build: make sndio part of the autodetected libraries
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18     echo "Trying shell $1"
19     type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30     echo "Broken shell detected.  Trying alternatives."
31     export FF_CONF_EXEC
32     if test "0$FF_CONF_EXEC" -lt 1; then
33         FF_CONF_EXEC=1
34         try_exec bash "$0" "$@"
35     fi
36     if test "0$FF_CONF_EXEC" -lt 2; then
37         FF_CONF_EXEC=2
38         try_exec ksh "$0" "$@"
39     fi
40     if test "0$FF_CONF_EXEC" -lt 3; then
41         FF_CONF_EXEC=3
42         try_exec /usr/xpg4/bin/sh "$0" "$@"
43     fi
44     echo "No compatible shell script interpreter found."
45     echo "This configure script requires a POSIX-compatible shell"
46     echo "such as bash or ksh."
47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48     echo "Instead, install a working POSIX-compatible shell."
49     echo "Disabling this configure test will create a broken FFmpeg."
50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51         echo "This bash version ($BASH_VERSION) is broken on your platform."
52         echo "Upgrade to a later version if available."
53     fi
54     exit 1
55 fi
56
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60     cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65   --help                   print this message
66   --quiet                  Suppress showing informative output
67   --list-decoders          show all available decoders
68   --list-encoders          show all available encoders
69   --list-hwaccels          show all available hardware accelerators
70   --list-demuxers          show all available demuxers
71   --list-muxers            show all available muxers
72   --list-parsers           show all available parsers
73   --list-protocols         show all available protocols
74   --list-bsfs              show all available bitstream filters
75   --list-indevs            show all available input devices
76   --list-outdevs           show all available output devices
77   --list-filters           show all available filters
78
79 Standard options:
80   --logfile=FILE           log tests and output to FILE [ffbuild/config.log]
81   --disable-logging        do not log configure debug information
82   --fatal-warnings         fail if any configure warning is generated
83   --prefix=PREFIX          install in PREFIX [$prefix_default]
84   --bindir=DIR             install binaries in DIR [PREFIX/bin]
85   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
86   --docdir=DIR             install documentation in DIR [PREFIX/share/doc/ffmpeg]
87   --libdir=DIR             install libs in DIR [PREFIX/lib]
88   --shlibdir=DIR           install shared libs in DIR [LIBDIR]
89   --incdir=DIR             install includes in DIR [PREFIX/include]
90   --mandir=DIR             install man page in DIR [PREFIX/share/man]
91   --pkgconfigdir=DIR       install pkg-config files in DIR [LIBDIR/pkgconfig]
92   --enable-rpath           use rpath to allow installing libraries in paths
93                            not part of the dynamic linker search path
94                            use rpath when linking programs (USE WITH CARE)
95   --install-name-dir=DIR   Darwin directory name for installed targets
96
97 Licensing options:
98   --enable-gpl             allow use of GPL code, the resulting libs
99                            and binaries will be under GPL [no]
100   --enable-version3        upgrade (L)GPL to version 3 [no]
101   --enable-nonfree         allow use of nonfree code, the resulting libs
102                            and binaries will be unredistributable [no]
103
104 Configuration options:
105   --disable-static         do not build static libraries [no]
106   --enable-shared          build shared libraries [no]
107   --enable-small           optimize for size instead of speed
108   --disable-runtime-cpudetect disable detecting CPU capabilities at runtime (smaller binary)
109   --enable-gray            enable full grayscale support (slower color)
110   --disable-swscale-alpha  disable alpha channel support in swscale
111   --disable-all            disable building components, libraries and programs
112   --disable-autodetect     disable automatically detected external libraries [no]
113
114 Program options:
115   --disable-programs       do not build command line programs
116   --disable-ffmpeg         disable ffmpeg build
117   --disable-ffplay         disable ffplay build
118   --disable-ffprobe        disable ffprobe build
119   --disable-ffserver       disable ffserver build
120
121 Documentation options:
122   --disable-doc            do not build documentation
123   --disable-htmlpages      do not build HTML documentation pages
124   --disable-manpages       do not build man documentation pages
125   --disable-podpages       do not build POD documentation pages
126   --disable-txtpages       do not build text documentation pages
127
128 Component options:
129   --disable-avdevice       disable libavdevice build
130   --disable-avcodec        disable libavcodec build
131   --disable-avformat       disable libavformat build
132   --disable-swresample     disable libswresample build
133   --disable-swscale        disable libswscale build
134   --disable-postproc       disable libpostproc build
135   --disable-avfilter       disable libavfilter build
136   --enable-avresample      enable libavresample build [no]
137   --disable-pthreads       disable pthreads [autodetect]
138   --disable-w32threads     disable Win32 threads [autodetect]
139   --disable-os2threads     disable OS/2 threads [autodetect]
140   --disable-network        disable network support [no]
141   --disable-dct            disable DCT code
142   --disable-dwt            disable DWT code
143   --disable-error-resilience disable error resilience code
144   --disable-lsp            disable LSP code
145   --disable-lzo            disable LZO decoder code
146   --disable-mdct           disable MDCT code
147   --disable-rdft           disable RDFT code
148   --disable-fft            disable FFT code
149   --disable-faan           disable floating point AAN (I)DCT code
150   --disable-pixelutils     disable pixel utils in libavutil
151
152 Individual component options:
153   --disable-everything     disable all components listed below
154   --disable-encoder=NAME   disable encoder NAME
155   --enable-encoder=NAME    enable encoder NAME
156   --disable-encoders       disable all encoders
157   --disable-decoder=NAME   disable decoder NAME
158   --enable-decoder=NAME    enable decoder NAME
159   --disable-decoders       disable all decoders
160   --disable-hwaccel=NAME   disable hwaccel NAME
161   --enable-hwaccel=NAME    enable hwaccel NAME
162   --disable-hwaccels       disable all hwaccels
163   --disable-muxer=NAME     disable muxer NAME
164   --enable-muxer=NAME      enable muxer NAME
165   --disable-muxers         disable all muxers
166   --disable-demuxer=NAME   disable demuxer NAME
167   --enable-demuxer=NAME    enable demuxer NAME
168   --disable-demuxers       disable all demuxers
169   --enable-parser=NAME     enable parser NAME
170   --disable-parser=NAME    disable parser NAME
171   --disable-parsers        disable all parsers
172   --enable-bsf=NAME        enable bitstream filter NAME
173   --disable-bsf=NAME       disable bitstream filter NAME
174   --disable-bsfs           disable all bitstream filters
175   --enable-protocol=NAME   enable protocol NAME
176   --disable-protocol=NAME  disable protocol NAME
177   --disable-protocols      disable all protocols
178   --enable-indev=NAME      enable input device NAME
179   --disable-indev=NAME     disable input device NAME
180   --disable-indevs         disable input devices
181   --enable-outdev=NAME     enable output device NAME
182   --disable-outdev=NAME    disable output device NAME
183   --disable-outdevs        disable output devices
184   --disable-devices        disable all devices
185   --enable-filter=NAME     enable filter NAME
186   --disable-filter=NAME    disable filter NAME
187   --disable-filters        disable all filters
188
189 External library support:
190
191   Using any of the following switches will allow FFmpeg to link to the
192   corresponding external library. All the components depending on that library
193   will become enabled, if all their other dependencies are met and they are not
194   explicitly disabled. E.g. --enable-libwavpack will enable linking to
195   libwavpack and allow the libwavpack encoder to be built, unless it is
196   specifically disabled with --disable-encoder=libwavpack.
197
198   Note that only the system libraries are auto-detected. All the other external
199   libraries must be explicitly enabled.
200
201   Also note that the following help text describes the purpose of the libraries
202   themselves, not all their features will necessarily be usable by FFmpeg.
203
204   --disable-alsa           disable ALSA support [autodetect]
205   --enable-avisynth        enable reading of AviSynth script files [no]
206   --disable-bzlib          disable bzlib [autodetect]
207   --enable-chromaprint     enable audio fingerprinting with chromaprint [no]
208   --enable-frei0r          enable frei0r video filtering [no]
209   --enable-gcrypt          enable gcrypt, needed for rtmp(t)e support
210                            if openssl, librtmp or gmp is not used [no]
211   --enable-gmp             enable gmp, needed for rtmp(t)e support
212                            if openssl or librtmp is not used [no]
213   --enable-gnutls          enable gnutls, needed for https support
214                            if openssl is not used [no]
215   --disable-iconv          disable iconv [autodetect]
216   --disable-jack           disable libjack support [autodetect]
217   --enable-jni             enable JNI support [no]
218   --enable-ladspa          enable LADSPA audio filtering [no]
219   --enable-libass          enable libass subtitles rendering,
220                            needed for subtitles and ass filter [no]
221   --enable-libbluray       enable BluRay reading using libbluray [no]
222   --enable-libbs2b         enable bs2b DSP library [no]
223   --enable-libcaca         enable textual display using libcaca [no]
224   --enable-libcelt         enable CELT decoding via libcelt [no]
225   --enable-libcdio         enable audio CD grabbing with libcdio [no]
226   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
227                            and libraw1394 [no]
228   --enable-libfdk-aac      enable AAC de/encoding via libfdk-aac [no]
229   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
230   --enable-libfontconfig   enable libfontconfig, useful for drawtext filter [no]
231   --enable-libfreetype     enable libfreetype, needed for drawtext filter [no]
232   --enable-libfribidi      enable libfribidi, improves drawtext filter [no]
233   --enable-libgme          enable Game Music Emu via libgme [no]
234   --enable-libgsm          enable GSM de/encoding via libgsm [no]
235   --enable-libiec61883     enable iec61883 via libiec61883 [no]
236   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
237   --enable-libkvazaar      enable HEVC encoding via libkvazaar [no]
238   --enable-libmodplug      enable ModPlug via libmodplug [no]
239   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
240   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
241   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
242   --enable-libopencv       enable video filtering via libopencv [no]
243   --enable-libopenh264     enable H.264 encoding via OpenH264 [no]
244   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
245   --enable-libopenmpt      enable decoding tracked files via libopenmpt [no]
246   --enable-libopus         enable Opus de/encoding via libopus [no]
247   --enable-libpulse        enable Pulseaudio input via libpulse [no]
248   --enable-librsvg         enable SVG rasterization via librsvg [no]
249   --enable-librubberband   enable rubberband needed for rubberband filter [no]
250   --enable-librtmp         enable RTMP[E] support via librtmp [no]
251   --enable-libshine        enable fixed-point MP3 encoding via libshine [no]
252   --enable-libsmbclient    enable Samba protocol via libsmbclient [no]
253   --enable-libsnappy       enable Snappy compression, needed for hap encoding [no]
254   --enable-libsoxr         enable Include libsoxr resampling [no]
255   --enable-libspeex        enable Speex de/encoding via libspeex [no]
256   --enable-libssh          enable SFTP protocol via libssh [no]
257   --enable-libtesseract    enable Tesseract, needed for ocr filter [no]
258   --enable-libtheora       enable Theora encoding via libtheora [no]
259   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
260   --enable-libv4l2         enable libv4l2/v4l-utils [no]
261   --enable-libvidstab      enable video stabilization using vid.stab [no]
262   --enable-libvmaf         enable vmaf filter via libvmaf [no]
263   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
264   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
265                            native implementation exists [no]
266   --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]
267   --enable-libwavpack      enable wavpack encoding via libwavpack [no]
268   --enable-libwebp         enable WebP encoding via libwebp [no]
269   --enable-libx264         enable H.264 encoding via x264 [no]
270   --enable-libx265         enable HEVC encoding via x265 [no]
271   --enable-libxavs         enable AVS encoding via xavs [no]
272   --enable-libxcb          enable X11 grabbing using XCB [autodetect]
273   --enable-libxcb-shm      enable X11 grabbing shm communication [autodetect]
274   --enable-libxcb-xfixes   enable X11 grabbing mouse rendering [autodetect]
275   --enable-libxcb-shape    enable X11 grabbing shape rendering [autodetect]
276   --enable-libxvid         enable Xvid encoding via xvidcore,
277                            native MPEG-4/Xvid encoder exists [no]
278   --enable-libzimg         enable z.lib, needed for zscale filter [no]
279   --enable-libzmq          enable message passing via libzmq [no]
280   --enable-libzvbi         enable teletext support via libzvbi [no]
281   --disable-lzma           disable lzma [autodetect]
282   --enable-decklink        enable Blackmagic DeckLink I/O support [no]
283   --enable-libndi_newtek   enable Newteck NDI I/O support [no]
284   --enable-mediacodec      enable Android MediaCodec support [no]
285   --enable-libmysofa       enable libmysofa, needed for sofalizer filter [no]
286   --enable-openal          enable OpenAL 1.1 capture support [no]
287   --enable-opencl          enable OpenCL code
288   --enable-opengl          enable OpenGL rendering [no]
289   --enable-openssl         enable openssl, needed for https support
290                            if gnutls is not used [no]
291   --disable-sndio          disable sndio support [autodetect]
292   --disable-schannel       disable SChannel SSP, needed for TLS support on
293                            Windows if openssl and gnutls are not used [autodetect]
294   --disable-sdl2           disable sdl2 [autodetect]
295   --disable-securetransport disable Secure Transport, needed for TLS support
296                            on OSX if openssl and gnutls are not used [autodetect]
297   --disable-xlib           disable xlib [autodetect]
298   --disable-zlib           disable zlib [autodetect]
299
300   The following libraries provide various hardware acceleration features:
301   --disable-audiotoolbox   disable Apple AudioToolbox code [autodetect]
302   --disable-cuda           disable dynamically linked Nvidia CUDA code [autodetect]
303   --enable-cuda-sdk        enable CUDA features that require the CUDA SDK [no]
304   --disable-cuvid          disable Nvidia CUVID support [autodetect]
305   --disable-d3d11va        disable Microsoft Direct3D 11 video acceleration code [autodetect]
306   --disable-dxva2          disable Microsoft DirectX 9 video acceleration code [autodetect]
307   --enable-libmfx          enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
308   --enable-libnpp          enable Nvidia Performance Primitives-based code [no]
309   --enable-mmal            enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
310   --disable-nvenc          disable Nvidia video encoding code [autodetect]
311   --enable-omx             enable OpenMAX IL code [no]
312   --enable-omx-rpi         enable OpenMAX IL code for Raspberry Pi [no]
313   --disable-vaapi          disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
314   --disable-vda            disable Apple Video Decode Acceleration code [autodetect]
315   --disable-vdpau          disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
316   --disable-videotoolbox   disable VideoToolbox code [autodetect]
317
318 Toolchain options:
319   --arch=ARCH              select architecture [$arch]
320   --cpu=CPU                select the minimum required CPU (affects
321                            instruction selection, may crash on older CPUs)
322   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
323   --progs-suffix=SUFFIX    program name suffix []
324   --enable-cross-compile   assume a cross-compiler is used
325   --sysroot=PATH           root of cross-build tree
326   --sysinclude=PATH        location of cross-build system headers
327   --target-os=OS           compiler targets OS [$target_os]
328   --target-exec=CMD        command to run executables on target
329   --target-path=DIR        path to view of build directory on target
330   --target-samples=DIR     path to samples directory on target
331   --tempprefix=PATH        force fixed dir/prefix instead of mktemp for checks
332   --toolchain=NAME         set tool defaults according to NAME
333   --nm=NM                  use nm tool NM [$nm_default]
334   --ar=AR                  use archive tool AR [$ar_default]
335   --as=AS                  use assembler AS [$as_default]
336   --ln_s=LN_S              use symbolic link tool LN_S [$ln_s_default]
337   --strip=STRIP            use strip tool STRIP [$strip_default]
338   --windres=WINDRES        use windows resource compiler WINDRES [$windres_default]
339   --x86asmexe=EXE          use nasm-compatible assembler EXE [$x86asmexe_default]
340   --cc=CC                  use C compiler CC [$cc_default]
341   --cxx=CXX                use C compiler CXX [$cxx_default]
342   --objcc=OCC              use ObjC compiler OCC [$cc_default]
343   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
344   --nvcc=NVCC              use Nvidia CUDA compiler NVCC [$nvcc_default]
345   --ld=LD                  use linker LD [$ld_default]
346   --pkg-config=PKGCONFIG   use pkg-config tool PKGCONFIG [$pkg_config_default]
347   --pkg-config-flags=FLAGS pass additional flags to pkgconf []
348   --ranlib=RANLIB          use ranlib RANLIB [$ranlib_default]
349   --doxygen=DOXYGEN        use DOXYGEN to generate API doc [$doxygen_default]
350   --host-cc=HOSTCC         use host C compiler HOSTCC
351   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
352   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
353   --host-ld=HOSTLD         use host linker HOSTLD
354   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
355   --host-libs=HLIBS        use libs HLIBS when linking for host
356   --host-os=OS             compiler host OS [$target_os]
357   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
358   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
359   --extra-objcflags=FLAGS  add FLAGS to OBJCFLAGS [$CFLAGS]
360   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
361   --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
362   --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
363   --extra-libs=ELIBS       add ELIBS [$ELIBS]
364   --extra-version=STRING   version string suffix []
365   --optflags=OPTFLAGS      override optimization-related compiler flags
366   --nvccflags=NVCCFLAGS    override nvcc flags [$nvccflags_default]
367   --build-suffix=SUFFIX    library name suffix []
368   --enable-pic             build position-independent code
369   --enable-thumb           compile for Thumb instruction set
370   --enable-lto             use link-time optimization
371   --env="ENV=override"     override the environment variables
372
373 Advanced options (experts only):
374   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
375   --custom-allocator=NAME  use a supported custom allocator
376   --disable-symver         disable symbol versioning
377   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
378   --disable-safe-bitstream-reader
379                            disable buffer boundary checking in bitreaders
380                            (faster, but may crash)
381   --sws-max-filter-size=N  the max filter size swscale uses [$sws_max_filter_size_default]
382
383 Optimization options (experts only):
384   --disable-asm            disable all assembly optimizations
385   --disable-altivec        disable AltiVec optimizations
386   --disable-vsx            disable VSX optimizations
387   --disable-power8         disable POWER8 optimizations
388   --disable-amd3dnow       disable 3DNow! optimizations
389   --disable-amd3dnowext    disable 3DNow! extended optimizations
390   --disable-mmx            disable MMX optimizations
391   --disable-mmxext         disable MMXEXT optimizations
392   --disable-sse            disable SSE optimizations
393   --disable-sse2           disable SSE2 optimizations
394   --disable-sse3           disable SSE3 optimizations
395   --disable-ssse3          disable SSSE3 optimizations
396   --disable-sse4           disable SSE4 optimizations
397   --disable-sse42          disable SSE4.2 optimizations
398   --disable-avx            disable AVX optimizations
399   --disable-xop            disable XOP optimizations
400   --disable-fma3           disable FMA3 optimizations
401   --disable-fma4           disable FMA4 optimizations
402   --disable-avx2           disable AVX2 optimizations
403   --disable-aesni          disable AESNI optimizations
404   --disable-armv5te        disable armv5te optimizations
405   --disable-armv6          disable armv6 optimizations
406   --disable-armv6t2        disable armv6t2 optimizations
407   --disable-vfp            disable VFP optimizations
408   --disable-neon           disable NEON optimizations
409   --disable-inline-asm     disable use of inline assembly
410   --disable-x86asm         disable use of standalone x86 assembly
411   --disable-mipsdsp        disable MIPS DSP ASE R1 optimizations
412   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
413   --disable-msa            disable MSA optimizations
414   --disable-mipsfpu        disable floating point MIPS optimizations
415   --disable-mmi            disable Loongson SIMD optimizations
416   --disable-fast-unaligned consider unaligned accesses slow
417
418 Developer options (useful when working on FFmpeg itself):
419   --disable-debug          disable debugging symbols
420   --enable-debug=LEVEL     set the debug level [$debuglevel]
421   --disable-optimizations  disable compiler optimizations
422   --enable-extra-warnings  enable more compiler warnings
423   --disable-stripping      disable stripping of executables and shared libraries
424   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
425                            2 causes a slowdown at runtime.
426   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
427   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
428                            leaks and errors, using the specified valgrind binary.
429                            Cannot be combined with --target-exec
430   --enable-ftrapv          Trap arithmetic overflows
431   --samples=PATH           location of test samples for FATE, if not set use
432                            \$FATE_SAMPLES at make invocation time.
433   --enable-neon-clobber-test check NEON registers for clobbering (should be
434                            used only for debugging purposes)
435   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
436                            should be used only for debugging purposes)
437   --enable-random          randomly enable/disable components
438   --disable-random
439   --enable-random=LIST     randomly enable/disable specific components or
440   --disable-random=LIST    component groups. LIST is a comma-separated list
441                            of NAME[:PROB] entries where NAME is a component
442                            (group) and PROB the probability associated with
443                            NAME (default 0.5).
444   --random-seed=VALUE      seed value for --enable/disable-random
445   --disable-valgrind-backtrace do not print a backtrace under Valgrind
446                            (only applies to --disable-optimizations builds)
447   --enable-osfuzz          Enable building fuzzer tool
448   --libfuzzer=PATH         path to libfuzzer
449   --ignore-tests=TESTS     comma-separated list (without "fate-" prefix
450                            in the name) of tests whose result is ignored
451
452 NOTE: Object files are built at the place where configure is launched.
453 EOF
454   exit 0
455 }
456
457 quotes='""'
458 if test -t 1 && which tput >/dev/null 2>&1; then
459     ncolors=$(tput colors)
460     if test -n "$ncolors" && test $ncolors -ge 8; then
461         bold_color=$(tput bold)
462         warn_color=$(tput setaf 3)
463         error_color=$(tput setaf 1)
464         reset_color=$(tput sgr0)
465     fi
466     # 72 used instead of 80 since that's the default of pr
467     ncols=$(tput cols)
468 fi
469 : ${ncols:=72}
470
471 log(){
472     echo "$@" >> $logfile
473 }
474
475 log_file(){
476     log BEGIN $1
477     pr -n -t $1 >> $logfile
478     log END $1
479 }
480
481 warn(){
482     log "WARNING: $*"
483     WARNINGS="${WARNINGS}WARNING: $*\n"
484 }
485
486 die(){
487     log "$@"
488     echo "$error_color$bold_color$@$reset_color"
489     cat <<EOF
490
491 If you think configure made a mistake, make sure you are using the latest
492 version from Git.  If the latest version fails, report the problem to the
493 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
494 EOF
495     if disabled logging; then
496         cat <<EOF
497 Rerun configure with logging enabled (do not use --disable-logging), and
498 include the log this produces with your report.
499 EOF
500     else
501         cat <<EOF
502 Include the log file "$logfile" produced by configure as this will help
503 solve the problem.
504 EOF
505     fi
506     exit 1
507 }
508
509 # Avoid locale weirdness, besides we really just want to translate ASCII.
510 toupper(){
511     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
512 }
513
514 tolower(){
515     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
516 }
517
518 c_escape(){
519     echo "$*" | sed 's/["\\]/\\\0/g'
520 }
521
522 sh_quote(){
523     v=$(echo "$1" | sed "s/'/'\\\\''/g")
524     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
525     echo "$v"
526 }
527
528 cleanws(){
529     echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
530 }
531
532 filter(){
533     pat=$1
534     shift
535     for v; do
536         eval "case $v in $pat) printf '%s ' $v ;; esac"
537     done
538 }
539
540 filter_out(){
541     pat=$1
542     shift
543     for v; do
544         eval "case $v in $pat) ;; *) printf '%s ' $v ;; esac"
545     done
546 }
547
548 map(){
549     m=$1
550     shift
551     for v; do eval $m; done
552 }
553
554 add_suffix(){
555     suffix=$1
556     shift
557     for v; do echo ${v}${suffix}; done
558 }
559
560 set_all(){
561     value=$1
562     shift
563     for var in $*; do
564         eval $var=$value
565     done
566 }
567
568 set_weak(){
569     value=$1
570     shift
571     for var; do
572         eval : \${$var:=$value}
573     done
574 }
575
576 sanitize_var_name(){
577     echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
578 }
579
580 set_safe(){
581     var=$1
582     shift
583     eval $(sanitize_var_name "$var")='$*'
584 }
585
586 get_safe(){
587     eval echo \$$(sanitize_var_name "$1")
588 }
589
590 pushvar(){
591     for pvar in $*; do
592         eval level=\${${pvar}_level:=0}
593         eval ${pvar}_${level}="\$$pvar"
594         eval ${pvar}_level=$(($level+1))
595     done
596 }
597
598 popvar(){
599     for pvar in $*; do
600         eval level=\${${pvar}_level:-0}
601         test $level = 0 && continue
602         eval level=$(($level-1))
603         eval $pvar="\${${pvar}_${level}}"
604         eval ${pvar}_level=$level
605         eval unset ${pvar}_${level}
606     done
607 }
608
609 request(){
610     for var in $*; do
611         eval ${var}_requested=yes
612         eval $var=
613     done
614 }
615
616 enable(){
617     set_all yes $*
618 }
619
620 disable(){
621     set_all no $*
622 }
623
624 enable_weak(){
625     set_weak yes $*
626 }
627
628 disable_weak(){
629     set_weak no $*
630 }
631
632 enable_safe(){
633     for var; do
634         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
635     done
636 }
637
638 disable_safe(){
639     for var; do
640         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
641     done
642 }
643
644 do_enable_deep(){
645     for var; do
646         enabled $var && continue
647         eval sel="\$${var}_select"
648         eval sgs="\$${var}_suggest"
649         pushvar var sgs
650         enable_deep $sel
651         popvar sgs
652         enable_deep_weak $sgs
653         popvar var
654     done
655 }
656
657 enable_deep(){
658     do_enable_deep $*
659     enable $*
660 }
661
662 enable_deep_weak(){
663     for var; do
664         disabled $var && continue
665         pushvar var
666         do_enable_deep $var
667         popvar var
668         enable_weak $var
669     done
670 }
671
672 requested(){
673     test "${1#!}" = "$1" && op='=' || op=!=
674     eval test "x\$${1#!}_requested" $op "xyes"
675 }
676
677 enabled(){
678     test "${1#!}" = "$1" && op='=' || op=!=
679     eval test "x\$${1#!}" $op "xyes"
680 }
681
682 disabled(){
683     test "${1#!}" = "$1" && op='=' || op=!=
684     eval test "x\$${1#!}" $op "xno"
685 }
686
687 enabled_all(){
688     for opt; do
689         enabled $opt || return 1
690     done
691 }
692
693 disabled_all(){
694     for opt; do
695         disabled $opt || return 1
696     done
697 }
698
699 enabled_any(){
700     for opt; do
701         enabled $opt && return 0
702     done
703 }
704
705 disabled_any(){
706     for opt; do
707         disabled $opt && return 0
708     done
709     return 1
710 }
711
712 set_default(){
713     for opt; do
714         eval : \${$opt:=\$${opt}_default}
715     done
716 }
717
718 is_in(){
719     value=$1
720     shift
721     for var in $*; do
722         [ $var = $value ] && return 0
723     done
724     return 1
725 }
726
727 do_check_deps(){
728     for cfg; do
729         cfg="${cfg#!}"
730         enabled ${cfg}_checking && die "Circular dependency for $cfg."
731         disabled ${cfg}_checking && continue
732         enable ${cfg}_checking
733         append allopts $cfg
734
735         eval dep_all="\$${cfg}_deps"
736         eval dep_any="\$${cfg}_deps_any"
737         eval dep_sel="\$${cfg}_select"
738         eval dep_sgs="\$${cfg}_suggest"
739         eval dep_ifa="\$${cfg}_if"
740         eval dep_ifn="\$${cfg}_if_any"
741
742         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
743         do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
744         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
745
746         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
747         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
748         enabled_all  $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
749         enabled_any  $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
750         disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
751
752         if enabled $cfg; then
753             enable_deep $dep_sel
754             enable_deep_weak $dep_sgs
755         fi
756
757         disable ${cfg}_checking
758     done
759 }
760
761 check_deps(){
762     unset allopts
763
764     do_check_deps "$@"
765
766     for cfg in $allopts; do
767         enabled $cfg || continue
768         eval dep_extralibs="\$${cfg}_extralibs"
769         test -n "$dep_extralibs" && add_extralibs $dep_extralibs
770     done
771 }
772
773 print_config(){
774     pfx=$1
775     files=$2
776     shift 2
777     map 'eval echo "$v \${$v:-no}"' "$@" |
778     awk "BEGIN { split(\"$files\", files) }
779         {
780             c = \"$pfx\" toupper(\$1);
781             v = \$2;
782             sub(/yes/, 1, v);
783             sub(/no/,  0, v);
784             for (f in files) {
785                 file = files[f];
786                 if (file ~ /\\.h\$/) {
787                     printf(\"#define %s %d\\n\", c, v) >>file;
788                 } else if (file ~ /\\.asm\$/) {
789                     printf(\"%%define %s %d\\n\", c, v) >>file;
790                 } else if (file ~ /\\.mak\$/) {
791                     n = -v ? \"\" : \"!\";
792                     printf(\"%s%s=yes\\n\", n, c) >>file;
793                 } else if (file ~ /\\.texi\$/) {
794                     pre = -v ? \"\" : \"@c \";
795                     yesno = \$2;
796                     c2 = tolower(c);
797                     gsub(/_/, \"-\", c2);
798                     printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
799                 }
800             }
801         }"
802 }
803
804 print_enabled(){
805     suf=$1
806     shift
807     for v; do
808         enabled $v && printf "%s\n" ${v%$suf}
809     done
810 }
811
812 append(){
813     var=$1
814     shift
815     eval "$var=\"\$$var $*\""
816 }
817
818 prepend(){
819     var=$1
820     shift
821     eval "$var=\"$* \$$var\""
822 }
823
824 unique(){
825     var=$1
826     uniq_list=""
827     for tok in $(eval echo \$$var); do
828         uniq_list="$(filter_out $tok $uniq_list) $tok"
829     done
830     eval "$var=\"${uniq_list}\""
831 }
832
833 add_cppflags(){
834     append CPPFLAGS "$@"
835 }
836
837 add_cflags(){
838     append CFLAGS $($cflags_filter "$@")
839 }
840
841 add_cflags_headers(){
842     append CFLAGS_HEADERS $($cflags_filter "$@")
843 }
844
845 add_cxxflags(){
846     append CXXFLAGS $($cflags_filter "$@")
847 }
848
849 add_asflags(){
850     append ASFLAGS $($asflags_filter "$@")
851 }
852
853 add_objcflags(){
854     append OBJCFLAGS $($objcflags_filter "$@")
855 }
856
857 add_ldflags(){
858     append LDFLAGS $($ldflags_filter "$@")
859 }
860
861 add_ldexeflags(){
862     append LDEXEFLAGS $($ldflags_filter "$@")
863 }
864
865 add_ldlibflags(){
866     append LDLIBFLAGS $($ldflags_filter "$@")
867 }
868
869 add_stripflags(){
870     append ASMSTRIPFLAGS "$@"
871 }
872
873 add_extralibs(){
874     prepend extralibs $($ldflags_filter "$@")
875 }
876
877 add_host_cppflags(){
878     append host_cppflags "$@"
879 }
880
881 add_host_cflags(){
882     append host_cflags $($host_cflags_filter "$@")
883 }
884
885 add_host_ldflags(){
886     append host_ldflags $($host_ldflags_filter "$@")
887 }
888
889 add_compat(){
890     append compat_objs $1
891     shift
892     map 'add_cppflags -D$v' "$@"
893 }
894
895 check_cmd(){
896     log "$@"
897     "$@" >> $logfile 2>&1
898 }
899
900 check_stat(){
901     log check_stat "$@"
902     stat "$1" >> $logfile 2>&1
903 }
904
905 cc_o(){
906     eval printf '%s\\n' $CC_O
907 }
908
909 cc_e(){
910     eval printf '%s\\n' $CC_E
911 }
912
913 check_cc(){
914     log check_cc "$@"
915     cat > $TMPC
916     log_file $TMPC
917     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
918 }
919
920 check_cxx(){
921     log check_cxx "$@"
922     cat > $TMPCPP
923     log_file $TMPCPP
924     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
925 }
926
927 check_objcc(){
928     log check_objcc "$@"
929     cat > $TMPM
930     log_file $TMPM
931     check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
932 }
933
934 check_cpp(){
935     log check_cpp "$@"
936     cat > $TMPC
937     log_file $TMPC
938     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
939 }
940
941 as_o(){
942     eval printf '%s\\n' $AS_O
943 }
944
945 check_as(){
946     log check_as "$@"
947     cat > $TMPS
948     log_file $TMPS
949     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
950 }
951
952 check_inline_asm(){
953     log check_inline_asm "$@"
954     name="$1"
955     code="$2"
956     shift 2
957     disable $name
958     check_cc "$@" <<EOF && enable $name
959 void foo(void){ __asm__ volatile($code); }
960 EOF
961 }
962
963 check_inline_asm_flags(){
964     log check_inline_asm_flags "$@"
965     name="$1"
966     code="$2"
967     flags=''
968     shift 2
969     while [ "$1" != "" ]; do
970       append flags $1
971       shift
972     done;
973     disable $name
974     cat > $TMPC <<EOF
975 void foo(void){ __asm__ volatile($code); }
976 EOF
977     log_file $TMPC
978     check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
979     enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
980 }
981
982 check_insn(){
983     log check_insn "$@"
984     check_inline_asm ${1}_inline "\"$2\""
985     echo "$2" | check_as && enable ${1}_external || disable ${1}_external
986 }
987
988 check_x86asm(){
989     log check_x86asm "$@"
990     echo "$1" > $TMPS
991     log_file $TMPS
992     shift 1
993     check_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS
994 }
995
996 ld_o(){
997     eval printf '%s\\n' $LD_O
998 }
999
1000 check_ld(){
1001     log check_ld "$@"
1002     type=$1
1003     shift 1
1004     flags=$(filter_out '-l*|*.so' $@)
1005     libs=$(filter '-l*|*.so' $@)
1006     check_$type $($cflags_filter $flags) || return
1007     flags=$($ldflags_filter $flags)
1008     libs=$($ldflags_filter $libs)
1009     check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1010 }
1011
1012 print_include(){
1013     hdr=$1
1014     test "${hdr%.h}" = "${hdr}" &&
1015         echo "#include $hdr"    ||
1016         echo "#include <$hdr>"
1017 }
1018
1019 check_code(){
1020     log check_code "$@"
1021     check=$1
1022     headers=$2
1023     code=$3
1024     shift 3
1025     {
1026         for hdr in $headers; do
1027             print_include $hdr
1028         done
1029         echo "int main(void) { $code; return 0; }"
1030     } | check_$check "$@"
1031 }
1032
1033 check_cppflags(){
1034     log check_cppflags "$@"
1035     check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1036 int x;
1037 EOF
1038 }
1039
1040 test_cflags(){
1041     log test_cflags "$@"
1042     set -- $($cflags_filter "$@")
1043     check_cc "$@" <<EOF
1044 int x;
1045 EOF
1046 }
1047
1048 check_cflags(){
1049     log check_cflags "$@"
1050     test_cflags "$@" && add_cflags "$@"
1051 }
1052
1053 check_cxxflags(){
1054     log check_cxxflags "$@"
1055     set -- $($cflags_filter "$@")
1056     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1057 int x;
1058 EOF
1059 }
1060
1061 test_objcflags(){
1062     log test_objcflags "$@"
1063     set -- $($objcflags_filter "$@")
1064     check_objcc "$@" <<EOF
1065 int x;
1066 EOF
1067 }
1068
1069 check_objcflags(){
1070     log check_objcflags "$@"
1071     test_objcflags "$@" && add_objcflags "$@"
1072 }
1073
1074 test_ldflags(){
1075     log test_ldflags "$@"
1076     check_ld "cc" "$@" <<EOF
1077 int main(void){ return 0; }
1078 EOF
1079 }
1080
1081 check_ldflags(){
1082     log check_ldflags "$@"
1083     test_ldflags "$@" && add_ldflags "$@"
1084 }
1085
1086 test_stripflags(){
1087     log test_stripflags "$@"
1088     # call check_cc to get a fresh TMPO
1089     check_cc <<EOF
1090 int main(void) { return 0; }
1091 EOF
1092     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1093 }
1094
1095 check_stripflags(){
1096     log check_stripflags "$@"
1097     test_stripflags "$@" && add_stripflags "$@"
1098 }
1099
1100 check_header(){
1101     log check_header "$@"
1102     header=$1
1103     shift
1104     disable_safe $header
1105     check_cpp "$@" <<EOF && enable_safe $header
1106 #include <$header>
1107 int x;
1108 EOF
1109 }
1110
1111 check_header_objcc(){
1112     log check_header_objcc "$@"
1113     rm -f -- "$TMPO"
1114     header=$1
1115     shift
1116     disable_safe $header
1117     {
1118        echo "#include <$header>"
1119        echo "int main(void) { return 0; }"
1120     } | check_objcc && check_stat "$TMPO" && enable_safe $headers
1121 }
1122
1123 check_func(){
1124     log check_func "$@"
1125     func=$1
1126     shift
1127     disable $func
1128     check_ld "cc" "$@" <<EOF && enable $func
1129 extern int $func();
1130 int main(void){ $func(); }
1131 EOF
1132 }
1133
1134 check_complexfunc(){
1135     log check_complexfunc "$@"
1136     func=$1
1137     narg=$2
1138     shift 2
1139     test $narg = 2 && args="f, g" || args="f * I"
1140     disable $func
1141     check_ld "cc" "$@" <<EOF && enable $func
1142 #include <complex.h>
1143 #include <math.h>
1144 float foo(complex float f, complex float g) { return $func($args); }
1145 int main(void){ return (int) foo; }
1146 EOF
1147 }
1148
1149 check_mathfunc(){
1150     log check_mathfunc "$@"
1151     func=$1
1152     narg=$2
1153     shift 2
1154     test $narg = 2 && args="f, g" || args="f"
1155     disable $func
1156     check_ld "cc" "$@" <<EOF && enable $func
1157 #include <math.h>
1158 float foo(float f, float g) { return $func($args); }
1159 int main(void){ return (int) foo; }
1160 EOF
1161 }
1162
1163 check_func_headers(){
1164     log check_func_headers "$@"
1165     headers=$1
1166     funcs=$2
1167     shift 2
1168     {
1169         for hdr in $headers; do
1170             print_include $hdr
1171         done
1172         echo "#include <stdint.h>"
1173         for func in $funcs; do
1174             echo "long check_$func(void) { return (long) $func; }"
1175         done
1176         echo "int main(void) { int ret = 0;"
1177         # LTO could optimize out the test functions without this
1178         for func in $funcs; do
1179             echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1180         done
1181         echo "return ret; }"
1182     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1183 }
1184
1185 check_class_headers_cpp(){
1186     log check_class_headers_cpp "$@"
1187     headers=$1
1188     classes=$2
1189     shift 2
1190     {
1191         for hdr in $headers; do
1192             echo "#include <$hdr>"
1193         done
1194         echo "int main(void) { "
1195         i=1
1196         for class in $classes; do
1197             echo "$class obj$i;"
1198             i=$(expr $i + 1)
1199         done
1200         echo "return 0; }"
1201     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1202 }
1203
1204 check_cpp_condition(){
1205     log check_cpp_condition "$@"
1206     header=$1
1207     condition=$2
1208     shift 2
1209     check_cpp "$@" <<EOF
1210 #include <$header>
1211 #if !($condition)
1212 #error "unsatisfied condition: $condition"
1213 #endif
1214 EOF
1215 }
1216
1217 test_cflags_cc(){
1218     log test_cflags_cc "$@"
1219     flags=$1
1220     header=$2
1221     condition=$3
1222     shift 3
1223     set -- $($cflags_filter "$flags")
1224     check_cc "$@" <<EOF
1225 #include <$header>
1226 #if !($condition)
1227 #error "unsatisfied condition: $condition"
1228 #endif
1229 EOF
1230 }
1231
1232 check_lib(){
1233     log check_lib "$@"
1234     name="$1"
1235     headers="$2"
1236     funcs="$3"
1237     shift 3
1238     disable $name
1239     check_func_headers "$headers" "$funcs" "$@" &&
1240         enable $name && add_extralibs "$@"
1241 }
1242
1243 check_lib_cpp(){
1244     log check_lib_cpp "$@"
1245     headers="$1"
1246     classes="$2"
1247     shift 2
1248     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1249 }
1250
1251 check_pkg_config(){
1252     log check_pkg_config "$@"
1253     pkg_version="$1"
1254     pkg="${1%% *}"
1255     headers="$2"
1256     funcs="$3"
1257     shift 3
1258     check_cmd $pkg_config --exists --print-errors $pkg_version || return
1259     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1260     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1261     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1262         set_safe "${pkg}_cflags"    $pkg_cflags &&
1263         set_safe "${pkg}_extralibs" $pkg_libs
1264 }
1265
1266 check_exec(){
1267     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1268 }
1269
1270 check_exec_crash(){
1271     log check_exec_crash "$@"
1272     code=$(cat)
1273
1274     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
1275     # are safe but may not be available everywhere.  Thus we use
1276     # raise(SIGTERM) instead.  The check is run in a subshell so we
1277     # can redirect the "Terminated" message from the shell.  SIGBUS
1278     # is not defined by standard C so it is used conditionally.
1279
1280     (check_exec "$@") >> $logfile 2>&1 <<EOF
1281 #include <signal.h>
1282 static void sighandler(int sig){
1283     raise(SIGTERM);
1284 }
1285 int foo(void){
1286     $code
1287 }
1288 int (*func_ptr)(void) = foo;
1289 int main(void){
1290     signal(SIGILL, sighandler);
1291     signal(SIGFPE, sighandler);
1292     signal(SIGSEGV, sighandler);
1293 #ifdef SIGBUS
1294     signal(SIGBUS, sighandler);
1295 #endif
1296     return func_ptr();
1297 }
1298 EOF
1299 }
1300
1301 check_type(){
1302     log check_type "$@"
1303     headers=$1
1304     type=$2
1305     shift 2
1306     disable_safe "$type"
1307     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1308 }
1309
1310 check_struct(){
1311     log check_struct "$@"
1312     headers=$1
1313     struct=$2
1314     member=$3
1315     shift 3
1316     disable_safe "${struct}_${member}"
1317     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1318         enable_safe "${struct}_${member}"
1319 }
1320
1321 check_builtin(){
1322     log check_builtin "$@"
1323     name=$1
1324     headers=$2
1325     builtin=$3
1326     shift 3
1327     disable "$name"
1328     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1329 }
1330
1331 check_compile_assert(){
1332     log check_compile_assert "$@"
1333     name=$1
1334     headers=$2
1335     condition=$3
1336     shift 3
1337     disable "$name"
1338     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1339 }
1340
1341 require(){
1342     log require "$@"
1343     name_version="$1"
1344     name="${1%% *}"
1345     headers="$2"
1346     func="$3"
1347     shift 3
1348     check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1349 }
1350
1351 require_cpp(){
1352     name="$1"
1353     headers="$2"
1354     classes="$3"
1355     shift 3
1356     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1357 }
1358
1359 use_pkg_config(){
1360     log use_pkg_config "$@"
1361     pkg="$1"
1362     check_pkg_config "$@" || return 1
1363     add_cflags    $(get_safe "${pkg}_cflags")
1364     add_extralibs $(get_safe "${pkg}_extralibs")
1365 }
1366
1367 require_pkg_config(){
1368     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1369 }
1370
1371 hostcc_e(){
1372     eval printf '%s\\n' $HOSTCC_E
1373 }
1374
1375 hostcc_o(){
1376     eval printf '%s\\n' $HOSTCC_O
1377 }
1378
1379 check_host_cc(){
1380     log check_host_cc "$@"
1381     cat > $TMPC
1382     log_file $TMPC
1383     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1384 }
1385
1386 check_host_cpp(){
1387     log check_host_cpp "$@"
1388     cat > $TMPC
1389     log_file $TMPC
1390     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1391 }
1392
1393 check_host_cppflags(){
1394     log check_host_cppflags "$@"
1395     check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1396 int x;
1397 EOF
1398 }
1399
1400 check_host_cflags(){
1401     log check_host_cflags "$@"
1402     set -- $($host_cflags_filter "$@")
1403     check_host_cc "$@" <<EOF && append host_cflags "$@"
1404 int x;
1405 EOF
1406 }
1407
1408 check_host_cpp_condition(){
1409     log check_host_cpp_condition "$@"
1410     header=$1
1411     condition=$2
1412     shift 2
1413     check_host_cpp "$@" <<EOF
1414 #include <$header>
1415 #if !($condition)
1416 #error "unsatisfied condition: $condition"
1417 #endif
1418 EOF
1419 }
1420
1421 cp_if_changed(){
1422     cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1423     mkdir -p "$(dirname $2)"
1424     cp -f "$1" "$2"
1425 }
1426
1427 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1428 # system-dependent things.
1429
1430 AVCODEC_COMPONENTS="
1431     bsfs
1432     decoders
1433     encoders
1434     hwaccels
1435     parsers
1436 "
1437
1438 AVDEVICE_COMPONENTS="
1439     indevs
1440     outdevs
1441 "
1442 AVFILTER_COMPONENTS="
1443     filters
1444 "
1445 AVFORMAT_COMPONENTS="
1446     demuxers
1447     muxers
1448     protocols
1449 "
1450
1451 AVRESAMPLE_COMPONENTS=""
1452 AVUTIL_COMPONENTS=""
1453
1454 COMPONENT_LIST="
1455     $AVCODEC_COMPONENTS
1456     $AVDEVICE_COMPONENTS
1457     $AVFILTER_COMPONENTS
1458     $AVFORMAT_COMPONENTS
1459     $AVRESAMPLE_COMPONENTS
1460     $AVUTIL_COMPONENTS
1461 "
1462
1463 EXAMPLE_LIST="
1464     avio_dir_cmd_example
1465     avio_reading_example
1466     decode_audio_example
1467     decode_video_example
1468     demuxing_decoding_example
1469     encode_audio_example
1470     encode_video_example
1471     extract_mvs_example
1472     filter_audio_example
1473     filtering_audio_example
1474     filtering_video_example
1475     http_multiclient_example
1476     hw_decode_example
1477     metadata_example
1478     muxing_example
1479     qsvdec_example
1480     remuxing_example
1481     resampling_audio_example
1482     scaling_video_example
1483     transcode_aac_example
1484     transcoding_example
1485 "
1486 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1487     alsa
1488     bzlib
1489     iconv
1490     jack
1491     libxcb
1492     libxcb_shm
1493     libxcb_shape
1494     libxcb_xfixes
1495     lzma
1496     schannel
1497     sdl2
1498     securetransport
1499     sndio
1500     xlib
1501     zlib
1502 "
1503
1504 EXTERNAL_LIBRARY_GPL_LIST="
1505     avisynth
1506     frei0r
1507     libcdio
1508     librubberband
1509     libvidstab
1510     libx264
1511     libx265
1512     libxavs
1513     libxvid
1514 "
1515
1516 EXTERNAL_LIBRARY_NONFREE_LIST="
1517     decklink
1518     libndi_newtek
1519     libfdk_aac
1520     openssl
1521 "
1522
1523 EXTERNAL_LIBRARY_VERSION3_LIST="
1524     gmp
1525     libopencore_amrnb
1526     libopencore_amrwb
1527     libvo_amrwbenc
1528 "
1529
1530 EXTERNAL_LIBRARY_GPLV3_LIST="
1531     libsmbclient
1532 "
1533
1534 EXTERNAL_LIBRARY_LIST="
1535     $EXTERNAL_AUTODETECT_LIBRARY_LIST
1536     $EXTERNAL_LIBRARY_GPL_LIST
1537     $EXTERNAL_LIBRARY_NONFREE_LIST
1538     $EXTERNAL_LIBRARY_VERSION3_LIST
1539     $EXTERNAL_LIBRARY_GPLV3_LIST
1540     chromaprint
1541     gcrypt
1542     gnutls
1543     jni
1544     ladspa
1545     libass
1546     libbluray
1547     libbs2b
1548     libcaca
1549     libcelt
1550     libdc1394
1551     libflite
1552     libfontconfig
1553     libfreetype
1554     libfribidi
1555     libgme
1556     libgsm
1557     libiec61883
1558     libilbc
1559     libkvazaar
1560     libmodplug
1561     libmp3lame
1562     libmysofa
1563     libopencv
1564     libopenh264
1565     libopenjpeg
1566     libopenmpt
1567     libopus
1568     libpulse
1569     librsvg
1570     librtmp
1571     libshine
1572     libsmbclient
1573     libsnappy
1574     libsoxr
1575     libspeex
1576     libssh
1577     libtesseract
1578     libtheora
1579     libtwolame
1580     libv4l2
1581     libvmaf
1582     libvorbis
1583     libvpx
1584     libwavpack
1585     libwebp
1586     libzimg
1587     libzmq
1588     libzvbi
1589     mediacodec
1590     openal
1591     opencl
1592     opengl
1593     videotoolbox
1594 "
1595 HWACCEL_AUTODETECT_LIBRARY_LIST="
1596     audiotoolbox
1597     crystalhd
1598     cuda
1599     cuvid
1600     d3d11va
1601     dxva2
1602     nvenc
1603     vaapi
1604     vda
1605     vdpau
1606     videotoolbox_hwaccel
1607     xvmc
1608 "
1609
1610 HWACCEL_LIBRARY_NONFREE_LIST="
1611     cuda_sdk
1612     libnpp
1613 "
1614
1615 HWACCEL_LIBRARY_LIST="
1616     $HWACCEL_AUTODETECT_LIBRARY_LIST
1617     $HWACCEL_LIBRARY_NONFREE_LIST
1618     libmfx
1619     mmal
1620     omx
1621 "
1622
1623 DOCUMENT_LIST="
1624     doc
1625     htmlpages
1626     manpages
1627     podpages
1628     txtpages
1629 "
1630
1631 FEATURE_LIST="
1632     ftrapv
1633     gray
1634     hardcoded_tables
1635     omx_rpi
1636     runtime_cpudetect
1637     safe_bitstream_reader
1638     shared
1639     small
1640     static
1641     swscale_alpha
1642 "
1643
1644 LIBRARY_LIST="
1645     avcodec
1646     avdevice
1647     avfilter
1648     avformat
1649     avresample
1650     avutil
1651     postproc
1652     swresample
1653     swscale
1654 "
1655
1656 LICENSE_LIST="
1657     gpl
1658     nonfree
1659     version3
1660 "
1661
1662 PROGRAM_LIST="
1663     ffplay
1664     ffprobe
1665     ffserver
1666     ffmpeg
1667 "
1668
1669 SUBSYSTEM_LIST="
1670     dct
1671     dwt
1672     error_resilience
1673     faan
1674     fast_unaligned
1675     fft
1676     lsp
1677     lzo
1678     mdct
1679     pixelutils
1680     network
1681     rdft
1682 "
1683
1684 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1685 CONFIG_LIST="
1686     $DOCUMENT_LIST
1687     $EXAMPLE_LIST
1688     $EXTERNAL_LIBRARY_LIST
1689     $HWACCEL_LIBRARY_LIST
1690     $FEATURE_LIST
1691     $LICENSE_LIST
1692     $LIBRARY_LIST
1693     $PROGRAM_LIST
1694     $SUBSYSTEM_LIST
1695     autodetect
1696     fontconfig
1697     memory_poisoning
1698     neon_clobber_test
1699     ossfuzz
1700     pic
1701     thumb
1702     valgrind_backtrace
1703     xmm_clobber_test
1704     $COMPONENT_LIST
1705 "
1706
1707 THREADS_LIST="
1708     pthreads
1709     os2threads
1710     w32threads
1711 "
1712
1713 ATOMICS_LIST="
1714     atomics_gcc
1715     atomics_suncc
1716     atomics_win32
1717 "
1718
1719 AUTODETECT_LIBS="
1720     $EXTERNAL_AUTODETECT_LIBRARY_LIST
1721     $HWACCEL_AUTODETECT_LIBRARY_LIST
1722     $THREADS_LIST
1723 "
1724
1725 ARCH_LIST="
1726     aarch64
1727     alpha
1728     arm
1729     avr32
1730     avr32_ap
1731     avr32_uc
1732     bfin
1733     ia64
1734     m68k
1735     mips
1736     mips64
1737     parisc
1738     ppc
1739     ppc64
1740     s390
1741     sh4
1742     sparc
1743     sparc64
1744     tilegx
1745     tilepro
1746     tomi
1747     x86
1748     x86_32
1749     x86_64
1750 "
1751
1752 ARCH_EXT_LIST_ARM="
1753     armv5te
1754     armv6
1755     armv6t2
1756     armv8
1757     neon
1758     vfp
1759     vfpv3
1760     setend
1761 "
1762
1763 ARCH_EXT_LIST_MIPS="
1764     mipsfpu
1765     mips32r2
1766     mips32r5
1767     mips64r2
1768     mips32r6
1769     mips64r6
1770     mipsdsp
1771     mipsdspr2
1772     msa
1773 "
1774
1775 ARCH_EXT_LIST_LOONGSON="
1776     loongson2
1777     loongson3
1778     mmi
1779 "
1780
1781 ARCH_EXT_LIST_X86_SIMD="
1782     aesni
1783     amd3dnow
1784     amd3dnowext
1785     avx
1786     avx2
1787     fma3
1788     fma4
1789     mmx
1790     mmxext
1791     sse
1792     sse2
1793     sse3
1794     sse4
1795     sse42
1796     ssse3
1797     xop
1798 "
1799
1800 ARCH_EXT_LIST_PPC="
1801     altivec
1802     dcbzl
1803     ldbrx
1804     power8
1805     ppc4xx
1806     vsx
1807 "
1808
1809 ARCH_EXT_LIST_X86="
1810     $ARCH_EXT_LIST_X86_SIMD
1811     cpunop
1812     i686
1813 "
1814
1815 ARCH_EXT_LIST="
1816     $ARCH_EXT_LIST_ARM
1817     $ARCH_EXT_LIST_PPC
1818     $ARCH_EXT_LIST_X86
1819     $ARCH_EXT_LIST_MIPS
1820     $ARCH_EXT_LIST_LOONGSON
1821 "
1822
1823 ARCH_FEATURES="
1824     aligned_stack
1825     fast_64bit
1826     fast_clz
1827     fast_cmov
1828     local_aligned_8
1829     local_aligned_16
1830     local_aligned_32
1831     simd_align_16
1832     simd_align_32
1833 "
1834
1835 BUILTIN_LIST="
1836     atomic_cas_ptr
1837     machine_rw_barrier
1838     MemoryBarrier
1839     mm_empty
1840     rdtsc
1841     sarestart
1842     sem_timedwait
1843     sync_val_compare_and_swap
1844 "
1845 HAVE_LIST_CMDLINE="
1846     inline_asm
1847     symver
1848     x86asm
1849 "
1850
1851 HAVE_LIST_PUB="
1852     bigendian
1853     fast_unaligned
1854 "
1855
1856 HEADERS_LIST="
1857     alsa_asoundlib_h
1858     altivec_h
1859     arpa_inet_h
1860     asm_types_h
1861     cdio_paranoia_h
1862     cdio_paranoia_paranoia_h
1863     cuda_h
1864     d3d11_h
1865     dispatch_dispatch_h
1866     dev_bktr_ioctl_bt848_h
1867     dev_bktr_ioctl_meteor_h
1868     dev_ic_bt8xx_h
1869     dev_video_bktr_ioctl_bt848_h
1870     dev_video_meteor_ioctl_meteor_h
1871     direct_h
1872     dirent_h
1873     dlfcn_h
1874     dxgidebug_h
1875     dxva_h
1876     ES2_gl_h
1877     gsm_h
1878     io_h
1879     mach_mach_time_h
1880     machine_ioctl_bt848_h
1881     machine_ioctl_meteor_h
1882     malloc_h
1883     opencv2_core_core_c_h
1884     openjpeg_2_2_openjpeg_h
1885     openjpeg_2_1_openjpeg_h
1886     openjpeg_2_0_openjpeg_h
1887     openjpeg_1_5_openjpeg_h
1888     OpenGL_gl3_h
1889     poll_h
1890     sndio_h
1891     soundcard_h
1892     stdatomic_h
1893     sys_mman_h
1894     sys_param_h
1895     sys_resource_h
1896     sys_select_h
1897     sys_soundcard_h
1898     sys_time_h
1899     sys_un_h
1900     sys_videoio_h
1901     termios_h
1902     udplite_h
1903     unistd_h
1904     valgrind_valgrind_h
1905     windows_h
1906     winsock2_h
1907 "
1908
1909 INTRINSICS_LIST="
1910     intrinsics_neon
1911 "
1912
1913 COMPLEX_FUNCS="
1914     cabs
1915     cexp
1916 "
1917
1918 MATH_FUNCS="
1919     atanf
1920     atan2f
1921     cbrt
1922     cbrtf
1923     copysign
1924     cosf
1925     erf
1926     exp2
1927     exp2f
1928     expf
1929     hypot
1930     isfinite
1931     isinf
1932     isnan
1933     ldexpf
1934     llrint
1935     llrintf
1936     log2
1937     log2f
1938     log10f
1939     lrint
1940     lrintf
1941     powf
1942     rint
1943     round
1944     roundf
1945     sinf
1946     trunc
1947     truncf
1948 "
1949
1950 SYSTEM_FUNCS="
1951     access
1952     aligned_malloc
1953     arc4random
1954     clock_gettime
1955     closesocket
1956     CommandLineToArgvW
1957     CoTaskMemFree
1958     CryptGenRandom
1959     dlopen
1960     fcntl
1961     flt_lim
1962     fork
1963     getaddrinfo
1964     gethrtime
1965     getopt
1966     GetProcessAffinityMask
1967     GetProcessMemoryInfo
1968     GetProcessTimes
1969     getrusage
1970     GetSystemTimeAsFileTime
1971     gettimeofday
1972     glob
1973     glXGetProcAddress
1974     gmtime_r
1975     inet_aton
1976     isatty
1977     jack_port_get_latency_range
1978     kbhit
1979     LoadLibrary
1980     localtime_r
1981     lstat
1982     lzo1x_999_compress
1983     mach_absolute_time
1984     MapViewOfFile
1985     memalign
1986     mkstemp
1987     mmap
1988     mprotect
1989     nanosleep
1990     PeekNamedPipe
1991     posix_memalign
1992     pthread_cancel
1993     sched_getaffinity
1994     SetConsoleTextAttribute
1995     SetConsoleCtrlHandler
1996     setmode
1997     setrlimit
1998     Sleep
1999     strerror_r
2000     sysconf
2001     sysctl
2002     usleep
2003     UTGetOSTypeFromString
2004     VirtualAlloc
2005     wglGetProcAddress
2006 "
2007
2008 TOOLCHAIN_FEATURES="
2009     as_dn_directive
2010     as_fpu_directive
2011     as_func
2012     as_object_arch
2013     asm_mod_q
2014     attribute_may_alias
2015     attribute_packed
2016     blocks_extension
2017     ebp_available
2018     ebx_available
2019     gnu_as
2020     gnu_windres
2021     ibm_asm
2022     inline_asm_direct_symbol_refs
2023     inline_asm_labels
2024     inline_asm_nonlocal_labels
2025     pragma_deprecated
2026     rsync_contimeout
2027     symver_asm_label
2028     symver_gnu_asm
2029     vfp_args
2030     xform_asm
2031     xmm_clobbers
2032 "
2033
2034 TYPES_LIST="
2035     CONDITION_VARIABLE_Ptr
2036     socklen_t
2037     struct_addrinfo
2038     struct_group_source_req
2039     struct_ip_mreq_source
2040     struct_ipv6_mreq
2041     struct_msghdr_msg_flags
2042     struct_pollfd
2043     struct_rusage_ru_maxrss
2044     struct_sctp_event_subscribe
2045     struct_sockaddr_in6
2046     struct_sockaddr_sa_len
2047     struct_sockaddr_storage
2048     struct_stat_st_mtim_tv_nsec
2049     struct_v4l2_frmivalenum_discrete
2050 "
2051
2052 HAVE_LIST="
2053     $ARCH_EXT_LIST
2054     $(add_suffix _external $ARCH_EXT_LIST)
2055     $(add_suffix _inline   $ARCH_EXT_LIST)
2056     $ARCH_FEATURES
2057     $ATOMICS_LIST
2058     $BUILTIN_LIST
2059     $COMPLEX_FUNCS
2060     $HAVE_LIST_CMDLINE
2061     $HAVE_LIST_PUB
2062     $HEADERS_LIST
2063     $INTRINSICS_LIST
2064     $MATH_FUNCS
2065     $SYSTEM_FUNCS
2066     $THREADS_LIST
2067     $TOOLCHAIN_FEATURES
2068     $TYPES_LIST
2069     atomics_native
2070     dos_paths
2071     libc_msvcrt
2072     makeinfo
2073     makeinfo_html
2074     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2075     perl
2076     pod2man
2077     section_data_rel_ro
2078     texi2html
2079     threads
2080     uwp
2081     vaapi_drm
2082     vaapi_x11
2083     vdpau_x11
2084     winrt
2085 "
2086
2087 # options emitted with CONFIG_ prefix but not available on the command line
2088 CONFIG_EXTRA="
2089     aandcttables
2090     ac3dsp
2091     audio_frame_queue
2092     audiodsp
2093     blockdsp
2094     bswapdsp
2095     cabac
2096     dirac_parse
2097     dvprofile
2098     exif
2099     faandct
2100     faanidct
2101     fdctdsp
2102     flacdsp
2103     fmtconvert
2104     frame_thread_encoder
2105     g722dsp
2106     golomb
2107     gplv3
2108     h263dsp
2109     h264chroma
2110     h264dsp
2111     h264parse
2112     h264pred
2113     h264qpel
2114     hevcparse
2115     hpeldsp
2116     huffman
2117     huffyuvdsp
2118     huffyuvencdsp
2119     idctdsp
2120     iirfilter
2121     mdct15
2122     intrax8
2123     iso_media
2124     ividsp
2125     jpegtables
2126     lgplv3
2127     libx262
2128     llauddsp
2129     llviddsp
2130     llvidencdsp
2131     lpc
2132     lzf
2133     me_cmp
2134     mpeg_er
2135     mpegaudio
2136     mpegaudiodsp
2137     mpegaudioheader
2138     mpegvideo
2139     mpegvideoenc
2140     mss34dsp
2141     pixblockdsp
2142     qpeldsp
2143     qsv
2144     qsvdec
2145     qsvenc
2146     rangecoder
2147     riffdec
2148     riffenc
2149     rtpdec
2150     rtpenc_chain
2151     rv34dsp
2152     sinewin
2153     snappy
2154     srtp
2155     startcode
2156     texturedsp
2157     texturedspenc
2158     tpeldsp
2159     vaapi_encode
2160     vc1dsp
2161     videodsp
2162     vp3dsp
2163     vp56dsp
2164     vp8dsp
2165     vt_bt2020
2166     wma_freqs
2167     wmv2dsp
2168 "
2169
2170 CMDLINE_SELECT="
2171     $ARCH_EXT_LIST
2172     $CONFIG_LIST
2173     $HAVE_LIST_CMDLINE
2174     $THREADS_LIST
2175     asm
2176     cross_compile
2177     debug
2178     extra_warnings
2179     logging
2180     lto
2181     optimizations
2182     rpath
2183     stripping
2184 "
2185
2186 PATHS_LIST="
2187     bindir
2188     datadir
2189     docdir
2190     incdir
2191     libdir
2192     mandir
2193     pkgconfigdir
2194     prefix
2195     shlibdir
2196     install_name_dir
2197 "
2198
2199 CMDLINE_SET="
2200     $PATHS_LIST
2201     ar
2202     arch
2203     as
2204     assert_level
2205     build_suffix
2206     cc
2207     objcc
2208     cpu
2209     cross_prefix
2210     custom_allocator
2211     cxx
2212     dep_cc
2213     doxygen
2214     env
2215     extra_version
2216     gas
2217     host_cc
2218     host_cflags
2219     host_extralibs
2220     host_ld
2221     host_ldflags
2222     host_os
2223     ignore_tests
2224     install
2225     ld
2226     ln_s
2227     logfile
2228     malloc_prefix
2229     nm
2230     optflags
2231     nvccflags
2232     pkg_config
2233     pkg_config_flags
2234     progs_suffix
2235     random_seed
2236     ranlib
2237     samples
2238     strip
2239     sws_max_filter_size
2240     sysinclude
2241     sysroot
2242     target_exec
2243     target_os
2244     target_path
2245     target_samples
2246     tempprefix
2247     toolchain
2248     valgrind
2249     x86asmexe
2250 "
2251
2252 CMDLINE_APPEND="
2253     extra_cflags
2254     extra_cxxflags
2255     extra_objcflags
2256     host_cppflags
2257 "
2258
2259 # code dependency declarations
2260
2261 # architecture extensions
2262
2263 armv5te_deps="arm"
2264 armv6_deps="arm"
2265 armv6t2_deps="arm"
2266 armv8_deps="aarch64"
2267 neon_deps_any="aarch64 arm"
2268 intrinsics_neon_deps="neon"
2269 vfp_deps_any="aarch64 arm"
2270 vfpv3_deps="vfp"
2271 setend_deps="arm"
2272
2273 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2274
2275 loongson2_deps="mips"
2276 loongson3_deps="mips"
2277 mipsfpu_deps="mips"
2278 mipsdsp_deps="mips"
2279 mipsdspr2_deps="mips"
2280 mips32r2_deps="mips"
2281 mips32r5_deps="mips"
2282 mips32r6_deps="mips"
2283 mips64r2_deps="mips"
2284 mips64r6_deps="mips"
2285 msa_deps="mipsfpu"
2286 mmi_deps="mips"
2287
2288 altivec_deps="ppc"
2289 dcbzl_deps="ppc"
2290 ldbrx_deps="ppc"
2291 ppc4xx_deps="ppc"
2292 vsx_deps="altivec"
2293 power8_deps="vsx"
2294
2295 cpunop_deps="i686"
2296 x86_64_select="i686"
2297 x86_64_suggest="fast_cmov"
2298
2299 amd3dnow_deps="mmx"
2300 amd3dnowext_deps="amd3dnow"
2301 i686_deps="x86"
2302 mmx_deps="x86"
2303 mmxext_deps="mmx"
2304 sse_deps="mmxext"
2305 sse2_deps="sse"
2306 sse3_deps="sse2"
2307 ssse3_deps="sse3"
2308 sse4_deps="ssse3"
2309 sse42_deps="sse4"
2310 aesni_deps="sse42"
2311 avx_deps="sse42"
2312 xop_deps="avx"
2313 fma3_deps="avx"
2314 fma4_deps="avx"
2315 avx2_deps="avx"
2316
2317 mmx_external_deps="x86asm"
2318 mmx_inline_deps="inline_asm"
2319 mmx_suggest="mmx_external mmx_inline"
2320
2321 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2322     eval dep=\$${ext}_deps
2323     eval ${ext}_external_deps='"${dep}_external"'
2324     eval ${ext}_inline_deps='"${dep}_inline"'
2325     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2326 done
2327
2328 aligned_stack_if_any="aarch64 ppc x86"
2329 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2330 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2331 fast_unaligned_if_any="aarch64 ppc x86"
2332 simd_align_16_if_any="altivec neon sse"
2333 simd_align_32_if_any="avx"
2334
2335 # system capabilities
2336 symver_if_any="symver_asm_label symver_gnu_asm"
2337 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2338
2339 # threading support
2340 atomics_gcc_if="sync_val_compare_and_swap"
2341 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2342 atomics_win32_if="MemoryBarrier"
2343 atomics_native_if_any="$ATOMICS_LIST"
2344 w32threads_deps="atomics_native"
2345 threads_if_any="$THREADS_LIST"
2346
2347 # subsystems
2348 dct_select="rdft"
2349 dirac_parse_select="golomb"
2350 error_resilience_select="me_cmp"
2351 faandct_deps="faan fdctdsp"
2352 faanidct_deps="faan idctdsp"
2353 h264dsp_select="startcode"
2354 hevcparse_select="golomb"
2355 frame_thread_encoder_deps="encoders threads"
2356 intrax8_select="blockdsp idctdsp"
2357 mdct_select="fft"
2358 mdct15_select="fft"
2359 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2360 mpeg_er_select="error_resilience"
2361 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2362 mpegaudiodsp_select="dct"
2363 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2364 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2365 vc1dsp_select="h264chroma qpeldsp startcode"
2366 rdft_select="fft"
2367
2368 # decoders / encoders
2369 aac_decoder_select="mdct15 mdct sinewin"
2370 aac_fixed_decoder_select="mdct sinewin"
2371 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2372 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2373 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2374 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2375 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2376 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2377 adpcm_g722_decoder_select="g722dsp"
2378 adpcm_g722_encoder_select="g722dsp"
2379 aic_decoder_select="golomb idctdsp"
2380 alac_encoder_select="lpc"
2381 als_decoder_select="bswapdsp"
2382 amrnb_decoder_select="lsp"
2383 amrwb_decoder_select="lsp"
2384 amv_decoder_select="sp5x_decoder exif"
2385 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2386 ape_decoder_select="bswapdsp llauddsp"
2387 apng_decoder_select="zlib"
2388 apng_encoder_select="llvidencdsp zlib"
2389 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2390 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2391 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2392 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2393 atrac1_decoder_select="mdct sinewin"
2394 atrac3_decoder_select="mdct"
2395 atrac3p_decoder_select="mdct sinewin"
2396 avrn_decoder_select="exif jpegtables"
2397 bink_decoder_select="blockdsp hpeldsp"
2398 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2399 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2400 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2401 clearvideo_decoder_select="idctdsp"
2402 cllc_decoder_select="bswapdsp"
2403 comfortnoise_encoder_select="lpc"
2404 cook_decoder_select="audiodsp mdct sinewin"
2405 cscd_decoder_select="lzo"
2406 cscd_decoder_suggest="zlib"
2407 dca_decoder_select="mdct"
2408 dds_decoder_select="texturedsp"
2409 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2410 dnxhd_decoder_select="blockdsp idctdsp"
2411 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2412 dolby_e_decoder_select="mdct"
2413 dvvideo_decoder_select="dvprofile idctdsp"
2414 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2415 dxa_decoder_select="zlib"
2416 dxv_decoder_select="lzf texturedsp"
2417 eac3_decoder_select="ac3_decoder"
2418 eac3_encoder_select="ac3_encoder"
2419 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2420 eatgq_decoder_select="aandcttables"
2421 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2422 exr_decoder_select="zlib"
2423 ffv1_decoder_select="rangecoder"
2424 ffv1_encoder_select="rangecoder"
2425 ffvhuff_decoder_select="huffyuv_decoder"
2426 ffvhuff_encoder_select="huffyuv_encoder"
2427 fic_decoder_select="golomb"
2428 flac_decoder_select="flacdsp"
2429 flac_encoder_select="bswapdsp flacdsp lpc"
2430 flashsv2_decoder_select="zlib"
2431 flashsv2_encoder_select="zlib"
2432 flashsv_decoder_select="zlib"
2433 flashsv_encoder_select="zlib"
2434 flv_decoder_select="h263_decoder"
2435 flv_encoder_select="h263_encoder"
2436 fourxm_decoder_select="blockdsp bswapdsp"
2437 fraps_decoder_select="bswapdsp huffman"
2438 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2439 g729_decoder_select="audiodsp"
2440 h261_decoder_select="mpegvideo"
2441 h261_encoder_select="aandcttables mpegvideoenc"
2442 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2443 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2444 h263i_decoder_select="h263_decoder"
2445 h263p_decoder_select="h263_decoder"
2446 h263p_encoder_select="h263_encoder"
2447 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2448 h264_decoder_suggest="error_resilience"
2449 hap_decoder_select="snappy texturedsp"
2450 hap_encoder_deps="libsnappy"
2451 hap_encoder_select="texturedspenc"
2452 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2453 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2454 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2455 iac_decoder_select="imc_decoder"
2456 imc_decoder_select="bswapdsp fft mdct sinewin"
2457 indeo3_decoder_select="hpeldsp"
2458 indeo4_decoder_select="ividsp"
2459 indeo5_decoder_select="ividsp"
2460 interplay_video_decoder_select="hpeldsp"
2461 jpegls_decoder_select="mjpeg_decoder"
2462 jv_decoder_select="blockdsp"
2463 lagarith_decoder_select="llviddsp"
2464 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2465 magicyuv_decoder_select="llviddsp"
2466 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2467 metasound_decoder_select="lsp mdct sinewin"
2468 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2469 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2470 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2471 mjpegb_decoder_select="mjpeg_decoder"
2472 mlp_decoder_select="mlp_parser"
2473 mlp_encoder_select="lpc"
2474 motionpixels_decoder_select="bswapdsp"
2475 mp1_decoder_select="mpegaudio"
2476 mp1float_decoder_select="mpegaudio"
2477 mp2_decoder_select="mpegaudio"
2478 mp2float_decoder_select="mpegaudio"
2479 mp3_decoder_select="mpegaudio"
2480 mp3adu_decoder_select="mpegaudio"
2481 mp3adufloat_decoder_select="mpegaudio"
2482 mp3float_decoder_select="mpegaudio"
2483 mp3on4_decoder_select="mpegaudio"
2484 mp3on4float_decoder_select="mpegaudio"
2485 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2486 mpc8_decoder_select="mpegaudiodsp"
2487 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2488 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2489 mpegvideo_decoder_select="mpegvideo"
2490 mpeg1video_decoder_select="mpegvideo"
2491 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2492 mpeg2video_decoder_select="mpegvideo"
2493 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2494 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2495 mpeg4_encoder_select="h263_encoder"
2496 msa1_decoder_select="mss34dsp"
2497 mscc_decoder_select="zlib"
2498 msmpeg4v1_decoder_select="h263_decoder"
2499 msmpeg4v2_decoder_select="h263_decoder"
2500 msmpeg4v2_encoder_select="h263_encoder"
2501 msmpeg4v3_decoder_select="h263_decoder"
2502 msmpeg4v3_encoder_select="h263_encoder"
2503 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2504 mts2_decoder_select="mss34dsp"
2505 mxpeg_decoder_select="mjpeg_decoder"
2506 nellymoser_decoder_select="mdct sinewin"
2507 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2508 nuv_decoder_select="idctdsp lzo"
2509 on2avc_decoder_select="mdct"
2510 opus_decoder_deps="swresample"
2511 opus_decoder_select="mdct15"
2512 opus_encoder_select="audio_frame_queue mdct15"
2513 png_decoder_select="zlib"
2514 png_encoder_select="llvidencdsp zlib"
2515 prores_decoder_select="blockdsp idctdsp"
2516 prores_encoder_select="fdctdsp"
2517 qcelp_decoder_select="lsp"
2518 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2519 ra_144_decoder_select="audiodsp"
2520 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2521 ralf_decoder_select="golomb"
2522 rawvideo_decoder_select="bswapdsp"
2523 rscc_decoder_select="zlib"
2524 rtjpeg_decoder_select="me_cmp"
2525 rv10_decoder_select="h263_decoder"
2526 rv10_encoder_select="h263_encoder"
2527 rv20_decoder_select="h263_decoder"
2528 rv20_encoder_select="h263_encoder"
2529 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2530 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2531 screenpresso_decoder_select="zlib"
2532 shorten_decoder_select="bswapdsp"
2533 sipr_decoder_select="lsp"
2534 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2535 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2536 sonic_decoder_select="golomb rangecoder"
2537 sonic_encoder_select="golomb rangecoder"
2538 sonic_ls_encoder_select="golomb rangecoder"
2539 sp5x_decoder_select="mjpeg_decoder"
2540 srgc_decoder_select="zlib"
2541 svq1_decoder_select="hpeldsp"
2542 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2543 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2544 svq3_decoder_suggest="zlib"
2545 tak_decoder_select="audiodsp"
2546 tdsc_decoder_select="zlib mjpeg_decoder"
2547 theora_decoder_select="vp3_decoder"
2548 thp_decoder_select="mjpeg_decoder"
2549 tiff_decoder_suggest="zlib lzma"
2550 tiff_encoder_suggest="zlib"
2551 truehd_decoder_select="mlp_parser"
2552 truehd_encoder_select="lpc"
2553 truemotion2_decoder_select="bswapdsp"
2554 truespeech_decoder_select="bswapdsp"
2555 tscc_decoder_select="zlib"
2556 twinvq_decoder_select="mdct lsp sinewin"
2557 txd_decoder_select="texturedsp"
2558 utvideo_decoder_select="bswapdsp llviddsp"
2559 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2560 vble_decoder_select="llviddsp"
2561 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2562 vc1_qsv_decoder_deps="libmfx"
2563 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2564 vc1image_decoder_select="vc1_decoder"
2565 vorbis_decoder_select="mdct"
2566 vorbis_encoder_select="mdct"
2567 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2568 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2569 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2570 vp6a_decoder_select="vp6_decoder"
2571 vp6f_decoder_select="vp6_decoder"
2572 vp7_decoder_select="h264pred videodsp vp8dsp"
2573 vp8_decoder_select="h264pred videodsp vp8dsp"
2574 vp9_decoder_select="videodsp vp9_parser"
2575 webp_decoder_select="vp8_decoder exif"
2576 wmalossless_decoder_select="llauddsp"
2577 wmapro_decoder_select="mdct sinewin wma_freqs"
2578 wmav1_decoder_select="mdct sinewin wma_freqs"
2579 wmav1_encoder_select="mdct sinewin wma_freqs"
2580 wmav2_decoder_select="mdct sinewin wma_freqs"
2581 wmav2_encoder_select="mdct sinewin wma_freqs"
2582 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2583 wmv1_decoder_select="h263_decoder"
2584 wmv1_encoder_select="h263_encoder"
2585 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2586 wmv2_encoder_select="h263_encoder wmv2dsp"
2587 wmv3_decoder_select="vc1_decoder"
2588 wmv3image_decoder_select="wmv3_decoder"
2589 xma1_decoder_select="wmapro_decoder"
2590 xma2_decoder_select="wmapro_decoder"
2591 zerocodec_decoder_select="zlib"
2592 zlib_decoder_select="zlib"
2593 zlib_encoder_select="zlib"
2594 zmbv_decoder_select="zlib"
2595 zmbv_encoder_select="zlib"
2596
2597 # platform codecs
2598 audiotoolbox_deps="AudioToolbox_AudioToolbox_h"
2599 audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"
2600
2601 # hardware accelerators
2602 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2603 cuda_deps_any="dlopen LoadLibrary"
2604 cuvid_deps="cuda"
2605 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2606 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32"
2607 dxva2_extralibs="-luser32"
2608 vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h blocks_extension"
2609 vda_framework_extralibs="-framework VideoDecodeAcceleration"
2610 vda_deps="vda_framework pthreads"
2611 vda_extralibs="-framework CoreFoundation -framework QuartzCore"
2612 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2613 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2614 xvmc_deps="X11_extensions_XvMClib_h"
2615
2616 h263_vaapi_hwaccel_deps="vaapi"
2617 h263_vaapi_hwaccel_select="h263_decoder"
2618 h263_videotoolbox_hwaccel_deps="videotoolbox"
2619 h263_videotoolbox_hwaccel_select="h263_decoder"
2620 h264_cuvid_hwaccel_deps="cuda cuvid"
2621 h264_cuvid_hwaccel_select="h264_cuvid_decoder"
2622 h264_d3d11va_hwaccel_deps="d3d11va"
2623 h264_d3d11va_hwaccel_select="h264_decoder"
2624 h264_d3d11va2_hwaccel_deps="d3d11va"
2625 h264_d3d11va2_hwaccel_select="h264_decoder"
2626 h264_dxva2_hwaccel_deps="dxva2"
2627 h264_dxva2_hwaccel_select="h264_decoder"
2628 h264_mediacodec_hwaccel_deps="mediacodec"
2629 h264_mmal_hwaccel_deps="mmal"
2630 h264_qsv_hwaccel_deps="libmfx"
2631 h264_vaapi_hwaccel_deps="vaapi"
2632 h264_vaapi_hwaccel_select="h264_decoder"
2633 h264_vda_hwaccel_deps="vda"
2634 h264_vda_hwaccel_select="h264_decoder"
2635 h264_vda_old_hwaccel_deps="vda"
2636 h264_vda_old_hwaccel_select="h264_decoder"
2637 h264_vdpau_hwaccel_deps="vdpau"
2638 h264_vdpau_hwaccel_select="h264_decoder"
2639 h264_videotoolbox_hwaccel_deps="videotoolbox"
2640 h264_videotoolbox_hwaccel_select="h264_decoder"
2641 hevc_cuvid_hwaccel_deps="cuda cuvid"
2642 hevc_cuvid_hwaccel_select="hevc_cuvid_decoder"
2643 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2644 hevc_d3d11va_hwaccel_select="hevc_decoder"
2645 hevc_mediacodec_hwaccel_deps="mediacodec"
2646 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2647 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2648 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2649 hevc_dxva2_hwaccel_select="hevc_decoder"
2650 hevc_qsv_hwaccel_deps="libmfx"
2651 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2652 hevc_vaapi_hwaccel_select="hevc_decoder"
2653 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2654 hevc_vdpau_hwaccel_select="hevc_decoder"
2655 mjpeg_cuvid_hwaccel_deps="cuda cuvid"
2656 mjpeg_cuvid_hwaccel_select="mjpeg_cuvid_decoder"
2657 mpeg_xvmc_hwaccel_deps="xvmc"
2658 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2659 mpeg1_cuvid_hwaccel_deps="cuda cuvid"
2660 mpeg1_cuvid_hwaccel_select="mpeg1_cuvid_decoder"
2661 mpeg1_vdpau_hwaccel_deps="vdpau"
2662 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2663 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2664 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2665 mpeg1_xvmc_hwaccel_deps="xvmc"
2666 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2667 mpeg2_cuvid_hwaccel_deps="cuda cuvid"
2668 mpeg2_cuvid_hwaccel_select="mpeg2_cuvid_decoder"
2669 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2670 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2671 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2672 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2673 mpeg2_dxva2_hwaccel_deps="dxva2"
2674 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2675 mpeg2_mediacodec_hwaccel_deps="mediacodec"
2676 mpeg2_mmal_hwaccel_deps="mmal"
2677 mpeg2_qsv_hwaccel_deps="libmfx"
2678 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2679 mpeg2_vaapi_hwaccel_deps="vaapi"
2680 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2681 mpeg2_vdpau_hwaccel_deps="vdpau"
2682 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2683 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2684 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2685 mpeg2_xvmc_hwaccel_deps="xvmc"
2686 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2687 mpeg4_cuvid_hwaccel_deps="cuda cuvid"
2688 mpeg4_cuvid_hwaccel_select="mpeg4_cuvid_decoder"
2689 mpeg4_mediacodec_hwaccel_deps="mediacodec"
2690 mpeg4_mmal_hwaccel_deps="mmal"
2691 mpeg4_vaapi_hwaccel_deps="vaapi"
2692 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2693 mpeg4_vdpau_hwaccel_deps="vdpau"
2694 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2695 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2696 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2697 vc1_cuvid_hwaccel_deps="cuda cuvid"
2698 vc1_cuvid_hwaccel_select="vc1_cuvid_decoder"
2699 vc1_d3d11va_hwaccel_deps="d3d11va"
2700 vc1_d3d11va_hwaccel_select="vc1_decoder"
2701 vc1_d3d11va2_hwaccel_deps="d3d11va"
2702 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2703 vc1_dxva2_hwaccel_deps="dxva2"
2704 vc1_dxva2_hwaccel_select="vc1_decoder"
2705 vc1_mmal_hwaccel_deps="mmal"
2706 vc1_qsv_hwaccel_deps="libmfx"
2707 vc1_qsv_hwaccel_select="qsvdec_vc1"
2708 vc1_vaapi_hwaccel_deps="vaapi"
2709 vc1_vaapi_hwaccel_select="vc1_decoder"
2710 vc1_vdpau_hwaccel_deps="vdpau"
2711 vc1_vdpau_hwaccel_select="vc1_decoder"
2712 vp8_cuvid_hwaccel_deps="cuda cuvid"
2713 vp8_cuvid_hwaccel_select="vp8_cuvid_decoder"
2714 vp9_cuvid_hwaccel_deps="cuda cuvid"
2715 vp9_cuvid_hwaccel_select="vp9_cuvid_decoder"
2716 vp8_mediacodec_hwaccel_deps="mediacodec"
2717 vp8_qsv_hwaccel_deps="libmfx"
2718 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2719 vp9_d3d11va_hwaccel_select="vp9_decoder"
2720 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2721 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2722 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2723 vp9_dxva2_hwaccel_select="vp9_decoder"
2724 vp9_mediacodec_hwaccel_deps="mediacodec"
2725 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2726 vp9_vaapi_hwaccel_select="vp9_decoder"
2727 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2728 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2729 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2730 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2731 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2732
2733 # hardware-accelerated codecs
2734 omx_deps="dlopen pthreads"
2735 omx_extralibs='$ldl'
2736 omx_rpi_select="omx"
2737 qsvdec_select="qsv"
2738 qsvenc_select="qsv"
2739 vaapi_encode_deps="vaapi"
2740
2741 hwupload_cuda_filter_deps="cuda"
2742 scale_npp_filter_deps="cuda libnpp"
2743 scale_cuda_filter_deps="cuda_sdk"
2744
2745 nvenc_deps="cuda"
2746 nvenc_deps_any="dlopen LoadLibrary"
2747 nvenc_encoder_deps="nvenc"
2748
2749 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2750 h264_cuvid_decoder_deps="cuda cuvid"
2751 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2752 h264_mediacodec_decoder_deps="mediacodec"
2753 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2754 h264_mmal_decoder_deps="mmal"
2755 h264_nvenc_encoder_deps="nvenc"
2756 h264_omx_encoder_deps="omx"
2757 h264_qsv_decoder_deps="libmfx"
2758 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2759 h264_qsv_encoder_deps="libmfx"
2760 h264_qsv_encoder_select="qsvenc"
2761 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2762 h264_vaapi_encoder_select="vaapi_encode golomb"
2763 h264_vda_decoder_deps="vda"
2764 h264_vda_decoder_select="h264_decoder"
2765 h264_vdpau_decoder_deps="vdpau"
2766 h264_vdpau_decoder_select="h264_decoder"
2767 hevc_cuvid_decoder_deps="cuda cuvid"
2768 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2769 hevc_mediacodec_decoder_deps="mediacodec"
2770 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2771 hevc_nvenc_encoder_deps="nvenc"
2772 hevc_qsv_decoder_deps="libmfx"
2773 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2774 hevc_qsv_encoder_deps="libmfx"
2775 hevc_qsv_encoder_select="hevcparse qsvenc"
2776 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2777 hevc_vaapi_encoder_select="vaapi_encode golomb"
2778 mjpeg_cuvid_decoder_deps="cuda cuvid"
2779 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2780 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2781 mpeg1_cuvid_decoder_deps="cuda cuvid"
2782 mpeg1_vdpau_decoder_deps="vdpau"
2783 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2784 mpeg2_crystalhd_decoder_select="crystalhd"
2785 mpeg2_cuvid_decoder_deps="cuda cuvid"
2786 mpeg2_mmal_decoder_deps="mmal"
2787 mpeg2_mediacodec_decoder_deps="mediacodec"
2788 mpeg2_qsv_decoder_deps="libmfx"
2789 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2790 mpeg2_qsv_encoder_deps="libmfx"
2791 mpeg2_qsv_encoder_select="qsvenc"
2792 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2793 mpeg2_vaapi_encoder_select="vaapi_encode"
2794 mpeg4_crystalhd_decoder_select="crystalhd"
2795 mpeg4_cuvid_decoder_deps="cuda cuvid"
2796 mpeg4_mediacodec_decoder_deps="mediacodec"
2797 mpeg4_mmal_decoder_deps="mmal"
2798 mpeg4_omx_encoder_deps="omx"
2799 mpeg4_vdpau_decoder_deps="vdpau"
2800 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2801 mpeg_vdpau_decoder_deps="vdpau"
2802 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2803 msmpeg4_crystalhd_decoder_select="crystalhd"
2804 nvenc_h264_encoder_select="h264_nvenc_encoder"
2805 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2806 vc1_crystalhd_decoder_select="crystalhd"
2807 vc1_cuvid_decoder_deps="cuda cuvid"
2808 vc1_mmal_decoder_deps="mmal"
2809 vc1_vdpau_decoder_deps="vdpau"
2810 vc1_vdpau_decoder_select="vc1_decoder"
2811 vp8_cuvid_decoder_deps="cuda cuvid"
2812 vp8_mediacodec_decoder_deps="mediacodec"
2813 vp8_qsv_decoder_deps="libmfx"
2814 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2815 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2816 vp8_vaapi_encoder_select="vaapi_encode"
2817 vp9_cuvid_decoder_deps="cuda cuvid"
2818 vp9_mediacodec_decoder_deps="mediacodec"
2819 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2820 vp9_vaapi_encoder_select="vaapi_encode"
2821 wmv3_crystalhd_decoder_select="crystalhd"
2822 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2823
2824 # parsers
2825 h264_parser_select="golomb h264dsp h264parse"
2826 hevc_parser_select="hevcparse"
2827 mpegaudio_parser_select="mpegaudioheader"
2828 mpegvideo_parser_select="mpegvideo"
2829 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2830 vc1_parser_select="vc1dsp"
2831
2832 # bitstream_filters
2833 mjpeg2jpeg_bsf_select="jpegtables"
2834
2835 # external libraries
2836 aac_at_decoder_deps="audiotoolbox"
2837 ac3_at_decoder_deps="audiotoolbox"
2838 ac3_at_decoder_select="ac3_parser"
2839 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2840 alac_at_decoder_deps="audiotoolbox"
2841 amr_nb_at_decoder_deps="audiotoolbox"
2842 avisynth_deps_any="dlopen LoadLibrary"
2843 avisynth_demuxer_deps="avisynth"
2844 avisynth_demuxer_select="riffdec"
2845 eac3_at_decoder_deps="audiotoolbox"
2846 eac3_at_decoder_select="ac3_parser"
2847 gsm_ms_at_decoder_deps="audiotoolbox"
2848 ilbc_at_decoder_deps="audiotoolbox"
2849 mp1_at_decoder_deps="audiotoolbox"
2850 mp2_at_decoder_deps="audiotoolbox"
2851 mp3_at_decoder_deps="audiotoolbox"
2852 mp1_at_decoder_select="mpegaudioheader"
2853 mp2_at_decoder_select="mpegaudioheader"
2854 mp3_at_decoder_select="mpegaudioheader"
2855 pcm_alaw_at_decoder_deps="audiotoolbox"
2856 pcm_mulaw_at_decoder_deps="audiotoolbox"
2857 qdmc_at_decoder_deps="audiotoolbox"
2858 qdm2_at_decoder_deps="audiotoolbox"
2859 aac_at_encoder_deps="audiotoolbox"
2860 aac_at_encoder_select="audio_frame_queue"
2861 alac_at_encoder_deps="audiotoolbox"
2862 alac_at_encoder_select="audio_frame_queue"
2863 ilbc_at_encoder_deps="audiotoolbox"
2864 ilbc_at_encoder_select="audio_frame_queue"
2865 pcm_alaw_at_encoder_deps="audiotoolbox"
2866 pcm_alaw_at_encoder_select="audio_frame_queue"
2867 pcm_mulaw_at_encoder_deps="audiotoolbox"
2868 pcm_mulaw_at_encoder_select="audio_frame_queue"
2869 chromaprint_muxer_deps="chromaprint"
2870 h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
2871 libcelt_decoder_deps="libcelt"
2872 libfdk_aac_decoder_deps="libfdk_aac"
2873 libfdk_aac_encoder_deps="libfdk_aac"
2874 libfdk_aac_encoder_select="audio_frame_queue"
2875 libgme_demuxer_deps="libgme"
2876 libgsm_decoder_deps="libgsm"
2877 libgsm_encoder_deps="libgsm"
2878 libgsm_ms_decoder_deps="libgsm"
2879 libgsm_ms_encoder_deps="libgsm"
2880 libilbc_decoder_deps="libilbc"
2881 libilbc_encoder_deps="libilbc"
2882 libkvazaar_encoder_deps="libkvazaar"
2883 libmodplug_demuxer_deps="libmodplug"
2884 libmp3lame_encoder_deps="libmp3lame"
2885 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2886 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2887 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2888 libopencore_amrnb_encoder_select="audio_frame_queue"
2889 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2890 libopenh264_decoder_deps="libopenh264"
2891 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2892 libopenh264_encoder_deps="libopenh264"
2893 libopenjpeg_decoder_deps="libopenjpeg"
2894 libopenjpeg_encoder_deps="libopenjpeg"
2895 libopenmpt_demuxer_deps="libopenmpt"
2896 libopus_decoder_deps="libopus"
2897 libopus_encoder_deps="libopus"
2898 libopus_encoder_select="audio_frame_queue"
2899 librsvg_decoder_deps="librsvg"
2900 libshine_encoder_deps="libshine"
2901 libshine_encoder_select="audio_frame_queue"
2902 libspeex_decoder_deps="libspeex"
2903 libspeex_encoder_deps="libspeex"
2904 libspeex_encoder_select="audio_frame_queue"
2905 libtheora_encoder_deps="libtheora"
2906 libtwolame_encoder_deps="libtwolame"
2907 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2908 libvorbis_decoder_deps="libvorbis"
2909 libvorbis_encoder_deps="libvorbis"
2910 libvorbis_encoder_select="audio_frame_queue"
2911 libvpx_vp8_decoder_deps="libvpx"
2912 libvpx_vp8_encoder_deps="libvpx"
2913 libvpx_vp9_decoder_deps="libvpx"
2914 libvpx_vp9_encoder_deps="libvpx"
2915 libwavpack_encoder_deps="libwavpack"
2916 libwavpack_encoder_select="audio_frame_queue"
2917 libwebp_encoder_deps="libwebp"
2918 libwebp_anim_encoder_deps="libwebp"
2919 libx262_encoder_deps="libx262"
2920 libx264_encoder_deps="libx264"
2921 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2922 libx264rgb_encoder_select="libx264_encoder"
2923 libx265_encoder_deps="libx265"
2924 libxavs_encoder_deps="libxavs"
2925 libxvid_encoder_deps="libxvid"
2926 libzvbi_teletext_decoder_deps="libzvbi"
2927 videotoolbox_deps="VideoToolbox_VideoToolbox_h"
2928 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"
2929 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2930 videotoolbox_encoder_suggest="vda_framework vt_bt2020"
2931 vt_bt2020_deps="kCVImageBufferColorPrimaries_ITU_R_2020"
2932
2933 # demuxers / muxers
2934 ac3_demuxer_select="ac3_parser"
2935 aiff_muxer_select="iso_media"
2936 asf_demuxer_select="riffdec"
2937 asf_o_demuxer_select="riffdec"
2938 asf_muxer_select="riffenc"
2939 asf_stream_muxer_select="asf_muxer"
2940 avi_demuxer_select="iso_media riffdec exif"
2941 avi_muxer_select="riffenc"
2942 caf_demuxer_select="iso_media riffdec"
2943 caf_muxer_select="iso_media"
2944 dash_muxer_select="mp4_muxer"
2945 dirac_demuxer_select="dirac_parser"
2946 dts_demuxer_select="dca_parser"
2947 dtshd_demuxer_select="dca_parser"
2948 dv_demuxer_select="dvprofile"
2949 dv_muxer_select="dvprofile"
2950 dxa_demuxer_select="riffdec"
2951 eac3_demuxer_select="ac3_parser"
2952 f4v_muxer_select="mov_muxer"
2953 fifo_muxer_deps="threads"
2954 flac_demuxer_select="flac_parser"
2955 hds_muxer_select="flv_muxer"
2956 hls_muxer_select="mpegts_muxer"
2957 image2_alias_pix_demuxer_select="image2_demuxer"
2958 image2_brender_pix_demuxer_select="image2_demuxer"
2959 ipod_muxer_select="mov_muxer"
2960 ismv_muxer_select="mov_muxer"
2961 matroska_audio_muxer_select="matroska_muxer"
2962 matroska_demuxer_select="iso_media riffdec"
2963 matroska_demuxer_suggest="bzlib lzo zlib"
2964 matroska_muxer_select="iso_media riffenc"
2965 mmf_muxer_select="riffenc"
2966 mov_demuxer_select="iso_media riffdec"
2967 mov_demuxer_suggest="zlib"
2968 mov_muxer_select="iso_media riffenc rtpenc_chain"
2969 mp3_demuxer_select="mpegaudio_parser"
2970 mp3_muxer_select="mpegaudioheader"
2971 mp4_muxer_select="mov_muxer"
2972 mpegts_demuxer_select="iso_media"
2973 mpegts_muxer_select="adts_muxer latm_muxer"
2974 mpegtsraw_demuxer_select="mpegts_demuxer"
2975 mxf_d10_muxer_select="mxf_muxer"
2976 mxf_opatom_muxer_select="mxf_muxer"
2977 nut_muxer_select="riffenc"
2978 nuv_demuxer_select="riffdec"
2979 oga_muxer_select="ogg_muxer"
2980 ogg_demuxer_select="dirac_parse"
2981 ogv_muxer_select="ogg_muxer"
2982 opus_muxer_select="ogg_muxer"
2983 psp_muxer_select="mov_muxer"
2984 rtp_demuxer_select="sdp_demuxer"
2985 rtp_muxer_select="golomb"
2986 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2987 rtsp_demuxer_select="http_protocol rtpdec"
2988 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2989 sap_demuxer_select="sdp_demuxer"
2990 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2991 sdp_demuxer_select="rtpdec"
2992 smoothstreaming_muxer_select="ismv_muxer"
2993 spdif_muxer_select="aac_parser"
2994 spx_muxer_select="ogg_muxer"
2995 swf_demuxer_suggest="zlib"
2996 tak_demuxer_select="tak_parser"
2997 tg2_muxer_select="mov_muxer"
2998 tgp_muxer_select="mov_muxer"
2999 vobsub_demuxer_select="mpegps_demuxer"
3000 w64_demuxer_select="wav_demuxer"
3001 w64_muxer_select="wav_muxer"
3002 wav_demuxer_select="riffdec"
3003 wav_muxer_select="riffenc"
3004 webm_muxer_select="iso_media riffenc"
3005 webm_dash_manifest_demuxer_select="matroska_demuxer"
3006 wtv_demuxer_select="mpegts_demuxer riffdec"
3007 wtv_muxer_select="mpegts_muxer riffenc"
3008 xmv_demuxer_select="riffdec"
3009 xwma_demuxer_select="riffdec"
3010
3011 # indevs / outdevs
3012 alsa_indev_deps="alsa"
3013 alsa_outdev_deps="alsa"
3014 avfoundation_indev_deps="pthreads"
3015 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
3016 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3017 caca_outdev_deps="libcaca"
3018 decklink_indev_deps="decklink threads"
3019 decklink_indev_extralibs="-lstdc++"
3020 decklink_outdev_deps="decklink threads"
3021 decklink_outdev_extralibs="-lstdc++"
3022 libndi_newtek_indev_deps="libndi_newtek"
3023 libndi_newtek_indev_extralibs="-lndi"
3024 libndi_newtek_outdev_deps="libndi_newtek"
3025 libndi_newtek_outdev_extralibs="-lndi"
3026 dshow_indev_deps="IBaseFilter"
3027 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3028 dv1394_indev_deps="dv1394"
3029 dv1394_indev_select="dv_demuxer"
3030 fbdev_indev_deps="linux_fb_h"
3031 fbdev_outdev_deps="linux_fb_h"
3032 gdigrab_indev_deps="CreateDIBSection"
3033 gdigrab_indev_extralibs="-lgdi32"
3034 gdigrab_indev_select="bmp_decoder"
3035 iec61883_indev_deps="libiec61883"
3036 jack_indev_deps="jack"
3037 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3038 lavfi_indev_deps="avfilter"
3039 libcdio_indev_deps="libcdio"
3040 libdc1394_indev_deps="libdc1394"
3041 libv4l2_indev_deps="libv4l2"
3042 openal_indev_deps="openal"
3043 opengl_outdev_deps="opengl"
3044 oss_indev_deps_any="soundcard_h sys_soundcard_h"
3045 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
3046 pulse_indev_deps="libpulse"
3047 pulse_outdev_deps="libpulse"
3048 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
3049 qtkit_indev_select="qtkit"
3050 sdl2_outdev_deps="sdl2"
3051 sndio_indev_deps="sndio"
3052 sndio_outdev_deps="sndio"
3053 v4l_indev_deps="linux_videodev_h"
3054 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3055 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3056 vfwcap_indev_deps="vfw32 vfwcap_defines"
3057 xcbgrab_indev_deps="libxcb"
3058 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3059 xv_outdev_extralibs="-lXv -lX11 -lXext"
3060
3061 # protocols
3062 async_protocol_deps="threads"
3063 bluray_protocol_deps="libbluray"
3064 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
3065 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3066 ffrtmpcrypt_protocol_select="tcp_protocol"
3067 ffrtmphttp_protocol_deps="!librtmp_protocol"
3068 ffrtmphttp_protocol_select="http_protocol"
3069 ftp_protocol_select="tcp_protocol"
3070 gopher_protocol_select="network"
3071 http_protocol_select="tcp_protocol"
3072 httpproxy_protocol_select="tcp_protocol"
3073 https_protocol_select="tls_protocol"
3074 icecast_protocol_select="http_protocol"
3075 librtmp_protocol_deps="librtmp"
3076 librtmpe_protocol_deps="librtmp"
3077 librtmps_protocol_deps="librtmp"
3078 librtmpt_protocol_deps="librtmp"
3079 librtmpte_protocol_deps="librtmp"
3080 libsmbclient_protocol_deps="libsmbclient gplv3"
3081 libssh_protocol_deps="libssh"
3082 mmsh_protocol_select="http_protocol"
3083 mmst_protocol_select="network"
3084 rtmp_protocol_deps="!librtmp_protocol"
3085 rtmp_protocol_select="tcp_protocol"
3086 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3087 rtmps_protocol_deps="!librtmp_protocol"
3088 rtmps_protocol_select="tls_protocol"
3089 rtmpt_protocol_select="ffrtmphttp_protocol"
3090 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3091 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3092 rtp_protocol_select="udp_protocol"
3093 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3094 sctp_protocol_select="network"
3095 srtp_protocol_select="rtp_protocol srtp"
3096 tcp_protocol_select="network"
3097 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
3098 tls_gnutls_protocol_select="tcp_protocol"
3099 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
3100 tls_openssl_protocol_select="tcp_protocol"
3101 tls_schannel_protocol_deps="schannel"
3102 tls_schannel_protocol_select="tcp_protocol"
3103 tls_securetransport_protocol_deps="securetransport"
3104 tls_securetransport_protocol_select="tcp_protocol"
3105 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
3106 udp_protocol_select="network"
3107 udplite_protocol_select="network"
3108 unix_protocol_deps="sys_un_h"
3109 unix_protocol_select="network"
3110
3111 # filters
3112 afftfilt_filter_deps="avcodec"
3113 afftfilt_filter_select="fft"
3114 afir_filter_deps="avcodec"
3115 afir_filter_select="fft"
3116 amovie_filter_deps="avcodec avformat"
3117 aresample_filter_deps="swresample"
3118 ass_filter_deps="libass"
3119 atempo_filter_deps="avcodec"
3120 atempo_filter_select="rdft"
3121 azmq_filter_deps="libzmq"
3122 blackframe_filter_deps="gpl"
3123 boxblur_filter_deps="gpl"
3124 bs2b_filter_deps="libbs2b"
3125 colormatrix_filter_deps="gpl"
3126 cover_rect_filter_deps="avcodec avformat gpl"
3127 cropdetect_filter_deps="gpl"
3128 deinterlace_qsv_filter_deps="libmfx"
3129 deinterlace_vaapi_filter_deps="vaapi"
3130 delogo_filter_deps="gpl"
3131 deshake_filter_select="pixelutils"
3132 drawtext_filter_deps="libfreetype"
3133 elbg_filter_deps="avcodec"
3134 eq_filter_deps="gpl"
3135 fftfilt_filter_deps="avcodec"
3136 fftfilt_filter_select="rdft"
3137 find_rect_filter_deps="avcodec avformat gpl"
3138 firequalizer_filter_deps="avcodec"
3139 firequalizer_filter_select="rdft"
3140 flite_filter_deps="libflite"
3141 framerate_filter_select="pixelutils"
3142 frei0r_filter_deps="frei0r dlopen"
3143 frei0r_src_filter_deps="frei0r dlopen"
3144 fspp_filter_deps="gpl"
3145 geq_filter_deps="gpl"
3146 histeq_filter_deps="gpl"
3147 hqdn3d_filter_deps="gpl"
3148 interlace_filter_deps="gpl"
3149 kerndeint_filter_deps="gpl"
3150 ladspa_filter_deps="ladspa dlopen"
3151 mcdeint_filter_deps="avcodec gpl"
3152 movie_filter_deps="avcodec avformat"
3153 mpdecimate_filter_deps="gpl"
3154 mpdecimate_filter_select="pixelutils"
3155 mptestsrc_filter_deps="gpl"
3156 negate_filter_deps="lut_filter"
3157 nnedi_filter_deps="gpl"
3158 ocr_filter_deps="libtesseract"
3159 ocv_filter_deps="libopencv"
3160 owdenoise_filter_deps="gpl"
3161 pan_filter_deps="swresample"
3162 perspective_filter_deps="gpl"
3163 phase_filter_deps="gpl"
3164 pp7_filter_deps="gpl"
3165 pp_filter_deps="gpl postproc"
3166 pullup_filter_deps="gpl"
3167 removelogo_filter_deps="avcodec avformat swscale"
3168 repeatfields_filter_deps="gpl"
3169 resample_filter_deps="avresample"
3170 rubberband_filter_deps="librubberband"
3171 sab_filter_deps="gpl swscale"
3172 scale2ref_filter_deps="swscale"
3173 scale_filter_deps="swscale"
3174 scale_qsv_filter_deps="libmfx"
3175 select_filter_select="pixelutils"
3176 showcqt_filter_deps="avcodec avformat swscale"
3177 showcqt_filter_select="fft"
3178 showfreqs_filter_deps="avcodec"
3179 showfreqs_filter_select="fft"
3180 showspectrum_filter_deps="avcodec"
3181 showspectrum_filter_select="fft"
3182 showspectrumpic_filter_deps="avcodec"
3183 showspectrumpic_filter_select="fft"
3184 signature_filter_deps="gpl avcodec avformat"
3185 smartblur_filter_deps="gpl swscale"
3186 sofalizer_filter_deps="libmysofa avcodec"
3187 sofalizer_filter_select="fft"
3188 spectrumsynth_filter_deps="avcodec"
3189 spectrumsynth_filter_select="fft"
3190 spp_filter_deps="gpl avcodec"
3191 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3192 stereo3d_filter_deps="gpl"
3193 subtitles_filter_deps="avformat avcodec libass"
3194 super2xsai_filter_deps="gpl"
3195 pixfmts_super2xsai_test_deps="super2xsai_filter"
3196 tinterlace_filter_deps="gpl"
3197 tinterlace_merge_test_deps="tinterlace_filter"
3198 tinterlace_pad_test_deps="tinterlace_filter"
3199 uspp_filter_deps="gpl avcodec"
3200 vaguedenoiser_filter_deps="gpl"
3201 vidstabdetect_filter_deps="libvidstab"
3202 vidstabtransform_filter_deps="libvidstab"
3203 libvmaf_filter_deps="libvmaf"
3204 zmq_filter_deps="libzmq"
3205 zoompan_filter_deps="swscale"
3206 zscale_filter_deps="libzimg"
3207 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3208
3209 # examples
3210 avio_dir_cmd_deps="avformat avutil"
3211 avio_reading_deps="avformat avcodec avutil"
3212 decode_audio_example_deps="avcodec avutil"
3213 decode_video_example_deps="avcodec avutil"
3214 demuxing_decoding_example_deps="avcodec avformat avutil"
3215 encode_audio_example_deps="avcodec avutil"
3216 encode_video_example_deps="avcodec avutil"
3217 extract_mvs_example_deps="avcodec avformat avutil"
3218 filter_audio_example_deps="avfilter avutil"
3219 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3220 filtering_video_example_deps="avfilter avcodec avformat avutil"
3221 http_multiclient_example_deps="avformat avutil fork"
3222 hw_decode_example_deps="avcodec avformat avutil"
3223 metadata_example_deps="avformat avutil"
3224 muxing_example_deps="avcodec avformat avutil swscale"
3225 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3226 remuxing_example_deps="avcodec avformat avutil"
3227 resampling_audio_example_deps="avutil swresample"
3228 scaling_video_example_deps="avutil swscale"
3229 transcode_aac_example_deps="avcodec avformat swresample"
3230 transcoding_example_deps="avfilter avcodec avformat avutil"
3231
3232 # libraries, in linking order
3233 avcodec_deps="avutil"
3234 avcodec_select="null_bsf"
3235 avdevice_deps="avformat avcodec avutil"
3236 avfilter_deps="avutil"
3237 avformat_deps="avcodec avutil"
3238 avresample_deps="avutil"
3239 postproc_deps="avutil gpl"
3240 swresample_deps="avutil"
3241 swscale_deps="avutil"
3242
3243 # programs
3244 ffmpeg_deps="avcodec avfilter avformat swresample"
3245 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3246                null_filter
3247                trim_filter"
3248 ffplay_deps="avcodec avformat swscale swresample sdl2"
3249 ffplay_extralibs='$sdl2_extralibs'
3250 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3251 ffprobe_deps="avcodec avformat"
3252 ffserver_deps="avformat fork sarestart"
3253 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3254
3255 # documentation
3256 podpages_deps="perl"
3257 manpages_deps="perl pod2man"
3258 htmlpages_deps="perl"
3259 htmlpages_deps_any="makeinfo_html texi2html"
3260 txtpages_deps="perl makeinfo"
3261 doc_deps_any="manpages htmlpages podpages txtpages"
3262
3263 # default parameters
3264
3265 logfile="ffbuild/config.log"
3266
3267 # installation paths
3268 prefix_default="/usr/local"
3269 bindir_default='${prefix}/bin'
3270 datadir_default='${prefix}/share/ffmpeg'
3271 docdir_default='${prefix}/share/doc/ffmpeg'
3272 incdir_default='${prefix}/include'
3273 libdir_default='${prefix}/lib'
3274 mandir_default='${prefix}/share/man'
3275
3276 # toolchain
3277 ar_default="ar"
3278 cc_default="gcc"
3279 cxx_default="g++"
3280 host_cc_default="gcc"
3281 doxygen_default="doxygen"
3282 install="install"
3283 ln_s_default="ln -s -f"
3284 nm_default="nm -g"
3285 pkg_config_default=pkg-config
3286 ranlib_default="ranlib"
3287 strip_default="strip"
3288 version_script='--version-script'
3289 x86asmexe_default="nasm"
3290 windres_default="windres"
3291 nvcc_default="nvcc"
3292 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3293
3294 # OS
3295 target_os_default=$(tolower $(uname -s))
3296 host_os=$target_os_default
3297
3298 # machine
3299 if test "$target_os_default" = aix; then
3300     arch_default=$(uname -p)
3301     strip_default="strip -X32_64"
3302 else
3303     arch_default=$(uname -m)
3304 fi
3305 cpu="generic"
3306 intrinsics="none"
3307
3308 # configurable options
3309 enable $PROGRAM_LIST
3310 enable $DOCUMENT_LIST
3311 enable $EXAMPLE_LIST
3312 enable $(filter_out avresample $LIBRARY_LIST)
3313 enable stripping
3314
3315 enable asm
3316 enable debug
3317 enable doc
3318 enable faan faandct faanidct
3319 enable optimizations
3320 enable runtime_cpudetect
3321 enable safe_bitstream_reader
3322 enable static
3323 enable swscale_alpha
3324 enable valgrind_backtrace
3325
3326 sws_max_filter_size_default=256
3327 set_default sws_max_filter_size
3328
3329 # build settings
3330 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3331 LIBPREF="lib"
3332 LIBSUF=".a"
3333 FULLNAME='$(NAME)$(BUILDSUF)'
3334 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3335 SLIBPREF="lib"
3336 SLIBSUF=".so"
3337 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3338 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3339 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3340 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3341 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3342 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3343 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3344
3345 asflags_filter=echo
3346 cflags_filter=echo
3347 ldflags_filter=echo
3348
3349 AS_C='-c'
3350 AS_O='-o $@'
3351 CC_C='-c'
3352 CC_E='-E -o $@'
3353 CC_O='-o $@'
3354 CXX_C='-c'
3355 CXX_O='-o $@'
3356 OBJCC_C='-c'
3357 OBJCC_E='-E -o $@'
3358 OBJCC_O='-o $@'
3359 X86ASM_O='-o $@'
3360 LD_O='-o $@'
3361 LD_LIB='-l%'
3362 LD_PATH='-L'
3363 HOSTCC_C='-c'
3364 HOSTCC_E='-E -o $@'
3365 HOSTCC_O='-o $@'
3366 HOSTLD_O='-o $@'
3367 NVCC_C='-c'
3368 NVCC_O='-o $@'
3369
3370 host_extralibs='-lm'
3371 host_cflags_filter=echo
3372 host_ldflags_filter=echo
3373
3374 target_path='$(CURDIR)'
3375
3376 # since the object filename is not given with the -MM flag, the compiler
3377 # is only able to print the basename, and we must add the path ourselves
3378 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3379 DEPFLAGS='-MM'
3380
3381 mkdir -p ffbuild
3382
3383 # find source path
3384 if test -f configure; then
3385     source_path=.
3386 else
3387     source_path=$(cd $(dirname "$0"); pwd)
3388     case "$source_path" in
3389         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3390     esac
3391     test -e "$source_path/config.h" &&
3392         die "Out of tree builds are impossible with config.h in source dir."
3393 fi
3394
3395 for v in "$@"; do
3396     r=${v#*=}
3397     l=${v%"$r"}
3398     r=$(sh_quote "$r")
3399     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3400 done
3401
3402 find_things(){
3403     thing=$1
3404     pattern=$2
3405     file=$source_path/$3
3406     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3407 }
3408
3409 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
3410 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
3411 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
3412 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
3413 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
3414 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
3415 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
3416 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
3417 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
3418
3419 find_things_extern(){
3420     thing=$1
3421     pattern=$2
3422     file=$source_path/$3
3423     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3424 }
3425
3426 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3427 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3428
3429 ALL_COMPONENTS="
3430     $BSF_LIST
3431     $DECODER_LIST
3432     $DEMUXER_LIST
3433     $ENCODER_LIST
3434     $FILTER_LIST
3435     $HWACCEL_LIST
3436     $INDEV_LIST
3437     $MUXER_LIST
3438     $OUTDEV_LIST
3439     $PARSER_LIST
3440     $PROTOCOL_LIST
3441 "
3442
3443 for n in $COMPONENT_LIST; do
3444     v=$(toupper ${n%s})_LIST
3445     eval enable \$$v
3446     eval ${n}_if_any="\$$v"
3447 done
3448
3449 enable $ARCH_EXT_LIST
3450
3451 die_unknown(){
3452     echo "Unknown option \"$1\"."
3453     echo "See $0 --help for available options."
3454     exit 1
3455 }
3456
3457 print_in_columns() {
3458     cols=$(expr $ncols / 24)
3459     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3460 }
3461
3462 show_list() {
3463     suffix=_$1
3464     shift
3465     echo $* | sed s/$suffix//g | print_in_columns
3466     exit 0
3467 }
3468
3469 rand_list(){
3470     IFS=', '
3471     set -- $*
3472     unset IFS
3473     for thing; do
3474         comp=${thing%:*}
3475         prob=${thing#$comp}
3476         prob=${prob#:}
3477         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3478         echo "prob ${prob:-0.5}"
3479         printf '%s\n' $comp
3480     done
3481 }
3482
3483 do_random(){
3484     action=$1
3485     shift
3486     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3487     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3488 }
3489
3490 for opt do
3491     optval="${opt#*=}"
3492     case "$opt" in
3493         --extra-ldflags=*)
3494             add_ldflags $optval
3495         ;;
3496         --extra-ldexeflags=*)
3497             add_ldexeflags $optval
3498         ;;
3499         --extra-ldlibflags=*)
3500             add_ldlibflags $optval
3501         ;;
3502         --extra-libs=*)
3503             add_extralibs $optval
3504         ;;
3505         --disable-devices)
3506             disable $INDEV_LIST $OUTDEV_LIST
3507         ;;
3508         --enable-debug=*)
3509             debuglevel="$optval"
3510         ;;
3511         --disable-programs)
3512             disable $PROGRAM_LIST
3513         ;;
3514         --disable-everything)
3515             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3516         ;;
3517         --disable-all)
3518             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3519             disable $LIBRARY_LIST $PROGRAM_LIST doc
3520             enable avutil
3521         ;;
3522         --enable-random|--disable-random)
3523             action=${opt%%-random}
3524             do_random ${action#--} $COMPONENT_LIST
3525         ;;
3526         --enable-random=*|--disable-random=*)
3527             action=${opt%%-random=*}
3528             do_random ${action#--} $optval
3529         ;;
3530         --enable-sdl)
3531             enable sdl2
3532         ;;
3533         --enable-*=*|--disable-*=*)
3534             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3535             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3536             eval list=\$$(toupper $thing)_LIST
3537             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3538             list=$(filter "$name" $list)
3539             [ "$list" = "" ] && warn "Option $opt did not match anything"
3540             $action $list
3541         ;;
3542         --enable-yasm|--disable-yasm)
3543             warn "The ${opt} option is only provided for compatibility and will be\n"\
3544                  "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3545             test $opt = --enable-yasm && x86asm=yes || x86asm=no
3546         ;;
3547         --yasmexe=*)
3548             warn "The --yasmexe option is only provided for compatibility and will be\n"\
3549                  "removed in the future. Use --x86asmexe instead."
3550             x86asmexe="$optval"
3551         ;;
3552         --enable-?*|--disable-?*)
3553             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3554             if is_in $option $COMPONENT_LIST; then
3555                 test $action = disable && action=unset
3556                 eval $action \$$(toupper ${option%s})_LIST
3557             elif is_in $option $CMDLINE_SELECT; then
3558                 $action $option
3559             else
3560                 die_unknown $opt
3561             fi
3562         ;;
3563         --list-*)
3564             NAME="${opt#--list-}"
3565             is_in $NAME $COMPONENT_LIST || die_unknown $opt
3566             NAME=${NAME%s}
3567             eval show_list $NAME \$$(toupper $NAME)_LIST
3568         ;;
3569         --help|-h) show_help
3570         ;;
3571         --quiet|-q) quiet=yes
3572         ;;
3573         --fatal-warnings) enable fatal_warnings
3574         ;;
3575         --libfuzzer=*)
3576             libfuzzer_path="$optval"
3577         ;;
3578         *)
3579             optname="${opt%%=*}"
3580             optname="${optname#--}"
3581             optname=$(echo "$optname" | sed 's/-/_/g')
3582             if is_in $optname $CMDLINE_SET; then
3583                 eval $optname='$optval'
3584             elif is_in $optname $CMDLINE_APPEND; then
3585                 append $optname "$optval"
3586             else
3587                 die_unknown $opt
3588             fi
3589         ;;
3590     esac
3591 done
3592
3593 for e in $env; do
3594     eval "export $e"
3595 done
3596
3597 if disabled autodetect; then
3598
3599     # Unless iconv is explicitely disabled by the user, we still want to probe
3600     # for the iconv from the libc.
3601     disabled iconv || enable libc_iconv
3602
3603     disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3604     disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3605 fi
3606 # Mark specifically enabled, but normally autodetected libraries as requested.
3607 for lib in $AUTODETECT_LIBS; do
3608     enabled $lib && request $lib
3609 done
3610 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3611 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3612 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3613
3614 disabled logging && logfile=/dev/null
3615
3616 die_license_disabled() {
3617     enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3618 }
3619
3620 die_license_disabled_gpl() {
3621     enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3622 }
3623
3624 map "die_license_disabled gpl"      $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3625 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3626
3627 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3628 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3629
3630 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3631
3632 # Disable all the library-specific components if the library itself
3633 # is disabled, see AVCODEC_LIST and following _LIST variables.
3634
3635 disable_components(){
3636     disabled ${1} && disable $(
3637         eval components="\$$(toupper ${1})_COMPONENTS"
3638         map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3639     )
3640 }
3641
3642 map 'disable_components $v' $LIBRARY_LIST
3643
3644 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3645 set >> $logfile
3646
3647 test -n "$valgrind" && toolchain="valgrind-memcheck"
3648
3649 enabled ossfuzz && {
3650     add_cflags  -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3651     add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3652 }
3653
3654 case "$toolchain" in
3655     *-asan)
3656         cc_default="${toolchain%-asan}"
3657         add_cflags  -fsanitize=address
3658         add_ldflags -fsanitize=address
3659     ;;
3660     *-msan)
3661         cc_default="${toolchain%-msan}"
3662         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins
3663         add_ldflags -fsanitize=memory
3664     ;;
3665     *-tsan)
3666         cc_default="${toolchain%-tsan}"
3667         add_cflags  -fsanitize=thread -fPIE
3668         add_ldflags -fsanitize=thread -pie
3669         case "$toolchain" in
3670             gcc-tsan)
3671                 add_cflags  -fPIC
3672                 add_ldflags -fPIC
3673                 ;;
3674         esac
3675     ;;
3676     *-usan)
3677         cc_default="${toolchain%-usan}"
3678         add_cflags  -fsanitize=undefined
3679         add_ldflags -fsanitize=undefined
3680     ;;
3681     valgrind-*)
3682         target_exec_default="valgrind"
3683         case "$toolchain" in
3684             valgrind-massif)
3685                 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3686                 ;;
3687             valgrind-memcheck)
3688                 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3689                 ;;
3690         esac
3691     ;;
3692     msvc)
3693         # Check whether the current MSVC version needs the C99 converter.
3694         # From MSVC 2013 (compiler major version 18) onwards, it does actually
3695         # support enough of C99 to build ffmpeg. Default to the new
3696         # behaviour if the regexp was unable to match anything, since this
3697         # successfully parses the version number of existing supported
3698         # versions that require the converter (MSVC 2010 and 2012).
3699         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3700         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3701             cc_default="cl"
3702             cxx_default="cl"
3703         else
3704             cc_default="c99wrap cl"
3705             cxx_default="c99wrap cl"
3706         fi
3707         ld_default="$source_path/compat/windows/mslink"
3708         nm_default="dumpbin -symbols"
3709         ar_default="lib"
3710         case "$arch" in
3711         arm*)
3712             as_default="armasm"
3713             ;;
3714         esac
3715         target_os_default="win32"
3716         # Use a relative path for TMPDIR. This makes sure all the
3717         # ffconf temp files are written with a relative path, avoiding
3718         # issues with msys/win32 path conversion for MSVC parameters
3719         # such as -Fo<file> or -out:<file>.
3720         TMPDIR=.
3721     ;;
3722     icl)
3723         cc_default="icl"
3724         ld_default="xilink"
3725         nm_default="dumpbin -symbols"
3726         ar_default="xilib"
3727         target_os_default="win32"
3728         TMPDIR=.
3729     ;;
3730     gcov)
3731         add_cflags  -fprofile-arcs -ftest-coverage
3732         add_ldflags -fprofile-arcs -ftest-coverage
3733     ;;
3734     llvm-cov)
3735         add_cflags -fprofile-arcs -ftest-coverage
3736         add_ldflags --coverage
3737     ;;
3738     hardened)
3739         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3740         add_cflags   -fno-strict-overflow -fstack-protector-all
3741         add_ldflags  -Wl,-z,relro -Wl,-z,now
3742         add_cflags   -fPIE
3743         add_ldexeflags -fPIE -pie
3744     ;;
3745     ?*)
3746         die "Unknown toolchain $toolchain"
3747     ;;
3748 esac
3749
3750 test -n "$cross_prefix" && enable cross_compile
3751
3752 if enabled cross_compile; then
3753     test -n "$arch" && test -n "$target_os" ||
3754         die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3755 fi
3756
3757 ar_default="${cross_prefix}${ar_default}"
3758 cc_default="${cross_prefix}${cc_default}"
3759 cxx_default="${cross_prefix}${cxx_default}"
3760 nm_default="${cross_prefix}${nm_default}"
3761 pkg_config_default="${cross_prefix}${pkg_config_default}"
3762 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3763     ranlib_default="${cross_prefix}${ranlib_default} -D"
3764 else
3765     ranlib_default="${cross_prefix}${ranlib_default}"
3766 fi
3767 strip_default="${cross_prefix}${strip_default}"
3768 windres_default="${cross_prefix}${windres_default}"
3769
3770 sysinclude_default="${sysroot}/usr/include"
3771
3772 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3773     target_exec target_os x86asmexe nvcc
3774 enabled cross_compile || host_cc_default=$cc
3775 set_default host_cc
3776
3777 pkg_config_fail_message=""
3778 if ! $pkg_config --version >/dev/null 2>&1; then
3779     warn "$pkg_config not found, library detection may fail."
3780     pkg_config=false
3781 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3782     pkg_config_fail_message="
3783 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3784 fi
3785
3786 if test $doxygen != $doxygen_default && \
3787   ! $doxygen --version >/dev/null 2>&1; then
3788     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3789 fi
3790
3791 exesuf() {
3792     case $1 in
3793         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3794     esac
3795 }
3796
3797 EXESUF=$(exesuf $target_os)
3798 HOSTEXESUF=$(exesuf $host_os)
3799
3800 # set temporary file name
3801 : ${TMPDIR:=$TEMPDIR}
3802 : ${TMPDIR:=$TMP}
3803 : ${TMPDIR:=/tmp}
3804
3805 if [ -n "$tempprefix" ] ; then
3806     mktemp(){
3807         tmpname="$tempprefix.${HOSTNAME}.${UID}"
3808         echo "$tmpname"
3809         mkdir "$tmpname"
3810     }
3811 elif ! check_cmd mktemp -u XXXXXX; then
3812     # simple replacement for missing mktemp
3813     # NOT SAFE FOR GENERAL USE
3814     mktemp(){
3815         tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3816         echo "$tmpname"
3817         mkdir "$tmpname"
3818     }
3819 fi
3820
3821 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
3822     die "Unable to create temporary directory in $TMPDIR."
3823
3824 tmpfile(){
3825     tmp="${FFTMPDIR}/test"$2
3826     (set -C; exec > $tmp) 2> /dev/null ||
3827         die "Unable to create temporary file in $FFTMPDIR."
3828     eval $1=$tmp
3829 }
3830
3831 trap 'rm -rf -- "$FFTMPDIR"' EXIT
3832 trap 'exit 2' INT
3833
3834 tmpfile TMPASM .asm
3835 tmpfile TMPC   .c
3836 tmpfile TMPCPP .cpp
3837 tmpfile TMPE   $EXESUF
3838 tmpfile TMPH   .h
3839 tmpfile TMPM   .m
3840 tmpfile TMPO   .o
3841 tmpfile TMPS   .S
3842 tmpfile TMPSH  .sh
3843 tmpfile TMPV   .ver
3844
3845 unset -f mktemp
3846
3847 chmod +x $TMPE
3848
3849 # make sure we can execute files in $TMPDIR
3850 cat > $TMPSH 2>> $logfile <<EOF
3851 #! /bin/sh
3852 EOF
3853 chmod +x $TMPSH >> $logfile 2>&1
3854 if ! $TMPSH >> $logfile 2>&1; then
3855     cat <<EOF
3856 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
3857 variable to another directory and make sure that it is not mounted noexec.
3858 EOF
3859     die "Sanity test failed."
3860 fi
3861
3862 armasm_flags(){
3863     for flag; do
3864         case $flag in
3865             # Filter out MSVC cl.exe options from cflags that shouldn't
3866             # be passed to gas-preprocessor
3867             -M[TD]*)                                            ;;
3868             *)                  echo $flag                      ;;
3869         esac
3870    done
3871 }
3872
3873 ccc_flags(){
3874     for flag; do
3875         case $flag in
3876             -std=c99)           echo -c99                       ;;
3877             -mcpu=*)            echo -arch ${flag#*=}           ;;
3878             -mieee)             echo -ieee                      ;;
3879             -O*|-fast)          echo $flag                      ;;
3880             -fno-math-errno)    echo -assume nomath_errno       ;;
3881             -g)                 echo -g3                        ;;
3882             -Wall)              echo -msg_enable level2         ;;
3883             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;
3884             -Wl,*)              echo $flag                      ;;
3885             -f*|-W*)                                            ;;
3886             *)                  echo $flag                      ;;
3887         esac
3888    done
3889 }
3890
3891 cparser_flags(){
3892     for flag; do
3893         case $flag in
3894             -Wno-switch)             echo -Wno-switch-enum ;;
3895             -Wno-format-zero-length) ;;
3896             -Wdisabled-optimization) ;;
3897             -Wno-pointer-sign)       echo -Wno-other ;;
3898             *)                       echo $flag ;;
3899         esac
3900     done
3901 }
3902
3903 msvc_common_flags(){
3904     for flag; do
3905         case $flag in
3906             # In addition to specifying certain flags under the compiler
3907             # specific filters, they must be specified here as well or else the
3908             # generic catch all at the bottom will print the original flag.
3909             -Wall)                ;;
3910             -Wextra)              ;;
3911             -std=c99)             ;;
3912             # Common flags
3913             -fomit-frame-pointer) ;;
3914             -g)                   echo -Z7 ;;
3915             -fno-math-errno)      ;;
3916             -fno-common)          ;;
3917             -fno-signed-zeros)    ;;
3918             -fPIC)                ;;
3919             -mthumb)              ;;
3920             -march=*)             ;;
3921             -lz)                  echo zlib.lib ;;
3922             -lx264)               echo libx264.lib ;;
3923             -lstdc++)             ;;
3924             -l*)                  echo ${flag#-l}.lib ;;
3925             -LARGEADDRESSAWARE)   echo $flag ;;
3926             -L*)                  echo -libpath:${flag#-L} ;;
3927             *)                    echo $flag ;;
3928         esac
3929     done
3930 }
3931
3932 msvc_flags(){
3933     msvc_common_flags "$@"
3934     for flag; do
3935         case $flag in
3936             -Wall)                echo -W3 -wd4018 -wd4146 -wd4244 -wd4305     \
3937                                        -wd4554 ;;
3938             -Wextra)              echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \
3939                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3940                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3941                                        -wd4307 \
3942                                        -wd4273 -wd4554 -wd4701 -wd4703 ;;
3943         esac
3944     done
3945 }
3946
3947 icl_flags(){
3948     msvc_common_flags "$@"
3949     for flag; do
3950         case $flag in
3951             # Despite what Intel's documentation says -Wall, which is supported
3952             # on Windows, does enable remarks so disable them here.
3953             -Wall)                echo $flag -Qdiag-disable:remark ;;
3954             -std=c99)             echo -Qstd=c99 ;;
3955             -flto)                echo -ipo ;;
3956         esac
3957     done
3958 }
3959
3960 icc_flags(){
3961     for flag; do
3962         case $flag in
3963             -flto)                echo -ipo ;;
3964             *)                    echo $flag ;;
3965         esac
3966     done
3967 }
3968
3969 pgi_flags(){
3970     for flag; do
3971         case $flag in
3972             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;
3973             -fomit-frame-pointer) echo -Mnoframe ;;
3974             -g)                   echo -gopt ;;
3975             *)                    echo $flag ;;
3976         esac
3977     done
3978 }
3979
3980 suncc_flags(){
3981     for flag; do
3982         case $flag in
3983             -march=*|-mcpu=*)
3984                 case "${flag#*=}" in
3985                     native)                   echo -xtarget=native       ;;
3986                     v9|niagara)               echo -xarch=sparc          ;;
3987                     ultrasparc)               echo -xarch=sparcvis       ;;
3988                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
3989                     i586|pentium)             echo -xchip=pentium        ;;
3990                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
3991                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
3992                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
3993                     pentium4*)          echo -xtarget=pentium4           ;;
3994                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
3995                     *-sse3)             echo -xarch=sse3                 ;;
3996                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
3997                     bonnell)                   echo -xarch=ssse3         ;;
3998                     corei7|nehalem)            echo -xtarget=nehalem     ;;
3999                     westmere)                  echo -xtarget=westmere    ;;
4000                     silvermont)                echo -xarch=sse4_2        ;;
4001                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;
4002                     core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4003                                                echo -xarch=avx           ;;
4004                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;
4005                     btver1)                    echo -xarch=amdsse4a      ;;
4006                     btver2|bdver*|znver*)      echo -xarch=avx           ;;
4007                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;
4008                     k8|opteron|athlon64|athlon-fx)
4009                                                echo -xarch=sse2a         ;;
4010                     athlon*)                   echo -xarch=pentium_proa  ;;
4011                 esac
4012                 ;;
4013             -std=c99)             echo -xc99              ;;
4014             -fomit-frame-pointer) echo -xregs=frameptr    ;;
4015             -fPIC)                echo -KPIC -xcode=pic32 ;;
4016             -W*,*)                echo $flag              ;;
4017             -f*-*|-W*|-mimpure-text)                      ;;
4018             -shared)              echo -G                 ;;
4019             *)                    echo $flag              ;;
4020         esac
4021     done
4022 }
4023
4024 tms470_flags(){
4025     for flag; do
4026         case $flag in
4027             -march=*|-mcpu=*)
4028                 case "${flag#*=}" in
4029                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
4030                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
4031                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
4032                     armv6*|arm11*)          echo -mv=6   ;;
4033                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
4034                                             echo -mv=5e  ;;
4035                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
4036                 esac
4037                 ;;
4038             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
4039             -mfpu=vfp)      echo --float_support=vfpv2        ;;
4040             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
4041             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;
4042             -msoft-float)   echo --float_support=vfplib       ;;
4043             -O[0-3]|-mf=*)  echo $flag                        ;;
4044             -g)             echo -g -mn                       ;;
4045             -pds=*)         echo $flag                        ;;
4046             -D*|-I*)        echo $flag                        ;;
4047             --gcc|--abi=*)  echo $flag                        ;;
4048             -me)            echo $flag                        ;;
4049         esac
4050     done
4051 }
4052
4053 probe_cc(){
4054     pfx=$1
4055     _cc=$2
4056     first=$3
4057
4058     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4059     unset _ld_o _ldflags _ld_lib _ld_path
4060     unset _depflags _DEPCMD _DEPFLAGS
4061     _flags_filter=echo
4062
4063     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4064         true # no-op to avoid reading stdin in following checks
4065     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4066         _type=llvm_gcc
4067         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4068         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4069         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4070         _cflags_speed='-O3'
4071         _cflags_size='-Os'
4072     elif $_cc -v 2>&1 | grep -qi ^gcc; then
4073         _type=gcc
4074         gcc_version=$($_cc --version | head -n1)
4075         gcc_basever=$($_cc -dumpversion)
4076         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4077         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4078         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4079         case $gcc_basever in
4080             2) ;;
4081             2.*) ;;
4082             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4083         esac
4084         if [ "$first" = true ]; then
4085             case $gcc_basever in
4086                 4.2*)
4087                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4088             esac
4089         fi
4090         _cflags_speed='-O3'
4091         _cflags_size='-Os'
4092     elif $_cc --version 2>/dev/null | grep -q ^icc; then
4093         _type=icc
4094         _ident=$($_cc --version | head -n1)
4095         _depflags='-MMD'
4096         _cflags_speed='-O3'
4097         _cflags_size='-Os'
4098         _cflags_noopt='-O1'
4099         _flags_filter=icc_flags
4100     elif $_cc -v 2>&1 | grep -q xlc; then
4101         _type=xlc
4102         _ident=$($_cc -qversion 2>/dev/null | head -n1)
4103         _cflags_speed='-O5'
4104         _cflags_size='-O5 -qcompact'
4105     elif $_cc -V 2>/dev/null | grep -q Compaq; then
4106         _type=ccc
4107         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
4108         _DEPFLAGS='-M'
4109         _cflags_speed='-fast'
4110         _cflags_size='-O1'
4111         _flags_filter=ccc_flags
4112     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4113         test -d "$sysroot" || die "No valid sysroot specified."
4114         _type=armcc
4115         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4116         armcc_conf="$PWD/armcc.conf"
4117         $_cc --arm_linux_configure                 \
4118              --arm_linux_config_file="$armcc_conf" \
4119              --configure_sysroot="$sysroot"        \
4120              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4121              die "Error creating armcc configuration file."
4122         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4123         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4124         as_default="${cross_prefix}gcc"
4125         _depflags='-MMD'
4126         _cflags_speed='-O3'
4127         _cflags_size='-Os'
4128     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
4129         _type=tms470
4130         _ident=$($_cc -version | head -n1 | tr -s ' ')
4131         _flags='--gcc --abi=eabi -me'
4132         _cc_e='-ppl -fe=$@'
4133         _cc_o='-fe=$@'
4134         _depflags='-ppa -ppd=$(@:.o=.d)'
4135         _cflags_speed='-O3 -mf=5'
4136         _cflags_size='-O3 -mf=2'
4137         _flags_filter=tms470_flags
4138     elif $_cc -v 2>&1 | grep -q clang; then
4139         _type=clang
4140         _ident=$($_cc --version 2>/dev/null | head -n1)
4141         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4142         _cflags_speed='-O3'
4143         _cflags_size='-Oz'
4144     elif $_cc -V 2>&1 | grep -q Sun; then
4145         _type=suncc
4146         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4147         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4148         _DEPFLAGS='-xM1 -xc99'
4149         _ldflags='-std=c99'
4150         _cflags_speed='-O5'
4151         _cflags_size='-O5 -xspace'
4152         _flags_filter=suncc_flags
4153     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4154         _type=pathscale
4155         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4156         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4157         _cflags_speed='-O2'
4158         _cflags_size='-Os'
4159         _flags_filter='filter_out -Wdisabled-optimization'
4160     elif $_cc -v 2>&1 | grep -q Open64; then
4161         _type=open64
4162         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4163         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4164         _cflags_speed='-O2'
4165         _cflags_size='-Os'
4166         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4167     elif $_cc -V 2>&1 | grep -q Portland; then
4168         _type=pgi
4169         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
4170         opt_common='-alias=ansi -Mdse -Mlre -Mpre'
4171         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
4172         _cflags_size="-O2 -Munroll=c:1 $opt_common"
4173         _cflags_noopt="-O"
4174         _flags_filter=pgi_flags
4175     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4176         _type=armasm
4177         _ident=$($_cc | head -n1)
4178         # 4509: "This form of conditional instruction is deprecated"
4179         _flags="-nologo -ignore 4509"
4180         _flags_filter=armasm_flags
4181     elif $_cc 2>&1 | grep -q Intel; then
4182         _type=icl
4183         _ident=$($_cc 2>&1 | head -n1)
4184         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4185         # Not only is O3 broken on 13.x+ but it is slower on all previous
4186         # versions (tested) as well.
4187         _cflags_speed="-O2"
4188         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4189         if $_cc 2>&1 | grep -q Linker; then
4190             _ld_o='-out:$@'
4191         else
4192             _ld_o='-Fe$@'
4193         fi
4194         _cc_o='-Fo$@'
4195         _cc_e='-P'
4196         _flags_filter=icl_flags
4197         _ld_lib='lib%.a'
4198         _ld_path='-libpath:'
4199         # -Qdiag-error to make icl error when seeing certain unknown arguments
4200         _flags='-nologo -Qdiag-error:4044,10157'
4201         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4202         # with MSVC which enables it by default.
4203         _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4204         disable stripping
4205     elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4206         # lld can emulate multiple different linkers; in ms link.exe mode,
4207         # the -? parameter gives the help output which contains an identifyable
4208         # string, while it gives an error in other modes.
4209         _type=lld-link
4210         # The link.exe mode doesn't have a switch for getting the version,
4211         # but we can force it back to gnu mode and get the version from there.
4212         _ident=$($_cc -flavor gnu --version 2>/dev/null)
4213         _ld_o='-out:$@'
4214         _flags_filter=msvc_flags
4215         _ld_lib='lib%.a'
4216         _ld_path='-libpath:'
4217     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4218         _type=msvc
4219         _ident=$($_cc 2>&1 | head -n1)
4220         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4221         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4222         _cflags_speed="-O2"
4223         _cflags_size="-O1"
4224         _cflags_noopt="-O1"
4225         if $_cc -nologo- 2>&1 | grep -q Linker; then
4226             _ld_o='-out:$@'
4227         else
4228             _ld_o='-Fe$@'
4229         fi
4230         _cc_o='-Fo$@'
4231         _cc_e='-P -Fi$@'
4232         _flags_filter=msvc_flags
4233         _ld_lib='lib%.a'
4234         _ld_path='-libpath:'
4235         _flags='-nologo'
4236         disable stripping
4237     elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4238         _type=cparser
4239         _ident=$($_cc --version | head -n1)
4240         _depflags='-MMD'
4241         _cflags_speed='-O4'
4242         _cflags_size='-O2'
4243         _flags_filter=cparser_flags
4244     fi
4245
4246     eval ${pfx}_type=\$_type
4247     eval ${pfx}_ident=\$_ident
4248 }
4249
4250 set_ccvars(){
4251     eval ${1}_C=\${_cc_c-\${${1}_C}}
4252     eval ${1}_E=\${_cc_e-\${${1}_E}}
4253     eval ${1}_O=\${_cc_o-\${${1}_O}}
4254
4255     if [ -n "$_depflags" ]; then
4256         eval ${1}_DEPFLAGS=\$_depflags
4257     else
4258         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4259         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4260         eval DEP${1}FLAGS=\$_flags
4261     fi
4262 }
4263
4264 probe_cc cc "$cc" "true"
4265 cflags_filter=$_flags_filter
4266 cflags_speed=$_cflags_speed
4267 cflags_size=$_cflags_size
4268 cflags_noopt=$_cflags_noopt
4269 add_cflags $_flags $_cflags
4270 cc_ldflags=$_ldflags
4271 set_ccvars CC
4272 set_ccvars CXX
4273
4274 probe_cc hostcc "$host_cc"
4275 host_cflags_filter=$_flags_filter
4276 host_cflags_speed=$_cflags_speed
4277 add_host_cflags  $_flags $_cflags
4278 set_ccvars HOSTCC
4279
4280 test -n "$cc_type" && enable $cc_type ||
4281     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4282
4283 : ${as_default:=$cc}
4284 : ${objcc_default:=$cc}
4285 : ${dep_cc_default:=$cc}
4286 : ${ld_default:=$cc}
4287 : ${host_ld_default:=$host_cc}
4288 set_default ar as objcc dep_cc ld ln_s host_ld windres
4289
4290 probe_cc as "$as"
4291 asflags_filter=$_flags_filter
4292 add_asflags $_flags $_cflags
4293 set_ccvars AS
4294
4295 probe_cc objcc "$objcc"
4296 objcflags_filter=$_flags_filter
4297 add_objcflags $_flags $_cflags
4298 set_ccvars OBJC
4299
4300 probe_cc ld "$ld"
4301 ldflags_filter=$_flags_filter
4302 add_ldflags $_flags $_ldflags
4303 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4304 LD_O=${_ld_o-$LD_O}
4305 LD_LIB=${_ld_lib-$LD_LIB}
4306 LD_PATH=${_ld_path-$LD_PATH}
4307
4308 probe_cc hostld "$host_ld"
4309 host_ldflags_filter=$_flags_filter
4310 add_host_ldflags $_flags $_ldflags
4311 HOSTLD_O=${_ld_o-$HOSTLD_O}
4312
4313 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4314     probe_cc depcc "$dep_cc"
4315     CCDEP=${_DEPCMD:-$DEPCMD}
4316     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4317     DEPCCFLAGS=$_flags
4318 fi
4319
4320 if $ar 2>&1 | grep -q Microsoft; then
4321     arflags="-nologo"
4322     ar_o='-out:$@'
4323 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
4324     arflags="rq"
4325     ar_o='$@'
4326 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
4327     arflags='-Xany -r -c'
4328     ar_o='$@'
4329 elif $ar 2>&1 | grep -q "\[D\] "; then
4330     arflags="rcD"
4331     ar_o='$@'
4332 else
4333     arflags="rc"
4334     ar_o='$@'
4335 fi
4336
4337 add_cflags $extra_cflags
4338 add_cxxflags $extra_cxxflags
4339 add_objcflags $extra_objcflags
4340 add_asflags $extra_cflags
4341
4342 if test -n "$sysroot"; then
4343     case "$cc_type" in
4344         gcc|llvm_gcc|clang)
4345             add_cppflags --sysroot="$sysroot"
4346             add_ldflags --sysroot="$sysroot"
4347 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
4348             add_cppflags -isysroot "$sysroot"
4349             add_ldflags -isysroot "$sysroot"
4350         ;;
4351         tms470)
4352             add_cppflags -I"$sysinclude"
4353             add_ldflags  --sysroot="$sysroot"
4354         ;;
4355     esac
4356 fi
4357
4358 if test "$cpu" = host; then
4359     enabled cross_compile &&
4360         die "--cpu=host makes no sense when cross-compiling."
4361
4362     case "$cc_type" in
4363         gcc|llvm_gcc)
4364             check_native(){
4365                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4366                 sed -n "/cc1.*$1=/{
4367                             s/.*$1=\\([^ ]*\\).*/\\1/
4368                             p
4369                             q
4370                         }" $TMPE
4371             }
4372             cpu=$(check_native -march || check_native -mcpu)
4373         ;;
4374         clang)
4375             check_native(){
4376                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4377                 sed -n "/cc1.*-target-cpu /{
4378                             s/.*-target-cpu \\([^ ]*\\).*/\\1/
4379                             p
4380                             q
4381                         }" $TMPE
4382             }
4383             cpu=$(check_native -march)
4384         ;;
4385     esac
4386
4387     test "${cpu:-host}" = host &&
4388         die "--cpu=host not supported with compiler $cc"
4389 fi
4390
4391 # Deal with common $arch aliases
4392 case "$arch" in
4393     aarch64|arm64)
4394         arch="aarch64"
4395     ;;
4396     arm*|iPad*|iPhone*)
4397         arch="arm"
4398     ;;
4399     mips*|IP*)
4400         case "$arch" in
4401         *el)
4402             add_cppflags -EL
4403             add_ldflags -EL
4404         ;;
4405         *eb)
4406             add_cppflags -EB
4407             add_ldflags -EB
4408         ;;
4409         esac
4410         arch="mips"
4411     ;;
4412     parisc*|hppa*)
4413         arch="parisc"
4414     ;;
4415     "Power Macintosh"|ppc*|powerpc*)
4416         arch="ppc"
4417     ;;
4418     s390|s390x)
4419         arch="s390"
4420     ;;
4421     sh4|sh)
4422         arch="sh4"
4423     ;;
4424     sun4*|sparc*)
4425         arch="sparc"
4426     ;;
4427     tilegx|tile-gx)
4428         arch="tilegx"
4429     ;;
4430     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4431         arch="x86"
4432     ;;
4433 esac
4434
4435 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4436 enable $arch
4437
4438 # Add processor-specific flags
4439 if enabled aarch64; then
4440
4441     case $cpu in
4442         armv*)
4443             cpuflags="-march=$cpu"
4444         ;;
4445         *)
4446             cpuflags="-mcpu=$cpu"
4447         ;;
4448     esac
4449
4450 elif enabled alpha; then
4451
4452     cpuflags="-mcpu=$cpu"
4453
4454 elif enabled arm; then
4455
4456     check_arm_arch() {
4457         check_cpp_condition stddef.h \
4458             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4459             $cpuflags
4460     }
4461
4462     probe_arm_arch() {
4463         if   check_arm_arch 4;        then echo armv4
4464         elif check_arm_arch 4T;       then echo armv4t
4465         elif check_arm_arch 5;        then echo armv5
4466         elif check_arm_arch 5E;       then echo armv5e
4467         elif check_arm_arch 5T;       then echo armv5t
4468         elif check_arm_arch 5TE;      then echo armv5te
4469         elif check_arm_arch 5TEJ;     then echo armv5te
4470         elif check_arm_arch 6;        then echo armv6
4471         elif check_arm_arch 6J;       then echo armv6j
4472         elif check_arm_arch 6K;       then echo armv6k
4473         elif check_arm_arch 6Z;       then echo armv6z
4474         elif check_arm_arch 6ZK;      then echo armv6zk
4475         elif check_arm_arch 6T2;      then echo armv6t2
4476         elif check_arm_arch 7;        then echo armv7
4477         elif check_arm_arch 7A  7_A;  then echo armv7-a
4478         elif check_arm_arch 7S;       then echo armv7-a
4479         elif check_arm_arch 7R  7_R;  then echo armv7-r
4480         elif check_arm_arch 7M  7_M;  then echo armv7-m
4481         elif check_arm_arch 7EM 7E_M; then echo armv7-m
4482         elif check_arm_arch 8A  8_A;  then echo armv8-a
4483         fi
4484     }
4485
4486     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4487
4488     case $cpu in
4489         armv*)
4490             cpuflags="-march=$cpu"
4491             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4492         ;;
4493         *)
4494             cpuflags="-mcpu=$cpu"
4495             case $cpu in
4496                 cortex-a*)                               subarch=armv7a  ;;
4497                 cortex-r*)                               subarch=armv7r  ;;
4498                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
4499                 arm11*)                                  subarch=armv6   ;;
4500                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4501                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
4502                 *)                             subarch=$(probe_arm_arch) ;;
4503             esac
4504         ;;
4505     esac
4506
4507     case "$subarch" in
4508         armv5t*)    enable fast_clz                ;;
4509         armv[6-8]*)
4510             enable fast_clz
4511             disabled fast_unaligned || enable fast_unaligned
4512             ;;
4513     esac
4514
4515 elif enabled avr32; then
4516
4517     case $cpu in
4518         ap7[02]0[0-2])
4519             subarch="avr32_ap"
4520             cpuflags="-mpart=$cpu"
4521         ;;
4522         ap)
4523             subarch="avr32_ap"
4524             cpuflags="-march=$cpu"
4525         ;;
4526         uc3[ab]*)
4527             subarch="avr32_uc"
4528             cpuflags="-mcpu=$cpu"
4529         ;;
4530         uc)
4531             subarch="avr32_uc"
4532             cpuflags="-march=$cpu"
4533         ;;
4534     esac
4535
4536 elif enabled bfin; then
4537
4538     cpuflags="-mcpu=$cpu"
4539
4540 elif enabled mips; then
4541
4542     cpuflags="-march=$cpu"
4543
4544     if [ "$cpu" != "generic" ]; then
4545         disable mips32r2
4546         disable mips32r5
4547         disable mips64r2
4548         disable mips32r6
4549         disable mips64r6
4550         disable loongson2
4551         disable loongson3
4552
4553         case $cpu in
4554             24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4555                 enable mips32r2
4556                 disable msa
4557             ;;
4558             p5600|i6400|p6600)
4559                 disable mipsdsp
4560                 disable mipsdspr2
4561             ;;
4562             loongson*)
4563                 enable loongson2
4564                 enable loongson3
4565                 enable local_aligned_8 local_aligned_16 local_aligned_32
4566                 enable simd_align_16
4567                 enable fast_64bit
4568                 enable fast_clz
4569                 enable fast_cmov
4570                 enable fast_unaligned
4571                 disable aligned_stack
4572                 disable mipsfpu
4573                 disable mipsdsp
4574                 disable mipsdspr2
4575                 case $cpu in
4576                     loongson3*)
4577                         cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4578                     ;;
4579                     loongson2e)
4580                         cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4581                     ;;
4582                     loongson2f)
4583                         cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4584                     ;;
4585                 esac
4586             ;;
4587             *)
4588                 # Unknown CPU. Disable everything.
4589                 warn "unknown CPU. Disabling all MIPS optimizations."
4590                 disable mipsfpu
4591                 disable mipsdsp
4592                 disable mipsdspr2
4593                 disable msa
4594                 disable mmi
4595             ;;
4596         esac
4597
4598         case $cpu in
4599             24kc)
4600                 disable mipsfpu
4601                 disable mipsdsp
4602                 disable mipsdspr2
4603             ;;
4604             24kf*)
4605                 disable mipsdsp
4606                 disable mipsdspr2
4607             ;;
4608             24kec|34kc|1004kc)
4609                 disable mipsfpu
4610                 disable mipsdspr2
4611             ;;
4612             24kef*|34kf*|1004kf*)
4613                 disable mipsdspr2
4614             ;;
4615             74kc)
4616                 disable mipsfpu
4617             ;;
4618             p5600)
4619                 enable mips32r5
4620                 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4621             ;;
4622             i6400)
4623                 enable mips64r6
4624                 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4625             ;;
4626             p6600)
4627                 enable mips64r6
4628                 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4629             ;;
4630         esac
4631     else
4632         # We do not disable anything. Is up to the user to disable the unwanted features.
4633         warn 'generic cpu selected'
4634     fi
4635
4636 elif enabled ppc; then
4637
4638     disable ldbrx
4639
4640     case $(tolower $cpu) in
4641         601|ppc601|powerpc601)
4642             cpuflags="-mcpu=601"
4643             disable altivec
4644         ;;
4645         603*|ppc603*|powerpc603*)
4646             cpuflags="-mcpu=603"
4647             disable altivec
4648         ;;
4649         604*|ppc604*|powerpc604*)
4650             cpuflags="-mcpu=604"
4651             disable altivec
4652         ;;
4653         g3|75*|ppc75*|powerpc75*)
4654             cpuflags="-mcpu=750"
4655             disable altivec
4656         ;;
4657         g4|745*|ppc745*|powerpc745*)
4658             cpuflags="-mcpu=7450"
4659             disable vsx
4660         ;;
4661         74*|ppc74*|powerpc74*)
4662             cpuflags="-mcpu=7400"
4663             disable vsx
4664         ;;
4665         g5|970|ppc970|powerpc970)
4666             cpuflags="-mcpu=970"
4667             disable vsx
4668         ;;
4669         power[3-6]*)
4670             cpuflags="-mcpu=$cpu"
4671             disable vsx
4672         ;;
4673         power[7-8]*)
4674             cpuflags="-mcpu=$cpu"
4675         ;;
4676         cell)
4677             cpuflags="-mcpu=cell"
4678             enable ldbrx
4679             disable vsx
4680         ;;
4681         e500mc)
4682             cpuflags="-mcpu=e500mc"
4683             disable altivec
4684         ;;
4685         e500v2)
4686             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4687             disable altivec
4688             disable dcbzl
4689         ;;
4690         e500)
4691             cpuflags="-mcpu=8540 -mhard-float"
4692             disable altivec
4693             disable dcbzl
4694         ;;
4695     esac
4696
4697 elif enabled sparc; then
4698
4699     case $cpu in
4700         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4701             cpuflags="-mcpu=$cpu"
4702         ;;
4703         ultrasparc*|niagara[234])
4704             cpuflags="-mcpu=$cpu"
4705         ;;
4706     esac
4707
4708 elif enabled x86; then
4709
4710     case $cpu in
4711         i[345]86|pentium)
4712             cpuflags="-march=$cpu"
4713             disable i686
4714             disable mmx
4715         ;;
4716         # targets that do NOT support nopl and conditional mov (cmov)
4717         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4718             cpuflags="-march=$cpu"
4719             disable i686
4720         ;;
4721         # targets that do support nopl and conditional mov (cmov)
4722         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4723         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4724         |amdfam10|barcelona|b[dt]ver*|znver*)
4725             cpuflags="-march=$cpu"
4726             enable i686
4727             enable fast_cmov
4728         ;;
4729         # targets that do support conditional mov but on which it's slow
4730         pentium4|pentium4m|prescott|nocona)
4731             cpuflags="-march=$cpu"
4732             enable i686
4733             disable fast_cmov
4734         ;;
4735     esac
4736
4737 fi
4738
4739 if [ "$cpu" != generic ]; then
4740     add_cflags  $cpuflags
4741     add_asflags $cpuflags
4742     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4743 fi
4744
4745 # compiler sanity check
4746 check_exec <<EOF
4747 int main(void){ return 0; }
4748 EOF
4749 if test "$?" != 0; then
4750     echo "$cc is unable to create an executable file."
4751     if test -z "$cross_prefix" && ! enabled cross_compile ; then
4752         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4753         echo "Only do this if you know what cross compiling means."
4754     fi
4755     die "C compiler test failed."
4756 fi
4757
4758 add_cppflags -D_ISOC99_SOURCE
4759 add_cxxflags -D__STDC_CONSTANT_MACROS
4760 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4761
4762 # some compilers silently accept -std=c11, so we also need to check that the
4763 # version macro is defined properly
4764 if test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L"; then
4765     add_cflags -std=c11
4766 else
4767     check_cflags -std=c99
4768 fi
4769
4770 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4771 #include <stdlib.h>
4772 EOF
4773 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4774 #include <stdlib.h>
4775 EOF
4776
4777 add_host_cppflags -D_ISOC99_SOURCE
4778 check_host_cflags -std=c99
4779 check_host_cflags -Wall
4780 check_host_cflags $host_cflags_speed
4781
4782 check_64bit(){
4783     arch32=$1
4784     arch64=$2
4785     expr=$3
4786     check_code cc "" "int test[2*($expr) - 1]" &&
4787         subarch=$arch64 || subarch=$arch32
4788 }
4789
4790 case "$arch" in
4791     aarch64|alpha|ia64)
4792         spic=$shared
4793     ;;
4794     mips)
4795         check_64bit mips mips64 '_MIPS_SIM > 1'
4796         spic=$shared
4797     ;;
4798     parisc)
4799         check_64bit parisc parisc64 'sizeof(void *) > 4'
4800         spic=$shared
4801     ;;
4802     ppc)
4803         check_64bit ppc ppc64 'sizeof(void *) > 4'
4804         spic=$shared
4805     ;;
4806     s390)
4807         check_64bit s390 s390x 'sizeof(void *) > 4'
4808         spic=$shared
4809     ;;
4810     sparc)
4811         check_64bit sparc sparc64 'sizeof(void *) > 4'
4812         spic=$shared
4813     ;;
4814     x86)
4815         check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4816         # Treat x32 as x64 for now. Note it also needs spic=$shared
4817         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4818             subarch=x86_64
4819         if test "$subarch" = "x86_64"; then
4820             spic=$shared
4821         fi
4822     ;;
4823     ppc)
4824         check_cc <<EOF && subarch="ppc64"
4825         int test[(int)sizeof(char*) - 7];
4826 EOF
4827     ;;
4828 esac
4829
4830 enable $subarch
4831 enabled spic && enable_weak pic
4832
4833 enabled x86_64 && objformat=elf64 || objformat="elf32"
4834
4835 # OS specific
4836 case $target_os in
4837     aix)
4838         SHFLAGS=-shared
4839         add_cppflags '-I\$(SRC_PATH)/compat/aix'
4840         enabled shared && add_ldflags -Wl,-brtl
4841         ;;
4842     android)
4843         disable symver
4844         enable section_data_rel_ro
4845         SLIB_INSTALL_NAME='$(SLIBNAME)'
4846         SLIB_INSTALL_LINKS=
4847         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4848         ;;
4849     haiku)
4850         prefix_default="/boot/common"
4851         network_extralibs="-lnetwork"
4852         host_extralibs=
4853         ;;
4854     sunos)
4855         SHFLAGS='-shared -Wl,-h,$$(@F)'
4856         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4857         network_extralibs="-lsocket -lnsl"
4858         add_cppflags -D__EXTENSIONS__
4859         # When using suncc to build, the Solaris linker will mark
4860         # an executable with each instruction set encountered by
4861         # the Solaris assembler.  As our libraries contain their own
4862         # guards for processor-specific code, instead suppress
4863         # generation of the HWCAPS ELF section on Solaris x86 only.
4864         enabled_all suncc x86 &&
4865             echo "hwcap_1 = OVERRIDE;" > mapfile &&
4866             add_ldflags -Wl,-M,mapfile
4867         nm_default='nm -P -g'