3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
98 Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
105 --disable-all disable building components, libraries and programs
106 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
107 --enable-incompatible-fork-abi enable incompatible Libav fork ABI (deprecated) [no]
110 --disable-programs do not build command line programs
111 --disable-ffmpeg disable ffmpeg build
112 --disable-ffplay disable ffplay build
113 --disable-ffprobe disable ffprobe build
114 --disable-ffserver disable ffserver build
116 Documentation options:
117 --disable-doc do not build documentation
118 --disable-htmlpages do not build HTML documentation pages
119 --disable-manpages do not build man documentation pages
120 --disable-podpages do not build POD documentation pages
121 --disable-txtpages do not build text documentation pages
124 --disable-avdevice disable libavdevice build
125 --disable-avcodec disable libavcodec build
126 --disable-avformat disable libavformat build
127 --disable-avutil disable libavutil build
128 --disable-swresample disable libswresample build
129 --disable-swscale disable libswscale build
130 --disable-postproc disable libpostproc build
131 --disable-avfilter disable libavfilter build
132 --enable-avresample enable libavresample build [no]
133 --disable-pthreads disable pthreads [auto]
134 --disable-w32threads disable Win32 threads [auto]
135 --disable-os2threads disable OS/2 threads [auto]
136 --disable-network disable network support [no]
137 --disable-dct disable DCT code
138 --disable-dwt disable DWT code
139 --disable-error-resilience disable error resilience code
140 --disable-lsp disable LSP code
141 --disable-lzo disable LZO decoder code
142 --disable-mdct disable MDCT code
143 --disable-rdft disable RDFT code
144 --disable-fft disable FFT code
146 Hardware accelerators:
147 --disable-dxva2 disable DXVA2 code [autodetect]
148 --disable-vaapi disable VAAPI code [autodetect]
149 --enable-vda enable VDA code
150 --disable-vdpau disable VDPAU code [autodetect]
152 Individual component options:
153 --disable-everything disable all components listed below
154 --disable-encoder=NAME disable encoder NAME
155 --enable-encoder=NAME enable encoder NAME
156 --disable-encoders disable all encoders
157 --disable-decoder=NAME disable decoder NAME
158 --enable-decoder=NAME enable decoder NAME
159 --disable-decoders disable all decoders
160 --disable-hwaccel=NAME disable hwaccel NAME
161 --enable-hwaccel=NAME enable hwaccel NAME
162 --disable-hwaccels disable all hwaccels
163 --disable-muxer=NAME disable muxer NAME
164 --enable-muxer=NAME enable muxer NAME
165 --disable-muxers disable all muxers
166 --disable-demuxer=NAME disable demuxer NAME
167 --enable-demuxer=NAME enable demuxer NAME
168 --disable-demuxers disable all demuxers
169 --enable-parser=NAME enable parser NAME
170 --disable-parser=NAME disable parser NAME
171 --disable-parsers disable all parsers
172 --enable-bsf=NAME enable bitstream filter NAME
173 --disable-bsf=NAME disable bitstream filter NAME
174 --disable-bsfs disable all bitstream filters
175 --enable-protocol=NAME enable protocol NAME
176 --disable-protocol=NAME disable protocol NAME
177 --disable-protocols disable all protocols
178 --enable-indev=NAME enable input device NAME
179 --disable-indev=NAME disable input device NAME
180 --disable-indevs disable input devices
181 --enable-outdev=NAME enable output device NAME
182 --disable-outdev=NAME disable output device NAME
183 --disable-outdevs disable output devices
184 --disable-devices disable all devices
185 --enable-filter=NAME enable filter NAME
186 --disable-filter=NAME disable filter NAME
187 --disable-filters disable all filters
189 External library support:
190 --enable-avisynth enable reading of AviSynth script files [no]
191 --disable-bzlib disable bzlib [autodetect]
192 --enable-fontconfig enable fontconfig
193 --enable-frei0r enable frei0r video filtering
194 --enable-gnutls enable gnutls [no]
195 --disable-iconv disable iconv [autodetect]
196 --enable-ladspa enable LADSPA audio filtering
197 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
198 --enable-libass enable libass subtitles rendering [no]
199 --enable-libbluray enable BluRay reading using libbluray [no]
200 --enable-libcaca enable textual display using libcaca
201 --enable-libcelt enable CELT decoding via libcelt [no]
202 --enable-libcdio enable audio CD grabbing with libcdio
203 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
205 --enable-libfaac enable AAC encoding via libfaac [no]
206 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
207 --enable-libflite enable flite (voice synthesis) support via libflite [no]
208 --enable-libfreetype enable libfreetype [no]
209 --enable-libgme enable Game Music Emu via libgme [no]
210 --enable-libgsm enable GSM de/encoding via libgsm [no]
211 --enable-libiec61883 enable iec61883 via libiec61883 [no]
212 --enable-libilbc enable iLBC de/encoding via libilbc [no]
213 --enable-libmodplug enable ModPlug via libmodplug [no]
214 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
215 --enable-libnut enable NUT (de)muxing via libnut,
216 native (de)muxer exists [no]
217 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
218 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
219 --enable-libopencv enable video filtering via libopencv [no]
220 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
221 --enable-libopus enable Opus decoding via libopus [no]
222 --enable-libpulse enable Pulseaudio input via libpulse [no]
223 --enable-libquvi enable quvi input via libquvi [no]
224 --enable-librtmp enable RTMP[E] support via librtmp [no]
225 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
226 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
227 --enable-libsoxr enable Include libsoxr resampling [no]
228 --enable-libspeex enable Speex de/encoding via libspeex [no]
229 --enable-libssh enable SFTP protocol via libssh [no]
230 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
231 --enable-libtheora enable Theora encoding via libtheora [no]
232 --enable-libtwolame enable MP2 encoding via libtwolame [no]
233 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
234 --enable-libv4l2 enable libv4l2/v4l-utils [no]
235 --enable-libvidstab enable video stabilization using vid.stab [no]
236 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
237 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
238 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
239 native implementation exists [no]
240 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
241 --enable-libwavpack enable wavpack encoding via libwavpack [no]
242 --enable-libx264 enable H.264 encoding via x264 [no]
243 --enable-libxavs enable AVS encoding via xavs [no]
244 --enable-libxvid enable Xvid encoding via xvidcore,
245 native MPEG-4/Xvid encoder exists [no]
246 --enable-libzmq enable message passing via libzmq [no]
247 --enable-libzvbi enable teletext support via libzvbi [no]
248 --enable-openal enable OpenAL 1.1 capture support [no]
249 --enable-opencl enable OpenCL code
250 --enable-openssl enable openssl [no]
251 --enable-x11grab enable X11 grabbing [no]
252 --disable-zlib disable zlib [autodetect]
254 Advanced options (experts only):
255 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
256 --enable-cross-compile assume a cross-compiler is used
257 --sysroot=PATH root of cross-build tree
258 --sysinclude=PATH location of cross-build system headers
259 --target-os=OS compiler targets OS [$target_os]
260 --target-exec=CMD command to run executables on target
261 --target-path=DIR path to view of build directory on target
262 --target-samples=DIR path to samples directory on target
263 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
264 --toolchain=NAME set tool defaults according to NAME
265 --nm=NM use nm tool NM [$nm_default]
266 --ar=AR use archive tool AR [$ar_default]
267 --as=AS use assembler AS [$as_default]
268 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
269 --cc=CC use C compiler CC [$cc_default]
270 --cxx=CXX use C compiler CXX [$cxx_default]
271 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
272 --ld=LD use linker LD [$ld_default]
273 --host-cc=HOSTCC use host C compiler HOSTCC
274 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
275 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
276 --host-ld=HOSTLD use host linker HOSTLD
277 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
278 --host-libs=HLIBS use libs HLIBS when linking for host
279 --host-os=OS compiler host OS [$target_os]
280 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
281 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
282 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
283 --extra-libs=ELIBS add ELIBS [$ELIBS]
284 --extra-version=STRING version string suffix []
285 --optflags=OPTFLAGS override optimization-related compiler flags
286 --build-suffix=SUFFIX library name suffix []
287 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
288 --progs-suffix=SUFFIX program name suffix []
289 --arch=ARCH select architecture [$arch]
290 --cpu=CPU select the minimum required CPU (affects
291 instruction selection, may crash on older CPUs)
292 --enable-pic build position-independent code
293 --enable-sram allow use of on-chip SRAM
294 --enable-thumb compile for Thumb instruction set
295 --disable-symver disable symbol versioning
296 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
297 --disable-safe-bitstream-reader
298 disable buffer boundary checking in bitreaders
299 (faster, but may crash)
300 --enable-memalign-hack emulate memalign, interferes with memory debuggers
301 --enable-lto use link-time optimization
303 Optimization options (experts only):
304 --disable-asm disable all assembler optimizations
305 --disable-altivec disable AltiVec optimizations
306 --disable-amd3dnow disable 3DNow! optimizations
307 --disable-amd3dnowext disable 3DNow! extended optimizations
308 --disable-mmx disable MMX optimizations
309 --disable-mmxext disable MMXEXT optimizations
310 --disable-sse disable SSE optimizations
311 --disable-sse2 disable SSE2 optimizations
312 --disable-sse3 disable SSE3 optimizations
313 --disable-ssse3 disable SSSE3 optimizations
314 --disable-sse4 disable SSE4 optimizations
315 --disable-sse42 disable SSE4.2 optimizations
316 --disable-avx disable AVX optimizations
317 --disable-fma4 disable FMA4 optimizations
318 --disable-avx2 disable AVX2 optimizations
319 --disable-armv5te disable armv5te optimizations
320 --disable-armv6 disable armv6 optimizations
321 --disable-armv6t2 disable armv6t2 optimizations
322 --disable-vfp disable VFP optimizations
323 --disable-neon disable NEON optimizations
324 --disable-vis disable VIS optimizations
325 --disable-inline-asm disable use of inline assembler
326 --disable-yasm disable use of yasm assembler
327 --disable-mips32r2 disable MIPS32R2 optimizations
328 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
329 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
330 --disable-mipsfpu disable floating point MIPS optimizations
331 --disable-fast-unaligned consider unaligned accesses slow
333 Developer options (useful when working on FFmpeg itself):
334 --disable-debug disable debugging symbols
335 --enable-debug=LEVEL set the debug level [$debuglevel]
336 --disable-optimizations disable compiler optimizations
337 --enable-extra-warnings enable more compiler warnings
338 --disable-stripping disable stripping of executables and shared libraries
339 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
340 2 causes a slowdown at runtime.
341 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
342 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
343 leaks and errors, using the specified valgrind binary.
344 Cannot be combined with --target-exec
345 --enable-ftrapv Trap arithmetic overflows
346 --samples=PATH location of test samples for FATE, if not set use
347 \$FATE_SAMPLES at make invocation time.
348 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
349 should be used only for debugging purposes)
350 --enable-random randomly enable/disable components
352 --enable-random=LIST randomly enable/disable specific components or
353 --disable-random=LIST component groups. LIST is a comma-separated list
354 of NAME[:PROB] entries where NAME is a component
355 (group) and PROB the probability associated with
357 --random-seed=VALUE seed value for --enable/disable-random
359 NOTE: Object files are built at the place where configure is launched.
367 echo "$@" >> $logfile
372 pr -n -t $1 >> $logfile
383 WARNINGS="${WARNINGS}WARNING: $*\n"
390 If you think configure made a mistake, make sure you are using the latest
391 version from Git. If the latest version fails, report the problem to the
392 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
394 if disabled logging; then
396 Rerun configure with logging enabled (do not use --disable-logging), and
397 include the log this produces with your report.
401 Include the log file "$logfile" produced by configure as this will help
408 # Avoid locale weirdness, besides we really just want to translate ASCII.
410 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
414 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
418 echo "$*" | sed 's/["\\]/\\\0/g'
422 v=$(echo "$1" | sed "s/'/'\\\\''/g")
423 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
428 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
435 eval "case $v in $pat) echo $v ;; esac"
443 eval "case $v in $pat) ;; *) echo $v ;; esac"
450 for v; do eval $m; done
456 for v; do echo ${v}${suffix}; done
471 eval : \${$var:=$value}
476 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
482 eval $(sanitize_var_name "$var")='$*'
486 eval echo \$$(sanitize_var_name "$1")
491 eval level=\${${pvar}_level:=0}
492 eval ${pvar}_${level}="\$$pvar"
493 eval ${pvar}_level=$(($level+1))
499 eval level=\${${pvar}_level:-0}
500 test $level = 0 && continue
501 eval level=$(($level-1))
502 eval $pvar="\${${pvar}_${level}}"
503 eval ${pvar}_level=$level
504 eval unset ${pvar}_${level}
526 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
532 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
538 enabled $var && continue
539 eval sel="\$${var}_select"
540 eval sgs="\$${var}_suggest"
544 enable_deep_weak $sgs
556 disabled $var && continue
565 test "${1#!}" = "$1" && op== || op=!=
566 eval test "x\$${1#!}" $op "xyes"
570 test "${1#!}" = "$1" && op== || op=!=
571 eval test "x\$${1#!}" $op "xno"
576 enabled $opt || return 1
582 disabled $opt || return 1
588 enabled $opt && return 0
594 disabled $opt && return 0
601 eval : \${$opt:=\$${opt}_default}
609 [ $var = $value ] && return 0
617 enabled ${cfg}_checking && die "Circular dependency for $cfg."
618 disabled ${cfg}_checking && continue
619 enable ${cfg}_checking
622 eval dep_all="\$${cfg}_deps"
623 eval dep_any="\$${cfg}_deps_any"
624 eval dep_sel="\$${cfg}_select"
625 eval dep_sgs="\$${cfg}_suggest"
626 eval dep_ifa="\$${cfg}_if"
627 eval dep_ifn="\$${cfg}_if_any"
629 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
630 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
631 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
633 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
634 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
635 enabled_all $dep_all || disable $cfg
636 enabled_any $dep_any || disable $cfg
637 disabled_any $dep_sel && disable $cfg
639 if enabled $cfg; then
641 enable_deep_weak $dep_sgs
644 disable ${cfg}_checking
653 for cfg in $allopts; do
654 enabled $cfg || continue
655 eval dep_extralibs="\$${cfg}_extralibs"
656 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
664 map 'eval echo "$v \${$v:-no}"' "$@" |
665 awk "BEGIN { split(\"$files\", files) }
667 c = \"$pfx\" toupper(\$1);
673 if (file ~ /\\.h\$/) {
674 printf(\"#define %s %d\\n\", c, v) >>file;
675 } else if (file ~ /\\.asm\$/) {
676 printf(\"%%define %s %d\\n\", c, v) >>file;
677 } else if (file ~ /\\.mak\$/) {
678 n = -v ? \"\" : \"!\";
679 printf(\"%s%s=yes\\n\", n, c) >>file;
680 } else if (file ~ /\\.texi\$/) {
681 pre = -v ? \"\" : \"@c \";
684 gsub(/_/, \"-\", c2);
685 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
695 enabled $v && printf "%s\n" ${v%$suf};
702 eval "$var=\"\$$var $*\""
708 eval "$var=\"$* \$$var\""
716 append CFLAGS $($cflags_filter "$@")
720 append CXXFLAGS $($cflags_filter "$@")
724 append ASFLAGS $($asflags_filter "$@")
728 append LDFLAGS $($ldflags_filter "$@")
732 prepend extralibs $($ldflags_filter "$@")
736 append host_cppflags "$@"
740 append host_cflags $($host_cflags_filter "$@")
744 append host_ldflags $($host_ldflags_filter "$@")
748 append compat_objs $1
750 map 'add_cppflags -D$v' "$@"
755 "$@" >> $logfile 2>&1
759 eval printf '%s\\n' $CC_O
763 eval printf '%s\\n' $CC_E
770 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
777 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
784 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
788 eval printf '%s\\n' $AS_O
795 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
799 log check_inline_asm "$@"
804 check_cc "$@" <<EOF && enable $name
805 void foo(void){ __asm__ volatile($code); }
811 check_inline_asm ${1}_inline "\"$2\""
812 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
820 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
824 eval printf '%s\\n' $LD_O
831 flags=$(filter_out '-l*|*.so' $@)
832 libs=$(filter '-l*|*.so' $@)
833 check_$type $($cflags_filter $flags) || return
834 flags=$($ldflags_filter $flags)
835 libs=$($ldflags_filter $libs)
836 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
846 for hdr in $headers; do
847 echo "#include <$hdr>"
849 echo "int main(void) { $code; return 0; }"
850 } | check_$check "$@"
854 log check_cppflags "$@"
855 check_cc "$@" <<EOF && append CPPFLAGS "$@"
861 log check_cflags "$@"
862 set -- $($cflags_filter "$@")
863 check_cc "$@" <<EOF && append CFLAGS "$@"
869 log check_cxxflags "$@"
870 set -- $($cflags_filter "$@")
871 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
877 log test_ldflags "$@"
878 check_ld "cc" "$@" <<EOF
879 int main(void){ return 0; }
884 log check_ldflags "$@"
885 test_ldflags "$@" && add_ldflags "$@"
889 log check_header "$@"
893 check_cpp "$@" <<EOF && enable_safe $header
904 check_ld "cc" "$@" <<EOF && enable $func
906 int main(void){ $func(); }
911 log check_mathfunc "$@"
915 test $narg = 2 && args="f, g" || args="f"
917 check_ld "cc" "$@" <<EOF && enable $func
919 float foo(float f, float g) { return $func($args); }
920 int main(void){ return (int) foo; }
924 check_func_headers(){
925 log check_func_headers "$@"
930 for hdr in $headers; do
931 echo "#include <$hdr>"
933 for func in $funcs; do
934 echo "long check_$func(void) { return (long) $func; }"
936 echo "int main(void) { return 0; }"
937 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
940 check_class_headers_cpp(){
941 log check_class_headers_cpp "$@"
946 for hdr in $headers; do
947 echo "#include <$hdr>"
949 echo "int main(void) { "
951 for class in $classes; do
956 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
959 check_cpp_condition(){
960 log check_cpp_condition "$@"
967 #error "unsatisfied condition: $condition"
977 check_header $header && check_func $func "$@" && add_extralibs "$@"
985 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
989 log check_lib_cpp "$@"
993 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
997 log check_pkg_config "$@"
1002 check_cmd $pkg_config --exists --print-errors $pkg || return
1003 pkg_cflags=$($pkg_config --cflags $pkg)
1004 pkg_libs=$($pkg_config --libs $pkg)
1005 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1006 set_safe ${pkg}_cflags $pkg_cflags &&
1007 set_safe ${pkg}_libs $pkg_libs
1011 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1017 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1018 # are safe but may not be available everywhere. Thus we use
1019 # raise(SIGTERM) instead. The check is run in a subshell so we
1020 # can redirect the "Terminated" message from the shell. SIGBUS
1021 # is not defined by standard C so it is used conditionally.
1023 (check_exec "$@") >> $logfile 2>&1 <<EOF
1025 static void sighandler(int sig){
1031 int (*func_ptr)(void) = foo;
1033 signal(SIGILL, sighandler);
1034 signal(SIGFPE, sighandler);
1035 signal(SIGSEGV, sighandler);
1037 signal(SIGBUS, sighandler);
1049 disable_safe "$type"
1050 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1054 log check_struct "$@"
1059 disable_safe "${struct}_${member}"
1060 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1061 enable_safe "${struct}_${member}"
1065 log check_builtin "$@"
1071 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1079 check_lib $header $func "$@" || die "ERROR: $name not found"
1087 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1095 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1098 require_pkg_config(){
1100 check_pkg_config "$@" || die "ERROR: $pkg not found"
1101 add_cflags $(get_safe ${pkg}_cflags)
1102 add_extralibs $(get_safe ${pkg}_libs)
1106 eval printf '%s\\n' $HOSTCC_O
1110 log check_host_cc "$@"
1113 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1116 check_host_cppflags(){
1117 log check_host_cppflags "$@"
1118 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1123 check_host_cflags(){
1124 log check_host_cflags "$@"
1125 set -- $($host_cflags_filter "$@")
1126 check_host_cc "$@" <<EOF && append host_cflags "$@"
1134 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1138 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1139 mkdir -p "$(dirname $2)"
1143 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1144 # system-dependent things.
1160 EXTERNAL_LIBRARY_LIST="
1260 $EXTERNAL_LIBRARY_LIST
1273 incompatible_libav_abi
1274 incompatible_fork_abi
1285 safe_bitstream_reader
1382 incompatible_libav_abi
1383 incompatible_fork_abi
1416 $(add_suffix _external $ARCH_EXT_LIST)
1417 $(add_suffix _inline $ARCH_EXT_LIST)
1437 cdio_paranoia_paranoia_h
1445 dev_bktr_ioctl_bt848_h
1446 dev_bktr_ioctl_meteor_h
1448 dev_video_bktr_ioctl_bt848_h
1449 dev_video_meteor_ioctl_meteor_h
1465 GetProcessAffinityMask
1466 GetProcessMemoryInfo
1468 GetSystemTimeAsFileTime
1480 jack_port_get_latency_range
1490 machine_ioctl_bt848_h
1491 machine_ioctl_meteor_h
1504 openjpeg_1_5_openjpeg_h
1517 SetConsoleTextAttribute
1526 struct_group_source_req
1527 struct_ip_mreq_source
1530 struct_rusage_ru_maxrss
1531 struct_sctp_event_subscribe
1533 struct_sockaddr_sa_len
1534 struct_sockaddr_storage
1535 struct_stat_st_mtim_tv_nsec
1536 struct_v4l2_frmivalenum_discrete
1539 sync_val_compare_and_swap
1563 # options emitted with CONFIG_ prefix but not available on the command line
1570 frame_thread_encoder
1671 # code dependency declarations
1673 # architecture extensions
1682 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1685 mips32r2_deps="mips"
1686 mipsdspr1_deps="mips"
1687 mipsdspr2_deps="mips"
1695 x86_64_select="i686"
1696 x86_64_suggest="fast_cmov"
1699 amd3dnowext_deps="amd3dnow"
1712 mmx_external_deps="yasm"
1713 mmx_inline_deps="inline_asm"
1714 mmx_suggest="mmx_external mmx_inline"
1716 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1717 eval dep=\$${ext}_deps
1718 eval ${ext}_external_deps='"${dep}_external"'
1719 eval ${ext}_inline_deps='"${dep}_inline"'
1720 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1723 aligned_stack_if_any="ppc x86"
1724 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1725 fast_clz_if_any="alpha avr32 mips ppc x86"
1726 fast_unaligned_if_any="ppc x86"
1728 inline_asm_deps="!tms470"
1729 need_memalign="altivec neon sse"
1731 symver_if_any="symver_asm_label symver_gnu_asm"
1737 error_resilience_select="dsputil"
1738 frame_thread_encoder_deps="encoders threads"
1739 lpc_select="dsputil"
1742 mpegaudio_select="mpegaudiodsp"
1743 mpegaudiodsp_select="dct"
1744 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1745 mpegvideoenc_select="mpegvideo"
1747 # decoders / encoders
1748 aac_decoder_select="mdct sinewin"
1749 aac_encoder_select="audio_frame_queue mdct sinewin"
1750 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1751 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1752 ac3_encoder_select="mdct ac3dsp dsputil"
1753 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1754 aic_decoder_select="dsputil golomb"
1755 alac_encoder_select="lpc"
1756 als_decoder_select="dsputil"
1757 amrnb_decoder_select="lsp"
1758 amrwb_decoder_select="lsp"
1759 amv_decoder_select="dsputil hpeldsp exif"
1760 amv_encoder_select="aandcttables"
1761 ape_decoder_select="dsputil"
1762 asv1_decoder_select="dsputil"
1763 asv1_encoder_select="dsputil"
1764 asv2_decoder_select="dsputil"
1765 asv2_encoder_select="dsputil"
1766 atrac1_decoder_select="mdct sinewin"
1767 atrac3_decoder_select="mdct"
1768 avrn_decoder_select="exif"
1769 bink_decoder_select="dsputil hpeldsp"
1770 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1771 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1772 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1773 cllc_decoder_select="dsputil"
1774 comfortnoise_encoder_select="lpc"
1775 cook_decoder_select="dsputil mdct sinewin"
1776 cscd_decoder_select="lzo"
1777 cscd_decoder_suggest="zlib"
1778 dca_decoder_select="mdct"
1779 dirac_decoder_select="dsputil dwt golomb videodsp"
1780 dnxhd_decoder_select="dsputil"
1781 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1782 dvvideo_decoder_select="dsputil"
1783 dvvideo_encoder_select="dsputil"
1784 dxa_decoder_select="zlib"
1785 eac3_decoder_select="ac3_decoder"
1786 eac3_encoder_select="ac3_encoder"
1787 eamad_decoder_select="aandcttables dsputil mpegvideo"
1788 eatgq_decoder_select="aandcttables"
1789 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1790 exr_decoder_select="zlib"
1791 ffv1_decoder_select="dsputil golomb rangecoder"
1792 ffv1_encoder_select="dsputil rangecoder"
1793 ffvhuff_decoder_select="dsputil"
1794 ffvhuff_encoder_select="dsputil huffman"
1795 flac_decoder_select="golomb"
1796 flac_encoder_select="dsputil golomb lpc"
1797 flashsv_decoder_select="zlib"
1798 flashsv_encoder_select="zlib"
1799 flashsv2_encoder_select="zlib"
1800 flashsv2_decoder_select="zlib"
1801 flv_decoder_select="h263_decoder"
1802 flv_encoder_select="h263_encoder"
1803 fourxm_decoder_select="dsputil"
1804 fraps_decoder_select="dsputil huffman"
1805 g2m_decoder_select="dsputil zlib"
1806 g729_decoder_select="dsputil"
1807 h261_decoder_select="error_resilience mpegvideo"
1808 h261_encoder_select="aandcttables mpegvideoenc"
1809 h263_decoder_select="error_resilience h263_parser mpegvideo"
1810 h263_encoder_select="aandcttables mpegvideoenc"
1811 h263i_decoder_select="h263_decoder"
1812 h263p_encoder_select="h263_encoder"
1813 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1814 h264_decoder_suggest="error_resilience"
1815 hevc_decoder_select="dsputil golomb videodsp"
1816 huffyuv_decoder_select="dsputil"
1817 huffyuv_encoder_select="dsputil huffman"
1818 iac_decoder_select="dsputil fft mdct sinewin"
1819 imc_decoder_select="dsputil fft mdct sinewin"
1820 indeo3_decoder_select="hpeldsp"
1821 interplay_video_decoder_select="hpeldsp"
1822 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1823 jpegls_encoder_select="golomb"
1824 jv_decoder_select="dsputil"
1825 lagarith_decoder_select="dsputil"
1826 ljpeg_encoder_select="aandcttables mpegvideoenc"
1827 loco_decoder_select="golomb"
1828 mdec_decoder_select="dsputil error_resilience mpegvideo"
1829 metasound_decoder_select="lsp mdct sinewin"
1830 mimic_decoder_select="dsputil hpeldsp"
1831 mjpeg_decoder_select="dsputil hpeldsp exif"
1832 mjpegb_decoder_select="dsputil hpeldsp exif"
1833 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1834 mlp_decoder_select="dsputil mlp_parser"
1835 motionpixels_decoder_select="dsputil"
1836 mp1_decoder_select="mpegaudio"
1837 mp1float_decoder_select="mpegaudio"
1838 mp2_decoder_select="mpegaudio"
1839 mp2float_decoder_select="mpegaudio"
1840 mp3_decoder_select="mpegaudio"
1841 mp3adu_decoder_select="mpegaudio"
1842 mp3adufloat_decoder_select="mpegaudio"
1843 mp3float_decoder_select="mpegaudio"
1844 mp3on4_decoder_select="mpegaudio"
1845 mp3on4float_decoder_select="mpegaudio"
1846 mpc7_decoder_select="dsputil mpegaudiodsp"
1847 mpc8_decoder_select="dsputil mpegaudiodsp"
1848 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1849 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1850 mpeg1video_decoder_select="error_resilience mpegvideo"
1851 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1852 mpeg2video_decoder_select="error_resilience mpegvideo"
1853 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1854 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1855 mpeg4_encoder_select="h263_encoder"
1856 msmpeg4v1_decoder_select="h263_decoder"
1857 msmpeg4v2_decoder_select="h263_decoder"
1858 msmpeg4v2_encoder_select="h263_encoder"
1859 msmpeg4v3_decoder_select="h263_decoder"
1860 msmpeg4v3_encoder_select="h263_encoder"
1861 mss2_decoder_select="error_resilience vc1_decoder"
1862 mxpeg_decoder_select="dsputil hpeldsp exif"
1863 nellymoser_decoder_select="mdct sinewin"
1864 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1865 nuv_decoder_select="dsputil lzo"
1866 png_decoder_select="zlib"
1867 png_encoder_select="dsputil zlib"
1868 prores_decoder_select="dsputil"
1869 prores_encoder_select="dsputil"
1870 qcelp_decoder_select="lsp"
1871 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1872 ra_144_encoder_select="audio_frame_queue lpc"
1873 ralf_decoder_select="golomb"
1874 rtjpeg_decoder_select="dsputil"
1875 rv10_decoder_select="error_resilience h263_decoder"
1876 rv10_encoder_select="h263_encoder"
1877 rv20_decoder_select="error_resilience h263_decoder"
1878 rv20_encoder_select="h263_encoder"
1879 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1880 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1881 shorten_decoder_select="golomb"
1882 sipr_decoder_select="lsp"
1883 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1884 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1885 sonic_decoder_select="golomb"
1886 sonic_encoder_select="golomb"
1887 sonic_ls_encoder_select="golomb"
1888 sp5x_decoder_select="dsputil hpeldsp exif"
1889 svq1_decoder_select="hpeldsp"
1890 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1891 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1892 svq3_decoder_suggest="error_resilience zlib"
1893 tak_decoder_select="dsputil"
1894 theora_decoder_select="vp3_decoder"
1895 tiff_decoder_suggest="zlib"
1896 tiff_encoder_suggest="zlib"
1897 thp_decoder_select="dsputil hpeldsp exif"
1898 truehd_decoder_select="mlp_parser"
1899 truemotion2_decoder_select="dsputil"
1900 truespeech_decoder_select="dsputil"
1901 tscc_decoder_select="zlib"
1902 twinvq_decoder_select="mdct lsp sinewin"
1903 utvideo_decoder_select="dsputil"
1904 utvideo_encoder_select="dsputil huffman"
1905 vble_decoder_select="dsputil"
1906 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1907 vc1image_decoder_select="vc1_decoder"
1908 vorbis_decoder_select="mdct"
1909 vorbis_encoder_select="mdct"
1910 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1911 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1912 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1913 vp6a_decoder_select="vp6_decoder"
1914 vp6f_decoder_select="vp6_decoder"
1915 vp8_decoder_select="h264pred videodsp"
1916 vp9_decoder_select="videodsp"
1917 webp_decoder_select="vp8_decoder"
1918 wmapro_decoder_select="mdct sinewin"
1919 wmav1_decoder_select="mdct sinewin"
1920 wmav1_encoder_select="mdct sinewin"
1921 wmav2_decoder_select="mdct sinewin"
1922 wmav2_encoder_select="mdct sinewin"
1923 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1924 wmv1_decoder_select="h263_decoder"
1925 wmv1_encoder_select="h263_encoder"
1926 wmv2_decoder_select="h263_decoder videodsp"
1927 wmv2_encoder_select="h263_encoder"
1928 wmv3_decoder_select="vc1_decoder"
1929 wmv3image_decoder_select="wmv3_decoder"
1930 zerocodec_decoder_select="zlib"
1931 zlib_decoder_select="zlib"
1932 zlib_encoder_select="zlib"
1933 zmbv_decoder_select="zlib"
1934 zmbv_encoder_select="zlib"
1936 # hardware accelerators
1937 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1938 dxva2_deps="dxva2api_h"
1939 vaapi_deps="va_va_h"
1940 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1941 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1942 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1944 h263_vaapi_hwaccel_deps="vaapi"
1945 h263_vaapi_hwaccel_select="h263_decoder"
1946 h263_vdpau_hwaccel_deps="vdpau"
1947 h263_vdpau_hwaccel_select="h263_decoder"
1948 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1949 h264_dxva2_hwaccel_deps="dxva2"
1950 h264_dxva2_hwaccel_select="h264_decoder"
1951 h264_vaapi_hwaccel_deps="vaapi"
1952 h264_vaapi_hwaccel_select="h264_decoder"
1953 h264_vda_decoder_deps="vda"
1954 h264_vda_decoder_select="h264_decoder"
1955 h264_vda_hwaccel_deps="vda"
1956 h264_vda_hwaccel_select="h264_decoder"
1957 h264_vdpau_decoder_deps="vdpau"
1958 h264_vdpau_decoder_select="h264_decoder"
1959 h264_vdpau_hwaccel_deps="vdpau"
1960 h264_vdpau_hwaccel_select="h264_decoder"
1961 mpeg_vdpau_decoder_deps="vdpau"
1962 mpeg_vdpau_decoder_select="mpeg2video_decoder"
1963 mpeg1_vdpau_decoder_deps="vdpau"
1964 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
1965 mpeg1_vdpau_hwaccel_deps="vdpau"
1966 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1967 mpeg2_crystalhd_decoder_select="crystalhd"
1968 mpeg2_dxva2_hwaccel_deps="dxva2"
1969 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1970 mpeg2_vaapi_hwaccel_deps="vaapi"
1971 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1972 mpeg2_vdpau_hwaccel_deps="vdpau"
1973 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1974 mpeg4_crystalhd_decoder_select="crystalhd"
1975 mpeg4_vaapi_hwaccel_deps="vaapi"
1976 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1977 mpeg4_vdpau_decoder_deps="vdpau"
1978 mpeg4_vdpau_decoder_select="mpeg4_decoder"
1979 mpeg4_vdpau_hwaccel_deps="vdpau"
1980 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1981 msmpeg4_crystalhd_decoder_select="crystalhd"
1982 vc1_crystalhd_decoder_select="crystalhd"
1983 vc1_dxva2_hwaccel_deps="dxva2"
1984 vc1_dxva2_hwaccel_select="vc1_decoder"
1985 vc1_vaapi_hwaccel_deps="vaapi"
1986 vc1_vaapi_hwaccel_select="vc1_decoder"
1987 vc1_vdpau_decoder_deps="vdpau"
1988 vc1_vdpau_decoder_select="vc1_decoder"
1989 vc1_vdpau_hwaccel_deps="vdpau"
1990 vc1_vdpau_hwaccel_select="vc1_decoder"
1991 wmv3_crystalhd_decoder_select="crystalhd"
1992 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1993 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1994 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1995 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
1998 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1999 mpeg4video_parser_select="error_resilience mpegvideo"
2000 mpegvideo_parser_select="error_resilience mpegvideo"
2001 vc1_parser_select="mpegvideo"
2003 # external libraries
2004 libaacplus_encoder_deps="libaacplus"
2005 libcelt_decoder_deps="libcelt"
2006 libfaac_encoder_deps="libfaac"
2007 libfaac_encoder_select="audio_frame_queue"
2008 libfdk_aac_decoder_deps="libfdk_aac"
2009 libfdk_aac_encoder_deps="libfdk_aac"
2010 libfdk_aac_encoder_select="audio_frame_queue"
2011 libgme_demuxer_deps="libgme"
2012 libgsm_decoder_deps="libgsm"
2013 libgsm_encoder_deps="libgsm"
2014 libgsm_ms_decoder_deps="libgsm"
2015 libgsm_ms_encoder_deps="libgsm"
2016 libilbc_decoder_deps="libilbc"
2017 libilbc_encoder_deps="libilbc"
2018 libmodplug_demuxer_deps="libmodplug"
2019 libmp3lame_encoder_deps="libmp3lame"
2020 libmp3lame_encoder_select="audio_frame_queue"
2021 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2022 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2023 libopencore_amrnb_encoder_select="audio_frame_queue"
2024 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2025 libopenjpeg_decoder_deps="libopenjpeg"
2026 libopenjpeg_encoder_deps="libopenjpeg"
2027 libopus_decoder_deps="libopus"
2028 libopus_encoder_deps="libopus"
2029 libopus_encoder_select="audio_frame_queue"
2030 libquvi_demuxer_deps="libquvi"
2031 libschroedinger_decoder_deps="libschroedinger"
2032 libschroedinger_encoder_deps="libschroedinger"
2033 libshine_encoder_deps="libshine"
2034 libshine_encoder_select="audio_frame_queue"
2035 libspeex_decoder_deps="libspeex"
2036 libspeex_encoder_deps="libspeex"
2037 libspeex_encoder_select="audio_frame_queue"
2038 libstagefright_h264_decoder_deps="libstagefright_h264"
2039 libtheora_encoder_deps="libtheora"
2040 libtwolame_encoder_deps="libtwolame"
2041 libvo_aacenc_encoder_deps="libvo_aacenc"
2042 libvo_aacenc_encoder_select="audio_frame_queue"
2043 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2044 libvorbis_decoder_deps="libvorbis"
2045 libvorbis_encoder_deps="libvorbis"
2046 libvorbis_encoder_select="audio_frame_queue"
2047 libvpx_vp8_decoder_deps="libvpx"
2048 libvpx_vp8_encoder_deps="libvpx"
2049 libvpx_vp9_decoder_deps="libvpx"
2050 libvpx_vp9_encoder_deps="libvpx"
2051 libwavpack_encoder_deps="libwavpack"
2052 libx264_encoder_deps="libx264"
2053 libx264rgb_encoder_deps="libx264"
2054 libxavs_encoder_deps="libxavs"
2055 libxvid_encoder_deps="libxvid"
2056 libutvideo_decoder_deps="libutvideo"
2057 libutvideo_encoder_deps="libutvideo"
2058 libzvbi_teletext_decoder_deps="libzvbi"
2061 ac3_demuxer_select="ac3_parser"
2062 asf_demuxer_select="riffdec"
2063 asf_muxer_select="riffenc"
2064 asf_stream_muxer_select="asf_muxer"
2065 avi_demuxer_select="riffdec"
2066 avi_muxer_select="riffenc"
2067 avisynth_demuxer_deps="avisynth"
2068 avisynth_demuxer_select="riffdec"
2069 caf_demuxer_select="riffdec"
2070 dirac_demuxer_select="dirac_parser"
2071 dts_demuxer_select="dca_parser"
2072 dtshd_demuxer_select="dca_parser"
2073 dxa_demuxer_select="riffdec"
2074 eac3_demuxer_select="ac3_parser"
2075 f4v_muxer_select="mov_muxer"
2076 flac_demuxer_select="flac_parser"
2077 hls_muxer_select="mpegts_muxer"
2078 ipod_muxer_select="mov_muxer"
2079 ismv_muxer_select="mov_muxer"
2080 libnut_demuxer_deps="libnut"
2081 libnut_muxer_deps="libnut"
2082 matroska_audio_muxer_select="matroska_muxer"
2083 matroska_demuxer_select="riffdec"
2084 matroska_demuxer_suggest="bzlib lzo zlib"
2085 matroska_muxer_select="riffenc"
2086 mmf_muxer_select="riffenc"
2087 mov_demuxer_select="riffdec"
2088 mov_demuxer_suggest="zlib"
2089 mov_muxer_select="riffenc rtpenc_chain"
2090 mp3_demuxer_select="mpegaudio_parser"
2091 mp4_muxer_select="mov_muxer"
2092 mpegts_muxer_select="adts_muxer latm_muxer"
2093 mpegtsraw_demuxer_select="mpegts_demuxer"
2094 mxf_d10_muxer_select="mxf_muxer"
2095 nut_muxer_select="riffenc"
2096 nuv_demuxer_select="riffdec"
2097 ogg_demuxer_select="golomb"
2098 psp_muxer_select="mov_muxer"
2099 rtp_demuxer_select="sdp_demuxer"
2100 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2101 rtsp_demuxer_select="http_protocol rtpdec"
2102 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2103 sap_demuxer_select="sdp_demuxer"
2104 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2105 sdp_demuxer_select="rtpdec"
2106 smoothstreaming_muxer_select="ismv_muxer"
2107 spdif_muxer_select="aac_parser"
2108 tak_demuxer_select="tak_parser"
2109 tg2_muxer_select="mov_muxer"
2110 tgp_muxer_select="mov_muxer"
2111 vobsub_demuxer_select="mpegps_demuxer"
2112 w64_demuxer_select="wav_demuxer"
2113 w64_muxer_select="wav_muxer"
2114 wav_demuxer_select="riffdec"
2115 wav_muxer_select="riffenc"
2116 webm_muxer_select="riffenc"
2117 wtv_demuxer_select="riffdec"
2118 xmv_demuxer_select="riffdec"
2119 xwma_demuxer_select="riffdec"
2122 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2123 alsa_outdev_deps="alsa_asoundlib_h"
2124 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2125 caca_outdev_deps="libcaca"
2126 dshow_indev_deps="IBaseFilter"
2127 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2128 dv1394_indev_deps="dv1394"
2129 dv1394_indev_select="dv_demuxer"
2130 fbdev_indev_deps="linux_fb_h"
2131 fbdev_outdev_deps="linux_fb_h"
2132 iec61883_indev_deps="libiec61883"
2133 jack_indev_deps="jack_jack_h sem_timedwait"
2134 lavfi_indev_deps="avfilter"
2135 libcdio_indev_deps="libcdio"
2136 libdc1394_indev_deps="libdc1394"
2137 libv4l2_indev_deps="libv4l2"
2138 openal_indev_deps="openal"
2139 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2140 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2141 pulse_indev_deps="libpulse"
2142 pulse_outdev_deps="libpulse"
2143 sdl_outdev_deps="sdl"
2144 sndio_indev_deps="sndio_h"
2145 sndio_outdev_deps="sndio_h"
2146 v4l_indev_deps="linux_videodev_h"
2147 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2148 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2149 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2150 vfwcap_indev_extralibs="-lavicap32"
2151 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2152 xv_outdev_extralibs="-lXv -lX11 -lXext"
2153 x11grab_indev_deps="x11grab"
2156 bluray_protocol_deps="libbluray"
2157 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2158 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2159 ffrtmpcrypt_protocol_select="tcp_protocol"
2160 ffrtmphttp_protocol_deps="!librtmp_protocol"
2161 ffrtmphttp_protocol_select="http_protocol"
2162 ftp_protocol_select="tcp_protocol"
2163 gopher_protocol_select="network"
2164 httpproxy_protocol_select="tcp_protocol"
2165 http_protocol_select="tcp_protocol"
2166 https_protocol_select="tls_protocol"
2167 librtmp_protocol_deps="librtmp"
2168 librtmpe_protocol_deps="librtmp"
2169 librtmps_protocol_deps="librtmp"
2170 librtmpt_protocol_deps="librtmp"
2171 librtmpte_protocol_deps="librtmp"
2172 libssh_protocol_deps="libssh"
2173 mmsh_protocol_select="http_protocol"
2174 mmst_protocol_select="network"
2175 rtmp_protocol_deps="!librtmp_protocol"
2176 rtmp_protocol_select="tcp_protocol"
2177 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2178 rtmps_protocol_deps="!librtmp_protocol"
2179 rtmps_protocol_select="tls_protocol"
2180 rtmpt_protocol_select="ffrtmphttp_protocol"
2181 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2182 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2183 rtp_protocol_select="udp_protocol"
2184 sctp_protocol_deps="struct_sctp_event_subscribe"
2185 sctp_protocol_select="network"
2186 srtp_protocol_select="rtp_protocol"
2187 tcp_protocol_select="network"
2188 tls_protocol_deps_any="openssl gnutls"
2189 tls_protocol_select="tcp_protocol"
2190 udp_protocol_select="network"
2191 unix_protocol_deps="sys_un_h"
2192 unix_protocol_select="network"
2195 aconvert_filter_deps="swresample"
2196 amovie_filter_deps="avcodec avformat"
2197 aresample_filter_deps="swresample"
2198 ass_filter_deps="libass"
2199 asyncts_filter_deps="avresample"
2200 atempo_filter_deps="avcodec"
2201 atempo_filter_select="rdft"
2202 azmq_filter_deps="libzmq"
2203 blackframe_filter_deps="gpl"
2204 boxblur_filter_deps="gpl"
2205 colormatrix_filter_deps="gpl"
2206 cropdetect_filter_deps="gpl"
2207 dctdnoiz_filter_deps="avcodec"
2208 dctdnoiz_filter_select="fft"
2209 delogo_filter_deps="gpl"
2210 deshake_filter_deps="avcodec"
2211 deshake_filter_select="dsputil"
2212 drawtext_filter_deps="libfreetype"
2213 ebur128_filter_deps="gpl"
2214 flite_filter_deps="libflite"
2215 frei0r_filter_deps="frei0r dlopen"
2216 frei0r_filter_extralibs='$ldl'
2217 frei0r_src_filter_deps="frei0r dlopen"
2218 frei0r_src_filter_extralibs='$ldl'
2219 geq_filter_deps="gpl"
2220 histeq_filter_deps="gpl"
2221 hqdn3d_filter_deps="gpl"
2222 interlace_filter_deps="gpl"
2223 kerndeint_filter_deps="gpl"
2224 ladspa_filter_deps="ladspa dlopen"
2225 mcdeint_filter_deps="avcodec gpl"
2226 movie_filter_deps="avcodec avformat"
2227 mp_filter_deps="gpl avcodec swscale inline_asm"
2228 mpdecimate_filter_deps="gpl avcodec"
2229 mptestsrc_filter_deps="gpl"
2230 negate_filter_deps="lut_filter"
2231 perspective_filter_deps="gpl"
2232 resample_filter_deps="avresample"
2233 ocv_filter_deps="libopencv"
2234 owdenoise_filter_deps="gpl"
2235 pan_filter_deps="swresample"
2236 phase_filter_deps="gpl"
2237 pp_filter_deps="gpl postproc"
2238 pullup_filter_deps="gpl"
2239 removelogo_filter_deps="avcodec avformat swscale"
2240 sab_filter_deps="gpl swscale"
2241 scale_filter_deps="swscale"
2242 smartblur_filter_deps="gpl swscale"
2243 showspectrum_filter_deps="avcodec"
2244 showspectrum_filter_select="rdft"
2245 spp_filter_deps="gpl avcodec"
2246 spp_filter_select="fft"
2247 stereo3d_filter_deps="gpl"
2248 subtitles_filter_deps="avformat avcodec libass"
2249 super2xsai_filter_deps="gpl"
2250 tinterlace_filter_deps="gpl"
2251 vidstabdetect_filter_deps="libvidstab"
2252 vidstabtransform_filter_deps="libvidstab"
2253 yadif_filter_deps="gpl"
2254 pixfmts_super2xsai_test_deps="super2xsai_filter"
2255 tinterlace_merge_test_deps="tinterlace_filter"
2256 tinterlace_pad_test_deps="tinterlace_filter"
2257 zmq_filter_deps="libzmq"
2260 avcodec_deps="avutil"
2261 avdevice_deps="avutil avcodec avformat"
2262 avfilter_deps="avutil"
2263 avformat_deps="avutil avcodec"
2264 avresample_deps="avutil"
2265 postproc_deps="avutil gpl"
2266 swscale_deps="avutil"
2269 ffmpeg_deps="avcodec avfilter avformat swresample"
2270 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2272 setpts_filter trim_filter"
2273 ffplay_deps="avcodec avformat swscale swresample sdl"
2274 ffplay_select="rdft crop_filter"
2275 ffprobe_deps="avcodec avformat"
2276 ffserver_deps="avformat fork sarestart"
2277 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2278 ffserver_extralibs='$ldl'
2281 podpages_deps="perl"
2282 manpages_deps="perl pod2man"
2283 htmlpages_deps="texi2html"
2284 txtpages_deps="makeinfo"
2285 doc_deps_any="manpages htmlpages podpages txtpages"
2287 # default parameters
2289 logfile="config.log"
2291 # installation paths
2292 prefix_default="/usr/local"
2293 bindir_default='${prefix}/bin'
2294 datadir_default='${prefix}/share/ffmpeg'
2295 docdir_default='${prefix}/share/doc/ffmpeg'
2296 incdir_default='${prefix}/include'
2297 libdir_default='${prefix}/lib'
2298 mandir_default='${prefix}/share/man'
2299 shlibdir_default="$libdir_default"
2305 host_cc_default="gcc"
2311 pkg_config_default=pkg-config
2313 strip_default="strip"
2314 yasmexe_default="yasm"
2319 arch_default=$(uname -m)
2323 target_os_default=$(tolower $(uname -s))
2324 host_os=$target_os_default
2326 # configurable options
2327 enable $PROGRAM_LIST
2328 enable $DOCUMENT_LIST
2329 enable $(filter_out avresample $LIBRARY_LIST)
2335 enable optimizations
2336 enable runtime_cpudetect
2337 enable safe_bitstream_reader
2339 enable swscale_alpha
2341 # Enable hwaccels by default.
2342 enable dxva2 vaapi vdpau
2345 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2348 FULLNAME='$(NAME)$(BUILDSUF)'
2349 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2352 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2353 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2354 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2355 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2356 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2357 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2377 host_cflags='-O3 -g'
2378 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2380 host_cflags_filter=echo
2381 host_ldflags_filter=echo
2383 target_path='$(CURDIR)'
2385 # since the object filename is not given with the -MM flag, the compiler
2386 # is only able to print the basename, and we must add the path ourselves
2387 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2391 if test -f configure; then
2394 source_path=$(cd $(dirname "$0"); pwd)
2395 echo "$source_path" | grep -q '[[:blank:]]' &&
2396 die "Out of tree builds are impossible with whitespace in source path."
2397 test -e "$source_path/config.h" &&
2398 die "Out of tree builds are impossible with config.h in source dir."
2405 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2411 file=$source_path/$3
2412 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2415 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2416 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2417 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2418 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2419 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2420 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2421 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2422 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2423 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2424 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2425 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2441 for n in $COMPONENT_LIST; do
2442 v=$(toupper ${n%s})_LIST
2444 eval ${n}_if_any="\$$v"
2447 enable $ARCH_EXT_LIST
2450 echo "Unknown option \"$1\"."
2451 echo "See $0 --help for available options."
2456 cat | tr ' ' '\n' | sort | pr -r -3 -t
2462 echo $* | sed s/$suffix//g | print_3_columns
2474 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2475 echo "prob ${prob:-0.5}"
2483 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2484 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2494 add_extralibs $optval
2497 disable $INDEV_LIST $OUTDEV_LIST
2500 debuglevel="$optval"
2503 disable $PROGRAM_LIST
2505 --disable-everything)
2506 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2509 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2510 disable $LIBRARY_LIST $PROGRAM_LIST doc
2512 --enable-random|--disable-random)
2513 action=${opt%%-random}
2514 do_random ${action#--} $COMPONENT_LIST
2516 --enable-random=*|--disable-random=*)
2517 action=${opt%%-random=*}
2518 do_random ${action#--} $optval
2520 --enable-*=*|--disable-*=*)
2521 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2522 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2523 eval list=\$$(toupper $thing)_LIST
2524 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2525 list=$(filter "$name" $list)
2526 [ "$list" = "" ] && warn "Option $opt did not match anything"
2529 --enable-?*|--disable-?*)
2530 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2531 if is_in $option $COMPONENT_LIST; then
2532 test $action = disable && action=unset
2533 eval $action \$$(toupper ${option%s})_LIST
2534 elif is_in $option $CMDLINE_SELECT; then
2541 NAME="${opt#--list-}"
2542 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2544 eval show_list $NAME \$$(toupper $NAME)_LIST
2546 --help|-h) show_help
2548 --fatal-warnings) enable fatal_warnings
2551 optname="${opt%%=*}"
2552 optname="${optname#--}"
2553 optname=$(echo "$optname" | sed 's/-/_/g')
2554 if is_in $optname $CMDLINE_SET; then
2555 eval $optname='$optval'
2556 elif is_in $optname $CMDLINE_APPEND; then
2557 append $optname "$optval"
2565 disabled logging && logfile=/dev/null
2567 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2570 test -n "$cross_prefix" && enable cross_compile
2572 if enabled cross_compile; then
2573 test -n "$arch" && test -n "$target_os" ||
2574 die "Must specify target arch and OS when cross-compiling"
2577 ar_default="${cross_prefix}${ar_default}"
2578 cc_default="${cross_prefix}${cc_default}"
2579 cxx_default="${cross_prefix}${cxx_default}"
2580 nm_default="${cross_prefix}${nm_default}"
2581 pkg_config_default="${cross_prefix}${pkg_config_default}"
2582 ranlib="${cross_prefix}${ranlib}"
2583 strip_default="${cross_prefix}${strip_default}"
2585 sysinclude_default="${sysroot}/usr/include"
2587 test -n "$valgrind" && toolchain="valgrind-memcheck"
2589 case "$toolchain" in
2592 add_cflags -fsanitize=address
2593 add_ldflags -fsanitize=address
2597 add_cflags -fsanitize=thread -pie
2598 add_ldflags -fsanitize=thread -pie
2602 add_cflags -fsanitize=address
2603 add_ldflags -fsanitize=address
2607 add_cflags -fsanitize=thread -pie -fPIC
2608 add_ldflags -fsanitize=thread -pie -fPIC
2611 target_exec_default=${valgrind:-"valgrind"}
2612 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
2615 target_exec_default=${valgrind:-"valgrind"}
2616 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2619 cc_default="c99wrap cl"
2620 ld_default="c99wrap link"
2621 nm_default="dumpbin -symbols"
2623 target_os_default="win32"
2626 cc_default="c99wrap -noconv icl"
2627 ld_default="c99wrap xilink"
2628 nm_default="dumpbin -symbols"
2630 target_os_default="win32"
2633 add_cflags -fprofile-arcs -ftest-coverage
2634 add_ldflags -fprofile-arcs -ftest-coverage
2637 die "Unknown toolchain $toolchain"
2641 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2642 enabled cross_compile || host_cc_default=$cc
2645 if ! $pkg_config --version >/dev/null 2>&1; then
2646 warn "$pkg_config not found, library detection may fail."
2652 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2656 EXESUF=$(exesuf $target_os)
2657 HOSTEXESUF=$(exesuf $host_os)
2659 # set temporary file name
2660 : ${TMPDIR:=$TEMPDIR}
2664 if [ -n "$tempprefix" ] ; then
2666 echo $tempprefix.${HOSTNAME}.${UID}
2668 elif ! check_cmd mktemp -u XXXXXX; then
2669 # simple replacement for missing mktemp
2670 # NOT SAFE FOR GENERAL USE
2672 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2677 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2678 (set -C; exec > $tmp) 2>/dev/null ||
2679 die "Unable to create temporary file in $TMPDIR."
2680 append TMPFILES $tmp
2684 trap 'rm -f -- $TMPFILES' EXIT
2689 tmpfile TMPE $EXESUF
2700 # make sure we can execute files in $TMPDIR
2701 cat > $TMPSH 2>> $logfile <<EOF
2704 chmod +x $TMPSH >> $logfile 2>&1
2705 if ! $TMPSH >> $logfile 2>&1; then
2707 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2708 variable to another directory and make sure that it is not mounted noexec.
2710 die "Sanity test failed."
2716 -std=c99) echo -c99 ;;
2717 -mcpu=*) echo -arch ${flag#*=} ;;
2718 -mieee) echo -ieee ;;
2719 -O*|-fast) echo $flag ;;
2720 -fno-math-errno) echo -assume nomath_errno ;;
2722 -Wall) echo -msg_enable level2 ;;
2723 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2724 -Wl,*) echo $flag ;;
2734 -Wno-switch) echo -Wno-switch-enum ;;
2735 -Wno-format-zero-length) ;;
2736 -Wdisabled-optimization) ;;
2737 -Wno-pointer-sign) echo -Wno-other ;;
2743 msvc_common_flags(){
2746 # In addition to specifying certain flags under the compiler
2747 # specific filters, they must be specified here as well or else the
2748 # generic catch all at the bottom will print the original flag.
2752 -fomit-frame-pointer) ;;
2756 -fno-signed-zeros) ;;
2760 -lz) echo zlib.lib ;;
2761 -lavifil32) echo vfw32.lib ;;
2762 -lavicap32) echo vfw32.lib user32.lib ;;
2763 -l*) echo ${flag#-l}.lib ;;
2770 msvc_common_flags "$@"
2773 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2774 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2775 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2783 msvc_common_flags "$@"
2786 # Despite what Intel's documentation says -Wall, which is supported
2787 # on Windows, does enable remarks so disable them here.
2788 -Wall) echo $flag -Qdiag-disable:remark ;;
2789 -std=c99) echo -Qstd=c99 ;;
2797 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2798 -fomit-frame-pointer) echo -Mnoframe ;;
2809 case "${flag#*=}" in
2810 native) echo -xtarget=native ;;
2811 v9|niagara) echo -xarch=sparc ;;
2812 ultrasparc) echo -xarch=sparcvis ;;
2813 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2814 i586|pentium) echo -xchip=pentium ;;
2815 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2816 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2817 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2818 pentium4*) echo -xtarget=pentium4 ;;
2819 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2820 *-sse3) echo -xarch=sse3 ;;
2821 core2) echo -xarch=ssse3 -xchip=core2 ;;
2822 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2823 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2824 amdfam10|barcelona) echo -xtarget=barcelona ;;
2825 bdver*) echo -xarch=avx ;;
2826 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2827 k8|opteron|athlon64|athlon-fx)
2828 echo -xarch=sse2a ;;
2829 athlon*) echo -xarch=pentium_proa ;;
2832 -std=c99) echo -xc99 ;;
2833 -fomit-frame-pointer) echo -xregs=frameptr ;;
2834 -fPIC) echo -KPIC -xcode=pic32 ;;
2835 -W*,*) echo $flag ;;
2836 -f*-*|-W*|-mimpure-text) ;;
2847 case "${flag#*=}" in
2848 armv7-a|cortex-a*) echo -mv=7a8 ;;
2849 armv7-r|cortex-r*) echo -mv=7r4 ;;
2850 armv7-m|cortex-m*) echo -mv=7m3 ;;
2851 armv6*|arm11*) echo -mv=6 ;;
2852 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2854 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2857 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2858 -mfpu=vfp) echo --float_support=vfpv2 ;;
2859 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2860 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2861 -msoft-float) echo --float_support=vfplib ;;
2862 -O[0-3]|-mf=*) echo $flag ;;
2864 -pds=*) echo $flag ;;
2865 -D*|-I*) echo $flag ;;
2866 --gcc|--abi=*) echo $flag ;;
2876 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2877 unset _ld_o _ldflags _ld_lib _ld_path
2878 unset _depflags _DEPCMD _DEPFLAGS
2881 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2883 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2884 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2885 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2888 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2890 gcc_version=$($_cc --version | head -n1)
2891 gcc_basever=$($_cc -dumpversion)
2892 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2893 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2894 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2895 if ! $_cc -dumpversion | grep -q '^2\.'; then
2896 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2900 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2902 _ident=$($_cc --version | head -n1)
2907 elif $_cc -v 2>&1 | grep -q xlc; then
2909 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2911 _cflags_size='-O5 -qcompact'
2912 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2914 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2916 _cflags_speed='-fast'
2918 _flags_filter=ccc_flags
2919 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2920 test -d "$sysroot" || die "No valid sysroot specified."
2922 _ident=$($_cc --vsn | head -n1)
2923 armcc_conf="$PWD/armcc.conf"
2924 $_cc --arm_linux_configure \
2925 --arm_linux_config_file="$armcc_conf" \
2926 --configure_sysroot="$sysroot" \
2927 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2928 die "Error creating armcc configuration file."
2929 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2930 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2931 as_default="${cross_prefix}gcc"
2935 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2937 _ident=$($_cc -version | head -n1 | tr -s ' ')
2938 _flags='--gcc --abi=eabi -me'
2941 _depflags='-ppa -ppd=$(@:.o=.d)'
2942 _cflags_speed='-O3 -mf=5'
2943 _cflags_size='-O3 -mf=2'
2944 _flags_filter=tms470_flags
2945 elif $_cc -v 2>&1 | grep -q clang; then
2947 _ident=$($_cc --version | head -n1)
2951 elif $_cc -V 2>&1 | grep -q Sun; then
2953 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2954 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2955 _DEPFLAGS='-xM1 -xc99'
2958 _cflags_size='-O5 -xspace'
2959 _flags_filter=suncc_flags
2960 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2962 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2963 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2966 _flags_filter='filter_out -Wdisabled-optimization'
2967 elif $_cc -v 2>&1 | grep -q Open64; then
2969 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2970 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2973 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2974 elif $_cc -V 2>&1 | grep -q Portland; then
2976 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2977 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2978 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2979 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2981 _flags_filter=pgi_flags
2982 elif $_cc 2>&1 | grep -q Microsoft; then
2984 _ident=$($cc 2>&1 | head -n1)
2985 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2986 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2989 # Nonstandard output options, to avoid msys path conversion issues.
2990 # Relies on wrapper to remap it.
2991 if $_cc 2>&1 | grep -q Linker; then
2998 _flags_filter=msvc_flags
3000 _ld_path='-libpath:'
3002 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3003 if [ $pfx = hostcc ]; then
3004 append _cflags -Dsnprintf=_snprintf
3007 elif $_cc 2>&1 | grep -q Intel; then
3009 _ident=$($cc 2>&1 | head -n1)
3010 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3011 # Not only is O3 broken on 13.x+ but it is slower on all previous
3012 # versions (tested) as well.
3014 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3015 # Nonstandard output options, to avoid msys path conversion issues.
3016 # Relies on wrapper to remap it.
3017 if $_cc 2>&1 | grep -q Linker; then
3024 _flags_filter=icl_flags
3026 _ld_path='-libpath:'
3027 # -Qdiag-error to make icl error when seeing certain unknown arguments
3028 _flags='-nologo -Qdiag-error:4044,10157'
3029 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3030 # with MSVC which enables it by default.
3031 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3032 if [ $pfx = hostcc ]; then
3033 append _cflags -Dsnprintf=_snprintf
3035 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3037 _ident=$($_cc --version | head -n1)
3041 _flags_filter=cparser_flags
3044 eval ${pfx}_type=\$_type
3045 eval ${pfx}_ident=\$_ident
3049 eval ${1}_C=\${_cc_c-\${${1}_C}}
3050 eval ${1}_E=\${_cc_e-\${${1}_E}}
3051 eval ${1}_O=\${_cc_o-\${${1}_O}}
3053 if [ -n "$_depflags" ]; then
3054 eval ${1}_DEPFLAGS=\$_depflags
3056 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3057 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3058 eval DEP${1}FLAGS=\$_flags
3063 cflags_filter=$_flags_filter
3064 cflags_speed=$_cflags_speed
3065 cflags_size=$_cflags_size
3066 cflags_noopt=$_cflags_noopt
3067 add_cflags $_flags $_cflags
3068 cc_ldflags=$_ldflags
3071 probe_cc hostcc "$host_cc"
3072 host_cflags_filter=$_flags_filter
3073 add_host_cflags $_flags $_cflags
3076 test -n "$cc_type" && enable $cc_type ||
3077 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3079 : ${as_default:=$cc}
3080 : ${dep_cc_default:=$cc}
3081 : ${ld_default:=$cc}
3082 : ${host_ld_default:=$host_cc}
3083 set_default ar as dep_cc ld host_ld
3086 asflags_filter=$_flags_filter
3087 add_asflags $_flags $_cflags
3091 ldflags_filter=$_flags_filter
3092 add_ldflags $_flags $_ldflags
3093 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3095 LD_LIB=${_ld_lib-$LD_LIB}
3096 LD_PATH=${_ld_path-$LD_PATH}
3098 probe_cc hostld "$host_ld"
3099 host_ldflags_filter=$_flags_filter
3100 add_host_ldflags $_flags $_ldflags
3101 HOSTLD_O=${_ld_o-$HOSTLD_O}
3103 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3104 probe_cc depcc "$dep_cc"
3105 CCDEP=${_DEPCMD:-$DEPCMD}
3106 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3110 if $ar 2>&1 | grep -q Microsoft; then
3113 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3116 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3117 arflags='-Xany -r -c'
3124 add_cflags $extra_cflags
3125 add_cxxflags $extra_cxxflags
3126 add_asflags $extra_cflags
3128 if test -n "$sysroot"; then
3131 add_cppflags --sysroot="$sysroot"
3132 add_ldflags --sysroot="$sysroot"
3135 add_cppflags -I"$sysinclude"
3136 add_ldflags --sysroot="$sysroot"
3141 if test "$cpu" = host; then
3142 enabled cross_compile &&
3143 die "--cpu=host makes no sense when cross-compiling."
3148 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3150 s/.*$1=\\([^ ]*\\).*/\\1/
3155 cpu=$(check_native -march || check_native -mcpu)
3159 test "${cpu:-host}" = host &&
3160 die "--cpu=host not supported with compiler $cc"
3163 # Deal with common $arch aliases
3177 "Power Macintosh"|ppc*|powerpc*)
3192 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3197 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3200 # Add processor-specific flags
3201 if enabled aarch64; then
3205 cpuflags="-march=$cpu"
3208 cpuflags="-mcpu=$cpu"
3212 elif enabled alpha; then
3214 cpuflags="-mcpu=$cpu"
3216 elif enabled arm; then
3219 check_cpp_condition stddef.h \
3220 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3225 if check_arm_arch 4; then echo armv4;
3226 elif check_arm_arch 4T; then echo armv4t;
3227 elif check_arm_arch 5; then echo armv5;
3228 elif check_arm_arch 5E; then echo armv5e;
3229 elif check_arm_arch 5T; then echo armv5t;
3230 elif check_arm_arch 5TE; then echo armv5te;
3231 elif check_arm_arch 5TEJ; then echo armv5te;
3232 elif check_arm_arch 6; then echo armv6;
3233 elif check_arm_arch 6J; then echo armv6j;
3234 elif check_arm_arch 6K; then echo armv6k;
3235 elif check_arm_arch 6Z; then echo armv6z;
3236 elif check_arm_arch 6ZK; then echo armv6zk;
3237 elif check_arm_arch 6T2; then echo armv6t2;
3238 elif check_arm_arch 7; then echo armv7;
3239 elif check_arm_arch 7A 7_A; then echo armv7-a;
3240 elif check_arm_arch 7R 7_R; then echo armv7-r;
3241 elif check_arm_arch 7M 7_M; then echo armv7-m;
3242 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3243 elif check_arm_arch 8A 8_A; then echo armv8-a;
3247 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3251 cpuflags="-march=$cpu"
3252 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3255 cpuflags="-mcpu=$cpu"
3257 cortex-a*) subarch=armv7a ;;
3258 cortex-r*) subarch=armv7r ;;
3259 cortex-m*) enable thumb; subarch=armv7m ;;
3260 arm11*) subarch=armv6 ;;
3261 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3262 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3263 *) subarch=$(probe_arm_arch) ;;
3269 armv5t*) enable fast_clz ;;
3270 armv[6-8]*) enable fast_clz fast_unaligned ;;
3273 elif enabled avr32; then
3278 cpuflags="-mpart=$cpu"
3282 cpuflags="-march=$cpu"
3286 cpuflags="-mcpu=$cpu"
3290 cpuflags="-march=$cpu"
3294 elif enabled bfin; then
3296 cpuflags="-mcpu=$cpu"
3298 elif enabled mips; then
3300 cpuflags="-march=$cpu"
3316 24kef*|34kf*|1004kf*)
3324 elif enabled ppc; then
3326 case $(tolower $cpu) in
3327 601|ppc601|powerpc601)
3328 cpuflags="-mcpu=601"
3331 603*|ppc603*|powerpc603*)
3332 cpuflags="-mcpu=603"
3335 604*|ppc604*|powerpc604*)
3336 cpuflags="-mcpu=604"
3339 g3|75*|ppc75*|powerpc75*)
3340 cpuflags="-mcpu=750"
3343 g4|745*|ppc745*|powerpc745*)
3344 cpuflags="-mcpu=7450"
3346 74*|ppc74*|powerpc74*)
3347 cpuflags="-mcpu=7400"
3349 g5|970|ppc970|powerpc970)
3350 cpuflags="-mcpu=970"
3353 cpuflags="-mcpu=$cpu"
3356 cpuflags="-mcpu=cell"
3360 cpuflags="-mcpu=e500mc"
3364 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3368 cpuflags="-mcpu=8540 -mhard-float"
3373 elif enabled sparc; then
3376 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3377 cpuflags="-mcpu=$cpu"
3380 ultrasparc*|niagara[234])
3381 cpuflags="-mcpu=$cpu"
3385 elif enabled x86; then
3389 cpuflags="-march=$cpu"
3392 # targets that do NOT support nopl and conditional mov (cmov)
3393 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3394 cpuflags="-march=$cpu"
3397 # targets that do support nopl and conditional mov (cmov)
3398 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*)
3399 cpuflags="-march=$cpu"
3403 # targets that do support conditional mov but on which it's slow
3404 pentium4|pentium4m|prescott|nocona)
3405 cpuflags="-march=$cpu"
3413 if [ "$cpu" != generic ]; then
3414 add_cflags $cpuflags
3415 add_asflags $cpuflags
3418 # compiler sanity check
3420 int main(void){ return 0; }
3422 if test "$?" != 0; then
3423 echo "$cc is unable to create an executable file."
3424 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3425 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3426 echo "Only do this if you know what cross compiling means."
3428 die "C compiler test failed."
3431 add_cppflags -D_ISOC99_SOURCE
3432 add_cxxflags -D__STDC_CONSTANT_MACROS
3433 check_cflags -std=c99
3434 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3437 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3441 check_host_cflags -std=c99
3442 check_host_cflags -Wall
3448 check_code cc "" "int test[2*($expr) - 1]" &&
3449 subarch=$arch64 || subarch=$arch32
3457 check_64bit mips mips64 '_MIPS_SIM > 1'
3461 check_64bit parisc parisc64 'sizeof(void *) > 4'
3465 check_64bit ppc ppc64 'sizeof(void *) > 4'
3469 check_64bit sparc sparc64 'sizeof(void *) > 4'
3473 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3474 if test "$subarch" = "x86_64"; then
3479 check_cc <<EOF && subarch="ppc64"
3480 int test[(int)sizeof(char*) - 7];
3486 enabled spic && enable_weak pic
3492 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3493 enabled shared && add_ldflags -Wl,-brtl
3496 prefix_default="/boot/common"
3497 network_extralibs="-lnetwork"
3501 SHFLAGS='-shared -Wl,-h,$$(@F)'
3502 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3503 network_extralibs="-lsocket -lnsl"
3504 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3505 # When using suncc to build, the Solaris linker will mark
3506 # an executable with each instruction set encountered by
3507 # the Solaris assembler. As our libraries contain their own
3508 # guards for processor-specific code, instead suppress
3509 # generation of the HWCAPS ELF section on Solaris x86 only.
3510 enabled_all suncc x86 &&
3511 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3512 add_ldflags -Wl,-M,mapfile
3513 nm_default='nm -P -g'
3517 oss_indev_extralibs="-lossaudio"
3518 oss_outdev_extralibs="-lossaudio"
3519 enabled gcc || check_ldflags -Wl,-zmuldefs
3524 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3526 oss_indev_extralibs="-lossaudio"
3527 oss_outdev_extralibs="-lossaudio"
3535 add_extralibs -lpoll -lgnugetopt
3539 gas="gas-preprocessor.pl $cc"
3540 enabled ppc && add_asflags -force_cpusubtype_ALL
3541 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3542 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3544 add_ldflags -Wl,-dynamic,-search_paths_first
3546 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3547 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3549 enabled x86_64 && objformat="macho64"
3550 enabled_any pic shared ||
3551 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3554 if test $target_os = "mingw32ce"; then
3560 if enabled x86_64; then
3561 LIBTARGET="i386:x86-64"
3562 elif enabled arm; then
3565 check_ldflags -Wl,--nxcompat
3566 check_ldflags -Wl,--dynamicbase
3567 shlibdir_default="$bindir_default"
3570 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3571 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3572 dlltool="${cross_prefix}dlltool"
3573 if check_cmd lib.exe -list; then
3574 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3575 if enabled x86_64; then
3578 elif check_cmd $dlltool --version; then
3579 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3581 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3583 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3584 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3585 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3591 if enabled shared; then
3592 # Link to the import library instead of the normal static library
3595 # Cannot build both shared and static libs with MSVC or icl.
3598 shlibdir_default="$bindir_default"
3601 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3602 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3603 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3604 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3606 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3607 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3608 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3615 shlibdir_default="$bindir_default"
3618 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3619 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3620 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3622 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3623 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3627 *-dos|freedos|opendos)
3628 network_extralibs="-lsocket"
3631 add_cppflags -U__STRICT_ANSI__
3638 ranlib="echo ignoring ranlib"
3644 add_cppflags -D_GNU_SOURCE
3645 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3646 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3650 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3651 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3652 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3653 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3654 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3655 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3656 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3657 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3658 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3659 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3660 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3662 enable_weak os2threads
3665 add_cppflags -D_BSD_SOURCE
3670 add_cppflags -D_QNX_SOURCE
3671 network_extralibs="-lsocket"
3676 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3677 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3678 add_ldflags -Wl,--target1-abs,--no-undefined \
3679 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3680 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3681 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3682 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3683 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3686 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3691 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3692 -D_REENTRANT_SOURCE \
3693 -D_RESEARCH_SOURCE \
3696 add_compat strtod.o strtod=avpriv_strtod
3697 network_extralibs='-lbsd'
3698 exeobjs=compat/plan9/main.o
3705 die "Unknown OS '$target_os'."
3709 # determine libc flavour
3711 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3712 if check_cpp_condition features.h "defined __UCLIBC__"; then
3714 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3715 elif check_cpp_condition features.h "defined __GLIBC__"; then
3717 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3718 # MinGW headers can be installed on Cygwin, so check for newlib first.
3719 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3721 add_cppflags -U__STRICT_ANSI__
3722 elif check_header _mingw.h; then
3724 check_cpp_condition _mingw.h \
3725 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3726 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3727 die "ERROR: MinGW runtime version must be >= 3.15."
3728 add_cppflags -U__STRICT_ANSI__
3729 if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3730 __MINGW64_VERSION_MAJOR < 3"; then
3731 add_compat msvcrt/snprintf.o
3732 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3734 add_cppflags -D__USE_MINGW_ANSI_STDIO=1
3736 elif check_func_headers stdlib.h _get_doserrno; then
3738 add_compat strtod.o strtod=avpriv_strtod
3739 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3740 _snprintf=avpriv_snprintf \
3741 vsnprintf=avpriv_vsnprintf
3742 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3743 # 0x601 by default unless something else is set by the user.
3744 # This can easily lead to us detecting functions only present
3745 # in such new versions and producing binaries requiring windows 7.0.
3746 # Therefore explicitly set the default to XP unless the user has
3747 # set something else on the command line.
3748 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
3749 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3751 elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3753 add_compat strtod.o strtod=avpriv_strtod
3756 test -n "$libc_type" && enable $libc_type
3758 # hacks for compiler/libc/os combinations
3760 if enabled_all tms470 glibc; then
3761 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3762 add_cppflags -D__USER_LABEL_PREFIX__=
3763 add_cppflags -D__builtin_memset=memset
3764 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3765 add_cflags -pds=48 # incompatible redefinition of macro
3768 if enabled_all ccc glibc; then
3769 add_ldflags -Wl,-z,now # calls to libots crash without this
3773 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3776 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3778 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3780 set_default $PATHS_LIST
3783 # we need to build at least one lib type
3784 if ! enabled_any static shared; then
3786 At least one library type must be built.
3787 Specify --enable-static to build the static libraries or --enable-shared to
3788 build the shared libraries as well. To only build the shared libraries specify
3789 --disable-static in addition to --enable-shared.
3794 # backward compatibility layer for incompatible_libav/fork_abi
3795 enabled incompatible_fork_abi && enable incompatible_libav_abi
3796 enabled incompatible_libav_abi && enable incompatible_fork_abi
3798 die_license_disabled() {
3799 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3802 die_license_disabled_gpl() {
3803 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3806 die_license_disabled gpl frei0r
3807 die_license_disabled gpl libcdio
3808 die_license_disabled gpl libutvideo
3809 die_license_disabled gpl libvidstab
3810 die_license_disabled gpl libx264
3811 die_license_disabled gpl libxavs
3812 die_license_disabled gpl libxvid
3813 die_license_disabled gpl libzvbi
3814 die_license_disabled gpl x11grab
3816 die_license_disabled nonfree libaacplus
3817 die_license_disabled nonfree libfaac
3818 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3819 enabled gpl && die_license_disabled_gpl nonfree openssl
3821 die_license_disabled version3 libopencore_amrnb
3822 die_license_disabled version3 libopencore_amrwb
3823 die_license_disabled version3 libvo_aacenc
3824 die_license_disabled version3 libvo_amrwbenc
3826 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3828 disabled optimizations || check_cflags -fomit-frame-pointer
3831 disabled pic && return
3834 case "$target_os" in
3844 enabled pic && enable_weak_pic
3846 check_cc <<EOF || die "Symbol mangling check failed."
3849 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3850 extern_prefix=${sym%%ff_extern*}
3852 check_cc <<EOF && enable_weak inline_asm
3853 void foo(void) { __asm__ volatile ("" ::); }
3857 for restrict_keyword in restrict __restrict__ __restrict; do
3858 check_cc <<EOF && _restrict=$restrict_keyword && break
3859 void foo(char * $restrict_keyword p);
3863 check_cc <<EOF && enable pragma_deprecated
3864 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3867 check_cc <<EOF && enable attribute_packed
3868 struct { int x; } __attribute__((packed)) x;
3871 check_cc <<EOF && enable attribute_may_alias
3872 union { int x; } __attribute__((may_alias)) x;
3875 check_cc <<EOF || die "endian test failed"
3876 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3878 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3880 check_inline_asm inline_asm_labels '"1:\n"'
3882 if enabled alpha; then
3886 elif enabled arm; then
3888 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
3889 float func(float a, float b){ return a+b; }
3892 enabled thumb && check_cflags -mthumb || check_cflags -marm
3895 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3897 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3898 case "${cross_prefix:-$cc}" in
3899 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3900 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3901 __asm__ (".eabi_attribute 28, 1");
3902 int main(void) { return 0; }
3905 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3908 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3909 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3910 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3911 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3912 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3913 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3915 [ $target_os = linux ] ||
3916 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3919 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3920 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3922 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
3924 elif enabled mips; then
3926 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3927 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3928 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
3929 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3930 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3931 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3932 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3933 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3934 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
3936 elif enabled parisc; then
3938 if enabled gcc; then
3939 case $($cc -dumpversion) in
3940 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3944 elif enabled ppc; then
3946 enable local_aligned_8 local_aligned_16
3948 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3949 check_inline_asm ibm_asm '"add 0, 0, 0"'
3950 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3951 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3953 # AltiVec flags: The FSF version of GCC differs from the Apple version
3954 if enabled altivec; then
3955 if ! enabled_any pic ppc64; then
3958 check_cflags -maltivec -mabi=altivec &&
3959 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3960 check_cflags -faltivec
3962 # check if our compiler supports Motorola AltiVec C API
3963 check_cc <<EOF || disable altivec
3966 vector signed int v1 = (vector signed int) { 0 };
3967 vector signed int v2 = (vector signed int) { 1 };
3968 v1 = vec_add(v1, v2);
3973 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3976 elif enabled sparc; then
3978 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
3980 elif enabled x86; then
3982 check_builtin rdtsc intrin.h "__rdtsc()"
3983 check_builtin mm_empty mmintrin.h "_mm_empty()"
3985 enable local_aligned_8 local_aligned_16
3987 # check whether EBP is available on x86
3988 # As 'i' is stored on the stack, this program will crash
3989 # if the base pointer is used to access it because the
3990 # base pointer is cleared in the inline assembly code.
3991 check_exec_crash <<EOF && enable ebp_available
3993 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3997 # check whether EBX is available on x86
3998 check_inline_asm ebx_available '""::"b"(0)' &&
3999 check_inline_asm ebx_available '"":::"%ebx"'
4001 # check whether xmm clobbers are supported
4002 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4004 # check whether binutils is new enough to compile SSSE3/MMXEXT
4005 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4006 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4008 if ! disabled_any asm mmx yasm; then
4009 if check_cmd $yasmexe --version; then
4010 enabled x86_64 && yasm_extra="-m amd64"
4011 yasm_debug="-g dwarf2"
4012 elif check_cmd nasm -v; then
4014 yasm_debug="-g -F dwarf"
4015 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4018 YASMFLAGS="-f $objformat $yasm_extra"
4019 enabled pic && append YASMFLAGS "-DPIC"
4020 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4021 case "$objformat" in
4022 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4025 check_yasm "movbe ecx, [5]" && enable yasm ||
4026 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4027 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4028 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4029 check_yasm "CPU amdnop" && enable cpunop
4033 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4040 if enabled asm; then
4042 check_as <<EOF && enable gnu_as || \
4043 $nogas "GNU assembler not found, install gas-preprocessor"
4051 check_ldflags -Wl,--as-needed
4053 if check_func dlopen; then
4055 elif check_func dlopen -ldl; then
4059 if ! disabled network; then
4060 check_type "sys/types.h sys/socket.h" socklen_t
4061 check_type netdb.h "struct addrinfo"
4062 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4063 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4064 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4065 check_type netinet/in.h "struct sockaddr_in6"
4066 check_type poll.h "struct pollfd"
4067 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4068 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4069 check_type netinet/sctp.h "struct sctp_event_subscribe"
4070 check_func getaddrinfo $network_extralibs
4071 check_func getservbyport $network_extralibs
4072 # Prefer arpa/inet.h over winsock2
4073 if check_header arpa/inet.h ; then
4074 check_func closesocket
4075 elif check_header winsock2.h ; then
4076 check_func_headers winsock2.h closesocket -lws2 &&
4077 network_extralibs="-lws2" ||
4078 { check_func_headers winsock2.h closesocket -lws2_32 &&
4079 network_extralibs="-lws2_32"; }
4080 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4081 check_type ws2tcpip.h socklen_t
4082 check_type ws2tcpip.h "struct addrinfo"
4083 check_type ws2tcpip.h "struct group_source_req"
4084 check_type ws2tcpip.h "struct ip_mreq_source"
4085 check_type ws2tcpip.h "struct ipv6_mreq"
4086 check_type winsock2.h "struct pollfd"
4087 check_type ws2tcpip.h "struct sockaddr_in6"
4088 check_type ws2tcpip.h "struct sockaddr_storage"
4089 check_struct winsock2.h "struct sockaddr" sa_len
4095 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4096 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4099 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4102 check_func_headers stdlib.h getenv
4103 check_func gethrtime
4105 check_func getrusage
4106 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4107 check_func gettimeofday
4108 check_func inet_aton $network_extralibs
4110 check_func localtime_r
4111 check_func ${malloc_prefix}memalign && enable memalign
4115 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4116 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4117 check_func setrlimit
4118 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4119 check_func strerror_r
4120 check_func sched_getaffinity
4121 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4122 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4123 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4124 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4125 check_builtin sarestart signal.h "SA_RESTART"
4129 check_func_headers conio.h kbhit
4130 check_func_headers windows.h PeekNamedPipe
4131 check_func_headers io.h setmode
4132 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4133 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4134 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4135 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4136 check_func_headers windows.h GetProcessAffinityMask
4137 check_func_headers windows.h GetProcessTimes
4138 check_func_headers windows.h GetSystemTimeAsFileTime
4139 check_func_headers windows.h MapViewOfFile
4140 check_func_headers windows.h SetConsoleTextAttribute
4141 check_func_headers windows.h Sleep
4142 check_func_headers windows.h VirtualAlloc
4143 check_func_headers glob.h glob
4144 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4146 check_header cl/cl.h
4147 check_header direct.h
4148 check_header dlfcn.h
4150 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4152 check_header libcrystalhd/libcrystalhd_if.h
4153 check_header malloc.h
4155 check_header sys/mman.h
4156 check_header sys/param.h
4157 check_header sys/resource.h
4158 check_header sys/select.h
4159 check_header sys/time.h
4160 check_header sys/un.h
4161 check_header termios.h
4162 check_header unistd.h
4163 check_header vdpau/vdpau.h
4164 check_header vdpau/vdpau_x11.h
4165 check_header VideoDecodeAcceleration/VDADecoder.h
4166 check_header windows.h
4167 check_header X11/extensions/XvMClib.h
4168 check_header asm/types.h
4170 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4171 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4173 if ! disabled w32threads && ! enabled pthreads; then
4174 check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
4177 # check for some common methods of building with pthread support
4178 # do this before the optional library checks as some of them require pthreads
4179 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4181 if check_func pthread_create; then
4183 elif check_func pthread_create -pthread; then
4185 add_extralibs -pthread
4186 elif check_func pthread_create -pthreads; then
4187 add_cflags -pthreads
4188 add_extralibs -pthreads
4189 elif check_func pthread_create -lpthreadGC2; then
4190 add_extralibs -lpthreadGC2
4191 elif ! check_lib pthread.h pthread_create -lpthread; then
4196 for thread in $THREADS_LIST; do
4197 if enabled $thread; then
4198 test -n "$thread_type" &&
4199 die "ERROR: Only one thread type must be selected." ||
4200 thread_type="$thread"
4204 if enabled pthreads; then
4205 check_func pthread_cancel
4208 enabled sync_val_compare_and_swap && enable atomics_gcc
4209 enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
4210 enabled MemoryBarrier && enable atomics_win32
4212 check_lib math.h sin -lm && LIBM="-lm"
4213 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4219 for func in $MATH_FUNCS; do
4220 eval check_mathfunc $func \${${func}_args:-1}
4223 # these are off by default, so fail if requested and not available
4224 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4225 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4226 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4227 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4228 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4229 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4230 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4231 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4232 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4233 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4234 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4235 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4236 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4237 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4238 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4239 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4240 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4241 flite_libs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
4242 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4243 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
4244 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4245 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4246 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4247 done || die "ERROR: libgsm not found"; }
4248 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4249 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4250 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4251 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4252 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4253 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4254 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4255 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4256 check_lib openjpeg.h opj_version -lopenjpeg ||
4257 die "ERROR: libopenjpeg not found"; }
4258 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4259 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4260 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4261 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4262 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4263 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4264 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4265 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4266 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4267 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4268 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4269 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4270 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4271 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4272 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4273 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4274 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4275 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4276 enabled libvidstab && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4277 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4278 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4279 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4281 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4282 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4283 enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
4284 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4285 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4286 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
4287 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4288 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4289 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4290 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4291 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4292 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4293 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4294 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4295 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4296 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4297 die "ERROR: openal not found"; } &&
4298 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4299 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4300 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4301 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4302 die "ERROR: opencl not found"; } &&
4303 { ! enabled_any w32threads os2threads ||
4304 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4305 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4306 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4307 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4308 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4309 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4310 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4311 die "ERROR: openssl not found"; }
4313 if enabled gnutls; then
4314 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4315 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4319 if enabled libdc1394; then
4320 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4321 enable libdc1394_2; } ||
4322 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4323 enable libdc1394_1; } ||
4324 die "ERROR: No version of libdc1394 found "
4327 SDL_CONFIG="${cross_prefix}sdl-config"
4328 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4329 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4330 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4333 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4334 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4335 sdl_libs=$("${SDL_CONFIG}" --libs)
4336 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4337 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4338 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4342 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4344 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4345 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4346 perl --version > /dev/null 2>&1 && enable perl || disable perl
4347 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4348 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4350 check_header linux/fb.h
4351 check_header linux/videodev.h
4352 check_header linux/videodev2.h
4353 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4355 check_header sys/videoio.h
4357 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4358 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4359 # w32api 3.12 had it defined wrong
4360 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4362 check_type "dshow.h" IBaseFilter
4364 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4365 { check_header dev/bktr/ioctl_meteor.h &&
4366 check_header dev/bktr/ioctl_bt848.h; } ||
4367 { check_header machine/ioctl_meteor.h &&
4368 check_header machine/ioctl_bt848.h; } ||
4369 { check_header dev/video/meteor/ioctl_meteor.h &&
4370 check_header dev/video/bktr/ioctl_bt848.h; } ||
4371 check_header dev/ic/bt8xx.h
4373 check_header sndio.h
4374 if check_struct sys/soundcard.h audio_buf_info bytes; then
4375 enable_safe sys/soundcard.h
4377 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4378 #include <sys/soundcard.h>
4382 check_header soundcard.h
4384 enabled_any alsa_indev alsa_outdev &&
4385 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4387 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4388 check_func jack_port_get_latency_range -ljack
4390 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4392 if enabled libcdio; then
4393 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4394 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4395 die "ERROR: libcdio-paranoia not found"
4399 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
4400 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4401 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
4404 check_lib va/va.h vaInitialize -lva ||
4408 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4411 # Funny iconv installations are not unusual, so check it after all flags have been set
4412 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4414 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4416 # add some useful compiler flags if supported
4417 check_cflags -Wdeclaration-after-statement
4419 check_cflags -Wno-parentheses
4420 check_cflags -Wno-switch
4421 check_cflags -Wno-format-zero-length
4422 check_cflags -Wdisabled-optimization
4423 check_cflags -Wpointer-arith
4424 check_cflags -Wredundant-decls
4425 check_cflags -Wno-pointer-sign
4426 check_cflags -Wwrite-strings
4427 check_cflags -Wtype-limits
4428 check_cflags -Wundef
4429 check_cflags -Wmissing-prototypes
4430 check_cflags -Wno-pointer-to-int-cast
4431 check_cflags -Wstrict-prototypes
4432 enabled extra_warnings && check_cflags -Winline
4433 enabled extra_warnings || check_cflags -Wno-maybe-uninitialized
4435 # add some linker flags
4436 check_ldflags -Wl,--warn-common
4437 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4438 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4440 enabled xmm_clobber_test &&
4441 check_ldflags -Wl,--wrap,avcodec_open2 \
4442 -Wl,--wrap,avcodec_decode_audio4 \
4443 -Wl,--wrap,avcodec_decode_video2 \
4444 -Wl,--wrap,avcodec_decode_subtitle2 \
4445 -Wl,--wrap,avcodec_encode_audio2 \
4446 -Wl,--wrap,avcodec_encode_video \
4447 -Wl,--wrap,avcodec_encode_video2 \
4448 -Wl,--wrap,avcodec_encode_subtitle \
4449 -Wl,--wrap,sws_scale ||
4450 disable xmm_clobber_test
4453 if test_ldflags -Wl,--version-script,$TMPV; then
4454 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4455 check_cc <<EOF && enable symver_asm_label
4456 void ff_foo(void) __asm__ ("av_foo@VERSION");
4457 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4459 check_cc <<EOF && enable symver_gnu_asm
4460 __asm__(".symver ff_foo,av_foo@VERSION");
4461 void ff_foo(void) {}
4465 if [ -z "$optflags" ]; then
4466 if enabled small; then
4467 optflags=$cflags_size
4468 elif enabled optimizations; then
4469 optflags=$cflags_speed
4471 optflags=$cflags_noopt
4477 enabled lto && check_ldflags "$@"
4481 if enabled lto; then
4482 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4484 check_ldflags -flto $cpuflags
4487 check_optflags $optflags
4488 check_optflags -fno-math-errno
4489 check_optflags -fno-signed-zeros
4491 enabled ftrapv && check_cflags -ftrapv
4493 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4498 if enabled icc; then
4499 # Just warnings, no remarks
4501 # -wd: Disable following warnings
4502 # 144, 167, 556: -Wno-pointer-sign
4503 # 188: enumerated type mixed with another type
4504 # 1292: attribute "foo" ignored
4505 # 1419: external declaration in primary source file
4506 # 10006: ignoring unknown option -fno-signed-zeros
4507 # 10148: ignoring unknown option -Wno-parentheses
4508 # 10156: ignoring option '-W'; no argument required
4509 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4510 # 11030: Warning unknown option --as-needed
4511 # 10156: ignoring option '-export'; no argument required
4512 check_ldflags -wd10156,11030
4513 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4514 enable ebp_available
4515 if enabled x86_32; then
4516 icc_version=$($cc -dumpversion)
4517 test ${icc_version%%.*} -ge 11 &&
4518 check_cflags -falign-stack=maintain-16-byte ||
4519 disable aligned_stack
4521 elif enabled ccc; then
4522 # disable some annoying warnings
4523 add_cflags -msg_disable bitnotint
4524 add_cflags -msg_disable mixfuncvoid
4525 add_cflags -msg_disable nonstandcast
4526 add_cflags -msg_disable unsupieee
4527 elif enabled gcc; then
4528 check_optflags -fno-tree-vectorize
4529 check_cflags -Werror=implicit-function-declaration
4530 check_cflags -Werror=missing-prototypes
4531 check_cflags -Werror=return-type
4532 check_cflags -Werror=vla
4533 elif enabled llvm_gcc; then
4534 check_cflags -mllvm -stack-alignment=16
4535 elif enabled clang; then
4536 check_cflags -mllvm -stack-alignment=16
4537 check_cflags -Qunused-arguments
4538 check_cflags -Werror=implicit-function-declaration
4539 check_cflags -Werror=missing-prototypes
4540 check_cflags -Werror=return-type
4541 elif enabled cparser; then
4542 add_cflags -Wno-missing-variable-declarations
4543 add_cflags -Wno-empty-statement
4544 elif enabled armcc; then
4545 # 2523: use of inline assembler is deprecated
4546 add_cflags -W${armcc_opt},--diag_suppress=2523
4547 add_cflags -W${armcc_opt},--diag_suppress=1207
4548 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4549 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4550 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4551 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4552 elif enabled tms470; then
4553 add_cflags -pds=824 -pds=837
4554 elif enabled pathscale; then
4555 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4556 elif enabled_any msvc icl; then
4557 enabled x86_32 && disable aligned_stack
4558 enabled_all x86_32 debug && add_cflags -Oy-
4559 enabled debug && add_ldflags -debug
4560 enable pragma_deprecated
4561 if enabled icl; then
4562 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4563 # (correctly) on icl 13.x.
4564 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4565 add_cflags -Qansi-alias
4566 # icl will pass the inline asm tests but inline asm is currently
4567 # not supported (build will fail)
4568 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4575 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4578 add_cppflags -Dmain=plan9_main
4582 enable frame_thread_encoder
4583 enabled_any $THREADS_LIST && enable threads
4584 enabled_any $ATOMICS_LIST && enable atomics_native
4586 enabled threads && ! enabled pthreads && ! enabled atomics_native && die "non pthread threading without atomics not supported, try adding --enable-pthreads or --cpu=i486 or higher if you are on x86"
4588 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4590 check_deps $CONFIG_LIST \
4596 if test $target_os = "haiku"; then
4598 disable posix_memalign
4601 ! enabled_any memalign posix_memalign aligned_malloc &&
4602 enabled_any $need_memalign && enable memalign_hack
4605 # -> enable ${lib}_deps_${dep}
4606 # -> add $dep to ${lib}_deps only once
4610 enabled "${lib}_deps_${dep}" && return 0
4611 enable "${lib}_deps_${dep}"
4612 prepend "${lib}_deps" $dep
4615 # merge deps lib components
4616 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4621 enabled $comp || continue
4622 eval "dep=\"\$${comp}_deps\""
4629 merge_deps libavfilter $FILTER_LIST
4631 echo "install prefix $prefix"
4632 echo "source path $source_path"
4633 echo "C compiler $cc"
4634 echo "ARCH $arch ($cpu)"
4635 if test "$build_suffix" != ""; then
4636 echo "build suffix $build_suffix"
4638 if test "$progs_suffix" != ""; then
4639 echo "progs suffix $progs_suffix"
4641 if test "$extra_version" != ""; then
4642 echo "version string suffix $extra_version"
4644 echo "big-endian ${bigendian-no}"
4645 echo "runtime cpu detection ${runtime_cpudetect-no}"
4646 if enabled x86; then
4647 echo "${yasmexe} ${yasm-no}"
4648 echo "MMX enabled ${mmx-no}"
4649 echo "MMXEXT enabled ${mmxext-no}"
4650 echo "3DNow! enabled ${amd3dnow-no}"
4651 echo "3DNow! extended enabled ${amd3dnowext-no}"
4652 echo "SSE enabled ${sse-no}"
4653 echo "SSSE3 enabled ${ssse3-no}"
4654 echo "AVX enabled ${avx-no}"
4655 echo "FMA4 enabled ${fma4-no}"
4656 echo "i686 features enabled ${i686-no}"
4657 echo "CMOV is fast ${fast_cmov-no}"
4658 echo "EBX available ${ebx_available-no}"
4659 echo "EBP available ${ebp_available-no}"
4661 if enabled arm; then
4662 echo "ARMv5TE enabled ${armv5te-no}"
4663 echo "ARMv6 enabled ${armv6-no}"
4664 echo "ARMv6T2 enabled ${armv6t2-no}"
4665 echo "VFP enabled ${vfp-no}"
4666 echo "NEON enabled ${neon-no}"
4667 echo "THUMB enabled ${thumb-no}"
4669 if enabled mips; then
4670 echo "MIPS FPU enabled ${mipsfpu-no}"
4671 echo "MIPS32R2 enabled ${mips32r2-no}"
4672 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4673 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4675 if enabled ppc; then
4676 echo "AltiVec enabled ${altivec-no}"
4677 echo "PPC 4xx optimizations ${ppc4xx-no}"
4678 echo "dcbzl available ${dcbzl-no}"
4680 if enabled sparc; then
4681 echo "VIS enabled ${vis-no}"
4683 echo "debug symbols ${debug-no}"
4684 echo "strip symbols ${stripping-no}"
4685 echo "optimize for size ${small-no}"
4686 echo "optimizations ${optimizations-no}"
4687 echo "static ${static-no}"
4688 echo "shared ${shared-no}"
4689 echo "postprocessing support ${postproc-no}"
4690 echo "new filter support ${avfilter-no}"
4691 echo "network support ${network-no}"
4692 echo "threading support ${thread_type-no}"
4693 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4694 echo "SDL support ${sdl-no}"
4695 echo "opencl enabled ${opencl-no}"
4696 echo "libzvbi enabled ${libzvbi-no}"
4697 echo "texi2html enabled ${texi2html-no}"
4698 echo "perl enabled ${perl-no}"
4699 echo "pod2man enabled ${pod2man-no}"
4700 echo "makeinfo enabled ${makeinfo-no}"
4701 test -n "$random_seed" &&
4702 echo "random seed ${random_seed}"
4705 echo "External libraries:"
4706 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4709 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4710 echo "Enabled ${type}s:"
4711 eval list=\$$(toupper $type)_LIST
4712 print_enabled '_*' $list | print_3_columns
4716 license="LGPL version 2.1 or later"
4717 if enabled nonfree; then
4718 license="nonfree and unredistributable"
4719 elif enabled gplv3; then
4720 license="GPL version 3 or later"
4721 elif enabled lgplv3; then
4722 license="LGPL version 3 or later"
4723 elif enabled gpl; then
4724 license="GPL version 2 or later"
4727 echo "License: $license"
4729 echo "Creating config.mak, config.h, and doc/config.texi..."
4731 test -e Makefile || $ln_s "$source_path/Makefile" .
4733 enabled stripping || strip="echo skipping strip"
4735 config_files="$TMPH config.mak doc/config.texi"
4737 cat > config.mak <<EOF
4738 # Automatically generated by configure - do not modify!
4739 ifndef FFMPEG_CONFIG_MAK
4741 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4743 LIBDIR=\$(DESTDIR)$libdir
4744 SHLIBDIR=\$(DESTDIR)$shlibdir
4745 INCDIR=\$(DESTDIR)$incdir
4746 BINDIR=\$(DESTDIR)$bindir
4747 DATADIR=\$(DESTDIR)$datadir
4748 DOCDIR=\$(DESTDIR)$docdir
4749 MANDIR=\$(DESTDIR)$mandir
4750 SRC_PATH=$source_path
4751 ifndef MAIN_MAKEFILE
4752 SRC_PATH:=\$(SRC_PATH:.%=..%)
4761 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4763 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4789 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4790 YASMFLAGS=$YASMFLAGS
4791 BUILDSUF=$build_suffix
4792 PROGSSUF=$progs_suffix
4800 EXTRA_VERSION=$extra_version
4803 CCDEP_FLAGS=$CCDEP_FLAGS
4805 ASDEP_FLAGS=$ASDEP_FLAGS
4806 CC_DEPFLAGS=$CC_DEPFLAGS
4807 AS_DEPFLAGS=$AS_DEPFLAGS
4810 HOSTCFLAGS=$host_cflags
4811 HOSTCPPFLAGS=$host_cppflags
4812 HOSTEXESUF=$HOSTEXESUF
4813 HOSTLDFLAGS=$host_ldflags
4816 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4817 HOSTCCDEP=$HOSTCCDEP
4818 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4819 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4823 TARGET_EXEC=$target_exec $target_exec_args
4824 TARGET_PATH=$target_path
4825 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
4826 LIBS-ffplay=$sdl_libs
4827 CFLAGS-ffplay=$sdl_cflags
4828 ZLIB=$($ldflags_filter -lz)
4829 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4830 EXTRALIBS=$extralibs
4831 COMPAT_OBJS=$compat_objs
4834 LIBTARGET=${LIBTARGET}
4835 SLIBNAME=${SLIBNAME}
4836 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4837 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4838 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4839 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4840 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4841 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4842 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4843 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4844 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4845 NOREDZONE_FLAGS=$noredzone_flags
4850 name=$(toupper $lcname)
4851 file=$source_path/$lcname/version.h
4852 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4853 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4854 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4855 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4856 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4859 map 'get_version $v' $LIBRARY_LIST
4862 /* Automatically generated by configure - do not modify! */
4863 #ifndef FFMPEG_CONFIG_H
4864 #define FFMPEG_CONFIG_H
4865 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4866 #define FFMPEG_LICENSE "$(c_escape $license)"
4867 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4868 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4869 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4870 #define av_restrict $_restrict
4871 #define EXTERN_PREFIX "${extern_prefix}"
4872 #define EXTERN_ASM ${extern_prefix}
4873 #define SLIBSUF "$SLIBSUF"
4874 #define HAVE_MMX2 HAVE_MMXEXT
4877 test -n "$assert_level" &&
4878 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4880 test -n "$malloc_prefix" &&
4881 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4883 if enabled yasm; then
4884 append config_files $TMPASM
4888 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
4892 echo "@c auto-generated by configure" > doc/config.texi
4894 print_config ARCH_ "$config_files" $ARCH_LIST
4895 print_config HAVE_ "$config_files" $HAVE_LIST
4896 print_config CONFIG_ "$config_files" $CONFIG_LIST \
4900 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4901 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4903 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4904 cp_if_changed $TMPH config.h
4907 enabled yasm && cp_if_changed $TMPASM config.asm
4910 /* Generated by ffconf */
4911 #ifndef AVUTIL_AVCONFIG_H
4912 #define AVUTIL_AVCONFIG_H
4915 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4917 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4919 cp_if_changed $TMPH libavutil/avconfig.h
4921 if test -n "$WARNINGS"; then
4922 printf "\n$WARNINGS"
4923 enabled fatal_warnings && exit 1
4926 # build pkg-config files
4928 pkgconfig_generate(){
4930 shortname=${name#lib}${build_suffix}
4935 enabled ${name#lib} || return 0
4937 cat <<EOF > $name/$name${build_suffix}.pc
4939 exec_prefix=\${prefix}
4944 Description: $comment
4946 Requires: $(enabled shared || echo $requires)
4947 Requires.private: $(enabled shared && echo $requires)
4949 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4950 Libs.private: $(enabled shared && echo $libs)
4951 Cflags: -I\${includedir}
4954 mkdir -p doc/examples/pc-uninstalled
4955 includedir=${source_path}
4956 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4957 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4960 libdir=\${pcfiledir}/../../../$name
4961 includedir=${includedir}
4964 Description: $comment
4968 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
4969 Cflags: -I\${includedir}
4973 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4974 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
4975 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
4976 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
4977 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
4978 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
4979 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
4980 lavfi_libs=${lavfi_libs%, }
4982 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
4983 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
4985 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4986 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4987 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
4988 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
4989 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
4990 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4991 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4992 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4993 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4995 fix_ffmpeg_remote(){
4998 fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
4999 if [ "$fixme_remote" != "" ]; then
5001 Outdated domain in git config, the official domain for ffmpeg git is since
5002 November 2011, source.ffmpeg.org, both the old and the new point to the same
5003 repository and server. To update it enter the following commands:
5005 for remote in $fixme_remote; do
5006 echolog "git remote set-url $remote $git_remote_to"
5011 if test -f "$source_path/.git/config"; then
5012 remote_from=git.videolan.org
5013 remote_to=source.ffmpeg.org
5014 fix_ffmpeg_remote git@$remote_from:ffmpeg git@$remote_to:ffmpeg
5015 fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg