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
1676 # code dependency declarations
1678 # architecture extensions
1687 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1690 mips32r2_deps="mips"
1691 mipsdspr1_deps="mips"
1692 mipsdspr2_deps="mips"
1700 x86_64_select="i686"
1701 x86_64_suggest="fast_cmov"
1704 amd3dnowext_deps="amd3dnow"
1717 mmx_external_deps="yasm"
1718 mmx_inline_deps="inline_asm"
1719 mmx_suggest="mmx_external mmx_inline"
1721 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1722 eval dep=\$${ext}_deps
1723 eval ${ext}_external_deps='"${dep}_external"'
1724 eval ${ext}_inline_deps='"${dep}_inline"'
1725 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1728 aligned_stack_if_any="ppc x86"
1729 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1730 fast_clz_if_any="alpha avr32 mips ppc x86"
1731 fast_unaligned_if_any="ppc x86"
1733 inline_asm_deps="!tms470"
1734 need_memalign="altivec neon sse"
1736 symver_if_any="symver_asm_label symver_gnu_asm"
1742 error_resilience_select="dsputil"
1743 frame_thread_encoder_deps="encoders threads"
1744 lpc_select="dsputil"
1747 mpegaudio_select="mpegaudiodsp"
1748 mpegaudiodsp_select="dct"
1749 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1750 mpegvideoenc_select="mpegvideo"
1752 # decoders / encoders
1753 aac_decoder_select="mdct sinewin"
1754 aac_encoder_select="audio_frame_queue mdct sinewin"
1755 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1756 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1757 ac3_encoder_select="mdct ac3dsp dsputil"
1758 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1759 aic_decoder_select="dsputil golomb"
1760 alac_encoder_select="lpc"
1761 als_decoder_select="dsputil"
1762 amrnb_decoder_select="lsp"
1763 amrwb_decoder_select="lsp"
1764 amv_decoder_select="dsputil hpeldsp exif"
1765 amv_encoder_select="aandcttables"
1766 ape_decoder_select="dsputil"
1767 asv1_decoder_select="dsputil"
1768 asv1_encoder_select="dsputil"
1769 asv2_decoder_select="dsputil"
1770 asv2_encoder_select="dsputil"
1771 atrac1_decoder_select="mdct sinewin"
1772 atrac3_decoder_select="mdct"
1773 avrn_decoder_select="exif"
1774 bink_decoder_select="dsputil hpeldsp"
1775 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1776 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1777 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1778 cllc_decoder_select="dsputil"
1779 comfortnoise_encoder_select="lpc"
1780 cook_decoder_select="dsputil mdct sinewin"
1781 cscd_decoder_select="lzo"
1782 cscd_decoder_suggest="zlib"
1783 dca_decoder_select="mdct"
1784 dirac_decoder_select="dsputil dwt golomb videodsp"
1785 dnxhd_decoder_select="dsputil"
1786 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1787 dvvideo_decoder_select="dsputil"
1788 dvvideo_encoder_select="dsputil"
1789 dxa_decoder_select="zlib"
1790 eac3_decoder_select="ac3_decoder"
1791 eac3_encoder_select="ac3_encoder"
1792 eamad_decoder_select="aandcttables dsputil mpegvideo"
1793 eatgq_decoder_select="aandcttables"
1794 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1795 exr_decoder_select="zlib"
1796 ffv1_decoder_select="dsputil golomb rangecoder"
1797 ffv1_encoder_select="dsputil rangecoder"
1798 ffvhuff_decoder_select="dsputil"
1799 ffvhuff_encoder_select="dsputil huffman"
1800 flac_decoder_select="golomb"
1801 flac_encoder_select="dsputil golomb lpc"
1802 flashsv_decoder_select="zlib"
1803 flashsv_encoder_select="zlib"
1804 flashsv2_encoder_select="zlib"
1805 flashsv2_decoder_select="zlib"
1806 flv_decoder_select="h263_decoder"
1807 flv_encoder_select="h263_encoder"
1808 fourxm_decoder_select="dsputil"
1809 fraps_decoder_select="dsputil huffman"
1810 g2m_decoder_select="dsputil zlib"
1811 g729_decoder_select="dsputil"
1812 h261_decoder_select="error_resilience mpegvideo"
1813 h261_encoder_select="aandcttables mpegvideoenc"
1814 h263_decoder_select="error_resilience h263_parser mpegvideo"
1815 h263_encoder_select="aandcttables mpegvideoenc"
1816 h263i_decoder_select="h263_decoder"
1817 h263p_encoder_select="h263_encoder"
1818 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1819 h264_decoder_suggest="error_resilience"
1820 hevc_decoder_select="dsputil golomb videodsp"
1821 huffyuv_decoder_select="dsputil"
1822 huffyuv_encoder_select="dsputil huffman"
1823 iac_decoder_select="dsputil fft mdct sinewin"
1824 imc_decoder_select="dsputil fft mdct sinewin"
1825 indeo3_decoder_select="hpeldsp"
1826 interplay_video_decoder_select="hpeldsp"
1827 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1828 jpegls_encoder_select="golomb"
1829 jv_decoder_select="dsputil"
1830 lagarith_decoder_select="dsputil"
1831 ljpeg_encoder_select="aandcttables mpegvideoenc"
1832 loco_decoder_select="golomb"
1833 mdec_decoder_select="dsputil error_resilience mpegvideo"
1834 metasound_decoder_select="lsp mdct sinewin"
1835 mimic_decoder_select="dsputil hpeldsp"
1836 mjpeg_decoder_select="dsputil hpeldsp exif"
1837 mjpegb_decoder_select="dsputil hpeldsp exif"
1838 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1839 mlp_decoder_select="dsputil mlp_parser"
1840 motionpixels_decoder_select="dsputil"
1841 mp1_decoder_select="mpegaudio"
1842 mp1float_decoder_select="mpegaudio"
1843 mp2_decoder_select="mpegaudio"
1844 mp2float_decoder_select="mpegaudio"
1845 mp3_decoder_select="mpegaudio"
1846 mp3adu_decoder_select="mpegaudio"
1847 mp3adufloat_decoder_select="mpegaudio"
1848 mp3float_decoder_select="mpegaudio"
1849 mp3on4_decoder_select="mpegaudio"
1850 mp3on4float_decoder_select="mpegaudio"
1851 mpc7_decoder_select="dsputil mpegaudiodsp"
1852 mpc8_decoder_select="dsputil mpegaudiodsp"
1853 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1854 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1855 mpeg1video_decoder_select="error_resilience mpegvideo"
1856 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1857 mpeg2video_decoder_select="error_resilience mpegvideo"
1858 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1859 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1860 mpeg4_encoder_select="h263_encoder"
1861 msmpeg4v1_decoder_select="h263_decoder"
1862 msmpeg4v2_decoder_select="h263_decoder"
1863 msmpeg4v2_encoder_select="h263_encoder"
1864 msmpeg4v3_decoder_select="h263_decoder"
1865 msmpeg4v3_encoder_select="h263_encoder"
1866 mss2_decoder_select="error_resilience vc1_decoder"
1867 mxpeg_decoder_select="dsputil hpeldsp exif"
1868 nellymoser_decoder_select="mdct sinewin"
1869 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1870 nuv_decoder_select="dsputil lzo"
1871 png_decoder_select="zlib"
1872 png_encoder_select="dsputil zlib"
1873 prores_decoder_select="dsputil"
1874 prores_encoder_select="dsputil"
1875 qcelp_decoder_select="lsp"
1876 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1877 ra_144_encoder_select="audio_frame_queue lpc"
1878 ralf_decoder_select="golomb"
1879 rtjpeg_decoder_select="dsputil"
1880 rv10_decoder_select="error_resilience h263_decoder"
1881 rv10_encoder_select="h263_encoder"
1882 rv20_decoder_select="error_resilience h263_decoder"
1883 rv20_encoder_select="h263_encoder"
1884 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1885 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1886 shorten_decoder_select="golomb"
1887 sipr_decoder_select="lsp"
1888 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1889 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1890 sonic_decoder_select="golomb"
1891 sonic_encoder_select="golomb"
1892 sonic_ls_encoder_select="golomb"
1893 sp5x_decoder_select="dsputil hpeldsp exif"
1894 svq1_decoder_select="hpeldsp"
1895 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1896 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1897 svq3_decoder_suggest="error_resilience zlib"
1898 tak_decoder_select="dsputil"
1899 theora_decoder_select="vp3_decoder"
1900 tiff_decoder_suggest="zlib"
1901 tiff_encoder_suggest="zlib"
1902 thp_decoder_select="dsputil hpeldsp exif"
1903 truehd_decoder_select="mlp_parser"
1904 truemotion2_decoder_select="dsputil"
1905 truespeech_decoder_select="dsputil"
1906 tscc_decoder_select="zlib"
1907 twinvq_decoder_select="mdct lsp sinewin"
1908 utvideo_decoder_select="dsputil"
1909 utvideo_encoder_select="dsputil huffman"
1910 vble_decoder_select="dsputil"
1911 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1912 vc1image_decoder_select="vc1_decoder"
1913 vorbis_decoder_select="mdct"
1914 vorbis_encoder_select="mdct"
1915 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1916 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1917 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1918 vp6a_decoder_select="vp6_decoder"
1919 vp6f_decoder_select="vp6_decoder"
1920 vp8_decoder_select="h264pred videodsp"
1921 vp9_decoder_select="videodsp"
1922 webp_decoder_select="vp8_decoder"
1923 wmapro_decoder_select="mdct sinewin"
1924 wmav1_decoder_select="mdct sinewin"
1925 wmav1_encoder_select="mdct sinewin"
1926 wmav2_decoder_select="mdct sinewin"
1927 wmav2_encoder_select="mdct sinewin"
1928 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1929 wmv1_decoder_select="h263_decoder"
1930 wmv1_encoder_select="h263_encoder"
1931 wmv2_decoder_select="h263_decoder videodsp"
1932 wmv2_encoder_select="h263_encoder"
1933 wmv3_decoder_select="vc1_decoder"
1934 wmv3image_decoder_select="wmv3_decoder"
1935 zerocodec_decoder_select="zlib"
1936 zlib_decoder_select="zlib"
1937 zlib_encoder_select="zlib"
1938 zmbv_decoder_select="zlib"
1939 zmbv_encoder_select="zlib"
1941 # hardware accelerators
1942 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1943 dxva2_deps="dxva2api_h"
1944 vaapi_deps="va_va_h"
1945 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1946 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1947 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1949 h263_vaapi_hwaccel_deps="vaapi"
1950 h263_vaapi_hwaccel_select="h263_decoder"
1951 h263_vdpau_hwaccel_deps="vdpau"
1952 h263_vdpau_hwaccel_select="h263_decoder"
1953 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1954 h264_dxva2_hwaccel_deps="dxva2"
1955 h264_dxva2_hwaccel_select="h264_decoder"
1956 h264_vaapi_hwaccel_deps="vaapi"
1957 h264_vaapi_hwaccel_select="h264_decoder"
1958 h264_vda_decoder_deps="vda"
1959 h264_vda_decoder_select="h264_decoder"
1960 h264_vda_hwaccel_deps="vda"
1961 h264_vda_hwaccel_select="h264_decoder"
1962 h264_vdpau_decoder_deps="vdpau"
1963 h264_vdpau_decoder_select="h264_decoder"
1964 h264_vdpau_hwaccel_deps="vdpau"
1965 h264_vdpau_hwaccel_select="h264_decoder"
1966 mpeg_vdpau_decoder_deps="vdpau"
1967 mpeg_vdpau_decoder_select="mpeg2video_decoder"
1968 mpeg1_vdpau_decoder_deps="vdpau"
1969 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
1970 mpeg1_vdpau_hwaccel_deps="vdpau"
1971 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1972 mpeg2_crystalhd_decoder_select="crystalhd"
1973 mpeg2_dxva2_hwaccel_deps="dxva2"
1974 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1975 mpeg2_vaapi_hwaccel_deps="vaapi"
1976 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1977 mpeg2_vdpau_hwaccel_deps="vdpau"
1978 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1979 mpeg4_crystalhd_decoder_select="crystalhd"
1980 mpeg4_vaapi_hwaccel_deps="vaapi"
1981 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1982 mpeg4_vdpau_decoder_deps="vdpau"
1983 mpeg4_vdpau_decoder_select="mpeg4_decoder"
1984 mpeg4_vdpau_hwaccel_deps="vdpau"
1985 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1986 msmpeg4_crystalhd_decoder_select="crystalhd"
1987 vc1_crystalhd_decoder_select="crystalhd"
1988 vc1_dxva2_hwaccel_deps="dxva2"
1989 vc1_dxva2_hwaccel_select="vc1_decoder"
1990 vc1_vaapi_hwaccel_deps="vaapi"
1991 vc1_vaapi_hwaccel_select="vc1_decoder"
1992 vc1_vdpau_decoder_deps="vdpau"
1993 vc1_vdpau_decoder_select="vc1_decoder"
1994 vc1_vdpau_hwaccel_deps="vdpau"
1995 vc1_vdpau_hwaccel_select="vc1_decoder"
1996 wmv3_crystalhd_decoder_select="crystalhd"
1997 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1998 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1999 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2000 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2003 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
2004 mpeg4video_parser_select="error_resilience mpegvideo"
2005 mpegvideo_parser_select="error_resilience mpegvideo"
2006 vc1_parser_select="mpegvideo"
2008 # external libraries
2009 libaacplus_encoder_deps="libaacplus"
2010 libcelt_decoder_deps="libcelt"
2011 libfaac_encoder_deps="libfaac"
2012 libfaac_encoder_select="audio_frame_queue"
2013 libfdk_aac_decoder_deps="libfdk_aac"
2014 libfdk_aac_encoder_deps="libfdk_aac"
2015 libfdk_aac_encoder_select="audio_frame_queue"
2016 libgme_demuxer_deps="libgme"
2017 libgsm_decoder_deps="libgsm"
2018 libgsm_encoder_deps="libgsm"
2019 libgsm_ms_decoder_deps="libgsm"
2020 libgsm_ms_encoder_deps="libgsm"
2021 libilbc_decoder_deps="libilbc"
2022 libilbc_encoder_deps="libilbc"
2023 libmodplug_demuxer_deps="libmodplug"
2024 libmp3lame_encoder_deps="libmp3lame"
2025 libmp3lame_encoder_select="audio_frame_queue"
2026 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2027 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2028 libopencore_amrnb_encoder_select="audio_frame_queue"
2029 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2030 libopenjpeg_decoder_deps="libopenjpeg"
2031 libopenjpeg_encoder_deps="libopenjpeg"
2032 libopus_decoder_deps="libopus"
2033 libopus_encoder_deps="libopus"
2034 libopus_encoder_select="audio_frame_queue"
2035 libquvi_demuxer_deps="libquvi"
2036 libschroedinger_decoder_deps="libschroedinger"
2037 libschroedinger_encoder_deps="libschroedinger"
2038 libshine_encoder_deps="libshine"
2039 libshine_encoder_select="audio_frame_queue"
2040 libspeex_decoder_deps="libspeex"
2041 libspeex_encoder_deps="libspeex"
2042 libspeex_encoder_select="audio_frame_queue"
2043 libstagefright_h264_decoder_deps="libstagefright_h264"
2044 libtheora_encoder_deps="libtheora"
2045 libtwolame_encoder_deps="libtwolame"
2046 libvo_aacenc_encoder_deps="libvo_aacenc"
2047 libvo_aacenc_encoder_select="audio_frame_queue"
2048 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2049 libvorbis_decoder_deps="libvorbis"
2050 libvorbis_encoder_deps="libvorbis"
2051 libvorbis_encoder_select="audio_frame_queue"
2052 libvpx_vp8_decoder_deps="libvpx"
2053 libvpx_vp8_encoder_deps="libvpx"
2054 libvpx_vp9_decoder_deps="libvpx"
2055 libvpx_vp9_encoder_deps="libvpx"
2056 libwavpack_encoder_deps="libwavpack"
2057 libx264_encoder_deps="libx264"
2058 libx264rgb_encoder_deps="libx264"
2059 libxavs_encoder_deps="libxavs"
2060 libxvid_encoder_deps="libxvid"
2061 libutvideo_decoder_deps="libutvideo"
2062 libutvideo_encoder_deps="libutvideo"
2063 libzvbi_teletext_decoder_deps="libzvbi"
2066 ac3_demuxer_select="ac3_parser"
2067 asf_demuxer_select="riffdec"
2068 asf_muxer_select="riffenc"
2069 asf_stream_muxer_select="asf_muxer"
2070 avi_demuxer_select="riffdec"
2071 avi_muxer_select="riffenc"
2072 avisynth_demuxer_deps="avisynth"
2073 avisynth_demuxer_select="riffdec"
2074 caf_demuxer_select="riffdec"
2075 dirac_demuxer_select="dirac_parser"
2076 dts_demuxer_select="dca_parser"
2077 dtshd_demuxer_select="dca_parser"
2078 dxa_demuxer_select="riffdec"
2079 eac3_demuxer_select="ac3_parser"
2080 f4v_muxer_select="mov_muxer"
2081 flac_demuxer_select="flac_parser"
2082 hds_muxer_select="flv_muxer"
2083 hls_muxer_select="mpegts_muxer"
2084 ipod_muxer_select="mov_muxer"
2085 ismv_muxer_select="mov_muxer"
2086 libnut_demuxer_deps="libnut"
2087 libnut_muxer_deps="libnut"
2088 matroska_audio_muxer_select="matroska_muxer"
2089 matroska_demuxer_select="riffdec"
2090 matroska_demuxer_suggest="bzlib lzo zlib"
2091 matroska_muxer_select="riffenc"
2092 mmf_muxer_select="riffenc"
2093 mov_demuxer_select="riffdec"
2094 mov_demuxer_suggest="zlib"
2095 mov_muxer_select="riffenc rtpenc_chain"
2096 mp3_demuxer_select="mpegaudio_parser"
2097 mp4_muxer_select="mov_muxer"
2098 mpegts_muxer_select="adts_muxer latm_muxer"
2099 mpegtsraw_demuxer_select="mpegts_demuxer"
2100 mxf_d10_muxer_select="mxf_muxer"
2101 nut_muxer_select="riffenc"
2102 nuv_demuxer_select="riffdec"
2103 ogg_demuxer_select="golomb"
2104 psp_muxer_select="mov_muxer"
2105 rtp_demuxer_select="sdp_demuxer"
2106 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2107 rtsp_demuxer_select="http_protocol rtpdec"
2108 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2109 sap_demuxer_select="sdp_demuxer"
2110 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2111 sdp_demuxer_select="rtpdec"
2112 smoothstreaming_muxer_select="ismv_muxer"
2113 spdif_muxer_select="aac_parser"
2114 tak_demuxer_select="tak_parser"
2115 tg2_muxer_select="mov_muxer"
2116 tgp_muxer_select="mov_muxer"
2117 vobsub_demuxer_select="mpegps_demuxer"
2118 w64_demuxer_select="wav_demuxer"
2119 w64_muxer_select="wav_muxer"
2120 wav_demuxer_select="riffdec"
2121 wav_muxer_select="riffenc"
2122 webm_muxer_select="riffenc"
2123 wtv_demuxer_select="riffdec"
2124 xmv_demuxer_select="riffdec"
2125 xwma_demuxer_select="riffdec"
2128 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2129 alsa_outdev_deps="alsa_asoundlib_h"
2130 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2131 caca_outdev_deps="libcaca"
2132 dshow_indev_deps="IBaseFilter"
2133 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2134 dv1394_indev_deps="dv1394"
2135 dv1394_indev_select="dv_demuxer"
2136 fbdev_indev_deps="linux_fb_h"
2137 fbdev_outdev_deps="linux_fb_h"
2138 iec61883_indev_deps="libiec61883"
2139 jack_indev_deps="jack_jack_h sem_timedwait"
2140 lavfi_indev_deps="avfilter"
2141 libcdio_indev_deps="libcdio"
2142 libdc1394_indev_deps="libdc1394"
2143 libv4l2_indev_deps="libv4l2"
2144 openal_indev_deps="openal"
2145 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2146 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2147 pulse_indev_deps="libpulse"
2148 pulse_outdev_deps="libpulse"
2149 sdl_outdev_deps="sdl"
2150 sndio_indev_deps="sndio_h"
2151 sndio_outdev_deps="sndio_h"
2152 v4l_indev_deps="linux_videodev_h"
2153 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2154 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2155 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2156 vfwcap_indev_extralibs="-lavicap32"
2157 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2158 xv_outdev_extralibs="-lXv -lX11 -lXext"
2159 x11grab_indev_deps="x11grab"
2162 bluray_protocol_deps="libbluray"
2163 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2164 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2165 ffrtmpcrypt_protocol_select="tcp_protocol"
2166 ffrtmphttp_protocol_deps="!librtmp_protocol"
2167 ffrtmphttp_protocol_select="http_protocol"
2168 ftp_protocol_select="tcp_protocol"
2169 gopher_protocol_select="network"
2170 httpproxy_protocol_select="tcp_protocol"
2171 http_protocol_select="tcp_protocol"
2172 https_protocol_select="tls_protocol"
2173 librtmp_protocol_deps="librtmp"
2174 librtmpe_protocol_deps="librtmp"
2175 librtmps_protocol_deps="librtmp"
2176 librtmpt_protocol_deps="librtmp"
2177 librtmpte_protocol_deps="librtmp"
2178 libssh_protocol_deps="libssh"
2179 mmsh_protocol_select="http_protocol"
2180 mmst_protocol_select="network"
2181 rtmp_protocol_deps="!librtmp_protocol"
2182 rtmp_protocol_select="tcp_protocol"
2183 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2184 rtmps_protocol_deps="!librtmp_protocol"
2185 rtmps_protocol_select="tls_protocol"
2186 rtmpt_protocol_select="ffrtmphttp_protocol"
2187 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2188 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2189 rtp_protocol_select="udp_protocol"
2190 sctp_protocol_deps="struct_sctp_event_subscribe"
2191 sctp_protocol_select="network"
2192 srtp_protocol_select="rtp_protocol"
2193 tcp_protocol_select="network"
2194 tls_protocol_deps_any="openssl gnutls"
2195 tls_protocol_select="tcp_protocol"
2196 udp_protocol_select="network"
2197 unix_protocol_deps="sys_un_h"
2198 unix_protocol_select="network"
2201 aconvert_filter_deps="swresample"
2202 amovie_filter_deps="avcodec avformat"
2203 aresample_filter_deps="swresample"
2204 ass_filter_deps="libass"
2205 asyncts_filter_deps="avresample"
2206 atempo_filter_deps="avcodec"
2207 atempo_filter_select="rdft"
2208 azmq_filter_deps="libzmq"
2209 blackframe_filter_deps="gpl"
2210 boxblur_filter_deps="gpl"
2211 colormatrix_filter_deps="gpl"
2212 cropdetect_filter_deps="gpl"
2213 dctdnoiz_filter_deps="avcodec"
2214 dctdnoiz_filter_select="fft"
2215 delogo_filter_deps="gpl"
2216 deshake_filter_deps="avcodec"
2217 deshake_filter_select="dsputil"
2218 drawtext_filter_deps="libfreetype"
2219 ebur128_filter_deps="gpl"
2220 flite_filter_deps="libflite"
2221 frei0r_filter_deps="frei0r dlopen"
2222 frei0r_filter_extralibs='$ldl'
2223 frei0r_src_filter_deps="frei0r dlopen"
2224 frei0r_src_filter_extralibs='$ldl'
2225 geq_filter_deps="gpl"
2226 histeq_filter_deps="gpl"
2227 hqdn3d_filter_deps="gpl"
2228 interlace_filter_deps="gpl"
2229 kerndeint_filter_deps="gpl"
2230 ladspa_filter_deps="ladspa dlopen"
2231 mcdeint_filter_deps="avcodec gpl"
2232 movie_filter_deps="avcodec avformat"
2233 mp_filter_deps="gpl avcodec swscale inline_asm"
2234 mpdecimate_filter_deps="gpl avcodec"
2235 mptestsrc_filter_deps="gpl"
2236 negate_filter_deps="lut_filter"
2237 perspective_filter_deps="gpl"
2238 resample_filter_deps="avresample"
2239 ocv_filter_deps="libopencv"
2240 owdenoise_filter_deps="gpl"
2241 pan_filter_deps="swresample"
2242 phase_filter_deps="gpl"
2243 pp_filter_deps="gpl postproc"
2244 pullup_filter_deps="gpl"
2245 removelogo_filter_deps="avcodec avformat swscale"
2246 sab_filter_deps="gpl swscale"
2247 scale_filter_deps="swscale"
2248 smartblur_filter_deps="gpl swscale"
2249 showspectrum_filter_deps="avcodec"
2250 showspectrum_filter_select="rdft"
2251 spp_filter_deps="gpl avcodec"
2252 spp_filter_select="fft"
2253 stereo3d_filter_deps="gpl"
2254 subtitles_filter_deps="avformat avcodec libass"
2255 super2xsai_filter_deps="gpl"
2256 tinterlace_filter_deps="gpl"
2257 vidstabdetect_filter_deps="libvidstab"
2258 vidstabtransform_filter_deps="libvidstab"
2259 yadif_filter_deps="gpl"
2260 pixfmts_super2xsai_test_deps="super2xsai_filter"
2261 tinterlace_merge_test_deps="tinterlace_filter"
2262 tinterlace_pad_test_deps="tinterlace_filter"
2263 zmq_filter_deps="libzmq"
2266 avcodec_deps="avutil"
2267 avdevice_deps="avutil avcodec avformat"
2268 avfilter_deps="avutil"
2269 avformat_deps="avutil avcodec"
2270 avresample_deps="avutil"
2271 postproc_deps="avutil gpl"
2272 swscale_deps="avutil"
2275 ffmpeg_deps="avcodec avfilter avformat swresample"
2276 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2278 setpts_filter trim_filter"
2279 ffplay_deps="avcodec avformat swscale swresample sdl"
2280 ffplay_select="rdft crop_filter"
2281 ffprobe_deps="avcodec avformat"
2282 ffserver_deps="avformat fork sarestart"
2283 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2284 ffserver_extralibs='$ldl'
2287 podpages_deps="perl"
2288 manpages_deps="perl pod2man"
2289 htmlpages_deps="texi2html"
2290 txtpages_deps="makeinfo"
2291 doc_deps_any="manpages htmlpages podpages txtpages"
2293 # default parameters
2295 logfile="config.log"
2297 # installation paths
2298 prefix_default="/usr/local"
2299 bindir_default='${prefix}/bin'
2300 datadir_default='${prefix}/share/ffmpeg'
2301 docdir_default='${prefix}/share/doc/ffmpeg'
2302 incdir_default='${prefix}/include'
2303 libdir_default='${prefix}/lib'
2304 mandir_default='${prefix}/share/man'
2305 shlibdir_default="$libdir_default"
2311 host_cc_default="gcc"
2317 pkg_config_default=pkg-config
2319 strip_default="strip"
2320 yasmexe_default="yasm"
2325 arch_default=$(uname -m)
2329 target_os_default=$(tolower $(uname -s))
2330 host_os=$target_os_default
2332 # configurable options
2333 enable $PROGRAM_LIST
2334 enable $DOCUMENT_LIST
2335 enable $(filter_out avresample $LIBRARY_LIST)
2341 enable optimizations
2342 enable runtime_cpudetect
2343 enable safe_bitstream_reader
2345 enable swscale_alpha
2347 # Enable hwaccels by default.
2348 enable dxva2 vaapi vdpau
2351 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2354 FULLNAME='$(NAME)$(BUILDSUF)'
2355 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2358 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2359 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2360 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2361 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2362 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2363 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2383 host_cflags='-O3 -g'
2384 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2386 host_cflags_filter=echo
2387 host_ldflags_filter=echo
2389 target_path='$(CURDIR)'
2391 # since the object filename is not given with the -MM flag, the compiler
2392 # is only able to print the basename, and we must add the path ourselves
2393 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2397 if test -f configure; then
2400 source_path=$(cd $(dirname "$0"); pwd)
2401 echo "$source_path" | grep -q '[[:blank:]]' &&
2402 die "Out of tree builds are impossible with whitespace in source path."
2403 test -e "$source_path/config.h" &&
2404 die "Out of tree builds are impossible with config.h in source dir."
2411 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2417 file=$source_path/$3
2418 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2421 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2422 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2423 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2424 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2425 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2426 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2427 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2428 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2429 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2430 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2431 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2447 for n in $COMPONENT_LIST; do
2448 v=$(toupper ${n%s})_LIST
2450 eval ${n}_if_any="\$$v"
2453 enable $ARCH_EXT_LIST
2456 echo "Unknown option \"$1\"."
2457 echo "See $0 --help for available options."
2462 cat | tr ' ' '\n' | sort | pr -r -3 -t
2468 echo $* | sed s/$suffix//g | print_3_columns
2480 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2481 echo "prob ${prob:-0.5}"
2489 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2490 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2500 add_extralibs $optval
2503 disable $INDEV_LIST $OUTDEV_LIST
2506 debuglevel="$optval"
2509 disable $PROGRAM_LIST
2511 --disable-everything)
2512 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2515 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2516 disable $LIBRARY_LIST $PROGRAM_LIST doc
2518 --enable-random|--disable-random)
2519 action=${opt%%-random}
2520 do_random ${action#--} $COMPONENT_LIST
2522 --enable-random=*|--disable-random=*)
2523 action=${opt%%-random=*}
2524 do_random ${action#--} $optval
2526 --enable-*=*|--disable-*=*)
2527 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2528 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2529 eval list=\$$(toupper $thing)_LIST
2530 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2531 list=$(filter "$name" $list)
2532 [ "$list" = "" ] && warn "Option $opt did not match anything"
2535 --enable-?*|--disable-?*)
2536 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2537 if is_in $option $COMPONENT_LIST; then
2538 test $action = disable && action=unset
2539 eval $action \$$(toupper ${option%s})_LIST
2540 elif is_in $option $CMDLINE_SELECT; then
2547 NAME="${opt#--list-}"
2548 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2550 eval show_list $NAME \$$(toupper $NAME)_LIST
2552 --help|-h) show_help
2554 --fatal-warnings) enable fatal_warnings
2557 optname="${opt%%=*}"
2558 optname="${optname#--}"
2559 optname=$(echo "$optname" | sed 's/-/_/g')
2560 if is_in $optname $CMDLINE_SET; then
2561 eval $optname='$optval'
2562 elif is_in $optname $CMDLINE_APPEND; then
2563 append $optname "$optval"
2571 disabled logging && logfile=/dev/null
2573 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2576 test -n "$cross_prefix" && enable cross_compile
2578 if enabled cross_compile; then
2579 test -n "$arch" && test -n "$target_os" ||
2580 die "Must specify target arch and OS when cross-compiling"
2583 ar_default="${cross_prefix}${ar_default}"
2584 cc_default="${cross_prefix}${cc_default}"
2585 cxx_default="${cross_prefix}${cxx_default}"
2586 nm_default="${cross_prefix}${nm_default}"
2587 pkg_config_default="${cross_prefix}${pkg_config_default}"
2588 ranlib="${cross_prefix}${ranlib}"
2589 strip_default="${cross_prefix}${strip_default}"
2591 sysinclude_default="${sysroot}/usr/include"
2593 test -n "$valgrind" && toolchain="valgrind-memcheck"
2595 case "$toolchain" in
2598 add_cflags -fsanitize=address
2599 add_ldflags -fsanitize=address
2603 add_cflags -fsanitize=thread -pie
2604 add_ldflags -fsanitize=thread -pie
2608 add_cflags -fsanitize=address
2609 add_ldflags -fsanitize=address
2613 add_cflags -fsanitize=thread -pie -fPIC
2614 add_ldflags -fsanitize=thread -pie -fPIC
2617 target_exec_default=${valgrind:-"valgrind"}
2618 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"
2621 target_exec_default=${valgrind:-"valgrind"}
2622 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2625 cc_default="c99wrap cl"
2626 ld_default="c99wrap link"
2627 nm_default="dumpbin -symbols"
2629 target_os_default="win32"
2632 cc_default="c99wrap -noconv icl"
2633 ld_default="c99wrap xilink"
2634 nm_default="dumpbin -symbols"
2636 target_os_default="win32"
2639 add_cflags -fprofile-arcs -ftest-coverage
2640 add_ldflags -fprofile-arcs -ftest-coverage
2643 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2644 add_ldflags -Wl,-z,relro -Wl,-z,now
2647 die "Unknown toolchain $toolchain"
2651 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2652 enabled cross_compile || host_cc_default=$cc
2655 if ! $pkg_config --version >/dev/null 2>&1; then
2656 warn "$pkg_config not found, library detection may fail."
2662 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2666 EXESUF=$(exesuf $target_os)
2667 HOSTEXESUF=$(exesuf $host_os)
2669 # set temporary file name
2670 : ${TMPDIR:=$TEMPDIR}
2674 if [ -n "$tempprefix" ] ; then
2676 echo $tempprefix.${HOSTNAME}.${UID}
2678 elif ! check_cmd mktemp -u XXXXXX; then
2679 # simple replacement for missing mktemp
2680 # NOT SAFE FOR GENERAL USE
2682 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2687 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2688 (set -C; exec > $tmp) 2>/dev/null ||
2689 die "Unable to create temporary file in $TMPDIR."
2690 append TMPFILES $tmp
2694 trap 'rm -f -- $TMPFILES' EXIT
2699 tmpfile TMPE $EXESUF
2710 # make sure we can execute files in $TMPDIR
2711 cat > $TMPSH 2>> $logfile <<EOF
2714 chmod +x $TMPSH >> $logfile 2>&1
2715 if ! $TMPSH >> $logfile 2>&1; then
2717 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2718 variable to another directory and make sure that it is not mounted noexec.
2720 die "Sanity test failed."
2726 -std=c99) echo -c99 ;;
2727 -mcpu=*) echo -arch ${flag#*=} ;;
2728 -mieee) echo -ieee ;;
2729 -O*|-fast) echo $flag ;;
2730 -fno-math-errno) echo -assume nomath_errno ;;
2732 -Wall) echo -msg_enable level2 ;;
2733 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2734 -Wl,*) echo $flag ;;
2744 -Wno-switch) echo -Wno-switch-enum ;;
2745 -Wno-format-zero-length) ;;
2746 -Wdisabled-optimization) ;;
2747 -Wno-pointer-sign) echo -Wno-other ;;
2753 msvc_common_flags(){
2756 # In addition to specifying certain flags under the compiler
2757 # specific filters, they must be specified here as well or else the
2758 # generic catch all at the bottom will print the original flag.
2762 -fomit-frame-pointer) ;;
2766 -fno-signed-zeros) ;;
2770 -lz) echo zlib.lib ;;
2771 -lavifil32) echo vfw32.lib ;;
2772 -lavicap32) echo vfw32.lib user32.lib ;;
2773 -l*) echo ${flag#-l}.lib ;;
2780 msvc_common_flags "$@"
2783 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2784 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2785 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2793 msvc_common_flags "$@"
2796 # Despite what Intel's documentation says -Wall, which is supported
2797 # on Windows, does enable remarks so disable them here.
2798 -Wall) echo $flag -Qdiag-disable:remark ;;
2799 -std=c99) echo -Qstd=c99 ;;
2807 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2808 -fomit-frame-pointer) echo -Mnoframe ;;
2819 case "${flag#*=}" in
2820 native) echo -xtarget=native ;;
2821 v9|niagara) echo -xarch=sparc ;;
2822 ultrasparc) echo -xarch=sparcvis ;;
2823 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2824 i586|pentium) echo -xchip=pentium ;;
2825 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2826 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2827 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2828 pentium4*) echo -xtarget=pentium4 ;;
2829 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2830 *-sse3) echo -xarch=sse3 ;;
2831 core2) echo -xarch=ssse3 -xchip=core2 ;;
2832 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2833 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2834 amdfam10|barcelona) echo -xtarget=barcelona ;;
2835 bdver*) echo -xarch=avx ;;
2836 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2837 k8|opteron|athlon64|athlon-fx)
2838 echo -xarch=sse2a ;;
2839 athlon*) echo -xarch=pentium_proa ;;
2842 -std=c99) echo -xc99 ;;
2843 -fomit-frame-pointer) echo -xregs=frameptr ;;
2844 -fPIC) echo -KPIC -xcode=pic32 ;;
2845 -W*,*) echo $flag ;;
2846 -f*-*|-W*|-mimpure-text) ;;
2857 case "${flag#*=}" in
2858 armv7-a|cortex-a*) echo -mv=7a8 ;;
2859 armv7-r|cortex-r*) echo -mv=7r4 ;;
2860 armv7-m|cortex-m*) echo -mv=7m3 ;;
2861 armv6*|arm11*) echo -mv=6 ;;
2862 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2864 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2867 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2868 -mfpu=vfp) echo --float_support=vfpv2 ;;
2869 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2870 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2871 -msoft-float) echo --float_support=vfplib ;;
2872 -O[0-3]|-mf=*) echo $flag ;;
2874 -pds=*) echo $flag ;;
2875 -D*|-I*) echo $flag ;;
2876 --gcc|--abi=*) echo $flag ;;
2886 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2887 unset _ld_o _ldflags _ld_lib _ld_path
2888 unset _depflags _DEPCMD _DEPFLAGS
2891 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2893 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2894 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2895 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2898 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2900 gcc_version=$($_cc --version | head -n1)
2901 gcc_basever=$($_cc -dumpversion)
2902 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2903 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2904 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2905 if ! $_cc -dumpversion | grep -q '^2\.'; then
2906 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2910 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2912 _ident=$($_cc --version | head -n1)
2917 elif $_cc -v 2>&1 | grep -q xlc; then
2919 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2921 _cflags_size='-O5 -qcompact'
2922 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2924 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2926 _cflags_speed='-fast'
2928 _flags_filter=ccc_flags
2929 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2930 test -d "$sysroot" || die "No valid sysroot specified."
2932 _ident=$($_cc --vsn | head -n1)
2933 armcc_conf="$PWD/armcc.conf"
2934 $_cc --arm_linux_configure \
2935 --arm_linux_config_file="$armcc_conf" \
2936 --configure_sysroot="$sysroot" \
2937 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2938 die "Error creating armcc configuration file."
2939 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2940 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2941 as_default="${cross_prefix}gcc"
2945 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2947 _ident=$($_cc -version | head -n1 | tr -s ' ')
2948 _flags='--gcc --abi=eabi -me'
2951 _depflags='-ppa -ppd=$(@:.o=.d)'
2952 _cflags_speed='-O3 -mf=5'
2953 _cflags_size='-O3 -mf=2'
2954 _flags_filter=tms470_flags
2955 elif $_cc -v 2>&1 | grep -q clang; then
2957 _ident=$($_cc --version | head -n1)
2961 elif $_cc -V 2>&1 | grep -q Sun; then
2963 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2964 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2965 _DEPFLAGS='-xM1 -xc99'
2968 _cflags_size='-O5 -xspace'
2969 _flags_filter=suncc_flags
2970 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2972 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2973 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2976 _flags_filter='filter_out -Wdisabled-optimization'
2977 elif $_cc -v 2>&1 | grep -q Open64; then
2979 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2980 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2983 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2984 elif $_cc -V 2>&1 | grep -q Portland; then
2986 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2987 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2988 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2989 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2991 _flags_filter=pgi_flags
2992 elif $_cc 2>&1 | grep -q Microsoft; then
2994 _ident=$($cc 2>&1 | head -n1)
2995 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2996 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2999 # Nonstandard output options, to avoid msys path conversion issues.
3000 # Relies on wrapper to remap it.
3001 if $_cc 2>&1 | grep -q Linker; then
3008 _flags_filter=msvc_flags
3010 _ld_path='-libpath:'
3012 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3013 if [ $pfx = hostcc ]; then
3014 append _cflags -Dsnprintf=_snprintf
3017 elif $_cc 2>&1 | grep -q Intel; then
3019 _ident=$($cc 2>&1 | head -n1)
3020 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3021 # Not only is O3 broken on 13.x+ but it is slower on all previous
3022 # versions (tested) as well.
3024 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3025 # Nonstandard output options, to avoid msys path conversion issues.
3026 # Relies on wrapper to remap it.
3027 if $_cc 2>&1 | grep -q Linker; then
3034 _flags_filter=icl_flags
3036 _ld_path='-libpath:'
3037 # -Qdiag-error to make icl error when seeing certain unknown arguments
3038 _flags='-nologo -Qdiag-error:4044,10157'
3039 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3040 # with MSVC which enables it by default.
3041 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3042 if [ $pfx = hostcc ]; then
3043 append _cflags -Dsnprintf=_snprintf
3045 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3047 _ident=$($_cc --version | head -n1)
3051 _flags_filter=cparser_flags
3054 eval ${pfx}_type=\$_type
3055 eval ${pfx}_ident=\$_ident
3059 eval ${1}_C=\${_cc_c-\${${1}_C}}
3060 eval ${1}_E=\${_cc_e-\${${1}_E}}
3061 eval ${1}_O=\${_cc_o-\${${1}_O}}
3063 if [ -n "$_depflags" ]; then
3064 eval ${1}_DEPFLAGS=\$_depflags
3066 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3067 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3068 eval DEP${1}FLAGS=\$_flags
3073 cflags_filter=$_flags_filter
3074 cflags_speed=$_cflags_speed
3075 cflags_size=$_cflags_size
3076 cflags_noopt=$_cflags_noopt
3077 add_cflags $_flags $_cflags
3078 cc_ldflags=$_ldflags
3081 probe_cc hostcc "$host_cc"
3082 host_cflags_filter=$_flags_filter
3083 add_host_cflags $_flags $_cflags
3086 test -n "$cc_type" && enable $cc_type ||
3087 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3089 : ${as_default:=$cc}
3090 : ${dep_cc_default:=$cc}
3091 : ${ld_default:=$cc}
3092 : ${host_ld_default:=$host_cc}
3093 set_default ar as dep_cc ld host_ld
3096 asflags_filter=$_flags_filter
3097 add_asflags $_flags $_cflags
3101 ldflags_filter=$_flags_filter
3102 add_ldflags $_flags $_ldflags
3103 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3105 LD_LIB=${_ld_lib-$LD_LIB}
3106 LD_PATH=${_ld_path-$LD_PATH}
3108 probe_cc hostld "$host_ld"
3109 host_ldflags_filter=$_flags_filter
3110 add_host_ldflags $_flags $_ldflags
3111 HOSTLD_O=${_ld_o-$HOSTLD_O}
3113 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3114 probe_cc depcc "$dep_cc"
3115 CCDEP=${_DEPCMD:-$DEPCMD}
3116 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3120 if $ar 2>&1 | grep -q Microsoft; then
3123 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3126 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3127 arflags='-Xany -r -c'
3134 add_cflags $extra_cflags
3135 add_cxxflags $extra_cxxflags
3136 add_asflags $extra_cflags
3138 if test -n "$sysroot"; then
3141 add_cppflags --sysroot="$sysroot"
3142 add_ldflags --sysroot="$sysroot"
3145 add_cppflags -I"$sysinclude"
3146 add_ldflags --sysroot="$sysroot"
3151 if test "$cpu" = host; then
3152 enabled cross_compile &&
3153 die "--cpu=host makes no sense when cross-compiling."
3158 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3160 s/.*$1=\\([^ ]*\\).*/\\1/
3165 cpu=$(check_native -march || check_native -mcpu)
3169 test "${cpu:-host}" = host &&
3170 die "--cpu=host not supported with compiler $cc"
3173 # Deal with common $arch aliases
3187 "Power Macintosh"|ppc*|powerpc*)
3202 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3207 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3210 # Add processor-specific flags
3211 if enabled aarch64; then
3215 cpuflags="-march=$cpu"
3218 cpuflags="-mcpu=$cpu"
3222 elif enabled alpha; then
3224 cpuflags="-mcpu=$cpu"
3226 elif enabled arm; then
3229 check_cpp_condition stddef.h \
3230 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3235 if check_arm_arch 4; then echo armv4;
3236 elif check_arm_arch 4T; then echo armv4t;
3237 elif check_arm_arch 5; then echo armv5;
3238 elif check_arm_arch 5E; then echo armv5e;
3239 elif check_arm_arch 5T; then echo armv5t;
3240 elif check_arm_arch 5TE; then echo armv5te;
3241 elif check_arm_arch 5TEJ; then echo armv5te;
3242 elif check_arm_arch 6; then echo armv6;
3243 elif check_arm_arch 6J; then echo armv6j;
3244 elif check_arm_arch 6K; then echo armv6k;
3245 elif check_arm_arch 6Z; then echo armv6z;
3246 elif check_arm_arch 6ZK; then echo armv6zk;
3247 elif check_arm_arch 6T2; then echo armv6t2;
3248 elif check_arm_arch 7; then echo armv7;
3249 elif check_arm_arch 7A 7_A; then echo armv7-a;
3250 elif check_arm_arch 7R 7_R; then echo armv7-r;
3251 elif check_arm_arch 7M 7_M; then echo armv7-m;
3252 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3253 elif check_arm_arch 8A 8_A; then echo armv8-a;
3257 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3261 cpuflags="-march=$cpu"
3262 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3265 cpuflags="-mcpu=$cpu"
3267 cortex-a*) subarch=armv7a ;;
3268 cortex-r*) subarch=armv7r ;;
3269 cortex-m*) enable thumb; subarch=armv7m ;;
3270 arm11*) subarch=armv6 ;;
3271 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3272 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3273 *) subarch=$(probe_arm_arch) ;;
3279 armv5t*) enable fast_clz ;;
3280 armv[6-8]*) enable fast_clz fast_unaligned ;;
3283 elif enabled avr32; then
3288 cpuflags="-mpart=$cpu"
3292 cpuflags="-march=$cpu"
3296 cpuflags="-mcpu=$cpu"
3300 cpuflags="-march=$cpu"
3304 elif enabled bfin; then
3306 cpuflags="-mcpu=$cpu"
3308 elif enabled mips; then
3310 cpuflags="-march=$cpu"
3326 24kef*|34kf*|1004kf*)
3334 elif enabled ppc; then
3336 case $(tolower $cpu) in
3337 601|ppc601|powerpc601)
3338 cpuflags="-mcpu=601"
3341 603*|ppc603*|powerpc603*)
3342 cpuflags="-mcpu=603"
3345 604*|ppc604*|powerpc604*)
3346 cpuflags="-mcpu=604"
3349 g3|75*|ppc75*|powerpc75*)
3350 cpuflags="-mcpu=750"
3353 g4|745*|ppc745*|powerpc745*)
3354 cpuflags="-mcpu=7450"
3356 74*|ppc74*|powerpc74*)
3357 cpuflags="-mcpu=7400"
3359 g5|970|ppc970|powerpc970)
3360 cpuflags="-mcpu=970"
3363 cpuflags="-mcpu=$cpu"
3366 cpuflags="-mcpu=cell"
3370 cpuflags="-mcpu=e500mc"
3374 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3378 cpuflags="-mcpu=8540 -mhard-float"
3383 elif enabled sparc; then
3386 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3387 cpuflags="-mcpu=$cpu"
3390 ultrasparc*|niagara[234])
3391 cpuflags="-mcpu=$cpu"
3395 elif enabled x86; then
3399 cpuflags="-march=$cpu"
3402 # targets that do NOT support nopl and conditional mov (cmov)
3403 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3404 cpuflags="-march=$cpu"
3407 # targets that do support nopl and conditional mov (cmov)
3408 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*)
3409 cpuflags="-march=$cpu"
3413 # targets that do support conditional mov but on which it's slow
3414 pentium4|pentium4m|prescott|nocona)
3415 cpuflags="-march=$cpu"
3423 if [ "$cpu" != generic ]; then
3424 add_cflags $cpuflags
3425 add_asflags $cpuflags
3428 # compiler sanity check
3430 int main(void){ return 0; }
3432 if test "$?" != 0; then
3433 echo "$cc is unable to create an executable file."
3434 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3435 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3436 echo "Only do this if you know what cross compiling means."
3438 die "C compiler test failed."
3441 add_cppflags -D_ISOC99_SOURCE
3442 add_cxxflags -D__STDC_CONSTANT_MACROS
3443 check_cflags -std=c99
3444 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3447 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3451 check_host_cflags -std=c99
3452 check_host_cflags -Wall
3458 check_code cc "" "int test[2*($expr) - 1]" &&
3459 subarch=$arch64 || subarch=$arch32
3467 check_64bit mips mips64 '_MIPS_SIM > 1'
3471 check_64bit parisc parisc64 'sizeof(void *) > 4'
3475 check_64bit ppc ppc64 'sizeof(void *) > 4'
3479 check_64bit sparc sparc64 'sizeof(void *) > 4'
3483 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3484 if test "$subarch" = "x86_64"; then
3489 check_cc <<EOF && subarch="ppc64"
3490 int test[(int)sizeof(char*) - 7];
3496 enabled spic && enable_weak pic
3502 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3503 enabled shared && add_ldflags -Wl,-brtl
3506 prefix_default="/boot/common"
3507 network_extralibs="-lnetwork"
3511 SHFLAGS='-shared -Wl,-h,$$(@F)'
3512 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3513 network_extralibs="-lsocket -lnsl"
3514 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3515 # When using suncc to build, the Solaris linker will mark
3516 # an executable with each instruction set encountered by
3517 # the Solaris assembler. As our libraries contain their own
3518 # guards for processor-specific code, instead suppress
3519 # generation of the HWCAPS ELF section on Solaris x86 only.
3520 enabled_all suncc x86 &&
3521 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3522 add_ldflags -Wl,-M,mapfile
3523 nm_default='nm -P -g'
3527 oss_indev_extralibs="-lossaudio"
3528 oss_outdev_extralibs="-lossaudio"
3529 enabled gcc || check_ldflags -Wl,-zmuldefs
3534 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3536 oss_indev_extralibs="-lossaudio"
3537 oss_outdev_extralibs="-lossaudio"
3545 add_extralibs -lpoll -lgnugetopt
3549 gas="gas-preprocessor.pl $cc"
3550 enabled ppc && add_asflags -force_cpusubtype_ALL
3551 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3552 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3554 add_ldflags -Wl,-dynamic,-search_paths_first
3556 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3557 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3559 enabled x86_64 && objformat="macho64"
3560 enabled_any pic shared ||
3561 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3564 if test $target_os = "mingw32ce"; then
3570 if enabled x86_64; then
3571 LIBTARGET="i386:x86-64"
3572 elif enabled arm; then
3575 check_ldflags -Wl,--nxcompat
3576 check_ldflags -Wl,--dynamicbase
3577 shlibdir_default="$bindir_default"
3580 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3581 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3582 dlltool="${cross_prefix}dlltool"
3583 if check_cmd lib.exe -list; then
3584 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3585 if enabled x86_64; then
3588 elif check_cmd $dlltool --version; then
3589 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3591 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3593 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3594 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3595 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3601 if enabled shared; then
3602 # Link to the import library instead of the normal static library
3605 # Cannot build both shared and static libs with MSVC or icl.
3608 shlibdir_default="$bindir_default"
3611 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3612 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3613 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3614 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3616 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3617 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3618 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3625 shlibdir_default="$bindir_default"
3628 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3629 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3630 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3632 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3633 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3637 *-dos|freedos|opendos)
3638 network_extralibs="-lsocket"
3641 add_cppflags -U__STRICT_ANSI__
3648 ranlib="echo ignoring ranlib"
3654 add_cppflags -D_GNU_SOURCE
3655 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3656 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3660 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3661 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3662 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3663 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3664 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3665 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3666 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3667 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3668 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3669 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3670 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3672 enable_weak os2threads
3675 add_cppflags -D_BSD_SOURCE
3680 add_cppflags -D_QNX_SOURCE
3681 network_extralibs="-lsocket"
3686 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3687 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3688 add_ldflags -Wl,--target1-abs,--no-undefined \
3689 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3690 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3691 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3692 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3693 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3696 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3701 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3702 -D_REENTRANT_SOURCE \
3703 -D_RESEARCH_SOURCE \
3706 add_compat strtod.o strtod=avpriv_strtod
3707 network_extralibs='-lbsd'
3708 exeobjs=compat/plan9/main.o
3715 die "Unknown OS '$target_os'."
3719 # determine libc flavour
3721 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3722 if check_cpp_condition features.h "defined __UCLIBC__"; then
3724 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3725 elif check_cpp_condition features.h "defined __GLIBC__"; then
3727 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3728 # MinGW headers can be installed on Cygwin, so check for newlib first.
3729 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3731 add_cppflags -U__STRICT_ANSI__
3732 elif check_header _mingw.h; then
3734 check_cpp_condition _mingw.h \
3735 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3736 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3737 die "ERROR: MinGW runtime version must be >= 3.15."
3738 add_cppflags -U__STRICT_ANSI__
3739 if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3740 __MINGW64_VERSION_MAJOR < 3"; then
3741 add_compat msvcrt/snprintf.o
3742 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3744 add_cppflags -D__USE_MINGW_ANSI_STDIO=1
3746 elif check_func_headers stdlib.h _get_doserrno; then
3748 add_compat strtod.o strtod=avpriv_strtod
3749 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3750 _snprintf=avpriv_snprintf \
3751 vsnprintf=avpriv_vsnprintf
3752 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3753 # 0x601 by default unless something else is set by the user.
3754 # This can easily lead to us detecting functions only present
3755 # in such new versions and producing binaries requiring windows 7.0.
3756 # Therefore explicitly set the default to XP unless the user has
3757 # set something else on the command line.
3758 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
3759 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3761 elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3763 add_compat strtod.o strtod=avpriv_strtod
3766 test -n "$libc_type" && enable $libc_type
3768 # hacks for compiler/libc/os combinations
3770 if enabled_all tms470 glibc; then
3771 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3772 add_cppflags -D__USER_LABEL_PREFIX__=
3773 add_cppflags -D__builtin_memset=memset
3774 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3775 add_cflags -pds=48 # incompatible redefinition of macro
3778 if enabled_all ccc glibc; then
3779 add_ldflags -Wl,-z,now # calls to libots crash without this
3783 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3786 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3788 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3790 set_default $PATHS_LIST
3793 # we need to build at least one lib type
3794 if ! enabled_any static shared; then
3796 At least one library type must be built.
3797 Specify --enable-static to build the static libraries or --enable-shared to
3798 build the shared libraries as well. To only build the shared libraries specify
3799 --disable-static in addition to --enable-shared.
3804 # backward compatibility layer for incompatible_libav/fork_abi
3805 enabled incompatible_fork_abi && enable incompatible_libav_abi
3806 enabled incompatible_libav_abi && enable incompatible_fork_abi
3808 die_license_disabled() {
3809 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3812 die_license_disabled_gpl() {
3813 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3816 die_license_disabled gpl frei0r
3817 die_license_disabled gpl libcdio
3818 die_license_disabled gpl libutvideo
3819 die_license_disabled gpl libvidstab
3820 die_license_disabled gpl libx264
3821 die_license_disabled gpl libxavs
3822 die_license_disabled gpl libxvid
3823 die_license_disabled gpl libzvbi
3824 die_license_disabled gpl x11grab
3826 die_license_disabled nonfree libaacplus
3827 die_license_disabled nonfree libfaac
3828 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3829 enabled gpl && die_license_disabled_gpl nonfree openssl
3831 die_license_disabled version3 libopencore_amrnb
3832 die_license_disabled version3 libopencore_amrwb
3833 die_license_disabled version3 libvo_aacenc
3834 die_license_disabled version3 libvo_amrwbenc
3836 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3838 disabled optimizations || check_cflags -fomit-frame-pointer
3841 disabled pic && return
3844 case "$target_os" in
3854 enabled pic && enable_weak_pic
3856 check_cc <<EOF || die "Symbol mangling check failed."
3859 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3860 extern_prefix=${sym%%ff_extern*}
3862 check_cc <<EOF && enable_weak inline_asm
3863 void foo(void) { __asm__ volatile ("" ::); }
3867 for restrict_keyword in restrict __restrict__ __restrict; do
3868 check_cc <<EOF && _restrict=$restrict_keyword && break
3869 void foo(char * $restrict_keyword p);
3873 check_cc <<EOF && enable pragma_deprecated
3874 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3877 check_cc <<EOF && enable attribute_packed
3878 struct { int x; } __attribute__((packed)) x;
3881 check_cc <<EOF && enable attribute_may_alias
3882 union { int x; } __attribute__((may_alias)) x;
3885 check_cc <<EOF || die "endian test failed"
3886 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3888 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3890 check_inline_asm inline_asm_labels '"1:\n"'
3892 if enabled alpha; then
3896 elif enabled arm; then
3898 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
3899 float func(float a, float b){ return a+b; }
3902 enabled thumb && check_cflags -mthumb || check_cflags -marm
3905 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3907 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3908 case "${cross_prefix:-$cc}" in
3909 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3910 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3911 __asm__ (".eabi_attribute 28, 1");
3912 int main(void) { return 0; }
3915 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3918 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3919 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3920 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3921 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3922 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3923 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3925 [ $target_os = linux ] ||
3926 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3929 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3930 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3932 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
3934 elif enabled mips; then
3936 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3937 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3938 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
3939 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3940 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3941 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3942 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3943 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3944 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
3946 elif enabled parisc; then
3948 if enabled gcc; then
3949 case $($cc -dumpversion) in
3950 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3954 elif enabled ppc; then
3956 enable local_aligned_8 local_aligned_16
3958 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3959 check_inline_asm ibm_asm '"add 0, 0, 0"'
3960 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3961 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3963 # AltiVec flags: The FSF version of GCC differs from the Apple version
3964 if enabled altivec; then
3965 if ! enabled_any pic ppc64; then
3968 check_cflags -maltivec -mabi=altivec &&
3969 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3970 check_cflags -faltivec
3972 # check if our compiler supports Motorola AltiVec C API
3973 check_cc <<EOF || disable altivec
3976 vector signed int v1 = (vector signed int) { 0 };
3977 vector signed int v2 = (vector signed int) { 1 };
3978 v1 = vec_add(v1, v2);
3983 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3986 elif enabled sparc; then
3988 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
3990 elif enabled x86; then
3992 check_builtin rdtsc intrin.h "__rdtsc()"
3993 check_builtin mm_empty mmintrin.h "_mm_empty()"
3995 enable local_aligned_8 local_aligned_16
3997 # check whether EBP is available on x86
3998 # As 'i' is stored on the stack, this program will crash
3999 # if the base pointer is used to access it because the
4000 # base pointer is cleared in the inline assembly code.
4001 check_exec_crash <<EOF && enable ebp_available
4003 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4007 # check whether EBX is available on x86
4008 check_inline_asm ebx_available '""::"b"(0)' &&
4009 check_inline_asm ebx_available '"":::"%ebx"'
4011 # check whether xmm clobbers are supported
4012 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4014 # check whether binutils is new enough to compile SSSE3/MMXEXT
4015 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4016 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4018 if ! disabled_any asm mmx yasm; then
4019 if check_cmd $yasmexe --version; then
4020 enabled x86_64 && yasm_extra="-m amd64"
4021 yasm_debug="-g dwarf2"
4022 elif check_cmd nasm -v; then
4024 yasm_debug="-g -F dwarf"
4025 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4028 YASMFLAGS="-f $objformat $yasm_extra"
4029 enabled pic && append YASMFLAGS "-DPIC"
4030 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4031 case "$objformat" in
4032 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4035 check_yasm "movbe ecx, [5]" && enable yasm ||
4036 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4037 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4038 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4039 check_yasm "CPU amdnop" && enable cpunop
4043 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4050 if enabled asm; then
4052 check_as <<EOF && enable gnu_as || \
4053 $nogas "GNU assembler not found, install gas-preprocessor"
4061 check_ldflags -Wl,--as-needed
4063 if check_func dlopen; then
4065 elif check_func dlopen -ldl; then
4069 if ! disabled network; then
4070 check_type "sys/types.h sys/socket.h" socklen_t
4071 check_type netdb.h "struct addrinfo"
4072 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4073 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4074 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4075 check_type netinet/in.h "struct sockaddr_in6"
4076 check_type poll.h "struct pollfd"
4077 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4078 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4079 check_type netinet/sctp.h "struct sctp_event_subscribe"
4080 check_func getaddrinfo $network_extralibs
4081 check_func getservbyport $network_extralibs
4082 # Prefer arpa/inet.h over winsock2
4083 if check_header arpa/inet.h ; then
4084 check_func closesocket
4085 elif check_header winsock2.h ; then
4086 check_func_headers winsock2.h closesocket -lws2 &&
4087 network_extralibs="-lws2" ||
4088 { check_func_headers winsock2.h closesocket -lws2_32 &&
4089 network_extralibs="-lws2_32"; }
4090 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4091 check_type ws2tcpip.h socklen_t
4092 check_type ws2tcpip.h "struct addrinfo"
4093 check_type ws2tcpip.h "struct group_source_req"
4094 check_type ws2tcpip.h "struct ip_mreq_source"
4095 check_type ws2tcpip.h "struct ipv6_mreq"
4096 check_type winsock2.h "struct pollfd"
4097 check_type ws2tcpip.h "struct sockaddr_in6"
4098 check_type ws2tcpip.h "struct sockaddr_storage"
4099 check_struct winsock2.h "struct sockaddr" sa_len
4105 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4106 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4109 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4112 check_func_headers stdlib.h getenv
4113 check_func gethrtime
4115 check_func getrusage
4116 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4117 check_func gettimeofday
4118 check_func inet_aton $network_extralibs
4120 check_func localtime_r
4121 check_func ${malloc_prefix}memalign && enable memalign
4125 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4126 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4127 check_func setrlimit
4128 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4129 check_func strerror_r
4130 check_func sched_getaffinity
4131 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4132 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4133 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4134 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4135 check_builtin sarestart signal.h "SA_RESTART"
4139 check_func_headers conio.h kbhit
4140 check_func_headers windows.h PeekNamedPipe
4141 check_func_headers io.h setmode
4142 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4143 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4144 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4145 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4146 check_func_headers windows.h GetProcessAffinityMask
4147 check_func_headers windows.h GetProcessTimes
4148 check_func_headers windows.h GetSystemTimeAsFileTime
4149 check_func_headers windows.h MapViewOfFile
4150 check_func_headers windows.h SetConsoleTextAttribute
4151 check_func_headers windows.h Sleep
4152 check_func_headers windows.h VirtualAlloc
4153 check_func_headers glob.h glob
4154 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4156 check_header cl/cl.h
4157 check_header direct.h
4158 check_header dlfcn.h
4160 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4162 check_header libcrystalhd/libcrystalhd_if.h
4163 check_header malloc.h
4165 check_header sys/mman.h
4166 check_header sys/param.h
4167 check_header sys/resource.h
4168 check_header sys/select.h
4169 check_header sys/time.h
4170 check_header sys/un.h
4171 check_header termios.h
4172 check_header unistd.h
4173 check_header vdpau/vdpau.h
4174 check_header vdpau/vdpau_x11.h
4175 check_header VideoDecodeAcceleration/VDADecoder.h
4176 check_header windows.h
4177 check_header X11/extensions/XvMClib.h
4178 check_header asm/types.h
4180 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4181 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4183 if ! disabled w32threads && ! enabled pthreads; then
4184 check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
4187 # check for some common methods of building with pthread support
4188 # do this before the optional library checks as some of them require pthreads
4189 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4191 if check_func pthread_create; then
4193 elif check_func pthread_create -pthread; then
4195 add_extralibs -pthread
4196 elif check_func pthread_create -pthreads; then
4197 add_cflags -pthreads
4198 add_extralibs -pthreads
4199 elif check_func pthread_create -lpthreadGC2; then
4200 add_extralibs -lpthreadGC2
4201 elif ! check_lib pthread.h pthread_create -lpthread; then
4206 for thread in $THREADS_LIST; do
4207 if enabled $thread; then
4208 test -n "$thread_type" &&
4209 die "ERROR: Only one thread type must be selected." ||
4210 thread_type="$thread"
4214 if enabled pthreads; then
4215 check_func pthread_cancel
4218 enabled sync_val_compare_and_swap && enable atomics_gcc
4219 enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
4220 enabled MemoryBarrier && enable atomics_win32
4222 check_lib math.h sin -lm && LIBM="-lm"
4223 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4229 for func in $MATH_FUNCS; do
4230 eval check_mathfunc $func \${${func}_args:-1}
4233 # these are off by default, so fail if requested and not available
4234 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4235 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4236 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4237 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4238 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4239 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4240 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4241 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4242 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4243 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4244 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4245 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4246 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4247 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4248 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4249 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4250 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4251 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"
4252 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4253 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
4254 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4255 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4256 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4257 done || die "ERROR: libgsm not found"; }
4258 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4259 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4260 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4261 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4262 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4263 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4264 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4265 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4266 check_lib openjpeg.h opj_version -lopenjpeg ||
4267 die "ERROR: libopenjpeg not found"; }
4268 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4269 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4270 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4271 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4272 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4273 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4274 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4275 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4276 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4277 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4278 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4279 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4280 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4281 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4282 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4283 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4284 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4285 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4286 enabled libvidstab && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4287 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4288 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4289 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4291 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4292 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4293 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 ||
4294 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4295 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4296 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
4297 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4298 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4299 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4300 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4301 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4302 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4303 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4304 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4305 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4306 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4307 die "ERROR: openal not found"; } &&
4308 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4309 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4310 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4311 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4312 die "ERROR: opencl not found"; } &&
4313 { ! enabled_any w32threads os2threads ||
4314 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4315 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4316 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4317 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4318 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4319 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4320 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4321 die "ERROR: openssl not found"; }
4323 if enabled gnutls; then
4324 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4325 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4329 if enabled libdc1394; then
4330 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4331 enable libdc1394_2; } ||
4332 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4333 enable libdc1394_1; } ||
4334 die "ERROR: No version of libdc1394 found "
4337 SDL_CONFIG="${cross_prefix}sdl-config"
4338 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4339 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4340 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4343 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4344 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4345 sdl_libs=$("${SDL_CONFIG}" --libs)
4346 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4347 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4348 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4352 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4354 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4355 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4356 perl --version > /dev/null 2>&1 && enable perl || disable perl
4357 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4358 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4360 check_header linux/fb.h
4361 check_header linux/videodev.h
4362 check_header linux/videodev2.h
4363 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4365 check_header sys/videoio.h
4367 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4368 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4369 # w32api 3.12 had it defined wrong
4370 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4372 check_type "dshow.h" IBaseFilter
4374 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4375 { check_header dev/bktr/ioctl_meteor.h &&
4376 check_header dev/bktr/ioctl_bt848.h; } ||
4377 { check_header machine/ioctl_meteor.h &&
4378 check_header machine/ioctl_bt848.h; } ||
4379 { check_header dev/video/meteor/ioctl_meteor.h &&
4380 check_header dev/video/bktr/ioctl_bt848.h; } ||
4381 check_header dev/ic/bt8xx.h
4383 check_header sndio.h
4384 if check_struct sys/soundcard.h audio_buf_info bytes; then
4385 enable_safe sys/soundcard.h
4387 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4388 #include <sys/soundcard.h>
4392 check_header soundcard.h
4394 enabled_any alsa_indev alsa_outdev &&
4395 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4397 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4398 check_func jack_port_get_latency_range -ljack
4400 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4402 if enabled libcdio; then
4403 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4404 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4405 die "ERROR: libcdio-paranoia not found"
4409 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
4410 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4411 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
4414 check_lib va/va.h vaInitialize -lva ||
4418 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4421 # Funny iconv installations are not unusual, so check it after all flags have been set
4422 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4424 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4426 # add some useful compiler flags if supported
4427 check_cflags -Wdeclaration-after-statement
4429 check_cflags -Wdisabled-optimization
4430 check_cflags -Wpointer-arith
4431 check_cflags -Wredundant-decls
4432 check_cflags -Wwrite-strings
4433 check_cflags -Wtype-limits
4434 check_cflags -Wundef
4435 check_cflags -Wmissing-prototypes
4436 check_cflags -Wno-pointer-to-int-cast
4437 check_cflags -Wstrict-prototypes
4438 enabled extra_warnings && check_cflags -Winline
4440 check_disable_warning(){
4441 warning_flag=-W${1#-Wno-}
4442 test_cflags $warning_flag && add_cflags $1
4445 check_disable_warning -Wno-parentheses
4446 check_disable_warning -Wno-switch
4447 check_disable_warning -Wno-format-zero-length
4448 check_disable_warning -Wno-pointer-sign
4449 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4451 # add some linker flags
4452 check_ldflags -Wl,--warn-common
4453 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4454 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4456 enabled xmm_clobber_test &&
4457 check_ldflags -Wl,--wrap,avcodec_open2 \
4458 -Wl,--wrap,avcodec_decode_audio4 \
4459 -Wl,--wrap,avcodec_decode_video2 \
4460 -Wl,--wrap,avcodec_decode_subtitle2 \
4461 -Wl,--wrap,avcodec_encode_audio2 \
4462 -Wl,--wrap,avcodec_encode_video \
4463 -Wl,--wrap,avcodec_encode_video2 \
4464 -Wl,--wrap,avcodec_encode_subtitle \
4465 -Wl,--wrap,sws_scale ||
4466 disable xmm_clobber_test
4469 if test_ldflags -Wl,--version-script,$TMPV; then
4470 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4471 check_cc <<EOF && enable symver_asm_label
4472 void ff_foo(void) __asm__ ("av_foo@VERSION");
4473 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4475 check_cc <<EOF && enable symver_gnu_asm
4476 __asm__(".symver ff_foo,av_foo@VERSION");
4477 void ff_foo(void) {}
4481 if [ -z "$optflags" ]; then
4482 if enabled small; then
4483 optflags=$cflags_size
4484 elif enabled optimizations; then
4485 optflags=$cflags_speed
4487 optflags=$cflags_noopt
4493 enabled lto && check_ldflags "$@"
4497 if enabled lto; then
4498 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4500 check_ldflags -flto $cpuflags
4503 check_optflags $optflags
4504 check_optflags -fno-math-errno
4505 check_optflags -fno-signed-zeros
4507 enabled ftrapv && check_cflags -ftrapv
4509 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4514 if enabled icc; then
4515 # Just warnings, no remarks
4517 # -wd: Disable following warnings
4518 # 144, 167, 556: -Wno-pointer-sign
4519 # 188: enumerated type mixed with another type
4520 # 1292: attribute "foo" ignored
4521 # 1419: external declaration in primary source file
4522 # 10006: ignoring unknown option -fno-signed-zeros
4523 # 10148: ignoring unknown option -Wno-parentheses
4524 # 10156: ignoring option '-W'; no argument required
4525 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4526 # 11030: Warning unknown option --as-needed
4527 # 10156: ignoring option '-export'; no argument required
4528 check_ldflags -wd10156,11030
4529 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4530 enable ebp_available
4531 if enabled x86_32; then
4532 icc_version=$($cc -dumpversion)
4533 test ${icc_version%%.*} -ge 11 &&
4534 check_cflags -falign-stack=maintain-16-byte ||
4535 disable aligned_stack
4537 elif enabled ccc; then
4538 # disable some annoying warnings
4539 add_cflags -msg_disable bitnotint
4540 add_cflags -msg_disable mixfuncvoid
4541 add_cflags -msg_disable nonstandcast
4542 add_cflags -msg_disable unsupieee
4543 elif enabled gcc; then
4544 check_optflags -fno-tree-vectorize
4545 check_cflags -Werror=implicit-function-declaration
4546 check_cflags -Werror=missing-prototypes
4547 check_cflags -Werror=return-type
4548 check_cflags -Werror=vla
4549 elif enabled llvm_gcc; then
4550 check_cflags -mllvm -stack-alignment=16
4551 elif enabled clang; then
4552 check_cflags -mllvm -stack-alignment=16
4553 check_cflags -Qunused-arguments
4554 check_cflags -Werror=implicit-function-declaration
4555 check_cflags -Werror=missing-prototypes
4556 check_cflags -Werror=return-type
4557 elif enabled cparser; then
4558 add_cflags -Wno-missing-variable-declarations
4559 add_cflags -Wno-empty-statement
4560 elif enabled armcc; then
4561 # 2523: use of inline assembler is deprecated
4562 add_cflags -W${armcc_opt},--diag_suppress=2523
4563 add_cflags -W${armcc_opt},--diag_suppress=1207
4564 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4565 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4566 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4567 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4568 elif enabled tms470; then
4569 add_cflags -pds=824 -pds=837
4570 elif enabled pathscale; then
4571 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4572 elif enabled_any msvc icl; then
4573 enabled x86_32 && disable aligned_stack
4574 enabled_all x86_32 debug && add_cflags -Oy-
4575 enabled debug && add_ldflags -debug
4576 enable pragma_deprecated
4577 if enabled icl; then
4578 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4579 # (correctly) on icl 13.x.
4580 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4581 add_cflags -Qansi-alias
4582 # icl will pass the inline asm tests but inline asm is currently
4583 # not supported (build will fail)
4584 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4591 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4594 add_cppflags -Dmain=plan9_main
4598 enable frame_thread_encoder
4599 enabled_any $THREADS_LIST && enable threads
4600 enabled_any $ATOMICS_LIST && enable atomics_native
4602 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"
4604 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4606 check_deps $CONFIG_LIST \
4612 if test $target_os = "haiku"; then
4614 disable posix_memalign
4617 ! enabled_any memalign posix_memalign aligned_malloc &&
4618 enabled_any $need_memalign && enable memalign_hack
4621 # -> enable ${lib}_deps_${dep}
4622 # -> add $dep to ${lib}_deps only once
4626 enabled "${lib}_deps_${dep}" && return 0
4627 enable "${lib}_deps_${dep}"
4628 prepend "${lib}_deps" $dep
4631 # merge deps lib components
4632 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4637 enabled $comp || continue
4638 eval "dep=\"\$${comp}_deps\""
4645 merge_deps libavfilter $FILTER_LIST
4647 echo "install prefix $prefix"
4648 echo "source path $source_path"
4649 echo "C compiler $cc"
4650 echo "ARCH $arch ($cpu)"
4651 if test "$build_suffix" != ""; then
4652 echo "build suffix $build_suffix"
4654 if test "$progs_suffix" != ""; then
4655 echo "progs suffix $progs_suffix"
4657 if test "$extra_version" != ""; then
4658 echo "version string suffix $extra_version"
4660 echo "big-endian ${bigendian-no}"
4661 echo "runtime cpu detection ${runtime_cpudetect-no}"
4662 if enabled x86; then
4663 echo "${yasmexe} ${yasm-no}"
4664 echo "MMX enabled ${mmx-no}"
4665 echo "MMXEXT enabled ${mmxext-no}"
4666 echo "3DNow! enabled ${amd3dnow-no}"
4667 echo "3DNow! extended enabled ${amd3dnowext-no}"
4668 echo "SSE enabled ${sse-no}"
4669 echo "SSSE3 enabled ${ssse3-no}"
4670 echo "AVX enabled ${avx-no}"
4671 echo "FMA4 enabled ${fma4-no}"
4672 echo "i686 features enabled ${i686-no}"
4673 echo "CMOV is fast ${fast_cmov-no}"
4674 echo "EBX available ${ebx_available-no}"
4675 echo "EBP available ${ebp_available-no}"
4677 if enabled arm; then
4678 echo "ARMv5TE enabled ${armv5te-no}"
4679 echo "ARMv6 enabled ${armv6-no}"
4680 echo "ARMv6T2 enabled ${armv6t2-no}"
4681 echo "VFP enabled ${vfp-no}"
4682 echo "NEON enabled ${neon-no}"
4683 echo "THUMB enabled ${thumb-no}"
4685 if enabled mips; then
4686 echo "MIPS FPU enabled ${mipsfpu-no}"
4687 echo "MIPS32R2 enabled ${mips32r2-no}"
4688 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4689 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4691 if enabled ppc; then
4692 echo "AltiVec enabled ${altivec-no}"
4693 echo "PPC 4xx optimizations ${ppc4xx-no}"
4694 echo "dcbzl available ${dcbzl-no}"
4696 if enabled sparc; then
4697 echo "VIS enabled ${vis-no}"
4699 echo "debug symbols ${debug-no}"
4700 echo "strip symbols ${stripping-no}"
4701 echo "optimize for size ${small-no}"
4702 echo "optimizations ${optimizations-no}"
4703 echo "static ${static-no}"
4704 echo "shared ${shared-no}"
4705 echo "postprocessing support ${postproc-no}"
4706 echo "new filter support ${avfilter-no}"
4707 echo "network support ${network-no}"
4708 echo "threading support ${thread_type-no}"
4709 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4710 echo "SDL support ${sdl-no}"
4711 echo "opencl enabled ${opencl-no}"
4712 echo "libzvbi enabled ${libzvbi-no}"
4713 echo "texi2html enabled ${texi2html-no}"
4714 echo "perl enabled ${perl-no}"
4715 echo "pod2man enabled ${pod2man-no}"
4716 echo "makeinfo enabled ${makeinfo-no}"
4717 test -n "$random_seed" &&
4718 echo "random seed ${random_seed}"
4721 echo "External libraries:"
4722 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4725 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4726 echo "Enabled ${type}s:"
4727 eval list=\$$(toupper $type)_LIST
4728 print_enabled '_*' $list | print_3_columns
4732 license="LGPL version 2.1 or later"
4733 if enabled nonfree; then
4734 license="nonfree and unredistributable"
4735 elif enabled gplv3; then
4736 license="GPL version 3 or later"
4737 elif enabled lgplv3; then
4738 license="LGPL version 3 or later"
4739 elif enabled gpl; then
4740 license="GPL version 2 or later"
4743 echo "License: $license"
4745 echo "Creating config.mak, config.h, and doc/config.texi..."
4747 test -e Makefile || $ln_s "$source_path/Makefile" .
4749 enabled stripping || strip="echo skipping strip"
4751 config_files="$TMPH config.mak doc/config.texi"
4753 cat > config.mak <<EOF
4754 # Automatically generated by configure - do not modify!
4755 ifndef FFMPEG_CONFIG_MAK
4757 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4759 LIBDIR=\$(DESTDIR)$libdir
4760 SHLIBDIR=\$(DESTDIR)$shlibdir
4761 INCDIR=\$(DESTDIR)$incdir
4762 BINDIR=\$(DESTDIR)$bindir
4763 DATADIR=\$(DESTDIR)$datadir
4764 DOCDIR=\$(DESTDIR)$docdir
4765 MANDIR=\$(DESTDIR)$mandir
4766 SRC_PATH=$source_path
4767 ifndef MAIN_MAKEFILE
4768 SRC_PATH:=\$(SRC_PATH:.%=..%)
4777 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4779 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4805 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4806 YASMFLAGS=$YASMFLAGS
4807 BUILDSUF=$build_suffix
4808 PROGSSUF=$progs_suffix
4816 EXTRA_VERSION=$extra_version
4819 CCDEP_FLAGS=$CCDEP_FLAGS
4821 ASDEP_FLAGS=$ASDEP_FLAGS
4822 CC_DEPFLAGS=$CC_DEPFLAGS
4823 AS_DEPFLAGS=$AS_DEPFLAGS
4826 HOSTCFLAGS=$host_cflags
4827 HOSTCPPFLAGS=$host_cppflags
4828 HOSTEXESUF=$HOSTEXESUF
4829 HOSTLDFLAGS=$host_ldflags
4832 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4833 HOSTCCDEP=$HOSTCCDEP
4834 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4835 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4839 TARGET_EXEC=$target_exec $target_exec_args
4840 TARGET_PATH=$target_path
4841 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
4842 LIBS-ffplay=$sdl_libs
4843 CFLAGS-ffplay=$sdl_cflags
4844 ZLIB=$($ldflags_filter -lz)
4845 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4846 EXTRALIBS=$extralibs
4847 COMPAT_OBJS=$compat_objs
4850 LIBTARGET=${LIBTARGET}
4851 SLIBNAME=${SLIBNAME}
4852 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4853 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4854 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4855 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4856 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4857 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4858 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4859 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4860 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4861 NOREDZONE_FLAGS=$noredzone_flags
4866 name=$(toupper $lcname)
4867 file=$source_path/$lcname/version.h
4868 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4869 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4870 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4871 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4872 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4875 map 'get_version $v' $LIBRARY_LIST
4878 /* Automatically generated by configure - do not modify! */
4879 #ifndef FFMPEG_CONFIG_H
4880 #define FFMPEG_CONFIG_H
4881 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4882 #define FFMPEG_LICENSE "$(c_escape $license)"
4883 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4884 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4885 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4886 #define av_restrict $_restrict
4887 #define EXTERN_PREFIX "${extern_prefix}"
4888 #define EXTERN_ASM ${extern_prefix}
4889 #define SLIBSUF "$SLIBSUF"
4890 #define HAVE_MMX2 HAVE_MMXEXT
4893 test -n "$assert_level" &&
4894 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4896 test -n "$malloc_prefix" &&
4897 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4899 if enabled yasm; then
4900 append config_files $TMPASM
4904 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
4908 echo "@c auto-generated by configure" > doc/config.texi
4910 print_config ARCH_ "$config_files" $ARCH_LIST
4911 print_config HAVE_ "$config_files" $HAVE_LIST
4912 print_config CONFIG_ "$config_files" $CONFIG_LIST \
4916 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4917 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4919 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4920 cp_if_changed $TMPH config.h
4923 enabled yasm && cp_if_changed $TMPASM config.asm
4926 /* Generated by ffconf */
4927 #ifndef AVUTIL_AVCONFIG_H
4928 #define AVUTIL_AVCONFIG_H
4931 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4933 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4935 cp_if_changed $TMPH libavutil/avconfig.h
4937 if test -n "$WARNINGS"; then
4938 printf "\n$WARNINGS"
4939 enabled fatal_warnings && exit 1
4942 # build pkg-config files
4944 pkgconfig_generate(){
4946 shortname=${name#lib}${build_suffix}
4951 enabled ${name#lib} || return 0
4953 cat <<EOF > $name/$name${build_suffix}.pc
4955 exec_prefix=\${prefix}
4960 Description: $comment
4962 Requires: $(enabled shared || echo $requires)
4963 Requires.private: $(enabled shared && echo $requires)
4965 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4966 Libs.private: $(enabled shared && echo $libs)
4967 Cflags: -I\${includedir}
4970 mkdir -p doc/examples/pc-uninstalled
4971 includedir=${source_path}
4972 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4973 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4976 libdir=\${pcfiledir}/../../../$name
4977 includedir=${includedir}
4980 Description: $comment
4984 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
4985 Cflags: -I\${includedir}
4989 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4990 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
4991 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
4992 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
4993 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
4994 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
4995 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
4996 lavfi_libs=${lavfi_libs%, }
4998 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
4999 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
5001 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5002 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5003 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
5004 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
5005 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
5006 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5007 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5008 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5009 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5011 fix_ffmpeg_remote(){
5014 fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
5015 if [ "$fixme_remote" != "" ]; then
5017 Outdated domain in git config, the official domain for ffmpeg git is since
5018 November 2011, source.ffmpeg.org, both the old and the new point to the same
5019 repository and server. To update it enter the following commands:
5021 for remote in $fixme_remote; do
5022 echolog "git remote set-url $remote $git_remote_to"
5027 if test -f "$source_path/.git/config"; then
5028 remote_from=git.videolan.org
5029 remote_to=source.ffmpeg.org
5030 fix_ffmpeg_remote git@$remote_from:ffmpeg git@$remote_to:ffmpeg
5031 fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg