rtp: Don't read priv_data unless it is allocated
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
070c5d0f 47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
505dfb09 48 echo "Instead, install a working POSIX-compatible shell."
070c5d0f 49 echo "Disabling this configure test will create a broken Libav."
c21d6325
MR
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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54 exit 1
55fi
56
a77f01c7
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57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
06454877
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61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
3b327a4b
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66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
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80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
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84 --libdir=DIR install libs in DIR [PREFIX/lib]
85 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
86 --incdir=DIR install includes in DIR [PREFIX/include]
87 --mandir=DIR install man page in DIR [PREFIX/share/man]
88
3b327a4b 89Licensing options:
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90 --enable-gpl allow use of GPL code, the resulting libs
91 and binaries will be under GPL [no]
92 --enable-version3 upgrade (L)GPL to version 3 [no]
93 --enable-nonfree allow use of nonfree code, the resulting libs
94 and binaries will be unredistributable [no]
3b327a4b
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95
96Configuration options:
97 --disable-static do not build static libraries [no]
98 --enable-shared build shared libraries [no]
99 --enable-small optimize for size instead of speed
100 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
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
5a0f7131
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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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DB
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
3b327a4b
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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]
06454877
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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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DB
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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DB
258 --disable-sse2 disable SSE2 optimizations
259 --disable-sse3 disable SSE3 optimizations
06454877 260 --disable-ssse3 disable SSSE3 optimizations
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DB
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
RB
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
MR
312}
313
7bfc8ae6
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314warn(){
315 log "WARNING: $*"
316 WARNINGS="${WARNINGS}WARNING: $*\n"
317}
318
2ba042a7
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319die(){
320 echolog "$@"
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
MR
331EOF
332 else
f69f51b3 333 cat <<EOF
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DB
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
MR
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 "$v"
358}
359
bb7a22b5
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360cleanws(){
361 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
362}
363
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MR
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
9d201b26
MR
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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DB
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
3f8040db
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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
MR
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
MR
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 $*
486}
487
57bd82d4 488enabled(){
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MR
489 test "${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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DB
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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DB
516disabled_any(){
517 for opt; do
518 disabled $opt && return 0
519 done
f7b230a7 520 return 1
85bca2c5
DB
521}
522
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MR
523set_default(){
524 for opt; do
88268e94 525 eval : \${$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 $cfg
799c9e9b 545
30fd06be
MR
546 eval dep_all="\$${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
b6bb00b0
MR
1308# options emitted with CONFIG_ prefix but not available on command line
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
ab9f9876 1331 vp3dsp
b6bb00b0
MR
1332"
1333
520cc7f1 1334CMDLINE_SELECT="
3f5b56e5 1335 $ARCH_EXT_LIST
520cc7f1 1336 $CONFIG_LIST
fd712a55 1337 $HAVE_LIST_CMDLINE
8eee7025 1338 $THREADS_LIST
c8a4ae00 1339 asm
db6107b6 1340 cross_compile
520cc7f1
MR
1341 debug
1342 extra_warnings
8c6afa4d 1343 logging
65d12900 1344 lto
d2bbb2f7 1345 optimizations
520cc7f1 1346"
426be5dc
DB
1347
1348PATHS_LIST='
d156bede 1349 bindir
14a8acf1 1350 datadir
26759c44
MR
1351 incdir
1352 libdir
26759c44
MR
1353 mandir
1354 prefix
1355 shlibdir
426be5dc
DB
1356'
1357
1358CMDLINE_SET="
1359 $PATHS_LIST
121d78d0 1360 ar
426be5dc 1361 arch
313c46a6 1362 as
426be5dc
DB
1363 build_suffix
1364 cc
1365 cpu
1366 cross_prefix
50567afa 1367 dep_cc
ac63af34 1368 extra_version
9da6609f
MR
1369 host_cc
1370 host_cflags
095792f2 1371 host_ld
9da6609f
MR
1372 host_ldflags
1373 host_libs
82bb3329 1374 host_os
684b28e0 1375 ld
426be5dc 1376 logfile
4ae40685 1377 malloc_prefix
89641463 1378 nm
9cd7b854 1379 optflags
3f8040db 1380 pkg_config
154caa67 1381 random_seed
2fad0977 1382 samples
c5200f17
MR
1383 sysinclude
1384 sysroot
a7ada2ba 1385 target_exec
26759c44 1386 target_os
a7ada2ba 1387 target_path
aeeb782c 1388 toolchain
426be5dc 1389"
520cc7f1 1390
89f2932b
MR
1391CMDLINE_APPEND="
1392 extra_cflags
1393"
1394
912f3148
DB
1395# code dependency declarations
1396
9eeed841 1397# architecture extensions
808fa33c 1398
a2fc0f6a
MR
1399armv5te_deps="arm"
1400armv6_deps="arm"
ab5cb084 1401armv6t2_deps="arm"
808fa33c 1402neon_deps="arm"
b3267559
MR
1403vfp_deps="arm"
1404vfpv3_deps="vfp"
808fa33c 1405
637606de
MR
1406map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1407
808fa33c
MR
1408altivec_deps="ppc"
1409ppc4xx_deps="ppc"
1410
1411vis_deps="sparc"
1412
7f8c3d1f 1413x86_64_suggest="cmov fast_cmov"
50cd43f2 1414
808fa33c
MR
1415amd3dnow_deps="mmx"
1416amd3dnowext_deps="amd3dnow"
9eeed841 1417mmx_deps="x86"
239fdf1b 1418mmxext_deps="mmx"
50cd43f2
DB
1419sse_deps="mmxext"
1420sse2_deps="sse"
1421sse3_deps="sse2"
1422ssse3_deps="sse3"
1423sse4_deps="ssse3"
1424sse42_deps="sse4"
1425avx_deps="sse42"
79687079 1426fma4_deps="avx"
9eeed841 1427
43b73d59
DB
1428mmx_external_deps="yasm"
1429mmx_inline_deps="inline_asm"
1430mmx_suggest="mmx_external mmx_inline"
1431
1432for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1433 eval dep=\$${ext}_deps
1434 eval ${ext}_external_deps='"${dep}_external"'
1435 eval ${ext}_inline_deps='"${dep}_inline"'
1436 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1437done
1438
59782b82 1439aligned_stack_if_any="ppc x86"
e939cedd 1440fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
f0fe245b
MR
1441fast_clz_if_any="alpha avr32 mips ppc x86"
1442fast_unaligned_if_any="ppc x86"
669b5583 1443
6fec122a 1444inline_asm_deps="!tms470"
3e0b1c9a 1445need_memalign="altivec neon sse"
89e053f8 1446
b462d132
MR
1447symver_if_any="symver_asm_label symver_gnu_asm"
1448
88a35699
MS
1449log2_deps="!msvcrt"
1450
26fbcc85 1451# subsystems
dc609252 1452dct_select="rdft"
26fbcc85
MR
1453mdct_select="fft"
1454rdft_select="fft"
1e164c0b 1455mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1456mpegaudiodsp_select="dct"
ad08dfd5 1457mpegvideoenc_select="mpegvideo"
26fbcc85 1458
5666fd73 1459# decoders / encoders / hardware accelerators
cfc2a0cf 1460aac_decoder_select="mdct sinewin"
4538729a 1461aac_encoder_select="mdct sinewin"
136e19e1 1462aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1463ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1464ac3_encoder_select="mdct ac3dsp"
3d269059 1465ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1466alac_encoder_select="lpc"
b781cc12 1467amrnb_decoder_select="lsp"
2b2a597e 1468amrwb_decoder_select="lsp"
4538729a 1469atrac1_decoder_select="mdct sinewin"
26fbcc85 1470atrac3_decoder_select="mdct"
a33657ce
DB
1471binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1472binkaudio_rdft_decoder_select="mdct rdft sinewin"
18bbca1f 1473cavs_decoder_select="golomb mpegvideo"
9b500b8f 1474comfortnoise_encoder_select="lpc"
4538729a 1475cook_decoder_select="mdct sinewin"
2a91ada8 1476cscd_decoder_select="lzo"
2eef7c62 1477cscd_decoder_suggest="zlib"
26fbcc85 1478dca_decoder_select="mdct"
ad08dfd5 1479dnxhd_encoder_select="aandcttables mpegvideoenc"
2eef7c62 1480dxa_decoder_select="zlib"
baf91bb9 1481eac3_decoder_select="ac3_decoder"
4264a0dd 1482eac3_encoder_select="ac3_encoder"
69804535 1483eamad_decoder_select="aandcttables error_resilience mpegvideo"
87849592 1484eatgq_decoder_select="aandcttables"
c292f6a2 1485eatqi_decoder_select="aandcttables error_resilience mpegvideo"
f704a079
DB
1486ffv1_decoder_select="golomb rangecoder"
1487ffv1_encoder_select="rangecoder"
5a582bd3 1488ffvhuff_encoder_select="huffman"
4f034993 1489flac_decoder_select="golomb"
f4d608e3 1490flac_encoder_select="golomb lpc"
2eef7c62
AJ
1491flashsv_decoder_select="zlib"
1492flashsv_encoder_select="zlib"
c2d23309 1493flashsv2_decoder_select="zlib"
4414137e 1494flv_decoder_select="h263_decoder"
4d4b4bd1 1495flv_encoder_select="h263_encoder"
3447f12d 1496fraps_decoder_select="huffman"
c292f6a2 1497h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1498h261_encoder_select="aandcttables mpegvideoenc"
c292f6a2
DB
1499h263_decoder_select="error_resilience h263_parser mpegvideo"
1500h263_encoder_select="aandcttables error_resilience mpegvideoenc"
95a61cfc 1501h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1502h263i_decoder_select="h263_decoder"
fe629c2d 1503h263p_encoder_select="h263_encoder"
c292f6a2 1504h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
92c6a099
LA
1505h264_dxva2_hwaccel_deps="dxva2api_h"
1506h264_dxva2_hwaccel_select="dxva2 h264_decoder"
76718f3f 1507h264_vaapi_hwaccel_select="vaapi h264_decoder"
ac3dbb4d 1508h264_vda_hwaccel_select="vda h264_decoder"
95a61cfc 1509h264_vdpau_decoder_select="vdpau h264_decoder"
5a582bd3 1510huffyuv_encoder_select="huffman"
19be0f3c 1511iac_decoder_select="fft mdct sinewin"
56c8227d 1512imc_decoder_select="fft mdct sinewin"
4f034993
MR
1513jpegls_decoder_select="golomb"
1514jpegls_encoder_select="golomb"
ad08dfd5 1515ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1516loco_decoder_select="golomb"
c292f6a2 1517mdec_decoder_select="error_resilience mpegvideo"
ad08dfd5 1518mjpeg_encoder_select="aandcttables mpegvideoenc"
2cca233b 1519mlp_decoder_select="mlp_parser"
1e164c0b
DB
1520mp1_decoder_select="mpegaudio"
1521mp1float_decoder_select="mpegaudio"
1522mp2_decoder_select="mpegaudio"
1523mp2float_decoder_select="mpegaudio"
1524mp3_decoder_select="mpegaudio"
1525mp3adu_decoder_select="mpegaudio"
1526mp3adufloat_decoder_select="mpegaudio"
1527mp3float_decoder_select="mpegaudio"
1528mp3on4_decoder_select="mpegaudio"
1529mp3on4float_decoder_select="mpegaudio"
606c9297
DB
1530mpc7_decoder_select="mpegaudiodsp"
1531mpc8_decoder_select="mpegaudiodsp"
95a61cfc 1532mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
3e0b1c9a
DB
1533mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1534mpeg_xvmc_decoder_select="mpegvideo_decoder"
95a61cfc 1535mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
c292f6a2
DB
1536mpeg1video_decoder_select="error_resilience mpegvideo"
1537mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
164aab02
LA
1538mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1539mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1540mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
c292f6a2
DB
1541mpeg2video_decoder_select="error_resilience mpegvideo"
1542mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
3e0b1c9a
DB
1543mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1544mpeg4_encoder_select="h263_encoder"
95a61cfc 1545mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1546mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
4414137e 1547msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1548msmpeg4v1_encoder_select="h263_encoder"
4414137e 1549msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1550msmpeg4v2_encoder_select="h263_encoder"
4414137e 1551msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1552msmpeg4v3_encoder_select="h263_encoder"
ee769c6a 1553mss2_decoder_select="vc1_decoder"
4538729a
MR
1554nellymoser_decoder_select="mdct sinewin"
1555nellymoser_encoder_select="mdct sinewin"
2a91ada8 1556nuv_decoder_select="lzo"
2eef7c62
AJ
1557png_decoder_select="zlib"
1558png_encoder_select="zlib"
b781cc12 1559qcelp_decoder_select="lsp"
c4f5c2d6 1560qdm2_decoder_select="mdct rdft mpegaudiodsp"
31ed3f1f 1561ra_144_encoder_select="lpc"
9f43fdda 1562ralf_decoder_select="golomb"
a8beb22f 1563rv10_decoder_select="h263_decoder"
b2bf38b4 1564rv10_encoder_select="h263_encoder"
a8beb22f 1565rv20_decoder_select="h263_decoder"
b2bf38b4 1566rv20_encoder_select="h263_encoder"
c292f6a2
DB
1567rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1568rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
4f034993 1569shorten_decoder_select="golomb"
b781cc12 1570sipr_decoder_select="lsp"
f704a079
DB
1571snow_decoder_select="dwt rangecoder"
1572snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
c292f6a2
DB
1573svq1_decoder_select="error_resilience mpegvideo"
1574svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1575svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
bee2eac5 1576svq3_decoder_suggest="zlib"
4eef77c1 1577theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1578tiff_decoder_suggest="zlib"
1579tiff_encoder_suggest="zlib"
aec09a00 1580truehd_decoder_select="mlp_decoder"
2eef7c62 1581tscc_decoder_select="zlib"
4538729a 1582twinvq_decoder_select="mdct lsp sinewin"
aa661113 1583utvideo_encoder_select="huffman"
915a2a0a 1584vc1_decoder_select="h263_decoder h264chroma h264qpel"
562ebc30 1585vc1_dxva2_hwaccel_deps="dxva2api_h"
f0f86627 1586vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1587vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1588vc1_vdpau_decoder_select="vdpau vc1_decoder"
45ecda85 1589vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1590vorbis_decoder_select="mdct"
1591vorbis_encoder_select="mdct"
ab9f9876
MR
1592vp3_decoder_select="vp3dsp"
1593vp5_decoder_select="vp3dsp"
1594vp6_decoder_select="huffman vp3dsp"
e82dc4c9
DB
1595vp6a_decoder_select="vp6_decoder"
1596vp6f_decoder_select="vp6_decoder"
915a2a0a 1597vp8_decoder_select="h264pred h264qpel"
4538729a
MR
1598wmapro_decoder_select="mdct sinewin"
1599wmav1_decoder_select="mdct sinewin"
1600wmav1_encoder_select="mdct sinewin"
1601wmav2_decoder_select="mdct sinewin"
1602wmav2_encoder_select="mdct sinewin"
1603wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1604wmv1_decoder_select="h263_decoder"
665507aa 1605wmv1_encoder_select="h263_encoder"
f95bfab0 1606wmv2_decoder_select="h263_decoder"
1746e2a9 1607wmv2_encoder_select="h263_encoder"
015f8ee0 1608wmv3_decoder_select="vc1_decoder"
f0f86627 1609wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1610wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1611wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
45ecda85 1612wmv3image_decoder_select="wmv3_decoder"
0e714f88 1613zerocodec_decoder_select="zlib"
2eef7c62
AJ
1614zlib_decoder_select="zlib"
1615zlib_encoder_select="zlib"
1616zmbv_decoder_select="zlib"
1617zmbv_encoder_select="zlib"
30fd06be 1618
0afab17e 1619vaapi_deps="va_va_h"
ac3dbb4d 1620vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
c89c96e9
MR
1621vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1622
28b80940 1623# parsers
c292f6a2
DB
1624h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1625mpeg4video_parser_select="error_resilience mpegvideo"
1626mpegvideo_parser_select="error_resilience mpegvideo"
1627vc1_parser_select="error_resilience mpegvideo"
28b80940 1628
912f3148 1629# external libraries
c9171a83 1630libfaac_encoder_deps="libfaac"
37eeb5e2 1631libfdk_aac_encoder_deps="libfdk_aac"
299c77d5
MR
1632libgsm_decoder_deps="libgsm"
1633libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1634libgsm_ms_decoder_deps="libgsm"
1635libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1636libilbc_decoder_deps="libilbc"
1637libilbc_encoder_deps="libilbc"
1cc60c47 1638libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1639libopencore_amrnb_decoder_deps="libopencore_amrnb"
1640libopencore_amrnb_encoder_deps="libopencore_amrnb"
1641libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1642libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1643libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1644libopus_decoder_deps="libopus"
6cb8c854 1645libopus_encoder_deps="libopus"
f7cd9eed
AS
1646libschroedinger_decoder_deps="libschroedinger"
1647libschroedinger_encoder_deps="libschroedinger"
ae14f311 1648libspeex_decoder_deps="libspeex"
b606a017 1649libspeex_encoder_deps="libspeex"
150d2772 1650libtheora_encoder_deps="libtheora"
d89e738a 1651libvo_aacenc_encoder_deps="libvo_aacenc"
f502ff3f 1652libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1653libvorbis_encoder_deps="libvorbis"
8299a7f8 1654libvpx_decoder_deps="libvpx"
ee0e9146 1655libvpx_encoder_deps="libvpx"
1cc60c47 1656libx264_encoder_deps="libx264"
de295976 1657libxavs_encoder_deps="libxavs"
1cc60c47 1658libxvid_encoder_deps="libxvid"
30fd06be 1659
912f3148 1660# demuxers / muxers
c2dd0e9e 1661ac3_demuxer_select="ac3_parser"
647c2356 1662asf_stream_muxer_select="asf_muxer"
4e622dea 1663avisynth_demuxer_deps="avisynth"
c2dd0e9e 1664dirac_demuxer_select="dirac_parser"
5b423887 1665eac3_demuxer_select="ac3_parser"
c2dd0e9e 1666flac_demuxer_select="flac_parser"
647c2356 1667ipod_muxer_select="mov_muxer"
31f16dc1 1668ismv_muxer_select="mov_muxer"
647c2356 1669matroska_audio_muxer_select="matroska_muxer"
2a91ada8 1670matroska_demuxer_suggest="bzlib lzo zlib"
4e622dea 1671mov_demuxer_suggest="zlib"
c2dd0e9e 1672mp3_demuxer_select="mpegaudio_parser"
647c2356 1673mp4_muxer_select="mov_muxer"
18bbca1f 1674mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
647c2356
DB
1675mpegtsraw_demuxer_select="mpegts_demuxer"
1676mxf_d10_muxer_select="mxf_muxer"
24ca518b 1677ogg_demuxer_select="golomb"
647c2356 1678psp_muxer_select="mov_muxer"
44594cc7 1679rtp_demuxer_select="sdp_demuxer"
18bbca1f 1680rtp_muxer_select="mpegvideo"
44b70ce5
MS
1681rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1682rtsp_demuxer_select="http_protocol rtpdec"
1683rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
01c8d258 1684sap_demuxer_select="sdp_demuxer"
2aab70c4 1685sap_muxer_select="rtp_muxer rtp_protocol"
44b70ce5 1686sdp_demuxer_select="rtpdec"
e772f9fa 1687smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1688spdif_muxer_select="aac_parser"
57231e4d 1689tak_demuxer_select="tak_parser"
647c2356
DB
1690tg2_muxer_select="mov_muxer"
1691tgp_muxer_select="mov_muxer"
6bdaa5f4 1692w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1693
1694# indevs / outdevs
38e54a75 1695alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1696alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1697bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1698dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1699fbdev_indev_deps="linux_fb_h"
38e54a75 1700jack_indev_deps="jack_jack_h"
e417d80d 1701libcdio_indev_deps="libcdio"
38e54a75 1702libdc1394_indev_deps="libdc1394"
38e54a75
SS
1703oss_indev_deps_any="soundcard_h sys_soundcard_h"
1704oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1705pulse_indev_deps="libpulse"
15d59d2c
B
1706sndio_indev_deps="sndio_h"
1707sndio_outdev_deps="sndio_h"
38e54a75 1708v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1709vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1710vfwcap_indev_extralibs="-lavicap32"
24f8961f 1711x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1712
912f3148 1713# protocols
acd554c1
SP
1714ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1715ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1716ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1717ffrtmphttp_protocol_deps="!librtmp_protocol"
1718ffrtmphttp_protocol_select="http_protocol"
998c1ee1 1719gopher_protocol_select="network"
c40e1757 1720httpproxy_protocol_select="tcp_protocol"
279a0c97 1721http_protocol_select="tcp_protocol"
183baead 1722https_protocol_select="tls_protocol"
c3b57d6e
DB
1723librtmp_protocol_deps="librtmp"
1724librtmpe_protocol_deps="librtmp"
1725librtmps_protocol_deps="librtmp"
1726librtmpt_protocol_deps="librtmp"
1727librtmpte_protocol_deps="librtmp"
c60a2d70 1728mmsh_protocol_select="http_protocol"
998c1ee1 1729mmst_protocol_select="network"
c3b57d6e 1730rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1731rtmp_protocol_select="tcp_protocol"
acd554c1 1732rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1733rtmps_protocol_deps="!librtmp_protocol"
1734rtmps_protocol_select="tls_protocol"
775c4d36 1735rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1736rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1737rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1738rtp_protocol_select="udp_protocol"
998c1ee1
DB
1739sctp_protocol_deps="struct_sctp_event_subscribe"
1740sctp_protocol_select="network"
1741tcp_protocol_select="network"
558d192d
MS
1742tls_protocol_deps_any="openssl gnutls"
1743tls_protocol_select="tcp_protocol"
998c1ee1 1744udp_protocol_select="network"
c08fb000 1745
6ebf0bfc 1746# filters
13fabd7a 1747blackframe_filter_deps="gpl"
ce6b6ef6 1748boxblur_filter_deps="gpl"
68b79bfc 1749cropdetect_filter_deps="gpl"
b157be1f 1750delogo_filter_deps="gpl"
a5b64584 1751drawtext_filter_deps="libfreetype"
2e5ff4d0 1752frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1753frei0r_filter_extralibs='$ldl'
a42bb9d6 1754frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1755frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1756hqdn3d_filter_deps="gpl"
d371e7b9 1757resample_filter_deps="avresample"
cf69ad35 1758ocv_filter_deps="libopencv"
2f296e39 1759scale_filter_deps="swscale"
acbac567 1760yadif_filter_deps="gpl"
6ebf0bfc 1761
5a0f7131 1762# libraries
d89f2fa9
DB
1763avcodec_deps="avutil"
1764avdevice_deps="avutil avcodec avformat"
1765avfilter_deps="avutil"
1766avformat_deps="avutil avcodec"
1767avresample_deps="avutil"
1768swscale_deps="avutil"
f7679c54 1769
912f3148 1770# programs
54fd593a
MS
1771avconv_deps="avcodec avfilter avformat avresample swscale"
1772avconv_select="aformat_filter asyncts_filter
1773 format_filter fps_filter scale_filter setpts_filter"
d173ede1 1774avplay_deps="avcodec avformat avresample swscale sdl"
266463da 1775avplay_select="rdft"
9e12f0bf 1776avprobe_deps="avcodec avformat"
b263bf66 1777avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1778avserver_extralibs='$ldl'
a2830dca 1779
c73f65d9 1780doc_deps="texi2html"
912f3148 1781
de6d9b64 1782# default parameters
8a608357 1783
19bd477d 1784logfile="config.log"
8a608357
MR
1785
1786# installation paths
c9d19248
MR
1787prefix_default="/usr/local"
1788bindir_default='${prefix}/bin'
6291d7e4 1789datadir_default='${prefix}/share/avconv'
c9d19248
MR
1790incdir_default='${prefix}/include'
1791libdir_default='${prefix}/lib'
1792mandir_default='${prefix}/share/man'
1793shlibdir_default="$libdir_default"
8a608357
MR
1794
1795# toolchain
121d78d0 1796ar_default="ar"
13c7df3d 1797cc_default="gcc"
9da6609f 1798host_cc_default="gcc"
4ebc6a74 1799cp_f="cp -f"
11e6d03a 1800ln_s="ln -sf"
2a8a860a 1801nm_default="nm -g"
11e6d03a 1802objformat="elf"
3f8040db 1803pkg_config_default=pkg-config
be7109c1 1804ranlib="ranlib"
11e6d03a 1805yasmexe="yasm"
8a608357 1806
3e0b1c9a 1807nogas=":"
8182dc34 1808
8a608357 1809# machine
8d4c00ed 1810arch_default=$(uname -m)
38d0a8aa 1811cpu="generic"
8a608357 1812
8a608357 1813# OS
8d4c00ed
MR
1814target_os_default=$(tolower $(uname -s))
1815host_os=$target_os_default
8a608357 1816
8a608357 1817# configurable options
d89f2fa9 1818enable $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 1819
3e0b1c9a
DB
1820enable asm
1821enable debug
1822enable doc
8400d6b8 1823enable optimizations
8cfbbd92 1824enable safe_bitstream_reader
530dc538 1825enable static
a9ddb5b1 1826enable swscale_alpha
8a608357 1827
8a608357 1828# build settings
9987769a 1829SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1830AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1831LIBPREF="lib"
1832LIBSUF=".a"
c5f14466
RP
1833FULLNAME='$(NAME)$(BUILDSUF)'
1834LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1835SLIBPREF="lib"
1836SLIBSUF=".so"
c5f14466 1837SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1838SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1839SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1840LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1841SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1842SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1843
68485d1f
MR
1844asflags_filter=echo
1845cflags_filter=echo
64933b6c
MR
1846ldflags_filter=echo
1847
23565c26 1848AS_C='-c'
bc877faf 1849AS_O='-o $@'
23565c26 1850CC_C='-c'
18031c49 1851CC_E='-E -o $@'
7e6c86e6 1852CC_O='-o $@'
a758c5e2 1853LD_O='-o $@'
8db73c61
MR
1854LD_LIB='-l%'
1855LD_PATH='-L'
23565c26 1856HOSTCC_C='-c'
a758c5e2 1857HOSTCC_O='-o $@'
095792f2 1858HOSTLD_O='-o $@'
7e6c86e6 1859
1d01fee9 1860host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
9da6609f 1861host_libs='-lm'
6c3fa06a
MR
1862host_cflags_filter=echo
1863host_ldflags_filter=echo
9da6609f 1864
9b861379 1865target_path='$(CURDIR)'
a7ada2ba 1866
a158446b
MR
1867# since the object filename is not given with the -MM flag, the compiler
1868# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
1869DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1870DEPFLAGS='-MM'
315c741d 1871
c597172e 1872# find source path
24524f36 1873if test -f configure; then
f038cf3c 1874 source_path=.
c597172e 1875else
8477f2de 1876 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1877 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1878 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1879 test -e "$source_path/config.h" &&
1880 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1881fi
1882
13cbe2c0 1883for v in "$@"; do
b04251c5
MR
1884 r=${v#*=}
1885 l=${v%"$r"}
1886 r=$(sh_quote "$r")
29ba0911 1887 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1888done
c597172e 1889
73ef8980
MR
1890find_things(){
1891 thing=$1
1892 pattern=$2
1893 file=$source_path/$3
932ccf39 1894 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1895}
1896
1897ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1898DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1899HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1900PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1901BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1902MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1903DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1904OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1905INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1906PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1907FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1908
54e75be4
DB
1909ALL_COMPONENTS="
1910 $BSF_LIST
1911 $DECODER_LIST
1912 $DEMUXER_LIST
1913 $ENCODER_LIST
1914 $FILTER_LIST
1915 $HWACCEL_LIST
1916 $INDEV_LIST
1917 $MUXER_LIST
1918 $OUTDEV_LIST
1919 $PARSER_LIST
1920 $PROTOCOL_LIST
1921"
1922
8469ae22
MR
1923for n in $COMPONENT_LIST; do
1924 v=$(toupper ${n%s})_LIST
1925 eval enable \$$v
1926 eval ${n}_if_any="\$$v"
1927done
1928
4b587848
DB
1929disable snow_decoder snow_encoder
1930
206a070d 1931enable $ARCH_EXT_LIST
c597172e
MR
1932
1933die_unknown(){
1934 echo "Unknown option \"$1\"."
1935 echo "See $0 --help for available options."
1936 exit 1
1937}
1938
794f8e97 1939show_list() {
bf0c4afa
RP
1940 suffix=_$1
1941 shift
2b444ea7 1942 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1943 exit 0
1944}
1945
154caa67
MR
1946rand_list(){
1947 IFS=', '
1948 set -- $*
1949 unset IFS
1950 for thing; do
1951 comp=${thing%:*}
1952 prob=${thing#$comp}
1953 prob=${prob#:}
1954 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1955 echo "prob ${prob:-0.5}"
1956 printf '%s\n' $comp
1957 done
1958}
1959
1960do_random(){
1961 action=$1
1962 shift
1963 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1964 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1965}
1966
c597172e 1967for opt do
7483e694
DB
1968 optval="${opt#*=}"
1969 case "$opt" in
ea061af1
DB
1970 --extra-ldflags=*)
1971 add_ldflags $optval
7e9e7cc2 1972 ;;
ea061af1
DB
1973 --extra-libs=*)
1974 add_extralibs $optval
7e9e7cc2 1975 ;;
ea061af1
DB
1976 --disable-devices)
1977 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 1978 ;;
ea061af1
DB
1979 --enable-debug=*)
1980 debuglevel="$optval"
7e9e7cc2
MR
1981 ;;
1982 --disable-programs)
1983 disable $PROGRAM_LIST
1984 ;;
1985 --disable-everything)
1986 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1987 ;;
1988 --enable-random|--disable-random)
1989 action=${opt%%-random}
1990 do_random ${action#--} $COMPONENT_LIST
1991 ;;
1992 --enable-random=*|--disable-random=*)
1993 action=${opt%%-random=*}
1994 do_random ${action#--} $optval
1995 ;;
1996 --enable-*=*|--disable-*=*)
1997 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1998 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1999 eval list=\$$(toupper $thing)_LIST
2000 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2001 $action $(filter "$name" $list)
2002 ;;
2003 --enable-?*|--disable-?*)
2004 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2005 if is_in $option $COMPONENT_LIST; then
2006 test $action = disable && action=unset
2007 eval $action \$$(toupper ${option%s})_LIST
2008 elif is_in $option $CMDLINE_SELECT; then
2009 $action $option
2010 else
2011 die_unknown $opt
2012 fi
2013 ;;
2014 --list-*)
2015 NAME="${opt#--list-}"
2016 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2017 NAME=${NAME%s}
2018 eval show_list $NAME \$$(toupper $NAME)_LIST
2019 ;;
2020 --help|-h) show_help
2021 ;;
2022 *)
2023 optname="${opt%%=*}"
2024 optname="${optname#--}"
2025 optname=$(echo "$optname" | sed 's/-/_/g')
2026 if is_in $optname $CMDLINE_SET; then
2027 eval $optname='$optval'
2028 elif is_in $optname $CMDLINE_APPEND; then
2029 append $optname "$optval"
2030 else
2031 die_unknown $opt
2032 fi
2033 ;;
7483e694 2034 esac
c597172e
MR
2035done
2036
bcea99bb
MR
2037disabled logging && logfile=/dev/null
2038
29ba0911 2039echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2040set >> $logfile
2041
9da6609f
MR
2042test -n "$cross_prefix" && enable cross_compile
2043
8d4c00ed
MR
2044if enabled cross_compile; then
2045 test -n "$arch" && test -n "$target_os" ||
2046 die "Must specify target arch and OS when cross-compiling"
2047fi
2048
121d78d0 2049ar_default="${cross_prefix}${ar_default}"
11e6d03a 2050cc_default="${cross_prefix}${cc_default}"
20e0ed95 2051nm_default="${cross_prefix}${nm_default}"
3f8040db 2052pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2053ranlib="${cross_prefix}${ranlib}"
adb2b908 2054
c5200f17
MR
2055sysinclude_default="${sysroot}/usr/include"
2056
aeeb782c 2057case "$toolchain" in
0fbb62a8
LB
2058 clang-asan)
2059 cc_default="clang"
2060 add_cflags -faddress-sanitizer
2061 add_ldflags -faddress-sanitizer
2062 ;;
2063 clang-tsan)
2064 cc_default="clang"
2065 add_cflags -fthread-sanitizer
2066 add_ldflags -fthread-sanitizer
2067 ;;
aeeb782c
MR
2068 msvc)
2069 cc_default="c99wrap cl"
2070 ld_default="c99wrap link"
2071 nm_default="dumpbin -symbols"
ac3a9b51 2072 ar_default="lib"
53e8cd68 2073 target_os_default="win32"
aeeb782c
MR
2074 ;;
2075 ?*)
2076 die "Unknown toolchain $toolchain"
2077 ;;
2078esac
2079
53e8cd68 2080set_default arch cc pkg_config sysinclude target_os
9da6609f
MR
2081enabled cross_compile || host_cc_default=$cc
2082set_default host_cc
13c7df3d 2083
762f95e4
MR
2084if ! $pkg_config --version >/dev/null 2>&1; then
2085 warn "$pkg_config not found, library detection may fail."
2086 pkg_config=false
2087fi
2088
82bb3329
MR
2089exesuf() {
2090 case $1 in
53e8cd68 2091 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2092 esac
2093}
2094
2095EXESUF=$(exesuf $target_os)
2096HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2097
e4e69e0b 2098# set temporary file name
a49d42c2 2099: ${TMPDIR:=$TEMPDIR}
c51fafa1 2100: ${TMPDIR:=$TMP}
a49d42c2 2101: ${TMPDIR:=/tmp}
e4e69e0b 2102
a210bce2 2103if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2104 # simple replacement for missing mktemp
2105 # NOT SAFE FOR GENERAL USE
2106 mktemp(){
09a5c245 2107 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2108 }
2109fi
2110
2111tmpfile(){
2112 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2113 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2114 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2115 append TMPFILES $tmp
2116 eval $1=$tmp
2117}
2118
2119trap 'rm -f -- $TMPFILES' EXIT
54460a83 2120
55127e7b 2121tmpfile TMPASM .asm
3e0b1c9a
DB
2122tmpfile TMPC .c
2123tmpfile TMPE $EXESUF
2124tmpfile TMPH .h
2125tmpfile TMPO .o
2126tmpfile TMPS .S
2127tmpfile TMPSH .sh
2128tmpfile TMPV .ver
54460a83
MR
2129
2130unset -f mktemp
e4e69e0b 2131
fb3c4ffc
MR
2132chmod +x $TMPE
2133
993f2d0f
MR
2134# make sure we can execute files in $TMPDIR
2135cat > $TMPSH 2>> $logfile <<EOF
2136#! /bin/sh
2137EOF
2138chmod +x $TMPSH >> $logfile 2>&1
2139if ! $TMPSH >> $logfile 2>&1; then
2140 cat <<EOF
2141Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2142variable to another directory and make sure that it is not mounted noexec.
2143EOF
2144 die "Sanity test failed."
2145fi
993f2d0f 2146
457cc333
MR
2147ccc_flags(){
2148 for flag; do
2149 case $flag in
2150 -std=c99) echo -c99 ;;
2151 -mcpu=*) echo -arch ${flag#*=} ;;
2152 -mieee) echo -ieee ;;
2153 -O*|-fast) echo $flag ;;
2154 -fno-math-errno) echo -assume nomath_errno ;;
2155 -g) echo -g3 ;;
2156 -Wall) echo -msg_enable level2 ;;
2157 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2158 -Wl,*) echo $flag ;;
2159 -f*|-W*) ;;
2160 *) echo $flag ;;
2161 esac
2162 done
2163}
2164
dfa559bc
RB
2165msvc_flags(){
2166 for flag; do
2167 case $flag in
2168 -fomit-frame-pointer) echo -Oy ;;
2169 -g) echo -Z7 ;;
2170 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2171 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4a185ed2 2172 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
d66c52c2 2173 -wd4996 -wd4273 ;;
dfa559bc
RB
2174 -std=c99) ;;
2175 -fno-math-errno) ;;
2176 -fno-common) ;;
2177 -fno-signed-zeros) ;;
2178 -lz) echo zlib.lib ;;
bd680c7b
DB
2179 -lavifil32) echo vfw32.lib ;;
2180 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2181 -l*) echo ${flag#-l}.lib ;;
2182 *) echo $flag ;;
2183 esac
2184 done
2185}
2186
d0c6d424
MR
2187pgi_flags(){
2188 for flag; do
2189 case $flag in
643933f5 2190 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2191 -fomit-frame-pointer) echo -Mnoframe ;;
2192 -g) echo -gopt ;;
2193 *) echo $flag ;;
2194 esac
2195 done
2196}
2197
2198suncc_flags(){
2199 for flag; do
2200 case $flag in
2201 -march=*|-mcpu=*)
2202 case "${flag#*=}" in
2203 native) echo -xtarget=native ;;
2204 v9|niagara) echo -xarch=sparc ;;
2205 ultrasparc) echo -xarch=sparcvis ;;
2206 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2207 i586|pentium) echo -xchip=pentium ;;
2208 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2209 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2210 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2211 pentium4*) echo -xtarget=pentium4 ;;
2212 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2213 *-sse3) echo -xarch=sse3 ;;
2214 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2215 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2216 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2217 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
d0c6d424
MR
2218 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2219 k8|opteron|athlon64|athlon-fx)
2220 echo -xarch=sse2a ;;
2221 athlon*) echo -xarch=pentium_proa ;;
2222 esac
2223 ;;
2224 -std=c99) echo -xc99 ;;
2225 -fomit-frame-pointer) echo -xregs=frameptr ;;
2226 -fPIC) echo -KPIC -xcode=pic32 ;;
2227 -W*,*) echo $flag ;;
2228 -f*-*|-W*) ;;
2229 *) echo $flag ;;
2230 esac
2231 done
2232}
2233
2234tms470_flags(){
2235 for flag; do
2236 case $flag in
2237 -march=*|-mcpu=*)
2238 case "${flag#*=}" in
2239 armv7-a|cortex-a*) echo -mv=7a8 ;;
2240 armv7-r|cortex-r*) echo -mv=7r4 ;;
2241 armv7-m|cortex-m*) echo -mv=7m3 ;;
2242 armv6*|arm11*) echo -mv=6 ;;
2243 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2244 echo -mv=5e ;;
2245 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2246 esac
2247 ;;
2248 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2249 -mfpu=vfp) echo --float_support=vfpv2 ;;
2250 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2251 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2252 -msoft-float) echo --float_support=vfplib ;;
2253 -O[0-3]|-mf=*) echo $flag ;;
2254 -g) echo -g -mn ;;
2255 -pds=*) echo $flag ;;
ad93dccb
MR
2256 -D*|-I*) echo $flag ;;
2257 --gcc|--abi=*) echo $flag ;;
2258 -me) echo $flag ;;
d0c6d424
MR
2259 esac
2260 done
2261}
2262
a758c5e2
MR
2263probe_cc(){
2264 pfx=$1
2265 _cc=$2
2266
8db73c61
MR
2267 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2268 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2269 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2270 _flags_filter=echo
2271
2272 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2273 _type=llvm_gcc
2274 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2275 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2276 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2277 _cflags_speed='-O3'
2278 _cflags_size='-Os'
2279 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2280 _type=gcc
2281 gcc_version=$($_cc --version | head -n1)
2282 gcc_basever=$($_cc -dumpversion)
2283 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2284 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2285 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2286 if ! $_cc -dumpversion | grep -q '^2\.'; then
2287 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2288 fi
2289 _cflags_speed='-O3'
2290 _cflags_size='-Os'
2291 elif $_cc --version 2>/dev/null | grep -q Intel; then
2292 _type=icc
2293 _ident=$($_cc --version | head -n1)
2294 _depflags='-MMD'
2295 _cflags_speed='-O3'
2296 _cflags_size='-Os'
2297 _cflags_noopt='-O1'
2298 elif $_cc -v 2>&1 | grep -q xlc; then
2299 _type=xlc
2300 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2301 _cflags_speed='-O5'
2302 _cflags_size='-O5 -qcompact'
2303 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2304 _type=ccc
2305 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2306 _DEPFLAGS='-M'
a758c5e2
MR
2307 _cflags_speed='-fast'
2308 _cflags_size='-O1'
457cc333 2309 _flags_filter=ccc_flags
a758c5e2
MR
2310 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2311 test -d "$sysroot" || die "No valid sysroot specified."
2312 _type=armcc
2313 _ident=$($_cc --vsn | head -n1)
2314 armcc_conf="$PWD/armcc.conf"
2315 $_cc --arm_linux_configure \
2316 --arm_linux_config_file="$armcc_conf" \
2317 --configure_sysroot="$sysroot" \
2318 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2319 die "Error creating armcc configuration file."
2320 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2321 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2322 as_default="${cross_prefix}gcc"
2323 _depflags='-MMD'
2324 _cflags_speed='-O3'
2325 _cflags_size='-Os'
0122118e 2326 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2327 _type=tms470
2328 _ident=$($_cc -version | head -n1 | tr -s ' ')
2329 _flags='--gcc --abi=eabi -me'
18031c49 2330 _cc_e='-ppl -fe=$@'
a758c5e2 2331 _cc_o='-fe=$@'
a758c5e2
MR
2332 _depflags='-ppa -ppd=$(@:.o=.d)'
2333 _cflags_speed='-O3 -mf=5'
2334 _cflags_size='-O3 -mf=2'
2335 _flags_filter=tms470_flags
2336 elif $_cc -v 2>&1 | grep -q clang; then
2337 _type=clang
2338 _ident=$($_cc --version | head -n1)
2339 _depflags='-MMD'
2340 _cflags_speed='-O3'
2341 _cflags_size='-Os'
2342 elif $_cc -V 2>&1 | grep -q Sun; then
2343 _type=suncc
2344 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2345 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2346 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2347 _ldflags='-std=c99'
2348 _cflags_speed='-O5'
2349 _cflags_size='-O5 -xspace'
2350 _flags_filter=suncc_flags
2351 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2352 _type=pathscale
2353 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2354 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2355 _cflags_speed='-O2'
2356 _cflags_size='-Os'
2357 _flags_filter='filter_out -Wdisabled-optimization'
2358 elif $_cc -v 2>&1 | grep -q Open64; then
2359 _type=open64
2360 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2361 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2362 _cflags_speed='-O2'
2363 _cflags_size='-Os'
2364 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2365 elif $_cc -V 2>&1 | grep -q Portland; then
2366 _type=pgi
2367 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2368 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2369 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2370 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2371 _cflags_noopt="-O1"
2372 _flags_filter=pgi_flags
dfa559bc
RB
2373 elif $_cc 2>&1 | grep -q Microsoft; then
2374 _type=msvc
2375 _ident=$($cc 2>&1 | head -n1)
2376 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2377 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2378 _cflags_speed="-O2"
2379 _cflags_size="-O1"
2380 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2381 if $_cc 2>&1 | grep -q Linker; then
2382 _ld_o='-out $@'
2383 else
2384 _ld_o='-Fe$@'
2385 fi
2386 _cc_o='-Fo $@'
a224b2cb 2387 _cc_e='-P -Fi $@'
dfa559bc
RB
2388 _flags_filter=msvc_flags
2389 _ld_lib='lib%.a'
2390 _ld_path='-libpath:'
2391 _flags='-nologo'
2392 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2393 if [ $pfx = hostcc ]; then
6a0200f2 2394 append _cflags -Dsnprintf=_snprintf
dfa559bc 2395 fi
aef6bd1b 2396 fi
a758c5e2
MR
2397
2398 eval ${pfx}_type=\$_type
2399 eval ${pfx}_ident=\$_ident
2400}
2401
2402set_ccvars(){
23565c26 2403 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2404 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2405 eval ${1}_O=\${_cc_o-\${${1}_O}}
2406
2407 if [ -n "$_depflags" ]; then
2408 eval ${1}_DEPFLAGS=\$_depflags
2409 else
2410 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2411 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2412 eval DEP${1}FLAGS=\$_flags
2413 fi
2414}
2415
2416probe_cc cc "$cc"
2417cflags_filter=$_flags_filter
2418cflags_speed=$_cflags_speed
2419cflags_size=$_cflags_size
2420cflags_noopt=$_cflags_noopt
2421add_cflags $_flags $_cflags
2422cc_ldflags=$_ldflags
2423set_ccvars CC
2424
2425probe_cc hostcc "$host_cc"
2426host_cflags_filter=$_flags_filter
a758c5e2 2427add_host_cflags $_flags $_cflags
a758c5e2 2428set_ccvars HOSTCC
629687f6 2429
851ffa80
MR
2430test -n "$cc_type" && enable $cc_type ||
2431 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2432
75bafbac 2433: ${as_default:=$cc}
50567afa 2434: ${dep_cc_default:=$cc}
684b28e0 2435: ${ld_default:=$cc}
095792f2
MR
2436: ${host_ld_default:=$host_cc}
2437set_default ar as dep_cc ld host_ld
75800dce 2438
a758c5e2
MR
2439probe_cc as "$as"
2440asflags_filter=$_flags_filter
2441add_asflags $_flags $_cflags
2442set_ccvars AS
2443
2444probe_cc ld "$ld"
2445ldflags_filter=$_flags_filter
2446add_ldflags $_flags $_ldflags
2447test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2448LD_O=${_ld_o-$LD_O}
8db73c61
MR
2449LD_LIB=${_ld_lib-$LD_LIB}
2450LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2451
095792f2
MR
2452probe_cc hostld "$host_ld"
2453host_ldflags_filter=$_flags_filter
2454add_host_ldflags $_flags $_ldflags
2455HOSTLD_O=${_ld_o-$HOSTLD_O}
2456
a758c5e2
MR
2457if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2458 probe_cc depcc "$dep_cc"
2459 CCDEP=${_DEPCMD:-$DEPCMD}
2460 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2461 DEPCCFLAGS=$_flags
2462fi
07dec06e 2463
3dbc777c
MR
2464if $ar 2>&1 | grep -q Microsoft; then
2465 arflags="-nologo"
2466 ar_o='-out:$@'
2467elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2468 arflags="rq"
2469 ar_o='$@'
2470else
2471 arflags="rc"
2472 ar_o='$@'
2473fi
2474
7f32f40c 2475add_cflags $extra_cflags
2f2e6c7c 2476add_asflags $extra_cflags
7f32f40c 2477
154d432c
MR
2478if test -n "$sysroot"; then
2479 case "$cc_type" in
00ba041c 2480 gcc|llvm_gcc|clang)
467256f2 2481 add_cppflags --sysroot="$sysroot"
154d432c
MR
2482 add_ldflags --sysroot="$sysroot"
2483 ;;
6fec122a
MR
2484 tms470)
2485 add_cppflags -I"$sysinclude"
2486 add_ldflags --sysroot="$sysroot"
2487 ;;
154d432c
MR
2488 esac
2489fi
2490
d22c13a8
MR
2491if test "$cpu" = host; then
2492 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2493
2494 case "$cc_type" in
613a4e3f 2495 gcc|llvm_gcc)
d22c13a8
MR
2496 check_native(){
2497 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2498 sed -n "/cc1.*$1=/{
27ce1be8
MR
2499 s/.*$1=\\([^ ]*\\).*/\\1/
2500 p
2501 q
2502 }" $TMPE
d22c13a8
MR
2503 }
2504 cpu=$(check_native -march || check_native -mcpu)
2505 ;;
2506 esac
2507
2508 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2509fi
2510
e939cedd
MR
2511# Deal with common $arch aliases
2512case "$arch" in
5873b623
MR
2513 aarch64|arm64)
2514 arch="aarch64"
2515 ;;
e939cedd
MR
2516 arm*)
2517 arch="arm"
2518 ;;
2acda282 2519 mips*|IP*)
e939cedd
MR
2520 arch="mips"
2521 ;;
a6e9d649 2522 parisc*|hppa*)
e939cedd
MR
2523 arch="parisc"
2524 ;;
56203596 2525 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2526 arch="ppc"
2527 ;;
e939cedd
MR
2528 s390|s390x)
2529 arch="s390"
2530 ;;
2531 sh4|sh)
2532 arch="sh4"
2533 ;;
4cd217c0 2534 sun4u|sparc*)
e939cedd 2535 arch="sparc"
e939cedd 2536 ;;
c75848cd
DB
2537 tilegx|tile-gx)
2538 arch="tilegx"
2539 ;;
d33ed7b3 2540 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2541 arch="x86"
2542 ;;
2543esac
2544
851ffa80 2545is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2546enable $arch
e939cedd 2547
df5cdc24 2548# Add processor-specific flags
9ebd45c2 2549if enabled aarch64; then
33db40f8
MR
2550
2551 case $cpu in
2552 armv*)
2553 cpuflags="-march=$cpu"
2554 ;;
2555 *)
2556 cpuflags="-mcpu=$cpu"
2557 ;;
2558 esac
2559
2560elif enabled alpha; then
2561
2562 cpuflags="-mcpu=$cpu"
2563
2564elif enabled arm; then
2565
1234c66a
MR
2566 check_arm_arch() {
2567 check_cpp_condition stddef.h \
2568 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2569 $cpuflags
2570 }
2571
2572 probe_arm_arch() {
2573 if check_arm_arch 4; then echo armv4;
2574 elif check_arm_arch 4T; then echo armv4t;
2575 elif check_arm_arch 5; then echo armv5;
2576 elif check_arm_arch 5E; then echo armv5e;
2577 elif check_arm_arch 5T; then echo armv5t;
2578 elif check_arm_arch 5TE; then echo armv5te;
2579 elif check_arm_arch 5TEJ; then echo armv5te;
2580 elif check_arm_arch 6; then echo armv6;
2581 elif check_arm_arch 6J; then echo armv6j;
2582 elif check_arm_arch 6K; then echo armv6k;
2583 elif check_arm_arch 6Z; then echo armv6z;
2584 elif check_arm_arch 6ZK; then echo armv6zk;
2585 elif check_arm_arch 6T2; then echo armv6t2;
2586 elif check_arm_arch 7; then echo armv7;
2587 elif check_arm_arch 7A 7_A; then echo armv7-a;
2588 elif check_arm_arch 7R 7_R; then echo armv7-r;
2589 elif check_arm_arch 7M 7_M; then echo armv7-m;
2590 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2591 elif check_arm_arch 8A 8_A; then echo armv8-a;
2592 fi
2593 }
2594
2595 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2596
33db40f8
MR
2597 case $cpu in
2598 armv*)
2599 cpuflags="-march=$cpu"
2600 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2601 ;;
2602 *)
2603 cpuflags="-mcpu=$cpu"
2604 case $cpu in
2605 cortex-a*) subarch=armv7a ;;
2606 cortex-r*) subarch=armv7r ;;
2607 cortex-m*) enable thumb; subarch=armv7m ;;
2608 arm11*) subarch=armv6 ;;
2609 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2610 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 2611 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
2612 esac
2613 ;;
2614 esac
2615
f0fe245b
MR
2616 case "$subarch" in
2617 armv5t*) enable fast_clz ;;
2618 armv[6-8]*) enable fast_clz fast_unaligned ;;
2619 esac
2620
33db40f8
MR
2621elif enabled avr32; then
2622
2623 case $cpu in
2624 ap7[02]0[0-2])
2625 subarch="avr32_ap"
2626 cpuflags="-mpart=$cpu"
2627 ;;
2628 ap)
2629 subarch="avr32_ap"
2630 cpuflags="-march=$cpu"
2631 ;;
2632 uc3[ab]*)
2633 subarch="avr32_uc"
2634 cpuflags="-mcpu=$cpu"
2635 ;;
2636 uc)
2637 subarch="avr32_uc"
2638 cpuflags="-march=$cpu"
2639 ;;
2640 esac
2641
2642elif enabled bfin; then
2643
2644 cpuflags="-mcpu=$cpu"
2645
2646elif enabled mips; then
2647
2648 cpuflags="-march=$cpu"
2649
5d54c126 2650elif enabled ppc; then
343aef9b 2651
56348891
MR
2652 case $(tolower $cpu) in
2653 601|ppc601|powerpc601)
9dbd5c3d 2654 cpuflags="-mcpu=601"
64ad53ff 2655 disable altivec
9dbd5c3d 2656 ;;
56348891 2657 603*|ppc603*|powerpc603*)
9dbd5c3d 2658 cpuflags="-mcpu=603"
64ad53ff 2659 disable altivec
9dbd5c3d 2660 ;;
56348891 2661 604*|ppc604*|powerpc604*)
9dbd5c3d 2662 cpuflags="-mcpu=604"
64ad53ff 2663 disable altivec
9dbd5c3d 2664 ;;
56348891 2665 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 2666 cpuflags="-mcpu=750"
64ad53ff 2667 disable altivec
9dbd5c3d 2668 ;;
56348891 2669 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 2670 cpuflags="-mcpu=7450"
9dbd5c3d 2671 ;;
56348891 2672 74*|ppc74*|powerpc74*)
7f1fcaf0 2673 cpuflags="-mcpu=7400"
9dbd5c3d 2674 ;;
313f9fbf 2675 g5|970|ppc970|powerpc970)
7f1fcaf0 2676 cpuflags="-mcpu=970"
9dbd5c3d 2677 ;;
313f9fbf 2678 power[3-7]*)
7f1fcaf0 2679 cpuflags="-mcpu=$cpu"
313f9fbf 2680 ;;
56348891 2681 cell)
9dbd5c3d
MR
2682 cpuflags="-mcpu=cell"
2683 enable ldbrx
2684 ;;
4ab26cb4
DB
2685 e500mc)
2686 cpuflags="-mcpu=e500mc"
2687 disable altivec
2688 ;;
7b0b81a1
AL
2689 e500v2)
2690 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2691 disable altivec
2692 ;;
2693 e500)
2694 cpuflags="-mcpu=8540 -mhard-float"
2695 disable altivec
2696 ;;
9dbd5c3d 2697 esac
343aef9b 2698
33db40f8
MR
2699elif enabled sparc; then
2700
2701 case $cpu in
2702 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2703 cpuflags="-mcpu=$cpu"
2704 disable vis
2705 ;;
2706 ultrasparc*|niagara[234])
2707 cpuflags="-mcpu=$cpu"
2708 ;;
2709 esac
2710
343aef9b
MR
2711elif enabled x86; then
2712
9dbd5c3d
MR
2713 case $cpu in
2714 i[345]86|pentium)
2715 cpuflags="-march=$cpu"
2716 disable mmx
2717 ;;
2718 # targets that do NOT support conditional mov (cmov)
2719 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2720 cpuflags="-march=$cpu"
2721 disable cmov
2722 ;;
2723 # targets that do support conditional mov (cmov)
f2ce813e 2724 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d
MR
2725 cpuflags="-march=$cpu"
2726 enable cmov
2727 enable fast_cmov
2728 ;;
2729 # targets that do support conditional mov but on which it's slow
2730 pentium4|pentium4m|prescott|nocona)
2731 cpuflags="-march=$cpu"
2732 enable cmov
2733 disable fast_cmov
2734 ;;
2735 esac
343aef9b 2736
343aef9b
MR
2737fi
2738
9ebd45c2
MR
2739if [ "$cpu" != generic ]; then
2740 add_cflags $cpuflags
2741 add_asflags $cpuflags
2742fi
df5cdc24 2743
993f2d0f
MR
2744# compiler sanity check
2745check_exec <<EOF
2746int main(void){ return 0; }
2747EOF
2748if test "$?" != 0; then
2749 echo "$cc is unable to create an executable file."
2750 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2751 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2752 echo "Only do this if you know what cross compiling means."
2753 fi
2754 die "C compiler test failed."
2755fi
2756
046f081b 2757add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2758check_cflags -std=c99
50a334e4 2759check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2760#include <stdlib.h>
2761EOF
50a334e4 2762check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2763#include <stdlib.h>
2764EOF
e9b9a2f8 2765
f0125de9 2766check_host_cflags -std=c99
0a6db2a2 2767check_host_cflags -Wall
f0125de9 2768
d4c99513
MR
2769check_64bit(){
2770 arch32=$1
2771 arch64=$2
2772 expr=$3
2773 check_code cc "" "int test[2*($expr) - 1]" &&
2774 subarch=$arch64 || subarch=$arch32
2775}
2776
b24dbcbd 2777case "$arch" in
4cd217c0 2778 alpha|ia64)
2acda282
MR
2779 spic=$shared
2780 ;;
2781 mips)
2782 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 2783 spic=$shared
b24dbcbd 2784 ;;
a6e9d649
MR
2785 parisc)
2786 check_64bit parisc parisc64 'sizeof(void *) > 4'
2787 spic=$shared
2788 ;;
56203596
MR
2789 ppc)
2790 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 2791 spic=$shared
56203596 2792 ;;
4cd217c0
MR
2793 sparc)
2794 check_64bit sparc sparc64 'sizeof(void *) > 4'
2795 spic=$shared
2796 ;;
e939cedd 2797 x86)
d4c99513 2798 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 2799 if test "$subarch" = "x86_64"; then
e939cedd 2800 spic=$shared
de27f4d9 2801 fi
b24dbcbd 2802 ;;
b24dbcbd
RP
2803esac
2804
343aef9b 2805enable $subarch
8a3c8627 2806enabled spic && enable pic
b24dbcbd 2807
7483e694 2808# OS specific
4f854758 2809case $target_os in
a1629e28 2810 haiku)
63ae7e7c 2811 prefix_default="/boot/common"
108caaaa 2812 network_extralibs="-lnetwork"
f59c4bd6 2813 host_libs=
a1629e28 2814 ;;
7483e694 2815 sunos)
4d58e4cb 2816 AVSERVERLDFLAGS=""
9987769a 2817 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2818 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2819 network_extralibs="-lsocket -lnsl"
779222db 2820 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2821 # When using suncc to build, the Solaris linker will mark
2822 # an executable with each instruction set encountered by
2823 # the Solaris assembler. As our libraries contain their own
2824 # guards for processor-specific code, instead suppress
2825 # generation of the HWCAPS ELF section on Solaris x86 only.
2826 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2a8a860a 2827 nm_default='nm -P -g'
7483e694
DB
2828 ;;
2829 netbsd)
a1e4b3f6 2830 disable symver
07a8eef6
MR
2831 oss_indev_extralibs="-lossaudio"
2832 oss_outdev_extralibs="-lossaudio"
7483e694 2833 ;;
d488c3bc 2834 openbsd|bitrig)
7c4a001a 2835 # On OpenBSD 4.5. the compiler does not use PIC unless
070c5d0f 2836 # explicitly using -fPIC. Libav builds fine without PIC,
7c4a001a
MR
2837 # however the generated executable will not do anything
2838 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2839 # Thus explicitly enable PIC here.
cd78208b 2840 enable pic
a1e4b3f6 2841 disable symver
7483e694 2842 SHFLAGS='-shared'
d5683aba
BS
2843 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2844 SLIB_INSTALL_LINKS=
07a8eef6
MR
2845 oss_indev_extralibs="-lossaudio"
2846 oss_outdev_extralibs="-lossaudio"
7483e694 2847 ;;
a1e4b3f6 2848 dragonfly)
a1e4b3f6
MR
2849 disable symver
2850 ;;
2851 freebsd)
7483e694
DB
2852 ;;
2853 bsd/os)
355d81df 2854 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2855 ;;
2856 darwin)
301ab19d 2857 gas="gas-preprocessor.pl $cc"
e08b8239 2858 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2859 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2860 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2861 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2862 SLIBSUF=".dylib"
2863 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2864 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2865 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2866 objformat="macho"
1b0f6fb8 2867 enabled x86_64 && objformat="macho64"
8dfa86f7 2868 enabled_any pic shared ||
2704bd1a 2869 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2870 ;;
2871 mingw32*)
9d3f4f50 2872 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2873 disable network
2874 else
2875 target_os=mingw32
2876 fi
dcc01c06 2877 LIBTARGET=i386
1fc9fb8a 2878 if enabled x86_64; then
417516f6 2879 LIBTARGET="i386:x86-64"
336cc1b0 2880 elif enabled arm; then
15c5156d 2881 LIBTARGET=arm-wince
dcc01c06 2882 fi
fbd971a4 2883 shlibdir_default="$bindir_default"
7483e694
DB
2884 SLIBPREF=""
2885 SLIBSUF=".dll"
7483e694
DB
2886 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2887 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
eb7018d2 2888 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2f138f0b
MR
2889 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2890 SLIB_INSTALL_LINKS=
2891 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2892 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
eb7018d2 2893 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2894 objformat="win32"
ec10a9ab 2895 dlltool="${cross_prefix}dlltool"
a3222470 2896 ranlib=:
bc574408 2897 enable dos_paths
5666a9f2 2898 add_cppflags -U__STRICT_ANSI__
7483e694 2899 ;;
53e8cd68 2900 win32|win64)
d66c52c2
MS
2901 if enabled shared; then
2902 # Link to the import library instead of the normal static library
2903 # for shared libs.
2904 LD_LIB='%.lib'
2905 # Cannot build shared and static libraries at the same time with
2906 # MSVC.
2907 disable static
2908 fi
2909 shlibdir_default="$bindir_default"
2910 SLIBPREF=""
2911 SLIBSUF=".dll"
2912 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2913 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2914 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
2915 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2916 SLIB_INSTALL_LINKS=
2917 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2918 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2919 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
53e8cd68
MS
2920 objformat="win32"
2921 ranlib=:
2922 enable dos_paths
2923 ;;
7483e694 2924 cygwin*)
4f854758 2925 target_os=cygwin
fbd971a4 2926 shlibdir_default="$bindir_default"
7483e694
DB
2927 SLIBPREF="cyg"
2928 SLIBSUF=".dll"
2929 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2930 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
2931 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2932 SLIB_INSTALL_LINKS=
2933 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2934 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 2935 objformat="win32"
bc574408 2936 enable dos_paths
7483e694 2937 ;;
4f365f37 2938 *-dos|freedos|opendos)
4f365f37 2939 network_extralibs="-lsocket"
ff1c015d 2940 objformat="coff"
bc574408 2941 enable dos_paths
a7a187a1 2942 add_cppflags -U__STRICT_ANSI__
4f365f37 2943 ;;
7483e694 2944 linux)
7483e694
DB
2945 enable dv1394
2946 ;;
2947 irix*)
4f854758 2948 target_os=irix
7483e694
DB
2949 ranlib="echo ignoring ranlib"
2950 ;;
d22e8442 2951 os/2*)
d22e8442 2952 ln_s="cp -f"
9297f1ed 2953 objformat="aout"
e14574eb 2954 add_cppflags -D_GNU_SOURCE
355d81df 2955 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2956 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 2957 AVSERVERLDFLAGS=""
287d3b13 2958 LIBSUF="_s.a"
d22e8442
DY
2959 SLIBPREF=""
2960 SLIBSUF=".dll"
2961 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2962 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62 2963 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
f69f51b3
DB
2964 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2965 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2966 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2967 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2968 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
71c61f62 2969 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
f69f51b3 2970 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 2971 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 2972 enable dos_paths
d22e8442 2973 ;;
83993c1c 2974 gnu/kfreebsd)
3bd1eacd 2975 add_cppflags -D_BSD_SOURCE
83993c1c 2976 ;;
34e82167 2977 gnu)
34e82167 2978 ;;
d33ed7b3
MR
2979 qnx)
2980 add_cppflags -D_QNX_SOURCE
2981 network_extralibs="-lsocket"
2982 ;;
1c69c79f
MS
2983 symbian)
2984 SLIBSUF=".dll"
2985 enable dos_paths
e3bc07f4
MS
2986 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2987 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2988 add_ldflags -Wl,--target1-abs,--no-undefined \
2989 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2990 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2991 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2992 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2993 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 2994 ;;
fdd66609
MR
2995 osf1)
2996 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
2997 AVSERVERLDFLAGS=
2998 ;;
741a8b72
MR
2999 minix)
3000 ;;
4ebc6a74
MR
3001 plan9)
3002 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3003 -D_REENTRANT_SOURCE \
3004 -D_RESEARCH_SOURCE \
3005 -DFD_SETSIZE=96 \
3006 -DHAVE_SOCK_OPTS
3007 add_compat strtod.o strtod=avpriv_strtod
3008 network_extralibs='-lbsd'
3009 exeobjs=compat/plan9/main.o
3010 disable avserver
3011 ln_s='ln -s -f'
3012 cp_f='cp'
3013 ;;
614d8911
MR
3014 none)
3015 ;;
7483e694 3016 *)
4f924f9a 3017 die "Unknown OS '$target_os'."
7483e694
DB
3018 ;;
3019esac
3020
b797f3c4
MR
3021# determine libc flavour
3022
3023if check_cpp_condition features.h "defined __UCLIBC__"; then
3024 libc_type=uclibc
3bd1eacd 3025 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3026elif check_cpp_condition features.h "defined __GLIBC__"; then
3027 libc_type=glibc
3bd1eacd 3028 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3029elif check_header _mingw.h; then
3030 libc_type=mingw
3031 check_cpp_condition _mingw.h \
3032 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3033 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3034 die "ERROR: MinGW runtime version must be >= 3.15."
3035elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3036 libc_type=newlib
8f7b814f 3037 add_cppflags -U__STRICT_ANSI__
4fa661a8
RB
3038elif check_func_headers stdlib.h _get_doserrno; then
3039 libc_type=msvcrt
84e65c76
MR
3040 add_compat strtod.o strtod=avpriv_strtod
3041 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3042 _snprintf=avpriv_snprintf \
3043 vsnprintf=avpriv_vsnprintf
b797f3c4
MR
3044elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3045 libc_type=klibc
3046fi
3047
3048test -n "$libc_type" && enable $libc_type
3049
5ab432fa
MR
3050# hacks for compiler/libc/os combinations
3051
3052if enabled_all tms470 glibc; then
b6f8d635 3053 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5ab432fa
MR
3054 add_cppflags -D__USER_LABEL_PREFIX__=
3055 add_cppflags -D__builtin_memset=memset
3056 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3057 add_cflags -pds=48 # incompatible redefinition of macro
3058fi
3059
457cc333
MR
3060if enabled_all ccc glibc; then
3061 add_ldflags -Wl,-z,now # calls to libots crash without this
3062fi
3063
6555acad
MR
3064esc(){
3065 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3066}
3067
3068echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 3069
13cb2187
AS
3070check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3071
c9d19248 3072set_default $PATHS_LIST
2a8a860a 3073set_default nm
c9d19248 3074
320d060a 3075# we need to build at least one lib type
93b3c083 3076if ! enabled_any static shared; then
320d060a
DB
3077 cat <<EOF
3078At least one library type must be built.
3079Specify --enable-static to build the static libraries or --enable-shared to
3080build the shared libraries as well. To only build the shared libraries specify
3081--disable-static in addition to --enable-shared.
3082EOF
3083 exit 1;
3084fi
3085
2184c6f7 3086die_license_disabled() {
4c27207c 3087 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
3088}
3089
e417d80d 3090die_license_disabled gpl libcdio
2184c6f7 3091die_license_disabled gpl libx264
de295976 3092die_license_disabled gpl libxavs
2184c6f7 3093die_license_disabled gpl libxvid
2184c6f7
DB
3094die_license_disabled gpl x11grab
3095
2f7ae63b 3096die_license_disabled nonfree libfaac
87246953 3097die_license_disabled nonfree libfdk_aac
a060866f 3098die_license_disabled nonfree openssl
b2e3c528 3099
0b175caa
DB
3100die_license_disabled version3 libopencore_amrnb
3101die_license_disabled version3 libopencore_amrwb
d89e738a 3102die_license_disabled version3 libvo_aacenc
f502ff3f 3103die_license_disabled version3 libvo_amrwbenc
0b175caa 3104
9cad0e4e 3105enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 3106
40617a6d 3107disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 3108
e276d9e8
MR
3109enable_pic() {
3110 enable pic
bce7b696
MR
3111 add_cppflags -DPIC
3112 add_cflags -fPIC
3113 add_asflags -fPIC
e276d9e8
MR
3114}
3115
3116enabled pic && enable_pic
bce7b696 3117
b4d96ba2
MR
3118check_cc <<EOF || die "Symbol mangling check failed."
3119int ff_extern;
3120EOF
2a8a860a 3121sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
3122extern_prefix=${sym%%ff_extern*}
3123
afb5ed55 3124check_cc <<EOF && enable_weak inline_asm
f65883c8
MR
3125void foo(void) { __asm__ volatile ("" ::); }
3126EOF
61d251db 3127
df5e3978
MR
3128_restrict=
3129for restrict_keyword in restrict __restrict__ __restrict; do
3130 check_cc <<EOF && _restrict=$restrict_keyword && break
3131void foo(char * $restrict_keyword p);
3132EOF
3133done
3134
3135check_cc <<EOF && enable attribute_packed
3136struct { int x; } __attribute__((packed)) x;
3137EOF
3138
dffb41b9
MR
3139check_cc <<EOF && enable attribute_may_alias
3140union { int x; } __attribute__((may_alias)) x;
3141EOF
3142
df5e3978
MR
3143check_cc <<EOF || die "endian test failed"
3144unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3145EOF
48fc536a 3146od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 3147
e939cedd
MR
3148if enabled alpha; then
3149
3150 check_cflags -mieee
3151
3152elif enabled arm; then
e45391bb 3153
66371c28 3154 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
8986fddc 3155 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 3156 nogas=die
50fa82e6 3157
44caaa56
MR
3158 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3159 enable vfp_args
3160 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3161 case "${cross_prefix:-$cc}" in
3162 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3163 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
3164__asm__ (".eabi_attribute 28, 1");
3165int main(void) { return 0; }
3166EOF
44caaa56
MR
3167 esac
3168 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3169 fi
fa0912fe 3170
7f2b3dca
MR
3171 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3172 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3173 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
7f2b3dca 3174 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
b3267559 3175 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
7f2b3dca
MR
3176 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3177
b57c1da8
MR
3178 [ $target_os = linux ] ||
3179 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3180 $ARCH_EXT_LIST_ARM
e45391bb 3181
575db883
DB
3182 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3183 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
6308729e 3184
e276d9e8
MR
3185 enabled_all armv6t2 shared !pic && enable_pic
3186
fa0912fe 3187elif enabled mips; then
e45391bb 3188
575db883 3189 check_inline_asm loongson '"dmult.g $1, $2, $3"'
e45391bb 3190
5af530f5
MR
3191elif enabled parisc; then
3192
3193 if enabled gcc; then
3194 case $($cc -dumpversion) in
3195 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3196 esac
3197 fi
3198
fa0912fe 3199elif enabled ppc; then
e45391bb 3200
e6a0c354
MR
3201 enable local_aligned_8 local_aligned_16
3202
575db883
DB
3203 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3204 check_inline_asm ibm_asm '"add 0, 0, 0"'
3205 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3206 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
3207
3208 # AltiVec flags: The FSF version of GCC differs from the Apple version
3209 if enabled altivec; then
301ab19d 3210 nogas=warn
fa0912fe
MR
3211 check_cflags -maltivec -mabi=altivec &&
3212 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3213 check_cflags -faltivec
3214
3215 # check if our compiler supports Motorola AltiVec C API
3216 check_cc <<EOF || disable altivec
3217$inc_altivec_h
3218int main(void) {
20bcce50
MR
3219 vector signed int v1 = (vector signed int) { 0 };
3220 vector signed int v2 = (vector signed int) { 1 };
3221 v1 = vec_add(v1, v2);
fa0912fe
MR
3222 return 0;
3223}
3224EOF
3225
20bcce50 3226 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
fa0912fe 3227 fi
e45391bb 3228
fa0912fe 3229elif enabled sparc; then
e45391bb 3230
6aa93689 3231 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
e45391bb 3232
fa0912fe 3233elif enabled x86; then
e45391bb 3234
8e85ba8d
DB
3235 check_code ld intrin.h "__rdtsc()" && enable rdtsc
3236
f80ddd5b
RB
3237 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
3238
e6a0c354
MR
3239 enable local_aligned_8 local_aligned_16
3240
44965991
PI
3241 # check whether EBP is available on x86
3242 # As 'i' is stored on the stack, this program will crash
3243 # if the base pointer is used to access it because the
3244 # base pointer is cleared in the inline assembly code.
7dfef245 3245 check_exec_crash <<EOF && enable ebp_available
f69f51b3
DB
3246volatile int i=0;
3247__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3248return i;
44965991
PI
3249EOF
3250
f494213c 3251 # check whether EBX is available on x86
575db883
DB
3252 check_inline_asm ebx_available '""::"b"(0)' &&
3253 check_inline_asm ebx_available '"":::"%ebx"'
8e380710 3254
6f74fb03 3255 # check whether xmm clobbers are supported
575db883 3256 check_inline_asm xmm_clobbers '"":::"%xmm0"'
6f74fb03 3257
239fdf1b 3258 # check whether binutils is new enough to compile SSSE3/MMXEXT
43b73d59
DB
3259 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3260 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
6bd859d6 3261
9cca1e40 3262 if ! disabled_any asm mmx yasm; then
b6c06894
MR
3263 if check_cmd $yasmexe --version; then
3264 enabled x86_64 && yasm_extra="-m amd64"
3265 yasm_debug="-g dwarf2"
3266 elif check_cmd nasm -v; then
3267 yasmexe=nasm
3268 yasm_debug="-g -F dwarf"
3269 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3270 fi
3271
3272 YASMFLAGS="-f $objformat $yasm_extra"
3273 enabled pic && append YASMFLAGS "-DPIC"
3274 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3275 case "$objformat" in
3276 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3277 esac
3278
b8e8a07c 3279 check_yasm "vextractf128 xmm0, ymm0, 0" && enable yasm ||
25432e85 3280 die "yasm not found, use --disable-yasm for a crippled build"
43b73d59 3281 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
180d43bc 3282 check_yasm "CPU amdnop" && enable cpunop
31a0dcb2 3283 fi
e45391bb 3284
669b5583
MR
3285 case "$cpu" in
3286 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3287 disable fast_clz
3288 ;;
3289 esac
3290
44965991
PI
3291fi
3292
301ab19d
MR
3293if enabled asm; then
3294 as=${gas:=$as}
7fd90119 3295 check_as <<EOF && enable gnu_as || \
301ab19d 3296 $nogas "GNU assembler not found, install gas-preprocessor"
7fd90119
MR
3297.macro m n
3298\n: .int 0
3299.endm
3300m x
3301EOF
301ab19d
MR
3302fi
3303
4a7e068b
MR
3304check_ldflags -Wl,--as-needed
3305
a98bb16d
RP
3306if check_func dlopen; then
3307 ldl=
3308elif check_func dlopen -ldl; then
3309 ldl=-ldl
8bf5d58f
MN
3310fi
3311
998c1ee1 3312if ! disabled network; then
54fe299b
DV
3313 check_type "sys/types.h sys/socket.h" socklen_t
3314 check_type netdb.h "struct addrinfo"
75d339e0
MS
3315 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3316 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
54fe299b
DV
3317 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3318 check_type netinet/in.h "struct sockaddr_in6"
cdee08e3 3319 check_type poll.h "struct pollfd"
54fe299b
DV
3320 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3321 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
83c93fe7 3322 check_type netinet/sctp.h "struct sctp_event_subscribe"
f06dee77 3323 check_func getaddrinfo $network_extralibs
c3e73100 3324 check_func getservbyport $network_extralibs
54fe299b
DV
3325 # Prefer arpa/inet.h over winsock2
3326 if check_header arpa/inet.h ; then