3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
98 Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
105 --disable-all disable building components, libraries and programs
106 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
107 --enable-incompatible-fork-abi enable incompatible Libav fork ABI (deprecated) [no]
110 --disable-programs do not build command line programs
111 --disable-ffmpeg disable ffmpeg build
112 --disable-ffplay disable ffplay build
113 --disable-ffprobe disable ffprobe build
114 --disable-ffserver disable ffserver build
116 Documentation options:
117 --disable-doc do not build documentation
118 --disable-htmlpages do not build HTML documentation pages
119 --disable-manpages do not build man documentation pages
120 --disable-podpages do not build POD documentation pages
121 --disable-txtpages do not build text documentation pages
124 --disable-avdevice disable libavdevice build
125 --disable-avcodec disable libavcodec build
126 --disable-avformat disable libavformat build
127 --disable-avutil disable libavutil build
128 --disable-swresample disable libswresample build
129 --disable-swscale disable libswscale build
130 --disable-postproc disable libpostproc build
131 --disable-avfilter disable libavfilter build
132 --enable-avresample enable libavresample build [no]
133 --disable-pthreads disable pthreads [auto]
134 --disable-w32threads disable Win32 threads [auto]
135 --disable-os2threads disable OS/2 threads [auto]
136 --disable-network disable network support [no]
137 --disable-dct disable DCT code
138 --disable-dwt disable DWT code
139 --disable-error-resilience disable error resilience code
140 --disable-lsp disable LSP code
141 --disable-lzo disable LZO decoder code
142 --disable-mdct disable MDCT code
143 --disable-rdft disable RDFT code
144 --disable-fft disable FFT code
146 Hardware accelerators:
147 --disable-dxva2 disable DXVA2 code [autodetect]
148 --disable-vaapi disable VAAPI code [autodetect]
149 --enable-vda enable VDA code
150 --disable-vdpau disable VDPAU code [autodetect]
152 Individual component options:
153 --disable-everything disable all components listed below
154 --disable-encoder=NAME disable encoder NAME
155 --enable-encoder=NAME enable encoder NAME
156 --disable-encoders disable all encoders
157 --disable-decoder=NAME disable decoder NAME
158 --enable-decoder=NAME enable decoder NAME
159 --disable-decoders disable all decoders
160 --disable-hwaccel=NAME disable hwaccel NAME
161 --enable-hwaccel=NAME enable hwaccel NAME
162 --disable-hwaccels disable all hwaccels
163 --disable-muxer=NAME disable muxer NAME
164 --enable-muxer=NAME enable muxer NAME
165 --disable-muxers disable all muxers
166 --disable-demuxer=NAME disable demuxer NAME
167 --enable-demuxer=NAME enable demuxer NAME
168 --disable-demuxers disable all demuxers
169 --enable-parser=NAME enable parser NAME
170 --disable-parser=NAME disable parser NAME
171 --disable-parsers disable all parsers
172 --enable-bsf=NAME enable bitstream filter NAME
173 --disable-bsf=NAME disable bitstream filter NAME
174 --disable-bsfs disable all bitstream filters
175 --enable-protocol=NAME enable protocol NAME
176 --disable-protocol=NAME disable protocol NAME
177 --disable-protocols disable all protocols
178 --enable-indev=NAME enable input device NAME
179 --disable-indev=NAME disable input device NAME
180 --disable-indevs disable input devices
181 --enable-outdev=NAME enable output device NAME
182 --disable-outdev=NAME disable output device NAME
183 --disable-outdevs disable output devices
184 --disable-devices disable all devices
185 --enable-filter=NAME enable filter NAME
186 --disable-filter=NAME disable filter NAME
187 --disable-filters disable all filters
189 External library support:
190 --enable-avisynth enable reading of AviSynth script files [no]
191 --disable-bzlib disable bzlib [autodetect]
192 --enable-fontconfig enable fontconfig
193 --enable-frei0r enable frei0r video filtering
194 --enable-gnutls enable gnutls [no]
195 --disable-iconv disable iconv [autodetect]
196 --enable-ladspa enable LADSPA audio filtering
197 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
198 --enable-libass enable libass subtitles rendering [no]
199 --enable-libbluray enable BluRay reading using libbluray [no]
200 --enable-libcaca enable textual display using libcaca
201 --enable-libcelt enable CELT decoding via libcelt [no]
202 --enable-libcdio enable audio CD grabbing with libcdio
203 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
205 --enable-libfaac enable AAC encoding via libfaac [no]
206 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
207 --enable-libflite enable flite (voice synthesis) support via libflite [no]
208 --enable-libfreetype enable libfreetype [no]
209 --enable-libgme enable Game Music Emu via libgme [no]
210 --enable-libgsm enable GSM de/encoding via libgsm [no]
211 --enable-libiec61883 enable iec61883 via libiec61883 [no]
212 --enable-libilbc enable iLBC de/encoding via libilbc [no]
213 --enable-libmodplug enable ModPlug via libmodplug [no]
214 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
215 --enable-libnut enable NUT (de)muxing via libnut,
216 native (de)muxer exists [no]
217 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
218 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
219 --enable-libopencv enable video filtering via libopencv [no]
220 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
221 --enable-libopus enable Opus decoding via libopus [no]
222 --enable-libpulse enable Pulseaudio input via libpulse [no]
223 --enable-libquvi enable quvi input via libquvi [no]
224 --enable-librtmp enable RTMP[E] support via librtmp [no]
225 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
226 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
227 --enable-libsoxr enable Include libsoxr resampling [no]
228 --enable-libspeex enable Speex de/encoding via libspeex [no]
229 --enable-libssh enable SFTP protocol via libssh [no]
230 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
231 --enable-libtheora enable Theora encoding via libtheora [no]
232 --enable-libtwolame enable MP2 encoding via libtwolame [no]
233 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
234 --enable-libv4l2 enable libv4l2/v4l-utils [no]
235 --enable-libvidstab enable video stabilization using vid.stab [no]
236 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
237 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
238 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
239 native implementation exists [no]
240 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
241 --enable-libwavpack enable wavpack encoding via libwavpack [no]
242 --enable-libx264 enable H.264 encoding via x264 [no]
243 --enable-libxavs enable AVS encoding via xavs [no]
244 --enable-libxvid enable Xvid encoding via xvidcore,
245 native MPEG-4/Xvid encoder exists [no]
246 --enable-libzmq enable message passing via libzmq [no]
247 --enable-libzvbi enable teletext support via libzvbi [no]
248 --enable-openal enable OpenAL 1.1 capture support [no]
249 --enable-opencl enable OpenCL code
250 --enable-openssl enable openssl [no]
251 --enable-x11grab enable X11 grabbing [no]
252 --disable-zlib disable zlib [autodetect]
254 Advanced options (experts only):
255 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
256 --enable-cross-compile assume a cross-compiler is used
257 --sysroot=PATH root of cross-build tree
258 --sysinclude=PATH location of cross-build system headers
259 --target-os=OS compiler targets OS [$target_os]
260 --target-exec=CMD command to run executables on target
261 --target-path=DIR path to view of build directory on target
262 --target-samples=DIR path to samples directory on target
263 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
264 --toolchain=NAME set tool defaults according to NAME
265 --nm=NM use nm tool NM [$nm_default]
266 --ar=AR use archive tool AR [$ar_default]
267 --as=AS use assembler AS [$as_default]
268 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
269 --cc=CC use C compiler CC [$cc_default]
270 --cxx=CXX use C compiler CXX [$cxx_default]
271 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
272 --ld=LD use linker LD [$ld_default]
273 --host-cc=HOSTCC use host C compiler HOSTCC
274 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
275 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
276 --host-ld=HOSTLD use host linker HOSTLD
277 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
278 --host-libs=HLIBS use libs HLIBS when linking for host
279 --host-os=OS compiler host OS [$target_os]
280 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
281 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
282 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
283 --extra-libs=ELIBS add ELIBS [$ELIBS]
284 --extra-version=STRING version string suffix []
285 --optflags=OPTFLAGS override optimization-related compiler flags
286 --build-suffix=SUFFIX library name suffix []
287 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
288 --progs-suffix=SUFFIX program name suffix []
289 --arch=ARCH select architecture [$arch]
290 --cpu=CPU select the minimum required CPU (affects
291 instruction selection, may crash on older CPUs)
292 --enable-pic build position-independent code
293 --enable-sram allow use of on-chip SRAM
294 --enable-thumb compile for Thumb instruction set
295 --disable-symver disable symbol versioning
296 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
297 --disable-safe-bitstream-reader
298 disable buffer boundary checking in bitreaders
299 (faster, but may crash)
300 --enable-memalign-hack emulate memalign, interferes with memory debuggers
301 --enable-lto use link-time optimization
303 Optimization options (experts only):
304 --disable-asm disable all assembler optimizations
305 --disable-altivec disable AltiVec optimizations
306 --disable-amd3dnow disable 3DNow! optimizations
307 --disable-amd3dnowext disable 3DNow! extended optimizations
308 --disable-mmx disable MMX optimizations
309 --disable-mmxext disable MMXEXT optimizations
310 --disable-sse disable SSE optimizations
311 --disable-sse2 disable SSE2 optimizations
312 --disable-sse3 disable SSE3 optimizations
313 --disable-ssse3 disable SSSE3 optimizations
314 --disable-sse4 disable SSE4 optimizations
315 --disable-sse42 disable SSE4.2 optimizations
316 --disable-avx disable AVX optimizations
317 --disable-fma4 disable FMA4 optimizations
318 --disable-avx2 disable AVX2 optimizations
319 --disable-armv5te disable armv5te optimizations
320 --disable-armv6 disable armv6 optimizations
321 --disable-armv6t2 disable armv6t2 optimizations
322 --disable-vfp disable VFP optimizations
323 --disable-neon disable NEON optimizations
324 --disable-vis disable VIS optimizations
325 --disable-inline-asm disable use of inline assembler
326 --disable-yasm disable use of yasm assembler
327 --disable-mips32r2 disable MIPS32R2 optimizations
328 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
329 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
330 --disable-mipsfpu disable floating point MIPS optimizations
331 --disable-fast-unaligned consider unaligned accesses slow
333 Developer options (useful when working on FFmpeg itself):
334 --disable-debug disable debugging symbols
335 --enable-debug=LEVEL set the debug level [$debuglevel]
336 --disable-optimizations disable compiler optimizations
337 --enable-extra-warnings enable more compiler warnings
338 --disable-stripping disable stripping of executables and shared libraries
339 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
340 2 causes a slowdown at runtime.
341 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
342 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
343 leaks and errors, using the specified valgrind binary.
344 Cannot be combined with --target-exec
345 --enable-ftrapv Trap arithmetic overflows
346 --samples=PATH location of test samples for FATE, if not set use
347 \$FATE_SAMPLES at make invocation time.
348 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
349 should be used only for debugging purposes)
350 --enable-random randomly enable/disable components
352 --enable-random=LIST randomly enable/disable specific components or
353 --disable-random=LIST component groups. LIST is a comma-separated list
354 of NAME[:PROB] entries where NAME is a component
355 (group) and PROB the probability associated with
357 --random-seed=VALUE seed value for --enable/disable-random
359 NOTE: Object files are built at the place where configure is launched.
367 echo "$@" >> $logfile
372 pr -n -t $1 >> $logfile
383 WARNINGS="${WARNINGS}WARNING: $*\n"
390 If you think configure made a mistake, make sure you are using the latest
391 version from Git. If the latest version fails, report the problem to the
392 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
394 if disabled logging; then
396 Rerun configure with logging enabled (do not use --disable-logging), and
397 include the log this produces with your report.
401 Include the log file "$logfile" produced by configure as this will help
408 # Avoid locale weirdness, besides we really just want to translate ASCII.
410 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
414 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
418 echo "$*" | sed 's/["\\]/\\\0/g'
422 v=$(echo "$1" | sed "s/'/'\\\\''/g")
423 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
428 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
435 eval "case $v in $pat) echo $v ;; esac"
443 eval "case $v in $pat) ;; *) echo $v ;; esac"
450 for v; do eval $m; done
456 for v; do echo ${v}${suffix}; done
471 eval : \${$var:=$value}
476 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
482 eval $(sanitize_var_name "$var")='$*'
486 eval echo \$$(sanitize_var_name "$1")
491 eval level=\${${pvar}_level:=0}
492 eval ${pvar}_${level}="\$$pvar"
493 eval ${pvar}_level=$(($level+1))
499 eval level=\${${pvar}_level:-0}
500 test $level = 0 && continue
501 eval level=$(($level-1))
502 eval $pvar="\${${pvar}_${level}}"
503 eval ${pvar}_level=$level
504 eval unset ${pvar}_${level}
526 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
532 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
538 enabled $var && continue
539 eval sel="\$${var}_select"
540 eval sgs="\$${var}_suggest"
544 enable_deep_weak $sgs
556 disabled $var && continue
565 test "${1#!}" = "$1" && op== || op=!=
566 eval test "x\$${1#!}" $op "xyes"
570 test "${1#!}" = "$1" && op== || op=!=
571 eval test "x\$${1#!}" $op "xno"
576 enabled $opt || return 1
582 disabled $opt || return 1
588 enabled $opt && return 0
594 disabled $opt && return 0
601 eval : \${$opt:=\$${opt}_default}
609 [ $var = $value ] && return 0
617 enabled ${cfg}_checking && die "Circular dependency for $cfg."
618 disabled ${cfg}_checking && continue
619 enable ${cfg}_checking
622 eval dep_all="\$${cfg}_deps"
623 eval dep_any="\$${cfg}_deps_any"
624 eval dep_sel="\$${cfg}_select"
625 eval dep_sgs="\$${cfg}_suggest"
626 eval dep_ifa="\$${cfg}_if"
627 eval dep_ifn="\$${cfg}_if_any"
629 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
630 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
631 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
633 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
634 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
635 enabled_all $dep_all || disable $cfg
636 enabled_any $dep_any || disable $cfg
637 disabled_any $dep_sel && disable $cfg
639 if enabled $cfg; then
641 enable_deep_weak $dep_sgs
644 disable ${cfg}_checking
653 for cfg in $allopts; do
654 enabled $cfg || continue
655 eval dep_extralibs="\$${cfg}_extralibs"
656 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
664 map 'eval echo "$v \${$v:-no}"' "$@" |
665 awk "BEGIN { split(\"$files\", files) }
667 c = \"$pfx\" toupper(\$1);
673 if (file ~ /\\.h\$/) {
674 printf(\"#define %s %d\\n\", c, v) >>file;
675 } else if (file ~ /\\.asm\$/) {
676 printf(\"%%define %s %d\\n\", c, v) >>file;
677 } else if (file ~ /\\.mak\$/) {
678 n = -v ? \"\" : \"!\";
679 printf(\"%s%s=yes\\n\", n, c) >>file;
680 } else if (file ~ /\\.texi\$/) {
681 pre = -v ? \"\" : \"@c \";
684 gsub(/_/, \"-\", c2);
685 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
695 enabled $v && printf "%s\n" ${v%$suf};
702 eval "$var=\"\$$var $*\""
708 eval "$var=\"$* \$$var\""
716 append CFLAGS $($cflags_filter "$@")
720 append CXXFLAGS $($cflags_filter "$@")
724 append ASFLAGS $($asflags_filter "$@")
728 append LDFLAGS $($ldflags_filter "$@")
732 prepend extralibs $($ldflags_filter "$@")
736 append host_cppflags "$@"
740 append host_cflags $($host_cflags_filter "$@")
744 append host_ldflags $($host_ldflags_filter "$@")
748 append compat_objs $1
750 map 'add_cppflags -D$v' "$@"
755 "$@" >> $logfile 2>&1
759 eval printf '%s\\n' $CC_O
763 eval printf '%s\\n' $CC_E
770 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
777 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
784 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
788 eval printf '%s\\n' $AS_O
795 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
799 log check_inline_asm "$@"
804 check_cc "$@" <<EOF && enable $name
805 void foo(void){ __asm__ volatile($code); }
811 check_inline_asm ${1}_inline "\"$2\""
812 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
820 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
824 eval printf '%s\\n' $LD_O
831 flags=$(filter_out '-l*|*.so' $@)
832 libs=$(filter '-l*|*.so' $@)
833 check_$type $($cflags_filter $flags) || return
834 flags=$($ldflags_filter $flags)
835 libs=$($ldflags_filter $libs)
836 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
846 for hdr in $headers; do
847 echo "#include <$hdr>"
849 echo "int main(void) { $code; return 0; }"
850 } | check_$check "$@"
854 log check_cppflags "$@"
855 check_cc "$@" <<EOF && append CPPFLAGS "$@"
861 log check_cflags "$@"
862 set -- $($cflags_filter "$@")
863 check_cc "$@" <<EOF && append CFLAGS "$@"
869 log check_cxxflags "$@"
870 set -- $($cflags_filter "$@")
871 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
877 log test_ldflags "$@"
878 check_ld "cc" "$@" <<EOF
879 int main(void){ return 0; }
884 log check_ldflags "$@"
885 test_ldflags "$@" && add_ldflags "$@"
889 log check_header "$@"
893 check_cpp "$@" <<EOF && enable_safe $header
904 check_ld "cc" "$@" <<EOF && enable $func
906 int main(void){ $func(); }
911 log check_mathfunc "$@"
915 test $narg = 2 && args="f, g" || args="f"
917 check_ld "cc" "$@" <<EOF && enable $func
919 float foo(float f, float g) { return $func($args); }
920 int main(void){ return (int) foo; }
924 check_func_headers(){
925 log check_func_headers "$@"
930 for hdr in $headers; do
931 echo "#include <$hdr>"
933 for func in $funcs; do
934 echo "long check_$func(void) { return (long) $func; }"
936 echo "int main(void) { return 0; }"
937 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
940 check_class_headers_cpp(){
941 log check_class_headers_cpp "$@"
946 for hdr in $headers; do
947 echo "#include <$hdr>"
949 echo "int main(void) { "
951 for class in $classes; do
956 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
959 check_cpp_condition(){
960 log check_cpp_condition "$@"
967 #error "unsatisfied condition: $condition"
977 check_header $header && check_func $func "$@" && add_extralibs "$@"
985 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
989 log check_lib_cpp "$@"
993 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
997 log check_pkg_config "$@"
1002 check_cmd $pkg_config --exists --print-errors $pkg || return
1003 pkg_cflags=$($pkg_config --cflags $pkg)
1004 pkg_libs=$($pkg_config --libs $pkg)
1005 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1006 set_safe ${pkg}_cflags $pkg_cflags &&
1007 set_safe ${pkg}_libs $pkg_libs
1011 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1017 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1018 # are safe but may not be available everywhere. Thus we use
1019 # raise(SIGTERM) instead. The check is run in a subshell so we
1020 # can redirect the "Terminated" message from the shell. SIGBUS
1021 # is not defined by standard C so it is used conditionally.
1023 (check_exec "$@") >> $logfile 2>&1 <<EOF
1025 static void sighandler(int sig){
1031 int (*func_ptr)(void) = foo;
1033 signal(SIGILL, sighandler);
1034 signal(SIGFPE, sighandler);
1035 signal(SIGSEGV, sighandler);
1037 signal(SIGBUS, sighandler);
1049 disable_safe "$type"
1050 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1054 log check_struct "$@"
1059 disable_safe "${struct}_${member}"
1060 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1061 enable_safe "${struct}_${member}"
1065 log check_builtin "$@"
1071 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1079 check_lib $header $func "$@" || die "ERROR: $name not found"
1087 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1095 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1098 require_pkg_config(){
1100 check_pkg_config "$@" || die "ERROR: $pkg not found"
1101 add_cflags $(get_safe ${pkg}_cflags)
1102 add_extralibs $(get_safe ${pkg}_libs)
1106 eval printf '%s\\n' $HOSTCC_O
1110 log check_host_cc "$@"
1113 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1116 check_host_cppflags(){
1117 log check_host_cppflags "$@"
1118 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1123 check_host_cflags(){
1124 log check_host_cflags "$@"
1125 set -- $($host_cflags_filter "$@")
1126 check_host_cc "$@" <<EOF && append host_cflags "$@"
1134 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1138 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1139 mkdir -p "$(dirname $2)"
1143 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1144 # system-dependent things.
1160 EXTERNAL_LIBRARY_LIST="
1260 $EXTERNAL_LIBRARY_LIST
1273 incompatible_libav_abi
1274 incompatible_fork_abi
1285 safe_bitstream_reader
1382 incompatible_libav_abi
1383 incompatible_fork_abi
1416 $(add_suffix _external $ARCH_EXT_LIST)
1417 $(add_suffix _inline $ARCH_EXT_LIST)
1437 cdio_paranoia_paranoia_h
1445 dev_bktr_ioctl_bt848_h
1446 dev_bktr_ioctl_meteor_h
1448 dev_video_bktr_ioctl_bt848_h
1449 dev_video_meteor_ioctl_meteor_h
1465 GetProcessAffinityMask
1466 GetProcessMemoryInfo
1468 GetSystemTimeAsFileTime
1480 jack_port_get_latency_range
1490 machine_ioctl_bt848_h
1491 machine_ioctl_meteor_h
1504 openjpeg_1_5_openjpeg_h
1517 SetConsoleTextAttribute
1526 struct_group_source_req
1527 struct_ip_mreq_source
1530 struct_rusage_ru_maxrss
1531 struct_sctp_event_subscribe
1533 struct_sockaddr_sa_len
1534 struct_sockaddr_storage
1535 struct_stat_st_mtim_tv_nsec
1536 struct_v4l2_frmivalenum_discrete
1539 sync_val_compare_and_swap
1563 # options emitted with CONFIG_ prefix but not available on the command line
1570 frame_thread_encoder
1671 # code dependency declarations
1673 # architecture extensions
1682 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1685 mips32r2_deps="mips"
1686 mipsdspr1_deps="mips"
1687 mipsdspr2_deps="mips"
1695 x86_64_select="i686"
1696 x86_64_suggest="fast_cmov"
1699 amd3dnowext_deps="amd3dnow"
1712 mmx_external_deps="yasm"
1713 mmx_inline_deps="inline_asm"
1714 mmx_suggest="mmx_external mmx_inline"
1716 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1717 eval dep=\$${ext}_deps
1718 eval ${ext}_external_deps='"${dep}_external"'
1719 eval ${ext}_inline_deps='"${dep}_inline"'
1720 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1723 aligned_stack_if_any="ppc x86"
1724 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1725 fast_clz_if_any="alpha avr32 mips ppc x86"
1726 fast_unaligned_if_any="ppc x86"
1728 inline_asm_deps="!tms470"
1729 need_memalign="altivec neon sse"
1731 symver_if_any="symver_asm_label symver_gnu_asm"
1737 error_resilience_select="dsputil"
1738 frame_thread_encoder_deps="encoders threads"
1739 lpc_select="dsputil"
1742 mpegaudio_select="mpegaudiodsp"
1743 mpegaudiodsp_select="dct"
1744 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1745 mpegvideoenc_select="mpegvideo"
1747 # decoders / encoders
1748 aac_decoder_select="mdct sinewin"
1749 aac_encoder_select="audio_frame_queue mdct sinewin"
1750 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1751 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1752 ac3_encoder_select="mdct ac3dsp dsputil"
1753 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1754 aic_decoder_select="dsputil golomb"
1755 alac_encoder_select="lpc"
1756 als_decoder_select="dsputil"
1757 amrnb_decoder_select="lsp"
1758 amrwb_decoder_select="lsp"
1759 amv_decoder_select="dsputil hpeldsp exif"
1760 amv_encoder_select="aandcttables"
1761 ape_decoder_select="dsputil"
1762 asv1_decoder_select="dsputil"
1763 asv1_encoder_select="dsputil"
1764 asv2_decoder_select="dsputil"
1765 asv2_encoder_select="dsputil"
1766 atrac1_decoder_select="mdct sinewin"
1767 atrac3_decoder_select="mdct"
1768 avrn_decoder_select="exif"
1769 bink_decoder_select="dsputil hpeldsp"
1770 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1771 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1772 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1773 cllc_decoder_select="dsputil"
1774 comfortnoise_encoder_select="lpc"
1775 cook_decoder_select="dsputil mdct sinewin"
1776 cscd_decoder_select="lzo"
1777 cscd_decoder_suggest="zlib"
1778 dca_decoder_select="mdct"
1779 dirac_decoder_select="dsputil dwt golomb videodsp"
1780 dnxhd_decoder_select="dsputil"
1781 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1782 dvvideo_decoder_select="dsputil"
1783 dvvideo_encoder_select="dsputil"
1784 dxa_decoder_select="zlib"
1785 eac3_decoder_select="ac3_decoder"
1786 eac3_encoder_select="ac3_encoder"
1787 eamad_decoder_select="aandcttables dsputil mpegvideo"
1788 eatgq_decoder_select="aandcttables"
1789 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1790 exr_decoder_select="zlib"
1791 ffv1_decoder_select="dsputil golomb rangecoder"
1792 ffv1_encoder_select="dsputil rangecoder"
1793 ffvhuff_decoder_select="dsputil"
1794 ffvhuff_encoder_select="dsputil huffman"
1795 flac_decoder_select="golomb"
1796 flac_encoder_select="dsputil golomb lpc"
1797 flashsv_decoder_select="zlib"
1798 flashsv_encoder_select="zlib"
1799 flashsv2_encoder_select="zlib"
1800 flashsv2_decoder_select="zlib"
1801 flv_decoder_select="h263_decoder"
1802 flv_encoder_select="h263_encoder"
1803 fourxm_decoder_select="dsputil"
1804 fraps_decoder_select="dsputil huffman"
1805 g2m_decoder_select="dsputil zlib"
1806 g729_decoder_select="dsputil"
1807 h261_decoder_select="error_resilience mpegvideo"
1808 h261_encoder_select="aandcttables mpegvideoenc"
1809 h263_decoder_select="error_resilience h263_parser mpegvideo"
1810 h263_encoder_select="aandcttables mpegvideoenc"
1811 h263i_decoder_select="h263_decoder"
1812 h263p_encoder_select="h263_encoder"
1813 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1814 h264_decoder_suggest="error_resilience"
1815 hevc_decoder_select="dsputil golomb videodsp"
1816 huffyuv_decoder_select="dsputil"
1817 huffyuv_encoder_select="dsputil huffman"
1818 iac_decoder_select="dsputil fft mdct sinewin"
1819 imc_decoder_select="dsputil fft mdct sinewin"
1820 indeo3_decoder_select="hpeldsp"
1821 interplay_video_decoder_select="hpeldsp"
1822 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1823 jpegls_encoder_select="golomb"
1824 jv_decoder_select="dsputil"
1825 lagarith_decoder_select="dsputil"
1826 ljpeg_encoder_select="aandcttables mpegvideoenc"
1827 loco_decoder_select="golomb"
1828 mdec_decoder_select="dsputil error_resilience mpegvideo"
1829 metasound_decoder_select="lsp mdct sinewin"
1830 mimic_decoder_select="dsputil hpeldsp"
1831 mjpeg_decoder_select="dsputil hpeldsp exif"
1832 mjpegb_decoder_select="dsputil hpeldsp exif"
1833 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1834 mlp_decoder_select="dsputil mlp_parser"
1835 motionpixels_decoder_select="dsputil"
1836 mp1_decoder_select="mpegaudio"
1837 mp1float_decoder_select="mpegaudio"
1838 mp2_decoder_select="mpegaudio"
1839 mp2float_decoder_select="mpegaudio"
1840 mp3_decoder_select="mpegaudio"
1841 mp3adu_decoder_select="mpegaudio"
1842 mp3adufloat_decoder_select="mpegaudio"
1843 mp3float_decoder_select="mpegaudio"
1844 mp3on4_decoder_select="mpegaudio"
1845 mp3on4float_decoder_select="mpegaudio"
1846 mpc7_decoder_select="dsputil mpegaudiodsp"
1847 mpc8_decoder_select="dsputil mpegaudiodsp"
1848 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1849 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1850 mpeg1video_decoder_select="error_resilience mpegvideo"
1851 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1852 mpeg2video_decoder_select="error_resilience mpegvideo"
1853 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1854 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1855 mpeg4_encoder_select="h263_encoder"
1856 msmpeg4v1_decoder_select="h263_decoder"
1857 msmpeg4v2_decoder_select="h263_decoder"
1858 msmpeg4v2_encoder_select="h263_encoder"
1859 msmpeg4v3_decoder_select="h263_decoder"
1860 msmpeg4v3_encoder_select="h263_encoder"
1861 mss2_decoder_select="error_resilience vc1_decoder"
1862 mxpeg_decoder_select="dsputil hpeldsp exif"
1863 nellymoser_decoder_select="mdct sinewin"
1864 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1865 nuv_decoder_select="dsputil lzo"
1866 png_decoder_select="zlib"
1867 png_encoder_select="dsputil zlib"
1868 prores_decoder_select="dsputil"
1869 prores_encoder_select="dsputil"
1870 qcelp_decoder_select="lsp"
1871 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1872 ra_144_encoder_select="audio_frame_queue lpc"
1873 ralf_decoder_select="golomb"
1874 rtjpeg_decoder_select="dsputil"
1875 rv10_decoder_select="error_resilience h263_decoder"
1876 rv10_encoder_select="h263_encoder"
1877 rv20_decoder_select="error_resilience h263_decoder"
1878 rv20_encoder_select="h263_encoder"
1879 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1880 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1881 shorten_decoder_select="golomb"
1882 sipr_decoder_select="lsp"
1883 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1884 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1885 sonic_decoder_select="golomb"
1886 sonic_encoder_select="golomb"
1887 sonic_ls_encoder_select="golomb"
1888 sp5x_decoder_select="dsputil hpeldsp exif"
1889 svq1_decoder_select="hpeldsp"
1890 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1891 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1892 svq3_decoder_suggest="error_resilience zlib"
1893 tak_decoder_select="dsputil"
1894 theora_decoder_select="vp3_decoder"
1895 tiff_decoder_suggest="zlib"
1896 tiff_encoder_suggest="zlib"
1897 thp_decoder_select="dsputil hpeldsp exif"
1898 truehd_decoder_select="mlp_parser"
1899 truemotion2_decoder_select="dsputil"
1900 truespeech_decoder_select="dsputil"
1901 tscc_decoder_select="zlib"
1902 twinvq_decoder_select="mdct lsp sinewin"
1903 utvideo_decoder_select="dsputil"
1904 utvideo_encoder_select="dsputil huffman"
1905 vble_decoder_select="dsputil"
1906 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1907 vc1image_decoder_select="vc1_decoder"
1908 vorbis_decoder_select="mdct"
1909 vorbis_encoder_select="mdct"
1910 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1911 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1912 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1913 vp6a_decoder_select="vp6_decoder"
1914 vp6f_decoder_select="vp6_decoder"
1915 vp8_decoder_select="h264pred videodsp"
1916 vp9_decoder_select="videodsp"
1917 webp_decoder_select="vp8_decoder"
1918 wmapro_decoder_select="mdct sinewin"
1919 wmav1_decoder_select="mdct sinewin"
1920 wmav1_encoder_select="mdct sinewin"
1921 wmav2_decoder_select="mdct sinewin"
1922 wmav2_encoder_select="mdct sinewin"
1923 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1924 wmv1_decoder_select="h263_decoder"
1925 wmv1_encoder_select="h263_encoder"
1926 wmv2_decoder_select="h263_decoder videodsp"
1927 wmv2_encoder_select="h263_encoder"
1928 wmv3_decoder_select="vc1_decoder"
1929 wmv3image_decoder_select="wmv3_decoder"
1930 zerocodec_decoder_select="zlib"
1931 zlib_decoder_select="zlib"
1932 zlib_encoder_select="zlib"
1933 zmbv_decoder_select="zlib"
1934 zmbv_encoder_select="zlib"
1936 # hardware accelerators
1937 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1938 dxva2_deps="dxva2api_h"
1939 vaapi_deps="va_va_h"
1940 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1941 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1942 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1944 h263_vaapi_hwaccel_deps="vaapi"
1945 h263_vaapi_hwaccel_select="h263_decoder"
1946 h263_vdpau_hwaccel_deps="vdpau"
1947 h263_vdpau_hwaccel_select="h263_decoder"
1948 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1949 h264_dxva2_hwaccel_deps="dxva2"
1950 h264_dxva2_hwaccel_select="h264_decoder"
1951 h264_vaapi_hwaccel_deps="vaapi"
1952 h264_vaapi_hwaccel_select="h264_decoder"
1953 h264_vda_decoder_deps="vda"
1954 h264_vda_decoder_select="h264_decoder"
1955 h264_vda_hwaccel_deps="vda"
1956 h264_vda_hwaccel_select="h264_decoder"
1957 h264_vdpau_decoder_deps="vdpau"
1958 h264_vdpau_decoder_select="h264_decoder"
1959 h264_vdpau_hwaccel_deps="vdpau"
1960 h264_vdpau_hwaccel_select="h264_decoder"
1961 mpeg_vdpau_decoder_deps="vdpau"
1962 mpeg_vdpau_decoder_select="mpeg2video_decoder"
1963 mpeg1_vdpau_decoder_deps="vdpau"
1964 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
1965 mpeg1_vdpau_hwaccel_deps="vdpau"
1966 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1967 mpeg2_crystalhd_decoder_select="crystalhd"
1968 mpeg2_dxva2_hwaccel_deps="dxva2"
1969 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1970 mpeg2_vaapi_hwaccel_deps="vaapi"
1971 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1972 mpeg2_vdpau_hwaccel_deps="vdpau"
1973 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1974 mpeg4_crystalhd_decoder_select="crystalhd"
1975 mpeg4_vaapi_hwaccel_deps="vaapi"
1976 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1977 mpeg4_vdpau_decoder_deps="vdpau"
1978 mpeg4_vdpau_decoder_select="mpeg4_decoder"
1979 mpeg4_vdpau_hwaccel_deps="vdpau"
1980 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1981 msmpeg4_crystalhd_decoder_select="crystalhd"
1982 vc1_crystalhd_decoder_select="crystalhd"
1983 vc1_dxva2_hwaccel_deps="dxva2"
1984 vc1_dxva2_hwaccel_select="vc1_decoder"
1985 vc1_vaapi_hwaccel_deps="vaapi"
1986 vc1_vaapi_hwaccel_select="vc1_decoder"
1987 vc1_vdpau_decoder_deps="vdpau"
1988 vc1_vdpau_decoder_select="vc1_decoder"
1989 vc1_vdpau_hwaccel_deps="vdpau"
1990 vc1_vdpau_hwaccel_select="vc1_decoder"
1991 wmv3_crystalhd_decoder_select="crystalhd"
1992 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1993 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1994 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1995 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
1998 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1999 mpeg4video_parser_select="error_resilience mpegvideo"
2000 mpegvideo_parser_select="error_resilience mpegvideo"
2001 vc1_parser_select="mpegvideo"
2003 # external libraries
2004 libaacplus_encoder_deps="libaacplus"
2005 libcelt_decoder_deps="libcelt"
2006 libfaac_encoder_deps="libfaac"
2007 libfaac_encoder_select="audio_frame_queue"
2008 libfdk_aac_decoder_deps="libfdk_aac"
2009 libfdk_aac_encoder_deps="libfdk_aac"
2010 libfdk_aac_encoder_select="audio_frame_queue"
2011 libgme_demuxer_deps="libgme"
2012 libgsm_decoder_deps="libgsm"
2013 libgsm_encoder_deps="libgsm"
2014 libgsm_ms_decoder_deps="libgsm"
2015 libgsm_ms_encoder_deps="libgsm"
2016 libilbc_decoder_deps="libilbc"
2017 libilbc_encoder_deps="libilbc"
2018 libmodplug_demuxer_deps="libmodplug"
2019 libmp3lame_encoder_deps="libmp3lame"
2020 libmp3lame_encoder_select="audio_frame_queue"
2021 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2022 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2023 libopencore_amrnb_encoder_select="audio_frame_queue"
2024 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2025 libopenjpeg_decoder_deps="libopenjpeg"
2026 libopenjpeg_encoder_deps="libopenjpeg"
2027 libopus_decoder_deps="libopus"
2028 libopus_encoder_deps="libopus"
2029 libopus_encoder_select="audio_frame_queue"
2030 libquvi_demuxer_deps="libquvi"
2031 libschroedinger_decoder_deps="libschroedinger"
2032 libschroedinger_encoder_deps="libschroedinger"
2033 libshine_encoder_deps="libshine"
2034 libshine_encoder_select="audio_frame_queue"
2035 libspeex_decoder_deps="libspeex"
2036 libspeex_encoder_deps="libspeex"
2037 libspeex_encoder_select="audio_frame_queue"
2038 libstagefright_h264_decoder_deps="libstagefright_h264"
2039 libtheora_encoder_deps="libtheora"
2040 libtwolame_encoder_deps="libtwolame"
2041 libvo_aacenc_encoder_deps="libvo_aacenc"
2042 libvo_aacenc_encoder_select="audio_frame_queue"
2043 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2044 libvorbis_decoder_deps="libvorbis"
2045 libvorbis_encoder_deps="libvorbis"
2046 libvorbis_encoder_select="audio_frame_queue"
2047 libvpx_vp8_decoder_deps="libvpx"
2048 libvpx_vp8_encoder_deps="libvpx"
2049 libvpx_vp9_decoder_deps="libvpx"
2050 libvpx_vp9_encoder_deps="libvpx"
2051 libwavpack_encoder_deps="libwavpack"
2052 libx264_encoder_deps="libx264"
2053 libx264rgb_encoder_deps="libx264"
2054 libxavs_encoder_deps="libxavs"
2055 libxvid_encoder_deps="libxvid"
2056 libutvideo_decoder_deps="libutvideo"
2057 libutvideo_encoder_deps="libutvideo"
2058 libzvbi_teletext_decoder_deps="libzvbi"
2061 ac3_demuxer_select="ac3_parser"
2062 asf_demuxer_select="riffdec"
2063 asf_muxer_select="riffenc"
2064 asf_stream_muxer_select="asf_muxer"
2065 avi_demuxer_select="riffdec"
2066 avi_muxer_select="riffenc"
2067 avisynth_demuxer_deps="avisynth"
2068 avisynth_demuxer_select="riffdec"
2069 caf_demuxer_select="riffdec"
2070 dirac_demuxer_select="dirac_parser"
2071 dts_demuxer_select="dca_parser"
2072 dtshd_demuxer_select="dca_parser"
2073 dxa_demuxer_select="riffdec"
2074 eac3_demuxer_select="ac3_parser"
2075 f4v_muxer_select="mov_muxer"
2076 flac_demuxer_select="flac_parser"
2077 hls_muxer_select="mpegts_muxer"
2078 ipod_muxer_select="mov_muxer"
2079 ismv_muxer_select="mov_muxer"
2080 libnut_demuxer_deps="libnut"
2081 libnut_muxer_deps="libnut"
2082 matroska_audio_muxer_select="matroska_muxer"
2083 matroska_demuxer_select="riffdec"
2084 matroska_demuxer_suggest="bzlib lzo zlib"
2085 matroska_muxer_select="riffenc"
2086 mmf_muxer_select="riffenc"
2087 mov_demuxer_select="riffdec"
2088 mov_demuxer_suggest="zlib"
2089 mov_muxer_select="riffenc rtpenc_chain"
2090 mp3_demuxer_select="mpegaudio_parser"
2091 mp4_muxer_select="mov_muxer"
2092 mpegts_muxer_select="adts_muxer latm_muxer"
2093 mpegtsraw_demuxer_select="mpegts_demuxer"
2094 mxf_d10_muxer_select="mxf_muxer"
2095 nut_muxer_select="riffenc"
2096 nuv_demuxer_select="riffdec"
2097 ogg_demuxer_select="golomb"
2098 psp_muxer_select="mov_muxer"
2099 rtp_demuxer_select="sdp_demuxer"
2100 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2101 rtsp_demuxer_select="http_protocol rtpdec"
2102 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2103 sap_demuxer_select="sdp_demuxer"
2104 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2105 sdp_demuxer_select="rtpdec"
2106 smoothstreaming_muxer_select="ismv_muxer"
2107 spdif_muxer_select="aac_parser"
2108 tak_demuxer_select="tak_parser"
2109 tg2_muxer_select="mov_muxer"
2110 tgp_muxer_select="mov_muxer"
2111 vobsub_demuxer_select="mpegps_demuxer"
2112 w64_demuxer_select="wav_demuxer"
2113 w64_muxer_select="wav_muxer"
2114 wav_demuxer_select="riffdec"
2115 wav_muxer_select="riffenc"
2116 webm_muxer_select="riffenc"
2117 wtv_demuxer_select="riffdec"
2118 xmv_demuxer_select="riffdec"
2119 xwma_demuxer_select="riffdec"
2122 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2123 alsa_outdev_deps="alsa_asoundlib_h"
2124 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2125 caca_outdev_deps="libcaca"
2126 dshow_indev_deps="IBaseFilter"
2127 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2128 dv1394_indev_deps="dv1394"
2129 dv1394_indev_select="dv_demuxer"
2130 fbdev_indev_deps="linux_fb_h"
2131 fbdev_outdev_deps="linux_fb_h"
2132 iec61883_indev_deps="libiec61883"
2133 jack_indev_deps="jack_jack_h sem_timedwait"
2134 lavfi_indev_deps="avfilter"
2135 libcdio_indev_deps="libcdio"
2136 libdc1394_indev_deps="libdc1394"
2137 libv4l2_indev_deps="libv4l2"
2138 openal_indev_deps="openal"
2139 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2140 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2141 pulse_indev_deps="libpulse"
2142 pulse_outdev_deps="libpulse"
2143 sdl_outdev_deps="sdl"
2144 sndio_indev_deps="sndio_h"
2145 sndio_outdev_deps="sndio_h"
2146 v4l_indev_deps="linux_videodev_h"
2147 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2148 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2149 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2150 vfwcap_indev_extralibs="-lavicap32"
2151 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2152 xv_outdev_extralibs="-lXv -lX11 -lXext"
2153 x11grab_indev_deps="x11grab"
2156 bluray_protocol_deps="libbluray"
2157 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2158 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2159 ffrtmpcrypt_protocol_select="tcp_protocol"
2160 ffrtmphttp_protocol_deps="!librtmp_protocol"
2161 ffrtmphttp_protocol_select="http_protocol"
2162 ftp_protocol_select="tcp_protocol"
2163 gopher_protocol_select="network"
2164 httpproxy_protocol_select="tcp_protocol"
2165 http_protocol_select="tcp_protocol"
2166 https_protocol_select="tls_protocol"
2167 librtmp_protocol_deps="librtmp"
2168 librtmpe_protocol_deps="librtmp"
2169 librtmps_protocol_deps="librtmp"
2170 librtmpt_protocol_deps="librtmp"
2171 librtmpte_protocol_deps="librtmp"
2172 libssh_protocol_deps="libssh"
2173 mmsh_protocol_select="http_protocol"
2174 mmst_protocol_select="network"
2175 rtmp_protocol_deps="!librtmp_protocol"
2176 rtmp_protocol_select="tcp_protocol"
2177 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2178 rtmps_protocol_deps="!librtmp_protocol"
2179 rtmps_protocol_select="tls_protocol"
2180 rtmpt_protocol_select="ffrtmphttp_protocol"
2181 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2182 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2183 rtp_protocol_select="udp_protocol"
2184 sctp_protocol_deps="struct_sctp_event_subscribe"
2185 sctp_protocol_select="network"
2186 srtp_protocol_select="rtp_protocol"
2187 tcp_protocol_select="network"
2188 tls_protocol_deps_any="openssl gnutls"
2189 tls_protocol_select="tcp_protocol"
2190 udp_protocol_select="network"
2191 unix_protocol_deps="sys_un_h"
2192 unix_protocol_select="network"
2195 aconvert_filter_deps="swresample"
2196 amovie_filter_deps="avcodec avformat"
2197 aresample_filter_deps="swresample"
2198 ass_filter_deps="libass"
2199 asyncts_filter_deps="avresample"
2200 atempo_filter_deps="avcodec"
2201 atempo_filter_select="rdft"
2202 azmq_filter_deps="libzmq"
2203 blackframe_filter_deps="gpl"
2204 boxblur_filter_deps="gpl"
2205 colormatrix_filter_deps="gpl"
2206 cropdetect_filter_deps="gpl"
2207 dctdnoiz_filter_deps="avcodec"
2208 dctdnoiz_filter_select="fft"
2209 delogo_filter_deps="gpl"
2210 deshake_filter_deps="avcodec"
2211 deshake_filter_select="dsputil"
2212 drawtext_filter_deps="libfreetype"
2213 ebur128_filter_deps="gpl"
2214 flite_filter_deps="libflite"
2215 frei0r_filter_deps="frei0r dlopen"
2216 frei0r_filter_extralibs='$ldl'
2217 frei0r_src_filter_deps="frei0r dlopen"
2218 frei0r_src_filter_extralibs='$ldl'
2219 geq_filter_deps="gpl"
2220 histeq_filter_deps="gpl"
2221 hqdn3d_filter_deps="gpl"
2222 interlace_filter_deps="gpl"
2223 kerndeint_filter_deps="gpl"
2224 ladspa_filter_deps="ladspa dlopen"
2225 mcdeint_filter_deps="avcodec gpl"
2226 movie_filter_deps="avcodec avformat"
2227 mp_filter_deps="gpl avcodec swscale inline_asm"
2228 mpdecimate_filter_deps="gpl avcodec"
2229 mptestsrc_filter_deps="gpl"
2230 negate_filter_deps="lut_filter"
2231 perspective_filter_deps="gpl"
2232 resample_filter_deps="avresample"
2233 ocv_filter_deps="libopencv"
2234 owdenoise_filter_deps="gpl"
2235 pan_filter_deps="swresample"
2236 phase_filter_deps="gpl"
2237 pp_filter_deps="gpl postproc"
2238 pullup_filter_deps="gpl"
2239 removelogo_filter_deps="avcodec avformat swscale"
2240 sab_filter_deps="gpl swscale"
2241 scale_filter_deps="swscale"
2242 smartblur_filter_deps="gpl swscale"
2243 showspectrum_filter_deps="avcodec"
2244 showspectrum_filter_select="rdft"
2245 spp_filter_deps="gpl avcodec"
2246 spp_filter_select="fft"
2247 stereo3d_filter_deps="gpl"
2248 subtitles_filter_deps="avformat avcodec libass"
2249 super2xsai_filter_deps="gpl"
2250 tinterlace_filter_deps="gpl"
2251 vidstabdetect_filter_deps="libvidstab"
2252 vidstabtransform_filter_deps="libvidstab"
2253 yadif_filter_deps="gpl"
2254 pixfmts_super2xsai_test_deps="super2xsai_filter"
2255 tinterlace_merge_test_deps="tinterlace_filter"
2256 tinterlace_pad_test_deps="tinterlace_filter"
2257 zmq_filter_deps="libzmq"
2260 avcodec_deps="avutil"
2261 avdevice_deps="avutil avcodec avformat"
2262 avfilter_deps="avutil"
2263 avformat_deps="avutil avcodec"
2264 avresample_deps="avutil"
2265 postproc_deps="avutil gpl"
2266 swscale_deps="avutil"
2269 ffmpeg_deps="avcodec avfilter avformat swresample"
2270 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2272 setpts_filter trim_filter"
2273 ffplay_deps="avcodec avformat swscale swresample sdl"
2274 ffplay_select="rdft crop_filter"
2275 ffprobe_deps="avcodec avformat"
2276 ffserver_deps="avformat fork sarestart"
2277 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2278 ffserver_extralibs='$ldl'
2281 podpages_deps="perl"
2282 manpages_deps="perl pod2man"
2283 htmlpages_deps="texi2html"
2284 txtpages_deps="makeinfo"
2285 doc_deps_any="manpages htmlpages podpages txtpages"
2287 # default parameters
2289 logfile="config.log"
2291 # installation paths
2292 prefix_default="/usr/local"
2293 bindir_default='${prefix}/bin'
2294 datadir_default='${prefix}/share/ffmpeg'
2295 docdir_default='${prefix}/share/doc/ffmpeg'
2296 incdir_default='${prefix}/include'
2297 libdir_default='${prefix}/lib'
2298 mandir_default='${prefix}/share/man'
2299 shlibdir_default="$libdir_default"
2305 host_cc_default="gcc"
2311 pkg_config_default=pkg-config
2313 strip_default="strip"
2314 yasmexe_default="yasm"
2319 arch_default=$(uname -m)
2323 target_os_default=$(tolower $(uname -s))
2324 host_os=$target_os_default
2326 # configurable options
2327 enable $PROGRAM_LIST
2328 enable $DOCUMENT_LIST
2329 enable $(filter_out avresample $LIBRARY_LIST)
2335 enable optimizations
2336 enable runtime_cpudetect
2337 enable safe_bitstream_reader
2339 enable swscale_alpha
2341 # Enable hwaccels by default.
2342 enable dxva2 vaapi vdpau
2345 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2348 FULLNAME='$(NAME)$(BUILDSUF)'
2349 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2352 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2353 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2354 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2355 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2356 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2357 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2377 host_cflags='-O3 -g'
2378 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2380 host_cflags_filter=echo
2381 host_ldflags_filter=echo
2383 target_path='$(CURDIR)'
2385 # since the object filename is not given with the -MM flag, the compiler
2386 # is only able to print the basename, and we must add the path ourselves
2387 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2391 if test -f configure; then
2394 source_path=$(cd $(dirname "$0"); pwd)
2395 echo "$source_path" | grep -q '[[:blank:]]' &&
2396 die "Out of tree builds are impossible with whitespace in source path."
2397 test -e "$source_path/config.h" &&
2398 die "Out of tree builds are impossible with config.h in source dir."
2405 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2411 file=$source_path/$3
2412 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2415 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2416 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2417 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2418 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2419 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2420 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2421 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2422 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2423 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2424 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2425 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2441 for n in $COMPONENT_LIST; do
2442 v=$(toupper ${n%s})_LIST
2444 eval ${n}_if_any="\$$v"
2447 enable $ARCH_EXT_LIST
2450 echo "Unknown option \"$1\"."
2451 echo "See $0 --help for available options."
2456 cat | tr ' ' '\n' | sort | pr -r -3 -t
2462 echo $* | sed s/$suffix//g | print_3_columns
2474 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2475 echo "prob ${prob:-0.5}"
2483 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2484 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2494 add_extralibs $optval
2497 disable $INDEV_LIST $OUTDEV_LIST
2500 debuglevel="$optval"
2503 disable $PROGRAM_LIST
2505 --disable-everything)
2506 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2509 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2510 disable $LIBRARY_LIST $PROGRAM_LIST doc
2512 --enable-random|--disable-random)
2513 action=${opt%%-random}
2514 do_random ${action#--} $COMPONENT_LIST
2516 --enable-random=*|--disable-random=*)
2517 action=${opt%%-random=*}
2518 do_random ${action#--} $optval
2520 --enable-*=*|--disable-*=*)
2521 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2522 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2523 eval list=\$$(toupper $thing)_LIST
2524 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2525 list=$(filter "$name" $list)
2526 [ "$list" = "" ] && warn "Option $opt did not match anything"
2529 --enable-?*|--disable-?*)
2530 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2531 if is_in $option $COMPONENT_LIST; then
2532 test $action = disable && action=unset
2533 eval $action \$$(toupper ${option%s})_LIST
2534 elif is_in $option $CMDLINE_SELECT; then
2541 NAME="${opt#--list-}"
2542 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2544 eval show_list $NAME \$$(toupper $NAME)_LIST
2546 --help|-h) show_help
2548 --fatal-warnings) enable fatal_warnings
2551 optname="${opt%%=*}"
2552 optname="${optname#--}"
2553 optname=$(echo "$optname" | sed 's/-/_/g')
2554 if is_in $optname $CMDLINE_SET; then
2555 eval $optname='$optval'
2556 elif is_in $optname $CMDLINE_APPEND; then
2557 append $optname "$optval"
2565 disabled logging && logfile=/dev/null
2567 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2570 test -n "$cross_prefix" && enable cross_compile
2572 if enabled cross_compile; then
2573 test -n "$arch" && test -n "$target_os" ||
2574 die "Must specify target arch and OS when cross-compiling"
2577 ar_default="${cross_prefix}${ar_default}"
2578 cc_default="${cross_prefix}${cc_default}"
2579 cxx_default="${cross_prefix}${cxx_default}"
2580 nm_default="${cross_prefix}${nm_default}"
2581 pkg_config_default="${cross_prefix}${pkg_config_default}"
2582 ranlib="${cross_prefix}${ranlib}"
2583 strip_default="${cross_prefix}${strip_default}"
2585 sysinclude_default="${sysroot}/usr/include"
2587 test -n "$valgrind" && toolchain="valgrind-memcheck"
2589 case "$toolchain" in
2592 add_cflags -fsanitize=address
2593 add_ldflags -fsanitize=address
2597 add_cflags -fsanitize=thread -pie
2598 add_ldflags -fsanitize=thread -pie
2602 add_cflags -fsanitize=address
2603 add_ldflags -fsanitize=address
2607 add_cflags -fsanitize=thread -pie -fPIC
2608 add_ldflags -fsanitize=thread -pie -fPIC
2611 target_exec_default=${valgrind:-"valgrind"}
2612 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
2615 target_exec_default=${valgrind:-"valgrind"}
2616 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2619 cc_default="c99wrap cl"
2620 ld_default="c99wrap link"
2621 nm_default="dumpbin -symbols"
2623 target_os_default="win32"
2626 cc_default="c99wrap -noconv icl"
2627 ld_default="c99wrap xilink"
2628 nm_default="dumpbin -symbols"
2630 target_os_default="win32"
2633 add_cflags -fprofile-arcs -ftest-coverage
2634 add_ldflags -fprofile-arcs -ftest-coverage
2637 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2638 add_ldflags -Wl,-z,relro -Wl,-z,now
2641 die "Unknown toolchain $toolchain"
2645 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2646 enabled cross_compile || host_cc_default=$cc
2649 if ! $pkg_config --version >/dev/null 2>&1; then
2650 warn "$pkg_config not found, library detection may fail."
2656 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2660 EXESUF=$(exesuf $target_os)
2661 HOSTEXESUF=$(exesuf $host_os)
2663 # set temporary file name
2664 : ${TMPDIR:=$TEMPDIR}
2668 if [ -n "$tempprefix" ] ; then
2670 echo $tempprefix.${HOSTNAME}.${UID}
2672 elif ! check_cmd mktemp -u XXXXXX; then
2673 # simple replacement for missing mktemp
2674 # NOT SAFE FOR GENERAL USE
2676 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2681 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2682 (set -C; exec > $tmp) 2>/dev/null ||
2683 die "Unable to create temporary file in $TMPDIR."
2684 append TMPFILES $tmp
2688 trap 'rm -f -- $TMPFILES' EXIT
2693 tmpfile TMPE $EXESUF
2704 # make sure we can execute files in $TMPDIR
2705 cat > $TMPSH 2>> $logfile <<EOF
2708 chmod +x $TMPSH >> $logfile 2>&1
2709 if ! $TMPSH >> $logfile 2>&1; then
2711 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2712 variable to another directory and make sure that it is not mounted noexec.
2714 die "Sanity test failed."
2720 -std=c99) echo -c99 ;;
2721 -mcpu=*) echo -arch ${flag#*=} ;;
2722 -mieee) echo -ieee ;;
2723 -O*|-fast) echo $flag ;;
2724 -fno-math-errno) echo -assume nomath_errno ;;
2726 -Wall) echo -msg_enable level2 ;;
2727 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2728 -Wl,*) echo $flag ;;
2738 -Wno-switch) echo -Wno-switch-enum ;;
2739 -Wno-format-zero-length) ;;
2740 -Wdisabled-optimization) ;;
2741 -Wno-pointer-sign) echo -Wno-other ;;
2747 msvc_common_flags(){
2750 # In addition to specifying certain flags under the compiler
2751 # specific filters, they must be specified here as well or else the
2752 # generic catch all at the bottom will print the original flag.
2756 -fomit-frame-pointer) ;;
2760 -fno-signed-zeros) ;;
2764 -lz) echo zlib.lib ;;
2765 -lavifil32) echo vfw32.lib ;;
2766 -lavicap32) echo vfw32.lib user32.lib ;;
2767 -l*) echo ${flag#-l}.lib ;;
2774 msvc_common_flags "$@"
2777 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2778 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2779 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2787 msvc_common_flags "$@"
2790 # Despite what Intel's documentation says -Wall, which is supported
2791 # on Windows, does enable remarks so disable them here.
2792 -Wall) echo $flag -Qdiag-disable:remark ;;
2793 -std=c99) echo -Qstd=c99 ;;
2801 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2802 -fomit-frame-pointer) echo -Mnoframe ;;
2813 case "${flag#*=}" in
2814 native) echo -xtarget=native ;;
2815 v9|niagara) echo -xarch=sparc ;;
2816 ultrasparc) echo -xarch=sparcvis ;;
2817 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2818 i586|pentium) echo -xchip=pentium ;;
2819 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2820 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2821 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2822 pentium4*) echo -xtarget=pentium4 ;;
2823 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2824 *-sse3) echo -xarch=sse3 ;;
2825 core2) echo -xarch=ssse3 -xchip=core2 ;;
2826 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2827 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2828 amdfam10|barcelona) echo -xtarget=barcelona ;;
2829 bdver*) echo -xarch=avx ;;
2830 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2831 k8|opteron|athlon64|athlon-fx)
2832 echo -xarch=sse2a ;;
2833 athlon*) echo -xarch=pentium_proa ;;
2836 -std=c99) echo -xc99 ;;
2837 -fomit-frame-pointer) echo -xregs=frameptr ;;
2838 -fPIC) echo -KPIC -xcode=pic32 ;;
2839 -W*,*) echo $flag ;;
2840 -f*-*|-W*|-mimpure-text) ;;
2851 case "${flag#*=}" in
2852 armv7-a|cortex-a*) echo -mv=7a8 ;;
2853 armv7-r|cortex-r*) echo -mv=7r4 ;;
2854 armv7-m|cortex-m*) echo -mv=7m3 ;;
2855 armv6*|arm11*) echo -mv=6 ;;
2856 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2858 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2861 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2862 -mfpu=vfp) echo --float_support=vfpv2 ;;
2863 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2864 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2865 -msoft-float) echo --float_support=vfplib ;;
2866 -O[0-3]|-mf=*) echo $flag ;;
2868 -pds=*) echo $flag ;;
2869 -D*|-I*) echo $flag ;;
2870 --gcc|--abi=*) echo $flag ;;
2880 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2881 unset _ld_o _ldflags _ld_lib _ld_path
2882 unset _depflags _DEPCMD _DEPFLAGS
2885 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2887 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2888 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2889 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2892 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2894 gcc_version=$($_cc --version | head -n1)
2895 gcc_basever=$($_cc -dumpversion)
2896 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2897 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2898 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2899 if ! $_cc -dumpversion | grep -q '^2\.'; then
2900 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2904 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2906 _ident=$($_cc --version | head -n1)
2911 elif $_cc -v 2>&1 | grep -q xlc; then
2913 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2915 _cflags_size='-O5 -qcompact'
2916 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2918 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2920 _cflags_speed='-fast'
2922 _flags_filter=ccc_flags
2923 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2924 test -d "$sysroot" || die "No valid sysroot specified."
2926 _ident=$($_cc --vsn | head -n1)
2927 armcc_conf="$PWD/armcc.conf"
2928 $_cc --arm_linux_configure \
2929 --arm_linux_config_file="$armcc_conf" \
2930 --configure_sysroot="$sysroot" \
2931 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2932 die "Error creating armcc configuration file."
2933 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2934 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2935 as_default="${cross_prefix}gcc"
2939 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2941 _ident=$($_cc -version | head -n1 | tr -s ' ')
2942 _flags='--gcc --abi=eabi -me'
2945 _depflags='-ppa -ppd=$(@:.o=.d)'
2946 _cflags_speed='-O3 -mf=5'
2947 _cflags_size='-O3 -mf=2'
2948 _flags_filter=tms470_flags
2949 elif $_cc -v 2>&1 | grep -q clang; then
2951 _ident=$($_cc --version | head -n1)
2955 elif $_cc -V 2>&1 | grep -q Sun; then
2957 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2958 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2959 _DEPFLAGS='-xM1 -xc99'
2962 _cflags_size='-O5 -xspace'
2963 _flags_filter=suncc_flags
2964 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2966 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2967 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2970 _flags_filter='filter_out -Wdisabled-optimization'
2971 elif $_cc -v 2>&1 | grep -q Open64; then
2973 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2974 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2977 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2978 elif $_cc -V 2>&1 | grep -q Portland; then
2980 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2981 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2982 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2983 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2985 _flags_filter=pgi_flags
2986 elif $_cc 2>&1 | grep -q Microsoft; then
2988 _ident=$($cc 2>&1 | head -n1)
2989 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2990 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2993 # Nonstandard output options, to avoid msys path conversion issues.
2994 # Relies on wrapper to remap it.
2995 if $_cc 2>&1 | grep -q Linker; then
3002 _flags_filter=msvc_flags
3004 _ld_path='-libpath:'
3006 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3007 if [ $pfx = hostcc ]; then
3008 append _cflags -Dsnprintf=_snprintf
3011 elif $_cc 2>&1 | grep -q Intel; then
3013 _ident=$($cc 2>&1 | head -n1)
3014 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3015 # Not only is O3 broken on 13.x+ but it is slower on all previous
3016 # versions (tested) as well.
3018 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3019 # Nonstandard output options, to avoid msys path conversion issues.
3020 # Relies on wrapper to remap it.
3021 if $_cc 2>&1 | grep -q Linker; then
3028 _flags_filter=icl_flags
3030 _ld_path='-libpath:'
3031 # -Qdiag-error to make icl error when seeing certain unknown arguments
3032 _flags='-nologo -Qdiag-error:4044,10157'
3033 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3034 # with MSVC which enables it by default.
3035 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3036 if [ $pfx = hostcc ]; then
3037 append _cflags -Dsnprintf=_snprintf
3039 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3041 _ident=$($_cc --version | head -n1)
3045 _flags_filter=cparser_flags
3048 eval ${pfx}_type=\$_type
3049 eval ${pfx}_ident=\$_ident
3053 eval ${1}_C=\${_cc_c-\${${1}_C}}
3054 eval ${1}_E=\${_cc_e-\${${1}_E}}
3055 eval ${1}_O=\${_cc_o-\${${1}_O}}
3057 if [ -n "$_depflags" ]; then
3058 eval ${1}_DEPFLAGS=\$_depflags
3060 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3061 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3062 eval DEP${1}FLAGS=\$_flags
3067 cflags_filter=$_flags_filter
3068 cflags_speed=$_cflags_speed
3069 cflags_size=$_cflags_size
3070 cflags_noopt=$_cflags_noopt
3071 add_cflags $_flags $_cflags
3072 cc_ldflags=$_ldflags
3075 probe_cc hostcc "$host_cc"
3076 host_cflags_filter=$_flags_filter
3077 add_host_cflags $_flags $_cflags
3080 test -n "$cc_type" && enable $cc_type ||
3081 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3083 : ${as_default:=$cc}
3084 : ${dep_cc_default:=$cc}
3085 : ${ld_default:=$cc}
3086 : ${host_ld_default:=$host_cc}
3087 set_default ar as dep_cc ld host_ld
3090 asflags_filter=$_flags_filter
3091 add_asflags $_flags $_cflags
3095 ldflags_filter=$_flags_filter
3096 add_ldflags $_flags $_ldflags
3097 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3099 LD_LIB=${_ld_lib-$LD_LIB}
3100 LD_PATH=${_ld_path-$LD_PATH}
3102 probe_cc hostld "$host_ld"
3103 host_ldflags_filter=$_flags_filter
3104 add_host_ldflags $_flags $_ldflags
3105 HOSTLD_O=${_ld_o-$HOSTLD_O}
3107 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3108 probe_cc depcc "$dep_cc"
3109 CCDEP=${_DEPCMD:-$DEPCMD}
3110 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3114 if $ar 2>&1 | grep -q Microsoft; then
3117 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3120 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3121 arflags='-Xany -r -c'
3128 add_cflags $extra_cflags
3129 add_cxxflags $extra_cxxflags
3130 add_asflags $extra_cflags
3132 if test -n "$sysroot"; then
3135 add_cppflags --sysroot="$sysroot"
3136 add_ldflags --sysroot="$sysroot"
3139 add_cppflags -I"$sysinclude"
3140 add_ldflags --sysroot="$sysroot"
3145 if test "$cpu" = host; then
3146 enabled cross_compile &&
3147 die "--cpu=host makes no sense when cross-compiling."
3152 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3154 s/.*$1=\\([^ ]*\\).*/\\1/
3159 cpu=$(check_native -march || check_native -mcpu)
3163 test "${cpu:-host}" = host &&
3164 die "--cpu=host not supported with compiler $cc"
3167 # Deal with common $arch aliases
3181 "Power Macintosh"|ppc*|powerpc*)
3196 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3201 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3204 # Add processor-specific flags
3205 if enabled aarch64; then
3209 cpuflags="-march=$cpu"
3212 cpuflags="-mcpu=$cpu"
3216 elif enabled alpha; then
3218 cpuflags="-mcpu=$cpu"
3220 elif enabled arm; then
3223 check_cpp_condition stddef.h \
3224 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3229 if check_arm_arch 4; then echo armv4;
3230 elif check_arm_arch 4T; then echo armv4t;
3231 elif check_arm_arch 5; then echo armv5;
3232 elif check_arm_arch 5E; then echo armv5e;
3233 elif check_arm_arch 5T; then echo armv5t;
3234 elif check_arm_arch 5TE; then echo armv5te;
3235 elif check_arm_arch 5TEJ; then echo armv5te;
3236 elif check_arm_arch 6; then echo armv6;
3237 elif check_arm_arch 6J; then echo armv6j;
3238 elif check_arm_arch 6K; then echo armv6k;
3239 elif check_arm_arch 6Z; then echo armv6z;
3240 elif check_arm_arch 6ZK; then echo armv6zk;
3241 elif check_arm_arch 6T2; then echo armv6t2;
3242 elif check_arm_arch 7; then echo armv7;
3243 elif check_arm_arch 7A 7_A; then echo armv7-a;
3244 elif check_arm_arch 7R 7_R; then echo armv7-r;
3245 elif check_arm_arch 7M 7_M; then echo armv7-m;
3246 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3247 elif check_arm_arch 8A 8_A; then echo armv8-a;
3251 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3255 cpuflags="-march=$cpu"
3256 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3259 cpuflags="-mcpu=$cpu"
3261 cortex-a*) subarch=armv7a ;;
3262 cortex-r*) subarch=armv7r ;;
3263 cortex-m*) enable thumb; subarch=armv7m ;;
3264 arm11*) subarch=armv6 ;;
3265 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3266 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3267 *) subarch=$(probe_arm_arch) ;;
3273 armv5t*) enable fast_clz ;;
3274 armv[6-8]*) enable fast_clz fast_unaligned ;;
3277 elif enabled avr32; then
3282 cpuflags="-mpart=$cpu"
3286 cpuflags="-march=$cpu"
3290 cpuflags="-mcpu=$cpu"
3294 cpuflags="-march=$cpu"
3298 elif enabled bfin; then
3300 cpuflags="-mcpu=$cpu"
3302 elif enabled mips; then
3304 cpuflags="-march=$cpu"
3320 24kef*|34kf*|1004kf*)
3328 elif enabled ppc; then
3330 case $(tolower $cpu) in
3331 601|ppc601|powerpc601)
3332 cpuflags="-mcpu=601"
3335 603*|ppc603*|powerpc603*)
3336 cpuflags="-mcpu=603"
3339 604*|ppc604*|powerpc604*)
3340 cpuflags="-mcpu=604"
3343 g3|75*|ppc75*|powerpc75*)
3344 cpuflags="-mcpu=750"
3347 g4|745*|ppc745*|powerpc745*)
3348 cpuflags="-mcpu=7450"
3350 74*|ppc74*|powerpc74*)
3351 cpuflags="-mcpu=7400"
3353 g5|970|ppc970|powerpc970)
3354 cpuflags="-mcpu=970"
3357 cpuflags="-mcpu=$cpu"
3360 cpuflags="-mcpu=cell"
3364 cpuflags="-mcpu=e500mc"
3368 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3372 cpuflags="-mcpu=8540 -mhard-float"
3377 elif enabled sparc; then
3380 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3381 cpuflags="-mcpu=$cpu"
3384 ultrasparc*|niagara[234])
3385 cpuflags="-mcpu=$cpu"
3389 elif enabled x86; then
3393 cpuflags="-march=$cpu"
3396 # targets that do NOT support nopl and conditional mov (cmov)
3397 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3398 cpuflags="-march=$cpu"
3401 # targets that do support nopl and conditional mov (cmov)
3402 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*)
3403 cpuflags="-march=$cpu"
3407 # targets that do support conditional mov but on which it's slow
3408 pentium4|pentium4m|prescott|nocona)
3409 cpuflags="-march=$cpu"
3417 if [ "$cpu" != generic ]; then
3418 add_cflags $cpuflags
3419 add_asflags $cpuflags
3422 # compiler sanity check
3424 int main(void){ return 0; }
3426 if test "$?" != 0; then
3427 echo "$cc is unable to create an executable file."
3428 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3429 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3430 echo "Only do this if you know what cross compiling means."
3432 die "C compiler test failed."
3435 add_cppflags -D_ISOC99_SOURCE
3436 add_cxxflags -D__STDC_CONSTANT_MACROS
3437 check_cflags -std=c99
3438 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3441 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3445 check_host_cflags -std=c99
3446 check_host_cflags -Wall
3452 check_code cc "" "int test[2*($expr) - 1]" &&
3453 subarch=$arch64 || subarch=$arch32
3461 check_64bit mips mips64 '_MIPS_SIM > 1'
3465 check_64bit parisc parisc64 'sizeof(void *) > 4'
3469 check_64bit ppc ppc64 'sizeof(void *) > 4'
3473 check_64bit sparc sparc64 'sizeof(void *) > 4'
3477 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3478 if test "$subarch" = "x86_64"; then
3483 check_cc <<EOF && subarch="ppc64"
3484 int test[(int)sizeof(char*) - 7];
3490 enabled spic && enable_weak pic
3496 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3497 enabled shared && add_ldflags -Wl,-brtl
3500 prefix_default="/boot/common"
3501 network_extralibs="-lnetwork"
3505 SHFLAGS='-shared -Wl,-h,$$(@F)'
3506 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3507 network_extralibs="-lsocket -lnsl"
3508 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3509 # When using suncc to build, the Solaris linker will mark
3510 # an executable with each instruction set encountered by
3511 # the Solaris assembler. As our libraries contain their own
3512 # guards for processor-specific code, instead suppress
3513 # generation of the HWCAPS ELF section on Solaris x86 only.
3514 enabled_all suncc x86 &&
3515 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3516 add_ldflags -Wl,-M,mapfile
3517 nm_default='nm -P -g'
3521 oss_indev_extralibs="-lossaudio"
3522 oss_outdev_extralibs="-lossaudio"
3523 enabled gcc || check_ldflags -Wl,-zmuldefs
3528 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3530 oss_indev_extralibs="-lossaudio"
3531 oss_outdev_extralibs="-lossaudio"
3539 add_extralibs -lpoll -lgnugetopt
3543 gas="gas-preprocessor.pl $cc"
3544 enabled ppc && add_asflags -force_cpusubtype_ALL
3545 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3546 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3548 add_ldflags -Wl,-dynamic,-search_paths_first
3550 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3551 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3553 enabled x86_64 && objformat="macho64"
3554 enabled_any pic shared ||
3555 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3558 if test $target_os = "mingw32ce"; then
3564 if enabled x86_64; then
3565 LIBTARGET="i386:x86-64"
3566 elif enabled arm; then
3569 check_ldflags -Wl,--nxcompat
3570 check_ldflags -Wl,--dynamicbase
3571 shlibdir_default="$bindir_default"
3574 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3575 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3576 dlltool="${cross_prefix}dlltool"
3577 if check_cmd lib.exe -list; then
3578 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3579 if enabled x86_64; then
3582 elif check_cmd $dlltool --version; then
3583 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3585 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3587 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3588 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3589 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3595 if enabled shared; then
3596 # Link to the import library instead of the normal static library
3599 # Cannot build both shared and static libs with MSVC or icl.
3602 shlibdir_default="$bindir_default"
3605 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3606 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3607 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3608 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3610 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3611 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3612 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3619 shlibdir_default="$bindir_default"
3622 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3623 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3624 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3626 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3627 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3631 *-dos|freedos|opendos)
3632 network_extralibs="-lsocket"
3635 add_cppflags -U__STRICT_ANSI__
3642 ranlib="echo ignoring ranlib"
3648 add_cppflags -D_GNU_SOURCE
3649 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3650 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3654 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3655 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3656 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3657 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3658 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3659 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3660 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3661 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3662 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3663 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3664 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3666 enable_weak os2threads
3669 add_cppflags -D_BSD_SOURCE
3674 add_cppflags -D_QNX_SOURCE
3675 network_extralibs="-lsocket"
3680 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3681 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3682 add_ldflags -Wl,--target1-abs,--no-undefined \
3683 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3684 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3685 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3686 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3687 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3690 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3695 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3696 -D_REENTRANT_SOURCE \
3697 -D_RESEARCH_SOURCE \
3700 add_compat strtod.o strtod=avpriv_strtod
3701 network_extralibs='-lbsd'
3702 exeobjs=compat/plan9/main.o
3709 die "Unknown OS '$target_os'."
3713 # determine libc flavour
3715 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3716 if check_cpp_condition features.h "defined __UCLIBC__"; then
3718 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3719 elif check_cpp_condition features.h "defined __GLIBC__"; then
3721 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3722 # MinGW headers can be installed on Cygwin, so check for newlib first.
3723 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3725 add_cppflags -U__STRICT_ANSI__
3726 elif check_header _mingw.h; then
3728 check_cpp_condition _mingw.h \
3729 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3730 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3731 die "ERROR: MinGW runtime version must be >= 3.15."
3732 add_cppflags -U__STRICT_ANSI__
3733 if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3734 __MINGW64_VERSION_MAJOR < 3"; then
3735 add_compat msvcrt/snprintf.o
3736 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3738 add_cppflags -D__USE_MINGW_ANSI_STDIO=1
3740 elif check_func_headers stdlib.h _get_doserrno; then
3742 add_compat strtod.o strtod=avpriv_strtod
3743 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3744 _snprintf=avpriv_snprintf \
3745 vsnprintf=avpriv_vsnprintf
3746 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3747 # 0x601 by default unless something else is set by the user.
3748 # This can easily lead to us detecting functions only present
3749 # in such new versions and producing binaries requiring windows 7.0.
3750 # Therefore explicitly set the default to XP unless the user has
3751 # set something else on the command line.
3752 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
3753 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3755 elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3757 add_compat strtod.o strtod=avpriv_strtod
3760 test -n "$libc_type" && enable $libc_type
3762 # hacks for compiler/libc/os combinations
3764 if enabled_all tms470 glibc; then
3765 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3766 add_cppflags -D__USER_LABEL_PREFIX__=
3767 add_cppflags -D__builtin_memset=memset
3768 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3769 add_cflags -pds=48 # incompatible redefinition of macro
3772 if enabled_all ccc glibc; then
3773 add_ldflags -Wl,-z,now # calls to libots crash without this
3777 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3780 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3782 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3784 set_default $PATHS_LIST
3787 # we need to build at least one lib type
3788 if ! enabled_any static shared; then
3790 At least one library type must be built.
3791 Specify --enable-static to build the static libraries or --enable-shared to
3792 build the shared libraries as well. To only build the shared libraries specify
3793 --disable-static in addition to --enable-shared.
3798 # backward compatibility layer for incompatible_libav/fork_abi
3799 enabled incompatible_fork_abi && enable incompatible_libav_abi
3800 enabled incompatible_libav_abi && enable incompatible_fork_abi
3802 die_license_disabled() {
3803 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3806 die_license_disabled_gpl() {
3807 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3810 die_license_disabled gpl frei0r
3811 die_license_disabled gpl libcdio
3812 die_license_disabled gpl libutvideo
3813 die_license_disabled gpl libvidstab
3814 die_license_disabled gpl libx264
3815 die_license_disabled gpl libxavs
3816 die_license_disabled gpl libxvid
3817 die_license_disabled gpl libzvbi
3818 die_license_disabled gpl x11grab
3820 die_license_disabled nonfree libaacplus
3821 die_license_disabled nonfree libfaac
3822 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3823 enabled gpl && die_license_disabled_gpl nonfree openssl
3825 die_license_disabled version3 libopencore_amrnb
3826 die_license_disabled version3 libopencore_amrwb
3827 die_license_disabled version3 libvo_aacenc
3828 die_license_disabled version3 libvo_amrwbenc
3830 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3832 disabled optimizations || check_cflags -fomit-frame-pointer
3835 disabled pic && return
3838 case "$target_os" in
3848 enabled pic && enable_weak_pic
3850 check_cc <<EOF || die "Symbol mangling check failed."
3853 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3854 extern_prefix=${sym%%ff_extern*}
3856 check_cc <<EOF && enable_weak inline_asm
3857 void foo(void) { __asm__ volatile ("" ::); }
3861 for restrict_keyword in restrict __restrict__ __restrict; do
3862 check_cc <<EOF && _restrict=$restrict_keyword && break
3863 void foo(char * $restrict_keyword p);
3867 check_cc <<EOF && enable pragma_deprecated
3868 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3871 check_cc <<EOF && enable attribute_packed
3872 struct { int x; } __attribute__((packed)) x;
3875 check_cc <<EOF && enable attribute_may_alias
3876 union { int x; } __attribute__((may_alias)) x;
3879 check_cc <<EOF || die "endian test failed"
3880 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3882 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3884 check_inline_asm inline_asm_labels '"1:\n"'
3886 if enabled alpha; then
3890 elif enabled arm; then
3892 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
3893 float func(float a, float b){ return a+b; }
3896 enabled thumb && check_cflags -mthumb || check_cflags -marm
3899 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3901 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3902 case "${cross_prefix:-$cc}" in
3903 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3904 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3905 __asm__ (".eabi_attribute 28, 1");
3906 int main(void) { return 0; }
3909 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3912 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3913 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3914 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3915 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3916 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3917 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3919 [ $target_os = linux ] ||
3920 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3923 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3924 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3926 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
3928 elif enabled mips; then
3930 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3931 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3932 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
3933 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3934 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3935 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3936 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3937 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3938 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
3940 elif enabled parisc; then
3942 if enabled gcc; then
3943 case $($cc -dumpversion) in
3944 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3948 elif enabled ppc; then
3950 enable local_aligned_8 local_aligned_16
3952 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3953 check_inline_asm ibm_asm '"add 0, 0, 0"'
3954 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3955 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3957 # AltiVec flags: The FSF version of GCC differs from the Apple version
3958 if enabled altivec; then
3959 if ! enabled_any pic ppc64; then
3962 check_cflags -maltivec -mabi=altivec &&
3963 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3964 check_cflags -faltivec
3966 # check if our compiler supports Motorola AltiVec C API
3967 check_cc <<EOF || disable altivec
3970 vector signed int v1 = (vector signed int) { 0 };
3971 vector signed int v2 = (vector signed int) { 1 };
3972 v1 = vec_add(v1, v2);
3977 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3980 elif enabled sparc; then
3982 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
3984 elif enabled x86; then
3986 check_builtin rdtsc intrin.h "__rdtsc()"
3987 check_builtin mm_empty mmintrin.h "_mm_empty()"
3989 enable local_aligned_8 local_aligned_16
3991 # check whether EBP is available on x86
3992 # As 'i' is stored on the stack, this program will crash
3993 # if the base pointer is used to access it because the
3994 # base pointer is cleared in the inline assembly code.
3995 check_exec_crash <<EOF && enable ebp_available
3997 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4001 # check whether EBX is available on x86
4002 check_inline_asm ebx_available '""::"b"(0)' &&
4003 check_inline_asm ebx_available '"":::"%ebx"'
4005 # check whether xmm clobbers are supported
4006 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4008 # check whether binutils is new enough to compile SSSE3/MMXEXT
4009 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4010 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4012 if ! disabled_any asm mmx yasm; then
4013 if check_cmd $yasmexe --version; then
4014 enabled x86_64 && yasm_extra="-m amd64"
4015 yasm_debug="-g dwarf2"
4016 elif check_cmd nasm -v; then
4018 yasm_debug="-g -F dwarf"
4019 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4022 YASMFLAGS="-f $objformat $yasm_extra"
4023 enabled pic && append YASMFLAGS "-DPIC"
4024 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4025 case "$objformat" in
4026 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4029 check_yasm "movbe ecx, [5]" && enable yasm ||
4030 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4031 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4032 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4033 check_yasm "CPU amdnop" && enable cpunop
4037 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4044 if enabled asm; then
4046 check_as <<EOF && enable gnu_as || \
4047 $nogas "GNU assembler not found, install gas-preprocessor"
4055 check_ldflags -Wl,--as-needed
4057 if check_func dlopen; then
4059 elif check_func dlopen -ldl; then
4063 if ! disabled network; then
4064 check_type "sys/types.h sys/socket.h" socklen_t
4065 check_type netdb.h "struct addrinfo"
4066 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4067 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4068 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4069 check_type netinet/in.h "struct sockaddr_in6"
4070 check_type poll.h "struct pollfd"
4071 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4072 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4073 check_type netinet/sctp.h "struct sctp_event_subscribe"
4074 check_func getaddrinfo $network_extralibs
4075 check_func getservbyport $network_extralibs
4076 # Prefer arpa/inet.h over winsock2
4077 if check_header arpa/inet.h ; then
4078 check_func closesocket
4079 elif check_header winsock2.h ; then
4080 check_func_headers winsock2.h closesocket -lws2 &&
4081 network_extralibs="-lws2" ||
4082 { check_func_headers winsock2.h closesocket -lws2_32 &&
4083 network_extralibs="-lws2_32"; }
4084 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4085 check_type ws2tcpip.h socklen_t
4086 check_type ws2tcpip.h "struct addrinfo"
4087 check_type ws2tcpip.h "struct group_source_req"
4088 check_type ws2tcpip.h "struct ip_mreq_source"
4089 check_type ws2tcpip.h "struct ipv6_mreq"
4090 check_type winsock2.h "struct pollfd"
4091 check_type ws2tcpip.h "struct sockaddr_in6"
4092 check_type ws2tcpip.h "struct sockaddr_storage"
4093 check_struct winsock2.h "struct sockaddr" sa_len
4099 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4100 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4103 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4106 check_func_headers stdlib.h getenv
4107 check_func gethrtime
4109 check_func getrusage
4110 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4111 check_func gettimeofday
4112 check_func inet_aton $network_extralibs
4114 check_func localtime_r
4115 check_func ${malloc_prefix}memalign && enable memalign
4119 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4120 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4121 check_func setrlimit
4122 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4123 check_func strerror_r
4124 check_func sched_getaffinity
4125 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4126 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4127 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4128 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4129 check_builtin sarestart signal.h "SA_RESTART"
4133 check_func_headers conio.h kbhit
4134 check_func_headers windows.h PeekNamedPipe
4135 check_func_headers io.h setmode
4136 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4137 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4138 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4139 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4140 check_func_headers windows.h GetProcessAffinityMask
4141 check_func_headers windows.h GetProcessTimes
4142 check_func_headers windows.h GetSystemTimeAsFileTime
4143 check_func_headers windows.h MapViewOfFile
4144 check_func_headers windows.h SetConsoleTextAttribute
4145 check_func_headers windows.h Sleep
4146 check_func_headers windows.h VirtualAlloc
4147 check_func_headers glob.h glob
4148 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4150 check_header cl/cl.h
4151 check_header direct.h
4152 check_header dlfcn.h
4154 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4156 check_header libcrystalhd/libcrystalhd_if.h
4157 check_header malloc.h
4159 check_header sys/mman.h
4160 check_header sys/param.h
4161 check_header sys/resource.h
4162 check_header sys/select.h
4163 check_header sys/time.h
4164 check_header sys/un.h
4165 check_header termios.h
4166 check_header unistd.h
4167 check_header vdpau/vdpau.h
4168 check_header vdpau/vdpau_x11.h
4169 check_header VideoDecodeAcceleration/VDADecoder.h
4170 check_header windows.h
4171 check_header X11/extensions/XvMClib.h
4172 check_header asm/types.h
4174 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4175 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4177 if ! disabled w32threads && ! enabled pthreads; then
4178 check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
4181 # check for some common methods of building with pthread support
4182 # do this before the optional library checks as some of them require pthreads
4183 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4185 if check_func pthread_create; then
4187 elif check_func pthread_create -pthread; then
4189 add_extralibs -pthread
4190 elif check_func pthread_create -pthreads; then
4191 add_cflags -pthreads
4192 add_extralibs -pthreads
4193 elif check_func pthread_create -lpthreadGC2; then
4194 add_extralibs -lpthreadGC2
4195 elif ! check_lib pthread.h pthread_create -lpthread; then
4200 for thread in $THREADS_LIST; do
4201 if enabled $thread; then
4202 test -n "$thread_type" &&
4203 die "ERROR: Only one thread type must be selected." ||
4204 thread_type="$thread"
4208 if enabled pthreads; then
4209 check_func pthread_cancel
4212 enabled sync_val_compare_and_swap && enable atomics_gcc
4213 enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
4214 enabled MemoryBarrier && enable atomics_win32
4216 check_lib math.h sin -lm && LIBM="-lm"
4217 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4223 for func in $MATH_FUNCS; do
4224 eval check_mathfunc $func \${${func}_args:-1}
4227 # these are off by default, so fail if requested and not available
4228 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4229 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4230 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4231 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4232 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4233 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4234 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4235 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4236 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4237 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4238 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4239 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4240 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4241 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4242 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4243 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4244 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4245 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"
4246 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4247 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
4248 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4249 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4250 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4251 done || die "ERROR: libgsm not found"; }
4252 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4253 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4254 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4255 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4256 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4257 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4258 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4259 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4260 check_lib openjpeg.h opj_version -lopenjpeg ||
4261 die "ERROR: libopenjpeg not found"; }
4262 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4263 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4264 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4265 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4266 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4267 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4268 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4269 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4270 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4271 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4272 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4273 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4274 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4275 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4276 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4277 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4278 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4279 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4280 enabled libvidstab && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4281 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4282 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4283 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4285 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4286 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4287 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 ||
4288 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4289 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4290 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
4291 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4292 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4293 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4294 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4295 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4296 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4297 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4298 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4299 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4300 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4301 die "ERROR: openal not found"; } &&
4302 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4303 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4304 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4305 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4306 die "ERROR: opencl not found"; } &&
4307 { ! enabled_any w32threads os2threads ||
4308 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4309 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4310 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4311 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4312 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4313 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4314 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4315 die "ERROR: openssl not found"; }
4317 if enabled gnutls; then
4318 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4319 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4323 if enabled libdc1394; then
4324 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4325 enable libdc1394_2; } ||
4326 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4327 enable libdc1394_1; } ||
4328 die "ERROR: No version of libdc1394 found "
4331 SDL_CONFIG="${cross_prefix}sdl-config"
4332 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4333 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4334 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4337 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4338 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4339 sdl_libs=$("${SDL_CONFIG}" --libs)
4340 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4341 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4342 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4346 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4348 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4349 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4350 perl --version > /dev/null 2>&1 && enable perl || disable perl
4351 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4352 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4354 check_header linux/fb.h
4355 check_header linux/videodev.h
4356 check_header linux/videodev2.h
4357 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4359 check_header sys/videoio.h
4361 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4362 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4363 # w32api 3.12 had it defined wrong
4364 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4366 check_type "dshow.h" IBaseFilter
4368 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4369 { check_header dev/bktr/ioctl_meteor.h &&
4370 check_header dev/bktr/ioctl_bt848.h; } ||
4371 { check_header machine/ioctl_meteor.h &&
4372 check_header machine/ioctl_bt848.h; } ||
4373 { check_header dev/video/meteor/ioctl_meteor.h &&
4374 check_header dev/video/bktr/ioctl_bt848.h; } ||
4375 check_header dev/ic/bt8xx.h
4377 check_header sndio.h
4378 if check_struct sys/soundcard.h audio_buf_info bytes; then
4379 enable_safe sys/soundcard.h
4381 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4382 #include <sys/soundcard.h>
4386 check_header soundcard.h
4388 enabled_any alsa_indev alsa_outdev &&
4389 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4391 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4392 check_func jack_port_get_latency_range -ljack
4394 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4396 if enabled libcdio; then
4397 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4398 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4399 die "ERROR: libcdio-paranoia not found"
4403 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
4404 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4405 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
4408 check_lib va/va.h vaInitialize -lva ||
4412 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4415 # Funny iconv installations are not unusual, so check it after all flags have been set
4416 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4418 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4420 # add some useful compiler flags if supported
4421 check_cflags -Wdeclaration-after-statement
4423 check_cflags -Wno-parentheses
4424 check_cflags -Wno-switch
4425 check_cflags -Wno-format-zero-length
4426 check_cflags -Wdisabled-optimization
4427 check_cflags -Wpointer-arith
4428 check_cflags -Wredundant-decls
4429 check_cflags -Wno-pointer-sign
4430 check_cflags -Wwrite-strings
4431 check_cflags -Wtype-limits
4432 check_cflags -Wundef
4433 check_cflags -Wmissing-prototypes
4434 check_cflags -Wno-pointer-to-int-cast
4435 check_cflags -Wstrict-prototypes
4436 enabled extra_warnings && check_cflags -Winline
4438 # add some linker flags
4439 check_ldflags -Wl,--warn-common
4440 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4441 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4443 enabled xmm_clobber_test &&
4444 check_ldflags -Wl,--wrap,avcodec_open2 \
4445 -Wl,--wrap,avcodec_decode_audio4 \
4446 -Wl,--wrap,avcodec_decode_video2 \
4447 -Wl,--wrap,avcodec_decode_subtitle2 \
4448 -Wl,--wrap,avcodec_encode_audio2 \
4449 -Wl,--wrap,avcodec_encode_video \
4450 -Wl,--wrap,avcodec_encode_video2 \
4451 -Wl,--wrap,avcodec_encode_subtitle \
4452 -Wl,--wrap,sws_scale ||
4453 disable xmm_clobber_test
4456 if test_ldflags -Wl,--version-script,$TMPV; then
4457 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4458 check_cc <<EOF && enable symver_asm_label
4459 void ff_foo(void) __asm__ ("av_foo@VERSION");
4460 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4462 check_cc <<EOF && enable symver_gnu_asm
4463 __asm__(".symver ff_foo,av_foo@VERSION");
4464 void ff_foo(void) {}
4468 if [ -z "$optflags" ]; then
4469 if enabled small; then
4470 optflags=$cflags_size
4471 elif enabled optimizations; then
4472 optflags=$cflags_speed
4474 optflags=$cflags_noopt
4480 enabled lto && check_ldflags "$@"
4484 if enabled lto; then
4485 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4487 check_ldflags -flto $cpuflags
4490 check_optflags $optflags
4491 check_optflags -fno-math-errno
4492 check_optflags -fno-signed-zeros
4494 enabled ftrapv && check_cflags -ftrapv
4496 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4501 if enabled icc; then
4502 # Just warnings, no remarks
4504 # -wd: Disable following warnings
4505 # 144, 167, 556: -Wno-pointer-sign
4506 # 188: enumerated type mixed with another type
4507 # 1292: attribute "foo" ignored
4508 # 1419: external declaration in primary source file
4509 # 10006: ignoring unknown option -fno-signed-zeros
4510 # 10148: ignoring unknown option -Wno-parentheses
4511 # 10156: ignoring option '-W'; no argument required
4512 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4513 # 11030: Warning unknown option --as-needed
4514 # 10156: ignoring option '-export'; no argument required
4515 check_ldflags -wd10156,11030
4516 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4517 enable ebp_available
4518 if enabled x86_32; then
4519 icc_version=$($cc -dumpversion)
4520 test ${icc_version%%.*} -ge 11 &&
4521 check_cflags -falign-stack=maintain-16-byte ||
4522 disable aligned_stack
4524 elif enabled ccc; then
4525 # disable some annoying warnings
4526 add_cflags -msg_disable bitnotint
4527 add_cflags -msg_disable mixfuncvoid
4528 add_cflags -msg_disable nonstandcast
4529 add_cflags -msg_disable unsupieee
4530 elif enabled gcc; then
4531 check_optflags -fno-tree-vectorize
4532 check_cflags -Werror=implicit-function-declaration
4533 check_cflags -Werror=missing-prototypes
4534 check_cflags -Werror=return-type
4535 check_cflags -Werror=vla
4536 enabled extra_warnings || check_cflags -Wno-maybe-uninitialized
4537 elif enabled llvm_gcc; then
4538 check_cflags -mllvm -stack-alignment=16
4539 elif enabled clang; then
4540 check_cflags -mllvm -stack-alignment=16
4541 check_cflags -Qunused-arguments
4542 check_cflags -Werror=implicit-function-declaration
4543 check_cflags -Werror=missing-prototypes
4544 check_cflags -Werror=return-type
4545 elif enabled cparser; then
4546 add_cflags -Wno-missing-variable-declarations
4547 add_cflags -Wno-empty-statement
4548 elif enabled armcc; then
4549 # 2523: use of inline assembler is deprecated
4550 add_cflags -W${armcc_opt},--diag_suppress=2523
4551 add_cflags -W${armcc_opt},--diag_suppress=1207
4552 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4553 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4554 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4555 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4556 elif enabled tms470; then
4557 add_cflags -pds=824 -pds=837
4558 elif enabled pathscale; then
4559 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4560 elif enabled_any msvc icl; then
4561 enabled x86_32 && disable aligned_stack
4562 enabled_all x86_32 debug && add_cflags -Oy-
4563 enabled debug && add_ldflags -debug
4564 enable pragma_deprecated
4565 if enabled icl; then
4566 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4567 # (correctly) on icl 13.x.
4568 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4569 add_cflags -Qansi-alias
4570 # icl will pass the inline asm tests but inline asm is currently
4571 # not supported (build will fail)
4572 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4579 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4582 add_cppflags -Dmain=plan9_main
4586 enable frame_thread_encoder
4587 enabled_any $THREADS_LIST && enable threads
4588 enabled_any $ATOMICS_LIST && enable atomics_native
4590 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"
4592 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4594 check_deps $CONFIG_LIST \
4600 if test $target_os = "haiku"; then
4602 disable posix_memalign
4605 ! enabled_any memalign posix_memalign aligned_malloc &&
4606 enabled_any $need_memalign && enable memalign_hack
4609 # -> enable ${lib}_deps_${dep}
4610 # -> add $dep to ${lib}_deps only once
4614 enabled "${lib}_deps_${dep}" && return 0
4615 enable "${lib}_deps_${dep}"
4616 prepend "${lib}_deps" $dep
4619 # merge deps lib components
4620 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4625 enabled $comp || continue
4626 eval "dep=\"\$${comp}_deps\""
4633 merge_deps libavfilter $FILTER_LIST
4635 echo "install prefix $prefix"
4636 echo "source path $source_path"
4637 echo "C compiler $cc"
4638 echo "ARCH $arch ($cpu)"
4639 if test "$build_suffix" != ""; then
4640 echo "build suffix $build_suffix"
4642 if test "$progs_suffix" != ""; then
4643 echo "progs suffix $progs_suffix"
4645 if test "$extra_version" != ""; then
4646 echo "version string suffix $extra_version"
4648 echo "big-endian ${bigendian-no}"
4649 echo "runtime cpu detection ${runtime_cpudetect-no}"
4650 if enabled x86; then
4651 echo "${yasmexe} ${yasm-no}"
4652 echo "MMX enabled ${mmx-no}"
4653 echo "MMXEXT enabled ${mmxext-no}"
4654 echo "3DNow! enabled ${amd3dnow-no}"
4655 echo "3DNow! extended enabled ${amd3dnowext-no}"
4656 echo "SSE enabled ${sse-no}"
4657 echo "SSSE3 enabled ${ssse3-no}"
4658 echo "AVX enabled ${avx-no}"
4659 echo "FMA4 enabled ${fma4-no}"
4660 echo "i686 features enabled ${i686-no}"
4661 echo "CMOV is fast ${fast_cmov-no}"
4662 echo "EBX available ${ebx_available-no}"
4663 echo "EBP available ${ebp_available-no}"
4665 if enabled arm; then
4666 echo "ARMv5TE enabled ${armv5te-no}"
4667 echo "ARMv6 enabled ${armv6-no}"
4668 echo "ARMv6T2 enabled ${armv6t2-no}"
4669 echo "VFP enabled ${vfp-no}"
4670 echo "NEON enabled ${neon-no}"
4671 echo "THUMB enabled ${thumb-no}"
4673 if enabled mips; then
4674 echo "MIPS FPU enabled ${mipsfpu-no}"
4675 echo "MIPS32R2 enabled ${mips32r2-no}"
4676 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4677 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4679 if enabled ppc; then
4680 echo "AltiVec enabled ${altivec-no}"
4681 echo "PPC 4xx optimizations ${ppc4xx-no}"
4682 echo "dcbzl available ${dcbzl-no}"
4684 if enabled sparc; then
4685 echo "VIS enabled ${vis-no}"
4687 echo "debug symbols ${debug-no}"
4688 echo "strip symbols ${stripping-no}"
4689 echo "optimize for size ${small-no}"
4690 echo "optimizations ${optimizations-no}"
4691 echo "static ${static-no}"
4692 echo "shared ${shared-no}"
4693 echo "postprocessing support ${postproc-no}"
4694 echo "new filter support ${avfilter-no}"
4695 echo "network support ${network-no}"
4696 echo "threading support ${thread_type-no}"
4697 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4698 echo "SDL support ${sdl-no}"
4699 echo "opencl enabled ${opencl-no}"
4700 echo "libzvbi enabled ${libzvbi-no}"
4701 echo "texi2html enabled ${texi2html-no}"
4702 echo "perl enabled ${perl-no}"
4703 echo "pod2man enabled ${pod2man-no}"
4704 echo "makeinfo enabled ${makeinfo-no}"
4705 test -n "$random_seed" &&
4706 echo "random seed ${random_seed}"
4709 echo "External libraries:"
4710 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4713 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4714 echo "Enabled ${type}s:"
4715 eval list=\$$(toupper $type)_LIST
4716 print_enabled '_*' $list | print_3_columns
4720 license="LGPL version 2.1 or later"
4721 if enabled nonfree; then
4722 license="nonfree and unredistributable"
4723 elif enabled gplv3; then
4724 license="GPL version 3 or later"
4725 elif enabled lgplv3; then
4726 license="LGPL version 3 or later"
4727 elif enabled gpl; then
4728 license="GPL version 2 or later"
4731 echo "License: $license"
4733 echo "Creating config.mak, config.h, and doc/config.texi..."
4735 test -e Makefile || $ln_s "$source_path/Makefile" .
4737 enabled stripping || strip="echo skipping strip"
4739 config_files="$TMPH config.mak doc/config.texi"
4741 cat > config.mak <<EOF
4742 # Automatically generated by configure - do not modify!
4743 ifndef FFMPEG_CONFIG_MAK
4745 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4747 LIBDIR=\$(DESTDIR)$libdir
4748 SHLIBDIR=\$(DESTDIR)$shlibdir
4749 INCDIR=\$(DESTDIR)$incdir
4750 BINDIR=\$(DESTDIR)$bindir
4751 DATADIR=\$(DESTDIR)$datadir
4752 DOCDIR=\$(DESTDIR)$docdir
4753 MANDIR=\$(DESTDIR)$mandir
4754 SRC_PATH=$source_path
4755 ifndef MAIN_MAKEFILE
4756 SRC_PATH:=\$(SRC_PATH:.%=..%)
4765 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4767 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4793 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4794 YASMFLAGS=$YASMFLAGS
4795 BUILDSUF=$build_suffix
4796 PROGSSUF=$progs_suffix
4804 EXTRA_VERSION=$extra_version
4807 CCDEP_FLAGS=$CCDEP_FLAGS
4809 ASDEP_FLAGS=$ASDEP_FLAGS
4810 CC_DEPFLAGS=$CC_DEPFLAGS
4811 AS_DEPFLAGS=$AS_DEPFLAGS
4814 HOSTCFLAGS=$host_cflags
4815 HOSTCPPFLAGS=$host_cppflags
4816 HOSTEXESUF=$HOSTEXESUF
4817 HOSTLDFLAGS=$host_ldflags
4820 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4821 HOSTCCDEP=$HOSTCCDEP
4822 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4823 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4827 TARGET_EXEC=$target_exec $target_exec_args
4828 TARGET_PATH=$target_path
4829 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
4830 LIBS-ffplay=$sdl_libs
4831 CFLAGS-ffplay=$sdl_cflags
4832 ZLIB=$($ldflags_filter -lz)
4833 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4834 EXTRALIBS=$extralibs
4835 COMPAT_OBJS=$compat_objs
4838 LIBTARGET=${LIBTARGET}
4839 SLIBNAME=${SLIBNAME}
4840 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4841 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4842 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4843 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4844 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4845 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4846 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4847 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4848 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4849 NOREDZONE_FLAGS=$noredzone_flags
4854 name=$(toupper $lcname)
4855 file=$source_path/$lcname/version.h
4856 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4857 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4858 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4859 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4860 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4863 map 'get_version $v' $LIBRARY_LIST
4866 /* Automatically generated by configure - do not modify! */
4867 #ifndef FFMPEG_CONFIG_H
4868 #define FFMPEG_CONFIG_H
4869 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4870 #define FFMPEG_LICENSE "$(c_escape $license)"
4871 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4872 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4873 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4874 #define av_restrict $_restrict
4875 #define EXTERN_PREFIX "${extern_prefix}"
4876 #define EXTERN_ASM ${extern_prefix}
4877 #define SLIBSUF "$SLIBSUF"
4878 #define HAVE_MMX2 HAVE_MMXEXT
4881 test -n "$assert_level" &&
4882 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4884 test -n "$malloc_prefix" &&
4885 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4887 if enabled yasm; then
4888 append config_files $TMPASM
4892 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
4896 echo "@c auto-generated by configure" > doc/config.texi
4898 print_config ARCH_ "$config_files" $ARCH_LIST
4899 print_config HAVE_ "$config_files" $HAVE_LIST
4900 print_config CONFIG_ "$config_files" $CONFIG_LIST \
4904 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4905 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4907 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4908 cp_if_changed $TMPH config.h
4911 enabled yasm && cp_if_changed $TMPASM config.asm
4914 /* Generated by ffconf */
4915 #ifndef AVUTIL_AVCONFIG_H
4916 #define AVUTIL_AVCONFIG_H
4919 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4921 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4923 cp_if_changed $TMPH libavutil/avconfig.h
4925 if test -n "$WARNINGS"; then
4926 printf "\n$WARNINGS"
4927 enabled fatal_warnings && exit 1
4930 # build pkg-config files
4932 pkgconfig_generate(){
4934 shortname=${name#lib}${build_suffix}
4939 enabled ${name#lib} || return 0
4941 cat <<EOF > $name/$name${build_suffix}.pc
4943 exec_prefix=\${prefix}
4948 Description: $comment
4950 Requires: $(enabled shared || echo $requires)
4951 Requires.private: $(enabled shared && echo $requires)
4953 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4954 Libs.private: $(enabled shared && echo $libs)
4955 Cflags: -I\${includedir}
4958 mkdir -p doc/examples/pc-uninstalled
4959 includedir=${source_path}
4960 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4961 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4964 libdir=\${pcfiledir}/../../../$name
4965 includedir=${includedir}
4968 Description: $comment
4972 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
4973 Cflags: -I\${includedir}
4977 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4978 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
4979 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
4980 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
4981 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
4982 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
4983 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
4984 lavfi_libs=${lavfi_libs%, }
4986 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
4987 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
4989 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4990 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4991 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
4992 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
4993 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
4994 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4995 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4996 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4997 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4999 fix_ffmpeg_remote(){
5002 fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
5003 if [ "$fixme_remote" != "" ]; then
5005 Outdated domain in git config, the official domain for ffmpeg git is since
5006 November 2011, source.ffmpeg.org, both the old and the new point to the same
5007 repository and server. To update it enter the following commands:
5009 for remote in $fixme_remote; do
5010 echolog "git remote set-url $remote $git_remote_to"
5015 if test -f "$source_path/.git/config"; then
5016 remote_from=git.videolan.org
5017 remote_to=source.ffmpeg.org
5018 fix_ffmpeg_remote git@$remote_from:ffmpeg git@$remote_to:ffmpeg
5019 fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg