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_PUB='
1247     bigendian
1248     fast_unaligned
1249     incompatible_fork_abi
1250 '
1251
1252 HAVE_LIST="
1253     $ARCH_EXT_LIST
1254     $(add_suffix _external $ARCH_EXT_LIST)
1255     $(add_suffix _inline   $ARCH_EXT_LIST)
1256     $HAVE_LIST_PUB
1257     $THREADS_LIST
1258     aligned_malloc
1259     aligned_stack
1260     alsa_asoundlib_h
1261     altivec_h
1262     arpa_inet_h
1263     asm_mod_q
1264     asm_mod_y
1265     asm_types_h
1266     attribute_may_alias
1267     attribute_packed
1268     broken_snprintf
1269     cbrtf
1270     clock_gettime
1271     closesocket
1272     cmov
1273     cpuid
1274     cpunop
1275     dcbzl
1276     dev_bktr_ioctl_bt848_h
1277     dev_bktr_ioctl_meteor_h
1278     dev_ic_bt8xx_h
1279     dev_video_bktr_ioctl_bt848_h
1280     dev_video_meteor_ioctl_meteor_h
1281     direct_h
1282     dlfcn_h
1283     dlopen
1284     dos_paths
1285     dxva_h
1286     ebp_available
1287     ebx_available
1288     exp2
1289     exp2f
1290     fast_64bit
1291     fast_clz
1292     fast_cmov
1293     fcntl
1294     fork
1295     getaddrinfo
1296     gethrtime
1297     getopt
1298     GetProcessAffinityMask
1299     GetProcessMemoryInfo
1300     GetProcessTimes
1301     GetSystemTimeAsFileTime
1302     getrusage
1303     gettimeofday
1304     glob
1305     gnu_as
1306     ibm_asm
1307     inet_aton
1308     inline_asm
1309     io_h
1310     isatty
1311     isinf
1312     isnan
1313     jack_port_get_latency_range
1314     kbhit
1315     ldbrx
1316     libdc1394_1
1317     libdc1394_2
1318     llrint
1319     llrintf
1320     local_aligned_16
1321     local_aligned_8
1322     localtime_r
1323     log2
1324     log2f
1325     loongson
1326     lrint
1327     lrintf
1328     lzo1x_999_compress
1329     machine_ioctl_bt848_h
1330     machine_ioctl_meteor_h
1331     makeinfo
1332     malloc_h
1333     MapViewOfFile
1334     memalign
1335     mkstemp
1336     mm_empty
1337     mmap
1338     msvcrt
1339     nanosleep
1340     PeekNamedPipe
1341     perl
1342     pod2man
1343     poll_h
1344     posix_memalign
1345     pthread_cancel
1346     rdtsc
1347     rint
1348     round
1349     roundf
1350     rweflags
1351     sched_getaffinity
1352     sdl
1353     sdl_video_size
1354     setmode
1355     setrlimit
1356     Sleep
1357     sndio_h
1358     socklen_t
1359     soundcard_h
1360     strerror_r
1361     struct_addrinfo
1362     struct_group_source_req
1363     struct_ip_mreq_source
1364     struct_ipv6_mreq
1365     struct_pollfd
1366     struct_rusage_ru_maxrss
1367     struct_sctp_event_subscribe
1368     struct_sockaddr_in6
1369     struct_sockaddr_sa_len
1370     struct_sockaddr_storage
1371     struct_v4l2_frmivalenum_discrete
1372     symver
1373     symver_asm_label
1374     symver_gnu_asm
1375     sysconf
1376     sysctl
1377     sys_mman_h
1378     sys_param_h
1379     sys_resource_h
1380     sys_select_h
1381     sys_soundcard_h
1382     sys_time_h
1383     sys_videoio_h
1384     termios_h
1385     texi2html
1386     threads
1387     trunc
1388     truncf
1389     unistd_h
1390     usleep
1391     vfp_args
1392     VirtualAlloc
1393     windows_h
1394     winsock2_h
1395     xform_asm
1396     xgetbv
1397     xmm_clobbers
1398     yasm
1399 "
1400
1401 # options emitted with CONFIG_ prefix but not available on command line
1402 CONFIG_EXTRA="
1403     aandcttables
1404     ac3dsp
1405     avutil
1406     error_resilience
1407     gcrypt
1408     golomb
1409     gplv3
1410     h264chroma
1411     h264dsp
1412     h264pred
1413     h264qpel
1414     huffman
1415     lgplv3
1416     lpc
1417     mpegaudiodsp
1418     mpegvideo
1419     mpegvideoenc
1420     nettle
1421     rangecoder
1422     rtpdec
1423     sinewin
1424     vp3dsp
1425 "
1426
1427 CMDLINE_SELECT="
1428     $ARCH_EXT_LIST
1429     $CONFIG_LIST
1430     $THREADS_LIST
1431     asm
1432     coverage
1433     cross_compile
1434     debug
1435     extra_warnings
1436     inline_asm
1437     logging
1438     optimizations
1439     stripping
1440     symver
1441     yasm
1442 "
1443
1444 PATHS_LIST='
1445     bindir
1446     datadir
1447     incdir
1448     libdir
1449     mandir
1450     prefix
1451     shlibdir
1452 '
1453
1454 CMDLINE_SET="
1455     $PATHS_LIST
1456     ar
1457     arch
1458     as
1459     assert_level
1460     build_suffix
1461     cc
1462     cpu
1463     cross_prefix
1464     cxx
1465     dep_cc
1466     extra_version
1467     host_cc
1468     host_cflags
1469     host_ld
1470     host_ldflags
1471     host_libs
1472     host_os
1473     install
1474     ld
1475     logfile
1476     malloc_prefix
1477     nm
1478     optflags
1479     pkg_config
1480     postproc_version
1481     progs_suffix
1482     random_seed
1483     samples
1484     strip
1485     sysinclude
1486     sysroot
1487     target_exec
1488     target_os
1489     target_path
1490     toolchain
1491     valgrind
1492     yasmexe
1493 "
1494
1495 CMDLINE_APPEND="
1496     extra_cflags
1497     extra_cxxflags
1498 "
1499
1500 # code dependency declarations
1501
1502 # architecture extensions
1503
1504 armv5te_deps="arm"
1505 armv6_deps="arm"
1506 armv6t2_deps="arm"
1507 armvfp_deps="arm"
1508 neon_deps="arm"
1509 vfpv3_deps="armvfp"
1510
1511 mipsfpu_deps="mips"
1512 mips32r2_deps="mips"
1513 mipsdspr1_deps="mips"
1514 mipsdspr2_deps="mips"
1515 mmi_deps="mips"
1516
1517 altivec_deps="ppc"
1518 ppc4xx_deps="ppc"
1519
1520 vis_deps="sparc"
1521
1522 x86_64_suggest="cmov fast_cmov"
1523
1524 amd3dnow_deps="mmx"
1525 amd3dnowext_deps="amd3dnow"
1526 mmx_deps="x86"
1527 mmxext_deps="mmx"
1528 sse_deps="mmxext"
1529 sse2_deps="sse"
1530 sse3_deps="sse2"
1531 ssse3_deps="sse3"
1532 sse4_deps="ssse3"
1533 sse42_deps="sse4"
1534 avx_deps="sse42"
1535 fma4_deps="avx"
1536
1537 mmx_external_deps="yasm"
1538 mmx_inline_deps="inline_asm"
1539 mmx_suggest="mmx_external mmx_inline"
1540
1541 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1542     eval dep=\$${ext}_deps
1543     eval ${ext}_external_deps='"${dep}_external"'
1544     eval ${ext}_inline_deps='"${dep}_inline"'
1545     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1546 done
1547
1548 aligned_stack_if_any="ppc x86"
1549 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1550 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1551 fast_unaligned_if_any="armv6 ppc x86"
1552
1553 inline_asm_deps="!tms470"
1554 need_memalign="altivec neon sse"
1555
1556 symver_if_any="symver_asm_label symver_gnu_asm"
1557
1558 log2_deps="!msvcrt"
1559
1560 # subsystems
1561 dct_select="rdft"
1562 mdct_select="fft"
1563 rdft_select="fft"
1564 mpegaudiodsp_select="dct"
1565 mpegvideoenc_select="mpegvideo"
1566
1567 # decoders / encoders / hardware accelerators
1568 aac_decoder_select="mdct sinewin"
1569 aac_encoder_select="mdct sinewin"
1570 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1571 ac3_decoder_select="mdct ac3dsp ac3_parser"
1572 ac3_encoder_select="mdct ac3dsp"
1573 ac3_fixed_encoder_select="mdct ac3dsp"
1574 alac_encoder_select="lpc"
1575 amrnb_decoder_select="lsp"
1576 amrwb_decoder_select="lsp"
1577 amv_encoder_select="aandcttables"
1578 atrac1_decoder_select="mdct sinewin"
1579 atrac3_decoder_select="mdct"
1580 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1581 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1582 cavs_decoder_select="golomb mpegvideo"
1583 cook_decoder_select="mdct sinewin"
1584 cscd_decoder_suggest="zlib"
1585 dca_decoder_select="mdct"
1586 dirac_decoder_select="dwt golomb"
1587 dnxhd_encoder_select="aandcttables mpegvideoenc"
1588 dxa_decoder_select="zlib"
1589 eac3_decoder_select="ac3_decoder"
1590 eac3_encoder_select="ac3_encoder"
1591 eamad_decoder_select="aandcttables error_resilience mpegvideo"
1592 eatgq_decoder_select="aandcttables"
1593 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1594 exr_decoder_select="zlib"
1595 ffv1_decoder_select="golomb rangecoder"
1596 ffv1_encoder_select="rangecoder"
1597 ffvhuff_encoder_select="huffman"
1598 flac_decoder_select="golomb"
1599 flac_encoder_select="golomb lpc"
1600 flashsv_decoder_select="zlib"
1601 flashsv_encoder_select="zlib"
1602 flashsv2_encoder_select="zlib"
1603 flashsv2_decoder_select="zlib"
1604 flv_decoder_select="h263_decoder"
1605 flv_encoder_select="h263_encoder"
1606 fraps_decoder_select="huffman"
1607 h261_decoder_select="error_resilience mpegvideo"
1608 h261_encoder_select="aandcttables mpegvideoenc"
1609 h263_decoder_select="error_resilience h263_parser mpegvideo"
1610 h263_encoder_select="aandcttables error_resilience mpegvideoenc"
1611 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1612 h263i_decoder_select="h263_decoder"
1613 h263p_encoder_select="h263_encoder"
1614 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1615 h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1616 h264_dxva2_hwaccel_deps="dxva2api_h"
1617 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1618 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1619 h264_vda_decoder_select="vda h264_parser h264_decoder"
1620 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1621 h264_vda_hwaccel_select="vda h264_decoder"
1622 h264_vdpau_decoder_select="vdpau h264_decoder"
1623 huffyuv_encoder_select="huffman"
1624 iac_decoder_select="fft mdct sinewin"
1625 imc_decoder_select="fft mdct sinewin"
1626 jpegls_decoder_select="golomb"
1627 jpegls_encoder_select="golomb"
1628 ljpeg_encoder_select="aandcttables mpegvideoenc"
1629 loco_decoder_select="golomb"
1630 mdec_decoder_select="error_resilience mpegvideo"
1631 mjpeg_encoder_select="aandcttables mpegvideoenc"
1632 mlp_decoder_select="mlp_parser"
1633 mp1_decoder_select="mpegaudiodsp"
1634 mp1float_decoder_select="mpegaudiodsp"
1635 mp2_decoder_select="mpegaudiodsp"
1636 mp2float_decoder_select="mpegaudiodsp"
1637 mp3_decoder_select="mpegaudiodsp"
1638 mp3adu_decoder_select="mpegaudiodsp"
1639 mp3adufloat_decoder_select="mpegaudiodsp"
1640 mp3float_decoder_select="mpegaudiodsp"
1641 mp3on4_decoder_select="mpegaudiodsp"
1642 mp3on4float_decoder_select="mpegaudiodsp"
1643 mpc7_decoder_select="mpegaudiodsp"
1644 mpc8_decoder_select="mpegaudiodsp"
1645 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1646 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1647 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1648 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1649 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1650 mpeg1video_decoder_select="error_resilience mpegvideo"
1651 mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
1652 mpeg2_crystalhd_decoder_select="crystalhd"
1653 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1654 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1655 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1656 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1657 mpeg2video_decoder_select="error_resilience mpegvideo"
1658 mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
1659 mpeg4_crystalhd_decoder_select="crystalhd"
1660 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1661 mpeg4_encoder_select="h263_encoder"
1662 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1663 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1664 msmpeg4_crystalhd_decoder_select="crystalhd"
1665 msmpeg4v1_decoder_select="h263_decoder"
1666 msmpeg4v1_encoder_select="h263_encoder"
1667 msmpeg4v2_decoder_select="h263_decoder"
1668 msmpeg4v2_encoder_select="h263_encoder"
1669 msmpeg4v3_decoder_select="h263_decoder"
1670 msmpeg4v3_encoder_select="h263_encoder"
1671 mss2_decoder_select="vc1_decoder"
1672 nellymoser_decoder_select="mdct sinewin"
1673 nellymoser_encoder_select="mdct sinewin"
1674 png_decoder_select="zlib"
1675 png_encoder_select="zlib"
1676 qcelp_decoder_select="lsp"
1677 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1678 ra_144_encoder_select="lpc"
1679 ralf_decoder_select="golomb"
1680 rv10_decoder_select="h263_decoder"
1681 rv10_encoder_select="h263_encoder"
1682 rv20_decoder_select="h263_decoder"
1683 rv20_encoder_select="h263_encoder"
1684 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1685 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1686 shorten_decoder_select="golomb"
1687 sipr_decoder_select="lsp"
1688 snow_decoder_select="dwt rangecoder"
1689 snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1690 sonic_decoder_select="golomb"
1691 sonic_encoder_select="golomb"
1692 sonic_ls_encoder_select="golomb"
1693 svq1_decoder_select="error_resilience mpegvideo"
1694 svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1695 svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1696 svq3_decoder_suggest="zlib"
1697 theora_decoder_select="vp3_decoder"
1698 tiff_decoder_suggest="zlib"
1699 tiff_encoder_suggest="zlib"
1700 truehd_decoder_select="mlp_parser"
1701 tscc_decoder_select="zlib"
1702 twinvq_decoder_select="mdct lsp sinewin"
1703 utvideo_encoder_select="huffman"
1704 vc1_crystalhd_decoder_select="crystalhd"
1705 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1706 vc1_dxva2_hwaccel_deps="dxva2api_h"
1707 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1708 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1709 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1710 vc1image_decoder_select="vc1_decoder"
1711 vorbis_decoder_select="mdct"
1712 vorbis_encoder_select="mdct"
1713 vp3_decoder_select="vp3dsp"
1714 vp5_decoder_select="vp3dsp"
1715 vp6_decoder_select="huffman vp3dsp"
1716 vp6a_decoder_select="vp6_decoder"
1717 vp6f_decoder_select="vp6_decoder"
1718 vp8_decoder_select="h264pred h264qpel"
1719 wmapro_decoder_select="mdct sinewin"
1720 wmav1_decoder_select="mdct sinewin"
1721 wmav1_encoder_select="mdct sinewin"
1722 wmav2_decoder_select="mdct sinewin"
1723 wmav2_encoder_select="mdct sinewin"
1724 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1725 wmv1_decoder_select="h263_decoder"
1726 wmv1_encoder_select="h263_encoder"
1727 wmv2_decoder_select="h263_decoder"
1728 wmv2_encoder_select="h263_encoder"
1729 wmv3_decoder_select="vc1_decoder"
1730 wmv3_crystalhd_decoder_select="crystalhd"
1731 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1732 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1733 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1734 wmv3image_decoder_select="wmv3_decoder"
1735 zerocodec_decoder_select="zlib"
1736 zlib_decoder_select="zlib"
1737 zlib_encoder_select="zlib"
1738 zmbv_decoder_select="zlib"
1739 zmbv_encoder_select="zlib"
1740
1741 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1742 vaapi_deps="va_va_h"
1743 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1744 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1745
1746 # parsers
1747 h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1748 mpeg4video_parser_select="error_resilience mpegvideo"
1749 mpegvideo_parser_select="error_resilience mpegvideo"
1750 vc1_parser_select="error_resilience mpegvideo"
1751
1752 # external libraries
1753 libaacplus_encoder_deps="libaacplus"
1754 libcelt_decoder_deps="libcelt"
1755 libfaac_encoder_deps="libfaac"
1756 libfdk_aac_encoder_deps="libfdk_aac"
1757 libgsm_decoder_deps="libgsm"
1758 libgsm_encoder_deps="libgsm"
1759 libgsm_ms_decoder_deps="libgsm"
1760 libgsm_ms_encoder_deps="libgsm"
1761 libilbc_decoder_deps="libilbc"
1762 libilbc_encoder_deps="libilbc"
1763 libmodplug_demuxer_deps="libmodplug"
1764 libmp3lame_encoder_deps="libmp3lame"
1765 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1766 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1767 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1768 libopenjpeg_decoder_deps="libopenjpeg"
1769 libopenjpeg_encoder_deps="libopenjpeg"
1770 libopus_decoder_deps="libopus"
1771 libschroedinger_decoder_deps="libschroedinger"
1772 libschroedinger_encoder_deps="libschroedinger"
1773 libspeex_decoder_deps="libspeex"
1774 libspeex_encoder_deps="libspeex"
1775 libstagefright_h264_decoder_deps="libstagefright_h264"
1776 libtheora_encoder_deps="libtheora"
1777 libtwolame_encoder_deps="libtwolame"
1778 libvo_aacenc_encoder_deps="libvo_aacenc"
1779 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1780 libvorbis_decoder_deps="libvorbis"
1781 libvorbis_encoder_deps="libvorbis"
1782 libvpx_decoder_deps="libvpx"
1783 libvpx_encoder_deps="libvpx"
1784 libx264_encoder_deps="libx264"
1785 libx264rgb_encoder_deps="libx264"
1786 libxavs_encoder_deps="libxavs"
1787 libxvid_encoder_deps="libxvid"
1788 libutvideo_decoder_deps="libutvideo"
1789 libutvideo_encoder_deps="libutvideo"
1790
1791 # demuxers / muxers
1792 ac3_demuxer_select="ac3_parser"
1793 asf_stream_muxer_select="asf_muxer"
1794 avisynth_demuxer_deps="avisynth"
1795 dirac_demuxer_select="dirac_parser"
1796 eac3_demuxer_select="ac3_parser"
1797 f4v_muxer_select="mov_muxer"
1798 flac_demuxer_select="flac_parser"
1799 ipod_muxer_select="mov_muxer"
1800 libnut_demuxer_deps="libnut"
1801 libnut_muxer_deps="libnut"
1802 matroska_audio_muxer_select="matroska_muxer"
1803 matroska_demuxer_suggest="zlib bzlib"
1804 mov_demuxer_suggest="zlib"
1805 mp3_demuxer_select="mpegaudio_parser"
1806 mp4_muxer_select="mov_muxer"
1807 mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1808 mpegtsraw_demuxer_select="mpegts_demuxer"
1809 mxf_d10_muxer_select="mxf_muxer"
1810 ogg_demuxer_select="golomb"
1811 psp_muxer_select="mov_muxer"
1812 rtp_demuxer_select="sdp_demuxer"
1813 rtp_muxer_select="mpegvideo"
1814 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1815 rtsp_demuxer_select="http_protocol rtpdec"
1816 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1817 sap_demuxer_select="sdp_demuxer"
1818 sap_muxer_select="rtp_muxer rtp_protocol"
1819 sdp_demuxer_select="rtpdec"
1820 smoothstreaming_muxer_select="ismv_muxer"
1821 spdif_muxer_select="aac_parser"
1822 tg2_muxer_select="mov_muxer"
1823 tgp_muxer_select="mov_muxer"
1824 w64_demuxer_deps="wav_demuxer"
1825
1826 # indevs / outdevs
1827 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1828 alsa_outdev_deps="alsa_asoundlib_h"
1829 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1830 caca_outdev_deps="libcaca"
1831 dshow_indev_deps="IBaseFilter"
1832 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1833 dv1394_indev_deps="dv1394 dv_demuxer"
1834 fbdev_indev_deps="linux_fb_h"
1835 iec61883_indev_deps="libiec61883"
1836 jack_indev_deps="jack_jack_h sem_timedwait"
1837 lavfi_indev_deps="avfilter"
1838 libcdio_indev_deps="libcdio"
1839 libdc1394_indev_deps="libdc1394"
1840 libv4l2_indev_deps="libv4l2"
1841 openal_indev_deps="openal"
1842 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1843 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1844 pulse_indev_deps="libpulse"
1845 sdl_outdev_deps="sdl"
1846 sndio_indev_deps="sndio_h"
1847 sndio_outdev_deps="sndio_h"
1848 v4l_indev_deps="linux_videodev_h"
1849 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1850 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1851 vfwcap_indev_extralibs="-lavicap32"
1852 x11grab_indev_deps="x11grab"
1853
1854 # protocols
1855 bluray_protocol_deps="libbluray"
1856 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1857 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1858 ffrtmpcrypt_protocol_select="tcp_protocol"
1859 ffrtmphttp_protocol_deps="!librtmp_protocol"
1860 ffrtmphttp_protocol_select="http_protocol"
1861 gopher_protocol_deps="network"
1862 httpproxy_protocol_deps="network"
1863 httpproxy_protocol_select="tcp_protocol"
1864 http_protocol_deps="network"
1865 http_protocol_select="tcp_protocol"
1866 https_protocol_select="tls_protocol"
1867 librtmp_protocol_deps="librtmp"
1868 librtmpe_protocol_deps="librtmp"
1869 librtmps_protocol_deps="librtmp"
1870 librtmpt_protocol_deps="librtmp"
1871 librtmpte_protocol_deps="librtmp"
1872 mmsh_protocol_select="http_protocol"
1873 mmst_protocol_deps="network"
1874 rtmp_protocol_deps="!librtmp_protocol"
1875 rtmp_protocol_select="tcp_protocol"
1876 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1877 rtmps_protocol_deps="!librtmp_protocol"
1878 rtmps_protocol_select="tls_protocol"
1879 rtmpt_protocol_select="ffrtmphttp_protocol"
1880 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1881 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1882 rtp_protocol_select="udp_protocol"
1883 sctp_protocol_deps="network struct_sctp_event_subscribe"
1884 tcp_protocol_deps="network"
1885 tls_protocol_deps_any="openssl gnutls"
1886 tls_protocol_select="tcp_protocol"
1887 udp_protocol_deps="network"
1888
1889 # filters
1890 aconvert_filter_deps="swresample"
1891 amovie_filter_deps="avcodec avformat"
1892 aresample_filter_deps="swresample"
1893 ass_filter_deps="libass"
1894 asyncts_filter_deps="avresample"
1895 atempo_filter_deps="avcodec rdft"
1896 blackframe_filter_deps="gpl"
1897 boxblur_filter_deps="gpl"
1898 colormatrix_filter_deps="gpl"
1899 cropdetect_filter_deps="gpl"
1900 decimate_filter_deps="gpl avcodec"
1901 delogo_filter_deps="gpl"
1902 deshake_filter_deps="avcodec"
1903 drawtext_filter_deps="libfreetype"
1904 flite_filter_deps="libflite"
1905 frei0r_filter_deps="frei0r dlopen"
1906 frei0r_filter_extralibs='$ldl'
1907 frei0r_src_filter_deps="frei0r dlopen"
1908 frei0r_src_filter_extralibs='$ldl'
1909 hqdn3d_filter_deps="gpl"
1910 movie_filter_deps="avcodec avformat"
1911 mp_filter_deps="gpl avcodec swscale postproc inline_asm"
1912 mptestsrc_filter_deps="gpl"
1913 negate_filter_deps="lut_filter"
1914 resample_filter_deps="avresample"
1915 ocv_filter_deps="libopencv"
1916 pan_filter_deps="swresample"
1917 removelogo_filter_deps="avcodec avformat swscale"
1918 scale_filter_deps="swscale"
1919 smartblur_filter_deps="gpl swscale"
1920 showspectrum_filter_deps="avcodec"
1921 super2xsai_filter_deps="gpl"
1922 tinterlace_filter_deps="gpl"
1923 yadif_filter_deps="gpl"
1924 pixfmts_super2xsai_test_deps="super2xsai_filter"
1925 tinterlace_merge_test_deps="tinterlace_filter"
1926 tinterlace_pad_test_deps="tinterlace_filter"
1927
1928 # libraries
1929 avdevice_deps="avcodec avformat"
1930 avformat_deps="avcodec"
1931 postproc_deps="gpl"
1932
1933 # programs
1934 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1935 ffmpeg_select="ffbuffersink_filter format_filter aformat_filter
1936                setpts_filter null_filter anull_filter ffabuffersink_filter"
1937 ffplay_deps="avcodec avformat swscale swresample sdl"
1938 ffplay_select="ffbuffersink_filter rdft crop_filter"
1939 ffprobe_deps="avcodec avformat"
1940 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1941 ffserver_extralibs='$ldl'
1942
1943 # documentation
1944 podpages_deps="perl"
1945 manpages_deps="perl pod2man"
1946 htmlpages_deps="texi2html"
1947 txtpages_deps="makeinfo"
1948 doc_deps_any="manpages htmlpages podpages txtpages"
1949
1950 # tests
1951 colormatrix1_test_deps="colormatrix_filter"
1952 colormatrix2_test_deps="colormatrix_filter"
1953 flashsv2_test_deps="zlib"
1954 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1955 mpng_test_deps="zlib"
1956 pp_test_deps="mp_filter"
1957 pp2_test_deps="mp_filter"
1958 pp3_test_deps="mp_filter"
1959 pp4_test_deps="mp_filter"
1960 pp5_test_deps="mp_filter"
1961 pp6_test_deps="mp_filter"
1962 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1963 zlib_test_deps="zlib"
1964 zmbv_test_deps="zlib"
1965
1966 test_deps(){
1967     suf1=$1
1968     suf2=$2
1969     shift 2
1970     for v; do
1971         dep=${v%=*}
1972         tests=${v#*=}
1973         for name in ${tests}; do
1974             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1975         done
1976     done
1977 }
1978
1979 test_deps _muxer _demuxer                                               \
1980     aiff                                                                \
1981     pcm_alaw=alaw                                                       \
1982     asf                                                                 \
1983     au                                                                  \
1984     avi                                                                 \
1985     dv=dv_fmt                                                           \
1986     ffm                                                                 \
1987     flv=flv_fmt                                                         \
1988     gxf                                                                 \
1989     matroska=mkv                                                        \
1990     mmf                                                                 \
1991     mov="mov ismv"                                                      \
1992     pcm_mulaw=mulaw                                                     \
1993     mxf="mxf mxf_d10"                                                   \
1994     nut                                                                 \
1995     ogg="ogg ogg_vp3"                                                   \
1996     rawvideo=pixfmt                                                     \
1997     rm                                                                  \
1998     swf                                                                 \
1999     mpegts=ts                                                           \
2000     voc                                                                 \
2001     wav                                                                 \
2002     yuv4mpegpipe=yuv4mpeg                                               \
2003
2004 # default parameters
2005
2006 logfile="config.log"
2007
2008 # installation paths
2009 prefix_default="/usr/local"
2010 bindir_default='${prefix}/bin'
2011 datadir_default='${prefix}/share/ffmpeg'
2012 incdir_default='${prefix}/include'
2013 libdir_default='${prefix}/lib'
2014 mandir_default='${prefix}/share/man'
2015 shlibdir_default="$libdir_default"
2016 postproc_version_default="current"
2017
2018 # toolchain
2019 ar_default="ar"
2020 cc_default="gcc"
2021 cxx_default="g++"
2022 host_cc_default="gcc"
2023 install="install"
2024 ln_s="ln -sf"
2025 nm_default="nm -g"
2026 objformat="elf"
2027 pkg_config_default=pkg-config
2028 ranlib="ranlib"
2029 strip_default="strip"
2030 yasmexe_default="yasm"
2031
2032 nogas=":"
2033
2034 # machine
2035 arch_default=$(uname -m)
2036 cpu="generic"
2037
2038 # OS
2039 target_os_default=$(tolower $(uname -s))
2040 host_os=$target_os_default
2041
2042 # alternative libpostproc version
2043 ALT_PP_VER_MAJOR=51
2044 ALT_PP_VER_MINOR=2
2045 ALT_PP_VER_MICRO=101
2046 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
2047
2048 # configurable options
2049 enable $PROGRAM_LIST
2050 enable $DOCUMENT_LIST
2051
2052 enable avcodec
2053 enable avdevice
2054 enable avfilter
2055 enable avformat
2056 enable avutil
2057 enable postproc
2058 enable stripping
2059 enable swresample
2060 enable swscale
2061
2062 enable asm
2063 enable debug
2064 enable doc
2065 enable network
2066 enable optimizations
2067 enable runtime_cpudetect
2068 enable safe_bitstream_reader
2069 enable static
2070 enable swscale_alpha
2071
2072 # build settings
2073 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2074 FFSERVERLDFLAGS=-Wl,-E
2075 LIBPREF="lib"
2076 LIBSUF=".a"
2077 FULLNAME='$(NAME)$(BUILDSUF)'
2078 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2079 SLIBPREF="lib"
2080 SLIBSUF=".so"
2081 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2082 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2083 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2084 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2085 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2086 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2087
2088 asflags_filter=echo
2089 cflags_filter=echo
2090 ldflags_filter=echo
2091
2092 AS_C='-c'
2093 AS_O='-o $@'
2094 CC_C='-c'
2095 CC_E='-E -o $@'
2096 CC_O='-o $@'
2097 CXX_C='-c'
2098 CXX_O='-o $@'
2099 LD_O='-o $@'
2100 LD_LIB='-l%'
2101 LD_PATH='-L'
2102 HOSTCC_C='-c'
2103 HOSTCC_O='-o $@'
2104 HOSTLD_O='-o $@'
2105
2106 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
2107 host_libs='-lm'
2108 host_cflags_filter=echo
2109 host_ldflags_filter=echo
2110
2111 target_path='$(CURDIR)'
2112
2113 # since the object filename is not given with the -MM flag, the compiler
2114 # is only able to print the basename, and we must add the path ourselves
2115 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2116 DEPFLAGS='-MM'
2117
2118 # find source path
2119 if test -f configure; then
2120     source_path=.
2121 else
2122     source_path=$(cd $(dirname "$0"); pwd)
2123     echo "$source_path" | grep -q '[[:blank:]]' &&
2124         die "Out of tree builds are impossible with whitespace in source path."
2125     test -e "$source_path/config.h" &&
2126         die "Out of tree builds are impossible with config.h in source dir."
2127 fi
2128
2129 for v in "$@"; do
2130     r=${v#*=}
2131     l=${v%"$r"}
2132     r=$(sh_quote "$r")
2133     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2134 done
2135
2136 find_things(){
2137     thing=$1
2138     pattern=$2
2139     file=$source_path/$3
2140     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2141 }
2142
2143 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2144 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2145 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2146 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2147 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
2148 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2149 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2150 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2151 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2152 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2153 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2154
2155 ALL_COMPONENTS="
2156     $BSF_LIST
2157     $DECODER_LIST
2158     $DEMUXER_LIST
2159     $ENCODER_LIST
2160     $FILTER_LIST
2161     $HWACCEL_LIST
2162     $INDEV_LIST
2163     $MUXER_LIST
2164     $OUTDEV_LIST
2165     $PARSER_LIST
2166     $PROTOCOL_LIST
2167 "
2168
2169 find_tests(){
2170     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
2171 }
2172
2173 LAVF_FATE_TESTS=$(find_tests lavf-fate)
2174 LAVF_TESTS=$(find_tests lavf)
2175 LAVFI_TESTS=$(find_tests lavfi)
2176 SEEK_TESTS=$(find_tests seek seek_)
2177
2178 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
2179
2180 for n in $COMPONENT_LIST; do
2181     v=$(toupper ${n%s})_LIST
2182     eval enable \$$v
2183     eval ${n}_if_any="\$$v"
2184 done
2185
2186 enable $ARCH_EXT_LIST $ALL_TESTS
2187
2188 die_unknown(){
2189     echo "Unknown option \"$1\"."
2190     echo "See $0 --help for available options."
2191     exit 1
2192 }
2193
2194 show_list() {
2195     suffix=_$1
2196     shift
2197     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2198     exit 0
2199 }
2200
2201 rand_list(){
2202     IFS=', '
2203     set -- $*
2204     unset IFS
2205     for thing; do
2206         comp=${thing%:*}
2207         prob=${thing#$comp}
2208         prob=${prob#:}
2209         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2210         echo "prob ${prob:-0.5}"
2211         printf '%s\n' $comp
2212     done
2213 }
2214
2215 do_random(){
2216     action=$1
2217     shift
2218     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2219     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2220 }
2221
2222 for opt do
2223     optval="${opt#*=}"
2224     case "$opt" in
2225     --extra-ldflags=*) add_ldflags $optval
2226     ;;
2227     --extra-libs=*) add_extralibs $optval
2228     ;;
2229     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2230     ;;
2231     --enable-debug=*) debuglevel="$optval"
2232     ;;
2233     --disable-everything)
2234     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2235     ;;
2236     --enable-random|--disable-random)
2237     action=${opt%%-random}
2238     do_random ${action#--} $COMPONENT_LIST
2239     ;;
2240     --enable-random=*|--disable-random=*)
2241     action=${opt%%-random=*}
2242     do_random ${action#--} $optval
2243     ;;
2244     --enable-*=*|--disable-*=*)
2245     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2246     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2247     eval list=\$$(toupper $thing)_LIST
2248     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2249     $action $(filter "$name" $list)
2250     ;;
2251     --enable-?*|--disable-?*)
2252     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2253     if is_in $option $COMPONENT_LIST; then
2254         test $action = disable && action=unset
2255         eval $action \$$(toupper ${option%s})_LIST
2256     elif is_in $option $CMDLINE_SELECT; then
2257         $action $option
2258     else
2259         die_unknown $opt
2260     fi
2261     ;;
2262     --list-*)
2263         NAME="${opt#--list-}"
2264         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2265         NAME=${NAME%s}
2266         eval show_list $NAME \$$(toupper $NAME)_LIST
2267     ;;
2268     --help|-h) show_help
2269     ;;
2270     *)
2271     optname="${opt%%=*}"
2272     optname="${optname#--}"
2273     optname=$(echo "$optname" | sed 's/-/_/g')
2274     if is_in $optname $CMDLINE_SET; then
2275         eval $optname='$optval'
2276     elif is_in $optname $CMDLINE_APPEND; then
2277         append $optname "$optval"
2278     else
2279          die_unknown $opt
2280     fi
2281     ;;
2282     esac
2283 done
2284
2285 disabled logging && logfile=/dev/null
2286
2287 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2288 set >> $logfile
2289
2290 test -n "$cross_prefix" && enable cross_compile
2291
2292 if enabled cross_compile; then
2293     test -n "$arch" && test -n "$target_os" ||
2294         die "Must specify target arch and OS when cross-compiling"
2295 fi
2296
2297 set_default arch target_os postproc_version
2298
2299 # Check if we should build alternative libpostproc version instead of current
2300 if   test "$postproc_version" = $ALT_PP_VER; then
2301   LIBPOSTPROC_VERSION=$ALT_PP_VER
2302   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2303   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2304   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2305 elif test "$postproc_version" != current; then
2306   die "Invalid argument to --postproc-version. See --help output."
2307 fi
2308
2309 ar_default="${cross_prefix}${ar_default}"
2310 cc_default="${cross_prefix}${cc_default}"
2311 cxx_default="${cross_prefix}${cxx_default}"
2312 nm_default="${cross_prefix}${nm_default}"
2313 pkg_config_default="${cross_prefix}${pkg_config_default}"
2314 ranlib="${cross_prefix}${ranlib}"
2315 strip_default="${cross_prefix}${strip_default}"
2316
2317 sysinclude_default="${sysroot}/usr/include"
2318
2319 case "$toolchain" in
2320     msvc)
2321         cc_default="c99wrap cl"
2322         ld_default="c99wrap link"
2323         nm_default="dumpbin -symbols"
2324         ar_default="lib"
2325     ;;
2326     ?*)
2327         die "Unknown toolchain $toolchain"
2328     ;;
2329 esac
2330
2331 set_default cc cxx pkg_config strip sysinclude yasmexe
2332 enabled cross_compile || host_cc_default=$cc
2333 set_default host_cc
2334
2335 if ! $pkg_config --version >/dev/null 2>&1; then
2336     warn "$pkg_config not found, library detection may fail."
2337     pkg_config=false
2338 fi
2339
2340 exesuf() {
2341     case $1 in
2342         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2343     esac
2344 }
2345
2346 EXESUF=$(exesuf $target_os)
2347 HOSTEXESUF=$(exesuf $host_os)
2348
2349 # set temporary file name
2350 : ${TMPDIR:=$TEMPDIR}
2351 : ${TMPDIR:=$TMP}
2352 : ${TMPDIR:=/tmp}
2353
2354 if ! check_cmd mktemp -u XXXXXX; then
2355     # simple replacement for missing mktemp
2356     # NOT SAFE FOR GENERAL USE
2357     mktemp(){
2358         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2359     }
2360 fi
2361
2362 tmpfile(){
2363     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2364         (set -C; exec > $tmp) 2>/dev/null ||
2365         die "Unable to create temporary file in $TMPDIR."
2366     append TMPFILES $tmp
2367     eval $1=$tmp
2368 }
2369
2370 trap 'rm -f -- $TMPFILES' EXIT
2371
2372 tmpfile TMPASM .asm
2373 tmpfile TMPC   .c
2374 tmpfile TMPCPP .cpp
2375 tmpfile TMPE   $EXESUF
2376 tmpfile TMPH   .h
2377 tmpfile TMPO   .o
2378 tmpfile TMPS   .S
2379 tmpfile TMPSH  .sh
2380 tmpfile TMPV   .ver
2381
2382 unset -f mktemp
2383
2384 chmod +x $TMPE
2385
2386 # make sure we can execute files in $TMPDIR
2387 cat > $TMPSH 2>> $logfile <<EOF
2388 #! /bin/sh
2389 EOF
2390 chmod +x $TMPSH >> $logfile 2>&1
2391 if ! $TMPSH >> $logfile 2>&1; then
2392     cat <<EOF
2393 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2394 variable to another directory and make sure that it is not mounted noexec.
2395 EOF
2396     die "Sanity test failed."
2397 fi
2398
2399 msvc_flags(){
2400     for flag; do
2401         case $flag in
2402             -fomit-frame-pointer) echo -Oy ;;
2403             -g)                   echo -Z7 ;;
2404             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2405                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2406                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2407                                        -wd4996 -wd4554 ;;
2408             -std=c99)             ;;
2409             -fno-math-errno)      ;;
2410             -fno-common)          ;;
2411             -fno-signed-zeros)    ;;
2412             -lz)                  echo zlib.lib ;;
2413             -l*)                  echo ${flag#-l}.lib ;;
2414             *)                    echo $flag ;;
2415         esac
2416     done
2417 }
2418
2419 pgi_flags(){
2420     for flag; do
2421         case $flag in
2422             -fomit-frame-pointer) echo -Mnoframe ;;
2423             -g)                   echo -gopt ;;
2424             *)                    echo $flag ;;
2425         esac
2426     done
2427 }
2428
2429 suncc_flags(){
2430     for flag; do
2431         case $flag in
2432             -march=*|-mcpu=*)
2433                 case "${flag#*=}" in
2434                     native)                   echo -xtarget=native       ;;
2435                     v9|niagara)               echo -xarch=sparc          ;;
2436                     ultrasparc)               echo -xarch=sparcvis       ;;
2437                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2438                     i586|pentium)             echo -xchip=pentium        ;;
2439                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2440                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2441                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2442                     pentium4*)          echo -xtarget=pentium4           ;;
2443                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2444                     *-sse3)             echo -xarch=sse3                 ;;
2445                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
2446                     amdfam10|barcelona|bdver*) echo -xarch=sse4_1        ;;
2447                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2448                     k8|opteron|athlon64|athlon-fx)
2449                                               echo -xarch=sse2a          ;;
2450                     athlon*)                  echo -xarch=pentium_proa   ;;
2451                 esac
2452                 ;;
2453             -std=c99)             echo -xc99              ;;
2454             -fomit-frame-pointer) echo -xregs=frameptr    ;;
2455             -fPIC)                echo -KPIC -xcode=pic32 ;;
2456             -W*,*)                echo $flag              ;;
2457             -f*-*|-W*)                                    ;;
2458             *)                    echo $flag              ;;
2459         esac
2460     done
2461 }
2462
2463 tms470_flags(){
2464     for flag; do
2465         case $flag in
2466             -march=*|-mcpu=*)
2467                 case "${flag#*=}" in
2468                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
2469                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
2470                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
2471                     armv6*|arm11*)          echo -mv=6   ;;
2472                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2473                                             echo -mv=5e  ;;
2474                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2475                 esac
2476                 ;;
2477             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2478             -mfpu=vfp)      echo --float_support=vfpv2        ;;
2479             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2480             -msoft-float)   echo --float_support=vfplib       ;;
2481             -O[0-3]|-mf=*)  echo $flag                        ;;
2482             -g)             echo -g -mn                       ;;
2483             -pds=*)         echo $flag                        ;;
2484             -D*|-I*)        echo $flag                        ;;
2485             --gcc|--abi=*)  echo $flag                        ;;
2486             -me)            echo $flag                        ;;
2487         esac
2488     done
2489 }
2490
2491 probe_cc(){
2492     pfx=$1
2493     _cc=$2
2494
2495     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2496     unset _ld_o _ldflags _ld_lib _ld_path
2497     unset _depflags _DEPCMD _DEPFLAGS
2498     _flags_filter=echo
2499
2500     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2501         _type=llvm_gcc
2502         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2503         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2504         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2505         _cflags_speed='-O3'
2506         _cflags_size='-Os'
2507     elif $_cc -v 2>&1 | grep -qi ^gcc; then
2508         _type=gcc
2509         gcc_version=$($_cc --version | head -n1)
2510         gcc_basever=$($_cc -dumpversion)
2511         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2512         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2513         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2514         if ! $_cc -dumpversion | grep -q '^2\.'; then
2515             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2516         fi
2517         _cflags_speed='-O3'
2518         _cflags_size='-Os'
2519     elif $_cc --version 2>/dev/null | grep -q Intel; then
2520         _type=icc
2521         _ident=$($_cc --version | head -n1)
2522         _depflags='-MMD'
2523         _cflags_speed='-O3'
2524         _cflags_size='-Os'
2525         _cflags_noopt='-O1'
2526     elif $_cc -v 2>&1 | grep -q xlc; then
2527         _type=xlc
2528         _ident=$($_cc -qversion 2>/dev/null | head -n1)
2529         _cflags_speed='-O5'
2530         _cflags_size='-O5 -qcompact'
2531     elif $_cc -V 2>/dev/null | grep -q Compaq; then
2532         _type=ccc
2533         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2534         _DEPFLAGS='-M'
2535         debuglevel=3
2536         _ldflags='-Wl,-z,now' # calls to libots crash without this
2537         _cflags_speed='-fast'
2538         _cflags_size='-O1'
2539     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2540         test -d "$sysroot" || die "No valid sysroot specified."
2541         _type=armcc
2542         _ident=$($_cc --vsn | head -n1)
2543         armcc_conf="$PWD/armcc.conf"
2544         $_cc --arm_linux_configure                 \
2545              --arm_linux_config_file="$armcc_conf" \
2546              --configure_sysroot="$sysroot"        \
2547              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2548              die "Error creating armcc configuration file."
2549         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2550         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2551         as_default="${cross_prefix}gcc"
2552         _depflags='-MMD'
2553         _cflags_speed='-O3'
2554         _cflags_size='-Os'
2555     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2556         _type=tms470
2557         _ident=$($_cc -version | head -n1 | tr -s ' ')
2558         _flags='--gcc --abi=eabi -me'
2559         _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2560         _cc_e='-ppl -fe=$@'
2561         _cc_o='-fe=$@'
2562         as_default="${cross_prefix}gcc"
2563         ld_default="${cross_prefix}gcc"
2564         _depflags='-ppa -ppd=$(@:.o=.d)'
2565         _cflags_speed='-O3 -mf=5'
2566         _cflags_size='-O3 -mf=2'
2567         _flags_filter=tms470_flags
2568     elif $_cc -v 2>&1 | grep -q clang; then
2569         _type=clang
2570         _ident=$($_cc --version | head -n1)
2571         _depflags='-MMD'
2572         _cflags_speed='-O3'
2573         _cflags_size='-Os'
2574     elif $_cc -V 2>&1 | grep -q Sun; then
2575         _type=suncc
2576         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2577         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2578         _DEPFLAGS='-xM1 -xc99'
2579         _ldflags='-std=c99'
2580         _cflags_speed='-O5'
2581         _cflags_size='-O5 -xspace'
2582         _flags_filter=suncc_flags
2583     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2584         _type=pathscale
2585         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2586         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2587         _cflags_speed='-O2'
2588         _cflags_size='-Os'
2589         _flags_filter='filter_out -Wdisabled-optimization'
2590     elif $_cc -v 2>&1 | grep -q Open64; then
2591         _type=open64
2592         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2593         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2594         _cflags_speed='-O2'
2595         _cflags_size='-Os'
2596         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2597     elif $_cc -V 2>&1 | grep -q Portland; then
2598         _type=pgi
2599         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2600         opt_common='-alias=ansi -Mlre -Mpre'
2601         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2602         _cflags_size="-O2 -Munroll=c:1 $opt_common"
2603         _cflags_noopt="-O1"
2604         _flags_filter=pgi_flags
2605     elif $_cc 2>&1 | grep -q Microsoft; then
2606         _type=msvc
2607         _ident=$($cc 2>&1 | head -n1)
2608         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2609         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2610         _cflags_speed="-O2"
2611         _cflags_size="-O1"
2612         # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2613         if $_cc 2>&1 | grep -q Linker; then
2614             _ld_o='-out $@'
2615         else
2616             _ld_o='-Fe$@'
2617         fi
2618         _cc_o='-Fo $@'
2619         _cc_e='-P -Fi $@'
2620         _flags_filter=msvc_flags
2621         _ld_lib='lib%.a'
2622         _ld_path='-libpath:'
2623         _flags='-nologo'
2624         _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2625         if [ $pfx = hostcc ]; then
2626             append _cflags -Dsnprintf=_snprintf
2627         fi
2628         disable stripping
2629     fi
2630
2631     eval ${pfx}_type=\$_type
2632     eval ${pfx}_ident=\$_ident
2633 }
2634
2635 set_ccvars(){
2636     eval ${1}_C=\${_cc_c-\${${1}_C}}
2637     eval ${1}_E=\${_cc_e-\${${1}_E}}
2638     eval ${1}_O=\${_cc_o-\${${1}_O}}
2639
2640     if [ -n "$_depflags" ]; then
2641         eval ${1}_DEPFLAGS=\$_depflags
2642     else
2643         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2644         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2645         eval DEP${1}FLAGS=\$_flags
2646     fi
2647 }
2648
2649 probe_cc cc "$cc"
2650 cflags_filter=$_flags_filter
2651 cflags_speed=$_cflags_speed
2652 cflags_size=$_cflags_size
2653 cflags_noopt=$_cflags_noopt
2654 add_cflags $_flags $_cflags
2655 cc_ldflags=$_ldflags
2656 set_ccvars CC
2657
2658 probe_cc hostcc "$host_cc"
2659 host_cflags_filter=$_flags_filter
2660 add_host_cflags  $_flags $_cflags
2661 set_ccvars HOSTCC
2662
2663 test -n "$cc_type" && enable $cc_type ||
2664     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2665
2666 : ${as_default:=$cc}
2667 : ${dep_cc_default:=$cc}
2668 : ${ld_default:=$cc}
2669 : ${host_ld_default:=$host_cc}
2670 set_default ar as dep_cc ld host_ld
2671
2672 probe_cc as "$as"
2673 asflags_filter=$_flags_filter
2674 add_asflags $_flags $_cflags
2675 set_ccvars AS
2676
2677 probe_cc ld "$ld"
2678 ldflags_filter=$_flags_filter
2679 add_ldflags $_flags $_ldflags
2680 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2681 LD_O=${_ld_o-$LD_O}
2682 LD_LIB=${_ld_lib-$LD_LIB}
2683 LD_PATH=${_ld_path-$LD_PATH}
2684
2685 probe_cc hostld "$host_ld"
2686 host_ldflags_filter=$_flags_filter
2687 add_host_ldflags $_flags $_ldflags
2688 HOSTLD_O=${_ld_o-$HOSTLD_O}
2689
2690 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2691     probe_cc depcc "$dep_cc"
2692     CCDEP=${_DEPCMD:-$DEPCMD}
2693     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2694     DEPCCFLAGS=$_flags
2695 fi
2696
2697 if $ar 2>&1 | grep -q Microsoft; then
2698     arflags="-nologo"
2699     ar_o='-out:$@'
2700 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2701     arflags="rq"
2702     ar_o='$@'
2703 else
2704     arflags="rc"
2705     ar_o='$@'
2706 fi
2707
2708 add_cflags $extra_cflags
2709 add_cxxflags $extra_cxxflags
2710 add_asflags $extra_cflags
2711
2712 if test -n "$sysroot"; then
2713     case "$cc_type" in
2714         gcc|llvm_gcc|clang)
2715             add_cppflags --sysroot="$sysroot"
2716             add_ldflags --sysroot="$sysroot"
2717         ;;
2718         tms470)
2719             add_cppflags -I"$sysinclude"
2720             add_ldflags  --sysroot="$sysroot"
2721         ;;
2722     esac
2723 fi
2724
2725 if test "$cpu" = host; then
2726     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2727
2728     case "$cc_type" in
2729         gcc|llvm_gcc)
2730             check_native(){
2731                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2732                 sed -n "/cc1.*$1=/{
2733                             s/.*$1=\\([^ ]*\\).*/\\1/
2734                             p
2735                             q
2736                         }" $TMPE
2737             }
2738             cpu=$(check_native -march || check_native -mcpu)
2739         ;;
2740     esac
2741
2742     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2743 fi
2744
2745 # Deal with common $arch aliases
2746 case "$arch" in
2747     arm*|iPad*)
2748         arch="arm"
2749     ;;
2750     mips|mipsel|IP*)
2751         arch="mips"
2752     ;;
2753     mips64*)
2754         arch="mips"
2755         subarch="mips64"
2756     ;;
2757     parisc|hppa)
2758         arch="parisc"
2759     ;;
2760     parisc64|hppa64)
2761         arch="parisc"
2762         subarch="parisc64"
2763     ;;
2764     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2765         arch="ppc"
2766     ;;
2767     s390|s390x)
2768         arch="s390"
2769     ;;
2770     sh4|sh)
2771         arch="sh4"
2772     ;;
2773     sun4u|sparc64)
2774         arch="sparc"
2775         subarch="sparc64"
2776     ;;
2777     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2778         arch="x86"
2779     ;;
2780 esac
2781
2782 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2783 enable $arch
2784
2785 # Add processor-specific flags
2786 if test "$cpu" = generic; then
2787     : do nothing
2788 elif enabled ppc; then
2789
2790     case $(tolower $cpu) in
2791         601|ppc601|powerpc601)
2792             cpuflags="-mcpu=601"
2793             disable altivec
2794         ;;
2795         603*|ppc603*|powerpc603*)
2796             cpuflags="-mcpu=603"
2797             disable altivec
2798         ;;
2799         604*|ppc604*|powerpc604*)
2800             cpuflags="-mcpu=604"
2801             disable altivec
2802         ;;
2803         g3|75*|ppc75*|powerpc75*)
2804             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2805             disable altivec
2806         ;;
2807         g4|745*|ppc745*|powerpc745*)
2808             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2809         ;;
2810         74*|ppc74*|powerpc74*)
2811             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2812         ;;
2813         g5|970|ppc970|powerpc970)
2814             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2815         ;;
2816         power[3-7]*)
2817             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2818         ;;
2819         cell)
2820             cpuflags="-mcpu=cell"
2821             enable ldbrx
2822         ;;
2823         e500mc)
2824             cpuflags="-mcpu=e500mc"
2825             disable altivec
2826         ;;
2827         e500v2)
2828             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2829             disable altivec
2830         ;;
2831         e500)
2832             cpuflags="-mcpu=8540 -mhard-float"
2833             disable altivec
2834         ;;
2835     esac
2836
2837 elif enabled x86; then
2838
2839     case $cpu in
2840         i[345]86|pentium)
2841             cpuflags="-march=$cpu"
2842             disable mmx
2843         ;;
2844         # targets that do NOT support conditional mov (cmov)
2845         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2846             cpuflags="-march=$cpu"
2847             disable cmov
2848         ;;
2849         # targets that do support conditional mov (cmov)
2850         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
2851             cpuflags="-march=$cpu"
2852             enable cmov
2853             enable fast_cmov
2854         ;;
2855         # targets that do support conditional mov but on which it's slow
2856         pentium4|pentium4m|prescott|nocona)
2857             cpuflags="-march=$cpu"
2858             enable cmov
2859             disable fast_cmov
2860         ;;
2861     esac
2862
2863 elif enabled sparc; then
2864
2865     case $cpu in
2866         niagara)
2867             cpuflags="-mcpu=$cpu"
2868             disable vis
2869         ;;
2870         sparc64)
2871             cpuflags="-mcpu=v9"
2872         ;;
2873     esac
2874
2875 elif enabled arm; then
2876
2877     case $cpu in
2878         armv*)
2879             cpuflags="-march=$cpu"
2880             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2881         ;;
2882         *)
2883             cpuflags="-mcpu=$cpu"
2884             case $cpu in
2885                 cortex-a*)                               subarch=armv7a  ;;
2886                 cortex-r*)                               subarch=armv7r  ;;
2887                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2888                 arm11*)                                  subarch=armv6   ;;
2889                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2890                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2891             esac
2892         ;;
2893     esac
2894
2895 elif enabled alpha; then
2896
2897     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2898
2899 elif enabled bfin; then
2900
2901     cpuflags="-mcpu=$cpu"
2902
2903 elif enabled mips; then
2904
2905     cpuflags="-march=$cpu"
2906
2907     case $cpu in
2908         24kc)
2909             disable mipsfpu
2910             disable mipsdspr1
2911             disable mipsdspr2
2912         ;;
2913         24kf*)
2914             disable mipsdspr1
2915             disable mipsdspr2
2916         ;;
2917         24kec|34kc|1004kc)
2918             disable mipsfpu
2919             disable mipsdspr2
2920         ;;
2921         24kef*|34kf*|1004kf*)
2922             disable mipsdspr2
2923         ;;
2924         74kc)
2925             disable mipsfpu
2926         ;;
2927     esac
2928
2929 elif enabled avr32; then
2930
2931     case $cpu in
2932         ap7[02]0[0-2])
2933             subarch="avr32_ap"
2934             cpuflags="-mpart=$cpu"
2935         ;;
2936         ap)
2937             subarch="avr32_ap"
2938             cpuflags="-march=$cpu"
2939         ;;
2940         uc3[ab]*)
2941             subarch="avr32_uc"
2942             cpuflags="-mcpu=$cpu"
2943         ;;
2944         uc)
2945             subarch="avr32_uc"
2946             cpuflags="-march=$cpu"
2947         ;;
2948     esac
2949
2950 fi
2951
2952 add_cflags $cpuflags
2953 add_asflags $cpuflags
2954
2955 # compiler sanity check
2956 check_exec <<EOF
2957 int main(void){ return 0; }
2958 EOF
2959 if test "$?" != 0; then
2960     echo "$cc is unable to create an executable file."
2961     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2962         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2963         echo "Only do this if you know what cross compiling means."
2964     fi
2965     die "C compiler test failed."
2966 fi
2967
2968 add_cppflags -D_ISOC99_SOURCE
2969 add_cxxflags -D__STDC_CONSTANT_MACROS
2970 check_cflags -std=c99
2971 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2972 #include <stdlib.h>
2973 EOF
2974 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2975 #include <stdlib.h>
2976 EOF
2977
2978 check_host_cflags -std=c99
2979 check_host_cflags -Wall
2980
2981 case "$arch" in
2982     alpha|ia64|mips|parisc|sparc)
2983         spic=$shared
2984     ;;
2985     x86)
2986         subarch="x86_32"
2987         check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2988         if test "$subarch" = "x86_64"; then
2989             spic=$shared
2990         fi
2991     ;;
2992     ppc)
2993         check_cc <<EOF && subarch="ppc64"
2994         int test[(int)sizeof(char*) - 7];
2995 EOF
2996     ;;
2997 esac
2998
2999 enable $subarch
3000 enabled spic && enable pic
3001
3002 # OS specific
3003 case $target_os in
3004     haiku)
3005         prefix_default="/boot/common"
3006         network_extralibs="-lnetwork"
3007         host_libs=
3008         ;;
3009     sunos)
3010         FFSERVERLDFLAGS=""
3011         SHFLAGS='-shared -Wl,-h,$$(@F)'
3012         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3013         network_extralibs="-lsocket -lnsl"
3014         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3015         # When using suncc to build, the Solaris linker will mark
3016         # an executable with each instruction set encountered by
3017         # the Solaris assembler.  As our libraries contain their own
3018         # guards for processor-specific code, instead suppress
3019         # generation of the HWCAPS ELF section on Solaris x86 only.
3020         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
3021         nm_default='nm -P -g'
3022         ;;
3023     netbsd)
3024         disable symver
3025         oss_indev_extralibs="-lossaudio"
3026         oss_outdev_extralibs="-lossaudio"
3027         enabled gcc || check_ldflags -Wl,-zmuldefs
3028         ;;
3029     openbsd|bitrig)
3030         # On OpenBSD 4.5. the compiler does not use PIC unless
3031         # explicitly using -fPIC. FFmpeg builds fine without PIC,
3032         # however the generated executable will not do anything
3033         # (simply quits with exit-code 1, no crash, no output).
3034         # Thus explicitly enable PIC here.
3035         enable pic
3036         disable symver
3037         SHFLAGS='-shared'
3038         SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
3039         SLIB_INSTALL_LINKS=
3040         oss_indev_extralibs="-lossaudio"
3041         oss_outdev_extralibs="-lossaudio"
3042         ;;
3043     dragonfly)
3044         disable symver
3045         ;;
3046     freebsd)
3047         ;;
3048     bsd/os)
3049         add_extralibs -lpoll -lgnugetopt
3050         strip="strip -d"
3051         ;;
3052     darwin)
3053         gas="gas-preprocessor.pl $cc"
3054         enabled ppc && add_asflags -force_cpusubtype_ALL
3055         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3056         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3057         strip="${strip} -x"
3058         add_ldflags -Wl,-dynamic,-search_paths_first
3059         SLIBSUF=".dylib"
3060         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3061         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3062         FFSERVERLDFLAGS=-Wl,-bind_at_load
3063         objformat="macho"
3064         enabled x86_64 && objformat="macho64"
3065         enabled_any pic shared ||
3066             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3067         ;;
3068     mingw32*)
3069         if test $target_os = "mingw32ce"; then
3070             disable network
3071         else
3072             target_os=mingw32
3073         fi
3074         LIBTARGET=i386
3075         if enabled x86_64; then
3076             LIBTARGET="i386:x86-64"
3077         elif enabled arm; then
3078             LIBTARGET=arm-wince
3079         fi
3080         shlibdir_default="$bindir_default"
3081         SLIBPREF=""
3082         SLIBSUF=".dll"
3083         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3084         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3085         dlltool="${cross_prefix}dlltool"
3086         if check_cmd lib.exe -list; then
3087             SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3088             if enabled x86_64; then
3089                 LIBTARGET=x64
3090             fi
3091         elif check_cmd $dlltool --version; then
3092             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3093         fi
3094         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3095         SLIB_INSTALL_LINKS=
3096         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3097         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3098         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3099         objformat="win32"
3100         ranlib=:
3101         enable dos_paths
3102         check_cflags -fno-common
3103         add_cppflags -U__STRICT_ANSI__
3104         ;;
3105     cygwin*)
3106         target_os=cygwin
3107         shlibdir_default="$bindir_default"
3108         SLIBPREF="cyg"
3109         SLIBSUF=".dll"
3110         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3111         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3112         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3113         SLIB_INSTALL_LINKS=
3114         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3115         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3116         objformat="win32"
3117         enable dos_paths
3118         check_cflags -fno-common
3119         add_cppflags -U__STRICT_ANSI__
3120         ;;
3121     *-dos|freedos|opendos)
3122         network_extralibs="-lsocket"
3123         objformat="coff"
3124         enable dos_paths
3125         add_cppflags -U__STRICT_ANSI__
3126         ;;
3127     linux)
3128         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3129         enable dv1394
3130         ;;
3131     irix*)
3132         target_os=irix
3133         ranlib="echo ignoring ranlib"
3134         ;;
3135     os/2*)
3136         strip="lxlite -CS"
3137         ln_s="cp -f"
3138         objformat="aout"
3139         add_cppflags -D_GNU_SOURCE
3140         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3141         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3142         FFSERVERLDFLAGS=""
3143         LIBSUF="_s.a"
3144         SLIBPREF=""
3145         SLIBSUF=".dll"
3146         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3147         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3148         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3149             echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3150             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3151             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3152             echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3153             emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3154         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3155             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3156         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3157         enable dos_paths
3158         enable_weak os2threads
3159         ;;
3160     gnu/kfreebsd)
3161         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
3162         ;;
3163     gnu)
3164         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3165         ;;
3166     qnx)
3167         add_cppflags -D_QNX_SOURCE
3168         network_extralibs="-lsocket"
3169         ;;
3170     symbian)
3171         SLIBSUF=".dll"
3172         enable dos_paths
3173         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3174         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3175         add_ldflags -Wl,--target1-abs,--no-undefined \
3176                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3177                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3178         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3179                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3180                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3181         ;;
3182     none)
3183         ;;
3184     *)
3185         die "Unknown OS '$target_os'."
3186         ;;
3187 esac
3188
3189 # determine libc flavour
3190
3191 if check_cpp_condition features.h "defined __UCLIBC__"; then
3192     libc_type=uclibc
3193 elif check_cpp_condition features.h "defined __GLIBC__"; then
3194     libc_type=glibc
3195 elif check_header _mingw.h; then
3196     libc_type=mingw
3197     check_cpp_condition _mingw.h \
3198         "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3199             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3200         die "ERROR: MinGW runtime version must be >= 3.15."
3201     if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3202             __MINGW64_VERSION_MAJOR < 3"; then
3203         enable broken_snprintf
3204         add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3205     fi
3206 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3207     libc_type=newlib
3208 elif check_func_headers stdlib.h _get_doserrno; then
3209     libc_type=msvcrt
3210     enable broken_snprintf
3211     add_cflags -Dstrtod=avpriv_strtod
3212     add_cflags -Dsnprintf=avpriv_snprintf   \
3213                -D_snprintf=avpriv_snprintf  \
3214                -Dvsnprintf=avpriv_vsnprintf
3215 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3216     libc_type=klibc
3217 fi
3218
3219 test -n "$libc_type" && enable $libc_type
3220
3221 esc(){
3222     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3223 }
3224
3225 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3226
3227 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3228
3229 set_default $PATHS_LIST
3230 set_default nm
3231
3232 # we need to build at least one lib type
3233 if ! enabled_any static shared; then
3234     cat <<EOF
3235 At least one library type must be built.
3236 Specify --enable-static to build the static libraries or --enable-shared to
3237 build the shared libraries as well. To only build the shared libraries specify
3238 --disable-static in addition to --enable-shared.
3239 EOF
3240     exit 1;
3241 fi
3242
3243 die_license_disabled() {
3244     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3245 }
3246
3247 die_license_disabled_gpl() {
3248     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3249 }
3250
3251 die_license_disabled gpl libcdio
3252 die_license_disabled gpl libutvideo
3253 die_license_disabled gpl libx264
3254 die_license_disabled gpl libxavs
3255 die_license_disabled gpl libxvid
3256 die_license_disabled gpl x11grab
3257
3258 die_license_disabled nonfree libaacplus
3259 die_license_disabled nonfree libfaac
3260 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3261 enabled gpl && die_license_disabled_gpl nonfree openssl
3262
3263 die_license_disabled version3 libopencore_amrnb
3264 die_license_disabled version3 libopencore_amrwb
3265 die_license_disabled version3 libvo_aacenc
3266 die_license_disabled version3 libvo_amrwbenc
3267
3268 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3269
3270 disabled optimizations || check_cflags -fomit-frame-pointer
3271
3272 enable_pic() {
3273     enable pic
3274     add_cppflags -DPIC
3275     add_cflags   -fPIC
3276     add_asflags  -fPIC
3277 }
3278
3279 enabled pic && enable_pic
3280
3281 check_cc <<EOF || die "Symbol mangling check failed."
3282 int ff_extern;
3283 EOF
3284 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3285 extern_prefix=${sym%%ff_extern*}
3286
3287 check_cc <<EOF && enable_weak inline_asm
3288 void foo(void) { __asm__ volatile ("" ::); }
3289 EOF
3290
3291 _restrict=
3292 for restrict_keyword in restrict __restrict__ __restrict; do
3293     check_cc <<EOF && _restrict=$restrict_keyword && break
3294 void foo(char * $restrict_keyword p);
3295 EOF
3296 done
3297
3298 check_cc <<EOF && enable attribute_packed
3299 struct { int x; } __attribute__((packed)) x;
3300 EOF
3301
3302 check_cc <<EOF && enable attribute_may_alias
3303 union { int x; } __attribute__((may_alias)) x;
3304 EOF
3305
3306 check_cc <<EOF || die "endian test failed"
3307 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3308 EOF
3309 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3310
3311 if enabled alpha; then
3312
3313     check_cflags -mieee
3314
3315 elif enabled arm; then
3316
3317     enabled thumb && check_cflags -mthumb || check_cflags -marm
3318     nogas=die
3319
3320     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3321         enable vfp_args
3322     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3323         case "${cross_prefix:-$cc}" in
3324             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
3325             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3326 __asm__ (".eabi_attribute 28, 1");
3327 int main(void) { return 0; }
3328 EOF
3329         esac
3330         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3331     fi
3332
3333     enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
3334     enabled armv6   && check_inline_asm armv6   '"sadd16 r0, r0, r0"'
3335     enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
3336     enabled armvfp  && check_inline_asm armvfp  '"fadds s0, s0, s0"'
3337     enabled neon    && check_inline_asm neon    '"vadd.i16 q0, q0, q0"'
3338     enabled vfpv3   && check_inline_asm vfpv3   '"vmov.f32 s0, #1.0"'
3339
3340     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3341     check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3342
3343     enabled_all armv6t2 shared !pic && enable_pic
3344
3345 elif enabled mips; then
3346
3347     check_inline_asm loongson '"dmult.g $1, $2, $3"'
3348     enabled mmi && check_inline_asm mmi '"lq $2, 0($2)"'
3349     enabled mips32r2  && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3350      check_inline_asm mips32r2  '"rotr $t0, $t1, 1"'
3351     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3352      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3353     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3354      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3355     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3356      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
3357
3358 elif enabled ppc; then
3359
3360     enable local_aligned_8 local_aligned_16
3361
3362     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3363     check_inline_asm ibm_asm   '"add 0, 0, 0"'
3364     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'
3365     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3366
3367     # AltiVec flags: The FSF version of GCC differs from the Apple version
3368     if enabled altivec; then
3369         nogas=warn
3370         check_cflags -maltivec -mabi=altivec &&
3371         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3372         check_cflags -faltivec
3373
3374         # check if our compiler supports Motorola AltiVec C API
3375         check_cc <<EOF || disable altivec
3376 $inc_altivec_h
3377 int main(void) {
3378     vector signed int v1 = (vector signed int) { 0 };
3379     vector signed int v2 = (vector signed int) { 1 };
3380     v1 = vec_add(v1, v2);
3381     return 0;
3382 }
3383 EOF
3384
3385         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3386     fi
3387
3388 elif enabled sparc; then
3389
3390     enabled vis &&
3391         check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3392             add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3393
3394 elif enabled x86; then
3395
3396     check_code ld immintrin.h "return __xgetbv(0)" "cc" && enable xgetbv
3397     check_code ld intrin.h "int info[4]; __cpuid(info, 0)" "cc" && enable cpuid
3398     check_code ld intrin.h "__rdtsc()" "cc" && enable rdtsc
3399     check_code ld intrin.h "unsigned int x = __readeflags()" "cc" && enable rweflags
3400
3401     check_code ld mmintrin.h "_mm_empty()" "cc" && enable mm_empty
3402
3403     enable local_aligned_8 local_aligned_16
3404
3405     # check whether EBP is available on x86
3406     # As 'i' is stored on the stack, this program will crash
3407     # if the base pointer is used to access it because the
3408     # base pointer is cleared in the inline assembly code.
3409     check_exec_crash <<EOF && enable ebp_available
3410 volatile int i=0;
3411 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3412 return i;
3413 EOF
3414
3415     # check whether EBX is available on x86
3416     check_inline_asm ebx_available '""::"b"(0)' &&
3417         check_inline_asm ebx_available '"":::"%ebx"'
3418
3419     # check whether xmm clobbers are supported
3420     check_inline_asm xmm_clobbers '"":::"%xmm0"'
3421
3422     # check whether binutils is new enough to compile SSSE3/MMXEXT
3423     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'
3424     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3425
3426     if ! disabled_any asm mmx yasm; then
3427         if check_cmd $yasmexe --version; then
3428             enabled x86_64 && yasm_extra="-m amd64"
3429             yasm_debug="-g dwarf2"
3430         elif check_cmd nasm -v; then
3431             yasmexe=nasm
3432             yasm_debug="-g -F dwarf"
3433             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3434         fi
3435
3436         YASMFLAGS="-f $objformat $yasm_extra"
3437         enabled pic               && append YASMFLAGS "-DPIC"
3438         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3439         case "$objformat" in
3440             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3441         esac
3442
3443         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3444             die "yasm not found, use --disable-yasm for a crippled build"
3445         check_yasm "vextractf128 xmm0, ymm0, 0"      || disable avx_external
3446         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3447         check_yasm "CPU amdnop" && enable cpunop
3448     fi
3449
3450     case "$cpu" in
3451         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3452             disable fast_clz
3453         ;;
3454     esac
3455
3456 fi
3457
3458 if enabled asm; then
3459     as=${gas:=$as}
3460     check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3461         $nogas "GNU assembler not found, install gas-preprocessor"
3462 fi
3463
3464 check_ldflags -Wl,--as-needed
3465
3466 if check_func dlopen; then
3467     ldl=
3468 elif check_func dlopen -ldl; then
3469     ldl=-ldl
3470 fi
3471
3472 if enabled network; then
3473     check_type "sys/types.h sys/socket.h" socklen_t
3474     check_type netdb.h "struct addrinfo"
3475     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3476     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3477     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3478     check_type netinet/in.h "struct sockaddr_in6"
3479     check_type poll.h "struct pollfd"
3480     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3481     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3482     check_type netinet/sctp.h "struct sctp_event_subscribe"
3483     check_func getaddrinfo $network_extralibs
3484     # Prefer arpa/inet.h over winsock2
3485     if check_header arpa/inet.h ; then
3486         check_func closesocket
3487     elif check_header winsock2.h ; then
3488         check_func_headers winsock2.h closesocket -lws2 &&
3489             network_extralibs="-lws2" ||
3490         { check_func_headers winsock2.h closesocket -lws2_32 &&
3491             network_extralibs="-lws2_32"; }
3492         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3493         check_type ws2tcpip.h socklen_t
3494         check_type ws2tcpip.h "struct addrinfo"
3495         check_type ws2tcpip.h "struct group_source_req"
3496         check_type ws2tcpip.h "struct ip_mreq_source"
3497         check_type ws2tcpip.h "struct ipv6_mreq"
3498         check_type winsock2.h "struct pollfd"
3499         check_type ws2tcpip.h "struct sockaddr_in6"
3500         check_type ws2tcpip.h "struct sockaddr_storage"
3501         check_struct winsock2.h "struct sockaddr" sa_len
3502     else
3503         disable network
3504     fi
3505 fi
3506
3507 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3508 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3509
3510 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3511 check_func  fcntl
3512 check_func  fork
3513 check_func  gethrtime
3514 check_func  getopt
3515 check_func  getrusage
3516 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3517 check_func  gettimeofday
3518 check_func  inet_aton $network_extralibs
3519 check_func  isatty
3520 check_func  localtime_r
3521 check_func  ${malloc_prefix}memalign            && enable memalign
3522 check_func  mkstemp
3523 check_func  mmap
3524 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3525 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
3526 check_func  setrlimit
3527 check_func  strerror_r
3528 check_func  sched_getaffinity
3529 check_func  sysconf
3530 check_func  sysctl
3531 check_func  usleep
3532 check_func_headers conio.h kbhit
3533 check_func_headers windows.h PeekNamedPipe
3534 check_func_headers io.h setmode
3535 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3536 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3537 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3538 check_func_headers windows.h GetProcessAffinityMask
3539 check_func_headers windows.h GetProcessTimes
3540 check_func_headers windows.h GetSystemTimeAsFileTime
3541 check_func_headers windows.h MapViewOfFile
3542 check_func_headers windows.h Sleep
3543 check_func_headers windows.h VirtualAlloc
3544 check_func_headers glob.h glob
3545
3546 check_header direct.h
3547 check_header dlfcn.h
3548 check_header dxva.h
3549 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3550 check_header io.h
3551 check_header libcrystalhd/libcrystalhd_if.h
3552 check_header malloc.h
3553 check_header poll.h
3554 check_header sys/mman.h
3555 check_header sys/param.h
3556 check_header sys/resource.h
3557 check_header sys/select.h
3558 check_header sys/time.h
3559 check_header termios.h
3560 check_header unistd.h
3561 check_header vdpau/vdpau.h
3562 check_header vdpau/vdpau_x11.h
3563 check_header windows.h
3564 check_header X11/extensions/XvMClib.h
3565 check_header asm/types.h
3566
3567 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3568 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3569
3570 # check for VDA header
3571 if ! disabled vda && ! enabled ppc; then
3572     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3573         enable vda
3574         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3575     fi
3576 fi
3577
3578 if ! disabled w32threads && ! enabled pthreads; then
3579     check_func _beginthreadex && enable w32threads
3580 fi
3581
3582 # check for some common methods of building with pthread support
3583 # do this before the optional library checks as some of them require pthreads
3584 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3585     enable pthreads
3586     if check_func pthread_create; then
3587         :
3588     elif check_func pthread_create -pthread; then
3589         add_cflags -pthread
3590         add_extralibs -pthread
3591     elif check_func pthread_create -pthreads; then
3592         add_cflags -pthreads
3593         add_extralibs -pthreads
3594     elif check_func pthread_create -lpthreadGC2; then
3595         add_extralibs -lpthreadGC2
3596     elif ! check_lib pthread.h pthread_create -lpthread; then
3597         disable pthreads
3598     fi
3599 fi
3600
3601 for thread in $THREADS_LIST; do
3602     if enabled $thread; then
3603         test -n "$thread_type" &&
3604             die "ERROR: Only one thread type must be selected." ||
3605             thread_type="$thread"
3606     fi
3607 done
3608
3609 if enabled pthreads; then
3610   check_func pthread_cancel
3611 fi
3612
3613 check_lib math.h sin -lm && LIBM="-lm"
3614 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3615 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3616
3617 check_mathfunc cbrtf
3618 check_mathfunc exp2
3619 check_mathfunc exp2f
3620 check_mathfunc isinf
3621 check_mathfunc isnan
3622 check_mathfunc llrint
3623 check_mathfunc llrintf
3624 check_mathfunc log2
3625 check_mathfunc log2f
3626 check_mathfunc lrint
3627 check_mathfunc lrintf
3628 check_mathfunc rint
3629 check_mathfunc round
3630 check_mathfunc roundf
3631 check_mathfunc trunc
3632 check_mathfunc truncf
3633
3634 # these are off by default, so fail if requested and not available
3635 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3636 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3637 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3638 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3639 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
3640 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3641 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3642 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3643 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3644                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3645                         die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
3646 enabled libcaca    && require_pkg_config caca caca.h caca_create_canvas
3647 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3648 enabled libfdk_aac && require  libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3649 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"
3650 enabled libflite   && require2 libflite "flite/flite.h" flite_init $flite_libs
3651 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3652 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3653 enabled libilbc    && require  libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3654 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3655 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3656 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3657 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3658 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3659 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3660 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3661 enabled libopus    && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3662 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3663 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3664 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3665 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3666 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3667     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3668     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3669 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3670 enabled libtwolame && require  libtwolame twolame.h twolame_init -ltwolame &&
3671                       { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
3672                         die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
3673 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3674 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3675 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3676 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3677 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3678 enabled libvpx     && {
3679     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3680                                 die "ERROR: libvpx decoder must be installed and version must be >=0.9.1"; }
3681     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
3682                                 die "ERROR: libvpx encoder version must be >=0.9.7"; } }
3683 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3684                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3685                         die "ERROR: libx264 must be installed and version must be >= 0.118."; }
3686 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3687 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3688 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3689                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3690                         die "ERROR: openal not found"; } &&
3691                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3692                         die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
3693 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3694                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3695                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3696                         die "ERROR: openssl not found"; }
3697
3698 if enabled gnutls; then
3699     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3700     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3701 fi
3702
3703 # libdc1394 check
3704 if enabled libdc1394; then
3705     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3706         enable libdc1394_2; } ||
3707     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3708         enable libdc1394_1; } ||
3709     die "ERROR: No version of libdc1394 found "
3710 fi
3711
3712 SDL_CONFIG="${cross_prefix}sdl-config"
3713 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3714     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3715     enable sdl &&
3716     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3717 else
3718   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3719     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3720     sdl_libs=$("${SDL_CONFIG}" --libs)
3721     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3722     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3723     enable sdl &&
3724     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3725   fi
3726 fi
3727 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3728
3729 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
3730 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3731 perl --version > /dev/null 2>&1 && enable perl || disable perl
3732 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
3733
3734 check_header linux/fb.h
3735 check_header linux/videodev.h
3736 check_header linux/videodev2.h
3737 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3738
3739 check_header sys/videoio.h
3740
3741 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3742 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3743 # w32api 3.12 had it defined wrong
3744 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3745
3746 check_type "dshow.h" IBaseFilter
3747
3748 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3749 { check_header dev/bktr/ioctl_meteor.h &&
3750   check_header dev/bktr/ioctl_bt848.h; } ||
3751 { check_header machine/ioctl_meteor.h &&
3752   check_header machine/ioctl_bt848.h; } ||
3753 { check_header dev/video/meteor/ioctl_meteor.h &&
3754   check_header dev/video/bktr/ioctl_bt848.h; } ||
3755 check_header dev/ic/bt8xx.h
3756
3757 check_header sndio.h
3758 if check_struct sys/soundcard.h audio_buf_info bytes; then
3759     enable_safe sys/soundcard.h
3760 else
3761     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3762     #include <sys/soundcard.h>
3763     audio_buf_info abc;
3764 EOF
3765 fi
3766 check_header soundcard.h
3767
3768 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3769
3770 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
3771     check_func jack_port_get_latency_range -ljack
3772
3773 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3774
3775 enabled libcdio &&
3776     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3777
3778 enabled x11grab                                           &&
3779 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3780 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3781 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3782
3783 if ! disabled vaapi; then
3784     check_lib va/va.h vaInitialize -lva && {
3785         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3786         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3787     } || disable vaapi
3788 fi
3789
3790 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3791     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3792         { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." && disable vdpau; }
3793 fi
3794
3795 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3796 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3797 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"
3798
3799 # add some useful compiler flags if supported
3800 check_cflags -Wdeclaration-after-statement
3801 check_cflags -Wall
3802 check_cflags -Wno-parentheses
3803 check_cflags -Wno-switch
3804 check_cflags -Wno-format-zero-length
3805 check_cflags -Wdisabled-optimization
3806 check_cflags -Wpointer-arith
3807 check_cflags -Wredundant-decls
3808 check_cflags -Wno-pointer-sign
3809 check_cflags -Wwrite-strings
3810 check_cflags -Wtype-limits
3811 check_cflags -Wundef
3812 check_cflags -Wmissing-prototypes
3813 check_cflags -Wno-pointer-to-int-cast
3814 check_cflags -Wstrict-prototypes
3815 enabled extra_warnings && check_cflags -Winline
3816
3817 # add some linker flags
3818 check_ldflags -Wl,--warn-common
3819 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3820 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3821
3822 enabled xmm_clobber_test &&
3823     check_ldflags -Wl,--wrap,avcodec_open2              \
3824                   -Wl,--wrap,avcodec_decode_audio4      \
3825                   -Wl,--wrap,avcodec_decode_video2      \
3826                   -Wl,--wrap,avcodec_decode_subtitle2   \
3827                   -Wl,--wrap,avcodec_encode_audio2      \
3828                   -Wl,--wrap,avcodec_encode_video       \
3829                   -Wl,--wrap,avcodec_encode_subtitle    \
3830                   -Wl,--wrap,sws_scale ||
3831     disable xmm_clobber_test
3832
3833 echo "X{};" > $TMPV
3834 if test_ldflags -Wl,--version-script,$TMPV; then
3835     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3836     check_cc <<EOF && enable symver_asm_label
3837 void ff_foo(void) __asm__ ("av_foo@VERSION");
3838 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3839 EOF
3840     check_cc <<EOF && enable symver_gnu_asm
3841 __asm__(".symver ff_foo,av_foo@VERSION");
3842 void ff_foo(void) {}
3843 EOF
3844 fi
3845
3846 if [ -n "$optflags" ]; then
3847     add_cflags $optflags
3848 elif enabled small; then
3849     add_cflags $cflags_size
3850 elif enabled optimizations; then
3851     add_cflags $cflags_speed
3852 else
3853     add_cflags $cflags_noopt
3854 fi
3855 check_cflags -fno-math-errno
3856 check_cflags -fno-signed-zeros
3857 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3858 int x;
3859 EOF
3860
3861
3862 if enabled icc; then
3863     # Just warnings, no remarks
3864     check_cflags -w1
3865     # -wd: Disable following warnings
3866     # 144, 167, 556: -Wno-pointer-sign
3867     # 1292: attribute "foo" ignored
3868     # 1419: external declaration in primary source file
3869     # 10006: ignoring unknown option -fno-signed-zeros
3870     # 10148: ignoring unknown option -Wno-parentheses
3871     # 10156: ignoring option '-W'; no argument required
3872     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3873     # 11030: Warning unknown option --as-needed
3874     # 10156: ignoring option '-export'; no argument required
3875     check_ldflags -wd10156,11030
3876     # Allow to compile with optimizations
3877     check_ldflags -march=$cpu
3878     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3879     enable ebp_available
3880     if enabled x86_32; then
3881         icc_version=$($cc -dumpversion)
3882         test ${icc_version%%.*} -ge 11 &&
3883             check_cflags -falign-stack=maintain-16-byte ||
3884             disable aligned_stack
3885     fi
3886 elif enabled ccc; then
3887     # disable some annoying warnings
3888     add_cflags -msg_disable cvtu32to64
3889     add_cflags -msg_disable embedcomment
3890     add_cflags -msg_disable needconstext
3891     add_cflags -msg_disable nomainieee
3892     add_cflags -msg_disable ptrmismatch1
3893     add_cflags -msg_disable unreachcode
3894 elif enabled gcc; then
3895     check_cflags -fno-tree-vectorize
3896     check_cflags -Werror=implicit-function-declaration
3897     check_cflags -Werror=missing-prototypes
3898 elif enabled llvm_gcc; then
3899     check_cflags -mllvm -stack-alignment=16
3900 elif enabled clang; then
3901     check_cflags -mllvm -stack-alignment=16
3902     check_cflags -Qunused-arguments
3903 elif enabled armcc; then
3904     # 2523: use of inline assembler is deprecated
3905     add_cflags -W${armcc_opt},--diag_suppress=2523
3906     add_cflags -W${armcc_opt},--diag_suppress=1207
3907     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3908     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3909     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3910     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3911 elif enabled tms470; then
3912     add_cflags -pds=824 -pds=837
3913 elif enabled pathscale; then
3914     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3915 elif enabled msvc; then
3916     enabled x86_32 && disable aligned_stack
3917 fi
3918
3919 enabled_any $THREADS_LIST      && enable threads
3920
3921 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3922
3923 check_deps $CONFIG_LIST       \
3924            $CONFIG_EXTRA      \
3925            $HAVE_LIST         \
3926            $ALL_COMPONENTS    \
3927            $ALL_TESTS         \
3928
3929
3930 if test $target_os = "haiku"; then
3931     disable memalign
3932     disable posix_memalign
3933 fi
3934
3935 ! enabled_any memalign posix_memalign aligned_malloc &&
3936     enabled_any $need_memalign && enable memalign_hack
3937
3938 # add_dep lib dep
3939 # -> enable ${lib}_deps_${dep}
3940 # -> add $dep to ${lib}_deps only once
3941 add_dep() {
3942     lib=$1
3943     dep=$2
3944     enabled "${lib}_deps_${dep}" && return 0
3945     enable  "${lib}_deps_${dep}"
3946     prepend "${lib}_deps" $dep
3947 }
3948
3949 # merge deps lib components
3950 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3951 merge_deps() {
3952     lib=$1
3953     shift
3954     for comp in $*; do
3955         enabled $comp || continue
3956         eval "dep=\"\$${comp}_deps\""
3957         for d in $dep; do
3958             add_dep $lib $d
3959         done
3960     done
3961 }
3962
3963 merge_deps libavfilter $FILTER_LIST
3964
3965 echo "install prefix            $prefix"
3966 echo "source path               $source_path"
3967 echo "C compiler                $cc"
3968 echo "ARCH                      $arch ($cpu)"
3969 if test "$build_suffix" != ""; then
3970     echo "build suffix              $build_suffix"
3971 fi
3972 if test "$progs_suffix" != ""; then
3973     echo "progs suffix              $progs_suffix"
3974 fi
3975 if test "$extra_version" != ""; then
3976     echo "version string suffix     $extra_version"
3977 fi
3978 echo "big-endian                ${bigendian-no}"
3979 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3980 if enabled x86; then
3981     echo "${yasmexe}                      ${yasm-no}"
3982     echo "MMX enabled               ${mmx-no}"
3983     echo "MMXEXT enabled            ${mmxext-no}"
3984     echo "3DNow! enabled            ${amd3dnow-no}"
3985     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3986     echo "SSE enabled               ${sse-no}"
3987     echo "SSSE3 enabled             ${ssse3-no}"
3988     echo "AVX enabled               ${avx-no}"
3989     echo "FMA4 enabled              ${fma4-no}"
3990     echo "CMOV enabled              ${cmov-no}"
3991     echo "CMOV is fast              ${fast_cmov-no}"
3992     echo "EBX available             ${ebx_available-no}"
3993     echo "EBP available             ${ebp_available-no}"
3994 fi
3995 if enabled arm; then
3996     echo "ARMv5TE enabled           ${armv5te-no}"
3997     echo "ARMv6 enabled             ${armv6-no}"
3998     echo "ARMv6T2 enabled           ${armv6t2-no}"
3999     echo "ARM VFP enabled           ${armvfp-no}"
4000     echo "NEON enabled              ${neon-no}"
4001 fi
4002 if enabled mips; then
4003     echo "MMI enabled               ${mmi-no}"
4004     echo "MIPS FPU enabled          ${mipsfpu-no}"
4005     echo "MIPS32R2 enabled          ${mips32r2-no}"
4006     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
4007     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
4008 fi
4009 if enabled ppc; then
4010     echo "AltiVec enabled           ${altivec-no}"
4011     echo "PPC 4xx optimizations     ${ppc4xx-no}"
4012     echo "dcbzl available           ${dcbzl-no}"
4013 fi
4014 if enabled sparc; then
4015     echo "VIS enabled               ${vis-no}"
4016 fi
4017 echo "debug symbols             ${debug-no}"
4018 echo "strip symbols             ${stripping-no}"
4019 echo "optimize for size         ${small-no}"
4020 echo "optimizations             ${optimizations-no}"
4021 echo "static                    ${static-no}"
4022 echo "shared                    ${shared-no}"
4023 echo "postprocessing support    ${postproc-no}"
4024 echo "new filter support        ${avfilter-no}"
4025 echo "network support           ${network-no}"
4026 echo "threading support         ${thread_type-no}"
4027 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
4028 echo "SDL support               ${sdl-no}"
4029 echo "libdxva2 enabled          ${dxva2-no}"
4030 echo "libva enabled             ${vaapi-no}"
4031 echo "libvdpau enabled          ${vdpau-no}"
4032 echo "AVISynth enabled          ${avisynth-no}"
4033 echo "frei0r enabled            ${frei0r-no}"
4034 echo "gnutls enabled            ${gnutls-no}"
4035 echo "libaacplus enabled        ${libaacplus-no}"
4036 echo "libass enabled            ${libass-no}"
4037 echo "libcaca enabled           ${libcaca-no}"
4038 echo "libcdio support           ${libcdio-no}"
4039 echo "libcelt enabled           ${libcelt-no}"
4040 echo "libdc1394 support         ${libdc1394-no}"
4041 echo "libfaac enabled           ${libfaac-no}"
4042 echo "libfdk-aac enabled        ${libfdk_aac-no}"
4043 echo "libgsm enabled            ${libgsm-no}"
4044 echo "libiec61883 support       ${libiec61883-no}"
4045 echo "libilbc enabled           ${libilbc-no}"
4046 echo "libmodplug enabled        ${libmodplug-no}"
4047 echo "libmp3lame enabled        ${libmp3lame-no}"
4048 echo "libnut enabled            ${libnut-no}"
4049 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
4050 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
4051 echo "libopencv support         ${libopencv-no}"
4052 echo "libopenjpeg enabled       ${libopenjpeg-no}"
4053 echo "libopus enabled           ${libopus-no}"
4054 echo "libpulse enabled          ${libpulse-no}"
4055 echo "librtmp enabled           ${librtmp-no}"
4056 echo "libschroedinger enabled   ${libschroedinger-no}"
4057 echo "libspeex enabled          ${libspeex-no}"
4058 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
4059 echo "libtheora enabled         ${libtheora-no}"
4060 echo "libtwolame enabled        ${libtwolame-no}"
4061 echo "libutvideo enabled        ${libutvideo-no}"
4062 echo "libv4l2 enabled           ${libv4l2-no}"
4063 echo "libvo-aacenc support      ${libvo_aacenc-no}"
4064 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
4065 echo "libvorbis enabled         ${libvorbis-no}"
4066 echo "libvpx enabled            ${libvpx-no}"
4067 echo "libx264 enabled           ${libx264-no}"
4068 echo "libxavs enabled           ${libxavs-no}"
4069 echo "libxvid enabled           ${libxvid-no}"
4070 echo "openal enabled            ${openal-no}"
4071 echo "openssl enabled           ${openssl-no}"
4072 echo "zlib enabled              ${zlib-no}"
4073 echo "bzlib enabled             ${bzlib-no}"
4074 echo "texi2html enabled         ${texi2html-no}"
4075 echo "perl enabled              ${perl-no}"
4076 echo "pod2man enabled           ${pod2man-no}"
4077 echo "makeinfo enabled          ${makeinfo-no}"
4078 test -n "$random_seed" &&
4079     echo "random seed               ${random_seed}"
4080 echo
4081
4082 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4083     echo "Enabled ${type}s:"
4084     eval list=\$$(toupper $type)_LIST
4085     print_enabled '_*' $list | sort | pr -r -3 -t
4086     echo
4087 done
4088
4089 license="LGPL version 2.1 or later"
4090 if enabled nonfree; then
4091     license="nonfree and unredistributable"
4092 elif enabled gplv3; then
4093     license="GPL version 3 or later"
4094 elif enabled lgplv3; then
4095     license="LGPL version 3 or later"
4096 elif enabled gpl; then
4097     license="GPL version 2 or later"
4098 fi
4099
4100 echo "License: $license"
4101
4102 echo "Creating config.mak and config.h..."
4103
4104 test -e Makefile || $ln_s "$source_path/Makefile" .
4105
4106 enabled stripping || strip="echo skipping strip"
4107
4108 config_files="$TMPH config.mak"
4109
4110 cat > config.mak <<EOF
4111 # Automatically generated by configure - do not modify!
4112 ifndef FFMPEG_CONFIG_MAK
4113 FFMPEG_CONFIG_MAK=1
4114 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4115 prefix=$prefix
4116 LIBDIR=\$(DESTDIR)$libdir
4117 SHLIBDIR=\$(DESTDIR)$shlibdir
4118 INCDIR=\$(DESTDIR)$incdir
4119 BINDIR=\$(DESTDIR)$bindir
4120 DATADIR=\$(DESTDIR)$datadir
4121 MANDIR=\$(DESTDIR)$mandir
4122 SRC_PATH=$source_path
4123 ifndef MAIN_MAKEFILE
4124 SRC_PATH:=\$(SRC_PATH:.%=..%)
4125 endif
4126 CC_IDENT=$cc_ident
4127 ARCH=$arch
4128 CC=$cc
4129 CXX=$cxx
4130 AS=$as
4131 LD=$ld
4132 DEPCC=$dep_cc
4133 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4134 DEPAS=$as
4135 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4136 YASM=$yasmexe
4137 DEPYASM=$yasmexe
4138 AR=$ar
4139 ARFLAGS=$arflags
4140 AR_O=$ar_o
4141 RANLIB=$ranlib
4142 CP=cp -p
4143 LN_S=$ln_s
4144 STRIP=$strip
4145 CPPFLAGS=$CPPFLAGS
4146 CFLAGS=$CFLAGS
4147 CXXFLAGS=$CXXFLAGS
4148 ASFLAGS=$ASFLAGS
4149 AS_C=$AS_C
4150 AS_O=$AS_O
4151 CC_C=$CC_C
4152 CC_O=$CC_O
4153 CXX_C=$CXX_C
4154 CXX_O=$CXX_O
4155 LD_O=$LD_O
4156 LD_LIB=$LD_LIB
4157 LD_PATH=$LD_PATH
4158 DLLTOOL=$dlltool
4159 LDFLAGS=$LDFLAGS
4160 LDFLAGS-ffserver=$FFSERVERLDFLAGS
4161 SHFLAGS=$SHFLAGS
4162 YASMFLAGS=$YASMFLAGS
4163 BUILDSUF=$build_suffix
4164 PROGSSUF=$progs_suffix
4165 FULLNAME=$FULLNAME
4166 LIBPREF=$LIBPREF
4167 LIBSUF=$LIBSUF
4168 LIBNAME=$LIBNAME
4169 SLIBPREF=$SLIBPREF
4170 SLIBSUF=$SLIBSUF
4171 EXESUF=$EXESUF
4172 EXTRA_VERSION=$extra_version
4173 CCDEP=$CCDEP
4174 CXXDEP=$CXXDEP
4175 CCDEP_FLAGS=$CCDEP_FLAGS
4176 ASDEP=$ASDEP
4177 ASDEP_FLAGS=$ASDEP_FLAGS
4178 CC_DEPFLAGS=$CC_DEPFLAGS
4179 AS_DEPFLAGS=$AS_DEPFLAGS
4180 HOSTCC=$host_cc
4181 HOSTLD=$host_ld
4182 HOSTCFLAGS=$host_cflags
4183 HOSTEXESUF=$HOSTEXESUF
4184 HOSTLDFLAGS=$host_ldflags
4185 HOSTLIBS=$host_libs
4186 DEPHOSTCC=$host_cc
4187 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4188 HOSTCCDEP=$HOSTCCDEP
4189 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4190 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4191 HOSTCC_C=$HOSTCC_C
4192 HOSTCC_O=$HOSTCC_O
4193 HOSTLD_O=$HOSTLD_O
4194 TARGET_EXEC=$target_exec
4195 TARGET_PATH=$target_path
4196 LIBS-ffplay=$sdl_libs
4197 CFLAGS-ffplay=$sdl_cflags
4198 ZLIB=$($ldflags_filter -lz)
4199 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4200 EXTRALIBS=$extralibs
4201 INSTALL=$install
4202 LIBTARGET=${LIBTARGET}
4203 SLIBNAME=${SLIBNAME}
4204 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4205 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4206 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4207 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4208 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4209 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4210 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4211 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4212 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4213 NOREDZONE_FLAGS=$noredzone_flags
4214 EOF
4215
4216 get_version(){
4217     lcname=$1
4218     name=$(toupper $lcname)
4219     file=$source_path/$lcname/version.h
4220     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4221     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4222     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4223     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4224 }
4225
4226 get_version_old(){
4227     name=$1
4228     file=$source_path/$2
4229 # This condition will be removed when we stop supporting old libpostproc versions
4230 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
4231     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4232     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4233 fi
4234     lcname=$(tolower $name)
4235     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4236     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4237 }
4238
4239 get_version_old LIBPOSTPROC libpostproc/postprocess.h
4240 get_version_old LIBSWRESAMPLE libswresample/swresample.h
4241
4242 get_version libavcodec
4243 get_version libavdevice
4244 get_version libavfilter
4245 get_version libavformat
4246 get_version libavresample
4247 get_version libavutil
4248 get_version libswscale
4249
4250 cat > $TMPH <<EOF
4251 /* Automatically generated by configure - do not modify! */
4252 #ifndef FFMPEG_CONFIG_H
4253 #define FFMPEG_CONFIG_H
4254 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4255 #define FFMPEG_LICENSE "$(c_escape $license)"
4256 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4257 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4258 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4259 #define av_restrict $_restrict
4260 #define EXTERN_PREFIX "${extern_prefix}"
4261 #define EXTERN_ASM ${extern_prefix}
4262 #define SLIBSUF "$SLIBSUF"
4263 #define HAVE_MMX2 HAVE_MMXEXT
4264 EOF
4265
4266 test -n "$assert_level" &&
4267     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4268
4269 test -n "$malloc_prefix" &&
4270     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4271
4272 if enabled yasm; then
4273     append config_files $TMPASM
4274     printf '' >$TMPASM
4275 fi
4276
4277 print_config ARCH_   "$config_files" $ARCH_LIST
4278 print_config HAVE_   "$config_files" $HAVE_LIST
4279 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
4280                                      $CONFIG_EXTRA      \
4281                                      $ALL_COMPONENTS    \
4282
4283 cat >>config.mak <<EOF
4284 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
4285 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
4286 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
4287 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
4288 EOF
4289
4290 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4291 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4292
4293 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4294 cp_if_changed $TMPH config.h
4295 touch .config
4296
4297 enabled yasm && cp_if_changed $TMPASM config.asm
4298
4299 cat > $TMPH <<EOF
4300 /* Generated by ffconf */
4301 #ifndef AVUTIL_AVCONFIG_H
4302 #define AVUTIL_AVCONFIG_H
4303 EOF
4304
4305 test "$postproc_version" != current && cat >> $TMPH <<EOF
4306 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
4307 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
4308 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
4309 EOF
4310
4311 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4312
4313 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4314
4315 cp_if_changed $TMPH libavutil/avconfig.h
4316
4317 test -n "$WARNINGS" && printf "\n$WARNINGS"
4318
4319 # build pkg-config files
4320
4321 pkgconfig_generate(){
4322     name=$1
4323     shortname=${name#lib}${build_suffix}
4324     comment=$2
4325     version=$3
4326     libs=$4
4327     requires=$5
4328     enabled ${name#lib} || return 0
4329     mkdir -p $name
4330     cat <<EOF > $name/$name.pc
4331 prefix=$prefix
4332 exec_prefix=\${prefix}
4333 libdir=$libdir
4334 includedir=$incdir
4335
4336 Name: $name
4337 Description: $comment
4338 Version: $version
4339 Requires: $(enabled shared || echo $requires)
4340 Requires.private: $(enabled shared && echo $requires)
4341 Conflicts:
4342 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4343 Libs.private: $(enabled shared && echo $libs)
4344 Cflags: -I\${includedir}
4345 EOF
4346
4347 mkdir -p doc/examples/pc-uninstalled
4348 includedir=${source_path}
4349 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4350     cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4351 prefix=
4352 exec_prefix=
4353 libdir=\${pcfiledir}/../../../$name
4354 includedir=${includedir}
4355
4356 Name: $name
4357 Description: $comment
4358 Version: $version
4359 Requires: $requires
4360 Conflicts:
4361 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4362 Cflags: -I\${includedir}
4363 EOF
4364 }
4365
4366 libavfilter_pc_deps=""
4367 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
4368 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
4369 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
4370 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
4371 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
4372 libavfilter_pc_deps=${libavfilter_pc_deps%, }
4373
4374 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
4375 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
4376
4377 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4378 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
4379 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
4380 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
4381 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
4382 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
4383 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
4384 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4385 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4386
4387 fix_ffmpeg_remote(){
4388     git_remote_from=$1
4389     git_remote_to=$2
4390     fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
4391     if [ "$fixme_remote" != "" ]; then
4392         echolog "
4393 Outdated domain in git config, the official domain for ffmpeg git is since
4394 November 2011, source.ffmpeg.org, both the old and the new point to the same
4395 repository and server. To update it enter the following commands:
4396 "
4397         for remote in $fixme_remote; do
4398             echolog "git remote set-url $remote $git_remote_to"
4399         done
4400     fi
4401 }
4402
4403 if test -f "$source_path/.git/config"; then
4404     remote_from=git.videolan.org
4405     remote_to=source.ffmpeg.org
4406     fix_ffmpeg_remote git@$remote_from:ffmpeg   git@$remote_to:ffmpeg
4407     fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg
4408 fi