configure: Simplify VDPAU header check
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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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."
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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."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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54 exit 1
55fi
56
a77f01c7
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57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
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61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
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66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
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80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
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84 --libdir=DIR install libs in DIR [PREFIX/lib]
85 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
86 --incdir=DIR install includes in DIR [PREFIX/include]
87 --mandir=DIR install man page in DIR [PREFIX/share/man]
88
3b327a4b 89Licensing options:
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90 --enable-gpl allow use of GPL code, the resulting libs
91 and binaries will be under GPL [no]
92 --enable-version3 upgrade (L)GPL to version 3 [no]
93 --enable-nonfree allow use of nonfree code, the resulting libs
94 and binaries will be unredistributable [no]
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95
96Configuration options:
97 --disable-static do not build static libraries [no]
98 --enable-shared build shared libraries [no]
99 --enable-small optimize for size instead of speed
100 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
844c6852 103 --disable-all disable building components, libraries and programs
3b327a4b 104
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105Program options:
106 --disable-programs do not build command line programs
6291d7e4 107 --disable-avconv disable avconv build
266463da 108 --disable-avplay disable avplay build
9e12f0bf 109 --disable-avprobe disable avprobe build
4d58e4cb 110 --disable-avserver disable avserver build
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111
112Component options:
113 --disable-doc do not build documentation
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114 --disable-avdevice disable libavdevice build
115 --disable-avcodec disable libavcodec build
116 --disable-avformat disable libavformat build
d89f2fa9 117 --disable-avutil disable libavutil build
5a0f7131 118 --disable-swscale disable libswscale build
cccc039f 119 --disable-avfilter disable video filter support [no]
c8af852b 120 --disable-avresample disable libavresample build [no]
0dbfc1db 121 --disable-pthreads disable pthreads [auto]
7b7b220c 122 --disable-w32threads disable Win32 threads [auto]
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123 --enable-x11grab enable X11 grabbing [no]
124 --disable-network disable network support [no]
7f3f5f46 125 --disable-dct disable DCT code
193cdd9a 126 --disable-lsp disable LSP code
2a91ada8 127 --disable-lzo disable LZO decoder code
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128 --disable-mdct disable MDCT code
129 --disable-rdft disable RDFT code
3b327a4b 130 --disable-fft disable FFT code
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131
132Hardware accelerators:
3b327a4b 133 --enable-dxva2 enable DXVA2 code
dcb73592 134 --enable-vaapi enable VAAPI code
ac3dbb4d 135 --enable-vda enable VDA code
e8f6bd4b 136 --enable-vdpau enable VDPAU code
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137
138Individual component options:
bb55e3a3 139 --disable-everything disable all components listed below
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140 --disable-encoder=NAME disable encoder NAME
141 --enable-encoder=NAME enable encoder NAME
142 --disable-encoders disable all encoders
143 --disable-decoder=NAME disable decoder NAME
144 --enable-decoder=NAME enable decoder NAME
145 --disable-decoders disable all decoders
146 --disable-hwaccel=NAME disable hwaccel NAME
147 --enable-hwaccel=NAME enable hwaccel NAME
148 --disable-hwaccels disable all hwaccels
149 --disable-muxer=NAME disable muxer NAME
150 --enable-muxer=NAME enable muxer NAME
151 --disable-muxers disable all muxers
152 --disable-demuxer=NAME disable demuxer NAME
153 --enable-demuxer=NAME enable demuxer NAME
154 --disable-demuxers disable all demuxers
155 --enable-parser=NAME enable parser NAME
156 --disable-parser=NAME disable parser NAME
157 --disable-parsers disable all parsers
158 --enable-bsf=NAME enable bitstream filter NAME
159 --disable-bsf=NAME disable bitstream filter NAME
160 --disable-bsfs disable all bitstream filters
161 --enable-protocol=NAME enable protocol NAME
162 --disable-protocol=NAME disable protocol NAME
163 --disable-protocols disable all protocols
3b327a4b 164 --enable-indev=NAME enable input device NAME
06454877 165 --disable-indev=NAME disable input device NAME
06454877 166 --disable-indevs disable input devices
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167 --enable-outdev=NAME enable output device NAME
168 --disable-outdev=NAME disable output device NAME
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169 --disable-outdevs disable output devices
170 --disable-devices disable all devices
171 --enable-filter=NAME enable filter NAME
172 --disable-filter=NAME disable filter NAME
173 --disable-filters disable all filters
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174
175External library support:
176 --enable-avisynth enable reading of AVISynth script files [no]
177 --enable-bzlib enable bzlib [autodetect]
47941088 178 --enable-frei0r enable frei0r video filtering
bc8c1395 179 --enable-gnutls enable gnutls [no]
e417d80d 180 --enable-libcdio enable audio CD grabbing with libcdio
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181 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
182 and libraw1394 [no]
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183 --enable-libfaac enable AAC encoding via libfaac [no]
184 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
a5b64584 185 --enable-libfreetype enable libfreetype [no]
c547e5ff 186 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 187 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 188 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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189 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
190 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
191 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 192 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
44617d6e 193 --enable-libopus enable Opus decoding via libopus [no]
7c922411 194 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 195 --enable-librtmp enable RTMP[E] support via librtmp [no]
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196 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
197 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 198 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 199 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 200 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
c547e5ff 201 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
3f111804 202 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
06454877 203 --enable-libx264 enable H.264 encoding via x264 [no]
de295976 204 --enable-libxavs enable AVS encoding via xavs [no]
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205 --enable-libxvid enable Xvid encoding via xvidcore,
206 native MPEG-4/Xvid encoder exists [no]
a060866f 207 --enable-openssl enable openssl [no]
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208 --enable-zlib enable zlib [autodetect]
209
210Advanced options (experts only):
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211 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
212 --enable-cross-compile assume a cross-compiler is used
213 --sysroot=PATH root of cross-build tree
214 --sysinclude=PATH location of cross-build system headers
215 --target-os=OS compiler targets OS [$target_os]
216 --target-exec=CMD command to run executables on target
217 --target-path=DIR path to view of build directory on target
aeeb782c 218 --toolchain=NAME set tool defaults according to NAME
06454877 219 --nm=NM use nm tool
121d78d0 220 --ar=AR use archive tool AR [$ar_default]
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221 --as=AS use assembler AS [$as_default]
222 --cc=CC use C compiler CC [$cc_default]
193cdd9a 223 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
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224 --ld=LD use linker LD
225 --host-cc=HOSTCC use host C compiler HOSTCC
226 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
095792f2 227 --host-ld=HOSTLD use host linker HOSTLD
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228 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
229 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 230 --host-os=OS compiler host OS [$target_os]
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231 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
232 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
233 --extra-libs=ELIBS add ELIBS [$ELIBS]
234 --extra-version=STRING version string suffix []
193cdd9a 235 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 236 --build-suffix=SUFFIX library name suffix []
3b327a4b 237 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
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238 --arch=ARCH select architecture [$arch]
239 --cpu=CPU select the minimum required CPU (affects
240 instruction selection, may crash on older CPUs)
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241 --enable-pic build position-independent code
242 --enable-sram allow use of on-chip SRAM
193cdd9a 243 --enable-thumb compile for Thumb instruction set
3b327a4b 244 --disable-symver disable symbol versioning
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DB
245 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
246 --disable-safe-bitstream-reader
247 disable buffer boundary checking in bitreaders
248 (faster, but may crash)
249 --enable-memalign-hack emulate memalign, interferes with memory debuggers
65d12900 250 --enable-lto use link-time optimization
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251
252Optimization options (experts only):
c8a4ae00 253 --disable-asm disable all assembler optimizations
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254 --disable-altivec disable AltiVec optimizations
255 --disable-amd3dnow disable 3DNow! optimizations
256 --disable-amd3dnowext disable 3DNow! extended optimizations
257 --disable-mmx disable MMX optimizations
239fdf1b 258 --disable-mmxext disable MMXEXT optimizations
06454877 259 --disable-sse disable SSE optimizations
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260 --disable-sse2 disable SSE2 optimizations
261 --disable-sse3 disable SSE3 optimizations
06454877 262 --disable-ssse3 disable SSSE3 optimizations
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263 --disable-sse4 disable SSE4 optimizations
264 --disable-sse42 disable SSE4.2 optimizations
87f1355f 265 --disable-avx disable AVX optimizations
79687079 266 --disable-fma4 disable FMA4 optimizations
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267 --disable-armv5te disable armv5te optimizations
268 --disable-armv6 disable armv6 optimizations
269 --disable-armv6t2 disable armv6t2 optimizations
b3267559 270 --disable-vfp disable VFP optimizations
5ea20630 271 --disable-neon disable NEON optimizations
06454877 272 --disable-vis disable VIS optimizations
afb5ed55 273 --disable-inline-asm disable use of inline assembler
06454877 274 --disable-yasm disable use of yasm assembler
06454877 275
070c5d0f 276Developer options (useful when working on Libav itself):
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277 --disable-debug disable debugging symbols
278 --enable-debug=LEVEL set the debug level [$debuglevel]
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279 --disable-optimizations disable compiler optimizations
280 --enable-extra-warnings enable more compiler warnings
52b3cc60 281 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 282 \$LIBAV_SAMPLES at make invocation time.
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283 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
284 should be used only for debugging purposes)
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285 --enable-random randomly enable/disable components
286 --disable-random
287 --enable-random=LIST randomly enable/disable specific components or
288 --disable-random=LIST component groups. LIST is a comma-separated list
289 of NAME[:PROB] entries where NAME is a component
290 (group) and PROB the probability associated with
291 NAME (default 0.5).
292 --random-seed=VALUE seed value for --enable/disable-random
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293
294NOTE: Object files are built at the place where configure is launched.
295EOF
60e8bc13 296 exit 0
74c53c2d 297}
cf9d24ad 298
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299quotes='""'
300
57bd82d4 301log(){
2270b4b2 302 echo "$@" >> $logfile
57bd82d4
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303}
304
720c69da 305log_file(){
c8e9f801 306 log BEGIN $1
2270b4b2 307 pr -n -t $1 >> $logfile
c8e9f801
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308 log END $1
309}
310
2ba042a7 311echolog(){
c8e9f801 312 log "$@"
57bd82d4 313 echo "$@"
2ba042a7
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314}
315
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316warn(){
317 log "WARNING: $*"
318 WARNINGS="${WARNINGS}WARNING: $*\n"
319}
320
2ba042a7
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321die(){
322 echolog "$@"
323 cat <<EOF
d326cf7f 324
2ba042a7 325If you think configure made a mistake, make sure you are using the latest
4a6a21f5 326version from Git. If the latest version fails, report the problem to the
070c5d0f 327libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 328EOF
e155a21a 329 if disabled logging; then
2ba042a7 330 cat <<EOF
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331Rerun configure with logging enabled (do not use --disable-logging), and
332include the log this produces with your report.
2ba042a7
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333EOF
334 else
f69f51b3 335 cat <<EOF
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336Include the log file "$logfile" produced by configure as this will help
337solving the problem.
2ba042a7
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338EOF
339 fi
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340 exit 1
341}
342
6c6007d6 343# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 344toupper(){
6c6007d6 345 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
346}
347
4a5444db 348tolower(){
6c6007d6 349 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
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350}
351
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352c_escape(){
353 echo "$*" | sed 's/["\\]/\\\0/g'
354}
355
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356sh_quote(){
357 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 358 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
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359 echo "$v"
360}
361
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362cleanws(){
363 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
364}
365
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366filter(){
367 pat=$1
368 shift
369 for v; do
98ef6079 370 eval "case $v in $pat) echo $v ;; esac"
be8f2501
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371 done
372}
373
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374filter_out(){
375 pat=$1
376 shift
377 for v; do
378 eval "case $v in $pat) ;; *) echo $v ;; esac"
379 done
380}
381
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382map(){
383 m=$1
384 shift
e0e335a0 385 for v; do eval $m; done
36e2dea0
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386}
387
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388add_suffix(){
389 suffix=$1
390 shift
391 for v; do echo ${v}${suffix}; done
392}
393
a8d04fba
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394set_all(){
395 value=$1
396 shift
397 for var in $*; do
398 eval $var=$value
399 done
400}
401
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402set_weak(){
403 value=$1
404 shift
405 for var; do
406 eval : \${$var:=$value}
407 done
408}
409
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410set_safe(){
411 var=$1
412 shift
413 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
414}
415
416get_safe(){
417 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
418}
419
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420pushvar(){
421 for var in $*; do
422 eval level=\${${var}_level:=0}
423 eval ${var}_${level}="\$$var"
424 eval ${var}_level=$(($level+1))
425 done
426}
427
428popvar(){
429 for var in $*; do
430 eval level=\${${var}_level:-0}
431 test $level = 0 && continue
432 eval level=$(($level-1))
433 eval $var="\${${var}_${level}}"
434 eval ${var}_level=$level
435 eval unset ${var}_${level}
436 done
437}
438
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439enable(){
440 set_all yes $*
441}
442
443disable(){
444 set_all no $*
445}
446
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447enable_weak(){
448 set_weak yes $*
449}
450
451disable_weak(){
452 set_weak no $*
453}
454
72702705 455enable_safe(){
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456 for var; do
457 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
458 done
72702705
MR
459}
460
461disable_safe(){
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MR
462 for var; do
463 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
464 done
72702705
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465}
466
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467do_enable_deep(){
468 for var; do
469 enabled $var && continue
470 eval sel="\$${var}_select"
c510c7b5
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471 eval sgs="\$${var}_suggest"
472 pushvar var sgs
f9d328da 473 enable_deep $sel
c510c7b5
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474 popvar sgs
475 enable_deep_weak $sgs
f9d328da
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476 popvar var
477 done
478}
479
480enable_deep(){
481 do_enable_deep $*
482 enable $*
483}
484
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485enable_deep_weak(){
486 do_enable_deep $*
487 enable_weak $*
488}
489
57bd82d4 490enabled(){
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MR
491 test "${1#!}" = "$1" && op== || op=!=
492 eval test "x\$${1#!}" $op "xyes"
44161118
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493}
494
37970ebf 495disabled(){
3250003c
MR
496 test "${1#!}" = "$1" && op== || op=!=
497 eval test "x\$${1#!}" $op "xno"
37970ebf
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498}
499
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500enabled_all(){
501 for opt; do
502 enabled $opt || return 1
503 done
504}
505
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506disabled_all(){
507 for opt; do
508 disabled $opt || return 1
509 done
510}
511
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512enabled_any(){
513 for opt; do
514 enabled $opt && return 0
515 done
516}
517
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518disabled_any(){
519 for opt; do
520 disabled $opt && return 0
521 done
f7b230a7 522 return 1
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DB
523}
524
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525set_default(){
526 for opt; do
88268e94 527 eval : \${$opt:=\$${opt}_default}
c9d19248
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528 done
529}
530
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531is_in(){
532 value=$1
533 shift
534 for var in $*; do
535 [ $var = $value ] && return 0
536 done
537 return 1
538}
539
d4f8cecc 540do_check_deps(){
30fd06be 541 for cfg; do
3250003c 542 cfg="${cfg#!}"
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543 enabled ${cfg}_checking && die "Circular dependency for $cfg."
544 disabled ${cfg}_checking && continue
545 enable ${cfg}_checking
d4f8cecc 546 append allopts $cfg
799c9e9b 547
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548 eval dep_all="\$${cfg}_deps"
549 eval dep_any="\$${cfg}_deps_any"
7ef3425f 550 eval dep_sel="\$${cfg}_select"
c510c7b5 551 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
552 eval dep_ifa="\$${cfg}_if"
553 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 554
3d7453e0 555 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
d4f8cecc 556 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
3d7453e0 557 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 558
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559 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
560 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
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561 enabled_all $dep_all || disable $cfg
562 enabled_any $dep_any || disable $cfg
7ef3425f 563 disabled_any $dep_sel && disable $cfg
799c9e9b 564
4ec45764 565 if enabled $cfg; then
f9d328da 566 enable_deep $dep_sel
c510c7b5 567 enable_deep_weak $dep_sgs
4ec45764
RP
568 fi
569
799c9e9b 570 disable ${cfg}_checking
30fd06be
MR
571 done
572}
573
d4f8cecc
MR
574check_deps(){
575 unset allopts
576
577 do_check_deps "$@"
578
579 for cfg in $allopts; do
580 enabled $cfg || continue
581 eval dep_extralibs="\$${cfg}_extralibs"
582 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
583 done
584}
585
44161118
MR
586print_config(){
587 pfx=$1
72cfcf41
MR
588 files=$2
589 shift 2
f454e879
MR
590 map 'eval echo "$v \${$v:-no}"' "$@" |
591 awk "BEGIN { split(\"$files\", files) }
592 {
593 c = \"$pfx\" toupper(\$1);
594 v = \$2;
595 sub(/yes/, 1, v);
596 sub(/no/, 0, v);
597 for (f in files) {
598 file = files[f];
599 if (file ~ /\\.h\$/) {
600 printf(\"#define %s %d\\n\", c, v) >>file;
601 } else if (file ~ /\\.asm\$/) {
602 printf(\"%%define %s %d\\n\", c, v) >>file;
603 } else if (file ~ /\\.mak\$/) {
d16c4aeb 604 n = -v ? \"\" : \"!\";
f454e879
MR
605 printf(\"%s%s=yes\\n\", n, c) >>file;
606 }
607 }
608 }"
57bd82d4
MR
609}
610
31c0121d 611print_enabled(){
31c0121d
MR
612 suf=$1
613 shift
614 for v; do
9eda2a85 615 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
616 done
617}
618
57bd82d4
MR
619append(){
620 var=$1
621 shift
57bd82d4
MR
622 eval "$var=\"\$$var $*\""
623}
624
60361817
MR
625prepend(){
626 var=$1
627 shift
628 eval "$var=\"$* \$$var\""
629}
630
50a334e4 631add_cppflags(){
cd52ec95 632 append CPPFLAGS "$@"
50a334e4
MR
633}
634
57bd82d4 635add_cflags(){
01d31e16 636 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
637}
638
2f2e6c7c 639add_asflags(){
01d31e16 640 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
641}
642
57bd82d4 643add_ldflags(){
64933b6c 644 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
645}
646
647add_extralibs(){
64933b6c 648 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
649}
650
6c3fa06a
MR
651add_host_cflags(){
652 append host_cflags $($host_cflags_filter "$@")
653}
654
655add_host_ldflags(){
656 append host_ldflags $($host_ldflags_filter "$@")
657}
658
84e65c76
MR
659add_compat(){
660 append compat_objs $1
661 shift
662 map 'add_cppflags -D$v' "$@"
663}
664
b0cfb663 665check_cmd(){
b3cb5d51 666 log "$@"
2270b4b2 667 "$@" >> $logfile 2>&1
b0cfb663
MR
668}
669
b2704a65
MR
670cc_o(){
671 eval printf '%s\\n' $CC_O
672}
673
18031c49
MR
674cc_e(){
675 eval printf '%s\\n' $CC_E
676}
677
dcd479c0 678check_cc(){
57bd82d4 679 log check_cc "$@"
2270b4b2 680 cat > $TMPC
720c69da 681 log_file $TMPC
23565c26 682 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
683}
684
685check_cpp(){
686 log check_cpp "$@"
2270b4b2 687 cat > $TMPC
720c69da 688 log_file $TMPC
18031c49 689 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
690}
691
df0d6341
MR
692as_o(){
693 eval printf '%s\\n' $AS_O
694}
695
f65883c8
MR
696check_as(){
697 log check_as "$@"
7fd90119
MR
698 cat > $TMPS
699 log_file $TMPS
700 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
701}
702
575db883
DB
703check_inline_asm(){
704 log check_inline_asm "$@"
940f335a 705 name="$1"
3784e82e 706 code="$2"
940f335a 707 shift 2
49214f61 708 disable $name
7fd90119 709 check_cc "$@" <<EOF && enable $name
3784e82e 710void foo(void){ __asm__ volatile($code); }
940f335a
MR
711EOF
712}
713
c6ebc9fa
MR
714check_insn(){
715 log check_insn "$@"
716 check_inline_asm ${1}_inline "\"$2\""
717 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
718}
719
304d586d
LM
720check_yasm(){
721 log check_yasm "$@"
722 echo "$1" > $TMPS
723 log_file $TMPS
724 shift 1
725 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
726}
727
29b64b68
MR
728ld_o(){
729 eval printf '%s\\n' $LD_O
730}
731
dcd479c0 732check_ld(){
57bd82d4 733 log check_ld "$@"
66a1ccd7
MR
734 flags=$(filter_out '-l*' "$@")
735 libs=$(filter '-l*' "$@")
01d31e16 736 check_cc $($cflags_filter $flags) || return
64933b6c
MR
737 flags=$($ldflags_filter $flags)
738 libs=$($ldflags_filter $libs)
29b64b68 739 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
740}
741
5adc829e
MR
742check_code(){
743 log check_code "$@"
744 check=$1
745 headers=$2
746 code=$3
747 shift 3
748 {
749 for hdr in $headers; do
750 echo "#include <$hdr>"
751 done
752 echo "int main(void) { $code; return 0; }"
753 } | check_$check "$@"
754}
755
50a334e4
MR
756check_cppflags(){
757 log check_cppflags "$@"
caf458dd 758 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
759int x;
760EOF
761}
762
dcd479c0 763check_cflags(){
57bd82d4 764 log check_cflags "$@"
01d31e16 765 set -- $($cflags_filter "$@")
caf458dd 766 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
767int x;
768EOF
769}
770
2ed46eea
MR
771test_ldflags(){
772 log test_ldflags "$@"
773 check_ld "$@" <<EOF
c23a0ac8 774int main(void){ return 0; }
dcd479c0
MR
775EOF
776}
777
2ed46eea
MR
778check_ldflags(){
779 log check_ldflags "$@"
780 test_ldflags "$@" && add_ldflags "$@"
781}
782
dcd479c0 783check_header(){
57bd82d4 784 log check_header "$@"
dcd479c0
MR
785 header=$1
786 shift
b77df637
MR
787 disable_safe $header
788 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
789#include <$header>
790int x;
791EOF
792}
793
794check_func(){
57bd82d4 795 log check_func "$@"
dcd479c0
MR
796 func=$1
797 shift
d8bc5f06
MR
798 disable $func
799 check_ld "$@" <<EOF && enable $func
dcd479c0 800extern int $func();
c23a0ac8 801int main(void){ $func(); }
dcd479c0
MR
802EOF
803}
804
645d2652 805check_mathfunc(){
6b73c0ae 806 log check_mathfunc "$@"
645d2652 807 func=$1
1aa07aa2
MR
808 narg=$2
809 shift 2
810 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
811 disable $func
812 check_ld "$@" <<EOF && enable $func
813#include <math.h>
1aa07aa2 814float foo(float f, float g) { return $func($args); }
33bd38db 815int main(void){ return 0; }
645d2652
MR
816EOF
817}
818
2446d3d6
DB
819check_func_headers(){
820 log check_func_headers "$@"
f8d7b072 821 headers=$1
edaf1ae2 822 funcs=$2
f8d7b072 823 shift 2
edaf1ae2
MR
824 {
825 for hdr in $headers; do
826 echo "#include <$hdr>"
827 done
828 for func in $funcs; do
829 echo "long check_$func(void) { return (long) $func; }"
830 done
831 echo "int main(void) { return 0; }"
832 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
833}
834
a5344cf7
SS
835check_cpp_condition(){
836 log check_cpp_condition "$@"
837 header=$1
838 condition=$2
f855b7b9 839 shift 2
cd52ec95 840 check_cpp "$@" <<EOF
a5344cf7
SS
841#include <$header>
842#if !($condition)
843#error "unsatisfied condition: $condition"
844#endif
845EOF
846}
847
57bd82d4
MR
848check_lib(){
849 log check_lib "$@"
850 header="$1"
851 func="$2"
852 shift 2
84400e9d 853 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
854}
855
f8d7b072
MR
856check_lib2(){
857 log check_lib2 "$@"
858 headers="$1"
edaf1ae2 859 funcs="$2"
f8d7b072 860 shift 2
edaf1ae2 861 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
862}
863
3f8040db
MR
864check_pkg_config(){
865 log check_pkg_config "$@"
866 pkg="$1"
867 headers="$2"
868 funcs="$3"
869 shift 3
870 $pkg_config --exists $pkg || return
871 pkg_cflags=$($pkg_config --cflags $pkg)
872 pkg_libs=$($pkg_config --libs $pkg)
873 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
874 set_safe ${pkg}_cflags $pkg_cflags &&
875 set_safe ${pkg}_libs $pkg_libs
876}
877
dcd479c0 878check_exec(){
2270b4b2 879 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
880}
881
7dfef245 882check_exec_crash(){
5e622c40 883 code=$(cat)
7dfef245
MR
884
885 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
886 # are safe but may not be available everywhere. Thus we use
887 # raise(SIGTERM) instead. The check is run in a subshell so we
888 # can redirect the "Terminated" message from the shell. SIGBUS
889 # is not defined by standard C so it is used conditionally.
890
2270b4b2 891 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
892#include <signal.h>
893static void sighandler(int sig){
894 raise(SIGTERM);
895}
692dd8ed
MR
896int foo(void){
897 $code
898}
e5af4a11 899int main(void){
7dfef245
MR
900 signal(SIGILL, sighandler);
901 signal(SIGFPE, sighandler);
902 signal(SIGSEGV, sighandler);
903#ifdef SIGBUS
904 signal(SIGBUS, sighandler);
905#endif
692dd8ed 906 foo();
7dfef245
MR
907}
908EOF
909}
910
72be9e73
DY
911check_type(){
912 log check_type "$@"
913 headers=$1
914 type=$2
915 shift 2
ae550ce9 916 disable_safe "$type"
5adc829e 917 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
918}
919
14d36751
MR
920check_struct(){
921 log check_type "$@"
922 headers=$1
923 struct=$2
924 member=$3
925 shift 3
926 disable_safe "${struct}_${member}"
5adc829e
MR
927 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
928 enable_safe "${struct}_${member}"
14d36751
MR
929}
930
57bd82d4
MR
931require(){
932 name="$1"
933 header="$2"
934 func="$3"
935 shift 3
936 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
937}
938
f8d7b072
MR
939require2(){
940 name="$1"
941 headers="$2"
942 func="$3"
943 shift 3
944 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
945}
946
3f8040db
MR
947require_pkg_config(){
948 pkg="$1"
949 check_pkg_config "$@" || die "ERROR: $pkg not found"
950 add_cflags $(get_safe ${pkg}_cflags)
951 add_extralibs $(get_safe ${pkg}_libs)
952}
953
ae43c4c0
MR
954hostcc_o(){
955 eval printf '%s\\n' $HOSTCC_O
956}
957
f0125de9
MR
958check_host_cc(){
959 log check_host_cc "$@"
960 cat > $TMPC
961 log_file $TMPC
ae43c4c0 962 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
963}
964
965check_host_cflags(){
966 log check_host_cflags "$@"
6c3fa06a 967 set -- $($host_cflags_filter "$@")
f0125de9
MR
968 check_host_cc "$@" <<EOF && append host_cflags "$@"
969int x;
970EOF
971}
972
c505dd31
MR
973apply(){
974 file=$1
975 shift
976 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
977}
978
c34681df 979cp_if_changed(){
5e27ec28
MR
980 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
981 mkdir -p "$(dirname $2)"
4ebc6a74 982 $cp_f "$1" "$2"
c34681df
MR
983}
984
dcd61286
DB
985# CONFIG_LIST contains configurable options, while HAVE_LIST is for
986# system-dependent things.
987
4a0d6686
AJ
988COMPONENT_LIST="
989 bsfs
990 decoders
991 demuxers
992 encoders
3cde40aa 993 filters
5666fd73 994 hwaccels
c552605c 995 indevs
4a0d6686 996 muxers
c552605c 997 outdevs
4a0d6686
AJ
998 parsers
999 protocols
1000"
1001
70b348ec
DB
1002HWACCEL_LIST="
1003 dxva2
1004 vaapi
1005 vda
1006 vdpau
1007"
d89f2fa9
DB
1008LIBRARY_LIST="
1009 avcodec
1010 avdevice
1011 avfilter
1012 avformat
1013 avresample
1014 avutil
1015 swscale
1016"
1017
055c61b8
DB
1018PROGRAM_LIST="
1019 avconv
1020 avplay
1021 avprobe
1022 avserver
055c61b8
DB
1023"
1024
4a0d6686
AJ
1025CONFIG_LIST="
1026 $COMPONENT_LIST
70b348ec 1027 $HWACCEL_LIST
d89f2fa9 1028 $LIBRARY_LIST
055c61b8 1029 $PROGRAM_LIST
c88f5d72 1030 avisynth
f402916e 1031 bzlib
7f3f5f46 1032 dct
c73f65d9 1033 doc
1848f7d9 1034 fft
47941088 1035 frei0r
bc8c1395 1036 gnutls
c88f5d72 1037 gpl
d8d0d0b2 1038 gray
3abe5fbd 1039 hardcoded_tables
e417d80d 1040 libcdio
f7b8bffe 1041 libdc1394
2eed5a46 1042 libfaac
37eeb5e2 1043 libfdk_aac
a5b64584 1044 libfreetype
c88f5d72 1045 libgsm
3641b048 1046 libilbc
6ebe07fb 1047 libmp3lame
0b175caa
DB
1048 libopencore_amrnb
1049 libopencore_amrwb
6ebf0bfc 1050 libopencv
9a77d59a 1051 libopenjpeg
44617d6e 1052 libopus
0de9c41f 1053 libpulse
0f943ce6 1054 librtmp
f7cd9eed 1055 libschroedinger
ae14f311 1056 libspeex
150d2772 1057 libtheora
d89e738a 1058 libvo_aacenc
f502ff3f 1059 libvo_amrwbenc
c88f5d72 1060 libvorbis
8299a7f8 1061 libvpx
1cc60c47 1062 libx264
de295976 1063 libxavs
1cc60c47 1064 libxvid
b781cc12 1065 lsp
2a91ada8 1066 lzo
47a158cb 1067 mdct
c88f5d72 1068 memalign_hack
c88f5d72 1069 network
3fe142e2 1070 nonfree
a060866f 1071 openssl
8a3c8627 1072 pic
68602540 1073 rdft
e90f5b5a 1074 runtime_cpudetect
8cfbbd92 1075 safe_bitstream_reader
2e35e684 1076 shared
bd2216e4 1077 small
6b35d421 1078 sram
2e35e684 1079 static
a9ddb5b1 1080 swscale_alpha
8986fddc 1081 thumb
9cad0e4e 1082 version3
7e4d9d5d 1083 xmm_clobber_test
56a059ac 1084 x11grab
c88f5d72 1085 zlib
4a0d6686 1086"
c88f5d72 1087
8eee7025 1088THREADS_LIST='
8eee7025
DB
1089 pthreads
1090 w32threads
1091'
1092
3f5b56e5 1093ARCH_LIST='
5873b623 1094 aarch64
3f5b56e5 1095 alpha
a2fc0f6a 1096 arm
fdcd782d
MR
1097 avr32
1098 avr32_ap
1099 avr32_uc
3f5b56e5
MR
1100 bfin
1101 ia64
1102 m68k
1103 mips
bae3abb0 1104 mips64
3f5b56e5 1105 parisc
79cb09b2 1106 ppc
34d11b87 1107 ppc64
3f5b56e5
MR
1108 s390
1109 sh4
1110 sparc
1111 sparc64
c75848cd
DB
1112 tilegx
1113 tilepro
0844bae1 1114 tomi
3f5b56e5
MR
1115 x86
1116 x86_32
1117 x86_64
1118'
1119
81dfa21e
MR
1120ARCH_EXT_LIST_ARM='
1121 armv5te
1122 armv6
1123 armv6t2
81dfa21e 1124 neon
b3267559 1125 vfp
81dfa21e
MR
1126 vfpv3
1127'
1128
50cd43f2 1129ARCH_EXT_LIST_X86='
3bf96eec 1130 amd3dnow
a1ef9f08 1131 amd3dnowext
50cd43f2
DB
1132 avx
1133 fma4
1134 mmx
1135 mmxext
1136 sse
1137 sse2
1138 sse3
1139 sse4
1140 sse42
1141 ssse3
1142'
1143
1144ARCH_EXT_LIST="
81dfa21e 1145 $ARCH_EXT_LIST_ARM
50cd43f2
DB
1146 $ARCH_EXT_LIST_X86
1147 altivec
799fde37 1148 ppc4xx
bd9d34a0 1149 vis
50cd43f2 1150"
3f5b56e5 1151
fd712a55
DB
1152HAVE_LIST_CMDLINE='
1153 inline_asm
1154 symver
1155 yasm
1156'
1157
a3e02a8c
MR
1158HAVE_LIST_PUB='
1159 bigendian
d268eee9 1160 fast_unaligned
a3e02a8c
MR
1161'
1162
79042ab3 1163MATH_FUNCS="
fab0a8b2
MR
1164 atanf
1165 atan2f
79042ab3 1166 cbrtf
fab0a8b2 1167 cosf
79042ab3
DB
1168 exp2
1169 exp2f
fab0a8b2 1170 expf
79042ab3
DB
1171 isinf
1172 isnan
fab0a8b2 1173 ldexpf
79042ab3
DB
1174 llrint
1175 llrintf
1176 log2
1177 log2f
fab0a8b2 1178 log10f
79042ab3
DB
1179 lrint
1180 lrintf
fab0a8b2 1181 powf
79042ab3
DB
1182 rint
1183 round
1184 roundf
fab0a8b2 1185 sinf
79042ab3
DB
1186 trunc
1187 truncf
1188"
1189
3f5b56e5
MR
1190HAVE_LIST="
1191 $ARCH_EXT_LIST
43b73d59
DB
1192 $(add_suffix _external $ARCH_EXT_LIST)
1193 $(add_suffix _inline $ARCH_EXT_LIST)
fd712a55 1194 $HAVE_LIST_CMDLINE
a3e02a8c 1195 $HAVE_LIST_PUB
3f5b56e5 1196 $THREADS_LIST
79042ab3 1197 $MATH_FUNCS
be1a839c 1198 aligned_malloc
59782b82 1199 aligned_stack
35fd8122 1200 alsa_asoundlib_h
3f5b56e5 1201 altivec_h
c9fdab0d 1202 arpa_inet_h
ec9d2c15 1203 asm_mod_q
6308729e 1204 asm_mod_y
dffb41b9 1205 attribute_may_alias
e7ea5e3d 1206 attribute_packed
43e0e0c4
LB
1207 cdio_paranoia_h
1208 cdio_paranoia_paranoia_h
ecf97f22 1209 closesocket
1ac9331a 1210 cmov
15caccb9 1211 CommandLineToArgvW
180d43bc 1212 cpunop
1093383d 1213 CryptGenRandom
c88f5d72 1214 dcbzl
f8aa696f
DB
1215 dev_bktr_ioctl_bt848_h
1216 dev_bktr_ioctl_meteor_h
1217 dev_ic_bt8xx_h
f8aa696f 1218 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1219 dev_video_meteor_ioctl_meteor_h
ca6b544a 1220 direct_h
18b67ae5 1221 dlfcn_h
c88f5d72 1222 dlopen
bc574408 1223 dos_paths
fa845061 1224 dxva_h
245626d0
DB
1225 ebp_available
1226 ebx_available
c2a29455 1227 fast_64bit
669b5583 1228 fast_clz
7073e9fc 1229 fast_cmov
534a2231 1230 fcntl
9d99cc5a 1231 fork
84882df6 1232 getaddrinfo
da9e86f8 1233 gethrtime
667fb97a 1234 getopt
02e8f427 1235 GetProcessAffinityMask
fc5607f8 1236 GetProcessMemoryInfo
4e68cb8a 1237 GetProcessTimes
61183b5a 1238 GetSystemTimeAsFileTime
66be5b45 1239 getrusage
c3e73100 1240 getservbyport
61183b5a 1241 gettimeofday
a49d3025 1242 gnu_as
c7df1532 1243 gsm_h
2f0c136e 1244 ibm_asm
2e1913b1 1245 inet_aton
3b1ab197 1246 io_h
abfc8d05 1247 isatty
8772997d 1248 jack_port_get_latency_range
9f5ff83f 1249 ldbrx
0b4a1821
AS
1250 libdc1394_1
1251 libdc1394_2
d96cd429
MR
1252 local_aligned_16
1253 local_aligned_8
a5b64584 1254 localtime_r
85dd97ad 1255 loongson
f8aa696f
DB
1256 machine_ioctl_bt848_h
1257 machine_ioctl_meteor_h
c88f5d72 1258 malloc_h
73f6d31e 1259 MapViewOfFile
c88f5d72 1260 memalign
6ffa87d3 1261 mkstemp
f80ddd5b 1262 mm_empty
0328b9ea 1263 mmap
e98b02de 1264 mprotect
4fa661a8 1265 msvcrt
d3d3a32c 1266 nanosleep
3e0b1c9a 1267 poll_h
1f91cdce 1268 posix_memalign
07b28702 1269 rdtsc
ea4d5f48 1270 sched_getaffinity
c88f5d72
MR
1271 sdl
1272 sdl_video_size
7e6a11bc 1273 SetConsoleTextAttribute
b507ebd1 1274 setmode
3e0b1c9a 1275 setrlimit
d3d3a32c 1276 Sleep
15d59d2c 1277 sndio_h
72be9e73 1278 socklen_t
deb29777 1279 soundcard_h
87958234 1280 strerror_r
6379900c 1281 strptime
47941088 1282 strtok_r
c0018613 1283 struct_addrinfo
75d339e0
MS
1284 struct_group_source_req
1285 struct_ip_mreq_source
b4d68544 1286 struct_ipv6_mreq
cdee08e3 1287 struct_pollfd
3e0b1c9a 1288 struct_rusage_ru_maxrss
b4d68544 1289 struct_sockaddr_in6
3b2372bf 1290 struct_sockaddr_sa_len
33a4dbdd 1291 struct_sockaddr_storage
a6a4793d 1292 struct_v4l2_frmivalenum_discrete
b462d132 1293 symver_asm_label
3e0b1c9a 1294 symver_gnu_asm
bcc73960 1295 sysconf
b9e22269 1296 sysctl
b58412f1 1297 sys_mman_h
06bb5905 1298 sys_param_h
b091aa44 1299 sys_resource_h
81644c2e 1300 sys_select_h
deb29777 1301 sys_soundcard_h
e64bceea 1302 sys_time_h
1b6e8b73 1303 sys_videoio_h
b265431e 1304 threads
542920b7 1305 unistd_h
d3d3a32c 1306 usleep
ce742de2 1307 vfp_args
7c5bfe7a 1308 VirtualAlloc
d3d3a32c 1309 windows_h
6ff3f3e7 1310 winsock2_h
cc078b5d 1311 xform_asm
6f74fb03 1312 xmm_clobbers
0cb78cef 1313"
44161118 1314
511cf612 1315# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1316CONFIG_EXTRA="
87849592 1317 aandcttables
bfe9f48a 1318 ac3dsp
aa11cb79 1319 audio_frame_queue
c292f6a2 1320 error_resilience
bfe9f48a 1321 gcrypt
478fd534 1322 golomb
9cad0e4e 1323 gplv3
478fd534
DB
1324 h264chroma
1325 h264dsp
1326 h264pred
915a2a0a 1327 h264qpel
478fd534 1328 huffman
9cad0e4e 1329 lgplv3
478fd534 1330 lpc
1e164c0b 1331 mpegaudio
bfe9f48a 1332 mpegaudiodsp
18bbca1f 1333 mpegvideo
ad08dfd5 1334 mpegvideoenc
bfe9f48a 1335 nettle
f704a079 1336 rangecoder
bfe9f48a 1337 rtpdec
5ad2f0bf 1338 rtpenc_chain
bfe9f48a 1339 sinewin
8c53d39e 1340 videodsp
ab9f9876 1341 vp3dsp
b6bb00b0
MR
1342"
1343
520cc7f1 1344CMDLINE_SELECT="
3f5b56e5 1345 $ARCH_EXT_LIST
520cc7f1 1346 $CONFIG_LIST
fd712a55 1347 $HAVE_LIST_CMDLINE
8eee7025 1348 $THREADS_LIST
c8a4ae00 1349 asm
db6107b6 1350 cross_compile
520cc7f1
MR
1351 debug
1352 extra_warnings
8c6afa4d 1353 logging
65d12900 1354 lto
d2bbb2f7 1355 optimizations
520cc7f1 1356"
426be5dc
DB
1357
1358PATHS_LIST='
d156bede 1359 bindir
14a8acf1 1360 datadir
26759c44
MR
1361 incdir
1362 libdir
26759c44
MR
1363 mandir
1364 prefix
1365 shlibdir
426be5dc
DB
1366'
1367
1368CMDLINE_SET="
1369 $PATHS_LIST
121d78d0 1370 ar
426be5dc 1371 arch
313c46a6 1372 as
426be5dc
DB
1373 build_suffix
1374 cc
1375 cpu
1376 cross_prefix
50567afa 1377 dep_cc
ac63af34 1378 extra_version
9da6609f
MR
1379 host_cc
1380 host_cflags
095792f2 1381 host_ld
9da6609f
MR
1382 host_ldflags
1383 host_libs
82bb3329 1384 host_os
684b28e0 1385 ld
426be5dc 1386 logfile
4ae40685 1387 malloc_prefix
89641463 1388 nm
9cd7b854 1389 optflags
3f8040db 1390 pkg_config
154caa67 1391 random_seed
2fad0977 1392 samples
c5200f17
MR
1393 sysinclude
1394 sysroot
a7ada2ba 1395 target_exec
26759c44 1396 target_os
a7ada2ba 1397 target_path
aeeb782c 1398 toolchain
426be5dc 1399"
520cc7f1 1400
89f2932b
MR
1401CMDLINE_APPEND="
1402 extra_cflags
1403"
1404
912f3148
DB
1405# code dependency declarations
1406
9eeed841 1407# architecture extensions
808fa33c 1408
a2fc0f6a
MR
1409armv5te_deps="arm"
1410armv6_deps="arm"
ab5cb084 1411armv6t2_deps="arm"
808fa33c 1412neon_deps="arm"
b3267559
MR
1413vfp_deps="arm"
1414vfpv3_deps="vfp"
808fa33c 1415
637606de
MR
1416map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1417
808fa33c
MR
1418altivec_deps="ppc"
1419ppc4xx_deps="ppc"
1420
1421vis_deps="sparc"
1422
7f8c3d1f 1423x86_64_suggest="cmov fast_cmov"
50cd43f2 1424
808fa33c
MR
1425amd3dnow_deps="mmx"
1426amd3dnowext_deps="amd3dnow"
9eeed841 1427mmx_deps="x86"
239fdf1b 1428mmxext_deps="mmx"
50cd43f2
DB
1429sse_deps="mmxext"
1430sse2_deps="sse"
1431sse3_deps="sse2"
1432ssse3_deps="sse3"
1433sse4_deps="ssse3"
1434sse42_deps="sse4"
1435avx_deps="sse42"
79687079 1436fma4_deps="avx"
9eeed841 1437
43b73d59
DB
1438mmx_external_deps="yasm"
1439mmx_inline_deps="inline_asm"
1440mmx_suggest="mmx_external mmx_inline"
1441
1442for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1443 eval dep=\$${ext}_deps
1444 eval ${ext}_external_deps='"${dep}_external"'
1445 eval ${ext}_inline_deps='"${dep}_inline"'
1446 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1447done
1448
59782b82 1449aligned_stack_if_any="ppc x86"
e939cedd 1450fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
f0fe245b
MR
1451fast_clz_if_any="alpha avr32 mips ppc x86"
1452fast_unaligned_if_any="ppc x86"
669b5583 1453
6fec122a 1454inline_asm_deps="!tms470"
3e0b1c9a 1455need_memalign="altivec neon sse"
89e053f8 1456
b462d132
MR
1457symver_if_any="symver_asm_label symver_gnu_asm"
1458
88a35699
MS
1459log2_deps="!msvcrt"
1460
26fbcc85 1461# subsystems
dc609252 1462dct_select="rdft"
26fbcc85
MR
1463mdct_select="fft"
1464rdft_select="fft"
1e164c0b 1465mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1466mpegaudiodsp_select="dct"
ed40b6bf 1467mpegvideo_select="videodsp"
ad08dfd5 1468mpegvideoenc_select="mpegvideo"
26fbcc85 1469
ed40b6bf 1470# decoders / encoders
cfc2a0cf 1471aac_decoder_select="mdct sinewin"
aa11cb79 1472aac_encoder_select="audio_frame_queue mdct sinewin"
136e19e1 1473aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1474ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1475ac3_encoder_select="mdct ac3dsp"
3d269059 1476ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1477alac_encoder_select="lpc"
b781cc12 1478amrnb_decoder_select="lsp"
2b2a597e 1479amrwb_decoder_select="lsp"
4538729a 1480atrac1_decoder_select="mdct sinewin"
26fbcc85 1481atrac3_decoder_select="mdct"
a33657ce
DB
1482binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1483binkaudio_rdft_decoder_select="mdct rdft sinewin"
18bbca1f 1484cavs_decoder_select="golomb mpegvideo"
9b500b8f 1485comfortnoise_encoder_select="lpc"
4538729a 1486cook_decoder_select="mdct sinewin"
2a91ada8 1487cscd_decoder_select="lzo"
2eef7c62 1488cscd_decoder_suggest="zlib"
26fbcc85 1489dca_decoder_select="mdct"
ad08dfd5 1490dnxhd_encoder_select="aandcttables mpegvideoenc"
2eef7c62 1491dxa_decoder_select="zlib"
baf91bb9 1492eac3_decoder_select="ac3_decoder"
4264a0dd 1493eac3_encoder_select="ac3_encoder"
69804535 1494eamad_decoder_select="aandcttables error_resilience mpegvideo"
87849592 1495eatgq_decoder_select="aandcttables"
c292f6a2 1496eatqi_decoder_select="aandcttables error_resilience mpegvideo"
f704a079
DB
1497ffv1_decoder_select="golomb rangecoder"
1498ffv1_encoder_select="rangecoder"
5a582bd3 1499ffvhuff_encoder_select="huffman"
4f034993 1500flac_decoder_select="golomb"
f4d608e3 1501flac_encoder_select="golomb lpc"
2eef7c62
AJ
1502flashsv_decoder_select="zlib"
1503flashsv_encoder_select="zlib"
c2d23309 1504flashsv2_decoder_select="zlib"
4414137e 1505flv_decoder_select="h263_decoder"
4d4b4bd1 1506flv_encoder_select="h263_encoder"
3447f12d 1507fraps_decoder_select="huffman"
c292f6a2 1508h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1509h261_encoder_select="aandcttables mpegvideoenc"
c292f6a2
DB
1510h263_decoder_select="error_resilience h263_parser mpegvideo"
1511h263_encoder_select="aandcttables error_resilience mpegvideoenc"
4414137e 1512h263i_decoder_select="h263_decoder"
fe629c2d 1513h263p_encoder_select="h263_encoder"
c292f6a2 1514h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
5a582bd3 1515huffyuv_encoder_select="huffman"
19be0f3c 1516iac_decoder_select="fft mdct sinewin"
56c8227d 1517imc_decoder_select="fft mdct sinewin"
4f034993
MR
1518jpegls_decoder_select="golomb"
1519jpegls_encoder_select="golomb"
ad08dfd5 1520ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1521loco_decoder_select="golomb"
c292f6a2 1522mdec_decoder_select="error_resilience mpegvideo"
ad08dfd5 1523mjpeg_encoder_select="aandcttables mpegvideoenc"
2cca233b 1524mlp_decoder_select="mlp_parser"
1e164c0b
DB
1525mp1_decoder_select="mpegaudio"
1526mp1float_decoder_select="mpegaudio"
1527mp2_decoder_select="mpegaudio"
1528mp2float_decoder_select="mpegaudio"
1529mp3_decoder_select="mpegaudio"
1530mp3adu_decoder_select="mpegaudio"
1531mp3adufloat_decoder_select="mpegaudio"
1532mp3float_decoder_select="mpegaudio"
1533mp3on4_decoder_select="mpegaudio"
1534mp3on4float_decoder_select="mpegaudio"
606c9297
DB
1535mpc7_decoder_select="mpegaudiodsp"
1536mpc8_decoder_select="mpegaudiodsp"
3e0b1c9a
DB
1537mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1538mpeg_xvmc_decoder_select="mpegvideo_decoder"
c292f6a2
DB
1539mpeg1video_decoder_select="error_resilience mpegvideo"
1540mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
c292f6a2
DB
1541mpeg2video_decoder_select="error_resilience mpegvideo"
1542mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
3e0b1c9a
DB
1543mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1544mpeg4_encoder_select="h263_encoder"
4414137e 1545msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1546msmpeg4v1_encoder_select="h263_encoder"
4414137e 1547msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1548msmpeg4v2_encoder_select="h263_encoder"
4414137e 1549msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1550msmpeg4v3_encoder_select="h263_encoder"
ee769c6a 1551mss2_decoder_select="vc1_decoder"
4538729a 1552nellymoser_decoder_select="mdct sinewin"
aa11cb79 1553nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2a91ada8 1554nuv_decoder_select="lzo"
2eef7c62
AJ
1555png_decoder_select="zlib"
1556png_encoder_select="zlib"
b781cc12 1557qcelp_decoder_select="lsp"
c4f5c2d6 1558qdm2_decoder_select="mdct rdft mpegaudiodsp"
aa11cb79 1559ra_144_encoder_select="audio_frame_queue lpc"
9f43fdda 1560ralf_decoder_select="golomb"
a8beb22f 1561rv10_decoder_select="h263_decoder"
b2bf38b4 1562rv10_encoder_select="h263_encoder"
a8beb22f 1563rv20_decoder_select="h263_decoder"
b2bf38b4 1564rv20_encoder_select="h263_encoder"
c292f6a2
DB
1565rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1566rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
4f034993 1567shorten_decoder_select="golomb"
b781cc12 1568sipr_decoder_select="lsp"
c292f6a2
DB
1569svq1_decoder_select="error_resilience mpegvideo"
1570svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1571svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
bee2eac5 1572svq3_decoder_suggest="zlib"
4eef77c1 1573theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1574tiff_decoder_suggest="zlib"
1575tiff_encoder_suggest="zlib"
aec09a00 1576truehd_decoder_select="mlp_decoder"
2eef7c62 1577tscc_decoder_select="zlib"
4538729a 1578twinvq_decoder_select="mdct lsp sinewin"
aa661113 1579utvideo_encoder_select="huffman"
915a2a0a 1580vc1_decoder_select="h263_decoder h264chroma h264qpel"
45ecda85 1581vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1582vorbis_decoder_select="mdct"
1583vorbis_encoder_select="mdct"
8c53d39e
RB
1584vp3_decoder_select="vp3dsp videodsp"
1585vp5_decoder_select="vp3dsp videodsp"
1586vp6_decoder_select="huffman vp3dsp videodsp"
e82dc4c9
DB
1587vp6a_decoder_select="vp6_decoder"
1588vp6f_decoder_select="vp6_decoder"
8c53d39e 1589vp8_decoder_select="h264pred videodsp"
4538729a
MR
1590wmapro_decoder_select="mdct sinewin"
1591wmav1_decoder_select="mdct sinewin"
1592wmav1_encoder_select="mdct sinewin"
1593wmav2_decoder_select="mdct sinewin"
1594wmav2_encoder_select="mdct sinewin"
1595wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1596wmv1_decoder_select="h263_decoder"
665507aa 1597wmv1_encoder_select="h263_encoder"
f95bfab0 1598wmv2_decoder_select="h263_decoder"
1746e2a9 1599wmv2_encoder_select="h263_encoder"
015f8ee0 1600wmv3_decoder_select="vc1_decoder"
45ecda85 1601wmv3image_decoder_select="wmv3_decoder"
0e714f88 1602zerocodec_decoder_select="zlib"
2eef7c62
AJ
1603zlib_decoder_select="zlib"
1604zlib_encoder_select="zlib"
1605zmbv_decoder_select="zlib"
1606zmbv_encoder_select="zlib"
30fd06be 1607
ed40b6bf 1608# hardware accelerators
0afab17e 1609vaapi_deps="va_va_h"
ac3dbb4d 1610vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
9840130e 1611vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
c89c96e9
MR
1612vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1613
ed40b6bf 1614h263_vaapi_hwaccel_select="vaapi h263_decoder"
200e8ac9 1615h263_vdpau_hwaccel_select="vdpau h263_decoder"
ed40b6bf
DB
1616h264_dxva2_hwaccel_deps="dxva2api_h"
1617h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1618h264_vaapi_hwaccel_select="vaapi h264_decoder"
1619h264_vda_hwaccel_select="vda h264_decoder"
1620h264_vdpau_decoder_select="vdpau h264_decoder"
51b56a07 1621h264_vdpau_hwaccel_select="vdpau h264_decoder"
ed40b6bf
DB
1622mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1623mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
aaf9d0e8 1624mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
ed40b6bf
DB
1625mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1626mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1627mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
aaf9d0e8 1628mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
ed40b6bf
DB
1629mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1630mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
200e8ac9 1631mpeg4_vdpau_hwaccel_select="vdpau mpeg4_decoder"
ed40b6bf
DB
1632vc1_dxva2_hwaccel_deps="dxva2api_h"
1633vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1634vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1635vc1_vdpau_decoder_select="vdpau vc1_decoder"
77525327 1636vc1_vdpau_hwaccel_select="vdpau vc1_decoder"
ed40b6bf
DB
1637wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1638wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1639wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
77525327 1640wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1641
28b80940 1642# parsers
79dad2a9 1643h264_parser_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
c292f6a2
DB
1644mpeg4video_parser_select="error_resilience mpegvideo"
1645mpegvideo_parser_select="error_resilience mpegvideo"
1646vc1_parser_select="error_resilience mpegvideo"
28b80940 1647
912f3148 1648# external libraries
c9171a83 1649libfaac_encoder_deps="libfaac"
aa11cb79 1650libfaac_encoder_select="audio_frame_queue"
37eeb5e2 1651libfdk_aac_encoder_deps="libfdk_aac"
aa11cb79 1652libfdk_aac_encoder_select="audio_frame_queue"
299c77d5
MR
1653libgsm_decoder_deps="libgsm"
1654libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1655libgsm_ms_decoder_deps="libgsm"
1656libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1657libilbc_decoder_deps="libilbc"
1658libilbc_encoder_deps="libilbc"
1cc60c47 1659libmp3lame_encoder_deps="libmp3lame"
aa11cb79 1660libmp3lame_encoder_select="audio_frame_queue"
0b175caa
DB
1661libopencore_amrnb_decoder_deps="libopencore_amrnb"
1662libopencore_amrnb_encoder_deps="libopencore_amrnb"
aa11cb79 1663libopencore_amrnb_encoder_select="audio_frame_queue"
0b175caa 1664libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1665libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1666libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1667libopus_decoder_deps="libopus"
6cb8c854 1668libopus_encoder_deps="libopus"
aa11cb79 1669libopus_encoder_select="audio_frame_queue"
f7cd9eed
AS
1670libschroedinger_decoder_deps="libschroedinger"
1671libschroedinger_encoder_deps="libschroedinger"
ae14f311 1672libspeex_decoder_deps="libspeex"
b606a017 1673libspeex_encoder_deps="libspeex"
aa11cb79 1674libspeex_encoder_select="audio_frame_queue"
150d2772 1675libtheora_encoder_deps="libtheora"
d89e738a 1676libvo_aacenc_encoder_deps="libvo_aacenc"
aa11cb79 1677libvo_aacenc_encoder_select="audio_frame_queue"
f502ff3f 1678libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1679libvorbis_encoder_deps="libvorbis"
aa11cb79 1680libvorbis_encoder_select="audio_frame_queue"
3f111804
LB
1681libvpx_vp8_decoder_deps="libvpx"
1682libvpx_vp8_encoder_deps="libvpx"
1683libvpx_vp9_decoder_deps="libvpx"
1684libvpx_vp9_encoder_deps="libvpx"
1cc60c47 1685libx264_encoder_deps="libx264"
de295976 1686libxavs_encoder_deps="libxavs"
1cc60c47 1687libxvid_encoder_deps="libxvid"
30fd06be 1688
912f3148 1689# demuxers / muxers
c2dd0e9e 1690ac3_demuxer_select="ac3_parser"
647c2356 1691asf_stream_muxer_select="asf_muxer"
4e622dea 1692avisynth_demuxer_deps="avisynth"
c2dd0e9e 1693dirac_demuxer_select="dirac_parser"
5b423887 1694eac3_demuxer_select="ac3_parser"
c2dd0e9e 1695flac_demuxer_select="flac_parser"
647c2356 1696ipod_muxer_select="mov_muxer"
31f16dc1 1697ismv_muxer_select="mov_muxer"
647c2356 1698matroska_audio_muxer_select="matroska_muxer"
2a91ada8 1699matroska_demuxer_suggest="bzlib lzo zlib"
4e622dea 1700mov_demuxer_suggest="zlib"
5ad2f0bf 1701mov_muxer_select="rtpenc_chain"
c2dd0e9e 1702mp3_demuxer_select="mpegaudio_parser"
647c2356 1703mp4_muxer_select="mov_muxer"
18bbca1f 1704mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
647c2356
DB
1705mpegtsraw_demuxer_select="mpegts_demuxer"
1706mxf_d10_muxer_select="mxf_muxer"
24ca518b 1707ogg_demuxer_select="golomb"
647c2356 1708psp_muxer_select="mov_muxer"
44594cc7 1709rtp_demuxer_select="sdp_demuxer"
18bbca1f 1710rtp_muxer_select="mpegvideo"
44b70ce5
MS
1711rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1712rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 1713rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 1714sap_demuxer_select="sdp_demuxer"
5ad2f0bf 1715sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 1716sdp_demuxer_select="rtpdec"
e772f9fa 1717smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1718spdif_muxer_select="aac_parser"
57231e4d 1719tak_demuxer_select="tak_parser"
647c2356
DB
1720tg2_muxer_select="mov_muxer"
1721tgp_muxer_select="mov_muxer"
6bdaa5f4 1722w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1723
1724# indevs / outdevs
38e54a75 1725alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1726alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1727bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1728dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1729fbdev_indev_deps="linux_fb_h"
38e54a75 1730jack_indev_deps="jack_jack_h"
e417d80d 1731libcdio_indev_deps="libcdio"
38e54a75 1732libdc1394_indev_deps="libdc1394"
38e54a75
SS
1733oss_indev_deps_any="soundcard_h sys_soundcard_h"
1734oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1735pulse_indev_deps="libpulse"
15d59d2c
B
1736sndio_indev_deps="sndio_h"
1737sndio_outdev_deps="sndio_h"
38e54a75 1738v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1739vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1740vfwcap_indev_extralibs="-lavicap32"
24f8961f 1741x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1742
912f3148 1743# protocols
acd554c1
SP
1744ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1745ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1746ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1747ffrtmphttp_protocol_deps="!librtmp_protocol"
1748ffrtmphttp_protocol_select="http_protocol"
998c1ee1 1749gopher_protocol_select="network"
c40e1757 1750httpproxy_protocol_select="tcp_protocol"
279a0c97 1751http_protocol_select="tcp_protocol"
183baead 1752https_protocol_select="tls_protocol"
c3b57d6e
DB
1753librtmp_protocol_deps="librtmp"
1754librtmpe_protocol_deps="librtmp"
1755librtmps_protocol_deps="librtmp"
1756librtmpt_protocol_deps="librtmp"
1757librtmpte_protocol_deps="librtmp"
c60a2d70 1758mmsh_protocol_select="http_protocol"
998c1ee1 1759mmst_protocol_select="network"
c3b57d6e 1760rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1761rtmp_protocol_select="tcp_protocol"
acd554c1 1762rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1763rtmps_protocol_deps="!librtmp_protocol"
1764rtmps_protocol_select="tls_protocol"
775c4d36 1765rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1766rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1767rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1768rtp_protocol_select="udp_protocol"
998c1ee1
DB
1769sctp_protocol_deps="struct_sctp_event_subscribe"
1770sctp_protocol_select="network"
0eecafc9 1771srtp_protocol_select="rtp_protocol"
998c1ee1 1772tcp_protocol_select="network"
558d192d
MS
1773tls_protocol_deps_any="openssl gnutls"
1774tls_protocol_select="tcp_protocol"
998c1ee1 1775udp_protocol_select="network"
c08fb000 1776
6ebf0bfc 1777# filters
13fabd7a 1778blackframe_filter_deps="gpl"
ce6b6ef6 1779boxblur_filter_deps="gpl"
68b79bfc 1780cropdetect_filter_deps="gpl"
b157be1f 1781delogo_filter_deps="gpl"
a5b64584 1782drawtext_filter_deps="libfreetype"
2e5ff4d0 1783frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1784frei0r_filter_extralibs='$ldl'
a42bb9d6 1785frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1786frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1787hqdn3d_filter_deps="gpl"
d371e7b9 1788resample_filter_deps="avresample"
cf69ad35 1789ocv_filter_deps="libopencv"
2f296e39 1790scale_filter_deps="swscale"
acbac567 1791yadif_filter_deps="gpl"
6ebf0bfc 1792
5a0f7131 1793# libraries
d89f2fa9
DB
1794avcodec_deps="avutil"
1795avdevice_deps="avutil avcodec avformat"
1796avfilter_deps="avutil"
1797avformat_deps="avutil avcodec"
1798avresample_deps="avutil"
1799swscale_deps="avutil"
f7679c54 1800
912f3148 1801# programs
54fd593a 1802avconv_deps="avcodec avfilter avformat avresample swscale"
0a0e340f
DB
1803avconv_select="aformat_filter anull_filter asyncts_filter format_filter
1804 fps_filter null_filter resample_filter scale_filter
1805 setpts_filter"
d173ede1 1806avplay_deps="avcodec avformat avresample swscale sdl"
266463da 1807avplay_select="rdft"
9e12f0bf 1808avprobe_deps="avcodec avformat"
b263bf66 1809avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1810avserver_extralibs='$ldl'
a2830dca 1811
c73f65d9 1812doc_deps="texi2html"
912f3148 1813
de6d9b64 1814# default parameters
8a608357 1815
19bd477d 1816logfile="config.log"
8a608357
MR
1817
1818# installation paths
c9d19248
MR
1819prefix_default="/usr/local"
1820bindir_default='${prefix}/bin'
6291d7e4 1821datadir_default='${prefix}/share/avconv'
c9d19248
MR
1822incdir_default='${prefix}/include'
1823libdir_default='${prefix}/lib'
1824mandir_default='${prefix}/share/man'
1825shlibdir_default="$libdir_default"
8a608357
MR
1826
1827# toolchain
121d78d0 1828ar_default="ar"
13c7df3d 1829cc_default="gcc"
9da6609f 1830host_cc_default="gcc"
4ebc6a74 1831cp_f="cp -f"
11e6d03a 1832ln_s="ln -sf"
2a8a860a 1833nm_default="nm -g"
11e6d03a 1834objformat="elf"
3f8040db 1835pkg_config_default=pkg-config
be7109c1 1836ranlib="ranlib"
11e6d03a 1837yasmexe="yasm"
8a608357 1838
3e0b1c9a 1839nogas=":"
8182dc34 1840
8a608357 1841# machine
8d4c00ed 1842arch_default=$(uname -m)
38d0a8aa 1843cpu="generic"
8a608357 1844
8a608357 1845# OS
8d4c00ed
MR
1846target_os_default=$(tolower $(uname -s))
1847host_os=$target_os_default
8a608357 1848
8a608357 1849# configurable options
d89f2fa9 1850enable $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 1851
3e0b1c9a
DB
1852enable asm
1853enable debug
1854enable doc
8400d6b8 1855enable optimizations
8cfbbd92 1856enable safe_bitstream_reader
530dc538 1857enable static
a9ddb5b1 1858enable swscale_alpha
8a608357 1859
8a608357 1860# build settings
9987769a 1861SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1862AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1863LIBPREF="lib"
1864LIBSUF=".a"
c5f14466
RP
1865FULLNAME='$(NAME)$(BUILDSUF)'
1866LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1867SLIBPREF="lib"
1868SLIBSUF=".so"
c5f14466 1869SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1870SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1871SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1872LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1873SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1874SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1875
68485d1f
MR
1876asflags_filter=echo
1877cflags_filter=echo
64933b6c
MR
1878ldflags_filter=echo
1879
23565c26 1880AS_C='-c'
bc877faf 1881AS_O='-o $@'
23565c26 1882CC_C='-c'
18031c49 1883CC_E='-E -o $@'
7e6c86e6 1884CC_O='-o $@'
a758c5e2 1885LD_O='-o $@'
8db73c61
MR
1886LD_LIB='-l%'
1887LD_PATH='-L'
23565c26 1888HOSTCC_C='-c'
a758c5e2 1889HOSTCC_O='-o $@'
095792f2 1890HOSTLD_O='-o $@'
7e6c86e6 1891
1d01fee9 1892host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
9da6609f 1893host_libs='-lm'
6c3fa06a
MR
1894host_cflags_filter=echo
1895host_ldflags_filter=echo
9da6609f 1896
9b861379 1897target_path='$(CURDIR)'
a7ada2ba 1898
a158446b
MR
1899# since the object filename is not given with the -MM flag, the compiler
1900# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
1901DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1902DEPFLAGS='-MM'
315c741d 1903
c597172e 1904# find source path
24524f36 1905if test -f configure; then
f038cf3c 1906 source_path=.
c597172e 1907else
8477f2de 1908 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1909 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1910 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1911 test -e "$source_path/config.h" &&
1912 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1913fi
1914
13cbe2c0 1915for v in "$@"; do
b04251c5
MR
1916 r=${v#*=}
1917 l=${v%"$r"}
1918 r=$(sh_quote "$r")
29ba0911 1919 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1920done
c597172e 1921
73ef8980
MR
1922find_things(){
1923 thing=$1
1924 pattern=$2
1925 file=$source_path/$3
932ccf39 1926 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1927}
1928
1929ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1930DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1931HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1932PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1933BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1934MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1935DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1936OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1937INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1938PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1939FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1940
54e75be4
DB
1941ALL_COMPONENTS="
1942 $BSF_LIST
1943 $DECODER_LIST
1944 $DEMUXER_LIST
1945 $ENCODER_LIST
1946 $FILTER_LIST
1947 $HWACCEL_LIST
1948 $INDEV_LIST
1949 $MUXER_LIST
1950 $OUTDEV_LIST
1951 $PARSER_LIST
1952 $PROTOCOL_LIST
1953"
1954
8469ae22
MR
1955for n in $COMPONENT_LIST; do
1956 v=$(toupper ${n%s})_LIST
1957 eval enable \$$v
1958 eval ${n}_if_any="\$$v"
1959done
1960
206a070d 1961enable $ARCH_EXT_LIST
c597172e
MR
1962
1963die_unknown(){
1964 echo "Unknown option \"$1\"."
1965 echo "See $0 --help for available options."
1966 exit 1
1967}
1968
7432e872
DB
1969print_3_columns() {
1970 cat | tr ' ' '\n' | sort | pr -r -3 -t
1971}
1972
794f8e97 1973show_list() {
bf0c4afa
RP
1974 suffix=_$1
1975 shift
7432e872 1976 echo $* | sed s/$suffix//g | print_3_columns
794f8e97
PI
1977 exit 0
1978}
1979
154caa67
MR
1980rand_list(){
1981 IFS=', '
1982 set -- $*
1983 unset IFS
1984 for thing; do
1985 comp=${thing%:*}
1986 prob=${thing#$comp}
1987 prob=${prob#:}
1988 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1989 echo "prob ${prob:-0.5}"
1990 printf '%s\n' $comp
1991 done
1992}
1993
1994do_random(){
1995 action=$1
1996 shift
1997 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1998 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1999}
2000
c597172e 2001for opt do
7483e694
DB
2002 optval="${opt#*=}"
2003 case "$opt" in
ea061af1
DB
2004 --extra-ldflags=*)
2005 add_ldflags $optval
7e9e7cc2 2006 ;;
ea061af1
DB
2007 --extra-libs=*)
2008 add_extralibs $optval
7e9e7cc2 2009 ;;
ea061af1
DB
2010 --disable-devices)
2011 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 2012 ;;
ea061af1
DB
2013 --enable-debug=*)
2014 debuglevel="$optval"
7e9e7cc2
MR
2015 ;;
2016 --disable-programs)
2017 disable $PROGRAM_LIST
2018 ;;
2019 --disable-everything)
2020 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2021 ;;
844c6852
DB
2022 --disable-all)
2023 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2024 disable $LIBRARY_LIST $PROGRAM_LIST doc
2025 ;;
7e9e7cc2
MR
2026 --enable-random|--disable-random)
2027 action=${opt%%-random}
2028 do_random ${action#--} $COMPONENT_LIST
2029 ;;
2030 --enable-random=*|--disable-random=*)
2031 action=${opt%%-random=*}
2032 do_random ${action#--} $optval
2033 ;;
2034 --enable-*=*|--disable-*=*)
2035 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2036 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2037 eval list=\$$(toupper $thing)_LIST
2038 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2039 $action $(filter "$name" $list)
2040 ;;
2041 --enable-?*|--disable-?*)
2042 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2043 if is_in $option $COMPONENT_LIST; then
2044 test $action = disable && action=unset
2045 eval $action \$$(toupper ${option%s})_LIST
2046 elif is_in $option $CMDLINE_SELECT; then
2047 $action $option
2048 else
2049 die_unknown $opt
2050 fi
2051 ;;
2052 --list-*)
2053 NAME="${opt#--list-}"
2054 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2055 NAME=${NAME%s}
2056 eval show_list $NAME \$$(toupper $NAME)_LIST
2057 ;;
2058 --help|-h) show_help
2059 ;;
2060 *)
2061 optname="${opt%%=*}"
2062 optname="${optname#--}"
2063 optname=$(echo "$optname" | sed 's/-/_/g')
2064 if is_in $optname $CMDLINE_SET; then
2065 eval $optname='$optval'
2066 elif is_in $optname $CMDLINE_APPEND; then
2067 append $optname "$optval"
2068 else
2069 die_unknown $opt
2070 fi
2071 ;;
7483e694 2072 esac
c597172e
MR
2073done
2074
bcea99bb
MR
2075disabled logging && logfile=/dev/null
2076
29ba0911 2077echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2078set >> $logfile
2079
9da6609f
MR
2080test -n "$cross_prefix" && enable cross_compile
2081
8d4c00ed
MR
2082if enabled cross_compile; then
2083 test -n "$arch" && test -n "$target_os" ||
2084 die "Must specify target arch and OS when cross-compiling"
2085fi
2086
121d78d0 2087ar_default="${cross_prefix}${ar_default}"
11e6d03a 2088cc_default="${cross_prefix}${cc_default}"
20e0ed95 2089nm_default="${cross_prefix}${nm_default}"
3f8040db 2090pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2091ranlib="${cross_prefix}${ranlib}"
adb2b908 2092
c5200f17
MR
2093sysinclude_default="${sysroot}/usr/include"
2094
aeeb782c 2095case "$toolchain" in
0fbb62a8
LB
2096 clang-asan)
2097 cc_default="clang"
2098 add_cflags -faddress-sanitizer
2099 add_ldflags -faddress-sanitizer
2100 ;;
2101 clang-tsan)
2102 cc_default="clang"
2103 add_cflags -fthread-sanitizer
2104 add_ldflags -fthread-sanitizer
2105 ;;
aeeb782c
MR
2106 msvc)
2107 cc_default="c99wrap cl"
2108 ld_default="c99wrap link"
2109 nm_default="dumpbin -symbols"
ac3a9b51 2110 ar_default="lib"
53e8cd68 2111 target_os_default="win32"
aeeb782c
MR
2112 ;;
2113 ?*)
2114 die "Unknown toolchain $toolchain"
2115 ;;
2116esac
2117
53e8cd68 2118set_default arch cc pkg_config sysinclude target_os
9da6609f
MR
2119enabled cross_compile || host_cc_default=$cc
2120set_default host_cc
13c7df3d 2121
762f95e4
MR
2122if ! $pkg_config --version >/dev/null 2>&1; then
2123 warn "$pkg_config not found, library detection may fail."
2124 pkg_config=false
2125fi
2126
82bb3329
MR
2127exesuf() {
2128 case $1 in
53e8cd68 2129 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2130 esac
2131}
2132
2133EXESUF=$(exesuf $target_os)
2134HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2135
e4e69e0b 2136# set temporary file name
a49d42c2 2137: ${TMPDIR:=$TEMPDIR}
c51fafa1 2138: ${TMPDIR:=$TMP}
a49d42c2 2139: ${TMPDIR:=/tmp}
e4e69e0b 2140
a210bce2 2141if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2142 # simple replacement for missing mktemp
2143 # NOT SAFE FOR GENERAL USE
2144 mktemp(){
09a5c245 2145 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2146 }
2147fi
2148
2149tmpfile(){
2150 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2151 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2152 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2153 append TMPFILES $tmp
2154 eval $1=$tmp
2155}
2156
2157trap 'rm -f -- $TMPFILES' EXIT
54460a83 2158
55127e7b 2159tmpfile TMPASM .asm
3e0b1c9a
DB
2160tmpfile TMPC .c
2161tmpfile TMPE $EXESUF
2162tmpfile TMPH .h
2163tmpfile TMPO .o
2164tmpfile TMPS .S
2165tmpfile TMPSH .sh
2166tmpfile TMPV .ver
54460a83
MR
2167
2168unset -f mktemp
e4e69e0b 2169
fb3c4ffc
MR
2170chmod +x $TMPE
2171
993f2d0f
MR
2172# make sure we can execute files in $TMPDIR
2173cat > $TMPSH 2>> $logfile <<EOF
2174#! /bin/sh
2175EOF
2176chmod +x $TMPSH >> $logfile 2>&1
2177if ! $TMPSH >> $logfile 2>&1; then
2178 cat <<EOF
2179Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2180variable to another directory and make sure that it is not mounted noexec.
2181EOF
2182 die "Sanity test failed."
2183fi
993f2d0f 2184
457cc333
MR
2185ccc_flags(){
2186 for flag; do
2187 case $flag in
2188 -std=c99) echo -c99 ;;
2189 -mcpu=*) echo -arch ${flag#*=} ;;
2190 -mieee) echo -ieee ;;
2191 -O*|-fast) echo $flag ;;
2192 -fno-math-errno) echo -assume nomath_errno ;;
2193 -g) echo -g3 ;;
2194 -Wall) echo -msg_enable level2 ;;
2195 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2196 -Wl,*) echo $flag ;;
2197 -f*|-W*) ;;
2198 *) echo $flag ;;
2199 esac
2200 done
2201}
2202
dfa559bc
RB
2203msvc_flags(){
2204 for flag; do
2205 case $flag in
2206 -fomit-frame-pointer) echo -Oy ;;
2207 -g) echo -Z7 ;;
2208 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2209 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4a185ed2 2210 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
d66c52c2 2211 -wd4996 -wd4273 ;;
dfa559bc
RB
2212 -std=c99) ;;
2213 -fno-math-errno) ;;
2214 -fno-common) ;;
2215 -fno-signed-zeros) ;;
50640977 2216 -fPIC) ;;
dfa559bc 2217 -lz) echo zlib.lib ;;
bd680c7b
DB
2218 -lavifil32) echo vfw32.lib ;;
2219 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2220 -l*) echo ${flag#-l}.lib ;;
2221 *) echo $flag ;;
2222 esac
2223 done
2224}
2225
d0c6d424
MR
2226pgi_flags(){
2227 for flag; do
2228 case $flag in
643933f5 2229 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2230 -fomit-frame-pointer) echo -Mnoframe ;;
2231 -g) echo -gopt ;;
2232 *) echo $flag ;;
2233 esac
2234 done
2235}
2236
2237suncc_flags(){
2238 for flag; do
2239 case $flag in
2240 -march=*|-mcpu=*)
2241 case "${flag#*=}" in
2242 native) echo -xtarget=native ;;
2243 v9|niagara) echo -xarch=sparc ;;
2244 ultrasparc) echo -xarch=sparcvis ;;
2245 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2246 i586|pentium) echo -xchip=pentium ;;
2247 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2248 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2249 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2250 pentium4*) echo -xtarget=pentium4 ;;
2251 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2252 *-sse3) echo -xarch=sse3 ;;
2253 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2254 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2255 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2256 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
d0c6d424
MR
2257 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2258 k8|opteron|athlon64|athlon-fx)
2259 echo -xarch=sse2a ;;
2260 athlon*) echo -xarch=pentium_proa ;;
2261 esac
2262 ;;
2263 -std=c99) echo -xc99 ;;
2264 -fomit-frame-pointer) echo -xregs=frameptr ;;
2265 -fPIC) echo -KPIC -xcode=pic32 ;;
2266 -W*,*) echo $flag ;;
5e753ed5
SM
2267 -f*-*|-W*|-mimpure-text) ;;
2268 -shared) echo -G ;;
d0c6d424
MR
2269 *) echo $flag ;;
2270 esac
2271 done
2272}
2273
2274tms470_flags(){
2275 for flag; do
2276 case $flag in
2277 -march=*|-mcpu=*)
2278 case "${flag#*=}" in
2279 armv7-a|cortex-a*) echo -mv=7a8 ;;
2280 armv7-r|cortex-r*) echo -mv=7r4 ;;
2281 armv7-m|cortex-m*) echo -mv=7m3 ;;
2282 armv6*|arm11*) echo -mv=6 ;;
2283 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2284 echo -mv=5e ;;
2285 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2286 esac
2287 ;;
2288 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2289 -mfpu=vfp) echo --float_support=vfpv2 ;;
2290 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2291 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2292 -msoft-float) echo --float_support=vfplib ;;
2293 -O[0-3]|-mf=*) echo $flag ;;
2294 -g) echo -g -mn ;;
2295 -pds=*) echo $flag ;;
ad93dccb
MR
2296 -D*|-I*) echo $flag ;;
2297 --gcc|--abi=*) echo $flag ;;
2298 -me) echo $flag ;;
d0c6d424
MR
2299 esac
2300 done
2301}
2302
a758c5e2
MR
2303probe_cc(){
2304 pfx=$1
2305 _cc=$2
2306
8db73c61
MR
2307 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2308 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2309 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2310 _flags_filter=echo
2311
2312 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2313 _type=llvm_gcc
2314 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2315 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2316 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2317 _cflags_speed='-O3'
2318 _cflags_size='-Os'
2319 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2320 _type=gcc
2321 gcc_version=$($_cc --version | head -n1)
2322 gcc_basever=$($_cc -dumpversion)
2323 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2324 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2325 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2326 if ! $_cc -dumpversion | grep -q '^2\.'; then
2327 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2328 fi
2329 _cflags_speed='-O3'
2330 _cflags_size='-Os'
2331 elif $_cc --version 2>/dev/null | grep -q Intel; then
2332 _type=icc
2333 _ident=$($_cc --version | head -n1)
2334 _depflags='-MMD'
2335 _cflags_speed='-O3'
2336 _cflags_size='-Os'
2337 _cflags_noopt='-O1'
2338 elif $_cc -v 2>&1 | grep -q xlc; then
2339 _type=xlc
2340 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2341 _cflags_speed='-O5'
2342 _cflags_size='-O5 -qcompact'
2343 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2344 _type=ccc
2345 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2346 _DEPFLAGS='-M'
a758c5e2
MR
2347 _cflags_speed='-fast'
2348 _cflags_size='-O1'
457cc333 2349 _flags_filter=ccc_flags
a758c5e2
MR
2350 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2351 test -d "$sysroot" || die "No valid sysroot specified."
2352 _type=armcc
2353 _ident=$($_cc --vsn | head -n1)
2354 armcc_conf="$PWD/armcc.conf"
2355 $_cc --arm_linux_configure \
2356 --arm_linux_config_file="$armcc_conf" \
2357 --configure_sysroot="$sysroot" \
2358 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2359 die "Error creating armcc configuration file."
2360 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2361 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2362 as_default="${cross_prefix}gcc"
2363 _depflags='-MMD'
2364 _cflags_speed='-O3'
2365 _cflags_size='-Os'
0122118e 2366 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2367 _type=tms470
2368 _ident=$($_cc -version | head -n1 | tr -s ' ')
2369 _flags='--gcc --abi=eabi -me'
18031c49 2370 _cc_e='-ppl -fe=$@'
a758c5e2 2371 _cc_o='-fe=$@'
a758c5e2
MR
2372 _depflags='-ppa -ppd=$(@:.o=.d)'
2373 _cflags_speed='-O3 -mf=5'
2374 _cflags_size='-O3 -mf=2'
2375 _flags_filter=tms470_flags
2376 elif $_cc -v 2>&1 | grep -q clang; then
2377 _type=clang
2378 _ident=$($_cc --version | head -n1)
2379 _depflags='-MMD'
2380 _cflags_speed='-O3'
2381 _cflags_size='-Os'
2382 elif $_cc -V 2>&1 | grep -q Sun; then
2383 _type=suncc
2384 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2385 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2386 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2387 _ldflags='-std=c99'
2388 _cflags_speed='-O5'
2389 _cflags_size='-O5 -xspace'
2390 _flags_filter=suncc_flags
2391 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2392 _type=pathscale
2393 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2394 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2395 _cflags_speed='-O2'
2396 _cflags_size='-Os'
2397 _flags_filter='filter_out -Wdisabled-optimization'
2398 elif $_cc -v 2>&1 | grep -q Open64; then
2399 _type=open64
2400 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2401 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2402 _cflags_speed='-O2'
2403 _cflags_size='-Os'
2404 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2405 elif $_cc -V 2>&1 | grep -q Portland; then
2406 _type=pgi
2407 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2408 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2409 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2410 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2411 _cflags_noopt="-O1"
2412 _flags_filter=pgi_flags
dfa559bc
RB
2413 elif $_cc 2>&1 | grep -q Microsoft; then
2414 _type=msvc
2415 _ident=$($cc 2>&1 | head -n1)
2416 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2417 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2418 _cflags_speed="-O2"
2419 _cflags_size="-O1"
2420 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2421 if $_cc 2>&1 | grep -q Linker; then
2422 _ld_o='-out $@'
2423 else
2424 _ld_o='-Fe$@'
2425 fi
2426 _cc_o='-Fo $@'
a224b2cb 2427 _cc_e='-P -Fi $@'
dfa559bc
RB
2428 _flags_filter=msvc_flags
2429 _ld_lib='lib%.a'
2430 _ld_path='-libpath:'
2431 _flags='-nologo'
2432 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2433 if [ $pfx = hostcc ]; then
6a0200f2 2434 append _cflags -Dsnprintf=_snprintf
dfa559bc 2435 fi
aef6bd1b 2436 fi
a758c5e2
MR
2437
2438 eval ${pfx}_type=\$_type
2439 eval ${pfx}_ident=\$_ident
2440}
2441
2442set_ccvars(){
23565c26 2443 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2444 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2445 eval ${1}_O=\${_cc_o-\${${1}_O}}
2446
2447 if [ -n "$_depflags" ]; then
2448 eval ${1}_DEPFLAGS=\$_depflags
2449 else
2450 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2451 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2452 eval DEP${1}FLAGS=\$_flags
2453 fi
2454}
2455
2456probe_cc cc "$cc"
2457cflags_filter=$_flags_filter
2458cflags_speed=$_cflags_speed
2459cflags_size=$_cflags_size
2460cflags_noopt=$_cflags_noopt
2461add_cflags $_flags $_cflags
2462cc_ldflags=$_ldflags
2463set_ccvars CC
2464
2465probe_cc hostcc "$host_cc"
2466host_cflags_filter=$_flags_filter
a758c5e2 2467add_host_cflags $_flags $_cflags
a758c5e2 2468set_ccvars HOSTCC
629687f6 2469
851ffa80
MR
2470test -n "$cc_type" && enable $cc_type ||
2471 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2472
75bafbac 2473: ${as_default:=$cc}
50567afa 2474: ${dep_cc_default:=$cc}
684b28e0 2475: ${ld_default:=$cc}
095792f2
MR
2476: ${host_ld_default:=$host_cc}
2477set_default ar as dep_cc ld host_ld
75800dce 2478
a758c5e2
MR
2479probe_cc as "$as"
2480asflags_filter=$_flags_filter
2481add_asflags $_flags $_cflags
2482set_ccvars AS
2483
2484probe_cc ld "$ld"
2485ldflags_filter=$_flags_filter
2486add_ldflags $_flags $_ldflags
2487test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2488LD_O=${_ld_o-$LD_O}
8db73c61
MR
2489LD_LIB=${_ld_lib-$LD_LIB}
2490LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2491
095792f2
MR
2492probe_cc hostld "$host_ld"
2493host_ldflags_filter=$_flags_filter
2494add_host_ldflags $_flags $_ldflags
2495HOSTLD_O=${_ld_o-$HOSTLD_O}
2496
a758c5e2
MR
2497if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2498 probe_cc depcc "$dep_cc"
2499 CCDEP=${_DEPCMD:-$DEPCMD}
2500 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2501 DEPCCFLAGS=$_flags
2502fi
07dec06e 2503
3dbc777c
MR
2504if $ar 2>&1 | grep -q Microsoft; then
2505 arflags="-nologo"
2506 ar_o='-out:$@'
2507elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2508 arflags="rq"
2509 ar_o='$@'
2510else
2511 arflags="rc"
2512 ar_o='$@'
2513fi
2514
7f32f40c 2515add_cflags $extra_cflags
2f2e6c7c 2516add_asflags $extra_cflags
7f32f40c 2517
154d432c
MR
2518if test -n "$sysroot"; then
2519 case "$cc_type" in
00ba041c 2520 gcc|llvm_gcc|clang)
467256f2 2521 add_cppflags --sysroot="$sysroot"
154d432c
MR
2522 add_ldflags --sysroot="$sysroot"
2523 ;;
6fec122a
MR
2524 tms470)
2525 add_cppflags -I"$sysinclude"
2526 add_ldflags --sysroot="$sysroot"
2527 ;;
154d432c
MR
2528 esac
2529fi
2530
d22c13a8
MR
2531if test "$cpu" = host; then
2532 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2533
2534 case "$cc_type" in
613a4e3f 2535 gcc|llvm_gcc)
d22c13a8
MR
2536 check_native(){
2537 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2538 sed -n "/cc1.*$1=/{
27ce1be8
MR
2539 s/.*$1=\\([^ ]*\\).*/\\1/
2540 p
2541 q
2542 }" $TMPE
d22c13a8
MR
2543 }
2544 cpu=$(check_native -march || check_native -mcpu)
2545 ;;
2546 esac
2547
2548 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2549fi
2550
e939cedd
MR
2551# Deal with common $arch aliases
2552case "$arch" in
5873b623
MR
2553 aarch64|arm64)
2554 arch="aarch64"
2555 ;;
e939cedd
MR
2556 arm*)
2557 arch="arm"
2558 ;;
2acda282 2559 mips*|IP*)
e939cedd
MR
2560 arch="mips"
2561 ;;
a6e9d649 2562 parisc*|hppa*)
e939cedd
MR
2563 arch="parisc"
2564 ;;
56203596 2565 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2566 arch="ppc"
2567 ;;
e939cedd
MR
2568 s390|s390x)
2569 arch="s390"
2570 ;;
2571 sh4|sh)
2572 arch="sh4"
2573 ;;
4cd217c0 2574 sun4u|sparc*)
e939cedd 2575 arch="sparc"
e939cedd 2576 ;;
c75848cd
DB
2577 tilegx|tile-gx)
2578 arch="tilegx"
2579 ;;
d33ed7b3 2580 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2581 arch="x86"
2582 ;;
2583esac
2584
851ffa80 2585is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2586enable $arch
e939cedd 2587
df5cdc24 2588# Add processor-specific flags
9ebd45c2 2589if enabled aarch64; then
33db40f8
MR
2590
2591 case $cpu in
2592 armv*)
2593 cpuflags="-march=$cpu"
2594 ;;
2595 *)
2596 cpuflags="-mcpu=$cpu"
2597 ;;
2598 esac
2599
2600elif enabled alpha; then
2601
2602 cpuflags="-mcpu=$cpu"
2603
2604elif enabled arm; then
2605
1234c66a
MR
2606 check_arm_arch() {
2607 check_cpp_condition stddef.h \
2608 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2609 $cpuflags
2610 }
2611
2612 probe_arm_arch() {
2613 if check_arm_arch 4; then echo armv4;
2614 elif check_arm_arch 4T; then echo armv4t;
2615 elif check_arm_arch 5; then echo armv5;
2616 elif check_arm_arch 5E; then echo armv5e;
2617 elif check_arm_arch 5T; then echo armv5t;
2618 elif check_arm_arch 5TE; then echo armv5te;
2619 elif check_arm_arch 5TEJ; then echo armv5te;
2620 elif check_arm_arch 6; then echo armv6;
2621 elif check_arm_arch 6J; then echo armv6j;
2622 elif check_arm_arch 6K; then echo armv6k;
2623 elif check_arm_arch 6Z; then echo armv6z;
2624 elif check_arm_arch 6ZK; then echo armv6zk;
2625 elif check_arm_arch 6T2; then echo armv6t2;
2626 elif check_arm_arch 7; then echo armv7;
2627 elif check_arm_arch 7A 7_A; then echo armv7-a;
2628 elif check_arm_arch 7R 7_R; then echo armv7-r;
2629 elif check_arm_arch 7M 7_M; then echo armv7-m;
2630 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2631 elif check_arm_arch 8A 8_A; then echo armv8-a;
2632 fi
2633 }
2634
2635 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2636
33db40f8
MR
2637 case $cpu in
2638 armv*)
2639 cpuflags="-march=$cpu"
2640 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2641 ;;
2642 *)
2643 cpuflags="-mcpu=$cpu"
2644 case $cpu in
2645 cortex-a*) subarch=armv7a ;;
2646 cortex-r*) subarch=armv7r ;;
2647 cortex-m*) enable thumb; subarch=armv7m ;;
2648 arm11*) subarch=armv6 ;;
2649 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2650 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 2651 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
2652 esac
2653 ;;
2654 esac
2655
f0fe245b
MR
2656 case "$subarch" in
2657 armv5t*) enable fast_clz ;;
2658 armv[6-8]*) enable fast_clz fast_unaligned ;;
2659 esac
2660
33db40f8
MR
2661elif enabled avr32; then
2662
2663 case $cpu in
2664 ap7[02]0[0-2])
2665 subarch="avr32_ap"
2666 cpuflags="-mpart=$cpu"
2667 ;;
2668 ap)
2669 subarch="avr32_ap"
2670 cpuflags="-march=$cpu"
2671 ;;
2672 uc3[ab]*)
2673 subarch="avr32_uc"
2674 cpuflags="-mcpu=$cpu"
2675 ;;
2676 uc)
2677 subarch="avr32_uc"
2678 cpuflags="-march=$cpu"
2679 ;;
2680 esac
2681
2682elif enabled bfin; then
2683
2684 cpuflags="-mcpu=$cpu"
2685
2686elif enabled mips; then
2687
2688 cpuflags="-march=$cpu"
2689
5d54c126 2690elif enabled ppc; then
343aef9b 2691
56348891
MR
2692 case $(tolower $cpu) in
2693 601|ppc601|powerpc601)
9dbd5c3d 2694 cpuflags="-mcpu=601"
64ad53ff 2695 disable altivec
9dbd5c3d 2696 ;;
56348891 2697 603*|ppc603*|powerpc603*)
9dbd5c3d 2698 cpuflags="-mcpu=603"
64ad53ff 2699 disable altivec
9dbd5c3d 2700 ;;
56348891 2701 604*|ppc604*|powerpc604*)
9dbd5c3d 2702 cpuflags="-mcpu=604"
64ad53ff 2703 disable altivec
9dbd5c3d 2704 ;;
56348891 2705 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 2706 cpuflags="-mcpu=750"
64ad53ff 2707 disable altivec
9dbd5c3d 2708 ;;
56348891 2709 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 2710 cpuflags="-mcpu=7450"
9dbd5c3d 2711 ;;
56348891 2712 74*|ppc74*|powerpc74*)
7f1fcaf0 2713 cpuflags="-mcpu=7400"
9dbd5c3d 2714 ;;
313f9fbf 2715 g5|970|ppc970|powerpc970)
7f1fcaf0 2716 cpuflags="-mcpu=970"
9dbd5c3d 2717 ;;
313f9fbf 2718 power[3-7]*)
7f1fcaf0 2719 cpuflags="-mcpu=$cpu"
313f9fbf 2720 ;;
56348891 2721 cell)
9dbd5c3d
MR
2722 cpuflags="-mcpu=cell"
2723 enable ldbrx
2724 ;;
4ab26cb4
DB
2725 e500mc)
2726 cpuflags="-mcpu=e500mc"
2727 disable altivec
2728 ;;
7b0b81a1
AL
2729 e500v2)
2730 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2731 disable altivec
2732 ;;
2733 e500)
2734 cpuflags="-mcpu=8540 -mhard-float"
2735 disable altivec
2736 ;;
9dbd5c3d 2737 esac
343aef9b 2738
33db40f8
MR
2739elif enabled sparc; then
2740
2741 case $cpu in
2742 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2743 cpuflags="-mcpu=$cpu"
2744 disable vis
2745 ;;
2746 ultrasparc*|niagara[234])
2747 cpuflags="-mcpu=$cpu"
2748 ;;
2749 esac
2750
343aef9b
MR
2751elif enabled x86; then
2752
9dbd5c3d
MR
2753 case $cpu in
2754 i[345]86|pentium)
2755 cpuflags="-march=$cpu"
2756 disable mmx
2757 ;;
2758 # targets that do NOT support conditional mov (cmov)
2759 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2760 cpuflags="-march=$cpu"
2761 disable cmov
2762 ;;
2763 # targets that do support conditional mov (cmov)
f2ce813e 2764 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d
MR
2765 cpuflags="-march=$cpu"
2766 enable cmov
2767 enable fast_cmov
2768 ;;
2769 # targets that do support conditional mov but on which it's slow
2770 pentium4|pentium4m|prescott|nocona)
2771 cpuflags="-march=$cpu"
2772 enable cmov
2773 disable fast_cmov
2774 ;;
2775 esac
343aef9b 2776
343aef9b
MR
2777fi
2778
9ebd45c2
MR
2779if [ "$cpu" != generic ]; then
2780 add_cflags $cpuflags
2781 add_asflags $cpuflags
2782fi
df5cdc24 2783
993f2d0f
MR
2784# compiler sanity check
2785check_exec <<EOF
2786int main(void){ return 0; }
2787EOF
2788if test "$?" != 0; then
2789 echo "$cc is unable to create an executable file."
2790 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2791 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2792 echo "Only do this if you know what cross compiling means."
2793 fi
2794 die "C compiler test failed."
2795fi
2796
046f081b 2797add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2798check_cflags -std=c99
50a334e4 2799check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2800#include <stdlib.h>
2801EOF
50a334e4 2802check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2803#include <stdlib.h>
2804EOF
e9b9a2f8 2805
f0125de9 2806check_host_cflags -std=c99
0a6db2a2 2807check_host_cflags -Wall
f0125de9 2808
d4c99513
MR
2809check_64bit(){
2810 arch32=$1
2811 arch64=$2
2812 expr=$3
2813 check_code cc "" "int test[2*($expr) - 1]" &&
2814 subarch=$arch64 || subarch=$arch32
2815}
2816
b24dbcbd 2817case "$arch" in
d11cb13b 2818 aarch64|alpha|ia64)
2acda282
MR
2819 spic=$shared
2820 ;;
2821 mips)
2822 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 2823 spic=$shared
b24dbcbd 2824 ;;
a6e9d649
MR
2825 parisc)
2826 check_64bit parisc parisc64 'sizeof(void *) > 4'
2827 spic=$shared
2828 ;;
56203596
MR
2829 ppc)
2830 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 2831 spic=$shared
56203596 2832 ;;
4cd217c0
MR
2833 sparc)
2834 check_64bit sparc sparc64 'sizeof(void *) > 4'
2835 spic=$shared
2836 ;;
e939cedd 2837 x86)
d4c99513 2838 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 2839 if test "$subarch" = "x86_64"; then
e939cedd 2840 spic=$shared
de27f4d9 2841 fi
b24dbcbd 2842 ;;
b24dbcbd
RP
2843esac
2844
343aef9b 2845enable $subarch
8a3c8627 2846enabled spic && enable pic
b24dbcbd 2847
7483e694 2848# OS specific
4f854758 2849case $target_os in
a1629e28 2850 haiku)
63ae7e7c 2851 prefix_default="/boot/common"
108caaaa 2852 network_extralibs="-lnetwork"
f59c4bd6 2853 host_libs=
a1629e28 2854 ;;
7483e694 2855 sunos)
4d58e4cb 2856 AVSERVERLDFLAGS=""
9987769a 2857 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2858 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2859 network_extralibs="-lsocket -lnsl"
779222db 2860 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2861 # When using suncc to build, the Solaris linker will mark
2862 # an executable with each instruction set encountered by
2863 # the Solaris assembler. As our libraries contain their own
2864 # guards for processor-specific code, instead suppress
2865 # generation of the HWCAPS ELF section on Solaris x86 only.
2866 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2a8a860a 2867 nm_default='nm -P -g'
7483e694
DB
2868 ;;
2869 netbsd)
a1e4b3f6 2870 disable symver
07a8eef6
MR
2871 oss_indev_extralibs="-lossaudio"
2872 oss_outdev_extralibs="-lossaudio"
7483e694 2873 ;;
d488c3bc 2874 openbsd|bitrig)
a1e4b3f6 2875 disable symver
7483e694 2876 SHFLAGS='-shared'
69dca3a4 2877 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
d5683aba 2878 SLIB_INSTALL_LINKS=
07a8eef6
MR
2879 oss_indev_extralibs="-lossaudio"
2880 oss_outdev_extralibs="-lossaudio"
7483e694 2881 ;;
a1e4b3f6 2882 dragonfly)
a1e4b3f6
MR
2883 disable symver
2884 ;;
2885 freebsd)
7483e694
DB
2886 ;;
2887 bsd/os)
355d81df 2888 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2889 ;;
2890 darwin)
301ab19d 2891 gas="gas-preprocessor.pl $cc"
e08b8239 2892 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2893 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2894 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2895 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2896 SLIBSUF=".dylib"
2897 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2898 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2899 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2900 objformat="macho"
1b0f6fb8 2901 enabled x86_64 && objformat="macho64"
8dfa86f7 2902 enabled_any pic shared ||
2704bd1a 2903 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2904 ;;
2905 mingw32*)
9d3f4f50 2906 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2907 disable network
2908 else
2909 target_os=mingw32
2910 fi
dcc01c06 2911 LIBTARGET=i386
1fc9fb8a 2912 if enabled x86_64; then
417516f6 2913 LIBTARGET="i386:x86-64"
336cc1b0 2914 elif enabled arm; then
15c5156d 2915 LIBTARGET=arm-wince
dcc01c06 2916 fi
fbd971a4 2917 shlibdir_default="$bindir_default"
7483e694
DB
2918 SLIBPREF=""
2919 SLIBSUF=".dll"
7483e694
DB
2920 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2921 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
eb7018d2 2922 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2f138f0b
MR
2923 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2924 SLIB_INSTALL_LINKS=
2925 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2926 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
eb7018d2 2927 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2928 objformat="win32"
ec10a9ab 2929 dlltool="${cross_prefix}dlltool"
a3222470 2930 ranlib=:
bc574408 2931 enable dos_paths
7483e694 2932 ;;
53e8cd68 2933 win32|win64)
d66c52c2
MS
2934 if enabled shared; then
2935 # Link to the import library instead of the normal static library
2936 # for shared libs.
2937 LD_LIB='%.lib'
2938 # Cannot build shared and static libraries at the same time with
2939 # MSVC.
2940 disable static
2941 fi
2942 shlibdir_default="$bindir_default"
2943 SLIBPREF=""
2944 SLIBSUF=".dll"
2945 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2946 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2947 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
2948 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2949 SLIB_INSTALL_LINKS=
2950 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2951 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2952 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
53e8cd68
MS
2953 objformat="win32"
2954 ranlib=:
2955 enable dos_paths
2956 ;;
7483e694 2957 cygwin*)
4f854758 2958 target_os=cygwin
fbd971a4 2959 shlibdir_default="$bindir_default"
7483e694
DB
2960 SLIBPREF="cyg"
2961 SLIBSUF=".dll"
2962 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2963 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
2964 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2965 SLIB_INSTALL_LINKS=
2966 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2967 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 2968 objformat="win32"
bc574408 2969 enable dos_paths
7483e694 2970 ;;
4f365f37 2971 *-dos|freedos|opendos)
4f365f37 2972 network_extralibs="-lsocket"
ff1c015d 2973 objformat="coff"
bc574408 2974 enable dos_paths
a7a187a1 2975 add_cppflags -U__STRICT_ANSI__
4f365f37 2976 ;;
7483e694 2977 linux)
7483e694
DB
2978 enable dv1394
2979 ;;
2980 irix*)
4f854758 2981 target_os=irix
7483e694
DB
2982 ranlib="echo ignoring ranlib"
2983 ;;
d22e8442 2984 os/2*)
d22e8442 2985 ln_s="cp -f"
9297f1ed 2986 objformat="aout"
e14574eb 2987 add_cppflags -D_GNU_SOURCE
355d81df 2988 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2989 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 2990 AVSERVERLDFLAGS=""
287d3b13 2991 LIBSUF="_s.a"
d22e8442
DY
2992 SLIBPREF=""
2993 SLIBSUF=".dll"
2994 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2995 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62 2996 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
f69f51b3
DB
2997 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2998 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2999 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3000 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3001 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
71c61f62 3002 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
f69f51b3 3003 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 3004 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 3005 enable dos_paths
d22e8442 3006 ;;
83993c1c 3007 gnu/kfreebsd)
3bd1eacd 3008 add_cppflags -D_BSD_SOURCE
83993c1c 3009 ;;
34e82167 3010 gnu)
34e82167 3011 ;;
d33ed7b3
MR
3012 qnx)
3013 add_cppflags -D_QNX_SOURCE
3014 network_extralibs="-lsocket"
3015 ;;
1c69c79f
MS
3016 symbian)
3017 SLIBSUF=".dll"
3018 enable dos_paths
e3bc07f4
MS
3019 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3020 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3021 add_ldflags -Wl,--target1-abs,--no-undefined \
3022 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3023 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3024 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3025 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3026 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 3027 ;;
fdd66609
MR
3028 osf1)
3029 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3030 AVSERVERLDFLAGS=
3031 ;;
741a8b72
MR
3032 minix)
3033 ;;
4ebc6a74
MR
3034 plan9)
3035 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3036 -D_REENTRANT_SOURCE \
3037 -D_RESEARCH_SOURCE \
3038 -DFD_SETSIZE=96 \
3039 -DHAVE_SOCK_OPTS
3040 add_compat strtod.o strtod=avpriv_strtod
3041 network_extralibs='-lbsd'
3042 exeobjs=compat/plan9/main.o
3043 disable avserver
3044 ln_s='ln -s -f'
3045 cp_f='cp'
3046 ;;
614d8911
MR
3047 none)
3048 ;;
7483e694 3049 *)
4f924f9a 3050 die "Unknown OS '$target_os'."
7483e694
DB
3051 ;;
3052esac
3053
b797f3c4
MR
3054# determine libc flavour
3055
197252f1 3056# uclibc defines __GLIBC__, so it needs to be checked before glibc.
b797f3c4
MR
3057if check_cpp_condition features.h "defined __UCLIBC__"; then
3058 libc_type=uclibc
3bd1eacd 3059 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3060elif check_cpp_condition features.h "defined __GLIBC__"; then
3061 libc_type=glibc
3bd1eacd 3062 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
29f1fa74
DB
3063# MinGW headers can be installed on Cygwin, so check for newlib first.
3064elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3065 libc_type=newlib
3066 add_cppflags -U__STRICT_ANSI__
b797f3c4
MR
3067elif check_header _mingw.h; then
3068 libc_type=mingw
3069 check_cpp_condition _mingw.h \
3070 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3071 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3072 die "ERROR: MinGW runtime version must be >= 3.15."
759a3a21 3073 add_cppflags -U__STRICT_ANSI__
4fa661a8
RB
3074elif check_func_headers stdlib.h _get_doserrno; then
3075 libc_type=msvcrt
84e65c76
MR
3076 add_compat strtod.o strtod=avpriv_strtod
3077 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3078 _snprintf=avpriv_snprintf \
3079 vsnprintf=avpriv_vsnprintf
b797f3c4
MR
3080elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3081 libc_type=klibc
3082fi
3083
3084test -n "$libc_type" && enable $libc_type
3085
5ab432fa
MR
3086# hacks for compiler/libc/os combinations
3087
3088if enabled_all tms470 glibc; then
b6f8d635 3089 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5ab432fa
MR
3090 add_cppflags -D__USER_LABEL_PREFIX__=
3091 add_cppflags -D__builtin_memset=memset
3092 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3093 add_cflags -pds=48 # incompatible redefinition of macro
3094fi
3095
457cc333
MR
3096if enabled_all ccc glibc; then
3097 add_ldflags -Wl,-z,now # calls to libots crash without this
3098fi
3099
6555acad
MR
3100esc(){
3101 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3102}
3103
3104echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 3105
13cb2187
AS
3106check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3107
c9d19248 3108set_default $PATHS_LIST
2a8a860a 3109set_default nm
c9d19248 3110
320d060a 3111# we need to build at least one lib type
93b3c083 3112if ! enabled_any static shared; then
320d060a
DB
3113 cat <<EOF
3114At least one library type must be built.
3115Specify --enable-static to build the static libraries or --enable-shared to
3116build the shared libraries as well. To only build the shared libraries specify
3117--disable-static in addition to --enable-shared.
3118EOF
3119 exit 1;
3120fi
3121
2184c6f7 3122die_license_disabled() {
4c27207c 3123 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
3124}
3125
e417d80d 3126die_license_disabled gpl libcdio
2184c6f7 3127die_license_disabled gpl libx264
de295976 3128die_license_disabled gpl libxavs
2184c6f7 3129die_license_disabled gpl libxvid
2184c6f7
DB
3130die_license_disabled gpl x11grab
3131
2f7ae63b 3132die_license_disabled nonfree libfaac
87246953 3133die_license_disabled nonfree libfdk_aac
a060866f 3134die_license_disabled nonfree openssl
b2e3c528 3135
0b175caa
DB
3136die_license_disabled version3 libopencore_amrnb
3137die_license_disabled version3 libopencore_amrwb
d89e738a 3138die_license_disabled version3 libvo_aacenc
f502ff3f 3139die_license_disabled version3 libvo_amrwbenc
0b175caa 3140
9cad0e4e 3141enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 3142
40617a6d 3143disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 3144
e276d9e8
MR
3145enable_pic() {
3146 enable pic
bce7b696
MR
3147 add_cppflags -DPIC
3148 add_cflags -fPIC
3149 add_asflags -fPIC
e276d9e8
MR
3150}
3151
3152enabled pic && enable_pic
bce7b696 3153
b4d96ba2
MR
3154check_cc <<EOF || die "Symbol mangling check failed."
3155int ff_extern;
3156EOF
2a8a860a 3157sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
3158extern_prefix=${sym%%ff_extern*}
3159
afb5ed55 3160check_cc <<EOF && enable_weak inline_asm
f65883c8
MR
3161void foo(void) { __asm__ volatile ("" ::); }
3162EOF
61d251db 3163
df5e3978
MR
3164_restrict=
3165for restrict_keyword in restrict __restrict__ __restrict; do
3166 check_cc <<EOF && _restrict=$restrict_keyword && break
3167void foo(char * $restrict_keyword p);
3168EOF
3169done
3170
3171check_cc <<EOF && enable attribute_packed
3172struct { int x; } __attribute__((packed)) x;
3173EOF
3174
dffb41b9
MR
3175check_cc <<EOF && enable attribute_may_alias
3176union { int x; } __attribute__((may_alias)) x;
3177EOF
3178
df5e3978
MR
3179check_cc <<EOF || die "endian test failed"
3180unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3181EOF
48fc536a 3182od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 3183
e939cedd
MR
3184if enabled alpha; then
3185
3186 check_cflags -mieee
3187
3188elif enabled arm; then
e45391bb 3189
66371c28 3190 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
8986fddc 3191 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 3192 nogas=die
50fa82e6 3193
44caaa56
MR
3194 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3195 enable vfp_args
3196 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3197 case "${cross_prefix:-$cc}" in
3198 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3199 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
3200__asm__ (".eabi_attribute 28, 1");
3201int main(void) { return 0; }
3202EOF
44caaa56
MR
3203 esac
3204 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3205 fi
fa0912fe 3206
7f2b3dca
MR
3207 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3208 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3209 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
7f2b3dca 3210 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
b3267559 3211 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
7f2b3dca
MR
3212 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3213
b57c1da8
MR
3214 [ $target_os = linux ] ||
3215 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3216 $ARCH_EXT_LIST_ARM
e45391bb 3217
575db883
DB
3218 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3219 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
6308729e 3220
e276d9e8
MR
3221 enabled_all armv6t2 shared !pic && enable_pic
3222
fa0912fe 3223elif enabled mips; then
e45391bb 3224
575db883 3225 check_inline_asm loongson '"dmult.g $1, $2, $3"'
e45391bb 3226
5af530f5
MR
3227elif enabled parisc; then
3228
3229 if enabled gcc; then
3230 case $($cc -dumpversion) in
3231 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3232 esac
3233 fi
3234
fa0912fe 3235elif enabled ppc; then
e45391bb 3236
e6a0c354
MR
3237 enable local_aligned_8 local_aligned_16
3238
575db883
DB
3239 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3240 check_inline_asm ibm_asm '"add 0, 0, 0"'
3241 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3242 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
3243
3244 # AltiVec flags: The FSF version of GCC differs from the Apple version
3245 if enabled altivec; then
301ab19d 3246 nogas=warn
fa0912fe
MR
3247 check_cflags -maltivec -mabi=altivec &&
3248 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3249 check_cflags -faltivec
3250
3251 # check if our compiler supports Motorola AltiVec C API
3252 check_cc <<EOF || disable altivec
3253$inc_altivec_h
3254int main(void) {
20bcce50
MR
3255 vector signed int v1 = (vector signed int) { 0 };
3256 vector signed int v2 = (vector signed int) { 1 };
3257 v1 = vec_add(v1, v2);
fa0912fe
MR
3258 return 0;
3259}
3260EOF
3261
20bcce50 3262 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
fa0912fe 3263 fi
e45391bb 3264
fa0912fe 3265elif enabled sparc; then
e45391bb 3266
6aa93689 3267 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
e45391bb 3268
fa0912fe 3269elif enabled x86; then
e45391bb 3270
8e85ba8d
DB
3271 check_code ld intrin.h "__rdtsc()" && enable rdtsc
3272
f80ddd5b
RB
3273 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
3274
e6a0c354
MR
3275 enable local_aligned_8 local_aligned_16
3276
44965991
PI
3277 # check whether EBP is available on x86
3278 # As 'i' is stored on the stack, this program will crash
3279 # if the base pointer is used to access it because the
3280 # base pointer is cleared in the inline assembly code.
7dfef245 3281 check_exec_crash <<EOF && enable ebp_available
f69f51b3
DB
3282volatile int i=0;
3283__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3284return i;
44965991
PI
3285EOF
3286
f494213c 3287 # check whether EBX is available on x86
575db883
DB
3288 check_inline_asm ebx_available '""::"b"(0)' &&
3289 check_inline_asm ebx_available '"":::"%ebx"'
8e380710 3290
6f74fb03 3291 # check whether xmm clobbers are supported
575db883 3292 check_inline_asm xmm_clobbers '"":::"%xmm0"'
6f74fb03 3293
239fdf1b 3294 # check whether binutils is new enough to compile SSSE3/MMXEXT
43b73d59
DB
3295 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3296 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
6bd859d6 3297
9cca1e40 3298 if ! disabled_any asm mmx yasm; then
b6c06894
MR
3299 if check_cmd $yasmexe --version; then
3300 enabled x86_64 && yasm_extra="-m amd64"
3301 yasm_debug="-g dwarf2"
3302 elif check_cmd nasm -v; then
3303 yasmexe=nasm
3304 yasm_debug="-g -F dwarf"
3305 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3306 fi
3307
3308 YASMFLAGS="-f $objformat $yasm_extra"
3309 enabled pic && append YASMFLAGS "-DPIC"
3310 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3311 case "$objformat" in
3312 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3313 esac
3314
b8e8a07c 3315 check_yasm "vextractf128 xmm0, ymm0, 0" && enable yasm ||
25432e85 3316 die "yasm not found, use --disable-yasm for a crippled build"
43b73d59 3317 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
180d43bc 3318 check_yasm "CPU amdnop" && enable cpunop
31a0dcb2 3319 fi
e45391bb