lavc: Rename avpriv_mpv_find_start_code after moving out from mpegvideo
[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
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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54 exit 1
55fi
56
a77f01c7
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57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
06454877
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61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
3b327a4b
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66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
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80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$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
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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
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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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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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261 --disable-sse2 disable SSE2 optimizations
262 --disable-sse3 disable SSE3 optimizations
06454877 263 --disable-ssse3 disable SSSE3 optimizations
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264 --disable-sse4 disable SSE4 optimizations
265 --disable-sse42 disable SSE4.2 optimizations
87f1355f 266 --disable-avx disable AVX optimizations
79687079 267 --disable-fma4 disable FMA4 optimizations
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268 --disable-armv5te disable armv5te optimizations
269 --disable-armv6 disable armv6 optimizations
270 --disable-armv6t2 disable armv6t2 optimizations
b3267559 271 --disable-vfp disable VFP optimizations
5ea20630 272 --disable-neon disable NEON optimizations
06454877 273 --disable-vis disable VIS optimizations
afb5ed55 274 --disable-inline-asm disable use of inline assembler
06454877 275 --disable-yasm disable use of yasm assembler
06454877 276
070c5d0f 277Developer options (useful when working on Libav itself):
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278 --disable-debug disable debugging symbols
279 --enable-debug=LEVEL set the debug level [$debuglevel]
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280 --disable-optimizations disable compiler optimizations
281 --enable-extra-warnings enable more compiler warnings
52b3cc60 282 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 283 \$LIBAV_SAMPLES at make invocation time.
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
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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
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334EOF
335 else
f69f51b3 336 cat <<EOF
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337Include the log file "$logfile" produced by configure as this will help
338solving the problem.
2ba042a7
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339EOF
340 fi
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341 exit 1
342}
343
6c6007d6 344# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 345toupper(){
6c6007d6 346 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
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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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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
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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
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395set_all(){
396 value=$1
397 shift
398 for var in $*; do
399 eval $var=$value
400 done
401}
402
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403set_weak(){
404 value=$1
405 shift
406 for var; do
407 eval : \${$var:=$value}
408 done
409}
410
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411sanitize_var_name(){
412 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
413}
414
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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
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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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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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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
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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 $*
493}
494
57bd82d4 495enabled(){
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496 test "${1#!}" = "$1" && op== || op=!=
497 eval test "x\$${1#!}" $op "xyes"
44161118
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498}
499
37970ebf 500disabled(){
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501 test "${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#!}"
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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"
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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 $dep_ifn
3d7453e0 562 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 563
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564 [ -n "$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 1303 sdl
7e6a11bc 1304 SetConsoleTextAttribute
b507ebd1 1305 setmode
3e0b1c9a 1306 setrlimit
d3d3a32c 1307 Sleep
15d59d2c 1308 sndio_h
72be9e73 1309 socklen_t
deb29777 1310 soundcard_h
87958234 1311 strerror_r
6379900c 1312 strptime
47941088 1313 strtok_r
c0018613 1314 struct_addrinfo
75d339e0
MS
1315 struct_group_source_req
1316 struct_ip_mreq_source
b4d68544 1317 struct_ipv6_mreq
cdee08e3 1318 struct_pollfd
3e0b1c9a 1319 struct_rusage_ru_maxrss
b4d68544 1320 struct_sockaddr_in6
3b2372bf 1321 struct_sockaddr_sa_len
33a4dbdd 1322 struct_sockaddr_storage
a6a4793d 1323 struct_v4l2_frmivalenum_discrete
b462d132 1324 symver_asm_label
3e0b1c9a 1325 symver_gnu_asm
e460aa32 1326 sync_val_compare_and_swap
bcc73960 1327 sysconf
b9e22269 1328 sysctl
b58412f1 1329 sys_mman_h
06bb5905 1330 sys_param_h
b091aa44 1331 sys_resource_h
81644c2e 1332 sys_select_h
deb29777 1333 sys_soundcard_h
e64bceea 1334 sys_time_h
1b6e8b73 1335 sys_videoio_h
b265431e 1336 threads
542920b7 1337 unistd_h
d3d3a32c 1338 usleep
ce742de2 1339 vfp_args
7c5bfe7a 1340 VirtualAlloc
d3d3a32c 1341 windows_h
6ff3f3e7 1342 winsock2_h
cc078b5d 1343 xform_asm
6f74fb03 1344 xmm_clobbers
0cb78cef 1345"
44161118 1346
511cf612 1347# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1348CONFIG_EXTRA="
87849592 1349 aandcttables
bfe9f48a 1350 ac3dsp
aa11cb79 1351 audio_frame_queue
c292f6a2 1352 error_resilience
bfe9f48a 1353 gcrypt
478fd534 1354 golomb
9cad0e4e 1355 gplv3
478fd534
DB
1356 h264chroma
1357 h264dsp
1358 h264pred
915a2a0a 1359 h264qpel
478fd534 1360 huffman
9cad0e4e 1361 lgplv3
478fd534 1362 lpc
1e164c0b 1363 mpegaudio
bfe9f48a 1364 mpegaudiodsp
18bbca1f 1365 mpegvideo
ad08dfd5 1366 mpegvideoenc
bfe9f48a 1367 nettle
f704a079 1368 rangecoder
bfe9f48a 1369 rtpdec
5ad2f0bf 1370 rtpenc_chain
bfe9f48a 1371 sinewin
8c53d39e 1372 videodsp
ab9f9876 1373 vp3dsp
b6bb00b0
MR
1374"
1375
520cc7f1 1376CMDLINE_SELECT="
3f5b56e5 1377 $ARCH_EXT_LIST
520cc7f1 1378 $CONFIG_LIST
fd712a55 1379 $HAVE_LIST_CMDLINE
8eee7025 1380 $THREADS_LIST
c8a4ae00 1381 asm
db6107b6 1382 cross_compile
520cc7f1
MR
1383 debug
1384 extra_warnings
8c6afa4d 1385 logging
65d12900 1386 lto
d2bbb2f7 1387 optimizations
520cc7f1 1388"
426be5dc
DB
1389
1390PATHS_LIST='
d156bede 1391 bindir
14a8acf1 1392 datadir
26759c44
MR
1393 incdir
1394 libdir
26759c44
MR
1395 mandir
1396 prefix
1397 shlibdir
426be5dc
DB
1398'
1399
1400CMDLINE_SET="
1401 $PATHS_LIST
121d78d0 1402 ar
426be5dc 1403 arch
313c46a6 1404 as
426be5dc
DB
1405 build_suffix
1406 cc
1407 cpu
1408 cross_prefix
50567afa 1409 dep_cc
ac63af34 1410 extra_version
9da6609f
MR
1411 host_cc
1412 host_cflags
095792f2 1413 host_ld
9da6609f
MR
1414 host_ldflags
1415 host_libs
82bb3329 1416 host_os
684b28e0 1417 ld
426be5dc 1418 logfile
4ae40685 1419 malloc_prefix
89641463 1420 nm
9cd7b854 1421 optflags
3f8040db 1422 pkg_config
154caa67 1423 random_seed
2fad0977 1424 samples
c5200f17
MR
1425 sysinclude
1426 sysroot
a7ada2ba 1427 target_exec
26759c44 1428 target_os
a7ada2ba 1429 target_path
aeeb782c 1430 toolchain
426be5dc 1431"
520cc7f1 1432
89f2932b
MR
1433CMDLINE_APPEND="
1434 extra_cflags
4cc4b33f 1435 host_cppflags
89f2932b
MR
1436"
1437
912f3148
DB
1438# code dependency declarations
1439
9eeed841 1440# architecture extensions
808fa33c 1441
a2fc0f6a
MR
1442armv5te_deps="arm"
1443armv6_deps="arm"
ab5cb084 1444armv6t2_deps="arm"
808fa33c 1445neon_deps="arm"
b3267559
MR
1446vfp_deps="arm"
1447vfpv3_deps="vfp"
808fa33c 1448
637606de
MR
1449map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1450
808fa33c
MR
1451altivec_deps="ppc"
1452ppc4xx_deps="ppc"
1453
1454vis_deps="sparc"
1455
7f8c3d1f 1456x86_64_suggest="cmov fast_cmov"
50cd43f2 1457
808fa33c
MR
1458amd3dnow_deps="mmx"
1459amd3dnowext_deps="amd3dnow"
9eeed841 1460mmx_deps="x86"
239fdf1b 1461mmxext_deps="mmx"
50cd43f2
DB
1462sse_deps="mmxext"
1463sse2_deps="sse"
1464sse3_deps="sse2"
1465ssse3_deps="sse3"
1466sse4_deps="ssse3"
1467sse42_deps="sse4"
1468avx_deps="sse42"
79687079 1469fma4_deps="avx"
9eeed841 1470
43b73d59
DB
1471mmx_external_deps="yasm"
1472mmx_inline_deps="inline_asm"
1473mmx_suggest="mmx_external mmx_inline"
1474
1475for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1476 eval dep=\$${ext}_deps
1477 eval ${ext}_external_deps='"${dep}_external"'
1478 eval ${ext}_inline_deps='"${dep}_inline"'
1479 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1480done
1481
59782b82 1482aligned_stack_if_any="ppc x86"
e939cedd 1483fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
f0fe245b
MR
1484fast_clz_if_any="alpha avr32 mips ppc x86"
1485fast_unaligned_if_any="ppc x86"
669b5583 1486
6fec122a 1487inline_asm_deps="!tms470"
3e0b1c9a 1488need_memalign="altivec neon sse"
89e053f8 1489
b462d132
MR
1490symver_if_any="symver_asm_label symver_gnu_asm"
1491
88a35699
MS
1492log2_deps="!msvcrt"
1493
26fbcc85 1494# subsystems
dc609252 1495dct_select="rdft"
26fbcc85
MR
1496mdct_select="fft"
1497rdft_select="fft"
1e164c0b 1498mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1499mpegaudiodsp_select="dct"
ed40b6bf 1500mpegvideo_select="videodsp"
ad08dfd5 1501mpegvideoenc_select="mpegvideo"
26fbcc85 1502
ed40b6bf 1503# decoders / encoders
cfc2a0cf 1504aac_decoder_select="mdct sinewin"
aa11cb79 1505aac_encoder_select="audio_frame_queue mdct sinewin"
136e19e1 1506aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1507ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1508ac3_encoder_select="mdct ac3dsp"
3d269059 1509ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1510alac_encoder_select="lpc"
b781cc12 1511amrnb_decoder_select="lsp"
2b2a597e 1512amrwb_decoder_select="lsp"
4538729a 1513atrac1_decoder_select="mdct sinewin"
26fbcc85 1514atrac3_decoder_select="mdct"
a33657ce
DB
1515binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1516binkaudio_rdft_decoder_select="mdct rdft sinewin"
75644335 1517cavs_decoder_select="golomb h264chroma videodsp"
9b500b8f 1518comfortnoise_encoder_select="lpc"
4538729a 1519cook_decoder_select="mdct sinewin"
2a91ada8 1520cscd_decoder_select="lzo"
2eef7c62 1521cscd_decoder_suggest="zlib"
26fbcc85 1522dca_decoder_select="mdct"
ad08dfd5 1523dnxhd_encoder_select="aandcttables mpegvideoenc"
2eef7c62 1524dxa_decoder_select="zlib"
baf91bb9 1525eac3_decoder_select="ac3_decoder"
4264a0dd 1526eac3_encoder_select="ac3_encoder"
06b54e84 1527eamad_decoder_select="aandcttables mpegvideo"
87849592 1528eatgq_decoder_select="aandcttables"
06b54e84 1529eatqi_decoder_select="aandcttables mpegvideo"
f704a079
DB
1530ffv1_decoder_select="golomb rangecoder"
1531ffv1_encoder_select="rangecoder"
5a582bd3 1532ffvhuff_encoder_select="huffman"
4f034993 1533flac_decoder_select="golomb"
f4d608e3 1534flac_encoder_select="golomb lpc"
2eef7c62
AJ
1535flashsv_decoder_select="zlib"
1536flashsv_encoder_select="zlib"
c2d23309 1537flashsv2_decoder_select="zlib"
4414137e 1538flv_decoder_select="h263_decoder"
4d4b4bd1 1539flv_encoder_select="h263_encoder"
3447f12d 1540fraps_decoder_select="huffman"
c292f6a2 1541h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1542h261_encoder_select="aandcttables mpegvideoenc"
c292f6a2 1543h263_decoder_select="error_resilience h263_parser mpegvideo"
06b54e84 1544h263_encoder_select="aandcttables mpegvideoenc"
4414137e 1545h263i_decoder_select="h263_decoder"
fe629c2d 1546h263p_encoder_select="h263_encoder"
64e43869 1547h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel videodsp"
5a582bd3 1548huffyuv_encoder_select="huffman"
19be0f3c 1549iac_decoder_select="fft mdct sinewin"
56c8227d 1550imc_decoder_select="fft mdct sinewin"
4f034993
MR
1551jpegls_decoder_select="golomb"
1552jpegls_encoder_select="golomb"
ad08dfd5 1553ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1554loco_decoder_select="golomb"
c292f6a2 1555mdec_decoder_select="error_resilience mpegvideo"
ad08dfd5 1556mjpeg_encoder_select="aandcttables mpegvideoenc"
2cca233b 1557mlp_decoder_select="mlp_parser"
1e164c0b
DB
1558mp1_decoder_select="mpegaudio"
1559mp1float_decoder_select="mpegaudio"
1560mp2_decoder_select="mpegaudio"
1561mp2float_decoder_select="mpegaudio"
1562mp3_decoder_select="mpegaudio"
1563mp3adu_decoder_select="mpegaudio"
1564mp3adufloat_decoder_select="mpegaudio"
1565mp3float_decoder_select="mpegaudio"
1566mp3on4_decoder_select="mpegaudio"
1567mp3on4float_decoder_select="mpegaudio"
606c9297
DB
1568mpc7_decoder_select="mpegaudiodsp"
1569mpc8_decoder_select="mpegaudiodsp"
3e0b1c9a
DB
1570mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1571mpeg_xvmc_decoder_select="mpegvideo_decoder"
c292f6a2 1572mpeg1video_decoder_select="error_resilience mpegvideo"
06b54e84 1573mpeg1video_encoder_select="aandcttables mpegvideoenc"
c292f6a2 1574mpeg2video_decoder_select="error_resilience mpegvideo"
06b54e84 1575mpeg2video_encoder_select="aandcttables mpegvideoenc"
3e0b1c9a
DB
1576mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1577mpeg4_encoder_select="h263_encoder"
4414137e 1578msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1579msmpeg4v1_encoder_select="h263_encoder"
4414137e 1580msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1581msmpeg4v2_encoder_select="h263_encoder"
4414137e 1582msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1583msmpeg4v3_encoder_select="h263_encoder"
06b54e84 1584mss2_decoder_select="error_resilience vc1_decoder"
4538729a 1585nellymoser_decoder_select="mdct sinewin"
aa11cb79 1586nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2a91ada8 1587nuv_decoder_select="lzo"
2eef7c62
AJ
1588png_decoder_select="zlib"
1589png_encoder_select="zlib"
b781cc12 1590qcelp_decoder_select="lsp"
c4f5c2d6 1591qdm2_decoder_select="mdct rdft mpegaudiodsp"
aa11cb79 1592ra_144_encoder_select="audio_frame_queue lpc"
9f43fdda 1593ralf_decoder_select="golomb"
06b54e84 1594rv10_decoder_select="error_resilience h263_decoder"
b2bf38b4 1595rv10_encoder_select="h263_encoder"
06b54e84 1596rv20_decoder_select="error_resilience h263_decoder"
b2bf38b4 1597rv20_encoder_select="h263_encoder"
870add0d
DB
1598rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1599rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
4f034993 1600shorten_decoder_select="golomb"
b781cc12 1601sipr_decoder_select="lsp"
06b54e84
DB
1602svq1_decoder_select="mpegvideo"
1603svq1_encoder_select="aandcttables mpegvideoenc"
870add0d 1604svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo videodsp"
bee2eac5 1605svq3_decoder_suggest="zlib"
4eef77c1 1606theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1607tiff_decoder_suggest="zlib"
1608tiff_encoder_suggest="zlib"
aec09a00 1609truehd_decoder_select="mlp_decoder"
2eef7c62 1610tscc_decoder_select="zlib"
4538729a 1611twinvq_decoder_select="mdct lsp sinewin"
aa661113 1612utvideo_encoder_select="huffman"
06b54e84 1613vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
45ecda85 1614vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1615vorbis_decoder_select="mdct"
1616vorbis_encoder_select="mdct"
8c53d39e 1617vp3_decoder_select="vp3dsp videodsp"
bcd0a713
DB
1618vp5_decoder_select="h264chroma videodsp vp3dsp"
1619vp6_decoder_select="h264chroma huffman videodsp vp3dsp"
e82dc4c9
DB
1620vp6a_decoder_select="vp6_decoder"
1621vp6f_decoder_select="vp6_decoder"
8c53d39e 1622vp8_decoder_select="h264pred videodsp"
4538729a
MR
1623wmapro_decoder_select="mdct sinewin"
1624wmav1_decoder_select="mdct sinewin"
1625wmav1_encoder_select="mdct sinewin"
1626wmav2_decoder_select="mdct sinewin"
1627wmav2_encoder_select="mdct sinewin"
1628wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1629wmv1_decoder_select="h263_decoder"
665507aa 1630wmv1_encoder_select="h263_encoder"
870add0d 1631wmv2_decoder_select="h263_decoder videodsp"
1746e2a9 1632wmv2_encoder_select="h263_encoder"
015f8ee0 1633wmv3_decoder_select="vc1_decoder"
45ecda85 1634wmv3image_decoder_select="wmv3_decoder"
0e714f88 1635zerocodec_decoder_select="zlib"
2eef7c62
AJ
1636zlib_decoder_select="zlib"
1637zlib_encoder_select="zlib"
1638zmbv_decoder_select="zlib"
1639zmbv_encoder_select="zlib"
30fd06be 1640
ed40b6bf 1641# hardware accelerators
215cdd35 1642dxva2_deps="dxva2api_h"
0afab17e 1643vaapi_deps="va_va_h"
ac3dbb4d 1644vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
9840130e 1645vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
c89c96e9
MR
1646vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1647
82ca17ac
DB
1648h263_vaapi_hwaccel_deps="vaapi"
1649h263_vaapi_hwaccel_select="h263_decoder"
1650h263_vdpau_hwaccel_deps="vdpau"
1651h263_vdpau_hwaccel_select="h263_decoder"
215cdd35
DB
1652h264_dxva2_hwaccel_deps="dxva2"
1653h264_dxva2_hwaccel_select="h264_decoder"
82ca17ac
DB
1654h264_vaapi_hwaccel_deps="vaapi"
1655h264_vaapi_hwaccel_select="h264_decoder"
1656h264_vda_hwaccel_deps="vda"
1657h264_vda_hwaccel_select="h264_decoder"
1658h264_vdpau_decoder_deps="vdpau"
1659h264_vdpau_decoder_select="h264_decoder"
1660h264_vdpau_hwaccel_deps="vdpau"
1661h264_vdpau_hwaccel_select="h264_decoder"
1662mpeg_vdpau_decoder_deps="vdpau"
1663mpeg_vdpau_decoder_select="mpegvideo_decoder"
1664mpeg1_vdpau_decoder_deps="vdpau"
1665mpeg1_vdpau_decoder_select="mpeg1video_decoder"
1666mpeg1_vdpau_hwaccel_deps="vdpau"
1667mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
215cdd35
DB
1668mpeg2_dxva2_hwaccel_deps="dxva2"
1669mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
82ca17ac
DB
1670mpeg2_vaapi_hwaccel_deps="vaapi"
1671mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1672mpeg2_vdpau_hwaccel_deps="vdpau"
1673mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1674mpeg4_vaapi_hwaccel_deps="vaapi"
1675mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1676mpeg4_vdpau_decoder_deps="vdpau"
1677mpeg4_vdpau_decoder_select="mpeg4_decoder"
1678mpeg4_vdpau_hwaccel_deps="vdpau"
1679mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
215cdd35
DB
1680vc1_dxva2_hwaccel_deps="dxva2"
1681vc1_dxva2_hwaccel_select="vc1_decoder"
82ca17ac
DB
1682vc1_vaapi_hwaccel_deps="vaapi"
1683vc1_vaapi_hwaccel_select="vc1_decoder"
1684vc1_vdpau_decoder_deps="vdpau"
1685vc1_vdpau_decoder_select="vc1_decoder"
1686vc1_vdpau_hwaccel_deps="vdpau"
1687vc1_vdpau_hwaccel_select="vc1_decoder"
ed40b6bf
DB
1688wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1689wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1690wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
77525327 1691wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1692
28b80940 1693# parsers
64e43869 1694h264_parser_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel videodsp"
c292f6a2
DB
1695mpeg4video_parser_select="error_resilience mpegvideo"
1696mpegvideo_parser_select="error_resilience mpegvideo"
06b54e84 1697vc1_parser_select="mpegvideo"
28b80940 1698
912f3148 1699# external libraries
c9171a83 1700libfaac_encoder_deps="libfaac"
aa11cb79 1701libfaac_encoder_select="audio_frame_queue"
37eeb5e2 1702libfdk_aac_encoder_deps="libfdk_aac"
aa11cb79 1703libfdk_aac_encoder_select="audio_frame_queue"
299c77d5
MR
1704libgsm_decoder_deps="libgsm"
1705libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1706libgsm_ms_decoder_deps="libgsm"
1707libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1708libilbc_decoder_deps="libilbc"
1709libilbc_encoder_deps="libilbc"
1cc60c47 1710libmp3lame_encoder_deps="libmp3lame"
aa11cb79 1711libmp3lame_encoder_select="audio_frame_queue"
0b175caa
DB
1712libopencore_amrnb_decoder_deps="libopencore_amrnb"
1713libopencore_amrnb_encoder_deps="libopencore_amrnb"
aa11cb79 1714libopencore_amrnb_encoder_select="audio_frame_queue"
0b175caa 1715libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1716libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1717libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1718libopus_decoder_deps="libopus"
6cb8c854 1719libopus_encoder_deps="libopus"
aa11cb79 1720libopus_encoder_select="audio_frame_queue"
f7cd9eed
AS
1721libschroedinger_decoder_deps="libschroedinger"
1722libschroedinger_encoder_deps="libschroedinger"
ae14f311 1723libspeex_decoder_deps="libspeex"
b606a017 1724libspeex_encoder_deps="libspeex"
aa11cb79 1725libspeex_encoder_select="audio_frame_queue"
150d2772 1726libtheora_encoder_deps="libtheora"
d89e738a 1727libvo_aacenc_encoder_deps="libvo_aacenc"
aa11cb79 1728libvo_aacenc_encoder_select="audio_frame_queue"
f502ff3f 1729libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1730libvorbis_encoder_deps="libvorbis"
aa11cb79 1731libvorbis_encoder_select="audio_frame_queue"
3f111804
LB
1732libvpx_vp8_decoder_deps="libvpx"
1733libvpx_vp8_encoder_deps="libvpx"
1734libvpx_vp9_decoder_deps="libvpx"
1735libvpx_vp9_encoder_deps="libvpx"
1cc60c47 1736libx264_encoder_deps="libx264"
de295976 1737libxavs_encoder_deps="libxavs"
1cc60c47 1738libxvid_encoder_deps="libxvid"
30fd06be 1739
912f3148 1740# demuxers / muxers
c2dd0e9e 1741ac3_demuxer_select="ac3_parser"
647c2356 1742asf_stream_muxer_select="asf_muxer"
4e622dea 1743avisynth_demuxer_deps="avisynth"
c2dd0e9e 1744dirac_demuxer_select="dirac_parser"
5b423887 1745eac3_demuxer_select="ac3_parser"
c2dd0e9e 1746flac_demuxer_select="flac_parser"
647c2356 1747ipod_muxer_select="mov_muxer"
31f16dc1 1748ismv_muxer_select="mov_muxer"
647c2356 1749matroska_audio_muxer_select="matroska_muxer"
2a91ada8 1750matroska_demuxer_suggest="bzlib lzo zlib"
4e622dea 1751mov_demuxer_suggest="zlib"
5ad2f0bf 1752mov_muxer_select="rtpenc_chain"
c2dd0e9e 1753mp3_demuxer_select="mpegaudio_parser"
647c2356 1754mp4_muxer_select="mov_muxer"
75644335 1755mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
1756mpegtsraw_demuxer_select="mpegts_demuxer"
1757mxf_d10_muxer_select="mxf_muxer"
24ca518b 1758ogg_demuxer_select="golomb"
647c2356 1759psp_muxer_select="mov_muxer"
44594cc7 1760rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
1761rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1762rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 1763rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 1764sap_demuxer_select="sdp_demuxer"
5ad2f0bf 1765sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 1766sdp_demuxer_select="rtpdec"
e772f9fa 1767smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1768spdif_muxer_select="aac_parser"
57231e4d 1769tak_demuxer_select="tak_parser"
647c2356
DB
1770tg2_muxer_select="mov_muxer"
1771tgp_muxer_select="mov_muxer"
6bdaa5f4 1772w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1773
1774# indevs / outdevs
38e54a75 1775alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1776alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1777bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1778dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1779fbdev_indev_deps="linux_fb_h"
38e54a75 1780jack_indev_deps="jack_jack_h"
e417d80d 1781libcdio_indev_deps="libcdio"
38e54a75 1782libdc1394_indev_deps="libdc1394"
38e54a75
SS
1783oss_indev_deps_any="soundcard_h sys_soundcard_h"
1784oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1785pulse_indev_deps="libpulse"
15d59d2c
B
1786sndio_indev_deps="sndio_h"
1787sndio_outdev_deps="sndio_h"
38e54a75 1788v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1789vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1790vfwcap_indev_extralibs="-lavicap32"
24f8961f 1791x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1792
912f3148 1793# protocols
acd554c1
SP
1794ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1795ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1796ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1797ffrtmphttp_protocol_deps="!librtmp_protocol"
1798ffrtmphttp_protocol_select="http_protocol"
998c1ee1 1799gopher_protocol_select="network"
c40e1757 1800httpproxy_protocol_select="tcp_protocol"
279a0c97 1801http_protocol_select="tcp_protocol"
183baead 1802https_protocol_select="tls_protocol"
c3b57d6e
DB
1803librtmp_protocol_deps="librtmp"
1804librtmpe_protocol_deps="librtmp"
1805librtmps_protocol_deps="librtmp"
1806librtmpt_protocol_deps="librtmp"
1807librtmpte_protocol_deps="librtmp"
c60a2d70 1808mmsh_protocol_select="http_protocol"
998c1ee1 1809mmst_protocol_select="network"
c3b57d6e 1810rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1811rtmp_protocol_select="tcp_protocol"
acd554c1 1812rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1813rtmps_protocol_deps="!librtmp_protocol"
1814rtmps_protocol_select="tls_protocol"
775c4d36 1815rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1816rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1817rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1818rtp_protocol_select="udp_protocol"
998c1ee1
DB
1819sctp_protocol_deps="struct_sctp_event_subscribe"
1820sctp_protocol_select="network"
0eecafc9 1821srtp_protocol_select="rtp_protocol"
998c1ee1 1822tcp_protocol_select="network"
558d192d
MS
1823tls_protocol_deps_any="openssl gnutls"
1824tls_protocol_select="tcp_protocol"
998c1ee1 1825udp_protocol_select="network"
c08fb000 1826
6ebf0bfc 1827# filters
13fabd7a 1828blackframe_filter_deps="gpl"
ce6b6ef6 1829boxblur_filter_deps="gpl"
68b79bfc 1830cropdetect_filter_deps="gpl"
b157be1f 1831delogo_filter_deps="gpl"
a5b64584 1832drawtext_filter_deps="libfreetype"
2e5ff4d0 1833frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1834frei0r_filter_extralibs='$ldl'
a42bb9d6 1835frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1836frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1837hqdn3d_filter_deps="gpl"
d371e7b9 1838resample_filter_deps="avresample"
cf69ad35 1839ocv_filter_deps="libopencv"
2f296e39 1840scale_filter_deps="swscale"
acbac567 1841yadif_filter_deps="gpl"
6ebf0bfc 1842
5a0f7131 1843# libraries
d89f2fa9
DB
1844avcodec_deps="avutil"
1845avdevice_deps="avutil avcodec avformat"
1846avfilter_deps="avutil"
1847avformat_deps="avutil avcodec"
1848avresample_deps="avutil"
1849swscale_deps="avutil"
f7679c54 1850
912f3148 1851# programs
54fd593a 1852avconv_deps="avcodec avfilter avformat avresample swscale"
0a0e340f
DB
1853avconv_select="aformat_filter anull_filter asyncts_filter format_filter
1854 fps_filter null_filter resample_filter scale_filter
1855 setpts_filter"
d173ede1 1856avplay_deps="avcodec avformat avresample swscale sdl"
266463da 1857avplay_select="rdft"
9e12f0bf 1858avprobe_deps="avcodec avformat"
b263bf66 1859avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1860avserver_extralibs='$ldl'
a2830dca 1861
c73f65d9 1862doc_deps="texi2html"
912f3148 1863
de6d9b64 1864# default parameters
8a608357 1865
19bd477d 1866logfile="config.log"
8a608357
MR
1867
1868# installation paths
c9d19248
MR
1869prefix_default="/usr/local"
1870bindir_default='${prefix}/bin'
6291d7e4 1871datadir_default='${prefix}/share/avconv'
c9d19248
MR
1872incdir_default='${prefix}/include'
1873libdir_default='${prefix}/lib'
1874mandir_default='${prefix}/share/man'
1875shlibdir_default="$libdir_default"
8a608357
MR
1876
1877# toolchain
121d78d0 1878ar_default="ar"
13c7df3d 1879cc_default="gcc"
9da6609f 1880host_cc_default="gcc"
4ebc6a74 1881cp_f="cp -f"
b58b00ae 1882ln_s="ln -s -f"
2a8a860a 1883nm_default="nm -g"
11e6d03a 1884objformat="elf"
3f8040db 1885pkg_config_default=pkg-config
be7109c1 1886ranlib="ranlib"
11e6d03a 1887yasmexe="yasm"
8a608357 1888
3e0b1c9a 1889nogas=":"
8182dc34 1890
8a608357 1891# machine
8d4c00ed 1892arch_default=$(uname -m)
38d0a8aa 1893cpu="generic"
8a608357 1894
8a608357 1895# OS
8d4c00ed
MR
1896target_os_default=$(tolower $(uname -s))
1897host_os=$target_os_default
8a608357 1898
8a608357 1899# configurable options
d89f2fa9 1900enable $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 1901
3e0b1c9a
DB
1902enable asm
1903enable debug
1904enable doc
8400d6b8 1905enable optimizations
8cfbbd92 1906enable safe_bitstream_reader
530dc538 1907enable static
a9ddb5b1 1908enable swscale_alpha
8a608357 1909
2e2ec667
DB
1910# By default, enable only those hwaccels that have no external dependencies.
1911enable dxva2 vdpau
1912
8a608357 1913# build settings
9987769a 1914SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1915AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1916LIBPREF="lib"
1917LIBSUF=".a"
c5f14466
RP
1918FULLNAME='$(NAME)$(BUILDSUF)'
1919LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1920SLIBPREF="lib"
1921SLIBSUF=".so"
c5f14466 1922SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1923SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1924SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1925LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1926SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1927SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1928
68485d1f
MR
1929asflags_filter=echo
1930cflags_filter=echo
64933b6c
MR
1931ldflags_filter=echo
1932
23565c26 1933AS_C='-c'
bc877faf 1934AS_O='-o $@'
23565c26 1935CC_C='-c'
18031c49 1936CC_E='-E -o $@'
7e6c86e6 1937CC_O='-o $@'
a758c5e2 1938LD_O='-o $@'
8db73c61
MR
1939LD_LIB='-l%'
1940LD_PATH='-L'
23565c26 1941HOSTCC_C='-c'
a758c5e2 1942HOSTCC_O='-o $@'
095792f2 1943HOSTLD_O='-o $@'
7e6c86e6 1944
4cc4b33f
DB
1945host_cflags='-O3 -g'
1946host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
9da6609f 1947host_libs='-lm'
6c3fa06a
MR
1948host_cflags_filter=echo
1949host_ldflags_filter=echo
9da6609f 1950
9b861379 1951target_path='$(CURDIR)'
a7ada2ba 1952
a158446b
MR
1953# since the object filename is not given with the -MM flag, the compiler
1954# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
1955DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1956DEPFLAGS='-MM'
315c741d 1957
c597172e 1958# find source path
24524f36 1959if test -f configure; then
f038cf3c 1960 source_path=.
c597172e 1961else
8477f2de 1962 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1963 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1964 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1965 test -e "$source_path/config.h" &&
1966 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1967fi
1968
13cbe2c0 1969for v in "$@"; do
b04251c5
MR
1970 r=${v#*=}
1971 l=${v%"$r"}
1972 r=$(sh_quote "$r")
29ba0911 1973 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1974done
c597172e 1975
73ef8980
MR
1976find_things(){
1977 thing=$1
1978 pattern=$2
1979 file=$source_path/$3
932ccf39 1980 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1981}
1982
1983ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1984DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1985HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1986PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1987BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1988MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1989DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1990OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1991INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1992PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1993FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1994
54e75be4
DB
1995ALL_COMPONENTS="
1996 $BSF_LIST
1997 $DECODER_LIST
1998 $DEMUXER_LIST
1999 $ENCODER_LIST
2000 $FILTER_LIST
2001 $HWACCEL_LIST
2002 $INDEV_LIST
2003 $MUXER_LIST
2004 $OUTDEV_LIST
2005 $PARSER_LIST
2006 $PROTOCOL_LIST
2007"
2008
8469ae22
MR
2009for n in $COMPONENT_LIST; do
2010 v=$(toupper ${n%s})_LIST
2011 eval enable \$$v
2012 eval ${n}_if_any="\$$v"
2013done
2014
206a070d 2015enable $ARCH_EXT_LIST
c597172e
MR
2016
2017die_unknown(){
2018 echo "Unknown option \"$1\"."
2019 echo "See $0 --help for available options."
2020 exit 1
2021}
2022
7432e872
DB
2023print_3_columns() {
2024 cat | tr ' ' '\n' | sort | pr -r -3 -t
2025}
2026
794f8e97 2027show_list() {
bf0c4afa
RP
2028 suffix=_$1
2029 shift
7432e872 2030 echo $* | sed s/$suffix//g | print_3_columns
794f8e97
PI
2031 exit 0
2032}
2033
154caa67
MR
2034rand_list(){
2035 IFS=', '
2036 set -- $*
2037 unset IFS
2038 for thing; do
2039 comp=${thing%:*}
2040 prob=${thing#$comp}
2041 prob=${prob#:}
2042 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2043 echo "prob ${prob:-0.5}"
2044 printf '%s\n' $comp
2045 done
2046}
2047
2048do_random(){
2049 action=$1
2050 shift
2051 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2052 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2053}
2054
c597172e 2055for opt do
7483e694
DB
2056 optval="${opt#*=}"
2057 case "$opt" in
ea061af1
DB
2058 --extra-ldflags=*)
2059 add_ldflags $optval
7e9e7cc2 2060 ;;
ea061af1
DB
2061 --extra-libs=*)
2062 add_extralibs $optval
7e9e7cc2 2063 ;;
ea061af1
DB
2064 --disable-devices)
2065 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 2066 ;;
ea061af1
DB
2067 --enable-debug=*)
2068 debuglevel="$optval"
7e9e7cc2
MR
2069 ;;
2070 --disable-programs)
2071 disable $PROGRAM_LIST
2072 ;;
2073 --disable-everything)
2074 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2075 ;;
844c6852
DB
2076 --disable-all)
2077 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2078 disable $LIBRARY_LIST $PROGRAM_LIST doc
2079 ;;
7e9e7cc2
MR
2080 --enable-random|--disable-random)
2081 action=${opt%%-random}
2082 do_random ${action#--} $COMPONENT_LIST
2083 ;;
2084 --enable-random=*|--disable-random=*)
2085 action=${opt%%-random=*}
2086 do_random ${action#--} $optval
2087 ;;
2088 --enable-*=*|--disable-*=*)
2089 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2090 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2091 eval list=\$$(toupper $thing)_LIST
2092 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2093 $action $(filter "$name" $list)
2094 ;;
2095 --enable-?*|--disable-?*)
2096 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2097 if is_in $option $COMPONENT_LIST; then
2098 test $action = disable && action=unset
2099 eval $action \$$(toupper ${option%s})_LIST
2100 elif is_in $option $CMDLINE_SELECT; then
2101 $action $option
2102 else
2103 die_unknown $opt
2104 fi
2105 ;;
2106 --list-*)
2107 NAME="${opt#--list-}"
2108 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2109 NAME=${NAME%s}
2110 eval show_list $NAME \$$(toupper $NAME)_LIST
2111 ;;
2112 --help|-h) show_help
2113 ;;
2114 *)
2115 optname="${opt%%=*}"
2116 optname="${optname#--}"
2117 optname=$(echo "$optname" | sed 's/-/_/g')
2118 if is_in $optname $CMDLINE_SET; then
2119 eval $optname='$optval'
2120 elif is_in $optname $CMDLINE_APPEND; then
2121 append $optname "$optval"
2122 else
2123 die_unknown $opt
2124 fi
2125 ;;
7483e694 2126 esac
c597172e
MR
2127done
2128
bcea99bb
MR
2129disabled logging && logfile=/dev/null
2130
29ba0911 2131echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2132set >> $logfile
2133
9da6609f
MR
2134test -n "$cross_prefix" && enable cross_compile
2135
8d4c00ed
MR
2136if enabled cross_compile; then
2137 test -n "$arch" && test -n "$target_os" ||
2138 die "Must specify target arch and OS when cross-compiling"
2139fi
2140
121d78d0 2141ar_default="${cross_prefix}${ar_default}"
11e6d03a 2142cc_default="${cross_prefix}${cc_default}"
20e0ed95 2143nm_default="${cross_prefix}${nm_default}"
3f8040db 2144pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2145ranlib="${cross_prefix}${ranlib}"
adb2b908 2146
c5200f17
MR
2147sysinclude_default="${sysroot}/usr/include"
2148
aeeb782c 2149case "$toolchain" in
0fbb62a8
LB
2150 clang-asan)
2151 cc_default="clang"
2152 add_cflags -faddress-sanitizer
2153 add_ldflags -faddress-sanitizer
2154 ;;
2155 clang-tsan)
2156 cc_default="clang"
2157 add_cflags -fthread-sanitizer
2158 add_ldflags -fthread-sanitizer
2159 ;;
aeeb782c
MR
2160 msvc)
2161 cc_default="c99wrap cl"
2162 ld_default="c99wrap link"
2163 nm_default="dumpbin -symbols"
ac3a9b51 2164 ar_default="lib"
53e8cd68 2165 target_os_default="win32"
aeeb782c
MR
2166 ;;
2167 ?*)
2168 die "Unknown toolchain $toolchain"
2169 ;;
2170esac
2171
53e8cd68 2172set_default arch cc pkg_config sysinclude target_os
9da6609f
MR
2173enabled cross_compile || host_cc_default=$cc
2174set_default host_cc
13c7df3d 2175
762f95e4
MR
2176if ! $pkg_config --version >/dev/null 2>&1; then
2177 warn "$pkg_config not found, library detection may fail."
2178 pkg_config=false
2179fi
2180
82bb3329
MR
2181exesuf() {
2182 case $1 in
53e8cd68 2183 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2184 esac
2185}
2186
2187EXESUF=$(exesuf $target_os)
2188HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2189
e4e69e0b 2190# set temporary file name
a49d42c2 2191: ${TMPDIR:=$TEMPDIR}
c51fafa1 2192: ${TMPDIR:=$TMP}
a49d42c2 2193: ${TMPDIR:=/tmp}
e4e69e0b 2194
a210bce2 2195if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2196 # simple replacement for missing mktemp
2197 # NOT SAFE FOR GENERAL USE
2198 mktemp(){
09a5c245 2199 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2200 }
2201fi
2202
2203tmpfile(){
2204 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2205 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2206 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2207 append TMPFILES $tmp
2208 eval $1=$tmp
2209}
2210
2211trap 'rm -f -- $TMPFILES' EXIT
54460a83 2212
55127e7b 2213tmpfile TMPASM .asm
3e0b1c9a
DB
2214tmpfile TMPC .c
2215tmpfile TMPE $EXESUF
2216tmpfile TMPH .h
2217tmpfile TMPO .o
2218tmpfile TMPS .S
2219tmpfile TMPSH .sh
2220tmpfile TMPV .ver
54460a83
MR
2221
2222unset -f mktemp
e4e69e0b 2223
fb3c4ffc
MR
2224chmod +x $TMPE
2225
993f2d0f
MR
2226# make sure we can execute files in $TMPDIR
2227cat > $TMPSH 2>> $logfile <<EOF
2228#! /bin/sh
2229EOF
2230chmod +x $TMPSH >> $logfile 2>&1
2231if ! $TMPSH >> $logfile 2>&1; then
2232 cat <<EOF
2233Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2234variable to another directory and make sure that it is not mounted noexec.
2235EOF
2236 die "Sanity test failed."
2237fi
993f2d0f 2238
457cc333
MR
2239ccc_flags(){
2240 for flag; do
2241 case $flag in
2242 -std=c99) echo -c99 ;;
2243 -mcpu=*) echo -arch ${flag#*=} ;;
2244 -mieee) echo -ieee ;;
2245 -O*|-fast) echo $flag ;;
2246 -fno-math-errno) echo -assume nomath_errno ;;
2247 -g) echo -g3 ;;
2248 -Wall) echo -msg_enable level2 ;;
2249 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2250 -Wl,*) echo $flag ;;
2251 -f*|-W*) ;;
2252 *) echo $flag ;;
2253 esac
2254 done
2255}
2256
dfa559bc
RB
2257msvc_flags(){
2258 for flag; do
2259 case $flag in
2260 -fomit-frame-pointer) echo -Oy ;;
2261 -g) echo -Z7 ;;
2262 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2263 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4a185ed2 2264 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
d66c52c2 2265 -wd4996 -wd4273 ;;
dfa559bc
RB
2266 -std=c99) ;;
2267 -fno-math-errno) ;;
2268 -fno-common) ;;
2269 -fno-signed-zeros) ;;
50640977 2270 -fPIC) ;;
dfa559bc 2271 -lz) echo zlib.lib ;;
bd680c7b
DB
2272 -lavifil32) echo vfw32.lib ;;
2273 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2274 -l*) echo ${flag#-l}.lib ;;
2275 *) echo $flag ;;
2276 esac
2277 done
2278}
2279
d0c6d424
MR
2280pgi_flags(){
2281 for flag; do
2282 case $flag in
643933f5 2283 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2284 -fomit-frame-pointer) echo -Mnoframe ;;
2285 -g) echo -gopt ;;
2286 *) echo $flag ;;
2287 esac
2288 done
2289}
2290
2291suncc_flags(){
2292 for flag; do
2293 case $flag in
2294 -march=*|-mcpu=*)
2295 case "${flag#*=}" in
2296 native) echo -xtarget=native ;;
2297 v9|niagara) echo -xarch=sparc ;;
2298 ultrasparc) echo -xarch=sparcvis ;;
2299 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2300 i586|pentium) echo -xchip=pentium ;;
2301 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2302 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2303 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2304 pentium4*) echo -xtarget=pentium4 ;;
2305 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2306 *-sse3) echo -xarch=sse3 ;;
2307 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2308 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2309 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2310 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
d0c6d424
MR
2311 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2312 k8|opteron|athlon64|athlon-fx)
2313 echo -xarch=sse2a ;;
2314 athlon*) echo -xarch=pentium_proa ;;
2315 esac
2316 ;;
2317 -std=c99) echo -xc99 ;;
2318 -fomit-frame-pointer) echo -xregs=frameptr ;;
2319 -fPIC) echo -KPIC -xcode=pic32 ;;
2320 -W*,*) echo $flag ;;
5e753ed5
SM
2321 -f*-*|-W*|-mimpure-text) ;;
2322 -shared) echo -G ;;
d0c6d424
MR
2323 *) echo $flag ;;
2324 esac
2325 done
2326}
2327
2328tms470_flags(){
2329 for flag; do
2330 case $flag in
2331 -march=*|-mcpu=*)
2332 case "${flag#*=}" in
2333 armv7-a|cortex-a*) echo -mv=7a8 ;;
2334 armv7-r|cortex-r*) echo -mv=7r4 ;;
2335 armv7-m|cortex-m*) echo -mv=7m3 ;;
2336 armv6*|arm11*) echo -mv=6 ;;
2337 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2338 echo -mv=5e ;;
2339 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2340 esac
2341 ;;
2342 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2343 -mfpu=vfp) echo --float_support=vfpv2 ;;
2344 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2345 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2346 -msoft-float) echo --float_support=vfplib ;;
2347 -O[0-3]|-mf=*) echo $flag ;;
2348 -g) echo -g -mn ;;
2349 -pds=*) echo $flag ;;
ad93dccb
MR
2350 -D*|-I*) echo $flag ;;
2351 --gcc|--abi=*) echo $flag ;;
2352 -me) echo $flag ;;
d0c6d424
MR
2353 esac
2354 done
2355}
2356
a758c5e2
MR
2357probe_cc(){
2358 pfx=$1
2359 _cc=$2
2360
8db73c61
MR
2361 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2362 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2363 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2364 _flags_filter=echo
2365
2366 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2367 _type=llvm_gcc
2368 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2369 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2370 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2371 _cflags_speed='-O3'
2372 _cflags_size='-Os'
2373 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2374 _type=gcc
2375 gcc_version=$($_cc --version | head -n1)
2376 gcc_basever=$($_cc -dumpversion)
2377 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2378 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2379 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2380 if ! $_cc -dumpversion | grep -q '^2\.'; then
2381 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2382 fi
2383 _cflags_speed='-O3'
2384 _cflags_size='-Os'
b2d688ea 2385 elif $_cc --version 2>/dev/null | grep -q ^icc; then
a758c5e2
MR
2386 _type=icc
2387 _ident=$($_cc --version | head -n1)
2388 _depflags='-MMD'
2389 _cflags_speed='-O3'
2390 _cflags_size='-Os'
2391 _cflags_noopt='-O1'
2392 elif $_cc -v 2>&1 | grep -q xlc; then
2393 _type=xlc
2394 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2395 _cflags_speed='-O5'
2396 _cflags_size='-O5 -qcompact'
2397 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2398 _type=ccc
2399 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2400 _DEPFLAGS='-M'
a758c5e2
MR
2401 _cflags_speed='-fast'
2402 _cflags_size='-O1'
457cc333 2403 _flags_filter=ccc_flags
a758c5e2
MR
2404 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2405 test -d "$sysroot" || die "No valid sysroot specified."
2406 _type=armcc
2407 _ident=$($_cc --vsn | head -n1)
2408 armcc_conf="$PWD/armcc.conf"
2409 $_cc --arm_linux_configure \
2410 --arm_linux_config_file="$armcc_conf" \
2411 --configure_sysroot="$sysroot" \
2412 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2413 die "Error creating armcc configuration file."
2414 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2415 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2416 as_default="${cross_prefix}gcc"
2417 _depflags='-MMD'
2418 _cflags_speed='-O3'
2419 _cflags_size='-Os'
0122118e 2420 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2421 _type=tms470
2422 _ident=$($_cc -version | head -n1 | tr -s ' ')
2423 _flags='--gcc --abi=eabi -me'
18031c49 2424 _cc_e='-ppl -fe=$@'
a758c5e2 2425 _cc_o='-fe=$@'
a758c5e2
MR
2426 _depflags='-ppa -ppd=$(@:.o=.d)'
2427 _cflags_speed='-O3 -mf=5'
2428 _cflags_size='-O3 -mf=2'
2429 _flags_filter=tms470_flags
2430 elif $_cc -v 2>&1 | grep -q clang; then
2431 _type=clang
2432 _ident=$($_cc --version | head -n1)
2433 _depflags='-MMD'
2434 _cflags_speed='-O3'
2435 _cflags_size='-Os'
2436 elif $_cc -V 2>&1 | grep -q Sun; then
2437 _type=suncc
2438 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2439 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2440 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2441 _ldflags='-std=c99'
2442 _cflags_speed='-O5'
2443 _cflags_size='-O5 -xspace'
2444 _flags_filter=suncc_flags
2445 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2446 _type=pathscale
2447 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2448 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2449 _cflags_speed='-O2'
2450 _cflags_size='-Os'
2451 _flags_filter='filter_out -Wdisabled-optimization'
2452 elif $_cc -v 2>&1 | grep -q Open64; then
2453 _type=open64
2454 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2455 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2456 _cflags_speed='-O2'
2457 _cflags_size='-Os'
2458 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2459 elif $_cc -V 2>&1 | grep -q Portland; then
2460 _type=pgi
2461 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2462 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2463 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2464 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2465 _cflags_noopt="-O1"
2466 _flags_filter=pgi_flags
dfa559bc
RB
2467 elif $_cc 2>&1 | grep -q Microsoft; then
2468 _type=msvc
2469 _ident=$($cc 2>&1 | head -n1)
2470 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2471 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2472 _cflags_speed="-O2"
2473 _cflags_size="-O1"
2474 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2475 if $_cc 2>&1 | grep -q Linker; then
2476 _ld_o='-out $@'
2477 else
2478 _ld_o='-Fe$@'
2479 fi
2480 _cc_o='-Fo $@'
a224b2cb 2481 _cc_e='-P -Fi $@'
dfa559bc
RB
2482 _flags_filter=msvc_flags
2483 _ld_lib='lib%.a'
2484 _ld_path='-libpath:'
2485 _flags='-nologo'
2486 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2487 if [ $pfx = hostcc ]; then
6a0200f2 2488 append _cflags -Dsnprintf=_snprintf
dfa559bc 2489 fi
aef6bd1b 2490 fi
a758c5e2
MR
2491
2492 eval ${pfx}_type=\$_type
2493 eval ${pfx}_ident=\$_ident
2494}
2495
2496set_ccvars(){
23565c26 2497 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2498 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2499 eval ${1}_O=\${_cc_o-\${${1}_O}}
2500
2501 if [ -n "$_depflags" ]; then
2502 eval ${1}_DEPFLAGS=\$_depflags
2503 else
2504 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2505 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2506 eval DEP${1}FLAGS=\$_flags
2507 fi
2508}
2509
2510probe_cc cc "$cc"
2511cflags_filter=$_flags_filter
2512cflags_speed=$_cflags_speed
2513cflags_size=$_cflags_size
2514cflags_noopt=$_cflags_noopt
2515add_cflags $_flags $_cflags
2516cc_ldflags=$_ldflags
2517set_ccvars CC
2518
2519probe_cc hostcc "$host_cc"
2520host_cflags_filter=$_flags_filter
a758c5e2 2521add_host_cflags $_flags $_cflags
a758c5e2 2522set_ccvars HOSTCC
629687f6 2523
851ffa80
MR
2524test -n "$cc_type" && enable $cc_type ||
2525 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2526
75bafbac 2527: ${as_default:=$cc}
50567afa 2528: ${dep_cc_default:=$cc}
684b28e0 2529: ${ld_default:=$cc}
095792f2
MR
2530: ${host_ld_default:=$host_cc}
2531set_default ar as dep_cc ld host_ld
75800dce 2532
a758c5e2
MR
2533probe_cc as "$as"
2534asflags_filter=$_flags_filter
2535add_asflags $_flags $_cflags
2536set_ccvars AS
2537
2538probe_cc ld "$ld"
2539ldflags_filter=$_flags_filter
2540add_ldflags $_flags $_ldflags
2541test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2542LD_O=${_ld_o-$LD_O}
8db73c61
MR
2543LD_LIB=${_ld_lib-$LD_LIB}
2544LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2545
095792f2
MR
2546probe_cc hostld "$host_ld"
2547host_ldflags_filter=$_flags_filter
2548add_host_ldflags $_flags $_ldflags
2549HOSTLD_O=${_ld_o-$HOSTLD_O}
2550
a758c5e2
MR
2551if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2552 probe_cc depcc "$dep_cc"
2553 CCDEP=${_DEPCMD:-$DEPCMD}
2554 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2555 DEPCCFLAGS=$_flags
2556fi
07dec06e 2557
3dbc777c
MR
2558if $ar 2>&1 | grep -q Microsoft; then
2559 arflags="-nologo"
2560 ar_o='-out:$@'
2561elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2562 arflags="rq"
2563 ar_o='$@'
2564else
2565 arflags="rc"
2566 ar_o='$@'
2567fi
2568
7f32f40c 2569add_cflags $extra_cflags
2f2e6c7c 2570add_asflags $extra_cflags
7f32f40c 2571
154d432c
MR
2572if test -n "$sysroot"; then
2573 case "$cc_type" in
00ba041c 2574 gcc|llvm_gcc|clang)
467256f2 2575 add_cppflags --sysroot="$sysroot"
154d432c
MR
2576 add_ldflags --sysroot="$sysroot"
2577 ;;
6fec122a
MR
2578 tms470)
2579 add_cppflags -I"$sysinclude"
2580 add_ldflags --sysroot="$sysroot"
2581 ;;
154d432c
MR
2582 esac
2583fi
2584
d22c13a8
MR
2585if test "$cpu" = host; then
2586 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2587
2588 case "$cc_type" in
613a4e3f 2589 gcc|llvm_gcc)
d22c13a8
MR
2590 check_native(){
2591 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2592 sed -n "/cc1.*$1=/{
27ce1be8
MR
2593 s/.*$1=\\([^ ]*\\).*/\\1/
2594 p
2595 q
2596 }" $TMPE
d22c13a8
MR
2597 }
2598 cpu=$(check_native -march || check_native -mcpu)
2599 ;;
2600 esac
2601
2602 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2603fi
2604
e939cedd
MR
2605# Deal with common $arch aliases
2606case "$arch" in
5873b623
MR
2607 aarch64|arm64)
2608 arch="aarch64"
2609 ;;
e939cedd
MR
2610 arm*)
2611 arch="arm"
2612 ;;
2acda282 2613 mips*|IP*)
e939cedd
MR
2614 arch="mips"
2615 ;;
a6e9d649 2616 parisc*|hppa*)
e939cedd
MR
2617 arch="parisc"
2618 ;;
56203596 2619 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2620 arch="ppc"
2621 ;;
e939cedd
MR
2622 s390|s390x)
2623 arch="s390"
2624 ;;
2625 sh4|sh)
2626 arch="sh4"
2627 ;;
4cd217c0 2628 sun4u|sparc*)
e939cedd 2629 arch="sparc"
e939cedd 2630 ;;
c75848cd
DB
2631 tilegx|tile-gx)
2632 arch="tilegx"
2633 ;;
d33ed7b3 2634 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2635 arch="x86"
2636 ;;
2637esac
2638
851ffa80 2639is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2640enable $arch
e939cedd 2641
df5cdc24 2642# Add processor-specific flags
9ebd45c2 2643if enabled aarch64; then
33db40f8
MR
2644
2645 case $cpu in
2646 armv*)
2647 cpuflags="-march=$cpu"
2648 ;;
2649 *)
2650 cpuflags="-mcpu=$cpu"
2651 ;;
2652 esac
2653
2654elif enabled alpha; then
2655
2656 cpuflags="-mcpu=$cpu"
2657
2658elif enabled arm; then
2659
1234c66a
MR
2660 check_arm_arch() {
2661 check_cpp_condition stddef.h \
2662 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2663 $cpuflags
2664 }
2665
2666 probe_arm_arch() {
2667 if check_arm_arch 4; then echo armv4;
2668 elif check_arm_arch 4T; then echo armv4t;
2669 elif check_arm_arch 5; then echo armv5;
2670 elif check_arm_arch 5E; then echo armv5e;
2671 elif check_arm_arch 5T; then echo armv5t;
2672 elif check_arm_arch 5TE; then echo armv5te;
2673 elif check_arm_arch 5TEJ; then echo armv5te;
2674 elif check_arm_arch 6; then echo armv6;
2675 elif check_arm_arch 6J; then echo armv6j;
2676 elif check_arm_arch 6K; then echo armv6k;
2677 elif check_arm_arch 6Z; then echo armv6z;
2678 elif check_arm_arch 6ZK; then echo armv6zk;
2679 elif check_arm_arch 6T2; then echo armv6t2;
2680 elif check_arm_arch 7; then echo armv7;
2681 elif check_arm_arch 7A 7_A; then echo armv7-a;
2682 elif check_arm_arch 7R 7_R; then echo armv7-r;
2683 elif check_arm_arch 7M 7_M; then echo armv7-m;
2684 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2685 elif check_arm_arch 8A 8_A; then echo armv8-a;
2686 fi
2687 }
2688
2689 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2690
33db40f8
MR
2691 case $cpu in
2692 armv*)
2693 cpuflags="-march=$cpu"
2694 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2695 ;;
2696 *)
2697 cpuflags="-mcpu=$cpu"
2698 case $cpu in
2699 cortex-a*) subarch=armv7a ;;
2700 cortex-r*) subarch=armv7r ;;
2701 cortex-m*) enable thumb; subarch=armv7m ;;
2702 arm11*) subarch=armv6 ;;
2703 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2704 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 2705 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
2706 esac
2707 ;;
2708 esac
2709
f0fe245b
MR
2710 case "$subarch" in
2711 armv5t*) enable fast_clz ;;
2712 armv[6-8]*) enable fast_clz fast_unaligned ;;
2713 esac
2714
33db40f8
MR
2715elif enabled avr32; then
2716
2717 case $cpu in
2718 ap7[02]0[0-2])
2719 subarch="avr32_ap"
2720 cpuflags="-mpart=$cpu"
2721 ;;
2722 ap)
2723 subarch="avr32_ap"
2724 cpuflags="-march=$cpu"
2725 ;;
2726 uc3[ab]*)
2727 subarch="avr32_uc"
2728 cpuflags="-mcpu=$cpu"
2729 ;;
2730 uc)
2731 subarch="avr32_uc"
2732 cpuflags="-march=$cpu"
2733 ;;
2734 esac
2735
2736elif enabled bfin; then
2737
2738 cpuflags="-mcpu=$cpu"
2739
2740elif enabled mips; then
2741
2742 cpuflags="-march=$cpu"
2743
5d54c126 2744elif enabled ppc; then
343aef9b 2745
56348891
MR
2746 case $(tolower $cpu) in
2747 601|ppc601|powerpc601)
9dbd5c3d 2748 cpuflags="-mcpu=601"
64ad53ff 2749 disable altivec
9dbd5c3d 2750 ;;
56348891 2751 603*|ppc603*|powerpc603*)
9dbd5c3d 2752 cpuflags="-mcpu=603"
64ad53ff 2753 disable altivec
9dbd5c3d 2754 ;;
56348891 2755 604*|ppc604*|powerpc604*)
9dbd5c3d 2756 cpuflags="-mcpu=604"
64ad53ff 2757 disable altivec
9dbd5c3d 2758 ;;
56348891 2759 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 2760 cpuflags="-mcpu=750"
64ad53ff 2761 disable altivec
9dbd5c3d 2762 ;;
56348891 2763 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 2764 cpuflags="-mcpu=7450"
9dbd5c3d 2765 ;;
56348891 2766 74*|ppc74*|powerpc74*)
7f1fcaf0 2767 cpuflags="-mcpu=7400"
9dbd5c3d 2768 ;;
313f9fbf 2769 g5|970|ppc970|powerpc970)
7f1fcaf0 2770 cpuflags="-mcpu=970"
9dbd5c3d 2771 ;;
313f9fbf 2772 power[3-7]*)
7f1fcaf0 2773 cpuflags="-mcpu=$cpu"
313f9fbf 2774 ;;
56348891 2775 cell)
9dbd5c3d
MR
2776 cpuflags="-mcpu=cell"
2777 enable ldbrx
2778 ;;
4ab26cb4
DB
2779 e500mc)
2780 cpuflags="-mcpu=e500mc"
2781 disable altivec
2782 ;;
7b0b81a1
AL
2783 e500v2)
2784 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2785 disable altivec
2786 ;;
2787 e500)
2788 cpuflags="-mcpu=8540 -mhard-float"
2789 disable altivec
2790 ;;
9dbd5c3d 2791 esac
343aef9b 2792
33db40f8
MR
2793elif enabled sparc; then
2794
2795 case $cpu in
2796 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2797 cpuflags="-mcpu=$cpu"
2798 disable vis
2799 ;;
2800 ultrasparc*|niagara[234])
2801 cpuflags="-mcpu=$cpu"
2802 ;;
2803 esac
2804
343aef9b
MR
2805elif enabled x86; then
2806
9dbd5c3d
MR
2807 case $cpu in
2808 i[345]86|pentium)
2809 cpuflags="-march=$cpu"
2810 disable mmx
2811 ;;
2812 # targets that do NOT support conditional mov (cmov)
2813 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2814 cpuflags="-march=$cpu"
2815 disable cmov
2816 ;;
2817 # targets that do support conditional mov (cmov)
f2ce813e 2818 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d
MR
2819 cpuflags="-march=$cpu"
2820 enable cmov
2821 enable fast_cmov
2822 ;;
2823 # targets that do support conditional mov but on which it's slow
2824 pentium4|pentium4m|prescott|nocona)
2825 cpuflags="-march=$cpu"
2826 enable cmov
2827 disable fast_cmov
2828 ;;
2829 esac
343aef9b 2830
343aef9b
MR
2831fi
2832
9ebd45c2
MR
2833if [ "$cpu" != generic ]; then
2834 add_cflags $cpuflags
2835 add_asflags $cpuflags
2836fi
df5cdc24 2837
993f2d0f
MR
2838# compiler sanity check
2839check_exec <<EOF
2840int main(void){ return 0; }
2841EOF
2842if test "$?" != 0; then
2843 echo "$cc is unable to create an executable file."
2844 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2845 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2846 echo "Only do this if you know what cross compiling means."
2847 fi
2848 die "C compiler test failed."
2849fi
2850
046f081b 2851add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2852check_cflags -std=c99
50a334e4 2853check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2854#include <stdlib.h>
2855EOF
50a334e4 2856check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2857#include <stdlib.h>
2858EOF
e9b9a2f8 2859
f0125de9 2860check_host_cflags -std=c99
0a6db2a2 2861check_host_cflags -Wall
f0125de9 2862
d4c99513
MR
2863check_64bit(){
2864 arch32=$1
2865 arch64=$2
2866 expr=$3
2867 check_code cc "" "int test[2*($expr) - 1]" &&
2868 subarch=$arch64 || subarch=$arch32
2869}
2870
b24dbcbd 2871case "$arch" in
d11cb13b 2872 aarch64|alpha|ia64)
2acda282
MR
2873 spic=$shared
2874 ;;
2875 mips)
2876 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 2877 spic=$shared
b24dbcbd 2878 ;;
a6e9d649
MR
2879 parisc)
2880 check_64bit parisc parisc64 'sizeof(void *) > 4'
2881 spic=$shared
2882 ;;
56203596
MR
2883 ppc)
2884 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 2885 spic=$shared
56203596 2886 ;;
4cd217c0
MR
2887 sparc)
2888 check_64bit sparc sparc64 'sizeof(void *) > 4'
2889 spic=$shared
2890 ;;
e939cedd 2891 x86)
d4c99513 2892 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 2893 if test "$subarch" = "x86_64"; then
e939cedd 2894 spic=$shared
de27f4d9 2895 fi
b24dbcbd 2896 ;;
b24dbcbd
RP
2897esac
2898
343aef9b 2899enable $subarch
8a3c8627 2900enabled spic && enable pic
b24dbcbd 2901
7483e694 2902# OS specific
4f854758 2903case $target_os in
a1629e28 2904 haiku)
63ae7e7c 2905 prefix_default="/boot/common"
108caaaa 2906 network_extralibs="-lnetwork"
f59c4bd6 2907 host_libs=
a1629e28 2908 ;;
7483e694 2909 sunos)
4d58e4cb 2910 AVSERVERLDFLAGS=""
9987769a 2911 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2912 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2913 network_extralibs="-lsocket -lnsl"
779222db 2914 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2915 # When using suncc to build, the Solaris linker will mark
2916 # an executable with each instruction set encountered by
2917 # the Solaris assembler. As our libraries contain their own
2918 # guards for processor-specific code, instead suppress
2919 # generation of the HWCAPS ELF section on Solaris x86 only.
2920 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2a8a860a 2921 nm_default='nm -P -g'
7483e694
DB
2922 ;;
2923 netbsd)
a1e4b3f6 2924 disable symver
07a8eef6
MR
2925 oss_indev_extralibs="-lossaudio"
2926 oss_outdev_extralibs="-lossaudio"
7483e694 2927 ;;
d488c3bc 2928 openbsd|bitrig)
a1e4b3f6 2929 disable symver
7483e694 2930 SHFLAGS='-shared'
69dca3a4 2931 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
d5683aba 2932 SLIB_INSTALL_LINKS=
07a8eef6
MR
2933 oss_indev_extralibs="-lossaudio"
2934 oss_outdev_extralibs="-lossaudio"
7483e694 2935 ;;
a1e4b3f6 2936 dragonfly)
a1e4b3f6
MR
2937 disable symver
2938 ;;
2939 freebsd)
7483e694
DB
2940 ;;
2941 bsd/os)
355d81df 2942 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2943 ;;
2944 darwin)
301ab19d 2945 gas="gas-preprocessor.pl $cc"
e08b8239 2946 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2947 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2948 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2949 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2950 SLIBSUF=".dylib"
2951 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2952 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2953 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2954 objformat="macho"
1b0f6fb8 2955 enabled x86_64 && objformat="macho64"
8dfa86f7 2956 enabled_any pic shared ||
2704bd1a 2957 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2958 ;;
2959 mingw32*)
9d3f4f50 2960 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2961 disable network
2962 else
2963 target_os=mingw32
2964 fi
dcc01c06 2965 LIBTARGET=i386
1fc9fb8a 2966 if enabled x86_64; then
417516f6 2967 LIBTARGET="i386:x86-64"
336cc1b0 2968 elif enabled arm; then
15c5156d 2969 LIBTARGET=arm-wince
dcc01c06 2970 fi
fbd971a4 2971 shlibdir_default="$bindir_default"
7483e694
DB
2972 SLIBPREF=""
2973 SLIBSUF=".dll"
7483e694
DB
2974 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2975 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
eb7018d2 2976 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2f138f0b
MR
2977 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2978 SLIB_INSTALL_LINKS=
2979 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2980 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
eb7018d2 2981 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2982 objformat="win32"
ec10a9ab 2983 dlltool="${cross_prefix}dlltool"
a3222470 2984 ranlib=:
bc574408 2985 enable dos_paths
7483e694 2986 ;;
53e8cd68 2987 win32|win64)
d66c52c2
MS
2988 if enabled shared; then
2989 # Link to the import library instead of the normal static library
2990 # for shared libs.
2991 LD_LIB='%.lib'
2992 # Cannot build shared and static libraries at the same time with
2993 # MSVC.
2994 disable static
2995 fi
2996 shlibdir_default="$bindir_default"
2997 SLIBPREF=""
2998 SLIBSUF=".dll"
2999 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3000 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3001 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3002 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3003 SLIB_INSTALL_LINKS=
3004 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3005 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3006 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
53e8cd68
MS
3007 objformat="win32"
3008 ranlib=:
3009 enable dos_paths
3010 ;;
7483e694 3011 cygwin*)
4f854758 3012 target_os=cygwin
fbd971a4 3013 shlibdir_default="$bindir_default"
7483e694
DB
3014 SLIBPREF="cyg"
3015 SLIBSUF=".dll"
3016 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3017 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
3018 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3019 SLIB_INSTALL_LINKS=
3020 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3021 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 3022 objformat="win32"
bc574408 3023 enable dos_paths
7483e694 3024 ;;
4f365f37 3025 *-dos|freedos|opendos)
4f365f37 3026 network_extralibs="-lsocket"
ff1c015d 3027 objformat="coff"
bc574408 3028 enable dos_paths
a7a187a1 3029 add_cppflags -U__STRICT_ANSI__
4f365f37 3030 ;;
7483e694 3031 linux)
7483e694
DB
3032 enable dv1394
3033 ;;
3034 irix*)
4f854758 3035 target_os=irix
7483e694
DB
3036 ranlib="echo ignoring ranlib"
3037 ;;
d22e8442 3038 os/2*)
d22e8442 3039 ln_s="cp -f"
9297f1ed 3040 objformat="aout"
e14574eb 3041 add_cppflags -D_GNU_SOURCE
355d81df 3042 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 3043 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 3044 AVSERVERLDFLAGS=""
287d3b13 3045 LIBSUF="_s.a"
d22e8442
DY
3046 SLIBPREF=""
3047 SLIBSUF=".dll"
3048 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3049 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62 3050 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
f69f51b3
DB
3051 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3052 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3053 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3054 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3055 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
71c61f62 3056 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
f69f51b3 3057 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 3058 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 3059 enable dos_paths
d22e8442 3060 ;;
83993c1c 3061 gnu/kfreebsd)
3bd1eacd 3062 add_cppflags -D_BSD_SOURCE
83993c1c 3063 ;;
34e82167 3064 gnu)
34e82167 3065 ;;
d33ed7b3
MR
3066 qnx)
3067 add_cppflags -D_QNX_SOURCE
3068 network_extralibs="-lsocket"
3069 ;;
1c69c79f
MS
3070 symbian)
3071 SLIBSUF=".dll"
3072 enable dos_paths
e3bc07f4
MS
3073 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3074 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3075 add_ldflags -Wl,--target1-abs,--no-undefined \
3076 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3077 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3078 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3079 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3080 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 3081 ;;
fdd66609
MR
3082 osf1)
3083 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3084 AVSERVERLDFLAGS=
3085 ;;
741a8b72
MR
3086 minix)
3087 ;;
4ebc6a74
MR
3088 plan9)
3089 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3090 -D_REENTRANT_SOURCE \
3091 -D_RESEARCH_SOURCE \
3092 -DFD_SETSIZE=96 \
3093 -DHAVE_SOCK_OPTS
3094 add_compat strtod.o strtod=avpriv_strtod
3095 network_extralibs='-lbsd'
3096 exeobjs=compat/plan9/main.o
3097 disable avserver
4ebc6a74
MR
3098 cp_f='cp'
3099 ;;
614d8911
MR
3100 none)
3101 ;;
7483e694 3102 *)
4f924f9a 3103 die "Unknown OS '$target_os'."
7483e694
DB
3104 ;;
3105esac
3106
b797f3c4
MR
3107# determine libc flavour
3108
197252f1 3109# uclibc defines __GLIBC__, so it needs to be checked before glibc.
b797f3c4
MR
3110if check_cpp_condition features.h "defined __UCLIBC__"; then
3111 libc_type=uclibc
3bd1eacd 3112 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3113elif check_cpp_condition features.h "defined __GLIBC__"; then
3114 libc_type=glibc
3bd1eacd 3115 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
29f1fa74
DB
3116# MinGW headers can be installed on Cygwin, so check for newlib first.
3117elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3118 libc_type=newlib
3119 add_cppflags -U__STRICT_ANSI__
b797f3c4
MR
3120elif check_header _mingw.h; then
3121 libc_type=mingw
3122 check_cpp_condition _mingw.h \
3123 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3124 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3125 die "ERROR: MinGW runtime version must be >= 3.15."
759a3a21 3126 add_cppflags -U__STRICT_ANSI__
4fa661a8
RB
3127elif check_func_headers stdlib.h _get_doserrno; then
3128 libc_type=msvcrt
84e65c76
MR
3129 add_compat strtod.o strtod=avpriv_strtod
3130 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3131 _snprintf=avpriv_snprintf \
3132 vsnprintf=avpriv_vsnprintf
b797f3c4
MR
3133elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3134 libc_type=klibc
3135fi
3136
3137test -n "$libc_type" && enable $libc_type
3138
5ab432fa
MR
3139# hacks for compiler/libc/os combinations
3140
3141if enabled_all tms470 glibc; then
b6f8d635 3142 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5ab432fa
MR
3143 add_cppflags -D__USER_LABEL_PREFIX__=
3144 add_cppflags -D__builtin_memset=memset
3145 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3146 add_cflags -pds=48 # incompatible redefinition of macro
3147fi
3148
457cc333
MR
3149if enabled_all ccc glibc; then
3150 add_ldflags -Wl,-z,now # calls to libots crash without this
3151fi
3152
6555acad
MR
3153esc(){
3154 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3155}
3156
3157echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 3158
13cb2187
AS
3159check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3160
c9d19248 3161set_default $PATHS_LIST
2a8a860a 3162set_default nm
c9d19248 3163
320d060a 3164# we need to build at least one lib type
93b3c083 3165if ! enabled_any static shared; then
320d060a
DB
3166 cat <<EOF
3167At least one library type must be built.
3168Specify --enable-static to build the static libraries or --enable-shared to
3169build the shared libraries as well. To only build the shared libraries specify
3170--disable-static in addition to --enable-shared.
3171EOF
3172 exit 1;
3173fi
3174
2184c6f7 3175die_license_disabled() {
4c27207c 3176 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
3177}
3178
e417d80d 3179die_license_disabled gpl libcdio
2184c6f7 3180die_license_disabled gpl libx264
de295976 3181die_license_disabled gpl libxavs
2184c6f7 3182die_license_disabled gpl libxvid
2184c6f7
DB
3183die_license_disabled gpl x11grab
3184
2f7ae63b 3185die_license_disabled nonfree libfaac
87246953 3186die_license_disabled nonfree libfdk_aac
a060866f 3187die_license_disabled nonfree openssl
b2e3c528 3188
0b175caa
DB
3189die_license_disabled version3 libopencore_amrnb
3190die_license_disabled version3 libopencore_amrwb
d89e738a 3191die_license_disabled version3 libvo_aacenc
f502ff3f 3192die_license_disabled version3 libvo_amrwbenc
0b175caa 3193
9cad0e4e 3194enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 3195
40617a6d 3196disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 3197
e276d9e8
MR
3198enable_pic() {
3199 enable pic
bce7b696
MR
3200 add_cppflags -DPIC
3201 add_cflags -fPIC
3202 add_asflags -fPIC
e276d9e8
MR
3203}
3204
3205enabled pic && enable_pic
bce7b696 3206
b4d96ba2
MR
3207check_cc <<EOF || die "Symbol mangling check failed."
3208int ff_extern;
3209EOF
2a8a860a 3210sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
3211extern_prefix=${sym%%ff_extern*}
3212
afb5ed55 3213check_cc <<EOF && enable_weak inline_asm
f65883c8
MR
3214void foo(void) { __asm__ volatile ("" ::); }
3215EOF
61d251db 3216
df5e3978
MR
3217_restrict=
3218for restrict_keyword in restrict __restrict__ __restrict; do
3219 check_cc <<EOF && _restrict=$restrict_keyword && break
3220void foo(char * $restrict_keyword p);
3221EOF
3222done
3223
3224check_cc <<EOF && enable attribute_packed
3225struct { int x; } __attribute__((packed)) x;
3226EOF
3227
dffb41b9
MR
3228check_cc <<EOF && enable attribute_may_alias
3229union { int x; } __attribute__((may_alias)) x;
3230EOF
3231
df5e3978
MR
3232check_cc <<EOF || die "endian test failed"
3233unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3234EOF
48fc536a 3235od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 3236
e939cedd
MR
3237if enabled alpha; then
3238
3239 check_cflags -mieee
3240
3241elif enabled arm; then
e45391bb 3242
66371c28 3243 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
8986fddc 3244 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 3245 nogas=die
50fa82e6 3246
44caaa56
MR
3247 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3248 enable vfp_args
3249 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3250 case "${cross_prefix:-$cc}" in
3251 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3252 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
3253__asm__ (".eabi_attribute 28, 1");
3254int main(void) { return 0; }
3255EOF
44caaa56
MR
3256 esac
3257 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3258 fi
fa0912fe 3259
7f2b3dca
MR
3260 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3261 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3262 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
7f2b3dca 3263 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
b3267559 3264 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
7f2b3dca
MR
3265 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3266
b57c1da8
MR
3267 [ $target_os = linux ] ||
3268 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3269 $ARCH_EXT_LIST_ARM
e45391bb 3270
575db883
DB
3271 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3272 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
6308729e 3273
e276d9e8
MR
3274 enabled_all armv6t2 shared !pic && enable_pic
3275
fa0912fe 3276elif enabled mips; then
e45391bb 3277
575db883 3278 check_inline_asm loongson '"dmult.g $1, $2, $3"'
e45391bb 3279
5af530f5
MR
3280elif enabled parisc; then
3281
3282 if enabled gcc; then
3283 case $($cc -dumpversion) in
3284 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3285 esac
3286 fi
3287
fa0912fe 3288elif enabled ppc; then
e45391bb 3289
e6a0c354
MR
3290 enable local_aligned_8 local_aligned_16
3291
575db883
DB
3292 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3293 check_inline_asm ibm_asm '"add 0, 0, 0"'
3294 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3295 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
3296
3297 # AltiVec flags: The FSF version of GCC differs from the Apple version
3298 if enabled altivec; then
301ab19d 3299 nogas=warn
fa0912fe
MR
3300 check_cflags -maltivec -mabi=altivec &&
3301 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3302 check_cflags -faltivec
3303
3304 # check if our compiler supports Motorola AltiVec C API
3305 check_cc <<EOF || disable altivec
3306$inc_altivec_h
3307int main(void) {
20bcce50
MR
3308 vector signed int v1 = (vector signed int) { 0 };
3309 vector signed int v2 = (vector signed int) { 1 };
3310 v1 = vec_add(v1, v2);
fa0912fe
MR
3311 return 0;
3312}
3313EOF
3314
20bcce50 3315 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
fa0912fe 3316 fi
e45391bb 3317
fa0912fe 3318elif enabled sparc; then
e45391bb 3319
6aa93689 3320 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
e45391bb 3321
fa0912fe 3322elif enabled x86; then
e45391bb 3323
2a7ab2df
DB
3324 check_builtin rdtsc intrin.h "__rdtsc()"
3325 check_builtin mm_empty mmintrin.h "_mm_empty()"
f80ddd5b 3326
e6a0c354
MR
3327 enable local_aligned_8 local_aligned_16
3328
44965991
PI
3329 # check whether EBP is available on x86
3330 # As 'i' is stored on the stack, this program will crash
3331 # if the base pointer is used to access it because the
3332 # base pointer is cleared in the inline assembly code.
7dfef245 3333 check_exec_crash <<EOF && enable ebp_available
f69f51b3
DB
3334volatile int i=0;
3335__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3336return i;
44965991
PI
3337EOF
3338
f494213c 3339 # check whether EBX is available on x86
575db883
DB