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 "$@" <<EOF && append CPPFLAGS "$@"
862 set -- $($cflags_filter "$@")
869 log check_cflags "$@"
870 test_cflags "$@" && add_cflags "$@"
874 log check_cxxflags "$@"
875 set -- $($cflags_filter "$@")
876 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
882 log test_ldflags "$@"
883 check_ld "cc" "$@" <<EOF
884 int main(void){ return 0; }
889 log check_ldflags "$@"
890 test_ldflags "$@" && add_ldflags "$@"
894 log check_header "$@"
898 check_cpp "$@" <<EOF && enable_safe $header
909 check_ld "cc" "$@" <<EOF && enable $func
911 int main(void){ $func(); }
916 log check_mathfunc "$@"
920 test $narg = 2 && args="f, g" || args="f"
922 check_ld "cc" "$@" <<EOF && enable $func
924 float foo(float f, float g) { return $func($args); }
925 int main(void){ return (int) foo; }
929 check_func_headers(){
930 log check_func_headers "$@"
935 for hdr in $headers; do
936 echo "#include <$hdr>"
938 for func in $funcs; do
939 echo "long check_$func(void) { return (long) $func; }"
941 echo "int main(void) { return 0; }"
942 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
945 check_class_headers_cpp(){
946 log check_class_headers_cpp "$@"
951 for hdr in $headers; do
952 echo "#include <$hdr>"
954 echo "int main(void) { "
956 for class in $classes; do
961 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
964 check_cpp_condition(){
965 log check_cpp_condition "$@"
972 #error "unsatisfied condition: $condition"
982 check_header $header && check_func $func "$@" && add_extralibs "$@"
990 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
994 log check_lib_cpp "$@"
998 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1002 log check_pkg_config "$@"
1007 check_cmd $pkg_config --exists --print-errors $pkg || return
1008 pkg_cflags=$($pkg_config --cflags $pkg)
1009 pkg_libs=$($pkg_config --libs $pkg)
1010 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1011 set_safe ${pkg}_cflags $pkg_cflags &&
1012 set_safe ${pkg}_libs $pkg_libs
1016 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1022 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1023 # are safe but may not be available everywhere. Thus we use
1024 # raise(SIGTERM) instead. The check is run in a subshell so we
1025 # can redirect the "Terminated" message from the shell. SIGBUS
1026 # is not defined by standard C so it is used conditionally.
1028 (check_exec "$@") >> $logfile 2>&1 <<EOF
1030 static void sighandler(int sig){
1036 int (*func_ptr)(void) = foo;
1038 signal(SIGILL, sighandler);
1039 signal(SIGFPE, sighandler);
1040 signal(SIGSEGV, sighandler);
1042 signal(SIGBUS, sighandler);
1054 disable_safe "$type"
1055 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1059 log check_struct "$@"
1064 disable_safe "${struct}_${member}"
1065 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1066 enable_safe "${struct}_${member}"
1070 log check_builtin "$@"
1076 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1084 check_lib $header $func "$@" || die "ERROR: $name not found"
1092 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1100 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1103 require_pkg_config(){
1105 check_pkg_config "$@" || die "ERROR: $pkg not found"
1106 add_cflags $(get_safe ${pkg}_cflags)
1107 add_extralibs $(get_safe ${pkg}_libs)
1111 eval printf '%s\\n' $HOSTCC_O
1115 log check_host_cc "$@"
1118 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1121 check_host_cppflags(){
1122 log check_host_cppflags "$@"
1123 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1128 check_host_cflags(){
1129 log check_host_cflags "$@"
1130 set -- $($host_cflags_filter "$@")
1131 check_host_cc "$@" <<EOF && append host_cflags "$@"
1139 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1143 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1144 mkdir -p "$(dirname $2)"
1148 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1149 # system-dependent things.
1165 EXTERNAL_LIBRARY_LIST="
1265 $EXTERNAL_LIBRARY_LIST
1278 incompatible_libav_abi
1279 incompatible_fork_abi
1290 safe_bitstream_reader
1387 incompatible_libav_abi
1388 incompatible_fork_abi
1421 $(add_suffix _external $ARCH_EXT_LIST)
1422 $(add_suffix _inline $ARCH_EXT_LIST)
1442 cdio_paranoia_paranoia_h
1450 dev_bktr_ioctl_bt848_h
1451 dev_bktr_ioctl_meteor_h
1453 dev_video_bktr_ioctl_bt848_h
1454 dev_video_meteor_ioctl_meteor_h
1470 GetProcessAffinityMask
1471 GetProcessMemoryInfo
1473 GetSystemTimeAsFileTime
1485 jack_port_get_latency_range
1495 machine_ioctl_bt848_h
1496 machine_ioctl_meteor_h
1509 openjpeg_1_5_openjpeg_h
1522 SetConsoleTextAttribute
1531 struct_group_source_req
1532 struct_ip_mreq_source
1535 struct_rusage_ru_maxrss
1536 struct_sctp_event_subscribe
1538 struct_sockaddr_sa_len
1539 struct_sockaddr_storage
1540 struct_stat_st_mtim_tv_nsec
1541 struct_v4l2_frmivalenum_discrete
1544 sync_val_compare_and_swap
1568 # options emitted with CONFIG_ prefix but not available on the command line
1575 frame_thread_encoder
1677 # code dependency declarations
1679 # architecture extensions
1688 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1691 mips32r2_deps="mips"
1692 mipsdspr1_deps="mips"
1693 mipsdspr2_deps="mips"
1701 x86_64_select="i686"
1702 x86_64_suggest="fast_cmov"
1705 amd3dnowext_deps="amd3dnow"
1718 mmx_external_deps="yasm"
1719 mmx_inline_deps="inline_asm"
1720 mmx_suggest="mmx_external mmx_inline"
1722 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1723 eval dep=\$${ext}_deps
1724 eval ${ext}_external_deps='"${dep}_external"'
1725 eval ${ext}_inline_deps='"${dep}_inline"'
1726 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1729 aligned_stack_if_any="ppc x86"
1730 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1731 fast_clz_if_any="alpha avr32 mips ppc x86"
1732 fast_unaligned_if_any="ppc x86"
1734 inline_asm_deps="!tms470"
1735 need_memalign="altivec neon sse"
1737 symver_if_any="symver_asm_label symver_gnu_asm"
1743 error_resilience_select="dsputil"
1744 frame_thread_encoder_deps="encoders threads"
1745 lpc_select="dsputil"
1748 mpegaudio_select="mpegaudiodsp"
1749 mpegaudiodsp_select="dct"
1750 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1751 mpegvideoenc_select="mpegvideo"
1753 # decoders / encoders
1754 aac_decoder_select="mdct sinewin"
1755 aac_encoder_select="audio_frame_queue mdct sinewin"
1756 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1757 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1758 ac3_encoder_select="mdct ac3dsp dsputil"
1759 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1760 aic_decoder_select="dsputil golomb"
1761 alac_encoder_select="lpc"
1762 als_decoder_select="dsputil"
1763 amrnb_decoder_select="lsp"
1764 amrwb_decoder_select="lsp"
1765 amv_decoder_select="dsputil hpeldsp exif"
1766 amv_encoder_select="aandcttables"
1767 ape_decoder_select="dsputil"
1768 asv1_decoder_select="dsputil"
1769 asv1_encoder_select="dsputil"
1770 asv2_decoder_select="dsputil"
1771 asv2_encoder_select="dsputil"
1772 atrac1_decoder_select="mdct sinewin"
1773 atrac3_decoder_select="mdct"
1774 avrn_decoder_select="exif"
1775 bink_decoder_select="dsputil hpeldsp"
1776 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1777 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1778 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1779 cllc_decoder_select="dsputil"
1780 comfortnoise_encoder_select="lpc"
1781 cook_decoder_select="dsputil mdct sinewin"
1782 cscd_decoder_select="lzo"
1783 cscd_decoder_suggest="zlib"
1784 dca_decoder_select="mdct"
1785 dirac_decoder_select="dsputil dwt golomb videodsp"
1786 dnxhd_decoder_select="dsputil"
1787 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1788 dvvideo_decoder_select="dsputil"
1789 dvvideo_encoder_select="dsputil"
1790 dxa_decoder_select="zlib"
1791 eac3_decoder_select="ac3_decoder"
1792 eac3_encoder_select="ac3_encoder"
1793 eamad_decoder_select="aandcttables dsputil mpegvideo"
1794 eatgq_decoder_select="aandcttables"
1795 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1796 exr_decoder_select="zlib"
1797 ffv1_decoder_select="dsputil golomb rangecoder"
1798 ffv1_encoder_select="dsputil rangecoder"
1799 ffvhuff_decoder_select="dsputil"
1800 ffvhuff_encoder_select="dsputil huffman"
1801 flac_decoder_select="golomb"
1802 flac_encoder_select="dsputil golomb lpc"
1803 flashsv_decoder_select="zlib"
1804 flashsv_encoder_select="zlib"
1805 flashsv2_encoder_select="zlib"
1806 flashsv2_decoder_select="zlib"
1807 flv_decoder_select="h263_decoder"
1808 flv_encoder_select="h263_encoder"
1809 fourxm_decoder_select="dsputil"
1810 fraps_decoder_select="dsputil huffman"
1811 g2m_decoder_select="dsputil zlib"
1812 g729_decoder_select="dsputil"
1813 h261_decoder_select="error_resilience mpegvideo"
1814 h261_encoder_select="aandcttables mpegvideoenc"
1815 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
1816 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1817 h263i_decoder_select="h263_decoder"
1818 h263p_encoder_select="h263_encoder"
1819 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1820 h264_decoder_suggest="error_resilience"
1821 hevc_decoder_select="dsputil golomb videodsp"
1822 huffyuv_decoder_select="dsputil"
1823 huffyuv_encoder_select="dsputil huffman"
1824 iac_decoder_select="dsputil fft mdct sinewin"
1825 imc_decoder_select="dsputil fft mdct sinewin"
1826 indeo3_decoder_select="hpeldsp"
1827 interplay_video_decoder_select="hpeldsp"
1828 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1829 jpegls_encoder_select="golomb"
1830 jv_decoder_select="dsputil"
1831 lagarith_decoder_select="dsputil"
1832 ljpeg_encoder_select="aandcttables mpegvideoenc"
1833 loco_decoder_select="golomb"
1834 mdec_decoder_select="dsputil error_resilience mpegvideo"
1835 metasound_decoder_select="lsp mdct sinewin"
1836 mimic_decoder_select="dsputil hpeldsp"
1837 mjpeg_decoder_select="dsputil hpeldsp exif"
1838 mjpegb_decoder_select="dsputil hpeldsp exif"
1839 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1840 mlp_decoder_select="dsputil mlp_parser"
1841 motionpixels_decoder_select="dsputil"
1842 mp1_decoder_select="mpegaudio"
1843 mp1float_decoder_select="mpegaudio"
1844 mp2_decoder_select="mpegaudio"
1845 mp2float_decoder_select="mpegaudio"
1846 mp3_decoder_select="mpegaudio"
1847 mp3adu_decoder_select="mpegaudio"
1848 mp3adufloat_decoder_select="mpegaudio"
1849 mp3float_decoder_select="mpegaudio"
1850 mp3on4_decoder_select="mpegaudio"
1851 mp3on4float_decoder_select="mpegaudio"
1852 mpc7_decoder_select="dsputil mpegaudiodsp"
1853 mpc8_decoder_select="dsputil mpegaudiodsp"
1854 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1855 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1856 mpeg1video_decoder_select="error_resilience mpegvideo"
1857 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1858 mpeg2video_decoder_select="error_resilience mpegvideo"
1859 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1860 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1861 mpeg4_encoder_select="h263_encoder"
1862 msmpeg4v1_decoder_select="h263_decoder"
1863 msmpeg4v2_decoder_select="h263_decoder"
1864 msmpeg4v2_encoder_select="h263_encoder"
1865 msmpeg4v3_decoder_select="h263_decoder"
1866 msmpeg4v3_encoder_select="h263_encoder"
1867 mss2_decoder_select="error_resilience vc1_decoder"
1868 mxpeg_decoder_select="dsputil hpeldsp exif"
1869 nellymoser_decoder_select="mdct sinewin"
1870 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1871 nuv_decoder_select="dsputil lzo"
1872 png_decoder_select="zlib"
1873 png_encoder_select="dsputil zlib"
1874 prores_decoder_select="dsputil"
1875 prores_encoder_select="dsputil"
1876 qcelp_decoder_select="lsp"
1877 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1878 ra_144_encoder_select="audio_frame_queue lpc"
1879 ralf_decoder_select="golomb"
1880 rtjpeg_decoder_select="dsputil"
1881 rv10_decoder_select="error_resilience h263_decoder h263dsp"
1882 rv10_encoder_select="h263_encoder"
1883 rv20_decoder_select="error_resilience h263_decoder h263dsp"
1884 rv20_encoder_select="h263_encoder"
1885 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1886 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1887 shorten_decoder_select="golomb"
1888 sipr_decoder_select="lsp"
1889 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1890 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1891 sonic_decoder_select="golomb"
1892 sonic_encoder_select="golomb"
1893 sonic_ls_encoder_select="golomb"
1894 sp5x_decoder_select="dsputil hpeldsp exif"
1895 svq1_decoder_select="hpeldsp"
1896 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1897 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1898 svq3_decoder_suggest="error_resilience zlib"
1899 tak_decoder_select="dsputil"
1900 theora_decoder_select="vp3_decoder"
1901 tiff_decoder_suggest="zlib"
1902 tiff_encoder_suggest="zlib"
1903 thp_decoder_select="dsputil hpeldsp exif"
1904 truehd_decoder_select="mlp_parser"
1905 truemotion2_decoder_select="dsputil"
1906 truespeech_decoder_select="dsputil"
1907 tscc_decoder_select="zlib"
1908 twinvq_decoder_select="mdct lsp sinewin"
1909 utvideo_decoder_select="dsputil"
1910 utvideo_encoder_select="dsputil huffman"
1911 vble_decoder_select="dsputil"
1912 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1913 vc1image_decoder_select="vc1_decoder"
1914 vorbis_decoder_select="mdct"
1915 vorbis_encoder_select="mdct"
1916 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1917 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1918 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1919 vp6a_decoder_select="vp6_decoder"
1920 vp6f_decoder_select="vp6_decoder"
1921 vp8_decoder_select="h264pred videodsp"
1922 vp9_decoder_select="videodsp"
1923 webp_decoder_select="vp8_decoder"
1924 wmapro_decoder_select="mdct sinewin"
1925 wmav1_decoder_select="mdct sinewin"
1926 wmav1_encoder_select="mdct sinewin"
1927 wmav2_decoder_select="mdct sinewin"
1928 wmav2_encoder_select="mdct sinewin"
1929 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1930 wmv1_decoder_select="h263_decoder"
1931 wmv1_encoder_select="h263_encoder"
1932 wmv2_decoder_select="h263_decoder videodsp"
1933 wmv2_encoder_select="h263_encoder"
1934 wmv3_decoder_select="vc1_decoder"
1935 wmv3image_decoder_select="wmv3_decoder"
1936 zerocodec_decoder_select="zlib"
1937 zlib_decoder_select="zlib"
1938 zlib_encoder_select="zlib"
1939 zmbv_decoder_select="zlib"
1940 zmbv_encoder_select="zlib"
1942 # hardware accelerators
1943 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1944 dxva2_deps="dxva2api_h"
1945 vaapi_deps="va_va_h"
1946 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1947 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1948 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1950 h263_vaapi_hwaccel_deps="vaapi"
1951 h263_vaapi_hwaccel_select="h263_decoder"
1952 h263_vdpau_hwaccel_deps="vdpau"
1953 h263_vdpau_hwaccel_select="h263_decoder"
1954 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1955 h264_dxva2_hwaccel_deps="dxva2"
1956 h264_dxva2_hwaccel_select="h264_decoder"
1957 h264_vaapi_hwaccel_deps="vaapi"
1958 h264_vaapi_hwaccel_select="h264_decoder"
1959 h264_vda_decoder_deps="vda"
1960 h264_vda_decoder_select="h264_decoder"
1961 h264_vda_hwaccel_deps="vda"
1962 h264_vda_hwaccel_select="h264_decoder"
1963 h264_vdpau_decoder_deps="vdpau"
1964 h264_vdpau_decoder_select="h264_decoder"
1965 h264_vdpau_hwaccel_deps="vdpau"
1966 h264_vdpau_hwaccel_select="h264_decoder"
1967 mpeg_vdpau_decoder_deps="vdpau"
1968 mpeg_vdpau_decoder_select="mpeg2video_decoder"
1969 mpeg1_vdpau_decoder_deps="vdpau"
1970 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
1971 mpeg1_vdpau_hwaccel_deps="vdpau"
1972 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1973 mpeg2_crystalhd_decoder_select="crystalhd"
1974 mpeg2_dxva2_hwaccel_deps="dxva2"
1975 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1976 mpeg2_vaapi_hwaccel_deps="vaapi"
1977 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1978 mpeg2_vdpau_hwaccel_deps="vdpau"
1979 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1980 mpeg4_crystalhd_decoder_select="crystalhd"
1981 mpeg4_vaapi_hwaccel_deps="vaapi"
1982 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1983 mpeg4_vdpau_decoder_deps="vdpau"
1984 mpeg4_vdpau_decoder_select="mpeg4_decoder"
1985 mpeg4_vdpau_hwaccel_deps="vdpau"
1986 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1987 msmpeg4_crystalhd_decoder_select="crystalhd"
1988 vc1_crystalhd_decoder_select="crystalhd"
1989 vc1_dxva2_hwaccel_deps="dxva2"
1990 vc1_dxva2_hwaccel_select="vc1_decoder"
1991 vc1_vaapi_hwaccel_deps="vaapi"
1992 vc1_vaapi_hwaccel_select="vc1_decoder"
1993 vc1_vdpau_decoder_deps="vdpau"
1994 vc1_vdpau_decoder_select="vc1_decoder"
1995 vc1_vdpau_hwaccel_deps="vdpau"
1996 vc1_vdpau_hwaccel_select="vc1_decoder"
1997 wmv3_crystalhd_decoder_select="crystalhd"
1998 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1999 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2000 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2001 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2004 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
2005 mpeg4video_parser_select="error_resilience mpegvideo"
2006 mpegvideo_parser_select="error_resilience mpegvideo"
2007 vc1_parser_select="mpegvideo"
2009 # external libraries
2010 libaacplus_encoder_deps="libaacplus"
2011 libcelt_decoder_deps="libcelt"
2012 libfaac_encoder_deps="libfaac"
2013 libfaac_encoder_select="audio_frame_queue"
2014 libfdk_aac_decoder_deps="libfdk_aac"
2015 libfdk_aac_encoder_deps="libfdk_aac"
2016 libfdk_aac_encoder_select="audio_frame_queue"
2017 libgme_demuxer_deps="libgme"
2018 libgsm_decoder_deps="libgsm"
2019 libgsm_encoder_deps="libgsm"
2020 libgsm_ms_decoder_deps="libgsm"
2021 libgsm_ms_encoder_deps="libgsm"
2022 libilbc_decoder_deps="libilbc"
2023 libilbc_encoder_deps="libilbc"
2024 libmodplug_demuxer_deps="libmodplug"
2025 libmp3lame_encoder_deps="libmp3lame"
2026 libmp3lame_encoder_select="audio_frame_queue"
2027 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2028 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2029 libopencore_amrnb_encoder_select="audio_frame_queue"
2030 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2031 libopenjpeg_decoder_deps="libopenjpeg"
2032 libopenjpeg_encoder_deps="libopenjpeg"
2033 libopus_decoder_deps="libopus"
2034 libopus_encoder_deps="libopus"
2035 libopus_encoder_select="audio_frame_queue"
2036 libquvi_demuxer_deps="libquvi"
2037 libschroedinger_decoder_deps="libschroedinger"
2038 libschroedinger_encoder_deps="libschroedinger"
2039 libshine_encoder_deps="libshine"
2040 libshine_encoder_select="audio_frame_queue"
2041 libspeex_decoder_deps="libspeex"
2042 libspeex_encoder_deps="libspeex"
2043 libspeex_encoder_select="audio_frame_queue"
2044 libstagefright_h264_decoder_deps="libstagefright_h264"
2045 libtheora_encoder_deps="libtheora"
2046 libtwolame_encoder_deps="libtwolame"
2047 libvo_aacenc_encoder_deps="libvo_aacenc"
2048 libvo_aacenc_encoder_select="audio_frame_queue"
2049 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2050 libvorbis_decoder_deps="libvorbis"
2051 libvorbis_encoder_deps="libvorbis"
2052 libvorbis_encoder_select="audio_frame_queue"
2053 libvpx_vp8_decoder_deps="libvpx"
2054 libvpx_vp8_encoder_deps="libvpx"
2055 libvpx_vp9_decoder_deps="libvpx"
2056 libvpx_vp9_encoder_deps="libvpx"
2057 libwavpack_encoder_deps="libwavpack"
2058 libx264_encoder_deps="libx264"
2059 libx264rgb_encoder_deps="libx264"
2060 libxavs_encoder_deps="libxavs"
2061 libxvid_encoder_deps="libxvid"
2062 libutvideo_decoder_deps="libutvideo"
2063 libutvideo_encoder_deps="libutvideo"
2064 libzvbi_teletext_decoder_deps="libzvbi"
2067 ac3_demuxer_select="ac3_parser"
2068 asf_demuxer_select="riffdec"
2069 asf_muxer_select="riffenc"
2070 asf_stream_muxer_select="asf_muxer"
2071 avi_demuxer_select="riffdec"
2072 avi_muxer_select="riffenc"
2073 avisynth_demuxer_deps="avisynth"
2074 avisynth_demuxer_select="riffdec"
2075 caf_demuxer_select="riffdec"
2076 dirac_demuxer_select="dirac_parser"
2077 dts_demuxer_select="dca_parser"
2078 dtshd_demuxer_select="dca_parser"
2079 dxa_demuxer_select="riffdec"
2080 eac3_demuxer_select="ac3_parser"
2081 f4v_muxer_select="mov_muxer"
2082 flac_demuxer_select="flac_parser"
2083 hds_muxer_select="flv_muxer"
2084 hls_muxer_select="mpegts_muxer"
2085 ipod_muxer_select="mov_muxer"
2086 ismv_muxer_select="mov_muxer"
2087 libnut_demuxer_deps="libnut"
2088 libnut_muxer_deps="libnut"
2089 matroska_audio_muxer_select="matroska_muxer"
2090 matroska_demuxer_select="riffdec"
2091 matroska_demuxer_suggest="bzlib lzo zlib"
2092 matroska_muxer_select="riffenc"
2093 mmf_muxer_select="riffenc"
2094 mov_demuxer_select="riffdec"
2095 mov_demuxer_suggest="zlib"
2096 mov_muxer_select="riffenc rtpenc_chain"
2097 mp3_demuxer_select="mpegaudio_parser"
2098 mp4_muxer_select="mov_muxer"
2099 mpegts_muxer_select="adts_muxer latm_muxer"
2100 mpegtsraw_demuxer_select="mpegts_demuxer"
2101 mxf_d10_muxer_select="mxf_muxer"
2102 nut_muxer_select="riffenc"
2103 nuv_demuxer_select="riffdec"
2104 ogg_demuxer_select="golomb"
2105 psp_muxer_select="mov_muxer"
2106 rtp_demuxer_select="sdp_demuxer"
2107 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2108 rtsp_demuxer_select="http_protocol rtpdec"
2109 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2110 sap_demuxer_select="sdp_demuxer"
2111 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2112 sdp_demuxer_select="rtpdec"
2113 smoothstreaming_muxer_select="ismv_muxer"
2114 spdif_muxer_select="aac_parser"
2115 tak_demuxer_select="tak_parser"
2116 tg2_muxer_select="mov_muxer"
2117 tgp_muxer_select="mov_muxer"
2118 vobsub_demuxer_select="mpegps_demuxer"
2119 w64_demuxer_select="wav_demuxer"
2120 w64_muxer_select="wav_muxer"
2121 wav_demuxer_select="riffdec"
2122 wav_muxer_select="riffenc"
2123 webm_muxer_select="riffenc"
2124 wtv_demuxer_select="riffdec"
2125 xmv_demuxer_select="riffdec"
2126 xwma_demuxer_select="riffdec"
2129 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2130 alsa_outdev_deps="alsa_asoundlib_h"
2131 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2132 caca_outdev_deps="libcaca"
2133 dshow_indev_deps="IBaseFilter"
2134 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2135 dv1394_indev_deps="dv1394"
2136 dv1394_indev_select="dv_demuxer"
2137 fbdev_indev_deps="linux_fb_h"
2138 fbdev_outdev_deps="linux_fb_h"
2139 iec61883_indev_deps="libiec61883"
2140 jack_indev_deps="jack_jack_h sem_timedwait"
2141 lavfi_indev_deps="avfilter"
2142 libcdio_indev_deps="libcdio"
2143 libdc1394_indev_deps="libdc1394"
2144 libv4l2_indev_deps="libv4l2"
2145 openal_indev_deps="openal"
2146 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2147 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2148 pulse_indev_deps="libpulse"
2149 pulse_outdev_deps="libpulse"
2150 sdl_outdev_deps="sdl"
2151 sndio_indev_deps="sndio_h"
2152 sndio_outdev_deps="sndio_h"
2153 v4l_indev_deps="linux_videodev_h"
2154 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2155 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2156 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2157 vfwcap_indev_extralibs="-lavicap32"
2158 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2159 xv_outdev_extralibs="-lXv -lX11 -lXext"
2160 x11grab_indev_deps="x11grab"
2163 bluray_protocol_deps="libbluray"
2164 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2165 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2166 ffrtmpcrypt_protocol_select="tcp_protocol"
2167 ffrtmphttp_protocol_deps="!librtmp_protocol"
2168 ffrtmphttp_protocol_select="http_protocol"
2169 ftp_protocol_select="tcp_protocol"
2170 gopher_protocol_select="network"
2171 httpproxy_protocol_select="tcp_protocol"
2172 http_protocol_select="tcp_protocol"
2173 https_protocol_select="tls_protocol"
2174 librtmp_protocol_deps="librtmp"
2175 librtmpe_protocol_deps="librtmp"
2176 librtmps_protocol_deps="librtmp"
2177 librtmpt_protocol_deps="librtmp"
2178 librtmpte_protocol_deps="librtmp"
2179 libssh_protocol_deps="libssh"
2180 mmsh_protocol_select="http_protocol"
2181 mmst_protocol_select="network"
2182 rtmp_protocol_deps="!librtmp_protocol"
2183 rtmp_protocol_select="tcp_protocol"
2184 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2185 rtmps_protocol_deps="!librtmp_protocol"
2186 rtmps_protocol_select="tls_protocol"
2187 rtmpt_protocol_select="ffrtmphttp_protocol"
2188 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2189 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2190 rtp_protocol_select="udp_protocol"
2191 sctp_protocol_deps="struct_sctp_event_subscribe"
2192 sctp_protocol_select="network"
2193 srtp_protocol_select="rtp_protocol"
2194 tcp_protocol_select="network"
2195 tls_protocol_deps_any="openssl gnutls"
2196 tls_protocol_select="tcp_protocol"
2197 udp_protocol_select="network"
2198 unix_protocol_deps="sys_un_h"
2199 unix_protocol_select="network"
2202 aconvert_filter_deps="swresample"
2203 amovie_filter_deps="avcodec avformat"
2204 aresample_filter_deps="swresample"
2205 ass_filter_deps="libass"
2206 asyncts_filter_deps="avresample"
2207 atempo_filter_deps="avcodec"
2208 atempo_filter_select="rdft"
2209 azmq_filter_deps="libzmq"
2210 blackframe_filter_deps="gpl"
2211 boxblur_filter_deps="gpl"
2212 colormatrix_filter_deps="gpl"
2213 cropdetect_filter_deps="gpl"
2214 dctdnoiz_filter_deps="avcodec"
2215 dctdnoiz_filter_select="fft"
2216 delogo_filter_deps="gpl"
2217 deshake_filter_deps="avcodec"
2218 deshake_filter_select="dsputil"
2219 drawtext_filter_deps="libfreetype"
2220 ebur128_filter_deps="gpl"
2221 flite_filter_deps="libflite"
2222 frei0r_filter_deps="frei0r dlopen"
2223 frei0r_filter_extralibs='$ldl'
2224 frei0r_src_filter_deps="frei0r dlopen"
2225 frei0r_src_filter_extralibs='$ldl'
2226 geq_filter_deps="gpl"
2227 histeq_filter_deps="gpl"
2228 hqdn3d_filter_deps="gpl"
2229 interlace_filter_deps="gpl"
2230 kerndeint_filter_deps="gpl"
2231 ladspa_filter_deps="ladspa dlopen"
2232 mcdeint_filter_deps="avcodec gpl"
2233 movie_filter_deps="avcodec avformat"
2234 mp_filter_deps="gpl avcodec swscale inline_asm"
2235 mpdecimate_filter_deps="gpl avcodec"
2236 mptestsrc_filter_deps="gpl"
2237 negate_filter_deps="lut_filter"
2238 perspective_filter_deps="gpl"
2239 resample_filter_deps="avresample"
2240 ocv_filter_deps="libopencv"
2241 owdenoise_filter_deps="gpl"
2242 pan_filter_deps="swresample"
2243 phase_filter_deps="gpl"
2244 pp_filter_deps="gpl postproc"
2245 pullup_filter_deps="gpl"
2246 removelogo_filter_deps="avcodec avformat swscale"
2247 sab_filter_deps="gpl swscale"
2248 scale_filter_deps="swscale"
2249 smartblur_filter_deps="gpl swscale"
2250 showspectrum_filter_deps="avcodec"
2251 showspectrum_filter_select="rdft"
2252 spp_filter_deps="gpl avcodec"
2253 spp_filter_select="fft"
2254 stereo3d_filter_deps="gpl"
2255 subtitles_filter_deps="avformat avcodec libass"
2256 super2xsai_filter_deps="gpl"
2257 tinterlace_filter_deps="gpl"
2258 vidstabdetect_filter_deps="libvidstab"
2259 vidstabtransform_filter_deps="libvidstab"
2260 yadif_filter_deps="gpl"
2261 pixfmts_super2xsai_test_deps="super2xsai_filter"
2262 tinterlace_merge_test_deps="tinterlace_filter"
2263 tinterlace_pad_test_deps="tinterlace_filter"
2264 zmq_filter_deps="libzmq"
2267 avcodec_deps="avutil"
2268 avdevice_deps="avutil avcodec avformat"
2269 avfilter_deps="avutil"
2270 avformat_deps="avutil avcodec"
2271 avresample_deps="avutil"
2272 postproc_deps="avutil gpl"
2273 swscale_deps="avutil"
2276 ffmpeg_deps="avcodec avfilter avformat swresample"
2277 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2279 setpts_filter trim_filter"
2280 ffplay_deps="avcodec avformat swscale swresample sdl"
2281 ffplay_select="rdft crop_filter"
2282 ffprobe_deps="avcodec avformat"
2283 ffserver_deps="avformat fork sarestart"
2284 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2285 ffserver_extralibs='$ldl'
2288 podpages_deps="perl"
2289 manpages_deps="perl pod2man"
2290 htmlpages_deps="texi2html"
2291 txtpages_deps="makeinfo"
2292 doc_deps_any="manpages htmlpages podpages txtpages"
2294 # default parameters
2296 logfile="config.log"
2298 # installation paths
2299 prefix_default="/usr/local"
2300 bindir_default='${prefix}/bin'
2301 datadir_default='${prefix}/share/ffmpeg'
2302 docdir_default='${prefix}/share/doc/ffmpeg'
2303 incdir_default='${prefix}/include'
2304 libdir_default='${prefix}/lib'
2305 mandir_default='${prefix}/share/man'
2306 shlibdir_default="$libdir_default"
2312 host_cc_default="gcc"
2318 pkg_config_default=pkg-config
2320 strip_default="strip"
2321 yasmexe_default="yasm"
2326 arch_default=$(uname -m)
2330 target_os_default=$(tolower $(uname -s))
2331 host_os=$target_os_default
2333 # configurable options
2334 enable $PROGRAM_LIST
2335 enable $DOCUMENT_LIST
2336 enable $(filter_out avresample $LIBRARY_LIST)
2342 enable optimizations
2343 enable runtime_cpudetect
2344 enable safe_bitstream_reader
2346 enable swscale_alpha
2348 # Enable hwaccels by default.
2349 enable dxva2 vaapi vdpau
2352 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2355 FULLNAME='$(NAME)$(BUILDSUF)'
2356 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2359 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2360 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2361 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2362 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2363 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2364 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2384 host_cflags='-O3 -g'
2385 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2387 host_cflags_filter=echo
2388 host_ldflags_filter=echo
2390 target_path='$(CURDIR)'
2392 # since the object filename is not given with the -MM flag, the compiler
2393 # is only able to print the basename, and we must add the path ourselves
2394 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2398 if test -f configure; then
2401 source_path=$(cd $(dirname "$0"); pwd)
2402 echo "$source_path" | grep -q '[[:blank:]]' &&
2403 die "Out of tree builds are impossible with whitespace in source path."
2404 test -e "$source_path/config.h" &&
2405 die "Out of tree builds are impossible with config.h in source dir."
2412 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2418 file=$source_path/$3
2419 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2422 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2423 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2424 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2425 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2426 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2427 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2428 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2429 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2430 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2431 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2432 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2448 for n in $COMPONENT_LIST; do
2449 v=$(toupper ${n%s})_LIST
2451 eval ${n}_if_any="\$$v"
2454 enable $ARCH_EXT_LIST
2457 echo "Unknown option \"$1\"."
2458 echo "See $0 --help for available options."
2463 cat | tr ' ' '\n' | sort | pr -r -3 -t
2469 echo $* | sed s/$suffix//g | print_3_columns
2481 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2482 echo "prob ${prob:-0.5}"
2490 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2491 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2501 add_extralibs $optval
2504 disable $INDEV_LIST $OUTDEV_LIST
2507 debuglevel="$optval"
2510 disable $PROGRAM_LIST
2512 --disable-everything)
2513 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2516 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2517 disable $LIBRARY_LIST $PROGRAM_LIST doc
2519 --enable-random|--disable-random)
2520 action=${opt%%-random}
2521 do_random ${action#--} $COMPONENT_LIST
2523 --enable-random=*|--disable-random=*)
2524 action=${opt%%-random=*}
2525 do_random ${action#--} $optval
2527 --enable-*=*|--disable-*=*)
2528 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2529 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2530 eval list=\$$(toupper $thing)_LIST
2531 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2532 list=$(filter "$name" $list)
2533 [ "$list" = "" ] && warn "Option $opt did not match anything"
2536 --enable-?*|--disable-?*)
2537 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2538 if is_in $option $COMPONENT_LIST; then
2539 test $action = disable && action=unset
2540 eval $action \$$(toupper ${option%s})_LIST
2541 elif is_in $option $CMDLINE_SELECT; then
2548 NAME="${opt#--list-}"
2549 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2551 eval show_list $NAME \$$(toupper $NAME)_LIST
2553 --help|-h) show_help
2555 --fatal-warnings) enable fatal_warnings
2558 optname="${opt%%=*}"
2559 optname="${optname#--}"
2560 optname=$(echo "$optname" | sed 's/-/_/g')
2561 if is_in $optname $CMDLINE_SET; then
2562 eval $optname='$optval'
2563 elif is_in $optname $CMDLINE_APPEND; then
2564 append $optname "$optval"
2572 disabled logging && logfile=/dev/null
2574 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2577 test -n "$cross_prefix" && enable cross_compile
2579 if enabled cross_compile; then
2580 test -n "$arch" && test -n "$target_os" ||
2581 die "Must specify target arch and OS when cross-compiling"
2584 ar_default="${cross_prefix}${ar_default}"
2585 cc_default="${cross_prefix}${cc_default}"
2586 cxx_default="${cross_prefix}${cxx_default}"
2587 nm_default="${cross_prefix}${nm_default}"
2588 pkg_config_default="${cross_prefix}${pkg_config_default}"
2589 ranlib="${cross_prefix}${ranlib}"
2590 strip_default="${cross_prefix}${strip_default}"
2592 sysinclude_default="${sysroot}/usr/include"
2594 test -n "$valgrind" && toolchain="valgrind-memcheck"
2596 case "$toolchain" in
2599 add_cflags -fsanitize=address
2600 add_ldflags -fsanitize=address
2604 add_cflags -fsanitize=thread -pie
2605 add_ldflags -fsanitize=thread -pie
2609 add_cflags -fsanitize=address
2610 add_ldflags -fsanitize=address
2614 add_cflags -fsanitize=thread -pie -fPIC
2615 add_ldflags -fsanitize=thread -pie -fPIC
2618 target_exec_default=${valgrind:-"valgrind"}
2619 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"
2622 target_exec_default=${valgrind:-"valgrind"}
2623 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2626 # Check whether the current MSVC version needs the C99 converter.
2627 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2628 # support enough of C99 to build ffmpeg, but we still need to use
2629 # c99wrap for passing command line parameters with a space (for
2630 # avoiding msys path mangling/conversion issues). Default to the new
2631 # behaviour if the regexp was unable to match anything, since this
2632 # successfully parses the version number of existing supported
2633 # versions that require the converter (MSVC 2010 and 2012).
2634 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2635 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2636 cc_default="c99wrap -noconv cl"
2638 cc_default="c99wrap cl"
2640 ld_default="c99wrap link"
2641 nm_default="dumpbin -symbols"
2643 target_os_default="win32"
2646 cc_default="c99wrap -noconv icl"
2647 ld_default="c99wrap xilink"
2648 nm_default="dumpbin -symbols"
2650 target_os_default="win32"
2653 add_cflags -fprofile-arcs -ftest-coverage
2654 add_ldflags -fprofile-arcs -ftest-coverage
2657 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2658 add_ldflags -Wl,-z,relro -Wl,-z,now
2661 die "Unknown toolchain $toolchain"
2665 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2666 enabled cross_compile || host_cc_default=$cc
2669 if ! $pkg_config --version >/dev/null 2>&1; then
2670 warn "$pkg_config not found, library detection may fail."
2676 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2680 EXESUF=$(exesuf $target_os)
2681 HOSTEXESUF=$(exesuf $host_os)
2683 # set temporary file name
2684 : ${TMPDIR:=$TEMPDIR}
2688 if [ -n "$tempprefix" ] ; then
2690 echo $tempprefix.${HOSTNAME}.${UID}
2692 elif ! check_cmd mktemp -u XXXXXX; then
2693 # simple replacement for missing mktemp
2694 # NOT SAFE FOR GENERAL USE
2696 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2701 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2702 (set -C; exec > $tmp) 2>/dev/null ||
2703 die "Unable to create temporary file in $TMPDIR."
2704 append TMPFILES $tmp
2708 trap 'rm -f -- $TMPFILES' EXIT
2713 tmpfile TMPE $EXESUF
2724 # make sure we can execute files in $TMPDIR
2725 cat > $TMPSH 2>> $logfile <<EOF
2728 chmod +x $TMPSH >> $logfile 2>&1
2729 if ! $TMPSH >> $logfile 2>&1; then
2731 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2732 variable to another directory and make sure that it is not mounted noexec.
2734 die "Sanity test failed."
2740 -std=c99) echo -c99 ;;
2741 -mcpu=*) echo -arch ${flag#*=} ;;
2742 -mieee) echo -ieee ;;
2743 -O*|-fast) echo $flag ;;
2744 -fno-math-errno) echo -assume nomath_errno ;;
2746 -Wall) echo -msg_enable level2 ;;
2747 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2748 -Wl,*) echo $flag ;;
2758 -Wno-switch) echo -Wno-switch-enum ;;
2759 -Wno-format-zero-length) ;;
2760 -Wdisabled-optimization) ;;
2761 -Wno-pointer-sign) echo -Wno-other ;;
2767 msvc_common_flags(){
2770 # In addition to specifying certain flags under the compiler
2771 # specific filters, they must be specified here as well or else the
2772 # generic catch all at the bottom will print the original flag.
2776 -fomit-frame-pointer) ;;
2780 -fno-signed-zeros) ;;
2784 -lz) echo zlib.lib ;;
2785 -lavifil32) echo vfw32.lib ;;
2786 -lavicap32) echo vfw32.lib user32.lib ;;
2787 -l*) echo ${flag#-l}.lib ;;
2794 msvc_common_flags "$@"
2797 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2798 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2799 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2807 msvc_common_flags "$@"
2810 # Despite what Intel's documentation says -Wall, which is supported
2811 # on Windows, does enable remarks so disable them here.
2812 -Wall) echo $flag -Qdiag-disable:remark ;;
2813 -std=c99) echo -Qstd=c99 ;;
2821 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2822 -fomit-frame-pointer) echo -Mnoframe ;;
2833 case "${flag#*=}" in
2834 native) echo -xtarget=native ;;
2835 v9|niagara) echo -xarch=sparc ;;
2836 ultrasparc) echo -xarch=sparcvis ;;
2837 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2838 i586|pentium) echo -xchip=pentium ;;
2839 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2840 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2841 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2842 pentium4*) echo -xtarget=pentium4 ;;
2843 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2844 *-sse3) echo -xarch=sse3 ;;
2845 core2) echo -xarch=ssse3 -xchip=core2 ;;
2846 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2847 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2848 amdfam10|barcelona) echo -xtarget=barcelona ;;
2849 bdver*) echo -xarch=avx ;;
2850 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2851 k8|opteron|athlon64|athlon-fx)
2852 echo -xarch=sse2a ;;
2853 athlon*) echo -xarch=pentium_proa ;;
2856 -std=c99) echo -xc99 ;;
2857 -fomit-frame-pointer) echo -xregs=frameptr ;;
2858 -fPIC) echo -KPIC -xcode=pic32 ;;
2859 -W*,*) echo $flag ;;
2860 -f*-*|-W*|-mimpure-text) ;;
2871 case "${flag#*=}" in
2872 armv7-a|cortex-a*) echo -mv=7a8 ;;
2873 armv7-r|cortex-r*) echo -mv=7r4 ;;
2874 armv7-m|cortex-m*) echo -mv=7m3 ;;
2875 armv6*|arm11*) echo -mv=6 ;;
2876 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2878 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2881 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2882 -mfpu=vfp) echo --float_support=vfpv2 ;;
2883 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2884 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2885 -msoft-float) echo --float_support=vfplib ;;
2886 -O[0-3]|-mf=*) echo $flag ;;
2888 -pds=*) echo $flag ;;
2889 -D*|-I*) echo $flag ;;
2890 --gcc|--abi=*) echo $flag ;;
2900 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2901 unset _ld_o _ldflags _ld_lib _ld_path
2902 unset _depflags _DEPCMD _DEPFLAGS
2905 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
2906 true # no-op to avoid reading stdin in following checks
2907 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2909 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2910 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2911 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2914 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2916 gcc_version=$($_cc --version | head -n1)
2917 gcc_basever=$($_cc -dumpversion)
2918 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2919 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2920 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2921 if ! $_cc -dumpversion | grep -q '^2\.'; then
2922 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2926 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2928 _ident=$($_cc --version | head -n1)
2933 elif $_cc -v 2>&1 | grep -q xlc; then
2935 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2937 _cflags_size='-O5 -qcompact'
2938 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2940 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2942 _cflags_speed='-fast'
2944 _flags_filter=ccc_flags
2945 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2946 test -d "$sysroot" || die "No valid sysroot specified."
2948 _ident=$($_cc --vsn | head -n1)
2949 armcc_conf="$PWD/armcc.conf"
2950 $_cc --arm_linux_configure \
2951 --arm_linux_config_file="$armcc_conf" \
2952 --configure_sysroot="$sysroot" \
2953 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2954 die "Error creating armcc configuration file."
2955 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2956 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2957 as_default="${cross_prefix}gcc"
2961 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2963 _ident=$($_cc -version | head -n1 | tr -s ' ')
2964 _flags='--gcc --abi=eabi -me'
2967 _depflags='-ppa -ppd=$(@:.o=.d)'
2968 _cflags_speed='-O3 -mf=5'
2969 _cflags_size='-O3 -mf=2'
2970 _flags_filter=tms470_flags
2971 elif $_cc -v 2>&1 | grep -q clang; then
2973 _ident=$($_cc --version | head -n1)
2977 elif $_cc -V 2>&1 | grep -q Sun; then
2979 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2980 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2981 _DEPFLAGS='-xM1 -xc99'
2984 _cflags_size='-O5 -xspace'
2985 _flags_filter=suncc_flags
2986 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2988 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2989 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2992 _flags_filter='filter_out -Wdisabled-optimization'
2993 elif $_cc -v 2>&1 | grep -q Open64; then
2995 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2996 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2999 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3000 elif $_cc -V 2>&1 | grep -q Portland; then
3002 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3003 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3004 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3005 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3007 _flags_filter=pgi_flags
3008 elif $_cc 2>&1 | grep -q Microsoft; then
3010 _ident=$($cc 2>&1 | head -n1)
3011 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3012 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
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=msvc_flags
3026 _ld_path='-libpath:'
3028 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3029 if [ $pfx = hostcc ]; then
3030 append _cflags -Dsnprintf=_snprintf
3033 elif $_cc 2>&1 | grep -q Intel; then
3035 _ident=$($cc 2>&1 | head -n1)
3036 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3037 # Not only is O3 broken on 13.x+ but it is slower on all previous
3038 # versions (tested) as well.
3040 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3041 # Nonstandard output options, to avoid msys path conversion issues.
3042 # Relies on wrapper to remap it.
3043 if $_cc 2>&1 | grep -q Linker; then
3050 _flags_filter=icl_flags
3052 _ld_path='-libpath:'
3053 # -Qdiag-error to make icl error when seeing certain unknown arguments
3054 _flags='-nologo -Qdiag-error:4044,10157'
3055 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3056 # with MSVC which enables it by default.
3057 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3058 if [ $pfx = hostcc ]; then
3059 append _cflags -Dsnprintf=_snprintf
3061 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3063 _ident=$($_cc --version | head -n1)
3067 _flags_filter=cparser_flags
3070 eval ${pfx}_type=\$_type
3071 eval ${pfx}_ident=\$_ident
3075 eval ${1}_C=\${_cc_c-\${${1}_C}}
3076 eval ${1}_E=\${_cc_e-\${${1}_E}}
3077 eval ${1}_O=\${_cc_o-\${${1}_O}}
3079 if [ -n "$_depflags" ]; then
3080 eval ${1}_DEPFLAGS=\$_depflags
3082 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3083 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3084 eval DEP${1}FLAGS=\$_flags
3089 cflags_filter=$_flags_filter
3090 cflags_speed=$_cflags_speed
3091 cflags_size=$_cflags_size
3092 cflags_noopt=$_cflags_noopt
3093 add_cflags $_flags $_cflags
3094 cc_ldflags=$_ldflags
3097 probe_cc hostcc "$host_cc"
3098 host_cflags_filter=$_flags_filter
3099 add_host_cflags $_flags $_cflags
3102 test -n "$cc_type" && enable $cc_type ||
3103 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3105 : ${as_default:=$cc}
3106 : ${dep_cc_default:=$cc}
3107 : ${ld_default:=$cc}
3108 : ${host_ld_default:=$host_cc}
3109 set_default ar as dep_cc ld host_ld
3112 asflags_filter=$_flags_filter
3113 add_asflags $_flags $_cflags
3117 ldflags_filter=$_flags_filter
3118 add_ldflags $_flags $_ldflags
3119 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3121 LD_LIB=${_ld_lib-$LD_LIB}
3122 LD_PATH=${_ld_path-$LD_PATH}
3124 probe_cc hostld "$host_ld"
3125 host_ldflags_filter=$_flags_filter
3126 add_host_ldflags $_flags $_ldflags
3127 HOSTLD_O=${_ld_o-$HOSTLD_O}
3129 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3130 probe_cc depcc "$dep_cc"
3131 CCDEP=${_DEPCMD:-$DEPCMD}
3132 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3136 if $ar 2>&1 | grep -q Microsoft; then
3139 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3142 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3143 arflags='-Xany -r -c'
3150 add_cflags $extra_cflags
3151 add_cxxflags $extra_cxxflags
3152 add_asflags $extra_cflags
3154 if test -n "$sysroot"; then
3157 add_cppflags --sysroot="$sysroot"
3158 add_ldflags --sysroot="$sysroot"
3161 add_cppflags -I"$sysinclude"
3162 add_ldflags --sysroot="$sysroot"
3167 if test "$cpu" = host; then
3168 enabled cross_compile &&
3169 die "--cpu=host makes no sense when cross-compiling."
3174 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3176 s/.*$1=\\([^ ]*\\).*/\\1/
3181 cpu=$(check_native -march || check_native -mcpu)
3185 test "${cpu:-host}" = host &&
3186 die "--cpu=host not supported with compiler $cc"
3189 # Deal with common $arch aliases
3203 "Power Macintosh"|ppc*|powerpc*)
3218 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3223 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3226 # Add processor-specific flags
3227 if enabled aarch64; then
3231 cpuflags="-march=$cpu"
3234 cpuflags="-mcpu=$cpu"
3238 elif enabled alpha; then
3240 cpuflags="-mcpu=$cpu"
3242 elif enabled arm; then
3245 check_cpp_condition stddef.h \
3246 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3251 if check_arm_arch 4; then echo armv4;
3252 elif check_arm_arch 4T; then echo armv4t;
3253 elif check_arm_arch 5; then echo armv5;
3254 elif check_arm_arch 5E; then echo armv5e;
3255 elif check_arm_arch 5T; then echo armv5t;
3256 elif check_arm_arch 5TE; then echo armv5te;
3257 elif check_arm_arch 5TEJ; then echo armv5te;
3258 elif check_arm_arch 6; then echo armv6;
3259 elif check_arm_arch 6J; then echo armv6j;
3260 elif check_arm_arch 6K; then echo armv6k;
3261 elif check_arm_arch 6Z; then echo armv6z;
3262 elif check_arm_arch 6ZK; then echo armv6zk;
3263 elif check_arm_arch 6T2; then echo armv6t2;
3264 elif check_arm_arch 7; then echo armv7;
3265 elif check_arm_arch 7A 7_A; then echo armv7-a;
3266 elif check_arm_arch 7R 7_R; then echo armv7-r;
3267 elif check_arm_arch 7M 7_M; then echo armv7-m;
3268 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3269 elif check_arm_arch 8A 8_A; then echo armv8-a;
3273 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3277 cpuflags="-march=$cpu"
3278 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3281 cpuflags="-mcpu=$cpu"
3283 cortex-a*) subarch=armv7a ;;
3284 cortex-r*) subarch=armv7r ;;
3285 cortex-m*) enable thumb; subarch=armv7m ;;
3286 arm11*) subarch=armv6 ;;
3287 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3288 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3289 *) subarch=$(probe_arm_arch) ;;
3295 armv5t*) enable fast_clz ;;
3296 armv[6-8]*) enable fast_clz fast_unaligned ;;
3299 elif enabled avr32; then
3304 cpuflags="-mpart=$cpu"
3308 cpuflags="-march=$cpu"
3312 cpuflags="-mcpu=$cpu"
3316 cpuflags="-march=$cpu"
3320 elif enabled bfin; then
3322 cpuflags="-mcpu=$cpu"
3324 elif enabled mips; then
3326 cpuflags="-march=$cpu"
3342 24kef*|34kf*|1004kf*)
3350 elif enabled ppc; then
3352 case $(tolower $cpu) in
3353 601|ppc601|powerpc601)
3354 cpuflags="-mcpu=601"
3357 603*|ppc603*|powerpc603*)
3358 cpuflags="-mcpu=603"
3361 604*|ppc604*|powerpc604*)
3362 cpuflags="-mcpu=604"
3365 g3|75*|ppc75*|powerpc75*)
3366 cpuflags="-mcpu=750"
3369 g4|745*|ppc745*|powerpc745*)
3370 cpuflags="-mcpu=7450"
3372 74*|ppc74*|powerpc74*)
3373 cpuflags="-mcpu=7400"
3375 g5|970|ppc970|powerpc970)
3376 cpuflags="-mcpu=970"
3379 cpuflags="-mcpu=$cpu"
3382 cpuflags="-mcpu=cell"
3386 cpuflags="-mcpu=e500mc"
3390 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3394 cpuflags="-mcpu=8540 -mhard-float"
3399 elif enabled sparc; then
3402 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3403 cpuflags="-mcpu=$cpu"
3406 ultrasparc*|niagara[234])
3407 cpuflags="-mcpu=$cpu"
3411 elif enabled x86; then
3415 cpuflags="-march=$cpu"
3418 # targets that do NOT support nopl and conditional mov (cmov)
3419 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3420 cpuflags="-march=$cpu"
3423 # targets that do support nopl and conditional mov (cmov)
3424 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*)
3425 cpuflags="-march=$cpu"
3429 # targets that do support conditional mov but on which it's slow
3430 pentium4|pentium4m|prescott|nocona)
3431 cpuflags="-march=$cpu"
3439 if [ "$cpu" != generic ]; then
3440 add_cflags $cpuflags
3441 add_asflags $cpuflags
3444 # compiler sanity check
3446 int main(void){ return 0; }
3448 if test "$?" != 0; then
3449 echo "$cc is unable to create an executable file."
3450 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3451 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3452 echo "Only do this if you know what cross compiling means."
3454 die "C compiler test failed."
3457 add_cppflags -D_ISOC99_SOURCE
3458 add_cxxflags -D__STDC_CONSTANT_MACROS
3459 check_cflags -std=c99
3460 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3463 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3467 check_host_cflags -std=c99
3468 check_host_cflags -Wall
3474 check_code cc "" "int test[2*($expr) - 1]" &&
3475 subarch=$arch64 || subarch=$arch32
3483 check_64bit mips mips64 '_MIPS_SIM > 1'
3487 check_64bit parisc parisc64 'sizeof(void *) > 4'
3491 check_64bit ppc ppc64 'sizeof(void *) > 4'
3495 check_64bit sparc sparc64 'sizeof(void *) > 4'
3499 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3500 if test "$subarch" = "x86_64"; then
3505 check_cc <<EOF && subarch="ppc64"
3506 int test[(int)sizeof(char*) - 7];
3512 enabled spic && enable_weak pic
3518 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3519 enabled shared && add_ldflags -Wl,-brtl
3522 prefix_default="/boot/common"
3523 network_extralibs="-lnetwork"
3527 SHFLAGS='-shared -Wl,-h,$$(@F)'
3528 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3529 network_extralibs="-lsocket -lnsl"
3530 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3531 # When using suncc to build, the Solaris linker will mark
3532 # an executable with each instruction set encountered by
3533 # the Solaris assembler. As our libraries contain their own
3534 # guards for processor-specific code, instead suppress
3535 # generation of the HWCAPS ELF section on Solaris x86 only.
3536 enabled_all suncc x86 &&
3537 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3538 add_ldflags -Wl,-M,mapfile
3539 nm_default='nm -P -g'
3543 oss_indev_extralibs="-lossaudio"
3544 oss_outdev_extralibs="-lossaudio"
3545 enabled gcc || check_ldflags -Wl,-zmuldefs
3550 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3552 oss_indev_extralibs="-lossaudio"
3553 oss_outdev_extralibs="-lossaudio"
3561 add_extralibs -lpoll -lgnugetopt
3565 gas="gas-preprocessor.pl $cc"
3566 enabled ppc && add_asflags -force_cpusubtype_ALL
3567 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3568 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3570 add_ldflags -Wl,-dynamic,-search_paths_first
3572 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3573 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3575 enabled x86_64 && objformat="macho64"
3576 enabled_any pic shared ||
3577 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3580 if test $target_os = "mingw32ce"; then
3586 if enabled x86_64; then
3587 LIBTARGET="i386:x86-64"
3588 elif enabled arm; then
3591 check_ldflags -Wl,--nxcompat
3592 check_ldflags -Wl,--dynamicbase
3593 shlibdir_default="$bindir_default"
3596 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3597 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3598 dlltool="${cross_prefix}dlltool"
3599 if check_cmd lib.exe -list; then
3600 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3601 if enabled x86_64; then
3604 elif check_cmd $dlltool --version; then
3605 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3607 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3609 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3610 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3611 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3617 if enabled shared; then
3618 # Link to the import library instead of the normal static library
3621 # Cannot build both shared and static libs with MSVC or icl.
3624 shlibdir_default="$bindir_default"
3627 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3628 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3629 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3630 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3632 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3633 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3634 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3641 shlibdir_default="$bindir_default"
3644 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3645 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3646 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3648 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3649 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3653 *-dos|freedos|opendos)
3654 network_extralibs="-lsocket"
3657 add_cppflags -U__STRICT_ANSI__
3664 ranlib="echo ignoring ranlib"
3670 add_cppflags -D_GNU_SOURCE
3671 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3672 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3676 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3677 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3678 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3679 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3680 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3681 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3682 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3683 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3684 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3685 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3686 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3688 enable_weak os2threads
3691 add_cppflags -D_BSD_SOURCE
3696 add_cppflags -D_QNX_SOURCE
3697 network_extralibs="-lsocket"
3702 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3703 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3704 add_ldflags -Wl,--target1-abs,--no-undefined \
3705 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3706 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3707 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3708 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3709 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3712 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3717 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3718 -D_REENTRANT_SOURCE \
3719 -D_RESEARCH_SOURCE \
3722 add_compat strtod.o strtod=avpriv_strtod
3723 network_extralibs='-lbsd'
3724 exeobjs=compat/plan9/main.o
3731 die "Unknown OS '$target_os'."
3735 # determine libc flavour
3737 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3738 if check_cpp_condition features.h "defined __UCLIBC__"; then
3740 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3741 elif check_cpp_condition features.h "defined __GLIBC__"; then
3743 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3744 # MinGW headers can be installed on Cygwin, so check for newlib first.
3745 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3747 add_cppflags -U__STRICT_ANSI__
3748 elif check_header _mingw.h; then
3750 check_cpp_condition _mingw.h \
3751 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3752 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3753 die "ERROR: MinGW runtime version must be >= 3.15."
3754 add_cppflags -U__STRICT_ANSI__
3755 if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3756 __MINGW64_VERSION_MAJOR < 3"; then
3757 add_compat msvcrt/snprintf.o
3758 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3760 add_cppflags -D__USE_MINGW_ANSI_STDIO=1
3762 elif check_func_headers stdlib.h _get_doserrno; then
3764 add_compat strtod.o strtod=avpriv_strtod
3765 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3766 _snprintf=avpriv_snprintf \
3767 vsnprintf=avpriv_vsnprintf
3768 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3769 # 0x601 by default unless something else is set by the user.
3770 # This can easily lead to us detecting functions only present
3771 # in such new versions and producing binaries requiring windows 7.0.
3772 # Therefore explicitly set the default to XP unless the user has
3773 # set something else on the command line.
3774 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
3775 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3777 elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3779 add_compat strtod.o strtod=avpriv_strtod
3782 test -n "$libc_type" && enable $libc_type
3784 # hacks for compiler/libc/os combinations
3786 if enabled_all tms470 glibc; then
3787 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3788 add_cppflags -D__USER_LABEL_PREFIX__=
3789 add_cppflags -D__builtin_memset=memset
3790 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3791 add_cflags -pds=48 # incompatible redefinition of macro
3794 if enabled_all ccc glibc; then
3795 add_ldflags -Wl,-z,now # calls to libots crash without this
3799 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3802 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3804 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3806 set_default $PATHS_LIST
3809 # we need to build at least one lib type
3810 if ! enabled_any static shared; then
3812 At least one library type must be built.
3813 Specify --enable-static to build the static libraries or --enable-shared to
3814 build the shared libraries as well. To only build the shared libraries specify
3815 --disable-static in addition to --enable-shared.
3820 # backward compatibility layer for incompatible_libav/fork_abi
3821 enabled incompatible_fork_abi && enable incompatible_libav_abi
3822 enabled incompatible_libav_abi && enable incompatible_fork_abi
3824 die_license_disabled() {
3825 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3828 die_license_disabled_gpl() {
3829 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3832 die_license_disabled gpl frei0r
3833 die_license_disabled gpl libcdio
3834 die_license_disabled gpl libutvideo
3835 die_license_disabled gpl libvidstab
3836 die_license_disabled gpl libx264
3837 die_license_disabled gpl libxavs
3838 die_license_disabled gpl libxvid
3839 die_license_disabled gpl libzvbi
3840 die_license_disabled gpl x11grab
3842 die_license_disabled nonfree libaacplus
3843 die_license_disabled nonfree libfaac
3844 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3845 enabled gpl && die_license_disabled_gpl nonfree openssl
3847 die_license_disabled version3 libopencore_amrnb
3848 die_license_disabled version3 libopencore_amrwb
3849 die_license_disabled version3 libvo_aacenc
3850 die_license_disabled version3 libvo_amrwbenc
3852 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3854 disabled optimizations || check_cflags -fomit-frame-pointer
3857 disabled pic && return
3860 case "$target_os" in
3870 enabled pic && enable_weak_pic
3872 check_cc <<EOF || die "Symbol mangling check failed."
3875 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3876 extern_prefix=${sym%%ff_extern*}
3878 check_cc <<EOF && enable_weak inline_asm
3879 void foo(void) { __asm__ volatile ("" ::); }
3883 for restrict_keyword in restrict __restrict__ __restrict; do
3884 check_cc <<EOF && _restrict=$restrict_keyword && break
3885 void foo(char * $restrict_keyword p);
3889 check_cc <<EOF && enable pragma_deprecated
3890 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3893 check_cc <<EOF && enable attribute_packed
3894 struct { int x; } __attribute__((packed)) x;
3897 check_cc <<EOF && enable attribute_may_alias
3898 union { int x; } __attribute__((may_alias)) x;
3901 check_cc <<EOF || die "endian test failed"
3902 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3904 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3906 check_inline_asm inline_asm_labels '"1:\n"'
3908 if enabled alpha; then
3912 elif enabled arm; then
3914 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
3915 float func(float a, float b){ return a+b; }
3918 enabled thumb && check_cflags -mthumb || check_cflags -marm
3921 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3923 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3924 case "${cross_prefix:-$cc}" in
3925 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3926 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3927 __asm__ (".eabi_attribute 28, 1");
3928 int main(void) { return 0; }
3931 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3934 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3935 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3936 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3937 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3938 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3939 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3941 [ $target_os = linux ] ||
3942 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3945 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3946 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3948 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
3950 elif enabled mips; then
3952 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3953 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3954 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
3955 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3956 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3957 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3958 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3959 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3960 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
3962 elif enabled parisc; then
3964 if enabled gcc; then
3965 case $($cc -dumpversion) in
3966 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3970 elif enabled ppc; then
3972 enable local_aligned_8 local_aligned_16
3974 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3975 check_inline_asm ibm_asm '"add 0, 0, 0"'
3976 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3977 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3979 # AltiVec flags: The FSF version of GCC differs from the Apple version
3980 if enabled altivec; then
3981 if ! enabled_any pic ppc64; then
3984 check_cflags -maltivec -mabi=altivec &&
3985 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3986 check_cflags -faltivec
3988 # check if our compiler supports Motorola AltiVec C API
3989 check_cc <<EOF || disable altivec
3992 vector signed int v1 = (vector signed int) { 0 };
3993 vector signed int v2 = (vector signed int) { 1 };
3994 v1 = vec_add(v1, v2);
3999 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4002 elif enabled sparc; then
4004 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
4006 elif enabled x86; then
4008 check_builtin rdtsc intrin.h "__rdtsc()"
4009 check_builtin mm_empty mmintrin.h "_mm_empty()"
4011 enable local_aligned_8 local_aligned_16
4013 # check whether EBP is available on x86
4014 # As 'i' is stored on the stack, this program will crash
4015 # if the base pointer is used to access it because the
4016 # base pointer is cleared in the inline assembly code.
4017 check_exec_crash <<EOF && enable ebp_available
4019 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4023 # check whether EBX is available on x86
4024 check_inline_asm ebx_available '""::"b"(0)' &&
4025 check_inline_asm ebx_available '"":::"%ebx"'
4027 # check whether xmm clobbers are supported
4028 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4030 # check whether binutils is new enough to compile SSSE3/MMXEXT
4031 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4032 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4034 if ! disabled_any asm mmx yasm; then
4035 if check_cmd $yasmexe --version; then
4036 enabled x86_64 && yasm_extra="-m amd64"
4037 yasm_debug="-g dwarf2"
4038 elif check_cmd nasm -v; then
4040 yasm_debug="-g -F dwarf"
4041 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4044 YASMFLAGS="-f $objformat $yasm_extra"
4045 enabled pic && append YASMFLAGS "-DPIC"
4046 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4047 case "$objformat" in
4048 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4051 check_yasm "movbe ecx, [5]" && enable yasm ||
4052 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4053 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4054 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4055 check_yasm "CPU amdnop" && enable cpunop
4059 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4066 if enabled asm; then
4068 check_as <<EOF && enable gnu_as || \
4069 $nogas "GNU assembler not found, install gas-preprocessor"
4077 check_ldflags -Wl,--as-needed
4079 if check_func dlopen; then
4081 elif check_func dlopen -ldl; then
4085 if ! disabled network; then
4086 check_type "sys/types.h sys/socket.h" socklen_t
4087 check_type netdb.h "struct addrinfo"
4088 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4089 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4090 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4091 check_type netinet/in.h "struct sockaddr_in6"
4092 check_type poll.h "struct pollfd"
4093 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4094 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4095 check_type netinet/sctp.h "struct sctp_event_subscribe"
4096 check_func getaddrinfo $network_extralibs
4097 check_func getservbyport $network_extralibs
4098 # Prefer arpa/inet.h over winsock2
4099 if check_header arpa/inet.h ; then
4100 check_func closesocket
4101 elif check_header winsock2.h ; then
4102 check_func_headers winsock2.h closesocket -lws2 &&
4103 network_extralibs="-lws2" ||
4104 { check_func_headers winsock2.h closesocket -lws2_32 &&
4105 network_extralibs="-lws2_32"; }
4106 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4107 check_type ws2tcpip.h socklen_t
4108 check_type ws2tcpip.h "struct addrinfo"
4109 check_type ws2tcpip.h "struct group_source_req"
4110 check_type ws2tcpip.h "struct ip_mreq_source"
4111 check_type ws2tcpip.h "struct ipv6_mreq"
4112 check_type winsock2.h "struct pollfd"
4113 check_type ws2tcpip.h "struct sockaddr_in6"
4114 check_type ws2tcpip.h "struct sockaddr_storage"
4115 check_struct winsock2.h "struct sockaddr" sa_len
4121 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4122 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4125 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4128 check_func_headers stdlib.h getenv
4129 check_func gethrtime
4131 check_func getrusage
4132 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4133 check_func gettimeofday
4134 check_func inet_aton $network_extralibs
4136 check_func localtime_r
4137 check_func ${malloc_prefix}memalign && enable memalign
4141 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4142 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4143 check_func setrlimit
4144 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4145 check_func strerror_r
4146 check_func sched_getaffinity
4147 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4148 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4149 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4150 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4151 check_builtin sarestart signal.h "SA_RESTART"
4155 check_func_headers conio.h kbhit
4156 check_func_headers windows.h PeekNamedPipe
4157 check_func_headers io.h setmode
4158 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4159 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4160 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4161 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4162 check_func_headers windows.h GetProcessAffinityMask
4163 check_func_headers windows.h GetProcessTimes
4164 check_func_headers windows.h GetSystemTimeAsFileTime
4165 check_func_headers windows.h MapViewOfFile
4166 check_func_headers windows.h SetConsoleTextAttribute
4167 check_func_headers windows.h Sleep
4168 check_func_headers windows.h VirtualAlloc
4169 check_func_headers glob.h glob
4170 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4172 check_header cl/cl.h
4173 check_header direct.h
4174 check_header dlfcn.h
4176 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4178 check_header libcrystalhd/libcrystalhd_if.h
4179 check_header malloc.h
4181 check_header sys/mman.h
4182 check_header sys/param.h
4183 check_header sys/resource.h
4184 check_header sys/select.h
4185 check_header sys/time.h
4186 check_header sys/un.h
4187 check_header termios.h
4188 check_header unistd.h
4189 check_header vdpau/vdpau.h
4190 check_header vdpau/vdpau_x11.h
4191 check_header VideoDecodeAcceleration/VDADecoder.h
4192 check_header windows.h
4193 check_header X11/extensions/XvMClib.h
4194 check_header asm/types.h
4196 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4197 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4199 if ! disabled w32threads && ! enabled pthreads; then
4200 check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
4203 # check for some common methods of building with pthread support
4204 # do this before the optional library checks as some of them require pthreads
4205 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4207 if check_func pthread_create; then
4209 elif check_func pthread_create -pthread; then
4211 add_extralibs -pthread
4212 elif check_func pthread_create -pthreads; then
4213 add_cflags -pthreads
4214 add_extralibs -pthreads
4215 elif check_func pthread_create -lpthreadGC2; then
4216 add_extralibs -lpthreadGC2
4217 elif ! check_lib pthread.h pthread_create -lpthread; then
4222 for thread in $THREADS_LIST; do
4223 if enabled $thread; then
4224 test -n "$thread_type" &&
4225 die "ERROR: Only one thread type must be selected." ||
4226 thread_type="$thread"
4230 if enabled pthreads; then
4231 check_func pthread_cancel
4234 enabled sync_val_compare_and_swap && enable atomics_gcc
4235 enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
4236 enabled MemoryBarrier && enable atomics_win32
4238 check_lib math.h sin -lm && LIBM="-lm"
4239 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4245 for func in $MATH_FUNCS; do
4246 eval check_mathfunc $func \${${func}_args:-1}
4249 # these are off by default, so fail if requested and not available
4250 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4251 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4252 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4253 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4254 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4255 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4256 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4257 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4258 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4259 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4260 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4261 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4262 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4263 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4264 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4265 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4266 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4267 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"
4268 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4269 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
4270 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4271 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4272 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4273 done || die "ERROR: libgsm not found"; }
4274 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4275 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4276 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4277 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4278 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4279 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4280 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4281 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4282 check_lib openjpeg.h opj_version -lopenjpeg ||
4283 die "ERROR: libopenjpeg not found"; }
4284 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4285 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4286 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4287 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4288 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4289 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4290 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4291 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4292 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4293 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4294 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4295 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4296 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4297 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4298 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4299 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4300 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4301 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4302 enabled libvidstab && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4303 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4304 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4305 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4307 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4308 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4309 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 ||
4310 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4311 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4312 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
4313 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4314 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4315 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4316 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4317 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4318 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4319 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4320 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4321 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4322 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4323 die "ERROR: openal not found"; } &&
4324 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4325 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4326 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4327 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4328 die "ERROR: opencl not found"; } &&
4329 { ! enabled_any w32threads os2threads ||
4330 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4331 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4332 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4333 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4334 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4335 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4336 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4337 die "ERROR: openssl not found"; }
4339 if enabled gnutls; then
4340 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4341 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4345 if enabled libdc1394; then
4346 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4347 enable libdc1394_2; } ||
4348 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4349 enable libdc1394_1; } ||
4350 die "ERROR: No version of libdc1394 found "
4353 SDL_CONFIG="${cross_prefix}sdl-config"
4354 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4355 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4356 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4359 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4360 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4361 sdl_libs=$("${SDL_CONFIG}" --libs)
4362 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4363 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4364 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4368 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4370 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4371 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4372 perl --version > /dev/null 2>&1 && enable perl || disable perl
4373 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4374 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4376 check_header linux/fb.h
4377 check_header linux/videodev.h
4378 check_header linux/videodev2.h
4379 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4381 check_header sys/videoio.h
4383 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4384 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4385 # w32api 3.12 had it defined wrong
4386 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4388 check_type "dshow.h" IBaseFilter
4390 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4391 { check_header dev/bktr/ioctl_meteor.h &&
4392 check_header dev/bktr/ioctl_bt848.h; } ||
4393 { check_header machine/ioctl_meteor.h &&
4394 check_header machine/ioctl_bt848.h; } ||
4395 { check_header dev/video/meteor/ioctl_meteor.h &&
4396 check_header dev/video/bktr/ioctl_bt848.h; } ||
4397 check_header dev/ic/bt8xx.h
4399 check_header sndio.h
4400 if check_struct sys/soundcard.h audio_buf_info bytes; then
4401 enable_safe sys/soundcard.h
4403 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4404 #include <sys/soundcard.h>
4408 check_header soundcard.h
4410 enabled_any alsa_indev alsa_outdev &&
4411 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4413 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4414 check_func jack_port_get_latency_range -ljack
4416 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4418 if enabled libcdio; then
4419 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4420 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4421 die "ERROR: libcdio-paranoia not found"
4425 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
4426 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4427 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
4430 check_lib va/va.h vaInitialize -lva ||
4434 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4437 # Funny iconv installations are not unusual, so check it after all flags have been set
4438 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4440 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4442 # add some useful compiler flags if supported
4443 check_cflags -Wdeclaration-after-statement
4445 check_cflags -Wdisabled-optimization
4446 check_cflags -Wpointer-arith
4447 check_cflags -Wredundant-decls
4448 check_cflags -Wwrite-strings
4449 check_cflags -Wtype-limits
4450 check_cflags -Wundef
4451 check_cflags -Wmissing-prototypes
4452 check_cflags -Wno-pointer-to-int-cast
4453 check_cflags -Wstrict-prototypes
4454 enabled extra_warnings && check_cflags -Winline
4456 check_disable_warning(){
4457 warning_flag=-W${1#-Wno-}
4458 test_cflags $warning_flag && add_cflags $1
4461 check_disable_warning -Wno-parentheses
4462 check_disable_warning -Wno-switch
4463 check_disable_warning -Wno-format-zero-length
4464 check_disable_warning -Wno-pointer-sign
4466 # add some linker flags
4467 check_ldflags -Wl,--warn-common
4468 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4469 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4471 enabled xmm_clobber_test &&
4472 check_ldflags -Wl,--wrap,avcodec_open2 \
4473 -Wl,--wrap,avcodec_decode_audio4 \
4474 -Wl,--wrap,avcodec_decode_video2 \
4475 -Wl,--wrap,avcodec_decode_subtitle2 \
4476 -Wl,--wrap,avcodec_encode_audio2 \
4477 -Wl,--wrap,avcodec_encode_video \
4478 -Wl,--wrap,avcodec_encode_video2 \
4479 -Wl,--wrap,avcodec_encode_subtitle \
4480 -Wl,--wrap,sws_scale ||
4481 disable xmm_clobber_test
4484 if test_ldflags -Wl,--version-script,$TMPV; then
4485 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4486 check_cc <<EOF && enable symver_asm_label
4487 void ff_foo(void) __asm__ ("av_foo@VERSION");
4488 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4490 check_cc <<EOF && enable symver_gnu_asm
4491 __asm__(".symver ff_foo,av_foo@VERSION");
4492 void ff_foo(void) {}
4496 if [ -z "$optflags" ]; then
4497 if enabled small; then
4498 optflags=$cflags_size
4499 elif enabled optimizations; then
4500 optflags=$cflags_speed
4502 optflags=$cflags_noopt
4508 enabled lto && check_ldflags "$@"
4512 if enabled lto; then
4513 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4515 check_ldflags -flto $cpuflags
4518 check_optflags $optflags
4519 check_optflags -fno-math-errno
4520 check_optflags -fno-signed-zeros
4522 enabled ftrapv && check_cflags -ftrapv
4524 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4529 if enabled icc; then
4530 # Just warnings, no remarks
4532 # -wd: Disable following warnings
4533 # 144, 167, 556: -Wno-pointer-sign
4534 # 188: enumerated type mixed with another type
4535 # 1292: attribute "foo" ignored
4536 # 1419: external declaration in primary source file
4537 # 10006: ignoring unknown option -fno-signed-zeros
4538 # 10148: ignoring unknown option -Wno-parentheses
4539 # 10156: ignoring option '-W'; no argument required
4540 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4541 # 11030: Warning unknown option --as-needed
4542 # 10156: ignoring option '-export'; no argument required
4543 check_ldflags -wd10156,11030
4544 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4545 enable ebp_available
4546 if enabled x86_32; then
4547 icc_version=$($cc -dumpversion)
4548 test ${icc_version%%.*} -ge 11 &&
4549 check_cflags -falign-stack=maintain-16-byte ||
4550 disable aligned_stack
4552 elif enabled ccc; then
4553 # disable some annoying warnings
4554 add_cflags -msg_disable bitnotint
4555 add_cflags -msg_disable mixfuncvoid
4556 add_cflags -msg_disable nonstandcast
4557 add_cflags -msg_disable unsupieee
4558 elif enabled gcc; then
4559 check_optflags -fno-tree-vectorize
4560 check_cflags -Werror=implicit-function-declaration
4561 check_cflags -Werror=missing-prototypes
4562 check_cflags -Werror=return-type
4563 check_cflags -Werror=vla
4564 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4565 elif enabled llvm_gcc; then
4566 check_cflags -mllvm -stack-alignment=16
4567 elif enabled clang; then
4568 check_cflags -mllvm -stack-alignment=16
4569 check_cflags -Qunused-arguments
4570 check_cflags -Werror=implicit-function-declaration
4571 check_cflags -Werror=missing-prototypes
4572 check_cflags -Werror=return-type
4573 elif enabled cparser; then
4574 add_cflags -Wno-missing-variable-declarations
4575 add_cflags -Wno-empty-statement
4576 elif enabled armcc; then
4577 # 2523: use of inline assembler is deprecated
4578 add_cflags -W${armcc_opt},--diag_suppress=2523
4579 add_cflags -W${armcc_opt},--diag_suppress=1207
4580 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4581 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4582 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4583 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4584 elif enabled tms470; then
4585 add_cflags -pds=824 -pds=837
4586 elif enabled pathscale; then
4587 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4588 elif enabled_any msvc icl; then
4589 enabled x86_32 && disable aligned_stack
4590 enabled_all x86_32 debug && add_cflags -Oy-
4591 enabled debug && add_ldflags -debug
4592 enable pragma_deprecated
4593 if enabled icl; then
4594 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4595 # (correctly) on icl 13.x.
4596 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4597 add_cflags -Qansi-alias
4598 # icl will pass the inline asm tests but inline asm is currently
4599 # not supported (build will fail)
4600 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4607 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4610 add_cppflags -Dmain=plan9_main
4614 enable frame_thread_encoder
4615 enabled_any $THREADS_LIST && enable threads
4616 enabled_any $ATOMICS_LIST && enable atomics_native
4618 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"
4620 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4622 check_deps $CONFIG_LIST \
4628 if test $target_os = "haiku"; then
4630 disable posix_memalign
4633 ! enabled_any memalign posix_memalign aligned_malloc &&
4634 enabled_any $need_memalign && enable memalign_hack
4637 # -> enable ${lib}_deps_${dep}
4638 # -> add $dep to ${lib}_deps only once
4642 enabled "${lib}_deps_${dep}" && return 0
4643 enable "${lib}_deps_${dep}"
4644 prepend "${lib}_deps" $dep
4647 # merge deps lib components
4648 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4653 enabled $comp || continue
4654 eval "dep=\"\$${comp}_deps\""
4661 merge_deps libavfilter $FILTER_LIST
4663 echo "install prefix $prefix"
4664 echo "source path $source_path"
4665 echo "C compiler $cc"
4666 echo "ARCH $arch ($cpu)"
4667 if test "$build_suffix" != ""; then
4668 echo "build suffix $build_suffix"
4670 if test "$progs_suffix" != ""; then
4671 echo "progs suffix $progs_suffix"
4673 if test "$extra_version" != ""; then
4674 echo "version string suffix $extra_version"
4676 echo "big-endian ${bigendian-no}"
4677 echo "runtime cpu detection ${runtime_cpudetect-no}"
4678 if enabled x86; then
4679 echo "${yasmexe} ${yasm-no}"
4680 echo "MMX enabled ${mmx-no}"
4681 echo "MMXEXT enabled ${mmxext-no}"
4682 echo "3DNow! enabled ${amd3dnow-no}"
4683 echo "3DNow! extended enabled ${amd3dnowext-no}"
4684 echo "SSE enabled ${sse-no}"
4685 echo "SSSE3 enabled ${ssse3-no}"
4686 echo "AVX enabled ${avx-no}"
4687 echo "FMA4 enabled ${fma4-no}"
4688 echo "i686 features enabled ${i686-no}"
4689 echo "CMOV is fast ${fast_cmov-no}"
4690 echo "EBX available ${ebx_available-no}"
4691 echo "EBP available ${ebp_available-no}"
4693 if enabled arm; then
4694 echo "ARMv5TE enabled ${armv5te-no}"
4695 echo "ARMv6 enabled ${armv6-no}"
4696 echo "ARMv6T2 enabled ${armv6t2-no}"
4697 echo "VFP enabled ${vfp-no}"
4698 echo "NEON enabled ${neon-no}"
4699 echo "THUMB enabled ${thumb-no}"
4701 if enabled mips; then
4702 echo "MIPS FPU enabled ${mipsfpu-no}"
4703 echo "MIPS32R2 enabled ${mips32r2-no}"
4704 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4705 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4707 if enabled ppc; then
4708 echo "AltiVec enabled ${altivec-no}"
4709 echo "PPC 4xx optimizations ${ppc4xx-no}"
4710 echo "dcbzl available ${dcbzl-no}"
4712 if enabled sparc; then
4713 echo "VIS enabled ${vis-no}"
4715 echo "debug symbols ${debug-no}"
4716 echo "strip symbols ${stripping-no}"
4717 echo "optimize for size ${small-no}"
4718 echo "optimizations ${optimizations-no}"
4719 echo "static ${static-no}"
4720 echo "shared ${shared-no}"
4721 echo "postprocessing support ${postproc-no}"
4722 echo "new filter support ${avfilter-no}"
4723 echo "network support ${network-no}"
4724 echo "threading support ${thread_type-no}"
4725 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4726 echo "SDL support ${sdl-no}"
4727 echo "opencl enabled ${opencl-no}"
4728 echo "libzvbi enabled ${libzvbi-no}"
4729 echo "texi2html enabled ${texi2html-no}"
4730 echo "perl enabled ${perl-no}"
4731 echo "pod2man enabled ${pod2man-no}"
4732 echo "makeinfo enabled ${makeinfo-no}"
4733 test -n "$random_seed" &&
4734 echo "random seed ${random_seed}"
4737 echo "External libraries:"
4738 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4741 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4742 echo "Enabled ${type}s:"
4743 eval list=\$$(toupper $type)_LIST
4744 print_enabled '_*' $list | print_3_columns
4748 license="LGPL version 2.1 or later"
4749 if enabled nonfree; then
4750 license="nonfree and unredistributable"
4751 elif enabled gplv3; then
4752 license="GPL version 3 or later"
4753 elif enabled lgplv3; then
4754 license="LGPL version 3 or later"
4755 elif enabled gpl; then
4756 license="GPL version 2 or later"
4759 echo "License: $license"
4761 echo "Creating config.mak, config.h, and doc/config.texi..."
4763 test -e Makefile || $ln_s "$source_path/Makefile" .
4765 enabled stripping || strip="echo skipping strip"
4767 config_files="$TMPH config.mak doc/config.texi"
4769 cat > config.mak <<EOF
4770 # Automatically generated by configure - do not modify!
4771 ifndef FFMPEG_CONFIG_MAK
4773 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4775 LIBDIR=\$(DESTDIR)$libdir
4776 SHLIBDIR=\$(DESTDIR)$shlibdir
4777 INCDIR=\$(DESTDIR)$incdir
4778 BINDIR=\$(DESTDIR)$bindir
4779 DATADIR=\$(DESTDIR)$datadir
4780 DOCDIR=\$(DESTDIR)$docdir
4781 MANDIR=\$(DESTDIR)$mandir
4782 SRC_PATH=$source_path
4783 ifndef MAIN_MAKEFILE
4784 SRC_PATH:=\$(SRC_PATH:.%=..%)
4793 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4795 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4821 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4822 YASMFLAGS=$YASMFLAGS
4823 BUILDSUF=$build_suffix
4824 PROGSSUF=$progs_suffix
4832 EXTRA_VERSION=$extra_version
4835 CCDEP_FLAGS=$CCDEP_FLAGS
4837 ASDEP_FLAGS=$ASDEP_FLAGS
4838 CC_DEPFLAGS=$CC_DEPFLAGS
4839 AS_DEPFLAGS=$AS_DEPFLAGS
4842 HOSTCFLAGS=$host_cflags
4843 HOSTCPPFLAGS=$host_cppflags
4844 HOSTEXESUF=$HOSTEXESUF
4845 HOSTLDFLAGS=$host_ldflags
4848 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4849 HOSTCCDEP=$HOSTCCDEP
4850 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4851 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4855 TARGET_EXEC=$target_exec $target_exec_args
4856 TARGET_PATH=$target_path
4857 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
4858 LIBS-ffplay=$sdl_libs
4859 CFLAGS-ffplay=$sdl_cflags
4860 ZLIB=$($ldflags_filter -lz)
4861 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4862 EXTRALIBS=$extralibs
4863 COMPAT_OBJS=$compat_objs
4866 LIBTARGET=${LIBTARGET}
4867 SLIBNAME=${SLIBNAME}
4868 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4869 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4870 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4871 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4872 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4873 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4874 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4875 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4876 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4877 NOREDZONE_FLAGS=$noredzone_flags
4882 name=$(toupper $lcname)
4883 file=$source_path/$lcname/version.h
4884 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4885 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4886 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4887 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4888 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4891 map 'get_version $v' $LIBRARY_LIST
4894 /* Automatically generated by configure - do not modify! */
4895 #ifndef FFMPEG_CONFIG_H
4896 #define FFMPEG_CONFIG_H
4897 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4898 #define FFMPEG_LICENSE "$(c_escape $license)"
4899 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4900 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4901 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4902 #define av_restrict $_restrict
4903 #define EXTERN_PREFIX "${extern_prefix}"
4904 #define EXTERN_ASM ${extern_prefix}
4905 #define SLIBSUF "$SLIBSUF"
4906 #define HAVE_MMX2 HAVE_MMXEXT
4909 test -n "$assert_level" &&
4910 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4912 test -n "$malloc_prefix" &&
4913 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4915 if enabled yasm; then
4916 append config_files $TMPASM
4920 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
4924 echo "@c auto-generated by configure" > doc/config.texi
4926 print_config ARCH_ "$config_files" $ARCH_LIST
4927 print_config HAVE_ "$config_files" $HAVE_LIST
4928 print_config CONFIG_ "$config_files" $CONFIG_LIST \
4932 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4933 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4935 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4936 cp_if_changed $TMPH config.h
4939 enabled yasm && cp_if_changed $TMPASM config.asm
4942 /* Generated by ffconf */
4943 #ifndef AVUTIL_AVCONFIG_H
4944 #define AVUTIL_AVCONFIG_H
4947 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4949 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4951 cp_if_changed $TMPH libavutil/avconfig.h
4953 if test -n "$WARNINGS"; then
4954 printf "\n$WARNINGS"
4955 enabled fatal_warnings && exit 1
4958 # build pkg-config files
4960 pkgconfig_generate(){
4962 shortname=${name#lib}${build_suffix}
4967 enabled ${name#lib} || return 0
4969 cat <<EOF > $name/$name${build_suffix}.pc
4971 exec_prefix=\${prefix}
4976 Description: $comment
4978 Requires: $(enabled shared || echo $requires)
4979 Requires.private: $(enabled shared && echo $requires)
4981 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4982 Libs.private: $(enabled shared && echo $libs)
4983 Cflags: -I\${includedir}
4986 mkdir -p doc/examples/pc-uninstalled
4987 includedir=${source_path}
4988 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4989 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4992 libdir=\${pcfiledir}/../../../$name
4993 includedir=${includedir}
4996 Description: $comment
5000 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5001 Cflags: -I\${includedir}
5005 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5006 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
5007 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
5008 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
5009 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
5010 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
5011 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
5012 lavfi_libs=${lavfi_libs%, }
5014 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
5015 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
5017 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5018 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5019 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
5020 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
5021 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
5022 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5023 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5024 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5025 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5027 fix_ffmpeg_remote(){
5030 fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
5031 if [ "$fixme_remote" != "" ]; then
5033 Outdated domain in git config, the official domain for ffmpeg git is since
5034 November 2011, source.ffmpeg.org, both the old and the new point to the same
5035 repository and server. To update it enter the following commands:
5037 for remote in $fixme_remote; do
5038 echolog "git remote set-url $remote $git_remote_to"
5043 if test -f "$source_path/.git/config"; then
5044 remote_from=git.videolan.org
5045 remote_to=source.ffmpeg.org
5046 fix_ffmpeg_remote git@$remote_from:ffmpeg git@$remote_to:ffmpeg
5047 fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg