oggdec: check memory allocation
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 4#
949906ea
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
070c5d0f 47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
505dfb09 48 echo "Instead, install a working POSIX-compatible shell."
070c5d0f 49 echo "Disabling this configure test will create a broken Libav."
c21d6325
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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54 exit 1
55fi
56
a77f01c7
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57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
06454877
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61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
3b327a4b
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66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
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80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
06454877
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84 --libdir=DIR install libs in DIR [PREFIX/lib]
85 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
86 --incdir=DIR install includes in DIR [PREFIX/include]
87 --mandir=DIR install man page in DIR [PREFIX/share/man]
88
3b327a4b 89Licensing options:
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90 --enable-gpl allow use of GPL code, the resulting libs
91 and binaries will be under GPL [no]
92 --enable-version3 upgrade (L)GPL to version 3 [no]
93 --enable-nonfree allow use of nonfree code, the resulting libs
94 and binaries will be unredistributable [no]
3b327a4b
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95
96Configuration options:
97 --disable-static do not build static libraries [no]
98 --enable-shared build shared libraries [no]
99 --enable-small optimize for size instead of speed
100 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103
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104Program options:
105 --disable-programs do not build command line programs
6291d7e4 106 --disable-avconv disable avconv build
266463da 107 --disable-avplay disable avplay build
9e12f0bf 108 --disable-avprobe disable avprobe build
4d58e4cb 109 --disable-avserver disable avserver build
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110
111Component options:
112 --disable-doc do not build documentation
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113 --disable-avdevice disable libavdevice build
114 --disable-avcodec disable libavcodec build
115 --disable-avformat disable libavformat build
d89f2fa9 116 --disable-avutil disable libavutil build
5a0f7131 117 --disable-swscale disable libswscale build
cccc039f 118 --disable-avfilter disable video filter support [no]
c8af852b 119 --disable-avresample disable libavresample build [no]
0dbfc1db 120 --disable-pthreads disable pthreads [auto]
7b7b220c 121 --disable-w32threads disable Win32 threads [auto]
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122 --enable-x11grab enable X11 grabbing [no]
123 --disable-network disable network support [no]
7f3f5f46 124 --disable-dct disable DCT code
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125 --disable-dwt disable DWT code
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
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130 --disable-fft disable FFT code
131 --enable-dxva2 enable DXVA2 code
dcb73592 132 --enable-vaapi enable VAAPI code
ac3dbb4d 133 --enable-vda enable VDA code
e8f6bd4b 134 --enable-vdpau enable VDPAU code
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135
136Individual component options:
bb55e3a3 137 --disable-everything disable all components listed below
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138 --disable-encoder=NAME disable encoder NAME
139 --enable-encoder=NAME enable encoder NAME
140 --disable-encoders disable all encoders
141 --disable-decoder=NAME disable decoder NAME
142 --enable-decoder=NAME enable decoder NAME
143 --disable-decoders disable all decoders
144 --disable-hwaccel=NAME disable hwaccel NAME
145 --enable-hwaccel=NAME enable hwaccel NAME
146 --disable-hwaccels disable all hwaccels
147 --disable-muxer=NAME disable muxer NAME
148 --enable-muxer=NAME enable muxer NAME
149 --disable-muxers disable all muxers
150 --disable-demuxer=NAME disable demuxer NAME
151 --enable-demuxer=NAME enable demuxer NAME
152 --disable-demuxers disable all demuxers
153 --enable-parser=NAME enable parser NAME
154 --disable-parser=NAME disable parser NAME
155 --disable-parsers disable all parsers
156 --enable-bsf=NAME enable bitstream filter NAME
157 --disable-bsf=NAME disable bitstream filter NAME
158 --disable-bsfs disable all bitstream filters
159 --enable-protocol=NAME enable protocol NAME
160 --disable-protocol=NAME disable protocol NAME
161 --disable-protocols disable all protocols
3b327a4b 162 --enable-indev=NAME enable input device NAME
06454877 163 --disable-indev=NAME disable input device NAME
06454877 164 --disable-indevs disable input devices
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165 --enable-outdev=NAME enable output device NAME
166 --disable-outdev=NAME disable output device NAME
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167 --disable-outdevs disable output devices
168 --disable-devices disable all devices
169 --enable-filter=NAME enable filter NAME
170 --disable-filter=NAME disable filter NAME
171 --disable-filters disable all filters
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172
173External library support:
174 --enable-avisynth enable reading of AVISynth script files [no]
175 --enable-bzlib enable bzlib [autodetect]
47941088 176 --enable-frei0r enable frei0r video filtering
bc8c1395 177 --enable-gnutls enable gnutls [no]
e417d80d 178 --enable-libcdio enable audio CD grabbing with libcdio
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179 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
180 and libraw1394 [no]
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181 --enable-libfaac enable AAC encoding via libfaac [no]
182 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
a5b64584 183 --enable-libfreetype enable libfreetype [no]
c547e5ff 184 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 185 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 186 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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187 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
188 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
189 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 190 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
44617d6e 191 --enable-libopus enable Opus decoding via libopus [no]
7c922411 192 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 193 --enable-librtmp enable RTMP[E] support via librtmp [no]
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194 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
195 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 196 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 197 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 198 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
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199 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
200 --enable-libvpx enable VP8 de/encoding via libvpx [no]
06454877 201 --enable-libx264 enable H.264 encoding via x264 [no]
de295976 202 --enable-libxavs enable AVS encoding via xavs [no]
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203 --enable-libxvid enable Xvid encoding via xvidcore,
204 native MPEG-4/Xvid encoder exists [no]
a060866f 205 --enable-openssl enable openssl [no]
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206 --enable-zlib enable zlib [autodetect]
207
208Advanced options (experts only):
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209 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
210 --enable-cross-compile assume a cross-compiler is used
211 --sysroot=PATH root of cross-build tree
212 --sysinclude=PATH location of cross-build system headers
213 --target-os=OS compiler targets OS [$target_os]
214 --target-exec=CMD command to run executables on target
215 --target-path=DIR path to view of build directory on target
aeeb782c 216 --toolchain=NAME set tool defaults according to NAME
06454877 217 --nm=NM use nm tool
121d78d0 218 --ar=AR use archive tool AR [$ar_default]
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219 --as=AS use assembler AS [$as_default]
220 --cc=CC use C compiler CC [$cc_default]
193cdd9a 221 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
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222 --ld=LD use linker LD
223 --host-cc=HOSTCC use host C compiler HOSTCC
224 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
095792f2 225 --host-ld=HOSTLD use host linker HOSTLD
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226 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
227 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 228 --host-os=OS compiler host OS [$target_os]
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229 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
230 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
231 --extra-libs=ELIBS add ELIBS [$ELIBS]
232 --extra-version=STRING version string suffix []
193cdd9a 233 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 234 --build-suffix=SUFFIX library name suffix []
3b327a4b 235 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
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236 --arch=ARCH select architecture [$arch]
237 --cpu=CPU select the minimum required CPU (affects
238 instruction selection, may crash on older CPUs)
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239 --enable-pic build position-independent code
240 --enable-sram allow use of on-chip SRAM
193cdd9a 241 --enable-thumb compile for Thumb instruction set
3b327a4b 242 --disable-symver disable symbol versioning
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DB
243 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
244 --disable-safe-bitstream-reader
245 disable buffer boundary checking in bitreaders
246 (faster, but may crash)
247 --enable-memalign-hack emulate memalign, interferes with memory debuggers
65d12900 248 --enable-lto use link-time optimization
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249
250Optimization options (experts only):
c8a4ae00 251 --disable-asm disable all assembler optimizations
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252 --disable-altivec disable AltiVec optimizations
253 --disable-amd3dnow disable 3DNow! optimizations
254 --disable-amd3dnowext disable 3DNow! extended optimizations
255 --disable-mmx disable MMX optimizations
239fdf1b 256 --disable-mmxext disable MMXEXT optimizations
06454877 257 --disable-sse disable SSE optimizations
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258 --disable-sse2 disable SSE2 optimizations
259 --disable-sse3 disable SSE3 optimizations
06454877 260 --disable-ssse3 disable SSSE3 optimizations
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261 --disable-sse4 disable SSE4 optimizations
262 --disable-sse42 disable SSE4.2 optimizations
87f1355f 263 --disable-avx disable AVX optimizations
79687079 264 --disable-fma4 disable FMA4 optimizations
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265 --disable-armv5te disable armv5te optimizations
266 --disable-armv6 disable armv6 optimizations
267 --disable-armv6t2 disable armv6t2 optimizations
b3267559 268 --disable-vfp disable VFP optimizations
5ea20630 269 --disable-neon disable NEON optimizations
06454877 270 --disable-vis disable VIS optimizations
afb5ed55 271 --disable-inline-asm disable use of inline assembler
06454877 272 --disable-yasm disable use of yasm assembler
06454877 273
070c5d0f 274Developer options (useful when working on Libav itself):
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275 --disable-debug disable debugging symbols
276 --enable-debug=LEVEL set the debug level [$debuglevel]
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277 --disable-optimizations disable compiler optimizations
278 --enable-extra-warnings enable more compiler warnings
52b3cc60 279 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 280 \$LIBAV_SAMPLES at make invocation time.
7e4d9d5d
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281 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
282 should be used only for debugging purposes)
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283 --enable-random randomly enable/disable components
284 --disable-random
285 --enable-random=LIST randomly enable/disable specific components or
286 --disable-random=LIST component groups. LIST is a comma-separated list
287 of NAME[:PROB] entries where NAME is a component
288 (group) and PROB the probability associated with
289 NAME (default 0.5).
290 --random-seed=VALUE seed value for --enable/disable-random
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291
292NOTE: Object files are built at the place where configure is launched.
293EOF
60e8bc13 294 exit 0
74c53c2d 295}
cf9d24ad 296
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297quotes='""'
298
57bd82d4 299log(){
2270b4b2 300 echo "$@" >> $logfile
57bd82d4
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301}
302
720c69da 303log_file(){
c8e9f801 304 log BEGIN $1
2270b4b2 305 pr -n -t $1 >> $logfile
c8e9f801
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306 log END $1
307}
308
2ba042a7 309echolog(){
c8e9f801 310 log "$@"
57bd82d4 311 echo "$@"
2ba042a7
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312}
313
7bfc8ae6
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314warn(){
315 log "WARNING: $*"
316 WARNINGS="${WARNINGS}WARNING: $*\n"
317}
318
2ba042a7
MR
319die(){
320 echolog "$@"
321 cat <<EOF
d326cf7f 322
2ba042a7 323If you think configure made a mistake, make sure you are using the latest
4a6a21f5 324version from Git. If the latest version fails, report the problem to the
070c5d0f 325libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 326EOF
e155a21a 327 if disabled logging; then
2ba042a7 328 cat <<EOF
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329Rerun configure with logging enabled (do not use --disable-logging), and
330include the log this produces with your report.
2ba042a7
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331EOF
332 else
f69f51b3 333 cat <<EOF
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334Include the log file "$logfile" produced by configure as this will help
335solving the problem.
2ba042a7
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336EOF
337 fi
57bd82d4
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338 exit 1
339}
340
6c6007d6 341# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 342toupper(){
6c6007d6 343 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
344}
345
4a5444db 346tolower(){
6c6007d6 347 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
348}
349
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350c_escape(){
351 echo "$*" | sed 's/["\\]/\\\0/g'
352}
353
b04251c5
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354sh_quote(){
355 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 356 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
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357 echo "$v"
358}
359
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360cleanws(){
361 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
362}
363
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364filter(){
365 pat=$1
366 shift
367 for v; do
98ef6079 368 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
369 done
370}
371
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372filter_out(){
373 pat=$1
374 shift
375 for v; do
376 eval "case $v in $pat) ;; *) echo $v ;; esac"
377 done
378}
379
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380map(){
381 m=$1
382 shift
e0e335a0 383 for v; do eval $m; done
36e2dea0
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384}
385
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386add_suffix(){
387 suffix=$1
388 shift
389 for v; do echo ${v}${suffix}; done
390}
391
a8d04fba
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392set_all(){
393 value=$1
394 shift
395 for var in $*; do
396 eval $var=$value
397 done
398}
399
72a43668
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400set_weak(){
401 value=$1
402 shift
403 for var; do
404 eval : \${$var:=$value}
405 done
406}
407
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408set_safe(){
409 var=$1
410 shift
411 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
412}
413
414get_safe(){
415 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
416}
417
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418pushvar(){
419 for var in $*; do
420 eval level=\${${var}_level:=0}
421 eval ${var}_${level}="\$$var"
422 eval ${var}_level=$(($level+1))
423 done
424}
425
426popvar(){
427 for var in $*; do
428 eval level=\${${var}_level:-0}
429 test $level = 0 && continue
430 eval level=$(($level-1))
431 eval $var="\${${var}_${level}}"
432 eval ${var}_level=$level
433 eval unset ${var}_${level}
434 done
435}
436
a8d04fba
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437enable(){
438 set_all yes $*
439}
440
441disable(){
442 set_all no $*
443}
444
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445enable_weak(){
446 set_weak yes $*
447}
448
449disable_weak(){
450 set_weak no $*
451}
452
72702705 453enable_safe(){
fd07f803
MR
454 for var; do
455 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
456 done
72702705
MR
457}
458
459disable_safe(){
fd07f803
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460 for var; do
461 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
462 done
72702705
MR
463}
464
f9d328da
MR
465do_enable_deep(){
466 for var; do
467 enabled $var && continue
468 eval sel="\$${var}_select"
c510c7b5
MR
469 eval sgs="\$${var}_suggest"
470 pushvar var sgs
f9d328da 471 enable_deep $sel
c510c7b5
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472 popvar sgs
473 enable_deep_weak $sgs
f9d328da
MR
474 popvar var
475 done
476}
477
478enable_deep(){
479 do_enable_deep $*
480 enable $*
481}
482
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483enable_deep_weak(){
484 do_enable_deep $*
485 enable_weak $*
486}
487
57bd82d4 488enabled(){
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489 test "${1#!}" = "$1" && op== || op=!=
490 eval test "x\$${1#!}" $op "xyes"
44161118
MR
491}
492
37970ebf 493disabled(){
3250003c
MR
494 test "${1#!}" = "$1" && op== || op=!=
495 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
496}
497
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498enabled_all(){
499 for opt; do
500 enabled $opt || return 1
501 done
502}
503
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504disabled_all(){
505 for opt; do
506 disabled $opt || return 1
507 done
508}
509
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510enabled_any(){
511 for opt; do
512 enabled $opt && return 0
513 done
514}
515
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516disabled_any(){
517 for opt; do
518 disabled $opt && return 0
519 done
f7b230a7 520 return 1
85bca2c5
DB
521}
522
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523set_default(){
524 for opt; do
88268e94 525 eval : \${$opt:=\$${opt}_default}
c9d19248
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526 done
527}
528
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529is_in(){
530 value=$1
531 shift
532 for var in $*; do
533 [ $var = $value ] && return 0
534 done
535 return 1
536}
537
d4f8cecc 538do_check_deps(){
30fd06be 539 for cfg; do
3250003c 540 cfg="${cfg#!}"
799c9e9b
MR
541 enabled ${cfg}_checking && die "Circular dependency for $cfg."
542 disabled ${cfg}_checking && continue
543 enable ${cfg}_checking
d4f8cecc 544 append allopts $cfg
799c9e9b 545
30fd06be
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546 eval dep_all="\$${cfg}_deps"
547 eval dep_any="\$${cfg}_deps_any"
7ef3425f 548 eval dep_sel="\$${cfg}_select"
c510c7b5 549 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
550 eval dep_ifa="\$${cfg}_if"
551 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 552
3d7453e0 553 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
d4f8cecc 554 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
3d7453e0 555 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 556
3d7453e0
MR
557 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
558 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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559 enabled_all $dep_all || disable $cfg
560 enabled_any $dep_any || disable $cfg
7ef3425f 561 disabled_any $dep_sel && disable $cfg
799c9e9b 562
4ec45764 563 if enabled $cfg; then
f9d328da 564 enable_deep $dep_sel
c510c7b5 565 enable_deep_weak $dep_sgs
4ec45764
RP
566 fi
567
799c9e9b 568 disable ${cfg}_checking
30fd06be
MR
569 done
570}
571
d4f8cecc
MR
572check_deps(){
573 unset allopts
574
575 do_check_deps "$@"
576
577 for cfg in $allopts; do
578 enabled $cfg || continue
579 eval dep_extralibs="\$${cfg}_extralibs"
580 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
581 done
582}
583
44161118
MR
584print_config(){
585 pfx=$1
72cfcf41
MR
586 files=$2
587 shift 2
f454e879
MR
588 map 'eval echo "$v \${$v:-no}"' "$@" |
589 awk "BEGIN { split(\"$files\", files) }
590 {
591 c = \"$pfx\" toupper(\$1);
592 v = \$2;
593 sub(/yes/, 1, v);
594 sub(/no/, 0, v);
595 for (f in files) {
596 file = files[f];
597 if (file ~ /\\.h\$/) {
598 printf(\"#define %s %d\\n\", c, v) >>file;
599 } else if (file ~ /\\.asm\$/) {
600 printf(\"%%define %s %d\\n\", c, v) >>file;
601 } else if (file ~ /\\.mak\$/) {
d16c4aeb 602 n = -v ? \"\" : \"!\";
f454e879
MR
603 printf(\"%s%s=yes\\n\", n, c) >>file;
604 }
605 }
606 }"
57bd82d4
MR
607}
608
31c0121d 609print_enabled(){
31c0121d
MR
610 suf=$1
611 shift
612 for v; do
9eda2a85 613 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
614 done
615}
616
57bd82d4
MR
617append(){
618 var=$1
619 shift
57bd82d4
MR
620 eval "$var=\"\$$var $*\""
621}
622
60361817
MR
623prepend(){
624 var=$1
625 shift
626 eval "$var=\"$* \$$var\""
627}
628
50a334e4 629add_cppflags(){
cd52ec95 630 append CPPFLAGS "$@"
50a334e4
MR
631}
632
57bd82d4 633add_cflags(){
01d31e16 634 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
635}
636
2f2e6c7c 637add_asflags(){
01d31e16 638 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
639}
640
57bd82d4 641add_ldflags(){
64933b6c 642 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
643}
644
645add_extralibs(){
64933b6c 646 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
647}
648
6c3fa06a
MR
649add_host_cflags(){
650 append host_cflags $($host_cflags_filter "$@")
651}
652
653add_host_ldflags(){
654 append host_ldflags $($host_ldflags_filter "$@")
655}
656
84e65c76
MR
657add_compat(){
658 append compat_objs $1
659 shift
660 map 'add_cppflags -D$v' "$@"
661}
662
b0cfb663 663check_cmd(){
b3cb5d51 664 log "$@"
2270b4b2 665 "$@" >> $logfile 2>&1
b0cfb663
MR
666}
667
b2704a65
MR
668cc_o(){
669 eval printf '%s\\n' $CC_O
670}
671
18031c49
MR
672cc_e(){
673 eval printf '%s\\n' $CC_E
674}
675
dcd479c0 676check_cc(){
57bd82d4 677 log check_cc "$@"
2270b4b2 678 cat > $TMPC
720c69da 679 log_file $TMPC
23565c26 680 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
681}
682
683check_cpp(){
684 log check_cpp "$@"
2270b4b2 685 cat > $TMPC
720c69da 686 log_file $TMPC
18031c49 687 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
688}
689
df0d6341
MR
690as_o(){
691 eval printf '%s\\n' $AS_O
692}
693
f65883c8
MR
694check_as(){
695 log check_as "$@"
7fd90119
MR
696 cat > $TMPS
697 log_file $TMPS
698 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
699}
700
575db883
DB
701check_inline_asm(){
702 log check_inline_asm "$@"
940f335a 703 name="$1"
3784e82e 704 code="$2"
940f335a 705 shift 2
49214f61 706 disable $name
7fd90119 707 check_cc "$@" <<EOF && enable $name
3784e82e 708void foo(void){ __asm__ volatile($code); }
940f335a
MR
709EOF
710}
711
c6ebc9fa
MR
712check_insn(){
713 log check_insn "$@"
714 check_inline_asm ${1}_inline "\"$2\""
715 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
716}
717
304d586d
LM
718check_yasm(){
719 log check_yasm "$@"
720 echo "$1" > $TMPS
721 log_file $TMPS
722 shift 1
723 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
724}
725
29b64b68
MR
726ld_o(){
727 eval printf '%s\\n' $LD_O
728}
729
dcd479c0 730check_ld(){
57bd82d4 731 log check_ld "$@"
66a1ccd7
MR
732 flags=$(filter_out '-l*' "$@")
733 libs=$(filter '-l*' "$@")
01d31e16 734 check_cc $($cflags_filter $flags) || return
64933b6c
MR
735 flags=$($ldflags_filter $flags)
736 libs=$($ldflags_filter $libs)
29b64b68 737 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
738}
739
5adc829e
MR
740check_code(){
741 log check_code "$@"
742 check=$1
743 headers=$2
744 code=$3
745 shift 3
746 {
747 for hdr in $headers; do
748 echo "#include <$hdr>"
749 done
750 echo "int main(void) { $code; return 0; }"
751 } | check_$check "$@"
752}
753
50a334e4
MR
754check_cppflags(){
755 log check_cppflags "$@"
caf458dd 756 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
757int x;
758EOF
759}
760
dcd479c0 761check_cflags(){
57bd82d4 762 log check_cflags "$@"
01d31e16 763 set -- $($cflags_filter "$@")
caf458dd 764 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
765int x;
766EOF
767}
768
2ed46eea
MR
769test_ldflags(){
770 log test_ldflags "$@"
771 check_ld "$@" <<EOF
c23a0ac8 772int main(void){ return 0; }
dcd479c0
MR
773EOF
774}
775
2ed46eea
MR
776check_ldflags(){
777 log check_ldflags "$@"
778 test_ldflags "$@" && add_ldflags "$@"
779}
780
dcd479c0 781check_header(){
57bd82d4 782 log check_header "$@"
dcd479c0
MR
783 header=$1
784 shift
b77df637
MR
785 disable_safe $header
786 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
787#include <$header>
788int x;
789EOF
790}
791
792check_func(){
57bd82d4 793 log check_func "$@"
dcd479c0
MR
794 func=$1
795 shift
d8bc5f06
MR
796 disable $func
797 check_ld "$@" <<EOF && enable $func
dcd479c0 798extern int $func();
c23a0ac8 799int main(void){ $func(); }
dcd479c0
MR
800EOF
801}
802
645d2652 803check_mathfunc(){
6b73c0ae 804 log check_mathfunc "$@"
645d2652 805 func=$1
1aa07aa2
MR
806 narg=$2
807 shift 2
808 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
809 disable $func
810 check_ld "$@" <<EOF && enable $func
811#include <math.h>
1aa07aa2 812float foo(float f, float g) { return $func($args); }
33bd38db 813int main(void){ return 0; }
645d2652
MR
814EOF
815}
816
2446d3d6
DB
817check_func_headers(){
818 log check_func_headers "$@"
f8d7b072 819 headers=$1
edaf1ae2 820 funcs=$2
f8d7b072 821 shift 2
edaf1ae2
MR
822 {
823 for hdr in $headers; do
824 echo "#include <$hdr>"
825 done
826 for func in $funcs; do
827 echo "long check_$func(void) { return (long) $func; }"
828 done
829 echo "int main(void) { return 0; }"
830 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
831}
832
a5344cf7
SS
833check_cpp_condition(){
834 log check_cpp_condition "$@"
835 header=$1
836 condition=$2
f855b7b9 837 shift 2
cd52ec95 838 check_cpp "$@" <<EOF
a5344cf7
SS
839#include <$header>
840#if !($condition)
841#error "unsatisfied condition: $condition"
842#endif
843EOF
844}
845
57bd82d4
MR
846check_lib(){
847 log check_lib "$@"
848 header="$1"
849 func="$2"
850 shift 2
84400e9d 851 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
852}
853
f8d7b072
MR
854check_lib2(){
855 log check_lib2 "$@"
856 headers="$1"
edaf1ae2 857 funcs="$2"
f8d7b072 858 shift 2
edaf1ae2 859 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
860}
861
3f8040db
MR
862check_pkg_config(){
863 log check_pkg_config "$@"
864 pkg="$1"
865 headers="$2"
866 funcs="$3"
867 shift 3
868 $pkg_config --exists $pkg || return
869 pkg_cflags=$($pkg_config --cflags $pkg)
870 pkg_libs=$($pkg_config --libs $pkg)
871 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
872 set_safe ${pkg}_cflags $pkg_cflags &&
873 set_safe ${pkg}_libs $pkg_libs
874}
875
dcd479c0 876check_exec(){
2270b4b2 877 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
878}
879
7dfef245 880check_exec_crash(){
5e622c40 881 code=$(cat)
7dfef245
MR
882
883 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
884 # are safe but may not be available everywhere. Thus we use
885 # raise(SIGTERM) instead. The check is run in a subshell so we
886 # can redirect the "Terminated" message from the shell. SIGBUS
887 # is not defined by standard C so it is used conditionally.
888
2270b4b2 889 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
890#include <signal.h>
891static void sighandler(int sig){
892 raise(SIGTERM);
893}
692dd8ed
MR
894int foo(void){
895 $code
896}
e5af4a11 897int main(void){
7dfef245
MR
898 signal(SIGILL, sighandler);
899 signal(SIGFPE, sighandler);
900 signal(SIGSEGV, sighandler);
901#ifdef SIGBUS
902 signal(SIGBUS, sighandler);
903#endif
692dd8ed 904 foo();
7dfef245
MR
905}
906EOF
907}
908
72be9e73
DY
909check_type(){
910 log check_type "$@"
911 headers=$1
912 type=$2
913 shift 2
ae550ce9 914 disable_safe "$type"
5adc829e 915 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
916}
917
14d36751
MR
918check_struct(){
919 log check_type "$@"
920 headers=$1
921 struct=$2
922 member=$3
923 shift 3
924 disable_safe "${struct}_${member}"
5adc829e
MR
925 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
926 enable_safe "${struct}_${member}"
14d36751
MR
927}
928
57bd82d4
MR
929require(){
930 name="$1"
931 header="$2"
932 func="$3"
933 shift 3
934 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
935}
936
f8d7b072
MR
937require2(){
938 name="$1"
939 headers="$2"
940 func="$3"
941 shift 3
942 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
943}
944
3f8040db
MR
945require_pkg_config(){
946 pkg="$1"
947 check_pkg_config "$@" || die "ERROR: $pkg not found"
948 add_cflags $(get_safe ${pkg}_cflags)
949 add_extralibs $(get_safe ${pkg}_libs)
950}
951
ae43c4c0
MR
952hostcc_o(){
953 eval printf '%s\\n' $HOSTCC_O
954}
955
f0125de9
MR
956check_host_cc(){
957 log check_host_cc "$@"
958 cat > $TMPC
959 log_file $TMPC
ae43c4c0 960 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
961}
962
963check_host_cflags(){
964 log check_host_cflags "$@"
6c3fa06a 965 set -- $($host_cflags_filter "$@")
f0125de9
MR
966 check_host_cc "$@" <<EOF && append host_cflags "$@"
967int x;
968EOF
969}
970
c505dd31
MR
971apply(){
972 file=$1
973 shift
974 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
975}
976
c34681df 977cp_if_changed(){
5e27ec28
MR
978 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
979 mkdir -p "$(dirname $2)"
4ebc6a74 980 $cp_f "$1" "$2"
c34681df
MR
981}
982
dcd61286
DB
983# CONFIG_LIST contains configurable options, while HAVE_LIST is for
984# system-dependent things.
985
4a0d6686
AJ
986COMPONENT_LIST="
987 bsfs
988 decoders
989 demuxers
990 encoders
3cde40aa 991 filters
5666fd73 992 hwaccels
c552605c 993 indevs
4a0d6686 994 muxers
c552605c 995 outdevs
4a0d6686
AJ
996 parsers
997 protocols
998"
999
d89f2fa9
DB
1000LIBRARY_LIST="
1001 avcodec
1002 avdevice
1003 avfilter
1004 avformat
1005 avresample
1006 avutil
1007 swscale
1008"
1009
055c61b8
DB
1010PROGRAM_LIST="
1011 avconv
1012 avplay
1013 avprobe
1014 avserver
055c61b8
DB
1015"
1016
4a0d6686
AJ
1017CONFIG_LIST="
1018 $COMPONENT_LIST
d89f2fa9 1019 $LIBRARY_LIST
055c61b8 1020 $PROGRAM_LIST
c88f5d72 1021 avisynth
f402916e 1022 bzlib
7f3f5f46 1023 dct
c73f65d9 1024 doc
05aec7bb 1025 dwt
92c6a099 1026 dxva2
1848f7d9 1027 fft
47941088 1028 frei0r
bc8c1395 1029 gnutls
c88f5d72 1030 gpl
d8d0d0b2 1031 gray
3abe5fbd 1032 hardcoded_tables
e417d80d 1033 libcdio
f7b8bffe 1034 libdc1394
2eed5a46 1035 libfaac
37eeb5e2 1036 libfdk_aac
a5b64584 1037 libfreetype
c88f5d72 1038 libgsm
3641b048 1039 libilbc
6ebe07fb 1040 libmp3lame
0b175caa
DB
1041 libopencore_amrnb
1042 libopencore_amrwb
6ebf0bfc 1043 libopencv
9a77d59a 1044 libopenjpeg
44617d6e 1045 libopus
0de9c41f 1046 libpulse
0f943ce6 1047 librtmp
f7cd9eed 1048 libschroedinger
ae14f311 1049 libspeex
150d2772 1050 libtheora
d89e738a 1051 libvo_aacenc
f502ff3f 1052 libvo_amrwbenc
c88f5d72 1053 libvorbis
8299a7f8 1054 libvpx
1cc60c47 1055 libx264
de295976 1056 libxavs
1cc60c47 1057 libxvid
b781cc12 1058 lsp
2a91ada8 1059 lzo
47a158cb 1060 mdct
c88f5d72 1061 memalign_hack
c88f5d72 1062 network
3fe142e2 1063 nonfree
a060866f 1064 openssl
8a3c8627 1065 pic
68602540 1066 rdft
e90f5b5a 1067 runtime_cpudetect
8cfbbd92 1068 safe_bitstream_reader
2e35e684 1069 shared
bd2216e4 1070 small
6b35d421 1071 sram
2e35e684 1072 static
a9ddb5b1 1073 swscale_alpha
8986fddc 1074 thumb
17492d5e 1075 vaapi
ac3dbb4d 1076 vda
17492d5e 1077 vdpau
9cad0e4e 1078 version3
7e4d9d5d 1079 xmm_clobber_test
56a059ac 1080 x11grab
c88f5d72 1081 zlib
4a0d6686 1082"
c88f5d72 1083
8eee7025 1084THREADS_LIST='
8eee7025
DB
1085 pthreads
1086 w32threads
1087'
1088
3f5b56e5 1089ARCH_LIST='
5873b623 1090 aarch64
3f5b56e5 1091 alpha
a2fc0f6a 1092 arm
fdcd782d
MR
1093 avr32
1094 avr32_ap
1095 avr32_uc
3f5b56e5
MR
1096 bfin
1097 ia64
1098 m68k
1099 mips
bae3abb0 1100 mips64
3f5b56e5 1101 parisc
79cb09b2 1102 ppc
34d11b87 1103 ppc64
3f5b56e5
MR
1104 s390
1105 sh4
1106 sparc
1107 sparc64
c75848cd
DB
1108 tilegx
1109 tilepro
0844bae1 1110 tomi
3f5b56e5
MR
1111 x86
1112 x86_32
1113 x86_64
1114'
1115
81dfa21e
MR
1116ARCH_EXT_LIST_ARM='
1117 armv5te
1118 armv6
1119 armv6t2
81dfa21e 1120 neon
b3267559 1121 vfp
81dfa21e
MR
1122 vfpv3
1123'
1124
50cd43f2 1125ARCH_EXT_LIST_X86='
3bf96eec 1126 amd3dnow
a1ef9f08 1127 amd3dnowext
50cd43f2
DB
1128 avx
1129 fma4
1130 mmx
1131 mmxext
1132 sse
1133 sse2
1134 sse3
1135 sse4
1136 sse42
1137 ssse3
1138'
1139
1140ARCH_EXT_LIST="
81dfa21e 1141 $ARCH_EXT_LIST_ARM
50cd43f2
DB
1142 $ARCH_EXT_LIST_X86
1143 altivec
799fde37 1144 ppc4xx
bd9d34a0 1145 vis
50cd43f2 1146"
3f5b56e5 1147
fd712a55
DB
1148HAVE_LIST_CMDLINE='
1149 inline_asm
1150 symver
1151 yasm
1152'
1153
a3e02a8c
MR
1154HAVE_LIST_PUB='
1155 bigendian
d268eee9 1156 fast_unaligned
a3e02a8c
MR
1157'
1158
79042ab3 1159MATH_FUNCS="
fab0a8b2
MR
1160 atanf
1161 atan2f
79042ab3 1162 cbrtf
fab0a8b2 1163 cosf
79042ab3
DB
1164 exp2
1165 exp2f
fab0a8b2 1166 expf
79042ab3
DB
1167 isinf
1168 isnan
fab0a8b2 1169 ldexpf
79042ab3
DB
1170 llrint
1171 llrintf
1172 log2
1173 log2f
fab0a8b2 1174 log10f
79042ab3
DB
1175 lrint
1176 lrintf
fab0a8b2 1177 powf
79042ab3
DB
1178 rint
1179 round
1180 roundf
fab0a8b2 1181 sinf
79042ab3
DB
1182 trunc
1183 truncf
1184"
1185
3f5b56e5
MR
1186HAVE_LIST="
1187 $ARCH_EXT_LIST
43b73d59
DB
1188 $(add_suffix _external $ARCH_EXT_LIST)
1189 $(add_suffix _inline $ARCH_EXT_LIST)
fd712a55 1190 $HAVE_LIST_CMDLINE
a3e02a8c 1191 $HAVE_LIST_PUB
3f5b56e5 1192 $THREADS_LIST
79042ab3 1193 $MATH_FUNCS
be1a839c 1194 aligned_malloc
59782b82 1195 aligned_stack
35fd8122 1196 alsa_asoundlib_h
3f5b56e5 1197 altivec_h
c9fdab0d 1198 arpa_inet_h
ec9d2c15 1199 asm_mod_q
6308729e 1200 asm_mod_y
dffb41b9 1201 attribute_may_alias
e7ea5e3d 1202 attribute_packed
ecf97f22 1203 closesocket
1ac9331a 1204 cmov
15caccb9 1205 CommandLineToArgvW
180d43bc 1206 cpunop
1093383d 1207 CryptGenRandom
c88f5d72 1208 dcbzl
f8aa696f
DB
1209 dev_bktr_ioctl_bt848_h
1210 dev_bktr_ioctl_meteor_h
1211 dev_ic_bt8xx_h
f8aa696f 1212 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1213 dev_video_meteor_ioctl_meteor_h
ca6b544a 1214 direct_h
18b67ae5 1215 dlfcn_h
c88f5d72 1216 dlopen
bc574408 1217 dos_paths
fa845061 1218 dxva_h
245626d0
DB
1219 ebp_available
1220 ebx_available
c2a29455 1221 fast_64bit
669b5583 1222 fast_clz
7073e9fc 1223 fast_cmov
534a2231 1224 fcntl
9d99cc5a 1225 fork
84882df6 1226 getaddrinfo
da9e86f8 1227 gethrtime
667fb97a 1228 getopt
02e8f427 1229 GetProcessAffinityMask
fc5607f8 1230 GetProcessMemoryInfo
4e68cb8a 1231 GetProcessTimes
61183b5a 1232 GetSystemTimeAsFileTime
66be5b45 1233 getrusage
c3e73100 1234 getservbyport
61183b5a 1235 gettimeofday
a49d3025 1236 gnu_as
2f0c136e 1237 ibm_asm
2e1913b1 1238 inet_aton
3b1ab197 1239 io_h
abfc8d05 1240 isatty
8772997d 1241 jack_port_get_latency_range
9f5ff83f 1242 ldbrx
0b4a1821
AS
1243 libdc1394_1
1244 libdc1394_2
d96cd429
MR
1245 local_aligned_16
1246 local_aligned_8
a5b64584 1247 localtime_r
85dd97ad 1248 loongson
f8aa696f
DB
1249 machine_ioctl_bt848_h
1250 machine_ioctl_meteor_h
c88f5d72 1251 malloc_h
73f6d31e 1252 MapViewOfFile
c88f5d72 1253 memalign
6ffa87d3 1254 mkstemp
f80ddd5b 1255 mm_empty
0328b9ea 1256 mmap
e98b02de 1257 mprotect
4fa661a8 1258 msvcrt
d3d3a32c 1259 nanosleep
3e0b1c9a 1260 poll_h
1f91cdce 1261 posix_memalign
07b28702 1262 rdtsc
ea4d5f48 1263 sched_getaffinity
c88f5d72
MR
1264 sdl
1265 sdl_video_size
7e6a11bc 1266 SetConsoleTextAttribute
b507ebd1 1267 setmode
3e0b1c9a 1268 setrlimit
d3d3a32c 1269 Sleep
15d59d2c 1270 sndio_h
72be9e73 1271 socklen_t
deb29777 1272 soundcard_h
87958234 1273 strerror_r
6379900c 1274 strptime
47941088 1275 strtok_r
c0018613 1276 struct_addrinfo
75d339e0
MS
1277 struct_group_source_req
1278 struct_ip_mreq_source
b4d68544 1279 struct_ipv6_mreq
cdee08e3 1280 struct_pollfd
3e0b1c9a 1281 struct_rusage_ru_maxrss
b4d68544 1282 struct_sockaddr_in6
3b2372bf 1283 struct_sockaddr_sa_len
33a4dbdd 1284 struct_sockaddr_storage
a6a4793d 1285 struct_v4l2_frmivalenum_discrete
b462d132 1286 symver_asm_label
3e0b1c9a 1287 symver_gnu_asm
bcc73960 1288 sysconf
b9e22269 1289 sysctl
b58412f1 1290 sys_mman_h
06bb5905 1291 sys_param_h
b091aa44 1292 sys_resource_h
81644c2e 1293 sys_select_h
deb29777 1294 sys_soundcard_h
e64bceea 1295 sys_time_h
1b6e8b73 1296 sys_videoio_h
b265431e 1297 threads
542920b7 1298 unistd_h
d3d3a32c 1299 usleep
ce742de2 1300 vfp_args
7c5bfe7a 1301 VirtualAlloc
d3d3a32c 1302 windows_h
6ff3f3e7 1303 winsock2_h
cc078b5d 1304 xform_asm
6f74fb03 1305 xmm_clobbers
0cb78cef 1306"
44161118 1307
511cf612 1308# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1309CONFIG_EXTRA="
87849592 1310 aandcttables
bfe9f48a 1311 ac3dsp
c292f6a2 1312 error_resilience
bfe9f48a 1313 gcrypt
478fd534 1314 golomb
9cad0e4e 1315 gplv3
478fd534
DB
1316 h264chroma
1317 h264dsp
1318 h264pred
915a2a0a 1319 h264qpel
478fd534 1320 huffman
9cad0e4e 1321 lgplv3
478fd534 1322 lpc
1e164c0b 1323 mpegaudio
bfe9f48a 1324 mpegaudiodsp
18bbca1f 1325 mpegvideo
ad08dfd5 1326 mpegvideoenc
bfe9f48a 1327 nettle
f704a079 1328 rangecoder
bfe9f48a
DB
1329 rtpdec
1330 sinewin
8c53d39e 1331 videodsp
ab9f9876 1332 vp3dsp
b6bb00b0
MR
1333"
1334
520cc7f1 1335CMDLINE_SELECT="
3f5b56e5 1336 $ARCH_EXT_LIST
520cc7f1 1337 $CONFIG_LIST
fd712a55 1338 $HAVE_LIST_CMDLINE
8eee7025 1339 $THREADS_LIST
c8a4ae00 1340 asm
db6107b6 1341 cross_compile
520cc7f1
MR
1342 debug
1343 extra_warnings
8c6afa4d 1344 logging
65d12900 1345 lto
d2bbb2f7 1346 optimizations
520cc7f1 1347"
426be5dc
DB
1348
1349PATHS_LIST='
d156bede 1350 bindir
14a8acf1 1351 datadir
26759c44
MR
1352 incdir
1353 libdir
26759c44
MR
1354 mandir
1355 prefix
1356 shlibdir
426be5dc
DB
1357'
1358
1359CMDLINE_SET="
1360 $PATHS_LIST
121d78d0 1361 ar
426be5dc 1362 arch
313c46a6 1363 as
426be5dc
DB
1364 build_suffix
1365 cc
1366 cpu
1367 cross_prefix
50567afa 1368 dep_cc
ac63af34 1369 extra_version
9da6609f
MR
1370 host_cc
1371 host_cflags
095792f2 1372 host_ld
9da6609f
MR
1373 host_ldflags
1374 host_libs
82bb3329 1375 host_os
684b28e0 1376 ld
426be5dc 1377 logfile
4ae40685 1378 malloc_prefix
89641463 1379 nm
9cd7b854 1380 optflags
3f8040db 1381 pkg_config
154caa67 1382 random_seed
2fad0977 1383 samples
c5200f17
MR
1384 sysinclude
1385 sysroot
a7ada2ba 1386 target_exec
26759c44 1387 target_os
a7ada2ba 1388 target_path
aeeb782c 1389 toolchain
426be5dc 1390"
520cc7f1 1391
89f2932b
MR
1392CMDLINE_APPEND="
1393 extra_cflags
1394"
1395
912f3148
DB
1396# code dependency declarations
1397
9eeed841 1398# architecture extensions
808fa33c 1399
a2fc0f6a
MR
1400armv5te_deps="arm"
1401armv6_deps="arm"
ab5cb084 1402armv6t2_deps="arm"
808fa33c 1403neon_deps="arm"
b3267559
MR
1404vfp_deps="arm"
1405vfpv3_deps="vfp"
808fa33c 1406
637606de
MR
1407map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1408
808fa33c
MR
1409altivec_deps="ppc"
1410ppc4xx_deps="ppc"
1411
1412vis_deps="sparc"
1413
7f8c3d1f 1414x86_64_suggest="cmov fast_cmov"
50cd43f2 1415
808fa33c
MR
1416amd3dnow_deps="mmx"
1417amd3dnowext_deps="amd3dnow"
9eeed841 1418mmx_deps="x86"
239fdf1b 1419mmxext_deps="mmx"
50cd43f2
DB
1420sse_deps="mmxext"
1421sse2_deps="sse"
1422sse3_deps="sse2"
1423ssse3_deps="sse3"
1424sse4_deps="ssse3"
1425sse42_deps="sse4"
1426avx_deps="sse42"
79687079 1427fma4_deps="avx"
9eeed841 1428
43b73d59
DB
1429mmx_external_deps="yasm"
1430mmx_inline_deps="inline_asm"
1431mmx_suggest="mmx_external mmx_inline"
1432
1433for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1434 eval dep=\$${ext}_deps
1435 eval ${ext}_external_deps='"${dep}_external"'
1436 eval ${ext}_inline_deps='"${dep}_inline"'
1437 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1438done
1439
59782b82 1440aligned_stack_if_any="ppc x86"
e939cedd 1441fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
f0fe245b
MR
1442fast_clz_if_any="alpha avr32 mips ppc x86"
1443fast_unaligned_if_any="ppc x86"
669b5583 1444
6fec122a 1445inline_asm_deps="!tms470"
3e0b1c9a 1446need_memalign="altivec neon sse"
89e053f8 1447
b462d132
MR
1448symver_if_any="symver_asm_label symver_gnu_asm"
1449
88a35699
MS
1450log2_deps="!msvcrt"
1451
26fbcc85 1452# subsystems
dc609252 1453dct_select="rdft"
26fbcc85
MR
1454mdct_select="fft"
1455rdft_select="fft"
1e164c0b 1456mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1457mpegaudiodsp_select="dct"
ad08dfd5 1458mpegvideoenc_select="mpegvideo"
26fbcc85 1459
5666fd73 1460# decoders / encoders / hardware accelerators
cfc2a0cf 1461aac_decoder_select="mdct sinewin"
4538729a 1462aac_encoder_select="mdct sinewin"
136e19e1 1463aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1464ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1465ac3_encoder_select="mdct ac3dsp"
3d269059 1466ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1467alac_encoder_select="lpc"
b781cc12 1468amrnb_decoder_select="lsp"
2b2a597e 1469amrwb_decoder_select="lsp"
4538729a 1470atrac1_decoder_select="mdct sinewin"
26fbcc85 1471atrac3_decoder_select="mdct"
a33657ce
DB
1472binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1473binkaudio_rdft_decoder_select="mdct rdft sinewin"
18bbca1f 1474cavs_decoder_select="golomb mpegvideo"
9b500b8f 1475comfortnoise_encoder_select="lpc"
4538729a 1476cook_decoder_select="mdct sinewin"
2a91ada8 1477cscd_decoder_select="lzo"
2eef7c62 1478cscd_decoder_suggest="zlib"
26fbcc85 1479dca_decoder_select="mdct"
ad08dfd5 1480dnxhd_encoder_select="aandcttables mpegvideoenc"
2eef7c62 1481dxa_decoder_select="zlib"
baf91bb9 1482eac3_decoder_select="ac3_decoder"
4264a0dd 1483eac3_encoder_select="ac3_encoder"
69804535 1484eamad_decoder_select="aandcttables error_resilience mpegvideo"
87849592 1485eatgq_decoder_select="aandcttables"
c292f6a2 1486eatqi_decoder_select="aandcttables error_resilience mpegvideo"
f704a079
DB
1487ffv1_decoder_select="golomb rangecoder"
1488ffv1_encoder_select="rangecoder"
5a582bd3 1489ffvhuff_encoder_select="huffman"
4f034993 1490flac_decoder_select="golomb"
f4d608e3 1491flac_encoder_select="golomb lpc"
2eef7c62
AJ
1492flashsv_decoder_select="zlib"
1493flashsv_encoder_select="zlib"
c2d23309 1494flashsv2_decoder_select="zlib"
4414137e 1495flv_decoder_select="h263_decoder"
4d4b4bd1 1496flv_encoder_select="h263_encoder"
3447f12d 1497fraps_decoder_select="huffman"
c292f6a2 1498h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1499h261_encoder_select="aandcttables mpegvideoenc"
c292f6a2
DB
1500h263_decoder_select="error_resilience h263_parser mpegvideo"
1501h263_encoder_select="aandcttables error_resilience mpegvideoenc"
95a61cfc 1502h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1503h263i_decoder_select="h263_decoder"
fe629c2d 1504h263p_encoder_select="h263_encoder"
c292f6a2 1505h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
92c6a099
LA
1506h264_dxva2_hwaccel_deps="dxva2api_h"
1507h264_dxva2_hwaccel_select="dxva2 h264_decoder"
76718f3f 1508h264_vaapi_hwaccel_select="vaapi h264_decoder"
ac3dbb4d 1509h264_vda_hwaccel_select="vda h264_decoder"
95a61cfc 1510h264_vdpau_decoder_select="vdpau h264_decoder"
5a582bd3 1511huffyuv_encoder_select="huffman"
19be0f3c 1512iac_decoder_select="fft mdct sinewin"
56c8227d 1513imc_decoder_select="fft mdct sinewin"
4f034993
MR
1514jpegls_decoder_select="golomb"
1515jpegls_encoder_select="golomb"
ad08dfd5 1516ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1517loco_decoder_select="golomb"
c292f6a2 1518mdec_decoder_select="error_resilience mpegvideo"
ad08dfd5 1519mjpeg_encoder_select="aandcttables mpegvideoenc"
2cca233b 1520mlp_decoder_select="mlp_parser"
1e164c0b
DB
1521mp1_decoder_select="mpegaudio"
1522mp1float_decoder_select="mpegaudio"
1523mp2_decoder_select="mpegaudio"
1524mp2float_decoder_select="mpegaudio"
1525mp3_decoder_select="mpegaudio"
1526mp3adu_decoder_select="mpegaudio"
1527mp3adufloat_decoder_select="mpegaudio"
1528mp3float_decoder_select="mpegaudio"
1529mp3on4_decoder_select="mpegaudio"
1530mp3on4float_decoder_select="mpegaudio"
606c9297
DB
1531mpc7_decoder_select="mpegaudiodsp"
1532mpc8_decoder_select="mpegaudiodsp"
95a61cfc 1533mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
3e0b1c9a
DB
1534mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1535mpeg_xvmc_decoder_select="mpegvideo_decoder"
95a61cfc 1536mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
c292f6a2
DB
1537mpeg1video_decoder_select="error_resilience mpegvideo"
1538mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
164aab02
LA
1539mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1540mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1541mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
c292f6a2
DB
1542mpeg2video_decoder_select="error_resilience mpegvideo"
1543mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
3e0b1c9a
DB
1544mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1545mpeg4_encoder_select="h263_encoder"
95a61cfc 1546mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1547mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8c53d39e 1548mpegvideo_select="videodsp"
4414137e 1549msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1550msmpeg4v1_encoder_select="h263_encoder"
4414137e 1551msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1552msmpeg4v2_encoder_select="h263_encoder"
4414137e 1553msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1554msmpeg4v3_encoder_select="h263_encoder"
ee769c6a 1555mss2_decoder_select="vc1_decoder"
4538729a
MR
1556nellymoser_decoder_select="mdct sinewin"
1557nellymoser_encoder_select="mdct sinewin"
2a91ada8 1558nuv_decoder_select="lzo"
2eef7c62
AJ
1559png_decoder_select="zlib"
1560png_encoder_select="zlib"
b781cc12 1561qcelp_decoder_select="lsp"
c4f5c2d6 1562qdm2_decoder_select="mdct rdft mpegaudiodsp"
31ed3f1f 1563ra_144_encoder_select="lpc"
9f43fdda 1564ralf_decoder_select="golomb"
a8beb22f 1565rv10_decoder_select="h263_decoder"
b2bf38b4 1566rv10_encoder_select="h263_encoder"
a8beb22f 1567rv20_decoder_select="h263_decoder"
b2bf38b4 1568rv20_encoder_select="h263_encoder"
c292f6a2
DB
1569rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1570rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
4f034993 1571shorten_decoder_select="golomb"
b781cc12 1572sipr_decoder_select="lsp"
f704a079
DB
1573snow_decoder_select="dwt rangecoder"
1574snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
c292f6a2
DB
1575svq1_decoder_select="error_resilience mpegvideo"
1576svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1577svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
bee2eac5 1578svq3_decoder_suggest="zlib"
4eef77c1 1579theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1580tiff_decoder_suggest="zlib"
1581tiff_encoder_suggest="zlib"
aec09a00 1582truehd_decoder_select="mlp_decoder"
2eef7c62 1583tscc_decoder_select="zlib"
4538729a 1584twinvq_decoder_select="mdct lsp sinewin"
aa661113 1585utvideo_encoder_select="huffman"
915a2a0a 1586vc1_decoder_select="h263_decoder h264chroma h264qpel"
562ebc30 1587vc1_dxva2_hwaccel_deps="dxva2api_h"
f0f86627 1588vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1589vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1590vc1_vdpau_decoder_select="vdpau vc1_decoder"
45ecda85 1591vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1592vorbis_decoder_select="mdct"
1593vorbis_encoder_select="mdct"
8c53d39e
RB
1594vp3_decoder_select="vp3dsp videodsp"
1595vp5_decoder_select="vp3dsp videodsp"
1596vp6_decoder_select="huffman vp3dsp videodsp"
e82dc4c9
DB
1597vp6a_decoder_select="vp6_decoder"
1598vp6f_decoder_select="vp6_decoder"
8c53d39e 1599vp8_decoder_select="h264pred videodsp"
4538729a
MR
1600wmapro_decoder_select="mdct sinewin"
1601wmav1_decoder_select="mdct sinewin"
1602wmav1_encoder_select="mdct sinewin"
1603wmav2_decoder_select="mdct sinewin"
1604wmav2_encoder_select="mdct sinewin"
1605wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1606wmv1_decoder_select="h263_decoder"
665507aa 1607wmv1_encoder_select="h263_encoder"
f95bfab0 1608wmv2_decoder_select="h263_decoder"
1746e2a9 1609wmv2_encoder_select="h263_encoder"
015f8ee0 1610wmv3_decoder_select="vc1_decoder"
f0f86627 1611wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1612wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1613wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
45ecda85 1614wmv3image_decoder_select="wmv3_decoder"
0e714f88 1615zerocodec_decoder_select="zlib"
2eef7c62
AJ
1616zlib_decoder_select="zlib"
1617zlib_encoder_select="zlib"
1618zmbv_decoder_select="zlib"
1619zmbv_encoder_select="zlib"
30fd06be 1620
0afab17e 1621vaapi_deps="va_va_h"
ac3dbb4d 1622vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
c89c96e9
MR
1623vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1624
28b80940 1625# parsers
c292f6a2
DB
1626h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1627mpeg4video_parser_select="error_resilience mpegvideo"
1628mpegvideo_parser_select="error_resilience mpegvideo"
1629vc1_parser_select="error_resilience mpegvideo"
28b80940 1630
912f3148 1631# external libraries
c9171a83 1632libfaac_encoder_deps="libfaac"
37eeb5e2 1633libfdk_aac_encoder_deps="libfdk_aac"
299c77d5
MR
1634libgsm_decoder_deps="libgsm"
1635libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1636libgsm_ms_decoder_deps="libgsm"
1637libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1638libilbc_decoder_deps="libilbc"
1639libilbc_encoder_deps="libilbc"
1cc60c47 1640libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1641libopencore_amrnb_decoder_deps="libopencore_amrnb"
1642libopencore_amrnb_encoder_deps="libopencore_amrnb"
1643libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1644libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1645libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1646libopus_decoder_deps="libopus"
6cb8c854 1647libopus_encoder_deps="libopus"
f7cd9eed
AS
1648libschroedinger_decoder_deps="libschroedinger"
1649libschroedinger_encoder_deps="libschroedinger"
ae14f311 1650libspeex_decoder_deps="libspeex"
b606a017 1651libspeex_encoder_deps="libspeex"
150d2772 1652libtheora_encoder_deps="libtheora"
d89e738a 1653libvo_aacenc_encoder_deps="libvo_aacenc"
f502ff3f 1654libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1655libvorbis_encoder_deps="libvorbis"
8299a7f8 1656libvpx_decoder_deps="libvpx"
ee0e9146 1657libvpx_encoder_deps="libvpx"
1cc60c47 1658libx264_encoder_deps="libx264"
de295976 1659libxavs_encoder_deps="libxavs"
1cc60c47 1660libxvid_encoder_deps="libxvid"
30fd06be 1661
912f3148 1662# demuxers / muxers
c2dd0e9e 1663ac3_demuxer_select="ac3_parser"
647c2356 1664asf_stream_muxer_select="asf_muxer"
4e622dea 1665avisynth_demuxer_deps="avisynth"
c2dd0e9e 1666dirac_demuxer_select="dirac_parser"
5b423887 1667eac3_demuxer_select="ac3_parser"
c2dd0e9e 1668flac_demuxer_select="flac_parser"
647c2356 1669ipod_muxer_select="mov_muxer"
31f16dc1 1670ismv_muxer_select="mov_muxer"
647c2356 1671matroska_audio_muxer_select="matroska_muxer"
2a91ada8 1672matroska_demuxer_suggest="bzlib lzo zlib"
4e622dea 1673mov_demuxer_suggest="zlib"
c2dd0e9e 1674mp3_demuxer_select="mpegaudio_parser"
647c2356 1675mp4_muxer_select="mov_muxer"
18bbca1f 1676mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
647c2356
DB
1677mpegtsraw_demuxer_select="mpegts_demuxer"
1678mxf_d10_muxer_select="mxf_muxer"
24ca518b 1679ogg_demuxer_select="golomb"
647c2356 1680psp_muxer_select="mov_muxer"
44594cc7 1681rtp_demuxer_select="sdp_demuxer"
18bbca1f 1682rtp_muxer_select="mpegvideo"
44b70ce5
MS
1683rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1684rtsp_demuxer_select="http_protocol rtpdec"
1685rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
01c8d258 1686sap_demuxer_select="sdp_demuxer"
2aab70c4 1687sap_muxer_select="rtp_muxer rtp_protocol"
44b70ce5 1688sdp_demuxer_select="rtpdec"
e772f9fa 1689smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1690spdif_muxer_select="aac_parser"
57231e4d 1691tak_demuxer_select="tak_parser"
647c2356
DB
1692tg2_muxer_select="mov_muxer"
1693tgp_muxer_select="mov_muxer"
6bdaa5f4 1694w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1695
1696# indevs / outdevs
38e54a75 1697alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1698alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1699bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1700dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1701fbdev_indev_deps="linux_fb_h"
38e54a75 1702jack_indev_deps="jack_jack_h"
e417d80d 1703libcdio_indev_deps="libcdio"
38e54a75 1704libdc1394_indev_deps="libdc1394"
38e54a75
SS
1705oss_indev_deps_any="soundcard_h sys_soundcard_h"
1706oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1707pulse_indev_deps="libpulse"
15d59d2c
B
1708sndio_indev_deps="sndio_h"
1709sndio_outdev_deps="sndio_h"
38e54a75 1710v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1711vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1712vfwcap_indev_extralibs="-lavicap32"
24f8961f 1713x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1714
912f3148 1715# protocols
acd554c1
SP
1716ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1717ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1718ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1719ffrtmphttp_protocol_deps="!librtmp_protocol"
1720ffrtmphttp_protocol_select="http_protocol"
998c1ee1 1721gopher_protocol_select="network"
c40e1757 1722httpproxy_protocol_select="tcp_protocol"
279a0c97 1723http_protocol_select="tcp_protocol"
183baead 1724https_protocol_select="tls_protocol"
c3b57d6e
DB
1725librtmp_protocol_deps="librtmp"
1726librtmpe_protocol_deps="librtmp"
1727librtmps_protocol_deps="librtmp"
1728librtmpt_protocol_deps="librtmp"
1729librtmpte_protocol_deps="librtmp"
c60a2d70 1730mmsh_protocol_select="http_protocol"
998c1ee1 1731mmst_protocol_select="network"
c3b57d6e 1732rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1733rtmp_protocol_select="tcp_protocol"
acd554c1 1734rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1735rtmps_protocol_deps="!librtmp_protocol"
1736rtmps_protocol_select="tls_protocol"
775c4d36 1737rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1738rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1739rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1740rtp_protocol_select="udp_protocol"
998c1ee1
DB
1741sctp_protocol_deps="struct_sctp_event_subscribe"
1742sctp_protocol_select="network"
1743tcp_protocol_select="network"
558d192d
MS
1744tls_protocol_deps_any="openssl gnutls"
1745tls_protocol_select="tcp_protocol"
998c1ee1 1746udp_protocol_select="network"
c08fb000 1747
6ebf0bfc 1748# filters
13fabd7a 1749blackframe_filter_deps="gpl"
ce6b6ef6 1750boxblur_filter_deps="gpl"
68b79bfc 1751cropdetect_filter_deps="gpl"
b157be1f 1752delogo_filter_deps="gpl"
a5b64584 1753drawtext_filter_deps="libfreetype"
2e5ff4d0 1754frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1755frei0r_filter_extralibs='$ldl'
a42bb9d6 1756frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1757frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1758hqdn3d_filter_deps="gpl"
d371e7b9 1759resample_filter_deps="avresample"
cf69ad35 1760ocv_filter_deps="libopencv"
2f296e39 1761scale_filter_deps="swscale"
acbac567 1762yadif_filter_deps="gpl"
6ebf0bfc 1763
5a0f7131 1764# libraries
d89f2fa9
DB
1765avcodec_deps="avutil"
1766avdevice_deps="avutil avcodec avformat"
1767avfilter_deps="avutil"
1768avformat_deps="avutil avcodec"
1769avresample_deps="avutil"
1770swscale_deps="avutil"
f7679c54 1771
912f3148 1772# programs
54fd593a 1773avconv_deps="avcodec avfilter avformat avresample swscale"
0a0e340f
DB
1774avconv_select="aformat_filter anull_filter asyncts_filter format_filter
1775 fps_filter null_filter resample_filter scale_filter
1776 setpts_filter"
d173ede1 1777avplay_deps="avcodec avformat avresample swscale sdl"
266463da 1778avplay_select="rdft"
9e12f0bf 1779avprobe_deps="avcodec avformat"
b263bf66 1780avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1781avserver_extralibs='$ldl'
a2830dca 1782
c73f65d9 1783doc_deps="texi2html"
912f3148 1784
de6d9b64 1785# default parameters
8a608357 1786
19bd477d 1787logfile="config.log"
8a608357
MR
1788
1789# installation paths
c9d19248
MR
1790prefix_default="/usr/local"
1791bindir_default='${prefix}/bin'
6291d7e4 1792datadir_default='${prefix}/share/avconv'
c9d19248
MR
1793incdir_default='${prefix}/include'
1794libdir_default='${prefix}/lib'
1795mandir_default='${prefix}/share/man'
1796shlibdir_default="$libdir_default"
8a608357
MR
1797
1798# toolchain
121d78d0 1799ar_default="ar"
13c7df3d 1800cc_default="gcc"
9da6609f 1801host_cc_default="gcc"
4ebc6a74 1802cp_f="cp -f"
11e6d03a 1803ln_s="ln -sf"
2a8a860a 1804nm_default="nm -g"
11e6d03a 1805objformat="elf"
3f8040db 1806pkg_config_default=pkg-config
be7109c1 1807ranlib="ranlib"
11e6d03a 1808yasmexe="yasm"
8a608357 1809
3e0b1c9a 1810nogas=":"
8182dc34 1811
8a608357 1812# machine
8d4c00ed 1813arch_default=$(uname -m)
38d0a8aa 1814cpu="generic"
8a608357 1815
8a608357 1816# OS
8d4c00ed
MR
1817target_os_default=$(tolower $(uname -s))
1818host_os=$target_os_default
8a608357 1819
8a608357 1820# configurable options
d89f2fa9 1821enable $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 1822
3e0b1c9a
DB
1823enable asm
1824enable debug
1825enable doc
8400d6b8 1826enable optimizations
8cfbbd92 1827enable safe_bitstream_reader
530dc538 1828enable static
a9ddb5b1 1829enable swscale_alpha
8a608357 1830
8a608357 1831# build settings
9987769a 1832SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1833AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1834LIBPREF="lib"
1835LIBSUF=".a"
c5f14466
RP
1836FULLNAME='$(NAME)$(BUILDSUF)'
1837LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1838SLIBPREF="lib"
1839SLIBSUF=".so"
c5f14466 1840SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1841SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1842SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1843LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1844SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1845SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1846
68485d1f
MR
1847asflags_filter=echo
1848cflags_filter=echo
64933b6c
MR
1849ldflags_filter=echo
1850
23565c26 1851AS_C='-c'
bc877faf 1852AS_O='-o $@'
23565c26 1853CC_C='-c'
18031c49 1854CC_E='-E -o $@'
7e6c86e6 1855CC_O='-o $@'
a758c5e2 1856LD_O='-o $@'
8db73c61
MR
1857LD_LIB='-l%'
1858LD_PATH='-L'
23565c26 1859HOSTCC_C='-c'
a758c5e2 1860HOSTCC_O='-o $@'
095792f2 1861HOSTLD_O='-o $@'
7e6c86e6 1862
1d01fee9 1863host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
9da6609f 1864host_libs='-lm'
6c3fa06a
MR
1865host_cflags_filter=echo
1866host_ldflags_filter=echo
9da6609f 1867
9b861379 1868target_path='$(CURDIR)'
a7ada2ba 1869
a158446b
MR
1870# since the object filename is not given with the -MM flag, the compiler
1871# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
1872DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1873DEPFLAGS='-MM'
315c741d 1874
c597172e 1875# find source path
24524f36 1876if test -f configure; then
f038cf3c 1877 source_path=.
c597172e 1878else
8477f2de 1879 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1880 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1881 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1882 test -e "$source_path/config.h" &&
1883 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1884fi
1885
13cbe2c0 1886for v in "$@"; do
b04251c5
MR
1887 r=${v#*=}
1888 l=${v%"$r"}
1889 r=$(sh_quote "$r")
29ba0911 1890 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1891done
c597172e 1892
73ef8980
MR
1893find_things(){
1894 thing=$1
1895 pattern=$2
1896 file=$source_path/$3
932ccf39 1897 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1898}
1899
1900ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1901DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1902HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1903PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1904BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1905MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1906DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1907OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1908INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1909PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1910FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1911
54e75be4
DB
1912ALL_COMPONENTS="
1913 $BSF_LIST
1914 $DECODER_LIST
1915 $DEMUXER_LIST
1916 $ENCODER_LIST
1917 $FILTER_LIST
1918 $HWACCEL_LIST
1919 $INDEV_LIST
1920 $MUXER_LIST
1921 $OUTDEV_LIST
1922 $PARSER_LIST
1923 $PROTOCOL_LIST
1924"
1925
8469ae22
MR
1926for n in $COMPONENT_LIST; do
1927 v=$(toupper ${n%s})_LIST
1928 eval enable \$$v
1929 eval ${n}_if_any="\$$v"
1930done
1931
4b587848
DB
1932disable snow_decoder snow_encoder
1933
206a070d 1934enable $ARCH_EXT_LIST
c597172e
MR
1935
1936die_unknown(){
1937 echo "Unknown option \"$1\"."
1938 echo "See $0 --help for available options."
1939 exit 1
1940}
1941
794f8e97 1942show_list() {
bf0c4afa
RP
1943 suffix=_$1
1944 shift
2b444ea7 1945 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1946 exit 0
1947}
1948
154caa67
MR
1949rand_list(){
1950 IFS=', '
1951 set -- $*
1952 unset IFS
1953 for thing; do
1954 comp=${thing%:*}
1955 prob=${thing#$comp}
1956 prob=${prob#:}
1957 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1958 echo "prob ${prob:-0.5}"
1959 printf '%s\n' $comp
1960 done
1961}
1962
1963do_random(){
1964 action=$1
1965 shift
1966 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1967 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1968}
1969
c597172e 1970for opt do
7483e694
DB
1971 optval="${opt#*=}"
1972 case "$opt" in
ea061af1
DB
1973 --extra-ldflags=*)
1974 add_ldflags $optval
7e9e7cc2 1975 ;;
ea061af1
DB
1976 --extra-libs=*)
1977 add_extralibs $optval
7e9e7cc2 1978 ;;
ea061af1
DB
1979 --disable-devices)
1980 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 1981 ;;
ea061af1
DB
1982 --enable-debug=*)
1983 debuglevel="$optval"
7e9e7cc2
MR
1984 ;;
1985 --disable-programs)
1986 disable $PROGRAM_LIST
1987 ;;
1988 --disable-everything)
1989 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1990 ;;
1991 --enable-random|--disable-random)
1992 action=${opt%%-random}
1993 do_random ${action#--} $COMPONENT_LIST
1994 ;;
1995 --enable-random=*|--disable-random=*)
1996 action=${opt%%-random=*}
1997 do_random ${action#--} $optval
1998 ;;
1999 --enable-*=*|--disable-*=*)
2000 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2001 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2002 eval list=\$$(toupper $thing)_LIST
2003 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2004 $action $(filter "$name" $list)
2005 ;;
2006 --enable-?*|--disable-?*)
2007 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2008 if is_in $option $COMPONENT_LIST; then
2009 test $action = disable && action=unset
2010 eval $action \$$(toupper ${option%s})_LIST
2011 elif is_in $option $CMDLINE_SELECT; then
2012 $action $option
2013 else
2014 die_unknown $opt
2015 fi
2016 ;;
2017 --list-*)
2018 NAME="${opt#--list-}"
2019 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2020 NAME=${NAME%s}
2021 eval show_list $NAME \$$(toupper $NAME)_LIST
2022 ;;
2023 --help|-h) show_help
2024 ;;
2025 *)
2026 optname="${opt%%=*}"
2027 optname="${optname#--}"
2028 optname=$(echo "$optname" | sed 's/-/_/g')
2029 if is_in $optname $CMDLINE_SET; then
2030 eval $optname='$optval'
2031 elif is_in $optname $CMDLINE_APPEND; then
2032 append $optname "$optval"
2033 else
2034 die_unknown $opt
2035 fi
2036 ;;
7483e694 2037 esac
c597172e
MR
2038done
2039
bcea99bb
MR
2040disabled logging && logfile=/dev/null
2041
29ba0911 2042echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2043set >> $logfile
2044
9da6609f
MR
2045test -n "$cross_prefix" && enable cross_compile
2046
8d4c00ed
MR
2047if enabled cross_compile; then
2048 test -n "$arch" && test -n "$target_os" ||
2049 die "Must specify target arch and OS when cross-compiling"
2050fi
2051
121d78d0 2052ar_default="${cross_prefix}${ar_default}"
11e6d03a 2053cc_default="${cross_prefix}${cc_default}"
20e0ed95 2054nm_default="${cross_prefix}${nm_default}"
3f8040db 2055pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2056ranlib="${cross_prefix}${ranlib}"
adb2b908 2057
c5200f17
MR
2058sysinclude_default="${sysroot}/usr/include"
2059
aeeb782c 2060case "$toolchain" in
0fbb62a8
LB
2061 clang-asan)
2062 cc_default="clang"
2063 add_cflags -faddress-sanitizer
2064 add_ldflags -faddress-sanitizer
2065 ;;
2066 clang-tsan)
2067 cc_default="clang"
2068 add_cflags -fthread-sanitizer
2069 add_ldflags -fthread-sanitizer
2070 ;;
aeeb782c
MR
2071 msvc)
2072 cc_default="c99wrap cl"
2073 ld_default="c99wrap link"
2074 nm_default="dumpbin -symbols"
ac3a9b51 2075 ar_default="lib"
53e8cd68 2076 target_os_default="win32"
aeeb782c
MR
2077 ;;
2078 ?*)
2079 die "Unknown toolchain $toolchain"
2080 ;;
2081esac
2082
53e8cd68 2083set_default arch cc pkg_config sysinclude target_os
9da6609f
MR
2084enabled cross_compile || host_cc_default=$cc
2085set_default host_cc
13c7df3d 2086
762f95e4
MR
2087if ! $pkg_config --version >/dev/null 2>&1; then
2088 warn "$pkg_config not found, library detection may fail."
2089 pkg_config=false
2090fi
2091
82bb3329
MR
2092exesuf() {
2093 case $1 in
53e8cd68 2094 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2095 esac
2096}
2097
2098EXESUF=$(exesuf $target_os)
2099HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2100
e4e69e0b 2101# set temporary file name
a49d42c2 2102: ${TMPDIR:=$TEMPDIR}
c51fafa1 2103: ${TMPDIR:=$TMP}
a49d42c2 2104: ${TMPDIR:=/tmp}
e4e69e0b 2105
a210bce2 2106if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2107 # simple replacement for missing mktemp
2108 # NOT SAFE FOR GENERAL USE
2109 mktemp(){
09a5c245 2110 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2111 }
2112fi
2113
2114tmpfile(){
2115 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2116 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2117 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2118 append TMPFILES $tmp
2119 eval $1=$tmp
2120}
2121
2122trap 'rm -f -- $TMPFILES' EXIT
54460a83 2123
55127e7b 2124tmpfile TMPASM .asm
3e0b1c9a
DB
2125tmpfile TMPC .c
2126tmpfile TMPE $EXESUF
2127tmpfile TMPH .h
2128tmpfile TMPO .o
2129tmpfile TMPS .S
2130tmpfile TMPSH .sh
2131tmpfile TMPV .ver
54460a83
MR
2132
2133unset -f mktemp
e4e69e0b 2134
fb3c4ffc
MR
2135chmod +x $TMPE
2136
993f2d0f
MR
2137# make sure we can execute files in $TMPDIR
2138cat > $TMPSH 2>> $logfile <<EOF
2139#! /bin/sh
2140EOF
2141chmod +x $TMPSH >> $logfile 2>&1
2142if ! $TMPSH >> $logfile 2>&1; then
2143 cat <<EOF
2144Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2145variable to another directory and make sure that it is not mounted noexec.
2146EOF
2147 die "Sanity test failed."
2148fi
993f2d0f 2149
457cc333
MR
2150ccc_flags(){
2151 for flag; do
2152 case $flag in
2153 -std=c99) echo -c99 ;;
2154 -mcpu=*) echo -arch ${flag#*=} ;;
2155 -mieee) echo -ieee ;;
2156 -O*|-fast) echo $flag ;;
2157 -fno-math-errno) echo -assume nomath_errno ;;
2158 -g) echo -g3 ;;
2159 -Wall) echo -msg_enable level2 ;;
2160 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2161 -Wl,*) echo $flag ;;
2162 -f*|-W*) ;;
2163 *) echo $flag ;;
2164 esac
2165 done
2166}
2167
dfa559bc
RB
2168msvc_flags(){
2169 for flag; do
2170 case $flag in
2171 -fomit-frame-pointer) echo -Oy ;;
2172 -g) echo -Z7 ;;
2173 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2174 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4a185ed2 2175 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
d66c52c2 2176 -wd4996 -wd4273 ;;
dfa559bc
RB
2177 -std=c99) ;;
2178 -fno-math-errno) ;;
2179 -fno-common) ;;
2180 -fno-signed-zeros) ;;
2181 -lz) echo zlib.lib ;;
bd680c7b
DB
2182 -lavifil32) echo vfw32.lib ;;
2183 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2184 -l*) echo ${flag#-l}.lib ;;
2185 *) echo $flag ;;
2186 esac
2187 done
2188}
2189
d0c6d424
MR
2190pgi_flags(){
2191 for flag; do
2192 case $flag in
643933f5 2193 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2194 -fomit-frame-pointer) echo -Mnoframe ;;
2195 -g) echo -gopt ;;
2196 *) echo $flag ;;
2197 esac
2198 done
2199}
2200
2201suncc_flags(){
2202 for flag; do
2203 case $flag in
2204 -march=*|-mcpu=*)
2205 case "${flag#*=}" in
2206 native) echo -xtarget=native ;;
2207 v9|niagara) echo -xarch=sparc ;;
2208 ultrasparc) echo -xarch=sparcvis ;;
2209 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2210 i586|pentium) echo -xchip=pentium ;;
2211 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2212 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2213 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2214 pentium4*) echo -xtarget=pentium4 ;;
2215 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2216 *-sse3) echo -xarch=sse3 ;;
2217 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2218 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2219 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2220 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
d0c6d424
MR
2221 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2222 k8|opteron|athlon64|athlon-fx)
2223 echo -xarch=sse2a ;;
2224 athlon*) echo -xarch=pentium_proa ;;
2225 esac
2226 ;;
2227 -std=c99) echo -xc99 ;;
2228 -fomit-frame-pointer) echo -xregs=frameptr ;;
2229 -fPIC) echo -KPIC -xcode=pic32 ;;
2230 -W*,*) echo $flag ;;
2231 -f*-*|-W*) ;;
2232 *) echo $flag ;;
2233 esac
2234 done
2235}
2236
2237tms470_flags(){
2238 for flag; do
2239 case $flag in
2240 -march=*|-mcpu=*)
2241 case "${flag#*=}" in
2242 armv7-a|cortex-a*) echo -mv=7a8 ;;
2243 armv7-r|cortex-r*) echo -mv=7r4 ;;
2244 armv7-m|cortex-m*) echo -mv=7m3 ;;
2245 armv6*|arm11*) echo -mv=6 ;;
2246 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2247 echo -mv=5e ;;
2248 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2249 esac
2250 ;;
2251 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2252 -mfpu=vfp) echo --float_support=vfpv2 ;;
2253 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2254 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2255 -msoft-float) echo --float_support=vfplib ;;
2256 -O[0-3]|-mf=*) echo $flag ;;
2257 -g) echo -g -mn ;;
2258 -pds=*) echo $flag ;;
ad93dccb
MR
2259 -D*|-I*) echo $flag ;;
2260 --gcc|--abi=*) echo $flag ;;
2261 -me) echo $flag ;;
d0c6d424
MR
2262 esac
2263 done
2264}
2265
a758c5e2
MR
2266probe_cc(){
2267 pfx=$1
2268 _cc=$2
2269
8db73c61
MR
2270 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2271 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2272 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2273 _flags_filter=echo
2274
2275 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2276 _type=llvm_gcc
2277 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2278 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2279 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2280 _cflags_speed='-O3'
2281 _cflags_size='-Os'
2282 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2283 _type=gcc
2284 gcc_version=$($_cc --version | head -n1)
2285 gcc_basever=$($_cc -dumpversion)
2286 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2287 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2288 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2289 if ! $_cc -dumpversion | grep -q '^2\.'; then
2290 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2291 fi
2292 _cflags_speed='-O3'
2293 _cflags_size='-Os'
2294 elif $_cc --version 2>/dev/null | grep -q Intel; then
2295 _type=icc
2296 _ident=$($_cc --version | head -n1)
2297 _depflags='-MMD'
2298 _cflags_speed='-O3'
2299 _cflags_size='-Os'
2300 _cflags_noopt='-O1'
2301 elif $_cc -v 2>&1 | grep -q xlc; then
2302 _type=xlc
2303 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2304 _cflags_speed='-O5'
2305 _cflags_size='-O5 -qcompact'
2306 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2307 _type=ccc
2308 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2309 _DEPFLAGS='-M'
a758c5e2
MR
2310 _cflags_speed='-fast'
2311 _cflags_size='-O1'
457cc333 2312 _flags_filter=ccc_flags
a758c5e2
MR
2313 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2314 test -d "$sysroot" || die "No valid sysroot specified."
2315 _type=armcc
2316 _ident=$($_cc --vsn | head -n1)
2317 armcc_conf="$PWD/armcc.conf"
2318 $_cc --arm_linux_configure \
2319 --arm_linux_config_file="$armcc_conf" \
2320 --configure_sysroot="$sysroot" \
2321 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2322 die "Error creating armcc configuration file."
2323 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2324 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2325 as_default="${cross_prefix}gcc"
2326 _depflags='-MMD'
2327 _cflags_speed='-O3'
2328 _cflags_size='-Os'
0122118e 2329 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2330 _type=tms470
2331 _ident=$($_cc -version | head -n1 | tr -s ' ')
2332 _flags='--gcc --abi=eabi -me'
18031c49 2333 _cc_e='-ppl -fe=$@'
a758c5e2 2334 _cc_o='-fe=$@'
a758c5e2
MR
2335 _depflags='-ppa -ppd=$(@:.o=.d)'
2336 _cflags_speed='-O3 -mf=5'
2337 _cflags_size='-O3 -mf=2'
2338 _flags_filter=tms470_flags
2339 elif $_cc -v 2>&1 | grep -q clang; then
2340 _type=clang
2341 _ident=$($_cc --version | head -n1)
2342 _depflags='-MMD'
2343 _cflags_speed='-O3'
2344 _cflags_size='-Os'
2345 elif $_cc -V 2>&1 | grep -q Sun; then
2346 _type=suncc
2347 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2348 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2349 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2350 _ldflags='-std=c99'
2351 _cflags_speed='-O5'
2352 _cflags_size='-O5 -xspace'
2353 _flags_filter=suncc_flags
2354 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2355 _type=pathscale
2356 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2357 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2358 _cflags_speed='-O2'
2359 _cflags_size='-Os'
2360 _flags_filter='filter_out -Wdisabled-optimization'
2361 elif $_cc -v 2>&1 | grep -q Open64; then
2362 _type=open64
2363 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2364 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2365 _cflags_speed='-O2'
2366 _cflags_size='-Os'
2367 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2368 elif $_cc -V 2>&1 | grep -q Portland; then
2369 _type=pgi
2370 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2371 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2372 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2373 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2374 _cflags_noopt="-O1"
2375 _flags_filter=pgi_flags
dfa559bc
RB
2376 elif $_cc 2>&1 | grep -q Microsoft; then
2377 _type=msvc
2378 _ident=$($cc 2>&1 | head -n1)
2379 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2380 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2381 _cflags_speed="-O2"
2382 _cflags_size="-O1"
2383 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2384 if $_cc 2>&1 | grep -q Linker; then
2385 _ld_o='-out $@'
2386 else
2387 _ld_o='-Fe$@'
2388 fi
2389 _cc_o='-Fo $@'
a224b2cb 2390 _cc_e='-P -Fi $@'
dfa559bc
RB
2391 _flags_filter=msvc_flags
2392 _ld_lib='lib%.a'
2393 _ld_path='-libpath:'
2394 _flags='-nologo'
2395 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2396 if [ $pfx = hostcc ]; then
6a0200f2 2397 append _cflags -Dsnprintf=_snprintf
dfa559bc 2398 fi
aef6bd1b 2399 fi
a758c5e2
MR
2400
2401 eval ${pfx}_type=\$_type
2402 eval ${pfx}_ident=\$_ident
2403}
2404
2405set_ccvars(){
23565c26 2406 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2407 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2408 eval ${1}_O=\${_cc_o-\${${1}_O}}
2409
2410 if [ -n "$_depflags" ]; then
2411 eval ${1}_DEPFLAGS=\$_depflags
2412 else
2413 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2414 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2415 eval DEP${1}FLAGS=\$_flags
2416 fi
2417}
2418
2419probe_cc cc "$cc"
2420cflags_filter=$_flags_filter
2421cflags_speed=$_cflags_speed
2422cflags_size=$_cflags_size
2423cflags_noopt=$_cflags_noopt
2424add_cflags $_flags $_cflags
2425cc_ldflags=$_ldflags
2426set_ccvars CC
2427
2428probe_cc hostcc "$host_cc"
2429host_cflags_filter=$_flags_filter
a758c5e2 2430add_host_cflags $_flags $_cflags
a758c5e2 2431set_ccvars HOSTCC
629687f6 2432
851ffa80
MR
2433test -n "$cc_type" && enable $cc_type ||
2434 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2435
75bafbac 2436: ${as_default:=$cc}
50567afa 2437: ${dep_cc_default:=$cc}
684b28e0 2438: ${ld_default:=$cc}
095792f2
MR
2439: ${host_ld_default:=$host_cc}
2440set_default ar as dep_cc ld host_ld
75800dce 2441
a758c5e2
MR
2442probe_cc as "$as"
2443asflags_filter=$_flags_filter
2444add_asflags $_flags $_cflags
2445set_ccvars AS
2446
2447probe_cc ld "$ld"
2448ldflags_filter=$_flags_filter
2449add_ldflags $_flags $_ldflags
2450test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2451LD_O=${_ld_o-$LD_O}
8db73c61
MR
2452LD_LIB=${_ld_lib-$LD_LIB}
2453LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2454
095792f2
MR
2455probe_cc hostld "$host_ld"
2456host_ldflags_filter=$_flags_filter
2457add_host_ldflags $_flags $_ldflags
2458HOSTLD_O=${_ld_o-$HOSTLD_O}
2459
a758c5e2
MR
2460if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2461 probe_cc depcc "$dep_cc"
2462 CCDEP=${_DEPCMD:-$DEPCMD}
2463 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2464 DEPCCFLAGS=$_flags
2465fi
07dec06e 2466
3dbc777c
MR
2467if $ar 2>&1 | grep -q Microsoft; then
2468 arflags="-nologo"
2469 ar_o='-out:$@'
2470elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2471 arflags="rq"
2472 ar_o='$@'
2473else
2474 arflags="rc"
2475 ar_o='$@'
2476fi
2477
7f32f40c 2478add_cflags $extra_cflags
2f2e6c7c 2479add_asflags $extra_cflags
7f32f40c 2480
154d432c
MR
2481if test -n "$sysroot"; then
2482 case "$cc_type" in
00ba041c 2483 gcc|llvm_gcc|clang)
467256f2 2484 add_cppflags --sysroot="$sysroot"
154d432c
MR
2485 add_ldflags --sysroot="$sysroot"
2486 ;;
6fec122a
MR
2487 tms470)
2488 add_cppflags -I"$sysinclude"
2489 add_ldflags --sysroot="$sysroot"
2490 ;;
154d432c
MR
2491 esac
2492fi
2493
d22c13a8
MR
2494if test "$cpu" = host; then
2495 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2496
2497 case "$cc_type" in
613a4e3f 2498 gcc|llvm_gcc)
d22c13a8
MR
2499 check_native(){
2500 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2501 sed -n "/cc1.*$1=/{
27ce1be8
MR
2502 s/.*$1=\\([^ ]*\\).*/\\1/
2503 p
2504 q
2505 }" $TMPE
d22c13a8
MR
2506 }
2507 cpu=$(check_native -march || check_native -mcpu)
2508 ;;
2509 esac
2510
2511 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2512fi
2513
e939cedd
MR
2514# Deal with common $arch aliases
2515case "$arch" in
5873b623
MR
2516 aarch64|arm64)
2517 arch="aarch64"
2518 ;;
e939cedd
MR
2519 arm*)
2520 arch="arm"
2521 ;;
2acda282 2522 mips*|IP*)
e939cedd
MR
2523 arch="mips"
2524 ;;
a6e9d649 2525 parisc*|hppa*)
e939cedd
MR
2526 arch="parisc"
2527 ;;
56203596 2528 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2529 arch="ppc"
2530 ;;
e939cedd
MR
2531 s390|s390x)
2532 arch="s390"
2533 ;;
2534 sh4|sh)
2535 arch="sh4"
2536 ;;
4cd217c0 2537 sun4u|sparc*)
e939cedd 2538 arch="sparc"
e939cedd 2539 ;;
c75848cd
DB
2540 tilegx|tile-gx)
2541 arch="tilegx"
2542 ;;
d33ed7b3 2543 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2544 arch="x86"
2545 ;;
2546esac
2547
851ffa80 2548is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2549enable $arch
e939cedd 2550
df5cdc24 2551# Add processor-specific flags
9ebd45c2 2552if enabled aarch64; then
33db40f8
MR
2553
2554 case $cpu in
2555 armv*)
2556 cpuflags="-march=$cpu"
2557 ;;
2558 *)
2559 cpuflags="-mcpu=$cpu"
2560 ;;
2561 esac
2562
2563elif enabled alpha; then
2564
2565 cpuflags="-mcpu=$cpu"
2566
2567elif enabled arm; then
2568
1234c66a
MR
2569 check_arm_arch() {
2570 check_cpp_condition stddef.h \
2571 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2572 $cpuflags
2573 }
2574
2575 probe_arm_arch() {
2576 if check_arm_arch 4; then echo armv4;
2577 elif check_arm_arch 4T; then echo armv4t;
2578 elif check_arm_arch 5; then echo armv5;
2579 elif check_arm_arch 5E; then echo armv5e;
2580 elif check_arm_arch 5T; then echo armv5t;
2581 elif check_arm_arch 5TE; then echo armv5te;
2582 elif check_arm_arch 5TEJ; then echo armv5te;
2583 elif check_arm_arch 6; then echo armv6;
2584 elif check_arm_arch 6J; then echo armv6j;
2585 elif check_arm_arch 6K; then echo armv6k;
2586 elif check_arm_arch 6Z; then echo armv6z;
2587 elif check_arm_arch 6ZK; then echo armv6zk;
2588 elif check_arm_arch 6T2; then echo armv6t2;
2589 elif check_arm_arch 7; then echo armv7;
2590 elif check_arm_arch 7A 7_A; then echo armv7-a;
2591 elif check_arm_arch 7R 7_R; then echo armv7-r;
2592 elif check_arm_arch 7M 7_M; then echo armv7-m;
2593 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2594 elif check_arm_arch 8A 8_A; then echo armv8-a;
2595 fi
2596 }
2597
2598 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2599
33db40f8
MR
2600 case $cpu in
2601 armv*)
2602 cpuflags="-march=$cpu"
2603 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2604 ;;
2605 *)
2606 cpuflags="-mcpu=$cpu"
2607 case $cpu in
2608 cortex-a*) subarch=armv7a ;;
2609 cortex-r*) subarch=armv7r ;;
2610 cortex-m*) enable thumb; subarch=armv7m ;;
2611 arm11*) subarch=armv6 ;;
2612 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2613 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 2614 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
2615 esac
2616 ;;
2617 esac
2618
f0fe245b
MR
2619 case "$subarch" in
2620 armv5t*) enable fast_clz ;;
2621 armv[6-8]*) enable fast_clz fast_unaligned ;;
2622 esac
2623
33db40f8
MR
2624elif enabled avr32; then
2625
2626 case $cpu in
2627 ap7[02]0[0-2])
2628 subarch="avr32_ap"
2629 cpuflags="-mpart=$cpu"
2630 ;;
2631 ap)
2632 subarch="avr32_ap"
2633 cpuflags="-march=$cpu"
2634 ;;
2635 uc3[ab]*)
2636 subarch="avr32_uc"
2637 cpuflags="-mcpu=$cpu"
2638 ;;
2639 uc)
2640 subarch="avr32_uc"
2641 cpuflags="-march=$cpu"
2642 ;;
2643 esac
2644
2645elif enabled bfin; then
2646
2647 cpuflags="-mcpu=$cpu"
2648
2649elif enabled mips; then
2650
2651 cpuflags="-march=$cpu"
2652
5d54c126 2653elif enabled ppc; then
343aef9b 2654
56348891
MR
2655 case $(tolower $cpu) in
2656 601|ppc601|powerpc601)
9dbd5c3d 2657 cpuflags="-mcpu=601"
64ad53ff 2658 disable altivec
9dbd5c3d 2659 ;;
56348891 2660 603*|ppc603*|powerpc603*)
9dbd5c3d 2661 cpuflags="-mcpu=603"
64ad53ff 2662 disable altivec
9dbd5c3d 2663 ;;
56348891 2664 604*|ppc604*|powerpc604*)
9dbd5c3d 2665 cpuflags="-mcpu=604"
64ad53ff 2666 disable altivec
9dbd5c3d 2667 ;;
56348891 2668 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 2669 cpuflags="-mcpu=750"
64ad53ff 2670 disable altivec
9dbd5c3d 2671 ;;
56348891 2672 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 2673 cpuflags="-mcpu=7450"
9dbd5c3d 2674 ;;
56348891 2675 74*|ppc74*|powerpc74*)
7f1fcaf0 2676 cpuflags="-mcpu=7400"
9dbd5c3d 2677 ;;
313f9fbf 2678 g5|970|ppc970|powerpc970)
7f1fcaf0 2679 cpuflags="-mcpu=970"
9dbd5c3d 2680 ;;
313f9fbf 2681 power[3-7]*)
7f1fcaf0 2682 cpuflags="-mcpu=$cpu"
313f9fbf 2683 ;;
56348891 2684 cell)
9dbd5c3d
MR
2685 cpuflags="-mcpu=cell"
2686 enable ldbrx
2687 ;;
4ab26cb4
DB
2688 e500mc)
2689 cpuflags="-mcpu=e500mc"
2690 disable altivec
2691 ;;
7b0b81a1
AL
2692 e500v2)
2693 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2694 disable altivec
2695 ;;
2696 e500)
2697 cpuflags="-mcpu=8540 -mhard-float"
2698 disable altivec
2699 ;;
9dbd5c3d 2700 esac
343aef9b 2701
33db40f8
MR
2702elif enabled sparc; then
2703
2704 case $cpu in
2705 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2706 cpuflags="-mcpu=$cpu"
2707 disable vis
2708 ;;
2709 ultrasparc*|niagara[234])
2710 cpuflags="-mcpu=$cpu"
2711 ;;
2712 esac
2713
343aef9b
MR
2714elif enabled x86; then
2715
9dbd5c3d
MR
2716 case $cpu in
2717 i[345]86|pentium)
2718 cpuflags="-march=$cpu"
2719 disable mmx
2720 ;;
2721 # targets that do NOT support conditional mov (cmov)
2722 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2723 cpuflags="-march=$cpu"
2724 disable cmov
2725 ;;
2726 # targets that do support conditional mov (cmov)
f2ce813e 2727 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d
MR
2728 cpuflags="-march=$cpu"
2729 enable cmov
2730 enable fast_cmov
2731 ;;
2732 # targets that do support conditional mov but on which it's slow
2733 pentium4|pentium4m|prescott|nocona)
2734 cpuflags="-march=$cpu"
2735 enable cmov
2736 disable fast_cmov
2737 ;;
2738 esac
343aef9b 2739
343aef9b
MR
2740fi
2741
9ebd45c2
MR
2742if [ "$cpu" != generic ]; then
2743 add_cflags $cpuflags
2744 add_asflags $cpuflags
2745fi
df5cdc24 2746
993f2d0f
MR
2747# compiler sanity check
2748check_exec <<EOF
2749int main(void){ return 0; }
2750EOF
2751if test "$?" != 0; then
2752 echo "$cc is unable to create an executable file."
2753 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2754 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2755 echo "Only do this if you know what cross compiling means."
2756 fi
2757 die "C compiler test failed."
2758fi
2759
046f081b 2760add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2761check_cflags -std=c99
50a334e4 2762check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2763#include <stdlib.h>
2764EOF
50a334e4 2765check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2766#include <stdlib.h>
2767EOF
e9b9a2f8 2768
f0125de9 2769check_host_cflags -std=c99
0a6db2a2 2770check_host_cflags -Wall
f0125de9 2771
d4c99513
MR
2772check_64bit(){
2773 arch32=$1
2774 arch64=$2
2775 expr=$3
2776 check_code cc "" "int test[2*($expr) - 1]" &&
2777 subarch=$arch64 || subarch=$arch32
2778}
2779
b24dbcbd 2780case "$arch" in
4cd217c0 2781 alpha|ia64)
2acda282
MR
2782 spic=$shared
2783 ;;
2784 mips)
2785 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 2786 spic=$shared
b24dbcbd 2787 ;;
a6e9d649
MR
2788 parisc)
2789 check_64bit parisc parisc64 'sizeof(void *) > 4'
2790 spic=$shared
2791 ;;
56203596
MR
2792 ppc)
2793 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 2794 spic=$shared
56203596 2795 ;;
4cd217c0
MR
2796 sparc)
2797 check_64bit sparc sparc64 'sizeof(void *) > 4'
2798 spic=$shared
2799 ;;
e939cedd 2800 x86)
d4c99513 2801 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 2802 if test "$subarch" = "x86_64"; then
e939cedd 2803 spic=$shared
de27f4d9 2804 fi
b24dbcbd 2805 ;;
b24dbcbd
RP
2806esac
2807
343aef9b 2808enable $subarch
8a3c8627 2809enabled spic && enable pic
b24dbcbd 2810
7483e694 2811# OS specific
4f854758 2812case $target_os in
a1629e28 2813 haiku)
63ae7e7c 2814 prefix_default="/boot/common"
108caaaa 2815 network_extralibs="-lnetwork"
f59c4bd6 2816 host_libs=
a1629e28 2817 ;;
7483e694 2818 sunos)
4d58e4cb 2819 AVSERVERLDFLAGS=""
9987769a 2820 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2821 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2822 network_extralibs="-lsocket -lnsl"
779222db 2823 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2824 # When using suncc to build, the Solaris linker will mark
2825 # an executable with each instruction set encountered by
2826 # the Solaris assembler. As our libraries contain their own
2827 # guards for processor-specific code, instead suppress
2828 # generation of the HWCAPS ELF section on Solaris x86 only.
2829 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2a8a860a 2830 nm_default='nm -P -g'
7483e694
DB
2831 ;;
2832 netbsd)
a1e4b3f6 2833 disable symver
07a8eef6
MR
2834 oss_indev_extralibs="-lossaudio"
2835 oss_outdev_extralibs="-lossaudio"
7483e694 2836 ;;
d488c3bc 2837 openbsd|bitrig)
7c4a001a 2838 # On OpenBSD 4.5. the compiler does not use PIC unless
070c5d0f 2839 # explicitly using -fPIC. Libav builds fine without PIC,
7c4a001a
MR
2840 # however the generated executable will not do anything
2841 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2842 # Thus explicitly enable PIC here.
cd78208b 2843 enable pic
a1e4b3f6 2844 disable symver
7483e694 2845 SHFLAGS='-shared'
d5683aba
BS
2846 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2847 SLIB_INSTALL_LINKS=
07a8eef6
MR
2848 oss_indev_extralibs="-lossaudio"
2849 oss_outdev_extralibs="-lossaudio"
7483e694 2850 ;;
a1e4b3f6 2851 dragonfly)
a1e4b3f6
MR
2852 disable symver
2853 ;;
2854 freebsd)
7483e694
DB
2855 ;;
2856 bsd/os)
355d81df 2857 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2858 ;;
2859 darwin)
301ab19d 2860 gas="gas-preprocessor.pl $cc"
e08b8239 2861 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2862 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2863 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2864 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2865 SLIBSUF=".dylib"
2866 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2867 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2868 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2869 objformat="macho"
1b0f6fb8 2870 enabled x86_64 && objformat="macho64"
8dfa86f7 2871 enabled_any pic shared ||
2704bd1a 2872 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2873 ;;
2874 mingw32*)
9d3f4f50 2875 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2876 disable network
2877 else
2878 target_os=mingw32
2879 fi
dcc01c06 2880 LIBTARGET=i386
1fc9fb8a 2881 if enabled x86_64; then
417516f6 2882 LIBTARGET="i386:x86-64"
336cc1b0 2883 elif enabled arm; then
15c5156d 2884 LIBTARGET=arm-wince
dcc01c06 2885 fi
fbd971a4 2886 shlibdir_default="$bindir_default"
7483e694
DB
2887 SLIBPREF=""
2888 SLIBSUF=".dll"
7483e694
DB
2889 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2890 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
eb7018d2 2891 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2f138f0b
MR
2892 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2893 SLIB_INSTALL_LINKS=
2894 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2895 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
eb7018d2 2896 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2897 objformat="win32"
ec10a9ab 2898 dlltool="${cross_prefix}dlltool"
a3222470 2899 ranlib=:
bc574408 2900 enable dos_paths
5666a9f2 2901 add_cppflags -U__STRICT_ANSI__
7483e694 2902 ;;
53e8cd68 2903 win32|win64)
d66c52c2
MS
2904 if enabled shared; then
2905 # Link to the import library instead of the normal static library
2906 # for shared libs.
2907 LD_LIB='%.lib'
2908 # Cannot build shared and static libraries at the same time with
2909 # MSVC.
2910 disable static
2911 fi
2912 shlibdir_default="$bindir_default"
2913 SLIBPREF=""
2914 SLIBSUF=".dll"
2915 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2916 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2917 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
2918 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2919 SLIB_INSTALL_LINKS=
2920 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2921 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2922 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
53e8cd68
MS
2923 objformat="win32"
2924 ranlib=:
2925 enable dos_paths
2926 ;;
7483e694 2927 cygwin*)
4f854758 2928 target_os=cygwin
fbd971a4 2929 shlibdir_default="$bindir_default"
7483e694
DB
2930 SLIBPREF="cyg"
2931 SLIBSUF=".dll"
2932 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2933 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
2934 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2935 SLIB_INSTALL_LINKS=
2936 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2937 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 2938 objformat="win32"
bc574408 2939 enable dos_paths
7483e694 2940 ;;
4f365f37 2941 *-dos|freedos|opendos)
4f365f37 2942 network_extralibs="-lsocket"
ff1c015d 2943 objformat="coff"
bc574408 2944 enable dos_paths
a7a187a1 2945 add_cppflags -U__STRICT_ANSI__
4f365f37 2946 ;;
7483e694 2947 linux)
7483e694
DB
2948 enable dv1394
2949 ;;
2950 irix*)
4f854758 2951 target_os=irix
7483e694
DB
2952 ranlib="echo ignoring ranlib"
2953 ;;
d22e8442 2954 os/2*)
d22e8442 2955 ln_s="cp -f"
9297f1ed 2956 objformat="aout"
e14574eb 2957 add_cppflags -D_GNU_SOURCE
355d81df 2958 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2959 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 2960 AVSERVERLDFLAGS=""
287d3b13 2961 LIBSUF="_s.a"
d22e8442
DY
2962 SLIBPREF=""
2963 SLIBSUF=".dll"
2964 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2965 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62 2966 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
f69f51b3
DB
2967 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2968 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2969 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2970 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2971 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
71c61f62 2972 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
f69f51b3 2973 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 2974 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 2975 enable dos_paths
d22e8442 2976 ;;
83993c1c 2977 gnu/kfreebsd)
3bd1eacd 2978 add_cppflags -D_BSD_SOURCE
83993c1c 2979 ;;
34e82167 2980 gnu)
34e82167 2981 ;;
d33ed7b3
MR
2982 qnx)
2983 add_cppflags -D_QNX_SOURCE
2984 network_extralibs="-lsocket"
2985 ;;
1c69c79f
MS
2986 symbian)
2987 SLIBSUF=".dll"
2988 enable dos_paths
e3bc07f4
MS
2989 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2990 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2991 add_ldflags -Wl,--target1-abs,--no-undefined \
2992 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2993 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2994 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2995 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2996 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 2997 ;;
fdd66609
MR
2998 osf1)
2999 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3000 AVSERVERLDFLAGS=
3001 ;;
741a8b72
MR
3002 minix)
3003 ;;
4ebc6a74
MR
3004 plan9)
3005 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3006 -D_REENTRANT_SOURCE \
3007 -D_RESEARCH_SOURCE \
3008 -DFD_SETSIZE=96 \
3009 -DHAVE_SOCK_OPTS
3010 add_compat strtod.o strtod=avpriv_strtod
3011 network_extralibs='-lbsd'
3012 exeobjs=compat/plan9/main.o
3013 disable avserver
3014 ln_s='ln -s -f'
3015 cp_f='cp'
3016 ;;
614d8911
MR
3017 none)
3018 ;;
7483e694 3019 *)
4f924f9a 3020 die "Unknown OS '$target_os'."
7483e694
DB
3021 ;;
3022esac
3023
b797f3c4
MR
3024# determine libc flavour
3025
3026if check_cpp_condition features.h "defined __UCLIBC__"; then
3027 libc_type=uclibc
3bd1eacd 3028 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3029elif check_cpp_condition features.h "defined __GLIBC__"; then
3030 libc_type=glibc
3bd1eacd 3031 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3032elif check_header _mingw.h; then
3033 libc_type=mingw
3034 check_cpp_condition _mingw.h \
3035 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3036 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3037 die "ERROR: MinGW runtime version must be >= 3.15."
3038elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3039 libc_type=newlib
8f7b814f 3040 add_cppflags -U__STRICT_ANSI__
4fa661a8
RB
3041elif check_func_headers stdlib.h _get_doserrno; then
3042 libc_type=msvcrt
84e65c76
MR
3043 add_compat strtod.o strtod=avpriv_strtod
3044 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3045 _snprintf=avpriv_snprintf \
3046 vsnprintf=avpriv_vsnprintf
b797f3c4
MR
3047elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3048 libc_type=klibc
3049fi
3050
3051test -n "$libc_type" && enable $libc_type
3052
5ab432fa
MR
3053# hacks for compiler/libc/os combinations
3054
3055if enabled_all tms470 glibc; then
b6f8d635 3056 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5ab432fa
MR
3057 add_cppflags -D__USER_LABEL_PREFIX__=
3058 add_cppflags -D__builtin_memset=memset
3059 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3060 add_cflags -pds=48 # incompatible redefinition of macro
3061fi
3062
457cc333
MR
3063if enabled_all ccc glibc; then
3064 add_ldflags -Wl,-z,now # calls to libots crash without this
3065fi
3066
6555acad
MR
3067esc(){
3068 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3069}
3070
3071echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 3072
13cb2187
AS
3073check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3074
c9d19248 3075set_default $PATHS_LIST
2a8a860a 3076set_default nm
c9d19248 3077
320d060a 3078# we need to build at least one lib type
93b3c083 3079if ! enabled_any static shared; then
320d060a
DB
3080 cat <<EOF
3081At least one library type must be built.
3082Specify --enable-static to build the static libraries or --enable-shared to
3083build the shared libraries as well. To only build the shared libraries specify
3084--disable-static in addition to --enable-shared.
3085EOF
3086 exit 1;
3087fi
3088
2184c6f7 3089die_license_disabled() {
4c27207c 3090 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
3091}
3092
e417d80d 3093die_license_disabled gpl libcdio
2184c6f7 3094die_license_disabled gpl libx264
de295976 3095die_license_disabled gpl libxavs
2184c6f7 3096die_license_disabled gpl libxvid
2184c6f7
DB
3097die_license_disabled gpl x11grab
3098
2f7ae63b 3099die_license_disabled nonfree libfaac
87246953 3100die_license_disabled nonfree libfdk_aac
a060866f 3101die_license_disabled nonfree openssl
b2e3c528 3102
0b175caa
DB
3103die_license_disabled version3 libopencore_amrnb
3104die_license_disabled version3 libopencore_amrwb
d89e738a 3105die_license_disabled version3 libvo_aacenc
f502ff3f 3106die_license_disabled version3 libvo_amrwbenc
0b175caa 3107
9cad0e4e 3108enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 3109
40617a6d 3110disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 3111
e276d9e8
MR
3112enable_pic() {
3113 enable pic
bce7b696
MR
3114 add_cppflags -DPIC
3115 add_cflags -fPIC
3116 add_asflags -fPIC
e276d9e8
MR
3117}
3118
3119enabled pic && enable_pic
bce7b696 3120
b4d96ba2
MR
3121check_cc <<EOF || die "Symbol mangling check failed."
3122int ff_extern;
3123EOF
2a8a860a 3124sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
3125extern_prefix=${sym%%ff_extern*}
3126
afb5ed55 3127check_cc <<EOF && enable_weak inline_asm
f65883c8
MR
3128void foo(void) { __asm__ volatile ("" ::); }
3129EOF
61d251db 3130
df5e3978
MR
3131_restrict=
3132for restrict_keyword in restrict __restrict__ __restrict; do
3133 check_cc <<EOF && _restrict=$restrict_keyword && break
3134void foo(char * $restrict_keyword p);
3135EOF
3136done
3137
3138check_cc <<EOF && enable attribute_packed
3139struct { int x; } __attribute__((packed)) x;
3140EOF
3141
dffb41b9
MR
3142check_cc <<EOF && enable attribute_may_alias
3143union { int x; } __attribute__((may_alias)) x;
3144EOF
3145
df5e3978
MR
3146check_cc <<EOF || die "endian test failed"
3147unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3148EOF
48fc536a 3149od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 3150
e939cedd
MR
3151if enabled alpha; then
3152
3153 check_cflags -mieee
3154
3155elif enabled arm; then
e45391bb 3156
66371c28 3157 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
8986fddc 3158 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 3159 nogas=die
50fa82e6 3160
44caaa56
MR
3161 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3162 enable vfp_args
3163 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3164 case "${cross_prefix:-$cc}" in
3165 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3166 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
3167__asm__ (".eabi_attribute 28, 1");
3168int main(void) { return 0; }
3169EOF
44caaa56
MR
3170 esac
3171 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3172 fi
fa0912fe 3173
7f2b3dca
MR
3174 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3175 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3176 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
7f2b3dca 3177 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
b3267559 3178 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
7f2b3dca
MR
3179 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3180
b57c1da8
MR
3181 [ $target_os = linux ] ||
3182 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3183 $ARCH_EXT_LIST_ARM
e45391bb 3184
575db883
DB
3185 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3186 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
6308729e 3187
e276d9e8
MR
3188 enabled_all armv6t2 shared !pic && enable_pic
3189
fa0912fe 3190elif enabled mips; then
e45391bb 3191
575db883 3192 check_inline_asm loongson '"dmult.g $1, $2, $3"'
e45391bb 3193
5af530f5
MR
3194elif enabled parisc; then
3195
3196 if enabled gcc; then
3197 case $($cc -dumpversion) in
3198 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3199 esac
3200 fi
3201
fa0912fe 3202elif enabled ppc; then
e45391bb 3203
e6a0c354
MR
3204 enable local_aligned_8 local_aligned_16
3205
575db883
DB
3206 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3207 check_inline_asm ibm_asm '"add 0, 0, 0"'
3208 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3209 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
3210
3211 # AltiVec flags: The FSF version of GCC differs from the Apple version
3212 if enabled altivec; then
301ab19d 3213 nogas=warn
fa0912fe
MR
3214 check_cflags -maltivec -mabi=altivec &&
3215 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3216 check_cflags -faltivec
3217
3218 # check if our compiler supports Motorola AltiVec C API
3219 check_cc <<EOF || disable altivec
3220$inc_altivec_h
3221int main(void) {
20bcce50
MR
3222 vector signed int v1 = (vector signed int) { 0 };
3223 vector signed int v2 = (vector signed int) { 1 };
3224 v1 = vec_add(v1, v2);
fa0912fe
MR
3225 return 0;
3226}
3227EOF
3228
20bcce50 3229 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
fa0912fe 3230 fi
e45391bb 3231
fa0912fe 3232elif enabled sparc; then
e45391bb 3233
6aa93689 3234 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
e45391bb 3235
fa0912fe 3236elif enabled x86; then
e45391bb 3237
8e85ba8d
DB
3238 check_code ld intrin.h "__rdtsc()" && enable rdtsc
3239
f80ddd5b
RB
3240 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
3241
e6a0c354
MR
3242 enable local_aligned_8 local_aligned_16
3243
44965991
PI
3244 # check whether EBP is available on x86
3245 # As 'i' is stored on the stack, this program will crash
3246 # if the base pointer is used to access it because the
3247 # base pointer is cleared in the inline assembly code.
7dfef245 3248 check_exec_crash <<EOF && enable ebp_available
f69f51b3
DB
3249volatile int i=0;
3250__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3251return i;
44965991
PI
3252EOF
3253
f494213c 3254 # check whether EBX is available on x86
575db883
DB
3255 check_inline_asm ebx_available '""::"b"(0)' &&
3256 check_inline_asm ebx_available '"":::"%ebx"'
8e380710 3257
6f74fb03 3258 # check whether xmm clobbers are supported
575db883 3259 check_inline_asm xmm_clobbers '"":::"%xmm0"'
6f74fb03 3260
239fdf1b 3261 # check whether binutils is new enough to compile SSSE3/MMXEXT
43b73d59
DB
3262 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3263 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
6bd859d6 3264
9cca1e40 3265 if ! disabled_any asm mmx yasm; then
b6c06894
MR
3266 if check_cmd $yasmexe --version; then
3267 enabled x86_64 && yasm_extra="-m amd64"
3268 yasm_debug="-g dwarf2"
3269 elif check_cmd nasm -v; then
3270 yasmexe=nasm
3271 yasm_debug="-g -F dwarf"
3272 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3273 fi
3274
3275 YASMFLAGS="-f $objformat $yasm_extra"
3276 enabled pic && append YASMFLAGS "-DPIC"
3277 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3278 case "$objformat" in
3279 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3280 esac
3281
b8e8a07c 3282 check_yasm "vextractf128 xmm0, ymm0, 0" && enable yasm ||
25432e85 3283 die "yasm not found, use --disable-yasm for a crippled build"
43b73d59 3284 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
180d43bc 3285 check_yasm "CPU amdnop" && enable cpunop
31a0dcb2 3286 fi
e45391bb 3287
669b5583
MR
3288 case "$cpu" in
3289 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3290 disable fast_clz
3291 ;;
3292 esac
3293
44965991
PI
3294fi
3295
301ab19d
MR
3296if enabled asm; then
3297 as=${gas:=$as}
7fd90119 3298 check_as <<EOF && enable gnu_as || \
301ab19d 3299 $nogas "GNU assembler not found, install gas-preprocessor"
7fd90119
MR
3300.macro m n
3301\n: .int 0
3302.endm
3303m x
3304EOF
301ab19d
MR
3305fi
3306
4a7e068b
MR
3307check_ldflags -Wl,--as-needed
3308
a98bb16d
RP
3309if check_func dlopen; then
3310 ldl=
3311elif check_func dlopen -ldl; then
3312 ldl=-ldl
8bf5d58f
MN
3313fi
3314
998c1ee1 3315if ! disabled network; then
54fe299b
DV
3316 check_type "sys/types.h sys/socket.h" socklen_t
3317 check_type netdb.h "struct addrinfo"
75d339e0
MS
3318 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3319 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
54fe299b
DV
3320 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3321 check_type netinet/in.h "struct sockaddr_in6"