3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --enable-rpath use rpath to allow installing libraries in paths
91 not part of the dynamic linker search path
94 --enable-gpl allow use of GPL code, the resulting libs
95 and binaries will be under GPL [no]
96 --enable-version3 upgrade (L)GPL to version 3 [no]
97 --enable-nonfree allow use of nonfree code, the resulting libs
98 and binaries will be unredistributable [no]
100 Configuration options:
101 --disable-static do not build static libraries [no]
102 --enable-shared build shared libraries [no]
103 --enable-small optimize for size instead of speed
104 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
105 --enable-gray enable full grayscale support (slower color)
106 --disable-swscale-alpha disable alpha channel support in swscale
107 --disable-all disable building components, libraries and programs
108 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
109 --enable-incompatible-fork-abi enable incompatible Libav fork ABI (deprecated) [no]
110 --enable-raise-major increase major version numbers in sonames [no]
113 --disable-programs do not build command line programs
114 --disable-ffmpeg disable ffmpeg build
115 --disable-ffplay disable ffplay build
116 --disable-ffprobe disable ffprobe build
117 --disable-ffserver disable ffserver build
119 Documentation options:
120 --disable-doc do not build documentation
121 --disable-htmlpages do not build HTML documentation pages
122 --disable-manpages do not build man documentation pages
123 --disable-podpages do not build POD documentation pages
124 --disable-txtpages do not build text documentation pages
127 --disable-avdevice disable libavdevice build
128 --disable-avcodec disable libavcodec build
129 --disable-avformat disable libavformat build
130 --disable-avutil disable libavutil build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build [no]
136 --disable-pthreads disable pthreads [auto]
137 --disable-w32threads disable Win32 threads [auto]
138 --disable-os2threads disable OS/2 threads [auto]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
149 Hardware accelerators:
150 --disable-dxva2 disable DXVA2 code [autodetect]
151 --disable-vaapi disable VAAPI code [autodetect]
152 --enable-vda enable VDA code
153 --disable-vdpau disable VDPAU code [autodetect]
155 Individual component options:
156 --disable-everything disable all components listed below
157 --disable-encoder=NAME disable encoder NAME
158 --enable-encoder=NAME enable encoder NAME
159 --disable-encoders disable all encoders
160 --disable-decoder=NAME disable decoder NAME
161 --enable-decoder=NAME enable decoder NAME
162 --disable-decoders disable all decoders
163 --disable-hwaccel=NAME disable hwaccel NAME
164 --enable-hwaccel=NAME enable hwaccel NAME
165 --disable-hwaccels disable all hwaccels
166 --disable-muxer=NAME disable muxer NAME
167 --enable-muxer=NAME enable muxer NAME
168 --disable-muxers disable all muxers
169 --disable-demuxer=NAME disable demuxer NAME
170 --enable-demuxer=NAME enable demuxer NAME
171 --disable-demuxers disable all demuxers
172 --enable-parser=NAME enable parser NAME
173 --disable-parser=NAME disable parser NAME
174 --disable-parsers disable all parsers
175 --enable-bsf=NAME enable bitstream filter NAME
176 --disable-bsf=NAME disable bitstream filter NAME
177 --disable-bsfs disable all bitstream filters
178 --enable-protocol=NAME enable protocol NAME
179 --disable-protocol=NAME disable protocol NAME
180 --disable-protocols disable all protocols
181 --enable-indev=NAME enable input device NAME
182 --disable-indev=NAME disable input device NAME
183 --disable-indevs disable input devices
184 --enable-outdev=NAME enable output device NAME
185 --disable-outdev=NAME disable output device NAME
186 --disable-outdevs disable output devices
187 --disable-devices disable all devices
188 --enable-filter=NAME enable filter NAME
189 --disable-filter=NAME disable filter NAME
190 --disable-filters disable all filters
192 External library support:
193 --enable-avisynth enable reading of AviSynth script files [no]
194 --disable-bzlib disable bzlib [autodetect]
195 --enable-fontconfig enable fontconfig
196 --enable-frei0r enable frei0r video filtering
197 --enable-gnutls enable gnutls [no]
198 --disable-iconv disable iconv [autodetect]
199 --enable-ladspa enable LADSPA audio filtering
200 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
201 --enable-libass enable libass subtitles rendering [no]
202 --enable-libbluray enable BluRay reading using libbluray [no]
203 --enable-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-libgme enable Game Music Emu via libgme [no]
213 --enable-libgsm enable GSM de/encoding via libgsm [no]
214 --enable-libiec61883 enable iec61883 via libiec61883 [no]
215 --enable-libilbc enable iLBC de/encoding via libilbc [no]
216 --enable-libmodplug enable ModPlug via libmodplug [no]
217 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
218 --enable-libnut enable NUT (de)muxing via libnut,
219 native (de)muxer exists [no]
220 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
221 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
222 --enable-libopencv enable video filtering via libopencv [no]
223 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
224 --enable-libopus enable Opus decoding via libopus [no]
225 --enable-libpulse enable Pulseaudio input via libpulse [no]
226 --enable-libquvi enable quvi input via libquvi [no]
227 --enable-librtmp enable RTMP[E] support via librtmp [no]
228 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
229 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
230 --enable-libsoxr enable Include libsoxr resampling [no]
231 --enable-libspeex enable Speex de/encoding via libspeex [no]
232 --enable-libssh enable SFTP protocol via libssh [no]
233 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
234 --enable-libtheora enable Theora encoding via libtheora [no]
235 --enable-libtwolame enable MP2 encoding via libtwolame [no]
236 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
237 --enable-libv4l2 enable libv4l2/v4l-utils [no]
238 --enable-libvidstab enable video stabilization using vid.stab [no]
239 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
240 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
241 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
242 native implementation exists [no]
243 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
244 --enable-libwavpack enable wavpack encoding via libwavpack [no]
245 --enable-libwebp enable WebP encoding via libwebp [no]
246 --enable-libx264 enable H.264 encoding via x264 [no]
247 --enable-libx265 enable HEVC encoding via x265 [no]
248 --enable-libxavs enable AVS encoding via xavs [no]
249 --enable-libxvid enable Xvid encoding via xvidcore,
250 native MPEG-4/Xvid encoder exists [no]
251 --enable-libzmq enable message passing via libzmq [no]
252 --enable-libzvbi enable teletext support via libzvbi [no]
253 --enable-decklink enable Blackmagick DeckLink output [no]
254 --enable-openal enable OpenAL 1.1 capture support [no]
255 --enable-opencl enable OpenCL code
256 --enable-opengl enable OpenGL rendering [no]
257 --enable-openssl enable openssl [no]
258 --enable-x11grab enable X11 grabbing [no]
259 --disable-xlib disable xlib [autodetect]
260 --disable-zlib disable zlib [autodetect]
262 Advanced options (experts only):
263 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
264 --enable-cross-compile assume a cross-compiler is used
265 --sysroot=PATH root of cross-build tree
266 --sysinclude=PATH location of cross-build system headers
267 --target-os=OS compiler targets OS [$target_os]
268 --target-exec=CMD command to run executables on target
269 --target-path=DIR path to view of build directory on target
270 --target-samples=DIR path to samples directory on target
271 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
272 --toolchain=NAME set tool defaults according to NAME
273 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
274 --nm=NM use nm tool NM [$nm_default]
275 --ar=AR use archive tool AR [$ar_default]
276 --as=AS use assembler AS [$as_default]
277 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
278 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
279 --cc=CC use C compiler CC [$cc_default]
280 --cxx=CXX use C compiler CXX [$cxx_default]
281 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
282 --ld=LD use linker LD [$ld_default]
283 --host-cc=HOSTCC use host C compiler HOSTCC
284 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
285 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
286 --host-ld=HOSTLD use host linker HOSTLD
287 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
288 --host-libs=HLIBS use libs HLIBS when linking for host
289 --host-os=OS compiler host OS [$target_os]
290 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
291 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
292 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
293 --extra-libs=ELIBS add ELIBS [$ELIBS]
294 --extra-version=STRING version string suffix []
295 --optflags=OPTFLAGS override optimization-related compiler flags
296 --build-suffix=SUFFIX library name suffix []
297 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
298 --progs-suffix=SUFFIX program name suffix []
299 --arch=ARCH select architecture [$arch]
300 --cpu=CPU select the minimum required CPU (affects
301 instruction selection, may crash on older CPUs)
302 --enable-pic build position-independent code
303 --enable-sram allow use of on-chip SRAM
304 --enable-thumb compile for Thumb instruction set
305 --disable-symver disable symbol versioning
306 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
307 --disable-safe-bitstream-reader
308 disable buffer boundary checking in bitreaders
309 (faster, but may crash)
310 --enable-memalign-hack emulate memalign, interferes with memory debuggers
311 --enable-lto use link-time optimization
313 Optimization options (experts only):
314 --disable-asm disable all assembler optimizations
315 --disable-altivec disable AltiVec optimizations
316 --disable-amd3dnow disable 3DNow! optimizations
317 --disable-amd3dnowext disable 3DNow! extended optimizations
318 --disable-mmx disable MMX optimizations
319 --disable-mmxext disable MMXEXT optimizations
320 --disable-sse disable SSE optimizations
321 --disable-sse2 disable SSE2 optimizations
322 --disable-sse3 disable SSE3 optimizations
323 --disable-ssse3 disable SSSE3 optimizations
324 --disable-sse4 disable SSE4 optimizations
325 --disable-sse42 disable SSE4.2 optimizations
326 --disable-avx disable AVX optimizations
327 --disable-xop disable XOP optimizations
328 --disable-fma3 disable FMA3 optimizations
329 --disable-fma4 disable FMA4 optimizations
330 --disable-avx2 disable AVX2 optimizations
331 --disable-armv5te disable armv5te optimizations
332 --disable-armv6 disable armv6 optimizations
333 --disable-armv6t2 disable armv6t2 optimizations
334 --disable-vfp disable VFP optimizations
335 --disable-neon disable NEON optimizations
336 --disable-vis disable VIS optimizations
337 --disable-inline-asm disable use of inline assembler
338 --disable-yasm disable use of yasm assembler
339 --disable-mips32r2 disable MIPS32R2 optimizations
340 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
341 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
342 --disable-mipsfpu disable floating point MIPS optimizations
343 --disable-fast-unaligned consider unaligned accesses slow
345 Developer options (useful when working on FFmpeg itself):
346 --disable-debug disable debugging symbols
347 --enable-debug=LEVEL set the debug level [$debuglevel]
348 --disable-optimizations disable compiler optimizations
349 --enable-extra-warnings enable more compiler warnings
350 --disable-stripping disable stripping of executables and shared libraries
351 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
352 2 causes a slowdown at runtime.
353 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
354 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
355 leaks and errors, using the specified valgrind binary.
356 Cannot be combined with --target-exec
357 --enable-ftrapv Trap arithmetic overflows
358 --samples=PATH location of test samples for FATE, if not set use
359 \$FATE_SAMPLES at make invocation time.
360 --enable-neon-clobber-test check NEON registers for clobbering (should be
361 used only for debugging purposes)
362 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
363 should be used only for debugging purposes)
364 --enable-random randomly enable/disable components
366 --enable-random=LIST randomly enable/disable specific components or
367 --disable-random=LIST component groups. LIST is a comma-separated list
368 of NAME[:PROB] entries where NAME is a component
369 (group) and PROB the probability associated with
371 --random-seed=VALUE seed value for --enable/disable-random
373 NOTE: Object files are built at the place where configure is launched.
381 echo "$@" >> $logfile
386 pr -n -t $1 >> $logfile
397 WARNINGS="${WARNINGS}WARNING: $*\n"
404 If you think configure made a mistake, make sure you are using the latest
405 version from Git. If the latest version fails, report the problem to the
406 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
408 if disabled logging; then
410 Rerun configure with logging enabled (do not use --disable-logging), and
411 include the log this produces with your report.
415 Include the log file "$logfile" produced by configure as this will help
422 # Avoid locale weirdness, besides we really just want to translate ASCII.
424 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
428 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
432 echo "$*" | sed 's/["\\]/\\\0/g'
436 v=$(echo "$1" | sed "s/'/'\\\\''/g")
437 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
442 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
449 eval "case $v in $pat) echo $v ;; esac"
457 eval "case $v in $pat) ;; *) echo $v ;; esac"
464 for v; do eval $m; done
470 for v; do echo ${v}${suffix}; done
485 eval : \${$var:=$value}
490 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
496 eval $(sanitize_var_name "$var")='$*'
500 eval echo \$$(sanitize_var_name "$1")
505 eval level=\${${pvar}_level:=0}
506 eval ${pvar}_${level}="\$$pvar"
507 eval ${pvar}_level=$(($level+1))
513 eval level=\${${pvar}_level:-0}
514 test $level = 0 && continue
515 eval level=$(($level-1))
516 eval $pvar="\${${pvar}_${level}}"
517 eval ${pvar}_level=$level
518 eval unset ${pvar}_${level}
540 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
546 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
552 enabled $var && continue
553 eval sel="\$${var}_select"
554 eval sgs="\$${var}_suggest"
558 enable_deep_weak $sgs
570 disabled $var && continue
579 test "${1#!}" = "$1" && op== || op=!=
580 eval test "x\$${1#!}" $op "xyes"
584 test "${1#!}" = "$1" && op== || op=!=
585 eval test "x\$${1#!}" $op "xno"
590 enabled $opt || return 1
596 disabled $opt || return 1
602 enabled $opt && return 0
608 disabled $opt && return 0
615 eval : \${$opt:=\$${opt}_default}
623 [ $var = $value ] && return 0
631 enabled ${cfg}_checking && die "Circular dependency for $cfg."
632 disabled ${cfg}_checking && continue
633 enable ${cfg}_checking
636 eval dep_all="\$${cfg}_deps"
637 eval dep_any="\$${cfg}_deps_any"
638 eval dep_sel="\$${cfg}_select"
639 eval dep_sgs="\$${cfg}_suggest"
640 eval dep_ifa="\$${cfg}_if"
641 eval dep_ifn="\$${cfg}_if_any"
643 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
644 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
645 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
647 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
648 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
649 enabled_all $dep_all || disable $cfg
650 enabled_any $dep_any || disable $cfg
651 disabled_any $dep_sel && disable $cfg
653 if enabled $cfg; then
655 enable_deep_weak $dep_sgs
658 disable ${cfg}_checking
667 for cfg in $allopts; do
668 enabled $cfg || continue
669 eval dep_extralibs="\$${cfg}_extralibs"
670 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
678 map 'eval echo "$v \${$v:-no}"' "$@" |
679 awk "BEGIN { split(\"$files\", files) }
681 c = \"$pfx\" toupper(\$1);
687 if (file ~ /\\.h\$/) {
688 printf(\"#define %s %d\\n\", c, v) >>file;
689 } else if (file ~ /\\.asm\$/) {
690 printf(\"%%define %s %d\\n\", c, v) >>file;
691 } else if (file ~ /\\.mak\$/) {
692 n = -v ? \"\" : \"!\";
693 printf(\"%s%s=yes\\n\", n, c) >>file;
694 } else if (file ~ /\\.texi\$/) {
695 pre = -v ? \"\" : \"@c \";
698 gsub(/_/, \"-\", c2);
699 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
709 enabled $v && printf "%s\n" ${v%$suf};
716 eval "$var=\"\$$var $*\""
722 eval "$var=\"$* \$$var\""
730 append CFLAGS $($cflags_filter "$@")
734 append CXXFLAGS $($cflags_filter "$@")
738 append ASFLAGS $($asflags_filter "$@")
742 append LDFLAGS $($ldflags_filter "$@")
746 append ASMSTRIPFLAGS "$@"
750 prepend extralibs $($ldflags_filter "$@")
754 append host_cppflags "$@"
758 append host_cflags $($host_cflags_filter "$@")
762 append host_ldflags $($host_ldflags_filter "$@")
766 append compat_objs $1
768 map 'add_cppflags -D$v' "$@"
773 "$@" >> $logfile 2>&1
777 eval printf '%s\\n' $CC_O
781 eval printf '%s\\n' $CC_E
788 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
795 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
802 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
806 eval printf '%s\\n' $AS_O
813 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
817 log check_inline_asm "$@"
822 check_cc "$@" <<EOF && enable $name
823 void foo(void){ __asm__ volatile($code); }
829 check_inline_asm ${1}_inline "\"$2\""
830 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
838 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
842 eval printf '%s\\n' $LD_O
849 flags=$(filter_out '-l*|*.so' $@)
850 libs=$(filter '-l*|*.so' $@)
851 check_$type $($cflags_filter $flags) || return
852 flags=$($ldflags_filter $flags)
853 libs=$($ldflags_filter $libs)
854 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
859 test "${hdr%.h}" = "${hdr}" &&
860 echo "#include $hdr" ||
861 echo "#include <$hdr>"
871 for hdr in $headers; do
874 echo "int main(void) { $code; return 0; }"
875 } | check_$check "$@"
879 log check_cppflags "$@"
880 check_cc "$@" <<EOF && append CPPFLAGS "$@"
887 set -- $($cflags_filter "$@")
894 log check_cflags "$@"
895 test_cflags "$@" && add_cflags "$@"
899 log check_cxxflags "$@"
900 set -- $($cflags_filter "$@")
901 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
907 log test_ldflags "$@"
908 check_ld "cc" "$@" <<EOF
909 int main(void){ return 0; }
914 log check_ldflags "$@"
915 test_ldflags "$@" && add_ldflags "$@"
919 log test_stripflags "$@"
920 # call check_cc to get a fresh TMPO
922 int main(void) { return 0; }
924 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
928 log check_stripflags "$@"
929 test_stripflags "$@" && add_stripflags "$@"
933 log check_header "$@"
937 check_cpp "$@" <<EOF && enable_safe $header
948 check_ld "cc" "$@" <<EOF && enable $func
950 int main(void){ $func(); }
955 log check_mathfunc "$@"
959 test $narg = 2 && args="f, g" || args="f"
961 check_ld "cc" "$@" <<EOF && enable $func
963 float foo(float f, float g) { return $func($args); }
964 int main(void){ return (int) foo; }
968 check_func_headers(){
969 log check_func_headers "$@"
974 for hdr in $headers; do
977 for func in $funcs; do
978 echo "long check_$func(void) { return (long) $func; }"
980 echo "int main(void) { return 0; }"
981 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
984 check_class_headers_cpp(){
985 log check_class_headers_cpp "$@"
990 for hdr in $headers; do
991 echo "#include <$hdr>"
993 echo "int main(void) { "
995 for class in $classes; do
1000 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1003 check_cpp_condition(){
1004 log check_cpp_condition "$@"
1008 check_cpp "$@" <<EOF
1011 #error "unsatisfied condition: $condition"
1021 check_header $header && check_func $func "$@" && add_extralibs "$@"
1029 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1033 log check_lib_cpp "$@"
1037 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1041 log check_pkg_config "$@"
1047 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1048 pkg_cflags=$($pkg_config --cflags $pkg)
1049 pkg_libs=$($pkg_config --libs $pkg)
1050 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1051 set_safe ${pkg}_cflags $pkg_cflags &&
1052 set_safe ${pkg}_libs $pkg_libs
1056 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1062 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1063 # are safe but may not be available everywhere. Thus we use
1064 # raise(SIGTERM) instead. The check is run in a subshell so we
1065 # can redirect the "Terminated" message from the shell. SIGBUS
1066 # is not defined by standard C so it is used conditionally.
1068 (check_exec "$@") >> $logfile 2>&1 <<EOF
1070 static void sighandler(int sig){
1076 int (*func_ptr)(void) = foo;
1078 signal(SIGILL, sighandler);
1079 signal(SIGFPE, sighandler);
1080 signal(SIGSEGV, sighandler);
1082 signal(SIGBUS, sighandler);
1094 disable_safe "$type"
1095 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1099 log check_struct "$@"
1104 disable_safe "${struct}_${member}"
1105 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1106 enable_safe "${struct}_${member}"
1110 log check_builtin "$@"
1116 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1119 check_compile_assert(){
1120 log check_compile_assert "$@"
1126 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1134 check_lib $header $func "$@" || die "ERROR: $name not found"
1142 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1150 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1153 require_pkg_config(){
1155 check_pkg_config "$@" || die "ERROR: $pkg not found"
1156 add_cflags $(get_safe ${pkg}_cflags)
1157 add_extralibs $(get_safe ${pkg}_libs)
1160 require_libfreetype(){
1161 log require_libfreetype "$@"
1163 check_cmd $pkg_config --exists --print-errors $pkg \
1164 || die "ERROR: $pkg not found"
1165 pkg_cflags=$($pkg_config --cflags $pkg)
1166 pkg_libs=$($pkg_config --libs $pkg)
1168 echo "#include <ft2build.h>"
1169 echo "#include FT_FREETYPE_H"
1170 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1171 echo "int main(void) { return 0; }"
1172 } | check_ld "cc" $pkg_cflags $pkg_libs \
1173 && set_safe ${pkg}_cflags $pkg_cflags \
1174 && set_safe ${pkg}_libs $pkg_libs \
1175 || die "ERROR: $pkg not found"
1176 add_cflags $(get_safe ${pkg}_cflags)
1177 add_extralibs $(get_safe ${pkg}_libs)
1181 eval printf '%s\\n' $HOSTCC_E
1185 eval printf '%s\\n' $HOSTCC_O
1189 log check_host_cc "$@"
1192 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1196 log check_host_cpp "$@"
1199 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1202 check_host_cppflags(){
1203 log check_host_cppflags "$@"
1204 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1209 check_host_cflags(){
1210 log check_host_cflags "$@"
1211 set -- $($host_cflags_filter "$@")
1212 check_host_cc "$@" <<EOF && append host_cflags "$@"
1217 check_host_cpp_condition(){
1218 log check_host_cpp_condition "$@"
1222 check_host_cpp "$@" <<EOF
1225 #error "unsatisfied condition: $condition"
1233 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1237 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1238 mkdir -p "$(dirname $2)"
1242 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1243 # system-dependent things.
1260 avio_reading_example
1262 demuxing_decoding_example
1263 filter_audio_example
1264 filtering_audio_example
1265 filtering_video_example
1269 resampling_audio_example
1270 scaling_video_example
1271 transcode_aac_example
1274 EXTERNAL_LIBRARY_LIST="
1381 $EXTERNAL_LIBRARY_LIST
1394 incompatible_libav_abi
1395 incompatible_fork_abi
1409 safe_bitstream_reader
1468 ARCH_EXT_LIST_X86_SIMD="
1487 $ARCH_EXT_LIST_X86_SIMD
1513 incompatible_libav_abi
1514 incompatible_fork_abi
1547 $(add_suffix _external $ARCH_EXT_LIST)
1548 $(add_suffix _inline $ARCH_EXT_LIST)
1567 cdio_paranoia_paranoia_h
1574 dev_bktr_ioctl_bt848_h
1575 dev_bktr_ioctl_meteor_h
1577 dev_video_bktr_ioctl_bt848_h
1578 dev_video_meteor_ioctl_meteor_h
1596 GetProcessAffinityMask
1597 GetProcessMemoryInfo
1601 GetSystemTimeAsFileTime
1613 jack_port_get_latency_range
1626 machine_ioctl_bt848_h
1627 machine_ioctl_meteor_h
1639 openjpeg_1_5_openjpeg_h
1653 SetConsoleTextAttribute
1662 struct_group_source_req
1663 struct_ip_mreq_source
1666 struct_rusage_ru_maxrss
1667 struct_sctp_event_subscribe
1669 struct_sockaddr_sa_len
1670 struct_sockaddr_storage
1671 struct_stat_st_mtim_tv_nsec
1672 struct_v4l2_frmivalenum_discrete
1675 sync_val_compare_and_swap
1702 # options emitted with CONFIG_ prefix but not available on the command line
1709 frame_thread_encoder
1814 # code dependency declarations
1816 # architecture extensions
1821 neon_deps_any="aarch64 arm"
1822 vfp_deps_any="aarch64 arm"
1825 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1828 mips32r2_deps="mips"
1829 mipsdspr1_deps="mips"
1830 mipsdspr2_deps="mips"
1838 x86_64_select="i686"
1839 x86_64_suggest="fast_cmov"
1842 amd3dnowext_deps="amd3dnow"
1858 mmx_external_deps="yasm"
1859 mmx_inline_deps="inline_asm"
1860 mmx_suggest="mmx_external mmx_inline"
1862 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1863 eval dep=\$${ext}_deps
1864 eval ${ext}_external_deps='"${dep}_external"'
1865 eval ${ext}_inline_deps='"${dep}_inline"'
1866 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1869 aligned_stack_if_any="aarch64 ppc x86"
1870 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1871 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1872 fast_unaligned_if_any="aarch64 ppc x86"
1874 need_memalign="altivec neon sse"
1876 # system capabilities
1877 log2_deps="!libc_msvcrt"
1879 symver_if_any="symver_asm_label symver_gnu_asm"
1882 atomics_gcc_if="sync_val_compare_and_swap"
1883 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1884 atomics_win32_if="MemoryBarrier"
1885 atomics_native_if_any="$ATOMICS_LIST"
1886 w32threads_deps="atomics_native"
1887 threads_if_any="$THREADS_LIST"
1891 error_resilience_select="dsputil"
1892 frame_thread_encoder_deps="encoders threads"
1893 lpc_select="dsputil"
1896 mpegaudio_select="mpegaudiodsp"
1897 mpegaudiodsp_select="dct"
1898 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1899 mpegvideoenc_select="mpegvideo"
1901 # decoders / encoders
1902 aac_decoder_select="mdct sinewin"
1903 aac_encoder_select="audio_frame_queue mdct sinewin"
1904 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1905 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1906 ac3_encoder_select="mdct ac3dsp dsputil"
1907 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1908 aic_decoder_select="dsputil golomb"
1909 alac_encoder_select="lpc"
1910 als_decoder_select="dsputil"
1911 amrnb_decoder_select="lsp"
1912 amrwb_decoder_select="lsp"
1913 amv_decoder_select="sp5x_decoder exif"
1914 amv_encoder_select="aandcttables"
1915 ape_decoder_select="dsputil"
1916 asv1_decoder_select="dsputil"
1917 asv1_encoder_select="dsputil"
1918 asv2_decoder_select="dsputil"
1919 asv2_encoder_select="dsputil"
1920 atrac1_decoder_select="mdct sinewin"
1921 atrac3_decoder_select="mdct"
1922 atrac3p_decoder_select="mdct sinewin"
1923 avrn_decoder_select="exif"
1924 bink_decoder_select="dsputil hpeldsp"
1925 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1926 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1927 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1928 cllc_decoder_select="dsputil"
1929 comfortnoise_encoder_select="lpc"
1930 cook_decoder_select="dsputil mdct sinewin"
1931 cscd_decoder_select="lzo"
1932 cscd_decoder_suggest="zlib"
1933 dca_decoder_select="mdct"
1934 dirac_decoder_select="dsputil dwt golomb videodsp"
1935 dnxhd_decoder_select="dsputil"
1936 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1937 dvvideo_decoder_select="dsputil"
1938 dvvideo_encoder_select="dsputil"
1939 dxa_decoder_select="zlib"
1940 eac3_decoder_select="ac3_decoder"
1941 eac3_encoder_select="ac3_encoder"
1942 eamad_decoder_select="aandcttables dsputil mpegvideo"
1943 eatgq_decoder_select="aandcttables"
1944 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1945 exr_decoder_select="zlib"
1946 ffv1_decoder_select="dsputil golomb rangecoder"
1947 ffv1_encoder_select="dsputil rangecoder"
1948 ffvhuff_decoder_select="huffyuv_decoder"
1949 ffvhuff_encoder_select="huffyuv_encoder"
1950 fic_decoder_select="dsputil golomb"
1951 flac_decoder_select="golomb"
1952 flac_encoder_select="dsputil golomb lpc"
1953 flashsv_decoder_select="zlib"
1954 flashsv_encoder_select="zlib"
1955 flashsv2_encoder_select="zlib"
1956 flashsv2_decoder_select="zlib"
1957 flv_decoder_select="h263_decoder"
1958 flv_encoder_select="h263_encoder"
1959 fourxm_decoder_select="dsputil"
1960 fraps_decoder_select="dsputil huffman"
1961 g2m_decoder_select="dsputil zlib"
1962 g729_decoder_select="dsputil"
1963 h261_decoder_select="error_resilience mpegvideo"
1964 h261_encoder_select="aandcttables mpegvideoenc"
1965 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
1966 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1967 h263i_decoder_select="h263_decoder"
1968 h263p_encoder_select="h263_encoder"
1969 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1970 h264_decoder_suggest="error_resilience"
1971 hevc_decoder_select="dsputil golomb videodsp"
1972 huffyuv_decoder_select="dsputil llviddsp"
1973 huffyuv_encoder_select="dsputil huffman llviddsp"
1974 iac_decoder_select="imc_decoder"
1975 imc_decoder_select="dsputil fft mdct sinewin"
1976 indeo3_decoder_select="hpeldsp"
1977 interplay_video_decoder_select="hpeldsp"
1978 jpegls_decoder_select="golomb mjpeg_decoder"
1979 jpegls_encoder_select="golomb"
1980 jv_decoder_select="dsputil"
1981 lagarith_decoder_select="dsputil"
1982 ljpeg_encoder_select="aandcttables mpegvideoenc"
1983 loco_decoder_select="golomb"
1984 mdec_decoder_select="dsputil error_resilience mpegvideo"
1985 metasound_decoder_select="lsp mdct sinewin"
1986 mimic_decoder_select="dsputil hpeldsp"
1987 mjpeg_decoder_select="dsputil hpeldsp exif"
1988 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1989 mjpegb_decoder_select="mjpeg_decoder"
1990 mlp_decoder_select="dsputil mlp_parser"
1991 motionpixels_decoder_select="dsputil"
1992 mp1_decoder_select="mpegaudio"
1993 mp1float_decoder_select="mpegaudio"
1994 mp2_decoder_select="mpegaudio"
1995 mp2float_decoder_select="mpegaudio"
1996 mp3_decoder_select="mpegaudio"
1997 mp3adu_decoder_select="mpegaudio"
1998 mp3adufloat_decoder_select="mpegaudio"
1999 mp3float_decoder_select="mpegaudio"
2000 mp3on4_decoder_select="mpegaudio"
2001 mp3on4float_decoder_select="mpegaudio"
2002 mpc7_decoder_select="dsputil mpegaudiodsp"
2003 mpc8_decoder_select="dsputil mpegaudiodsp"
2004 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2005 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2006 mpeg1video_decoder_select="error_resilience mpegvideo"
2007 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2008 mpeg2video_decoder_select="error_resilience mpegvideo"
2009 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2010 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2011 mpeg4_encoder_select="h263_encoder"
2012 msmpeg4v1_decoder_select="h263_decoder"
2013 msmpeg4v2_decoder_select="h263_decoder"
2014 msmpeg4v2_encoder_select="h263_encoder"
2015 msmpeg4v3_decoder_select="h263_decoder"
2016 msmpeg4v3_encoder_select="h263_encoder"
2017 mss2_decoder_select="error_resilience vc1_decoder"
2018 mxpeg_decoder_select="mjpeg_decoder"
2019 nellymoser_decoder_select="mdct sinewin"
2020 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2021 nuv_decoder_select="dsputil lzo"
2022 png_decoder_select="zlib"
2023 png_encoder_select="dsputil zlib"
2024 prores_decoder_select="dsputil"
2025 prores_encoder_select="dsputil"
2026 qcelp_decoder_select="lsp"
2027 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2028 ra_144_encoder_select="audio_frame_queue lpc"
2029 ralf_decoder_select="golomb"
2030 rtjpeg_decoder_select="dsputil"
2031 rv10_decoder_select="error_resilience h263_decoder h263dsp"
2032 rv10_encoder_select="h263_encoder"
2033 rv20_decoder_select="error_resilience h263_decoder h263dsp"
2034 rv20_encoder_select="h263_encoder"
2035 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
2036 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
2037 shorten_decoder_select="golomb"
2038 sipr_decoder_select="lsp"
2039 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
2040 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
2041 sonic_decoder_select="golomb rangecoder"
2042 sonic_encoder_select="golomb rangecoder"
2043 sonic_ls_encoder_select="golomb"
2044 sp5x_decoder_select="mjpeg_decoder"
2045 svq1_decoder_select="hpeldsp"
2046 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
2047 svq3_decoder_select="h264_decoder hpeldsp mpegvideo"
2048 svq3_decoder_suggest="zlib"
2049 tak_decoder_select="dsputil"
2050 theora_decoder_select="vp3_decoder"
2051 thp_decoder_select="mjpeg_decoder"
2052 tiff_decoder_suggest="zlib"
2053 tiff_encoder_suggest="zlib"
2054 truehd_decoder_select="mlp_parser"
2055 truemotion2_decoder_select="dsputil"
2056 truespeech_decoder_select="dsputil"
2057 tscc_decoder_select="zlib"
2058 twinvq_decoder_select="mdct lsp sinewin"
2059 utvideo_decoder_select="dsputil"
2060 utvideo_encoder_select="dsputil huffman"
2061 vble_decoder_select="dsputil"
2062 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel intrax8"
2063 vc1image_decoder_select="vc1_decoder"
2064 vorbis_decoder_select="mdct"
2065 vorbis_encoder_select="mdct"
2066 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2067 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2068 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2069 vp6a_decoder_select="vp6_decoder"
2070 vp6f_decoder_select="vp6_decoder"
2071 vp8_decoder_select="h264pred videodsp"
2072 vp9_decoder_select="videodsp"
2073 webp_decoder_select="vp8_decoder"
2074 wmapro_decoder_select="mdct sinewin"
2075 wmav1_decoder_select="mdct sinewin"
2076 wmav1_encoder_select="mdct sinewin"
2077 wmav2_decoder_select="mdct sinewin"
2078 wmav2_encoder_select="mdct sinewin"
2079 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2080 wmv1_decoder_select="h263_decoder"
2081 wmv1_encoder_select="h263_encoder"
2082 wmv2_decoder_select="h263_decoder intrax8 videodsp"
2083 wmv2_encoder_select="h263_encoder"
2084 wmv3_decoder_select="vc1_decoder"
2085 wmv3image_decoder_select="wmv3_decoder"
2086 zerocodec_decoder_select="zlib"
2087 zlib_decoder_select="zlib"
2088 zlib_encoder_select="zlib"
2089 zmbv_decoder_select="zlib"
2090 zmbv_encoder_select="zlib"
2092 # hardware accelerators
2093 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2094 dxva2_deps="dxva2api_h"
2095 vaapi_deps="va_va_h"
2096 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2097 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2098 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2099 xvmc_deps="X11_extensions_XvMClib_h"
2101 h263_vaapi_hwaccel_deps="vaapi"
2102 h263_vaapi_hwaccel_select="h263_decoder"
2103 h263_vdpau_hwaccel_deps="vdpau"
2104 h263_vdpau_hwaccel_select="h263_decoder"
2105 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2106 h264_dxva2_hwaccel_deps="dxva2"
2107 h264_dxva2_hwaccel_select="h264_decoder"
2108 h264_vaapi_hwaccel_deps="vaapi"
2109 h264_vaapi_hwaccel_select="h264_decoder"
2110 h264_vda_decoder_deps="vda"
2111 h264_vda_decoder_select="h264_decoder"
2112 h264_vda_hwaccel_deps="vda"
2113 h264_vda_hwaccel_select="h264_decoder"
2114 h264_vdpau_decoder_deps="vdpau"
2115 h264_vdpau_decoder_select="h264_decoder"
2116 h264_vdpau_hwaccel_deps="vdpau"
2117 h264_vdpau_hwaccel_select="h264_decoder"
2118 mpeg_vdpau_decoder_deps="vdpau"
2119 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2120 mpeg_xvmc_hwaccel_deps="xvmc"
2121 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2122 mpeg1_vdpau_decoder_deps="vdpau"
2123 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2124 mpeg1_vdpau_hwaccel_deps="vdpau"
2125 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2126 mpeg1_xvmc_hwaccel_deps="xvmc"
2127 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2128 mpeg2_crystalhd_decoder_select="crystalhd"
2129 mpeg2_dxva2_hwaccel_deps="dxva2"
2130 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2131 mpeg2_vaapi_hwaccel_deps="vaapi"
2132 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2133 mpeg2_vdpau_hwaccel_deps="vdpau"
2134 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2135 mpeg2_xvmc_hwaccel_deps="xvmc"
2136 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2137 mpeg4_crystalhd_decoder_select="crystalhd"
2138 mpeg4_vaapi_hwaccel_deps="vaapi"
2139 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2140 mpeg4_vdpau_decoder_deps="vdpau"
2141 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2142 mpeg4_vdpau_hwaccel_deps="vdpau"
2143 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2144 msmpeg4_crystalhd_decoder_select="crystalhd"
2145 vc1_crystalhd_decoder_select="crystalhd"
2146 vc1_dxva2_hwaccel_deps="dxva2"
2147 vc1_dxva2_hwaccel_select="vc1_decoder"
2148 vc1_vaapi_hwaccel_deps="vaapi"
2149 vc1_vaapi_hwaccel_select="vc1_decoder"
2150 vc1_vdpau_decoder_deps="vdpau"
2151 vc1_vdpau_decoder_select="vc1_decoder"
2152 vc1_vdpau_hwaccel_deps="vdpau"
2153 vc1_vdpau_hwaccel_select="vc1_decoder"
2154 wmv3_crystalhd_decoder_select="crystalhd"
2155 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2156 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2157 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2158 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2161 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
2162 hevc_parser_select="hevc_decoder"
2163 mpeg4video_parser_select="error_resilience h263dsp mpegvideo"
2164 mpegvideo_parser_select="error_resilience mpegvideo"
2165 vc1_parser_select="mpegvideo"
2167 # external libraries
2168 libaacplus_encoder_deps="libaacplus"
2169 libcelt_decoder_deps="libcelt"
2170 libfaac_encoder_deps="libfaac"
2171 libfaac_encoder_select="audio_frame_queue"
2172 libfdk_aac_decoder_deps="libfdk_aac"
2173 libfdk_aac_encoder_deps="libfdk_aac"
2174 libfdk_aac_encoder_select="audio_frame_queue"
2175 libgme_demuxer_deps="libgme"
2176 libgsm_decoder_deps="libgsm"
2177 libgsm_encoder_deps="libgsm"
2178 libgsm_ms_decoder_deps="libgsm"
2179 libgsm_ms_encoder_deps="libgsm"
2180 libilbc_decoder_deps="libilbc"
2181 libilbc_encoder_deps="libilbc"
2182 libmodplug_demuxer_deps="libmodplug"
2183 libmp3lame_encoder_deps="libmp3lame"
2184 libmp3lame_encoder_select="audio_frame_queue"
2185 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2186 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2187 libopencore_amrnb_encoder_select="audio_frame_queue"
2188 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2189 libopenjpeg_decoder_deps="libopenjpeg"
2190 libopenjpeg_encoder_deps="libopenjpeg"
2191 libopus_decoder_deps="libopus"
2192 libopus_encoder_deps="libopus"
2193 libopus_encoder_select="audio_frame_queue"
2194 libquvi_demuxer_deps="libquvi"
2195 libschroedinger_decoder_deps="libschroedinger"
2196 libschroedinger_encoder_deps="libschroedinger"
2197 libshine_encoder_deps="libshine"
2198 libshine_encoder_select="audio_frame_queue"
2199 libspeex_decoder_deps="libspeex"
2200 libspeex_encoder_deps="libspeex"
2201 libspeex_encoder_select="audio_frame_queue"
2202 libstagefright_h264_decoder_deps="libstagefright_h264"
2203 libtheora_encoder_deps="libtheora"
2204 libtwolame_encoder_deps="libtwolame"
2205 libvo_aacenc_encoder_deps="libvo_aacenc"
2206 libvo_aacenc_encoder_select="audio_frame_queue"
2207 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2208 libvorbis_decoder_deps="libvorbis"
2209 libvorbis_encoder_deps="libvorbis"
2210 libvorbis_encoder_select="audio_frame_queue"
2211 libvpx_vp8_decoder_deps="libvpx"
2212 libvpx_vp8_encoder_deps="libvpx"
2213 libvpx_vp9_decoder_deps="libvpx"
2214 libvpx_vp9_encoder_deps="libvpx"
2215 libwavpack_encoder_deps="libwavpack"
2216 libwebp_encoder_deps="libwebp"
2217 libx264_encoder_deps="libx264"
2218 libx264rgb_encoder_deps="libx264"
2219 libx265_encoder_deps="libx265"
2220 libxavs_encoder_deps="libxavs"
2221 libxvid_encoder_deps="libxvid"
2222 libutvideo_decoder_deps="libutvideo"
2223 libutvideo_encoder_deps="libutvideo"
2224 libzvbi_teletext_decoder_deps="libzvbi"
2227 ac3_demuxer_select="ac3_parser"
2228 asf_demuxer_select="riffdec"
2229 asf_muxer_select="riffenc"
2230 asf_stream_muxer_select="asf_muxer"
2231 avi_demuxer_select="riffdec"
2232 avi_muxer_select="riffenc"
2233 avisynth_demuxer_deps="avisynth"
2234 avisynth_demuxer_select="riffdec"
2235 caf_demuxer_select="riffdec"
2236 dirac_demuxer_select="dirac_parser"
2237 dts_demuxer_select="dca_parser"
2238 dtshd_demuxer_select="dca_parser"
2239 dxa_demuxer_select="riffdec"
2240 eac3_demuxer_select="ac3_parser"
2241 f4v_muxer_select="mov_muxer"
2242 flac_demuxer_select="flac_parser"
2243 hds_muxer_select="flv_muxer"
2244 hls_muxer_select="mpegts_muxer"
2245 ipod_muxer_select="mov_muxer"
2246 ismv_muxer_select="mov_muxer"
2247 libnut_demuxer_deps="libnut"
2248 libnut_muxer_deps="libnut"
2249 matroska_audio_muxer_select="matroska_muxer"
2250 matroska_demuxer_select="riffdec"
2251 matroska_demuxer_suggest="bzlib lzo zlib"
2252 matroska_muxer_select="riffenc"
2253 mmf_muxer_select="riffenc"
2254 mov_demuxer_select="riffdec"
2255 mov_demuxer_suggest="zlib"
2256 mov_muxer_select="riffenc rtpenc_chain"
2257 mp3_demuxer_select="mpegaudio_parser"
2258 mp4_muxer_select="mov_muxer"
2259 mpegts_muxer_select="adts_muxer latm_muxer"
2260 mpegtsraw_demuxer_select="mpegts_demuxer"
2261 mxf_d10_muxer_select="mxf_muxer"
2262 nut_muxer_select="riffenc"
2263 nuv_demuxer_select="riffdec"
2264 ogg_demuxer_select="golomb"
2265 psp_muxer_select="mov_muxer"
2266 rtp_demuxer_select="sdp_demuxer"
2267 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2268 rtsp_demuxer_select="http_protocol rtpdec"
2269 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2270 sap_demuxer_select="sdp_demuxer"
2271 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2272 sdp_demuxer_select="rtpdec"
2273 smoothstreaming_muxer_select="ismv_muxer"
2274 spdif_muxer_select="aac_parser"
2275 tak_demuxer_select="tak_parser"
2276 tg2_muxer_select="mov_muxer"
2277 tgp_muxer_select="mov_muxer"
2278 vobsub_demuxer_select="mpegps_demuxer"
2279 w64_demuxer_select="wav_demuxer"
2280 w64_muxer_select="wav_muxer"
2281 wav_demuxer_select="riffdec"
2282 wav_muxer_select="riffenc"
2283 webm_muxer_select="riffenc"
2284 wtv_demuxer_select="riffdec"
2285 wtv_muxer_select="riffenc"
2286 xmv_demuxer_select="riffdec"
2287 xwma_demuxer_select="riffdec"
2290 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2291 alsa_outdev_deps="alsa_asoundlib_h"
2292 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2293 caca_outdev_deps="libcaca"
2294 decklink_outdev_deps="decklink pthreads"
2295 decklink_outdev_extralibs="-lstdc++"
2296 dshow_indev_deps="IBaseFilter"
2297 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2298 dv1394_indev_deps="dv1394"
2299 dv1394_indev_select="dv_demuxer"
2300 fbdev_indev_deps="linux_fb_h"
2301 fbdev_outdev_deps="linux_fb_h"
2302 iec61883_indev_deps="libiec61883"
2303 jack_indev_deps="jack_jack_h sem_timedwait"
2304 lavfi_indev_deps="avfilter"
2305 libcdio_indev_deps="libcdio"
2306 libdc1394_indev_deps="libdc1394"
2307 libv4l2_indev_deps="libv4l2"
2308 openal_indev_deps="openal"
2309 opengl_outdev_deps="opengl"
2310 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2311 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2312 pulse_indev_deps="libpulse"
2313 pulse_outdev_deps="libpulse"
2314 sdl_outdev_deps="sdl"
2315 sndio_indev_deps="sndio_h"
2316 sndio_outdev_deps="sndio_h"
2317 v4l_indev_deps="linux_videodev_h"
2318 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2319 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2320 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2321 vfwcap_indev_extralibs="-lavicap32"
2322 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2323 xv_outdev_extralibs="-lXv -lX11 -lXext"
2324 x11grab_indev_deps="x11grab"
2327 bluray_protocol_deps="libbluray"
2328 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2329 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2330 ffrtmpcrypt_protocol_select="tcp_protocol"
2331 ffrtmphttp_protocol_deps="!librtmp_protocol"
2332 ffrtmphttp_protocol_select="http_protocol"
2333 ftp_protocol_select="tcp_protocol"
2334 gopher_protocol_select="network"
2335 http_protocol_select="tcp_protocol"
2336 httpproxy_protocol_select="tcp_protocol"
2337 https_protocol_select="tls_protocol"
2338 librtmp_protocol_deps="librtmp"
2339 librtmpe_protocol_deps="librtmp"
2340 librtmps_protocol_deps="librtmp"
2341 librtmpt_protocol_deps="librtmp"
2342 librtmpte_protocol_deps="librtmp"
2343 libssh_protocol_deps="libssh"
2344 mmsh_protocol_select="http_protocol"
2345 mmst_protocol_select="network"
2346 rtmp_protocol_deps="!librtmp_protocol"
2347 rtmp_protocol_select="tcp_protocol"
2348 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2349 rtmps_protocol_deps="!librtmp_protocol"
2350 rtmps_protocol_select="tls_protocol"
2351 rtmpt_protocol_select="ffrtmphttp_protocol"
2352 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2353 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2354 rtp_protocol_select="udp_protocol"
2355 sctp_protocol_deps="struct_sctp_event_subscribe"
2356 sctp_protocol_select="network"
2357 srtp_protocol_select="rtp_protocol"
2358 tcp_protocol_select="network"
2359 tls_protocol_deps_any="openssl gnutls"
2360 tls_protocol_select="tcp_protocol"
2361 udp_protocol_select="network"
2362 unix_protocol_deps="sys_un_h"
2363 unix_protocol_select="network"
2366 aconvert_filter_deps="swresample"
2367 amovie_filter_deps="avcodec avformat"
2368 aresample_filter_deps="swresample"
2369 ass_filter_deps="libass"
2370 asyncts_filter_deps="avresample"
2371 atempo_filter_deps="avcodec"
2372 atempo_filter_select="rdft"
2373 azmq_filter_deps="libzmq"
2374 blackframe_filter_deps="gpl"
2375 boxblur_filter_deps="gpl"
2376 colormatrix_filter_deps="gpl"
2377 cropdetect_filter_deps="gpl"
2378 dctdnoiz_filter_deps="avcodec"
2379 dctdnoiz_filter_select="dct"
2380 delogo_filter_deps="gpl"
2381 deshake_filter_deps="avcodec"
2382 deshake_filter_select="dsputil"
2383 drawtext_filter_deps="libfreetype"
2384 ebur128_filter_deps="gpl"
2385 flite_filter_deps="libflite"
2386 frei0r_filter_deps="frei0r dlopen"
2387 frei0r_filter_extralibs='$ldl'
2388 frei0r_src_filter_deps="frei0r dlopen"
2389 frei0r_src_filter_extralibs='$ldl'
2390 geq_filter_deps="gpl"
2391 histeq_filter_deps="gpl"
2392 hqdn3d_filter_deps="gpl"
2393 interlace_filter_deps="gpl"
2394 kerndeint_filter_deps="gpl"
2395 ladspa_filter_deps="ladspa dlopen"
2396 mcdeint_filter_deps="avcodec gpl"
2397 movie_filter_deps="avcodec avformat"
2398 mp_filter_deps="gpl avcodec swscale inline_asm"
2399 mpdecimate_filter_deps="gpl avcodec"
2400 mptestsrc_filter_deps="gpl"
2401 negate_filter_deps="lut_filter"
2402 perspective_filter_deps="gpl"
2403 ocv_filter_deps="libopencv"
2404 owdenoise_filter_deps="gpl"
2405 pan_filter_deps="swresample"
2406 phase_filter_deps="gpl"
2407 pp_filter_deps="gpl postproc"
2408 pullup_filter_deps="gpl"
2409 removelogo_filter_deps="avcodec avformat swscale"
2410 resample_filter_deps="avresample"
2411 sab_filter_deps="gpl swscale"
2412 scale_filter_deps="swscale"
2413 smartblur_filter_deps="gpl swscale"
2414 showspectrum_filter_deps="avcodec"
2415 showspectrum_filter_select="rdft"
2416 spp_filter_deps="gpl avcodec"
2417 spp_filter_select="fft"
2418 stereo3d_filter_deps="gpl"
2419 subtitles_filter_deps="avformat avcodec libass"
2420 super2xsai_filter_deps="gpl"
2421 tinterlace_filter_deps="gpl"
2422 vidstabdetect_filter_deps="libvidstab"
2423 vidstabtransform_filter_deps="libvidstab"
2424 pixfmts_super2xsai_test_deps="super2xsai_filter"
2425 tinterlace_merge_test_deps="tinterlace_filter"
2426 tinterlace_pad_test_deps="tinterlace_filter"
2427 zmq_filter_deps="libzmq"
2430 avio_reading="avformat avcodec avutil"
2431 avcodec_example_deps="avcodec avutil"
2432 demuxing_decoding_example_deps="avcodec avformat avutil"
2433 filter_audio_example_deps="avfilter avutil"
2434 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2435 filtering_video_example_deps="avfilter avcodec avformat avutil"
2436 metadata_example_deps="avformat avutil"
2437 muxing_example_deps="avcodec avformat avutil swscale"
2438 remuxing_example_deps="avcodec avformat avutil"
2439 resampling_audio_example_deps="avutil swresample"
2440 scaling_video_example_deps="avutil swscale"
2441 transcode_aac_example_deps="avcodec avformat swresample"
2444 avcodec_deps="avutil"
2445 avdevice_deps="avutil avcodec avformat"
2446 avfilter_deps="avutil"
2447 avformat_deps="avutil avcodec"
2448 avresample_deps="avutil"
2449 postproc_deps="avutil gpl"
2450 swscale_deps="avutil"
2453 ffmpeg_deps="avcodec avfilter avformat swresample"
2454 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2456 setpts_filter trim_filter"
2457 ffplay_deps="avcodec avformat swscale swresample sdl"
2458 ffplay_libs='$sdl_libs'
2459 ffplay_select="rdft crop_filter"
2460 ffprobe_deps="avcodec avformat"
2461 ffserver_deps="avformat fork sarestart"
2462 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2465 podpages_deps="perl"
2466 manpages_deps="perl pod2man"
2467 htmlpages_deps="perl texi2html"
2468 txtpages_deps="perl makeinfo"
2469 doc_deps_any="manpages htmlpages podpages txtpages"
2471 # default parameters
2473 logfile="config.log"
2475 # installation paths
2476 prefix_default="/usr/local"
2477 bindir_default='${prefix}/bin'
2478 datadir_default='${prefix}/share/ffmpeg'
2479 docdir_default='${prefix}/share/doc/ffmpeg'
2480 incdir_default='${prefix}/include'
2481 libdir_default='${prefix}/lib'
2482 mandir_default='${prefix}/share/man'
2483 shlibdir_default="$libdir_default"
2489 host_cc_default="gcc"
2495 pkg_config_default=pkg-config
2497 strip_default="strip"
2498 yasmexe_default="yasm"
2499 windres_default="windres"
2504 arch_default=$(uname -m)
2508 target_os_default=$(tolower $(uname -s))
2509 host_os=$target_os_default
2511 # configurable options
2512 enable $PROGRAM_LIST
2513 enable $DOCUMENT_LIST
2514 enable $EXAMPLE_LIST
2515 enable $(filter_out avresample $LIBRARY_LIST)
2521 enable optimizations
2522 enable runtime_cpudetect
2523 enable safe_bitstream_reader
2525 enable swscale_alpha
2527 # Enable hwaccels by default.
2528 enable dxva2 vaapi vdpau xvmc
2532 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2535 FULLNAME='$(NAME)$(BUILDSUF)'
2536 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2539 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2540 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2541 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2542 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2543 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2544 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2566 host_cflags_filter=echo
2567 host_ldflags_filter=echo
2569 target_path='$(CURDIR)'
2571 # since the object filename is not given with the -MM flag, the compiler
2572 # is only able to print the basename, and we must add the path ourselves
2573 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2577 if test -f configure; then
2580 source_path=$(cd $(dirname "$0"); pwd)
2581 echo "$source_path" | grep -q '[[:blank:]]' &&
2582 die "Out of tree builds are impossible with whitespace in source path."
2583 test -e "$source_path/config.h" &&
2584 die "Out of tree builds are impossible with config.h in source dir."
2591 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2597 file=$source_path/$3
2598 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2601 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2602 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2603 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2604 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2605 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2606 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2607 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2608 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2609 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2610 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2611 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2627 for n in $COMPONENT_LIST; do
2628 v=$(toupper ${n%s})_LIST
2630 eval ${n}_if_any="\$$v"
2633 enable $ARCH_EXT_LIST
2636 echo "Unknown option \"$1\"."
2637 echo "See $0 --help for available options."
2642 cat | tr ' ' '\n' | sort | pr -r -3 -t
2648 echo $* | sed s/$suffix//g | print_3_columns
2660 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2661 echo "prob ${prob:-0.5}"
2669 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2670 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2680 add_extralibs $optval
2683 disable $INDEV_LIST $OUTDEV_LIST
2686 debuglevel="$optval"
2689 disable $PROGRAM_LIST
2691 --disable-everything)
2692 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2695 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2696 disable $LIBRARY_LIST $PROGRAM_LIST doc
2698 --enable-random|--disable-random)
2699 action=${opt%%-random}
2700 do_random ${action#--} $COMPONENT_LIST
2702 --enable-random=*|--disable-random=*)
2703 action=${opt%%-random=*}
2704 do_random ${action#--} $optval
2706 --enable-*=*|--disable-*=*)
2707 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2708 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2709 eval list=\$$(toupper $thing)_LIST
2710 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2711 list=$(filter "$name" $list)
2712 [ "$list" = "" ] && warn "Option $opt did not match anything"
2715 --enable-?*|--disable-?*)
2716 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2717 if is_in $option $COMPONENT_LIST; then
2718 test $action = disable && action=unset
2719 eval $action \$$(toupper ${option%s})_LIST
2720 elif is_in $option $CMDLINE_SELECT; then
2727 NAME="${opt#--list-}"
2728 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2730 eval show_list $NAME \$$(toupper $NAME)_LIST
2732 --help|-h) show_help
2734 --fatal-warnings) enable fatal_warnings
2737 optname="${opt%%=*}"
2738 optname="${optname#--}"
2739 optname=$(echo "$optname" | sed 's/-/_/g')
2740 if is_in $optname $CMDLINE_SET; then
2741 eval $optname='$optval'
2742 elif is_in $optname $CMDLINE_APPEND; then
2743 append $optname "$optval"
2751 disabled logging && logfile=/dev/null
2753 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2756 test -n "$cross_prefix" && enable cross_compile
2758 if enabled cross_compile; then
2759 test -n "$arch" && test -n "$target_os" ||
2760 die "Must specify target arch and OS when cross-compiling"
2763 ar_default="${cross_prefix}${ar_default}"
2764 cc_default="${cross_prefix}${cc_default}"
2765 cxx_default="${cross_prefix}${cxx_default}"
2766 nm_default="${cross_prefix}${nm_default}"
2767 pkg_config_default="${cross_prefix}${pkg_config_default}"
2768 ranlib="${cross_prefix}${ranlib}"
2769 strip_default="${cross_prefix}${strip_default}"
2770 windres_default="${cross_prefix}${windres_default}"
2772 sysinclude_default="${sysroot}/usr/include"
2774 test -n "$valgrind" && toolchain="valgrind-memcheck"
2776 case "$toolchain" in
2779 add_cflags -fsanitize=address
2780 add_ldflags -fsanitize=address
2784 add_cflags -fsanitize=thread -pie
2785 add_ldflags -fsanitize=thread -pie
2789 add_cflags -fsanitize=undefined
2790 add_ldflags -fsanitize=undefined
2794 add_cflags -fsanitize=address
2795 add_ldflags -fsanitize=address
2799 add_cflags -fsanitize=thread -pie -fPIC
2800 add_ldflags -fsanitize=thread -pie -fPIC
2804 add_cflags -fsanitize=undefined
2805 add_ldflags -fsanitize=undefined
2808 target_exec_default=${valgrind:-"valgrind"}
2809 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"
2812 target_exec_default=${valgrind:-"valgrind"}
2813 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2816 # Check whether the current MSVC version needs the C99 converter.
2817 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2818 # support enough of C99 to build ffmpeg. Default to the new
2819 # behaviour if the regexp was unable to match anything, since this
2820 # successfully parses the version number of existing supported
2821 # versions that require the converter (MSVC 2010 and 2012).
2822 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2823 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2826 cc_default="c99wrap cl"
2829 nm_default="dumpbin -symbols"
2831 target_os_default="win32"
2832 # Use a relative path for TMPDIR. This makes sure all the
2833 # ffconf temp files are written with a relative path, avoiding
2834 # issues with msys/win32 path conversion for MSVC parameters
2835 # such as -Fo<file> or -out:<file>.
2841 nm_default="dumpbin -symbols"
2843 target_os_default="win32"
2847 add_cflags -fprofile-arcs -ftest-coverage
2848 add_ldflags -fprofile-arcs -ftest-coverage
2851 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2852 add_ldflags -Wl,-z,relro -Wl,-z,now
2855 die "Unknown toolchain $toolchain"
2859 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2860 enabled cross_compile || host_cc_default=$cc
2863 if ! $pkg_config --version >/dev/null 2>&1; then
2864 warn "$pkg_config not found, library detection may fail."
2870 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2874 EXESUF=$(exesuf $target_os)
2875 HOSTEXESUF=$(exesuf $host_os)
2877 # set temporary file name
2878 : ${TMPDIR:=$TEMPDIR}
2882 if [ -n "$tempprefix" ] ; then
2884 echo $tempprefix.${HOSTNAME}.${UID}
2886 elif ! check_cmd mktemp -u XXXXXX; then
2887 # simple replacement for missing mktemp
2888 # NOT SAFE FOR GENERAL USE
2890 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2895 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2896 (set -C; exec > $tmp) 2>/dev/null ||
2897 die "Unable to create temporary file in $TMPDIR."
2898 append TMPFILES $tmp
2902 trap 'rm -f -- $TMPFILES' EXIT
2907 tmpfile TMPE $EXESUF
2918 # make sure we can execute files in $TMPDIR
2919 cat > $TMPSH 2>> $logfile <<EOF
2922 chmod +x $TMPSH >> $logfile 2>&1
2923 if ! $TMPSH >> $logfile 2>&1; then
2925 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2926 variable to another directory and make sure that it is not mounted noexec.
2928 die "Sanity test failed."
2934 -std=c99) echo -c99 ;;
2935 -mcpu=*) echo -arch ${flag#*=} ;;
2936 -mieee) echo -ieee ;;
2937 -O*|-fast) echo $flag ;;
2938 -fno-math-errno) echo -assume nomath_errno ;;
2940 -Wall) echo -msg_enable level2 ;;
2941 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2942 -Wl,*) echo $flag ;;
2952 -Wno-switch) echo -Wno-switch-enum ;;
2953 -Wno-format-zero-length) ;;
2954 -Wdisabled-optimization) ;;
2955 -Wno-pointer-sign) echo -Wno-other ;;
2961 msvc_common_flags(){
2964 # In addition to specifying certain flags under the compiler
2965 # specific filters, they must be specified here as well or else the
2966 # generic catch all at the bottom will print the original flag.
2970 -fomit-frame-pointer) ;;
2974 -fno-signed-zeros) ;;
2978 -lz) echo zlib.lib ;;
2979 -lavifil32) echo vfw32.lib ;;
2980 -lavicap32) echo vfw32.lib user32.lib ;;
2981 -l*) echo ${flag#-l}.lib ;;
2988 msvc_common_flags "$@"
2991 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2992 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2993 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3001 msvc_common_flags "$@"
3004 # Despite what Intel's documentation says -Wall, which is supported
3005 # on Windows, does enable remarks so disable them here.
3006 -Wall) echo $flag -Qdiag-disable:remark ;;
3007 -std=c99) echo -Qstd=c99 ;;
3015 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3016 -fomit-frame-pointer) echo -Mnoframe ;;
3027 case "${flag#*=}" in
3028 native) echo -xtarget=native ;;
3029 v9|niagara) echo -xarch=sparc ;;
3030 ultrasparc) echo -xarch=sparcvis ;;
3031 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3032 i586|pentium) echo -xchip=pentium ;;
3033 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3034 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3035 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3036 pentium4*) echo -xtarget=pentium4 ;;
3037 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3038 *-sse3) echo -xarch=sse3 ;;
3039 core2) echo -xarch=ssse3 -xchip=core2 ;;
3040 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3041 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3042 amdfam10|barcelona) echo -xtarget=barcelona ;;
3043 bdver*) echo -xarch=avx ;;
3044 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3045 k8|opteron|athlon64|athlon-fx)
3046 echo -xarch=sse2a ;;
3047 athlon*) echo -xarch=pentium_proa ;;
3050 -std=c99) echo -xc99 ;;
3051 -fomit-frame-pointer) echo -xregs=frameptr ;;
3052 -fPIC) echo -KPIC -xcode=pic32 ;;
3053 -W*,*) echo $flag ;;
3054 -f*-*|-W*|-mimpure-text) ;;
3065 case "${flag#*=}" in
3066 armv7-a|cortex-a*) echo -mv=7a8 ;;
3067 armv7-r|cortex-r*) echo -mv=7r4 ;;
3068 armv7-m|cortex-m*) echo -mv=7m3 ;;
3069 armv6*|arm11*) echo -mv=6 ;;
3070 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3072 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3075 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3076 -mfpu=vfp) echo --float_support=vfpv2 ;;
3077 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3078 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3079 -msoft-float) echo --float_support=vfplib ;;
3080 -O[0-3]|-mf=*) echo $flag ;;
3082 -pds=*) echo $flag ;;
3083 -D*|-I*) echo $flag ;;
3084 --gcc|--abi=*) echo $flag ;;
3094 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3095 unset _ld_o _ldflags _ld_lib _ld_path
3096 unset _depflags _DEPCMD _DEPFLAGS
3099 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3100 true # no-op to avoid reading stdin in following checks
3101 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3103 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3104 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3105 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3108 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3110 gcc_version=$($_cc --version | head -n1)
3111 gcc_basever=$($_cc -dumpversion)
3112 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3113 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3114 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3115 if ! $_cc -dumpversion | grep -q '^2\.'; then
3116 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3120 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3122 _ident=$($_cc --version | head -n1)
3127 elif $_cc -v 2>&1 | grep -q xlc; then
3129 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3131 _cflags_size='-O5 -qcompact'
3132 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3134 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3136 _cflags_speed='-fast'
3138 _flags_filter=ccc_flags
3139 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
3140 test -d "$sysroot" || die "No valid sysroot specified."
3142 _ident=$($_cc --vsn | head -n1)
3143 armcc_conf="$PWD/armcc.conf"
3144 $_cc --arm_linux_configure \
3145 --arm_linux_config_file="$armcc_conf" \
3146 --configure_sysroot="$sysroot" \
3147 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3148 die "Error creating armcc configuration file."
3149 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3150 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3151 as_default="${cross_prefix}gcc"
3155 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3157 _ident=$($_cc -version | head -n1 | tr -s ' ')
3158 _flags='--gcc --abi=eabi -me'
3161 _depflags='-ppa -ppd=$(@:.o=.d)'
3162 _cflags_speed='-O3 -mf=5'
3163 _cflags_size='-O3 -mf=2'
3164 _flags_filter=tms470_flags
3165 elif $_cc -v 2>&1 | grep -q clang; then
3167 _ident=$($_cc --version | head -n1)
3168 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3171 elif $_cc -V 2>&1 | grep -q Sun; then
3173 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3174 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3175 _DEPFLAGS='-xM1 -xc99'
3178 _cflags_size='-O5 -xspace'
3179 _flags_filter=suncc_flags
3180 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3182 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3183 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3186 _flags_filter='filter_out -Wdisabled-optimization'
3187 elif $_cc -v 2>&1 | grep -q Open64; then
3189 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3190 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3193 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3194 elif $_cc -V 2>&1 | grep -q Portland; then
3196 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3197 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3198 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3199 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3201 _flags_filter=pgi_flags
3202 elif $_cc 2>&1 | grep -q Microsoft; then
3204 _ident=$($cc 2>&1 | head -n1)
3205 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3206 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3209 if $_cc 2>&1 | grep -q Linker; then
3216 _flags_filter=msvc_flags
3218 _ld_path='-libpath:'
3220 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3221 if [ $pfx = hostcc ]; then
3222 append _cflags -Dsnprintf=_snprintf
3225 elif $_cc 2>&1 | grep -q Intel; then
3227 _ident=$($cc 2>&1 | head -n1)
3228 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3229 # Not only is O3 broken on 13.x+ but it is slower on all previous
3230 # versions (tested) as well.
3232 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3233 if $_cc 2>&1 | grep -q Linker; then
3240 _flags_filter=icl_flags
3242 _ld_path='-libpath:'
3243 # -Qdiag-error to make icl error when seeing certain unknown arguments
3244 _flags='-nologo -Qdiag-error:4044,10157'
3245 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3246 # with MSVC which enables it by default.
3247 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3248 if [ $pfx = hostcc ]; then
3249 append _cflags -Dsnprintf=_snprintf
3251 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3253 _ident=$($_cc --version | head -n1)
3257 _flags_filter=cparser_flags
3260 eval ${pfx}_type=\$_type
3261 eval ${pfx}_ident=\$_ident
3265 eval ${1}_C=\${_cc_c-\${${1}_C}}
3266 eval ${1}_E=\${_cc_e-\${${1}_E}}
3267 eval ${1}_O=\${_cc_o-\${${1}_O}}
3269 if [ -n "$_depflags" ]; then
3270 eval ${1}_DEPFLAGS=\$_depflags
3272 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3273 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3274 eval DEP${1}FLAGS=\$_flags
3279 cflags_filter=$_flags_filter
3280 cflags_speed=$_cflags_speed
3281 cflags_size=$_cflags_size
3282 cflags_noopt=$_cflags_noopt
3283 add_cflags $_flags $_cflags
3284 cc_ldflags=$_ldflags
3287 probe_cc hostcc "$host_cc"
3288 host_cflags_filter=$_flags_filter
3289 add_host_cflags $_flags $_cflags
3292 test -n "$cc_type" && enable $cc_type ||
3293 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3295 : ${as_default:=$cc}
3296 : ${dep_cc_default:=$cc}
3297 : ${ld_default:=$cc}
3298 : ${host_ld_default:=$host_cc}
3299 set_default ar as dep_cc ld host_ld windres
3302 asflags_filter=$_flags_filter
3303 add_asflags $_flags $_cflags
3307 ldflags_filter=$_flags_filter
3308 add_ldflags $_flags $_ldflags
3309 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3311 LD_LIB=${_ld_lib-$LD_LIB}
3312 LD_PATH=${_ld_path-$LD_PATH}
3314 probe_cc hostld "$host_ld"
3315 host_ldflags_filter=$_flags_filter
3316 add_host_ldflags $_flags $_ldflags
3317 HOSTLD_O=${_ld_o-$HOSTLD_O}
3319 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3320 probe_cc depcc "$dep_cc"
3321 CCDEP=${_DEPCMD:-$DEPCMD}
3322 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3326 if $ar 2>&1 | grep -q Microsoft; then
3329 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3332 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3333 arflags='-Xany -r -c'
3340 add_cflags $extra_cflags
3341 add_cxxflags $extra_cxxflags
3342 add_asflags $extra_cflags
3344 if test -n "$sysroot"; then
3347 add_cppflags --sysroot="$sysroot"
3348 add_ldflags --sysroot="$sysroot"
3351 add_cppflags -I"$sysinclude"
3352 add_ldflags --sysroot="$sysroot"
3357 if test "$cpu" = host; then
3358 enabled cross_compile &&
3359 die "--cpu=host makes no sense when cross-compiling."
3364 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3366 s/.*$1=\\([^ ]*\\).*/\\1/
3371 cpu=$(check_native -march || check_native -mcpu)
3375 test "${cpu:-host}" = host &&
3376 die "--cpu=host not supported with compiler $cc"
3379 # Deal with common $arch aliases
3393 "Power Macintosh"|ppc*|powerpc*)
3408 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3413 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3416 # Add processor-specific flags
3417 if enabled aarch64; then
3421 cpuflags="-march=$cpu"
3424 cpuflags="-mcpu=$cpu"
3428 elif enabled alpha; then
3430 cpuflags="-mcpu=$cpu"
3432 elif enabled arm; then
3435 check_cpp_condition stddef.h \
3436 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3441 if check_arm_arch 4; then echo armv4;
3442 elif check_arm_arch 4T; then echo armv4t;
3443 elif check_arm_arch 5; then echo armv5;
3444 elif check_arm_arch 5E; then echo armv5e;
3445 elif check_arm_arch 5T; then echo armv5t;
3446 elif check_arm_arch 5TE; then echo armv5te;
3447 elif check_arm_arch 5TEJ; then echo armv5te;
3448 elif check_arm_arch 6; then echo armv6;
3449 elif check_arm_arch 6J; then echo armv6j;
3450 elif check_arm_arch 6K; then echo armv6k;
3451 elif check_arm_arch 6Z; then echo armv6z;
3452 elif check_arm_arch 6ZK; then echo armv6zk;
3453 elif check_arm_arch 6T2; then echo armv6t2;
3454 elif check_arm_arch 7; then echo armv7;
3455 elif check_arm_arch 7A 7_A; then echo armv7-a;
3456 elif check_arm_arch 7R 7_R; then echo armv7-r;
3457 elif check_arm_arch 7M 7_M; then echo armv7-m;
3458 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3459 elif check_arm_arch 8A 8_A; then echo armv8-a;
3463 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3467 cpuflags="-march=$cpu"
3468 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3471 cpuflags="-mcpu=$cpu"
3473 cortex-a*) subarch=armv7a ;;
3474 cortex-r*) subarch=armv7r ;;
3475 cortex-m*) enable thumb; subarch=armv7m ;;
3476 arm11*) subarch=armv6 ;;
3477 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3478 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3479 *) subarch=$(probe_arm_arch) ;;
3485 armv5t*) enable fast_clz ;;
3486 armv[6-8]*) enable fast_clz fast_unaligned ;;
3489 elif enabled avr32; then
3494 cpuflags="-mpart=$cpu"
3498 cpuflags="-march=$cpu"
3502 cpuflags="-mcpu=$cpu"
3506 cpuflags="-march=$cpu"
3510 elif enabled bfin; then
3512 cpuflags="-mcpu=$cpu"
3514 elif enabled mips; then
3516 cpuflags="-march=$cpu"
3532 24kef*|34kf*|1004kf*)
3540 elif enabled ppc; then
3542 case $(tolower $cpu) in
3543 601|ppc601|powerpc601)
3544 cpuflags="-mcpu=601"
3547 603*|ppc603*|powerpc603*)
3548 cpuflags="-mcpu=603"
3551 604*|ppc604*|powerpc604*)
3552 cpuflags="-mcpu=604"
3555 g3|75*|ppc75*|powerpc75*)
3556 cpuflags="-mcpu=750"
3559 g4|745*|ppc745*|powerpc745*)
3560 cpuflags="-mcpu=7450"
3562 74*|ppc74*|powerpc74*)
3563 cpuflags="-mcpu=7400"
3565 g5|970|ppc970|powerpc970)
3566 cpuflags="-mcpu=970"
3569 cpuflags="-mcpu=$cpu"
3572 cpuflags="-mcpu=cell"
3576 cpuflags="-mcpu=e500mc"
3580 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3584 cpuflags="-mcpu=8540 -mhard-float"
3589 elif enabled sparc; then
3592 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3593 cpuflags="-mcpu=$cpu"
3596 ultrasparc*|niagara[234])
3597 cpuflags="-mcpu=$cpu"
3601 elif enabled x86; then
3605 cpuflags="-march=$cpu"
3608 # targets that do NOT support nopl and conditional mov (cmov)
3609 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3610 cpuflags="-march=$cpu"
3613 # targets that do support nopl and conditional mov (cmov)
3614 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3615 cpuflags="-march=$cpu"
3619 # targets that do support conditional mov but on which it's slow
3620 pentium4|pentium4m|prescott|nocona)
3621 cpuflags="-march=$cpu"
3629 if [ "$cpu" != generic ]; then
3630 add_cflags $cpuflags
3631 add_asflags $cpuflags
3634 # compiler sanity check
3636 int main(void){ return 0; }
3638 if test "$?" != 0; then
3639 echo "$cc is unable to create an executable file."
3640 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3641 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3642 echo "Only do this if you know what cross compiling means."
3644 die "C compiler test failed."
3647 add_cppflags -D_ISOC99_SOURCE
3648 add_cxxflags -D__STDC_CONSTANT_MACROS
3649 check_cflags -std=c99
3650 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3653 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3657 add_host_cppflags -D_ISOC99_SOURCE
3658 check_host_cflags -std=c99
3659 check_host_cflags -Wall
3660 check_host_cflags -O3
3666 check_code cc "" "int test[2*($expr) - 1]" &&
3667 subarch=$arch64 || subarch=$arch32
3675 check_64bit mips mips64 '_MIPS_SIM > 1'
3679 check_64bit parisc parisc64 'sizeof(void *) > 4'
3683 check_64bit ppc ppc64 'sizeof(void *) > 4'
3687 check_64bit s390 s390x 'sizeof(void *) > 4'
3691 check_64bit sparc sparc64 'sizeof(void *) > 4'
3695 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3696 if test "$subarch" = "x86_64"; then
3701 check_cc <<EOF && subarch="ppc64"
3702 int test[(int)sizeof(char*) - 7];
3708 enabled spic && enable_weak pic
3714 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3715 enabled shared && add_ldflags -Wl,-brtl
3718 prefix_default="/boot/common"
3719 network_extralibs="-lnetwork"
3723 SHFLAGS='-shared -Wl,-h,$$(@F)'
3724 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3725 network_extralibs="-lsocket -lnsl"
3726 # When using suncc to build, the Solaris linker will mark
3727 # an executable with each instruction set encountered by
3728 # the Solaris assembler. As our libraries contain their own
3729 # guards for processor-specific code, instead suppress
3730 # generation of the HWCAPS ELF section on Solaris x86 only.
3731 enabled_all suncc x86 &&
3732 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3733 add_ldflags -Wl,-M,mapfile
3734 nm_default='nm -P -g'
3738 oss_indev_extralibs="-lossaudio"
3739 oss_outdev_extralibs="-lossaudio"
3740 enabled gcc || check_ldflags -Wl,-zmuldefs
3745 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3747 oss_indev_extralibs="-lossaudio"
3748 oss_outdev_extralibs="-lossaudio"
3756 add_extralibs -lpoll -lgnugetopt
3760 gas="gas-preprocessor.pl $cc"
3761 enabled ppc && add_asflags -force_cpusubtype_ALL
3762 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3763 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3765 add_ldflags -Wl,-dynamic,-search_paths_first
3767 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3768 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3770 enabled x86_64 && objformat="macho64"
3771 enabled_any pic shared ||
3772 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3775 if test $target_os = "mingw32ce"; then
3781 if enabled x86_64; then
3782 LIBTARGET="i386:x86-64"
3783 elif enabled arm; then
3786 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3787 check_ldflags -Wl,--nxcompat
3788 check_ldflags -Wl,--dynamicbase
3789 shlibdir_default="$bindir_default"
3792 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3793 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3794 dlltool="${cross_prefix}dlltool"
3795 if check_cmd lib.exe -list; then
3796 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3797 if enabled x86_64; then
3800 elif check_cmd $dlltool --version; then
3801 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3803 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3805 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3806 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3807 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3814 if enabled shared; then
3815 # Link to the import library instead of the normal static library
3818 # Cannot build both shared and static libs with MSVC or icl.
3821 shlibdir_default="$bindir_default"
3824 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3825 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3826 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3827 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3829 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3830 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3831 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3838 shlibdir_default="$bindir_default"
3841 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3842 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3843 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3845 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3846 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3849 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3851 *-dos|freedos|opendos)
3852 network_extralibs="-lsocket"
3855 add_cppflags -U__STRICT_ANSI__
3862 ranlib="echo ignoring ranlib"
3868 add_cppflags -D_GNU_SOURCE
3869 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3870 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3874 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3875 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3876 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3877 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3878 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3879 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3880 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3881 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3882 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3883 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3884 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3886 enable_weak os2threads
3889 add_cppflags -D_BSD_SOURCE
3894 add_cppflags -D_QNX_SOURCE
3895 network_extralibs="-lsocket"
3900 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3901 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3902 add_ldflags -Wl,--target1-abs,--no-undefined \
3903 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3904 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3905 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3906 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3907 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3910 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3915 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3916 -D_REENTRANT_SOURCE \
3917 -D_RESEARCH_SOURCE \
3920 add_compat strtod.o strtod=avpriv_strtod
3921 network_extralibs='-lbsd'
3922 exeobjs=compat/plan9/main.o
3929 die "Unknown OS '$target_os'."
3933 # determine libc flavour
3938 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3939 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3940 eval ${pfx}libc_type=uclibc
3941 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3942 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3943 eval ${pfx}libc_type=glibc
3944 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3945 # MinGW headers can be installed on Cygwin, so check for newlib first.
3946 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3947 eval ${pfx}libc_type=newlib
3948 add_${pfx}cppflags -U__STRICT_ANSI__
3949 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3950 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3951 eval ${pfx}libc_type=mingw64
3952 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
3953 add_compat msvcrt/snprintf.o
3954 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3956 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3957 eval test \$${pfx_no_}cc_type = "gcc" &&
3958 add_${pfx}cppflags -D__printf__=__gnu_printf__
3959 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3960 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3961 eval ${pfx}libc_type=mingw32
3962 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3963 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3964 die "ERROR: MinGW32 runtime version must be >= 3.15."
3965 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3966 eval test \$${pfx_no_}cc_type = "gcc" &&
3967 add_${pfx}cppflags -D__printf__=__gnu_printf__
3968 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3969 eval ${pfx}libc_type=msvcrt
3970 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3971 # 0x601 by default unless something else is set by the user.
3972 # This can easily lead to us detecting functions only present
3973 # in such new versions and producing binaries requiring windows 7.0.
3974 # Therefore explicitly set the default to XP unless the user has
3975 # set something else on the command line.
3976 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3977 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
3978 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3979 eval ${pfx}libc_type=klibc
3980 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3981 eval ${pfx}libc_type=bionic
3982 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3983 eval ${pfx}libc_type=solaris
3984 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3989 test -n "$libc_type" && enable libc_$libc_type
3991 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3995 add_compat strtod.o strtod=avpriv_strtod
3998 add_compat strtod.o strtod=avpriv_strtod
3999 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4000 _snprintf=avpriv_snprintf \
4001 vsnprintf=avpriv_vsnprintf
4005 # hacks for compiler/libc/os combinations
4007 if enabled_all tms470 libc_glibc; then
4008 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4009 add_cppflags -D__USER_LABEL_PREFIX__=
4010 add_cppflags -D__builtin_memset=memset
4011 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4012 add_cflags -pds=48 # incompatible redefinition of macro
4015 if enabled_all ccc libc_glibc; then
4016 add_ldflags -Wl,-z,now # calls to libots crash without this
4019 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4020 add_cppflags '-I\$(SRC_PATH)/compat/float'
4023 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4026 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4028 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4030 set_default $PATHS_LIST
4033 # we need to build at least one lib type
4034 if ! enabled_any static shared; then
4036 At least one library type must be built.
4037 Specify --enable-static to build the static libraries or --enable-shared to
4038 build the shared libraries as well. To only build the shared libraries specify
4039 --disable-static in addition to --enable-shared.
4044 # backward compatibility layer for incompatible_libav/fork_abi
4045 enabled incompatible_fork_abi && enable incompatible_libav_abi
4046 enabled incompatible_libav_abi && enable incompatible_fork_abi
4048 die_license_disabled() {
4049 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4052 die_license_disabled_gpl() {
4053 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4056 die_license_disabled gpl frei0r
4057 die_license_disabled gpl libcdio
4058 die_license_disabled gpl libutvideo
4059 die_license_disabled gpl libvidstab
4060 die_license_disabled gpl libx264
4061 die_license_disabled gpl libx265
4062 die_license_disabled gpl libxavs
4063 die_license_disabled gpl libxvid
4064 die_license_disabled gpl libzvbi
4065 die_license_disabled gpl x11grab
4067 die_license_disabled nonfree libaacplus
4068 die_license_disabled nonfree libfaac
4069 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4070 enabled gpl && die_license_disabled_gpl nonfree openssl
4072 die_license_disabled version3 libopencore_amrnb
4073 die_license_disabled version3 libopencore_amrwb
4074 die_license_disabled version3 libvo_aacenc
4075 die_license_disabled version3 libvo_amrwbenc
4077 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4079 disabled optimizations || check_cflags -fomit-frame-pointer
4082 disabled pic && return
4085 case "$target_os" in
4095 enabled pic && enable_weak_pic
4097 check_cc <<EOF || die "Symbol mangling check failed."
4100 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4101 extern_prefix=${sym%%ff_extern*}
4103 check_cc <<EOF && enable_weak inline_asm
4104 void foo(void) { __asm__ volatile ("" ::); }
4108 for restrict_keyword in restrict __restrict__ __restrict; do
4109 check_cc <<EOF && _restrict=$restrict_keyword && break
4110 void foo(char * $restrict_keyword p);
4114 check_cc <<EOF && enable pragma_deprecated
4115 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4118 check_cc <<EOF && enable attribute_packed
4119 struct { int x; } __attribute__((packed)) x;
4122 check_cc <<EOF && enable attribute_may_alias
4123 union { int x; } __attribute__((may_alias)) x;
4126 check_cc <<EOF || die "endian test failed"
4127 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4129 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4131 check_inline_asm inline_asm_labels '"1:\n"'
4133 if enabled aarch64; then
4134 # internal assembler in clang 3.3 does not support this instruction
4135 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4136 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4138 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4140 elif enabled alpha; then
4144 elif enabled arm; then
4146 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4147 float func(float a, float b){ return a+b; }
4150 enabled thumb && check_cflags -mthumb || check_cflags -marm
4153 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4155 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4156 case "${cross_prefix:-$cc}" in
4157 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4158 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4159 __asm__ (".eabi_attribute 28, 1");
4160 int main(void) { return 0; }
4163 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4166 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4167 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4168 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4169 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4170 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4171 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4173 [ $target_os = linux ] ||
4174 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4177 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4179 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4181 elif enabled mips; then
4183 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4184 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4185 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4186 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4187 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4188 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4189 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4190 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4191 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4193 elif enabled parisc; then
4195 if enabled gcc; then
4196 case $($cc -dumpversion) in
4197 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4201 elif enabled ppc; then
4203 enable local_aligned_8 local_aligned_16
4205 [ $cpu != e500 -a $cpu != e500v2 ] &&
4206 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4207 check_inline_asm ibm_asm '"add 0, 0, 0"'
4208 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4209 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4211 # AltiVec flags: The FSF version of GCC differs from the Apple version
4212 if enabled altivec; then
4213 if ! enabled_any pic ppc64; then
4216 check_cflags -maltivec -mabi=altivec &&
4217 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4218 check_cflags -faltivec
4220 # check if our compiler supports Motorola AltiVec C API
4221 check_cc <<EOF || disable altivec
4224 vector signed int v1 = (vector signed int) { 0 };
4225 vector signed int v2 = (vector signed int) { 1 };
4226 v1 = vec_add(v1, v2);
4231 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4234 elif enabled sparc; then
4236 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
4238 elif enabled x86; then
4240 check_builtin rdtsc intrin.h "__rdtsc()"
4241 check_builtin mm_empty mmintrin.h "_mm_empty()"
4243 enable local_aligned_8 local_aligned_16
4245 # check whether EBP is available on x86
4246 # As 'i' is stored on the stack, this program will crash
4247 # if the base pointer is used to access it because the
4248 # base pointer is cleared in the inline assembly code.
4249 check_exec_crash <<EOF && enable ebp_available
4251 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4255 # check whether EBX is available on x86
4256 check_inline_asm ebx_available '""::"b"(0)' &&
4257 check_inline_asm ebx_available '"":::"%ebx"'
4259 # check whether xmm clobbers are supported
4260 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4262 # check whether binutils is new enough to compile SSSE3/MMXEXT
4263 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4264 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4266 if ! disabled_any asm mmx yasm; then
4267 if check_cmd $yasmexe --version; then
4268 enabled x86_64 && yasm_extra="-m amd64"
4269 yasm_debug="-g dwarf2"
4270 elif check_cmd nasm -v; then
4272 yasm_debug="-g -F dwarf"
4273 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4276 YASMFLAGS="-f $objformat $yasm_extra"
4277 enabled pic && append YASMFLAGS "-DPIC"
4278 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4279 case "$objformat" in
4280 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4283 check_yasm "movbe ecx, [5]" && enable yasm ||
4284 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4285 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4286 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4287 check_yasm "vfmadd132ps ymm0, ymm1, ymm2" || disable fma3_external
4288 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4289 check_yasm "CPU amdnop" || disable cpunop
4293 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4300 if enabled asm; then
4302 check_as <<EOF && enable gnu_as || \
4303 $nogas "GNU assembler not found, install gas-preprocessor"
4311 check_ldflags -Wl,--as-needed
4313 if check_func dlopen; then
4315 elif check_func dlopen -ldl; then
4319 if ! disabled network; then
4320 check_type "sys/types.h sys/socket.h" socklen_t
4321 check_type netdb.h "struct addrinfo"
4322 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4323 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4324 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4325 check_type netinet/in.h "struct sockaddr_in6"
4326 check_type poll.h "struct pollfd"
4327 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4328 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4329 check_type netinet/sctp.h "struct sctp_event_subscribe"
4330 check_func getaddrinfo $network_extralibs
4331 check_func getservbyport $network_extralibs
4332 check_func inet_aton $network_extralibs
4333 # Prefer arpa/inet.h over winsock2
4334 if check_header arpa/inet.h ; then
4335 check_func closesocket
4336 elif check_header winsock2.h ; then
4337 check_func_headers winsock2.h closesocket -lws2 &&
4338 network_extralibs="-lws2" ||
4339 { check_func_headers winsock2.h closesocket -lws2_32 &&
4340 network_extralibs="-lws2_32"; } || disable winsock2_h network
4341 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4342 check_type ws2tcpip.h socklen_t
4343 check_type ws2tcpip.h "struct addrinfo"
4344 check_type ws2tcpip.h "struct group_source_req"
4345 check_type ws2tcpip.h "struct ip_mreq_source"
4346 check_type ws2tcpip.h "struct ipv6_mreq"
4347 check_type winsock2.h "struct pollfd"
4348 check_type ws2tcpip.h "struct sockaddr_in6"
4349 check_type ws2tcpip.h "struct sockaddr_storage"
4350 check_struct winsock2.h "struct sockaddr" sa_len
4356 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4357 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4360 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4363 check_func_headers stdlib.h getenv
4364 check_func gethrtime
4366 check_func getrusage
4367 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4368 check_func gettimeofday
4370 check_func localtime_r
4371 check_func mach_absolute_time
4372 check_func ${malloc_prefix}memalign && enable memalign
4376 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4377 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4378 check_func setrlimit
4379 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4380 check_func strerror_r
4381 check_func sched_getaffinity
4382 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4383 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4384 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4385 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4386 check_builtin sarestart signal.h "SA_RESTART"
4390 check_func_headers conio.h kbhit
4391 check_func_headers windows.h PeekNamedPipe
4392 check_func_headers io.h setmode
4393 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4394 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4395 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4396 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4397 check_func_headers windows.h GetProcessAffinityMask
4398 check_func_headers windows.h GetProcessTimes
4399 check_func_headers windows.h GetSystemTimeAsFileTime
4400 check_func_headers windows.h MapViewOfFile
4401 check_func_headers windows.h SetConsoleTextAttribute
4402 check_func_headers windows.h Sleep
4403 check_func_headers windows.h VirtualAlloc
4404 check_func_headers glob.h glob
4406 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4408 check_header cl/cl.h
4409 check_header direct.h
4410 check_header dlfcn.h
4412 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4414 check_header libcrystalhd/libcrystalhd_if.h
4415 check_header mach/mach_time.h
4416 check_header malloc.h
4418 check_header sys/mman.h
4419 check_header sys/param.h
4420 check_header sys/resource.h
4421 check_header sys/select.h
4422 check_header sys/time.h
4423 check_header sys/un.h
4424 check_header termios.h
4425 check_header unistd.h
4426 check_header vdpau/vdpau.h
4427 check_header vdpau/vdpau_x11.h
4428 check_header VideoDecodeAcceleration/VDADecoder.h
4429 check_header windows.h
4430 check_header X11/extensions/XvMClib.h
4431 check_header asm/types.h
4433 if ! disabled w32threads && ! enabled pthreads; then
4434 check_func_headers "windows.h process.h" _beginthreadex &&
4435 enable w32threads || disable w32threads
4438 # check for some common methods of building with pthread support
4439 # do this before the optional library checks as some of them require pthreads
4440 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4442 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4444 add_extralibs -pthread
4445 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4446 add_cflags -pthreads
4447 add_extralibs -pthreads
4448 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4449 add_extralibs -lpthreadGC2
4450 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4452 elif ! check_func pthread_join && ! check_func pthread_create; then
4455 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4459 if enabled pthreads; then
4460 check_func pthread_cancel
4463 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4464 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4466 check_lib math.h sin -lm && LIBM="-lm"
4467 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4473 for func in $MATH_FUNCS; do
4474 eval check_mathfunc $func \${${func}_args:-1}
4477 # these are off by default, so fail if requested and not available
4478 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4479 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4480 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4481 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
4482 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4483 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4484 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4485 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4486 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4487 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4488 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4489 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
4490 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4491 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4492 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4493 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4494 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4495 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4496 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"
4497 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4498 enabled libfreetype && require_libfreetype
4499 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4500 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4501 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4502 done || die "ERROR: libgsm not found"; }
4503 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4504 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4505 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4506 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4507 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4508 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4509 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4510 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4511 check_lib openjpeg.h opj_version -lopenjpeg ||
4512 die "ERROR: libopenjpeg not found"; }
4513 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4514 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4515 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4516 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4517 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4518 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4519 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4520 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4521 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4522 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4523 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4524 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4525 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4526 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4527 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4528 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4529 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4530 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4531 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
4532 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4533 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4534 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4536 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4537 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4538 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 ||
4539 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4540 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4541 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; } }
4542 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4543 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4544 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4545 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4546 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4547 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
4548 { check_cpp_condition x265.h "X265_BUILD >= 9" ||
4549 die "ERROR: libx265 version must be >= 9."; }
4550 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4551 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4552 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4553 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4554 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4555 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4556 die "ERROR: openal not found"; } &&
4557 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4558 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4559 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4560 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4561 die "ERROR: opencl not found"; } &&
4562 { ! enabled_any w32threads os2threads ||
4563 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4564 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4565 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4566 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4567 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
4568 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
4569 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
4570 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
4571 die "ERROR: opengl not found."
4573 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4574 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4575 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4576 die "ERROR: openssl not found"; }
4578 if enabled gnutls; then
4579 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4580 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4584 if enabled libdc1394; then
4585 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4586 enable libdc1394_2; } ||
4587 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4588 enable libdc1394_1; } ||
4589 die "ERROR: No version of libdc1394 found "
4592 SDL_CONFIG="${cross_prefix}sdl-config"
4593 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4594 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4595 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4598 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4599 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4600 sdl_libs=$("${SDL_CONFIG}" --libs)
4601 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4602 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4603 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4607 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4609 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4610 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4611 perl -v > /dev/null 2>&1 && enable perl || disable perl
4612 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4613 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4615 check_header linux/fb.h
4616 check_header linux/videodev.h
4617 check_header linux/videodev2.h
4618 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4620 check_header sys/videoio.h
4622 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4623 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4624 # w32api 3.12 had it defined wrong
4625 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4627 check_type "dshow.h" IBaseFilter
4629 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4630 { check_header dev/bktr/ioctl_meteor.h &&
4631 check_header dev/bktr/ioctl_bt848.h; } ||
4632 { check_header machine/ioctl_meteor.h &&
4633 check_header machine/ioctl_bt848.h; } ||
4634 { check_header dev/video/meteor/ioctl_meteor.h &&
4635 check_header dev/video/bktr/ioctl_bt848.h; } ||
4636 check_header dev/ic/bt8xx.h
4638 check_header sndio.h
4639 if check_struct sys/soundcard.h audio_buf_info bytes; then
4640 enable_safe sys/soundcard.h
4642 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4643 #include <sys/soundcard.h>
4647 check_header soundcard.h
4649 enabled_any alsa_indev alsa_outdev &&
4650 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4652 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4653 check_func jack_port_get_latency_range -ljack
4655 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4657 if enabled libcdio; then
4658 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4659 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4660 die "ERROR: libcdio-paranoia not found"
4664 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
4667 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4668 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4669 { enabled xlib || die "ERROR: Xlib not found"; }
4672 check_lib va/va.h vaInitialize -lva ||
4676 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4679 enabled vdpau && enabled xlib &&
4680 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4681 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
4684 # Funny iconv installations are not unusual, so check it after all flags have been set
4685 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4687 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4689 # add some useful compiler flags if supported
4690 check_cflags -Wdeclaration-after-statement
4692 check_cflags -Wdisabled-optimization
4693 check_cflags -Wpointer-arith
4694 check_cflags -Wredundant-decls
4695 check_cflags -Wwrite-strings
4696 check_cflags -Wtype-limits
4697 check_cflags -Wundef
4698 check_cflags -Wmissing-prototypes
4699 check_cflags -Wno-pointer-to-int-cast
4700 check_cflags -Wstrict-prototypes
4701 enabled extra_warnings && check_cflags -Winline
4703 check_disable_warning(){
4704 warning_flag=-W${1#-Wno-}
4705 test_cflags $warning_flag && add_cflags $1
4708 check_disable_warning -Wno-parentheses
4709 check_disable_warning -Wno-switch
4710 check_disable_warning -Wno-format-zero-length
4711 check_disable_warning -Wno-pointer-sign
4713 # add some linker flags
4714 check_ldflags -Wl,--warn-common
4715 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4716 enabled rpath && add_ldflags -Wl,-rpath=$libdir
4717 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4719 # add some strip flags
4720 # -wN '..@*' is more selective than -x, but not available everywhere.
4721 check_stripflags -wN \'..@*\' || check_stripflags -x
4723 enabled neon_clobber_test &&
4724 check_ldflags -Wl,--wrap,avcodec_open2 \
4725 -Wl,--wrap,avcodec_decode_audio4 \
4726 -Wl,--wrap,avcodec_decode_video2 \
4727 -Wl,--wrap,avcodec_decode_subtitle2 \
4728 -Wl,--wrap,avcodec_encode_audio2 \
4729 -Wl,--wrap,avcodec_encode_video2 \
4730 -Wl,--wrap,avcodec_encode_subtitle \
4731 -Wl,--wrap,swr_convert \
4732 -Wl,--wrap,avresample_convert ||
4733 disable neon_clobber_test
4735 enabled xmm_clobber_test &&
4736 check_ldflags -Wl,--wrap,avcodec_open2 \
4737 -Wl,--wrap,avcodec_decode_audio4 \
4738 -Wl,--wrap,avcodec_decode_video2 \
4739 -Wl,--wrap,avcodec_decode_subtitle2 \
4740 -Wl,--wrap,avcodec_encode_audio2 \
4741 -Wl,--wrap,avcodec_encode_video \
4742 -Wl,--wrap,avcodec_encode_video2 \
4743 -Wl,--wrap,avcodec_encode_subtitle \
4744 -Wl,--wrap,swr_convert \
4745 -Wl,--wrap,avresample_convert \
4746 -Wl,--wrap,sws_scale ||
4747 disable xmm_clobber_test
4750 if test_ldflags -Wl,--version-script,$TMPV; then
4751 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4752 check_cc <<EOF && enable symver_asm_label
4753 void ff_foo(void) __asm__ ("av_foo@VERSION");
4754 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4756 check_cc <<EOF && enable symver_gnu_asm
4757 __asm__(".symver ff_foo,av_foo@VERSION");
4758 void ff_foo(void) {}
4762 if [ -z "$optflags" ]; then
4763 if enabled small; then
4764 optflags=$cflags_size
4765 elif enabled optimizations; then
4766 optflags=$cflags_speed
4768 optflags=$cflags_noopt
4774 enabled lto && check_ldflags "$@"
4778 if enabled lto; then
4779 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4781 check_ldflags -flto $cpuflags
4784 check_optflags $optflags
4785 check_optflags -fno-math-errno
4786 check_optflags -fno-signed-zeros
4788 enabled ftrapv && check_cflags -ftrapv
4790 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4795 if enabled icc; then
4796 # Just warnings, no remarks
4798 # -wd: Disable following warnings
4799 # 144, 167, 556: -Wno-pointer-sign
4800 # 188: enumerated type mixed with another type
4801 # 1292: attribute "foo" ignored
4802 # 1419: external declaration in primary source file
4803 # 10006: ignoring unknown option -fno-signed-zeros
4804 # 10148: ignoring unknown option -Wno-parentheses
4805 # 10156: ignoring option '-W'; no argument required
4806 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4807 # 11030: Warning unknown option --as-needed
4808 # 10156: ignoring option '-export'; no argument required
4809 check_ldflags -wd10156,11030
4810 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4811 enable ebp_available
4812 if enabled x86_32; then
4813 icc_version=$($cc -dumpversion)
4814 test ${icc_version%%.*} -ge 11 &&
4815 check_cflags -falign-stack=maintain-16-byte ||
4816 disable aligned_stack
4818 elif enabled ccc; then
4819 # disable some annoying warnings
4820 add_cflags -msg_disable bitnotint
4821 add_cflags -msg_disable mixfuncvoid
4822 add_cflags -msg_disable nonstandcast
4823 add_cflags -msg_disable unsupieee
4824 elif enabled gcc; then
4825 check_optflags -fno-tree-vectorize
4826 check_cflags -Werror=implicit-function-declaration
4827 check_cflags -Werror=missing-prototypes
4828 check_cflags -Werror=return-type
4829 check_cflags -Werror=vla
4830 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4831 elif enabled llvm_gcc; then
4832 check_cflags -mllvm -stack-alignment=16
4833 elif enabled clang; then
4834 check_cflags -mllvm -stack-alignment=16
4835 check_cflags -Qunused-arguments
4836 check_cflags -Werror=implicit-function-declaration
4837 check_cflags -Werror=missing-prototypes
4838 check_cflags -Werror=return-type
4839 elif enabled cparser; then
4840 add_cflags -Wno-missing-variable-declarations
4841 add_cflags -Wno-empty-statement
4842 elif enabled armcc; then
4843 # 2523: use of inline assembler is deprecated
4844 add_cflags -W${armcc_opt},--diag_suppress=2523
4845 add_cflags -W${armcc_opt},--diag_suppress=1207
4846 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4847 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4848 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4849 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4850 elif enabled tms470; then
4851 add_cflags -pds=824 -pds=837
4853 elif enabled pathscale; then
4854 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4855 elif enabled_any msvc icl; then
4856 enabled x86_32 && disable aligned_stack
4857 enabled_all x86_32 debug && add_cflags -Oy-
4858 enabled debug && add_ldflags -debug
4859 enable pragma_deprecated
4860 if enabled icl; then
4861 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4862 # (correctly) on icl 13.x.
4863 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4864 add_cflags -Qansi-alias
4865 # icl will pass the inline asm tests but inline asm is currently
4866 # not supported (build will fail)
4867 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4874 add_asflags -Qunused-arguments
4880 check_ldflags -Qunused-arguments
4886 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4889 add_cppflags -Dmain=plan9_main
4893 enable frame_thread_encoder
4895 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4897 check_deps $CONFIG_LIST \
4902 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"
4905 if test $target_os = "haiku"; then
4907 disable posix_memalign
4910 ! enabled_any memalign posix_memalign aligned_malloc &&
4911 enabled_any $need_memalign && enable memalign_hack
4914 # -> enable ${lib}_deps_${dep}
4915 # -> add $dep to ${lib}_deps only once
4919 enabled "${lib}_deps_${dep}" && return 0
4920 enable "${lib}_deps_${dep}"
4921 prepend "${lib}_deps" $dep
4924 # merge deps lib components
4925 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4930 enabled $comp || continue
4931 eval "dep=\"\$${comp}_deps\""
4938 merge_deps libavfilter $FILTER_LIST
4940 for thread in $THREADS_LIST; do
4941 if enabled $thread; then
4942 test -n "$thread_type" &&
4943 die "ERROR: Only one thread type must be selected." ||
4944 thread_type="$thread"
4948 echo "install prefix $prefix"
4949 echo "source path $source_path"
4950 echo "C compiler $cc"
4951 echo "C library $libc_type"
4952 if test "$host_cc" != "$cc"; then
4953 echo "host C compiler $host_cc"
4954 echo "host C library $host_libc_type"
4956 echo "ARCH $arch ($cpu)"
4957 if test "$build_suffix" != ""; then
4958 echo "build suffix $build_suffix"
4960 if test "$progs_suffix" != ""; then
4961 echo "progs suffix $progs_suffix"
4963 if test "$extra_version" != ""; then
4964 echo "version string suffix $extra_version"
4966 echo "big-endian ${bigendian-no}"
4967 echo "runtime cpu detection ${runtime_cpudetect-no}"
4968 if enabled x86; then
4969 echo "${yasmexe} ${yasm-no}"
4970 echo "MMX enabled ${mmx-no}"
4971 echo "MMXEXT enabled ${mmxext-no}"
4972 echo "3DNow! enabled ${amd3dnow-no}"
4973 echo "3DNow! extended enabled ${amd3dnowext-no}"
4974 echo "SSE enabled ${sse-no}"
4975 echo "SSSE3 enabled ${ssse3-no}"
4976 echo "AVX enabled ${avx-no}"
4977 echo "XOP enabled ${xop-no}"
4978 echo "FMA3 enabled ${fma3-no}"
4979 echo "FMA4 enabled ${fma4-no}"
4980 echo "i686 features enabled ${i686-no}"
4981 echo "CMOV is fast ${fast_cmov-no}"
4982 echo "EBX available ${ebx_available-no}"
4983 echo "EBP available ${ebp_available-no}"
4985 if enabled aarch64; then
4986 echo "NEON enabled ${neon-no}"
4987 echo "VFP enabled ${vfp-no}"
4989 if enabled arm; then
4990 echo "ARMv5TE enabled ${armv5te-no}"
4991 echo "ARMv6 enabled ${armv6-no}"
4992 echo "ARMv6T2 enabled ${armv6t2-no}"
4993 echo "VFP enabled ${vfp-no}"
4994 echo "NEON enabled ${neon-no}"
4995 echo "THUMB enabled ${thumb-no}"
4997 if enabled mips; then
4998 echo "MIPS FPU enabled ${mipsfpu-no}"
4999 echo "MIPS32R2 enabled ${mips32r2-no}"
5000 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5001 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5003 if enabled ppc; then
5004 echo "AltiVec enabled ${altivec-no}"
5005 echo "PPC 4xx optimizations ${ppc4xx-no}"
5006 echo "dcbzl available ${dcbzl-no}"
5008 if enabled sparc; then
5009 echo "VIS enabled ${vis-no}"
5011 echo "debug symbols ${debug-no}"
5012 echo "strip symbols ${stripping-no}"
5013 echo "optimize for size ${small-no}"
5014 echo "optimizations ${optimizations-no}"
5015 echo "static ${static-no}"
5016 echo "shared ${shared-no}"
5017 echo "postprocessing support ${postproc-no}"
5018 echo "new filter support ${avfilter-no}"
5019 echo "network support ${network-no}"
5020 echo "threading support ${thread_type-no}"
5021 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5022 echo "SDL support ${sdl-no}"
5023 echo "opencl enabled ${opencl-no}"
5024 echo "libzvbi enabled ${libzvbi-no}"
5025 echo "texi2html enabled ${texi2html-no}"
5026 echo "perl enabled ${perl-no}"
5027 echo "pod2man enabled ${pod2man-no}"
5028 echo "makeinfo enabled ${makeinfo-no}"
5029 test -n "$random_seed" &&
5030 echo "random seed ${random_seed}"
5033 echo "External libraries:"
5034 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5037 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5038 echo "Enabled ${type}s:"
5039 eval list=\$$(toupper $type)_LIST
5040 print_enabled '_*' $list | print_3_columns
5044 license="LGPL version 2.1 or later"
5045 if enabled nonfree; then
5046 license="nonfree and unredistributable"
5047 elif enabled gplv3; then
5048 license="GPL version 3 or later"
5049 elif enabled lgplv3; then
5050 license="LGPL version 3 or later"
5051 elif enabled gpl; then
5052 license="GPL version 2 or later"
5055 echo "License: $license"
5057 echo "Creating config.mak, config.h, and doc/config.texi..."
5059 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5061 enabled stripping || strip="echo skipping strip"
5063 config_files="$TMPH config.mak doc/config.texi"
5065 cat > config.mak <<EOF
5066 # Automatically generated by configure - do not modify!
5067 ifndef FFMPEG_CONFIG_MAK
5069 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5071 LIBDIR=\$(DESTDIR)$libdir
5072 SHLIBDIR=\$(DESTDIR)$shlibdir
5073 INCDIR=\$(DESTDIR)$incdir
5074 BINDIR=\$(DESTDIR)$bindir
5075 DATADIR=\$(DESTDIR)$datadir
5076 DOCDIR=\$(DESTDIR)$docdir
5077 MANDIR=\$(DESTDIR)$mandir
5078 SRC_PATH=$source_path
5079 ifndef MAIN_MAKEFILE
5080 SRC_PATH:=\$(SRC_PATH:.%=..%)
5089 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5091 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5119 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5120 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5121 YASMFLAGS=$YASMFLAGS
5122 BUILDSUF=$build_suffix
5123 PROGSSUF=$progs_suffix
5131 EXTRA_VERSION=$extra_version
5134 CCDEP_FLAGS=$CCDEP_FLAGS
5136 ASDEP_FLAGS=$ASDEP_FLAGS
5137 CC_DEPFLAGS=$CC_DEPFLAGS
5138 AS_DEPFLAGS=$AS_DEPFLAGS
5141 HOSTCFLAGS=$host_cflags
5142 HOSTCPPFLAGS=$host_cppflags
5143 HOSTEXESUF=$HOSTEXESUF
5144 HOSTLDFLAGS=$host_ldflags
5147 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5148 HOSTCCDEP=$HOSTCCDEP
5149 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5150 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5154 TARGET_EXEC=$target_exec $target_exec_args
5155 TARGET_PATH=$target_path
5156 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5157 CFLAGS-ffplay=$sdl_cflags
5158 ZLIB=$($ldflags_filter -lz)
5159 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5160 EXTRALIBS=$extralibs
5161 COMPAT_OBJS=$compat_objs
5164 LIBTARGET=${LIBTARGET}
5165 SLIBNAME=${SLIBNAME}
5166 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5167 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5168 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5169 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5170 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5171 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5172 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5173 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5174 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5175 NOREDZONE_FLAGS=$noredzone_flags
5180 name=$(toupper $lcname)
5181 file=$source_path/$lcname/version.h
5182 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5183 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5184 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5185 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5186 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5187 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5190 map 'get_version $v' $LIBRARY_LIST
5192 print_program_libs(){
5193 eval "program_libs=\$${1}_libs"
5194 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5197 map 'print_program_libs $v' $PROGRAM_LIST
5200 /* Automatically generated by configure - do not modify! */
5201 #ifndef FFMPEG_CONFIG_H
5202 #define FFMPEG_CONFIG_H
5203 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5204 #define FFMPEG_LICENSE "$(c_escape $license)"
5205 #define CONFIG_THIS_YEAR 2014
5206 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5207 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5208 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5209 #define av_restrict $_restrict
5210 #define EXTERN_PREFIX "${extern_prefix}"
5211 #define EXTERN_ASM ${extern_prefix}
5212 #define BUILDSUF "$build_suffix"
5213 #define SLIBSUF "$SLIBSUF"
5214 #define HAVE_MMX2 HAVE_MMXEXT
5217 test -n "$assert_level" &&
5218 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5220 test -n "$malloc_prefix" &&
5221 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5223 if enabled yasm; then
5224 append config_files $TMPASM
5228 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5232 echo "@c auto-generated by configure" > doc/config.texi
5234 print_config ARCH_ "$config_files" $ARCH_LIST
5235 print_config HAVE_ "$config_files" $HAVE_LIST
5236 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5240 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5241 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5243 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5244 cp_if_changed $TMPH config.h
5247 enabled yasm && cp_if_changed $TMPASM config.asm
5250 /* Generated by ffconf */
5251 #ifndef AVUTIL_AVCONFIG_H
5252 #define AVUTIL_AVCONFIG_H
5255 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5257 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5259 cp_if_changed $TMPH libavutil/avconfig.h
5261 if test -n "$WARNINGS"; then
5262 printf "\n$WARNINGS"
5263 enabled fatal_warnings && exit 1
5266 # build pkg-config files
5268 pkgconfig_generate(){
5270 shortname=${name#lib}${build_suffix}
5275 enabled ${name#lib} || return 0
5277 cat <<EOF > $name/$name${build_suffix}.pc
5279 exec_prefix=\${prefix}
5284 Description: $comment
5286 Requires: $(enabled shared || echo $requires)
5287 Requires.private: $(enabled shared && echo $requires)
5289 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5290 Libs.private: $(enabled shared && echo $libs)
5291 Cflags: -I\${includedir}
5294 mkdir -p doc/examples/pc-uninstalled
5295 includedir=${source_path}
5296 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5297 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5300 libdir=\${pcfiledir}/../../../$name
5301 includedir=${includedir}
5304 Description: $comment
5308 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5309 Cflags: -I\${includedir}
5313 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5314 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
5315 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
5316 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
5317 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
5318 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
5319 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
5320 lavfi_libs=${lavfi_libs%, }
5322 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
5323 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
5325 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5326 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5327 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
5328 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
5329 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
5330 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5331 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5332 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5333 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"