git.sesse.net Git - ffmpeg/blob - configure

   1 #!/bin/sh
   2 #
   3 # FFmpeg configure script
   4 #
   5 # Copyright (c) 2000-2002 Fabrice Bellard
   6 # Copyright (c) 2005-2008 Diego Biurrun
   7 # Copyright (c) 2005-2008 Mans Rullgard
   8 #
   9
  10 # Prevent locale nonsense from breaking basic text processing.
  11 LC_ALL=C
  12 export LC_ALL
  13
  14 # make sure we are running under a compatible shell
  15 # try to make this part work with most shells
  16
  17 try_exec(){
  18     echo "Trying shell $1"
  19     type "$1" > /dev/null 2>&1 && exec "$@"
  20 }
  21
  22 unset foo
  23 (: ${foo%%bar}) 2> /dev/null
  24 E1="$?"
  25
  26 (: ${foo?}) 2> /dev/null
  27 E2="$?"
  28
  29 if test "$E1" != 0 || test "$E2" = 0; then
  30     echo "Broken shell detected.  Trying alternatives."
  31     export FF_CONF_EXEC
  32     if test "0$FF_CONF_EXEC" -lt 1; then
  33         FF_CONF_EXEC=1
  34         try_exec bash "$0" "$@"
  35     fi
  36     if test "0$FF_CONF_EXEC" -lt 2; then
  37         FF_CONF_EXEC=2
  38         try_exec ksh "$0" "$@"
  39     fi
  40     if test "0$FF_CONF_EXEC" -lt 3; then
  41         FF_CONF_EXEC=3
  42         try_exec /usr/xpg4/bin/sh "$0" "$@"
  43     fi
  44     echo "No compatible shell script interpreter found."
  45     echo "This configure script requires a POSIX-compatible shell"
  46     echo "such as bash or ksh."
  47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  48     echo "Instead, install a working POSIX-compatible shell."
  49     echo "Disabling this configure test will create a broken FFmpeg."
  50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  51         echo "This bash version ($BASH_VERSION) is broken on your platform."
  52         echo "Upgrade to a later version if available."
  53     fi
  54     exit 1
  55 fi
  56
  57 show_help(){
  58     cat <<EOF
  59 Usage: configure [options]
  60 Options: [defaults in brackets after descriptions]
  61
  62 Help options:
  63   --help                   print this message
  64   --list-decoders          show all available decoders
  65   --list-encoders          show all available encoders
  66   --list-hwaccels          show all available hardware accelerators
  67   --list-demuxers          show all available demuxers
  68   --list-muxers            show all available muxers
  69   --list-parsers           show all available parsers
  70   --list-protocols         show all available protocols
  71   --list-bsfs              show all available bitstream filters
  72   --list-indevs            show all available input devices
  73   --list-outdevs           show all available output devices
  74   --list-filters           show all available filters
  75
  76 Standard options:
  77   --logfile=FILE           log tests and output to FILE [config.log]
  78   --disable-logging        do not log configure debug information
  79   --prefix=PREFIX          install in PREFIX [$prefix]
  80   --bindir=DIR             install binaries in DIR [PREFIX/bin]
  81   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
  82   --libdir=DIR             install libs in DIR [PREFIX/lib]
  83   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
  84   --incdir=DIR             install includes in DIR [PREFIX/include]
  85   --mandir=DIR             install man page in DIR [PREFIX/share/man]
  86
  87 Licensing options:
  88   --enable-gpl             allow use of GPL code, the resulting libs
  89                            and binaries will be under GPL [no]
  90   --enable-version3        upgrade (L)GPL to version 3 [no]
  91   --enable-nonfree         allow use of nonfree code, the resulting libs
  92                            and binaries will be unredistributable [no]
  93
  94 Configuration options:
  95   --disable-static         do not build static libraries [no]
  96   --enable-shared          build shared libraries [no]
  97   --enable-small           optimize for size instead of speed
  98   --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
  99   --enable-gray            enable full grayscale support (slower color)
 100   --disable-swscale-alpha  disable alpha channel support in swscale
 101
 102 Documentation options:
 103   --disable-doc            do not build documentation
 104   --disable-htmlpages      do not build HTML documentation pages
 105   --disable-manpages       do not build man documentation pages
 106   --disable-podpages       do not build POD documentation pages
 107   --disable-txtpages       do not build text documentation pages
 108
 109 Component options:
 110   --disable-ffmpeg         disable ffmpeg build
 111   --disable-ffplay         disable ffplay build
 112   --disable-ffprobe        disable ffprobe build
 113   --disable-ffserver       disable ffserver build
 114   --disable-avdevice       disable libavdevice build
 115   --disable-avcodec        disable libavcodec build
 116   --disable-avformat       disable libavformat build
 117   --disable-swresample     disable libswresample build
 118   --disable-swscale        disable libswscale build
 119   --disable-postproc       disable libpostproc build
 120   --disable-avfilter       disable libavfilter build
 121   --enable-avresample      enable libavresample build [no]
 122   --disable-pthreads       disable pthreads [auto]
 123   --disable-w32threads     disable Win32 threads [auto]
 124   --disable-os2threads     disable OS/2 threads [auto]
 125   --enable-x11grab         enable X11 grabbing [no]
 126   --disable-network        disable network support [no]
 127   --disable-dct            disable DCT code
 128   --disable-dwt            disable DWT code
 129   --disable-lsp            disable LSP code
 130   --disable-mdct           disable MDCT code
 131   --disable-rdft           disable RDFT code
 132   --disable-fft            disable FFT code
 133   --enable-dxva2           enable DXVA2 code
 134   --enable-vaapi           enable VAAPI code [autodetect]
 135   --enable-vda             enable VDA code   [autodetect]
 136   --enable-vdpau           enable VDPAU code [autodetect]
 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   --enable-avisynth        enable reading of AVISynth script files [no]
 177   --enable-bzlib           enable bzlib [autodetect]
 178   --enable-fontconfig      enable fontconfig
 179   --enable-frei0r          enable frei0r video filtering
 180   --enable-gnutls          enable gnutls [no]
 181   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
 182   --enable-libass          enable libass subtitles rendering [no]
 183   --enable-libbluray       enable BluRay reading using libbluray [no]
 184   --enable-libcaca         enable textual display using libcaca
 185   --enable-libcelt         enable CELT decoding via libcelt [no]
 186   --enable-libcdio         enable audio CD grabbing with libcdio
 187   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 188                            and libraw1394 [no]
 189   --enable-libfaac         enable AAC encoding via libfaac [no]
 190   --enable-libfdk-aac      enable AAC encoding via libfdk-aac [no]
 191   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
 192   --enable-libfreetype     enable libfreetype [no]
 193   --enable-libgsm          enable GSM de/encoding via libgsm [no]
 194   --enable-libiec61883     enable iec61883 via libiec61883 [no]
 195   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
 196   --enable-libmodplug      enable ModPlug via libmodplug [no]
 197   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
 198   --enable-libnut          enable NUT (de)muxing via libnut,
 199                            native (de)muxer exists [no]
 200   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 201   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 202   --enable-libopencv       enable video filtering via libopencv [no]
 203   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
 204   --enable-libopus         enable Opus decoding via libopus [no]
 205   --enable-libpulse        enable Pulseaudio input via libpulse [no]
 206   --enable-librtmp         enable RTMP[E] support via librtmp [no]
 207   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
 208   --enable-libspeex        enable Speex de/encoding via libspeex [no]
 209   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
 210   --enable-libtheora       enable Theora encoding via libtheora [no]
 211   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
 212   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
 213   --enable-libv4l2         enable libv4l2/v4l-utils [no]
 214   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
 215   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
 216   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
 217                            native implementation exists [no]
 218   --enable-libvpx          enable VP8 de/encoding via libvpx [no]
 219   --enable-libx264         enable H.264 encoding via x264 [no]
 220   --enable-libxavs         enable AVS encoding via xavs [no]
 221   --enable-libxvid         enable Xvid encoding via xvidcore,
 222                            native MPEG-4/Xvid encoder exists [no]
 223   --enable-openal          enable OpenAL 1.1 capture support [no]
 224   --enable-openssl         enable openssl [no]
 225   --enable-zlib            enable zlib [autodetect]
 226
 227 Advanced options (experts only):
 228   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
 229   --enable-cross-compile   assume a cross-compiler is used
 230   --sysroot=PATH           root of cross-build tree
 231   --sysinclude=PATH        location of cross-build system headers
 232   --target-os=OS           compiler targets OS [$target_os]
 233   --target-exec=CMD        command to run executables on target
 234   --target-path=DIR        path to view of build directory on target
 235   --toolchain=NAME         set tool defaults according to NAME
 236   --nm=NM                  use nm tool NM [$nm_default]
 237   --ar=AR                  use archive tool AR [$ar_default]
 238   --as=AS                  use assembler AS [$as_default]
 239   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
 240   --cc=CC                  use C compiler CC [$cc_default]
 241   --cxx=CXX                use C compiler CXX [$cxx_default]
 242   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
 243   --ld=LD                  use linker LD [$ld_default]
 244   --host-cc=HOSTCC         use host C compiler HOSTCC
 245   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 246   --host-ld=HOSTLD         use host linker HOSTLD
 247   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 248   --host-libs=HLIBS        use libs HLIBS when linking for host
 249   --host-os=OS             compiler host OS [$target_os]
 250   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 251   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
 252   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
 253   --extra-libs=ELIBS       add ELIBS [$ELIBS]
 254   --extra-version=STRING   version string suffix []
 255   --optflags=OPTFLAGS      override optimization-related compiler flags
 256   --build-suffix=SUFFIX    library name suffix []
 257   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
 258   --progs-suffix=SUFFIX    program name suffix []
 259   --arch=ARCH              select architecture [$arch]
 260   --cpu=CPU                select the minimum required CPU (affects
 261                            instruction selection, may crash on older CPUs)
 262   --enable-pic             build position-independent code
 263   --enable-sram            allow use of on-chip SRAM
 264   --enable-thumb           compile for Thumb instruction set
 265   --disable-symver         disable symbol versioning
 266   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 267   --disable-safe-bitstream-reader
 268                            disable buffer boundary checking in bitreaders
 269                            (faster, but may crash)
 270   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 271
 272 Optimization options (experts only):
 273   --disable-asm            disable all assembler optimizations
 274   --disable-altivec        disable AltiVec optimizations
 275   --disable-amd3dnow       disable 3DNow! optimizations
 276   --disable-amd3dnowext    disable 3DNow! extended optimizations
 277   --disable-mmx            disable MMX optimizations
 278   --disable-mmxext         disable MMXEXT optimizations
 279   --disable-sse            disable SSE optimizations
 280   --disable-sse2           disable SSE2 optimizations
 281   --disable-sse3           disable SSE3 optimizations
 282   --disable-ssse3          disable SSSE3 optimizations
 283   --disable-sse4           disable SSE4 optimizations
 284   --disable-sse42          disable SSE4.2 optimizations
 285   --disable-avx            disable AVX optimizations
 286   --disable-fma4           disable FMA4 optimizations
 287   --disable-armv5te        disable armv5te optimizations
 288   --disable-armv6          disable armv6 optimizations
 289   --disable-armv6t2        disable armv6t2 optimizations
 290   --disable-armvfp         disable ARM VFP optimizations
 291   --disable-mmi            disable MMI optimizations
 292   --disable-neon           disable NEON optimizations
 293   --disable-vis            disable VIS optimizations
 294   --disable-inline-asm     disable use of inline assembler
 295   --disable-yasm           disable use of yasm assembler
 296   --disable-mips32r2       disable MIPS32R2 optimizations
 297   --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations
 298   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
 299   --disable-mipsfpu        disable floating point MIPS optimizations
 300   --disable-fast-unaligned consider unaligned accesses slow
 301   --postproc-version=V     build libpostproc version V.
 302                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
 303
 304 Developer options (useful when working on FFmpeg itself):
 305   --enable-coverage        build with test coverage instrumentation
 306   --disable-debug          disable debugging symbols
 307   --enable-debug=LEVEL     set the debug level [$debuglevel]
 308   --disable-optimizations  disable compiler optimizations
 309   --enable-extra-warnings  enable more compiler warnings
 310   --disable-stripping      disable stripping of executables and shared libraries
 311   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
 312                            2 causes a slowdown at runtime.
 313   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
 314   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
 315                            leaks and errors, using the specified valgrind binary.
 316                            Cannot be combined with --target-exec
 317   --samples=PATH           location of test samples for FATE, if not set use
 318                            \$FATE_SAMPLES at make invocation time.
 319   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
 320                            should be used only for debugging purposes)
 321   --enable-random          randomly enable/disable components
 322   --disable-random
 323   --enable-random=LIST     randomly enable/disable specific components or
 324   --disable-random=LIST    component groups. LIST is a comma-separated list
 325                            of NAME[:PROB] entries where NAME is a component
 326                            (group) and PROB the probability associated with
 327                            NAME (default 0.5).
 328   --random-seed=VALUE      seed value for --enable/disable-random
 329
 330 NOTE: Object files are built at the place where configure is launched.
 331 EOF
 332   exit 0
 333 }
 334
 335 quotes='""'
 336
 337 log(){
 338     echo "$@" >> $logfile
 339 }
 340
 341 log_file(){
 342     log BEGIN $1
 343     pr -n -t $1 >> $logfile
 344     log END $1
 345 }
 346
 347 echolog(){
 348     log "$@"
 349     echo "$@"
 350 }
 351
 352 warn(){
 353     log "WARNING: $*"
 354     WARNINGS="${WARNINGS}WARNING: $*\n"
 355 }
 356
 357 die(){
 358     echolog "$@"
 359     cat <<EOF
 360
 361 If you think configure made a mistake, make sure you are using the latest
 362 version from Git.  If the latest version fails, report the problem to the
 363 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 364 EOF
 365     if disabled logging; then
 366         cat <<EOF
 367 Rerun configure with logging enabled (do not use --disable-logging), and
 368 include the log this produces with your report.
 369 EOF
 370     else
 371         cat <<EOF
 372 Include the log file "$logfile" produced by configure as this will help
 373 solving the problem.
 374 EOF
 375     fi
 376     exit 1
 377 }
 378
 379 # Avoid locale weirdness, besides we really just want to translate ASCII.
 380 toupper(){
 381     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 382 }
 383
 384 tolower(){
 385     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 386 }
 387
 388 c_escape(){
 389     echo "$*" | sed 's/["\\]/\\\0/g'
 390 }
 391
 392 sh_quote(){
 393     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 394     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 395     echo "$v"
 396 }
 397
 398 cleanws(){
 399     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 400 }
 401
 402 filter(){
 403     pat=$1
 404     shift
 405     for v; do
 406         eval "case $v in $pat) echo $v ;; esac"
 407     done
 408 }
 409
 410 filter_out(){
 411     pat=$1
 412     shift
 413     for v; do
 414         eval "case $v in $pat) ;; *) echo $v ;; esac"
 415     done
 416 }
 417
 418 map(){
 419     m=$1
 420     shift
 421     for v; do eval $m; done
 422 }
 423
 424 add_suffix(){
 425     suffix=$1
 426     shift
 427     for v; do echo ${v}${suffix}; done
 428 }
 429
 430 set_all(){
 431     value=$1
 432     shift
 433     for var in $*; do
 434         eval $var=$value
 435     done
 436 }
 437
 438 set_weak(){
 439     value=$1
 440     shift
 441     for var; do
 442         eval : \${$var:=$value}
 443     done
 444 }
 445
 446 set_safe(){
 447     var=$1
 448     shift
 449     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 450 }
 451
 452 get_safe(){
 453     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 454 }
 455
 456 pushvar(){
 457     for var in $*; do
 458         eval level=\${${var}_level:=0}
 459         eval ${var}_${level}="\$$var"
 460         eval ${var}_level=$(($level+1))
 461     done
 462 }
 463
 464 popvar(){
 465     for var in $*; do
 466         eval level=\${${var}_level:-0}
 467         test $level = 0 && continue
 468         eval level=$(($level-1))
 469         eval $var="\${${var}_${level}}"
 470         eval ${var}_level=$level
 471         eval unset ${var}_${level}
 472     done
 473 }
 474
 475 enable(){
 476     set_all yes $*
 477 }
 478
 479 disable(){
 480     set_all no $*
 481 }
 482
 483 enable_weak(){
 484     set_weak yes $*
 485 }
 486
 487 disable_weak(){
 488     set_weak no $*
 489 }
 490
 491 enable_safe(){
 492     for var; do
 493         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 494     done
 495 }
 496
 497 disable_safe(){
 498     for var; do
 499         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 500     done
 501 }
 502
 503 do_enable_deep(){
 504     for var; do
 505         enabled $var && continue
 506         eval sel="\$${var}_select"
 507         eval sgs="\$${var}_suggest"
 508         pushvar var sgs
 509         enable_deep $sel
 510         popvar sgs
 511         enable_deep_weak $sgs
 512         popvar var
 513     done
 514 }
 515
 516 enable_deep(){
 517     do_enable_deep $*
 518     enable $*
 519 }
 520
 521 enable_deep_weak(){
 522     do_enable_deep $*
 523     enable_weak $*
 524 }
 525
 526 enabled(){
 527     test "${1#!}" = "$1" && op== || op=!=
 528     eval test "x\$${1#!}" $op "xyes"
 529 }
 530
 531 disabled(){
 532     test "${1#!}" = "$1" && op== || op=!=
 533     eval test "x\$${1#!}" $op "xno"
 534 }
 535
 536 enabled_all(){
 537     for opt; do
 538         enabled $opt || return 1
 539     done
 540 }
 541
 542 disabled_all(){
 543     for opt; do
 544         disabled $opt || return 1
 545     done
 546 }
 547
 548 enabled_any(){
 549     for opt; do
 550         enabled $opt && return 0
 551     done
 552 }
 553
 554 disabled_any(){
 555     for opt; do
 556         disabled $opt && return 0
 557     done
 558     return 1
 559 }
 560
 561 set_default(){
 562     for opt; do
 563         eval : \${$opt:=\$${opt}_default}
 564     done
 565 }
 566
 567 is_in(){
 568     value=$1
 569     shift
 570     for var in $*; do
 571         [ $var = $value ] && return 0
 572     done
 573     return 1
 574 }
 575
 576 check_deps(){
 577     for cfg; do
 578         cfg="${cfg#!}"
 579         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 580         disabled ${cfg}_checking && continue
 581         enable ${cfg}_checking
 582
 583         eval dep_all="\$${cfg}_deps"
 584         eval dep_any="\$${cfg}_deps_any"
 585         eval dep_sel="\$${cfg}_select"
 586         eval dep_sgs="\$${cfg}_suggest"
 587         eval dep_ifa="\$${cfg}_if"
 588         eval dep_ifn="\$${cfg}_if_any"
 589
 590         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 591         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 592         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 593
 594         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 595         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 596         enabled_all  $dep_all || disable $cfg
 597         enabled_any  $dep_any || disable $cfg
 598         disabled_any $dep_sel && disable $cfg
 599
 600         if enabled $cfg; then
 601             eval dep_extralibs="\$${cfg}_extralibs"
 602             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 603             enable_deep $dep_sel
 604             enable_deep_weak $dep_sgs
 605         fi
 606
 607         disable ${cfg}_checking
 608     done
 609 }
 610
 611 print_config_h(){
 612     enabled $1 && v=1 || v=0
 613     echo "#define $2 $v"
 614 }
 615
 616 print_config_mak(){
 617     enabled $1 && v= || v=!
 618     echo "$v$2=yes"
 619 }
 620
 621 print_config_asm(){
 622     enabled $1 && v=1 || v=0
 623     echo "%define $2 $v"
 624 }
 625
 626 print_config(){
 627     pfx=$1
 628     files=$2
 629     shift 2
 630     for cfg; do
 631         ucname="$(toupper $cfg)"
 632         for f in $files; do
 633             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 634         done
 635     done
 636 }
 637
 638 print_enabled(){
 639     test "$1" = -n && end=" " && shift || end="\n"
 640     suf=$1
 641     shift
 642     for v; do
 643         enabled $v && printf "%s$end" ${v%$suf};
 644     done
 645 }
 646
 647 append(){
 648     var=$1
 649     shift
 650     eval "$var=\"\$$var $*\""
 651 }
 652
 653 prepend(){
 654     var=$1
 655     shift
 656     eval "$var=\"$* \$$var\""
 657 }
 658
 659 add_cppflags(){
 660     append CPPFLAGS "$@"
 661 }
 662
 663 add_cflags(){
 664     append CFLAGS $($cflags_filter "$@")
 665 }
 666
 667 add_cxxflags(){
 668     append CXXFLAGS $($cflags_filter "$@")
 669 }
 670
 671 add_asflags(){
 672     append ASFLAGS $($asflags_filter "$@")
 673 }
 674
 675 add_ldflags(){
 676     append LDFLAGS $($ldflags_filter "$@")
 677 }
 678
 679 add_extralibs(){
 680     prepend extralibs $($ldflags_filter "$@")
 681 }
 682
 683 add_host_cflags(){
 684     append host_cflags $($host_cflags_filter "$@")
 685 }
 686
 687 add_host_ldflags(){
 688     append host_ldflags $($host_ldflags_filter "$@")
 689 }
 690
 691 check_cmd(){
 692     log "$@"
 693     "$@" >> $logfile 2>&1
 694 }
 695
 696 cc_o(){
 697     eval printf '%s\\n' $CC_O
 698 }
 699
 700 cc_e(){
 701     eval printf '%s\\n' $CC_E
 702 }
 703
 704 check_cc(){
 705     log check_cc "$@"
 706     cat > $TMPC
 707     log_file $TMPC
 708     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
 709 }
 710
 711 check_cxx(){
 712     log check_cxx "$@"
 713     cat > $TMPCPP
 714     log_file $TMPCPP
 715     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
 716 }
 717
 718 check_cpp(){
 719     log check_cpp "$@"
 720     cat > $TMPC
 721     log_file $TMPC
 722     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
 723 }
 724
 725 as_o(){
 726     eval printf '%s\\n' $AS_O
 727 }
 728
 729 check_as(){
 730     log check_as "$@"
 731     cat > $TMPC
 732     log_file $TMPC
 733     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPC
 734 }
 735
 736 check_inline_asm(){
 737     log check_inline_asm "$@"
 738     name="$1"
 739     code="$2"
 740     shift 2
 741     disable $name
 742     check_as "$@" <<EOF && enable $name
 743 void foo(void){ __asm__ volatile($code); }
 744 EOF
 745 }
 746
 747 check_yasm(){
 748     log check_yasm "$@"
 749     echo "$1" > $TMPS
 750     log_file $TMPS
 751     shift 1
 752     check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
 753 }
 754
 755 ld_o(){
 756     eval printf '%s\\n' $LD_O
 757 }
 758
 759 check_ld(){
 760     log check_ld "$@"
 761     type=$1
 762     shift 1
 763     flags=''
 764     libs=''
 765     for f; do
 766         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 767     done
 768     check_$type $($cflags_filter $flags) || return
 769     flags=$($ldflags_filter $flags)
 770     libs=$($ldflags_filter $libs)
 771     check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
 772 }
 773
 774 check_code(){
 775     log check_code "$@"
 776     check=$1
 777     headers=$2
 778     code=$3
 779     shift 3
 780     {
 781         for hdr in $headers; do
 782             echo "#include <$hdr>"
 783         done
 784         echo "int main(void) { $code; return 0; }"
 785     } | check_$check "$@"
 786 }
 787
 788 check_cppflags(){
 789     log check_cppflags "$@"
 790     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 791 int x;
 792 EOF
 793 }
 794
 795 check_cflags(){
 796     log check_cflags "$@"
 797     set -- $($cflags_filter "$@")
 798     check_cc "$@" <<EOF && append CFLAGS "$@"
 799 int x;
 800 EOF
 801 }
 802
 803 check_cxxflags(){
 804     log check_cxxflags "$@"
 805     set -- $($cflags_filter "$@")
 806     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 807 int x;
 808 EOF
 809 }
 810
 811 test_ldflags(){
 812     log test_ldflags "$@"
 813     check_ld "cc" "$@" <<EOF
 814 int main(void){ return 0; }
 815 EOF
 816 }
 817
 818 check_ldflags(){
 819     log check_ldflags "$@"
 820     test_ldflags "$@" && add_ldflags "$@"
 821 }
 822
 823 check_header(){
 824     log check_header "$@"
 825     header=$1
 826     shift
 827     disable_safe $header
 828     check_cpp "$@" <<EOF && enable_safe $header
 829 #include <$header>
 830 int x;
 831 EOF
 832 }
 833
 834 check_func(){
 835     log check_func "$@"
 836     func=$1
 837     shift
 838     disable $func
 839     check_ld "cc" "$@" <<EOF && enable $func
 840 extern int $func();
 841 int main(void){ $func(); }
 842 EOF
 843 }
 844
 845 check_mathfunc(){
 846     log check_mathfunc "$@"
 847     func=$1
 848     shift
 849     disable $func
 850     check_ld "cc" "$@" <<EOF && enable $func
 851 #include <math.h>
 852 float foo(float f) { return $func(f); }
 853 int main(void){ return (int) foo; }
 854 EOF
 855 }
 856
 857 check_func_headers(){
 858     log check_func_headers "$@"
 859     headers=$1
 860     funcs=$2
 861     shift 2
 862     {
 863         for hdr in $headers; do
 864             echo "#include <$hdr>"
 865         done
 866         for func in $funcs; do
 867             echo "long check_$func(void) { return (long) $func; }"
 868         done
 869         echo "int main(void) { return 0; }"
 870     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 871 }
 872
 873 check_class_headers_cpp(){
 874     log check_class_headers_cpp "$@"
 875     headers=$1
 876     classes=$2
 877     shift 2
 878     {
 879         for hdr in $headers; do
 880             echo "#include <$hdr>"
 881         done
 882         echo "int main(void) { "
 883         i=1
 884         for class in $classes; do
 885             echo "$class obj$i;"
 886             i=$(expr $i + 1)
 887         done
 888         echo "return 0; }"
 889     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 890 }
 891
 892 check_cpp_condition(){
 893     log check_cpp_condition "$@"
 894     header=$1
 895     condition=$2
 896     shift 2
 897     check_cpp "$@" <<EOF
 898 #include <$header>
 899 #if !($condition)
 900 #error "unsatisfied condition: $condition"
 901 #endif
 902 EOF
 903 }
 904
 905 check_lib(){
 906     log check_lib "$@"
 907     header="$1"
 908     func="$2"
 909     shift 2
 910     check_header $header && check_func $func "$@" && add_extralibs "$@"
 911 }
 912
 913 check_lib2(){
 914     log check_lib2 "$@"
 915     headers="$1"
 916     funcs="$2"
 917     shift 2
 918     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 919 }
 920
 921 check_lib_cpp(){
 922     log check_lib_cpp "$@"
 923     headers="$1"
 924     classes="$2"
 925     shift 2
 926     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 927 }
 928
 929 check_pkg_config(){
 930     log check_pkg_config "$@"
 931     pkg="$1"
 932     headers="$2"
 933     funcs="$3"
 934     shift 3
 935     $pkg_config --exists $pkg 2>/dev/null || return
 936     pkg_cflags=$($pkg_config --cflags $pkg)
 937     pkg_libs=$($pkg_config --libs $pkg)
 938     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 939         set_safe ${pkg}_cflags $pkg_cflags   &&
 940         set_safe ${pkg}_libs   $pkg_libs
 941 }
 942
 943 check_exec(){
 944     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 945 }
 946
 947 check_exec_crash(){
 948     code=$(cat)
 949
 950     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 951     # are safe but may not be available everywhere.  Thus we use
 952     # raise(SIGTERM) instead.  The check is run in a subshell so we
 953     # can redirect the "Terminated" message from the shell.  SIGBUS
 954     # is not defined by standard C so it is used conditionally.
 955
 956     (check_exec "$@") >> $logfile 2>&1 <<EOF
 957 #include <signal.h>
 958 static void sighandler(int sig){
 959     raise(SIGTERM);
 960 }
 961 int func(void){
 962     $code
 963 }
 964 int (*func_ptr)(void) = func;
 965 int main(void){
 966     signal(SIGILL, sighandler);
 967     signal(SIGFPE, sighandler);
 968     signal(SIGSEGV, sighandler);
 969 #ifdef SIGBUS
 970     signal(SIGBUS, sighandler);
 971 #endif
 972     return func_ptr();
 973 }
 974 EOF
 975 }
 976
 977 check_type(){
 978     log check_type "$@"
 979     headers=$1
 980     type=$2
 981     shift 2
 982     disable_safe "$type"
 983     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
 984 }
 985
 986 check_struct(){
 987     log check_type "$@"
 988     headers=$1
 989     struct=$2
 990     member=$3
 991     shift 3
 992     disable_safe "${struct}_${member}"
 993     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
 994         enable_safe "${struct}_${member}"
 995 }
 996
 997 require(){
 998     name="$1"
 999     header="$2"
1000     func="$3"
1001     shift 3
1002     check_lib $header $func "$@" || die "ERROR: $name not found"
1003 }
1004
1005 require2(){
1006     name="$1"
1007     headers="$2"
1008     func="$3"
1009     shift 3
1010     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1011 }
1012
1013 require_cpp(){
1014     name="$1"
1015     headers="$2"
1016     classes="$3"
1017     shift 3
1018     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1019 }
1020
1021 require_pkg_config(){
1022     pkg="$1"
1023     check_pkg_config "$@" || die "ERROR: $pkg not found"
1024     add_cflags    $(get_safe ${pkg}_cflags)
1025     add_extralibs $(get_safe ${pkg}_libs)
1026 }
1027
1028 hostcc_o(){
1029     eval printf '%s\\n' $HOSTCC_O
1030 }
1031
1032 check_host_cc(){
1033     log check_host_cc "$@"
1034     cat > $TMPC
1035     log_file $TMPC
1036     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1037 }
1038
1039 check_host_cflags(){
1040     log check_host_cflags "$@"
1041     set -- $($host_cflags_filter "$@")
1042     check_host_cc "$@" <<EOF && append host_cflags "$@"
1043 int x;
1044 EOF
1045 }
1046
1047 apply(){
1048     file=$1
1049     shift
1050     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1051 }
1052
1053 cp_if_changed(){
1054     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1055     mkdir -p "$(dirname $2)"
1056     cp -f "$1" "$2"
1057 }
1058
1059 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1060 # system-dependent things.
1061
1062 COMPONENT_LIST="
1063     bsfs
1064     decoders
1065     demuxers
1066     encoders
1067     filters
1068     hwaccels
1069     indevs
1070     muxers
1071     outdevs
1072     parsers
1073     protocols
1074 "
1075
1076 DOCUMENT_LIST="
1077     doc
1078     htmlpages
1079     manpages
1080     podpages
1081     txtpages
1082 "
1083
1084 PROGRAM_LIST="
1085     ffplay
1086     ffprobe
1087     ffserver
1088     ffmpeg
1089 "
1090
1091 CONFIG_LIST="
1092     $COMPONENT_LIST
1093     $DOCUMENT_LIST
1094     $PROGRAM_LIST
1095     avcodec
1096     avdevice
1097     avfilter
1098     avformat
1099     avresample
1100     avisynth
1101     bzlib
1102     crystalhd
1103     dct
1104     dwt
1105     dxva2
1106     fast_unaligned
1107     fft
1108     fontconfig
1109     frei0r
1110     gnutls
1111     gpl
1112     gray
1113     hardcoded_tables
1114     incompatible_fork_abi
1115     libaacplus
1116     libass
1117     libbluray
1118     libcaca
1119     libcdio
1120     libcelt
1121     libdc1394
1122     libfaac
1123     libfdk_aac
1124     libflite
1125     libfreetype
1126     libgsm
1127     libiec61883
1128     libilbc
1129     libmodplug
1130     libmp3lame
1131     libnut
1132     libopencore_amrnb
1133     libopencore_amrwb
1134     libopencv
1135     libopenjpeg
1136     libopus
1137     libpulse
1138     librtmp
1139     libschroedinger
1140     libspeex
1141     libstagefright_h264
1142     libtheora
1143     libtwolame
1144     libutvideo
1145     libv4l2
1146     libvo_aacenc
1147     libvo_amrwbenc
1148     libvorbis
1149     libvpx
1150     libx264
1151     libxavs
1152     libxvid
1153     lsp
1154     mdct
1155     memalign_hack
1156     memory_poisoning
1157     network
1158     nonfree
1159     openal
1160     openssl
1161     pic
1162     postproc
1163     rdft
1164     runtime_cpudetect
1165     safe_bitstream_reader
1166     shared
1167     small
1168     sram
1169     static
1170     swresample
1171     swscale
1172     swscale_alpha
1173     thumb
1174     vaapi
1175     vda
1176     vdpau
1177     version3
1178     xmm_clobber_test
1179     x11grab
1180     zlib
1181 "
1182
1183 THREADS_LIST='
1184     pthreads
1185     w32threads
1186     os2threads
1187 '
1188
1189 ARCH_LIST='
1190     alpha
1191     arm
1192     avr32
1193     avr32_ap
1194     avr32_uc
1195     bfin
1196     ia64
1197     m68k
1198     mips
1199     mips64
1200     parisc
1201     ppc
1202     ppc64
1203     s390
1204     sh4
1205     sparc
1206     sparc64
1207     tomi
1208     x86
1209     x86_32
1210     x86_64
1211 '
1212
1213 ARCH_EXT_LIST_X86='
1214     amd3dnow
1215     amd3dnowext
1216     avx
1217     fma4
1218     mmx
1219     mmxext
1220     sse
1221     sse2
1222     sse3
1223     sse4
1224     sse42
1225     ssse3
1226 '
1227
1228 ARCH_EXT_LIST="
1229     $ARCH_EXT_LIST_X86
1230     altivec
1231     armv5te
1232     armv6
1233     armv6t2
1234     armvfp
1235     mmi
1236     neon
1237     ppc4xx
1238     vfpv3
1239     vis
1240     mipsfpu
1241     mips32r2
1242     mipsdspr1
1243     mipsdspr2
1244 "
1245
1246 HAVE_LIST_CMDLINE='
1247     inline_asm
1248     symver
1249     yasm
1250 '
1251
1252 HAVE_LIST_PUB='
1253     bigendian
1254     fast_unaligned
1255     incompatible_fork_abi
1256 '
1257
1258 HAVE_LIST="
1259     $ARCH_EXT_LIST
1260     $(add_suffix _external $ARCH_EXT_LIST)
1261     $(add_suffix _inline   $ARCH_EXT_LIST)
1262     $HAVE_LIST_CMDLINE
1263     $HAVE_LIST_PUB
1264     $THREADS_LIST
1265     aligned_malloc
1266     aligned_stack
1267     alsa_asoundlib_h
1268     altivec_h
1269     arpa_inet_h
1270     asm_mod_q
1271     asm_mod_y
1272     asm_types_h
1273     attribute_may_alias
1274     attribute_packed
1275     broken_snprintf
1276     cbrtf
1277     clock_gettime
1278     closesocket
1279     cmov
1280     cpuid
1281     cpunop
1282     dcbzl
1283     dev_bktr_ioctl_bt848_h
1284     dev_bktr_ioctl_meteor_h
1285     dev_ic_bt8xx_h
1286     dev_video_bktr_ioctl_bt848_h
1287     dev_video_meteor_ioctl_meteor_h
1288     direct_h
1289     dlfcn_h
1290     dlopen
1291     dos_paths
1292     dxva_h
1293     ebp_available
1294     ebx_available
1295     exp2
1296     exp2f
1297     fast_64bit
1298     fast_clz
1299     fast_cmov
1300     fcntl
1301     fork
1302     getaddrinfo
1303     gethrtime
1304     getopt
1305     GetProcessAffinityMask
1306     GetProcessMemoryInfo
1307     GetProcessTimes
1308     GetSystemTimeAsFileTime
1309     getrusage
1310     gettimeofday
1311     glob
1312     gnu_as
1313     ibm_asm
1314     inet_aton
1315     io_h
1316     isatty
1317     isinf
1318     isnan
1319     jack_port_get_latency_range
1320     kbhit
1321     ldbrx
1322     libdc1394_1
1323     libdc1394_2
1324     llrint
1325     llrintf
1326     local_aligned_16
1327     local_aligned_8
1328     localtime_r
1329     log2
1330     log2f
1331     loongson
1332     lrint
1333     lrintf
1334     lzo1x_999_compress
1335     machine_ioctl_bt848_h
1336     machine_ioctl_meteor_h
1337     makeinfo
1338     malloc_h
1339     MapViewOfFile
1340     memalign
1341     mkstemp
1342     mm_empty
1343     mmap
1344     msvcrt
1345     nanosleep
1346     PeekNamedPipe
1347     perl
1348     pod2man
1349     poll_h
1350     posix_memalign
1351     pthread_cancel
1352     rdtsc
1353     rint
1354     round
1355     roundf
1356     rweflags
1357     sched_getaffinity
1358     sdl
1359     sdl_video_size
1360     setmode
1361     setrlimit
1362     Sleep
1363     sndio_h
1364     socklen_t
1365     soundcard_h
1366     strerror_r
1367     struct_addrinfo
1368     struct_group_source_req
1369     struct_ip_mreq_source
1370     struct_ipv6_mreq
1371     struct_pollfd
1372     struct_rusage_ru_maxrss
1373     struct_sctp_event_subscribe
1374     struct_sockaddr_in6
1375     struct_sockaddr_sa_len
1376     struct_sockaddr_storage
1377     struct_v4l2_frmivalenum_discrete
1378     symver_asm_label
1379     symver_gnu_asm
1380     sysconf
1381     sysctl
1382     sys_mman_h
1383     sys_param_h
1384     sys_resource_h
1385     sys_select_h
1386     sys_soundcard_h
1387     sys_time_h
1388     sys_videoio_h
1389     termios_h
1390     texi2html
1391     threads
1392     trunc
1393     truncf
1394     unistd_h
1395     usleep
1396     vfp_args
1397     VirtualAlloc
1398     windows_h
1399     winsock2_h
1400     xform_asm
1401     xgetbv
1402     xmm_clobbers
1403 "
1404
1405 # options emitted with CONFIG_ prefix but not available on command line
1406 CONFIG_EXTRA="
1407     aandcttables
1408     ac3dsp
1409     avutil
1410     error_resilience
1411     gcrypt
1412     golomb
1413     gplv3
1414     h264chroma
1415     h264dsp
1416     h264pred
1417     h264qpel
1418     huffman
1419     lgplv3
1420     lpc
1421     mpegaudiodsp
1422     mpegvideo
1423     mpegvideoenc
1424     nettle
1425     rangecoder
1426     rtpdec
1427     sinewin
1428     vp3dsp
1429 "
1430
1431 CMDLINE_SELECT="
1432     $ARCH_EXT_LIST
1433     $CONFIG_LIST
1434     $HAVE_LIST_CMDLINE
1435     $THREADS_LIST
1436     asm
1437     coverage
1438     cross_compile
1439     debug
1440     extra_warnings
1441     logging
1442     optimizations
1443     stripping
1444 "
1445
1446 PATHS_LIST='
1447     bindir
1448     datadir
1449     incdir
1450     libdir
1451     mandir
1452     prefix
1453     shlibdir
1454 '
1455
1456 CMDLINE_SET="
1457     $PATHS_LIST
1458     ar
1459     arch
1460     as
1461     assert_level
1462     build_suffix
1463     cc
1464     cpu
1465     cross_prefix
1466     cxx
1467     dep_cc
1468     extra_version
1469     host_cc
1470     host_cflags
1471     host_ld
1472     host_ldflags
1473     host_libs
1474     host_os
1475     install
1476     ld
1477     logfile
1478     malloc_prefix
1479     nm
1480     optflags
1481     pkg_config
1482     postproc_version
1483     progs_suffix
1484     random_seed
1485     samples
1486     strip
1487     sysinclude
1488     sysroot
1489     target_exec
1490     target_os
1491     target_path
1492     toolchain
1493     valgrind
1494     yasmexe
1495 "
1496
1497 CMDLINE_APPEND="
1498     extra_cflags
1499     extra_cxxflags
1500 "
1501
1502 # code dependency declarations
1503
1504 # architecture extensions
1505
1506 armv5te_deps="arm"
1507 armv6_deps="arm"
1508 armv6t2_deps="arm"
1509 armvfp_deps="arm"
1510 neon_deps="arm"
1511 vfpv3_deps="armvfp"
1512
1513 mipsfpu_deps="mips"
1514 mips32r2_deps="mips"
1515 mipsdspr1_deps="mips"
1516 mipsdspr2_deps="mips"
1517 mmi_deps="mips"
1518
1519 altivec_deps="ppc"
1520 ppc4xx_deps="ppc"
1521
1522 vis_deps="sparc"
1523
1524 x86_64_suggest="cmov fast_cmov"
1525
1526 amd3dnow_deps="mmx"
1527 amd3dnowext_deps="amd3dnow"
1528 mmx_deps="x86"
1529 mmxext_deps="mmx"
1530 sse_deps="mmxext"
1531 sse2_deps="sse"
1532 sse3_deps="sse2"
1533 ssse3_deps="sse3"
1534 sse4_deps="ssse3"
1535 sse42_deps="sse4"
1536 avx_deps="sse42"
1537 fma4_deps="avx"
1538
1539 mmx_external_deps="yasm"
1540 mmx_inline_deps="inline_asm"
1541 mmx_suggest="mmx_external mmx_inline"
1542
1543 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1544     eval dep=\$${ext}_deps
1545     eval ${ext}_external_deps='"${dep}_external"'
1546     eval ${ext}_inline_deps='"${dep}_inline"'
1547     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1548 done
1549
1550 aligned_stack_if_any="ppc x86"
1551 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1552 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1553 fast_unaligned_if_any="armv6 ppc x86"
1554
1555 inline_asm_deps="!tms470"
1556 need_memalign="altivec neon sse"
1557
1558 symver_if_any="symver_asm_label symver_gnu_asm"
1559
1560 log2_deps="!msvcrt"
1561
1562 # subsystems
1563 dct_select="rdft"
1564 mdct_select="fft"
1565 rdft_select="fft"
1566 mpegaudiodsp_select="dct"
1567 mpegvideoenc_select="mpegvideo"
1568
1569 # decoders / encoders / hardware accelerators
1570 aac_decoder_select="mdct sinewin"
1571 aac_encoder_select="mdct sinewin"
1572 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1573 ac3_decoder_select="mdct ac3dsp ac3_parser"
1574 ac3_encoder_select="mdct ac3dsp"
1575 ac3_fixed_encoder_select="mdct ac3dsp"
1576 alac_encoder_select="lpc"
1577 amrnb_decoder_select="lsp"
1578 amrwb_decoder_select="lsp"
1579 amv_encoder_select="aandcttables"
1580 atrac1_decoder_select="mdct sinewin"
1581 atrac3_decoder_select="mdct"
1582 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1583 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1584 cavs_decoder_select="golomb mpegvideo"
1585 cook_decoder_select="mdct sinewin"
1586 cscd_decoder_suggest="zlib"
1587 dca_decoder_select="mdct"
1588 dirac_decoder_select="dwt golomb"
1589 dnxhd_encoder_select="aandcttables mpegvideoenc"
1590 dxa_decoder_select="zlib"
1591 eac3_decoder_select="ac3_decoder"
1592 eac3_encoder_select="ac3_encoder"
1593 eamad_decoder_select="aandcttables error_resilience mpegvideo"
1594 eatgq_decoder_select="aandcttables"
1595 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1596 exr_decoder_select="zlib"
1597 ffv1_decoder_select="golomb rangecoder"
1598 ffv1_encoder_select="rangecoder"
1599 ffvhuff_encoder_select="huffman"
1600 flac_decoder_select="golomb"
1601 flac_encoder_select="golomb lpc"
1602 flashsv_decoder_select="zlib"
1603 flashsv_encoder_select="zlib"
1604 flashsv2_encoder_select="zlib"
1605 flashsv2_decoder_select="zlib"
1606 flv_decoder_select="h263_decoder"
1607 flv_encoder_select="h263_encoder"
1608 fraps_decoder_select="huffman"
1609 h261_decoder_select="error_resilience mpegvideo"
1610 h261_encoder_select="aandcttables mpegvideoenc"
1611 h263_decoder_select="error_resilience h263_parser mpegvideo"
1612 h263_encoder_select="aandcttables error_resilience mpegvideoenc"
1613 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1614 h263i_decoder_select="h263_decoder"
1615 h263p_encoder_select="h263_encoder"
1616 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1617 h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1618 h264_dxva2_hwaccel_deps="dxva2api_h"
1619 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1620 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1621 h264_vda_decoder_select="vda h264_parser h264_decoder"
1622 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1623 h264_vda_hwaccel_select="vda h264_decoder"
1624 h264_vdpau_decoder_select="vdpau h264_decoder"
1625 huffyuv_encoder_select="huffman"
1626 iac_decoder_select="fft mdct sinewin"
1627 imc_decoder_select="fft mdct sinewin"
1628 jpegls_decoder_select="golomb"
1629 jpegls_encoder_select="golomb"
1630 ljpeg_encoder_select="aandcttables mpegvideoenc"
1631 loco_decoder_select="golomb"
1632 mdec_decoder_select="error_resilience mpegvideo"
1633 mjpeg_encoder_select="aandcttables mpegvideoenc"
1634 mlp_decoder_select="mlp_parser"
1635 mp1_decoder_select="mpegaudiodsp"
1636 mp1float_decoder_select="mpegaudiodsp"
1637 mp2_decoder_select="mpegaudiodsp"
1638 mp2float_decoder_select="mpegaudiodsp"
1639 mp3_decoder_select="mpegaudiodsp"
1640 mp3adu_decoder_select="mpegaudiodsp"
1641 mp3adufloat_decoder_select="mpegaudiodsp"
1642 mp3float_decoder_select="mpegaudiodsp"
1643 mp3on4_decoder_select="mpegaudiodsp"
1644 mp3on4float_decoder_select="mpegaudiodsp"
1645 mpc7_decoder_select="mpegaudiodsp"
1646 mpc8_decoder_select="mpegaudiodsp"
1647 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1648 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1649 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1650 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1651 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1652 mpeg1video_decoder_select="error_resilience mpegvideo"
1653 mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
1654 mpeg2_crystalhd_decoder_select="crystalhd"
1655 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1656 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1657 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1658 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1659 mpeg2video_decoder_select="error_resilience mpegvideo"
1660 mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
1661 mpeg4_crystalhd_decoder_select="crystalhd"
1662 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1663 mpeg4_encoder_select="h263_encoder"
1664 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1665 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1666 msmpeg4_crystalhd_decoder_select="crystalhd"
1667 msmpeg4v1_decoder_select="h263_decoder"
1668 msmpeg4v1_encoder_select="h263_encoder"
1669 msmpeg4v2_decoder_select="h263_decoder"
1670 msmpeg4v2_encoder_select="h263_encoder"
1671 msmpeg4v3_decoder_select="h263_decoder"
1672 msmpeg4v3_encoder_select="h263_encoder"
1673 mss2_decoder_select="vc1_decoder"
1674 nellymoser_decoder_select="mdct sinewin"
1675 nellymoser_encoder_select="mdct sinewin"
1676 png_decoder_select="zlib"
1677 png_encoder_select="zlib"
1678 qcelp_decoder_select="lsp"
1679 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1680 ra_144_encoder_select="lpc"
1681 ralf_decoder_select="golomb"
1682 rv10_decoder_select="h263_decoder"
1683 rv10_encoder_select="h263_encoder"
1684 rv20_decoder_select="h263_decoder"
1685 rv20_encoder_select="h263_encoder"
1686 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1687 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1688 shorten_decoder_select="golomb"
1689 sipr_decoder_select="lsp"
1690 snow_decoder_select="dwt rangecoder"
1691 snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1692 sonic_decoder_select="golomb"
1693 sonic_encoder_select="golomb"
1694 sonic_ls_encoder_select="golomb"
1695 svq1_decoder_select="error_resilience mpegvideo"
1696 svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1697 svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1698 svq3_decoder_suggest="zlib"
1699 theora_decoder_select="vp3_decoder"
1700 tiff_decoder_suggest="zlib"
1701 tiff_encoder_suggest="zlib"
1702 truehd_decoder_select="mlp_parser"
1703 tscc_decoder_select="zlib"
1704 twinvq_decoder_select="mdct lsp sinewin"
1705 utvideo_encoder_select="huffman"
1706 vc1_crystalhd_decoder_select="crystalhd"
1707 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1708 vc1_dxva2_hwaccel_deps="dxva2api_h"
1709 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1710 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1711 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1712 vc1image_decoder_select="vc1_decoder"
1713 vorbis_decoder_select="mdct"
1714 vorbis_encoder_select="mdct"
1715 vp3_decoder_select="vp3dsp"
1716 vp5_decoder_select="vp3dsp"
1717 vp6_decoder_select="huffman vp3dsp"
1718 vp6a_decoder_select="vp6_decoder"
1719 vp6f_decoder_select="vp6_decoder"
1720 vp8_decoder_select="h264pred h264qpel"
1721 wmapro_decoder_select="mdct sinewin"
1722 wmav1_decoder_select="mdct sinewin"
1723 wmav1_encoder_select="mdct sinewin"
1724 wmav2_decoder_select="mdct sinewin"
1725 wmav2_encoder_select="mdct sinewin"
1726 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1727 wmv1_decoder_select="h263_decoder"
1728 wmv1_encoder_select="h263_encoder"
1729 wmv2_decoder_select="h263_decoder"
1730 wmv2_encoder_select="h263_encoder"
1731 wmv3_decoder_select="vc1_decoder"
1732 wmv3_crystalhd_decoder_select="crystalhd"
1733 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1734 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1735 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1736 wmv3image_decoder_select="wmv3_decoder"
1737 zerocodec_decoder_select="zlib"
1738 zlib_decoder_select="zlib"
1739 zlib_encoder_select="zlib"
1740 zmbv_decoder_select="zlib"
1741 zmbv_encoder_select="zlib"
1742
1743 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1744 vaapi_deps="va_va_h"
1745 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1746 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1747
1748 # parsers
1749 h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1750 mpeg4video_parser_select="error_resilience mpegvideo"
1751 mpegvideo_parser_select="error_resilience mpegvideo"
1752 vc1_parser_select="error_resilience mpegvideo"
1753
1754 # external libraries
1755 libaacplus_encoder_deps="libaacplus"
1756 libcelt_decoder_deps="libcelt"
1757 libfaac_encoder_deps="libfaac"
1758 libfdk_aac_encoder_deps="libfdk_aac"
1759 libgsm_decoder_deps="libgsm"
1760 libgsm_encoder_deps="libgsm"
1761 libgsm_ms_decoder_deps="libgsm"
1762 libgsm_ms_encoder_deps="libgsm"
1763 libilbc_decoder_deps="libilbc"
1764 libilbc_encoder_deps="libilbc"
1765 libmodplug_demuxer_deps="libmodplug"
1766 libmp3lame_encoder_deps="libmp3lame"
1767 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1768 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1769 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1770 libopenjpeg_decoder_deps="libopenjpeg"
1771 libopenjpeg_encoder_deps="libopenjpeg"
1772 libopus_decoder_deps="libopus"
1773 libopus_encoder_deps="libopus"
1774 libschroedinger_decoder_deps="libschroedinger"
1775 libschroedinger_encoder_deps="libschroedinger"
1776 libspeex_decoder_deps="libspeex"
1777 libspeex_encoder_deps="libspeex"
1778 libstagefright_h264_decoder_deps="libstagefright_h264"
1779 libtheora_encoder_deps="libtheora"
1780 libtwolame_encoder_deps="libtwolame"
1781 libvo_aacenc_encoder_deps="libvo_aacenc"
1782 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1783 libvorbis_decoder_deps="libvorbis"
1784 libvorbis_encoder_deps="libvorbis"
1785 libvpx_decoder_deps="libvpx"
1786 libvpx_encoder_deps="libvpx"
1787 libx264_encoder_deps="libx264"
1788 libx264rgb_encoder_deps="libx264"
1789 libxavs_encoder_deps="libxavs"
1790 libxvid_encoder_deps="libxvid"
1791 libutvideo_decoder_deps="libutvideo"
1792 libutvideo_encoder_deps="libutvideo"
1793
1794 # demuxers / muxers
1795 ac3_demuxer_select="ac3_parser"
1796 asf_stream_muxer_select="asf_muxer"
1797 avisynth_demuxer_deps="avisynth"
1798 dirac_demuxer_select="dirac_parser"
1799 eac3_demuxer_select="ac3_parser"
1800 f4v_muxer_select="mov_muxer"
1801 flac_demuxer_select="flac_parser"
1802 ipod_muxer_select="mov_muxer"
1803 libnut_demuxer_deps="libnut"
1804 libnut_muxer_deps="libnut"
1805 matroska_audio_muxer_select="matroska_muxer"
1806 matroska_demuxer_suggest="zlib bzlib"
1807 mov_demuxer_suggest="zlib"
1808 mp3_demuxer_select="mpegaudio_parser"
1809 mp4_muxer_select="mov_muxer"
1810 mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1811 mpegtsraw_demuxer_select="mpegts_demuxer"
1812 mxf_d10_muxer_select="mxf_muxer"
1813 ogg_demuxer_select="golomb"
1814 psp_muxer_select="mov_muxer"
1815 rtp_demuxer_select="sdp_demuxer"
1816 rtp_muxer_select="mpegvideo"
1817 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1818 rtsp_demuxer_select="http_protocol rtpdec"
1819 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1820 sap_demuxer_select="sdp_demuxer"
1821 sap_muxer_select="rtp_muxer rtp_protocol"
1822 sdp_demuxer_select="rtpdec"
1823 smoothstreaming_muxer_select="ismv_muxer"
1824 spdif_muxer_select="aac_parser"
1825 tg2_muxer_select="mov_muxer"
1826 tgp_muxer_select="mov_muxer"
1827 w64_demuxer_deps="wav_demuxer"
1828
1829 # indevs / outdevs
1830 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1831 alsa_outdev_deps="alsa_asoundlib_h"
1832 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1833 caca_outdev_deps="libcaca"
1834 dshow_indev_deps="IBaseFilter"
1835 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1836 dv1394_indev_deps="dv1394 dv_demuxer"
1837 fbdev_indev_deps="linux_fb_h"
1838 iec61883_indev_deps="libiec61883"
1839 jack_indev_deps="jack_jack_h sem_timedwait"
1840 lavfi_indev_deps="avfilter"
1841 libcdio_indev_deps="libcdio"
1842 libdc1394_indev_deps="libdc1394"
1843 libv4l2_indev_deps="libv4l2"
1844 openal_indev_deps="openal"
1845 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1846 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1847 pulse_indev_deps="libpulse"
1848 sdl_outdev_deps="sdl"
1849 sndio_indev_deps="sndio_h"
1850 sndio_outdev_deps="sndio_h"
1851 v4l_indev_deps="linux_videodev_h"
1852 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1853 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1854 vfwcap_indev_extralibs="-lavicap32"
1855 x11grab_indev_deps="x11grab"
1856
1857 # protocols
1858 bluray_protocol_deps="libbluray"
1859 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1860 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1861 ffrtmpcrypt_protocol_select="tcp_protocol"
1862 ffrtmphttp_protocol_deps="!librtmp_protocol"
1863 ffrtmphttp_protocol_select="http_protocol"
1864 gopher_protocol_deps="network"
1865 httpproxy_protocol_deps="network"
1866 httpproxy_protocol_select="tcp_protocol"
1867 http_protocol_deps="network"
1868 http_protocol_select="tcp_protocol"
1869 https_protocol_select="tls_protocol"
1870 librtmp_protocol_deps="librtmp"
1871 librtmpe_protocol_deps="librtmp"
1872 librtmps_protocol_deps="librtmp"
1873 librtmpt_protocol_deps="librtmp"
1874 librtmpte_protocol_deps="librtmp"
1875 mmsh_protocol_select="http_protocol"
1876 mmst_protocol_deps="network"
1877 rtmp_protocol_deps="!librtmp_protocol"
1878 rtmp_protocol_select="tcp_protocol"
1879 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1880 rtmps_protocol_deps="!librtmp_protocol"
1881 rtmps_protocol_select="tls_protocol"
1882 rtmpt_protocol_select="ffrtmphttp_protocol"
1883 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1884 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1885 rtp_protocol_select="udp_protocol"
1886 sctp_protocol_deps="network struct_sctp_event_subscribe"
1887 tcp_protocol_deps="network"
1888 tls_protocol_deps_any="openssl gnutls"
1889 tls_protocol_select="tcp_protocol"
1890 udp_protocol_deps="network"
1891
1892 # filters
1893 aconvert_filter_deps="swresample"
1894 amovie_filter_deps="avcodec avformat"
1895 aresample_filter_deps="swresample"
1896 ass_filter_deps="libass"
1897 asyncts_filter_deps="avresample"
1898 atempo_filter_deps="avcodec rdft"
1899 blackframe_filter_deps="gpl"
1900 boxblur_filter_deps="gpl"
1901 colormatrix_filter_deps="gpl"
1902 cropdetect_filter_deps="gpl"
1903 decimate_filter_deps="gpl avcodec"
1904 delogo_filter_deps="gpl"
1905 deshake_filter_deps="avcodec"
1906 drawtext_filter_deps="libfreetype"
1907 ebur128_filter_deps="gpl"
1908 flite_filter_deps="libflite"
1909 frei0r_filter_deps="frei0r dlopen"
1910 frei0r_filter_extralibs='$ldl'
1911 frei0r_src_filter_deps="frei0r dlopen"
1912 frei0r_src_filter_extralibs='$ldl'
1913 hqdn3d_filter_deps="gpl"
1914 movie_filter_deps="avcodec avformat"
1915 mp_filter_deps="gpl avcodec swscale postproc inline_asm"
1916 mptestsrc_filter_deps="gpl"
1917 negate_filter_deps="lut_filter"
1918 resample_filter_deps="avresample"
1919 ocv_filter_deps="libopencv"
1920 pan_filter_deps="swresample"
1921 removelogo_filter_deps="avcodec avformat swscale"
1922 scale_filter_deps="swscale"
1923 smartblur_filter_deps="gpl swscale"
1924 showspectrum_filter_deps="avcodec"
1925 super2xsai_filter_deps="gpl"
1926 tinterlace_filter_deps="gpl"
1927 yadif_filter_deps="gpl"
1928 pixfmts_super2xsai_test_deps="super2xsai_filter"
1929 tinterlace_merge_test_deps="tinterlace_filter"
1930 tinterlace_pad_test_deps="tinterlace_filter"
1931
1932 # libraries
1933 avdevice_deps="avcodec avformat"
1934 avformat_deps="avcodec"
1935 postproc_deps="gpl"
1936
1937 # programs
1938 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1939 ffmpeg_select="ffbuffersink_filter format_filter aformat_filter
1940                setpts_filter null_filter anull_filter ffabuffersink_filter"
1941 ffplay_deps="avcodec avformat swscale swresample sdl"
1942 ffplay_select="ffbuffersink_filter rdft crop_filter"
1943 ffprobe_deps="avcodec avformat"
1944 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1945 ffserver_extralibs='$ldl'
1946
1947 # documentation
1948 podpages_deps="perl"
1949 manpages_deps="perl pod2man"
1950 htmlpages_deps="texi2html"
1951 txtpages_deps="makeinfo"
1952 doc_deps_any="manpages htmlpages podpages txtpages"
1953
1954 # tests
1955 colormatrix1_test_deps="colormatrix_filter"
1956 colormatrix2_test_deps="colormatrix_filter"
1957 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1958 png_test_deps="zlib"
1959 pp_test_deps="mp_filter"
1960 pp2_test_deps="mp_filter"
1961 pp3_test_deps="mp_filter"
1962 pp4_test_deps="mp_filter"
1963 pp5_test_deps="mp_filter"
1964 pp6_test_deps="mp_filter"
1965 seek_flashsv_flv_test_deps="zlib"
1966 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1967
1968 test_deps(){
1969     suf1=$1
1970     suf2=$2
1971     shift 2
1972     for v; do
1973         dep=${v%=*}
1974         tests=${v#*=}
1975         for name in ${tests}; do
1976             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1977         done
1978     done
1979 }
1980
1981 test_deps _muxer _demuxer                                               \
1982     aiff                                                                \
1983     pcm_alaw=alaw                                                       \
1984     asf                                                                 \
1985     au                                                                  \
1986     avi                                                                 \
1987     dv=dv_fmt                                                           \
1988     ffm                                                                 \
1989     flv=flv_fmt                                                         \
1990     gxf                                                                 \
1991     matroska=mkv                                                        \
1992     mmf                                                                 \
1993     mov="mov ismv"                                                      \
1994     pcm_mulaw=mulaw                                                     \
1995     mxf="mxf mxf_d10"                                                   \
1996     nut                                                                 \
1997     ogg="ogg ogg_vp3"                                                   \
1998     rawvideo=pixfmt                                                     \
1999     rm                                                                  \
2000     swf                                                                 \
2001     mpegts=ts                                                           \
2002     voc                                                                 \
2003     wav                                                                 \
2004     yuv4mpegpipe=yuv4mpeg                                               \
2005
2006 # default parameters
2007
2008 logfile="config.log"
2009
2010 # installation paths
2011 prefix_default="/usr/local"
2012 bindir_default='${prefix}/bin'
2013 datadir_default='${prefix}/share/ffmpeg'
2014 incdir_default='${prefix}/include'
2015 libdir_default='${prefix}/lib'
2016 mandir_default='${prefix}/share/man'
2017 shlibdir_default="$libdir_default"
2018 postproc_version_default="current"
2019
2020 # toolchain
2021 ar_default="ar"
2022 cc_default="gcc"
2023 cxx_default="g++"
2024 host_cc_default="gcc"
2025 install="install"
2026 ln_s="ln -sf"
2027 nm_default="nm -g"
2028 objformat="elf"
2029 pkg_config_default=pkg-config
2030 ranlib="ranlib"
2031 strip_default="strip"
2032 yasmexe_default="yasm"
2033
2034 nogas=":"
2035
2036 # machine
2037 arch_default=$(uname -m)
2038 cpu="generic"
2039
2040 # OS
2041 target_os_default=$(tolower $(uname -s))
2042 host_os=$target_os_default
2043
2044 # alternative libpostproc version
2045 ALT_PP_VER_MAJOR=51
2046 ALT_PP_VER_MINOR=2
2047 ALT_PP_VER_MICRO=101
2048 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
2049
2050 # configurable options
2051 enable $PROGRAM_LIST
2052 enable $DOCUMENT_LIST
2053
2054 enable avcodec
2055 enable avdevice
2056 enable avfilter
2057 enable avformat
2058 enable avutil
2059 enable postproc
2060 enable stripping
2061 enable swresample
2062 enable swscale
2063
2064 enable asm
2065 enable debug
2066 enable doc
2067 enable network
2068 enable optimizations
2069 enable runtime_cpudetect
2070 enable safe_bitstream_reader
2071 enable static
2072 enable swscale_alpha
2073
2074 # build settings
2075 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2076 FFSERVERLDFLAGS=-Wl,-E
2077 LIBPREF="lib"
2078 LIBSUF=".a"
2079 FULLNAME='$(NAME)$(BUILDSUF)'
2080 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2081 SLIBPREF="lib"
2082 SLIBSUF=".so"
2083 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2084 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2085 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2086 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2087 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2088 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2089
2090 asflags_filter=echo
2091 cflags_filter=echo
2092 ldflags_filter=echo
2093
2094 AS_C='-c'
2095 AS_O='-o $@'
2096 CC_C='-c'
2097 CC_E='-E -o $@'
2098 CC_O='-o $@'
2099 CXX_C='-c'
2100 CXX_O='-o $@'
2101 LD_O='-o $@'
2102 LD_LIB='-l%'
2103 LD_PATH='-L'
2104 HOSTCC_C='-c'
2105 HOSTCC_O='-o $@'
2106 HOSTLD_O='-o $@'
2107
2108 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
2109 host_libs='-lm'
2110 host_cflags_filter=echo
2111 host_ldflags_filter=echo
2112
2113 target_path='$(CURDIR)'
2114
2115 # since the object filename is not given with the -MM flag, the compiler
2116 # is only able to print the basename, and we must add the path ourselves
2117 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2118 DEPFLAGS='-MM'
2119
2120 # find source path
2121 if test -f configure; then
2122     source_path=.
2123 else
2124     source_path=$(cd $(dirname "$0"); pwd)
2125     echo "$source_path" | grep -q '[[:blank:]]' &&
2126         die "Out of tree builds are impossible with whitespace in source path."
2127     test -e "$source_path/config.h" &&
2128         die "Out of tree builds are impossible with config.h in source dir."
2129 fi
2130
2131 for v in "$@"; do
2132     r=${v#*=}
2133     l=${v%"$r"}
2134     r=$(sh_quote "$r")
2135     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2136 done
2137
2138 find_things(){
2139     thing=$1
2140     pattern=$2
2141     file=$source_path/$3
2142     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2143 }
2144
2145 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2146 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2147 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2148 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2149 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
2150 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2151 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2152 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2153 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2154 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2155 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2156
2157 ALL_COMPONENTS="
2158     $BSF_LIST
2159     $DECODER_LIST
2160     $DEMUXER_LIST
2161     $ENCODER_LIST
2162     $FILTER_LIST
2163     $HWACCEL_LIST
2164     $INDEV_LIST
2165     $MUXER_LIST
2166     $OUTDEV_LIST
2167     $PARSER_LIST
2168     $PROTOCOL_LIST
2169 "
2170
2171 find_tests(){
2172     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
2173 }
2174
2175 LAVF_FATE_TESTS=$(find_tests lavf-fate)
2176 LAVF_TESTS=$(find_tests lavf)
2177 LAVFI_TESTS=$(find_tests lavfi)
2178 SEEK_TESTS=$(find_tests seek seek_)
2179
2180 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
2181
2182 for n in $COMPONENT_LIST; do
2183     v=$(toupper ${n%s})_LIST
2184     eval enable \$$v
2185     eval ${n}_if_any="\$$v"
2186 done
2187
2188 enable $ARCH_EXT_LIST $ALL_TESTS
2189
2190 die_unknown(){
2191     echo "Unknown option \"$1\"."
2192     echo "See $0 --help for available options."
2193     exit 1
2194 }
2195
2196 show_list() {
2197     suffix=_$1
2198     shift
2199     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2200     exit 0
2201 }
2202
2203 rand_list(){
2204     IFS=', '
2205     set -- $*
2206     unset IFS
2207     for thing; do
2208         comp=${thing%:*}
2209         prob=${thing#$comp}
2210         prob=${prob#:}
2211         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2212         echo "prob ${prob:-0.5}"
2213         printf '%s\n' $comp
2214     done
2215 }
2216
2217 do_random(){
2218     action=$1
2219     shift
2220     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2221     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2222 }
2223
2224 for opt do
2225     optval="${opt#*=}"
2226     case "$opt" in
2227     --extra-ldflags=*) add_ldflags $optval
2228     ;;
2229     --extra-libs=*) add_extralibs $optval
2230     ;;
2231     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2232     ;;
2233     --enable-debug=*) debuglevel="$optval"
2234     ;;
2235     --disable-everything)
2236     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2237     ;;
2238     --enable-random|--disable-random)
2239     action=${opt%%-random}
2240     do_random ${action#--} $COMPONENT_LIST
2241     ;;
2242     --enable-random=*|--disable-random=*)
2243     action=${opt%%-random=*}
2244     do_random ${action#--} $optval
2245     ;;
2246     --enable-*=*|--disable-*=*)
2247     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2248     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2249     eval list=\$$(toupper $thing)_LIST
2250     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2251     $action $(filter "$name" $list)
2252     ;;
2253     --enable-?*|--disable-?*)
2254     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2255     if is_in $option $COMPONENT_LIST; then
2256         test $action = disable && action=unset
2257         eval $action \$$(toupper ${option%s})_LIST
2258     elif is_in $option $CMDLINE_SELECT; then
2259         $action $option
2260     else
2261         die_unknown $opt
2262     fi
2263     ;;
2264     --list-*)
2265         NAME="${opt#--list-}"
2266         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2267         NAME=${NAME%s}
2268         eval show_list $NAME \$$(toupper $NAME)_LIST
2269     ;;
2270     --help|-h) show_help
2271     ;;
2272     *)
2273     optname="${opt%%=*}"
2274     optname="${optname#--}"
2275     optname=$(echo "$optname" | sed 's/-/_/g')
2276     if is_in $optname $CMDLINE_SET; then
2277         eval $optname='$optval'
2278     elif is_in $optname $CMDLINE_APPEND; then
2279         append $optname "$optval"
2280     else
2281          die_unknown $opt
2282     fi
2283     ;;
2284     esac
2285 done
2286
2287 disabled logging && logfile=/dev/null
2288
2289 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2290 set >> $logfile
2291
2292 test -n "$cross_prefix" && enable cross_compile
2293
2294 if enabled cross_compile; then
2295     test -n "$arch" && test -n "$target_os" ||
2296         die "Must specify target arch and OS when cross-compiling"
2297 fi
2298
2299 set_default arch target_os postproc_version
2300
2301 # Check if we should build alternative libpostproc version instead of current
2302 if   test "$postproc_version" = $ALT_PP_VER; then
2303   LIBPOSTPROC_VERSION=$ALT_PP_VER
2304   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2305   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2306   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2307 elif test "$postproc_version" != current; then
2308   die "Invalid argument to --postproc-version. See --help output."
2309 fi
2310
2311 ar_default="${cross_prefix}${ar_default}"
2312 cc_default="${cross_prefix}${cc_default}"
2313 cxx_default="${cross_prefix}${cxx_default}"
2314 nm_default="${cross_prefix}${nm_default}"
2315 pkg_config_default="${cross_prefix}${pkg_config_default}"
2316 ranlib="${cross_prefix}${ranlib}"
2317 strip_default="${cross_prefix}${strip_default}"
2318
2319 sysinclude_default="${sysroot}/usr/include"
2320
2321 case "$toolchain" in
2322     msvc)
2323         cc_default="c99wrap cl"
2324         ld_default="c99wrap link"
2325         nm_default="dumpbin -symbols"
2326         ar_default="lib"
2327     ;;
2328     ?*)
2329         die "Unknown toolchain $toolchain"
2330     ;;
2331 esac
2332
2333 set_default cc cxx pkg_config strip sysinclude yasmexe
2334 enabled cross_compile || host_cc_default=$cc
2335 set_default host_cc
2336
2337 if ! $pkg_config --version >/dev/null 2>&1; then
2338     warn "$pkg_config not found, library detection may fail."
2339     pkg_config=false
2340 fi
2341
2342 exesuf() {
2343     case $1 in
2344         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2345     esac
2346 }
2347
2348 EXESUF=$(exesuf $target_os)
2349 HOSTEXESUF=$(exesuf $host_os)
2350
2351 # set temporary file name
2352 : ${TMPDIR:=$TEMPDIR}
2353 : ${TMPDIR:=$TMP}
2354 : ${TMPDIR:=/tmp}
2355
2356 if ! check_cmd mktemp -u XXXXXX; then
2357     # simple replacement for missing mktemp
2358     # NOT SAFE FOR GENERAL USE
2359     mktemp(){
2360         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2361     }
2362 fi
2363
2364 tmpfile(){
2365     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2366         (set -C; exec > $tmp) 2>/dev/null ||
2367         die "Unable to create temporary file in $TMPDIR."
2368     append TMPFILES $tmp
2369     eval $1=$tmp
2370 }
2371
2372 trap 'rm -f -- $TMPFILES' EXIT
2373
2374 tmpfile TMPASM .asm
2375 tmpfile TMPC   .c
2376 tmpfile TMPCPP .cpp
2377 tmpfile TMPE   $EXESUF
2378 tmpfile TMPH   .h
2379 tmpfile TMPO   .o
2380 tmpfile TMPS   .S
2381 tmpfile TMPSH  .sh
2382 tmpfile TMPV   .ver
2383
2384 unset -f mktemp
2385
2386 chmod +x $TMPE
2387
2388 # make sure we can execute files in $TMPDIR
2389 cat > $TMPSH 2>> $logfile <<EOF
2390 #! /bin/sh
2391 EOF
2392 chmod +x $TMPSH >> $logfile 2>&1
2393 if ! $TMPSH >> $logfile 2>&1; then
2394     cat <<EOF
2395 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2396 variable to another directory and make sure that it is not mounted noexec.
2397 EOF
2398     die "Sanity test failed."
2399 fi
2400
2401 msvc_flags(){
2402     for flag; do
2403         case $flag in
2404             -fomit-frame-pointer) echo -Oy ;;
2405             -g)                   echo -Z7 ;;
2406             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2407                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2408                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2409                                        -wd4996 -wd4554 ;;
2410             -std=c99)             ;;
2411             -fno-math-errno)      ;;
2412             -fno-common)          ;;
2413             -fno-signed-zeros)    ;;
2414             -lz)                  echo zlib.lib ;;
2415             -lavifil32)           echo vfw32.lib ;;
2416             -lavicap32)           echo vfw32.lib user32.lib ;;
2417             -l*)                  echo ${flag#-l}.lib ;;
2418             *)                    echo $flag ;;
2419         esac
2420     done
2421 }
2422
2423 pgi_flags(){
2424     for flag; do
2425         case $flag in
2426             -fomit-frame-pointer) echo -Mnoframe ;;
2427             -g)                   echo -gopt ;;
2428             *)                    echo $flag ;;
2429         esac
2430     done
2431 }
2432
2433 suncc_flags(){
2434     for flag; do
2435         case $flag in
2436             -march=*|-mcpu=*)
2437                 case "${flag#*=}" in
2438                     native)                   echo -xtarget=native       ;;
2439                     v9|niagara)               echo -xarch=sparc          ;;
2440                     ultrasparc)               echo -xarch=sparcvis       ;;
2441                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2442                     i586|pentium)             echo -xchip=pentium        ;;
2443                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2444                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2445                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2446                     pentium4*)          echo -xtarget=pentium4           ;;
2447                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2448                     *-sse3)             echo -xarch=sse3                 ;;
2449                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
2450                     amdfam10|barcelona|bdver*) echo -xarch=sse4_1        ;;
2451                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2452                     k8|opteron|athlon64|athlon-fx)
2453                                               echo -xarch=sse2a          ;;
2454                     athlon*)                  echo -xarch=pentium_proa   ;;
2455                 esac
2456                 ;;
2457             -std=c99)             echo -xc99              ;;
2458             -fomit-frame-pointer) echo -xregs=frameptr    ;;
2459             -fPIC)                echo -KPIC -xcode=pic32 ;;
2460             -W*,*)                echo $flag              ;;
2461             -f*-*|-W*)                                    ;;
2462             *)                    echo $flag              ;;
2463         esac
2464     done
2465 }
2466
2467 tms470_flags(){
2468     for flag; do
2469         case $flag in
2470             -march=*|-mcpu=*)
2471                 case "${flag#*=}" in
2472                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
2473                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
2474                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
2475                     armv6*|arm11*)          echo -mv=6   ;;
2476                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2477                                             echo -mv=5e  ;;
2478                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2479                 esac
2480                 ;;
2481             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2482             -mfpu=vfp)      echo --float_support=vfpv2        ;;
2483             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2484             -msoft-float)   echo --float_support=vfplib       ;;
2485             -O[0-3]|-mf=*)  echo $flag                        ;;
2486             -g)             echo -g -mn                       ;;
2487             -pds=*)         echo $flag                        ;;
2488             -D*|-I*)        echo $flag                        ;;
2489             --gcc|--abi=*)  echo $flag                        ;;
2490             -me)            echo $flag                        ;;
2491         esac
2492     done
2493 }
2494
2495 probe_cc(){
2496     pfx=$1
2497     _cc=$2
2498
2499     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2500     unset _ld_o _ldflags _ld_lib _ld_path
2501     unset _depflags _DEPCMD _DEPFLAGS
2502     _flags_filter=echo
2503
2504     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2505         _type=llvm_gcc
2506         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2507         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2508         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2509         _cflags_speed='-O3'
2510         _cflags_size='-Os'
2511     elif $_cc -v 2>&1 | grep -qi ^gcc; then
2512         _type=gcc
2513         gcc_version=$($_cc --version | head -n1)
2514         gcc_basever=$($_cc -dumpversion)
2515         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2516         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2517         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2518         if ! $_cc -dumpversion | grep -q '^2\.'; then
2519             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2520         fi
2521         _cflags_speed='-O3'
2522         _cflags_size='-Os'
2523     elif $_cc --version 2>/dev/null | grep -q Intel; then
2524         _type=icc
2525         _ident=$($_cc --version | head -n1)
2526         _depflags='-MMD'
2527         _cflags_speed='-O3'
2528         _cflags_size='-Os'
2529         _cflags_noopt='-O1'
2530     elif $_cc -v 2>&1 | grep -q xlc; then
2531         _type=xlc
2532         _ident=$($_cc -qversion 2>/dev/null | head -n1)
2533         _cflags_speed='-O5'
2534         _cflags_size='-O5 -qcompact'
2535     elif $_cc -V 2>/dev/null | grep -q Compaq; then
2536         _type=ccc
2537         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2538         _DEPFLAGS='-M'
2539         debuglevel=3
2540         _ldflags='-Wl,-z,now' # calls to libots crash without this
2541         _cflags_speed='-fast'
2542         _cflags_size='-O1'
2543     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2544         test -d "$sysroot" || die "No valid sysroot specified."
2545         _type=armcc
2546         _ident=$($_cc --vsn | head -n1)
2547         armcc_conf="$PWD/armcc.conf"
2548         $_cc --arm_linux_configure                 \
2549              --arm_linux_config_file="$armcc_conf" \
2550              --configure_sysroot="$sysroot"        \
2551              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2552              die "Error creating armcc configuration file."
2553         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2554         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2555         as_default="${cross_prefix}gcc"
2556         _depflags='-MMD'
2557         _cflags_speed='-O3'
2558         _cflags_size='-Os'
2559     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2560         _type=tms470
2561         _ident=$($_cc -version | head -n1 | tr -s ' ')
2562         _flags='--gcc --abi=eabi -me'
2563         _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2564         _cc_e='-ppl -fe=$@'
2565         _cc_o='-fe=$@'
2566         as_default="${cross_prefix}gcc"
2567         ld_default="${cross_prefix}gcc"
2568         _depflags='-ppa -ppd=$(@:.o=.d)'
2569         _cflags_speed='-O3 -mf=5'
2570         _cflags_size='-O3 -mf=2'
2571         _flags_filter=tms470_flags
2572     elif $_cc -v 2>&1 | grep -q clang; then
2573         _type=clang
2574         _ident=$($_cc --version | head -n1)
2575         _depflags='-MMD'
2576         _cflags_speed='-O3'
2577         _cflags_size='-Os'
2578     elif $_cc -V 2>&1 | grep -q Sun; then
2579         _type=suncc
2580         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2581         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2582         _DEPFLAGS='-xM1 -xc99'
2583         _ldflags='-std=c99'
2584         _cflags_speed='-O5'
2585         _cflags_size='-O5 -xspace'
2586         _flags_filter=suncc_flags
2587     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2588         _type=pathscale
2589         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2590         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2591         _cflags_speed='-O2'
2592         _cflags_size='-Os'
2593         _flags_filter='filter_out -Wdisabled-optimization'
2594     elif $_cc -v 2>&1 | grep -q Open64; then
2595         _type=open64
2596         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2597         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2598         _cflags_speed='-O2'
2599         _cflags_size='-Os'
2600         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2601     elif $_cc -V 2>&1 | grep -q Portland; then
2602         _type=pgi
2603         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2604         opt_common='-alias=ansi -Mlre -Mpre'
2605         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2606         _cflags_size="-O2 -Munroll=c:1 $opt_common"
2607         _cflags_noopt="-O1"
2608         _flags_filter=pgi_flags
2609     elif $_cc 2>&1 | grep -q Microsoft; then
2610         _type=msvc
2611         _ident=$($cc 2>&1 | head -n1)
2612         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2613         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2614         _cflags_speed="-O2"
2615         _cflags_size="-O1"
2616         # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2617         if $_cc 2>&1 | grep -q Linker; then
2618             _ld_o='-out $@'
2619         else
2620             _ld_o='-Fe$@'
2621         fi
2622         _cc_o='-Fo $@'
2623         _cc_e='-P -Fi $@'
2624         _flags_filter=msvc_flags
2625         _ld_lib='lib%.a'
2626         _ld_path='-libpath:'
2627         _flags='-nologo'
2628         _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2629         if [ $pfx = hostcc ]; then
2630             append _cflags -Dsnprintf=_snprintf
2631         fi
2632         disable stripping
2633     fi
2634
2635     eval ${pfx}_type=\$_type
2636     eval ${pfx}_ident=\$_ident
2637 }
2638
2639 set_ccvars(){
2640     eval ${1}_C=\${_cc_c-\${${1}_C}}
2641     eval ${1}_E=\${_cc_e-\${${1}_E}}
2642     eval ${1}_O=\${_cc_o-\${${1}_O}}
2643
2644     if [ -n "$_depflags" ]; then
2645         eval ${1}_DEPFLAGS=\$_depflags
2646     else
2647         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2648         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2649         eval DEP${1}FLAGS=\$_flags
2650     fi
2651 }
2652
2653 probe_cc cc "$cc"
2654 cflags_filter=$_flags_filter
2655 cflags_speed=$_cflags_speed
2656 cflags_size=$_cflags_size
2657 cflags_noopt=$_cflags_noopt
2658 add_cflags $_flags $_cflags
2659 cc_ldflags=$_ldflags
2660 set_ccvars CC
2661
2662 probe_cc hostcc "$host_cc"
2663 host_cflags_filter=$_flags_filter
2664 add_host_cflags  $_flags $_cflags
2665 set_ccvars HOSTCC
2666
2667 test -n "$cc_type" && enable $cc_type ||
2668     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2669
2670 : ${as_default:=$cc}
2671 : ${dep_cc_default:=$cc}
2672 : ${ld_default:=$cc}
2673 : ${host_ld_default:=$host_cc}
2674 set_default ar as dep_cc ld host_ld
2675
2676 probe_cc as "$as"
2677 asflags_filter=$_flags_filter
2678 add_asflags $_flags $_cflags
2679 set_ccvars AS
2680
2681 probe_cc ld "$ld"
2682 ldflags_filter=$_flags_filter
2683 add_ldflags $_flags $_ldflags
2684 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2685 LD_O=${_ld_o-$LD_O}
2686 LD_LIB=${_ld_lib-$LD_LIB}
2687 LD_PATH=${_ld_path-$LD_PATH}
2688
2689 probe_cc hostld "$host_ld"
2690 host_ldflags_filter=$_flags_filter
2691 add_host_ldflags $_flags $_ldflags
2692 HOSTLD_O=${_ld_o-$HOSTLD_O}
2693
2694 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2695     probe_cc depcc "$dep_cc"
2696     CCDEP=${_DEPCMD:-$DEPCMD}
2697     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2698     DEPCCFLAGS=$_flags
2699 fi
2700
2701 if $ar 2>&1 | grep -q Microsoft; then
2702     arflags="-nologo"
2703     ar_o='-out:$@'
2704 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2705     arflags="rq"
2706     ar_o='$@'
2707 else
2708     arflags="rc"
2709     ar_o='$@'
2710 fi
2711
2712 add_cflags $extra_cflags
2713 add_cxxflags $extra_cxxflags
2714 add_asflags $extra_cflags
2715
2716 if test -n "$sysroot"; then
2717     case "$cc_type" in
2718         gcc|llvm_gcc|clang)
2719             add_cppflags --sysroot="$sysroot"
2720             add_ldflags --sysroot="$sysroot"
2721         ;;
2722         tms470)
2723             add_cppflags -I"$sysinclude"
2724             add_ldflags  --sysroot="$sysroot"
2725         ;;
2726     esac
2727 fi
2728
2729 if test "$cpu" = host; then
2730     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2731
2732     case "$cc_type" in
2733         gcc|llvm_gcc)
2734             check_native(){
2735                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2736                 sed -n "/cc1.*$1=/{
2737                             s/.*$1=\\([^ ]*\\).*/\\1/
2738                             p
2739                             q
2740                         }" $TMPE
2741             }
2742             cpu=$(check_native -march || check_native -mcpu)
2743         ;;
2744     esac
2745
2746     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2747 fi
2748
2749 # Deal with common $arch aliases
2750 case "$arch" in
2751     arm*|iPad*)
2752         arch="arm"
2753     ;;
2754     mips|mipsel|IP*)
2755         arch="mips"
2756     ;;
2757     mips64*)
2758         arch="mips"
2759         subarch="mips64"
2760     ;;
2761     parisc|hppa)
2762         arch="parisc"
2763     ;;
2764     parisc64|hppa64)
2765         arch="parisc"
2766         subarch="parisc64"
2767     ;;
2768     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2769         arch="ppc"
2770     ;;
2771     s390|s390x)
2772         arch="s390"
2773     ;;
2774     sh4|sh)
2775         arch="sh4"
2776     ;;
2777     sun4u|sparc64)
2778         arch="sparc"
2779         subarch="sparc64"
2780     ;;
2781     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2782         arch="x86"
2783     ;;
2784 esac
2785
2786 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2787 enable $arch
2788
2789 # Add processor-specific flags
2790 if test "$cpu" = generic; then
2791     : do nothing
2792 elif enabled ppc; then
2793
2794     case $(tolower $cpu) in
2795         601|ppc601|powerpc601)
2796             cpuflags="-mcpu=601"
2797             disable altivec
2798         ;;
2799         603*|ppc603*|powerpc603*)
2800             cpuflags="-mcpu=603"
2801             disable altivec
2802         ;;
2803         604*|ppc604*|powerpc604*)
2804             cpuflags="-mcpu=604"
2805             disable altivec
2806         ;;
2807         g3|75*|ppc75*|powerpc75*)
2808             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2809             disable altivec
2810         ;;
2811         g4|745*|ppc745*|powerpc745*)
2812             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2813         ;;
2814         74*|ppc74*|powerpc74*)
2815             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2816         ;;
2817         g5|970|ppc970|powerpc970)
2818             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2819         ;;
2820         power[3-7]*)
2821             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2822         ;;
2823         cell)
2824             cpuflags="-mcpu=cell"
2825             enable ldbrx
2826         ;;
2827         e500mc)
2828             cpuflags="-mcpu=e500mc"
2829             disable altivec
2830         ;;
2831         e500v2)
2832             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2833             disable altivec
2834         ;;
2835         e500)
2836             cpuflags="-mcpu=8540 -mhard-float"
2837             disable altivec
2838         ;;
2839     esac
2840
2841 elif enabled x86; then
2842
2843     case $cpu in
2844         i[345]86|pentium)
2845             cpuflags="-march=$cpu"
2846             disable mmx
2847         ;;
2848         # targets that do NOT support conditional mov (cmov)
2849         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2850             cpuflags="-march=$cpu"
2851             disable cmov
2852         ;;
2853         # targets that do support conditional mov (cmov)
2854         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
2855             cpuflags="-march=$cpu"
2856             enable cmov
2857             enable fast_cmov
2858         ;;
2859         # targets that do support conditional mov but on which it's slow
2860         pentium4|pentium4m|prescott|nocona)
2861             cpuflags="-march=$cpu"
2862             enable cmov
2863             disable fast_cmov
2864         ;;
2865     esac
2866
2867 elif enabled sparc; then
2868
2869     case $cpu in
2870         niagara)
2871             cpuflags="-mcpu=$cpu"
2872             disable vis
2873         ;;
2874         sparc64)
2875             cpuflags="-mcpu=v9"
2876         ;;
2877     esac
2878
2879 elif enabled arm; then
2880
2881     case $cpu in
2882         armv*)
2883             cpuflags="-march=$cpu"
2884             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2885         ;;
2886         *)
2887             cpuflags="-mcpu=$cpu"
2888             case $cpu in
2889                 cortex-a*)                               subarch=armv7a  ;;
2890                 cortex-r*)                               subarch=armv7r  ;;
2891                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2892                 arm11*)                                  subarch=armv6   ;;
2893                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2894                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2895             esac
2896         ;;
2897     esac
2898
2899 elif enabled alpha; then
2900
2901     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2902
2903 elif enabled bfin; then
2904
2905     cpuflags="-mcpu=$cpu"
2906
2907 elif enabled mips; then
2908
2909     cpuflags="-march=$cpu"
2910
2911     case $cpu in
2912         24kc)
2913             disable mipsfpu
2914             disable mipsdspr1
2915             disable mipsdspr2
2916         ;;
2917         24kf*)
2918             disable mipsdspr1
2919             disable mipsdspr2
2920         ;;
2921         24kec|34kc|1004kc)
2922             disable mipsfpu
2923             disable mipsdspr2
2924         ;;
2925         24kef*|34kf*|1004kf*)
2926             disable mipsdspr2
2927         ;;
2928         74kc)
2929             disable mipsfpu
2930         ;;
2931     esac
2932
2933 elif enabled avr32; then
2934
2935     case $cpu in
2936         ap7[02]0[0-2])
2937             subarch="avr32_ap"
2938             cpuflags="-mpart=$cpu"
2939         ;;
2940         ap)
2941             subarch="avr32_ap"
2942             cpuflags="-march=$cpu"
2943         ;;
2944         uc3[ab]*)
2945             subarch="avr32_uc"
2946             cpuflags="-mcpu=$cpu"
2947         ;;
2948         uc)
2949             subarch="avr32_uc"
2950             cpuflags="-march=$cpu"
2951         ;;
2952     esac
2953
2954 fi
2955
2956 add_cflags $cpuflags
2957 add_asflags $cpuflags
2958
2959 # compiler sanity check
2960 check_exec <<EOF
2961 int main(void){ return 0; }
2962 EOF
2963 if test "$?" != 0; then
2964     echo "$cc is unable to create an executable file."
2965     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2966         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2967         echo "Only do this if you know what cross compiling means."
2968     fi
2969     die "C compiler test failed."
2970 fi
2971
2972 add_cppflags -D_ISOC99_SOURCE
2973 add_cxxflags -D__STDC_CONSTANT_MACROS
2974 check_cflags -std=c99
2975 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2976 #include <stdlib.h>
2977 EOF
2978 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2979 #include <stdlib.h>
2980 EOF
2981
2982 check_host_cflags -std=c99
2983 check_host_cflags -Wall
2984
2985 case "$arch" in
2986     alpha|ia64|mips|parisc|sparc)
2987         spic=$shared
2988     ;;
2989     x86)
2990         subarch="x86_32"
2991         check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2992         if test "$subarch" = "x86_64"; then
2993             spic=$shared
2994         fi
2995     ;;
2996     ppc)
2997         check_cc <<EOF && subarch="ppc64"
2998         int test[(int)sizeof(char*) - 7];
2999 EOF
3000     ;;
3001 esac
3002
3003 enable $subarch
3004 enabled spic && enable pic
3005
3006 # OS specific
3007 case $target_os in
3008     haiku)
3009         prefix_default="/boot/common"
3010         network_extralibs="-lnetwork"
3011         host_libs=
3012         ;;
3013     sunos)
3014         FFSERVERLDFLAGS=""
3015         SHFLAGS='-shared -Wl,-h,$$(@F)'
3016         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3017         network_extralibs="-lsocket -lnsl"
3018         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3019         # When using suncc to build, the Solaris linker will mark
3020         # an executable with each instruction set encountered by
3021         # the Solaris assembler.  As our libraries contain their own
3022         # guards for processor-specific code, instead suppress
3023         # generation of the HWCAPS ELF section on Solaris x86 only.
3024         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
3025         nm_default='nm -P -g'
3026         ;;
3027     netbsd)
3028         disable symver
3029         oss_indev_extralibs="-lossaudio"
3030         oss_outdev_extralibs="-lossaudio"
3031         enabled gcc || check_ldflags -Wl,-zmuldefs
3032         ;;
3033     openbsd|bitrig)
3034         # On OpenBSD 4.5. the compiler does not use PIC unless
3035         # explicitly using -fPIC. FFmpeg builds fine without PIC,
3036         # however the generated executable will not do anything
3037         # (simply quits with exit-code 1, no crash, no output).
3038         # Thus explicitly enable PIC here.
3039         enable pic
3040         disable symver
3041         SHFLAGS='-shared'
3042         SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
3043         SLIB_INSTALL_LINKS=
3044         oss_indev_extralibs="-lossaudio"
3045         oss_outdev_extralibs="-lossaudio"
3046         ;;
3047     dragonfly)
3048         disable symver
3049         ;;
3050     freebsd)
3051         ;;
3052     bsd/os)
3053         add_extralibs -lpoll -lgnugetopt
3054         strip="strip -d"
3055         ;;
3056     darwin)
3057         gas="gas-preprocessor.pl $cc"
3058         enabled ppc && add_asflags -force_cpusubtype_ALL
3059         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3060         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3061         strip="${strip} -x"
3062         add_ldflags -Wl,-dynamic,-search_paths_first
3063         SLIBSUF=".dylib"
3064         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3065         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3066         FFSERVERLDFLAGS=-Wl,-bind_at_load
3067         objformat="macho"
3068         enabled x86_64 && objformat="macho64"
3069         enabled_any pic shared ||
3070             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3071         ;;
3072     mingw32*)
3073         if test $target_os = "mingw32ce"; then
3074             disable network
3075         else
3076             target_os=mingw32
3077         fi
3078         LIBTARGET=i386
3079         if enabled x86_64; then
3080             LIBTARGET="i386:x86-64"
3081         elif enabled arm; then
3082             LIBTARGET=arm-wince
3083         fi
3084         shlibdir_default="$bindir_default"
3085         SLIBPREF=""
3086         SLIBSUF=".dll"
3087         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3088         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3089         dlltool="${cross_prefix}dlltool"
3090         if check_cmd lib.exe -list; then
3091             SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3092             if enabled x86_64; then
3093                 LIBTARGET=x64
3094             fi
3095         elif check_cmd $dlltool --version; then
3096             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3097         fi
3098         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3099         SLIB_INSTALL_LINKS=
3100         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3101         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3102         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3103         objformat="win32"
3104         ranlib=:
3105         enable dos_paths
3106         check_cflags -fno-common
3107         add_cppflags -U__STRICT_ANSI__
3108         ;;
3109     cygwin*)
3110         target_os=cygwin
3111         shlibdir_default="$bindir_default"
3112         SLIBPREF="cyg"
3113         SLIBSUF=".dll"
3114         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3115         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3116         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3117         SLIB_INSTALL_LINKS=
3118         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3119         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3120         objformat="win32"
3121         enable dos_paths
3122         check_cflags -fno-common
3123         add_cppflags -U__STRICT_ANSI__
3124         ;;
3125     *-dos|freedos|opendos)
3126         network_extralibs="-lsocket"
3127         objformat="coff"
3128         enable dos_paths
3129         add_cppflags -U__STRICT_ANSI__
3130         ;;
3131     linux)
3132         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3133         enable dv1394
3134         ;;
3135     irix*)
3136         target_os=irix
3137         ranlib="echo ignoring ranlib"
3138         ;;
3139     os/2*)
3140         strip="lxlite -CS"
3141         ln_s="cp -f"
3142         objformat="aout"
3143         add_cppflags -D_GNU_SOURCE
3144         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3145         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3146         FFSERVERLDFLAGS=""
3147         LIBSUF="_s.a"
3148         SLIBPREF=""
3149         SLIBSUF=".dll"
3150         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3151         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3152         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3153             echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3154             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3155             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3156             echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3157             emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3158         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3159             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3160         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3161         enable dos_paths
3162         enable_weak os2threads
3163         ;;
3164     gnu/kfreebsd)
3165         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
3166         ;;
3167     gnu)
3168         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3169         ;;
3170     qnx)
3171         add_cppflags -D_QNX_SOURCE
3172         network_extralibs="-lsocket"
3173         ;;
3174     symbian)
3175         SLIBSUF=".dll"
3176         enable dos_paths
3177         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3178         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3179         add_ldflags -Wl,--target1-abs,--no-undefined \
3180                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3181                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3182         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3183                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3184                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3185         ;;
3186     none)
3187         ;;
3188     *)
3189         die "Unknown OS '$target_os'."
3190         ;;
3191 esac
3192
3193 # determine libc flavour
3194
3195 if check_cpp_condition features.h "defined __UCLIBC__"; then
3196     libc_type=uclibc
3197 elif check_cpp_condition features.h "defined __GLIBC__"; then
3198     libc_type=glibc
3199 elif check_header _mingw.h; then
3200     libc_type=mingw
3201     check_cpp_condition _mingw.h \
3202         "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3203             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3204         die "ERROR: MinGW runtime version must be >= 3.15."
3205     if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3206             __MINGW64_VERSION_MAJOR < 3"; then
3207         enable broken_snprintf
3208         add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3209     fi
3210 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3211     libc_type=newlib
3212 elif check_func_headers stdlib.h _get_doserrno; then
3213     libc_type=msvcrt
3214     enable broken_snprintf
3215     add_cflags -Dstrtod=avpriv_strtod
3216     add_cflags -Dsnprintf=avpriv_snprintf   \
3217                -D_snprintf=avpriv_snprintf  \
3218                -Dvsnprintf=avpriv_vsnprintf
3219 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3220     libc_type=klibc
3221 fi
3222
3223 test -n "$libc_type" && enable $libc_type
3224
3225 esc(){
3226     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3227 }
3228
3229 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3230
3231 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3232
3233 set_default $PATHS_LIST
3234 set_default nm
3235
3236 # we need to build at least one lib type
3237 if ! enabled_any static shared; then
3238     cat <<EOF
3239 At least one library type must be built.
3240 Specify --enable-static to build the static libraries or --enable-shared to
3241 build the shared libraries as well. To only build the shared libraries specify
3242 --disable-static in addition to --enable-shared.
3243 EOF
3244     exit 1;
3245 fi
3246
3247 die_license_disabled() {
3248     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3249 }
3250
3251 die_license_disabled_gpl() {
3252     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3253 }
3254
3255 die_license_disabled gpl libcdio
3256 die_license_disabled gpl libutvideo
3257 die_license_disabled gpl libx264
3258 die_license_disabled gpl libxavs
3259 die_license_disabled gpl libxvid
3260 die_license_disabled gpl x11grab
3261
3262 die_license_disabled nonfree libaacplus
3263 die_license_disabled nonfree libfaac
3264 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3265 enabled gpl && die_license_disabled_gpl nonfree openssl
3266
3267 die_license_disabled version3 libopencore_amrnb
3268 die_license_disabled version3 libopencore_amrwb
3269 die_license_disabled version3 libvo_aacenc
3270 die_license_disabled version3 libvo_amrwbenc
3271
3272 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3273
3274 disabled optimizations || check_cflags -fomit-frame-pointer
3275
3276 enable_pic() {
3277     enable pic
3278     add_cppflags -DPIC
3279     add_cflags   -fPIC
3280     add_asflags  -fPIC
3281 }
3282
3283 enabled pic && enable_pic
3284
3285 check_cc <<EOF || die "Symbol mangling check failed."
3286 int ff_extern;
3287 EOF
3288 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3289 extern_prefix=${sym%%ff_extern*}
3290
3291 check_cc <<EOF && enable_weak inline_asm
3292 void foo(void) { __asm__ volatile ("" ::); }
3293 EOF
3294
3295 _restrict=
3296 for restrict_keyword in restrict __restrict__ __restrict; do
3297     check_cc <<EOF && _restrict=$restrict_keyword && break
3298 void foo(char * $restrict_keyword p);
3299 EOF
3300 done
3301
3302 check_cc <<EOF && enable attribute_packed
3303 struct { int x; } __attribute__((packed)) x;
3304 EOF
3305
3306 check_cc <<EOF && enable attribute_may_alias
3307 union { int x; } __attribute__((may_alias)) x;
3308 EOF
3309
3310 check_cc <<EOF || die "endian test failed"
3311 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3312 EOF
3313 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3314
3315 if enabled alpha; then
3316
3317     check_cflags -mieee
3318
3319 elif enabled arm; then
3320
3321     enabled thumb && check_cflags -mthumb || check_cflags -marm
3322     nogas=die
3323
3324     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3325         enable vfp_args
3326     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3327         case "${cross_prefix:-$cc}" in
3328             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
3329             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3330 __asm__ (".eabi_attribute 28, 1");
3331 int main(void) { return 0; }
3332 EOF
3333         esac
3334         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3335     fi
3336
3337     enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
3338     enabled armv6   && check_inline_asm armv6   '"sadd16 r0, r0, r0"'
3339     enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
3340     enabled armvfp  && check_inline_asm armvfp  '"fadds s0, s0, s0"'
3341     enabled neon    && check_inline_asm neon    '"vadd.i16 q0, q0, q0"'
3342     enabled vfpv3   && check_inline_asm vfpv3   '"vmov.f32 s0, #1.0"'
3343
3344     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3345     check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3346
3347     enabled_all armv6t2 shared !pic && enable_pic
3348
3349 elif enabled mips; then
3350
3351     check_inline_asm loongson '"dmult.g $1, $2, $3"'
3352     enabled mmi && check_inline_asm mmi '"lq $2, 0($2)"'
3353     enabled mips32r2  && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3354      check_inline_asm mips32r2  '"rotr $t0, $t1, 1"'
3355     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3356      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3357     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3358      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3359     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3360      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
3361
3362 elif enabled ppc; then
3363
3364     enable local_aligned_8 local_aligned_16
3365
3366     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3367     check_inline_asm ibm_asm   '"add 0, 0, 0"'
3368     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'
3369     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3370
3371     # AltiVec flags: The FSF version of GCC differs from the Apple version
3372     if enabled altivec; then
3373         nogas=warn
3374         check_cflags -maltivec -mabi=altivec &&
3375         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3376         check_cflags -faltivec
3377
3378         # check if our compiler supports Motorola AltiVec C API
3379         check_cc <<EOF || disable altivec
3380 $inc_altivec_h
3381 int main(void) {
3382     vector signed int v1 = (vector signed int) { 0 };
3383     vector signed int v2 = (vector signed int) { 1 };
3384     v1 = vec_add(v1, v2);
3385     return 0;
3386 }
3387 EOF
3388
3389         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3390     fi
3391
3392 elif enabled sparc; then
3393
3394     enabled vis &&
3395         check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3396             add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3397
3398 elif enabled x86; then
3399
3400     check_code ld immintrin.h "return __xgetbv(0)" "cc" && enable xgetbv
3401     check_code ld intrin.h "int info[4]; __cpuid(info, 0)" "cc" && enable cpuid
3402     check_code ld intrin.h "__rdtsc()" "cc" && enable rdtsc
3403     check_code ld intrin.h "unsigned int x = __readeflags()" "cc" && enable rweflags
3404
3405     check_code ld mmintrin.h "_mm_empty()" "cc" && enable mm_empty
3406
3407     enable local_aligned_8 local_aligned_16
3408
3409     # check whether EBP is available on x86
3410     # As 'i' is stored on the stack, this program will crash
3411     # if the base pointer is used to access it because the
3412     # base pointer is cleared in the inline assembly code.
3413     check_exec_crash <<EOF && enable ebp_available
3414 volatile int i=0;
3415 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3416 return i;
3417 EOF
3418
3419     # check whether EBX is available on x86
3420     check_inline_asm ebx_available '""::"b"(0)' &&
3421         check_inline_asm ebx_available '"":::"%ebx"'
3422
3423     # check whether xmm clobbers are supported
3424     check_inline_asm xmm_clobbers '"":::"%xmm0"'
3425
3426     # check whether binutils is new enough to compile SSSE3/MMXEXT
3427     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'
3428     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3429
3430     if ! disabled_any asm mmx yasm; then
3431         if check_cmd $yasmexe --version; then
3432             enabled x86_64 && yasm_extra="-m amd64"
3433             yasm_debug="-g dwarf2"
3434         elif check_cmd nasm -v; then
3435             yasmexe=nasm
3436             yasm_debug="-g -F dwarf"
3437             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3438         fi
3439
3440         YASMFLAGS="-f $objformat $yasm_extra"
3441         enabled pic               && append YASMFLAGS "-DPIC"
3442         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3443         case "$objformat" in
3444             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3445         esac
3446
3447         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3448             die "yasm not found, use --disable-yasm for a crippled build"
3449         check_yasm "vextractf128 xmm0, ymm0, 0"      || disable avx_external
3450         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3451         check_yasm "CPU amdnop" && enable cpunop
3452     fi
3453
3454     case "$cpu" in
3455         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3456             disable fast_clz
3457         ;;
3458     esac
3459
3460 fi
3461
3462 if enabled asm; then
3463     as=${gas:=$as}
3464     check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3465         $nogas "GNU assembler not found, install gas-preprocessor"
3466 fi
3467
3468 check_ldflags -Wl,--as-needed
3469
3470 if check_func dlopen; then
3471     ldl=
3472 elif check_func dlopen -ldl; then
3473     ldl=-ldl
3474 fi
3475
3476 if enabled network; then
3477     check_type "sys/types.h sys/socket.h" socklen_t
3478     check_type netdb.h "struct addrinfo"
3479     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3480     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3481     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3482     check_type netinet/in.h "struct sockaddr_in6"
3483     check_type poll.h "struct pollfd"
3484     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3485     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3486     check_type netinet/sctp.h "struct sctp_event_subscribe"
3487     check_func getaddrinfo $network_extralibs
3488     # Prefer arpa/inet.h over winsock2
3489     if check_header arpa/inet.h ; then
3490         check_func closesocket
3491     elif check_header winsock2.h ; then
3492         check_func_headers winsock2.h closesocket -lws2 &&
3493             network_extralibs="-lws2" ||
3494         { check_func_headers winsock2.h closesocket -lws2_32 &&
3495             network_extralibs="-lws2_32"; }
3496         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3497         check_type ws2tcpip.h socklen_t
3498         check_type ws2tcpip.h "struct addrinfo"
3499         check_type ws2tcpip.h "struct group_source_req"
3500         check_type ws2tcpip.h "struct ip_mreq_source"
3501         check_type ws2tcpip.h "struct ipv6_mreq"
3502         check_type winsock2.h "struct pollfd"
3503         check_type ws2tcpip.h "struct sockaddr_in6"
3504         check_type ws2tcpip.h "struct sockaddr_storage"
3505         check_struct winsock2.h "struct sockaddr" sa_len
3506     else
3507         disable network
3508     fi
3509 fi
3510
3511 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3512 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3513
3514 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3515 check_func  fcntl
3516 check_func  fork
3517 check_func  gethrtime
3518 check_func  getopt
3519 check_func  getrusage
3520 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3521 check_func  gettimeofday
3522 check_func  inet_aton $network_extralibs
3523 check_func  isatty
3524 check_func  localtime_r
3525 check_func  ${malloc_prefix}memalign            && enable memalign
3526 check_func  mkstemp
3527 check_func  mmap
3528 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3529 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
3530 check_func  setrlimit
3531 check_func  strerror_r
3532 check_func  sched_getaffinity
3533 check_func  sysconf
3534 check_func  sysctl
3535 check_func  usleep
3536 check_func_headers conio.h kbhit
3537 check_func_headers windows.h PeekNamedPipe
3538 check_func_headers io.h setmode
3539 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3540 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3541 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3542 check_func_headers windows.h GetProcessAffinityMask
3543 check_func_headers windows.h GetProcessTimes
3544 check_func_headers windows.h GetSystemTimeAsFileTime
3545 check_func_headers windows.h MapViewOfFile
3546 check_func_headers windows.h Sleep
3547 check_func_headers windows.h VirtualAlloc
3548 check_func_headers glob.h glob
3549
3550 check_header direct.h
3551 check_header dlfcn.h
3552 check_header dxva.h
3553 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3554 check_header io.h
3555 check_header libcrystalhd/libcrystalhd_if.h
3556 check_header malloc.h
3557 check_header poll.h
3558 check_header sys/mman.h
3559 check_header sys/param.h
3560 check_header sys/resource.h
3561 check_header sys/select.h
3562 check_header sys/time.h
3563 check_header termios.h
3564 check_header unistd.h
3565 check_header vdpau/vdpau.h
3566 check_header vdpau/vdpau_x11.h
3567 check_header windows.h
3568 check_header X11/extensions/XvMClib.h
3569 check_header asm/types.h
3570
3571 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3572 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3573
3574 # check for VDA header
3575 if ! disabled vda && ! enabled ppc; then
3576     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3577         enable vda
3578         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3579     fi
3580 fi
3581
3582 if ! disabled w32threads && ! enabled pthreads; then
3583     check_func _beginthreadex && enable w32threads
3584 fi
3585
3586 # check for some common methods of building with pthread support
3587 # do this before the optional library checks as some of them require pthreads
3588 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3589     enable pthreads
3590     if check_func pthread_create; then
3591         :
3592     elif check_func pthread_create -pthread; then
3593         add_cflags -pthread
3594         add_extralibs -pthread
3595     elif check_func pthread_create -pthreads; then
3596         add_cflags -pthreads
3597         add_extralibs -pthreads
3598     elif check_func pthread_create -lpthreadGC2; then
3599         add_extralibs -lpthreadGC2
3600     elif ! check_lib pthread.h pthread_create -lpthread; then
3601         disable pthreads
3602     fi
3603 fi
3604
3605 for thread in $THREADS_LIST; do
3606     if enabled $thread; then
3607         test -n "$thread_type" &&
3608             die "ERROR: Only one thread type must be selected." ||
3609             thread_type="$thread"
3610     fi
3611 done
3612
3613 if enabled pthreads; then
3614   check_func pthread_cancel
3615 fi
3616
3617 check_lib math.h sin -lm && LIBM="-lm"
3618 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3619 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3620
3621 check_mathfunc cbrtf
3622 check_mathfunc exp2
3623 check_mathfunc exp2f
3624 check_mathfunc isinf
3625 check_mathfunc isnan
3626 check_mathfunc llrint
3627 check_mathfunc llrintf
3628 check_mathfunc log2
3629 check_mathfunc log2f
3630 check_mathfunc lrint
3631 check_mathfunc lrintf
3632 check_mathfunc rint
3633 check_mathfunc round
3634 check_mathfunc roundf
3635 check_mathfunc trunc
3636 check_mathfunc truncf
3637
3638 # these are off by default, so fail if requested and not available
3639 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3640 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3641 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3642 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3643 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
3644 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3645 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3646 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3647 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3648                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3649                         die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
3650 enabled libcaca    && require_pkg_config caca caca.h caca_create_canvas
3651 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3652 enabled libfdk_aac && require  libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3653 flite_libs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
3654 enabled libflite   && require2 libflite "flite/flite.h" flite_init $flite_libs
3655 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3656 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3657 enabled libilbc    && require  libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3658 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3659 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3660 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3661 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3662 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3663 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3664 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3665 enabled libopus    && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3666 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3667 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3668 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3669 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3670 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3671     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3672     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3673 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3674 enabled libtwolame && require  libtwolame twolame.h twolame_init -ltwolame &&
3675                       { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
3676                         die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
3677 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3678 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3679 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3680 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3681 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3682 enabled libvpx     && {
3683     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3684                                 die "ERROR: libvpx decoder must be installed and version must be >=0.9.1"; }
3685     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
3686                                 die "ERROR: libvpx encoder version must be >=0.9.7"; } }
3687 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3688                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3689                         die "ERROR: libx264 must be installed and version must be >= 0.118."; }
3690 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3691 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3692 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3693                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3694                         die "ERROR: openal not found"; } &&
3695                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3696                         die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
3697 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3698                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3699                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3700                         die "ERROR: openssl not found"; }
3701
3702 if enabled gnutls; then
3703     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3704     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3705 fi
3706
3707 # libdc1394 check
3708 if enabled libdc1394; then
3709     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3710         enable libdc1394_2; } ||
3711     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3712         enable libdc1394_1; } ||
3713     die "ERROR: No version of libdc1394 found "
3714 fi
3715
3716 SDL_CONFIG="${cross_prefix}sdl-config"
3717 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3718     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3719     enable sdl &&
3720     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3721 else
3722   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3723     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3724     sdl_libs=$("${SDL_CONFIG}" --libs)
3725     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3726     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3727     enable sdl &&
3728     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3729   fi
3730 fi
3731 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3732
3733 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
3734 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3735 perl --version > /dev/null 2>&1 && enable perl || disable perl
3736 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
3737
3738 check_header linux/fb.h
3739 check_header linux/videodev.h
3740 check_header linux/videodev2.h
3741 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3742
3743 check_header sys/videoio.h
3744
3745 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3746 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3747 # w32api 3.12 had it defined wrong
3748 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3749
3750 check_type "dshow.h" IBaseFilter
3751
3752 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3753 { check_header dev/bktr/ioctl_meteor.h &&
3754   check_header dev/bktr/ioctl_bt848.h; } ||
3755 { check_header machine/ioctl_meteor.h &&
3756   check_header machine/ioctl_bt848.h; } ||
3757 { check_header dev/video/meteor/ioctl_meteor.h &&
3758   check_header dev/video/bktr/ioctl_bt848.h; } ||
3759 check_header dev/ic/bt8xx.h
3760
3761 check_header sndio.h
3762 if check_struct sys/soundcard.h audio_buf_info bytes; then
3763     enable_safe sys/soundcard.h
3764 else
3765     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3766     #include <sys/soundcard.h>
3767     audio_buf_info abc;
3768 EOF
3769 fi
3770 check_header soundcard.h
3771
3772 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3773
3774 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
3775     check_func jack_port_get_latency_range -ljack
3776
3777 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3778
3779 enabled libcdio &&
3780     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3781
3782 enabled x11grab                                           &&
3783 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3784 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3785 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3786
3787 if ! disabled vaapi; then
3788     check_lib va/va.h vaInitialize -lva && {
3789         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3790         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3791     } || disable vaapi
3792 fi
3793
3794 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3795     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3796         { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." && disable vdpau; }
3797 fi
3798
3799 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3800 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3801 test -n "$valgrind" && target_exec="$valgrind --error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3802
3803 # add some useful compiler flags if supported
3804 check_cflags -Wdeclaration-after-statement
3805 check_cflags -Wall
3806 check_cflags -Wno-parentheses
3807 check_cflags -Wno-switch
3808 check_cflags -Wno-format-zero-length
3809 check_cflags -Wdisabled-optimization
3810 check_cflags -Wpointer-arith
3811 check_cflags -Wredundant-decls
3812 check_cflags -Wno-pointer-sign
3813 check_cflags -Wwrite-strings
3814 check_cflags -Wtype-limits
3815 check_cflags -Wundef
3816 check_cflags -Wmissing-prototypes
3817 check_cflags -Wno-pointer-to-int-cast
3818 check_cflags -Wstrict-prototypes
3819 enabled extra_warnings && check_cflags -Winline
3820
3821 # add some linker flags
3822 check_ldflags -Wl,--warn-common
3823 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3824 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3825
3826 enabled xmm_clobber_test &&
3827     check_ldflags -Wl,--wrap,avcodec_open2              \
3828                   -Wl,--wrap,avcodec_decode_audio4      \
3829                   -Wl,--wrap,avcodec_decode_video2      \
3830                   -Wl,--wrap,avcodec_decode_subtitle2   \
3831                   -Wl,--wrap,avcodec_encode_audio2      \
3832                   -Wl,--wrap,avcodec_encode_video       \
3833                   -Wl,--wrap,avcodec_encode_subtitle    \
3834                   -Wl,--wrap,sws_scale ||
3835     disable xmm_clobber_test
3836
3837 echo "X{};" > $TMPV
3838 if test_ldflags -Wl,--version-script,$TMPV; then
3839     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3840     check_cc <<EOF && enable symver_asm_label
3841 void ff_foo(void) __asm__ ("av_foo@VERSION");
3842 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3843 EOF
3844     check_cc <<EOF && enable symver_gnu_asm
3845 __asm__(".symver ff_foo,av_foo@VERSION");
3846 void ff_foo(void) {}
3847 EOF
3848 fi
3849
3850 if [ -n "$optflags" ]; then
3851     add_cflags $optflags
3852 elif enabled small; then
3853     add_cflags $cflags_size
3854 elif enabled optimizations; then
3855     add_cflags $cflags_speed
3856 else
3857     add_cflags $cflags_noopt
3858 fi
3859 check_cflags -fno-math-errno
3860 check_cflags -fno-signed-zeros
3861 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3862 int x;
3863 EOF
3864
3865
3866 if enabled icc; then
3867     # Just warnings, no remarks
3868     check_cflags -w1
3869     # -wd: Disable following warnings
3870     # 144, 167, 556: -Wno-pointer-sign
3871     # 1292: attribute "foo" ignored
3872     # 1419: external declaration in primary source file
3873     # 10006: ignoring unknown option -fno-signed-zeros
3874     # 10148: ignoring unknown option -Wno-parentheses
3875     # 10156: ignoring option '-W'; no argument required
3876     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3877     # 11030: Warning unknown option --as-needed
3878     # 10156: ignoring option '-export'; no argument required
3879     check_ldflags -wd10156,11030
3880     # Allow to compile with optimizations
3881     check_ldflags -march=$cpu
3882     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3883     enable ebp_available
3884     if enabled x86_32; then
3885         icc_version=$($cc -dumpversion)
3886         test ${icc_version%%.*} -ge 11 &&
3887             check_cflags -falign-stack=maintain-16-byte ||
3888             disable aligned_stack
3889     fi
3890 elif enabled ccc; then
3891     # disable some annoying warnings
3892     add_cflags -msg_disable cvtu32to64
3893     add_cflags -msg_disable embedcomment
3894     add_cflags -msg_disable needconstext
3895     add_cflags -msg_disable nomainieee
3896     add_cflags -msg_disable ptrmismatch1
3897     add_cflags -msg_disable unreachcode
3898 elif enabled gcc; then
3899     check_cflags -fno-tree-vectorize
3900     check_cflags -Werror=implicit-function-declaration
3901     check_cflags -Werror=missing-prototypes
3902 elif enabled llvm_gcc; then
3903     check_cflags -mllvm -stack-alignment=16
3904 elif enabled clang; then
3905     check_cflags -mllvm -stack-alignment=16
3906     check_cflags -Qunused-arguments
3907 elif enabled armcc; then
3908     # 2523: use of inline assembler is deprecated
3909     add_cflags -W${armcc_opt},--diag_suppress=2523
3910     add_cflags -W${armcc_opt},--diag_suppress=1207
3911     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3912     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3913     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3914     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3915 elif enabled tms470; then
3916     add_cflags -pds=824 -pds=837
3917 elif enabled pathscale; then
3918     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3919 elif enabled msvc; then
3920     enabled x86_32 && disable aligned_stack
3921 fi
3922
3923 enabled_any $THREADS_LIST      && enable threads
3924
3925 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3926
3927 check_deps $CONFIG_LIST       \
3928            $CONFIG_EXTRA      \
3929            $HAVE_LIST         \
3930            $ALL_COMPONENTS    \
3931            $ALL_TESTS         \
3932
3933
3934 if test $target_os = "haiku"; then
3935     disable memalign
3936     disable posix_memalign
3937 fi
3938
3939 ! enabled_any memalign posix_memalign aligned_malloc &&
3940     enabled_any $need_memalign && enable memalign_hack
3941
3942 # add_dep lib dep
3943 # -> enable ${lib}_deps_${dep}
3944 # -> add $dep to ${lib}_deps only once
3945 add_dep() {
3946     lib=$1
3947     dep=$2
3948     enabled "${lib}_deps_${dep}" && return 0
3949     enable  "${lib}_deps_${dep}"
3950     prepend "${lib}_deps" $dep
3951 }
3952
3953 # merge deps lib components
3954 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3955 merge_deps() {
3956     lib=$1
3957     shift
3958     for comp in $*; do
3959         enabled $comp || continue
3960         eval "dep=\"\$${comp}_deps\""
3961         for d in $dep; do
3962             add_dep $lib $d
3963         done
3964     done
3965 }
3966
3967 merge_deps libavfilter $FILTER_LIST
3968
3969 echo "install prefix            $prefix"
3970 echo "source path               $source_path"
3971 echo "C compiler                $cc"
3972 echo "ARCH                      $arch ($cpu)"
3973 if test "$build_suffix" != ""; then
3974     echo "build suffix              $build_suffix"
3975 fi
3976 if test "$progs_suffix" != ""; then
3977     echo "progs suffix              $progs_suffix"
3978 fi
3979 if test "$extra_version" != ""; then
3980     echo "version string suffix     $extra_version"
3981 fi
3982 echo "big-endian                ${bigendian-no}"
3983 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3984 if enabled x86; then
3985     echo "${yasmexe}                      ${yasm-no}"
3986     echo "MMX enabled               ${mmx-no}"
3987     echo "MMXEXT enabled            ${mmxext-no}"
3988     echo "3DNow! enabled            ${amd3dnow-no}"
3989     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3990     echo "SSE enabled               ${sse-no}"
3991     echo "SSSE3 enabled             ${ssse3-no}"
3992     echo "AVX enabled               ${avx-no}"
3993     echo "FMA4 enabled              ${fma4-no}"
3994     echo "CMOV enabled              ${cmov-no}"
3995     echo "CMOV is fast              ${fast_cmov-no}"
3996     echo "EBX available             ${ebx_available-no}"
3997     echo "EBP available             ${ebp_available-no}"
3998 fi
3999 if enabled arm; then
4000     echo "ARMv5TE enabled           ${armv5te-no}"
4001     echo "ARMv6 enabled             ${armv6-no}"
4002     echo "ARMv6T2 enabled           ${armv6t2-no}"
4003     echo "ARM VFP enabled           ${armvfp-no}"
4004     echo "NEON enabled              ${neon-no}"
4005 fi
4006 if enabled mips; then
4007     echo "MMI enabled               ${mmi-no}"
4008     echo "MIPS FPU enabled          ${mipsfpu-no}"
4009     echo "MIPS32R2 enabled          ${mips32r2-no}"
4010     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
4011     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
4012 fi
4013 if enabled ppc; then
4014     echo "AltiVec enabled           ${altivec-no}"
4015     echo "PPC 4xx optimizations     ${ppc4xx-no}"
4016     echo "dcbzl available           ${dcbzl-no}"
4017 fi
4018 if enabled sparc; then
4019     echo "VIS enabled               ${vis-no}"
4020 fi
4021 echo "debug symbols             ${debug-no}"
4022 echo "strip symbols             ${stripping-no}"
4023 echo "optimize for size         ${small-no}"
4024 echo "optimizations             ${optimizations-no}"
4025 echo "static                    ${static-no}"
4026 echo "shared                    ${shared-no}"
4027 echo "postprocessing support    ${postproc-no}"
4028 echo "new filter support        ${avfilter-no}"
4029 echo "network support           ${network-no}"
4030 echo "threading support         ${thread_type-no}"
4031 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
4032 echo "SDL support               ${sdl-no}"
4033 echo "libdxva2 enabled          ${dxva2-no}"
4034 echo "libva enabled             ${vaapi-no}"
4035 echo "libvdpau enabled          ${vdpau-no}"
4036 echo "AVISynth enabled          ${avisynth-no}"
4037 echo "frei0r enabled            ${frei0r-no}"
4038 echo "gnutls enabled            ${gnutls-no}"
4039 echo "libaacplus enabled        ${libaacplus-no}"
4040 echo "libass enabled            ${libass-no}"
4041 echo "libcaca enabled           ${libcaca-no}"
4042 echo "libcdio support           ${libcdio-no}"
4043 echo "libcelt enabled           ${libcelt-no}"
4044 echo "libdc1394 support         ${libdc1394-no}"
4045 echo "libfaac enabled           ${libfaac-no}"
4046 echo "libfdk-aac enabled        ${libfdk_aac-no}"
4047 echo "libgsm enabled            ${libgsm-no}"
4048 echo "libiec61883 support       ${libiec61883-no}"
4049 echo "libilbc enabled           ${libilbc-no}"
4050 echo "libmodplug enabled        ${libmodplug-no}"
4051 echo "libmp3lame enabled        ${libmp3lame-no}"
4052 echo "libnut enabled            ${libnut-no}"
4053 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
4054 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
4055 echo "libopencv support         ${libopencv-no}"
4056 echo "libopenjpeg enabled       ${libopenjpeg-no}"
4057 echo "libopus enabled           ${libopus-no}"
4058 echo "libpulse enabled          ${libpulse-no}"
4059 echo "librtmp enabled           ${librtmp-no}"
4060 echo "libschroedinger enabled   ${libschroedinger-no}"
4061 echo "libspeex enabled          ${libspeex-no}"
4062 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
4063 echo "libtheora enabled         ${libtheora-no}"
4064 echo "libtwolame enabled        ${libtwolame-no}"
4065 echo "libutvideo enabled        ${libutvideo-no}"
4066 echo "libv4l2 enabled           ${libv4l2-no}"
4067 echo "libvo-aacenc support      ${libvo_aacenc-no}"
4068 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
4069 echo "libvorbis enabled         ${libvorbis-no}"
4070 echo "libvpx enabled            ${libvpx-no}"
4071 echo "libx264 enabled           ${libx264-no}"
4072 echo "libxavs enabled           ${libxavs-no}"
4073 echo "libxvid enabled           ${libxvid-no}"
4074 echo "openal enabled            ${openal-no}"
4075 echo "openssl enabled           ${openssl-no}"
4076 echo "zlib enabled              ${zlib-no}"
4077 echo "bzlib enabled             ${bzlib-no}"
4078 echo "texi2html enabled         ${texi2html-no}"
4079 echo "perl enabled              ${perl-no}"
4080 echo "pod2man enabled           ${pod2man-no}"
4081 echo "makeinfo enabled          ${makeinfo-no}"
4082 test -n "$random_seed" &&
4083     echo "random seed               ${random_seed}"
4084 echo
4085
4086 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4087     echo "Enabled ${type}s:"
4088     eval list=\$$(toupper $type)_LIST
4089     print_enabled '_*' $list | sort | pr -r -3 -t
4090     echo
4091 done
4092
4093 license="LGPL version 2.1 or later"
4094 if enabled nonfree; then
4095     license="nonfree and unredistributable"
4096 elif enabled gplv3; then
4097     license="GPL version 3 or later"
4098 elif enabled lgplv3; then
4099     license="LGPL version 3 or later"
4100 elif enabled gpl; then
4101     license="GPL version 2 or later"
4102 fi
4103
4104 echo "License: $license"
4105
4106 echo "Creating config.mak and config.h..."
4107
4108 test -e Makefile || $ln_s "$source_path/Makefile" .
4109
4110 enabled stripping || strip="echo skipping strip"
4111
4112 config_files="$TMPH config.mak"
4113
4114 cat > config.mak <<EOF
4115 # Automatically generated by configure - do not modify!
4116 ifndef FFMPEG_CONFIG_MAK
4117 FFMPEG_CONFIG_MAK=1
4118 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4119 prefix=$prefix
4120 LIBDIR=\$(DESTDIR)$libdir
4121 SHLIBDIR=\$(DESTDIR)$shlibdir
4122 INCDIR=\$(DESTDIR)$incdir
4123 BINDIR=\$(DESTDIR)$bindir
4124 DATADIR=\$(DESTDIR)$datadir
4125 MANDIR=\$(DESTDIR)$mandir
4126 SRC_PATH=$source_path
4127 ifndef MAIN_MAKEFILE
4128 SRC_PATH:=\$(SRC_PATH:.%=..%)
4129 endif
4130 CC_IDENT=$cc_ident
4131 ARCH=$arch
4132 CC=$cc
4133 CXX=$cxx
4134 AS=$as
4135 LD=$ld
4136 DEPCC=$dep_cc
4137 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4138 DEPAS=$as
4139 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4140 YASM=$yasmexe
4141 DEPYASM=$yasmexe
4142 AR=$ar
4143 ARFLAGS=$arflags
4144 AR_O=$ar_o
4145 RANLIB=$ranlib
4146 CP=cp -p
4147 LN_S=$ln_s
4148 STRIP=$strip
4149 CPPFLAGS=$CPPFLAGS
4150 CFLAGS=$CFLAGS
4151 CXXFLAGS=$CXXFLAGS
4152 ASFLAGS=$ASFLAGS
4153 AS_C=$AS_C
4154 AS_O=$AS_O
4155 CC_C=$CC_C
4156 CC_O=$CC_O
4157 CXX_C=$CXX_C
4158 CXX_O=$CXX_O
4159 LD_O=$LD_O
4160 LD_LIB=$LD_LIB
4161 LD_PATH=$LD_PATH
4162 DLLTOOL=$dlltool
4163 LDFLAGS=$LDFLAGS
4164 LDFLAGS-ffserver=$FFSERVERLDFLAGS
4165 SHFLAGS=$SHFLAGS
4166 YASMFLAGS=$YASMFLAGS
4167 BUILDSUF=$build_suffix
4168 PROGSSUF=$progs_suffix
4169 FULLNAME=$FULLNAME
4170 LIBPREF=$LIBPREF
4171 LIBSUF=$LIBSUF
4172 LIBNAME=$LIBNAME
4173 SLIBPREF=$SLIBPREF
4174 SLIBSUF=$SLIBSUF
4175 EXESUF=$EXESUF
4176 EXTRA_VERSION=$extra_version
4177 CCDEP=$CCDEP
4178 CXXDEP=$CXXDEP
4179 CCDEP_FLAGS=$CCDEP_FLAGS
4180 ASDEP=$ASDEP
4181 ASDEP_FLAGS=$ASDEP_FLAGS
4182 CC_DEPFLAGS=$CC_DEPFLAGS
4183 AS_DEPFLAGS=$AS_DEPFLAGS
4184 HOSTCC=$host_cc
4185 HOSTLD=$host_ld
4186 HOSTCFLAGS=$host_cflags
4187 HOSTEXESUF=$HOSTEXESUF
4188 HOSTLDFLAGS=$host_ldflags
4189 HOSTLIBS=$host_libs
4190 DEPHOSTCC=$host_cc
4191 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4192 HOSTCCDEP=$HOSTCCDEP
4193 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4194 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4195 HOSTCC_C=$HOSTCC_C
4196 HOSTCC_O=$HOSTCC_O
4197 HOSTLD_O=$HOSTLD_O
4198 TARGET_EXEC=$target_exec
4199 TARGET_PATH=$target_path
4200 LIBS-ffplay=$sdl_libs
4201 CFLAGS-ffplay=$sdl_cflags
4202 ZLIB=$($ldflags_filter -lz)
4203 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4204 EXTRALIBS=$extralibs
4205 INSTALL=$install
4206 LIBTARGET=${LIBTARGET}
4207 SLIBNAME=${SLIBNAME}
4208 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4209 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4210 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4211 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4212 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4213 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4214 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4215 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4216 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4217 NOREDZONE_FLAGS=$noredzone_flags
4218 EOF
4219
4220 get_version(){
4221     lcname=$1
4222     name=$(toupper $lcname)
4223     file=$source_path/$lcname/version.h
4224     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4225     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4226     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4227     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4228 }
4229
4230 get_version_old(){
4231     name=$1
4232     file=$source_path/$2
4233 # This condition will be removed when we stop supporting old libpostproc versions
4234 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
4235     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4236     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4237 fi
4238     lcname=$(tolower $name)
4239     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4240     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4241 }
4242
4243 get_version_old LIBPOSTPROC libpostproc/version.h
4244
4245 get_version libavcodec
4246 get_version libavdevice
4247 get_version libavfilter
4248 get_version libavformat
4249 get_version libavresample
4250 get_version libavutil
4251 get_version libswresample
4252 get_version libswscale
4253
4254 cat > $TMPH <<EOF
4255 /* Automatically generated by configure - do not modify! */
4256 #ifndef FFMPEG_CONFIG_H
4257 #define FFMPEG_CONFIG_H
4258 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4259 #define FFMPEG_LICENSE "$(c_escape $license)"
4260 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4261 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4262 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4263 #define av_restrict $_restrict
4264 #define EXTERN_PREFIX "${extern_prefix}"
4265 #define EXTERN_ASM ${extern_prefix}
4266 #define SLIBSUF "$SLIBSUF"
4267 #define HAVE_MMX2 HAVE_MMXEXT
4268 EOF
4269
4270 test -n "$assert_level" &&
4271     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4272
4273 test -n "$malloc_prefix" &&
4274     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4275
4276 if enabled yasm; then
4277     append config_files $TMPASM
4278     printf '' >$TMPASM
4279 fi
4280
4281 print_config ARCH_   "$config_files" $ARCH_LIST
4282 print_config HAVE_   "$config_files" $HAVE_LIST
4283 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
4284                                      $CONFIG_EXTRA      \
4285                                      $ALL_COMPONENTS    \
4286
4287 cat >>config.mak <<EOF
4288 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
4289 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
4290 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
4291 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
4292 EOF
4293
4294 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4295 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4296
4297 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4298 cp_if_changed $TMPH config.h
4299 touch .config
4300
4301 enabled yasm && cp_if_changed $TMPASM config.asm
4302
4303 cat > $TMPH <<EOF
4304 /* Generated by ffconf */
4305 #ifndef AVUTIL_AVCONFIG_H
4306 #define AVUTIL_AVCONFIG_H
4307 EOF
4308
4309 test "$postproc_version" != current && cat >> $TMPH <<EOF
4310 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
4311 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
4312 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
4313 EOF
4314
4315 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4316
4317 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4318
4319 cp_if_changed $TMPH libavutil/avconfig.h
4320
4321 test -n "$WARNINGS" && printf "\n$WARNINGS"
4322
4323 # build pkg-config files
4324
4325 pkgconfig_generate(){
4326     name=$1
4327     shortname=${name#lib}${build_suffix}
4328     comment=$2
4329     version=$3
4330     libs=$4
4331     requires=$5
4332     enabled ${name#lib} || return 0
4333     mkdir -p $name
4334     cat <<EOF > $name/$name.pc
4335 prefix=$prefix
4336 exec_prefix=\${prefix}
4337 libdir=$libdir
4338 includedir=$incdir
4339
4340 Name: $name
4341 Description: $comment
4342 Version: $version
4343 Requires: $(enabled shared || echo $requires)
4344 Requires.private: $(enabled shared && echo $requires)
4345 Conflicts:
4346 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4347 Libs.private: $(enabled shared && echo $libs)
4348 Cflags: -I\${includedir}
4349 EOF
4350
4351 mkdir -p doc/examples/pc-uninstalled
4352 includedir=${source_path}
4353 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4354     cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4355 prefix=
4356 exec_prefix=
4357 libdir=\${pcfiledir}/../../../$name
4358 includedir=${includedir}
4359
4360 Name: $name
4361 Description: $comment
4362 Version: $version
4363 Requires: $requires
4364 Conflicts:
4365 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4366 Cflags: -I\${includedir}
4367 EOF
4368 }
4369
4370 libavfilter_pc_deps=""
4371 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
4372 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
4373 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
4374 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
4375 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
4376 libavfilter_pc_deps=${libavfilter_pc_deps%, }
4377
4378 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
4379 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
4380
4381 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4382 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
4383 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
4384 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
4385 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
4386 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
4387 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
4388 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4389 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4390
4391 fix_ffmpeg_remote(){
4392     git_remote_from=$1
4393     git_remote_to=$2
4394     fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
4395     if [ "$fixme_remote" != "" ]; then
4396         echolog "
4397 Outdated domain in git config, the official domain for ffmpeg git is since
4398 November 2011, source.ffmpeg.org, both the old and the new point to the same
4399 repository and server. To update it enter the following commands:
4400 "
4401         for remote in $fixme_remote; do
4402             echolog "git remote set-url $remote $git_remote_to"
4403         done
4404     fi
4405 }
4406
4407 if test -f "$source_path/.git/config"; then
4408     remote_from=git.videolan.org
4409     remote_to=source.ffmpeg.org
4410     fix_ffmpeg_remote git@$remote_from:ffmpeg   git@$remote_to:ffmpeg
4411     fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg
4412 fi