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:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --quiet Suppress showing informative output
67 --list-decoders show all available decoders
68 --list-encoders show all available encoders
69 --list-hwaccels show all available hardware accelerators
70 --list-demuxers show all available demuxers
71 --list-muxers show all available muxers
72 --list-parsers show all available parsers
73 --list-protocols show all available protocols
74 --list-bsfs show all available bitstream filters
75 --list-indevs show all available input devices
76 --list-outdevs show all available output devices
77 --list-filters show all available filters
80 --logfile=FILE log tests and output to FILE [avbuild/config.log]
81 --disable-logging do not log configure debug information
82 --prefix=PREFIX install in PREFIX [$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-avxsynth Linux version of AviSynth
192 --enable-bzlib bzip2 compression [autodetect]
193 --enable-frei0r video filtering plugins
194 --enable-gnutls crypto
195 --enable-libbs2b Bauer stereophonic-to-binaural DSP
196 --enable-libcdio audio CD input
197 --enable-libdc1394 IEEE 1394/Firewire camera input
198 --enable-libdcadec DCA audio decoding
199 --enable-libfaac AAC audio encoding
200 --enable-libfdk-aac AAC audio encoding/decoding
201 --enable-libfontconfig font configuration and management
202 --enable-libfreetype font rendering
203 --enable-libgsm GSM audio encoding/decoding
204 --enable-libhdcd HDCD decoding filter
205 --enable-libilbc ILBC audio encoding/decoding
206 --enable-libjack JACK audio sound server
207 --enable-libkvazaar HEVC video encoding
208 --enable-libmp3lame MP3 audio encoding
209 --enable-libopencore-amrnb AMR-NB audio encoding/decoding
210 --enable-libopencore-amrwb AMR-WB audio decoding
211 --enable-libopencv computer vision
212 --enable-libopenh264 H.264 video encoding/decoding
213 --enable-libopenjpeg JPEG 2000 image encoding/decoding
214 --enable-libopus Opus audio encoding/decoding
215 --enable-libpulse Pulseaudio sound server
216 --enable-librtmp RTMP streaming
217 --enable-libschroedinger Dirac video encoding/decoding
218 --enable-libsnappy snappy compression
219 --enable-libspeex Speex audio encoding/decoding
220 --enable-libtheora Theora video encoding/decoding
221 --enable-libtwolame MP2 audio encoding
222 --enable-libvo-aacenc AAC audio encoding
223 --enable-libvo-amrwbenc AMR-WB audio encoding
224 --enable-libvorbis Vorbis audio encoding/decoding
225 --enable-libvpx VP* video encoding/decoding
226 --enable-libwavpack Wavpack audio encoding/decoding
227 --enable-libwebp WebP image encoding/decoding
228 --enable-libx264 H.264 video encoding
229 --enable-libx265 HEVC video encoding
230 --enable-libxavs Chinese AVS video encoding
231 --enable-libxcb X window system protocol communication
232 --enable-libxcb-shm X11 shm communication [auto]
233 --enable-libxcb-xfixes X11 mouse rendering [auto]
234 --enable-libxvid MPEG-4 ASP video encoding
235 --enable-openssl crypto
236 --enable-zlib compression [autodetect]
238 The following libraries provide various hardware acceleration features:
239 --enable-cuda Nvidia CUDA (dynamically linked)
240 --enable-cuvid Nvidia CUVID video decode acceleration
241 --enable-d3d11va Microsoft Direct3D 11 video acceleration [auto]
242 --enable-dxva2 Microsoft DirectX 9 video acceleration [auto]
243 --enable-libmfx Intel MediaSDK (AKA Quick Sync Video)
244 --enable-libnpp Nvidia CUDA processing
245 --enable-mmal Broadcom Multi-Media Abstraction Layer (Raspberry Pi)
246 --enable-nvenc Nvidia video encoding
247 --enable-omx OpenMAX IL
248 --enable-omx-rpi OpenMAX IL for Raspberry Pi
249 --enable-vaapi Video Acceleration API (mainly Unix/Intel)
250 --enable-vda Apple Video Decode Acceleration [auto]
251 --enable-vdpau Nvidia Video Decode and Presentation API for Unix [auto]
254 --arch=ARCH select architecture [$arch]
255 --cpu=CPU select the minimum required CPU (affects
256 instruction selection, may crash on older CPUs)
257 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
258 --enable-cross-compile assume a cross-compiler is used
259 --sysroot=PATH root of cross-build tree
260 --sysinclude=PATH location of cross-build system headers
261 --target-os=OS compiler targets OS [$target_os]
262 --target-exec=CMD command to run executables on target
263 --target-path=DIR path to view of build directory on target
264 --target-samples=DIR path to samples directory on target
265 --toolchain=NAME set tool defaults according to NAME
267 --ar=AR use archive tool AR [$ar_default]
268 --as=AS use assembler AS [$as_default]
269 --cc=CC use C compiler CC [$cc_default]
270 --objcc=OCC use ObjC compiler OCC [$cc_default]
271 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
272 --ld=LD use linker LD
273 --x86asmexe=X86ASM use x86 assembler X86ASM
274 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
275 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
276 --host-cc=HOSTCC use host C compiler HOSTCC
277 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
278 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
279 --host-ld=HOSTLD use host linker HOSTLD
280 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
281 --host-libs=HLIBS use libs HLIBS when linking for host
282 --host-os=OS compiler host OS [$target_os]
283 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
284 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
285 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
286 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
287 --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
288 --extra-libs=ELIBS add ELIBS [$ELIBS]
289 --extra-version=STRING version string suffix []
290 --optflags=OPTFLAGS override optimization-related compiler flags
291 --enable-pic build position-independent code
292 --enable-thumb compile for Thumb instruction set
293 --enable-lto use link-time optimization
294 --env="ENV=override" override the environment variables
296 Advanced options (experts only):
297 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
298 --custom-allocator=NAME use a supported custom allocator
299 --disable-symver disable symbol versioning
300 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
301 --disable-safe-bitstream-reader
302 disable buffer boundary checking in bitreaders
303 (faster, but may crash)
304 --enable-sram allow use of on-chip SRAM
306 Optimization options (experts only):
307 --disable-asm disable all assembly optimizations
308 --disable-altivec disable AltiVec optimizations
309 --disable-vsx disable VSX optimizations
310 --disable-power8 disable POWER8 optimizations
311 --disable-amd3dnow disable 3DNow! optimizations
312 --disable-amd3dnowext disable 3DNow! extended optimizations
313 --disable-mmx disable MMX optimizations
314 --disable-mmxext disable MMXEXT optimizations
315 --disable-sse disable SSE optimizations
316 --disable-sse2 disable SSE2 optimizations
317 --disable-sse3 disable SSE3 optimizations
318 --disable-ssse3 disable SSSE3 optimizations
319 --disable-sse4 disable SSE4 optimizations
320 --disable-sse42 disable SSE4.2 optimizations
321 --disable-avx disable AVX optimizations
322 --disable-xop disable XOP optimizations
323 --disable-fma3 disable FMA3 optimizations
324 --disable-fma4 disable FMA4 optimizations
325 --disable-avx2 disable AVX2 optimizations
326 --disable-armv5te disable armv5te optimizations
327 --disable-armv6 disable armv6 optimizations
328 --disable-armv6t2 disable armv6t2 optimizations
329 --disable-vfp disable VFP optimizations
330 --disable-neon disable NEON optimizations
331 --disable-inline-asm disable use of inline assembly
332 --disable-x86asm disable use of standalone x86 assembly
334 Developer options (useful when working on Libav itself):
335 --disable-debug disable debugging symbols
336 --enable-debug=LEVEL set the debug level [$debuglevel]
337 --disable-optimizations disable compiler optimizations
338 --enable-extra-warnings enable more compiler warnings
339 --samples=PATH location of test samples for FATE, if not set use
340 \$LIBAV_SAMPLES at make invocation time.
341 --enable-neon-clobber-test check NEON registers for clobbering (should be
342 used only for debugging purposes)
343 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
344 should be used only for debugging purposes)
345 --enable-random randomly enable/disable components
347 --enable-random=LIST randomly enable/disable specific components or
348 --disable-random=LIST component groups. LIST is a comma-separated list
349 of NAME[:PROB] entries where NAME is a component
350 (group) and PROB the probability associated with
352 --random-seed=VALUE seed value for --enable/disable-random
353 --disable-valgrind-backtrace do not print a backtrace under Valgrind
354 (only applies to --disable-optimizations builds)
355 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
356 in the name) of tests whose result is ignored
358 NOTE: Object files are built at the place where configure is launched.
366 echo "$@" >> $logfile
373 printf '%5s %s\n' "${i}" "${line}"
375 done < $1 >> $logfile
386 WARNINGS="${WARNINGS}WARNING: $*\n"
393 If you think configure made a mistake, make sure you are using the latest
394 version from Git. If the latest version fails, report the problem to the
395 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
397 if disabled logging; then
399 Rerun configure with logging enabled (do not use --disable-logging), and
400 include the log this produces with your report.
404 Include the log file "$logfile" produced by configure as this will help
411 # Avoid locale weirdness, besides we really just want to translate ASCII.
413 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
417 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
421 echo "$*" | sed 's/["\\]/\\\0/g'
425 v=$(echo "$1" | sed "s/'/'\\\\''/g")
426 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
431 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
438 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
446 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
453 for v; do eval $m; done
459 for v; do echo ${v}${suffix}; done
474 eval : \${$var:=$value}
479 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
485 eval $(sanitize_var_name "$var")='$*'
489 eval echo \$$(sanitize_var_name "$1")
494 eval level=\${${pvar}_level:=0}
495 eval ${pvar}_${level}="\$$pvar"
496 eval ${pvar}_level=$(($level+1))
502 eval level=\${${pvar}_level:-0}
503 test $level = 0 && continue
504 eval level=$(($level-1))
505 eval $pvar="\${${pvar}_${level}}"
506 eval ${pvar}_level=$level
507 eval unset ${pvar}_${level}
529 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
535 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
541 enabled $var && continue
542 eval sel="\$${var}_select"
543 eval sgs="\$${var}_suggest"
547 enable_deep_weak $sgs
559 disabled $var && continue
568 test "${1#!}" = "$1" && op== || op=!=
569 eval test "x\$${1#!}" $op "xyes"
573 test "${1#!}" = "$1" && op== || op=!=
574 eval test "x\$${1#!}" $op "xno"
579 enabled $opt || return 1
585 disabled $opt || return 1
591 enabled $opt && return 0
597 disabled $opt && return 0
604 eval : \${$opt:=\$${opt}_default}
612 [ $var = $value ] && return 0
619 enabled ${cfg}_checking && die "Circular dependency for $cfg."
620 disabled ${cfg}_checking && continue
621 enable ${cfg}_checking
623 eval dep_all="\$${cfg}_deps"
624 eval dep_any="\$${cfg}_deps_any"
625 eval dep_con="\$${cfg}_conflict"
626 eval dep_sel="\$${cfg}_select"
627 eval dep_sgs="\$${cfg}_suggest"
628 eval dep_ifa="\$${cfg}_if"
629 eval dep_ifn="\$${cfg}_if_any"
631 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
632 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
633 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
635 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
636 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
637 enabled_all $dep_all || disable $cfg
638 enabled_any $dep_any || disable $cfg
639 disabled_all $dep_con || disable $cfg
640 disabled_any $dep_sel && disable $cfg
642 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
644 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
645 # filter out library deps, these do not belong in extralibs
646 is_in $dep $LIBRARY_LIST && continue
647 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
650 disable ${cfg}_checking
658 map 'eval echo "$v \${$v:-no}"' "$@" |
659 awk "BEGIN { split(\"$files\", files) }
661 c = \"$pfx\" toupper(\$1);
667 if (file ~ /\\.h\$/) {
668 printf(\"#define %s %d\\n\", c, v) >>file;
669 } else if (file ~ /\\.asm\$/) {
670 printf(\"%%define %s %d\\n\", c, v) >>file;
671 } else if (file ~ /\\.mak\$/) {
672 n = -v ? \"\" : \"!\";
673 printf(\"%s%s=yes\\n\", n, c) >>file;
683 enabled $v && printf "%s\n" ${v%$suf}
690 eval "$var=\"\$$var $*\""
696 eval "$var=\"$* \$$var\""
702 for tok in $(eval echo \$$var); do
703 uniq_list="$(filter_out $tok $uniq_list) $tok"
705 eval "$var=\"${uniq_list}\""
711 for entry in $(eval echo \$$var); do
712 tmpvar="$tmpvar $(eval echo \$${entry})"
714 eval "$var=\"${tmpvar}\""
722 append CFLAGS $($cflags_filter "$@")
725 add_cflags_headers(){
726 append CFLAGS_HEADERS $($cflags_filter "$@")
730 append ASFLAGS $($asflags_filter "$@")
734 append OBJCFLAGS $($objcflags_filter "$@")
738 append LDFLAGS $($ldflags_filter "$@")
742 append LDEXEFLAGS $($ldflags_filter "$@")
746 append LDSOFLAGS $($ldflags_filter "$@")
750 append STRIPFLAGS "$@"
754 prepend extralibs $($ldflags_filter "$@")
758 append host_cppflags "$@"
762 append host_cflags $($host_cflags_filter "$@")
766 append host_ldflags $($host_ldflags_filter "$@")
770 append compat_objs $1
772 map 'add_cppflags -D$v' "$@"
777 "$@" >> $logfile 2>&1
781 eval printf '%s\\n' $CC_O
785 eval printf '%s\\n' $CC_E
792 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
799 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
806 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
810 eval printf '%s\\n' $AS_O
817 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
821 log check_inline_asm "$@"
826 check_cc "$@" <<EOF && enable $name
827 void foo(void){ __asm__ volatile($code); }
833 check_inline_asm ${1}_inline "\"$2\""
834 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
838 log check_x86asm "$@"
842 check_cmd $x86asmexe $X86ASMFLAGS "$@" -o $TMPO $TMPS
846 eval printf '%s\\n' $LD_O
851 flags=$(filter_out '-l*' "$@")
852 libs=$(filter '-l*' "$@")
853 check_cc $($cflags_filter $flags) || return
854 flags=$($ldflags_filter $flags)
855 libs=$($ldflags_filter $libs)
856 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
861 test "${hdr%.h}" = "${hdr}" &&
862 echo "#include $hdr" ||
863 echo "#include <$hdr>"
873 for hdr in $headers; do
876 echo "int main(void) { $code; return 0; }"
877 } | check_$check "$@"
881 log check_cppflags "$@"
882 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
889 set -- $($cflags_filter "$@")
896 log check_cflags "$@"
897 test_cflags "$@" && add_cflags "$@"
901 log test_objcflags "$@"
902 set -- $($objcflags_filter "$@")
903 check_objcc "$@" <<EOF
909 log check_objcflags "$@"
910 test_objcflags "$@" && add_objcflags "$@"
914 log test_ldflags "$@"
916 int main(void){ return 0; }
921 log check_ldflags "$@"
922 test_ldflags "$@" && add_ldflags "$@"
926 log test_stripflags "$@"
927 # call check_cc to get a fresh TMPO
929 int main(void) { return 0; }
931 check_cmd $strip $STRIPFLAGS "$@" $TMPO
935 log check_stripflags "$@"
936 test_stripflags "$@" && add_stripflags "$@"
940 log check_header "$@"
943 disable_sanitized $header
944 check_cpp "$@" <<EOF && enable_sanitized $header
955 check_ld "$@" <<EOF && enable $func
957 int main(void){ $func(); }
962 log check_mathfunc "$@"
966 test $narg = 2 && args="f, g" || args="f"
968 check_ld "$@" <<EOF && enable $func
970 float foo(float f, float g) { return $func($args); }
971 int main(void){ return 0; }
975 check_func_headers(){
976 log check_func_headers "$@"
981 for hdr in $headers; do
984 for func in $funcs; do
985 echo "long check_$func(void) { return (long) $func; }"
987 echo "int main(void) { return 0; }"
988 } | check_ld "$@" && enable $funcs && enable_sanitized $headers
991 check_cpp_condition(){
992 log check_cpp_condition "$@"
999 #error "unsatisfied condition: $condition"
1005 log test_cflags_cpp "$@"
1009 set -- $($cflags_filter "$flags")
1010 check_cpp "$@" <<EOF
1012 #error "unsatisfied condition: $condition"
1024 check_func_headers "$headers" "$funcs" "$@" &&
1025 enable $name && eval ${name}_extralibs="\$@"
1029 log check_pkg_config "$@"
1037 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1038 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1039 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1040 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1042 add_cflags "$pkg_cflags" &&
1043 eval $(sanitize_var_name ${name}_extralibs)="\$pkg_libs"
1047 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1051 log check_exec_crash "$@"
1054 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1055 # are safe but may not be available everywhere. Thus we use
1056 # raise(SIGTERM) instead. The check is run in a subshell so we
1057 # can redirect the "Terminated" message from the shell. SIGBUS
1058 # is not defined by standard C so it is used conditionally.
1060 (check_exec "$@") >> $logfile 2>&1 <<EOF
1062 static void sighandler(int sig){
1068 int (*func_ptr)(void) = foo;
1070 signal(SIGILL, sighandler);
1071 signal(SIGFPE, sighandler);
1072 signal(SIGSEGV, sighandler);
1074 signal(SIGBUS, sighandler);
1086 disable_sanitized "$type"
1087 check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1091 log check_struct "$@"
1096 disable_sanitized "${struct}_${member}"
1097 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1098 enable_sanitized "${struct}_${member}"
1102 log check_builtin "$@"
1108 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1111 check_compile_assert(){
1112 log check_compile_assert "$@"
1118 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1128 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1135 check_header "$header" "$@" || die "ERROR: $header not found"
1138 require_cpp_condition(){
1143 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1146 require_pkg_config(){
1147 log require_pkg_config "$@"
1149 check_pkg_config "$@" || die "ERROR: $pkg_version not found"
1153 eval printf '%s\\n' $HOSTCC_E
1157 eval printf '%s\\n' $HOSTCC_O
1161 log check_host_cc "$@"
1164 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1168 log check_host_cpp "$@"
1171 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1174 check_host_cppflags(){
1175 log check_host_cppflags "$@"
1176 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1177 #include <stdlib.h>;
1181 check_host_cflags(){
1182 log check_host_cflags "$@"
1183 set -- $($host_cflags_filter "$@")
1184 check_host_cc "$@" <<EOF && append host_cflags "$@"
1189 check_host_cpp_condition(){
1190 log check_host_cpp_condition "$@"
1194 check_host_cpp "$@" <<EOF
1197 #error "unsatisfied condition: $condition"
1205 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1209 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1210 mkdir -p "$(dirname $2)"
1214 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1215 # system-dependent things.
1217 AVCODEC_COMPONENTS="
1225 AVDEVICE_COMPONENTS="
1229 AVFILTER_COMPONENTS="
1232 AVFORMAT_COMPONENTS="
1238 AVRESAMPLE_COMPONENTS=""
1239 AVUTIL_COMPONENTS=""
1243 $AVDEVICE_COMPONENTS
1244 $AVFILTER_COMPONENTS
1245 $AVFORMAT_COMPONENTS
1246 $AVRESAMPLE_COMPONENTS
1251 decode_audio_example
1252 decode_video_example
1253 encode_audio_example
1254 encode_video_example
1255 filter_audio_example
1259 transcode_aac_example
1262 # catchall list of things that require external libs to link
1268 HWACCEL_LIBRARY_NONFREE_LIST="
1273 HWACCEL_LIBRARY_LIST="
1274 $HWACCEL_LIBRARY_NONFREE_LIST
1286 EXTERNAL_LIBRARY_GPL_LIST="
1294 EXTERNAL_LIBRARY_NONFREE_LIST="
1300 EXTERNAL_LIBRARY_VERSION3_LIST="
1307 EXTERNAL_LIBRARY_LIST="
1308 $EXTERNAL_LIBRARY_GPL_LIST
1309 $EXTERNAL_LIBRARY_NONFREE_LIST
1310 $EXTERNAL_LIBRARY_VERSION3_LIST
1346 SYSTEM_LIBRARY_LIST="
1356 safe_bitstream_reader
1399 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1402 $EXTERNAL_LIBRARY_LIST
1403 $HWACCEL_LIBRARY_LIST
1409 $SYSTEM_LIBRARY_LIST
1468 ARCH_EXT_LIST_X86_SIMD="
1496 $ARCH_EXT_LIST_X86_SIMD
1501 ARCH_EXT_LIST_MIPS="
1538 sync_val_compare_and_swap
1552 AVFoundation_AVFoundation_h
1556 cdio_paranoia_paranoia_h
1559 dev_bktr_ioctl_bt848_h
1560 dev_bktr_ioctl_meteor_h
1562 dev_video_bktr_ioctl_bt848_h
1563 dev_video_meteor_ioctl_meteor_h
1571 machine_ioctl_bt848_h
1572 machine_ioctl_meteor_h
1636 GetProcessAffinityMask
1637 GetProcessMemoryInfo
1640 GetSystemTimeAsFileTime
1656 SetConsoleTextAttribute
1667 TOOLCHAIN_FEATURES="
1690 CONDITION_VARIABLE_Ptr
1691 CUVIDDECODECREATEINFO_bitDepthMinus8
1694 struct_group_source_req
1695 struct_ip_mreq_source
1698 struct_rusage_ru_maxrss
1700 struct_sockaddr_sa_len
1701 struct_sockaddr_storage
1702 struct_v4l2_frmivalenum_discrete
1707 $(add_suffix _external $ARCH_EXT_LIST)
1708 $(add_suffix _inline $ARCH_EXT_LIST)
1722 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
1732 # options emitted with CONFIG_ prefix but not available on the command line
1887 # code dependency declarations
1889 # architecture extensions
1894 armv8_deps="aarch64"
1895 neon_deps_any="aarch64 arm"
1896 intrinsics_neon_deps="neon"
1897 vfp_deps_any="aarch64 arm"
1900 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1909 loongson_deps="mips"
1910 mips32r1_deps="mips32"
1911 mips32r2_deps="mips32"
1912 mips32r6_deps="mips32"
1913 mips64r1_deps="mips64"
1914 mips64r2_deps="mips64"
1915 mips64r6_deps="mips64"
1920 x86_64_select="i686"
1921 x86_64_suggest="fast_cmov"
1924 amd3dnowext_deps="amd3dnow"
1940 mmx_external_deps="x86asm"
1941 mmx_inline_deps="inline_asm x86"
1942 mmx_suggest="mmx_external mmx_inline"
1944 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1945 eval dep=\$${ext}_deps
1946 eval ${ext}_external_deps='"${dep}_external"'
1947 eval ${ext}_inline_deps='"${dep}_inline"'
1948 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1951 aligned_stack_if_any="aarch64 ppc x86"
1952 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1953 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1954 fast_unaligned_if_any="aarch64 ppc x86"
1955 simd_align_16_if_any="altivec neon sse"
1956 simd_align_32_if_any="avx"
1958 # system capabilities
1959 symver_if_any="symver_asm_label symver_gnu_asm"
1960 valgrind_backtrace_conflict="optimizations"
1961 valgrind_backtrace_deps="valgrind_valgrind_h"
1964 atomics_gcc_if="sync_val_compare_and_swap"
1965 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1966 atomics_win32_if="MemoryBarrier"
1967 atomics_native_if_any="$ATOMICS_LIST"
1968 w32threads_deps="atomics_native"
1969 threads_if_any="$THREADS_LIST"
1972 cbs_h264_select="cbs golomb"
1973 cbs_h265_select="cbs golomb"
1974 cbs_mpeg2_select="cbs"
1976 dirac_parse_select="golomb"
1977 error_resilience_select="me_cmp"
1979 faandct_select="fdctdsp"
1980 faanidct_deps="faan"
1981 faanidct_select="idctdsp"
1982 h264dsp_select="startcode"
1983 hevc_ps_select="golomb"
1984 intrax8_select="blockdsp idctdsp"
1987 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1988 mpeg_er_select="error_resilience"
1989 mpegaudio_select="mpegaudiodsp mpegaudioheader"
1990 mpegaudiodsp_select="dct"
1991 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1992 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1993 vc1dsp_select="h264chroma qpeldsp startcode"
1995 # decoders / encoders
1996 aac_decoder_select="adts_header imdct15 mdct sinewin"
1997 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1998 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1999 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2000 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2001 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2002 adpcm_g722_decoder_select="g722dsp"
2003 adpcm_g722_encoder_select="g722dsp"
2004 aic_decoder_select="golomb idctdsp"
2005 alac_encoder_select="lpc"
2006 als_decoder_select="bswapdsp"
2007 amrnb_decoder_select="lsp"
2008 amrwb_decoder_select="lsp"
2009 amv_decoder_select="sp5x_decoder"
2010 ape_decoder_select="bswapdsp"
2011 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2012 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2013 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2014 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2015 atrac1_decoder_select="mdct sinewin"
2016 atrac3_decoder_select="mdct"
2017 atrac3p_decoder_select="mdct sinewin"
2018 bink_decoder_select="blockdsp hpeldsp"
2019 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2020 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2021 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2022 clearvideo_decoder_select="idctdsp"
2023 cllc_decoder_select="bswapdsp"
2024 comfortnoise_encoder_select="lpc"
2025 cook_decoder_select="audiodsp mdct sinewin"
2026 cscd_decoder_select="lzo"
2027 cscd_decoder_suggest="zlib"
2028 dca_decoder_select="fmtconvert mdct"
2029 dds_decoder_select="texturedsp"
2030 dnxhd_decoder_select="blockdsp idctdsp"
2031 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2032 dvvideo_decoder_select="dvprofile idctdsp"
2033 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2034 dxa_decoder_deps="zlib"
2035 dxv_decoder_select="lzf texturedsp"
2036 eac3_decoder_select="ac3_decoder"
2037 eac3_encoder_select="ac3_encoder"
2038 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2039 eatgq_decoder_select="aandcttables idctdsp"
2040 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2041 exr_decoder_deps="zlib"
2042 ffv1_decoder_select="rangecoder"
2043 ffv1_encoder_select="rangecoder"
2044 ffvhuff_decoder_select="huffyuv_decoder"
2045 ffvhuff_encoder_select="huffyuv_encoder"
2046 fic_decoder_select="golomb"
2047 flac_decoder_select="flacdsp"
2048 flac_encoder_select="bswapdsp flacdsp lpc"
2049 flashsv_decoder_deps="zlib"
2050 flashsv_encoder_deps="zlib"
2051 flashsv2_decoder_deps="zlib"
2052 flv_decoder_select="h263_decoder"
2053 flv_encoder_select="h263_encoder"
2054 fourxm_decoder_select="blockdsp bswapdsp"
2055 fraps_decoder_select="bswapdsp huffman"
2056 g2m_decoder_deps="zlib"
2057 g2m_decoder_select="blockdsp idctdsp jpegtables"
2058 h261_decoder_select="mpeg_er mpegvideo"
2059 h261_encoder_select="aandcttables mpegvideoenc"
2060 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2061 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2062 h263i_decoder_select="h263_decoder"
2063 h263p_encoder_select="h263_encoder"
2064 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2065 h264_decoder_suggest="error_resilience"
2066 hap_decoder_select="snappy texturedsp"
2067 hap_encoder_deps="libsnappy"
2068 hap_encoder_select="texturedspenc"
2069 hevc_decoder_select="bswapdsp cabac hevc_ps videodsp"
2070 huffyuv_decoder_select="bswapdsp huffyuvdsp"
2071 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
2072 iac_decoder_select="imc_decoder"
2073 imc_decoder_select="bswapdsp fft mdct sinewin"
2074 indeo3_decoder_select="hpeldsp"
2075 indeo4_decoder_select="ividsp"
2076 indeo5_decoder_select="ividsp"
2077 interplay_video_decoder_select="hpeldsp"
2078 jpegls_decoder_select="mjpeg_decoder"
2079 jv_decoder_select="blockdsp"
2080 lagarith_decoder_select="huffyuvdsp"
2081 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2082 magicyuv_decoder_select="huffyuvdsp"
2083 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2084 metasound_decoder_select="lsp mdct sinewin"
2085 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2086 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
2087 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2088 mjpegb_decoder_select="mjpeg_decoder"
2089 mlp_decoder_select="mlp_parser"
2090 motionpixels_decoder_select="bswapdsp"
2091 mp1_decoder_select="mpegaudio"
2092 mp1float_decoder_select="mpegaudio"
2093 mp2_decoder_select="mpegaudio"
2094 mp2float_decoder_select="mpegaudio"
2095 mp3_decoder_select="mpegaudio"
2096 mp3adu_decoder_select="mpegaudio"
2097 mp3adufloat_decoder_select="mpegaudio"
2098 mp3float_decoder_select="mpegaudio"
2099 mp3on4_decoder_select="mpegaudio"
2100 mp3on4float_decoder_select="mpegaudio"
2101 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2102 mpc8_decoder_select="mpegaudiodsp"
2103 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2104 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2105 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2106 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2107 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2108 mpeg4_encoder_select="h263_encoder"
2109 msa1_decoder_select="mss34dsp"
2110 msmpeg4v1_decoder_select="h263_decoder"
2111 msmpeg4v2_decoder_select="h263_decoder"
2112 msmpeg4v2_encoder_select="h263_encoder"
2113 msmpeg4v3_decoder_select="h263_decoder"
2114 msmpeg4v3_encoder_select="h263_encoder"
2115 mss2_decoder_select="error_resilience mpeg_er mpegvideo qpeldsp vc1_decoder"
2116 mts2_decoder_select="mss34dsp"
2117 mxpeg_decoder_select="mjpeg_decoder"
2118 nellymoser_decoder_select="mdct sinewin"
2119 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2120 nuv_decoder_select="idctdsp lzo"
2121 on2avc_decoder_select="mdct"
2122 opus_decoder_deps="avresample"
2123 opus_decoder_select="imdct15"
2124 png_decoder_deps="zlib"
2125 png_encoder_deps="zlib"
2126 png_encoder_select="huffyuvencdsp"
2127 prores_decoder_select="idctdsp"
2128 prores_encoder_select="fdctdsp"
2129 qcelp_decoder_select="lsp"
2130 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2131 ra_144_encoder_select="audio_frame_queue lpc"
2132 ralf_decoder_select="golomb"
2133 rscc_decoder_deps="zlib"
2134 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2135 rv10_encoder_select="h263_encoder"
2136 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2137 rv20_encoder_select="h263_encoder"
2138 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2139 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2140 screenpresso_decoder_deps="zlib"
2141 sipr_decoder_select="lsp"
2142 sp5x_decoder_select="mjpeg_decoder"
2143 svq1_decoder_select="hpeldsp"
2144 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2145 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2146 svq3_decoder_suggest="zlib"
2147 tak_decoder_select="audiodsp"
2148 tdsc_decoder_deps="zlib"
2149 tdsc_decoder_select="mjpeg_decoder"
2150 theora_decoder_select="vp3_decoder"
2151 thp_decoder_select="mjpeg_decoder"
2152 tiff_decoder_suggest="zlib"
2153 tiff_encoder_suggest="zlib"
2154 truehd_decoder_select="mlp_decoder"
2155 truemotion2_decoder_select="bswapdsp"
2156 truespeech_decoder_select="bswapdsp"
2157 tscc_decoder_deps="zlib"
2158 txd_decoder_select="texturedsp"
2159 twinvq_decoder_select="mdct lsp sinewin"
2160 utvideo_decoder_select="bswapdsp huffyuvdsp"
2161 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2162 vble_decoder_select="huffyuvdsp"
2163 vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
2164 vc1image_decoder_select="vc1_decoder"
2165 vorbis_decoder_select="mdct"
2166 vorbis_encoder_select="mdct"
2167 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2168 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2169 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2170 vp6a_decoder_select="vp6_decoder"
2171 vp6f_decoder_select="vp6_decoder"
2172 vp7_decoder_select="h264pred videodsp vp8dsp"
2173 vp8_decoder_select="h264pred videodsp vp8dsp"
2174 vp9_decoder_select="videodsp vp9_superframe_split_bsf"
2175 webp_decoder_select="vp8_decoder"
2176 wmapro_decoder_select="mdct sinewin wma_freqs"
2177 wmav1_decoder_select="mdct sinewin wma_freqs"
2178 wmav1_encoder_select="mdct sinewin wma_freqs"
2179 wmav2_decoder_select="mdct sinewin wma_freqs"
2180 wmav2_encoder_select="mdct sinewin wma_freqs"
2181 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2182 wmv1_decoder_select="h263_decoder"
2183 wmv1_encoder_select="h263_encoder"
2184 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2185 wmv2_encoder_select="h263_encoder wmv2dsp"
2186 wmv3_decoder_select="vc1_decoder"
2187 wmv3image_decoder_select="wmv3_decoder"
2188 zerocodec_decoder_deps="zlib"
2189 zlib_decoder_deps="zlib"
2190 zlib_encoder_deps="zlib"
2191 zmbv_decoder_deps="zlib"
2192 zmbv_encoder_deps="zlib"
2194 # hardware accelerators
2195 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2196 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32"
2197 vda_deps="VideoDecodeAcceleration_VDADecoder_h blocks_extension pthreads"
2198 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2200 h263_vaapi_hwaccel_deps="vaapi"
2201 h263_vaapi_hwaccel_select="h263_decoder"
2202 h264_cuvid_hwaccel_deps="cuvid CUVIDH264PICPARAMS"
2203 h264_cuvid_hwaccel_select="h264_decoder"
2204 h264_d3d11va_hwaccel_deps="d3d11va"
2205 h264_d3d11va_hwaccel_select="h264_decoder"
2206 h264_d3d11va2_hwaccel_deps="d3d11va"
2207 h264_d3d11va2_hwaccel_select="h264_decoder"
2208 h264_dxva2_hwaccel_deps="dxva2"
2209 h264_dxva2_hwaccel_select="h264_decoder"
2210 h264_mmal_hwaccel_deps="mmal"
2211 h264_qsv_hwaccel_deps="libmfx"
2212 h264_vaapi_hwaccel_deps="vaapi"
2213 h264_vaapi_hwaccel_select="h264_decoder"
2214 h264_vda_hwaccel_deps="vda"
2215 h264_vda_hwaccel_select="h264_decoder"
2216 h264_vda_old_hwaccel_deps="vda"
2217 h264_vda_old_hwaccel_select="h264_decoder"
2218 h264_vdpau_hwaccel_deps="vdpau"
2219 h264_vdpau_hwaccel_select="h264_decoder"
2220 hevc_cuvid_hwaccel_deps="cuvid CUVIDHEVCPICPARAMS"
2221 hevc_cuvid_hwaccel_select="hevc_decoder"
2222 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2223 hevc_d3d11va_hwaccel_select="hevc_decoder"
2224 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2225 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2226 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2227 hevc_dxva2_hwaccel_select="hevc_decoder"
2228 hevc_qsv_hwaccel_deps="libmfx"
2229 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2230 hevc_vaapi_hwaccel_select="hevc_decoder"
2231 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2232 hevc_vdpau_hwaccel_select="hevc_decoder"
2233 mpeg1_vdpau_hwaccel_deps="vdpau"
2234 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2235 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2236 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2237 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2238 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2239 mpeg2_dxva2_hwaccel_deps="dxva2"
2240 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2241 mpeg2_mmal_hwaccel_deps="mmal"
2242 mpeg2_qsv_hwaccel_deps="libmfx"
2243 mpeg2_vaapi_hwaccel_deps="vaapi"
2244 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2245 mpeg2_vdpau_hwaccel_deps="vdpau"
2246 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2247 mpeg4_vaapi_hwaccel_deps="vaapi"
2248 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2249 mpeg4_vdpau_hwaccel_deps="vdpau"
2250 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2251 vc1_d3d11va_hwaccel_deps="d3d11va"
2252 vc1_d3d11va_hwaccel_select="vc1_decoder"
2253 vc1_d3d11va2_hwaccel_deps="d3d11va"
2254 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2255 vc1_dxva2_hwaccel_deps="dxva2"
2256 vc1_dxva2_hwaccel_select="vc1_decoder"
2257 vc1_mmal_hwaccel_deps="mmal"
2258 vc1_qsv_hwaccel_deps="libmfx"
2259 vc1_vaapi_hwaccel_deps="vaapi"
2260 vc1_vaapi_hwaccel_select="vc1_decoder"
2261 vc1_vdpau_hwaccel_deps="vdpau"
2262 vc1_vdpau_hwaccel_select="vc1_decoder"
2263 vp8_qsv_hwaccel_deps="libmfx"
2264 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2265 vp8_vaapi_hwaccel_select="vp8_decoder"
2266 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2267 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2268 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2269 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2270 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2272 # hardware-accelerated codecs
2273 nvenc_deps_any="libdl LoadLibrary"
2274 omx_deps="libdl pthreads"
2275 omx_rpi_select="omx"
2279 vaapi_encode_deps="vaapi"
2281 hwupload_cuda_filter_deps="cuda"
2282 scale_npp_filter_deps="cuda libnpp"
2284 h264_mmal_decoder_deps="mmal"
2285 h264_nvenc_encoder_deps="nvenc"
2286 h264_omx_encoder_deps="omx"
2287 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2288 h264_qsv_encoder_select="qsvenc"
2289 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2290 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2291 hevc_nvenc_encoder_deps="nvenc"
2292 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser hevc_qsv_hwaccel qsvdec"
2293 hevc_qsv_encoder_select="hevc_ps qsvenc"
2294 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2295 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2296 mjpeg_qsv_encoder_deps="libmfx"
2297 mjpeg_qsv_encoder_select="qsvenc"
2298 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2299 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2300 mpeg2_mmal_decoder_deps="mmal"
2301 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2302 mpeg2_qsv_encoder_select="qsvenc"
2303 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2304 mpeg2_vaapi_encoder_select="vaapi_encode"
2305 mpeg4_omx_encoder_deps="omx"
2306 vc1_mmal_decoder_deps="mmal"
2307 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2308 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2309 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2310 vp8_vaapi_encoder_select="vaapi_encode"
2311 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2312 vp9_vaapi_encoder_select="vaapi_encode"
2314 nvenc_h264_encoder_select="h264_nvenc_encoder"
2315 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2318 aac_parser_select="adts_header"
2319 h264_parser_select="golomb h264dsp h264parse"
2320 hevc_parser_select="hevc_ps"
2321 mpegaudio_parser_select="mpegaudioheader"
2322 mpegvideo_parser_select="mpegvideo"
2323 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2324 vc1_parser_select="vc1dsp"
2327 aac_adtstoasc_bsf_select="adts_header"
2328 h264_metadata_bsf_select="cbs_h264"
2329 h264_redundant_pps_bsf_select="cbs_h264"
2330 hevc_metadata_bsf_select="cbs_h265"
2331 mjpeg2jpeg_bsf_select="jpegtables"
2332 mpeg2_metadata_bsf_select="cbs_mpeg2"
2333 trace_headers_bsf_select="cbs_h264 cbs_h265 cbs_mpeg2"
2335 # external libraries
2336 avisynth_deps="LoadLibrary"
2337 avxsynth_deps="libdl"
2338 avisynth_demuxer_deps_any="avisynth avxsynth"
2339 avisynth_demuxer_select="riffdec"
2340 libdcadec_decoder_deps="libdcadec"
2341 libfaac_encoder_deps="libfaac"
2342 libfaac_encoder_select="audio_frame_queue"
2343 libfdk_aac_decoder_deps="libfdk_aac"
2344 libfdk_aac_encoder_deps="libfdk_aac"
2345 libfdk_aac_encoder_select="audio_frame_queue"
2346 libgsm_decoder_deps="libgsm"
2347 libgsm_encoder_deps="libgsm"
2348 libgsm_ms_decoder_deps="libgsm"
2349 libgsm_ms_encoder_deps="libgsm"
2350 libilbc_decoder_deps="libilbc"
2351 libilbc_encoder_deps="libilbc"
2352 libkvazaar_encoder_deps="libkvazaar"
2353 libmp3lame_encoder_deps="libmp3lame"
2354 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2355 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2356 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2357 libopencore_amrnb_encoder_select="audio_frame_queue"
2358 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2359 libopenh264_decoder_deps="libopenh264"
2360 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2361 libopenh264_encoder_deps="libopenh264"
2362 libopenjpeg_decoder_deps="libopenjpeg"
2363 libopenjpeg_encoder_deps="libopenjpeg"
2364 libopus_decoder_deps="libopus"
2365 libopus_encoder_deps="libopus"
2366 libopus_encoder_select="audio_frame_queue"
2367 libschroedinger_decoder_deps="libschroedinger"
2368 libschroedinger_encoder_deps="libschroedinger"
2369 libspeex_decoder_deps="libspeex"
2370 libspeex_encoder_deps="libspeex"
2371 libspeex_encoder_select="audio_frame_queue"
2372 libtheora_encoder_deps="libtheora"
2373 libtwolame_encoder_deps="libtwolame"
2374 libvo_aacenc_encoder_deps="libvo_aacenc"
2375 libvo_aacenc_encoder_select="audio_frame_queue"
2376 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2377 libvorbis_encoder_deps="libvorbis"
2378 libvorbis_encoder_select="audio_frame_queue"
2379 libvpx_vp8_decoder_deps="libvpx"
2380 libvpx_vp8_encoder_deps="libvpx"
2381 libvpx_vp9_decoder_deps="libvpx"
2382 libvpx_vp9_encoder_deps="libvpx"
2383 libwavpack_encoder_deps="libwavpack"
2384 libwavpack_encoder_select="audio_frame_queue"
2385 libwebp_encoder_deps="libwebp"
2386 libx262_encoder_deps="libx262"
2387 libx264_encoder_deps="libx264"
2388 libx265_encoder_deps="libx265"
2389 libxavs_encoder_deps="libxavs"
2390 libxvid_encoder_deps="libxvid mkstemp"
2393 ac3_demuxer_select="ac3_parser"
2394 asf_demuxer_select="riffdec"
2395 asf_muxer_select="riffenc"
2396 asf_stream_muxer_select="asf_muxer"
2397 avi_demuxer_select="iso_media riffdec"
2398 avi_muxer_select="riffenc"
2399 caf_demuxer_select="iso_media riffdec"
2400 dash_muxer_select="mp4_muxer"
2401 dirac_demuxer_select="dirac_parser"
2402 dv_demuxer_select="dvprofile"
2403 dv_muxer_select="dvprofile"
2404 dxa_demuxer_select="riffdec"
2405 eac3_demuxer_select="ac3_parser"
2406 f4v_muxer_select="mov_muxer"
2407 flac_demuxer_select="flac_parser"
2408 hds_muxer_select="flv_muxer"
2409 hls_muxer_select="mpegts_muxer"
2410 ipod_muxer_select="mov_muxer"
2411 ismv_muxer_select="mov_muxer"
2412 matroska_audio_muxer_select="matroska_muxer"
2413 matroska_demuxer_select="iso_media riffdec"
2414 matroska_demuxer_suggest="bzlib lzo zlib"
2415 matroska_muxer_select="iso_media riffenc"
2416 mmf_muxer_select="riffenc"
2417 mov_demuxer_select="iso_media riffdec"
2418 mov_demuxer_suggest="zlib"
2419 mov_muxer_select="iso_media riffenc rtpenc_chain"
2420 mp3_demuxer_select="mpegaudio_parser"
2421 mp3_muxer_select="mpegaudioheader"
2422 mp4_muxer_select="mov_muxer"
2423 mpegts_demuxer_select="iso_media"
2424 mpegts_muxer_select="adts_muxer latm_muxer"
2425 mpegtsraw_demuxer_select="mpegts_demuxer"
2426 mxf_d10_muxer_select="mxf_muxer"
2427 nut_muxer_select="riffenc"
2428 nuv_demuxer_select="riffdec"
2429 oga_muxer_select="ogg_muxer"
2430 ogg_demuxer_select="dirac_parse"
2431 opus_muxer_select="ogg_muxer"
2432 psp_muxer_select="mov_muxer"
2433 rtp_demuxer_select="sdp_demuxer"
2434 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2435 rtsp_demuxer_select="http_protocol rtpdec"
2436 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2437 sap_demuxer_select="sdp_demuxer"
2438 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2439 sdp_demuxer_select="rtpdec"
2440 smoothstreaming_muxer_select="ismv_muxer"
2441 spdif_demuxer_select="adts_header"
2442 spdif_muxer_select="adts_header"
2443 spx_muxer_select="ogg_muxer"
2444 swf_demuxer_suggest="zlib"
2445 tak_demuxer_select="tak_parser"
2446 tg2_muxer_select="mov_muxer"
2447 tgp_muxer_select="mov_muxer"
2448 w64_demuxer_select="wav_demuxer"
2449 wav_demuxer_select="riffdec"
2450 wav_muxer_select="riffenc"
2451 webm_muxer_select="iso_media riffenc"
2452 wtv_demuxer_select="mpegts_demuxer riffdec"
2453 xmv_demuxer_select="riffdec"
2454 xwma_demuxer_select="riffdec"
2457 alsa_indev_deps="alsa"
2458 alsa_outdev_deps="alsa"
2459 avfoundation_indev_deps="AVFoundation_AVFoundation_h objc_arc pthreads"
2460 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
2461 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2462 dv1394_indev_deps="dv1394"
2463 dv1394_indev_select="dv_demuxer"
2464 fbdev_indev_deps="linux_fb_h"
2465 jack_indev_deps="libjack"
2466 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2467 libcdio_indev_deps="libcdio"
2468 libdc1394_indev_deps="libdc1394"
2469 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2470 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2471 pulse_indev_deps="libpulse"
2472 sndio_indev_deps="sndio"
2473 sndio_outdev_deps="sndio"
2474 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2475 vfwcap_indev_deps="vfw32 vfwcap_defines"
2476 xcbgrab_indev_deps="libxcb libxcb_shape"
2477 xcbgrab_indev_suggest="libxcb_shm libxcb_xfixes"
2480 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
2481 ffrtmpcrypt_protocol_deps_any="gmp openssl"
2482 ffrtmpcrypt_protocol_select="tcp_protocol"
2483 ffrtmphttp_protocol_conflict="librtmp_protocol"
2484 ffrtmphttp_protocol_select="http_protocol"
2485 gopher_protocol_select="network"
2486 http_protocol_select="tcp_protocol"
2487 http_protocol_suggest="zlib"
2488 httpproxy_protocol_select="tcp_protocol"
2489 httpproxy_protocol_suggest="zlib"
2490 https_protocol_select="tls_protocol"
2491 https_protocol_suggest="zlib"
2492 icecast_protocol_select="http_protocol"
2493 librtmp_protocol_deps="librtmp"
2494 librtmpe_protocol_deps="librtmp"
2495 librtmps_protocol_deps="librtmp"
2496 librtmpt_protocol_deps="librtmp"
2497 librtmpte_protocol_deps="librtmp"
2498 mmsh_protocol_select="http_protocol"
2499 mmst_protocol_select="network"
2500 rtmp_protocol_conflict="librtmp_protocol"
2501 rtmp_protocol_select="tcp_protocol"
2502 rtmp_protocol_suggest="zlib"
2503 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2504 rtmpe_protocol_suggest="zlib"
2505 rtmps_protocol_conflict="librtmp_protocol"
2506 rtmps_protocol_select="tls_protocol"
2507 rtmps_protocol_suggest="zlib"
2508 rtmpt_protocol_select="ffrtmphttp_protocol"
2509 rtmpt_protocol_suggest="zlib"
2510 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2511 rtmpte_protocol_suggest="zlib"
2512 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2513 rtmpts_protocol_suggest="zlib"
2514 rtp_protocol_select="udp_protocol"
2515 sctp_protocol_deps="struct_sctp_event_subscribe"
2516 sctp_protocol_select="network"
2517 srtp_protocol_select="rtp_protocol srtp"
2518 tcp_protocol_select="network"
2519 tls_protocol_deps_any="gnutls openssl"
2520 tls_protocol_select="tcp_protocol"
2521 udp_protocol_select="network"
2522 unix_protocol_deps="sys_un_h"
2523 unix_protocol_select="network"
2526 asyncts_filter_deps="avresample"
2527 blackframe_filter_deps="gpl"
2528 boxblur_filter_deps="gpl"
2529 bs2b_filter_deps="libbs2b"
2530 cropdetect_filter_deps="gpl"
2531 deinterlace_qsv_filter_deps="libmfx"
2532 deinterlace_vaapi_filter_deps="vaapi"
2533 delogo_filter_deps="gpl"
2534 drawtext_filter_deps="libfreetype"
2535 drawtext_filter_suggest="libfontconfig"
2536 frei0r_filter_deps="frei0r libdl"
2537 frei0r_src_filter_deps="frei0r libdl"
2538 hdcd_filter_deps="libhdcd"
2539 hqdn3d_filter_deps="gpl"
2540 interlace_filter_deps="gpl"
2541 movie_filter_deps="avcodec avformat"
2542 ocv_filter_deps="libopencv"
2543 resample_filter_deps="avresample"
2544 scale_filter_deps="swscale"
2545 scale_qsv_filter_deps="libmfx"
2546 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
2549 decode_audio_example_deps="avcodec avutil"
2550 decode_video_example_deps="avcodec avutil"
2551 encode_audio_example_deps="avcodec avutil"
2552 encode_video_example_deps="avcodec avutil"
2553 filter_audio_example_deps="avfilter avutil"
2554 metadata_example_deps="avformat avutil"
2555 output_example_deps="avcodec avformat avresample avutil swscale"
2556 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
2557 transcode_aac_example_deps="avcodec avformat avresample"
2560 cpu_init_extralibs="pthreads_extralibs"
2561 cws2fws_extralibs="zlib_extralibs"
2563 # libraries, in linking order
2564 avcodec_deps="avutil"
2565 avcodec_select="null_bsf"
2566 avdevice_deps="avformat avcodec avutil"
2567 avfilter_deps="avutil"
2568 avformat_deps="avcodec avutil"
2569 avformat_suggest="network"
2570 avresample_deps="avutil"
2571 swscale_deps="avutil"
2573 avcodec_extralibs="pthreads_extralibs libm_extralibs"
2574 avdevice_extralibs="libm_extralibs"
2575 avformat_extralibs="libm_extralibs"
2576 avfilter_extralibs="pthreads_extralibs libm_extralibs"
2577 avresample_extralibs="libm_extralibs"
2578 avutil_extralibs="clock_gettime_extralibs cuda_extralibs cuvid_extralibs d3d11va_extralibs libm_extralibs libmfx_extralibs nanosleep_extralibs pthreads_extralibs user32_extralibs vaapi_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs wincrypt_extralibs"
2579 swscale_extralibs="libm_extralibs"
2582 avconv_deps="avcodec avfilter avformat avresample swscale"
2583 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2584 fps_filter null_filter resample_filter scale_filter
2586 avconv_suggest="psapi shell32"
2587 avplay_deps="avcodec avfilter avformat avresample sdl"
2588 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2589 avplay_suggest="shell32"
2590 avprobe_deps="avcodec avformat"
2591 avprobe_suggest="shell32"
2595 texi2html_deps="doc"
2597 # default parameters
2599 logfile="avbuild/config.log"
2601 # installation paths
2602 prefix_default="/usr/local"
2603 bindir_default='${prefix}/bin'
2604 datadir_default='${prefix}/share/avconv'
2605 docdir_default='${prefix}/share/doc/libav'
2606 incdir_default='${prefix}/include'
2607 libdir_default='${prefix}/lib'
2608 mandir_default='${prefix}/share/man'
2609 shlibdir_default="$libdir_default"
2614 host_cc_default="gcc"
2615 x86asmexe_default="nasm"
2618 pkg_config_default=pkg-config
2621 version_script='--version-script'
2624 arch_default=$(uname -m)
2629 target_os_default=$(tolower $(uname -s))
2630 host_os=$target_os_default
2632 # configurable options
2633 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2638 enable faan faandct faanidct
2639 enable optimizations
2640 enable safe_bitstream_reader
2642 enable swscale_alpha
2643 enable valgrind_backtrace
2645 # By default, enable only those hwaccels that have no external dependencies.
2646 enable d3d11va dxva2 vda vdpau
2648 # internal components are enabled by default
2649 enable $EXTRALIBS_LIST
2651 # Avoid external, non-system, libraries getting enabled by dependency resolution
2652 disable $EXTERNAL_LIBRARY_LIST
2655 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2658 LIBNAME='$(LIBPREF)$(NAME)$(LIBSUF)'
2661 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
2662 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2663 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2664 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2665 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2666 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2667 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
2690 host_extralibs='-lm'
2691 host_cflags_filter=echo
2692 host_ldflags_filter=echo
2694 target_path='$(CURDIR)'
2696 # since the object filename is not given with the -MM flag, the compiler
2697 # is only able to print the basename, and we must add the path ourselves
2698 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2704 if test -f configure; then
2707 source_path=$(cd $(dirname "$0"); pwd)
2708 echo "$source_path" | grep -q '[[:blank:]]' &&
2709 die "Out of tree builds are impossible with whitespace in source path."
2710 test -e "$source_path/config.h" &&
2711 die "Out of tree builds are impossible with config.h in source dir."
2718 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2724 file=$source_path/$3
2725 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2728 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2729 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2730 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2731 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2732 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2733 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2734 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2735 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2736 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2738 find_things_extern(){
2741 file=$source_path/$3
2742 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
2745 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
2746 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
2748 AVCODEC_COMPONENTS_LIST="
2756 AVDEVICE_COMPONENTS_LIST="
2761 AVFILTER_COMPONENTS_LIST="
2765 AVFORMAT_COMPONENTS_LIST="
2772 $AVCODEC_COMPONENTS_LIST
2773 $AVDEVICE_COMPONENTS_LIST
2774 $AVFILTER_COMPONENTS_LIST
2775 $AVFORMAT_COMPONENTS_LIST
2778 for n in $COMPONENT_LIST; do
2779 v=$(toupper ${n%s})_LIST
2781 eval ${n}_if_any="\$$v"
2784 enable $ARCH_EXT_LIST
2787 echo "Unknown option \"$1\"."
2788 echo "See $0 --help for available options."
2793 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2799 echo $* | sed s/$suffix//g | print_3_columns
2811 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2812 echo "prob ${prob:-0.5}"
2820 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2821 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2830 --extra-ldexeflags=*)
2831 add_ldexeflags $optval
2833 --extra-ldsoflags=*)
2834 add_ldsoflags $optval
2837 add_extralibs $optval
2840 disable $INDEV_LIST $OUTDEV_LIST
2843 debuglevel="$optval"
2846 disable $PROGRAM_LIST
2848 --disable-everything)
2849 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2852 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2853 disable $LIBRARY_LIST $PROGRAM_LIST doc
2855 --enable-random|--disable-random)
2856 action=${opt%%-random}
2857 do_random ${action#--} $COMPONENT_LIST
2859 --enable-random=*|--disable-random=*)
2860 action=${opt%%-random=*}
2861 do_random ${action#--} $optval
2863 --enable-*=*|--disable-*=*)
2864 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2865 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2866 eval list=\$$(toupper $thing)_LIST
2867 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2868 $action $(filter "$name" $list)
2870 --enable-avserver|--disable-avserver*)
2871 warn "avserver has been removed, the ${opt} option is only"\
2872 "provided for compatibility and will be removed in the future"
2874 --enable-yasm|--disable-yasm)
2875 warn "The ${opt} option is only provided for compatibility and will be\n"\
2876 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
2877 test $opt = --enable-yasm && x86asm=yes || x86asm=no
2879 --enable-?*|--disable-?*)
2880 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2881 if is_in $option $COMPONENT_LIST; then
2882 test $action = disable && action=unset
2883 eval $action \$$(toupper ${option%s})_LIST
2884 elif is_in $option $CMDLINE_SELECT; then
2891 NAME="${opt#--list-}"
2892 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2894 eval show_list $NAME \$$(toupper $NAME)_LIST
2896 --help|-h) show_help
2898 --quiet|-q) quiet=yes
2901 optname="${opt%%=*}"
2902 optname="${optname#--}"
2903 optname=$(echo "$optname" | sed 's/-/_/g')
2904 if is_in $optname $CMDLINE_SET; then
2905 eval $optname='$optval'
2906 elif is_in $optname $CMDLINE_APPEND; then
2907 append $optname "$optval"
2919 disabled logging && logfile=/dev/null
2921 # Die early if licensing-related configure options are incompatible.
2922 die_license_disabled() {
2923 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
2926 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST
2927 map "die_license_disabled nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST $HWACCEL_LIBRARY_NONFREE_LIST
2928 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST
2930 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2932 enabled_all gnutls openssl &&
2933 die "GnuTLS and OpenSSL must not be enabled at the same time."
2935 # Disable all the library-specific components if the library itself
2936 # is disabled, see AVCODEC_LIST and following _LIST variables.
2938 disable_components(){
2939 disabled ${1} && disable $(
2940 eval components="\$$(toupper ${1})_COMPONENTS"
2941 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2945 map 'disable_components $v' $LIBRARY_LIST
2947 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2950 case "$toolchain" in
2952 cc_default="${toolchain%-asan}"
2953 add_cflags -fsanitize=address
2954 add_ldflags -fsanitize=address
2957 cc_default="${toolchain%-msan}"
2958 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
2959 add_ldflags -fsanitize=memory
2962 cc_default="${toolchain%-tsan}"
2963 add_cflags -fsanitize=thread -fPIE
2964 add_ldflags -fsanitize=thread -pie
2965 case "$toolchain" in
2973 cc_default="${toolchain%-usan}"
2974 add_cflags -fsanitize=undefined
2975 add_ldflags -fsanitize=undefined
2976 case "$toolchain" in
2983 target_exec_default="valgrind"
2984 case "$toolchain" in
2986 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2989 target_exec_args="--track-origins=yes --leak-check=full"
2994 # Check whether the current MSVC version needs the C99 converter.
2995 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2996 # support enough of C99 to build libav. Default to the new
2997 # behaviour if the regexp was unable to match anything, since this
2998 # successfully parses the version number of existing supported
2999 # versions that require the converter (MSVC 2010 and 2012).
3000 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3001 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3004 cc_default="c99wrap cl"
3006 ld_default="$source_path/compat/windows/mslink"
3007 nm_default="dumpbin -symbols"
3014 target_os_default="win32"
3015 # Use a relative path for TMPDIR. This makes sure all the
3016 # ffconf temp files are written with a relative path, avoiding
3017 # issues with msys/win32 path conversion for MSVC parameters
3018 # such as -Fo<file> or -out:<file>.
3024 nm_default="dumpbin -symbols"
3026 target_os_default="win32"
3030 add_cflags -fprofile-arcs -ftest-coverage
3031 add_ldflags -fprofile-arcs -ftest-coverage
3034 add_cflags -fprofile-arcs -ftest-coverage
3035 add_ldflags --coverage
3038 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3039 add_cflags -fno-strict-overflow -fstack-protector-all
3040 add_ldflags -Wl,-z,relro -Wl,-z,now
3043 die "Unknown toolchain $toolchain"
3047 test -n "$cross_prefix" && enable cross_compile
3049 if enabled cross_compile; then
3050 test -n "$arch" && test -n "$target_os" ||
3051 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3054 ar_default="${cross_prefix}${ar_default}"
3055 cc_default="${cross_prefix}${cc_default}"
3056 objcc_default="${cross_prefix}${objcc_default}"
3057 x86asmexe_default="${cross_prefix}${x86asmexe_default}"
3058 nm_default="${cross_prefix}${nm_default}"
3059 pkg_config_default="${cross_prefix}${pkg_config_default}"
3060 ranlib="${cross_prefix}${ranlib}"
3061 strip="${cross_prefix}${strip}"
3063 sysinclude_default="${sysroot}/usr/include"
3065 set_default arch cc pkg_config sysinclude target_exec target_os x86asmexe
3066 enabled cross_compile || host_cc_default=$cc
3069 if ! $pkg_config --version >/dev/null 2>&1; then
3070 warn "$pkg_config not found, library detection may fail."
3076 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3080 EXESUF=$(exesuf $target_os)
3081 HOSTEXESUF=$(exesuf $host_os)
3083 # set temporary file name
3084 : ${TMPDIR:=$TEMPDIR}
3088 if ! check_cmd mktemp -u XXXXXX; then
3089 # simple replacement for missing mktemp
3090 # NOT SAFE FOR GENERAL USE
3092 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3098 AVTMPDIR=$(mktemp -d "${TMPDIR}/avconf.XXXXXXXX" 2> /dev/null) ||
3099 die "Unable to create temporary directory in $TMPDIR."
3102 tmp="${AVTMPDIR}/test"$2
3103 (set -C; exec > $tmp) 2> /dev/null ||
3104 die "Unable to create temporary file in $AVTMPDIR."
3108 trap 'rm -rf -- "$AVTMPDIR"' EXIT
3113 tmpfile TMPE $EXESUF
3124 # make sure we can execute files in $TMPDIR
3125 cat > $TMPSH 2>> $logfile <<EOF
3128 chmod +x $TMPSH >> $logfile 2>&1
3129 if ! $TMPSH >> $logfile 2>&1; then
3131 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3132 variable to another directory and make sure that it is not mounted noexec.
3134 die "Sanity test failed."
3140 # Filter out MSVC cl.exe options from cflags that shouldn't
3141 # be passed to gas-preprocessor
3151 -std=c99) echo -c99 ;;
3152 -mcpu=*) echo -arch ${flag#*=} ;;
3153 -mieee) echo -ieee ;;
3154 -O*|-fast) echo $flag ;;
3155 -fno-math-errno) echo -assume nomath_errno ;;
3157 -Wall) echo -msg_enable level2 ;;
3158 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3159 -Wl,*) echo $flag ;;
3169 -Wno-switch) echo -Wno-switch-enum ;;
3170 -Wno-format-zero-length) ;;
3171 -Wdisabled-optimization) ;;
3172 -Wno-pointer-sign) echo -Wno-other ;;
3178 msvc_common_flags(){
3181 # In addition to specifying certain flags under the compiler
3182 # specific filters, they must be specified here as well or else the
3183 # generic catch all at the bottom will print the original flag.
3188 -fomit-frame-pointer) ;;
3192 -fno-signed-zeros) ;;
3196 -lz) echo zlib.lib ;;
3197 -lx264) echo libx264.lib ;;
3198 -l*) echo ${flag#-l}.lib ;;
3199 -L*) echo -libpath:${flag#-L} ;;
3206 msvc_common_flags "$@"
3209 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
3211 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3212 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3213 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3214 -wd4273 -wd4554 -wd4701 -wd4703 ;;
3220 msvc_common_flags "$@"
3223 # Despite what Intel's documentation says -Wall, which is supported
3224 # on Windows, does enable remarks so disable them here.
3225 -Wall) echo $flag -Qdiag-disable:remark ;;
3226 -std=c99) echo -Qstd=c99 ;;
3234 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3235 -fomit-frame-pointer) echo -Mnoframe ;;
3246 case "${flag#*=}" in
3247 native) echo -xtarget=native ;;
3248 v9|niagara) echo -xarch=sparc ;;
3249 ultrasparc) echo -xarch=sparcvis ;;
3250 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3251 i586|pentium) echo -xchip=pentium ;;
3252 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3253 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3254 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3255 pentium4*) echo -xtarget=pentium4 ;;
3256 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3257 *-sse3) echo -xarch=sse3 ;;
3258 core2) echo -xarch=ssse3 -xchip=core2 ;;
3259 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3260 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3261 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3262 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3263 k8|opteron|athlon64|athlon-fx)
3264 echo -xarch=sse2a ;;
3265 athlon*) echo -xarch=pentium_proa ;;
3268 -std=c99) echo -xc99 ;;
3269 -fomit-frame-pointer) echo -xregs=frameptr ;;
3270 -fPIC) echo -KPIC -xcode=pic32 ;;
3271 -W*,*) echo $flag ;;
3272 -f*-*|-W*|-mimpure-text) ;;
3283 case "${flag#*=}" in
3284 armv7-a|cortex-a*) echo -mv=7a8 ;;
3285 armv7-r|cortex-r*) echo -mv=7r4 ;;
3286 armv7-m|cortex-m*) echo -mv=7m3 ;;
3287 armv6*|arm11*) echo -mv=6 ;;
3288 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3290 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3293 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3294 -mfpu=vfp) echo --float_support=vfpv2 ;;
3295 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3296 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3297 -msoft-float) echo --float_support=vfplib ;;
3298 -O[0-3]|-mf=*) echo $flag ;;
3300 -pds=*) echo $flag ;;
3301 -D*|-I*) echo $flag ;;
3302 --gcc|--abi=*) echo $flag ;;
3312 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3313 unset _ld_o _ldflags _ld_lib _ld_path
3314 unset _depflags _DEPCMD _DEPFLAGS
3317 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3319 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3320 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3321 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3324 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3326 gcc_version=$($_cc --version | head -n1)
3327 gcc_basever=$($_cc -dumpversion)
3328 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3329 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3330 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3331 if ! $_cc -dumpversion | grep -q '^2\.'; then
3332 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3336 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3338 _ident=$($_cc --version | head -n1)
3343 elif $_cc -v 2>&1 | grep -q xlc; then
3345 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3347 _cflags_size='-O5 -qcompact'
3348 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3350 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3352 _cflags_speed='-fast'
3354 _flags_filter=ccc_flags
3355 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3356 test -d "$sysroot" || die "No valid sysroot specified."
3358 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3359 armcc_conf="$PWD/armcc.conf"
3360 $_cc --arm_linux_configure \
3361 --arm_linux_config_file="$armcc_conf" \
3362 --configure_sysroot="$sysroot" \
3363 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3364 die "Error creating armcc configuration file."
3365 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3366 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3367 as_default="${cross_prefix}gcc"
3371 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3373 _ident=$($_cc -version | head -n1 | tr -s ' ')
3374 _flags='--gcc --abi=eabi -me'
3377 _depflags='-ppa -ppd=$(@:.o=.d)'
3378 _cflags_speed='-O3 -mf=5'
3379 _cflags_size='-O3 -mf=2'
3380 _flags_filter=tms470_flags
3381 elif $_cc -v 2>&1 | grep -q clang; then
3383 _ident=$($_cc --version 2>/dev/null | head -n1)
3384 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3387 elif $_cc -V 2>&1 | grep -q Sun; then
3389 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3390 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3391 _DEPFLAGS='-xM1 -xc99'
3394 _cflags_size='-O5 -xspace'
3395 _flags_filter=suncc_flags
3396 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3398 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3399 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3402 _flags_filter='filter_out -Wdisabled-optimization'
3403 elif $_cc -v 2>&1 | grep -q Open64; then
3405 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3406 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3409 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3410 elif $_cc -V 2>&1 | grep -q Portland; then
3412 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3413 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3414 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3415 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3417 _flags_filter=pgi_flags
3418 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3420 _ident=$($_cc | head -n1)
3421 # 4509: "This form of conditional instruction is deprecated"
3422 _flags="-nologo -ignore 4509"
3423 _flags_filter=armasm_flags
3424 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3426 _ident=$($_cc 2>&1 | head -n1)
3427 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3428 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3432 if $_cc -nologo- 2>&1 | grep -q Linker; then
3439 _flags_filter=msvc_flags
3441 _ld_path='-libpath:'
3443 elif $_cc 2>&1 | grep -q Intel; then
3445 _ident=$($_cc 2>&1 | head -n1)
3446 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3447 # Not only is O3 broken on 13.x+ but it is slower on all previous
3448 # versions (tested) as well.
3450 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3451 if $_cc 2>&1 | grep -q Linker; then
3458 _flags_filter=icl_flags
3460 _ld_path='-libpath:'
3461 # -Qdiag-error to make icl error when seeing certain unknown arguments
3462 _flags='-nologo -Qdiag-error:4044,10157'
3463 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3464 # with MSVC which enables it by default.
3465 _cflags='-Qms0 -Qvec- -Qsimd- -GS'
3466 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
3467 # lld can emulate multiple different linkers; in ms link.exe mode,
3468 # the -? parameter gives the help output which contains an identifyable
3469 # string, while it gives an error in other modes.
3471 # The link.exe mode doesn't have a switch for getting the version,
3472 # but we can force it back to gnu mode and get the version from there.
3473 _ident=$($_cc -flavor gnu --version 2>/dev/null)
3475 _flags_filter=msvc_flags
3477 _ld_path='-libpath:'
3478 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3480 _ident=$($_cc --version | head -n1)
3484 _flags_filter=cparser_flags
3487 eval ${pfx}_type=\$_type
3488 eval ${pfx}_ident=\$_ident
3492 eval ${1}_C=\${_cc_c-\${${1}_C}}
3493 eval ${1}_E=\${_cc_e-\${${1}_E}}
3494 eval ${1}_O=\${_cc_o-\${${1}_O}}
3496 if [ -n "$_depflags" ]; then
3497 eval ${1}_DEPFLAGS=\$_depflags
3499 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3500 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3501 eval DEP${1}FLAGS=\$_flags
3506 cflags_filter=$_flags_filter
3507 cflags_speed=$_cflags_speed
3508 cflags_size=$_cflags_size
3509 cflags_noopt=$_cflags_noopt
3510 add_cflags $_flags $_cflags
3511 cc_ldflags=$_ldflags
3514 probe_cc hostcc "$host_cc"
3515 host_cflags_filter=$_flags_filter
3516 host_cflags_speed=$_cflags_speed
3517 add_host_cflags $_flags $_cflags
3520 test -n "$cc_type" && enable $cc_type ||
3521 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3523 : ${as_default:=$cc}
3524 : ${objcc_default:=$cc}
3525 : ${dep_cc_default:=$cc}
3526 : ${ld_default:=$cc}
3527 : ${host_ld_default:=$host_cc}
3528 set_default ar as objcc dep_cc ld host_ld
3531 asflags_filter=$_flags_filter
3532 add_asflags $_flags $_cflags
3535 probe_cc objcc "$objcc"
3536 objcflags_filter=$_flags_filter
3537 add_objcflags $_flags $_cflags
3541 ldflags_filter=$_flags_filter
3542 add_ldflags $_flags $_ldflags
3543 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3545 LD_LIB=${_ld_lib-$LD_LIB}
3546 LD_PATH=${_ld_path-$LD_PATH}
3548 probe_cc hostld "$host_ld"
3549 host_ldflags_filter=$_flags_filter
3550 add_host_ldflags $_flags $_ldflags
3551 HOSTLD_O=${_ld_o-$HOSTLD_O}
3553 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3554 probe_cc depcc "$dep_cc"
3555 CCDEP=${_DEPCMD:-$DEPCMD}
3556 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3560 if $ar 2>&1 | grep -q Microsoft; then
3563 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3566 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3567 arflags='-Xany -r -c'
3574 add_cflags $extra_cflags
3575 add_objcflags $extra_objcflags
3576 add_asflags $extra_cflags
3578 if test -n "$sysroot"; then
3581 add_cppflags --sysroot="$sysroot"
3582 add_ldflags --sysroot="$sysroot"
3585 add_cppflags -I"$sysinclude"
3586 add_ldflags --sysroot="$sysroot"
3591 if test "$cpu" = host; then
3592 enabled cross_compile &&
3593 die "--cpu=host makes no sense when cross-compiling."
3598 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3600 s/.*$1=\\([^ ]*\\).*/\\1/
3605 cpu=$(check_native -march || check_native -mcpu)
3609 test "${cpu:-host}" = host &&
3610 die "--cpu=host not supported with compiler $cc"
3613 # Deal with common $arch aliases
3637 "Power Macintosh"|ppc*|powerpc*)
3652 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3657 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3660 # Add processor-specific flags
3661 if enabled aarch64; then
3665 cpuflags="-march=$cpu"
3668 cpuflags="-mcpu=$cpu"
3672 elif enabled alpha; then
3674 cpuflags="-mcpu=$cpu"
3676 elif enabled arm; then
3679 check_cpp_condition stddef.h \
3680 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3685 if check_arm_arch 4; then echo armv4
3686 elif check_arm_arch 4T; then echo armv4t
3687 elif check_arm_arch 5; then echo armv5
3688 elif check_arm_arch 5E; then echo armv5e
3689 elif check_arm_arch 5T; then echo armv5t
3690 elif check_arm_arch 5TE; then echo armv5te
3691 elif check_arm_arch 5TEJ; then echo armv5te
3692 elif check_arm_arch 6; then echo armv6
3693 elif check_arm_arch 6J; then echo armv6j
3694 elif check_arm_arch 6K; then echo armv6k
3695 elif check_arm_arch 6Z; then echo armv6z
3696 elif check_arm_arch 6ZK; then echo armv6zk
3697 elif check_arm_arch 6T2; then echo armv6t2
3698 elif check_arm_arch 7; then echo armv7
3699 elif check_arm_arch 7A 7_A; then echo armv7-a
3700 elif check_arm_arch 7S; then echo armv7-a
3701 elif check_arm_arch 7R 7_R; then echo armv7-r
3702 elif check_arm_arch 7M 7_M; then echo armv7-m
3703 elif check_arm_arch 7EM 7E_M; then echo armv7-m
3704 elif check_arm_arch 8A 8_A; then echo armv8-a
3708 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3712 cpuflags="-march=$cpu"
3713 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3716 cpuflags="-mcpu=$cpu"
3718 cortex-a*) subarch=armv7a ;;
3719 cortex-r*) subarch=armv7r ;;
3720 cortex-m*) enable thumb; subarch=armv7m ;;
3721 arm11*) subarch=armv6 ;;
3722 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3723 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3724 *) subarch=$(probe_arm_arch) ;;
3730 armv5t*) enable fast_clz ;;
3731 armv[6-8]*) enable fast_clz fast_unaligned ;;
3734 elif enabled avr32; then
3739 cpuflags="-mpart=$cpu"
3743 cpuflags="-march=$cpu"
3747 cpuflags="-mcpu=$cpu"
3751 cpuflags="-march=$cpu"
3755 elif enabled bfin; then
3757 cpuflags="-mcpu=$cpu"
3759 elif enabled mips; then
3761 cpuflags="-march=$cpu"
3763 elif enabled ppc; then
3767 case $(tolower $cpu) in
3768 601|ppc601|powerpc601)
3769 cpuflags="-mcpu=601"
3772 603*|ppc603*|powerpc603*)
3773 cpuflags="-mcpu=603"
3776 604*|ppc604*|powerpc604*)
3777 cpuflags="-mcpu=604"
3780 g3|75*|ppc75*|powerpc75*)
3781 cpuflags="-mcpu=750"
3784 g4|745*|ppc745*|powerpc745*)
3785 cpuflags="-mcpu=7450"
3788 74*|ppc74*|powerpc74*)
3789 cpuflags="-mcpu=7400"
3792 g5|970|ppc970|powerpc970)
3793 cpuflags="-mcpu=970"
3797 cpuflags="-mcpu=$cpu"
3801 cpuflags="-mcpu=$cpu"
3805 cpuflags="-mcpu=cell"
3810 cpuflags="-mcpu=e500mc"
3814 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3819 cpuflags="-mcpu=8540 -mhard-float"
3825 elif enabled sparc; then
3828 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3829 cpuflags="-mcpu=$cpu"
3831 ultrasparc*|niagara[234])
3832 cpuflags="-mcpu=$cpu"
3836 elif enabled x86; then
3840 cpuflags="-march=$cpu"
3844 # targets that do NOT support nopl and conditional mov (cmov)
3845 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3846 cpuflags="-march=$cpu"
3849 # targets that do support nopl and conditional mov (cmov)
3850 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3851 cpuflags="-march=$cpu"
3855 # targets that do support conditional mov but on which it's slow
3856 pentium4|pentium4m|prescott|nocona)
3857 cpuflags="-march=$cpu"
3865 if [ "$cpu" != generic ]; then
3866 add_cflags $cpuflags
3867 add_asflags $cpuflags
3868 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3871 # compiler sanity check
3873 int main(void){ return 0; }
3875 if test "$?" != 0; then
3876 echo "$cc is unable to create an executable file."
3877 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3878 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3879 echo "Only do this if you know what cross compiling means."
3881 die "C compiler test failed."
3884 add_cppflags -D_ISOC99_SOURCE
3886 # some compilers silently accept -std=c11, so we also need to check that the
3887 # version macro is defined properly
3888 check_cpp_condition stdlib.h "__STDC_VERSION__ >= 201112L" -std=c11 &&
3889 add_cflags -std=c11 ||
3890 check_cflags -std=c99
3892 check_cppflags -D_FILE_OFFSET_BITS=64
3893 check_cppflags -D_LARGEFILE_SOURCE
3895 add_host_cppflags -D_ISOC99_SOURCE
3896 check_host_cflags -std=c99
3897 check_host_cflags -Wall
3898 check_host_cflags $host_cflags_speed
3904 check_code cc "" "int test[2*($expr) - 1]" &&
3905 subarch=$arch64 || subarch=$arch32
3913 check_64bit mips mips64 '_MIPS_SIM > 1'
3917 check_64bit parisc parisc64 'sizeof(void *) > 4'
3921 check_64bit ppc ppc64 'sizeof(void *) > 4'
3925 check_64bit s390 s390x 'sizeof(void *) > 4'
3929 check_64bit sparc sparc64 'sizeof(void *) > 4'
3933 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3934 if test "$subarch" = "x86_64"; then
3941 enabled spic && enable_weak pic
3943 enabled x86_64 && objformat=elf64 || objformat="elf32"
3949 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3950 enabled shared && add_ldflags -Wl,-brtl
3954 enable section_data_rel_ro
3955 SLIB_INSTALL_NAME='$(SLIBNAME)'
3957 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3960 prefix_default="/boot/common"
3961 network_extralibs="-lnetwork"
3965 SHFLAGS='-shared -Wl,-h,$$(@F)'
3966 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3967 network_extralibs="-lsocket -lnsl"
3968 # When using suncc to build, the Solaris linker will mark
3969 # an executable with each instruction set encountered by
3970 # the Solaris assembler. As our libraries contain their own
3971 # guards for processor-specific code, instead suppress
3972 # generation of the HWCAPS ELF section on Solaris x86 only.
3973 enabled_all suncc x86 &&
3974 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3975 add_ldflags -Wl,-M,mapfile
3976 nm_default='nm -P -g'
3978 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
3982 oss_indev_extralibs="-lossaudio"
3983 oss_outdev_extralibs="-lossaudio"
3988 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3990 oss_indev_extralibs="-lossaudio"
3991 oss_outdev_extralibs="-lossaudio"
3999 add_extralibs -lpoll -lgnugetopt
4002 enabled ppc && add_asflags -force_cpusubtype_ALL
4003 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4004 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4005 add_ldflags -Wl,-dynamic,-search_paths_first
4006 check_cflags -Werror=partial-availability
4008 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
4009 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
4010 enabled x86_64 && objformat="macho64" || objformat="macho32"
4011 enabled_any pic shared ||
4012 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4013 check_header dispatch/dispatch.h &&
4014 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
4015 if test -n "$sysroot"; then
4016 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
4017 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
4021 die "Native MSYS builds are discouraged, please use the MINGW environment."
4024 if test $target_os = "mingw32ce"; then
4030 if enabled x86_64; then
4031 LIBTARGET="i386:x86-64"
4032 elif enabled arm; then
4035 check_ldflags -Wl,--nxcompat
4036 check_ldflags -Wl,--dynamicbase
4037 shlibdir_default="$bindir_default"
4040 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4041 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4042 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4043 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4045 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4046 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4047 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4048 enabled x86_64 && objformat="win64" || objformat="win32"
4049 dlltool="${cross_prefix}dlltool"
4055 if enabled shared; then
4056 # Link to the import library instead of the normal static library
4059 # Cannot build both shared and static libs with MSVC or icl.
4062 shlibdir_default="$bindir_default"
4065 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4066 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4067 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4068 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4070 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4071 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4072 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4073 enabled x86_64 && objformat="win64" || objformat="win32"
4079 shlibdir_default="$bindir_default"
4082 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4083 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4084 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'