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 cc_default="c99wrap cl"
2627 ld_default="c99wrap link"
2628 nm_default="dumpbin -symbols"
2630 target_os_default="win32"
2633 cc_default="c99wrap -noconv icl"
2634 ld_default="c99wrap xilink"
2635 nm_default="dumpbin -symbols"
2637 target_os_default="win32"
2640 add_cflags -fprofile-arcs -ftest-coverage
2641 add_ldflags -fprofile-arcs -ftest-coverage
2644 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2645 add_ldflags -Wl,-z,relro -Wl,-z,now
2648 die "Unknown toolchain $toolchain"
2652 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2653 enabled cross_compile || host_cc_default=$cc
2656 if ! $pkg_config --version >/dev/null 2>&1; then
2657 warn "$pkg_config not found, library detection may fail."
2663 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2667 EXESUF=$(exesuf $target_os)
2668 HOSTEXESUF=$(exesuf $host_os)
2670 # set temporary file name
2671 : ${TMPDIR:=$TEMPDIR}
2675 if [ -n "$tempprefix" ] ; then
2677 echo $tempprefix.${HOSTNAME}.${UID}
2679 elif ! check_cmd mktemp -u XXXXXX; then
2680 # simple replacement for missing mktemp
2681 # NOT SAFE FOR GENERAL USE
2683 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2688 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2689 (set -C; exec > $tmp) 2>/dev/null ||
2690 die "Unable to create temporary file in $TMPDIR."
2691 append TMPFILES $tmp
2695 trap 'rm -f -- $TMPFILES' EXIT
2700 tmpfile TMPE $EXESUF
2711 # make sure we can execute files in $TMPDIR
2712 cat > $TMPSH 2>> $logfile <<EOF
2715 chmod +x $TMPSH >> $logfile 2>&1
2716 if ! $TMPSH >> $logfile 2>&1; then
2718 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2719 variable to another directory and make sure that it is not mounted noexec.
2721 die "Sanity test failed."
2727 -std=c99) echo -c99 ;;
2728 -mcpu=*) echo -arch ${flag#*=} ;;
2729 -mieee) echo -ieee ;;
2730 -O*|-fast) echo $flag ;;
2731 -fno-math-errno) echo -assume nomath_errno ;;
2733 -Wall) echo -msg_enable level2 ;;
2734 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2735 -Wl,*) echo $flag ;;
2745 -Wno-switch) echo -Wno-switch-enum ;;
2746 -Wno-format-zero-length) ;;
2747 -Wdisabled-optimization) ;;
2748 -Wno-pointer-sign) echo -Wno-other ;;
2754 msvc_common_flags(){
2757 # In addition to specifying certain flags under the compiler
2758 # specific filters, they must be specified here as well or else the
2759 # generic catch all at the bottom will print the original flag.
2763 -fomit-frame-pointer) ;;
2767 -fno-signed-zeros) ;;
2771 -lz) echo zlib.lib ;;
2772 -lavifil32) echo vfw32.lib ;;
2773 -lavicap32) echo vfw32.lib user32.lib ;;
2774 -l*) echo ${flag#-l}.lib ;;
2781 msvc_common_flags "$@"
2784 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2785 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2786 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2794 msvc_common_flags "$@"
2797 # Despite what Intel's documentation says -Wall, which is supported
2798 # on Windows, does enable remarks so disable them here.
2799 -Wall) echo $flag -Qdiag-disable:remark ;;
2800 -std=c99) echo -Qstd=c99 ;;
2808 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2809 -fomit-frame-pointer) echo -Mnoframe ;;
2820 case "${flag#*=}" in
2821 native) echo -xtarget=native ;;
2822 v9|niagara) echo -xarch=sparc ;;
2823 ultrasparc) echo -xarch=sparcvis ;;
2824 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2825 i586|pentium) echo -xchip=pentium ;;
2826 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2827 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2828 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2829 pentium4*) echo -xtarget=pentium4 ;;
2830 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2831 *-sse3) echo -xarch=sse3 ;;
2832 core2) echo -xarch=ssse3 -xchip=core2 ;;
2833 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2834 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2835 amdfam10|barcelona) echo -xtarget=barcelona ;;
2836 bdver*) echo -xarch=avx ;;
2837 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2838 k8|opteron|athlon64|athlon-fx)
2839 echo -xarch=sse2a ;;
2840 athlon*) echo -xarch=pentium_proa ;;
2843 -std=c99) echo -xc99 ;;
2844 -fomit-frame-pointer) echo -xregs=frameptr ;;
2845 -fPIC) echo -KPIC -xcode=pic32 ;;
2846 -W*,*) echo $flag ;;
2847 -f*-*|-W*|-mimpure-text) ;;
2858 case "${flag#*=}" in
2859 armv7-a|cortex-a*) echo -mv=7a8 ;;
2860 armv7-r|cortex-r*) echo -mv=7r4 ;;
2861 armv7-m|cortex-m*) echo -mv=7m3 ;;
2862 armv6*|arm11*) echo -mv=6 ;;
2863 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2865 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2868 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2869 -mfpu=vfp) echo --float_support=vfpv2 ;;
2870 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2871 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2872 -msoft-float) echo --float_support=vfplib ;;
2873 -O[0-3]|-mf=*) echo $flag ;;
2875 -pds=*) echo $flag ;;
2876 -D*|-I*) echo $flag ;;
2877 --gcc|--abi=*) echo $flag ;;
2887 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2888 unset _ld_o _ldflags _ld_lib _ld_path
2889 unset _depflags _DEPCMD _DEPFLAGS
2892 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
2893 true # no-op to avoid reading stdin in following checks
2894 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2896 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2897 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2898 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2901 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2903 gcc_version=$($_cc --version | head -n1)
2904 gcc_basever=$($_cc -dumpversion)
2905 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2906 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2907 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2908 if ! $_cc -dumpversion | grep -q '^2\.'; then
2909 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2913 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2915 _ident=$($_cc --version | head -n1)
2920 elif $_cc -v 2>&1 | grep -q xlc; then
2922 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2924 _cflags_size='-O5 -qcompact'
2925 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2927 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2929 _cflags_speed='-fast'
2931 _flags_filter=ccc_flags
2932 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2933 test -d "$sysroot" || die "No valid sysroot specified."
2935 _ident=$($_cc --vsn | head -n1)
2936 armcc_conf="$PWD/armcc.conf"
2937 $_cc --arm_linux_configure \
2938 --arm_linux_config_file="$armcc_conf" \
2939 --configure_sysroot="$sysroot" \
2940 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2941 die "Error creating armcc configuration file."
2942 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2943 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2944 as_default="${cross_prefix}gcc"
2948 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2950 _ident=$($_cc -version | head -n1 | tr -s ' ')
2951 _flags='--gcc --abi=eabi -me'
2954 _depflags='-ppa -ppd=$(@:.o=.d)'
2955 _cflags_speed='-O3 -mf=5'
2956 _cflags_size='-O3 -mf=2'
2957 _flags_filter=tms470_flags
2958 elif $_cc -v 2>&1 | grep -q clang; then
2960 _ident=$($_cc --version | head -n1)
2964 elif $_cc -V 2>&1 | grep -q Sun; then
2966 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2967 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2968 _DEPFLAGS='-xM1 -xc99'
2971 _cflags_size='-O5 -xspace'
2972 _flags_filter=suncc_flags
2973 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2975 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2976 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2979 _flags_filter='filter_out -Wdisabled-optimization'
2980 elif $_cc -v 2>&1 | grep -q Open64; then
2982 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2983 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2986 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2987 elif $_cc -V 2>&1 | grep -q Portland; then
2989 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2990 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2991 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2992 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2994 _flags_filter=pgi_flags
2995 elif $_cc 2>&1 | grep -q Microsoft; then
2997 _ident=$($cc 2>&1 | head -n1)
2998 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2999 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3002 # Nonstandard output options, to avoid msys path conversion issues.
3003 # Relies on wrapper to remap it.
3004 if $_cc 2>&1 | grep -q Linker; then
3011 _flags_filter=msvc_flags
3013 _ld_path='-libpath:'
3015 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3016 if [ $pfx = hostcc ]; then
3017 append _cflags -Dsnprintf=_snprintf
3020 elif $_cc 2>&1 | grep -q Intel; then
3022 _ident=$($cc 2>&1 | head -n1)
3023 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3024 # Not only is O3 broken on 13.x+ but it is slower on all previous
3025 # versions (tested) as well.
3027 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3028 # Nonstandard output options, to avoid msys path conversion issues.
3029 # Relies on wrapper to remap it.
3030 if $_cc 2>&1 | grep -q Linker; then
3037 _flags_filter=icl_flags
3039 _ld_path='-libpath:'
3040 # -Qdiag-error to make icl error when seeing certain unknown arguments
3041 _flags='-nologo -Qdiag-error:4044,10157'
3042 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3043 # with MSVC which enables it by default.
3044 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3045 if [ $pfx = hostcc ]; then
3046 append _cflags -Dsnprintf=_snprintf
3048 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3050 _ident=$($_cc --version | head -n1)
3054 _flags_filter=cparser_flags
3057 eval ${pfx}_type=\$_type
3058 eval ${pfx}_ident=\$_ident
3062 eval ${1}_C=\${_cc_c-\${${1}_C}}
3063 eval ${1}_E=\${_cc_e-\${${1}_E}}
3064 eval ${1}_O=\${_cc_o-\${${1}_O}}
3066 if [ -n "$_depflags" ]; then
3067 eval ${1}_DEPFLAGS=\$_depflags
3069 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3070 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3071 eval DEP${1}FLAGS=\$_flags
3076 cflags_filter=$_flags_filter
3077 cflags_speed=$_cflags_speed
3078 cflags_size=$_cflags_size
3079 cflags_noopt=$_cflags_noopt
3080 add_cflags $_flags $_cflags
3081 cc_ldflags=$_ldflags
3084 probe_cc hostcc "$host_cc"
3085 host_cflags_filter=$_flags_filter
3086 add_host_cflags $_flags $_cflags
3089 test -n "$cc_type" && enable $cc_type ||
3090 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3092 : ${as_default:=$cc}
3093 : ${dep_cc_default:=$cc}
3094 : ${ld_default:=$cc}
3095 : ${host_ld_default:=$host_cc}
3096 set_default ar as dep_cc ld host_ld
3099 asflags_filter=$_flags_filter
3100 add_asflags $_flags $_cflags
3104 ldflags_filter=$_flags_filter
3105 add_ldflags $_flags $_ldflags
3106 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3108 LD_LIB=${_ld_lib-$LD_LIB}
3109 LD_PATH=${_ld_path-$LD_PATH}
3111 probe_cc hostld "$host_ld"
3112 host_ldflags_filter=$_flags_filter
3113 add_host_ldflags $_flags $_ldflags
3114 HOSTLD_O=${_ld_o-$HOSTLD_O}
3116 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3117 probe_cc depcc "$dep_cc"
3118 CCDEP=${_DEPCMD:-$DEPCMD}
3119 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3123 if $ar 2>&1 | grep -q Microsoft; then
3126 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3129 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3130 arflags='-Xany -r -c'
3137 add_cflags $extra_cflags
3138 add_cxxflags $extra_cxxflags
3139 add_asflags $extra_cflags
3141 if test -n "$sysroot"; then
3144 add_cppflags --sysroot="$sysroot"
3145 add_ldflags --sysroot="$sysroot"
3148 add_cppflags -I"$sysinclude"
3149 add_ldflags --sysroot="$sysroot"
3154 if test "$cpu" = host; then
3155 enabled cross_compile &&
3156 die "--cpu=host makes no sense when cross-compiling."
3161 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3163 s/.*$1=\\([^ ]*\\).*/\\1/
3168 cpu=$(check_native -march || check_native -mcpu)
3172 test "${cpu:-host}" = host &&
3173 die "--cpu=host not supported with compiler $cc"
3176 # Deal with common $arch aliases
3190 "Power Macintosh"|ppc*|powerpc*)
3205 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3210 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3213 # Add processor-specific flags
3214 if enabled aarch64; then
3218 cpuflags="-march=$cpu"
3221 cpuflags="-mcpu=$cpu"
3225 elif enabled alpha; then
3227 cpuflags="-mcpu=$cpu"
3229 elif enabled arm; then
3232 check_cpp_condition stddef.h \
3233 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3238 if check_arm_arch 4; then echo armv4;
3239 elif check_arm_arch 4T; then echo armv4t;
3240 elif check_arm_arch 5; then echo armv5;
3241 elif check_arm_arch 5E; then echo armv5e;
3242 elif check_arm_arch 5T; then echo armv5t;
3243 elif check_arm_arch 5TE; then echo armv5te;
3244 elif check_arm_arch 5TEJ; then echo armv5te;
3245 elif check_arm_arch 6; then echo armv6;
3246 elif check_arm_arch 6J; then echo armv6j;
3247 elif check_arm_arch 6K; then echo armv6k;
3248 elif check_arm_arch 6Z; then echo armv6z;
3249 elif check_arm_arch 6ZK; then echo armv6zk;
3250 elif check_arm_arch 6T2; then echo armv6t2;
3251 elif check_arm_arch 7; then echo armv7;
3252 elif check_arm_arch 7A 7_A; then echo armv7-a;
3253 elif check_arm_arch 7R 7_R; then echo armv7-r;
3254 elif check_arm_arch 7M 7_M; then echo armv7-m;
3255 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3256 elif check_arm_arch 8A 8_A; then echo armv8-a;
3260 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3264 cpuflags="-march=$cpu"
3265 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3268 cpuflags="-mcpu=$cpu"
3270 cortex-a*) subarch=armv7a ;;
3271 cortex-r*) subarch=armv7r ;;
3272 cortex-m*) enable thumb; subarch=armv7m ;;
3273 arm11*) subarch=armv6 ;;
3274 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3275 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3276 *) subarch=$(probe_arm_arch) ;;
3282 armv5t*) enable fast_clz ;;
3283 armv[6-8]*) enable fast_clz fast_unaligned ;;
3286 elif enabled avr32; then
3291 cpuflags="-mpart=$cpu"
3295 cpuflags="-march=$cpu"
3299 cpuflags="-mcpu=$cpu"
3303 cpuflags="-march=$cpu"
3307 elif enabled bfin; then
3309 cpuflags="-mcpu=$cpu"
3311 elif enabled mips; then
3313 cpuflags="-march=$cpu"
3329 24kef*|34kf*|1004kf*)
3337 elif enabled ppc; then
3339 case $(tolower $cpu) in
3340 601|ppc601|powerpc601)
3341 cpuflags="-mcpu=601"
3344 603*|ppc603*|powerpc603*)
3345 cpuflags="-mcpu=603"
3348 604*|ppc604*|powerpc604*)
3349 cpuflags="-mcpu=604"
3352 g3|75*|ppc75*|powerpc75*)
3353 cpuflags="-mcpu=750"
3356 g4|745*|ppc745*|powerpc745*)
3357 cpuflags="-mcpu=7450"
3359 74*|ppc74*|powerpc74*)
3360 cpuflags="-mcpu=7400"
3362 g5|970|ppc970|powerpc970)
3363 cpuflags="-mcpu=970"
3366 cpuflags="-mcpu=$cpu"
3369 cpuflags="-mcpu=cell"
3373 cpuflags="-mcpu=e500mc"
3377 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3381 cpuflags="-mcpu=8540 -mhard-float"
3386 elif enabled sparc; then
3389 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3390 cpuflags="-mcpu=$cpu"
3393 ultrasparc*|niagara[234])
3394 cpuflags="-mcpu=$cpu"
3398 elif enabled x86; then
3402 cpuflags="-march=$cpu"
3405 # targets that do NOT support nopl and conditional mov (cmov)
3406 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3407 cpuflags="-march=$cpu"
3410 # targets that do support nopl and conditional mov (cmov)
3411 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*)
3412 cpuflags="-march=$cpu"
3416 # targets that do support conditional mov but on which it's slow
3417 pentium4|pentium4m|prescott|nocona)
3418 cpuflags="-march=$cpu"
3426 if [ "$cpu" != generic ]; then
3427 add_cflags $cpuflags
3428 add_asflags $cpuflags
3431 # compiler sanity check
3433 int main(void){ return 0; }
3435 if test "$?" != 0; then
3436 echo "$cc is unable to create an executable file."
3437 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3438 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3439 echo "Only do this if you know what cross compiling means."
3441 die "C compiler test failed."
3444 add_cppflags -D_ISOC99_SOURCE
3445 add_cxxflags -D__STDC_CONSTANT_MACROS
3446 check_cflags -std=c99
3447 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3450 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3454 check_host_cflags -std=c99
3455 check_host_cflags -Wall
3461 check_code cc "" "int test[2*($expr) - 1]" &&
3462 subarch=$arch64 || subarch=$arch32
3470 check_64bit mips mips64 '_MIPS_SIM > 1'
3474 check_64bit parisc parisc64 'sizeof(void *) > 4'
3478 check_64bit ppc ppc64 'sizeof(void *) > 4'
3482 check_64bit sparc sparc64 'sizeof(void *) > 4'
3486 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3487 if test "$subarch" = "x86_64"; then
3492 check_cc <<EOF && subarch="ppc64"
3493 int test[(int)sizeof(char*) - 7];
3499 enabled spic && enable_weak pic
3505 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3506 enabled shared && add_ldflags -Wl,-brtl
3509 prefix_default="/boot/common"
3510 network_extralibs="-lnetwork"
3514 SHFLAGS='-shared -Wl,-h,$$(@F)'
3515 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3516 network_extralibs="-lsocket -lnsl"
3517 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3518 # When using suncc to build, the Solaris linker will mark
3519 # an executable with each instruction set encountered by
3520 # the Solaris assembler. As our libraries contain their own
3521 # guards for processor-specific code, instead suppress
3522 # generation of the HWCAPS ELF section on Solaris x86 only.
3523 enabled_all suncc x86 &&
3524 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3525 add_ldflags -Wl,-M,mapfile
3526 nm_default='nm -P -g'
3530 oss_indev_extralibs="-lossaudio"
3531 oss_outdev_extralibs="-lossaudio"
3532 enabled gcc || check_ldflags -Wl,-zmuldefs
3537 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3539 oss_indev_extralibs="-lossaudio"
3540 oss_outdev_extralibs="-lossaudio"
3548 add_extralibs -lpoll -lgnugetopt
3552 gas="gas-preprocessor.pl $cc"
3553 enabled ppc && add_asflags -force_cpusubtype_ALL
3554 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3555 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3557 add_ldflags -Wl,-dynamic,-search_paths_first
3559 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3560 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3562 enabled x86_64 && objformat="macho64"
3563 enabled_any pic shared ||
3564 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3567 if test $target_os = "mingw32ce"; then
3573 if enabled x86_64; then
3574 LIBTARGET="i386:x86-64"
3575 elif enabled arm; then
3578 check_ldflags -Wl,--nxcompat
3579 check_ldflags -Wl,--dynamicbase
3580 shlibdir_default="$bindir_default"
3583 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3584 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3585 dlltool="${cross_prefix}dlltool"
3586 if check_cmd lib.exe -list; then
3587 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3588 if enabled x86_64; then
3591 elif check_cmd $dlltool --version; then
3592 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3594 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3596 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3597 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3598 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3604 if enabled shared; then
3605 # Link to the import library instead of the normal static library
3608 # Cannot build both shared and static libs with MSVC or icl.
3611 shlibdir_default="$bindir_default"
3614 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3615 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3616 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3617 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3619 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3620 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3621 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3628 shlibdir_default="$bindir_default"
3631 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3632 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3633 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3635 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3636 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3640 *-dos|freedos|opendos)
3641 network_extralibs="-lsocket"
3644 add_cppflags -U__STRICT_ANSI__
3651 ranlib="echo ignoring ranlib"
3657 add_cppflags -D_GNU_SOURCE
3658 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3659 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3663 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3664 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3665 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3666 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3667 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3668 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3669 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3670 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3671 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3672 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3673 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3675 enable_weak os2threads
3678 add_cppflags -D_BSD_SOURCE
3683 add_cppflags -D_QNX_SOURCE
3684 network_extralibs="-lsocket"
3689 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3690 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3691 add_ldflags -Wl,--target1-abs,--no-undefined \
3692 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3693 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3694 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3695 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3696 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3699 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3704 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3705 -D_REENTRANT_SOURCE \
3706 -D_RESEARCH_SOURCE \
3709 add_compat strtod.o strtod=avpriv_strtod
3710 network_extralibs='-lbsd'
3711 exeobjs=compat/plan9/main.o
3718 die "Unknown OS '$target_os'."
3722 # determine libc flavour
3724 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3725 if check_cpp_condition features.h "defined __UCLIBC__"; then
3727 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3728 elif check_cpp_condition features.h "defined __GLIBC__"; then
3730 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3731 # MinGW headers can be installed on Cygwin, so check for newlib first.
3732 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3734 add_cppflags -U__STRICT_ANSI__
3735 elif check_header _mingw.h; then
3737 check_cpp_condition _mingw.h \
3738 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3739 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3740 die "ERROR: MinGW runtime version must be >= 3.15."
3741 add_cppflags -U__STRICT_ANSI__
3742 if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3743 __MINGW64_VERSION_MAJOR < 3"; then
3744 add_compat msvcrt/snprintf.o
3745 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3747 add_cppflags -D__USE_MINGW_ANSI_STDIO=1
3749 elif check_func_headers stdlib.h _get_doserrno; then
3751 add_compat strtod.o strtod=avpriv_strtod
3752 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3753 _snprintf=avpriv_snprintf \
3754 vsnprintf=avpriv_vsnprintf
3755 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3756 # 0x601 by default unless something else is set by the user.
3757 # This can easily lead to us detecting functions only present
3758 # in such new versions and producing binaries requiring windows 7.0.
3759 # Therefore explicitly set the default to XP unless the user has
3760 # set something else on the command line.
3761 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
3762 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3764 elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3766 add_compat strtod.o strtod=avpriv_strtod
3769 test -n "$libc_type" && enable $libc_type
3771 # hacks for compiler/libc/os combinations
3773 if enabled_all tms470 glibc; then
3774 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3775 add_cppflags -D__USER_LABEL_PREFIX__=
3776 add_cppflags -D__builtin_memset=memset
3777 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3778 add_cflags -pds=48 # incompatible redefinition of macro
3781 if enabled_all ccc glibc; then
3782 add_ldflags -Wl,-z,now # calls to libots crash without this
3786 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3789 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3791 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3793 set_default $PATHS_LIST
3796 # we need to build at least one lib type
3797 if ! enabled_any static shared; then
3799 At least one library type must be built.
3800 Specify --enable-static to build the static libraries or --enable-shared to
3801 build the shared libraries as well. To only build the shared libraries specify
3802 --disable-static in addition to --enable-shared.
3807 # backward compatibility layer for incompatible_libav/fork_abi
3808 enabled incompatible_fork_abi && enable incompatible_libav_abi
3809 enabled incompatible_libav_abi && enable incompatible_fork_abi
3811 die_license_disabled() {
3812 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3815 die_license_disabled_gpl() {
3816 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3819 die_license_disabled gpl frei0r
3820 die_license_disabled gpl libcdio
3821 die_license_disabled gpl libutvideo
3822 die_license_disabled gpl libvidstab
3823 die_license_disabled gpl libx264
3824 die_license_disabled gpl libxavs
3825 die_license_disabled gpl libxvid
3826 die_license_disabled gpl libzvbi
3827 die_license_disabled gpl x11grab
3829 die_license_disabled nonfree libaacplus
3830 die_license_disabled nonfree libfaac
3831 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3832 enabled gpl && die_license_disabled_gpl nonfree openssl
3834 die_license_disabled version3 libopencore_amrnb
3835 die_license_disabled version3 libopencore_amrwb
3836 die_license_disabled version3 libvo_aacenc
3837 die_license_disabled version3 libvo_amrwbenc
3839 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3841 disabled optimizations || check_cflags -fomit-frame-pointer
3844 disabled pic && return
3847 case "$target_os" in
3857 enabled pic && enable_weak_pic
3859 check_cc <<EOF || die "Symbol mangling check failed."
3862 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3863 extern_prefix=${sym%%ff_extern*}
3865 check_cc <<EOF && enable_weak inline_asm
3866 void foo(void) { __asm__ volatile ("" ::); }
3870 for restrict_keyword in restrict __restrict__ __restrict; do
3871 check_cc <<EOF && _restrict=$restrict_keyword && break
3872 void foo(char * $restrict_keyword p);
3876 check_cc <<EOF && enable pragma_deprecated
3877 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3880 check_cc <<EOF && enable attribute_packed
3881 struct { int x; } __attribute__((packed)) x;
3884 check_cc <<EOF && enable attribute_may_alias
3885 union { int x; } __attribute__((may_alias)) x;
3888 check_cc <<EOF || die "endian test failed"
3889 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3891 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3893 check_inline_asm inline_asm_labels '"1:\n"'
3895 if enabled alpha; then
3899 elif enabled arm; then
3901 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
3902 float func(float a, float b){ return a+b; }
3905 enabled thumb && check_cflags -mthumb || check_cflags -marm
3908 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3910 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3911 case "${cross_prefix:-$cc}" in
3912 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3913 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3914 __asm__ (".eabi_attribute 28, 1");
3915 int main(void) { return 0; }
3918 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3921 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3922 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3923 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3924 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3925 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3926 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3928 [ $target_os = linux ] ||
3929 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3932 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3933 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3935 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
3937 elif enabled mips; then
3939 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3940 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3941 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
3942 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3943 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3944 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3945 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3946 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3947 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
3949 elif enabled parisc; then
3951 if enabled gcc; then
3952 case $($cc -dumpversion) in
3953 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3957 elif enabled ppc; then
3959 enable local_aligned_8 local_aligned_16
3961 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3962 check_inline_asm ibm_asm '"add 0, 0, 0"'
3963 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3964 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3966 # AltiVec flags: The FSF version of GCC differs from the Apple version
3967 if enabled altivec; then
3968 if ! enabled_any pic ppc64; then
3971 check_cflags -maltivec -mabi=altivec &&
3972 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3973 check_cflags -faltivec
3975 # check if our compiler supports Motorola AltiVec C API
3976 check_cc <<EOF || disable altivec
3979 vector signed int v1 = (vector signed int) { 0 };
3980 vector signed int v2 = (vector signed int) { 1 };
3981 v1 = vec_add(v1, v2);
3986 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3989 elif enabled sparc; then
3991 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
3993 elif enabled x86; then
3995 check_builtin rdtsc intrin.h "__rdtsc()"
3996 check_builtin mm_empty mmintrin.h "_mm_empty()"
3998 enable local_aligned_8 local_aligned_16
4000 # check whether EBP is available on x86
4001 # As 'i' is stored on the stack, this program will crash
4002 # if the base pointer is used to access it because the
4003 # base pointer is cleared in the inline assembly code.
4004 check_exec_crash <<EOF && enable ebp_available
4006 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4010 # check whether EBX is available on x86
4011 check_inline_asm ebx_available '""::"b"(0)' &&
4012 check_inline_asm ebx_available '"":::"%ebx"'
4014 # check whether xmm clobbers are supported
4015 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4017 # check whether binutils is new enough to compile SSSE3/MMXEXT
4018 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4019 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4021 if ! disabled_any asm mmx yasm; then
4022 if check_cmd $yasmexe --version; then
4023 enabled x86_64 && yasm_extra="-m amd64"
4024 yasm_debug="-g dwarf2"
4025 elif check_cmd nasm -v; then
4027 yasm_debug="-g -F dwarf"
4028 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4031 YASMFLAGS="-f $objformat $yasm_extra"
4032 enabled pic && append YASMFLAGS "-DPIC"
4033 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4034 case "$objformat" in
4035 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4038 check_yasm "movbe ecx, [5]" && enable yasm ||
4039 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4040 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4041 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4042 check_yasm "CPU amdnop" && enable cpunop
4046 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4053 if enabled asm; then
4055 check_as <<EOF && enable gnu_as || \
4056 $nogas "GNU assembler not found, install gas-preprocessor"
4064 check_ldflags -Wl,--as-needed
4066 if check_func dlopen; then
4068 elif check_func dlopen -ldl; then
4072 if ! disabled network; then
4073 check_type "sys/types.h sys/socket.h" socklen_t
4074 check_type netdb.h "struct addrinfo"
4075 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4076 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4077 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4078 check_type netinet/in.h "struct sockaddr_in6"
4079 check_type poll.h "struct pollfd"
4080 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4081 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4082 check_type netinet/sctp.h "struct sctp_event_subscribe"
4083 check_func getaddrinfo $network_extralibs
4084 check_func getservbyport $network_extralibs
4085 # Prefer arpa/inet.h over winsock2
4086 if check_header arpa/inet.h ; then
4087 check_func closesocket
4088 elif check_header winsock2.h ; then
4089 check_func_headers winsock2.h closesocket -lws2 &&
4090 network_extralibs="-lws2" ||
4091 { check_func_headers winsock2.h closesocket -lws2_32 &&
4092 network_extralibs="-lws2_32"; }
4093 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4094 check_type ws2tcpip.h socklen_t
4095 check_type ws2tcpip.h "struct addrinfo"
4096 check_type ws2tcpip.h "struct group_source_req"
4097 check_type ws2tcpip.h "struct ip_mreq_source"
4098 check_type ws2tcpip.h "struct ipv6_mreq"
4099 check_type winsock2.h "struct pollfd"
4100 check_type ws2tcpip.h "struct sockaddr_in6"
4101 check_type ws2tcpip.h "struct sockaddr_storage"
4102 check_struct winsock2.h "struct sockaddr" sa_len
4108 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4109 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4112 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4115 check_func_headers stdlib.h getenv
4116 check_func gethrtime
4118 check_func getrusage
4119 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4120 check_func gettimeofday
4121 check_func inet_aton $network_extralibs
4123 check_func localtime_r
4124 check_func ${malloc_prefix}memalign && enable memalign
4128 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4129 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4130 check_func setrlimit
4131 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4132 check_func strerror_r
4133 check_func sched_getaffinity
4134 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4135 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4136 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4137 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4138 check_builtin sarestart signal.h "SA_RESTART"
4142 check_func_headers conio.h kbhit
4143 check_func_headers windows.h PeekNamedPipe
4144 check_func_headers io.h setmode
4145 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4146 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4147 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4148 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4149 check_func_headers windows.h GetProcessAffinityMask
4150 check_func_headers windows.h GetProcessTimes
4151 check_func_headers windows.h GetSystemTimeAsFileTime
4152 check_func_headers windows.h MapViewOfFile
4153 check_func_headers windows.h SetConsoleTextAttribute
4154 check_func_headers windows.h Sleep
4155 check_func_headers windows.h VirtualAlloc
4156 check_func_headers glob.h glob
4157 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4159 check_header cl/cl.h
4160 check_header direct.h
4161 check_header dlfcn.h
4163 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4165 check_header libcrystalhd/libcrystalhd_if.h
4166 check_header malloc.h
4168 check_header sys/mman.h
4169 check_header sys/param.h
4170 check_header sys/resource.h
4171 check_header sys/select.h
4172 check_header sys/time.h
4173 check_header sys/un.h
4174 check_header termios.h
4175 check_header unistd.h
4176 check_header vdpau/vdpau.h
4177 check_header vdpau/vdpau_x11.h
4178 check_header VideoDecodeAcceleration/VDADecoder.h
4179 check_header windows.h
4180 check_header X11/extensions/XvMClib.h
4181 check_header asm/types.h
4183 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4184 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4186 if ! disabled w32threads && ! enabled pthreads; then
4187 check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
4190 # check for some common methods of building with pthread support
4191 # do this before the optional library checks as some of them require pthreads
4192 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4194 if check_func pthread_create; then
4196 elif check_func pthread_create -pthread; then
4198 add_extralibs -pthread
4199 elif check_func pthread_create -pthreads; then
4200 add_cflags -pthreads
4201 add_extralibs -pthreads
4202 elif check_func pthread_create -lpthreadGC2; then
4203 add_extralibs -lpthreadGC2
4204 elif ! check_lib pthread.h pthread_create -lpthread; then
4209 for thread in $THREADS_LIST; do
4210 if enabled $thread; then
4211 test -n "$thread_type" &&
4212 die "ERROR: Only one thread type must be selected." ||
4213 thread_type="$thread"
4217 if enabled pthreads; then
4218 check_func pthread_cancel
4221 enabled sync_val_compare_and_swap && enable atomics_gcc
4222 enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
4223 enabled MemoryBarrier && enable atomics_win32
4225 check_lib math.h sin -lm && LIBM="-lm"
4226 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4232 for func in $MATH_FUNCS; do
4233 eval check_mathfunc $func \${${func}_args:-1}
4236 # these are off by default, so fail if requested and not available
4237 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4238 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4239 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4240 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4241 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4242 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4243 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4244 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4245 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4246 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4247 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4248 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4249 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4250 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4251 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4252 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4253 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4254 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"
4255 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4256 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
4257 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4258 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4259 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4260 done || die "ERROR: libgsm not found"; }
4261 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4262 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4263 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4264 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4265 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4266 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4267 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4268 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4269 check_lib openjpeg.h opj_version -lopenjpeg ||
4270 die "ERROR: libopenjpeg not found"; }
4271 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4272 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4273 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4274 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4275 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4276 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4277 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4278 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4279 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4280 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4281 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4282 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4283 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4284 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4285 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4286 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4287 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4288 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4289 enabled libvidstab && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4290 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4291 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4292 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4294 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4295 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4296 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 ||
4297 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4298 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4299 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
4300 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4301 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4302 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4303 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4304 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4305 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4306 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4307 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4308 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4309 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4310 die "ERROR: openal not found"; } &&
4311 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4312 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4313 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4314 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4315 die "ERROR: opencl not found"; } &&
4316 { ! enabled_any w32threads os2threads ||
4317 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4318 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4319 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4320 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4321 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4322 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4323 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4324 die "ERROR: openssl not found"; }
4326 if enabled gnutls; then
4327 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4328 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4332 if enabled libdc1394; then
4333 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4334 enable libdc1394_2; } ||
4335 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4336 enable libdc1394_1; } ||
4337 die "ERROR: No version of libdc1394 found "
4340 SDL_CONFIG="${cross_prefix}sdl-config"
4341 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4342 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4343 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4346 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4347 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4348 sdl_libs=$("${SDL_CONFIG}" --libs)
4349 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4350 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4351 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4355 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4357 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4358 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4359 perl --version > /dev/null 2>&1 && enable perl || disable perl
4360 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4361 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4363 check_header linux/fb.h
4364 check_header linux/videodev.h
4365 check_header linux/videodev2.h
4366 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4368 check_header sys/videoio.h
4370 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4371 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4372 # w32api 3.12 had it defined wrong
4373 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4375 check_type "dshow.h" IBaseFilter
4377 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4378 { check_header dev/bktr/ioctl_meteor.h &&
4379 check_header dev/bktr/ioctl_bt848.h; } ||
4380 { check_header machine/ioctl_meteor.h &&
4381 check_header machine/ioctl_bt848.h; } ||
4382 { check_header dev/video/meteor/ioctl_meteor.h &&
4383 check_header dev/video/bktr/ioctl_bt848.h; } ||
4384 check_header dev/ic/bt8xx.h
4386 check_header sndio.h
4387 if check_struct sys/soundcard.h audio_buf_info bytes; then
4388 enable_safe sys/soundcard.h
4390 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4391 #include <sys/soundcard.h>
4395 check_header soundcard.h
4397 enabled_any alsa_indev alsa_outdev &&
4398 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4400 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4401 check_func jack_port_get_latency_range -ljack
4403 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4405 if enabled libcdio; then
4406 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4407 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4408 die "ERROR: libcdio-paranoia not found"
4412 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
4413 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4414 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
4417 check_lib va/va.h vaInitialize -lva ||
4421 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4424 # Funny iconv installations are not unusual, so check it after all flags have been set
4425 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4427 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4429 # add some useful compiler flags if supported
4430 check_cflags -Wdeclaration-after-statement
4432 check_cflags -Wdisabled-optimization
4433 check_cflags -Wpointer-arith
4434 check_cflags -Wredundant-decls
4435 check_cflags -Wwrite-strings
4436 check_cflags -Wtype-limits
4437 check_cflags -Wundef
4438 check_cflags -Wmissing-prototypes
4439 check_cflags -Wno-pointer-to-int-cast
4440 check_cflags -Wstrict-prototypes
4441 enabled extra_warnings && check_cflags -Winline
4443 check_disable_warning(){
4444 warning_flag=-W${1#-Wno-}
4445 test_cflags $warning_flag && add_cflags $1
4448 check_disable_warning -Wno-parentheses
4449 check_disable_warning -Wno-switch
4450 check_disable_warning -Wno-format-zero-length
4451 check_disable_warning -Wno-pointer-sign
4453 # add some linker flags
4454 check_ldflags -Wl,--warn-common
4455 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4456 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4458 enabled xmm_clobber_test &&
4459 check_ldflags -Wl,--wrap,avcodec_open2 \
4460 -Wl,--wrap,avcodec_decode_audio4 \
4461 -Wl,--wrap,avcodec_decode_video2 \
4462 -Wl,--wrap,avcodec_decode_subtitle2 \
4463 -Wl,--wrap,avcodec_encode_audio2 \
4464 -Wl,--wrap,avcodec_encode_video \
4465 -Wl,--wrap,avcodec_encode_video2 \
4466 -Wl,--wrap,avcodec_encode_subtitle \
4467 -Wl,--wrap,sws_scale ||
4468 disable xmm_clobber_test
4471 if test_ldflags -Wl,--version-script,$TMPV; then
4472 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4473 check_cc <<EOF && enable symver_asm_label
4474 void ff_foo(void) __asm__ ("av_foo@VERSION");
4475 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4477 check_cc <<EOF && enable symver_gnu_asm
4478 __asm__(".symver ff_foo,av_foo@VERSION");
4479 void ff_foo(void) {}
4483 if [ -z "$optflags" ]; then
4484 if enabled small; then
4485 optflags=$cflags_size
4486 elif enabled optimizations; then
4487 optflags=$cflags_speed
4489 optflags=$cflags_noopt
4495 enabled lto && check_ldflags "$@"
4499 if enabled lto; then
4500 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4502 check_ldflags -flto $cpuflags
4505 check_optflags $optflags
4506 check_optflags -fno-math-errno
4507 check_optflags -fno-signed-zeros
4509 enabled ftrapv && check_cflags -ftrapv
4511 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4516 if enabled icc; then
4517 # Just warnings, no remarks
4519 # -wd: Disable following warnings
4520 # 144, 167, 556: -Wno-pointer-sign
4521 # 188: enumerated type mixed with another type
4522 # 1292: attribute "foo" ignored
4523 # 1419: external declaration in primary source file
4524 # 10006: ignoring unknown option -fno-signed-zeros
4525 # 10148: ignoring unknown option -Wno-parentheses
4526 # 10156: ignoring option '-W'; no argument required
4527 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4528 # 11030: Warning unknown option --as-needed
4529 # 10156: ignoring option '-export'; no argument required
4530 check_ldflags -wd10156,11030
4531 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4532 enable ebp_available
4533 if enabled x86_32; then
4534 icc_version=$($cc -dumpversion)
4535 test ${icc_version%%.*} -ge 11 &&
4536 check_cflags -falign-stack=maintain-16-byte ||
4537 disable aligned_stack
4539 elif enabled ccc; then
4540 # disable some annoying warnings
4541 add_cflags -msg_disable bitnotint
4542 add_cflags -msg_disable mixfuncvoid
4543 add_cflags -msg_disable nonstandcast
4544 add_cflags -msg_disable unsupieee
4545 elif enabled gcc; then
4546 check_optflags -fno-tree-vectorize
4547 check_cflags -Werror=implicit-function-declaration
4548 check_cflags -Werror=missing-prototypes
4549 check_cflags -Werror=return-type
4550 check_cflags -Werror=vla
4551 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4552 elif enabled llvm_gcc; then
4553 check_cflags -mllvm -stack-alignment=16
4554 elif enabled clang; then
4555 check_cflags -mllvm -stack-alignment=16
4556 check_cflags -Qunused-arguments
4557 check_cflags -Werror=implicit-function-declaration
4558 check_cflags -Werror=missing-prototypes
4559 check_cflags -Werror=return-type
4560 elif enabled cparser; then
4561 add_cflags -Wno-missing-variable-declarations
4562 add_cflags -Wno-empty-statement
4563 elif enabled armcc; then
4564 # 2523: use of inline assembler is deprecated
4565 add_cflags -W${armcc_opt},--diag_suppress=2523
4566 add_cflags -W${armcc_opt},--diag_suppress=1207
4567 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4568 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4569 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4570 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4571 elif enabled tms470; then
4572 add_cflags -pds=824 -pds=837
4573 elif enabled pathscale; then
4574 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4575 elif enabled_any msvc icl; then
4576 enabled x86_32 && disable aligned_stack
4577 enabled_all x86_32 debug && add_cflags -Oy-
4578 enabled debug && add_ldflags -debug
4579 enable pragma_deprecated
4580 if enabled icl; then
4581 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4582 # (correctly) on icl 13.x.
4583 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4584 add_cflags -Qansi-alias
4585 # icl will pass the inline asm tests but inline asm is currently
4586 # not supported (build will fail)
4587 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4594 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4597 add_cppflags -Dmain=plan9_main
4601 enable frame_thread_encoder
4602 enabled_any $THREADS_LIST && enable threads
4603 enabled_any $ATOMICS_LIST && enable atomics_native
4605 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"
4607 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4609 check_deps $CONFIG_LIST \
4615 if test $target_os = "haiku"; then
4617 disable posix_memalign
4620 ! enabled_any memalign posix_memalign aligned_malloc &&
4621 enabled_any $need_memalign && enable memalign_hack
4624 # -> enable ${lib}_deps_${dep}
4625 # -> add $dep to ${lib}_deps only once
4629 enabled "${lib}_deps_${dep}" && return 0
4630 enable "${lib}_deps_${dep}"
4631 prepend "${lib}_deps" $dep
4634 # merge deps lib components
4635 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4640 enabled $comp || continue
4641 eval "dep=\"\$${comp}_deps\""
4648 merge_deps libavfilter $FILTER_LIST
4650 echo "install prefix $prefix"
4651 echo "source path $source_path"
4652 echo "C compiler $cc"
4653 echo "ARCH $arch ($cpu)"
4654 if test "$build_suffix" != ""; then
4655 echo "build suffix $build_suffix"
4657 if test "$progs_suffix" != ""; then
4658 echo "progs suffix $progs_suffix"
4660 if test "$extra_version" != ""; then
4661 echo "version string suffix $extra_version"
4663 echo "big-endian ${bigendian-no}"
4664 echo "runtime cpu detection ${runtime_cpudetect-no}"
4665 if enabled x86; then
4666 echo "${yasmexe} ${yasm-no}"
4667 echo "MMX enabled ${mmx-no}"
4668 echo "MMXEXT enabled ${mmxext-no}"
4669 echo "3DNow! enabled ${amd3dnow-no}"
4670 echo "3DNow! extended enabled ${amd3dnowext-no}"
4671 echo "SSE enabled ${sse-no}"
4672 echo "SSSE3 enabled ${ssse3-no}"
4673 echo "AVX enabled ${avx-no}"
4674 echo "FMA4 enabled ${fma4-no}"
4675 echo "i686 features enabled ${i686-no}"
4676 echo "CMOV is fast ${fast_cmov-no}"
4677 echo "EBX available ${ebx_available-no}"
4678 echo "EBP available ${ebp_available-no}"
4680 if enabled arm; then
4681 echo "ARMv5TE enabled ${armv5te-no}"
4682 echo "ARMv6 enabled ${armv6-no}"
4683 echo "ARMv6T2 enabled ${armv6t2-no}"
4684 echo "VFP enabled ${vfp-no}"
4685 echo "NEON enabled ${neon-no}"
4686 echo "THUMB enabled ${thumb-no}"
4688 if enabled mips; then
4689 echo "MIPS FPU enabled ${mipsfpu-no}"
4690 echo "MIPS32R2 enabled ${mips32r2-no}"
4691 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4692 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4694 if enabled ppc; then
4695 echo "AltiVec enabled ${altivec-no}"
4696 echo "PPC 4xx optimizations ${ppc4xx-no}"
4697 echo "dcbzl available ${dcbzl-no}"
4699 if enabled sparc; then
4700 echo "VIS enabled ${vis-no}"
4702 echo "debug symbols ${debug-no}"
4703 echo "strip symbols ${stripping-no}"
4704 echo "optimize for size ${small-no}"
4705 echo "optimizations ${optimizations-no}"
4706 echo "static ${static-no}"
4707 echo "shared ${shared-no}"
4708 echo "postprocessing support ${postproc-no}"
4709 echo "new filter support ${avfilter-no}"
4710 echo "network support ${network-no}"
4711 echo "threading support ${thread_type-no}"
4712 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4713 echo "SDL support ${sdl-no}"
4714 echo "opencl enabled ${opencl-no}"
4715 echo "libzvbi enabled ${libzvbi-no}"
4716 echo "texi2html enabled ${texi2html-no}"
4717 echo "perl enabled ${perl-no}"
4718 echo "pod2man enabled ${pod2man-no}"
4719 echo "makeinfo enabled ${makeinfo-no}"
4720 test -n "$random_seed" &&
4721 echo "random seed ${random_seed}"
4724 echo "External libraries:"
4725 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4728 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4729 echo "Enabled ${type}s:"
4730 eval list=\$$(toupper $type)_LIST
4731 print_enabled '_*' $list | print_3_columns
4735 license="LGPL version 2.1 or later"
4736 if enabled nonfree; then
4737 license="nonfree and unredistributable"
4738 elif enabled gplv3; then
4739 license="GPL version 3 or later"
4740 elif enabled lgplv3; then
4741 license="LGPL version 3 or later"
4742 elif enabled gpl; then
4743 license="GPL version 2 or later"
4746 echo "License: $license"
4748 echo "Creating config.mak, config.h, and doc/config.texi..."
4750 test -e Makefile || $ln_s "$source_path/Makefile" .
4752 enabled stripping || strip="echo skipping strip"
4754 config_files="$TMPH config.mak doc/config.texi"
4756 cat > config.mak <<EOF
4757 # Automatically generated by configure - do not modify!
4758 ifndef FFMPEG_CONFIG_MAK
4760 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4762 LIBDIR=\$(DESTDIR)$libdir
4763 SHLIBDIR=\$(DESTDIR)$shlibdir
4764 INCDIR=\$(DESTDIR)$incdir
4765 BINDIR=\$(DESTDIR)$bindir
4766 DATADIR=\$(DESTDIR)$datadir
4767 DOCDIR=\$(DESTDIR)$docdir
4768 MANDIR=\$(DESTDIR)$mandir
4769 SRC_PATH=$source_path
4770 ifndef MAIN_MAKEFILE
4771 SRC_PATH:=\$(SRC_PATH:.%=..%)
4780 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4782 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4808 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4809 YASMFLAGS=$YASMFLAGS
4810 BUILDSUF=$build_suffix
4811 PROGSSUF=$progs_suffix
4819 EXTRA_VERSION=$extra_version
4822 CCDEP_FLAGS=$CCDEP_FLAGS
4824 ASDEP_FLAGS=$ASDEP_FLAGS
4825 CC_DEPFLAGS=$CC_DEPFLAGS
4826 AS_DEPFLAGS=$AS_DEPFLAGS
4829 HOSTCFLAGS=$host_cflags
4830 HOSTCPPFLAGS=$host_cppflags
4831 HOSTEXESUF=$HOSTEXESUF
4832 HOSTLDFLAGS=$host_ldflags
4835 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4836 HOSTCCDEP=$HOSTCCDEP
4837 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4838 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4842 TARGET_EXEC=$target_exec $target_exec_args
4843 TARGET_PATH=$target_path
4844 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
4845 LIBS-ffplay=$sdl_libs
4846 CFLAGS-ffplay=$sdl_cflags
4847 ZLIB=$($ldflags_filter -lz)
4848 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4849 EXTRALIBS=$extralibs
4850 COMPAT_OBJS=$compat_objs
4853 LIBTARGET=${LIBTARGET}
4854 SLIBNAME=${SLIBNAME}
4855 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4856 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4857 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4858 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4859 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4860 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4861 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4862 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4863 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4864 NOREDZONE_FLAGS=$noredzone_flags
4869 name=$(toupper $lcname)
4870 file=$source_path/$lcname/version.h
4871 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4872 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4873 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4874 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4875 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4878 map 'get_version $v' $LIBRARY_LIST
4881 /* Automatically generated by configure - do not modify! */
4882 #ifndef FFMPEG_CONFIG_H
4883 #define FFMPEG_CONFIG_H
4884 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4885 #define FFMPEG_LICENSE "$(c_escape $license)"
4886 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4887 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4888 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4889 #define av_restrict $_restrict
4890 #define EXTERN_PREFIX "${extern_prefix}"
4891 #define EXTERN_ASM ${extern_prefix}
4892 #define SLIBSUF "$SLIBSUF"
4893 #define HAVE_MMX2 HAVE_MMXEXT
4896 test -n "$assert_level" &&
4897 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4899 test -n "$malloc_prefix" &&
4900 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4902 if enabled yasm; then
4903 append config_files $TMPASM
4907 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
4911 echo "@c auto-generated by configure" > doc/config.texi
4913 print_config ARCH_ "$config_files" $ARCH_LIST
4914 print_config HAVE_ "$config_files" $HAVE_LIST
4915 print_config CONFIG_ "$config_files" $CONFIG_LIST \
4919 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4920 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4922 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4923 cp_if_changed $TMPH config.h
4926 enabled yasm && cp_if_changed $TMPASM config.asm
4929 /* Generated by ffconf */
4930 #ifndef AVUTIL_AVCONFIG_H
4931 #define AVUTIL_AVCONFIG_H
4934 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4936 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4938 cp_if_changed $TMPH libavutil/avconfig.h
4940 if test -n "$WARNINGS"; then
4941 printf "\n$WARNINGS"
4942 enabled fatal_warnings && exit 1
4945 # build pkg-config files
4947 pkgconfig_generate(){
4949 shortname=${name#lib}${build_suffix}
4954 enabled ${name#lib} || return 0
4956 cat <<EOF > $name/$name${build_suffix}.pc
4958 exec_prefix=\${prefix}
4963 Description: $comment
4965 Requires: $(enabled shared || echo $requires)
4966 Requires.private: $(enabled shared && echo $requires)
4968 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4969 Libs.private: $(enabled shared && echo $libs)
4970 Cflags: -I\${includedir}
4973 mkdir -p doc/examples/pc-uninstalled
4974 includedir=${source_path}
4975 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4976 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4979 libdir=\${pcfiledir}/../../../$name
4980 includedir=${includedir}
4983 Description: $comment
4987 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
4988 Cflags: -I\${includedir}
4992 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4993 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
4994 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
4995 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
4996 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
4997 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
4998 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
4999 lavfi_libs=${lavfi_libs%, }
5001 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
5002 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
5004 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5005 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5006 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
5007 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
5008 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
5009 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5010 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5011 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5012 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5014 fix_ffmpeg_remote(){
5017 fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
5018 if [ "$fixme_remote" != "" ]; then
5020 Outdated domain in git config, the official domain for ffmpeg git is since
5021 November 2011, source.ffmpeg.org, both the old and the new point to the same
5022 repository and server. To update it enter the following commands:
5024 for remote in $fixme_remote; do
5025 echolog "git remote set-url $remote $git_remote_to"
5030 if test -f "$source_path/.git/config"; then
5031 remote_from=git.videolan.org
5032 remote_to=source.ffmpeg.org
5033 fix_ffmpeg_remote git@$remote_from:ffmpeg git@$remote_to:ffmpeg
5034 fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg