avio: Add const qualifiers to ffio_read_indirect
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 4#
949906ea
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
070c5d0f 47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
505dfb09 48 echo "Instead, install a working POSIX-compatible shell."
070c5d0f 49 echo "Disabling this configure test will create a broken Libav."
c21d6325
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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54 exit 1
55fi
56
a77f01c7
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57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
06454877
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61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
3b327a4b
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66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
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80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
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84 --libdir=DIR install libs in DIR [PREFIX/lib]
85 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
86 --incdir=DIR install includes in DIR [PREFIX/include]
87 --mandir=DIR install man page in DIR [PREFIX/share/man]
88
3b327a4b 89Licensing options:
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90 --enable-gpl allow use of GPL code, the resulting libs
91 and binaries will be under GPL [no]
92 --enable-version3 upgrade (L)GPL to version 3 [no]
93 --enable-nonfree allow use of nonfree code, the resulting libs
94 and binaries will be unredistributable [no]
3b327a4b
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95
96Configuration options:
97 --disable-static do not build static libraries [no]
98 --enable-shared build shared libraries [no]
99 --enable-small optimize for size instead of speed
100 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
844c6852 103 --disable-all disable building components, libraries and programs
3b327a4b 104
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105Program options:
106 --disable-programs do not build command line programs
6291d7e4 107 --disable-avconv disable avconv build
266463da 108 --disable-avplay disable avplay build
9e12f0bf 109 --disable-avprobe disable avprobe build
4d58e4cb 110 --disable-avserver disable avserver build
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111
112Component options:
113 --disable-doc do not build documentation
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114 --disable-avdevice disable libavdevice build
115 --disable-avcodec disable libavcodec build
116 --disable-avformat disable libavformat build
d89f2fa9 117 --disable-avutil disable libavutil build
5a0f7131 118 --disable-swscale disable libswscale build
cccc039f 119 --disable-avfilter disable video filter support [no]
c8af852b 120 --disable-avresample disable libavresample build [no]
0dbfc1db 121 --disable-pthreads disable pthreads [auto]
7b7b220c 122 --disable-w32threads disable Win32 threads [auto]
06454877 123 --disable-network disable network support [no]
7f3f5f46 124 --disable-dct disable DCT code
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
3b327a4b
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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.
7e4d9d5d
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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
7bfc8ae6
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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 "$logfile" produced by configure as this will help
341solving the problem.
2ba042a7
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342EOF
343 fi
57bd82d4
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344 exit 1
345}
346
6c6007d6 347# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 348toupper(){
6c6007d6 349 echo "$@" | 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
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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
a8d04fba
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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}
799c9e9b
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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
MR
444 done
445}
446
a8d04fba
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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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MR
464 for var; do
465 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
466 done
72702705
MR
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
f9d328da
MR
475do_enable_deep(){
476 for var; do
477 enabled $var && continue
478 eval sel="\$${var}_select"
c510c7b5
MR
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 $var
500 done
72a43668
MR
501}
502
57bd82d4 503enabled(){
3250003c
MR
504 test "${1#!}" = "$1" && op== || op=!=
505 eval test "x\$${1#!}" $op "xyes"
44161118
MR
506}
507
37970ebf 508disabled(){
3250003c
MR
509 test "${1#!}" = "$1" && op== || op=!=
510 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
511}
512
44161118
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513enabled_all(){
514 for opt; do
515 enabled $opt || return 1
516 done
517}
518
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DB
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
4a0d6686
AJ
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 $cfg
799c9e9b 560
30fd06be
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561 eval dep_all="\$${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
255d9c57 1393 riffdec
3dd5c95d 1394 riffenc
bfe9f48a 1395 rtpdec
5ad2f0bf 1396 rtpenc_chain
bfe9f48a 1397 sinewin
8c53d39e 1398 videodsp
ab9f9876 1399 vp3dsp
b6bb00b0
MR
1400"
1401
520cc7f1 1402CMDLINE_SELECT="
3f5b56e5 1403 $ARCH_EXT_LIST
520cc7f1 1404 $CONFIG_LIST
fd712a55 1405 $HAVE_LIST_CMDLINE
8eee7025 1406 $THREADS_LIST
c8a4ae00 1407 asm
db6107b6 1408 cross_compile
520cc7f1
MR
1409 debug
1410 extra_warnings
8c6afa4d 1411 logging
65d12900 1412 lto
d2bbb2f7 1413 optimizations
520cc7f1 1414"
426be5dc
DB
1415
1416PATHS_LIST='
d156bede 1417 bindir
14a8acf1 1418 datadir
26759c44
MR
1419 incdir
1420 libdir
26759c44
MR
1421 mandir
1422 prefix
1423 shlibdir
426be5dc
DB
1424'
1425
1426CMDLINE_SET="
1427 $PATHS_LIST
121d78d0 1428 ar
426be5dc 1429 arch
313c46a6 1430 as
426be5dc
DB
1431 build_suffix
1432 cc
1433 cpu
1434 cross_prefix
50567afa 1435 dep_cc
ac63af34 1436 extra_version
9da6609f
MR
1437 host_cc
1438 host_cflags
095792f2 1439 host_ld
9da6609f
MR
1440 host_ldflags
1441 host_libs
82bb3329 1442 host_os
684b28e0 1443 ld
426be5dc 1444 logfile
4ae40685 1445 malloc_prefix
89641463 1446 nm
9cd7b854 1447 optflags
3f8040db 1448 pkg_config
154caa67 1449 random_seed
2fad0977 1450 samples
c5200f17
MR
1451 sysinclude
1452 sysroot
a7ada2ba 1453 target_exec
26759c44 1454 target_os
a7ada2ba 1455 target_path
ba13606c 1456 target_samples
aeeb782c 1457 toolchain
426be5dc 1458"
520cc7f1 1459
89f2932b
MR
1460CMDLINE_APPEND="
1461 extra_cflags
4cc4b33f 1462 host_cppflags
89f2932b
MR
1463"
1464
912f3148
DB
1465# code dependency declarations
1466
9eeed841 1467# architecture extensions
808fa33c 1468
a2fc0f6a
MR
1469armv5te_deps="arm"
1470armv6_deps="arm"
ab5cb084 1471armv6t2_deps="arm"
808fa33c 1472neon_deps="arm"
b3267559
MR
1473vfp_deps="arm"
1474vfpv3_deps="vfp"
808fa33c 1475
637606de
MR
1476map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1477
808fa33c
MR
1478altivec_deps="ppc"
1479ppc4xx_deps="ppc"
1480
1481vis_deps="sparc"
1482
f54b5505 1483x86_64_suggest="fast_cmov i686"
50cd43f2 1484
808fa33c
MR
1485amd3dnow_deps="mmx"
1486amd3dnowext_deps="amd3dnow"
9eeed841 1487mmx_deps="x86"
239fdf1b 1488mmxext_deps="mmx"
50cd43f2
DB
1489sse_deps="mmxext"
1490sse2_deps="sse"
1491sse3_deps="sse2"
1492ssse3_deps="sse3"
1493sse4_deps="ssse3"
1494sse42_deps="sse4"
1495avx_deps="sse42"
79687079 1496fma4_deps="avx"
9eeed841 1497
43b73d59
DB
1498mmx_external_deps="yasm"
1499mmx_inline_deps="inline_asm"
1500mmx_suggest="mmx_external mmx_inline"
1501
1502for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1503 eval dep=\$${ext}_deps
1504 eval ${ext}_external_deps='"${dep}_external"'
1505 eval ${ext}_inline_deps='"${dep}_inline"'
1506 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1507done
1508
59782b82 1509aligned_stack_if_any="ppc x86"
e939cedd 1510fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
f0fe245b
MR
1511fast_clz_if_any="alpha avr32 mips ppc x86"
1512fast_unaligned_if_any="ppc x86"
669b5583 1513
6fec122a 1514inline_asm_deps="!tms470"
3e0b1c9a 1515need_memalign="altivec neon sse"
89e053f8 1516
b462d132
MR
1517symver_if_any="symver_asm_label symver_gnu_asm"
1518
88a35699
MS
1519log2_deps="!msvcrt"
1520
26fbcc85 1521# subsystems
dc609252 1522dct_select="rdft"
b93b27ed
RB
1523error_resilience_select="dsputil"
1524lpc_select="dsputil"
26fbcc85
MR
1525mdct_select="fft"
1526rdft_select="fft"
1e164c0b 1527mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1528mpegaudiodsp_select="dct"
f4fed5a2 1529mpegvideo_select="dsputil hpeldsp videodsp"
ad08dfd5 1530mpegvideoenc_select="mpegvideo"
26fbcc85 1531
ed40b6bf 1532# decoders / encoders
cfc2a0cf 1533aac_decoder_select="mdct sinewin"
aa11cb79 1534aac_encoder_select="audio_frame_queue mdct sinewin"
136e19e1 1535aac_latm_decoder_select="aac_decoder aac_latm_parser"
b93b27ed
RB
1536ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1537ac3_encoder_select="mdct ac3dsp dsputil"
1538ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1232a164 1539aic_decoder_select="dsputil golomb"
f4d608e3 1540alac_encoder_select="lpc"
b93b27ed 1541als_decoder_select="dsputil"
b781cc12 1542amrnb_decoder_select="lsp"
2b2a597e 1543amrwb_decoder_select="lsp"
28bc406c 1544amv_decoder_select="dsputil hpeldsp"
b93b27ed
RB
1545ape_decoder_select="dsputil"
1546asv1_decoder_select="dsputil"
1547asv1_encoder_select="dsputil"
1548asv2_decoder_select="dsputil"
1549asv2_encoder_select="dsputil"
4538729a 1550atrac1_decoder_select="mdct sinewin"
26fbcc85 1551atrac3_decoder_select="mdct"
0f0a11d5 1552bink_decoder_select="dsputil hpeldsp"
a33657ce
DB
1553binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1554binkaudio_rdft_decoder_select="mdct rdft sinewin"
b93b27ed
RB
1555cavs_decoder_select="dsputil golomb h264chroma videodsp"
1556cllc_decoder_select="dsputil"
9b500b8f 1557comfortnoise_encoder_select="lpc"
b93b27ed 1558cook_decoder_select="dsputil mdct sinewin"
2a91ada8 1559cscd_decoder_select="lzo"
2eef7c62 1560cscd_decoder_suggest="zlib"
26fbcc85 1561dca_decoder_select="mdct"
b93b27ed
RB
1562dnxhd_decoder_select="dsputil"
1563dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1564dvvideo_decoder_select="dsputil"
1565dvvideo_encoder_select="dsputil"
61c31e4e 1566dxa_decoder_deps="zlib"
baf91bb9 1567eac3_decoder_select="ac3_decoder"
4264a0dd 1568eac3_encoder_select="ac3_encoder"
b93b27ed
RB
1569eamad_decoder_select="aandcttables dsputil mpegvideo"
1570eatgq_decoder_select="aandcttables dsputil"
cfe5908a 1571eatqi_decoder_select="aandcttables error_resilience mpegvideo"
b93b27ed
RB
1572ffv1_decoder_select="dsputil golomb rangecoder"
1573ffv1_encoder_select="dsputil rangecoder"
1574ffvhuff_decoder_select="dsputil"
1575ffvhuff_encoder_select="dsputil huffman"
4f034993 1576flac_decoder_select="golomb"
b93b27ed 1577flac_encoder_select="dsputil golomb lpc"
61c31e4e
DB
1578flashsv_decoder_deps="zlib"
1579flashsv_encoder_deps="zlib"
1580flashsv2_decoder_deps="zlib"
4414137e 1581flv_decoder_select="h263_decoder"
4d4b4bd1 1582flv_encoder_select="h263_encoder"
b93b27ed
RB
1583fourxm_decoder_select="dsputil"
1584fraps_decoder_select="dsputil huffman"
61c31e4e
DB
1585g2m_decoder_deps="zlib"
1586g2m_decoder_select="dsputil"
c292f6a2 1587h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1588h261_encoder_select="aandcttables mpegvideoenc"
c292f6a2 1589h263_decoder_select="error_resilience h263_parser mpegvideo"
06b54e84 1590h263_encoder_select="aandcttables mpegvideoenc"
4414137e 1591h263i_decoder_select="h263_decoder"
fe629c2d 1592h263p_encoder_select="h263_encoder"
0b499c9b
RB
1593h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1594h264_decoder_suggest="error_resilience"
b93b27ed
RB
1595huffyuv_decoder_select="dsputil"
1596huffyuv_encoder_select="dsputil huffman"
1597iac_decoder_select="dsputil fft mdct sinewin"
1598imc_decoder_select="dsputil fft mdct sinewin"
8f992dc8 1599indeo3_decoder_select="hpeldsp"
8071264f 1600interplay_video_decoder_select="hpeldsp"
28bc406c 1601jpegls_decoder_select="dsputil golomb hpeldsp"
4f034993 1602jpegls_encoder_select="golomb"
b93b27ed
RB
1603jv_decoder_select="dsputil"
1604lagarith_decoder_select="dsputil"
ad08dfd5 1605ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1606loco_decoder_select="golomb"
b93b27ed 1607mdec_decoder_select="dsputil error_resilience mpegvideo"
c1047003 1608mimic_decoder_select="dsputil hpeldsp"
28bc406c
RB
1609mjpeg_decoder_select="dsputil hpeldsp"
1610mjpegb_decoder_select="dsputil hpeldsp"
b93b27ed
RB
1611mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1612mlp_decoder_select="dsputil mlp_parser"
1613motionpixels_decoder_select="dsputil"
1e164c0b
DB
1614mp1_decoder_select="mpegaudio"
1615mp1float_decoder_select="mpegaudio"
1616mp2_decoder_select="mpegaudio"
1617mp2float_decoder_select="mpegaudio"
1618mp3_decoder_select="mpegaudio"
1619mp3adu_decoder_select="mpegaudio"
1620mp3adufloat_decoder_select="mpegaudio"
1621mp3float_decoder_select="mpegaudio"
1622mp3on4_decoder_select="mpegaudio"
1623mp3on4float_decoder_select="mpegaudio"
b93b27ed
RB
1624mpc7_decoder_select="dsputil mpegaudiodsp"
1625mpc8_decoder_select="dsputil mpegaudiodsp"
3e0b1c9a 1626mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
d767e2f9 1627mpeg_xvmc_decoder_select="mpeg2video_decoder"
c292f6a2 1628mpeg1video_decoder_select="error_resilience mpegvideo"
06b54e84 1629mpeg1video_encoder_select="aandcttables mpegvideoenc"
c292f6a2 1630mpeg2video_decoder_select="error_resilience mpegvideo"
06b54e84 1631mpeg2video_encoder_select="aandcttables mpegvideoenc"
3e0b1c9a
DB
1632mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1633mpeg4_encoder_select="h263_encoder"
4414137e 1634msmpeg4v1_decoder_select="h263_decoder"
4414137e 1635msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1636msmpeg4v2_encoder_select="h263_encoder"
4414137e 1637msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1638msmpeg4v3_encoder_select="h263_encoder"
06b54e84 1639mss2_decoder_select="error_resilience vc1_decoder"
28bc406c 1640mxpeg_decoder_select="dsputil hpeldsp"
4538729a 1641nellymoser_decoder_select="mdct sinewin"
aa11cb79 1642nellymoser_encoder_select="audio_frame_queue mdct sinewin"
b93b27ed 1643nuv_decoder_select="dsputil lzo"
61c31e4e
DB
1644png_decoder_deps="zlib"
1645png_decoder_select="dsputil"
1646png_encoder_deps="zlib"
1647png_encoder_select="dsputil"
b93b27ed
RB
1648prores_decoder_select="dsputil"
1649prores_encoder_select="dsputil"
b781cc12 1650qcelp_decoder_select="lsp"
c4f5c2d6 1651qdm2_decoder_select="mdct rdft mpegaudiodsp"
aa11cb79 1652ra_144_encoder_select="audio_frame_queue lpc"
9f43fdda 1653ralf_decoder_select="golomb"
06b54e84 1654rv10_decoder_select="error_resilience h263_decoder"
b2bf38b4 1655rv10_encoder_select="h263_encoder"
06b54e84 1656rv20_decoder_select="error_resilience h263_decoder"
b2bf38b4 1657rv20_encoder_select="h263_encoder"
870add0d
DB
1658rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1659rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
4f034993 1660shorten_decoder_select="golomb"
b781cc12 1661sipr_decoder_select="lsp"
28bc406c 1662sp5x_decoder_select="dsputil hpeldsp"
6caa44aa 1663svq1_decoder_select="hpeldsp"
1277dc07 1664svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
2f6bc5f7 1665svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
0b499c9b 1666svq3_decoder_suggest="error_resilience zlib"
b93b27ed 1667tak_decoder_select="dsputil"
4eef77c1 1668theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1669tiff_decoder_suggest="zlib"
1670tiff_encoder_suggest="zlib"
28bc406c 1671thp_decoder_select="dsputil hpeldsp"
aec09a00 1672truehd_decoder_select="mlp_decoder"
b93b27ed
RB
1673truemotion2_decoder_select="dsputil"
1674truespeech_decoder_select="dsputil"
61c31e4e 1675tscc_decoder_deps="zlib"
4538729a 1676twinvq_decoder_select="mdct lsp sinewin"
b93b27ed
RB
1677utvideo_decoder_select="dsputil"
1678utvideo_encoder_select="dsputil huffman"
1679vble_decoder_select="dsputil"
06b54e84 1680vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
45ecda85 1681vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1682vorbis_decoder_select="mdct"
1683vorbis_encoder_select="mdct"
3bd062bf 1684vp3_decoder_select="hpeldsp vp3dsp videodsp"
cb7ecb75
RB
1685vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1686vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
e82dc4c9
DB
1687vp6a_decoder_select="vp6_decoder"
1688vp6f_decoder_select="vp6_decoder"
8c53d39e 1689vp8_decoder_select="h264pred videodsp"
4538729a
MR
1690wmapro_decoder_select="mdct sinewin"
1691wmav1_decoder_select="mdct sinewin"
1692wmav1_encoder_select="mdct sinewin"
1693wmav2_decoder_select="mdct sinewin"
1694wmav2_encoder_select="mdct sinewin"
1695wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1696wmv1_decoder_select="h263_decoder"
665507aa 1697wmv1_encoder_select="h263_encoder"
870add0d 1698wmv2_decoder_select="h263_decoder videodsp"
1746e2a9 1699wmv2_encoder_select="h263_encoder"
015f8ee0 1700wmv3_decoder_select="vc1_decoder"
45ecda85 1701wmv3image_decoder_select="wmv3_decoder"
61c31e4e
DB
1702zerocodec_decoder_deps="zlib"
1703zlib_decoder_deps="zlib"
1704zlib_encoder_deps="zlib"
1705zmbv_decoder_deps="zlib"
1706zmbv_encoder_deps="zlib"
30fd06be 1707
ed40b6bf 1708# hardware accelerators
215cdd35 1709dxva2_deps="dxva2api_h"
0afab17e 1710vaapi_deps="va_va_h"
ac3dbb4d 1711vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
9840130e 1712vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
c89c96e9
MR
1713vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1714
82ca17ac
DB
1715h263_vaapi_hwaccel_deps="vaapi"
1716h263_vaapi_hwaccel_select="h263_decoder"
1717h263_vdpau_hwaccel_deps="vdpau"
1718h263_vdpau_hwaccel_select="h263_decoder"
215cdd35
DB
1719h264_dxva2_hwaccel_deps="dxva2"
1720h264_dxva2_hwaccel_select="h264_decoder"
82ca17ac
DB
1721h264_vaapi_hwaccel_deps="vaapi"
1722h264_vaapi_hwaccel_select="h264_decoder"
1723h264_vda_hwaccel_deps="vda"
1724h264_vda_hwaccel_select="h264_decoder"
82ca17ac
DB
1725h264_vdpau_hwaccel_deps="vdpau"
1726h264_vdpau_hwaccel_select="h264_decoder"
82ca17ac
DB
1727mpeg1_vdpau_hwaccel_deps="vdpau"
1728mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
215cdd35
DB
1729mpeg2_dxva2_hwaccel_deps="dxva2"
1730mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
82ca17ac
DB
1731mpeg2_vaapi_hwaccel_deps="vaapi"
1732mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1733mpeg2_vdpau_hwaccel_deps="vdpau"
1734mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1735mpeg4_vaapi_hwaccel_deps="vaapi"
1736mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
82ca17ac
DB
1737mpeg4_vdpau_hwaccel_deps="vdpau"
1738mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
215cdd35
DB
1739vc1_dxva2_hwaccel_deps="dxva2"
1740vc1_dxva2_hwaccel_select="vc1_decoder"
82ca17ac
DB
1741vc1_vaapi_hwaccel_deps="vaapi"
1742vc1_vaapi_hwaccel_select="vc1_decoder"
82ca17ac
DB
1743vc1_vdpau_hwaccel_deps="vdpau"
1744vc1_vdpau_hwaccel_select="vc1_decoder"
ed40b6bf
DB
1745wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1746wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
77525327 1747wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1748
28b80940 1749# parsers
0b499c9b 1750h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
c292f6a2
DB
1751mpeg4video_parser_select="error_resilience mpegvideo"
1752mpegvideo_parser_select="error_resilience mpegvideo"
06b54e84 1753vc1_parser_select="mpegvideo"
28b80940 1754
912f3148 1755# external libraries
c9171a83 1756libfaac_encoder_deps="libfaac"
aa11cb79 1757libfaac_encoder_select="audio_frame_queue"
37eeb5e2 1758libfdk_aac_encoder_deps="libfdk_aac"
aa11cb79 1759libfdk_aac_encoder_select="audio_frame_queue"
299c77d5
MR
1760libgsm_decoder_deps="libgsm"
1761libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1762libgsm_ms_decoder_deps="libgsm"
1763libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1764libilbc_decoder_deps="libilbc"
1765libilbc_encoder_deps="libilbc"
1cc60c47 1766libmp3lame_encoder_deps="libmp3lame"
aa11cb79 1767libmp3lame_encoder_select="audio_frame_queue"
0b175caa
DB
1768libopencore_amrnb_decoder_deps="libopencore_amrnb"
1769libopencore_amrnb_encoder_deps="libopencore_amrnb"
aa11cb79 1770libopencore_amrnb_encoder_select="audio_frame_queue"
0b175caa 1771libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1772libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1773libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1774libopus_decoder_deps="libopus"
6cb8c854 1775libopus_encoder_deps="libopus"
aa11cb79 1776libopus_encoder_select="audio_frame_queue"
f7cd9eed
AS
1777libschroedinger_decoder_deps="libschroedinger"
1778libschroedinger_encoder_deps="libschroedinger"
ae14f311 1779libspeex_decoder_deps="libspeex"
b606a017 1780libspeex_encoder_deps="libspeex"
aa11cb79 1781libspeex_encoder_select="audio_frame_queue"
150d2772 1782libtheora_encoder_deps="libtheora"
d89e738a 1783libvo_aacenc_encoder_deps="libvo_aacenc"
aa11cb79 1784libvo_aacenc_encoder_select="audio_frame_queue"
f502ff3f 1785libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1786libvorbis_encoder_deps="libvorbis"
aa11cb79 1787libvorbis_encoder_select="audio_frame_queue"
3f111804
LB
1788libvpx_vp8_decoder_deps="libvpx"
1789libvpx_vp8_encoder_deps="libvpx"
1790libvpx_vp9_decoder_deps="libvpx"
1791libvpx_vp9_encoder_deps="libvpx"
84d3ff50 1792libwavpack_encoder_deps="libwavpack"
1cc60c47 1793libx264_encoder_deps="libx264"
de295976 1794libxavs_encoder_deps="libxavs"
1cc60c47 1795libxvid_encoder_deps="libxvid"
30fd06be 1796
912f3148 1797# demuxers / muxers
c2dd0e9e 1798ac3_demuxer_select="ac3_parser"
255d9c57 1799asf_demuxer_select="riffdec"
3dd5c95d 1800asf_muxer_select="riffenc"
647c2356 1801asf_stream_muxer_select="asf_muxer"
255d9c57 1802avi_demuxer_select="riffdec"
3dd5c95d 1803avi_muxer_select="riffenc"
4e622dea 1804avisynth_demuxer_deps="avisynth"
255d9c57
DB
1805avisynth_demuxer_select="riffdec"
1806caf_demuxer_select="riffdec"
c2dd0e9e 1807dirac_demuxer_select="dirac_parser"
255d9c57 1808dxa_demuxer_select="riffdec"
5b423887 1809eac3_demuxer_select="ac3_parser"
c2dd0e9e 1810flac_demuxer_select="flac_parser"
647c2356 1811ipod_muxer_select="mov_muxer"
31f16dc1 1812ismv_muxer_select="mov_muxer"
647c2356 1813matroska_audio_muxer_select="matroska_muxer"
255d9c57 1814matroska_demuxer_select="riffdec"
2a91ada8 1815matroska_demuxer_suggest="bzlib lzo zlib"
3dd5c95d
DB
1816matroska_muxer_select="riffenc"
1817mmf_muxer_select="riffenc"
255d9c57 1818mov_demuxer_select="riffdec"
4e622dea 1819mov_demuxer_suggest="zlib"
3dd5c95d 1820mov_muxer_select="riffenc rtpenc_chain"
c2dd0e9e 1821mp3_demuxer_select="mpegaudio_parser"
647c2356 1822mp4_muxer_select="mov_muxer"
75644335 1823mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
1824mpegtsraw_demuxer_select="mpegts_demuxer"
1825mxf_d10_muxer_select="mxf_muxer"
3dd5c95d 1826nut_muxer_select="riffenc"
255d9c57 1827nuv_demuxer_select="riffdec"
24ca518b 1828ogg_demuxer_select="golomb"
647c2356 1829psp_muxer_select="mov_muxer"
44594cc7 1830rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
1831rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1832rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 1833rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 1834sap_demuxer_select="sdp_demuxer"
5ad2f0bf 1835sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 1836sdp_demuxer_select="rtpdec"
e772f9fa 1837smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1838spdif_muxer_select="aac_parser"
57231e4d 1839tak_demuxer_select="tak_parser"
647c2356
DB
1840tg2_muxer_select="mov_muxer"
1841tgp_muxer_select="mov_muxer"
a7d45e06 1842w64_demuxer_select="wav_demuxer"
255d9c57 1843wav_demuxer_select="riffdec"
3dd5c95d
DB
1844wav_muxer_select="riffenc"
1845webm_muxer_select="riffenc"
255d9c57
DB
1846wtv_demuxer_select="riffdec"
1847xmv_demuxer_select="riffdec"
1848xwma_demuxer_select="riffdec"
4e622dea
SS
1849
1850# indevs / outdevs
38e54a75 1851alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1852alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1853bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
6fb65973
DB
1854dv1394_indev_deps="dv1394"
1855dv1394_indev_select="dv_demuxer"
c6f95144 1856fbdev_indev_deps="linux_fb_h"
a3fc62e8 1857jack_indev_deps="jack_jack_h pthreads"
e417d80d 1858libcdio_indev_deps="libcdio"
38e54a75 1859libdc1394_indev_deps="libdc1394"
38e54a75
SS
1860oss_indev_deps_any="soundcard_h sys_soundcard_h"
1861oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1862pulse_indev_deps="libpulse"
15d59d2c
B
1863sndio_indev_deps="sndio_h"
1864sndio_outdev_deps="sndio_h"
38e54a75 1865v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1866vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1867vfwcap_indev_extralibs="-lavicap32"
24f8961f 1868x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1869
912f3148 1870# protocols
acd554c1
SP
1871ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1872ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1873ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1874ffrtmphttp_protocol_deps="!librtmp_protocol"
1875ffrtmphttp_protocol_select="http_protocol"
998c1ee1 1876gopher_protocol_select="network"
c40e1757 1877httpproxy_protocol_select="tcp_protocol"
279a0c97 1878http_protocol_select="tcp_protocol"
183baead 1879https_protocol_select="tls_protocol"
c3b57d6e
DB
1880librtmp_protocol_deps="librtmp"
1881librtmpe_protocol_deps="librtmp"
1882librtmps_protocol_deps="librtmp"
1883librtmpt_protocol_deps="librtmp"
1884librtmpte_protocol_deps="librtmp"
c60a2d70 1885mmsh_protocol_select="http_protocol"
998c1ee1 1886mmst_protocol_select="network"
c3b57d6e 1887rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1888rtmp_protocol_select="tcp_protocol"
acd554c1 1889rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1890rtmps_protocol_deps="!librtmp_protocol"
1891rtmps_protocol_select="tls_protocol"
775c4d36 1892rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1893rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1894rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1895rtp_protocol_select="udp_protocol"
998c1ee1
DB
1896sctp_protocol_deps="struct_sctp_event_subscribe"
1897sctp_protocol_select="network"
0eecafc9 1898srtp_protocol_select="rtp_protocol"
998c1ee1 1899tcp_protocol_select="network"
558d192d
MS
1900tls_protocol_deps_any="openssl gnutls"
1901tls_protocol_select="tcp_protocol"
998c1ee1 1902udp_protocol_select="network"
60538758
LB
1903unix_protocol_deps="sys_un_h"
1904unix_protocol_select="network"
c08fb000 1905
6ebf0bfc 1906# filters
13fabd7a 1907blackframe_filter_deps="gpl"
ce6b6ef6 1908boxblur_filter_deps="gpl"
68b79bfc 1909cropdetect_filter_deps="gpl"
b157be1f 1910delogo_filter_deps="gpl"
a5b64584 1911drawtext_filter_deps="libfreetype"
2e5ff4d0 1912frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1913frei0r_filter_extralibs='$ldl'
a42bb9d6 1914frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1915frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1916hqdn3d_filter_deps="gpl"
3fce1367 1917interlace_filter_deps="gpl"
d371e7b9 1918resample_filter_deps="avresample"
cf69ad35 1919ocv_filter_deps="libopencv"
2f296e39 1920scale_filter_deps="swscale"
acbac567 1921yadif_filter_deps="gpl"
6ebf0bfc 1922
5a0f7131 1923# libraries
d89f2fa9
DB
1924avcodec_deps="avutil"
1925avdevice_deps="avutil avcodec avformat"
1926avfilter_deps="avutil"
1927avformat_deps="avutil avcodec"
1928avresample_deps="avutil"
1929swscale_deps="avutil"
f7679c54 1930
912f3148 1931# programs
54fd593a 1932avconv_deps="avcodec avfilter avformat avresample swscale"
bce70f81 1933avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
0a0e340f 1934 fps_filter null_filter resample_filter scale_filter
bce70f81 1935 setpts_filter trim_filter"
d173ede1 1936avplay_deps="avcodec avformat avresample swscale sdl"
266463da 1937avplay_select="rdft"
9e12f0bf 1938avprobe_deps="avcodec avformat"
406e6c0b
DB
1939avserver_deps="avformat fork !shared"
1940avserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
4d58e4cb 1941avserver_extralibs='$ldl'
a2830dca 1942
c73f65d9 1943doc_deps="texi2html"
912f3148 1944
de6d9b64 1945# default parameters
8a608357 1946
19bd477d 1947logfile="config.log"
8a608357
MR
1948
1949# installation paths
c9d19248
MR
1950prefix_default="/usr/local"
1951bindir_default='${prefix}/bin'
6291d7e4 1952datadir_default='${prefix}/share/avconv'
c9d19248
MR
1953incdir_default='${prefix}/include'
1954libdir_default='${prefix}/lib'
1955mandir_default='${prefix}/share/man'
1956shlibdir_default="$libdir_default"
8a608357
MR
1957
1958# toolchain
121d78d0 1959ar_default="ar"
13c7df3d 1960cc_default="gcc"
9da6609f 1961host_cc_default="gcc"
4ebc6a74 1962cp_f="cp -f"
b58b00ae 1963ln_s="ln -s -f"
2a8a860a 1964nm_default="nm -g"
11e6d03a 1965objformat="elf"
3f8040db 1966pkg_config_default=pkg-config
be7109c1 1967ranlib="ranlib"
11e6d03a 1968yasmexe="yasm"
8a608357 1969
3e0b1c9a 1970nogas=":"
8182dc34 1971
8a608357 1972# machine
8d4c00ed 1973arch_default=$(uname -m)
38d0a8aa 1974cpu="generic"
8a608357 1975
8a608357 1976# OS
8d4c00ed
MR
1977target_os_default=$(tolower $(uname -s))
1978host_os=$target_os_default
8a608357 1979
8a608357 1980# configurable options
d89f2fa9 1981enable $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 1982
3e0b1c9a
DB
1983enable asm
1984enable debug
1985enable doc
8400d6b8 1986enable optimizations
8cfbbd92 1987enable safe_bitstream_reader
530dc538 1988enable static
a9ddb5b1 1989enable swscale_alpha
8a608357 1990
2e2ec667
DB
1991# By default, enable only those hwaccels that have no external dependencies.
1992enable dxva2 vdpau
1993
8a608357 1994# build settings
9987769a 1995SHFLAGS='-shared -Wl,-soname,$$(@F)'
f3ec2d46
SG
1996LIBPREF="lib"
1997LIBSUF=".a"
c5f14466
RP
1998FULLNAME='$(NAME)$(BUILDSUF)'
1999LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
2000SLIBPREF="lib"
2001SLIBSUF=".so"
c5f14466 2002SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
2003SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2004SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 2005LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
2006SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2007SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 2008
68485d1f
MR
2009asflags_filter=echo
2010cflags_filter=echo
64933b6c
MR
2011ldflags_filter=echo
2012
23565c26 2013AS_C='-c'
bc877faf 2014AS_O='-o $@'
23565c26 2015CC_C='-c'
18031c49 2016CC_E='-E -o $@'
7e6c86e6 2017CC_O='-o $@'
a758c5e2 2018LD_O='-o $@'
8db73c61
MR
2019LD_LIB='-l%'
2020LD_PATH='-L'
23565c26 2021HOSTCC_C='-c'
a758c5e2 2022HOSTCC_O='-o $@'
095792f2 2023HOSTLD_O='-o $@'
7e6c86e6 2024
4cc4b33f
DB
2025host_cflags='-O3 -g'
2026host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
9da6609f 2027host_libs='-lm'
6c3fa06a
MR
2028host_cflags_filter=echo
2029host_ldflags_filter=echo
9da6609f 2030
9b861379 2031target_path='$(CURDIR)'
a7ada2ba 2032
a158446b
MR
2033# since the object filename is not given with the -MM flag, the compiler
2034# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
2035DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2036DEPFLAGS='-MM'
315c741d 2037
c597172e 2038# find source path
24524f36 2039if test -f configure; then
f038cf3c 2040 source_path=.
c597172e 2041else
8477f2de 2042 source_path=$(cd $(dirname "$0"); pwd)
c597172e 2043 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 2044 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
2045 test -e "$source_path/config.h" &&
2046 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
2047fi
2048
13cbe2c0 2049for v in "$@"; do
b04251c5
MR
2050 r=${v#*=}
2051 l=${v%"$r"}
2052 r=$(sh_quote "$r")
29ba0911 2053 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 2054done
c597172e 2055
73ef8980
MR
2056find_things(){
2057 thing=$1
2058 pattern=$2
2059 file=$source_path/$3
932ccf39 2060 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
2061}
2062
2063ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2064DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 2065HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
2066PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2067BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2068MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2069DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
2070OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2071INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 2072PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 2073FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 2074
54e75be4
DB
2075ALL_COMPONENTS="
2076 $BSF_LIST
2077 $DECODER_LIST
2078 $DEMUXER_LIST
2079 $ENCODER_LIST
2080 $FILTER_LIST
2081 $HWACCEL_LIST
2082 $INDEV_LIST
2083 $MUXER_LIST
2084 $OUTDEV_LIST
2085 $PARSER_LIST
2086 $PROTOCOL_LIST
2087"
2088
8469ae22
MR
2089for n in $COMPONENT_LIST; do
2090 v=$(toupper ${n%s})_LIST
2091 eval enable \$$v
2092 eval ${n}_if_any="\$$v"
2093done
2094
206a070d 2095enable $ARCH_EXT_LIST
c597172e
MR
2096
2097die_unknown(){
2098 echo "Unknown option \"$1\"."
2099 echo "See $0 --help for available options."
2100 exit 1
2101}
2102
7432e872
DB
2103print_3_columns() {
2104 cat | tr ' ' '\n' | sort | pr -r -3 -t
2105}
2106
794f8e97 2107show_list() {
bf0c4afa
RP
2108 suffix=_$1
2109 shift
7432e872 2110 echo $* | sed s/$suffix//g | print_3_columns
794f8e97
PI
2111 exit 0
2112}
2113
154caa67
MR
2114rand_list(){
2115 IFS=', '
2116 set -- $*
2117 unset IFS
2118 for thing; do
2119 comp=${thing%:*}
2120 prob=${thing#$comp}
2121 prob=${prob#:}
2122 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2123 echo "prob ${prob:-0.5}"
2124 printf '%s\n' $comp
2125 done
2126}
2127
2128do_random(){
2129 action=$1
2130 shift
2131 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2132 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2133}
2134
c597172e 2135for opt do
7483e694
DB
2136 optval="${opt#*=}"
2137 case "$opt" in
ea061af1
DB
2138 --extra-ldflags=*)
2139 add_ldflags $optval
7e9e7cc2 2140 ;;
ea061af1
DB
2141 --extra-libs=*)
2142 add_extralibs $optval
7e9e7cc2 2143 ;;
ea061af1
DB
2144 --disable-devices)
2145 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 2146 ;;
ea061af1
DB
2147 --enable-debug=*)
2148 debuglevel="$optval"
7e9e7cc2
MR
2149 ;;
2150 --disable-programs)
2151 disable $PROGRAM_LIST
2152 ;;
2153 --disable-everything)
2154 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2155 ;;
844c6852
DB
2156 --disable-all)
2157 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2158 disable $LIBRARY_LIST $PROGRAM_LIST doc
2159 ;;
7e9e7cc2
MR
2160 --enable-random|--disable-random)
2161 action=${opt%%-random}
2162 do_random ${action#--} $COMPONENT_LIST
2163 ;;
2164 --enable-random=*|--disable-random=*)
2165 action=${opt%%-random=*}
2166 do_random ${action#--} $optval
2167 ;;
2168 --enable-*=*|--disable-*=*)
2169 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2170 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2171 eval list=\$$(toupper $thing)_LIST
2172 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2173 $action $(filter "$name" $list)
2174 ;;
2175 --enable-?*|--disable-?*)
2176 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2177 if is_in $option $COMPONENT_LIST; then
2178 test $action = disable && action=unset
2179 eval $action \$$(toupper ${option%s})_LIST
2180 elif is_in $option $CMDLINE_SELECT; then
2181 $action $option
2182 else
2183 die_unknown $opt
2184 fi
2185 ;;
2186 --list-*)
2187 NAME="${opt#--list-}"
2188 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2189 NAME=${NAME%s}
2190 eval show_list $NAME \$$(toupper $NAME)_LIST
2191 ;;
2192 --help|-h) show_help
2193 ;;
2194 *)
2195 optname="${opt%%=*}"
2196 optname="${optname#--}"
2197 optname=$(echo "$optname" | sed 's/-/_/g')
2198 if is_in $optname $CMDLINE_SET; then
2199 eval $optname='$optval'
2200 elif is_in $optname $CMDLINE_APPEND; then
2201 append $optname "$optval"
2202 else
2203 die_unknown $opt
2204 fi
2205 ;;
7483e694 2206 esac
c597172e
MR
2207done
2208
bcea99bb
MR
2209disabled logging && logfile=/dev/null
2210
29ba0911 2211echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2212set >> $logfile
2213
9da6609f
MR
2214test -n "$cross_prefix" && enable cross_compile
2215
8d4c00ed
MR
2216if enabled cross_compile; then
2217 test -n "$arch" && test -n "$target_os" ||
2218 die "Must specify target arch and OS when cross-compiling"
2219fi
2220
121d78d0 2221ar_default="${cross_prefix}${ar_default}"
11e6d03a 2222cc_default="${cross_prefix}${cc_default}"
20e0ed95 2223nm_default="${cross_prefix}${nm_default}"
3f8040db 2224pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2225ranlib="${cross_prefix}${ranlib}"
adb2b908 2226
c5200f17
MR
2227sysinclude_default="${sysroot}/usr/include"
2228
aeeb782c 2229case "$toolchain" in
0fbb62a8
LB
2230 clang-asan)
2231 cc_default="clang"
19f251a2
LB
2232 add_cflags -fsanitize=address
2233 add_ldflags -fsanitize=address
0fbb62a8
LB
2234 ;;
2235 clang-tsan)
2236 cc_default="clang"
19f251a2
LB
2237 add_cflags -fsanitize=thread -pie
2238 add_ldflags -fsanitize=thread -pie
0fbb62a8 2239 ;;
0ba49d28
LB
2240 gcc-asan)
2241 cc_default="gcc"
2242 add_cflags -fsanitize=address
2243 add_ldflags -fsanitize=address
2244 ;;
2245 gcc-tsan)
2246 cc_default="gcc"
2247 add_cflags -fsanitize=thread -pie -fPIC
2248 add_ldflags -fsanitize=thread -pie -fPIC
2249 ;;
edfe609f
LB
2250 valgrind-massif)
2251 target_exec_default="valgrind"
2252 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2253 ;;
b1ee8eec
RT
2254 valgrind-memcheck)
2255 target_exec_default="valgrind"
2256 target_exec_args="--track-origins=yes --leak-check=full"
2257 ;;
aeeb782c
MR
2258 msvc)
2259 cc_default="c99wrap cl"
2260 ld_default="c99wrap link"
2261 nm_default="dumpbin -symbols"
ac3a9b51 2262 ar_default="lib"
53e8cd68 2263 target_os_default="win32"
aeeb782c 2264 ;;
322e4194
AS
2265 icl)
2266 cc_default="c99wrap -noconv icl"
2267 ld_default="c99wrap xilink"
2268 nm_default="dumpbin -symbols"
2269 ar_default="xilib"
2270 target_os_default="win32"
2271 ;;
a862c7d3
RT
2272 gcov)
2273 add_cflags -fprofile-arcs -ftest-coverage
2274 add_ldflags -fprofile-arcs -ftest-coverage
2275 ;;
aeeb782c
MR
2276 ?*)
2277 die "Unknown toolchain $toolchain"
2278 ;;
2279esac
2280
b1ee8eec 2281set_default arch cc pkg_config sysinclude target_exec target_os
9da6609f
MR
2282enabled cross_compile || host_cc_default=$cc
2283set_default host_cc
13c7df3d 2284
762f95e4
MR
2285if ! $pkg_config --version >/dev/null 2>&1; then
2286 warn "$pkg_config not found, library detection may fail."
2287 pkg_config=false
2288fi
2289
82bb3329
MR
2290exesuf() {
2291 case $1 in
53e8cd68 2292 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2293 esac
2294}
2295
2296EXESUF=$(exesuf $target_os)
2297HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2298
e4e69e0b 2299# set temporary file name
a49d42c2 2300: ${TMPDIR:=$TEMPDIR}
c51fafa1 2301: ${TMPDIR:=$TMP}
a49d42c2 2302: ${TMPDIR:=/tmp}
e4e69e0b 2303
a210bce2 2304if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2305 # simple replacement for missing mktemp
2306 # NOT SAFE FOR GENERAL USE
2307 mktemp(){
09a5c245 2308 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2309 }
2310fi
2311
2312tmpfile(){
2313 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2314 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2315 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2316 append TMPFILES $tmp
2317 eval $1=$tmp
2318}
2319
2320trap 'rm -f -- $TMPFILES' EXIT
54460a83 2321
55127e7b 2322tmpfile TMPASM .asm
3e0b1c9a
DB
2323tmpfile TMPC .c
2324tmpfile TMPE $EXESUF
2325tmpfile TMPH .h
2326tmpfile TMPO .o
2327tmpfile TMPS .S
2328tmpfile TMPSH .sh
2329tmpfile TMPV .ver
54460a83
MR
2330
2331unset -f mktemp
e4e69e0b 2332
fb3c4ffc
MR
2333chmod +x $TMPE
2334
993f2d0f
MR
2335# make sure we can execute files in $TMPDIR
2336cat > $TMPSH 2>> $logfile <<EOF
2337#! /bin/sh
2338EOF
2339chmod +x $TMPSH >> $logfile 2>&1
2340if ! $TMPSH >> $logfile 2>&1; then
2341 cat <<EOF
2342Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2343variable to another directory and make sure that it is not mounted noexec.
2344EOF
2345 die "Sanity test failed."
2346fi
993f2d0f 2347
457cc333
MR
2348ccc_flags(){
2349 for flag; do
2350 case $flag in
2351 -std=c99) echo -c99 ;;
2352 -mcpu=*) echo -arch ${flag#*=} ;;
2353 -mieee) echo -ieee ;;
2354 -O*|-fast) echo $flag ;;
2355 -fno-math-errno) echo -assume nomath_errno ;;
2356 -g) echo -g3 ;;
2357 -Wall) echo -msg_enable level2 ;;
2358 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2359 -Wl,*) echo $flag ;;
2360 -f*|-W*) ;;
2361 *) echo $flag ;;
2362 esac
2363 done
2364}
2365
14fb9d3d 2366msvc_common_flags(){
dfa559bc
RB
2367 for flag; do
2368 case $flag in
14fb9d3d
AS
2369 # In addition to specifying certain flags under the compiler
2370 # specific filters, they must be specified here as well or else the
2371 # generic catch all at the bottom will print the original flag.
2372 -Wall) ;;
2373 -std=c99) ;;
2374 # Common flags
9f4a16c5 2375 -fomit-frame-pointer) ;;
dfa559bc 2376 -g) echo -Z7 ;;
dfa559bc
RB
2377 -fno-math-errno) ;;
2378 -fno-common) ;;
2379 -fno-signed-zeros) ;;
50640977 2380 -fPIC) ;;
9f30fb5a
MS
2381 -mthumb) ;;
2382 -march=*) ;;
dfa559bc 2383 -lz) echo zlib.lib ;;
bd680c7b
DB
2384 -lavifil32) echo vfw32.lib ;;
2385 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2386 -l*) echo ${flag#-l}.lib ;;
2387 *) echo $flag ;;
2388 esac
2389 done
2390}
2391
14fb9d3d
AS
2392msvc_flags(){
2393 msvc_common_flags "$@"
2394 for flag; do
2395 case $flag in
ace87c19 2396 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
14fb9d3d
AS
2397 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2398 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2399 -wd4996 -wd4273 ;;
2400 esac
2401 done
2402}
2403
2404icl_flags(){
2405 msvc_common_flags "$@"
2406 for flag; do
2407 case $flag in
2408 # Despite what Intel's documentation says -Wall, which is supported
2409 # on Windows, does enable remarks so disable them here.
2410 -Wall) echo $flag -Qdiag-disable:remark ;;
2411 -std=c99) echo -Qstd=c99 ;;
2412 esac
2413 done
2414}
2415
d0c6d424
MR
2416pgi_flags(){
2417 for flag; do
2418 case $flag in
643933f5 2419 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2420 -fomit-frame-pointer) echo -Mnoframe ;;
2421 -g) echo -gopt ;;
2422 *) echo $flag ;;
2423 esac
2424 done
2425}
2426
2427suncc_flags(){
2428 for flag; do
2429 case $flag in
2430 -march=*|-mcpu=*)
2431 case "${flag#*=}" in
2432 native) echo -xtarget=native ;;
2433 v9|niagara) echo -xarch=sparc ;;
2434 ultrasparc) echo -xarch=sparcvis ;;
2435 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2436 i586|pentium) echo -xchip=pentium ;;
2437 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2438 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2439 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2440 pentium4*) echo -xtarget=pentium4 ;;
2441 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2442 *-sse3) echo -xarch=sse3 ;;
2443 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2444 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2445 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2446 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
ace87c19 2447 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
d0c6d424 2448 k8|opteron|athlon64|athlon-fx)
ace87c19
DB
2449 echo -xarch=sse2a ;;
2450 athlon*) echo -xarch=pentium_proa ;;
d0c6d424
MR
2451 esac
2452 ;;
2453 -std=c99) echo -xc99 ;;
2454 -fomit-frame-pointer) echo -xregs=frameptr ;;
2455 -fPIC) echo -KPIC -xcode=pic32 ;;
2456 -W*,*) echo $flag ;;
5e753ed5
SM
2457 -f*-*|-W*|-mimpure-text) ;;
2458 -shared) echo -G ;;
d0c6d424
MR
2459 *) echo $flag ;;
2460 esac
2461 done
2462}
2463
2464tms470_flags(){
2465 for flag; do
2466 case $flag in
2467 -march=*|-mcpu=*)
2468 case "${flag#*=}" in
2469 armv7-a|cortex-a*) echo -mv=7a8 ;;
2470 armv7-r|cortex-r*) echo -mv=7r4 ;;
2471 armv7-m|cortex-m*) echo -mv=7m3 ;;
2472 armv6*|arm11*) echo -mv=6 ;;
2473 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2474 echo -mv=5e ;;
2475 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2476 esac
2477 ;;
2478 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2479 -mfpu=vfp) echo --float_support=vfpv2 ;;
2480 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2481 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2482 -msoft-float) echo --float_support=vfplib ;;
2483 -O[0-3]|-mf=*) echo $flag ;;
2484 -g) echo -g -mn ;;
2485 -pds=*) echo $flag ;;
ad93dccb
MR
2486 -D*|-I*) echo $flag ;;
2487 --gcc|--abi=*) echo $flag ;;
2488 -me) echo $flag ;;
d0c6d424
MR
2489 esac
2490 done
2491}
2492
a758c5e2
MR
2493probe_cc(){
2494 pfx=$1
2495 _cc=$2
2496
8db73c61
MR
2497 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2498 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2499 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2500 _flags_filter=echo
2501
2502 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2503 _type=llvm_gcc
2504 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2505 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2506 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2507 _cflags_speed='-O3'
2508 _cflags_size='-Os'
2509 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2510 _type=gcc
2511 gcc_version=$($_cc --version | head -n1)
2512 gcc_basever=$($_cc -dumpversion)
2513 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2514 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2515 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2516 if ! $_cc -dumpversion | grep -q '^2\.'; then
2517 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2518 fi
2519 _cflags_speed='-O3'
2520 _cflags_size='-Os'
b2d688ea 2521 elif $_cc --version 2>/dev/null | grep -q ^icc; then
a758c5e2
MR
2522 _type=icc
2523 _ident=$($_cc --version | head -n1)
2524 _depflags='-MMD'
2525 _cflags_speed='-O3'
2526 _cflags_size='-Os'
2527 _cflags_noopt='-O1'
2528 elif $_cc -v 2>&1 | grep -q xlc; then
2529 _type=xlc
2530 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2531 _cflags_speed='-O5'
2532 _cflags_size='-O5 -qcompact'
2533 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2534 _type=ccc
2535 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2536 _DEPFLAGS='-M'
a758c5e2
MR
2537 _cflags_speed='-fast'
2538 _cflags_size='-O1'
457cc333 2539 _flags_filter=ccc_flags
a758c5e2
MR
2540 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2541 test -d "$sysroot" || die "No valid sysroot specified."
2542 _type=armcc
2543 _ident=$($_cc --vsn | head -n1)
2544 armcc_conf="$PWD/armcc.conf"
2545 $_cc --arm_linux_configure \
2546 --arm_linux_config_file="$armcc_conf" \
2547 --configure_sysroot="$sysroot" \
2548 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2549 die "Error creating armcc configuration file."
2550 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2551 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2552 as_default="${cross_prefix}gcc"
2553 _depflags='-MMD'
2554 _cflags_speed='-O3'
2555 _cflags_size='-Os'
0122118e 2556 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2557 _type=tms470
2558 _ident=$($_cc -version | head -n1 | tr -s ' ')
2559 _flags='--gcc --abi=eabi -me'
18031c49 2560 _cc_e='-ppl -fe=$@'
a758c5e2 2561 _cc_o='-fe=$@'
a758c5e2
MR
2562 _depflags='-ppa -ppd=$(@:.o=.d)'
2563 _cflags_speed='-O3 -mf=5'
2564 _cflags_size='-O3 -mf=2'
2565 _flags_filter=tms470_flags
2566 elif $_cc -v 2>&1 | grep -q clang; then
2567 _type=clang
2568 _ident=$($_cc --version | head -n1)
2569 _depflags='-MMD'
2570 _cflags_speed='-O3'
2571 _cflags_size='-Os'
2572 elif $_cc -V 2>&1 | grep -q Sun; then
2573 _type=suncc
2574 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2575 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2576 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2577 _ldflags='-std=c99'
2578 _cflags_speed='-O5'
2579 _cflags_size='-O5 -xspace'
2580 _flags_filter=suncc_flags
2581 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2582 _type=pathscale
2583 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2584 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2585 _cflags_speed='-O2'
2586 _cflags_size='-Os'
2587 _flags_filter='filter_out -Wdisabled-optimization'
2588 elif $_cc -v 2>&1 | grep -q Open64; then
2589 _type=open64
2590 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2591 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2592 _cflags_speed='-O2'
2593 _cflags_size='-Os'
2594 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2595 elif $_cc -V 2>&1 | grep -q Portland; then
2596 _type=pgi
2597 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2598 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2599 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2600 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2601 _cflags_noopt="-O1"
2602 _flags_filter=pgi_flags
dfa559bc
RB
2603 elif $_cc 2>&1 | grep -q Microsoft; then
2604 _type=msvc
2605 _ident=$($cc 2>&1 | head -n1)
2606 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2607 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2608 _cflags_speed="-O2"
2609 _cflags_size="-O1"
ace87c19
DB
2610 # Nonstandard output options, to avoid msys path conversion issues.
2611 # Relies on wrapper to remap it.
dfa559bc
RB
2612 if $_cc 2>&1 | grep -q Linker; then
2613 _ld_o='-out $@'
2614 else
2615 _ld_o='-Fe$@'
2616 fi
2617 _cc_o='-Fo $@'
a224b2cb 2618 _cc_e='-P -Fi $@'
dfa559bc
RB
2619 _flags_filter=msvc_flags
2620 _ld_lib='lib%.a'
2621 _ld_path='-libpath:'
2622 _flags='-nologo'
2623 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2624 if [ $pfx = hostcc ]; then
6a0200f2 2625 append _cflags -Dsnprintf=_snprintf
dfa559bc 2626 fi
322e4194
AS
2627 elif $_cc 2>&1 | grep -q Intel; then
2628 _type=icl
2629 _ident=$($cc 2>&1 | head -n1)
2630 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
ace87c19
DB
2631 # Not only is O3 broken on 13.x+ but it is slower on all previous
2632 # versions (tested) as well.
322e4194
AS
2633 _cflags_speed="-O2"
2634 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
ace87c19
DB
2635 # Nonstandard output options, to avoid msys path conversion issues.
2636 # Relies on wrapper to remap it.
322e4194
AS
2637 if $_cc 2>&1 | grep -q Linker; then
2638 _ld_o='-out $@'
2639 else
2640 _ld_o='-Fe$@'
2641 fi
2642 _cc_o='-Fo $@'
2643 _cc_e='-P'
14fb9d3d 2644 _flags_filter=icl_flags
322e4194
AS
2645 _ld_lib='lib%.a'
2646 _ld_path='-libpath:'
ace87c19 2647 # -Qdiag-error to make icl error when seeing certain unknown arguments
60f09c04 2648 _flags='-nologo -Qdiag-error:4044,10157'
ace87c19
DB
2649 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2650 # with MSVC which enables it by default.
e0d6e2fc 2651 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
322e4194
AS
2652 if [ $pfx = hostcc ]; then
2653 append _cflags -Dsnprintf=_snprintf
2654 fi
aef6bd1b 2655 fi
a758c5e2
MR
2656
2657 eval ${pfx}_type=\$_type
2658 eval ${pfx}_ident=\$_ident
2659}
2660
2661set_ccvars(){
23565c26 2662 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2663 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2664 eval ${1}_O=\${_cc_o-\${${1}_O}}
2665
2666 if [ -n "$_depflags" ]; then
2667 eval ${1}_DEPFLAGS=\$_depflags
2668 else
2669 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2670 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2671 eval DEP${1}FLAGS=\$_flags
2672 fi
2673}
2674
2675probe_cc cc "$cc"
2676cflags_filter=$_flags_filter
2677cflags_speed=$_cflags_speed
2678cflags_size=$_cflags_size
2679cflags_noopt=$_cflags_noopt
2680add_cflags $_flags $_cflags
2681cc_ldflags=$_ldflags
2682set_ccvars CC
2683
2684probe_cc hostcc "$host_cc"
2685host_cflags_filter=$_flags_filter
a758c5e2 2686add_host_cflags $_flags $_cflags
a758c5e2 2687set_ccvars HOSTCC
629687f6 2688
851ffa80
MR
2689test -n "$cc_type" && enable $cc_type ||
2690 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2691
75bafbac 2692: ${as_default:=$cc}
50567afa 2693: ${dep_cc_default:=$cc}
684b28e0 2694: ${ld_default:=$cc}
095792f2
MR
2695: ${host_ld_default:=$host_cc}
2696set_default ar as dep_cc ld host_ld
75800dce 2697
a758c5e2
MR
2698probe_cc as "$as"
2699asflags_filter=$_flags_filter
2700add_asflags $_flags $_cflags
2701set_ccvars AS
2702
2703probe_cc ld "$ld"
2704ldflags_filter=$_flags_filter
2705add_ldflags $_flags $_ldflags
2706test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2707LD_O=${_ld_o-$LD_O}
8db73c61
MR
2708LD_LIB=${_ld_lib-$LD_LIB}
2709LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2710
095792f2
MR
2711probe_cc hostld "$host_ld"
2712host_ldflags_filter=$_flags_filter
2713add_host_ldflags $_flags $_ldflags
2714HOSTLD_O=${_ld_o-$HOSTLD_O}
2715
a758c5e2
MR
2716if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2717 probe_cc depcc "$dep_cc"
2718 CCDEP=${_DEPCMD:-$DEPCMD}
2719 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2720 DEPCCFLAGS=$_flags
2721fi
07dec06e 2722
3dbc777c
MR
2723if $ar 2>&1 | grep -q Microsoft; then
2724 arflags="-nologo"
2725 ar_o='-out:$@'
2726elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2727 arflags="rq"
2728 ar_o='$@'
4822ee3c
DB
2729elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
2730 arflags='-Xany -r -c'
2731 ar_o='$@'
3dbc777c
MR
2732else
2733 arflags="rc"
2734 ar_o='$@'
2735fi
2736
7f32f40c 2737add_cflags $extra_cflags
2f2e6c7c 2738add_asflags $extra_cflags
7f32f40c 2739
154d432c
MR
2740if test -n "$sysroot"; then
2741 case "$cc_type" in
00ba041c 2742 gcc|llvm_gcc|clang)
467256f2 2743 add_cppflags --sysroot="$sysroot"
154d432c
MR
2744 add_ldflags --sysroot="$sysroot"
2745 ;;
6fec122a
MR
2746 tms470)
2747 add_cppflags -I"$sysinclude"
2748 add_ldflags --sysroot="$sysroot"
2749 ;;
154d432c
MR
2750 esac
2751fi
2752
d22c13a8 2753if test "$cpu" = host; then
ace87c19
DB
2754 enabled cross_compile &&
2755 die "--cpu=host makes no sense when cross-compiling."
d22c13a8
MR
2756
2757 case "$cc_type" in
613a4e3f 2758 gcc|llvm_gcc)
d22c13a8
MR
2759 check_native(){
2760 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2761 sed -n "/cc1.*$1=/{
27ce1be8
MR
2762 s/.*$1=\\([^ ]*\\).*/\\1/
2763 p
2764 q
2765 }" $TMPE
d22c13a8
MR
2766 }
2767 cpu=$(check_native -march || check_native -mcpu)
2768 ;;
2769 esac
2770
ace87c19
DB
2771 test "${cpu:-host}" = host &&
2772 die "--cpu=host not supported with compiler $cc"
d22c13a8
MR
2773fi
2774
e939cedd
MR
2775# Deal with common $arch aliases
2776case "$arch" in
5873b623
MR
2777 aarch64|arm64)
2778 arch="aarch64"
2779 ;;
e939cedd
MR
2780 arm*)
2781 arch="arm"
2782 ;;
2acda282 2783 mips*|IP*)
e939cedd
MR
2784 arch="mips"
2785 ;;
a6e9d649 2786 parisc*|hppa*)
e939cedd
MR
2787 arch="parisc"
2788 ;;
56203596 2789 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2790 arch="ppc"
2791 ;;
e939cedd
MR
2792 s390|s390x)
2793 arch="s390"
2794 ;;
2795 sh4|sh)
2796 arch="sh4"
2797 ;;
4cd217c0 2798 sun4u|sparc*)
e939cedd 2799 arch="sparc"
e939cedd 2800 ;;
c75848cd
DB
2801 tilegx|tile-gx)
2802 arch="tilegx"
2803 ;;
d33ed7b3 2804 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2805 arch="x86"
2806 ;;
2807esac
2808
851ffa80 2809is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2810enable $arch
e939cedd 2811
df5cdc24 2812# Add processor-specific flags
9ebd45c2 2813if enabled aarch64; then
33db40f8
MR
2814
2815 case $cpu in
2816 armv*)
2817 cpuflags="-march=$cpu"
2818 ;;
2819 *)
2820 cpuflags="-mcpu=$cpu"
2821 ;;
2822 esac
2823
2824elif enabled alpha; then
2825
2826 cpuflags="-mcpu=$cpu"
2827
2828elif enabled arm; then
2829
1234c66a
MR
2830 check_arm_arch() {
2831 check_cpp_condition stddef.h \
2832 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2833 $cpuflags
2834 }
2835
2836 probe_arm_arch() {
2837 if check_arm_arch 4; then echo armv4;
2838 elif check_arm_arch 4T; then echo armv4t;
2839 elif check_arm_arch 5; then echo armv5;
2840 elif check_arm_arch 5E; then echo armv5e;
2841 elif check_arm_arch 5T; then echo armv5t;
2842 elif check_arm_arch 5TE; then echo armv5te;
2843 elif check_arm_arch 5TEJ; then echo armv5te;
2844 elif check_arm_arch 6; then echo armv6;
2845 elif check_arm_arch 6J; then echo armv6j;
2846 elif check_arm_arch 6K; then echo armv6k;
2847 elif check_arm_arch 6Z; then echo armv6z;
2848 elif check_arm_arch 6ZK; then echo armv6zk;
2849 elif check_arm_arch 6T2; then echo armv6t2;
2850 elif check_arm_arch 7; then echo armv7;
2851 elif check_arm_arch 7A 7_A; then echo armv7-a;
2852 elif check_arm_arch 7R 7_R; then echo armv7-r;
2853 elif check_arm_arch 7M 7_M; then echo armv7-m;
2854 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2855 elif check_arm_arch 8A 8_A; then echo armv8-a;
2856 fi
2857 }
2858
2859 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2860
33db40f8
MR
2861 case $cpu in
2862 armv*)
2863 cpuflags="-march=$cpu"
2864 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2865 ;;
2866 *)
2867 cpuflags="-mcpu=$cpu"
2868 case $cpu in
2869 cortex-a*) subarch=armv7a ;;
2870 cortex-r*) subarch=armv7r ;;
2871 cortex-m*) enable thumb; subarch=armv7m ;;
2872 arm11*) subarch=armv6 ;;
2873 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2874 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 2875 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
2876 esac
2877 ;;
2878 esac
2879
f0fe245b
MR
2880 case "$subarch" in
2881 armv5t*) enable fast_clz ;;
2882 armv[6-8]*) enable fast_clz fast_unaligned ;;
2883 esac
2884
33db40f8
MR
2885elif enabled avr32; then
2886
2887 case $cpu in
2888 ap7[02]0[0-2])
2889 subarch="avr32_ap"
2890 cpuflags="-mpart=$cpu"
2891 ;;
2892 ap)
2893 subarch="avr32_ap"
2894 cpuflags="-march=$cpu"
2895 ;;
2896 uc3[ab]*)
2897 subarch="avr32_uc"
2898 cpuflags="-mcpu=$cpu"
2899 ;;
2900 uc)
2901 subarch="avr32_uc"
2902 cpuflags="-march=$cpu"
2903 ;;
2904 esac
2905
2906elif enabled bfin; then
2907
2908 cpuflags="-mcpu=$cpu"
2909
2910elif enabled mips; then
2911
2912 cpuflags="-march=$cpu"
2913
5d54c126 2914elif enabled ppc; then
343aef9b 2915
56348891
MR
2916 case $(tolower $cpu) in
2917 601|ppc601|powerpc601)
9dbd5c3d 2918 cpuflags="-mcpu=601"
64ad53ff 2919 disable altivec
9dbd5c3d 2920 ;;
56348891 2921 603*|ppc603*|powerpc603*)
9dbd5c3d 2922 cpuflags="-mcpu=603"
64ad53ff 2923 disable altivec
9dbd5c3d 2924 ;;
56348891 2925 604*|ppc604*|powerpc604*)
9dbd5c3d 2926 cpuflags="-mcpu=604"
64ad53ff 2927 disable altivec
9dbd5c3d 2928 ;;
56348891 2929 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 2930 cpuflags="-mcpu=750"
64ad53ff 2931 disable altivec
9dbd5c3d 2932 ;;
56348891 2933 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 2934 cpuflags="-mcpu=7450"
9dbd5c3d 2935 ;;
56348891 2936 74*|ppc74*|powerpc74*)
7f1fcaf0 2937 cpuflags="-mcpu=7400"
9dbd5c3d 2938 ;;
313f9fbf 2939 g5|970|ppc970|powerpc970)
7f1fcaf0 2940 cpuflags="-mcpu=970"
9dbd5c3d 2941 ;;
313f9fbf 2942 power[3-7]*)
7f1fcaf0 2943 cpuflags="-mcpu=$cpu"
313f9fbf 2944 ;;
56348891 2945 cell)
9dbd5c3d
MR
2946 cpuflags="-mcpu=cell"
2947 enable ldbrx
2948 ;;
4ab26cb4
DB
2949 e500mc)
2950 cpuflags="-mcpu=e500mc"
2951 disable altivec
2952 ;;
7b0b81a1
AL
2953 e500v2)
2954 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2955 disable altivec
2956 ;;
2957 e500)
2958 cpuflags="-mcpu=8540 -mhard-float"
2959 disable altivec
2960 ;;
9dbd5c3d 2961 esac
343aef9b 2962
33db40f8
MR
2963elif enabled sparc; then
2964
2965 case $cpu in
2966 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2967 cpuflags="-mcpu=$cpu"
2968 disable vis
2969 ;;
2970 ultrasparc*|niagara[234])
2971 cpuflags="-mcpu=$cpu"
2972 ;;
2973 esac
2974
343aef9b
MR
2975elif enabled x86; then
2976
9dbd5c3d
MR
2977 case $cpu in
2978 i[345]86|pentium)
2979 cpuflags="-march=$cpu"
2980 disable mmx
2981 ;;
f54b5505 2982 # targets that do NOT support nopl and conditional mov (cmov)
9dbd5c3d
MR
2983 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2984 cpuflags="-march=$cpu"
f54b5505 2985 disable i686
9dbd5c3d 2986 ;;
f54b5505 2987 # targets that do support nopl and conditional mov (cmov)
f2ce813e 2988 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d 2989 cpuflags="-march=$cpu"
f54b5505 2990 enable i686
9dbd5c3d
MR
2991 enable fast_cmov
2992 ;;
2993 # targets that do support conditional mov but on which it's slow
2994 pentium4|pentium4m|prescott|nocona)
2995 cpuflags="-march=$cpu"
f54b5505 2996 enable i686
9dbd5c3d
MR
2997 disable fast_cmov
2998 ;;
2999 esac
343aef9b 3000
343aef9b
MR
3001fi
3002
9ebd45c2
MR
3003if [ "$cpu" != generic ]; then
3004 add_cflags $cpuflags
3005 add_asflags $cpuflags
3006fi
df5cdc24 3007
993f2d0f
MR
3008# compiler sanity check
3009check_exec <<EOF
3010int main(void){ return 0; }
3011EOF
3012if test "$?" != 0; then
3013 echo "$cc is unable to create an executable file."
3014 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3015 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3016 echo "Only do this if you know what cross compiling means."
3017 fi
3018 die "C compiler test failed."
3019fi
3020
046f081b 3021add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 3022check_cflags -std=c99
50a334e4 3023check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
3024#include <stdlib.h>
3025EOF
50a334e4 3026check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
3027#include <stdlib.h>
3028EOF
e9b9a2f8 3029
f0125de9 3030check_host_cflags -std=c99
0a6db2a2 3031check_host_cflags -Wall
f0125de9 3032
d4c99513
MR
3033check_64bit(){
3034 arch32=$1
3035 arch64=$2
3036 expr=$3
3037 check_code cc "" "int test[2*($expr) - 1]" &&
3038 subarch=$arch64 || subarch=$arch32
3039}
3040
b24dbcbd 3041case "$arch" in
d11cb13b 3042 aarch64|alpha|ia64)
2acda282
MR
3043 spic=$shared
3044 ;;
3045 mips)
3046 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 3047 spic=$shared
b24dbcbd 3048 ;;
a6e9d649
MR
3049 parisc)
3050 check_64bit parisc parisc64 'sizeof(void *) > 4'
3051 spic=$shared
3052 ;;
56203596
MR
3053 ppc)
3054 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 3055 spic=$shared
56203596 3056 ;;
4cd217c0
MR
3057 sparc)
3058 check_64bit sparc sparc64 'sizeof(void *) > 4'
3059 spic=$shared
3060 ;;
e939cedd 3061 x86)
d4c99513 3062 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 3063 if test "$subarch" = "x86_64"; then
e939cedd 3064 spic=$shared
de27f4d9 3065 fi
b24dbcbd 3066 ;;
b24dbcbd
RP
3067esac
3068
343aef9b 3069enable $subarch
b1803c79 3070enabled spic && enable_weak pic
b24dbcbd 3071
7483e694 3072# OS specific
4f854758 3073case $target_os in
d3635f3a 3074 aix)
80ade798 3075 SHFLAGS=-shared
d3635f3a 3076 add_cppflags '-I\$(SRC_PATH)/compat/aix'
80ade798 3077 enabled shared && add_ldflags -Wl,-brtl
d3635f3a 3078 ;;
a1629e28 3079 haiku)
63ae7e7c 3080 prefix_default="/boot/common"
108caaaa 3081 network_extralibs="-lnetwork"
f59c4bd6 3082 host_libs=
a1629e28 3083 ;;
7483e694 3084 sunos)
9987769a 3085 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 3086 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 3087 network_extralibs="-lsocket -lnsl"
779222db 3088 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
3089 # When using suncc to build, the Solaris linker will mark
3090 # an executable with each instruction set encountered by
3091 # the Solaris assembler. As our libraries contain their own
3092 # guards for processor-specific code, instead suppress
3093 # generation of the HWCAPS ELF section on Solaris x86 only.
ace87c19
DB
3094 enabled_all suncc x86 &&
3095 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3096 add_ldflags -Wl,-M,mapfile
2a8a860a 3097 nm_default='nm -P -g'
7483e694
DB
3098 ;;
3099 netbsd)
a1e4b3f6 3100 disable symver
07a8eef6
MR
3101 oss_indev_extralibs="-lossaudio"
3102 oss_outdev_extralibs="-lossaudio"
7483e694 3103 ;;
d488c3bc 3104 openbsd|bitrig)
a1e4b3f6 3105 disable symver
7483e694 3106 SHFLAGS='-shared'
69dca3a4 3107 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
d5683aba 3108 SLIB_INSTALL_LINKS=
07a8eef6
MR
3109 oss_indev_extralibs="-lossaudio"
3110 oss_outdev_extralibs="-lossaudio"
7483e694 3111 ;;
a1e4b3f6 3112 dragonfly)
a1e4b3f6
MR
3113 disable symver
3114 ;;
3115 freebsd)
7483e694
DB
3116 ;;
3117 bsd/os)
355d81df 3118 add_extralibs -lpoll -lgnugetopt
7483e694
DB
3119 ;;
3120 darwin)
301ab19d 3121 gas="gas-preprocessor.pl $cc"
e08b8239 3122 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 3123 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 3124 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 3125 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
3126 SLIBSUF=".dylib"
3127 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3128 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
304d586d 3129 objformat="macho"
1b0f6fb8 3130 enabled x86_64 && objformat="macho64"
8dfa86f7 3131 enabled_any pic shared ||
2704bd1a 3132 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
3133 ;;
3134 mingw32*)
9d3f4f50 3135 if test $target_os = "mingw32ce"; then
1aa71e25
MS
3136 disable network
3137 else
3138 target_os=mingw32
3139 fi
dcc01c06 3140 LIBTARGET=i386
1fc9fb8a 3141 if enabled x86_64; then
417516f6 3142 LIBTARGET="i386:x86-64"
336cc1b0 3143 elif enabled arm; then
15c5156d 3144 LIBTARGET=arm-wince
dcc01c06 3145 fi
225a5f91
AS
3146 check_ldflags -Wl,--nxcompat
3147 check_ldflags -Wl,--dynamicbase
fbd971a4 3148 shlibdir_default="$bindir_default"
7483e694
DB
3149 SLIBPREF=""
3150 SLIBSUF=".dll"
7483e694
DB
3151 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3152 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
eb7018d2 3153 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2f138f0b
MR
3154 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3155 SLIB_INSTALL_LINKS=
3156 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3157 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
eb7018d2 3158 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 3159 objformat="win32"
ec10a9ab 3160 dlltool="${cross_prefix}dlltool"
a3222470 3161 ranlib=:
bc574408 3162 enable dos_paths
7483e694 3163 ;;
53e8cd68 3164 win32|win64)
d66c52c2
MS
3165 if enabled shared; then
3166 # Link to the import library instead of the normal static library
3167 # for shared libs.
3168 LD_LIB='%.lib'
ace87c19 3169 # Cannot build shared and static libs at the same time with MSVC.
d66c52c2
MS
3170 disable static
3171 fi
3172 shlibdir_default="$bindir_default"
3173 SLIBPREF=""
3174 SLIBSUF=".dll"
3175 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3176 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3177 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3178 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3179 SLIB_INSTALL_LINKS=
3180 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3181 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3182 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
53e8cd68
MS
3183 objformat="win32"
3184 ranlib=:
3185 enable dos_paths
3186 ;;
7483e694 3187 cygwin*)
4f854758 3188 target_os=cygwin
fbd971a4 3189 shlibdir_default="$bindir_default"
7483e694
DB
3190 SLIBPREF="cyg"
3191 SLIBSUF=".dll"
3192 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3193 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
3194 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3195 SLIB_INSTALL_LINKS=
3196 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3197 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 3198 objformat="win32"
bc574408 3199 enable dos_paths
7483e694 3200 ;;
4f365f37 3201 *-dos|freedos|opendos)
4f365f37 3202 network_extralibs="-lsocket"
ff1c015d 3203 objformat="coff"
bc574408 3204 enable dos_paths
a7a187a1 3205 add_cppflags -U__STRICT_ANSI__
4f365f37 3206 ;;
7483e694 3207 linux)
7483e694
DB
3208 enable dv1394
3209 ;;
3210 irix*)
4f854758 3211 target_os=irix
7483e694
DB
3212 ranlib="echo ignoring ranlib"
3213 ;;
d22e8442 3214 os/2*)
d22e8442 3215 ln_s="cp -f"
9297f1ed 3216 objformat="aout"
e14574eb 3217 add_cppflags -D_GNU_SOURCE
355d81df 3218 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 3219 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
287d3b13 3220 LIBSUF="_s.a"
d22e8442
DY
3221 SLIBPREF=""
3222 SLIBSUF=".dll"
3223 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3224 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62 3225 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
f69f51b3
DB
3226 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3227 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3228 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3229 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3230 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
71c61f62 3231 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
f69f51b3 3232 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 3233 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 3234 enable dos_paths
d22e8442 3235 ;;
83993c1c 3236 gnu/kfreebsd)
3bd1eacd 3237 add_cppflags -D_BSD_SOURCE
83993c1c 3238 ;;
34e82167 3239 gnu)
34e82167 3240 ;;
d33ed7b3
MR
3241 qnx)
3242 add_cppflags -D_QNX_SOURCE
3243 network_extralibs="-lsocket"
3244 ;;
1c69c79f
MS
3245 symbian)
3246 SLIBSUF=".dll"
3247 enable dos_paths
e3bc07f4
MS
3248 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3249 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3250 add_ldflags -Wl,--target1-abs,--no-undefined \
3251 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3252 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3253 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3254 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3255 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 3256 ;;
fdd66609
MR
3257 osf1)
3258 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
fdd66609 3259 ;;
741a8b72
MR
3260 minix)
3261 ;;
4ebc6a74
MR
3262 plan9)
3263 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3264 -D_REENTRANT_SOURCE \
3265 -D_RESEARCH_SOURCE \
3266 -DFD_SETSIZE=96 \
3267 -DHAVE_SOCK_OPTS
3268 add_compat strtod.o strtod=avpriv_strtod
3269 network_extralibs='-lbsd'
3270 exeobjs=compat/plan9/main.o
3271 disable avserver
4ebc6a74
MR
3272 cp_f='cp'
3273 ;;
614d8911
MR
3274 none)
3275 ;;
7483e694 3276 *)
4f924f9a 3277 die "Unknown OS '$target_os'."
7483e694
DB
3278 ;;
3279esac
3280
b797f3c4
MR
3281# determine libc flavour
3282
197252f1 3283# uclibc defines __GLIBC__, so it needs to be checked before glibc.
b797f3c4
MR
3284if check_cpp_condition features.h "defined __UCLIBC__"; then
3285 libc_type=uclibc
3bd1eacd 3286 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3287elif check_cpp_condition features.h "defined __GLIBC__"; then
3288 libc_type=glibc
3bd1eacd 3289 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
29f1fa74
DB
3290# MinGW headers can be installed on Cygwin, so check for newlib first.
3291elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3292 libc_type=newlib
3293 add_cppflags -U__STRICT_ANSI__
b797f3c4
MR
3294elif check_header _mingw.h; then
3295 libc_type=mingw
3296 check_cpp_condition _mingw.h \
3297 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3298 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3299 die "ERROR: MinGW runtime version must be >= 3.15."
759a3a21 3300 add_cppflags -U__STRICT_ANSI__
4fa661a8
RB
3301elif check_func_headers stdlib.h _get_doserrno; then
3302 libc_type=msvcrt
84e65c76
MR
3303 add_compat strtod.o strtod=avpriv_strtod
3304 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3305 _snprintf=avpriv_snprintf \
3306 vsnprintf=avpriv_vsnprintf
0b6899f1
MS
3307 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3308 # 0x601 by default unless something else is set by the user.
3309 # This can easily lead to us detecting functions only present
3310 # in such new versions and producing binaries requiring windows 7.0.
3311 # Therefore explicitly set the default to XP unless the user has
3312 # set something else on the command line.
3313 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
b797f3c4
MR
3314elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3315 libc_type=klibc
5b2b0b91
MS
3316elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3317 libc_type=bionic