avcodec/nvenc: Bring encoder names in line with other encoders
[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:$PATH
58
59 show_help(){
60     cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65   --help                   print this message
66   --list-decoders          show all available decoders
67   --list-encoders          show all available encoders
68   --list-hwaccels          show all available hardware accelerators
69   --list-demuxers          show all available demuxers
70   --list-muxers            show all available muxers
71   --list-parsers           show all available parsers
72   --list-protocols         show all available protocols
73   --list-bsfs              show all available bitstream filters
74   --list-indevs            show all available input devices
75   --list-outdevs           show all available output devices
76   --list-filters           show all available filters
77
78 Standard options:
79   --logfile=FILE           log tests and output to FILE [config.log]
80   --disable-logging        do not log configure debug information
81   --fatal-warnings         fail if any configure warning is generated
82   --prefix=PREFIX          install in PREFIX [$prefix]
83   --bindir=DIR             install binaries in DIR [PREFIX/bin]
84   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
85   --docdir=DIR             install documentation in DIR [PREFIX/share/doc/ffmpeg]
86   --libdir=DIR             install libs in DIR [PREFIX/lib]
87   --shlibdir=DIR           install shared libs in DIR [LIBDIR]
88   --incdir=DIR             install includes in DIR [PREFIX/include]
89   --mandir=DIR             install man page in DIR [PREFIX/share/man]
90   --pkgconfigdir=DIR       install pkg-config files in DIR [LIBDIR/pkgconfig]
91   --enable-rpath           use rpath to allow installing libraries in paths
92                            not part of the dynamic linker search path
93                            use rpath when linking programs [USE WITH CARE]
94   --install-name-dir=DIR   Darwin directory name for installed targets
95
96 Licensing options:
97   --enable-gpl             allow use of GPL code, the resulting libs
98                            and binaries will be under GPL [no]
99   --enable-version3        upgrade (L)GPL to version 3 [no]
100   --enable-nonfree         allow use of nonfree code, the resulting libs
101                            and binaries will be unredistributable [no]
102
103 Configuration options:
104   --disable-static         do not build static libraries [no]
105   --enable-shared          build shared libraries [no]
106   --enable-small           optimize for size instead of speed
107   --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
108   --enable-gray            enable full grayscale support (slower color)
109   --disable-swscale-alpha  disable alpha channel support in swscale
110   --disable-all            disable building components, libraries and programs
111   --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
112   --enable-raise-major     increase major version numbers in sonames [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   --enable-avisynth        enable reading of AviSynth script files [no]
205   --disable-bzlib          disable bzlib [autodetect]
206   --enable-chromaprint     enable audio fingerprinting with chromaprint [no]
207   --enable-frei0r          enable frei0r video filtering [no]
208   --enable-gcrypt          enable gcrypt, needed for rtmp(t)e support
209                            if openssl, librtmp or gmp is not used [no]
210   --enable-gmp             enable gmp, needed for rtmp(t)e support
211                            if openssl or librtmp is not used [no]
212   --enable-gnutls          enable gnutls, needed for https support
213                            if openssl is not used [no]
214   --disable-iconv          disable iconv [autodetect]
215   --enable-jni             enable JNI support [no]
216   --enable-ladspa          enable LADSPA audio filtering [no]
217   --enable-libass          enable libass subtitles rendering,
218                            needed for subtitles and ass filter [no]
219   --enable-libbluray       enable BluRay reading using libbluray [no]
220   --enable-libbs2b         enable bs2b DSP library [no]
221   --enable-libcaca         enable textual display using libcaca [no]
222   --enable-libcelt         enable CELT decoding via libcelt [no]
223   --enable-libcdio         enable audio CD grabbing with libcdio [no]
224   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
225                            and libraw1394 [no]
226   --enable-libebur128      enable libebur128 for EBU R128 measurement,
227                            needed for loudnorm filter [no]
228   --enable-libfaac         enable AAC encoding via libfaac [no]
229   --enable-libfdk-aac      enable AAC de/encoding via libfdk-aac [no]
230   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
231   --enable-libfontconfig   enable libfontconfig, useful for drawtext filter [no]
232   --enable-libfreetype     enable libfreetype, needed for drawtext filter [no]
233   --enable-libfribidi      enable libfribidi, improves drawtext filter [no]
234   --enable-libgme          enable Game Music Emu via libgme [no]
235   --enable-libgsm          enable GSM de/encoding via libgsm [no]
236   --enable-libiec61883     enable iec61883 via libiec61883 [no]
237   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
238   --enable-libkvazaar      enable HEVC encoding via libkvazaar [no]
239   --enable-libmodplug      enable ModPlug via libmodplug [no]
240   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
241   --enable-libnut          enable NUT (de)muxing via libnut,
242                            native (de)muxer exists [no]
243   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
244   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
245   --enable-libopencv       enable video filtering via libopencv [no]
246   --enable-libopenh264     enable H.264 encoding via OpenH264 [no]
247   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
248   --enable-libopus         enable Opus de/encoding via libopus [no]
249   --enable-libpulse        enable Pulseaudio input via libpulse [no]
250   --enable-librubberband   enable rubberband needed for rubberband filter [no]
251   --enable-librtmp         enable RTMP[E] support via librtmp [no]
252   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
253   --enable-libshine        enable fixed-point MP3 encoding via libshine [no]
254   --enable-libsmbclient    enable Samba protocol via libsmbclient [no]
255   --enable-libsnappy       enable Snappy compression, needed for hap encoding [no]
256   --enable-libsoxr         enable Include libsoxr resampling [no]
257   --enable-libspeex        enable Speex de/encoding via libspeex [no]
258   --enable-libssh          enable SFTP protocol via libssh [no]
259   --enable-libtesseract    enable Tesseract, needed for ocr filter [no]
260   --enable-libtheora       enable Theora encoding via libtheora [no]
261   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
262   --enable-libv4l2         enable libv4l2/v4l-utils [no]
263   --enable-libvidstab      enable video stabilization using vid.stab [no]
264   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
265   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
266                            native implementation exists [no]
267   --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]
268   --enable-libwavpack      enable wavpack encoding via libwavpack [no]
269   --enable-libwebp         enable WebP encoding via libwebp [no]
270   --enable-libx264         enable H.264 encoding via x264 [no]
271   --enable-libx265         enable HEVC encoding via x265 [no]
272   --enable-libxavs         enable AVS encoding via xavs [no]
273   --enable-libxcb          enable X11 grabbing using XCB [autodetect]
274   --enable-libxcb-shm      enable X11 grabbing shm communication [autodetect]
275   --enable-libxcb-xfixes   enable X11 grabbing mouse rendering [autodetect]
276   --enable-libxcb-shape    enable X11 grabbing shape rendering [autodetect]
277   --enable-libxvid         enable Xvid encoding via xvidcore,
278                            native MPEG-4/Xvid encoder exists [no]
279   --enable-libzimg         enable z.lib, needed for zscale filter [no]
280   --enable-libzmq          enable message passing via libzmq [no]
281   --enable-libzvbi         enable teletext support via libzvbi [no]
282   --disable-lzma           disable lzma [autodetect]
283   --enable-decklink        enable Blackmagic DeckLink I/O support [no]
284   --enable-mediacodec      enable Android MediaCodec support [no]
285   --enable-netcdf          enable NetCDF, 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-schannel       disable SChannel SSP, needed for TLS support on
292                            Windows if openssl and gnutls are not used [autodetect]
293   --disable-sdl            disable sdl [autodetect]
294   --disable-securetransport disable Secure Transport, needed for TLS support
295                            on OSX if openssl and gnutls are not used [autodetect]
296   --enable-x11grab         enable X11 grabbing (legacy) [no]
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   --enable-cuda            enable dynamically linked Nvidia CUDA code [no]
303   --enable-cuvid           enable Nvidia CUVID support [autodetect]
304   --disable-d3d11va        disable Microsoft Direct3D 11 video acceleration code [autodetect]
305   --disable-dxva2          disable Microsoft DirectX 9 video acceleration code [autodetect]
306   --enable-libmfx          enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
307   --enable-libnpp          enable Nvidia Performance Primitives-based code [no]
308   --enable-mmal            enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
309   --enable-nvenc           enable Nvidia video encoding code [no]
310   --enable-omx             enable OpenMAX IL code [no]
311   --enable-omx-rpi         enable OpenMAX IL code for Raspberry Pi [no]
312   --disable-vaapi          disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
313   --disable-vda            disable Apple Video Decode Acceleration code [autodetect]
314   --disable-vdpau          disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
315   --disable-videotoolbox   disable VideoToolbox code [autodetect]
316
317 Toolchain options:
318   --arch=ARCH              select architecture [$arch]
319   --cpu=CPU                select the minimum required CPU (affects
320                            instruction selection, may crash on older CPUs)
321   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
322   --progs-suffix=SUFFIX    program name suffix []
323   --enable-cross-compile   assume a cross-compiler is used
324   --sysroot=PATH           root of cross-build tree
325   --sysinclude=PATH        location of cross-build system headers
326   --target-os=OS           compiler targets OS [$target_os]
327   --target-exec=CMD        command to run executables on target
328   --target-path=DIR        path to view of build directory on target
329   --target-samples=DIR     path to samples directory on target
330   --tempprefix=PATH        force fixed dir/prefix instead of mktemp for checks
331   --toolchain=NAME         set tool defaults according to NAME
332   --nm=NM                  use nm tool NM [$nm_default]
333   --ar=AR                  use archive tool AR [$ar_default]
334   --as=AS                  use assembler AS [$as_default]
335   --ln_s=LN_S              use symbolic link tool LN_S [$ln_s_default]
336   --strip=STRIP            use strip tool STRIP [$strip_default]
337   --windres=WINDRES        use windows resource compiler WINDRES [$windres_default]
338   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
339   --cc=CC                  use C compiler CC [$cc_default]
340   --cxx=CXX                use C compiler CXX [$cxx_default]
341   --objcc=OCC              use ObjC compiler OCC [$cc_default]
342   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
343   --ld=LD                  use linker LD [$ld_default]
344   --pkg-config=PKGCONFIG   use pkg-config tool PKGCONFIG [$pkg_config_default]
345   --pkg-config-flags=FLAGS pass additional flags to pkgconf []
346   --ranlib=RANLIB          use ranlib RANLIB [$ranlib_default]
347   --doxygen=DOXYGEN        use DOXYGEN to generate API doc [$doxygen_default]
348   --host-cc=HOSTCC         use host C compiler HOSTCC
349   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
350   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
351   --host-ld=HOSTLD         use host linker HOSTLD
352   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
353   --host-libs=HLIBS        use libs HLIBS when linking for host
354   --host-os=OS             compiler host OS [$target_os]
355   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
356   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
357   --extra-objcflags=FLAGS  add FLAGS to OBJCFLAGS [$CFLAGS]
358   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
359   --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
360   --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
361   --extra-libs=ELIBS       add ELIBS [$ELIBS]
362   --extra-version=STRING   version string suffix []
363   --optflags=OPTFLAGS      override optimization-related compiler flags
364   --build-suffix=SUFFIX    library name suffix []
365   --enable-pic             build position-independent code
366   --enable-thumb           compile for Thumb instruction set
367   --enable-lto             use link-time optimization
368   --env="ENV=override"     override the environment variables
369
370 Advanced options (experts only):
371   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
372   --custom-allocator=NAME  use a supported custom allocator
373   --disable-symver         disable symbol versioning
374   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
375   --disable-safe-bitstream-reader
376                            disable buffer boundary checking in bitreaders
377                            (faster, but may crash)
378   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
379   --sws-max-filter-size=N  the max filter size swscale uses [$sws_max_filter_size_default]
380
381 Optimization options (experts only):
382   --disable-asm            disable all assembly optimizations
383   --disable-altivec        disable AltiVec optimizations
384   --disable-vsx            disable VSX optimizations
385   --disable-power8         disable POWER8 optimizations
386   --disable-amd3dnow       disable 3DNow! optimizations
387   --disable-amd3dnowext    disable 3DNow! extended optimizations
388   --disable-mmx            disable MMX optimizations
389   --disable-mmxext         disable MMXEXT optimizations
390   --disable-sse            disable SSE optimizations
391   --disable-sse2           disable SSE2 optimizations
392   --disable-sse3           disable SSE3 optimizations
393   --disable-ssse3          disable SSSE3 optimizations
394   --disable-sse4           disable SSE4 optimizations
395   --disable-sse42          disable SSE4.2 optimizations
396   --disable-avx            disable AVX optimizations
397   --disable-xop            disable XOP optimizations
398   --disable-fma3           disable FMA3 optimizations
399   --disable-fma4           disable FMA4 optimizations
400   --disable-avx2           disable AVX2 optimizations
401   --disable-aesni          disable AESNI optimizations
402   --disable-armv5te        disable armv5te optimizations
403   --disable-armv6          disable armv6 optimizations
404   --disable-armv6t2        disable armv6t2 optimizations
405   --disable-vfp            disable VFP optimizations
406   --disable-neon           disable NEON optimizations
407   --disable-inline-asm     disable use of inline assembly
408   --disable-yasm           disable use of nasm/yasm assembly
409   --disable-mipsdsp        disable MIPS DSP ASE R1 optimizations
410   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
411   --disable-msa            disable MSA optimizations
412   --disable-mipsfpu        disable floating point MIPS optimizations
413   --disable-mmi            disable Loongson SIMD optimizations
414   --disable-fast-unaligned consider unaligned accesses slow
415
416 Developer options (useful when working on FFmpeg itself):
417   --disable-debug          disable debugging symbols
418   --enable-debug=LEVEL     set the debug level [$debuglevel]
419   --disable-optimizations  disable compiler optimizations
420   --enable-extra-warnings  enable more compiler warnings
421   --disable-stripping      disable stripping of executables and shared libraries
422   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
423                            2 causes a slowdown at runtime.
424   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
425   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
426                            leaks and errors, using the specified valgrind binary.
427                            Cannot be combined with --target-exec
428   --enable-ftrapv          Trap arithmetic overflows
429   --samples=PATH           location of test samples for FATE, if not set use
430                            \$FATE_SAMPLES at make invocation time.
431   --enable-neon-clobber-test check NEON registers for clobbering (should be
432                            used only for debugging purposes)
433   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
434                            should be used only for debugging purposes)
435   --enable-random          randomly enable/disable components
436   --disable-random
437   --enable-random=LIST     randomly enable/disable specific components or
438   --disable-random=LIST    component groups. LIST is a comma-separated list
439                            of NAME[:PROB] entries where NAME is a component
440                            (group) and PROB the probability associated with
441                            NAME (default 0.5).
442   --random-seed=VALUE      seed value for --enable/disable-random
443   --disable-valgrind-backtrace do not print a backtrace under Valgrind
444                            (only applies to --disable-optimizations builds)
445
446 NOTE: Object files are built at the place where configure is launched.
447 EOF
448   exit 0
449 }
450
451 quotes='""'
452 if test -t 1 && which tput >/dev/null 2>&1; then
453     ncolors=$(tput colors)
454     if test -n "$ncolors" && test $ncolors -ge 8; then
455         bold_color=$(tput bold)
456         warn_color=$(tput setaf 3)
457         error_color=$(tput setaf 1)
458         reset_color=$(tput sgr0)
459     fi
460     # 72 used instead of 80 since that's the default of pr
461     ncols=$(tput cols)
462 fi
463 : ${ncols:=72}
464
465 log(){
466     echo "$@" >> $logfile
467 }
468
469 log_file(){
470     log BEGIN $1
471     pr -n -t $1 >> $logfile
472     log END $1
473 }
474
475 warn(){
476     log "WARNING: $*"
477     WARNINGS="${WARNINGS}WARNING: $*\n"
478 }
479
480 die(){
481     log "$@"
482     echo "$error_color$bold_color$@$reset_color"
483     cat <<EOF
484
485 If you think configure made a mistake, make sure you are using the latest
486 version from Git.  If the latest version fails, report the problem to the
487 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
488 EOF
489     if disabled logging; then
490         cat <<EOF
491 Rerun configure with logging enabled (do not use --disable-logging), and
492 include the log this produces with your report.
493 EOF
494     else
495         cat <<EOF
496 Include the log file "$logfile" produced by configure as this will help
497 solve the problem.
498 EOF
499     fi
500     exit 1
501 }
502
503 # Avoid locale weirdness, besides we really just want to translate ASCII.
504 toupper(){
505     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
506 }
507
508 tolower(){
509     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
510 }
511
512 c_escape(){
513     echo "$*" | sed 's/["\\]/\\\0/g'
514 }
515
516 sh_quote(){
517     v=$(echo "$1" | sed "s/'/'\\\\''/g")
518     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
519     echo "$v"
520 }
521
522 cleanws(){
523     echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
524 }
525
526 filter(){
527     pat=$1
528     shift
529     for v; do
530         eval "case $v in $pat) echo $v ;; esac"
531     done
532 }
533
534 filter_out(){
535     pat=$1
536     shift
537     for v; do
538         eval "case $v in $pat) ;; *) echo $v ;; esac"
539     done
540 }
541
542 map(){
543     m=$1
544     shift
545     for v; do eval $m; done
546 }
547
548 add_suffix(){
549     suffix=$1
550     shift
551     for v; do echo ${v}${suffix}; done
552 }
553
554 set_all(){
555     value=$1
556     shift
557     for var in $*; do
558         eval $var=$value
559     done
560 }
561
562 set_weak(){
563     value=$1
564     shift
565     for var; do
566         eval : \${$var:=$value}
567     done
568 }
569
570 sanitize_var_name(){
571     echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
572 }
573
574 set_safe(){
575     var=$1
576     shift
577     eval $(sanitize_var_name "$var")='$*'
578 }
579
580 get_safe(){
581     eval echo \$$(sanitize_var_name "$1")
582 }
583
584 pushvar(){
585     for pvar in $*; do
586         eval level=\${${pvar}_level:=0}
587         eval ${pvar}_${level}="\$$pvar"
588         eval ${pvar}_level=$(($level+1))
589     done
590 }
591
592 popvar(){
593     for pvar in $*; do
594         eval level=\${${pvar}_level:-0}
595         test $level = 0 && continue
596         eval level=$(($level-1))
597         eval $pvar="\${${pvar}_${level}}"
598         eval ${pvar}_level=$level
599         eval unset ${pvar}_${level}
600     done
601 }
602
603 enable(){
604     set_all yes $*
605 }
606
607 disable(){
608     set_all no $*
609 }
610
611 enable_weak(){
612     set_weak yes $*
613 }
614
615 disable_weak(){
616     set_weak no $*
617 }
618
619 enable_safe(){
620     for var; do
621         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
622     done
623 }
624
625 disable_safe(){
626     for var; do
627         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
628     done
629 }
630
631 do_enable_deep(){
632     for var; do
633         enabled $var && continue
634         eval sel="\$${var}_select"
635         eval sgs="\$${var}_suggest"
636         pushvar var sgs
637         enable_deep $sel
638         popvar sgs
639         enable_deep_weak $sgs
640         popvar var
641     done
642 }
643
644 enable_deep(){
645     do_enable_deep $*
646     enable $*
647 }
648
649 enable_deep_weak(){
650     for var; do
651         disabled $var && continue
652         pushvar var
653         do_enable_deep $var
654         popvar var
655         enable_weak $var
656     done
657 }
658
659 enabled(){
660     test "${1#!}" = "$1" && op='=' || op=!=
661     eval test "x\$${1#!}" $op "xyes"
662 }
663
664 disabled(){
665     test "${1#!}" = "$1" && op='=' || op=!=
666     eval test "x\$${1#!}" $op "xno"
667 }
668
669 enabled_all(){
670     for opt; do
671         enabled $opt || return 1
672     done
673 }
674
675 disabled_all(){
676     for opt; do
677         disabled $opt || return 1
678     done
679 }
680
681 enabled_any(){
682     for opt; do
683         enabled $opt && return 0
684     done
685 }
686
687 disabled_any(){
688     for opt; do
689         disabled $opt && return 0
690     done
691     return 1
692 }
693
694 set_default(){
695     for opt; do
696         eval : \${$opt:=\$${opt}_default}
697     done
698 }
699
700 is_in(){
701     value=$1
702     shift
703     for var in $*; do
704         [ $var = $value ] && return 0
705     done
706     return 1
707 }
708
709 do_check_deps(){
710     for cfg; do
711         cfg="${cfg#!}"
712         enabled ${cfg}_checking && die "Circular dependency for $cfg."
713         disabled ${cfg}_checking && continue
714         enable ${cfg}_checking
715         append allopts $cfg
716
717         eval dep_all="\$${cfg}_deps"
718         eval dep_any="\$${cfg}_deps_any"
719         eval dep_sel="\$${cfg}_select"
720         eval dep_sgs="\$${cfg}_suggest"
721         eval dep_ifa="\$${cfg}_if"
722         eval dep_ifn="\$${cfg}_if_any"
723
724         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
725         do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
726         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
727
728         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
729         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
730         enabled_all  $dep_all || disable $cfg
731         enabled_any  $dep_any || disable $cfg
732         disabled_any $dep_sel && disable $cfg
733
734         if enabled $cfg; then
735             enable_deep $dep_sel
736             enable_deep_weak $dep_sgs
737         fi
738
739         disable ${cfg}_checking
740     done
741 }
742
743 check_deps(){
744     unset allopts
745
746     do_check_deps "$@"
747
748     for cfg in $allopts; do
749         enabled $cfg || continue
750         eval dep_extralibs="\$${cfg}_extralibs"
751         test -n "$dep_extralibs" && add_extralibs $dep_extralibs
752     done
753 }
754
755 print_config(){
756     pfx=$1
757     files=$2
758     shift 2
759     map 'eval echo "$v \${$v:-no}"' "$@" |
760     awk "BEGIN { split(\"$files\", files) }
761         {
762             c = \"$pfx\" toupper(\$1);
763             v = \$2;
764             sub(/yes/, 1, v);
765             sub(/no/,  0, v);
766             for (f in files) {
767                 file = files[f];
768                 if (file ~ /\\.h\$/) {
769                     printf(\"#define %s %d\\n\", c, v) >>file;
770                 } else if (file ~ /\\.asm\$/) {
771                     printf(\"%%define %s %d\\n\", c, v) >>file;
772                 } else if (file ~ /\\.mak\$/) {
773                     n = -v ? \"\" : \"!\";
774                     printf(\"%s%s=yes\\n\", n, c) >>file;
775                 } else if (file ~ /\\.texi\$/) {
776                     pre = -v ? \"\" : \"@c \";
777                     yesno = \$2;
778                     c2 = tolower(c);
779                     gsub(/_/, \"-\", c2);
780                     printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
781                 }
782             }
783         }"
784 }
785
786 print_enabled(){
787     suf=$1
788     shift
789     for v; do
790         enabled $v && printf "%s\n" ${v%$suf}
791     done
792 }
793
794 append(){
795     var=$1
796     shift
797     eval "$var=\"\$$var $*\""
798 }
799
800 prepend(){
801     var=$1
802     shift
803     eval "$var=\"$* \$$var\""
804 }
805
806 unique(){
807     var=$1
808     uniq_list=""
809     for tok in $(eval echo \$$var); do
810         uniq_list="$(filter_out $tok $uniq_list) $tok"
811     done
812     eval "$var=\"${uniq_list}\""
813 }
814
815 add_cppflags(){
816     append CPPFLAGS "$@"
817 }
818
819 add_cflags(){
820     append CFLAGS $($cflags_filter "$@")
821 }
822
823 add_cxxflags(){
824     append CXXFLAGS $($cflags_filter "$@")
825 }
826
827 add_asflags(){
828     append ASFLAGS $($asflags_filter "$@")
829 }
830
831 add_objcflags(){
832     append OBJCFLAGS $($objcflags_filter "$@")
833 }
834
835 add_ldflags(){
836     append LDFLAGS $($ldflags_filter "$@")
837 }
838
839 add_ldexeflags(){
840     append LDEXEFLAGS $($ldflags_filter "$@")
841 }
842
843 add_ldlibflags(){
844     append LDLIBFLAGS $($ldflags_filter "$@")
845 }
846
847 add_stripflags(){
848     append ASMSTRIPFLAGS "$@"
849 }
850
851 add_extralibs(){
852     prepend extralibs $($ldflags_filter "$@")
853 }
854
855 add_host_cppflags(){
856     append host_cppflags "$@"
857 }
858
859 add_host_cflags(){
860     append host_cflags $($host_cflags_filter "$@")
861 }
862
863 add_host_ldflags(){
864     append host_ldflags $($host_ldflags_filter "$@")
865 }
866
867 add_compat(){
868     append compat_objs $1
869     shift
870     map 'add_cppflags -D$v' "$@"
871 }
872
873 check_cmd(){
874     log "$@"
875     "$@" >> $logfile 2>&1
876 }
877
878 check_stat(){
879     log check_stat "$@"
880     stat "$1" >> $logfile 2>&1
881 }
882
883 cc_o(){
884     eval printf '%s\\n' $CC_O
885 }
886
887 cc_e(){
888     eval printf '%s\\n' $CC_E
889 }
890
891 check_cc(){
892     log check_cc "$@"
893     cat > $TMPC
894     log_file $TMPC
895     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
896 }
897
898 check_cxx(){
899     log check_cxx "$@"
900     cat > $TMPCPP
901     log_file $TMPCPP
902     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
903 }
904
905 check_objcc(){
906     log check_objcc "$@"
907     cat > $TMPM
908     log_file $TMPM
909     check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
910 }
911
912 check_cpp(){
913     log check_cpp "$@"
914     cat > $TMPC
915     log_file $TMPC
916     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
917 }
918
919 as_o(){
920     eval printf '%s\\n' $AS_O
921 }
922
923 check_as(){
924     log check_as "$@"
925     cat > $TMPS
926     log_file $TMPS
927     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
928 }
929
930 check_inline_asm(){
931     log check_inline_asm "$@"
932     name="$1"
933     code="$2"
934     shift 2
935     disable $name
936     check_cc "$@" <<EOF && enable $name
937 void foo(void){ __asm__ volatile($code); }
938 EOF
939 }
940
941 check_inline_asm_flags(){
942     log check_inline_asm_flags "$@"
943     name="$1"
944     code="$2"
945     flags=''
946     shift 2
947     while [ "$1" != "" ]; do
948       append flags $1
949       shift
950     done;
951     disable $name
952     cat > $TMPC <<EOF
953 void foo(void){ __asm__ volatile($code); }
954 EOF
955     log_file $TMPC
956     check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
957     enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
958 }
959
960 check_insn(){
961     log check_insn "$@"
962     check_inline_asm ${1}_inline "\"$2\""
963     echo "$2" | check_as && enable ${1}_external || disable ${1}_external
964 }
965
966 check_yasm(){
967     log check_yasm "$@"
968     echo "$1" > $TMPS
969     log_file $TMPS
970     shift 1
971     check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
972 }
973
974 ld_o(){
975     eval printf '%s\\n' $LD_O
976 }
977
978 check_ld(){
979     log check_ld "$@"
980     type=$1
981     shift 1
982     flags=$(filter_out '-l*|*.so' $@)
983     libs=$(filter '-l*|*.so' $@)
984     check_$type $($cflags_filter $flags) || return
985     flags=$($ldflags_filter $flags)
986     libs=$($ldflags_filter $libs)
987     check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
988 }
989
990 print_include(){
991     hdr=$1
992     test "${hdr%.h}" = "${hdr}" &&
993         echo "#include $hdr"    ||
994         echo "#include <$hdr>"
995 }
996
997 check_code(){
998     log check_code "$@"
999     check=$1
1000     headers=$2
1001     code=$3
1002     shift 3
1003     {
1004         for hdr in $headers; do
1005             print_include $hdr
1006         done
1007         echo "int main(void) { $code; return 0; }"
1008     } | check_$check "$@"
1009 }
1010
1011 check_cppflags(){
1012     log check_cppflags "$@"
1013     check_cc "$@" <<EOF && append CPPFLAGS "$@"
1014 int x;
1015 EOF
1016 }
1017
1018 test_cflags(){
1019     log test_cflags "$@"
1020     set -- $($cflags_filter "$@")
1021     check_cc "$@" <<EOF
1022 int x;
1023 EOF
1024 }
1025
1026 check_cflags(){
1027     log check_cflags "$@"
1028     test_cflags "$@" && add_cflags "$@"
1029 }
1030
1031 check_cxxflags(){
1032     log check_cxxflags "$@"
1033     set -- $($cflags_filter "$@")
1034     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1035 int x;
1036 EOF
1037 }
1038
1039 test_objcflags(){
1040     log test_cflags "$@"
1041     set -- $($cflags_filter "$@")
1042     check_objcc "$@" <<EOF
1043 int x;
1044 EOF
1045 }
1046
1047 check_objcflags(){
1048     log check_cflags "$@"
1049     test_objcflags "$@" && add_objcflags "$@"
1050 }
1051
1052 test_ldflags(){
1053     log test_ldflags "$@"
1054     check_ld "cc" "$@" <<EOF
1055 int main(void){ return 0; }
1056 EOF
1057 }
1058
1059 check_ldflags(){
1060     log check_ldflags "$@"
1061     test_ldflags "$@" && add_ldflags "$@"
1062 }
1063
1064 test_stripflags(){
1065     log test_stripflags "$@"
1066     # call check_cc to get a fresh TMPO
1067     check_cc <<EOF
1068 int main(void) { return 0; }
1069 EOF
1070     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1071 }
1072
1073 check_stripflags(){
1074     log check_stripflags "$@"
1075     test_stripflags "$@" && add_stripflags "$@"
1076 }
1077
1078 check_header(){
1079     log check_header "$@"
1080     header=$1
1081     shift
1082     disable_safe $header
1083     check_cpp "$@" <<EOF && enable_safe $header
1084 #include <$header>
1085 int x;
1086 EOF
1087 }
1088
1089 check_header_objcc(){
1090     log check_header_objcc "$@"
1091     rm -f -- "$TMPO"
1092     header=$1
1093     shift
1094     disable_safe $header
1095     {
1096        echo "#include <$header>"
1097        echo "int main(void) { return 0; }"
1098     } | check_objcc && check_stat "$TMPO" && enable_safe $headers
1099 }
1100
1101 check_func(){
1102     log check_func "$@"
1103     func=$1
1104     shift
1105     disable $func
1106     check_ld "cc" "$@" <<EOF && enable $func
1107 extern int $func();
1108 int main(void){ $func(); }
1109 EOF
1110 }
1111
1112 check_complexfunc(){
1113     log check_complexfunc "$@"
1114     func=$1
1115     narg=$2
1116     shift 2
1117     test $narg = 2 && args="f, g" || args="f * I"
1118     disable $func
1119     check_ld "cc" "$@" <<EOF && enable $func
1120 #include <complex.h>
1121 #include <math.h>
1122 float foo(complex float f, complex float g) { return $func($args); }
1123 int main(void){ return (int) foo; }
1124 EOF
1125 }
1126
1127 check_mathfunc(){
1128     log check_mathfunc "$@"
1129     func=$1
1130     narg=$2
1131     shift 2
1132     test $narg = 2 && args="f, g" || args="f"
1133     disable $func
1134     check_ld "cc" "$@" <<EOF && enable $func
1135 #include <math.h>
1136 float foo(float f, float g) { return $func($args); }
1137 int main(void){ return (int) foo; }
1138 EOF
1139 }
1140
1141 check_func_headers(){
1142     log check_func_headers "$@"
1143     headers=$1
1144     funcs=$2
1145     shift 2
1146     {
1147         for hdr in $headers; do
1148             print_include $hdr
1149         done
1150         for func in $funcs; do
1151             echo "long check_$func(void) { return (long) $func; }"
1152         done
1153         echo "int main(void) { return 0; }"
1154     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1155 }
1156
1157 check_class_headers_cpp(){
1158     log check_class_headers_cpp "$@"
1159     headers=$1
1160     classes=$2
1161     shift 2
1162     {
1163         for hdr in $headers; do
1164             echo "#include <$hdr>"
1165         done
1166         echo "int main(void) { "
1167         i=1
1168         for class in $classes; do
1169             echo "$class obj$i;"
1170             i=$(expr $i + 1)
1171         done
1172         echo "return 0; }"
1173     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1174 }
1175
1176 check_cpp_condition(){
1177     log check_cpp_condition "$@"
1178     header=$1
1179     condition=$2
1180     shift 2
1181     check_cpp "$@" <<EOF
1182 #include <$header>
1183 #if !($condition)
1184 #error "unsatisfied condition: $condition"
1185 #endif
1186 EOF
1187 }
1188
1189 check_lib(){
1190     log check_lib "$@"
1191     header="$1"
1192     func="$2"
1193     shift 2
1194     check_header $header && check_func $func "$@" && add_extralibs "$@"
1195 }
1196
1197 check_lib2(){
1198     log check_lib2 "$@"
1199     headers="$1"
1200     funcs="$2"
1201     shift 2
1202     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1203 }
1204
1205 check_lib_cpp(){
1206     log check_lib_cpp "$@"
1207     headers="$1"
1208     classes="$2"
1209     shift 2
1210     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1211 }
1212
1213 check_pkg_config(){
1214     log check_pkg_config "$@"
1215     pkgandversion="$1"
1216     pkg="${1%% *}"
1217     headers="$2"
1218     funcs="$3"
1219     shift 3
1220     check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1221     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1222     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1223     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1224         set_safe "${pkg}_cflags" $pkg_cflags   &&
1225         set_safe "${pkg}_libs"   $pkg_libs
1226 }
1227
1228 check_exec(){
1229     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1230 }
1231
1232 check_exec_crash(){
1233     code=$(cat)
1234
1235     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
1236     # are safe but may not be available everywhere.  Thus we use
1237     # raise(SIGTERM) instead.  The check is run in a subshell so we
1238     # can redirect the "Terminated" message from the shell.  SIGBUS
1239     # is not defined by standard C so it is used conditionally.
1240
1241     (check_exec "$@") >> $logfile 2>&1 <<EOF
1242 #include <signal.h>
1243 static void sighandler(int sig){
1244     raise(SIGTERM);
1245 }
1246 int foo(void){
1247     $code
1248 }
1249 int (*func_ptr)(void) = foo;
1250 int main(void){
1251     signal(SIGILL, sighandler);
1252     signal(SIGFPE, sighandler);
1253     signal(SIGSEGV, sighandler);
1254 #ifdef SIGBUS
1255     signal(SIGBUS, sighandler);
1256 #endif
1257     return func_ptr();
1258 }
1259 EOF
1260 }
1261
1262 check_type(){
1263     log check_type "$@"
1264     headers=$1
1265     type=$2
1266     shift 2
1267     disable_safe "$type"
1268     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1269 }
1270
1271 check_struct(){
1272     log check_struct "$@"
1273     headers=$1
1274     struct=$2
1275     member=$3
1276     shift 3
1277     disable_safe "${struct}_${member}"
1278     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1279         enable_safe "${struct}_${member}"
1280 }
1281
1282 check_builtin(){
1283     log check_builtin "$@"
1284     name=$1
1285     headers=$2
1286     builtin=$3
1287     shift 3
1288     disable "$name"
1289     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1290 }
1291
1292 check_compile_assert(){
1293     log check_compile_assert "$@"
1294     name=$1
1295     headers=$2
1296     condition=$3
1297     shift 3
1298     disable "$name"
1299     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1300 }
1301
1302 require(){
1303     name="$1"
1304     header="$2"
1305     func="$3"
1306     shift 3
1307     check_lib $header $func "$@" || die "ERROR: $name not found"
1308 }
1309
1310 require2(){
1311     name="$1"
1312     headers="$2"
1313     func="$3"
1314     shift 3
1315     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1316 }
1317
1318 require_cpp(){
1319     name="$1"
1320     headers="$2"
1321     classes="$3"
1322     shift 3
1323     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1324 }
1325
1326 use_pkg_config(){
1327     pkg="$1"
1328     check_pkg_config "$@" || return 1
1329     add_cflags    $(get_safe "${pkg}_cflags")
1330     add_extralibs $(get_safe "${pkg}_libs")
1331 }
1332
1333 require_pkg_config(){
1334     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1335 }
1336
1337 require_libfreetype(){
1338     log require_libfreetype "$@"
1339     pkg="freetype2"
1340     check_cmd $pkg_config --exists --print-errors $pkg \
1341       || die "ERROR: $pkg not found"
1342     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1343     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1344     {
1345         echo "#include <ft2build.h>"
1346         echo "#include FT_FREETYPE_H"
1347         echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1348         echo "int main(void) { return 0; }"
1349     } | check_ld "cc" $pkg_cflags $pkg_libs \
1350       && set_safe "${pkg}_cflags" $pkg_cflags \
1351       && set_safe "${pkg}_libs"   $pkg_libs \
1352       || die "ERROR: $pkg not found"
1353     add_cflags    $(get_safe "${pkg}_cflags")
1354     add_extralibs $(get_safe "${pkg}_libs")
1355 }
1356
1357 hostcc_e(){
1358     eval printf '%s\\n' $HOSTCC_E
1359 }
1360
1361 hostcc_o(){
1362     eval printf '%s\\n' $HOSTCC_O
1363 }
1364
1365 check_host_cc(){
1366     log check_host_cc "$@"
1367     cat > $TMPC
1368     log_file $TMPC
1369     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1370 }
1371
1372 check_host_cpp(){
1373     log check_host_cpp "$@"
1374     cat > $TMPC
1375     log_file $TMPC
1376     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1377 }
1378
1379 check_host_cppflags(){
1380     log check_host_cppflags "$@"
1381     check_host_cc "$@" <<EOF && append host_cppflags "$@"
1382 int x;
1383 EOF
1384 }
1385
1386 check_host_cflags(){
1387     log check_host_cflags "$@"
1388     set -- $($host_cflags_filter "$@")
1389     check_host_cc "$@" <<EOF && append host_cflags "$@"
1390 int x;
1391 EOF
1392 }
1393
1394 check_host_cpp_condition(){
1395     log check_host_cpp_condition "$@"
1396     header=$1
1397     condition=$2
1398     shift 2
1399     check_host_cpp "$@" <<EOF
1400 #include <$header>
1401 #if !($condition)
1402 #error "unsatisfied condition: $condition"
1403 #endif
1404 EOF
1405 }
1406
1407 cp_if_changed(){
1408     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1409     mkdir -p "$(dirname $2)"
1410     $cp_f "$1" "$2"
1411 }
1412
1413 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1414 # system-dependent things.
1415
1416 AVCODEC_COMPONENTS="
1417     bsfs
1418     decoders
1419     encoders
1420     hwaccels
1421     parsers
1422 "
1423
1424 AVDEVICE_COMPONENTS="
1425     indevs
1426     outdevs
1427 "
1428 AVFILTER_COMPONENTS="
1429     filters
1430 "
1431 AVFORMAT_COMPONENTS="
1432     demuxers
1433     muxers
1434     protocols
1435 "
1436
1437 AVRESAMPLE_COMPONENTS=""
1438 AVUTIL_COMPONENTS=""
1439
1440 COMPONENT_LIST="
1441     $AVCODEC_COMPONENTS
1442     $AVDEVICE_COMPONENTS
1443     $AVFILTER_COMPONENTS
1444     $AVFORMAT_COMPONENTS
1445     $AVRESAMPLE_COMPONENTS
1446     $AVUTIL_COMPONENTS
1447 "
1448
1449 EXAMPLE_LIST="
1450     avio_reading_example
1451     avio_dir_cmd_example
1452     decoding_encoding_example
1453     demuxing_decoding_example
1454     extract_mvs_example
1455     filter_audio_example
1456     filtering_audio_example
1457     filtering_video_example
1458     metadata_example
1459     muxing_example
1460     qsvdec_example
1461     remuxing_example
1462     resampling_audio_example
1463     scaling_video_example
1464     transcode_aac_example
1465     transcoding_example
1466 "
1467
1468 EXTERNAL_LIBRARY_LIST="
1469     avisynth
1470     bzlib
1471     chromaprint
1472     crystalhd
1473     decklink
1474     frei0r
1475     gcrypt
1476     gmp
1477     gnutls
1478     iconv
1479     jni
1480     ladspa
1481     libass
1482     libbluray
1483     libbs2b
1484     libcaca
1485     libcdio
1486     libcelt
1487     libdc1394
1488     libebur128
1489     libfaac
1490     libfdk_aac
1491     libflite
1492     libfontconfig
1493     libfreetype
1494     libfribidi
1495     libgme
1496     libgsm
1497     libiec61883
1498     libilbc
1499     libkvazaar
1500     libmodplug
1501     libmp3lame
1502     libnut
1503     libopencore_amrnb
1504     libopencore_amrwb
1505     libopencv
1506     libopenh264
1507     libopenjpeg
1508     libopus
1509     libpulse
1510     librtmp
1511     librubberband
1512     libschroedinger
1513     libshine
1514     libsmbclient
1515     libsnappy
1516     libsoxr
1517     libspeex
1518     libssh
1519     libtesseract
1520     libtheora
1521     libtwolame
1522     libv4l2
1523     libvidstab
1524     libvo_amrwbenc
1525     libvorbis
1526     libvpx
1527     libwavpack
1528     libwebp
1529     libx264
1530     libx265
1531     libxavs
1532     libxcb
1533     libxcb_shm
1534     libxcb_shape
1535     libxcb_xfixes
1536     libxvid
1537     libzimg
1538     libzmq
1539     libzvbi
1540     lzma
1541     mediacodec
1542     netcdf
1543     openal
1544     opencl
1545     opengl
1546     openssl
1547     schannel
1548     sdl
1549     securetransport
1550     videotoolbox
1551     x11grab
1552     xlib
1553     zlib
1554 "
1555
1556 HWACCEL_LIBRARY_LIST="
1557     audiotoolbox
1558     cuda
1559     cuvid
1560     d3d11va
1561     dxva2
1562     libmfx
1563     libnpp
1564     mmal
1565     nvenc
1566     omx
1567     vaapi
1568     vda
1569     vdpau
1570     videotoolbox_hwaccel
1571     xvmc
1572 "
1573
1574 DOCUMENT_LIST="
1575     doc
1576     htmlpages
1577     manpages
1578     podpages
1579     txtpages
1580 "
1581
1582 FEATURE_LIST="
1583     ftrapv
1584     gray
1585     hardcoded_tables
1586     omx_rpi
1587     runtime_cpudetect
1588     safe_bitstream_reader
1589     shared
1590     small
1591     static
1592     swscale_alpha
1593 "
1594
1595 LIBRARY_LIST="
1596     avcodec
1597     avdevice
1598     avfilter
1599     avformat
1600     avresample
1601     avutil
1602     postproc
1603     swresample
1604     swscale
1605 "
1606
1607 LICENSE_LIST="
1608     gpl
1609     nonfree
1610     version3
1611 "
1612
1613 PROGRAM_LIST="
1614     ffplay
1615     ffprobe
1616     ffserver
1617     ffmpeg
1618 "
1619
1620 SUBSYSTEM_LIST="
1621     dct
1622     dwt
1623     error_resilience
1624     faan
1625     fast_unaligned
1626     fft
1627     lsp
1628     lzo
1629     mdct
1630     pixelutils
1631     network
1632     rdft
1633 "
1634
1635 CONFIG_LIST="
1636     $COMPONENT_LIST
1637     $DOCUMENT_LIST
1638     $EXAMPLE_LIST
1639     $EXTERNAL_LIBRARY_LIST
1640     $HWACCEL_LIBRARY_LIST
1641     $FEATURE_LIST
1642     $LICENSE_LIST
1643     $LIBRARY_LIST
1644     $PROGRAM_LIST
1645     $SUBSYSTEM_LIST
1646     fontconfig
1647     incompatible_libav_abi
1648     memalign_hack
1649     memory_poisoning
1650     neon_clobber_test
1651     pic
1652     pod2man
1653     raise_major
1654     thumb
1655     valgrind_backtrace
1656     xmm_clobber_test
1657 "
1658
1659 THREADS_LIST="
1660     pthreads
1661     os2threads
1662     w32threads
1663 "
1664
1665 ATOMICS_LIST="
1666     atomics_gcc
1667     atomics_suncc
1668     atomics_win32
1669 "
1670
1671 ARCH_LIST="
1672     aarch64
1673     alpha
1674     arm
1675     avr32
1676     avr32_ap
1677     avr32_uc
1678     bfin
1679     ia64
1680     m68k
1681     mips
1682     mips64
1683     parisc
1684     ppc
1685     ppc64
1686     s390
1687     sh4
1688     sparc
1689     sparc64
1690     tilegx
1691     tilepro
1692     tomi
1693     x86
1694     x86_32
1695     x86_64
1696 "
1697
1698 ARCH_EXT_LIST_ARM="
1699     armv5te
1700     armv6
1701     armv6t2
1702     armv8
1703     neon
1704     vfp
1705     vfpv3
1706     setend
1707 "
1708
1709 ARCH_EXT_LIST_MIPS="
1710     mipsfpu
1711     mips32r2
1712     mips32r5
1713     mips64r2
1714     mips32r6
1715     mips64r6
1716     mipsdsp
1717     mipsdspr2
1718     msa
1719 "
1720
1721 ARCH_EXT_LIST_LOONGSON="
1722     loongson2
1723     loongson3
1724     mmi
1725 "
1726
1727 ARCH_EXT_LIST_X86_SIMD="
1728     aesni
1729     amd3dnow
1730     amd3dnowext
1731     avx
1732     avx2
1733     fma3
1734     fma4
1735     mmx
1736     mmxext
1737     sse
1738     sse2
1739     sse3
1740     sse4
1741     sse42
1742     ssse3
1743     xop
1744 "
1745
1746 ARCH_EXT_LIST_PPC="
1747     altivec
1748     dcbzl
1749     ldbrx
1750     power8
1751     ppc4xx
1752     vsx
1753 "
1754
1755 ARCH_EXT_LIST_X86="
1756     $ARCH_EXT_LIST_X86_SIMD
1757     cpunop
1758     i686
1759 "
1760
1761 ARCH_EXT_LIST="
1762     $ARCH_EXT_LIST_ARM
1763     $ARCH_EXT_LIST_PPC
1764     $ARCH_EXT_LIST_X86
1765     $ARCH_EXT_LIST_MIPS
1766     $ARCH_EXT_LIST_LOONGSON
1767 "
1768
1769 ARCH_FEATURES="
1770     aligned_stack
1771     fast_64bit
1772     fast_clz
1773     fast_cmov
1774     local_aligned_8
1775     local_aligned_16
1776     local_aligned_32
1777     simd_align_16
1778 "
1779
1780 BUILTIN_LIST="
1781     atomic_cas_ptr
1782     atomic_compare_exchange
1783     machine_rw_barrier
1784     MemoryBarrier
1785     mm_empty
1786     rdtsc
1787     sarestart
1788     sem_timedwait
1789     sync_val_compare_and_swap
1790 "
1791 HAVE_LIST_CMDLINE="
1792     inline_asm
1793     symver
1794     yasm
1795 "
1796
1797 HAVE_LIST_PUB="
1798     bigendian
1799     fast_unaligned
1800     incompatible_libav_abi
1801 "
1802
1803 HEADERS_LIST="
1804     alsa_asoundlib_h
1805     altivec_h
1806     arpa_inet_h
1807     asm_types_h
1808     cdio_paranoia_h
1809     cdio_paranoia_paranoia_h
1810     dispatch_dispatch_h
1811     dev_bktr_ioctl_bt848_h
1812     dev_bktr_ioctl_meteor_h
1813     dev_ic_bt8xx_h
1814     dev_video_bktr_ioctl_bt848_h
1815     dev_video_meteor_ioctl_meteor_h
1816     direct_h
1817     dirent_h
1818     dlfcn_h
1819     d3d11_h
1820     dxva_h
1821     ES2_gl_h
1822     gsm_h
1823     io_h
1824     mach_mach_time_h
1825     machine_ioctl_bt848_h
1826     machine_ioctl_meteor_h
1827     malloc_h
1828     opencv2_core_core_c_h
1829     openjpeg_2_1_openjpeg_h
1830     openjpeg_2_0_openjpeg_h
1831     openjpeg_1_5_openjpeg_h
1832     OpenGL_gl3_h
1833     poll_h
1834     sndio_h
1835     soundcard_h
1836     sys_mman_h
1837     sys_param_h
1838     sys_resource_h
1839     sys_select_h
1840     sys_soundcard_h
1841     sys_time_h
1842     sys_un_h
1843     sys_videoio_h
1844     termios_h
1845     udplite_h
1846     unistd_h
1847     valgrind_valgrind_h
1848     windows_h
1849     winsock2_h
1850 "
1851
1852 INTRINSICS_LIST="
1853     intrinsics_neon
1854 "
1855
1856 COMPLEX_FUNCS="
1857     cabs
1858     cexp
1859 "
1860
1861 MATH_FUNCS="
1862     atanf
1863     atan2f
1864     cbrt
1865     cbrtf
1866     copysign
1867     cosf
1868     erf
1869     exp2
1870     exp2f
1871     expf
1872     hypot
1873     isfinite
1874     isinf
1875     isnan
1876     ldexpf
1877     llrint
1878     llrintf
1879     log2
1880     log2f
1881     log10f
1882     lrint
1883     lrintf
1884     powf
1885     rint
1886     round
1887     roundf
1888     sinf
1889     trunc
1890     truncf
1891 "
1892
1893 SYSTEM_FUNCS="
1894     access
1895     aligned_malloc
1896     arc4random
1897     clock_gettime
1898     closesocket
1899     CommandLineToArgvW
1900     CoTaskMemFree
1901     CryptGenRandom
1902     dlopen
1903     fcntl
1904     flt_lim
1905     fork
1906     getaddrinfo
1907     gethrtime
1908     getopt
1909     GetProcessAffinityMask
1910     GetProcessMemoryInfo
1911     GetProcessTimes
1912     getrusage
1913     GetSystemTimeAsFileTime
1914     gettimeofday
1915     glob
1916     glXGetProcAddress
1917     gmtime_r
1918     inet_aton
1919     isatty
1920     jack_port_get_latency_range
1921     kbhit
1922     localtime_r
1923     lstat
1924     lzo1x_999_compress
1925     mach_absolute_time
1926     MapViewOfFile
1927     memalign
1928     mkstemp
1929     mmap
1930     mprotect
1931     nanosleep
1932     PeekNamedPipe
1933     posix_memalign
1934     pthread_cancel
1935     sched_getaffinity
1936     SetConsoleTextAttribute
1937     SetConsoleCtrlHandler
1938     setmode
1939     setrlimit
1940     Sleep
1941     strerror_r
1942     sysconf
1943     sysctl
1944     usleep
1945     UTGetOSTypeFromString
1946     VirtualAlloc
1947     wglGetProcAddress
1948 "
1949
1950 TOOLCHAIN_FEATURES="
1951     as_dn_directive
1952     as_func
1953     as_object_arch
1954     asm_mod_q
1955     attribute_may_alias
1956     attribute_packed
1957     ebp_available
1958     ebx_available
1959     gnu_as
1960     gnu_windres
1961     ibm_asm
1962     inline_asm_direct_symbol_refs
1963     inline_asm_labels
1964     inline_asm_nonlocal_labels
1965     pragma_deprecated
1966     rsync_contimeout
1967     symver_asm_label
1968     symver_gnu_asm
1969     vfp_args
1970     xform_asm
1971     xmm_clobbers
1972 "
1973
1974 TYPES_LIST="
1975     CONDITION_VARIABLE_Ptr
1976     socklen_t
1977     struct_addrinfo
1978     struct_group_source_req
1979     struct_ip_mreq_source
1980     struct_ipv6_mreq
1981     struct_msghdr_msg_flags
1982     struct_pollfd
1983     struct_rusage_ru_maxrss
1984     struct_sctp_event_subscribe
1985     struct_sockaddr_in6
1986     struct_sockaddr_sa_len
1987     struct_sockaddr_storage
1988     struct_stat_st_mtim_tv_nsec
1989     struct_v4l2_frmivalenum_discrete
1990 "
1991
1992 HAVE_LIST="
1993     $ARCH_EXT_LIST
1994     $(add_suffix _external $ARCH_EXT_LIST)
1995     $(add_suffix _inline   $ARCH_EXT_LIST)
1996     $ARCH_FEATURES
1997     $ATOMICS_LIST
1998     $BUILTIN_LIST
1999     $COMPLEX_FUNCS
2000     $HAVE_LIST_CMDLINE
2001     $HAVE_LIST_PUB
2002     $HEADERS_LIST
2003     $INTRINSICS_LIST
2004     $MATH_FUNCS
2005     $SYSTEM_FUNCS
2006     $THREADS_LIST
2007     $TOOLCHAIN_FEATURES
2008     $TYPES_LIST
2009     atomics_native
2010     dos_paths
2011     dxva2_lib
2012     dxva2api_cobj
2013     libc_msvcrt
2014     libdc1394_1
2015     libdc1394_2
2016     makeinfo
2017     makeinfo_html
2018     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2019     perl
2020     pod2man
2021     sdl
2022     section_data_rel_ro
2023     texi2html
2024     threads
2025     vaapi_drm
2026     vaapi_x11
2027     vdpau_x11
2028     winrt
2029     xlib
2030 "
2031
2032 # options emitted with CONFIG_ prefix but not available on the command line
2033 CONFIG_EXTRA="
2034     aandcttables
2035     ac3dsp
2036     audio_frame_queue
2037     audiodsp
2038     blockdsp
2039     bswapdsp
2040     cabac
2041     dirac_parse
2042     dvprofile
2043     exif
2044     faandct
2045     faanidct
2046     fdctdsp
2047     flacdsp
2048     fmtconvert
2049     frame_thread_encoder
2050     g722dsp
2051     golomb
2052     gplv3
2053     h263dsp
2054     h264chroma
2055     h264dsp
2056     h264pred
2057     h264qpel
2058     hpeldsp
2059     huffman
2060     huffyuvdsp
2061     huffyuvencdsp
2062     idctdsp
2063     iirfilter
2064     imdct15
2065     intrax8
2066     iso_media
2067     ividsp
2068     jpegtables
2069     lgplv3
2070     libx262
2071     llauddsp
2072     llviddsp
2073     lpc
2074     lzf
2075     me_cmp
2076     mpeg_er
2077     mpegaudio
2078     mpegaudiodsp
2079     mpegvideo
2080     mpegvideoenc
2081     mss34dsp
2082     pixblockdsp
2083     qpeldsp
2084     qsv
2085     qsvdec
2086     qsvenc
2087     rangecoder
2088     riffdec
2089     riffenc
2090     rtpdec
2091     rtpenc_chain
2092     rv34dsp
2093     sinewin
2094     snappy
2095     srtp
2096     startcode
2097     texturedsp
2098     texturedspenc
2099     tpeldsp
2100     vaapi_encode
2101     vc1dsp
2102     videodsp
2103     vp3dsp
2104     vp56dsp
2105     vp8dsp
2106     vt_bt2020
2107     wma_freqs
2108     wmv2dsp
2109 "
2110
2111 CMDLINE_SELECT="
2112     $ARCH_EXT_LIST
2113     $CONFIG_LIST
2114     $HAVE_LIST_CMDLINE
2115     $THREADS_LIST
2116     asm
2117     cross_compile
2118     debug
2119     extra_warnings
2120     logging
2121     lto
2122     optimizations
2123     rpath
2124     stripping
2125 "
2126
2127 PATHS_LIST="
2128     bindir
2129     datadir
2130     docdir
2131     incdir
2132     libdir
2133     mandir
2134     pkgconfigdir
2135     prefix
2136     shlibdir
2137     install_name_dir
2138 "
2139
2140 CMDLINE_SET="
2141     $PATHS_LIST
2142     ar
2143     arch
2144     as
2145     assert_level
2146     build_suffix
2147     cc
2148     objcc
2149     cpu
2150     cross_prefix
2151     custom_allocator
2152     cxx
2153     dep_cc
2154     doxygen
2155     env
2156     extra_version
2157     gas
2158     host_cc
2159     host_cflags
2160     host_ld
2161     host_ldflags
2162     host_libs
2163     host_os
2164     install
2165     ld
2166     ln_s
2167     logfile
2168     malloc_prefix
2169     nm
2170     optflags
2171     pkg_config
2172     pkg_config_flags
2173     progs_suffix
2174     random_seed
2175     ranlib
2176     samples
2177     strip
2178     sws_max_filter_size
2179     sysinclude
2180     sysroot
2181     target_exec
2182     target_os
2183     target_path
2184     target_samples
2185     tempprefix
2186     toolchain
2187     valgrind
2188     yasmexe
2189 "
2190
2191 CMDLINE_APPEND="
2192     extra_cflags
2193     extra_cxxflags
2194     extra_objcflags
2195     host_cppflags
2196 "
2197
2198 # code dependency declarations
2199
2200 # architecture extensions
2201
2202 armv5te_deps="arm"
2203 armv6_deps="arm"
2204 armv6t2_deps="arm"
2205 armv8_deps="aarch64"
2206 neon_deps_any="aarch64 arm"
2207 intrinsics_neon_deps="neon"
2208 vfp_deps_any="aarch64 arm"
2209 vfpv3_deps="vfp"
2210 setend_deps="arm"
2211
2212 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2213
2214 mipsfpu_deps="mips"
2215 mipsdsp_deps="mips"
2216 mipsdspr2_deps="mips"
2217 mips32r2_deps="mips"
2218 mips32r5_deps="mips"
2219 mips32r6_deps="mips"
2220 mips64r2_deps="mips"
2221 mips64r6_deps="mips"
2222 msa_deps="mipsfpu"
2223 mmi_deps="mips"
2224
2225 altivec_deps="ppc"
2226 dcbzl_deps="ppc"
2227 ldbrx_deps="ppc"
2228 ppc4xx_deps="ppc"
2229 vsx_deps="altivec"
2230 power8_deps="vsx"
2231
2232 cpunop_deps="i686"
2233 x86_64_select="i686"
2234 x86_64_suggest="fast_cmov"
2235
2236 amd3dnow_deps="mmx"
2237 amd3dnowext_deps="amd3dnow"
2238 i686_deps="x86"
2239 mmx_deps="x86"
2240 mmxext_deps="mmx"
2241 sse_deps="mmxext"
2242 sse2_deps="sse"
2243 sse3_deps="sse2"
2244 ssse3_deps="sse3"
2245 sse4_deps="ssse3"
2246 sse42_deps="sse4"
2247 aesni_deps="sse42"
2248 avx_deps="sse42"
2249 xop_deps="avx"
2250 fma3_deps="avx"
2251 fma4_deps="avx"
2252 avx2_deps="avx"
2253
2254 mmx_external_deps="yasm"
2255 mmx_inline_deps="inline_asm"
2256 mmx_suggest="mmx_external mmx_inline"
2257
2258 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2259     eval dep=\$${ext}_deps
2260     eval ${ext}_external_deps='"${dep}_external"'
2261     eval ${ext}_inline_deps='"${dep}_inline"'
2262     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2263 done
2264
2265 aligned_stack_if_any="aarch64 ppc x86"
2266 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2267 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2268 fast_unaligned_if_any="aarch64 ppc x86"
2269 simd_align_16_if_any="altivec neon sse"
2270
2271 # system capabilities
2272 symver_if_any="symver_asm_label symver_gnu_asm"
2273 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2274
2275 # threading support
2276 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2277 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2278 atomics_win32_if="MemoryBarrier"
2279 atomics_native_if_any="$ATOMICS_LIST"
2280 w32threads_deps="atomics_native"
2281 threads_if_any="$THREADS_LIST"
2282
2283 # subsystems
2284 dct_select="rdft"
2285 dirac_parse_select="golomb"
2286 error_resilience_select="me_cmp"
2287 faandct_deps="faan fdctdsp"
2288 faanidct_deps="faan idctdsp"
2289 h264dsp_select="startcode"
2290 frame_thread_encoder_deps="encoders threads"
2291 intrax8_select="blockdsp idctdsp"
2292 mdct_select="fft"
2293 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2294 mpeg_er_select="error_resilience"
2295 mpegaudio_select="mpegaudiodsp"
2296 mpegaudiodsp_select="dct"
2297 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2298 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2299 vc1dsp_select="h264chroma qpeldsp startcode"
2300 rdft_select="fft"
2301
2302 # decoders / encoders
2303 aac_decoder_select="imdct15 mdct sinewin"
2304 aac_fixed_decoder_select="mdct sinewin"
2305 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2306 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2307 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2308 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2309 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2310 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2311 adpcm_g722_decoder_select="g722dsp"
2312 adpcm_g722_encoder_select="g722dsp"
2313 aic_decoder_select="golomb idctdsp"
2314 alac_encoder_select="lpc"
2315 als_decoder_select="bswapdsp"
2316 amrnb_decoder_select="lsp"
2317 amrwb_decoder_select="lsp"
2318 amv_decoder_select="sp5x_decoder exif"
2319 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2320 ape_decoder_select="bswapdsp llauddsp"
2321 apng_decoder_select="zlib"
2322 apng_encoder_select="huffyuvencdsp zlib"
2323 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2324 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2325 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2326 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2327 atrac1_decoder_select="mdct sinewin"
2328 atrac3_decoder_select="mdct"
2329 atrac3p_decoder_select="mdct sinewin"
2330 avrn_decoder_select="exif jpegtables"
2331 bink_decoder_select="blockdsp hpeldsp"
2332 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2333 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2334 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2335 cllc_decoder_select="bswapdsp"
2336 comfortnoise_encoder_select="lpc"
2337 cook_decoder_select="audiodsp mdct sinewin"
2338 cscd_decoder_select="lzo"
2339 cscd_decoder_suggest="zlib"
2340 dca_decoder_select="mdct"
2341 dds_decoder_select="texturedsp"
2342 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2343 dnxhd_decoder_select="blockdsp idctdsp"
2344 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2345 dvvideo_decoder_select="dvprofile idctdsp"
2346 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2347 dxa_decoder_select="zlib"
2348 dxv_decoder_select="lzf texturedsp"
2349 eac3_decoder_select="ac3_decoder"
2350 eac3_encoder_select="ac3_encoder"
2351 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2352 eatgq_decoder_select="aandcttables"
2353 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2354 exr_decoder_select="zlib"
2355 ffv1_decoder_select="golomb rangecoder"
2356 ffv1_encoder_select="rangecoder"
2357 ffvhuff_decoder_select="huffyuv_decoder"
2358 ffvhuff_encoder_select="huffyuv_encoder"
2359 fic_decoder_select="golomb"
2360 flac_decoder_select="flacdsp golomb"
2361 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2362 flashsv2_decoder_select="zlib"
2363 flashsv2_encoder_select="zlib"
2364 flashsv_decoder_select="zlib"
2365 flashsv_encoder_select="zlib"
2366 flv_decoder_select="h263_decoder"
2367 flv_encoder_select="h263_encoder"
2368 fourxm_decoder_select="blockdsp bswapdsp"
2369 fraps_decoder_select="bswapdsp huffman"
2370 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2371 g729_decoder_select="audiodsp"
2372 h261_decoder_select="mpegvideo"
2373 h261_encoder_select="aandcttables mpegvideoenc"
2374 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2375 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2376 h263i_decoder_select="h263_decoder"
2377 h263p_decoder_select="h263_decoder"
2378 h263p_encoder_select="h263_encoder"
2379 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
2380 h264_decoder_suggest="error_resilience"
2381 hap_decoder_select="snappy texturedsp"
2382 hap_encoder_deps="libsnappy"
2383 hap_encoder_select="texturedspenc"
2384 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2385 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2386 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2387 iac_decoder_select="imc_decoder"
2388 imc_decoder_select="bswapdsp fft mdct sinewin"
2389 indeo3_decoder_select="hpeldsp"
2390 indeo4_decoder_select="ividsp"
2391 indeo5_decoder_select="ividsp"
2392 interplay_video_decoder_select="hpeldsp"
2393 jpegls_decoder_select="golomb mjpeg_decoder"
2394 jpegls_encoder_select="golomb"
2395 jv_decoder_select="blockdsp"
2396 lagarith_decoder_select="huffyuvdsp"
2397 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2398 loco_decoder_select="golomb"
2399 magicyuv_decoder_select="huffyuvdsp"
2400 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2401 metasound_decoder_select="lsp mdct sinewin"
2402 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2403 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2404 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2405 mjpegb_decoder_select="mjpeg_decoder"
2406 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2407 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2408 mlp_decoder_select="mlp_parser"
2409 motionpixels_decoder_select="bswapdsp"
2410 mp1_decoder_select="mpegaudio"
2411 mp1float_decoder_select="mpegaudio"
2412 mp2_decoder_select="mpegaudio"
2413 mp2float_decoder_select="mpegaudio"
2414 mp3_decoder_select="mpegaudio"
2415 mp3adu_decoder_select="mpegaudio"
2416 mp3adufloat_decoder_select="mpegaudio"
2417 mp3float_decoder_select="mpegaudio"
2418 mp3on4_decoder_select="mpegaudio"
2419 mp3on4float_decoder_select="mpegaudio"
2420 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2421 mpc8_decoder_select="mpegaudiodsp"
2422 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2423 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2424 mpegvideo_decoder_select="mpegvideo"
2425 mpeg1video_decoder_select="mpegvideo"
2426 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2427 mpeg2video_decoder_select="mpegvideo"
2428 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2429 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2430 mpeg4_encoder_select="h263_encoder"
2431 msa1_decoder_select="mss34dsp"
2432 msmpeg4v1_decoder_select="h263_decoder"
2433 msmpeg4v2_decoder_select="h263_decoder"
2434 msmpeg4v2_encoder_select="h263_encoder"
2435 msmpeg4v3_decoder_select="h263_decoder"
2436 msmpeg4v3_encoder_select="h263_encoder"
2437 mss2_decoder_select="vc1_decoder mpegvideo"
2438 mts2_decoder_select="mss34dsp"
2439 mxpeg_decoder_select="mjpeg_decoder"
2440 nellymoser_decoder_select="mdct sinewin"
2441 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2442 nuv_decoder_select="idctdsp lzo"
2443 on2avc_decoder_select="mdct"
2444 opus_decoder_deps="swresample"
2445 opus_decoder_select="imdct15"
2446 png_decoder_select="zlib"
2447 png_encoder_select="huffyuvencdsp zlib"
2448 prores_decoder_select="blockdsp idctdsp"
2449 prores_encoder_select="fdctdsp"
2450 qcelp_decoder_select="lsp"
2451 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2452 ra_144_decoder_select="audiodsp"
2453 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2454 ralf_decoder_select="golomb"
2455 rawvideo_decoder_select="bswapdsp"
2456 rscc_decoder_select="zlib"
2457 rtjpeg_decoder_select="me_cmp"
2458 rv10_decoder_select="h263_decoder"
2459 rv10_encoder_select="h263_encoder"
2460 rv20_decoder_select="h263_decoder"
2461 rv20_encoder_select="h263_encoder"
2462 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2463 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2464 screenpresso_decoder_select="zlib"
2465 shorten_decoder_select="golomb"
2466 sipr_decoder_select="lsp"
2467 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2468 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2469 sonic_decoder_select="golomb rangecoder"
2470 sonic_encoder_select="golomb rangecoder"
2471 sonic_ls_encoder_select="golomb rangecoder"
2472 sp5x_decoder_select="mjpeg_decoder"
2473 svq1_decoder_select="hpeldsp"
2474 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2475 svq3_decoder_select="golomb h264dsp h264pred hpeldsp tpeldsp videodsp"
2476 svq3_decoder_suggest="zlib"
2477 tak_decoder_select="audiodsp"
2478 tdsc_decoder_select="zlib mjpeg_decoder"
2479 theora_decoder_select="vp3_decoder"
2480 thp_decoder_select="mjpeg_decoder"
2481 tiff_decoder_suggest="zlib lzma"
2482 tiff_encoder_suggest="zlib"
2483 truehd_decoder_select="mlp_parser"
2484 truemotion2_decoder_select="bswapdsp"
2485 truespeech_decoder_select="bswapdsp"
2486 tscc_decoder_select="zlib"
2487 twinvq_decoder_select="mdct lsp sinewin"
2488 txd_decoder_select="texturedsp"
2489 utvideo_decoder_select="bswapdsp"
2490 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2491 vble_decoder_select="huffyuvdsp"
2492 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2493 vc1_qsv_decoder_deps="libmfx"
2494 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2495 vc1image_decoder_select="vc1_decoder"
2496 vorbis_decoder_select="mdct"
2497 vorbis_encoder_select="mdct"
2498 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2499 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2500 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2501 vp6a_decoder_select="vp6_decoder"
2502 vp6f_decoder_select="vp6_decoder"
2503 vp7_decoder_select="h264pred videodsp vp8dsp"
2504 vp8_decoder_select="h264pred videodsp vp8dsp"
2505 vp9_decoder_select="videodsp vp9_parser"
2506 webp_decoder_select="vp8_decoder exif"
2507 wmalossless_decoder_select="llauddsp"
2508 wmapro_decoder_select="mdct sinewin wma_freqs"
2509 wmav1_decoder_select="mdct sinewin wma_freqs"
2510 wmav1_encoder_select="mdct sinewin wma_freqs"
2511 wmav2_decoder_select="mdct sinewin wma_freqs"
2512 wmav2_encoder_select="mdct sinewin wma_freqs"
2513 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2514 wmv1_decoder_select="h263_decoder"
2515 wmv1_encoder_select="h263_encoder"
2516 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2517 wmv2_encoder_select="h263_encoder wmv2dsp"
2518 wmv3_decoder_select="vc1_decoder"
2519 wmv3image_decoder_select="wmv3_decoder"
2520 xma1_decoder_select="wmapro_decoder"
2521 xma2_decoder_select="wmapro_decoder"
2522 zerocodec_decoder_select="zlib"
2523 zlib_decoder_select="zlib"
2524 zlib_encoder_select="zlib"
2525 zmbv_decoder_select="zlib"
2526 zmbv_encoder_select="zlib"
2527
2528 # platform codecs
2529 audiotoolbox_deps="AudioToolbox_AudioToolbox_h"
2530 audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"
2531
2532 # hardware accelerators
2533 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2534 cuvid_deps="cuda"
2535 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2536 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2537 vaapi_deps="va_va_h"
2538 vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"
2539 vda_framework_extralibs="-framework VideoDecodeAcceleration"
2540 vda_deps="vda_framework pthreads"
2541 vda_extralibs="-framework CoreFoundation -framework QuartzCore"
2542 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2543 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2544 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2545 xvmc_deps="X11_extensions_XvMClib_h"
2546
2547 h263_vaapi_hwaccel_deps="vaapi"
2548 h263_vaapi_hwaccel_select="h263_decoder"
2549 h263_videotoolbox_hwaccel_deps="videotoolbox"
2550 h263_videotoolbox_hwaccel_select="h263_decoder"
2551 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2552 h264_cuvid_hwaccel_deps="cuda cuvid CUVIDH264PICPARAMS"
2553 h264_d3d11va_hwaccel_deps="d3d11va"
2554 h264_d3d11va_hwaccel_select="h264_decoder"
2555 h264_dxva2_hwaccel_deps="dxva2"
2556 h264_dxva2_hwaccel_select="h264_decoder"
2557 h264_mediacodec_decoder_deps="mediacodec"
2558 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2559 h264_mmal_decoder_deps="mmal"
2560 h264_mmal_decoder_select="mmal"
2561 h264_mmal_hwaccel_deps="mmal"
2562 h264_omx_encoder_deps="omx"
2563 h264_qsv_hwaccel_deps="libmfx"
2564 h264_vaapi_hwaccel_deps="vaapi"
2565 h264_vaapi_hwaccel_select="h264_decoder"
2566 h264_vda_decoder_deps="vda"
2567 h264_vda_decoder_select="h264_decoder"
2568 h264_vda_hwaccel_deps="vda"
2569 h264_vda_hwaccel_select="h264_decoder"
2570 h264_vda_old_hwaccel_deps="vda"
2571 h264_vda_old_hwaccel_select="h264_decoder"
2572 h264_vdpau_decoder_deps="vdpau"
2573 h264_vdpau_decoder_select="h264_decoder"
2574 h264_vdpau_hwaccel_deps="vdpau"
2575 h264_vdpau_hwaccel_select="h264_decoder"
2576 h264_videotoolbox_hwaccel_deps="videotoolbox"
2577 h264_videotoolbox_hwaccel_select="h264_decoder"
2578 hevc_cuvid_hwaccel_deps="cuda cuvid CUVIDHEVCPICPARAMS"
2579 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2580 hevc_d3d11va_hwaccel_select="hevc_decoder"
2581 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2582 hevc_dxva2_hwaccel_select="hevc_decoder"
2583 hevc_qsv_hwaccel_deps="libmfx"
2584 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2585 hevc_vaapi_hwaccel_select="hevc_decoder"
2586 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2587 hevc_vdpau_hwaccel_select="hevc_decoder"
2588 mpeg_vdpau_decoder_deps="vdpau"
2589 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2590 mpeg_xvmc_hwaccel_deps="xvmc"
2591 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2592 mpeg1_vdpau_decoder_deps="vdpau"
2593 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2594 mpeg1_vdpau_hwaccel_deps="vdpau"
2595 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2596 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2597 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2598 mpeg1_xvmc_hwaccel_deps="xvmc"
2599 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2600 mpeg2_crystalhd_decoder_select="crystalhd"
2601 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2602 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2603 mpeg2_dxva2_hwaccel_deps="dxva2"
2604 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2605 mpeg2_mmal_decoder_deps="mmal"
2606 mpeg2_mmal_decoder_select="mmal"
2607 mpeg2_mmal_hwaccel_deps="mmal"
2608 mpeg2_qsv_hwaccel_deps="libmfx"
2609 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2610 mpeg2_vaapi_hwaccel_deps="vaapi"
2611 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2612 mpeg2_vdpau_hwaccel_deps="vdpau"
2613 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2614 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2615 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2616 mpeg2_xvmc_hwaccel_deps="xvmc"
2617 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2618 mpeg4_crystalhd_decoder_select="crystalhd"
2619 mpeg4_mmal_decoder_deps="mmal"
2620 mpeg4_mmal_decoder_select="mmal"
2621 mpeg4_mmal_hwaccel_deps="mmal"
2622 mpeg4_omx_encoder_deps="omx"
2623 mpeg4_vaapi_hwaccel_deps="vaapi"
2624 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2625 mpeg4_vdpau_decoder_deps="vdpau"
2626 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2627 mpeg4_vdpau_hwaccel_deps="vdpau"
2628 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2629 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2630 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2631 msmpeg4_crystalhd_decoder_select="crystalhd"
2632 vc1_crystalhd_decoder_select="crystalhd"
2633 vc1_cuvid_hwaccel_deps="cuda cuvid CUVIDVC1PICPARAMS"
2634 vc1_d3d11va_hwaccel_deps="d3d11va"
2635 vc1_d3d11va_hwaccel_select="vc1_decoder"
2636 vc1_dxva2_hwaccel_deps="dxva2"
2637 vc1_dxva2_hwaccel_select="vc1_decoder"
2638 vc1_mmal_decoder_deps="mmal"
2639 vc1_mmal_decoder_select="mmal"
2640 vc1_mmal_hwaccel_deps="mmal"
2641 vc1_qsv_hwaccel_deps="libmfx"
2642 vc1_qsv_hwaccel_select="qsvdec_vc1"
2643 vc1_vaapi_hwaccel_deps="vaapi"
2644 vc1_vaapi_hwaccel_select="vc1_decoder"
2645 vc1_vdpau_decoder_deps="vdpau"
2646 vc1_vdpau_decoder_select="vc1_decoder"
2647 vc1_vdpau_hwaccel_deps="vdpau"
2648 vc1_vdpau_hwaccel_select="vc1_decoder"
2649 vp8_cuvid_hwaccel_deps="cuda cuvid CUVIDVP9PICPARAMS"
2650 vp9_cuvid_hwaccel_deps="cuda cuvid CUVIDVP9PICPARAMS"
2651 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2652 vp9_d3d11va_hwaccel_select="vp9_decoder"
2653 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2654 vp9_dxva2_hwaccel_select="vp9_decoder"
2655 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9"
2656 vp9_vaapi_hwaccel_select="vp9_decoder"
2657 wmv3_crystalhd_decoder_select="crystalhd"
2658 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2659 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2660 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2661 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2662 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2663
2664 # hardware-accelerated codecs
2665 omx_deps="dlopen pthreads"
2666 omx_extralibs='$ldl'
2667 qsvdec_select="qsv"
2668 qsvenc_select="qsv"
2669 vaapi_encode_deps="vaapi"
2670
2671 hwupload_cuda_filter_deps="cuda"
2672 scale_npp_filter_deps="cuda libnpp"
2673
2674 nvenc_encoder_deps="nvenc"
2675 h264_cuvid_decoder_deps="cuda cuvid CUVIDH264PICPARAMS"
2676 h264_cuvid_decoder_select="h264_mp4toannexb_bsf h264_cuvid_hwaccel"
2677 h264_nvenc_encoder_deps="nvenc"
2678 h264_qsv_decoder_deps="libmfx"
2679 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2680 h264_qsv_encoder_deps="libmfx"
2681 h264_qsv_encoder_select="qsvenc"
2682 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2683 h264_vaapi_encoder_select="vaapi_encode golomb"
2684
2685 hevc_cuvid_decoder_deps="cuda cuvid CUVIDHEVCPICPARAMS"
2686 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf hevc_cuvid_hwaccel"
2687 hevc_nvenc_encoder_deps="nvenc"
2688 hevc_qsv_decoder_deps="libmfx"
2689 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2690 hevc_qsv_encoder_deps="libmfx"
2691 hevc_qsv_encoder_select="qsvenc"
2692 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2693 hevc_vaapi_encoder_select="vaapi_encode golomb"
2694 mpeg2_qsv_decoder_deps="libmfx"
2695 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2696 mpeg2_qsv_encoder_deps="libmfx"
2697 mpeg2_qsv_encoder_select="qsvenc"
2698 nvenc_h264_encoder_deps="nvenc"
2699 nvenc_hevc_encoder_deps="nvenc"
2700
2701 vc1_cuvid_decoder_deps="cuda cuvid CUVIDVC1PICPARAMS"
2702 vc1_cuvid_decoder_select="vc1_cuvid_hwaccel"
2703 vp8_cuvid_decoder_deps="cuda cuvid CUVIDVP9PICPARAMS"
2704 vp8_cuvid_decoder_select="vp8_cuvid_hwaccel"
2705 vp9_cuvid_decoder_deps="cuda cuvid CUVIDVP9PICPARAMS"
2706 vp9_cuvid_decoder_select="vp9_cuvid_hwaccel"
2707
2708 # parsers
2709 h264_parser_select="golomb h264dsp"
2710 hevc_parser_select="golomb"
2711 mpegvideo_parser_select="mpegvideo"
2712 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2713 vc1_parser_select="vc1dsp"
2714
2715 # bitstream_filters
2716 mjpeg2jpeg_bsf_select="jpegtables"
2717
2718 # external libraries
2719 aac_at_decoder_deps="audiotoolbox"
2720 ac3_at_decoder_deps="audiotoolbox"
2721 ac3_at_decoder_select="ac3_parser"
2722 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2723 alac_at_decoder_deps="audiotoolbox"
2724 amr_nb_at_decoder_deps="audiotoolbox"
2725 eac3_at_decoder_deps="audiotoolbox"
2726 eac3_at_decoder_select="ac3_parser"
2727 gsm_ms_at_decoder_deps="audiotoolbox"
2728 ilbc_at_decoder_deps="audiotoolbox"
2729 mp1_at_decoder_deps="audiotoolbox"
2730 mp2_at_decoder_deps="audiotoolbox"
2731 mp3_at_decoder_deps="audiotoolbox"
2732 pcm_alaw_at_decoder_deps="audiotoolbox"
2733 pcm_mulaw_at_decoder_deps="audiotoolbox"
2734 qdmc_at_decoder_deps="audiotoolbox"
2735 qdm2_at_decoder_deps="audiotoolbox"
2736 aac_at_encoder_deps="audiotoolbox"
2737 aac_at_encoder_select="audio_frame_queue"
2738 alac_at_encoder_deps="audiotoolbox"
2739 alac_at_encoder_select="audio_frame_queue"
2740 ilbc_at_encoder_deps="audiotoolbox"
2741 ilbc_at_encoder_select="audio_frame_queue"
2742 pcm_alaw_at_encoder_deps="audiotoolbox"
2743 pcm_alaw_at_encoder_select="audio_frame_queue"
2744 pcm_mulaw_at_encoder_deps="audiotoolbox"
2745 pcm_mulaw_at_encoder_select="audio_frame_queue"
2746 chromaprint_muxer_deps="chromaprint"
2747 h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
2748 libcelt_decoder_deps="libcelt"
2749 libfaac_encoder_deps="libfaac"
2750 libfaac_encoder_select="audio_frame_queue"
2751 libfdk_aac_decoder_deps="libfdk_aac"
2752 libfdk_aac_encoder_deps="libfdk_aac"
2753 libfdk_aac_encoder_select="audio_frame_queue"
2754 libgme_demuxer_deps="libgme"
2755 libgsm_decoder_deps="libgsm"
2756 libgsm_encoder_deps="libgsm"
2757 libgsm_ms_decoder_deps="libgsm"
2758 libgsm_ms_encoder_deps="libgsm"
2759 libilbc_decoder_deps="libilbc"
2760 libilbc_encoder_deps="libilbc"
2761 libkvazaar_encoder_deps="libkvazaar"
2762 libmodplug_demuxer_deps="libmodplug"
2763 libmp3lame_encoder_deps="libmp3lame"
2764 libmp3lame_encoder_select="audio_frame_queue"
2765 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2766 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2767 libopencore_amrnb_encoder_select="audio_frame_queue"
2768 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2769 libopenh264_encoder_deps="libopenh264"
2770 libopenjpeg_decoder_deps="libopenjpeg"
2771 libopenjpeg_encoder_deps="libopenjpeg"
2772 libopus_decoder_deps="libopus"
2773 libopus_encoder_deps="libopus"
2774 libopus_encoder_select="audio_frame_queue"
2775 libschroedinger_decoder_deps="libschroedinger"
2776 libschroedinger_encoder_deps="libschroedinger"
2777 libshine_encoder_deps="libshine"
2778 libshine_encoder_select="audio_frame_queue"
2779 libspeex_decoder_deps="libspeex"
2780 libspeex_encoder_deps="libspeex"
2781 libspeex_encoder_select="audio_frame_queue"
2782 libtheora_encoder_deps="libtheora"
2783 libtwolame_encoder_deps="libtwolame"
2784 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2785 libvorbis_decoder_deps="libvorbis"
2786 libvorbis_encoder_deps="libvorbis"
2787 libvorbis_encoder_select="audio_frame_queue"
2788 libvpx_vp8_decoder_deps="libvpx"
2789 libvpx_vp8_encoder_deps="libvpx"
2790 libvpx_vp9_decoder_deps="libvpx"
2791 libvpx_vp9_encoder_deps="libvpx"
2792 libwavpack_encoder_deps="libwavpack"
2793 libwebp_encoder_deps="libwebp"
2794 libwebp_anim_encoder_deps="libwebp"
2795 libx262_encoder_deps="libx262"
2796 libx264_encoder_deps="libx264"
2797 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2798 libx264rgb_encoder_select="libx264_encoder"
2799 libx265_encoder_deps="libx265"
2800 libxavs_encoder_deps="libxavs"
2801 libxvid_encoder_deps="libxvid"
2802 libzvbi_teletext_decoder_deps="libzvbi"
2803 videotoolbox_deps="VideoToolbox_VideoToolbox_h"
2804 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"
2805 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2806 videotoolbox_encoder_suggest="vda_framework vt_bt2020"
2807 vt_bt2020_deps="kCVImageBufferColorPrimaries_ITU_R_2020"
2808
2809 # demuxers / muxers
2810 ac3_demuxer_select="ac3_parser"
2811 asf_demuxer_select="riffdec"
2812 asf_o_demuxer_select="riffdec"
2813 asf_muxer_select="riffenc"
2814 asf_stream_muxer_select="asf_muxer"
2815 avi_demuxer_select="iso_media riffdec exif"
2816 avi_muxer_select="riffenc"
2817 avisynth_demuxer_deps="avisynth"
2818 avisynth_demuxer_select="riffdec"
2819 caf_demuxer_select="iso_media riffdec"
2820 dash_muxer_select="mp4_muxer"
2821 dirac_demuxer_select="dirac_parser"
2822 dts_demuxer_select="dca_parser"
2823 dtshd_demuxer_select="dca_parser"
2824 dv_demuxer_select="dvprofile"
2825 dv_muxer_select="dvprofile"
2826 dxa_demuxer_select="riffdec"
2827 eac3_demuxer_select="ac3_parser"
2828 f4v_muxer_select="mov_muxer"
2829 flac_demuxer_select="flac_parser"
2830 hds_muxer_select="flv_muxer"
2831 hls_muxer_select="mpegts_muxer"
2832 image2_alias_pix_demuxer_select="image2_demuxer"
2833 image2_brender_pix_demuxer_select="image2_demuxer"
2834 ipod_muxer_select="mov_muxer"
2835 ismv_muxer_select="mov_muxer"
2836 libnut_demuxer_deps="libnut"
2837 libnut_muxer_deps="libnut"
2838 matroska_audio_muxer_select="matroska_muxer"
2839 matroska_demuxer_select="iso_media riffdec"
2840 matroska_demuxer_suggest="bzlib lzo zlib"
2841 matroska_muxer_select="iso_media riffenc"
2842 mmf_muxer_select="riffenc"
2843 mov_demuxer_select="iso_media riffdec"
2844 mov_demuxer_suggest="zlib"
2845 mov_muxer_select="iso_media riffenc rtpenc_chain"
2846 mp3_demuxer_select="mpegaudio_parser"
2847 mp4_muxer_select="mov_muxer"
2848 mpegts_demuxer_select="iso_media"
2849 mpegts_muxer_select="adts_muxer latm_muxer"
2850 mpegtsraw_demuxer_select="mpegts_demuxer"
2851 mxf_d10_muxer_select="mxf_muxer"
2852 mxf_opatom_muxer_select="mxf_muxer"
2853 nut_muxer_select="riffenc"
2854 nuv_demuxer_select="riffdec"
2855 oga_muxer_select="ogg_muxer"
2856 ogg_demuxer_select="dirac_parse"
2857 opus_muxer_select="ogg_muxer"
2858 psp_muxer_select="mov_muxer"
2859 rtp_demuxer_select="sdp_demuxer"
2860 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2861 rtsp_demuxer_select="http_protocol rtpdec"
2862 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2863 sap_demuxer_select="sdp_demuxer"
2864 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2865 sdp_demuxer_select="rtpdec"
2866 smoothstreaming_muxer_select="ismv_muxer"
2867 spdif_muxer_select="aac_parser"
2868 spx_muxer_select="ogg_muxer"
2869 swf_demuxer_suggest="zlib"
2870 tak_demuxer_select="tak_parser"
2871 tg2_muxer_select="mov_muxer"
2872 tgp_muxer_select="mov_muxer"
2873 vobsub_demuxer_select="mpegps_demuxer"
2874 w64_demuxer_select="wav_demuxer"
2875 w64_muxer_select="wav_muxer"
2876 wav_demuxer_select="riffdec"
2877 wav_muxer_select="riffenc"
2878 webm_muxer_select="iso_media riffenc"
2879 webm_dash_manifest_demuxer_select="matroska_demuxer"
2880 wtv_demuxer_select="mpegts_demuxer riffdec"
2881 wtv_muxer_select="mpegts_muxer riffenc"
2882 xmv_demuxer_select="riffdec"
2883 xwma_demuxer_select="riffdec"
2884
2885 # indevs / outdevs
2886 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2887 alsa_outdev_deps="alsa_asoundlib_h"
2888 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2889 avfoundation_indev_select="avfoundation"
2890 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2891 caca_outdev_deps="libcaca"
2892 decklink_indev_deps="decklink pthreads"
2893 decklink_indev_extralibs="-lstdc++"
2894 decklink_outdev_deps="decklink pthreads"
2895 decklink_outdev_extralibs="-lstdc++"
2896 dshow_indev_deps="IBaseFilter"
2897 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2898 dv1394_indev_deps="dv1394"
2899 dv1394_indev_select="dv_demuxer"
2900 fbdev_indev_deps="linux_fb_h"
2901 fbdev_outdev_deps="linux_fb_h"
2902 gdigrab_indev_deps="CreateDIBSection"
2903 gdigrab_indev_extralibs="-lgdi32"
2904 gdigrab_indev_select="bmp_decoder"
2905 iec61883_indev_deps="libiec61883"
2906 jack_indev_deps="jack_jack_h"
2907 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2908 lavfi_indev_deps="avfilter"
2909 libcdio_indev_deps="libcdio"
2910 libdc1394_indev_deps="libdc1394"
2911 libv4l2_indev_deps="libv4l2"
2912 openal_indev_deps="openal"
2913 opengl_outdev_deps="opengl"
2914 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2915 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2916 pulse_indev_deps="libpulse"
2917 pulse_outdev_deps="libpulse"
2918 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2919 qtkit_indev_select="qtkit"
2920 sdl_outdev_deps="sdl"
2921 sndio_indev_deps="sndio_h"
2922 sndio_outdev_deps="sndio_h"
2923 v4l_indev_deps="linux_videodev_h"
2924 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2925 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2926 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2927 vfwcap_indev_extralibs="-lavicap32"
2928 x11grab_indev_deps="x11grab"
2929 x11grab_xcb_indev_deps="libxcb"
2930 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2931 xv_outdev_extralibs="-lXv -lX11 -lXext"
2932
2933 # protocols
2934 async_protocol_deps="threads"
2935 bluray_protocol_deps="libbluray"
2936 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2937 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2938 ffrtmpcrypt_protocol_select="tcp_protocol"
2939 ffrtmphttp_protocol_deps="!librtmp_protocol"
2940 ffrtmphttp_protocol_select="http_protocol"
2941 ftp_protocol_select="tcp_protocol"
2942 gopher_protocol_select="network"
2943 http_protocol_select="tcp_protocol"
2944 httpproxy_protocol_select="tcp_protocol"
2945 https_protocol_select="tls_protocol"
2946 icecast_protocol_select="http_protocol"
2947 librtmp_protocol_deps="librtmp"
2948 librtmpe_protocol_deps="librtmp"
2949 librtmps_protocol_deps="librtmp"
2950 librtmpt_protocol_deps="librtmp"
2951 librtmpte_protocol_deps="librtmp"
2952 libsmbclient_protocol_deps="libsmbclient gplv3"
2953 libssh_protocol_deps="libssh"
2954 mmsh_protocol_select="http_protocol"
2955 mmst_protocol_select="network"
2956 rtmp_protocol_deps="!librtmp_protocol"
2957 rtmp_protocol_select="tcp_protocol"
2958 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2959 rtmps_protocol_deps="!librtmp_protocol"
2960 rtmps_protocol_select="tls_protocol"
2961 rtmpt_protocol_select="ffrtmphttp_protocol"
2962 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2963 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2964 rtp_protocol_select="udp_protocol"
2965 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
2966 sctp_protocol_select="network"
2967 srtp_protocol_select="rtp_protocol srtp"
2968 tcp_protocol_select="network"
2969 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
2970 tls_gnutls_protocol_select="tcp_protocol"
2971 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
2972 tls_openssl_protocol_select="tcp_protocol"
2973 tls_schannel_protocol_deps="schannel"
2974 tls_schannel_protocol_select="tcp_protocol"
2975 tls_securetransport_protocol_deps="securetransport"
2976 tls_securetransport_protocol_select="tcp_protocol"
2977 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2978 udp_protocol_select="network"
2979 udplite_protocol_select="network"
2980 unix_protocol_deps="sys_un_h"
2981 unix_protocol_select="network"
2982
2983 # filters
2984 afftfilt_filter_deps="avcodec"
2985 afftfilt_filter_select="fft"
2986 amovie_filter_deps="avcodec avformat"
2987 aresample_filter_deps="swresample"
2988 ass_filter_deps="libass"
2989 asyncts_filter_deps="avresample"
2990 atempo_filter_deps="avcodec"
2991 atempo_filter_select="rdft"
2992 azmq_filter_deps="libzmq"
2993 blackframe_filter_deps="gpl"
2994 boxblur_filter_deps="gpl"
2995 bs2b_filter_deps="libbs2b"
2996 colormatrix_filter_deps="gpl"
2997 cover_rect_filter_deps="avcodec avformat gpl"
2998 cropdetect_filter_deps="gpl"
2999 delogo_filter_deps="gpl"
3000 deshake_filter_select="pixelutils"
3001 drawtext_filter_deps="libfreetype"
3002 ebur128_filter_deps="gpl"
3003 eq_filter_deps="gpl"
3004 fftfilt_filter_deps="avcodec"
3005 fftfilt_filter_select="rdft"
3006 find_rect_filter_deps="avcodec avformat gpl"
3007 firequalizer_filter_deps="avcodec"
3008 firequalizer_filter_select="rdft"
3009 flite_filter_deps="libflite"
3010 framerate_filter_select="pixelutils"
3011 frei0r_filter_deps="frei0r dlopen"
3012 frei0r_src_filter_deps="frei0r dlopen"
3013 fspp_filter_deps="gpl"
3014 geq_filter_deps="gpl"
3015 histeq_filter_deps="gpl"
3016 hqdn3d_filter_deps="gpl"
3017 interlace_filter_deps="gpl"
3018 kerndeint_filter_deps="gpl"
3019 ladspa_filter_deps="ladspa dlopen"
3020 loudnorm_filter_deps="libebur128"
3021 mcdeint_filter_deps="avcodec gpl"
3022 movie_filter_deps="avcodec avformat"
3023 mpdecimate_filter_deps="gpl"
3024 mpdecimate_filter_select="pixelutils"
3025 mptestsrc_filter_deps="gpl"
3026 negate_filter_deps="lut_filter"
3027 nnedi_filter_deps="gpl"
3028 ocr_filter_deps="libtesseract"
3029 ocv_filter_deps="libopencv"
3030 owdenoise_filter_deps="gpl"
3031 pan_filter_deps="swresample"
3032 perspective_filter_deps="gpl"
3033 phase_filter_deps="gpl"
3034 pp7_filter_deps="gpl"
3035 pp_filter_deps="gpl postproc"
3036 pullup_filter_deps="gpl"
3037 removelogo_filter_deps="avcodec avformat swscale"
3038 repeatfields_filter_deps="gpl"
3039 resample_filter_deps="avresample"
3040 rubberband_filter_deps="librubberband"
3041 sab_filter_deps="gpl swscale"
3042 scale2ref_filter_deps="swscale"
3043 scale_filter_deps="swscale"
3044 select_filter_select="pixelutils"
3045 showcqt_filter_deps="avcodec avformat swscale"
3046 showcqt_filter_select="fft"
3047 showfreqs_filter_deps="avcodec"
3048 showfreqs_filter_select="fft"
3049 showspectrum_filter_deps="avcodec"
3050 showspectrum_filter_select="fft"
3051 showspectrumpic_filter_deps="avcodec"
3052 showspectrumpic_filter_select="fft"
3053 smartblur_filter_deps="gpl swscale"
3054 sofalizer_filter_deps="netcdf avcodec"
3055 sofalizer_filter_select="fft"
3056 spectrumsynth_filter_deps="avcodec"
3057 spectrumsynth_filter_select="fft"
3058 spp_filter_deps="gpl avcodec"
3059 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3060 stereo3d_filter_deps="gpl"
3061 subtitles_filter_deps="avformat avcodec libass"
3062 super2xsai_filter_deps="gpl"
3063 pixfmts_super2xsai_test_deps="super2xsai_filter"
3064 tinterlace_filter_deps="gpl"
3065 tinterlace_merge_test_deps="tinterlace_filter"
3066 tinterlace_pad_test_deps="tinterlace_filter"
3067 uspp_filter_deps="gpl avcodec"
3068 vidstabdetect_filter_deps="libvidstab"
3069 vidstabtransform_filter_deps="libvidstab"
3070 zmq_filter_deps="libzmq"
3071 zoompan_filter_deps="swscale"
3072 zscale_filter_deps="libzimg"
3073 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3074
3075 # examples
3076 avcodec_example_deps="avcodec avutil"
3077 avio_dir_cmd="avformat avutil"
3078 avio_reading="avformat avcodec avutil"
3079 decoding_encoding_example_deps="avcodec avformat avutil"
3080 demuxing_decoding_example_deps="avcodec avformat avutil"
3081 extract_mvs_example_deps="avcodec avformat avutil"
3082 filter_audio_example_deps="avfilter avutil"
3083 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3084 filtering_video_example_deps="avfilter avcodec avformat avutil"
3085 metadata_example_deps="avformat avutil"
3086 muxing_example_deps="avcodec avformat avutil swscale"
3087 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
3088 remuxing_example_deps="avcodec avformat avutil"
3089 resampling_audio_example_deps="avutil swresample"
3090 scaling_video_example_deps="avutil swscale"
3091 transcode_aac_example_deps="avcodec avformat swresample"
3092 transcoding_example_deps="avfilter avcodec avformat avutil"
3093
3094 # libraries, in linking order
3095 avcodec_deps="avutil"
3096 avdevice_deps="avformat avcodec avutil"
3097 avfilter_deps="avutil"
3098 avformat_deps="avcodec avutil"
3099 avresample_deps="avutil"
3100 postproc_deps="avutil gpl"
3101 swresample_deps="avutil"
3102 swscale_deps="avutil"
3103
3104 # programs
3105 ffmpeg_deps="avcodec avfilter avformat swresample"
3106 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3107                null_filter
3108                setpts_filter trim_filter"
3109 ffplay_deps="avcodec avformat swscale swresample sdl"
3110 ffplay_libs='$sdl_libs'
3111 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3112 ffprobe_deps="avcodec avformat"
3113 ffserver_deps="avformat fork sarestart"
3114 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3115
3116 # documentation
3117 podpages_deps="perl"
3118 manpages_deps="perl pod2man"
3119 htmlpages_deps="perl"
3120 htmlpages_deps_any="makeinfo_html texi2html"
3121 txtpages_deps="perl makeinfo"
3122 doc_deps_any="manpages htmlpages podpages txtpages"
3123
3124 # default parameters
3125
3126 logfile="config.log"
3127
3128 # installation paths
3129 prefix_default="/usr/local"
3130 bindir_default='${prefix}/bin'
3131 datadir_default='${prefix}/share/ffmpeg'
3132 docdir_default='${prefix}/share/doc/ffmpeg'
3133 incdir_default='${prefix}/include'
3134 libdir_default='${prefix}/lib'
3135 mandir_default='${prefix}/share/man'
3136
3137 # toolchain
3138 ar_default="ar"
3139 cc_default="gcc"
3140 cxx_default="g++"
3141 host_cc_default="gcc"
3142 cp_f="cp -f"
3143 doxygen_default="doxygen"
3144 install="install"
3145 ln_s_default="ln -s -f"
3146 nm_default="nm -g"
3147 objformat="elf"
3148 pkg_config_default=pkg-config
3149 ranlib_default="ranlib"
3150 strip_default="strip"
3151 yasmexe_default="yasm"
3152 windres_default="windres"
3153
3154 # OS
3155 target_os_default=$(tolower $(uname -s))
3156 host_os=$target_os_default
3157
3158 # machine
3159 if test "$target_os_default" = aix; then
3160     arch_default=$(uname -p)
3161     strip_default="strip -X32_64"
3162 else
3163     arch_default=$(uname -m)
3164 fi
3165 cpu="generic"
3166 intrinsics="none"
3167
3168 # configurable options
3169 enable $PROGRAM_LIST
3170 enable $DOCUMENT_LIST
3171 enable $EXAMPLE_LIST
3172 enable $(filter_out avresample $LIBRARY_LIST)
3173 enable stripping
3174
3175 enable asm
3176 enable debug
3177 enable doc
3178 enable faan faandct faanidct
3179 enable optimizations
3180 enable runtime_cpudetect
3181 enable safe_bitstream_reader
3182 enable static
3183 enable swscale_alpha
3184 enable valgrind_backtrace
3185
3186 sws_max_filter_size_default=256
3187 set_default sws_max_filter_size
3188
3189 # Enable platform codecs by default.
3190 enable audiotoolbox
3191
3192 # Enable hwaccels by default.
3193 enable d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
3194 enable xlib
3195
3196 enable vda_framework videotoolbox videotoolbox_encoder
3197
3198 # build settings
3199 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3200 LIBPREF="lib"
3201 LIBSUF=".a"
3202 FULLNAME='$(NAME)$(BUILDSUF)'
3203 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3204 SLIBPREF="lib"
3205 SLIBSUF=".so"
3206 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3207 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3208 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3209 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3210 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3211 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3212
3213 asflags_filter=echo
3214 cflags_filter=echo
3215 ldflags_filter=echo
3216
3217 AS_C='-c'
3218 AS_O='-o $@'
3219 CC_C='-c'
3220 CC_E='-E -o $@'
3221 CC_O='-o $@'
3222 CXX_C='-c'
3223 CXX_O='-o $@'
3224 OBJCC_C='-c'
3225 OBJCC_E='-E -o $@'
3226 OBJCC_O='-o $@'
3227 LD_O='-o $@'
3228 LD_LIB='-l%'
3229 LD_PATH='-L'
3230 HOSTCC_C='-c'
3231 HOSTCC_E='-E -o $@'
3232 HOSTCC_O='-o $@'
3233 HOSTLD_O='-o $@'
3234
3235 host_libs='-lm'
3236 host_cflags_filter=echo
3237 host_ldflags_filter=echo
3238
3239 target_path='$(CURDIR)'
3240
3241 # since the object filename is not given with the -MM flag, the compiler
3242 # is only able to print the basename, and we must add the path ourselves
3243 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3244 DEPFLAGS='-MM'
3245
3246 # find source path
3247 if test -f configure; then
3248     source_path=.
3249 else
3250     source_path=$(cd $(dirname "$0"); pwd)
3251     case "$source_path" in
3252         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3253     esac
3254     test -e "$source_path/config.h" &&
3255         die "Out of tree builds are impossible with config.h in source dir."
3256 fi
3257
3258 for v in "$@"; do
3259     r=${v#*=}
3260     l=${v%"$r"}
3261     r=$(sh_quote "$r")
3262     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3263 done
3264
3265 find_things(){
3266     thing=$1
3267     pattern=$2
3268     file=$source_path/$3
3269     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3270 }
3271
3272 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
3273 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
3274 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
3275 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
3276 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
3277 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
3278 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
3279 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
3280 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
3281
3282 find_things_extern(){
3283     thing=$1
3284     pattern=$2
3285     file=$source_path/$3
3286     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3287 }
3288
3289 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3290 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3291
3292 ALL_COMPONENTS="
3293     $BSF_LIST
3294     $DECODER_LIST
3295     $DEMUXER_LIST
3296     $ENCODER_LIST
3297     $FILTER_LIST
3298     $HWACCEL_LIST
3299     $INDEV_LIST
3300     $MUXER_LIST
3301     $OUTDEV_LIST
3302     $PARSER_LIST
3303     $PROTOCOL_LIST
3304 "
3305
3306 for n in $COMPONENT_LIST; do
3307     v=$(toupper ${n%s})_LIST
3308     eval enable \$$v
3309     eval ${n}_if_any="\$$v"
3310 done
3311
3312 enable $ARCH_EXT_LIST
3313
3314 die_unknown(){
3315     echo "Unknown option \"$1\"."
3316     echo "See $0 --help for available options."
3317     exit 1
3318 }
3319
3320 print_in_columns() {
3321     cols=$(expr $ncols / 24)
3322     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3323 }
3324
3325 show_list() {
3326     suffix=_$1
3327     shift
3328     echo $* | sed s/$suffix//g | print_in_columns
3329     exit 0
3330 }
3331
3332 rand_list(){
3333     IFS=', '
3334     set -- $*
3335     unset IFS
3336     for thing; do
3337         comp=${thing%:*}
3338         prob=${thing#$comp}
3339         prob=${prob#:}
3340         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3341         echo "prob ${prob:-0.5}"
3342         printf '%s\n' $comp
3343     done
3344 }
3345
3346 do_random(){
3347     action=$1
3348     shift
3349     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3350     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3351 }
3352
3353 for opt do
3354     optval="${opt#*=}"
3355     case "$opt" in
3356         --extra-ldflags=*)
3357             add_ldflags $optval
3358         ;;
3359         --extra-ldexeflags=*)
3360             add_ldexeflags $optval
3361         ;;
3362         --extra-ldlibflags=*)
3363             add_ldlibflags $optval
3364         ;;
3365         --extra-libs=*)
3366             add_extralibs $optval
3367         ;;
3368         --disable-devices)
3369             disable $INDEV_LIST $OUTDEV_LIST
3370         ;;
3371         --enable-debug=*)
3372             debuglevel="$optval"
3373         ;;
3374         --disable-programs)
3375             disable $PROGRAM_LIST
3376         ;;
3377         --disable-everything)
3378             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3379         ;;
3380         --disable-all)
3381             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3382             disable $LIBRARY_LIST $PROGRAM_LIST doc
3383             enable avutil
3384         ;;
3385         --enable-random|--disable-random)
3386             action=${opt%%-random}
3387             do_random ${action#--} $COMPONENT_LIST
3388         ;;
3389         --enable-random=*|--disable-random=*)
3390             action=${opt%%-random=*}
3391             do_random ${action#--} $optval
3392         ;;
3393         --enable-*=*|--disable-*=*)
3394             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3395             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3396             eval list=\$$(toupper $thing)_LIST
3397             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3398             list=$(filter "$name" $list)
3399             [ "$list" = "" ] && warn "Option $opt did not match anything"
3400             $action $list
3401         ;;
3402         --enable-?*|--disable-?*)
3403             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3404             if is_in $option $COMPONENT_LIST; then
3405                 test $action = disable && action=unset
3406                 eval $action \$$(toupper ${option%s})_LIST
3407             elif is_in $option $CMDLINE_SELECT; then
3408                 $action $option
3409             else
3410                 die_unknown $opt
3411             fi
3412         ;;
3413         --list-*)
3414             NAME="${opt#--list-}"
3415             is_in $NAME $COMPONENT_LIST || die_unknown $opt
3416             NAME=${NAME%s}
3417             eval show_list $NAME \$$(toupper $NAME)_LIST
3418         ;;
3419         --help|-h) show_help
3420         ;;
3421         --fatal-warnings) enable fatal_warnings
3422         ;;
3423         *)
3424             optname="${opt%%=*}"
3425             optname="${optname#--}"
3426             optname=$(echo "$optname" | sed 's/-/_/g')
3427             if is_in $optname $CMDLINE_SET; then
3428                 eval $optname='$optval'
3429             elif is_in $optname $CMDLINE_APPEND; then
3430                 append $optname "$optval"
3431             else
3432                 die_unknown $opt
3433             fi
3434         ;;
3435     esac
3436 done
3437
3438 for e in $env; do
3439     eval "export $e"
3440 done
3441
3442 disabled logging && logfile=/dev/null
3443
3444 # Disable all the library-specific components if the library itself
3445 # is disabled, see AVCODEC_LIST and following _LIST variables.
3446
3447 disable_components(){
3448     disabled ${1} && disable $(
3449         eval components="\$$(toupper ${1})_COMPONENTS"
3450         map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3451     )
3452 }
3453
3454 map 'disable_components $v' $LIBRARY_LIST
3455
3456 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3457 set >> $logfile
3458
3459 test -n "$valgrind" && toolchain="valgrind-memcheck"
3460
3461 case "$toolchain" in
3462     *-asan)
3463         cc_default="${toolchain%-asan}"
3464         add_cflags  -fsanitize=address
3465         add_ldflags -fsanitize=address
3466     ;;
3467     *-msan)
3468         cc_default="${toolchain%-msan}"
3469         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins
3470         add_ldflags -fsanitize=memory
3471     ;;
3472     *-tsan)
3473         cc_default="${toolchain%-tsan}"
3474         add_cflags  -fsanitize=thread -pie
3475         add_ldflags -fsanitize=thread -pie
3476         case "$toolchain" in
3477             gcc-tsan)
3478                 add_cflags  -fPIC
3479                 add_ldflags -fPIC
3480                 ;;
3481         esac
3482     ;;
3483     *-usan)
3484         cc_default="${toolchain%-usan}"
3485         add_cflags  -fsanitize=undefined
3486         add_ldflags -fsanitize=undefined
3487     ;;
3488     valgrind-*)
3489         target_exec_default="valgrind"
3490         case "$toolchain" in
3491             valgrind-massif)
3492                 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3493                 ;;
3494             valgrind-memcheck)
3495                 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3496                 ;;
3497         esac
3498     ;;
3499     msvc)
3500         # Check whether the current MSVC version needs the C99 converter.
3501         # From MSVC 2013 (compiler major version 18) onwards, it does actually
3502         # support enough of C99 to build ffmpeg. Default to the new
3503         # behaviour if the regexp was unable to match anything, since this
3504         # successfully parses the version number of existing supported
3505         # versions that require the converter (MSVC 2010 and 2012).
3506         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3507         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3508             cc_default="cl"
3509         else
3510             cc_default="c99wrap cl"
3511         fi
3512         ld_default="$source_path/compat/windows/mslink"
3513         nm_default="dumpbin -symbols"
3514         ar_default="lib"
3515         case "$arch" in
3516         arm*)
3517             as_default="armasm"
3518             ;;
3519         esac
3520         target_os_default="win32"
3521         # Use a relative path for TMPDIR. This makes sure all the
3522         # ffconf temp files are written with a relative path, avoiding
3523         # issues with msys/win32 path conversion for MSVC parameters
3524         # such as -Fo<file> or -out:<file>.
3525         TMPDIR=.
3526     ;;
3527     icl)
3528         cc_default="icl"
3529         ld_default="xilink"
3530         nm_default="dumpbin -symbols"
3531         ar_default="xilib"
3532         target_os_default="win32"
3533         TMPDIR=.
3534     ;;
3535     gcov)
3536         add_cflags  -fprofile-arcs -ftest-coverage
3537         add_ldflags -fprofile-arcs -ftest-coverage
3538     ;;
3539     llvm-cov)
3540         add_cflags -fprofile-arcs -ftest-coverage
3541         add_ldflags --coverage
3542     ;;
3543     hardened)
3544         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3545         add_cflags   -fno-strict-overflow -fstack-protector-all
3546         add_ldflags  -Wl,-z,relro -Wl,-z,now
3547     ;;
3548     ?*)
3549         die "Unknown toolchain $toolchain"
3550     ;;
3551 esac
3552
3553 test -n "$cross_prefix" && enable cross_compile
3554
3555 if enabled cross_compile; then
3556     test -n "$arch" && test -n "$target_os" ||
3557         die "Must specify target arch and OS when cross-compiling"
3558 fi
3559
3560 ar_default="${cross_prefix}${ar_default}"
3561 cc_default="${cross_prefix}${cc_default}"
3562 cxx_default="${cross_prefix}${cxx_default}"
3563 nm_default="${cross_prefix}${nm_default}"
3564 pkg_config_default="${cross_prefix}${pkg_config_default}"
3565 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3566     ranlib_default="${cross_prefix}${ranlib_default} -D"
3567 else
3568     ranlib_default="${cross_prefix}${ranlib_default}"
3569 fi
3570 strip_default="${cross_prefix}${strip_default}"
3571 windres_default="${cross_prefix}${windres_default}"
3572
3573 sysinclude_default="${sysroot}/usr/include"
3574
3575 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3576     target_exec target_os yasmexe
3577 enabled cross_compile || host_cc_default=$cc
3578 set_default host_cc
3579
3580 pkg_config_fail_message=""
3581 if ! $pkg_config --version >/dev/null 2>&1; then
3582     warn "$pkg_config not found, library detection may fail."
3583     pkg_config=false
3584 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3585     pkg_config_fail_message="
3586 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3587 fi
3588
3589 if test $doxygen != $doxygen_default && \
3590   ! $doxygen --version >/dev/null 2>&1; then
3591     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3592 fi
3593
3594 exesuf() {
3595     case $1 in
3596         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3597     esac
3598 }
3599
3600 EXESUF=$(exesuf $target_os)
3601 HOSTEXESUF=$(exesuf $host_os)
3602
3603 # set temporary file name
3604 : ${TMPDIR:=$TEMPDIR}
3605 : ${TMPDIR:=$TMP}
3606 : ${TMPDIR:=/tmp}
3607
3608 if [ -n "$tempprefix" ] ; then
3609     mktemp(){
3610         echo $tempprefix.${HOSTNAME}.${UID}
3611     }
3612 elif ! check_cmd mktemp -u XXXXXX; then
3613     # simple replacement for missing mktemp
3614     # NOT SAFE FOR GENERAL USE
3615     mktemp(){
3616         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3617     }
3618 fi
3619
3620 tmpfile(){
3621     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3622         (set -C; exec > $tmp) 2>/dev/null ||
3623         die "Unable to create temporary file in $TMPDIR."
3624     append TMPFILES $tmp
3625     eval $1=$tmp
3626 }
3627
3628 trap 'rm -f -- $TMPFILES' EXIT
3629
3630 tmpfile TMPASM .asm
3631 tmpfile TMPC   .c
3632 tmpfile TMPCPP .cpp
3633 tmpfile TMPE   $EXESUF
3634 tmpfile TMPH   .h
3635 tmpfile TMPM   .m
3636 tmpfile TMPO   .o
3637 tmpfile TMPS   .S
3638 tmpfile TMPSH  .sh
3639 tmpfile TMPV   .ver
3640
3641 unset -f mktemp
3642
3643 chmod +x $TMPE
3644
3645 # make sure we can execute files in $TMPDIR
3646 cat > $TMPSH 2>> $logfile <<EOF
3647 #! /bin/sh
3648 EOF
3649 chmod +x $TMPSH >> $logfile 2>&1
3650 if ! $TMPSH >> $logfile 2>&1; then
3651     cat <<EOF
3652 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
3653 variable to another directory and make sure that it is not mounted noexec.
3654 EOF
3655     die "Sanity test failed."
3656 fi
3657
3658 armasm_flags(){
3659     for flag; do
3660         case $flag in
3661             # Filter out MSVC cl.exe options from cflags that shouldn't
3662             # be passed to gas-preprocessor
3663             -M[TD]*)                                            ;;
3664             *)                  echo $flag                      ;;
3665         esac
3666    done
3667 }
3668
3669 ccc_flags(){
3670     for flag; do
3671         case $flag in
3672             -std=c99)           echo -c99                       ;;
3673             -mcpu=*)            echo -arch ${flag#*=}           ;;
3674             -mieee)             echo -ieee                      ;;
3675             -O*|-fast)          echo $flag                      ;;
3676             -fno-math-errno)    echo -assume nomath_errno       ;;
3677             -g)                 echo -g3                        ;;
3678             -Wall)              echo -msg_enable level2         ;;
3679             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;
3680             -Wl,*)              echo $flag                      ;;
3681             -f*|-W*)                                            ;;
3682             *)                  echo $flag                      ;;
3683         esac
3684    done
3685 }
3686
3687 cparser_flags(){
3688     for flag; do
3689         case $flag in
3690             -Wno-switch)             echo -Wno-switch-enum ;;
3691             -Wno-format-zero-length) ;;
3692             -Wdisabled-optimization) ;;
3693             -Wno-pointer-sign)       echo -Wno-other ;;
3694             *)                       echo $flag ;;
3695         esac
3696     done
3697 }
3698
3699 msvc_common_flags(){
3700     for flag; do
3701         case $flag in
3702             # In addition to specifying certain flags under the compiler
3703             # specific filters, they must be specified here as well or else the
3704             # generic catch all at the bottom will print the original flag.
3705             -Wall)                ;;
3706             -std=c99)             ;;
3707             # Common flags
3708             -fomit-frame-pointer) ;;
3709             -g)                   echo -Z7 ;;
3710             -fno-math-errno)      ;;
3711             -fno-common)          ;;
3712             -fno-signed-zeros)    ;;
3713             -fPIC)                ;;
3714             -mthumb)              ;;
3715             -march=*)             ;;
3716             -lz)                  echo zlib.lib ;;
3717             -lavifil32)           echo vfw32.lib ;;
3718             -lavicap32)           echo vfw32.lib user32.lib ;;
3719             -lx264)               echo libx264.lib ;;
3720             -l*)                  echo ${flag#-l}.lib ;;
3721             -LARGEADDRESSAWARE)   echo $flag ;;
3722             -L*)                  echo -libpath:${flag#-L} ;;
3723             *)                    echo $flag ;;
3724         esac
3725     done
3726 }
3727
3728 msvc_flags(){
3729     msvc_common_flags "$@"
3730     for flag; do
3731         case $flag in
3732             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \
3733                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3734                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3735                                        -wd4307 \
3736                                        -wd4273 -wd4554 -wd4701 ;;
3737         esac
3738     done
3739 }
3740
3741 icl_flags(){
3742     msvc_common_flags "$@"
3743     for flag; do
3744         case $flag in
3745             # Despite what Intel's documentation says -Wall, which is supported
3746             # on Windows, does enable remarks so disable them here.
3747             -Wall)                echo $flag -Qdiag-disable:remark ;;
3748             -std=c99)             echo -Qstd=c99 ;;
3749             -flto)                echo -ipo ;;
3750         esac
3751     done
3752 }
3753
3754 icc_flags(){
3755     for flag; do
3756         case $flag in
3757             -flto)                echo -ipo ;;
3758             *)                    echo $flag ;;
3759         esac
3760     done
3761 }
3762
3763 pgi_flags(){
3764     for flag; do
3765         case $flag in
3766             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;
3767             -fomit-frame-pointer) echo -Mnoframe ;;
3768             -g)                   echo -gopt ;;
3769             *)                    echo $flag ;;
3770         esac
3771     done
3772 }
3773
3774 suncc_flags(){
3775     for flag; do
3776         case $flag in
3777             -march=*|-mcpu=*)
3778                 case "${flag#*=}" in
3779                     native)                   echo -xtarget=native       ;;
3780                     v9|niagara)               echo -xarch=sparc          ;;
3781                     ultrasparc)               echo -xarch=sparcvis       ;;
3782                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
3783                     i586|pentium)             echo -xchip=pentium        ;;
3784                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
3785                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
3786                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
3787                     pentium4*)          echo -xtarget=pentium4           ;;
3788                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
3789                     *-sse3)             echo -xarch=sse3                 ;;
3790                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
3791                     bonnell)                   echo -xarch=ssse3         ;;
3792                     corei7|nehalem)            echo -xtarget=nehalem     ;;
3793                     westmere)                  echo -xtarget=westmere    ;;
3794                     silvermont)                echo -xarch=sse4_2        ;;
3795                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;
3796                     core-avx*|ivybridge|haswell|broadwell)
3797                                                echo -xarch=avx           ;;
3798                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;
3799                     btver1)                    echo -xarch=amdsse4a      ;;
3800                     btver2|bdver*)             echo -xarch=avx           ;;
3801                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;
3802                     k8|opteron|athlon64|athlon-fx)
3803                                                echo -xarch=sse2a         ;;
3804                     athlon*)                   echo -xarch=pentium_proa  ;;
3805                 esac
3806                 ;;
3807             -std=c99)             echo -xc99              ;;
3808             -fomit-frame-pointer) echo -xregs=frameptr    ;;
3809             -fPIC)                echo -KPIC -xcode=pic32 ;;
3810             -W*,*)                echo $flag              ;;
3811             -f*-*|-W*|-mimpure-text)                      ;;
3812             -shared)              echo -G                 ;;
3813             *)                    echo $flag              ;;
3814         esac
3815     done
3816 }
3817
3818 tms470_flags(){
3819     for flag; do
3820         case $flag in
3821             -march=*|-mcpu=*)
3822                 case "${flag#*=}" in
3823                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
3824                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
3825                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
3826                     armv6*|arm11*)          echo -mv=6   ;;
3827                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3828                                             echo -mv=5e  ;;
3829                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
3830                 esac
3831                 ;;
3832             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
3833             -mfpu=vfp)      echo --float_support=vfpv2        ;;
3834             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
3835             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;
3836             -msoft-float)   echo --float_support=vfplib       ;;
3837             -O[0-3]|-mf=*)  echo $flag                        ;;
3838             -g)             echo -g -mn                       ;;
3839             -pds=*)         echo $flag                        ;;
3840             -D*|-I*)        echo $flag                        ;;
3841             --gcc|--abi=*)  echo $flag                        ;;
3842             -me)            echo $flag                        ;;
3843         esac
3844     done
3845 }
3846
3847 probe_cc(){
3848     pfx=$1
3849     _cc=$2
3850     first=$3
3851
3852     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3853     unset _ld_o _ldflags _ld_lib _ld_path
3854     unset _depflags _DEPCMD _DEPFLAGS
3855     _flags_filter=echo
3856
3857     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3858         true # no-op to avoid reading stdin in following checks
3859     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3860         _type=llvm_gcc
3861         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3862         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3863         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3864         _cflags_speed='-O3'
3865         _cflags_size='-Os'
3866     elif $_cc -v 2>&1 | grep -qi ^gcc; then
3867         _type=gcc
3868         gcc_version=$($_cc --version | head -n1)
3869         gcc_basever=$($_cc -dumpversion)
3870         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3871         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3872         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3873         case $gcc_basever in
3874             2) ;;
3875             2.*) ;;
3876             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3877         esac
3878         if [ "$first" = true ]; then
3879             case $gcc_basever in
3880                 4.2*)
3881                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3882             esac
3883         fi
3884         _cflags_speed='-O3'
3885         _cflags_size='-Os'
3886     elif $_cc --version 2>/dev/null | grep -q ^icc; then
3887         _type=icc
3888         _ident=$($_cc --version | head -n1)
3889         _depflags='-MMD'
3890         _cflags_speed='-O3'
3891         _cflags_size='-Os'
3892         _cflags_noopt='-O1'
3893         _flags_filter=icc_flags
3894     elif $_cc -v 2>&1 | grep -q xlc; then
3895         _type=xlc
3896         _ident=$($_cc -qversion 2>/dev/null | head -n1)
3897         _cflags_speed='-O5'
3898         _cflags_size='-O5 -qcompact'
3899     elif $_cc -V 2>/dev/null | grep -q Compaq; then
3900         _type=ccc
3901         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3902         _DEPFLAGS='-M'
3903         _cflags_speed='-fast'
3904         _cflags_size='-O1'
3905         _flags_filter=ccc_flags
3906     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3907         test -d "$sysroot" || die "No valid sysroot specified."
3908         _type=armcc
3909         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3910         armcc_conf="$PWD/armcc.conf"
3911         $_cc --arm_linux_configure                 \
3912              --arm_linux_config_file="$armcc_conf" \
3913              --configure_sysroot="$sysroot"        \
3914              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3915              die "Error creating armcc configuration file."
3916         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3917         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3918         as_default="${cross_prefix}gcc"
3919         _depflags='-MMD'
3920         _cflags_speed='-O3'
3921         _cflags_size='-Os'
3922     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3923         _type=tms470
3924         _ident=$($_cc -version | head -n1 | tr -s ' ')
3925         _flags='--gcc --abi=eabi -me'
3926         _cc_e='-ppl -fe=$@'
3927         _cc_o='-fe=$@'
3928         _depflags='-ppa -ppd=$(@:.o=.d)'
3929         _cflags_speed='-O3 -mf=5'
3930         _cflags_size='-O3 -mf=2'
3931         _flags_filter=tms470_flags
3932     elif $_cc -v 2>&1 | grep -q clang; then
3933         _type=clang
3934         _ident=$($_cc --version 2>/dev/null | head -n1)
3935         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3936         _cflags_speed='-O3'
3937         _cflags_size='-Os'
3938     elif $_cc -V 2>&1 | grep -q Sun; then
3939         _type=suncc
3940         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3941         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3942         _DEPFLAGS='-xM1 -xc99'
3943         _ldflags='-std=c99'
3944         _cflags_speed='-O5'
3945         _cflags_size='-O5 -xspace'
3946         _flags_filter=suncc_flags
3947     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3948         _type=pathscale
3949         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3950         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3951         _cflags_speed='-O2'
3952         _cflags_size='-Os'
3953         _flags_filter='filter_out -Wdisabled-optimization'
3954     elif $_cc -v 2>&1 | grep -q Open64; then
3955         _type=open64
3956         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3957         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3958         _cflags_speed='-O2'
3959         _cflags_size='-Os'
3960         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3961     elif $_cc -V 2>&1 | grep -q Portland; then
3962         _type=pgi
3963         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3964         opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3965         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3966         _cflags_size="-O2 -Munroll=c:1 $opt_common"
3967         _cflags_noopt="-O"
3968         _flags_filter=pgi_flags
3969     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3970         _type=armasm
3971         _ident=$($_cc | head -n1)
3972         # 4509: "This form of conditional instruction is deprecated"
3973         _flags="-nologo -ignore 4509"
3974         _flags_filter=armasm_flags
3975     elif $_cc 2>&1 | grep -q Intel; then
3976         _type=icl
3977         _ident=$($_cc 2>&1 | head -n1)
3978         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3979         # Not only is O3 broken on 13.x+ but it is slower on all previous
3980         # versions (tested) as well.
3981         _cflags_speed="-O2"
3982         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3983         if $_cc 2>&1 | grep -q Linker; then
3984             _ld_o='-out:$@'
3985         else
3986             _ld_o='-Fe$@'
3987         fi
3988         _cc_o='-Fo$@'
3989         _cc_e='-P'
3990         _flags_filter=icl_flags
3991         _ld_lib='lib%.a'
3992         _ld_path='-libpath:'
3993         # -Qdiag-error to make icl error when seeing certain unknown arguments
3994         _flags='-nologo -Qdiag-error:4044,10157'
3995         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3996         # with MSVC which enables it by default.
3997         _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3998         disable stripping
3999     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4000         _type=msvc
4001         _ident=$($_cc 2>&1 | head -n1)
4002         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4003         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4004         _cflags_speed="-O2"
4005         _cflags_size="-O1"
4006         if $_cc -nologo- 2>&1 | grep -q Linker; then
4007             _ld_o='-out:$@'
4008         else
4009             _ld_o='-Fe$@'
4010         fi
4011         _cc_o='-Fo$@'
4012         _cc_e='-P -Fi$@'
4013         _flags_filter=msvc_flags
4014         _ld_lib='lib%.a'
4015         _ld_path='-libpath:'
4016         _flags='-nologo'
4017         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
4018         disable stripping
4019     elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4020         _type=cparser
4021         _ident=$($_cc --version | head -n1)
4022         _depflags='-MMD'
4023         _cflags_speed='-O4'
4024         _cflags_size='-O2'
4025         _flags_filter=cparser_flags
4026     fi
4027
4028     eval ${pfx}_type=\$_type
4029     eval ${pfx}_ident=\$_ident
4030 }
4031
4032 set_ccvars(){
4033     eval ${1}_C=\${_cc_c-\${${1}_C}}
4034     eval ${1}_E=\${_cc_e-\${${1}_E}}
4035     eval ${1}_O=\${_cc_o-\${${1}_O}}
4036
4037     if [ -n "$_depflags" ]; then
4038         eval ${1}_DEPFLAGS=\$_depflags
4039     else
4040         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4041         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4042         eval DEP${1}FLAGS=\$_flags
4043     fi
4044 }
4045
4046 probe_cc cc "$cc" "true"
4047 cflags_filter=$_flags_filter
4048 cflags_speed=$_cflags_speed
4049 cflags_size=$_cflags_size
4050 cflags_noopt=$_cflags_noopt
4051 add_cflags $_flags $_cflags
4052 cc_ldflags=$_ldflags
4053 set_ccvars CC
4054
4055 probe_cc hostcc "$host_cc"
4056 host_cflags_filter=$_flags_filter
4057 add_host_cflags  $_flags $_cflags
4058 set_ccvars HOSTCC
4059
4060 test -n "$cc_type" && enable $cc_type ||
4061     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4062
4063 : ${as_default:=$cc}
4064 : ${objcc_default:=$cc}
4065 : ${dep_cc_default:=$cc}
4066 : ${ld_default:=$cc}
4067 : ${host_ld_default:=$host_cc}
4068 set_default ar as objcc dep_cc ld ln_s host_ld windres
4069
4070 probe_cc as "$as"
4071 asflags_filter=$_flags_filter
4072 add_asflags $_flags $_cflags
4073 set_ccvars AS
4074
4075 probe_cc objcc "$objcc"
4076 objcflags_filter=$_flags_filter
4077 add_objcflags $_flags $_cflags
4078 set_ccvars OBJC
4079
4080 probe_cc ld "$ld"
4081 ldflags_filter=$_flags_filter
4082 add_ldflags $_flags $_ldflags
4083 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4084 LD_O=${_ld_o-$LD_O}
4085 LD_LIB=${_ld_lib-$LD_LIB}
4086 LD_PATH=${_ld_path-$LD_PATH}
4087
4088 probe_cc hostld "$host_ld"
4089 host_ldflags_filter=$_flags_filter
4090 add_host_ldflags $_flags $_ldflags
4091 HOSTLD_O=${_ld_o-$HOSTLD_O}
4092
4093 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4094     probe_cc depcc "$dep_cc"
4095     CCDEP=${_DEPCMD:-$DEPCMD}
4096     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4097     DEPCCFLAGS=$_flags
4098 fi
4099
4100 if $ar 2>&1 | grep -q Microsoft; then
4101     arflags="-nologo"
4102     ar_o='-out:$@'
4103 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
4104     arflags="rq"
4105     ar_o='$@'
4106 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
4107     arflags='-Xany -r -c'
4108     ar_o='$@'
4109 elif $ar 2>&1 | grep -q "\[D\] "; then
4110     arflags="rcD"
4111     ar_o='$@'
4112 else
4113     arflags="rc"
4114     ar_o='$@'
4115 fi
4116
4117 add_cflags $extra_cflags
4118 add_cxxflags $extra_cxxflags
4119 add_objcflags $extra_objcflags
4120 add_asflags $extra_cflags
4121
4122 if test -n "$sysroot"; then
4123     case "$cc_type" in
4124         gcc|llvm_gcc|clang)
4125             add_cppflags --sysroot="$sysroot"
4126             add_ldflags --sysroot="$sysroot"
4127 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
4128             add_cppflags -isysroot "$sysroot"
4129             add_ldflags -isysroot "$sysroot"
4130         ;;
4131         tms470)
4132             add_cppflags -I"$sysinclude"
4133             add_ldflags  --sysroot="$sysroot"
4134         ;;
4135     esac
4136 fi
4137
4138 if test "$cpu" = host; then
4139     enabled cross_compile &&
4140         die "--cpu=host makes no sense when cross-compiling."
4141
4142     case "$cc_type" in
4143         gcc|llvm_gcc)
4144             check_native(){
4145                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4146                 sed -n "/cc1.*$1=/{
4147                             s/.*$1=\\([^ ]*\\).*/\\1/
4148                             p
4149                             q
4150                         }" $TMPE
4151             }
4152             cpu=$(check_native -march || check_native -mcpu)
4153         ;;
4154         clang)
4155             check_native(){
4156                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4157                 sed -n "/cc1.*-target-cpu /{
4158                             s/.*-target-cpu \\([^ ]*\\).*/\\1/
4159                             p
4160                             q
4161                         }" $TMPE
4162             }
4163             cpu=$(check_native -march)
4164         ;;
4165     esac
4166
4167     test "${cpu:-host}" = host &&
4168         die "--cpu=host not supported with compiler $cc"
4169 fi
4170
4171 # Deal with common $arch aliases
4172 case "$arch" in
4173     aarch64|arm64)
4174         arch="aarch64"
4175     ;;
4176     arm*|iPad*|iPhone*)
4177         arch="arm"
4178     ;;
4179     mips*|IP*)
4180         case "$arch" in
4181         *el)
4182             add_cppflags -EL
4183             add_ldflags -EL
4184         ;;
4185         *eb)
4186             add_cppflags -EB
4187             add_ldflags -EB
4188         ;;
4189         esac
4190         arch="mips"
4191     ;;
4192     parisc*|hppa*)
4193         arch="parisc"
4194     ;;
4195     "Power Macintosh"|ppc*|powerpc*)
4196         arch="ppc"
4197     ;;
4198     s390|s390x)
4199         arch="s390"
4200     ;;
4201     sh4|sh)
4202         arch="sh4"
4203     ;;
4204     sun4u|sparc*)
4205         arch="sparc"
4206     ;;
4207     tilegx|tile-gx)
4208         arch="tilegx"
4209     ;;
4210     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4211         arch="x86"
4212     ;;
4213 esac
4214
4215 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4216 enable $arch
4217
4218 # Add processor-specific flags
4219 if enabled aarch64; then
4220
4221     case $cpu in
4222         armv*)
4223             cpuflags="-march=$cpu"
4224         ;;
4225         *)
4226             cpuflags="-mcpu=$cpu"
4227         ;;
4228     esac
4229
4230 elif enabled alpha; then
4231
4232     cpuflags="-mcpu=$cpu"
4233
4234 elif enabled arm; then
4235
4236     check_arm_arch() {
4237         check_cpp_condition stddef.h \
4238             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4239             $cpuflags
4240     }
4241
4242     probe_arm_arch() {
4243         if   check_arm_arch 4;        then echo armv4
4244         elif check_arm_arch 4T;       then echo armv4t
4245         elif check_arm_arch 5;        then echo armv5
4246         elif check_arm_arch 5E;       then echo armv5e
4247         elif check_arm_arch 5T;       then echo armv5t
4248         elif check_arm_arch 5TE;      then echo armv5te
4249         elif check_arm_arch 5TEJ;     then echo armv5te
4250         elif check_arm_arch 6;        then echo armv6
4251         elif check_arm_arch 6J;       then echo armv6j
4252         elif check_arm_arch 6K;       then echo armv6k
4253         elif check_arm_arch 6Z;       then echo armv6z
4254         elif check_arm_arch 6ZK;      then echo armv6zk
4255         elif check_arm_arch 6T2;      then echo armv6t2
4256         elif check_arm_arch 7;        then echo armv7
4257         elif check_arm_arch 7A  7_A;  then echo armv7-a
4258         elif check_arm_arch 7S;       then echo armv7-a
4259         elif check_arm_arch 7R  7_R;  then echo armv7-r
4260         elif check_arm_arch 7M  7_M;  then echo armv7-m
4261         elif check_arm_arch 7EM 7E_M; then echo armv7-m
4262         elif check_arm_arch 8A  8_A;  then echo armv8-a
4263         fi
4264     }
4265
4266     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4267
4268     case $cpu in
4269         armv*)
4270             cpuflags="-march=$cpu"
4271             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4272         ;;
4273         *)
4274             cpuflags="-mcpu=$cpu"
4275             case $cpu in
4276                 cortex-a*)                               subarch=armv7a  ;;
4277                 cortex-r*)                               subarch=armv7r  ;;
4278                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
4279                 arm11*)                                  subarch=armv6   ;;
4280                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4281                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
4282                 *)                             subarch=$(probe_arm_arch) ;;
4283             esac
4284         ;;
4285     esac
4286
4287     case "$subarch" in
4288         armv5t*)    enable fast_clz                ;;
4289         armv[6-8]*)
4290             enable fast_clz
4291             disabled fast_unaligned || enable fast_unaligned
4292             ;;
4293     esac
4294
4295 elif enabled avr32; then
4296
4297     case $cpu in
4298         ap7[02]0[0-2])
4299             subarch="avr32_ap"
4300             cpuflags="-mpart=$cpu"
4301         ;;
4302         ap)
4303             subarch="avr32_ap"
4304             cpuflags="-march=$cpu"
4305         ;;
4306         uc3[ab]*)
4307             subarch="avr32_uc"
4308             cpuflags="-mcpu=$cpu"
4309         ;;
4310         uc)
4311             subarch="avr32_uc"
4312             cpuflags="-march=$cpu"
4313         ;;
4314     esac
4315
4316 elif enabled bfin; then
4317
4318     cpuflags="-mcpu=$cpu"
4319
4320 elif enabled mips; then
4321
4322     cpuflags="-march=$cpu"
4323
4324     if [ "$cpu" != "generic" ]; then
4325         disable mips32r2
4326         disable mips32r5
4327         disable mips64r2
4328         disable mips32r6
4329         disable mips64r6
4330         disable loongson2
4331         disable loongson3
4332
4333         case $cpu in
4334             24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4335                 enable mips32r2
4336                 disable msa
4337             ;;
4338             p5600|i6400)
4339                 disable mipsdsp
4340                 disable mipsdspr2
4341             ;;
4342             loongson*)
4343                 enable loongson2
4344                 enable loongson3
4345                 enable local_aligned_8 local_aligned_16 local_aligned_32
4346                 enable simd_align_16
4347                 enable fast_64bit
4348                 enable fast_clz
4349                 enable fast_cmov
4350                 enable fast_unaligned
4351                 disable aligned_stack
4352                 case $cpu in
4353                     loongson3*)
4354                         cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4355                     ;;
4356                     loongson2e)
4357                         cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4358                     ;;
4359                     loongson2f)
4360                         cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4361                     ;;
4362                 esac
4363             ;;
4364             *)
4365                 # Unknown CPU. Disable everything.
4366                 warn "unknown CPU. Disabling all MIPS optimizations."
4367                 disable mipsfpu
4368                 disable mipsdsp
4369                 disable mipsdspr2
4370                 disable msa
4371                 disable mmi
4372             ;;
4373         esac
4374
4375         case $cpu in
4376             24kc)
4377                 disable mipsfpu
4378                 disable mipsdsp
4379                 disable mipsdspr2
4380             ;;
4381             24kf*)
4382                 disable mipsdsp
4383                 disable mipsdspr2
4384             ;;
4385             24kec|34kc|1004kc)
4386                 disable mipsfpu
4387                 disable mipsdspr2
4388             ;;
4389             24kef*|34kf*|1004kf*)
4390                 disable mipsdspr2
4391             ;;
4392             74kc)
4393                 disable mipsfpu
4394             ;;
4395             p5600)
4396                 enable mips32r5
4397                 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4398             ;;
4399             i6400)
4400                 enable mips64r6
4401                 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4402             ;;
4403         esac
4404     else
4405         # We do not disable anything. Is up to the user to disable the unwanted features.
4406         warn 'generic cpu selected'
4407     fi
4408
4409 elif enabled ppc; then
4410
4411     disable ldbrx
4412
4413     case $(tolower $cpu) in
4414         601|ppc601|powerpc601)
4415             cpuflags="-mcpu=601"
4416             disable altivec
4417         ;;
4418         603*|ppc603*|powerpc603*)
4419             cpuflags="-mcpu=603"
4420             disable altivec
4421         ;;
4422         604*|ppc604*|powerpc604*)
4423             cpuflags="-mcpu=604"
4424             disable altivec
4425         ;;
4426         g3|75*|ppc75*|powerpc75*)
4427             cpuflags="-mcpu=750"
4428             disable altivec
4429         ;;
4430         g4|745*|ppc745*|powerpc745*)
4431             cpuflags="-mcpu=7450"
4432             disable vsx
4433         ;;
4434         74*|ppc74*|powerpc74*)
4435             cpuflags="-mcpu=7400"
4436             disable vsx
4437         ;;
4438         g5|970|ppc970|powerpc970)
4439             cpuflags="-mcpu=970"
4440             disable vsx
4441         ;;
4442         power[3-6]*)
4443             cpuflags="-mcpu=$cpu"
4444             disable vsx
4445         ;;
4446         power[7-8]*)
4447             cpuflags="-mcpu=$cpu"
4448         ;;
4449         cell)
4450             cpuflags="-mcpu=cell"
4451             enable ldbrx
4452             disable vsx
4453         ;;
4454         e500mc)
4455             cpuflags="-mcpu=e500mc"
4456             disable altivec
4457         ;;
4458         e500v2)
4459             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4460             disable altivec
4461             disable dcbzl
4462         ;;
4463         e500)
4464             cpuflags="-mcpu=8540 -mhard-float"
4465             disable altivec
4466             disable dcbzl
4467         ;;
4468     esac
4469
4470 elif enabled sparc; then
4471
4472     case $cpu in
4473         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4474             cpuflags="-mcpu=$cpu"
4475         ;;
4476         ultrasparc*|niagara[234])
4477             cpuflags="-mcpu=$cpu"
4478         ;;
4479     esac
4480
4481 elif enabled x86; then
4482
4483     case $cpu in
4484         i[345]86|pentium)
4485             cpuflags="-march=$cpu"
4486             disable i686
4487             disable mmx
4488         ;;
4489         # targets that do NOT support nopl and conditional mov (cmov)
4490         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4491             cpuflags="-march=$cpu"
4492             disable i686
4493         ;;
4494         # targets that do support nopl and conditional mov (cmov)
4495         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4496         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4497             cpuflags="-march=$cpu"
4498             enable i686
4499             enable fast_cmov
4500         ;;
4501         # targets that do support conditional mov but on which it's slow
4502         pentium4|pentium4m|prescott|nocona)
4503             cpuflags="-march=$cpu"
4504             enable i686
4505             disable fast_cmov
4506         ;;
4507     esac
4508
4509 fi
4510
4511 if [ "$cpu" != generic ]; then
4512     add_cflags  $cpuflags
4513     add_asflags $cpuflags
4514     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4515 fi
4516
4517 # compiler sanity check
4518 check_exec <<EOF
4519 int main(void){ return 0; }
4520 EOF
4521 if test "$?" != 0; then
4522     echo "$cc is unable to create an executable file."
4523     if test -z "$cross_prefix" && ! enabled cross_compile ; then
4524         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4525         echo "Only do this if you know what cross compiling means."
4526     fi
4527     die "C compiler test failed."
4528 fi
4529
4530 add_cppflags -D_ISOC99_SOURCE
4531 add_cxxflags -D__STDC_CONSTANT_MACROS
4532 add_cxxflags -std=c++11
4533 check_cflags -std=c99
4534 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4535 #include <stdlib.h>
4536 EOF
4537 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4538 #include <stdlib.h>
4539 EOF
4540
4541 add_host_cppflags -D_ISOC99_SOURCE
4542 check_host_cflags -std=c99
4543 check_host_cflags -Wall
4544 check_host_cflags -O3
4545
4546 check_64bit(){
4547     arch32=$1
4548     arch64=$2
4549     expr=$3
4550     check_code cc "" "int test[2*($expr) - 1]" &&
4551         subarch=$arch64 || subarch=$arch32
4552 }
4553
4554 case "$arch" in
4555     aarch64|alpha|ia64)
4556         spic=$shared
4557     ;;
4558     mips)
4559         check_64bit mips mips64 '_MIPS_SIM > 1'
4560         spic=$shared
4561     ;;
4562     parisc)
4563         check_64bit parisc parisc64 'sizeof(void *) > 4'
4564         spic=$shared
4565     ;;
4566     ppc)
4567         check_64bit ppc ppc64 'sizeof(void *) > 4'
4568         spic=$shared
4569     ;;
4570     s390)
4571         check_64bit s390 s390x 'sizeof(void *) > 4'
4572         spic=$shared
4573     ;;
4574     sparc)
4575         check_64bit sparc sparc64 'sizeof(void *) > 4'
4576         spic=$shared
4577     ;;
4578     x86)
4579         check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4580         # Treat x32 as x64 for now. Note it also needs spic=$shared
4581         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4582             subarch=x86_64
4583         if test "$subarch" = "x86_64"; then
4584             spic=$shared
4585         fi
4586     ;;
4587     ppc)
4588         check_cc <<EOF && subarch="ppc64"
4589         int test[(int)sizeof(char*) - 7];
4590 EOF
4591     ;;
4592 esac
4593
4594 enable $subarch
4595 enabled spic && enable_weak pic
4596
4597 # OS specific
4598 case $target_os in
4599     aix)
4600         SHFLAGS=-shared
4601         add_cppflags '-I\$(SRC_PATH)/compat/aix'
4602         enabled shared && add_ldflags -Wl,-brtl
4603         ;;
4604     android)
4605         disable symver
4606         enable section_data_rel_ro
4607         SLIB_INSTALL_NAME='$(SLIBNAME)'
4608         SLIB_INSTALL_LINKS=
4609         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4610         ;;
4611     haiku)
4612         prefix_default="/boot/common"
4613         network_extralibs="-lnetwork"
4614         host_libs=
4615         ;;
4616     sunos)
4617         SHFLAGS='-shared -Wl,-h,$$(@F)'
4618         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4619         network_extralibs="-lsocket -lnsl"
4620         add_cppflags -D__EXTENSIONS__
4621         # When using suncc to build, the Solaris linker will mark
4622         # an executable with each instruction set encountered by
4623         # the Solaris assembler.  As our libraries contain their own
4624         # guards for processor-specific code, instead suppress
4625         # generation of the HWCAPS ELF section on Solaris x86 only.
4626         enabled_all suncc x86 &&
4627             echo "hwcap_1 = OVERRIDE;" > mapfile &&
4628             add_ldflags -Wl,-M,mapfile
4629         nm_default='nm -P -g'
4630         SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
4631         ;;
4632     netbsd)
4633         disable symver
4634         oss_indev_extralibs="-lossaudio"
4635         oss_outdev_extralibs="-lossaudio"
4636         enabled gcc || check_ldflags -Wl,-zmuldefs
4637         ;;
4638     openbsd|bitrig)
4639         disable symver
4640         SHFLAGS='-shared'
4641         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4642         SLIB_INSTALL_LINKS=
4643         oss_indev_extralibs="-lossaudio"
4644         oss_outdev_extralibs="-lossaudio"
4645         ;;
4646     dragonfly)
4647         disable symver
4648         ;;
4649     freebsd)
4650         ;;
4651     bsd/os)
4652         add_extralibs -lpoll -lgnugetopt
4653         strip="strip -d"
4654         ;;
4655     darwin)
4656         enabled ppc && add_asflags -force_cpusubtype_ALL
4657         install_name_dir_default='$(SHLIBDIR)'
4658         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4659         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4660         strip="${strip} -x"
4661         add_ldflags -Wl,-dynamic,-search_paths_first
4662         SLIBSUF=".dylib"
4663         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4664         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4665         objformat="macho"
4666         enabled x86_64 && objformat="macho64"
4667         enabled_any pic shared x86_64 ||
4668             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4669         check_header dispatch/dispatch.h &&
4670             add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
4671         ;;
4672     msys*)
4673         die "Native MSYS builds are discouraged, please use the MINGW environment."
4674         ;;
4675     mingw32*|mingw64*)
4676         if test $target_os = "mingw32ce"; then
4677             disable network
4678         else
4679             target_os=mingw32
4680         fi
4681         decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4682         decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4683         LIBTARGET=i386
4684         if enabled x86_64; then
4685             LIBTARGET="i386:x86-64"
4686         elif enabled arm; then
4687             LIBTARGET=arm-wince
4688         fi
4689         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4690         enabled x86_32 && check_ldflags -Wl,--large-address-aware
4691         shlibdir_default="$bindir_default"
4692         SLIBPREF=""
4693         SLIBSUF=".dll"
4694         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4695         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4696         dlltool="${cross_prefix}dlltool"
4697         if check_cmd lib.exe -list; then
4698             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4699             if enabled x86_64; then
4700                 LIBTARGET=x64
4701             fi
4702         elif check_cmd $dlltool --version; then
4703             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4704         fi
4705         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4706         SLIB_INSTALL_LINKS=
4707         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4708         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4709         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
4710         objformat="win32"
4711         ranlib=:
4712         enable dos_paths
4713         check_ldflags -Wl,--nxcompat,--dynamicbase
4714         # Lets work around some stupidity in binutils.
4715         # ld will strip relocations from executables even though we need them
4716         # for dynamicbase (ASLR).  Using -pie does retain the reloc section
4717         # however ld then forgets what the entry point should be (oops) so we
4718         # have to manually (re)set it.
4719         if enabled x86_32; then
4720             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4721         elif enabled x86_64; then
4722             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4723             check_ldflags -Wl,--high-entropy-va # binutils 2.25
4724             # Set image base >4GB for extra entropy with HEASLR
4725             add_ldexeflags -Wl,--image-base,0x140000000
4726             append SHFLAGS -Wl,--image-base,0x180000000
4727         fi
4728         ;;
4729     win32|win64)
4730         disable symver
4731         if enabled shared; then
4732             # Link to the import library instead of the normal static library
4733             # for shared libs.
4734             LD_LIB='%.lib'
4735             # Cannot build both shared and static libs with MSVC or icl.
4736             disable static
4737         fi
4738         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4739         shlibdir_default="$bindir_default"
4740         SLIBPREF=""
4741         SLIBSUF=".dll"
4742         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4743         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4744         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4745         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4746         SLIB_INSTALL_LINKS=
4747         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4748         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4749         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4750         objformat="win32"
4751         ranlib=:
4752         enable dos_paths
4753         ;;
4754     cygwin*)
4755         target_os=cygwin
4756         shlibdir_default="$bindir_default"
4757         SLIBPREF="cyg"
4758         SLIBSUF=".dll"
4759         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4760         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4761         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4762         SLIB_INSTALL_LINKS=
4763         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4764         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4765         objformat="win32"
4766         enable dos_paths
4767         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4768         ;;
4769     *-dos|freedos|opendos)
4770         network_extralibs="-lsocket"
4771         objformat="coff"
4772         enable dos_paths
4773         add_cppflags -U__STRICT_ANSI__
4774         ;;
4775     linux)
4776         enable dv1394
4777         enable section_data_rel_ro
4778         ;;
4779     irix*)
4780         target_os=irix
4781         ranlib="echo ignoring ranlib"
4782         ;;
4783     os/2*)
4784         strip="lxlite -CS"
4785         objformat="aout"
4786         add_cppflags -D_GNU_SOURCE
4787         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4788         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4789         LIBSUF="_s.a"
4790         SLIBPREF=""
4791         SLIBSUF=".dll"
4792         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4793         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4794         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
4795             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
4796             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
4797             echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
4798             emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
4799         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
4800             emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
4801         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4802         SLIB_INSTALL_LINKS=
4803         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
4804         enable dos_paths
4805         enable_weak os2threads
4806         ;;