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
147 --disable-pixelutils disable pixel utils in libavutil
149 Hardware accelerators:
150 --disable-dxva2 disable DXVA2 code [autodetect]
151 --disable-vaapi disable VAAPI code [autodetect]
152 --disable-vda disable VDA code [autodetect]
153 --disable-vdpau disable VDPAU code [autodetect]
155 Individual component options:
156 --disable-everything disable all components listed below
157 --disable-encoder=NAME disable encoder NAME
158 --enable-encoder=NAME enable encoder NAME
159 --disable-encoders disable all encoders
160 --disable-decoder=NAME disable decoder NAME
161 --enable-decoder=NAME enable decoder NAME
162 --disable-decoders disable all decoders
163 --disable-hwaccel=NAME disable hwaccel NAME
164 --enable-hwaccel=NAME enable hwaccel NAME
165 --disable-hwaccels disable all hwaccels
166 --disable-muxer=NAME disable muxer NAME
167 --enable-muxer=NAME enable muxer NAME
168 --disable-muxers disable all muxers
169 --disable-demuxer=NAME disable demuxer NAME
170 --enable-demuxer=NAME enable demuxer NAME
171 --disable-demuxers disable all demuxers
172 --enable-parser=NAME enable parser NAME
173 --disable-parser=NAME disable parser NAME
174 --disable-parsers disable all parsers
175 --enable-bsf=NAME enable bitstream filter NAME
176 --disable-bsf=NAME disable bitstream filter NAME
177 --disable-bsfs disable all bitstream filters
178 --enable-protocol=NAME enable protocol NAME
179 --disable-protocol=NAME disable protocol NAME
180 --disable-protocols disable all protocols
181 --enable-indev=NAME enable input device NAME
182 --disable-indev=NAME disable input device NAME
183 --disable-indevs disable input devices
184 --enable-outdev=NAME enable output device NAME
185 --disable-outdev=NAME disable output device NAME
186 --disable-outdevs disable output devices
187 --disable-devices disable all devices
188 --enable-filter=NAME enable filter NAME
189 --disable-filter=NAME disable filter NAME
190 --disable-filters disable all filters
192 External library support:
193 --enable-avisynth enable reading of AviSynth script files [no]
194 --disable-bzlib disable bzlib [autodetect]
195 --enable-fontconfig enable fontconfig
196 --enable-frei0r enable frei0r video filtering
197 --enable-gnutls enable gnutls [no]
198 --disable-iconv disable iconv [autodetect]
199 --enable-ladspa enable LADSPA audio filtering
200 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
201 --enable-libass enable libass subtitles rendering [no]
202 --enable-libbluray enable BluRay reading using libbluray [no]
203 --enable-libbs2b enable bs2b DSP library [no]
204 --enable-libcaca enable textual display using libcaca
205 --enable-libcelt enable CELT decoding via libcelt [no]
206 --enable-libcdio enable audio CD grabbing with libcdio
207 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
209 --enable-libfaac enable AAC encoding via libfaac [no]
210 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
211 --enable-libflite enable flite (voice synthesis) support via libflite [no]
212 --enable-libfreetype enable libfreetype [no]
213 --enable-libfribidi enable libfribidi [no]
214 --enable-libgme enable Game Music Emu via libgme [no]
215 --enable-libgsm enable GSM de/encoding via libgsm [no]
216 --enable-libiec61883 enable iec61883 via libiec61883 [no]
217 --enable-libilbc enable iLBC de/encoding via libilbc [no]
218 --enable-libmodplug enable ModPlug via libmodplug [no]
219 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
220 --enable-libnut enable NUT (de)muxing via libnut,
221 native (de)muxer exists [no]
222 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
223 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
224 --enable-libopencv enable video filtering via libopencv [no]
225 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
226 --enable-libopus enable Opus de/encoding via libopus [no]
227 --enable-libpulse enable Pulseaudio input via libpulse [no]
228 --enable-libquvi enable quvi input via libquvi [no]
229 --enable-librtmp enable RTMP[E] support via librtmp [no]
230 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
231 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
232 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
233 --enable-libsoxr enable Include libsoxr resampling [no]
234 --enable-libspeex enable Speex de/encoding via libspeex [no]
235 --enable-libssh enable SFTP protocol via libssh [no]
236 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
237 --enable-libtheora enable Theora encoding via libtheora [no]
238 --enable-libtwolame enable MP2 encoding via libtwolame [no]
239 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
240 --enable-libv4l2 enable libv4l2/v4l-utils [no]
241 --enable-libvidstab enable video stabilization using vid.stab [no]
242 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
243 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
244 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
245 native implementation exists [no]
246 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
247 --enable-libwavpack enable wavpack encoding via libwavpack [no]
248 --enable-libwebp enable WebP encoding via libwebp [no]
249 --enable-libx264 enable H.264 encoding via x264 [no]
250 --enable-libx265 enable HEVC encoding via x265 [no]
251 --enable-libxavs enable AVS encoding via xavs [no]
252 --enable-libxvid enable Xvid encoding via xvidcore,
253 native MPEG-4/Xvid encoder exists [no]
254 --enable-libzmq enable message passing via libzmq [no]
255 --enable-libzvbi enable teletext support via libzvbi [no]
256 --enable-decklink enable Blackmagick DeckLink output [no]
257 --enable-openal enable OpenAL 1.1 capture support [no]
258 --enable-opencl enable OpenCL code
259 --enable-opengl enable OpenGL rendering [no]
260 --enable-openssl enable openssl [no]
261 --enable-x11grab enable X11 grabbing [no]
262 --disable-xlib disable xlib [autodetect]
263 --disable-zlib disable zlib [autodetect]
266 --arch=ARCH select architecture [$arch]
267 --cpu=CPU select the minimum required CPU (affects
268 instruction selection, may crash on older CPUs)
269 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
270 --progs-suffix=SUFFIX program name suffix []
271 --enable-cross-compile assume a cross-compiler is used
272 --sysroot=PATH root of cross-build tree
273 --sysinclude=PATH location of cross-build system headers
274 --target-os=OS compiler targets OS [$target_os]
275 --target-exec=CMD command to run executables on target
276 --target-path=DIR path to view of build directory on target
277 --target-samples=DIR path to samples directory on target
278 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
279 --toolchain=NAME set tool defaults according to NAME
280 --nm=NM use nm tool NM [$nm_default]
281 --ar=AR use archive tool AR [$ar_default]
282 --as=AS use assembler AS [$as_default]
283 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
284 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
285 --cc=CC use C compiler CC [$cc_default]
286 --cxx=CXX use C compiler CXX [$cxx_default]
287 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
288 --ld=LD use linker LD [$ld_default]
289 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
290 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
291 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
292 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
293 --host-cc=HOSTCC use host C compiler HOSTCC
294 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
295 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
296 --host-ld=HOSTLD use host linker HOSTLD
297 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
298 --host-libs=HLIBS use libs HLIBS when linking for host
299 --host-os=OS compiler host OS [$target_os]
300 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
301 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
302 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
303 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
304 --extra-libs=ELIBS add ELIBS [$ELIBS]
305 --extra-version=STRING version string suffix []
306 --optflags=OPTFLAGS override optimization-related compiler flags
307 --build-suffix=SUFFIX library name suffix []
308 --enable-pic build position-independent code
309 --enable-thumb compile for Thumb instruction set
310 --enable-lto use link-time optimization
312 Advanced options (experts only):
313 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
314 --disable-symver disable symbol versioning
315 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
316 --disable-safe-bitstream-reader
317 disable buffer boundary checking in bitreaders
318 (faster, but may crash)
319 --enable-memalign-hack emulate memalign, interferes with memory debuggers
320 --enable-sram allow use of on-chip SRAM
321 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
323 Optimization options (experts only):
324 --disable-asm disable all assembly optimizations
325 --disable-altivec disable AltiVec optimizations
326 --disable-amd3dnow disable 3DNow! optimizations
327 --disable-amd3dnowext disable 3DNow! extended optimizations
328 --disable-mmx disable MMX optimizations
329 --disable-mmxext disable MMXEXT optimizations
330 --disable-sse disable SSE optimizations
331 --disable-sse2 disable SSE2 optimizations
332 --disable-sse3 disable SSE3 optimizations
333 --disable-ssse3 disable SSSE3 optimizations
334 --disable-sse4 disable SSE4 optimizations
335 --disable-sse42 disable SSE4.2 optimizations
336 --disable-avx disable AVX optimizations
337 --disable-xop disable XOP optimizations
338 --disable-fma3 disable FMA3 optimizations
339 --disable-fma4 disable FMA4 optimizations
340 --disable-avx2 disable AVX2 optimizations
341 --disable-armv5te disable armv5te optimizations
342 --disable-armv6 disable armv6 optimizations
343 --disable-armv6t2 disable armv6t2 optimizations
344 --disable-vfp disable VFP optimizations
345 --disable-neon disable NEON optimizations
346 --disable-inline-asm disable use of inline assembly
347 --disable-yasm disable use of nasm/yasm assembly
348 --disable-mips32r2 disable MIPS32R2 optimizations
349 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
350 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
351 --disable-mipsfpu disable floating point MIPS optimizations
352 --disable-fast-unaligned consider unaligned accesses slow
354 Developer options (useful when working on FFmpeg itself):
355 --disable-debug disable debugging symbols
356 --enable-debug=LEVEL set the debug level [$debuglevel]
357 --disable-optimizations disable compiler optimizations
358 --enable-extra-warnings enable more compiler warnings
359 --disable-stripping disable stripping of executables and shared libraries
360 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
361 2 causes a slowdown at runtime.
362 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
363 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
364 leaks and errors, using the specified valgrind binary.
365 Cannot be combined with --target-exec
366 --enable-ftrapv Trap arithmetic overflows
367 --samples=PATH location of test samples for FATE, if not set use
368 \$FATE_SAMPLES at make invocation time.
369 --enable-neon-clobber-test check NEON registers for clobbering (should be
370 used only for debugging purposes)
371 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
372 should be used only for debugging purposes)
373 --enable-random randomly enable/disable components
375 --enable-random=LIST randomly enable/disable specific components or
376 --disable-random=LIST component groups. LIST is a comma-separated list
377 of NAME[:PROB] entries where NAME is a component
378 (group) and PROB the probability associated with
380 --random-seed=VALUE seed value for --enable/disable-random
382 NOTE: Object files are built at the place where configure is launched.
390 echo "$@" >> $logfile
395 pr -n -t $1 >> $logfile
406 WARNINGS="${WARNINGS}WARNING: $*\n"
413 If you think configure made a mistake, make sure you are using the latest
414 version from Git. If the latest version fails, report the problem to the
415 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
417 if disabled logging; then
419 Rerun configure with logging enabled (do not use --disable-logging), and
420 include the log this produces with your report.
424 Include the log file "$logfile" produced by configure as this will help
431 # Avoid locale weirdness, besides we really just want to translate ASCII.
433 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
437 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
441 echo "$*" | sed 's/["\\]/\\\0/g'
445 v=$(echo "$1" | sed "s/'/'\\\\''/g")
446 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
451 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g'
458 eval "case $v in $pat) echo $v ;; esac"
466 eval "case $v in $pat) ;; *) echo $v ;; esac"
473 for v; do eval $m; done
479 for v; do echo ${v}${suffix}; done
494 eval : \${$var:=$value}
499 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
505 eval $(sanitize_var_name "$var")='$*'
509 eval echo \$$(sanitize_var_name "$1")
514 eval level=\${${pvar}_level:=0}
515 eval ${pvar}_${level}="\$$pvar"
516 eval ${pvar}_level=$(($level+1))
522 eval level=\${${pvar}_level:-0}
523 test $level = 0 && continue
524 eval level=$(($level-1))
525 eval $pvar="\${${pvar}_${level}}"
526 eval ${pvar}_level=$level
527 eval unset ${pvar}_${level}
549 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
555 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
561 enabled $var && continue
562 eval sel="\$${var}_select"
563 eval sgs="\$${var}_suggest"
567 enable_deep_weak $sgs
579 disabled $var && continue
588 test "${1#!}" = "$1" && op== || op=!=
589 eval test "x\$${1#!}" $op "xyes"
593 test "${1#!}" = "$1" && op== || op=!=
594 eval test "x\$${1#!}" $op "xno"
599 enabled $opt || return 1
605 disabled $opt || return 1
611 enabled $opt && return 0
617 disabled $opt && return 0
624 eval : \${$opt:=\$${opt}_default}
632 [ $var = $value ] && return 0
640 enabled ${cfg}_checking && die "Circular dependency for $cfg."
641 disabled ${cfg}_checking && continue
642 enable ${cfg}_checking
645 eval dep_all="\$${cfg}_deps"
646 eval dep_any="\$${cfg}_deps_any"
647 eval dep_sel="\$${cfg}_select"
648 eval dep_sgs="\$${cfg}_suggest"
649 eval dep_ifa="\$${cfg}_if"
650 eval dep_ifn="\$${cfg}_if_any"
652 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
653 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
654 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
656 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
657 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
658 enabled_all $dep_all || disable $cfg
659 enabled_any $dep_any || disable $cfg
660 disabled_any $dep_sel && disable $cfg
662 if enabled $cfg; then
664 enable_deep_weak $dep_sgs
667 disable ${cfg}_checking
676 for cfg in $allopts; do
677 enabled $cfg || continue
678 eval dep_extralibs="\$${cfg}_extralibs"
679 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
687 map 'eval echo "$v \${$v:-no}"' "$@" |
688 awk "BEGIN { split(\"$files\", files) }
690 c = \"$pfx\" toupper(\$1);
696 if (file ~ /\\.h\$/) {
697 printf(\"#define %s %d\\n\", c, v) >>file;
698 } else if (file ~ /\\.asm\$/) {
699 printf(\"%%define %s %d\\n\", c, v) >>file;
700 } else if (file ~ /\\.mak\$/) {
701 n = -v ? \"\" : \"!\";
702 printf(\"%s%s=yes\\n\", n, c) >>file;
703 } else if (file ~ /\\.texi\$/) {
704 pre = -v ? \"\" : \"@c \";
707 gsub(/_/, \"-\", c2);
708 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
718 enabled $v && printf "%s\n" ${v%$suf};
725 eval "$var=\"\$$var $*\""
731 eval "$var=\"$* \$$var\""
737 for tok in $(eval echo \$$var); do
738 uniq_list="$(filter_out $tok $uniq_list) $tok"
740 eval "$var=\"${uniq_list}\""
748 append CFLAGS $($cflags_filter "$@")
752 append CXXFLAGS $($cflags_filter "$@")
756 append ASFLAGS $($asflags_filter "$@")
760 append LDFLAGS $($ldflags_filter "$@")
764 append LDEXEFLAGS $($ldflags_filter "$@")
768 append ASMSTRIPFLAGS "$@"
772 prepend extralibs $($ldflags_filter "$@")
776 append host_cppflags "$@"
780 append host_cflags $($host_cflags_filter "$@")
784 append host_ldflags $($host_ldflags_filter "$@")
788 append compat_objs $1
790 map 'add_cppflags -D$v' "$@"
795 "$@" >> $logfile 2>&1
800 stat "$1" >> $logfile 2>&1
804 eval printf '%s\\n' $CC_O
808 eval printf '%s\\n' $CC_E
815 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
822 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
829 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
836 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
840 eval printf '%s\\n' $AS_O
847 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
851 log check_inline_asm "$@"
856 check_cc "$@" <<EOF && enable $name
857 void foo(void){ __asm__ volatile($code); }
863 check_inline_asm ${1}_inline "\"$2\""
864 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
872 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
876 eval printf '%s\\n' $LD_O
883 flags=$(filter_out '-l*|*.so' $@)
884 libs=$(filter '-l*|*.so' $@)
885 check_$type $($cflags_filter $flags) || return
886 flags=$($ldflags_filter $flags)
887 libs=$($ldflags_filter $libs)
888 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
893 test "${hdr%.h}" = "${hdr}" &&
894 echo "#include $hdr" ||
895 echo "#include <$hdr>"
905 for hdr in $headers; do
908 echo "int main(void) { $code; return 0; }"
909 } | check_$check "$@"
913 log check_cppflags "$@"
914 check_cc "$@" <<EOF && append CPPFLAGS "$@"
921 set -- $($cflags_filter "$@")
928 log check_cflags "$@"
929 test_cflags "$@" && add_cflags "$@"
933 log check_cxxflags "$@"
934 set -- $($cflags_filter "$@")
935 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
941 log test_ldflags "$@"
942 check_ld "cc" "$@" <<EOF
943 int main(void){ return 0; }
948 log check_ldflags "$@"
949 test_ldflags "$@" && add_ldflags "$@"
953 log test_stripflags "$@"
954 # call check_cc to get a fresh TMPO
956 int main(void) { return 0; }
958 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
962 log check_stripflags "$@"
963 test_stripflags "$@" && add_stripflags "$@"
967 log check_header "$@"
971 check_cpp "$@" <<EOF && enable_safe $header
978 log check_header_oc "$@"
984 echo "#include <$header>"
985 echo "int main(void) { return 0; }"
986 } | check_oc && check_stat "$TMPO" && enable_safe $headers
994 check_ld "cc" "$@" <<EOF && enable $func
996 int main(void){ $func(); }
1001 log check_mathfunc "$@"
1005 test $narg = 2 && args="f, g" || args="f"
1007 check_ld "cc" "$@" <<EOF && enable $func
1009 float foo(float f, float g) { return $func($args); }
1010 int main(void){ return (int) foo; }
1014 check_func_headers(){
1015 log check_func_headers "$@"
1020 for hdr in $headers; do
1023 for func in $funcs; do
1024 echo "long check_$func(void) { return (long) $func; }"
1026 echo "int main(void) { return 0; }"
1027 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1030 check_class_headers_cpp(){
1031 log check_class_headers_cpp "$@"
1036 for hdr in $headers; do
1037 echo "#include <$hdr>"
1039 echo "int main(void) { "
1041 for class in $classes; do
1042 echo "$class obj$i;"
1046 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1049 check_cpp_condition(){
1050 log check_cpp_condition "$@"
1054 check_cpp "$@" <<EOF
1057 #error "unsatisfied condition: $condition"
1067 check_header $header && check_func $func "$@" && add_extralibs "$@"
1075 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1079 log check_lib_cpp "$@"
1083 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1087 log check_pkg_config "$@"
1093 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1094 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1095 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1096 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1097 set_safe ${pkg}_cflags $pkg_cflags &&
1098 set_safe ${pkg}_libs $pkg_libs
1102 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1108 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1109 # are safe but may not be available everywhere. Thus we use
1110 # raise(SIGTERM) instead. The check is run in a subshell so we
1111 # can redirect the "Terminated" message from the shell. SIGBUS
1112 # is not defined by standard C so it is used conditionally.
1114 (check_exec "$@") >> $logfile 2>&1 <<EOF
1116 static void sighandler(int sig){
1122 int (*func_ptr)(void) = foo;
1124 signal(SIGILL, sighandler);
1125 signal(SIGFPE, sighandler);
1126 signal(SIGSEGV, sighandler);
1128 signal(SIGBUS, sighandler);
1140 disable_safe "$type"
1141 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1145 log check_struct "$@"
1150 disable_safe "${struct}_${member}"
1151 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1152 enable_safe "${struct}_${member}"
1156 log check_builtin "$@"
1162 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1165 check_compile_assert(){
1166 log check_compile_assert "$@"
1172 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1180 check_lib $header $func "$@" || die "ERROR: $name not found"
1188 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1196 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1199 require_pkg_config(){
1201 check_pkg_config "$@" || die "ERROR: $pkg not found"
1202 add_cflags $(get_safe ${pkg}_cflags)
1203 add_extralibs $(get_safe ${pkg}_libs)
1206 require_libfreetype(){
1207 log require_libfreetype "$@"
1209 check_cmd $pkg_config --exists --print-errors $pkg \
1210 || die "ERROR: $pkg not found"
1211 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1212 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1214 echo "#include <ft2build.h>"
1215 echo "#include FT_FREETYPE_H"
1216 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1217 echo "int main(void) { return 0; }"
1218 } | check_ld "cc" $pkg_cflags $pkg_libs \
1219 && set_safe ${pkg}_cflags $pkg_cflags \
1220 && set_safe ${pkg}_libs $pkg_libs \
1221 || die "ERROR: $pkg not found"
1222 add_cflags $(get_safe ${pkg}_cflags)
1223 add_extralibs $(get_safe ${pkg}_libs)
1227 eval printf '%s\\n' $HOSTCC_E
1231 eval printf '%s\\n' $HOSTCC_O
1235 log check_host_cc "$@"
1238 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1242 log check_host_cpp "$@"
1245 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1248 check_host_cppflags(){
1249 log check_host_cppflags "$@"
1250 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1255 check_host_cflags(){
1256 log check_host_cflags "$@"
1257 set -- $($host_cflags_filter "$@")
1258 check_host_cc "$@" <<EOF && append host_cflags "$@"
1263 check_host_cpp_condition(){
1264 log check_host_cpp_condition "$@"
1268 check_host_cpp "$@" <<EOF
1271 #error "unsatisfied condition: $condition"
1279 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1283 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1284 mkdir -p "$(dirname $2)"
1288 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1289 # system-dependent things.
1306 avio_reading_example
1307 decoding_encoding_example
1308 demuxing_decoding_example
1309 filter_audio_example
1310 filtering_audio_example
1311 filtering_video_example
1315 resampling_audio_example
1316 scaling_video_example
1317 transcode_aac_example
1321 EXTERNAL_LIBRARY_LIST="
1405 safe_bitstream_reader
1464 $EXTERNAL_LIBRARY_LIST
1472 incompatible_libav_abi
1532 ARCH_EXT_LIST_MIPS="
1539 ARCH_EXT_LIST_X86_SIMD="
1566 $ARCH_EXT_LIST_X86_SIMD
1597 sync_val_compare_and_swap
1608 incompatible_libav_abi
1617 cdio_paranoia_paranoia_h
1619 dev_bktr_ioctl_bt848_h
1620 dev_bktr_ioctl_meteor_h
1622 dev_video_bktr_ioctl_bt848_h
1623 dev_video_meteor_ioctl_meteor_h
1631 machine_ioctl_bt848_h
1632 machine_ioctl_meteor_h
1634 openjpeg_1_5_openjpeg_h
1701 GetProcessAffinityMask
1702 GetProcessMemoryInfo
1706 GetSystemTimeAsFileTime
1712 jack_port_get_latency_range
1727 SetConsoleTextAttribute
1739 TOOLCHAIN_FEATURES="
1751 inline_asm_nonlocal_labels
1752 inline_asm_direct_symbol_refs
1765 struct_group_source_req
1766 struct_ip_mreq_source
1769 struct_rusage_ru_maxrss
1770 struct_sctp_event_subscribe
1772 struct_sockaddr_sa_len
1773 struct_sockaddr_storage
1774 struct_stat_st_mtim_tv_nsec
1775 struct_v4l2_frmivalenum_discrete
1780 $(add_suffix _external $ARCH_EXT_LIST)
1781 $(add_suffix _inline $ARCH_EXT_LIST)
1811 # options emitted with CONFIG_ prefix but not available on the command line
1823 frame_thread_encoder
1944 # code dependency declarations
1946 # architecture extensions
1951 armv8_deps="aarch64"
1952 neon_deps_any="aarch64 arm"
1953 intrinsics_neon_deps="neon"
1954 vfp_deps_any="aarch64 arm"
1957 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1960 mips32r2_deps="mips"
1961 mipsdspr1_deps="mips"
1962 mipsdspr2_deps="mips"
1969 x86_64_select="i686"
1970 x86_64_suggest="fast_cmov"
1973 amd3dnowext_deps="amd3dnow"
1989 mmx_external_deps="yasm"
1990 mmx_inline_deps="inline_asm"
1991 mmx_suggest="mmx_external mmx_inline"
1993 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1994 eval dep=\$${ext}_deps
1995 eval ${ext}_external_deps='"${dep}_external"'
1996 eval ${ext}_inline_deps='"${dep}_inline"'
1997 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2000 aligned_stack_if_any="aarch64 ppc x86"
2001 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2002 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2003 fast_unaligned_if_any="aarch64 ppc x86"
2004 simd_align_16_if_any="altivec neon sse"
2006 # system capabilities
2008 symver_if_any="symver_asm_label symver_gnu_asm"
2011 atomics_gcc_if="sync_val_compare_and_swap"
2012 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2013 atomics_win32_if="MemoryBarrier"
2014 atomics_native_if_any="$ATOMICS_LIST"
2015 w32threads_deps="atomics_native"
2016 threads_if_any="$THREADS_LIST"
2020 error_resilience_select="me_cmp"
2021 frame_thread_encoder_deps="encoders threads"
2022 intrax8_select="error_resilience"
2025 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2026 mpeg_er_select="error_resilience"
2027 mpegaudio_select="mpegaudiodsp"
2028 mpegaudiodsp_select="dct"
2029 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"
2030 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2032 # decoders / encoders
2033 aac_decoder_select="mdct sinewin"
2034 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
2035 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2036 ac3_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2037 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2038 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2039 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2040 aic_decoder_select="golomb idctdsp"
2041 alac_encoder_select="lpc"
2042 als_decoder_select="bswapdsp"
2043 amrnb_decoder_select="lsp"
2044 amrwb_decoder_select="lsp"
2045 amv_decoder_select="sp5x_decoder exif"
2046 amv_encoder_select="aandcttables mpegvideoenc"
2047 ape_decoder_select="bswapdsp llauddsp"
2048 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2049 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2050 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2051 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2052 atrac1_decoder_select="mdct sinewin"
2053 atrac3_decoder_select="mdct"
2054 atrac3p_decoder_select="mdct sinewin"
2055 avrn_decoder_select="exif"
2056 bink_decoder_select="blockdsp hpeldsp"
2057 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
2058 binkaudio_rdft_decoder_select="mdct rdft sinewin"
2059 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2060 cllc_decoder_select="bswapdsp"
2061 comfortnoise_encoder_select="lpc"
2062 cook_decoder_select="audiodsp mdct sinewin"
2063 cscd_decoder_select="lzo"
2064 cscd_decoder_suggest="zlib"
2065 dca_decoder_select="mdct"
2066 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2067 dnxhd_decoder_select="blockdsp idctdsp"
2068 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2069 dvvideo_decoder_select="dvprofile idctdsp"
2070 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2071 dxa_decoder_select="zlib"
2072 eac3_decoder_select="ac3_decoder"
2073 eac3_encoder_select="ac3_encoder"
2074 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2075 eatgq_decoder_select="aandcttables"
2076 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2077 exr_decoder_select="zlib"
2078 ffv1_decoder_select="golomb rangecoder"
2079 ffv1_encoder_select="rangecoder"
2080 ffvhuff_decoder_select="huffyuv_decoder"
2081 ffvhuff_encoder_select="huffyuv_encoder"
2082 fic_decoder_select="golomb"
2083 flac_decoder_select="golomb"
2084 flac_encoder_select="bswapdsp golomb lpc"
2085 flashsv_decoder_select="zlib"
2086 flashsv_encoder_select="zlib"
2087 flashsv2_encoder_select="zlib"
2088 flashsv2_decoder_select="zlib"
2089 flv_decoder_select="h263_decoder"
2090 flv_encoder_select="h263_encoder"
2091 fourxm_decoder_select="blockdsp bswapdsp"
2092 fraps_decoder_select="bswapdsp huffman"
2093 g2m_decoder_select="blockdsp idctdsp zlib"
2094 g729_decoder_select="audiodsp"
2095 h261_decoder_select="mpeg_er mpegvideo"
2096 h261_encoder_select="aandcttables mpegvideoenc"
2097 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2098 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2099 h263i_decoder_select="h263_decoder"
2100 h263p_encoder_select="h263_encoder"
2101 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2102 h264_decoder_suggest="error_resilience"
2103 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2104 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2105 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2106 iac_decoder_select="imc_decoder"
2107 imc_decoder_select="bswapdsp fft mdct sinewin"
2108 indeo3_decoder_select="hpeldsp"
2109 interplay_video_decoder_select="hpeldsp"
2110 jpegls_decoder_select="golomb mjpeg_decoder"
2111 jpegls_encoder_select="golomb"
2112 jv_decoder_select="blockdsp"
2113 lagarith_decoder_select="huffyuvdsp"
2114 ljpeg_encoder_select="aandcttables idctdsp"
2115 loco_decoder_select="golomb"
2116 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2117 metasound_decoder_select="lsp mdct sinewin"
2118 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2119 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp"
2120 mjpeg_encoder_select="aandcttables mpegvideoenc"
2121 mjpegb_decoder_select="mjpeg_decoder"
2122 mlp_decoder_select="mlp_parser"
2123 motionpixels_decoder_select="bswapdsp"
2124 mp1_decoder_select="mpegaudio"
2125 mp1float_decoder_select="mpegaudio"
2126 mp2_decoder_select="mpegaudio"
2127 mp2float_decoder_select="mpegaudio"
2128 mp3_decoder_select="mpegaudio"
2129 mp3adu_decoder_select="mpegaudio"
2130 mp3adufloat_decoder_select="mpegaudio"
2131 mp3float_decoder_select="mpegaudio"
2132 mp3on4_decoder_select="mpegaudio"
2133 mp3on4float_decoder_select="mpegaudio"
2134 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2135 mpc8_decoder_select="mpegaudiodsp"
2136 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2137 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2138 mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"
2139 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2140 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2141 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2142 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2143 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2144 mpeg4_encoder_select="h263_encoder"
2145 msmpeg4v1_decoder_select="h263_decoder"
2146 msmpeg4v2_decoder_select="h263_decoder"
2147 msmpeg4v2_encoder_select="h263_encoder"
2148 msmpeg4v3_decoder_select="h263_decoder"
2149 msmpeg4v3_encoder_select="h263_encoder"
2150 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2151 mxpeg_decoder_select="mjpeg_decoder"
2152 nellymoser_decoder_select="mdct sinewin"
2153 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2154 nuv_decoder_select="idctdsp lzo"
2155 on2avc_decoder_select="mdct"
2156 opus_decoder_deps="swresample"
2157 png_decoder_select="zlib"
2158 png_encoder_select="huffyuvencdsp zlib"
2159 prores_decoder_select="blockdsp idctdsp"
2160 prores_encoder_select="fdctdsp"
2161 qcelp_decoder_select="lsp"
2162 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2163 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2164 ra_144_decoder_select="audiodsp"
2165 ralf_decoder_select="golomb"
2166 rawvideo_decoder_select="bswapdsp"
2167 rtjpeg_decoder_select="me_cmp"
2168 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2169 rv10_encoder_select="h263_encoder"
2170 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2171 rv20_encoder_select="h263_encoder"
2172 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2173 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2174 shorten_decoder_select="golomb"
2175 sipr_decoder_select="lsp"
2176 snow_decoder_select="dwt h264qpel hpeldsp rangecoder"
2177 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2178 sonic_decoder_select="golomb rangecoder"
2179 sonic_encoder_select="golomb rangecoder"
2180 sonic_ls_encoder_select="golomb rangecoder"
2181 sp5x_decoder_select="mjpeg_decoder"
2182 svq1_decoder_select="hpeldsp"
2183 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2184 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2185 svq3_decoder_suggest="zlib"
2186 tak_decoder_select="audiodsp"
2187 theora_decoder_select="vp3_decoder"
2188 thp_decoder_select="mjpeg_decoder"
2189 tiff_decoder_suggest="zlib"
2190 tiff_encoder_suggest="zlib"
2191 truehd_decoder_select="mlp_parser"
2192 truemotion2_decoder_select="bswapdsp"
2193 truespeech_decoder_select="bswapdsp"
2194 tscc_decoder_select="zlib"
2195 twinvq_decoder_select="mdct lsp sinewin"
2196 utvideo_decoder_select="bswapdsp"
2197 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2198 vble_decoder_select="huffyuvdsp"
2199 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2200 vc1image_decoder_select="vc1_decoder"
2201 vorbis_decoder_select="mdct"
2202 vorbis_encoder_select="mdct"
2203 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2204 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2205 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2206 vp6a_decoder_select="vp6_decoder"
2207 vp6f_decoder_select="vp6_decoder"
2208 vp7_decoder_select="h264pred videodsp"
2209 vp8_decoder_select="h264pred videodsp"
2210 vp9_decoder_select="videodsp vp9_parser"
2211 webp_decoder_select="vp8_decoder"
2212 wmalossless_decoder_select="llauddsp"
2213 wmapro_decoder_select="mdct sinewin"
2214 wmav1_decoder_select="mdct sinewin"
2215 wmav1_encoder_select="mdct sinewin"
2216 wmav2_decoder_select="mdct sinewin"
2217 wmav2_encoder_select="mdct sinewin"
2218 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2219 wmv1_decoder_select="h263_decoder"
2220 wmv1_encoder_select="h263_encoder"
2221 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
2222 wmv2_encoder_select="h263_encoder"
2223 wmv3_decoder_select="vc1_decoder"
2224 wmv3image_decoder_select="wmv3_decoder"
2225 zerocodec_decoder_select="zlib"
2226 zlib_decoder_select="zlib"
2227 zlib_encoder_select="zlib"
2228 zmbv_decoder_select="zlib"
2229 zmbv_encoder_select="zlib"
2231 # hardware accelerators
2232 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2233 dxva2_deps="dxva2api_h"
2234 vaapi_deps="va_va_h"
2235 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2236 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2237 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2238 xvmc_deps="X11_extensions_XvMClib_h"
2240 h263_vaapi_hwaccel_deps="vaapi"
2241 h263_vaapi_hwaccel_select="h263_decoder"
2242 h263_vdpau_hwaccel_deps="vdpau"
2243 h263_vdpau_hwaccel_select="h263_decoder"
2244 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2245 h264_dxva2_hwaccel_deps="dxva2"
2246 h264_dxva2_hwaccel_select="h264_decoder"
2247 h264_vaapi_hwaccel_deps="vaapi"
2248 h264_vaapi_hwaccel_select="h264_decoder"
2249 h264_vda_decoder_deps="vda"
2250 h264_vda_decoder_select="h264_decoder"
2251 h264_vda_hwaccel_deps="vda"
2252 h264_vda_hwaccel_select="h264_decoder"
2253 h264_vda_old_hwaccel_deps="vda"
2254 h264_vda_old_hwaccel_select="h264_decoder"
2255 h264_vdpau_decoder_deps="vdpau"
2256 h264_vdpau_decoder_select="h264_decoder"
2257 h264_vdpau_hwaccel_deps="vdpau"
2258 h264_vdpau_hwaccel_select="h264_decoder"
2259 mpeg_vdpau_decoder_deps="vdpau"
2260 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2261 mpeg_xvmc_hwaccel_deps="xvmc"
2262 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2263 mpeg1_vdpau_decoder_deps="vdpau"
2264 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2265 mpeg1_vdpau_hwaccel_deps="vdpau"
2266 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2267 mpeg1_xvmc_hwaccel_deps="xvmc"
2268 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2269 mpeg2_crystalhd_decoder_select="crystalhd"
2270 mpeg2_dxva2_hwaccel_deps="dxva2"
2271 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2272 mpeg2_vaapi_hwaccel_deps="vaapi"
2273 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2274 mpeg2_vdpau_hwaccel_deps="vdpau"
2275 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2276 mpeg2_xvmc_hwaccel_deps="xvmc"
2277 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2278 mpeg4_crystalhd_decoder_select="crystalhd"
2279 mpeg4_vaapi_hwaccel_deps="vaapi"
2280 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2281 mpeg4_vdpau_decoder_deps="vdpau"
2282 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2283 mpeg4_vdpau_hwaccel_deps="vdpau"
2284 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2285 msmpeg4_crystalhd_decoder_select="crystalhd"
2286 vc1_crystalhd_decoder_select="crystalhd"
2287 vc1_dxva2_hwaccel_deps="dxva2"
2288 vc1_dxva2_hwaccel_select="vc1_decoder"
2289 vc1_vaapi_hwaccel_deps="vaapi"
2290 vc1_vaapi_hwaccel_select="vc1_decoder"
2291 vc1_vdpau_decoder_deps="vdpau"
2292 vc1_vdpau_decoder_select="vc1_decoder"
2293 vc1_vdpau_hwaccel_deps="vdpau"
2294 vc1_vdpau_hwaccel_select="vc1_decoder"
2295 wmv3_crystalhd_decoder_select="crystalhd"
2296 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2297 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2298 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2299 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2302 h264_parser_select="h264_decoder"
2303 hevc_parser_select="hevc_decoder"
2304 mpegvideo_parser_select="mpegvideo"
2305 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2306 vc1_parser_select="mpegvideo startcode vc1_decoder"
2308 # external libraries
2309 libaacplus_encoder_deps="libaacplus"
2310 libcelt_decoder_deps="libcelt"
2311 libfaac_encoder_deps="libfaac"
2312 libfaac_encoder_select="audio_frame_queue"
2313 libfdk_aac_decoder_deps="libfdk_aac"
2314 libfdk_aac_encoder_deps="libfdk_aac"
2315 libfdk_aac_encoder_select="audio_frame_queue"
2316 libgme_demuxer_deps="libgme"
2317 libgsm_decoder_deps="libgsm"
2318 libgsm_encoder_deps="libgsm"
2319 libgsm_ms_decoder_deps="libgsm"
2320 libgsm_ms_encoder_deps="libgsm"
2321 libilbc_decoder_deps="libilbc"
2322 libilbc_encoder_deps="libilbc"
2323 libmodplug_demuxer_deps="libmodplug"
2324 libmp3lame_encoder_deps="libmp3lame"
2325 libmp3lame_encoder_select="audio_frame_queue"
2326 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2327 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2328 libopencore_amrnb_encoder_select="audio_frame_queue"
2329 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2330 libopenjpeg_decoder_deps="libopenjpeg"
2331 libopenjpeg_encoder_deps="libopenjpeg"
2332 libopus_decoder_deps="libopus"
2333 libopus_encoder_deps="libopus"
2334 libopus_encoder_select="audio_frame_queue"
2335 libquvi_demuxer_deps="libquvi"
2336 libschroedinger_decoder_deps="libschroedinger"
2337 libschroedinger_encoder_deps="libschroedinger"
2338 libshine_encoder_deps="libshine"
2339 libshine_encoder_select="audio_frame_queue"
2340 libspeex_decoder_deps="libspeex"
2341 libspeex_encoder_deps="libspeex"
2342 libspeex_encoder_select="audio_frame_queue"
2343 libstagefright_h264_decoder_deps="libstagefright_h264"
2344 libtheora_encoder_deps="libtheora"
2345 libtwolame_encoder_deps="libtwolame"
2346 libvo_aacenc_encoder_deps="libvo_aacenc"
2347 libvo_aacenc_encoder_select="audio_frame_queue"
2348 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2349 libvorbis_decoder_deps="libvorbis"
2350 libvorbis_encoder_deps="libvorbis"
2351 libvorbis_encoder_select="audio_frame_queue"
2352 libvpx_vp8_decoder_deps="libvpx"
2353 libvpx_vp8_encoder_deps="libvpx"
2354 libvpx_vp9_decoder_deps="libvpx"
2355 libvpx_vp9_encoder_deps="libvpx"
2356 libwavpack_encoder_deps="libwavpack"
2357 libwebp_encoder_deps="libwebp"
2358 libx264_encoder_deps="libx264"
2359 libx264rgb_encoder_deps="libx264"
2360 libx265_encoder_deps="libx265"
2361 libxavs_encoder_deps="libxavs"
2362 libxvid_encoder_deps="libxvid"
2363 libutvideo_decoder_deps="libutvideo"
2364 libutvideo_encoder_deps="libutvideo"
2365 libzvbi_teletext_decoder_deps="libzvbi"
2368 ac3_demuxer_select="ac3_parser"
2369 asf_demuxer_select="riffdec"
2370 asf_muxer_select="riffenc"
2371 asf_stream_muxer_select="asf_muxer"
2372 avi_demuxer_select="riffdec exif"
2373 avi_muxer_select="riffenc"
2374 avisynth_demuxer_deps="avisynth"
2375 avisynth_demuxer_select="riffdec"
2376 caf_demuxer_select="riffdec"
2377 dirac_demuxer_select="dirac_parser"
2378 dts_demuxer_select="dca_parser"
2379 dtshd_demuxer_select="dca_parser"
2380 dv_demuxer_select="dvprofile"
2381 dv_muxer_select="dvprofile"
2382 dxa_demuxer_select="riffdec"
2383 eac3_demuxer_select="ac3_parser"
2384 f4v_muxer_select="mov_muxer"
2385 flac_demuxer_select="flac_parser"
2386 hds_muxer_select="flv_muxer"
2387 hls_muxer_select="mpegts_muxer"
2388 image2_alias_pix_demuxer_select="image2_demuxer"
2389 image2_brender_pix_demuxer_select="image2_demuxer"
2390 ipod_muxer_select="mov_muxer"
2391 ismv_muxer_select="mov_muxer"
2392 libnut_demuxer_deps="libnut"
2393 libnut_muxer_deps="libnut"
2394 matroska_audio_muxer_select="matroska_muxer"
2395 matroska_demuxer_select="riffdec"
2396 matroska_demuxer_suggest="bzlib lzo zlib"
2397 matroska_muxer_select="riffenc"
2398 mmf_muxer_select="riffenc"
2399 mov_demuxer_select="riffdec"
2400 mov_demuxer_suggest="zlib"
2401 mov_muxer_select="riffenc rtpenc_chain"
2402 mp3_demuxer_select="mpegaudio_parser"
2403 mp4_muxer_select="mov_muxer"
2404 mpegts_muxer_select="adts_muxer latm_muxer"
2405 mpegtsraw_demuxer_select="mpegts_demuxer"
2406 mxf_d10_muxer_select="mxf_muxer"
2407 nut_muxer_select="riffenc"
2408 nuv_demuxer_select="riffdec"
2409 ogg_demuxer_select="golomb"
2410 psp_muxer_select="mov_muxer"
2411 rtp_demuxer_select="sdp_demuxer"
2412 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2413 rtsp_demuxer_select="http_protocol rtpdec"
2414 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2415 sap_demuxer_select="sdp_demuxer"
2416 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2417 sdp_demuxer_select="rtpdec"
2418 smoothstreaming_muxer_select="ismv_muxer"
2419 spdif_muxer_select="aac_parser"
2420 tak_demuxer_select="tak_parser"
2421 tg2_muxer_select="mov_muxer"
2422 tgp_muxer_select="mov_muxer"
2423 vobsub_demuxer_select="mpegps_demuxer"
2424 w64_demuxer_select="wav_demuxer"
2425 w64_muxer_select="wav_muxer"
2426 wav_demuxer_select="riffdec"
2427 wav_muxer_select="riffenc"
2428 webm_muxer_select="riffenc"
2429 wtv_demuxer_select="riffdec"
2430 wtv_muxer_select="riffenc"
2431 xmv_demuxer_select="riffdec"
2432 xwma_demuxer_select="riffdec"
2435 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2436 alsa_outdev_deps="alsa_asoundlib_h"
2437 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2438 avfoundation_indev_select="avfoundation"
2439 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2440 caca_outdev_deps="libcaca"
2441 decklink_outdev_deps="decklink pthreads"
2442 decklink_outdev_extralibs="-lstdc++"
2443 dshow_indev_deps="IBaseFilter"
2444 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2445 dv1394_indev_deps="dv1394"
2446 dv1394_indev_select="dv_demuxer"
2447 fbdev_indev_deps="linux_fb_h"
2448 fbdev_outdev_deps="linux_fb_h"
2449 gdigrab_indev_deps="CreateDIBSection"
2450 gdigrab_indev_extralibs="-lgdi32"
2451 gdigrab_indev_select="bmp_decoder"
2452 iec61883_indev_deps="libiec61883"
2453 jack_indev_deps="jack_jack_h sem_timedwait"
2454 lavfi_indev_deps="avfilter"
2455 libcdio_indev_deps="libcdio"
2456 libdc1394_indev_deps="libdc1394"
2457 libv4l2_indev_deps="libv4l2"
2458 openal_indev_deps="openal"
2459 opengl_outdev_deps="opengl"
2460 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2461 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2462 pulse_indev_deps="libpulse"
2463 pulse_outdev_deps="libpulse"
2464 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2465 qtkit_indev_select="qtkit"
2466 sdl_outdev_deps="sdl"
2467 sndio_indev_deps="sndio_h"
2468 sndio_outdev_deps="sndio_h"
2469 v4l_indev_deps="linux_videodev_h"
2470 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2471 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2472 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2473 vfwcap_indev_extralibs="-lavicap32"
2474 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2475 xv_outdev_extralibs="-lXv -lX11 -lXext"
2476 x11grab_indev_deps="x11grab"
2479 bluray_protocol_deps="libbluray"
2480 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2481 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2482 ffrtmpcrypt_protocol_select="tcp_protocol"
2483 ffrtmphttp_protocol_deps="!librtmp_protocol"
2484 ffrtmphttp_protocol_select="http_protocol"
2485 ftp_protocol_select="tcp_protocol"
2486 gopher_protocol_select="network"
2487 http_protocol_select="tcp_protocol"
2488 httpproxy_protocol_select="tcp_protocol"
2489 https_protocol_select="tls_protocol"
2490 icecast_protocol_select="http_protocol"
2491 librtmp_protocol_deps="librtmp"
2492 librtmpe_protocol_deps="librtmp"
2493 librtmps_protocol_deps="librtmp"
2494 librtmpt_protocol_deps="librtmp"
2495 librtmpte_protocol_deps="librtmp"
2496 libsmbclient_protocol_deps="libsmbclient gplv3"
2497 libssh_protocol_deps="libssh"
2498 mmsh_protocol_select="http_protocol"
2499 mmst_protocol_select="network"
2500 rtmp_protocol_deps="!librtmp_protocol"
2501 rtmp_protocol_select="tcp_protocol"
2502 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2503 rtmps_protocol_deps="!librtmp_protocol"
2504 rtmps_protocol_select="tls_protocol"
2505 rtmpt_protocol_select="ffrtmphttp_protocol"
2506 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2507 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2508 rtp_protocol_select="udp_protocol"
2509 sctp_protocol_deps="struct_sctp_event_subscribe"
2510 sctp_protocol_select="network"
2511 srtp_protocol_select="rtp_protocol"
2512 tcp_protocol_select="network"
2513 tls_protocol_deps_any="openssl gnutls"
2514 tls_protocol_select="tcp_protocol"
2515 udp_protocol_select="network"
2516 unix_protocol_deps="sys_un_h"
2517 unix_protocol_select="network"
2520 aconvert_filter_deps="swresample"
2521 amovie_filter_deps="avcodec avformat"
2522 aresample_filter_deps="swresample"
2523 ass_filter_deps="libass"
2524 asyncts_filter_deps="avresample"
2525 atempo_filter_deps="avcodec"
2526 atempo_filter_select="rdft"
2527 azmq_filter_deps="libzmq"
2528 blackframe_filter_deps="gpl"
2529 boxblur_filter_deps="gpl"
2530 bs2b_filter_deps="libbs2b"
2531 colormatrix_filter_deps="gpl"
2532 cropdetect_filter_deps="gpl"
2533 delogo_filter_deps="gpl"
2534 deshake_filter_select="pixelutils"
2535 drawtext_filter_deps="libfreetype"
2536 ebur128_filter_deps="gpl"
2537 flite_filter_deps="libflite"
2538 frei0r_filter_deps="frei0r dlopen"
2539 frei0r_filter_extralibs='$ldl'
2540 frei0r_src_filter_deps="frei0r dlopen"
2541 frei0r_src_filter_extralibs='$ldl'
2542 geq_filter_deps="gpl"
2543 histeq_filter_deps="gpl"
2544 hqdn3d_filter_deps="gpl"
2545 interlace_filter_deps="gpl"
2546 kerndeint_filter_deps="gpl"
2547 ladspa_filter_deps="ladspa dlopen"
2548 ladspa_filter_extralibs='$ldl'
2549 mcdeint_filter_deps="avcodec gpl"
2550 movie_filter_deps="avcodec avformat"
2551 mp_filter_deps="gpl avcodec swscale inline_asm"
2552 mpdecimate_filter_deps="gpl"
2553 mpdecimate_filter_select="pixelutils"
2554 mptestsrc_filter_deps="gpl"
2555 negate_filter_deps="lut_filter"
2556 perspective_filter_deps="gpl"
2557 ocv_filter_deps="libopencv"
2558 owdenoise_filter_deps="gpl"
2559 pan_filter_deps="swresample"
2560 phase_filter_deps="gpl"
2561 pp_filter_deps="gpl postproc"
2562 pullup_filter_deps="gpl"
2563 removelogo_filter_deps="avcodec avformat swscale"
2564 resample_filter_deps="avresample"
2565 sab_filter_deps="gpl swscale"
2566 scale_filter_deps="swscale"
2567 select_filter_select="pixelutils"
2568 smartblur_filter_deps="gpl swscale"
2569 showspectrum_filter_deps="avcodec"
2570 showspectrum_filter_select="rdft"
2571 spp_filter_deps="gpl avcodec"
2572 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2573 stereo3d_filter_deps="gpl"
2574 subtitles_filter_deps="avformat avcodec libass"
2575 super2xsai_filter_deps="gpl"
2576 tinterlace_filter_deps="gpl"
2577 vidstabdetect_filter_deps="libvidstab"
2578 vidstabtransform_filter_deps="libvidstab"
2579 pixfmts_super2xsai_test_deps="super2xsai_filter"
2580 tinterlace_merge_test_deps="tinterlace_filter"
2581 tinterlace_pad_test_deps="tinterlace_filter"
2582 zmq_filter_deps="libzmq"
2583 zoompan_filter_deps="swscale"
2586 avio_reading="avformat avcodec avutil"
2587 avcodec_example_deps="avcodec avutil"
2588 demuxing_decoding_example_deps="avcodec avformat avutil"
2589 filter_audio_example_deps="avfilter avutil"
2590 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2591 filtering_video_example_deps="avfilter avcodec avformat avutil"
2592 metadata_example_deps="avformat avutil"
2593 muxing_example_deps="avcodec avformat avutil swscale"
2594 remuxing_example_deps="avcodec avformat avutil"
2595 resampling_audio_example_deps="avutil swresample"
2596 scaling_video_example_deps="avutil swscale"
2597 transcode_aac_example_deps="avcodec avformat swresample"
2598 transcoding_example_deps="avfilter avcodec avformat avutil"
2600 # libraries, in linking order
2601 avcodec_deps="avutil"
2602 avdevice_deps="avformat avcodec avutil"
2603 avfilter_deps="avutil"
2604 avformat_deps="avcodec avutil"
2605 avresample_deps="avutil"
2606 postproc_deps="avutil gpl"
2607 swresample_deps="avutil"
2608 swscale_deps="avutil"
2611 ffmpeg_deps="avcodec avfilter avformat swresample"
2612 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2614 setpts_filter trim_filter"
2615 ffplay_deps="avcodec avformat swscale swresample sdl"
2616 ffplay_libs='$sdl_libs'
2617 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2618 ffprobe_deps="avcodec avformat"
2619 ffserver_deps="avformat fork sarestart"
2620 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2623 podpages_deps="perl"
2624 manpages_deps="perl pod2man"
2625 htmlpages_deps="perl texi2html"
2626 txtpages_deps="perl makeinfo"
2627 doc_deps_any="manpages htmlpages podpages txtpages"
2629 # default parameters
2631 logfile="config.log"
2633 # installation paths
2634 prefix_default="/usr/local"
2635 bindir_default='${prefix}/bin'
2636 datadir_default='${prefix}/share/ffmpeg'
2637 docdir_default='${prefix}/share/doc/ffmpeg'
2638 incdir_default='${prefix}/include'
2639 libdir_default='${prefix}/lib'
2640 mandir_default='${prefix}/share/man'
2641 shlibdir_default="$libdir_default"
2647 host_cc_default="gcc"
2649 doxygen_default="doxygen"
2654 pkg_config_default=pkg-config
2655 ranlib_default="ranlib"
2656 strip_default="strip"
2657 yasmexe_default="yasm"
2658 windres_default="windres"
2663 target_os_default=$(tolower $(uname -s))
2664 host_os=$target_os_default
2667 if test "$target_os_default" = aix; then
2668 arch_default=$(uname -p)
2669 strip_default="strip -X32_64"
2671 arch_default=$(uname -m)
2676 # configurable options
2677 enable $PROGRAM_LIST
2678 enable $DOCUMENT_LIST
2679 enable $EXAMPLE_LIST
2680 enable $(filter_out avresample $LIBRARY_LIST)
2686 enable optimizations
2687 enable runtime_cpudetect
2688 enable safe_bitstream_reader
2690 enable swscale_alpha
2692 sws_max_filter_size_default=256
2693 set_default sws_max_filter_size
2695 # Enable hwaccels by default.
2696 enable dxva2 vaapi vda vdpau xvmc
2700 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2703 FULLNAME='$(NAME)$(BUILDSUF)'
2704 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2707 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2708 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2709 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2710 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2711 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2712 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2734 host_cflags_filter=echo
2735 host_ldflags_filter=echo
2737 target_path='$(CURDIR)'
2739 # since the object filename is not given with the -MM flag, the compiler
2740 # is only able to print the basename, and we must add the path ourselves
2741 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2745 if test -f configure; then
2748 source_path=$(cd $(dirname "$0"); pwd)
2749 echo "$source_path" | grep -q '[[:blank:]]' &&
2750 die "Out of tree builds are impossible with whitespace in source path."
2751 test -e "$source_path/config.h" &&
2752 die "Out of tree builds are impossible with config.h in source dir."
2759 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2765 file=$source_path/$3
2766 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2769 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2770 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2771 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2772 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2773 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2774 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2775 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2776 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2777 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2778 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2779 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2795 for n in $COMPONENT_LIST; do
2796 v=$(toupper ${n%s})_LIST
2798 eval ${n}_if_any="\$$v"
2801 enable $ARCH_EXT_LIST
2804 echo "Unknown option \"$1\"."
2805 echo "See $0 --help for available options."
2810 cat | tr ' ' '\n' | sort | pr -r -3 -t
2816 echo $* | sed s/$suffix//g | print_3_columns
2828 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2829 echo "prob ${prob:-0.5}"
2837 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2838 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2847 --extra-ldexeflags=*)
2848 add_ldexeflags $optval
2851 add_extralibs $optval
2854 disable $INDEV_LIST $OUTDEV_LIST
2857 debuglevel="$optval"
2860 disable $PROGRAM_LIST
2862 --disable-everything)
2863 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2866 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2867 disable $LIBRARY_LIST $PROGRAM_LIST doc
2869 --enable-random|--disable-random)
2870 action=${opt%%-random}
2871 do_random ${action#--} $COMPONENT_LIST
2873 --enable-random=*|--disable-random=*)
2874 action=${opt%%-random=*}
2875 do_random ${action#--} $optval
2877 --enable-*=*|--disable-*=*)
2878 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2879 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2880 eval list=\$$(toupper $thing)_LIST
2881 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2882 list=$(filter "$name" $list)
2883 [ "$list" = "" ] && warn "Option $opt did not match anything"
2886 --enable-?*|--disable-?*)
2887 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2888 if is_in $option $COMPONENT_LIST; then
2889 test $action = disable && action=unset
2890 eval $action \$$(toupper ${option%s})_LIST
2891 elif is_in $option $CMDLINE_SELECT; then
2898 NAME="${opt#--list-}"
2899 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2901 eval show_list $NAME \$$(toupper $NAME)_LIST
2903 --help|-h) show_help
2905 --fatal-warnings) enable fatal_warnings
2908 optname="${opt%%=*}"
2909 optname="${optname#--}"
2910 optname=$(echo "$optname" | sed 's/-/_/g')
2911 if is_in $optname $CMDLINE_SET; then
2912 eval $optname='$optval'
2913 elif is_in $optname $CMDLINE_APPEND; then
2914 append $optname "$optval"
2922 disabled logging && logfile=/dev/null
2924 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2927 test -n "$cross_prefix" && enable cross_compile
2929 if enabled cross_compile; then
2930 test -n "$arch" && test -n "$target_os" ||
2931 die "Must specify target arch and OS when cross-compiling"
2934 ar_default="${cross_prefix}${ar_default}"
2935 cc_default="${cross_prefix}${cc_default}"
2936 cxx_default="${cross_prefix}${cxx_default}"
2937 nm_default="${cross_prefix}${nm_default}"
2938 pkg_config_default="${cross_prefix}${pkg_config_default}"
2939 ranlib_default="${cross_prefix}${ranlib_default}"
2940 strip_default="${cross_prefix}${strip_default}"
2941 windres_default="${cross_prefix}${windres_default}"
2943 sysinclude_default="${sysroot}/usr/include"
2945 test -n "$valgrind" && toolchain="valgrind-memcheck"
2947 case "$toolchain" in
2950 add_cflags -fsanitize=address
2951 add_ldflags -fsanitize=address
2955 add_cflags -fsanitize=thread -pie
2956 add_ldflags -fsanitize=thread -pie
2960 add_cflags -fsanitize=undefined
2961 add_ldflags -fsanitize=undefined
2965 add_cflags -fsanitize=address
2966 add_ldflags -fsanitize=address
2970 add_cflags -fsanitize=thread -pie -fPIC
2971 add_ldflags -fsanitize=thread -pie -fPIC
2975 add_cflags -fsanitize=undefined
2976 add_ldflags -fsanitize=undefined
2979 target_exec_default=${valgrind:-"valgrind"}
2980 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"
2983 target_exec_default=${valgrind:-"valgrind"}
2984 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2987 # Check whether the current MSVC version needs the C99 converter.
2988 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2989 # support enough of C99 to build ffmpeg. Default to the new
2990 # behaviour if the regexp was unable to match anything, since this
2991 # successfully parses the version number of existing supported
2992 # versions that require the converter (MSVC 2010 and 2012).
2993 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2994 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2997 cc_default="c99wrap cl"
3000 nm_default="dumpbin -symbols"
3002 target_os_default="win32"
3003 # Use a relative path for TMPDIR. This makes sure all the
3004 # ffconf temp files are written with a relative path, avoiding
3005 # issues with msys/win32 path conversion for MSVC parameters
3006 # such as -Fo<file> or -out:<file>.
3012 nm_default="dumpbin -symbols"
3014 target_os_default="win32"
3018 add_cflags -fprofile-arcs -ftest-coverage
3019 add_ldflags -fprofile-arcs -ftest-coverage
3022 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
3023 add_ldflags -Wl,-z,relro -Wl,-z,now
3026 die "Unknown toolchain $toolchain"
3030 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3031 target_exec target_os yasmexe
3032 enabled cross_compile || host_cc_default=$cc
3035 if ! $pkg_config --version >/dev/null 2>&1; then
3036 warn "$pkg_config not found, library detection may fail."
3040 if test $doxygen != $doxygen_default && \
3041 ! $doxygen --version >/dev/null 2>&1; then
3042 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3047 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3051 EXESUF=$(exesuf $target_os)
3052 HOSTEXESUF=$(exesuf $host_os)
3054 # set temporary file name
3055 : ${TMPDIR:=$TEMPDIR}
3059 if [ -n "$tempprefix" ] ; then
3061 echo $tempprefix.${HOSTNAME}.${UID}
3063 elif ! check_cmd mktemp -u XXXXXX; then
3064 # simple replacement for missing mktemp
3065 # NOT SAFE FOR GENERAL USE
3067 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3072 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3073 (set -C; exec > $tmp) 2>/dev/null ||
3074 die "Unable to create temporary file in $TMPDIR."
3075 append TMPFILES $tmp
3079 trap 'rm -f -- $TMPFILES' EXIT
3084 tmpfile TMPE $EXESUF
3096 # make sure we can execute files in $TMPDIR
3097 cat > $TMPSH 2>> $logfile <<EOF
3100 chmod +x $TMPSH >> $logfile 2>&1
3101 if ! $TMPSH >> $logfile 2>&1; then
3103 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3104 variable to another directory and make sure that it is not mounted noexec.
3106 die "Sanity test failed."
3112 -std=c99) echo -c99 ;;
3113 -mcpu=*) echo -arch ${flag#*=} ;;
3114 -mieee) echo -ieee ;;
3115 -O*|-fast) echo $flag ;;
3116 -fno-math-errno) echo -assume nomath_errno ;;
3118 -Wall) echo -msg_enable level2 ;;
3119 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3120 -Wl,*) echo $flag ;;
3130 -Wno-switch) echo -Wno-switch-enum ;;
3131 -Wno-format-zero-length) ;;
3132 -Wdisabled-optimization) ;;
3133 -Wno-pointer-sign) echo -Wno-other ;;
3139 msvc_common_flags(){
3142 # In addition to specifying certain flags under the compiler
3143 # specific filters, they must be specified here as well or else the
3144 # generic catch all at the bottom will print the original flag.
3148 -fomit-frame-pointer) ;;
3152 -fno-signed-zeros) ;;
3156 -lz) echo zlib.lib ;;
3157 -lavifil32) echo vfw32.lib ;;
3158 -lavicap32) echo vfw32.lib user32.lib ;;
3159 -l*) echo ${flag#-l}.lib ;;
3166 msvc_common_flags "$@"
3169 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3170 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3171 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3179 msvc_common_flags "$@"
3182 # Despite what Intel's documentation says -Wall, which is supported
3183 # on Windows, does enable remarks so disable them here.
3184 -Wall) echo $flag -Qdiag-disable:remark ;;
3185 -std=c99) echo -Qstd=c99 ;;
3203 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3204 -fomit-frame-pointer) echo -Mnoframe ;;
3215 case "${flag#*=}" in
3216 native) echo -xtarget=native ;;
3217 v9|niagara) echo -xarch=sparc ;;
3218 ultrasparc) echo -xarch=sparcvis ;;
3219 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3220 i586|pentium) echo -xchip=pentium ;;
3221 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3222 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3223 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3224 pentium4*) echo -xtarget=pentium4 ;;
3225 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3226 *-sse3) echo -xarch=sse3 ;;
3227 core2) echo -xarch=ssse3 -xchip=core2 ;;
3228 bonnell) echo -xarch=ssse3 ;;
3229 corei7|nehalem) echo -xtarget=nehalem ;;
3230 westmere) echo -xtarget=westmere ;;
3231 silvermont) echo -xarch=sse4_2 ;;
3232 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3233 core-avx*|ivybridge|haswell|broadwell)
3235 amdfam10|barcelona) echo -xtarget=barcelona ;;
3236 btver1) echo -xarch=amdsse4a ;;
3237 btver2|bdver*) echo -xarch=avx ;;
3238 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3239 k8|opteron|athlon64|athlon-fx)
3240 echo -xarch=sse2a ;;
3241 athlon*) echo -xarch=pentium_proa ;;
3244 -std=c99) echo -xc99 ;;
3245 -fomit-frame-pointer) echo -xregs=frameptr ;;
3246 -fPIC) echo -KPIC -xcode=pic32 ;;
3247 -W*,*) echo $flag ;;
3248 -f*-*|-W*|-mimpure-text) ;;
3259 case "${flag#*=}" in
3260 armv7-a|cortex-a*) echo -mv=7a8 ;;
3261 armv7-r|cortex-r*) echo -mv=7r4 ;;
3262 armv7-m|cortex-m*) echo -mv=7m3 ;;
3263 armv6*|arm11*) echo -mv=6 ;;
3264 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3266 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3269 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3270 -mfpu=vfp) echo --float_support=vfpv2 ;;
3271 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3272 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3273 -msoft-float) echo --float_support=vfplib ;;
3274 -O[0-3]|-mf=*) echo $flag ;;
3276 -pds=*) echo $flag ;;
3277 -D*|-I*) echo $flag ;;
3278 --gcc|--abi=*) echo $flag ;;
3288 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3289 unset _ld_o _ldflags _ld_lib _ld_path
3290 unset _depflags _DEPCMD _DEPFLAGS
3293 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3294 true # no-op to avoid reading stdin in following checks
3295 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3297 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3298 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3299 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3302 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3304 gcc_version=$($_cc --version | head -n1)
3305 gcc_basever=$($_cc -dumpversion)
3306 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3307 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3308 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3309 if ! $_cc -dumpversion | grep -q '^2\.'; then
3310 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3314 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3316 _ident=$($_cc --version | head -n1)
3321 _flags_filter=icc_flags
3322 elif $_cc -v 2>&1 | grep -q xlc; then
3324 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3326 _cflags_size='-O5 -qcompact'
3327 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3329 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3331 _cflags_speed='-fast'
3333 _flags_filter=ccc_flags
3334 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3335 test -d "$sysroot" || die "No valid sysroot specified."
3337 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3338 armcc_conf="$PWD/armcc.conf"
3339 $_cc --arm_linux_configure \
3340 --arm_linux_config_file="$armcc_conf" \
3341 --configure_sysroot="$sysroot" \
3342 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3343 die "Error creating armcc configuration file."
3344 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3345 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3346 as_default="${cross_prefix}gcc"
3350 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3352 _ident=$($_cc -version | head -n1 | tr -s ' ')
3353 _flags='--gcc --abi=eabi -me'
3356 _depflags='-ppa -ppd=$(@:.o=.d)'
3357 _cflags_speed='-O3 -mf=5'
3358 _cflags_size='-O3 -mf=2'
3359 _flags_filter=tms470_flags
3360 elif $_cc -v 2>&1 | grep -q clang; then
3362 _ident=$($_cc --version | head -n1)
3363 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3366 elif $_cc -V 2>&1 | grep -q Sun; then
3368 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3369 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3370 _DEPFLAGS='-xM1 -xc99'
3373 _cflags_size='-O5 -xspace'
3374 _flags_filter=suncc_flags
3375 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3377 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3378 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3381 _flags_filter='filter_out -Wdisabled-optimization'
3382 elif $_cc -v 2>&1 | grep -q Open64; then
3384 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3385 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3388 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3389 elif $_cc -V 2>&1 | grep -q Portland; then
3391 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3392 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3393 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3394 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3396 _flags_filter=pgi_flags
3397 elif $_cc 2>&1 | grep -q Microsoft; then
3399 _ident=$($cc 2>&1 | head -n1)
3400 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3401 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3404 if $_cc 2>&1 | grep -q Linker; then
3411 _flags_filter=msvc_flags
3413 _ld_path='-libpath:'
3415 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3416 if [ $pfx = hostcc ]; then
3417 append _cflags -Dsnprintf=_snprintf
3420 elif $_cc 2>&1 | grep -q Intel; then
3422 _ident=$($cc 2>&1 | head -n1)
3423 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3424 # Not only is O3 broken on 13.x+ but it is slower on all previous
3425 # versions (tested) as well.
3427 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3428 if $_cc 2>&1 | grep -q Linker; then
3435 _flags_filter=icl_flags
3437 _ld_path='-libpath:'
3438 # -Qdiag-error to make icl error when seeing certain unknown arguments
3439 _flags='-nologo -Qdiag-error:4044,10157'
3440 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3441 # with MSVC which enables it by default.
3442 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3443 if [ $pfx = hostcc ]; then
3444 append _cflags -Dsnprintf=_snprintf
3446 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3448 _ident=$($_cc --version | head -n1)
3452 _flags_filter=cparser_flags
3455 eval ${pfx}_type=\$_type
3456 eval ${pfx}_ident=\$_ident
3460 eval ${1}_C=\${_cc_c-\${${1}_C}}
3461 eval ${1}_E=\${_cc_e-\${${1}_E}}
3462 eval ${1}_O=\${_cc_o-\${${1}_O}}
3464 if [ -n "$_depflags" ]; then
3465 eval ${1}_DEPFLAGS=\$_depflags
3467 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3468 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3469 eval DEP${1}FLAGS=\$_flags
3474 cflags_filter=$_flags_filter
3475 cflags_speed=$_cflags_speed
3476 cflags_size=$_cflags_size
3477 cflags_noopt=$_cflags_noopt
3478 add_cflags $_flags $_cflags
3479 cc_ldflags=$_ldflags
3482 probe_cc hostcc "$host_cc"
3483 host_cflags_filter=$_flags_filter
3484 add_host_cflags $_flags $_cflags
3487 test -n "$cc_type" && enable $cc_type ||
3488 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3490 : ${as_default:=$cc}
3491 : ${dep_cc_default:=$cc}
3492 : ${ld_default:=$cc}
3493 : ${host_ld_default:=$host_cc}
3494 set_default ar as dep_cc ld host_ld windres
3497 asflags_filter=$_flags_filter
3498 add_asflags $_flags $_cflags
3502 ldflags_filter=$_flags_filter
3503 add_ldflags $_flags $_ldflags
3504 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3506 LD_LIB=${_ld_lib-$LD_LIB}
3507 LD_PATH=${_ld_path-$LD_PATH}
3509 probe_cc hostld "$host_ld"
3510 host_ldflags_filter=$_flags_filter
3511 add_host_ldflags $_flags $_ldflags
3512 HOSTLD_O=${_ld_o-$HOSTLD_O}
3514 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3515 probe_cc depcc "$dep_cc"
3516 CCDEP=${_DEPCMD:-$DEPCMD}
3517 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3521 if $ar 2>&1 | grep -q Microsoft; then
3524 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3527 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3528 arflags='-Xany -r -c'
3535 add_cflags $extra_cflags
3536 add_cxxflags $extra_cxxflags
3537 add_asflags $extra_cflags
3539 if test -n "$sysroot"; then
3542 add_cppflags --sysroot="$sysroot"
3543 add_ldflags --sysroot="$sysroot"
3544 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3545 add_cppflags -isysroot "$sysroot"
3546 add_ldflags -isysroot "$sysroot"
3549 add_cppflags -I"$sysinclude"
3550 add_ldflags --sysroot="$sysroot"
3555 if test "$cpu" = host; then
3556 enabled cross_compile &&
3557 die "--cpu=host makes no sense when cross-compiling."
3562 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3564 s/.*$1=\\([^ ]*\\).*/\\1/
3569 cpu=$(check_native -march || check_native -mcpu)
3573 test "${cpu:-host}" = host &&
3574 die "--cpu=host not supported with compiler $cc"
3577 # Deal with common $arch aliases
3591 "Power Macintosh"|ppc*|powerpc*)
3606 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3611 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3614 # Add processor-specific flags
3615 if enabled aarch64; then
3619 cpuflags="-march=$cpu"
3622 cpuflags="-mcpu=$cpu"
3626 elif enabled alpha; then
3628 cpuflags="-mcpu=$cpu"
3630 elif enabled arm; then
3633 check_cpp_condition stddef.h \
3634 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3639 if check_arm_arch 4; then echo armv4;
3640 elif check_arm_arch 4T; then echo armv4t;
3641 elif check_arm_arch 5; then echo armv5;
3642 elif check_arm_arch 5E; then echo armv5e;
3643 elif check_arm_arch 5T; then echo armv5t;
3644 elif check_arm_arch 5TE; then echo armv5te;
3645 elif check_arm_arch 5TEJ; then echo armv5te;
3646 elif check_arm_arch 6; then echo armv6;
3647 elif check_arm_arch 6J; then echo armv6j;
3648 elif check_arm_arch 6K; then echo armv6k;
3649 elif check_arm_arch 6Z; then echo armv6z;
3650 elif check_arm_arch 6ZK; then echo armv6zk;
3651 elif check_arm_arch 6T2; then echo armv6t2;
3652 elif check_arm_arch 7; then echo armv7;
3653 elif check_arm_arch 7A 7_A; then echo armv7-a;
3654 elif check_arm_arch 7R 7_R; then echo armv7-r;
3655 elif check_arm_arch 7M 7_M; then echo armv7-m;
3656 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3657 elif check_arm_arch 8A 8_A; then echo armv8-a;
3661 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3665 cpuflags="-march=$cpu"
3666 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3669 cpuflags="-mcpu=$cpu"
3671 cortex-a*) subarch=armv7a ;;
3672 cortex-r*) subarch=armv7r ;;
3673 cortex-m*) enable thumb; subarch=armv7m ;;
3674 arm11*) subarch=armv6 ;;
3675 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3676 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3677 *) subarch=$(probe_arm_arch) ;;
3683 armv5t*) enable fast_clz ;;
3686 disabled fast_unaligned || enable fast_unaligned
3690 elif enabled avr32; then
3695 cpuflags="-mpart=$cpu"
3699 cpuflags="-march=$cpu"
3703 cpuflags="-mcpu=$cpu"
3707 cpuflags="-march=$cpu"
3711 elif enabled bfin; then
3713 cpuflags="-mcpu=$cpu"
3715 elif enabled mips; then
3717 cpuflags="-march=$cpu"
3733 24kef*|34kf*|1004kf*)
3741 elif enabled ppc; then
3746 case $(tolower $cpu) in
3747 601|ppc601|powerpc601)
3748 cpuflags="-mcpu=601"
3751 603*|ppc603*|powerpc603*)
3752 cpuflags="-mcpu=603"
3755 604*|ppc604*|powerpc604*)
3756 cpuflags="-mcpu=604"
3759 g3|75*|ppc75*|powerpc75*)
3760 cpuflags="-mcpu=750"
3763 g4|745*|ppc745*|powerpc745*)
3764 cpuflags="-mcpu=7450"
3766 74*|ppc74*|powerpc74*)
3767 cpuflags="-mcpu=7400"
3769 g5|970|ppc970|powerpc970)
3770 cpuflags="-mcpu=970"
3773 cpuflags="-mcpu=$cpu"
3776 cpuflags="-mcpu=cell"
3780 cpuflags="-mcpu=e500mc"
3784 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3789 cpuflags="-mcpu=8540 -mhard-float"
3795 elif enabled sparc; then
3798 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3799 cpuflags="-mcpu=$cpu"
3801 ultrasparc*|niagara[234])
3802 cpuflags="-mcpu=$cpu"
3806 elif enabled x86; then
3810 cpuflags="-march=$cpu"
3813 # targets that do NOT support nopl and conditional mov (cmov)
3814 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3815 cpuflags="-march=$cpu"
3818 # targets that do support nopl and conditional mov (cmov)
3819 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
3820 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
3821 cpuflags="-march=$cpu"
3825 # targets that do support conditional mov but on which it's slow
3826 pentium4|pentium4m|prescott|nocona)
3827 cpuflags="-march=$cpu"
3835 if [ "$cpu" != generic ]; then
3836 add_cflags $cpuflags
3837 add_asflags $cpuflags
3840 # compiler sanity check
3842 int main(void){ return 0; }
3844 if test "$?" != 0; then
3845 echo "$cc is unable to create an executable file."
3846 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3847 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3848 echo "Only do this if you know what cross compiling means."
3850 die "C compiler test failed."
3853 add_cppflags -D_ISOC99_SOURCE
3854 add_cxxflags -D__STDC_CONSTANT_MACROS
3855 check_cflags -std=c99
3856 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3859 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3863 add_host_cppflags -D_ISOC99_SOURCE
3864 check_host_cflags -std=c99
3865 check_host_cflags -Wall
3866 check_host_cflags -O3
3872 check_code cc "" "int test[2*($expr) - 1]" &&
3873 subarch=$arch64 || subarch=$arch32
3881 check_64bit mips mips64 '_MIPS_SIM > 1'
3885 check_64bit parisc parisc64 'sizeof(void *) > 4'
3889 check_64bit ppc ppc64 'sizeof(void *) > 4'
3893 check_64bit s390 s390x 'sizeof(void *) > 4'
3897 check_64bit sparc sparc64 'sizeof(void *) > 4'
3901 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3902 if test "$subarch" = "x86_64"; then
3907 check_cc <<EOF && subarch="ppc64"
3908 int test[(int)sizeof(char*) - 7];
3914 enabled spic && enable_weak pic
3920 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3921 enabled shared && add_ldflags -Wl,-brtl
3925 SLIB_INSTALL_NAME='$(SLIBNAME)'
3927 # soname not set on purpose
3931 prefix_default="/boot/common"
3932 network_extralibs="-lnetwork"
3936 SHFLAGS='-shared -Wl,-h,$$(@F)'
3937 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3938 network_extralibs="-lsocket -lnsl"
3939 # When using suncc to build, the Solaris linker will mark
3940 # an executable with each instruction set encountered by
3941 # the Solaris assembler. As our libraries contain their own
3942 # guards for processor-specific code, instead suppress
3943 # generation of the HWCAPS ELF section on Solaris x86 only.
3944 enabled_all suncc x86 &&
3945 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3946 add_ldflags -Wl,-M,mapfile
3947 nm_default='nm -P -g'
3951 oss_indev_extralibs="-lossaudio"
3952 oss_outdev_extralibs="-lossaudio"
3953 enabled gcc || check_ldflags -Wl,-zmuldefs
3958 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3960 oss_indev_extralibs="-lossaudio"
3961 oss_outdev_extralibs="-lossaudio"
3969 add_extralibs -lpoll -lgnugetopt
3973 test "${as#*gas-preprocessor.pl}" != "$as" || gas="${gas:=gas-preprocessor.pl} ${as:=$cc}"
3974 enabled ppc && add_asflags -force_cpusubtype_ALL
3975 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3976 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3978 add_ldflags -Wl,-dynamic,-search_paths_first
3980 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3981 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3983 enabled x86_64 && objformat="macho64"
3984 enabled_any pic shared ||
3985 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3988 if test $target_os = "mingw32ce"; then
3994 if enabled x86_64; then
3995 LIBTARGET="i386:x86-64"
3996 elif enabled arm; then
3999 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4000 check_ldflags -Wl,--nxcompat
4001 check_ldflags -Wl,--dynamicbase
4002 shlibdir_default="$bindir_default"
4005 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4006 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4007 dlltool="${cross_prefix}dlltool"
4008 if check_cmd lib.exe -list; then
4009 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4010 if enabled x86_64; then
4013 elif check_cmd $dlltool --version; then
4014 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4016 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4018 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4019 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4020 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4027 if enabled shared; then
4028 # Link to the import library instead of the normal static library
4031 # Cannot build both shared and static libs with MSVC or icl.
4034 shlibdir_default="$bindir_default"
4037 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4038 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4039 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4040 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4042 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4043 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4044 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4051 shlibdir_default="$bindir_default"
4054 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4055 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4056 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4058 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4059 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4062 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4064 *-dos|freedos|opendos)
4065 network_extralibs="-lsocket"
4068 add_cppflags -U__STRICT_ANSI__
4075 ranlib="echo ignoring ranlib"
4081 add_cppflags -D_GNU_SOURCE
4082 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4083 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4087 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4088 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4089 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4090 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
4091 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4092 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4093 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4094 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
4095 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4096 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4097 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4099 enable_weak os2threads
4102 add_cppflags -D_BSD_SOURCE
4107 add_cppflags -D_QNX_SOURCE
4108 network_extralibs="-lsocket"
4113 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4114 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4115 add_ldflags -Wl,--target1-abs,--no-undefined \
4116 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4117 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4118 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4119 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4120 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4123 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4128 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4129 -D_REENTRANT_SOURCE \
4130 -D_RESEARCH_SOURCE \
4133 add_compat strtod.o strtod=avpriv_strtod
4134 network_extralibs='-lbsd'
4135 exeobjs=compat/plan9/main.o
4142 die "Unknown OS '$target_os'."
4146 # determine libc flavour
4151 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4152 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4153 eval ${pfx}libc_type=uclibc
4154 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4155 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4156 eval ${pfx}libc_type=glibc
4157 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4158 # MinGW headers can be installed on Cygwin, so check for newlib first.
4159 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4160 eval ${pfx}libc_type=newlib
4161 add_${pfx}cppflags -U__STRICT_ANSI__
4162 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4163 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4164 eval ${pfx}libc_type=mingw64
4165 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4166 add_compat msvcrt/snprintf.o
4167 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4169 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4170 eval test \$${pfx_no_}cc_type = "gcc" &&
4171 add_${pfx}cppflags -D__printf__=__gnu_printf__
4172 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4173 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4174 eval ${pfx}libc_type=mingw32
4175 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4176 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4177 die "ERROR: MinGW32 runtime version must be >= 3.15."
4178 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4179 eval test \$${pfx_no_}cc_type = "gcc" &&
4180 add_${pfx}cppflags -D__printf__=__gnu_printf__
4181 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4182 eval ${pfx}libc_type=msvcrt
4183 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4184 # 0x601 by default unless something else is set by the user.
4185 # This can easily lead to us detecting functions only present
4186 # in such new versions and producing binaries requiring windows 7.0.
4187 # Therefore explicitly set the default to XP unless the user has
4188 # set something else on the command line.
4189 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4190 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4191 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4192 eval ${pfx}libc_type=klibc
4193 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4194 eval ${pfx}libc_type=bionic
4195 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4196 eval ${pfx}libc_type=solaris
4197 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4202 test -n "$libc_type" && enable libc_$libc_type
4204 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4208 add_compat strtod.o strtod=avpriv_strtod
4211 add_compat strtod.o strtod=avpriv_strtod
4212 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4213 _snprintf=avpriv_snprintf \
4214 vsnprintf=avpriv_vsnprintf
4218 # hacks for compiler/libc/os combinations
4220 if enabled_all tms470 libc_glibc; then
4221 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4222 add_cppflags -D__USER_LABEL_PREFIX__=
4223 add_cppflags -D__builtin_memset=memset
4224 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4225 add_cflags -pds=48 # incompatible redefinition of macro
4228 if enabled_all ccc libc_glibc; then
4229 add_ldflags -Wl,-z,now # calls to libots crash without this
4232 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4233 add_cppflags '-I\$(SRC_PATH)/compat/float'
4236 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4239 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4241 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4243 set_default $PATHS_LIST
4246 # we need to build at least one lib type
4247 if ! enabled_any static shared; then
4249 At least one library type must be built.
4250 Specify --enable-static to build the static libraries or --enable-shared to
4251 build the shared libraries as well. To only build the shared libraries specify
4252 --disable-static in addition to --enable-shared.
4257 die_license_disabled() {
4258 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4261 die_license_disabled_gpl() {
4262 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4265 die_license_disabled gpl frei0r
4266 die_license_disabled gpl libcdio
4267 die_license_disabled gpl libsmbclient
4268 die_license_disabled gpl libutvideo
4269 die_license_disabled gpl libvidstab
4270 die_license_disabled gpl libx264
4271 die_license_disabled gpl libx265
4272 die_license_disabled gpl libxavs
4273 die_license_disabled gpl libxvid
4274 die_license_disabled gpl libzvbi
4275 die_license_disabled gpl x11grab
4277 die_license_disabled nonfree libaacplus
4278 die_license_disabled nonfree libfaac
4279 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4280 enabled gpl && die_license_disabled_gpl nonfree openssl
4282 die_license_disabled version3 libopencore_amrnb
4283 die_license_disabled version3 libopencore_amrwb
4284 die_license_disabled version3 libsmbclient
4285 die_license_disabled version3 libvo_aacenc
4286 die_license_disabled version3 libvo_amrwbenc
4288 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4290 disabled optimizations || check_cflags -fomit-frame-pointer
4293 disabled pic && return
4296 case "$target_os" in
4306 enabled pic && enable_weak_pic
4308 check_cc <<EOF || die "Symbol mangling check failed."
4311 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4312 extern_prefix=${sym%%ff_extern*}
4314 check_cc <<EOF && enable_weak inline_asm
4315 void foo(void) { __asm__ volatile ("" ::); }
4319 for restrict_keyword in restrict __restrict__ __restrict; do
4320 check_cc <<EOF && _restrict=$restrict_keyword && break
4321 void foo(char * $restrict_keyword p);
4325 check_cc <<EOF && enable pragma_deprecated
4326 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4329 check_cc <<EOF && enable attribute_packed
4330 struct { int x; } __attribute__((packed)) x;
4333 check_cc <<EOF && enable attribute_may_alias
4334 union { int x; } __attribute__((may_alias)) x;
4337 check_cc <<EOF || die "endian test failed"
4338 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4340 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4342 if [ "$cpu" = "power7" ] || [ "$cpu" = "power8" ] ;then
4343 if ! enabled bigendian ;then
4349 log "check_gas using '$as' as AS"
4350 # :vararg is used on aarch64, arm and ppc altivec
4351 check_as <<EOF || return 1
4352 .macro m n, y:vararg=0
4357 # .altmacro is only used in arm asm
4358 ! enabled arm || check_as <<EOF || return 1
4365 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4366 enabled_any arm aarch64 && nogas=die
4367 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4369 if ! check_gas ; then
4372 $nogas "GNU assembler not found, install gas-preprocessor"
4375 check_as <<EOF && enable as_func
4381 check_inline_asm inline_asm_labels '"1:\n"'
4383 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4385 if enabled aarch64; then
4386 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4387 # internal assembler in clang 3.3 does not support this instruction
4388 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4389 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4391 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4393 elif enabled alpha; then
4397 elif enabled arm; then
4399 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4400 float func(float a, float b){ return a+b; }
4403 enabled thumb && check_cflags -mthumb || check_cflags -marm
4405 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4407 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4408 case "${cross_prefix:-$cc}" in
4409 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4410 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4411 __asm__ (".eabi_attribute 28, 1");
4412 int main(void) { return 0; }
4415 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4418 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4419 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4420 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4421 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4422 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4423 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4425 [ $target_os = linux ] || [ $target_os = android ] ||
4426 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4429 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4431 check_as <<EOF && enable as_dn_directive
4436 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4438 elif enabled mips; then
4440 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4441 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4442 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4443 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4444 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4445 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4446 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4447 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4448 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4450 elif enabled parisc; then
4452 if enabled gcc; then
4453 case $($cc -dumpversion) in
4454 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4458 elif enabled ppc; then
4460 enable local_aligned_8 local_aligned_16 local_aligned_32
4462 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4463 check_inline_asm ibm_asm '"add 0, 0, 0"'
4464 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4465 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4467 # AltiVec flags: The FSF version of GCC differs from the Apple version
4468 if enabled altivec; then
4469 check_cflags -maltivec -mabi=altivec &&
4470 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4471 check_cflags -faltivec
4473 # check if our compiler supports Motorola AltiVec C API
4474 check_cc <<EOF || disable altivec
4477 vector signed int v1 = (vector signed int) { 0 };
4478 vector signed int v2 = (vector signed int) { 1 };
4479 v1 = vec_add(v1, v2);
4484 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4487 if enabled vsx; then
4490 elif enabled x86; then
4492 check_builtin rdtsc intrin.h "__rdtsc()"
4493 check_builtin mm_empty mmintrin.h "_mm_empty()"
4495 enable local_aligned_8 local_aligned_16 local_aligned_32
4497 # check whether EBP is available on x86
4498 # As 'i' is stored on the stack, this program will crash
4499 # if the base pointer is used to access it because the
4500 # base pointer is cleared in the inline assembly code.
4501 check_exec_crash <<EOF && enable ebp_available
4503 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4507 # check whether EBX is available on x86
4508 check_inline_asm ebx_available '""::"b"(0)' &&
4509 check_inline_asm ebx_available '"":::"%ebx"'
4511 # check whether xmm clobbers are supported
4512 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4514 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4515 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4517 # check whether binutils is new enough to compile SSSE3/MMXEXT
4518 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4519 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4521 if ! disabled_any asm mmx yasm; then
4522 if check_cmd $yasmexe --version; then
4523 enabled x86_64 && yasm_extra="-m amd64"
4524 yasm_debug="-g dwarf2"
4525 elif check_cmd nasm -v; then
4527 yasm_debug="-g -F dwarf"
4528 if enabled x86_64; then
4529 case "$objformat" in
4530 elf) objformat=elf64 ;;
4531 win32) objformat=win64 ;;
4536 YASMFLAGS="-f $objformat $yasm_extra"
4537 enabled pic && append YASMFLAGS "-DPIC"
4538 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4539 case "$objformat" in
4540 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4543 check_yasm "movbe ecx, [5]" && enable yasm ||
4544 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4545 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4546 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4547 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4548 check_yasm "CPU amdnop" || disable cpunop
4552 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4559 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4561 check_ldflags -Wl,--as-needed
4563 if check_func dlopen; then
4565 elif check_func dlopen -ldl; then
4569 if ! disabled network; then
4570 check_func getaddrinfo $network_extralibs
4571 check_func getservbyport $network_extralibs
4572 check_func inet_aton $network_extralibs
4574 check_type netdb.h "struct addrinfo"
4575 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4576 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4577 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4578 check_type poll.h "struct pollfd"
4579 check_type netinet/sctp.h "struct sctp_event_subscribe"
4580 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4581 check_type netinet/in.h "struct sockaddr_in6"
4582 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4583 check_type "sys/types.h sys/socket.h" socklen_t
4585 # Prefer arpa/inet.h over winsock2
4586 if check_header arpa/inet.h ; then
4587 check_func closesocket
4588 elif check_header winsock2.h ; then
4589 check_func_headers winsock2.h closesocket -lws2 &&
4590 network_extralibs="-lws2" ||
4591 { check_func_headers winsock2.h closesocket -lws2_32 &&
4592 network_extralibs="-lws2_32"; } || disable winsock2_h network
4593 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4595 check_type ws2tcpip.h socklen_t
4596 check_type ws2tcpip.h "struct addrinfo"
4597 check_type ws2tcpip.h "struct group_source_req"
4598 check_type ws2tcpip.h "struct ip_mreq_source"
4599 check_type ws2tcpip.h "struct ipv6_mreq"
4600 check_type winsock2.h "struct pollfd"
4601 check_struct winsock2.h "struct sockaddr" sa_len
4602 check_type ws2tcpip.h "struct sockaddr_in6"
4603 check_type ws2tcpip.h "struct sockaddr_storage"
4609 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4610 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4611 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4612 check_builtin sarestart signal.h "SA_RESTART"
4613 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4615 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4616 check_func ${malloc_prefix}memalign && enable memalign
4617 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4620 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4623 check_func gethrtime
4625 check_func getrusage
4626 check_func gettimeofday
4628 check_func localtime_r
4629 check_func mach_absolute_time
4633 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4634 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4635 check_func sched_getaffinity
4636 check_func setrlimit
4637 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4638 check_func strerror_r
4643 check_func_headers conio.h kbhit
4644 check_func_headers io.h setmode
4645 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4646 check_func_headers stdlib.h getenv
4648 check_func_headers windows.h CoTaskMemFree -lole32
4649 check_func_headers windows.h GetProcessAffinityMask
4650 check_func_headers windows.h GetProcessTimes
4651 check_func_headers windows.h GetSystemTimeAsFileTime
4652 check_func_headers windows.h MapViewOfFile
4653 check_func_headers windows.h PeekNamedPipe
4654 check_func_headers windows.h SetConsoleTextAttribute
4655 check_func_headers windows.h Sleep
4656 check_func_headers windows.h VirtualAlloc
4657 check_func_headers glob.h glob
4659 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4661 check_header cl/cl.h
4662 check_header direct.h
4663 check_header dlfcn.h
4665 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4667 check_header libcrystalhd/libcrystalhd_if.h
4668 check_header mach/mach_time.h
4669 check_header malloc.h
4671 check_header sys/mman.h
4672 check_header sys/param.h
4673 check_header sys/resource.h
4674 check_header sys/select.h
4675 check_header sys/time.h
4676 check_header sys/un.h
4677 check_header termios.h
4678 check_header unistd.h
4679 check_header vdpau/vdpau.h
4680 check_header vdpau/vdpau_x11.h
4681 check_header VideoDecodeAcceleration/VDADecoder.h
4682 check_header windows.h
4683 check_header X11/extensions/XvMClib.h
4684 check_header asm/types.h
4686 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4687 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4688 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4690 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4692 if ! disabled w32threads && ! enabled pthreads; then
4693 check_func_headers "windows.h process.h" _beginthreadex &&
4694 enable w32threads || disable w32threads
4697 # check for some common methods of building with pthread support
4698 # do this before the optional library checks as some of them require pthreads
4699 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4701 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4703 add_extralibs -pthread
4704 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4705 add_cflags -pthreads
4706 add_extralibs -pthreads
4707 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
4708 add_cflags -ldl -pthread
4709 add_extralibs -ldl -pthread
4710 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4711 add_extralibs -lpthreadGC2
4712 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4714 elif ! check_func pthread_join && ! check_func pthread_create; then
4717 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4721 if enabled pthreads; then
4722 check_func pthread_cancel
4725 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4726 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4728 check_lib math.h sin -lm && LIBM="-lm"
4729 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4736 for func in $MATH_FUNCS; do
4737 eval check_mathfunc $func \${${func}_args:-1}
4740 # these are off by default, so fail if requested and not available
4741 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
4742 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4743 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4744 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4745 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
4746 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4747 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4748 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4749 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4750 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4751 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4752 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
4753 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4754 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4755 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4756 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4757 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4758 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4759 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4760 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"
4761 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4762 enabled fontconfig && enable libfontconfig
4763 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4764 enabled libfreetype && require_libfreetype
4765 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
4766 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4767 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4768 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4769 done || die "ERROR: libgsm not found"; }
4770 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4771 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4772 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4773 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4774 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4775 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4776 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4777 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4778 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4779 die "ERROR: libopenjpeg not found"; }
4780 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4781 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
4782 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4783 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4784 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4785 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4786 enabled libsmbclient && { { check_pkg_config smbclient libsmbclient.h smbc_init &&
4787 require_pkg_config smbclient libsmbclient.h smbc_init; } ||
4788 require smbclient libsmbclient.h smbc_init -lsmbclient; }
4789 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4790 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4791 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
4792 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4793 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4794 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4795 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4796 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4797 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4798 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4799 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4800 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4801 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
4802 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4803 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4804 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4806 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4807 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4808 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 ||
4809 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4810 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4811 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; } }
4812 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4813 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion &&
4814 { check_code cc webp/encode.h "WebPPicture wp; wp.use_argb++" ||
4815 die "ERROR: libwebp too old."; }
4816 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4817 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4818 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4819 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
4820 { check_cpp_condition x265.h "X265_BUILD >= 17" ||
4821 die "ERROR: libx265 version must be >= 17."; }
4822 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4823 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4824 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4825 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4826 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4827 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4828 die "ERROR: openal not found"; } &&
4829 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4830 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4831 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4832 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4833 die "ERROR: opencl not found"; } &&
4834 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4835 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4836 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4837 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
4838 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
4839 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
4840 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
4841 die "ERROR: opengl not found."
4843 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4844 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4845 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4846 die "ERROR: openssl not found"; }
4847 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
4849 if enabled gnutls; then
4850 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4851 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4855 if enabled libdc1394; then
4856 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4857 enable libdc1394_2; } ||
4858 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4859 enable libdc1394_1; } ||
4860 die "ERROR: No version of libdc1394 found "
4863 SDL_CONFIG="${cross_prefix}sdl-config"
4864 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4865 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4866 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4869 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4870 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4871 sdl_libs=$("${SDL_CONFIG}" --libs)
4872 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4873 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4874 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4878 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4880 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4881 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4882 perl -v > /dev/null 2>&1 && enable perl || disable perl
4883 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4884 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4886 check_header linux/fb.h
4887 check_header linux/videodev.h
4888 check_header linux/videodev2.h
4889 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4891 check_header sys/videoio.h
4893 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4894 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4895 # w32api 3.12 had it defined wrong
4896 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4898 check_type "dshow.h" IBaseFilter
4900 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4901 { check_header dev/bktr/ioctl_meteor.h &&
4902 check_header dev/bktr/ioctl_bt848.h; } ||
4903 { check_header machine/ioctl_meteor.h &&
4904 check_header machine/ioctl_bt848.h; } ||
4905 { check_header dev/video/meteor/ioctl_meteor.h &&
4906 check_header dev/video/bktr/ioctl_bt848.h; } ||
4907 check_header dev/ic/bt8xx.h
4909 check_header sndio.h
4910 if check_struct sys/soundcard.h audio_buf_info bytes; then
4911 enable_safe sys/soundcard.h
4913 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4914 #include <sys/soundcard.h>
4918 check_header soundcard.h
4920 enabled_any alsa_indev alsa_outdev &&
4921 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4923 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4924 check_func jack_port_get_latency_range -ljack
4926 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4928 if enabled libcdio; then
4929 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4930 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4931 die "ERROR: libcdio-paranoia not found"
4935 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
4938 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4939 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4940 { enabled xlib || die "ERROR: Xlib not found"; }
4942 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
4944 enabled dxva2api_h &&
4945 check_cc <<EOF && enable dxva2api_cobj
4946 #define _WIN32_WINNT 0x0600
4948 #include <windows.h>
4950 #include <dxva2api.h>
4951 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
4955 check_lib va/va.h vaInitialize -lva ||
4959 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4962 enabled vdpau && enabled xlib &&
4963 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4964 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
4967 # Funny iconv installations are not unusual, so check it after all flags have been set
4968 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4970 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4972 # add some useful compiler flags if supported
4973 check_cflags -Wdeclaration-after-statement
4975 check_cflags -Wdisabled-optimization
4976 check_cflags -Wpointer-arith
4977 check_cflags -Wredundant-decls
4978 check_cflags -Wwrite-strings
4979 check_cflags -Wtype-limits
4980 check_cflags -Wundef
4981 check_cflags -Wmissing-prototypes
4982 check_cflags -Wno-pointer-to-int-cast
4983 check_cflags -Wstrict-prototypes
4984 check_cflags -Wempty-body
4985 enabled extra_warnings && check_cflags -Winline
4987 check_disable_warning(){
4988 warning_flag=-W${1#-Wno-}
4989 test_cflags $warning_flag && add_cflags $1
4992 check_disable_warning -Wno-parentheses
4993 check_disable_warning -Wno-switch
4994 check_disable_warning -Wno-format-zero-length
4995 check_disable_warning -Wno-pointer-sign
4997 # add some linker flags
4998 check_ldflags -Wl,--warn-common
4999 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5000 enabled rpath && add_ldflags -Wl,-rpath,$libdir
5001 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5003 # add some strip flags
5004 # -wN '..@*' is more selective than -x, but not available everywhere.
5005 check_stripflags -wN \'..@*\' || check_stripflags -x
5007 enabled neon_clobber_test &&
5008 check_ldflags -Wl,--wrap,avcodec_open2 \
5009 -Wl,--wrap,avcodec_decode_audio4 \
5010 -Wl,--wrap,avcodec_decode_video2 \
5011 -Wl,--wrap,avcodec_decode_subtitle2 \
5012 -Wl,--wrap,avcodec_encode_audio2 \
5013 -Wl,--wrap,avcodec_encode_video2 \
5014 -Wl,--wrap,avcodec_encode_subtitle \
5015 -Wl,--wrap,swr_convert \
5016 -Wl,--wrap,avresample_convert ||
5017 disable neon_clobber_test
5019 enabled xmm_clobber_test &&
5020 check_ldflags -Wl,--wrap,avcodec_open2 \
5021 -Wl,--wrap,avcodec_decode_audio4 \
5022 -Wl,--wrap,avcodec_decode_video2 \
5023 -Wl,--wrap,avcodec_decode_subtitle2 \
5024 -Wl,--wrap,avcodec_encode_audio2 \
5025 -Wl,--wrap,avcodec_encode_video \
5026 -Wl,--wrap,avcodec_encode_video2 \
5027 -Wl,--wrap,avcodec_encode_subtitle \
5028 -Wl,--wrap,swr_convert \
5029 -Wl,--wrap,avresample_convert \
5030 -Wl,--wrap,sws_scale ||
5031 disable xmm_clobber_test
5034 if test_ldflags -Wl,--version-script,$TMPV; then
5035 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5036 check_cc <<EOF && enable symver_asm_label
5037 void ff_foo(void) __asm__ ("av_foo@VERSION");
5038 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5040 check_cc <<EOF && enable symver_gnu_asm
5041 __asm__(".symver ff_foo,av_foo@VERSION");
5042 void ff_foo(void) {}
5046 if [ -z "$optflags" ]; then
5047 if enabled small; then
5048 optflags=$cflags_size
5049 elif enabled optimizations; then
5050 optflags=$cflags_speed
5052 optflags=$cflags_noopt
5058 enabled lto && check_ldflags "$@"
5062 if enabled lto; then
5063 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5065 check_ldflags -flto $cpuflags
5066 disable inline_asm_direct_symbol_refs
5069 check_optflags $optflags
5070 check_optflags -fno-math-errno
5071 check_optflags -fno-signed-zeros
5073 enabled ftrapv && check_cflags -ftrapv
5075 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5080 if enabled icc; then
5081 # Just warnings, no remarks
5083 # -wd: Disable following warnings
5084 # 144, 167, 556: -Wno-pointer-sign
5085 # 188: enumerated type mixed with another type
5086 # 1292: attribute "foo" ignored
5087 # 1419: external declaration in primary source file
5088 # 10006: ignoring unknown option -fno-signed-zeros
5089 # 10148: ignoring unknown option -Wno-parentheses
5090 # 10156: ignoring option '-W'; no argument required
5091 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
5092 # 11030: Warning unknown option --as-needed
5093 # 10156: ignoring option '-export'; no argument required
5094 check_ldflags -wd10156,11030
5095 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5096 enable ebp_available
5097 # The test above does not test linking
5098 enabled lto && disable symver_asm_label
5099 if enabled x86_32; then
5100 icc_version=$($cc -dumpversion)
5101 test ${icc_version%%.*} -ge 11 &&
5102 check_cflags -falign-stack=maintain-16-byte ||
5103 disable aligned_stack
5105 elif enabled ccc; then
5106 # disable some annoying warnings
5107 add_cflags -msg_disable bitnotint
5108 add_cflags -msg_disable mixfuncvoid
5109 add_cflags -msg_disable nonstandcast
5110 add_cflags -msg_disable unsupieee
5111 elif enabled gcc; then
5112 check_optflags -fno-tree-vectorize
5113 check_cflags -Werror=format-security
5114 check_cflags -Werror=implicit-function-declaration
5115 check_cflags -Werror=missing-prototypes
5116 check_cflags -Werror=return-type
5117 check_cflags -Werror=vla
5118 check_cflags -Wformat
5119 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5120 elif enabled llvm_gcc; then
5121 check_cflags -mllvm -stack-alignment=16
5122 elif enabled clang; then
5123 check_cflags -mllvm -stack-alignment=16
5124 check_cflags -Qunused-arguments
5125 check_cflags -Werror=implicit-function-declaration
5126 check_cflags -Werror=missing-prototypes
5127 check_cflags -Werror=return-type
5128 elif enabled cparser; then
5129 add_cflags -Wno-missing-variable-declarations
5130 add_cflags -Wno-empty-statement
5131 elif enabled armcc; then
5132 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5133 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5134 # 2523: use of inline assembly is deprecated
5135 add_cflags -W${armcc_opt},--diag_suppress=2523
5136 add_cflags -W${armcc_opt},--diag_suppress=1207
5137 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5138 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5139 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5140 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5141 elif enabled tms470; then
5142 add_cflags -pds=824 -pds=837
5144 elif enabled pathscale; then
5145 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5146 elif enabled_any msvc icl; then
5147 enabled x86_32 && disable aligned_stack
5148 enabled_all x86_32 debug && add_cflags -Oy-
5149 enabled debug && add_ldflags -debug
5150 enable pragma_deprecated
5151 if enabled icl; then
5152 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5153 # (correctly) on icl 13.x.
5154 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5155 add_cflags -Qansi-alias
5156 # Some inline asm is not compilable in debug
5157 if enabled debug; then
5158 disable ebp_available
5159 disable ebx_available
5162 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 onwards actually has log2.
5163 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5168 add_asflags -Qunused-arguments
5174 check_ldflags -Qunused-arguments
5180 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5183 add_cppflags -Dmain=plan9_main
5187 enable frame_thread_encoder
5189 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5191 check_deps $CONFIG_LIST \
5196 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"
5199 if test $target_os = "haiku"; then
5201 disable posix_memalign
5204 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5205 prepend ffmpeg_libs $($ldflags_filter "-lole32") &&
5208 ! enabled_any memalign posix_memalign aligned_malloc &&
5209 enabled simd_align_16 && enable memalign_hack
5212 # -> enable ${lib}_deps_${dep}
5213 # -> add $dep to ${lib}_deps only once
5217 enabled "${lib}_deps_${dep}" && return 0
5218 enable "${lib}_deps_${dep}"
5219 prepend "${lib}_deps" $dep
5222 # merge deps lib components
5223 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5228 enabled $comp || continue
5229 eval "dep=\"\$${comp}_deps\""
5236 merge_deps libavfilter $FILTER_LIST
5238 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5240 for thread in $THREADS_LIST; do
5241 if enabled $thread; then
5242 test -n "$thread_type" &&
5243 die "ERROR: Only one thread type must be selected." ||
5244 thread_type="$thread"
5248 enabled zlib && add_cppflags -DZLIB_CONST
5250 # conditional library dependencies, in linking order
5251 enabled aconvert_filter && prepend avfilter_deps "swresample"
5252 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5253 enabled aresample_filter && prepend avfilter_deps "swresample"
5254 enabled asyncts_filter && prepend avfilter_deps "avresample"
5255 enabled atempo_filter && prepend avfilter_deps "avcodec"
5256 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5257 enabled elbg_filter && prepend avfilter_deps "avcodec"
5258 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5259 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5260 enabled mp_filter && prepend avfilter_deps "avcodec"
5261 enabled pan_filter && prepend avfilter_deps "swresample"
5262 enabled pp_filter && prepend avfilter_deps "postproc"
5263 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5264 enabled resample_filter && prepend avfilter_deps "avresample"
5265 enabled sab_filter && prepend avfilter_deps "swscale"
5266 enabled scale_filter && prepend avfilter_deps "swscale"
5267 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5268 enabled smartblur_filter && prepend avfilter_deps "swscale"
5269 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5271 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5273 enabled opus_decoder && prepend avcodec_deps "swresample"
5277 eval "deps=\$$lib_deps"
5278 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5282 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5283 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5285 map 'expand_deps $v' $LIBRARY_LIST
5287 echo "install prefix $prefix"
5288 echo "source path $source_path"
5289 echo "C compiler $cc"
5290 echo "C library $libc_type"
5291 if test "$host_cc" != "$cc"; then
5292 echo "host C compiler $host_cc"
5293 echo "host C library $host_libc_type"
5295 echo "ARCH $arch ($cpu)"
5296 if test "$build_suffix" != ""; then
5297 echo "build suffix $build_suffix"
5299 if test "$progs_suffix" != ""; then
5300 echo "progs suffix $progs_suffix"
5302 if test "$extra_version" != ""; then
5303 echo "version string suffix $extra_version"
5305 echo "big-endian ${bigendian-no}"
5306 echo "runtime cpu detection ${runtime_cpudetect-no}"
5307 if enabled x86; then
5308 echo "${yasmexe} ${yasm-no}"
5309 echo "MMX enabled ${mmx-no}"
5310 echo "MMXEXT enabled ${mmxext-no}"
5311 echo "3DNow! enabled ${amd3dnow-no}"
5312 echo "3DNow! extended enabled ${amd3dnowext-no}"
5313 echo "SSE enabled ${sse-no}"
5314 echo "SSSE3 enabled ${ssse3-no}"
5315 echo "AVX enabled ${avx-no}"
5316 echo "XOP enabled ${xop-no}"
5317 echo "FMA3 enabled ${fma3-no}"
5318 echo "FMA4 enabled ${fma4-no}"
5319 echo "i686 features enabled ${i686-no}"
5320 echo "CMOV is fast ${fast_cmov-no}"
5321 echo "EBX available ${ebx_available-no}"
5322 echo "EBP available ${ebp_available-no}"
5324 if enabled aarch64; then
5325 echo "NEON enabled ${neon-no}"
5326 echo "VFP enabled ${vfp-no}"
5328 if enabled arm; then
5329 echo "ARMv5TE enabled ${armv5te-no}"
5330 echo "ARMv6 enabled ${armv6-no}"
5331 echo "ARMv6T2 enabled ${armv6t2-no}"
5332 echo "VFP enabled ${vfp-no}"
5333 echo "NEON enabled ${neon-no}"
5334 echo "THUMB enabled ${thumb-no}"
5336 if enabled mips; then
5337 echo "MIPS FPU enabled ${mipsfpu-no}"
5338 echo "MIPS32R2 enabled ${mips32r2-no}"
5339 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5340 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5342 if enabled ppc; then
5343 echo "AltiVec enabled ${altivec-no}"
5344 echo "PPC 4xx optimizations ${ppc4xx-no}"
5345 echo "PPC VSX optimizations ${vsx-no}"
5346 echo "dcbzl available ${dcbzl-no}"
5348 echo "debug symbols ${debug-no}"
5349 echo "strip symbols ${stripping-no}"
5350 echo "optimize for size ${small-no}"
5351 echo "optimizations ${optimizations-no}"
5352 echo "static ${static-no}"
5353 echo "shared ${shared-no}"
5354 echo "postprocessing support ${postproc-no}"
5355 echo "new filter support ${avfilter-no}"
5356 echo "network support ${network-no}"
5357 echo "threading support ${thread_type-no}"
5358 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5359 echo "SDL support ${sdl-no}"
5360 echo "opencl enabled ${opencl-no}"
5361 echo "texi2html enabled ${texi2html-no}"
5362 echo "perl enabled ${perl-no}"
5363 echo "pod2man enabled ${pod2man-no}"
5364 echo "makeinfo enabled ${makeinfo-no}"
5365 test -n "$random_seed" &&
5366 echo "random seed ${random_seed}"
5369 echo "External libraries:"
5370 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5373 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5374 echo "Enabled ${type}s:"
5375 eval list=\$$(toupper $type)_LIST
5376 print_enabled '_*' $list | print_3_columns
5380 license="LGPL version 2.1 or later"
5381 if enabled nonfree; then
5382 license="nonfree and unredistributable"
5383 elif enabled gplv3; then
5384 license="GPL version 3 or later"
5385 elif enabled lgplv3; then
5386 license="LGPL version 3 or later"
5387 elif enabled gpl; then
5388 license="GPL version 2 or later"
5391 echo "License: $license"
5393 echo "Creating config.mak, config.h, and doc/config.texi..."
5395 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5397 enabled stripping || strip="echo skipping strip"
5399 config_files="$TMPH config.mak doc/config.texi"
5401 cat > config.mak <<EOF
5402 # Automatically generated by configure - do not modify!
5403 ifndef FFMPEG_CONFIG_MAK
5405 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5407 LIBDIR=\$(DESTDIR)$libdir
5408 SHLIBDIR=\$(DESTDIR)$shlibdir
5409 INCDIR=\$(DESTDIR)$incdir
5410 BINDIR=\$(DESTDIR)$bindir
5411 DATADIR=\$(DESTDIR)$datadir
5412 DOCDIR=\$(DESTDIR)$docdir
5413 MANDIR=\$(DESTDIR)$mandir
5414 SRC_PATH=$source_path
5415 ifndef MAIN_MAKEFILE
5416 SRC_PATH:=\$(SRC_PATH:.%=..%)
5420 INTRINSICS=$intrinsics
5426 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5428 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5457 LDEXEFLAGS=$LDEXEFLAGS
5458 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5459 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5460 YASMFLAGS=$YASMFLAGS
5461 BUILDSUF=$build_suffix
5462 PROGSSUF=$progs_suffix
5470 EXTRA_VERSION=$extra_version
5473 CCDEP_FLAGS=$CCDEP_FLAGS
5475 ASDEP_FLAGS=$ASDEP_FLAGS
5476 CC_DEPFLAGS=$CC_DEPFLAGS
5477 AS_DEPFLAGS=$AS_DEPFLAGS
5480 HOSTCFLAGS=$host_cflags
5481 HOSTCPPFLAGS=$host_cppflags
5482 HOSTEXESUF=$HOSTEXESUF
5483 HOSTLDFLAGS=$host_ldflags
5486 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5487 HOSTCCDEP=$HOSTCCDEP
5488 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5489 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5493 TARGET_EXEC=$target_exec $target_exec_args
5494 TARGET_PATH=$target_path
5495 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5496 CFLAGS-ffplay=$sdl_cflags
5497 ZLIB=$($ldflags_filter -lz)
5498 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5499 EXTRALIBS=$extralibs
5500 COMPAT_OBJS=$compat_objs
5503 LIBTARGET=${LIBTARGET}
5504 SLIBNAME=${SLIBNAME}
5505 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5506 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5507 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5508 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5509 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5510 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5511 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5512 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5513 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5514 NOREDZONE_FLAGS=$noredzone_flags
5519 name=$(toupper $lcname)
5520 file=$source_path/$lcname/version.h
5521 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5522 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5523 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5524 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5525 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5526 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5529 map 'get_version $v' $LIBRARY_LIST
5531 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
5533 print_program_libs(){
5534 eval "program_libs=\$${1}_libs"
5535 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5538 map 'print_program_libs $v' $PROGRAM_LIST
5541 /* Automatically generated by configure - do not modify! */
5542 #ifndef FFMPEG_CONFIG_H
5543 #define FFMPEG_CONFIG_H
5544 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5545 #define FFMPEG_LICENSE "$(c_escape $license)"
5546 #define CONFIG_THIS_YEAR 2014
5547 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5548 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5549 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5550 #define av_restrict $_restrict
5551 #define EXTERN_PREFIX "${extern_prefix}"
5552 #define EXTERN_ASM ${extern_prefix}
5553 #define BUILDSUF "$build_suffix"
5554 #define SLIBSUF "$SLIBSUF"
5555 #define HAVE_MMX2 HAVE_MMXEXT
5556 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
5559 test -n "$assert_level" &&
5560 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5562 test -n "$malloc_prefix" &&
5563 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5565 if enabled yasm; then
5566 append config_files $TMPASM
5570 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5574 echo "@c auto-generated by configure" > doc/config.texi
5576 print_config ARCH_ "$config_files" $ARCH_LIST
5577 print_config HAVE_ "$config_files" $HAVE_LIST
5578 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5582 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5583 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5585 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5586 cp_if_changed $TMPH config.h
5589 enabled yasm && cp_if_changed $TMPASM config.asm
5592 /* Generated by ffconf */
5593 #ifndef AVUTIL_AVCONFIG_H
5594 #define AVUTIL_AVCONFIG_H
5597 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5599 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5601 cp_if_changed $TMPH libavutil/avconfig.h
5603 if test -n "$WARNINGS"; then
5604 printf "\n$WARNINGS"
5605 enabled fatal_warnings && exit 1
5608 # build pkg-config files
5611 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
5614 pkgconfig_generate(){
5616 shortname=${name#lib}${build_suffix}
5620 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
5621 requires=${requires%, }
5622 enabled ${name#lib} || return 0
5624 cat <<EOF > $name/$name${build_suffix}.pc
5626 exec_prefix=\${prefix}
5631 Description: $comment
5633 Requires: $(enabled shared || echo $requires)
5634 Requires.private: $(enabled shared && echo $requires)
5636 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5637 Libs.private: $(enabled shared && echo $libs)
5638 Cflags: -I\${includedir}
5641 mkdir -p doc/examples/pc-uninstalled
5642 includedir=${source_path}
5643 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5644 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5647 libdir=\${pcfiledir}/../../../$name
5648 includedir=${includedir}
5651 Description: $comment
5655 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5656 Cflags: -I\${includedir}
5660 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5661 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
5662 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
5663 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
5664 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
5665 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
5666 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
5667 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
5668 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"