
3098 ;;
614d8911
MR
3099 none)
3100 ;;
7483e694 3101 *)
4f924f9a 3102 die "Unknown OS '$target_os'."
7483e694
DB
3103 ;;
3104esac
3105
b797f3c4
MR
3106# determine libc flavour
3107
197252f1 3108# uclibc defines __GLIBC__, so it needs to be checked before glibc.
b797f3c4
MR
3109if check_cpp_condition features.h "defined __UCLIBC__"; then
3110 libc_type=uclibc
3bd1eacd 3111 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3112elif check_cpp_condition features.h "defined __GLIBC__"; then
3113 libc_type=glibc
3bd1eacd 3114 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
29f1fa74
DB
3115# MinGW headers can be installed on Cygwin, so check for newlib first.
3116elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3117 libc_type=newlib
3118 add_cppflags -U__STRICT_ANSI__
b797f3c4
MR
3119elif check_header _mingw.h; then
3120 libc_type=mingw
3121 check_cpp_condition _mingw.h \
3122 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3123 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3124 die "ERROR: MinGW runtime version must be >= 3.15."
759a3a21 3125 add_cppflags -U__STRICT_ANSI__
4fa661a8
RB
3126elif check_func_headers stdlib.h _get_doserrno; then
3127 libc_type=msvcrt
84e65c76
MR
3128 add_compat strtod.o strtod=avpriv_strtod
3129 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3130 _snprintf=avpriv_snprintf \
3131 vsnprintf=avpriv_vsnprintf
b797f3c4
MR
3132elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3133 libc_type=klibc
3134fi
3135
3136test -n "$libc_type" && enable $libc_type
3137
5ab432fa
MR
3138# hacks for compiler/libc/os combinations
3139
3140if enabled_all tms470 glibc; then
b6f8d635 3141 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5ab432fa
MR
3142 add_cppflags -D__USER_LABEL_PREFIX__=
3143 add_cppflags -D__builtin_memset=memset
3144 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3145 add_cflags -pds=48 # incompatible redefinition of macro
3146fi
3147
457cc333
MR
3148if enabled_all ccc glibc; then
3149 add_ldflags -Wl,-z,now # calls to libots crash without this
3150fi
3151
6555acad
MR
3152esc(){
3153 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3154}
3155
3156echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 3157
13cb2187
AS
3158check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3159
c9d19248 3160set_default $PATHS_LIST
2a8a860a 3161set_default nm
c9d19248 3162
320d060a 3163# we need to build at least one lib type
93b3c083 3164if ! enabled_any static shared; then
320d060a
DB
3165 cat <<EOF
3166At least one library type must be built.
3167Specify --enable-static to build the static libraries or --enable-shared to
3168build the shared libraries as well. To only build the shared libraries specify
3169--disable-static in addition to --enable-shared.
3170EOF
3171 exit 1;
3172fi
3173
2184c6f7 3174die_license_disabled() {
4c27207c 3175 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
3176}
3177
e417d80d 3178die_license_disabled gpl libcdio
2184c6f7 3179die_license_disabled gpl libx264
de295976 3180die_license_disabled gpl libxavs
2184c6f7 3181die_license_disabled gpl libxvid
2184c6f7
DB
3182die_license_disabled gpl x11grab
3183
2f7ae63b 3184die_license_disabled nonfree libfaac
87246953 3185die_license_disabled nonfree libfdk_aac
a060866f 3186die_license_disabled nonfree openssl
b2e3c528 3187
0b175caa
DB
3188die_license_disabled version3 libopencore_amrnb
3189die_license_disabled version3 libopencore_amrwb
d89e738a 3190die_license_disabled version3 libvo_aacenc
f502ff3f 3191die_license_disabled version3 libvo_amrwbenc
0b175caa 3192
9cad0e4e 3193enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 3194
40617a6d 3195disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 3196
e276d9e8
MR
3197enable_pic() {
3198 enable pic
bce7b696
MR
3199 add_cppflags -DPIC
3200 add_cflags -fPIC
3201 add_asflags -fPIC
e276d9e8
MR
3202}
3203
3204enabled pic && enable_pic
bce7b696 3205
b4d96ba2
MR
3206check_cc <<EOF || die "Symbol mangling check failed."
3207int ff_extern;
3208EOF
2a8a860a 3209sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
3210extern_prefix=${sym%%ff_extern*}
3211
afb5ed55 3212check_cc <<EOF && enable_weak inline_asm
f65883c8
MR
3213void foo(void) { __asm__ volatile ("" ::); }
3214EOF
61d251db 3215
df5e3978
MR
3216_restrict=
3217for restrict_keyword in restrict __restrict__ __restrict; do
3218 check_cc <<EOF && _restrict=$restrict_keyword && break
3219void foo(char * $restrict_keyword p);
3220EOF
3221done
3222
3223check_cc <<EOF && enable attribute_packed
3224struct { int x; } __attribute__((packed)) x;
3225EOF
3226
dffb41b9
MR
3227check_cc <<EOF && enable attribute_may_alias
3228union { int x; } __attribute__((may_alias)) x;
3229EOF
3230
df5e3978
MR
3231check_cc <<EOF || die "endian test failed"
3232unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3233EOF
48fc536a 3234od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 3235
e939cedd
MR
3236if enabled alpha; then
3237
3238 check_cflags -mieee
3239
3240elif enabled arm; then
e45391bb 3241
66371c28 3242 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
8986fddc 3243 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 3244 nogas=die
50fa82e6 3245
44caaa56
MR
3246 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3247 enable vfp_args
3248 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3249 case "${cross_prefix:-$cc}" in
3250 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3251 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
3252__asm__ (".eabi_attribute 28, 1");
3253int main(void) { return 0; }
3254EOF
44caaa56
MR
3255 esac
3256 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3257 fi
fa0912fe 3258
7f2b3dca
MR
3259 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3260 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3261 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
7f2b3dca 3262 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
b3267559 3263 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
7f2b3dca
MR
3264 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3265
b57c1da8
MR
3266 [ $target_os = linux ] ||
3267 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3268 $ARCH_EXT_LIST_ARM
e45391bb 3269
575db883
DB
3270 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3271 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
6308729e 3272
e276d9e8
MR
3273 enabled_all armv6t2 shared !pic && enable_pic
3274
fa0912fe 3275elif enabled mips; then
e45391bb 3276
575db883 3277 check_inline_asm loongson '"dmult.g $1, $2, $3"'
e45391bb 3278
5af530f5
MR
3279elif enabled parisc; then
3280
3281 if enabled gcc; then
3282 case $($cc -dumpversion) in
3283 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3284 esac
3285 fi
3286
fa0912fe 3287elif enabled ppc; then
e45391bb 3288
e6a0c354
MR
3289 enable local_aligned_8 local_aligned_16
3290
575db883
DB
3291 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3292 check_inline_asm ibm_asm '"add 0, 0, 0"'
3293 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3294 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
3295
3296 # AltiVec flags: The FSF version of GCC differs from the Apple version
3297 if enabled altivec; then
301ab19d 3298 nogas=warn
fa0912fe
MR
3299 check_cflags -maltivec -mabi=altivec &&
3300 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3301 check_cflags -faltivec
3302
3303 # check if our compiler supports Motorola AltiVec C API
3304 check_cc <<EOF || disable altivec
3305$inc_altivec_h
3306int main(void) {
20bcce50
MR
3307 vector signed int v1 = (vector signed int) { 0 };
3308 vector signed int v2 = (vector signed int) { 1 };
3309 v1 = vec_add(v1, v2);
fa0912fe
MR
3310 return 0;
3311}
3312EOF
3313
20bcce50 3314 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
fa0912fe 3315 fi
e45391bb 3316
fa0912fe 3317elif enabled sparc; then
e45391bb 3318
6aa93689 3319 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
e45391bb 3320
fa0912fe 3321elif enabled x86; then
e45391bb 3322
2a7ab2df
DB
3323 check_builtin rdtsc intrin.h "__rdtsc()"
3324 check_builtin mm_empty mmintrin.h "_mm_empty()"
f80ddd5b 3325
e6a0c354
MR
3326 enable local_aligned_8 local_aligned_16
3327
44965991
PI
3328 # check whether EBP is available on x86
3329 # As 'i' is stored on the stack, this program will crash
3330 # if the base pointer is used to access it because the
3331 # base pointer is cleared in the inline assembly code.
7dfef245 3332 check_exec_crash <<EOF && enable ebp_available
f69f51b3
DB
3333volatile int i=0;
3334__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3335return i;
44965991
PI
3336EOF
3337
f494213c 3338 # check whether EBX is available on x86
575db883
DB
3339 check_inline_asm ebx_available '""::"b"(0)' &&