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 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1954 png_test_deps="zlib"
1955 pp_test_deps="mp_filter"
1956 pp2_test_deps="mp_filter"
1957 pp3_test_deps="mp_filter"
1958 pp4_test_deps="mp_filter"
1959 pp5_test_deps="mp_filter"
1960 pp6_test_deps="mp_filter"
1961 seek_flashsv_flv_test_deps="zlib"
1962 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1963
1964 test_deps(){
1965     suf1=$1
1966     suf2=$2
1967     shift 2
1968     for v; do
1969         dep=${v%=*}
1970         tests=${v#*=}
1971         for name in ${tests}; do
1972             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1973         done
1974     done
1975 }
1976
1977 test_deps _muxer _demuxer                                               \
1978     aiff                                                                \
1979     pcm_alaw=alaw                                                       \
1980     asf                                                                 \
1981     au                                                                  \
1982     avi                                                                 \
1983     dv=dv_fmt                                                           \
1984     ffm                                                                 \
1985     flv=flv_fmt                                                         \
1986     gxf                                                                 \
1987     matroska=mkv                                                        \
1988     mmf                                                                 \
1989     mov="mov ismv"                                                      \
1990     pcm_mulaw=mulaw                                                     \
1991     mxf="mxf mxf_d10"                                                   \
1992     nut                                                                 \
1993     ogg="ogg ogg_vp3"                                                   \
1994     rawvideo=pixfmt                                                     \
1995     rm                                                                  \
1996     swf                                                                 \
1997     mpegts=ts                                                           \
1998     voc                                                                 \
1999     wav                                                                 \
2000     yuv4mpegpipe=yuv4mpeg                                               \
2001
2002 # default parameters
2003
2004 logfile="config.log"
2005
2006 # installation paths
2007 prefix_default="/usr/local"
2008 bindir_default='${prefix}/bin'
2009 datadir_default='${prefix}/share/ffmpeg'
2010 incdir_default='${prefix}/include'
2011 libdir_default='${prefix}/lib'
2012 mandir_default='${prefix}/share/man'
2013 shlibdir_default="$libdir_default"
2014 postproc_version_default="current"
2015
2016 # toolchain
2017 ar_default="ar"
2018 cc_default="gcc"
2019 cxx_default="g++"
2020 host_cc_default="gcc"
2021 install="install"
2022 ln_s="ln -sf"
2023 nm_default="nm -g"
2024 objformat="elf"
2025 pkg_config_default=pkg-config
2026 ranlib="ranlib"
2027 strip_default="strip"
2028 yasmexe_default="yasm"
2029
2030 nogas=":"
2031
2032 # machine
2033 arch_default=$(uname -m)
2034 cpu="generic"
2035
2036 # OS
2037 target_os_default=$(tolower $(uname -s))
2038 host_os=$target_os_default
2039
2040 # alternative libpostproc version
2041 ALT_PP_VER_MAJOR=51
2042 ALT_PP_VER_MINOR=2
2043 ALT_PP_VER_MICRO=101
2044 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
2045
2046 # configurable options
2047 enable $PROGRAM_LIST
2048 enable $DOCUMENT_LIST
2049
2050 enable avcodec
2051 enable avdevice
2052 enable avfilter
2053 enable avformat
2054 enable avutil
2055 enable postproc
2056 enable stripping
2057 enable swresample
2058 enable swscale
2059
2060 enable asm
2061 enable debug
2062 enable doc
2063 enable network
2064 enable optimizations
2065 enable runtime_cpudetect
2066 enable safe_bitstream_reader
2067 enable static
2068 enable swscale_alpha
2069
2070 # build settings
2071 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2072 FFSERVERLDFLAGS=-Wl,-E
2073 LIBPREF="lib"
2074 LIBSUF=".a"
2075 FULLNAME='$(NAME)$(BUILDSUF)'
2076 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2077 SLIBPREF="lib"
2078 SLIBSUF=".so"
2079 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2080 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2081 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2082 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2083 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2084 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2085
2086 asflags_filter=echo
2087 cflags_filter=echo
2088 ldflags_filter=echo
2089
2090 AS_C='-c'
2091 AS_O='-o $@'
2092 CC_C='-c'
2093 CC_E='-E -o $@'
2094 CC_O='-o $@'
2095 CXX_C='-c'
2096 CXX_O='-o $@'
2097 LD_O='-o $@'
2098 LD_LIB='-l%'
2099 LD_PATH='-L'
2100 HOSTCC_C='-c'
2101 HOSTCC_O='-o $@'
2102 HOSTLD_O='-o $@'
2103
2104 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
2105 host_libs='-lm'
2106 host_cflags_filter=echo
2107 host_ldflags_filter=echo
2108
2109 target_path='$(CURDIR)'
2110
2111 # since the object filename is not given with the -MM flag, the compiler
2112 # is only able to print the basename, and we must add the path ourselves
2113 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2114 DEPFLAGS='-MM'
2115
2116 # find source path
2117 if test -f configure; then
2118     source_path=.
2119 else
2120     source_path=$(cd $(dirname "$0"); pwd)
2121     echo "$source_path" | grep -q '[[:blank:]]' &&
2122         die "Out of tree builds are impossible with whitespace in source path."
2123     test -e "$source_path/config.h" &&
2124         die "Out of tree builds are impossible with config.h in source dir."
2125 fi
2126
2127 for v in "$@"; do
2128     r=${v#*=}
2129     l=${v%"$r"}
2130     r=$(sh_quote "$r")
2131     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2132 done
2133
2134 find_things(){
2135     thing=$1
2136     pattern=$2
2137     file=$source_path/$3
2138     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2139 }
2140
2141 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2142 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2143 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2144 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2145 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
2146 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2147 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2148 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2149 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2150 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2151 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2152
2153 ALL_COMPONENTS="
2154     $BSF_LIST
2155     $DECODER_LIST
2156     $DEMUXER_LIST
2157     $ENCODER_LIST
2158     $FILTER_LIST
2159     $HWACCEL_LIST
2160     $INDEV_LIST
2161     $MUXER_LIST
2162     $OUTDEV_LIST
2163     $PARSER_LIST
2164     $PROTOCOL_LIST
2165 "
2166
2167 find_tests(){
2168     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
2169 }
2170
2171 LAVF_FATE_TESTS=$(find_tests lavf-fate)
2172 LAVF_TESTS=$(find_tests lavf)
2173 LAVFI_TESTS=$(find_tests lavfi)
2174 SEEK_TESTS=$(find_tests seek seek_)
2175
2176 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
2177
2178 for n in $COMPONENT_LIST; do
2179     v=$(toupper ${n%s})_LIST
2180     eval enable \$$v
2181     eval ${n}_if_any="\$$v"
2182 done
2183
2184 enable $ARCH_EXT_LIST $ALL_TESTS
2185
2186 die_unknown(){
2187     echo "Unknown option \"$1\"."
2188     echo "See $0 --help for available options."
2189     exit 1
2190 }
2191
2192 show_list() {
2193     suffix=_$1
2194     shift
2195     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2196     exit 0
2197 }
2198
2199 rand_list(){
2200     IFS=', '
2201     set -- $*
2202     unset IFS
2203     for thing; do
2204         comp=${thing%:*}
2205         prob=${thing#$comp}
2206         prob=${prob#:}
2207         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2208         echo "prob ${prob:-0.5}"
2209         printf '%s\n' $comp
2210     done
2211 }
2212
2213 do_random(){
2214     action=$1
2215     shift
2216     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2217     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2218 }
2219
2220 for opt do
2221     optval="${opt#*=}"
2222     case "$opt" in
2223     --extra-ldflags=*) add_ldflags $optval
2224     ;;
2225     --extra-libs=*) add_extralibs $optval
2226     ;;
2227     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2228     ;;
2229     --enable-debug=*) debuglevel="$optval"
2230     ;;
2231     --disable-everything)
2232     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2233     ;;
2234     --enable-random|--disable-random)
2235     action=${opt%%-random}
2236     do_random ${action#--} $COMPONENT_LIST
2237     ;;
2238     --enable-random=*|--disable-random=*)
2239     action=${opt%%-random=*}
2240     do_random ${action#--} $optval
2241     ;;
2242     --enable-*=*|--disable-*=*)
2243     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2244     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2245     eval list=\$$(toupper $thing)_LIST
2246     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2247     $action $(filter "$name" $list)
2248     ;;
2249     --enable-?*|--disable-?*)
2250     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2251     if is_in $option $COMPONENT_LIST; then
2252         test $action = disable && action=unset
2253         eval $action \$$(toupper ${option%s})_LIST
2254     elif is_in $option $CMDLINE_SELECT; then
2255         $action $option
2256     else
2257         die_unknown $opt
2258     fi
2259     ;;
2260     --list-*)
2261         NAME="${opt#--list-}"
2262         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2263         NAME=${NAME%s}
2264         eval show_list $NAME \$$(toupper $NAME)_LIST
2265     ;;
2266     --help|-h) show_help
2267     ;;
2268     *)
2269     optname="${opt%%=*}"
2270     optname="${optname#--}"
2271     optname=$(echo "$optname" | sed 's/-/_/g')
2272     if is_in $optname $CMDLINE_SET; then
2273         eval $optname='$optval'
2274     elif is_in $optname $CMDLINE_APPEND; then
2275         append $optname "$optval"
2276     else
2277          die_unknown $opt
2278     fi
2279     ;;
2280     esac
2281 done
2282
2283 disabled logging && logfile=/dev/null
2284
2285 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2286 set >> $logfile
2287
2288 test -n "$cross_prefix" && enable cross_compile
2289
2290 if enabled cross_compile; then
2291     test -n "$arch" && test -n "$target_os" ||
2292         die "Must specify target arch and OS when cross-compiling"
2293 fi
2294
2295 set_default arch target_os postproc_version
2296
2297 # Check if we should build alternative libpostproc version instead of current
2298 if   test "$postproc_version" = $ALT_PP_VER; then
2299   LIBPOSTPROC_VERSION=$ALT_PP_VER
2300   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2301   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2302   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2303 elif test "$postproc_version" != current; then
2304   die "Invalid argument to --postproc-version. See --help output."
2305 fi
2306
2307 ar_default="${cross_prefix}${ar_default}"
2308 cc_default="${cross_prefix}${cc_default}"
2309 cxx_default="${cross_prefix}${cxx_default}"
2310 nm_default="${cross_prefix}${nm_default}"
2311 pkg_config_default="${cross_prefix}${pkg_config_default}"
2312 ranlib="${cross_prefix}${ranlib}"
2313 strip_default="${cross_prefix}${strip_default}"
2314
2315 sysinclude_default="${sysroot}/usr/include"
2316
2317 case "$toolchain" in
2318     msvc)
2319         cc_default="c99wrap cl"
2320         ld_default="c99wrap link"
2321         nm_default="dumpbin -symbols"
2322         ar_default="lib"
2323     ;;
2324     ?*)
2325         die "Unknown toolchain $toolchain"
2326     ;;
2327 esac
2328
2329 set_default cc cxx pkg_config strip sysinclude yasmexe
2330 enabled cross_compile || host_cc_default=$cc
2331 set_default host_cc
2332
2333 if ! $pkg_config --version >/dev/null 2>&1; then
2334     warn "$pkg_config not found, library detection may fail."
2335     pkg_config=false
2336 fi
2337
2338 exesuf() {
2339     case $1 in
2340         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2341     esac
2342 }
2343
2344 EXESUF=$(exesuf $target_os)
2345 HOSTEXESUF=$(exesuf $host_os)
2346
2347 # set temporary file name
2348 : ${TMPDIR:=$TEMPDIR}
2349 : ${TMPDIR:=$TMP}
2350 : ${TMPDIR:=/tmp}
2351
2352 if ! check_cmd mktemp -u XXXXXX; then
2353     # simple replacement for missing mktemp
2354     # NOT SAFE FOR GENERAL USE
2355     mktemp(){
2356         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2357     }
2358 fi
2359
2360 tmpfile(){
2361     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2362         (set -C; exec > $tmp) 2>/dev/null ||
2363         die "Unable to create temporary file in $TMPDIR."
2364     append TMPFILES $tmp
2365     eval $1=$tmp
2366 }
2367
2368 trap 'rm -f -- $TMPFILES' EXIT
2369
2370 tmpfile TMPASM .asm
2371 tmpfile TMPC   .c
2372 tmpfile TMPCPP .cpp
2373 tmpfile TMPE   $EXESUF
2374 tmpfile TMPH   .h
2375 tmpfile TMPO   .o
2376 tmpfile TMPS   .S
2377 tmpfile TMPSH  .sh
2378 tmpfile TMPV   .ver
2379
2380 unset -f mktemp
2381
2382 chmod +x $TMPE
2383
2384 # make sure we can execute files in $TMPDIR
2385 cat > $TMPSH 2>> $logfile <<EOF
2386 #! /bin/sh
2387 EOF
2388 chmod +x $TMPSH >> $logfile 2>&1
2389 if ! $TMPSH >> $logfile 2>&1; then
2390     cat <<EOF
2391 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2392 variable to another directory and make sure that it is not mounted noexec.
2393 EOF
2394     die "Sanity test failed."
2395 fi
2396
2397 msvc_flags(){
2398     for flag; do
2399         case $flag in
2400             -fomit-frame-pointer) echo -Oy ;;
2401             -g)                   echo -Z7 ;;
2402             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2403                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2404                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2405                                        -wd4996 -wd4554 ;;
2406             -std=c99)             ;;
2407             -fno-math-errno)      ;;
2408             -fno-common)          ;;
2409             -fno-signed-zeros)    ;;
2410             -lz)                  echo zlib.lib ;;
2411             -l*)                  echo ${flag#-l}.lib ;;
2412             *)                    echo $flag ;;
2413         esac
2414     done
2415 }
2416
2417 pgi_flags(){
2418     for flag; do
2419         case $flag in
2420             -fomit-frame-pointer) echo -Mnoframe ;;
2421             -g)                   echo -gopt ;;
2422             *)                    echo $flag ;;
2423         esac
2424     done
2425 }
2426
2427 suncc_flags(){
2428     for flag; do
2429         case $flag in
2430             -march=*|-mcpu=*)
2431                 case "${flag#*=}" in
2432                     native)                   echo -xtarget=native       ;;
2433                     v9|niagara)               echo -xarch=sparc          ;;
2434                     ultrasparc)               echo -xarch=sparcvis       ;;
2435                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2436                     i586|pentium)             echo -xchip=pentium        ;;
2437                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2438                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2439                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2440                     pentium4*)          echo -xtarget=pentium4           ;;
2441                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2442                     *-sse3)             echo -xarch=sse3                 ;;
2443                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
2444                     amdfam10|barcelona|bdver*) echo -xarch=sse4_1        ;;
2445                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2446                     k8|opteron|athlon64|athlon-fx)
2447                                               echo -xarch=sse2a          ;;
2448                     athlon*)                  echo -xarch=pentium_proa   ;;
2449                 esac
2450                 ;;
2451             -std=c99)             echo -xc99              ;;
2452             -fomit-frame-pointer) echo -xregs=frameptr    ;;
2453             -fPIC)                echo -KPIC -xcode=pic32 ;;
2454             -W*,*)                echo $flag              ;;
2455             -f*-*|-W*)                                    ;;
2456             *)                    echo $flag              ;;
2457         esac
2458     done
2459 }
2460
2461 tms470_flags(){
2462     for flag; do
2463         case $flag in
2464             -march=*|-mcpu=*)
2465                 case "${flag#*=}" in
2466                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
2467                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
2468                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
2469                     armv6*|arm11*)          echo -mv=6   ;;
2470                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2471                                             echo -mv=5e  ;;
2472                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2473                 esac
2474                 ;;
2475             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2476             -mfpu=vfp)      echo --float_support=vfpv2        ;;
2477             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2478             -msoft-float)   echo --float_support=vfplib       ;;
2479             -O[0-3]|-mf=*)  echo $flag                        ;;
2480             -g)             echo -g -mn                       ;;
2481             -pds=*)         echo $flag                        ;;
2482             -D*|-I*)        echo $flag                        ;;
2483             --gcc|--abi=*)  echo $flag                        ;;
2484             -me)            echo $flag                        ;;
2485         esac
2486     done
2487 }
2488
2489 probe_cc(){
2490     pfx=$1
2491     _cc=$2
2492
2493     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2494     unset _ld_o _ldflags _ld_lib _ld_path
2495     unset _depflags _DEPCMD _DEPFLAGS
2496     _flags_filter=echo
2497
2498     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2499         _type=llvm_gcc
2500         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2501         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2502         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2503         _cflags_speed='-O3'
2504         _cflags_size='-Os'
2505     elif $_cc -v 2>&1 | grep -qi ^gcc; then
2506         _type=gcc
2507         gcc_version=$($_cc --version | head -n1)
2508         gcc_basever=$($_cc -dumpversion)
2509         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2510         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2511         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2512         if ! $_cc -dumpversion | grep -q '^2\.'; then
2513             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2514         fi
2515         _cflags_speed='-O3'
2516         _cflags_size='-Os'
2517     elif $_cc --version 2>/dev/null | grep -q Intel; then
2518         _type=icc
2519         _ident=$($_cc --version | head -n1)
2520         _depflags='-MMD'
2521         _cflags_speed='-O3'
2522         _cflags_size='-Os'
2523         _cflags_noopt='-O1'
2524     elif $_cc -v 2>&1 | grep -q xlc; then
2525         _type=xlc
2526         _ident=$($_cc -qversion 2>/dev/null | head -n1)
2527         _cflags_speed='-O5'
2528         _cflags_size='-O5 -qcompact'
2529     elif $_cc -V 2>/dev/null | grep -q Compaq; then
2530         _type=ccc
2531         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2532         _DEPFLAGS='-M'
2533         debuglevel=3
2534         _ldflags='-Wl,-z,now' # calls to libots crash without this
2535         _cflags_speed='-fast'
2536         _cflags_size='-O1'
2537     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2538         test -d "$sysroot" || die "No valid sysroot specified."
2539         _type=armcc
2540         _ident=$($_cc --vsn | head -n1)
2541         armcc_conf="$PWD/armcc.conf"
2542         $_cc --arm_linux_configure                 \
2543              --arm_linux_config_file="$armcc_conf" \
2544              --configure_sysroot="$sysroot"        \
2545              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2546              die "Error creating armcc configuration file."
2547         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2548         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2549         as_default="${cross_prefix}gcc"
2550         _depflags='-MMD'
2551         _cflags_speed='-O3'
2552         _cflags_size='-Os'
2553     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2554         _type=tms470
2555         _ident=$($_cc -version | head -n1 | tr -s ' ')
2556         _flags='--gcc --abi=eabi -me'
2557         _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2558         _cc_e='-ppl -fe=$@'
2559         _cc_o='-fe=$@'
2560         as_default="${cross_prefix}gcc"
2561         ld_default="${cross_prefix}gcc"
2562         _depflags='-ppa -ppd=$(@:.o=.d)'
2563         _cflags_speed='-O3 -mf=5'
2564         _cflags_size='-O3 -mf=2'
2565         _flags_filter=tms470_flags
2566     elif $_cc -v 2>&1 | grep -q clang; then
2567         _type=clang
2568         _ident=$($_cc --version | head -n1)
2569         _depflags='-MMD'
2570         _cflags_speed='-O3'
2571         _cflags_size='-Os'
2572     elif $_cc -V 2>&1 | grep -q Sun; then
2573         _type=suncc
2574         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2575         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2576         _DEPFLAGS='-xM1 -xc99'
2577         _ldflags='-std=c99'
2578         _cflags_speed='-O5'
2579         _cflags_size='-O5 -xspace'
2580         _flags_filter=suncc_flags
2581     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2582         _type=pathscale
2583         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2584         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2585         _cflags_speed='-O2'
2586         _cflags_size='-Os'
2587         _flags_filter='filter_out -Wdisabled-optimization'
2588     elif $_cc -v 2>&1 | grep -q Open64; then
2589         _type=open64
2590         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2591         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2592         _cflags_speed='-O2'
2593         _cflags_size='-Os'
2594         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2595     elif $_cc -V 2>&1 | grep -q Portland; then
2596         _type=pgi
2597         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2598         opt_common='-alias=ansi -Mlre -Mpre'
2599         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2600         _cflags_size="-O2 -Munroll=c:1 $opt_common"
2601         _cflags_noopt="-O1"
2602         _flags_filter=pgi_flags
2603     elif $_cc 2>&1 | grep -q Microsoft; then
2604         _type=msvc
2605         _ident=$($cc 2>&1 | head -n1)
2606         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2607         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2608         _cflags_speed="-O2"
2609         _cflags_size="-O1"
2610         # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2611         if $_cc 2>&1 | grep -q Linker; then
2612             _ld_o='-out $@'
2613         else
2614             _ld_o='-Fe$@'
2615         fi
2616         _cc_o='-Fo $@'
2617         _cc_e='-P -Fi $@'
2618         _flags_filter=msvc_flags
2619         _ld_lib='lib%.a'
2620         _ld_path='-libpath:'
2621         _flags='-nologo'
2622         _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2623         if [ $pfx = hostcc ]; then
2624             append _cflags -Dsnprintf=_snprintf
2625         fi
2626         disable stripping
2627     fi
2628
2629     eval ${pfx}_type=\$_type
2630     eval ${pfx}_ident=\$_ident
2631 }
2632
2633 set_ccvars(){
2634     eval ${1}_C=\${_cc_c-\${${1}_C}}
2635     eval ${1}_E=\${_cc_e-\${${1}_E}}
2636     eval ${1}_O=\${_cc_o-\${${1}_O}}
2637
2638     if [ -n "$_depflags" ]; then
2639         eval ${1}_DEPFLAGS=\$_depflags
2640     else
2641         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2642         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2643         eval DEP${1}FLAGS=\$_flags
2644     fi
2645 }
2646
2647 probe_cc cc "$cc"
2648 cflags_filter=$_flags_filter
2649 cflags_speed=$_cflags_speed
2650 cflags_size=$_cflags_size
2651 cflags_noopt=$_cflags_noopt
2652 add_cflags $_flags $_cflags
2653 cc_ldflags=$_ldflags
2654 set_ccvars CC
2655
2656 probe_cc hostcc "$host_cc"
2657 host_cflags_filter=$_flags_filter
2658 add_host_cflags  $_flags $_cflags
2659 set_ccvars HOSTCC
2660
2661 test -n "$cc_type" && enable $cc_type ||
2662     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2663
2664 : ${as_default:=$cc}
2665 : ${dep_cc_default:=$cc}
2666 : ${ld_default:=$cc}
2667 : ${host_ld_default:=$host_cc}
2668 set_default ar as dep_cc ld host_ld
2669
2670 probe_cc as "$as"
2671 asflags_filter=$_flags_filter
2672 add_asflags $_flags $_cflags
2673 set_ccvars AS
2674
2675 probe_cc ld "$ld"
2676 ldflags_filter=$_flags_filter
2677 add_ldflags $_flags $_ldflags
2678 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2679 LD_O=${_ld_o-$LD_O}
2680 LD_LIB=${_ld_lib-$LD_LIB}
2681 LD_PATH=${_ld_path-$LD_PATH}
2682
2683 probe_cc hostld "$host_ld"
2684 host_ldflags_filter=$_flags_filter
2685 add_host_ldflags $_flags $_ldflags
2686 HOSTLD_O=${_ld_o-$HOSTLD_O}
2687
2688 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2689     probe_cc depcc "$dep_cc"
2690     CCDEP=${_DEPCMD:-$DEPCMD}
2691     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2692     DEPCCFLAGS=$_flags
2693 fi
2694
2695 if $ar 2>&1 | grep -q Microsoft; then
2696     arflags="-nologo"
2697     ar_o='-out:$@'
2698 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2699     arflags="rq"
2700     ar_o='$@'
2701 else
2702     arflags="rc"
2703     ar_o='$@'
2704 fi
2705
2706 add_cflags $extra_cflags
2707 add_cxxflags $extra_cxxflags
2708 add_asflags $extra_cflags
2709
2710 if test -n "$sysroot"; then
2711     case "$cc_type" in
2712         gcc|llvm_gcc|clang)
2713             add_cppflags --sysroot="$sysroot"
2714             add_ldflags --sysroot="$sysroot"
2715         ;;
2716         tms470)
2717             add_cppflags -I"$sysinclude"
2718             add_ldflags  --sysroot="$sysroot"
2719         ;;
2720     esac
2721 fi
2722
2723 if test "$cpu" = host; then
2724     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2725
2726     case "$cc_type" in
2727         gcc|llvm_gcc)
2728             check_native(){
2729                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2730                 sed -n "/cc1.*$1=/{
2731                             s/.*$1=\\([^ ]*\\).*/\\1/
2732                             p
2733                             q
2734                         }" $TMPE
2735             }
2736             cpu=$(check_native -march || check_native -mcpu)
2737         ;;
2738     esac
2739
2740     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2741 fi
2742
2743 # Deal with common $arch aliases
2744 case "$arch" in
2745     arm*|iPad*)
2746         arch="arm"
2747     ;;
2748     mips|mipsel|IP*)
2749         arch="mips"
2750     ;;
2751     mips64*)
2752         arch="mips"
2753         subarch="mips64"
2754     ;;
2755     parisc|hppa)
2756         arch="parisc"
2757     ;;
2758     parisc64|hppa64)
2759         arch="parisc"
2760         subarch="parisc64"
2761     ;;
2762     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2763         arch="ppc"
2764     ;;
2765     s390|s390x)
2766         arch="s390"
2767     ;;
2768     sh4|sh)
2769         arch="sh4"
2770     ;;
2771     sun4u|sparc64)
2772         arch="sparc"
2773         subarch="sparc64"
2774     ;;
2775     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2776         arch="x86"
2777     ;;
2778 esac
2779
2780 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2781 enable $arch
2782
2783 # Add processor-specific flags
2784 if test "$cpu" = generic; then
2785     : do nothing
2786 elif enabled ppc; then
2787
2788     case $(tolower $cpu) in
2789         601|ppc601|powerpc601)
2790             cpuflags="-mcpu=601"
2791             disable altivec
2792         ;;
2793         603*|ppc603*|powerpc603*)
2794             cpuflags="-mcpu=603"
2795             disable altivec
2796         ;;
2797         604*|ppc604*|powerpc604*)
2798             cpuflags="-mcpu=604"
2799             disable altivec
2800         ;;
2801         g3|75*|ppc75*|powerpc75*)
2802             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2803             disable altivec
2804         ;;
2805         g4|745*|ppc745*|powerpc745*)
2806             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2807         ;;
2808         74*|ppc74*|powerpc74*)
2809             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2810         ;;
2811         g5|970|ppc970|powerpc970)
2812             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2813         ;;
2814         power[3-7]*)
2815             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2816         ;;
2817         cell)
2818             cpuflags="-mcpu=cell"
2819             enable ldbrx
2820         ;;
2821         e500mc)
2822             cpuflags="-mcpu=e500mc"
2823             disable altivec
2824         ;;
2825         e500v2)
2826             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2827             disable altivec
2828         ;;
2829         e500)
2830             cpuflags="-mcpu=8540 -mhard-float"
2831             disable altivec
2832         ;;
2833     esac
2834
2835 elif enabled x86; then
2836
2837     case $cpu in
2838         i[345]86|pentium)
2839             cpuflags="-march=$cpu"
2840             disable mmx
2841         ;;
2842         # targets that do NOT support conditional mov (cmov)
2843         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2844             cpuflags="-march=$cpu"
2845             disable cmov
2846         ;;
2847         # targets that do support conditional mov (cmov)
2848         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
2849             cpuflags="-march=$cpu"
2850             enable cmov
2851             enable fast_cmov
2852         ;;
2853         # targets that do support conditional mov but on which it's slow
2854         pentium4|pentium4m|prescott|nocona)
2855             cpuflags="-march=$cpu"
2856             enable cmov
2857             disable fast_cmov
2858         ;;
2859     esac
2860
2861 elif enabled sparc; then
2862
2863     case $cpu in
2864         niagara)
2865             cpuflags="-mcpu=$cpu"
2866             disable vis
2867         ;;
2868         sparc64)
2869             cpuflags="-mcpu=v9"
2870         ;;
2871     esac
2872
2873 elif enabled arm; then
2874
2875     case $cpu in
2876         armv*)
2877             cpuflags="-march=$cpu"
2878             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2879         ;;
2880         *)
2881             cpuflags="-mcpu=$cpu"
2882             case $cpu in
2883                 cortex-a*)                               subarch=armv7a  ;;
2884                 cortex-r*)                               subarch=armv7r  ;;
2885                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2886                 arm11*)                                  subarch=armv6   ;;
2887                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2888                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2889             esac
2890         ;;
2891     esac
2892
2893 elif enabled alpha; then
2894
2895     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2896
2897 elif enabled bfin; then
2898
2899     cpuflags="-mcpu=$cpu"
2900
2901 elif enabled mips; then
2902
2903     cpuflags="-march=$cpu"
2904
2905     case $cpu in
2906         24kc)
2907             disable mipsfpu
2908             disable mipsdspr1
2909             disable mipsdspr2
2910         ;;
2911         24kf*)
2912             disable mipsdspr1
2913             disable mipsdspr2
2914         ;;
2915         24kec|34kc|1004kc)
2916             disable mipsfpu
2917             disable mipsdspr2
2918         ;;
2919         24kef*|34kf*|1004kf*)
2920             disable mipsdspr2
2921         ;;
2922         74kc)
2923             disable mipsfpu
2924         ;;
2925     esac
2926
2927 elif enabled avr32; then
2928
2929     case $cpu in
2930         ap7[02]0[0-2])
2931             subarch="avr32_ap"
2932             cpuflags="-mpart=$cpu"
2933         ;;
2934         ap)
2935             subarch="avr32_ap"
2936             cpuflags="-march=$cpu"
2937         ;;
2938         uc3[ab]*)
2939             subarch="avr32_uc"
2940             cpuflags="-mcpu=$cpu"
2941         ;;
2942         uc)
2943             subarch="avr32_uc"
2944             cpuflags="-march=$cpu"
2945         ;;
2946     esac
2947
2948 fi
2949
2950 add_cflags $cpuflags
2951 add_asflags $cpuflags
2952
2953 # compiler sanity check
2954 check_exec <<EOF
2955 int main(void){ return 0; }
2956 EOF
2957 if test "$?" != 0; then
2958     echo "$cc is unable to create an executable file."
2959     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2960         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2961         echo "Only do this if you know what cross compiling means."
2962     fi
2963     die "C compiler test failed."
2964 fi
2965
2966 add_cppflags -D_ISOC99_SOURCE
2967 add_cxxflags -D__STDC_CONSTANT_MACROS
2968 check_cflags -std=c99
2969 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2970 #include <stdlib.h>
2971 EOF
2972 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2973 #include <stdlib.h>
2974 EOF
2975
2976 check_host_cflags -std=c99
2977 check_host_cflags -Wall
2978
2979 case "$arch" in
2980     alpha|ia64|mips|parisc|sparc)
2981         spic=$shared
2982     ;;
2983     x86)
2984         subarch="x86_32"
2985         check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2986         if test "$subarch" = "x86_64"; then
2987             spic=$shared
2988         fi
2989     ;;
2990     ppc)
2991         check_cc <<EOF && subarch="ppc64"
2992         int test[(int)sizeof(char*) - 7];
2993 EOF
2994     ;;
2995 esac
2996
2997 enable $subarch
2998 enabled spic && enable pic
2999
3000 # OS specific
3001 case $target_os in
3002     haiku)
3003         prefix_default="/boot/common"
3004         network_extralibs="-lnetwork"
3005         host_libs=
3006         ;;
3007     sunos)
3008         FFSERVERLDFLAGS=""
3009         SHFLAGS='-shared -Wl,-h,$$(@F)'
3010         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3011         network_extralibs="-lsocket -lnsl"
3012         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3013         # When using suncc to build, the Solaris linker will mark
3014         # an executable with each instruction set encountered by
3015         # the Solaris assembler.  As our libraries contain their own
3016         # guards for processor-specific code, instead suppress
3017         # generation of the HWCAPS ELF section on Solaris x86 only.
3018         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
3019         nm_default='nm -P -g'
3020         ;;
3021     netbsd)
3022         disable symver
3023         oss_indev_extralibs="-lossaudio"
3024         oss_outdev_extralibs="-lossaudio"
3025         enabled gcc || check_ldflags -Wl,-zmuldefs
3026         ;;
3027     openbsd|bitrig)
3028         # On OpenBSD 4.5. the compiler does not use PIC unless
3029         # explicitly using -fPIC. FFmpeg builds fine without PIC,
3030         # however the generated executable will not do anything
3031         # (simply quits with exit-code 1, no crash, no output).
3032         # Thus explicitly enable PIC here.
3033         enable pic
3034         disable symver
3035         SHFLAGS='-shared'
3036         SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
3037         SLIB_INSTALL_LINKS=
3038         oss_indev_extralibs="-lossaudio"
3039         oss_outdev_extralibs="-lossaudio"
3040         ;;
3041     dragonfly)
3042         disable symver
3043         ;;
3044     freebsd)
3045         ;;
3046     bsd/os)
3047         add_extralibs -lpoll -lgnugetopt
3048         strip="strip -d"
3049         ;;
3050     darwin)
3051         gas="gas-preprocessor.pl $cc"
3052         enabled ppc && add_asflags -force_cpusubtype_ALL
3053         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3054         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3055         strip="${strip} -x"
3056         add_ldflags -Wl,-dynamic,-search_paths_first
3057         SLIBSUF=".dylib"
3058         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3059         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3060         FFSERVERLDFLAGS=-Wl,-bind_at_load
3061         objformat="macho"
3062         enabled x86_64 && objformat="macho64"
3063         enabled_any pic shared ||
3064             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3065         ;;
3066     mingw32*)
3067         if test $target_os = "mingw32ce"; then
3068             disable network
3069         else
3070             target_os=mingw32
3071         fi
3072         LIBTARGET=i386
3073         if enabled x86_64; then
3074             LIBTARGET="i386:x86-64"
3075         elif enabled arm; then
3076             LIBTARGET=arm-wince
3077         fi
3078         shlibdir_default="$bindir_default"
3079         SLIBPREF=""
3080         SLIBSUF=".dll"
3081         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3082         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3083         dlltool="${cross_prefix}dlltool"
3084         if check_cmd lib.exe -list; then
3085             SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3086             if enabled x86_64; then
3087                 LIBTARGET=x64
3088             fi
3089         elif check_cmd $dlltool --version; then
3090             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3091         fi
3092         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3093         SLIB_INSTALL_LINKS=
3094         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3095         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3096         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3097         objformat="win32"
3098         ranlib=:
3099         enable dos_paths
3100         check_cflags -fno-common
3101         add_cppflags -U__STRICT_ANSI__
3102         ;;
3103     cygwin*)
3104         target_os=cygwin
3105         shlibdir_default="$bindir_default"
3106         SLIBPREF="cyg"
3107         SLIBSUF=".dll"
3108         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3109         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3110         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3111         SLIB_INSTALL_LINKS=
3112         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3113         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3114         objformat="win32"
3115         enable dos_paths
3116         check_cflags -fno-common
3117         add_cppflags -U__STRICT_ANSI__
3118         ;;
3119     *-dos|freedos|opendos)
3120         network_extralibs="-lsocket"
3121         objformat="coff"
3122         enable dos_paths
3123         add_cppflags -U__STRICT_ANSI__
3124         ;;
3125     linux)
3126         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3127         enable dv1394
3128         ;;
3129     irix*)
3130         target_os=irix
3131         ranlib="echo ignoring ranlib"
3132         ;;
3133     os/2*)
3134         strip="lxlite -CS"
3135         ln_s="cp -f"
3136         objformat="aout"
3137         add_cppflags -D_GNU_SOURCE
3138         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3139         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3140         FFSERVERLDFLAGS=""
3141         LIBSUF="_s.a"
3142         SLIBPREF=""
3143         SLIBSUF=".dll"
3144         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3145         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3146         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3147             echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3148             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3149             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3150             echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3151             emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3152         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3153             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3154         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3155         enable dos_paths
3156         enable_weak os2threads
3157         ;;
3158     gnu/kfreebsd)
3159         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
3160         ;;
3161     gnu)
3162         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3163         ;;
3164     qnx)
3165         add_cppflags -D_QNX_SOURCE
3166         network_extralibs="-lsocket"
3167         ;;
3168     symbian)
3169         SLIBSUF=".dll"
3170         enable dos_paths
3171         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3172         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3173         add_ldflags -Wl,--target1-abs,--no-undefined \
3174                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3175                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3176         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3177                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3178                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3179         ;;
3180     none)
3181         ;;
3182     *)
3183         die "Unknown OS '$target_os'."
3184         ;;
3185 esac
3186
3187 # determine libc flavour
3188
3189 if check_cpp_condition features.h "defined __UCLIBC__"; then
3190     libc_type=uclibc
3191 elif check_cpp_condition features.h "defined __GLIBC__"; then
3192     libc_type=glibc
3193 elif check_header _mingw.h; then
3194     libc_type=mingw
3195     check_cpp_condition _mingw.h \
3196         "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3197             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3198         die "ERROR: MinGW runtime version must be >= 3.15."
3199     if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3200             __MINGW64_VERSION_MAJOR < 3"; then
3201         enable broken_snprintf
3202         add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3203     fi
3204 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3205     libc_type=newlib
3206 elif check_func_headers stdlib.h _get_doserrno; then
3207     libc_type=msvcrt
3208     enable broken_snprintf
3209     add_cflags -Dstrtod=avpriv_strtod
3210     add_cflags -Dsnprintf=avpriv_snprintf   \
3211                -D_snprintf=avpriv_snprintf  \
3212                -Dvsnprintf=avpriv_vsnprintf
3213 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3214     libc_type=klibc
3215 fi
3216
3217 test -n "$libc_type" && enable $libc_type
3218
3219 esc(){
3220     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3221 }
3222
3223 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3224
3225 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3226
3227 set_default $PATHS_LIST
3228 set_default nm
3229
3230 # we need to build at least one lib type
3231 if ! enabled_any static shared; then
3232     cat <<EOF
3233 At least one library type must be built.
3234 Specify --enable-static to build the static libraries or --enable-shared to
3235 build the shared libraries as well. To only build the shared libraries specify
3236 --disable-static in addition to --enable-shared.
3237 EOF
3238     exit 1;
3239 fi
3240
3241 die_license_disabled() {
3242     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3243 }
3244
3245 die_license_disabled_gpl() {
3246     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3247 }
3248
3249 die_license_disabled gpl libcdio
3250 die_license_disabled gpl libutvideo
3251 die_license_disabled gpl libx264
3252 die_license_disabled gpl libxavs
3253 die_license_disabled gpl libxvid
3254 die_license_disabled gpl x11grab
3255
3256 die_license_disabled nonfree libaacplus
3257 die_license_disabled nonfree libfaac
3258 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3259 enabled gpl && die_license_disabled_gpl nonfree openssl
3260
3261 die_license_disabled version3 libopencore_amrnb
3262 die_license_disabled version3 libopencore_amrwb
3263 die_license_disabled version3 libvo_aacenc
3264 die_license_disabled version3 libvo_amrwbenc
3265
3266 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3267
3268 disabled optimizations || check_cflags -fomit-frame-pointer
3269
3270 enable_pic() {
3271     enable pic
3272     add_cppflags -DPIC
3273     add_cflags   -fPIC
3274     add_asflags  -fPIC
3275 }
3276
3277 enabled pic && enable_pic
3278
3279 check_cc <<EOF || die "Symbol mangling check failed."
3280 int ff_extern;
3281 EOF
3282 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3283 extern_prefix=${sym%%ff_extern*}
3284
3285 check_cc <<EOF && enable_weak inline_asm
3286 void foo(void) { __asm__ volatile ("" ::); }
3287 EOF
3288
3289 _restrict=
3290 for restrict_keyword in restrict __restrict__ __restrict; do
3291     check_cc <<EOF && _restrict=$restrict_keyword && break
3292 void foo(char * $restrict_keyword p);
3293 EOF
3294 done
3295
3296 check_cc <<EOF && enable attribute_packed
3297 struct { int x; } __attribute__((packed)) x;
3298 EOF
3299
3300 check_cc <<EOF && enable attribute_may_alias
3301 union { int x; } __attribute__((may_alias)) x;
3302 EOF
3303
3304 check_cc <<EOF || die "endian test failed"
3305 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3306 EOF
3307 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3308
3309 if enabled alpha; then
3310
3311     check_cflags -mieee
3312
3313 elif enabled arm; then
3314
3315     enabled thumb && check_cflags -mthumb || check_cflags -marm
3316     nogas=die
3317
3318     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3319         enable vfp_args
3320     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3321         case "${cross_prefix:-$cc}" in
3322             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
3323             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3324 __asm__ (".eabi_attribute 28, 1");
3325 int main(void) { return 0; }
3326 EOF
3327         esac
3328         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3329     fi
3330
3331     enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
3332     enabled armv6   && check_inline_asm armv6   '"sadd16 r0, r0, r0"'
3333     enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
3334     enabled armvfp  && check_inline_asm armvfp  '"fadds s0, s0, s0"'
3335     enabled neon    && check_inline_asm neon    '"vadd.i16 q0, q0, q0"'
3336     enabled vfpv3   && check_inline_asm vfpv3   '"vmov.f32 s0, #1.0"'
3337
3338     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3339     check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3340
3341     enabled_all armv6t2 shared !pic && enable_pic
3342
3343 elif enabled mips; then
3344
3345     check_inline_asm loongson '"dmult.g $1, $2, $3"'
3346     enabled mmi && check_inline_asm mmi '"lq $2, 0($2)"'
3347     enabled mips32r2  && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3348      check_inline_asm mips32r2  '"rotr $t0, $t1, 1"'
3349     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3350      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3351     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3352      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3353     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3354      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
3355
3356 elif enabled ppc; then
3357
3358     enable local_aligned_8 local_aligned_16
3359
3360     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3361     check_inline_asm ibm_asm   '"add 0, 0, 0"'
3362     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'
3363     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3364
3365     # AltiVec flags: The FSF version of GCC differs from the Apple version
3366     if enabled altivec; then
3367         nogas=warn
3368         check_cflags -maltivec -mabi=altivec &&
3369         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3370         check_cflags -faltivec
3371
3372         # check if our compiler supports Motorola AltiVec C API
3373         check_cc <<EOF || disable altivec
3374 $inc_altivec_h
3375 int main(void) {
3376     vector signed int v1 = (vector signed int) { 0 };
3377     vector signed int v2 = (vector signed int) { 1 };
3378     v1 = vec_add(v1, v2);
3379     return 0;
3380 }
3381 EOF
3382
3383         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3384     fi
3385
3386 elif enabled sparc; then
3387
3388     enabled vis &&
3389         check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3390             add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3391
3392 elif enabled x86; then
3393
3394     check_code ld immintrin.h "return __xgetbv(0)" "cc" && enable xgetbv
3395     check_code ld intrin.h "int info[4]; __cpuid(info, 0)" "cc" && enable cpuid
3396     check_code ld intrin.h "__rdtsc()" "cc" && enable rdtsc
3397     check_code ld intrin.h "unsigned int x = __readeflags()" "cc" && enable rweflags
3398
3399     check_code ld mmintrin.h "_mm_empty()" "cc" && enable mm_empty
3400
3401     enable local_aligned_8 local_aligned_16
3402
3403     # check whether EBP is available on x86
3404     # As 'i' is stored on the stack, this program will crash
3405     # if the base pointer is used to access it because the
3406     # base pointer is cleared in the inline assembly code.
3407     check_exec_crash <<EOF && enable ebp_available
3408 volatile int i=0;
3409 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3410 return i;
3411 EOF
3412
3413     # check whether EBX is available on x86
3414     check_inline_asm ebx_available '""::"b"(0)' &&
3415         check_inline_asm ebx_available '"":::"%ebx"'
3416
3417     # check whether xmm clobbers are supported
3418     check_inline_asm xmm_clobbers '"":::"%xmm0"'
3419
3420     # check whether binutils is new enough to compile SSSE3/MMXEXT
3421     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'
3422     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3423
3424     if ! disabled_any asm mmx yasm; then
3425         if check_cmd $yasmexe --version; then
3426             enabled x86_64 && yasm_extra="-m amd64"
3427             yasm_debug="-g dwarf2"
3428         elif check_cmd nasm -v; then
3429             yasmexe=nasm
3430             yasm_debug="-g -F dwarf"
3431             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3432         fi
3433
3434         YASMFLAGS="-f $objformat $yasm_extra"
3435         enabled pic               && append YASMFLAGS "-DPIC"
3436         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3437         case "$objformat" in
3438             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3439         esac
3440
3441         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3442             die "yasm not found, use --disable-yasm for a crippled build"
3443         check_yasm "vextractf128 xmm0, ymm0, 0"      || disable avx_external
3444         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3445         check_yasm "CPU amdnop" && enable cpunop
3446     fi
3447
3448     case "$cpu" in
3449         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3450             disable fast_clz
3451         ;;
3452     esac
3453
3454 fi
3455
3456 if enabled asm; then
3457     as=${gas:=$as}
3458     check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3459         $nogas "GNU assembler not found, install gas-preprocessor"
3460 fi
3461
3462 check_ldflags -Wl,--as-needed
3463
3464 if check_func dlopen; then
3465     ldl=
3466 elif check_func dlopen -ldl; then
3467     ldl=-ldl
3468 fi
3469
3470 if enabled network; then
3471     check_type "sys/types.h sys/socket.h" socklen_t
3472     check_type netdb.h "struct addrinfo"
3473     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3474     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3475     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3476     check_type netinet/in.h "struct sockaddr_in6"
3477     check_type poll.h "struct pollfd"
3478     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3479     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3480     check_type netinet/sctp.h "struct sctp_event_subscribe"
3481     check_func getaddrinfo $network_extralibs
3482     # Prefer arpa/inet.h over winsock2
3483     if check_header arpa/inet.h ; then
3484         check_func closesocket
3485     elif check_header winsock2.h ; then
3486         check_func_headers winsock2.h closesocket -lws2 &&
3487             network_extralibs="-lws2" ||
3488         { check_func_headers winsock2.h closesocket -lws2_32 &&
3489             network_extralibs="-lws2_32"; }
3490         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3491         check_type ws2tcpip.h socklen_t
3492         check_type ws2tcpip.h "struct addrinfo"
3493         check_type ws2tcpip.h "struct group_source_req"
3494         check_type ws2tcpip.h "struct ip_mreq_source"
3495         check_type ws2tcpip.h "struct ipv6_mreq"
3496         check_type winsock2.h "struct pollfd"
3497         check_type ws2tcpip.h "struct sockaddr_in6"
3498         check_type ws2tcpip.h "struct sockaddr_storage"
3499         check_struct winsock2.h "struct sockaddr" sa_len
3500     else
3501         disable network
3502     fi
3503 fi
3504
3505 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3506 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3507
3508 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3509 check_func  fcntl
3510 check_func  fork
3511 check_func  gethrtime
3512 check_func  getopt
3513 check_func  getrusage
3514 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3515 check_func  gettimeofday
3516 check_func  inet_aton $network_extralibs
3517 check_func  isatty
3518 check_func  localtime_r
3519 check_func  ${malloc_prefix}memalign            && enable memalign
3520 check_func  mkstemp
3521 check_func  mmap
3522 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3523 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
3524 check_func  setrlimit
3525 check_func  strerror_r
3526 check_func  sched_getaffinity
3527 check_func  sysconf
3528 check_func  sysctl
3529 check_func  usleep
3530 check_func_headers conio.h kbhit
3531 check_func_headers windows.h PeekNamedPipe
3532 check_func_headers io.h setmode
3533 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3534 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3535 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3536 check_func_headers windows.h GetProcessAffinityMask
3537 check_func_headers windows.h GetProcessTimes
3538 check_func_headers windows.h GetSystemTimeAsFileTime
3539 check_func_headers windows.h MapViewOfFile
3540 check_func_headers windows.h Sleep
3541 check_func_headers windows.h VirtualAlloc
3542 check_func_headers glob.h glob
3543
3544 check_header direct.h
3545 check_header dlfcn.h
3546 check_header dxva.h
3547 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3548 check_header io.h
3549 check_header libcrystalhd/libcrystalhd_if.h
3550 check_header malloc.h
3551 check_header poll.h
3552 check_header sys/mman.h
3553 check_header sys/param.h
3554 check_header sys/resource.h
3555 check_header sys/select.h
3556 check_header sys/time.h
3557 check_header termios.h
3558 check_header unistd.h
3559 check_header vdpau/vdpau.h
3560 check_header vdpau/vdpau_x11.h
3561 check_header windows.h
3562 check_header X11/extensions/XvMClib.h
3563 check_header asm/types.h
3564
3565 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3566 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3567
3568 # check for VDA header
3569 if ! disabled vda && ! enabled ppc; then
3570     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3571         enable vda
3572         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3573     fi
3574 fi
3575
3576 if ! disabled w32threads && ! enabled pthreads; then
3577     check_func _beginthreadex && enable w32threads
3578 fi
3579
3580 # check for some common methods of building with pthread support
3581 # do this before the optional library checks as some of them require pthreads
3582 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3583     enable pthreads
3584     if check_func pthread_create; then
3585         :
3586     elif check_func pthread_create -pthread; then
3587         add_cflags -pthread
3588         add_extralibs -pthread
3589     elif check_func pthread_create -pthreads; then
3590         add_cflags -pthreads
3591         add_extralibs -pthreads
3592     elif check_func pthread_create -lpthreadGC2; then
3593         add_extralibs -lpthreadGC2
3594     elif ! check_lib pthread.h pthread_create -lpthread; then
3595         disable pthreads
3596     fi
3597 fi
3598
3599 for thread in $THREADS_LIST; do
3600     if enabled $thread; then
3601         test -n "$thread_type" &&
3602             die "ERROR: Only one thread type must be selected." ||
3603             thread_type="$thread"
3604     fi
3605 done
3606
3607 if enabled pthreads; then
3608   check_func pthread_cancel
3609 fi
3610
3611 check_lib math.h sin -lm && LIBM="-lm"
3612 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3613 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3614
3615 check_mathfunc cbrtf
3616 check_mathfunc exp2
3617 check_mathfunc exp2f
3618 check_mathfunc isinf
3619 check_mathfunc isnan
3620 check_mathfunc llrint
3621 check_mathfunc llrintf
3622 check_mathfunc log2
3623 check_mathfunc log2f
3624 check_mathfunc lrint
3625 check_mathfunc lrintf
3626 check_mathfunc rint
3627 check_mathfunc round
3628 check_mathfunc roundf
3629 check_mathfunc trunc
3630 check_mathfunc truncf
3631
3632 # these are off by default, so fail if requested and not available
3633 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3634 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3635 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3636 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3637 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
3638 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3639 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3640 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3641 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3642                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3643                         die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
3644 enabled libcaca    && require_pkg_config caca caca.h caca_create_canvas
3645 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3646 enabled libfdk_aac && require  libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3647 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"
3648 enabled libflite   && require2 libflite "flite/flite.h" flite_init $flite_libs
3649 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3650 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3651 enabled libilbc    && require  libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3652 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3653 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3654 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3655 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3656 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3657 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3658 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3659 enabled libopus    && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3660 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3661 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3662 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3663 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3664 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3665     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3666     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3667 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3668 enabled libtwolame && require  libtwolame twolame.h twolame_init -ltwolame &&
3669                       { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
3670                         die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
3671 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3672 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3673 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3674 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3675 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3676 enabled libvpx     && {
3677     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3678                                 die "ERROR: libvpx decoder must be installed and version must be >=0.9.1"; }
3679     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
3680                                 die "ERROR: libvpx encoder version must be >=0.9.7"; } }
3681 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3682                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3683                         die "ERROR: libx264 must be installed and version must be >= 0.118."; }
3684 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3685 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3686 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3687                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3688                         die "ERROR: openal not found"; } &&
3689                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3690                         die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
3691 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3692                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3693                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3694                         die "ERROR: openssl not found"; }
3695
3696 if enabled gnutls; then
3697     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3698     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3699 fi
3700
3701 # libdc1394 check
3702 if enabled libdc1394; then
3703     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3704         enable libdc1394_2; } ||
3705     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3706         enable libdc1394_1; } ||
3707     die "ERROR: No version of libdc1394 found "
3708 fi
3709
3710 SDL_CONFIG="${cross_prefix}sdl-config"
3711 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3712     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3713     enable sdl &&
3714     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3715 else
3716   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3717     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3718     sdl_libs=$("${SDL_CONFIG}" --libs)
3719     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3720     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3721     enable sdl &&
3722     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3723   fi
3724 fi
3725 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3726
3727 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
3728 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3729 perl --version > /dev/null 2>&1 && enable perl || disable perl
3730 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
3731
3732 check_header linux/fb.h
3733 check_header linux/videodev.h
3734 check_header linux/videodev2.h
3735 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3736
3737 check_header sys/videoio.h
3738
3739 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3740 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3741 # w32api 3.12 had it defined wrong
3742 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3743
3744 check_type "dshow.h" IBaseFilter
3745
3746 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3747 { check_header dev/bktr/ioctl_meteor.h &&
3748   check_header dev/bktr/ioctl_bt848.h; } ||
3749 { check_header machine/ioctl_meteor.h &&
3750   check_header machine/ioctl_bt848.h; } ||
3751 { check_header dev/video/meteor/ioctl_meteor.h &&
3752   check_header dev/video/bktr/ioctl_bt848.h; } ||
3753 check_header dev/ic/bt8xx.h
3754
3755 check_header sndio.h
3756 if check_struct sys/soundcard.h audio_buf_info bytes; then
3757     enable_safe sys/soundcard.h
3758 else
3759     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3760     #include <sys/soundcard.h>
3761     audio_buf_info abc;
3762 EOF
3763 fi
3764 check_header soundcard.h
3765
3766 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3767
3768 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
3769     check_func jack_port_get_latency_range -ljack
3770
3771 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3772
3773 enabled libcdio &&
3774     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3775
3776 enabled x11grab                                           &&
3777 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3778 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3779 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3780
3781 if ! disabled vaapi; then
3782     check_lib va/va.h vaInitialize -lva && {
3783         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3784         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3785     } || disable vaapi
3786 fi
3787
3788 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3789     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3790         { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." && disable vdpau; }
3791 fi
3792
3793 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3794 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3795 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"
3796
3797 # add some useful compiler flags if supported
3798 check_cflags -Wdeclaration-after-statement
3799 check_cflags -Wall
3800 check_cflags -Wno-parentheses
3801 check_cflags -Wno-switch
3802 check_cflags -Wno-format-zero-length
3803 check_cflags -Wdisabled-optimization
3804 check_cflags -Wpointer-arith
3805 check_cflags -Wredundant-decls
3806 check_cflags -Wno-pointer-sign
3807 check_cflags -Wwrite-strings
3808 check_cflags -Wtype-limits
3809 check_cflags -Wundef
3810 check_cflags -Wmissing-prototypes
3811 check_cflags -Wno-pointer-to-int-cast
3812 check_cflags -Wstrict-prototypes
3813 enabled extra_warnings && check_cflags -Winline
3814
3815 # add some linker flags
3816 check_ldflags -Wl,--warn-common
3817 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3818 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3819
3820 enabled xmm_clobber_test &&
3821     check_ldflags -Wl,--wrap,avcodec_open2              \
3822                   -Wl,--wrap,avcodec_decode_audio4      \
3823                   -Wl,--wrap,avcodec_decode_video2      \
3824                   -Wl,--wrap,avcodec_decode_subtitle2   \
3825                   -Wl,--wrap,avcodec_encode_audio2      \
3826                   -Wl,--wrap,avcodec_encode_video       \
3827                   -Wl,--wrap,avcodec_encode_subtitle    \
3828                   -Wl,--wrap,sws_scale ||
3829     disable xmm_clobber_test
3830
3831 echo "X{};" > $TMPV
3832 if test_ldflags -Wl,--version-script,$TMPV; then
3833     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3834     check_cc <<EOF && enable symver_asm_label
3835 void ff_foo(void) __asm__ ("av_foo@VERSION");
3836 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3837 EOF
3838     check_cc <<EOF && enable symver_gnu_asm
3839 __asm__(".symver ff_foo,av_foo@VERSION");
3840 void ff_foo(void) {}
3841 EOF
3842 fi
3843
3844 if [ -n "$optflags" ]; then
3845     add_cflags $optflags
3846 elif enabled small; then
3847     add_cflags $cflags_size
3848 elif enabled optimizations; then
3849     add_cflags $cflags_speed
3850 else
3851     add_cflags $cflags_noopt
3852 fi
3853 check_cflags -fno-math-errno
3854 check_cflags -fno-signed-zeros
3855 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3856 int x;
3857 EOF
3858
3859
3860 if enabled icc; then
3861     # Just warnings, no remarks
3862     check_cflags -w1
3863     # -wd: Disable following warnings
3864     # 144, 167, 556: -Wno-pointer-sign
3865     # 1292: attribute "foo" ignored
3866     # 1419: external declaration in primary source file
3867     # 10006: ignoring unknown option -fno-signed-zeros
3868     # 10148: ignoring unknown option -Wno-parentheses
3869     # 10156: ignoring option '-W'; no argument required
3870     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3871     # 11030: Warning unknown option --as-needed
3872     # 10156: ignoring option '-export'; no argument required
3873     check_ldflags -wd10156,11030
3874     # Allow to compile with optimizations
3875     check_ldflags -march=$cpu
3876     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3877     enable ebp_available
3878     if enabled x86_32; then
3879         icc_version=$($cc -dumpversion)
3880         test ${icc_version%%.*} -ge 11 &&
3881             check_cflags -falign-stack=maintain-16-byte ||
3882             disable aligned_stack
3883     fi
3884 elif enabled ccc; then
3885     # disable some annoying warnings
3886     add_cflags -msg_disable cvtu32to64
3887     add_cflags -msg_disable embedcomment
3888     add_cflags -msg_disable needconstext
3889     add_cflags -msg_disable nomainieee
3890     add_cflags -msg_disable ptrmismatch1
3891     add_cflags -msg_disable unreachcode
3892 elif enabled gcc; then
3893     check_cflags -fno-tree-vectorize
3894     check_cflags -Werror=implicit-function-declaration
3895     check_cflags -Werror=missing-prototypes
3896 elif enabled llvm_gcc; then
3897     check_cflags -mllvm -stack-alignment=16
3898 elif enabled clang; then
3899     check_cflags -mllvm -stack-alignment=16
3900     check_cflags -Qunused-arguments
3901 elif enabled armcc; then
3902     # 2523: use of inline assembler is deprecated
3903     add_cflags -W${armcc_opt},--diag_suppress=2523
3904     add_cflags -W${armcc_opt},--diag_suppress=1207
3905     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3906     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3907     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3908     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3909 elif enabled tms470; then
3910     add_cflags -pds=824 -pds=837
3911 elif enabled pathscale; then
3912     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3913 elif enabled msvc; then
3914     enabled x86_32 && disable aligned_stack
3915 fi
3916
3917 enabled_any $THREADS_LIST      && enable threads
3918
3919 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3920
3921 check_deps $CONFIG_LIST       \
3922            $CONFIG_EXTRA      \
3923            $HAVE_LIST         \
3924            $ALL_COMPONENTS    \
3925            $ALL_TESTS         \
3926
3927
3928 if test $target_os = "haiku"; then
3929     disable memalign
3930     disable posix_memalign
3931 fi
3932
3933 ! enabled_any memalign posix_memalign aligned_malloc &&
3934     enabled_any $need_memalign && enable memalign_hack
3935
3936 # add_dep lib dep
3937 # -> enable ${lib}_deps_${dep}
3938 # -> add $dep to ${lib}_deps only once
3939 add_dep() {
3940     lib=$1
3941     dep=$2
3942     enabled "${lib}_deps_${dep}" && return 0
3943     enable  "${lib}_deps_${dep}"
3944     prepend "${lib}_deps" $dep
3945 }
3946
3947 # merge deps lib components
3948 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3949 merge_deps() {
3950     lib=$1
3951     shift
3952     for comp in $*; do
3953         enabled $comp || continue
3954         eval "dep=\"\$${comp}_deps\""
3955         for d in $dep; do
3956             add_dep $lib $d
3957         done
3958     done
3959 }
3960
3961 merge_deps libavfilter $FILTER_LIST
3962
3963 echo "install prefix            $prefix"
3964 echo "source path               $source_path"
3965 echo "C compiler                $cc"
3966 echo "ARCH                      $arch ($cpu)"
3967 if test "$build_suffix" != ""; then
3968     echo "build suffix              $build_suffix"
3969 fi
3970 if test "$progs_suffix" != ""; then
3971     echo "progs suffix              $progs_suffix"
3972 fi
3973 if test "$extra_version" != ""; then
3974     echo "version string suffix     $extra_version"
3975 fi
3976 echo "big-endian                ${bigendian-no}"
3977 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3978 if enabled x86; then
3979     echo "${yasmexe}                      ${yasm-no}"
3980     echo "MMX enabled               ${mmx-no}"
3981     echo "MMXEXT enabled            ${mmxext-no}"
3982     echo "3DNow! enabled            ${amd3dnow-no}"
3983     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3984     echo "SSE enabled               ${sse-no}"
3985     echo "SSSE3 enabled             ${ssse3-no}"
3986     echo "AVX enabled               ${avx-no}"
3987     echo "FMA4 enabled              ${fma4-no}"
3988     echo "CMOV enabled              ${cmov-no}"
3989     echo "CMOV is fast              ${fast_cmov-no}"
3990     echo "EBX available             ${ebx_available-no}"
3991     echo "EBP available             ${ebp_available-no}"
3992 fi
3993 if enabled arm; then
3994     echo "ARMv5TE enabled           ${armv5te-no}"
3995     echo "ARMv6 enabled             ${armv6-no}"
3996     echo "ARMv6T2 enabled           ${armv6t2-no}"
3997     echo "ARM VFP enabled           ${armvfp-no}"
3998     echo "NEON enabled              ${neon-no}"
3999 fi
4000 if enabled mips; then
4001     echo "MMI enabled               ${mmi-no}"
4002     echo "MIPS FPU enabled          ${mipsfpu-no}"
4003     echo "MIPS32R2 enabled          ${mips32r2-no}"
4004     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
4005     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
4006 fi
4007 if enabled ppc; then
4008     echo "AltiVec enabled           ${altivec-no}"
4009     echo "PPC 4xx optimizations     ${ppc4xx-no}"
4010     echo "dcbzl available           ${dcbzl-no}"
4011 fi
4012 if enabled sparc; then
4013     echo "VIS enabled               ${vis-no}"
4014 fi
4015 echo "debug symbols             ${debug-no}"
4016 echo "strip symbols             ${stripping-no}"
4017 echo "optimize for size         ${small-no}"
4018 echo "optimizations             ${optimizations-no}"
4019 echo "static                    ${static-no}"
4020 echo "shared                    ${shared-no}"
4021 echo "postprocessing support    ${postproc-no}"
4022 echo "new filter support        ${avfilter-no}"
4023 echo "network support           ${network-no}"
4024 echo "threading support         ${thread_type-no}"
4025 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
4026 echo "SDL support               ${sdl-no}"
4027 echo "libdxva2 enabled          ${dxva2-no}"
4028 echo "libva enabled             ${vaapi-no}"
4029 echo "libvdpau enabled          ${vdpau-no}"
4030 echo "AVISynth enabled          ${avisynth-no}"
4031 echo "frei0r enabled            ${frei0r-no}"
4032 echo "gnutls enabled            ${gnutls-no}"
4033 echo "libaacplus enabled        ${libaacplus-no}"
4034 echo "libass enabled            ${libass-no}"
4035 echo "libcaca enabled           ${libcaca-no}"
4036 echo "libcdio support           ${libcdio-no}"
4037 echo "libcelt enabled           ${libcelt-no}"
4038 echo "libdc1394 support         ${libdc1394-no}"
4039 echo "libfaac enabled           ${libfaac-no}"
4040 echo "libfdk-aac enabled        ${libfdk_aac-no}"
4041 echo "libgsm enabled            ${libgsm-no}"
4042 echo "libiec61883 support       ${libiec61883-no}"
4043 echo "libilbc enabled           ${libilbc-no}"
4044 echo "libmodplug enabled        ${libmodplug-no}"
4045 echo "libmp3lame enabled        ${libmp3lame-no}"
4046 echo "libnut enabled            ${libnut-no}"
4047 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
4048 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
4049 echo "libopencv support         ${libopencv-no}"
4050 echo "libopenjpeg enabled       ${libopenjpeg-no}"
4051 echo "libopus enabled           ${libopus-no}"
4052 echo "libpulse enabled          ${libpulse-no}"
4053 echo "librtmp enabled           ${librtmp-no}"
4054 echo "libschroedinger enabled   ${libschroedinger-no}"
4055 echo "libspeex enabled          ${libspeex-no}"
4056 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
4057 echo "libtheora enabled         ${libtheora-no}"
4058 echo "libtwolame enabled        ${libtwolame-no}"
4059 echo "libutvideo enabled        ${libutvideo-no}"
4060 echo "libv4l2 enabled           ${libv4l2-no}"
4061 echo "libvo-aacenc support      ${libvo_aacenc-no}"
4062 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
4063 echo "libvorbis enabled         ${libvorbis-no}"
4064 echo "libvpx enabled            ${libvpx-no}"
4065 echo "libx264 enabled           ${libx264-no}"
4066 echo "libxavs enabled           ${libxavs-no}"
4067 echo "libxvid enabled           ${libxvid-no}"
4068 echo "openal enabled            ${openal-no}"
4069 echo "openssl enabled           ${openssl-no}"
4070 echo "zlib enabled              ${zlib-no}"
4071 echo "bzlib enabled             ${bzlib-no}"
4072 echo "texi2html enabled         ${texi2html-no}"
4073 echo "perl enabled              ${perl-no}"
4074 echo "pod2man enabled           ${pod2man-no}"
4075 echo "makeinfo enabled          ${makeinfo-no}"
4076 test -n "$random_seed" &&
4077     echo "random seed               ${random_seed}"
4078 echo
4079
4080 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4081     echo "Enabled ${type}s:"
4082     eval list=\$$(toupper $type)_LIST
4083     print_enabled '_*' $list | sort | pr -r -3 -t
4084     echo
4085 done
4086
4087 license="LGPL version 2.1 or later"
4088 if enabled nonfree; then
4089     license="nonfree and unredistributable"
4090 elif enabled gplv3; then
4091     license="GPL version 3 or later"
4092 elif enabled lgplv3; then
4093     license="LGPL version 3 or later"
4094 elif enabled gpl; then
4095     license="GPL version 2 or later"
4096 fi
4097
4098 echo "License: $license"
4099
4100 echo "Creating config.mak and config.h..."
4101
4102 test -e Makefile || $ln_s "$source_path/Makefile" .
4103
4104 enabled stripping || strip="echo skipping strip"
4105
4106 config_files="$TMPH config.mak"
4107
4108 cat > config.mak <<EOF
4109 # Automatically generated by configure - do not modify!
4110 ifndef FFMPEG_CONFIG_MAK
4111 FFMPEG_CONFIG_MAK=1
4112 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4113 prefix=$prefix
4114 LIBDIR=\$(DESTDIR)$libdir
4115 SHLIBDIR=\$(DESTDIR)$shlibdir
4116 INCDIR=\$(DESTDIR)$incdir
4117 BINDIR=\$(DESTDIR)$bindir
4118 DATADIR=\$(DESTDIR)$datadir
4119 MANDIR=\$(DESTDIR)$mandir
4120 SRC_PATH=$source_path
4121 ifndef MAIN_MAKEFILE
4122 SRC_PATH:=\$(SRC_PATH:.%=..%)
4123 endif
4124 CC_IDENT=$cc_ident
4125 ARCH=$arch
4126 CC=$cc
4127 CXX=$cxx
4128 AS=$as
4129 LD=$ld
4130 DEPCC=$dep_cc
4131 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4132 DEPAS=$as
4133 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4134 YASM=$yasmexe
4135 DEPYASM=$yasmexe
4136 AR=$ar
4137 ARFLAGS=$arflags
4138 AR_O=$ar_o
4139 RANLIB=$ranlib
4140 CP=cp -p
4141 LN_S=$ln_s
4142 STRIP=$strip
4143 CPPFLAGS=$CPPFLAGS
4144 CFLAGS=$CFLAGS
4145 CXXFLAGS=$CXXFLAGS
4146 ASFLAGS=$ASFLAGS
4147 AS_C=$AS_C
4148 AS_O=$AS_O
4149 CC_C=$CC_C
4150 CC_O=$CC_O
4151 CXX_C=$CXX_C
4152 CXX_O=$CXX_O
4153 LD_O=$LD_O
4154 LD_LIB=$LD_LIB
4155 LD_PATH=$LD_PATH
4156 DLLTOOL=$dlltool
4157 LDFLAGS=$LDFLAGS
4158 LDFLAGS-ffserver=$FFSERVERLDFLAGS
4159 SHFLAGS=$SHFLAGS
4160 YASMFLAGS=$YASMFLAGS
4161 BUILDSUF=$build_suffix
4162 PROGSSUF=$progs_suffix
4163 FULLNAME=$FULLNAME
4164 LIBPREF=$LIBPREF
4165 LIBSUF=$LIBSUF
4166 LIBNAME=$LIBNAME
4167 SLIBPREF=$SLIBPREF
4168 SLIBSUF=$SLIBSUF
4169 EXESUF=$EXESUF
4170 EXTRA_VERSION=$extra_version
4171 CCDEP=$CCDEP
4172 CXXDEP=$CXXDEP
4173 CCDEP_FLAGS=$CCDEP_FLAGS
4174 ASDEP=$ASDEP
4175 ASDEP_FLAGS=$ASDEP_FLAGS
4176 CC_DEPFLAGS=$CC_DEPFLAGS
4177 AS_DEPFLAGS=$AS_DEPFLAGS
4178 HOSTCC=$host_cc
4179 HOSTLD=$host_ld
4180 HOSTCFLAGS=$host_cflags
4181 HOSTEXESUF=$HOSTEXESUF
4182 HOSTLDFLAGS=$host_ldflags
4183 HOSTLIBS=$host_libs
4184 DEPHOSTCC=$host_cc
4185 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4186 HOSTCCDEP=$HOSTCCDEP
4187 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4188 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4189 HOSTCC_C=$HOSTCC_C
4190 HOSTCC_O=$HOSTCC_O
4191 HOSTLD_O=$HOSTLD_O
4192 TARGET_EXEC=$target_exec
4193 TARGET_PATH=$target_path
4194 LIBS-ffplay=$sdl_libs
4195 CFLAGS-ffplay=$sdl_cflags
4196 ZLIB=$($ldflags_filter -lz)
4197 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4198 EXTRALIBS=$extralibs
4199 INSTALL=$install
4200 LIBTARGET=${LIBTARGET}
4201 SLIBNAME=${SLIBNAME}
4202 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4203 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4204 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4205 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4206 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4207 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4208 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4209 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4210 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4211 NOREDZONE_FLAGS=$noredzone_flags
4212 EOF
4213
4214 get_version(){
4215     lcname=$1
4216     name=$(toupper $lcname)
4217     file=$source_path/$lcname/version.h
4218     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4219     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4220     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4221     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4222 }
4223
4224 get_version_old(){
4225     name=$1
4226     file=$source_path/$2
4227 # This condition will be removed when we stop supporting old libpostproc versions
4228 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
4229     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4230     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4231 fi
4232     lcname=$(tolower $name)
4233     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4234     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4235 }
4236
4237 get_version_old LIBPOSTPROC libpostproc/version.h
4238
4239 get_version libavcodec
4240 get_version libavdevice
4241 get_version libavfilter
4242 get_version libavformat
4243 get_version libavresample
4244 get_version libavutil
4245 get_version libswresample
4246 get_version libswscale
4247
4248 cat > $TMPH <<EOF
4249 /* Automatically generated by configure - do not modify! */
4250 #ifndef FFMPEG_CONFIG_H
4251 #define FFMPEG_CONFIG_H
4252 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4253 #define FFMPEG_LICENSE "$(c_escape $license)"
4254 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4255 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4256 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4257 #define av_restrict $_restrict
4258 #define EXTERN_PREFIX "${extern_prefix}"
4259 #define EXTERN_ASM ${extern_prefix}
4260 #define SLIBSUF "$SLIBSUF"
4261 #define HAVE_MMX2 HAVE_MMXEXT
4262 EOF
4263
4264 test -n "$assert_level" &&
4265     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4266
4267 test -n "$malloc_prefix" &&
4268     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4269
4270 if enabled yasm; then
4271     append config_files $TMPASM
4272     printf '' >$TMPASM
4273 fi
4274
4275 print_config ARCH_   "$config_files" $ARCH_LIST
4276 print_config HAVE_   "$config_files" $HAVE_LIST
4277 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
4278                                      $CONFIG_EXTRA      \
4279                                      $ALL_COMPONENTS    \
4280
4281 cat >>config.mak <<EOF
4282 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
4283 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
4284 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
4285 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
4286 EOF
4287
4288 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4289 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4290
4291 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4292 cp_if_changed $TMPH config.h
4293 touch .config
4294
4295 enabled yasm && cp_if_changed $TMPASM config.asm
4296
4297 cat > $TMPH <<EOF
4298 /* Generated by ffconf */
4299 #ifndef AVUTIL_AVCONFIG_H
4300 #define AVUTIL_AVCONFIG_H
4301 EOF
4302
4303 test "$postproc_version" != current && cat >> $TMPH <<EOF
4304 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
4305 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
4306 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
4307 EOF
4308
4309 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4310
4311 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4312
4313 cp_if_changed $TMPH libavutil/avconfig.h
4314
4315 test -n "$WARNINGS" && printf "\n$WARNINGS"
4316
4317 # build pkg-config files
4318
4319 pkgconfig_generate(){
4320     name=$1
4321     shortname=${name#lib}${build_suffix}
4322     comment=$2
4323     version=$3
4324     libs=$4
4325     requires=$5
4326     enabled ${name#lib} || return 0
4327     mkdir -p $name
4328     cat <<EOF > $name/$name.pc
4329 prefix=$prefix
4330 exec_prefix=\${prefix}
4331 libdir=$libdir
4332 includedir=$incdir
4333
4334 Name: $name
4335 Description: $comment
4336 Version: $version
4337 Requires: $(enabled shared || echo $requires)
4338 Requires.private: $(enabled shared && echo $requires)
4339 Conflicts:
4340 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4341 Libs.private: $(enabled shared && echo $libs)
4342 Cflags: -I\${includedir}
4343 EOF
4344
4345 mkdir -p doc/examples/pc-uninstalled
4346 includedir=${source_path}
4347 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4348     cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4349 prefix=
4350 exec_prefix=
4351 libdir=\${pcfiledir}/../../../$name
4352 includedir=${includedir}
4353
4354 Name: $name
4355 Description: $comment
4356 Version: $version
4357 Requires: $requires
4358 Conflicts:
4359 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4360 Cflags: -I\${includedir}
4361 EOF
4362 }
4363
4364 libavfilter_pc_deps=""
4365 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
4366 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
4367 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
4368 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
4369 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
4370 libavfilter_pc_deps=${libavfilter_pc_deps%, }
4371
4372 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
4373 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
4374
4375 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4376 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
4377 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
4378 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
4379 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
4380 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
4381 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
4382 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4383 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4384
4385 fix_ffmpeg_remote(){
4386     git_remote_from=$1
4387     git_remote_to=$2
4388     fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
4389     if [ "$fixme_remote" != "" ]; then
4390         echolog "
4391 Outdated domain in git config, the official domain for ffmpeg git is since
4392 November 2011, source.ffmpeg.org, both the old and the new point to the same
4393 repository and server. To update it enter the following commands:
4394 "
4395         for remote in $fixme_remote; do
4396             echolog "git remote set-url $remote $git_remote_to"
4397         done
4398     fi
4399 }
4400
4401 if test -f "$source_path/.git/config"; then
4402     remote_from=git.videolan.org
4403     remote_to=source.ffmpeg.org
4404     fix_ffmpeg_remote git@$remote_from:ffmpeg   git@$remote_to:ffmpeg
4405     fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg
4406 fi