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 [LIBDIR]
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
92 use rpath when linking programs [USE WITH CARE]
95 --enable-gpl allow use of GPL code, the resulting libs
96 and binaries will be under GPL [no]
97 --enable-version3 upgrade (L)GPL to version 3 [no]
98 --enable-nonfree allow use of nonfree code, the resulting libs
99 and binaries will be unredistributable [no]
101 Configuration options:
102 --disable-static do not build static libraries [no]
103 --enable-shared build shared libraries [no]
104 --enable-small optimize for size instead of speed
105 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
106 --enable-gray enable full grayscale support (slower color)
107 --disable-swscale-alpha disable alpha channel support in swscale
108 --disable-all disable building components, libraries and programs
109 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
110 --enable-raise-major increase major version numbers in sonames [no]
113 --disable-programs do not build command line programs
114 --disable-ffmpeg disable ffmpeg build
115 --disable-ffplay disable ffplay build
116 --disable-ffprobe disable ffprobe build
117 --disable-ffserver disable ffserver build
119 Documentation options:
120 --disable-doc do not build documentation
121 --disable-htmlpages do not build HTML documentation pages
122 --disable-manpages do not build man documentation pages
123 --disable-podpages do not build POD documentation pages
124 --disable-txtpages do not build text documentation pages
127 --disable-avdevice disable libavdevice build
128 --disable-avcodec disable libavcodec build
129 --disable-avformat disable libavformat build
130 --disable-avutil disable libavutil build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build [no]
136 --disable-pthreads disable pthreads [autodetect]
137 --disable-w32threads disable Win32 threads [autodetect]
138 --disable-os2threads disable OS/2 threads [autodetect]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
148 --disable-faan disable floating point AAN (I)DCT code
149 --disable-pixelutils disable pixel utils in libavutil
151 Hardware accelerators:
152 --disable-dxva2 disable DXVA2 code [autodetect]
153 --disable-vaapi disable VAAPI code [autodetect]
154 --disable-vda disable VDA code [autodetect]
155 --disable-vdpau disable VDPAU code [autodetect]
157 Individual component options:
158 --disable-everything disable all components listed below
159 --disable-encoder=NAME disable encoder NAME
160 --enable-encoder=NAME enable encoder NAME
161 --disable-encoders disable all encoders
162 --disable-decoder=NAME disable decoder NAME
163 --enable-decoder=NAME enable decoder NAME
164 --disable-decoders disable all decoders
165 --disable-hwaccel=NAME disable hwaccel NAME
166 --enable-hwaccel=NAME enable hwaccel NAME
167 --disable-hwaccels disable all hwaccels
168 --disable-muxer=NAME disable muxer NAME
169 --enable-muxer=NAME enable muxer NAME
170 --disable-muxers disable all muxers
171 --disable-demuxer=NAME disable demuxer NAME
172 --enable-demuxer=NAME enable demuxer NAME
173 --disable-demuxers disable all demuxers
174 --enable-parser=NAME enable parser NAME
175 --disable-parser=NAME disable parser NAME
176 --disable-parsers disable all parsers
177 --enable-bsf=NAME enable bitstream filter NAME
178 --disable-bsf=NAME disable bitstream filter NAME
179 --disable-bsfs disable all bitstream filters
180 --enable-protocol=NAME enable protocol NAME
181 --disable-protocol=NAME disable protocol NAME
182 --disable-protocols disable all protocols
183 --enable-indev=NAME enable input device NAME
184 --disable-indev=NAME disable input device NAME
185 --disable-indevs disable input devices
186 --enable-outdev=NAME enable output device NAME
187 --disable-outdev=NAME disable output device NAME
188 --disable-outdevs disable output devices
189 --disable-devices disable all devices
190 --enable-filter=NAME enable filter NAME
191 --disable-filter=NAME disable filter NAME
192 --disable-filters disable all filters
194 External library support:
195 --enable-avisynth enable reading of AviSynth script files [no]
196 --disable-bzlib disable bzlib [autodetect]
197 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
198 --enable-frei0r enable frei0r video filtering [no]
199 --enable-gnutls enable gnutls, needed for https support
200 if openssl is not used [no]
201 --disable-iconv disable iconv [autodetect]
202 --enable-ladspa enable LADSPA audio filtering [no]
203 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
204 --enable-libass enable libass subtitles rendering,
205 needed for subtitles and ass filter [no]
206 --enable-libbluray enable BluRay reading using libbluray [no]
207 --enable-libbs2b enable bs2b DSP library [no]
208 --enable-libcaca enable textual display using libcaca [no]
209 --enable-libcelt enable CELT decoding via libcelt [no]
210 --enable-libcdio enable audio CD grabbing with libcdio [no]
211 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
213 --enable-libdcadec enable DCA decoding via libdcadec [no]
214 --enable-libfaac enable AAC encoding via libfaac [no]
215 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
216 --enable-libflite enable flite (voice synthesis) support via libflite [no]
217 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
218 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
219 --enable-libgme enable Game Music Emu via libgme [no]
220 --enable-libgsm enable GSM de/encoding via libgsm [no]
221 --enable-libiec61883 enable iec61883 via libiec61883 [no]
222 --enable-libilbc enable iLBC de/encoding via libilbc [no]
223 --enable-libmfx enable HW acceleration through libmfx
224 --enable-libmodplug enable ModPlug via libmodplug [no]
225 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
226 --enable-libnut enable NUT (de)muxing via libnut,
227 native (de)muxer exists [no]
228 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
229 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
230 --enable-libopencv enable video filtering via libopencv [no]
231 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
232 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
233 --enable-libopus enable Opus de/encoding via libopus [no]
234 --enable-libpulse enable Pulseaudio input via libpulse [no]
235 --enable-libquvi enable quvi input via libquvi [no]
236 --enable-librtmp enable RTMP[E] support via librtmp [no]
237 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
238 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
239 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
240 --enable-libsoxr enable Include libsoxr resampling [no]
241 --enable-libspeex enable Speex de/encoding via libspeex [no]
242 --enable-libssh enable SFTP protocol via libssh [no]
243 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
244 --enable-libtheora enable Theora encoding via libtheora [no]
245 --enable-libtwolame enable MP2 encoding via libtwolame [no]
246 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
247 --enable-libv4l2 enable libv4l2/v4l-utils [no]
248 --enable-libvidstab enable video stabilization using vid.stab [no]
249 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
250 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
251 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
252 native implementation exists [no]
253 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
254 --enable-libwavpack enable wavpack encoding via libwavpack [no]
255 --enable-libwebp enable WebP encoding via libwebp [no]
256 --enable-libx264 enable H.264 encoding via x264 [no]
257 --enable-libx265 enable HEVC encoding via x265 [no]
258 --enable-libxavs enable AVS encoding via xavs [no]
259 --enable-libxcb enable X11 grabbing using XCB [autodetect]
260 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
261 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
262 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
263 --enable-libxvid enable Xvid encoding via xvidcore,
264 native MPEG-4/Xvid encoder exists [no]
265 --enable-libzmq enable message passing via libzmq [no]
266 --enable-libzvbi enable teletext support via libzvbi [no]
267 --disable-lzma disable lzma [autodetect]
268 --enable-decklink enable Blackmagick DeckLink I/O support [no]
269 --enable-mmal enable decoding via MMAL [no]
270 --enable-nvenc enable NVIDIA NVENC support [no]
271 --enable-openal enable OpenAL 1.1 capture support [no]
272 --enable-opencl enable OpenCL code
273 --enable-opengl enable OpenGL rendering [no]
274 --enable-openssl enable openssl, needed for https support
275 if gnutls is not used [no]
276 --disable-sdl disable sdl [autodetect]
277 --enable-x11grab enable X11 grabbing (legacy) [no]
278 --disable-xlib disable xlib [autodetect]
279 --disable-zlib disable zlib [autodetect]
282 --arch=ARCH select architecture [$arch]
283 --cpu=CPU select the minimum required CPU (affects
284 instruction selection, may crash on older CPUs)
285 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
286 --progs-suffix=SUFFIX program name suffix []
287 --enable-cross-compile assume a cross-compiler is used
288 --sysroot=PATH root of cross-build tree
289 --sysinclude=PATH location of cross-build system headers
290 --target-os=OS compiler targets OS [$target_os]
291 --target-exec=CMD command to run executables on target
292 --target-path=DIR path to view of build directory on target
293 --target-samples=DIR path to samples directory on target
294 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
295 --toolchain=NAME set tool defaults according to NAME
296 --nm=NM use nm tool NM [$nm_default]
297 --ar=AR use archive tool AR [$ar_default]
298 --as=AS use assembler AS [$as_default]
299 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
300 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
301 --cc=CC use C compiler CC [$cc_default]
302 --cxx=CXX use C compiler CXX [$cxx_default]
303 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
304 --ld=LD use linker LD [$ld_default]
305 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
306 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
307 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
308 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
309 --host-cc=HOSTCC use host C compiler HOSTCC
310 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
311 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
312 --host-ld=HOSTLD use host linker HOSTLD
313 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
314 --host-libs=HLIBS use libs HLIBS when linking for host
315 --host-os=OS compiler host OS [$target_os]
316 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
317 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
318 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
319 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
320 --extra-libs=ELIBS add ELIBS [$ELIBS]
321 --extra-version=STRING version string suffix []
322 --optflags=OPTFLAGS override optimization-related compiler flags
323 --build-suffix=SUFFIX library name suffix []
324 --enable-pic build position-independent code
325 --enable-thumb compile for Thumb instruction set
326 --enable-lto use link-time optimization
328 Advanced options (experts only):
329 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
330 --disable-symver disable symbol versioning
331 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
332 --disable-safe-bitstream-reader
333 disable buffer boundary checking in bitreaders
334 (faster, but may crash)
335 --enable-memalign-hack emulate memalign, interferes with memory debuggers
336 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
338 Optimization options (experts only):
339 --disable-asm disable all assembly optimizations
340 --disable-altivec disable AltiVec optimizations
341 --disable-amd3dnow disable 3DNow! optimizations
342 --disable-amd3dnowext disable 3DNow! extended optimizations
343 --disable-mmx disable MMX optimizations
344 --disable-mmxext disable MMXEXT optimizations
345 --disable-sse disable SSE optimizations
346 --disable-sse2 disable SSE2 optimizations
347 --disable-sse3 disable SSE3 optimizations
348 --disable-ssse3 disable SSSE3 optimizations
349 --disable-sse4 disable SSE4 optimizations
350 --disable-sse42 disable SSE4.2 optimizations
351 --disable-avx disable AVX optimizations
352 --disable-xop disable XOP optimizations
353 --disable-fma3 disable FMA3 optimizations
354 --disable-fma4 disable FMA4 optimizations
355 --disable-avx2 disable AVX2 optimizations
356 --disable-armv5te disable armv5te optimizations
357 --disable-armv6 disable armv6 optimizations
358 --disable-armv6t2 disable armv6t2 optimizations
359 --disable-vfp disable VFP optimizations
360 --disable-neon disable NEON optimizations
361 --disable-inline-asm disable use of inline assembly
362 --disable-yasm disable use of nasm/yasm assembly
363 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
364 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
365 --disable-mipsfpu disable floating point MIPS optimizations
366 --disable-fast-unaligned consider unaligned accesses slow
368 Developer options (useful when working on FFmpeg itself):
369 --disable-debug disable debugging symbols
370 --enable-debug=LEVEL set the debug level [$debuglevel]
371 --disable-optimizations disable compiler optimizations
372 --enable-extra-warnings enable more compiler warnings
373 --disable-stripping disable stripping of executables and shared libraries
374 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
375 2 causes a slowdown at runtime.
376 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
377 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
378 leaks and errors, using the specified valgrind binary.
379 Cannot be combined with --target-exec
380 --enable-ftrapv Trap arithmetic overflows
381 --samples=PATH location of test samples for FATE, if not set use
382 \$FATE_SAMPLES at make invocation time.
383 --enable-neon-clobber-test check NEON registers for clobbering (should be
384 used only for debugging purposes)
385 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
386 should be used only for debugging purposes)
387 --enable-random randomly enable/disable components
389 --enable-random=LIST randomly enable/disable specific components or
390 --disable-random=LIST component groups. LIST is a comma-separated list
391 of NAME[:PROB] entries where NAME is a component
392 (group) and PROB the probability associated with
394 --random-seed=VALUE seed value for --enable/disable-random
396 NOTE: Object files are built at the place where configure is launched.
404 echo "$@" >> $logfile
409 pr -n -t $1 >> $logfile
420 WARNINGS="${WARNINGS}WARNING: $*\n"
427 If you think configure made a mistake, make sure you are using the latest
428 version from Git. If the latest version fails, report the problem to the
429 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
431 if disabled logging; then
433 Rerun configure with logging enabled (do not use --disable-logging), and
434 include the log this produces with your report.
438 Include the log file "$logfile" produced by configure as this will help
445 # Avoid locale weirdness, besides we really just want to translate ASCII.
447 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
451 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
455 echo "$*" | sed 's/["\\]/\\\0/g'
459 v=$(echo "$1" | sed "s/'/'\\\\''/g")
460 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
465 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g'
472 eval "case $v in $pat) echo $v ;; esac"
480 eval "case $v in $pat) ;; *) echo $v ;; esac"
487 for v; do eval $m; done
493 for v; do echo ${v}${suffix}; done
508 eval : \${$var:=$value}
513 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
519 eval $(sanitize_var_name "$var")='$*'
523 eval echo \$$(sanitize_var_name "$1")
528 eval level=\${${pvar}_level:=0}
529 eval ${pvar}_${level}="\$$pvar"
530 eval ${pvar}_level=$(($level+1))
536 eval level=\${${pvar}_level:-0}
537 test $level = 0 && continue
538 eval level=$(($level-1))
539 eval $pvar="\${${pvar}_${level}}"
540 eval ${pvar}_level=$level
541 eval unset ${pvar}_${level}
563 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
569 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
575 enabled $var && continue
576 eval sel="\$${var}_select"
577 eval sgs="\$${var}_suggest"
581 enable_deep_weak $sgs
593 disabled $var && continue
602 test "${1#!}" = "$1" && op== || op=!=
603 eval test "x\$${1#!}" $op "xyes"
607 test "${1#!}" = "$1" && op== || op=!=
608 eval test "x\$${1#!}" $op "xno"
613 enabled $opt || return 1
619 disabled $opt || return 1
625 enabled $opt && return 0
631 disabled $opt && return 0
638 eval : \${$opt:=\$${opt}_default}
646 [ $var = $value ] && return 0
654 enabled ${cfg}_checking && die "Circular dependency for $cfg."
655 disabled ${cfg}_checking && continue
656 enable ${cfg}_checking
659 eval dep_all="\$${cfg}_deps"
660 eval dep_any="\$${cfg}_deps_any"
661 eval dep_sel="\$${cfg}_select"
662 eval dep_sgs="\$${cfg}_suggest"
663 eval dep_ifa="\$${cfg}_if"
664 eval dep_ifn="\$${cfg}_if_any"
666 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
667 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
668 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
670 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
671 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
672 enabled_all $dep_all || disable $cfg
673 enabled_any $dep_any || disable $cfg
674 disabled_any $dep_sel && disable $cfg
676 if enabled $cfg; then
678 enable_deep_weak $dep_sgs
681 disable ${cfg}_checking
690 for cfg in $allopts; do
691 enabled $cfg || continue
692 eval dep_extralibs="\$${cfg}_extralibs"
693 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
701 map 'eval echo "$v \${$v:-no}"' "$@" |
702 awk "BEGIN { split(\"$files\", files) }
704 c = \"$pfx\" toupper(\$1);
710 if (file ~ /\\.h\$/) {
711 printf(\"#define %s %d\\n\", c, v) >>file;
712 } else if (file ~ /\\.asm\$/) {
713 printf(\"%%define %s %d\\n\", c, v) >>file;
714 } else if (file ~ /\\.mak\$/) {
715 n = -v ? \"\" : \"!\";
716 printf(\"%s%s=yes\\n\", n, c) >>file;
717 } else if (file ~ /\\.texi\$/) {
718 pre = -v ? \"\" : \"@c \";
721 gsub(/_/, \"-\", c2);
722 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
732 enabled $v && printf "%s\n" ${v%$suf};
739 eval "$var=\"\$$var $*\""
745 eval "$var=\"$* \$$var\""
751 for tok in $(eval echo \$$var); do
752 uniq_list="$(filter_out $tok $uniq_list) $tok"
754 eval "$var=\"${uniq_list}\""
762 append CFLAGS $($cflags_filter "$@")
766 append CXXFLAGS $($cflags_filter "$@")
770 append ASFLAGS $($asflags_filter "$@")
774 append LDFLAGS $($ldflags_filter "$@")
778 append LDEXEFLAGS $($ldflags_filter "$@")
782 append ASMSTRIPFLAGS "$@"
786 prepend extralibs $($ldflags_filter "$@")
790 append host_cppflags "$@"
794 append host_cflags $($host_cflags_filter "$@")
798 append host_ldflags $($host_ldflags_filter "$@")
802 append compat_objs $1
804 map 'add_cppflags -D$v' "$@"
809 "$@" >> $logfile 2>&1
814 stat "$1" >> $logfile 2>&1
818 eval printf '%s\\n' $CC_O
822 eval printf '%s\\n' $CC_E
829 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
836 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
843 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
850 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
854 eval printf '%s\\n' $AS_O
861 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
865 log check_inline_asm "$@"
870 check_cc "$@" <<EOF && enable $name
871 void foo(void){ __asm__ volatile($code); }
877 check_inline_asm ${1}_inline "\"$2\""
878 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
886 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
890 eval printf '%s\\n' $LD_O
897 flags=$(filter_out '-l*|*.so' $@)
898 libs=$(filter '-l*|*.so' $@)
899 check_$type $($cflags_filter $flags) || return
900 flags=$($ldflags_filter $flags)
901 libs=$($ldflags_filter $libs)
902 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
907 test "${hdr%.h}" = "${hdr}" &&
908 echo "#include $hdr" ||
909 echo "#include <$hdr>"
919 for hdr in $headers; do
922 echo "int main(void) { $code; return 0; }"
923 } | check_$check "$@"
927 log check_cppflags "$@"
928 check_cc "$@" <<EOF && append CPPFLAGS "$@"
935 set -- $($cflags_filter "$@")
942 log check_cflags "$@"
943 test_cflags "$@" && add_cflags "$@"
947 log check_cxxflags "$@"
948 set -- $($cflags_filter "$@")
949 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
955 log test_ldflags "$@"
956 check_ld "cc" "$@" <<EOF
957 int main(void){ return 0; }
962 log check_ldflags "$@"
963 test_ldflags "$@" && add_ldflags "$@"
967 log test_stripflags "$@"
968 # call check_cc to get a fresh TMPO
970 int main(void) { return 0; }
972 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
976 log check_stripflags "$@"
977 test_stripflags "$@" && add_stripflags "$@"
981 log check_header "$@"
985 check_cpp "$@" <<EOF && enable_safe $header
992 log check_header_oc "$@"
998 echo "#include <$header>"
999 echo "int main(void) { return 0; }"
1000 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1008 check_ld "cc" "$@" <<EOF && enable $func
1010 int main(void){ $func(); }
1015 log check_mathfunc "$@"
1019 test $narg = 2 && args="f, g" || args="f"
1021 check_ld "cc" "$@" <<EOF && enable $func
1023 float foo(float f, float g) { return $func($args); }
1024 int main(void){ return (int) foo; }
1028 check_func_headers(){
1029 log check_func_headers "$@"
1034 for hdr in $headers; do
1037 for func in $funcs; do
1038 echo "long check_$func(void) { return (long) $func; }"
1040 echo "int main(void) { return 0; }"
1041 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1044 check_class_headers_cpp(){
1045 log check_class_headers_cpp "$@"
1050 for hdr in $headers; do
1051 echo "#include <$hdr>"
1053 echo "int main(void) { "
1055 for class in $classes; do
1056 echo "$class obj$i;"
1060 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1063 check_cpp_condition(){
1064 log check_cpp_condition "$@"
1068 check_cpp "$@" <<EOF
1071 #error "unsatisfied condition: $condition"
1081 check_header $header && check_func $func "$@" && add_extralibs "$@"
1089 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1093 log check_lib_cpp "$@"
1097 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1101 log check_pkg_config "$@"
1107 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1108 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1109 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1110 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1111 set_safe ${pkg}_cflags $pkg_cflags &&
1112 set_safe ${pkg}_libs $pkg_libs
1116 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1122 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1123 # are safe but may not be available everywhere. Thus we use
1124 # raise(SIGTERM) instead. The check is run in a subshell so we
1125 # can redirect the "Terminated" message from the shell. SIGBUS
1126 # is not defined by standard C so it is used conditionally.
1128 (check_exec "$@") >> $logfile 2>&1 <<EOF
1130 static void sighandler(int sig){
1136 int (*func_ptr)(void) = foo;
1138 signal(SIGILL, sighandler);
1139 signal(SIGFPE, sighandler);
1140 signal(SIGSEGV, sighandler);
1142 signal(SIGBUS, sighandler);
1154 disable_safe "$type"
1155 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1159 log check_struct "$@"
1164 disable_safe "${struct}_${member}"
1165 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1166 enable_safe "${struct}_${member}"
1170 log check_builtin "$@"
1176 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1179 check_compile_assert(){
1180 log check_compile_assert "$@"
1186 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1194 check_lib $header $func "$@" || die "ERROR: $name not found"
1202 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1210 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1215 check_pkg_config "$@" || return 1
1216 add_cflags $(get_safe ${pkg}_cflags)
1217 add_extralibs $(get_safe ${pkg}_libs)
1220 require_pkg_config(){
1221 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1224 require_libfreetype(){
1225 log require_libfreetype "$@"
1227 check_cmd $pkg_config --exists --print-errors $pkg \
1228 || die "ERROR: $pkg not found"
1229 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1230 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1232 echo "#include <ft2build.h>"
1233 echo "#include FT_FREETYPE_H"
1234 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1235 echo "int main(void) { return 0; }"
1236 } | check_ld "cc" $pkg_cflags $pkg_libs \
1237 && set_safe ${pkg}_cflags $pkg_cflags \
1238 && set_safe ${pkg}_libs $pkg_libs \
1239 || die "ERROR: $pkg not found"
1240 add_cflags $(get_safe ${pkg}_cflags)
1241 add_extralibs $(get_safe ${pkg}_libs)
1245 eval printf '%s\\n' $HOSTCC_E
1249 eval printf '%s\\n' $HOSTCC_O
1253 log check_host_cc "$@"
1256 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1260 log check_host_cpp "$@"
1263 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1266 check_host_cppflags(){
1267 log check_host_cppflags "$@"
1268 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1273 check_host_cflags(){
1274 log check_host_cflags "$@"
1275 set -- $($host_cflags_filter "$@")
1276 check_host_cc "$@" <<EOF && append host_cflags "$@"
1281 check_host_cpp_condition(){
1282 log check_host_cpp_condition "$@"
1286 check_host_cpp "$@" <<EOF
1289 #error "unsatisfied condition: $condition"
1297 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1301 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1302 mkdir -p "$(dirname $2)"
1306 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1307 # system-dependent things.
1324 avio_reading_example
1325 avio_list_dir_example
1326 decoding_encoding_example
1327 demuxing_decoding_example
1329 filter_audio_example
1330 filtering_audio_example
1331 filtering_video_example
1336 resampling_audio_example
1337 scaling_video_example
1338 transcode_aac_example
1342 EXTERNAL_LIBRARY_LIST="
1437 safe_bitstream_reader
1496 $EXTERNAL_LIBRARY_LIST
1504 incompatible_libav_abi
1565 ARCH_EXT_LIST_MIPS="
1572 ARCH_EXT_LIST_X86_SIMD="
1599 $ARCH_EXT_LIST_X86_SIMD
1625 atomic_compare_exchange
1631 sync_val_compare_and_swap
1642 incompatible_libav_abi
1651 cdio_paranoia_paranoia_h
1652 dev_bktr_ioctl_bt848_h
1653 dev_bktr_ioctl_meteor_h
1655 dev_video_bktr_ioctl_bt848_h
1656 dev_video_meteor_ioctl_meteor_h
1664 machine_ioctl_bt848_h
1665 machine_ioctl_meteor_h
1667 openjpeg_1_5_openjpeg_h
1734 GetProcessAffinityMask
1735 GetProcessMemoryInfo
1739 GetSystemTimeAsFileTime
1746 jack_port_get_latency_range
1761 SetConsoleTextAttribute
1773 TOOLCHAIN_FEATURES="
1786 inline_asm_nonlocal_labels
1787 inline_asm_direct_symbol_refs
1798 CONDITION_VARIABLE_Ptr
1802 struct_group_source_req
1803 struct_ip_mreq_source
1806 struct_rusage_ru_maxrss
1807 struct_sctp_event_subscribe
1809 struct_sockaddr_sa_len
1810 struct_sockaddr_storage
1811 struct_stat_st_mtim_tv_nsec
1812 struct_v4l2_frmivalenum_discrete
1817 $(add_suffix _external $ARCH_EXT_LIST)
1818 $(add_suffix _inline $ARCH_EXT_LIST)
1851 # options emitted with CONFIG_ prefix but not available on the command line
1866 frame_thread_encoder
1992 # code dependency declarations
1994 # architecture extensions
1999 armv8_deps="aarch64"
2000 neon_deps_any="aarch64 arm"
2001 intrinsics_neon_deps="neon"
2002 vfp_deps_any="aarch64 arm"
2006 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2009 mipsdspr1_deps="mips"
2010 mipsdspr2_deps="mips"
2017 x86_64_select="i686"
2018 x86_64_suggest="fast_cmov"
2021 amd3dnowext_deps="amd3dnow"
2037 mmx_external_deps="yasm"
2038 mmx_inline_deps="inline_asm"
2039 mmx_suggest="mmx_external mmx_inline"
2041 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2042 eval dep=\$${ext}_deps
2043 eval ${ext}_external_deps='"${dep}_external"'
2044 eval ${ext}_inline_deps='"${dep}_inline"'
2045 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2048 aligned_stack_if_any="aarch64 ppc x86"
2049 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2050 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2051 fast_unaligned_if_any="aarch64 ppc x86"
2052 simd_align_16_if_any="altivec neon sse"
2054 # system capabilities
2056 symver_if_any="symver_asm_label symver_gnu_asm"
2059 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2060 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2061 atomics_win32_if="MemoryBarrier"
2062 atomics_native_if_any="$ATOMICS_LIST"
2063 w32threads_deps="atomics_native"
2064 threads_if_any="$THREADS_LIST"
2068 error_resilience_select="me_cmp"
2069 faandct_deps="faan fdctdsp"
2070 faanidct_deps="faan idctdsp"
2071 frame_thread_encoder_deps="encoders threads"
2072 intrax8_select="error_resilience"
2075 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2076 mpeg_er_select="error_resilience"
2077 mpegaudio_select="mpegaudiodsp"
2078 mpegaudiodsp_select="dct"
2079 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"
2080 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2084 # decoders / encoders
2085 aac_decoder_select="imdct15 mdct sinewin"
2086 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
2087 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2088 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2089 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2090 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2091 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2092 aic_decoder_select="golomb idctdsp"
2093 alac_encoder_select="lpc"
2094 als_decoder_select="bswapdsp"
2095 amrnb_decoder_select="lsp"
2096 amrwb_decoder_select="lsp"
2097 amv_decoder_select="sp5x_decoder exif"
2098 amv_encoder_select="aandcttables mpegvideoenc"
2099 ape_decoder_select="bswapdsp llauddsp"
2100 apng_decoder_select="zlib"
2101 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2102 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2103 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2104 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2105 atrac1_decoder_select="mdct sinewin"
2106 atrac3_decoder_select="mdct"
2107 atrac3p_decoder_select="mdct sinewin"
2108 avrn_decoder_select="exif"
2109 bink_decoder_select="blockdsp hpeldsp"
2110 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2111 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2112 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2113 cllc_decoder_select="bswapdsp"
2114 comfortnoise_encoder_select="lpc"
2115 cook_decoder_select="audiodsp mdct sinewin"
2116 cscd_decoder_select="lzo"
2117 cscd_decoder_suggest="zlib"
2118 dca_decoder_select="fmtconvert mdct"
2119 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2120 dnxhd_decoder_select="blockdsp idctdsp"
2121 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2122 dvvideo_decoder_select="dvprofile idctdsp"
2123 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2124 dxa_decoder_select="zlib"
2125 eac3_decoder_select="ac3_decoder"
2126 eac3_encoder_select="ac3_encoder"
2127 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2128 eatgq_decoder_select="aandcttables"
2129 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2130 exr_decoder_select="zlib"
2131 ffv1_decoder_select="golomb rangecoder"
2132 ffv1_encoder_select="rangecoder"
2133 ffvhuff_decoder_select="huffyuv_decoder"
2134 ffvhuff_encoder_select="huffyuv_encoder"
2135 fic_decoder_select="golomb"
2136 flac_decoder_select="golomb"
2137 flac_encoder_select="bswapdsp golomb lpc"
2138 flashsv_decoder_select="zlib"
2139 flashsv_encoder_select="zlib"
2140 flashsv2_encoder_select="zlib"
2141 flashsv2_decoder_select="zlib"
2142 flv_decoder_select="h263_decoder"
2143 flv_encoder_select="h263_encoder"
2144 fourxm_decoder_select="blockdsp bswapdsp"
2145 fraps_decoder_select="bswapdsp huffman"
2146 g2m_decoder_select="blockdsp idctdsp zlib"
2147 g729_decoder_select="audiodsp"
2148 h261_decoder_select="mpeg_er mpegvideo"
2149 h261_encoder_select="aandcttables mpegvideoenc"
2150 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2151 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2152 h263i_decoder_select="h263_decoder"
2153 h263p_encoder_select="h263_encoder"
2154 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2155 h264_decoder_suggest="error_resilience"
2156 h264_qsv_decoder_deps="libmfx"
2157 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2158 h264_qsv_encoder_deps="libmfx"
2159 h264_qsv_encoder_select="qsvenc"
2160 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2161 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2162 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2163 iac_decoder_select="imc_decoder"
2164 imc_decoder_select="bswapdsp fft mdct sinewin"
2165 indeo3_decoder_select="hpeldsp"
2166 interplay_video_decoder_select="hpeldsp"
2167 jpegls_decoder_select="golomb mjpeg_decoder"
2168 jpegls_encoder_select="golomb"
2169 jv_decoder_select="blockdsp"
2170 lagarith_decoder_select="huffyuvdsp"
2171 ljpeg_encoder_select="aandcttables idctdsp"
2172 loco_decoder_select="golomb"
2173 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2174 metasound_decoder_select="lsp mdct sinewin"
2175 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2176 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp"
2177 mjpeg_encoder_select="aandcttables mpegvideoenc"
2178 mjpegb_decoder_select="mjpeg_decoder"
2179 mlp_decoder_select="mlp_parser"
2180 motionpixels_decoder_select="bswapdsp"
2181 mp1_decoder_select="mpegaudio"
2182 mp1float_decoder_select="mpegaudio"
2183 mp2_decoder_select="mpegaudio"
2184 mp2float_decoder_select="mpegaudio"
2185 mp3_decoder_select="mpegaudio"
2186 mp3adu_decoder_select="mpegaudio"
2187 mp3adufloat_decoder_select="mpegaudio"
2188 mp3float_decoder_select="mpegaudio"
2189 mp3on4_decoder_select="mpegaudio"
2190 mp3on4float_decoder_select="mpegaudio"
2191 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2192 mpc8_decoder_select="mpegaudiodsp"
2193 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2194 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2195 mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"
2196 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2197 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2198 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2199 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2200 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2201 mpeg4_encoder_select="h263_encoder"
2202 msmpeg4v1_decoder_select="h263_decoder"
2203 msmpeg4v2_decoder_select="h263_decoder"
2204 msmpeg4v2_encoder_select="h263_encoder"
2205 msmpeg4v3_decoder_select="h263_decoder"
2206 msmpeg4v3_encoder_select="h263_encoder"
2207 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2208 mxpeg_decoder_select="mjpeg_decoder"
2209 nellymoser_decoder_select="mdct sinewin"
2210 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2211 nuv_decoder_select="idctdsp lzo"
2212 on2avc_decoder_select="mdct"
2213 opus_decoder_deps="swresample"
2214 opus_decoder_select="imdct15"
2215 png_decoder_select="zlib"
2216 png_encoder_select="huffyuvencdsp zlib"
2217 prores_decoder_select="blockdsp idctdsp"
2218 prores_encoder_select="fdctdsp"
2219 qcelp_decoder_select="lsp"
2220 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2221 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2222 ra_144_decoder_select="audiodsp"
2223 ralf_decoder_select="golomb"
2224 rawvideo_decoder_select="bswapdsp"
2225 rtjpeg_decoder_select="me_cmp"
2226 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2227 rv10_encoder_select="h263_encoder"
2228 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2229 rv20_encoder_select="h263_encoder"
2230 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2231 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2232 shorten_decoder_select="golomb"
2233 sipr_decoder_select="lsp"
2234 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2235 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2236 sonic_decoder_select="golomb rangecoder"
2237 sonic_encoder_select="golomb rangecoder"
2238 sonic_ls_encoder_select="golomb rangecoder"
2239 sp5x_decoder_select="mjpeg_decoder"
2240 svq1_decoder_select="hpeldsp"
2241 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2242 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2243 svq3_decoder_suggest="zlib"
2244 tak_decoder_select="audiodsp"
2245 tdsc_decoder_select="zlib mjpeg_decoder"
2246 theora_decoder_select="vp3_decoder"
2247 thp_decoder_select="mjpeg_decoder"
2248 tiff_decoder_suggest="zlib lzma"
2249 tiff_encoder_suggest="zlib"
2250 truehd_decoder_select="mlp_parser"
2251 truemotion2_decoder_select="bswapdsp"
2252 truespeech_decoder_select="bswapdsp"
2253 tscc_decoder_select="zlib"
2254 twinvq_decoder_select="mdct lsp sinewin"
2255 utvideo_decoder_select="bswapdsp"
2256 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2257 vble_decoder_select="huffyuvdsp"
2258 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2259 vc1image_decoder_select="vc1_decoder"
2260 vorbis_decoder_select="mdct"
2261 vorbis_encoder_select="mdct"
2262 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2263 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2264 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2265 vp6a_decoder_select="vp6_decoder"
2266 vp6f_decoder_select="vp6_decoder"
2267 vp7_decoder_select="h264pred videodsp"
2268 vp8_decoder_select="h264pred videodsp"
2269 vp9_decoder_select="videodsp vp9_parser"
2270 webp_decoder_select="vp8_decoder"
2271 wmalossless_decoder_select="llauddsp"
2272 wmapro_decoder_select="mdct sinewin wma_freqs"
2273 wmav1_decoder_select="mdct sinewin wma_freqs"
2274 wmav1_encoder_select="mdct sinewin wma_freqs"
2275 wmav2_decoder_select="mdct sinewin wma_freqs"
2276 wmav2_encoder_select="mdct sinewin wma_freqs"
2277 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2278 wmv1_decoder_select="h263_decoder"
2279 wmv1_encoder_select="h263_encoder"
2280 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
2281 wmv2_encoder_select="h263_encoder"
2282 wmv3_decoder_select="vc1_decoder"
2283 wmv3image_decoder_select="wmv3_decoder"
2284 zerocodec_decoder_select="zlib"
2285 zlib_decoder_select="zlib"
2286 zlib_encoder_select="zlib"
2287 zmbv_decoder_select="zlib"
2288 zmbv_encoder_select="zlib"
2290 # hardware accelerators
2291 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2292 dxva2_deps="dxva2api_h"
2293 vaapi_deps="va_va_h"
2294 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2295 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2296 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2297 xvmc_deps="X11_extensions_XvMClib_h"
2299 h263_vaapi_hwaccel_deps="vaapi"
2300 h263_vaapi_hwaccel_select="h263_decoder"
2301 h263_vdpau_hwaccel_deps="vdpau"
2302 h263_vdpau_hwaccel_select="h263_decoder"
2303 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2304 h264_dxva2_hwaccel_deps="dxva2"
2305 h264_dxva2_hwaccel_select="h264_decoder"
2306 h264_mmal_decoder_deps="mmal"
2307 h264_mmal_hwaccel_deps="mmal"
2308 h264_mmal_decoder_select="h264_decoder"
2309 h264_mmal_encoder_deps="mmal"
2310 h264_qsv_hwaccel_deps="libmfx"
2311 h264_vaapi_hwaccel_deps="vaapi"
2312 h264_vaapi_hwaccel_select="h264_decoder"
2313 h264_vda_decoder_deps="vda"
2314 h264_vda_decoder_select="h264_decoder"
2315 h264_vda_hwaccel_deps="vda"
2316 h264_vda_hwaccel_select="h264_decoder"
2317 h264_vda_old_hwaccel_deps="vda"
2318 h264_vda_old_hwaccel_select="h264_decoder"
2319 h264_vdpau_decoder_deps="vdpau"
2320 h264_vdpau_decoder_select="h264_decoder"
2321 h264_vdpau_hwaccel_deps="vdpau"
2322 h264_vdpau_hwaccel_select="h264_decoder"
2323 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2324 hevc_dxva2_hwaccel_select="hevc_decoder"
2325 mpeg_vdpau_decoder_deps="vdpau"
2326 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2327 mpeg_xvmc_hwaccel_deps="xvmc"
2328 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2329 mpeg1_vdpau_decoder_deps="vdpau"
2330 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2331 mpeg1_vdpau_hwaccel_deps="vdpau"
2332 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2333 mpeg1_xvmc_hwaccel_deps="xvmc"
2334 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2335 mpeg2_crystalhd_decoder_select="crystalhd"
2336 mpeg2_dxva2_hwaccel_deps="dxva2"
2337 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2338 mpeg2_vaapi_hwaccel_deps="vaapi"
2339 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2340 mpeg2_vdpau_hwaccel_deps="vdpau"
2341 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2342 mpeg2_xvmc_hwaccel_deps="xvmc"
2343 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2344 mpeg4_crystalhd_decoder_select="crystalhd"
2345 mpeg4_vaapi_hwaccel_deps="vaapi"
2346 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2347 mpeg4_vdpau_decoder_deps="vdpau"
2348 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2349 mpeg4_vdpau_hwaccel_deps="vdpau"
2350 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2351 msmpeg4_crystalhd_decoder_select="crystalhd"
2352 vc1_crystalhd_decoder_select="crystalhd"
2353 vc1_dxva2_hwaccel_deps="dxva2"
2354 vc1_dxva2_hwaccel_select="vc1_decoder"
2355 vc1_vaapi_hwaccel_deps="vaapi"
2356 vc1_vaapi_hwaccel_select="vc1_decoder"
2357 vc1_vdpau_decoder_deps="vdpau"
2358 vc1_vdpau_decoder_select="vc1_decoder"
2359 vc1_vdpau_hwaccel_deps="vdpau"
2360 vc1_vdpau_hwaccel_select="vc1_decoder"
2361 wmv3_crystalhd_decoder_select="crystalhd"
2362 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2363 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2364 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2365 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2368 h264_parser_select="h264_decoder"
2369 hevc_parser_select="hevc_decoder"
2370 mpegvideo_parser_select="mpegvideo"
2371 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2372 vc1_parser_select="mpegvideo startcode vc1_decoder"
2374 # external libraries
2375 libaacplus_encoder_deps="libaacplus"
2376 libcelt_decoder_deps="libcelt"
2377 libdcadec_decoder_deps="libdcadec"
2378 libfaac_encoder_deps="libfaac"
2379 libfaac_encoder_select="audio_frame_queue"
2380 libfdk_aac_decoder_deps="libfdk_aac"
2381 libfdk_aac_encoder_deps="libfdk_aac"
2382 libfdk_aac_encoder_select="audio_frame_queue"
2383 libgme_demuxer_deps="libgme"
2384 libgsm_decoder_deps="libgsm"
2385 libgsm_encoder_deps="libgsm"
2386 libgsm_ms_decoder_deps="libgsm"
2387 libgsm_ms_encoder_deps="libgsm"
2388 libilbc_decoder_deps="libilbc"
2389 libilbc_encoder_deps="libilbc"
2390 libmodplug_demuxer_deps="libmodplug"
2391 libmp3lame_encoder_deps="libmp3lame"
2392 libmp3lame_encoder_select="audio_frame_queue"
2393 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2394 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2395 libopencore_amrnb_encoder_select="audio_frame_queue"
2396 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2397 libopenh264_encoder_deps="libopenh264"
2398 libopenjpeg_decoder_deps="libopenjpeg"
2399 libopenjpeg_encoder_deps="libopenjpeg"
2400 libopus_decoder_deps="libopus"
2401 libopus_encoder_deps="libopus"
2402 libopus_encoder_select="audio_frame_queue"
2403 libquvi_demuxer_deps="libquvi"
2404 libschroedinger_decoder_deps="libschroedinger"
2405 libschroedinger_encoder_deps="libschroedinger"
2406 libshine_encoder_deps="libshine"
2407 libshine_encoder_select="audio_frame_queue"
2408 libspeex_decoder_deps="libspeex"
2409 libspeex_encoder_deps="libspeex"
2410 libspeex_encoder_select="audio_frame_queue"
2411 libstagefright_h264_decoder_deps="libstagefright_h264"
2412 libtheora_encoder_deps="libtheora"
2413 libtwolame_encoder_deps="libtwolame"
2414 libvo_aacenc_encoder_deps="libvo_aacenc"
2415 libvo_aacenc_encoder_select="audio_frame_queue"
2416 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2417 libvorbis_decoder_deps="libvorbis"
2418 libvorbis_encoder_deps="libvorbis"
2419 libvorbis_encoder_select="audio_frame_queue"
2420 libvpx_vp8_decoder_deps="libvpx"
2421 libvpx_vp8_encoder_deps="libvpx"
2422 libvpx_vp9_decoder_deps="libvpx"
2423 libvpx_vp9_encoder_deps="libvpx"
2424 libwavpack_encoder_deps="libwavpack"
2425 libwebp_encoder_deps="libwebp"
2426 libx264_encoder_deps="libx264"
2427 libx264rgb_encoder_deps="libx264"
2428 libx264rgb_encoder_select="libx264_encoder"
2429 libx265_encoder_deps="libx265"
2430 libxavs_encoder_deps="libxavs"
2431 libxvid_encoder_deps="libxvid"
2432 libutvideo_decoder_deps="libutvideo"
2433 libutvideo_encoder_deps="libutvideo"
2434 libzvbi_teletext_decoder_deps="libzvbi"
2435 nvenc_encoder_deps="nvenc"
2436 nvenc_h265_encoder_deps="nvenc"
2439 ac3_demuxer_select="ac3_parser"
2440 asf_demuxer_select="riffdec"
2441 asf_muxer_select="riffenc"
2442 asf_stream_muxer_select="asf_muxer"
2443 avi_demuxer_select="riffdec exif"
2444 avi_muxer_select="riffenc"
2445 avisynth_demuxer_deps="avisynth"
2446 avisynth_demuxer_select="riffdec"
2447 caf_demuxer_select="riffdec"
2448 dash_muxer_select="mp4_muxer"
2449 dirac_demuxer_select="dirac_parser"
2450 dts_demuxer_select="dca_parser"
2451 dtshd_demuxer_select="dca_parser"
2452 dv_demuxer_select="dvprofile"
2453 dv_muxer_select="dvprofile"
2454 dxa_demuxer_select="riffdec"
2455 eac3_demuxer_select="ac3_parser"
2456 f4v_muxer_select="mov_muxer"
2457 flac_demuxer_select="flac_parser"
2458 hds_muxer_select="flv_muxer"
2459 hls_muxer_select="mpegts_muxer"
2460 image2_alias_pix_demuxer_select="image2_demuxer"
2461 image2_brender_pix_demuxer_select="image2_demuxer"
2462 ipod_muxer_select="mov_muxer"
2463 ismv_muxer_select="mov_muxer"
2464 libnut_demuxer_deps="libnut"
2465 libnut_muxer_deps="libnut"
2466 matroska_audio_muxer_select="matroska_muxer"
2467 matroska_demuxer_select="riffdec"
2468 matroska_demuxer_suggest="bzlib lzo zlib"
2469 matroska_muxer_select="riffenc"
2470 mmf_muxer_select="riffenc"
2471 mov_demuxer_select="riffdec"
2472 mov_demuxer_suggest="zlib"
2473 mov_muxer_select="riffenc rtpenc_chain"
2474 mp3_demuxer_select="mpegaudio_parser"
2475 mp4_muxer_select="mov_muxer"
2476 mpegts_muxer_select="adts_muxer latm_muxer"
2477 mpegtsraw_demuxer_select="mpegts_demuxer"
2478 mxf_d10_muxer_select="mxf_muxer"
2479 mxf_opatom_muxer_select="mxf_muxer"
2480 nut_muxer_select="riffenc"
2481 nuv_demuxer_select="riffdec"
2482 oga_muxer_select="ogg_muxer"
2483 ogg_demuxer_select="golomb"
2484 opus_muxer_select="ogg_muxer"
2485 psp_muxer_select="mov_muxer"
2486 rtp_demuxer_select="sdp_demuxer"
2487 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2488 rtsp_demuxer_select="http_protocol rtpdec"
2489 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2490 sap_demuxer_select="sdp_demuxer"
2491 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2492 sdp_demuxer_select="rtpdec"
2493 smoothstreaming_muxer_select="ismv_muxer"
2494 spdif_muxer_select="aac_parser"
2495 spx_muxer_select="ogg_muxer"
2496 tak_demuxer_select="tak_parser"
2497 tg2_muxer_select="mov_muxer"
2498 tgp_muxer_select="mov_muxer"
2499 vobsub_demuxer_select="mpegps_demuxer"
2500 w64_demuxer_select="wav_demuxer"
2501 w64_muxer_select="wav_muxer"
2502 wav_demuxer_select="riffdec"
2503 wav_muxer_select="riffenc"
2504 webm_muxer_select="riffenc"
2505 wtv_demuxer_select="riffdec"
2506 wtv_muxer_select="riffenc"
2507 xmv_demuxer_select="riffdec"
2508 xwma_demuxer_select="riffdec"
2511 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2512 alsa_outdev_deps="alsa_asoundlib_h"
2513 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2514 avfoundation_indev_select="avfoundation"
2515 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2516 caca_outdev_deps="libcaca"
2517 decklink_outdev_deps="decklink pthreads"
2518 decklink_outdev_extralibs="-lstdc++"
2519 decklink_indev_deps="decklink pthreads"
2520 decklink_indev_extralibs="-lstdc++"
2521 dshow_indev_deps="IBaseFilter"
2522 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32"
2523 dv1394_indev_deps="dv1394"
2524 dv1394_indev_select="dv_demuxer"
2525 fbdev_indev_deps="linux_fb_h"
2526 fbdev_outdev_deps="linux_fb_h"
2527 gdigrab_indev_deps="CreateDIBSection"
2528 gdigrab_indev_extralibs="-lgdi32"
2529 gdigrab_indev_select="bmp_decoder"
2530 iec61883_indev_deps="libiec61883"
2531 jack_indev_deps="jack_jack_h sem_timedwait"
2532 lavfi_indev_deps="avfilter"
2533 libcdio_indev_deps="libcdio"
2534 libdc1394_indev_deps="libdc1394"
2535 libv4l2_indev_deps="libv4l2"
2536 openal_indev_deps="openal"
2537 opengl_outdev_deps="opengl"
2538 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2539 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2540 pulse_indev_deps="libpulse"
2541 pulse_outdev_deps="libpulse"
2542 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2543 qtkit_indev_select="qtkit"
2544 sdl_outdev_deps="sdl"
2545 sndio_indev_deps="sndio_h"
2546 sndio_outdev_deps="sndio_h"
2547 v4l_indev_deps="linux_videodev_h"
2548 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2549 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2550 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2551 vfwcap_indev_extralibs="-lavicap32"
2552 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2553 xv_outdev_extralibs="-lXv -lX11 -lXext"
2554 x11grab_indev_deps="x11grab"
2555 x11grab_xcb_indev_deps="libxcb"
2558 bluray_protocol_deps="libbluray"
2559 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2560 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2561 ffrtmpcrypt_protocol_select="tcp_protocol"
2562 ffrtmphttp_protocol_deps="!librtmp_protocol"
2563 ffrtmphttp_protocol_select="http_protocol"
2564 ftp_protocol_select="tcp_protocol"
2565 gopher_protocol_select="network"
2566 http_protocol_select="tcp_protocol"
2567 httpproxy_protocol_select="tcp_protocol"
2568 https_protocol_select="tls_protocol"
2569 icecast_protocol_select="http_protocol"
2570 librtmp_protocol_deps="librtmp"
2571 librtmpe_protocol_deps="librtmp"
2572 librtmps_protocol_deps="librtmp"
2573 librtmpt_protocol_deps="librtmp"
2574 librtmpte_protocol_deps="librtmp"
2575 libsmbclient_protocol_deps="libsmbclient gplv3"
2576 libssh_protocol_deps="libssh"
2577 mmsh_protocol_select="http_protocol"
2578 mmst_protocol_select="network"
2579 rtmp_protocol_deps="!librtmp_protocol"
2580 rtmp_protocol_select="tcp_protocol"
2581 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2582 rtmps_protocol_deps="!librtmp_protocol"
2583 rtmps_protocol_select="tls_protocol"
2584 rtmpt_protocol_select="ffrtmphttp_protocol"
2585 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2586 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2587 rtp_protocol_select="udp_protocol"
2588 sctp_protocol_deps="struct_sctp_event_subscribe"
2589 sctp_protocol_select="network"
2590 srtp_protocol_select="rtp_protocol"
2591 tcp_protocol_select="network"
2592 tls_protocol_deps_any="openssl gnutls"
2593 tls_protocol_select="tcp_protocol"
2594 udp_protocol_select="network"
2595 udplite_protocol_select="network"
2596 unix_protocol_deps="sys_un_h"
2597 unix_protocol_select="network"
2600 amovie_filter_deps="avcodec avformat"
2601 aresample_filter_deps="swresample"
2602 ass_filter_deps="libass"
2603 asyncts_filter_deps="avresample"
2604 atempo_filter_deps="avcodec"
2605 atempo_filter_select="rdft"
2606 azmq_filter_deps="libzmq"
2607 blackframe_filter_deps="gpl"
2608 boxblur_filter_deps="gpl"
2609 bs2b_filter_deps="libbs2b"
2610 colormatrix_filter_deps="gpl"
2611 cropdetect_filter_deps="gpl"
2612 delogo_filter_deps="gpl"
2613 deshake_filter_select="pixelutils"
2614 drawtext_filter_deps="libfreetype"
2615 ebur128_filter_deps="gpl"
2616 eq_filter_deps="gpl"
2617 fftfilt_filter_deps="avcodec"
2618 fftfilt_filter_select="rdft"
2619 flite_filter_deps="libflite"
2620 frei0r_filter_deps="frei0r dlopen"
2621 frei0r_src_filter_deps="frei0r dlopen"
2622 fspp_filter_deps="gpl"
2623 geq_filter_deps="gpl"
2624 histeq_filter_deps="gpl"
2625 hqdn3d_filter_deps="gpl"
2626 interlace_filter_deps="gpl"
2627 kerndeint_filter_deps="gpl"
2628 ladspa_filter_deps="ladspa dlopen"
2629 mcdeint_filter_deps="avcodec gpl"
2630 movie_filter_deps="avcodec avformat"
2631 mpdecimate_filter_deps="gpl"
2632 mpdecimate_filter_select="pixelutils"
2633 mptestsrc_filter_deps="gpl"
2634 negate_filter_deps="lut_filter"
2635 perspective_filter_deps="gpl"
2636 pp7_filter_deps="gpl"
2637 ocv_filter_deps="libopencv"
2638 owdenoise_filter_deps="gpl"
2639 pan_filter_deps="swresample"
2640 phase_filter_deps="gpl"
2641 pp_filter_deps="gpl postproc"
2642 pullup_filter_deps="gpl"
2643 removelogo_filter_deps="avcodec avformat swscale"
2644 repeatfields_filter_deps="gpl"
2645 resample_filter_deps="avresample"
2646 sab_filter_deps="gpl swscale"
2647 scale_filter_deps="swscale"
2648 select_filter_select="pixelutils"
2649 smartblur_filter_deps="gpl swscale"
2650 showspectrum_filter_deps="avcodec"
2651 showspectrum_filter_select="rdft"
2652 spp_filter_deps="gpl avcodec"
2653 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2654 stereo3d_filter_deps="gpl"
2655 subtitles_filter_deps="avformat avcodec libass"
2656 super2xsai_filter_deps="gpl"
2657 tinterlace_filter_deps="gpl"
2658 vidstabdetect_filter_deps="libvidstab"
2659 vidstabtransform_filter_deps="libvidstab"
2660 pixfmts_super2xsai_test_deps="super2xsai_filter"
2661 tinterlace_merge_test_deps="tinterlace_filter"
2662 tinterlace_pad_test_deps="tinterlace_filter"
2663 uspp_filter_deps="gpl avcodec"
2664 zmq_filter_deps="libzmq"
2665 zoompan_filter_deps="swscale"
2668 avio_reading="avformat avcodec avutil"
2669 avio_list_dir="avformat avutil"
2670 avcodec_example_deps="avcodec avutil"
2671 decoding_encoding_example_deps="avcodec avformat avutil"
2672 demuxing_decoding_example_deps="avcodec avformat avutil"
2673 extract_mvs_example_deps="avcodec avformat avutil"
2674 filter_audio_example_deps="avfilter avutil"
2675 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2676 filtering_video_example_deps="avfilter avcodec avformat avutil"
2677 metadata_example_deps="avformat avutil"
2678 muxing_example_deps="avcodec avformat avutil swscale"
2679 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2680 remuxing_example_deps="avcodec avformat avutil"
2681 resampling_audio_example_deps="avutil swresample"
2682 scaling_video_example_deps="avutil swscale"
2683 transcode_aac_example_deps="avcodec avformat swresample"
2684 transcoding_example_deps="avfilter avcodec avformat avutil"
2686 # libraries, in linking order
2687 avcodec_deps="avutil"
2688 avdevice_deps="avformat avcodec avutil"
2689 avfilter_deps="avutil"
2690 avformat_deps="avcodec avutil"
2691 avresample_deps="avutil"
2692 postproc_deps="avutil gpl"
2693 swresample_deps="avutil"
2694 swscale_deps="avutil"
2697 ffmpeg_deps="avcodec avfilter avformat swresample"
2698 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2700 setpts_filter trim_filter"
2701 ffplay_deps="avcodec avformat swscale swresample sdl"
2702 ffplay_libs='$sdl_libs'
2703 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2704 ffprobe_deps="avcodec avformat"
2705 ffserver_deps="avformat fork sarestart"
2706 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2709 podpages_deps="perl"
2710 manpages_deps="perl pod2man"
2711 htmlpages_deps="perl"
2712 htmlpages_deps_any="makeinfo_html texi2html"
2713 txtpages_deps="perl makeinfo"
2714 doc_deps_any="manpages htmlpages podpages txtpages"
2716 # default parameters
2718 logfile="config.log"
2720 # installation paths
2721 prefix_default="/usr/local"
2722 bindir_default='${prefix}/bin'
2723 datadir_default='${prefix}/share/ffmpeg'
2724 docdir_default='${prefix}/share/doc/ffmpeg'
2725 incdir_default='${prefix}/include'
2726 libdir_default='${prefix}/lib'
2727 mandir_default='${prefix}/share/man'
2733 host_cc_default="gcc"
2735 doxygen_default="doxygen"
2740 pkg_config_default=pkg-config
2741 if ranlib 2>&1 | grep -q "\-D "; then
2742 ranlib_default="ranlib -D"
2744 ranlib_default="ranlib"
2746 strip_default="strip"
2747 yasmexe_default="yasm"
2748 windres_default="windres"
2751 target_os_default=$(tolower $(uname -s))
2752 host_os=$target_os_default
2755 if test "$target_os_default" = aix; then
2756 arch_default=$(uname -p)
2757 strip_default="strip -X32_64"
2759 arch_default=$(uname -m)
2764 # configurable options
2765 enable $PROGRAM_LIST
2766 enable $DOCUMENT_LIST
2767 enable $EXAMPLE_LIST
2768 enable $(filter_out avresample $LIBRARY_LIST)
2774 enable faan faandct faanidct
2775 enable optimizations
2776 enable runtime_cpudetect
2777 enable safe_bitstream_reader
2779 enable swscale_alpha
2781 sws_max_filter_size_default=256
2782 set_default sws_max_filter_size
2784 # Enable hwaccels by default.
2785 enable dxva2 vaapi vda vdpau xvmc
2789 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2792 FULLNAME='$(NAME)$(BUILDSUF)'
2793 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2796 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2797 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2798 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2799 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2800 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2801 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2823 host_cflags_filter=echo
2824 host_ldflags_filter=echo
2826 target_path='$(CURDIR)'
2828 # since the object filename is not given with the -MM flag, the compiler
2829 # is only able to print the basename, and we must add the path ourselves
2830 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2834 if test -f configure; then
2837 source_path=$(cd $(dirname "$0"); pwd)
2838 echo "$source_path" | grep -q '[[:blank:]]' &&
2839 die "Out of tree builds are impossible with whitespace in source path."
2840 test -e "$source_path/config.h" &&
2841 die "Out of tree builds are impossible with config.h in source dir."
2848 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2854 file=$source_path/$3
2855 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2858 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2859 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2860 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2861 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2862 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2863 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2864 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2865 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2866 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2867 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2868 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2884 for n in $COMPONENT_LIST; do
2885 v=$(toupper ${n%s})_LIST
2887 eval ${n}_if_any="\$$v"
2890 enable $ARCH_EXT_LIST
2893 echo "Unknown option \"$1\"."
2894 echo "See $0 --help for available options."
2899 cat | tr ' ' '\n' | sort | pr -r -3 -t
2905 echo $* | sed s/$suffix//g | print_3_columns
2917 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2918 echo "prob ${prob:-0.5}"
2926 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2927 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2936 --extra-ldexeflags=*)
2937 add_ldexeflags $optval
2940 add_extralibs $optval
2943 disable $INDEV_LIST $OUTDEV_LIST
2946 debuglevel="$optval"
2949 disable $PROGRAM_LIST
2951 --disable-everything)
2952 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2955 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2956 disable $LIBRARY_LIST $PROGRAM_LIST doc
2958 --enable-random|--disable-random)
2959 action=${opt%%-random}
2960 do_random ${action#--} $COMPONENT_LIST
2962 --enable-random=*|--disable-random=*)
2963 action=${opt%%-random=*}
2964 do_random ${action#--} $optval
2966 --enable-*=*|--disable-*=*)
2967 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2968 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2969 eval list=\$$(toupper $thing)_LIST
2970 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2971 list=$(filter "$name" $list)
2972 [ "$list" = "" ] && warn "Option $opt did not match anything"
2975 --enable-?*|--disable-?*)
2976 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2977 if is_in $option $COMPONENT_LIST; then
2978 test $action = disable && action=unset
2979 eval $action \$$(toupper ${option%s})_LIST
2980 elif is_in $option $CMDLINE_SELECT; then
2987 NAME="${opt#--list-}"
2988 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2990 eval show_list $NAME \$$(toupper $NAME)_LIST
2992 --help|-h) show_help
2994 --fatal-warnings) enable fatal_warnings
2997 optname="${opt%%=*}"
2998 optname="${optname#--}"
2999 optname=$(echo "$optname" | sed 's/-/_/g')
3000 if is_in $optname $CMDLINE_SET; then
3001 eval $optname='$optval'
3002 elif is_in $optname $CMDLINE_APPEND; then
3003 append $optname "$optval"
3011 disabled logging && logfile=/dev/null
3013 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3016 test -n "$valgrind" && toolchain="valgrind-memcheck"
3018 case "$toolchain" in
3021 add_cflags -fsanitize=address
3022 add_ldflags -fsanitize=address
3026 add_cflags -fsanitize=thread -pie
3027 add_ldflags -fsanitize=thread -pie
3031 add_cflags -fsanitize=undefined
3032 add_ldflags -fsanitize=undefined
3036 add_cflags -fsanitize=address
3037 add_ldflags -fsanitize=address
3041 add_cflags -fsanitize=thread -pie -fPIC
3042 add_ldflags -fsanitize=thread -pie -fPIC
3046 add_cflags -fsanitize=undefined
3047 add_ldflags -fsanitize=undefined
3050 target_exec_default=${valgrind:-"valgrind"}
3051 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"
3054 target_exec_default=${valgrind:-"valgrind"}
3055 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3058 # Check whether the current MSVC version needs the C99 converter.
3059 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3060 # support enough of C99 to build ffmpeg. Default to the new
3061 # behaviour if the regexp was unable to match anything, since this
3062 # successfully parses the version number of existing supported
3063 # versions that require the converter (MSVC 2010 and 2012).
3064 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3065 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3068 cc_default="c99wrap cl"
3071 nm_default="dumpbin -symbols"
3073 target_os_default="win32"
3074 # Use a relative path for TMPDIR. This makes sure all the
3075 # ffconf temp files are written with a relative path, avoiding
3076 # issues with msys/win32 path conversion for MSVC parameters
3077 # such as -Fo<file> or -out:<file>.
3083 nm_default="dumpbin -symbols"
3085 target_os_default="win32"
3089 add_cflags -fprofile-arcs -ftest-coverage
3090 add_ldflags -fprofile-arcs -ftest-coverage
3093 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3094 add_cflags -fno-strict-overflow -fstack-protector-all
3095 add_ldflags -Wl,-z,relro -Wl,-z,now
3098 die "Unknown toolchain $toolchain"
3102 test -n "$cross_prefix" && enable cross_compile
3104 if enabled cross_compile; then
3105 test -n "$arch" && test -n "$target_os" ||
3106 die "Must specify target arch and OS when cross-compiling"
3109 ar_default="${cross_prefix}${ar_default}"
3110 cc_default="${cross_prefix}${cc_default}"
3111 cxx_default="${cross_prefix}${cxx_default}"
3112 nm_default="${cross_prefix}${nm_default}"
3113 pkg_config_default="${cross_prefix}${pkg_config_default}"
3114 ranlib_default="${cross_prefix}${ranlib_default}"
3115 strip_default="${cross_prefix}${strip_default}"
3116 windres_default="${cross_prefix}${windres_default}"
3118 sysinclude_default="${sysroot}/usr/include"
3120 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3121 target_exec target_os yasmexe
3122 enabled cross_compile || host_cc_default=$cc
3125 pkg_config_fail_message=""
3126 if ! $pkg_config --version >/dev/null 2>&1; then
3127 warn "$pkg_config not found, library detection may fail."
3129 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3130 pkg_config_fail_message="
3131 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3134 if test $doxygen != $doxygen_default && \
3135 ! $doxygen --version >/dev/null 2>&1; then
3136 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3141 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3145 EXESUF=$(exesuf $target_os)
3146 HOSTEXESUF=$(exesuf $host_os)
3148 # set temporary file name
3149 : ${TMPDIR:=$TEMPDIR}
3153 if [ -n "$tempprefix" ] ; then
3155 echo $tempprefix.${HOSTNAME}.${UID}
3157 elif ! check_cmd mktemp -u XXXXXX; then
3158 # simple replacement for missing mktemp
3159 # NOT SAFE FOR GENERAL USE
3161 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3166 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3167 (set -C; exec > $tmp) 2>/dev/null ||
3168 die "Unable to create temporary file in $TMPDIR."
3169 append TMPFILES $tmp
3173 trap 'rm -f -- $TMPFILES' EXIT
3178 tmpfile TMPE $EXESUF
3190 # make sure we can execute files in $TMPDIR
3191 cat > $TMPSH 2>> $logfile <<EOF
3194 chmod +x $TMPSH >> $logfile 2>&1
3195 if ! $TMPSH >> $logfile 2>&1; then
3197 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3198 variable to another directory and make sure that it is not mounted noexec.
3200 die "Sanity test failed."
3206 # Filter out MSVC cl.exe options from cflags that shouldn't
3207 # be passed to gas-preprocessor
3217 -std=c99) echo -c99 ;;
3218 -mcpu=*) echo -arch ${flag#*=} ;;
3219 -mieee) echo -ieee ;;
3220 -O*|-fast) echo $flag ;;
3221 -fno-math-errno) echo -assume nomath_errno ;;
3223 -Wall) echo -msg_enable level2 ;;
3224 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3225 -Wl,*) echo $flag ;;
3235 -Wno-switch) echo -Wno-switch-enum ;;
3236 -Wno-format-zero-length) ;;
3237 -Wdisabled-optimization) ;;
3238 -Wno-pointer-sign) echo -Wno-other ;;
3244 msvc_common_flags(){
3247 # In addition to specifying certain flags under the compiler
3248 # specific filters, they must be specified here as well or else the
3249 # generic catch all at the bottom will print the original flag.
3253 -fomit-frame-pointer) ;;
3257 -fno-signed-zeros) ;;
3261 -lz) echo zlib.lib ;;
3262 -lavifil32) echo vfw32.lib ;;
3263 -lavicap32) echo vfw32.lib user32.lib ;;
3264 -l*) echo ${flag#-l}.lib ;;
3265 -L*) echo -libpath:${flag#-L} ;;
3272 msvc_common_flags "$@"
3275 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3276 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3277 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3279 -wd4273 -wd4554 -wd4701 ;;
3285 msvc_common_flags "$@"
3288 # Despite what Intel's documentation says -Wall, which is supported
3289 # on Windows, does enable remarks so disable them here.
3290 -Wall) echo $flag -Qdiag-disable:remark ;;
3291 -std=c99) echo -Qstd=c99 ;;
3309 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3310 -fomit-frame-pointer) echo -Mnoframe ;;
3321 case "${flag#*=}" in
3322 native) echo -xtarget=native ;;
3323 v9|niagara) echo -xarch=sparc ;;
3324 ultrasparc) echo -xarch=sparcvis ;;
3325 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3326 i586|pentium) echo -xchip=pentium ;;
3327 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3328 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3329 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3330 pentium4*) echo -xtarget=pentium4 ;;
3331 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3332 *-sse3) echo -xarch=sse3 ;;
3333 core2) echo -xarch=ssse3 -xchip=core2 ;;
3334 bonnell) echo -xarch=ssse3 ;;
3335 corei7|nehalem) echo -xtarget=nehalem ;;
3336 westmere) echo -xtarget=westmere ;;
3337 silvermont) echo -xarch=sse4_2 ;;
3338 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3339 core-avx*|ivybridge|haswell|broadwell)
3341 amdfam10|barcelona) echo -xtarget=barcelona ;;
3342 btver1) echo -xarch=amdsse4a ;;
3343 btver2|bdver*) echo -xarch=avx ;;
3344 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3345 k8|opteron|athlon64|athlon-fx)
3346 echo -xarch=sse2a ;;
3347 athlon*) echo -xarch=pentium_proa ;;
3350 -std=c99) echo -xc99 ;;
3351 -fomit-frame-pointer) echo -xregs=frameptr ;;
3352 -fPIC) echo -KPIC -xcode=pic32 ;;
3353 -W*,*) echo $flag ;;
3354 -f*-*|-W*|-mimpure-text) ;;
3365 case "${flag#*=}" in
3366 armv7-a|cortex-a*) echo -mv=7a8 ;;
3367 armv7-r|cortex-r*) echo -mv=7r4 ;;
3368 armv7-m|cortex-m*) echo -mv=7m3 ;;
3369 armv6*|arm11*) echo -mv=6 ;;
3370 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3372 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3375 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3376 -mfpu=vfp) echo --float_support=vfpv2 ;;
3377 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3378 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3379 -msoft-float) echo --float_support=vfplib ;;
3380 -O[0-3]|-mf=*) echo $flag ;;
3382 -pds=*) echo $flag ;;
3383 -D*|-I*) echo $flag ;;
3384 --gcc|--abi=*) echo $flag ;;
3394 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3395 unset _ld_o _ldflags _ld_lib _ld_path
3396 unset _depflags _DEPCMD _DEPFLAGS
3399 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3400 true # no-op to avoid reading stdin in following checks
3401 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3403 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3404 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3405 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3408 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3410 gcc_version=$($_cc --version | head -n1)
3411 gcc_basever=$($_cc -dumpversion)
3412 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3413 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3414 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3415 if ! $_cc -dumpversion | grep -q '^2\.'; then
3416 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3420 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3422 _ident=$($_cc --version | head -n1)
3427 _flags_filter=icc_flags
3428 elif $_cc -v 2>&1 | grep -q xlc; then
3430 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3432 _cflags_size='-O5 -qcompact'
3433 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3435 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3437 _cflags_speed='-fast'
3439 _flags_filter=ccc_flags
3440 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3441 test -d "$sysroot" || die "No valid sysroot specified."
3443 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3444 armcc_conf="$PWD/armcc.conf"
3445 $_cc --arm_linux_configure \
3446 --arm_linux_config_file="$armcc_conf" \
3447 --configure_sysroot="$sysroot" \
3448 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3449 die "Error creating armcc configuration file."
3450 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3451 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3452 as_default="${cross_prefix}gcc"
3456 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3458 _ident=$($_cc -version | head -n1 | tr -s ' ')
3459 _flags='--gcc --abi=eabi -me'
3462 _depflags='-ppa -ppd=$(@:.o=.d)'
3463 _cflags_speed='-O3 -mf=5'
3464 _cflags_size='-O3 -mf=2'
3465 _flags_filter=tms470_flags
3466 elif $_cc -v 2>&1 | grep -q clang; then
3468 _ident=$($_cc --version | head -n1)
3469 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3472 elif $_cc -V 2>&1 | grep -q Sun; then
3474 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3475 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3476 _DEPFLAGS='-xM1 -xc99'
3479 _cflags_size='-O5 -xspace'
3480 _flags_filter=suncc_flags
3481 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3483 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3484 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3487 _flags_filter='filter_out -Wdisabled-optimization'
3488 elif $_cc -v 2>&1 | grep -q Open64; then
3490 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3491 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3494 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3495 elif $_cc -V 2>&1 | grep -q Portland; then
3497 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3498 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3499 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3500 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3502 _flags_filter=pgi_flags
3503 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3505 _ident=$($_cc | head -n1)
3506 # 4509: "This form of conditional instruction is deprecated"
3507 _flags="-nologo -ignore 4509"
3508 _flags_filter=armasm_flags
3509 elif $_cc 2>&1 | grep -q Intel; then
3511 _ident=$($cc 2>&1 | head -n1)
3512 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3513 # Not only is O3 broken on 13.x+ but it is slower on all previous
3514 # versions (tested) as well.
3516 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3517 if $_cc 2>&1 | grep -q Linker; then
3524 _flags_filter=icl_flags
3526 _ld_path='-libpath:'
3527 # -Qdiag-error to make icl error when seeing certain unknown arguments
3528 _flags='-nologo -Qdiag-error:4044,10157'
3529 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3530 # with MSVC which enables it by default.
3531 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3532 if [ $pfx = hostcc ]; then
3533 append _cflags -Dsnprintf=_snprintf
3536 elif $_cc 2>&1 | grep -q Microsoft; then
3538 _ident=$($cc 2>&1 | head -n1)
3539 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3540 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3543 if $_cc 2>&1 | grep -q Linker; then
3550 _flags_filter=msvc_flags
3552 _ld_path='-libpath:'
3554 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3555 if [ $pfx = hostcc ]; then
3556 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then
3557 append _cflags -Dsnprintf=_snprintf
3561 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3563 _ident=$($_cc --version | head -n1)
3567 _flags_filter=cparser_flags
3570 eval ${pfx}_type=\$_type
3571 eval ${pfx}_ident=\$_ident
3575 eval ${1}_C=\${_cc_c-\${${1}_C}}
3576 eval ${1}_E=\${_cc_e-\${${1}_E}}
3577 eval ${1}_O=\${_cc_o-\${${1}_O}}
3579 if [ -n "$_depflags" ]; then
3580 eval ${1}_DEPFLAGS=\$_depflags
3582 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3583 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3584 eval DEP${1}FLAGS=\$_flags
3589 cflags_filter=$_flags_filter
3590 cflags_speed=$_cflags_speed
3591 cflags_size=$_cflags_size
3592 cflags_noopt=$_cflags_noopt
3593 add_cflags $_flags $_cflags
3594 cc_ldflags=$_ldflags
3597 probe_cc hostcc "$host_cc"
3598 host_cflags_filter=$_flags_filter
3599 add_host_cflags $_flags $_cflags
3602 test -n "$cc_type" && enable $cc_type ||
3603 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3605 : ${as_default:=$cc}
3606 : ${dep_cc_default:=$cc}
3607 : ${ld_default:=$cc}
3608 : ${host_ld_default:=$host_cc}
3609 set_default ar as dep_cc ld host_ld windres
3612 asflags_filter=$_flags_filter
3613 add_asflags $_flags $_cflags
3617 ldflags_filter=$_flags_filter
3618 add_ldflags $_flags $_ldflags
3619 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3621 LD_LIB=${_ld_lib-$LD_LIB}
3622 LD_PATH=${_ld_path-$LD_PATH}
3624 probe_cc hostld "$host_ld"
3625 host_ldflags_filter=$_flags_filter
3626 add_host_ldflags $_flags $_ldflags
3627 HOSTLD_O=${_ld_o-$HOSTLD_O}
3629 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3630 probe_cc depcc "$dep_cc"
3631 CCDEP=${_DEPCMD:-$DEPCMD}
3632 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3636 if $ar 2>&1 | grep -q Microsoft; then
3639 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3642 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3643 arflags='-Xany -r -c'
3645 elif $ar 2>&1 | grep -q "\[D\] "; then
3653 add_cflags $extra_cflags
3654 add_cxxflags $extra_cxxflags
3655 add_asflags $extra_cflags
3657 if test -n "$sysroot"; then
3660 add_cppflags --sysroot="$sysroot"
3661 add_ldflags --sysroot="$sysroot"
3662 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3663 add_cppflags -isysroot "$sysroot"
3664 add_ldflags -isysroot "$sysroot"
3667 add_cppflags -I"$sysinclude"
3668 add_ldflags --sysroot="$sysroot"
3673 if test "$cpu" = host; then
3674 enabled cross_compile &&
3675 die "--cpu=host makes no sense when cross-compiling."
3680 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3682 s/.*$1=\\([^ ]*\\).*/\\1/
3687 cpu=$(check_native -march || check_native -mcpu)
3691 test "${cpu:-host}" = host &&
3692 die "--cpu=host not supported with compiler $cc"
3695 # Deal with common $arch aliases
3709 "Power Macintosh"|ppc*|powerpc*)
3724 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3729 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3732 # Add processor-specific flags
3733 if enabled aarch64; then
3737 cpuflags="-march=$cpu"
3740 cpuflags="-mcpu=$cpu"
3744 elif enabled alpha; then
3746 cpuflags="-mcpu=$cpu"
3748 elif enabled arm; then
3751 check_cpp_condition stddef.h \
3752 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3757 if check_arm_arch 4; then echo armv4;
3758 elif check_arm_arch 4T; then echo armv4t;
3759 elif check_arm_arch 5; then echo armv5;
3760 elif check_arm_arch 5E; then echo armv5e;
3761 elif check_arm_arch 5T; then echo armv5t;
3762 elif check_arm_arch 5TE; then echo armv5te;
3763 elif check_arm_arch 5TEJ; then echo armv5te;
3764 elif check_arm_arch 6; then echo armv6;
3765 elif check_arm_arch 6J; then echo armv6j;
3766 elif check_arm_arch 6K; then echo armv6k;
3767 elif check_arm_arch 6Z; then echo armv6z;
3768 elif check_arm_arch 6ZK; then echo armv6zk;
3769 elif check_arm_arch 6T2; then echo armv6t2;
3770 elif check_arm_arch 7; then echo armv7;
3771 elif check_arm_arch 7A 7_A; then echo armv7-a;
3772 elif check_arm_arch 7S; then echo armv7-a;
3773 elif check_arm_arch 7R 7_R; then echo armv7-r;
3774 elif check_arm_arch 7M 7_M; then echo armv7-m;
3775 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3776 elif check_arm_arch 8A 8_A; then echo armv8-a;
3780 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3784 cpuflags="-march=$cpu"
3785 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3788 cpuflags="-mcpu=$cpu"
3790 cortex-a*) subarch=armv7a ;;
3791 cortex-r*) subarch=armv7r ;;
3792 cortex-m*) enable thumb; subarch=armv7m ;;
3793 arm11*) subarch=armv6 ;;
3794 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3795 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3796 *) subarch=$(probe_arm_arch) ;;
3802 armv5t*) enable fast_clz ;;
3805 disabled fast_unaligned || enable fast_unaligned
3809 elif enabled avr32; then
3814 cpuflags="-mpart=$cpu"
3818 cpuflags="-march=$cpu"
3822 cpuflags="-mcpu=$cpu"
3826 cpuflags="-march=$cpu"
3830 elif enabled bfin; then
3832 cpuflags="-mcpu=$cpu"
3834 elif enabled mips; then
3836 cpuflags="-march=$cpu"
3852 24kef*|34kf*|1004kf*)
3860 elif enabled ppc; then
3865 case $(tolower $cpu) in
3866 601|ppc601|powerpc601)
3867 cpuflags="-mcpu=601"
3870 603*|ppc603*|powerpc603*)
3871 cpuflags="-mcpu=603"
3874 604*|ppc604*|powerpc604*)
3875 cpuflags="-mcpu=604"
3878 g3|75*|ppc75*|powerpc75*)
3879 cpuflags="-mcpu=750"
3882 g4|745*|ppc745*|powerpc745*)
3883 cpuflags="-mcpu=7450"
3885 74*|ppc74*|powerpc74*)
3886 cpuflags="-mcpu=7400"
3888 g5|970|ppc970|powerpc970)
3889 cpuflags="-mcpu=970"
3892 cpuflags="-mcpu=$cpu"
3895 cpuflags="-mcpu=cell"
3899 cpuflags="-mcpu=e500mc"
3903 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3908 cpuflags="-mcpu=8540 -mhard-float"
3914 elif enabled sparc; then
3917 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3918 cpuflags="-mcpu=$cpu"
3920 ultrasparc*|niagara[234])
3921 cpuflags="-mcpu=$cpu"
3925 elif enabled x86; then
3929 cpuflags="-march=$cpu"
3933 # targets that do NOT support nopl and conditional mov (cmov)
3934 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3935 cpuflags="-march=$cpu"
3938 # targets that do support nopl and conditional mov (cmov)
3939 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
3940 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
3941 cpuflags="-march=$cpu"
3945 # targets that do support conditional mov but on which it's slow
3946 pentium4|pentium4m|prescott|nocona)
3947 cpuflags="-march=$cpu"
3955 if [ "$cpu" != generic ]; then
3956 add_cflags $cpuflags
3957 add_asflags $cpuflags
3960 # compiler sanity check
3962 int main(void){ return 0; }
3964 if test "$?" != 0; then
3965 echo "$cc is unable to create an executable file."
3966 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3967 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3968 echo "Only do this if you know what cross compiling means."
3970 die "C compiler test failed."
3973 add_cppflags -D_ISOC99_SOURCE
3974 add_cxxflags -D__STDC_CONSTANT_MACROS
3975 check_cflags -std=c99
3976 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3979 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3983 add_host_cppflags -D_ISOC99_SOURCE
3984 check_host_cflags -std=c99
3985 check_host_cflags -Wall
3986 check_host_cflags -O3
3992 check_code cc "" "int test[2*($expr) - 1]" &&
3993 subarch=$arch64 || subarch=$arch32
4001 check_64bit mips mips64 '_MIPS_SIM > 1'
4005 check_64bit parisc parisc64 'sizeof(void *) > 4'
4009 check_64bit ppc ppc64 'sizeof(void *) > 4'
4013 check_64bit s390 s390x 'sizeof(void *) > 4'
4017 check_64bit sparc sparc64 'sizeof(void *) > 4'
4021 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4022 # Treat x32 as x64 for now. Note it also needs spic=$shared
4023 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4025 if test "$subarch" = "x86_64"; then
4030 check_cc <<EOF && subarch="ppc64"
4031 int test[(int)sizeof(char*) - 7];
4037 enabled spic && enable_weak pic
4043 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4044 enabled shared && add_ldflags -Wl,-brtl
4048 enable section_data_rel_ro
4049 SLIB_INSTALL_NAME='$(SLIBNAME)'
4051 # soname not set on purpose
4055 prefix_default="/boot/common"
4056 network_extralibs="-lnetwork"
4060 SHFLAGS='-shared -Wl,-h,$$(@F)'
4061 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4062 network_extralibs="-lsocket -lnsl"
4063 add_cppflags -D__EXTENSIONS__
4064 # When using suncc to build, the Solaris linker will mark
4065 # an executable with each instruction set encountered by
4066 # the Solaris assembler. As our libraries contain their own
4067 # guards for processor-specific code, instead suppress
4068 # generation of the HWCAPS ELF section on Solaris x86 only.
4069 enabled_all suncc x86 &&
4070 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4071 add_ldflags -Wl,-M,mapfile
4072 nm_default='nm -P -g'
4076 oss_indev_extralibs="-lossaudio"
4077 oss_outdev_extralibs="-lossaudio"
4078 enabled gcc || check_ldflags -Wl,-zmuldefs
4083 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4085 oss_indev_extralibs="-lossaudio"
4086 oss_outdev_extralibs="-lossaudio"
4094 add_extralibs -lpoll -lgnugetopt
4098 enabled ppc && add_asflags -force_cpusubtype_ALL
4099 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4100 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4102 add_ldflags -Wl,-dynamic,-search_paths_first
4104 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4105 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4107 enabled x86_64 && objformat="macho64"
4108 enabled_any pic shared x86_64 ||
4109 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4112 if test $target_os = "mingw32ce"; then
4118 if enabled x86_64; then
4119 LIBTARGET="i386:x86-64"
4120 elif enabled arm; then
4123 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4124 check_ldflags -Wl,--nxcompat
4125 check_ldflags -Wl,--dynamicbase
4126 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4127 shlibdir_default="$bindir_default"
4130 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4131 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4132 dlltool="${cross_prefix}dlltool"
4133 if check_cmd lib.exe -list; then
4134 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4135 if enabled x86_64; then
4138 elif check_cmd $dlltool --version; then
4139 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4141 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4143 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4144 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4145 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4152 if enabled shared; then
4153 # Link to the import library instead of the normal static library
4156 # Cannot build both shared and static libs with MSVC or icl.
4159 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4160 shlibdir_default="$bindir_default"
4163 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4164 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4165 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4166 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4168 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4169 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4170 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4177 shlibdir_default="$bindir_default"
4180 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4181 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4182 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4184 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4185 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4188 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4190 *-dos|freedos|opendos)
4191 network_extralibs="-lsocket"
4194 add_cppflags -U__STRICT_ANSI__
4198 enable section_data_rel_ro
4202 ranlib="echo ignoring ranlib"
4208 add_cppflags -D_GNU_SOURCE
4209 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4210 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4214 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4215 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4216 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4217 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
4218 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4219 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4220 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4221 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
4222 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4223 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4224 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4226 enable_weak os2threads
4229 add_cppflags -D_BSD_SOURCE
4234 add_cppflags -D_QNX_SOURCE
4235 network_extralibs="-lsocket"
4240 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4241 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4242 add_ldflags -Wl,--target1-abs,--no-undefined \
4243 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4244 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4245 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4246 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4247 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4250 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4255 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4256 -D_REENTRANT_SOURCE \
4257 -D_RESEARCH_SOURCE \
4260 add_compat strtod.o strtod=avpriv_strtod
4261 network_extralibs='-lbsd'
4262 exeobjs=compat/plan9/main.o
4269 die "Unknown OS '$target_os'."
4273 # determine libc flavour
4278 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4279 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4280 eval ${pfx}libc_type=uclibc
4281 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4282 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4283 eval ${pfx}libc_type=glibc
4284 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4285 # MinGW headers can be installed on Cygwin, so check for newlib first.
4286 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4287 eval ${pfx}libc_type=newlib
4288 add_${pfx}cppflags -U__STRICT_ANSI__
4289 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4290 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4291 eval ${pfx}libc_type=mingw64
4292 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4293 add_compat msvcrt/snprintf.o
4294 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4296 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4297 eval test \$${pfx_no_}cc_type = "gcc" &&
4298 add_${pfx}cppflags -D__printf__=__gnu_printf__
4299 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4300 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4301 eval ${pfx}libc_type=mingw32
4302 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4303 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4304 die "ERROR: MinGW32 runtime version must be >= 3.15."
4305 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4306 eval test \$${pfx_no_}cc_type = "gcc" &&
4307 add_${pfx}cppflags -D__printf__=__gnu_printf__
4308 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4309 eval ${pfx}libc_type=msvcrt
4310 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4311 # 0x601 by default unless something else is set by the user.
4312 # This can easily lead to us detecting functions only present
4313 # in such new versions and producing binaries requiring windows 7.0.
4314 # Therefore explicitly set the default to XP unless the user has
4315 # set something else on the command line.
4316 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4317 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4318 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4319 eval ${pfx}libc_type=klibc
4320 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4321 eval ${pfx}libc_type=bionic
4322 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4323 eval ${pfx}libc_type=solaris
4324 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4326 check_${pfx}cc <<EOF
4328 void *v = localtime_r;
4330 test "$?" != 0 && check_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4332 void *v = localtime_r;
4338 test -n "$libc_type" && enable libc_$libc_type
4340 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4344 add_compat strtod.o strtod=avpriv_strtod
4347 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then
4348 add_compat strtod.o strtod=avpriv_strtod
4349 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4350 _snprintf=avpriv_snprintf \
4351 vsnprintf=avpriv_vsnprintf
4356 # hacks for compiler/libc/os combinations
4358 if enabled_all tms470 libc_glibc; then
4359 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4360 add_cppflags -D__USER_LABEL_PREFIX__=
4361 add_cppflags -D__builtin_memset=memset
4362 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4363 add_cflags -pds=48 # incompatible redefinition of macro
4366 if enabled_all ccc libc_glibc; then
4367 add_ldflags -Wl,-z,now # calls to libots crash without this
4370 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4371 add_cppflags '-I\$(SRC_PATH)/compat/float'
4374 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4377 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4379 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4382 : ${shlibdir_default:="$libdir"}
4384 set_default $PATHS_LIST
4387 # we need to build at least one lib type
4388 if ! enabled_any static shared; then
4390 At least one library type must be built.
4391 Specify --enable-static to build the static libraries or --enable-shared to
4392 build the shared libraries as well. To only build the shared libraries specify
4393 --disable-static in addition to --enable-shared.
4398 die_license_disabled() {
4399 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4402 die_license_disabled_gpl() {
4403 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4406 die_license_disabled gpl frei0r
4407 die_license_disabled gpl libcdio
4408 die_license_disabled gpl libsmbclient
4409 die_license_disabled gpl libutvideo
4410 die_license_disabled gpl libvidstab
4411 die_license_disabled gpl libx264
4412 die_license_disabled gpl libx265
4413 die_license_disabled gpl libxavs
4414 die_license_disabled gpl libxvid
4415 die_license_disabled gpl libzvbi
4416 die_license_disabled gpl x11grab
4418 die_license_disabled nonfree libaacplus
4419 die_license_disabled nonfree libfaac
4420 die_license_disabled nonfree nvenc
4421 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4422 enabled gpl && die_license_disabled_gpl nonfree openssl
4424 die_license_disabled version3 libopencore_amrnb
4425 die_license_disabled version3 libopencore_amrwb
4426 die_license_disabled version3 libsmbclient
4427 die_license_disabled version3 libvo_aacenc
4428 die_license_disabled version3 libvo_amrwbenc
4430 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4432 disabled optimizations || check_cflags -fomit-frame-pointer
4435 disabled pic && return
4438 case "$target_os" in
4448 enabled pic && enable_weak_pic
4450 check_cc <<EOF || die "Symbol mangling check failed."
4453 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4454 extern_prefix=${sym%%ff_extern*}
4456 check_cc <<EOF && enable_weak inline_asm
4457 void foo(void) { __asm__ volatile ("" ::); }
4461 for restrict_keyword in restrict __restrict__ __restrict; do
4462 check_cc <<EOF && _restrict=$restrict_keyword && break
4463 void foo(char * $restrict_keyword p);
4467 check_cc <<EOF && enable pragma_deprecated
4468 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4471 check_cc <<EOF && enable attribute_packed
4472 struct { int x; } __attribute__((packed)) x;
4475 check_cc <<EOF && enable attribute_may_alias
4476 union { int x; } __attribute__((may_alias)) x;
4479 check_cc <<EOF || die "endian test failed"
4480 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4482 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4484 if [ "$cpu" = "power7" ] || [ "$cpu" = "power8" ] || enabled ppc64; then
4485 if ! enabled bigendian && enabled altivec ;then
4491 log "check_gas using '$as' as AS"
4492 # :vararg is used on aarch64, arm and ppc altivec
4493 check_as <<EOF || return 1
4494 .macro m n, y:vararg=0
4499 # .altmacro is only used in arm asm
4500 ! enabled arm || check_as <<EOF || return 1
4507 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4509 enabled_any arm aarch64 && nogas=die
4510 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4514 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4515 gcc) gaspp_as_type=gas ;;
4516 *) gaspp_as_type=$as_type ;;
4519 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4521 test "${as#*gas-preprocessor.pl}" != "$as" ||
4522 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4523 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4525 if ! check_gas ; then
4528 $nogas "GNU assembler not found, install/update gas-preprocessor"
4531 check_as <<EOF && enable as_func
4537 check_inline_asm inline_asm_labels '"1:\n"'
4539 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4541 if enabled aarch64; then
4542 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4543 # internal assembler in clang 3.3 does not support this instruction
4544 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4545 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4547 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4549 elif enabled alpha; then
4553 elif enabled arm; then
4555 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4556 float func(float a, float b){ return a+b; }
4559 enabled thumb && check_cflags -mthumb || check_cflags -marm
4561 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4563 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4564 case "${cross_prefix:-$cc}" in
4565 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4566 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4567 __asm__ (".eabi_attribute 28, 1");
4568 int main(void) { return 0; }
4571 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4574 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4575 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4576 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4577 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4578 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4579 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4580 enabled setend && check_insn setend 'setend be'
4582 [ $target_os = linux ] || [ $target_os = android ] ||
4583 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4586 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4588 check_as <<EOF && enable as_dn_directive
4593 # llvm's integrated assembler supports .object_arch from llvm 3.5
4594 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4598 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4600 elif enabled mips; then
4602 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4604 # Enable minimum ISA based on selected options
4605 if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then
4606 add_cflags "-mips64r2"
4607 add_asflags "-mips64r2"
4608 elif enabled mips64 && enabled mipsfpu; then
4609 add_cflags "-mips64"
4610 add_asflags "-mips64"
4611 elif enabled mipsfpu || enabled mipsdspr1 || enabled mipsdspr2; then
4612 add_cflags "-mips32r2"
4613 add_asflags "-mips32r2"
4616 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4617 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4618 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4619 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4620 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4621 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4623 elif enabled parisc; then
4625 if enabled gcc; then
4626 case $($cc -dumpversion) in
4627 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
4631 elif enabled ppc; then
4633 enable local_aligned_8 local_aligned_16 local_aligned_32
4635 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4636 check_inline_asm ibm_asm '"add 0, 0, 0"'
4637 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4638 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4640 # AltiVec flags: The FSF version of GCC differs from the Apple version
4641 if enabled altivec; then
4642 check_cflags -maltivec -mabi=altivec &&
4643 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4644 check_cflags -faltivec
4646 # check if our compiler supports Motorola AltiVec C API
4647 check_cc <<EOF || disable altivec
4650 vector signed int v1 = (vector signed int) { 0 };
4651 vector signed int v2 = (vector signed int) { 1 };
4652 v1 = vec_add(v1, v2);
4657 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4660 if enabled vsx; then
4663 elif enabled x86; then
4665 check_builtin rdtsc intrin.h "__rdtsc()"
4666 check_builtin mm_empty mmintrin.h "_mm_empty()"
4668 enable local_aligned_8 local_aligned_16 local_aligned_32
4670 # check whether EBP is available on x86
4671 # As 'i' is stored on the stack, this program will crash
4672 # if the base pointer is used to access it because the
4673 # base pointer is cleared in the inline assembly code.
4674 check_exec_crash <<EOF && enable ebp_available
4676 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4680 # check whether EBX is available on x86
4681 check_inline_asm ebx_available '""::"b"(0)' &&
4682 check_inline_asm ebx_available '"":::"%ebx"'
4684 # check whether xmm clobbers are supported
4685 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4687 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4688 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4690 # check whether binutils is new enough to compile SSSE3/MMXEXT
4691 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4692 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4694 if ! disabled_any asm mmx yasm; then
4695 if check_cmd $yasmexe --version; then
4696 enabled x86_64 && yasm_extra="-m amd64"
4697 yasm_debug="-g dwarf2"
4698 elif check_cmd nasm -v; then
4700 yasm_debug="-g -F dwarf"
4701 if enabled x86_64; then
4702 case "$objformat" in
4703 elf) objformat=elf64 ;;
4704 win32) objformat=win64 ;;
4709 YASMFLAGS="-f $objformat $yasm_extra"
4710 enabled pic && append YASMFLAGS "-DPIC"
4711 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4712 case "$objformat" in
4713 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4716 check_yasm "movbe ecx, [5]" && enable yasm ||
4717 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4718 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4719 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4720 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4721 check_yasm "CPU amdnop" || disable cpunop
4725 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4732 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4734 check_ldflags -Wl,--as-needed
4735 check_ldflags -Wl,-z,noexecstack
4737 if check_func dlopen; then
4739 elif check_func dlopen -ldl; then
4743 frei0r_filter_extralibs='$ldl'
4744 frei0r_src_filter_extralibs='$ldl'
4745 ladspa_filter_extralibs='$ldl'
4746 nvenc_encoder_extralibs='$ldl'
4748 if ! disabled network; then
4749 check_func getaddrinfo $network_extralibs
4750 check_func getservbyport $network_extralibs
4751 check_func inet_aton $network_extralibs
4753 check_type netdb.h "struct addrinfo"
4754 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4755 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4756 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4757 check_type poll.h "struct pollfd"
4758 check_type netinet/sctp.h "struct sctp_event_subscribe"
4759 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4760 check_type netinet/in.h "struct sockaddr_in6"
4761 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4762 check_type "sys/types.h sys/socket.h" socklen_t
4764 # Prefer arpa/inet.h over winsock2
4765 if check_header arpa/inet.h ; then
4766 check_func closesocket
4767 elif check_header winsock2.h ; then
4768 check_func_headers winsock2.h closesocket -lws2 &&
4769 network_extralibs="-lws2" ||
4770 { check_func_headers winsock2.h closesocket -lws2_32 &&
4771 network_extralibs="-lws2_32"; } || disable winsock2_h network
4772 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4774 check_type ws2tcpip.h socklen_t
4775 check_type ws2tcpip.h "struct addrinfo"
4776 check_type ws2tcpip.h "struct group_source_req"
4777 check_type ws2tcpip.h "struct ip_mreq_source"
4778 check_type ws2tcpip.h "struct ipv6_mreq"
4779 check_type winsock2.h "struct pollfd"
4780 check_struct winsock2.h "struct sockaddr" sa_len
4781 check_type ws2tcpip.h "struct sockaddr_in6"
4782 check_type ws2tcpip.h "struct sockaddr_storage"
4788 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4789 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
4790 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4791 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4792 check_builtin sarestart signal.h "SA_RESTART"
4793 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4795 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4796 check_func ${malloc_prefix}memalign && enable memalign
4797 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4800 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4803 check_func gethrtime
4805 check_func getrusage
4806 check_func gettimeofday
4809 check_func localtime_r
4810 check_func mach_absolute_time
4814 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4815 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4816 check_func sched_getaffinity
4817 check_func setrlimit
4818 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4819 check_func strerror_r
4824 check_func_headers conio.h kbhit
4825 check_func_headers io.h setmode
4826 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4827 check_func_headers stdlib.h getenv
4829 check_func_headers windows.h CoTaskMemFree -lole32
4830 check_func_headers windows.h GetProcessAffinityMask
4831 check_func_headers windows.h GetProcessTimes
4832 check_func_headers windows.h GetSystemTimeAsFileTime
4833 check_func_headers windows.h MapViewOfFile
4834 check_func_headers windows.h PeekNamedPipe
4835 check_func_headers windows.h SetConsoleTextAttribute
4836 check_func_headers windows.h Sleep
4837 check_func_headers windows.h VirtualAlloc
4838 check_struct windows.h "CONDITION_VARIABLE" Ptr
4839 check_func_headers glob.h glob
4841 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4843 check_header direct.h
4844 check_header dlfcn.h
4846 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4848 check_header libcrystalhd/libcrystalhd_if.h
4849 check_header mach/mach_time.h
4850 check_header malloc.h
4851 check_header net/udplite.h
4853 check_header sys/mman.h
4854 check_header sys/param.h
4855 check_header sys/resource.h
4856 check_header sys/select.h
4857 check_header sys/time.h
4858 check_header sys/un.h
4859 check_header termios.h
4860 check_header unistd.h
4861 check_header vdpau/vdpau.h
4862 check_header vdpau/vdpau_x11.h
4863 check_header VideoDecodeAcceleration/VDADecoder.h
4864 check_header windows.h
4865 check_header X11/extensions/XvMClib.h
4866 check_header asm/types.h
4868 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4869 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4870 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4872 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4874 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"
4876 if ! disabled w32threads && ! enabled pthreads; then
4877 check_func_headers "windows.h process.h" _beginthreadex &&
4878 enable w32threads || disable w32threads
4881 # check for some common methods of building with pthread support
4882 # do this before the optional library checks as some of them require pthreads
4883 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4885 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4887 add_extralibs -pthread
4888 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4889 add_cflags -pthreads
4890 add_extralibs -pthreads
4891 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
4892 add_cflags -ldl -pthread
4893 add_extralibs -ldl -pthread
4894 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4895 add_extralibs -lpthreadGC2
4896 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4898 elif ! check_func pthread_join && ! check_func pthread_create; then
4901 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4905 if enabled pthreads; then
4906 check_func pthread_cancel
4909 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4910 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4911 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
4913 check_lib math.h sin -lm && LIBM="-lm"
4914 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4920 for func in $MATH_FUNCS; do
4921 eval check_mathfunc $func \${${func}_args:-1}
4924 # these are off by default, so fail if requested and not available
4925 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
4926 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
4927 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
4928 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4929 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4930 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4931 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
4932 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4933 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4934 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4935 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4936 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4937 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4938 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
4939 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4940 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4941 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4942 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4943 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4944 enabled libdcadec && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec
4945 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4946 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4947 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"
4948 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4949 enabled fontconfig && enable libfontconfig
4950 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4951 enabled libfreetype && require_libfreetype
4952 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
4953 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4954 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4955 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4956 done || die "ERROR: libgsm not found"; }
4957 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4958 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
4959 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
4960 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4961 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4962 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4963 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4964 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4965 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
4966 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||
4967 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4968 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4969 die "ERROR: libopenjpeg not found"; }
4970 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4971 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
4972 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4973 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4974 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4975 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4976 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
4977 require smbclient libsmbclient.h smbc_init -lsmbclient; }
4978 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4979 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4980 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
4981 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4982 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4983 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4984 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4985 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4986 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4987 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4988 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4989 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4990 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
4991 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4992 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4993 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4995 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4996 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4997 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 ||
4998 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4999 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
5000 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx || disable libvpx_vp9_encoder; } }
5001 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5002 enabled libwebp && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5003 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5004 { require libx264 x264.h x264_encoder_encode -lx264 &&
5005 warn "using libx264 without pkg-config"; } } &&
5006 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5007 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
5008 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
5009 { check_cpp_condition x265.h "X265_BUILD >= 17" ||
5010 die "ERROR: libx265 version must be >= 17."; }
5011 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
5012 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5013 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5014 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
5015 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5016 { ! enabled cross_compile && {
5017 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5018 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5019 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5020 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5021 die "ERROR: mmal not found"; }
5022 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5023 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
5024 die "ERROR: NVENC API version 4 or older is not supported"; } &&
5025 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5026 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5027 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5028 die "ERROR: openal not found"; } &&
5029 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5030 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5031 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5032 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5033 die "ERROR: opencl not found"; } &&
5034 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5035 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5036 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5037 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5038 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5039 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5040 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5041 die "ERROR: opengl not found."
5043 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5044 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5045 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5046 die "ERROR: openssl not found"; }
5047 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
5049 if enabled gnutls; then
5050 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
5051 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
5055 if enabled libdc1394; then
5056 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5057 enable libdc1394_2; } ||
5058 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5059 enable libdc1394_1; } ||
5060 die "ERROR: No version of libdc1394 found "
5062 if ! disabled sdl; then
5063 SDL_CONFIG="${cross_prefix}sdl-config"
5064 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5065 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5066 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5069 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5070 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5071 sdl_libs=$("${SDL_CONFIG}" --libs)
5072 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5073 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5074 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5076 elif enabled sdl ; then
5077 die "ERROR: SDL not found"
5083 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5085 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5086 enabled makeinfo && (makeinfo --version | \
5087 grep -q 'makeinfo (GNU texinfo) 5' > /dev/null 2>&1) \
5088 && enable makeinfo_html || disable makeinfo_html
5089 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5090 perl -v > /dev/null 2>&1 && enable perl || disable perl
5091 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5092 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5094 check_header linux/fb.h
5095 check_header linux/videodev.h
5096 check_header linux/videodev2.h
5097 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5099 check_header sys/videoio.h
5100 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5102 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5103 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5104 # w32api 3.12 had it defined wrong
5105 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5107 check_type "dshow.h" IBaseFilter
5109 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5110 { check_header dev/bktr/ioctl_meteor.h &&
5111 check_header dev/bktr/ioctl_bt848.h; } ||
5112 { check_header machine/ioctl_meteor.h &&
5113 check_header machine/ioctl_bt848.h; } ||
5114 { check_header dev/video/meteor/ioctl_meteor.h &&
5115 check_header dev/video/bktr/ioctl_bt848.h; } ||
5116 check_header dev/ic/bt8xx.h
5118 check_header sndio.h
5119 if check_struct sys/soundcard.h audio_buf_info bytes; then
5120 enable_safe sys/soundcard.h
5122 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5123 #include <sys/soundcard.h>
5127 check_header soundcard.h
5129 enabled_any alsa_indev alsa_outdev &&
5130 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5132 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
5133 check_func jack_port_get_latency_range -ljack
5135 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5137 if enabled libcdio; then
5138 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5139 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5140 die "ERROR: No usable libcdio/cdparanoia found"
5144 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5146 if ! disabled libxcb; then
5147 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5148 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5149 } && disable x11grab && enable libxcb
5151 if enabled libxcb; then
5152 disabled libxcb_shm || {
5153 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5154 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5155 } && check_header sys/shm.h && enable libxcb_shm; }
5157 disabled libxcb_xfixes || {
5158 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5159 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5160 } && enable libxcb_xfixes; }
5162 disabled libxcb_shape || {
5163 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5164 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5165 } && enable libxcb_shape; }
5167 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5168 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5172 if enabled x11grab; then
5173 enabled xlib || die "ERROR: Xlib not found"
5174 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5175 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5178 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5180 enabled dxva2api_h &&
5181 check_cc <<EOF && enable dxva2api_cobj
5182 #define _WIN32_WINNT 0x0600
5184 #include <windows.h>
5186 #include <dxva2api.h>
5187 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5191 check_lib va/va.h vaInitialize -lva ||
5194 enabled vaapi && enabled xlib &&
5195 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5199 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5202 enabled vdpau && enabled xlib &&
5203 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5204 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5207 # Funny iconv installations are not unusual, so check it after all flags have been set
5208 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5210 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5212 # add some useful compiler flags if supported
5213 check_cflags -Wdeclaration-after-statement
5215 check_cflags -Wdisabled-optimization
5216 check_cflags -Wpointer-arith
5217 check_cflags -Wredundant-decls
5218 check_cflags -Wwrite-strings
5219 check_cflags -Wtype-limits
5220 check_cflags -Wundef
5221 check_cflags -Wmissing-prototypes
5222 check_cflags -Wno-pointer-to-int-cast
5223 check_cflags -Wstrict-prototypes
5224 check_cflags -Wempty-body
5225 enabled extra_warnings && check_cflags -Winline
5227 check_disable_warning(){
5228 warning_flag=-W${1#-Wno-}
5229 test_cflags $warning_flag && add_cflags $1
5232 check_disable_warning -Wno-parentheses
5233 check_disable_warning -Wno-switch
5234 check_disable_warning -Wno-format-zero-length
5235 check_disable_warning -Wno-pointer-sign
5237 # add some linker flags
5238 check_ldflags -Wl,--warn-common
5239 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5240 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5241 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5243 # add some strip flags
5244 # -wN '..@*' is more selective than -x, but not available everywhere.
5245 check_stripflags -wN \'..@*\' || check_stripflags -x
5247 enabled neon_clobber_test &&
5248 check_ldflags -Wl,--wrap,avcodec_open2 \
5249 -Wl,--wrap,avcodec_decode_audio4 \
5250 -Wl,--wrap,avcodec_decode_video2 \
5251 -Wl,--wrap,avcodec_decode_subtitle2 \
5252 -Wl,--wrap,avcodec_encode_audio2 \
5253 -Wl,--wrap,avcodec_encode_video2 \
5254 -Wl,--wrap,avcodec_encode_subtitle \
5255 -Wl,--wrap,swr_convert \
5256 -Wl,--wrap,avresample_convert ||
5257 disable neon_clobber_test
5259 enabled xmm_clobber_test &&
5260 check_ldflags -Wl,--wrap,avcodec_open2 \
5261 -Wl,--wrap,avcodec_decode_audio4 \
5262 -Wl,--wrap,avcodec_decode_video2 \
5263 -Wl,--wrap,avcodec_decode_subtitle2 \
5264 -Wl,--wrap,avcodec_encode_audio2 \
5265 -Wl,--wrap,avcodec_encode_video \
5266 -Wl,--wrap,avcodec_encode_video2 \
5267 -Wl,--wrap,avcodec_encode_subtitle \
5268 -Wl,--wrap,swr_convert \
5269 -Wl,--wrap,avresample_convert \
5270 -Wl,--wrap,sws_scale ||
5271 disable xmm_clobber_test
5274 if test_ldflags -Wl,--version-script,$TMPV; then
5275 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5276 check_cc <<EOF && enable symver_asm_label
5277 void ff_foo(void) __asm__ ("av_foo@VERSION");
5278 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5280 check_cc <<EOF && enable symver_gnu_asm
5281 __asm__(".symver ff_foo,av_foo@VERSION");
5282 void ff_foo(void) {}
5286 if [ -z "$optflags" ]; then
5287 if enabled small; then
5288 optflags=$cflags_size
5289 elif enabled optimizations; then
5290 optflags=$cflags_speed
5292 optflags=$cflags_noopt
5298 enabled lto && check_ldflags "$@"
5302 if enabled lto; then
5303 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5305 check_ldflags -flto $cpuflags
5306 disable inline_asm_direct_symbol_refs
5309 check_optflags $optflags
5310 check_optflags -fno-math-errno
5311 check_optflags -fno-signed-zeros
5313 enabled ftrapv && check_cflags -ftrapv
5315 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5320 if enabled icc; then
5321 # Just warnings, no remarks
5323 # -wd: Disable following warnings
5324 # 144, 167, 556: -Wno-pointer-sign
5325 # 188: enumerated type mixed with another type
5326 # 1292: attribute "foo" ignored
5327 # 1419: external declaration in primary source file
5328 # 10006: ignoring unknown option -fno-signed-zeros
5329 # 10148: ignoring unknown option -Wno-parentheses
5330 # 10156: ignoring option '-W'; no argument required
5331 # 13200: No EMMS instruction before call to function
5332 # 13203: No EMMS instruction before return from function
5333 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
5334 # 11030: Warning unknown option --as-needed
5335 # 10156: ignoring option '-export'; no argument required
5336 check_ldflags -wd10156,11030
5337 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5338 enable ebp_available
5339 # The test above does not test linking
5340 enabled lto && disable symver_asm_label
5341 if enabled x86_32; then
5342 icc_version=$($cc -dumpversion)
5343 test ${icc_version%%.*} -ge 11 &&
5344 check_cflags -falign-stack=maintain-16-byte ||
5345 disable aligned_stack
5347 elif enabled ccc; then
5348 # disable some annoying warnings
5349 add_cflags -msg_disable bitnotint
5350 add_cflags -msg_disable mixfuncvoid
5351 add_cflags -msg_disable nonstandcast
5352 add_cflags -msg_disable unsupieee
5353 elif enabled gcc; then
5354 check_optflags -fno-tree-vectorize
5355 check_cflags -Werror=format-security
5356 check_cflags -Werror=implicit-function-declaration
5357 check_cflags -Werror=missing-prototypes
5358 check_cflags -Werror=return-type
5359 check_cflags -Werror=vla
5360 check_cflags -Wformat
5361 check_cflags -fdiagnostics-color=auto
5362 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5363 elif enabled llvm_gcc; then
5364 check_cflags -mllvm -stack-alignment=16
5365 elif enabled clang; then
5366 check_cflags -mllvm -stack-alignment=16
5367 check_cflags -Qunused-arguments
5368 check_cflags -Werror=implicit-function-declaration
5369 check_cflags -Werror=missing-prototypes
5370 check_cflags -Werror=return-type
5371 elif enabled cparser; then
5372 add_cflags -Wno-missing-variable-declarations
5373 add_cflags -Wno-empty-statement
5374 elif enabled armcc; then
5375 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5376 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5377 # 2523: use of inline assembly is deprecated
5378 add_cflags -W${armcc_opt},--diag_suppress=2523
5379 add_cflags -W${armcc_opt},--diag_suppress=1207
5380 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5381 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5382 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5383 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5384 elif enabled tms470; then
5385 add_cflags -pds=824 -pds=837
5387 elif enabled pathscale; then
5388 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5389 elif enabled_any msvc icl; then
5390 enabled x86_32 && disable aligned_stack
5391 enabled_all x86_32 debug && add_cflags -Oy-
5392 enabled debug && add_ldflags -debug
5393 enable pragma_deprecated
5394 if enabled icl; then
5395 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5396 # (correctly) on icl 13.x.
5397 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5398 add_cflags -Qansi-alias
5399 # Some inline asm is not compilable in debug
5400 if enabled debug; then
5401 disable ebp_available
5402 disable ebx_available
5405 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 onwards actually has log2.
5406 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5411 add_asflags -Qunused-arguments
5417 check_ldflags -Qunused-arguments
5423 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5426 add_cppflags -Dmain=plan9_main
5430 enable frame_thread_encoder
5432 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5434 check_deps $CONFIG_LIST \
5439 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"
5442 if test $target_os = "haiku"; then
5444 disable posix_memalign
5447 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5448 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
5451 ! enabled_any memalign posix_memalign aligned_malloc &&
5452 enabled simd_align_16 && enable memalign_hack
5455 # -> enable ${lib}_deps_${dep}
5456 # -> add $dep to ${lib}_deps only once
5460 enabled "${lib}_deps_${dep}" && return 0
5461 enable "${lib}_deps_${dep}"
5462 prepend "${lib}_deps" $dep
5465 # merge deps lib components
5466 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5471 enabled $comp || continue
5472 eval "dep=\"\$${comp}_deps\""
5479 merge_deps libavfilter $FILTER_LIST
5481 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5483 for thread in $THREADS_LIST; do
5484 if enabled $thread; then
5485 test -n "$thread_type" &&
5486 die "ERROR: Only one thread type must be selected." ||
5487 thread_type="$thread"
5491 enabled zlib && add_cppflags -DZLIB_CONST
5493 # conditional library dependencies, in linking order
5494 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5495 enabled aresample_filter && prepend avfilter_deps "swresample"
5496 enabled asyncts_filter && prepend avfilter_deps "avresample"
5497 enabled atempo_filter && prepend avfilter_deps "avcodec"
5498 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5499 enabled elbg_filter && prepend avfilter_deps "avcodec"
5500 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
5501 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5502 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5503 enabled pan_filter && prepend avfilter_deps "swresample"
5504 enabled pp_filter && prepend avfilter_deps "postproc"
5505 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5506 enabled resample_filter && prepend avfilter_deps "avresample"
5507 enabled sab_filter && prepend avfilter_deps "swscale"
5508 enabled scale_filter && prepend avfilter_deps "swscale"
5509 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5510 enabled smartblur_filter && prepend avfilter_deps "swscale"
5511 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5512 enabled uspp_filter && prepend avfilter_deps "avcodec"
5514 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5516 enabled opus_decoder && prepend avcodec_deps "swresample"
5520 eval "deps=\$$lib_deps"
5521 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5525 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5526 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5528 map 'expand_deps $v' $LIBRARY_LIST
5530 echo "install prefix $prefix"
5531 echo "source path $source_path"
5532 echo "C compiler $cc"
5533 echo "C library $libc_type"
5534 if test "$host_cc" != "$cc"; then
5535 echo "host C compiler $host_cc"
5536 echo "host C library $host_libc_type"
5538 echo "ARCH $arch ($cpu)"
5539 if test "$build_suffix" != ""; then
5540 echo "build suffix $build_suffix"
5542 if test "$progs_suffix" != ""; then
5543 echo "progs suffix $progs_suffix"
5545 if test "$extra_version" != ""; then
5546 echo "version string suffix $extra_version"
5548 echo "big-endian ${bigendian-no}"
5549 echo "runtime cpu detection ${runtime_cpudetect-no}"
5550 if enabled x86; then
5551 echo "${yasmexe} ${yasm-no}"
5552 echo "MMX enabled ${mmx-no}"
5553 echo "MMXEXT enabled ${mmxext-no}"
5554 echo "3DNow! enabled ${amd3dnow-no}"
5555 echo "3DNow! extended enabled ${amd3dnowext-no}"
5556 echo "SSE enabled ${sse-no}"
5557 echo "SSSE3 enabled ${ssse3-no}"
5558 echo "AVX enabled ${avx-no}"
5559 echo "XOP enabled ${xop-no}"
5560 echo "FMA3 enabled ${fma3-no}"
5561 echo "FMA4 enabled ${fma4-no}"
5562 echo "i686 features enabled ${i686-no}"
5563 echo "CMOV is fast ${fast_cmov-no}"
5564 echo "EBX available ${ebx_available-no}"
5565 echo "EBP available ${ebp_available-no}"
5567 if enabled aarch64; then
5568 echo "NEON enabled ${neon-no}"
5569 echo "VFP enabled ${vfp-no}"
5571 if enabled arm; then
5572 echo "ARMv5TE enabled ${armv5te-no}"
5573 echo "ARMv6 enabled ${armv6-no}"
5574 echo "ARMv6T2 enabled ${armv6t2-no}"
5575 echo "VFP enabled ${vfp-no}"
5576 echo "NEON enabled ${neon-no}"
5577 echo "THUMB enabled ${thumb-no}"
5579 if enabled mips; then
5580 echo "MIPS FPU enabled ${mipsfpu-no}"
5581 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5582 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5584 if enabled ppc; then
5585 echo "AltiVec enabled ${altivec-no}"
5586 echo "PPC 4xx optimizations ${ppc4xx-no}"
5587 echo "PPC VSX optimizations ${vsx-no}"
5588 echo "dcbzl available ${dcbzl-no}"
5590 echo "debug symbols ${debug-no}"
5591 echo "strip symbols ${stripping-no}"
5592 echo "optimize for size ${small-no}"
5593 echo "optimizations ${optimizations-no}"
5594 echo "static ${static-no}"
5595 echo "shared ${shared-no}"
5596 echo "postprocessing support ${postproc-no}"
5597 echo "new filter support ${avfilter-no}"
5598 echo "network support ${network-no}"
5599 echo "threading support ${thread_type-no}"
5600 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5601 echo "SDL support ${sdl-no}"
5602 echo "opencl enabled ${opencl-no}"
5603 echo "texi2html enabled ${texi2html-no}"
5604 echo "perl enabled ${perl-no}"
5605 echo "pod2man enabled ${pod2man-no}"
5606 echo "makeinfo enabled ${makeinfo-no}"
5607 echo "makeinfo supports HTML ${makeinfo_html-no}"
5608 test -n "$random_seed" &&
5609 echo "random seed ${random_seed}"
5612 echo "External libraries:"
5613 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5616 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5617 echo "Enabled ${type}s:"
5618 eval list=\$$(toupper $type)_LIST
5619 print_enabled '_*' $list | print_3_columns
5623 license="LGPL version 2.1 or later"
5624 if enabled nonfree; then
5625 license="nonfree and unredistributable"
5626 elif enabled gplv3; then
5627 license="GPL version 3 or later"
5628 elif enabled lgplv3; then
5629 license="LGPL version 3 or later"
5630 elif enabled gpl; then
5631 license="GPL version 2 or later"
5634 echo "License: $license"
5636 echo "Creating config.mak, config.h, and doc/config.texi..."
5638 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5640 enabled stripping || strip="echo skipping strip"
5642 config_files="$TMPH config.mak doc/config.texi"
5644 cat > config.mak <<EOF
5645 # Automatically generated by configure - do not modify!
5646 ifndef FFMPEG_CONFIG_MAK
5648 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5650 LIBDIR=\$(DESTDIR)$libdir
5651 SHLIBDIR=\$(DESTDIR)$shlibdir
5652 INCDIR=\$(DESTDIR)$incdir
5653 BINDIR=\$(DESTDIR)$bindir
5654 DATADIR=\$(DESTDIR)$datadir
5655 DOCDIR=\$(DESTDIR)$docdir
5656 MANDIR=\$(DESTDIR)$mandir
5657 SRC_PATH=$source_path
5658 ifndef MAIN_MAKEFILE
5659 SRC_PATH:=\$(SRC_PATH:.%=..%)
5663 INTRINSICS=$intrinsics
5669 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5671 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5700 LDEXEFLAGS=$LDEXEFLAGS
5701 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5702 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5703 YASMFLAGS=$YASMFLAGS
5704 BUILDSUF=$build_suffix
5705 PROGSSUF=$progs_suffix
5713 EXTRA_VERSION=$extra_version
5716 CCDEP_FLAGS=$CCDEP_FLAGS
5718 ASDEP_FLAGS=$ASDEP_FLAGS
5719 CC_DEPFLAGS=$CC_DEPFLAGS
5720 AS_DEPFLAGS=$AS_DEPFLAGS
5723 HOSTCFLAGS=$host_cflags
5724 HOSTCPPFLAGS=$host_cppflags
5725 HOSTEXESUF=$HOSTEXESUF
5726 HOSTLDFLAGS=$host_ldflags
5729 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5730 HOSTCCDEP=$HOSTCCDEP
5731 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5732 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5736 TARGET_EXEC=$target_exec $target_exec_args
5737 TARGET_PATH=$target_path
5738 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5739 CFLAGS-ffplay=$sdl_cflags
5740 ZLIB=$($ldflags_filter -lz)
5741 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5742 EXTRALIBS=$extralibs
5743 COMPAT_OBJS=$compat_objs
5746 LIBTARGET=${LIBTARGET}
5747 SLIBNAME=${SLIBNAME}
5748 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5749 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5750 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5751 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5752 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5753 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5754 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5755 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5756 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5757 NOREDZONE_FLAGS=$noredzone_flags
5762 name=$(toupper $lcname)
5763 file=$source_path/$lcname/version.h
5764 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5765 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5766 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5767 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5768 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5769 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5772 map 'get_version $v' $LIBRARY_LIST
5774 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
5776 print_program_libs(){
5777 eval "program_libs=\$${1}_libs"
5778 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5781 map 'print_program_libs $v' $PROGRAM_LIST
5784 /* Automatically generated by configure - do not modify! */
5785 #ifndef FFMPEG_CONFIG_H
5786 #define FFMPEG_CONFIG_H
5787 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5788 #define FFMPEG_LICENSE "$(c_escape $license)"
5789 #define CONFIG_THIS_YEAR 2015
5790 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5791 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5792 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5793 #define av_restrict $_restrict
5794 #define EXTERN_PREFIX "${extern_prefix}"
5795 #define EXTERN_ASM ${extern_prefix}
5796 #define BUILDSUF "$build_suffix"
5797 #define SLIBSUF "$SLIBSUF"
5798 #define HAVE_MMX2 HAVE_MMXEXT
5799 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
5802 test -n "$assert_level" &&
5803 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5805 test -n "$malloc_prefix" &&
5806 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5808 if enabled yasm; then
5809 append config_files $TMPASM
5813 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5818 echo "@c auto-generated by configure" > doc/config.texi
5820 print_config ARCH_ "$config_files" $ARCH_LIST
5821 print_config HAVE_ "$config_files" $HAVE_LIST
5822 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5826 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5827 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5829 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5830 cp_if_changed $TMPH config.h
5833 enabled yasm && cp_if_changed $TMPASM config.asm
5836 /* Generated by ffconf */
5837 #ifndef AVUTIL_AVCONFIG_H
5838 #define AVUTIL_AVCONFIG_H
5841 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5843 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5845 cp_if_changed $TMPH libavutil/avconfig.h
5847 if test -n "$WARNINGS"; then
5848 printf "\n$WARNINGS"
5849 enabled fatal_warnings && exit 1
5852 # build pkg-config files
5855 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
5858 pkgconfig_generate(){
5860 shortname=${name#lib}${build_suffix}
5864 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
5865 requires=${requires%, }
5866 enabled ${name#lib} || return 0
5868 cat <<EOF > $name/$name${build_suffix}.pc
5870 exec_prefix=\${prefix}
5875 Description: $comment
5877 Requires: $(enabled shared || echo $requires)
5878 Requires.private: $(enabled shared && echo $requires)
5880 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5881 Libs.private: $(enabled shared && echo $libs)
5882 Cflags: -I\${includedir}
5885 mkdir -p doc/examples/pc-uninstalled
5886 includedir=${source_path}
5887 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5888 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5891 libdir=\${pcfiledir}/../../../$name
5892 includedir=${includedir}
5895 Description: $comment
5899 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5900 Cflags: -I\${includedir}
5904 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
5905 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
5906 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
5907 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
5908 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
5909 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
5910 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
5911 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
5912 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"