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]
90 --enable-rpath use rpath to allow installing libraries in paths
91 not part of the dynamic linker search path
94 --enable-gpl allow use of GPL code, the resulting libs
95 and binaries will be under GPL [no]
96 --enable-version3 upgrade (L)GPL to version 3 [no]
97 --enable-nonfree allow use of nonfree code, the resulting libs
98 and binaries will be unredistributable [no]
100 Configuration options:
101 --disable-static do not build static libraries [no]
102 --enable-shared build shared libraries [no]
103 --enable-small optimize for size instead of speed
104 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
105 --enable-gray enable full grayscale support (slower color)
106 --disable-swscale-alpha disable alpha channel support in swscale
107 --disable-all disable building components, libraries and programs
108 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
109 --enable-incompatible-fork-abi enable incompatible Libav fork ABI (deprecated) [no]
112 --disable-programs do not build command line programs
113 --disable-ffmpeg disable ffmpeg build
114 --disable-ffplay disable ffplay build
115 --disable-ffprobe disable ffprobe build
116 --disable-ffserver disable ffserver build
118 Documentation options:
119 --disable-doc do not build documentation
120 --disable-htmlpages do not build HTML documentation pages
121 --disable-manpages do not build man documentation pages
122 --disable-podpages do not build POD documentation pages
123 --disable-txtpages do not build text documentation pages
126 --disable-avdevice disable libavdevice build
127 --disable-avcodec disable libavcodec build
128 --disable-avformat disable libavformat build
129 --disable-avutil disable libavutil build
130 --disable-swresample disable libswresample build
131 --disable-swscale disable libswscale build
132 --disable-postproc disable libpostproc build
133 --disable-avfilter disable libavfilter build
134 --enable-avresample enable libavresample build [no]
135 --disable-pthreads disable pthreads [auto]
136 --disable-w32threads disable Win32 threads [auto]
137 --disable-os2threads disable OS/2 threads [auto]
138 --disable-network disable network support [no]
139 --disable-dct disable DCT code
140 --disable-dwt disable DWT code
141 --disable-error-resilience disable error resilience code
142 --disable-lsp disable LSP code
143 --disable-lzo disable LZO decoder code
144 --disable-mdct disable MDCT code
145 --disable-rdft disable RDFT code
146 --disable-fft disable FFT code
148 Hardware accelerators:
149 --disable-dxva2 disable DXVA2 code [autodetect]
150 --disable-vaapi disable VAAPI code [autodetect]
151 --enable-vda enable VDA code
152 --disable-vdpau disable VDPAU code [autodetect]
154 Individual component options:
155 --disable-everything disable all components listed below
156 --disable-encoder=NAME disable encoder NAME
157 --enable-encoder=NAME enable encoder NAME
158 --disable-encoders disable all encoders
159 --disable-decoder=NAME disable decoder NAME
160 --enable-decoder=NAME enable decoder NAME
161 --disable-decoders disable all decoders
162 --disable-hwaccel=NAME disable hwaccel NAME
163 --enable-hwaccel=NAME enable hwaccel NAME
164 --disable-hwaccels disable all hwaccels
165 --disable-muxer=NAME disable muxer NAME
166 --enable-muxer=NAME enable muxer NAME
167 --disable-muxers disable all muxers
168 --disable-demuxer=NAME disable demuxer NAME
169 --enable-demuxer=NAME enable demuxer NAME
170 --disable-demuxers disable all demuxers
171 --enable-parser=NAME enable parser NAME
172 --disable-parser=NAME disable parser NAME
173 --disable-parsers disable all parsers
174 --enable-bsf=NAME enable bitstream filter NAME
175 --disable-bsf=NAME disable bitstream filter NAME
176 --disable-bsfs disable all bitstream filters
177 --enable-protocol=NAME enable protocol NAME
178 --disable-protocol=NAME disable protocol NAME
179 --disable-protocols disable all protocols
180 --enable-indev=NAME enable input device NAME
181 --disable-indev=NAME disable input device NAME
182 --disable-indevs disable input devices
183 --enable-outdev=NAME enable output device NAME
184 --disable-outdev=NAME disable output device NAME
185 --disable-outdevs disable output devices
186 --disable-devices disable all devices
187 --enable-filter=NAME enable filter NAME
188 --disable-filter=NAME disable filter NAME
189 --disable-filters disable all filters
191 External library support:
192 --enable-avisynth enable reading of AviSynth script files [no]
193 --disable-bzlib disable bzlib [autodetect]
194 --enable-fontconfig enable fontconfig
195 --enable-frei0r enable frei0r video filtering
196 --enable-gnutls enable gnutls [no]
197 --disable-iconv disable iconv [autodetect]
198 --enable-ladspa enable LADSPA audio filtering
199 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
200 --enable-libass enable libass subtitles rendering [no]
201 --enable-libbluray enable BluRay reading using libbluray [no]
202 --enable-libcaca enable textual display using libcaca
203 --enable-libcelt enable CELT decoding via libcelt [no]
204 --enable-libcdio enable audio CD grabbing with libcdio
205 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
207 --enable-libfaac enable AAC encoding via libfaac [no]
208 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
209 --enable-libflite enable flite (voice synthesis) support via libflite [no]
210 --enable-libfreetype enable libfreetype [no]
211 --enable-libgme enable Game Music Emu via libgme [no]
212 --enable-libgsm enable GSM de/encoding via libgsm [no]
213 --enable-libiec61883 enable iec61883 via libiec61883 [no]
214 --enable-libilbc enable iLBC de/encoding via libilbc [no]
215 --enable-libmodplug enable ModPlug via libmodplug [no]
216 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
217 --enable-libnut enable NUT (de)muxing via libnut,
218 native (de)muxer exists [no]
219 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
220 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
221 --enable-libopencv enable video filtering via libopencv [no]
222 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
223 --enable-libopus enable Opus decoding via libopus [no]
224 --enable-libpulse enable Pulseaudio input via libpulse [no]
225 --enable-libquvi enable quvi input via libquvi [no]
226 --enable-librtmp enable RTMP[E] support via librtmp [no]
227 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
228 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
229 --enable-libsoxr enable Include libsoxr resampling [no]
230 --enable-libspeex enable Speex de/encoding via libspeex [no]
231 --enable-libssh enable SFTP protocol via libssh [no]
232 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
233 --enable-libtheora enable Theora encoding via libtheora [no]
234 --enable-libtwolame enable MP2 encoding via libtwolame [no]
235 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
236 --enable-libv4l2 enable libv4l2/v4l-utils [no]
237 --enable-libvidstab enable video stabilization using vid.stab [no]
238 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
239 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
240 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
241 native implementation exists [no]
242 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
243 --enable-libwavpack enable wavpack encoding via libwavpack [no]
244 --enable-libx264 enable H.264 encoding via x264 [no]
245 --enable-libxavs enable AVS encoding via xavs [no]
246 --enable-libxvid enable Xvid encoding via xvidcore,
247 native MPEG-4/Xvid encoder exists [no]
248 --enable-libzmq enable message passing via libzmq [no]
249 --enable-libzvbi enable teletext support via libzvbi [no]
250 --enable-openal enable OpenAL 1.1 capture support [no]
251 --enable-opencl enable OpenCL code
252 --enable-openssl enable openssl [no]
253 --enable-x11grab enable X11 grabbing [no]
254 --disable-zlib disable zlib [autodetect]
256 Advanced options (experts only):
257 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
258 --enable-cross-compile assume a cross-compiler is used
259 --sysroot=PATH root of cross-build tree
260 --sysinclude=PATH location of cross-build system headers
261 --target-os=OS compiler targets OS [$target_os]
262 --target-exec=CMD command to run executables on target
263 --target-path=DIR path to view of build directory on target
264 --target-samples=DIR path to samples directory on target
265 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
266 --toolchain=NAME set tool defaults according to NAME
267 --nm=NM use nm tool NM [$nm_default]
268 --ar=AR use archive tool AR [$ar_default]
269 --as=AS use assembler AS [$as_default]
270 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
271 --cc=CC use C compiler CC [$cc_default]
272 --cxx=CXX use C compiler CXX [$cxx_default]
273 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
274 --ld=LD use linker LD [$ld_default]
275 --host-cc=HOSTCC use host C compiler HOSTCC
276 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
277 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
278 --host-ld=HOSTLD use host linker HOSTLD
279 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
280 --host-libs=HLIBS use libs HLIBS when linking for host
281 --host-os=OS compiler host OS [$target_os]
282 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
283 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
284 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
285 --extra-libs=ELIBS add ELIBS [$ELIBS]
286 --extra-version=STRING version string suffix []
287 --optflags=OPTFLAGS override optimization-related compiler flags
288 --build-suffix=SUFFIX library name suffix []
289 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
290 --progs-suffix=SUFFIX program name suffix []
291 --arch=ARCH select architecture [$arch]
292 --cpu=CPU select the minimum required CPU (affects
293 instruction selection, may crash on older CPUs)
294 --enable-pic build position-independent code
295 --enable-sram allow use of on-chip SRAM
296 --enable-thumb compile for Thumb instruction set
297 --disable-symver disable symbol versioning
298 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
299 --disable-safe-bitstream-reader
300 disable buffer boundary checking in bitreaders
301 (faster, but may crash)
302 --enable-memalign-hack emulate memalign, interferes with memory debuggers
303 --enable-lto use link-time optimization
305 Optimization options (experts only):
306 --disable-asm disable all assembler optimizations
307 --disable-altivec disable AltiVec optimizations
308 --disable-amd3dnow disable 3DNow! optimizations
309 --disable-amd3dnowext disable 3DNow! extended optimizations
310 --disable-mmx disable MMX optimizations
311 --disable-mmxext disable MMXEXT optimizations
312 --disable-sse disable SSE optimizations
313 --disable-sse2 disable SSE2 optimizations
314 --disable-sse3 disable SSE3 optimizations
315 --disable-ssse3 disable SSSE3 optimizations
316 --disable-sse4 disable SSE4 optimizations
317 --disable-sse42 disable SSE4.2 optimizations
318 --disable-avx disable AVX optimizations
319 --disable-fma4 disable FMA4 optimizations
320 --disable-avx2 disable AVX2 optimizations
321 --disable-armv5te disable armv5te optimizations
322 --disable-armv6 disable armv6 optimizations
323 --disable-armv6t2 disable armv6t2 optimizations
324 --disable-vfp disable VFP optimizations
325 --disable-neon disable NEON optimizations
326 --disable-vis disable VIS optimizations
327 --disable-inline-asm disable use of inline assembler
328 --disable-yasm disable use of yasm assembler
329 --disable-mips32r2 disable MIPS32R2 optimizations
330 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
331 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
332 --disable-mipsfpu disable floating point MIPS optimizations
333 --disable-fast-unaligned consider unaligned accesses slow
335 Developer options (useful when working on FFmpeg itself):
336 --disable-debug disable debugging symbols
337 --enable-debug=LEVEL set the debug level [$debuglevel]
338 --disable-optimizations disable compiler optimizations
339 --enable-extra-warnings enable more compiler warnings
340 --disable-stripping disable stripping of executables and shared libraries
341 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
342 2 causes a slowdown at runtime.
343 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
344 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
345 leaks and errors, using the specified valgrind binary.
346 Cannot be combined with --target-exec
347 --enable-ftrapv Trap arithmetic overflows
348 --samples=PATH location of test samples for FATE, if not set use
349 \$FATE_SAMPLES at make invocation time.
350 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
351 should be used only for debugging purposes)
352 --enable-random randomly enable/disable components
354 --enable-random=LIST randomly enable/disable specific components or
355 --disable-random=LIST component groups. LIST is a comma-separated list
356 of NAME[:PROB] entries where NAME is a component
357 (group) and PROB the probability associated with
359 --random-seed=VALUE seed value for --enable/disable-random
361 NOTE: Object files are built at the place where configure is launched.
369 echo "$@" >> $logfile
374 pr -n -t $1 >> $logfile
385 WARNINGS="${WARNINGS}WARNING: $*\n"
392 If you think configure made a mistake, make sure you are using the latest
393 version from Git. If the latest version fails, report the problem to the
394 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
396 if disabled logging; then
398 Rerun configure with logging enabled (do not use --disable-logging), and
399 include the log this produces with your report.
403 Include the log file "$logfile" produced by configure as this will help
410 # Avoid locale weirdness, besides we really just want to translate ASCII.
412 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
416 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
420 echo "$*" | sed 's/["\\]/\\\0/g'
424 v=$(echo "$1" | sed "s/'/'\\\\''/g")
425 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
430 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
437 eval "case $v in $pat) echo $v ;; esac"
445 eval "case $v in $pat) ;; *) echo $v ;; esac"
452 for v; do eval $m; done
458 for v; do echo ${v}${suffix}; done
473 eval : \${$var:=$value}
478 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
484 eval $(sanitize_var_name "$var")='$*'
488 eval echo \$$(sanitize_var_name "$1")
493 eval level=\${${pvar}_level:=0}
494 eval ${pvar}_${level}="\$$pvar"
495 eval ${pvar}_level=$(($level+1))
501 eval level=\${${pvar}_level:-0}
502 test $level = 0 && continue
503 eval level=$(($level-1))
504 eval $pvar="\${${pvar}_${level}}"
505 eval ${pvar}_level=$level
506 eval unset ${pvar}_${level}
528 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
534 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
540 enabled $var && continue
541 eval sel="\$${var}_select"
542 eval sgs="\$${var}_suggest"
546 enable_deep_weak $sgs
558 disabled $var && continue
567 test "${1#!}" = "$1" && op== || op=!=
568 eval test "x\$${1#!}" $op "xyes"
572 test "${1#!}" = "$1" && op== || op=!=
573 eval test "x\$${1#!}" $op "xno"
578 enabled $opt || return 1
584 disabled $opt || return 1
590 enabled $opt && return 0
596 disabled $opt && return 0
603 eval : \${$opt:=\$${opt}_default}
611 [ $var = $value ] && return 0
619 enabled ${cfg}_checking && die "Circular dependency for $cfg."
620 disabled ${cfg}_checking && continue
621 enable ${cfg}_checking
624 eval dep_all="\$${cfg}_deps"
625 eval dep_any="\$${cfg}_deps_any"
626 eval dep_sel="\$${cfg}_select"
627 eval dep_sgs="\$${cfg}_suggest"
628 eval dep_ifa="\$${cfg}_if"
629 eval dep_ifn="\$${cfg}_if_any"
631 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
632 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
633 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
635 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
636 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
637 enabled_all $dep_all || disable $cfg
638 enabled_any $dep_any || disable $cfg
639 disabled_any $dep_sel && disable $cfg
641 if enabled $cfg; then
643 enable_deep_weak $dep_sgs
646 disable ${cfg}_checking
655 for cfg in $allopts; do
656 enabled $cfg || continue
657 eval dep_extralibs="\$${cfg}_extralibs"
658 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
666 map 'eval echo "$v \${$v:-no}"' "$@" |
667 awk "BEGIN { split(\"$files\", files) }
669 c = \"$pfx\" toupper(\$1);
675 if (file ~ /\\.h\$/) {
676 printf(\"#define %s %d\\n\", c, v) >>file;
677 } else if (file ~ /\\.asm\$/) {
678 printf(\"%%define %s %d\\n\", c, v) >>file;
679 } else if (file ~ /\\.mak\$/) {
680 n = -v ? \"\" : \"!\";
681 printf(\"%s%s=yes\\n\", n, c) >>file;
682 } else if (file ~ /\\.texi\$/) {
683 pre = -v ? \"\" : \"@c \";
686 gsub(/_/, \"-\", c2);
687 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
697 enabled $v && printf "%s\n" ${v%$suf};
704 eval "$var=\"\$$var $*\""
710 eval "$var=\"$* \$$var\""
718 append CFLAGS $($cflags_filter "$@")
722 append CXXFLAGS $($cflags_filter "$@")
726 append ASFLAGS $($asflags_filter "$@")
730 append LDFLAGS $($ldflags_filter "$@")
734 prepend extralibs $($ldflags_filter "$@")
738 append host_cppflags "$@"
742 append host_cflags $($host_cflags_filter "$@")
746 append host_ldflags $($host_ldflags_filter "$@")
750 append compat_objs $1
752 map 'add_cppflags -D$v' "$@"
757 "$@" >> $logfile 2>&1
761 eval printf '%s\\n' $CC_O
765 eval printf '%s\\n' $CC_E
772 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
779 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
786 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
790 eval printf '%s\\n' $AS_O
797 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
801 log check_inline_asm "$@"
806 check_cc "$@" <<EOF && enable $name
807 void foo(void){ __asm__ volatile($code); }
813 check_inline_asm ${1}_inline "\"$2\""
814 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
822 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
826 eval printf '%s\\n' $LD_O
833 flags=$(filter_out '-l*|*.so' $@)
834 libs=$(filter '-l*|*.so' $@)
835 check_$type $($cflags_filter $flags) || return
836 flags=$($ldflags_filter $flags)
837 libs=$($ldflags_filter $libs)
838 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
848 for hdr in $headers; do
849 echo "#include <$hdr>"
851 echo "int main(void) { $code; return 0; }"
852 } | check_$check "$@"
856 log check_cppflags "$@"
857 check_cc "$@" <<EOF && append CPPFLAGS "$@"
864 set -- $($cflags_filter "$@")
871 log check_cflags "$@"
872 test_cflags "$@" && add_cflags "$@"
876 log check_cxxflags "$@"
877 set -- $($cflags_filter "$@")
878 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
884 log test_ldflags "$@"
885 check_ld "cc" "$@" <<EOF
886 int main(void){ return 0; }
891 log check_ldflags "$@"
892 test_ldflags "$@" && add_ldflags "$@"
896 log check_header "$@"
900 check_cpp "$@" <<EOF && enable_safe $header
911 check_ld "cc" "$@" <<EOF && enable $func
913 int main(void){ $func(); }
918 log check_mathfunc "$@"
922 test $narg = 2 && args="f, g" || args="f"
924 check_ld "cc" "$@" <<EOF && enable $func
926 float foo(float f, float g) { return $func($args); }
927 int main(void){ return (int) foo; }
931 check_func_headers(){
932 log check_func_headers "$@"
937 for hdr in $headers; do
938 echo "#include <$hdr>"
940 for func in $funcs; do
941 echo "long check_$func(void) { return (long) $func; }"
943 echo "int main(void) { return 0; }"
944 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
947 check_class_headers_cpp(){
948 log check_class_headers_cpp "$@"
953 for hdr in $headers; do
954 echo "#include <$hdr>"
956 echo "int main(void) { "
958 for class in $classes; do
963 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
966 check_cpp_condition(){
967 log check_cpp_condition "$@"
974 #error "unsatisfied condition: $condition"
984 check_header $header && check_func $func "$@" && add_extralibs "$@"
992 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
996 log check_lib_cpp "$@"
1000 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1004 log check_pkg_config "$@"
1009 check_cmd $pkg_config --exists --print-errors $pkg || return
1010 pkg_cflags=$($pkg_config --cflags $pkg)
1011 pkg_libs=$($pkg_config --libs $pkg)
1012 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1013 set_safe ${pkg}_cflags $pkg_cflags &&
1014 set_safe ${pkg}_libs $pkg_libs
1018 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1024 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1025 # are safe but may not be available everywhere. Thus we use
1026 # raise(SIGTERM) instead. The check is run in a subshell so we
1027 # can redirect the "Terminated" message from the shell. SIGBUS
1028 # is not defined by standard C so it is used conditionally.
1030 (check_exec "$@") >> $logfile 2>&1 <<EOF
1032 static void sighandler(int sig){
1038 int (*func_ptr)(void) = foo;
1040 signal(SIGILL, sighandler);
1041 signal(SIGFPE, sighandler);
1042 signal(SIGSEGV, sighandler);
1044 signal(SIGBUS, sighandler);
1056 disable_safe "$type"
1057 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1061 log check_struct "$@"
1066 disable_safe "${struct}_${member}"
1067 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1068 enable_safe "${struct}_${member}"
1072 log check_builtin "$@"
1078 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1086 check_lib $header $func "$@" || die "ERROR: $name not found"
1094 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1102 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1105 require_pkg_config(){
1107 check_pkg_config "$@" || die "ERROR: $pkg not found"
1108 add_cflags $(get_safe ${pkg}_cflags)
1109 add_extralibs $(get_safe ${pkg}_libs)
1113 eval printf '%s\\n' $HOSTCC_O
1117 log check_host_cc "$@"
1120 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1123 check_host_cppflags(){
1124 log check_host_cppflags "$@"
1125 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1130 check_host_cflags(){
1131 log check_host_cflags "$@"
1132 set -- $($host_cflags_filter "$@")
1133 check_host_cc "$@" <<EOF && append host_cflags "$@"
1141 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1145 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1146 mkdir -p "$(dirname $2)"
1150 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1151 # system-dependent things.
1171 EXTERNAL_LIBRARY_LIST="
1272 $EXTERNAL_LIBRARY_LIST
1285 incompatible_libav_abi
1286 incompatible_fork_abi
1297 safe_bitstream_reader
1394 incompatible_libav_abi
1395 incompatible_fork_abi
1428 $(add_suffix _external $ARCH_EXT_LIST)
1429 $(add_suffix _inline $ARCH_EXT_LIST)
1449 cdio_paranoia_paranoia_h
1457 dev_bktr_ioctl_bt848_h
1458 dev_bktr_ioctl_meteor_h
1460 dev_video_bktr_ioctl_bt848_h
1461 dev_video_meteor_ioctl_meteor_h
1477 GetProcessAffinityMask
1478 GetProcessMemoryInfo
1480 GetSystemTimeAsFileTime
1492 jack_port_get_latency_range
1502 machine_ioctl_bt848_h
1503 machine_ioctl_meteor_h
1516 openjpeg_1_5_openjpeg_h
1529 SetConsoleTextAttribute
1538 struct_group_source_req
1539 struct_ip_mreq_source
1542 struct_rusage_ru_maxrss
1543 struct_sctp_event_subscribe
1545 struct_sockaddr_sa_len
1546 struct_sockaddr_storage
1547 struct_stat_st_mtim_tv_nsec
1548 struct_v4l2_frmivalenum_discrete
1551 sync_val_compare_and_swap
1577 # options emitted with CONFIG_ prefix but not available on the command line
1584 frame_thread_encoder
1687 # code dependency declarations
1689 # architecture extensions
1698 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1701 mips32r2_deps="mips"
1702 mipsdspr1_deps="mips"
1703 mipsdspr2_deps="mips"
1711 x86_64_select="i686"
1712 x86_64_suggest="fast_cmov"
1715 amd3dnowext_deps="amd3dnow"
1728 mmx_external_deps="yasm"
1729 mmx_inline_deps="inline_asm"
1730 mmx_suggest="mmx_external mmx_inline"
1732 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1733 eval dep=\$${ext}_deps
1734 eval ${ext}_external_deps='"${dep}_external"'
1735 eval ${ext}_inline_deps='"${dep}_inline"'
1736 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1739 aligned_stack_if_any="ppc x86"
1740 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1741 fast_clz_if_any="alpha avr32 mips ppc x86"
1742 fast_unaligned_if_any="ppc x86"
1744 inline_asm_deps="!tms470"
1745 need_memalign="altivec neon sse"
1747 symver_if_any="symver_asm_label symver_gnu_asm"
1753 error_resilience_select="dsputil"
1754 frame_thread_encoder_deps="encoders threads"
1755 lpc_select="dsputil"
1758 mpegaudio_select="mpegaudiodsp"
1759 mpegaudiodsp_select="dct"
1760 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1761 mpegvideoenc_select="mpegvideo"
1763 # decoders / encoders
1764 aac_decoder_select="mdct sinewin"
1765 aac_encoder_select="audio_frame_queue mdct sinewin"
1766 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1767 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1768 ac3_encoder_select="mdct ac3dsp dsputil"
1769 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1770 aic_decoder_select="dsputil golomb"
1771 alac_encoder_select="lpc"
1772 als_decoder_select="dsputil"
1773 amrnb_decoder_select="lsp"
1774 amrwb_decoder_select="lsp"
1775 amv_decoder_select="dsputil hpeldsp exif"
1776 amv_encoder_select="aandcttables"
1777 ape_decoder_select="dsputil"
1778 asv1_decoder_select="dsputil"
1779 asv1_encoder_select="dsputil"
1780 asv2_decoder_select="dsputil"
1781 asv2_encoder_select="dsputil"
1782 atrac1_decoder_select="mdct sinewin"
1783 atrac3_decoder_select="mdct"
1784 avrn_decoder_select="exif"
1785 bink_decoder_select="dsputil hpeldsp"
1786 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1787 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1788 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1789 cllc_decoder_select="dsputil"
1790 comfortnoise_encoder_select="lpc"
1791 cook_decoder_select="dsputil mdct sinewin"
1792 cscd_decoder_select="lzo"
1793 cscd_decoder_suggest="zlib"
1794 dca_decoder_select="mdct"
1795 dirac_decoder_select="dsputil dwt golomb videodsp"
1796 dnxhd_decoder_select="dsputil"
1797 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1798 dvvideo_decoder_select="dsputil"
1799 dvvideo_encoder_select="dsputil"
1800 dxa_decoder_select="zlib"
1801 eac3_decoder_select="ac3_decoder"
1802 eac3_encoder_select="ac3_encoder"
1803 eamad_decoder_select="aandcttables dsputil mpegvideo"
1804 eatgq_decoder_select="aandcttables"
1805 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1806 exr_decoder_select="zlib"
1807 ffv1_decoder_select="dsputil golomb rangecoder"
1808 ffv1_encoder_select="dsputil rangecoder"
1809 ffvhuff_decoder_select="dsputil"
1810 ffvhuff_encoder_select="dsputil huffman"
1811 flac_decoder_select="golomb"
1812 flac_encoder_select="dsputil golomb lpc"
1813 flashsv_decoder_select="zlib"
1814 flashsv_encoder_select="zlib"
1815 flashsv2_encoder_select="zlib"
1816 flashsv2_decoder_select="zlib"
1817 flv_decoder_select="h263_decoder"
1818 flv_encoder_select="h263_encoder"
1819 fourxm_decoder_select="dsputil"
1820 fraps_decoder_select="dsputil huffman"
1821 g2m_decoder_select="dsputil zlib"
1822 g729_decoder_select="dsputil"
1823 h261_decoder_select="error_resilience mpegvideo"
1824 h261_encoder_select="aandcttables mpegvideoenc"
1825 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
1826 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1827 h263i_decoder_select="h263_decoder"
1828 h263p_encoder_select="h263_encoder"
1829 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1830 h264_decoder_suggest="error_resilience"
1831 hevc_decoder_select="dsputil golomb videodsp"
1832 huffyuv_decoder_select="dsputil"
1833 huffyuv_encoder_select="dsputil huffman"
1834 iac_decoder_select="dsputil fft mdct sinewin"
1835 imc_decoder_select="dsputil fft mdct sinewin"
1836 indeo3_decoder_select="hpeldsp"
1837 interplay_video_decoder_select="hpeldsp"
1838 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1839 jpegls_encoder_select="golomb"
1840 jv_decoder_select="dsputil"
1841 lagarith_decoder_select="dsputil"
1842 ljpeg_encoder_select="aandcttables mpegvideoenc"
1843 loco_decoder_select="golomb"
1844 mdec_decoder_select="dsputil error_resilience mpegvideo"
1845 metasound_decoder_select="lsp mdct sinewin"
1846 mimic_decoder_select="dsputil hpeldsp"
1847 mjpeg_decoder_select="dsputil hpeldsp exif"
1848 mjpegb_decoder_select="dsputil hpeldsp exif"
1849 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1850 mlp_decoder_select="dsputil mlp_parser"
1851 motionpixels_decoder_select="dsputil"
1852 mp1_decoder_select="mpegaudio"
1853 mp1float_decoder_select="mpegaudio"
1854 mp2_decoder_select="mpegaudio"
1855 mp2float_decoder_select="mpegaudio"
1856 mp3_decoder_select="mpegaudio"
1857 mp3adu_decoder_select="mpegaudio"
1858 mp3adufloat_decoder_select="mpegaudio"
1859 mp3float_decoder_select="mpegaudio"
1860 mp3on4_decoder_select="mpegaudio"
1861 mp3on4float_decoder_select="mpegaudio"
1862 mpc7_decoder_select="dsputil mpegaudiodsp"
1863 mpc8_decoder_select="dsputil mpegaudiodsp"
1864 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1865 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1866 mpeg1video_decoder_select="error_resilience mpegvideo"
1867 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1868 mpeg2video_decoder_select="error_resilience mpegvideo"
1869 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1870 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1871 mpeg4_encoder_select="h263_encoder"
1872 msmpeg4v1_decoder_select="h263_decoder"
1873 msmpeg4v2_decoder_select="h263_decoder"
1874 msmpeg4v2_encoder_select="h263_encoder"
1875 msmpeg4v3_decoder_select="h263_decoder"
1876 msmpeg4v3_encoder_select="h263_encoder"
1877 mss2_decoder_select="error_resilience vc1_decoder"
1878 mxpeg_decoder_select="dsputil hpeldsp exif"
1879 nellymoser_decoder_select="mdct sinewin"
1880 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1881 nuv_decoder_select="dsputil lzo"
1882 png_decoder_select="zlib"
1883 png_encoder_select="dsputil zlib"
1884 prores_decoder_select="dsputil"
1885 prores_encoder_select="dsputil"
1886 qcelp_decoder_select="lsp"
1887 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1888 ra_144_encoder_select="audio_frame_queue lpc"
1889 ralf_decoder_select="golomb"
1890 rtjpeg_decoder_select="dsputil"
1891 rv10_decoder_select="error_resilience h263_decoder h263dsp"
1892 rv10_encoder_select="h263_encoder"
1893 rv20_decoder_select="error_resilience h263_decoder h263dsp"
1894 rv20_encoder_select="h263_encoder"
1895 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1896 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1897 shorten_decoder_select="golomb"
1898 sipr_decoder_select="lsp"
1899 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1900 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1901 sonic_decoder_select="golomb"
1902 sonic_encoder_select="golomb"
1903 sonic_ls_encoder_select="golomb"
1904 sp5x_decoder_select="dsputil hpeldsp exif"
1905 svq1_decoder_select="hpeldsp"
1906 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1907 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1908 svq3_decoder_suggest="error_resilience zlib"
1909 tak_decoder_select="dsputil"
1910 theora_decoder_select="vp3_decoder"
1911 tiff_decoder_suggest="zlib"
1912 tiff_encoder_suggest="zlib"
1913 thp_decoder_select="dsputil hpeldsp exif"
1914 truehd_decoder_select="mlp_parser"
1915 truemotion2_decoder_select="dsputil"
1916 truespeech_decoder_select="dsputil"
1917 tscc_decoder_select="zlib"
1918 twinvq_decoder_select="mdct lsp sinewin"
1919 utvideo_decoder_select="dsputil"
1920 utvideo_encoder_select="dsputil huffman"
1921 vble_decoder_select="dsputil"
1922 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1923 vc1image_decoder_select="vc1_decoder"
1924 vorbis_decoder_select="mdct"
1925 vorbis_encoder_select="mdct"
1926 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1927 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1928 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1929 vp6a_decoder_select="vp6_decoder"
1930 vp6f_decoder_select="vp6_decoder"
1931 vp8_decoder_select="h264pred videodsp"
1932 vp9_decoder_select="videodsp"
1933 webp_decoder_select="vp8_decoder"
1934 wmapro_decoder_select="mdct sinewin"
1935 wmav1_decoder_select="mdct sinewin"
1936 wmav1_encoder_select="mdct sinewin"
1937 wmav2_decoder_select="mdct sinewin"
1938 wmav2_encoder_select="mdct sinewin"
1939 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1940 wmv1_decoder_select="h263_decoder"
1941 wmv1_encoder_select="h263_encoder"
1942 wmv2_decoder_select="h263_decoder videodsp"
1943 wmv2_encoder_select="h263_encoder"
1944 wmv3_decoder_select="vc1_decoder"
1945 wmv3image_decoder_select="wmv3_decoder"
1946 zerocodec_decoder_select="zlib"
1947 zlib_decoder_select="zlib"
1948 zlib_encoder_select="zlib"
1949 zmbv_decoder_select="zlib"
1950 zmbv_encoder_select="zlib"
1952 # hardware accelerators
1953 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1954 dxva2_deps="dxva2api_h"
1955 vaapi_deps="va_va_h"
1956 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1957 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1958 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1960 h263_vaapi_hwaccel_deps="vaapi"
1961 h263_vaapi_hwaccel_select="h263_decoder"
1962 h263_vdpau_hwaccel_deps="vdpau"
1963 h263_vdpau_hwaccel_select="h263_decoder"
1964 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1965 h264_dxva2_hwaccel_deps="dxva2"
1966 h264_dxva2_hwaccel_select="h264_decoder"
1967 h264_vaapi_hwaccel_deps="vaapi"
1968 h264_vaapi_hwaccel_select="h264_decoder"
1969 h264_vda_decoder_deps="vda"
1970 h264_vda_decoder_select="h264_decoder"
1971 h264_vda_hwaccel_deps="vda"
1972 h264_vda_hwaccel_select="h264_decoder"
1973 h264_vdpau_decoder_deps="vdpau"
1974 h264_vdpau_decoder_select="h264_decoder"
1975 h264_vdpau_hwaccel_deps="vdpau"
1976 h264_vdpau_hwaccel_select="h264_decoder"
1977 mpeg_vdpau_decoder_deps="vdpau"
1978 mpeg_vdpau_decoder_select="mpeg2video_decoder"
1979 mpeg1_vdpau_decoder_deps="vdpau"
1980 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
1981 mpeg1_vdpau_hwaccel_deps="vdpau"
1982 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1983 mpeg2_crystalhd_decoder_select="crystalhd"
1984 mpeg2_dxva2_hwaccel_deps="dxva2"
1985 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1986 mpeg2_vaapi_hwaccel_deps="vaapi"
1987 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1988 mpeg2_vdpau_hwaccel_deps="vdpau"
1989 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1990 mpeg4_crystalhd_decoder_select="crystalhd"
1991 mpeg4_vaapi_hwaccel_deps="vaapi"
1992 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1993 mpeg4_vdpau_decoder_deps="vdpau"
1994 mpeg4_vdpau_decoder_select="mpeg4_decoder"
1995 mpeg4_vdpau_hwaccel_deps="vdpau"
1996 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1997 msmpeg4_crystalhd_decoder_select="crystalhd"
1998 vc1_crystalhd_decoder_select="crystalhd"
1999 vc1_dxva2_hwaccel_deps="dxva2"
2000 vc1_dxva2_hwaccel_select="vc1_decoder"
2001 vc1_vaapi_hwaccel_deps="vaapi"
2002 vc1_vaapi_hwaccel_select="vc1_decoder"
2003 vc1_vdpau_decoder_deps="vdpau"
2004 vc1_vdpau_decoder_select="vc1_decoder"
2005 vc1_vdpau_hwaccel_deps="vdpau"
2006 vc1_vdpau_hwaccel_select="vc1_decoder"
2007 wmv3_crystalhd_decoder_select="crystalhd"
2008 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2009 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2010 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2011 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2014 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
2015 hevc_parser_select="hevc_decoder"
2016 mpeg4video_parser_select="error_resilience mpegvideo"
2017 mpegvideo_parser_select="error_resilience mpegvideo"
2018 vc1_parser_select="mpegvideo"
2020 # external libraries
2021 libaacplus_encoder_deps="libaacplus"
2022 libcelt_decoder_deps="libcelt"
2023 libfaac_encoder_deps="libfaac"
2024 libfaac_encoder_select="audio_frame_queue"
2025 libfdk_aac_decoder_deps="libfdk_aac"
2026 libfdk_aac_encoder_deps="libfdk_aac"
2027 libfdk_aac_encoder_select="audio_frame_queue"
2028 libgme_demuxer_deps="libgme"
2029 libgsm_decoder_deps="libgsm"
2030 libgsm_encoder_deps="libgsm"
2031 libgsm_ms_decoder_deps="libgsm"
2032 libgsm_ms_encoder_deps="libgsm"
2033 libilbc_decoder_deps="libilbc"
2034 libilbc_encoder_deps="libilbc"
2035 libmodplug_demuxer_deps="libmodplug"
2036 libmp3lame_encoder_deps="libmp3lame"
2037 libmp3lame_encoder_select="audio_frame_queue"
2038 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2039 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2040 libopencore_amrnb_encoder_select="audio_frame_queue"
2041 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2042 libopenjpeg_decoder_deps="libopenjpeg"
2043 libopenjpeg_encoder_deps="libopenjpeg"
2044 libopus_decoder_deps="libopus"
2045 libopus_encoder_deps="libopus"
2046 libopus_encoder_select="audio_frame_queue"
2047 libquvi_demuxer_deps="libquvi"
2048 libschroedinger_decoder_deps="libschroedinger"
2049 libschroedinger_encoder_deps="libschroedinger"
2050 libshine_encoder_deps="libshine"
2051 libshine_encoder_select="audio_frame_queue"
2052 libspeex_decoder_deps="libspeex"
2053 libspeex_encoder_deps="libspeex"
2054 libspeex_encoder_select="audio_frame_queue"
2055 libstagefright_h264_decoder_deps="libstagefright_h264"
2056 libtheora_encoder_deps="libtheora"
2057 libtwolame_encoder_deps="libtwolame"
2058 libvo_aacenc_encoder_deps="libvo_aacenc"
2059 libvo_aacenc_encoder_select="audio_frame_queue"
2060 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2061 libvorbis_decoder_deps="libvorbis"
2062 libvorbis_encoder_deps="libvorbis"
2063 libvorbis_encoder_select="audio_frame_queue"
2064 libvpx_vp8_decoder_deps="libvpx"
2065 libvpx_vp8_encoder_deps="libvpx"
2066 libvpx_vp9_decoder_deps="libvpx"
2067 libvpx_vp9_encoder_deps="libvpx"
2068 libwavpack_encoder_deps="libwavpack"
2069 libx264_encoder_deps="libx264"
2070 libx264rgb_encoder_deps="libx264"
2071 libxavs_encoder_deps="libxavs"
2072 libxvid_encoder_deps="libxvid"
2073 libutvideo_decoder_deps="libutvideo"
2074 libutvideo_encoder_deps="libutvideo"
2075 libzvbi_teletext_decoder_deps="libzvbi"
2078 ac3_demuxer_select="ac3_parser"
2079 asf_demuxer_select="riffdec"
2080 asf_muxer_select="riffenc"
2081 asf_stream_muxer_select="asf_muxer"
2082 avi_demuxer_select="riffdec"
2083 avi_muxer_select="riffenc"
2084 avisynth_demuxer_deps="avisynth"
2085 avisynth_demuxer_select="riffdec"
2086 caf_demuxer_select="riffdec"
2087 dirac_demuxer_select="dirac_parser"
2088 dts_demuxer_select="dca_parser"
2089 dtshd_demuxer_select="dca_parser"
2090 dxa_demuxer_select="riffdec"
2091 eac3_demuxer_select="ac3_parser"
2092 f4v_muxer_select="mov_muxer"
2093 flac_demuxer_select="flac_parser"
2094 hds_muxer_select="flv_muxer"
2095 hls_muxer_select="mpegts_muxer"
2096 ipod_muxer_select="mov_muxer"
2097 ismv_muxer_select="mov_muxer"
2098 libnut_demuxer_deps="libnut"
2099 libnut_muxer_deps="libnut"
2100 matroska_audio_muxer_select="matroska_muxer"
2101 matroska_demuxer_select="riffdec"
2102 matroska_demuxer_suggest="bzlib lzo zlib"
2103 matroska_muxer_select="riffenc"
2104 mmf_muxer_select="riffenc"
2105 mov_demuxer_select="riffdec"
2106 mov_demuxer_suggest="zlib"
2107 mov_muxer_select="riffenc rtpenc_chain"
2108 mp3_demuxer_select="mpegaudio_parser"
2109 mp4_muxer_select="mov_muxer"
2110 mpegts_muxer_select="adts_muxer latm_muxer"
2111 mpegtsraw_demuxer_select="mpegts_demuxer"
2112 mxf_d10_muxer_select="mxf_muxer"
2113 nut_muxer_select="riffenc"
2114 nuv_demuxer_select="riffdec"
2115 ogg_demuxer_select="golomb"
2116 psp_muxer_select="mov_muxer"
2117 rtp_demuxer_select="sdp_demuxer"
2118 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2119 rtsp_demuxer_select="http_protocol rtpdec"
2120 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2121 sap_demuxer_select="sdp_demuxer"
2122 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2123 sdp_demuxer_select="rtpdec"
2124 smoothstreaming_muxer_select="ismv_muxer"
2125 spdif_muxer_select="aac_parser"
2126 tak_demuxer_select="tak_parser"
2127 tg2_muxer_select="mov_muxer"
2128 tgp_muxer_select="mov_muxer"
2129 vobsub_demuxer_select="mpegps_demuxer"
2130 w64_demuxer_select="wav_demuxer"
2131 w64_muxer_select="wav_muxer"
2132 wav_demuxer_select="riffdec"
2133 wav_muxer_select="riffenc"
2134 webm_muxer_select="riffenc"
2135 wtv_demuxer_select="riffdec"
2136 xmv_demuxer_select="riffdec"
2137 xwma_demuxer_select="riffdec"
2140 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2141 alsa_outdev_deps="alsa_asoundlib_h"
2142 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2143 caca_outdev_deps="libcaca"
2144 dshow_indev_deps="IBaseFilter"
2145 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2146 dv1394_indev_deps="dv1394"
2147 dv1394_indev_select="dv_demuxer"
2148 fbdev_indev_deps="linux_fb_h"
2149 fbdev_outdev_deps="linux_fb_h"
2150 iec61883_indev_deps="libiec61883"
2151 jack_indev_deps="jack_jack_h sem_timedwait"
2152 lavfi_indev_deps="avfilter"
2153 libcdio_indev_deps="libcdio"
2154 libdc1394_indev_deps="libdc1394"
2155 libv4l2_indev_deps="libv4l2"
2156 openal_indev_deps="openal"
2157 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2158 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2159 pulse_indev_deps="libpulse"
2160 pulse_outdev_deps="libpulse"
2161 sdl_outdev_deps="sdl"
2162 sndio_indev_deps="sndio_h"
2163 sndio_outdev_deps="sndio_h"
2164 v4l_indev_deps="linux_videodev_h"
2165 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2166 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2167 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2168 vfwcap_indev_extralibs="-lavicap32"
2169 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2170 xv_outdev_extralibs="-lXv -lX11 -lXext"
2171 x11grab_indev_deps="x11grab"
2174 bluray_protocol_deps="libbluray"
2175 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2176 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2177 ffrtmpcrypt_protocol_select="tcp_protocol"
2178 ffrtmphttp_protocol_deps="!librtmp_protocol"
2179 ffrtmphttp_protocol_select="http_protocol"
2180 ftp_protocol_select="tcp_protocol"
2181 gopher_protocol_select="network"
2182 httpproxy_protocol_select="tcp_protocol"
2183 http_protocol_select="tcp_protocol"
2184 https_protocol_select="tls_protocol"
2185 librtmp_protocol_deps="librtmp"
2186 librtmpe_protocol_deps="librtmp"
2187 librtmps_protocol_deps="librtmp"
2188 librtmpt_protocol_deps="librtmp"
2189 librtmpte_protocol_deps="librtmp"
2190 libssh_protocol_deps="libssh"
2191 mmsh_protocol_select="http_protocol"
2192 mmst_protocol_select="network"
2193 rtmp_protocol_deps="!librtmp_protocol"
2194 rtmp_protocol_select="tcp_protocol"
2195 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2196 rtmps_protocol_deps="!librtmp_protocol"
2197 rtmps_protocol_select="tls_protocol"
2198 rtmpt_protocol_select="ffrtmphttp_protocol"
2199 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2200 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2201 rtp_protocol_select="udp_protocol"
2202 sctp_protocol_deps="struct_sctp_event_subscribe"
2203 sctp_protocol_select="network"
2204 srtp_protocol_select="rtp_protocol"
2205 tcp_protocol_select="network"
2206 tls_protocol_deps_any="openssl gnutls"
2207 tls_protocol_select="tcp_protocol"
2208 udp_protocol_select="network"
2209 unix_protocol_deps="sys_un_h"
2210 unix_protocol_select="network"
2213 aconvert_filter_deps="swresample"
2214 amovie_filter_deps="avcodec avformat"
2215 aresample_filter_deps="swresample"
2216 ass_filter_deps="libass"
2217 asyncts_filter_deps="avresample"
2218 atempo_filter_deps="avcodec"
2219 atempo_filter_select="rdft"
2220 azmq_filter_deps="libzmq"
2221 blackframe_filter_deps="gpl"
2222 boxblur_filter_deps="gpl"
2223 colormatrix_filter_deps="gpl"
2224 cropdetect_filter_deps="gpl"
2225 dctdnoiz_filter_deps="avcodec"
2226 dctdnoiz_filter_select="fft"
2227 delogo_filter_deps="gpl"
2228 deshake_filter_deps="avcodec"
2229 deshake_filter_select="dsputil"
2230 drawtext_filter_deps="libfreetype"
2231 ebur128_filter_deps="gpl"
2232 flite_filter_deps="libflite"
2233 frei0r_filter_deps="frei0r dlopen"
2234 frei0r_filter_extralibs='$ldl'
2235 frei0r_src_filter_deps="frei0r dlopen"
2236 frei0r_src_filter_extralibs='$ldl'
2237 geq_filter_deps="gpl"
2238 histeq_filter_deps="gpl"
2239 hqdn3d_filter_deps="gpl"
2240 interlace_filter_deps="gpl"
2241 kerndeint_filter_deps="gpl"
2242 ladspa_filter_deps="ladspa dlopen"
2243 mcdeint_filter_deps="avcodec gpl"
2244 movie_filter_deps="avcodec avformat"
2245 mp_filter_deps="gpl avcodec swscale inline_asm"
2246 mpdecimate_filter_deps="gpl avcodec"
2247 mptestsrc_filter_deps="gpl"
2248 negate_filter_deps="lut_filter"
2249 perspective_filter_deps="gpl"
2250 resample_filter_deps="avresample"
2251 ocv_filter_deps="libopencv"
2252 owdenoise_filter_deps="gpl"
2253 pan_filter_deps="swresample"
2254 phase_filter_deps="gpl"
2255 pp_filter_deps="gpl postproc"
2256 pullup_filter_deps="gpl"
2257 removelogo_filter_deps="avcodec avformat swscale"
2258 sab_filter_deps="gpl swscale"
2259 scale_filter_deps="swscale"
2260 smartblur_filter_deps="gpl swscale"
2261 showspectrum_filter_deps="avcodec"
2262 showspectrum_filter_select="rdft"
2263 spp_filter_deps="gpl avcodec"
2264 spp_filter_select="fft"
2265 stereo3d_filter_deps="gpl"
2266 subtitles_filter_deps="avformat avcodec libass"
2267 super2xsai_filter_deps="gpl"
2268 tinterlace_filter_deps="gpl"
2269 vidstabdetect_filter_deps="libvidstab"
2270 vidstabtransform_filter_deps="libvidstab"
2271 yadif_filter_deps="gpl"
2272 pixfmts_super2xsai_test_deps="super2xsai_filter"
2273 tinterlace_merge_test_deps="tinterlace_filter"
2274 tinterlace_pad_test_deps="tinterlace_filter"
2275 zmq_filter_deps="libzmq"
2278 muxing_example_deps="avcodec avformat avutil swscale"
2281 avcodec_deps="avutil"
2282 avdevice_deps="avutil avcodec avformat"
2283 avfilter_deps="avutil"
2284 avformat_deps="avutil avcodec"
2285 avresample_deps="avutil"
2286 postproc_deps="avutil gpl"
2287 swscale_deps="avutil"
2290 ffmpeg_deps="avcodec avfilter avformat swresample"
2291 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2293 setpts_filter trim_filter"
2294 ffplay_deps="avcodec avformat swscale swresample sdl"
2295 ffplay_select="rdft crop_filter"
2296 ffprobe_deps="avcodec avformat"
2297 ffserver_deps="avformat fork sarestart"
2298 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2299 ffserver_extralibs='$ldl'
2302 podpages_deps="perl"
2303 manpages_deps="perl pod2man"
2304 htmlpages_deps="texi2html"
2305 txtpages_deps="makeinfo"
2306 doc_deps_any="manpages htmlpages podpages txtpages"
2308 # default parameters
2310 logfile="config.log"
2312 # installation paths
2313 prefix_default="/usr/local"
2314 bindir_default='${prefix}/bin'
2315 datadir_default='${prefix}/share/ffmpeg'
2316 docdir_default='${prefix}/share/doc/ffmpeg'
2317 incdir_default='${prefix}/include'
2318 libdir_default='${prefix}/lib'
2319 mandir_default='${prefix}/share/man'
2320 shlibdir_default="$libdir_default"
2326 host_cc_default="gcc"
2332 pkg_config_default=pkg-config
2334 strip_default="strip"
2335 yasmexe_default="yasm"
2340 arch_default=$(uname -m)
2344 target_os_default=$(tolower $(uname -s))
2345 host_os=$target_os_default
2347 # configurable options
2348 enable $PROGRAM_LIST
2349 enable $DOCUMENT_LIST
2350 enable $EXAMPLE_LIST
2351 enable $(filter_out avresample $LIBRARY_LIST)
2357 enable optimizations
2358 enable runtime_cpudetect
2359 enable safe_bitstream_reader
2361 enable swscale_alpha
2363 # Enable hwaccels by default.
2364 enable dxva2 vaapi vdpau
2367 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2370 FULLNAME='$(NAME)$(BUILDSUF)'
2371 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2374 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2375 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2376 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2377 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2378 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2379 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2399 host_cflags='-O3 -g'
2400 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2402 host_cflags_filter=echo
2403 host_ldflags_filter=echo
2405 target_path='$(CURDIR)'
2407 # since the object filename is not given with the -MM flag, the compiler
2408 # is only able to print the basename, and we must add the path ourselves
2409 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2413 if test -f configure; then
2416 source_path=$(cd $(dirname "$0"); pwd)
2417 echo "$source_path" | grep -q '[[:blank:]]' &&
2418 die "Out of tree builds are impossible with whitespace in source path."
2419 test -e "$source_path/config.h" &&
2420 die "Out of tree builds are impossible with config.h in source dir."
2427 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2433 file=$source_path/$3
2434 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2437 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2438 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2439 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2440 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2441 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2442 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2443 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2444 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2445 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2446 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2447 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2463 for n in $COMPONENT_LIST; do
2464 v=$(toupper ${n%s})_LIST
2466 eval ${n}_if_any="\$$v"
2469 enable $ARCH_EXT_LIST
2472 echo "Unknown option \"$1\"."
2473 echo "See $0 --help for available options."
2478 cat | tr ' ' '\n' | sort | pr -r -3 -t
2484 echo $* | sed s/$suffix//g | print_3_columns
2496 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2497 echo "prob ${prob:-0.5}"
2505 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2506 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2516 add_extralibs $optval
2519 disable $INDEV_LIST $OUTDEV_LIST
2522 debuglevel="$optval"
2525 disable $PROGRAM_LIST
2527 --disable-everything)
2528 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2531 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2532 disable $LIBRARY_LIST $PROGRAM_LIST doc
2534 --enable-random|--disable-random)
2535 action=${opt%%-random}
2536 do_random ${action#--} $COMPONENT_LIST
2538 --enable-random=*|--disable-random=*)
2539 action=${opt%%-random=*}
2540 do_random ${action#--} $optval
2542 --enable-*=*|--disable-*=*)
2543 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2544 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2545 eval list=\$$(toupper $thing)_LIST
2546 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2547 list=$(filter "$name" $list)
2548 [ "$list" = "" ] && warn "Option $opt did not match anything"
2551 --enable-?*|--disable-?*)
2552 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2553 if is_in $option $COMPONENT_LIST; then
2554 test $action = disable && action=unset
2555 eval $action \$$(toupper ${option%s})_LIST
2556 elif is_in $option $CMDLINE_SELECT; then
2563 NAME="${opt#--list-}"
2564 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2566 eval show_list $NAME \$$(toupper $NAME)_LIST
2568 --help|-h) show_help
2570 --fatal-warnings) enable fatal_warnings
2573 optname="${opt%%=*}"
2574 optname="${optname#--}"
2575 optname=$(echo "$optname" | sed 's/-/_/g')
2576 if is_in $optname $CMDLINE_SET; then
2577 eval $optname='$optval'
2578 elif is_in $optname $CMDLINE_APPEND; then
2579 append $optname "$optval"
2587 disabled logging && logfile=/dev/null
2589 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2592 test -n "$cross_prefix" && enable cross_compile
2594 if enabled cross_compile; then
2595 test -n "$arch" && test -n "$target_os" ||
2596 die "Must specify target arch and OS when cross-compiling"
2599 ar_default="${cross_prefix}${ar_default}"
2600 cc_default="${cross_prefix}${cc_default}"
2601 cxx_default="${cross_prefix}${cxx_default}"
2602 nm_default="${cross_prefix}${nm_default}"
2603 pkg_config_default="${cross_prefix}${pkg_config_default}"
2604 ranlib="${cross_prefix}${ranlib}"
2605 strip_default="${cross_prefix}${strip_default}"
2607 sysinclude_default="${sysroot}/usr/include"
2609 test -n "$valgrind" && toolchain="valgrind-memcheck"
2611 case "$toolchain" in
2614 add_cflags -fsanitize=address
2615 add_ldflags -fsanitize=address
2619 add_cflags -fsanitize=thread -pie
2620 add_ldflags -fsanitize=thread -pie
2624 add_cflags -fsanitize=address
2625 add_ldflags -fsanitize=address
2629 add_cflags -fsanitize=thread -pie -fPIC
2630 add_ldflags -fsanitize=thread -pie -fPIC
2633 target_exec_default=${valgrind:-"valgrind"}
2634 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"
2637 target_exec_default=${valgrind:-"valgrind"}
2638 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2641 # Check whether the current MSVC version needs the C99 converter.
2642 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2643 # support enough of C99 to build ffmpeg. Default to the new
2644 # behaviour if the regexp was unable to match anything, since this
2645 # successfully parses the version number of existing supported
2646 # versions that require the converter (MSVC 2010 and 2012).
2647 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2648 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2651 cc_default="c99wrap cl"
2654 nm_default="dumpbin -symbols"
2656 target_os_default="win32"
2657 # Use a relative path for TMPDIR. This makes sure all the
2658 # ffconf temp files are written with a relative path, avoiding
2659 # issues with msys/win32 path conversion for MSVC parameters
2660 # such as -Fo<file> or -out:<file>.
2666 nm_default="dumpbin -symbols"
2668 target_os_default="win32"
2672 add_cflags -fprofile-arcs -ftest-coverage
2673 add_ldflags -fprofile-arcs -ftest-coverage
2676 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2677 add_ldflags -Wl,-z,relro -Wl,-z,now
2680 die "Unknown toolchain $toolchain"
2684 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2685 enabled cross_compile || host_cc_default=$cc
2688 if ! $pkg_config --version >/dev/null 2>&1; then
2689 warn "$pkg_config not found, library detection may fail."
2695 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2699 EXESUF=$(exesuf $target_os)
2700 HOSTEXESUF=$(exesuf $host_os)
2702 # set temporary file name
2703 : ${TMPDIR:=$TEMPDIR}
2707 if [ -n "$tempprefix" ] ; then
2709 echo $tempprefix.${HOSTNAME}.${UID}
2711 elif ! check_cmd mktemp -u XXXXXX; then
2712 # simple replacement for missing mktemp
2713 # NOT SAFE FOR GENERAL USE
2715 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2720 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2721 (set -C; exec > $tmp) 2>/dev/null ||
2722 die "Unable to create temporary file in $TMPDIR."
2723 append TMPFILES $tmp
2727 trap 'rm -f -- $TMPFILES' EXIT
2732 tmpfile TMPE $EXESUF
2743 # make sure we can execute files in $TMPDIR
2744 cat > $TMPSH 2>> $logfile <<EOF
2747 chmod +x $TMPSH >> $logfile 2>&1
2748 if ! $TMPSH >> $logfile 2>&1; then
2750 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2751 variable to another directory and make sure that it is not mounted noexec.
2753 die "Sanity test failed."
2759 -std=c99) echo -c99 ;;
2760 -mcpu=*) echo -arch ${flag#*=} ;;
2761 -mieee) echo -ieee ;;
2762 -O*|-fast) echo $flag ;;
2763 -fno-math-errno) echo -assume nomath_errno ;;
2765 -Wall) echo -msg_enable level2 ;;
2766 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2767 -Wl,*) echo $flag ;;
2777 -Wno-switch) echo -Wno-switch-enum ;;
2778 -Wno-format-zero-length) ;;
2779 -Wdisabled-optimization) ;;
2780 -Wno-pointer-sign) echo -Wno-other ;;
2786 msvc_common_flags(){
2789 # In addition to specifying certain flags under the compiler
2790 # specific filters, they must be specified here as well or else the
2791 # generic catch all at the bottom will print the original flag.
2795 -fomit-frame-pointer) ;;
2799 -fno-signed-zeros) ;;
2803 -lz) echo zlib.lib ;;
2804 -lavifil32) echo vfw32.lib ;;
2805 -lavicap32) echo vfw32.lib user32.lib ;;
2806 -l*) echo ${flag#-l}.lib ;;
2813 msvc_common_flags "$@"
2816 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2817 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2818 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2826 msvc_common_flags "$@"
2829 # Despite what Intel's documentation says -Wall, which is supported
2830 # on Windows, does enable remarks so disable them here.
2831 -Wall) echo $flag -Qdiag-disable:remark ;;
2832 -std=c99) echo -Qstd=c99 ;;
2840 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2841 -fomit-frame-pointer) echo -Mnoframe ;;
2852 case "${flag#*=}" in
2853 native) echo -xtarget=native ;;
2854 v9|niagara) echo -xarch=sparc ;;
2855 ultrasparc) echo -xarch=sparcvis ;;
2856 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2857 i586|pentium) echo -xchip=pentium ;;
2858 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2859 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2860 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2861 pentium4*) echo -xtarget=pentium4 ;;
2862 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2863 *-sse3) echo -xarch=sse3 ;;
2864 core2) echo -xarch=ssse3 -xchip=core2 ;;
2865 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2866 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2867 amdfam10|barcelona) echo -xtarget=barcelona ;;
2868 bdver*) echo -xarch=avx ;;
2869 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2870 k8|opteron|athlon64|athlon-fx)
2871 echo -xarch=sse2a ;;
2872 athlon*) echo -xarch=pentium_proa ;;
2875 -std=c99) echo -xc99 ;;
2876 -fomit-frame-pointer) echo -xregs=frameptr ;;
2877 -fPIC) echo -KPIC -xcode=pic32 ;;
2878 -W*,*) echo $flag ;;
2879 -f*-*|-W*|-mimpure-text) ;;
2890 case "${flag#*=}" in
2891 armv7-a|cortex-a*) echo -mv=7a8 ;;
2892 armv7-r|cortex-r*) echo -mv=7r4 ;;
2893 armv7-m|cortex-m*) echo -mv=7m3 ;;
2894 armv6*|arm11*) echo -mv=6 ;;
2895 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2897 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2900 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2901 -mfpu=vfp) echo --float_support=vfpv2 ;;
2902 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2903 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2904 -msoft-float) echo --float_support=vfplib ;;
2905 -O[0-3]|-mf=*) echo $flag ;;
2907 -pds=*) echo $flag ;;
2908 -D*|-I*) echo $flag ;;
2909 --gcc|--abi=*) echo $flag ;;
2919 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2920 unset _ld_o _ldflags _ld_lib _ld_path
2921 unset _depflags _DEPCMD _DEPFLAGS
2924 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
2925 true # no-op to avoid reading stdin in following checks
2926 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2928 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2929 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2930 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2933 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2935 gcc_version=$($_cc --version | head -n1)
2936 gcc_basever=$($_cc -dumpversion)
2937 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2938 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2939 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2940 if ! $_cc -dumpversion | grep -q '^2\.'; then
2941 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2945 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2947 _ident=$($_cc --version | head -n1)
2952 elif $_cc -v 2>&1 | grep -q xlc; then
2954 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2956 _cflags_size='-O5 -qcompact'
2957 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2959 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2961 _cflags_speed='-fast'
2963 _flags_filter=ccc_flags
2964 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2965 test -d "$sysroot" || die "No valid sysroot specified."
2967 _ident=$($_cc --vsn | head -n1)
2968 armcc_conf="$PWD/armcc.conf"
2969 $_cc --arm_linux_configure \
2970 --arm_linux_config_file="$armcc_conf" \
2971 --configure_sysroot="$sysroot" \
2972 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2973 die "Error creating armcc configuration file."
2974 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2975 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2976 as_default="${cross_prefix}gcc"
2980 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2982 _ident=$($_cc -version | head -n1 | tr -s ' ')
2983 _flags='--gcc --abi=eabi -me'
2986 _depflags='-ppa -ppd=$(@:.o=.d)'
2987 _cflags_speed='-O3 -mf=5'
2988 _cflags_size='-O3 -mf=2'
2989 _flags_filter=tms470_flags
2990 elif $_cc -v 2>&1 | grep -q clang; then
2992 _ident=$($_cc --version | head -n1)
2996 elif $_cc -V 2>&1 | grep -q Sun; then
2998 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2999 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3000 _DEPFLAGS='-xM1 -xc99'
3003 _cflags_size='-O5 -xspace'
3004 _flags_filter=suncc_flags
3005 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3007 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3008 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3011 _flags_filter='filter_out -Wdisabled-optimization'
3012 elif $_cc -v 2>&1 | grep -q Open64; then
3014 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3015 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3018 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3019 elif $_cc -V 2>&1 | grep -q Portland; then
3021 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3022 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3023 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3024 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3026 _flags_filter=pgi_flags
3027 elif $_cc 2>&1 | grep -q Microsoft; then
3029 _ident=$($cc 2>&1 | head -n1)
3030 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3031 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3034 if $_cc 2>&1 | grep -q Linker; then
3041 _flags_filter=msvc_flags
3043 _ld_path='-libpath:'
3045 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3046 if [ $pfx = hostcc ]; then
3047 append _cflags -Dsnprintf=_snprintf
3050 elif $_cc 2>&1 | grep -q Intel; then
3052 _ident=$($cc 2>&1 | head -n1)
3053 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3054 # Not only is O3 broken on 13.x+ but it is slower on all previous
3055 # versions (tested) as well.
3057 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3058 if $_cc 2>&1 | grep -q Linker; then
3065 _flags_filter=icl_flags
3067 _ld_path='-libpath:'
3068 # -Qdiag-error to make icl error when seeing certain unknown arguments
3069 _flags='-nologo -Qdiag-error:4044,10157'
3070 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3071 # with MSVC which enables it by default.
3072 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3073 if [ $pfx = hostcc ]; then
3074 append _cflags -Dsnprintf=_snprintf
3076 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3078 _ident=$($_cc --version | head -n1)
3082 _flags_filter=cparser_flags
3085 eval ${pfx}_type=\$_type
3086 eval ${pfx}_ident=\$_ident
3090 eval ${1}_C=\${_cc_c-\${${1}_C}}
3091 eval ${1}_E=\${_cc_e-\${${1}_E}}
3092 eval ${1}_O=\${_cc_o-\${${1}_O}}
3094 if [ -n "$_depflags" ]; then
3095 eval ${1}_DEPFLAGS=\$_depflags
3097 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3098 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3099 eval DEP${1}FLAGS=\$_flags
3104 cflags_filter=$_flags_filter
3105 cflags_speed=$_cflags_speed
3106 cflags_size=$_cflags_size
3107 cflags_noopt=$_cflags_noopt
3108 add_cflags $_flags $_cflags
3109 cc_ldflags=$_ldflags
3112 probe_cc hostcc "$host_cc"
3113 host_cflags_filter=$_flags_filter
3114 add_host_cflags $_flags $_cflags
3117 test -n "$cc_type" && enable $cc_type ||
3118 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3120 : ${as_default:=$cc}
3121 : ${dep_cc_default:=$cc}
3122 : ${ld_default:=$cc}
3123 : ${host_ld_default:=$host_cc}
3124 set_default ar as dep_cc ld host_ld
3127 asflags_filter=$_flags_filter
3128 add_asflags $_flags $_cflags
3132 ldflags_filter=$_flags_filter
3133 add_ldflags $_flags $_ldflags
3134 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3136 LD_LIB=${_ld_lib-$LD_LIB}
3137 LD_PATH=${_ld_path-$LD_PATH}
3139 probe_cc hostld "$host_ld"
3140 host_ldflags_filter=$_flags_filter
3141 add_host_ldflags $_flags $_ldflags
3142 HOSTLD_O=${_ld_o-$HOSTLD_O}
3144 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3145 probe_cc depcc "$dep_cc"
3146 CCDEP=${_DEPCMD:-$DEPCMD}
3147 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3151 if $ar 2>&1 | grep -q Microsoft; then
3154 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3157 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3158 arflags='-Xany -r -c'
3165 add_cflags $extra_cflags
3166 add_cxxflags $extra_cxxflags
3167 add_asflags $extra_cflags
3169 if test -n "$sysroot"; then
3172 add_cppflags --sysroot="$sysroot"
3173 add_ldflags --sysroot="$sysroot"
3176 add_cppflags -I"$sysinclude"
3177 add_ldflags --sysroot="$sysroot"
3182 if test "$cpu" = host; then
3183 enabled cross_compile &&
3184 die "--cpu=host makes no sense when cross-compiling."
3189 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3191 s/.*$1=\\([^ ]*\\).*/\\1/
3196 cpu=$(check_native -march || check_native -mcpu)
3200 test "${cpu:-host}" = host &&
3201 die "--cpu=host not supported with compiler $cc"
3204 # Deal with common $arch aliases
3218 "Power Macintosh"|ppc*|powerpc*)
3233 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3238 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3241 # Add processor-specific flags
3242 if enabled aarch64; then
3246 cpuflags="-march=$cpu"
3249 cpuflags="-mcpu=$cpu"
3253 elif enabled alpha; then
3255 cpuflags="-mcpu=$cpu"
3257 elif enabled arm; then
3260 check_cpp_condition stddef.h \
3261 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3266 if check_arm_arch 4; then echo armv4;
3267 elif check_arm_arch 4T; then echo armv4t;
3268 elif check_arm_arch 5; then echo armv5;
3269 elif check_arm_arch 5E; then echo armv5e;
3270 elif check_arm_arch 5T; then echo armv5t;
3271 elif check_arm_arch 5TE; then echo armv5te;
3272 elif check_arm_arch 5TEJ; then echo armv5te;
3273 elif check_arm_arch 6; then echo armv6;
3274 elif check_arm_arch 6J; then echo armv6j;
3275 elif check_arm_arch 6K; then echo armv6k;
3276 elif check_arm_arch 6Z; then echo armv6z;
3277 elif check_arm_arch 6ZK; then echo armv6zk;
3278 elif check_arm_arch 6T2; then echo armv6t2;
3279 elif check_arm_arch 7; then echo armv7;
3280 elif check_arm_arch 7A 7_A; then echo armv7-a;
3281 elif check_arm_arch 7R 7_R; then echo armv7-r;
3282 elif check_arm_arch 7M 7_M; then echo armv7-m;
3283 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3284 elif check_arm_arch 8A 8_A; then echo armv8-a;
3288 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3292 cpuflags="-march=$cpu"
3293 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3296 cpuflags="-mcpu=$cpu"
3298 cortex-a*) subarch=armv7a ;;
3299 cortex-r*) subarch=armv7r ;;
3300 cortex-m*) enable thumb; subarch=armv7m ;;
3301 arm11*) subarch=armv6 ;;
3302 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3303 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3304 *) subarch=$(probe_arm_arch) ;;
3310 armv5t*) enable fast_clz ;;
3311 armv[6-8]*) enable fast_clz fast_unaligned ;;
3314 elif enabled avr32; then
3319 cpuflags="-mpart=$cpu"
3323 cpuflags="-march=$cpu"
3327 cpuflags="-mcpu=$cpu"
3331 cpuflags="-march=$cpu"
3335 elif enabled bfin; then
3337 cpuflags="-mcpu=$cpu"
3339 elif enabled mips; then
3341 cpuflags="-march=$cpu"
3357 24kef*|34kf*|1004kf*)
3365 elif enabled ppc; then
3367 case $(tolower $cpu) in
3368 601|ppc601|powerpc601)
3369 cpuflags="-mcpu=601"
3372 603*|ppc603*|powerpc603*)
3373 cpuflags="-mcpu=603"
3376 604*|ppc604*|powerpc604*)
3377 cpuflags="-mcpu=604"
3380 g3|75*|ppc75*|powerpc75*)
3381 cpuflags="-mcpu=750"
3384 g4|745*|ppc745*|powerpc745*)
3385 cpuflags="-mcpu=7450"
3387 74*|ppc74*|powerpc74*)
3388 cpuflags="-mcpu=7400"
3390 g5|970|ppc970|powerpc970)
3391 cpuflags="-mcpu=970"
3394 cpuflags="-mcpu=$cpu"
3397 cpuflags="-mcpu=cell"
3401 cpuflags="-mcpu=e500mc"
3405 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3409 cpuflags="-mcpu=8540 -mhard-float"
3414 elif enabled sparc; then
3417 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3418 cpuflags="-mcpu=$cpu"
3421 ultrasparc*|niagara[234])
3422 cpuflags="-mcpu=$cpu"
3426 elif enabled x86; then
3430 cpuflags="-march=$cpu"
3433 # targets that do NOT support nopl and conditional mov (cmov)
3434 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3435 cpuflags="-march=$cpu"
3438 # targets that do support nopl and conditional mov (cmov)
3439 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*)
3440 cpuflags="-march=$cpu"
3444 # targets that do support conditional mov but on which it's slow
3445 pentium4|pentium4m|prescott|nocona)
3446 cpuflags="-march=$cpu"
3454 if [ "$cpu" != generic ]; then
3455 add_cflags $cpuflags
3456 add_asflags $cpuflags
3459 # compiler sanity check
3461 int main(void){ return 0; }
3463 if test "$?" != 0; then
3464 echo "$cc is unable to create an executable file."
3465 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3466 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3467 echo "Only do this if you know what cross compiling means."
3469 die "C compiler test failed."
3472 add_cppflags -D_ISOC99_SOURCE
3473 add_cxxflags -D__STDC_CONSTANT_MACROS
3474 check_cflags -std=c99
3475 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3478 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3482 check_host_cflags -std=c99
3483 check_host_cflags -Wall
3489 check_code cc "" "int test[2*($expr) - 1]" &&
3490 subarch=$arch64 || subarch=$arch32
3498 check_64bit mips mips64 '_MIPS_SIM > 1'
3502 check_64bit parisc parisc64 'sizeof(void *) > 4'
3506 check_64bit ppc ppc64 'sizeof(void *) > 4'
3510 check_64bit sparc sparc64 'sizeof(void *) > 4'
3514 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3515 if test "$subarch" = "x86_64"; then
3520 check_cc <<EOF && subarch="ppc64"
3521 int test[(int)sizeof(char*) - 7];
3527 enabled spic && enable_weak pic
3533 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3534 enabled shared && add_ldflags -Wl,-brtl
3537 prefix_default="/boot/common"
3538 network_extralibs="-lnetwork"
3542 SHFLAGS='-shared -Wl,-h,$$(@F)'
3543 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3544 network_extralibs="-lsocket -lnsl"
3545 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3546 # When using suncc to build, the Solaris linker will mark
3547 # an executable with each instruction set encountered by
3548 # the Solaris assembler. As our libraries contain their own
3549 # guards for processor-specific code, instead suppress
3550 # generation of the HWCAPS ELF section on Solaris x86 only.
3551 enabled_all suncc x86 &&
3552 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3553 add_ldflags -Wl,-M,mapfile
3554 nm_default='nm -P -g'
3558 oss_indev_extralibs="-lossaudio"
3559 oss_outdev_extralibs="-lossaudio"
3560 enabled gcc || check_ldflags -Wl,-zmuldefs
3565 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3567 oss_indev_extralibs="-lossaudio"
3568 oss_outdev_extralibs="-lossaudio"
3576 add_extralibs -lpoll -lgnugetopt
3580 gas="gas-preprocessor.pl $cc"
3581 enabled ppc && add_asflags -force_cpusubtype_ALL
3582 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3583 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3585 add_ldflags -Wl,-dynamic,-search_paths_first
3587 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3588 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3590 enabled x86_64 && objformat="macho64"
3591 enabled_any pic shared ||
3592 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3595 if test $target_os = "mingw32ce"; then
3601 if enabled x86_64; then
3602 LIBTARGET="i386:x86-64"
3603 elif enabled arm; then
3606 check_ldflags -Wl,--nxcompat
3607 check_ldflags -Wl,--dynamicbase
3608 shlibdir_default="$bindir_default"
3611 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3612 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3613 dlltool="${cross_prefix}dlltool"
3614 if check_cmd lib.exe -list; then
3615 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3616 if enabled x86_64; then
3619 elif check_cmd $dlltool --version; then
3620 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3622 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3624 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3625 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3626 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3633 if enabled shared; then
3634 # Link to the import library instead of the normal static library
3637 # Cannot build both shared and static libs with MSVC or icl.
3640 shlibdir_default="$bindir_default"
3643 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3644 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3645 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3646 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3648 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3649 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3650 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3657 shlibdir_default="$bindir_default"
3660 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3661 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3662 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3664 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3665 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3669 *-dos|freedos|opendos)
3670 network_extralibs="-lsocket"
3673 add_cppflags -U__STRICT_ANSI__
3680 ranlib="echo ignoring ranlib"
3686 add_cppflags -D_GNU_SOURCE
3687 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3688 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3692 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3693 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3694 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3695 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3696 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3697 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3698 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3699 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3700 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3701 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3702 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3704 enable_weak os2threads
3707 add_cppflags -D_BSD_SOURCE
3712 add_cppflags -D_QNX_SOURCE
3713 network_extralibs="-lsocket"
3718 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3719 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3720 add_ldflags -Wl,--target1-abs,--no-undefined \
3721 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3722 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3723 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3724 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3725 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3728 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3733 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3734 -D_REENTRANT_SOURCE \
3735 -D_RESEARCH_SOURCE \
3738 add_compat strtod.o strtod=avpriv_strtod
3739 network_extralibs='-lbsd'
3740 exeobjs=compat/plan9/main.o
3747 die "Unknown OS '$target_os'."
3751 # determine libc flavour
3753 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3754 if check_cpp_condition features.h "defined __UCLIBC__"; then
3756 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3757 elif check_cpp_condition features.h "defined __GLIBC__"; then
3759 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3760 # MinGW headers can be installed on Cygwin, so check for newlib first.
3761 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3763 add_cppflags -U__STRICT_ANSI__
3764 elif check_header _mingw.h; then
3766 check_cpp_condition _mingw.h \
3767 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3768 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3769 die "ERROR: MinGW runtime version must be >= 3.15."
3770 add_cppflags -U__STRICT_ANSI__
3771 if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3772 __MINGW64_VERSION_MAJOR < 3"; then
3773 add_compat msvcrt/snprintf.o
3774 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3776 add_cppflags -D__USE_MINGW_ANSI_STDIO=1
3778 elif check_func_headers stdlib.h _get_doserrno; then
3780 add_compat strtod.o strtod=avpriv_strtod
3781 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3782 _snprintf=avpriv_snprintf \
3783 vsnprintf=avpriv_vsnprintf
3784 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3785 # 0x601 by default unless something else is set by the user.
3786 # This can easily lead to us detecting functions only present
3787 # in such new versions and producing binaries requiring windows 7.0.
3788 # Therefore explicitly set the default to XP unless the user has
3789 # set something else on the command line.
3790 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
3791 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3793 elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3795 add_compat strtod.o strtod=avpriv_strtod
3798 test -n "$libc_type" && enable $libc_type
3800 # hacks for compiler/libc/os combinations
3802 if enabled_all tms470 glibc; then
3803 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3804 add_cppflags -D__USER_LABEL_PREFIX__=
3805 add_cppflags -D__builtin_memset=memset
3806 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3807 add_cflags -pds=48 # incompatible redefinition of macro
3810 if enabled_all ccc glibc; then
3811 add_ldflags -Wl,-z,now # calls to libots crash without this
3815 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3818 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3820 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3822 set_default $PATHS_LIST
3825 # we need to build at least one lib type
3826 if ! enabled_any static shared; then
3828 At least one library type must be built.
3829 Specify --enable-static to build the static libraries or --enable-shared to
3830 build the shared libraries as well. To only build the shared libraries specify
3831 --disable-static in addition to --enable-shared.
3836 # backward compatibility layer for incompatible_libav/fork_abi
3837 enabled incompatible_fork_abi && enable incompatible_libav_abi
3838 enabled incompatible_libav_abi && enable incompatible_fork_abi
3840 die_license_disabled() {
3841 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3844 die_license_disabled_gpl() {
3845 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3848 die_license_disabled gpl frei0r
3849 die_license_disabled gpl libcdio
3850 die_license_disabled gpl libutvideo
3851 die_license_disabled gpl libvidstab
3852 die_license_disabled gpl libx264
3853 die_license_disabled gpl libxavs
3854 die_license_disabled gpl libxvid
3855 die_license_disabled gpl libzvbi
3856 die_license_disabled gpl x11grab
3858 die_license_disabled nonfree libaacplus
3859 die_license_disabled nonfree libfaac
3860 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3861 enabled gpl && die_license_disabled_gpl nonfree openssl
3863 die_license_disabled version3 libopencore_amrnb
3864 die_license_disabled version3 libopencore_amrwb
3865 die_license_disabled version3 libvo_aacenc
3866 die_license_disabled version3 libvo_amrwbenc
3868 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3870 disabled optimizations || check_cflags -fomit-frame-pointer
3873 disabled pic && return
3876 case "$target_os" in
3886 enabled pic && enable_weak_pic
3888 check_cc <<EOF || die "Symbol mangling check failed."
3891 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3892 extern_prefix=${sym%%ff_extern*}
3894 check_cc <<EOF && enable_weak inline_asm
3895 void foo(void) { __asm__ volatile ("" ::); }
3899 for restrict_keyword in restrict __restrict__ __restrict; do
3900 check_cc <<EOF && _restrict=$restrict_keyword && break
3901 void foo(char * $restrict_keyword p);
3905 check_cc <<EOF && enable pragma_deprecated
3906 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3909 check_cc <<EOF && enable attribute_packed
3910 struct { int x; } __attribute__((packed)) x;
3913 check_cc <<EOF && enable attribute_may_alias
3914 union { int x; } __attribute__((may_alias)) x;
3917 check_cc <<EOF || die "endian test failed"
3918 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3920 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3922 check_inline_asm inline_asm_labels '"1:\n"'
3924 if enabled alpha; then
3928 elif enabled arm; then
3930 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
3931 float func(float a, float b){ return a+b; }
3934 enabled thumb && check_cflags -mthumb || check_cflags -marm
3937 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3939 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3940 case "${cross_prefix:-$cc}" in
3941 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3942 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3943 __asm__ (".eabi_attribute 28, 1");
3944 int main(void) { return 0; }
3947 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3950 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3951 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3952 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3953 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3954 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3955 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3957 [ $target_os = linux ] ||
3958 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3961 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3962 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3964 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
3966 elif enabled mips; then
3968 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3969 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3970 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
3971 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3972 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3973 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3974 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3975 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3976 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
3978 elif enabled parisc; then
3980 if enabled gcc; then
3981 case $($cc -dumpversion) in
3982 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3986 elif enabled ppc; then
3988 enable local_aligned_8 local_aligned_16
3990 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3991 check_inline_asm ibm_asm '"add 0, 0, 0"'
3992 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3993 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3995 # AltiVec flags: The FSF version of GCC differs from the Apple version
3996 if enabled altivec; then
3997 if ! enabled_any pic ppc64; then
4000 check_cflags -maltivec -mabi=altivec &&
4001 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4002 check_cflags -faltivec
4004 # check if our compiler supports Motorola AltiVec C API
4005 check_cc <<EOF || disable altivec
4008 vector signed int v1 = (vector signed int) { 0 };
4009 vector signed int v2 = (vector signed int) { 1 };
4010 v1 = vec_add(v1, v2);
4015 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4018 elif enabled sparc; then
4020 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
4022 elif enabled x86; then
4024 check_builtin rdtsc intrin.h "__rdtsc()"
4025 check_builtin mm_empty mmintrin.h "_mm_empty()"
4027 enable local_aligned_8 local_aligned_16
4029 # check whether EBP is available on x86
4030 # As 'i' is stored on the stack, this program will crash
4031 # if the base pointer is used to access it because the
4032 # base pointer is cleared in the inline assembly code.
4033 check_exec_crash <<EOF && enable ebp_available
4035 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4039 # check whether EBX is available on x86
4040 check_inline_asm ebx_available '""::"b"(0)' &&
4041 check_inline_asm ebx_available '"":::"%ebx"'
4043 # check whether xmm clobbers are supported
4044 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4046 # check whether binutils is new enough to compile SSSE3/MMXEXT
4047 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4048 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4050 if ! disabled_any asm mmx yasm; then
4051 if check_cmd $yasmexe --version; then
4052 enabled x86_64 && yasm_extra="-m amd64"
4053 yasm_debug="-g dwarf2"
4054 elif check_cmd nasm -v; then
4056 yasm_debug="-g -F dwarf"
4057 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4060 YASMFLAGS="-f $objformat $yasm_extra"
4061 enabled pic && append YASMFLAGS "-DPIC"
4062 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4063 case "$objformat" in
4064 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4067 check_yasm "movbe ecx, [5]" && enable yasm ||
4068 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4069 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4070 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4071 check_yasm "CPU amdnop" && enable cpunop
4075 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4082 if enabled asm; then
4084 check_as <<EOF && enable gnu_as || \
4085 $nogas "GNU assembler not found, install gas-preprocessor"
4093 check_ldflags -Wl,--as-needed
4095 if check_func dlopen; then
4097 elif check_func dlopen -ldl; then
4101 if ! disabled network; then
4102 check_type "sys/types.h sys/socket.h" socklen_t
4103 check_type netdb.h "struct addrinfo"
4104 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4105 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4106 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4107 check_type netinet/in.h "struct sockaddr_in6"
4108 check_type poll.h "struct pollfd"
4109 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4110 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4111 check_type netinet/sctp.h "struct sctp_event_subscribe"
4112 check_func getaddrinfo $network_extralibs
4113 check_func getservbyport $network_extralibs
4114 # Prefer arpa/inet.h over winsock2
4115 if check_header arpa/inet.h ; then
4116 check_func closesocket
4117 elif check_header winsock2.h ; then
4118 check_func_headers winsock2.h closesocket -lws2 &&
4119 network_extralibs="-lws2" ||
4120 { check_func_headers winsock2.h closesocket -lws2_32 &&
4121 network_extralibs="-lws2_32"; }
4122 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4123 check_type ws2tcpip.h socklen_t
4124 check_type ws2tcpip.h "struct addrinfo"
4125 check_type ws2tcpip.h "struct group_source_req"
4126 check_type ws2tcpip.h "struct ip_mreq_source"
4127 check_type ws2tcpip.h "struct ipv6_mreq"
4128 check_type winsock2.h "struct pollfd"
4129 check_type ws2tcpip.h "struct sockaddr_in6"
4130 check_type ws2tcpip.h "struct sockaddr_storage"
4131 check_struct winsock2.h "struct sockaddr" sa_len
4137 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4138 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4141 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4144 check_func_headers stdlib.h getenv
4145 check_func gethrtime
4147 check_func getrusage
4148 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4149 check_func gettimeofday
4150 check_func inet_aton $network_extralibs
4152 check_func localtime_r
4153 check_func ${malloc_prefix}memalign && enable memalign
4157 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4158 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4159 check_func setrlimit
4160 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4161 check_func strerror_r
4162 check_func sched_getaffinity
4163 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4164 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4165 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4166 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4167 check_builtin sarestart signal.h "SA_RESTART"
4171 check_func_headers conio.h kbhit
4172 check_func_headers windows.h PeekNamedPipe
4173 check_func_headers io.h setmode
4174 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4175 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4176 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4177 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4178 check_func_headers windows.h GetProcessAffinityMask
4179 check_func_headers windows.h GetProcessTimes
4180 check_func_headers windows.h GetSystemTimeAsFileTime
4181 check_func_headers windows.h MapViewOfFile
4182 check_func_headers windows.h SetConsoleTextAttribute
4183 check_func_headers windows.h Sleep
4184 check_func_headers windows.h VirtualAlloc
4185 check_func_headers glob.h glob
4186 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4188 check_header cl/cl.h
4189 check_header direct.h
4190 check_header dlfcn.h
4192 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4194 check_header libcrystalhd/libcrystalhd_if.h
4195 check_header malloc.h
4197 check_header sys/mman.h
4198 check_header sys/param.h
4199 check_header sys/resource.h
4200 check_header sys/select.h
4201 check_header sys/time.h
4202 check_header sys/un.h
4203 check_header termios.h
4204 check_header unistd.h
4205 check_header vdpau/vdpau.h
4206 check_header vdpau/vdpau_x11.h
4207 check_header VideoDecodeAcceleration/VDADecoder.h
4208 check_header windows.h
4209 check_header X11/extensions/XvMClib.h
4210 check_header asm/types.h
4212 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4213 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4215 if ! disabled w32threads && ! enabled pthreads; then
4216 check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
4219 # check for some common methods of building with pthread support
4220 # do this before the optional library checks as some of them require pthreads
4221 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4223 if check_func pthread_create; then
4225 elif check_func pthread_create -pthread; then
4227 add_extralibs -pthread
4228 elif check_func pthread_create -pthreads; then
4229 add_cflags -pthreads
4230 add_extralibs -pthreads
4231 elif check_func pthread_create -lpthreadGC2; then
4232 add_extralibs -lpthreadGC2
4233 elif ! check_lib pthread.h pthread_create -lpthread; then
4238 for thread in $THREADS_LIST; do
4239 if enabled $thread; then
4240 test -n "$thread_type" &&
4241 die "ERROR: Only one thread type must be selected." ||
4242 thread_type="$thread"
4246 if enabled pthreads; then
4247 check_func pthread_cancel
4250 enabled sync_val_compare_and_swap && enable atomics_gcc
4251 enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
4252 enabled MemoryBarrier && enable atomics_win32
4254 check_lib math.h sin -lm && LIBM="-lm"
4255 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4261 for func in $MATH_FUNCS; do
4262 eval check_mathfunc $func \${${func}_args:-1}
4265 # these are off by default, so fail if requested and not available
4266 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4267 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4268 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4269 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4270 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4271 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4272 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4273 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4274 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4275 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4276 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4277 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4278 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4279 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4280 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4281 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4282 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4283 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"
4284 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4285 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
4286 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4287 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4288 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4289 done || die "ERROR: libgsm not found"; }
4290 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4291 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4292 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4293 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4294 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4295 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4296 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4297 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4298 check_lib openjpeg.h opj_version -lopenjpeg ||
4299 die "ERROR: libopenjpeg not found"; }
4300 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4301 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4302 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4303 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4304 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4305 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4306 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4307 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4308 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4309 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4310 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4311 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4312 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4313 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4314 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4315 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4316 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4317 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4318 enabled libvidstab && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4319 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4320 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4321 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4323 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4324 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4325 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 ||
4326 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4327 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4328 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
4329 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4330 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4331 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4332 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4333 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4334 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4335 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4336 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4337 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4338 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4339 die "ERROR: openal not found"; } &&
4340 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4341 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4342 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4343 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4344 die "ERROR: opencl not found"; } &&
4345 { ! enabled_any w32threads os2threads ||
4346 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4347 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4348 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4349 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4350 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4351 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4352 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4353 die "ERROR: openssl not found"; }
4355 if enabled gnutls; then
4356 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4357 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4361 if enabled libdc1394; then
4362 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4363 enable libdc1394_2; } ||
4364 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4365 enable libdc1394_1; } ||
4366 die "ERROR: No version of libdc1394 found "
4369 SDL_CONFIG="${cross_prefix}sdl-config"
4370 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4371 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4372 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4375 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4376 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4377 sdl_libs=$("${SDL_CONFIG}" --libs)
4378 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4379 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4380 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4384 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4386 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4387 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4388 perl -v > /dev/null 2>&1 && enable perl || disable perl
4389 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4390 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4392 check_header linux/fb.h
4393 check_header linux/videodev.h
4394 check_header linux/videodev2.h
4395 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4397 check_header sys/videoio.h
4399 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4400 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4401 # w32api 3.12 had it defined wrong
4402 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4404 check_type "dshow.h" IBaseFilter
4406 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4407 { check_header dev/bktr/ioctl_meteor.h &&
4408 check_header dev/bktr/ioctl_bt848.h; } ||
4409 { check_header machine/ioctl_meteor.h &&
4410 check_header machine/ioctl_bt848.h; } ||
4411 { check_header dev/video/meteor/ioctl_meteor.h &&
4412 check_header dev/video/bktr/ioctl_bt848.h; } ||
4413 check_header dev/ic/bt8xx.h
4415 check_header sndio.h
4416 if check_struct sys/soundcard.h audio_buf_info bytes; then
4417 enable_safe sys/soundcard.h
4419 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4420 #include <sys/soundcard.h>
4424 check_header soundcard.h
4426 enabled_any alsa_indev alsa_outdev &&
4427 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4429 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4430 check_func jack_port_get_latency_range -ljack
4432 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4434 if enabled libcdio; then
4435 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4436 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4437 die "ERROR: libcdio-paranoia not found"
4440 check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib
4443 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4444 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4445 { enabled xlib || die "ERROR: Xlib not found"; }
4448 check_lib va/va.h vaInitialize -lva ||
4452 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4455 enabled vdpau && enabled xlib &&
4456 check_lib2 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4459 # Funny iconv installations are not unusual, so check it after all flags have been set
4460 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4462 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4464 # add some useful compiler flags if supported
4465 check_cflags -Wdeclaration-after-statement
4467 check_cflags -Wdisabled-optimization
4468 check_cflags -Wpointer-arith
4469 check_cflags -Wredundant-decls
4470 check_cflags -Wwrite-strings
4471 check_cflags -Wtype-limits
4472 check_cflags -Wundef
4473 check_cflags -Wmissing-prototypes
4474 check_cflags -Wno-pointer-to-int-cast
4475 check_cflags -Wstrict-prototypes
4476 enabled extra_warnings && check_cflags -Winline
4478 check_disable_warning(){
4479 warning_flag=-W${1#-Wno-}
4480 test_cflags $warning_flag && add_cflags $1
4483 check_disable_warning -Wno-parentheses
4484 check_disable_warning -Wno-switch
4485 check_disable_warning -Wno-format-zero-length
4486 check_disable_warning -Wno-pointer-sign
4488 # add some linker flags
4489 check_ldflags -Wl,--warn-common
4490 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4491 enabled rpath && add_ldflags -Wl,-rpath=$libdir
4492 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4494 enabled xmm_clobber_test &&
4495 check_ldflags -Wl,--wrap,avcodec_open2 \
4496 -Wl,--wrap,avcodec_decode_audio4 \
4497 -Wl,--wrap,avcodec_decode_video2 \
4498 -Wl,--wrap,avcodec_decode_subtitle2 \
4499 -Wl,--wrap,avcodec_encode_audio2 \
4500 -Wl,--wrap,avcodec_encode_video \
4501 -Wl,--wrap,avcodec_encode_video2 \
4502 -Wl,--wrap,avcodec_encode_subtitle \
4503 -Wl,--wrap,sws_scale ||
4504 disable xmm_clobber_test
4507 if test_ldflags -Wl,--version-script,$TMPV; then
4508 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4509 check_cc <<EOF && enable symver_asm_label
4510 void ff_foo(void) __asm__ ("av_foo@VERSION");
4511 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4513 check_cc <<EOF && enable symver_gnu_asm
4514 __asm__(".symver ff_foo,av_foo@VERSION");
4515 void ff_foo(void) {}
4519 if [ -z "$optflags" ]; then
4520 if enabled small; then
4521 optflags=$cflags_size
4522 elif enabled optimizations; then
4523 optflags=$cflags_speed
4525 optflags=$cflags_noopt
4531 enabled lto && check_ldflags "$@"
4535 if enabled lto; then
4536 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4538 check_ldflags -flto $cpuflags
4541 check_optflags $optflags
4542 check_optflags -fno-math-errno
4543 check_optflags -fno-signed-zeros
4545 enabled ftrapv && check_cflags -ftrapv
4547 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4552 if enabled icc; then
4553 # Just warnings, no remarks
4555 # -wd: Disable following warnings
4556 # 144, 167, 556: -Wno-pointer-sign
4557 # 188: enumerated type mixed with another type
4558 # 1292: attribute "foo" ignored
4559 # 1419: external declaration in primary source file
4560 # 10006: ignoring unknown option -fno-signed-zeros
4561 # 10148: ignoring unknown option -Wno-parentheses
4562 # 10156: ignoring option '-W'; no argument required
4563 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4564 # 11030: Warning unknown option --as-needed
4565 # 10156: ignoring option '-export'; no argument required
4566 check_ldflags -wd10156,11030
4567 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4568 enable ebp_available
4569 if enabled x86_32; then
4570 icc_version=$($cc -dumpversion)
4571 test ${icc_version%%.*} -ge 11 &&
4572 check_cflags -falign-stack=maintain-16-byte ||
4573 disable aligned_stack
4575 elif enabled ccc; then
4576 # disable some annoying warnings
4577 add_cflags -msg_disable bitnotint
4578 add_cflags -msg_disable mixfuncvoid
4579 add_cflags -msg_disable nonstandcast
4580 add_cflags -msg_disable unsupieee
4581 elif enabled gcc; then
4582 check_optflags -fno-tree-vectorize
4583 check_cflags -Werror=implicit-function-declaration
4584 check_cflags -Werror=missing-prototypes
4585 check_cflags -Werror=return-type
4586 check_cflags -Werror=vla
4587 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4588 elif enabled llvm_gcc; then
4589 check_cflags -mllvm -stack-alignment=16
4590 elif enabled clang; then
4591 check_cflags -mllvm -stack-alignment=16
4592 check_cflags -Qunused-arguments
4593 check_cflags -Werror=implicit-function-declaration
4594 check_cflags -Werror=missing-prototypes
4595 check_cflags -Werror=return-type
4596 elif enabled cparser; then
4597 add_cflags -Wno-missing-variable-declarations
4598 add_cflags -Wno-empty-statement
4599 elif enabled armcc; then
4600 # 2523: use of inline assembler is deprecated
4601 add_cflags -W${armcc_opt},--diag_suppress=2523
4602 add_cflags -W${armcc_opt},--diag_suppress=1207
4603 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4604 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4605 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4606 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4607 elif enabled tms470; then
4608 add_cflags -pds=824 -pds=837
4609 elif enabled pathscale; then
4610 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4611 elif enabled_any msvc icl; then
4612 enabled x86_32 && disable aligned_stack
4613 enabled_all x86_32 debug && add_cflags -Oy-
4614 enabled debug && add_ldflags -debug
4615 enable pragma_deprecated
4616 if enabled icl; then
4617 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4618 # (correctly) on icl 13.x.
4619 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4620 add_cflags -Qansi-alias
4621 # icl will pass the inline asm tests but inline asm is currently
4622 # not supported (build will fail)
4623 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4630 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4633 add_cppflags -Dmain=plan9_main
4637 enable frame_thread_encoder
4638 enabled_any $THREADS_LIST && enable threads
4639 enabled_any $ATOMICS_LIST && enable atomics_native
4641 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"
4643 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4645 check_deps $CONFIG_LIST \
4651 if test $target_os = "haiku"; then
4653 disable posix_memalign
4656 ! enabled_any memalign posix_memalign aligned_malloc &&
4657 enabled_any $need_memalign && enable memalign_hack
4660 # -> enable ${lib}_deps_${dep}
4661 # -> add $dep to ${lib}_deps only once
4665 enabled "${lib}_deps_${dep}" && return 0
4666 enable "${lib}_deps_${dep}"
4667 prepend "${lib}_deps" $dep
4670 # merge deps lib components
4671 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4676 enabled $comp || continue
4677 eval "dep=\"\$${comp}_deps\""
4684 merge_deps libavfilter $FILTER_LIST
4686 echo "install prefix $prefix"
4687 echo "source path $source_path"
4688 echo "C compiler $cc"
4689 echo "ARCH $arch ($cpu)"
4690 if test "$build_suffix" != ""; then
4691 echo "build suffix $build_suffix"
4693 if test "$progs_suffix" != ""; then
4694 echo "progs suffix $progs_suffix"
4696 if test "$extra_version" != ""; then
4697 echo "version string suffix $extra_version"
4699 echo "big-endian ${bigendian-no}"
4700 echo "runtime cpu detection ${runtime_cpudetect-no}"
4701 if enabled x86; then
4702 echo "${yasmexe} ${yasm-no}"
4703 echo "MMX enabled ${mmx-no}"
4704 echo "MMXEXT enabled ${mmxext-no}"
4705 echo "3DNow! enabled ${amd3dnow-no}"
4706 echo "3DNow! extended enabled ${amd3dnowext-no}"
4707 echo "SSE enabled ${sse-no}"
4708 echo "SSSE3 enabled ${ssse3-no}"
4709 echo "AVX enabled ${avx-no}"
4710 echo "FMA4 enabled ${fma4-no}"
4711 echo "i686 features enabled ${i686-no}"
4712 echo "CMOV is fast ${fast_cmov-no}"
4713 echo "EBX available ${ebx_available-no}"
4714 echo "EBP available ${ebp_available-no}"
4716 if enabled arm; then
4717 echo "ARMv5TE enabled ${armv5te-no}"
4718 echo "ARMv6 enabled ${armv6-no}"
4719 echo "ARMv6T2 enabled ${armv6t2-no}"
4720 echo "VFP enabled ${vfp-no}"
4721 echo "NEON enabled ${neon-no}"
4722 echo "THUMB enabled ${thumb-no}"
4724 if enabled mips; then
4725 echo "MIPS FPU enabled ${mipsfpu-no}"
4726 echo "MIPS32R2 enabled ${mips32r2-no}"
4727 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4728 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4730 if enabled ppc; then
4731 echo "AltiVec enabled ${altivec-no}"
4732 echo "PPC 4xx optimizations ${ppc4xx-no}"
4733 echo "dcbzl available ${dcbzl-no}"
4735 if enabled sparc; then
4736 echo "VIS enabled ${vis-no}"
4738 echo "debug symbols ${debug-no}"
4739 echo "strip symbols ${stripping-no}"
4740 echo "optimize for size ${small-no}"
4741 echo "optimizations ${optimizations-no}"
4742 echo "static ${static-no}"
4743 echo "shared ${shared-no}"
4744 echo "postprocessing support ${postproc-no}"
4745 echo "new filter support ${avfilter-no}"
4746 echo "network support ${network-no}"
4747 echo "threading support ${thread_type-no}"
4748 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4749 echo "SDL support ${sdl-no}"
4750 echo "opencl enabled ${opencl-no}"
4751 echo "libzvbi enabled ${libzvbi-no}"
4752 echo "texi2html enabled ${texi2html-no}"
4753 echo "perl enabled ${perl-no}"
4754 echo "pod2man enabled ${pod2man-no}"
4755 echo "makeinfo enabled ${makeinfo-no}"
4756 test -n "$random_seed" &&
4757 echo "random seed ${random_seed}"
4760 echo "External libraries:"
4761 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4764 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4765 echo "Enabled ${type}s:"
4766 eval list=\$$(toupper $type)_LIST
4767 print_enabled '_*' $list | print_3_columns
4771 license="LGPL version 2.1 or later"
4772 if enabled nonfree; then
4773 license="nonfree and unredistributable"
4774 elif enabled gplv3; then
4775 license="GPL version 3 or later"
4776 elif enabled lgplv3; then
4777 license="LGPL version 3 or later"
4778 elif enabled gpl; then
4779 license="GPL version 2 or later"
4782 echo "License: $license"
4784 echo "Creating config.mak, config.h, and doc/config.texi..."
4786 test -e Makefile || echo "include $source_path/Makefile" > Makefile
4788 enabled stripping || strip="echo skipping strip"
4790 config_files="$TMPH config.mak doc/config.texi"
4792 cat > config.mak <<EOF
4793 # Automatically generated by configure - do not modify!
4794 ifndef FFMPEG_CONFIG_MAK
4796 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4798 LIBDIR=\$(DESTDIR)$libdir
4799 SHLIBDIR=\$(DESTDIR)$shlibdir
4800 INCDIR=\$(DESTDIR)$incdir
4801 BINDIR=\$(DESTDIR)$bindir
4802 DATADIR=\$(DESTDIR)$datadir
4803 DOCDIR=\$(DESTDIR)$docdir
4804 MANDIR=\$(DESTDIR)$mandir
4805 SRC_PATH=$source_path
4806 ifndef MAIN_MAKEFILE
4807 SRC_PATH:=\$(SRC_PATH:.%=..%)
4816 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4818 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4844 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4845 YASMFLAGS=$YASMFLAGS
4846 BUILDSUF=$build_suffix
4847 PROGSSUF=$progs_suffix
4855 EXTRA_VERSION=$extra_version
4858 CCDEP_FLAGS=$CCDEP_FLAGS
4860 ASDEP_FLAGS=$ASDEP_FLAGS
4861 CC_DEPFLAGS=$CC_DEPFLAGS
4862 AS_DEPFLAGS=$AS_DEPFLAGS
4865 HOSTCFLAGS=$host_cflags
4866 HOSTCPPFLAGS=$host_cppflags
4867 HOSTEXESUF=$HOSTEXESUF
4868 HOSTLDFLAGS=$host_ldflags
4871 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4872 HOSTCCDEP=$HOSTCCDEP
4873 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4874 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4878 TARGET_EXEC=$target_exec $target_exec_args
4879 TARGET_PATH=$target_path
4880 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
4881 LIBS-ffplay=$sdl_libs
4882 CFLAGS-ffplay=$sdl_cflags
4883 ZLIB=$($ldflags_filter -lz)
4884 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4885 EXTRALIBS=$extralibs
4886 COMPAT_OBJS=$compat_objs
4889 LIBTARGET=${LIBTARGET}
4890 SLIBNAME=${SLIBNAME}
4891 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4892 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4893 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4894 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4895 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4896 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4897 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4898 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4899 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4900 NOREDZONE_FLAGS=$noredzone_flags
4905 name=$(toupper $lcname)
4906 file=$source_path/$lcname/version.h
4907 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4908 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4909 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4910 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4911 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4914 map 'get_version $v' $LIBRARY_LIST
4917 /* Automatically generated by configure - do not modify! */
4918 #ifndef FFMPEG_CONFIG_H
4919 #define FFMPEG_CONFIG_H
4920 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4921 #define FFMPEG_LICENSE "$(c_escape $license)"
4922 #define CONFIG_THIS_YEAR 2013
4923 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4924 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4925 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4926 #define av_restrict $_restrict
4927 #define EXTERN_PREFIX "${extern_prefix}"
4928 #define EXTERN_ASM ${extern_prefix}
4929 #define SLIBSUF "$SLIBSUF"
4930 #define HAVE_MMX2 HAVE_MMXEXT
4933 test -n "$assert_level" &&
4934 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4936 test -n "$malloc_prefix" &&
4937 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4939 if enabled yasm; then
4940 append config_files $TMPASM
4944 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
4948 echo "@c auto-generated by configure" > doc/config.texi
4950 print_config ARCH_ "$config_files" $ARCH_LIST
4951 print_config HAVE_ "$config_files" $HAVE_LIST
4952 print_config CONFIG_ "$config_files" $CONFIG_LIST \
4956 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4957 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4959 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4960 cp_if_changed $TMPH config.h
4963 enabled yasm && cp_if_changed $TMPASM config.asm
4966 /* Generated by ffconf */
4967 #ifndef AVUTIL_AVCONFIG_H
4968 #define AVUTIL_AVCONFIG_H
4971 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4973 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4975 cp_if_changed $TMPH libavutil/avconfig.h
4977 if test -n "$WARNINGS"; then
4978 printf "\n$WARNINGS"
4979 enabled fatal_warnings && exit 1
4982 # build pkg-config files
4984 pkgconfig_generate(){
4986 shortname=${name#lib}${build_suffix}
4991 enabled ${name#lib} || return 0
4993 cat <<EOF > $name/$name${build_suffix}.pc
4995 exec_prefix=\${prefix}
5000 Description: $comment
5002 Requires: $(enabled shared || echo $requires)
5003 Requires.private: $(enabled shared && echo $requires)
5005 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5006 Libs.private: $(enabled shared && echo $libs)
5007 Cflags: -I\${includedir}
5010 mkdir -p doc/examples/pc-uninstalled
5011 includedir=${source_path}
5012 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5013 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5016 libdir=\${pcfiledir}/../../../$name
5017 includedir=${includedir}
5020 Description: $comment
5024 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5025 Cflags: -I\${includedir}
5029 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5030 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
5031 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
5032 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
5033 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
5034 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
5035 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
5036 lavfi_libs=${lavfi_libs%, }
5038 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
5039 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
5041 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5042 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5043 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
5044 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
5045 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
5046 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5047 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5048 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5049 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5051 fix_ffmpeg_remote(){
5054 fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
5055 if [ "$fixme_remote" != "" ]; then
5057 Outdated domain in git config, the official domain for ffmpeg git is since
5058 November 2011, source.ffmpeg.org, both the old and the new point to the same
5059 repository and server. To update it enter the following commands:
5061 for remote in $fixme_remote; do
5062 echolog "git remote set-url $remote $git_remote_to"
5067 if test -f "$source_path/.git/config"; then
5068 remote_from=git.videolan.org
5069 remote_to=source.ffmpeg.org
5070 fix_ffmpeg_remote git@$remote_from:ffmpeg git@$remote_to:ffmpeg
5071 fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg