3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --enable-rpath use rpath to allow installing libraries in paths
91 not part of the dynamic linker search path
94 --enable-gpl allow use of GPL code, the resulting libs
95 and binaries will be under GPL [no]
96 --enable-version3 upgrade (L)GPL to version 3 [no]
97 --enable-nonfree allow use of nonfree code, the resulting libs
98 and binaries will be unredistributable [no]
100 Configuration options:
101 --disable-static do not build static libraries [no]
102 --enable-shared build shared libraries [no]
103 --enable-small optimize for size instead of speed
104 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
105 --enable-gray enable full grayscale support (slower color)
106 --disable-swscale-alpha disable alpha channel support in swscale
107 --disable-all disable building components, libraries and programs
108 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
109 --enable-raise-major increase major version numbers in sonames [no]
112 --disable-programs do not build command line programs
113 --disable-ffmpeg disable ffmpeg build
114 --disable-ffplay disable ffplay build
115 --disable-ffprobe disable ffprobe build
116 --disable-ffserver disable ffserver build
118 Documentation options:
119 --disable-doc do not build documentation
120 --disable-htmlpages do not build HTML documentation pages
121 --disable-manpages do not build man documentation pages
122 --disable-podpages do not build POD documentation pages
123 --disable-txtpages do not build text documentation pages
126 --disable-avdevice disable libavdevice build
127 --disable-avcodec disable libavcodec build
128 --disable-avformat disable libavformat build
129 --disable-avutil disable libavutil build
130 --disable-swresample disable libswresample build
131 --disable-swscale disable libswscale build
132 --disable-postproc disable libpostproc build
133 --disable-avfilter disable libavfilter build
134 --enable-avresample enable libavresample build [no]
135 --disable-pthreads disable pthreads [auto]
136 --disable-w32threads disable Win32 threads [auto]
137 --disable-os2threads disable OS/2 threads [auto]
138 --disable-network disable network support [no]
139 --disable-dct disable DCT code
140 --disable-dwt disable DWT code
141 --disable-error-resilience disable error resilience code
142 --disable-lsp disable LSP code
143 --disable-lzo disable LZO decoder code
144 --disable-mdct disable MDCT code
145 --disable-rdft disable RDFT code
146 --disable-fft disable FFT code
148 Hardware accelerators:
149 --disable-dxva2 disable DXVA2 code [autodetect]
150 --disable-vaapi disable VAAPI code [autodetect]
151 --disable-vda disable VDA code [autodetect]
152 --disable-vdpau disable VDPAU code [autodetect]
154 Individual component options:
155 --disable-everything disable all components listed below
156 --disable-encoder=NAME disable encoder NAME
157 --enable-encoder=NAME enable encoder NAME
158 --disable-encoders disable all encoders
159 --disable-decoder=NAME disable decoder NAME
160 --enable-decoder=NAME enable decoder NAME
161 --disable-decoders disable all decoders
162 --disable-hwaccel=NAME disable hwaccel NAME
163 --enable-hwaccel=NAME enable hwaccel NAME
164 --disable-hwaccels disable all hwaccels
165 --disable-muxer=NAME disable muxer NAME
166 --enable-muxer=NAME enable muxer NAME
167 --disable-muxers disable all muxers
168 --disable-demuxer=NAME disable demuxer NAME
169 --enable-demuxer=NAME enable demuxer NAME
170 --disable-demuxers disable all demuxers
171 --enable-parser=NAME enable parser NAME
172 --disable-parser=NAME disable parser NAME
173 --disable-parsers disable all parsers
174 --enable-bsf=NAME enable bitstream filter NAME
175 --disable-bsf=NAME disable bitstream filter NAME
176 --disable-bsfs disable all bitstream filters
177 --enable-protocol=NAME enable protocol NAME
178 --disable-protocol=NAME disable protocol NAME
179 --disable-protocols disable all protocols
180 --enable-indev=NAME enable input device NAME
181 --disable-indev=NAME disable input device NAME
182 --disable-indevs disable input devices
183 --enable-outdev=NAME enable output device NAME
184 --disable-outdev=NAME disable output device NAME
185 --disable-outdevs disable output devices
186 --disable-devices disable all devices
187 --enable-filter=NAME enable filter NAME
188 --disable-filter=NAME disable filter NAME
189 --disable-filters disable all filters
191 External library support:
192 --enable-avisynth enable reading of AviSynth script files [no]
193 --disable-bzlib disable bzlib [autodetect]
194 --enable-fontconfig enable fontconfig
195 --enable-frei0r enable frei0r video filtering
196 --enable-gnutls enable gnutls [no]
197 --disable-iconv disable iconv [autodetect]
198 --enable-ladspa enable LADSPA audio filtering
199 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
200 --enable-libass enable libass subtitles rendering [no]
201 --enable-libbluray enable BluRay reading using libbluray [no]
202 --enable-libbs2b enable bs2b DSP library [no]
203 --enable-libcaca enable textual display using libcaca
204 --enable-libcelt enable CELT decoding via libcelt [no]
205 --enable-libcdio enable audio CD grabbing with libcdio
206 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
208 --enable-libfaac enable AAC encoding via libfaac [no]
209 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
210 --enable-libflite enable flite (voice synthesis) support via libflite [no]
211 --enable-libfreetype enable libfreetype [no]
212 --enable-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 de/encoding 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]
263 --arch=ARCH select architecture [$arch]
264 --cpu=CPU select the minimum required CPU (affects
265 instruction selection, may crash on older CPUs)
266 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
267 --progs-suffix=SUFFIX program name suffix []
268 --enable-cross-compile assume a cross-compiler is used
269 --sysroot=PATH root of cross-build tree
270 --sysinclude=PATH location of cross-build system headers
271 --target-os=OS compiler targets OS [$target_os]
272 --target-exec=CMD command to run executables on target
273 --target-path=DIR path to view of build directory on target
274 --target-samples=DIR path to samples directory on target
275 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
276 --toolchain=NAME set tool defaults according to NAME
277 --nm=NM use nm tool NM [$nm_default]
278 --ar=AR use archive tool AR [$ar_default]
279 --as=AS use assembler AS [$as_default]
280 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
281 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
282 --cc=CC use C compiler CC [$cc_default]
283 --cxx=CXX use C compiler CXX [$cxx_default]
284 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
285 --ld=LD use linker LD [$ld_default]
286 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
287 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
288 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
289 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
290 --host-cc=HOSTCC use host C compiler HOSTCC
291 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
292 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
293 --host-ld=HOSTLD use host linker HOSTLD
294 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
295 --host-libs=HLIBS use libs HLIBS when linking for host
296 --host-os=OS compiler host OS [$target_os]
297 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
298 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
299 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
300 --extra-libs=ELIBS add ELIBS [$ELIBS]
301 --extra-version=STRING version string suffix []
302 --optflags=OPTFLAGS override optimization-related compiler flags
303 --build-suffix=SUFFIX library name suffix []
304 --enable-pic build position-independent code
305 --enable-thumb compile for Thumb instruction set
306 --enable-lto use link-time optimization
308 Advanced options (experts only):
309 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
310 --disable-symver disable symbol versioning
311 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
312 --disable-safe-bitstream-reader
313 disable buffer boundary checking in bitreaders
314 (faster, but may crash)
315 --enable-memalign-hack emulate memalign, interferes with memory debuggers
316 --enable-sram allow use of on-chip SRAM
317 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
319 Optimization options (experts only):
320 --disable-asm disable all assembly optimizations
321 --disable-altivec disable AltiVec optimizations
322 --disable-amd3dnow disable 3DNow! optimizations
323 --disable-amd3dnowext disable 3DNow! extended optimizations
324 --disable-mmx disable MMX optimizations
325 --disable-mmxext disable MMXEXT optimizations
326 --disable-sse disable SSE optimizations
327 --disable-sse2 disable SSE2 optimizations
328 --disable-sse3 disable SSE3 optimizations
329 --disable-ssse3 disable SSSE3 optimizations
330 --disable-sse4 disable SSE4 optimizations
331 --disable-sse42 disable SSE4.2 optimizations
332 --disable-avx disable AVX optimizations
333 --disable-xop disable XOP optimizations
334 --disable-fma3 disable FMA3 optimizations
335 --disable-fma4 disable FMA4 optimizations
336 --disable-avx2 disable AVX2 optimizations
337 --disable-armv5te disable armv5te optimizations
338 --disable-armv6 disable armv6 optimizations
339 --disable-armv6t2 disable armv6t2 optimizations
340 --disable-vfp disable VFP optimizations
341 --disable-neon disable NEON optimizations
342 --disable-inline-asm disable use of inline assembly
343 --disable-yasm disable use of nasm/yasm assembly
344 --disable-mips32r2 disable MIPS32R2 optimizations
345 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
346 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
347 --disable-mipsfpu disable floating point MIPS optimizations
348 --disable-fast-unaligned consider unaligned accesses slow
350 Developer options (useful when working on FFmpeg itself):
351 --disable-debug disable debugging symbols
352 --enable-debug=LEVEL set the debug level [$debuglevel]
353 --disable-optimizations disable compiler optimizations
354 --enable-extra-warnings enable more compiler warnings
355 --disable-stripping disable stripping of executables and shared libraries
356 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
357 2 causes a slowdown at runtime.
358 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
359 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
360 leaks and errors, using the specified valgrind binary.
361 Cannot be combined with --target-exec
362 --enable-ftrapv Trap arithmetic overflows
363 --samples=PATH location of test samples for FATE, if not set use
364 \$FATE_SAMPLES at make invocation time.
365 --enable-neon-clobber-test check NEON registers for clobbering (should be
366 used only for debugging purposes)
367 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
368 should be used only for debugging purposes)
369 --enable-random randomly enable/disable components
371 --enable-random=LIST randomly enable/disable specific components or
372 --disable-random=LIST component groups. LIST is a comma-separated list
373 of NAME[:PROB] entries where NAME is a component
374 (group) and PROB the probability associated with
376 --random-seed=VALUE seed value for --enable/disable-random
378 NOTE: Object files are built at the place where configure is launched.
386 echo "$@" >> $logfile
391 pr -n -t $1 >> $logfile
402 WARNINGS="${WARNINGS}WARNING: $*\n"
409 If you think configure made a mistake, make sure you are using the latest
410 version from Git. If the latest version fails, report the problem to the
411 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
413 if disabled logging; then
415 Rerun configure with logging enabled (do not use --disable-logging), and
416 include the log this produces with your report.
420 Include the log file "$logfile" produced by configure as this will help
427 # Avoid locale weirdness, besides we really just want to translate ASCII.
429 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
433 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
437 echo "$*" | sed 's/["\\]/\\\0/g'
441 v=$(echo "$1" | sed "s/'/'\\\\''/g")
442 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
447 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g'
454 eval "case $v in $pat) echo $v ;; esac"
462 eval "case $v in $pat) ;; *) echo $v ;; esac"
469 for v; do eval $m; done
475 for v; do echo ${v}${suffix}; done
490 eval : \${$var:=$value}
495 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
501 eval $(sanitize_var_name "$var")='$*'
505 eval echo \$$(sanitize_var_name "$1")
510 eval level=\${${pvar}_level:=0}
511 eval ${pvar}_${level}="\$$pvar"
512 eval ${pvar}_level=$(($level+1))
518 eval level=\${${pvar}_level:-0}
519 test $level = 0 && continue
520 eval level=$(($level-1))
521 eval $pvar="\${${pvar}_${level}}"
522 eval ${pvar}_level=$level
523 eval unset ${pvar}_${level}
545 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
551 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
557 enabled $var && continue
558 eval sel="\$${var}_select"
559 eval sgs="\$${var}_suggest"
563 enable_deep_weak $sgs
575 disabled $var && continue
584 test "${1#!}" = "$1" && op== || op=!=
585 eval test "x\$${1#!}" $op "xyes"
589 test "${1#!}" = "$1" && op== || op=!=
590 eval test "x\$${1#!}" $op "xno"
595 enabled $opt || return 1
601 disabled $opt || return 1
607 enabled $opt && return 0
613 disabled $opt && return 0
620 eval : \${$opt:=\$${opt}_default}
628 [ $var = $value ] && return 0
636 enabled ${cfg}_checking && die "Circular dependency for $cfg."
637 disabled ${cfg}_checking && continue
638 enable ${cfg}_checking
641 eval dep_all="\$${cfg}_deps"
642 eval dep_any="\$${cfg}_deps_any"
643 eval dep_sel="\$${cfg}_select"
644 eval dep_sgs="\$${cfg}_suggest"
645 eval dep_ifa="\$${cfg}_if"
646 eval dep_ifn="\$${cfg}_if_any"
648 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
649 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
650 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
652 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
653 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
654 enabled_all $dep_all || disable $cfg
655 enabled_any $dep_any || disable $cfg
656 disabled_any $dep_sel && disable $cfg
658 if enabled $cfg; then
660 enable_deep_weak $dep_sgs
663 disable ${cfg}_checking
672 for cfg in $allopts; do
673 enabled $cfg || continue
674 eval dep_extralibs="\$${cfg}_extralibs"
675 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
683 map 'eval echo "$v \${$v:-no}"' "$@" |
684 awk "BEGIN { split(\"$files\", files) }
686 c = \"$pfx\" toupper(\$1);
692 if (file ~ /\\.h\$/) {
693 printf(\"#define %s %d\\n\", c, v) >>file;
694 } else if (file ~ /\\.asm\$/) {
695 printf(\"%%define %s %d\\n\", c, v) >>file;
696 } else if (file ~ /\\.mak\$/) {
697 n = -v ? \"\" : \"!\";
698 printf(\"%s%s=yes\\n\", n, c) >>file;
699 } else if (file ~ /\\.texi\$/) {
700 pre = -v ? \"\" : \"@c \";
703 gsub(/_/, \"-\", c2);
704 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
714 enabled $v && printf "%s\n" ${v%$suf};
721 eval "$var=\"\$$var $*\""
727 eval "$var=\"$* \$$var\""
733 for tok in $(eval echo \$$var); do
734 uniq_list="$(filter_out $tok $uniq_list) $tok"
736 eval "$var=\"${uniq_list}\""
744 append CFLAGS $($cflags_filter "$@")
748 append CXXFLAGS $($cflags_filter "$@")
752 append ASFLAGS $($asflags_filter "$@")
756 append LDFLAGS $($ldflags_filter "$@")
760 append ASMSTRIPFLAGS "$@"
764 prepend extralibs $($ldflags_filter "$@")
768 append host_cppflags "$@"
772 append host_cflags $($host_cflags_filter "$@")
776 append host_ldflags $($host_ldflags_filter "$@")
780 append compat_objs $1
782 map 'add_cppflags -D$v' "$@"
787 "$@" >> $logfile 2>&1
792 stat "$1" >> $logfile 2>&1
796 eval printf '%s\\n' $CC_O
800 eval printf '%s\\n' $CC_E
807 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
814 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
821 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
828 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
832 eval printf '%s\\n' $AS_O
839 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
843 log check_inline_asm "$@"
848 check_cc "$@" <<EOF && enable $name
849 void foo(void){ __asm__ volatile($code); }
855 check_inline_asm ${1}_inline "\"$2\""
856 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
864 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
868 eval printf '%s\\n' $LD_O
875 flags=$(filter_out '-l*|*.so' $@)
876 libs=$(filter '-l*|*.so' $@)
877 check_$type $($cflags_filter $flags) || return
878 flags=$($ldflags_filter $flags)
879 libs=$($ldflags_filter $libs)
880 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
885 test "${hdr%.h}" = "${hdr}" &&
886 echo "#include $hdr" ||
887 echo "#include <$hdr>"
897 for hdr in $headers; do
900 echo "int main(void) { $code; return 0; }"
901 } | check_$check "$@"
905 log check_cppflags "$@"
906 check_cc "$@" <<EOF && append CPPFLAGS "$@"
913 set -- $($cflags_filter "$@")
920 log check_cflags "$@"
921 test_cflags "$@" && add_cflags "$@"
925 log check_cxxflags "$@"
926 set -- $($cflags_filter "$@")
927 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
933 log test_ldflags "$@"
934 check_ld "cc" "$@" <<EOF
935 int main(void){ return 0; }
940 log check_ldflags "$@"
941 test_ldflags "$@" && add_ldflags "$@"
945 log test_stripflags "$@"
946 # call check_cc to get a fresh TMPO
948 int main(void) { return 0; }
950 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
954 log check_stripflags "$@"
955 test_stripflags "$@" && add_stripflags "$@"
959 log check_header "$@"
963 check_cpp "$@" <<EOF && enable_safe $header
970 log check_header_oc "$@"
976 echo "#include <$header>"
977 echo "int main(void) { return 0; }"
978 } | check_oc && check_stat "$TMPO" && enable_safe $headers
986 check_ld "cc" "$@" <<EOF && enable $func
988 int main(void){ $func(); }
993 log check_mathfunc "$@"
997 test $narg = 2 && args="f, g" || args="f"
999 check_ld "cc" "$@" <<EOF && enable $func
1001 float foo(float f, float g) { return $func($args); }
1002 int main(void){ return (int) foo; }
1006 check_func_headers(){
1007 log check_func_headers "$@"
1012 for hdr in $headers; do
1015 for func in $funcs; do
1016 echo "long check_$func(void) { return (long) $func; }"
1018 echo "int main(void) { return 0; }"
1019 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1022 check_class_headers_cpp(){
1023 log check_class_headers_cpp "$@"
1028 for hdr in $headers; do
1029 echo "#include <$hdr>"
1031 echo "int main(void) { "
1033 for class in $classes; do
1034 echo "$class obj$i;"
1038 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1041 check_cpp_condition(){
1042 log check_cpp_condition "$@"
1046 check_cpp "$@" <<EOF
1049 #error "unsatisfied condition: $condition"
1059 check_header $header && check_func $func "$@" && add_extralibs "$@"
1067 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1071 log check_lib_cpp "$@"
1075 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1079 log check_pkg_config "$@"
1085 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1086 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1087 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1088 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1089 set_safe ${pkg}_cflags $pkg_cflags &&
1090 set_safe ${pkg}_libs $pkg_libs
1094 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1100 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1101 # are safe but may not be available everywhere. Thus we use
1102 # raise(SIGTERM) instead. The check is run in a subshell so we
1103 # can redirect the "Terminated" message from the shell. SIGBUS
1104 # is not defined by standard C so it is used conditionally.
1106 (check_exec "$@") >> $logfile 2>&1 <<EOF
1108 static void sighandler(int sig){
1114 int (*func_ptr)(void) = foo;
1116 signal(SIGILL, sighandler);
1117 signal(SIGFPE, sighandler);
1118 signal(SIGSEGV, sighandler);
1120 signal(SIGBUS, sighandler);
1132 disable_safe "$type"
1133 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1137 log check_struct "$@"
1142 disable_safe "${struct}_${member}"
1143 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1144 enable_safe "${struct}_${member}"
1148 log check_builtin "$@"
1154 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1157 check_compile_assert(){
1158 log check_compile_assert "$@"
1164 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1172 check_lib $header $func "$@" || die "ERROR: $name not found"
1180 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1188 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1191 require_pkg_config(){
1193 check_pkg_config "$@" || die "ERROR: $pkg not found"
1194 add_cflags $(get_safe ${pkg}_cflags)
1195 add_extralibs $(get_safe ${pkg}_libs)
1198 require_libfreetype(){
1199 log require_libfreetype "$@"
1201 check_cmd $pkg_config --exists --print-errors $pkg \
1202 || die "ERROR: $pkg not found"
1203 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1204 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1206 echo "#include <ft2build.h>"
1207 echo "#include FT_FREETYPE_H"
1208 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1209 echo "int main(void) { return 0; }"
1210 } | check_ld "cc" $pkg_cflags $pkg_libs \
1211 && set_safe ${pkg}_cflags $pkg_cflags \
1212 && set_safe ${pkg}_libs $pkg_libs \
1213 || die "ERROR: $pkg not found"
1214 add_cflags $(get_safe ${pkg}_cflags)
1215 add_extralibs $(get_safe ${pkg}_libs)
1219 eval printf '%s\\n' $HOSTCC_E
1223 eval printf '%s\\n' $HOSTCC_O
1227 log check_host_cc "$@"
1230 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1234 log check_host_cpp "$@"
1237 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1240 check_host_cppflags(){
1241 log check_host_cppflags "$@"
1242 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1247 check_host_cflags(){
1248 log check_host_cflags "$@"
1249 set -- $($host_cflags_filter "$@")
1250 check_host_cc "$@" <<EOF && append host_cflags "$@"
1255 check_host_cpp_condition(){
1256 log check_host_cpp_condition "$@"
1260 check_host_cpp "$@" <<EOF
1263 #error "unsatisfied condition: $condition"
1271 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1275 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1276 mkdir -p "$(dirname $2)"
1280 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1281 # system-dependent things.
1298 avio_reading_example
1299 decoding_encoding_example
1300 demuxing_decoding_example
1301 filter_audio_example
1302 filtering_audio_example
1303 filtering_video_example
1307 resampling_audio_example
1308 scaling_video_example
1309 transcode_aac_example
1313 EXTERNAL_LIBRARY_LIST="
1395 safe_bitstream_reader
1453 $EXTERNAL_LIBRARY_LIST
1461 incompatible_libav_abi
1521 ARCH_EXT_LIST_MIPS="
1528 ARCH_EXT_LIST_X86_SIMD="
1555 $ARCH_EXT_LIST_X86_SIMD
1585 sync_val_compare_and_swap
1596 incompatible_libav_abi
1605 cdio_paranoia_paranoia_h
1607 dev_bktr_ioctl_bt848_h
1608 dev_bktr_ioctl_meteor_h
1610 dev_video_bktr_ioctl_bt848_h
1611 dev_video_meteor_ioctl_meteor_h
1619 machine_ioctl_bt848_h
1620 machine_ioctl_meteor_h
1622 openjpeg_1_5_openjpeg_h
1685 GetProcessAffinityMask
1686 GetProcessMemoryInfo
1690 GetSystemTimeAsFileTime
1696 jack_port_get_latency_range
1711 SetConsoleTextAttribute
1723 TOOLCHAIN_FEATURES="
1735 inline_asm_nonlocal_labels
1736 inline_asm_direct_symbol_refs
1749 struct_group_source_req
1750 struct_ip_mreq_source
1753 struct_rusage_ru_maxrss
1754 struct_sctp_event_subscribe
1756 struct_sockaddr_sa_len
1757 struct_sockaddr_storage
1758 struct_stat_st_mtim_tv_nsec
1759 struct_v4l2_frmivalenum_discrete
1764 $(add_suffix _external $ARCH_EXT_LIST)
1765 $(add_suffix _inline $ARCH_EXT_LIST)
1794 # options emitted with CONFIG_ prefix but not available on the command line
1806 frame_thread_encoder
1923 # code dependency declarations
1925 # architecture extensions
1930 armv8_deps="aarch64"
1931 neon_deps_any="aarch64 arm"
1932 vfp_deps_any="aarch64 arm"
1935 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1938 mips32r2_deps="mips"
1939 mipsdspr1_deps="mips"
1940 mipsdspr2_deps="mips"
1947 x86_64_select="i686"
1948 x86_64_suggest="fast_cmov"
1951 amd3dnowext_deps="amd3dnow"
1967 mmx_external_deps="yasm"
1968 mmx_inline_deps="inline_asm"
1969 mmx_suggest="mmx_external mmx_inline"
1971 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1972 eval dep=\$${ext}_deps
1973 eval ${ext}_external_deps='"${dep}_external"'
1974 eval ${ext}_inline_deps='"${dep}_inline"'
1975 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1978 aligned_stack_if_any="aarch64 ppc x86"
1979 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1980 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1981 fast_unaligned_if_any="aarch64 ppc x86"
1983 need_memalign="altivec neon sse"
1985 # system capabilities
1987 symver_if_any="symver_asm_label symver_gnu_asm"
1990 atomics_gcc_if="sync_val_compare_and_swap"
1991 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1992 atomics_win32_if="MemoryBarrier"
1993 atomics_native_if_any="$ATOMICS_LIST"
1994 w32threads_deps="atomics_native"
1995 threads_if_any="$THREADS_LIST"
1999 dsputil_select="fdctdsp idctdsp"
2000 error_resilience_select="dsputil"
2001 frame_thread_encoder_deps="encoders threads"
2002 intrax8_select="error_resilience"
2005 mpeg_er_select="error_resilience"
2006 mpegaudio_select="mpegaudiodsp"
2007 mpegaudiodsp_select="dct"
2008 mpegvideo_select="blockdsp dsputil h264chroma hpeldsp idctdsp videodsp"
2009 mpegvideoenc_select="dsputil mpegvideo qpeldsp"
2011 # decoders / encoders
2012 aac_decoder_select="mdct sinewin"
2013 aac_encoder_select="audio_frame_queue mdct sinewin"
2014 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2015 ac3_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2016 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2017 ac3_encoder_select="ac3dsp audiodsp dsputil mdct"
2018 ac3_fixed_encoder_select="ac3dsp audiodsp dsputil mdct"
2019 aic_decoder_select="golomb idctdsp"
2020 alac_encoder_select="lpc"
2021 als_decoder_select="bswapdsp"
2022 amrnb_decoder_select="lsp"
2023 amrwb_decoder_select="lsp"
2024 amv_decoder_select="sp5x_decoder exif"
2025 amv_encoder_select="aandcttables mpegvideoenc"
2026 ape_decoder_select="bswapdsp llauddsp"
2027 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2028 asv1_encoder_select="bswapdsp dsputil fdctdsp"
2029 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2030 asv2_encoder_select="bswapdsp dsputil fdctdsp"
2031 atrac1_decoder_select="mdct sinewin"
2032 atrac3_decoder_select="mdct"
2033 atrac3p_decoder_select="mdct sinewin"
2034 avrn_decoder_select="exif"
2035 bink_decoder_select="blockdsp hpeldsp"
2036 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
2037 binkaudio_rdft_decoder_select="mdct rdft sinewin"
2038 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2039 cllc_decoder_select="bswapdsp"
2040 comfortnoise_encoder_select="lpc"
2041 cook_decoder_select="audiodsp mdct sinewin"
2042 cscd_decoder_select="lzo"
2043 cscd_decoder_suggest="zlib"
2044 dca_decoder_select="mdct"
2045 dirac_decoder_select="dsputil dwt golomb videodsp"
2046 dnxhd_decoder_select="blockdsp idctdsp"
2047 dnxhd_encoder_select="aandcttables blockdsp dsputil fdctdsp idctdsp mpegvideoenc"
2048 dvvideo_decoder_select="idctdsp"
2049 dvvideo_encoder_select="dsputil fdctdsp"
2050 dxa_decoder_select="zlib"
2051 eac3_decoder_select="ac3_decoder"
2052 eac3_encoder_select="ac3_encoder"
2053 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2054 eatgq_decoder_select="aandcttables"
2055 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2056 exr_decoder_select="zlib"
2057 ffv1_decoder_select="golomb rangecoder"
2058 ffv1_encoder_select="rangecoder"
2059 ffvhuff_decoder_select="huffyuv_decoder"
2060 ffvhuff_encoder_select="huffyuv_encoder"
2061 fic_decoder_select="golomb"
2062 flac_decoder_select="golomb"
2063 flac_encoder_select="bswapdsp golomb lpc"
2064 flashsv_decoder_select="zlib"
2065 flashsv_encoder_select="zlib"
2066 flashsv2_encoder_select="zlib"
2067 flashsv2_decoder_select="zlib"
2068 flv_decoder_select="h263_decoder"
2069 flv_encoder_select="h263_encoder"
2070 fourxm_decoder_select="blockdsp bswapdsp"
2071 fraps_decoder_select="bswapdsp huffman"
2072 g2m_decoder_select="blockdsp idctdsp zlib"
2073 g729_decoder_select="audiodsp"
2074 h261_decoder_select="mpeg_er mpegvideo"
2075 h261_encoder_select="aandcttables mpegvideoenc"
2076 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2077 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2078 h263i_decoder_select="h263_decoder"
2079 h263p_encoder_select="h263_encoder"
2080 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
2081 h264_decoder_suggest="error_resilience"
2082 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2083 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2084 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2085 iac_decoder_select="imc_decoder"
2086 imc_decoder_select="bswapdsp fft mdct sinewin"
2087 indeo3_decoder_select="hpeldsp"
2088 interplay_video_decoder_select="hpeldsp"
2089 jpegls_decoder_select="golomb mjpeg_decoder"
2090 jpegls_encoder_select="golomb"
2091 jv_decoder_select="blockdsp"
2092 lagarith_decoder_select="huffyuvdsp"
2093 ljpeg_encoder_select="aandcttables idctdsp"
2094 loco_decoder_select="golomb"
2095 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2096 metasound_decoder_select="lsp mdct sinewin"
2097 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2098 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp"
2099 mjpeg_encoder_select="aandcttables mpegvideoenc"
2100 mjpegb_decoder_select="mjpeg_decoder"
2101 mlp_decoder_select="mlp_parser"
2102 motionpixels_decoder_select="bswapdsp"
2103 mp1_decoder_select="mpegaudio"
2104 mp1float_decoder_select="mpegaudio"
2105 mp2_decoder_select="mpegaudio"
2106 mp2float_decoder_select="mpegaudio"
2107 mp3_decoder_select="mpegaudio"
2108 mp3adu_decoder_select="mpegaudio"
2109 mp3adufloat_decoder_select="mpegaudio"
2110 mp3float_decoder_select="mpegaudio"
2111 mp3on4_decoder_select="mpegaudio"
2112 mp3on4float_decoder_select="mpegaudio"
2113 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2114 mpc8_decoder_select="mpegaudiodsp"
2115 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2116 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2117 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2118 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2119 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2120 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2121 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2122 mpeg4_encoder_select="h263_encoder"
2123 msmpeg4v1_decoder_select="h263_decoder"
2124 msmpeg4v2_decoder_select="h263_decoder"
2125 msmpeg4v2_encoder_select="h263_encoder"
2126 msmpeg4v3_decoder_select="h263_decoder"
2127 msmpeg4v3_encoder_select="h263_encoder"
2128 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2129 mxpeg_decoder_select="mjpeg_decoder"
2130 nellymoser_decoder_select="mdct sinewin"
2131 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2132 nuv_decoder_select="idctdsp lzo"
2133 on2avc_decoder_select="mdct"
2134 opus_decoder_deps="swresample"
2135 png_decoder_select="zlib"
2136 png_encoder_select="huffyuvencdsp zlib"
2137 prores_decoder_select="blockdsp idctdsp"
2138 prores_encoder_select="fdctdsp"
2139 qcelp_decoder_select="lsp"
2140 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2141 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2142 ra_144_decoder_select="audiodsp"
2143 ralf_decoder_select="golomb"
2144 rawvideo_decoder_select="dsputil"
2145 rtjpeg_decoder_select="dsputil"
2146 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2147 rv10_encoder_select="h263_encoder"
2148 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2149 rv20_encoder_select="h263_encoder"
2150 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2151 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2152 shorten_decoder_select="golomb"
2153 sipr_decoder_select="lsp"
2154 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
2155 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
2156 sonic_decoder_select="golomb rangecoder"
2157 sonic_encoder_select="golomb rangecoder"
2158 sonic_ls_encoder_select="golomb rangecoder"
2159 sp5x_decoder_select="mjpeg_decoder"
2160 svq1_decoder_select="hpeldsp"
2161 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
2162 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2163 svq3_decoder_suggest="zlib"
2164 tak_decoder_select="audiodsp"
2165 theora_decoder_select="vp3_decoder"
2166 thp_decoder_select="mjpeg_decoder"
2167 tiff_decoder_suggest="zlib"
2168 tiff_encoder_suggest="zlib"
2169 truehd_decoder_select="mlp_parser"
2170 truemotion2_decoder_select="bswapdsp"
2171 truespeech_decoder_select="bswapdsp"
2172 tscc_decoder_select="zlib"
2173 twinvq_decoder_select="mdct lsp sinewin"
2174 utvideo_decoder_select="bswapdsp"
2175 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2176 vble_decoder_select="huffyuvdsp"
2177 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp"
2178 vc1image_decoder_select="vc1_decoder"
2179 vorbis_decoder_select="mdct"
2180 vorbis_encoder_select="mdct"
2181 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2182 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2183 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2184 vp6a_decoder_select="vp6_decoder"
2185 vp6f_decoder_select="vp6_decoder"
2186 vp7_decoder_select="h264pred videodsp"
2187 vp8_decoder_select="h264pred videodsp"
2188 vp9_decoder_select="videodsp vp9_parser"
2189 webp_decoder_select="vp8_decoder"
2190 wmalossless_decoder_select="llauddsp"
2191 wmapro_decoder_select="mdct sinewin"
2192 wmav1_decoder_select="mdct sinewin"
2193 wmav1_encoder_select="mdct sinewin"
2194 wmav2_decoder_select="mdct sinewin"
2195 wmav2_encoder_select="mdct sinewin"
2196 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2197 wmv1_decoder_select="h263_decoder"
2198 wmv1_encoder_select="h263_encoder"
2199 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
2200 wmv2_encoder_select="h263_encoder"
2201 wmv3_decoder_select="vc1_decoder"
2202 wmv3image_decoder_select="wmv3_decoder"
2203 zerocodec_decoder_select="zlib"
2204 zlib_decoder_select="zlib"
2205 zlib_encoder_select="zlib"
2206 zmbv_decoder_select="zlib"
2207 zmbv_encoder_select="zlib"
2209 # hardware accelerators
2210 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2211 dxva2_deps="dxva2api_h"
2212 vaapi_deps="va_va_h"
2213 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2214 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2215 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2216 xvmc_deps="X11_extensions_XvMClib_h"
2218 h263_vaapi_hwaccel_deps="vaapi"
2219 h263_vaapi_hwaccel_select="h263_decoder"
2220 h263_vdpau_hwaccel_deps="vdpau"
2221 h263_vdpau_hwaccel_select="h263_decoder"
2222 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2223 h264_dxva2_hwaccel_deps="dxva2"
2224 h264_dxva2_hwaccel_select="h264_decoder"
2225 h264_vaapi_hwaccel_deps="vaapi"
2226 h264_vaapi_hwaccel_select="h264_decoder"
2227 h264_vda_decoder_deps="vda"
2228 h264_vda_decoder_select="h264_decoder"
2229 h264_vda_hwaccel_deps="vda"
2230 h264_vda_hwaccel_select="h264_decoder"
2231 h264_vda_old_hwaccel_deps="vda"
2232 h264_vda_old_hwaccel_select="h264_decoder"
2233 h264_vdpau_decoder_deps="vdpau"
2234 h264_vdpau_decoder_select="h264_decoder"
2235 h264_vdpau_hwaccel_deps="vdpau"
2236 h264_vdpau_hwaccel_select="h264_decoder"
2237 mpeg_vdpau_decoder_deps="vdpau"
2238 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2239 mpeg_xvmc_hwaccel_deps="xvmc"
2240 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2241 mpeg1_vdpau_decoder_deps="vdpau"
2242 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2243 mpeg1_vdpau_hwaccel_deps="vdpau"
2244 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2245 mpeg1_xvmc_hwaccel_deps="xvmc"
2246 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2247 mpeg2_crystalhd_decoder_select="crystalhd"
2248 mpeg2_dxva2_hwaccel_deps="dxva2"
2249 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2250 mpeg2_vaapi_hwaccel_deps="vaapi"
2251 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2252 mpeg2_vdpau_hwaccel_deps="vdpau"
2253 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2254 mpeg2_xvmc_hwaccel_deps="xvmc"
2255 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2256 mpeg4_crystalhd_decoder_select="crystalhd"
2257 mpeg4_vaapi_hwaccel_deps="vaapi"
2258 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2259 mpeg4_vdpau_decoder_deps="vdpau"
2260 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2261 mpeg4_vdpau_hwaccel_deps="vdpau"
2262 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2263 msmpeg4_crystalhd_decoder_select="crystalhd"
2264 vc1_crystalhd_decoder_select="crystalhd"
2265 vc1_dxva2_hwaccel_deps="dxva2"
2266 vc1_dxva2_hwaccel_select="vc1_decoder"
2267 vc1_vaapi_hwaccel_deps="vaapi"
2268 vc1_vaapi_hwaccel_select="vc1_decoder"
2269 vc1_vdpau_decoder_deps="vdpau"
2270 vc1_vdpau_decoder_select="vc1_decoder"
2271 vc1_vdpau_hwaccel_deps="vdpau"
2272 vc1_vdpau_hwaccel_select="vc1_decoder"
2273 wmv3_crystalhd_decoder_select="crystalhd"
2274 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2275 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2276 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2277 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2280 h264_parser_select="h264_decoder"
2281 hevc_parser_select="hevc_decoder"
2282 mpegvideo_parser_select="mpegvideo"
2283 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2284 vc1_parser_select="mpegvideo vc1_decoder"
2286 # external libraries
2287 libaacplus_encoder_deps="libaacplus"
2288 libcelt_decoder_deps="libcelt"
2289 libfaac_encoder_deps="libfaac"
2290 libfaac_encoder_select="audio_frame_queue"
2291 libfdk_aac_decoder_deps="libfdk_aac"
2292 libfdk_aac_encoder_deps="libfdk_aac"
2293 libfdk_aac_encoder_select="audio_frame_queue"
2294 libgme_demuxer_deps="libgme"
2295 libgsm_decoder_deps="libgsm"
2296 libgsm_encoder_deps="libgsm"
2297 libgsm_ms_decoder_deps="libgsm"
2298 libgsm_ms_encoder_deps="libgsm"
2299 libilbc_decoder_deps="libilbc"
2300 libilbc_encoder_deps="libilbc"
2301 libmodplug_demuxer_deps="libmodplug"
2302 libmp3lame_encoder_deps="libmp3lame"
2303 libmp3lame_encoder_select="audio_frame_queue"
2304 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2305 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2306 libopencore_amrnb_encoder_select="audio_frame_queue"
2307 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2308 libopenjpeg_decoder_deps="libopenjpeg"
2309 libopenjpeg_encoder_deps="libopenjpeg"
2310 libopus_decoder_deps="libopus"
2311 libopus_encoder_deps="libopus"
2312 libopus_encoder_select="audio_frame_queue"
2313 libquvi_demuxer_deps="libquvi"
2314 libschroedinger_decoder_deps="libschroedinger"
2315 libschroedinger_encoder_deps="libschroedinger"
2316 libshine_encoder_deps="libshine"
2317 libshine_encoder_select="audio_frame_queue"
2318 libspeex_decoder_deps="libspeex"
2319 libspeex_encoder_deps="libspeex"
2320 libspeex_encoder_select="audio_frame_queue"
2321 libstagefright_h264_decoder_deps="libstagefright_h264"
2322 libtheora_encoder_deps="libtheora"
2323 libtwolame_encoder_deps="libtwolame"
2324 libvo_aacenc_encoder_deps="libvo_aacenc"
2325 libvo_aacenc_encoder_select="audio_frame_queue"
2326 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2327 libvorbis_decoder_deps="libvorbis"
2328 libvorbis_encoder_deps="libvorbis"
2329 libvorbis_encoder_select="audio_frame_queue"
2330 libvpx_vp8_decoder_deps="libvpx"
2331 libvpx_vp8_encoder_deps="libvpx"
2332 libvpx_vp9_decoder_deps="libvpx"
2333 libvpx_vp9_encoder_deps="libvpx"
2334 libwavpack_encoder_deps="libwavpack"
2335 libwebp_encoder_deps="libwebp"
2336 libx264_encoder_deps="libx264"
2337 libx264rgb_encoder_deps="libx264"
2338 libx265_encoder_deps="libx265"
2339 libxavs_encoder_deps="libxavs"
2340 libxvid_encoder_deps="libxvid"
2341 libutvideo_decoder_deps="libutvideo"
2342 libutvideo_encoder_deps="libutvideo"
2343 libzvbi_teletext_decoder_deps="libzvbi"
2346 ac3_demuxer_select="ac3_parser"
2347 asf_demuxer_select="riffdec"
2348 asf_muxer_select="riffenc"
2349 asf_stream_muxer_select="asf_muxer"
2350 avi_demuxer_select="riffdec exif"
2351 avi_muxer_select="riffenc"
2352 avisynth_demuxer_deps="avisynth"
2353 avisynth_demuxer_select="riffdec"
2354 caf_demuxer_select="riffdec"
2355 dirac_demuxer_select="dirac_parser"
2356 dts_demuxer_select="dca_parser"
2357 dtshd_demuxer_select="dca_parser"
2358 dxa_demuxer_select="riffdec"
2359 eac3_demuxer_select="ac3_parser"
2360 f4v_muxer_select="mov_muxer"
2361 flac_demuxer_select="flac_parser"
2362 hds_muxer_select="flv_muxer"
2363 hls_muxer_select="mpegts_muxer"
2364 image2_alias_pix_demuxer_select="image2_demuxer"
2365 image2_brender_pix_demuxer_select="image2_demuxer"
2366 ipod_muxer_select="mov_muxer"
2367 ismv_muxer_select="mov_muxer"
2368 libnut_demuxer_deps="libnut"
2369 libnut_muxer_deps="libnut"
2370 matroska_audio_muxer_select="matroska_muxer"
2371 matroska_demuxer_select="riffdec"
2372 matroska_demuxer_suggest="bzlib lzo zlib"
2373 matroska_muxer_select="riffenc"
2374 mmf_muxer_select="riffenc"
2375 mov_demuxer_select="riffdec"
2376 mov_demuxer_suggest="zlib"
2377 mov_muxer_select="riffenc rtpenc_chain"
2378 mp3_demuxer_select="mpegaudio_parser"
2379 mp4_muxer_select="mov_muxer"
2380 mpegts_muxer_select="adts_muxer latm_muxer"
2381 mpegtsraw_demuxer_select="mpegts_demuxer"
2382 mxf_d10_muxer_select="mxf_muxer"
2383 nut_muxer_select="riffenc"
2384 nuv_demuxer_select="riffdec"
2385 ogg_demuxer_select="golomb"
2386 psp_muxer_select="mov_muxer"
2387 rtp_demuxer_select="sdp_demuxer"
2388 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2389 rtsp_demuxer_select="http_protocol rtpdec"
2390 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2391 sap_demuxer_select="sdp_demuxer"
2392 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2393 sdp_demuxer_select="rtpdec"
2394 smoothstreaming_muxer_select="ismv_muxer"
2395 spdif_muxer_select="aac_parser"
2396 tak_demuxer_select="tak_parser"
2397 tg2_muxer_select="mov_muxer"
2398 tgp_muxer_select="mov_muxer"
2399 vobsub_demuxer_select="mpegps_demuxer"
2400 w64_demuxer_select="wav_demuxer"
2401 w64_muxer_select="wav_muxer"
2402 wav_demuxer_select="riffdec"
2403 wav_muxer_select="riffenc"
2404 webm_muxer_select="riffenc"
2405 wtv_demuxer_select="riffdec"
2406 wtv_muxer_select="riffenc"
2407 xmv_demuxer_select="riffdec"
2408 xwma_demuxer_select="riffdec"
2411 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2412 alsa_outdev_deps="alsa_asoundlib_h"
2413 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2414 avfoundation_indev_select="avfoundation"
2415 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2416 caca_outdev_deps="libcaca"
2417 decklink_outdev_deps="decklink pthreads"
2418 decklink_outdev_extralibs="-lstdc++"
2419 dshow_indev_deps="IBaseFilter"
2420 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2421 dv1394_indev_deps="dv1394"
2422 dv1394_indev_select="dv_demuxer"
2423 fbdev_indev_deps="linux_fb_h"
2424 fbdev_outdev_deps="linux_fb_h"
2425 gdigrab_indev_deps="CreateDIBSection"
2426 gdigrab_indev_extralibs="-lgdi32"
2427 gdigrab_indev_select="bmp_decoder"
2428 iec61883_indev_deps="libiec61883"
2429 jack_indev_deps="jack_jack_h sem_timedwait"
2430 lavfi_indev_deps="avfilter"
2431 libcdio_indev_deps="libcdio"
2432 libdc1394_indev_deps="libdc1394"
2433 libv4l2_indev_deps="libv4l2"
2434 openal_indev_deps="openal"
2435 opengl_outdev_deps="opengl"
2436 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2437 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2438 pulse_indev_deps="libpulse"
2439 pulse_outdev_deps="libpulse"
2440 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2441 qtkit_indev_select="qtkit"
2442 sdl_outdev_deps="sdl"
2443 sndio_indev_deps="sndio_h"
2444 sndio_outdev_deps="sndio_h"
2445 v4l_indev_deps="linux_videodev_h"
2446 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2447 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2448 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2449 vfwcap_indev_extralibs="-lavicap32"
2450 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2451 xv_outdev_extralibs="-lXv -lX11 -lXext"
2452 x11grab_indev_deps="x11grab"
2455 bluray_protocol_deps="libbluray"
2456 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2457 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2458 ffrtmpcrypt_protocol_select="tcp_protocol"
2459 ffrtmphttp_protocol_deps="!librtmp_protocol"
2460 ffrtmphttp_protocol_select="http_protocol"
2461 ftp_protocol_select="tcp_protocol"
2462 gopher_protocol_select="network"
2463 http_protocol_select="tcp_protocol"
2464 httpproxy_protocol_select="tcp_protocol"
2465 https_protocol_select="tls_protocol"
2466 librtmp_protocol_deps="librtmp"
2467 librtmpe_protocol_deps="librtmp"
2468 librtmps_protocol_deps="librtmp"
2469 librtmpt_protocol_deps="librtmp"
2470 librtmpte_protocol_deps="librtmp"
2471 libssh_protocol_deps="libssh"
2472 mmsh_protocol_select="http_protocol"
2473 mmst_protocol_select="network"
2474 rtmp_protocol_deps="!librtmp_protocol"
2475 rtmp_protocol_select="tcp_protocol"
2476 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2477 rtmps_protocol_deps="!librtmp_protocol"
2478 rtmps_protocol_select="tls_protocol"
2479 rtmpt_protocol_select="ffrtmphttp_protocol"
2480 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2481 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2482 rtp_protocol_select="udp_protocol"
2483 sctp_protocol_deps="struct_sctp_event_subscribe"
2484 sctp_protocol_select="network"
2485 srtp_protocol_select="rtp_protocol"
2486 tcp_protocol_select="network"
2487 tls_protocol_deps_any="openssl gnutls"
2488 tls_protocol_select="tcp_protocol"
2489 udp_protocol_select="network"
2490 unix_protocol_deps="sys_un_h"
2491 unix_protocol_select="network"
2494 aconvert_filter_deps="swresample"
2495 amovie_filter_deps="avcodec avformat"
2496 aresample_filter_deps="swresample"
2497 ass_filter_deps="libass"
2498 asyncts_filter_deps="avresample"
2499 atempo_filter_deps="avcodec"
2500 atempo_filter_select="rdft"
2501 azmq_filter_deps="libzmq"
2502 blackframe_filter_deps="gpl"
2503 boxblur_filter_deps="gpl"
2504 bs2b_filter_deps="libbs2b"
2505 colormatrix_filter_deps="gpl"
2506 cropdetect_filter_deps="gpl"
2507 dctdnoiz_filter_deps="avcodec"
2508 dctdnoiz_filter_select="dct"
2509 delogo_filter_deps="gpl"
2510 deshake_filter_deps="avcodec"
2511 deshake_filter_select="dsputil"
2512 drawtext_filter_deps="libfreetype"
2513 ebur128_filter_deps="gpl"
2514 flite_filter_deps="libflite"
2515 frei0r_filter_deps="frei0r dlopen"
2516 frei0r_filter_extralibs='$ldl'
2517 frei0r_src_filter_deps="frei0r dlopen"
2518 frei0r_src_filter_extralibs='$ldl'
2519 geq_filter_deps="gpl"
2520 histeq_filter_deps="gpl"
2521 hqdn3d_filter_deps="gpl"
2522 interlace_filter_deps="gpl"
2523 kerndeint_filter_deps="gpl"
2524 ladspa_filter_deps="ladspa dlopen"
2525 ladspa_filter_extralibs='$ldl'
2526 mcdeint_filter_deps="avcodec gpl"
2527 movie_filter_deps="avcodec avformat"
2528 mp_filter_deps="gpl avcodec swscale inline_asm"
2529 mpdecimate_filter_deps="gpl avcodec"
2530 mptestsrc_filter_deps="gpl"
2531 negate_filter_deps="lut_filter"
2532 perspective_filter_deps="gpl"
2533 ocv_filter_deps="libopencv"
2534 owdenoise_filter_deps="gpl"
2535 pan_filter_deps="swresample"
2536 phase_filter_deps="gpl"
2537 pp_filter_deps="gpl postproc"
2538 pullup_filter_deps="gpl"
2539 removelogo_filter_deps="avcodec avformat swscale"
2540 resample_filter_deps="avresample"
2541 sab_filter_deps="gpl swscale"
2542 scale_filter_deps="swscale"
2543 smartblur_filter_deps="gpl swscale"
2544 showspectrum_filter_deps="avcodec"
2545 showspectrum_filter_select="rdft"
2546 spp_filter_deps="gpl avcodec"
2547 spp_filter_select="dsputil fft idctdsp"
2548 stereo3d_filter_deps="gpl"
2549 subtitles_filter_deps="avformat avcodec libass"
2550 super2xsai_filter_deps="gpl"
2551 tinterlace_filter_deps="gpl"
2552 vidstabdetect_filter_deps="libvidstab"
2553 vidstabtransform_filter_deps="libvidstab"
2554 pixfmts_super2xsai_test_deps="super2xsai_filter"
2555 tinterlace_merge_test_deps="tinterlace_filter"
2556 tinterlace_pad_test_deps="tinterlace_filter"
2557 zmq_filter_deps="libzmq"
2558 zoompan_filter_deps="swscale"
2561 avio_reading="avformat avcodec avutil"
2562 avcodec_example_deps="avcodec avutil"
2563 demuxing_decoding_example_deps="avcodec avformat avutil"
2564 filter_audio_example_deps="avfilter avutil"
2565 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2566 filtering_video_example_deps="avfilter avcodec avformat avutil"
2567 metadata_example_deps="avformat avutil"
2568 muxing_example_deps="avcodec avformat avutil swscale"
2569 remuxing_example_deps="avcodec avformat avutil"
2570 resampling_audio_example_deps="avutil swresample"
2571 scaling_video_example_deps="avutil swscale"
2572 transcode_aac_example_deps="avcodec avformat swresample"
2573 transcoding_example_deps="avfilter avcodec avformat avutil"
2575 # libraries, in linking order
2576 avcodec_deps="avutil"
2577 avdevice_deps="avformat avcodec avutil"
2578 avfilter_deps="avutil"
2579 avformat_deps="avcodec avutil"
2580 avresample_deps="avutil"
2581 postproc_deps="avutil gpl"
2582 swresample_deps="avutil"
2583 swscale_deps="avutil"
2586 ffmpeg_deps="avcodec avfilter avformat swresample"
2587 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2589 setpts_filter trim_filter"
2590 ffplay_deps="avcodec avformat swscale swresample sdl"
2591 ffplay_libs='$sdl_libs'
2592 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2593 ffprobe_deps="avcodec avformat"
2594 ffserver_deps="avformat fork sarestart"
2595 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2598 podpages_deps="perl"
2599 manpages_deps="perl pod2man"
2600 htmlpages_deps="perl texi2html"
2601 txtpages_deps="perl makeinfo"
2602 doc_deps_any="manpages htmlpages podpages txtpages"
2604 # default parameters
2606 logfile="config.log"
2608 # installation paths
2609 prefix_default="/usr/local"
2610 bindir_default='${prefix}/bin'
2611 datadir_default='${prefix}/share/ffmpeg'
2612 docdir_default='${prefix}/share/doc/ffmpeg'
2613 incdir_default='${prefix}/include'
2614 libdir_default='${prefix}/lib'
2615 mandir_default='${prefix}/share/man'
2616 shlibdir_default="$libdir_default"
2622 host_cc_default="gcc"
2624 doxygen_default="doxygen"
2629 pkg_config_default=pkg-config
2630 ranlib_default="ranlib"
2631 strip_default="strip"
2632 yasmexe_default="yasm"
2633 windres_default="windres"
2638 target_os_default=$(tolower $(uname -s))
2639 host_os=$target_os_default
2642 if test "$target_os_default" = aix; then
2643 arch_default=$(uname -p)
2644 strip_default="strip -X32_64"
2646 arch_default=$(uname -m)
2650 # configurable options
2651 enable $PROGRAM_LIST
2652 enable $DOCUMENT_LIST
2653 enable $EXAMPLE_LIST
2654 enable $(filter_out avresample $LIBRARY_LIST)
2660 enable optimizations
2661 enable runtime_cpudetect
2662 enable safe_bitstream_reader
2664 enable swscale_alpha
2666 sws_max_filter_size_default=256
2667 set_default sws_max_filter_size
2669 # Enable hwaccels by default.
2670 enable dxva2 vaapi vda vdpau xvmc
2674 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2677 FULLNAME='$(NAME)$(BUILDSUF)'
2678 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2681 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2682 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2683 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2684 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2685 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2686 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2708 host_cflags_filter=echo
2709 host_ldflags_filter=echo
2711 target_path='$(CURDIR)'
2713 # since the object filename is not given with the -MM flag, the compiler
2714 # is only able to print the basename, and we must add the path ourselves
2715 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2719 if test -f configure; then
2722 source_path=$(cd $(dirname "$0"); pwd)
2723 echo "$source_path" | grep -q '[[:blank:]]' &&
2724 die "Out of tree builds are impossible with whitespace in source path."
2725 test -e "$source_path/config.h" &&
2726 die "Out of tree builds are impossible with config.h in source dir."
2733 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2739 file=$source_path/$3
2740 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2743 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2744 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2745 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2746 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2747 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2748 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2749 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2750 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2751 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2752 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2753 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2769 for n in $COMPONENT_LIST; do
2770 v=$(toupper ${n%s})_LIST
2772 eval ${n}_if_any="\$$v"
2775 enable $ARCH_EXT_LIST
2778 echo "Unknown option \"$1\"."
2779 echo "See $0 --help for available options."
2784 cat | tr ' ' '\n' | sort | pr -r -3 -t
2790 echo $* | sed s/$suffix//g | print_3_columns
2802 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2803 echo "prob ${prob:-0.5}"
2811 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2812 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2822 add_extralibs $optval
2825 disable $INDEV_LIST $OUTDEV_LIST
2828 debuglevel="$optval"
2831 disable $PROGRAM_LIST
2833 --disable-everything)
2834 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2837 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2838 disable $LIBRARY_LIST $PROGRAM_LIST doc
2840 --enable-random|--disable-random)
2841 action=${opt%%-random}
2842 do_random ${action#--} $COMPONENT_LIST
2844 --enable-random=*|--disable-random=*)
2845 action=${opt%%-random=*}
2846 do_random ${action#--} $optval
2848 --enable-*=*|--disable-*=*)
2849 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2850 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2851 eval list=\$$(toupper $thing)_LIST
2852 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2853 list=$(filter "$name" $list)
2854 [ "$list" = "" ] && warn "Option $opt did not match anything"
2857 --enable-?*|--disable-?*)
2858 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2859 if is_in $option $COMPONENT_LIST; then
2860 test $action = disable && action=unset
2861 eval $action \$$(toupper ${option%s})_LIST
2862 elif is_in $option $CMDLINE_SELECT; then
2869 NAME="${opt#--list-}"
2870 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2872 eval show_list $NAME \$$(toupper $NAME)_LIST
2874 --help|-h) show_help
2876 --fatal-warnings) enable fatal_warnings
2879 optname="${opt%%=*}"
2880 optname="${optname#--}"
2881 optname=$(echo "$optname" | sed 's/-/_/g')
2882 if is_in $optname $CMDLINE_SET; then
2883 eval $optname='$optval'
2884 elif is_in $optname $CMDLINE_APPEND; then
2885 append $optname "$optval"
2893 disabled logging && logfile=/dev/null
2895 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2898 test -n "$cross_prefix" && enable cross_compile
2900 if enabled cross_compile; then
2901 test -n "$arch" && test -n "$target_os" ||
2902 die "Must specify target arch and OS when cross-compiling"
2905 ar_default="${cross_prefix}${ar_default}"
2906 cc_default="${cross_prefix}${cc_default}"
2907 cxx_default="${cross_prefix}${cxx_default}"
2908 nm_default="${cross_prefix}${nm_default}"
2909 pkg_config_default="${cross_prefix}${pkg_config_default}"
2910 ranlib_default="${cross_prefix}${ranlib_default}"
2911 strip_default="${cross_prefix}${strip_default}"
2912 windres_default="${cross_prefix}${windres_default}"
2914 sysinclude_default="${sysroot}/usr/include"
2916 test -n "$valgrind" && toolchain="valgrind-memcheck"
2918 case "$toolchain" in
2921 add_cflags -fsanitize=address
2922 add_ldflags -fsanitize=address
2926 add_cflags -fsanitize=thread -pie
2927 add_ldflags -fsanitize=thread -pie
2931 add_cflags -fsanitize=undefined
2932 add_ldflags -fsanitize=undefined
2936 add_cflags -fsanitize=address
2937 add_ldflags -fsanitize=address
2941 add_cflags -fsanitize=thread -pie -fPIC
2942 add_ldflags -fsanitize=thread -pie -fPIC
2946 add_cflags -fsanitize=undefined
2947 add_ldflags -fsanitize=undefined
2950 target_exec_default=${valgrind:-"valgrind"}
2951 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"
2954 target_exec_default=${valgrind:-"valgrind"}
2955 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2958 # Check whether the current MSVC version needs the C99 converter.
2959 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2960 # support enough of C99 to build ffmpeg. Default to the new
2961 # behaviour if the regexp was unable to match anything, since this
2962 # successfully parses the version number of existing supported
2963 # versions that require the converter (MSVC 2010 and 2012).
2964 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2965 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2968 cc_default="c99wrap cl"
2971 nm_default="dumpbin -symbols"
2973 target_os_default="win32"
2974 # Use a relative path for TMPDIR. This makes sure all the
2975 # ffconf temp files are written with a relative path, avoiding
2976 # issues with msys/win32 path conversion for MSVC parameters
2977 # such as -Fo<file> or -out:<file>.
2983 nm_default="dumpbin -symbols"
2985 target_os_default="win32"
2989 add_cflags -fprofile-arcs -ftest-coverage
2990 add_ldflags -fprofile-arcs -ftest-coverage
2993 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2994 add_ldflags -Wl,-z,relro -Wl,-z,now
2997 die "Unknown toolchain $toolchain"
3001 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3002 target_exec target_os yasmexe
3003 enabled cross_compile || host_cc_default=$cc
3006 if ! $pkg_config --version >/dev/null 2>&1; then
3007 warn "$pkg_config not found, library detection may fail."
3011 if test $doxygen != $doxygen_default && \
3012 ! $doxygen --version >/dev/null 2>&1; then
3013 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3018 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3022 EXESUF=$(exesuf $target_os)
3023 HOSTEXESUF=$(exesuf $host_os)
3025 # set temporary file name
3026 : ${TMPDIR:=$TEMPDIR}
3030 if [ -n "$tempprefix" ] ; then
3032 echo $tempprefix.${HOSTNAME}.${UID}
3034 elif ! check_cmd mktemp -u XXXXXX; then
3035 # simple replacement for missing mktemp
3036 # NOT SAFE FOR GENERAL USE
3038 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3043 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3044 (set -C; exec > $tmp) 2>/dev/null ||
3045 die "Unable to create temporary file in $TMPDIR."
3046 append TMPFILES $tmp
3050 trap 'rm -f -- $TMPFILES' EXIT
3055 tmpfile TMPE $EXESUF
3067 # make sure we can execute files in $TMPDIR
3068 cat > $TMPSH 2>> $logfile <<EOF
3071 chmod +x $TMPSH >> $logfile 2>&1
3072 if ! $TMPSH >> $logfile 2>&1; then
3074 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3075 variable to another directory and make sure that it is not mounted noexec.
3077 die "Sanity test failed."
3083 -std=c99) echo -c99 ;;
3084 -mcpu=*) echo -arch ${flag#*=} ;;
3085 -mieee) echo -ieee ;;
3086 -O*|-fast) echo $flag ;;
3087 -fno-math-errno) echo -assume nomath_errno ;;
3089 -Wall) echo -msg_enable level2 ;;
3090 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3091 -Wl,*) echo $flag ;;
3101 -Wno-switch) echo -Wno-switch-enum ;;
3102 -Wno-format-zero-length) ;;
3103 -Wdisabled-optimization) ;;
3104 -Wno-pointer-sign) echo -Wno-other ;;
3110 msvc_common_flags(){
3113 # In addition to specifying certain flags under the compiler
3114 # specific filters, they must be specified here as well or else the
3115 # generic catch all at the bottom will print the original flag.
3119 -fomit-frame-pointer) ;;
3123 -fno-signed-zeros) ;;
3127 -lz) echo zlib.lib ;;
3128 -lavifil32) echo vfw32.lib ;;
3129 -lavicap32) echo vfw32.lib user32.lib ;;
3130 -l*) echo ${flag#-l}.lib ;;
3137 msvc_common_flags "$@"
3140 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3141 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3142 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3150 msvc_common_flags "$@"
3153 # Despite what Intel's documentation says -Wall, which is supported
3154 # on Windows, does enable remarks so disable them here.
3155 -Wall) echo $flag -Qdiag-disable:remark ;;
3156 -std=c99) echo -Qstd=c99 ;;
3174 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3175 -fomit-frame-pointer) echo -Mnoframe ;;
3186 case "${flag#*=}" in
3187 native) echo -xtarget=native ;;
3188 v9|niagara) echo -xarch=sparc ;;
3189 ultrasparc) echo -xarch=sparcvis ;;
3190 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3191 i586|pentium) echo -xchip=pentium ;;
3192 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3193 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3194 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3195 pentium4*) echo -xtarget=pentium4 ;;
3196 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3197 *-sse3) echo -xarch=sse3 ;;
3198 core2) echo -xarch=ssse3 -xchip=core2 ;;
3199 bonnell) echo -xarch=ssse3 ;;
3200 corei7|nehalem) echo -xtarget=nehalem ;;
3201 westmere) echo -xtarget=westmere ;;
3202 silvermont) echo -xarch=sse4_2 ;;
3203 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3204 core-avx*|ivybridge|haswell|broadwell)
3206 amdfam10|barcelona) echo -xtarget=barcelona ;;
3207 btver1) echo -xarch=amdsse4a ;;
3208 btver2|bdver*) echo -xarch=avx ;;
3209 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3210 k8|opteron|athlon64|athlon-fx)
3211 echo -xarch=sse2a ;;
3212 athlon*) echo -xarch=pentium_proa ;;
3215 -std=c99) echo -xc99 ;;
3216 -fomit-frame-pointer) echo -xregs=frameptr ;;
3217 -fPIC) echo -KPIC -xcode=pic32 ;;
3218 -W*,*) echo $flag ;;
3219 -f*-*|-W*|-mimpure-text) ;;
3230 case "${flag#*=}" in
3231 armv7-a|cortex-a*) echo -mv=7a8 ;;
3232 armv7-r|cortex-r*) echo -mv=7r4 ;;
3233 armv7-m|cortex-m*) echo -mv=7m3 ;;
3234 armv6*|arm11*) echo -mv=6 ;;
3235 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3237 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3240 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3241 -mfpu=vfp) echo --float_support=vfpv2 ;;
3242 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3243 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3244 -msoft-float) echo --float_support=vfplib ;;
3245 -O[0-3]|-mf=*) echo $flag ;;
3247 -pds=*) echo $flag ;;
3248 -D*|-I*) echo $flag ;;
3249 --gcc|--abi=*) echo $flag ;;
3259 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3260 unset _ld_o _ldflags _ld_lib _ld_path
3261 unset _depflags _DEPCMD _DEPFLAGS
3264 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3265 true # no-op to avoid reading stdin in following checks
3266 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3268 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3269 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3270 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3273 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3275 gcc_version=$($_cc --version | head -n1)
3276 gcc_basever=$($_cc -dumpversion)
3277 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3278 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3279 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3280 if ! $_cc -dumpversion | grep -q '^2\.'; then
3281 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3285 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3287 _ident=$($_cc --version | head -n1)
3292 _flags_filter=icc_flags
3293 elif $_cc -v 2>&1 | grep -q xlc; then
3295 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3297 _cflags_size='-O5 -qcompact'
3298 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3300 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3302 _cflags_speed='-fast'
3304 _flags_filter=ccc_flags
3305 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3306 test -d "$sysroot" || die "No valid sysroot specified."
3308 _ident=$($_cc --vsn | head -n1 | sed 's/.*: //')
3309 armcc_conf="$PWD/armcc.conf"
3310 $_cc --arm_linux_configure \
3311 --arm_linux_config_file="$armcc_conf" \
3312 --configure_sysroot="$sysroot" \
3313 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3314 die "Error creating armcc configuration file."
3315 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3316 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3317 as_default="${cross_prefix}gcc"
3321 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3323 _ident=$($_cc -version | head -n1 | tr -s ' ')
3324 _flags='--gcc --abi=eabi -me'
3327 _depflags='-ppa -ppd=$(@:.o=.d)'
3328 _cflags_speed='-O3 -mf=5'
3329 _cflags_size='-O3 -mf=2'
3330 _flags_filter=tms470_flags
3331 elif $_cc -v 2>&1 | grep -q clang; then
3333 _ident=$($_cc --version | head -n1)
3334 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3337 elif $_cc -V 2>&1 | grep -q Sun; then
3339 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3340 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3341 _DEPFLAGS='-xM1 -xc99'
3344 _cflags_size='-O5 -xspace'
3345 _flags_filter=suncc_flags
3346 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3348 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3349 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3352 _flags_filter='filter_out -Wdisabled-optimization'
3353 elif $_cc -v 2>&1 | grep -q Open64; then
3355 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3356 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3359 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3360 elif $_cc -V 2>&1 | grep -q Portland; then
3362 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3363 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3364 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3365 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3367 _flags_filter=pgi_flags
3368 elif $_cc 2>&1 | grep -q Microsoft; then
3370 _ident=$($cc 2>&1 | head -n1)
3371 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3372 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3375 if $_cc 2>&1 | grep -q Linker; then
3382 _flags_filter=msvc_flags
3384 _ld_path='-libpath:'
3386 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3387 if [ $pfx = hostcc ]; then
3388 append _cflags -Dsnprintf=_snprintf
3391 elif $_cc 2>&1 | grep -q Intel; then
3393 _ident=$($cc 2>&1 | head -n1)
3394 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3395 # Not only is O3 broken on 13.x+ but it is slower on all previous
3396 # versions (tested) as well.
3398 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3399 if $_cc 2>&1 | grep -q Linker; then
3406 _flags_filter=icl_flags
3408 _ld_path='-libpath:'
3409 # -Qdiag-error to make icl error when seeing certain unknown arguments
3410 _flags='-nologo -Qdiag-error:4044,10157'
3411 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3412 # with MSVC which enables it by default.
3413 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3414 if [ $pfx = hostcc ]; then
3415 append _cflags -Dsnprintf=_snprintf
3417 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3419 _ident=$($_cc --version | head -n1)
3423 _flags_filter=cparser_flags
3426 eval ${pfx}_type=\$_type
3427 eval ${pfx}_ident=\$_ident
3431 eval ${1}_C=\${_cc_c-\${${1}_C}}
3432 eval ${1}_E=\${_cc_e-\${${1}_E}}
3433 eval ${1}_O=\${_cc_o-\${${1}_O}}
3435 if [ -n "$_depflags" ]; then
3436 eval ${1}_DEPFLAGS=\$_depflags
3438 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3439 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3440 eval DEP${1}FLAGS=\$_flags
3445 cflags_filter=$_flags_filter
3446 cflags_speed=$_cflags_speed
3447 cflags_size=$_cflags_size
3448 cflags_noopt=$_cflags_noopt
3449 add_cflags $_flags $_cflags
3450 cc_ldflags=$_ldflags
3453 probe_cc hostcc "$host_cc"
3454 host_cflags_filter=$_flags_filter
3455 add_host_cflags $_flags $_cflags
3458 test -n "$cc_type" && enable $cc_type ||
3459 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3461 : ${as_default:=$cc}
3462 : ${dep_cc_default:=$cc}
3463 : ${ld_default:=$cc}
3464 : ${host_ld_default:=$host_cc}
3465 set_default ar as dep_cc ld host_ld windres
3468 asflags_filter=$_flags_filter
3469 add_asflags $_flags $_cflags
3473 ldflags_filter=$_flags_filter
3474 add_ldflags $_flags $_ldflags
3475 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3477 LD_LIB=${_ld_lib-$LD_LIB}
3478 LD_PATH=${_ld_path-$LD_PATH}
3480 probe_cc hostld "$host_ld"
3481 host_ldflags_filter=$_flags_filter
3482 add_host_ldflags $_flags $_ldflags
3483 HOSTLD_O=${_ld_o-$HOSTLD_O}
3485 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3486 probe_cc depcc "$dep_cc"
3487 CCDEP=${_DEPCMD:-$DEPCMD}
3488 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3492 if $ar 2>&1 | grep -q Microsoft; then
3495 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3498 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3499 arflags='-Xany -r -c'
3506 add_cflags $extra_cflags
3507 add_cxxflags $extra_cxxflags
3508 add_asflags $extra_cflags
3510 if test -n "$sysroot"; then
3513 add_cppflags --sysroot="$sysroot"
3514 add_ldflags --sysroot="$sysroot"
3515 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3516 add_cppflags -isysroot "$sysroot"
3517 add_ldflags -isysroot "$sysroot"
3520 add_cppflags -I"$sysinclude"
3521 add_ldflags --sysroot="$sysroot"
3526 if test "$cpu" = host; then
3527 enabled cross_compile &&
3528 die "--cpu=host makes no sense when cross-compiling."
3533 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3535 s/.*$1=\\([^ ]*\\).*/\\1/
3540 cpu=$(check_native -march || check_native -mcpu)
3544 test "${cpu:-host}" = host &&
3545 die "--cpu=host not supported with compiler $cc"
3548 # Deal with common $arch aliases
3562 "Power Macintosh"|ppc*|powerpc*)
3577 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3582 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3585 # Add processor-specific flags
3586 if enabled aarch64; then
3590 cpuflags="-march=$cpu"
3593 cpuflags="-mcpu=$cpu"
3597 elif enabled alpha; then
3599 cpuflags="-mcpu=$cpu"
3601 elif enabled arm; then
3604 check_cpp_condition stddef.h \
3605 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3610 if check_arm_arch 4; then echo armv4;
3611 elif check_arm_arch 4T; then echo armv4t;
3612 elif check_arm_arch 5; then echo armv5;
3613 elif check_arm_arch 5E; then echo armv5e;
3614 elif check_arm_arch 5T; then echo armv5t;
3615 elif check_arm_arch 5TE; then echo armv5te;
3616 elif check_arm_arch 5TEJ; then echo armv5te;
3617 elif check_arm_arch 6; then echo armv6;
3618 elif check_arm_arch 6J; then echo armv6j;
3619 elif check_arm_arch 6K; then echo armv6k;
3620 elif check_arm_arch 6Z; then echo armv6z;
3621 elif check_arm_arch 6ZK; then echo armv6zk;
3622 elif check_arm_arch 6T2; then echo armv6t2;
3623 elif check_arm_arch 7; then echo armv7;
3624 elif check_arm_arch 7A 7_A; then echo armv7-a;
3625 elif check_arm_arch 7R 7_R; then echo armv7-r;
3626 elif check_arm_arch 7M 7_M; then echo armv7-m;
3627 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3628 elif check_arm_arch 8A 8_A; then echo armv8-a;
3632 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3636 cpuflags="-march=$cpu"
3637 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3640 cpuflags="-mcpu=$cpu"
3642 cortex-a*) subarch=armv7a ;;
3643 cortex-r*) subarch=armv7r ;;
3644 cortex-m*) enable thumb; subarch=armv7m ;;
3645 arm11*) subarch=armv6 ;;
3646 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3647 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3648 *) subarch=$(probe_arm_arch) ;;
3654 armv5t*) enable fast_clz ;;
3657 disabled fast_unaligned || enable fast_unaligned
3661 elif enabled avr32; then
3666 cpuflags="-mpart=$cpu"
3670 cpuflags="-march=$cpu"
3674 cpuflags="-mcpu=$cpu"
3678 cpuflags="-march=$cpu"
3682 elif enabled bfin; then
3684 cpuflags="-mcpu=$cpu"
3686 elif enabled mips; then
3688 cpuflags="-march=$cpu"
3704 24kef*|34kf*|1004kf*)
3712 elif enabled ppc; then
3717 case $(tolower $cpu) in
3718 601|ppc601|powerpc601)
3719 cpuflags="-mcpu=601"
3722 603*|ppc603*|powerpc603*)
3723 cpuflags="-mcpu=603"
3726 604*|ppc604*|powerpc604*)
3727 cpuflags="-mcpu=604"
3730 g3|75*|ppc75*|powerpc75*)
3731 cpuflags="-mcpu=750"
3734 g4|745*|ppc745*|powerpc745*)
3735 cpuflags="-mcpu=7450"
3737 74*|ppc74*|powerpc74*)
3738 cpuflags="-mcpu=7400"
3740 g5|970|ppc970|powerpc970)
3741 cpuflags="-mcpu=970"
3744 cpuflags="-mcpu=$cpu"
3747 cpuflags="-mcpu=cell"
3751 cpuflags="-mcpu=e500mc"
3755 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3760 cpuflags="-mcpu=8540 -mhard-float"
3766 elif enabled sparc; then
3769 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3770 cpuflags="-mcpu=$cpu"
3772 ultrasparc*|niagara[234])
3773 cpuflags="-mcpu=$cpu"
3777 elif enabled x86; then
3781 cpuflags="-march=$cpu"
3784 # targets that do NOT support nopl and conditional mov (cmov)
3785 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3786 cpuflags="-march=$cpu"
3789 # targets that do support nopl and conditional mov (cmov)
3790 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
3791 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
3792 cpuflags="-march=$cpu"
3796 # targets that do support conditional mov but on which it's slow
3797 pentium4|pentium4m|prescott|nocona)
3798 cpuflags="-march=$cpu"
3806 if [ "$cpu" != generic ]; then
3807 add_cflags $cpuflags
3808 add_asflags $cpuflags
3811 # compiler sanity check
3813 int main(void){ return 0; }
3815 if test "$?" != 0; then
3816 echo "$cc is unable to create an executable file."
3817 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3818 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3819 echo "Only do this if you know what cross compiling means."
3821 die "C compiler test failed."
3824 add_cppflags -D_ISOC99_SOURCE
3825 add_cxxflags -D__STDC_CONSTANT_MACROS
3826 check_cflags -std=c99
3827 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3830 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3834 add_host_cppflags -D_ISOC99_SOURCE
3835 check_host_cflags -std=c99
3836 check_host_cflags -Wall
3837 check_host_cflags -O3
3843 check_code cc "" "int test[2*($expr) - 1]" &&
3844 subarch=$arch64 || subarch=$arch32
3852 check_64bit mips mips64 '_MIPS_SIM > 1'
3856 check_64bit parisc parisc64 'sizeof(void *) > 4'
3860 check_64bit ppc ppc64 'sizeof(void *) > 4'
3864 check_64bit s390 s390x 'sizeof(void *) > 4'
3868 check_64bit sparc sparc64 'sizeof(void *) > 4'
3872 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3873 if test "$subarch" = "x86_64"; then
3878 check_cc <<EOF && subarch="ppc64"
3879 int test[(int)sizeof(char*) - 7];
3885 enabled spic && enable_weak pic
3891 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3892 enabled shared && add_ldflags -Wl,-brtl
3896 SLIB_INSTALL_NAME='$(SLIBNAME)'
3898 # soname not set on purpose
3902 prefix_default="/boot/common"
3903 network_extralibs="-lnetwork"
3907 SHFLAGS='-shared -Wl,-h,$$(@F)'
3908 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3909 network_extralibs="-lsocket -lnsl"
3910 # When using suncc to build, the Solaris linker will mark
3911 # an executable with each instruction set encountered by
3912 # the Solaris assembler. As our libraries contain their own
3913 # guards for processor-specific code, instead suppress
3914 # generation of the HWCAPS ELF section on Solaris x86 only.
3915 enabled_all suncc x86 &&
3916 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3917 add_ldflags -Wl,-M,mapfile
3918 nm_default='nm -P -g'
3922 oss_indev_extralibs="-lossaudio"
3923 oss_outdev_extralibs="-lossaudio"
3924 enabled gcc || check_ldflags -Wl,-zmuldefs
3929 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3931 oss_indev_extralibs="-lossaudio"
3932 oss_outdev_extralibs="-lossaudio"
3940 add_extralibs -lpoll -lgnugetopt
3944 test "${as#*gas-preprocessor.pl}" != "$as" || gas="${gas:=gas-preprocessor.pl} ${as:=$cc}"
3945 enabled ppc && add_asflags -force_cpusubtype_ALL
3946 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3947 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3949 add_ldflags -Wl,-dynamic,-search_paths_first
3951 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3952 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3954 enabled x86_64 && objformat="macho64"
3955 enabled_any pic shared ||
3956 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3959 if test $target_os = "mingw32ce"; then
3965 if enabled x86_64; then
3966 LIBTARGET="i386:x86-64"
3967 elif enabled arm; then
3970 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3971 check_ldflags -Wl,--nxcompat
3972 check_ldflags -Wl,--dynamicbase
3973 shlibdir_default="$bindir_default"
3976 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3977 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3978 dlltool="${cross_prefix}dlltool"
3979 if check_cmd lib.exe -list; then
3980 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3981 if enabled x86_64; then
3984 elif check_cmd $dlltool --version; then
3985 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3987 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3989 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3990 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3991 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3998 if enabled shared; then
3999 # Link to the import library instead of the normal static library
4002 # Cannot build both shared and static libs with MSVC or icl.
4005 shlibdir_default="$bindir_default"
4008 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4009 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4010 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4011 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4013 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4014 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4015 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4022 shlibdir_default="$bindir_default"
4025 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4026 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4027 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4029 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4030 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4033 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4035 *-dos|freedos|opendos)
4036 network_extralibs="-lsocket"
4039 add_cppflags -U__STRICT_ANSI__
4046 ranlib="echo ignoring ranlib"
4052 add_cppflags -D_GNU_SOURCE
4053 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4054 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4058 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4059 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4060 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4061 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
4062 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4063 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4064 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4065 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
4066 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4067 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4068 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4070 enable_weak os2threads
4073 add_cppflags -D_BSD_SOURCE
4078 add_cppflags -D_QNX_SOURCE
4079 network_extralibs="-lsocket"
4084 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4085 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4086 add_ldflags -Wl,--target1-abs,--no-undefined \
4087 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4088 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4089 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4090 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4091 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4094 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4099 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4100 -D_REENTRANT_SOURCE \
4101 -D_RESEARCH_SOURCE \
4104 add_compat strtod.o strtod=avpriv_strtod
4105 network_extralibs='-lbsd'
4106 exeobjs=compat/plan9/main.o
4113 die "Unknown OS '$target_os'."
4117 # determine libc flavour
4122 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4123 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4124 eval ${pfx}libc_type=uclibc
4125 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4126 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4127 eval ${pfx}libc_type=glibc
4128 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4129 # MinGW headers can be installed on Cygwin, so check for newlib first.
4130 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4131 eval ${pfx}libc_type=newlib
4132 add_${pfx}cppflags -U__STRICT_ANSI__
4133 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4134 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4135 eval ${pfx}libc_type=mingw64
4136 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4137 add_compat msvcrt/snprintf.o
4138 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4140 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4141 eval test \$${pfx_no_}cc_type = "gcc" &&
4142 add_${pfx}cppflags -D__printf__=__gnu_printf__
4143 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4144 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4145 eval ${pfx}libc_type=mingw32
4146 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4147 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4148 die "ERROR: MinGW32 runtime version must be >= 3.15."
4149 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4150 eval test \$${pfx_no_}cc_type = "gcc" &&
4151 add_${pfx}cppflags -D__printf__=__gnu_printf__
4152 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4153 eval ${pfx}libc_type=msvcrt
4154 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4155 # 0x601 by default unless something else is set by the user.
4156 # This can easily lead to us detecting functions only present
4157 # in such new versions and producing binaries requiring windows 7.0.
4158 # Therefore explicitly set the default to XP unless the user has
4159 # set something else on the command line.
4160 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4161 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4162 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4163 eval ${pfx}libc_type=klibc
4164 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4165 eval ${pfx}libc_type=bionic
4166 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4167 eval ${pfx}libc_type=solaris
4168 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4173 test -n "$libc_type" && enable libc_$libc_type
4175 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4179 add_compat strtod.o strtod=avpriv_strtod
4182 add_compat strtod.o strtod=avpriv_strtod
4183 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4184 _snprintf=avpriv_snprintf \
4185 vsnprintf=avpriv_vsnprintf
4189 # hacks for compiler/libc/os combinations
4191 if enabled_all tms470 libc_glibc; then
4192 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4193 add_cppflags -D__USER_LABEL_PREFIX__=
4194 add_cppflags -D__builtin_memset=memset
4195 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4196 add_cflags -pds=48 # incompatible redefinition of macro
4199 if enabled_all ccc libc_glibc; then
4200 add_ldflags -Wl,-z,now # calls to libots crash without this
4203 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4204 add_cppflags '-I\$(SRC_PATH)/compat/float'
4207 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4210 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4212 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4214 set_default $PATHS_LIST
4217 # we need to build at least one lib type
4218 if ! enabled_any static shared; then
4220 At least one library type must be built.
4221 Specify --enable-static to build the static libraries or --enable-shared to
4222 build the shared libraries as well. To only build the shared libraries specify
4223 --disable-static in addition to --enable-shared.
4228 die_license_disabled() {
4229 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4232 die_license_disabled_gpl() {
4233 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4236 die_license_disabled gpl frei0r
4237 die_license_disabled gpl libcdio
4238 die_license_disabled gpl libutvideo
4239 die_license_disabled gpl libvidstab
4240 die_license_disabled gpl libx264
4241 die_license_disabled gpl libx265
4242 die_license_disabled gpl libxavs
4243 die_license_disabled gpl libxvid
4244 die_license_disabled gpl libzvbi
4245 die_license_disabled gpl x11grab
4247 die_license_disabled nonfree libaacplus
4248 die_license_disabled nonfree libfaac
4249 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4250 enabled gpl && die_license_disabled_gpl nonfree openssl
4252 die_license_disabled version3 libopencore_amrnb
4253 die_license_disabled version3 libopencore_amrwb
4254 die_license_disabled version3 libvo_aacenc
4255 die_license_disabled version3 libvo_amrwbenc
4257 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4259 disabled optimizations || check_cflags -fomit-frame-pointer
4262 disabled pic && return
4265 case "$target_os" in
4275 enabled pic && enable_weak_pic
4277 check_cc <<EOF || die "Symbol mangling check failed."
4280 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4281 extern_prefix=${sym%%ff_extern*}
4283 check_cc <<EOF && enable_weak inline_asm
4284 void foo(void) { __asm__ volatile ("" ::); }
4288 for restrict_keyword in restrict __restrict__ __restrict; do
4289 check_cc <<EOF && _restrict=$restrict_keyword && break
4290 void foo(char * $restrict_keyword p);
4294 check_cc <<EOF && enable pragma_deprecated
4295 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4298 check_cc <<EOF && enable attribute_packed
4299 struct { int x; } __attribute__((packed)) x;
4302 check_cc <<EOF && enable attribute_may_alias
4303 union { int x; } __attribute__((may_alias)) x;
4306 check_cc <<EOF || die "endian test failed"
4307 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4309 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4311 if [ "$cpu" = "power7" ] || [ "$cpu" = "power8" ] ;then
4312 if ! enabled bigendian ;then
4318 if enabled asm; then
4319 enabled arm && nogas=die
4320 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4322 check_as <<EOF && enable gnu_as || \
4323 $nogas "GNU assembler not found, install gas-preprocessor"
4330 check_as <<EOF || $nogas "GNU assembler not found, install gas-preprocessor"
4334 check_as <<EOF && enable as_func
4340 check_inline_asm inline_asm_labels '"1:\n"'
4342 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4344 if enabled aarch64; then
4345 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4346 # internal assembler in clang 3.3 does not support this instruction
4347 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4348 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4350 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4352 elif enabled alpha; then
4356 elif enabled arm; then
4358 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4359 float func(float a, float b){ return a+b; }
4362 enabled thumb && check_cflags -mthumb || check_cflags -marm
4364 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4366 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4367 case "${cross_prefix:-$cc}" in
4368 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4369 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4370 __asm__ (".eabi_attribute 28, 1");
4371 int main(void) { return 0; }
4374 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4377 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4378 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4379 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4380 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4381 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4382 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4384 [ $target_os = linux ] ||
4385 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4388 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4390 check_as <<EOF && enable as_dn_directive
4395 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4397 elif enabled mips; then
4399 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4400 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4401 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4402 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4403 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4404 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4405 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4406 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4407 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4409 elif enabled parisc; then
4411 if enabled gcc; then
4412 case $($cc -dumpversion) in
4413 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4417 elif enabled ppc; then
4419 enable local_aligned_8 local_aligned_16 local_aligned_32
4421 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4422 check_inline_asm ibm_asm '"add 0, 0, 0"'
4423 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4424 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4426 # AltiVec flags: The FSF version of GCC differs from the Apple version
4427 if enabled altivec; then
4428 check_cflags -maltivec -mabi=altivec &&
4429 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4430 check_cflags -faltivec
4432 # check if our compiler supports Motorola AltiVec C API
4433 check_cc <<EOF || disable altivec
4436 vector signed int v1 = (vector signed int) { 0 };
4437 vector signed int v2 = (vector signed int) { 1 };
4438 v1 = vec_add(v1, v2);
4443 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4446 if enabled vsx; then
4449 elif enabled x86; then
4451 check_builtin rdtsc intrin.h "__rdtsc()"
4452 check_builtin mm_empty mmintrin.h "_mm_empty()"
4454 enable local_aligned_8 local_aligned_16 local_aligned_32
4456 # check whether EBP is available on x86
4457 # As 'i' is stored on the stack, this program will crash
4458 # if the base pointer is used to access it because the
4459 # base pointer is cleared in the inline assembly code.
4460 check_exec_crash <<EOF && enable ebp_available
4462 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4466 # check whether EBX is available on x86
4467 check_inline_asm ebx_available '""::"b"(0)' &&
4468 check_inline_asm ebx_available '"":::"%ebx"'
4470 # check whether xmm clobbers are supported
4471 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4473 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4474 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4476 # check whether binutils is new enough to compile SSSE3/MMXEXT
4477 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4478 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4480 if ! disabled_any asm mmx yasm; then
4481 if check_cmd $yasmexe --version; then
4482 enabled x86_64 && yasm_extra="-m amd64"
4483 yasm_debug="-g dwarf2"
4484 elif check_cmd nasm -v; then
4486 yasm_debug="-g -F dwarf"
4487 if enabled x86_64; then
4488 case "$objformat" in
4489 elf) objformat=elf64 ;;
4490 win32) objformat=win64 ;;
4495 YASMFLAGS="-f $objformat $yasm_extra"
4496 enabled pic && append YASMFLAGS "-DPIC"
4497 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4498 case "$objformat" in
4499 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4502 check_yasm "movbe ecx, [5]" && enable yasm ||
4503 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4504 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4505 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4506 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4507 check_yasm "CPU amdnop" || disable cpunop
4511 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4518 check_ldflags -Wl,--as-needed
4520 if check_func dlopen; then
4522 elif check_func dlopen -ldl; then
4526 if ! disabled network; then
4527 check_func getaddrinfo $network_extralibs
4528 check_func getservbyport $network_extralibs
4529 check_func inet_aton $network_extralibs
4531 check_type netdb.h "struct addrinfo"
4532 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4533 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4534 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4535 check_type poll.h "struct pollfd"
4536 check_type netinet/sctp.h "struct sctp_event_subscribe"
4537 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4538 check_type netinet/in.h "struct sockaddr_in6"
4539 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4540 check_type "sys/types.h sys/socket.h" socklen_t
4542 # Prefer arpa/inet.h over winsock2
4543 if check_header arpa/inet.h ; then
4544 check_func closesocket
4545 elif check_header winsock2.h ; then
4546 check_func_headers winsock2.h closesocket -lws2 &&
4547 network_extralibs="-lws2" ||
4548 { check_func_headers winsock2.h closesocket -lws2_32 &&
4549 network_extralibs="-lws2_32"; } || disable winsock2_h network
4550 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4552 check_type ws2tcpip.h socklen_t
4553 check_type ws2tcpip.h "struct addrinfo"
4554 check_type ws2tcpip.h "struct group_source_req"
4555 check_type ws2tcpip.h "struct ip_mreq_source"
4556 check_type ws2tcpip.h "struct ipv6_mreq"
4557 check_type winsock2.h "struct pollfd"
4558 check_struct winsock2.h "struct sockaddr" sa_len
4559 check_type ws2tcpip.h "struct sockaddr_in6"
4560 check_type ws2tcpip.h "struct sockaddr_storage"
4566 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4567 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4568 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4569 check_builtin sarestart signal.h "SA_RESTART"
4570 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4572 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4573 check_func ${malloc_prefix}memalign && enable memalign
4574 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4577 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4580 check_func gethrtime
4582 check_func getrusage
4583 check_func gettimeofday
4585 check_func localtime_r
4586 check_func mach_absolute_time
4590 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4591 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4592 check_func sched_getaffinity
4593 check_func setrlimit
4594 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4595 check_func strerror_r
4600 check_func_headers conio.h kbhit
4601 check_func_headers io.h setmode
4602 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4603 check_func_headers stdlib.h getenv
4605 check_func_headers windows.h CoTaskMemFree -lole32
4606 check_func_headers windows.h GetProcessAffinityMask
4607 check_func_headers windows.h GetProcessTimes
4608 check_func_headers windows.h GetSystemTimeAsFileTime
4609 check_func_headers windows.h MapViewOfFile
4610 check_func_headers windows.h PeekNamedPipe
4611 check_func_headers windows.h SetConsoleTextAttribute
4612 check_func_headers windows.h Sleep
4613 check_func_headers windows.h VirtualAlloc
4614 check_func_headers glob.h glob
4616 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4618 check_header cl/cl.h
4619 check_header direct.h
4620 check_header dlfcn.h
4622 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4624 check_header libcrystalhd/libcrystalhd_if.h
4625 check_header mach/mach_time.h
4626 check_header malloc.h
4628 check_header sys/mman.h
4629 check_header sys/param.h
4630 check_header sys/resource.h
4631 check_header sys/select.h
4632 check_header sys/time.h
4633 check_header sys/un.h
4634 check_header termios.h
4635 check_header unistd.h
4636 check_header vdpau/vdpau.h
4637 check_header vdpau/vdpau_x11.h
4638 check_header VideoDecodeAcceleration/VDADecoder.h
4639 check_header windows.h
4640 check_header X11/extensions/XvMClib.h
4641 check_header asm/types.h
4643 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4644 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4645 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4647 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4649 if ! disabled w32threads && ! enabled pthreads; then
4650 check_func_headers "windows.h process.h" _beginthreadex &&
4651 enable w32threads || disable w32threads
4654 # check for some common methods of building with pthread support
4655 # do this before the optional library checks as some of them require pthreads
4656 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4658 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4660 add_extralibs -pthread
4661 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4662 add_cflags -pthreads
4663 add_extralibs -pthreads
4664 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
4665 add_cflags -ldl -pthread
4666 add_extralibs -ldl -pthread
4667 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4668 add_extralibs -lpthreadGC2
4669 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4671 elif ! check_func pthread_join && ! check_func pthread_create; then
4674 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4678 if enabled pthreads; then
4679 check_func pthread_cancel
4682 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4683 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4685 check_lib math.h sin -lm && LIBM="-lm"
4686 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4693 for func in $MATH_FUNCS; do
4694 eval check_mathfunc $func \${${func}_args:-1}
4697 # these are off by default, so fail if requested and not available
4698 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
4699 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4700 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4701 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4702 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
4703 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4704 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4705 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4706 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4707 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4708 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4709 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
4710 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4711 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4712 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4713 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4714 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4715 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4716 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4717 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"
4718 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4719 enabled fontconfig && enable libfontconfig
4720 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4721 enabled libfreetype && require_libfreetype
4722 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4723 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4724 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4725 done || die "ERROR: libgsm not found"; }
4726 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4727 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4728 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4729 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4730 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4731 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4732 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4733 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4734 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4735 die "ERROR: libopenjpeg not found"; }
4736 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4737 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4738 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4739 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4740 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4741 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4742 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4743 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4744 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4745 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4746 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4747 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4748 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4749 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4750 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4751 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4752 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4753 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4754 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
4755 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4756 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4757 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4759 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4760 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4761 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 ||
4762 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4763 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4764 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; } }
4765 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4766 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4767 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4768 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4769 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4770 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
4771 { check_cpp_condition x265.h "X265_BUILD >= 17" ||
4772 die "ERROR: libx265 version must be >= 17."; }
4773 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4774 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4775 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4776 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4777 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4778 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4779 die "ERROR: openal not found"; } &&
4780 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4781 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4782 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4783 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4784 die "ERROR: opencl not found"; } &&
4785 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4786 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4787 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4788 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
4789 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
4790 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
4791 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
4792 die "ERROR: opengl not found."
4794 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4795 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4796 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4797 die "ERROR: openssl not found"; }
4798 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
4800 if enabled gnutls; then
4801 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4802 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4806 if enabled libdc1394; then
4807 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4808 enable libdc1394_2; } ||
4809 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4810 enable libdc1394_1; } ||
4811 die "ERROR: No version of libdc1394 found "
4814 SDL_CONFIG="${cross_prefix}sdl-config"
4815 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4816 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4817 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4820 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4821 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4822 sdl_libs=$("${SDL_CONFIG}" --libs)
4823 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4824 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4825 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4829 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4831 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4832 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4833 perl -v > /dev/null 2>&1 && enable perl || disable perl
4834 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4835 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4837 check_header linux/fb.h
4838 check_header linux/videodev.h
4839 check_header linux/videodev2.h
4840 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4842 check_header sys/videoio.h
4844 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4845 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4846 # w32api 3.12 had it defined wrong
4847 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4849 check_type "dshow.h" IBaseFilter
4851 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4852 { check_header dev/bktr/ioctl_meteor.h &&
4853 check_header dev/bktr/ioctl_bt848.h; } ||
4854 { check_header machine/ioctl_meteor.h &&
4855 check_header machine/ioctl_bt848.h; } ||
4856 { check_header dev/video/meteor/ioctl_meteor.h &&
4857 check_header dev/video/bktr/ioctl_bt848.h; } ||
4858 check_header dev/ic/bt8xx.h
4860 check_header sndio.h
4861 if check_struct sys/soundcard.h audio_buf_info bytes; then
4862 enable_safe sys/soundcard.h
4864 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4865 #include <sys/soundcard.h>
4869 check_header soundcard.h
4871 enabled_any alsa_indev alsa_outdev &&
4872 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4874 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4875 check_func jack_port_get_latency_range -ljack
4877 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4879 if enabled libcdio; then
4880 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4881 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4882 die "ERROR: libcdio-paranoia not found"
4886 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
4889 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4890 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4891 { enabled xlib || die "ERROR: Xlib not found"; }
4893 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
4895 enabled dxva2api_h &&
4896 check_cc <<EOF && enable dxva2api_cobj
4897 #define _WIN32_WINNT 0x0600
4899 #include <windows.h>
4901 #include <dxva2api.h>
4902 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
4906 check_lib va/va.h vaInitialize -lva ||
4910 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4913 enabled vdpau && enabled xlib &&
4914 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4915 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
4918 # Funny iconv installations are not unusual, so check it after all flags have been set
4919 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4921 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4923 # add some useful compiler flags if supported
4924 check_cflags -Wdeclaration-after-statement
4926 check_cflags -Wdisabled-optimization
4927 check_cflags -Wpointer-arith
4928 check_cflags -Wredundant-decls
4929 check_cflags -Wwrite-strings
4930 check_cflags -Wtype-limits
4931 check_cflags -Wundef
4932 check_cflags -Wmissing-prototypes
4933 check_cflags -Wno-pointer-to-int-cast
4934 check_cflags -Wstrict-prototypes
4935 check_cflags -Wempty-body
4936 enabled extra_warnings && check_cflags -Winline
4938 check_disable_warning(){
4939 warning_flag=-W${1#-Wno-}
4940 test_cflags $warning_flag && add_cflags $1
4943 check_disable_warning -Wno-parentheses
4944 check_disable_warning -Wno-switch
4945 check_disable_warning -Wno-format-zero-length
4946 check_disable_warning -Wno-pointer-sign
4948 # add some linker flags
4949 check_ldflags -Wl,--warn-common
4950 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4951 enabled rpath && add_ldflags -Wl,-rpath,$libdir
4952 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4954 # add some strip flags
4955 # -wN '..@*' is more selective than -x, but not available everywhere.
4956 check_stripflags -wN \'..@*\' || check_stripflags -x
4958 enabled neon_clobber_test &&
4959 check_ldflags -Wl,--wrap,avcodec_open2 \
4960 -Wl,--wrap,avcodec_decode_audio4 \
4961 -Wl,--wrap,avcodec_decode_video2 \
4962 -Wl,--wrap,avcodec_decode_subtitle2 \
4963 -Wl,--wrap,avcodec_encode_audio2 \
4964 -Wl,--wrap,avcodec_encode_video2 \
4965 -Wl,--wrap,avcodec_encode_subtitle \
4966 -Wl,--wrap,swr_convert \
4967 -Wl,--wrap,avresample_convert ||
4968 disable neon_clobber_test
4970 enabled xmm_clobber_test &&
4971 check_ldflags -Wl,--wrap,avcodec_open2 \
4972 -Wl,--wrap,avcodec_decode_audio4 \
4973 -Wl,--wrap,avcodec_decode_video2 \
4974 -Wl,--wrap,avcodec_decode_subtitle2 \
4975 -Wl,--wrap,avcodec_encode_audio2 \
4976 -Wl,--wrap,avcodec_encode_video \
4977 -Wl,--wrap,avcodec_encode_video2 \
4978 -Wl,--wrap,avcodec_encode_subtitle \
4979 -Wl,--wrap,swr_convert \
4980 -Wl,--wrap,avresample_convert \
4981 -Wl,--wrap,sws_scale ||
4982 disable xmm_clobber_test
4985 if test_ldflags -Wl,--version-script,$TMPV; then
4986 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4987 check_cc <<EOF && enable symver_asm_label
4988 void ff_foo(void) __asm__ ("av_foo@VERSION");
4989 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4991 check_cc <<EOF && enable symver_gnu_asm
4992 __asm__(".symver ff_foo,av_foo@VERSION");
4993 void ff_foo(void) {}
4997 if [ -z "$optflags" ]; then
4998 if enabled small; then
4999 optflags=$cflags_size
5000 elif enabled optimizations; then
5001 optflags=$cflags_speed
5003 optflags=$cflags_noopt
5009 enabled lto && check_ldflags "$@"
5013 if enabled lto; then
5014 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5016 check_ldflags -flto $cpuflags
5017 disable inline_asm_direct_symbol_refs
5020 check_optflags $optflags
5021 check_optflags -fno-math-errno
5022 check_optflags -fno-signed-zeros
5024 enabled ftrapv && check_cflags -ftrapv
5026 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5031 if enabled icc; then
5032 # Just warnings, no remarks
5034 # -wd: Disable following warnings
5035 # 144, 167, 556: -Wno-pointer-sign
5036 # 188: enumerated type mixed with another type
5037 # 1292: attribute "foo" ignored
5038 # 1419: external declaration in primary source file
5039 # 10006: ignoring unknown option -fno-signed-zeros
5040 # 10148: ignoring unknown option -Wno-parentheses
5041 # 10156: ignoring option '-W'; no argument required
5042 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
5043 # 11030: Warning unknown option --as-needed
5044 # 10156: ignoring option '-export'; no argument required
5045 check_ldflags -wd10156,11030
5046 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5047 enable ebp_available
5048 # The test above does not test linking
5049 enabled lto && disable symver_asm_label
5050 if enabled x86_32; then
5051 icc_version=$($cc -dumpversion)
5052 test ${icc_version%%.*} -ge 11 &&
5053 check_cflags -falign-stack=maintain-16-byte ||
5054 disable aligned_stack
5056 elif enabled ccc; then
5057 # disable some annoying warnings
5058 add_cflags -msg_disable bitnotint
5059 add_cflags -msg_disable mixfuncvoid
5060 add_cflags -msg_disable nonstandcast
5061 add_cflags -msg_disable unsupieee
5062 elif enabled gcc; then
5063 check_optflags -fno-tree-vectorize
5064 check_cflags -Werror=implicit-function-declaration
5065 check_cflags -Werror=missing-prototypes
5066 check_cflags -Werror=return-type
5067 check_cflags -Werror=vla
5068 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5069 elif enabled llvm_gcc; then
5070 check_cflags -mllvm -stack-alignment=16
5071 elif enabled clang; then
5072 check_cflags -mllvm -stack-alignment=16
5073 check_cflags -Qunused-arguments
5074 check_cflags -Werror=implicit-function-declaration
5075 check_cflags -Werror=missing-prototypes
5076 check_cflags -Werror=return-type
5077 elif enabled cparser; then
5078 add_cflags -Wno-missing-variable-declarations
5079 add_cflags -Wno-empty-statement
5080 elif enabled armcc; then
5081 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5082 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5083 # 2523: use of inline assembly is deprecated
5084 add_cflags -W${armcc_opt},--diag_suppress=2523
5085 add_cflags -W${armcc_opt},--diag_suppress=1207
5086 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5087 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5088 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5089 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5090 elif enabled tms470; then
5091 add_cflags -pds=824 -pds=837
5093 elif enabled pathscale; then
5094 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5095 elif enabled_any msvc icl; then
5096 enabled x86_32 && disable aligned_stack
5097 enabled_all x86_32 debug && add_cflags -Oy-
5098 enabled debug && add_ldflags -debug
5099 enable pragma_deprecated
5100 if enabled icl; then
5101 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5102 # (correctly) on icl 13.x.
5103 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5104 add_cflags -Qansi-alias
5105 # Some inline asm is not compilable in debug
5106 if enabled debug; then
5107 disable ebp_available
5108 disable ebx_available
5111 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 onwards actually has log2.
5112 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5117 add_asflags -Qunused-arguments
5123 check_ldflags -Qunused-arguments
5129 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5132 add_cppflags -Dmain=plan9_main
5136 enable frame_thread_encoder
5138 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5140 check_deps $CONFIG_LIST \
5145 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"
5148 if test $target_os = "haiku"; then
5150 disable posix_memalign
5153 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5154 prepend ffmpeg_libs $($ldflags_filter "-lole32") &&
5157 ! enabled_any memalign posix_memalign aligned_malloc &&
5158 enabled_any $need_memalign && enable memalign_hack
5161 # -> enable ${lib}_deps_${dep}
5162 # -> add $dep to ${lib}_deps only once
5166 enabled "${lib}_deps_${dep}" && return 0
5167 enable "${lib}_deps_${dep}"
5168 prepend "${lib}_deps" $dep
5171 # merge deps lib components
5172 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5177 enabled $comp || continue
5178 eval "dep=\"\$${comp}_deps\""
5185 merge_deps libavfilter $FILTER_LIST
5187 for thread in $THREADS_LIST; do
5188 if enabled $thread; then
5189 test -n "$thread_type" &&
5190 die "ERROR: Only one thread type must be selected." ||
5191 thread_type="$thread"
5195 # conditional library dependencies, in linking order
5196 enabled aconvert_filter && prepend avfilter_deps "swresample"
5197 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5198 enabled aresample_filter && prepend avfilter_deps "swresample"
5199 enabled asyncts_filter && prepend avfilter_deps "avresample"
5200 enabled atempo_filter && prepend avfilter_deps "avcodec"
5201 enabled decimate_filter && prepend avfilter_deps "avcodec"
5202 enabled deshake_filter && prepend avfilter_deps "avcodec"
5203 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5204 enabled elbg_filter && prepend avfilter_deps "avcodec"
5205 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5206 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5207 enabled mp_filter && prepend avfilter_deps "avcodec"
5208 enabled pan_filter && prepend avfilter_deps "swresample"
5209 enabled pp_filter && prepend avfilter_deps "postproc"
5210 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5211 enabled resample_filter && prepend avfilter_deps "avresample"
5212 enabled sab_filter && prepend avfilter_deps "swscale"
5213 enabled scale_filter && prepend avfilter_deps "swscale"
5214 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5215 enabled smartblur_filter && prepend avfilter_deps "swscale"
5216 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5218 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5220 enabled opus_decoder && prepend avcodec_deps "swresample"
5224 eval "deps=\$$lib_deps"
5225 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5229 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5230 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5232 map 'expand_deps $v' $LIBRARY_LIST
5234 echo "install prefix $prefix"
5235 echo "source path $source_path"
5236 echo "C compiler $cc"
5237 echo "C library $libc_type"
5238 if test "$host_cc" != "$cc"; then
5239 echo "host C compiler $host_cc"
5240 echo "host C library $host_libc_type"
5242 echo "ARCH $arch ($cpu)"
5243 if test "$build_suffix" != ""; then
5244 echo "build suffix $build_suffix"
5246 if test "$progs_suffix" != ""; then
5247 echo "progs suffix $progs_suffix"
5249 if test "$extra_version" != ""; then
5250 echo "version string suffix $extra_version"
5252 echo "big-endian ${bigendian-no}"
5253 echo "runtime cpu detection ${runtime_cpudetect-no}"
5254 if enabled x86; then
5255 echo "${yasmexe} ${yasm-no}"
5256 echo "MMX enabled ${mmx-no}"
5257 echo "MMXEXT enabled ${mmxext-no}"
5258 echo "3DNow! enabled ${amd3dnow-no}"
5259 echo "3DNow! extended enabled ${amd3dnowext-no}"
5260 echo "SSE enabled ${sse-no}"
5261 echo "SSSE3 enabled ${ssse3-no}"
5262 echo "AVX enabled ${avx-no}"
5263 echo "XOP enabled ${xop-no}"
5264 echo "FMA3 enabled ${fma3-no}"
5265 echo "FMA4 enabled ${fma4-no}"
5266 echo "i686 features enabled ${i686-no}"
5267 echo "CMOV is fast ${fast_cmov-no}"
5268 echo "EBX available ${ebx_available-no}"
5269 echo "EBP available ${ebp_available-no}"
5271 if enabled aarch64; then
5272 echo "NEON enabled ${neon-no}"
5273 echo "VFP enabled ${vfp-no}"
5275 if enabled arm; then
5276 echo "ARMv5TE enabled ${armv5te-no}"
5277 echo "ARMv6 enabled ${armv6-no}"
5278 echo "ARMv6T2 enabled ${armv6t2-no}"
5279 echo "VFP enabled ${vfp-no}"
5280 echo "NEON enabled ${neon-no}"
5281 echo "THUMB enabled ${thumb-no}"
5283 if enabled mips; then
5284 echo "MIPS FPU enabled ${mipsfpu-no}"
5285 echo "MIPS32R2 enabled ${mips32r2-no}"
5286 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5287 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5289 if enabled ppc; then
5290 echo "AltiVec enabled ${altivec-no}"
5291 echo "PPC 4xx optimizations ${ppc4xx-no}"
5292 echo "PPC VSX optimizations ${vsx-no}"
5293 echo "dcbzl available ${dcbzl-no}"
5295 echo "debug symbols ${debug-no}"
5296 echo "strip symbols ${stripping-no}"
5297 echo "optimize for size ${small-no}"
5298 echo "optimizations ${optimizations-no}"
5299 echo "static ${static-no}"
5300 echo "shared ${shared-no}"
5301 echo "postprocessing support ${postproc-no}"
5302 echo "new filter support ${avfilter-no}"
5303 echo "network support ${network-no}"
5304 echo "threading support ${thread_type-no}"
5305 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5306 echo "SDL support ${sdl-no}"
5307 echo "opencl enabled ${opencl-no}"
5308 echo "texi2html enabled ${texi2html-no}"
5309 echo "perl enabled ${perl-no}"
5310 echo "pod2man enabled ${pod2man-no}"
5311 echo "makeinfo enabled ${makeinfo-no}"
5312 test -n "$random_seed" &&
5313 echo "random seed ${random_seed}"
5316 echo "External libraries:"
5317 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5320 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5321 echo "Enabled ${type}s:"
5322 eval list=\$$(toupper $type)_LIST
5323 print_enabled '_*' $list | print_3_columns
5327 license="LGPL version 2.1 or later"
5328 if enabled nonfree; then
5329 license="nonfree and unredistributable"
5330 elif enabled gplv3; then
5331 license="GPL version 3 or later"
5332 elif enabled lgplv3; then
5333 license="LGPL version 3 or later"
5334 elif enabled gpl; then
5335 license="GPL version 2 or later"
5338 echo "License: $license"
5340 echo "Creating config.mak, config.h, and doc/config.texi..."
5342 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5344 enabled stripping || strip="echo skipping strip"
5346 config_files="$TMPH config.mak doc/config.texi"
5348 cat > config.mak <<EOF
5349 # Automatically generated by configure - do not modify!
5350 ifndef FFMPEG_CONFIG_MAK
5352 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5354 LIBDIR=\$(DESTDIR)$libdir
5355 SHLIBDIR=\$(DESTDIR)$shlibdir
5356 INCDIR=\$(DESTDIR)$incdir
5357 BINDIR=\$(DESTDIR)$bindir
5358 DATADIR=\$(DESTDIR)$datadir
5359 DOCDIR=\$(DESTDIR)$docdir
5360 MANDIR=\$(DESTDIR)$mandir
5361 SRC_PATH=$source_path
5362 ifndef MAIN_MAKEFILE
5363 SRC_PATH:=\$(SRC_PATH:.%=..%)
5372 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5374 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5403 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5404 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5405 YASMFLAGS=$YASMFLAGS
5406 BUILDSUF=$build_suffix
5407 PROGSSUF=$progs_suffix
5415 EXTRA_VERSION=$extra_version
5418 CCDEP_FLAGS=$CCDEP_FLAGS
5420 ASDEP_FLAGS=$ASDEP_FLAGS
5421 CC_DEPFLAGS=$CC_DEPFLAGS
5422 AS_DEPFLAGS=$AS_DEPFLAGS
5425 HOSTCFLAGS=$host_cflags
5426 HOSTCPPFLAGS=$host_cppflags
5427 HOSTEXESUF=$HOSTEXESUF
5428 HOSTLDFLAGS=$host_ldflags
5431 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5432 HOSTCCDEP=$HOSTCCDEP
5433 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5434 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5438 TARGET_EXEC=$target_exec $target_exec_args
5439 TARGET_PATH=$target_path
5440 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5441 CFLAGS-ffplay=$sdl_cflags
5442 ZLIB=$($ldflags_filter -lz)
5443 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5444 EXTRALIBS=$extralibs
5445 COMPAT_OBJS=$compat_objs
5448 LIBTARGET=${LIBTARGET}
5449 SLIBNAME=${SLIBNAME}
5450 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5451 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5452 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5453 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5454 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5455 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5456 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5457 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5458 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5459 NOREDZONE_FLAGS=$noredzone_flags
5464 name=$(toupper $lcname)
5465 file=$source_path/$lcname/version.h
5466 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5467 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5468 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5469 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5470 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5471 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5474 map 'get_version $v' $LIBRARY_LIST
5476 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
5478 print_program_libs(){
5479 eval "program_libs=\$${1}_libs"
5480 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5483 map 'print_program_libs $v' $PROGRAM_LIST
5486 /* Automatically generated by configure - do not modify! */
5487 #ifndef FFMPEG_CONFIG_H
5488 #define FFMPEG_CONFIG_H
5489 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5490 #define FFMPEG_LICENSE "$(c_escape $license)"
5491 #define CONFIG_THIS_YEAR 2014
5492 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5493 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5494 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5495 #define av_restrict $_restrict
5496 #define EXTERN_PREFIX "${extern_prefix}"
5497 #define EXTERN_ASM ${extern_prefix}
5498 #define BUILDSUF "$build_suffix"
5499 #define SLIBSUF "$SLIBSUF"
5500 #define HAVE_MMX2 HAVE_MMXEXT
5501 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
5504 test -n "$assert_level" &&
5505 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5507 test -n "$malloc_prefix" &&
5508 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5510 if enabled yasm; then
5511 append config_files $TMPASM
5515 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5519 echo "@c auto-generated by configure" > doc/config.texi
5521 print_config ARCH_ "$config_files" $ARCH_LIST
5522 print_config HAVE_ "$config_files" $HAVE_LIST
5523 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5527 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5528 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5530 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5531 cp_if_changed $TMPH config.h
5534 enabled yasm && cp_if_changed $TMPASM config.asm
5537 /* Generated by ffconf */
5538 #ifndef AVUTIL_AVCONFIG_H
5539 #define AVUTIL_AVCONFIG_H
5542 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5544 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5546 cp_if_changed $TMPH libavutil/avconfig.h
5548 if test -n "$WARNINGS"; then
5549 printf "\n$WARNINGS"
5550 enabled fatal_warnings && exit 1
5553 # build pkg-config files
5556 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
5559 pkgconfig_generate(){
5561 shortname=${name#lib}${build_suffix}
5565 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
5566 requires=${requires%, }
5567 enabled ${name#lib} || return 0
5569 cat <<EOF > $name/$name${build_suffix}.pc
5571 exec_prefix=\${prefix}
5576 Description: $comment
5578 Requires: $(enabled shared || echo $requires)
5579 Requires.private: $(enabled shared && echo $requires)
5581 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5582 Libs.private: $(enabled shared && echo $libs)
5583 Cflags: -I\${includedir}
5586 mkdir -p doc/examples/pc-uninstalled
5587 includedir=${source_path}
5588 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5589 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5592 libdir=\${pcfiledir}/../../../$name
5593 includedir=${includedir}
5596 Description: $comment
5600 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5601 Cflags: -I\${includedir}
5605 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5606 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
5607 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
5608 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
5609 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
5610 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
5611 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
5612 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
5613 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"