configure: Drop stray extralibs for libspeex
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # Libav 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 LIBAV, DO NOT REPORT IT AS SUCH."
48     echo "Instead, install a working POSIX-compatible shell."
49     echo "Disabling this configure test will create a broken Libav."
50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51         echo "This bash version ($BASH_VERSION) is broken on your platform."
52         echo "Upgrade to a later version if available."
53     fi
54     exit 1
55 fi
56
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60     cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65   --help                   print this message
66   --quiet                  Suppress showing informative output
67   --list-decoders          show all available decoders
68   --list-encoders          show all available encoders
69   --list-hwaccels          show all available hardware accelerators
70   --list-demuxers          show all available demuxers
71   --list-muxers            show all available muxers
72   --list-parsers           show all available parsers
73   --list-protocols         show all available protocols
74   --list-bsfs              show all available bitstream filters
75   --list-indevs            show all available input devices
76   --list-outdevs           show all available output devices
77   --list-filters           show all available filters
78
79 Standard options:
80   --logfile=FILE           log tests and output to FILE [avbuild/config.log]
81   --disable-logging        do not log configure debug information
82   --prefix=PREFIX          install in PREFIX [$prefix_default]
83   --bindir=DIR             install binaries in DIR [PREFIX/bin]
84   --datadir=DIR            install data files in DIR [PREFIX/share/avconv]
85   --docdir=DIR             install documentation in DIR [PREFIX/share/doc/libav]
86   --libdir=DIR             install libs in DIR [PREFIX/lib]
87   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
88   --incdir=DIR             install includes in DIR [PREFIX/include]
89   --mandir=DIR             install man page in DIR [PREFIX/share/man]
90   --enable-rpath           use rpath when linking programs (USE WITH CARE)
91
92 Licensing options:
93   --enable-gpl             allow use of GPL code, the resulting libs
94                            and binaries will be under GPL [no]
95   --enable-version3        upgrade (L)GPL to version 3 [no]
96   --enable-nonfree         allow use of nonfree code, the resulting libs
97                            and binaries will be unredistributable [no]
98
99 Configuration options:
100   --disable-static         do not build static libraries [no]
101   --enable-shared          build shared libraries [no]
102   --enable-small           optimize for size instead of speed
103   --enable-runtime-cpudetect detect CPU capabilities at runtime (bigger binary)
104   --enable-gray            enable full grayscale support (slower color)
105   --disable-swscale-alpha  disable alpha channel support in swscale
106   --disable-all            disable building components, libraries and programs
107
108 Program options:
109   --disable-programs       do not build command line programs
110   --disable-avconv         disable avconv build
111   --disable-avplay         disable avplay build
112   --disable-avprobe        disable avprobe build
113   --disable-avserver       deprecated, does nothing
114
115 Component options:
116   --disable-doc            do not build documentation
117   --disable-pod2man        do not build manual pages
118   --disable-texi2html      do not build HTML documentation
119   --disable-avdevice       disable libavdevice build
120   --disable-avcodec        disable libavcodec build
121   --disable-avformat       disable libavformat build
122   --disable-avutil         disable libavutil build
123   --disable-swscale        disable libswscale build
124   --disable-avfilter       disable video filter support [no]
125   --disable-avresample     disable libavresample build [no]
126   --disable-pthreads       disable pthreads [auto]
127   --disable-w32threads     disable Win32 threads [auto]
128   --disable-network        disable network support [no]
129   --disable-dct            disable DCT code
130   --disable-error-resilience disable error resilience code
131   --disable-lsp            disable LSP code
132   --disable-lzo            disable LZO decoder code
133   --disable-mdct           disable MDCT code
134   --disable-rdft           disable RDFT code
135   --disable-fft            disable FFT code
136   --disable-faan           disable floating point AAN (I)DCT code
137
138 Individual component options:
139   --disable-everything     disable all components listed below
140   --disable-encoder=NAME   disable encoder NAME
141   --enable-encoder=NAME    enable encoder NAME
142   --disable-encoders       disable all encoders
143   --disable-decoder=NAME   disable decoder NAME
144   --enable-decoder=NAME    enable decoder NAME
145   --disable-decoders       disable all decoders
146   --disable-hwaccel=NAME   disable hwaccel NAME
147   --enable-hwaccel=NAME    enable hwaccel NAME
148   --disable-hwaccels       disable all hwaccels
149   --disable-muxer=NAME     disable muxer NAME
150   --enable-muxer=NAME      enable muxer NAME
151   --disable-muxers         disable all muxers
152   --disable-demuxer=NAME   disable demuxer NAME
153   --enable-demuxer=NAME    enable demuxer NAME
154   --disable-demuxers       disable all demuxers
155   --enable-parser=NAME     enable parser NAME
156   --disable-parser=NAME    disable parser NAME
157   --disable-parsers        disable all parsers
158   --enable-bsf=NAME        enable bitstream filter NAME
159   --disable-bsf=NAME       disable bitstream filter NAME
160   --disable-bsfs           disable all bitstream filters
161   --enable-protocol=NAME   enable protocol NAME
162   --disable-protocol=NAME  disable protocol NAME
163   --disable-protocols      disable all protocols
164   --enable-indev=NAME      enable input device NAME
165   --disable-indev=NAME     disable input device NAME
166   --disable-indevs         disable input devices
167   --enable-outdev=NAME     enable output device NAME
168   --disable-outdev=NAME    disable output device NAME
169   --disable-outdevs        disable output devices
170   --disable-devices        disable all devices
171   --enable-filter=NAME     enable filter NAME
172   --disable-filter=NAME    disable filter NAME
173   --disable-filters        disable all filters
174
175 External library support:
176
177   Using any of the following switches will allow Libav to link to the
178   corresponding external library. All the components depending on that library
179   will become enabled, if all their other dependencies are met and they are not
180   explicitly disabled. E.g. --enable-libwavpack will enable linking to
181   libwavpack and allow the libwavpack encoder to be built, unless it is
182   specifically disabled with --disable-encoder=libwavpack.
183
184   Note that only the system libraries are auto-detected. All the other external
185   libraries must be explicitly enabled.
186
187   Also note that the following help text describes the purpose of the libraries
188   themselves, not all their features will necessarily be usable by Libav.
189
190   --enable-avisynth          video frameserver
191   --enable-avxsynth          Linux version of AviSynth
192   --enable-bzlib             bzip2 compression [autodetect]
193   --enable-frei0r            video filtering plugins
194   --enable-gnutls            crypto
195   --enable-libbs2b           Bauer stereophonic-to-binaural DSP
196   --enable-libcdio           audio CD input
197   --enable-libdc1394         IEEE 1394/Firewire camera input
198   --enable-libdcadec         DCA audio decoding
199   --enable-libfaac           AAC audio encoding
200   --enable-libfdk-aac        AAC audio encoding/decoding
201   --enable-libfontconfig     font configuration and management
202   --enable-libfreetype       font rendering
203   --enable-libgsm            GSM audio encoding/decoding
204   --enable-libhdcd           HDCD decoding filter
205   --enable-libilbc           ILBC audio encoding/decoding
206   --enable-libjack           JACK audio sound server
207   --enable-libkvazaar        HEVC video encoding
208   --enable-libmp3lame        MP3 audio encoding
209   --enable-libopencore-amrnb AMR-NB audio encoding/decoding
210   --enable-libopencore-amrwb AMR-WB audio decoding
211   --enable-libopencv         computer vision
212   --enable-libopenh264       H.264 video encoding/decoding
213   --enable-libopenjpeg       JPEG 2000 image encoding/decoding
214   --enable-libopus           Opus audio encoding/decoding
215   --enable-libpulse          Pulseaudio sound server
216   --enable-librtmp           RTMP streaming
217   --enable-libschroedinger   Dirac video encoding/decoding
218   --enable-libsnappy         snappy compression
219   --enable-libspeex          Speex audio encoding/decoding
220   --enable-libtheora         Theora video encoding/decoding
221   --enable-libtwolame        MP2 audio encoding
222   --enable-libvo-aacenc      AAC audio encoding
223   --enable-libvo-amrwbenc    AMR-WB audio encoding
224   --enable-libvorbis         Vorbis audio encoding/decoding
225   --enable-libvpx            VP* video encoding/decoding
226   --enable-libwavpack        Wavpack audio encoding/decoding
227   --enable-libwebp           WebP image encoding/decoding
228   --enable-libx264           H.264 video encoding
229   --enable-libx265           HEVC video encoding
230   --enable-libxavs           Chinese AVS video encoding
231   --enable-libxcb            X window system protocol communication
232   --enable-libxcb-shm        X11 shm communication [auto]
233   --enable-libxcb-xfixes     X11 mouse rendering [auto]
234   --enable-libxvid           MPEG-4 ASP video encoding
235   --enable-openssl           crypto
236   --enable-zlib              compression [autodetect]
237
238   The following libraries provide various hardware acceleration features:
239   --enable-cuda    Nvidia CUDA (dynamically linked)
240   --enable-cuvid   Nvidia CUVID video decode acceleration
241   --enable-d3d11va Microsoft Direct3D 11 video acceleration [auto]
242   --enable-dxva2   Microsoft DirectX 9 video acceleration [auto]
243   --enable-libmfx  Intel MediaSDK (AKA Quick Sync Video)
244   --enable-libnpp  Nvidia CUDA processing
245   --enable-mmal    Broadcom Multi-Media Abstraction Layer (Raspberry Pi)
246   --enable-nvenc   Nvidia video encoding
247   --enable-omx     OpenMAX IL
248   --enable-omx-rpi OpenMAX IL for Raspberry Pi
249   --enable-vaapi   Video Acceleration API (mainly Unix/Intel)
250   --enable-vda     Apple Video Decode Acceleration [auto]
251   --enable-vdpau   Nvidia Video Decode and Presentation API for Unix [auto]
252
253 Toolchain options:
254   --arch=ARCH              select architecture [$arch]
255   --cpu=CPU                select the minimum required CPU (affects
256                            instruction selection, may crash on older CPUs)
257   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
258   --enable-cross-compile   assume a cross-compiler is used
259   --sysroot=PATH           root of cross-build tree
260   --sysinclude=PATH        location of cross-build system headers
261   --target-os=OS           compiler targets OS [$target_os]
262   --target-exec=CMD        command to run executables on target
263   --target-path=DIR        path to view of build directory on target
264   --target-samples=DIR     path to samples directory on target
265   --toolchain=NAME         set tool defaults according to NAME
266   --nm=NM                  use nm tool
267   --ar=AR                  use archive tool AR [$ar_default]
268   --as=AS                  use assembler AS [$as_default]
269   --cc=CC                  use C compiler CC [$cc_default]
270   --objcc=OCC              use ObjC compiler OCC [$cc_default]
271   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
272   --ld=LD                  use linker LD
273   --x86asmexe=X86ASM       use x86 assembler X86ASM
274   --pkg-config=PKGCONFIG   use pkg-config tool PKGCONFIG [$pkg_config_default]
275   --pkg-config-flags=FLAGS pass additional flags to pkgconf []
276   --host-cc=HOSTCC         use host C compiler HOSTCC
277   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
278   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
279   --host-ld=HOSTLD         use host linker HOSTLD
280   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
281   --host-libs=HLIBS        use libs HLIBS when linking for host
282   --host-os=OS             compiler host OS [$target_os]
283   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
284   --extra-objcflags=FLAGS  add FLAGS to OBJCFLAGS [$CFLAGS]
285   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
286   --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
287   --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
288   --extra-libs=ELIBS       add ELIBS [$ELIBS]
289   --extra-version=STRING   version string suffix []
290   --optflags=OPTFLAGS      override optimization-related compiler flags
291   --enable-pic             build position-independent code
292   --enable-thumb           compile for Thumb instruction set
293   --enable-lto             use link-time optimization
294   --env="ENV=override"     override the environment variables
295
296 Advanced options (experts only):
297   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
298   --custom-allocator=NAME  use a supported custom allocator
299   --disable-symver         disable symbol versioning
300   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
301   --disable-safe-bitstream-reader
302                            disable buffer boundary checking in bitreaders
303                            (faster, but may crash)
304   --enable-sram            allow use of on-chip SRAM
305
306 Optimization options (experts only):
307   --disable-asm            disable all assembly optimizations
308   --disable-altivec        disable AltiVec optimizations
309   --disable-vsx            disable VSX optimizations
310   --disable-power8         disable POWER8 optimizations
311   --disable-amd3dnow       disable 3DNow! optimizations
312   --disable-amd3dnowext    disable 3DNow! extended optimizations
313   --disable-mmx            disable MMX optimizations
314   --disable-mmxext         disable MMXEXT optimizations
315   --disable-sse            disable SSE optimizations
316   --disable-sse2           disable SSE2 optimizations
317   --disable-sse3           disable SSE3 optimizations
318   --disable-ssse3          disable SSSE3 optimizations
319   --disable-sse4           disable SSE4 optimizations
320   --disable-sse42          disable SSE4.2 optimizations
321   --disable-avx            disable AVX optimizations
322   --disable-xop            disable XOP optimizations
323   --disable-fma3           disable FMA3 optimizations
324   --disable-fma4           disable FMA4 optimizations
325   --disable-avx2           disable AVX2 optimizations
326   --disable-armv5te        disable armv5te optimizations
327   --disable-armv6          disable armv6 optimizations
328   --disable-armv6t2        disable armv6t2 optimizations
329   --disable-vfp            disable VFP optimizations
330   --disable-neon           disable NEON optimizations
331   --disable-inline-asm     disable use of inline assembly
332   --disable-x86asm         disable use of standalone x86 assembly
333
334 Developer options (useful when working on Libav itself):
335   --disable-debug          disable debugging symbols
336   --enable-debug=LEVEL     set the debug level [$debuglevel]
337   --disable-optimizations  disable compiler optimizations
338   --enable-extra-warnings  enable more compiler warnings
339   --samples=PATH           location of test samples for FATE, if not set use
340                            \$LIBAV_SAMPLES at make invocation time.
341   --enable-neon-clobber-test check NEON registers for clobbering (should be
342                            used only for debugging purposes)
343   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
344                            should be used only for debugging purposes)
345   --enable-random          randomly enable/disable components
346   --disable-random
347   --enable-random=LIST     randomly enable/disable specific components or
348   --disable-random=LIST    component groups. LIST is a comma-separated list
349                            of NAME[:PROB] entries where NAME is a component
350                            (group) and PROB the probability associated with
351                            NAME (default 0.5).
352   --random-seed=VALUE      seed value for --enable/disable-random
353   --disable-valgrind-backtrace do not print a backtrace under Valgrind
354                            (only applies to --disable-optimizations builds)
355   --ignore-tests=TESTS     comma-separated list (without "fate-" prefix
356                            in the name) of tests whose result is ignored
357
358 NOTE: Object files are built at the place where configure is launched.
359 EOF
360   exit 0
361 }
362
363 quotes='""'
364
365 log(){
366     echo "$@" >> $logfile
367 }
368
369 log_file(){
370     log BEGIN $1
371     i=1
372     while read line; do
373         printf '%5s   %s\n' "${i}" "${line}"
374         i=$(($i+1))
375     done < $1 >> $logfile
376     log END $1
377 }
378
379 echolog(){
380     log "$@"
381     echo "$@"
382 }
383
384 warn(){
385     log "WARNING: $*"
386     WARNINGS="${WARNINGS}WARNING: $*\n"
387 }
388
389 die(){
390     echolog "$@"
391     cat <<EOF
392
393 If you think configure made a mistake, make sure you are using the latest
394 version from Git.  If the latest version fails, report the problem to the
395 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
396 EOF
397     if disabled logging; then
398         cat <<EOF
399 Rerun configure with logging enabled (do not use --disable-logging), and
400 include the log this produces with your report.
401 EOF
402     else
403         cat <<EOF
404 Include the log file "$logfile" produced by configure as this will help
405 solving the problem.
406 EOF
407     fi
408     exit 1
409 }
410
411 # Avoid locale weirdness, besides we really just want to translate ASCII.
412 toupper(){
413     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
414 }
415
416 tolower(){
417     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
418 }
419
420 c_escape(){
421     echo "$*" | sed 's/["\\]/\\\0/g'
422 }
423
424 sh_quote(){
425     v=$(echo "$1" | sed "s/'/'\\\\''/g")
426     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
427     echo "$v"
428 }
429
430 cleanws(){
431     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
432 }
433
434 filter(){
435     pat=$1
436     shift
437     for v; do
438         eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
439     done
440 }
441
442 filter_out(){
443     pat=$1
444     shift
445     for v; do
446         eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
447     done
448 }
449
450 map(){
451     m=$1
452     shift
453     for v; do eval $m; done
454 }
455
456 add_suffix(){
457     suffix=$1
458     shift
459     for v; do echo ${v}${suffix}; done
460 }
461
462 set_all(){
463     value=$1
464     shift
465     for var in $*; do
466         eval $var=$value
467     done
468 }
469
470 set_weak(){
471     value=$1
472     shift
473     for var; do
474         eval : \${$var:=$value}
475     done
476 }
477
478 sanitize_var_name(){
479     echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
480 }
481
482 set_sanitized(){
483     var=$1
484     shift
485     eval $(sanitize_var_name "$var")='$*'
486 }
487
488 get_sanitized(){
489     eval echo \$$(sanitize_var_name "$1")
490 }
491
492 pushvar(){
493     for pvar in $*; do
494         eval level=\${${pvar}_level:=0}
495         eval ${pvar}_${level}="\$$pvar"
496         eval ${pvar}_level=$(($level+1))
497     done
498 }
499
500 popvar(){
501     for pvar in $*; do
502         eval level=\${${pvar}_level:-0}
503         test $level = 0 && continue
504         eval level=$(($level-1))
505         eval $pvar="\${${pvar}_${level}}"
506         eval ${pvar}_level=$level
507         eval unset ${pvar}_${level}
508     done
509 }
510
511 enable(){
512     set_all yes $*
513 }
514
515 disable(){
516     set_all no $*
517 }
518
519 enable_weak(){
520     set_weak yes $*
521 }
522
523 disable_weak(){
524     set_weak no $*
525 }
526
527 enable_sanitized(){
528     for var; do
529         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
530     done
531 }
532
533 disable_sanitized(){
534     for var; do
535         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
536     done
537 }
538
539 do_enable_deep(){
540     for var; do
541         enabled $var && continue
542         eval sel="\$${var}_select"
543         eval sgs="\$${var}_suggest"
544         pushvar var sgs
545         enable_deep $sel
546         popvar sgs
547         enable_deep_weak $sgs
548         popvar var
549     done
550 }
551
552 enable_deep(){
553     do_enable_deep $*
554     enable $*
555 }
556
557 enable_deep_weak(){
558     for var; do
559         disabled $var && continue
560         pushvar var
561         do_enable_deep $var
562         popvar var
563         enable_weak $var
564     done
565 }
566
567 enabled(){
568     test "${1#!}" = "$1" && op== || op=!=
569     eval test "x\$${1#!}" $op "xyes"
570 }
571
572 disabled(){
573     test "${1#!}" = "$1" && op== || op=!=
574     eval test "x\$${1#!}" $op "xno"
575 }
576
577 enabled_all(){
578     for opt; do
579         enabled $opt || return 1
580     done
581 }
582
583 disabled_all(){
584     for opt; do
585         disabled $opt || return 1
586     done
587 }
588
589 enabled_any(){
590     for opt; do
591         enabled $opt && return 0
592     done
593 }
594
595 disabled_any(){
596     for opt; do
597         disabled $opt && return 0
598     done
599     return 1
600 }
601
602 set_default(){
603     for opt; do
604         eval : \${$opt:=\$${opt}_default}
605     done
606 }
607
608 is_in(){
609     value=$1
610     shift
611     for var in $*; do
612         [ $var = $value ] && return 0
613     done
614     return 1
615 }
616
617 check_deps(){
618     for cfg; do
619         enabled ${cfg}_checking && die "Circular dependency for $cfg."
620         disabled ${cfg}_checking && continue
621         enable ${cfg}_checking
622
623         eval dep_all="\$${cfg}_deps"
624         eval dep_any="\$${cfg}_deps_any"
625         eval dep_con="\$${cfg}_conflict"
626         eval dep_sel="\$${cfg}_select"
627         eval dep_sgs="\$${cfg}_suggest"
628         eval dep_ifa="\$${cfg}_if"
629         eval dep_ifn="\$${cfg}_if_any"
630
631         pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
632         check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
633         popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
634
635         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
636         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
637         enabled_all  $dep_all || disable $cfg
638         enabled_any  $dep_any || disable $cfg
639         disabled_all $dep_con || disable $cfg
640         disabled_any $dep_sel && disable $cfg
641
642         enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
643
644         for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
645             # filter out library deps, these do not belong in extralibs
646             is_in $dep $LIBRARY_LIST && continue
647             enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
648         done
649
650         disable ${cfg}_checking
651     done
652 }
653
654 print_config(){
655     pfx=$1
656     files=$2
657     shift 2
658     map 'eval echo "$v \${$v:-no}"' "$@" |
659     awk "BEGIN { split(\"$files\", files) }
660         {
661             c = \"$pfx\" toupper(\$1);
662             v = \$2;
663             sub(/yes/, 1, v);
664             sub(/no/,  0, v);
665             for (f in files) {
666                 file = files[f];
667                 if (file ~ /\\.h\$/) {
668                     printf(\"#define %s %d\\n\", c, v) >>file;
669                 } else if (file ~ /\\.asm\$/) {
670                     printf(\"%%define %s %d\\n\", c, v) >>file;
671                 } else if (file ~ /\\.mak\$/) {
672                     n = -v ? \"\" : \"!\";
673                     printf(\"%s%s=yes\\n\", n, c) >>file;
674                 }
675             }
676         }"
677 }
678
679 print_enabled(){
680     suf=$1
681     shift
682     for v; do
683         enabled $v && printf "%s\n" ${v%$suf}
684     done
685 }
686
687 append(){
688     var=$1
689     shift
690     eval "$var=\"\$$var $*\""
691 }
692
693 prepend(){
694     var=$1
695     shift
696     eval "$var=\"$* \$$var\""
697 }
698
699 unique(){
700     var=$1
701     uniq_list=""
702     for tok in $(eval echo \$$var); do
703         uniq_list="$(filter_out $tok $uniq_list) $tok"
704     done
705     eval "$var=\"${uniq_list}\""
706 }
707
708 resolve(){
709     var=$1
710     tmpvar=
711     for entry in $(eval echo \$$var); do
712         tmpvar="$tmpvar $(eval echo \$${entry})"
713     done
714     eval "$var=\"${tmpvar}\""
715 }
716
717 add_cppflags(){
718     append CPPFLAGS "$@"
719 }
720
721 add_cflags(){
722     append CFLAGS $($cflags_filter "$@")
723 }
724
725 add_cflags_headers(){
726     append CFLAGS_HEADERS $($cflags_filter "$@")
727 }
728
729 add_asflags(){
730     append ASFLAGS $($asflags_filter "$@")
731 }
732
733 add_objcflags(){
734     append OBJCFLAGS $($objcflags_filter "$@")
735 }
736
737 add_ldflags(){
738     append LDFLAGS $($ldflags_filter "$@")
739 }
740
741 add_ldexeflags(){
742     append LDEXEFLAGS $($ldflags_filter "$@")
743 }
744
745 add_ldsoflags(){
746     append LDSOFLAGS $($ldflags_filter "$@")
747 }
748
749 add_stripflags(){
750     append STRIPFLAGS "$@"
751 }
752
753 add_extralibs(){
754     prepend extralibs $($ldflags_filter "$@")
755 }
756
757 add_host_cppflags(){
758     append host_cppflags "$@"
759 }
760
761 add_host_cflags(){
762     append host_cflags $($host_cflags_filter "$@")
763 }
764
765 add_host_ldflags(){
766     append host_ldflags $($host_ldflags_filter "$@")
767 }
768
769 add_compat(){
770     append compat_objs $1
771     shift
772     map 'add_cppflags -D$v' "$@"
773 }
774
775 check_cmd(){
776     log "$@"
777     "$@" >> $logfile 2>&1
778 }
779
780 cc_o(){
781     eval printf '%s\\n' $CC_O
782 }
783
784 cc_e(){
785     eval printf '%s\\n' $CC_E
786 }
787
788 check_cc(){
789     log check_cc "$@"
790     cat > $TMPC
791     log_file $TMPC
792     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
793 }
794
795 check_objcc(){
796     log check_objcc "$@"
797     cat > $TMPC
798     log_file $TMPC
799     check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
800 }
801
802 check_cpp(){
803     log check_cpp "$@"
804     cat > $TMPC
805     log_file $TMPC
806     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
807 }
808
809 as_o(){
810     eval printf '%s\\n' $AS_O
811 }
812
813 check_as(){
814     log check_as "$@"
815     cat > $TMPS
816     log_file $TMPS
817     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
818 }
819
820 check_inline_asm(){
821     log check_inline_asm "$@"
822     name="$1"
823     code="$2"
824     shift 2
825     disable $name
826     check_cc "$@" <<EOF && enable $name
827 void foo(void){ __asm__ volatile($code); }
828 EOF
829 }
830
831 check_insn(){
832     log check_insn "$@"
833     check_inline_asm ${1}_inline "\"$2\""
834     echo "$2" | check_as && enable ${1}_external || disable ${1}_external
835 }
836
837 check_x86asm(){
838     log check_x86asm "$@"
839     echo "$1" > $TMPS
840     log_file $TMPS
841     shift 1
842     check_cmd $x86asmexe $X86ASMFLAGS "$@" -o $TMPO $TMPS
843 }
844
845 ld_o(){
846     eval printf '%s\\n' $LD_O
847 }
848
849 check_ld(){
850     log check_ld "$@"
851     flags=$(filter_out '-l*' "$@")
852     libs=$(filter '-l*' "$@")
853     check_cc $($cflags_filter $flags) || return
854     flags=$($ldflags_filter $flags)
855     libs=$($ldflags_filter $libs)
856     check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
857 }
858
859 print_include(){
860     hdr=$1
861     test "${hdr%.h}" = "${hdr}" &&
862         echo "#include $hdr"    ||
863         echo "#include <$hdr>"
864 }
865
866 check_code(){
867     log check_code "$@"
868     check=$1
869     headers=$2
870     code=$3
871     shift 3
872     {
873         for hdr in $headers; do
874             print_include $hdr
875         done
876         echo "int main(void) { $code; return 0; }"
877     } | check_$check "$@"
878 }
879
880 check_cppflags(){
881     log check_cppflags "$@"
882     check_cpp "$@" <<EOF && append CPPFLAGS "$@"
883 #include <stdlib.h>;
884 EOF
885 }
886
887 test_cflags(){
888     log test_cflags "$@"
889     set -- $($cflags_filter "$@")
890     check_cc "$@" <<EOF
891 int x;
892 EOF
893 }
894
895 check_cflags(){
896     log check_cflags "$@"
897     test_cflags "$@" && add_cflags "$@"
898 }
899
900 test_objcflags(){
901     log test_objcflags "$@"
902     set -- $($objcflags_filter "$@")
903     check_objcc "$@" <<EOF
904 int x;
905 EOF
906 }
907
908 check_objcflags(){
909     log check_objcflags "$@"
910     test_objcflags "$@" && add_objcflags "$@"
911 }
912
913 test_ldflags(){
914     log test_ldflags "$@"
915     check_ld "$@" <<EOF
916 int main(void){ return 0; }
917 EOF
918 }
919
920 check_ldflags(){
921     log check_ldflags "$@"
922     test_ldflags "$@" && add_ldflags "$@"
923 }
924
925 test_stripflags(){
926     log test_stripflags "$@"
927     # call check_cc to get a fresh TMPO
928     check_cc <<EOF
929 int main(void) { return 0; }
930 EOF
931     check_cmd $strip $STRIPFLAGS "$@" $TMPO
932 }
933
934 check_stripflags(){
935     log check_stripflags "$@"
936     test_stripflags "$@" && add_stripflags "$@"
937 }
938
939 check_header(){
940     log check_header "$@"
941     header=$1
942     shift
943     disable_sanitized $header
944     check_cpp "$@" <<EOF && enable_sanitized $header
945 #include <$header>
946 int x;
947 EOF
948 }
949
950 check_func(){
951     log check_func "$@"
952     func=$1
953     shift
954     disable $func
955     check_ld "$@" <<EOF && enable $func
956 extern int $func();
957 int main(void){ $func(); }
958 EOF
959 }
960
961 check_mathfunc(){
962     log check_mathfunc "$@"
963     func=$1
964     narg=$2
965     shift 2
966     test $narg = 2 && args="f, g" || args="f"
967     disable $func
968     check_ld "$@" <<EOF && enable $func
969 #include <math.h>
970 float foo(float f, float g) { return $func($args); }
971 int main(void){ return 0; }
972 EOF
973 }
974
975 check_func_headers(){
976     log check_func_headers "$@"
977     headers=$1
978     funcs=$2
979     shift 2
980     {
981         for hdr in $headers; do
982             print_include $hdr
983         done
984         for func in $funcs; do
985             echo "long check_$func(void) { return (long) $func; }"
986         done
987         echo "int main(void) { return 0; }"
988     } | check_ld "$@" && enable $funcs && enable_sanitized $headers
989 }
990
991 check_cpp_condition(){
992     log check_cpp_condition "$@"
993     header=$1
994     condition=$2
995     shift 2
996     check_cpp "$@" <<EOF
997 #include <$header>
998 #if !($condition)
999 #error "unsatisfied condition: $condition"
1000 #endif
1001 EOF
1002 }
1003
1004 test_cflags_cpp(){
1005     log test_cflags_cpp "$@"
1006     flags=$1
1007     condition=$2
1008     shift 2
1009     set -- $($cflags_filter "$flags")
1010     check_cpp "$@" <<EOF
1011 #if !($condition)
1012 #error "unsatisfied condition: $condition"
1013 #endif
1014 EOF
1015 }
1016
1017 check_lib(){
1018     log check_lib "$@"
1019     name="$1"
1020     headers="$2"
1021     funcs="$3"
1022     shift 3
1023     disable $name
1024     check_func_headers "$headers" "$funcs" "$@" &&
1025         enable $name && eval ${name}_extralibs="\$@"
1026 }
1027
1028 test_pkg_config(){
1029     log test_pkg_config "$@"
1030     name="$1"
1031     pkg_version="$2"
1032     pkg="${2%% *}"
1033     headers="$3"
1034     funcs="$4"
1035     shift 4
1036     disable $name
1037     check_cmd $pkg_config --exists --print-errors $pkg_version || return
1038     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1039     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1040     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1041         enable $name &&
1042         set_sanitized "${name}_cflags"    $pkg_cflags &&
1043         set_sanitized "${name}_extralibs" $pkg_libs
1044 }
1045
1046 check_pkg_config(){
1047     log check_pkg_config "$@"
1048     name="$1"
1049     test_pkg_config "$@" &&
1050         eval add_cflags \$${name}_cflags
1051 }
1052
1053 check_exec(){
1054     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1055 }
1056
1057 check_exec_crash(){
1058     log check_exec_crash "$@"
1059     code=$(cat)
1060
1061     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
1062     # are safe but may not be available everywhere.  Thus we use
1063     # raise(SIGTERM) instead.  The check is run in a subshell so we
1064     # can redirect the "Terminated" message from the shell.  SIGBUS
1065     # is not defined by standard C so it is used conditionally.
1066
1067     (check_exec "$@") >> $logfile 2>&1 <<EOF
1068 #include <signal.h>
1069 static void sighandler(int sig){
1070     raise(SIGTERM);
1071 }
1072 int foo(void){
1073     $code
1074 }
1075 int (*func_ptr)(void) = foo;
1076 int main(void){
1077     signal(SIGILL, sighandler);
1078     signal(SIGFPE, sighandler);
1079     signal(SIGSEGV, sighandler);
1080 #ifdef SIGBUS
1081     signal(SIGBUS, sighandler);
1082 #endif
1083     return func_ptr();
1084 }
1085 EOF
1086 }
1087
1088 check_type(){
1089     log check_type "$@"
1090     headers=$1
1091     type=$2
1092     shift 2
1093     disable_sanitized "$type"
1094     check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1095 }
1096
1097 check_struct(){
1098     log check_struct "$@"
1099     headers=$1
1100     struct=$2
1101     member=$3
1102     shift 3
1103     disable_sanitized "${struct}_${member}"
1104     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1105         enable_sanitized "${struct}_${member}"
1106 }
1107
1108 check_builtin(){
1109     log check_builtin "$@"
1110     name=$1
1111     headers=$2
1112     builtin=$3
1113     shift 3
1114     disable "$name"
1115     check_code ld "$headers" "$builtin" "$@" && enable "$name"
1116 }
1117
1118 check_compile_assert(){
1119     log check_compile_assert "$@"
1120     name=$1
1121     headers=$2
1122     condition=$3
1123     shift 3
1124     disable "$name"
1125     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1126 }
1127
1128 require(){
1129     log require "$@"
1130     name_version="$1"
1131     name="${1%% *}"
1132     headers="$2"
1133     func="$3"
1134     shift 3
1135     check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1136 }
1137
1138 require_header(){
1139     log require "$@"
1140     header="$1"
1141     shift
1142     check_header "$header" "$@" || die "ERROR: $header not found"
1143 }
1144
1145 require_cpp_condition(){
1146     log require "$@"
1147     header="$1"
1148     condition="$2"
1149     shift 2
1150     check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1151 }
1152
1153 require_pkg_config(){
1154     log require_pkg_config "$@"
1155     pkg_version="$2"
1156     check_pkg_config "$@" || die "ERROR: $pkg_version not found"
1157 }
1158
1159 hostcc_e(){
1160     eval printf '%s\\n' $HOSTCC_E
1161 }
1162
1163 hostcc_o(){
1164     eval printf '%s\\n' $HOSTCC_O
1165 }
1166
1167 check_host_cc(){
1168     log check_host_cc "$@"
1169     cat > $TMPC
1170     log_file $TMPC
1171     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1172 }
1173
1174 check_host_cpp(){
1175     log check_host_cpp "$@"
1176     cat > $TMPC
1177     log_file $TMPC
1178     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1179 }
1180
1181 check_host_cppflags(){
1182     log check_host_cppflags "$@"
1183     check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1184 #include <stdlib.h>;
1185 EOF
1186 }
1187
1188 check_host_cflags(){
1189     log check_host_cflags "$@"
1190     set -- $($host_cflags_filter "$@")
1191     check_host_cc "$@" <<EOF && append host_cflags "$@"
1192 int x;
1193 EOF
1194 }
1195
1196 check_host_cpp_condition(){
1197     log check_host_cpp_condition "$@"
1198     header=$1
1199     condition=$2
1200     shift 2
1201     check_host_cpp "$@" <<EOF
1202 #include <$header>
1203 #if !($condition)
1204 #error "unsatisfied condition: $condition"
1205 #endif
1206 EOF
1207 }
1208
1209 apply(){
1210     file=$1
1211     shift
1212     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1213 }
1214
1215 cp_if_changed(){
1216     cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1217     mkdir -p "$(dirname $2)"
1218     cp -f "$1" "$2"
1219 }
1220
1221 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1222 # system-dependent things.
1223
1224 AVCODEC_COMPONENTS="
1225     bsfs
1226     decoders
1227     encoders
1228     hwaccels
1229     parsers
1230 "
1231
1232 AVDEVICE_COMPONENTS="
1233     indevs
1234     outdevs
1235 "
1236 AVFILTER_COMPONENTS="
1237     filters
1238 "
1239 AVFORMAT_COMPONENTS="
1240     demuxers
1241     muxers
1242     protocols
1243 "
1244
1245 AVRESAMPLE_COMPONENTS=""
1246 AVUTIL_COMPONENTS=""
1247
1248 COMPONENT_LIST="
1249     $AVCODEC_COMPONENTS
1250     $AVDEVICE_COMPONENTS
1251     $AVFILTER_COMPONENTS
1252     $AVFORMAT_COMPONENTS
1253     $AVRESAMPLE_COMPONENTS
1254     $AVUTIL_COMPONENTS
1255 "
1256
1257 EXAMPLE_LIST="
1258     decode_audio_example
1259     decode_video_example
1260     encode_audio_example
1261     encode_video_example
1262     filter_audio_example
1263     metadata_example
1264     output_example
1265     qsvdec_example
1266     transcode_aac_example
1267 "
1268
1269 # catchall list of things that require external libs to link
1270 EXTRALIBS_LIST="
1271     cpu_init
1272     cws2fws
1273 "
1274
1275 HWACCEL_LIBRARY_NONFREE_LIST="
1276     cuda
1277     cuvid
1278     libnpp
1279 "
1280 HWACCEL_LIBRARY_LIST="
1281     $HWACCEL_LIBRARY_NONFREE_LIST
1282     d3d11va
1283     dxva2
1284     libmfx
1285     mmal
1286     nvenc
1287     omx
1288     vaapi
1289     vda
1290     vdpau
1291 "
1292
1293 EXTERNAL_LIBRARY_GPL_LIST="
1294     libcdio
1295     libx264
1296     libx265
1297     libxavs
1298     libxvid
1299 "
1300
1301 EXTERNAL_LIBRARY_NONFREE_LIST="
1302     libfaac
1303     libfdk_aac
1304     openssl
1305 "
1306
1307 EXTERNAL_LIBRARY_VERSION3_LIST="
1308     libopencore_amrnb
1309     libopencore_amrwb
1310     libvo_aacenc
1311     libvo_amrwbenc
1312 "
1313
1314 EXTERNAL_LIBRARY_LIST="
1315     $EXTERNAL_LIBRARY_GPL_LIST
1316     $EXTERNAL_LIBRARY_NONFREE_LIST
1317     $EXTERNAL_LIBRARY_VERSION3_LIST
1318     avisynth
1319     avxsynth
1320     frei0r
1321     gnutls
1322     libbs2b
1323     libdc1394
1324     libdcadec
1325     libfontconfig
1326     libfreetype
1327     libgsm
1328     libhdcd
1329     libilbc
1330     libjack
1331     libkvazaar
1332     libmp3lame
1333     libopencv
1334     libopenh264
1335     libopenjpeg
1336     libopus
1337     libpulse
1338     librtmp
1339     libschroedinger
1340     libsnappy
1341     libspeex
1342     libtheora
1343     libtwolame
1344     libvorbis
1345     libvpx
1346     libwavpack
1347     libwebp
1348     libxcb
1349     libxcb_shm
1350     libxcb_xfixes
1351 "
1352
1353 SYSTEM_LIBRARY_LIST="
1354     bzlib
1355     zlib
1356 "
1357
1358 FEATURE_LIST="
1359     gray
1360     hardcoded_tables
1361     omx_rpi
1362     runtime_cpudetect
1363     safe_bitstream_reader
1364     shared
1365     small
1366     sram
1367     static
1368     swscale_alpha
1369 "
1370
1371 LIBRARY_LIST="
1372     avcodec
1373     avdevice
1374     avfilter
1375     avformat
1376     avresample
1377     avutil
1378     swscale
1379 "
1380
1381 LICENSE_LIST="
1382     gpl
1383     nonfree
1384     version3
1385 "
1386
1387 PROGRAM_LIST="
1388     avconv
1389     avplay
1390     avprobe
1391 "
1392
1393 SUBSYSTEM_LIST="
1394     dct
1395     doc
1396     error_resilience
1397     faan
1398     fft
1399     lsp
1400     lzo
1401     mdct
1402     network
1403     rdft
1404 "
1405
1406 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1407 CONFIG_LIST="
1408     $EXAMPLE_LIST
1409     $EXTERNAL_LIBRARY_LIST
1410     $HWACCEL_LIBRARY_LIST
1411     $FEATURE_LIST
1412     $LICENSE_LIST
1413     $LIBRARY_LIST
1414     $PROGRAM_LIST
1415     $SUBSYSTEM_LIST
1416     $SYSTEM_LIBRARY_LIST
1417     neon_clobber_test
1418     pic
1419     pod2man
1420     texi2html
1421     thumb
1422     valgrind_backtrace
1423     xmm_clobber_test
1424     $COMPONENT_LIST
1425 "
1426
1427 THREADS_LIST="
1428     pthreads
1429     w32threads
1430 "
1431
1432 ATOMICS_LIST="
1433     atomics_gcc
1434     atomics_suncc
1435     atomics_win32
1436 "
1437
1438 ARCH_LIST="
1439     aarch64
1440     alpha
1441     arm
1442     avr32
1443     avr32_ap
1444     avr32_uc
1445     bfin
1446     ia64
1447     m68k
1448     mips
1449     mips64
1450     parisc
1451     ppc
1452     ppc64
1453     s390
1454     sh4
1455     sparc
1456     sparc64
1457     tilegx
1458     tilepro
1459     tomi
1460     x86
1461     x86_32
1462     x86_64
1463 "
1464
1465 ARCH_EXT_LIST_ARM="
1466     armv5te
1467     armv6
1468     armv6t2
1469     armv8
1470     neon
1471     vfp
1472     vfpv3
1473 "
1474
1475 ARCH_EXT_LIST_X86_SIMD="
1476     amd3dnow
1477     amd3dnowext
1478     avx
1479     avx2
1480     fma3
1481     fma4
1482     mmx
1483     mmxext
1484     sse
1485     sse2
1486     sse3
1487     sse4
1488     sse42
1489     ssse3
1490     xop
1491 "
1492
1493 ARCH_EXT_LIST_PPC="
1494     altivec
1495     dcbzl
1496     ldbrx
1497     power8
1498     ppc4xx
1499     vsx
1500 "
1501
1502 ARCH_EXT_LIST_X86="
1503     $ARCH_EXT_LIST_X86_SIMD
1504     cpunop
1505     i686
1506 "
1507
1508 ARCH_EXT_LIST_MIPS="
1509     loongson
1510     mips32r1
1511     mips64r1
1512     mips32r2
1513     mips64r2
1514     mips32r6
1515     mips64r6
1516 "
1517
1518 ARCH_EXT_LIST="
1519     $ARCH_EXT_LIST_ARM
1520     $ARCH_EXT_LIST_MIPS
1521     $ARCH_EXT_LIST_PPC
1522     $ARCH_EXT_LIST_X86
1523     vis
1524 "
1525
1526 ARCH_FEATURES="
1527     aligned_stack
1528     fast_64bit
1529     fast_clz
1530     fast_cmov
1531     local_aligned_8
1532     local_aligned_16
1533     local_aligned_32
1534     simd_align_16
1535     simd_align_32
1536 "
1537
1538 BUILTIN_LIST="
1539     atomic_cas_ptr
1540     machine_rw_barrier
1541     MemoryBarrier
1542     mm_empty
1543     rdtsc
1544     sem_timedwait
1545     sync_val_compare_and_swap
1546 "
1547 HAVE_LIST_CMDLINE="
1548     inline_asm
1549     symver
1550     x86asm
1551 "
1552
1553 HAVE_LIST_PUB="
1554     bigendian
1555     fast_unaligned
1556 "
1557
1558 HEADERS_LIST="
1559     AVFoundation_AVFoundation_h
1560     arpa_inet_h
1561     cdio_paranoia_h
1562     cdio_paranoia_paranoia_h
1563     dispatch_dispatch_h
1564     dev_bktr_ioctl_bt848_h
1565     dev_bktr_ioctl_meteor_h
1566     dev_ic_bt8xx_h
1567     dev_video_bktr_ioctl_bt848_h
1568     dev_video_meteor_ioctl_meteor_h
1569     direct_h
1570     dxgidebug_h
1571     dxva_h
1572     io_h
1573     mach_mach_time_h
1574     machine_ioctl_bt848_h
1575     machine_ioctl_meteor_h
1576     malloc_h
1577     poll_h
1578     stdatomic_h
1579     sys_param_h
1580     sys_resource_h
1581     sys_select_h
1582     sys_soundcard_h
1583     sys_time_h
1584     sys_un_h
1585     sys_videoio_h
1586     unistd_h
1587     valgrind_valgrind_h
1588     windows_h
1589     winsock2_h
1590 "
1591
1592 INTRINSICS_LIST="
1593     intrinsics_neon
1594 "
1595
1596 MATH_FUNCS="
1597     atanf
1598     atan2f
1599     cbrtf
1600     cosf
1601     exp2
1602     exp2f
1603     expf
1604     isinf
1605     isnan
1606     ldexpf
1607     llrint
1608     llrintf
1609     log2
1610     log2f
1611     log10f
1612     lrint
1613     lrintf
1614     powf
1615     rint
1616     round
1617     roundf
1618     sinf
1619     trunc
1620     truncf
1621 "
1622
1623 SYSTEM_FUNCS="
1624     aligned_malloc
1625     clock_gettime
1626     closesocket
1627     CommandLineToArgvW
1628     CryptGenRandom
1629     fcntl
1630     getaddrinfo
1631     gethrtime
1632     getopt
1633     GetProcessAffinityMask
1634     GetProcessMemoryInfo
1635     GetProcessTimes
1636     getrusage
1637     GetSystemTimeAsFileTime
1638     gettimeofday
1639     gmtime_r
1640     inet_aton
1641     isatty
1642     localtime_r
1643     mach_absolute_time
1644     MapViewOfFile
1645     memalign
1646     mmap
1647     mprotect
1648     nanosleep
1649     posix_memalign
1650     sched_getaffinity
1651     SetConsoleTextAttribute
1652     setmode
1653     setrlimit
1654     Sleep
1655     strerror_r
1656     sysconf
1657     sysctl
1658     usleep
1659     VirtualAlloc
1660 "
1661
1662 TOOLCHAIN_FEATURES="
1663     as_arch_directive
1664     as_fpu_directive
1665     as_func
1666     as_object_arch
1667     asm_mod_q
1668     blocks_extension
1669     ebp_available
1670     ebx_available
1671     gnu_as
1672     ibm_asm
1673     inline_asm_labels
1674     pragma_deprecated
1675     symver_asm_label
1676     symver_gnu_asm
1677     vfp_args
1678     xform_asm
1679     xmm_clobbers
1680 "
1681
1682 TYPES_LIST="
1683     CONDITION_VARIABLE_Ptr
1684     CUVIDDECODECREATEINFO_bitDepthMinus8
1685     socklen_t
1686     struct_addrinfo
1687     struct_group_source_req
1688     struct_ip_mreq_source
1689     struct_ipv6_mreq
1690     struct_pollfd
1691     struct_rusage_ru_maxrss
1692     struct_sockaddr_in6
1693     struct_sockaddr_sa_len
1694     struct_sockaddr_storage
1695     struct_v4l2_frmivalenum_discrete
1696 "
1697
1698 HAVE_LIST="
1699     $ARCH_EXT_LIST
1700     $(add_suffix _external $ARCH_EXT_LIST)
1701     $(add_suffix _inline   $ARCH_EXT_LIST)
1702     $ARCH_FEATURES
1703     $BUILTIN_LIST
1704     $HAVE_LIST_CMDLINE
1705     $HAVE_LIST_PUB
1706     $HEADERS_LIST
1707     $INTRINSICS_LIST
1708     $MATH_FUNCS
1709     $SYSTEM_FUNCS
1710     $THREADS_LIST
1711     $TOOLCHAIN_FEATURES
1712     $TYPES_LIST
1713     dos_paths
1714     libc_msvcrt
1715     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
1716     sdl
1717     section_data_rel_ro
1718     threads
1719     uwp
1720     vaapi_drm
1721     vaapi_x11
1722     vdpau_x11
1723 "
1724
1725 # options emitted with CONFIG_ prefix but not available on the command line
1726 CONFIG_EXTRA="
1727     aandcttables
1728     ac3dsp
1729     adts_header
1730     audio_frame_queue
1731     audiodsp
1732     blockdsp
1733     bswapdsp
1734     cabac
1735     cbs
1736     cbs_h264
1737     cbs_h265
1738     cbs_mpeg2
1739     dirac_parse
1740     dvprofile
1741     faandct
1742     faanidct
1743     fdctdsp
1744     flacdsp
1745     fmtconvert
1746     g722dsp
1747     gmp
1748     golomb
1749     gplv3
1750     h263dsp
1751     h264chroma
1752     h264dsp
1753     h264parse
1754     h264pred
1755     h264qpel
1756     hevcparse
1757     hpeldsp
1758     huffman
1759     huffyuvdsp
1760     huffyuvencdsp
1761     idctdsp
1762     iirfilter
1763     imdct15
1764     intrax8
1765     iso_media
1766     ividsp
1767     jpegtables
1768     lgplv3
1769     libx262
1770     libxcb_shape
1771     lpc
1772     lzf
1773     me_cmp
1774     mpeg_er
1775     mpegaudio
1776     mpegaudiodsp
1777     mpegaudioheader
1778     mpegvideo
1779     mpegvideoenc
1780     mss34dsp
1781     pixblockdsp
1782     qpeldsp
1783     qsv
1784     qsvdec
1785     qsvenc
1786     qsvvpp
1787     rangecoder
1788     riffdec
1789     riffenc
1790     rtpdec
1791     rtpenc_chain
1792     rv34dsp
1793     sinewin
1794     snappy
1795     srtp
1796     startcode
1797     texturedsp
1798     texturedspenc
1799     tpeldsp
1800     vaapi_encode
1801     vc1dsp
1802     videodsp
1803     vp3dsp
1804     vp56dsp
1805     vp8dsp
1806     wma_freqs
1807     wmv2dsp
1808 "
1809
1810 CMDLINE_SELECT="
1811     $ARCH_EXT_LIST
1812     $CONFIG_LIST
1813     $HAVE_LIST_CMDLINE
1814     $THREADS_LIST
1815     asm
1816     cross_compile
1817     debug
1818     extra_warnings
1819     logging
1820     lto
1821     optimizations
1822     rpath
1823 "
1824
1825 PATHS_LIST="
1826     bindir
1827     datadir
1828     docdir
1829     incdir
1830     libdir
1831     mandir
1832     prefix
1833     shlibdir
1834 "
1835
1836 CMDLINE_SET="
1837     $PATHS_LIST
1838     ar
1839     arch
1840     as
1841     cc
1842     objcc
1843     cpu
1844     cross_prefix
1845     custom_allocator
1846     dep_cc
1847     env
1848     extra_version
1849     host_cc
1850     host_cflags
1851     host_extralibs
1852     host_ld
1853     host_ldflags
1854     host_os
1855     ignore_tests
1856     ld
1857     logfile
1858     malloc_prefix
1859     nm
1860     optflags
1861     pkg_config
1862     pkg_config_flags
1863     random_seed
1864     samples
1865     sysinclude
1866     sysroot
1867     target_exec
1868     target_os
1869     target_path
1870     target_samples
1871     toolchain
1872     x86asmexe
1873 "
1874
1875 CMDLINE_APPEND="
1876     extra_cflags
1877     extra_objcflags
1878     host_cppflags
1879 "
1880
1881 # code dependency declarations
1882
1883 # architecture extensions
1884
1885 armv5te_deps="arm"
1886 armv6_deps="arm"
1887 armv6t2_deps="arm"
1888 armv8_deps="aarch64"
1889 neon_deps_any="aarch64 arm"
1890 intrinsics_neon_deps="neon"
1891 vfp_deps_any="aarch64 arm"
1892 vfpv3_deps="vfp"
1893
1894 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1895
1896 altivec_deps="ppc"
1897 dcbzl_deps="ppc"
1898 ldbrx_deps="ppc"
1899 ppc4xx_deps="ppc"
1900 vsx_deps="altivec"
1901 power8_deps="vsx"
1902
1903 loongson_deps="mips"
1904 mips32r1_deps="mips32"
1905 mips32r2_deps="mips32"
1906 mips32r6_deps="mips32"
1907 mips64r1_deps="mips64"
1908 mips64r2_deps="mips64"
1909 mips64r6_deps="mips64"
1910
1911 vis_deps="sparc"
1912
1913 cpunop_deps="i686"
1914 x86_64_select="i686"
1915 x86_64_suggest="fast_cmov"
1916
1917 amd3dnow_deps="mmx"
1918 amd3dnowext_deps="amd3dnow"
1919 i686_deps="x86"
1920 mmx_deps="x86"
1921 mmxext_deps="mmx"
1922 sse_deps="mmxext"
1923 sse2_deps="sse"
1924 sse3_deps="sse2"
1925 ssse3_deps="sse3"
1926 sse4_deps="ssse3"
1927 sse42_deps="sse4"
1928 avx_deps="sse42"
1929 xop_deps="avx"
1930 fma3_deps="avx"
1931 fma4_deps="avx"
1932 avx2_deps="avx"
1933
1934 mmx_external_deps="x86asm"
1935 mmx_inline_deps="inline_asm x86"
1936 mmx_suggest="mmx_external mmx_inline"
1937
1938 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1939     eval dep=\$${ext}_deps
1940     eval ${ext}_external_deps='"${dep}_external"'
1941     eval ${ext}_inline_deps='"${dep}_inline"'
1942     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1943 done
1944
1945 aligned_stack_if_any="aarch64 ppc x86"
1946 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1947 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1948 fast_unaligned_if_any="aarch64 ppc x86"
1949 simd_align_16_if_any="altivec neon sse"
1950 simd_align_32_if_any="avx"
1951
1952 # system capabilities
1953 symver_if_any="symver_asm_label symver_gnu_asm"
1954 valgrind_backtrace_conflict="optimizations"
1955 valgrind_backtrace_deps="valgrind_valgrind_h"
1956
1957 # threading support
1958 atomics_gcc_if="sync_val_compare_and_swap"
1959 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1960 atomics_win32_if="MemoryBarrier"
1961 atomics_native_if_any="$ATOMICS_LIST"
1962 w32threads_deps="atomics_native"
1963 threads_if_any="$THREADS_LIST"
1964
1965 # subsystems
1966 cbs_h264_select="cbs golomb"
1967 cbs_h265_select="cbs golomb"
1968 cbs_mpeg2_select="cbs"
1969 dct_select="rdft"
1970 dirac_parse_select="golomb"
1971 error_resilience_select="me_cmp"
1972 faandct_deps="faan"
1973 faandct_select="fdctdsp"
1974 faanidct_deps="faan"
1975 faanidct_select="idctdsp"
1976 h264dsp_select="startcode"
1977 hevcparse_select="golomb"
1978 intrax8_select="blockdsp idctdsp"
1979 mdct_select="fft"
1980 rdft_select="fft"
1981 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1982 mpeg_er_select="error_resilience"
1983 mpegaudio_select="mpegaudiodsp mpegaudioheader"
1984 mpegaudiodsp_select="dct"
1985 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1986 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1987 vc1dsp_select="h264chroma qpeldsp startcode"
1988
1989 # decoders / encoders
1990 aac_decoder_select="adts_header imdct15 mdct sinewin"
1991 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1992 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1993 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1994 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1995 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1996 adpcm_g722_decoder_select="g722dsp"
1997 adpcm_g722_encoder_select="g722dsp"
1998 aic_decoder_select="golomb idctdsp"
1999 alac_encoder_select="lpc"
2000 als_decoder_select="bswapdsp"
2001 amrnb_decoder_select="lsp"
2002 amrwb_decoder_select="lsp"
2003 amv_decoder_select="sp5x_decoder"
2004 ape_decoder_select="bswapdsp"
2005 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2006 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2007 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2008 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2009 atrac1_decoder_select="mdct sinewin"
2010 atrac3_decoder_select="mdct"
2011 atrac3p_decoder_select="mdct sinewin"
2012 bink_decoder_select="blockdsp hpeldsp"
2013 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2014 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2015 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2016 clearvideo_decoder_select="idctdsp"
2017 cllc_decoder_select="bswapdsp"
2018 comfortnoise_encoder_select="lpc"
2019 cook_decoder_select="audiodsp mdct sinewin"
2020 cscd_decoder_select="lzo"
2021 cscd_decoder_suggest="zlib"
2022 dca_decoder_select="fmtconvert mdct"
2023 dds_decoder_select="texturedsp"
2024 dnxhd_decoder_select="blockdsp idctdsp"
2025 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2026 dvvideo_decoder_select="dvprofile idctdsp"
2027 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2028 dxa_decoder_deps="zlib"
2029 dxv_decoder_select="lzf texturedsp"
2030 eac3_decoder_select="ac3_decoder"
2031 eac3_encoder_select="ac3_encoder"
2032 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2033 eatgq_decoder_select="aandcttables idctdsp"
2034 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2035 exr_decoder_deps="zlib"
2036 ffv1_decoder_select="rangecoder"
2037 ffv1_encoder_select="rangecoder"
2038 ffvhuff_decoder_select="huffyuv_decoder"
2039 ffvhuff_encoder_select="huffyuv_encoder"
2040 fic_decoder_select="golomb"
2041 flac_decoder_select="flacdsp"
2042 flac_encoder_select="bswapdsp flacdsp lpc"
2043 flashsv_decoder_deps="zlib"
2044 flashsv_encoder_deps="zlib"
2045 flashsv2_decoder_deps="zlib"
2046 flv_decoder_select="h263_decoder"
2047 flv_encoder_select="h263_encoder"
2048 fourxm_decoder_select="blockdsp bswapdsp"
2049 fraps_decoder_select="bswapdsp huffman"
2050 g2m_decoder_deps="zlib"
2051 g2m_decoder_select="blockdsp idctdsp jpegtables"
2052 h261_decoder_select="mpeg_er mpegvideo"
2053 h261_encoder_select="aandcttables mpegvideoenc"
2054 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2055 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2056 h263i_decoder_select="h263_decoder"
2057 h263p_encoder_select="h263_encoder"
2058 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2059 h264_decoder_suggest="error_resilience"
2060 hap_decoder_select="snappy texturedsp"
2061 hap_encoder_deps="libsnappy"
2062 hap_encoder_select="texturedspenc"
2063 hevc_decoder_select="bswapdsp cabac hevcparse videodsp"
2064 huffyuv_decoder_select="bswapdsp huffyuvdsp"
2065 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
2066 iac_decoder_select="imc_decoder"
2067 imc_decoder_select="bswapdsp fft mdct sinewin"
2068 indeo3_decoder_select="hpeldsp"
2069 indeo4_decoder_select="ividsp"
2070 indeo5_decoder_select="ividsp"
2071 interplay_video_decoder_select="hpeldsp"
2072 jpegls_decoder_select="mjpeg_decoder"
2073 jv_decoder_select="blockdsp"
2074 lagarith_decoder_select="huffyuvdsp"
2075 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2076 magicyuv_decoder_select="huffyuvdsp"
2077 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2078 metasound_decoder_select="lsp mdct sinewin"
2079 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2080 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
2081 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2082 mjpegb_decoder_select="mjpeg_decoder"
2083 mlp_decoder_select="mlp_parser"
2084 motionpixels_decoder_select="bswapdsp"
2085 mp1_decoder_select="mpegaudio"
2086 mp1float_decoder_select="mpegaudio"
2087 mp2_decoder_select="mpegaudio"
2088 mp2float_decoder_select="mpegaudio"
2089 mp3_decoder_select="mpegaudio"
2090 mp3adu_decoder_select="mpegaudio"
2091 mp3adufloat_decoder_select="mpegaudio"
2092 mp3float_decoder_select="mpegaudio"
2093 mp3on4_decoder_select="mpegaudio"
2094 mp3on4float_decoder_select="mpegaudio"
2095 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2096 mpc8_decoder_select="mpegaudiodsp"
2097 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2098 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2099 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2100 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2101 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2102 mpeg4_encoder_select="h263_encoder"
2103 msa1_decoder_select="mss34dsp"
2104 msmpeg4v1_decoder_select="h263_decoder"
2105 msmpeg4v2_decoder_select="h263_decoder"
2106 msmpeg4v2_encoder_select="h263_encoder"
2107 msmpeg4v3_decoder_select="h263_decoder"
2108 msmpeg4v3_encoder_select="h263_encoder"
2109 mss2_decoder_select="error_resilience mpeg_er mpegvideo qpeldsp vc1_decoder"
2110 mts2_decoder_select="mss34dsp"
2111 mxpeg_decoder_select="mjpeg_decoder"
2112 nellymoser_decoder_select="mdct sinewin"
2113 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2114 nuv_decoder_select="idctdsp lzo"
2115 on2avc_decoder_select="mdct"
2116 opus_decoder_deps="avresample"
2117 opus_decoder_select="imdct15"
2118 png_decoder_deps="zlib"
2119 png_encoder_deps="zlib"
2120 png_encoder_select="huffyuvencdsp"
2121 prores_decoder_select="idctdsp"
2122 prores_encoder_select="fdctdsp"
2123 qcelp_decoder_select="lsp"
2124 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2125 ra_144_encoder_select="audio_frame_queue lpc"
2126 ralf_decoder_select="golomb"
2127 rscc_decoder_deps="zlib"
2128 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2129 rv10_encoder_select="h263_encoder"
2130 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2131 rv20_encoder_select="h263_encoder"
2132 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2133 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2134 screenpresso_decoder_deps="zlib"
2135 sipr_decoder_select="lsp"
2136 sp5x_decoder_select="mjpeg_decoder"
2137 svq1_decoder_select="hpeldsp"
2138 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2139 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2140 svq3_decoder_suggest="zlib"
2141 tak_decoder_select="audiodsp"
2142 tdsc_decoder_deps="zlib"
2143 tdsc_decoder_select="mjpeg_decoder"
2144 theora_decoder_select="vp3_decoder"
2145 thp_decoder_select="mjpeg_decoder"
2146 tiff_decoder_suggest="zlib"
2147 tiff_encoder_suggest="zlib"
2148 truehd_decoder_select="mlp_decoder"
2149 truemotion2_decoder_select="bswapdsp"
2150 truespeech_decoder_select="bswapdsp"
2151 tscc_decoder_deps="zlib"
2152 txd_decoder_select="texturedsp"
2153 twinvq_decoder_select="mdct lsp sinewin"
2154 utvideo_decoder_select="bswapdsp huffyuvdsp"
2155 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2156 vble_decoder_select="huffyuvdsp"
2157 vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
2158 vc1image_decoder_select="vc1_decoder"
2159 vorbis_decoder_select="mdct"
2160 vorbis_encoder_select="mdct"
2161 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2162 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2163 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2164 vp6a_decoder_select="vp6_decoder"
2165 vp6f_decoder_select="vp6_decoder"
2166 vp7_decoder_select="h264pred videodsp vp8dsp"
2167 vp8_decoder_select="h264pred videodsp vp8dsp"
2168 vp9_decoder_select="videodsp vp9_superframe_split_bsf"
2169 webp_decoder_select="vp8_decoder"
2170 wmapro_decoder_select="mdct sinewin wma_freqs"
2171 wmav1_decoder_select="mdct sinewin wma_freqs"
2172 wmav1_encoder_select="mdct sinewin wma_freqs"
2173 wmav2_decoder_select="mdct sinewin wma_freqs"
2174 wmav2_encoder_select="mdct sinewin wma_freqs"
2175 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2176 wmv1_decoder_select="h263_decoder"
2177 wmv1_encoder_select="h263_encoder"
2178 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2179 wmv2_encoder_select="h263_encoder wmv2dsp"
2180 wmv3_decoder_select="vc1_decoder"
2181 wmv3image_decoder_select="wmv3_decoder"
2182 zerocodec_decoder_deps="zlib"
2183 zlib_decoder_deps="zlib"
2184 zlib_encoder_deps="zlib"
2185 zmbv_decoder_deps="zlib"
2186 zmbv_encoder_deps="zlib"
2187
2188 # hardware accelerators
2189 d3d11va_deps="dxva_h ID3D11VideoDecoder"
2190 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32"
2191 vda_deps="VideoDecodeAcceleration_VDADecoder_h blocks_extension pthreads"
2192 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2193
2194 h263_vaapi_hwaccel_deps="vaapi"
2195 h263_vaapi_hwaccel_select="h263_decoder"
2196 h264_cuvid_hwaccel_deps="cuvid CUVIDH264PICPARAMS"
2197 h264_cuvid_hwaccel_select="h264_decoder"
2198 h264_d3d11va_hwaccel_deps="d3d11va"
2199 h264_d3d11va_hwaccel_select="h264_decoder"
2200 h264_d3d11va2_hwaccel_deps="d3d11va"
2201 h264_d3d11va2_hwaccel_select="h264_decoder"
2202 h264_dxva2_hwaccel_deps="dxva2"
2203 h264_dxva2_hwaccel_select="h264_decoder"
2204 h264_mmal_hwaccel_deps="mmal"
2205 h264_qsv_hwaccel_deps="libmfx"
2206 h264_vaapi_hwaccel_deps="vaapi"
2207 h264_vaapi_hwaccel_select="h264_decoder"
2208 h264_vda_hwaccel_deps="vda"
2209 h264_vda_hwaccel_select="h264_decoder"
2210 h264_vda_old_hwaccel_deps="vda"
2211 h264_vda_old_hwaccel_select="h264_decoder"
2212 h264_vdpau_hwaccel_deps="vdpau"
2213 h264_vdpau_hwaccel_select="h264_decoder"
2214 hevc_cuvid_hwaccel_deps="cuvid CUVIDHEVCPICPARAMS"
2215 hevc_cuvid_hwaccel_select="hevc_decoder"
2216 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2217 hevc_d3d11va_hwaccel_select="hevc_decoder"
2218 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2219 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2220 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2221 hevc_dxva2_hwaccel_select="hevc_decoder"
2222 hevc_qsv_hwaccel_deps="libmfx"
2223 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2224 hevc_vaapi_hwaccel_select="hevc_decoder"
2225 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2226 hevc_vdpau_hwaccel_select="hevc_decoder"
2227 mpeg1_vdpau_hwaccel_deps="vdpau"
2228 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2229 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2230 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2231 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2232 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2233 mpeg2_dxva2_hwaccel_deps="dxva2"
2234 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2235 mpeg2_mmal_hwaccel_deps="mmal"
2236 mpeg2_qsv_hwaccel_deps="libmfx"
2237 mpeg2_vaapi_hwaccel_deps="vaapi"
2238 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2239 mpeg2_vdpau_hwaccel_deps="vdpau"
2240 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2241 mpeg4_vaapi_hwaccel_deps="vaapi"
2242 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2243 mpeg4_vdpau_hwaccel_deps="vdpau"
2244 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2245 vc1_d3d11va_hwaccel_deps="d3d11va"
2246 vc1_d3d11va_hwaccel_select="vc1_decoder"
2247 vc1_d3d11va2_hwaccel_deps="d3d11va"
2248 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2249 vc1_dxva2_hwaccel_deps="dxva2"
2250 vc1_dxva2_hwaccel_select="vc1_decoder"
2251 vc1_mmal_hwaccel_deps="mmal"
2252 vc1_qsv_hwaccel_deps="libmfx"
2253 vc1_vaapi_hwaccel_deps="vaapi"
2254 vc1_vaapi_hwaccel_select="vc1_decoder"
2255 vc1_vdpau_hwaccel_deps="vdpau"
2256 vc1_vdpau_hwaccel_select="vc1_decoder"
2257 vp8_qsv_hwaccel_deps="libmfx"
2258 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2259 vp8_vaapi_hwaccel_select="vp8_decoder"
2260 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2261 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2262 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2263 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2264 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2265
2266 # hardware-accelerated codecs
2267 nvenc_deps_any="libdl LoadLibrary"
2268 omx_deps="libdl pthreads"
2269 omx_rpi_select="omx"
2270 qsv_deps="libmfx"
2271 qsvdec_select="qsv"
2272 qsvenc_select="qsv"
2273 qsvvpp_select="qsv"
2274 vaapi_encode_deps="vaapi"
2275
2276 hwupload_cuda_filter_deps="cuda"
2277 scale_npp_filter_deps="cuda libnpp"
2278
2279 h264_mmal_decoder_deps="mmal"
2280 h264_nvenc_encoder_deps="nvenc"
2281 h264_omx_encoder_deps="omx"
2282 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2283 h264_qsv_encoder_select="qsvenc"
2284 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2285 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2286 hevc_nvenc_encoder_deps="nvenc"
2287 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser hevc_qsv_hwaccel qsvdec"
2288 hevc_qsv_encoder_select="hevcparse qsvenc"
2289 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2290 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2291 mjpeg_qsv_encoder_deps="libmfx"
2292 mjpeg_qsv_encoder_select="qsvenc"
2293 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2294 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2295 mpeg2_mmal_decoder_deps="mmal"
2296 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2297 mpeg2_qsv_encoder_select="qsvenc"
2298 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2299 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2300 mpeg4_omx_encoder_deps="omx"
2301 vc1_mmal_decoder_deps="mmal"
2302 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2303 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2304 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2305 vp8_vaapi_encoder_select="vaapi_encode"
2306 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2307 vp9_vaapi_encoder_select="vaapi_encode"
2308
2309 nvenc_h264_encoder_select="h264_nvenc_encoder"
2310 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2311
2312 # parsers
2313 aac_parser_select="adts_header"
2314 h264_parser_select="golomb h264dsp h264parse"
2315 hevc_parser_select="hevcparse"
2316 mpegaudio_parser_select="mpegaudioheader"
2317 mpegvideo_parser_select="mpegvideo"
2318 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2319 vc1_parser_select="vc1dsp"
2320
2321 # bitstream_filters
2322 aac_adtstoasc_bsf_select="adts_header"
2323 h264_metadata_bsf_select="cbs_h264"
2324 h264_redundant_pps_bsf_select="cbs_h264"
2325 hevc_metadata_bsf_select="cbs_h265"
2326 mjpeg2jpeg_bsf_select="jpegtables"
2327 mpeg2_metadata_bsf_select="cbs_mpeg2"
2328 trace_headers_bsf_select="cbs_h264 cbs_h265 cbs_mpeg2"
2329
2330 # external libraries
2331 avisynth_deps="LoadLibrary"
2332 avxsynth_deps="libdl"
2333 avisynth_demuxer_deps_any="avisynth avxsynth"
2334 avisynth_demuxer_select="riffdec"
2335 libdcadec_decoder_deps="libdcadec"
2336 libfaac_encoder_deps="libfaac"
2337 libfaac_encoder_select="audio_frame_queue"
2338 libfdk_aac_decoder_deps="libfdk_aac"
2339 libfdk_aac_encoder_deps="libfdk_aac"
2340 libfdk_aac_encoder_select="audio_frame_queue"
2341 libgsm_decoder_deps="libgsm"
2342 libgsm_encoder_deps="libgsm"
2343 libgsm_ms_decoder_deps="libgsm"
2344 libgsm_ms_encoder_deps="libgsm"
2345 libilbc_decoder_deps="libilbc"
2346 libilbc_encoder_deps="libilbc"
2347 libkvazaar_encoder_deps="libkvazaar"
2348 libmp3lame_encoder_deps="libmp3lame"
2349 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2350 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2351 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2352 libopencore_amrnb_encoder_select="audio_frame_queue"
2353 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2354 libopenh264_decoder_deps="libopenh264"
2355 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2356 libopenh264_encoder_deps="libopenh264"
2357 libopenjpeg_decoder_deps="libopenjpeg"
2358 libopenjpeg_encoder_deps="libopenjpeg"
2359 libopus_decoder_deps="libopus"
2360 libopus_encoder_deps="libopus"
2361 libopus_encoder_select="audio_frame_queue"
2362 libschroedinger_decoder_deps="libschroedinger"
2363 libschroedinger_encoder_deps="libschroedinger"
2364 libspeex_decoder_deps="libspeex"
2365 libspeex_encoder_deps="libspeex"
2366 libspeex_encoder_select="audio_frame_queue"
2367 libtheora_encoder_deps="libtheora"
2368 libtwolame_encoder_deps="libtwolame"
2369 libvo_aacenc_encoder_deps="libvo_aacenc"
2370 libvo_aacenc_encoder_select="audio_frame_queue"
2371 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2372 libvorbis_encoder_deps="libvorbis"
2373 libvorbis_encoder_select="audio_frame_queue"
2374 libvpx_vp8_decoder_deps="libvpx"
2375 libvpx_vp8_encoder_deps="libvpx"
2376 libvpx_vp9_decoder_deps="libvpx"
2377 libvpx_vp9_encoder_deps="libvpx"
2378 libwavpack_encoder_deps="libwavpack"
2379 libwavpack_encoder_select="audio_frame_queue"
2380 libwebp_encoder_deps="libwebp"
2381 libx262_encoder_deps="libx262"
2382 libx264_encoder_deps="libx264"
2383 libx265_encoder_deps="libx265"
2384 libxavs_encoder_deps="libxavs"
2385 libxvid_encoder_deps="libxvid mkstemp"
2386
2387 # demuxers / muxers
2388 ac3_demuxer_select="ac3_parser"
2389 asf_demuxer_select="riffdec"
2390 asf_muxer_select="riffenc"
2391 asf_stream_muxer_select="asf_muxer"
2392 avi_demuxer_select="iso_media riffdec"
2393 avi_muxer_select="riffenc"
2394 caf_demuxer_select="iso_media riffdec"
2395 dash_muxer_select="mp4_muxer"
2396 dirac_demuxer_select="dirac_parser"
2397 dv_demuxer_select="dvprofile"
2398 dv_muxer_select="dvprofile"
2399 dxa_demuxer_select="riffdec"
2400 eac3_demuxer_select="ac3_parser"
2401 f4v_muxer_select="mov_muxer"
2402 flac_demuxer_select="flac_parser"
2403 hds_muxer_select="flv_muxer"
2404 hls_muxer_select="mpegts_muxer"
2405 ipod_muxer_select="mov_muxer"
2406 ismv_muxer_select="mov_muxer"
2407 matroska_audio_muxer_select="matroska_muxer"
2408 matroska_demuxer_select="iso_media riffdec"
2409 matroska_demuxer_suggest="bzlib lzo zlib"
2410 matroska_muxer_select="iso_media riffenc"
2411 mmf_muxer_select="riffenc"
2412 mov_demuxer_select="iso_media riffdec"
2413 mov_demuxer_suggest="zlib"
2414 mov_muxer_select="iso_media riffenc rtpenc_chain"
2415 mp3_demuxer_select="mpegaudio_parser"
2416 mp3_muxer_select="mpegaudioheader"
2417 mp4_muxer_select="mov_muxer"
2418 mpegts_demuxer_select="iso_media"
2419 mpegts_muxer_select="adts_muxer latm_muxer"
2420 mpegtsraw_demuxer_select="mpegts_demuxer"
2421 mxf_d10_muxer_select="mxf_muxer"
2422 nut_muxer_select="riffenc"
2423 nuv_demuxer_select="riffdec"
2424 oga_muxer_select="ogg_muxer"
2425 ogg_demuxer_select="dirac_parse"
2426 opus_muxer_select="ogg_muxer"
2427 psp_muxer_select="mov_muxer"
2428 rtp_demuxer_select="sdp_demuxer"
2429 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2430 rtsp_demuxer_select="http_protocol rtpdec"
2431 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2432 sap_demuxer_select="sdp_demuxer"
2433 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2434 sdp_demuxer_select="rtpdec"
2435 smoothstreaming_muxer_select="ismv_muxer"
2436 spdif_demuxer_select="adts_header"
2437 spdif_muxer_select="adts_header"
2438 spx_muxer_select="ogg_muxer"
2439 swf_demuxer_suggest="zlib"
2440 tak_demuxer_select="tak_parser"
2441 tg2_muxer_select="mov_muxer"
2442 tgp_muxer_select="mov_muxer"
2443 w64_demuxer_select="wav_demuxer"
2444 wav_demuxer_select="riffdec"
2445 wav_muxer_select="riffenc"
2446 webm_muxer_select="iso_media riffenc"
2447 wtv_demuxer_select="mpegts_demuxer riffdec"
2448 xmv_demuxer_select="riffdec"
2449 xwma_demuxer_select="riffdec"
2450
2451 # indevs / outdevs
2452 alsa_indev_deps="alsa"
2453 alsa_outdev_deps="alsa"
2454 avfoundation_indev_deps="AVFoundation_AVFoundation_h objc_arc pthreads"
2455 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
2456 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2457 dv1394_indev_deps="dv1394"
2458 dv1394_indev_select="dv_demuxer"
2459 fbdev_indev_deps="linux_fb_h"
2460 jack_indev_deps="libjack"
2461 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2462 libcdio_indev_deps="libcdio"
2463 libdc1394_indev_deps="libdc1394"
2464 oss_indev_deps_any="sys_soundcard_h"
2465 oss_outdev_deps_any="sys_soundcard_h"
2466 pulse_indev_deps="libpulse"
2467 sndio_indev_deps="sndio"
2468 sndio_outdev_deps="sndio"
2469 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2470 vfwcap_indev_deps="vfw32 vfwcap_defines"
2471 xcbgrab_indev_deps="libxcb libxcb_shape"
2472 xcbgrab_indev_suggest="libxcb_shm libxcb_xfixes"
2473
2474 # protocols
2475 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
2476 ffrtmpcrypt_protocol_deps_any="gmp openssl"
2477 ffrtmpcrypt_protocol_select="tcp_protocol"
2478 ffrtmphttp_protocol_conflict="librtmp_protocol"
2479 ffrtmphttp_protocol_select="http_protocol"
2480 gopher_protocol_select="network"
2481 http_protocol_select="tcp_protocol"
2482 http_protocol_suggest="zlib"
2483 httpproxy_protocol_select="tcp_protocol"
2484 httpproxy_protocol_suggest="zlib"
2485 https_protocol_select="tls_protocol"
2486 https_protocol_suggest="zlib"
2487 icecast_protocol_select="http_protocol"
2488 librtmp_protocol_deps="librtmp"
2489 librtmpe_protocol_deps="librtmp"
2490 librtmps_protocol_deps="librtmp"
2491 librtmpt_protocol_deps="librtmp"
2492 librtmpte_protocol_deps="librtmp"
2493 mmsh_protocol_select="http_protocol"
2494 mmst_protocol_select="network"
2495 rtmp_protocol_conflict="librtmp_protocol"
2496 rtmp_protocol_select="tcp_protocol"
2497 rtmp_protocol_suggest="zlib"
2498 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2499 rtmpe_protocol_suggest="zlib"
2500 rtmps_protocol_conflict="librtmp_protocol"
2501 rtmps_protocol_select="tls_protocol"
2502 rtmps_protocol_suggest="zlib"
2503 rtmpt_protocol_select="ffrtmphttp_protocol"
2504 rtmpt_protocol_suggest="zlib"
2505 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2506 rtmpte_protocol_suggest="zlib"
2507 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2508 rtmpts_protocol_suggest="zlib"
2509 rtp_protocol_select="udp_protocol"
2510 sctp_protocol_deps="struct_sctp_event_subscribe"
2511 sctp_protocol_select="network"
2512 srtp_protocol_select="rtp_protocol srtp"
2513 tcp_protocol_select="network"
2514 tls_protocol_deps_any="gnutls openssl"
2515 tls_protocol_select="tcp_protocol"
2516 udp_protocol_select="network"
2517 unix_protocol_deps="sys_un_h"
2518 unix_protocol_select="network"
2519
2520 # filters
2521 asyncts_filter_deps="avresample"
2522 blackframe_filter_deps="gpl"
2523 boxblur_filter_deps="gpl"
2524 bs2b_filter_deps="libbs2b"
2525 cropdetect_filter_deps="gpl"
2526 deinterlace_qsv_filter_deps="libmfx"
2527 deinterlace_vaapi_filter_deps="vaapi"
2528 delogo_filter_deps="gpl"
2529 drawtext_filter_deps="libfreetype"
2530 drawtext_filter_suggest="libfontconfig"
2531 frei0r_filter_deps="frei0r libdl"
2532 frei0r_src_filter_deps="frei0r libdl"
2533 hdcd_filter_deps="libhdcd"
2534 hqdn3d_filter_deps="gpl"
2535 interlace_filter_deps="gpl"
2536 movie_filter_deps="avcodec avformat"
2537 ocv_filter_deps="libopencv"
2538 overlay_qsv_filter_deps="libmfx"
2539 overlay_qsv_filter_select="qsvvpp"
2540 resample_filter_deps="avresample"
2541 scale_filter_deps="swscale"
2542 scale_qsv_filter_deps="libmfx"
2543 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
2544 vpp_qsv_filter_deps="libmfx"
2545 vpp_qsv_filter_select="qsvvpp"
2546
2547 # examples
2548 decode_audio_example_deps="avcodec avutil"
2549 decode_video_example_deps="avcodec avutil"
2550 encode_audio_example_deps="avcodec avutil"
2551 encode_video_example_deps="avcodec avutil"
2552 filter_audio_example_deps="avfilter avutil"
2553 metadata_example_deps="avformat avutil"
2554 output_example_deps="avcodec avformat avresample avutil swscale"
2555 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
2556 transcode_aac_example_deps="avcodec avformat avresample"
2557
2558 # EXTRALIBS_LIST
2559 cpu_init_extralibs="pthreads_extralibs"
2560 cws2fws_extralibs="zlib_extralibs"
2561
2562 # libraries, in linking order
2563 avcodec_deps="avutil"
2564 avcodec_select="null_bsf"
2565 avdevice_deps="avformat avcodec avutil"
2566 avfilter_deps="avutil"
2567 avformat_deps="avcodec avutil"
2568 avformat_suggest="network"
2569 avresample_deps="avutil"
2570 swscale_deps="avutil"
2571
2572 avcodec_extralibs="pthreads_extralibs libm_extralibs"
2573 avdevice_extralibs="libm_extralibs"
2574 avformat_extralibs="libm_extralibs"
2575 avfilter_extralibs="pthreads_extralibs libm_extralibs"
2576 avresample_extralibs="libm_extralibs"
2577 avutil_extralibs="clock_gettime_extralibs cuda_extralibs cuvid_extralibs d3d11va_extralibs libm_extralibs libmfx_extralibs nanosleep_extralibs pthreads_extralibs user32_extralibs vaapi_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs wincrypt_extralibs"
2578 swscale_extralibs="libm_extralibs"
2579
2580 # programs
2581 avconv_deps="avcodec avfilter avformat avresample swscale"
2582 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2583                fps_filter null_filter resample_filter scale_filter
2584                trim_filter"
2585 avconv_suggest="psapi shell32"
2586 avplay_deps="avcodec avfilter avformat avresample sdl"
2587 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2588 avplay_suggest="shell32"
2589 avprobe_deps="avcodec avformat"
2590 avprobe_suggest="shell32"
2591
2592 # documentation
2593 pod2man_deps="doc"
2594 texi2html_deps="doc"
2595
2596 # default parameters
2597
2598 logfile="avbuild/config.log"
2599
2600 # installation paths
2601 prefix_default="/usr/local"
2602 bindir_default='${prefix}/bin'
2603 datadir_default='${prefix}/share/avconv'
2604 docdir_default='${prefix}/share/doc/libav'
2605 incdir_default='${prefix}/include'
2606 libdir_default='${prefix}/lib'
2607 mandir_default='${prefix}/share/man'
2608 shlibdir_default="$libdir_default"
2609
2610 # toolchain
2611 ar_default="ar"
2612 cc_default="gcc"
2613 host_cc_default="gcc"
2614 x86asmexe_default="nasm"
2615 ln_s="ln -s -f"
2616 nm_default="nm -g"
2617 pkg_config_default=pkg-config
2618 ranlib="ranlib"
2619 strip="strip"
2620 version_script='--version-script'
2621
2622 # machine
2623 arch_default=$(uname -m)
2624 cpu="generic"
2625 intrinsics="none"
2626
2627 # OS
2628 target_os_default=$(tolower $(uname -s))
2629 host_os=$target_os_default
2630
2631 # configurable options
2632 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2633
2634 enable asm
2635 enable debug
2636 enable doc
2637 enable faan faandct faanidct
2638 enable optimizations
2639 enable safe_bitstream_reader
2640 enable static
2641 enable swscale_alpha
2642 enable valgrind_backtrace
2643
2644 # By default, enable only those hwaccels that have no external dependencies.
2645 enable d3d11va dxva2 vda vdpau
2646
2647 # internal components are enabled by default
2648 enable $EXTRALIBS_LIST
2649
2650 # Avoid external, non-system, libraries getting enabled by dependency resolution
2651 disable $EXTERNAL_LIBRARY_LIST
2652
2653 # build settings
2654 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2655 LIBPREF="lib"
2656 LIBSUF=".a"
2657 LIBNAME='$(LIBPREF)$(NAME)$(LIBSUF)'
2658 SLIBPREF="lib"
2659 SLIBSUF=".so"
2660 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
2661 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2662 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2663 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2664 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2665 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2666 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
2667
2668 asflags_filter=echo
2669 cflags_filter=echo
2670 ldflags_filter=echo
2671
2672 AS_C='-c'
2673 AS_O='-o $@'
2674 CC_C='-c'
2675 CC_E='-E -o $@'
2676 CC_O='-o $@'
2677 OBJCC_C='-c'
2678 OBJCC_E='-E -o $@'
2679 OBJCC_O='-o $@'
2680 X86ASM_O='-o $@'
2681 LD_O='-o $@'
2682 LD_LIB='-l%'
2683 LD_PATH='-L'
2684 HOSTCC_C='-c'
2685 HOSTCC_E='-E -o $@'
2686 HOSTCC_O='-o $@'
2687 HOSTLD_O='-o $@'
2688
2689 host_extralibs='-lm'
2690 host_cflags_filter=echo
2691 host_ldflags_filter=echo
2692
2693 target_path='$(CURDIR)'
2694
2695 # since the object filename is not given with the -MM flag, the compiler
2696 # is only able to print the basename, and we must add the path ourselves
2697 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2698 DEPFLAGS='-MM'
2699
2700 mkdir -p avbuild
2701
2702 # find source path
2703 if test -f configure; then
2704     source_path=.
2705 else
2706     source_path=$(cd $(dirname "$0"); pwd)
2707     echo "$source_path" | grep -q '[[:blank:]]' &&
2708         die "Out of tree builds are impossible with whitespace in source path."
2709     test -e "$source_path/config.h" &&
2710         die "Out of tree builds are impossible with config.h in source dir."
2711 fi
2712
2713 for v in "$@"; do
2714     r=${v#*=}
2715     l=${v%"$r"}
2716     r=$(sh_quote "$r")
2717     LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2718 done
2719
2720 find_things(){
2721     thing=$1
2722     pattern=$2
2723     file=$source_path/$3
2724     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2725 }
2726
2727 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2728 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2729 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2730 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2731 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2732 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2733 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2734 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2735 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2736
2737 find_things_extern(){
2738     thing=$1
2739     pattern=$2
2740     file=$source_path/$3
2741     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
2742 }
2743
2744 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
2745 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
2746
2747 AVCODEC_COMPONENTS_LIST="
2748     $BSF_LIST
2749     $DECODER_LIST
2750     $ENCODER_LIST
2751     $HWACCEL_LIST
2752     $PARSER_LIST
2753 "
2754
2755 AVDEVICE_COMPONENTS_LIST="
2756     $INDEV_LIST
2757     $OUTDEV_LIST
2758 "
2759
2760 AVFILTER_COMPONENTS_LIST="
2761     $FILTER_LIST
2762 "
2763
2764 AVFORMAT_COMPONENTS_LIST="
2765     $DEMUXER_LIST
2766     $MUXER_LIST
2767     $PROTOCOL_LIST
2768 "
2769
2770 ALL_COMPONENTS="
2771     $AVCODEC_COMPONENTS_LIST
2772     $AVDEVICE_COMPONENTS_LIST
2773     $AVFILTER_COMPONENTS_LIST
2774     $AVFORMAT_COMPONENTS_LIST
2775 "
2776
2777 for n in $COMPONENT_LIST; do
2778     v=$(toupper ${n%s})_LIST
2779     eval enable \$$v
2780     eval ${n}_if_any="\$$v"
2781 done
2782
2783 enable $ARCH_EXT_LIST
2784
2785 die_unknown(){
2786     echo "Unknown option \"$1\"."
2787     echo "See $0 --help for available options."
2788     exit 1
2789 }
2790
2791 print_3_columns() {
2792     printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2793 }
2794
2795 show_list() {
2796     suffix=_$1
2797     shift
2798     echo $* | sed s/$suffix//g | print_3_columns
2799     exit 0
2800 }
2801
2802 rand_list(){
2803     IFS=', '
2804     set -- $*
2805     unset IFS
2806     for thing; do
2807         comp=${thing%:*}
2808         prob=${thing#$comp}
2809         prob=${prob#:}
2810         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2811         echo "prob ${prob:-0.5}"
2812         printf '%s\n' $comp
2813     done
2814 }
2815
2816 do_random(){
2817     action=$1
2818     shift
2819     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2820     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2821 }
2822
2823 for opt do
2824     optval="${opt#*=}"
2825     case "$opt" in
2826         --extra-ldflags=*)
2827             add_ldflags $optval
2828         ;;
2829         --extra-ldexeflags=*)
2830             add_ldexeflags $optval
2831         ;;
2832         --extra-ldsoflags=*)
2833             add_ldsoflags $optval
2834         ;;
2835         --extra-libs=*)
2836             add_extralibs $optval
2837         ;;
2838         --disable-devices)
2839             disable $INDEV_LIST $OUTDEV_LIST
2840         ;;
2841         --enable-debug=*)
2842             debuglevel="$optval"
2843         ;;
2844         --disable-programs)
2845             disable $PROGRAM_LIST
2846         ;;
2847         --disable-everything)
2848             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2849         ;;
2850         --disable-all)
2851             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2852             disable $LIBRARY_LIST $PROGRAM_LIST doc
2853         ;;
2854         --enable-random|--disable-random)
2855             action=${opt%%-random}
2856             do_random ${action#--} $COMPONENT_LIST
2857         ;;
2858         --enable-random=*|--disable-random=*)
2859             action=${opt%%-random=*}
2860             do_random ${action#--} $optval
2861         ;;
2862         --enable-*=*|--disable-*=*)
2863             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2864             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2865             eval list=\$$(toupper $thing)_LIST
2866             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2867             $action $(filter "$name" $list)
2868         ;;
2869         --enable-avserver|--disable-avserver*)
2870             warn "avserver has been removed, the ${opt} option is only"\
2871                  "provided for compatibility and will be removed in the future"
2872         ;;
2873         --enable-yasm|--disable-yasm)
2874             warn "The ${opt} option is only provided for compatibility and will be\n"\
2875                  "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
2876             test $opt = --enable-yasm && x86asm=yes || x86asm=no
2877         ;;
2878         --enable-?*|--disable-?*)
2879             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2880             if is_in $option $COMPONENT_LIST; then
2881                 test $action = disable && action=unset
2882                 eval $action \$$(toupper ${option%s})_LIST
2883             elif is_in $option $CMDLINE_SELECT; then
2884                 $action $option
2885             else
2886                 die_unknown $opt
2887             fi
2888         ;;
2889         --list-*)
2890             NAME="${opt#--list-}"
2891             is_in $NAME $COMPONENT_LIST || die_unknown $opt
2892             NAME=${NAME%s}
2893             eval show_list $NAME \$$(toupper $NAME)_LIST
2894         ;;
2895         --help|-h) show_help
2896         ;;
2897         --quiet|-q) quiet=yes
2898         ;;
2899         *)
2900             optname="${opt%%=*}"
2901             optname="${optname#--}"
2902             optname=$(echo "$optname" | sed 's/-/_/g')
2903             if is_in $optname $CMDLINE_SET; then
2904                 eval $optname='$optval'
2905             elif is_in $optname $CMDLINE_APPEND; then
2906                 append $optname "$optval"
2907             else
2908                 die_unknown $opt
2909             fi
2910         ;;
2911     esac
2912 done
2913
2914 for e in $env; do
2915     eval "export $e"
2916 done
2917
2918 disabled logging && logfile=/dev/null
2919
2920 # Die early if licensing-related configure options are incompatible.
2921 die_license_disabled() {
2922     enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
2923 }
2924
2925 map "die_license_disabled gpl"      $EXTERNAL_LIBRARY_GPL_LIST
2926 map "die_license_disabled nonfree"  $EXTERNAL_LIBRARY_NONFREE_LIST $HWACCEL_LIBRARY_NONFREE_LIST
2927 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST
2928
2929 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2930
2931 enabled_all gnutls openssl &&
2932     die "GnuTLS and OpenSSL must not be enabled at the same time."
2933
2934 # Disable all the library-specific components if the library itself
2935 # is disabled, see AVCODEC_LIST and following _LIST variables.
2936
2937 disable_components(){
2938     disabled ${1} && disable $(
2939         eval components="\$$(toupper ${1})_COMPONENTS"
2940         map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2941     )
2942 }
2943
2944 map 'disable_components $v' $LIBRARY_LIST
2945
2946 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2947 set >> $logfile
2948
2949 case "$toolchain" in
2950     *-asan)
2951         cc_default="${toolchain%-asan}"
2952         add_cflags  -fsanitize=address
2953         add_ldflags -fsanitize=address
2954     ;;
2955     *-msan)
2956         cc_default="${toolchain%-msan}"
2957         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins
2958         add_ldflags -fsanitize=memory
2959     ;;
2960     *-tsan)
2961         cc_default="${toolchain%-tsan}"
2962         add_cflags  -fsanitize=thread -fPIE
2963         add_ldflags -fsanitize=thread -pie
2964         case "$toolchain" in
2965             gcc-tsan)
2966                 add_cflags  -fPIC
2967                 add_ldflags -fPIC
2968                 ;;
2969         esac
2970     ;;
2971     *-usan)
2972         cc_default="${toolchain%-usan}"
2973         add_cflags  -fsanitize=undefined
2974         add_ldflags -fsanitize=undefined
2975         case "$toolchain" in
2976             clang-usan)
2977                 add_cflags -O1
2978                 ;;
2979         esac
2980     ;;
2981     valgrind-*)
2982         target_exec_default="valgrind"
2983         case "$toolchain" in
2984             valgrind-massif)
2985                 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2986                 ;;
2987             valgrind-memcheck)
2988                 target_exec_args="--track-origins=yes --leak-check=full"
2989                 ;;
2990         esac
2991     ;;
2992     msvc)
2993         # Check whether the current MSVC version needs the C99 converter.
2994         # From MSVC 2013 (compiler major version 18) onwards, it does actually
2995         # support enough of C99 to build libav. Default to the new
2996         # behaviour if the regexp was unable to match anything, since this
2997         # successfully parses the version number of existing supported
2998         # versions that require the converter (MSVC 2010 and 2012).
2999         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3000         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3001             cc_default="cl"
3002         else
3003             cc_default="c99wrap cl"
3004         fi
3005         ld_default="$source_path/compat/windows/mslink"
3006         nm_default="dumpbin -symbols"
3007         ar_default="lib"
3008         case "$arch" in
3009         arm*)
3010             as_default="armasm"
3011             ;;
3012         esac
3013         target_os_default="win32"
3014         # Use a relative path for TMPDIR. This makes sure all the
3015         # ffconf temp files are written with a relative path, avoiding
3016         # issues with msys/win32 path conversion for MSVC parameters
3017         # such as -Fo<file> or -out:<file>.
3018         TMPDIR=.
3019     ;;
3020     icl)
3021         cc_default="icl"
3022         ld_default="xilink"
3023         nm_default="dumpbin -symbols"
3024         ar_default="xilib"
3025         target_os_default="win32"
3026         TMPDIR=.
3027     ;;
3028     gcov)
3029         add_cflags  -fprofile-arcs -ftest-coverage
3030         add_ldflags -fprofile-arcs -ftest-coverage
3031     ;;
3032     llvm-cov)
3033         add_cflags -fprofile-arcs -ftest-coverage
3034         add_ldflags --coverage
3035     ;;
3036     hardened)
3037         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3038         add_cflags   -fno-strict-overflow -fstack-protector-all
3039         add_ldflags  -Wl,-z,relro -Wl,-z,now
3040     ;;
3041     ?*)
3042         die "Unknown toolchain $toolchain"
3043     ;;
3044 esac
3045
3046 test -n "$cross_prefix" && enable cross_compile
3047
3048 if enabled cross_compile; then
3049     test -n "$arch" && test -n "$target_os" ||
3050         die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3051 fi
3052
3053 ar_default="${cross_prefix}${ar_default}"
3054 cc_default="${cross_prefix}${cc_default}"
3055 objcc_default="${cross_prefix}${objcc_default}"
3056 x86asmexe_default="${cross_prefix}${x86asmexe_default}"
3057 nm_default="${cross_prefix}${nm_default}"
3058 pkg_config_default="${cross_prefix}${pkg_config_default}"
3059 ranlib="${cross_prefix}${ranlib}"
3060 strip="${cross_prefix}${strip}"
3061
3062 sysinclude_default="${sysroot}/usr/include"
3063
3064 set_default arch cc pkg_config sysinclude target_exec target_os x86asmexe
3065 enabled cross_compile || host_cc_default=$cc
3066 set_default host_cc
3067
3068 if ! $pkg_config --version >/dev/null 2>&1; then
3069     warn "$pkg_config not found, library detection may fail."
3070     pkg_config=false
3071 fi
3072
3073 exesuf() {
3074     case $1 in
3075         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3076     esac
3077 }
3078
3079 EXESUF=$(exesuf $target_os)
3080 HOSTEXESUF=$(exesuf $host_os)
3081
3082 # set temporary file name
3083 : ${TMPDIR:=$TEMPDIR}
3084 : ${TMPDIR:=$TMP}
3085 : ${TMPDIR:=/tmp}
3086
3087 if ! check_cmd mktemp -u XXXXXX; then
3088     # simple replacement for missing mktemp
3089     # NOT SAFE FOR GENERAL USE
3090     mktemp(){
3091         tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3092         echo "$tmpname"
3093         mkdir "$tmpname"
3094     }
3095 fi
3096
3097 AVTMPDIR=$(mktemp -d "${TMPDIR}/avconf.XXXXXXXX" 2> /dev/null) ||
3098     die "Unable to create temporary directory in $TMPDIR."
3099
3100 tmpfile(){
3101     tmp="${AVTMPDIR}/test"$2
3102     (set -C; exec > $tmp) 2> /dev/null ||
3103         die "Unable to create temporary file in $AVTMPDIR."
3104     eval $1=$tmp
3105 }
3106
3107 trap 'rm -rf -- "$AVTMPDIR"' EXIT
3108 trap 'exit 2' INT
3109
3110 tmpfile TMPASM .asm
3111 tmpfile TMPC   .c
3112 tmpfile TMPE   $EXESUF
3113 tmpfile TMPH   .h
3114 tmpfile TMPO   .o
3115 tmpfile TMPS   .S
3116 tmpfile TMPSH  .sh
3117 tmpfile TMPV   .ver
3118
3119 unset -f mktemp
3120
3121 chmod +x $TMPE
3122
3123 # make sure we can execute files in $TMPDIR
3124 cat > $TMPSH 2>> $logfile <<EOF
3125 #! /bin/sh
3126 EOF
3127 chmod +x $TMPSH >> $logfile 2>&1
3128 if ! $TMPSH >> $logfile 2>&1; then
3129     cat <<EOF
3130 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
3131 variable to another directory and make sure that it is not mounted noexec.
3132 EOF
3133     die "Sanity test failed."
3134 fi
3135
3136 armasm_flags(){
3137     for flag; do
3138         case $flag in
3139             # Filter out MSVC cl.exe options from cflags that shouldn't
3140             # be passed to gas-preprocessor
3141             -M[TD]*)                                            ;;
3142             *)                  echo $flag                      ;;
3143         esac
3144    done
3145 }
3146
3147 cparser_flags(){
3148     for flag; do
3149         case $flag in
3150             -Wno-switch)             echo -Wno-switch-enum ;;
3151             -Wno-format-zero-length) ;;
3152             -Wdisabled-optimization) ;;
3153             -Wno-pointer-sign)       echo -Wno-other ;;
3154             *)                       echo $flag ;;
3155         esac
3156     done
3157 }
3158
3159 msvc_common_flags(){
3160     for flag; do
3161         case $flag in
3162             # In addition to specifying certain flags under the compiler
3163             # specific filters, they must be specified here as well or else the
3164             # generic catch all at the bottom will print the original flag.
3165             -Wall)                ;;
3166             -Wextra)              ;;
3167             -std=c99)             ;;
3168             # Common flags
3169             -fomit-frame-pointer) ;;
3170             -g)                   echo -Z7 ;;
3171             -fno-math-errno)      ;;
3172             -fno-common)          ;;
3173             -fno-signed-zeros)    ;;
3174             -fPIC)                ;;
3175             -mthumb)              ;;
3176             -march=*)             ;;
3177             -lz)                  echo zlib.lib ;;
3178             -lx264)               echo libx264.lib ;;
3179             -l*)                  echo ${flag#-l}.lib ;;
3180             -L*)                  echo -libpath:${flag#-L} ;;
3181             *)                    echo $flag ;;
3182         esac
3183     done
3184 }
3185
3186 msvc_flags(){
3187     msvc_common_flags "$@"
3188     for flag; do
3189         case $flag in
3190             -Wall)                echo -W3 -wd4018 -wd4146 -wd4244 -wd4305     \
3191                                        -wd4554 ;;
3192             -Wextra)              echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \
3193                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3194                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3195                                        -wd4273 -wd4554 -wd4701 -wd4703 ;;
3196         esac
3197     done
3198 }
3199
3200 icl_flags(){
3201     msvc_common_flags "$@"
3202     for flag; do
3203         case $flag in
3204             # Despite what Intel's documentation says -Wall, which is supported
3205             # on Windows, does enable remarks so disable them here.
3206             -Wall)                echo $flag -Qdiag-disable:remark ;;
3207             -std=c99)             echo -Qstd=c99 ;;
3208         esac
3209     done
3210 }
3211
3212 pgi_flags(){
3213     for flag; do
3214         case $flag in
3215             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;
3216             -fomit-frame-pointer) echo -Mnoframe ;;
3217             -g)                   echo -gopt ;;
3218             *)                    echo $flag ;;
3219         esac
3220     done
3221 }
3222
3223 suncc_flags(){
3224     for flag; do
3225         case $flag in
3226             -march=*|-mcpu=*)
3227                 case "${flag#*=}" in
3228                     native)                   echo -xtarget=native       ;;
3229                     v9|niagara)               echo -xarch=sparc          ;;
3230                     ultrasparc)               echo -xarch=sparcvis       ;;
3231                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
3232                     i586|pentium)             echo -xchip=pentium        ;;
3233                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
3234                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
3235                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
3236                     pentium4*)          echo -xtarget=pentium4           ;;
3237                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
3238                     *-sse3)             echo -xarch=sse3                 ;;
3239                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
3240                     corei7)           echo -xarch=sse4_2 -xchip=nehalem  ;;
3241                     corei7-avx)       echo -xarch=avx -xchip=sandybridge ;;
3242                     amdfam10|barcelona|bdver*) echo -xarch=sse4_1        ;;
3243                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;
3244                     k8|opteron|athlon64|athlon-fx)
3245                                                echo -xarch=sse2a         ;;
3246                     athlon*)                   echo -xarch=pentium_proa  ;;
3247                 esac
3248                 ;;
3249             -std=c99)             echo -xc99              ;;
3250             -fomit-frame-pointer) echo -xregs=frameptr    ;;
3251             -fPIC)                echo -KPIC -xcode=pic32 ;;
3252             -W*,*)                echo $flag              ;;
3253             -f*-*|-W*|-mimpure-text)                      ;;
3254             -shared)              echo -G                 ;;
3255             *)                    echo $flag              ;;
3256         esac
3257     done
3258 }
3259
3260 tms470_flags(){
3261     for flag; do
3262         case $flag in
3263             -march=*|-mcpu=*)
3264                 case "${flag#*=}" in
3265                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
3266                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
3267                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
3268                     armv6*|arm11*)          echo -mv=6   ;;
3269                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3270                                             echo -mv=5e  ;;
3271                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
3272                 esac
3273                 ;;
3274             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
3275             -mfpu=vfp)      echo --float_support=vfpv2        ;;
3276             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
3277             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;
3278             -msoft-float)   echo --float_support=vfplib       ;;
3279             -O[0-3]|-mf=*)  echo $flag                        ;;
3280             -g)             echo -g -mn                       ;;
3281             -pds=*)         echo $flag                        ;;
3282             -D*|-I*)        echo $flag                        ;;
3283             --gcc|--abi=*)  echo $flag                        ;;
3284             -me)            echo $flag                        ;;
3285         esac
3286     done
3287 }
3288
3289 probe_cc(){
3290     pfx=$1
3291     _cc=$2
3292
3293     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3294     unset _ld_o _ldflags _ld_lib _ld_path
3295     unset _depflags _DEPCMD _DEPFLAGS
3296     _flags_filter=echo
3297
3298     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3299         _type=llvm_gcc
3300         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3301         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3302         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3303         _cflags_speed='-O3'
3304         _cflags_size='-Os'
3305     elif $_cc -v 2>&1 | grep -qi ^gcc; then
3306         _type=gcc
3307         gcc_version=$($_cc --version | head -n1)
3308         gcc_basever=$($_cc -dumpversion)
3309         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3310         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3311         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3312         if ! $_cc -dumpversion | grep -q '^2\.'; then
3313             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3314         fi
3315         _cflags_speed='-O3'
3316         _cflags_size='-Os'
3317     elif $_cc --version 2>/dev/null | grep -q ^icc; then
3318         _type=icc
3319         _ident=$($_cc --version | head -n1)
3320         _depflags='-MMD'
3321         _cflags_speed='-O3'
3322         _cflags_size='-Os'
3323         _cflags_noopt='-O1'
3324     elif $_cc -v 2>&1 | grep -q xlc; then
3325         _type=xlc
3326         _ident=$($_cc -qversion 2>/dev/null | head -n1)
3327         _cflags_speed='-O5'
3328         _cflags_size='-O5 -qcompact'
3329     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3330         test -d "$sysroot" || die "No valid sysroot specified."
3331         _type=armcc
3332         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3333         armcc_conf="$PWD/armcc.conf"
3334         $_cc --arm_linux_configure                 \
3335              --arm_linux_config_file="$armcc_conf" \
3336              --configure_sysroot="$sysroot"        \
3337              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3338              die "Error creating armcc configuration file."
3339         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3340         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3341         as_default="${cross_prefix}gcc"
3342         _depflags='-MMD'
3343         _cflags_speed='-O3'
3344         _cflags_size='-Os'
3345     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3346         _type=tms470
3347         _ident=$($_cc -version | head -n1 | tr -s ' ')
3348         _flags='--gcc --abi=eabi -me'
3349         _cc_e='-ppl -fe=$@'
3350         _cc_o='-fe=$@'
3351         _depflags='-ppa -ppd=$(@:.o=.d)'
3352         _cflags_speed='-O3 -mf=5'
3353         _cflags_size='-O3 -mf=2'
3354         _flags_filter=tms470_flags
3355     elif $_cc -v 2>&1 | grep -q clang; then
3356         _type=clang
3357         _ident=$($_cc --version 2>/dev/null | head -n1)
3358         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3359         _cflags_speed='-O3'
3360         _cflags_size='-Os'
3361     elif $_cc -V 2>&1 | grep -q Sun; then
3362         _type=suncc
3363         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3364         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3365         _DEPFLAGS='-xM1 -xc99'
3366         _ldflags='-std=c99'
3367         _cflags_speed='-O5'
3368         _cflags_size='-O5 -xspace'
3369         _flags_filter=suncc_flags
3370     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3371         _type=pathscale
3372         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3373         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3374         _cflags_speed='-O2'
3375         _cflags_size='-Os'
3376         _flags_filter='filter_out -Wdisabled-optimization'
3377     elif $_cc -v 2>&1 | grep -q Open64; then
3378         _type=open64
3379         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3380         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3381         _cflags_speed='-O2'
3382         _cflags_size='-Os'
3383         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3384     elif $_cc -V 2>&1 | grep -q Portland; then
3385         _type=pgi
3386         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3387         opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3388         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3389         _cflags_size="-O2 -Munroll=c:1 $opt_common"
3390         _cflags_noopt="-O1"
3391         _flags_filter=pgi_flags
3392     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3393         _type=armasm
3394         _ident=$($_cc | head -n1)
3395         # 4509: "This form of conditional instruction is deprecated"
3396         _flags="-nologo -ignore 4509"
3397         _flags_filter=armasm_flags
3398     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3399         _type=msvc
3400         _ident=$($_cc 2>&1 | head -n1)
3401         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3402         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3403         _cflags_speed="-O2"
3404         _cflags_size="-O1"
3405         _cflags_noopt="-O1"
3406         if $_cc -nologo- 2>&1 | grep -q Linker; then
3407             _ld_o='-out:$@'
3408         else
3409             _ld_o='-Fe$@'
3410         fi
3411         _cc_o='-Fo$@'
3412         _cc_e='-P -Fi$@'
3413         _flags_filter=msvc_flags
3414         _ld_lib='lib%.a'
3415         _ld_path='-libpath:'
3416         _flags='-nologo'
3417     elif $_cc 2>&1 | grep -q Intel; then
3418         _type=icl
3419         _ident=$($_cc 2>&1 | head -n1)
3420         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3421         # Not only is O3 broken on 13.x+ but it is slower on all previous
3422         # versions (tested) as well.
3423         _cflags_speed="-O2"
3424         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3425         if $_cc 2>&1 | grep -q Linker; then
3426             _ld_o='-out:$@'
3427         else
3428             _ld_o='-Fe$@'
3429         fi
3430         _cc_o='-Fo$@'
3431         _cc_e='-P'
3432         _flags_filter=icl_flags
3433         _ld_lib='lib%.a'
3434         _ld_path='-libpath:'
3435         # -Qdiag-error to make icl error when seeing certain unknown arguments
3436         _flags='-nologo -Qdiag-error:4044,10157'
3437         # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3438         # with MSVC which enables it by default.
3439         _cflags='-Qms0 -Qvec- -Qsimd- -GS'
3440     elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
3441         # lld can emulate multiple different linkers; in ms link.exe mode,
3442         # the -? parameter gives the help output which contains an identifyable
3443         # string, while it gives an error in other modes.
3444         _type=lld-link
3445         # The link.exe mode doesn't have a switch for getting the version,
3446         # but we can force it back to gnu mode and get the version from there.
3447         _ident=$($_cc -flavor gnu --version 2>/dev/null)
3448         _ld_o='-out:$@'
3449         _flags_filter=msvc_flags
3450         _ld_lib='lib%.a'
3451         _ld_path='-libpath:'
3452     elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3453         _type=cparser
3454         _ident=$($_cc --version | head -n1)
3455         _depflags='-MMD'
3456         _cflags_speed='-O4'
3457         _cflags_size='-O2'
3458         _flags_filter=cparser_flags
3459     fi
3460
3461     eval ${pfx}_type=\$_type
3462     eval ${pfx}_ident=\$_ident
3463 }
3464
3465 set_ccvars(){
3466     eval ${1}_C=\${_cc_c-\${${1}_C}}
3467     eval ${1}_E=\${_cc_e-\${${1}_E}}
3468     eval ${1}_O=\${_cc_o-\${${1}_O}}
3469
3470     if [ -n "$_depflags" ]; then
3471         eval ${1}_DEPFLAGS=\$_depflags
3472     else
3473         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3474         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3475         eval DEP${1}FLAGS=\$_flags
3476     fi
3477 }
3478
3479 probe_cc cc "$cc"
3480 cflags_filter=$_flags_filter
3481 cflags_speed=$_cflags_speed
3482 cflags_size=$_cflags_size
3483 cflags_noopt=$_cflags_noopt
3484 add_cflags $_flags $_cflags
3485 cc_ldflags=$_ldflags
3486 set_ccvars CC
3487
3488 probe_cc hostcc "$host_cc"
3489 host_cflags_filter=$_flags_filter
3490 host_cflags_speed=$_cflags_speed
3491 add_host_cflags  $_flags $_cflags
3492 set_ccvars HOSTCC
3493
3494 test -n "$cc_type" && enable $cc_type ||
3495     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3496
3497 : ${as_default:=$cc}
3498 : ${objcc_default:=$cc}
3499 : ${dep_cc_default:=$cc}
3500 : ${ld_default:=$cc}
3501 : ${host_ld_default:=$host_cc}
3502 set_default ar as objcc dep_cc ld host_ld
3503
3504 probe_cc as "$as"
3505 asflags_filter=$_flags_filter
3506 add_asflags $_flags $_cflags
3507 set_ccvars AS
3508
3509 probe_cc objcc "$objcc"
3510 objcflags_filter=$_flags_filter
3511 add_objcflags $_flags $_cflags
3512 set_ccvars OBJC
3513
3514 probe_cc ld "$ld"
3515 ldflags_filter=$_flags_filter
3516 add_ldflags $_flags $_ldflags
3517 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3518 LD_O=${_ld_o-$LD_O}
3519 LD_LIB=${_ld_lib-$LD_LIB}
3520 LD_PATH=${_ld_path-$LD_PATH}
3521
3522 probe_cc hostld "$host_ld"
3523 host_ldflags_filter=$_flags_filter
3524 add_host_ldflags $_flags $_ldflags
3525 HOSTLD_O=${_ld_o-$HOSTLD_O}
3526
3527 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3528     probe_cc depcc "$dep_cc"
3529     CCDEP=${_DEPCMD:-$DEPCMD}
3530     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3531     DEPCCFLAGS=$_flags
3532 fi
3533
3534 if $ar 2>&1 | grep -q Microsoft; then
3535     arflags="-nologo"
3536     ar_o='-out:$@'
3537 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3538     arflags="rq"
3539     ar_o='$@'
3540 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3541     arflags='-Xany -r -c'
3542     ar_o='$@'
3543 else
3544     arflags="rc"
3545     ar_o='$@'
3546 fi
3547
3548 add_cflags $extra_cflags
3549 add_objcflags $extra_objcflags
3550 add_asflags $extra_cflags
3551
3552 if test -n "$sysroot"; then
3553     case "$cc_type" in
3554         gcc|llvm_gcc|clang)
3555             add_cppflags --sysroot="$sysroot"
3556             add_ldflags --sysroot="$sysroot"
3557         ;;
3558         tms470)
3559             add_cppflags -I"$sysinclude"
3560             add_ldflags  --sysroot="$sysroot"
3561         ;;
3562     esac
3563 fi
3564
3565 if test "$cpu" = host; then
3566     enabled cross_compile &&
3567         die "--cpu=host makes no sense when cross-compiling."
3568
3569     case "$cc_type" in
3570         gcc|llvm_gcc)
3571             check_native(){
3572                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3573                 sed -n "/cc1.*$1=/{
3574                             s/.*$1=\\([^ ]*\\).*/\\1/
3575                             p
3576                             q
3577                         }" $TMPE
3578             }
3579             cpu=$(check_native -march || check_native -mcpu)
3580         ;;
3581     esac
3582
3583     test "${cpu:-host}" = host &&
3584         die "--cpu=host not supported with compiler $cc"
3585 fi
3586
3587 # Deal with common $arch aliases
3588 case "$arch" in
3589     aarch64|arm64)
3590         arch="aarch64"
3591     ;;
3592     arm*)
3593         arch="arm"
3594     ;;
3595     mips*|IP*)
3596         case "$arch" in
3597         *el)
3598             add_cppflags -EL
3599             add_ldflags -EL
3600         ;;
3601         *eb)
3602             add_cppflags -EB
3603             add_ldflags -EB
3604         ;;
3605         esac
3606         arch="mips"
3607     ;;
3608     parisc*|hppa*)
3609         arch="parisc"
3610     ;;
3611     "Power Macintosh"|ppc*|powerpc*)
3612         arch="ppc"
3613     ;;
3614     s390|s390x)
3615         arch="s390"
3616     ;;
3617     sh4|sh)
3618         arch="sh4"
3619     ;;
3620     sun4u|sparc*)
3621         arch="sparc"
3622     ;;
3623     tilegx|tile-gx)
3624         arch="tilegx"
3625     ;;
3626     i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3627         arch="x86"
3628     ;;
3629 esac
3630
3631 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3632 enable $arch
3633
3634 # Add processor-specific flags
3635 if enabled aarch64; then
3636
3637     case $cpu in
3638         armv*)
3639             cpuflags="-march=$cpu"
3640         ;;
3641         *)
3642             cpuflags="-mcpu=$cpu"
3643         ;;
3644     esac
3645
3646 elif enabled alpha; then
3647
3648     cpuflags="-mcpu=$cpu"
3649
3650 elif enabled arm; then
3651
3652     check_arm_arch() {
3653         check_cpp_condition stddef.h \
3654             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3655             $cpuflags
3656     }
3657
3658     probe_arm_arch() {
3659         if   check_arm_arch 4;        then echo armv4
3660         elif check_arm_arch 4T;       then echo armv4t
3661         elif check_arm_arch 5;        then echo armv5
3662         elif check_arm_arch 5E;       then echo armv5e
3663         elif check_arm_arch 5T;       then echo armv5t
3664         elif check_arm_arch 5TE;      then echo armv5te
3665         elif check_arm_arch 5TEJ;     then echo armv5te
3666         elif check_arm_arch 6;        then echo armv6
3667         elif check_arm_arch 6J;       then echo armv6j
3668         elif check_arm_arch 6K;       then echo armv6k
3669         elif check_arm_arch 6Z;       then echo armv6z
3670         elif check_arm_arch 6ZK;      then echo armv6zk
3671         elif check_arm_arch 6T2;      then echo armv6t2
3672         elif check_arm_arch 7;        then echo armv7
3673         elif check_arm_arch 7A  7_A;  then echo armv7-a
3674         elif check_arm_arch 7S;       then echo armv7-a
3675         elif check_arm_arch 7R  7_R;  then echo armv7-r
3676         elif check_arm_arch 7M  7_M;  then echo armv7-m
3677         elif check_arm_arch 7EM 7E_M; then echo armv7-m
3678         elif check_arm_arch 8A  8_A;  then echo armv8-a
3679         fi
3680     }
3681
3682     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3683
3684     case $cpu in
3685         armv*)
3686             cpuflags="-march=$cpu"
3687             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3688         ;;
3689         *)
3690             cpuflags="-mcpu=$cpu"
3691             case $cpu in
3692                 cortex-a*)                               subarch=armv7a  ;;
3693                 cortex-r*)                               subarch=armv7r  ;;
3694                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
3695                 arm11*)                                  subarch=armv6   ;;
3696                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3697                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
3698                 *)                             subarch=$(probe_arm_arch) ;;
3699             esac
3700         ;;
3701     esac
3702
3703     case "$subarch" in
3704         armv5t*)    enable fast_clz                ;;
3705         armv[6-8]*) enable fast_clz fast_unaligned ;;
3706     esac
3707
3708 elif enabled avr32; then
3709
3710     case $cpu in
3711         ap7[02]0[0-2])
3712             subarch="avr32_ap"
3713             cpuflags="-mpart=$cpu"
3714         ;;
3715         ap)
3716             subarch="avr32_ap"
3717             cpuflags="-march=$cpu"
3718         ;;
3719         uc3[ab]*)
3720             subarch="avr32_uc"
3721             cpuflags="-mcpu=$cpu"
3722         ;;
3723         uc)
3724             subarch="avr32_uc"
3725             cpuflags="-march=$cpu"
3726         ;;
3727     esac
3728
3729 elif enabled bfin; then
3730
3731     cpuflags="-mcpu=$cpu"
3732
3733 elif enabled mips; then
3734
3735     cpuflags="-march=$cpu"
3736
3737 elif enabled ppc; then
3738
3739     disable ldbrx
3740
3741     case $(tolower $cpu) in
3742         601|ppc601|powerpc601)
3743             cpuflags="-mcpu=601"
3744             disable altivec
3745         ;;
3746         603*|ppc603*|powerpc603*)
3747             cpuflags="-mcpu=603"
3748             disable altivec
3749         ;;
3750         604*|ppc604*|powerpc604*)
3751             cpuflags="-mcpu=604"
3752             disable altivec
3753         ;;
3754         g3|75*|ppc75*|powerpc75*)
3755             cpuflags="-mcpu=750"
3756             disable altivec
3757         ;;
3758         g4|745*|ppc745*|powerpc745*)
3759             cpuflags="-mcpu=7450"
3760             disable vsx
3761         ;;
3762         74*|ppc74*|powerpc74*)
3763             cpuflags="-mcpu=7400"
3764             disable vsx
3765         ;;
3766         g5|970|ppc970|powerpc970)
3767             cpuflags="-mcpu=970"
3768             disable vsx
3769         ;;
3770         power[3-6]*)
3771             cpuflags="-mcpu=$cpu"
3772             disable vsx
3773         ;;
3774         power[7-8]*)
3775             cpuflags="-mcpu=$cpu"
3776             enable ldbrx
3777         ;;
3778         cell)
3779             cpuflags="-mcpu=cell"
3780             enable ldbrx
3781             disable vsx
3782         ;;
3783         e500mc)
3784             cpuflags="-mcpu=e500mc"
3785             disable altivec
3786         ;;
3787         e500v2)
3788             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3789             disable altivec
3790             disable dcbzl
3791         ;;
3792         e500)
3793             cpuflags="-mcpu=8540 -mhard-float"
3794             disable altivec
3795             disable dcbzl
3796         ;;
3797     esac
3798
3799 elif enabled sparc; then
3800
3801     case $cpu in
3802         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3803             cpuflags="-mcpu=$cpu"
3804         ;;
3805         ultrasparc*|niagara[234])
3806             cpuflags="-mcpu=$cpu"
3807         ;;
3808     esac
3809
3810 elif enabled x86; then
3811
3812     case $cpu in
3813         i[345]86|pentium)
3814             cpuflags="-march=$cpu"
3815             disable i686
3816             disable mmx
3817         ;;
3818         # targets that do NOT support nopl and conditional mov (cmov)
3819         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3820             cpuflags="-march=$cpu"
3821             disable i686
3822         ;;
3823         # targets that do support nopl and conditional mov (cmov)
3824         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3825             cpuflags="-march=$cpu"
3826             enable i686
3827             enable fast_cmov
3828         ;;
3829         # targets that do support conditional mov but on which it's slow
3830         pentium4|pentium4m|prescott|nocona)
3831             cpuflags="-march=$cpu"
3832             enable i686
3833             disable fast_cmov
3834         ;;
3835     esac
3836
3837 fi
3838
3839 if [ "$cpu" != generic ]; then
3840     add_cflags  $cpuflags
3841     add_asflags $cpuflags
3842     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3843 fi
3844
3845 # compiler sanity check
3846 check_exec <<EOF
3847 int main(void){ return 0; }
3848 EOF
3849 if test "$?" != 0; then
3850     echo "$cc is unable to create an executable file."
3851     if test -z "$cross_prefix" && ! enabled cross_compile ; then
3852         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3853         echo "Only do this if you know what cross compiling means."
3854     fi
3855     die "C compiler test failed."
3856 fi
3857
3858 add_cppflags -D_ISOC99_SOURCE
3859
3860 # some compilers silently accept -std=c11, so we also need to check that the
3861 # version macro is defined properly
3862 check_cpp_condition stdlib.h  "__STDC_VERSION__ >= 201112L" -std=c11 &&
3863     add_cflags -std=c11 ||
3864     check_cflags -std=c99
3865
3866 check_cppflags -D_FILE_OFFSET_BITS=64
3867 check_cppflags -D_LARGEFILE_SOURCE
3868
3869 add_host_cppflags -D_ISOC99_SOURCE
3870 check_host_cflags -std=c99
3871 check_host_cflags -Wall
3872 check_host_cflags $host_cflags_speed
3873
3874 check_64bit(){
3875     arch32=$1
3876     arch64=$2
3877     expr=$3
3878     check_code cc "" "int test[2*($expr) - 1]" &&
3879         subarch=$arch64 || subarch=$arch32
3880 }
3881
3882 case "$arch" in
3883     aarch64|alpha|ia64)
3884         spic=$shared
3885     ;;
3886     mips)
3887         check_64bit mips mips64 '_MIPS_SIM > 1'
3888         spic=$shared
3889     ;;
3890     parisc)
3891         check_64bit parisc parisc64 'sizeof(void *) > 4'
3892         spic=$shared
3893     ;;
3894     ppc)
3895         check_64bit ppc ppc64 'sizeof(void *) > 4'
3896         spic=$shared
3897     ;;
3898     s390)
3899         check_64bit s390 s390x 'sizeof(void *) > 4'
3900         spic=$shared
3901     ;;
3902     sparc)
3903         check_64bit sparc sparc64 'sizeof(void *) > 4'
3904         spic=$shared
3905     ;;
3906     x86)
3907         check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3908         if test "$subarch" = "x86_64"; then
3909             spic=$shared
3910         fi
3911     ;;
3912 esac
3913
3914 enable $subarch
3915 enabled spic && enable_weak pic
3916
3917 enabled x86_64 && objformat=elf64 || objformat="elf32"
3918
3919 # OS specific
3920 case $target_os in
3921     aix)
3922         SHFLAGS=-shared
3923         add_cppflags '-I\$(SRC_PATH)/compat/aix'
3924         enabled shared && add_ldflags -Wl,-brtl
3925         ;;
3926     android)
3927         disable symver
3928         enable section_data_rel_ro
3929         SLIB_INSTALL_NAME='$(SLIBNAME)'
3930         SLIB_INSTALL_LINKS=
3931         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3932         ;;
3933     haiku)
3934         prefix_default="/boot/common"
3935         network_extralibs="-lnetwork"
3936         host_extralibs=
3937         ;;
3938     sunos)
3939         SHFLAGS='-shared -Wl,-h,$$(@F)'
3940         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3941         network_extralibs="-lsocket -lnsl"
3942         # When using suncc to build, the Solaris linker will mark
3943         # an executable with each instruction set encountered by
3944         # the Solaris assembler.  As our libraries contain their own
3945         # guards for processor-specific code, instead suppress
3946         # generation of the HWCAPS ELF section on Solaris x86 only.
3947         enabled_all suncc x86 &&
3948             echo "hwcap_1 = OVERRIDE;" > mapfile &&
3949             add_ldflags -Wl,-M,mapfile
3950         nm_default='nm -P -g'
3951         version_script='-M'
3952         VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
3953         ;;
3954     netbsd)
3955         disable symver
3956         oss_indev_extralibs="-lossaudio"
3957         oss_outdev_extralibs="-lossaudio"
3958         ;;
3959     openbsd|bitrig)
3960         disable symver
3961         SHFLAGS='-shared'
3962         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3963         SLIB_INSTALL_LINKS=
3964         oss_indev_extralibs="-lossaudio"
3965         oss_outdev_extralibs="-lossaudio"
3966         ;;
3967     dragonfly)
3968         disable symver
3969         ;;
3970     freebsd)
3971         ;;
3972     bsd/os)
3973         add_extralibs -lpoll -lgnugetopt
3974         ;;
3975     darwin)
3976         enabled ppc && add_asflags -force_cpusubtype_ALL
3977         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3978         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3979         add_ldflags -Wl,-dynamic,-search_paths_first
3980         check_cflags -Werror=partial-availability
3981         SLIBSUF=".dylib"
3982         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
3983         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
3984         enabled x86_64 && objformat="macho64" || objformat="macho32"
3985         enabled_any pic shared ||
3986             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3987         check_header dispatch/dispatch.h &&
3988             add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
3989         if test -n "$sysroot"; then
3990             is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
3991             is_in -isysroot $ld $LDFLAGS          || check_ldflags  -isysroot $sysroot
3992         fi
3993         ;;
3994     msys*)
3995         die "Native MSYS builds are discouraged, please use the MINGW environment."
3996         ;;
3997     mingw32*|mingw64*)
3998         target_os=mingw32
3999         LIBTARGET=i386
4000         if enabled x86_64; then
4001             LIBTARGET="i386:x86-64"
4002         fi
4003         if enabled shared; then
4004             # Cannot build both shared and static libs when using dllexport.
4005             disable static
4006         fi
4007         check_ldflags -Wl,--nxcompat
4008         check_ldflags -Wl,--dynamicbase
4009         shlibdir_default="$bindir_default"
4010         SLIBPREF=""
4011         SLIBSUF=".dll"
4012         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4013         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4014         SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4015         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4016         SLIB_INSTALL_LINKS=
4017         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4018         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4019         SLIB_CREATE_DEF_CMD='ARCH="$(ARCH)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4020         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-auto-image-base $$(@:$(SLIBSUF)=.def)'
4021         enabled x86_64 && objformat="win64" || objformat="win32"
4022         dlltool="${cross_prefix}dlltool"
4023         ranlib=:
4024         enable dos_paths
4025         ;;
4026     win32|win64)
4027         disable symver
4028         if enabled shared; then
4029             # Link to the import library instead of the normal static library
4030             # for shared libs.
4031             LD_LIB='%.lib'
4032             # Cannot build both shared and static libs with MSVC or icl.
4033             disable static
4034         fi
4035         shlibdir_default="$bindir_default"
4036         SLIBPREF=""
4037         SLIBSUF=".dll"
4038         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4039         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4040         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4041         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4042         SLIB_INSTALL_LINKS=
4043         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4044         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4045         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4046         enabled x86_64 && objformat="win64" || objformat="win32"
4047         ranlib=:
4048         enable dos_paths
4049         ;;
4050     cygwin*)
4051         target_os=cygwin
4052         shlibdir_default="$bindir_default"
4053         SLIBPREF="cyg"
4054         SLIBSUF=".dll"
4055         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4056         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4057         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4058         SLIB_INSTALL_LINKS=
4059         SLIB_INSTALL_EXTRA_LIB='lib$(NAME).dll.a'
4060         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(NAME).dll.a'
4061         enabled x86_64 && objformat="win64" || objformat="win32"
4062         enable dos_paths
4063         ;;
4064     *-dos|freedos|opendos)
4065         network_extralibs="-lsocket"
4066         objformat="coff"
4067         enable dos_paths
4068         add_cppflags -U__STRICT_ANSI__
4069         ;;
4070     linux)
4071         enable dv1394
4072         enable section_data_rel_ro
4073         ;;
4074     irix*)
4075         target_os=irix
4076         ranlib="echo ignoring ranlib"
4077         ;;
4078     os/2*)
4079         ln_s="cp -f"
4080         objformat="aout"
4081         add_cppflags -D_GNU_SOURCE
4082         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
4083         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4084         LIBSUF="_s.a"
4085         SLIBPREF=""
4086         SLIBSUF=".dll"
4087         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4088         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4089         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4090             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4091             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4092             echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4093             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4094         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4095             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4096         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4097         enable dos_paths
4098         ;;
4099     gnu/kfreebsd)
4100         add_cppflags -D_BSD_SOURCE
4101         ;;
4102     gnu)
4103         ;;
4104     qnx)
4105         add_cppflags -D_QNX_SOURCE
4106         network_extralibs="-lsocket"
4107         ;;
4108     symbian)
4109         SLIBSUF=".dll"
4110         enable dos_paths
4111         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4112         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4113         add_ldflags -Wl,--target1-abs,--no-undefined \
4114                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4115                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4116         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4117                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4118                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4119         ;;
4120     minix)
4121         ;;
4122     none)
4123         ;;
4124     *)
4125         die "Unknown OS '$target_os'."
4126         ;;
4127 esac
4128
4129 # determine libc flavour
4130
4131 probe_libc(){
4132     pfx=$1
4133     pfx_no_=${pfx%_}
4134     # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4135     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4136         eval ${pfx}libc_type=uclibc
4137         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4138     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4139         eval ${pfx}libc_type=glibc
4140         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4141     # MinGW headers can be installed on Cygwin, so check for newlib first.
4142     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4143         eval ${pfx}libc_type=newlib
4144         add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
4145     # MinGW64 is backwards compatible with MinGW32, so check for it first.
4146     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4147         eval ${pfx}libc_type=mingw64
4148         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4149         eval test \$${pfx_no_}cc_type = "gcc" &&
4150             add_${pfx}cppflags -D__printf__=__gnu_printf__
4151     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||
4152          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4153         eval ${pfx}libc_type=mingw32
4154         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4155             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4156             die "ERROR: MinGW32 runtime version must be >= 3.15."
4157         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4158         check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
4159             add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
4160         check_${pfx}cpp_condition windows.h "defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0502" &&
4161             add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4162         eval test \$${pfx_no_}cc_type = "gcc" &&
4163             add_${pfx}cppflags -D__printf__=__gnu_printf__
4164     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4165         eval ${pfx}libc_type=msvcrt
4166         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4167             if [ "$pfx" = host_ ]; then
4168                 add_host_cppflags -Dsnprintf=_snprintf
4169             else
4170                 add_compat strtod.o strtod=avpriv_strtod
4171                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \
4172                                              _snprintf=avpriv_snprintf  \
4173                                              vsnprintf=avpriv_vsnprintf
4174             fi
4175         fi
4176         add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
4177         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4178         # 0x601 by default unless something else is set by the user.
4179         # This can easily lead to us detecting functions only present
4180         # in such new versions and producing binaries requiring windows 7.0.
4181         # Therefore explicitly set the default to XP unless the user has
4182         # set something else on the command line.
4183         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4184         # family. For these cases, configure is free to use any functions
4185         # found in the SDK headers by default. (Alternatively, we could force
4186         # _WIN32_WINNT to 0x0602 in that case.)
4187         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4188             { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4189 #ifdef WINAPI_FAMILY
4190 #include <winapifamily.h>
4191 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4192 #error not desktop
4193 #endif
4194 #endif
4195 EOF
4196         if [ "$pfx" = "" ]; then
4197             check_func strtoll || add_cflags -Dstrtoll=_strtoi64
4198         fi
4199     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4200         eval ${pfx}libc_type=klibc
4201     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4202         eval ${pfx}libc_type=bionic
4203     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4204         eval ${pfx}libc_type=solaris
4205         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4206     else
4207         eval ${pfx}libc_type=default
4208         add_${pfx}cppflags -D_DEFAULT_SOURCE
4209     fi
4210 }
4211
4212 probe_libc
4213 test -n "$libc_type" && enable libc_$libc_type
4214 probe_libc host_
4215 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4216
4217 # hacks for compiler/libc/os combinations
4218
4219 case $libc_type in
4220     bionic)
4221         add_compat strtod.o strtod=avpriv_strtod
4222         ;;
4223     glibc)
4224         if enabled tms470; then
4225             CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4226             add_cppflags -D__USER_LABEL_PREFIX__=
4227             add_cppflags -D__builtin_memset=memset
4228             add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4229             add_cflags   -pds=48    # incompatible redefinition of macro
4230         fi
4231         ;;
4232 esac
4233
4234 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4235     add_cppflags '-I\$(SRC_PATH)/compat/float'
4236
4237 esc(){
4238     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4239 }
4240
4241 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" > avbuild/config.fate
4242
4243 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4244
4245 set_default $PATHS_LIST
4246 set_default nm
4247
4248 # we need to build at least one lib type
4249 if ! enabled_any static shared; then
4250     cat <<EOF
4251 At least one library type must be built.
4252 Specify --enable-static to build the static libraries or --enable-shared to
4253 build the shared libraries as well. To only build the shared libraries specify
4254 --disable-static in addition to --enable-shared.
4255 EOF
4256     exit 1
4257 fi
4258
4259 disabled optimizations || check_cflags -fomit-frame-pointer
4260
4261 enable_weak_pic() {
4262     disabled pic && return
4263     enable pic
4264     add_cppflags -DPIC
4265     case "$target_os" in
4266     mingw*|cygwin*)
4267         ;;
4268     *)
4269         add_cflags -fPIC
4270         ;;
4271     esac
4272     add_asflags  -fPIC
4273 }
4274
4275 enabled pic && enable_weak_pic
4276
4277 check_cc <<EOF || die "Symbol mangling check failed."
4278 int ff_extern;
4279 EOF
4280 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4281 extern_prefix=${sym%%ff_extern*}
4282
4283 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
4284
4285 _restrict=
4286 for restrict_keyword in restrict __restrict__ __restrict; do
4287     check_cc <<EOF && _restrict=$restrict_keyword && break
4288 void foo(char * $restrict_keyword p);
4289 EOF
4290 done
4291
4292 check_cc <<EOF && enable pragma_deprecated
4293 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4294 EOF
4295
4296 check_cc <<EOF || die "endian test failed"
4297 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4298 EOF
4299 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4300
4301 check_gas() {
4302     log "check_gas using '$as' as AS"
4303     # :vararg is used on aarch64, arm and ppc altivec
4304     check_as <<EOF || return 1
4305 .macro m n, y:vararg=0
4306 \n: .int \y
4307 .endm
4308 m x
4309 EOF
4310     # .altmacro is only used in arm asm
4311     ! enabled arm || check_as <<EOF || return 1
4312 .altmacro
4313 EOF
4314     enable gnu_as
4315     return 0
4316 }
4317
4318 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4319     nogas=:
4320     enabled_any arm aarch64 && nogas=die
4321     enabled_all ppc altivec && nogas=warn
4322     as_noop=-v
4323
4324     case $as_type in
4325         arm*) gaspp_as_type=armasm; as_noop=-h ;;
4326         gcc)  gaspp_as_type=gas ;;
4327         *)    gaspp_as_type=$as_type ;;
4328     esac
4329
4330     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4331
4332     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as $as_noop &&
4333         gas="gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as"
4334
4335     if ! check_gas ; then
4336         as=${gas:=$as}
4337         check_gas || \
4338             $nogas "GNU assembler not found, install/update gas-preprocessor"
4339     fi
4340
4341     check_as <<EOF && enable as_func
4342 .func test
4343 .endfunc
4344 EOF
4345 fi
4346
4347 check_inline_asm inline_asm_labels '"1:\n"'
4348
4349 if enabled aarch64; then
4350     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'
4351     # internal assembler in clang 3.3 does not support this instruction
4352     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'
4353     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'
4354
4355     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4356
4357 elif enabled alpha; then
4358
4359     check_cflags -mieee
4360
4361 elif enabled arm; then
4362
4363     enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
4364     check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
4365     enabled thumb && check_cflags -mthumb || check_cflags -marm
4366
4367     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4368         enable vfp_args
4369     elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
4370         enable vfp_args
4371     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
4372         case "${cross_prefix:-$cc}" in
4373             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
4374             *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4375 __asm__ (".eabi_attribute 28, 1");
4376 int main(void) { return 0; }
4377 EOF
4378         esac
4379         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4380     fi
4381
4382     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4383     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'
4384     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4385     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'
4386     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'
4387     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'
4388
4389     [ $target_os = linux ] || [ $target_os = android ] ||
4390         map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4391             $ARCH_EXT_LIST_ARM
4392
4393     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4394
4395     check_as <<EOF && enable as_arch_directive
4396 .arch armv7-a
4397 EOF
4398     check_as <<EOF && enable as_fpu_directive
4399 .fpu neon
4400 EOF
4401
4402     # llvm's integrated assembler supports .object_arch from llvm 3.5
4403     [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
4404         check_as <<EOF && enable as_object_arch
4405 .object_arch armv4
4406 EOF
4407
4408     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4409
4410 elif enabled mips; then
4411
4412     check_inline_asm loongson '"dmult.g $1, $2, $3"'
4413
4414     # make sure that only an instruction set is enabled
4415     disable mips64r6 mips32r6 mips64r2 mips32r2 mips64r1 mips32r1
4416
4417     if enabled mips64; then
4418         check_inline_asm mips64r6 '"dlsa $0, $0, $0, 1"' ||
4419             check_inline_asm mips64r2 '"dext $0, $0, 0, 1"' ||
4420                 check_inline_asm mips64r1 '"daddi $0, $0, 0"'
4421     else
4422         check_inline_asm mips32r6 '"aui $0, $0, 0"' ||
4423             check_inline_asm mips32r2 '"ext $0, $0, 0, 1"' ||
4424                 check_inline_asm mips32r1 '"addi $0, $0, 0"'
4425     fi
4426
4427 elif enabled parisc; then
4428
4429     if enabled gcc; then
4430         case $($cc -dumpversion) in
4431             4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4432         esac
4433     fi
4434
4435 elif enabled ppc; then
4436
4437     enable local_aligned_8 local_aligned_16 local_aligned_32
4438
4439     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
4440     check_inline_asm ibm_asm   '"add 0, 0, 0"'
4441     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'
4442     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4443
4444     if enabled altivec; then
4445         check_cflags -maltivec -mabi=altivec
4446
4447         # check if our compiler supports Motorola AltiVec C API
4448         check_code cc altivec.h "vector signed int v1 = (vector signed int) { 0 };
4449                                  vector signed int v2 = (vector signed int) { 1 };
4450                                  v1 = vec_add(v1, v2);" ||
4451             disable altivec
4452
4453         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4454     fi
4455
4456     if enabled vsx; then
4457         check_cflags -mvsx &&
4458         check_code cc altivec.h "int v[4] = { 0 };
4459                                  vector signed int v1 = vec_vsx_ld(0, v);" ||
4460             disable vsx
4461     fi
4462
4463     if enabled power8; then
4464         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4465     fi
4466
4467 elif enabled x86; then
4468
4469     check_builtin rdtsc    intrin.h   "__rdtsc()"
4470     check_builtin mm_empty mmintrin.h "_mm_empty()"
4471
4472     enable local_aligned_8 local_aligned_16 local_aligned_32
4473
4474     # check whether EBP is available on x86
4475     # As 'i' is stored on the stack, this program will crash
4476     # if the base pointer is used to access it because the
4477     # base pointer is cleared in the inline assembly code.
4478     check_exec_crash <<EOF && enable ebp_available
4479 volatile int i=0;
4480 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4481 return i;
4482 EOF
4483
4484     # check whether EBX is available on x86
4485     check_inline_asm ebx_available '""::"b"(0)' &&
4486         check_inline_asm ebx_available '"":::"%ebx"'
4487
4488     # check whether xmm clobbers are supported
4489     check_inline_asm xmm_clobbers '"":::"%xmm0"'
4490
4491     # check whether binutils is new enough to compile SSSE3/MMXEXT
4492     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'
4493     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4494
4495     probe_x86asm(){
4496         x86asmexe_probe=$1
4497         if check_cmd $x86asmexe_probe -v; then
4498             x86asmexe=$x86asmexe_probe
4499             x86asm_type=nasm
4500             x86asm_debug="-g -F dwarf"
4501             X86ASMDEP=
4502             X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
4503         elif check_cmd $x86asmexe_probe --version; then
4504             x86asmexe=$x86asmexe_probe
4505             x86asm_type=yasm
4506             x86asm_debug="-g dwarf2"
4507             X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
4508             X86ASM_DEPFLAGS=
4509         fi
4510         check_x86asm "movbe ecx, [5]" && enable x86asm
4511     }
4512
4513     if ! disabled_any asm mmx x86asm; then
4514         disable x86asm
4515         for program in $x86asmexe nasm yasm; do
4516             probe_x86asm $program && break
4517         done
4518         disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
4519         X86ASMFLAGS="-f $objformat"
4520         enabled pic               && append X86ASMFLAGS "-DPIC"
4521         test -n "$extern_prefix"  && append X86ASMFLAGS "-DPREFIX"
4522         case "$objformat" in
4523             elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
4524         esac
4525
4526         check_x86asm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external
4527         check_x86asm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4528         check_x86asm "vfmadd132ps ymm0, ymm1, ymm2"    || disable fma3_external
4529         check_x86asm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4530         check_x86asm "CPU amdnop"                      || disable cpunop
4531     fi
4532
4533     case "$cpu" in
4534         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4535             disable fast_clz
4536         ;;
4537     esac
4538
4539 fi
4540
4541 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4542
4543 check_ldflags -Wl,--as-needed
4544
4545 if ! disabled network; then
4546     check_func getaddrinfo $network_extralibs
4547     check_func inet_aton $network_extralibs
4548
4549     check_type netdb.h "struct addrinfo"
4550     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4551     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4552     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4553     check_type poll.h "struct pollfd"
4554     check_type netinet/sctp.h "struct sctp_event_subscribe"
4555     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4556     check_type netinet/in.h "struct sockaddr_in6"
4557     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4558     check_type "sys/types.h sys/socket.h" socklen_t
4559
4560     # Prefer arpa/inet.h over winsock2
4561     if check_header arpa/inet.h ; then
4562         check_func closesocket
4563     elif check_header winsock2.h ; then
4564         check_func_headers winsock2.h closesocket -lws2 &&
4565             network_extralibs="-lws2" ||
4566         { check_func_headers winsock2.h closesocket -lws2_32 &&
4567             network_extralibs="-lws2_32"; } || disable winsock2_h network
4568         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4569
4570         check_type ws2tcpip.h socklen_t
4571         check_type ws2tcpip.h "struct addrinfo"
4572         check_type ws2tcpip.h "struct group_source_req"
4573         check_type ws2tcpip.h "struct ip_mreq_source"
4574         check_type ws2tcpip.h "struct ipv6_mreq"
4575         check_type winsock2.h "struct pollfd"
4576         check_struct winsock2.h "struct sockaddr" sa_len
4577         check_type ws2tcpip.h "struct sockaddr_in6"
4578         check_type ws2tcpip.h "struct sockaddr_storage"
4579     else
4580         disable network
4581     fi
4582 fi
4583
4584 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4585 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4586 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4587 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4588
4589 case "$custom_allocator" in
4590     jemalloc)
4591         # jemalloc by default does not use a prefix
4592         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
4593     ;;
4594     tcmalloc)
4595         require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
4596         malloc_prefix=tc_
4597     ;;
4598 esac
4599
4600 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
4601 check_func  ${malloc_prefix}memalign            && enable memalign
4602 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
4603
4604 check_cpp_condition unistd.h "defined(_POSIX_MONOTONIC_CLOCK)" &&
4605     { check_lib clock_gettime time.h clock_gettime ||
4606       check_lib clock_gettime time.h clock_gettime -lrt; }
4607
4608 check_func  fcntl
4609 check_func  gethrtime
4610 check_func  getopt
4611 check_func  getrusage
4612 check_func  gettimeofday
4613 check_func  gmtime_r
4614 check_func  isatty
4615 check_func  localtime_r
4616 check_func  mach_absolute_time
4617 check_func  mkstemp
4618 check_func  mmap
4619 check_func  mprotect
4620 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4621 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
4622 check_func  sched_getaffinity
4623 check_func  setrlimit
4624 check_func  strerror_r
4625 check_func  sysconf
4626 check_func  sysctl
4627 check_func  usleep
4628
4629 check_func_headers io.h setmode
4630 check_func_headers stdlib.h getenv
4631
4632 check_func_headers windows.h GetProcessAffinityMask
4633 check_func_headers windows.h GetProcessTimes
4634 check_func_headers windows.h GetSystemTimeAsFileTime
4635 check_func_headers windows.h LoadLibrary
4636 check_func_headers windows.h MapViewOfFile
4637 check_func_headers windows.h SetConsoleTextAttribute
4638 check_func_headers windows.h Sleep
4639 check_func_headers windows.h VirtualAlloc
4640 check_struct windows.h "CONDITION_VARIABLE" Ptr
4641
4642 check_header direct.h
4643 check_header dxgidebug.h
4644 check_header dxva.h
4645 check_header dxva2api.h
4646 check_header io.h
4647 check_header mach/mach_time.h
4648 check_header malloc.h
4649 check_header poll.h
4650 check_header sys/param.h
4651 check_header sys/resource.h
4652 check_header sys/select.h
4653 check_header sys/time.h
4654 check_header sys/un.h
4655 check_header unistd.h
4656 check_header valgrind/valgrind.h
4657 check_header VideoDecodeAcceleration/VDADecoder.h
4658 check_header windows.h
4659
4660 # it seems there are versions of clang in some distros that try to use the
4661 # gcc headers, which explodes for stdatomic
4662 # so we also check that atomics actually work here
4663 check_builtin stdatomic_h stdatomic.h "atomic_int foo; atomic_store(&foo, 0)"
4664
4665 check_lib ole32    "windows.h"            CoTaskMemFree        -lole32
4666 check_lib shell32  "windows.h shellapi.h" CommandLineToArgvW   -lshell32
4667 check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom       -ladvapi32
4668 check_lib psapi    "windows.h psapi.h"    GetProcessMemoryInfo -lpsapi
4669
4670 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4671
4672 check_type "cuviddec.h" "CUVIDH264PICPARAMS"
4673 check_type "cuviddec.h" "CUVIDHEVCPICPARAMS"
4674 check_struct "cuviddec.h" "CUVIDDECODECREATEINFO" bitDepthMinus8
4675
4676 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
4677 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
4678 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
4679
4680 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
4681 check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
4682 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
4683 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
4684 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
4685 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
4686 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
4687 check_type "va/va.h va/va_enc_vp8.h"  "VAEncPictureParameterBufferVP8"
4688 check_type "va/va.h va/va_enc_vp9.h"  "VAEncPictureParameterBufferVP9"
4689
4690 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
4691
4692 if ! disabled w32threads && ! enabled pthreads; then
4693     check_lib w32threads "windows.h process.h" _beginthreadex
4694 fi
4695
4696 # check for some common methods of building with pthread support
4697 # do this before the optional library checks as some of them require pthreads
4698 if ! disabled pthreads && ! enabled w32threads; then
4699     if check_lib pthreads pthread.h pthread_join -pthread; then
4700         add_cflags -pthread
4701     elif check_lib pthreads pthread.h pthread_join -pthreads; then
4702         add_cflags -pthreads
4703     elif check_lib pthreads pthread.h pthread_join -lpthreadGC2; then
4704         :
4705     elif check_lib pthreads pthread.h pthread_join -lpthread; then
4706         :
4707     elif check_func pthread_join; then
4708         enable pthreads
4709     fi
4710 fi
4711
4712 enabled pthreads &&
4713     check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
4714
4715 disabled  zlib || check_lib  zlib  zlib.h      zlibVersion -lz
4716 disabled bzlib || check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
4717
4718 # On some systems dynamic loading requires no extra linker flags
4719 check_lib libdl dlfcn.h dlopen || check_lib libdl dlfcn.h dlopen -ldl
4720
4721 check_lib libm math.h sin -lm
4722
4723 atan2f_args=2
4724 ldexpf_args=2
4725 powf_args=2
4726
4727 for func in $MATH_FUNCS; do
4728     eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
4729 done
4730
4731 # these are off by default, so fail if requested and not available
4732 enabled avisynth          && require_header avisynth/avisynth_c.h
4733 enabled avxsynth          && require_header avxsynth/avxsynth_c.h
4734 enabled cuda              && require cuda cuda.h cuInit -lcuda
4735 enabled cuvid             && require cuvid cuviddec.h cuvidCreateDecoder -lnvcuvid
4736 enabled frei0r            && require_header frei0r.h
4737 enabled gnutls            && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
4738 enabled libbs2b           && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
4739 enabled libdc1394         && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
4740 enabled libdcadec         && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec
4741 enabled libfaac           && require libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4742 enabled libfdk_aac        && require_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen
4743 enabled libfontconfig     && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
4744 enabled libfreetype       && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
4745 enabled libgsm            && require libgsm gsm._h gsm_create -lgsm
4746 enabled libhdcd           && require_pkg_config libhdcd libhdcd "hdcd/hdcd_simple.h" hdcd_new
4747 enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4748 enabled libkvazaar        && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
4749 enabled libmfx            && require_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit
4750 enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4751 enabled libnpp            && require libnpp npp.h nppGetLibVersion -lnppi -lnppc
4752 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4753 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4754 enabled libopencv         && require_pkg_config libopencv opencv opencv/cv.h cvCreateImageHeader
4755 enabled libopenh264       && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
4756 enabled libopenjpeg       && { check_lib libopenjpeg openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4757                                require_pkg_config libopenjpeg libopenjpeg1 openjpeg.h opj_version -DOPJ_STATIC; }
4758 enabled libopus           && require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
4759 enabled libpulse          && require_pkg_config libpulse libpulse-simple pulse/simple.h pa_simple_new
4760 enabled librtmp           && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
4761 enabled libschroedinger   && require_pkg_config libschroedinger schroedinger-1.0 schroedinger/schro.h schro_init
4762 enabled libsnappy         && require libsnappy snappy-c.h snappy_compress -lsnappy
4763 enabled libspeex          && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
4764 enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4765 enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame
4766 enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4767 enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4768 enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4769 enabled libvpx            && require_pkg_config libvpx "vpx >= 1.3.0" vpx/vpx_codec.h vpx_codec_version &&
4770                              { enabled libvpx_vp8_decoder &&
4771                                    check_pkg_config libvpx_vp8_decoder vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx
4772                                enabled libvpx_vp8_encoder &&
4773                                    check_pkg_config libvpx_vp8_encoder vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx
4774                                enabled libvpx_vp9_decoder &&
4775                                    check_pkg_config libvpx_vp9_decoder vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx
4776                                enabled libvpx_vp9_encoder &&
4777                                    check_pkg_config libvpx_vp9_encoder vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx
4778                                disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder &&
4779                                    die "libvpx enabled but no supported decoders/encoders found"
4780                              }
4781 enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack
4782 enabled libwebp           && require_pkg_config libwebp libwebp webp/encode.h WebPGetEncoderVersion
4783 enabled libx264           && require_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode &&
4784                              require_cpp_condition x264.h "X264_BUILD >= 118" &&
4785                              { check_cpp_condition x264.h "X264_MPEG2" &&
4786                                enable libx262; }
4787 enabled libx265           && require_pkg_config libx265 x265 x265.h x265_api_get &&
4788                              require_cpp_condition x265.h "X265_BUILD >= 57"
4789 enabled libxavs           && require libxavs "stdint.h xavs.h" xavs_encoder_encode -lxavs
4790 enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore
4791 enabled mmal              && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
4792                                { ! enabled cross_compile &&
4793                                  add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
4794                                  add_ldflags -L/opt/vc/lib/ &&
4795                                  check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
4796                                die "ERROR: mmal not found" &&
4797                                check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
4798 enabled omx               && require_header OMX_Core.h
4799 enabled omx_rpi           && { check_header OMX_Core.h ||
4800                                { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
4801                                die "ERROR: OpenMAX IL headers not found"; } && enable omx
4802 enabled openssl           && { { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
4803                                  check_pkg_config openssl openssl openssl/ssl.h SSL_library_init; } ||
4804                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4805                                check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4806                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4807                                die "ERROR: openssl not found"; }
4808
4809 enabled gnutls            && check_lib gmp gmp.h mpz_export -lgmp