3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --enable-rpath use rpath to allow installing libraries in paths
91 not part of the dynamic linker search path
94 --enable-gpl allow use of GPL code, the resulting libs
95 and binaries will be under GPL [no]
96 --enable-version3 upgrade (L)GPL to version 3 [no]
97 --enable-nonfree allow use of nonfree code, the resulting libs
98 and binaries will be unredistributable [no]
100 Configuration options:
101 --disable-static do not build static libraries [no]
102 --enable-shared build shared libraries [no]
103 --enable-small optimize for size instead of speed
104 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
105 --enable-gray enable full grayscale support (slower color)
106 --disable-swscale-alpha disable alpha channel support in swscale
107 --disable-all disable building components, libraries and programs
108 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
109 --enable-raise-major increase major version numbers in sonames [no]
112 --disable-programs do not build command line programs
113 --disable-ffmpeg disable ffmpeg build
114 --disable-ffplay disable ffplay build
115 --disable-ffprobe disable ffprobe build
116 --disable-ffserver disable ffserver build
118 Documentation options:
119 --disable-doc do not build documentation
120 --disable-htmlpages do not build HTML documentation pages
121 --disable-manpages do not build man documentation pages
122 --disable-podpages do not build POD documentation pages
123 --disable-txtpages do not build text documentation pages
126 --disable-avdevice disable libavdevice build
127 --disable-avcodec disable libavcodec build
128 --disable-avformat disable libavformat build
129 --disable-avutil disable libavutil build
130 --disable-swresample disable libswresample build
131 --disable-swscale disable libswscale build
132 --disable-postproc disable libpostproc build
133 --disable-avfilter disable libavfilter build
134 --enable-avresample enable libavresample build [no]
135 --disable-pthreads disable pthreads [auto]
136 --disable-w32threads disable Win32 threads [auto]
137 --disable-os2threads disable OS/2 threads [auto]
138 --disable-network disable network support [no]
139 --disable-dct disable DCT code
140 --disable-dwt disable DWT code
141 --disable-error-resilience disable error resilience code
142 --disable-lsp disable LSP code
143 --disable-lzo disable LZO decoder code
144 --disable-mdct disable MDCT code
145 --disable-rdft disable RDFT code
146 --disable-fft disable FFT code
148 Hardware accelerators:
149 --disable-dxva2 disable DXVA2 code [autodetect]
150 --disable-vaapi disable VAAPI code [autodetect]
151 --disable-vda disable VDA code [autodetect]
152 --disable-vdpau disable VDPAU code [autodetect]
154 Individual component options:
155 --disable-everything disable all components listed below
156 --disable-encoder=NAME disable encoder NAME
157 --enable-encoder=NAME enable encoder NAME
158 --disable-encoders disable all encoders
159 --disable-decoder=NAME disable decoder NAME
160 --enable-decoder=NAME enable decoder NAME
161 --disable-decoders disable all decoders
162 --disable-hwaccel=NAME disable hwaccel NAME
163 --enable-hwaccel=NAME enable hwaccel NAME
164 --disable-hwaccels disable all hwaccels
165 --disable-muxer=NAME disable muxer NAME
166 --enable-muxer=NAME enable muxer NAME
167 --disable-muxers disable all muxers
168 --disable-demuxer=NAME disable demuxer NAME
169 --enable-demuxer=NAME enable demuxer NAME
170 --disable-demuxers disable all demuxers
171 --enable-parser=NAME enable parser NAME
172 --disable-parser=NAME disable parser NAME
173 --disable-parsers disable all parsers
174 --enable-bsf=NAME enable bitstream filter NAME
175 --disable-bsf=NAME disable bitstream filter NAME
176 --disable-bsfs disable all bitstream filters
177 --enable-protocol=NAME enable protocol NAME
178 --disable-protocol=NAME disable protocol NAME
179 --disable-protocols disable all protocols
180 --enable-indev=NAME enable input device NAME
181 --disable-indev=NAME disable input device NAME
182 --disable-indevs disable input devices
183 --enable-outdev=NAME enable output device NAME
184 --disable-outdev=NAME disable output device NAME
185 --disable-outdevs disable output devices
186 --disable-devices disable all devices
187 --enable-filter=NAME enable filter NAME
188 --disable-filter=NAME disable filter NAME
189 --disable-filters disable all filters
191 External library support:
192 --enable-avisynth enable reading of AviSynth script files [no]
193 --disable-bzlib disable bzlib [autodetect]
194 --enable-fontconfig enable fontconfig
195 --enable-frei0r enable frei0r video filtering
196 --enable-gnutls enable gnutls [no]
197 --disable-iconv disable iconv [autodetect]
198 --enable-ladspa enable LADSPA audio filtering
199 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
200 --enable-libass enable libass subtitles rendering [no]
201 --enable-libbluray enable BluRay reading using libbluray [no]
202 --enable-libbs2b enable bs2b DSP library [no]
203 --enable-libcaca enable textual display using libcaca
204 --enable-libcelt enable CELT decoding via libcelt [no]
205 --enable-libcdio enable audio CD grabbing with libcdio
206 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
208 --enable-libfaac enable AAC encoding via libfaac [no]
209 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
210 --enable-libflite enable flite (voice synthesis) support via libflite [no]
211 --enable-libfreetype enable libfreetype [no]
212 --enable-libfribidi enable libfribidi [no]
213 --enable-libgme enable Game Music Emu via libgme [no]
214 --enable-libgsm enable GSM de/encoding via libgsm [no]
215 --enable-libiec61883 enable iec61883 via libiec61883 [no]
216 --enable-libilbc enable iLBC de/encoding via libilbc [no]
217 --enable-libmodplug enable ModPlug via libmodplug [no]
218 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
219 --enable-libnut enable NUT (de)muxing via libnut,
220 native (de)muxer exists [no]
221 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
222 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
223 --enable-libopencv enable video filtering via libopencv [no]
224 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
225 --enable-libopus enable Opus de/encoding via libopus [no]
226 --enable-libpulse enable Pulseaudio input via libpulse [no]
227 --enable-libquvi enable quvi input via libquvi [no]
228 --enable-librtmp enable RTMP[E] support via librtmp [no]
229 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
230 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
231 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
232 --enable-libsoxr enable Include libsoxr resampling [no]
233 --enable-libspeex enable Speex de/encoding via libspeex [no]
234 --enable-libssh enable SFTP protocol via libssh [no]
235 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
236 --enable-libtheora enable Theora encoding via libtheora [no]
237 --enable-libtwolame enable MP2 encoding via libtwolame [no]
238 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
239 --enable-libv4l2 enable libv4l2/v4l-utils [no]
240 --enable-libvidstab enable video stabilization using vid.stab [no]
241 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
242 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
243 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
244 native implementation exists [no]
245 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
246 --enable-libwavpack enable wavpack encoding via libwavpack [no]
247 --enable-libwebp enable WebP encoding via libwebp [no]
248 --enable-libx264 enable H.264 encoding via x264 [no]
249 --enable-libx265 enable HEVC encoding via x265 [no]
250 --enable-libxavs enable AVS encoding via xavs [no]
251 --enable-libxvid enable Xvid encoding via xvidcore,
252 native MPEG-4/Xvid encoder exists [no]
253 --enable-libzmq enable message passing via libzmq [no]
254 --enable-libzvbi enable teletext support via libzvbi [no]
255 --enable-decklink enable Blackmagick DeckLink output [no]
256 --enable-openal enable OpenAL 1.1 capture support [no]
257 --enable-opencl enable OpenCL code
258 --enable-opengl enable OpenGL rendering [no]
259 --enable-openssl enable openssl [no]
260 --enable-x11grab enable X11 grabbing [no]
261 --disable-xlib disable xlib [autodetect]
262 --disable-zlib disable zlib [autodetect]
265 --arch=ARCH select architecture [$arch]
266 --cpu=CPU select the minimum required CPU (affects
267 instruction selection, may crash on older CPUs)
268 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
269 --progs-suffix=SUFFIX program name suffix []
270 --enable-cross-compile assume a cross-compiler is used
271 --sysroot=PATH root of cross-build tree
272 --sysinclude=PATH location of cross-build system headers
273 --target-os=OS compiler targets OS [$target_os]
274 --target-exec=CMD command to run executables on target
275 --target-path=DIR path to view of build directory on target
276 --target-samples=DIR path to samples directory on target
277 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
278 --toolchain=NAME set tool defaults according to NAME
279 --nm=NM use nm tool NM [$nm_default]
280 --ar=AR use archive tool AR [$ar_default]
281 --as=AS use assembler AS [$as_default]
282 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
283 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
284 --cc=CC use C compiler CC [$cc_default]
285 --cxx=CXX use C compiler CXX [$cxx_default]
286 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
287 --ld=LD use linker LD [$ld_default]
288 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
289 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
290 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
291 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
292 --host-cc=HOSTCC use host C compiler HOSTCC
293 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
294 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
295 --host-ld=HOSTLD use host linker HOSTLD
296 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
297 --host-libs=HLIBS use libs HLIBS when linking for host
298 --host-os=OS compiler host OS [$target_os]
299 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
300 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
301 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
302 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
303 --extra-libs=ELIBS add ELIBS [$ELIBS]
304 --extra-version=STRING version string suffix []
305 --optflags=OPTFLAGS override optimization-related compiler flags
306 --build-suffix=SUFFIX library name suffix []
307 --enable-pic build position-independent code
308 --enable-thumb compile for Thumb instruction set
309 --enable-lto use link-time optimization
311 Advanced options (experts only):
312 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
313 --disable-symver disable symbol versioning
314 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
315 --disable-safe-bitstream-reader
316 disable buffer boundary checking in bitreaders
317 (faster, but may crash)
318 --enable-memalign-hack emulate memalign, interferes with memory debuggers
319 --enable-sram allow use of on-chip SRAM
320 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
322 Optimization options (experts only):
323 --disable-asm disable all assembly optimizations
324 --disable-altivec disable AltiVec optimizations
325 --disable-amd3dnow disable 3DNow! optimizations
326 --disable-amd3dnowext disable 3DNow! extended optimizations
327 --disable-mmx disable MMX optimizations
328 --disable-mmxext disable MMXEXT optimizations
329 --disable-sse disable SSE optimizations
330 --disable-sse2 disable SSE2 optimizations
331 --disable-sse3 disable SSE3 optimizations
332 --disable-ssse3 disable SSSE3 optimizations
333 --disable-sse4 disable SSE4 optimizations
334 --disable-sse42 disable SSE4.2 optimizations
335 --disable-avx disable AVX optimizations
336 --disable-xop disable XOP optimizations
337 --disable-fma3 disable FMA3 optimizations
338 --disable-fma4 disable FMA4 optimizations
339 --disable-avx2 disable AVX2 optimizations
340 --disable-armv5te disable armv5te optimizations
341 --disable-armv6 disable armv6 optimizations
342 --disable-armv6t2 disable armv6t2 optimizations
343 --disable-vfp disable VFP optimizations
344 --disable-neon disable NEON optimizations
345 --disable-inline-asm disable use of inline assembly
346 --disable-yasm disable use of nasm/yasm assembly
347 --disable-mips32r2 disable MIPS32R2 optimizations
348 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
349 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
350 --disable-mipsfpu disable floating point MIPS optimizations
351 --disable-fast-unaligned consider unaligned accesses slow
353 Developer options (useful when working on FFmpeg itself):
354 --disable-debug disable debugging symbols
355 --enable-debug=LEVEL set the debug level [$debuglevel]
356 --disable-optimizations disable compiler optimizations
357 --enable-extra-warnings enable more compiler warnings
358 --disable-stripping disable stripping of executables and shared libraries
359 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
360 2 causes a slowdown at runtime.
361 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
362 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
363 leaks and errors, using the specified valgrind binary.
364 Cannot be combined with --target-exec
365 --enable-ftrapv Trap arithmetic overflows
366 --samples=PATH location of test samples for FATE, if not set use
367 \$FATE_SAMPLES at make invocation time.
368 --enable-neon-clobber-test check NEON registers for clobbering (should be
369 used only for debugging purposes)
370 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
371 should be used only for debugging purposes)
372 --enable-random randomly enable/disable components
374 --enable-random=LIST randomly enable/disable specific components or
375 --disable-random=LIST component groups. LIST is a comma-separated list
376 of NAME[:PROB] entries where NAME is a component
377 (group) and PROB the probability associated with
379 --random-seed=VALUE seed value for --enable/disable-random
381 NOTE: Object files are built at the place where configure is launched.
389 echo "$@" >> $logfile
394 pr -n -t $1 >> $logfile
405 WARNINGS="${WARNINGS}WARNING: $*\n"
412 If you think configure made a mistake, make sure you are using the latest
413 version from Git. If the latest version fails, report the problem to the
414 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
416 if disabled logging; then
418 Rerun configure with logging enabled (do not use --disable-logging), and
419 include the log this produces with your report.
423 Include the log file "$logfile" produced by configure as this will help
430 # Avoid locale weirdness, besides we really just want to translate ASCII.
432 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
436 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
440 echo "$*" | sed 's/["\\]/\\\0/g'
444 v=$(echo "$1" | sed "s/'/'\\\\''/g")
445 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
450 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g'
457 eval "case $v in $pat) echo $v ;; esac"
465 eval "case $v in $pat) ;; *) echo $v ;; esac"
472 for v; do eval $m; done
478 for v; do echo ${v}${suffix}; done
493 eval : \${$var:=$value}
498 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
504 eval $(sanitize_var_name "$var")='$*'
508 eval echo \$$(sanitize_var_name "$1")
513 eval level=\${${pvar}_level:=0}
514 eval ${pvar}_${level}="\$$pvar"
515 eval ${pvar}_level=$(($level+1))
521 eval level=\${${pvar}_level:-0}
522 test $level = 0 && continue
523 eval level=$(($level-1))
524 eval $pvar="\${${pvar}_${level}}"
525 eval ${pvar}_level=$level
526 eval unset ${pvar}_${level}
548 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
554 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
560 enabled $var && continue
561 eval sel="\$${var}_select"
562 eval sgs="\$${var}_suggest"
566 enable_deep_weak $sgs
578 disabled $var && continue
587 test "${1#!}" = "$1" && op== || op=!=
588 eval test "x\$${1#!}" $op "xyes"
592 test "${1#!}" = "$1" && op== || op=!=
593 eval test "x\$${1#!}" $op "xno"
598 enabled $opt || return 1
604 disabled $opt || return 1
610 enabled $opt && return 0
616 disabled $opt && return 0
623 eval : \${$opt:=\$${opt}_default}
631 [ $var = $value ] && return 0
639 enabled ${cfg}_checking && die "Circular dependency for $cfg."
640 disabled ${cfg}_checking && continue
641 enable ${cfg}_checking
644 eval dep_all="\$${cfg}_deps"
645 eval dep_any="\$${cfg}_deps_any"
646 eval dep_sel="\$${cfg}_select"
647 eval dep_sgs="\$${cfg}_suggest"
648 eval dep_ifa="\$${cfg}_if"
649 eval dep_ifn="\$${cfg}_if_any"
651 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
652 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
653 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
655 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
656 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
657 enabled_all $dep_all || disable $cfg
658 enabled_any $dep_any || disable $cfg
659 disabled_any $dep_sel && disable $cfg
661 if enabled $cfg; then
663 enable_deep_weak $dep_sgs
666 disable ${cfg}_checking
675 for cfg in $allopts; do
676 enabled $cfg || continue
677 eval dep_extralibs="\$${cfg}_extralibs"
678 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
686 map 'eval echo "$v \${$v:-no}"' "$@" |
687 awk "BEGIN { split(\"$files\", files) }
689 c = \"$pfx\" toupper(\$1);
695 if (file ~ /\\.h\$/) {
696 printf(\"#define %s %d\\n\", c, v) >>file;
697 } else if (file ~ /\\.asm\$/) {
698 printf(\"%%define %s %d\\n\", c, v) >>file;
699 } else if (file ~ /\\.mak\$/) {
700 n = -v ? \"\" : \"!\";
701 printf(\"%s%s=yes\\n\", n, c) >>file;
702 } else if (file ~ /\\.texi\$/) {
703 pre = -v ? \"\" : \"@c \";
706 gsub(/_/, \"-\", c2);
707 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
717 enabled $v && printf "%s\n" ${v%$suf};
724 eval "$var=\"\$$var $*\""
730 eval "$var=\"$* \$$var\""
736 for tok in $(eval echo \$$var); do
737 uniq_list="$(filter_out $tok $uniq_list) $tok"
739 eval "$var=\"${uniq_list}\""
747 append CFLAGS $($cflags_filter "$@")
751 append CXXFLAGS $($cflags_filter "$@")
755 append ASFLAGS $($asflags_filter "$@")
759 append LDFLAGS $($ldflags_filter "$@")
763 append LDEXEFLAGS $($ldflags_filter "$@")
767 append ASMSTRIPFLAGS "$@"
771 prepend extralibs $($ldflags_filter "$@")
775 append host_cppflags "$@"
779 append host_cflags $($host_cflags_filter "$@")
783 append host_ldflags $($host_ldflags_filter "$@")
787 append compat_objs $1
789 map 'add_cppflags -D$v' "$@"
794 "$@" >> $logfile 2>&1
799 stat "$1" >> $logfile 2>&1
803 eval printf '%s\\n' $CC_O
807 eval printf '%s\\n' $CC_E
814 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
821 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
828 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
835 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
839 eval printf '%s\\n' $AS_O
846 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
850 log check_inline_asm "$@"
855 check_cc "$@" <<EOF && enable $name
856 void foo(void){ __asm__ volatile($code); }
862 check_inline_asm ${1}_inline "\"$2\""
863 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
871 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
875 eval printf '%s\\n' $LD_O
882 flags=$(filter_out '-l*|*.so' $@)
883 libs=$(filter '-l*|*.so' $@)
884 check_$type $($cflags_filter $flags) || return
885 flags=$($ldflags_filter $flags)
886 libs=$($ldflags_filter $libs)
887 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
892 test "${hdr%.h}" = "${hdr}" &&
893 echo "#include $hdr" ||
894 echo "#include <$hdr>"
904 for hdr in $headers; do
907 echo "int main(void) { $code; return 0; }"
908 } | check_$check "$@"
912 log check_cppflags "$@"
913 check_cc "$@" <<EOF && append CPPFLAGS "$@"
920 set -- $($cflags_filter "$@")
927 log check_cflags "$@"
928 test_cflags "$@" && add_cflags "$@"
932 log check_cxxflags "$@"
933 set -- $($cflags_filter "$@")
934 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
940 log test_ldflags "$@"
941 check_ld "cc" "$@" <<EOF
942 int main(void){ return 0; }
947 log check_ldflags "$@"
948 test_ldflags "$@" && add_ldflags "$@"
952 log test_stripflags "$@"
953 # call check_cc to get a fresh TMPO
955 int main(void) { return 0; }
957 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
961 log check_stripflags "$@"
962 test_stripflags "$@" && add_stripflags "$@"
966 log check_header "$@"
970 check_cpp "$@" <<EOF && enable_safe $header
977 log check_header_oc "$@"
983 echo "#include <$header>"
984 echo "int main(void) { return 0; }"
985 } | check_oc && check_stat "$TMPO" && enable_safe $headers
993 check_ld "cc" "$@" <<EOF && enable $func
995 int main(void){ $func(); }
1000 log check_mathfunc "$@"
1004 test $narg = 2 && args="f, g" || args="f"
1006 check_ld "cc" "$@" <<EOF && enable $func
1008 float foo(float f, float g) { return $func($args); }
1009 int main(void){ return (int) foo; }
1013 check_func_headers(){
1014 log check_func_headers "$@"
1019 for hdr in $headers; do
1022 for func in $funcs; do
1023 echo "long check_$func(void) { return (long) $func; }"
1025 echo "int main(void) { return 0; }"
1026 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1029 check_class_headers_cpp(){
1030 log check_class_headers_cpp "$@"
1035 for hdr in $headers; do
1036 echo "#include <$hdr>"
1038 echo "int main(void) { "
1040 for class in $classes; do
1041 echo "$class obj$i;"
1045 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1048 check_cpp_condition(){
1049 log check_cpp_condition "$@"
1053 check_cpp "$@" <<EOF
1056 #error "unsatisfied condition: $condition"
1066 check_header $header && check_func $func "$@" && add_extralibs "$@"
1074 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1078 log check_lib_cpp "$@"
1082 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1086 log check_pkg_config "$@"
1092 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1093 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1094 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1095 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1096 set_safe ${pkg}_cflags $pkg_cflags &&
1097 set_safe ${pkg}_libs $pkg_libs
1101 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1107 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1108 # are safe but may not be available everywhere. Thus we use
1109 # raise(SIGTERM) instead. The check is run in a subshell so we
1110 # can redirect the "Terminated" message from the shell. SIGBUS
1111 # is not defined by standard C so it is used conditionally.
1113 (check_exec "$@") >> $logfile 2>&1 <<EOF
1115 static void sighandler(int sig){
1121 int (*func_ptr)(void) = foo;
1123 signal(SIGILL, sighandler);
1124 signal(SIGFPE, sighandler);
1125 signal(SIGSEGV, sighandler);
1127 signal(SIGBUS, sighandler);
1139 disable_safe "$type"
1140 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1144 log check_struct "$@"
1149 disable_safe "${struct}_${member}"
1150 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1151 enable_safe "${struct}_${member}"
1155 log check_builtin "$@"
1161 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1164 check_compile_assert(){
1165 log check_compile_assert "$@"
1171 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1179 check_lib $header $func "$@" || die "ERROR: $name not found"
1187 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1195 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1198 require_pkg_config(){
1200 check_pkg_config "$@" || die "ERROR: $pkg not found"
1201 add_cflags $(get_safe ${pkg}_cflags)
1202 add_extralibs $(get_safe ${pkg}_libs)
1205 require_libfreetype(){
1206 log require_libfreetype "$@"
1208 check_cmd $pkg_config --exists --print-errors $pkg \
1209 || die "ERROR: $pkg not found"
1210 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1211 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1213 echo "#include <ft2build.h>"
1214 echo "#include FT_FREETYPE_H"
1215 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1216 echo "int main(void) { return 0; }"
1217 } | check_ld "cc" $pkg_cflags $pkg_libs \
1218 && set_safe ${pkg}_cflags $pkg_cflags \
1219 && set_safe ${pkg}_libs $pkg_libs \
1220 || die "ERROR: $pkg not found"
1221 add_cflags $(get_safe ${pkg}_cflags)
1222 add_extralibs $(get_safe ${pkg}_libs)
1226 eval printf '%s\\n' $HOSTCC_E
1230 eval printf '%s\\n' $HOSTCC_O
1234 log check_host_cc "$@"
1237 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1241 log check_host_cpp "$@"
1244 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1247 check_host_cppflags(){
1248 log check_host_cppflags "$@"
1249 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1254 check_host_cflags(){
1255 log check_host_cflags "$@"
1256 set -- $($host_cflags_filter "$@")
1257 check_host_cc "$@" <<EOF && append host_cflags "$@"
1262 check_host_cpp_condition(){
1263 log check_host_cpp_condition "$@"
1267 check_host_cpp "$@" <<EOF
1270 #error "unsatisfied condition: $condition"
1278 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1282 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1283 mkdir -p "$(dirname $2)"
1287 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1288 # system-dependent things.
1305 avio_reading_example
1306 decoding_encoding_example
1307 demuxing_decoding_example
1308 filter_audio_example
1309 filtering_audio_example
1310 filtering_video_example
1314 resampling_audio_example
1315 scaling_video_example
1316 transcode_aac_example
1320 EXTERNAL_LIBRARY_LIST="
1404 safe_bitstream_reader
1462 $EXTERNAL_LIBRARY_LIST
1470 incompatible_libav_abi
1530 ARCH_EXT_LIST_MIPS="
1537 ARCH_EXT_LIST_X86_SIMD="
1564 $ARCH_EXT_LIST_X86_SIMD
1595 sync_val_compare_and_swap
1606 incompatible_libav_abi
1615 cdio_paranoia_paranoia_h
1617 dev_bktr_ioctl_bt848_h
1618 dev_bktr_ioctl_meteor_h
1620 dev_video_bktr_ioctl_bt848_h
1621 dev_video_meteor_ioctl_meteor_h
1629 machine_ioctl_bt848_h
1630 machine_ioctl_meteor_h
1632 openjpeg_1_5_openjpeg_h
1699 GetProcessAffinityMask
1700 GetProcessMemoryInfo
1704 GetSystemTimeAsFileTime
1710 jack_port_get_latency_range
1725 SetConsoleTextAttribute
1737 TOOLCHAIN_FEATURES="
1749 inline_asm_nonlocal_labels
1750 inline_asm_direct_symbol_refs
1763 struct_group_source_req
1764 struct_ip_mreq_source
1767 struct_rusage_ru_maxrss
1768 struct_sctp_event_subscribe
1770 struct_sockaddr_sa_len
1771 struct_sockaddr_storage
1772 struct_stat_st_mtim_tv_nsec
1773 struct_v4l2_frmivalenum_discrete
1778 $(add_suffix _external $ARCH_EXT_LIST)
1779 $(add_suffix _inline $ARCH_EXT_LIST)
1809 # options emitted with CONFIG_ prefix but not available on the command line
1821 frame_thread_encoder
1941 # code dependency declarations
1943 # architecture extensions
1948 armv8_deps="aarch64"
1949 neon_deps_any="aarch64 arm"
1950 intrinsics_neon_deps="neon"
1951 vfp_deps_any="aarch64 arm"
1954 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1957 mips32r2_deps="mips"
1958 mipsdspr1_deps="mips"
1959 mipsdspr2_deps="mips"
1966 x86_64_select="i686"
1967 x86_64_suggest="fast_cmov"
1970 amd3dnowext_deps="amd3dnow"
1986 mmx_external_deps="yasm"
1987 mmx_inline_deps="inline_asm"
1988 mmx_suggest="mmx_external mmx_inline"
1990 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1991 eval dep=\$${ext}_deps
1992 eval ${ext}_external_deps='"${dep}_external"'
1993 eval ${ext}_inline_deps='"${dep}_inline"'
1994 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1997 aligned_stack_if_any="aarch64 ppc x86"
1998 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1999 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2000 fast_unaligned_if_any="aarch64 ppc x86"
2001 simd_align_16_if_any="altivec neon sse"
2003 # system capabilities
2005 symver_if_any="symver_asm_label symver_gnu_asm"
2008 atomics_gcc_if="sync_val_compare_and_swap"
2009 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2010 atomics_win32_if="MemoryBarrier"
2011 atomics_native_if_any="$ATOMICS_LIST"
2012 w32threads_deps="atomics_native"
2013 threads_if_any="$THREADS_LIST"
2017 error_resilience_select="me_cmp"
2018 frame_thread_encoder_deps="encoders threads"
2019 intrax8_select="error_resilience"
2022 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2023 mpeg_er_select="error_resilience"
2024 mpegaudio_select="mpegaudiodsp"
2025 mpegaudiodsp_select="dct"
2026 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"
2027 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2029 # decoders / encoders
2030 aac_decoder_select="mdct sinewin"
2031 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
2032 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2033 ac3_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2034 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2035 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2036 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2037 aic_decoder_select="golomb idctdsp"
2038 alac_encoder_select="lpc"
2039 als_decoder_select="bswapdsp"
2040 amrnb_decoder_select="lsp"
2041 amrwb_decoder_select="lsp"
2042 amv_decoder_select="sp5x_decoder exif"
2043 amv_encoder_select="aandcttables mpegvideoenc"
2044 ape_decoder_select="bswapdsp llauddsp"
2045 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2046 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2047 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2048 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2049 atrac1_decoder_select="mdct sinewin"
2050 atrac3_decoder_select="mdct"
2051 atrac3p_decoder_select="mdct sinewin"
2052 avrn_decoder_select="exif"
2053 bink_decoder_select="blockdsp hpeldsp"
2054 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
2055 binkaudio_rdft_decoder_select="mdct rdft sinewin"
2056 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2057 cllc_decoder_select="bswapdsp"
2058 comfortnoise_encoder_select="lpc"
2059 cook_decoder_select="audiodsp mdct sinewin"
2060 cscd_decoder_select="lzo"
2061 cscd_decoder_suggest="zlib"
2062 dca_decoder_select="mdct"
2063 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2064 dnxhd_decoder_select="blockdsp idctdsp"
2065 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2066 dvvideo_decoder_select="dvprofile idctdsp"
2067 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2068 dxa_decoder_select="zlib"
2069 eac3_decoder_select="ac3_decoder"
2070 eac3_encoder_select="ac3_encoder"
2071 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2072 eatgq_decoder_select="aandcttables"
2073 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2074 exr_decoder_select="zlib"
2075 ffv1_decoder_select="golomb rangecoder"
2076 ffv1_encoder_select="rangecoder"
2077 ffvhuff_decoder_select="huffyuv_decoder"
2078 ffvhuff_encoder_select="huffyuv_encoder"
2079 fic_decoder_select="golomb"
2080 flac_decoder_select="golomb"
2081 flac_encoder_select="bswapdsp golomb lpc"
2082 flashsv_decoder_select="zlib"
2083 flashsv_encoder_select="zlib"
2084 flashsv2_encoder_select="zlib"
2085 flashsv2_decoder_select="zlib"
2086 flv_decoder_select="h263_decoder"
2087 flv_encoder_select="h263_encoder"
2088 fourxm_decoder_select="blockdsp bswapdsp"
2089 fraps_decoder_select="bswapdsp huffman"
2090 g2m_decoder_select="blockdsp idctdsp zlib"
2091 g729_decoder_select="audiodsp"
2092 h261_decoder_select="mpeg_er mpegvideo"
2093 h261_encoder_select="aandcttables mpegvideoenc"
2094 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2095 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2096 h263i_decoder_select="h263_decoder"
2097 h263p_encoder_select="h263_encoder"
2098 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
2099 h264_decoder_suggest="error_resilience"
2100 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2101 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2102 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2103 iac_decoder_select="imc_decoder"
2104 imc_decoder_select="bswapdsp fft mdct sinewin"
2105 indeo3_decoder_select="hpeldsp"
2106 interplay_video_decoder_select="hpeldsp"
2107 jpegls_decoder_select="golomb mjpeg_decoder"
2108 jpegls_encoder_select="golomb"
2109 jv_decoder_select="blockdsp"
2110 lagarith_decoder_select="huffyuvdsp"
2111 ljpeg_encoder_select="aandcttables idctdsp"
2112 loco_decoder_select="golomb"
2113 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2114 metasound_decoder_select="lsp mdct sinewin"
2115 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2116 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp"
2117 mjpeg_encoder_select="aandcttables mpegvideoenc"
2118 mjpegb_decoder_select="mjpeg_decoder"
2119 mlp_decoder_select="mlp_parser"
2120 motionpixels_decoder_select="bswapdsp"
2121 mp1_decoder_select="mpegaudio"
2122 mp1float_decoder_select="mpegaudio"
2123 mp2_decoder_select="mpegaudio"
2124 mp2float_decoder_select="mpegaudio"
2125 mp3_decoder_select="mpegaudio"
2126 mp3adu_decoder_select="mpegaudio"
2127 mp3adufloat_decoder_select="mpegaudio"
2128 mp3float_decoder_select="mpegaudio"
2129 mp3on4_decoder_select="mpegaudio"
2130 mp3on4float_decoder_select="mpegaudio"
2131 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2132 mpc8_decoder_select="mpegaudiodsp"
2133 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2134 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2135 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2136 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2137 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2138 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2139 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2140 mpeg4_encoder_select="h263_encoder"
2141 msmpeg4v1_decoder_select="h263_decoder"
2142 msmpeg4v2_decoder_select="h263_decoder"
2143 msmpeg4v2_encoder_select="h263_encoder"
2144 msmpeg4v3_decoder_select="h263_decoder"
2145 msmpeg4v3_encoder_select="h263_encoder"
2146 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2147 mxpeg_decoder_select="mjpeg_decoder"
2148 nellymoser_decoder_select="mdct sinewin"
2149 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2150 nuv_decoder_select="idctdsp lzo"
2151 on2avc_decoder_select="mdct"
2152 opus_decoder_deps="swresample"
2153 png_decoder_select="zlib"
2154 png_encoder_select="huffyuvencdsp zlib"
2155 prores_decoder_select="blockdsp idctdsp"
2156 prores_encoder_select="fdctdsp"
2157 qcelp_decoder_select="lsp"
2158 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2159 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2160 ra_144_decoder_select="audiodsp"
2161 ralf_decoder_select="golomb"
2162 rawvideo_decoder_select="bswapdsp"
2163 rtjpeg_decoder_select="me_cmp"
2164 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2165 rv10_encoder_select="h263_encoder"
2166 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2167 rv20_encoder_select="h263_encoder"
2168 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2169 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2170 shorten_decoder_select="golomb"
2171 sipr_decoder_select="lsp"
2172 snow_decoder_select="dwt h264qpel hpeldsp rangecoder"
2173 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2174 sonic_decoder_select="golomb rangecoder"
2175 sonic_encoder_select="golomb rangecoder"
2176 sonic_ls_encoder_select="golomb rangecoder"
2177 sp5x_decoder_select="mjpeg_decoder"
2178 svq1_decoder_select="hpeldsp"
2179 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2180 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2181 svq3_decoder_suggest="zlib"
2182 tak_decoder_select="audiodsp"
2183 theora_decoder_select="vp3_decoder"
2184 thp_decoder_select="mjpeg_decoder"
2185 tiff_decoder_suggest="zlib"
2186 tiff_encoder_suggest="zlib"
2187 truehd_decoder_select="mlp_parser"
2188 truemotion2_decoder_select="bswapdsp"
2189 truespeech_decoder_select="bswapdsp"
2190 tscc_decoder_select="zlib"
2191 twinvq_decoder_select="mdct lsp sinewin"
2192 utvideo_decoder_select="bswapdsp"
2193 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2194 vble_decoder_select="huffyuvdsp"
2195 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp"
2196 vc1image_decoder_select="vc1_decoder"
2197 vorbis_decoder_select="mdct"
2198 vorbis_encoder_select="mdct"
2199 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2200 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2201 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2202 vp6a_decoder_select="vp6_decoder"
2203 vp6f_decoder_select="vp6_decoder"
2204 vp7_decoder_select="h264pred videodsp"
2205 vp8_decoder_select="h264pred videodsp"
2206 vp9_decoder_select="videodsp vp9_parser"
2207 webp_decoder_select="vp8_decoder"
2208 wmalossless_decoder_select="llauddsp"
2209 wmapro_decoder_select="mdct sinewin"
2210 wmav1_decoder_select="mdct sinewin"
2211 wmav1_encoder_select="mdct sinewin"
2212 wmav2_decoder_select="mdct sinewin"
2213 wmav2_encoder_select="mdct sinewin"
2214 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2215 wmv1_decoder_select="h263_decoder"
2216 wmv1_encoder_select="h263_encoder"
2217 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
2218 wmv2_encoder_select="h263_encoder"
2219 wmv3_decoder_select="vc1_decoder"
2220 wmv3image_decoder_select="wmv3_decoder"
2221 zerocodec_decoder_select="zlib"
2222 zlib_decoder_select="zlib"
2223 zlib_encoder_select="zlib"
2224 zmbv_decoder_select="zlib"
2225 zmbv_encoder_select="zlib"
2227 # hardware accelerators
2228 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2229 dxva2_deps="dxva2api_h"
2230 vaapi_deps="va_va_h"
2231 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2232 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2233 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2234 xvmc_deps="X11_extensions_XvMClib_h"
2236 h263_vaapi_hwaccel_deps="vaapi"
2237 h263_vaapi_hwaccel_select="h263_decoder"
2238 h263_vdpau_hwaccel_deps="vdpau"
2239 h263_vdpau_hwaccel_select="h263_decoder"
2240 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2241 h264_dxva2_hwaccel_deps="dxva2"
2242 h264_dxva2_hwaccel_select="h264_decoder"
2243 h264_vaapi_hwaccel_deps="vaapi"
2244 h264_vaapi_hwaccel_select="h264_decoder"
2245 h264_vda_decoder_deps="vda"
2246 h264_vda_decoder_select="h264_decoder"
2247 h264_vda_hwaccel_deps="vda"
2248 h264_vda_hwaccel_select="h264_decoder"
2249 h264_vda_old_hwaccel_deps="vda"
2250 h264_vda_old_hwaccel_select="h264_decoder"
2251 h264_vdpau_decoder_deps="vdpau"
2252 h264_vdpau_decoder_select="h264_decoder"
2253 h264_vdpau_hwaccel_deps="vdpau"
2254 h264_vdpau_hwaccel_select="h264_decoder"
2255 mpeg_vdpau_decoder_deps="vdpau"
2256 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2257 mpeg_xvmc_hwaccel_deps="xvmc"
2258 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2259 mpeg1_vdpau_decoder_deps="vdpau"
2260 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2261 mpeg1_vdpau_hwaccel_deps="vdpau"
2262 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2263 mpeg1_xvmc_hwaccel_deps="xvmc"
2264 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2265 mpeg2_crystalhd_decoder_select="crystalhd"
2266 mpeg2_dxva2_hwaccel_deps="dxva2"
2267 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2268 mpeg2_vaapi_hwaccel_deps="vaapi"
2269 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2270 mpeg2_vdpau_hwaccel_deps="vdpau"
2271 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2272 mpeg2_xvmc_hwaccel_deps="xvmc"
2273 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2274 mpeg4_crystalhd_decoder_select="crystalhd"
2275 mpeg4_vaapi_hwaccel_deps="vaapi"
2276 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2277 mpeg4_vdpau_decoder_deps="vdpau"
2278 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2279 mpeg4_vdpau_hwaccel_deps="vdpau"
2280 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2281 msmpeg4_crystalhd_decoder_select="crystalhd"
2282 vc1_crystalhd_decoder_select="crystalhd"
2283 vc1_dxva2_hwaccel_deps="dxva2"
2284 vc1_dxva2_hwaccel_select="vc1_decoder"
2285 vc1_vaapi_hwaccel_deps="vaapi"
2286 vc1_vaapi_hwaccel_select="vc1_decoder"
2287 vc1_vdpau_decoder_deps="vdpau"
2288 vc1_vdpau_decoder_select="vc1_decoder"
2289 vc1_vdpau_hwaccel_deps="vdpau"
2290 vc1_vdpau_hwaccel_select="vc1_decoder"
2291 wmv3_crystalhd_decoder_select="crystalhd"
2292 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2293 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2294 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2295 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2298 h264_parser_select="h264_decoder"
2299 hevc_parser_select="hevc_decoder"
2300 mpegvideo_parser_select="mpegvideo"
2301 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2302 vc1_parser_select="mpegvideo vc1_decoder"
2304 # external libraries
2305 libaacplus_encoder_deps="libaacplus"
2306 libcelt_decoder_deps="libcelt"
2307 libfaac_encoder_deps="libfaac"
2308 libfaac_encoder_select="audio_frame_queue"
2309 libfdk_aac_decoder_deps="libfdk_aac"
2310 libfdk_aac_encoder_deps="libfdk_aac"
2311 libfdk_aac_encoder_select="audio_frame_queue"
2312 libgme_demuxer_deps="libgme"
2313 libgsm_decoder_deps="libgsm"
2314 libgsm_encoder_deps="libgsm"
2315 libgsm_ms_decoder_deps="libgsm"
2316 libgsm_ms_encoder_deps="libgsm"
2317 libilbc_decoder_deps="libilbc"
2318 libilbc_encoder_deps="libilbc"
2319 libmodplug_demuxer_deps="libmodplug"
2320 libmp3lame_encoder_deps="libmp3lame"
2321 libmp3lame_encoder_select="audio_frame_queue"
2322 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2323 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2324 libopencore_amrnb_encoder_select="audio_frame_queue"
2325 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2326 libopenjpeg_decoder_deps="libopenjpeg"
2327 libopenjpeg_encoder_deps="libopenjpeg"
2328 libopus_decoder_deps="libopus"
2329 libopus_encoder_deps="libopus"
2330 libopus_encoder_select="audio_frame_queue"
2331 libquvi_demuxer_deps="libquvi"
2332 libschroedinger_decoder_deps="libschroedinger"
2333 libschroedinger_encoder_deps="libschroedinger"
2334 libshine_encoder_deps="libshine"
2335 libshine_encoder_select="audio_frame_queue"
2336 libspeex_decoder_deps="libspeex"
2337 libspeex_encoder_deps="libspeex"
2338 libspeex_encoder_select="audio_frame_queue"
2339 libstagefright_h264_decoder_deps="libstagefright_h264"
2340 libtheora_encoder_deps="libtheora"
2341 libtwolame_encoder_deps="libtwolame"
2342 libvo_aacenc_encoder_deps="libvo_aacenc"
2343 libvo_aacenc_encoder_select="audio_frame_queue"
2344 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2345 libvorbis_decoder_deps="libvorbis"
2346 libvorbis_encoder_deps="libvorbis"
2347 libvorbis_encoder_select="audio_frame_queue"
2348 libvpx_vp8_decoder_deps="libvpx"
2349 libvpx_vp8_encoder_deps="libvpx"
2350 libvpx_vp9_decoder_deps="libvpx"
2351 libvpx_vp9_encoder_deps="libvpx"
2352 libwavpack_encoder_deps="libwavpack"
2353 libwebp_encoder_deps="libwebp"
2354 libx264_encoder_deps="libx264"
2355 libx264rgb_encoder_deps="libx264"
2356 libx265_encoder_deps="libx265"
2357 libxavs_encoder_deps="libxavs"
2358 libxvid_encoder_deps="libxvid"
2359 libutvideo_decoder_deps="libutvideo"
2360 libutvideo_encoder_deps="libutvideo"
2361 libzvbi_teletext_decoder_deps="libzvbi"
2364 ac3_demuxer_select="ac3_parser"
2365 asf_demuxer_select="riffdec"
2366 asf_muxer_select="riffenc"
2367 asf_stream_muxer_select="asf_muxer"
2368 avi_demuxer_select="riffdec exif"
2369 avi_muxer_select="riffenc"
2370 avisynth_demuxer_deps="avisynth"
2371 avisynth_demuxer_select="riffdec"
2372 caf_demuxer_select="riffdec"
2373 dirac_demuxer_select="dirac_parser"
2374 dts_demuxer_select="dca_parser"
2375 dtshd_demuxer_select="dca_parser"
2376 dv_demuxer_select="dvprofile"
2377 dv_muxer_select="dvprofile"
2378 dxa_demuxer_select="riffdec"
2379 eac3_demuxer_select="ac3_parser"
2380 f4v_muxer_select="mov_muxer"
2381 flac_demuxer_select="flac_parser"
2382 hds_muxer_select="flv_muxer"
2383 hls_muxer_select="mpegts_muxer"
2384 image2_alias_pix_demuxer_select="image2_demuxer"
2385 image2_brender_pix_demuxer_select="image2_demuxer"
2386 ipod_muxer_select="mov_muxer"
2387 ismv_muxer_select="mov_muxer"
2388 libnut_demuxer_deps="libnut"
2389 libnut_muxer_deps="libnut"
2390 matroska_audio_muxer_select="matroska_muxer"
2391 matroska_demuxer_select="riffdec"
2392 matroska_demuxer_suggest="bzlib lzo zlib"
2393 matroska_muxer_select="riffenc"
2394 mmf_muxer_select="riffenc"
2395 mov_demuxer_select="riffdec"
2396 mov_demuxer_suggest="zlib"
2397 mov_muxer_select="riffenc rtpenc_chain"
2398 mp3_demuxer_select="mpegaudio_parser"
2399 mp4_muxer_select="mov_muxer"
2400 mpegts_muxer_select="adts_muxer latm_muxer"
2401 mpegtsraw_demuxer_select="mpegts_demuxer"
2402 mxf_d10_muxer_select="mxf_muxer"
2403 nut_muxer_select="riffenc"
2404 nuv_demuxer_select="riffdec"
2405 ogg_demuxer_select="golomb"
2406 psp_muxer_select="mov_muxer"
2407 rtp_demuxer_select="sdp_demuxer"
2408 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2409 rtsp_demuxer_select="http_protocol rtpdec"
2410 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2411 sap_demuxer_select="sdp_demuxer"
2412 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2413 sdp_demuxer_select="rtpdec"
2414 smoothstreaming_muxer_select="ismv_muxer"
2415 spdif_muxer_select="aac_parser"
2416 tak_demuxer_select="tak_parser"
2417 tg2_muxer_select="mov_muxer"
2418 tgp_muxer_select="mov_muxer"
2419 vobsub_demuxer_select="mpegps_demuxer"
2420 w64_demuxer_select="wav_demuxer"
2421 w64_muxer_select="wav_muxer"
2422 wav_demuxer_select="riffdec"
2423 wav_muxer_select="riffenc"
2424 webm_muxer_select="riffenc"
2425 wtv_demuxer_select="riffdec"
2426 wtv_muxer_select="riffenc"
2427 xmv_demuxer_select="riffdec"
2428 xwma_demuxer_select="riffdec"
2431 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2432 alsa_outdev_deps="alsa_asoundlib_h"
2433 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2434 avfoundation_indev_select="avfoundation"
2435 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2436 caca_outdev_deps="libcaca"
2437 decklink_outdev_deps="decklink pthreads"
2438 decklink_outdev_extralibs="-lstdc++"
2439 dshow_indev_deps="IBaseFilter"
2440 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2441 dv1394_indev_deps="dv1394"
2442 dv1394_indev_select="dv_demuxer"
2443 fbdev_indev_deps="linux_fb_h"
2444 fbdev_outdev_deps="linux_fb_h"
2445 gdigrab_indev_deps="CreateDIBSection"
2446 gdigrab_indev_extralibs="-lgdi32"
2447 gdigrab_indev_select="bmp_decoder"
2448 iec61883_indev_deps="libiec61883"
2449 jack_indev_deps="jack_jack_h sem_timedwait"
2450 lavfi_indev_deps="avfilter"
2451 libcdio_indev_deps="libcdio"
2452 libdc1394_indev_deps="libdc1394"
2453 libv4l2_indev_deps="libv4l2"
2454 openal_indev_deps="openal"
2455 opengl_outdev_deps="opengl"
2456 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2457 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2458 pulse_indev_deps="libpulse"
2459 pulse_outdev_deps="libpulse"
2460 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2461 qtkit_indev_select="qtkit"
2462 sdl_outdev_deps="sdl"
2463 sndio_indev_deps="sndio_h"
2464 sndio_outdev_deps="sndio_h"
2465 v4l_indev_deps="linux_videodev_h"
2466 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2467 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2468 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2469 vfwcap_indev_extralibs="-lavicap32"
2470 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2471 xv_outdev_extralibs="-lXv -lX11 -lXext"
2472 x11grab_indev_deps="x11grab"
2475 bluray_protocol_deps="libbluray"
2476 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2477 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2478 ffrtmpcrypt_protocol_select="tcp_protocol"
2479 ffrtmphttp_protocol_deps="!librtmp_protocol"
2480 ffrtmphttp_protocol_select="http_protocol"
2481 ftp_protocol_select="tcp_protocol"
2482 gopher_protocol_select="network"
2483 http_protocol_select="tcp_protocol"
2484 httpproxy_protocol_select="tcp_protocol"
2485 https_protocol_select="tls_protocol"
2486 librtmp_protocol_deps="librtmp"
2487 librtmpe_protocol_deps="librtmp"
2488 librtmps_protocol_deps="librtmp"
2489 librtmpt_protocol_deps="librtmp"
2490 librtmpte_protocol_deps="librtmp"
2491 libsmbclient_protocol_deps="libsmbclient gplv3"
2492 libssh_protocol_deps="libssh"
2493 mmsh_protocol_select="http_protocol"
2494 mmst_protocol_select="network"
2495 rtmp_protocol_deps="!librtmp_protocol"
2496 rtmp_protocol_select="tcp_protocol"
2497 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2498 rtmps_protocol_deps="!librtmp_protocol"
2499 rtmps_protocol_select="tls_protocol"
2500 rtmpt_protocol_select="ffrtmphttp_protocol"
2501 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2502 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2503 rtp_protocol_select="udp_protocol"
2504 sctp_protocol_deps="struct_sctp_event_subscribe"
2505 sctp_protocol_select="network"
2506 srtp_protocol_select="rtp_protocol"
2507 tcp_protocol_select="network"
2508 tls_protocol_deps_any="openssl gnutls"
2509 tls_protocol_select="tcp_protocol"
2510 udp_protocol_select="network"
2511 unix_protocol_deps="sys_un_h"
2512 unix_protocol_select="network"
2515 aconvert_filter_deps="swresample"
2516 amovie_filter_deps="avcodec avformat"
2517 aresample_filter_deps="swresample"
2518 ass_filter_deps="libass"
2519 asyncts_filter_deps="avresample"
2520 atempo_filter_deps="avcodec"
2521 atempo_filter_select="rdft"
2522 azmq_filter_deps="libzmq"
2523 blackframe_filter_deps="gpl"
2524 boxblur_filter_deps="gpl"
2525 bs2b_filter_deps="libbs2b"
2526 colormatrix_filter_deps="gpl"
2527 cropdetect_filter_deps="gpl"
2528 dctdnoiz_filter_deps="avcodec"
2529 dctdnoiz_filter_select="dct"
2530 delogo_filter_deps="gpl"
2531 deshake_filter_deps="avcodec"
2532 deshake_filter_select="me_cmp"
2533 drawtext_filter_deps="libfreetype"
2534 ebur128_filter_deps="gpl"
2535 flite_filter_deps="libflite"
2536 frei0r_filter_deps="frei0r dlopen"
2537 frei0r_filter_extralibs='$ldl'
2538 frei0r_src_filter_deps="frei0r dlopen"
2539 frei0r_src_filter_extralibs='$ldl'
2540 geq_filter_deps="gpl"
2541 histeq_filter_deps="gpl"
2542 hqdn3d_filter_deps="gpl"
2543 interlace_filter_deps="gpl"
2544 kerndeint_filter_deps="gpl"
2545 ladspa_filter_deps="ladspa dlopen"
2546 ladspa_filter_extralibs='$ldl'
2547 mcdeint_filter_deps="avcodec gpl"
2548 movie_filter_deps="avcodec avformat"
2549 mp_filter_deps="gpl avcodec swscale inline_asm"
2550 mpdecimate_filter_deps="gpl avcodec"
2551 mpdecimate_filter_select="me_cmp pixblockdsp"
2552 mptestsrc_filter_deps="gpl"
2553 negate_filter_deps="lut_filter"
2554 perspective_filter_deps="gpl"
2555 ocv_filter_deps="libopencv"
2556 owdenoise_filter_deps="gpl"
2557 pan_filter_deps="swresample"
2558 phase_filter_deps="gpl"
2559 pp_filter_deps="gpl postproc"
2560 pullup_filter_deps="gpl"
2561 removelogo_filter_deps="avcodec avformat swscale"
2562 resample_filter_deps="avresample"
2563 sab_filter_deps="gpl swscale"
2564 scale_filter_deps="swscale"
2565 smartblur_filter_deps="gpl swscale"
2566 showspectrum_filter_deps="avcodec"
2567 showspectrum_filter_select="rdft"
2568 spp_filter_deps="gpl avcodec"
2569 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2570 stereo3d_filter_deps="gpl"
2571 subtitles_filter_deps="avformat avcodec libass"
2572 super2xsai_filter_deps="gpl"
2573 tinterlace_filter_deps="gpl"
2574 vidstabdetect_filter_deps="libvidstab"
2575 vidstabtransform_filter_deps="libvidstab"
2576 pixfmts_super2xsai_test_deps="super2xsai_filter"
2577 tinterlace_merge_test_deps="tinterlace_filter"
2578 tinterlace_pad_test_deps="tinterlace_filter"
2579 zmq_filter_deps="libzmq"
2580 zoompan_filter_deps="swscale"
2583 avio_reading="avformat avcodec avutil"
2584 avcodec_example_deps="avcodec avutil"
2585 demuxing_decoding_example_deps="avcodec avformat avutil"
2586 filter_audio_example_deps="avfilter avutil"
2587 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2588 filtering_video_example_deps="avfilter avcodec avformat avutil"
2589 metadata_example_deps="avformat avutil"
2590 muxing_example_deps="avcodec avformat avutil swscale"
2591 remuxing_example_deps="avcodec avformat avutil"
2592 resampling_audio_example_deps="avutil swresample"
2593 scaling_video_example_deps="avutil swscale"
2594 transcode_aac_example_deps="avcodec avformat swresample"
2595 transcoding_example_deps="avfilter avcodec avformat avutil"
2597 # libraries, in linking order
2598 avcodec_deps="avutil"
2599 avdevice_deps="avformat avcodec avutil"
2600 avfilter_deps="avutil"
2601 avformat_deps="avcodec avutil"
2602 avresample_deps="avutil"
2603 postproc_deps="avutil gpl"
2604 swresample_deps="avutil"
2605 swscale_deps="avutil"
2608 ffmpeg_deps="avcodec avfilter avformat swresample"
2609 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2611 setpts_filter trim_filter"
2612 ffplay_deps="avcodec avformat swscale swresample sdl"
2613 ffplay_libs='$sdl_libs'
2614 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2615 ffprobe_deps="avcodec avformat"
2616 ffserver_deps="avformat fork sarestart"
2617 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2620 podpages_deps="perl"
2621 manpages_deps="perl pod2man"
2622 htmlpages_deps="perl texi2html"
2623 txtpages_deps="perl makeinfo"
2624 doc_deps_any="manpages htmlpages podpages txtpages"
2626 # default parameters
2628 logfile="config.log"
2630 # installation paths
2631 prefix_default="/usr/local"
2632 bindir_default='${prefix}/bin'
2633 datadir_default='${prefix}/share/ffmpeg'
2634 docdir_default='${prefix}/share/doc/ffmpeg'
2635 incdir_default='${prefix}/include'
2636 libdir_default='${prefix}/lib'
2637 mandir_default='${prefix}/share/man'
2638 shlibdir_default="$libdir_default"
2644 host_cc_default="gcc"
2646 doxygen_default="doxygen"
2651 pkg_config_default=pkg-config
2652 ranlib_default="ranlib"
2653 strip_default="strip"
2654 yasmexe_default="yasm"
2655 windres_default="windres"
2660 target_os_default=$(tolower $(uname -s))
2661 host_os=$target_os_default
2664 if test "$target_os_default" = aix; then
2665 arch_default=$(uname -p)
2666 strip_default="strip -X32_64"
2668 arch_default=$(uname -m)
2673 # configurable options
2674 enable $PROGRAM_LIST
2675 enable $DOCUMENT_LIST
2676 enable $EXAMPLE_LIST
2677 enable $(filter_out avresample $LIBRARY_LIST)
2683 enable optimizations
2684 enable runtime_cpudetect
2685 enable safe_bitstream_reader
2687 enable swscale_alpha
2689 sws_max_filter_size_default=256
2690 set_default sws_max_filter_size
2692 # Enable hwaccels by default.
2693 enable dxva2 vaapi vda vdpau xvmc
2697 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2700 FULLNAME='$(NAME)$(BUILDSUF)'
2701 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2704 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2705 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2706 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2707 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2708 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2709 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2731 host_cflags_filter=echo
2732 host_ldflags_filter=echo
2734 target_path='$(CURDIR)'
2736 # since the object filename is not given with the -MM flag, the compiler
2737 # is only able to print the basename, and we must add the path ourselves
2738 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2742 if test -f configure; then
2745 source_path=$(cd $(dirname "$0"); pwd)
2746 echo "$source_path" | grep -q '[[:blank:]]' &&
2747 die "Out of tree builds are impossible with whitespace in source path."
2748 test -e "$source_path/config.h" &&
2749 die "Out of tree builds are impossible with config.h in source dir."
2756 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2762 file=$source_path/$3
2763 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2766 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2767 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2768 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2769 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2770 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2771 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2772 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2773 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2774 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2775 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2776 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2792 for n in $COMPONENT_LIST; do
2793 v=$(toupper ${n%s})_LIST
2795 eval ${n}_if_any="\$$v"
2798 enable $ARCH_EXT_LIST
2801 echo "Unknown option \"$1\"."
2802 echo "See $0 --help for available options."
2807 cat | tr ' ' '\n' | sort | pr -r -3 -t
2813 echo $* | sed s/$suffix//g | print_3_columns
2825 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2826 echo "prob ${prob:-0.5}"
2834 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2835 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2844 --extra-ldexeflags=*)
2845 add_ldexeflags $optval
2848 add_extralibs $optval
2851 disable $INDEV_LIST $OUTDEV_LIST
2854 debuglevel="$optval"
2857 disable $PROGRAM_LIST
2859 --disable-everything)
2860 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2863 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2864 disable $LIBRARY_LIST $PROGRAM_LIST doc
2866 --enable-random|--disable-random)
2867 action=${opt%%-random}
2868 do_random ${action#--} $COMPONENT_LIST
2870 --enable-random=*|--disable-random=*)
2871 action=${opt%%-random=*}
2872 do_random ${action#--} $optval
2874 --enable-*=*|--disable-*=*)
2875 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2876 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2877 eval list=\$$(toupper $thing)_LIST
2878 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2879 list=$(filter "$name" $list)
2880 [ "$list" = "" ] && warn "Option $opt did not match anything"
2883 --enable-?*|--disable-?*)
2884 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2885 if is_in $option $COMPONENT_LIST; then
2886 test $action = disable && action=unset
2887 eval $action \$$(toupper ${option%s})_LIST
2888 elif is_in $option $CMDLINE_SELECT; then
2895 NAME="${opt#--list-}"
2896 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2898 eval show_list $NAME \$$(toupper $NAME)_LIST
2900 --help|-h) show_help
2902 --fatal-warnings) enable fatal_warnings
2905 optname="${opt%%=*}"
2906 optname="${optname#--}"
2907 optname=$(echo "$optname" | sed 's/-/_/g')
2908 if is_in $optname $CMDLINE_SET; then
2909 eval $optname='$optval'
2910 elif is_in $optname $CMDLINE_APPEND; then
2911 append $optname "$optval"
2919 disabled logging && logfile=/dev/null
2921 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2924 test -n "$cross_prefix" && enable cross_compile
2926 if enabled cross_compile; then
2927 test -n "$arch" && test -n "$target_os" ||
2928 die "Must specify target arch and OS when cross-compiling"
2931 ar_default="${cross_prefix}${ar_default}"
2932 cc_default="${cross_prefix}${cc_default}"
2933 cxx_default="${cross_prefix}${cxx_default}"
2934 nm_default="${cross_prefix}${nm_default}"
2935 pkg_config_default="${cross_prefix}${pkg_config_default}"
2936 ranlib_default="${cross_prefix}${ranlib_default}"
2937 strip_default="${cross_prefix}${strip_default}"
2938 windres_default="${cross_prefix}${windres_default}"
2940 sysinclude_default="${sysroot}/usr/include"
2942 test -n "$valgrind" && toolchain="valgrind-memcheck"
2944 case "$toolchain" in
2947 add_cflags -fsanitize=address
2948 add_ldflags -fsanitize=address
2952 add_cflags -fsanitize=thread -pie
2953 add_ldflags -fsanitize=thread -pie
2957 add_cflags -fsanitize=undefined
2958 add_ldflags -fsanitize=undefined
2962 add_cflags -fsanitize=address
2963 add_ldflags -fsanitize=address
2967 add_cflags -fsanitize=thread -pie -fPIC
2968 add_ldflags -fsanitize=thread -pie -fPIC
2972 add_cflags -fsanitize=undefined
2973 add_ldflags -fsanitize=undefined
2976 target_exec_default=${valgrind:-"valgrind"}
2977 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"
2980 target_exec_default=${valgrind:-"valgrind"}
2981 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2984 # Check whether the current MSVC version needs the C99 converter.
2985 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2986 # support enough of C99 to build ffmpeg. Default to the new
2987 # behaviour if the regexp was unable to match anything, since this
2988 # successfully parses the version number of existing supported
2989 # versions that require the converter (MSVC 2010 and 2012).
2990 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2991 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2994 cc_default="c99wrap cl"
2997 nm_default="dumpbin -symbols"
2999 target_os_default="win32"
3000 # Use a relative path for TMPDIR. This makes sure all the
3001 # ffconf temp files are written with a relative path, avoiding
3002 # issues with msys/win32 path conversion for MSVC parameters
3003 # such as -Fo<file> or -out:<file>.
3009 nm_default="dumpbin -symbols"
3011 target_os_default="win32"
3015 add_cflags -fprofile-arcs -ftest-coverage
3016 add_ldflags -fprofile-arcs -ftest-coverage
3019 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
3020 add_ldflags -Wl,-z,relro -Wl,-z,now
3023 die "Unknown toolchain $toolchain"
3027 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3028 target_exec target_os yasmexe
3029 enabled cross_compile || host_cc_default=$cc
3032 if ! $pkg_config --version >/dev/null 2>&1; then
3033 warn "$pkg_config not found, library detection may fail."
3037 if test $doxygen != $doxygen_default && \
3038 ! $doxygen --version >/dev/null 2>&1; then
3039 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3044 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3048 EXESUF=$(exesuf $target_os)
3049 HOSTEXESUF=$(exesuf $host_os)
3051 # set temporary file name
3052 : ${TMPDIR:=$TEMPDIR}
3056 if [ -n "$tempprefix" ] ; then
3058 echo $tempprefix.${HOSTNAME}.${UID}
3060 elif ! check_cmd mktemp -u XXXXXX; then
3061 # simple replacement for missing mktemp
3062 # NOT SAFE FOR GENERAL USE
3064 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3069 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3070 (set -C; exec > $tmp) 2>/dev/null ||
3071 die "Unable to create temporary file in $TMPDIR."
3072 append TMPFILES $tmp
3076 trap 'rm -f -- $TMPFILES' EXIT
3081 tmpfile TMPE $EXESUF
3093 # make sure we can execute files in $TMPDIR
3094 cat > $TMPSH 2>> $logfile <<EOF
3097 chmod +x $TMPSH >> $logfile 2>&1
3098 if ! $TMPSH >> $logfile 2>&1; then
3100 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3101 variable to another directory and make sure that it is not mounted noexec.
3103 die "Sanity test failed."
3109 -std=c99) echo -c99 ;;
3110 -mcpu=*) echo -arch ${flag#*=} ;;
3111 -mieee) echo -ieee ;;
3112 -O*|-fast) echo $flag ;;
3113 -fno-math-errno) echo -assume nomath_errno ;;
3115 -Wall) echo -msg_enable level2 ;;
3116 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3117 -Wl,*) echo $flag ;;
3127 -Wno-switch) echo -Wno-switch-enum ;;
3128 -Wno-format-zero-length) ;;
3129 -Wdisabled-optimization) ;;
3130 -Wno-pointer-sign) echo -Wno-other ;;
3136 msvc_common_flags(){
3139 # In addition to specifying certain flags under the compiler
3140 # specific filters, they must be specified here as well or else the
3141 # generic catch all at the bottom will print the original flag.
3145 -fomit-frame-pointer) ;;
3149 -fno-signed-zeros) ;;
3153 -lz) echo zlib.lib ;;
3154 -lavifil32) echo vfw32.lib ;;
3155 -lavicap32) echo vfw32.lib user32.lib ;;
3156 -l*) echo ${flag#-l}.lib ;;
3163 msvc_common_flags "$@"
3166 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3167 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3168 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3176 msvc_common_flags "$@"
3179 # Despite what Intel's documentation says -Wall, which is supported
3180 # on Windows, does enable remarks so disable them here.
3181 -Wall) echo $flag -Qdiag-disable:remark ;;
3182 -std=c99) echo -Qstd=c99 ;;
3200 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3201 -fomit-frame-pointer) echo -Mnoframe ;;
3212 case "${flag#*=}" in
3213 native) echo -xtarget=native ;;
3214 v9|niagara) echo -xarch=sparc ;;
3215 ultrasparc) echo -xarch=sparcvis ;;
3216 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3217 i586|pentium) echo -xchip=pentium ;;
3218 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3219 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3220 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3221 pentium4*) echo -xtarget=pentium4 ;;
3222 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3223 *-sse3) echo -xarch=sse3 ;;
3224 core2) echo -xarch=ssse3 -xchip=core2 ;;
3225 bonnell) echo -xarch=ssse3 ;;
3226 corei7|nehalem) echo -xtarget=nehalem ;;
3227 westmere) echo -xtarget=westmere ;;
3228 silvermont) echo -xarch=sse4_2 ;;
3229 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3230 core-avx*|ivybridge|haswell|broadwell)
3232 amdfam10|barcelona) echo -xtarget=barcelona ;;
3233 btver1) echo -xarch=amdsse4a ;;
3234 btver2|bdver*) echo -xarch=avx ;;
3235 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3236 k8|opteron|athlon64|athlon-fx)
3237 echo -xarch=sse2a ;;
3238 athlon*) echo -xarch=pentium_proa ;;
3241 -std=c99) echo -xc99 ;;
3242 -fomit-frame-pointer) echo -xregs=frameptr ;;
3243 -fPIC) echo -KPIC -xcode=pic32 ;;
3244 -W*,*) echo $flag ;;
3245 -f*-*|-W*|-mimpure-text) ;;
3256 case "${flag#*=}" in
3257 armv7-a|cortex-a*) echo -mv=7a8 ;;
3258 armv7-r|cortex-r*) echo -mv=7r4 ;;
3259 armv7-m|cortex-m*) echo -mv=7m3 ;;
3260 armv6*|arm11*) echo -mv=6 ;;
3261 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3263 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3266 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3267 -mfpu=vfp) echo --float_support=vfpv2 ;;
3268 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3269 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3270 -msoft-float) echo --float_support=vfplib ;;
3271 -O[0-3]|-mf=*) echo $flag ;;
3273 -pds=*) echo $flag ;;
3274 -D*|-I*) echo $flag ;;
3275 --gcc|--abi=*) echo $flag ;;
3285 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3286 unset _ld_o _ldflags _ld_lib _ld_path
3287 unset _depflags _DEPCMD _DEPFLAGS
3290 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3291 true # no-op to avoid reading stdin in following checks
3292 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3294 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3295 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3296 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3299 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3301 gcc_version=$($_cc --version | head -n1)
3302 gcc_basever=$($_cc -dumpversion)
3303 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3304 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3305 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3306 if ! $_cc -dumpversion | grep -q '^2\.'; then
3307 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3311 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3313 _ident=$($_cc --version | head -n1)
3318 _flags_filter=icc_flags
3319 elif $_cc -v 2>&1 | grep -q xlc; then
3321 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3323 _cflags_size='-O5 -qcompact'
3324 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3326 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3328 _cflags_speed='-fast'
3330 _flags_filter=ccc_flags
3331 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3332 test -d "$sysroot" || die "No valid sysroot specified."
3334 _ident=$($_cc --vsn | head -n1 | sed 's/.*: //')
3335 armcc_conf="$PWD/armcc.conf"
3336 $_cc --arm_linux_configure \
3337 --arm_linux_config_file="$armcc_conf" \
3338 --configure_sysroot="$sysroot" \
3339 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3340 die "Error creating armcc configuration file."
3341 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3342 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3343 as_default="${cross_prefix}gcc"
3347 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3349 _ident=$($_cc -version | head -n1 | tr -s ' ')
3350 _flags='--gcc --abi=eabi -me'
3353 _depflags='-ppa -ppd=$(@:.o=.d)'
3354 _cflags_speed='-O3 -mf=5'
3355 _cflags_size='-O3 -mf=2'
3356 _flags_filter=tms470_flags
3357 elif $_cc -v 2>&1 | grep -q clang; then
3359 _ident=$($_cc --version | head -n1)
3360 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3363 elif $_cc -V 2>&1 | grep -q Sun; then
3365 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3366 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3367 _DEPFLAGS='-xM1 -xc99'
3370 _cflags_size='-O5 -xspace'
3371 _flags_filter=suncc_flags
3372 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3374 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3375 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3378 _flags_filter='filter_out -Wdisabled-optimization'
3379 elif $_cc -v 2>&1 | grep -q Open64; then
3381 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3382 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3385 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3386 elif $_cc -V 2>&1 | grep -q Portland; then
3388 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3389 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3390 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3391 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3393 _flags_filter=pgi_flags
3394 elif $_cc 2>&1 | grep -q Microsoft; then
3396 _ident=$($cc 2>&1 | head -n1)
3397 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3398 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3401 if $_cc 2>&1 | grep -q Linker; then
3408 _flags_filter=msvc_flags
3410 _ld_path='-libpath:'
3412 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3413 if [ $pfx = hostcc ]; then
3414 append _cflags -Dsnprintf=_snprintf
3417 elif $_cc 2>&1 | grep -q Intel; then
3419 _ident=$($cc 2>&1 | head -n1)
3420 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3421 # Not only is O3 broken on 13.x+ but it is slower on all previous
3422 # versions (tested) as well.
3424 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3425 if $_cc 2>&1 | grep -q Linker; then
3432 _flags_filter=icl_flags
3434 _ld_path='-libpath:'
3435 # -Qdiag-error to make icl error when seeing certain unknown arguments
3436 _flags='-nologo -Qdiag-error:4044,10157'
3437 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3438 # with MSVC which enables it by default.
3439 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3440 if [ $pfx = hostcc ]; then
3441 append _cflags -Dsnprintf=_snprintf
3443 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3445 _ident=$($_cc --version | head -n1)
3449 _flags_filter=cparser_flags
3452 eval ${pfx}_type=\$_type
3453 eval ${pfx}_ident=\$_ident
3457 eval ${1}_C=\${_cc_c-\${${1}_C}}
3458 eval ${1}_E=\${_cc_e-\${${1}_E}}
3459 eval ${1}_O=\${_cc_o-\${${1}_O}}
3461 if [ -n "$_depflags" ]; then
3462 eval ${1}_DEPFLAGS=\$_depflags
3464 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3465 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3466 eval DEP${1}FLAGS=\$_flags
3471 cflags_filter=$_flags_filter
3472 cflags_speed=$_cflags_speed
3473 cflags_size=$_cflags_size
3474 cflags_noopt=$_cflags_noopt
3475 add_cflags $_flags $_cflags
3476 cc_ldflags=$_ldflags
3479 probe_cc hostcc "$host_cc"
3480 host_cflags_filter=$_flags_filter
3481 add_host_cflags $_flags $_cflags
3484 test -n "$cc_type" && enable $cc_type ||
3485 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3487 : ${as_default:=$cc}
3488 : ${dep_cc_default:=$cc}
3489 : ${ld_default:=$cc}
3490 : ${host_ld_default:=$host_cc}
3491 set_default ar as dep_cc ld host_ld windres
3494 asflags_filter=$_flags_filter
3495 add_asflags $_flags $_cflags
3499 ldflags_filter=$_flags_filter
3500 add_ldflags $_flags $_ldflags
3501 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3503 LD_LIB=${_ld_lib-$LD_LIB}
3504 LD_PATH=${_ld_path-$LD_PATH}
3506 probe_cc hostld "$host_ld"
3507 host_ldflags_filter=$_flags_filter
3508 add_host_ldflags $_flags $_ldflags
3509 HOSTLD_O=${_ld_o-$HOSTLD_O}
3511 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3512 probe_cc depcc "$dep_cc"
3513 CCDEP=${_DEPCMD:-$DEPCMD}
3514 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3518 if $ar 2>&1 | grep -q Microsoft; then
3521 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3524 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3525 arflags='-Xany -r -c'
3532 add_cflags $extra_cflags
3533 add_cxxflags $extra_cxxflags
3534 add_asflags $extra_cflags
3536 if test -n "$sysroot"; then
3539 add_cppflags --sysroot="$sysroot"
3540 add_ldflags --sysroot="$sysroot"
3541 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3542 add_cppflags -isysroot "$sysroot"
3543 add_ldflags -isysroot "$sysroot"
3546 add_cppflags -I"$sysinclude"
3547 add_ldflags --sysroot="$sysroot"
3552 if test "$cpu" = host; then
3553 enabled cross_compile &&
3554 die "--cpu=host makes no sense when cross-compiling."
3559 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3561 s/.*$1=\\([^ ]*\\).*/\\1/
3566 cpu=$(check_native -march || check_native -mcpu)
3570 test "${cpu:-host}" = host &&
3571 die "--cpu=host not supported with compiler $cc"
3574 # Deal with common $arch aliases
3588 "Power Macintosh"|ppc*|powerpc*)
3603 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3608 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3611 # Add processor-specific flags
3612 if enabled aarch64; then
3616 cpuflags="-march=$cpu"
3619 cpuflags="-mcpu=$cpu"
3623 elif enabled alpha; then
3625 cpuflags="-mcpu=$cpu"
3627 elif enabled arm; then
3630 check_cpp_condition stddef.h \
3631 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3636 if check_arm_arch 4; then echo armv4;
3637 elif check_arm_arch 4T; then echo armv4t;
3638 elif check_arm_arch 5; then echo armv5;
3639 elif check_arm_arch 5E; then echo armv5e;
3640 elif check_arm_arch 5T; then echo armv5t;
3641 elif check_arm_arch 5TE; then echo armv5te;
3642 elif check_arm_arch 5TEJ; then echo armv5te;
3643 elif check_arm_arch 6; then echo armv6;
3644 elif check_arm_arch 6J; then echo armv6j;
3645 elif check_arm_arch 6K; then echo armv6k;
3646 elif check_arm_arch 6Z; then echo armv6z;
3647 elif check_arm_arch 6ZK; then echo armv6zk;
3648 elif check_arm_arch 6T2; then echo armv6t2;
3649 elif check_arm_arch 7; then echo armv7;
3650 elif check_arm_arch 7A 7_A; then echo armv7-a;
3651 elif check_arm_arch 7R 7_R; then echo armv7-r;
3652 elif check_arm_arch 7M 7_M; then echo armv7-m;
3653 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3654 elif check_arm_arch 8A 8_A; then echo armv8-a;
3658 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3662 cpuflags="-march=$cpu"
3663 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3666 cpuflags="-mcpu=$cpu"
3668 cortex-a*) subarch=armv7a ;;
3669 cortex-r*) subarch=armv7r ;;
3670 cortex-m*) enable thumb; subarch=armv7m ;;
3671 arm11*) subarch=armv6 ;;
3672 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3673 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3674 *) subarch=$(probe_arm_arch) ;;
3680 armv5t*) enable fast_clz ;;
3683 disabled fast_unaligned || enable fast_unaligned
3687 elif enabled avr32; then
3692 cpuflags="-mpart=$cpu"
3696 cpuflags="-march=$cpu"
3700 cpuflags="-mcpu=$cpu"
3704 cpuflags="-march=$cpu"
3708 elif enabled bfin; then
3710 cpuflags="-mcpu=$cpu"
3712 elif enabled mips; then
3714 cpuflags="-march=$cpu"
3730 24kef*|34kf*|1004kf*)
3738 elif enabled ppc; then
3743 case $(tolower $cpu) in
3744 601|ppc601|powerpc601)
3745 cpuflags="-mcpu=601"
3748 603*|ppc603*|powerpc603*)
3749 cpuflags="-mcpu=603"
3752 604*|ppc604*|powerpc604*)
3753 cpuflags="-mcpu=604"
3756 g3|75*|ppc75*|powerpc75*)
3757 cpuflags="-mcpu=750"
3760 g4|745*|ppc745*|powerpc745*)
3761 cpuflags="-mcpu=7450"
3763 74*|ppc74*|powerpc74*)
3764 cpuflags="-mcpu=7400"
3766 g5|970|ppc970|powerpc970)
3767 cpuflags="-mcpu=970"
3770 cpuflags="-mcpu=$cpu"
3773 cpuflags="-mcpu=cell"
3777 cpuflags="-mcpu=e500mc"
3781 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3786 cpuflags="-mcpu=8540 -mhard-float"
3792 elif enabled sparc; then
3795 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3796 cpuflags="-mcpu=$cpu"
3798 ultrasparc*|niagara[234])
3799 cpuflags="-mcpu=$cpu"
3803 elif enabled x86; then
3807 cpuflags="-march=$cpu"
3810 # targets that do NOT support nopl and conditional mov (cmov)
3811 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3812 cpuflags="-march=$cpu"
3815 # targets that do support nopl and conditional mov (cmov)
3816 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
3817 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
3818 cpuflags="-march=$cpu"
3822 # targets that do support conditional mov but on which it's slow
3823 pentium4|pentium4m|prescott|nocona)
3824 cpuflags="-march=$cpu"
3832 if [ "$cpu" != generic ]; then
3833 add_cflags $cpuflags
3834 add_asflags $cpuflags
3837 # compiler sanity check
3839 int main(void){ return 0; }
3841 if test "$?" != 0; then
3842 echo "$cc is unable to create an executable file."
3843 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3844 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3845 echo "Only do this if you know what cross compiling means."
3847 die "C compiler test failed."
3850 add_cppflags -D_ISOC99_SOURCE
3851 add_cxxflags -D__STDC_CONSTANT_MACROS
3852 check_cflags -std=c99
3853 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3856 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3860 add_host_cppflags -D_ISOC99_SOURCE
3861 check_host_cflags -std=c99
3862 check_host_cflags -Wall
3863 check_host_cflags -O3
3869 check_code cc "" "int test[2*($expr) - 1]" &&
3870 subarch=$arch64 || subarch=$arch32
3878 check_64bit mips mips64 '_MIPS_SIM > 1'
3882 check_64bit parisc parisc64 'sizeof(void *) > 4'
3886 check_64bit ppc ppc64 'sizeof(void *) > 4'
3890 check_64bit s390 s390x 'sizeof(void *) > 4'
3894 check_64bit sparc sparc64 'sizeof(void *) > 4'
3898 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3899 if test "$subarch" = "x86_64"; then
3904 check_cc <<EOF && subarch="ppc64"
3905 int test[(int)sizeof(char*) - 7];
3911 enabled spic && enable_weak pic
3917 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3918 enabled shared && add_ldflags -Wl,-brtl
3922 SLIB_INSTALL_NAME='$(SLIBNAME)'
3924 # soname not set on purpose
3928 prefix_default="/boot/common"
3929 network_extralibs="-lnetwork"
3933 SHFLAGS='-shared -Wl,-h,$$(@F)'
3934 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3935 network_extralibs="-lsocket -lnsl"
3936 # When using suncc to build, the Solaris linker will mark
3937 # an executable with each instruction set encountered by
3938 # the Solaris assembler. As our libraries contain their own
3939 # guards for processor-specific code, instead suppress
3940 # generation of the HWCAPS ELF section on Solaris x86 only.
3941 enabled_all suncc x86 &&
3942 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3943 add_ldflags -Wl,-M,mapfile
3944 nm_default='nm -P -g'
3948 oss_indev_extralibs="-lossaudio"
3949 oss_outdev_extralibs="-lossaudio"
3950 enabled gcc || check_ldflags -Wl,-zmuldefs
3955 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3957 oss_indev_extralibs="-lossaudio"
3958 oss_outdev_extralibs="-lossaudio"
3966 add_extralibs -lpoll -lgnugetopt
3970 test "${as#*gas-preprocessor.pl}" != "$as" || gas="${gas:=gas-preprocessor.pl} ${as:=$cc}"
3971 enabled ppc && add_asflags -force_cpusubtype_ALL
3972 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3973 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3975 add_ldflags -Wl,-dynamic,-search_paths_first
3977 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3978 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3980 enabled x86_64 && objformat="macho64"
3981 enabled_any pic shared ||
3982 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3985 if test $target_os = "mingw32ce"; then
3991 if enabled x86_64; then
3992 LIBTARGET="i386:x86-64"
3993 elif enabled arm; then
3996 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3997 check_ldflags -Wl,--nxcompat
3998 check_ldflags -Wl,--dynamicbase
3999 shlibdir_default="$bindir_default"
4002 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4003 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4004 dlltool="${cross_prefix}dlltool"
4005 if check_cmd lib.exe -list; then
4006 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4007 if enabled x86_64; then
4010 elif check_cmd $dlltool --version; then
4011 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4013 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4015 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4016 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4017 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4024 if enabled shared; then
4025 # Link to the import library instead of the normal static library
4028 # Cannot build both shared and static libs with MSVC or icl.
4031 shlibdir_default="$bindir_default"
4034 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4035 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4036 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4037 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4039 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4040 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4041 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4048 shlibdir_default="$bindir_default"
4051 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4052 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4053 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4055 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4056 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4059 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4061 *-dos|freedos|opendos)
4062 network_extralibs="-lsocket"
4065 add_cppflags -U__STRICT_ANSI__
4072 ranlib="echo ignoring ranlib"
4078 add_cppflags -D_GNU_SOURCE
4079 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4080 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4084 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4085 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4086 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4087 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
4088 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4089 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4090 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4091 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
4092 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4093 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4094 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4096 enable_weak os2threads
4099 add_cppflags -D_BSD_SOURCE
4104 add_cppflags -D_QNX_SOURCE
4105 network_extralibs="-lsocket"
4110 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4111 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4112 add_ldflags -Wl,--target1-abs,--no-undefined \
4113 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4114 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4115 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4116 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4117 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4120 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4125 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4126 -D_REENTRANT_SOURCE \
4127 -D_RESEARCH_SOURCE \
4130 add_compat strtod.o strtod=avpriv_strtod
4131 network_extralibs='-lbsd'
4132 exeobjs=compat/plan9/main.o
4139 die "Unknown OS '$target_os'."
4143 # determine libc flavour
4148 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4149 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4150 eval ${pfx}libc_type=uclibc
4151 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4152 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4153 eval ${pfx}libc_type=glibc
4154 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4155 # MinGW headers can be installed on Cygwin, so check for newlib first.
4156 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4157 eval ${pfx}libc_type=newlib
4158 add_${pfx}cppflags -U__STRICT_ANSI__
4159 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4160 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4161 eval ${pfx}libc_type=mingw64
4162 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4163 add_compat msvcrt/snprintf.o
4164 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4166 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4167 eval test \$${pfx_no_}cc_type = "gcc" &&
4168 add_${pfx}cppflags -D__printf__=__gnu_printf__
4169 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4170 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4171 eval ${pfx}libc_type=mingw32
4172 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4173 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4174 die "ERROR: MinGW32 runtime version must be >= 3.15."
4175 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4176 eval test \$${pfx_no_}cc_type = "gcc" &&
4177 add_${pfx}cppflags -D__printf__=__gnu_printf__
4178 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4179 eval ${pfx}libc_type=msvcrt
4180 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4181 # 0x601 by default unless something else is set by the user.
4182 # This can easily lead to us detecting functions only present
4183 # in such new versions and producing binaries requiring windows 7.0.
4184 # Therefore explicitly set the default to XP unless the user has
4185 # set something else on the command line.
4186 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4187 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4188 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4189 eval ${pfx}libc_type=klibc
4190 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4191 eval ${pfx}libc_type=bionic
4192 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4193 eval ${pfx}libc_type=solaris
4194 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4199 test -n "$libc_type" && enable libc_$libc_type
4201 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4205 add_compat strtod.o strtod=avpriv_strtod
4208 add_compat strtod.o strtod=avpriv_strtod
4209 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4210 _snprintf=avpriv_snprintf \
4211 vsnprintf=avpriv_vsnprintf
4215 # hacks for compiler/libc/os combinations
4217 if enabled_all tms470 libc_glibc; then
4218 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4219 add_cppflags -D__USER_LABEL_PREFIX__=
4220 add_cppflags -D__builtin_memset=memset
4221 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4222 add_cflags -pds=48 # incompatible redefinition of macro
4225 if enabled_all ccc libc_glibc; then
4226 add_ldflags -Wl,-z,now # calls to libots crash without this
4229 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4230 add_cppflags '-I\$(SRC_PATH)/compat/float'
4233 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4236 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4238 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4240 set_default $PATHS_LIST
4243 # we need to build at least one lib type
4244 if ! enabled_any static shared; then
4246 At least one library type must be built.
4247 Specify --enable-static to build the static libraries or --enable-shared to
4248 build the shared libraries as well. To only build the shared libraries specify
4249 --disable-static in addition to --enable-shared.
4254 die_license_disabled() {
4255 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4258 die_license_disabled_gpl() {
4259 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4262 die_license_disabled gpl frei0r
4263 die_license_disabled gpl libcdio
4264 die_license_disabled gpl libsmbclient
4265 die_license_disabled gpl libutvideo
4266 die_license_disabled gpl libvidstab
4267 die_license_disabled gpl libx264
4268 die_license_disabled gpl libx265
4269 die_license_disabled gpl libxavs
4270 die_license_disabled gpl libxvid
4271 die_license_disabled gpl libzvbi
4272 die_license_disabled gpl x11grab
4274 die_license_disabled nonfree libaacplus
4275 die_license_disabled nonfree libfaac
4276 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4277 enabled gpl && die_license_disabled_gpl nonfree openssl
4279 die_license_disabled version3 libopencore_amrnb
4280 die_license_disabled version3 libopencore_amrwb
4281 die_license_disabled version3 libsmbclient
4282 die_license_disabled version3 libvo_aacenc
4283 die_license_disabled version3 libvo_amrwbenc
4285 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4287 disabled optimizations || check_cflags -fomit-frame-pointer
4290 disabled pic && return
4293 case "$target_os" in
4303 enabled pic && enable_weak_pic
4305 check_cc <<EOF || die "Symbol mangling check failed."
4308 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4309 extern_prefix=${sym%%ff_extern*}
4311 check_cc <<EOF && enable_weak inline_asm
4312 void foo(void) { __asm__ volatile ("" ::); }
4316 for restrict_keyword in restrict __restrict__ __restrict; do
4317 check_cc <<EOF && _restrict=$restrict_keyword && break
4318 void foo(char * $restrict_keyword p);
4322 check_cc <<EOF && enable pragma_deprecated
4323 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4326 check_cc <<EOF && enable attribute_packed
4327 struct { int x; } __attribute__((packed)) x;
4330 check_cc <<EOF && enable attribute_may_alias
4331 union { int x; } __attribute__((may_alias)) x;
4334 check_cc <<EOF || die "endian test failed"
4335 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4337 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4339 if [ "$cpu" = "power7" ] || [ "$cpu" = "power8" ] ;then
4340 if ! enabled bigendian ;then
4346 if enabled asm; then
4347 enabled arm && nogas=die
4348 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4350 check_as <<EOF && enable gnu_as || \
4351 $nogas "GNU assembler not found, install gas-preprocessor"
4358 check_as <<EOF || $nogas "GNU assembler not found, install gas-preprocessor"
4362 check_as <<EOF && enable as_func
4368 check_inline_asm inline_asm_labels '"1:\n"'
4370 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4372 if enabled aarch64; then
4373 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4374 # internal assembler in clang 3.3 does not support this instruction
4375 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4376 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4378 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4380 elif enabled alpha; then
4384 elif enabled arm; then
4386 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4387 float func(float a, float b){ return a+b; }
4390 enabled thumb && check_cflags -mthumb || check_cflags -marm
4392 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4394 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4395 case "${cross_prefix:-$cc}" in
4396 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4397 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4398 __asm__ (".eabi_attribute 28, 1");
4399 int main(void) { return 0; }
4402 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4405 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4406 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4407 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4408 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4409 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4410 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4412 [ $target_os = linux ] || [ $target_os = android ] ||
4413 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4416 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4418 check_as <<EOF && enable as_dn_directive
4423 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4425 elif enabled mips; then
4427 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4428 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4429 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4430 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4431 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4432 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4433 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4434 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4435 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4437 elif enabled parisc; then
4439 if enabled gcc; then
4440 case $($cc -dumpversion) in
4441 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4445 elif enabled ppc; then
4447 enable local_aligned_8 local_aligned_16 local_aligned_32
4449 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4450 check_inline_asm ibm_asm '"add 0, 0, 0"'
4451 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4452 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4454 # AltiVec flags: The FSF version of GCC differs from the Apple version
4455 if enabled altivec; then
4456 check_cflags -maltivec -mabi=altivec &&
4457 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4458 check_cflags -faltivec
4460 # check if our compiler supports Motorola AltiVec C API
4461 check_cc <<EOF || disable altivec
4464 vector signed int v1 = (vector signed int) { 0 };
4465 vector signed int v2 = (vector signed int) { 1 };
4466 v1 = vec_add(v1, v2);
4471 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4474 if enabled vsx; then
4477 elif enabled x86; then
4479 check_builtin rdtsc intrin.h "__rdtsc()"
4480 check_builtin mm_empty mmintrin.h "_mm_empty()"
4482 enable local_aligned_8 local_aligned_16 local_aligned_32
4484 # check whether EBP is available on x86
4485 # As 'i' is stored on the stack, this program will crash
4486 # if the base pointer is used to access it because the
4487 # base pointer is cleared in the inline assembly code.
4488 check_exec_crash <<EOF && enable ebp_available
4490 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4494 # check whether EBX is available on x86
4495 check_inline_asm ebx_available '""::"b"(0)' &&
4496 check_inline_asm ebx_available '"":::"%ebx"'
4498 # check whether xmm clobbers are supported
4499 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4501 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4502 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4504 # check whether binutils is new enough to compile SSSE3/MMXEXT
4505 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4506 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4508 if ! disabled_any asm mmx yasm; then
4509 if check_cmd $yasmexe --version; then
4510 enabled x86_64 && yasm_extra="-m amd64"
4511 yasm_debug="-g dwarf2"
4512 elif check_cmd nasm -v; then
4514 yasm_debug="-g -F dwarf"
4515 if enabled x86_64; then
4516 case "$objformat" in
4517 elf) objformat=elf64 ;;
4518 win32) objformat=win64 ;;
4523 YASMFLAGS="-f $objformat $yasm_extra"
4524 enabled pic && append YASMFLAGS "-DPIC"
4525 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4526 case "$objformat" in
4527 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4530 check_yasm "movbe ecx, [5]" && enable yasm ||
4531 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4532 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4533 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4534 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4535 check_yasm "CPU amdnop" || disable cpunop
4539 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4546 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4548 check_ldflags -Wl,--as-needed
4550 if check_func dlopen; then
4552 elif check_func dlopen -ldl; then
4556 if ! disabled network; then
4557 check_func getaddrinfo $network_extralibs
4558 check_func getservbyport $network_extralibs
4559 check_func inet_aton $network_extralibs
4561 check_type netdb.h "struct addrinfo"
4562 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4563 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4564 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4565 check_type poll.h "struct pollfd"
4566 check_type netinet/sctp.h "struct sctp_event_subscribe"
4567 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4568 check_type netinet/in.h "struct sockaddr_in6"
4569 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4570 check_type "sys/types.h sys/socket.h" socklen_t
4572 # Prefer arpa/inet.h over winsock2
4573 if check_header arpa/inet.h ; then
4574 check_func closesocket
4575 elif check_header winsock2.h ; then
4576 check_func_headers winsock2.h closesocket -lws2 &&
4577 network_extralibs="-lws2" ||
4578 { check_func_headers winsock2.h closesocket -lws2_32 &&
4579 network_extralibs="-lws2_32"; } || disable winsock2_h network
4580 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4582 check_type ws2tcpip.h socklen_t
4583 check_type ws2tcpip.h "struct addrinfo"
4584 check_type ws2tcpip.h "struct group_source_req"
4585 check_type ws2tcpip.h "struct ip_mreq_source"
4586 check_type ws2tcpip.h "struct ipv6_mreq"
4587 check_type winsock2.h "struct pollfd"
4588 check_struct winsock2.h "struct sockaddr" sa_len
4589 check_type ws2tcpip.h "struct sockaddr_in6"
4590 check_type ws2tcpip.h "struct sockaddr_storage"
4596 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4597 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4598 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4599 check_builtin sarestart signal.h "SA_RESTART"
4600 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4602 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4603 check_func ${malloc_prefix}memalign && enable memalign
4604 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4607 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4610 check_func gethrtime
4612 check_func getrusage
4613 check_func gettimeofday
4615 check_func localtime_r
4616 check_func mach_absolute_time
4620 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4621 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4622 check_func sched_getaffinity
4623 check_func setrlimit
4624 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4625 check_func strerror_r
4630 check_func_headers conio.h kbhit
4631 check_func_headers io.h setmode
4632 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4633 check_func_headers stdlib.h getenv
4635 check_func_headers windows.h CoTaskMemFree -lole32
4636 check_func_headers windows.h GetProcessAffinityMask
4637 check_func_headers windows.h GetProcessTimes
4638 check_func_headers windows.h GetSystemTimeAsFileTime
4639 check_func_headers windows.h MapViewOfFile
4640 check_func_headers windows.h PeekNamedPipe
4641 check_func_headers windows.h SetConsoleTextAttribute
4642 check_func_headers windows.h Sleep
4643 check_func_headers windows.h VirtualAlloc
4644 check_func_headers glob.h glob
4646 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4648 check_header cl/cl.h
4649 check_header direct.h
4650 check_header dlfcn.h
4652 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4654 check_header libcrystalhd/libcrystalhd_if.h
4655 check_header mach/mach_time.h
4656 check_header malloc.h
4658 check_header sys/mman.h
4659 check_header sys/param.h
4660 check_header sys/resource.h
4661 check_header sys/select.h
4662 check_header sys/time.h
4663 check_header sys/un.h
4664 check_header termios.h
4665 check_header unistd.h
4666 check_header vdpau/vdpau.h
4667 check_header vdpau/vdpau_x11.h
4668 check_header VideoDecodeAcceleration/VDADecoder.h
4669 check_header windows.h
4670 check_header X11/extensions/XvMClib.h
4671 check_header asm/types.h
4673 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4674 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4675 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4677 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4679 if ! disabled w32threads && ! enabled pthreads; then
4680 check_func_headers "windows.h process.h" _beginthreadex &&
4681 enable w32threads || disable w32threads
4684 # check for some common methods of building with pthread support
4685 # do this before the optional library checks as some of them require pthreads
4686 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4688 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4690 add_extralibs -pthread
4691 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4692 add_cflags -pthreads
4693 add_extralibs -pthreads
4694 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
4695 add_cflags -ldl -pthread
4696 add_extralibs -ldl -pthread
4697 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4698 add_extralibs -lpthreadGC2
4699 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4701 elif ! check_func pthread_join && ! check_func pthread_create; then
4704 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4708 if enabled pthreads; then
4709 check_func pthread_cancel
4712 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4713 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4715 check_lib math.h sin -lm && LIBM="-lm"
4716 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4723 for func in $MATH_FUNCS; do
4724 eval check_mathfunc $func \${${func}_args:-1}
4727 # these are off by default, so fail if requested and not available
4728 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
4729 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4730 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4731 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4732 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
4733 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4734 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4735 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4736 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4737 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4738 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4739 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
4740 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4741 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4742 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4743 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4744 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4745 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4746 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4747 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"
4748 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4749 enabled fontconfig && enable libfontconfig
4750 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4751 enabled libfreetype && require_libfreetype
4752 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
4753 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4754 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4755 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4756 done || die "ERROR: libgsm not found"; }
4757 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4758 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4759 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4760 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4761 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4762 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4763 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4764 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4765 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4766 die "ERROR: libopenjpeg not found"; }
4767 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4768 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
4769 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4770 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4771 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4772 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4773 enabled libsmbclient && { { check_pkg_config smbclient libsmbclient.h smbc_init &&
4774 require_pkg_config smbclient libsmbclient.h smbc_init; } ||
4775 require smbclient libsmbclient.h smbc_init -lsmbclient; }
4776 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4777 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4778 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4779 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4780 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4781 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4782 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4783 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4784 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4785 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4786 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4787 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4788 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
4789 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4790 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4791 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4793 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4794 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4795 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 ||
4796 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4797 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4798 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_SVC" -lvpx || disable libvpx_vp9_encoder; } }
4799 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4800 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4801 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4802 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4803 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4804 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
4805 { check_cpp_condition x265.h "X265_BUILD >= 17" ||
4806 die "ERROR: libx265 version must be >= 17."; }
4807 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4808 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4809 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4810 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4811 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4812 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4813 die "ERROR: openal not found"; } &&
4814 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4815 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4816 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4817 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4818 die "ERROR: opencl not found"; } &&
4819 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4820 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4821 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4822 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
4823 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
4824 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
4825 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
4826 die "ERROR: opengl not found."
4828 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4829 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4830 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4831 die "ERROR: openssl not found"; }
4832 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
4834 if enabled gnutls; then
4835 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4836 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4840 if enabled libdc1394; then
4841 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4842 enable libdc1394_2; } ||
4843 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4844 enable libdc1394_1; } ||
4845 die "ERROR: No version of libdc1394 found "
4848 SDL_CONFIG="${cross_prefix}sdl-config"
4849 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4850 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4851 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4854 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4855 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4856 sdl_libs=$("${SDL_CONFIG}" --libs)
4857 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4858 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4859 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4863 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4865 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4866 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4867 perl -v > /dev/null 2>&1 && enable perl || disable perl
4868 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4869 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4871 check_header linux/fb.h
4872 check_header linux/videodev.h
4873 check_header linux/videodev2.h
4874 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4876 check_header sys/videoio.h
4878 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4879 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4880 # w32api 3.12 had it defined wrong
4881 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4883 check_type "dshow.h" IBaseFilter
4885 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4886 { check_header dev/bktr/ioctl_meteor.h &&
4887 check_header dev/bktr/ioctl_bt848.h; } ||
4888 { check_header machine/ioctl_meteor.h &&
4889 check_header machine/ioctl_bt848.h; } ||
4890 { check_header dev/video/meteor/ioctl_meteor.h &&
4891 check_header dev/video/bktr/ioctl_bt848.h; } ||
4892 check_header dev/ic/bt8xx.h
4894 check_header sndio.h
4895 if check_struct sys/soundcard.h audio_buf_info bytes; then
4896 enable_safe sys/soundcard.h
4898 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4899 #include <sys/soundcard.h>
4903 check_header soundcard.h
4905 enabled_any alsa_indev alsa_outdev &&
4906 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4908 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4909 check_func jack_port_get_latency_range -ljack
4911 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4913 if enabled libcdio; then
4914 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4915 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4916 die "ERROR: libcdio-paranoia not found"
4920 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
4923 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4924 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4925 { enabled xlib || die "ERROR: Xlib not found"; }
4927 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
4929 enabled dxva2api_h &&
4930 check_cc <<EOF && enable dxva2api_cobj
4931 #define _WIN32_WINNT 0x0600
4933 #include <windows.h>
4935 #include <dxva2api.h>
4936 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
4940 check_lib va/va.h vaInitialize -lva ||
4944 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4947 enabled vdpau && enabled xlib &&
4948 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4949 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
4952 # Funny iconv installations are not unusual, so check it after all flags have been set
4953 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4955 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4957 # add some useful compiler flags if supported
4958 check_cflags -Wdeclaration-after-statement
4960 check_cflags -Wdisabled-optimization
4961 check_cflags -Wpointer-arith
4962 check_cflags -Wredundant-decls
4963 check_cflags -Wwrite-strings
4964 check_cflags -Wtype-limits
4965 check_cflags -Wundef
4966 check_cflags -Wmissing-prototypes
4967 check_cflags -Wno-pointer-to-int-cast
4968 check_cflags -Wstrict-prototypes
4969 check_cflags -Wempty-body
4970 enabled extra_warnings && check_cflags -Winline
4972 check_disable_warning(){
4973 warning_flag=-W${1#-Wno-}
4974 test_cflags $warning_flag && add_cflags $1
4977 check_disable_warning -Wno-parentheses
4978 check_disable_warning -Wno-switch
4979 check_disable_warning -Wno-format-zero-length
4980 check_disable_warning -Wno-pointer-sign
4982 # add some linker flags
4983 check_ldflags -Wl,--warn-common
4984 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4985 enabled rpath && add_ldflags -Wl,-rpath,$libdir
4986 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4988 # add some strip flags
4989 # -wN '..@*' is more selective than -x, but not available everywhere.
4990 check_stripflags -wN \'..@*\' || check_stripflags -x
4992 enabled neon_clobber_test &&
4993 check_ldflags -Wl,--wrap,avcodec_open2 \
4994 -Wl,--wrap,avcodec_decode_audio4 \
4995 -Wl,--wrap,avcodec_decode_video2 \
4996 -Wl,--wrap,avcodec_decode_subtitle2 \
4997 -Wl,--wrap,avcodec_encode_audio2 \
4998 -Wl,--wrap,avcodec_encode_video2 \
4999 -Wl,--wrap,avcodec_encode_subtitle \
5000 -Wl,--wrap,swr_convert \
5001 -Wl,--wrap,avresample_convert ||
5002 disable neon_clobber_test
5004 enabled xmm_clobber_test &&
5005 check_ldflags -Wl,--wrap,avcodec_open2 \
5006 -Wl,--wrap,avcodec_decode_audio4 \
5007 -Wl,--wrap,avcodec_decode_video2 \
5008 -Wl,--wrap,avcodec_decode_subtitle2 \
5009 -Wl,--wrap,avcodec_encode_audio2 \
5010 -Wl,--wrap,avcodec_encode_video \
5011 -Wl,--wrap,avcodec_encode_video2 \
5012 -Wl,--wrap,avcodec_encode_subtitle \
5013 -Wl,--wrap,swr_convert \
5014 -Wl,--wrap,avresample_convert \
5015 -Wl,--wrap,sws_scale ||
5016 disable xmm_clobber_test
5019 if test_ldflags -Wl,--version-script,$TMPV; then
5020 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5021 check_cc <<EOF && enable symver_asm_label
5022 void ff_foo(void) __asm__ ("av_foo@VERSION");
5023 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5025 check_cc <<EOF && enable symver_gnu_asm
5026 __asm__(".symver ff_foo,av_foo@VERSION");
5027 void ff_foo(void) {}
5031 if [ -z "$optflags" ]; then
5032 if enabled small; then
5033 optflags=$cflags_size
5034 elif enabled optimizations; then
5035 optflags=$cflags_speed
5037 optflags=$cflags_noopt
5043 enabled lto && check_ldflags "$@"
5047 if enabled lto; then
5048 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5050 check_ldflags -flto $cpuflags
5051 disable inline_asm_direct_symbol_refs
5054 check_optflags $optflags
5055 check_optflags -fno-math-errno
5056 check_optflags -fno-signed-zeros
5058 enabled ftrapv && check_cflags -ftrapv
5060 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5065 if enabled icc; then
5066 # Just warnings, no remarks
5068 # -wd: Disable following warnings
5069 # 144, 167, 556: -Wno-pointer-sign
5070 # 188: enumerated type mixed with another type
5071 # 1292: attribute "foo" ignored
5072 # 1419: external declaration in primary source file
5073 # 10006: ignoring unknown option -fno-signed-zeros
5074 # 10148: ignoring unknown option -Wno-parentheses
5075 # 10156: ignoring option '-W'; no argument required
5076 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
5077 # 11030: Warning unknown option --as-needed
5078 # 10156: ignoring option '-export'; no argument required
5079 check_ldflags -wd10156,11030
5080 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5081 enable ebp_available
5082 # The test above does not test linking
5083 enabled lto && disable symver_asm_label
5084 if enabled x86_32; then
5085 icc_version=$($cc -dumpversion)
5086 test ${icc_version%%.*} -ge 11 &&
5087 check_cflags -falign-stack=maintain-16-byte ||
5088 disable aligned_stack
5090 elif enabled ccc; then
5091 # disable some annoying warnings
5092 add_cflags -msg_disable bitnotint
5093 add_cflags -msg_disable mixfuncvoid
5094 add_cflags -msg_disable nonstandcast
5095 add_cflags -msg_disable unsupieee
5096 elif enabled gcc; then
5097 check_optflags -fno-tree-vectorize
5098 check_cflags -Werror=format-security
5099 check_cflags -Werror=implicit-function-declaration
5100 check_cflags -Werror=missing-prototypes
5101 check_cflags -Werror=return-type
5102 check_cflags -Werror=vla
5103 check_cflags -Wformat
5104 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5105 elif enabled llvm_gcc; then
5106 check_cflags -mllvm -stack-alignment=16
5107 elif enabled clang; then
5108 check_cflags -mllvm -stack-alignment=16
5109 check_cflags -Qunused-arguments
5110 check_cflags -Werror=implicit-function-declaration
5111 check_cflags -Werror=missing-prototypes
5112 check_cflags -Werror=return-type
5113 elif enabled cparser; then
5114 add_cflags -Wno-missing-variable-declarations
5115 add_cflags -Wno-empty-statement
5116 elif enabled armcc; then
5117 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5118 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5119 # 2523: use of inline assembly is deprecated
5120 add_cflags -W${armcc_opt},--diag_suppress=2523
5121 add_cflags -W${armcc_opt},--diag_suppress=1207
5122 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5123 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5124 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5125 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5126 elif enabled tms470; then
5127 add_cflags -pds=824 -pds=837
5129 elif enabled pathscale; then
5130 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5131 elif enabled_any msvc icl; then
5132 enabled x86_32 && disable aligned_stack
5133 enabled_all x86_32 debug && add_cflags -Oy-
5134 enabled debug && add_ldflags -debug
5135 enable pragma_deprecated
5136 if enabled icl; then
5137 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5138 # (correctly) on icl 13.x.
5139 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5140 add_cflags -Qansi-alias
5141 # Some inline asm is not compilable in debug
5142 if enabled debug; then
5143 disable ebp_available
5144 disable ebx_available
5147 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 onwards actually has log2.
5148 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5153 add_asflags -Qunused-arguments
5159 check_ldflags -Qunused-arguments
5165 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5168 add_cppflags -Dmain=plan9_main
5172 enable frame_thread_encoder
5174 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5176 check_deps $CONFIG_LIST \
5181 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"
5184 if test $target_os = "haiku"; then
5186 disable posix_memalign
5189 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5190 prepend ffmpeg_libs $($ldflags_filter "-lole32") &&
5193 ! enabled_any memalign posix_memalign aligned_malloc &&
5194 enabled $simd_align_16 && enable memalign_hack
5197 # -> enable ${lib}_deps_${dep}
5198 # -> add $dep to ${lib}_deps only once
5202 enabled "${lib}_deps_${dep}" && return 0
5203 enable "${lib}_deps_${dep}"
5204 prepend "${lib}_deps" $dep
5207 # merge deps lib components
5208 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5213 enabled $comp || continue
5214 eval "dep=\"\$${comp}_deps\""
5221 merge_deps libavfilter $FILTER_LIST
5223 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5225 for thread in $THREADS_LIST; do
5226 if enabled $thread; then
5227 test -n "$thread_type" &&
5228 die "ERROR: Only one thread type must be selected." ||
5229 thread_type="$thread"
5233 # conditional library dependencies, in linking order
5234 enabled aconvert_filter && prepend avfilter_deps "swresample"
5235 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5236 enabled aresample_filter && prepend avfilter_deps "swresample"
5237 enabled asyncts_filter && prepend avfilter_deps "avresample"
5238 enabled atempo_filter && prepend avfilter_deps "avcodec"
5239 enabled decimate_filter && prepend avfilter_deps "avcodec"
5240 enabled deshake_filter && prepend avfilter_deps "avcodec"
5241 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5242 enabled elbg_filter && prepend avfilter_deps "avcodec"
5243 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5244 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5245 enabled mp_filter && prepend avfilter_deps "avcodec"
5246 enabled pan_filter && prepend avfilter_deps "swresample"
5247 enabled pp_filter && prepend avfilter_deps "postproc"
5248 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5249 enabled resample_filter && prepend avfilter_deps "avresample"
5250 enabled sab_filter && prepend avfilter_deps "swscale"
5251 enabled scale_filter && prepend avfilter_deps "swscale"
5252 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5253 enabled smartblur_filter && prepend avfilter_deps "swscale"
5254 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5256 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5258 enabled opus_decoder && prepend avcodec_deps "swresample"
5262 eval "deps=\$$lib_deps"
5263 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5267 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5268 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5270 map 'expand_deps $v' $LIBRARY_LIST
5272 echo "install prefix $prefix"
5273 echo "source path $source_path"
5274 echo "C compiler $cc"
5275 echo "C library $libc_type"
5276 if test "$host_cc" != "$cc"; then
5277 echo "host C compiler $host_cc"
5278 echo "host C library $host_libc_type"
5280 echo "ARCH $arch ($cpu)"
5281 if test "$build_suffix" != ""; then
5282 echo "build suffix $build_suffix"
5284 if test "$progs_suffix" != ""; then
5285 echo "progs suffix $progs_suffix"
5287 if test "$extra_version" != ""; then
5288 echo "version string suffix $extra_version"
5290 echo "big-endian ${bigendian-no}"
5291 echo "runtime cpu detection ${runtime_cpudetect-no}"
5292 if enabled x86; then
5293 echo "${yasmexe} ${yasm-no}"
5294 echo "MMX enabled ${mmx-no}"
5295 echo "MMXEXT enabled ${mmxext-no}"
5296 echo "3DNow! enabled ${amd3dnow-no}"
5297 echo "3DNow! extended enabled ${amd3dnowext-no}"
5298 echo "SSE enabled ${sse-no}"
5299 echo "SSSE3 enabled ${ssse3-no}"
5300 echo "AVX enabled ${avx-no}"
5301 echo "XOP enabled ${xop-no}"
5302 echo "FMA3 enabled ${fma3-no}"
5303 echo "FMA4 enabled ${fma4-no}"
5304 echo "i686 features enabled ${i686-no}"
5305 echo "CMOV is fast ${fast_cmov-no}"
5306 echo "EBX available ${ebx_available-no}"
5307 echo "EBP available ${ebp_available-no}"
5309 if enabled aarch64; then
5310 echo "NEON enabled ${neon-no}"
5311 echo "VFP enabled ${vfp-no}"
5313 if enabled arm; then
5314 echo "ARMv5TE enabled ${armv5te-no}"
5315 echo "ARMv6 enabled ${armv6-no}"
5316 echo "ARMv6T2 enabled ${armv6t2-no}"
5317 echo "VFP enabled ${vfp-no}"
5318 echo "NEON enabled ${neon-no}"
5319 echo "THUMB enabled ${thumb-no}"
5321 if enabled mips; then
5322 echo "MIPS FPU enabled ${mipsfpu-no}"
5323 echo "MIPS32R2 enabled ${mips32r2-no}"
5324 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5325 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5327 if enabled ppc; then
5328 echo "AltiVec enabled ${altivec-no}"
5329 echo "PPC 4xx optimizations ${ppc4xx-no}"
5330 echo "PPC VSX optimizations ${vsx-no}"
5331 echo "dcbzl available ${dcbzl-no}"
5333 echo "debug symbols ${debug-no}"
5334 echo "strip symbols ${stripping-no}"
5335 echo "optimize for size ${small-no}"
5336 echo "optimizations ${optimizations-no}"
5337 echo "static ${static-no}"
5338 echo "shared ${shared-no}"
5339 echo "postprocessing support ${postproc-no}"
5340 echo "new filter support ${avfilter-no}"
5341 echo "network support ${network-no}"
5342 echo "threading support ${thread_type-no}"
5343 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5344 echo "SDL support ${sdl-no}"
5345 echo "opencl enabled ${opencl-no}"
5346 echo "texi2html enabled ${texi2html-no}"
5347 echo "perl enabled ${perl-no}"
5348 echo "pod2man enabled ${pod2man-no}"
5349 echo "makeinfo enabled ${makeinfo-no}"
5350 test -n "$random_seed" &&
5351 echo "random seed ${random_seed}"
5354 echo "External libraries:"
5355 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5358 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5359 echo "Enabled ${type}s:"
5360 eval list=\$$(toupper $type)_LIST
5361 print_enabled '_*' $list | print_3_columns
5365 license="LGPL version 2.1 or later"
5366 if enabled nonfree; then
5367 license="nonfree and unredistributable"
5368 elif enabled gplv3; then
5369 license="GPL version 3 or later"
5370 elif enabled lgplv3; then
5371 license="LGPL version 3 or later"
5372 elif enabled gpl; then
5373 license="GPL version 2 or later"
5376 echo "License: $license"
5378 echo "Creating config.mak, config.h, and doc/config.texi..."
5380 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5382 enabled stripping || strip="echo skipping strip"
5384 config_files="$TMPH config.mak doc/config.texi"
5386 cat > config.mak <<EOF
5387 # Automatically generated by configure - do not modify!
5388 ifndef FFMPEG_CONFIG_MAK
5390 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5392 LIBDIR=\$(DESTDIR)$libdir
5393 SHLIBDIR=\$(DESTDIR)$shlibdir
5394 INCDIR=\$(DESTDIR)$incdir
5395 BINDIR=\$(DESTDIR)$bindir
5396 DATADIR=\$(DESTDIR)$datadir
5397 DOCDIR=\$(DESTDIR)$docdir
5398 MANDIR=\$(DESTDIR)$mandir
5399 SRC_PATH=$source_path
5400 ifndef MAIN_MAKEFILE
5401 SRC_PATH:=\$(SRC_PATH:.%=..%)
5405 INTRINSICS=$intrinsics
5411 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5413 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5442 LDEXEFLAGS=$LDEXEFLAGS
5443 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5444 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5445 YASMFLAGS=$YASMFLAGS
5446 BUILDSUF=$build_suffix
5447 PROGSSUF=$progs_suffix
5455 EXTRA_VERSION=$extra_version
5458 CCDEP_FLAGS=$CCDEP_FLAGS
5460 ASDEP_FLAGS=$ASDEP_FLAGS
5461 CC_DEPFLAGS=$CC_DEPFLAGS
5462 AS_DEPFLAGS=$AS_DEPFLAGS
5465 HOSTCFLAGS=$host_cflags
5466 HOSTCPPFLAGS=$host_cppflags
5467 HOSTEXESUF=$HOSTEXESUF
5468 HOSTLDFLAGS=$host_ldflags
5471 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5472 HOSTCCDEP=$HOSTCCDEP
5473 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5474 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5478 TARGET_EXEC=$target_exec $target_exec_args
5479 TARGET_PATH=$target_path
5480 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5481 CFLAGS-ffplay=$sdl_cflags
5482 ZLIB=$($ldflags_filter -lz)
5483 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5484 EXTRALIBS=$extralibs
5485 COMPAT_OBJS=$compat_objs
5488 LIBTARGET=${LIBTARGET}
5489 SLIBNAME=${SLIBNAME}
5490 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5491 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5492 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5493 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5494 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5495 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5496 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5497 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5498 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5499 NOREDZONE_FLAGS=$noredzone_flags
5504 name=$(toupper $lcname)
5505 file=$source_path/$lcname/version.h
5506 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5507 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5508 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5509 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5510 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5511 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5514 map 'get_version $v' $LIBRARY_LIST
5516 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
5518 print_program_libs(){
5519 eval "program_libs=\$${1}_libs"
5520 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5523 map 'print_program_libs $v' $PROGRAM_LIST
5526 /* Automatically generated by configure - do not modify! */
5527 #ifndef FFMPEG_CONFIG_H
5528 #define FFMPEG_CONFIG_H
5529 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5530 #define FFMPEG_LICENSE "$(c_escape $license)"
5531 #define CONFIG_THIS_YEAR 2014
5532 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5533 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5534 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5535 #define av_restrict $_restrict
5536 #define EXTERN_PREFIX "${extern_prefix}"
5537 #define EXTERN_ASM ${extern_prefix}
5538 #define BUILDSUF "$build_suffix"
5539 #define SLIBSUF "$SLIBSUF"
5540 #define HAVE_MMX2 HAVE_MMXEXT
5541 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
5544 test -n "$assert_level" &&
5545 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5547 test -n "$malloc_prefix" &&
5548 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5550 if enabled yasm; then
5551 append config_files $TMPASM
5555 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5559 echo "@c auto-generated by configure" > doc/config.texi
5561 print_config ARCH_ "$config_files" $ARCH_LIST
5562 print_config HAVE_ "$config_files" $HAVE_LIST
5563 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5567 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5568 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5570 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5571 cp_if_changed $TMPH config.h
5574 enabled yasm && cp_if_changed $TMPASM config.asm
5577 /* Generated by ffconf */
5578 #ifndef AVUTIL_AVCONFIG_H
5579 #define AVUTIL_AVCONFIG_H
5582 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5584 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5586 cp_if_changed $TMPH libavutil/avconfig.h
5588 if test -n "$WARNINGS"; then
5589 printf "\n$WARNINGS"
5590 enabled fatal_warnings && exit 1
5593 # build pkg-config files
5596 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
5599 pkgconfig_generate(){
5601 shortname=${name#lib}${build_suffix}
5605 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
5606 requires=${requires%, }
5607 enabled ${name#lib} || return 0
5609 cat <<EOF > $name/$name${build_suffix}.pc
5611 exec_prefix=\${prefix}
5616 Description: $comment
5618 Requires: $(enabled shared || echo $requires)
5619 Requires.private: $(enabled shared && echo $requires)
5621 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5622 Libs.private: $(enabled shared && echo $libs)
5623 Cflags: -I\${includedir}
5626 mkdir -p doc/examples/pc-uninstalled
5627 includedir=${source_path}
5628 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5629 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5632 libdir=\${pcfiledir}/../../../$name
5633 includedir=${includedir}
5636 Description: $comment
5640 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5641 Cflags: -I\${includedir}
5645 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5646 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
5647 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
5648 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
5649 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
5650 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
5651 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
5652 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
5653 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"