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:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --quiet Suppress showing informative output
67 --list-decoders show all available decoders
68 --list-encoders show all available encoders
69 --list-hwaccels show all available hardware accelerators
70 --list-demuxers show all available demuxers
71 --list-muxers show all available muxers
72 --list-parsers show all available parsers
73 --list-protocols show all available protocols
74 --list-bsfs show all available bitstream filters
75 --list-indevs show all available input devices
76 --list-outdevs show all available output devices
77 --list-filters show all available filters
80 --logfile=FILE log tests and output to FILE [config.log]
81 --disable-logging do not log configure debug information
82 --prefix=PREFIX install in PREFIX [$prefix_default]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --enable-rpath use rpath when linking programs (USE WITH CARE)
93 --enable-gpl allow use of GPL code, the resulting libs
94 and binaries will be under GPL [no]
95 --enable-version3 upgrade (L)GPL to version 3 [no]
96 --enable-nonfree allow use of nonfree code, the resulting libs
97 and binaries will be unredistributable [no]
99 Configuration options:
100 --disable-static do not build static libraries [no]
101 --enable-shared build shared libraries [no]
102 --enable-small optimize for size instead of speed
103 --enable-runtime-cpudetect detect CPU capabilities at runtime (bigger binary)
104 --enable-gray enable full grayscale support (slower color)
105 --disable-swscale-alpha disable alpha channel support in swscale
106 --disable-all disable building components, libraries and programs
109 --disable-programs do not build command line programs
110 --disable-avconv disable avconv build
111 --disable-avplay disable avplay build
112 --disable-avprobe disable avprobe build
113 --disable-avserver deprecated, does nothing
116 --disable-doc do not build documentation
117 --disable-pod2man do not build manual pages
118 --disable-texi2html do not build HTML documentation
119 --disable-avdevice disable libavdevice build
120 --disable-avcodec disable libavcodec build
121 --disable-avformat disable libavformat build
122 --disable-avutil disable libavutil build
123 --disable-swscale disable libswscale build
124 --disable-avfilter disable video filter support [no]
125 --disable-avresample disable libavresample build [no]
126 --disable-pthreads disable pthreads [auto]
127 --disable-w32threads disable Win32 threads [auto]
128 --disable-network disable network support [no]
129 --disable-dct disable DCT code
130 --disable-error-resilience disable error resilience code
131 --disable-lsp disable LSP code
132 --disable-lzo disable LZO decoder code
133 --disable-mdct disable MDCT code
134 --disable-rdft disable RDFT code
135 --disable-fft disable FFT code
136 --disable-faan disable floating point AAN (I)DCT code
138 Individual component options:
139 --disable-everything disable all components listed below
140 --disable-encoder=NAME disable encoder NAME
141 --enable-encoder=NAME enable encoder NAME
142 --disable-encoders disable all encoders
143 --disable-decoder=NAME disable decoder NAME
144 --enable-decoder=NAME enable decoder NAME
145 --disable-decoders disable all decoders
146 --disable-hwaccel=NAME disable hwaccel NAME
147 --enable-hwaccel=NAME enable hwaccel NAME
148 --disable-hwaccels disable all hwaccels
149 --disable-muxer=NAME disable muxer NAME
150 --enable-muxer=NAME enable muxer NAME
151 --disable-muxers disable all muxers
152 --disable-demuxer=NAME disable demuxer NAME
153 --enable-demuxer=NAME enable demuxer NAME
154 --disable-demuxers disable all demuxers
155 --enable-parser=NAME enable parser NAME
156 --disable-parser=NAME disable parser NAME
157 --disable-parsers disable all parsers
158 --enable-bsf=NAME enable bitstream filter NAME
159 --disable-bsf=NAME disable bitstream filter NAME
160 --disable-bsfs disable all bitstream filters
161 --enable-protocol=NAME enable protocol NAME
162 --disable-protocol=NAME disable protocol NAME
163 --disable-protocols disable all protocols
164 --enable-indev=NAME enable input device NAME
165 --disable-indev=NAME disable input device NAME
166 --disable-indevs disable input devices
167 --enable-outdev=NAME enable output device NAME
168 --disable-outdev=NAME disable output device NAME
169 --disable-outdevs disable output devices
170 --disable-devices disable all devices
171 --enable-filter=NAME enable filter NAME
172 --disable-filter=NAME disable filter NAME
173 --disable-filters disable all filters
175 External library support:
177 Using any of the following switches will allow Libav to link to the
178 corresponding external library. All the components depending on that library
179 will become enabled, if all their other dependencies are met and they are not
180 explicitly disabled. E.g. --enable-libwavpack will enable linking to
181 libwavpack and allow the libwavpack encoder to be built, unless it is
182 specifically disabled with --disable-encoder=libwavpack.
184 Note that only the system libraries are auto-detected. All the other external
185 libraries must be explicitly enabled.
187 Also note that the following help text describes the purpose of the libraries
188 themselves, not all their features will necessarily be usable by Libav.
190 --enable-avisynth video frameserver
191 --enable-bzlib bzip2 compression [autodetect]
192 --enable-frei0r video filtering plugins
193 --enable-gnutls crypto
194 --enable-libbs2b Bauer stereophonic-to-binaural DSP
195 --enable-libcdio audio CD input
196 --enable-libdc1394 IEEE 1394/Firewire camera input
197 --enable-libdcadec DCA audio decoding
198 --enable-libfaac AAC audio encoding
199 --enable-libfdk-aac AAC audio encoding/decoding
200 --enable-libfontconfig font configuration and management
201 --enable-libfreetype font rendering
202 --enable-libgsm GSM audio encoding/decoding
203 --enable-libhdcd HDCD decoding filter
204 --enable-libilbc ILBC audio encoding/decoding
205 --enable-libkvazaar HEVC video encoding
206 --enable-libmp3lame MP3 audio encoding
207 --enable-libopencore-amrnb AMR-NB audio encoding/decoding
208 --enable-libopencore-amrwb AMR-WB audio decoding
209 --enable-libopencv computer vision
210 --enable-libopenh264 H.264 video encoding/decoding
211 --enable-libopenjpeg JPEG 2000 image encoding/decoding
212 --enable-libopus Opus audio encoding/decoding
213 --enable-libpulse Pulseaudio sound server
214 --enable-librtmp RTMP streaming
215 --enable-libschroedinger Dirac video encoding/decoding
216 --enable-libsnappy snappy compression
217 --enable-libspeex Speex audio encoding/decoding
218 --enable-libtheora Theora video encoding/decoding
219 --enable-libtwolame MP2 audio encoding
220 --enable-libvo-aacenc AAC audio encoding
221 --enable-libvo-amrwbenc AMR-WB audio encoding
222 --enable-libvorbis Vorbis audio encoding/decoding
223 --enable-libvpx VP* video encoding/decoding
224 --enable-libwavpack Wavpack audio encoding/decoding
225 --enable-libwebp WebP image encoding/decoding
226 --enable-libx264 H.264 video encoding
227 --enable-libx265 HEVC video encoding
228 --enable-libxavs Chinese AVS video encoding
229 --enable-libxcb X window system protocol communication
230 --enable-libxcb-shm X11 shm communication [auto]
231 --enable-libxcb-xfixes X11 mouse rendering [auto]
232 --enable-libxvid MPEG-4 ASP video encoding
233 --enable-openssl crypto
234 --enable-zlib compression [autodetect]
236 The following libraries provide various hardware acceleration features:
237 --enable-cuda Nvidia CUDA (dynamically linked)
238 --enable-d3d11va Microsoft Direct3D 11 video acceleration [auto]
239 --enable-dxva2 Microsoft DirectX 9 video acceleration [auto]
240 --enable-libmfx Intel MediaSDK (AKA Quick Sync Video)
241 --enable-libnpp Nvidia CUDA processing
242 --enable-mmal Broadcom Multi-Media Abstraction Layer (Raspberry Pi)
243 --enable-nvenc Nvidia video encoding
244 --enable-omx OpenMAX IL
245 --enable-omx-rpi OpenMAX IL for Raspberry Pi
246 --enable-vaapi Video Acceleration API (mainly Unix/Intel)
247 --enable-vda Apple Video Decode Acceleration [auto]
248 --enable-vdpau Nvidia Video Decode and Presentation API for Unix [auto]
251 --arch=ARCH select architecture [$arch]
252 --cpu=CPU select the minimum required CPU (affects
253 instruction selection, may crash on older CPUs)
254 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
255 --enable-cross-compile assume a cross-compiler is used
256 --sysroot=PATH root of cross-build tree
257 --sysinclude=PATH location of cross-build system headers
258 --target-os=OS compiler targets OS [$target_os]
259 --target-exec=CMD command to run executables on target
260 --target-path=DIR path to view of build directory on target
261 --target-samples=DIR path to samples directory on target
262 --toolchain=NAME set tool defaults according to NAME
264 --ar=AR use archive tool AR [$ar_default]
265 --as=AS use assembler AS [$as_default]
266 --cc=CC use C compiler CC [$cc_default]
267 --objcc=OCC use ObjC compiler OCC [$cc_default]
268 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
269 --ld=LD use linker LD
270 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
271 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
272 --host-cc=HOSTCC use host C compiler HOSTCC
273 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
274 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
275 --host-ld=HOSTLD use host linker HOSTLD
276 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
277 --host-libs=HLIBS use libs HLIBS when linking for host
278 --host-os=OS compiler host OS [$target_os]
279 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
280 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
281 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
282 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
283 --extra-libs=ELIBS add ELIBS [$ELIBS]
284 --extra-version=STRING version string suffix []
285 --optflags=OPTFLAGS override optimization-related compiler flags
286 --build-suffix=SUFFIX library name suffix []
287 --enable-pic build position-independent code
288 --enable-thumb compile for Thumb instruction set
289 --enable-lto use link-time optimization
290 --env="ENV=override" override the environment variables
292 Advanced options (experts only):
293 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
294 --custom-allocator=NAME use a supported custom allocator
295 --disable-symver disable symbol versioning
296 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
297 --disable-safe-bitstream-reader
298 disable buffer boundary checking in bitreaders
299 (faster, but may crash)
300 --enable-sram allow use of on-chip SRAM
302 Optimization options (experts only):
303 --disable-asm disable all assembly optimizations
304 --disable-altivec disable AltiVec optimizations
305 --disable-vsx disable VSX optimizations
306 --disable-power8 disable POWER8 optimizations
307 --disable-amd3dnow disable 3DNow! optimizations
308 --disable-amd3dnowext disable 3DNow! extended optimizations
309 --disable-mmx disable MMX optimizations
310 --disable-mmxext disable MMXEXT optimizations
311 --disable-sse disable SSE optimizations
312 --disable-sse2 disable SSE2 optimizations
313 --disable-sse3 disable SSE3 optimizations
314 --disable-ssse3 disable SSSE3 optimizations
315 --disable-sse4 disable SSE4 optimizations
316 --disable-sse42 disable SSE4.2 optimizations
317 --disable-avx disable AVX optimizations
318 --disable-xop disable XOP optimizations
319 --disable-fma3 disable FMA3 optimizations
320 --disable-fma4 disable FMA4 optimizations
321 --disable-avx2 disable AVX2 optimizations
322 --disable-armv5te disable armv5te optimizations
323 --disable-armv6 disable armv6 optimizations
324 --disable-armv6t2 disable armv6t2 optimizations
325 --disable-vfp disable VFP optimizations
326 --disable-neon disable NEON optimizations
327 --disable-inline-asm disable use of inline assembly
328 --disable-yasm disable use of nasm/yasm assembly
330 Developer options (useful when working on Libav itself):
331 --disable-debug disable debugging symbols
332 --enable-debug=LEVEL set the debug level [$debuglevel]
333 --disable-optimizations disable compiler optimizations
334 --enable-extra-warnings enable more compiler warnings
335 --samples=PATH location of test samples for FATE, if not set use
336 \$LIBAV_SAMPLES at make invocation time.
337 --enable-neon-clobber-test check NEON registers for clobbering (should be
338 used only for debugging purposes)
339 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
340 should be used only for debugging purposes)
341 --enable-random randomly enable/disable components
343 --enable-random=LIST randomly enable/disable specific components or
344 --disable-random=LIST component groups. LIST is a comma-separated list
345 of NAME[:PROB] entries where NAME is a component
346 (group) and PROB the probability associated with
348 --random-seed=VALUE seed value for --enable/disable-random
349 --disable-valgrind-backtrace do not print a backtrace under Valgrind
350 (only applies to --disable-optimizations builds)
352 NOTE: Object files are built at the place where configure is launched.
360 echo "$@" >> $logfile
367 printf '%5s %s\n' "${i}" "${line}"
369 done < $1 >> $logfile
380 WARNINGS="${WARNINGS}WARNING: $*\n"
387 If you think configure made a mistake, make sure you are using the latest
388 version from Git. If the latest version fails, report the problem to the
389 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
391 if disabled logging; then
393 Rerun configure with logging enabled (do not use --disable-logging), and
394 include the log this produces with your report.
398 Include the log file "$logfile" produced by configure as this will help
405 # Avoid locale weirdness, besides we really just want to translate ASCII.
407 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
411 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
415 echo "$*" | sed 's/["\\]/\\\0/g'
419 v=$(echo "$1" | sed "s/'/'\\\\''/g")
420 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
425 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
432 eval "case $v in $pat) echo $v ;; esac"
440 eval "case $v in $pat) ;; *) echo $v ;; esac"
447 for v; do eval $m; done
453 for v; do echo ${v}${suffix}; done
468 eval : \${$var:=$value}
473 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
479 eval $(sanitize_var_name "$var")='$*'
483 eval echo \$$(sanitize_var_name "$1")
488 eval level=\${${pvar}_level:=0}
489 eval ${pvar}_${level}="\$$pvar"
490 eval ${pvar}_level=$(($level+1))
496 eval level=\${${pvar}_level:-0}
497 test $level = 0 && continue
498 eval level=$(($level-1))
499 eval $pvar="\${${pvar}_${level}}"
500 eval ${pvar}_level=$level
501 eval unset ${pvar}_${level}
523 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
529 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
535 enabled $var && continue
536 eval sel="\$${var}_select"
537 eval sgs="\$${var}_suggest"
541 enable_deep_weak $sgs
553 disabled $var && continue
562 test "${1#!}" = "$1" && op== || op=!=
563 eval test "x\$${1#!}" $op "xyes"
567 test "${1#!}" = "$1" && op== || op=!=
568 eval test "x\$${1#!}" $op "xno"
573 enabled $opt || return 1
579 disabled $opt || return 1
585 enabled $opt && return 0
591 disabled $opt && return 0
598 eval : \${$opt:=\$${opt}_default}
606 [ $var = $value ] && return 0
614 enabled ${cfg}_checking && die "Circular dependency for $cfg."
615 disabled ${cfg}_checking && continue
616 enable ${cfg}_checking
619 eval dep_all="\$${cfg}_deps"
620 eval dep_any="\$${cfg}_deps_any"
621 eval dep_sel="\$${cfg}_select"
622 eval dep_sgs="\$${cfg}_suggest"
623 eval dep_ifa="\$${cfg}_if"
624 eval dep_ifn="\$${cfg}_if_any"
626 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
627 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
628 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
630 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
631 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
632 enabled_all $dep_all || disable $cfg
633 enabled_any $dep_any || disable $cfg
634 disabled_any $dep_sel && disable $cfg
636 if enabled $cfg; then
638 enable_deep_weak $dep_sgs
641 disable ${cfg}_checking
650 for cfg in $allopts; do
651 enabled $cfg || continue
652 eval dep_extralibs="\$${cfg}_extralibs"
653 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
661 map 'eval echo "$v \${$v:-no}"' "$@" |
662 awk "BEGIN { split(\"$files\", files) }
664 c = \"$pfx\" toupper(\$1);
670 if (file ~ /\\.h\$/) {
671 printf(\"#define %s %d\\n\", c, v) >>file;
672 } else if (file ~ /\\.asm\$/) {
673 printf(\"%%define %s %d\\n\", c, v) >>file;
674 } else if (file ~ /\\.mak\$/) {
675 n = -v ? \"\" : \"!\";
676 printf(\"%s%s=yes\\n\", n, c) >>file;
686 enabled $v && printf "%s\n" ${v%$suf}
693 eval "$var=\"\$$var $*\""
699 eval "$var=\"$* \$$var\""
705 for tok in $(eval echo \$$var); do
706 uniq_list="$(filter_out $tok $uniq_list) $tok"
708 eval "$var=\"${uniq_list}\""
716 append CFLAGS $($cflags_filter "$@")
720 append ASFLAGS $($asflags_filter "$@")
724 append OBJCFLAGS $($objcflags_filter "$@")
728 append LDFLAGS $($ldflags_filter "$@")
732 append LDEXEFLAGS $($ldflags_filter "$@")
736 append STRIPFLAGS "$@"
740 prepend extralibs $($ldflags_filter "$@")
744 append host_cppflags "$@"
748 append host_cflags $($host_cflags_filter "$@")
752 append host_ldflags $($host_ldflags_filter "$@")
756 append compat_objs $1
758 map 'add_cppflags -D$v' "$@"
763 "$@" >> $logfile 2>&1
767 eval printf '%s\\n' $CC_O
771 eval printf '%s\\n' $CC_E
778 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
785 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
792 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
796 eval printf '%s\\n' $AS_O
803 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
807 log check_inline_asm "$@"
812 check_cc "$@" <<EOF && enable $name
813 void foo(void){ __asm__ volatile($code); }
819 check_inline_asm ${1}_inline "\"$2\""
820 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
828 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
832 eval printf '%s\\n' $LD_O
837 flags=$(filter_out '-l*' "$@")
838 libs=$(filter '-l*' "$@")
839 check_cc $($cflags_filter $flags) || return
840 flags=$($ldflags_filter $flags)
841 libs=$($ldflags_filter $libs)
842 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
847 test "${hdr%.h}" = "${hdr}" &&
848 echo "#include $hdr" ||
849 echo "#include <$hdr>"
859 for hdr in $headers; do
862 echo "int main(void) { $code; return 0; }"
863 } | check_$check "$@"
867 log check_cppflags "$@"
868 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
875 set -- $($cflags_filter "$@")
882 log check_cflags "$@"
883 test_cflags "$@" && add_cflags "$@"
887 log test_objcflags "$@"
888 set -- $($objcflags_filter "$@")
889 check_objcc "$@" <<EOF
895 log check_objcflags "$@"
896 test_objcflags "$@" && add_objcflags "$@"
900 log test_ldflags "$@"
902 int main(void){ return 0; }
907 log check_ldflags "$@"
908 test_ldflags "$@" && add_ldflags "$@"
912 log test_stripflags "$@"
913 # call check_cc to get a fresh TMPO
915 int main(void) { return 0; }
917 check_cmd $strip $STRIPFLAGS "$@" $TMPO
921 log check_stripflags "$@"
922 test_stripflags "$@" && add_stripflags "$@"
926 log check_header "$@"
930 check_cpp "$@" <<EOF && enable_safe $header
941 check_ld "$@" <<EOF && enable $func
943 int main(void){ $func(); }
948 log check_mathfunc "$@"
952 test $narg = 2 && args="f, g" || args="f"
954 check_ld "$@" <<EOF && enable $func
956 float foo(float f, float g) { return $func($args); }
957 int main(void){ return 0; }
961 check_func_headers(){
962 log check_func_headers "$@"
967 for hdr in $headers; do
970 for func in $funcs; do
971 echo "long check_$func(void) { return (long) $func; }"
973 echo "int main(void) { return 0; }"
974 } | check_ld "$@" && enable $funcs && enable_safe $headers
977 check_cpp_condition(){
978 log check_cpp_condition "$@"
985 #error "unsatisfied condition: $condition"
991 log test_cflags_cpp "$@"
995 set -- $($cflags_filter "$flags")
998 #error "unsatisfied condition: $condition"
1008 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1012 log check_pkg_config "$@"
1017 check_cmd $pkg_config --exists --print-errors $pkg || return
1018 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1019 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1020 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1021 set_safe "${pkg}_cflags" $pkg_cflags &&
1022 set_safe "${pkg}_libs" $pkg_libs
1026 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1030 log check_exec_crash "$@"
1033 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1034 # are safe but may not be available everywhere. Thus we use
1035 # raise(SIGTERM) instead. The check is run in a subshell so we
1036 # can redirect the "Terminated" message from the shell. SIGBUS
1037 # is not defined by standard C so it is used conditionally.
1039 (check_exec "$@") >> $logfile 2>&1 <<EOF
1041 static void sighandler(int sig){
1047 int (*func_ptr)(void) = foo;
1049 signal(SIGILL, sighandler);
1050 signal(SIGFPE, sighandler);
1051 signal(SIGSEGV, sighandler);
1053 signal(SIGBUS, sighandler);
1065 disable_safe "$type"
1066 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1070 log check_struct "$@"
1075 disable_safe "${struct}_${member}"
1076 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1077 enable_safe "${struct}_${member}"
1081 log check_builtin "$@"
1087 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1090 check_compile_assert(){
1091 log check_compile_assert "$@"
1097 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1106 check_lib "$headers" $func "$@" || die "ERROR: $name not found"
1109 require_pkg_config(){
1110 log require_pkg_config "$@"
1112 check_pkg_config "$@" || die "ERROR: $pkg not found"
1113 add_cflags $(get_safe "${pkg}_cflags")
1114 add_extralibs $(get_safe "${pkg}_libs")
1118 eval printf '%s\\n' $HOSTCC_E
1122 eval printf '%s\\n' $HOSTCC_O
1126 log check_host_cc "$@"
1129 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1133 log check_host_cpp "$@"
1136 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1139 check_host_cppflags(){
1140 log check_host_cppflags "$@"
1141 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1146 check_host_cflags(){
1147 log check_host_cflags "$@"
1148 set -- $($host_cflags_filter "$@")
1149 check_host_cc "$@" <<EOF && append host_cflags "$@"
1154 check_host_cpp_condition(){
1155 log check_host_cpp_condition "$@"
1159 check_host_cpp "$@" <<EOF
1162 #error "unsatisfied condition: $condition"
1170 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1174 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1175 mkdir -p "$(dirname $2)"
1179 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1180 # system-dependent things.
1182 AVCODEC_COMPONENTS="
1190 AVDEVICE_COMPONENTS="
1194 AVFILTER_COMPONENTS="
1197 AVFORMAT_COMPONENTS="
1203 AVRESAMPLE_COMPONENTS=""
1204 AVUTIL_COMPONENTS=""
1208 $AVDEVICE_COMPONENTS
1209 $AVFILTER_COMPONENTS
1210 $AVFORMAT_COMPONENTS
1211 $AVRESAMPLE_COMPONENTS
1216 decode_audio_example
1217 decode_video_example
1218 encode_audio_example
1219 encode_video_example
1220 filter_audio_example
1224 transcode_aac_example
1227 HWACCEL_LIBRARY_NONFREE_LIST="
1231 HWACCEL_LIBRARY_LIST="
1232 $HWACCEL_LIBRARY_NONFREE_LIST
1244 EXTERNAL_LIBRARY_GPL_LIST="
1252 EXTERNAL_LIBRARY_NONFREE_LIST="
1258 EXTERNAL_LIBRARY_VERSION3_LIST="
1265 EXTERNAL_LIBRARY_LIST="
1266 $EXTERNAL_LIBRARY_GPL_LIST
1267 $EXTERNAL_LIBRARY_NONFREE_LIST
1268 $EXTERNAL_LIBRARY_VERSION3_LIST
1309 safe_bitstream_reader
1355 $EXTERNAL_LIBRARY_LIST
1356 $HWACCEL_LIBRARY_LIST
1419 ARCH_EXT_LIST_X86_SIMD="
1447 $ARCH_EXT_LIST_X86_SIMD
1452 ARCH_EXT_LIST_MIPS="
1489 sync_val_compare_and_swap
1503 AVFoundation_AVFoundation_h
1508 cdio_paranoia_paranoia_h
1510 dev_bktr_ioctl_bt848_h
1511 dev_bktr_ioctl_meteor_h
1513 dev_video_bktr_ioctl_bt848_h
1514 dev_video_meteor_ioctl_meteor_h
1522 machine_ioctl_bt848_h
1523 machine_ioctl_meteor_h
1588 GetProcessAffinityMask
1589 GetProcessMemoryInfo
1592 GetSystemTimeAsFileTime
1597 jack_port_get_latency_range
1609 SetConsoleTextAttribute
1620 TOOLCHAIN_FEATURES="
1642 CONDITION_VARIABLE_Ptr
1645 struct_group_source_req
1646 struct_ip_mreq_source
1649 struct_rusage_ru_maxrss
1651 struct_sockaddr_sa_len
1652 struct_sockaddr_storage
1653 struct_v4l2_frmivalenum_discrete
1658 $(add_suffix _external $ARCH_EXT_LIST)
1659 $(add_suffix _inline $ARCH_EXT_LIST)
1676 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
1686 # options emitted with CONFIG_ prefix but not available on the command line
1833 # code dependency declarations
1835 # architecture extensions
1840 armv8_deps="aarch64"
1841 neon_deps_any="aarch64 arm"
1842 intrinsics_neon_deps="neon"
1843 vfp_deps_any="aarch64 arm"
1846 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1854 x86_64_select="i686"
1855 x86_64_suggest="fast_cmov"
1858 amd3dnowext_deps="amd3dnow"
1874 mmx_external_deps="yasm"
1875 mmx_inline_deps="inline_asm"
1876 mmx_suggest="mmx_external mmx_inline"
1878 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1879 eval dep=\$${ext}_deps
1880 eval ${ext}_external_deps='"${dep}_external"'
1881 eval ${ext}_inline_deps='"${dep}_inline"'
1882 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1885 aligned_stack_if_any="aarch64 ppc x86"
1886 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1887 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1888 fast_unaligned_if_any="aarch64 ppc x86"
1889 simd_align_16_if_any="altivec neon sse"
1890 simd_align_32_if_any="avx"
1892 # system capabilities
1893 symver_if_any="symver_asm_label symver_gnu_asm"
1894 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1897 atomics_gcc_if="sync_val_compare_and_swap"
1898 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1899 atomics_win32_if="MemoryBarrier"
1900 atomics_native_if_any="$ATOMICS_LIST"
1901 w32threads_deps="atomics_native"
1902 threads_if_any="$THREADS_LIST"
1906 dirac_parse_select="golomb"
1907 error_resilience_select="me_cmp"
1908 faandct_deps="faan fdctdsp"
1909 faanidct_deps="faan idctdsp"
1910 h264dsp_select="startcode"
1911 intrax8_select="blockdsp idctdsp"
1914 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1915 mpeg_er_select="error_resilience"
1916 mpegaudio_select="mpegaudiodsp"
1917 mpegaudiodsp_select="dct"
1918 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1919 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1920 vc1dsp_select="h264chroma qpeldsp startcode"
1922 # decoders / encoders
1923 aac_decoder_select="imdct15 mdct sinewin"
1924 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1925 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1926 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1927 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1928 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1929 adpcm_g722_decoder_select="g722dsp"
1930 adpcm_g722_encoder_select="g722dsp"
1931 aic_decoder_select="golomb idctdsp"
1932 alac_encoder_select="lpc"
1933 als_decoder_select="bswapdsp"
1934 amrnb_decoder_select="lsp"
1935 amrwb_decoder_select="lsp"
1936 amv_decoder_select="sp5x_decoder"
1937 ape_decoder_select="bswapdsp"
1938 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1939 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1940 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1941 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1942 atrac1_decoder_select="mdct sinewin"
1943 atrac3_decoder_select="mdct"
1944 atrac3p_decoder_select="mdct sinewin"
1945 bink_decoder_select="blockdsp hpeldsp"
1946 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1947 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1948 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1949 cllc_decoder_select="bswapdsp"
1950 comfortnoise_encoder_select="lpc"
1951 cook_decoder_select="audiodsp mdct sinewin"
1952 cscd_decoder_select="lzo"
1953 cscd_decoder_suggest="zlib"
1954 dca_decoder_select="fmtconvert mdct"
1955 dds_decoder_select="texturedsp"
1956 dnxhd_decoder_select="blockdsp idctdsp"
1957 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1958 dvvideo_decoder_select="dvprofile idctdsp"
1959 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1960 dxa_decoder_deps="zlib"
1961 dxv_decoder_select="lzf texturedsp"
1962 eac3_decoder_select="ac3_decoder"
1963 eac3_encoder_select="ac3_encoder"
1964 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1965 eatgq_decoder_select="aandcttables idctdsp"
1966 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
1967 exr_decoder_deps="zlib"
1968 ffv1_decoder_select="golomb rangecoder"
1969 ffv1_encoder_select="rangecoder"
1970 ffvhuff_decoder_select="huffyuv_decoder"
1971 ffvhuff_encoder_select="huffyuv_encoder"
1972 fic_decoder_select="golomb"
1973 flac_decoder_select="flacdsp golomb"
1974 flac_encoder_select="bswapdsp flacdsp golomb lpc"
1975 flashsv_decoder_deps="zlib"
1976 flashsv_encoder_deps="zlib"
1977 flashsv2_decoder_deps="zlib"
1978 flv_decoder_select="h263_decoder"
1979 flv_encoder_select="h263_encoder"
1980 fourxm_decoder_select="blockdsp bswapdsp"
1981 fraps_decoder_select="bswapdsp huffman"
1982 g2m_decoder_deps="zlib"
1983 g2m_decoder_select="blockdsp idctdsp jpegtables"
1984 h261_decoder_select="mpeg_er mpegvideo"
1985 h261_encoder_select="aandcttables mpegvideoenc"
1986 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1987 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1988 h263i_decoder_select="h263_decoder"
1989 h263p_encoder_select="h263_encoder"
1990 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
1991 h264_decoder_suggest="error_resilience"
1992 hap_decoder_select="snappy texturedsp"
1993 hap_encoder_deps="libsnappy"
1994 hap_encoder_select="texturedspenc"
1995 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1996 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1997 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1998 iac_decoder_select="imc_decoder"
1999 imc_decoder_select="bswapdsp fft mdct sinewin"
2000 indeo3_decoder_select="hpeldsp"
2001 indeo4_decoder_select="ividsp"
2002 indeo5_decoder_select="ividsp"
2003 interplay_video_decoder_select="hpeldsp"
2004 jpegls_decoder_select="golomb mjpeg_decoder"
2005 jpegls_encoder_select="golomb"
2006 jv_decoder_select="blockdsp"
2007 lagarith_decoder_select="huffyuvdsp"
2008 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2009 loco_decoder_select="golomb"
2010 magicyuv_decoder_select="huffyuvdsp"
2011 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2012 metasound_decoder_select="lsp mdct sinewin"
2013 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2014 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
2015 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2016 mjpegb_decoder_select="mjpeg_decoder"
2017 mlp_decoder_select="mlp_parser"
2018 motionpixels_decoder_select="bswapdsp"
2019 mp1_decoder_select="mpegaudio"
2020 mp1float_decoder_select="mpegaudio"
2021 mp2_decoder_select="mpegaudio"
2022 mp2float_decoder_select="mpegaudio"
2023 mp3_decoder_select="mpegaudio"
2024 mp3adu_decoder_select="mpegaudio"
2025 mp3adufloat_decoder_select="mpegaudio"
2026 mp3float_decoder_select="mpegaudio"
2027 mp3on4_decoder_select="mpegaudio"
2028 mp3on4float_decoder_select="mpegaudio"
2029 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2030 mpc8_decoder_select="mpegaudiodsp"
2031 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2032 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2033 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2034 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2035 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2036 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2037 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2038 mpeg4_encoder_select="h263_encoder"
2039 msa1_decoder_select="mss34dsp"
2040 msmpeg4v1_decoder_select="h263_decoder"
2041 msmpeg4v2_decoder_select="h263_decoder"
2042 msmpeg4v2_encoder_select="h263_encoder"
2043 msmpeg4v3_decoder_select="h263_decoder"
2044 msmpeg4v3_encoder_select="h263_encoder"
2045 mss2_decoder_select="error_resilience mpeg_er mpegvideo vc1_decoder"
2046 mts2_decoder_select="mss34dsp"
2047 mxpeg_decoder_select="mjpeg_decoder"
2048 nellymoser_decoder_select="mdct sinewin"
2049 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2050 nuv_decoder_select="idctdsp lzo"
2051 on2avc_decoder_select="mdct"
2052 opus_decoder_deps="avresample"
2053 opus_decoder_select="imdct15"
2054 png_decoder_deps="zlib"
2055 png_encoder_deps="zlib"
2056 png_encoder_select="huffyuvencdsp"
2057 prores_decoder_select="idctdsp"
2058 prores_encoder_select="fdctdsp"
2059 qcelp_decoder_select="lsp"
2060 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2061 ra_144_encoder_select="audio_frame_queue lpc"
2062 ralf_decoder_select="golomb"
2063 rscc_decoder_deps="zlib"
2064 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2065 rv10_encoder_select="h263_encoder"
2066 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2067 rv20_encoder_select="h263_encoder"
2068 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2069 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2070 screenpresso_decoder_deps="zlib"
2071 shorten_decoder_select="golomb"
2072 sipr_decoder_select="lsp"
2073 sp5x_decoder_select="mjpeg_decoder"
2074 svq1_decoder_select="hpeldsp"
2075 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2076 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2077 svq3_decoder_suggest="zlib"
2078 tak_decoder_select="audiodsp"
2079 tdsc_decoder_deps="zlib"
2080 tdsc_decoder_select="mjpeg_decoder"
2081 theora_decoder_select="vp3_decoder"
2082 thp_decoder_select="mjpeg_decoder"
2083 tiff_decoder_suggest="zlib"
2084 tiff_encoder_suggest="zlib"
2085 truehd_decoder_select="mlp_decoder"
2086 truemotion2_decoder_select="bswapdsp"
2087 truespeech_decoder_select="bswapdsp"
2088 tscc_decoder_deps="zlib"
2089 txd_decoder_select="texturedsp"
2090 twinvq_decoder_select="mdct lsp sinewin"
2091 utvideo_decoder_select="bswapdsp"
2092 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2093 vble_decoder_select="huffyuvdsp"
2094 vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
2095 vc1image_decoder_select="vc1_decoder"
2096 vorbis_decoder_select="mdct"
2097 vorbis_encoder_select="mdct"
2098 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2099 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2100 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2101 vp6a_decoder_select="vp6_decoder"
2102 vp6f_decoder_select="vp6_decoder"
2103 vp7_decoder_select="h264pred videodsp vp8dsp"
2104 vp8_decoder_select="h264pred videodsp vp8dsp"
2105 vp9_decoder_select="videodsp"
2106 webp_decoder_select="vp8_decoder"
2107 wmapro_decoder_select="mdct sinewin wma_freqs"
2108 wmav1_decoder_select="mdct sinewin wma_freqs"
2109 wmav1_encoder_select="mdct sinewin wma_freqs"
2110 wmav2_decoder_select="mdct sinewin wma_freqs"
2111 wmav2_encoder_select="mdct sinewin wma_freqs"
2112 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2113 wmv1_decoder_select="h263_decoder"
2114 wmv1_encoder_select="h263_encoder"
2115 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2116 wmv2_encoder_select="h263_encoder wmv2dsp"
2117 wmv3_decoder_select="vc1_decoder"
2118 wmv3image_decoder_select="wmv3_decoder"
2119 zerocodec_decoder_deps="zlib"
2120 zlib_decoder_deps="zlib"
2121 zlib_encoder_deps="zlib"
2122 zmbv_decoder_deps="zlib"
2123 zmbv_encoder_deps="zlib"
2125 # hardware accelerators
2126 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2127 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2128 vaapi_deps="va_va_h"
2129 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2130 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2131 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2133 h263_vaapi_hwaccel_deps="vaapi"
2134 h263_vaapi_hwaccel_select="h263_decoder"
2135 h264_d3d11va_hwaccel_deps="d3d11va"
2136 h264_d3d11va_hwaccel_select="h264_decoder"
2137 h264_dxva2_hwaccel_deps="dxva2"
2138 h264_dxva2_hwaccel_select="h264_decoder"
2139 h264_mmal_decoder_deps="mmal"
2140 h264_mmal_decoder_select="mmal"
2141 h264_mmal_hwaccel_deps="mmal"
2142 h264_omx_encoder_deps="omx"
2143 h264_qsv_hwaccel_deps="libmfx"
2144 h264_vaapi_hwaccel_deps="vaapi"
2145 h264_vaapi_hwaccel_select="h264_decoder"
2146 h264_vda_hwaccel_deps="vda"
2147 h264_vda_hwaccel_select="h264_decoder"
2148 h264_vda_old_hwaccel_deps="vda"
2149 h264_vda_old_hwaccel_select="h264_decoder"
2150 h264_vdpau_hwaccel_deps="vdpau"
2151 h264_vdpau_hwaccel_select="h264_decoder"
2152 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2153 hevc_d3d11va_hwaccel_select="hevc_decoder"
2154 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2155 hevc_dxva2_hwaccel_select="hevc_decoder"
2156 hevc_qsv_hwaccel_deps="libmfx"
2157 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2158 hevc_vdpau_hwaccel_select="hevc_decoder"
2159 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2160 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2161 mpeg1_vdpau_hwaccel_deps="vdpau"
2162 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2163 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2164 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2165 mpeg2_dxva2_hwaccel_deps="dxva2"
2166 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2167 mpeg2_mmal_decoder_deps="mmal"
2168 mpeg2_mmal_decoder_select="mmal"
2169 mpeg2_mmal_hwaccel_deps="mmal"
2170 mpeg2_qsv_hwaccel_deps="libmfx"
2171 mpeg2_vaapi_hwaccel_deps="vaapi"
2172 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2173 mpeg2_vdpau_hwaccel_deps="vdpau"
2174 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2175 mpeg4_omx_encoder_deps="omx"
2176 mpeg4_vaapi_hwaccel_deps="vaapi"
2177 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2178 mpeg4_vdpau_hwaccel_deps="vdpau"
2179 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2180 vc1_d3d11va_hwaccel_deps="d3d11va"
2181 vc1_d3d11va_hwaccel_select="vc1_decoder"
2182 vc1_dxva2_hwaccel_deps="dxva2"
2183 vc1_dxva2_hwaccel_select="vc1_decoder"
2184 vc1_mmal_decoder_deps="mmal"
2185 vc1_mmal_decoder_select="mmal"
2186 vc1_mmal_hwaccel_deps="mmal"
2187 vc1_qsv_hwaccel_deps="libmfx"
2188 vc1_vaapi_hwaccel_deps="vaapi"
2189 vc1_vaapi_hwaccel_select="vc1_decoder"
2190 vc1_vdpau_hwaccel_deps="vdpau"
2191 vc1_vdpau_hwaccel_select="vc1_decoder"
2192 vp8_qsv_hwaccel_deps="libmfx"
2193 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2194 vp8_vaapi_hwaccel_select="vp8_decoder"
2195 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2196 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2197 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2198 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2200 # hardware-accelerated codecs
2201 nvenc_deps_any="dlopen LoadLibrary"
2202 nvenc_extralibs='$ldl'
2203 omx_deps="dlopen pthreads"
2204 omx_extralibs='$ldl'
2207 vaapi_encode_deps="vaapi"
2209 hwupload_cuda_filter_deps="cuda"
2210 scale_npp_filter_deps="cuda libnpp"
2212 h264_nvenc_encoder_deps="nvenc"
2213 h264_qsv_decoder_deps="libmfx"
2214 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2215 h264_qsv_encoder_deps="libmfx"
2216 h264_qsv_encoder_select="qsvenc"
2217 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2218 h264_vaapi_encoder_select="vaapi_encode golomb"
2220 hevc_nvenc_encoder_deps="nvenc"
2221 hevc_qsv_decoder_deps="libmfx"
2222 hevc_qsv_encoder_deps="libmfx"
2223 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser hevc_qsv_hwaccel qsvdec"
2224 hevc_qsv_encoder_select="qsvenc"
2225 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2226 hevc_vaapi_encoder_select="vaapi_encode golomb"
2227 mpeg2_qsv_decoder_deps="libmfx"
2228 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2229 mpeg2_qsv_encoder_deps="libmfx"
2230 mpeg2_qsv_encoder_select="qsvenc"
2231 vc1_qsv_decoder_deps="libmfx"
2232 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2233 vp8_qsv_decoder_deps="libmfx"
2234 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2236 nvenc_h264_encoder_deps="nvenc"
2237 nvenc_hevc_encoder_deps="nvenc"
2240 h264_parser_select="golomb h264dsp h264parse"
2241 hevc_parser_select="golomb"
2242 mpegvideo_parser_select="mpegvideo"
2243 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2244 vc1_parser_select="vc1dsp"
2247 mjpeg2jpeg_bsf_select="jpegtables"
2249 # external libraries
2250 libdcadec_decoder_deps="libdcadec"
2251 libfaac_encoder_deps="libfaac"
2252 libfaac_encoder_select="audio_frame_queue"
2253 libfdk_aac_decoder_deps="libfdk_aac"
2254 libfdk_aac_encoder_deps="libfdk_aac"
2255 libfdk_aac_encoder_select="audio_frame_queue"
2256 libgsm_decoder_deps="libgsm"
2257 libgsm_encoder_deps="libgsm"
2258 libgsm_ms_decoder_deps="libgsm"
2259 libgsm_ms_encoder_deps="libgsm"
2260 libilbc_decoder_deps="libilbc"
2261 libilbc_encoder_deps="libilbc"
2262 libkvazaar_encoder_deps="libkvazaar"
2263 libmp3lame_encoder_deps="libmp3lame"
2264 libmp3lame_encoder_select="audio_frame_queue"
2265 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2266 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2267 libopencore_amrnb_encoder_select="audio_frame_queue"
2268 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2269 libopenh264_decoder_deps="libopenh264"
2270 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2271 libopenh264_encoder_deps="libopenh264"
2272 libopenjpeg_decoder_deps="libopenjpeg"
2273 libopenjpeg_encoder_deps="libopenjpeg"
2274 libopus_decoder_deps="libopus"
2275 libopus_encoder_deps="libopus"
2276 libopus_encoder_select="audio_frame_queue"
2277 libschroedinger_decoder_deps="libschroedinger"
2278 libschroedinger_encoder_deps="libschroedinger"
2279 libspeex_decoder_deps="libspeex"
2280 libspeex_encoder_deps="libspeex"
2281 libspeex_encoder_select="audio_frame_queue"
2282 libtheora_encoder_deps="libtheora"
2283 libtwolame_encoder_deps="libtwolame"
2284 libvo_aacenc_encoder_deps="libvo_aacenc"
2285 libvo_aacenc_encoder_select="audio_frame_queue"
2286 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2287 libvorbis_encoder_deps="libvorbis"
2288 libvorbis_encoder_select="audio_frame_queue"
2289 libvpx_vp8_decoder_deps="libvpx"
2290 libvpx_vp8_encoder_deps="libvpx"
2291 libvpx_vp9_decoder_deps="libvpx"
2292 libvpx_vp9_encoder_deps="libvpx"
2293 libwavpack_encoder_deps="libwavpack"
2294 libwebp_encoder_deps="libwebp"
2295 libx262_encoder_deps="libx262"
2296 libx264_encoder_deps="libx264"
2297 libx265_encoder_deps="libx265"
2298 libxavs_encoder_deps="libxavs"
2299 libxvid_encoder_deps="libxvid mkstemp"
2302 ac3_demuxer_select="ac3_parser"
2303 asf_demuxer_select="riffdec"
2304 asf_muxer_select="riffenc"
2305 asf_stream_muxer_select="asf_muxer"
2306 avi_demuxer_select="iso_media riffdec"
2307 avi_muxer_select="riffenc"
2308 avisynth_demuxer_deps="avisynth"
2309 avisynth_demuxer_select="riffdec"
2310 caf_demuxer_select="iso_media riffdec"
2311 dash_muxer_select="mp4_muxer"
2312 dirac_demuxer_select="dirac_parser"
2313 dv_demuxer_select="dvprofile"
2314 dv_muxer_select="dvprofile"
2315 dxa_demuxer_select="riffdec"
2316 eac3_demuxer_select="ac3_parser"
2317 f4v_muxer_select="mov_muxer"
2318 flac_demuxer_select="flac_parser"
2319 hds_muxer_select="flv_muxer"
2320 hls_muxer_select="mpegts_muxer"
2321 ipod_muxer_select="mov_muxer"
2322 ismv_muxer_select="mov_muxer"
2323 matroska_audio_muxer_select="matroska_muxer"
2324 matroska_demuxer_select="iso_media riffdec"
2325 matroska_demuxer_suggest="bzlib lzo zlib"
2326 matroska_muxer_select="iso_media riffenc"
2327 mmf_muxer_select="riffenc"
2328 mov_demuxer_select="iso_media riffdec"
2329 mov_demuxer_suggest="zlib"
2330 mov_muxer_select="iso_media riffenc rtpenc_chain"
2331 mp3_demuxer_select="mpegaudio_parser"
2332 mp4_muxer_select="mov_muxer"
2333 mpegts_demuxer_select="iso_media"
2334 mpegts_muxer_select="adts_muxer latm_muxer"
2335 mpegtsraw_demuxer_select="mpegts_demuxer"
2336 mxf_d10_muxer_select="mxf_muxer"
2337 nut_muxer_select="riffenc"
2338 nuv_demuxer_select="riffdec"
2339 oga_muxer_select="ogg_muxer"
2340 ogg_demuxer_select="dirac_parse"
2341 opus_muxer_select="ogg_muxer"
2342 psp_muxer_select="mov_muxer"
2343 rtp_demuxer_select="sdp_demuxer"
2344 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2345 rtsp_demuxer_select="http_protocol rtpdec"
2346 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2347 sap_demuxer_select="sdp_demuxer"
2348 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2349 sdp_demuxer_select="rtpdec"
2350 smoothstreaming_muxer_select="ismv_muxer"
2351 spdif_muxer_select="aac_parser"
2352 spx_muxer_select="ogg_muxer"
2353 swf_demuxer_suggest="zlib"
2354 tak_demuxer_select="tak_parser"
2355 tg2_muxer_select="mov_muxer"
2356 tgp_muxer_select="mov_muxer"
2357 w64_demuxer_select="wav_demuxer"
2358 wav_demuxer_select="riffdec"
2359 wav_muxer_select="riffenc"
2360 webm_muxer_select="iso_media riffenc"
2361 webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
2362 wtv_demuxer_select="mpegts_demuxer riffdec"
2363 xmv_demuxer_select="riffdec"
2364 xwma_demuxer_select="riffdec"
2367 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2368 alsa_outdev_deps="alsa_asoundlib_h"
2369 avfoundation_indev_deps="AVFoundation_AVFoundation_h"
2370 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2371 dv1394_indev_deps="dv1394"
2372 dv1394_indev_select="dv_demuxer"
2373 fbdev_indev_deps="linux_fb_h"
2374 jack_indev_deps="jack_jack_h"
2375 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2376 libcdio_indev_deps="libcdio"
2377 libdc1394_indev_deps="libdc1394"
2378 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2379 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2380 pulse_indev_deps="libpulse"
2381 sndio_indev_deps="sndio_h"
2382 sndio_outdev_deps="sndio_h"
2383 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2384 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2385 vfwcap_indev_extralibs="-lavicap32"
2386 xcbgrab_indev_deps="libxcb"
2389 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2390 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2391 ffrtmpcrypt_protocol_select="tcp_protocol"
2392 ffrtmphttp_protocol_deps="!librtmp_protocol"
2393 ffrtmphttp_protocol_select="http_protocol"
2394 gopher_protocol_select="network"
2395 http_protocol_select="tcp_protocol"
2396 httpproxy_protocol_select="tcp_protocol"
2397 https_protocol_select="tls_protocol"
2398 icecast_protocol_select="http_protocol"
2399 librtmp_protocol_deps="librtmp"
2400 librtmpe_protocol_deps="librtmp"
2401 librtmps_protocol_deps="librtmp"
2402 librtmpt_protocol_deps="librtmp"
2403 librtmpte_protocol_deps="librtmp"
2404 mmsh_protocol_select="http_protocol"
2405 mmst_protocol_select="network"
2406 rtmp_protocol_deps="!librtmp_protocol"
2407 rtmp_protocol_select="tcp_protocol"
2408 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2409 rtmps_protocol_deps="!librtmp_protocol"
2410 rtmps_protocol_select="tls_protocol"
2411 rtmpt_protocol_select="ffrtmphttp_protocol"
2412 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2413 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2414 rtp_protocol_select="udp_protocol"
2415 sctp_protocol_deps="struct_sctp_event_subscribe"
2416 sctp_protocol_select="network"
2417 srtp_protocol_select="rtp_protocol srtp"
2418 tcp_protocol_select="network"
2419 tls_gnutls_protocol_deps="gnutls"
2420 tls_gnutls_protocol_select="tcp_protocol"
2421 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2422 tls_openssl_protocol_select="tcp_protocol"
2423 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2424 udp_protocol_select="network"
2425 unix_protocol_deps="sys_un_h"
2426 unix_protocol_select="network"
2429 blackframe_filter_deps="gpl"
2430 boxblur_filter_deps="gpl"
2431 bs2b_filter_deps="libbs2b"
2432 cropdetect_filter_deps="gpl"
2433 deinterlace_qsv_filter_deps="libmfx"
2434 delogo_filter_deps="gpl"
2435 drawtext_filter_deps="libfreetype"
2436 frei0r_filter_deps="frei0r dlopen"
2437 frei0r_filter_extralibs='$ldl'
2438 frei0r_src_filter_deps="frei0r dlopen"
2439 frei0r_src_filter_extralibs='$ldl'
2440 hdcd_filter_deps="libhdcd"
2441 hqdn3d_filter_deps="gpl"
2442 interlace_filter_deps="gpl"
2443 ocv_filter_deps="libopencv"
2444 resample_filter_deps="avresample"
2445 scale_filter_deps="swscale"
2446 scale_qsv_filter_deps="libmfx"
2447 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
2450 decode_audio_example_deps="avcodec avutil"
2451 decode_video_example_deps="avcodec avutil"
2452 encode_audio_example_deps="avcodec avutil"
2453 encode_video_example_deps="avcodec avutil"
2454 filter_audio_example_deps="avfilter avutil"
2455 metadata_example_deps="avformat avutil"
2456 output_example_deps="avcodec avformat avutil swscale"
2457 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
2458 transcode_aac_example_deps="avcodec avformat avresample"
2460 # libraries, in linking order
2461 avcodec_deps="avutil"
2462 avdevice_deps="avformat avcodec avutil"
2463 avfilter_deps="avutil"
2464 avformat_deps="avcodec avutil"
2465 avresample_deps="avutil"
2466 swscale_deps="avutil"
2469 avconv_deps="avcodec avfilter avformat avresample swscale"
2470 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2471 fps_filter null_filter resample_filter scale_filter
2473 avplay_deps="avcodec avfilter avformat avresample sdl"
2474 avplay_libs='$sdl_libs'
2475 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2476 avprobe_deps="avcodec avformat"
2480 texi2html_deps="doc"
2482 # default parameters
2484 logfile="config.log"
2486 # installation paths
2487 prefix_default="/usr/local"
2488 bindir_default='${prefix}/bin'
2489 datadir_default='${prefix}/share/avconv'
2490 docdir_default='${prefix}/share/doc/libav'
2491 incdir_default='${prefix}/include'
2492 libdir_default='${prefix}/lib'
2493 mandir_default='${prefix}/share/man'
2494 shlibdir_default="$libdir_default"
2499 host_cc_default="gcc"
2504 pkg_config_default=pkg-config
2507 version_script='--version-script'
2511 arch_default=$(uname -m)
2516 target_os_default=$(tolower $(uname -s))
2517 host_os=$target_os_default
2519 # configurable options
2520 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2525 enable faan faandct faanidct
2526 enable optimizations
2527 enable safe_bitstream_reader
2529 enable swscale_alpha
2530 enable valgrind_backtrace
2532 # By default, enable only those hwaccels that have no external dependencies.
2533 enable d3d11va dxva2 vda vdpau
2536 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2539 FULLNAME='$(NAME)$(BUILDSUF)'
2540 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2543 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2544 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2545 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2546 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2547 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2548 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2549 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
2572 host_cflags_filter=echo
2573 host_ldflags_filter=echo
2575 target_path='$(CURDIR)'
2577 # since the object filename is not given with the -MM flag, the compiler
2578 # is only able to print the basename, and we must add the path ourselves
2579 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2583 if test -f configure; then
2586 source_path=$(cd $(dirname "$0"); pwd)
2587 echo "$source_path" | grep -q '[[:blank:]]' &&
2588 die "Out of tree builds are impossible with whitespace in source path."
2589 test -e "$source_path/config.h" &&
2590 die "Out of tree builds are impossible with config.h in source dir."
2597 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2603 file=$source_path/$3
2604 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2607 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2608 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2609 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2610 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2611 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2612 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2613 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2614 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2615 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2617 find_things_extern(){
2620 file=$source_path/$3
2621 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
2624 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
2625 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
2641 for n in $COMPONENT_LIST; do
2642 v=$(toupper ${n%s})_LIST
2644 eval ${n}_if_any="\$$v"
2647 enable $ARCH_EXT_LIST
2650 echo "Unknown option \"$1\"."
2651 echo "See $0 --help for available options."
2656 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2662 echo $* | sed s/$suffix//g | print_3_columns
2674 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2675 echo "prob ${prob:-0.5}"
2683 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2684 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2693 --extra-ldexeflags=*)
2694 add_ldexeflags $optval
2697 add_extralibs $optval
2700 disable $INDEV_LIST $OUTDEV_LIST
2703 debuglevel="$optval"
2706 disable $PROGRAM_LIST
2708 --disable-everything)
2709 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2712 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2713 disable $LIBRARY_LIST $PROGRAM_LIST doc
2715 --enable-random|--disable-random)
2716 action=${opt%%-random}
2717 do_random ${action#--} $COMPONENT_LIST
2719 --enable-random=*|--disable-random=*)
2720 action=${opt%%-random=*}
2721 do_random ${action#--} $optval
2723 --enable-*=*|--disable-*=*)
2724 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2725 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2726 eval list=\$$(toupper $thing)_LIST
2727 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2728 $action $(filter "$name" $list)
2730 --enable-avserver|--disable-avserver*)
2731 warn "avserver has been removed, the ${opt} option is only"\
2732 "provided for compatibility and will be removed in the future"
2734 --enable-?*|--disable-?*)
2735 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2736 if is_in $option $COMPONENT_LIST; then
2737 test $action = disable && action=unset
2738 eval $action \$$(toupper ${option%s})_LIST
2739 elif is_in $option $CMDLINE_SELECT; then
2746 NAME="${opt#--list-}"
2747 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2749 eval show_list $NAME \$$(toupper $NAME)_LIST
2751 --help|-h) show_help
2753 --quiet|-q) quiet=yes
2756 optname="${opt%%=*}"
2757 optname="${optname#--}"
2758 optname=$(echo "$optname" | sed 's/-/_/g')
2759 if is_in $optname $CMDLINE_SET; then
2760 eval $optname='$optval'
2761 elif is_in $optname $CMDLINE_APPEND; then
2762 append $optname "$optval"
2774 disabled logging && logfile=/dev/null
2776 # Die early if licensing-related configure options are incompatible.
2777 die_license_disabled() {
2778 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
2781 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST
2782 map "die_license_disabled nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST $HWACCEL_LIBRARY_NONFREE_LIST
2783 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST
2785 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2787 # Disable all the library-specific components if the library itself
2788 # is disabled, see AVCODEC_LIST and following _LIST variables.
2790 disable_components(){
2791 disabled ${1} && disable $(
2792 eval components="\$$(toupper ${1})_COMPONENTS"
2793 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2797 map 'disable_components $v' $LIBRARY_LIST
2799 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2802 case "$toolchain" in
2804 cc_default="${toolchain%-asan}"
2805 add_cflags -fsanitize=address
2806 add_ldflags -fsanitize=address
2809 cc_default="${toolchain%-msan}"
2810 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
2811 add_ldflags -fsanitize=memory
2814 cc_default="${toolchain%-tsan}"
2815 add_cflags -fsanitize=thread -pie
2816 add_ldflags -fsanitize=thread -pie
2817 case "$toolchain" in
2825 cc_default="${toolchain%-usan}"
2826 add_cflags -fsanitize=undefined
2827 add_ldflags -fsanitize=undefined
2828 case "$toolchain" in
2835 target_exec_default="valgrind"
2836 case "$toolchain" in
2838 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2841 target_exec_args="--track-origins=yes --leak-check=full"
2846 # Check whether the current MSVC version needs the C99 converter.
2847 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2848 # support enough of C99 to build libav. Default to the new
2849 # behaviour if the regexp was unable to match anything, since this
2850 # successfully parses the version number of existing supported
2851 # versions that require the converter (MSVC 2010 and 2012).
2852 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2853 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2856 cc_default="c99wrap cl"
2858 ld_default="$source_path/compat/windows/mslink"
2859 nm_default="dumpbin -symbols"
2866 target_os_default="win32"
2867 # Use a relative path for TMPDIR. This makes sure all the
2868 # ffconf temp files are written with a relative path, avoiding
2869 # issues with msys/win32 path conversion for MSVC parameters
2870 # such as -Fo<file> or -out:<file>.
2876 nm_default="dumpbin -symbols"
2878 target_os_default="win32"
2882 add_cflags -fprofile-arcs -ftest-coverage
2883 add_ldflags -fprofile-arcs -ftest-coverage
2886 add_cflags -fprofile-arcs -ftest-coverage
2887 add_ldflags --coverage
2890 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2891 add_cflags -fno-strict-overflow -fstack-protector-all
2892 add_ldflags -Wl,-z,relro -Wl,-z,now
2895 die "Unknown toolchain $toolchain"
2899 test -n "$cross_prefix" && enable cross_compile
2901 if enabled cross_compile; then
2902 test -n "$arch" && test -n "$target_os" ||
2903 die "Must specify target arch and OS when cross-compiling"
2906 ar_default="${cross_prefix}${ar_default}"
2907 cc_default="${cross_prefix}${cc_default}"
2908 occ_default="${cross_prefix}${occ_default}"
2909 nm_default="${cross_prefix}${nm_default}"
2910 pkg_config_default="${cross_prefix}${pkg_config_default}"
2911 ranlib="${cross_prefix}${ranlib}"
2912 strip="${cross_prefix}${strip}"
2914 sysinclude_default="${sysroot}/usr/include"
2916 set_default arch cc pkg_config sysinclude target_exec target_os
2917 enabled cross_compile || host_cc_default=$cc
2920 if ! $pkg_config --version >/dev/null 2>&1; then
2921 warn "$pkg_config not found, library detection may fail."
2927 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2931 EXESUF=$(exesuf $target_os)
2932 HOSTEXESUF=$(exesuf $host_os)
2934 # set temporary file name
2935 : ${TMPDIR:=$TEMPDIR}
2939 if ! check_cmd mktemp -u XXXXXX; then
2940 # simple replacement for missing mktemp
2941 # NOT SAFE FOR GENERAL USE
2943 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2948 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2949 (set -C; exec > $tmp) 2>/dev/null ||
2950 die "Unable to create temporary file in $TMPDIR."
2951 append TMPFILES $tmp
2955 trap 'rm -f -- $TMPFILES' EXIT
2959 tmpfile TMPE $EXESUF
2970 # make sure we can execute files in $TMPDIR
2971 cat > $TMPSH 2>> $logfile <<EOF
2974 chmod +x $TMPSH >> $logfile 2>&1
2975 if ! $TMPSH >> $logfile 2>&1; then
2977 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2978 variable to another directory and make sure that it is not mounted noexec.
2980 die "Sanity test failed."
2986 # Filter out MSVC cl.exe options from cflags that shouldn't
2987 # be passed to gas-preprocessor
2997 -std=c99) echo -c99 ;;
2998 -mcpu=*) echo -arch ${flag#*=} ;;
2999 -mieee) echo -ieee ;;
3000 -O*|-fast) echo $flag ;;
3001 -fno-math-errno) echo -assume nomath_errno ;;
3003 -Wall) echo -msg_enable level2 ;;
3004 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3005 -Wl,*) echo $flag ;;
3015 -Wno-switch) echo -Wno-switch-enum ;;
3016 -Wno-format-zero-length) ;;
3017 -Wdisabled-optimization) ;;
3018 -Wno-pointer-sign) echo -Wno-other ;;
3024 msvc_common_flags(){
3027 # In addition to specifying certain flags under the compiler
3028 # specific filters, they must be specified here as well or else the
3029 # generic catch all at the bottom will print the original flag.
3033 -fomit-frame-pointer) ;;
3037 -fno-signed-zeros) ;;
3041 -lz) echo zlib.lib ;;
3042 -lavicap32) echo vfw32.lib user32.lib ;;
3043 -lx264) echo libx264.lib ;;
3044 -l*) echo ${flag#-l}.lib ;;
3045 -L*) echo -libpath:${flag#-L} ;;
3052 msvc_common_flags "$@"
3055 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3056 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3057 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3058 -wd4273 -wd4554 -wd4701 -wd4703 ;;
3064 msvc_common_flags "$@"
3067 # Despite what Intel's documentation says -Wall, which is supported
3068 # on Windows, does enable remarks so disable them here.
3069 -Wall) echo $flag -Qdiag-disable:remark ;;
3070 -std=c99) echo -Qstd=c99 ;;
3078 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3079 -fomit-frame-pointer) echo -Mnoframe ;;
3090 case "${flag#*=}" in
3091 native) echo -xtarget=native ;;
3092 v9|niagara) echo -xarch=sparc ;;
3093 ultrasparc) echo -xarch=sparcvis ;;
3094 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3095 i586|pentium) echo -xchip=pentium ;;
3096 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3097 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3098 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3099 pentium4*) echo -xtarget=pentium4 ;;
3100 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3101 *-sse3) echo -xarch=sse3 ;;
3102 core2) echo -xarch=ssse3 -xchip=core2 ;;
3103 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3104 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3105 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3106 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3107 k8|opteron|athlon64|athlon-fx)
3108 echo -xarch=sse2a ;;
3109 athlon*) echo -xarch=pentium_proa ;;
3112 -std=c99) echo -xc99 ;;
3113 -fomit-frame-pointer) echo -xregs=frameptr ;;
3114 -fPIC) echo -KPIC -xcode=pic32 ;;
3115 -W*,*) echo $flag ;;
3116 -f*-*|-W*|-mimpure-text) ;;
3127 case "${flag#*=}" in
3128 armv7-a|cortex-a*) echo -mv=7a8 ;;
3129 armv7-r|cortex-r*) echo -mv=7r4 ;;
3130 armv7-m|cortex-m*) echo -mv=7m3 ;;
3131 armv6*|arm11*) echo -mv=6 ;;
3132 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3134 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3137 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3138 -mfpu=vfp) echo --float_support=vfpv2 ;;
3139 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3140 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3141 -msoft-float) echo --float_support=vfplib ;;
3142 -O[0-3]|-mf=*) echo $flag ;;
3144 -pds=*) echo $flag ;;
3145 -D*|-I*) echo $flag ;;
3146 --gcc|--abi=*) echo $flag ;;
3156 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3157 unset _ld_o _ldflags _ld_lib _ld_path
3158 unset _depflags _DEPCMD _DEPFLAGS
3161 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3163 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3164 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3165 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3168 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3170 gcc_version=$($_cc --version | head -n1)
3171 gcc_basever=$($_cc -dumpversion)
3172 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3173 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3174 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3175 if ! $_cc -dumpversion | grep -q '^2\.'; then
3176 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3180 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3182 _ident=$($_cc --version | head -n1)
3187 elif $_cc -v 2>&1 | grep -q xlc; then
3189 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3191 _cflags_size='-O5 -qcompact'
3192 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3194 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3196 _cflags_speed='-fast'
3198 _flags_filter=ccc_flags
3199 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3200 test -d "$sysroot" || die "No valid sysroot specified."
3202 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3203 armcc_conf="$PWD/armcc.conf"
3204 $_cc --arm_linux_configure \
3205 --arm_linux_config_file="$armcc_conf" \
3206 --configure_sysroot="$sysroot" \
3207 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3208 die "Error creating armcc configuration file."
3209 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3210 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3211 as_default="${cross_prefix}gcc"
3215 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3217 _ident=$($_cc -version | head -n1 | tr -s ' ')
3218 _flags='--gcc --abi=eabi -me'
3221 _depflags='-ppa -ppd=$(@:.o=.d)'
3222 _cflags_speed='-O3 -mf=5'
3223 _cflags_size='-O3 -mf=2'
3224 _flags_filter=tms470_flags
3225 elif $_cc -v 2>&1 | grep -q clang; then
3227 _ident=$($_cc --version 2>/dev/null | head -n1)
3228 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3231 elif $_cc -V 2>&1 | grep -q Sun; then
3233 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3234 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3235 _DEPFLAGS='-xM1 -xc99'
3238 _cflags_size='-O5 -xspace'
3239 _flags_filter=suncc_flags
3240 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3242 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3243 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3246 _flags_filter='filter_out -Wdisabled-optimization'
3247 elif $_cc -v 2>&1 | grep -q Open64; then
3249 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3250 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3253 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3254 elif $_cc -V 2>&1 | grep -q Portland; then
3256 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3257 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3258 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3259 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3261 _flags_filter=pgi_flags
3262 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3264 _ident=$($_cc | head -n1)
3265 # 4509: "This form of conditional instruction is deprecated"
3266 _flags="-nologo -ignore 4509"
3267 _flags_filter=armasm_flags
3268 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3270 _ident=$($_cc 2>&1 | head -n1)
3271 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3272 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3275 if $_cc -nologo- 2>&1 | grep -q Linker; then
3282 _flags_filter=msvc_flags
3284 _ld_path='-libpath:'
3286 elif $_cc 2>&1 | grep -q Intel; then
3288 _ident=$($_cc 2>&1 | head -n1)
3289 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3290 # Not only is O3 broken on 13.x+ but it is slower on all previous
3291 # versions (tested) as well.
3293 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3294 if $_cc 2>&1 | grep -q Linker; then
3301 _flags_filter=icl_flags
3303 _ld_path='-libpath:'
3304 # -Qdiag-error to make icl error when seeing certain unknown arguments
3305 _flags='-nologo -Qdiag-error:4044,10157'
3306 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3307 # with MSVC which enables it by default.
3308 _cflags='-Qms0 -Qvec- -Qsimd- -GS'
3309 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
3310 # lld can emulate multiple different linkers; in ms link.exe mode,
3311 # the -? parameter gives the help output which contains an identifyable
3312 # string, while it gives an error in other modes.
3314 # The link.exe mode doesn't have a switch for getting the version,
3315 # but we can force it back to gnu mode and get the version from there.
3316 _ident=$($_cc -flavor gnu --version 2>/dev/null)
3318 _flags_filter=msvc_flags
3320 _ld_path='-libpath:'
3321 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3323 _ident=$($_cc --version | head -n1)
3327 _flags_filter=cparser_flags
3330 eval ${pfx}_type=\$_type
3331 eval ${pfx}_ident=\$_ident
3335 eval ${1}_C=\${_cc_c-\${${1}_C}}
3336 eval ${1}_E=\${_cc_e-\${${1}_E}}
3337 eval ${1}_O=\${_cc_o-\${${1}_O}}
3339 if [ -n "$_depflags" ]; then
3340 eval ${1}_DEPFLAGS=\$_depflags
3342 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3343 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3344 eval DEP${1}FLAGS=\$_flags
3349 cflags_filter=$_flags_filter
3350 cflags_speed=$_cflags_speed
3351 cflags_size=$_cflags_size
3352 cflags_noopt=$_cflags_noopt
3353 add_cflags $_flags $_cflags
3354 cc_ldflags=$_ldflags
3357 probe_cc hostcc "$host_cc"
3358 host_cflags_filter=$_flags_filter
3359 add_host_cflags $_flags $_cflags
3362 test -n "$cc_type" && enable $cc_type ||
3363 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3365 : ${as_default:=$cc}
3366 : ${objcc_default:=$cc}
3367 : ${dep_cc_default:=$cc}
3368 : ${ld_default:=$cc}
3369 : ${host_ld_default:=$host_cc}
3370 set_default ar as objcc dep_cc ld host_ld
3373 asflags_filter=$_flags_filter
3374 add_asflags $_flags $_cflags
3377 probe_cc objcc "$objcc"
3378 objcflags_filter=$_flags_filter
3379 add_objcflags $_flags $_cflags
3383 ldflags_filter=$_flags_filter
3384 add_ldflags $_flags $_ldflags
3385 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3387 LD_LIB=${_ld_lib-$LD_LIB}
3388 LD_PATH=${_ld_path-$LD_PATH}
3390 probe_cc hostld "$host_ld"
3391 host_ldflags_filter=$_flags_filter
3392 add_host_ldflags $_flags $_ldflags
3393 HOSTLD_O=${_ld_o-$HOSTLD_O}
3395 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3396 probe_cc depcc "$dep_cc"
3397 CCDEP=${_DEPCMD:-$DEPCMD}
3398 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3402 if $ar 2>&1 | grep -q Microsoft; then
3405 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3408 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3409 arflags='-Xany -r -c'
3416 add_cflags $extra_cflags
3417 add_objcflags $extra_objcflags
3418 add_asflags $extra_cflags
3420 if test -n "$sysroot"; then
3423 add_cppflags --sysroot="$sysroot"
3424 add_ldflags --sysroot="$sysroot"
3427 add_cppflags -I"$sysinclude"
3428 add_ldflags --sysroot="$sysroot"
3433 if test "$cpu" = host; then
3434 enabled cross_compile &&
3435 die "--cpu=host makes no sense when cross-compiling."
3440 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3442 s/.*$1=\\([^ ]*\\).*/\\1/
3447 cpu=$(check_native -march || check_native -mcpu)
3451 test "${cpu:-host}" = host &&
3452 die "--cpu=host not supported with compiler $cc"
3455 # Deal with common $arch aliases
3479 "Power Macintosh"|ppc*|powerpc*)
3494 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3499 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3502 # Add processor-specific flags
3503 if enabled aarch64; then
3507 cpuflags="-march=$cpu"
3510 cpuflags="-mcpu=$cpu"
3514 elif enabled alpha; then
3516 cpuflags="-mcpu=$cpu"
3518 elif enabled arm; then
3521 check_cpp_condition stddef.h \
3522 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3527 if check_arm_arch 4; then echo armv4
3528 elif check_arm_arch 4T; then echo armv4t
3529 elif check_arm_arch 5; then echo armv5
3530 elif check_arm_arch 5E; then echo armv5e
3531 elif check_arm_arch 5T; then echo armv5t
3532 elif check_arm_arch 5TE; then echo armv5te
3533 elif check_arm_arch 5TEJ; then echo armv5te
3534 elif check_arm_arch 6; then echo armv6
3535 elif check_arm_arch 6J; then echo armv6j
3536 elif check_arm_arch 6K; then echo armv6k
3537 elif check_arm_arch 6Z; then echo armv6z
3538 elif check_arm_arch 6ZK; then echo armv6zk
3539 elif check_arm_arch 6T2; then echo armv6t2
3540 elif check_arm_arch 7; then echo armv7
3541 elif check_arm_arch 7A 7_A; then echo armv7-a
3542 elif check_arm_arch 7S; then echo armv7-a
3543 elif check_arm_arch 7R 7_R; then echo armv7-r
3544 elif check_arm_arch 7M 7_M; then echo armv7-m
3545 elif check_arm_arch 7EM 7E_M; then echo armv7-m
3546 elif check_arm_arch 8A 8_A; then echo armv8-a
3550 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3554 cpuflags="-march=$cpu"
3555 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3558 cpuflags="-mcpu=$cpu"
3560 cortex-a*) subarch=armv7a ;;
3561 cortex-r*) subarch=armv7r ;;
3562 cortex-m*) enable thumb; subarch=armv7m ;;
3563 arm11*) subarch=armv6 ;;
3564 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3565 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3566 *) subarch=$(probe_arm_arch) ;;
3572 armv5t*) enable fast_clz ;;
3573 armv[6-8]*) enable fast_clz fast_unaligned ;;
3576 elif enabled avr32; then
3581 cpuflags="-mpart=$cpu"
3585 cpuflags="-march=$cpu"
3589 cpuflags="-mcpu=$cpu"
3593 cpuflags="-march=$cpu"
3597 elif enabled bfin; then
3599 cpuflags="-mcpu=$cpu"
3601 elif enabled mips; then
3603 cpuflags="-march=$cpu"
3605 elif enabled ppc; then
3609 case $(tolower $cpu) in
3610 601|ppc601|powerpc601)
3611 cpuflags="-mcpu=601"
3614 603*|ppc603*|powerpc603*)
3615 cpuflags="-mcpu=603"
3618 604*|ppc604*|powerpc604*)
3619 cpuflags="-mcpu=604"
3622 g3|75*|ppc75*|powerpc75*)
3623 cpuflags="-mcpu=750"
3626 g4|745*|ppc745*|powerpc745*)
3627 cpuflags="-mcpu=7450"
3630 74*|ppc74*|powerpc74*)
3631 cpuflags="-mcpu=7400"
3634 g5|970|ppc970|powerpc970)
3635 cpuflags="-mcpu=970"
3639 cpuflags="-mcpu=$cpu"
3643 cpuflags="-mcpu=$cpu"
3647 cpuflags="-mcpu=cell"
3652 cpuflags="-mcpu=e500mc"
3656 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3661 cpuflags="-mcpu=8540 -mhard-float"
3667 elif enabled sparc; then
3670 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3671 cpuflags="-mcpu=$cpu"
3673 ultrasparc*|niagara[234])
3674 cpuflags="-mcpu=$cpu"
3678 elif enabled x86; then
3682 cpuflags="-march=$cpu"
3686 # targets that do NOT support nopl and conditional mov (cmov)
3687 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3688 cpuflags="-march=$cpu"
3691 # targets that do support nopl and conditional mov (cmov)
3692 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3693 cpuflags="-march=$cpu"
3697 # targets that do support conditional mov but on which it's slow
3698 pentium4|pentium4m|prescott|nocona)
3699 cpuflags="-march=$cpu"
3707 if [ "$cpu" != generic ]; then
3708 add_cflags $cpuflags
3709 add_asflags $cpuflags
3710 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3713 # compiler sanity check
3715 int main(void){ return 0; }
3717 if test "$?" != 0; then
3718 echo "$cc is unable to create an executable file."
3719 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3720 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3721 echo "Only do this if you know what cross compiling means."
3723 die "C compiler test failed."
3726 add_cppflags -D_ISOC99_SOURCE
3728 # some compilers silently accept -std=c11, so we also need to check that the
3729 # version macro is defined properly
3730 if test_cflags_cpp -std=c11 "__STDC_VERSION__ >= 201112L"; then
3733 check_cflags -std=c99
3736 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3739 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3743 add_host_cppflags -D_ISOC99_SOURCE
3744 check_host_cflags -std=c99
3745 check_host_cflags -Wall
3746 check_host_cflags -O3
3752 check_code cc "" "int test[2*($expr) - 1]" &&
3753 subarch=$arch64 || subarch=$arch32
3761 check_64bit mips mips64 '_MIPS_SIM > 1'
3765 check_64bit parisc parisc64 'sizeof(void *) > 4'
3769 check_64bit ppc ppc64 'sizeof(void *) > 4'
3773 check_64bit s390 s390x 'sizeof(void *) > 4'
3777 check_64bit sparc sparc64 'sizeof(void *) > 4'
3781 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3782 if test "$subarch" = "x86_64"; then
3789 enabled spic && enable_weak pic
3795 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3796 enabled shared && add_ldflags -Wl,-brtl
3800 enable section_data_rel_ro
3801 SLIB_INSTALL_NAME='$(SLIBNAME)'
3803 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3806 prefix_default="/boot/common"
3807 network_extralibs="-lnetwork"
3811 SHFLAGS='-shared -Wl,-h,$$(@F)'
3812 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3813 network_extralibs="-lsocket -lnsl"
3814 # When using suncc to build, the Solaris linker will mark
3815 # an executable with each instruction set encountered by
3816 # the Solaris assembler. As our libraries contain their own
3817 # guards for processor-specific code, instead suppress
3818 # generation of the HWCAPS ELF section on Solaris x86 only.
3819 enabled_all suncc x86 &&
3820 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3821 add_ldflags -Wl,-M,mapfile
3822 nm_default='nm -P -g'
3824 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
3828 oss_indev_extralibs="-lossaudio"
3829 oss_outdev_extralibs="-lossaudio"
3834 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3836 oss_indev_extralibs="-lossaudio"
3837 oss_outdev_extralibs="-lossaudio"
3845 add_extralibs -lpoll -lgnugetopt
3848 enabled ppc && add_asflags -force_cpusubtype_ALL
3849 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3850 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3851 add_ldflags -Wl,-dynamic,-search_paths_first
3853 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3854 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3856 enabled x86_64 && objformat="macho64"
3857 enabled_any pic shared ||
3858 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3859 check_header dispatch/dispatch.h &&
3860 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
3863 die "Native MSYS builds are discouraged, please use the MINGW environment."
3866 if test $target_os = "mingw32ce"; then
3872 if enabled x86_64; then
3873 LIBTARGET="i386:x86-64"
3874 elif enabled arm; then
3877 check_ldflags -Wl,--nxcompat
3878 check_ldflags -Wl,--dynamicbase
3879 shlibdir_default="$bindir_default"
3882 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3883 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3884 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3885 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3887 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3888 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3889 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3891 dlltool="${cross_prefix}dlltool"
3897 if enabled shared; then
3898 # Link to the import library instead of the normal static library
3901 # Cannot build both shared and static libs with MSVC or icl.
3904 shlibdir_default="$bindir_default"
3907 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3908 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3909 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3910 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3912 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3913 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3914 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3921 shlibdir_default="$bindir_default"
3924 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3925 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3926 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3928 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3929 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3933 *-dos|freedos|opendos)
3934 network_extralibs="-lsocket"
3937 add_cppflags -U__STRICT_ANSI__
3941 enable section_data_rel_ro
3945 ranlib="echo ignoring ranlib"
3950 add_cppflags -D_GNU_SOURCE
3951 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3952 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3956 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3957 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3958 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3959 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3960 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3961 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3962 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
3963 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3964 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3965 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3969 add_cppflags -D_BSD_SOURCE
3974 add_cppflags -D_QNX_SOURCE
3975 network_extralibs="-lsocket"
3980 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3981 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3982 add_ldflags -Wl,--target1-abs,--no-undefined \
3983 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3984 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3985 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3986 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3987 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3990 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3995 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3996 -D_REENTRANT_SOURCE \
3997 -D_RESEARCH_SOURCE \
4000 add_compat strtod.o strtod=avpriv_strtod
4001 network_extralibs='-lbsd'
4002 exeobjs=compat/plan9/main.o
4008 die "Unknown OS '$target_os'."
4012 # determine libc flavour
4017 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4018 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4019 eval ${pfx}libc_type=uclibc
4020 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4021 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4022 eval ${pfx}libc_type=glibc
4023 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4024 # MinGW headers can be installed on Cygwin, so check for newlib first.
4025 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4026 eval ${pfx}libc_type=newlib
4027 add_${pfx}cppflags -U__STRICT_ANSI__
4028 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4029 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4030 eval ${pfx}libc_type=mingw64
4031 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4032 eval test \$${pfx_no_}cc_type = "gcc" &&
4033 add_${pfx}cppflags -D__printf__=__gnu_printf__
4034 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4035 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4036 eval ${pfx}libc_type=mingw32
4037 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4038 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4039 die "ERROR: MinGW32 runtime version must be >= 3.15."
4040 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4041 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700__" &&
4042 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
4043 eval test \$${pfx_no_}cc_type = "gcc" &&
4044 add_${pfx}cppflags -D__printf__=__gnu_printf__
4045 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4046 eval ${pfx}libc_type=msvcrt
4047 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4048 if [ "$pfx" = host_ ]; then
4049 add_host_cppflags -Dsnprintf=_snprintf
4051 add_compat strtod.o strtod=avpriv_strtod
4052 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4053 _snprintf=avpriv_snprintf \
4054 vsnprintf=avpriv_vsnprintf
4057 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
4058 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4059 # 0x601 by default unless something else is set by the user.
4060 # This can easily lead to us detecting functions only present
4061 # in such new versions and producing binaries requiring windows 7.0.
4062 # Therefore explicitly set the default to XP unless the user has
4063 # set something else on the command line.
4064 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4065 # family. For these cases, configure is free to use any functions
4066 # found in the SDK headers by default. (Alternatively, we could force
4067 # _WIN32_WINNT to 0x0602 in that case.)
4068 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4069 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4070 #ifdef WINAPI_FAMILY
4071 #include <winapifamily.h>
4072 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4077 if [ "$pfx" = "" ]; then
4078 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
4080 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4081 eval ${pfx}libc_type=klibc
4082 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4083 eval ${pfx}libc_type=bionic
4084 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4085 eval ${pfx}libc_type=solaris
4086 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4088 eval ${pfx}libc_type=default
4089 add_${pfx}cppflags -D_DEFAULT_SOURCE
4094 test -n "$libc_type" && enable libc_$libc_type
4096 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4100 add_compat strtod.o strtod=avpriv_strtod
4104 # hacks for compiler/libc/os combinations
4106 if enabled_all tms470 libc_glibc; then
4107 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4108 add_cppflags -D__USER_LABEL_PREFIX__=
4109 add_cppflags -D__builtin_memset=memset
4110 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4111 add_cflags -pds=48 # incompatible redefinition of macro
4114 if enabled_all ccc libc_glibc; then
4115 add_ldflags -Wl,-z,now # calls to libots crash without this
4118 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4119 add_cppflags '-I\$(SRC_PATH)/compat/float'
4122 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4125 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
4127 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4129 set_default $PATHS_LIST
4132 # we need to build at least one lib type
4133 if ! enabled_any static shared; then
4135 At least one library type must be built.
4136 Specify --enable-static to build the static libraries or --enable-shared to
4137 build the shared libraries as well. To only build the shared libraries specify
4138 --disable-static in addition to --enable-shared.
4143 disabled optimizations || check_cflags -fomit-frame-pointer
4146 disabled pic && return
4149 case "$target_os" in
4159 enabled pic && enable_weak_pic
4161 check_cc <<EOF || die "Symbol mangling check failed."
4164 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4165 extern_prefix=${sym%%ff_extern*}
4167 check_cc <<EOF && enable_weak inline_asm
4168 void foo(void) { __asm__ volatile ("" ::); }
4172 for restrict_keyword in restrict __restrict__ __restrict; do
4173 check_cc <<EOF && _restrict=$restrict_keyword && break
4174 void foo(char * $restrict_keyword p);
4178 check_cc <<EOF && enable pragma_deprecated
4179 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4182 check_cc <<EOF && enable attribute_packed
4183 struct { int x; } __attribute__((packed)) x;
4186 check_cc <<EOF && enable attribute_may_alias
4187 union { int x; } __attribute__((may_alias)) x;
4190 check_cc <<EOF || die "endian test failed"
4191 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4193 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4196 log "check_gas using '$as' as AS"
4197 # :vararg is used on aarch64, arm and ppc altivec
4198 check_as <<EOF || return 1
4199 .macro m n, y:vararg=0
4204 # .altmacro is only used in arm asm
4205 ! enabled arm || check_as <<EOF || return 1
4212 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4214 enabled_any arm aarch64 && nogas=die
4215 enabled_all ppc altivec && nogas=warn
4219 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4220 gcc) gaspp_as_type=gas ;;
4221 *) gaspp_as_type=$as_type ;;
4224 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4226 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as $as_noop &&
4227 gas="gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as"
4229 if ! check_gas ; then
4232 $nogas "GNU assembler not found, install/update gas-preprocessor"
4235 check_as <<EOF && enable as_func
4241 check_inline_asm inline_asm_labels '"1:\n"'
4243 if enabled aarch64; then
4244 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4245 # internal assembler in clang 3.3 does not support this instruction
4246 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4247 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4249 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4251 elif enabled alpha; then
4255 elif enabled arm; then
4257 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
4258 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
4259 enabled thumb && check_cflags -mthumb || check_cflags -marm
4261 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4263 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
4265 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
4266 case "${cross_prefix:-$cc}" in
4267 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4268 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4269 __asm__ (".eabi_attribute 28, 1");
4270 int main(void) { return 0; }
4273 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4276 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4277 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4278 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4279 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4280 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4281 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4283 [ $target_os = linux ] || [ $target_os = android ] ||
4284 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4287 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4289 check_as <<EOF && enable as_dn_directive
4293 check_as <<EOF && enable as_fpu_directive
4297 # llvm's integrated assembler supports .object_arch from llvm 3.5
4298 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4302 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4304 elif enabled mips; then
4306 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4308 # make sure that only an instruction set is enabled
4309 disable mips64r6 mips32r6 mips64r2 mips32r2 mips64r1 mips32r1
4311 if enabled mips64; then
4312 check_inline_asm mips64r6 '"dlsa $0, $0, $0, 1"' ||
4313 check_inline_asm mips64r2 '"dext $0, $0, 0, 1"' ||
4314 check_inline_asm mips64r1 '"daddi $0, $0, 0"'
4316 check_inline_asm mips32r6 '"aui $0, $0, 0"' ||
4317 check_inline_asm mips32r2 '"ext $0, $0, 0, 1"' ||
4318 check_inline_asm mips32r1 '"addi $0, $0, 0"'
4321 elif enabled parisc; then
4323 if enabled gcc; then
4324 case $($cc -dumpversion) in
4325 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4329 elif enabled ppc; then
4331 enable local_aligned_8 local_aligned_16 local_aligned_32
4333 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4334 check_inline_asm ibm_asm '"add 0, 0, 0"'
4335 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4336 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4338 # AltiVec flags: The FSF version of GCC differs from the Apple version
4339 if enabled altivec; then
4340 check_cflags -maltivec -mabi=altivec &&
4341 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4342 check_cflags -faltivec
4344 # check if our compiler supports Motorola AltiVec C API
4345 check_cc <<EOF || disable altivec
4348 vector signed int v1 = (vector signed int) { 0 };
4349 vector signed int v2 = (vector signed int) { 1 };
4350 v1 = vec_add(v1, v2);
4355 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4358 if enabled vsx; then
4359 check_cflags -mvsx &&
4360 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4363 if enabled power8; then
4364 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4367 elif enabled x86; then
4369 check_builtin rdtsc intrin.h "__rdtsc()"
4370 check_builtin mm_empty mmintrin.h "_mm_empty()"
4372 enable local_aligned_8 local_aligned_16 local_aligned_32
4374 # check whether EBP is available on x86
4375 # As 'i' is stored on the stack, this program will crash
4376 # if the base pointer is used to access it because the
4377 # base pointer is cleared in the inline assembly code.
4378 check_exec_crash <<EOF && enable ebp_available
4380 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4384 # check whether EBX is available on x86
4385 check_inline_asm ebx_available '""::"b"(0)' &&
4386 check_inline_asm ebx_available '"":::"%ebx"'
4388 # check whether xmm clobbers are supported
4389 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4391 # check whether binutils is new enough to compile SSSE3/MMXEXT
4392 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4393 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4395 if ! disabled_any asm mmx yasm; then
4396 if check_cmd $yasmexe --version; then
4397 enabled x86_64 && yasm_extra="-m amd64"
4398 yasm_debug="-g dwarf2"
4399 elif check_cmd nasm -v; then
4401 yasm_debug="-g -F dwarf"
4402 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4405 YASMFLAGS="-f $objformat $yasm_extra"
4406 enabled pic && append YASMFLAGS "-DPIC"
4407 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4408 case "$objformat" in
4409 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4412 check_yasm "movbe ecx, [5]" && enable yasm ||
4413 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4414 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4415 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4416 check_yasm "vfmadd132ps ymm0, ymm1, ymm2" || disable fma3_external
4417 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4418 check_yasm "CPU amdnop" || disable cpunop
4422 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4429 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4431 check_ldflags -Wl,--as-needed
4433 if check_func dlopen; then
4435 elif check_func dlopen -ldl; then
4439 if ! disabled network; then
4440 check_func getaddrinfo $network_extralibs
4441 check_func inet_aton $network_extralibs
4443 check_type netdb.h "struct addrinfo"
4444 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4445 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4446 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4447 check_type poll.h "struct pollfd"
4448 check_type netinet/sctp.h "struct sctp_event_subscribe"
4449 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4450 check_type netinet/in.h "struct sockaddr_in6"
4451 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4452 check_type "sys/types.h sys/socket.h" socklen_t
4454 # Prefer arpa/inet.h over winsock2
4455 if check_header arpa/inet.h ; then
4456 check_func closesocket
4457 elif check_header winsock2.h ; then
4458 check_func_headers winsock2.h closesocket -lws2 &&
4459 network_extralibs="-lws2" ||
4460 { check_func_headers winsock2.h closesocket -lws2_32 &&
4461 network_extralibs="-lws2_32"; } || disable winsock2_h network
4462 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4464 check_type ws2tcpip.h socklen_t
4465 check_type ws2tcpip.h "struct addrinfo"
4466 check_type ws2tcpip.h "struct group_source_req"
4467 check_type ws2tcpip.h "struct ip_mreq_source"
4468 check_type ws2tcpip.h "struct ipv6_mreq"
4469 check_type winsock2.h "struct pollfd"
4470 check_struct winsock2.h "struct sockaddr" sa_len
4471 check_type ws2tcpip.h "struct sockaddr_in6"
4472 check_type ws2tcpip.h "struct sockaddr_storage"
4478 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4479 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4480 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4481 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4483 case "$custom_allocator" in
4485 # jemalloc by default does not use a prefix
4486 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
4489 require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc
4494 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4495 check_func ${malloc_prefix}memalign && enable memalign
4496 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4498 check_cpp_condition unistd.h "defined(_POSIX_MONOTONIC_CLOCK)" &&
4499 check_func_headers time.h clock_gettime ||
4500 { check_lib time.h clock_gettime -lrt && LIBRT="-lrt"; }
4504 check_func gethrtime
4506 check_func getrusage
4507 check_func gettimeofday
4510 check_func localtime_r
4511 check_func mach_absolute_time
4515 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4516 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt; }
4517 check_func sched_getaffinity
4518 check_func setrlimit
4519 check_func strerror_r
4524 check_func_headers io.h setmode
4525 check_func_headers stdlib.h getenv
4527 check_func_headers windows.h CoTaskMemFree -lole32
4528 check_func_headers windows.h GetProcessAffinityMask
4529 check_func_headers windows.h GetProcessTimes
4530 check_func_headers windows.h GetSystemTimeAsFileTime
4531 check_func_headers windows.h LoadLibrary
4532 check_func_headers windows.h MapViewOfFile
4533 check_func_headers windows.h SetConsoleTextAttribute
4534 check_func_headers windows.h Sleep
4535 check_func_headers windows.h VirtualAlloc
4536 check_struct windows.h "CONDITION_VARIABLE" Ptr
4538 check_header direct.h
4539 check_header dlfcn.h
4540 check_header d3d11.h
4542 check_header dxva2api.h
4544 check_header mach/mach_time.h
4545 check_header malloc.h
4547 check_header sys/mman.h
4548 check_header sys/param.h
4549 check_header sys/resource.h
4550 check_header sys/select.h
4551 check_header sys/time.h
4552 check_header sys/un.h
4553 check_header unistd.h
4554 check_header valgrind/valgrind.h
4555 check_header vdpau/vdpau.h
4556 check_header vdpau/vdpau_x11.h
4557 check_header VideoDecodeAcceleration/VDADecoder.h
4558 check_header windows.h
4559 check_header X11/extensions/XvMClib.h
4561 # it seems there are versions of clang in some distros that try to use the
4562 # gcc headers, which explodes for stdatomic
4563 # so we also check that atomics actually work here
4564 check_builtin stdatomic_h stdatomic.h "atomic_int foo; atomic_store(&foo, 0)"
4566 check_lib "windows.h shellapi.h" CommandLineToArgvW -lshell32
4567 check_lib "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4568 check_lib "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4570 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4572 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
4573 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
4574 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
4576 check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
4577 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
4578 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
4579 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
4580 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
4582 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
4584 if ! disabled w32threads && ! enabled pthreads; then
4585 check_func_headers "windows.h process.h" _beginthreadex &&
4586 enable w32threads || disable w32threads
4589 # check for some common methods of building with pthread support
4590 # do this before the optional library checks as some of them require pthreads
4591 if ! disabled pthreads && ! enabled w32threads; then
4593 if check_func pthread_join -pthread; then
4595 add_extralibs -pthread
4596 elif check_func pthread_join -pthreads; then
4597 add_cflags -pthreads
4598 add_extralibs -pthreads
4599 elif check_func pthread_join -lpthreadGC2; then
4600 add_extralibs -lpthreadGC2
4601 elif check_lib pthread.h pthread_join -lpthread; then
4603 elif ! check_func pthread_join; then
4609 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)"
4611 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4612 disabled bzlib || check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4614 check_lib math.h sin -lm && LIBM="-lm"
4620 for func in $MATH_FUNCS; do
4621 eval check_mathfunc $func \${${func}_args:-1}
4624 # these are off by default, so fail if requested and not available
4625 enabled avisynth && { check_lib "avisynth/avisynth_c.h windows.h" LoadLibrary ||
4626 check_lib "avxsynth/avxsynth_c.h dlfcn.h" dlopen -ldl ||
4627 die "ERROR: LoadLibrary/dlopen not found, or avisynth header not found"; }
4628 enabled cuda && check_lib cuda.h cuInit -lcuda
4629 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4630 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4631 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4632 enabled libdcadec && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec
4633 enabled libfaac && require libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4634 enabled libfdk_aac && require_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen
4635 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4636 enabled libfreetype && require_pkg_config freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
4637 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4638 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4639 done || die "ERROR: libgsm not found"; }
4640 enabled libhdcd && require_pkg_config libhdcd "hdcd/hdcd_simple.h" hdcd_new
4641 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4642 enabled libkvazaar && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
4643 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
4644 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4645 enabled libnpp && require libnpp npp.h nppGetLibVersion -lnppi -lnppc
4646 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4647 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4648 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
4649 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
4650 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4651 require_pkg_config libopenjpeg1 openjpeg.h opj_version -DOPJ_STATIC; }
4652 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4653 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4654 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4655 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4656 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
4657 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
4658 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4659 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame
4660 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4661 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4662 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4663 enabled libvpx && require_pkg_config "vpx >= 1.3.0" vpx/vpx_codec.h vpx_codec_version && {
4664 enabled libvpx_vp8_decoder && {
4665 check_pkg_config vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
4666 disable libvpx_vp8_decoder;
4668 enabled libvpx_vp8_encoder && {
4669 check_pkg_config vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
4670 disable libvpx_vp8_encoder;
4672 enabled libvpx_vp9_decoder && {
4673 check_pkg_config vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
4674 disable libvpx_vp9_decoder;
4676 enabled libvpx_vp9_encoder && {
4677 check_pkg_config vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
4678 disable libvpx_vp9_encoder;
4680 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
4681 die "libvpx enabled but no supported decoders found"
4684 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4685 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4686 enabled libx264 && require_pkg_config x264 "stdint.h x264.h" x264_encoder_encode &&
4687 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4688 die "ERROR: libx264 version must be >= 0.118."; } &&
4689 { check_cpp_condition x264.h "X264_MPEG2" &&
4691 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
4692 { check_cpp_condition x265.h "X265_BUILD >= 57" ||
4693 die "ERROR: libx265 version must be >= 57."; }
4694 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode -lxavs
4695 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4696 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
4697 { ! enabled cross_compile && {
4698 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
4699 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
4700 check_lib interface/mmal/mmal.h mmal_port_connect ; }
4701 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
4702 die "ERROR: mmal not found"; }
4703 enabled mmal && check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"
4704 enabled omx_rpi && enable omx
4705 enabled omx && { check_header OMX_Core.h ||
4706 { ! enabled cross_compile && enabled omx_rpi && {
4707 add_cflags -isystem/opt/vc/include/IL ; }
4708 check_header OMX_Core.h ; } ||
4709 die "ERROR: OpenMAX IL headers not found"; }
4710 enabled openssl && { { check_pkg_config openssl openssl/ssl.h OPENSSL_init_ssl ||
4711 check_pkg_config openssl openssl/ssl.h SSL_library_init; } && {
4712 add_cflags $openssl_cflags && add_extralibs $openssl_libs; }||
4713 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4714 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4715 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4716 die "ERROR: openssl not found"; }
4718 if enabled gnutls; then
4719 { check_lib gmp.h mpz_export -lgmp && enable gmp; } ||
4720 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4724 if enabled libdc1394; then
4725 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
4726 enable libdc1394_2; } ||
4727 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4728 enable libdc1394_1; } ||
4729 die "ERROR: No version of libdc1394 found "
4732 if enabled nvenc; then
4733 check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."
4734 check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 6" ||
4735 die "ERROR: NVENC API version 5 or older is not supported"
4738 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4739 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4740 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4744 ! disabled pod2man && check_cmd pod2man --help && enable pod2man || disable pod2man
4745 ! disabled texi2html && check_cmd texi2html -version && enable texi2html || disable texi2html
4747 check_header linux/fb.h
4748 check_header linux/videodev2.h
4749 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
4751 check_header AVFoundation/AVFoundation.h &&
4752 check_objcflags -fobjc-arc &&
4753 add_extralibs -framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia ||
4754 disable AVFoundation_AVFoundation_h
4756 check_header sys/videoio.h
4758 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4759 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4760 # w32api 3.12 had it defined wrong
4761 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4763 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4764 { check_header dev/bktr/ioctl_meteor.h &&
4765 check_header dev/bktr/ioctl_bt848.h; } ||
4766 { check_header machine/ioctl_meteor.h &&
4767 check_header machine/ioctl_bt848.h; } ||
4768 { check_header dev/video/meteor/ioctl_meteor.h &&
4769 check_header dev/video/bktr/ioctl_bt848.h; } ||
4770 check_header dev/ic/bt8xx.h
4772 check_header sndio.h
4773 check_header sys/soundcard.h
4774 check_header soundcard.h
4776 enabled_any alsa_indev alsa_outdev &&
4777 check_lib alsa/asoundlib.h snd_pcm_htimestamp -lasound
4779 enabled jack_indev && check_lib jack/jack.h jack_client_open -ljack &&
4780 check_func jack_port_get_latency_range -ljack
4782 enabled_any sndio_indev sndio_outdev && check_lib sndio.h sio_open -lsndio
4784 if enabled libcdio; then
4785 check_lib "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4786 check_lib "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4787 die "ERROR: No usable libcdio/cdparanoia found"
4790 if enabled libxcb; then
4791 check_pkg_config xcb-shape xcb/shape.h xcb_shape_rectangles || {
4792 enabled libxcb && die "ERROR: libxcb not found";
4795 disabled libxcb_shm ||
4796 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
4797 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
4798 } && check_header sys/shm.h && enable libxcb_shm
4800 disabled libxcb_xfixes ||
4801 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
4802 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
4803 } && enable libxcb_xfixes
4805 add_cflags "$xcb_shape_cflags $xcb_event_cflags $xcb_shm_cflags $xcb_xfixes_cflags"
4806 add_extralibs "$xcb_shape_libs $xcb_event_libs $xcb_shm_libs $xcb_xfixes_libs"
4809 enabled vaapi && require vaapi va/va.h vaInitialize -lva
4812 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
4816 check_lib "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm &&
4820 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4823 enabled_any vaapi vdpau && check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib
4825 enabled vaapi && enabled xlib &&
4826 check_lib "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
4829 enabled vdpau && enabled xlib &&
4830 check_lib "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4833 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4835 # add some useful compiler flags if supported
4836 check_cflags -Wdeclaration-after-statement
4838 check_cflags -Wdisabled-optimization
4839 check_cflags -Wpointer-arith
4840 check_cflags -Wredundant-decls
4841 check_cflags -Wwrite-strings
4842 check_cflags -Wtype-limits
4843 check_cflags -Wundef
4844 check_cflags -Wmissing-prototypes
4845 check_cflags -Wstrict-prototypes
4846 enabled extra_warnings && check_cflags -Winline
4847 enabled extra_warnings && check_cflags -Wcast-qual
4849 check_disable_warning(){
4850 warning_flag=-W${1#-Wno-}
4851 test_cflags $warning_flag && add_cflags $1
4854 check_disable_warning -Wno-parentheses
4855 check_disable_warning -Wno-switch
4856 check_disable_warning -Wno-format-zero-length
4857 check_disable_warning -Wno-pointer-sign
4859 # add some linker flags
4860 check_ldflags -Wl,--warn-common
4861 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4862 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
4863 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4865 # add some strip flags
4866 # -wN '..@*' is more selective than -x, but not available everywhere.
4867 check_stripflags -wN \'..@*\' || check_stripflags -x || strip='true'
4869 enabled neon_clobber_test &&
4870 check_ldflags -Wl,--wrap,avcodec_open2 \
4871 -Wl,--wrap,avcodec_decode_audio4 \
4872 -Wl,--wrap,avcodec_decode_video2 \
4873 -Wl,--wrap,avcodec_decode_subtitle2 \
4874 -Wl,--wrap,avcodec_encode_audio2 \
4875 -Wl,--wrap,avcodec_encode_video2 \
4876 -Wl,--wrap,avcodec_encode_subtitle \
4877 -Wl,--wrap,avcodec_send_packet \
4878 -Wl,--wrap,avcodec_receive_packet \
4879 -Wl,--wrap,avcodec_send_frame \
4880 -Wl,--wrap,avcodec_receive_frame \
4881 -Wl,--wrap,avresample_convert ||
4882 disable neon_clobber_test
4884 enabled xmm_clobber_test &&
4885 check_ldflags -Wl,--wrap,avcodec_open2 \
4886 -Wl,--wrap,avcodec_decode_audio4 \
4887 -Wl,--wrap,avcodec_decode_video2 \
4888 -Wl,--wrap,avcodec_decode_subtitle2 \
4889 -Wl,--wrap,avcodec_encode_audio2 \
4890 -Wl,--wrap,avcodec_encode_video2 \
4891 -Wl,--wrap,avcodec_encode_subtitle \
4892 -Wl,--wrap,avcodec_send_packet \
4893 -Wl,--wrap,avcodec_receive_packet \
4894 -Wl,--wrap,avcodec_send_frame \
4895 -Wl,--wrap,avcodec_receive_frame \
4896 -Wl,--wrap,avresample_convert \
4897 -Wl,--wrap,sws_scale ||
4898 disable xmm_clobber_test
4900 check_ld <<EOF && enable proper_dce
4901 extern const int array[512];
4902 static inline int func(void) { return array[0]; }
4903 int main(void) { return 0; }
4906 if enabled proper_dce; then
4907 echo "X { local: *; };" > $TMPV
4908 if test_ldflags -Wl,${version_script},$TMPV; then
4909 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
4910 check_cc <<EOF && enable symver_asm_label
4911 void ff_foo(void) __asm__ ("av_foo@VERSION");
4912 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4914 check_cc <<EOF && enable symver_gnu_asm
4915 __asm__(".symver ff_foo,av_foo@VERSION");
4916 void ff_foo(void) {}
4921 if [ -z "$optflags" ]; then
4922 if enabled small; then
4923 optflags=$cflags_size
4924 elif enabled optimizations; then
4925 optflags=$cflags_speed
4927 optflags=$cflags_noopt
4933 enabled lto && check_ldflags "$@"
4937 if enabled lto; then
4938 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4940 check_ldflags -flto $cpuflags
4943 check_optflags $optflags
4944 check_optflags -fno-math-errno
4945 check_optflags -fno-signed-zeros
4947 if enabled icc; then
4948 # Just warnings, no remarks
4950 # -wd: Disable following warnings
4951 # 144, 167, 556: -Wno-pointer-sign
4952 # 1292: attribute "foo" ignored
4953 # 1419: external declaration in primary source file
4954 # 10006: ignoring unknown option -fno-signed-zeros
4955 # 10148: ignoring unknown option -Wno-parentheses
4956 # 10156: ignoring option '-W'; no argument required
4957 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
4958 # 11030: Warning unknown option --as-needed
4959 # 10156: ignoring option '-export'; no argument required
4960 check_ldflags -wd10156,11030
4961 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4962 enable ebp_available
4963 if enabled x86_32; then
4964 icc_version=$($cc -dumpversion)
4965 test ${icc_version%%.*} -ge 11 &&
4966 check_cflags -falign-stack=maintain-16-byte ||
4967 disable aligned_stack
4969 elif enabled ccc; then
4970 # disable some annoying warnings
4971 add_cflags -msg_disable bitnotint
4972 add_cflags -msg_disable mixfuncvoid
4973 add_cflags -msg_disable nonstandcast
4974 add_cflags -msg_disable unsupieee
4975 elif enabled gcc; then
4976 check_optflags -fno-tree-vectorize
4977 check_cflags -Werror=implicit-function-declaration
4978 check_cflags -Werror=missing-prototypes
4979 check_cflags -Werror=return-type
4980 check_cflags -Werror=declaration-after-statement
4981 check_cflags -Werror=vla
4982 check_cflags -Werror=format-security
4983 check_cflags -fdiagnostics-color=auto
4984 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4985 elif enabled llvm_gcc; then
4986 check_cflags -mllvm -stack-alignment=16
4987 elif enabled clang; then
4988 check_cflags -mllvm -stack-alignment=16
4989 check_cflags -Qunused-arguments
4990 check_cflags -Werror=implicit-function-declaration
4991 check_cflags -Werror=missing-prototypes
4992 check_cflags -Werror=return-type
4993 elif enabled cparser; then
4994 add_cflags -Wno-missing-variable-declarations
4995 add_cflags -Wno-empty-statement
4996 elif enabled armcc; then
4997 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
4998 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
4999 # 2523: use of inline assembly is deprecated
5000 add_cflags -W${armcc_opt},--diag_suppress=2523
5001 add_cflags -W${armcc_opt},--diag_suppress=1207
5002 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5003 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5004 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5005 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5006 elif enabled tms470; then
5007 add_cflags -pds=824 -pds=837
5009 elif enabled pathscale; then
5010 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5011 elif enabled_any msvc icl; then
5012 enabled x86_32 && disable aligned_stack
5013 enabled_all x86_32 debug && add_cflags -Oy-
5014 enabled debug && add_ldflags -debug
5015 enable pragma_deprecated
5016 if enabled icl; then
5017 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5018 # (correctly) on icl 13.x.
5019 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5020 add_cflags -Qansi-alias
5021 # icl will pass the inline asm tests but inline asm is currently
5022 # not supported (build will fail)
5025 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
5026 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5027 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
5028 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
5029 # (as it ends up if the restrict redefine is done before including stdlib.h), while
5030 # MSVC 2013 and newer can handle it fine.
5031 # If this declspec fails, force including stdlib.h before the restrict redefinition
5032 # happens in config.h.
5033 if [ $_restrict != restrict ]; then
5034 check_cc <<EOF || add_cflags -FIstdlib.h
5035 __declspec($_restrict) void* foo(int);
5040 for pfx in "" host_; do
5041 varname=${pfx%_}cc_type
5042 eval "type=\$$varname"
5043 if [ $type = "msvc" ]; then
5044 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
5045 static inline int foo(int a) { return a; }
5052 add_asflags -Qunused-arguments
5058 check_ldflags -Qunused-arguments
5064 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5067 add_cppflags -Dmain=plan9_main
5071 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5073 check_deps $CONFIG_LIST \
5078 enabled_all dxva2 CoTaskMemFree &&
5079 prepend avconv_libs $($ldflags_filter "-lole32") &&
5082 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5084 for thread in $THREADS_LIST; do
5085 if enabled $thread; then
5086 test -n "$thread_type" &&
5087 die "ERROR: Only one thread type must be selected." ||
5088 thread_type="$thread"
5092 if disabled stdatomic_h; then
5093 if enabled atomics_gcc; then
5094 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
5095 elif enabled atomics_win32; then
5096 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
5097 elif enabled atomics_suncc; then
5098 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
5099 elif enabled pthreads; then
5100 add_compat atomics/pthread/stdatomic.o
5101 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
5103 enabled threads && die "Threading is enabled, but no atomics are available"
5104 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
5108 enabled zlib && add_cppflags -DZLIB_CONST
5110 # conditional library dependencies, in linking order
5111 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5112 enabled resample_filter && prepend avfilter_deps "avresample"
5113 enabled scale_filter && prepend avfilter_deps "swscale"
5115 enabled opus_decoder && prepend avcodec_deps "avresample"
5119 eval "deps=\$$lib_deps"
5120 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5124 map 'expand_deps $v' $LIBRARY_LIST
5126 if test "$quiet" != "yes"; then
5128 echo "install prefix $prefix"
5129 echo "source path $source_path"
5130 echo "C compiler $cc"
5131 echo "C library $libc_type"
5132 if test "$host_cc" != "$cc"; then
5133 echo "host C compiler $host_cc"
5134 echo "host C library $host_libc_type"
5136 echo "ARCH $arch ($cpu)"
5137 if test "$build_suffix" != ""; then
5138 echo "build suffix $build_suffix"
5140 if test "$extra_version" != ""; then
5141 echo "version string suffix $extra_version"
5143 echo "big-endian ${bigendian-no}"
5144 echo "runtime cpu detection ${runtime_cpudetect-no}"
5145 if enabled x86; then
5146 echo "${yasmexe} ${yasm-no}"
5147 echo "MMX enabled ${mmx-no}"
5148 echo "MMXEXT enabled ${mmxext-no}"
5149 echo "3DNow! enabled ${amd3dnow-no}"
5150 echo "3DNow! extended enabled ${amd3dnowext-no}"
5151 echo "SSE enabled ${sse-no}"
5152 echo "SSSE3 enabled ${ssse3-no}"
5153 echo "AVX enabled ${avx-no}"
5154 echo "XOP enabled ${xop-no}"
5155 echo "FMA3 enabled ${fma3-no}"
5156 echo "FMA4 enabled ${fma4-no}"
5157 echo "i686 features enabled ${i686-no}"
5158 echo "CMOV is fast ${fast_cmov-no}"
5159 echo "EBX available ${ebx_available-no}"
5160 echo "EBP available ${ebp_available-no}"
5162 if enabled aarch64; then
5163 echo "NEON enabled ${neon-no}"
5164 echo "VFP enabled ${vfp-no}"
5166 if enabled arm; then
5167 echo "ARMv5TE enabled ${armv5te-no}"
5168 echo "ARMv6 enabled ${armv6-no}"
5169 echo "ARMv6T2 enabled ${armv6t2-no}"
5170 echo "VFP enabled ${vfp-no}"
5171 echo "NEON enabled ${neon-no}"
5173 if enabled ppc; then
5174 echo "AltiVec enabled ${altivec-no}"
5175 echo "VSX enabled ${vsx-no}"
5176 echo "POWER8 enabled ${power8-no}"
5177 echo "PPC 4xx optimizations ${ppc4xx-no}"
5178 echo "dcbzl available ${dcbzl-no}"
5180 echo "debug symbols ${debug-no}"
5181 echo "optimize for size ${small-no}"
5182 echo "optimizations ${optimizations-no}"
5183 echo "static ${static-no}"
5184 echo "shared ${shared-no}"
5185 echo "network support ${network-no}"
5186 echo "threading support ${thread_type-no}"
5187 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5188 test -n "$random_seed" &&
5189 echo "random seed ${random_seed}"
5192 echo "External libraries:"
5193 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5195 echo "External libraries providing hardware acceleration:"
5196 print_enabled '' $HWACCEL_LIBRARY_LIST | print_3_columns
5200 print_enabled '' $LIBRARY_LIST | print_3_columns
5204 print_enabled '' $PROGRAM_LIST | print_3_columns
5207 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5208 echo "Enabled ${type}s:"
5209 eval list=\$$(toupper $type)_LIST
5210 print_enabled '_*' $list | print_3_columns
5214 license="LGPL version 2.1 or later"
5215 if enabled nonfree; then
5216 license="nonfree and unredistributable"
5217 elif enabled gplv3; then
5218 license="GPL version 3 or later"
5219 elif enabled lgplv3; then
5220 license="LGPL version 3 or later"
5221 elif enabled gpl; then
5222 license="GPL version 2 or later"
5225 echo "License: $license"
5227 echo "Creating configuration files ..."
5229 fi # test "$quiet" != "yes"
5231 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5233 config_files="$TMPH config.mak"
5235 cat > config.mak <<EOF
5236 # Automatically generated by configure - do not modify!
5237 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
5239 LIBDIR=\$(DESTDIR)$libdir
5240 SHLIBDIR=\$(DESTDIR)$shlibdir
5241 INCDIR=\$(DESTDIR)$incdir
5242 BINDIR=\$(DESTDIR)$bindir
5243 DATADIR=\$(DESTDIR)$datadir
5244 DOCDIR=\$(DESTDIR)$docdir
5245 MANDIR=\$(DESTDIR)$mandir
5246 SRC_PATH=$source_path
5249 INTRINSICS=$intrinsics
5256 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5258 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5269 OBJCFLAGS=$OBJCFLAGS
5284 LDEXEFLAGS=$LDEXEFLAGS
5285 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5286 STRIPFLAGS=$STRIPFLAGS
5287 YASMFLAGS=$YASMFLAGS
5288 BUILDSUF=$build_suffix
5296 EXTRA_VERSION=$extra_version
5298 CCDEP_FLAGS=$CCDEP_FLAGS
5300 ASDEP_FLAGS=$ASDEP_FLAGS
5301 CC_DEPFLAGS=$CC_DEPFLAGS
5302 AS_DEPFLAGS=$AS_DEPFLAGS
5305 HOSTCFLAGS=$host_cflags
5306 HOSTCPPFLAGS=$host_cppflags
5307 HOSTEXESUF=$HOSTEXESUF
5308 HOSTLDFLAGS=$host_ldflags
5311 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5312 HOSTCCDEP=$HOSTCCDEP
5313 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5314 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5318 TARGET_EXEC=$target_exec $target_exec_args
5319 TARGET_PATH=$target_path
5320 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5321 CFLAGS-avplay=$sdl_cflags
5322 ZLIB=$($ldflags_filter -lz)
5323 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5324 EXTRALIBS=$extralibs
5325 COMPAT_OBJS=$compat_objs
5328 LIBTARGET=${LIBTARGET}
5329 SLIBNAME=${SLIBNAME}
5330 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5331 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5332 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5333 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5334 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5335 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5336 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5337 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5338 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
5339 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
5344 name=$(toupper $lcname)
5345 file=$source_path/$lcname/version.h
5346 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5347 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5348 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5349 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5350 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5353 map 'get_version $v' $LIBRARY_LIST
5355 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
5357 print_program_libs(){
5358 eval "program_libs=\$${1}_libs"
5359 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5362 map 'print_program_libs $v' $PROGRAM_LIST
5365 /* Automatically generated by configure - do not modify! */
5366 #ifndef LIBAV_CONFIG_H
5367 #define LIBAV_CONFIG_H
5368 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
5369 #define LIBAV_LICENSE "$(c_escape $license)"
5370 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5371 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5372 #define restrict $_restrict
5373 #define EXTERN_PREFIX "${extern_prefix}"
5374 #define EXTERN_ASM ${extern_prefix}
5375 #define SLIBSUF "$SLIBSUF"
5378 test -n "$malloc_prefix" &&
5379 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5381 if enabled yasm; then
5382 append config_files $TMPASM
5386 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5388 print_config ARCH_ "$config_files" $ARCH_LIST
5389 print_config HAVE_ "$config_files" $HAVE_LIST
5390 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5394 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
5396 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5397 cp_if_changed $TMPH config.h
5400 enabled yasm && cp_if_changed $TMPASM config.asm
5403 /* Generated by ffconf */
5404 #ifndef AVUTIL_AVCONFIG_H
5405 #define AVUTIL_AVCONFIG_H
5408 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5410 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5412 cp_if_changed $TMPH libavutil/avconfig.h
5414 # generate the lists of enabled components
5415 print_enabled_components(){
5420 echo "static const $struct_name *$name[] = {" > $TMPH
5422 enabled $c && printf " &ff_%s,\n" $c >> $TMPH
5424 echo " NULL };" >> $TMPH
5425 cp_if_changed $TMPH $file
5428 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
5429 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
5431 test -n "$WARNINGS" && printf "\n$WARNINGS"
5433 # build pkg-config files
5436 eval printf "\"lib${1} >= \$LIB$(toupper ${1})_VERSION, \""
5439 pkgconfig_generate(){
5441 shortname=${name#lib}${build_suffix}
5445 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
5446 requires=${requires%, }
5447 enabled ${name#lib} || return 0
5449 cat <<EOF > $name/$name.pc
5451 exec_prefix=\${prefix}
5456 Description: $comment
5458 Requires: $(enabled shared || echo $requires)
5459 Requires.private: $(enabled shared && echo $requires)
5461 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
5462 Libs.private: $(enabled shared && echo $libs)
5463 Cflags: -I\${includedir}
5465 cat <<EOF > $name/$name-uninstalled.pc
5468 libdir=\${pcfiledir}
5469 includedir=${source_path}
5472 Description: $comment
5476 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
5477 Cflags: -I\${includedir}
5481 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
5482 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs"
5483 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
5484 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
5485 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
5486 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
5487 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"