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-pod2man do not build manual pages
117 --disable-texi2html do not build HTML documentation
118 --disable-avdevice disable libavdevice build
119 --disable-avcodec disable libavcodec build
120 --disable-avformat disable libavformat build
121 --disable-avutil disable libavutil build
122 --disable-swscale disable libswscale build
123 --disable-avfilter disable video filter support [no]
124 --disable-avresample disable libavresample build [no]
125 --disable-pthreads disable pthreads [auto]
126 --disable-w32threads disable Win32 threads [auto]
127 --disable-network disable network support [no]
128 --disable-dct disable DCT code
129 --disable-error-resilience disable error resilience code
130 --disable-lsp disable LSP code
131 --disable-lzo disable LZO decoder code
132 --disable-mdct disable MDCT code
133 --disable-rdft disable RDFT code
134 --disable-fft disable FFT code
135 --disable-faan disable floating point AAN (I)DCT code
137 Individual component options:
138 --disable-everything disable all components listed below
139 --disable-encoder=NAME disable encoder NAME
140 --enable-encoder=NAME enable encoder NAME
141 --disable-encoders disable all encoders
142 --disable-decoder=NAME disable decoder NAME
143 --enable-decoder=NAME enable decoder NAME
144 --disable-decoders disable all decoders
145 --disable-hwaccel=NAME disable hwaccel NAME
146 --enable-hwaccel=NAME enable hwaccel NAME
147 --disable-hwaccels disable all hwaccels
148 --disable-muxer=NAME disable muxer NAME
149 --enable-muxer=NAME enable muxer NAME
150 --disable-muxers disable all muxers
151 --disable-demuxer=NAME disable demuxer NAME
152 --enable-demuxer=NAME enable demuxer NAME
153 --disable-demuxers disable all demuxers
154 --enable-parser=NAME enable parser NAME
155 --disable-parser=NAME disable parser NAME
156 --disable-parsers disable all parsers
157 --enable-bsf=NAME enable bitstream filter NAME
158 --disable-bsf=NAME disable bitstream filter NAME
159 --disable-bsfs disable all bitstream filters
160 --enable-protocol=NAME enable protocol NAME
161 --disable-protocol=NAME disable protocol NAME
162 --disable-protocols disable all protocols
163 --enable-indev=NAME enable input device NAME
164 --disable-indev=NAME disable input device NAME
165 --disable-indevs disable input devices
166 --enable-outdev=NAME enable output device NAME
167 --disable-outdev=NAME disable output device NAME
168 --disable-outdevs disable output devices
169 --disable-devices disable all devices
170 --enable-filter=NAME enable filter NAME
171 --disable-filter=NAME disable filter NAME
172 --disable-filters disable all filters
174 External library support:
176 Using any of the following switches will allow Libav to link to the
177 corresponding external library. All the components depending on that library
178 will become enabled, if all their other dependencies are met and they are not
179 explicitly disabled. E.g. --enable-libwavpack will enable linking to
180 libwavpack and allow the libwavpack encoder to be built, unless it is
181 specifically disabled with --disable-encoder=libwavpack.
183 Note that only the system libraries are auto-detected. All the other external
184 libraries must be explicitly enabled.
186 Also note that the following help text describes the purpose of the libraries
187 themselves, not all their features will necessarily be usable by Libav.
189 --enable-avisynth video frameserver
190 --enable-bzlib bzip2 compression [autodetect]
191 --enable-frei0r video filtering plugins
192 --enable-gnutls crypto
193 --enable-libbs2b Bauer stereophonic-to-binaural DSP
194 --enable-libcdio audio CD input
195 --enable-libdc1394 IEEE 1394/Firewire camera input
196 --enable-libdcadec DCA audio decoding
197 --enable-libfaac AAC audio encoding
198 --enable-libfdk-aac AAC audio encoding/decoding
199 --enable-libfontconfig font configuration and management
200 --enable-libfreetype font rendering
201 --enable-libgsm GSM audio encoding/decoding
202 --enable-libhdcd HDCD decoding filter
203 --enable-libilbc ILBC audio encoding/decoding
204 --enable-libkvazaar HEVC video encoding
205 --enable-libmp3lame MP3 audio encoding
206 --enable-libopencore-amrnb AMR-NB audio encoding/decoding
207 --enable-libopencore-amrwb AMR-WB audio decoding
208 --enable-libopencv computer vision
209 --enable-libopenh264 H.264 video encoding/decoding
210 --enable-libopenjpeg JPEG 2000 image encoding/decoding
211 --enable-libopus Opus audio encoding/decoding
212 --enable-libpulse Pulseaudio sound server
213 --enable-librtmp RTMP streaming
214 --enable-libschroedinger Dirac video encoding/decoding
215 --enable-libsnappy snappy compression
216 --enable-libspeex Speex audio encoding/decoding
217 --enable-libtheora Theora video encoding/decoding
218 --enable-libtwolame MP2 audio encoding
219 --enable-libvo-aacenc AAC audio encoding
220 --enable-libvo-amrwbenc AMR-WB audio encoding
221 --enable-libvorbis Vorbis audio encoding/decoding
222 --enable-libvpx VP* video encoding/decoding
223 --enable-libwavpack Wavpack audio encoding/decoding
224 --enable-libwebp WebP image encoding/decoding
225 --enable-libx264 H.264 video encoding
226 --enable-libx265 HEVC video encoding
227 --enable-libxavs Chinese AVS video encoding
228 --enable-libxcb X window system protocol communication
229 --enable-libxcb-shm X11 shm communication [auto]
230 --enable-libxcb-xfixes X11 mouse rendering [auto]
231 --enable-libxvid MPEG-4 ASP video encoding
232 --enable-openssl crypto
233 --enable-zlib compression [autodetect]
235 The following libraries provide various hardware acceleration features:
236 --enable-cuda Nvidia CUDA (dynamically linked)
237 --enable-d3d11va Microsoft Direct3D 11 video acceleration [auto]
238 --enable-dxva2 Microsoft DirectX 9 video acceleration [auto]
239 --enable-libmfx Intel MediaSDK (AKA Quick Sync Video)
240 --enable-libnpp Nvidia CUDA processing
241 --enable-mmal Broadcom Multi-Media Abstraction Layer (Raspberry Pi)
242 --enable-nvenc Nvidia video encoding
243 --enable-omx OpenMAX IL
244 --enable-omx-rpi OpenMAX IL for Raspberry Pi
245 --enable-vaapi Video Acceleration API (mainly Unix/Intel)
246 --enable-vda Apple Video Decode Acceleration [auto]
247 --enable-vdpau Nvidia Video Decode and Presentation API for Unix [auto]
250 --arch=ARCH select architecture [$arch]
251 --cpu=CPU select the minimum required CPU (affects
252 instruction selection, may crash on older CPUs)
253 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
254 --enable-cross-compile assume a cross-compiler is used
255 --sysroot=PATH root of cross-build tree
256 --sysinclude=PATH location of cross-build system headers
257 --target-os=OS compiler targets OS [$target_os]
258 --target-exec=CMD command to run executables on target
259 --target-path=DIR path to view of build directory on target
260 --target-samples=DIR path to samples directory on target
261 --toolchain=NAME set tool defaults according to NAME
263 --ar=AR use archive tool AR [$ar_default]
264 --as=AS use assembler AS [$as_default]
265 --cc=CC use C compiler CC [$cc_default]
266 --objcc=OCC use ObjC compiler OCC [$cc_default]
267 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
268 --ld=LD use linker LD
269 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
270 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
271 --host-cc=HOSTCC use host C compiler HOSTCC
272 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
273 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
274 --host-ld=HOSTLD use host linker HOSTLD
275 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
276 --host-libs=HLIBS use libs HLIBS when linking for host
277 --host-os=OS compiler host OS [$target_os]
278 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
279 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
280 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
281 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
282 --extra-libs=ELIBS add ELIBS [$ELIBS]
283 --extra-version=STRING version string suffix []
284 --optflags=OPTFLAGS override optimization-related compiler flags
285 --build-suffix=SUFFIX library name suffix []
286 --enable-pic build position-independent code
287 --enable-thumb compile for Thumb instruction set
288 --enable-lto use link-time optimization
289 --env="ENV=override" override the environment variables
291 Advanced options (experts only):
292 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
293 --custom-allocator=NAME use a supported custom allocator
294 --disable-symver disable symbol versioning
295 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
296 --disable-safe-bitstream-reader
297 disable buffer boundary checking in bitreaders
298 (faster, but may crash)
299 --enable-sram allow use of on-chip SRAM
301 Optimization options (experts only):
302 --disable-asm disable all assembly optimizations
303 --disable-altivec disable AltiVec optimizations
304 --disable-vsx disable VSX optimizations
305 --disable-power8 disable POWER8 optimizations
306 --disable-amd3dnow disable 3DNow! optimizations
307 --disable-amd3dnowext disable 3DNow! extended optimizations
308 --disable-mmx disable MMX optimizations
309 --disable-mmxext disable MMXEXT optimizations
310 --disable-sse disable SSE optimizations
311 --disable-sse2 disable SSE2 optimizations
312 --disable-sse3 disable SSE3 optimizations
313 --disable-ssse3 disable SSSE3 optimizations
314 --disable-sse4 disable SSE4 optimizations
315 --disable-sse42 disable SSE4.2 optimizations
316 --disable-avx disable AVX optimizations
317 --disable-xop disable XOP optimizations
318 --disable-fma3 disable FMA3 optimizations
319 --disable-fma4 disable FMA4 optimizations
320 --disable-avx2 disable AVX2 optimizations
321 --disable-armv5te disable armv5te optimizations
322 --disable-armv6 disable armv6 optimizations
323 --disable-armv6t2 disable armv6t2 optimizations
324 --disable-vfp disable VFP optimizations
325 --disable-neon disable NEON optimizations
326 --disable-inline-asm disable use of inline assembly
327 --disable-yasm disable use of nasm/yasm assembly
329 Developer options (useful when working on Libav itself):
330 --disable-debug disable debugging symbols
331 --enable-debug=LEVEL set the debug level [$debuglevel]
332 --disable-optimizations disable compiler optimizations
333 --enable-extra-warnings enable more compiler warnings
334 --samples=PATH location of test samples for FATE, if not set use
335 \$LIBAV_SAMPLES at make invocation time.
336 --enable-neon-clobber-test check NEON registers for clobbering (should be
337 used only for debugging purposes)
338 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
339 should be used only for debugging purposes)
340 --enable-random randomly enable/disable components
342 --enable-random=LIST randomly enable/disable specific components or
343 --disable-random=LIST component groups. LIST is a comma-separated list
344 of NAME[:PROB] entries where NAME is a component
345 (group) and PROB the probability associated with
347 --random-seed=VALUE seed value for --enable/disable-random
348 --disable-valgrind-backtrace do not print a backtrace under Valgrind
349 (only applies to --disable-optimizations builds)
351 NOTE: Object files are built at the place where configure is launched.
359 echo "$@" >> $logfile
366 printf '%5s %s\n' "${i}" "${line}"
368 done < $1 >> $logfile
379 WARNINGS="${WARNINGS}WARNING: $*\n"
386 If you think configure made a mistake, make sure you are using the latest
387 version from Git. If the latest version fails, report the problem to the
388 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
390 if disabled logging; then
392 Rerun configure with logging enabled (do not use --disable-logging), and
393 include the log this produces with your report.
397 Include the log file "$logfile" produced by configure as this will help
404 # Avoid locale weirdness, besides we really just want to translate ASCII.
406 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
410 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
414 echo "$*" | sed 's/["\\]/\\\0/g'
418 v=$(echo "$1" | sed "s/'/'\\\\''/g")
419 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
424 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
431 eval "case $v in $pat) echo $v ;; esac"
439 eval "case $v in $pat) ;; *) echo $v ;; esac"
446 for v; do eval $m; done
452 for v; do echo ${v}${suffix}; done
467 eval : \${$var:=$value}
472 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
478 eval $(sanitize_var_name "$var")='$*'
482 eval echo \$$(sanitize_var_name "$1")
487 eval level=\${${pvar}_level:=0}
488 eval ${pvar}_${level}="\$$pvar"
489 eval ${pvar}_level=$(($level+1))
495 eval level=\${${pvar}_level:-0}
496 test $level = 0 && continue
497 eval level=$(($level-1))
498 eval $pvar="\${${pvar}_${level}}"
499 eval ${pvar}_level=$level
500 eval unset ${pvar}_${level}
522 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
528 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
534 enabled $var && continue
535 eval sel="\$${var}_select"
536 eval sgs="\$${var}_suggest"
540 enable_deep_weak $sgs
552 disabled $var && continue
561 test "${1#!}" = "$1" && op== || op=!=
562 eval test "x\$${1#!}" $op "xyes"
566 test "${1#!}" = "$1" && op== || op=!=
567 eval test "x\$${1#!}" $op "xno"
572 enabled $opt || return 1
578 disabled $opt || return 1
584 enabled $opt && return 0
590 disabled $opt && return 0
597 eval : \${$opt:=\$${opt}_default}
605 [ $var = $value ] && return 0
613 enabled ${cfg}_checking && die "Circular dependency for $cfg."
614 disabled ${cfg}_checking && continue
615 enable ${cfg}_checking
618 eval dep_all="\$${cfg}_deps"
619 eval dep_any="\$${cfg}_deps_any"
620 eval dep_sel="\$${cfg}_select"
621 eval dep_sgs="\$${cfg}_suggest"
622 eval dep_ifa="\$${cfg}_if"
623 eval dep_ifn="\$${cfg}_if_any"
625 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
626 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
627 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
629 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
630 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
631 enabled_all $dep_all || disable $cfg
632 enabled_any $dep_any || disable $cfg
633 disabled_any $dep_sel && disable $cfg
635 if enabled $cfg; then
637 enable_deep_weak $dep_sgs
640 disable ${cfg}_checking
649 for cfg in $allopts; do
650 enabled $cfg || continue
651 eval dep_extralibs="\$${cfg}_extralibs"
652 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
660 map 'eval echo "$v \${$v:-no}"' "$@" |
661 awk "BEGIN { split(\"$files\", files) }
663 c = \"$pfx\" toupper(\$1);
669 if (file ~ /\\.h\$/) {
670 printf(\"#define %s %d\\n\", c, v) >>file;
671 } else if (file ~ /\\.asm\$/) {
672 printf(\"%%define %s %d\\n\", c, v) >>file;
673 } else if (file ~ /\\.mak\$/) {
674 n = -v ? \"\" : \"!\";
675 printf(\"%s%s=yes\\n\", n, c) >>file;
685 enabled $v && printf "%s\n" ${v%$suf}
692 eval "$var=\"\$$var $*\""
698 eval "$var=\"$* \$$var\""
704 for tok in $(eval echo \$$var); do
705 uniq_list="$(filter_out $tok $uniq_list) $tok"
707 eval "$var=\"${uniq_list}\""
715 append CFLAGS $($cflags_filter "$@")
719 append ASFLAGS $($asflags_filter "$@")
723 append OBJCFLAGS $($objcflags_filter "$@")
727 append LDFLAGS $($ldflags_filter "$@")
731 append LDEXEFLAGS $($ldflags_filter "$@")
735 append STRIPFLAGS "$@"
739 prepend extralibs $($ldflags_filter "$@")
743 append host_cppflags "$@"
747 append host_cflags $($host_cflags_filter "$@")
751 append host_ldflags $($host_ldflags_filter "$@")
755 append compat_objs $1
757 map 'add_cppflags -D$v' "$@"
762 "$@" >> $logfile 2>&1
766 eval printf '%s\\n' $CC_O
770 eval printf '%s\\n' $CC_E
777 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
784 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
791 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
795 eval printf '%s\\n' $AS_O
802 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
806 log check_inline_asm "$@"
811 check_cc "$@" <<EOF && enable $name
812 void foo(void){ __asm__ volatile($code); }
818 check_inline_asm ${1}_inline "\"$2\""
819 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
827 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
831 eval printf '%s\\n' $LD_O
836 flags=$(filter_out '-l*' "$@")
837 libs=$(filter '-l*' "$@")
838 check_cc $($cflags_filter $flags) || return
839 flags=$($ldflags_filter $flags)
840 libs=$($ldflags_filter $libs)
841 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
846 test "${hdr%.h}" = "${hdr}" &&
847 echo "#include $hdr" ||
848 echo "#include <$hdr>"
858 for hdr in $headers; do
861 echo "int main(void) { $code; return 0; }"
862 } | check_$check "$@"
866 log check_cppflags "$@"
867 check_cc "$@" <<EOF && append CPPFLAGS "$@"
874 set -- $($cflags_filter "$@")
881 log check_cflags "$@"
882 test_cflags "$@" && add_cflags "$@"
887 set -- $($cflags_filter "$@")
888 check_objcc "$@" <<EOF
894 log check_cflags "$@"
895 test_objcflags "$@" && add_objcflags "$@"
899 log test_ldflags "$@"
901 int main(void){ return 0; }
906 log check_ldflags "$@"
907 test_ldflags "$@" && add_ldflags "$@"
911 log test_stripflags "$@"
912 # call check_cc to get a fresh TMPO
914 int main(void) { return 0; }
916 check_cmd $strip $STRIPFLAGS "$@" $TMPO
920 log check_stripflags "$@"
921 test_stripflags "$@" && add_stripflags "$@"
925 log check_header "$@"
929 check_cpp "$@" <<EOF && enable_safe $header
940 check_ld "$@" <<EOF && enable $func
942 int main(void){ $func(); }
947 log check_mathfunc "$@"
951 test $narg = 2 && args="f, g" || args="f"
953 check_ld "$@" <<EOF && enable $func
955 float foo(float f, float g) { return $func($args); }
956 int main(void){ return 0; }
960 check_func_headers(){
961 log check_func_headers "$@"
966 for hdr in $headers; do
969 for func in $funcs; do
970 echo "long check_$func(void) { return (long) $func; }"
972 echo "int main(void) { return 0; }"
973 } | check_ld "$@" && enable $funcs && enable_safe $headers
976 check_cpp_condition(){
977 log check_cpp_condition "$@"
984 #error "unsatisfied condition: $condition"
990 log test_cflags_cpp "$@"
994 set -- $($cflags_filter "$flags")
997 #error "unsatisfied condition: $condition"
1007 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1011 log check_pkg_config "$@"
1016 check_cmd $pkg_config --exists --print-errors $pkg || return
1017 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1018 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1019 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1020 set_safe "${pkg}_cflags" $pkg_cflags &&
1021 set_safe "${pkg}_libs" $pkg_libs
1025 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1031 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1032 # are safe but may not be available everywhere. Thus we use
1033 # raise(SIGTERM) instead. The check is run in a subshell so we
1034 # can redirect the "Terminated" message from the shell. SIGBUS
1035 # is not defined by standard C so it is used conditionally.
1037 (check_exec "$@") >> $logfile 2>&1 <<EOF
1039 static void sighandler(int sig){
1045 int (*func_ptr)(void) = foo;
1047 signal(SIGILL, sighandler);
1048 signal(SIGFPE, sighandler);
1049 signal(SIGSEGV, sighandler);
1051 signal(SIGBUS, sighandler);
1063 disable_safe "$type"
1064 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1068 log check_struct "$@"
1073 disable_safe "${struct}_${member}"
1074 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1075 enable_safe "${struct}_${member}"
1079 log check_builtin "$@"
1085 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1088 check_compile_assert(){
1089 log check_compile_assert "$@"
1095 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1103 check_lib "$headers" $func "$@" || die "ERROR: $name not found"
1106 require_pkg_config(){
1108 check_pkg_config "$@" || die "ERROR: $pkg not found"
1109 add_cflags $(get_safe "${pkg}_cflags")
1110 add_extralibs $(get_safe "${pkg}_libs")
1114 eval printf '%s\\n' $HOSTCC_E
1118 eval printf '%s\\n' $HOSTCC_O
1122 log check_host_cc "$@"
1125 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1129 log check_host_cpp "$@"
1132 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1135 check_host_cppflags(){
1136 log check_host_cppflags "$@"
1137 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1142 check_host_cflags(){
1143 log check_host_cflags "$@"
1144 set -- $($host_cflags_filter "$@")
1145 check_host_cc "$@" <<EOF && append host_cflags "$@"
1150 check_host_cpp_condition(){
1151 log check_host_cpp_condition "$@"
1155 check_host_cpp "$@" <<EOF
1158 #error "unsatisfied condition: $condition"
1166 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1170 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1171 mkdir -p "$(dirname $2)"
1175 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1176 # system-dependent things.
1178 AVCODEC_COMPONENTS="
1186 AVDEVICE_COMPONENTS="
1190 AVFILTER_COMPONENTS="
1193 AVFORMAT_COMPONENTS="
1199 AVRESAMPLE_COMPONENTS=""
1200 AVUTIL_COMPONENTS=""
1204 $AVDEVICE_COMPONENTS
1205 $AVFILTER_COMPONENTS
1206 $AVFORMAT_COMPONENTS
1207 $AVRESAMPLE_COMPONENTS
1213 filter_audio_example
1217 transcode_aac_example
1220 HWACCEL_LIBRARY_NONFREE_LIST="
1224 HWACCEL_LIBRARY_LIST="
1225 $HWACCEL_LIBRARY_NONFREE_LIST
1237 EXTERNAL_LIBRARY_GPL_LIST="
1245 EXTERNAL_LIBRARY_NONFREE_LIST="
1251 EXTERNAL_LIBRARY_VERSION3_LIST="
1258 EXTERNAL_LIBRARY_LIST="
1259 $EXTERNAL_LIBRARY_GPL_LIST
1260 $EXTERNAL_LIBRARY_NONFREE_LIST
1261 $EXTERNAL_LIBRARY_VERSION3_LIST
1302 safe_bitstream_reader
1348 $EXTERNAL_LIBRARY_LIST
1349 $HWACCEL_LIBRARY_LIST
1412 ARCH_EXT_LIST_X86_SIMD="
1440 $ARCH_EXT_LIST_X86_SIMD
1445 ARCH_EXT_LIST_MIPS="
1482 sync_val_compare_and_swap
1496 AVFoundation_AVFoundation_h
1501 cdio_paranoia_paranoia_h
1503 dev_bktr_ioctl_bt848_h
1504 dev_bktr_ioctl_meteor_h
1506 dev_video_bktr_ioctl_bt848_h
1507 dev_video_meteor_ioctl_meteor_h
1515 machine_ioctl_bt848_h
1516 machine_ioctl_meteor_h
1581 GetProcessAffinityMask
1582 GetProcessMemoryInfo
1585 GetSystemTimeAsFileTime
1590 jack_port_get_latency_range
1602 SetConsoleTextAttribute
1613 TOOLCHAIN_FEATURES="
1635 CONDITION_VARIABLE_Ptr
1638 struct_group_source_req
1639 struct_ip_mreq_source
1642 struct_rusage_ru_maxrss
1644 struct_sockaddr_sa_len
1645 struct_sockaddr_storage
1646 struct_v4l2_frmivalenum_discrete
1651 $(add_suffix _external $ARCH_EXT_LIST)
1652 $(add_suffix _inline $ARCH_EXT_LIST)
1671 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
1681 # options emitted with CONFIG_ prefix but not available on the command line
1828 # code dependency declarations
1830 # architecture extensions
1835 armv8_deps="aarch64"
1836 neon_deps_any="aarch64 arm"
1837 intrinsics_neon_deps="neon"
1838 vfp_deps_any="aarch64 arm"
1841 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1849 x86_64_select="i686"
1850 x86_64_suggest="fast_cmov"
1853 amd3dnowext_deps="amd3dnow"
1869 mmx_external_deps="yasm"
1870 mmx_inline_deps="inline_asm"
1871 mmx_suggest="mmx_external mmx_inline"
1873 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1874 eval dep=\$${ext}_deps
1875 eval ${ext}_external_deps='"${dep}_external"'
1876 eval ${ext}_inline_deps='"${dep}_inline"'
1877 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1880 aligned_stack_if_any="aarch64 ppc x86"
1881 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1882 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1883 fast_unaligned_if_any="aarch64 ppc x86"
1884 simd_align_16_if_any="altivec neon sse"
1885 simd_align_32_if_any="avx"
1887 # system capabilities
1888 symver_if_any="symver_asm_label symver_gnu_asm"
1889 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1892 atomics_gcc_if="sync_val_compare_and_swap"
1893 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1894 atomics_win32_if="MemoryBarrier"
1895 atomics_native_if_any="$ATOMICS_LIST"
1896 w32threads_deps="atomics_native"
1897 threads_if_any="$THREADS_LIST"
1901 dirac_parse_select="golomb"
1902 error_resilience_select="me_cmp"
1903 faandct_deps="faan fdctdsp"
1904 faanidct_deps="faan idctdsp"
1905 h264dsp_select="startcode"
1906 intrax8_select="blockdsp idctdsp"
1909 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1910 mpeg_er_select="error_resilience"
1911 mpegaudio_select="mpegaudiodsp"
1912 mpegaudiodsp_select="dct"
1913 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1914 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1915 vc1dsp_select="h264chroma qpeldsp startcode"
1917 # decoders / encoders
1918 aac_decoder_select="imdct15 mdct sinewin"
1919 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1920 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1921 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1922 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1923 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1924 adpcm_g722_decoder_select="g722dsp"
1925 adpcm_g722_encoder_select="g722dsp"
1926 aic_decoder_select="golomb idctdsp"
1927 alac_encoder_select="lpc"
1928 als_decoder_select="bswapdsp"
1929 amrnb_decoder_select="lsp"
1930 amrwb_decoder_select="lsp"
1931 amv_decoder_select="sp5x_decoder"
1932 ape_decoder_select="bswapdsp"
1933 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1934 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1935 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1936 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1937 atrac1_decoder_select="mdct sinewin"
1938 atrac3_decoder_select="mdct"
1939 atrac3p_decoder_select="mdct sinewin"
1940 bink_decoder_select="blockdsp hpeldsp"
1941 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1942 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1943 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1944 cllc_decoder_select="bswapdsp"
1945 comfortnoise_encoder_select="lpc"
1946 cook_decoder_select="audiodsp mdct sinewin"
1947 cscd_decoder_select="lzo"
1948 cscd_decoder_suggest="zlib"
1949 dca_decoder_select="fmtconvert mdct"
1950 dds_decoder_select="texturedsp"
1951 dnxhd_decoder_select="blockdsp idctdsp"
1952 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1953 dvvideo_decoder_select="dvprofile idctdsp"
1954 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1955 dxa_decoder_deps="zlib"
1956 dxv_decoder_select="lzf texturedsp"
1957 eac3_decoder_select="ac3_decoder"
1958 eac3_encoder_select="ac3_encoder"
1959 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1960 eatgq_decoder_select="aandcttables idctdsp"
1961 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
1962 exr_decoder_deps="zlib"
1963 ffv1_decoder_select="golomb rangecoder"
1964 ffv1_encoder_select="rangecoder"
1965 ffvhuff_decoder_select="huffyuv_decoder"
1966 ffvhuff_encoder_select="huffyuv_encoder"
1967 fic_decoder_select="golomb"
1968 flac_decoder_select="flacdsp golomb"
1969 flac_encoder_select="bswapdsp flacdsp golomb lpc"
1970 flashsv_decoder_deps="zlib"
1971 flashsv_encoder_deps="zlib"
1972 flashsv2_decoder_deps="zlib"
1973 flv_decoder_select="h263_decoder"
1974 flv_encoder_select="h263_encoder"
1975 fourxm_decoder_select="blockdsp bswapdsp"
1976 fraps_decoder_select="bswapdsp huffman"
1977 g2m_decoder_deps="zlib"
1978 g2m_decoder_select="blockdsp idctdsp jpegtables"
1979 h261_decoder_select="mpeg_er mpegvideo"
1980 h261_encoder_select="aandcttables mpegvideoenc"
1981 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1982 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1983 h263i_decoder_select="h263_decoder"
1984 h263p_encoder_select="h263_encoder"
1985 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
1986 h264_decoder_suggest="error_resilience"
1987 hap_decoder_select="snappy texturedsp"
1988 hap_encoder_deps="libsnappy"
1989 hap_encoder_select="texturedspenc"
1990 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1991 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1992 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1993 iac_decoder_select="imc_decoder"
1994 imc_decoder_select="bswapdsp fft mdct sinewin"
1995 indeo3_decoder_select="hpeldsp"
1996 indeo4_decoder_select="ividsp"
1997 indeo5_decoder_select="ividsp"
1998 interplay_video_decoder_select="hpeldsp"
1999 jpegls_decoder_select="golomb mjpeg_decoder"
2000 jpegls_encoder_select="golomb"
2001 jv_decoder_select="blockdsp"
2002 lagarith_decoder_select="huffyuvdsp"
2003 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2004 loco_decoder_select="golomb"
2005 magicyuv_decoder_select="huffyuvdsp"
2006 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2007 metasound_decoder_select="lsp mdct sinewin"
2008 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2009 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
2010 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2011 mjpegb_decoder_select="mjpeg_decoder"
2012 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2013 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2014 mlp_decoder_select="mlp_parser"
2015 motionpixels_decoder_select="bswapdsp"
2016 mp1_decoder_select="mpegaudio"
2017 mp1float_decoder_select="mpegaudio"
2018 mp2_decoder_select="mpegaudio"
2019 mp2float_decoder_select="mpegaudio"
2020 mp3_decoder_select="mpegaudio"
2021 mp3adu_decoder_select="mpegaudio"
2022 mp3adufloat_decoder_select="mpegaudio"
2023 mp3float_decoder_select="mpegaudio"
2024 mp3on4_decoder_select="mpegaudio"
2025 mp3on4float_decoder_select="mpegaudio"
2026 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2027 mpc8_decoder_select="mpegaudiodsp"
2028 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2029 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2030 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2031 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2032 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2033 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2034 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2035 mpeg4_encoder_select="h263_encoder"
2036 msa1_decoder_select="mss34dsp"
2037 msmpeg4v1_decoder_select="h263_decoder"
2038 msmpeg4v2_decoder_select="h263_decoder"
2039 msmpeg4v2_encoder_select="h263_encoder"
2040 msmpeg4v3_decoder_select="h263_decoder"
2041 msmpeg4v3_encoder_select="h263_encoder"
2042 mss2_decoder_select="error_resilience mpeg_er mpegvideo vc1_decoder"
2043 mts2_decoder_select="mss34dsp"
2044 mxpeg_decoder_select="mjpeg_decoder"
2045 nellymoser_decoder_select="mdct sinewin"
2046 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2047 nuv_decoder_select="idctdsp lzo"
2048 on2avc_decoder_select="mdct"
2049 opus_decoder_deps="avresample"
2050 opus_decoder_select="imdct15"
2051 png_decoder_deps="zlib"
2052 png_encoder_deps="zlib"
2053 png_encoder_select="huffyuvencdsp"
2054 prores_decoder_select="idctdsp"
2055 prores_encoder_select="fdctdsp"
2056 qcelp_decoder_select="lsp"
2057 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2058 ra_144_encoder_select="audio_frame_queue lpc"
2059 ralf_decoder_select="golomb"
2060 rscc_decoder_deps="zlib"
2061 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2062 rv10_encoder_select="h263_encoder"
2063 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2064 rv20_encoder_select="h263_encoder"
2065 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2066 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2067 screenpresso_decoder_deps="zlib"
2068 shorten_decoder_select="golomb"
2069 sipr_decoder_select="lsp"
2070 sp5x_decoder_select="mjpeg_decoder"
2071 svq1_decoder_select="hpeldsp"
2072 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2073 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2074 svq3_decoder_suggest="zlib"
2075 tak_decoder_select="audiodsp"
2076 tdsc_decoder_deps="zlib"
2077 tdsc_decoder_select="mjpeg_decoder"
2078 theora_decoder_select="vp3_decoder"
2079 thp_decoder_select="mjpeg_decoder"
2080 tiff_decoder_suggest="zlib"
2081 tiff_encoder_suggest="zlib"
2082 truehd_decoder_select="mlp_decoder"
2083 truemotion2_decoder_select="bswapdsp"
2084 truespeech_decoder_select="bswapdsp"
2085 tscc_decoder_deps="zlib"
2086 txd_decoder_select="texturedsp"
2087 twinvq_decoder_select="mdct lsp sinewin"
2088 utvideo_decoder_select="bswapdsp"
2089 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2090 vble_decoder_select="huffyuvdsp"
2091 vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
2092 vc1image_decoder_select="vc1_decoder"
2093 vorbis_decoder_select="mdct"
2094 vorbis_encoder_select="mdct"
2095 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2096 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2097 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2098 vp6a_decoder_select="vp6_decoder"
2099 vp6f_decoder_select="vp6_decoder"
2100 vp7_decoder_select="h264pred videodsp vp8dsp"
2101 vp8_decoder_select="h264pred videodsp vp8dsp"
2102 vp9_decoder_select="videodsp"
2103 webp_decoder_select="vp8_decoder"
2104 wmapro_decoder_select="mdct sinewin wma_freqs"
2105 wmav1_decoder_select="mdct sinewin wma_freqs"
2106 wmav1_encoder_select="mdct sinewin wma_freqs"
2107 wmav2_decoder_select="mdct sinewin wma_freqs"
2108 wmav2_encoder_select="mdct sinewin wma_freqs"
2109 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2110 wmv1_decoder_select="h263_decoder"
2111 wmv1_encoder_select="h263_encoder"
2112 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2113 wmv2_encoder_select="h263_encoder wmv2dsp"
2114 wmv3_decoder_select="vc1_decoder"
2115 wmv3image_decoder_select="wmv3_decoder"
2116 zerocodec_decoder_deps="zlib"
2117 zlib_decoder_deps="zlib"
2118 zlib_encoder_deps="zlib"
2119 zmbv_decoder_deps="zlib"
2120 zmbv_encoder_deps="zlib"
2122 # hardware accelerators
2123 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2124 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2125 vaapi_deps="va_va_h"
2126 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2127 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2128 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2130 h263_vaapi_hwaccel_deps="vaapi"
2131 h263_vaapi_hwaccel_select="h263_decoder"
2132 h264_d3d11va_hwaccel_deps="d3d11va"
2133 h264_d3d11va_hwaccel_select="h264_decoder"
2134 h264_dxva2_hwaccel_deps="dxva2"
2135 h264_dxva2_hwaccel_select="h264_decoder"
2136 h264_mmal_decoder_deps="mmal"
2137 h264_mmal_decoder_select="mmal"
2138 h264_mmal_hwaccel_deps="mmal"
2139 h264_omx_encoder_deps="omx"
2140 h264_qsv_hwaccel_deps="libmfx"
2141 h264_vaapi_hwaccel_deps="vaapi"
2142 h264_vaapi_hwaccel_select="h264_decoder"
2143 h264_vda_hwaccel_deps="vda"
2144 h264_vda_hwaccel_select="h264_decoder"
2145 h264_vda_old_hwaccel_deps="vda"
2146 h264_vda_old_hwaccel_select="h264_decoder"
2147 h264_vdpau_hwaccel_deps="vdpau"
2148 h264_vdpau_hwaccel_select="h264_decoder"
2149 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2150 hevc_d3d11va_hwaccel_select="hevc_decoder"
2151 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2152 hevc_dxva2_hwaccel_select="hevc_decoder"
2153 hevc_qsv_hwaccel_deps="libmfx"
2154 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2155 hevc_vdpau_hwaccel_select="hevc_decoder"
2156 mpeg1_vdpau_hwaccel_deps="vdpau"
2157 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2158 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2159 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2160 mpeg2_dxva2_hwaccel_deps="dxva2"
2161 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2162 mpeg2_mmal_decoder_deps="mmal"
2163 mpeg2_mmal_decoder_select="mmal"
2164 mpeg2_mmal_hwaccel_deps="mmal"
2165 mpeg2_qsv_hwaccel_deps="libmfx"
2166 mpeg2_vaapi_hwaccel_deps="vaapi"
2167 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2168 mpeg2_vdpau_hwaccel_deps="vdpau"
2169 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2170 mpeg4_omx_encoder_deps="omx"
2171 mpeg4_vaapi_hwaccel_deps="vaapi"
2172 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2173 mpeg4_vdpau_hwaccel_deps="vdpau"
2174 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2175 vc1_d3d11va_hwaccel_deps="d3d11va"
2176 vc1_d3d11va_hwaccel_select="vc1_decoder"
2177 vc1_dxva2_hwaccel_deps="dxva2"
2178 vc1_dxva2_hwaccel_select="vc1_decoder"
2179 vc1_mmal_decoder_deps="mmal"
2180 vc1_mmal_decoder_select="mmal"
2181 vc1_mmal_hwaccel_deps="mmal"
2182 vc1_vaapi_hwaccel_deps="vaapi"
2183 vc1_vaapi_hwaccel_select="vc1_decoder"
2184 vc1_vdpau_hwaccel_deps="vdpau"
2185 vc1_vdpau_hwaccel_select="vc1_decoder"
2186 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2187 vp8_vaapi_hwaccel_select="vp8_decoder"
2188 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2189 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2190 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2191 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2193 # hardware-accelerated codecs
2194 nvenc_deps_any="dlopen LoadLibrary"
2195 nvenc_extralibs='$ldl'
2196 omx_deps="dlopen pthreads"
2197 omx_extralibs='$ldl'
2200 vaapi_encode_deps="vaapi"
2202 hwupload_cuda_filter_deps="cuda"
2203 scale_npp_filter_deps="cuda libnpp"
2205 h264_nvenc_encoder_deps="nvenc"
2206 h264_qsv_decoder_deps="libmfx"
2207 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2208 h264_qsv_encoder_deps="libmfx"
2209 h264_qsv_encoder_select="qsvenc"
2210 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2211 h264_vaapi_encoder_select="vaapi_encode golomb"
2213 hevc_nvenc_encoder_deps="nvenc"
2214 hevc_qsv_decoder_deps="libmfx"
2215 hevc_qsv_encoder_deps="libmfx"
2216 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser hevc_qsv_hwaccel qsvdec"
2217 hevc_qsv_encoder_select="qsvenc"
2218 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2219 hevc_vaapi_encoder_select="vaapi_encode golomb"
2220 mpeg2_qsv_decoder_deps="libmfx"
2221 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2222 mpeg2_qsv_encoder_deps="libmfx"
2223 mpeg2_qsv_encoder_select="qsvenc"
2225 nvenc_h264_encoder_deps="nvenc"
2226 nvenc_hevc_encoder_deps="nvenc"
2229 h264_parser_select="golomb h264dsp h264parse"
2230 hevc_parser_select="golomb"
2231 mpegvideo_parser_select="mpegvideo"
2232 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2233 vc1_parser_select="vc1dsp"
2236 mjpeg2jpeg_bsf_select="jpegtables"
2238 # external libraries
2239 libdcadec_decoder_deps="libdcadec"
2240 libfaac_encoder_deps="libfaac"
2241 libfaac_encoder_select="audio_frame_queue"
2242 libfdk_aac_decoder_deps="libfdk_aac"
2243 libfdk_aac_encoder_deps="libfdk_aac"
2244 libfdk_aac_encoder_select="audio_frame_queue"
2245 libgsm_decoder_deps="libgsm"
2246 libgsm_encoder_deps="libgsm"
2247 libgsm_ms_decoder_deps="libgsm"
2248 libgsm_ms_encoder_deps="libgsm"
2249 libilbc_decoder_deps="libilbc"
2250 libilbc_encoder_deps="libilbc"
2251 libkvazaar_encoder_deps="libkvazaar"
2252 libmp3lame_encoder_deps="libmp3lame"
2253 libmp3lame_encoder_select="audio_frame_queue"
2254 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2255 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2256 libopencore_amrnb_encoder_select="audio_frame_queue"
2257 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2258 libopenh264_decoder_deps="libopenh264"
2259 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2260 libopenh264_encoder_deps="libopenh264"
2261 libopenjpeg_decoder_deps="libopenjpeg"
2262 libopenjpeg_encoder_deps="libopenjpeg"
2263 libopus_decoder_deps="libopus"
2264 libopus_encoder_deps="libopus"
2265 libopus_encoder_select="audio_frame_queue"
2266 libschroedinger_decoder_deps="libschroedinger"
2267 libschroedinger_encoder_deps="libschroedinger"
2268 libspeex_decoder_deps="libspeex"
2269 libspeex_encoder_deps="libspeex"
2270 libspeex_encoder_select="audio_frame_queue"
2271 libtheora_encoder_deps="libtheora"
2272 libtwolame_encoder_deps="libtwolame"
2273 libvo_aacenc_encoder_deps="libvo_aacenc"
2274 libvo_aacenc_encoder_select="audio_frame_queue"
2275 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2276 libvorbis_encoder_deps="libvorbis"
2277 libvorbis_encoder_select="audio_frame_queue"
2278 libvpx_vp8_decoder_deps="libvpx"
2279 libvpx_vp8_encoder_deps="libvpx"
2280 libvpx_vp9_decoder_deps="libvpx"
2281 libvpx_vp9_encoder_deps="libvpx"
2282 libwavpack_encoder_deps="libwavpack"
2283 libwebp_encoder_deps="libwebp"
2284 libx262_encoder_deps="libx262"
2285 libx264_encoder_deps="libx264"
2286 libx265_encoder_deps="libx265"
2287 libxavs_encoder_deps="libxavs"
2288 libxvid_encoder_deps="libxvid"
2291 ac3_demuxer_select="ac3_parser"
2292 asf_demuxer_select="riffdec"
2293 asf_muxer_select="riffenc"
2294 asf_stream_muxer_select="asf_muxer"
2295 avi_demuxer_select="iso_media riffdec"
2296 avi_muxer_select="riffenc"
2297 avisynth_demuxer_deps="avisynth"
2298 avisynth_demuxer_select="riffdec"
2299 caf_demuxer_select="iso_media riffdec"
2300 dash_muxer_select="mp4_muxer"
2301 dirac_demuxer_select="dirac_parser"
2302 dv_demuxer_select="dvprofile"
2303 dv_muxer_select="dvprofile"
2304 dxa_demuxer_select="riffdec"
2305 eac3_demuxer_select="ac3_parser"
2306 f4v_muxer_select="mov_muxer"
2307 flac_demuxer_select="flac_parser"
2308 hds_muxer_select="flv_muxer"
2309 hls_muxer_select="mpegts_muxer"
2310 ipod_muxer_select="mov_muxer"
2311 ismv_muxer_select="mov_muxer"
2312 matroska_audio_muxer_select="matroska_muxer"
2313 matroska_demuxer_select="iso_media riffdec"
2314 matroska_demuxer_suggest="bzlib lzo zlib"
2315 matroska_muxer_select="iso_media riffenc"
2316 mmf_muxer_select="riffenc"
2317 mov_demuxer_select="iso_media riffdec"
2318 mov_demuxer_suggest="zlib"
2319 mov_muxer_select="iso_media riffenc rtpenc_chain"
2320 mp3_demuxer_select="mpegaudio_parser"
2321 mp4_muxer_select="mov_muxer"
2322 mpegts_demuxer_select="iso_media"
2323 mpegts_muxer_select="adts_muxer latm_muxer"
2324 mpegtsraw_demuxer_select="mpegts_demuxer"
2325 mxf_d10_muxer_select="mxf_muxer"
2326 nut_muxer_select="riffenc"
2327 nuv_demuxer_select="riffdec"
2328 oga_muxer_select="ogg_muxer"
2329 ogg_demuxer_select="dirac_parse"
2330 opus_muxer_select="ogg_muxer"
2331 psp_muxer_select="mov_muxer"
2332 rtp_demuxer_select="sdp_demuxer"
2333 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2334 rtsp_demuxer_select="http_protocol rtpdec"
2335 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2336 sap_demuxer_select="sdp_demuxer"
2337 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2338 sdp_demuxer_select="rtpdec"
2339 smoothstreaming_muxer_select="ismv_muxer"
2340 spdif_muxer_select="aac_parser"
2341 spx_muxer_select="ogg_muxer"
2342 swf_demuxer_suggest="zlib"
2343 tak_demuxer_select="tak_parser"
2344 tg2_muxer_select="mov_muxer"
2345 tgp_muxer_select="mov_muxer"
2346 w64_demuxer_select="wav_demuxer"
2347 wav_demuxer_select="riffdec"
2348 wav_muxer_select="riffenc"
2349 webm_muxer_select="iso_media riffenc"
2350 webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
2351 wtv_demuxer_select="mpegts_demuxer riffdec"
2352 xmv_demuxer_select="riffdec"
2353 xwma_demuxer_select="riffdec"
2356 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2357 alsa_outdev_deps="alsa_asoundlib_h"
2358 avfoundation_indev_deps="AVFoundation_AVFoundation_h"
2359 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2360 dv1394_indev_deps="dv1394"
2361 dv1394_indev_select="dv_demuxer"
2362 fbdev_indev_deps="linux_fb_h"
2363 jack_indev_deps="jack_jack_h"
2364 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2365 libcdio_indev_deps="libcdio"
2366 libdc1394_indev_deps="libdc1394"
2367 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2368 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2369 pulse_indev_deps="libpulse"
2370 sndio_indev_deps="sndio_h"
2371 sndio_outdev_deps="sndio_h"
2372 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2373 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2374 vfwcap_indev_extralibs="-lavicap32"
2375 xcbgrab_indev_deps="libxcb"
2378 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2379 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2380 ffrtmpcrypt_protocol_select="tcp_protocol"
2381 ffrtmphttp_protocol_deps="!librtmp_protocol"
2382 ffrtmphttp_protocol_select="http_protocol"
2383 gopher_protocol_select="network"
2384 http_protocol_select="tcp_protocol"
2385 httpproxy_protocol_select="tcp_protocol"
2386 https_protocol_select="tls_protocol"
2387 icecast_protocol_select="http_protocol"
2388 librtmp_protocol_deps="librtmp"
2389 librtmpe_protocol_deps="librtmp"
2390 librtmps_protocol_deps="librtmp"
2391 librtmpt_protocol_deps="librtmp"
2392 librtmpte_protocol_deps="librtmp"
2393 mmsh_protocol_select="http_protocol"
2394 mmst_protocol_select="network"
2395 rtmp_protocol_deps="!librtmp_protocol"
2396 rtmp_protocol_select="tcp_protocol"
2397 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2398 rtmps_protocol_deps="!librtmp_protocol"
2399 rtmps_protocol_select="tls_protocol"
2400 rtmpt_protocol_select="ffrtmphttp_protocol"
2401 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2402 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2403 rtp_protocol_select="udp_protocol"
2404 sctp_protocol_deps="struct_sctp_event_subscribe"
2405 sctp_protocol_select="network"
2406 srtp_protocol_select="rtp_protocol srtp"
2407 tcp_protocol_select="network"
2408 tls_gnutls_protocol_deps="gnutls"
2409 tls_gnutls_protocol_select="tcp_protocol"
2410 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2411 tls_openssl_protocol_select="tcp_protocol"
2412 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2413 udp_protocol_select="network"
2414 unix_protocol_deps="sys_un_h"
2415 unix_protocol_select="network"
2418 blackframe_filter_deps="gpl"
2419 boxblur_filter_deps="gpl"
2420 bs2b_filter_deps="libbs2b"
2421 cropdetect_filter_deps="gpl"
2422 deinterlace_qsv_filter_deps="libmfx"
2423 delogo_filter_deps="gpl"
2424 drawtext_filter_deps="libfreetype"
2425 frei0r_filter_deps="frei0r dlopen"
2426 frei0r_filter_extralibs='$ldl'
2427 frei0r_src_filter_deps="frei0r dlopen"
2428 frei0r_src_filter_extralibs='$ldl'
2429 hdcd_filter_deps="libhdcd"
2430 hqdn3d_filter_deps="gpl"
2431 interlace_filter_deps="gpl"
2432 ocv_filter_deps="libopencv"
2433 resample_filter_deps="avresample"
2434 scale_filter_deps="swscale"
2435 scale_qsv_filter_deps="libmfx"
2436 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
2439 avcodec_example_deps="avcodec avutil"
2440 filter_audio_example_deps="avfilter avutil"
2441 metadata_example_deps="avformat avutil"
2442 output_example_deps="avcodec avformat avutil swscale"
2443 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2444 transcode_aac_example_deps="avcodec avformat avresample"
2446 # libraries, in linking order
2447 avcodec_deps="avutil"
2448 avdevice_deps="avformat avcodec avutil"
2449 avfilter_deps="avutil"
2450 avformat_deps="avcodec avutil"
2451 avresample_deps="avutil"
2452 swscale_deps="avutil"
2455 avconv_deps="avcodec avfilter avformat avresample swscale"
2456 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2457 fps_filter null_filter resample_filter scale_filter
2459 avplay_deps="avcodec avfilter avformat avresample sdl"
2460 avplay_libs='$sdl_libs'
2461 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2462 avprobe_deps="avcodec avformat"
2466 texi2html_deps="doc"
2468 # default parameters
2470 logfile="config.log"
2472 # installation paths
2473 prefix_default="/usr/local"
2474 bindir_default='${prefix}/bin'
2475 datadir_default='${prefix}/share/avconv'
2476 docdir_default='${prefix}/share/doc/libav'
2477 incdir_default='${prefix}/include'
2478 libdir_default='${prefix}/lib'
2479 mandir_default='${prefix}/share/man'
2480 shlibdir_default="$libdir_default"
2485 host_cc_default="gcc"
2490 pkg_config_default=pkg-config
2493 version_script='--version-script'
2497 arch_default=$(uname -m)
2502 target_os_default=$(tolower $(uname -s))
2503 host_os=$target_os_default
2505 # configurable options
2506 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2511 enable faan faandct faanidct
2512 enable optimizations
2513 enable safe_bitstream_reader
2515 enable swscale_alpha
2516 enable valgrind_backtrace
2518 # By default, enable only those hwaccels that have no external dependencies.
2519 enable d3d11va dxva2 vda vdpau
2522 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2525 FULLNAME='$(NAME)$(BUILDSUF)'
2526 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2529 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2530 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2531 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2532 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2533 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2534 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2535 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
2558 host_cflags_filter=echo
2559 host_ldflags_filter=echo
2561 target_path='$(CURDIR)'
2563 # since the object filename is not given with the -MM flag, the compiler
2564 # is only able to print the basename, and we must add the path ourselves
2565 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2569 if test -f configure; then
2572 source_path=$(cd $(dirname "$0"); pwd)
2573 echo "$source_path" | grep -q '[[:blank:]]' &&
2574 die "Out of tree builds are impossible with whitespace in source path."
2575 test -e "$source_path/config.h" &&
2576 die "Out of tree builds are impossible with config.h in source dir."
2583 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2589 file=$source_path/$3
2590 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2593 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2594 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2595 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2596 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2597 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2598 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2599 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2600 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2601 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2603 find_things_extern(){
2606 file=$source_path/$3
2607 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
2610 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
2611 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
2627 for n in $COMPONENT_LIST; do
2628 v=$(toupper ${n%s})_LIST
2630 eval ${n}_if_any="\$$v"
2633 enable $ARCH_EXT_LIST
2636 echo "Unknown option \"$1\"."
2637 echo "See $0 --help for available options."
2642 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2648 echo $* | sed s/$suffix//g | print_3_columns
2660 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2661 echo "prob ${prob:-0.5}"
2669 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2670 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2679 --extra-ldexeflags=*)
2680 add_ldexeflags $optval
2683 add_extralibs $optval
2686 disable $INDEV_LIST $OUTDEV_LIST
2689 debuglevel="$optval"
2692 disable $PROGRAM_LIST
2694 --disable-everything)
2695 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2698 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2699 disable $LIBRARY_LIST $PROGRAM_LIST doc
2701 --enable-random|--disable-random)
2702 action=${opt%%-random}
2703 do_random ${action#--} $COMPONENT_LIST
2705 --enable-random=*|--disable-random=*)
2706 action=${opt%%-random=*}
2707 do_random ${action#--} $optval
2709 --enable-*=*|--disable-*=*)
2710 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2711 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2712 eval list=\$$(toupper $thing)_LIST
2713 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2714 $action $(filter "$name" $list)
2716 --enable-avserver|--disable-avserver*)
2717 warn "avserver has been removed, the ${opt} option is only"\
2718 "provided for compatibility and will be removed in the future"
2720 --enable-?*|--disable-?*)
2721 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2722 if is_in $option $COMPONENT_LIST; then
2723 test $action = disable && action=unset
2724 eval $action \$$(toupper ${option%s})_LIST
2725 elif is_in $option $CMDLINE_SELECT; then
2732 NAME="${opt#--list-}"
2733 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2735 eval show_list $NAME \$$(toupper $NAME)_LIST
2737 --help|-h) show_help
2740 optname="${opt%%=*}"
2741 optname="${optname#--}"
2742 optname=$(echo "$optname" | sed 's/-/_/g')
2743 if is_in $optname $CMDLINE_SET; then
2744 eval $optname='$optval'
2745 elif is_in $optname $CMDLINE_APPEND; then
2746 append $optname "$optval"
2758 disabled logging && logfile=/dev/null
2760 # Disable all the library-specific components if the library itself
2761 # is disabled, see AVCODEC_LIST and following _LIST variables.
2763 disable_components(){
2764 disabled ${1} && disable $(
2765 eval components="\$$(toupper ${1})_COMPONENTS"
2766 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2770 map 'disable_components $v' $LIBRARY_LIST
2772 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2775 case "$toolchain" in
2777 cc_default="${toolchain%-asan}"
2778 add_cflags -fsanitize=address
2779 add_ldflags -fsanitize=address
2782 cc_default="${toolchain%-msan}"
2783 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
2784 add_ldflags -fsanitize=memory
2787 cc_default="${toolchain%-tsan}"
2788 add_cflags -fsanitize=thread -pie
2789 add_ldflags -fsanitize=thread -pie
2790 case "$toolchain" in
2798 cc_default="${toolchain%-usan}"
2799 add_cflags -fsanitize=undefined
2800 add_ldflags -fsanitize=undefined
2801 case "$toolchain" in
2808 target_exec_default="valgrind"
2809 case "$toolchain" in
2811 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2814 target_exec_args="--track-origins=yes --leak-check=full"
2819 # Check whether the current MSVC version needs the C99 converter.
2820 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2821 # support enough of C99 to build libav. Default to the new
2822 # behaviour if the regexp was unable to match anything, since this
2823 # successfully parses the version number of existing supported
2824 # versions that require the converter (MSVC 2010 and 2012).
2825 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2826 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2829 cc_default="c99wrap cl"
2831 ld_default="$source_path/compat/windows/mslink"
2832 nm_default="dumpbin -symbols"
2839 target_os_default="win32"
2840 # Use a relative path for TMPDIR. This makes sure all the
2841 # ffconf temp files are written with a relative path, avoiding
2842 # issues with msys/win32 path conversion for MSVC parameters
2843 # such as -Fo<file> or -out:<file>.
2849 nm_default="dumpbin -symbols"
2851 target_os_default="win32"
2855 add_cflags -fprofile-arcs -ftest-coverage
2856 add_ldflags -fprofile-arcs -ftest-coverage
2859 add_cflags -fprofile-arcs -ftest-coverage
2860 add_ldflags --coverage
2863 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2864 add_cflags -fno-strict-overflow -fstack-protector-all
2865 add_ldflags -Wl,-z,relro -Wl,-z,now
2868 die "Unknown toolchain $toolchain"
2872 test -n "$cross_prefix" && enable cross_compile
2874 if enabled cross_compile; then
2875 test -n "$arch" && test -n "$target_os" ||
2876 die "Must specify target arch and OS when cross-compiling"
2879 ar_default="${cross_prefix}${ar_default}"
2880 cc_default="${cross_prefix}${cc_default}"
2881 occ_default="${cross_prefix}${occ_default}"
2882 nm_default="${cross_prefix}${nm_default}"
2883 pkg_config_default="${cross_prefix}${pkg_config_default}"
2884 ranlib="${cross_prefix}${ranlib}"
2885 strip="${cross_prefix}${strip}"
2887 sysinclude_default="${sysroot}/usr/include"
2889 set_default arch cc pkg_config sysinclude target_exec target_os
2890 enabled cross_compile || host_cc_default=$cc
2893 if ! $pkg_config --version >/dev/null 2>&1; then
2894 warn "$pkg_config not found, library detection may fail."
2900 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2904 EXESUF=$(exesuf $target_os)
2905 HOSTEXESUF=$(exesuf $host_os)
2907 # set temporary file name
2908 : ${TMPDIR:=$TEMPDIR}
2912 if ! check_cmd mktemp -u XXXXXX; then
2913 # simple replacement for missing mktemp
2914 # NOT SAFE FOR GENERAL USE
2916 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2921 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2922 (set -C; exec > $tmp) 2>/dev/null ||
2923 die "Unable to create temporary file in $TMPDIR."
2924 append TMPFILES $tmp
2928 trap 'rm -f -- $TMPFILES' EXIT
2932 tmpfile TMPE $EXESUF
2943 # make sure we can execute files in $TMPDIR
2944 cat > $TMPSH 2>> $logfile <<EOF
2947 chmod +x $TMPSH >> $logfile 2>&1
2948 if ! $TMPSH >> $logfile 2>&1; then
2950 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2951 variable to another directory and make sure that it is not mounted noexec.
2953 die "Sanity test failed."
2959 # Filter out MSVC cl.exe options from cflags that shouldn't
2960 # be passed to gas-preprocessor
2970 -std=c99) echo -c99 ;;
2971 -mcpu=*) echo -arch ${flag#*=} ;;
2972 -mieee) echo -ieee ;;
2973 -O*|-fast) echo $flag ;;
2974 -fno-math-errno) echo -assume nomath_errno ;;
2976 -Wall) echo -msg_enable level2 ;;
2977 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2978 -Wl,*) echo $flag ;;
2988 -Wno-switch) echo -Wno-switch-enum ;;
2989 -Wno-format-zero-length) ;;
2990 -Wdisabled-optimization) ;;
2991 -Wno-pointer-sign) echo -Wno-other ;;
2997 msvc_common_flags(){
3000 # In addition to specifying certain flags under the compiler
3001 # specific filters, they must be specified here as well or else the
3002 # generic catch all at the bottom will print the original flag.
3006 -fomit-frame-pointer) ;;
3010 -fno-signed-zeros) ;;
3014 -lz) echo zlib.lib ;;
3015 -lavifil32) echo vfw32.lib ;;
3016 -lavicap32) echo vfw32.lib user32.lib ;;
3017 -lx264) echo libx264.lib ;;
3018 -l*) echo ${flag#-l}.lib ;;
3019 -L*) echo -libpath:${flag#-L} ;;
3026 msvc_common_flags "$@"
3029 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3030 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3031 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3032 -wd4273 -wd4554 -wd4701 ;;
3038 msvc_common_flags "$@"
3041 # Despite what Intel's documentation says -Wall, which is supported
3042 # on Windows, does enable remarks so disable them here.
3043 -Wall) echo $flag -Qdiag-disable:remark ;;
3044 -std=c99) echo -Qstd=c99 ;;
3052 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3053 -fomit-frame-pointer) echo -Mnoframe ;;
3064 case "${flag#*=}" in
3065 native) echo -xtarget=native ;;
3066 v9|niagara) echo -xarch=sparc ;;
3067 ultrasparc) echo -xarch=sparcvis ;;
3068 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3069 i586|pentium) echo -xchip=pentium ;;
3070 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3071 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3072 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3073 pentium4*) echo -xtarget=pentium4 ;;
3074 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3075 *-sse3) echo -xarch=sse3 ;;
3076 core2) echo -xarch=ssse3 -xchip=core2 ;;
3077 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3078 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3079 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3080 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3081 k8|opteron|athlon64|athlon-fx)
3082 echo -xarch=sse2a ;;
3083 athlon*) echo -xarch=pentium_proa ;;
3086 -std=c99) echo -xc99 ;;
3087 -fomit-frame-pointer) echo -xregs=frameptr ;;
3088 -fPIC) echo -KPIC -xcode=pic32 ;;
3089 -W*,*) echo $flag ;;
3090 -f*-*|-W*|-mimpure-text) ;;
3101 case "${flag#*=}" in
3102 armv7-a|cortex-a*) echo -mv=7a8 ;;
3103 armv7-r|cortex-r*) echo -mv=7r4 ;;
3104 armv7-m|cortex-m*) echo -mv=7m3 ;;
3105 armv6*|arm11*) echo -mv=6 ;;
3106 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3108 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3111 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3112 -mfpu=vfp) echo --float_support=vfpv2 ;;
3113 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3114 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3115 -msoft-float) echo --float_support=vfplib ;;
3116 -O[0-3]|-mf=*) echo $flag ;;
3118 -pds=*) echo $flag ;;
3119 -D*|-I*) echo $flag ;;
3120 --gcc|--abi=*) echo $flag ;;
3130 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3131 unset _ld_o _ldflags _ld_lib _ld_path
3132 unset _depflags _DEPCMD _DEPFLAGS
3135 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3137 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3138 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3139 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3142 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3144 gcc_version=$($_cc --version | head -n1)
3145 gcc_basever=$($_cc -dumpversion)
3146 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3147 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3148 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3149 if ! $_cc -dumpversion | grep -q '^2\.'; then
3150 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3154 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3156 _ident=$($_cc --version | head -n1)
3161 elif $_cc -v 2>&1 | grep -q xlc; then
3163 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3165 _cflags_size='-O5 -qcompact'
3166 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3168 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3170 _cflags_speed='-fast'
3172 _flags_filter=ccc_flags
3173 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3174 test -d "$sysroot" || die "No valid sysroot specified."
3176 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3177 armcc_conf="$PWD/armcc.conf"
3178 $_cc --arm_linux_configure \
3179 --arm_linux_config_file="$armcc_conf" \
3180 --configure_sysroot="$sysroot" \
3181 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3182 die "Error creating armcc configuration file."
3183 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3184 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3185 as_default="${cross_prefix}gcc"
3189 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3191 _ident=$($_cc -version | head -n1 | tr -s ' ')
3192 _flags='--gcc --abi=eabi -me'
3195 _depflags='-ppa -ppd=$(@:.o=.d)'
3196 _cflags_speed='-O3 -mf=5'
3197 _cflags_size='-O3 -mf=2'
3198 _flags_filter=tms470_flags
3199 elif $_cc -v 2>&1 | grep -q clang; then
3201 _ident=$($_cc --version 2>/dev/null | head -n1)
3202 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3205 elif $_cc -V 2>&1 | grep -q Sun; then
3207 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3208 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3209 _DEPFLAGS='-xM1 -xc99'
3212 _cflags_size='-O5 -xspace'
3213 _flags_filter=suncc_flags
3214 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3216 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3217 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3220 _flags_filter='filter_out -Wdisabled-optimization'
3221 elif $_cc -v 2>&1 | grep -q Open64; then
3223 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3224 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3227 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3228 elif $_cc -V 2>&1 | grep -q Portland; then
3230 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3231 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3232 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3233 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3235 _flags_filter=pgi_flags
3236 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3238 _ident=$($_cc | head -n1)
3239 # 4509: "This form of conditional instruction is deprecated"
3240 _flags="-nologo -ignore 4509"
3241 _flags_filter=armasm_flags
3242 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3244 _ident=$($_cc 2>&1 | head -n1)
3245 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3246 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3249 if $_cc -nologo- 2>&1 | grep -q Linker; then
3256 _flags_filter=msvc_flags
3258 _ld_path='-libpath:'
3260 elif $_cc 2>&1 | grep -q Intel; then
3262 _ident=$($_cc 2>&1 | head -n1)
3263 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3264 # Not only is O3 broken on 13.x+ but it is slower on all previous
3265 # versions (tested) as well.
3267 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3268 if $_cc 2>&1 | grep -q Linker; then
3275 _flags_filter=icl_flags
3277 _ld_path='-libpath:'
3278 # -Qdiag-error to make icl error when seeing certain unknown arguments
3279 _flags='-nologo -Qdiag-error:4044,10157'
3280 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3281 # with MSVC which enables it by default.
3282 _cflags='-Qms0 -Qvec- -Qsimd- -GS'
3283 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
3284 # lld can emulate multiple different linkers; in ms link.exe mode,
3285 # the -? parameter gives the help output which contains an identifyable
3286 # string, while it gives an error in other modes.
3288 # The link.exe mode doesn't have a switch for getting the version,
3289 # but we can force it back to gnu mode and get the version from there.
3290 _ident=$($_cc -flavor gnu --version)
3292 _flags_filter=msvc_flags
3294 _ld_path='-libpath:'
3295 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3297 _ident=$($_cc --version | head -n1)
3301 _flags_filter=cparser_flags
3304 eval ${pfx}_type=\$_type
3305 eval ${pfx}_ident=\$_ident
3309 eval ${1}_C=\${_cc_c-\${${1}_C}}
3310 eval ${1}_E=\${_cc_e-\${${1}_E}}
3311 eval ${1}_O=\${_cc_o-\${${1}_O}}
3313 if [ -n "$_depflags" ]; then
3314 eval ${1}_DEPFLAGS=\$_depflags
3316 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3317 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3318 eval DEP${1}FLAGS=\$_flags
3323 cflags_filter=$_flags_filter
3324 cflags_speed=$_cflags_speed
3325 cflags_size=$_cflags_size
3326 cflags_noopt=$_cflags_noopt
3327 add_cflags $_flags $_cflags
3328 cc_ldflags=$_ldflags
3331 probe_cc hostcc "$host_cc"
3332 host_cflags_filter=$_flags_filter
3333 add_host_cflags $_flags $_cflags
3336 test -n "$cc_type" && enable $cc_type ||
3337 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3339 : ${as_default:=$cc}
3340 : ${objcc_default:=$cc}
3341 : ${dep_cc_default:=$cc}
3342 : ${ld_default:=$cc}
3343 : ${host_ld_default:=$host_cc}
3344 set_default ar as objcc dep_cc ld host_ld
3347 asflags_filter=$_flags_filter
3348 add_asflags $_flags $_cflags
3351 probe_cc objcc "$objcc"
3352 objcflags_filter=$_flags_filter
3353 add_objcflags $_flags $_cflags
3357 ldflags_filter=$_flags_filter
3358 add_ldflags $_flags $_ldflags
3359 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3361 LD_LIB=${_ld_lib-$LD_LIB}
3362 LD_PATH=${_ld_path-$LD_PATH}
3364 probe_cc hostld "$host_ld"
3365 host_ldflags_filter=$_flags_filter
3366 add_host_ldflags $_flags $_ldflags
3367 HOSTLD_O=${_ld_o-$HOSTLD_O}
3369 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3370 probe_cc depcc "$dep_cc"
3371 CCDEP=${_DEPCMD:-$DEPCMD}
3372 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3376 if $ar 2>&1 | grep -q Microsoft; then
3379 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3382 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3383 arflags='-Xany -r -c'
3390 add_cflags $extra_cflags
3391 add_objcflags $extra_objcflags
3392 add_asflags $extra_cflags
3394 if test -n "$sysroot"; then
3397 add_cppflags --sysroot="$sysroot"
3398 add_ldflags --sysroot="$sysroot"
3401 add_cppflags -I"$sysinclude"
3402 add_ldflags --sysroot="$sysroot"
3407 if test "$cpu" = host; then
3408 enabled cross_compile &&
3409 die "--cpu=host makes no sense when cross-compiling."
3414 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3416 s/.*$1=\\([^ ]*\\).*/\\1/
3421 cpu=$(check_native -march || check_native -mcpu)
3425 test "${cpu:-host}" = host &&
3426 die "--cpu=host not supported with compiler $cc"
3429 # Deal with common $arch aliases
3453 "Power Macintosh"|ppc*|powerpc*)
3468 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3473 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3476 # Add processor-specific flags
3477 if enabled aarch64; then
3481 cpuflags="-march=$cpu"
3484 cpuflags="-mcpu=$cpu"
3488 elif enabled alpha; then
3490 cpuflags="-mcpu=$cpu"
3492 elif enabled arm; then
3495 check_cpp_condition stddef.h \
3496 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3501 if check_arm_arch 4; then echo armv4
3502 elif check_arm_arch 4T; then echo armv4t
3503 elif check_arm_arch 5; then echo armv5
3504 elif check_arm_arch 5E; then echo armv5e
3505 elif check_arm_arch 5T; then echo armv5t
3506 elif check_arm_arch 5TE; then echo armv5te
3507 elif check_arm_arch 5TEJ; then echo armv5te
3508 elif check_arm_arch 6; then echo armv6
3509 elif check_arm_arch 6J; then echo armv6j
3510 elif check_arm_arch 6K; then echo armv6k
3511 elif check_arm_arch 6Z; then echo armv6z
3512 elif check_arm_arch 6ZK; then echo armv6zk
3513 elif check_arm_arch 6T2; then echo armv6t2
3514 elif check_arm_arch 7; then echo armv7
3515 elif check_arm_arch 7A 7_A; then echo armv7-a
3516 elif check_arm_arch 7S; then echo armv7-a
3517 elif check_arm_arch 7R 7_R; then echo armv7-r
3518 elif check_arm_arch 7M 7_M; then echo armv7-m
3519 elif check_arm_arch 7EM 7E_M; then echo armv7-m
3520 elif check_arm_arch 8A 8_A; then echo armv8-a
3524 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3528 cpuflags="-march=$cpu"
3529 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3532 cpuflags="-mcpu=$cpu"
3534 cortex-a*) subarch=armv7a ;;
3535 cortex-r*) subarch=armv7r ;;
3536 cortex-m*) enable thumb; subarch=armv7m ;;
3537 arm11*) subarch=armv6 ;;
3538 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3539 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3540 *) subarch=$(probe_arm_arch) ;;
3546 armv5t*) enable fast_clz ;;
3547 armv[6-8]*) enable fast_clz fast_unaligned ;;
3550 elif enabled avr32; then
3555 cpuflags="-mpart=$cpu"
3559 cpuflags="-march=$cpu"
3563 cpuflags="-mcpu=$cpu"
3567 cpuflags="-march=$cpu"
3571 elif enabled bfin; then
3573 cpuflags="-mcpu=$cpu"
3575 elif enabled mips; then
3577 cpuflags="-march=$cpu"
3579 elif enabled ppc; then
3583 case $(tolower $cpu) in
3584 601|ppc601|powerpc601)
3585 cpuflags="-mcpu=601"
3588 603*|ppc603*|powerpc603*)
3589 cpuflags="-mcpu=603"
3592 604*|ppc604*|powerpc604*)
3593 cpuflags="-mcpu=604"
3596 g3|75*|ppc75*|powerpc75*)
3597 cpuflags="-mcpu=750"
3600 g4|745*|ppc745*|powerpc745*)
3601 cpuflags="-mcpu=7450"
3604 74*|ppc74*|powerpc74*)
3605 cpuflags="-mcpu=7400"
3608 g5|970|ppc970|powerpc970)
3609 cpuflags="-mcpu=970"
3613 cpuflags="-mcpu=$cpu"
3617 cpuflags="-mcpu=$cpu"
3621 cpuflags="-mcpu=cell"
3626 cpuflags="-mcpu=e500mc"
3630 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3635 cpuflags="-mcpu=8540 -mhard-float"
3641 elif enabled sparc; then
3644 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3645 cpuflags="-mcpu=$cpu"
3647 ultrasparc*|niagara[234])
3648 cpuflags="-mcpu=$cpu"
3652 elif enabled x86; then
3656 cpuflags="-march=$cpu"
3660 # targets that do NOT support nopl and conditional mov (cmov)
3661 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3662 cpuflags="-march=$cpu"
3665 # targets that do support nopl and conditional mov (cmov)
3666 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3667 cpuflags="-march=$cpu"
3671 # targets that do support conditional mov but on which it's slow
3672 pentium4|pentium4m|prescott|nocona)
3673 cpuflags="-march=$cpu"
3681 if [ "$cpu" != generic ]; then
3682 add_cflags $cpuflags
3683 add_asflags $cpuflags
3684 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3687 # compiler sanity check
3689 int main(void){ return 0; }
3691 if test "$?" != 0; then
3692 echo "$cc is unable to create an executable file."
3693 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3694 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3695 echo "Only do this if you know what cross compiling means."
3697 die "C compiler test failed."
3700 add_cppflags -D_ISOC99_SOURCE
3702 # some compilers silently accept -std=c11, so we also need to check that the
3703 # version macro is defined properly
3704 if test_cflags_cpp -std=c11 "__STDC_VERSION__ >= 201112L"; then
3707 check_cflags -std=c99
3710 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3713 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3717 add_host_cppflags -D_ISOC99_SOURCE
3718 check_host_cflags -std=c99
3719 check_host_cflags -Wall
3720 check_host_cflags -O3
3726 check_code cc "" "int test[2*($expr) - 1]" &&
3727 subarch=$arch64 || subarch=$arch32
3735 check_64bit mips mips64 '_MIPS_SIM > 1'
3739 check_64bit parisc parisc64 'sizeof(void *) > 4'
3743 check_64bit ppc ppc64 'sizeof(void *) > 4'
3747 check_64bit s390 s390x 'sizeof(void *) > 4'
3751 check_64bit sparc sparc64 'sizeof(void *) > 4'
3755 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3756 if test "$subarch" = "x86_64"; then
3763 enabled spic && enable_weak pic
3769 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3770 enabled shared && add_ldflags -Wl,-brtl
3774 enable section_data_rel_ro
3775 SLIB_INSTALL_NAME='$(SLIBNAME)'
3777 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3780 prefix_default="/boot/common"
3781 network_extralibs="-lnetwork"
3785 SHFLAGS='-shared -Wl,-h,$$(@F)'
3786 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3787 network_extralibs="-lsocket -lnsl"
3788 # When using suncc to build, the Solaris linker will mark
3789 # an executable with each instruction set encountered by
3790 # the Solaris assembler. As our libraries contain their own
3791 # guards for processor-specific code, instead suppress
3792 # generation of the HWCAPS ELF section on Solaris x86 only.
3793 enabled_all suncc x86 &&
3794 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3795 add_ldflags -Wl,-M,mapfile
3796 nm_default='nm -P -g'
3798 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
3802 oss_indev_extralibs="-lossaudio"
3803 oss_outdev_extralibs="-lossaudio"
3808 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3810 oss_indev_extralibs="-lossaudio"
3811 oss_outdev_extralibs="-lossaudio"
3819 add_extralibs -lpoll -lgnugetopt
3822 enabled ppc && add_asflags -force_cpusubtype_ALL
3823 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3824 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3825 add_ldflags -Wl,-dynamic,-search_paths_first
3827 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3828 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3830 enabled x86_64 && objformat="macho64"
3831 enabled_any pic shared ||
3832 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3833 check_header dispatch/dispatch.h &&
3834 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
3837 die "Native MSYS builds are discouraged, please use the MINGW environment."
3840 if test $target_os = "mingw32ce"; then
3846 if enabled x86_64; then
3847 LIBTARGET="i386:x86-64"
3848 elif enabled arm; then
3851 check_ldflags -Wl,--nxcompat
3852 check_ldflags -Wl,--dynamicbase
3853 shlibdir_default="$bindir_default"
3856 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3857 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3858 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3859 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3861 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3862 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3863 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3865 dlltool="${cross_prefix}dlltool"
3871 if enabled shared; then
3872 # Link to the import library instead of the normal static library
3875 # Cannot build both shared and static libs with MSVC or icl.
3878 shlibdir_default="$bindir_default"
3881 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3882 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3883 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3884 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3886 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3887 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3888 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3895 shlibdir_default="$bindir_default"
3898 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3899 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3900 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3902 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3903 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3907 *-dos|freedos|opendos)
3908 network_extralibs="-lsocket"
3911 add_cppflags -U__STRICT_ANSI__
3915 enable section_data_rel_ro
3919 ranlib="echo ignoring ranlib"
3924 add_cppflags -D_GNU_SOURCE
3925 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3926 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3930 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3931 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3932 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3933 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3934 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3935 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3936 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
3937 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3938 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3939 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3943 add_cppflags -D_BSD_SOURCE
3948 add_cppflags -D_QNX_SOURCE
3949 network_extralibs="-lsocket"
3954 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3955 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3956 add_ldflags -Wl,--target1-abs,--no-undefined \
3957 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3958 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3959 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3960 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3961 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3964 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3969 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3970 -D_REENTRANT_SOURCE \
3971 -D_RESEARCH_SOURCE \
3974 add_compat strtod.o strtod=avpriv_strtod
3975 network_extralibs='-lbsd'
3976 exeobjs=compat/plan9/main.o
3982 die "Unknown OS '$target_os'."
3986 # determine libc flavour
3991 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3992 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3993 eval ${pfx}libc_type=uclibc
3994 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3995 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3996 eval ${pfx}libc_type=glibc
3997 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3998 # MinGW headers can be installed on Cygwin, so check for newlib first.
3999 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4000 eval ${pfx}libc_type=newlib
4001 add_${pfx}cppflags -U__STRICT_ANSI__
4002 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4003 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4004 eval ${pfx}libc_type=mingw64
4005 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4006 eval test \$${pfx_no_}cc_type = "gcc" &&
4007 add_${pfx}cppflags -D__printf__=__gnu_printf__
4008 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4009 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4010 eval ${pfx}libc_type=mingw32
4011 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4012 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4013 die "ERROR: MinGW32 runtime version must be >= 3.15."
4014 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4015 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700__" &&
4016 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
4017 eval test \$${pfx_no_}cc_type = "gcc" &&
4018 add_${pfx}cppflags -D__printf__=__gnu_printf__
4019 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4020 eval ${pfx}libc_type=msvcrt
4021 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4022 if [ "$pfx" = host_ ]; then
4023 add_host_cppflags -Dsnprintf=_snprintf
4025 add_compat strtod.o strtod=avpriv_strtod
4026 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4027 _snprintf=avpriv_snprintf \
4028 vsnprintf=avpriv_vsnprintf
4031 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
4032 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4033 # 0x601 by default unless something else is set by the user.
4034 # This can easily lead to us detecting functions only present
4035 # in such new versions and producing binaries requiring windows 7.0.
4036 # Therefore explicitly set the default to XP unless the user has
4037 # set something else on the command line.
4038 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4039 # family. For these cases, configure is free to use any functions
4040 # found in the SDK headers by default. (Alternatively, we could force
4041 # _WIN32_WINNT to 0x0602 in that case.)
4042 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4043 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4044 #ifdef WINAPI_FAMILY
4045 #include <winapifamily.h>
4046 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4051 if [ "$pfx" = "" ]; then
4052 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
4054 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4055 eval ${pfx}libc_type=klibc
4056 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4057 eval ${pfx}libc_type=bionic
4058 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4059 eval ${pfx}libc_type=solaris
4060 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4062 eval ${pfx}libc_type=default