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-raise-major increase major version numbers in sonames [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 --disable-vda disable VDA code [autodetect]
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-libbs2b enable bs2b DSP library [no]
203 --enable-libcaca enable textual display using libcaca
204 --enable-libcelt enable CELT decoding via libcelt [no]
205 --enable-libcdio enable audio CD grabbing with libcdio
206 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
208 --enable-libfaac enable AAC encoding via libfaac [no]
209 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
210 --enable-libflite enable flite (voice synthesis) support via libflite [no]
211 --enable-libfreetype enable libfreetype [no]
212 --enable-libfribidi enable libfribidi [no]
213 --enable-libgme enable Game Music Emu via libgme [no]
214 --enable-libgsm enable GSM de/encoding via libgsm [no]
215 --enable-libiec61883 enable iec61883 via libiec61883 [no]
216 --enable-libilbc enable iLBC de/encoding via libilbc [no]
217 --enable-libmodplug enable ModPlug via libmodplug [no]
218 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
219 --enable-libnut enable NUT (de)muxing via libnut,
220 native (de)muxer exists [no]
221 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
222 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
223 --enable-libopencv enable video filtering via libopencv [no]
224 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
225 --enable-libopus enable Opus de/encoding via libopus [no]
226 --enable-libpulse enable Pulseaudio input via libpulse [no]
227 --enable-libquvi enable quvi input via libquvi [no]
228 --enable-librtmp enable RTMP[E] support via librtmp [no]
229 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
230 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
231 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
232 --enable-libsoxr enable Include libsoxr resampling [no]
233 --enable-libspeex enable Speex de/encoding via libspeex [no]
234 --enable-libssh enable SFTP protocol via libssh [no]
235 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
236 --enable-libtheora enable Theora encoding via libtheora [no]
237 --enable-libtwolame enable MP2 encoding via libtwolame [no]
238 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
239 --enable-libv4l2 enable libv4l2/v4l-utils [no]
240 --enable-libvidstab enable video stabilization using vid.stab [no]
241 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
242 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
243 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
244 native implementation exists [no]
245 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
246 --enable-libwavpack enable wavpack encoding via libwavpack [no]
247 --enable-libwebp enable WebP encoding via libwebp [no]
248 --enable-libx264 enable H.264 encoding via x264 [no]
249 --enable-libx265 enable HEVC encoding via x265 [no]
250 --enable-libxavs enable AVS encoding via xavs [no]
251 --enable-libxvid enable Xvid encoding via xvidcore,
252 native MPEG-4/Xvid encoder exists [no]
253 --enable-libzmq enable message passing via libzmq [no]
254 --enable-libzvbi enable teletext support via libzvbi [no]
255 --enable-decklink enable Blackmagick DeckLink output [no]
256 --enable-openal enable OpenAL 1.1 capture support [no]
257 --enable-opencl enable OpenCL code
258 --enable-opengl enable OpenGL rendering [no]
259 --enable-openssl enable openssl [no]
260 --enable-x11grab enable X11 grabbing [no]
261 --disable-xlib disable xlib [autodetect]
262 --disable-zlib disable zlib [autodetect]
265 --arch=ARCH select architecture [$arch]
266 --cpu=CPU select the minimum required CPU (affects
267 instruction selection, may crash on older CPUs)
268 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
269 --progs-suffix=SUFFIX program name suffix []
270 --enable-cross-compile assume a cross-compiler is used
271 --sysroot=PATH root of cross-build tree
272 --sysinclude=PATH location of cross-build system headers
273 --target-os=OS compiler targets OS [$target_os]
274 --target-exec=CMD command to run executables on target
275 --target-path=DIR path to view of build directory on target
276 --target-samples=DIR path to samples directory on target
277 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
278 --toolchain=NAME set tool defaults according to NAME
279 --nm=NM use nm tool NM [$nm_default]
280 --ar=AR use archive tool AR [$ar_default]
281 --as=AS use assembler AS [$as_default]
282 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
283 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
284 --cc=CC use C compiler CC [$cc_default]
285 --cxx=CXX use C compiler CXX [$cxx_default]
286 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
287 --ld=LD use linker LD [$ld_default]
288 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
289 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
290 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
291 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
292 --host-cc=HOSTCC use host C compiler HOSTCC
293 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
294 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
295 --host-ld=HOSTLD use host linker HOSTLD
296 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
297 --host-libs=HLIBS use libs HLIBS when linking for host
298 --host-os=OS compiler host OS [$target_os]
299 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
300 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
301 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
302 --extra-libs=ELIBS add ELIBS [$ELIBS]
303 --extra-version=STRING version string suffix []
304 --optflags=OPTFLAGS override optimization-related compiler flags
305 --build-suffix=SUFFIX library name suffix []
306 --enable-pic build position-independent code
307 --enable-thumb compile for Thumb instruction set
308 --enable-lto use link-time optimization
310 Advanced options (experts only):
311 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
312 --disable-symver disable symbol versioning
313 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
314 --disable-safe-bitstream-reader
315 disable buffer boundary checking in bitreaders
316 (faster, but may crash)
317 --enable-memalign-hack emulate memalign, interferes with memory debuggers
318 --enable-sram allow use of on-chip SRAM
319 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
321 Optimization options (experts only):
322 --disable-asm disable all assembly optimizations
323 --disable-altivec disable AltiVec optimizations
324 --disable-amd3dnow disable 3DNow! optimizations
325 --disable-amd3dnowext disable 3DNow! extended optimizations
326 --disable-mmx disable MMX optimizations
327 --disable-mmxext disable MMXEXT optimizations
328 --disable-sse disable SSE optimizations
329 --disable-sse2 disable SSE2 optimizations
330 --disable-sse3 disable SSE3 optimizations
331 --disable-ssse3 disable SSSE3 optimizations
332 --disable-sse4 disable SSE4 optimizations
333 --disable-sse42 disable SSE4.2 optimizations
334 --disable-avx disable AVX optimizations
335 --disable-xop disable XOP optimizations
336 --disable-fma3 disable FMA3 optimizations
337 --disable-fma4 disable FMA4 optimizations
338 --disable-avx2 disable AVX2 optimizations
339 --disable-armv5te disable armv5te optimizations
340 --disable-armv6 disable armv6 optimizations
341 --disable-armv6t2 disable armv6t2 optimizations
342 --disable-vfp disable VFP optimizations
343 --disable-neon disable NEON optimizations
344 --disable-inline-asm disable use of inline assembly
345 --disable-yasm disable use of nasm/yasm assembly
346 --disable-mips32r2 disable MIPS32R2 optimizations
347 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
348 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
349 --disable-mipsfpu disable floating point MIPS optimizations
350 --disable-fast-unaligned consider unaligned accesses slow
352 Developer options (useful when working on FFmpeg itself):
353 --disable-debug disable debugging symbols
354 --enable-debug=LEVEL set the debug level [$debuglevel]
355 --disable-optimizations disable compiler optimizations
356 --enable-extra-warnings enable more compiler warnings
357 --disable-stripping disable stripping of executables and shared libraries
358 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
359 2 causes a slowdown at runtime.
360 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
361 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
362 leaks and errors, using the specified valgrind binary.
363 Cannot be combined with --target-exec
364 --enable-ftrapv Trap arithmetic overflows
365 --samples=PATH location of test samples for FATE, if not set use
366 \$FATE_SAMPLES at make invocation time.
367 --enable-neon-clobber-test check NEON registers for clobbering (should be
368 used only for debugging purposes)
369 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
370 should be used only for debugging purposes)
371 --enable-random randomly enable/disable components
373 --enable-random=LIST randomly enable/disable specific components or
374 --disable-random=LIST component groups. LIST is a comma-separated list
375 of NAME[:PROB] entries where NAME is a component
376 (group) and PROB the probability associated with
378 --random-seed=VALUE seed value for --enable/disable-random
380 NOTE: Object files are built at the place where configure is launched.
388 echo "$@" >> $logfile
393 pr -n -t $1 >> $logfile
404 WARNINGS="${WARNINGS}WARNING: $*\n"
411 If you think configure made a mistake, make sure you are using the latest
412 version from Git. If the latest version fails, report the problem to the
413 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
415 if disabled logging; then
417 Rerun configure with logging enabled (do not use --disable-logging), and
418 include the log this produces with your report.
422 Include the log file "$logfile" produced by configure as this will help
429 # Avoid locale weirdness, besides we really just want to translate ASCII.
431 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
435 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
439 echo "$*" | sed 's/["\\]/\\\0/g'
443 v=$(echo "$1" | sed "s/'/'\\\\''/g")
444 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
449 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g'
456 eval "case $v in $pat) echo $v ;; esac"
464 eval "case $v in $pat) ;; *) echo $v ;; esac"
471 for v; do eval $m; done
477 for v; do echo ${v}${suffix}; done
492 eval : \${$var:=$value}
497 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
503 eval $(sanitize_var_name "$var")='$*'
507 eval echo \$$(sanitize_var_name "$1")
512 eval level=\${${pvar}_level:=0}
513 eval ${pvar}_${level}="\$$pvar"
514 eval ${pvar}_level=$(($level+1))
520 eval level=\${${pvar}_level:-0}
521 test $level = 0 && continue
522 eval level=$(($level-1))
523 eval $pvar="\${${pvar}_${level}}"
524 eval ${pvar}_level=$level
525 eval unset ${pvar}_${level}
547 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
553 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
559 enabled $var && continue
560 eval sel="\$${var}_select"
561 eval sgs="\$${var}_suggest"
565 enable_deep_weak $sgs
577 disabled $var && continue
586 test "${1#!}" = "$1" && op== || op=!=
587 eval test "x\$${1#!}" $op "xyes"
591 test "${1#!}" = "$1" && op== || op=!=
592 eval test "x\$${1#!}" $op "xno"
597 enabled $opt || return 1
603 disabled $opt || return 1
609 enabled $opt && return 0
615 disabled $opt && return 0
622 eval : \${$opt:=\$${opt}_default}
630 [ $var = $value ] && return 0
638 enabled ${cfg}_checking && die "Circular dependency for $cfg."
639 disabled ${cfg}_checking && continue
640 enable ${cfg}_checking
643 eval dep_all="\$${cfg}_deps"
644 eval dep_any="\$${cfg}_deps_any"
645 eval dep_sel="\$${cfg}_select"
646 eval dep_sgs="\$${cfg}_suggest"
647 eval dep_ifa="\$${cfg}_if"
648 eval dep_ifn="\$${cfg}_if_any"
650 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
651 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
652 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
654 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
655 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
656 enabled_all $dep_all || disable $cfg
657 enabled_any $dep_any || disable $cfg
658 disabled_any $dep_sel && disable $cfg
660 if enabled $cfg; then
662 enable_deep_weak $dep_sgs
665 disable ${cfg}_checking
674 for cfg in $allopts; do
675 enabled $cfg || continue
676 eval dep_extralibs="\$${cfg}_extralibs"
677 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
685 map 'eval echo "$v \${$v:-no}"' "$@" |
686 awk "BEGIN { split(\"$files\", files) }
688 c = \"$pfx\" toupper(\$1);
694 if (file ~ /\\.h\$/) {
695 printf(\"#define %s %d\\n\", c, v) >>file;
696 } else if (file ~ /\\.asm\$/) {
697 printf(\"%%define %s %d\\n\", c, v) >>file;
698 } else if (file ~ /\\.mak\$/) {
699 n = -v ? \"\" : \"!\";
700 printf(\"%s%s=yes\\n\", n, c) >>file;
701 } else if (file ~ /\\.texi\$/) {
702 pre = -v ? \"\" : \"@c \";
705 gsub(/_/, \"-\", c2);
706 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
716 enabled $v && printf "%s\n" ${v%$suf};
723 eval "$var=\"\$$var $*\""
729 eval "$var=\"$* \$$var\""
735 for tok in $(eval echo \$$var); do
736 uniq_list="$(filter_out $tok $uniq_list) $tok"
738 eval "$var=\"${uniq_list}\""
746 append CFLAGS $($cflags_filter "$@")
750 append CXXFLAGS $($cflags_filter "$@")
754 append ASFLAGS $($asflags_filter "$@")
758 append LDFLAGS $($ldflags_filter "$@")
762 append ASMSTRIPFLAGS "$@"
766 prepend extralibs $($ldflags_filter "$@")
770 append host_cppflags "$@"
774 append host_cflags $($host_cflags_filter "$@")
778 append host_ldflags $($host_ldflags_filter "$@")
782 append compat_objs $1
784 map 'add_cppflags -D$v' "$@"
789 "$@" >> $logfile 2>&1
794 stat "$1" >> $logfile 2>&1
798 eval printf '%s\\n' $CC_O
802 eval printf '%s\\n' $CC_E
809 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
816 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
823 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
830 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
834 eval printf '%s\\n' $AS_O
841 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
845 log check_inline_asm "$@"
850 check_cc "$@" <<EOF && enable $name
851 void foo(void){ __asm__ volatile($code); }
857 check_inline_asm ${1}_inline "\"$2\""
858 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
866 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
870 eval printf '%s\\n' $LD_O
877 flags=$(filter_out '-l*|*.so' $@)
878 libs=$(filter '-l*|*.so' $@)
879 check_$type $($cflags_filter $flags) || return
880 flags=$($ldflags_filter $flags)
881 libs=$($ldflags_filter $libs)
882 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
887 test "${hdr%.h}" = "${hdr}" &&
888 echo "#include $hdr" ||
889 echo "#include <$hdr>"
899 for hdr in $headers; do
902 echo "int main(void) { $code; return 0; }"
903 } | check_$check "$@"
907 log check_cppflags "$@"
908 check_cc "$@" <<EOF && append CPPFLAGS "$@"
915 set -- $($cflags_filter "$@")
922 log check_cflags "$@"
923 test_cflags "$@" && add_cflags "$@"
927 log check_cxxflags "$@"
928 set -- $($cflags_filter "$@")
929 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
935 log test_ldflags "$@"
936 check_ld "cc" "$@" <<EOF
937 int main(void){ return 0; }
942 log check_ldflags "$@"
943 test_ldflags "$@" && add_ldflags "$@"
947 log test_stripflags "$@"
948 # call check_cc to get a fresh TMPO
950 int main(void) { return 0; }
952 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
956 log check_stripflags "$@"
957 test_stripflags "$@" && add_stripflags "$@"
961 log check_header "$@"
965 check_cpp "$@" <<EOF && enable_safe $header
972 log check_header_oc "$@"
978 echo "#include <$header>"
979 echo "int main(void) { return 0; }"
980 } | check_oc && check_stat "$TMPO" && enable_safe $headers
988 check_ld "cc" "$@" <<EOF && enable $func
990 int main(void){ $func(); }
995 log check_mathfunc "$@"
999 test $narg = 2 && args="f, g" || args="f"
1001 check_ld "cc" "$@" <<EOF && enable $func
1003 float foo(float f, float g) { return $func($args); }
1004 int main(void){ return (int) foo; }
1008 check_func_headers(){
1009 log check_func_headers "$@"
1014 for hdr in $headers; do
1017 for func in $funcs; do
1018 echo "long check_$func(void) { return (long) $func; }"
1020 echo "int main(void) { return 0; }"
1021 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1024 check_class_headers_cpp(){
1025 log check_class_headers_cpp "$@"
1030 for hdr in $headers; do
1031 echo "#include <$hdr>"
1033 echo "int main(void) { "
1035 for class in $classes; do
1036 echo "$class obj$i;"
1040 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1043 check_cpp_condition(){
1044 log check_cpp_condition "$@"
1048 check_cpp "$@" <<EOF
1051 #error "unsatisfied condition: $condition"
1061 check_header $header && check_func $func "$@" && add_extralibs "$@"
1069 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1073 log check_lib_cpp "$@"
1077 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1081 log check_pkg_config "$@"
1087 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1088 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1089 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1090 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1091 set_safe ${pkg}_cflags $pkg_cflags &&
1092 set_safe ${pkg}_libs $pkg_libs
1096 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1102 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1103 # are safe but may not be available everywhere. Thus we use
1104 # raise(SIGTERM) instead. The check is run in a subshell so we
1105 # can redirect the "Terminated" message from the shell. SIGBUS
1106 # is not defined by standard C so it is used conditionally.
1108 (check_exec "$@") >> $logfile 2>&1 <<EOF
1110 static void sighandler(int sig){
1116 int (*func_ptr)(void) = foo;
1118 signal(SIGILL, sighandler);
1119 signal(SIGFPE, sighandler);
1120 signal(SIGSEGV, sighandler);
1122 signal(SIGBUS, sighandler);
1134 disable_safe "$type"
1135 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1139 log check_struct "$@"
1144 disable_safe "${struct}_${member}"
1145 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1146 enable_safe "${struct}_${member}"
1150 log check_builtin "$@"
1156 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1159 check_compile_assert(){
1160 log check_compile_assert "$@"
1166 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1174 check_lib $header $func "$@" || die "ERROR: $name not found"
1182 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1190 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1193 require_pkg_config(){
1195 check_pkg_config "$@" || die "ERROR: $pkg not found"
1196 add_cflags $(get_safe ${pkg}_cflags)
1197 add_extralibs $(get_safe ${pkg}_libs)
1200 require_libfreetype(){
1201 log require_libfreetype "$@"
1203 check_cmd $pkg_config --exists --print-errors $pkg \
1204 || die "ERROR: $pkg not found"
1205 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1206 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1208 echo "#include <ft2build.h>"
1209 echo "#include FT_FREETYPE_H"
1210 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1211 echo "int main(void) { return 0; }"
1212 } | check_ld "cc" $pkg_cflags $pkg_libs \
1213 && set_safe ${pkg}_cflags $pkg_cflags \
1214 && set_safe ${pkg}_libs $pkg_libs \
1215 || die "ERROR: $pkg not found"
1216 add_cflags $(get_safe ${pkg}_cflags)
1217 add_extralibs $(get_safe ${pkg}_libs)
1221 eval printf '%s\\n' $HOSTCC_E
1225 eval printf '%s\\n' $HOSTCC_O
1229 log check_host_cc "$@"
1232 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1236 log check_host_cpp "$@"
1239 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1242 check_host_cppflags(){
1243 log check_host_cppflags "$@"
1244 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1249 check_host_cflags(){
1250 log check_host_cflags "$@"
1251 set -- $($host_cflags_filter "$@")
1252 check_host_cc "$@" <<EOF && append host_cflags "$@"
1257 check_host_cpp_condition(){
1258 log check_host_cpp_condition "$@"
1262 check_host_cpp "$@" <<EOF
1265 #error "unsatisfied condition: $condition"
1273 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1277 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1278 mkdir -p "$(dirname $2)"
1282 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1283 # system-dependent things.
1300 avio_reading_example
1301 decoding_encoding_example
1302 demuxing_decoding_example
1303 filter_audio_example
1304 filtering_audio_example
1305 filtering_video_example
1309 resampling_audio_example
1310 scaling_video_example
1311 transcode_aac_example
1315 EXTERNAL_LIBRARY_LIST="
1399 safe_bitstream_reader
1457 $EXTERNAL_LIBRARY_LIST
1465 incompatible_libav_abi
1525 ARCH_EXT_LIST_MIPS="
1532 ARCH_EXT_LIST_X86_SIMD="
1559 $ARCH_EXT_LIST_X86_SIMD
1589 sync_val_compare_and_swap
1600 incompatible_libav_abi
1609 cdio_paranoia_paranoia_h
1611 dev_bktr_ioctl_bt848_h
1612 dev_bktr_ioctl_meteor_h
1614 dev_video_bktr_ioctl_bt848_h
1615 dev_video_meteor_ioctl_meteor_h
1623 machine_ioctl_bt848_h
1624 machine_ioctl_meteor_h
1626 openjpeg_1_5_openjpeg_h
1689 GetProcessAffinityMask
1690 GetProcessMemoryInfo
1694 GetSystemTimeAsFileTime
1700 jack_port_get_latency_range
1715 SetConsoleTextAttribute
1727 TOOLCHAIN_FEATURES="
1739 inline_asm_nonlocal_labels
1740 inline_asm_direct_symbol_refs
1753 struct_group_source_req
1754 struct_ip_mreq_source
1757 struct_rusage_ru_maxrss
1758 struct_sctp_event_subscribe
1760 struct_sockaddr_sa_len
1761 struct_sockaddr_storage
1762 struct_stat_st_mtim_tv_nsec
1763 struct_v4l2_frmivalenum_discrete
1768 $(add_suffix _external $ARCH_EXT_LIST)
1769 $(add_suffix _inline $ARCH_EXT_LIST)
1798 # options emitted with CONFIG_ prefix but not available on the command line
1810 frame_thread_encoder
1929 # code dependency declarations
1931 # architecture extensions
1936 armv8_deps="aarch64"
1937 neon_deps_any="aarch64 arm"
1938 vfp_deps_any="aarch64 arm"
1941 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1944 mips32r2_deps="mips"
1945 mipsdspr1_deps="mips"
1946 mipsdspr2_deps="mips"
1953 x86_64_select="i686"
1954 x86_64_suggest="fast_cmov"
1957 amd3dnowext_deps="amd3dnow"
1973 mmx_external_deps="yasm"
1974 mmx_inline_deps="inline_asm"
1975 mmx_suggest="mmx_external mmx_inline"
1977 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1978 eval dep=\$${ext}_deps
1979 eval ${ext}_external_deps='"${dep}_external"'
1980 eval ${ext}_inline_deps='"${dep}_inline"'
1981 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1984 aligned_stack_if_any="aarch64 ppc x86"
1985 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1986 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1987 fast_unaligned_if_any="aarch64 ppc x86"
1989 need_memalign="altivec neon sse"
1991 # system capabilities
1993 symver_if_any="symver_asm_label symver_gnu_asm"
1996 atomics_gcc_if="sync_val_compare_and_swap"
1997 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1998 atomics_win32_if="MemoryBarrier"
1999 atomics_native_if_any="$ATOMICS_LIST"
2000 w32threads_deps="atomics_native"
2001 threads_if_any="$THREADS_LIST"
2005 error_resilience_select="me_cmp"
2006 frame_thread_encoder_deps="encoders threads"
2007 intrax8_select="error_resilience"
2010 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2011 mpeg_er_select="error_resilience"
2012 mpegaudio_select="mpegaudiodsp"
2013 mpegaudiodsp_select="dct"
2014 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"
2015 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2017 # decoders / encoders
2018 aac_decoder_select="mdct sinewin"
2019 aac_encoder_select="audio_frame_queue mdct sinewin"
2020 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2021 ac3_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2022 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2023 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2024 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2025 aic_decoder_select="golomb idctdsp"
2026 alac_encoder_select="lpc"
2027 als_decoder_select="bswapdsp"
2028 amrnb_decoder_select="lsp"
2029 amrwb_decoder_select="lsp"
2030 amv_decoder_select="sp5x_decoder exif"
2031 amv_encoder_select="aandcttables mpegvideoenc"
2032 ape_decoder_select="bswapdsp llauddsp"
2033 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2034 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2035 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2036 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2037 atrac1_decoder_select="mdct sinewin"
2038 atrac3_decoder_select="mdct"
2039 atrac3p_decoder_select="mdct sinewin"
2040 avrn_decoder_select="exif"
2041 bink_decoder_select="blockdsp hpeldsp"
2042 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
2043 binkaudio_rdft_decoder_select="mdct rdft sinewin"
2044 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2045 cllc_decoder_select="bswapdsp"
2046 comfortnoise_encoder_select="lpc"
2047 cook_decoder_select="audiodsp mdct sinewin"
2048 cscd_decoder_select="lzo"
2049 cscd_decoder_suggest="zlib"
2050 dca_decoder_select="mdct"
2051 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2052 dnxhd_decoder_select="blockdsp idctdsp"
2053 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2054 dvvideo_decoder_select="dvprofile idctdsp"
2055 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2056 dxa_decoder_select="zlib"
2057 eac3_decoder_select="ac3_decoder"
2058 eac3_encoder_select="ac3_encoder"
2059 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2060 eatgq_decoder_select="aandcttables"
2061 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2062 exr_decoder_select="zlib"
2063 ffv1_decoder_select="golomb rangecoder"
2064 ffv1_encoder_select="rangecoder"
2065 ffvhuff_decoder_select="huffyuv_decoder"
2066 ffvhuff_encoder_select="huffyuv_encoder"
2067 fic_decoder_select="golomb"
2068 flac_decoder_select="golomb"
2069 flac_encoder_select="bswapdsp golomb lpc"
2070 flashsv_decoder_select="zlib"
2071 flashsv_encoder_select="zlib"
2072 flashsv2_encoder_select="zlib"
2073 flashsv2_decoder_select="zlib"
2074 flv_decoder_select="h263_decoder"
2075 flv_encoder_select="h263_encoder"
2076 fourxm_decoder_select="blockdsp bswapdsp"
2077 fraps_decoder_select="bswapdsp huffman"
2078 g2m_decoder_select="blockdsp idctdsp zlib"
2079 g729_decoder_select="audiodsp"
2080 h261_decoder_select="mpeg_er mpegvideo"
2081 h261_encoder_select="aandcttables mpegvideoenc"
2082 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2083 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2084 h263i_decoder_select="h263_decoder"
2085 h263p_encoder_select="h263_encoder"
2086 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
2087 h264_decoder_suggest="error_resilience"
2088 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2089 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2090 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2091 iac_decoder_select="imc_decoder"
2092 imc_decoder_select="bswapdsp fft mdct sinewin"
2093 indeo3_decoder_select="hpeldsp"
2094 interplay_video_decoder_select="hpeldsp"
2095 jpegls_decoder_select="golomb mjpeg_decoder"
2096 jpegls_encoder_select="golomb"
2097 jv_decoder_select="blockdsp"
2098 lagarith_decoder_select="huffyuvdsp"
2099 ljpeg_encoder_select="aandcttables idctdsp"
2100 loco_decoder_select="golomb"
2101 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2102 metasound_decoder_select="lsp mdct sinewin"
2103 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2104 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp"
2105 mjpeg_encoder_select="aandcttables mpegvideoenc"
2106 mjpegb_decoder_select="mjpeg_decoder"
2107 mlp_decoder_select="mlp_parser"
2108 motionpixels_decoder_select="bswapdsp"
2109 mp1_decoder_select="mpegaudio"
2110 mp1float_decoder_select="mpegaudio"
2111 mp2_decoder_select="mpegaudio"
2112 mp2float_decoder_select="mpegaudio"
2113 mp3_decoder_select="mpegaudio"
2114 mp3adu_decoder_select="mpegaudio"
2115 mp3adufloat_decoder_select="mpegaudio"
2116 mp3float_decoder_select="mpegaudio"
2117 mp3on4_decoder_select="mpegaudio"
2118 mp3on4float_decoder_select="mpegaudio"
2119 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2120 mpc8_decoder_select="mpegaudiodsp"
2121 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2122 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2123 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2124 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2125 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2126 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2127 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2128 mpeg4_encoder_select="h263_encoder"
2129 msmpeg4v1_decoder_select="h263_decoder"
2130 msmpeg4v2_decoder_select="h263_decoder"
2131 msmpeg4v2_encoder_select="h263_encoder"
2132 msmpeg4v3_decoder_select="h263_decoder"
2133 msmpeg4v3_encoder_select="h263_encoder"
2134 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2135 mxpeg_decoder_select="mjpeg_decoder"
2136 nellymoser_decoder_select="mdct sinewin"
2137 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2138 nuv_decoder_select="idctdsp lzo"
2139 on2avc_decoder_select="mdct"
2140 opus_decoder_deps="swresample"
2141 png_decoder_select="zlib"
2142 png_encoder_select="huffyuvencdsp zlib"
2143 prores_decoder_select="blockdsp idctdsp"
2144 prores_encoder_select="fdctdsp"
2145 qcelp_decoder_select="lsp"
2146 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2147 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2148 ra_144_decoder_select="audiodsp"
2149 ralf_decoder_select="golomb"
2150 rawvideo_decoder_select="bswapdsp"
2151 rtjpeg_decoder_select="me_cmp"
2152 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2153 rv10_encoder_select="h263_encoder"
2154 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2155 rv20_encoder_select="h263_encoder"
2156 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2157 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2158 shorten_decoder_select="golomb"
2159 sipr_decoder_select="lsp"
2160 snow_decoder_select="dwt h264qpel hpeldsp rangecoder"
2161 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2162 sonic_decoder_select="golomb rangecoder"
2163 sonic_encoder_select="golomb rangecoder"
2164 sonic_ls_encoder_select="golomb rangecoder"
2165 sp5x_decoder_select="mjpeg_decoder"
2166 svq1_decoder_select="hpeldsp"
2167 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2168 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2169 svq3_decoder_suggest="zlib"
2170 tak_decoder_select="audiodsp"
2171 theora_decoder_select="vp3_decoder"
2172 thp_decoder_select="mjpeg_decoder"
2173 tiff_decoder_suggest="zlib"
2174 tiff_encoder_suggest="zlib"
2175 truehd_decoder_select="mlp_parser"
2176 truemotion2_decoder_select="bswapdsp"
2177 truespeech_decoder_select="bswapdsp"
2178 tscc_decoder_select="zlib"
2179 twinvq_decoder_select="mdct lsp sinewin"
2180 utvideo_decoder_select="bswapdsp"
2181 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2182 vble_decoder_select="huffyuvdsp"
2183 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp"
2184 vc1image_decoder_select="vc1_decoder"
2185 vorbis_decoder_select="mdct"
2186 vorbis_encoder_select="mdct"
2187 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2188 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2189 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2190 vp6a_decoder_select="vp6_decoder"
2191 vp6f_decoder_select="vp6_decoder"
2192 vp7_decoder_select="h264pred videodsp"
2193 vp8_decoder_select="h264pred videodsp"
2194 vp9_decoder_select="videodsp vp9_parser"
2195 webp_decoder_select="vp8_decoder"
2196 wmalossless_decoder_select="llauddsp"
2197 wmapro_decoder_select="mdct sinewin"
2198 wmav1_decoder_select="mdct sinewin"
2199 wmav1_encoder_select="mdct sinewin"
2200 wmav2_decoder_select="mdct sinewin"
2201 wmav2_encoder_select="mdct sinewin"
2202 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2203 wmv1_decoder_select="h263_decoder"
2204 wmv1_encoder_select="h263_encoder"
2205 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
2206 wmv2_encoder_select="h263_encoder"
2207 wmv3_decoder_select="vc1_decoder"
2208 wmv3image_decoder_select="wmv3_decoder"
2209 zerocodec_decoder_select="zlib"
2210 zlib_decoder_select="zlib"
2211 zlib_encoder_select="zlib"
2212 zmbv_decoder_select="zlib"
2213 zmbv_encoder_select="zlib"
2215 # hardware accelerators
2216 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2217 dxva2_deps="dxva2api_h"
2218 vaapi_deps="va_va_h"
2219 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2220 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2221 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2222 xvmc_deps="X11_extensions_XvMClib_h"
2224 h263_vaapi_hwaccel_deps="vaapi"
2225 h263_vaapi_hwaccel_select="h263_decoder"
2226 h263_vdpau_hwaccel_deps="vdpau"
2227 h263_vdpau_hwaccel_select="h263_decoder"
2228 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2229 h264_dxva2_hwaccel_deps="dxva2"
2230 h264_dxva2_hwaccel_select="h264_decoder"
2231 h264_vaapi_hwaccel_deps="vaapi"
2232 h264_vaapi_hwaccel_select="h264_decoder"
2233 h264_vda_decoder_deps="vda"
2234 h264_vda_decoder_select="h264_decoder"
2235 h264_vda_hwaccel_deps="vda"
2236 h264_vda_hwaccel_select="h264_decoder"
2237 h264_vda_old_hwaccel_deps="vda"
2238 h264_vda_old_hwaccel_select="h264_decoder"
2239 h264_vdpau_decoder_deps="vdpau"
2240 h264_vdpau_decoder_select="h264_decoder"
2241 h264_vdpau_hwaccel_deps="vdpau"
2242 h264_vdpau_hwaccel_select="h264_decoder"
2243 mpeg_vdpau_decoder_deps="vdpau"
2244 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2245 mpeg_xvmc_hwaccel_deps="xvmc"
2246 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2247 mpeg1_vdpau_decoder_deps="vdpau"
2248 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2249 mpeg1_vdpau_hwaccel_deps="vdpau"
2250 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2251 mpeg1_xvmc_hwaccel_deps="xvmc"
2252 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2253 mpeg2_crystalhd_decoder_select="crystalhd"
2254 mpeg2_dxva2_hwaccel_deps="dxva2"
2255 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2256 mpeg2_vaapi_hwaccel_deps="vaapi"
2257 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2258 mpeg2_vdpau_hwaccel_deps="vdpau"
2259 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2260 mpeg2_xvmc_hwaccel_deps="xvmc"
2261 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2262 mpeg4_crystalhd_decoder_select="crystalhd"
2263 mpeg4_vaapi_hwaccel_deps="vaapi"
2264 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2265 mpeg4_vdpau_decoder_deps="vdpau"
2266 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2267 mpeg4_vdpau_hwaccel_deps="vdpau"
2268 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2269 msmpeg4_crystalhd_decoder_select="crystalhd"
2270 vc1_crystalhd_decoder_select="crystalhd"
2271 vc1_dxva2_hwaccel_deps="dxva2"
2272 vc1_dxva2_hwaccel_select="vc1_decoder"
2273 vc1_vaapi_hwaccel_deps="vaapi"
2274 vc1_vaapi_hwaccel_select="vc1_decoder"
2275 vc1_vdpau_decoder_deps="vdpau"
2276 vc1_vdpau_decoder_select="vc1_decoder"
2277 vc1_vdpau_hwaccel_deps="vdpau"
2278 vc1_vdpau_hwaccel_select="vc1_decoder"
2279 wmv3_crystalhd_decoder_select="crystalhd"
2280 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2281 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2282 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2283 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2286 h264_parser_select="h264_decoder"
2287 hevc_parser_select="hevc_decoder"
2288 mpegvideo_parser_select="mpegvideo"
2289 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2290 vc1_parser_select="mpegvideo vc1_decoder"
2292 # external libraries
2293 libaacplus_encoder_deps="libaacplus"
2294 libcelt_decoder_deps="libcelt"
2295 libfaac_encoder_deps="libfaac"
2296 libfaac_encoder_select="audio_frame_queue"
2297 libfdk_aac_decoder_deps="libfdk_aac"
2298 libfdk_aac_encoder_deps="libfdk_aac"
2299 libfdk_aac_encoder_select="audio_frame_queue"
2300 libgme_demuxer_deps="libgme"
2301 libgsm_decoder_deps="libgsm"
2302 libgsm_encoder_deps="libgsm"
2303 libgsm_ms_decoder_deps="libgsm"
2304 libgsm_ms_encoder_deps="libgsm"
2305 libilbc_decoder_deps="libilbc"
2306 libilbc_encoder_deps="libilbc"
2307 libmodplug_demuxer_deps="libmodplug"
2308 libmp3lame_encoder_deps="libmp3lame"
2309 libmp3lame_encoder_select="audio_frame_queue"
2310 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2311 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2312 libopencore_amrnb_encoder_select="audio_frame_queue"
2313 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2314 libopenjpeg_decoder_deps="libopenjpeg"
2315 libopenjpeg_encoder_deps="libopenjpeg"
2316 libopus_decoder_deps="libopus"
2317 libopus_encoder_deps="libopus"
2318 libopus_encoder_select="audio_frame_queue"
2319 libquvi_demuxer_deps="libquvi"
2320 libschroedinger_decoder_deps="libschroedinger"
2321 libschroedinger_encoder_deps="libschroedinger"
2322 libshine_encoder_deps="libshine"
2323 libshine_encoder_select="audio_frame_queue"
2324 libspeex_decoder_deps="libspeex"
2325 libspeex_encoder_deps="libspeex"
2326 libspeex_encoder_select="audio_frame_queue"
2327 libstagefright_h264_decoder_deps="libstagefright_h264"
2328 libtheora_encoder_deps="libtheora"
2329 libtwolame_encoder_deps="libtwolame"
2330 libvo_aacenc_encoder_deps="libvo_aacenc"
2331 libvo_aacenc_encoder_select="audio_frame_queue"
2332 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2333 libvorbis_decoder_deps="libvorbis"
2334 libvorbis_encoder_deps="libvorbis"
2335 libvorbis_encoder_select="audio_frame_queue"
2336 libvpx_vp8_decoder_deps="libvpx"
2337 libvpx_vp8_encoder_deps="libvpx"
2338 libvpx_vp9_decoder_deps="libvpx"
2339 libvpx_vp9_encoder_deps="libvpx"
2340 libwavpack_encoder_deps="libwavpack"
2341 libwebp_encoder_deps="libwebp"
2342 libx264_encoder_deps="libx264"
2343 libx264rgb_encoder_deps="libx264"
2344 libx265_encoder_deps="libx265"
2345 libxavs_encoder_deps="libxavs"
2346 libxvid_encoder_deps="libxvid"
2347 libutvideo_decoder_deps="libutvideo"
2348 libutvideo_encoder_deps="libutvideo"
2349 libzvbi_teletext_decoder_deps="libzvbi"
2352 ac3_demuxer_select="ac3_parser"
2353 asf_demuxer_select="riffdec"
2354 asf_muxer_select="riffenc"
2355 asf_stream_muxer_select="asf_muxer"
2356 avi_demuxer_select="riffdec exif"
2357 avi_muxer_select="riffenc"
2358 avisynth_demuxer_deps="avisynth"
2359 avisynth_demuxer_select="riffdec"
2360 caf_demuxer_select="riffdec"
2361 dirac_demuxer_select="dirac_parser"
2362 dts_demuxer_select="dca_parser"
2363 dtshd_demuxer_select="dca_parser"
2364 dv_demuxer_select="dvprofile"
2365 dv_muxer_select="dvprofile"
2366 dxa_demuxer_select="riffdec"
2367 eac3_demuxer_select="ac3_parser"
2368 f4v_muxer_select="mov_muxer"
2369 flac_demuxer_select="flac_parser"
2370 hds_muxer_select="flv_muxer"
2371 hls_muxer_select="mpegts_muxer"
2372 image2_alias_pix_demuxer_select="image2_demuxer"
2373 image2_brender_pix_demuxer_select="image2_demuxer"
2374 ipod_muxer_select="mov_muxer"
2375 ismv_muxer_select="mov_muxer"
2376 libnut_demuxer_deps="libnut"
2377 libnut_muxer_deps="libnut"
2378 matroska_audio_muxer_select="matroska_muxer"
2379 matroska_demuxer_select="riffdec"
2380 matroska_demuxer_suggest="bzlib lzo zlib"
2381 matroska_muxer_select="riffenc"
2382 mmf_muxer_select="riffenc"
2383 mov_demuxer_select="riffdec"
2384 mov_demuxer_suggest="zlib"
2385 mov_muxer_select="riffenc rtpenc_chain"
2386 mp3_demuxer_select="mpegaudio_parser"
2387 mp4_muxer_select="mov_muxer"
2388 mpegts_muxer_select="adts_muxer latm_muxer"
2389 mpegtsraw_demuxer_select="mpegts_demuxer"
2390 mxf_d10_muxer_select="mxf_muxer"
2391 nut_muxer_select="riffenc"
2392 nuv_demuxer_select="riffdec"
2393 ogg_demuxer_select="golomb"
2394 psp_muxer_select="mov_muxer"
2395 rtp_demuxer_select="sdp_demuxer"
2396 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2397 rtsp_demuxer_select="http_protocol rtpdec"
2398 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2399 sap_demuxer_select="sdp_demuxer"
2400 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2401 sdp_demuxer_select="rtpdec"
2402 smoothstreaming_muxer_select="ismv_muxer"
2403 spdif_muxer_select="aac_parser"
2404 tak_demuxer_select="tak_parser"
2405 tg2_muxer_select="mov_muxer"
2406 tgp_muxer_select="mov_muxer"
2407 vobsub_demuxer_select="mpegps_demuxer"
2408 w64_demuxer_select="wav_demuxer"
2409 w64_muxer_select="wav_muxer"
2410 wav_demuxer_select="riffdec"
2411 wav_muxer_select="riffenc"
2412 webm_muxer_select="riffenc"
2413 wtv_demuxer_select="riffdec"
2414 wtv_muxer_select="riffenc"
2415 xmv_demuxer_select="riffdec"
2416 xwma_demuxer_select="riffdec"
2419 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2420 alsa_outdev_deps="alsa_asoundlib_h"
2421 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2422 avfoundation_indev_select="avfoundation"
2423 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2424 caca_outdev_deps="libcaca"
2425 decklink_outdev_deps="decklink pthreads"
2426 decklink_outdev_extralibs="-lstdc++"
2427 dshow_indev_deps="IBaseFilter"
2428 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2429 dv1394_indev_deps="dv1394"
2430 dv1394_indev_select="dv_demuxer"
2431 fbdev_indev_deps="linux_fb_h"
2432 fbdev_outdev_deps="linux_fb_h"
2433 gdigrab_indev_deps="CreateDIBSection"
2434 gdigrab_indev_extralibs="-lgdi32"
2435 gdigrab_indev_select="bmp_decoder"
2436 iec61883_indev_deps="libiec61883"
2437 jack_indev_deps="jack_jack_h sem_timedwait"
2438 lavfi_indev_deps="avfilter"
2439 libcdio_indev_deps="libcdio"
2440 libdc1394_indev_deps="libdc1394"
2441 libv4l2_indev_deps="libv4l2"
2442 openal_indev_deps="openal"
2443 opengl_outdev_deps="opengl"
2444 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2445 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2446 pulse_indev_deps="libpulse"
2447 pulse_outdev_deps="libpulse"
2448 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2449 qtkit_indev_select="qtkit"
2450 sdl_outdev_deps="sdl"
2451 sndio_indev_deps="sndio_h"
2452 sndio_outdev_deps="sndio_h"
2453 v4l_indev_deps="linux_videodev_h"
2454 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2455 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2456 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2457 vfwcap_indev_extralibs="-lavicap32"
2458 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2459 xv_outdev_extralibs="-lXv -lX11 -lXext"
2460 x11grab_indev_deps="x11grab"
2463 bluray_protocol_deps="libbluray"
2464 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2465 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2466 ffrtmpcrypt_protocol_select="tcp_protocol"
2467 ffrtmphttp_protocol_deps="!librtmp_protocol"
2468 ffrtmphttp_protocol_select="http_protocol"
2469 ftp_protocol_select="tcp_protocol"
2470 gopher_protocol_select="network"
2471 http_protocol_select="tcp_protocol"
2472 httpproxy_protocol_select="tcp_protocol"
2473 https_protocol_select="tls_protocol"
2474 librtmp_protocol_deps="librtmp"
2475 librtmpe_protocol_deps="librtmp"
2476 librtmps_protocol_deps="librtmp"
2477 librtmpt_protocol_deps="librtmp"
2478 librtmpte_protocol_deps="librtmp"
2479 libsmbclient_protocol_deps="libsmbclient gplv3"
2480 libssh_protocol_deps="libssh"
2481 mmsh_protocol_select="http_protocol"
2482 mmst_protocol_select="network"
2483 rtmp_protocol_deps="!librtmp_protocol"
2484 rtmp_protocol_select="tcp_protocol"
2485 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2486 rtmps_protocol_deps="!librtmp_protocol"
2487 rtmps_protocol_select="tls_protocol"
2488 rtmpt_protocol_select="ffrtmphttp_protocol"
2489 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2490 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2491 rtp_protocol_select="udp_protocol"
2492 sctp_protocol_deps="struct_sctp_event_subscribe"
2493 sctp_protocol_select="network"
2494 srtp_protocol_select="rtp_protocol"
2495 tcp_protocol_select="network"
2496 tls_protocol_deps_any="openssl gnutls"
2497 tls_protocol_select="tcp_protocol"
2498 udp_protocol_select="network"
2499 unix_protocol_deps="sys_un_h"
2500 unix_protocol_select="network"
2503 aconvert_filter_deps="swresample"
2504 amovie_filter_deps="avcodec avformat"
2505 aresample_filter_deps="swresample"
2506 ass_filter_deps="libass"
2507 asyncts_filter_deps="avresample"
2508 atempo_filter_deps="avcodec"
2509 atempo_filter_select="rdft"
2510 azmq_filter_deps="libzmq"
2511 blackframe_filter_deps="gpl"
2512 boxblur_filter_deps="gpl"
2513 bs2b_filter_deps="libbs2b"
2514 colormatrix_filter_deps="gpl"
2515 cropdetect_filter_deps="gpl"
2516 dctdnoiz_filter_deps="avcodec"
2517 dctdnoiz_filter_select="dct"
2518 delogo_filter_deps="gpl"
2519 deshake_filter_deps="avcodec"
2520 deshake_filter_select="me_cmp"
2521 drawtext_filter_deps="libfreetype"
2522 ebur128_filter_deps="gpl"
2523 flite_filter_deps="libflite"
2524 frei0r_filter_deps="frei0r dlopen"
2525 frei0r_filter_extralibs='$ldl'
2526 frei0r_src_filter_deps="frei0r dlopen"
2527 frei0r_src_filter_extralibs='$ldl'
2528 geq_filter_deps="gpl"
2529 histeq_filter_deps="gpl"
2530 hqdn3d_filter_deps="gpl"
2531 interlace_filter_deps="gpl"
2532 kerndeint_filter_deps="gpl"
2533 ladspa_filter_deps="ladspa dlopen"
2534 ladspa_filter_extralibs='$ldl'
2535 mcdeint_filter_deps="avcodec gpl"
2536 movie_filter_deps="avcodec avformat"
2537 mp_filter_deps="gpl avcodec swscale inline_asm"
2538 mpdecimate_filter_deps="gpl avcodec"
2539 mpdecimate_filter_select="me_cmp pixblockdsp"
2540 mptestsrc_filter_deps="gpl"
2541 negate_filter_deps="lut_filter"
2542 perspective_filter_deps="gpl"
2543 ocv_filter_deps="libopencv"
2544 owdenoise_filter_deps="gpl"
2545 pan_filter_deps="swresample"
2546 phase_filter_deps="gpl"
2547 pp_filter_deps="gpl postproc"
2548 pullup_filter_deps="gpl"
2549 removelogo_filter_deps="avcodec avformat swscale"
2550 resample_filter_deps="avresample"
2551 sab_filter_deps="gpl swscale"
2552 scale_filter_deps="swscale"
2553 smartblur_filter_deps="gpl swscale"
2554 showspectrum_filter_deps="avcodec"
2555 showspectrum_filter_select="rdft"
2556 spp_filter_deps="gpl avcodec"
2557 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2558 stereo3d_filter_deps="gpl"
2559 subtitles_filter_deps="avformat avcodec libass"
2560 super2xsai_filter_deps="gpl"
2561 tinterlace_filter_deps="gpl"
2562 vidstabdetect_filter_deps="libvidstab"
2563 vidstabtransform_filter_deps="libvidstab"
2564 pixfmts_super2xsai_test_deps="super2xsai_filter"
2565 tinterlace_merge_test_deps="tinterlace_filter"
2566 tinterlace_pad_test_deps="tinterlace_filter"
2567 zmq_filter_deps="libzmq"
2568 zoompan_filter_deps="swscale"
2571 avio_reading="avformat avcodec avutil"
2572 avcodec_example_deps="avcodec avutil"
2573 demuxing_decoding_example_deps="avcodec avformat avutil"
2574 filter_audio_example_deps="avfilter avutil"
2575 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2576 filtering_video_example_deps="avfilter avcodec avformat avutil"
2577 metadata_example_deps="avformat avutil"
2578 muxing_example_deps="avcodec avformat avutil swscale"
2579 remuxing_example_deps="avcodec avformat avutil"
2580 resampling_audio_example_deps="avutil swresample"
2581 scaling_video_example_deps="avutil swscale"
2582 transcode_aac_example_deps="avcodec avformat swresample"
2583 transcoding_example_deps="avfilter avcodec avformat avutil"
2585 # libraries, in linking order
2586 avcodec_deps="avutil"
2587 avdevice_deps="avformat avcodec avutil"
2588 avfilter_deps="avutil"
2589 avformat_deps="avcodec avutil"
2590 avresample_deps="avutil"
2591 postproc_deps="avutil gpl"
2592 swresample_deps="avutil"
2593 swscale_deps="avutil"
2596 ffmpeg_deps="avcodec avfilter avformat swresample"
2597 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2599 setpts_filter trim_filter"
2600 ffplay_deps="avcodec avformat swscale swresample sdl"
2601 ffplay_libs='$sdl_libs'
2602 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2603 ffprobe_deps="avcodec avformat"
2604 ffserver_deps="avformat fork sarestart"
2605 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2608 podpages_deps="perl"
2609 manpages_deps="perl pod2man"
2610 htmlpages_deps="perl texi2html"
2611 txtpages_deps="perl makeinfo"
2612 doc_deps_any="manpages htmlpages podpages txtpages"
2614 # default parameters
2616 logfile="config.log"
2618 # installation paths
2619 prefix_default="/usr/local"
2620 bindir_default='${prefix}/bin'
2621 datadir_default='${prefix}/share/ffmpeg'
2622 docdir_default='${prefix}/share/doc/ffmpeg'
2623 incdir_default='${prefix}/include'
2624 libdir_default='${prefix}/lib'
2625 mandir_default='${prefix}/share/man'
2626 shlibdir_default="$libdir_default"
2632 host_cc_default="gcc"
2634 doxygen_default="doxygen"
2639 pkg_config_default=pkg-config
2640 ranlib_default="ranlib"
2641 strip_default="strip"
2642 yasmexe_default="yasm"
2643 windres_default="windres"
2648 target_os_default=$(tolower $(uname -s))
2649 host_os=$target_os_default
2652 if test "$target_os_default" = aix; then
2653 arch_default=$(uname -p)
2654 strip_default="strip -X32_64"
2656 arch_default=$(uname -m)
2660 # configurable options
2661 enable $PROGRAM_LIST
2662 enable $DOCUMENT_LIST
2663 enable $EXAMPLE_LIST
2664 enable $(filter_out avresample $LIBRARY_LIST)
2670 enable optimizations
2671 enable runtime_cpudetect
2672 enable safe_bitstream_reader
2674 enable swscale_alpha
2676 sws_max_filter_size_default=256
2677 set_default sws_max_filter_size
2679 # Enable hwaccels by default.
2680 enable dxva2 vaapi vda vdpau xvmc
2684 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2687 FULLNAME='$(NAME)$(BUILDSUF)'
2688 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2691 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2692 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2693 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2694 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2695 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2696 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2718 host_cflags_filter=echo
2719 host_ldflags_filter=echo
2721 target_path='$(CURDIR)'
2723 # since the object filename is not given with the -MM flag, the compiler
2724 # is only able to print the basename, and we must add the path ourselves
2725 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2729 if test -f configure; then
2732 source_path=$(cd $(dirname "$0"); pwd)
2733 echo "$source_path" | grep -q '[[:blank:]]' &&
2734 die "Out of tree builds are impossible with whitespace in source path."
2735 test -e "$source_path/config.h" &&
2736 die "Out of tree builds are impossible with config.h in source dir."
2743 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2749 file=$source_path/$3
2750 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2753 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2754 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2755 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2756 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2757 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2758 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2759 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2760 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2761 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2762 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2763 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2779 for n in $COMPONENT_LIST; do
2780 v=$(toupper ${n%s})_LIST
2782 eval ${n}_if_any="\$$v"
2785 enable $ARCH_EXT_LIST
2788 echo "Unknown option \"$1\"."
2789 echo "See $0 --help for available options."
2794 cat | tr ' ' '\n' | sort | pr -r -3 -t
2800 echo $* | sed s/$suffix//g | print_3_columns
2812 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2813 echo "prob ${prob:-0.5}"
2821 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2822 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2832 add_extralibs $optval
2835 disable $INDEV_LIST $OUTDEV_LIST
2838 debuglevel="$optval"
2841 disable $PROGRAM_LIST
2843 --disable-everything)
2844 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2847 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2848 disable $LIBRARY_LIST $PROGRAM_LIST doc
2850 --enable-random|--disable-random)
2851 action=${opt%%-random}
2852 do_random ${action#--} $COMPONENT_LIST
2854 --enable-random=*|--disable-random=*)
2855 action=${opt%%-random=*}
2856 do_random ${action#--} $optval
2858 --enable-*=*|--disable-*=*)
2859 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2860 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2861 eval list=\$$(toupper $thing)_LIST
2862 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2863 list=$(filter "$name" $list)
2864 [ "$list" = "" ] && warn "Option $opt did not match anything"
2867 --enable-?*|--disable-?*)
2868 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2869 if is_in $option $COMPONENT_LIST; then
2870 test $action = disable && action=unset
2871 eval $action \$$(toupper ${option%s})_LIST
2872 elif is_in $option $CMDLINE_SELECT; then
2879 NAME="${opt#--list-}"
2880 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2882 eval show_list $NAME \$$(toupper $NAME)_LIST
2884 --help|-h) show_help
2886 --fatal-warnings) enable fatal_warnings
2889 optname="${opt%%=*}"
2890 optname="${optname#--}"
2891 optname=$(echo "$optname" | sed 's/-/_/g')
2892 if is_in $optname $CMDLINE_SET; then
2893 eval $optname='$optval'
2894 elif is_in $optname $CMDLINE_APPEND; then
2895 append $optname "$optval"
2903 disabled logging && logfile=/dev/null
2905 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2908 test -n "$cross_prefix" && enable cross_compile
2910 if enabled cross_compile; then
2911 test -n "$arch" && test -n "$target_os" ||
2912 die "Must specify target arch and OS when cross-compiling"
2915 ar_default="${cross_prefix}${ar_default}"
2916 cc_default="${cross_prefix}${cc_default}"
2917 cxx_default="${cross_prefix}${cxx_default}"
2918 nm_default="${cross_prefix}${nm_default}"
2919 pkg_config_default="${cross_prefix}${pkg_config_default}"
2920 ranlib_default="${cross_prefix}${ranlib_default}"
2921 strip_default="${cross_prefix}${strip_default}"
2922 windres_default="${cross_prefix}${windres_default}"
2924 sysinclude_default="${sysroot}/usr/include"
2926 test -n "$valgrind" && toolchain="valgrind-memcheck"
2928 case "$toolchain" in
2931 add_cflags -fsanitize=address
2932 add_ldflags -fsanitize=address
2936 add_cflags -fsanitize=thread -pie
2937 add_ldflags -fsanitize=thread -pie
2941 add_cflags -fsanitize=undefined
2942 add_ldflags -fsanitize=undefined
2946 add_cflags -fsanitize=address
2947 add_ldflags -fsanitize=address
2951 add_cflags -fsanitize=thread -pie -fPIC
2952 add_ldflags -fsanitize=thread -pie -fPIC
2956 add_cflags -fsanitize=undefined
2957 add_ldflags -fsanitize=undefined
2960 target_exec_default=${valgrind:-"valgrind"}
2961 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"
2964 target_exec_default=${valgrind:-"valgrind"}
2965 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2968 # Check whether the current MSVC version needs the C99 converter.
2969 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2970 # support enough of C99 to build ffmpeg. Default to the new
2971 # behaviour if the regexp was unable to match anything, since this
2972 # successfully parses the version number of existing supported
2973 # versions that require the converter (MSVC 2010 and 2012).
2974 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2975 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2978 cc_default="c99wrap cl"
2981 nm_default="dumpbin -symbols"
2983 target_os_default="win32"
2984 # Use a relative path for TMPDIR. This makes sure all the
2985 # ffconf temp files are written with a relative path, avoiding
2986 # issues with msys/win32 path conversion for MSVC parameters
2987 # such as -Fo<file> or -out:<file>.
2993 nm_default="dumpbin -symbols"
2995 target_os_default="win32"
2999 add_cflags -fprofile-arcs -ftest-coverage
3000 add_ldflags -fprofile-arcs -ftest-coverage
3003 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
3004 add_ldflags -Wl,-z,relro -Wl,-z,now
3007 die "Unknown toolchain $toolchain"
3011 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3012 target_exec target_os yasmexe
3013 enabled cross_compile || host_cc_default=$cc
3016 if ! $pkg_config --version >/dev/null 2>&1; then
3017 warn "$pkg_config not found, library detection may fail."
3021 if test $doxygen != $doxygen_default && \
3022 ! $doxygen --version >/dev/null 2>&1; then
3023 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3028 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3032 EXESUF=$(exesuf $target_os)
3033 HOSTEXESUF=$(exesuf $host_os)
3035 # set temporary file name
3036 : ${TMPDIR:=$TEMPDIR}
3040 if [ -n "$tempprefix" ] ; then
3042 echo $tempprefix.${HOSTNAME}.${UID}
3044 elif ! check_cmd mktemp -u XXXXXX; then
3045 # simple replacement for missing mktemp
3046 # NOT SAFE FOR GENERAL USE
3048 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3053 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3054 (set -C; exec > $tmp) 2>/dev/null ||
3055 die "Unable to create temporary file in $TMPDIR."
3056 append TMPFILES $tmp
3060 trap 'rm -f -- $TMPFILES' EXIT
3065 tmpfile TMPE $EXESUF
3077 # make sure we can execute files in $TMPDIR
3078 cat > $TMPSH 2>> $logfile <<EOF
3081 chmod +x $TMPSH >> $logfile 2>&1
3082 if ! $TMPSH >> $logfile 2>&1; then
3084 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3085 variable to another directory and make sure that it is not mounted noexec.
3087 die "Sanity test failed."
3093 -std=c99) echo -c99 ;;
3094 -mcpu=*) echo -arch ${flag#*=} ;;
3095 -mieee) echo -ieee ;;
3096 -O*|-fast) echo $flag ;;
3097 -fno-math-errno) echo -assume nomath_errno ;;
3099 -Wall) echo -msg_enable level2 ;;
3100 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3101 -Wl,*) echo $flag ;;
3111 -Wno-switch) echo -Wno-switch-enum ;;
3112 -Wno-format-zero-length) ;;
3113 -Wdisabled-optimization) ;;
3114 -Wno-pointer-sign) echo -Wno-other ;;
3120 msvc_common_flags(){
3123 # In addition to specifying certain flags under the compiler
3124 # specific filters, they must be specified here as well or else the
3125 # generic catch all at the bottom will print the original flag.
3129 -fomit-frame-pointer) ;;
3133 -fno-signed-zeros) ;;
3137 -lz) echo zlib.lib ;;
3138 -lavifil32) echo vfw32.lib ;;
3139 -lavicap32) echo vfw32.lib user32.lib ;;
3140 -l*) echo ${flag#-l}.lib ;;
3147 msvc_common_flags "$@"
3150 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3151 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3152 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3160 msvc_common_flags "$@"
3163 # Despite what Intel's documentation says -Wall, which is supported
3164 # on Windows, does enable remarks so disable them here.
3165 -Wall) echo $flag -Qdiag-disable:remark ;;
3166 -std=c99) echo -Qstd=c99 ;;
3184 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3185 -fomit-frame-pointer) echo -Mnoframe ;;
3196 case "${flag#*=}" in
3197 native) echo -xtarget=native ;;
3198 v9|niagara) echo -xarch=sparc ;;
3199 ultrasparc) echo -xarch=sparcvis ;;
3200 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3201 i586|pentium) echo -xchip=pentium ;;
3202 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3203 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3204 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3205 pentium4*) echo -xtarget=pentium4 ;;
3206 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3207 *-sse3) echo -xarch=sse3 ;;
3208 core2) echo -xarch=ssse3 -xchip=core2 ;;
3209 bonnell) echo -xarch=ssse3 ;;
3210 corei7|nehalem) echo -xtarget=nehalem ;;
3211 westmere) echo -xtarget=westmere ;;
3212 silvermont) echo -xarch=sse4_2 ;;
3213 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3214 core-avx*|ivybridge|haswell|broadwell)
3216 amdfam10|barcelona) echo -xtarget=barcelona ;;
3217 btver1) echo -xarch=amdsse4a ;;
3218 btver2|bdver*) echo -xarch=avx ;;
3219 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3220 k8|opteron|athlon64|athlon-fx)
3221 echo -xarch=sse2a ;;
3222 athlon*) echo -xarch=pentium_proa ;;
3225 -std=c99) echo -xc99 ;;
3226 -fomit-frame-pointer) echo -xregs=frameptr ;;
3227 -fPIC) echo -KPIC -xcode=pic32 ;;
3228 -W*,*) echo $flag ;;
3229 -f*-*|-W*|-mimpure-text) ;;
3240 case "${flag#*=}" in
3241 armv7-a|cortex-a*) echo -mv=7a8 ;;
3242 armv7-r|cortex-r*) echo -mv=7r4 ;;
3243 armv7-m|cortex-m*) echo -mv=7m3 ;;
3244 armv6*|arm11*) echo -mv=6 ;;
3245 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3247 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3250 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3251 -mfpu=vfp) echo --float_support=vfpv2 ;;
3252 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3253 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3254 -msoft-float) echo --float_support=vfplib ;;
3255 -O[0-3]|-mf=*) echo $flag ;;
3257 -pds=*) echo $flag ;;
3258 -D*|-I*) echo $flag ;;
3259 --gcc|--abi=*) echo $flag ;;
3269 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3270 unset _ld_o _ldflags _ld_lib _ld_path
3271 unset _depflags _DEPCMD _DEPFLAGS
3274 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3275 true # no-op to avoid reading stdin in following checks
3276 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3278 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3279 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3280 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3283 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3285 gcc_version=$($_cc --version | head -n1)
3286 gcc_basever=$($_cc -dumpversion)
3287 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3288 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3289 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3290 if ! $_cc -dumpversion | grep -q '^2\.'; then
3291 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3295 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3297 _ident=$($_cc --version | head -n1)
3302 _flags_filter=icc_flags
3303 elif $_cc -v 2>&1 | grep -q xlc; then
3305 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3307 _cflags_size='-O5 -qcompact'
3308 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3310 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3312 _cflags_speed='-fast'
3314 _flags_filter=ccc_flags
3315 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3316 test -d "$sysroot" || die "No valid sysroot specified."
3318 _ident=$($_cc --vsn | head -n1 | sed 's/.*: //')
3319 armcc_conf="$PWD/armcc.conf"
3320 $_cc --arm_linux_configure \
3321 --arm_linux_config_file="$armcc_conf" \
3322 --configure_sysroot="$sysroot" \
3323 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3324 die "Error creating armcc configuration file."
3325 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3326 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3327 as_default="${cross_prefix}gcc"
3331 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3333 _ident=$($_cc -version | head -n1 | tr -s ' ')
3334 _flags='--gcc --abi=eabi -me'
3337 _depflags='-ppa -ppd=$(@:.o=.d)'
3338 _cflags_speed='-O3 -mf=5'
3339 _cflags_size='-O3 -mf=2'
3340 _flags_filter=tms470_flags
3341 elif $_cc -v 2>&1 | grep -q clang; then
3343 _ident=$($_cc --version | head -n1)
3344 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3347 elif $_cc -V 2>&1 | grep -q Sun; then
3349 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3350 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3351 _DEPFLAGS='-xM1 -xc99'
3354 _cflags_size='-O5 -xspace'
3355 _flags_filter=suncc_flags
3356 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3358 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3359 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3362 _flags_filter='filter_out -Wdisabled-optimization'
3363 elif $_cc -v 2>&1 | grep -q Open64; then
3365 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3366 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3369 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3370 elif $_cc -V 2>&1 | grep -q Portland; then
3372 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3373 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3374 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3375 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3377 _flags_filter=pgi_flags
3378 elif $_cc 2>&1 | grep -q Microsoft; then
3380 _ident=$($cc 2>&1 | head -n1)
3381 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3382 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3385 if $_cc 2>&1 | grep -q Linker; then
3392 _flags_filter=msvc_flags
3394 _ld_path='-libpath:'
3396 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3397 if [ $pfx = hostcc ]; then
3398 append _cflags -Dsnprintf=_snprintf
3401 elif $_cc 2>&1 | grep -q Intel; then
3403 _ident=$($cc 2>&1 | head -n1)
3404 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3405 # Not only is O3 broken on 13.x+ but it is slower on all previous
3406 # versions (tested) as well.
3408 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3409 if $_cc 2>&1 | grep -q Linker; then
3416 _flags_filter=icl_flags
3418 _ld_path='-libpath:'
3419 # -Qdiag-error to make icl error when seeing certain unknown arguments
3420 _flags='-nologo -Qdiag-error:4044,10157'
3421 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3422 # with MSVC which enables it by default.
3423 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3424 if [ $pfx = hostcc ]; then
3425 append _cflags -Dsnprintf=_snprintf
3427 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3429 _ident=$($_cc --version | head -n1)
3433 _flags_filter=cparser_flags
3436 eval ${pfx}_type=\$_type
3437 eval ${pfx}_ident=\$_ident
3441 eval ${1}_C=\${_cc_c-\${${1}_C}}
3442 eval ${1}_E=\${_cc_e-\${${1}_E}}
3443 eval ${1}_O=\${_cc_o-\${${1}_O}}
3445 if [ -n "$_depflags" ]; then
3446 eval ${1}_DEPFLAGS=\$_depflags
3448 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3449 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3450 eval DEP${1}FLAGS=\$_flags
3455 cflags_filter=$_flags_filter
3456 cflags_speed=$_cflags_speed
3457 cflags_size=$_cflags_size
3458 cflags_noopt=$_cflags_noopt
3459 add_cflags $_flags $_cflags
3460 cc_ldflags=$_ldflags
3463 probe_cc hostcc "$host_cc"
3464 host_cflags_filter=$_flags_filter
3465 add_host_cflags $_flags $_cflags
3468 test -n "$cc_type" && enable $cc_type ||
3469 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3471 : ${as_default:=$cc}
3472 : ${dep_cc_default:=$cc}
3473 : ${ld_default:=$cc}
3474 : ${host_ld_default:=$host_cc}
3475 set_default ar as dep_cc ld host_ld windres
3478 asflags_filter=$_flags_filter
3479 add_asflags $_flags $_cflags
3483 ldflags_filter=$_flags_filter
3484 add_ldflags $_flags $_ldflags
3485 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3487 LD_LIB=${_ld_lib-$LD_LIB}
3488 LD_PATH=${_ld_path-$LD_PATH}
3490 probe_cc hostld "$host_ld"
3491 host_ldflags_filter=$_flags_filter
3492 add_host_ldflags $_flags $_ldflags
3493 HOSTLD_O=${_ld_o-$HOSTLD_O}
3495 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3496 probe_cc depcc "$dep_cc"
3497 CCDEP=${_DEPCMD:-$DEPCMD}
3498 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3502 if $ar 2>&1 | grep -q Microsoft; then
3505 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3508 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3509 arflags='-Xany -r -c'
3516 add_cflags $extra_cflags
3517 add_cxxflags $extra_cxxflags
3518 add_asflags $extra_cflags
3520 if test -n "$sysroot"; then
3523 add_cppflags --sysroot="$sysroot"
3524 add_ldflags --sysroot="$sysroot"
3525 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3526 add_cppflags -isysroot "$sysroot"
3527 add_ldflags -isysroot "$sysroot"
3530 add_cppflags -I"$sysinclude"
3531 add_ldflags --sysroot="$sysroot"
3536 if test "$cpu" = host; then
3537 enabled cross_compile &&
3538 die "--cpu=host makes no sense when cross-compiling."
3543 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3545 s/.*$1=\\([^ ]*\\).*/\\1/
3550 cpu=$(check_native -march || check_native -mcpu)
3554 test "${cpu:-host}" = host &&
3555 die "--cpu=host not supported with compiler $cc"
3558 # Deal with common $arch aliases
3572 "Power Macintosh"|ppc*|powerpc*)
3587 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3592 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3595 # Add processor-specific flags
3596 if enabled aarch64; then
3600 cpuflags="-march=$cpu"
3603 cpuflags="-mcpu=$cpu"
3607 elif enabled alpha; then
3609 cpuflags="-mcpu=$cpu"
3611 elif enabled arm; then
3614 check_cpp_condition stddef.h \
3615 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3620 if check_arm_arch 4; then echo armv4;
3621 elif check_arm_arch 4T; then echo armv4t;
3622 elif check_arm_arch 5; then echo armv5;
3623 elif check_arm_arch 5E; then echo armv5e;
3624 elif check_arm_arch 5T; then echo armv5t;
3625 elif check_arm_arch 5TE; then echo armv5te;
3626 elif check_arm_arch 5TEJ; then echo armv5te;
3627 elif check_arm_arch 6; then echo armv6;
3628 elif check_arm_arch 6J; then echo armv6j;
3629 elif check_arm_arch 6K; then echo armv6k;
3630 elif check_arm_arch 6Z; then echo armv6z;
3631 elif check_arm_arch 6ZK; then echo armv6zk;
3632 elif check_arm_arch 6T2; then echo armv6t2;
3633 elif check_arm_arch 7; then echo armv7;
3634 elif check_arm_arch 7A 7_A; then echo armv7-a;
3635 elif check_arm_arch 7R 7_R; then echo armv7-r;
3636 elif check_arm_arch 7M 7_M; then echo armv7-m;
3637 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3638 elif check_arm_arch 8A 8_A; then echo armv8-a;
3642 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3646 cpuflags="-march=$cpu"
3647 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3650 cpuflags="-mcpu=$cpu"
3652 cortex-a*) subarch=armv7a ;;
3653 cortex-r*) subarch=armv7r ;;
3654 cortex-m*) enable thumb; subarch=armv7m ;;
3655 arm11*) subarch=armv6 ;;
3656 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3657 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3658 *) subarch=$(probe_arm_arch) ;;
3664 armv5t*) enable fast_clz ;;
3667 disabled fast_unaligned || enable fast_unaligned
3671 elif enabled avr32; then
3676 cpuflags="-mpart=$cpu"
3680 cpuflags="-march=$cpu"
3684 cpuflags="-mcpu=$cpu"
3688 cpuflags="-march=$cpu"
3692 elif enabled bfin; then
3694 cpuflags="-mcpu=$cpu"
3696 elif enabled mips; then
3698 cpuflags="-march=$cpu"
3714 24kef*|34kf*|1004kf*)
3722 elif enabled ppc; then
3727 case $(tolower $cpu) in
3728 601|ppc601|powerpc601)
3729 cpuflags="-mcpu=601"
3732 603*|ppc603*|powerpc603*)
3733 cpuflags="-mcpu=603"
3736 604*|ppc604*|powerpc604*)
3737 cpuflags="-mcpu=604"
3740 g3|75*|ppc75*|powerpc75*)
3741 cpuflags="-mcpu=750"
3744 g4|745*|ppc745*|powerpc745*)
3745 cpuflags="-mcpu=7450"
3747 74*|ppc74*|powerpc74*)
3748 cpuflags="-mcpu=7400"
3750 g5|970|ppc970|powerpc970)
3751 cpuflags="-mcpu=970"
3754 cpuflags="-mcpu=$cpu"
3757 cpuflags="-mcpu=cell"
3761 cpuflags="-mcpu=e500mc"
3765 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3770 cpuflags="-mcpu=8540 -mhard-float"
3776 elif enabled sparc; then
3779 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3780 cpuflags="-mcpu=$cpu"
3782 ultrasparc*|niagara[234])
3783 cpuflags="-mcpu=$cpu"
3787 elif enabled x86; then
3791 cpuflags="-march=$cpu"
3794 # targets that do NOT support nopl and conditional mov (cmov)
3795 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3796 cpuflags="-march=$cpu"
3799 # targets that do support nopl and conditional mov (cmov)
3800 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
3801 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
3802 cpuflags="-march=$cpu"
3806 # targets that do support conditional mov but on which it's slow
3807 pentium4|pentium4m|prescott|nocona)
3808 cpuflags="-march=$cpu"
3816 if [ "$cpu" != generic ]; then
3817 add_cflags $cpuflags
3818 add_asflags $cpuflags
3821 # compiler sanity check
3823 int main(void){ return 0; }
3825 if test "$?" != 0; then
3826 echo "$cc is unable to create an executable file."
3827 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3828 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3829 echo "Only do this if you know what cross compiling means."
3831 die "C compiler test failed."
3834 add_cppflags -D_ISOC99_SOURCE
3835 add_cxxflags -D__STDC_CONSTANT_MACROS
3836 check_cflags -std=c99
3837 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3840 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3844 add_host_cppflags -D_ISOC99_SOURCE
3845 check_host_cflags -std=c99
3846 check_host_cflags -Wall
3847 check_host_cflags -O3
3853 check_code cc "" "int test[2*($expr) - 1]" &&
3854 subarch=$arch64 || subarch=$arch32
3862 check_64bit mips mips64 '_MIPS_SIM > 1'
3866 check_64bit parisc parisc64 'sizeof(void *) > 4'
3870 check_64bit ppc ppc64 'sizeof(void *) > 4'
3874 check_64bit s390 s390x 'sizeof(void *) > 4'
3878 check_64bit sparc sparc64 'sizeof(void *) > 4'
3882 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3883 if test "$subarch" = "x86_64"; then
3888 check_cc <<EOF && subarch="ppc64"
3889 int test[(int)sizeof(char*) - 7];
3895 enabled spic && enable_weak pic
3901 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3902 enabled shared && add_ldflags -Wl,-brtl
3906 SLIB_INSTALL_NAME='$(SLIBNAME)'
3908 # soname not set on purpose
3912 prefix_default="/boot/common"
3913 network_extralibs="-lnetwork"
3917 SHFLAGS='-shared -Wl,-h,$$(@F)'
3918 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3919 network_extralibs="-lsocket -lnsl"
3920 # When using suncc to build, the Solaris linker will mark
3921 # an executable with each instruction set encountered by
3922 # the Solaris assembler. As our libraries contain their own
3923 # guards for processor-specific code, instead suppress
3924 # generation of the HWCAPS ELF section on Solaris x86 only.
3925 enabled_all suncc x86 &&
3926 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3927 add_ldflags -Wl,-M,mapfile
3928 nm_default='nm -P -g'
3932 oss_indev_extralibs="-lossaudio"
3933 oss_outdev_extralibs="-lossaudio"
3934 enabled gcc || check_ldflags -Wl,-zmuldefs
3939 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3941 oss_indev_extralibs="-lossaudio"
3942 oss_outdev_extralibs="-lossaudio"
3950 add_extralibs -lpoll -lgnugetopt
3954 test "${as#*gas-preprocessor.pl}" != "$as" || gas="${gas:=gas-preprocessor.pl} ${as:=$cc}"
3955 enabled ppc && add_asflags -force_cpusubtype_ALL
3956 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3957 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3959 add_ldflags -Wl,-dynamic,-search_paths_first
3961 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3962 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3964 enabled x86_64 && objformat="macho64"
3965 enabled_any pic shared ||
3966 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3969 if test $target_os = "mingw32ce"; then
3975 if enabled x86_64; then
3976 LIBTARGET="i386:x86-64"
3977 elif enabled arm; then
3980 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3981 check_ldflags -Wl,--nxcompat
3982 check_ldflags -Wl,--dynamicbase
3983 shlibdir_default="$bindir_default"
3986 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3987 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3988 dlltool="${cross_prefix}dlltool"
3989 if check_cmd lib.exe -list; then
3990 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3991 if enabled x86_64; then
3994 elif check_cmd $dlltool --version; then
3995 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3997 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3999 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4000 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4001 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4008 if enabled shared; then
4009 # Link to the import library instead of the normal static library
4012 # Cannot build both shared and static libs with MSVC or icl.
4015 shlibdir_default="$bindir_default"
4018 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4019 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4020 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4021 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4023 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4024 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4025 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4032 shlibdir_default="$bindir_default"
4035 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4036 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4037 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4039 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4040 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4043 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4045 *-dos|freedos|opendos)
4046 network_extralibs="-lsocket"
4049 add_cppflags -U__STRICT_ANSI__
4056 ranlib="echo ignoring ranlib"
4062 add_cppflags -D_GNU_SOURCE
4063 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4064 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4068 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4069 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4070 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4071 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
4072 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4073 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4074 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4075 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
4076 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4077 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4078 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4080 enable_weak os2threads
4083 add_cppflags -D_BSD_SOURCE
4088 add_cppflags -D_QNX_SOURCE
4089 network_extralibs="-lsocket"
4094 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4095 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4096 add_ldflags -Wl,--target1-abs,--no-undefined \
4097 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4098 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4099 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4100 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4101 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4104 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4109 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4110 -D_REENTRANT_SOURCE \
4111 -D_RESEARCH_SOURCE \
4114 add_compat strtod.o strtod=avpriv_strtod
4115 network_extralibs='-lbsd'
4116 exeobjs=compat/plan9/main.o
4123 die "Unknown OS '$target_os'."
4127 # determine libc flavour
4132 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4133 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4134 eval ${pfx}libc_type=uclibc
4135 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4136 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4137 eval ${pfx}libc_type=glibc
4138 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4139 # MinGW headers can be installed on Cygwin, so check for newlib first.
4140 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4141 eval ${pfx}libc_type=newlib
4142 add_${pfx}cppflags -U__STRICT_ANSI__
4143 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4144 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4145 eval ${pfx}libc_type=mingw64
4146 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4147 add_compat msvcrt/snprintf.o
4148 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4150 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4151 eval test \$${pfx_no_}cc_type = "gcc" &&
4152 add_${pfx}cppflags -D__printf__=__gnu_printf__
4153 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4154 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4155 eval ${pfx}libc_type=mingw32
4156 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4157 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4158 die "ERROR: MinGW32 runtime version must be >= 3.15."
4159 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4160 eval test \$${pfx_no_}cc_type = "gcc" &&
4161 add_${pfx}cppflags -D__printf__=__gnu_printf__
4162 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4163 eval ${pfx}libc_type=msvcrt
4164 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4165 # 0x601 by default unless something else is set by the user.
4166 # This can easily lead to us detecting functions only present
4167 # in such new versions and producing binaries requiring windows 7.0.
4168 # Therefore explicitly set the default to XP unless the user has
4169 # set something else on the command line.
4170 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4171 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4172 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4173 eval ${pfx}libc_type=klibc
4174 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4175 eval ${pfx}libc_type=bionic
4176 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4177 eval ${pfx}libc_type=solaris
4178 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4183 test -n "$libc_type" && enable libc_$libc_type
4185 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4189 add_compat strtod.o strtod=avpriv_strtod
4192 add_compat strtod.o strtod=avpriv_strtod
4193 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4194 _snprintf=avpriv_snprintf \
4195 vsnprintf=avpriv_vsnprintf
4199 # hacks for compiler/libc/os combinations
4201 if enabled_all tms470 libc_glibc; then
4202 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4203 add_cppflags -D__USER_LABEL_PREFIX__=
4204 add_cppflags -D__builtin_memset=memset
4205 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4206 add_cflags -pds=48 # incompatible redefinition of macro
4209 if enabled_all ccc libc_glibc; then
4210 add_ldflags -Wl,-z,now # calls to libots crash without this
4213 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4214 add_cppflags '-I\$(SRC_PATH)/compat/float'
4217 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4220 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4222 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4224 set_default $PATHS_LIST
4227 # we need to build at least one lib type
4228 if ! enabled_any static shared; then
4230 At least one library type must be built.
4231 Specify --enable-static to build the static libraries or --enable-shared to
4232 build the shared libraries as well. To only build the shared libraries specify
4233 --disable-static in addition to --enable-shared.
4238 die_license_disabled() {
4239 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4242 die_license_disabled_gpl() {
4243 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4246 die_license_disabled gpl frei0r
4247 die_license_disabled gpl libcdio
4248 die_license_disabled gpl libsmbclient
4249 die_license_disabled gpl libutvideo
4250 die_license_disabled gpl libvidstab
4251 die_license_disabled gpl libx264
4252 die_license_disabled gpl libx265
4253 die_license_disabled gpl libxavs
4254 die_license_disabled gpl libxvid
4255 die_license_disabled gpl libzvbi
4256 die_license_disabled gpl x11grab
4258 die_license_disabled nonfree libaacplus
4259 die_license_disabled nonfree libfaac
4260 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4261 enabled gpl && die_license_disabled_gpl nonfree openssl
4263 die_license_disabled version3 libopencore_amrnb
4264 die_license_disabled version3 libopencore_amrwb
4265 die_license_disabled version3 libsmbclient
4266 die_license_disabled version3 libvo_aacenc
4267 die_license_disabled version3 libvo_amrwbenc
4269 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4271 disabled optimizations || check_cflags -fomit-frame-pointer
4274 disabled pic && return
4277 case "$target_os" in
4287 enabled pic && enable_weak_pic
4289 check_cc <<EOF || die "Symbol mangling check failed."
4292 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4293 extern_prefix=${sym%%ff_extern*}
4295 check_cc <<EOF && enable_weak inline_asm
4296 void foo(void) { __asm__ volatile ("" ::); }
4300 for restrict_keyword in restrict __restrict__ __restrict; do
4301 check_cc <<EOF && _restrict=$restrict_keyword && break
4302 void foo(char * $restrict_keyword p);
4306 check_cc <<EOF && enable pragma_deprecated
4307 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4310 check_cc <<EOF && enable attribute_packed
4311 struct { int x; } __attribute__((packed)) x;
4314 check_cc <<EOF && enable attribute_may_alias
4315 union { int x; } __attribute__((may_alias)) x;
4318 check_cc <<EOF || die "endian test failed"
4319 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4321 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4323 if [ "$cpu" = "power7" ] || [ "$cpu" = "power8" ] ;then
4324 if ! enabled bigendian ;then
4330 if enabled asm; then
4331 enabled arm && nogas=die
4332 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4334 check_as <<EOF && enable gnu_as || \
4335 $nogas "GNU assembler not found, install gas-preprocessor"
4342 check_as <<EOF || $nogas "GNU assembler not found, install gas-preprocessor"
4346 check_as <<EOF && enable as_func
4352 check_inline_asm inline_asm_labels '"1:\n"'
4354 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4356 if enabled aarch64; then
4357 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4358 # internal assembler in clang 3.3 does not support this instruction
4359 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4360 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4362 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4364 elif enabled alpha; then
4368 elif enabled arm; then
4370 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4371 float func(float a, float b){ return a+b; }
4374 enabled thumb && check_cflags -mthumb || check_cflags -marm
4376 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4378 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4379 case "${cross_prefix:-$cc}" in
4380 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4381 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4382 __asm__ (".eabi_attribute 28, 1");
4383 int main(void) { return 0; }
4386 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4389 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4390 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4391 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4392 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4393 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4394 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4396 [ $target_os = linux ] || [ $target_os = android ] ||
4397 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4400 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4402 check_as <<EOF && enable as_dn_directive
4407 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4409 elif enabled mips; then
4411 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4412 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4413 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4414 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4415 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4416 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4417 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4418 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4419 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4421 elif enabled parisc; then
4423 if enabled gcc; then
4424 case $($cc -dumpversion) in
4425 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4429 elif enabled ppc; then
4431 enable local_aligned_8 local_aligned_16 local_aligned_32
4433 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4434 check_inline_asm ibm_asm '"add 0, 0, 0"'
4435 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4436 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4438 # AltiVec flags: The FSF version of GCC differs from the Apple version
4439 if enabled altivec; then
4440 check_cflags -maltivec -mabi=altivec &&
4441 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4442 check_cflags -faltivec
4444 # check if our compiler supports Motorola AltiVec C API
4445 check_cc <<EOF || disable altivec
4448 vector signed int v1 = (vector signed int) { 0 };
4449 vector signed int v2 = (vector signed int) { 1 };
4450 v1 = vec_add(v1, v2);
4455 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4458 if enabled vsx; then
4461 elif enabled x86; then
4463 check_builtin rdtsc intrin.h "__rdtsc()"
4464 check_builtin mm_empty mmintrin.h "_mm_empty()"
4466 enable local_aligned_8 local_aligned_16 local_aligned_32
4468 # check whether EBP is available on x86
4469 # As 'i' is stored on the stack, this program will crash
4470 # if the base pointer is used to access it because the
4471 # base pointer is cleared in the inline assembly code.
4472 check_exec_crash <<EOF && enable ebp_available
4474 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4478 # check whether EBX is available on x86
4479 check_inline_asm ebx_available '""::"b"(0)' &&
4480 check_inline_asm ebx_available '"":::"%ebx"'
4482 # check whether xmm clobbers are supported
4483 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4485 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4486 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4488 # check whether binutils is new enough to compile SSSE3/MMXEXT
4489 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4490 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4492 if ! disabled_any asm mmx yasm; then
4493 if check_cmd $yasmexe --version; then
4494 enabled x86_64 && yasm_extra="-m amd64"
4495 yasm_debug="-g dwarf2"
4496 elif check_cmd nasm -v; then
4498 yasm_debug="-g -F dwarf"
4499 if enabled x86_64; then
4500 case "$objformat" in
4501 elf) objformat=elf64 ;;
4502 win32) objformat=win64 ;;
4507 YASMFLAGS="-f $objformat $yasm_extra"
4508 enabled pic && append YASMFLAGS "-DPIC"
4509 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4510 case "$objformat" in
4511 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4514 check_yasm "movbe ecx, [5]" && enable yasm ||
4515 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4516 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4517 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4518 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4519 check_yasm "CPU amdnop" || disable cpunop
4523 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4530 check_ldflags -Wl,--as-needed
4532 if check_func dlopen; then
4534 elif check_func dlopen -ldl; then
4538 if ! disabled network; then
4539 check_func getaddrinfo $network_extralibs
4540 check_func getservbyport $network_extralibs
4541 check_func inet_aton $network_extralibs
4543 check_type netdb.h "struct addrinfo"
4544 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4545 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4546 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4547 check_type poll.h "struct pollfd"
4548 check_type netinet/sctp.h "struct sctp_event_subscribe"
4549 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4550 check_type netinet/in.h "struct sockaddr_in6"
4551 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4552 check_type "sys/types.h sys/socket.h" socklen_t
4554 # Prefer arpa/inet.h over winsock2
4555 if check_header arpa/inet.h ; then
4556 check_func closesocket
4557 elif check_header winsock2.h ; then
4558 check_func_headers winsock2.h closesocket -lws2 &&
4559 network_extralibs="-lws2" ||
4560 { check_func_headers winsock2.h closesocket -lws2_32 &&
4561 network_extralibs="-lws2_32"; } || disable winsock2_h network
4562 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4564 check_type ws2tcpip.h socklen_t
4565 check_type ws2tcpip.h "struct addrinfo"
4566 check_type ws2tcpip.h "struct group_source_req"
4567 check_type ws2tcpip.h "struct ip_mreq_source"
4568 check_type ws2tcpip.h "struct ipv6_mreq"
4569 check_type winsock2.h "struct pollfd"
4570 check_struct winsock2.h "struct sockaddr" sa_len
4571 check_type ws2tcpip.h "struct sockaddr_in6"
4572 check_type ws2tcpip.h "struct sockaddr_storage"
4578 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4579 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4580 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4581 check_builtin sarestart signal.h "SA_RESTART"
4582 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4584 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4585 check_func ${malloc_prefix}memalign && enable memalign
4586 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4589 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4592 check_func gethrtime
4594 check_func getrusage
4595 check_func gettimeofday
4597 check_func localtime_r
4598 check_func mach_absolute_time
4602 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4603 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4604 check_func sched_getaffinity
4605 check_func setrlimit
4606 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4607 check_func strerror_r
4612 check_func_headers conio.h kbhit
4613 check_func_headers io.h setmode
4614 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4615 check_func_headers stdlib.h getenv
4617 check_func_headers windows.h CoTaskMemFree -lole32
4618 check_func_headers windows.h GetProcessAffinityMask
4619 check_func_headers windows.h GetProcessTimes
4620 check_func_headers windows.h GetSystemTimeAsFileTime
4621 check_func_headers windows.h MapViewOfFile
4622 check_func_headers windows.h PeekNamedPipe
4623 check_func_headers windows.h SetConsoleTextAttribute
4624 check_func_headers windows.h Sleep
4625 check_func_headers windows.h VirtualAlloc
4626 check_func_headers glob.h glob
4628 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4630 check_header cl/cl.h
4631 check_header direct.h
4632 check_header dlfcn.h
4634 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4636 check_header libcrystalhd/libcrystalhd_if.h
4637 check_header mach/mach_time.h
4638 check_header malloc.h
4640 check_header sys/mman.h
4641 check_header sys/param.h
4642 check_header sys/resource.h
4643 check_header sys/select.h
4644 check_header sys/time.h
4645 check_header sys/un.h
4646 check_header termios.h
4647 check_header unistd.h
4648 check_header vdpau/vdpau.h
4649 check_header vdpau/vdpau_x11.h
4650 check_header VideoDecodeAcceleration/VDADecoder.h
4651 check_header windows.h
4652 check_header X11/extensions/XvMClib.h
4653 check_header asm/types.h
4655 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4656 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4657 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4659 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4661 if ! disabled w32threads && ! enabled pthreads; then
4662 check_func_headers "windows.h process.h" _beginthreadex &&
4663 enable w32threads || disable w32threads
4666 # check for some common methods of building with pthread support
4667 # do this before the optional library checks as some of them require pthreads
4668 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4670 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4672 add_extralibs -pthread
4673 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4674 add_cflags -pthreads
4675 add_extralibs -pthreads
4676 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
4677 add_cflags -ldl -pthread
4678 add_extralibs -ldl -pthread
4679 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4680 add_extralibs -lpthreadGC2
4681 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4683 elif ! check_func pthread_join && ! check_func pthread_create; then
4686 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4690 if enabled pthreads; then
4691 check_func pthread_cancel
4694 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4695 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4697 check_lib math.h sin -lm && LIBM="-lm"
4698 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4705 for func in $MATH_FUNCS; do
4706 eval check_mathfunc $func \${${func}_args:-1}
4709 # these are off by default, so fail if requested and not available
4710 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
4711 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4712 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4713 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4714 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
4715 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4716 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4717 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4718 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4719 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4720 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4721 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
4722 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4723 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4724 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4725 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4726 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4727 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4728 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4729 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"
4730 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4731 enabled fontconfig && enable libfontconfig
4732 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4733 enabled libfreetype && require_libfreetype
4734 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
4735 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4736 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4737 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4738 done || die "ERROR: libgsm not found"; }
4739 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4740 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4741 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4742 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4743 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4744 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4745 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4746 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4747 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4748 die "ERROR: libopenjpeg not found"; }
4749 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4750 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4751 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4752 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4753 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4754 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4755 enabled libsmbclient && { { check_pkg_config smbclient libsmbclient.h smbc_init &&
4756 require_pkg_config smbclient libsmbclient.h smbc_init; } ||
4757 require smbclient libsmbclient.h smbc_init -lsmbclient; }
4758 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4759 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4760 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4761 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4762 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4763 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4764 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4765 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4766 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4767 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4768 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4769 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4770 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
4771 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4772 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4773 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4775 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4776 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4777 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 ||
4778 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4779 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4780 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_SVC" -lvpx || disable libvpx_vp9_encoder; } }
4781 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4782 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4783 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4784 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4785 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4786 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
4787 { check_cpp_condition x265.h "X265_BUILD >= 17" ||
4788 die "ERROR: libx265 version must be >= 17."; }
4789 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4790 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4791 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4792 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4793 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4794 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4795 die "ERROR: openal not found"; } &&
4796 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4797 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4798 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4799 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4800 die "ERROR: opencl not found"; } &&
4801 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4802 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4803 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4804 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
4805 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
4806 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
4807 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
4808 die "ERROR: opengl not found."
4810 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4811 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4812 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4813 die "ERROR: openssl not found"; }
4814 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
4816 if enabled gnutls; then
4817 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4818 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4822 if enabled libdc1394; then
4823 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4824 enable libdc1394_2; } ||
4825 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4826 enable libdc1394_1; } ||
4827 die "ERROR: No version of libdc1394 found "
4830 SDL_CONFIG="${cross_prefix}sdl-config"
4831 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4832 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4833 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4836 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4837 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4838 sdl_libs=$("${SDL_CONFIG}" --libs)
4839 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4840 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4841 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4845 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4847 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4848 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4849 perl -v > /dev/null 2>&1 && enable perl || disable perl
4850 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4851 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4853 check_header linux/fb.h
4854 check_header linux/videodev.h
4855 check_header linux/videodev2.h
4856 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4858 check_header sys/videoio.h
4860 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4861 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4862 # w32api 3.12 had it defined wrong
4863 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4865 check_type "dshow.h" IBaseFilter
4867 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4868 { check_header dev/bktr/ioctl_meteor.h &&
4869 check_header dev/bktr/ioctl_bt848.h; } ||
4870 { check_header machine/ioctl_meteor.h &&
4871 check_header machine/ioctl_bt848.h; } ||
4872 { check_header dev/video/meteor/ioctl_meteor.h &&
4873 check_header dev/video/bktr/ioctl_bt848.h; } ||
4874 check_header dev/ic/bt8xx.h
4876 check_header sndio.h
4877 if check_struct sys/soundcard.h audio_buf_info bytes; then
4878 enable_safe sys/soundcard.h
4880 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4881 #include <sys/soundcard.h>
4885 check_header soundcard.h
4887 enabled_any alsa_indev alsa_outdev &&
4888 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4890 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4891 check_func jack_port_get_latency_range -ljack
4893 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4895 if enabled libcdio; then
4896 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4897 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4898 die "ERROR: libcdio-paranoia not found"
4902 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
4905 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4906 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4907 { enabled xlib || die "ERROR: Xlib not found"; }
4909 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
4911 enabled dxva2api_h &&
4912 check_cc <<EOF && enable dxva2api_cobj
4913 #define _WIN32_WINNT 0x0600
4915 #include <windows.h>
4917 #include <dxva2api.h>
4918 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
4922 check_lib va/va.h vaInitialize -lva ||
4926 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4929 enabled vdpau && enabled xlib &&
4930 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4931 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
4934 # Funny iconv installations are not unusual, so check it after all flags have been set
4935 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4937 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4939 # add some useful compiler flags if supported
4940 check_cflags -Wdeclaration-after-statement
4942 check_cflags -Wdisabled-optimization
4943 check_cflags -Wpointer-arith
4944 check_cflags -Wredundant-decls
4945 check_cflags -Wwrite-strings
4946 check_cflags -Wtype-limits
4947 check_cflags -Wundef
4948 check_cflags -Wmissing-prototypes
4949 check_cflags -Wno-pointer-to-int-cast
4950 check_cflags -Wstrict-prototypes
4951 check_cflags -Wempty-body
4952 enabled extra_warnings && check_cflags -Winline
4954 check_disable_warning(){
4955 warning_flag=-W${1#-Wno-}
4956 test_cflags $warning_flag && add_cflags $1
4959 check_disable_warning -Wno-parentheses
4960 check_disable_warning -Wno-switch
4961 check_disable_warning -Wno-format-zero-length
4962 check_disable_warning -Wno-pointer-sign
4964 # add some linker flags
4965 check_ldflags -Wl,--warn-common
4966 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4967 enabled rpath && add_ldflags -Wl,-rpath,$libdir
4968 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4970 # add some strip flags
4971 # -wN '..@*' is more selective than -x, but not available everywhere.
4972 check_stripflags -wN \'..@*\' || check_stripflags -x
4974 enabled neon_clobber_test &&
4975 check_ldflags -Wl,--wrap,avcodec_open2 \
4976 -Wl,--wrap,avcodec_decode_audio4 \
4977 -Wl,--wrap,avcodec_decode_video2 \
4978 -Wl,--wrap,avcodec_decode_subtitle2 \
4979 -Wl,--wrap,avcodec_encode_audio2 \
4980 -Wl,--wrap,avcodec_encode_video2 \
4981 -Wl,--wrap,avcodec_encode_subtitle \
4982 -Wl,--wrap,swr_convert \
4983 -Wl,--wrap,avresample_convert ||
4984 disable neon_clobber_test
4986 enabled xmm_clobber_test &&
4987 check_ldflags -Wl,--wrap,avcodec_open2 \
4988 -Wl,--wrap,avcodec_decode_audio4 \
4989 -Wl,--wrap,avcodec_decode_video2 \
4990 -Wl,--wrap,avcodec_decode_subtitle2 \
4991 -Wl,--wrap,avcodec_encode_audio2 \
4992 -Wl,--wrap,avcodec_encode_video \
4993 -Wl,--wrap,avcodec_encode_video2 \
4994 -Wl,--wrap,avcodec_encode_subtitle \
4995 -Wl,--wrap,swr_convert \
4996 -Wl,--wrap,avresample_convert \
4997 -Wl,--wrap,sws_scale ||
4998 disable xmm_clobber_test
5001 if test_ldflags -Wl,--version-script,$TMPV; then
5002 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5003 check_cc <<EOF && enable symver_asm_label
5004 void ff_foo(void) __asm__ ("av_foo@VERSION");
5005 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5007 check_cc <<EOF && enable symver_gnu_asm
5008 __asm__(".symver ff_foo,av_foo@VERSION");
5009 void ff_foo(void) {}
5013 if [ -z "$optflags" ]; then
5014 if enabled small; then
5015 optflags=$cflags_size
5016 elif enabled optimizations; then
5017 optflags=$cflags_speed
5019 optflags=$cflags_noopt
5025 enabled lto && check_ldflags "$@"
5029 if enabled lto; then
5030 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5032 check_ldflags -flto $cpuflags
5033 disable inline_asm_direct_symbol_refs
5036 check_optflags $optflags
5037 check_optflags -fno-math-errno
5038 check_optflags -fno-signed-zeros
5040 enabled ftrapv && check_cflags -ftrapv
5042 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5047 if enabled icc; then
5048 # Just warnings, no remarks
5050 # -wd: Disable following warnings
5051 # 144, 167, 556: -Wno-pointer-sign
5052 # 188: enumerated type mixed with another type
5053 # 1292: attribute "foo" ignored
5054 # 1419: external declaration in primary source file
5055 # 10006: ignoring unknown option -fno-signed-zeros
5056 # 10148: ignoring unknown option -Wno-parentheses
5057 # 10156: ignoring option '-W'; no argument required
5058 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
5059 # 11030: Warning unknown option --as-needed
5060 # 10156: ignoring option '-export'; no argument required
5061 check_ldflags -wd10156,11030
5062 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5063 enable ebp_available
5064 # The test above does not test linking
5065 enabled lto && disable symver_asm_label
5066 if enabled x86_32; then
5067 icc_version=$($cc -dumpversion)
5068 test ${icc_version%%.*} -ge 11 &&
5069 check_cflags -falign-stack=maintain-16-byte ||
5070 disable aligned_stack
5072 elif enabled ccc; then
5073 # disable some annoying warnings
5074 add_cflags -msg_disable bitnotint
5075 add_cflags -msg_disable mixfuncvoid
5076 add_cflags -msg_disable nonstandcast
5077 add_cflags -msg_disable unsupieee
5078 elif enabled gcc; then
5079 check_optflags -fno-tree-vectorize
5080 check_cflags -Werror=format-security
5081 check_cflags -Werror=implicit-function-declaration
5082 check_cflags -Werror=missing-prototypes
5083 check_cflags -Werror=return-type
5084 check_cflags -Werror=vla
5085 check_cflags -Wformat
5086 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5087 elif enabled llvm_gcc; then
5088 check_cflags -mllvm -stack-alignment=16
5089 elif enabled clang; then
5090 check_cflags -mllvm -stack-alignment=16
5091 check_cflags -Qunused-arguments
5092 check_cflags -Werror=implicit-function-declaration
5093 check_cflags -Werror=missing-prototypes
5094 check_cflags -Werror=return-type
5095 elif enabled cparser; then
5096 add_cflags -Wno-missing-variable-declarations
5097 add_cflags -Wno-empty-statement
5098 elif enabled armcc; then
5099 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5100 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5101 # 2523: use of inline assembly is deprecated
5102 add_cflags -W${armcc_opt},--diag_suppress=2523
5103 add_cflags -W${armcc_opt},--diag_suppress=1207
5104 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5105 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5106 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5107 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5108 elif enabled tms470; then
5109 add_cflags -pds=824 -pds=837
5111 elif enabled pathscale; then
5112 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5113 elif enabled_any msvc icl; then
5114 enabled x86_32 && disable aligned_stack
5115 enabled_all x86_32 debug && add_cflags -Oy-
5116 enabled debug && add_ldflags -debug
5117 enable pragma_deprecated
5118 if enabled icl; then
5119 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5120 # (correctly) on icl 13.x.
5121 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5122 add_cflags -Qansi-alias
5123 # Some inline asm is not compilable in debug
5124 if enabled debug; then
5125 disable ebp_available
5126 disable ebx_available
5129 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 onwards actually has log2.
5130 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5135 add_asflags -Qunused-arguments
5141 check_ldflags -Qunused-arguments
5147 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5150 add_cppflags -Dmain=plan9_main
5154 enable frame_thread_encoder
5156 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5158 check_deps $CONFIG_LIST \
5163 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"
5166 if test $target_os = "haiku"; then
5168 disable posix_memalign
5171 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5172 prepend ffmpeg_libs $($ldflags_filter "-lole32") &&
5175 ! enabled_any memalign posix_memalign aligned_malloc &&
5176 enabled_any $need_memalign && enable memalign_hack
5179 # -> enable ${lib}_deps_${dep}
5180 # -> add $dep to ${lib}_deps only once
5184 enabled "${lib}_deps_${dep}" && return 0
5185 enable "${lib}_deps_${dep}"
5186 prepend "${lib}_deps" $dep
5189 # merge deps lib components
5190 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5195 enabled $comp || continue
5196 eval "dep=\"\$${comp}_deps\""
5203 merge_deps libavfilter $FILTER_LIST
5205 for thread in $THREADS_LIST; do
5206 if enabled $thread; then
5207 test -n "$thread_type" &&
5208 die "ERROR: Only one thread type must be selected." ||
5209 thread_type="$thread"
5213 # conditional library dependencies, in linking order
5214 enabled aconvert_filter && prepend avfilter_deps "swresample"
5215 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5216 enabled aresample_filter && prepend avfilter_deps "swresample"
5217 enabled asyncts_filter && prepend avfilter_deps "avresample"
5218 enabled atempo_filter && prepend avfilter_deps "avcodec"
5219 enabled decimate_filter && prepend avfilter_deps "avcodec"
5220 enabled deshake_filter && prepend avfilter_deps "avcodec"
5221 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5222 enabled elbg_filter && prepend avfilter_deps "avcodec"
5223 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5224 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5225 enabled mp_filter && prepend avfilter_deps "avcodec"
5226 enabled pan_filter && prepend avfilter_deps "swresample"
5227 enabled pp_filter && prepend avfilter_deps "postproc"
5228 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5229 enabled resample_filter && prepend avfilter_deps "avresample"
5230 enabled sab_filter && prepend avfilter_deps "swscale"
5231 enabled scale_filter && prepend avfilter_deps "swscale"
5232 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5233 enabled smartblur_filter && prepend avfilter_deps "swscale"
5234 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5236 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5238 enabled opus_decoder && prepend avcodec_deps "swresample"
5242 eval "deps=\$$lib_deps"
5243 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5247 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5248 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5250 map 'expand_deps $v' $LIBRARY_LIST
5252 echo "install prefix $prefix"
5253 echo "source path $source_path"
5254 echo "C compiler $cc"
5255 echo "C library $libc_type"
5256 if test "$host_cc" != "$cc"; then
5257 echo "host C compiler $host_cc"
5258 echo "host C library $host_libc_type"
5260 echo "ARCH $arch ($cpu)"
5261 if test "$build_suffix" != ""; then
5262 echo "build suffix $build_suffix"
5264 if test "$progs_suffix" != ""; then
5265 echo "progs suffix $progs_suffix"
5267 if test "$extra_version" != ""; then
5268 echo "version string suffix $extra_version"
5270 echo "big-endian ${bigendian-no}"
5271 echo "runtime cpu detection ${runtime_cpudetect-no}"
5272 if enabled x86; then
5273 echo "${yasmexe} ${yasm-no}"
5274 echo "MMX enabled ${mmx-no}"
5275 echo "MMXEXT enabled ${mmxext-no}"
5276 echo "3DNow! enabled ${amd3dnow-no}"
5277 echo "3DNow! extended enabled ${amd3dnowext-no}"
5278 echo "SSE enabled ${sse-no}"
5279 echo "SSSE3 enabled ${ssse3-no}"
5280 echo "AVX enabled ${avx-no}"
5281 echo "XOP enabled ${xop-no}"
5282 echo "FMA3 enabled ${fma3-no}"
5283 echo "FMA4 enabled ${fma4-no}"
5284 echo "i686 features enabled ${i686-no}"
5285 echo "CMOV is fast ${fast_cmov-no}"
5286 echo "EBX available ${ebx_available-no}"
5287 echo "EBP available ${ebp_available-no}"
5289 if enabled aarch64; then
5290 echo "NEON enabled ${neon-no}"
5291 echo "VFP enabled ${vfp-no}"
5293 if enabled arm; then
5294 echo "ARMv5TE enabled ${armv5te-no}"
5295 echo "ARMv6 enabled ${armv6-no}"
5296 echo "ARMv6T2 enabled ${armv6t2-no}"
5297 echo "VFP enabled ${vfp-no}"
5298 echo "NEON enabled ${neon-no}"
5299 echo "THUMB enabled ${thumb-no}"
5301 if enabled mips; then
5302 echo "MIPS FPU enabled ${mipsfpu-no}"
5303 echo "MIPS32R2 enabled ${mips32r2-no}"
5304 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5305 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5307 if enabled ppc; then
5308 echo "AltiVec enabled ${altivec-no}"
5309 echo "PPC 4xx optimizations ${ppc4xx-no}"
5310 echo "PPC VSX optimizations ${vsx-no}"
5311 echo "dcbzl available ${dcbzl-no}"
5313 echo "debug symbols ${debug-no}"
5314 echo "strip symbols ${stripping-no}"
5315 echo "optimize for size ${small-no}"
5316 echo "optimizations ${optimizations-no}"
5317 echo "static ${static-no}"
5318 echo "shared ${shared-no}"
5319 echo "postprocessing support ${postproc-no}"
5320 echo "new filter support ${avfilter-no}"
5321 echo "network support ${network-no}"
5322 echo "threading support ${thread_type-no}"
5323 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5324 echo "SDL support ${sdl-no}"
5325 echo "opencl enabled ${opencl-no}"
5326 echo "texi2html enabled ${texi2html-no}"
5327 echo "perl enabled ${perl-no}"
5328 echo "pod2man enabled ${pod2man-no}"
5329 echo "makeinfo enabled ${makeinfo-no}"
5330 test -n "$random_seed" &&
5331 echo "random seed ${random_seed}"
5334 echo "External libraries:"
5335 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5338 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5339 echo "Enabled ${type}s:"
5340 eval list=\$$(toupper $type)_LIST
5341 print_enabled '_*' $list | print_3_columns
5345 license="LGPL version 2.1 or later"
5346 if enabled nonfree; then
5347 license="nonfree and unredistributable"
5348 elif enabled gplv3; then
5349 license="GPL version 3 or later"
5350 elif enabled lgplv3; then
5351 license="LGPL version 3 or later"
5352 elif enabled gpl; then
5353 license="GPL version 2 or later"
5356 echo "License: $license"
5358 echo "Creating config.mak, config.h, and doc/config.texi..."
5360 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5362 enabled stripping || strip="echo skipping strip"
5364 config_files="$TMPH config.mak doc/config.texi"
5366 cat > config.mak <<EOF
5367 # Automatically generated by configure - do not modify!
5368 ifndef FFMPEG_CONFIG_MAK
5370 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5372 LIBDIR=\$(DESTDIR)$libdir
5373 SHLIBDIR=\$(DESTDIR)$shlibdir
5374 INCDIR=\$(DESTDIR)$incdir
5375 BINDIR=\$(DESTDIR)$bindir
5376 DATADIR=\$(DESTDIR)$datadir
5377 DOCDIR=\$(DESTDIR)$docdir
5378 MANDIR=\$(DESTDIR)$mandir
5379 SRC_PATH=$source_path
5380 ifndef MAIN_MAKEFILE
5381 SRC_PATH:=\$(SRC_PATH:.%=..%)
5390 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5392 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5421 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5422 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5423 YASMFLAGS=$YASMFLAGS
5424 BUILDSUF=$build_suffix
5425 PROGSSUF=$progs_suffix
5433 EXTRA_VERSION=$extra_version
5436 CCDEP_FLAGS=$CCDEP_FLAGS
5438 ASDEP_FLAGS=$ASDEP_FLAGS
5439 CC_DEPFLAGS=$CC_DEPFLAGS
5440 AS_DEPFLAGS=$AS_DEPFLAGS
5443 HOSTCFLAGS=$host_cflags
5444 HOSTCPPFLAGS=$host_cppflags
5445 HOSTEXESUF=$HOSTEXESUF
5446 HOSTLDFLAGS=$host_ldflags
5449 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5450 HOSTCCDEP=$HOSTCCDEP
5451 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5452 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5456 TARGET_EXEC=$target_exec $target_exec_args
5457 TARGET_PATH=$target_path
5458 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5459 CFLAGS-ffplay=$sdl_cflags
5460 ZLIB=$($ldflags_filter -lz)
5461 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5462 EXTRALIBS=$extralibs
5463 COMPAT_OBJS=$compat_objs
5466 LIBTARGET=${LIBTARGET}
5467 SLIBNAME=${SLIBNAME}
5468 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5469 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5470 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5471 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5472 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5473 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5474 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5475 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5476 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5477 NOREDZONE_FLAGS=$noredzone_flags
5482 name=$(toupper $lcname)
5483 file=$source_path/$lcname/version.h
5484 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5485 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5486 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5487 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5488 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5489 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5492 map 'get_version $v' $LIBRARY_LIST
5494 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
5496 print_program_libs(){
5497 eval "program_libs=\$${1}_libs"
5498 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5501 map 'print_program_libs $v' $PROGRAM_LIST
5504 /* Automatically generated by configure - do not modify! */
5505 #ifndef FFMPEG_CONFIG_H
5506 #define FFMPEG_CONFIG_H
5507 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5508 #define FFMPEG_LICENSE "$(c_escape $license)"
5509 #define CONFIG_THIS_YEAR 2014
5510 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5511 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5512 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5513 #define av_restrict $_restrict
5514 #define EXTERN_PREFIX "${extern_prefix}"
5515 #define EXTERN_ASM ${extern_prefix}
5516 #define BUILDSUF "$build_suffix"
5517 #define SLIBSUF "$SLIBSUF"
5518 #define HAVE_MMX2 HAVE_MMXEXT
5519 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
5522 test -n "$assert_level" &&
5523 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5525 test -n "$malloc_prefix" &&
5526 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5528 if enabled yasm; then
5529 append config_files $TMPASM
5533 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5537 echo "@c auto-generated by configure" > doc/config.texi
5539 print_config ARCH_ "$config_files" $ARCH_LIST
5540 print_config HAVE_ "$config_files" $HAVE_LIST
5541 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5545 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5546 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5548 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5549 cp_if_changed $TMPH config.h
5552 enabled yasm && cp_if_changed $TMPASM config.asm
5555 /* Generated by ffconf */
5556 #ifndef AVUTIL_AVCONFIG_H
5557 #define AVUTIL_AVCONFIG_H
5560 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5562 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5564 cp_if_changed $TMPH libavutil/avconfig.h
5566 if test -n "$WARNINGS"; then
5567 printf "\n$WARNINGS"
5568 enabled fatal_warnings && exit 1
5571 # build pkg-config files
5574 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
5577 pkgconfig_generate(){
5579 shortname=${name#lib}${build_suffix}
5583 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
5584 requires=${requires%, }
5585 enabled ${name#lib} || return 0
5587 cat <<EOF > $name/$name${build_suffix}.pc
5589 exec_prefix=\${prefix}
5594 Description: $comment
5596 Requires: $(enabled shared || echo $requires)
5597 Requires.private: $(enabled shared && echo $requires)
5599 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5600 Libs.private: $(enabled shared && echo $libs)
5601 Cflags: -I\${includedir}
5604 mkdir -p doc/examples/pc-uninstalled
5605 includedir=${source_path}
5606 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5607 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5610 libdir=\${pcfiledir}/../../../$name
5611 includedir=${includedir}
5614 Description: $comment
5618 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5619 Cflags: -I\${includedir}
5623 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5624 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
5625 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
5626 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
5627 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
5628 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
5629 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
5630 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
5631 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"