3 # Libav 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 LIBAV, 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 Libav."
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:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
84 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
89 --enable-rpath use rpath when linking programs [USE WITH CARE]
92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
98 Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
105 --disable-all disable building components, libraries and programs
108 --disable-programs do not build command line programs
109 --disable-avconv disable avconv build
110 --disable-avplay disable avplay build
111 --disable-avprobe disable avprobe build
112 --disable-avserver deprecated, does nothing
115 --disable-doc do not build documentation
116 --disable-avdevice disable libavdevice build
117 --disable-avcodec disable libavcodec build
118 --disable-avformat disable libavformat build
119 --disable-avutil disable libavutil build
120 --disable-swscale disable libswscale build
121 --disable-avfilter disable video filter support [no]
122 --disable-avresample disable libavresample build [no]
123 --disable-pthreads disable pthreads [auto]
124 --disable-w32threads disable Win32 threads [auto]
125 --disable-network disable network support [no]
126 --disable-dct disable DCT code
127 --disable-error-resilience disable error resilience code
128 --disable-lsp disable LSP code
129 --disable-lzo disable LZO decoder code
130 --disable-mdct disable MDCT code
131 --disable-rdft disable RDFT code
132 --disable-fft disable FFT code
133 --disable-faan disable floating point AAN (I)DCT code
135 Hardware accelerators:
136 --enable-d3d11va enable D3D11VA code
137 --enable-dxva2 enable DXVA2 code
138 --enable-vaapi enable VAAPI code
139 --enable-vda enable VDA code
140 --enable-vdpau enable VDPAU code
142 Individual component options:
143 --disable-everything disable all components listed below
144 --disable-encoder=NAME disable encoder NAME
145 --enable-encoder=NAME enable encoder NAME
146 --disable-encoders disable all encoders
147 --disable-decoder=NAME disable decoder NAME
148 --enable-decoder=NAME enable decoder NAME
149 --disable-decoders disable all decoders
150 --disable-hwaccel=NAME disable hwaccel NAME
151 --enable-hwaccel=NAME enable hwaccel NAME
152 --disable-hwaccels disable all hwaccels
153 --disable-muxer=NAME disable muxer NAME
154 --enable-muxer=NAME enable muxer NAME
155 --disable-muxers disable all muxers
156 --disable-demuxer=NAME disable demuxer NAME
157 --enable-demuxer=NAME enable demuxer NAME
158 --disable-demuxers disable all demuxers
159 --enable-parser=NAME enable parser NAME
160 --disable-parser=NAME disable parser NAME
161 --disable-parsers disable all parsers
162 --enable-bsf=NAME enable bitstream filter NAME
163 --disable-bsf=NAME disable bitstream filter NAME
164 --disable-bsfs disable all bitstream filters
165 --enable-protocol=NAME enable protocol NAME
166 --disable-protocol=NAME disable protocol NAME
167 --disable-protocols disable all protocols
168 --enable-indev=NAME enable input device NAME
169 --disable-indev=NAME disable input device NAME
170 --disable-indevs disable input devices
171 --enable-outdev=NAME enable output device NAME
172 --disable-outdev=NAME disable output device NAME
173 --disable-outdevs disable output devices
174 --disable-devices disable all devices
175 --enable-filter=NAME enable filter NAME
176 --disable-filter=NAME disable filter NAME
177 --disable-filters disable all filters
179 External library support:
180 --enable-avisynth enable reading of AviSynth script files [no]
181 --enable-bzlib enable bzlib [autodetect]
182 --enable-frei0r enable frei0r video filtering
183 --enable-gnutls enable gnutls [no]
184 --enable-libbs2b enable bs2b DSP library [no]
185 --enable-libcdio enable audio CD grabbing with libcdio
186 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
188 --enable-libdcadec enable DCA decoding via libdcadec [no]
189 --enable-libfaac enable AAC encoding via libfaac [no]
190 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
191 --enable-libfreetype enable libfreetype [no]
192 --enable-libgsm enable GSM de/encoding via libgsm [no]
193 --enable-libilbc enable iLBC de/encoding via libilbc [no]
194 --enable-libmfx enable HW acceleration through libmfx
195 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
196 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
197 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
198 --enable-libopencv enable video filtering via libopencv [no]
199 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
200 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
201 --enable-libopus enable Opus de/encoding via libopus [no]
202 --enable-libpulse enable Pulseaudio input via libpulse [no]
203 --enable-librtmp enable RTMP[E] support via librtmp [no]
204 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
205 --enable-libsnappy enable Snappy compression [no]
206 --enable-libspeex enable Speex de/encoding via libspeex [no]
207 --enable-libtheora enable Theora encoding via libtheora [no]
208 --enable-libtwolame enable MP2 encoding via libtwolame [no]
209 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
210 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
211 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
212 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
213 --enable-libwavpack enable wavpack encoding via libwavpack [no]
214 --enable-libwebp enable WebP encoding via libwebp [no]
215 --enable-libx264 enable H.264 encoding via x264 [no]
216 --enable-libx265 enable HEVC encoding via x265 [no]
217 --enable-libxavs enable AVS encoding via xavs [no]
218 --enable-libxcb enable X11 grabbing using XCB [no]
219 --enable-libxcb-shm enable X11 grabbing shm communication [auto]
220 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto]
221 --enable-libxvid enable Xvid encoding via xvidcore,
222 native MPEG-4/Xvid encoder exists [no]
223 --enable-mmal enable decoding via MMAL [no]
224 --enable-nvenc enable encoding via NVENC [no]
225 --enable-openssl enable openssl [no]
226 --enable-x11grab enable X11 grabbing (legacy) [no]
227 --enable-zlib enable zlib [autodetect]
230 --arch=ARCH select architecture [$arch]
231 --cpu=CPU select the minimum required CPU (affects
232 instruction selection, may crash on older CPUs)
233 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
234 --enable-cross-compile assume a cross-compiler is used
235 --sysroot=PATH root of cross-build tree
236 --sysinclude=PATH location of cross-build system headers
237 --target-os=OS compiler targets OS [$target_os]
238 --target-exec=CMD command to run executables on target
239 --target-path=DIR path to view of build directory on target
240 --target-samples=DIR path to samples directory on target
241 --toolchain=NAME set tool defaults according to NAME
243 --ar=AR use archive tool AR [$ar_default]
244 --as=AS use assembler AS [$as_default]
245 --cc=CC use C compiler CC [$cc_default]
246 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
247 --ld=LD use linker LD
248 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
249 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
250 --host-cc=HOSTCC use host C compiler HOSTCC
251 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
252 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
253 --host-ld=HOSTLD use host linker HOSTLD
254 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
255 --host-libs=HLIBS use libs HLIBS when linking for host
256 --host-os=OS compiler host OS [$target_os]
257 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
258 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
259 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
260 --extra-libs=ELIBS add ELIBS [$ELIBS]
261 --extra-version=STRING version string suffix []
262 --optflags=OPTFLAGS override optimization-related compiler flags
263 --build-suffix=SUFFIX library name suffix []
264 --enable-pic build position-independent code
265 --enable-thumb compile for Thumb instruction set
266 --enable-lto use link-time optimization
267 --env="ENV=override" override the environment variables
269 Advanced options (experts only):
270 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
271 --disable-symver disable symbol versioning
272 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
273 --disable-safe-bitstream-reader
274 disable buffer boundary checking in bitreaders
275 (faster, but may crash)
276 --enable-memalign-hack emulate memalign, interferes with memory debuggers
277 --enable-sram allow use of on-chip SRAM
279 Optimization options (experts only):
280 --disable-asm disable all assembly optimizations
281 --disable-altivec disable AltiVec optimizations
282 --disable-vsx disable VSX optimizations
283 --disable-power8 disable POWER8 optimizations
284 --disable-amd3dnow disable 3DNow! optimizations
285 --disable-amd3dnowext disable 3DNow! extended optimizations
286 --disable-mmx disable MMX optimizations
287 --disable-mmxext disable MMXEXT optimizations
288 --disable-sse disable SSE optimizations
289 --disable-sse2 disable SSE2 optimizations
290 --disable-sse3 disable SSE3 optimizations
291 --disable-ssse3 disable SSSE3 optimizations
292 --disable-sse4 disable SSE4 optimizations
293 --disable-sse42 disable SSE4.2 optimizations
294 --disable-avx disable AVX optimizations
295 --disable-xop disable XOP optimizations
296 --disable-fma3 disable FMA3 optimizations
297 --disable-fma4 disable FMA4 optimizations
298 --disable-avx2 disable AVX2 optimizations
299 --disable-armv5te disable armv5te optimizations
300 --disable-armv6 disable armv6 optimizations
301 --disable-armv6t2 disable armv6t2 optimizations
302 --disable-vfp disable VFP optimizations
303 --disable-neon disable NEON optimizations
304 --disable-inline-asm disable use of inline assembly
305 --disable-yasm disable use of nasm/yasm assembly
307 Developer options (useful when working on Libav itself):
308 --disable-debug disable debugging symbols
309 --enable-debug=LEVEL set the debug level [$debuglevel]
310 --disable-optimizations disable compiler optimizations
311 --enable-extra-warnings enable more compiler warnings
312 --samples=PATH location of test samples for FATE, if not set use
313 \$LIBAV_SAMPLES at make invocation time.
314 --enable-neon-clobber-test check NEON registers for clobbering (should be
315 used only for debugging purposes)
316 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
317 should be used only for debugging purposes)
318 --enable-random randomly enable/disable components
320 --enable-random=LIST randomly enable/disable specific components or
321 --disable-random=LIST component groups. LIST is a comma-separated list
322 of NAME[:PROB] entries where NAME is a component
323 (group) and PROB the probability associated with
325 --random-seed=VALUE seed value for --enable/disable-random
326 --disable-valgrind-backtrace do not print a backtrace under Valgrind
327 (only applies to --disable-optimizations builds)
329 NOTE: Object files are built at the place where configure is launched.
337 echo "$@" >> $logfile
342 pr -n -t $1 >> $logfile
353 WARNINGS="${WARNINGS}WARNING: $*\n"
360 If you think configure made a mistake, make sure you are using the latest
361 version from Git. If the latest version fails, report the problem to the
362 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
364 if disabled logging; then
366 Rerun configure with logging enabled (do not use --disable-logging), and
367 include the log this produces with your report.
371 Include the log file "$logfile" produced by configure as this will help
378 # Avoid locale weirdness, besides we really just want to translate ASCII.
380 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
384 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
388 echo "$*" | sed 's/["\\]/\\\0/g'
392 v=$(echo "$1" | sed "s/'/'\\\\''/g")
393 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
398 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
405 eval "case $v in $pat) echo $v ;; esac"
413 eval "case $v in $pat) ;; *) echo $v ;; esac"
420 for v; do eval $m; done
426 for v; do echo ${v}${suffix}; done
441 eval : \${$var:=$value}
446 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
452 eval $(sanitize_var_name "$var")='$*'
456 eval echo \$$(sanitize_var_name "$1")
461 eval level=\${${pvar}_level:=0}
462 eval ${pvar}_${level}="\$$pvar"
463 eval ${pvar}_level=$(($level+1))
469 eval level=\${${pvar}_level:-0}
470 test $level = 0 && continue
471 eval level=$(($level-1))
472 eval $pvar="\${${pvar}_${level}}"
473 eval ${pvar}_level=$level
474 eval unset ${pvar}_${level}
496 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
502 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
508 enabled $var && continue
509 eval sel="\$${var}_select"
510 eval sgs="\$${var}_suggest"
514 enable_deep_weak $sgs
526 disabled $var && continue
535 test "${1#!}" = "$1" && op== || op=!=
536 eval test "x\$${1#!}" $op "xyes"
540 test "${1#!}" = "$1" && op== || op=!=
541 eval test "x\$${1#!}" $op "xno"
546 enabled $opt || return 1
552 disabled $opt || return 1
558 enabled $opt && return 0
564 disabled $opt && return 0
571 eval : \${$opt:=\$${opt}_default}
579 [ $var = $value ] && return 0
587 enabled ${cfg}_checking && die "Circular dependency for $cfg."
588 disabled ${cfg}_checking && continue
589 enable ${cfg}_checking
592 eval dep_all="\$${cfg}_deps"
593 eval dep_any="\$${cfg}_deps_any"
594 eval dep_sel="\$${cfg}_select"
595 eval dep_sgs="\$${cfg}_suggest"
596 eval dep_ifa="\$${cfg}_if"
597 eval dep_ifn="\$${cfg}_if_any"
599 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
600 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
601 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
603 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
604 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
605 enabled_all $dep_all || disable $cfg
606 enabled_any $dep_any || disable $cfg
607 disabled_any $dep_sel && disable $cfg
609 if enabled $cfg; then
611 enable_deep_weak $dep_sgs
614 disable ${cfg}_checking
623 for cfg in $allopts; do
624 enabled $cfg || continue
625 eval dep_extralibs="\$${cfg}_extralibs"
626 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
634 map 'eval echo "$v \${$v:-no}"' "$@" |
635 awk "BEGIN { split(\"$files\", files) }
637 c = \"$pfx\" toupper(\$1);
643 if (file ~ /\\.h\$/) {
644 printf(\"#define %s %d\\n\", c, v) >>file;
645 } else if (file ~ /\\.asm\$/) {
646 printf(\"%%define %s %d\\n\", c, v) >>file;
647 } else if (file ~ /\\.mak\$/) {
648 n = -v ? \"\" : \"!\";
649 printf(\"%s%s=yes\\n\", n, c) >>file;
659 enabled $v && printf "%s\n" ${v%$suf};
666 eval "$var=\"\$$var $*\""
672 eval "$var=\"$* \$$var\""
678 for tok in $(eval echo \$$var); do
679 uniq_list="$(filter_out $tok $uniq_list) $tok"
681 eval "$var=\"${uniq_list}\""
689 append CFLAGS $($cflags_filter "$@")
693 append ASFLAGS $($asflags_filter "$@")
697 append LDFLAGS $($ldflags_filter "$@")
701 append LDEXEFLAGS $($ldflags_filter "$@")
705 append STRIPFLAGS "$@"
709 prepend extralibs $($ldflags_filter "$@")
713 append host_cppflags "$@"
717 append host_cflags $($host_cflags_filter "$@")
721 append host_ldflags $($host_ldflags_filter "$@")
725 append compat_objs $1
727 map 'add_cppflags -D$v' "$@"
732 "$@" >> $logfile 2>&1
736 eval printf '%s\\n' $CC_O
740 eval printf '%s\\n' $CC_E
747 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
754 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
758 eval printf '%s\\n' $AS_O
765 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
769 log check_inline_asm "$@"
774 check_cc "$@" <<EOF && enable $name
775 void foo(void){ __asm__ volatile($code); }
781 check_inline_asm ${1}_inline "\"$2\""
782 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
790 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
794 eval printf '%s\\n' $LD_O
799 flags=$(filter_out '-l*' "$@")
800 libs=$(filter '-l*' "$@")
801 check_cc $($cflags_filter $flags) || return
802 flags=$($ldflags_filter $flags)
803 libs=$($ldflags_filter $libs)
804 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
809 test "${hdr%.h}" = "${hdr}" &&
810 echo "#include $hdr" ||
811 echo "#include <$hdr>"
821 for hdr in $headers; do
824 echo "int main(void) { $code; return 0; }"
825 } | check_$check "$@"
829 log check_cppflags "$@"
830 check_cc "$@" <<EOF && append CPPFLAGS "$@"
837 set -- $($cflags_filter "$@")
844 log check_cflags "$@"
845 test_cflags "$@" && add_cflags "$@"
849 log test_ldflags "$@"
851 int main(void){ return 0; }
856 log check_ldflags "$@"
857 test_ldflags "$@" && add_ldflags "$@"
861 log test_stripflags "$@"
862 # call check_cc to get a fresh TMPO
864 int main(void) { return 0; }
866 check_cmd $strip $STRIPFLAGS "$@" $TMPO
870 log check_stripflags "$@"
871 test_stripflags "$@" && add_stripflags "$@"
875 log check_header "$@"
879 check_cpp "$@" <<EOF && enable_safe $header
890 check_ld "$@" <<EOF && enable $func
892 int main(void){ $func(); }
897 log check_mathfunc "$@"
901 test $narg = 2 && args="f, g" || args="f"
903 check_ld "$@" <<EOF && enable $func
905 float foo(float f, float g) { return $func($args); }
906 int main(void){ return 0; }
910 check_func_headers(){
911 log check_func_headers "$@"
916 for hdr in $headers; do
919 for func in $funcs; do
920 echo "long check_$func(void) { return (long) $func; }"
922 echo "int main(void) { return 0; }"
923 } | check_ld "$@" && enable $funcs && enable_safe $headers
926 check_cpp_condition(){
927 log check_cpp_condition "$@"
934 #error "unsatisfied condition: $condition"
944 check_header $header && check_func $func "$@" && add_extralibs "$@"
952 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
956 log check_pkg_config "$@"
961 check_cmd $pkg_config --exists --print-errors $pkg || return
962 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
963 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
964 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
965 set_safe "${pkg}_cflags" $pkg_cflags &&
966 set_safe "${pkg}_libs" $pkg_libs
970 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
976 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
977 # are safe but may not be available everywhere. Thus we use
978 # raise(SIGTERM) instead. The check is run in a subshell so we
979 # can redirect the "Terminated" message from the shell. SIGBUS
980 # is not defined by standard C so it is used conditionally.
982 (check_exec "$@") >> $logfile 2>&1 <<EOF
984 static void sighandler(int sig){
990 int (*func_ptr)(void) = foo;
992 signal(SIGILL, sighandler);
993 signal(SIGFPE, sighandler);
994 signal(SIGSEGV, sighandler);
996 signal(SIGBUS, sighandler);
1008 disable_safe "$type"
1009 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1013 log check_struct "$@"
1018 disable_safe "${struct}_${member}"
1019 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1020 enable_safe "${struct}_${member}"
1024 log check_builtin "$@"
1030 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1033 check_compile_assert(){
1034 log check_compile_assert "$@"
1040 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1048 check_lib $header $func "$@" || die "ERROR: $name not found"
1056 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1059 require_pkg_config(){
1061 check_pkg_config "$@" || die "ERROR: $pkg not found"
1062 add_cflags $(get_safe "${pkg}_cflags")
1063 add_extralibs $(get_safe "${pkg}_libs")
1067 eval printf '%s\\n' $HOSTCC_E
1071 eval printf '%s\\n' $HOSTCC_O
1075 log check_host_cc "$@"
1078 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1082 log check_host_cpp "$@"
1085 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1088 check_host_cppflags(){
1089 log check_host_cppflags "$@"
1090 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1095 check_host_cflags(){
1096 log check_host_cflags "$@"
1097 set -- $($host_cflags_filter "$@")
1098 check_host_cc "$@" <<EOF && append host_cflags "$@"
1103 check_host_cpp_condition(){
1104 log check_host_cpp_condition "$@"
1108 check_host_cpp "$@" <<EOF
1111 #error "unsatisfied condition: $condition"
1119 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1123 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1124 mkdir -p "$(dirname $2)"
1128 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1129 # system-dependent things.
1147 filter_audio_example
1151 transcode_aac_example
1154 EXTERNAL_LIBRARY_LIST="
1208 safe_bitstream_reader
1262 $EXTERNAL_LIBRARY_LIST
1327 ARCH_EXT_LIST_X86_SIMD="
1355 $ARCH_EXT_LIST_X86_SIMD
1384 sync_val_compare_and_swap
1402 cdio_paranoia_paranoia_h
1403 dev_bktr_ioctl_bt848_h
1404 dev_bktr_ioctl_meteor_h
1406 dev_video_bktr_ioctl_bt848_h
1407 dev_video_meteor_ioctl_meteor_h
1415 machine_ioctl_bt848_h
1416 machine_ioctl_meteor_h
1480 GetProcessAffinityMask
1481 GetProcessMemoryInfo
1485 GetSystemTimeAsFileTime
1490 jack_port_get_latency_range
1502 SetConsoleTextAttribute
1513 TOOLCHAIN_FEATURES="
1534 CONDITION_VARIABLE_Ptr
1537 struct_group_source_req
1538 struct_ip_mreq_source
1541 struct_rusage_ru_maxrss
1543 struct_sockaddr_sa_len
1544 struct_sockaddr_storage
1545 struct_v4l2_frmivalenum_discrete
1550 $(add_suffix _external $ARCH_EXT_LIST)
1551 $(add_suffix _inline $ARCH_EXT_LIST)
1578 # options emitted with CONFIG_ prefix but not available on the command line
1706 # code dependency declarations
1708 # architecture extensions
1713 armv8_deps="aarch64"
1714 neon_deps_any="aarch64 arm"
1715 intrinsics_neon_deps="neon"
1716 vfp_deps_any="aarch64 arm"
1719 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1727 x86_64_select="i686"
1728 x86_64_suggest="fast_cmov"
1731 amd3dnowext_deps="amd3dnow"
1747 mmx_external_deps="yasm"
1748 mmx_inline_deps="inline_asm"
1749 mmx_suggest="mmx_external mmx_inline"
1751 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1752 eval dep=\$${ext}_deps
1753 eval ${ext}_external_deps='"${dep}_external"'
1754 eval ${ext}_inline_deps='"${dep}_inline"'
1755 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1758 aligned_stack_if_any="aarch64 ppc x86"
1759 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1760 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1761 fast_unaligned_if_any="aarch64 ppc x86"
1762 simd_align_16_if_any="altivec neon sse"
1764 # system capabilities
1765 symver_if_any="symver_asm_label symver_gnu_asm"
1766 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1769 atomics_gcc_if="sync_val_compare_and_swap"
1770 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1771 atomics_win32_if="MemoryBarrier"
1772 atomics_native_if_any="$ATOMICS_LIST"
1773 w32threads_deps="atomics_native"
1774 threads_if_any="$THREADS_LIST"
1778 error_resilience_select="me_cmp"
1779 faandct_deps="faan fdctdsp"
1780 faanidct_deps="faan idctdsp"
1781 intrax8_select="error_resilience"
1784 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1785 mpeg_er_select="error_resilience"
1786 mpegaudio_select="mpegaudiodsp"
1787 mpegaudiodsp_select="dct"
1788 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1789 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1790 nvenc_deps_any="dlopen LoadLibrary"
1791 nvenc_extralibs='$ldl'
1795 # decoders / encoders
1796 aac_decoder_select="imdct15 mdct sinewin"
1797 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1798 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1799 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1800 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1801 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1802 aic_decoder_select="golomb idctdsp"
1803 alac_encoder_select="lpc"
1804 als_decoder_select="bswapdsp"
1805 amrnb_decoder_select="lsp"
1806 amrwb_decoder_select="lsp"
1807 amv_decoder_select="sp5x_decoder"
1808 ape_decoder_select="bswapdsp"
1809 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1810 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1811 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1812 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1813 atrac1_decoder_select="mdct sinewin"
1814 atrac3_decoder_select="mdct"
1815 atrac3p_decoder_select="mdct sinewin"
1816 bink_decoder_select="blockdsp hpeldsp"
1817 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1818 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1819 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1820 cllc_decoder_select="bswapdsp"
1821 comfortnoise_encoder_select="lpc"
1822 cook_decoder_select="audiodsp mdct sinewin"
1823 cscd_decoder_select="lzo"
1824 cscd_decoder_suggest="zlib"
1825 dca_decoder_select="fmtconvert mdct"
1826 dds_decoder_select="texturedsp"
1827 dnxhd_decoder_select="blockdsp idctdsp"
1828 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1829 dvvideo_decoder_select="dvprofile idctdsp"
1830 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1831 dxa_decoder_deps="zlib"
1832 eac3_decoder_select="ac3_decoder"
1833 eac3_encoder_select="ac3_encoder"
1834 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1835 eatgq_decoder_select="aandcttables idctdsp"
1836 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
1837 exr_decoder_deps="zlib"
1838 ffv1_decoder_select="golomb rangecoder"
1839 ffv1_encoder_select="rangecoder"
1840 ffvhuff_decoder_select="huffyuv_decoder"
1841 ffvhuff_encoder_select="huffyuv_encoder"
1842 fic_decoder_select="golomb"
1843 flac_decoder_select="golomb"
1844 flac_encoder_select="bswapdsp golomb lpc"
1845 flashsv_decoder_deps="zlib"
1846 flashsv_encoder_deps="zlib"
1847 flashsv2_decoder_deps="zlib"
1848 flv_decoder_select="h263_decoder"
1849 flv_encoder_select="h263_encoder"
1850 fourxm_decoder_select="blockdsp bswapdsp"
1851 fraps_decoder_select="bswapdsp huffman"
1852 g2m_decoder_deps="zlib"
1853 g2m_decoder_select="blockdsp idctdsp jpegtables"
1854 h261_decoder_select="mpeg_er mpegvideo"
1855 h261_encoder_select="aandcttables mpegvideoenc"
1856 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1857 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1858 h263i_decoder_select="h263_decoder"
1859 h263p_encoder_select="h263_encoder"
1860 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
1861 h264_decoder_suggest="error_resilience"
1862 h264_nvenc_encoder_deps="nvenc"
1863 h264_qsv_decoder_deps="libmfx"
1864 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1865 h264_qsv_encoder_deps="libmfx"
1866 h264_qsv_encoder_select="qsvenc"
1867 hap_decoder_select="snappy texturedsp"
1868 hap_encoder_deps="libsnappy"
1869 hap_encoder_select="texturedspenc"
1870 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1871 hevc_nvenc_encoder_deps="nvenc"
1872 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1873 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1874 iac_decoder_select="imc_decoder"
1875 imc_decoder_select="bswapdsp fft mdct sinewin"
1876 indeo3_decoder_select="hpeldsp"
1877 interplay_video_decoder_select="hpeldsp"
1878 jpegls_decoder_select="golomb mjpeg_decoder"
1879 jpegls_encoder_select="golomb"
1880 jv_decoder_select="blockdsp"
1881 lagarith_decoder_select="huffyuvdsp"
1882 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1883 loco_decoder_select="golomb"
1884 mdec_decoder_select="blockdsp idctdsp mpegvideo"
1885 metasound_decoder_select="lsp mdct sinewin"
1886 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1887 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
1888 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
1889 mjpegb_decoder_select="mjpeg_decoder"
1890 mlp_decoder_select="mlp_parser"
1891 motionpixels_decoder_select="bswapdsp"
1892 mp1_decoder_select="mpegaudio"
1893 mp1float_decoder_select="mpegaudio"
1894 mp2_decoder_select="mpegaudio"
1895 mp2float_decoder_select="mpegaudio"
1896 mp3_decoder_select="mpegaudio"
1897 mp3adu_decoder_select="mpegaudio"
1898 mp3adufloat_decoder_select="mpegaudio"
1899 mp3float_decoder_select="mpegaudio"
1900 mp3on4_decoder_select="mpegaudio"
1901 mp3on4float_decoder_select="mpegaudio"
1902 mpc7_decoder_select="bswapdsp mpegaudiodsp"
1903 mpc8_decoder_select="mpegaudiodsp"
1904 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1905 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1906 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
1907 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1908 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
1909 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1910 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1911 mpeg4_encoder_select="h263_encoder"
1912 msmpeg4v1_decoder_select="h263_decoder"
1913 msmpeg4v2_decoder_select="h263_decoder"
1914 msmpeg4v2_encoder_select="h263_encoder"
1915 msmpeg4v3_decoder_select="h263_decoder"
1916 msmpeg4v3_encoder_select="h263_encoder"
1917 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
1918 mxpeg_decoder_select="mjpeg_decoder"
1919 nellymoser_decoder_select="mdct sinewin"
1920 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1921 nuv_decoder_select="idctdsp lzo"
1922 on2avc_decoder_select="mdct"
1923 opus_decoder_deps="avresample"
1924 opus_decoder_select="imdct15"
1925 png_decoder_deps="zlib"
1926 png_encoder_deps="zlib"
1927 png_encoder_select="huffyuvencdsp"
1928 prores_decoder_select="idctdsp"
1929 prores_encoder_select="fdctdsp"
1930 qcelp_decoder_select="lsp"
1931 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1932 ra_144_encoder_select="audio_frame_queue lpc"
1933 ralf_decoder_select="golomb"
1934 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1935 rv10_encoder_select="h263_encoder"
1936 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1937 rv20_encoder_select="h263_encoder"
1938 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1939 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1940 shorten_decoder_select="golomb"
1941 sipr_decoder_select="lsp"
1942 sp5x_decoder_select="mjpeg_decoder"
1943 svq1_decoder_select="hpeldsp"
1944 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
1945 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
1946 svq3_decoder_suggest="zlib"
1947 tak_decoder_select="audiodsp"
1948 tdsc_decoder_deps="zlib"
1949 tdsc_decoder_select="mjpeg_decoder"
1950 theora_decoder_select="vp3_decoder"
1951 thp_decoder_select="mjpeg_decoder"
1952 tiff_decoder_suggest="zlib"
1953 tiff_encoder_suggest="zlib"
1954 truehd_decoder_select="mlp_decoder"
1955 truemotion2_decoder_select="bswapdsp"
1956 truespeech_decoder_select="bswapdsp"
1957 tscc_decoder_deps="zlib"
1958 txd_decoder_select="texturedsp"
1959 twinvq_decoder_select="mdct lsp sinewin"
1960 utvideo_decoder_select="bswapdsp"
1961 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
1962 vble_decoder_select="huffyuvdsp"
1963 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
1964 vc1image_decoder_select="vc1_decoder"
1965 vorbis_decoder_select="mdct"
1966 vorbis_encoder_select="mdct"
1967 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1968 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1969 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1970 vp6a_decoder_select="vp6_decoder"
1971 vp6f_decoder_select="vp6_decoder"
1972 vp7_decoder_select="h264pred videodsp"
1973 vp8_decoder_select="h264pred videodsp"
1974 vp9_decoder_select="videodsp"
1975 webp_decoder_select="vp8_decoder"
1976 wmapro_decoder_select="mdct sinewin wma_freqs"
1977 wmav1_decoder_select="mdct sinewin wma_freqs"
1978 wmav1_encoder_select="mdct sinewin wma_freqs"
1979 wmav2_decoder_select="mdct sinewin wma_freqs"
1980 wmav2_encoder_select="mdct sinewin wma_freqs"
1981 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1982 wmv1_decoder_select="h263_decoder"
1983 wmv1_encoder_select="h263_encoder"
1984 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
1985 wmv2_encoder_select="h263_encoder"
1986 wmv3_decoder_select="vc1_decoder"
1987 wmv3image_decoder_select="wmv3_decoder"
1988 zerocodec_decoder_deps="zlib"
1989 zlib_decoder_deps="zlib"
1990 zlib_encoder_deps="zlib"
1991 zmbv_decoder_deps="zlib"
1992 zmbv_encoder_deps="zlib"
1994 # hardware accelerators
1995 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
1996 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
1997 vaapi_deps="va_va_h"
1998 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1999 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2000 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2002 h263_vaapi_hwaccel_deps="vaapi"
2003 h263_vaapi_hwaccel_select="h263_decoder"
2004 h263_vdpau_hwaccel_deps="vdpau"
2005 h263_vdpau_hwaccel_select="h263_decoder"
2006 h264_d3d11va_hwaccel_deps="d3d11va"
2007 h264_d3d11va_hwaccel_select="h264_decoder"
2008 h264_dxva2_hwaccel_deps="dxva2"
2009 h264_dxva2_hwaccel_select="h264_decoder"
2010 h264_mmal_decoder_deps="mmal"
2011 h264_mmal_hwaccel_deps="mmal"
2012 h264_mmal_decoder_select="h264_decoder"
2013 h264_mmal_encoder_deps="mmal"
2014 h264_qsv_hwaccel_deps="libmfx"
2015 h264_vaapi_hwaccel_deps="vaapi"
2016 h264_vaapi_hwaccel_select="h264_decoder"
2017 h264_vda_hwaccel_deps="vda"
2018 h264_vda_hwaccel_select="h264_decoder"
2019 h264_vda_old_hwaccel_deps="vda"
2020 h264_vda_old_hwaccel_select="h264_decoder"
2021 h264_vdpau_hwaccel_deps="vdpau"
2022 h264_vdpau_hwaccel_select="h264_decoder"
2023 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2024 hevc_d3d11va_hwaccel_select="hevc_decoder"
2025 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2026 hevc_dxva2_hwaccel_select="hevc_decoder"
2027 mpeg1_vdpau_hwaccel_deps="vdpau"
2028 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2029 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2030 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2031 mpeg2_dxva2_hwaccel_deps="dxva2"
2032 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2033 mpeg2_vaapi_hwaccel_deps="vaapi"
2034 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2035 mpeg2_vdpau_hwaccel_deps="vdpau"
2036 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2037 mpeg4_vaapi_hwaccel_deps="vaapi"
2038 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2039 mpeg4_vdpau_hwaccel_deps="vdpau"
2040 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2041 vc1_d3d11va_hwaccel_deps="d3d11va"
2042 vc1_d3d11va_hwaccel_select="vc1_decoder"
2043 vc1_dxva2_hwaccel_deps="dxva2"
2044 vc1_dxva2_hwaccel_select="vc1_decoder"
2045 vc1_vaapi_hwaccel_deps="vaapi"
2046 vc1_vaapi_hwaccel_select="vc1_decoder"
2047 vc1_vdpau_hwaccel_deps="vdpau"
2048 vc1_vdpau_hwaccel_select="vc1_decoder"
2049 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2050 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2051 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2052 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2055 h264_parser_select="h264_decoder"
2056 mpegvideo_parser_select="mpegvideo"
2057 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2058 vc1_parser_select="mpegvideo startcode vc1_decoder"
2061 mjpeg2jpeg_bsf_select="jpegtables"
2063 # external libraries
2064 libdcadec_decoder_deps="libdcadec"
2065 libfaac_encoder_deps="libfaac"
2066 libfaac_encoder_select="audio_frame_queue"
2067 libfdk_aac_decoder_deps="libfdk_aac"
2068 libfdk_aac_encoder_deps="libfdk_aac"
2069 libfdk_aac_encoder_select="audio_frame_queue"
2070 libgsm_decoder_deps="libgsm"
2071 libgsm_encoder_deps="libgsm"
2072 libgsm_ms_decoder_deps="libgsm"
2073 libgsm_ms_encoder_deps="libgsm"
2074 libilbc_decoder_deps="libilbc"
2075 libilbc_encoder_deps="libilbc"
2076 libmp3lame_encoder_deps="libmp3lame"
2077 libmp3lame_encoder_select="audio_frame_queue"
2078 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2079 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2080 libopencore_amrnb_encoder_select="audio_frame_queue"
2081 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2082 libopenh264_encoder_deps="libopenh264"
2083 libopenjpeg_decoder_deps="libopenjpeg"
2084 libopenjpeg_encoder_deps="libopenjpeg"
2085 libopus_decoder_deps="libopus"
2086 libopus_encoder_deps="libopus"
2087 libopus_encoder_select="audio_frame_queue"
2088 libschroedinger_decoder_deps="libschroedinger"
2089 libschroedinger_encoder_deps="libschroedinger"
2090 libspeex_decoder_deps="libspeex"
2091 libspeex_encoder_deps="libspeex"
2092 libspeex_encoder_select="audio_frame_queue"
2093 libtheora_encoder_deps="libtheora"
2094 libtwolame_encoder_deps="libtwolame"
2095 libvo_aacenc_encoder_deps="libvo_aacenc"
2096 libvo_aacenc_encoder_select="audio_frame_queue"
2097 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2098 libvorbis_encoder_deps="libvorbis"
2099 libvorbis_encoder_select="audio_frame_queue"
2100 libvpx_vp8_decoder_deps="libvpx"
2101 libvpx_vp8_encoder_deps="libvpx"
2102 libvpx_vp9_decoder_deps="libvpx"
2103 libvpx_vp9_encoder_deps="libvpx"
2104 libwavpack_encoder_deps="libwavpack"
2105 libwebp_encoder_deps="libwebp"
2106 libx264_encoder_deps="libx264"
2107 libx265_encoder_deps="libx265"
2108 libxavs_encoder_deps="libxavs"
2109 libxvid_encoder_deps="libxvid"
2112 ac3_demuxer_select="ac3_parser"
2113 asf_demuxer_select="riffdec"
2114 asf_muxer_select="riffenc"
2115 asf_stream_muxer_select="asf_muxer"
2116 avi_demuxer_select="riffdec"
2117 avi_muxer_select="riffenc"
2118 avisynth_demuxer_deps="avisynth"
2119 avisynth_demuxer_select="riffdec"
2120 caf_demuxer_select="riffdec"
2121 dash_muxer_select="mp4_muxer"
2122 dirac_demuxer_select="dirac_parser"
2123 dv_demuxer_select="dvprofile"
2124 dv_muxer_select="dvprofile"
2125 dxa_demuxer_select="riffdec"
2126 eac3_demuxer_select="ac3_parser"
2127 f4v_muxer_select="mov_muxer"
2128 flac_demuxer_select="flac_parser"
2129 hds_muxer_select="flv_muxer"
2130 hls_muxer_select="mpegts_muxer"
2131 ipod_muxer_select="mov_muxer"
2132 ismv_muxer_select="mov_muxer"
2133 matroska_audio_muxer_select="matroska_muxer"
2134 matroska_demuxer_select="riffdec"
2135 matroska_demuxer_suggest="bzlib lzo zlib"
2136 matroska_muxer_select="riffenc"
2137 mmf_muxer_select="riffenc"
2138 mov_demuxer_select="riffdec"
2139 mov_demuxer_suggest="zlib"
2140 mov_muxer_select="riffenc rtpenc_chain"
2141 mp3_demuxer_select="mpegaudio_parser"
2142 mp4_muxer_select="mov_muxer"
2143 mpegts_muxer_select="adts_muxer latm_muxer"
2144 mpegtsraw_demuxer_select="mpegts_demuxer"
2145 mxf_d10_muxer_select="mxf_muxer"
2146 nut_muxer_select="riffenc"
2147 nuv_demuxer_select="riffdec"
2148 oga_muxer_select="ogg_muxer"
2149 ogg_demuxer_select="golomb"
2150 opus_muxer_select="ogg_muxer"
2151 psp_muxer_select="mov_muxer"
2152 rtp_demuxer_select="sdp_demuxer"
2153 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2154 rtsp_demuxer_select="http_protocol rtpdec"
2155 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2156 sap_demuxer_select="sdp_demuxer"
2157 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2158 sdp_demuxer_select="rtpdec"
2159 smoothstreaming_muxer_select="ismv_muxer"
2160 spdif_muxer_select="aac_parser"
2161 spx_muxer_select="ogg_muxer"
2162 tak_demuxer_select="tak_parser"
2163 tg2_muxer_select="mov_muxer"
2164 tgp_muxer_select="mov_muxer"
2165 w64_demuxer_select="wav_demuxer"
2166 wav_demuxer_select="riffdec"
2167 wav_muxer_select="riffenc"
2168 webm_muxer_select="riffenc"
2169 wtv_demuxer_select="riffdec"
2170 xmv_demuxer_select="riffdec"
2171 xwma_demuxer_select="riffdec"
2174 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2175 alsa_outdev_deps="alsa_asoundlib_h"
2176 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2177 dv1394_indev_deps="dv1394"
2178 dv1394_indev_select="dv_demuxer"
2179 fbdev_indev_deps="linux_fb_h"
2180 jack_indev_deps="jack_jack_h pthreads"
2181 libcdio_indev_deps="libcdio"
2182 libdc1394_indev_deps="libdc1394"
2183 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2184 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2185 pulse_indev_deps="libpulse"
2186 sndio_indev_deps="sndio_h"
2187 sndio_outdev_deps="sndio_h"
2188 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2189 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2190 vfwcap_indev_extralibs="-lavicap32"
2191 x11grab_indev_deps="x11grab"
2192 x11grab_xcb_indev_deps="libxcb"
2195 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2196 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2197 ffrtmpcrypt_protocol_select="tcp_protocol"
2198 ffrtmphttp_protocol_deps="!librtmp_protocol"
2199 ffrtmphttp_protocol_select="http_protocol"
2200 gopher_protocol_select="network"
2201 http_protocol_select="tcp_protocol"
2202 httpproxy_protocol_select="tcp_protocol"
2203 https_protocol_select="tls_protocol"
2204 icecast_protocol_select="http_protocol"
2205 librtmp_protocol_deps="librtmp"
2206 librtmpe_protocol_deps="librtmp"
2207 librtmps_protocol_deps="librtmp"
2208 librtmpt_protocol_deps="librtmp"
2209 librtmpte_protocol_deps="librtmp"
2210 mmsh_protocol_select="http_protocol"
2211 mmst_protocol_select="network"
2212 rtmp_protocol_deps="!librtmp_protocol"
2213 rtmp_protocol_select="tcp_protocol"
2214 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2215 rtmps_protocol_deps="!librtmp_protocol"
2216 rtmps_protocol_select="tls_protocol"
2217 rtmpt_protocol_select="ffrtmphttp_protocol"
2218 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2219 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2220 rtp_protocol_select="udp_protocol"
2221 sctp_protocol_deps="struct_sctp_event_subscribe"
2222 sctp_protocol_select="network"
2223 srtp_protocol_select="rtp_protocol"
2224 tcp_protocol_select="network"
2225 tls_gnutls_protocol_deps="gnutls"
2226 tls_gnutls_protocol_select="tcp_protocol"
2227 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2228 tls_openssl_protocol_select="tcp_protocol"
2229 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2230 udp_protocol_select="network"
2231 unix_protocol_deps="sys_un_h"
2232 unix_protocol_select="network"
2235 blackframe_filter_deps="gpl"
2236 boxblur_filter_deps="gpl"
2237 bs2b_filter_deps="libbs2b"
2238 cropdetect_filter_deps="gpl"
2239 delogo_filter_deps="gpl"
2240 drawtext_filter_deps="libfreetype"
2241 frei0r_filter_deps="frei0r dlopen"
2242 frei0r_filter_extralibs='$ldl'
2243 frei0r_src_filter_deps="frei0r dlopen"
2244 frei0r_src_filter_extralibs='$ldl'
2245 hqdn3d_filter_deps="gpl"
2246 interlace_filter_deps="gpl"
2247 ocv_filter_deps="libopencv"
2248 resample_filter_deps="avresample"
2249 scale_filter_deps="swscale"
2252 avcodec_example_deps="avcodec avutil"
2253 filter_audio_example_deps="avfilter avutil"
2254 metadata_example_deps="avformat avutil"
2255 output_example_deps="avcodec avformat avutil swscale"
2256 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2257 transcode_aac_example_deps="avcodec avformat avresample"
2259 # libraries, in linking order
2260 avcodec_deps="avutil"
2261 avdevice_deps="avformat avcodec avutil"
2262 avfilter_deps="avutil"
2263 avformat_deps="avcodec avutil"
2264 avresample_deps="avutil"
2265 swscale_deps="avutil"
2268 avconv_deps="avcodec avfilter avformat avresample swscale"
2269 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2270 fps_filter null_filter resample_filter scale_filter
2271 setpts_filter trim_filter"
2272 avplay_deps="avcodec avformat avresample swscale sdl"
2273 avplay_libs='$sdl_libs'
2274 avplay_select="rdft transpose_filter hflip_filter vflip_filter"
2275 avprobe_deps="avcodec avformat"
2279 texi2html_deps="doc"
2281 # default parameters
2283 logfile="config.log"
2285 # installation paths
2286 prefix_default="/usr/local"
2287 bindir_default='${prefix}/bin'
2288 datadir_default='${prefix}/share/avconv'
2289 docdir_default='${prefix}/share/doc/libav'
2290 incdir_default='${prefix}/include'
2291 libdir_default='${prefix}/lib'
2292 mandir_default='${prefix}/share/man'
2293 shlibdir_default="$libdir_default"
2298 host_cc_default="gcc"
2303 pkg_config_default=pkg-config
2309 arch_default=$(uname -m)
2314 target_os_default=$(tolower $(uname -s))
2315 host_os=$target_os_default
2317 # configurable options
2318 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2323 enable faan faandct faanidct
2324 enable optimizations
2325 enable safe_bitstream_reader
2327 enable swscale_alpha
2328 enable valgrind_backtrace
2330 # By default, enable only those hwaccels that have no external dependencies.
2331 enable d3d11va dxva2 vda vdpau
2334 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2337 FULLNAME='$(NAME)$(BUILDSUF)'
2338 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2341 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2342 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2343 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2344 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2345 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2346 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2366 host_cflags_filter=echo
2367 host_ldflags_filter=echo
2369 target_path='$(CURDIR)'
2371 # since the object filename is not given with the -MM flag, the compiler
2372 # is only able to print the basename, and we must add the path ourselves
2373 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2377 if test -f configure; then
2380 source_path=$(cd $(dirname "$0"); pwd)
2381 echo "$source_path" | grep -q '[[:blank:]]' &&
2382 die "Out of tree builds are impossible with whitespace in source path."
2383 test -e "$source_path/config.h" &&
2384 die "Out of tree builds are impossible with config.h in source dir."
2391 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2397 file=$source_path/$3
2398 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2401 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2402 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2403 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2404 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2405 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2406 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2407 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2408 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2409 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2410 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2411 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2427 for n in $COMPONENT_LIST; do
2428 v=$(toupper ${n%s})_LIST
2430 eval ${n}_if_any="\$$v"
2433 enable $ARCH_EXT_LIST
2436 echo "Unknown option \"$1\"."
2437 echo "See $0 --help for available options."
2442 cat | tr ' ' '\n' | sort | pr -r -3 -t
2448 echo $* | sed s/$suffix//g | print_3_columns
2460 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2461 echo "prob ${prob:-0.5}"
2469 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2470 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2479 --extra-ldexeflags=*)
2480 add_ldexeflags $optval
2483 add_extralibs $optval
2486 disable $INDEV_LIST $OUTDEV_LIST
2489 debuglevel="$optval"
2492 disable $PROGRAM_LIST
2494 --disable-everything)
2495 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2498 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2499 disable $LIBRARY_LIST $PROGRAM_LIST doc
2501 --enable-random|--disable-random)
2502 action=${opt%%-random}
2503 do_random ${action#--} $COMPONENT_LIST
2505 --enable-random=*|--disable-random=*)
2506 action=${opt%%-random=*}
2507 do_random ${action#--} $optval
2509 --enable-*=*|--disable-*=*)
2510 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2511 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2512 eval list=\$$(toupper $thing)_LIST
2513 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2514 $action $(filter "$name" $list)
2516 --enable-avserver|--disable-avserver*)
2517 warn "avserver has been removed, the ${opt} option is only"\
2518 "provided for compatibility and will be removed in the future"
2520 --enable-?*|--disable-?*)
2521 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2522 if is_in $option $COMPONENT_LIST; then
2523 test $action = disable && action=unset
2524 eval $action \$$(toupper ${option%s})_LIST
2525 elif is_in $option $CMDLINE_SELECT; then
2532 NAME="${opt#--list-}"
2533 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2535 eval show_list $NAME \$$(toupper $NAME)_LIST
2537 --help|-h) show_help
2540 optname="${opt%%=*}"
2541 optname="${optname#--}"
2542 optname=$(echo "$optname" | sed 's/-/_/g')
2543 if is_in $optname $CMDLINE_SET; then
2544 eval $optname='$optval'
2545 elif is_in $optname $CMDLINE_APPEND; then
2546 append $optname "$optval"
2558 disabled logging && logfile=/dev/null
2560 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2563 case "$toolchain" in
2566 add_cflags -fsanitize=address
2567 add_ldflags -fsanitize=address
2571 add_cflags -fsanitize=thread -pie
2572 add_ldflags -fsanitize=thread -pie
2576 add_cflags -fsanitize=undefined -O1
2577 add_ldflags -fsanitize=undefined
2581 add_cflags -fsanitize=address
2582 add_ldflags -fsanitize=address
2586 add_cflags -fsanitize=thread -pie -fPIC
2587 add_ldflags -fsanitize=thread -pie -fPIC
2591 add_cflags -fsanitize=undefined
2592 add_ldflags -fsanitize=undefined
2595 target_exec_default="valgrind"
2596 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2599 target_exec_default="valgrind"
2600 target_exec_args="--track-origins=yes --leak-check=full"
2603 # Check whether the current MSVC version needs the C99 converter.
2604 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2605 # support enough of C99 to build libav. Default to the new
2606 # behaviour if the regexp was unable to match anything, since this
2607 # successfully parses the version number of existing supported
2608 # versions that require the converter (MSVC 2010 and 2012).
2609 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2610 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2613 cc_default="c99wrap cl"
2616 nm_default="dumpbin -symbols"
2618 target_os_default="win32"
2619 # Use a relative path for TMPDIR. This makes sure all the
2620 # ffconf temp files are written with a relative path, avoiding
2621 # issues with msys/win32 path conversion for MSVC parameters
2622 # such as -Fo<file> or -out:<file>.
2628 nm_default="dumpbin -symbols"
2630 target_os_default="win32"
2634 add_cflags -fprofile-arcs -ftest-coverage
2635 add_ldflags -fprofile-arcs -ftest-coverage
2638 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2639 add_cflags -fno-strict-overflow -fstack-protector-all
2640 add_ldflags -Wl,-z,relro -Wl,-z,now
2643 die "Unknown toolchain $toolchain"
2647 test -n "$cross_prefix" && enable cross_compile
2649 if enabled cross_compile; then
2650 test -n "$arch" && test -n "$target_os" ||
2651 die "Must specify target arch and OS when cross-compiling"
2654 ar_default="${cross_prefix}${ar_default}"
2655 cc_default="${cross_prefix}${cc_default}"
2656 nm_default="${cross_prefix}${nm_default}"
2657 pkg_config_default="${cross_prefix}${pkg_config_default}"
2658 ranlib="${cross_prefix}${ranlib}"
2659 strip="${cross_prefix}${strip}"
2661 sysinclude_default="${sysroot}/usr/include"
2663 set_default arch cc pkg_config sysinclude target_exec target_os
2664 enabled cross_compile || host_cc_default=$cc
2667 if ! $pkg_config --version >/dev/null 2>&1; then
2668 warn "$pkg_config not found, library detection may fail."
2674 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2678 EXESUF=$(exesuf $target_os)
2679 HOSTEXESUF=$(exesuf $host_os)
2681 # set temporary file name
2682 : ${TMPDIR:=$TEMPDIR}
2686 if ! check_cmd mktemp -u XXXXXX; then
2687 # simple replacement for missing mktemp
2688 # NOT SAFE FOR GENERAL USE
2690 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2695 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2696 (set -C; exec > $tmp) 2>/dev/null ||
2697 die "Unable to create temporary file in $TMPDIR."
2698 append TMPFILES $tmp
2702 trap 'rm -f -- $TMPFILES' EXIT
2706 tmpfile TMPE $EXESUF
2717 # make sure we can execute files in $TMPDIR
2718 cat > $TMPSH 2>> $logfile <<EOF
2721 chmod +x $TMPSH >> $logfile 2>&1
2722 if ! $TMPSH >> $logfile 2>&1; then
2724 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2725 variable to another directory and make sure that it is not mounted noexec.
2727 die "Sanity test failed."
2733 # Filter out MSVC cl.exe options from cflags that shouldn't
2734 # be passed to gas-preprocessor
2744 -std=c99) echo -c99 ;;
2745 -mcpu=*) echo -arch ${flag#*=} ;;
2746 -mieee) echo -ieee ;;
2747 -O*|-fast) echo $flag ;;
2748 -fno-math-errno) echo -assume nomath_errno ;;
2750 -Wall) echo -msg_enable level2 ;;
2751 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2752 -Wl,*) echo $flag ;;
2762 -Wno-switch) echo -Wno-switch-enum ;;
2763 -Wno-format-zero-length) ;;
2764 -Wdisabled-optimization) ;;
2765 -Wno-pointer-sign) echo -Wno-other ;;
2771 msvc_common_flags(){
2774 # In addition to specifying certain flags under the compiler
2775 # specific filters, they must be specified here as well or else the
2776 # generic catch all at the bottom will print the original flag.
2780 -fomit-frame-pointer) ;;
2784 -fno-signed-zeros) ;;
2788 -lz) echo zlib.lib ;;
2789 -lavifil32) echo vfw32.lib ;;
2790 -lavicap32) echo vfw32.lib user32.lib ;;
2791 -l*) echo ${flag#-l}.lib ;;
2792 -L*) echo -libpath:${flag#-L} ;;
2799 msvc_common_flags "$@"
2802 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2803 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2804 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2805 -wd4273 -wd4554 -wd4701 ;;
2811 msvc_common_flags "$@"
2814 # Despite what Intel's documentation says -Wall, which is supported
2815 # on Windows, does enable remarks so disable them here.
2816 -Wall) echo $flag -Qdiag-disable:remark ;;
2817 -std=c99) echo -Qstd=c99 ;;
2825 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2826 -fomit-frame-pointer) echo -Mnoframe ;;
2837 case "${flag#*=}" in
2838 native) echo -xtarget=native ;;
2839 v9|niagara) echo -xarch=sparc ;;
2840 ultrasparc) echo -xarch=sparcvis ;;
2841 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2842 i586|pentium) echo -xchip=pentium ;;
2843 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2844 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2845 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2846 pentium4*) echo -xtarget=pentium4 ;;
2847 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2848 *-sse3) echo -xarch=sse3 ;;
2849 core2) echo -xarch=ssse3 -xchip=core2 ;;
2850 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2851 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2852 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2853 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2854 k8|opteron|athlon64|athlon-fx)
2855 echo -xarch=sse2a ;;
2856 athlon*) echo -xarch=pentium_proa ;;
2859 -std=c99) echo -xc99 ;;
2860 -fomit-frame-pointer) echo -xregs=frameptr ;;
2861 -fPIC) echo -KPIC -xcode=pic32 ;;
2862 -W*,*) echo $flag ;;
2863 -f*-*|-W*|-mimpure-text) ;;
2874 case "${flag#*=}" in
2875 armv7-a|cortex-a*) echo -mv=7a8 ;;
2876 armv7-r|cortex-r*) echo -mv=7r4 ;;
2877 armv7-m|cortex-m*) echo -mv=7m3 ;;
2878 armv6*|arm11*) echo -mv=6 ;;
2879 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2881 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2884 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2885 -mfpu=vfp) echo --float_support=vfpv2 ;;
2886 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2887 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2888 -msoft-float) echo --float_support=vfplib ;;
2889 -O[0-3]|-mf=*) echo $flag ;;
2891 -pds=*) echo $flag ;;
2892 -D*|-I*) echo $flag ;;
2893 --gcc|--abi=*) echo $flag ;;
2903 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2904 unset _ld_o _ldflags _ld_lib _ld_path
2905 unset _depflags _DEPCMD _DEPFLAGS
2908 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2910 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2911 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2912 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2915 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2917 gcc_version=$($_cc --version | head -n1)
2918 gcc_basever=$($_cc -dumpversion)
2919 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2920 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2921 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2922 if ! $_cc -dumpversion | grep -q '^2\.'; then
2923 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2927 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2929 _ident=$($_cc --version | head -n1)
2934 elif $_cc -v 2>&1 | grep -q xlc; then
2936 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2938 _cflags_size='-O5 -qcompact'
2939 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2941 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2943 _cflags_speed='-fast'
2945 _flags_filter=ccc_flags
2946 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
2947 test -d "$sysroot" || die "No valid sysroot specified."
2949 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
2950 armcc_conf="$PWD/armcc.conf"
2951 $_cc --arm_linux_configure \
2952 --arm_linux_config_file="$armcc_conf" \
2953 --configure_sysroot="$sysroot" \
2954 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2955 die "Error creating armcc configuration file."
2956 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2957 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2958 as_default="${cross_prefix}gcc"
2962 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2964 _ident=$($_cc -version | head -n1 | tr -s ' ')
2965 _flags='--gcc --abi=eabi -me'
2968 _depflags='-ppa -ppd=$(@:.o=.d)'
2969 _cflags_speed='-O3 -mf=5'
2970 _cflags_size='-O3 -mf=2'
2971 _flags_filter=tms470_flags
2972 elif $_cc -v 2>&1 | grep -q clang; then
2974 _ident=$($_cc --version | head -n1)
2975 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2978 elif $_cc -V 2>&1 | grep -q Sun; then
2980 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2981 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2982 _DEPFLAGS='-xM1 -xc99'
2985 _cflags_size='-O5 -xspace'
2986 _flags_filter=suncc_flags
2987 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2989 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2990 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2993 _flags_filter='filter_out -Wdisabled-optimization'
2994 elif $_cc -v 2>&1 | grep -q Open64; then
2996 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2997 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3000 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3001 elif $_cc -V 2>&1 | grep -q Portland; then
3003 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3004 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3005 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3006 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3008 _flags_filter=pgi_flags
3009 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3011 _ident=$($_cc | head -n1)
3012 # 4509: "This form of conditional instruction is deprecated"
3013 _flags="-nologo -ignore 4509"
3014 _flags_filter=armasm_flags
3015 elif $_cc 2>&1 | grep -q Microsoft; then
3017 _ident=$($_cc 2>&1 | head -n1)
3018 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3019 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3022 if $_cc 2>&1 | grep -q Linker; then
3029 _flags_filter=msvc_flags
3031 _ld_path='-libpath:'
3033 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3034 elif $_cc 2>&1 | grep -q Intel; then
3036 _ident=$($_cc 2>&1 | head -n1)
3037 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3038 # Not only is O3 broken on 13.x+ but it is slower on all previous
3039 # versions (tested) as well.
3041 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3042 if $_cc 2>&1 | grep -q Linker; then
3049 _flags_filter=icl_flags
3051 _ld_path='-libpath:'
3052 # -Qdiag-error to make icl error when seeing certain unknown arguments
3053 _flags='-nologo -Qdiag-error:4044,10157'
3054 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3055 # with MSVC which enables it by default.
3056 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3057 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3059 _ident=$($_cc --version | head -n1)
3063 _flags_filter=cparser_flags
3066 eval ${pfx}_type=\$_type
3067 eval ${pfx}_ident=\$_ident
3071 eval ${1}_C=\${_cc_c-\${${1}_C}}
3072 eval ${1}_E=\${_cc_e-\${${1}_E}}
3073 eval ${1}_O=\${_cc_o-\${${1}_O}}
3075 if [ -n "$_depflags" ]; then
3076 eval ${1}_DEPFLAGS=\$_depflags
3078 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3079 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3080 eval DEP${1}FLAGS=\$_flags
3085 cflags_filter=$_flags_filter
3086 cflags_speed=$_cflags_speed
3087 cflags_size=$_cflags_size
3088 cflags_noopt=$_cflags_noopt
3089 add_cflags $_flags $_cflags
3090 cc_ldflags=$_ldflags
3093 probe_cc hostcc "$host_cc"
3094 host_cflags_filter=$_flags_filter
3095 add_host_cflags $_flags $_cflags
3098 test -n "$cc_type" && enable $cc_type ||
3099 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3101 : ${as_default:=$cc}
3102 : ${dep_cc_default:=$cc}
3103 : ${ld_default:=$cc}
3104 : ${host_ld_default:=$host_cc}
3105 set_default ar as dep_cc ld host_ld
3108 asflags_filter=$_flags_filter
3109 add_asflags $_flags $_cflags
3113 ldflags_filter=$_flags_filter
3114 add_ldflags $_flags $_ldflags
3115 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3117 LD_LIB=${_ld_lib-$LD_LIB}
3118 LD_PATH=${_ld_path-$LD_PATH}
3120 probe_cc hostld "$host_ld"
3121 host_ldflags_filter=$_flags_filter
3122 add_host_ldflags $_flags $_ldflags
3123 HOSTLD_O=${_ld_o-$HOSTLD_O}
3125 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3126 probe_cc depcc "$dep_cc"
3127 CCDEP=${_DEPCMD:-$DEPCMD}
3128 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3132 if $ar 2>&1 | grep -q Microsoft; then
3135 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3138 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3139 arflags='-Xany -r -c'
3146 add_cflags $extra_cflags
3147 add_asflags $extra_cflags
3149 if test -n "$sysroot"; then
3152 add_cppflags --sysroot="$sysroot"
3153 add_ldflags --sysroot="$sysroot"
3156 add_cppflags -I"$sysinclude"
3157 add_ldflags --sysroot="$sysroot"
3162 if test "$cpu" = host; then
3163 enabled cross_compile &&
3164 die "--cpu=host makes no sense when cross-compiling."
3169 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3171 s/.*$1=\\([^ ]*\\).*/\\1/
3176 cpu=$(check_native -march || check_native -mcpu)
3180 test "${cpu:-host}" = host &&
3181 die "--cpu=host not supported with compiler $cc"
3184 # Deal with common $arch aliases
3198 "Power Macintosh"|ppc*|powerpc*)
3213 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3218 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3221 # Add processor-specific flags
3222 if enabled aarch64; then
3226 cpuflags="-march=$cpu"
3229 cpuflags="-mcpu=$cpu"
3233 elif enabled alpha; then
3235 cpuflags="-mcpu=$cpu"
3237 elif enabled arm; then
3240 check_cpp_condition stddef.h \
3241 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3246 if check_arm_arch 4; then echo armv4;
3247 elif check_arm_arch 4T; then echo armv4t;
3248 elif check_arm_arch 5; then echo armv5;
3249 elif check_arm_arch 5E; then echo armv5e;
3250 elif check_arm_arch 5T; then echo armv5t;
3251 elif check_arm_arch 5TE; then echo armv5te;
3252 elif check_arm_arch 5TEJ; then echo armv5te;
3253 elif check_arm_arch 6; then echo armv6;
3254 elif check_arm_arch 6J; then echo armv6j;
3255 elif check_arm_arch 6K; then echo armv6k;
3256 elif check_arm_arch 6Z; then echo armv6z;
3257 elif check_arm_arch 6ZK; then echo armv6zk;
3258 elif check_arm_arch 6T2; then echo armv6t2;
3259 elif check_arm_arch 7; then echo armv7;
3260 elif check_arm_arch 7A 7_A; then echo armv7-a;
3261 elif check_arm_arch 7S; then echo armv7-a;
3262 elif check_arm_arch 7R 7_R; then echo armv7-r;
3263 elif check_arm_arch 7M 7_M; then echo armv7-m;
3264 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3265 elif check_arm_arch 8A 8_A; then echo armv8-a;
3269 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3273 cpuflags="-march=$cpu"
3274 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3277 cpuflags="-mcpu=$cpu"
3279 cortex-a*) subarch=armv7a ;;
3280 cortex-r*) subarch=armv7r ;;
3281 cortex-m*) enable thumb; subarch=armv7m ;;
3282 arm11*) subarch=armv6 ;;
3283 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3284 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3285 *) subarch=$(probe_arm_arch) ;;
3291 armv5t*) enable fast_clz ;;
3292 armv[6-8]*) enable fast_clz fast_unaligned ;;
3295 elif enabled avr32; then
3300 cpuflags="-mpart=$cpu"
3304 cpuflags="-march=$cpu"
3308 cpuflags="-mcpu=$cpu"
3312 cpuflags="-march=$cpu"
3316 elif enabled bfin; then
3318 cpuflags="-mcpu=$cpu"
3320 elif enabled mips; then
3322 cpuflags="-march=$cpu"
3324 elif enabled ppc; then
3328 case $(tolower $cpu) in
3329 601|ppc601|powerpc601)
3330 cpuflags="-mcpu=601"
3333 603*|ppc603*|powerpc603*)
3334 cpuflags="-mcpu=603"
3337 604*|ppc604*|powerpc604*)
3338 cpuflags="-mcpu=604"
3341 g3|75*|ppc75*|powerpc75*)
3342 cpuflags="-mcpu=750"
3345 g4|745*|ppc745*|powerpc745*)
3346 cpuflags="-mcpu=7450"
3349 74*|ppc74*|powerpc74*)
3350 cpuflags="-mcpu=7400"
3353 g5|970|ppc970|powerpc970)
3354 cpuflags="-mcpu=970"
3358 cpuflags="-mcpu=$cpu"
3362 cpuflags="-mcpu=$cpu"
3366 cpuflags="-mcpu=cell"
3371 cpuflags="-mcpu=e500mc"
3375 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3380 cpuflags="-mcpu=8540 -mhard-float"
3386 elif enabled sparc; then
3389 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3390 cpuflags="-mcpu=$cpu"
3392 ultrasparc*|niagara[234])
3393 cpuflags="-mcpu=$cpu"
3397 elif enabled x86; then
3401 cpuflags="-march=$cpu"
3405 # targets that do NOT support nopl and conditional mov (cmov)
3406 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3407 cpuflags="-march=$cpu"
3410 # targets that do support nopl and conditional mov (cmov)
3411 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3412 cpuflags="-march=$cpu"
3416 # targets that do support conditional mov but on which it's slow
3417 pentium4|pentium4m|prescott|nocona)
3418 cpuflags="-march=$cpu"
3426 if [ "$cpu" != generic ]; then
3427 add_cflags $cpuflags
3428 add_asflags $cpuflags
3431 # compiler sanity check
3433 int main(void){ return 0; }
3435 if test "$?" != 0; then
3436 echo "$cc is unable to create an executable file."
3437 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3438 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3439 echo "Only do this if you know what cross compiling means."
3441 die "C compiler test failed."
3444 add_cppflags -D_ISOC99_SOURCE
3445 check_cflags -std=c99
3446 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3449 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3453 add_host_cppflags -D_ISOC99_SOURCE
3454 check_host_cflags -std=c99
3455 check_host_cflags -Wall
3456 check_host_cflags -O3
3462 check_code cc "" "int test[2*($expr) - 1]" &&
3463 subarch=$arch64 || subarch=$arch32
3471 check_64bit mips mips64 '_MIPS_SIM > 1'
3475 check_64bit parisc parisc64 'sizeof(void *) > 4'
3479 check_64bit ppc ppc64 'sizeof(void *) > 4'
3483 check_64bit s390 s390x 'sizeof(void *) > 4'
3487 check_64bit sparc sparc64 'sizeof(void *) > 4'
3491 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3492 if test "$subarch" = "x86_64"; then
3499 enabled spic && enable_weak pic
3505 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3506 enabled shared && add_ldflags -Wl,-brtl
3510 enable section_data_rel_ro
3511 SLIB_INSTALL_NAME='$(SLIBNAME)'
3513 # soname not set on purpose
3517 prefix_default="/boot/common"
3518 network_extralibs="-lnetwork"
3522 SHFLAGS='-shared -Wl,-h,$$(@F)'
3523 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3524 network_extralibs="-lsocket -lnsl"
3525 # When using suncc to build, the Solaris linker will mark
3526 # an executable with each instruction set encountered by
3527 # the Solaris assembler. As our libraries contain their own
3528 # guards for processor-specific code, instead suppress
3529 # generation of the HWCAPS ELF section on Solaris x86 only.
3530 enabled_all suncc x86 &&
3531 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3532 add_ldflags -Wl,-M,mapfile
3533 nm_default='nm -P -g'
3537 oss_indev_extralibs="-lossaudio"
3538 oss_outdev_extralibs="-lossaudio"
3543 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3545 oss_indev_extralibs="-lossaudio"
3546 oss_outdev_extralibs="-lossaudio"
3554 add_extralibs -lpoll -lgnugetopt
3557 enabled ppc && add_asflags -force_cpusubtype_ALL
3558 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3559 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3560 add_ldflags -Wl,-dynamic,-search_paths_first
3562 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3563 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3565 enabled x86_64 && objformat="macho64"
3566 enabled_any pic shared ||
3567 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3570 if test $target_os = "mingw32ce"; then
3576 if enabled x86_64; then
3577 LIBTARGET="i386:x86-64"
3578 elif enabled arm; then
3581 check_ldflags -Wl,--nxcompat
3582 check_ldflags -Wl,--dynamicbase
3583 shlibdir_default="$bindir_default"
3586 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3587 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3588 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3589 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3591 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3592 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3593 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3595 dlltool="${cross_prefix}dlltool"
3601 if enabled shared; then
3602 # Link to the import library instead of the normal static library
3605 # Cannot build both shared and static libs with MSVC or icl.
3608 shlibdir_default="$bindir_default"
3611 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3612 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3613 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3614 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3616 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3617 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3618 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3625 shlibdir_default="$bindir_default"
3628 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3629 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3630 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3632 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3633 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3637 *-dos|freedos|opendos)
3638 network_extralibs="-lsocket"
3641 add_cppflags -U__STRICT_ANSI__
3645 enable section_data_rel_ro
3649 ranlib="echo ignoring ranlib"
3654 add_cppflags -D_GNU_SOURCE
3655 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3656 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3660 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3661 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3662 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3663 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3664 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3665 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3666 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3667 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3668 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3669 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3670 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3674 add_cppflags -D_BSD_SOURCE
3679 add_cppflags -D_QNX_SOURCE
3680 network_extralibs="-lsocket"
3685 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3686 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3687 add_ldflags -Wl,--target1-abs,--no-undefined \
3688 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3689 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3690 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3691 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3692 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3695 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3700 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3701 -D_REENTRANT_SOURCE \
3702 -D_RESEARCH_SOURCE \
3705 add_compat strtod.o strtod=avpriv_strtod
3706 network_extralibs='-lbsd'
3707 exeobjs=compat/plan9/main.o
3713 die "Unknown OS '$target_os'."
3717 # determine libc flavour
3722 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3723 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3724 eval ${pfx}libc_type=uclibc
3725 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3726 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3727 eval ${pfx}libc_type=glibc
3728 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3729 # MinGW headers can be installed on Cygwin, so check for newlib first.
3730 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3731 eval ${pfx}libc_type=newlib
3732 add_${pfx}cppflags -U__STRICT_ANSI__
3733 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3734 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3735 eval ${pfx}libc_type=mingw64
3736 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3737 eval test \$${pfx_no_}cc_type = "gcc" &&
3738 add_${pfx}cppflags -D__printf__=__gnu_printf__
3739 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3740 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3741 eval ${pfx}libc_type=mingw32
3742 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3743 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3744 die "ERROR: MinGW32 runtime version must be >= 3.15."
3745 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3746 eval test \$${pfx_no_}cc_type = "gcc" &&
3747 add_${pfx}cppflags -D__printf__=__gnu_printf__
3748 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3749 eval ${pfx}libc_type=msvcrt
3750 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
3751 if [ "$pfx" = host_ ]; then
3752 add_host_cppflags -Dsnprintf=_snprintf
3754 add_compat strtod.o strtod=avpriv_strtod
3755 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3756 _snprintf=avpriv_snprintf \
3757 vsnprintf=avpriv_vsnprintf
3760 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3761 # 0x601 by default unless something else is set by the user.
3762 # This can easily lead to us detecting functions only present
3763 # in such new versions and producing binaries requiring windows 7.0.
3764 # Therefore explicitly set the default to XP unless the user has
3765 # set something else on the command line.
3766 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3767 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
3768 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3769 eval ${pfx}libc_type=klibc
3770 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3771 eval ${pfx}libc_type=bionic
3772 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3773 eval ${pfx}libc_type=solaris
3774 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3776 eval ${pfx}libc_type=default
3777 add_${pfx}cppflags -D_DEFAULT_SOURCE
3782 test -n "$libc_type" && enable libc_$libc_type
3784 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3788 add_compat strtod.o strtod=avpriv_strtod
3792 # hacks for compiler/libc/os combinations
3794 if enabled_all tms470 libc_glibc; then
3795 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3796 add_cppflags -D__USER_LABEL_PREFIX__=
3797 add_cppflags -D__builtin_memset=memset
3798 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3799 add_cflags -pds=48 # incompatible redefinition of macro
3802 if enabled_all ccc libc_glibc; then
3803 add_ldflags -Wl,-z,now # calls to libots crash without this
3806 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
3807 add_cppflags '-I\$(SRC_PATH)/compat/float'
3810 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3813 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
3815 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3817 set_default $PATHS_LIST
3820 # we need to build at least one lib type
3821 if ! enabled_any static shared; then
3823 At least one library type must be built.
3824 Specify --enable-static to build the static libraries or --enable-shared to
3825 build the shared libraries as well. To only build the shared libraries specify
3826 --disable-static in addition to --enable-shared.
3831 die_license_disabled() {
3832 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3835 die_license_disabled gpl libcdio
3836 die_license_disabled gpl libx264
3837 die_license_disabled gpl libx265
3838 die_license_disabled gpl libxavs
3839 die_license_disabled gpl libxvid
3840 die_license_disabled gpl x11grab
3842 die_license_disabled nonfree libfaac
3843 die_license_disabled nonfree libfdk_aac
3844 die_license_disabled nonfree nvenc
3845 die_license_disabled nonfree openssl
3847 die_license_disabled version3 libopencore_amrnb
3848 die_license_disabled version3 libopencore_amrwb
3849 die_license_disabled version3 libvo_aacenc
3850 die_license_disabled version3 libvo_amrwbenc
3852 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3854 disabled optimizations || check_cflags -fomit-frame-pointer
3857 disabled pic && return
3860 case "$target_os" in
3870 enabled pic && enable_weak_pic
3872 check_cc <<EOF || die "Symbol mangling check failed."
3875 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3876 extern_prefix=${sym%%ff_extern*}
3878 check_cc <<EOF && enable_weak inline_asm
3879 void foo(void) { __asm__ volatile ("" ::); }
3883 for restrict_keyword in restrict __restrict__ __restrict; do
3884 check_cc <<EOF && _restrict=$restrict_keyword && break
3885 void foo(char * $restrict_keyword p);
3889 check_cc <<EOF && enable pragma_deprecated
3890 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3893 check_cc <<EOF && enable attribute_packed
3894 struct { int x; } __attribute__((packed)) x;
3897 check_cc <<EOF && enable attribute_may_alias
3898 union { int x; } __attribute__((may_alias)) x;
3901 check_cc <<EOF || die "endian test failed"
3902 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3904 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3907 log "check_gas using '$as' as AS"
3908 # :vararg is used on aarch64, arm and ppc altivec
3909 check_as <<EOF || return 1
3910 .macro m n, y:vararg=0
3915 # .altmacro is only used in arm asm
3916 ! enabled arm || check_as <<EOF || return 1
3923 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
3925 enabled_any arm aarch64 && nogas=die
3926 enabled_all ppc altivec && nogas=warn
3930 arm*) gaspp_as_type=armasm; as_noop=-h ;;
3931 gcc) gaspp_as_type=gas ;;
3932 *) gaspp_as_type=$as_type ;;
3935 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
3937 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as $as_noop &&
3938 gas="gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as"
3940 if ! check_gas ; then
3943 $nogas "GNU assembler not found, install/update gas-preprocessor"
3946 check_as <<EOF && enable as_func
3952 check_inline_asm inline_asm_labels '"1:\n"'
3954 if enabled aarch64; then
3955 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
3956 # internal assembler in clang 3.3 does not support this instruction
3957 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
3958 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
3960 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
3962 elif enabled alpha; then
3966 elif enabled arm; then
3968 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
3969 enabled thumb && check_cflags -mthumb || check_cflags -marm
3971 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3973 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3974 case "${cross_prefix:-$cc}" in
3975 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3976 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3977 __asm__ (".eabi_attribute 28, 1");
3978 int main(void) { return 0; }
3981 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3984 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3985 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3986 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3987 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3988 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3989 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3991 [ $target_os = linux ] || [ $target_os = android ] ||
3992 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3995 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3997 check_as <<EOF && enable as_dn_directive
4002 # llvm's integrated assembler supports .object_arch from llvm 3.5
4003 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4007 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4009 elif enabled mips; then
4011 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4013 elif enabled parisc; then
4015 if enabled gcc; then
4016 case $($cc -dumpversion) in
4017 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4021 elif enabled ppc; then
4023 enable local_aligned_8 local_aligned_16
4025 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4026 check_inline_asm ibm_asm '"add 0, 0, 0"'
4027 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4028 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4030 # AltiVec flags: The FSF version of GCC differs from the Apple version
4031 if enabled altivec; then
4032 check_cflags -maltivec -mabi=altivec &&
4033 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4034 check_cflags -faltivec
4036 # check if our compiler supports Motorola AltiVec C API
4037 check_cc <<EOF || disable altivec
4040 vector signed int v1 = (vector signed int) { 0 };
4041 vector signed int v2 = (vector signed int) { 1 };
4042 v1 = vec_add(v1, v2);
4047 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4050 if enabled vsx; then
4051 check_cflags -mvsx &&
4052 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4055 if enabled power8; then
4056 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4059 elif enabled x86; then
4061 check_builtin rdtsc intrin.h "__rdtsc()"
4062 check_builtin mm_empty mmintrin.h "_mm_empty()"
4064 enable local_aligned_8 local_aligned_16
4066 # check whether EBP is available on x86
4067 # As 'i' is stored on the stack, this program will crash
4068 # if the base pointer is used to access it because the
4069 # base pointer is cleared in the inline assembly code.
4070 check_exec_crash <<EOF && enable ebp_available
4072 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4076 # check whether EBX is available on x86
4077 check_inline_asm ebx_available '""::"b"(0)' &&
4078 check_inline_asm ebx_available '"":::"%ebx"'
4080 # check whether xmm clobbers are supported
4081 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4083 # check whether binutils is new enough to compile SSSE3/MMXEXT
4084 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4085 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4087 if ! disabled_any asm mmx yasm; then
4088 if check_cmd $yasmexe --version; then
4089 enabled x86_64 && yasm_extra="-m amd64"
4090 yasm_debug="-g dwarf2"
4091 elif check_cmd nasm -v; then
4093 yasm_debug="-g -F dwarf"
4094 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4097 YASMFLAGS="-f $objformat $yasm_extra"
4098 enabled pic && append YASMFLAGS "-DPIC"
4099 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4100 case "$objformat" in
4101 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4104 check_yasm "movbe ecx, [5]" && enable yasm ||
4105 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4106 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4107 check_yasm "vfmadd132ps ymm0, ymm1, ymm2" || disable fma3_external
4108 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4109 check_yasm "CPU amdnop" || disable cpunop
4113 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4120 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4122 check_ldflags -Wl,--as-needed
4124 if check_func dlopen; then
4126 elif check_func dlopen -ldl; then
4130 if ! disabled network; then
4131 check_func getaddrinfo $network_extralibs
4132 check_func getservbyport $network_extralibs
4133 check_func inet_aton $network_extralibs
4135 check_type netdb.h "struct addrinfo"
4136 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4137 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4138 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4139 check_type poll.h "struct pollfd"
4140 check_type netinet/sctp.h "struct sctp_event_subscribe"
4141 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4142 check_type netinet/in.h "struct sockaddr_in6"
4143 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4144 check_type "sys/types.h sys/socket.h" socklen_t
4146 # Prefer arpa/inet.h over winsock2
4147 if check_header arpa/inet.h ; then
4148 check_func closesocket
4149 elif check_header winsock2.h ; then
4150 check_func_headers winsock2.h closesocket -lws2 &&
4151 network_extralibs="-lws2" ||
4152 { check_func_headers winsock2.h closesocket -lws2_32 &&
4153 network_extralibs="-lws2_32"; } || disable winsock2_h network
4154 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4156 check_type ws2tcpip.h socklen_t
4157 check_type ws2tcpip.h "struct addrinfo"
4158 check_type ws2tcpip.h "struct group_source_req"
4159 check_type ws2tcpip.h "struct ip_mreq_source"
4160 check_type ws2tcpip.h "struct ipv6_mreq"
4161 check_type winsock2.h "struct pollfd"
4162 check_struct winsock2.h "struct sockaddr" sa_len
4163 check_type ws2tcpip.h "struct sockaddr_in6"
4164 check_type ws2tcpip.h "struct sockaddr_storage"
4170 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4171 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4172 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4173 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4175 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4176 check_func ${malloc_prefix}memalign && enable memalign
4177 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4179 check_cpp_condition unistd.h "defined(_POSIX_MONOTONIC_CLOCK)" &&
4180 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4184 check_func gethrtime
4186 check_func getrusage
4187 check_func gettimeofday
4190 check_func localtime_r
4191 check_func mach_absolute_time
4195 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4196 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt; }
4197 check_func sched_getaffinity
4198 check_func setrlimit
4199 check_func strerror_r
4204 check_func_headers io.h setmode
4205 check_func_headers stdlib.h getenv
4207 check_func_headers windows.h CoTaskMemFree -lole32
4208 check_func_headers windows.h GetProcessAffinityMask
4209 check_func_headers windows.h GetProcessTimes
4210 check_func_headers windows.h GetSystemTimeAsFileTime
4211 check_func_headers windows.h LoadLibrary
4212 check_func_headers windows.h MapViewOfFile
4213 check_func_headers windows.h SetConsoleTextAttribute
4214 check_func_headers windows.h Sleep
4215 check_func_headers windows.h VirtualAlloc
4216 check_struct windows.h "CONDITION_VARIABLE" Ptr
4218 check_header direct.h
4219 check_header dlfcn.h
4220 check_header d3d11.h
4222 check_header dxva2api.h
4224 check_header mach/mach_time.h
4225 check_header malloc.h
4227 check_header sys/mman.h
4228 check_header sys/param.h
4229 check_header sys/resource.h
4230 check_header sys/select.h
4231 check_header sys/time.h
4232 check_header sys/un.h
4233 check_header unistd.h
4234 check_header valgrind/valgrind.h
4235 check_header vdpau/vdpau.h
4236 check_header vdpau/vdpau_x11.h
4237 check_header VideoDecodeAcceleration/VDADecoder.h
4238 check_header windows.h
4239 check_header X11/extensions/XvMClib.h
4241 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4242 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4243 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4245 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4247 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"
4248 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
4249 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0600
4251 if ! disabled w32threads && ! enabled pthreads; then
4252 check_func_headers "windows.h process.h" _beginthreadex &&
4253 enable w32threads || disable w32threads
4256 # check for some common methods of building with pthread support
4257 # do this before the optional library checks as some of them require pthreads
4258 if ! disabled pthreads && ! enabled w32threads; then
4260 if check_func pthread_join -pthread; then
4262 add_extralibs -pthread
4263 elif check_func pthread_join -pthreads; then
4264 add_cflags -pthreads
4265 add_extralibs -pthreads
4266 elif check_func pthread_join -lpthreadGC2; then
4267 add_extralibs -lpthreadGC2
4268 elif check_lib pthread.h pthread_join -lpthread; then
4270 elif ! check_func pthread_join; then
4275 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4276 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4278 check_lib math.h sin -lm && LIBM="-lm"
4279 enabled vaapi && require vaapi va/va.h vaInitialize -lva
4285 for func in $MATH_FUNCS; do
4286 eval check_mathfunc $func \${${func}_args:-1}
4289 # these are off by default, so fail if requested and not available
4290 enabled avisynth && { check_lib2 "avisynth/avisynth_c.h windows.h" LoadLibrary ||
4291 check_lib2 "avxsynth/avxsynth_c.h dlfcn.h" dlopen -ldl ||
4292 die "ERROR: LoadLibrary/dlopen not found, or avisynth header not found"; }
4293 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4294 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4295 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4296 enabled libdcadec && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec
4297 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4298 enabled libfdk_aac && require_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen
4299 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4300 enabled libfreetype && require_pkg_config freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
4301 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4302 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4303 done || die "ERROR: libgsm not found"; }
4304 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4305 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
4306 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4307 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4308 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4309 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
4310 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
4311 enabled libopenjpeg && { { check_header openjpeg.h && check_lib2 openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC; } ||
4312 { require_pkg_config libopenjpeg1 openjpeg.h opj_version -DOPJ_STATIC; } }
4313 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4314 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4315 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4316 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4317 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
4318 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
4319 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4320 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame
4321 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4322 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4323 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4324 enabled libvpx && require_pkg_config "vpx >= 1.3.0" vpx/vpx_codec.h vpx_codec_version && {
4325 enabled libvpx_vp8_decoder && {
4326 check_pkg_config vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
4327 disable libvpx_vp8_decoder;
4329 enabled libvpx_vp8_encoder && {
4330 check_pkg_config vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
4331 disable libvpx_vp8_encoder;
4333 enabled libvpx_vp9_decoder && {
4334 check_pkg_config vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
4335 disable libvpx_vp9_decoder;
4337 enabled libvpx_vp9_encoder && {
4338 check_pkg_config vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
4339 disable libvpx_vp9_encoder;
4341 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
4342 die "libvpx enabled but no supported decoders found"
4345 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4346 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4347 enabled libx264 && require_pkg_config x264 "stdint.h x264.h" x264_encoder_encode &&
4348 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4349 die "ERROR: libx264 version must be >= 0.118."; }
4350 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
4351 { check_cpp_condition x265.h "X265_BUILD >= 57" ||
4352 die "ERROR: libx265 version must be >= 57."; }
4353 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4354 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4355 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
4356 { ! enabled cross_compile && {
4357 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
4358 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
4359 check_lib interface/mmal/mmal.h mmal_port_connect ; }
4360 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
4361 die "ERROR: mmal not found"; }
4362 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4363 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4364 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4365 die "ERROR: openssl not found"; }
4367 if enabled gnutls; then
4368 { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } ||
4369 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4373 if enabled libdc1394; then
4374 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
4375 enable libdc1394_2; } ||
4376 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4377 enable libdc1394_1; } ||
4378 die "ERROR: No version of libdc1394 found "
4381 if enabled nvenc; then
4382 check_header cuda.h || die "ERROR: cuda.h not found.";
4383 check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found.";
4384 check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
4385 die "ERROR: NVENC API version 4 or older is not supported";
4388 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4389 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4390 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4394 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4395 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
4397 check_header linux/fb.h
4398 check_header linux/videodev2.h
4399 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
4401 check_header sys/videoio.h
4403 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4404 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4405 # w32api 3.12 had it defined wrong
4406 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4408 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4409 { check_header dev/bktr/ioctl_meteor.h &&
4410 check_header dev/bktr/ioctl_bt848.h; } ||
4411 { check_header machine/ioctl_meteor.h &&
4412 check_header machine/ioctl_bt848.h; } ||
4413 { check_header dev/video/meteor/ioctl_meteor.h &&
4414 check_header dev/video/bktr/ioctl_bt848.h; } ||
4415 check_header dev/ic/bt8xx.h
4417 check_header sndio.h
4418 check_header sys/soundcard.h
4419 check_header soundcard.h
4421 enabled_any alsa_indev alsa_outdev &&
4422 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4424 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
4425 check_func jack_port_get_latency_range -ljack
4427 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4429 if enabled libcdio; then
4430 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4431 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4432 die "ERROR: No usable libcdio/cdparanoia found"
4435 check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib
4437 if enabled libxcb || enabled x11grab && ! disabled libxcb; then
4438 check_pkg_config xcb-shape xcb/shape.h xcb_shape_rectangles || {
4439 enabled libxcb && die "ERROR: libxcb not found";
4440 } && disable x11grab && enable libxcb
4442 disabled libxcb_shm ||
4443 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
4444 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
4445 } && check_header sys/shm.h && enable libxcb_shm
4447 disabled libxcb_xfixes ||
4448 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
4449 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
4450 } && enable libxcb_xfixes
4452 add_cflags "$xcb_event_cflags $xcb_shm_cflags $xcb_xfixes_cflags"
4453 add_extralibs "$xcb_event_libs $xcb_shm_libs $xcb_xfixes_libs"
4456 if enabled x11grab; then
4457 enabled xlib || die "ERROR: Xlib not found"
4458 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
4459 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
4462 enabled vaapi && enabled xlib &&
4463 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
4467 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4470 enabled vdpau && enabled xlib &&
4471 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4472 prepend avconv_libs $($ldflags_filter "-lvdpau") &&
4475 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4477 # add some useful compiler flags if supported
4478 check_cflags -Wdeclaration-after-statement
4480 check_cflags -Wdisabled-optimization
4481 check_cflags -Wpointer-arith
4482 check_cflags -Wredundant-decls
4483 check_cflags -Wcast-qual
4484 check_cflags -Wwrite-strings
4485 check_cflags -Wtype-limits
4486 check_cflags -Wundef
4487 check_cflags -Wmissing-prototypes
4488 check_cflags -Wstrict-prototypes
4489 enabled extra_warnings && check_cflags -Winline
4491 check_disable_warning(){
4492 warning_flag=-W${1#-Wno-}
4493 test_cflags $warning_flag && add_cflags $1
4496 check_disable_warning -Wno-parentheses
4497 check_disable_warning -Wno-switch
4498 check_disable_warning -Wno-format-zero-length
4499 check_disable_warning -Wno-pointer-sign
4501 # add some linker flags
4502 check_ldflags -Wl,--warn-common
4503 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4504 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
4505 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4507 # add some strip flags
4508 # -wN '..@*' is more selective than -x, but not available everywhere.
4509 check_stripflags -wN \'..@*\' || check_stripflags -x || strip='true'
4511 enabled neon_clobber_test &&
4512 check_ldflags -Wl,--wrap,avcodec_open2 \
4513 -Wl,--wrap,avcodec_decode_audio4 \
4514 -Wl,--wrap,avcodec_decode_video2 \
4515 -Wl,--wrap,avcodec_decode_subtitle2 \
4516 -Wl,--wrap,avcodec_encode_audio2 \
4517 -Wl,--wrap,avcodec_encode_video2 \
4518 -Wl,--wrap,avcodec_encode_subtitle \
4519 -Wl,--wrap,avresample_convert ||
4520 disable neon_clobber_test
4522 enabled xmm_clobber_test &&
4523 check_ldflags -Wl,--wrap,avcodec_open2 \
4524 -Wl,--wrap,avcodec_decode_audio4 \
4525 -Wl,--wrap,avcodec_decode_video2 \
4526 -Wl,--wrap,avcodec_decode_subtitle2 \
4527 -Wl,--wrap,avcodec_encode_audio2 \
4528 -Wl,--wrap,avcodec_encode_video2 \
4529 -Wl,--wrap,avcodec_encode_subtitle \
4530 -Wl,--wrap,avresample_convert \
4531 -Wl,--wrap,sws_scale ||
4532 disable xmm_clobber_test
4535 if test_ldflags -Wl,--version-script,$TMPV; then
4536 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4537 check_cc <<EOF && enable symver_asm_label
4538 void ff_foo(void) __asm__ ("av_foo@VERSION");
4539 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4541 check_cc <<EOF && enable symver_gnu_asm
4542 __asm__(".symver ff_foo,av_foo@VERSION");
4543 void ff_foo(void) {}
4547 if [ -z "$optflags" ]; then
4548 if enabled small; then
4549 optflags=$cflags_size
4550 elif enabled optimizations; then
4551 optflags=$cflags_speed
4553 optflags=$cflags_noopt
4559 enabled lto && check_ldflags "$@"
4563 if enabled lto; then
4564 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4566 check_ldflags -flto $cpuflags
4569 check_optflags $optflags
4570 check_optflags -fno-math-errno
4571 check_optflags -fno-signed-zeros
4573 if enabled icc; then
4574 # Just warnings, no remarks
4576 # -wd: Disable following warnings
4577 # 144, 167, 556: -Wno-pointer-sign
4578 # 1292: attribute "foo" ignored
4579 # 1419: external declaration in primary source file
4580 # 10006: ignoring unknown option -fno-signed-zeros
4581 # 10148: ignoring unknown option -Wno-parentheses
4582 # 10156: ignoring option '-W'; no argument required
4583 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
4584 # 11030: Warning unknown option --as-needed
4585 # 10156: ignoring option '-export'; no argument required
4586 check_ldflags -wd10156,11030
4587 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4588 enable ebp_available
4589 if enabled x86_32; then
4590 icc_version=$($cc -dumpversion)
4591 test ${icc_version%%.*} -ge 11 &&
4592 check_cflags -falign-stack=maintain-16-byte ||
4593 disable aligned_stack
4595 elif enabled ccc; then
4596 # disable some annoying warnings
4597 add_cflags -msg_disable bitnotint
4598 add_cflags -msg_disable mixfuncvoid
4599 add_cflags -msg_disable nonstandcast
4600 add_cflags -msg_disable unsupieee
4601 elif enabled gcc; then
4602 check_optflags -fno-tree-vectorize
4603 check_cflags -Werror=implicit-function-declaration
4604 check_cflags -Werror=missing-prototypes
4605 check_cflags -Werror=return-type
4606 check_cflags -Werror=declaration-after-statement
4607 check_cflags -Werror=vla
4608 check_cflags -Werror=format-security
4609 check_cflags -fdiagnostics-color=auto
4610 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4611 elif enabled llvm_gcc; then
4612 check_cflags -mllvm -stack-alignment=16
4613 elif enabled clang; then
4614 check_cflags -mllvm -stack-alignment=16
4615 check_cflags -Qunused-arguments
4616 check_cflags -Werror=implicit-function-declaration
4617 check_cflags -Werror=missing-prototypes
4618 check_cflags -Werror=return-type
4619 elif enabled cparser; then
4620 add_cflags -Wno-missing-variable-declarations
4621 add_cflags -Wno-empty-statement
4622 elif enabled armcc; then
4623 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
4624 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
4625 # 2523: use of inline assembly is deprecated
4626 add_cflags -W${armcc_opt},--diag_suppress=2523
4627 add_cflags -W${armcc_opt},--diag_suppress=1207
4628 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4629 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4630 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4631 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4632 elif enabled tms470; then
4633 add_cflags -pds=824 -pds=837
4635 elif enabled pathscale; then
4636 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4637 elif enabled_any msvc icl; then
4638 enabled x86_32 && disable aligned_stack
4639 enabled_all x86_32 debug && add_cflags -Oy-
4640 enabled debug && add_ldflags -debug
4641 enable pragma_deprecated
4642 if enabled icl; then
4643 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4644 # (correctly) on icl 13.x.
4645 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4646 add_cflags -Qansi-alias
4647 # icl will pass the inline asm tests but inline asm is currently
4648 # not supported (build will fail)
4651 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
4652 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
4657 add_asflags -Qunused-arguments
4663 check_ldflags -Qunused-arguments
4669 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4672 add_cppflags -Dmain=plan9_main
4676 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4678 check_deps $CONFIG_LIST \
4683 enabled_all dxva2 CoTaskMemFree &&
4684 prepend avconv_libs $($ldflags_filter "-lole32") &&
4687 ! enabled_any memalign posix_memalign aligned_malloc &&
4688 enabled simd_align_16 && enable memalign_hack
4690 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
4692 for thread in $THREADS_LIST; do
4693 if enabled $thread; then
4694 test -n "$thread_type" &&
4695 die "ERROR: Only one thread type must be selected." ||
4696 thread_type="$thread"
4700 enabled zlib && add_cppflags -DZLIB_CONST
4702 # conditional library dependencies, in linking order
4703 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
4704 enabled resample_filter && prepend avfilter_deps "avresample"
4705 enabled scale_filter && prepend avfilter_deps "swscale"
4707 enabled opus_decoder && prepend avcodec_deps "avresample"
4711 eval "deps=\$$lib_deps"
4712 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
4716 map 'expand_deps $v' $LIBRARY_LIST
4718 echo "install prefix $prefix"
4719 echo "source path $source_path"
4720 echo "C compiler $cc"
4721 echo "C library $libc_type"
4722 if test "$host_cc" != "$cc"; then
4723 echo "host C compiler $host_cc"
4724 echo "host C library $host_libc_type"
4726 echo "ARCH $arch ($cpu)"
4727 if test "$build_suffix" != ""; then
4728 echo "build suffix $build_suffix"
4730 if test "$extra_version" != ""; then
4731 echo "version string suffix $extra_version"
4733 echo "big-endian ${bigendian-no}"
4734 echo "runtime cpu detection ${runtime_cpudetect-no}"
4735 if enabled x86; then
4736 echo "${yasmexe} ${yasm-no}"
4737 echo "MMX enabled ${mmx-no}"
4738 echo "MMXEXT enabled ${mmxext-no}"
4739 echo "3DNow! enabled ${amd3dnow-no}"
4740 echo "3DNow! extended enabled ${amd3dnowext-no}"
4741 echo "SSE enabled ${sse-no}"
4742 echo "SSSE3 enabled ${ssse3-no}"
4743 echo "AVX enabled ${avx-no}"
4744 echo "XOP enabled ${xop-no}"
4745 echo "FMA3 enabled ${fma3-no}"
4746 echo "FMA4 enabled ${fma4-no}"
4747 echo "i686 features enabled ${i686-no}"
4748 echo "CMOV is fast ${fast_cmov-no}"
4749 echo "EBX available ${ebx_available-no}"
4750 echo "EBP available ${ebp_available-no}"
4752 if enabled aarch64; then
4753 echo "NEON enabled ${neon-no}"
4754 echo "VFP enabled ${vfp-no}"
4756 if enabled arm; then
4757 echo "ARMv5TE enabled ${armv5te-no}"
4758 echo "ARMv6 enabled ${armv6-no}"
4759 echo "ARMv6T2 enabled ${armv6t2-no}"
4760 echo "VFP enabled ${vfp-no}"
4761 echo "NEON enabled ${neon-no}"
4763 if enabled ppc; then
4764 echo "AltiVec enabled ${altivec-no}"
4765 echo "VSX enabled ${vsx-no}"
4766 echo "POWER8 enabled ${power8-no}"
4767 echo "PPC 4xx optimizations ${ppc4xx-no}"
4768 echo "dcbzl available ${dcbzl-no}"
4770 echo "debug symbols ${debug-no}"
4771 echo "optimize for size ${small-no}"
4772 echo "optimizations ${optimizations-no}"
4773 echo "static ${static-no}"
4774 echo "shared ${shared-no}"
4775 echo "new filter support ${avfilter-no}"
4776 echo "network support ${network-no}"
4777 echo "threading support ${thread_type-no}"
4778 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4779 echo "SDL support ${sdl-no}"
4780 test -n "$random_seed" &&
4781 echo "random seed ${random_seed}"
4784 echo "External libraries:"
4785 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4788 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4789 echo "Enabled ${type}s:"
4790 eval list=\$$(toupper $type)_LIST
4791 print_enabled '_*' $list | print_3_columns
4795 license="LGPL version 2.1 or later"
4796 if enabled nonfree; then
4797 license="nonfree and unredistributable"
4798 elif enabled gplv3; then
4799 license="GPL version 3 or later"
4800 elif enabled lgplv3; then
4801 license="LGPL version 3 or later"
4802 elif enabled gpl; then
4803 license="GPL version 2 or later"
4806 echo "License: $license"
4808 echo "Creating config.mak and config.h..."
4810 test -e Makefile || echo "include $source_path/Makefile" > Makefile
4812 config_files="$TMPH config.mak"
4814 cat > config.mak <<EOF
4815 # Automatically generated by configure - do not modify!
4816 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
4818 LIBDIR=\$(DESTDIR)$libdir
4819 SHLIBDIR=\$(DESTDIR)$shlibdir
4820 INCDIR=\$(DESTDIR)$incdir
4821 BINDIR=\$(DESTDIR)$bindir
4822 DATADIR=\$(DESTDIR)$datadir
4823 DOCDIR=\$(DESTDIR)$docdir
4824 MANDIR=\$(DESTDIR)$mandir
4825 SRC_PATH=$source_path
4828 INTRINSICS=$intrinsics
4833 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4835 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4857 LDEXEFLAGS=$LDEXEFLAGS
4858 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4859 STRIPFLAGS=$STRIPFLAGS
4860 YASMFLAGS=$YASMFLAGS
4861 BUILDSUF=$build_suffix
4869 EXTRA_VERSION=$extra_version
4871 CCDEP_FLAGS=$CCDEP_FLAGS
4873 ASDEP_FLAGS=$ASDEP_FLAGS
4874 CC_DEPFLAGS=$CC_DEPFLAGS
4875 AS_DEPFLAGS=$AS_DEPFLAGS
4878 HOSTCFLAGS=$host_cflags
4879 HOSTCPPFLAGS=$host_cppflags
4880 HOSTEXESUF=$HOSTEXESUF
4881 HOSTLDFLAGS=$host_ldflags
4884 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4885 HOSTCCDEP=$HOSTCCDEP
4886 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4887 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4891 TARGET_EXEC=$target_exec $target_exec_args
4892 TARGET_PATH=$target_path
4893 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
4894 CFLAGS-avplay=$sdl_cflags
4895 ZLIB=$($ldflags_filter -lz)
4896 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4897 EXTRALIBS=$extralibs
4898 COMPAT_OBJS=$compat_objs
4901 LIBTARGET=${LIBTARGET}
4902 SLIBNAME=${SLIBNAME}
4903 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4904 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4905 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4906 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4907 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4908 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4909 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4910 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4911 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
4916 name=$(toupper $lcname)
4917 file=$source_path/$lcname/version.h
4918 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4919 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4920 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4921 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4922 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4925 map 'get_version $v' $LIBRARY_LIST
4927 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
4929 print_program_libs(){
4930 eval "program_libs=\$${1}_libs"
4931 eval echo "LIBS-${1}=${program_libs}" >> config.mak
4934 map 'print_program_libs $v' $PROGRAM_LIST
4937 /* Automatically generated by configure - do not modify! */
4938 #ifndef LIBAV_CONFIG_H
4939 #define LIBAV_CONFIG_H
4940 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
4941 #define LIBAV_LICENSE "$(c_escape $license)"
4942 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4943 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4944 #define restrict $_restrict
4945 #define EXTERN_PREFIX "${extern_prefix}"
4946 #define EXTERN_ASM ${extern_prefix}
4947 #define SLIBSUF "$SLIBSUF"
4950 test -n "$malloc_prefix" &&
4951 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4953 if enabled yasm; then
4954 append config_files $TMPASM
4958 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
4960 print_config ARCH_ "$config_files" $ARCH_LIST
4961 print_config HAVE_ "$config_files" $HAVE_LIST
4962 print_config CONFIG_ "$config_files" $CONFIG_LIST \
4966 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
4968 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4969 cp_if_changed $TMPH config.h
4972 enabled yasm && cp_if_changed $TMPASM config.asm
4975 /* Generated by ffconf */
4976 #ifndef AVUTIL_AVCONFIG_H
4977 #define AVUTIL_AVCONFIG_H
4980 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4982 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4984 cp_if_changed $TMPH libavutil/avconfig.h
4986 test -n "$WARNINGS" && printf "\n$WARNINGS"
4988 # build pkg-config files
4991 eval printf "\"lib${1} >= \$LIB$(toupper ${1})_VERSION, \""
4994 pkgconfig_generate(){
4996 shortname=${name#lib}${build_suffix}
5000 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
5001 requires=${requires%, }
5002 enabled ${name#lib} || return 0
5004 cat <<EOF > $name/$name.pc
5006 exec_prefix=\${prefix}
5011 Description: $comment
5013 Requires: $(enabled shared || echo $requires)
5014 Requires.private: $(enabled shared && echo $requires)
5016 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
5017 Libs.private: $(enabled shared && echo $libs)
5018 Cflags: -I\${includedir}
5020 cat <<EOF > $name/$name-uninstalled.pc
5023 libdir=\${pcfiledir}
5024 includedir=${source_path}
5027 Description: $comment
5031 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
5032 Cflags: -I\${includedir}
5036 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
5037 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs"
5038 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
5039 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
5040 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
5041 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
5042 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"