avformat/dv: K&R formatting cosmetics
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
070c5d0f 47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
505dfb09 48 echo "Instead, install a working POSIX-compatible shell."
070c5d0f 49 echo "Disabling this configure test will create a broken Libav."
c21d6325
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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54 exit 1
55fi
56
a77f01c7
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57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
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61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
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66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
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80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
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84 --libdir=DIR install libs in DIR [PREFIX/lib]
85 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
86 --incdir=DIR install includes in DIR [PREFIX/include]
87 --mandir=DIR install man page in DIR [PREFIX/share/man]
88
3b327a4b 89Licensing options:
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90 --enable-gpl allow use of GPL code, the resulting libs
91 and binaries will be under GPL [no]
92 --enable-version3 upgrade (L)GPL to version 3 [no]
93 --enable-nonfree allow use of nonfree code, the resulting libs
94 and binaries will be unredistributable [no]
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95
96Configuration options:
97 --disable-static do not build static libraries [no]
98 --enable-shared build shared libraries [no]
99 --enable-small optimize for size instead of speed
100 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
844c6852 103 --disable-all disable building components, libraries and programs
3b327a4b 104
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105Program options:
106 --disable-programs do not build command line programs
6291d7e4 107 --disable-avconv disable avconv build
266463da 108 --disable-avplay disable avplay build
9e12f0bf 109 --disable-avprobe disable avprobe build
4d58e4cb 110 --disable-avserver disable avserver build
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111
112Component options:
113 --disable-doc do not build documentation
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114 --disable-avdevice disable libavdevice build
115 --disable-avcodec disable libavcodec build
116 --disable-avformat disable libavformat build
d89f2fa9 117 --disable-avutil disable libavutil build
5a0f7131 118 --disable-swscale disable libswscale build
cccc039f 119 --disable-avfilter disable video filter support [no]
c8af852b 120 --disable-avresample disable libavresample build [no]
0dbfc1db 121 --disable-pthreads disable pthreads [auto]
7b7b220c 122 --disable-w32threads disable Win32 threads [auto]
06454877 123 --disable-network disable network support [no]
7f3f5f46 124 --disable-dct disable DCT code
0b499c9b 125 --disable-error-resilience disable error resilience code
193cdd9a 126 --disable-lsp disable LSP code
2a91ada8 127 --disable-lzo disable LZO decoder code
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128 --disable-mdct disable MDCT code
129 --disable-rdft disable RDFT code
3b327a4b 130 --disable-fft disable FFT code
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131
132Hardware accelerators:
3b327a4b 133 --enable-dxva2 enable DXVA2 code
dcb73592 134 --enable-vaapi enable VAAPI code
ac3dbb4d 135 --enable-vda enable VDA code
e8f6bd4b 136 --enable-vdpau enable VDPAU code
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137
138Individual component options:
bb55e3a3 139 --disable-everything disable all components listed below
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140 --disable-encoder=NAME disable encoder NAME
141 --enable-encoder=NAME enable encoder NAME
142 --disable-encoders disable all encoders
143 --disable-decoder=NAME disable decoder NAME
144 --enable-decoder=NAME enable decoder NAME
145 --disable-decoders disable all decoders
146 --disable-hwaccel=NAME disable hwaccel NAME
147 --enable-hwaccel=NAME enable hwaccel NAME
148 --disable-hwaccels disable all hwaccels
149 --disable-muxer=NAME disable muxer NAME
150 --enable-muxer=NAME enable muxer NAME
151 --disable-muxers disable all muxers
152 --disable-demuxer=NAME disable demuxer NAME
153 --enable-demuxer=NAME enable demuxer NAME
154 --disable-demuxers disable all demuxers
155 --enable-parser=NAME enable parser NAME
156 --disable-parser=NAME disable parser NAME
157 --disable-parsers disable all parsers
158 --enable-bsf=NAME enable bitstream filter NAME
159 --disable-bsf=NAME disable bitstream filter NAME
160 --disable-bsfs disable all bitstream filters
161 --enable-protocol=NAME enable protocol NAME
162 --disable-protocol=NAME disable protocol NAME
163 --disable-protocols disable all protocols
3b327a4b 164 --enable-indev=NAME enable input device NAME
06454877 165 --disable-indev=NAME disable input device NAME
06454877 166 --disable-indevs disable input devices
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167 --enable-outdev=NAME enable output device NAME
168 --disable-outdev=NAME disable output device NAME
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169 --disable-outdevs disable output devices
170 --disable-devices disable all devices
171 --enable-filter=NAME enable filter NAME
172 --disable-filter=NAME disable filter NAME
173 --disable-filters disable all filters
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174
175External library support:
03039f4c 176 --enable-avisynth enable reading of AviSynth script files [no]
06454877 177 --enable-bzlib enable bzlib [autodetect]
47941088 178 --enable-frei0r enable frei0r video filtering
bc8c1395 179 --enable-gnutls enable gnutls [no]
e417d80d 180 --enable-libcdio enable audio CD grabbing with libcdio
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181 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
182 and libraw1394 [no]
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183 --enable-libfaac enable AAC encoding via libfaac [no]
184 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
a5b64584 185 --enable-libfreetype enable libfreetype [no]
c547e5ff 186 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 187 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 188 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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189 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
190 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
191 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 192 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
44617d6e 193 --enable-libopus enable Opus decoding via libopus [no]
7c922411 194 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 195 --enable-librtmp enable RTMP[E] support via librtmp [no]
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196 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
197 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 198 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 199 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 200 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
c547e5ff 201 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
3f111804 202 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
84d3ff50 203 --enable-libwavpack enable wavpack encoding via libwavpack [no]
06454877 204 --enable-libx264 enable H.264 encoding via x264 [no]
de295976 205 --enable-libxavs enable AVS encoding via xavs [no]
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206 --enable-libxvid enable Xvid encoding via xvidcore,
207 native MPEG-4/Xvid encoder exists [no]
a060866f 208 --enable-openssl enable openssl [no]
45235ac4 209 --enable-x11grab enable X11 grabbing [no]
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210 --enable-zlib enable zlib [autodetect]
211
212Advanced options (experts only):
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213 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
214 --enable-cross-compile assume a cross-compiler is used
215 --sysroot=PATH root of cross-build tree
216 --sysinclude=PATH location of cross-build system headers
217 --target-os=OS compiler targets OS [$target_os]
218 --target-exec=CMD command to run executables on target
219 --target-path=DIR path to view of build directory on target
ba13606c 220 --target-samples=DIR path to samples directory on target
aeeb782c 221 --toolchain=NAME set tool defaults according to NAME
06454877 222 --nm=NM use nm tool
121d78d0 223 --ar=AR use archive tool AR [$ar_default]
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224 --as=AS use assembler AS [$as_default]
225 --cc=CC use C compiler CC [$cc_default]
193cdd9a 226 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
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227 --ld=LD use linker LD
228 --host-cc=HOSTCC use host C compiler HOSTCC
229 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
4cc4b33f 230 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
095792f2 231 --host-ld=HOSTLD use host linker HOSTLD
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232 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
233 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 234 --host-os=OS compiler host OS [$target_os]
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235 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
236 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
237 --extra-libs=ELIBS add ELIBS [$ELIBS]
238 --extra-version=STRING version string suffix []
193cdd9a 239 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 240 --build-suffix=SUFFIX library name suffix []
3b327a4b 241 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
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242 --arch=ARCH select architecture [$arch]
243 --cpu=CPU select the minimum required CPU (affects
244 instruction selection, may crash on older CPUs)
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245 --enable-pic build position-independent code
246 --enable-sram allow use of on-chip SRAM
193cdd9a 247 --enable-thumb compile for Thumb instruction set
3b327a4b 248 --disable-symver disable symbol versioning
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DB
249 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
250 --disable-safe-bitstream-reader
251 disable buffer boundary checking in bitreaders
252 (faster, but may crash)
253 --enable-memalign-hack emulate memalign, interferes with memory debuggers
65d12900 254 --enable-lto use link-time optimization
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255
256Optimization options (experts only):
c8a4ae00 257 --disable-asm disable all assembler optimizations
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258 --disable-altivec disable AltiVec optimizations
259 --disable-amd3dnow disable 3DNow! optimizations
260 --disable-amd3dnowext disable 3DNow! extended optimizations
261 --disable-mmx disable MMX optimizations
239fdf1b 262 --disable-mmxext disable MMXEXT optimizations
06454877 263 --disable-sse disable SSE optimizations
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264 --disable-sse2 disable SSE2 optimizations
265 --disable-sse3 disable SSE3 optimizations
06454877 266 --disable-ssse3 disable SSSE3 optimizations
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267 --disable-sse4 disable SSE4 optimizations
268 --disable-sse42 disable SSE4.2 optimizations
87f1355f 269 --disable-avx disable AVX optimizations
79687079 270 --disable-fma4 disable FMA4 optimizations
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271 --disable-armv5te disable armv5te optimizations
272 --disable-armv6 disable armv6 optimizations
273 --disable-armv6t2 disable armv6t2 optimizations
b3267559 274 --disable-vfp disable VFP optimizations
5ea20630 275 --disable-neon disable NEON optimizations
06454877 276 --disable-vis disable VIS optimizations
afb5ed55 277 --disable-inline-asm disable use of inline assembler
06454877 278 --disable-yasm disable use of yasm assembler
06454877 279
070c5d0f 280Developer options (useful when working on Libav itself):
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281 --disable-debug disable debugging symbols
282 --enable-debug=LEVEL set the debug level [$debuglevel]
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283 --disable-optimizations disable compiler optimizations
284 --enable-extra-warnings enable more compiler warnings
52b3cc60 285 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 286 \$LIBAV_SAMPLES at make invocation time.
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287 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
288 should be used only for debugging purposes)
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289 --enable-random randomly enable/disable components
290 --disable-random
291 --enable-random=LIST randomly enable/disable specific components or
292 --disable-random=LIST component groups. LIST is a comma-separated list
293 of NAME[:PROB] entries where NAME is a component
294 (group) and PROB the probability associated with
295 NAME (default 0.5).
296 --random-seed=VALUE seed value for --enable/disable-random
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297
298NOTE: Object files are built at the place where configure is launched.
299EOF
60e8bc13 300 exit 0
74c53c2d 301}
cf9d24ad 302
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303quotes='""'
304
57bd82d4 305log(){
2270b4b2 306 echo "$@" >> $logfile
57bd82d4
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307}
308
720c69da 309log_file(){
c8e9f801 310 log BEGIN $1
2270b4b2 311 pr -n -t $1 >> $logfile
c8e9f801
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312 log END $1
313}
314
2ba042a7 315echolog(){
c8e9f801 316 log "$@"
57bd82d4 317 echo "$@"
2ba042a7
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318}
319
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320warn(){
321 log "WARNING: $*"
322 WARNINGS="${WARNINGS}WARNING: $*\n"
323}
324
2ba042a7
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325die(){
326 echolog "$@"
327 cat <<EOF
d326cf7f 328
2ba042a7 329If you think configure made a mistake, make sure you are using the latest
4a6a21f5 330version from Git. If the latest version fails, report the problem to the
070c5d0f 331libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 332EOF
e155a21a 333 if disabled logging; then
2ba042a7 334 cat <<EOF
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335Rerun configure with logging enabled (do not use --disable-logging), and
336include the log this produces with your report.
2ba042a7
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337EOF
338 else
f69f51b3 339 cat <<EOF
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340Include the log file "$logfile" produced by configure as this will help
341solving the problem.
2ba042a7
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342EOF
343 fi
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344 exit 1
345}
346
6c6007d6 347# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 348toupper(){
6c6007d6 349 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
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350}
351
4a5444db 352tolower(){
6c6007d6 353 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
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354}
355
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356c_escape(){
357 echo "$*" | sed 's/["\\]/\\\0/g'
358}
359
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360sh_quote(){
361 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 362 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
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363 echo "$v"
364}
365
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366cleanws(){
367 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
368}
369
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370filter(){
371 pat=$1
372 shift
373 for v; do
98ef6079 374 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
375 done
376}
377
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378filter_out(){
379 pat=$1
380 shift
381 for v; do
382 eval "case $v in $pat) ;; *) echo $v ;; esac"
383 done
384}
385
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386map(){
387 m=$1
388 shift
e0e335a0 389 for v; do eval $m; done
36e2dea0
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390}
391
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392add_suffix(){
393 suffix=$1
394 shift
395 for v; do echo ${v}${suffix}; done
396}
397
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398set_all(){
399 value=$1
400 shift
401 for var in $*; do
402 eval $var=$value
403 done
404}
405
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406set_weak(){
407 value=$1
408 shift
409 for var; do
410 eval : \${$var:=$value}
411 done
412}
413
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414sanitize_var_name(){
415 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
416}
417
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418set_safe(){
419 var=$1
420 shift
f868b24d 421 eval $(sanitize_var_name "$var")='$*'
3f8040db
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422}
423
424get_safe(){
f868b24d 425 eval echo \$$(sanitize_var_name "$1")
3f8040db
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426}
427
799c9e9b 428pushvar(){
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MS
429 for pvar in $*; do
430 eval level=\${${pvar}_level:=0}
431 eval ${pvar}_${level}="\$$pvar"
432 eval ${pvar}_level=$(($level+1))
799c9e9b
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433 done
434}
435
436popvar(){
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MS
437 for pvar in $*; do
438 eval level=\${${pvar}_level:-0}
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439 test $level = 0 && continue
440 eval level=$(($level-1))
4d810ad2
MS
441 eval $pvar="\${${pvar}_${level}}"
442 eval ${pvar}_level=$level
443 eval unset ${pvar}_${level}
799c9e9b
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444 done
445}
446
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447enable(){
448 set_all yes $*
449}
450
451disable(){
452 set_all no $*
453}
454
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455enable_weak(){
456 set_weak yes $*
457}
458
459disable_weak(){
460 set_weak no $*
461}
462
72702705 463enable_safe(){
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464 for var; do
465 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
466 done
72702705
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467}
468
469disable_safe(){
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470 for var; do
471 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
472 done
72702705
MR
473}
474
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MR
475do_enable_deep(){
476 for var; do
477 enabled $var && continue
478 eval sel="\$${var}_select"
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479 eval sgs="\$${var}_suggest"
480 pushvar var sgs
f9d328da 481 enable_deep $sel
c510c7b5
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482 popvar sgs
483 enable_deep_weak $sgs
f9d328da
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484 popvar var
485 done
486}
487
488enable_deep(){
489 do_enable_deep $*
490 enable $*
491}
492
72a43668 493enable_deep_weak(){
ffb068ce
MS
494 for var; do
495 disabled $var && continue
496 pushvar var
497 do_enable_deep $var
498 popvar var
499 enable_weak $var
500 done
72a43668
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501}
502
57bd82d4 503enabled(){
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MR
504 test "${1#!}" = "$1" && op== || op=!=
505 eval test "x\$${1#!}" $op "xyes"
44161118
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506}
507
37970ebf 508disabled(){
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MR
509 test "${1#!}" = "$1" && op== || op=!=
510 eval test "x\$${1#!}" $op "xno"
37970ebf
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511}
512
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513enabled_all(){
514 for opt; do
515 enabled $opt || return 1
516 done
517}
518
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519disabled_all(){
520 for opt; do
521 disabled $opt || return 1
522 done
523}
524
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525enabled_any(){
526 for opt; do
527 enabled $opt && return 0
528 done
529}
530
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531disabled_any(){
532 for opt; do
533 disabled $opt && return 0
534 done
f7b230a7 535 return 1
85bca2c5
DB
536}
537
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538set_default(){
539 for opt; do
88268e94 540 eval : \${$opt:=\$${opt}_default}
c9d19248
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541 done
542}
543
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544is_in(){
545 value=$1
546 shift
547 for var in $*; do
548 [ $var = $value ] && return 0
549 done
550 return 1
551}
552
d4f8cecc 553do_check_deps(){
30fd06be 554 for cfg; do
3250003c 555 cfg="${cfg#!}"
799c9e9b
MR
556 enabled ${cfg}_checking && die "Circular dependency for $cfg."
557 disabled ${cfg}_checking && continue
558 enable ${cfg}_checking
d4f8cecc 559 append allopts $cfg
799c9e9b 560
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561 eval dep_all="\$${cfg}_deps"
562 eval dep_any="\$${cfg}_deps_any"
7ef3425f 563 eval dep_sel="\$${cfg}_select"
c510c7b5 564 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
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565 eval dep_ifa="\$${cfg}_if"
566 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 567
3d7453e0 568 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
d4f8cecc 569 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
3d7453e0 570 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 571
3d7453e0
MR
572 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
573 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
574 enabled_all $dep_all || disable $cfg
575 enabled_any $dep_any || disable $cfg
7ef3425f 576 disabled_any $dep_sel && disable $cfg
799c9e9b 577
4ec45764 578 if enabled $cfg; then
f9d328da 579 enable_deep $dep_sel
c510c7b5 580 enable_deep_weak $dep_sgs
4ec45764
RP
581 fi
582
799c9e9b 583 disable ${cfg}_checking
30fd06be
MR
584 done
585}
586
d4f8cecc
MR
587check_deps(){
588 unset allopts
589
590 do_check_deps "$@"
591
592 for cfg in $allopts; do
593 enabled $cfg || continue
594 eval dep_extralibs="\$${cfg}_extralibs"
595 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
596 done
597}
598
44161118
MR
599print_config(){
600 pfx=$1
72cfcf41
MR
601 files=$2
602 shift 2
f454e879
MR
603 map 'eval echo "$v \${$v:-no}"' "$@" |
604 awk "BEGIN { split(\"$files\", files) }
605 {
606 c = \"$pfx\" toupper(\$1);
607 v = \$2;
608 sub(/yes/, 1, v);
609 sub(/no/, 0, v);
610 for (f in files) {
611 file = files[f];
612 if (file ~ /\\.h\$/) {
613 printf(\"#define %s %d\\n\", c, v) >>file;
614 } else if (file ~ /\\.asm\$/) {
615 printf(\"%%define %s %d\\n\", c, v) >>file;
616 } else if (file ~ /\\.mak\$/) {
d16c4aeb 617 n = -v ? \"\" : \"!\";
f454e879
MR
618 printf(\"%s%s=yes\\n\", n, c) >>file;
619 }
620 }
621 }"
57bd82d4
MR
622}
623
31c0121d 624print_enabled(){
31c0121d
MR
625 suf=$1
626 shift
627 for v; do
9eda2a85 628 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
629 done
630}
631
57bd82d4
MR
632append(){
633 var=$1
634 shift
57bd82d4
MR
635 eval "$var=\"\$$var $*\""
636}
637
60361817
MR
638prepend(){
639 var=$1
640 shift
641 eval "$var=\"$* \$$var\""
642}
643
50a334e4 644add_cppflags(){
cd52ec95 645 append CPPFLAGS "$@"
50a334e4
MR
646}
647
57bd82d4 648add_cflags(){
01d31e16 649 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
650}
651
2f2e6c7c 652add_asflags(){
01d31e16 653 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
654}
655
57bd82d4 656add_ldflags(){
64933b6c 657 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
658}
659
660add_extralibs(){
64933b6c 661 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
662}
663
4cc4b33f
DB
664add_host_cppflags(){
665 append host_cppflags "$@"
666}
667
6c3fa06a
MR
668add_host_cflags(){
669 append host_cflags $($host_cflags_filter "$@")
670}
671
672add_host_ldflags(){
673 append host_ldflags $($host_ldflags_filter "$@")
674}
675
84e65c76
MR
676add_compat(){
677 append compat_objs $1
678 shift
679 map 'add_cppflags -D$v' "$@"
680}
681
b0cfb663 682check_cmd(){
b3cb5d51 683 log "$@"
2270b4b2 684 "$@" >> $logfile 2>&1
b0cfb663
MR
685}
686
b2704a65
MR
687cc_o(){
688 eval printf '%s\\n' $CC_O
689}
690
18031c49
MR
691cc_e(){
692 eval printf '%s\\n' $CC_E
693}
694
dcd479c0 695check_cc(){
57bd82d4 696 log check_cc "$@"
2270b4b2 697 cat > $TMPC
720c69da 698 log_file $TMPC
23565c26 699 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
700}
701
702check_cpp(){
703 log check_cpp "$@"
2270b4b2 704 cat > $TMPC
720c69da 705 log_file $TMPC
18031c49 706 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
707}
708
df0d6341
MR
709as_o(){
710 eval printf '%s\\n' $AS_O
711}
712
f65883c8
MR
713check_as(){
714 log check_as "$@"
7fd90119
MR
715 cat > $TMPS
716 log_file $TMPS
717 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
718}
719
575db883
DB
720check_inline_asm(){
721 log check_inline_asm "$@"
940f335a 722 name="$1"
3784e82e 723 code="$2"
940f335a 724 shift 2
49214f61 725 disable $name
7fd90119 726 check_cc "$@" <<EOF && enable $name
3784e82e 727void foo(void){ __asm__ volatile($code); }
940f335a
MR
728EOF
729}
730
c6ebc9fa
MR
731check_insn(){
732 log check_insn "$@"
733 check_inline_asm ${1}_inline "\"$2\""
734 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
735}
736
304d586d
LM
737check_yasm(){
738 log check_yasm "$@"
739 echo "$1" > $TMPS
740 log_file $TMPS
741 shift 1
742 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
743}
744
29b64b68
MR
745ld_o(){
746 eval printf '%s\\n' $LD_O
747}
748
dcd479c0 749check_ld(){
57bd82d4 750 log check_ld "$@"
66a1ccd7
MR
751 flags=$(filter_out '-l*' "$@")
752 libs=$(filter '-l*' "$@")
01d31e16 753 check_cc $($cflags_filter $flags) || return
64933b6c
MR
754 flags=$($ldflags_filter $flags)
755 libs=$($ldflags_filter $libs)
29b64b68 756 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
757}
758
5adc829e
MR
759check_code(){
760 log check_code "$@"
761 check=$1
762 headers=$2
763 code=$3
764 shift 3
765 {
766 for hdr in $headers; do
767 echo "#include <$hdr>"
768 done
769 echo "int main(void) { $code; return 0; }"
770 } | check_$check "$@"
771}
772
50a334e4
MR
773check_cppflags(){
774 log check_cppflags "$@"
caf458dd 775 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
776int x;
777EOF
778}
779
dcd479c0 780check_cflags(){
57bd82d4 781 log check_cflags "$@"
01d31e16 782 set -- $($cflags_filter "$@")
caf458dd 783 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
784int x;
785EOF
786}
787
2ed46eea
MR
788test_ldflags(){
789 log test_ldflags "$@"
790 check_ld "$@" <<EOF
c23a0ac8 791int main(void){ return 0; }
dcd479c0
MR
792EOF
793}
794
2ed46eea
MR
795check_ldflags(){
796 log check_ldflags "$@"
797 test_ldflags "$@" && add_ldflags "$@"
798}
799
dcd479c0 800check_header(){
57bd82d4 801 log check_header "$@"
dcd479c0
MR
802 header=$1
803 shift
b77df637
MR
804 disable_safe $header
805 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
806#include <$header>
807int x;
808EOF
809}
810
811check_func(){
57bd82d4 812 log check_func "$@"
dcd479c0
MR
813 func=$1
814 shift
d8bc5f06
MR
815 disable $func
816 check_ld "$@" <<EOF && enable $func
dcd479c0 817extern int $func();
c23a0ac8 818int main(void){ $func(); }
dcd479c0
MR
819EOF
820}
821
645d2652 822check_mathfunc(){
6b73c0ae 823 log check_mathfunc "$@"
645d2652 824 func=$1
1aa07aa2
MR
825 narg=$2
826 shift 2
827 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
828 disable $func
829 check_ld "$@" <<EOF && enable $func
830#include <math.h>
1aa07aa2 831float foo(float f, float g) { return $func($args); }
33bd38db 832int main(void){ return 0; }
645d2652
MR
833EOF
834}
835
2446d3d6
DB
836check_func_headers(){
837 log check_func_headers "$@"
f8d7b072 838 headers=$1
edaf1ae2 839 funcs=$2
f8d7b072 840 shift 2
edaf1ae2
MR
841 {
842 for hdr in $headers; do
843 echo "#include <$hdr>"
844 done
845 for func in $funcs; do
846 echo "long check_$func(void) { return (long) $func; }"
847 done
848 echo "int main(void) { return 0; }"
849 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
850}
851
a5344cf7
SS
852check_cpp_condition(){
853 log check_cpp_condition "$@"
854 header=$1
855 condition=$2
f855b7b9 856 shift 2
cd52ec95 857 check_cpp "$@" <<EOF
a5344cf7
SS
858#include <$header>
859#if !($condition)
860#error "unsatisfied condition: $condition"
861#endif
862EOF
863}
864
57bd82d4
MR
865check_lib(){
866 log check_lib "$@"
867 header="$1"
868 func="$2"
869 shift 2
84400e9d 870 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
871}
872
f8d7b072
MR
873check_lib2(){
874 log check_lib2 "$@"
875 headers="$1"
edaf1ae2 876 funcs="$2"
f8d7b072 877 shift 2
edaf1ae2 878 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
879}
880
3f8040db
MR
881check_pkg_config(){
882 log check_pkg_config "$@"
883 pkg="$1"
884 headers="$2"
885 funcs="$3"
886 shift 3
887 $pkg_config --exists $pkg || return
888 pkg_cflags=$($pkg_config --cflags $pkg)
889 pkg_libs=$($pkg_config --libs $pkg)
890 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
891 set_safe ${pkg}_cflags $pkg_cflags &&
892 set_safe ${pkg}_libs $pkg_libs
893}
894
dcd479c0 895check_exec(){
2270b4b2 896 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
897}
898
7dfef245 899check_exec_crash(){
5e622c40 900 code=$(cat)
7dfef245
MR
901
902 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
903 # are safe but may not be available everywhere. Thus we use
904 # raise(SIGTERM) instead. The check is run in a subshell so we
905 # can redirect the "Terminated" message from the shell. SIGBUS
906 # is not defined by standard C so it is used conditionally.
907
2270b4b2 908 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
909#include <signal.h>
910static void sighandler(int sig){
911 raise(SIGTERM);
912}
692dd8ed
MR
913int foo(void){
914 $code
915}
9495cd17 916int (*func_ptr)(void) = foo;
e5af4a11 917int main(void){
7dfef245
MR
918 signal(SIGILL, sighandler);
919 signal(SIGFPE, sighandler);
920 signal(SIGSEGV, sighandler);
921#ifdef SIGBUS
922 signal(SIGBUS, sighandler);
923#endif
9495cd17 924 return func_ptr();
7dfef245
MR
925}
926EOF
927}
928
72be9e73
DY
929check_type(){
930 log check_type "$@"
931 headers=$1
932 type=$2
933 shift 2
ae550ce9 934 disable_safe "$type"
5adc829e 935 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
936}
937
14d36751 938check_struct(){
813b82b9 939 log check_struct "$@"
14d36751
MR
940 headers=$1
941 struct=$2
942 member=$3
943 shift 3
944 disable_safe "${struct}_${member}"
5adc829e
MR
945 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
946 enable_safe "${struct}_${member}"
14d36751
MR
947}
948
9c7d85b3
DB
949check_builtin(){
950 log check_builtin "$@"
951 name=$1
952 headers=$2
953 builtin=$3
954 shift 3
955 disable "$name"
956 check_code ld "$headers" "$builtin" "$@" && enable "$name"
957}
958
57bd82d4
MR
959require(){
960 name="$1"
961 header="$2"
962 func="$3"
963 shift 3
964 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
965}
966
f8d7b072
MR
967require2(){
968 name="$1"
969 headers="$2"
970 func="$3"
971 shift 3
972 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
973}
974
3f8040db
MR
975require_pkg_config(){
976 pkg="$1"
977 check_pkg_config "$@" || die "ERROR: $pkg not found"
978 add_cflags $(get_safe ${pkg}_cflags)
979 add_extralibs $(get_safe ${pkg}_libs)
980}
981
ae43c4c0
MR
982hostcc_o(){
983 eval printf '%s\\n' $HOSTCC_O
984}
985
f0125de9
MR
986check_host_cc(){
987 log check_host_cc "$@"
988 cat > $TMPC
989 log_file $TMPC
ae43c4c0 990 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
991}
992
4cc4b33f
DB
993check_host_cppflags(){
994 log check_host_cppflags "$@"
995 check_host_cc "$@" <<EOF && append host_cppflags "$@"
996int x;
997EOF
998}
999
f0125de9
MR
1000check_host_cflags(){
1001 log check_host_cflags "$@"
6c3fa06a 1002 set -- $($host_cflags_filter "$@")
f0125de9
MR
1003 check_host_cc "$@" <<EOF && append host_cflags "$@"
1004int x;
1005EOF
1006}
1007
c505dd31
MR
1008apply(){
1009 file=$1
1010 shift
1011 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1012}
1013
c34681df 1014cp_if_changed(){
5e27ec28
MR
1015 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1016 mkdir -p "$(dirname $2)"
4ebc6a74 1017 $cp_f "$1" "$2"
c34681df
MR
1018}
1019
dcd61286
DB
1020# CONFIG_LIST contains configurable options, while HAVE_LIST is for
1021# system-dependent things.
1022
4a0d6686
AJ
1023COMPONENT_LIST="
1024 bsfs
1025 decoders
1026 demuxers
1027 encoders
3cde40aa 1028 filters
5666fd73 1029 hwaccels
c552605c 1030 indevs
4a0d6686 1031 muxers
c552605c 1032 outdevs
4a0d6686
AJ
1033 parsers
1034 protocols
1035"
1036
3fc09b00
MR
1037EXTERNAL_LIBRARY_LIST="
1038 avisynth
1039 bzlib
1040 frei0r
1041 gnutls
1042 libcdio
1043 libdc1394
1044 libfaac
1045 libfdk_aac
1046 libfreetype
1047 libgsm
1048 libilbc
1049 libmp3lame
1050 libopencore_amrnb
1051 libopencore_amrwb
1052 libopencv
1053 libopenjpeg
1054 libopus
1055 libpulse
1056 librtmp
1057 libschroedinger
1058 libspeex
1059 libtheora
1060 libvo_aacenc
1061 libvo_amrwbenc
1062 libvorbis
1063 libvpx
84d3ff50 1064 libwavpack
3fc09b00
MR
1065 libx264
1066 libxavs
1067 libxvid
1068 openssl
1069 x11grab
1070 zlib
1071"
1072
70b348ec
DB
1073HWACCEL_LIST="
1074 dxva2
1075 vaapi
1076 vda
1077 vdpau
1078"
d89f2fa9
DB
1079LIBRARY_LIST="
1080 avcodec
1081 avdevice
1082 avfilter
1083 avformat
1084 avresample
1085 avutil
1086 swscale
1087"
1088
055c61b8
DB
1089PROGRAM_LIST="
1090 avconv
1091 avplay
1092 avprobe
1093 avserver
055c61b8
DB
1094"
1095
4a0d6686
AJ
1096CONFIG_LIST="
1097 $COMPONENT_LIST
3fc09b00 1098 $EXTERNAL_LIBRARY_LIST
70b348ec 1099 $HWACCEL_LIST
d89f2fa9 1100 $LIBRARY_LIST
055c61b8 1101 $PROGRAM_LIST
7f3f5f46 1102 dct
c73f65d9 1103 doc
0b499c9b 1104 error_resilience
1848f7d9 1105 fft
c88f5d72 1106 gpl
d8d0d0b2 1107 gray
3abe5fbd 1108 hardcoded_tables
b781cc12 1109 lsp
2a91ada8 1110 lzo
47a158cb 1111 mdct
c88f5d72 1112 memalign_hack
c88f5d72 1113 network
3fe142e2 1114 nonfree
8a3c8627 1115 pic
68602540 1116 rdft
e90f5b5a 1117 runtime_cpudetect
8cfbbd92 1118 safe_bitstream_reader
2e35e684 1119 shared
bd2216e4 1120 small
6b35d421 1121 sram
2e35e684 1122 static
a9ddb5b1 1123 swscale_alpha
8986fddc 1124 thumb
9cad0e4e 1125 version3
7e4d9d5d 1126 xmm_clobber_test
4a0d6686 1127"
c88f5d72 1128
8eee7025 1129THREADS_LIST='
8eee7025
DB
1130 pthreads
1131 w32threads
1132'
1133
f9f6402e
AK
1134ATOMICS_LIST='
1135 atomics_gcc
f9f6402e 1136 atomics_suncc
93e65e9a 1137 atomics_win32
f9f6402e
AK
1138'
1139
3f5b56e5 1140ARCH_LIST='
5873b623 1141 aarch64
3f5b56e5 1142 alpha
a2fc0f6a 1143 arm
fdcd782d
MR
1144 avr32
1145 avr32_ap
1146 avr32_uc
3f5b56e5
MR
1147 bfin
1148 ia64
1149 m68k
1150 mips
bae3abb0 1151 mips64
3f5b56e5 1152 parisc
79cb09b2 1153 ppc
34d11b87 1154 ppc64
3f5b56e5
MR
1155 s390
1156 sh4
1157 sparc
1158 sparc64
c75848cd
DB
1159 tilegx
1160 tilepro
0844bae1 1161 tomi
3f5b56e5
MR
1162 x86
1163 x86_32
1164 x86_64
1165'
1166
81dfa21e
MR
1167ARCH_EXT_LIST_ARM='
1168 armv5te
1169 armv6
1170 armv6t2
81dfa21e 1171 neon
b3267559 1172 vfp
81dfa21e
MR
1173 vfpv3
1174'
1175
50cd43f2 1176ARCH_EXT_LIST_X86='
3bf96eec 1177 amd3dnow
a1ef9f08 1178 amd3dnowext
50cd43f2
DB
1179 avx
1180 fma4
1181 mmx
1182 mmxext
1183 sse
1184 sse2
1185 sse3
1186 sse4
1187 sse42
1188 ssse3
1189'
1190
1191ARCH_EXT_LIST="
81dfa21e 1192 $ARCH_EXT_LIST_ARM
50cd43f2
DB
1193 $ARCH_EXT_LIST_X86
1194 altivec
799fde37 1195 ppc4xx
bd9d34a0 1196 vis
50cd43f2 1197"
3f5b56e5 1198
fd712a55
DB
1199HAVE_LIST_CMDLINE='
1200 inline_asm
1201 symver
1202 yasm
1203'
1204
a3e02a8c
MR
1205HAVE_LIST_PUB='
1206 bigendian
d268eee9 1207 fast_unaligned
a3e02a8c
MR
1208'
1209
79042ab3 1210MATH_FUNCS="
fab0a8b2
MR
1211 atanf
1212 atan2f
79042ab3 1213 cbrtf
fab0a8b2 1214 cosf
79042ab3
DB
1215 exp2
1216 exp2f
fab0a8b2 1217 expf
79042ab3
DB
1218 isinf
1219 isnan
fab0a8b2 1220 ldexpf
79042ab3
DB
1221 llrint
1222 llrintf
1223 log2
1224 log2f
fab0a8b2 1225 log10f
79042ab3
DB
1226 lrint
1227 lrintf
fab0a8b2 1228 powf
79042ab3
DB
1229 rint
1230 round
1231 roundf
fab0a8b2 1232 sinf
79042ab3
DB
1233 trunc
1234 truncf
1235"
1236
3f5b56e5
MR
1237HAVE_LIST="
1238 $ARCH_EXT_LIST
43b73d59
DB
1239 $(add_suffix _external $ARCH_EXT_LIST)
1240 $(add_suffix _inline $ARCH_EXT_LIST)
fd712a55 1241 $HAVE_LIST_CMDLINE
a3e02a8c 1242 $HAVE_LIST_PUB
3f5b56e5 1243 $THREADS_LIST
f9f6402e 1244 $ATOMICS_LIST
79042ab3 1245 $MATH_FUNCS
be1a839c 1246 aligned_malloc
59782b82 1247 aligned_stack
35fd8122 1248 alsa_asoundlib_h
3f5b56e5 1249 altivec_h
c9fdab0d 1250 arpa_inet_h
ec9d2c15 1251 asm_mod_q
6308729e 1252 asm_mod_y
817dff57 1253 atomic_cas_ptr
f9f6402e 1254 atomics_native
dffb41b9 1255 attribute_may_alias
e7ea5e3d 1256 attribute_packed
43e0e0c4
LB
1257 cdio_paranoia_h
1258 cdio_paranoia_paranoia_h
ecf97f22 1259 closesocket
15caccb9 1260 CommandLineToArgvW
180d43bc 1261 cpunop
1093383d 1262 CryptGenRandom
c88f5d72 1263 dcbzl
f8aa696f
DB
1264 dev_bktr_ioctl_bt848_h
1265 dev_bktr_ioctl_meteor_h
1266 dev_ic_bt8xx_h
f8aa696f 1267 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1268 dev_video_meteor_ioctl_meteor_h
ca6b544a 1269 direct_h
18b67ae5 1270 dlfcn_h
c88f5d72 1271 dlopen
bc574408 1272 dos_paths
fa845061 1273 dxva_h
245626d0
DB
1274 ebp_available
1275 ebx_available
c2a29455 1276 fast_64bit
669b5583 1277 fast_clz
7073e9fc 1278 fast_cmov
534a2231 1279 fcntl
9d99cc5a 1280 fork
84882df6 1281 getaddrinfo
da9e86f8 1282 gethrtime
667fb97a 1283 getopt
02e8f427 1284 GetProcessAffinityMask
fc5607f8 1285 GetProcessMemoryInfo
4e68cb8a 1286 GetProcessTimes
61183b5a 1287 GetSystemTimeAsFileTime
66be5b45 1288 getrusage
c3e73100 1289 getservbyport
61183b5a 1290 gettimeofday
a49d3025 1291 gnu_as
c7df1532 1292 gsm_h
f54b5505 1293 i686
2f0c136e 1294 ibm_asm
2e1913b1 1295 inet_aton
3b1ab197 1296 io_h
ef5b70af 1297 inline_asm_labels
abfc8d05 1298 isatty
8772997d 1299 jack_port_get_latency_range
9f5ff83f 1300 ldbrx
0b4a1821
AS
1301 libdc1394_1
1302 libdc1394_2
d96cd429
MR
1303 local_aligned_16
1304 local_aligned_8
a5b64584 1305 localtime_r
85dd97ad 1306 loongson
f8aa696f
DB
1307 machine_ioctl_bt848_h
1308 machine_ioctl_meteor_h
65f1d45d 1309 machine_rw_barrier
c88f5d72 1310 malloc_h
73f6d31e 1311 MapViewOfFile
c88f5d72 1312 memalign
65f1d45d 1313 MemoryBarrier
6ffa87d3 1314 mkstemp
f80ddd5b 1315 mm_empty
0328b9ea 1316 mmap
e98b02de 1317 mprotect
4fa661a8 1318 msvcrt
d3d3a32c 1319 nanosleep
3e0b1c9a 1320 poll_h
1f91cdce 1321 posix_memalign
3a7050ff 1322 pragma_deprecated
07b28702 1323 rdtsc
ea4d5f48 1324 sched_getaffinity
c88f5d72 1325 sdl
7e6a11bc 1326 SetConsoleTextAttribute
b507ebd1 1327 setmode
3e0b1c9a 1328 setrlimit
d3d3a32c 1329 Sleep
15d59d2c 1330 sndio_h
72be9e73 1331 socklen_t
deb29777 1332 soundcard_h
87958234 1333 strerror_r
6379900c 1334 strptime
47941088 1335 strtok_r
c0018613 1336 struct_addrinfo
75d339e0
MS
1337 struct_group_source_req
1338 struct_ip_mreq_source
b4d68544 1339 struct_ipv6_mreq
cdee08e3 1340 struct_pollfd
3e0b1c9a 1341 struct_rusage_ru_maxrss
b4d68544 1342 struct_sockaddr_in6
3b2372bf 1343 struct_sockaddr_sa_len
33a4dbdd 1344 struct_sockaddr_storage
a6a4793d 1345 struct_v4l2_frmivalenum_discrete
b462d132 1346 symver_asm_label
3e0b1c9a 1347 symver_gnu_asm
e460aa32 1348 sync_val_compare_and_swap
bcc73960 1349 sysconf
b9e22269 1350 sysctl
b58412f1 1351 sys_mman_h
06bb5905 1352 sys_param_h
b091aa44 1353 sys_resource_h
81644c2e 1354 sys_select_h
deb29777 1355 sys_soundcard_h
e64bceea 1356 sys_time_h
60538758 1357 sys_un_h
1b6e8b73 1358 sys_videoio_h
b265431e 1359 threads
542920b7 1360 unistd_h
d3d3a32c 1361 usleep
ce742de2 1362 vfp_args
7c5bfe7a 1363 VirtualAlloc
d3d3a32c 1364 windows_h
6ff3f3e7 1365 winsock2_h
cc078b5d 1366 xform_asm
6f74fb03 1367 xmm_clobbers
0cb78cef 1368"
44161118 1369
511cf612 1370# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1371CONFIG_EXTRA="
87849592 1372 aandcttables
bfe9f48a 1373 ac3dsp
aa11cb79 1374 audio_frame_queue
b93b27ed 1375 dsputil
bfe9f48a 1376 gcrypt
478fd534 1377 golomb
9cad0e4e 1378 gplv3
478fd534
DB
1379 h264chroma
1380 h264dsp
1381 h264pred
915a2a0a 1382 h264qpel
68d8238c 1383 hpeldsp
478fd534 1384 huffman
9cad0e4e 1385 lgplv3
478fd534 1386 lpc
1e164c0b 1387 mpegaudio
bfe9f48a 1388 mpegaudiodsp
18bbca1f 1389 mpegvideo
ad08dfd5 1390 mpegvideoenc
bfe9f48a 1391 nettle
f704a079 1392 rangecoder
bfe9f48a 1393 rtpdec
5ad2f0bf 1394 rtpenc_chain
bfe9f48a 1395 sinewin
8c53d39e 1396 videodsp
ab9f9876 1397 vp3dsp
b6bb00b0
MR
1398"
1399
520cc7f1 1400CMDLINE_SELECT="
3f5b56e5 1401 $ARCH_EXT_LIST
520cc7f1 1402 $CONFIG_LIST
fd712a55 1403 $HAVE_LIST_CMDLINE
8eee7025 1404 $THREADS_LIST
c8a4ae00 1405 asm
db6107b6 1406 cross_compile
520cc7f1
MR
1407 debug
1408 extra_warnings
8c6afa4d 1409 logging
65d12900 1410 lto
d2bbb2f7 1411 optimizations
520cc7f1 1412"
426be5dc
DB
1413
1414PATHS_LIST='
d156bede 1415 bindir
14a8acf1 1416 datadir
26759c44
MR
1417 incdir
1418 libdir
26759c44
MR
1419 mandir
1420 prefix
1421 shlibdir
426be5dc
DB
1422'
1423
1424CMDLINE_SET="
1425 $PATHS_LIST
121d78d0 1426 ar
426be5dc 1427 arch
313c46a6 1428 as
426be5dc
DB
1429 build_suffix
1430 cc
1431 cpu
1432 cross_prefix
50567afa 1433 dep_cc
ac63af34 1434 extra_version
9da6609f
MR
1435 host_cc
1436 host_cflags
095792f2 1437 host_ld
9da6609f
MR
1438 host_ldflags
1439 host_libs
82bb3329 1440 host_os
684b28e0 1441 ld
426be5dc 1442 logfile
4ae40685 1443 malloc_prefix
89641463 1444 nm
9cd7b854 1445 optflags
3f8040db 1446 pkg_config
154caa67 1447 random_seed
2fad0977 1448 samples
c5200f17
MR
1449 sysinclude
1450 sysroot
a7ada2ba 1451 target_exec
26759c44 1452 target_os
a7ada2ba 1453 target_path
ba13606c 1454 target_samples
aeeb782c 1455 toolchain
426be5dc 1456"
520cc7f1 1457
89f2932b
MR
1458CMDLINE_APPEND="
1459 extra_cflags
4cc4b33f 1460 host_cppflags
89f2932b
MR
1461"
1462
912f3148
DB
1463# code dependency declarations
1464
9eeed841 1465# architecture extensions
808fa33c 1466
a2fc0f6a
MR
1467armv5te_deps="arm"
1468armv6_deps="arm"
ab5cb084 1469armv6t2_deps="arm"
808fa33c 1470neon_deps="arm"
b3267559
MR
1471vfp_deps="arm"
1472vfpv3_deps="vfp"
808fa33c 1473
637606de
MR
1474map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1475
808fa33c
MR
1476altivec_deps="ppc"
1477ppc4xx_deps="ppc"
1478
1479vis_deps="sparc"
1480
f54b5505 1481x86_64_suggest="fast_cmov i686"
50cd43f2 1482
808fa33c
MR
1483amd3dnow_deps="mmx"
1484amd3dnowext_deps="amd3dnow"
9eeed841 1485mmx_deps="x86"
239fdf1b 1486mmxext_deps="mmx"
50cd43f2
DB
1487sse_deps="mmxext"
1488sse2_deps="sse"
1489sse3_deps="sse2"
1490ssse3_deps="sse3"
1491sse4_deps="ssse3"
1492sse42_deps="sse4"
1493avx_deps="sse42"
79687079 1494fma4_deps="avx"
9eeed841 1495
43b73d59
DB
1496mmx_external_deps="yasm"
1497mmx_inline_deps="inline_asm"
1498mmx_suggest="mmx_external mmx_inline"
1499
1500for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1501 eval dep=\$${ext}_deps
1502 eval ${ext}_external_deps='"${dep}_external"'
1503 eval ${ext}_inline_deps='"${dep}_inline"'
1504 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1505done
1506
59782b82 1507aligned_stack_if_any="ppc x86"
e939cedd 1508fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
f0fe245b
MR
1509fast_clz_if_any="alpha avr32 mips ppc x86"
1510fast_unaligned_if_any="ppc x86"
669b5583 1511
6fec122a 1512inline_asm_deps="!tms470"
3e0b1c9a 1513need_memalign="altivec neon sse"
89e053f8 1514
b462d132
MR
1515symver_if_any="symver_asm_label symver_gnu_asm"
1516
88a35699
MS
1517log2_deps="!msvcrt"
1518
26fbcc85 1519# subsystems
dc609252 1520dct_select="rdft"
b93b27ed
RB
1521error_resilience_select="dsputil"
1522lpc_select="dsputil"
26fbcc85
MR
1523mdct_select="fft"
1524rdft_select="fft"
1e164c0b 1525mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1526mpegaudiodsp_select="dct"
f4fed5a2 1527mpegvideo_select="dsputil hpeldsp videodsp"
ad08dfd5 1528mpegvideoenc_select="mpegvideo"
26fbcc85 1529
ed40b6bf 1530# decoders / encoders
cfc2a0cf 1531aac_decoder_select="mdct sinewin"
aa11cb79 1532aac_encoder_select="audio_frame_queue mdct sinewin"
136e19e1 1533aac_latm_decoder_select="aac_decoder aac_latm_parser"
b93b27ed
RB
1534ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1535ac3_encoder_select="mdct ac3dsp dsputil"
1536ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1232a164 1537aic_decoder_select="dsputil golomb"
f4d608e3 1538alac_encoder_select="lpc"
b93b27ed 1539als_decoder_select="dsputil"
b781cc12 1540amrnb_decoder_select="lsp"
2b2a597e 1541amrwb_decoder_select="lsp"
28bc406c 1542amv_decoder_select="dsputil hpeldsp"
b93b27ed
RB
1543ape_decoder_select="dsputil"
1544asv1_decoder_select="dsputil"
1545asv1_encoder_select="dsputil"
1546asv2_decoder_select="dsputil"
1547asv2_encoder_select="dsputil"
4538729a 1548atrac1_decoder_select="mdct sinewin"
26fbcc85 1549atrac3_decoder_select="mdct"
0f0a11d5 1550bink_decoder_select="dsputil hpeldsp"
a33657ce
DB
1551binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1552binkaudio_rdft_decoder_select="mdct rdft sinewin"
b93b27ed
RB
1553cavs_decoder_select="dsputil golomb h264chroma videodsp"
1554cllc_decoder_select="dsputil"
9b500b8f 1555comfortnoise_encoder_select="lpc"
b93b27ed 1556cook_decoder_select="dsputil mdct sinewin"
2a91ada8 1557cscd_decoder_select="lzo"
2eef7c62 1558cscd_decoder_suggest="zlib"
26fbcc85 1559dca_decoder_select="mdct"
b93b27ed
RB
1560dnxhd_decoder_select="dsputil"
1561dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1562dvvideo_decoder_select="dsputil"
1563dvvideo_encoder_select="dsputil"
2eef7c62 1564dxa_decoder_select="zlib"
baf91bb9 1565eac3_decoder_select="ac3_decoder"
4264a0dd 1566eac3_encoder_select="ac3_encoder"
b93b27ed
RB
1567eamad_decoder_select="aandcttables dsputil mpegvideo"
1568eatgq_decoder_select="aandcttables dsputil"
cfe5908a 1569eatqi_decoder_select="aandcttables error_resilience mpegvideo"
b93b27ed
RB
1570ffv1_decoder_select="dsputil golomb rangecoder"
1571ffv1_encoder_select="dsputil rangecoder"
1572ffvhuff_decoder_select="dsputil"
1573ffvhuff_encoder_select="dsputil huffman"
4f034993 1574flac_decoder_select="golomb"
b93b27ed 1575flac_encoder_select="dsputil golomb lpc"
2eef7c62
AJ
1576flashsv_decoder_select="zlib"
1577flashsv_encoder_select="zlib"
c2d23309 1578flashsv2_decoder_select="zlib"
4414137e 1579flv_decoder_select="h263_decoder"
4d4b4bd1 1580flv_encoder_select="h263_encoder"
b93b27ed
RB
1581fourxm_decoder_select="dsputil"
1582fraps_decoder_select="dsputil huffman"
2d66a58c 1583g2m_decoder_select="dsputil zlib"
c292f6a2 1584h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1585h261_encoder_select="aandcttables mpegvideoenc"
c292f6a2 1586h263_decoder_select="error_resilience h263_parser mpegvideo"
06b54e84 1587h263_encoder_select="aandcttables mpegvideoenc"
4414137e 1588h263i_decoder_select="h263_decoder"
fe629c2d 1589h263p_encoder_select="h263_encoder"
0b499c9b
RB
1590h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1591h264_decoder_suggest="error_resilience"
b93b27ed
RB
1592huffyuv_decoder_select="dsputil"
1593huffyuv_encoder_select="dsputil huffman"
1594iac_decoder_select="dsputil fft mdct sinewin"
1595imc_decoder_select="dsputil fft mdct sinewin"
8f992dc8 1596indeo3_decoder_select="hpeldsp"
8071264f 1597interplay_video_decoder_select="hpeldsp"
28bc406c 1598jpegls_decoder_select="dsputil golomb hpeldsp"
4f034993 1599jpegls_encoder_select="golomb"
b93b27ed
RB
1600jv_decoder_select="dsputil"
1601lagarith_decoder_select="dsputil"
ad08dfd5 1602ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1603loco_decoder_select="golomb"
b93b27ed 1604mdec_decoder_select="dsputil error_resilience mpegvideo"
c1047003 1605mimic_decoder_select="dsputil hpeldsp"
28bc406c
RB
1606mjpeg_decoder_select="dsputil hpeldsp"
1607mjpegb_decoder_select="dsputil hpeldsp"
b93b27ed
RB
1608mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1609mlp_decoder_select="dsputil mlp_parser"
1610motionpixels_decoder_select="dsputil"
1e164c0b
DB
1611mp1_decoder_select="mpegaudio"
1612mp1float_decoder_select="mpegaudio"
1613mp2_decoder_select="mpegaudio"
1614mp2float_decoder_select="mpegaudio"
1615mp3_decoder_select="mpegaudio"
1616mp3adu_decoder_select="mpegaudio"
1617mp3adufloat_decoder_select="mpegaudio"
1618mp3float_decoder_select="mpegaudio"
1619mp3on4_decoder_select="mpegaudio"
1620mp3on4float_decoder_select="mpegaudio"
b93b27ed
RB
1621mpc7_decoder_select="dsputil mpegaudiodsp"
1622mpc8_decoder_select="dsputil mpegaudiodsp"
3e0b1c9a 1623mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
d767e2f9 1624mpeg_xvmc_decoder_select="mpeg2video_decoder"
c292f6a2 1625mpeg1video_decoder_select="error_resilience mpegvideo"
06b54e84 1626mpeg1video_encoder_select="aandcttables mpegvideoenc"
c292f6a2 1627mpeg2video_decoder_select="error_resilience mpegvideo"
06b54e84 1628mpeg2video_encoder_select="aandcttables mpegvideoenc"
3e0b1c9a
DB
1629mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1630mpeg4_encoder_select="h263_encoder"
4414137e 1631msmpeg4v1_decoder_select="h263_decoder"
4414137e 1632msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1633msmpeg4v2_encoder_select="h263_encoder"
4414137e 1634msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1635msmpeg4v3_encoder_select="h263_encoder"
06b54e84 1636mss2_decoder_select="error_resilience vc1_decoder"
28bc406c 1637mxpeg_decoder_select="dsputil hpeldsp"
4538729a 1638nellymoser_decoder_select="mdct sinewin"
aa11cb79 1639nellymoser_encoder_select="audio_frame_queue mdct sinewin"
b93b27ed
RB
1640nuv_decoder_select="dsputil lzo"
1641png_decoder_select="dsputil zlib"
1642png_encoder_select="dsputil zlib"
1643prores_decoder_select="dsputil"
1644prores_encoder_select="dsputil"
b781cc12 1645qcelp_decoder_select="lsp"
c4f5c2d6 1646qdm2_decoder_select="mdct rdft mpegaudiodsp"
aa11cb79 1647ra_144_encoder_select="audio_frame_queue lpc"
9f43fdda 1648ralf_decoder_select="golomb"
06b54e84 1649rv10_decoder_select="error_resilience h263_decoder"
b2bf38b4 1650rv10_encoder_select="h263_encoder"
06b54e84 1651rv20_decoder_select="error_resilience h263_decoder"
b2bf38b4 1652rv20_encoder_select="h263_encoder"
870add0d
DB
1653rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1654rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
4f034993 1655shorten_decoder_select="golomb"
b781cc12 1656sipr_decoder_select="lsp"
28bc406c 1657sp5x_decoder_select="dsputil hpeldsp"
6caa44aa 1658svq1_decoder_select="hpeldsp"
1277dc07 1659svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
2f6bc5f7 1660svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
0b499c9b 1661svq3_decoder_suggest="error_resilience zlib"
b93b27ed 1662tak_decoder_select="dsputil"
4eef77c1 1663theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1664tiff_decoder_suggest="zlib"
1665tiff_encoder_suggest="zlib"
28bc406c 1666thp_decoder_select="dsputil hpeldsp"
aec09a00 1667truehd_decoder_select="mlp_decoder"
b93b27ed
RB
1668truemotion2_decoder_select="dsputil"
1669truespeech_decoder_select="dsputil"
2eef7c62 1670tscc_decoder_select="zlib"
4538729a 1671twinvq_decoder_select="mdct lsp sinewin"
b93b27ed
RB
1672utvideo_decoder_select="dsputil"
1673utvideo_encoder_select="dsputil huffman"
1674vble_decoder_select="dsputil"
06b54e84 1675vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
45ecda85 1676vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1677vorbis_decoder_select="mdct"
1678vorbis_encoder_select="mdct"
3bd062bf 1679vp3_decoder_select="hpeldsp vp3dsp videodsp"
cb7ecb75
RB
1680vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1681vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
e82dc4c9
DB
1682vp6a_decoder_select="vp6_decoder"
1683vp6f_decoder_select="vp6_decoder"
8c53d39e 1684vp8_decoder_select="h264pred videodsp"
4538729a
MR
1685wmapro_decoder_select="mdct sinewin"
1686wmav1_decoder_select="mdct sinewin"
1687wmav1_encoder_select="mdct sinewin"
1688wmav2_decoder_select="mdct sinewin"
1689wmav2_encoder_select="mdct sinewin"
1690wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1691wmv1_decoder_select="h263_decoder"
665507aa 1692wmv1_encoder_select="h263_encoder"
870add0d 1693wmv2_decoder_select="h263_decoder videodsp"
1746e2a9 1694wmv2_encoder_select="h263_encoder"
015f8ee0 1695wmv3_decoder_select="vc1_decoder"
45ecda85 1696wmv3image_decoder_select="wmv3_decoder"
0e714f88 1697zerocodec_decoder_select="zlib"
2eef7c62
AJ
1698zlib_decoder_select="zlib"
1699zlib_encoder_select="zlib"
1700zmbv_decoder_select="zlib"
1701zmbv_encoder_select="zlib"
30fd06be 1702
ed40b6bf 1703# hardware accelerators
215cdd35 1704dxva2_deps="dxva2api_h"
0afab17e 1705vaapi_deps="va_va_h"
ac3dbb4d 1706vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
9840130e 1707vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
c89c96e9
MR
1708vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1709
82ca17ac
DB
1710h263_vaapi_hwaccel_deps="vaapi"
1711h263_vaapi_hwaccel_select="h263_decoder"
1712h263_vdpau_hwaccel_deps="vdpau"
1713h263_vdpau_hwaccel_select="h263_decoder"
215cdd35
DB
1714h264_dxva2_hwaccel_deps="dxva2"
1715h264_dxva2_hwaccel_select="h264_decoder"
82ca17ac
DB
1716h264_vaapi_hwaccel_deps="vaapi"
1717h264_vaapi_hwaccel_select="h264_decoder"
1718h264_vda_hwaccel_deps="vda"
1719h264_vda_hwaccel_select="h264_decoder"
82ca17ac
DB
1720h264_vdpau_hwaccel_deps="vdpau"
1721h264_vdpau_hwaccel_select="h264_decoder"
82ca17ac
DB
1722mpeg1_vdpau_hwaccel_deps="vdpau"
1723mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
215cdd35
DB
1724mpeg2_dxva2_hwaccel_deps="dxva2"
1725mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
82ca17ac
DB
1726mpeg2_vaapi_hwaccel_deps="vaapi"
1727mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1728mpeg2_vdpau_hwaccel_deps="vdpau"
1729mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1730mpeg4_vaapi_hwaccel_deps="vaapi"
1731mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
82ca17ac
DB
1732mpeg4_vdpau_hwaccel_deps="vdpau"
1733mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
215cdd35
DB
1734vc1_dxva2_hwaccel_deps="dxva2"
1735vc1_dxva2_hwaccel_select="vc1_decoder"
82ca17ac
DB
1736vc1_vaapi_hwaccel_deps="vaapi"
1737vc1_vaapi_hwaccel_select="vc1_decoder"
82ca17ac
DB
1738vc1_vdpau_hwaccel_deps="vdpau"
1739vc1_vdpau_hwaccel_select="vc1_decoder"
ed40b6bf
DB
1740wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1741wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
77525327 1742wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1743
28b80940 1744# parsers
0b499c9b 1745h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
c292f6a2
DB
1746mpeg4video_parser_select="error_resilience mpegvideo"
1747mpegvideo_parser_select="error_resilience mpegvideo"
06b54e84 1748vc1_parser_select="mpegvideo"
28b80940 1749
912f3148 1750# external libraries
c9171a83 1751libfaac_encoder_deps="libfaac"
aa11cb79 1752libfaac_encoder_select="audio_frame_queue"
37eeb5e2 1753libfdk_aac_encoder_deps="libfdk_aac"
aa11cb79 1754libfdk_aac_encoder_select="audio_frame_queue"
299c77d5
MR
1755libgsm_decoder_deps="libgsm"
1756libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1757libgsm_ms_decoder_deps="libgsm"
1758libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1759libilbc_decoder_deps="libilbc"
1760libilbc_encoder_deps="libilbc"
1cc60c47 1761libmp3lame_encoder_deps="libmp3lame"
aa11cb79 1762libmp3lame_encoder_select="audio_frame_queue"
0b175caa
DB
1763libopencore_amrnb_decoder_deps="libopencore_amrnb"
1764libopencore_amrnb_encoder_deps="libopencore_amrnb"
aa11cb79 1765libopencore_amrnb_encoder_select="audio_frame_queue"
0b175caa 1766libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1767libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1768libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1769libopus_decoder_deps="libopus"
6cb8c854 1770libopus_encoder_deps="libopus"
aa11cb79 1771libopus_encoder_select="audio_frame_queue"
f7cd9eed
AS
1772libschroedinger_decoder_deps="libschroedinger"
1773libschroedinger_encoder_deps="libschroedinger"
ae14f311 1774libspeex_decoder_deps="libspeex"
b606a017 1775libspeex_encoder_deps="libspeex"
aa11cb79 1776libspeex_encoder_select="audio_frame_queue"
150d2772 1777libtheora_encoder_deps="libtheora"
d89e738a 1778libvo_aacenc_encoder_deps="libvo_aacenc"
aa11cb79 1779libvo_aacenc_encoder_select="audio_frame_queue"
f502ff3f 1780libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1781libvorbis_encoder_deps="libvorbis"
aa11cb79 1782libvorbis_encoder_select="audio_frame_queue"
3f111804
LB
1783libvpx_vp8_decoder_deps="libvpx"
1784libvpx_vp8_encoder_deps="libvpx"
1785libvpx_vp9_decoder_deps="libvpx"
1786libvpx_vp9_encoder_deps="libvpx"
84d3ff50 1787libwavpack_encoder_deps="libwavpack"
1cc60c47 1788libx264_encoder_deps="libx264"
de295976 1789libxavs_encoder_deps="libxavs"
1cc60c47 1790libxvid_encoder_deps="libxvid"
30fd06be 1791
912f3148 1792# demuxers / muxers
c2dd0e9e 1793ac3_demuxer_select="ac3_parser"
647c2356 1794asf_stream_muxer_select="asf_muxer"
4e622dea 1795avisynth_demuxer_deps="avisynth"
c2dd0e9e 1796dirac_demuxer_select="dirac_parser"
5b423887 1797eac3_demuxer_select="ac3_parser"
c2dd0e9e 1798flac_demuxer_select="flac_parser"
647c2356 1799ipod_muxer_select="mov_muxer"
31f16dc1 1800ismv_muxer_select="mov_muxer"
647c2356 1801matroska_audio_muxer_select="matroska_muxer"
2a91ada8 1802matroska_demuxer_suggest="bzlib lzo zlib"
4e622dea 1803mov_demuxer_suggest="zlib"
5ad2f0bf 1804mov_muxer_select="rtpenc_chain"
c2dd0e9e 1805mp3_demuxer_select="mpegaudio_parser"
647c2356 1806mp4_muxer_select="mov_muxer"
75644335 1807mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
1808mpegtsraw_demuxer_select="mpegts_demuxer"
1809mxf_d10_muxer_select="mxf_muxer"
24ca518b 1810ogg_demuxer_select="golomb"
647c2356 1811psp_muxer_select="mov_muxer"
44594cc7 1812rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
1813rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1814rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 1815rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 1816sap_demuxer_select="sdp_demuxer"
5ad2f0bf 1817sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 1818sdp_demuxer_select="rtpdec"
e772f9fa 1819smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1820spdif_muxer_select="aac_parser"
57231e4d 1821tak_demuxer_select="tak_parser"
647c2356
DB
1822tg2_muxer_select="mov_muxer"
1823tgp_muxer_select="mov_muxer"
6bdaa5f4 1824w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1825
1826# indevs / outdevs
38e54a75 1827alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1828alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1829bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1830dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1831fbdev_indev_deps="linux_fb_h"
a3fc62e8 1832jack_indev_deps="jack_jack_h pthreads"
e417d80d 1833libcdio_indev_deps="libcdio"
38e54a75 1834libdc1394_indev_deps="libdc1394"
38e54a75
SS
1835oss_indev_deps_any="soundcard_h sys_soundcard_h"
1836oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1837pulse_indev_deps="libpulse"
15d59d2c
B
1838sndio_indev_deps="sndio_h"
1839sndio_outdev_deps="sndio_h"
38e54a75 1840v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1841vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1842vfwcap_indev_extralibs="-lavicap32"
24f8961f 1843x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1844
912f3148 1845# protocols
acd554c1
SP
1846ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1847ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1848ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1849ffrtmphttp_protocol_deps="!librtmp_protocol"
1850ffrtmphttp_protocol_select="http_protocol"
998c1ee1 1851gopher_protocol_select="network"
c40e1757 1852httpproxy_protocol_select="tcp_protocol"
279a0c97 1853http_protocol_select="tcp_protocol"
183baead 1854https_protocol_select="tls_protocol"
c3b57d6e
DB
1855librtmp_protocol_deps="librtmp"
1856librtmpe_protocol_deps="librtmp"
1857librtmps_protocol_deps="librtmp"
1858librtmpt_protocol_deps="librtmp"
1859librtmpte_protocol_deps="librtmp"
c60a2d70 1860mmsh_protocol_select="http_protocol"
998c1ee1 1861mmst_protocol_select="network"
c3b57d6e 1862rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1863rtmp_protocol_select="tcp_protocol"
acd554c1 1864rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1865rtmps_protocol_deps="!librtmp_protocol"
1866rtmps_protocol_select="tls_protocol"
775c4d36 1867rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1868rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1869rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1870rtp_protocol_select="udp_protocol"
998c1ee1
DB
1871sctp_protocol_deps="struct_sctp_event_subscribe"
1872sctp_protocol_select="network"
0eecafc9 1873srtp_protocol_select="rtp_protocol"
998c1ee1 1874tcp_protocol_select="network"
558d192d
MS
1875tls_protocol_deps_any="openssl gnutls"
1876tls_protocol_select="tcp_protocol"
998c1ee1 1877udp_protocol_select="network"
60538758
LB
1878unix_protocol_deps="sys_un_h"
1879unix_protocol_select="network"
c08fb000 1880
6ebf0bfc 1881# filters
13fabd7a 1882blackframe_filter_deps="gpl"
ce6b6ef6 1883boxblur_filter_deps="gpl"
68b79bfc 1884cropdetect_filter_deps="gpl"
b157be1f 1885delogo_filter_deps="gpl"
a5b64584 1886drawtext_filter_deps="libfreetype"
2e5ff4d0 1887frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1888frei0r_filter_extralibs='$ldl'
a42bb9d6 1889frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1890frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1891hqdn3d_filter_deps="gpl"
3fce1367 1892interlace_filter_deps="gpl"
d371e7b9 1893resample_filter_deps="avresample"
cf69ad35 1894ocv_filter_deps="libopencv"
2f296e39 1895scale_filter_deps="swscale"
acbac567 1896yadif_filter_deps="gpl"
6ebf0bfc 1897
5a0f7131 1898# libraries
d89f2fa9
DB
1899avcodec_deps="avutil"
1900avdevice_deps="avutil avcodec avformat"
1901avfilter_deps="avutil"
1902avformat_deps="avutil avcodec"
1903avresample_deps="avutil"
1904swscale_deps="avutil"
f7679c54 1905
912f3148 1906# programs
54fd593a 1907avconv_deps="avcodec avfilter avformat avresample swscale"
bce70f81 1908avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
0a0e340f 1909 fps_filter null_filter resample_filter scale_filter
bce70f81 1910 setpts_filter trim_filter"
d173ede1 1911avplay_deps="avcodec avformat avresample swscale sdl"
266463da 1912avplay_select="rdft"
9e12f0bf 1913avprobe_deps="avcodec avformat"
b263bf66 1914avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1915avserver_extralibs='$ldl'
a2830dca 1916
c73f65d9 1917doc_deps="texi2html"
912f3148 1918
de6d9b64 1919# default parameters
8a608357 1920
19bd477d 1921logfile="config.log"
8a608357
MR
1922
1923# installation paths
c9d19248
MR
1924prefix_default="/usr/local"
1925bindir_default='${prefix}/bin'
6291d7e4 1926datadir_default='${prefix}/share/avconv'
c9d19248
MR
1927incdir_default='${prefix}/include'
1928libdir_default='${prefix}/lib'
1929mandir_default='${prefix}/share/man'
1930shlibdir_default="$libdir_default"
8a608357
MR
1931
1932# toolchain
121d78d0 1933ar_default="ar"
13c7df3d 1934cc_default="gcc"
9da6609f 1935host_cc_default="gcc"
4ebc6a74 1936cp_f="cp -f"
b58b00ae 1937ln_s="ln -s -f"
2a8a860a 1938nm_default="nm -g"
11e6d03a 1939objformat="elf"
3f8040db 1940pkg_config_default=pkg-config
be7109c1 1941ranlib="ranlib"
11e6d03a 1942yasmexe="yasm"
8a608357 1943
3e0b1c9a 1944nogas=":"
8182dc34 1945
8a608357 1946# machine
8d4c00ed 1947arch_default=$(uname -m)
38d0a8aa 1948cpu="generic"
8a608357 1949
8a608357 1950# OS
8d4c00ed
MR
1951target_os_default=$(tolower $(uname -s))
1952host_os=$target_os_default
8a608357 1953
8a608357 1954# configurable options
d89f2fa9 1955enable $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 1956
3e0b1c9a
DB
1957enable asm
1958enable debug
1959enable doc
8400d6b8 1960enable optimizations
8cfbbd92 1961enable safe_bitstream_reader
530dc538 1962enable static
a9ddb5b1 1963enable swscale_alpha
8a608357 1964
2e2ec667
DB
1965# By default, enable only those hwaccels that have no external dependencies.
1966enable dxva2 vdpau
1967
8a608357 1968# build settings
9987769a 1969SHFLAGS='-shared -Wl,-soname,$$(@F)'
f3ec2d46
SG
1970LIBPREF="lib"
1971LIBSUF=".a"
c5f14466
RP
1972FULLNAME='$(NAME)$(BUILDSUF)'
1973LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1974SLIBPREF="lib"
1975SLIBSUF=".so"
c5f14466 1976SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1977SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1978SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1979LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1980SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1981SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1982
68485d1f
MR
1983asflags_filter=echo
1984cflags_filter=echo
64933b6c
MR
1985ldflags_filter=echo
1986
23565c26 1987AS_C='-c'
bc877faf 1988AS_O='-o $@'
23565c26 1989CC_C='-c'
18031c49 1990CC_E='-E -o $@'
7e6c86e6 1991CC_O='-o $@'
a758c5e2 1992LD_O='-o $@'
8db73c61
MR
1993LD_LIB='-l%'
1994LD_PATH='-L'
23565c26 1995HOSTCC_C='-c'
a758c5e2 1996HOSTCC_O='-o $@'
095792f2 1997HOSTLD_O='-o $@'
7e6c86e6 1998
4cc4b33f
DB
1999host_cflags='-O3 -g'
2000host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
9da6609f 2001host_libs='-lm'
6c3fa06a
MR
2002host_cflags_filter=echo
2003host_ldflags_filter=echo
9da6609f 2004
9b861379 2005target_path='$(CURDIR)'
a7ada2ba 2006
a158446b
MR
2007# since the object filename is not given with the -MM flag, the compiler
2008# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
2009DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2010DEPFLAGS='-MM'
315c741d 2011
c597172e 2012# find source path
24524f36 2013if test -f configure; then
f038cf3c 2014 source_path=.
c597172e 2015else
8477f2de 2016 source_path=$(cd $(dirname "$0"); pwd)
c597172e 2017 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 2018 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
2019 test -e "$source_path/config.h" &&
2020 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
2021fi
2022
13cbe2c0 2023for v in "$@"; do
b04251c5
MR
2024 r=${v#*=}
2025 l=${v%"$r"}
2026 r=$(sh_quote "$r")
29ba0911 2027 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 2028done
c597172e 2029
73ef8980
MR
2030find_things(){
2031 thing=$1
2032 pattern=$2
2033 file=$source_path/$3
932ccf39 2034 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
2035}
2036
2037ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2038DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 2039HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
2040PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2041BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2042MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2043DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
2044OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2045INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 2046PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 2047FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 2048
54e75be4
DB
2049ALL_COMPONENTS="
2050 $BSF_LIST
2051 $DECODER_LIST
2052 $DEMUXER_LIST
2053 $ENCODER_LIST
2054 $FILTER_LIST
2055 $HWACCEL_LIST
2056 $INDEV_LIST
2057 $MUXER_LIST
2058 $OUTDEV_LIST
2059 $PARSER_LIST
2060 $PROTOCOL_LIST
2061"
2062
8469ae22
MR
2063for n in $COMPONENT_LIST; do
2064 v=$(toupper ${n%s})_LIST
2065 eval enable \$$v
2066 eval ${n}_if_any="\$$v"
2067done
2068
206a070d 2069enable $ARCH_EXT_LIST
c597172e
MR
2070
2071die_unknown(){
2072 echo "Unknown option \"$1\"."
2073 echo "See $0 --help for available options."
2074 exit 1
2075}
2076
7432e872
DB
2077print_3_columns() {
2078 cat | tr ' ' '\n' | sort | pr -r -3 -t
2079}
2080
794f8e97 2081show_list() {
bf0c4afa
RP
2082 suffix=_$1
2083 shift
7432e872 2084 echo $* | sed s/$suffix//g | print_3_columns
794f8e97
PI
2085 exit 0
2086}
2087
154caa67
MR
2088rand_list(){
2089 IFS=', '
2090 set -- $*
2091 unset IFS
2092 for thing; do
2093 comp=${thing%:*}
2094 prob=${thing#$comp}
2095 prob=${prob#:}
2096 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2097 echo "prob ${prob:-0.5}"
2098 printf '%s\n' $comp
2099 done
2100}
2101
2102do_random(){
2103 action=$1
2104 shift
2105 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2106 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2107}
2108
c597172e 2109for opt do
7483e694
DB
2110 optval="${opt#*=}"
2111 case "$opt" in
ea061af1
DB
2112 --extra-ldflags=*)
2113 add_ldflags $optval
7e9e7cc2 2114 ;;
ea061af1
DB
2115 --extra-libs=*)
2116 add_extralibs $optval
7e9e7cc2 2117 ;;
ea061af1
DB
2118 --disable-devices)
2119 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 2120 ;;
ea061af1
DB
2121 --enable-debug=*)
2122 debuglevel="$optval"
7e9e7cc2
MR
2123 ;;
2124 --disable-programs)
2125 disable $PROGRAM_LIST
2126 ;;
2127 --disable-everything)
2128 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2129 ;;
844c6852
DB
2130 --disable-all)
2131 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2132 disable $LIBRARY_LIST $PROGRAM_LIST doc
2133 ;;
7e9e7cc2
MR
2134 --enable-random|--disable-random)
2135 action=${opt%%-random}
2136 do_random ${action#--} $COMPONENT_LIST
2137 ;;
2138 --enable-random=*|--disable-random=*)
2139 action=${opt%%-random=*}
2140 do_random ${action#--} $optval
2141 ;;
2142 --enable-*=*|--disable-*=*)
2143 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2144 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2145 eval list=\$$(toupper $thing)_LIST
2146 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2147 $action $(filter "$name" $list)
2148 ;;
2149 --enable-?*|--disable-?*)
2150 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2151 if is_in $option $COMPONENT_LIST; then
2152 test $action = disable && action=unset
2153 eval $action \$$(toupper ${option%s})_LIST
2154 elif is_in $option $CMDLINE_SELECT; then
2155 $action $option
2156 else
2157 die_unknown $opt
2158 fi
2159 ;;
2160 --list-*)
2161 NAME="${opt#--list-}"
2162 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2163 NAME=${NAME%s}
2164 eval show_list $NAME \$$(toupper $NAME)_LIST
2165 ;;
2166 --help|-h) show_help
2167 ;;
2168 *)
2169 optname="${opt%%=*}"
2170 optname="${optname#--}"
2171 optname=$(echo "$optname" | sed 's/-/_/g')
2172 if is_in $optname $CMDLINE_SET; then
2173 eval $optname='$optval'
2174 elif is_in $optname $CMDLINE_APPEND; then
2175 append $optname "$optval"
2176 else
2177 die_unknown $opt
2178 fi
2179 ;;
7483e694 2180 esac
c597172e
MR
2181done
2182
bcea99bb
MR
2183disabled logging && logfile=/dev/null
2184
29ba0911 2185echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2186set >> $logfile
2187
9da6609f
MR
2188test -n "$cross_prefix" && enable cross_compile
2189
8d4c00ed
MR
2190if enabled cross_compile; then
2191 test -n "$arch" && test -n "$target_os" ||
2192 die "Must specify target arch and OS when cross-compiling"
2193fi
2194
121d78d0 2195ar_default="${cross_prefix}${ar_default}"
11e6d03a 2196cc_default="${cross_prefix}${cc_default}"
20e0ed95 2197nm_default="${cross_prefix}${nm_default}"
3f8040db 2198pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2199ranlib="${cross_prefix}${ranlib}"
adb2b908 2200
c5200f17
MR
2201sysinclude_default="${sysroot}/usr/include"
2202
aeeb782c 2203case "$toolchain" in
0fbb62a8
LB
2204 clang-asan)
2205 cc_default="clang"
19f251a2
LB
2206 add_cflags -fsanitize=address
2207 add_ldflags -fsanitize=address
0fbb62a8
LB
2208 ;;
2209 clang-tsan)
2210 cc_default="clang"
19f251a2
LB
2211 add_cflags -fsanitize=thread -pie
2212 add_ldflags -fsanitize=thread -pie
0fbb62a8 2213 ;;
0ba49d28
LB
2214 gcc-asan)
2215 cc_default="gcc"
2216 add_cflags -fsanitize=address
2217 add_ldflags -fsanitize=address
2218 ;;
2219 gcc-tsan)
2220 cc_default="gcc"
2221 add_cflags -fsanitize=thread -pie -fPIC
2222 add_ldflags -fsanitize=thread -pie -fPIC
2223 ;;
edfe609f
LB
2224 valgrind-massif)
2225 target_exec_default="valgrind"
2226 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2227 ;;
b1ee8eec
RT
2228 valgrind-memcheck)
2229 target_exec_default="valgrind"
2230 target_exec_args="--track-origins=yes --leak-check=full"
2231 ;;
aeeb782c
MR
2232 msvc)
2233 cc_default="c99wrap cl"
2234 ld_default="c99wrap link"
2235 nm_default="dumpbin -symbols"
ac3a9b51 2236 ar_default="lib"
53e8cd68 2237 target_os_default="win32"
aeeb782c 2238 ;;
322e4194
AS
2239 icl)
2240 cc_default="c99wrap -noconv icl"
2241 ld_default="c99wrap xilink"
2242 nm_default="dumpbin -symbols"
2243 ar_default="xilib"
2244 target_os_default="win32"
2245 ;;
a862c7d3
RT
2246 gcov)
2247 add_cflags -fprofile-arcs -ftest-coverage
2248 add_ldflags -fprofile-arcs -ftest-coverage
2249 ;;
aeeb782c
MR
2250 ?*)
2251 die "Unknown toolchain $toolchain"
2252 ;;
2253esac
2254
b1ee8eec 2255set_default arch cc pkg_config sysinclude target_exec target_os
9da6609f
MR
2256enabled cross_compile || host_cc_default=$cc
2257set_default host_cc
13c7df3d 2258
762f95e4
MR
2259if ! $pkg_config --version >/dev/null 2>&1; then
2260 warn "$pkg_config not found, library detection may fail."
2261 pkg_config=false
2262fi
2263
82bb3329
MR
2264exesuf() {
2265 case $1 in
53e8cd68 2266 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2267 esac
2268}
2269
2270EXESUF=$(exesuf $target_os)
2271HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2272
e4e69e0b 2273# set temporary file name
a49d42c2 2274: ${TMPDIR:=$TEMPDIR}
c51fafa1 2275: ${TMPDIR:=$TMP}
a49d42c2 2276: ${TMPDIR:=/tmp}
e4e69e0b 2277
a210bce2 2278if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2279 # simple replacement for missing mktemp
2280 # NOT SAFE FOR GENERAL USE
2281 mktemp(){
09a5c245 2282 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2283 }
2284fi
2285
2286tmpfile(){
2287 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2288 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2289 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2290 append TMPFILES $tmp
2291 eval $1=$tmp
2292}
2293
2294trap 'rm -f -- $TMPFILES' EXIT
54460a83 2295
55127e7b 2296tmpfile TMPASM .asm
3e0b1c9a
DB
2297tmpfile TMPC .c
2298tmpfile TMPE $EXESUF
2299tmpfile TMPH .h
2300tmpfile TMPO .o
2301tmpfile TMPS .S
2302tmpfile TMPSH .sh
2303tmpfile TMPV .ver
54460a83
MR
2304
2305unset -f mktemp
e4e69e0b 2306
fb3c4ffc
MR
2307chmod +x $TMPE
2308
993f2d0f
MR
2309# make sure we can execute files in $TMPDIR
2310cat > $TMPSH 2>> $logfile <<EOF
2311#! /bin/sh
2312EOF
2313chmod +x $TMPSH >> $logfile 2>&1
2314if ! $TMPSH >> $logfile 2>&1; then
2315 cat <<EOF
2316Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2317variable to another directory and make sure that it is not mounted noexec.
2318EOF
2319 die "Sanity test failed."
2320fi
993f2d0f 2321
457cc333
MR
2322ccc_flags(){
2323 for flag; do
2324 case $flag in
2325 -std=c99) echo -c99 ;;
2326 -mcpu=*) echo -arch ${flag#*=} ;;
2327 -mieee) echo -ieee ;;
2328 -O*|-fast) echo $flag ;;
2329 -fno-math-errno) echo -assume nomath_errno ;;
2330 -g) echo -g3 ;;
2331 -Wall) echo -msg_enable level2 ;;
2332 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2333 -Wl,*) echo $flag ;;
2334 -f*|-W*) ;;
2335 *) echo $flag ;;
2336 esac
2337 done
2338}
2339
14fb9d3d 2340msvc_common_flags(){
dfa559bc
RB
2341 for flag; do
2342 case $flag in
14fb9d3d
AS
2343 # In addition to specifying certain flags under the compiler
2344 # specific filters, they must be specified here as well or else the
2345 # generic catch all at the bottom will print the original flag.
2346 -Wall) ;;
2347 -std=c99) ;;
2348 # Common flags
9f4a16c5 2349 -fomit-frame-pointer) ;;
dfa559bc 2350 -g) echo -Z7 ;;
dfa559bc
RB
2351 -fno-math-errno) ;;
2352 -fno-common) ;;
2353 -fno-signed-zeros) ;;
50640977 2354 -fPIC) ;;
9f30fb5a
MS
2355 -mthumb) ;;
2356 -march=*) ;;
dfa559bc 2357 -lz) echo zlib.lib ;;
bd680c7b
DB
2358 -lavifil32) echo vfw32.lib ;;
2359 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2360 -l*) echo ${flag#-l}.lib ;;
2361 *) echo $flag ;;
2362 esac
2363 done
2364}
2365
14fb9d3d
AS
2366msvc_flags(){
2367 msvc_common_flags "$@"
2368 for flag; do
2369 case $flag in
ace87c19 2370 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
14fb9d3d
AS
2371 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2372 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2373 -wd4996 -wd4273 ;;
2374 esac
2375 done
2376}
2377
2378icl_flags(){
2379 msvc_common_flags "$@"
2380 for flag; do
2381 case $flag in
2382 # Despite what Intel's documentation says -Wall, which is supported
2383 # on Windows, does enable remarks so disable them here.
2384 -Wall) echo $flag -Qdiag-disable:remark ;;
2385 -std=c99) echo -Qstd=c99 ;;
2386 esac
2387 done
2388}
2389
d0c6d424
MR
2390pgi_flags(){
2391 for flag; do
2392 case $flag in
643933f5 2393 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2394 -fomit-frame-pointer) echo -Mnoframe ;;
2395 -g) echo -gopt ;;
2396 *) echo $flag ;;
2397 esac
2398 done
2399}
2400
2401suncc_flags(){
2402 for flag; do
2403 case $flag in
2404 -march=*|-mcpu=*)
2405 case "${flag#*=}" in
2406 native) echo -xtarget=native ;;
2407 v9|niagara) echo -xarch=sparc ;;
2408 ultrasparc) echo -xarch=sparcvis ;;
2409 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2410 i586|pentium) echo -xchip=pentium ;;
2411 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2412 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2413 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2414 pentium4*) echo -xtarget=pentium4 ;;
2415 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2416 *-sse3) echo -xarch=sse3 ;;
2417 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2418 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2419 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2420 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
ace87c19 2421 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
d0c6d424 2422 k8|opteron|athlon64|athlon-fx)
ace87c19
DB
2423 echo -xarch=sse2a ;;
2424 athlon*) echo -xarch=pentium_proa ;;
d0c6d424
MR
2425 esac
2426 ;;
2427 -std=c99) echo -xc99 ;;
2428 -fomit-frame-pointer) echo -xregs=frameptr ;;
2429 -fPIC) echo -KPIC -xcode=pic32 ;;
2430 -W*,*) echo $flag ;;
5e753ed5
SM
2431 -f*-*|-W*|-mimpure-text) ;;
2432 -shared) echo -G ;;
d0c6d424
MR
2433 *) echo $flag ;;
2434 esac
2435 done
2436}
2437
2438tms470_flags(){
2439 for flag; do
2440 case $flag in
2441 -march=*|-mcpu=*)
2442 case "${flag#*=}" in
2443 armv7-a|cortex-a*) echo -mv=7a8 ;;
2444 armv7-r|cortex-r*) echo -mv=7r4 ;;
2445 armv7-m|cortex-m*) echo -mv=7m3 ;;
2446 armv6*|arm11*) echo -mv=6 ;;
2447 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2448 echo -mv=5e ;;
2449 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2450 esac
2451 ;;
2452 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2453 -mfpu=vfp) echo --float_support=vfpv2 ;;
2454 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2455 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2456 -msoft-float) echo --float_support=vfplib ;;
2457 -O[0-3]|-mf=*) echo $flag ;;
2458 -g) echo -g -mn ;;
2459 -pds=*) echo $flag ;;
ad93dccb
MR
2460 -D*|-I*) echo $flag ;;
2461 --gcc|--abi=*) echo $flag ;;
2462 -me) echo $flag ;;
d0c6d424
MR
2463 esac
2464 done
2465}
2466
a758c5e2
MR
2467probe_cc(){
2468 pfx=$1
2469 _cc=$2
2470
8db73c61
MR
2471 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2472 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2473 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2474 _flags_filter=echo
2475
2476 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2477 _type=llvm_gcc
2478 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2479 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2480 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2481 _cflags_speed='-O3'
2482 _cflags_size='-Os'
2483 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2484 _type=gcc
2485 gcc_version=$($_cc --version | head -n1)
2486 gcc_basever=$($_cc -dumpversion)
2487 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2488 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2489 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2490 if ! $_cc -dumpversion | grep -q '^2\.'; then
2491 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2492 fi
2493 _cflags_speed='-O3'
2494 _cflags_size='-Os'
b2d688ea 2495 elif $_cc --version 2>/dev/null | grep -q ^icc; then
a758c5e2
MR
2496 _type=icc
2497 _ident=$($_cc --version | head -n1)
2498 _depflags='-MMD'
2499 _cflags_speed='-O3'
2500 _cflags_size='-Os'
2501 _cflags_noopt='-O1'
2502 elif $_cc -v 2>&1 | grep -q xlc; then
2503 _type=xlc
2504 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2505 _cflags_speed='-O5'
2506 _cflags_size='-O5 -qcompact'
2507 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2508 _type=ccc
2509 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2510 _DEPFLAGS='-M'
a758c5e2
MR
2511 _cflags_speed='-fast'
2512 _cflags_size='-O1'
457cc333 2513 _flags_filter=ccc_flags
a758c5e2
MR
2514 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2515 test -d "$sysroot" || die "No valid sysroot specified."
2516 _type=armcc
2517 _ident=$($_cc --vsn | head -n1)
2518 armcc_conf="$PWD/armcc.conf"
2519 $_cc --arm_linux_configure \
2520 --arm_linux_config_file="$armcc_conf" \
2521 --configure_sysroot="$sysroot" \
2522 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2523 die "Error creating armcc configuration file."
2524 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2525 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2526 as_default="${cross_prefix}gcc"
2527 _depflags='-MMD'
2528 _cflags_speed='-O3'
2529 _cflags_size='-Os'
0122118e 2530 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2531 _type=tms470
2532 _ident=$($_cc -version | head -n1 | tr -s ' ')
2533 _flags='--gcc --abi=eabi -me'
18031c49 2534 _cc_e='-ppl -fe=$@'
a758c5e2 2535 _cc_o='-fe=$@'
a758c5e2
MR
2536 _depflags='-ppa -ppd=$(@:.o=.d)'
2537 _cflags_speed='-O3 -mf=5'
2538 _cflags_size='-O3 -mf=2'
2539 _flags_filter=tms470_flags
2540 elif $_cc -v 2>&1 | grep -q clang; then
2541 _type=clang
2542 _ident=$($_cc --version | head -n1)
2543 _depflags='-MMD'
2544 _cflags_speed='-O3'
2545 _cflags_size='-Os'
2546 elif $_cc -V 2>&1 | grep -q Sun; then
2547 _type=suncc
2548 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2549 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2550 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2551 _ldflags='-std=c99'
2552 _cflags_speed='-O5'
2553 _cflags_size='-O5 -xspace'
2554 _flags_filter=suncc_flags
2555 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2556 _type=pathscale
2557 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2558 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2559 _cflags_speed='-O2'
2560 _cflags_size='-Os'
2561 _flags_filter='filter_out -Wdisabled-optimization'
2562 elif $_cc -v 2>&1 | grep -q Open64; then
2563 _type=open64
2564 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2565 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2566 _cflags_speed='-O2'
2567 _cflags_size='-Os'
2568 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2569 elif $_cc -V 2>&1 | grep -q Portland; then
2570 _type=pgi
2571 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2572 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2573 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2574 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2575 _cflags_noopt="-O1"
2576 _flags_filter=pgi_flags
dfa559bc
RB
2577 elif $_cc 2>&1 | grep -q Microsoft; then
2578 _type=msvc
2579 _ident=$($cc 2>&1 | head -n1)
2580 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2581 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2582 _cflags_speed="-O2"
2583 _cflags_size="-O1"
ace87c19
DB
2584 # Nonstandard output options, to avoid msys path conversion issues.
2585 # Relies on wrapper to remap it.
dfa559bc
RB
2586 if $_cc 2>&1 | grep -q Linker; then
2587 _ld_o='-out $@'
2588 else
2589 _ld_o='-Fe$@'
2590 fi
2591 _cc_o='-Fo $@'
a224b2cb 2592 _cc_e='-P -Fi $@'
dfa559bc
RB
2593 _flags_filter=msvc_flags
2594 _ld_lib='lib%.a'
2595 _ld_path='-libpath:'
2596 _flags='-nologo'
2597 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2598 if [ $pfx = hostcc ]; then
6a0200f2 2599 append _cflags -Dsnprintf=_snprintf
dfa559bc 2600 fi
322e4194
AS
2601 elif $_cc 2>&1 | grep -q Intel; then
2602 _type=icl
2603 _ident=$($cc 2>&1 | head -n1)
2604 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
ace87c19
DB
2605 # Not only is O3 broken on 13.x+ but it is slower on all previous
2606 # versions (tested) as well.
322e4194
AS
2607 _cflags_speed="-O2"
2608 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
ace87c19
DB
2609 # Nonstandard output options, to avoid msys path conversion issues.
2610 # Relies on wrapper to remap it.
322e4194
AS
2611 if $_cc 2>&1 | grep -q Linker; then
2612 _ld_o='-out $@'
2613 else
2614 _ld_o='-Fe$@'
2615 fi
2616 _cc_o='-Fo $@'
2617 _cc_e='-P'
14fb9d3d 2618 _flags_filter=icl_flags
322e4194
AS
2619 _ld_lib='lib%.a'
2620 _ld_path='-libpath:'
ace87c19 2621 # -Qdiag-error to make icl error when seeing certain unknown arguments
60f09c04 2622 _flags='-nologo -Qdiag-error:4044,10157'
ace87c19
DB
2623 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2624 # with MSVC which enables it by default.
e0d6e2fc 2625 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
322e4194
AS
2626 if [ $pfx = hostcc ]; then
2627 append _cflags -Dsnprintf=_snprintf
2628 fi
aef6bd1b 2629 fi
a758c5e2
MR
2630
2631 eval ${pfx}_type=\$_type
2632 eval ${pfx}_ident=\$_ident
2633}
2634
2635set_ccvars(){
23565c26 2636 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2637 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2638 eval ${1}_O=\${_cc_o-\${${1}_O}}
2639
2640 if [ -n "$_depflags" ]; then
2641 eval ${1}_DEPFLAGS=\$_depflags
2642 else
2643 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2644 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2645 eval DEP${1}FLAGS=\$_flags
2646 fi
2647}
2648
2649probe_cc cc "$cc"
2650cflags_filter=$_flags_filter
2651cflags_speed=$_cflags_speed
2652cflags_size=$_cflags_size
2653cflags_noopt=$_cflags_noopt
2654add_cflags $_flags $_cflags
2655cc_ldflags=$_ldflags
2656set_ccvars CC
2657
2658probe_cc hostcc "$host_cc"
2659host_cflags_filter=$_flags_filter
a758c5e2 2660add_host_cflags $_flags $_cflags
a758c5e2 2661set_ccvars HOSTCC
629687f6 2662
851ffa80
MR
2663test -n "$cc_type" && enable $cc_type ||
2664 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2665
75bafbac 2666: ${as_default:=$cc}
50567afa 2667: ${dep_cc_default:=$cc}
684b28e0 2668: ${ld_default:=$cc}
095792f2
MR
2669: ${host_ld_default:=$host_cc}
2670set_default ar as dep_cc ld host_ld
75800dce 2671
a758c5e2
MR
2672probe_cc as "$as"
2673asflags_filter=$_flags_filter
2674add_asflags $_flags $_cflags
2675set_ccvars AS
2676
2677probe_cc ld "$ld"
2678ldflags_filter=$_flags_filter
2679add_ldflags $_flags $_ldflags
2680test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2681LD_O=${_ld_o-$LD_O}
8db73c61
MR
2682LD_LIB=${_ld_lib-$LD_LIB}
2683LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2684
095792f2
MR
2685probe_cc hostld "$host_ld"
2686host_ldflags_filter=$_flags_filter
2687add_host_ldflags $_flags $_ldflags
2688HOSTLD_O=${_ld_o-$HOSTLD_O}
2689
a758c5e2
MR
2690if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2691 probe_cc depcc "$dep_cc"
2692 CCDEP=${_DEPCMD:-$DEPCMD}
2693 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2694 DEPCCFLAGS=$_flags
2695fi
07dec06e 2696
3dbc777c
MR
2697if $ar 2>&1 | grep -q Microsoft; then
2698 arflags="-nologo"
2699 ar_o='-out:$@'
2700elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2701 arflags="rq"
2702 ar_o='$@'
4822ee3c
DB
2703elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
2704 arflags='-Xany -r -c'
2705 ar_o='$@'
3dbc777c
MR
2706else
2707 arflags="rc"
2708 ar_o='$@'
2709fi
2710
7f32f40c 2711add_cflags $extra_cflags
2f2e6c7c 2712add_asflags $extra_cflags
7f32f40c 2713
154d432c
MR
2714if test -n "$sysroot"; then
2715 case "$cc_type" in
00ba041c 2716 gcc|llvm_gcc|clang)
467256f2 2717 add_cppflags --sysroot="$sysroot"
154d432c
MR
2718 add_ldflags --sysroot="$sysroot"
2719 ;;
6fec122a
MR
2720 tms470)
2721 add_cppflags -I"$sysinclude"
2722 add_ldflags --sysroot="$sysroot"
2723 ;;
154d432c
MR
2724 esac
2725fi
2726
d22c13a8 2727if test "$cpu" = host; then
ace87c19
DB
2728 enabled cross_compile &&
2729 die "--cpu=host makes no sense when cross-compiling."
d22c13a8
MR
2730
2731 case "$cc_type" in
613a4e3f 2732 gcc|llvm_gcc)
d22c13a8
MR
2733 check_native(){
2734 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2735 sed -n "/cc1.*$1=/{
27ce1be8
MR
2736 s/.*$1=\\([^ ]*\\).*/\\1/
2737 p
2738 q
2739 }" $TMPE
d22c13a8
MR
2740 }
2741 cpu=$(check_native -march || check_native -mcpu)
2742 ;;
2743 esac
2744
ace87c19
DB
2745 test "${cpu:-host}" = host &&
2746 die "--cpu=host not supported with compiler $cc"
d22c13a8
MR
2747fi
2748
e939cedd
MR
2749# Deal with common $arch aliases
2750case "$arch" in
5873b623
MR
2751 aarch64|arm64)
2752 arch="aarch64"
2753 ;;
e939cedd
MR
2754 arm*)
2755 arch="arm"
2756 ;;
2acda282 2757 mips*|IP*)
e939cedd
MR
2758 arch="mips"
2759 ;;
a6e9d649 2760 parisc*|hppa*)
e939cedd
MR
2761 arch="parisc"
2762 ;;
56203596 2763 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2764 arch="ppc"
2765 ;;
e939cedd
MR
2766 s390|s390x)
2767 arch="s390"
2768 ;;
2769 sh4|sh)
2770 arch="sh4"
2771 ;;
4cd217c0 2772 sun4u|sparc*)
e939cedd 2773 arch="sparc"
e939cedd 2774 ;;
c75848cd
DB
2775 tilegx|tile-gx)
2776 arch="tilegx"
2777 ;;
d33ed7b3 2778 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2779 arch="x86"
2780 ;;
2781esac
2782
851ffa80 2783is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2784enable $arch
e939cedd 2785
df5cdc24 2786# Add processor-specific flags
9ebd45c2 2787if enabled aarch64; then
33db40f8
MR
2788
2789 case $cpu in
2790 armv*)
2791 cpuflags="-march=$cpu"
2792 ;;
2793 *)
2794 cpuflags="-mcpu=$cpu"
2795 ;;
2796 esac
2797
2798elif enabled alpha; then
2799
2800 cpuflags="-mcpu=$cpu"
2801
2802elif enabled arm; then
2803
1234c66a
MR
2804 check_arm_arch() {
2805 check_cpp_condition stddef.h \
2806 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2807 $cpuflags
2808 }
2809
2810 probe_arm_arch() {
2811 if check_arm_arch 4; then echo armv4;
2812 elif check_arm_arch 4T; then echo armv4t;
2813 elif check_arm_arch 5; then echo armv5;
2814 elif check_arm_arch 5E; then echo armv5e;
2815 elif check_arm_arch 5T; then echo armv5t;
2816 elif check_arm_arch 5TE; then echo armv5te;
2817 elif check_arm_arch 5TEJ; then echo armv5te;
2818 elif check_arm_arch 6; then echo armv6;
2819 elif check_arm_arch 6J; then echo armv6j;
2820 elif check_arm_arch 6K; then echo armv6k;
2821 elif check_arm_arch 6Z; then echo armv6z;
2822 elif check_arm_arch 6ZK; then echo armv6zk;
2823 elif check_arm_arch 6T2; then echo armv6t2;
2824 elif check_arm_arch 7; then echo armv7;
2825 elif check_arm_arch 7A 7_A; then echo armv7-a;
2826 elif check_arm_arch 7R 7_R; then echo armv7-r;
2827 elif check_arm_arch 7M 7_M; then echo armv7-m;
2828 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2829 elif check_arm_arch 8A 8_A; then echo armv8-a;
2830 fi
2831 }
2832
2833 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2834
33db40f8
MR
2835 case $cpu in
2836 armv*)
2837 cpuflags="-march=$cpu"
2838 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2839 ;;
2840 *)
2841 cpuflags="-mcpu=$cpu"
2842 case $cpu in
2843 cortex-a*) subarch=armv7a ;;
2844 cortex-r*) subarch=armv7r ;;
2845 cortex-m*) enable thumb; subarch=armv7m ;;
2846 arm11*) subarch=armv6 ;;
2847 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2848 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 2849 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
2850 esac
2851 ;;
2852 esac
2853
f0fe245b
MR
2854 case "$subarch" in
2855 armv5t*) enable fast_clz ;;
2856 armv[6-8]*) enable fast_clz fast_unaligned ;;
2857 esac
2858
33db40f8
MR
2859elif enabled avr32; then
2860
2861 case $cpu in
2862 ap7[02]0[0-2])
2863 subarch="avr32_ap"
2864 cpuflags="-mpart=$cpu"
2865 ;;
2866 ap)
2867 subarch="avr32_ap"
2868 cpuflags="-march=$cpu"
2869 ;;
2870 uc3[ab]*)
2871 subarch="avr32_uc"
2872 cpuflags="-mcpu=$cpu"
2873 ;;
2874 uc)
2875 subarch="avr32_uc"
2876 cpuflags="-march=$cpu"
2877 ;;
2878 esac
2879
2880elif enabled bfin; then
2881
2882 cpuflags="-mcpu=$cpu"
2883
2884elif enabled mips; then
2885
2886 cpuflags="-march=$cpu"
2887
5d54c126 2888elif enabled ppc; then
343aef9b 2889
56348891
MR
2890 case $(tolower $cpu) in
2891 601|ppc601|powerpc601)
9dbd5c3d 2892 cpuflags="-mcpu=601"
64ad53ff 2893 disable altivec
9dbd5c3d 2894 ;;
56348891 2895 603*|ppc603*|powerpc603*)
9dbd5c3d 2896 cpuflags="-mcpu=603"
64ad53ff 2897 disable altivec
9dbd5c3d 2898 ;;
56348891 2899 604*|ppc604*|powerpc604*)
9dbd5c3d 2900 cpuflags="-mcpu=604"
64ad53ff 2901 disable altivec
9dbd5c3d 2902 ;;
56348891 2903 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 2904 cpuflags="-mcpu=750"
64ad53ff 2905 disable altivec
9dbd5c3d 2906 ;;
56348891 2907 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 2908 cpuflags="-mcpu=7450"
9dbd5c3d 2909 ;;
56348891 2910 74*|ppc74*|powerpc74*)
7f1fcaf0 2911 cpuflags="-mcpu=7400"
9dbd5c3d 2912 ;;
313f9fbf 2913 g5|970|ppc970|powerpc970)
7f1fcaf0 2914 cpuflags="-mcpu=970"
9dbd5c3d 2915 ;;
313f9fbf 2916 power[3-7]*)
7f1fcaf0 2917 cpuflags="-mcpu=$cpu"
313f9fbf 2918 ;;
56348891 2919 cell)
9dbd5c3d
MR
2920 cpuflags="-mcpu=cell"
2921 enable ldbrx
2922 ;;
4ab26cb4
DB
2923 e500mc)
2924 cpuflags="-mcpu=e500mc"
2925 disable altivec
2926 ;;
7b0b81a1
AL
2927 e500v2)
2928 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2929 disable altivec
2930 ;;
2931 e500)
2932 cpuflags="-mcpu=8540 -mhard-float"
2933 disable altivec
2934 ;;
9dbd5c3d 2935 esac
343aef9b 2936
33db40f8
MR
2937elif enabled sparc; then
2938
2939 case $cpu in
2940 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2941 cpuflags="-mcpu=$cpu"
2942 disable vis
2943 ;;
2944 ultrasparc*|niagara[234])
2945 cpuflags="-mcpu=$cpu"
2946 ;;
2947 esac
2948
343aef9b
MR
2949elif enabled x86; then
2950
9dbd5c3d
MR
2951 case $cpu in
2952 i[345]86|pentium)
2953 cpuflags="-march=$cpu"
2954 disable mmx
2955 ;;
f54b5505 2956 # targets that do NOT support nopl and conditional mov (cmov)
9dbd5c3d
MR
2957 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2958 cpuflags="-march=$cpu"
f54b5505 2959 disable i686
9dbd5c3d 2960 ;;
f54b5505 2961 # targets that do support nopl and conditional mov (cmov)
f2ce813e 2962 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d 2963 cpuflags="-march=$cpu"
f54b5505 2964 enable i686
9dbd5c3d
MR
2965 enable fast_cmov
2966 ;;
2967 # targets that do support conditional mov but on which it's slow
2968 pentium4|pentium4m|prescott|nocona)
2969 cpuflags="-march=$cpu"
f54b5505 2970 enable i686
9dbd5c3d
MR
2971 disable fast_cmov
2972 ;;
2973 esac
343aef9b 2974
343aef9b
MR
2975fi
2976
9ebd45c2
MR
2977if [ "$cpu" != generic ]; then
2978 add_cflags $cpuflags
2979 add_asflags $cpuflags
2980fi
df5cdc24 2981
993f2d0f
MR
2982# compiler sanity check
2983check_exec <<EOF
2984int main(void){ return 0; }
2985EOF
2986if test "$?" != 0; then
2987 echo "$cc is unable to create an executable file."
2988 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2989 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2990 echo "Only do this if you know what cross compiling means."
2991 fi
2992 die "C compiler test failed."
2993fi
2994
046f081b 2995add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2996check_cflags -std=c99
50a334e4 2997check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2998#include <stdlib.h>
2999EOF
50a334e4 3000check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
3001#include <stdlib.h>
3002EOF
e9b9a2f8 3003
f0125de9 3004check_host_cflags -std=c99
0a6db2a2 3005check_host_cflags -Wall
f0125de9 3006
d4c99513
MR
3007check_64bit(){
3008 arch32=$1
3009 arch64=$2
3010 expr=$3
3011 check_code cc "" "int test[2*($expr) - 1]" &&
3012 subarch=$arch64 || subarch=$arch32
3013}
3014
b24dbcbd 3015case "$arch" in
d11cb13b 3016 aarch64|alpha|ia64)
2acda282
MR
3017 spic=$shared
3018 ;;
3019 mips)
3020 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 3021 spic=$shared
b24dbcbd 3022 ;;
a6e9d649
MR
3023 parisc)
3024 check_64bit parisc parisc64 'sizeof(void *) > 4'
3025 spic=$shared
3026 ;;
56203596
MR
3027 ppc)
3028 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 3029 spic=$shared
56203596 3030 ;;
4cd217c0
MR
3031 sparc)
3032 check_64bit sparc sparc64 'sizeof(void *) > 4'
3033 spic=$shared
3034 ;;
e939cedd 3035 x86)
d4c99513 3036 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 3037 if test "$subarch" = "x86_64"; then
e939cedd 3038 spic=$shared
de27f4d9 3039 fi
b24dbcbd 3040 ;;
b24dbcbd
RP
3041esac
3042
343aef9b 3043enable $subarch
b1803c79 3044enabled spic && enable_weak pic
b24dbcbd 3045
7483e694 3046# OS specific
4f854758 3047case $target_os in
d3635f3a 3048 aix)
80ade798 3049 SHFLAGS=-shared
d3635f3a 3050 add_cppflags '-I\$(SRC_PATH)/compat/aix'
80ade798 3051 enabled shared && add_ldflags -Wl,-brtl
d3635f3a 3052 ;;
a1629e28 3053 haiku)
63ae7e7c 3054 prefix_default="/boot/common"
108caaaa 3055 network_extralibs="-lnetwork"
f59c4bd6 3056 host_libs=
a1629e28 3057 ;;
7483e694 3058 sunos)
9987769a 3059 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 3060 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 3061 network_extralibs="-lsocket -lnsl"
779222db 3062 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
3063 # When using suncc to build, the Solaris linker will mark
3064 # an executable with each instruction set encountered by
3065 # the Solaris assembler. As our libraries contain their own
3066 # guards for processor-specific code, instead suppress
3067 # generation of the HWCAPS ELF section on Solaris x86 only.
ace87c19
DB
3068 enabled_all suncc x86 &&
3069 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3070 add_ldflags -Wl,-M,mapfile
2a8a860a 3071 nm_default='nm -P -g'
7483e694
DB
3072 ;;
3073 netbsd)
a1e4b3f6 3074 disable symver
07a8eef6
MR
3075 oss_indev_extralibs="-lossaudio"
3076 oss_outdev_extralibs="-lossaudio"
7483e694 3077 ;;
d488c3bc 3078 openbsd|bitrig)
a1e4b3f6 3079 disable symver
7483e694 3080 SHFLAGS='-shared'
69dca3a4 3081 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
d5683aba 3082 SLIB_INSTALL_LINKS=
07a8eef6
MR
3083 oss_indev_extralibs="-lossaudio"
3084 oss_outdev_extralibs="-lossaudio"
7483e694 3085 ;;
a1e4b3f6 3086 dragonfly)
a1e4b3f6
MR
3087 disable symver
3088 ;;
3089 freebsd)
7483e694
DB
3090 ;;
3091 bsd/os)
355d81df 3092 add_extralibs -lpoll -lgnugetopt
7483e694
DB
3093 ;;
3094 darwin)
301ab19d 3095 gas="gas-preprocessor.pl $cc"
e08b8239 3096 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 3097 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 3098 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 3099 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
3100 SLIBSUF=".dylib"
3101 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3102 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
304d586d 3103 objformat="macho"
1b0f6fb8 3104 enabled x86_64 && objformat="macho64"
8dfa86f7 3105 enabled_any pic shared ||
2704bd1a 3106 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
3107 ;;
3108 mingw32*)
9d3f4f50 3109 if test $target_os = "mingw32ce"; then
1aa71e25
MS
3110 disable network
3111 else
3112 target_os=mingw32
3113 fi
dcc01c06 3114 LIBTARGET=i386
1fc9fb8a 3115 if enabled x86_64; then
417516f6 3116 LIBTARGET="i386:x86-64"
336cc1b0 3117 elif enabled arm; then
15c5156d 3118 LIBTARGET=arm-wince
dcc01c06 3119 fi
225a5f91
AS
3120 check_ldflags -Wl,--nxcompat
3121 check_ldflags -Wl,--dynamicbase
fbd971a4 3122 shlibdir_default="$bindir_default"
7483e694
DB
3123 SLIBPREF=""
3124 SLIBSUF=".dll"
7483e694
DB
3125 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3126 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
eb7018d2 3127 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2f138f0b
MR
3128 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3129 SLIB_INSTALL_LINKS=
3130 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3131 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
eb7018d2 3132 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 3133 objformat="win32"
ec10a9ab 3134 dlltool="${cross_prefix}dlltool"
a3222470 3135 ranlib=:
bc574408 3136 enable dos_paths
7483e694 3137 ;;
53e8cd68 3138 win32|win64)
d66c52c2
MS
3139 if enabled shared; then
3140 # Link to the import library instead of the normal static library
3141 # for shared libs.
3142 LD_LIB='%.lib'
ace87c19 3143 # Cannot build shared and static libs at the same time with MSVC.
d66c52c2
MS
3144 disable static
3145 fi
3146 shlibdir_default="$bindir_default"
3147 SLIBPREF=""
3148 SLIBSUF=".dll"
3149 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3150 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3151 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3152 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3153 SLIB_INSTALL_LINKS=
3154 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3155 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3156 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
53e8cd68
MS
3157 objformat="win32"
3158 ranlib=:
3159 enable dos_paths
3160 ;;
7483e694 3161 cygwin*)
4f854758 3162 target_os=cygwin
fbd971a4 3163 shlibdir_default="$bindir_default"
7483e694
DB
3164 SLIBPREF="cyg"
3165 SLIBSUF=".dll"
3166 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3167 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
3168 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3169 SLIB_INSTALL_LINKS=
3170 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3171 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 3172 objformat="win32"
bc574408 3173 enable dos_paths
7483e694 3174 ;;
4f365f37 3175 *-dos|freedos|opendos)
4f365f37 3176 network_extralibs="-lsocket"
ff1c015d 3177 objformat="coff"
bc574408 3178 enable dos_paths
a7a187a1 3179 add_cppflags -U__STRICT_ANSI__
4f365f37 3180 ;;
7483e694 3181 linux)
7483e694
DB
3182 enable dv1394
3183 ;;
3184 irix*)
4f854758 3185 target_os=irix
7483e694
DB
3186 ranlib="echo ignoring ranlib"
3187 ;;
d22e8442 3188 os/2*)
d22e8442 3189 ln_s="cp -f"
9297f1ed 3190 objformat="aout"
e14574eb 3191 add_cppflags -D_GNU_SOURCE
355d81df 3192 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 3193 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
287d3b13 3194 LIBSUF="_s.a"
d22e8442
DY
3195 SLIBPREF=""
3196 SLIBSUF=".dll"
3197 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3198 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62 3199 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
f69f51b3
DB
3200 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3201 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3202 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3203 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3204 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
71c61f62 3205 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
f69f51b3 3206 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 3207 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 3208 enable dos_paths
d22e8442 3209 ;;
83993c1c 3210 gnu/kfreebsd)
3bd1eacd 3211 add_cppflags -D_BSD_SOURCE
83993c1c 3212 ;;
34e82167 3213 gnu)
34e82167 3214 ;;
d33ed7b3
MR
3215 qnx)
3216 add_cppflags -D_QNX_SOURCE
3217 network_extralibs="-lsocket"
3218 ;;
1c69c79f
MS
3219 symbian)
3220 SLIBSUF=".dll"
3221 enable dos_paths
e3bc07f4
MS
3222 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3223 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3224 add_ldflags -Wl,--target1-abs,--no-undefined \
3225 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3226 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3227 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3228 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3229 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 3230 ;;
fdd66609
MR
3231 osf1)
3232 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
fdd66609 3233 ;;
741a8b72
MR
3234 minix)
3235 ;;
4ebc6a74
MR
3236 plan9)
3237 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3238 -D_REENTRANT_SOURCE \
3239 -D_RESEARCH_SOURCE \
3240 -DFD_SETSIZE=96 \
3241 -DHAVE_SOCK_OPTS
3242 add_compat strtod.o strtod=avpriv_strtod
3243 network_extralibs='-lbsd'
3244 exeobjs=compat/plan9/main.o
3245 disable avserver
4ebc6a74
MR
3246 cp_f='cp'
3247 ;;
614d8911
MR
3248 none)
3249 ;;
7483e694 3250 *)
4f924f9a 3251 die "Unknown OS '$target_os'."
7483e694
DB
3252 ;;
3253esac
3254
b797f3c4
MR
3255# determine libc flavour
3256
197252f1 3257# uclibc defines __GLIBC__, so it needs to be checked before glibc.
b797f3c4
MR
3258if check_cpp_condition features.h "defined __UCLIBC__"; then
3259 libc_type=uclibc
3bd1eacd 3260 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3261elif check_cpp_condition features.h "defined __GLIBC__"; then
3262 libc_type=glibc
3bd1eacd 3263 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
29f1fa74
DB
3264# MinGW headers can be installed on Cygwin, so check for newlib first.
3265elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3266 libc_type=newlib
3267 add_cppflags -U__STRICT_ANSI__
b797f3c4
MR
3268elif check_header _mingw.h; then
3269 libc_type=mingw
3270 check_cpp_condition _mingw.h \
3271 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3272 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3273 die "ERROR: MinGW runtime version must be >= 3.15."
759a3a21 3274 add_cppflags -U__STRICT_ANSI__
4fa661a8
RB
3275elif check_func_headers stdlib.h _get_doserrno; then
3276 libc_type=msvcrt
84e65c76
MR
3277 add_compat strtod.o strtod=avpriv_strtod
3278 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3279 _snprintf=avpriv_snprintf \
3280 vsnprintf=avpriv_vsnprintf
0b6899f1
MS
3281 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3282 # 0x601 by default unless something else is set by the user.
3283 # This can easily lead to us detecting functions only present
3284 # in such new versions and producing binaries requiring windows 7.0.
3285 # Therefore explicitly set the default to XP unless the user has
3286 # set something else on the command line.
3287 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
b797f3c4
MR
3288elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3289 libc_type=klibc
5b2b0b91
MS
3290elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3291 libc_type=bionic
3292 add_compat strtod.o strtod=avpriv_strtod
b797f3c4
MR
3293fi
3294
3295test -n "$libc_type" && enable $libc_type
3296
5ab432fa
MR
3297# hacks for compiler/libc/os combinations
3298
3299if enabled_all tms470 glibc; then
b6f8d635 3300 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5ab432fa
MR
3301 add_cppflags -D__USER_LABEL_PREFIX__=
3302 add_cppflags -D__builtin_memset=memset
3303 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3304 add_cflags -pds=48 # incompatible redefinition of macro
3305fi
3306
457cc333
MR
3307if enabled_all ccc glibc; then
3308 add_ldflags -Wl,-z,now # calls to libots crash without this
3309fi
3310
6555acad
MR
3311esc(){
3312 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3313}
3314
3315echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 3316
b1803c79 3317check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
13cb2187 3318
c9d19248 3319set_default $PATHS_LIST
2a8a860a 3320set_default nm
c9d19248