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   --enable-lto             use link-time optimization
 272
 273 Optimization options (experts only):
 274   --disable-asm            disable all assembler optimizations
 275   --disable-altivec        disable AltiVec optimizations
 276   --disable-amd3dnow       disable 3DNow! optimizations
 277   --disable-amd3dnowext    disable 3DNow! extended optimizations
 278   --disable-mmx            disable MMX optimizations
 279   --disable-mmxext         disable MMXEXT optimizations
 280   --disable-sse            disable SSE optimizations
 281   --disable-sse2           disable SSE2 optimizations
 282   --disable-sse3           disable SSE3 optimizations
 283   --disable-ssse3          disable SSSE3 optimizations
 284   --disable-sse4           disable SSE4 optimizations
 285   --disable-sse42          disable SSE4.2 optimizations
 286   --disable-avx            disable AVX optimizations
 287   --disable-fma4           disable FMA4 optimizations
 288   --disable-armv5te        disable armv5te optimizations
 289   --disable-armv6          disable armv6 optimizations
 290   --disable-armv6t2        disable armv6t2 optimizations
 291   --disable-armvfp         disable ARM VFP 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   --enable-ftrapv          Trap arithmetic overflows
 318   --samples=PATH           location of test samples for FATE, if not set use
 319                            \$FATE_SAMPLES at make invocation time.
 320   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
 321                            should be used only for debugging purposes)
 322   --enable-random          randomly enable/disable components
 323   --disable-random
 324   --enable-random=LIST     randomly enable/disable specific components or
 325   --disable-random=LIST    component groups. LIST is a comma-separated list
 326                            of NAME[:PROB] entries where NAME is a component
 327                            (group) and PROB the probability associated with
 328                            NAME (default 0.5).
 329   --random-seed=VALUE      seed value for --enable/disable-random
 330
 331 NOTE: Object files are built at the place where configure is launched.
 332 EOF
 333   exit 0
 334 }
 335
 336 quotes='""'
 337
 338 log(){
 339     echo "$@" >> $logfile
 340 }
 341
 342 log_file(){
 343     log BEGIN $1
 344     pr -n -t $1 >> $logfile
 345     log END $1
 346 }
 347
 348 echolog(){
 349     log "$@"
 350     echo "$@"
 351 }
 352
 353 warn(){
 354     log "WARNING: $*"
 355     WARNINGS="${WARNINGS}WARNING: $*\n"
 356 }
 357
 358 die(){
 359     echolog "$@"
 360     cat <<EOF
 361
 362 If you think configure made a mistake, make sure you are using the latest
 363 version from Git.  If the latest version fails, report the problem to the
 364 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 365 EOF
 366     if disabled logging; then
 367         cat <<EOF
 368 Rerun configure with logging enabled (do not use --disable-logging), and
 369 include the log this produces with your report.
 370 EOF
 371     else
 372         cat <<EOF
 373 Include the log file "$logfile" produced by configure as this will help
 374 solving the problem.
 375 EOF
 376     fi
 377     exit 1
 378 }
 379
 380 # Avoid locale weirdness, besides we really just want to translate ASCII.
 381 toupper(){
 382     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 383 }
 384
 385 tolower(){
 386     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 387 }
 388
 389 c_escape(){
 390     echo "$*" | sed 's/["\\]/\\\0/g'
 391 }
 392
 393 sh_quote(){
 394     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 395     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 396     echo "$v"
 397 }
 398
 399 cleanws(){
 400     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 401 }
 402
 403 filter(){
 404     pat=$1
 405     shift
 406     for v; do
 407         eval "case $v in $pat) echo $v ;; esac"
 408     done
 409 }
 410
 411 filter_out(){
 412     pat=$1
 413     shift
 414     for v; do
 415         eval "case $v in $pat) ;; *) echo $v ;; esac"
 416     done
 417 }
 418
 419 map(){
 420     m=$1
 421     shift
 422     for v; do eval $m; done
 423 }
 424
 425 add_suffix(){
 426     suffix=$1
 427     shift
 428     for v; do echo ${v}${suffix}; done
 429 }
 430
 431 set_all(){
 432     value=$1
 433     shift
 434     for var in $*; do
 435         eval $var=$value
 436     done
 437 }
 438
 439 set_weak(){
 440     value=$1
 441     shift
 442     for var; do
 443         eval : \${$var:=$value}
 444     done
 445 }
 446
 447 set_safe(){
 448     var=$1
 449     shift
 450     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 451 }
 452
 453 get_safe(){
 454     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 455 }
 456
 457 pushvar(){
 458     for var in $*; do
 459         eval level=\${${var}_level:=0}
 460         eval ${var}_${level}="\$$var"
 461         eval ${var}_level=$(($level+1))
 462     done
 463 }
 464
 465 popvar(){
 466     for var in $*; do
 467         eval level=\${${var}_level:-0}
 468         test $level = 0 && continue
 469         eval level=$(($level-1))
 470         eval $var="\${${var}_${level}}"
 471         eval ${var}_level=$level
 472         eval unset ${var}_${level}
 473     done
 474 }
 475
 476 enable(){
 477     set_all yes $*
 478 }
 479
 480 disable(){
 481     set_all no $*
 482 }
 483
 484 enable_weak(){
 485     set_weak yes $*
 486 }
 487
 488 disable_weak(){
 489     set_weak no $*
 490 }
 491
 492 enable_safe(){
 493     for var; do
 494         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 495     done
 496 }
 497
 498 disable_safe(){
 499     for var; do
 500         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 501     done
 502 }
 503
 504 do_enable_deep(){
 505     for var; do
 506         enabled $var && continue
 507         eval sel="\$${var}_select"
 508         eval sgs="\$${var}_suggest"
 509         pushvar var sgs
 510         enable_deep $sel
 511         popvar sgs
 512         enable_deep_weak $sgs
 513         popvar var
 514     done
 515 }
 516
 517 enable_deep(){
 518     do_enable_deep $*
 519     enable $*
 520 }
 521
 522 enable_deep_weak(){
 523     do_enable_deep $*
 524     enable_weak $*
 525 }
 526
 527 enabled(){
 528     test "${1#!}" = "$1" && op== || op=!=
 529     eval test "x\$${1#!}" $op "xyes"
 530 }
 531
 532 disabled(){
 533     test "${1#!}" = "$1" && op== || op=!=
 534     eval test "x\$${1#!}" $op "xno"
 535 }
 536
 537 enabled_all(){
 538     for opt; do
 539         enabled $opt || return 1
 540     done
 541 }
 542
 543 disabled_all(){
 544     for opt; do
 545         disabled $opt || return 1
 546     done
 547 }
 548
 549 enabled_any(){
 550     for opt; do
 551         enabled $opt && return 0
 552     done
 553 }
 554
 555 disabled_any(){
 556     for opt; do
 557         disabled $opt && return 0
 558     done
 559     return 1
 560 }
 561
 562 set_default(){
 563     for opt; do
 564         eval : \${$opt:=\$${opt}_default}
 565     done
 566 }
 567
 568 is_in(){
 569     value=$1
 570     shift
 571     for var in $*; do
 572         [ $var = $value ] && return 0
 573     done
 574     return 1
 575 }
 576
 577 check_deps(){
 578     for cfg; do
 579         cfg="${cfg#!}"
 580         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 581         disabled ${cfg}_checking && continue
 582         enable ${cfg}_checking
 583
 584         eval dep_all="\$${cfg}_deps"
 585         eval dep_any="\$${cfg}_deps_any"
 586         eval dep_sel="\$${cfg}_select"
 587         eval dep_sgs="\$${cfg}_suggest"
 588         eval dep_ifa="\$${cfg}_if"
 589         eval dep_ifn="\$${cfg}_if_any"
 590
 591         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 592         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 593         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 594
 595         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 596         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 597         enabled_all  $dep_all || disable $cfg
 598         enabled_any  $dep_any || disable $cfg
 599         disabled_any $dep_sel && disable $cfg
 600
 601         if enabled $cfg; then
 602             eval dep_extralibs="\$${cfg}_extralibs"
 603             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 604             enable_deep $dep_sel
 605             enable_deep_weak $dep_sgs
 606         fi
 607
 608         disable ${cfg}_checking
 609     done
 610 }
 611
 612 print_config_h(){
 613     enabled $1 && v=1 || v=0
 614     echo "#define $2 $v"
 615 }
 616
 617 print_config_mak(){
 618     enabled $1 && v= || v=!
 619     echo "$v$2=yes"
 620 }
 621
 622 print_config_asm(){
 623     enabled $1 && v=1 || v=0
 624     echo "%define $2 $v"
 625 }
 626
 627 print_config(){
 628     pfx=$1
 629     files=$2
 630     shift 2
 631     for cfg; do
 632         ucname="$(toupper $cfg)"
 633         for f in $files; do
 634             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 635         done
 636     done
 637 }
 638
 639 print_enabled(){
 640     test "$1" = -n && end=" " && shift || end="\n"
 641     suf=$1
 642     shift
 643     for v; do
 644         enabled $v && printf "%s$end" ${v%$suf};
 645     done
 646 }
 647
 648 append(){
 649     var=$1
 650     shift
 651     eval "$var=\"\$$var $*\""
 652 }
 653
 654 prepend(){
 655     var=$1
 656     shift
 657     eval "$var=\"$* \$$var\""
 658 }
 659
 660 add_cppflags(){
 661     append CPPFLAGS "$@"
 662 }
 663
 664 add_cflags(){
 665     append CFLAGS $($cflags_filter "$@")
 666 }
 667
 668 add_cxxflags(){
 669     append CXXFLAGS $($cflags_filter "$@")
 670 }
 671
 672 add_asflags(){
 673     append ASFLAGS $($asflags_filter "$@")
 674 }
 675
 676 add_ldflags(){
 677     append LDFLAGS $($ldflags_filter "$@")
 678 }
 679
 680 add_extralibs(){
 681     prepend extralibs $($ldflags_filter "$@")
 682 }
 683
 684 add_host_cflags(){
 685     append host_cflags $($host_cflags_filter "$@")
 686 }
 687
 688 add_host_ldflags(){
 689     append host_ldflags $($host_ldflags_filter "$@")
 690 }
 691
 692 check_cmd(){
 693     log "$@"
 694     "$@" >> $logfile 2>&1
 695 }
 696
 697 cc_o(){
 698     eval printf '%s\\n' $CC_O
 699 }
 700
 701 cc_e(){
 702     eval printf '%s\\n' $CC_E
 703 }
 704
 705 check_cc(){
 706     log check_cc "$@"
 707     cat > $TMPC
 708     log_file $TMPC
 709     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
 710 }
 711
 712 check_cxx(){
 713     log check_cxx "$@"
 714     cat > $TMPCPP
 715     log_file $TMPCPP
 716     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
 717 }
 718
 719 check_cpp(){
 720     log check_cpp "$@"
 721     cat > $TMPC
 722     log_file $TMPC
 723     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
 724 }
 725
 726 as_o(){
 727     eval printf '%s\\n' $AS_O
 728 }
 729
 730 check_as(){
 731     log check_as "$@"
 732     cat > $TMPC
 733     log_file $TMPC
 734     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPC
 735 }
 736
 737 check_inline_asm(){
 738     log check_inline_asm "$@"
 739     name="$1"
 740     code="$2"
 741     shift 2
 742     disable $name
 743     check_as "$@" <<EOF && enable $name
 744 void foo(void){ __asm__ volatile($code); }
 745 EOF
 746 }
 747
 748 check_yasm(){
 749     log check_yasm "$@"
 750     echo "$1" > $TMPS
 751     log_file $TMPS
 752     shift 1
 753     check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
 754 }
 755
 756 ld_o(){
 757     eval printf '%s\\n' $LD_O
 758 }
 759
 760 check_ld(){
 761     log check_ld "$@"
 762     type=$1
 763     shift 1
 764     flags=''
 765     libs=''
 766     for f; do
 767         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 768     done
 769     check_$type $($cflags_filter $flags) || return
 770     flags=$($ldflags_filter $flags)
 771     libs=$($ldflags_filter $libs)
 772     check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
 773 }
 774
 775 check_code(){
 776     log check_code "$@"
 777     check=$1
 778     headers=$2
 779     code=$3
 780     shift 3
 781     {
 782         for hdr in $headers; do
 783             echo "#include <$hdr>"
 784         done
 785         echo "int main(void) { $code; return 0; }"
 786     } | check_$check "$@"
 787 }
 788
 789 check_cppflags(){
 790     log check_cppflags "$@"
 791     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 792 int x;
 793 EOF
 794 }
 795
 796 check_cflags(){
 797     log check_cflags "$@"
 798     set -- $($cflags_filter "$@")
 799     check_cc "$@" <<EOF && append CFLAGS "$@"
 800 int x;
 801 EOF
 802 }
 803
 804 check_cxxflags(){
 805     log check_cxxflags "$@"
 806     set -- $($cflags_filter "$@")
 807     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 808 int x;
 809 EOF
 810 }
 811
 812 test_ldflags(){
 813     log test_ldflags "$@"
 814     check_ld "cc" "$@" <<EOF
 815 int main(void){ return 0; }
 816 EOF
 817 }
 818
 819 check_ldflags(){
 820     log check_ldflags "$@"
 821     test_ldflags "$@" && add_ldflags "$@"
 822 }
 823
 824 check_header(){
 825     log check_header "$@"
 826     header=$1
 827     shift
 828     disable_safe $header
 829     check_cpp "$@" <<EOF && enable_safe $header
 830 #include <$header>
 831 int x;
 832 EOF
 833 }
 834
 835 check_func(){
 836     log check_func "$@"
 837     func=$1
 838     shift
 839     disable $func
 840     check_ld "cc" "$@" <<EOF && enable $func
 841 extern int $func();
 842 int main(void){ $func(); }
 843 EOF
 844 }
 845
 846 check_mathfunc(){
 847     log check_mathfunc "$@"
 848     func=$1
 849     shift
 850     disable $func
 851     check_ld "cc" "$@" <<EOF && enable $func
 852 #include <math.h>
 853 float foo(float f) { return $func(f); }
 854 int main(void){ return (int) foo; }
 855 EOF
 856 }
 857
 858 check_func_headers(){
 859     log check_func_headers "$@"
 860     headers=$1
 861     funcs=$2
 862     shift 2
 863     {
 864         for hdr in $headers; do
 865             echo "#include <$hdr>"
 866         done
 867         for func in $funcs; do
 868             echo "long check_$func(void) { return (long) $func; }"
 869         done
 870         echo "int main(void) { return 0; }"
 871     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 872 }
 873
 874 check_class_headers_cpp(){
 875     log check_class_headers_cpp "$@"
 876     headers=$1
 877     classes=$2
 878     shift 2
 879     {
 880         for hdr in $headers; do
 881             echo "#include <$hdr>"
 882         done
 883         echo "int main(void) { "
 884         i=1
 885         for class in $classes; do
 886             echo "$class obj$i;"
 887             i=$(expr $i + 1)
 888         done
 889         echo "return 0; }"
 890     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 891 }
 892
 893 check_cpp_condition(){
 894     log check_cpp_condition "$@"
 895     header=$1
 896     condition=$2
 897     shift 2
 898     check_cpp "$@" <<EOF
 899 #include <$header>
 900 #if !($condition)
 901 #error "unsatisfied condition: $condition"
 902 #endif
 903 EOF
 904 }
 905
 906 check_lib(){
 907     log check_lib "$@"
 908     header="$1"
 909     func="$2"
 910     shift 2
 911     check_header $header && check_func $func "$@" && add_extralibs "$@"
 912 }
 913
 914 check_lib2(){
 915     log check_lib2 "$@"
 916     headers="$1"
 917     funcs="$2"
 918     shift 2
 919     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 920 }
 921
 922 check_lib_cpp(){
 923     log check_lib_cpp "$@"
 924     headers="$1"
 925     classes="$2"
 926     shift 2
 927     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 928 }
 929
 930 check_pkg_config(){
 931     log check_pkg_config "$@"
 932     pkg="$1"
 933     headers="$2"
 934     funcs="$3"
 935     shift 3
 936     $pkg_config --exists $pkg 2>/dev/null || return
 937     pkg_cflags=$($pkg_config --cflags $pkg)
 938     pkg_libs=$($pkg_config --libs $pkg)
 939     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 940         set_safe ${pkg}_cflags $pkg_cflags   &&
 941         set_safe ${pkg}_libs   $pkg_libs
 942 }
 943
 944 check_exec(){
 945     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 946 }
 947
 948 check_exec_crash(){
 949     code=$(cat)
 950
 951     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 952     # are safe but may not be available everywhere.  Thus we use
 953     # raise(SIGTERM) instead.  The check is run in a subshell so we
 954     # can redirect the "Terminated" message from the shell.  SIGBUS
 955     # is not defined by standard C so it is used conditionally.
 956
 957     (check_exec "$@") >> $logfile 2>&1 <<EOF
 958 #include <signal.h>
 959 static void sighandler(int sig){
 960     raise(SIGTERM);
 961 }
 962 int func(void){
 963     $code
 964 }
 965 int (*func_ptr)(void) = func;
 966 int main(void){
 967     signal(SIGILL, sighandler);
 968     signal(SIGFPE, sighandler);
 969     signal(SIGSEGV, sighandler);
 970 #ifdef SIGBUS
 971     signal(SIGBUS, sighandler);
 972 #endif
 973     return func_ptr();
 974 }
 975 EOF
 976 }
 977
 978 check_type(){
 979     log check_type "$@"
 980     headers=$1
 981     type=$2
 982     shift 2
 983     disable_safe "$type"
 984     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
 985 }
 986
 987 check_struct(){
 988     log check_type "$@"
 989     headers=$1
 990     struct=$2
 991     member=$3
 992     shift 3
 993     disable_safe "${struct}_${member}"
 994     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
 995         enable_safe "${struct}_${member}"
 996 }
 997
 998 require(){
 999     name="$1"
1000     header="$2"
1001     func="$3"
1002     shift 3
1003     check_lib $header $func "$@" || die "ERROR: $name not found"
1004 }
1005
1006 require2(){
1007     name="$1"
1008     headers="$2"
1009     func="$3"
1010     shift 3
1011     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1012 }
1013
1014 require_cpp(){
1015     name="$1"
1016     headers="$2"
1017     classes="$3"
1018     shift 3
1019     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1020 }
1021
1022 require_pkg_config(){
1023     pkg="$1"
1024     check_pkg_config "$@" || die "ERROR: $pkg not found"
1025     add_cflags    $(get_safe ${pkg}_cflags)
1026     add_extralibs $(get_safe ${pkg}_libs)
1027 }
1028
1029 hostcc_o(){
1030     eval printf '%s\\n' $HOSTCC_O
1031 }
1032
1033 check_host_cc(){
1034     log check_host_cc "$@"
1035     cat > $TMPC
1036     log_file $TMPC
1037     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1038 }
1039
1040 check_host_cflags(){
1041     log check_host_cflags "$@"
1042     set -- $($host_cflags_filter "$@")
1043     check_host_cc "$@" <<EOF && append host_cflags "$@"
1044 int x;
1045 EOF
1046 }
1047
1048 apply(){
1049     file=$1
1050     shift
1051     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1052 }
1053
1054 cp_if_changed(){
1055     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1056     mkdir -p "$(dirname $2)"
1057     cp -f "$1" "$2"
1058 }
1059
1060 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1061 # system-dependent things.
1062
1063 COMPONENT_LIST="
1064     bsfs
1065     decoders
1066     demuxers
1067     encoders
1068     filters
1069     hwaccels
1070     indevs
1071     muxers
1072     outdevs
1073     parsers
1074     protocols
1075 "
1076
1077 DOCUMENT_LIST="
1078     doc
1079     htmlpages
1080     manpages
1081     podpages
1082     txtpages
1083 "
1084
1085 PROGRAM_LIST="
1086     ffplay
1087     ffprobe
1088     ffserver
1089     ffmpeg
1090 "
1091
1092 CONFIG_LIST="
1093     $COMPONENT_LIST
1094     $DOCUMENT_LIST
1095     $PROGRAM_LIST
1096     avcodec
1097     avdevice
1098     avfilter
1099     avformat
1100     avresample
1101     avisynth
1102     bzlib
1103     crystalhd
1104     dct
1105     dwt
1106     dxva2
1107     fast_unaligned
1108     fft
1109     fontconfig
1110     frei0r
1111     ftrapv
1112     gnutls
1113     gpl
1114     gray
1115     hardcoded_tables
1116     incompatible_fork_abi
1117     libaacplus
1118     libass
1119     libbluray
1120     libcaca
1121     libcdio
1122     libcelt
1123     libdc1394
1124     libfaac
1125     libfdk_aac
1126     libflite
1127     libfreetype
1128     libgsm
1129     libiec61883
1130     libilbc
1131     libmodplug
1132     libmp3lame
1133     libnut
1134     libopencore_amrnb
1135     libopencore_amrwb
1136     libopencv
1137     libopenjpeg
1138     libopus
1139     libpulse
1140     librtmp
1141     libschroedinger
1142     libspeex
1143     libstagefright_h264
1144     libtheora
1145     libtwolame
1146     libutvideo
1147     libv4l2
1148     libvo_aacenc
1149     libvo_amrwbenc
1150     libvorbis
1151     libvpx
1152     libx264
1153     libxavs
1154     libxvid
1155     lsp
1156     mdct
1157     memalign_hack
1158     memory_poisoning
1159     network
1160     nonfree
1161     openal
1162     openssl
1163     pic
1164     postproc
1165     rdft
1166     runtime_cpudetect
1167     safe_bitstream_reader
1168     shared
1169     small
1170     sram
1171     static
1172     swresample
1173     swscale
1174     swscale_alpha
1175     thumb
1176     vaapi
1177     vda
1178     vdpau
1179     version3
1180     xmm_clobber_test
1181     x11grab
1182     zlib
1183 "
1184
1185 THREADS_LIST='
1186     pthreads
1187     w32threads
1188     os2threads
1189 '
1190
1191 ARCH_LIST='
1192     alpha
1193     arm
1194     avr32
1195     avr32_ap
1196     avr32_uc
1197     bfin
1198     ia64
1199     m68k
1200     mips
1201     mips64
1202     parisc
1203     ppc
1204     ppc64
1205     s390
1206     sh4
1207     sparc
1208     sparc64
1209     tomi
1210     x86
1211     x86_32
1212     x86_64
1213 '
1214
1215 ARCH_EXT_LIST_X86='
1216     amd3dnow
1217     amd3dnowext
1218     avx
1219     fma4
1220     mmx
1221     mmxext
1222     sse
1223     sse2
1224     sse3
1225     sse4
1226     sse42
1227     ssse3
1228 '
1229
1230 ARCH_EXT_LIST="
1231     $ARCH_EXT_LIST_X86
1232     altivec
1233     armv5te
1234     armv6
1235     armv6t2
1236     armvfp
1237     neon
1238     ppc4xx
1239     vfpv3
1240     vis
1241     mipsfpu
1242     mips32r2
1243     mipsdspr1
1244     mipsdspr2
1245 "
1246
1247 HAVE_LIST_CMDLINE='
1248     inline_asm
1249     symver
1250     yasm
1251 '
1252
1253 HAVE_LIST_PUB='
1254     bigendian
1255     fast_unaligned
1256     incompatible_fork_abi
1257 '
1258
1259 HAVE_LIST="
1260     $ARCH_EXT_LIST
1261     $(add_suffix _external $ARCH_EXT_LIST)
1262     $(add_suffix _inline   $ARCH_EXT_LIST)
1263     $HAVE_LIST_CMDLINE
1264     $HAVE_LIST_PUB
1265     $THREADS_LIST
1266     aligned_malloc
1267     aligned_stack
1268     alsa_asoundlib_h
1269     altivec_h
1270     arpa_inet_h
1271     asm_mod_q
1272     asm_mod_y
1273     asm_types_h
1274     attribute_may_alias
1275     attribute_packed
1276     broken_snprintf
1277     cbrtf
1278     clock_gettime
1279     closesocket
1280     cmov
1281     cpunop
1282     CryptGenRandom
1283     dcbzl
1284     dev_bktr_ioctl_bt848_h
1285     dev_bktr_ioctl_meteor_h
1286     dev_ic_bt8xx_h
1287     dev_video_bktr_ioctl_bt848_h
1288     dev_video_meteor_ioctl_meteor_h
1289     direct_h
1290     dlfcn_h
1291     dlopen
1292     dos_paths
1293     dxva_h
1294     ebp_available
1295     ebx_available
1296     exp2
1297     exp2f
1298     fast_64bit
1299     fast_clz
1300     fast_cmov
1301     fcntl
1302     fork
1303     getaddrinfo
1304     gethrtime
1305     getopt
1306     GetProcessAffinityMask
1307     GetProcessMemoryInfo
1308     GetProcessTimes
1309     GetSystemTimeAsFileTime
1310     getrusage
1311     gettimeofday
1312     glob
1313     gnu_as
1314     ibm_asm
1315     inet_aton
1316     io_h
1317     isatty
1318     isinf
1319     isnan
1320     jack_port_get_latency_range
1321     kbhit
1322     ldbrx
1323     libdc1394_1
1324     libdc1394_2
1325     llrint
1326     llrintf
1327     local_aligned_16
1328     local_aligned_8
1329     localtime_r
1330     log2
1331     log2f
1332     loongson
1333     lrint
1334     lrintf
1335     lzo1x_999_compress
1336     machine_ioctl_bt848_h
1337     machine_ioctl_meteor_h
1338     makeinfo
1339     malloc_h
1340     MapViewOfFile
1341     memalign
1342     mkstemp
1343     mm_empty
1344     mmap
1345     msvcrt
1346     nanosleep
1347     PeekNamedPipe
1348     perl
1349     pod2man
1350     poll_h
1351     posix_memalign
1352     pthread_cancel
1353     rdtsc
1354     rint
1355     round
1356     roundf
1357     sched_getaffinity
1358     sdl
1359     sdl_video_size
1360     setmode
1361     setrlimit
1362     Sleep
1363     sndio_h
1364     socklen_t
1365     soundcard_h
1366     strerror_r
1367     struct_addrinfo
1368     struct_group_source_req
1369     struct_ip_mreq_source
1370     struct_ipv6_mreq
1371     struct_pollfd
1372     struct_rusage_ru_maxrss
1373     struct_sctp_event_subscribe
1374     struct_sockaddr_in6
1375     struct_sockaddr_sa_len
1376     struct_sockaddr_storage
1377     struct_v4l2_frmivalenum_discrete
1378     symver_asm_label
1379     symver_gnu_asm
1380     sysconf
1381     sysctl
1382     sys_mman_h
1383     sys_param_h
1384     sys_resource_h
1385     sys_select_h
1386     sys_soundcard_h
1387     sys_time_h
1388     sys_videoio_h
1389     termios_h
1390     texi2html
1391     threads
1392     trunc
1393     truncf
1394     unistd_h
1395     usleep
1396     vfp_args
1397     VirtualAlloc
1398     windows_h
1399     winsock2_h
1400     xform_asm
1401     xmm_clobbers
1402 "
1403
1404 # options emitted with CONFIG_ prefix but not available on command line
1405 CONFIG_EXTRA="
1406     aandcttables
1407     ac3dsp
1408     avutil
1409     error_resilience
1410     gcrypt
1411     golomb
1412     gplv3
1413     h264chroma
1414     h264dsp
1415     h264pred
1416     h264qpel
1417     huffman
1418     lgplv3
1419     lpc
1420     mpegaudio
1421     mpegaudiodsp
1422     mpegvideo
1423     mpegvideoenc
1424     nettle
1425     rangecoder
1426     rtpdec
1427     sinewin
1428     vp3dsp
1429 "
1430
1431 CMDLINE_SELECT="
1432     $ARCH_EXT_LIST
1433     $CONFIG_LIST
1434     $HAVE_LIST_CMDLINE
1435     $THREADS_LIST
1436     asm
1437     coverage
1438     cross_compile
1439     debug
1440     extra_warnings
1441     logging
1442     lto
1443     optimizations
1444     stripping
1445 "
1446
1447 PATHS_LIST='
1448     bindir
1449     datadir
1450     incdir
1451     libdir
1452     mandir
1453     prefix
1454     shlibdir
1455 '
1456
1457 CMDLINE_SET="
1458     $PATHS_LIST
1459     ar
1460     arch
1461     as
1462     assert_level
1463     build_suffix
1464     cc
1465     cpu
1466     cross_prefix
1467     cxx
1468     dep_cc
1469     extra_version
1470     host_cc
1471     host_cflags
1472     host_ld
1473     host_ldflags
1474     host_libs
1475     host_os
1476     install
1477     ld
1478     logfile
1479     malloc_prefix
1480     nm
1481     optflags
1482     pkg_config
1483     postproc_version
1484     progs_suffix
1485     random_seed
1486     samples
1487     strip
1488     sysinclude
1489     sysroot
1490     target_exec
1491     target_os
1492     target_path
1493     toolchain
1494     valgrind
1495     yasmexe
1496 "
1497
1498 CMDLINE_APPEND="
1499     extra_cflags
1500     extra_cxxflags
1501 "
1502
1503 # code dependency declarations
1504
1505 # architecture extensions
1506
1507 armv5te_deps="arm"
1508 armv6_deps="arm"
1509 armv6t2_deps="arm"
1510 armvfp_deps="arm"
1511 neon_deps="arm"
1512 vfpv3_deps="armvfp"
1513
1514 mipsfpu_deps="mips"
1515 mips32r2_deps="mips"
1516 mipsdspr1_deps="mips"
1517 mipsdspr2_deps="mips"
1518
1519 altivec_deps="ppc"
1520 ppc4xx_deps="ppc"
1521
1522 vis_deps="sparc"
1523
1524 x86_64_suggest="cmov fast_cmov"
1525
1526 amd3dnow_deps="mmx"
1527 amd3dnowext_deps="amd3dnow"
1528 mmx_deps="x86"
1529 mmxext_deps="mmx"
1530 sse_deps="mmxext"
1531 sse2_deps="sse"
1532 sse3_deps="sse2"
1533 ssse3_deps="sse3"
1534 sse4_deps="ssse3"
1535 sse42_deps="sse4"
1536 avx_deps="sse42"
1537 fma4_deps="avx"
1538
1539 mmx_external_deps="yasm"
1540 mmx_inline_deps="inline_asm"
1541 mmx_suggest="mmx_external mmx_inline"
1542
1543 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1544     eval dep=\$${ext}_deps
1545     eval ${ext}_external_deps='"${dep}_external"'
1546     eval ${ext}_inline_deps='"${dep}_inline"'
1547     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1548 done
1549
1550 aligned_stack_if_any="ppc x86"
1551 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1552 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1553 fast_unaligned_if_any="armv6 ppc x86"
1554
1555 inline_asm_deps="!tms470"
1556 need_memalign="altivec neon sse"
1557
1558 symver_if_any="symver_asm_label symver_gnu_asm"
1559
1560 log2_deps="!msvcrt"
1561
1562 # subsystems
1563 dct_select="rdft"
1564 mdct_select="fft"
1565 rdft_select="fft"
1566 mpegaudio_select="mpegaudiodsp"
1567 mpegaudiodsp_select="dct"
1568 mpegvideoenc_select="mpegvideo"
1569
1570 # decoders / encoders / hardware accelerators
1571 aac_decoder_select="mdct sinewin"
1572 aac_encoder_select="mdct sinewin"
1573 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1574 ac3_decoder_select="mdct ac3dsp ac3_parser"
1575 ac3_encoder_select="mdct ac3dsp"
1576 ac3_fixed_encoder_select="mdct ac3dsp"
1577 alac_encoder_select="lpc"
1578 amrnb_decoder_select="lsp"
1579 amrwb_decoder_select="lsp"
1580 amv_encoder_select="aandcttables"
1581 atrac1_decoder_select="mdct sinewin"
1582 atrac3_decoder_select="mdct"
1583 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1584 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1585 cavs_decoder_select="golomb mpegvideo"
1586 cook_decoder_select="mdct sinewin"
1587 cscd_decoder_suggest="zlib"
1588 dca_decoder_select="mdct"
1589 dirac_decoder_select="dwt golomb"
1590 dnxhd_encoder_select="aandcttables mpegvideoenc"
1591 dxa_decoder_select="zlib"
1592 eac3_decoder_select="ac3_decoder"
1593 eac3_encoder_select="ac3_encoder"
1594 eamad_decoder_select="aandcttables error_resilience mpegvideo"
1595 eatgq_decoder_select="aandcttables"
1596 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1597 exr_decoder_select="zlib"
1598 ffv1_decoder_select="golomb rangecoder"
1599 ffv1_encoder_select="rangecoder"
1600 ffvhuff_encoder_select="huffman"
1601 flac_decoder_select="golomb"
1602 flac_encoder_select="golomb lpc"
1603 flashsv_decoder_select="zlib"
1604 flashsv_encoder_select="zlib"
1605 flashsv2_encoder_select="zlib"
1606 flashsv2_decoder_select="zlib"
1607 flv_decoder_select="h263_decoder"
1608 flv_encoder_select="h263_encoder"
1609 fraps_decoder_select="huffman"
1610 h261_decoder_select="error_resilience mpegvideo"
1611 h261_encoder_select="aandcttables mpegvideoenc"
1612 h263_decoder_select="error_resilience h263_parser mpegvideo"
1613 h263_encoder_select="aandcttables error_resilience mpegvideoenc"
1614 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1615 h263i_decoder_select="h263_decoder"
1616 h263p_encoder_select="h263_encoder"
1617 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1618 h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1619 h264_dxva2_hwaccel_deps="dxva2api_h"
1620 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1621 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1622 h264_vda_decoder_select="vda h264_parser h264_decoder"
1623 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1624 h264_vda_hwaccel_select="vda h264_decoder"
1625 h264_vdpau_decoder_select="vdpau h264_decoder"
1626 huffyuv_encoder_select="huffman"
1627 iac_decoder_select="fft mdct sinewin"
1628 imc_decoder_select="fft mdct sinewin"
1629 jpegls_decoder_select="golomb"
1630 jpegls_encoder_select="golomb"
1631 ljpeg_encoder_select="aandcttables mpegvideoenc"
1632 loco_decoder_select="golomb"
1633 mdec_decoder_select="error_resilience mpegvideo"
1634 mjpeg_encoder_select="aandcttables mpegvideoenc"
1635 mlp_decoder_select="mlp_parser"
1636 mp1_decoder_select="mpegaudio"
1637 mp1float_decoder_select="mpegaudio"
1638 mp2_decoder_select="mpegaudio"
1639 mp2float_decoder_select="mpegaudio"
1640 mp3_decoder_select="mpegaudio"
1641 mp3adu_decoder_select="mpegaudio"
1642 mp3adufloat_decoder_select="mpegaudio"
1643 mp3float_decoder_select="mpegaudio"
1644 mp3on4_decoder_select="mpegaudio"
1645 mp3on4float_decoder_select="mpegaudio"
1646 mpc7_decoder_select="mpegaudiodsp"
1647 mpc8_decoder_select="mpegaudiodsp"
1648 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1649 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1650 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1651 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1652 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1653 mpeg1video_decoder_select="error_resilience mpegvideo"
1654 mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
1655 mpeg2_crystalhd_decoder_select="crystalhd"
1656 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1657 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1658 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1659 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1660 mpeg2video_decoder_select="error_resilience mpegvideo"
1661 mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
1662 mpeg4_crystalhd_decoder_select="crystalhd"
1663 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1664 mpeg4_encoder_select="h263_encoder"
1665 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1666 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1667 msmpeg4_crystalhd_decoder_select="crystalhd"
1668 msmpeg4v1_decoder_select="h263_decoder"
1669 msmpeg4v1_encoder_select="h263_encoder"
1670 msmpeg4v2_decoder_select="h263_decoder"
1671 msmpeg4v2_encoder_select="h263_encoder"
1672 msmpeg4v3_decoder_select="h263_decoder"
1673 msmpeg4v3_encoder_select="h263_encoder"
1674 mss2_decoder_select="vc1_decoder"
1675 nellymoser_decoder_select="mdct sinewin"
1676 nellymoser_encoder_select="mdct sinewin"
1677 png_decoder_select="zlib"
1678 png_encoder_select="zlib"
1679 qcelp_decoder_select="lsp"
1680 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1681 ra_144_encoder_select="lpc"
1682 ralf_decoder_select="golomb"
1683 rv10_decoder_select="h263_decoder"
1684 rv10_encoder_select="h263_encoder"
1685 rv20_decoder_select="h263_decoder"
1686 rv20_encoder_select="h263_encoder"
1687 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1688 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1689 shorten_decoder_select="golomb"
1690 sipr_decoder_select="lsp"
1691 snow_decoder_select="dwt rangecoder"
1692 snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1693 sonic_decoder_select="golomb"
1694 sonic_encoder_select="golomb"
1695 sonic_ls_encoder_select="golomb"
1696 svq1_decoder_select="error_resilience mpegvideo"
1697 svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1698 svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1699 svq3_decoder_suggest="zlib"
1700 theora_decoder_select="vp3_decoder"
1701 tiff_decoder_suggest="zlib"
1702 tiff_encoder_suggest="zlib"
1703 truehd_decoder_select="mlp_parser"
1704 tscc_decoder_select="zlib"
1705 twinvq_decoder_select="mdct lsp sinewin"
1706 utvideo_encoder_select="huffman"
1707 vc1_crystalhd_decoder_select="crystalhd"
1708 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1709 vc1_dxva2_hwaccel_deps="dxva2api_h"
1710 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1711 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1712 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1713 vc1image_decoder_select="vc1_decoder"
1714 vorbis_decoder_select="mdct"
1715 vorbis_encoder_select="mdct"
1716 vp3_decoder_select="vp3dsp"
1717 vp5_decoder_select="vp3dsp"
1718 vp6_decoder_select="huffman vp3dsp"
1719 vp6a_decoder_select="vp6_decoder"
1720 vp6f_decoder_select="vp6_decoder"
1721 vp8_decoder_select="h264pred h264qpel"
1722 wmapro_decoder_select="mdct sinewin"
1723 wmav1_decoder_select="mdct sinewin"
1724 wmav1_encoder_select="mdct sinewin"
1725 wmav2_decoder_select="mdct sinewin"
1726 wmav2_encoder_select="mdct sinewin"
1727 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1728 wmv1_decoder_select="h263_decoder"
1729 wmv1_encoder_select="h263_encoder"
1730 wmv2_decoder_select="h263_decoder"
1731 wmv2_encoder_select="h263_encoder"
1732 wmv3_decoder_select="vc1_decoder"
1733 wmv3_crystalhd_decoder_select="crystalhd"
1734 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1735 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1736 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1737 wmv3image_decoder_select="wmv3_decoder"
1738 zerocodec_decoder_select="zlib"
1739 zlib_decoder_select="zlib"
1740 zlib_encoder_select="zlib"
1741 zmbv_decoder_select="zlib"
1742 zmbv_encoder_select="zlib"
1743
1744 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1745 vaapi_deps="va_va_h"
1746 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1747 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1748
1749 # parsers
1750 h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1751 mpeg4video_parser_select="error_resilience mpegvideo"
1752 mpegvideo_parser_select="error_resilience mpegvideo"
1753 vc1_parser_select="error_resilience mpegvideo"
1754
1755 # external libraries
1756 libaacplus_encoder_deps="libaacplus"
1757 libcelt_decoder_deps="libcelt"
1758 libfaac_encoder_deps="libfaac"
1759 libfdk_aac_encoder_deps="libfdk_aac"
1760 libgsm_decoder_deps="libgsm"
1761 libgsm_encoder_deps="libgsm"
1762 libgsm_ms_decoder_deps="libgsm"
1763 libgsm_ms_encoder_deps="libgsm"
1764 libilbc_decoder_deps="libilbc"
1765 libilbc_encoder_deps="libilbc"
1766 libmodplug_demuxer_deps="libmodplug"
1767 libmp3lame_encoder_deps="libmp3lame"
1768 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1769 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1770 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1771 libopenjpeg_decoder_deps="libopenjpeg"
1772 libopenjpeg_encoder_deps="libopenjpeg"
1773 libopus_decoder_deps="libopus"
1774 libopus_encoder_deps="libopus"
1775 libschroedinger_decoder_deps="libschroedinger"
1776 libschroedinger_encoder_deps="libschroedinger"
1777 libspeex_decoder_deps="libspeex"
1778 libspeex_encoder_deps="libspeex"
1779 libstagefright_h264_decoder_deps="libstagefright_h264"
1780 libtheora_encoder_deps="libtheora"
1781 libtwolame_encoder_deps="libtwolame"
1782 libvo_aacenc_encoder_deps="libvo_aacenc"
1783 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1784 libvorbis_decoder_deps="libvorbis"
1785 libvorbis_encoder_deps="libvorbis"
1786 libvpx_decoder_deps="libvpx"
1787 libvpx_encoder_deps="libvpx"
1788 libx264_encoder_deps="libx264"
1789 libx264rgb_encoder_deps="libx264"
1790 libxavs_encoder_deps="libxavs"
1791 libxvid_encoder_deps="libxvid"
1792 libutvideo_decoder_deps="libutvideo"
1793 libutvideo_encoder_deps="libutvideo"
1794
1795 # demuxers / muxers
1796 ac3_demuxer_select="ac3_parser"
1797 asf_stream_muxer_select="asf_muxer"
1798 avisynth_demuxer_deps="avisynth"
1799 dirac_demuxer_select="dirac_parser"
1800 dts_demuxer_select="dca_parser"
1801 dtshd_demuxer_select="dca_parser"
1802 eac3_demuxer_select="ac3_parser"
1803 f4v_muxer_select="mov_muxer"
1804 flac_demuxer_select="flac_parser"
1805 ipod_muxer_select="mov_muxer"
1806 libnut_demuxer_deps="libnut"
1807 libnut_muxer_deps="libnut"
1808 matroska_audio_muxer_select="matroska_muxer"
1809 matroska_demuxer_suggest="zlib bzlib"
1810 mov_demuxer_suggest="zlib"
1811 mp3_demuxer_select="mpegaudio_parser"
1812 mp4_muxer_select="mov_muxer"
1813 mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1814 mpegtsraw_demuxer_select="mpegts_demuxer"
1815 mxf_d10_muxer_select="mxf_muxer"
1816 ogg_demuxer_select="golomb"
1817 psp_muxer_select="mov_muxer"
1818 rtp_demuxer_select="sdp_demuxer"
1819 rtp_muxer_select="mpegvideo"
1820 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1821 rtsp_demuxer_select="http_protocol rtpdec"
1822 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1823 sap_demuxer_select="sdp_demuxer"
1824 sap_muxer_select="rtp_muxer rtp_protocol"
1825 sdp_demuxer_select="rtpdec"
1826 smoothstreaming_muxer_select="ismv_muxer"
1827 spdif_muxer_select="aac_parser"
1828 tak_demuxer_select="tak_parser"
1829 tg2_muxer_select="mov_muxer"
1830 tgp_muxer_select="mov_muxer"
1831 w64_demuxer_deps="wav_demuxer"
1832
1833 # indevs / outdevs
1834 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1835 alsa_outdev_deps="alsa_asoundlib_h"
1836 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1837 caca_outdev_deps="libcaca"
1838 dshow_indev_deps="IBaseFilter"
1839 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1840 dv1394_indev_deps="dv1394 dv_demuxer"
1841 fbdev_indev_deps="linux_fb_h"
1842 iec61883_indev_deps="libiec61883"
1843 jack_indev_deps="jack_jack_h sem_timedwait"
1844 lavfi_indev_deps="avfilter"
1845 libcdio_indev_deps="libcdio"
1846 libdc1394_indev_deps="libdc1394"
1847 libv4l2_indev_deps="libv4l2"
1848 openal_indev_deps="openal"
1849 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1850 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1851 pulse_indev_deps="libpulse"
1852 sdl_outdev_deps="sdl"
1853 sndio_indev_deps="sndio_h"
1854 sndio_outdev_deps="sndio_h"
1855 v4l_indev_deps="linux_videodev_h"
1856 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1857 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1858 vfwcap_indev_extralibs="-lavicap32"
1859 x11grab_indev_deps="x11grab"
1860
1861 # protocols
1862 bluray_protocol_deps="libbluray"
1863 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1864 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1865 ffrtmpcrypt_protocol_select="tcp_protocol"
1866 ffrtmphttp_protocol_deps="!librtmp_protocol"
1867 ffrtmphttp_protocol_select="http_protocol"
1868 gopher_protocol_deps="network"
1869 httpproxy_protocol_deps="network"
1870 httpproxy_protocol_select="tcp_protocol"
1871 http_protocol_deps="network"
1872 http_protocol_select="tcp_protocol"
1873 https_protocol_select="tls_protocol"
1874 librtmp_protocol_deps="librtmp"
1875 librtmpe_protocol_deps="librtmp"
1876 librtmps_protocol_deps="librtmp"
1877 librtmpt_protocol_deps="librtmp"
1878 librtmpte_protocol_deps="librtmp"
1879 mmsh_protocol_select="http_protocol"
1880 mmst_protocol_deps="network"
1881 rtmp_protocol_deps="!librtmp_protocol"
1882 rtmp_protocol_select="tcp_protocol"
1883 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1884 rtmps_protocol_deps="!librtmp_protocol"
1885 rtmps_protocol_select="tls_protocol"
1886 rtmpt_protocol_select="ffrtmphttp_protocol"
1887 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1888 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1889 rtp_protocol_select="udp_protocol"
1890 sctp_protocol_deps="network struct_sctp_event_subscribe"
1891 tcp_protocol_deps="network"
1892 tls_protocol_deps_any="openssl gnutls"
1893 tls_protocol_select="tcp_protocol"
1894 udp_protocol_deps="network"
1895
1896 # filters
1897 aconvert_filter_deps="swresample"
1898 amovie_filter_deps="avcodec avformat"
1899 aresample_filter_deps="swresample"
1900 ass_filter_deps="libass"
1901 asyncts_filter_deps="avresample"
1902 atempo_filter_deps="avcodec rdft"
1903 blackframe_filter_deps="gpl"
1904 boxblur_filter_deps="gpl"
1905 colormatrix_filter_deps="gpl"
1906 cropdetect_filter_deps="gpl"
1907 decimate_filter_deps="gpl avcodec"
1908 delogo_filter_deps="gpl"
1909 deshake_filter_deps="avcodec"
1910 drawtext_filter_deps="libfreetype"
1911 ebur128_filter_deps="gpl"
1912 flite_filter_deps="libflite"
1913 frei0r_filter_deps="frei0r dlopen"
1914 frei0r_filter_extralibs='$ldl'
1915 frei0r_src_filter_deps="frei0r dlopen"
1916 frei0r_src_filter_extralibs='$ldl'
1917 hqdn3d_filter_deps="gpl"
1918 movie_filter_deps="avcodec avformat"
1919 mp_filter_deps="gpl avcodec swscale postproc inline_asm"
1920 mptestsrc_filter_deps="gpl"
1921 negate_filter_deps="lut_filter"
1922 resample_filter_deps="avresample"
1923 ocv_filter_deps="libopencv"
1924 pan_filter_deps="swresample"
1925 removelogo_filter_deps="avcodec avformat swscale"
1926 scale_filter_deps="swscale"
1927 smartblur_filter_deps="gpl swscale"
1928 showspectrum_filter_deps="avcodec rdft"
1929 super2xsai_filter_deps="gpl"
1930 tinterlace_filter_deps="gpl"
1931 yadif_filter_deps="gpl"
1932 pixfmts_super2xsai_test_deps="super2xsai_filter"
1933 tinterlace_merge_test_deps="tinterlace_filter"
1934 tinterlace_pad_test_deps="tinterlace_filter"
1935
1936 # libraries
1937 avdevice_deps="avcodec avformat"
1938 avformat_deps="avcodec"
1939 postproc_deps="gpl"
1940
1941 # programs
1942 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1943 ffmpeg_select="ffbuffersink_filter format_filter aformat_filter
1944                setpts_filter null_filter anull_filter ffabuffersink_filter"
1945 ffplay_deps="avcodec avformat swscale swresample sdl"
1946 ffplay_select="ffbuffersink_filter rdft crop_filter"
1947 ffprobe_deps="avcodec avformat"
1948 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1949 ffserver_extralibs='$ldl'
1950
1951 # documentation
1952 podpages_deps="perl"
1953 manpages_deps="perl pod2man"
1954 htmlpages_deps="texi2html"
1955 txtpages_deps="makeinfo"
1956 doc_deps_any="manpages htmlpages podpages txtpages"
1957
1958 # tests
1959 colormatrix1_test_deps="colormatrix_filter"
1960 colormatrix2_test_deps="colormatrix_filter"
1961 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1962 png_test_deps="zlib"
1963 pp_test_deps="mp_filter"
1964 pp2_test_deps="mp_filter"
1965 pp3_test_deps="mp_filter"
1966 pp4_test_deps="mp_filter"
1967 pp5_test_deps="mp_filter"
1968 pp6_test_deps="mp_filter"
1969 seek_flashsv_flv_test_deps="zlib"
1970 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1971
1972 test_deps(){
1973     suf1=$1
1974     suf2=$2
1975     shift 2
1976     for v; do
1977         dep=${v%=*}
1978         tests=${v#*=}
1979         for name in ${tests}; do
1980             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1981         done
1982     done
1983 }
1984
1985 test_deps _muxer _demuxer                                               \
1986     aiff                                                                \
1987     pcm_alaw=alaw                                                       \
1988     asf                                                                 \
1989     au                                                                  \
1990     avi                                                                 \
1991     dv=dv_fmt                                                           \
1992     ffm                                                                 \
1993     flv=flv_fmt                                                         \
1994     gxf                                                                 \
1995     matroska=mkv                                                        \
1996     mmf                                                                 \
1997     mov="mov ismv"                                                      \
1998     pcm_mulaw=mulaw                                                     \
1999     mxf="mxf mxf_d10"                                                   \
2000     nut                                                                 \
2001     ogg="ogg ogg_vp3"                                                   \
2002     rawvideo=pixfmt                                                     \
2003     rm                                                                  \
2004     swf                                                                 \
2005     mpegts=ts                                                           \
2006     voc                                                                 \
2007     wav                                                                 \
2008     yuv4mpegpipe=yuv4mpeg                                               \
2009
2010 # default parameters
2011
2012 logfile="config.log"
2013
2014 # installation paths
2015 prefix_default="/usr/local"
2016 bindir_default='${prefix}/bin'
2017 datadir_default='${prefix}/share/ffmpeg'
2018 incdir_default='${prefix}/include'
2019 libdir_default='${prefix}/lib'
2020 mandir_default='${prefix}/share/man'
2021 shlibdir_default="$libdir_default"
2022 postproc_version_default="current"
2023
2024 # toolchain
2025 ar_default="ar"
2026 cc_default="gcc"
2027 cxx_default="g++"
2028 host_cc_default="gcc"
2029 install="install"
2030 ln_s="ln -sf"
2031 nm_default="nm -g"
2032 objformat="elf"
2033 pkg_config_default=pkg-config
2034 ranlib="ranlib"
2035 strip_default="strip"
2036 yasmexe_default="yasm"
2037
2038 nogas=":"
2039
2040 # machine
2041 arch_default=$(uname -m)
2042 cpu="generic"
2043
2044 # OS
2045 target_os_default=$(tolower $(uname -s))
2046 host_os=$target_os_default
2047
2048 # alternative libpostproc version
2049 ALT_PP_VER_MAJOR=51
2050 ALT_PP_VER_MINOR=2
2051 ALT_PP_VER_MICRO=101
2052 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
2053
2054 # configurable options
2055 enable $PROGRAM_LIST
2056 enable $DOCUMENT_LIST
2057
2058 enable avcodec
2059 enable avdevice
2060 enable avfilter
2061 enable avformat
2062 enable avutil
2063 enable postproc
2064 enable stripping
2065 enable swresample
2066 enable swscale
2067
2068 enable asm
2069 enable debug
2070 enable doc
2071 enable network
2072 enable optimizations
2073 enable runtime_cpudetect
2074 enable safe_bitstream_reader
2075 enable static
2076 enable swscale_alpha
2077
2078 # build settings
2079 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2080 FFSERVERLDFLAGS=-Wl,-E
2081 LIBPREF="lib"
2082 LIBSUF=".a"
2083 FULLNAME='$(NAME)$(BUILDSUF)'
2084 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2085 SLIBPREF="lib"
2086 SLIBSUF=".so"
2087 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2088 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2089 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2090 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2091 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2092 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2093
2094 asflags_filter=echo
2095 cflags_filter=echo
2096 ldflags_filter=echo
2097
2098 AS_C='-c'
2099 AS_O='-o $@'
2100 CC_C='-c'
2101 CC_E='-E -o $@'
2102 CC_O='-o $@'
2103 CXX_C='-c'
2104 CXX_O='-o $@'
2105 LD_O='-o $@'
2106 LD_LIB='-l%'
2107 LD_PATH='-L'
2108 HOSTCC_C='-c'
2109 HOSTCC_O='-o $@'
2110 HOSTLD_O='-o $@'
2111
2112 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
2113 host_libs='-lm'
2114 host_cflags_filter=echo
2115 host_ldflags_filter=echo
2116
2117 target_path='$(CURDIR)'
2118
2119 # since the object filename is not given with the -MM flag, the compiler
2120 # is only able to print the basename, and we must add the path ourselves
2121 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2122 DEPFLAGS='-MM'
2123
2124 # find source path
2125 if test -f configure; then
2126     source_path=.
2127 else
2128     source_path=$(cd $(dirname "$0"); pwd)
2129     echo "$source_path" | grep -q '[[:blank:]]' &&
2130         die "Out of tree builds are impossible with whitespace in source path."
2131     test -e "$source_path/config.h" &&
2132         die "Out of tree builds are impossible with config.h in source dir."
2133 fi
2134
2135 for v in "$@"; do
2136     r=${v#*=}
2137     l=${v%"$r"}
2138     r=$(sh_quote "$r")
2139     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2140 done
2141
2142 find_things(){
2143     thing=$1
2144     pattern=$2
2145     file=$source_path/$3
2146     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2147 }
2148
2149 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2150 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2151 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2152 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2153 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
2154 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2155 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2156 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2157 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2158 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2159 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2160
2161 ALL_COMPONENTS="
2162     $BSF_LIST
2163     $DECODER_LIST
2164     $DEMUXER_LIST
2165     $ENCODER_LIST
2166     $FILTER_LIST
2167     $HWACCEL_LIST
2168     $INDEV_LIST
2169     $MUXER_LIST
2170     $OUTDEV_LIST
2171     $PARSER_LIST
2172     $PROTOCOL_LIST
2173 "
2174
2175 find_tests(){
2176     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
2177 }
2178
2179 LAVF_FATE_TESTS=$(find_tests lavf-fate)
2180 LAVF_TESTS=$(find_tests lavf)
2181 LAVFI_TESTS=$(find_tests lavfi)
2182 SEEK_TESTS=$(find_tests seek seek_)
2183
2184 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
2185
2186 for n in $COMPONENT_LIST; do
2187     v=$(toupper ${n%s})_LIST
2188     eval enable \$$v
2189     eval ${n}_if_any="\$$v"
2190 done
2191
2192 enable $ARCH_EXT_LIST $ALL_TESTS
2193
2194 die_unknown(){
2195     echo "Unknown option \"$1\"."
2196     echo "See $0 --help for available options."
2197     exit 1
2198 }
2199
2200 show_list() {
2201     suffix=_$1
2202     shift
2203     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2204     exit 0
2205 }
2206
2207 rand_list(){
2208     IFS=', '
2209     set -- $*
2210     unset IFS
2211     for thing; do
2212         comp=${thing%:*}
2213         prob=${thing#$comp}
2214         prob=${prob#:}
2215         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2216         echo "prob ${prob:-0.5}"
2217         printf '%s\n' $comp
2218     done
2219 }
2220
2221 do_random(){
2222     action=$1
2223     shift
2224     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2225     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2226 }
2227
2228 for opt do
2229     optval="${opt#*=}"
2230     case "$opt" in
2231     --extra-ldflags=*) add_ldflags $optval
2232     ;;
2233     --extra-libs=*) add_extralibs $optval
2234     ;;
2235     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2236     ;;
2237     --enable-debug=*) debuglevel="$optval"
2238     ;;
2239     --disable-everything)
2240     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2241     ;;
2242     --enable-random|--disable-random)
2243     action=${opt%%-random}
2244     do_random ${action#--} $COMPONENT_LIST
2245     ;;
2246     --enable-random=*|--disable-random=*)
2247     action=${opt%%-random=*}
2248     do_random ${action#--} $optval
2249     ;;
2250     --enable-*=*|--disable-*=*)
2251     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2252     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2253     eval list=\$$(toupper $thing)_LIST
2254     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2255     $action $(filter "$name" $list)
2256     ;;
2257     --enable-?*|--disable-?*)
2258     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2259     if is_in $option $COMPONENT_LIST; then
2260         test $action = disable && action=unset
2261         eval $action \$$(toupper ${option%s})_LIST
2262     elif is_in $option $CMDLINE_SELECT; then
2263         $action $option
2264     else
2265         die_unknown $opt
2266     fi
2267     ;;
2268     --list-*)
2269         NAME="${opt#--list-}"
2270         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2271         NAME=${NAME%s}
2272         eval show_list $NAME \$$(toupper $NAME)_LIST
2273     ;;
2274     --help|-h) show_help
2275     ;;
2276     *)
2277     optname="${opt%%=*}"
2278     optname="${optname#--}"
2279     optname=$(echo "$optname" | sed 's/-/_/g')
2280     if is_in $optname $CMDLINE_SET; then
2281         eval $optname='$optval'
2282     elif is_in $optname $CMDLINE_APPEND; then
2283         append $optname "$optval"
2284     else
2285          die_unknown $opt
2286     fi
2287     ;;
2288     esac
2289 done
2290
2291 disabled logging && logfile=/dev/null
2292
2293 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2294 set >> $logfile
2295
2296 test -n "$cross_prefix" && enable cross_compile
2297
2298 if enabled cross_compile; then
2299     test -n "$arch" && test -n "$target_os" ||
2300         die "Must specify target arch and OS when cross-compiling"
2301 fi
2302
2303 set_default arch target_os postproc_version
2304
2305 # Check if we should build alternative libpostproc version instead of current
2306 if   test "$postproc_version" = $ALT_PP_VER; then
2307   LIBPOSTPROC_VERSION=$ALT_PP_VER
2308   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2309   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2310   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2311 elif test "$postproc_version" != current; then
2312   die "Invalid argument to --postproc-version. See --help output."
2313 fi
2314
2315 ar_default="${cross_prefix}${ar_default}"
2316 cc_default="${cross_prefix}${cc_default}"
2317 cxx_default="${cross_prefix}${cxx_default}"
2318 nm_default="${cross_prefix}${nm_default}"
2319 pkg_config_default="${cross_prefix}${pkg_config_default}"
2320 ranlib="${cross_prefix}${ranlib}"
2321 strip_default="${cross_prefix}${strip_default}"
2322
2323 sysinclude_default="${sysroot}/usr/include"
2324
2325 case "$toolchain" in
2326     msvc)
2327         cc_default="c99wrap cl"
2328         ld_default="c99wrap link"
2329         nm_default="dumpbin -symbols"
2330         ar_default="lib"
2331     ;;
2332     ?*)
2333         die "Unknown toolchain $toolchain"
2334     ;;
2335 esac
2336
2337 set_default cc cxx pkg_config strip sysinclude yasmexe
2338 enabled cross_compile || host_cc_default=$cc
2339 set_default host_cc
2340
2341 if ! $pkg_config --version >/dev/null 2>&1; then
2342     warn "$pkg_config not found, library detection may fail."
2343     pkg_config=false
2344 fi
2345
2346 exesuf() {
2347     case $1 in
2348         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2349     esac
2350 }
2351
2352 EXESUF=$(exesuf $target_os)
2353 HOSTEXESUF=$(exesuf $host_os)
2354
2355 # set temporary file name
2356 : ${TMPDIR:=$TEMPDIR}
2357 : ${TMPDIR:=$TMP}
2358 : ${TMPDIR:=/tmp}
2359
2360 if ! check_cmd mktemp -u XXXXXX; then
2361     # simple replacement for missing mktemp
2362     # NOT SAFE FOR GENERAL USE
2363     mktemp(){
2364         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2365     }
2366 fi
2367
2368 tmpfile(){
2369     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2370         (set -C; exec > $tmp) 2>/dev/null ||
2371         die "Unable to create temporary file in $TMPDIR."
2372     append TMPFILES $tmp
2373     eval $1=$tmp
2374 }
2375
2376 trap 'rm -f -- $TMPFILES' EXIT
2377
2378 tmpfile TMPASM .asm
2379 tmpfile TMPC   .c
2380 tmpfile TMPCPP .cpp
2381 tmpfile TMPE   $EXESUF
2382 tmpfile TMPH   .h
2383 tmpfile TMPO   .o
2384 tmpfile TMPS   .S
2385 tmpfile TMPSH  .sh
2386 tmpfile TMPV   .ver
2387
2388 unset -f mktemp
2389
2390 chmod +x $TMPE
2391
2392 # make sure we can execute files in $TMPDIR
2393 cat > $TMPSH 2>> $logfile <<EOF
2394 #! /bin/sh
2395 EOF
2396 chmod +x $TMPSH >> $logfile 2>&1
2397 if ! $TMPSH >> $logfile 2>&1; then
2398     cat <<EOF
2399 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2400 variable to another directory and make sure that it is not mounted noexec.
2401 EOF
2402     die "Sanity test failed."
2403 fi
2404
2405 msvc_flags(){
2406     for flag; do
2407         case $flag in
2408             -fomit-frame-pointer) echo -Oy ;;
2409             -g)                   echo -Z7 ;;
2410             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2411                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2412                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2413                                        -wd4996 -wd4554 ;;
2414             -std=c99)             ;;
2415             -fno-math-errno)      ;;
2416             -fno-common)          ;;
2417             -fno-signed-zeros)    ;;
2418             -lz)                  echo zlib.lib ;;
2419             -lavifil32)           echo vfw32.lib ;;
2420             -lavicap32)           echo vfw32.lib user32.lib ;;
2421             -l*)                  echo ${flag#-l}.lib ;;
2422             *)                    echo $flag ;;
2423         esac
2424     done
2425 }
2426
2427 pgi_flags(){
2428     for flag; do
2429         case $flag in
2430             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;
2431             -fomit-frame-pointer) echo -Mnoframe ;;
2432             -g)                   echo -gopt ;;
2433             *)                    echo $flag ;;
2434         esac
2435     done
2436 }
2437
2438 suncc_flags(){
2439     for flag; do
2440         case $flag in
2441             -march=*|-mcpu=*)
2442                 case "${flag#*=}" in
2443                     native)                   echo -xtarget=native       ;;
2444                     v9|niagara)               echo -xarch=sparc          ;;
2445                     ultrasparc)               echo -xarch=sparcvis       ;;
2446                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2447                     i586|pentium)             echo -xchip=pentium        ;;
2448                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2449                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2450                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2451                     pentium4*)          echo -xtarget=pentium4           ;;
2452                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2453                     *-sse3)             echo -xarch=sse3                 ;;
2454                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
2455                     amdfam10|barcelona|bdver*) echo -xarch=sse4_1        ;;
2456                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2457                     k8|opteron|athlon64|athlon-fx)
2458                                               echo -xarch=sse2a          ;;
2459                     athlon*)                  echo -xarch=pentium_proa   ;;
2460                 esac
2461                 ;;
2462             -std=c99)             echo -xc99              ;;
2463             -fomit-frame-pointer) echo -xregs=frameptr    ;;
2464             -fPIC)                echo -KPIC -xcode=pic32 ;;
2465             -W*,*)                echo $flag              ;;
2466             -f*-*|-W*)                                    ;;
2467             *)                    echo $flag              ;;
2468         esac
2469     done
2470 }
2471
2472 tms470_flags(){
2473     for flag; do
2474         case $flag in
2475             -march=*|-mcpu=*)
2476                 case "${flag#*=}" in
2477                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
2478                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
2479                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
2480                     armv6*|arm11*)          echo -mv=6   ;;
2481                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2482                                             echo -mv=5e  ;;
2483                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2484                 esac
2485                 ;;
2486             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2487             -mfpu=vfp)      echo --float_support=vfpv2        ;;
2488             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2489             -msoft-float)   echo --float_support=vfplib       ;;
2490             -O[0-3]|-mf=*)  echo $flag                        ;;
2491             -g)             echo -g -mn                       ;;
2492             -pds=*)         echo $flag                        ;;
2493             -D*|-I*)        echo $flag                        ;;
2494             --gcc|--abi=*)  echo $flag                        ;;
2495             -me)            echo $flag                        ;;
2496         esac
2497     done
2498 }
2499
2500 probe_cc(){
2501     pfx=$1
2502     _cc=$2
2503
2504     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2505     unset _ld_o _ldflags _ld_lib _ld_path
2506     unset _depflags _DEPCMD _DEPFLAGS
2507     _flags_filter=echo
2508
2509     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2510         _type=llvm_gcc
2511         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2512         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2513         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2514         _cflags_speed='-O3'
2515         _cflags_size='-Os'
2516     elif $_cc -v 2>&1 | grep -qi ^gcc; then
2517         _type=gcc
2518         gcc_version=$($_cc --version | head -n1)
2519         gcc_basever=$($_cc -dumpversion)
2520         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2521         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2522         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2523         if ! $_cc -dumpversion | grep -q '^2\.'; then
2524             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2525         fi
2526         _cflags_speed='-O3'
2527         _cflags_size='-Os'
2528     elif $_cc --version 2>/dev/null | grep -q Intel; then
2529         _type=icc
2530         _ident=$($_cc --version | head -n1)
2531         _depflags='-MMD'
2532         _cflags_speed='-O3'
2533         _cflags_size='-Os'
2534         _cflags_noopt='-O1'
2535     elif $_cc -v 2>&1 | grep -q xlc; then
2536         _type=xlc
2537         _ident=$($_cc -qversion 2>/dev/null | head -n1)
2538         _cflags_speed='-O5'
2539         _cflags_size='-O5 -qcompact'
2540     elif $_cc -V 2>/dev/null | grep -q Compaq; then
2541         _type=ccc
2542         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2543         _DEPFLAGS='-M'
2544         debuglevel=3
2545         _ldflags='-Wl,-z,now' # calls to libots crash without this
2546         _cflags_speed='-fast'
2547         _cflags_size='-O1'
2548     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2549         test -d "$sysroot" || die "No valid sysroot specified."
2550         _type=armcc
2551         _ident=$($_cc --vsn | head -n1)
2552         armcc_conf="$PWD/armcc.conf"
2553         $_cc --arm_linux_configure                 \
2554              --arm_linux_config_file="$armcc_conf" \
2555              --configure_sysroot="$sysroot"        \
2556              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2557              die "Error creating armcc configuration file."
2558         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2559         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2560         as_default="${cross_prefix}gcc"
2561         _depflags='-MMD'
2562         _cflags_speed='-O3'
2563         _cflags_size='-Os'
2564     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2565         _type=tms470
2566         _ident=$($_cc -version | head -n1 | tr -s ' ')
2567         _flags='--gcc --abi=eabi -me'
2568         _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2569         _cc_e='-ppl -fe=$@'
2570         _cc_o='-fe=$@'
2571         as_default="${cross_prefix}gcc"
2572         ld_default="${cross_prefix}gcc"
2573         _depflags='-ppa -ppd=$(@:.o=.d)'
2574         _cflags_speed='-O3 -mf=5'
2575         _cflags_size='-O3 -mf=2'
2576         _flags_filter=tms470_flags
2577     elif $_cc -v 2>&1 | grep -q clang; then
2578         _type=clang
2579         _ident=$($_cc --version | head -n1)
2580         _depflags='-MMD'
2581         _cflags_speed='-O3'
2582         _cflags_size='-Os'
2583     elif $_cc -V 2>&1 | grep -q Sun; then
2584         _type=suncc
2585         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2586         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2587         _DEPFLAGS='-xM1 -xc99'
2588         _ldflags='-std=c99'
2589         _cflags_speed='-O5'
2590         _cflags_size='-O5 -xspace'
2591         _flags_filter=suncc_flags
2592     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2593         _type=pathscale
2594         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2595         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2596         _cflags_speed='-O2'
2597         _cflags_size='-Os'
2598         _flags_filter='filter_out -Wdisabled-optimization'
2599     elif $_cc -v 2>&1 | grep -q Open64; then
2600         _type=open64
2601         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2602         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2603         _cflags_speed='-O2'
2604         _cflags_size='-Os'
2605         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2606     elif $_cc -V 2>&1 | grep -q Portland; then
2607         _type=pgi
2608         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2609         opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2610         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2611         _cflags_size="-O2 -Munroll=c:1 $opt_common"
2612         _cflags_noopt="-O1"
2613         _flags_filter=pgi_flags
2614     elif $_cc 2>&1 | grep -q Microsoft; then
2615         _type=msvc
2616         _ident=$($cc 2>&1 | head -n1)
2617         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2618         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2619         _cflags_speed="-O2"
2620         _cflags_size="-O1"
2621         # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2622         if $_cc 2>&1 | grep -q Linker; then
2623             _ld_o='-out $@'
2624         else
2625             _ld_o='-Fe$@'
2626         fi
2627         _cc_o='-Fo $@'
2628         _cc_e='-P -Fi $@'
2629         _flags_filter=msvc_flags
2630         _ld_lib='lib%.a'
2631         _ld_path='-libpath:'
2632         _flags='-nologo'
2633         _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2634         if [ $pfx = hostcc ]; then
2635             append _cflags -Dsnprintf=_snprintf
2636         fi
2637         disable stripping
2638     fi
2639
2640     eval ${pfx}_type=\$_type
2641     eval ${pfx}_ident=\$_ident
2642 }
2643
2644 set_ccvars(){
2645     eval ${1}_C=\${_cc_c-\${${1}_C}}
2646     eval ${1}_E=\${_cc_e-\${${1}_E}}
2647     eval ${1}_O=\${_cc_o-\${${1}_O}}
2648
2649     if [ -n "$_depflags" ]; then
2650         eval ${1}_DEPFLAGS=\$_depflags
2651     else
2652         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2653         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2654         eval DEP${1}FLAGS=\$_flags
2655     fi
2656 }
2657
2658 probe_cc cc "$cc"
2659 cflags_filter=$_flags_filter
2660 cflags_speed=$_cflags_speed
2661 cflags_size=$_cflags_size
2662 cflags_noopt=$_cflags_noopt
2663 add_cflags $_flags $_cflags
2664 cc_ldflags=$_ldflags
2665 set_ccvars CC
2666
2667 probe_cc hostcc "$host_cc"
2668 host_cflags_filter=$_flags_filter
2669 add_host_cflags  $_flags $_cflags
2670 set_ccvars HOSTCC
2671
2672 test -n "$cc_type" && enable $cc_type ||
2673     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2674
2675 : ${as_default:=$cc}
2676 : ${dep_cc_default:=$cc}
2677 : ${ld_default:=$cc}
2678 : ${host_ld_default:=$host_cc}
2679 set_default ar as dep_cc ld host_ld
2680
2681 probe_cc as "$as"
2682 asflags_filter=$_flags_filter
2683 add_asflags $_flags $_cflags
2684 set_ccvars AS
2685
2686 probe_cc ld "$ld"
2687 ldflags_filter=$_flags_filter
2688 add_ldflags $_flags $_ldflags
2689 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2690 LD_O=${_ld_o-$LD_O}
2691 LD_LIB=${_ld_lib-$LD_LIB}
2692 LD_PATH=${_ld_path-$LD_PATH}
2693
2694 probe_cc hostld "$host_ld"
2695 host_ldflags_filter=$_flags_filter
2696 add_host_ldflags $_flags $_ldflags
2697 HOSTLD_O=${_ld_o-$HOSTLD_O}
2698
2699 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2700     probe_cc depcc "$dep_cc"
2701     CCDEP=${_DEPCMD:-$DEPCMD}
2702     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2703     DEPCCFLAGS=$_flags
2704 fi
2705
2706 if $ar 2>&1 | grep -q Microsoft; then
2707     arflags="-nologo"
2708     ar_o='-out:$@'
2709 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2710     arflags="rq"
2711     ar_o='$@'
2712 else
2713     arflags="rc"
2714     ar_o='$@'
2715 fi
2716
2717 add_cflags $extra_cflags
2718 add_cxxflags $extra_cxxflags
2719 add_asflags $extra_cflags
2720
2721 if test -n "$sysroot"; then
2722     case "$cc_type" in
2723         gcc|llvm_gcc|clang)
2724             add_cppflags --sysroot="$sysroot"
2725             add_ldflags --sysroot="$sysroot"
2726         ;;
2727         tms470)
2728             add_cppflags -I"$sysinclude"
2729             add_ldflags  --sysroot="$sysroot"
2730         ;;
2731     esac
2732 fi
2733
2734 if test "$cpu" = host; then
2735     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2736
2737     case "$cc_type" in
2738         gcc|llvm_gcc)
2739             check_native(){
2740                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2741                 sed -n "/cc1.*$1=/{
2742                             s/.*$1=\\([^ ]*\\).*/\\1/
2743                             p
2744                             q
2745                         }" $TMPE
2746             }
2747             cpu=$(check_native -march || check_native -mcpu)
2748         ;;
2749     esac
2750
2751     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2752 fi
2753
2754 # Deal with common $arch aliases
2755 case "$arch" in
2756     arm*|iPad*)
2757         arch="arm"
2758     ;;
2759     mips|mipsel|IP*)
2760         arch="mips"
2761     ;;
2762     mips64*)
2763         arch="mips"
2764         subarch="mips64"
2765     ;;
2766     parisc|hppa)
2767         arch="parisc"
2768     ;;
2769     parisc64|hppa64)
2770         arch="parisc"
2771         subarch="parisc64"
2772     ;;
2773     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2774         arch="ppc"
2775     ;;
2776     s390|s390x)
2777         arch="s390"
2778     ;;
2779     sh4|sh)
2780         arch="sh4"
2781     ;;
2782     sun4u|sparc64)
2783         arch="sparc"
2784         subarch="sparc64"
2785     ;;
2786     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2787         arch="x86"
2788     ;;
2789 esac
2790
2791 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2792 enable $arch
2793
2794 # Add processor-specific flags
2795 if test "$cpu" = generic; then
2796     : do nothing
2797 elif enabled ppc; then
2798
2799     case $(tolower $cpu) in
2800         601|ppc601|powerpc601)
2801             cpuflags="-mcpu=601"
2802             disable altivec
2803         ;;
2804         603*|ppc603*|powerpc603*)
2805             cpuflags="-mcpu=603"
2806             disable altivec
2807         ;;
2808         604*|ppc604*|powerpc604*)
2809             cpuflags="-mcpu=604"
2810             disable altivec
2811         ;;
2812         g3|75*|ppc75*|powerpc75*)
2813             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2814             disable altivec
2815         ;;
2816         g4|745*|ppc745*|powerpc745*)
2817             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2818         ;;
2819         74*|ppc74*|powerpc74*)
2820             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2821         ;;
2822         g5|970|ppc970|powerpc970)
2823             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2824         ;;
2825         power[3-7]*)
2826             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2827         ;;
2828         cell)
2829             cpuflags="-mcpu=cell"
2830             enable ldbrx
2831         ;;
2832         e500mc)
2833             cpuflags="-mcpu=e500mc"
2834             disable altivec
2835         ;;
2836         e500v2)
2837             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2838             disable altivec
2839         ;;
2840         e500)
2841             cpuflags="-mcpu=8540 -mhard-float"
2842             disable altivec
2843         ;;
2844     esac
2845
2846 elif enabled x86; then
2847
2848     case $cpu in
2849         i[345]86|pentium)
2850             cpuflags="-march=$cpu"
2851             disable mmx
2852         ;;
2853         # targets that do NOT support conditional mov (cmov)
2854         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2855             cpuflags="-march=$cpu"
2856             disable cmov
2857         ;;
2858         # targets that do support conditional mov (cmov)
2859         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
2860             cpuflags="-march=$cpu"
2861             enable cmov
2862             enable fast_cmov
2863         ;;
2864         # targets that do support conditional mov but on which it's slow
2865         pentium4|pentium4m|prescott|nocona)
2866             cpuflags="-march=$cpu"
2867             enable cmov
2868             disable fast_cmov
2869         ;;
2870     esac
2871
2872 elif enabled sparc; then
2873
2874     case $cpu in
2875         niagara)
2876             cpuflags="-mcpu=$cpu"
2877             disable vis
2878         ;;
2879         sparc64)
2880             cpuflags="-mcpu=v9"
2881         ;;
2882     esac
2883
2884 elif enabled arm; then
2885
2886     case $cpu in
2887         armv*)
2888             cpuflags="-march=$cpu"
2889             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2890         ;;
2891         *)
2892             cpuflags="-mcpu=$cpu"
2893             case $cpu in
2894                 cortex-a*)                               subarch=armv7a  ;;
2895                 cortex-r*)                               subarch=armv7r  ;;
2896                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2897                 arm11*)                                  subarch=armv6   ;;
2898                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2899                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2900             esac
2901         ;;
2902     esac
2903
2904 elif enabled alpha; then
2905
2906     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2907
2908 elif enabled bfin; then
2909
2910     cpuflags="-mcpu=$cpu"
2911
2912 elif enabled mips; then
2913
2914     cpuflags="-march=$cpu"
2915
2916     case $cpu in
2917         24kc)
2918             disable mipsfpu
2919             disable mipsdspr1
2920             disable mipsdspr2
2921         ;;
2922         24kf*)
2923             disable mipsdspr1
2924             disable mipsdspr2
2925         ;;
2926         24kec|34kc|1004kc)
2927             disable mipsfpu
2928             disable mipsdspr2
2929         ;;
2930         24kef*|34kf*|1004kf*)
2931             disable mipsdspr2
2932         ;;
2933         74kc)
2934             disable mipsfpu
2935         ;;
2936     esac
2937
2938 elif enabled avr32; then
2939
2940     case $cpu in
2941         ap7[02]0[0-2])
2942             subarch="avr32_ap"
2943             cpuflags="-mpart=$cpu"
2944         ;;
2945         ap)
2946             subarch="avr32_ap"
2947             cpuflags="-march=$cpu"
2948         ;;
2949         uc3[ab]*)
2950             subarch="avr32_uc"
2951             cpuflags="-mcpu=$cpu"
2952         ;;
2953         uc)
2954             subarch="avr32_uc"
2955             cpuflags="-march=$cpu"
2956         ;;
2957     esac
2958
2959 fi
2960
2961 add_cflags $cpuflags
2962 add_asflags $cpuflags
2963
2964 # compiler sanity check
2965 check_exec <<EOF
2966 int main(void){ return 0; }
2967 EOF
2968 if test "$?" != 0; then
2969     echo "$cc is unable to create an executable file."
2970     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2971         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2972         echo "Only do this if you know what cross compiling means."
2973     fi
2974     die "C compiler test failed."
2975 fi
2976
2977 add_cppflags -D_ISOC99_SOURCE
2978 add_cxxflags -D__STDC_CONSTANT_MACROS
2979 check_cflags -std=c99
2980 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2981 #include <stdlib.h>
2982 EOF
2983 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2984 #include <stdlib.h>
2985 EOF
2986
2987 check_host_cflags -std=c99
2988 check_host_cflags -Wall
2989
2990 case "$arch" in
2991     alpha|ia64|mips|parisc|sparc)
2992         spic=$shared
2993     ;;
2994     x86)
2995         subarch="x86_32"
2996         check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2997         if test "$subarch" = "x86_64"; then
2998             spic=$shared
2999         fi
3000     ;;
3001     ppc)
3002         check_cc <<EOF && subarch="ppc64"
3003         int test[(int)sizeof(char*) - 7];
3004 EOF
3005     ;;
3006 esac
3007
3008 enable $subarch
3009 enabled spic && enable pic
3010
3011 # OS specific
3012 case $target_os in
3013     haiku)
3014         prefix_default="/boot/common"
3015         network_extralibs="-lnetwork"
3016         host_libs=
3017         ;;
3018     sunos)
3019         FFSERVERLDFLAGS=""
3020         SHFLAGS='-shared -Wl,-h,$$(@F)'
3021         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3022         network_extralibs="-lsocket -lnsl"
3023         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3024         # When using suncc to build, the Solaris linker will mark
3025         # an executable with each instruction set encountered by
3026         # the Solaris assembler.  As our libraries contain their own
3027         # guards for processor-specific code, instead suppress
3028         # generation of the HWCAPS ELF section on Solaris x86 only.
3029         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
3030         nm_default='nm -P -g'
3031         ;;
3032     netbsd)
3033         disable symver
3034         oss_indev_extralibs="-lossaudio"
3035         oss_outdev_extralibs="-lossaudio"
3036         enabled gcc || check_ldflags -Wl,-zmuldefs
3037         ;;
3038     openbsd|bitrig)
3039         # On OpenBSD 4.5. the compiler does not use PIC unless
3040         # explicitly using -fPIC. FFmpeg builds fine without PIC,
3041         # however the generated executable will not do anything
3042         # (simply quits with exit-code 1, no crash, no output).
3043         # Thus explicitly enable PIC here.
3044         enable pic
3045         disable symver
3046         SHFLAGS='-shared'
3047         SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
3048         SLIB_INSTALL_LINKS=
3049         oss_indev_extralibs="-lossaudio"
3050         oss_outdev_extralibs="-lossaudio"
3051         ;;
3052     dragonfly)
3053         disable symver
3054         ;;
3055     freebsd)
3056         ;;
3057     bsd/os)
3058         add_extralibs -lpoll -lgnugetopt
3059         strip="strip -d"
3060         ;;
3061     darwin)
3062         gas="gas-preprocessor.pl $cc"
3063         enabled ppc && add_asflags -force_cpusubtype_ALL
3064         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3065         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3066         strip="${strip} -x"
3067         add_ldflags -Wl,-dynamic,-search_paths_first
3068         SLIBSUF=".dylib"
3069         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3070         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3071         FFSERVERLDFLAGS=-Wl,-bind_at_load
3072         objformat="macho"
3073         enabled x86_64 && objformat="macho64"
3074         enabled_any pic shared ||
3075             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3076         ;;
3077     mingw32*)
3078         if test $target_os = "mingw32ce"; then
3079             disable network
3080         else
3081             target_os=mingw32
3082         fi
3083         LIBTARGET=i386
3084         if enabled x86_64; then
3085             LIBTARGET="i386:x86-64"
3086         elif enabled arm; then
3087             LIBTARGET=arm-wince
3088         fi
3089         shlibdir_default="$bindir_default"
3090         SLIBPREF=""
3091         SLIBSUF=".dll"
3092         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3093         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3094         dlltool="${cross_prefix}dlltool"
3095         if check_cmd lib.exe -list; then
3096             SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3097             if enabled x86_64; then
3098                 LIBTARGET=x64
3099             fi
3100         elif check_cmd $dlltool --version; then
3101             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3102         fi
3103         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3104         SLIB_INSTALL_LINKS=
3105         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3106         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3107         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3108         objformat="win32"
3109         ranlib=:
3110         enable dos_paths
3111         add_cppflags -U__STRICT_ANSI__
3112         ;;
3113     cygwin*)
3114         target_os=cygwin
3115         shlibdir_default="$bindir_default"
3116         SLIBPREF="cyg"
3117         SLIBSUF=".dll"
3118         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3119         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3120         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3121         SLIB_INSTALL_LINKS=
3122         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3123         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3124         objformat="win32"
3125         enable dos_paths
3126         add_cppflags -U__STRICT_ANSI__
3127         ;;
3128     *-dos|freedos|opendos)
3129         network_extralibs="-lsocket"
3130         objformat="coff"
3131         enable dos_paths
3132         add_cppflags -U__STRICT_ANSI__
3133         ;;
3134     linux)
3135         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3136         enable dv1394
3137         ;;
3138     irix*)
3139         target_os=irix
3140         ranlib="echo ignoring ranlib"
3141         ;;
3142     os/2*)
3143         strip="lxlite -CS"
3144         ln_s="cp -f"
3145         objformat="aout"
3146         add_cppflags -D_GNU_SOURCE
3147         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3148         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3149         FFSERVERLDFLAGS=""
3150         LIBSUF="_s.a"
3151         SLIBPREF=""
3152         SLIBSUF=".dll"
3153         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3154         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3155         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3156             echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3157             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3158             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3159             echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3160             emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3161         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3162             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3163         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3164         enable dos_paths
3165         enable_weak os2threads
3166         ;;
3167     gnu/kfreebsd)
3168         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
3169         ;;
3170     gnu)
3171         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3172         ;;
3173     qnx)
3174         add_cppflags -D_QNX_SOURCE
3175         network_extralibs="-lsocket"
3176         ;;
3177     symbian)
3178         SLIBSUF=".dll"
3179         enable dos_paths
3180         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3181         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3182         add_ldflags -Wl,--target1-abs,--no-undefined \
3183                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3184                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3185         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3186                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3187                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3188         ;;
3189     osf1)
3190         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3191         FFSERVERLDFLAGS=
3192         ;;
3193     none)
3194         ;;
3195     *)
3196         die "Unknown OS '$target_os'."
3197         ;;
3198 esac
3199
3200 # determine libc flavour
3201
3202 if check_cpp_condition features.h "defined __UCLIBC__"; then
3203     libc_type=uclibc
3204 elif check_cpp_condition features.h "defined __GLIBC__"; then
3205     libc_type=glibc
3206 elif check_header _mingw.h; then
3207     libc_type=mingw
3208     check_cpp_condition _mingw.h \
3209         "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3210             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3211         die "ERROR: MinGW runtime version must be >= 3.15."
3212     if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3213             __MINGW64_VERSION_MAJOR < 3"; then
3214         enable broken_snprintf
3215         add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3216     fi
3217 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3218     libc_type=newlib
3219 elif check_func_headers stdlib.h _get_doserrno; then
3220     libc_type=msvcrt
3221     enable broken_snprintf
3222     add_cflags -Dstrtod=avpriv_strtod
3223     add_cflags -Dsnprintf=avpriv_snprintf   \
3224                -D_snprintf=avpriv_snprintf  \
3225                -Dvsnprintf=avpriv_vsnprintf
3226 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3227     libc_type=klibc
3228 fi
3229
3230 test -n "$libc_type" && enable $libc_type
3231
3232 esc(){
3233     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3234 }
3235
3236 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3237
3238 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3239
3240 set_default $PATHS_LIST
3241 set_default nm
3242
3243 # we need to build at least one lib type
3244 if ! enabled_any static shared; then
3245     cat <<EOF
3246 At least one library type must be built.
3247 Specify --enable-static to build the static libraries or --enable-shared to
3248 build the shared libraries as well. To only build the shared libraries specify
3249 --disable-static in addition to --enable-shared.
3250 EOF
3251     exit 1;
3252 fi
3253
3254 die_license_disabled() {
3255     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3256 }
3257
3258 die_license_disabled_gpl() {
3259     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3260 }
3261
3262 die_license_disabled gpl libcdio
3263 die_license_disabled gpl libutvideo
3264 die_license_disabled gpl libx264
3265 die_license_disabled gpl libxavs
3266 die_license_disabled gpl libxvid
3267 die_license_disabled gpl x11grab
3268
3269 die_license_disabled nonfree libaacplus
3270 die_license_disabled nonfree libfaac
3271 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3272 enabled gpl && die_license_disabled_gpl nonfree openssl
3273
3274 die_license_disabled version3 libopencore_amrnb
3275 die_license_disabled version3 libopencore_amrwb
3276 die_license_disabled version3 libvo_aacenc
3277 die_license_disabled version3 libvo_amrwbenc
3278
3279 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3280
3281 disabled optimizations || check_cflags -fomit-frame-pointer
3282
3283 enable_pic() {
3284     enable pic
3285     add_cppflags -DPIC
3286     add_cflags   -fPIC
3287     add_asflags  -fPIC
3288 }
3289
3290 enabled pic && enable_pic
3291
3292 check_cc <<EOF || die "Symbol mangling check failed."
3293 int ff_extern;
3294 EOF
3295 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3296 extern_prefix=${sym%%ff_extern*}
3297
3298 check_cc <<EOF && enable_weak inline_asm
3299 void foo(void) { __asm__ volatile ("" ::); }
3300 EOF
3301
3302 _restrict=
3303 for restrict_keyword in restrict __restrict__ __restrict; do
3304     check_cc <<EOF && _restrict=$restrict_keyword && break
3305 void foo(char * $restrict_keyword p);
3306 EOF
3307 done
3308
3309 check_cc <<EOF && enable attribute_packed
3310 struct { int x; } __attribute__((packed)) x;
3311 EOF
3312
3313 check_cc <<EOF && enable attribute_may_alias
3314 union { int x; } __attribute__((may_alias)) x;
3315 EOF
3316
3317 check_cc <<EOF || die "endian test failed"
3318 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3319 EOF
3320 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3321
3322 if enabled alpha; then
3323
3324     check_cflags -mieee
3325
3326 elif enabled arm; then
3327
3328     enabled thumb && check_cflags -mthumb || check_cflags -marm
3329     nogas=die
3330
3331     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3332         enable vfp_args
3333     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3334         case "${cross_prefix:-$cc}" in
3335             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
3336             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3337 __asm__ (".eabi_attribute 28, 1");
3338 int main(void) { return 0; }
3339 EOF
3340         esac
3341         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3342     fi
3343
3344     enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
3345     enabled armv6   && check_inline_asm armv6   '"sadd16 r0, r0, r0"'
3346     enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
3347     enabled armvfp  && check_inline_asm armvfp  '"fadds s0, s0, s0"'
3348     enabled neon    && check_inline_asm neon    '"vadd.i16 q0, q0, q0"'
3349     enabled vfpv3   && check_inline_asm vfpv3   '"vmov.f32 s0, #1.0"'
3350
3351     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3352     check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3353
3354     enabled_all armv6t2 shared !pic && enable_pic
3355
3356 elif enabled mips; then
3357
3358     check_inline_asm loongson '"dmult.g $1, $2, $3"'
3359     enabled mips32r2  && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3360      check_inline_asm mips32r2  '"rotr $t0, $t1, 1"'
3361     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3362      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3363     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3364      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3365     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3366      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
3367
3368 elif enabled ppc; then
3369
3370     enable local_aligned_8 local_aligned_16
3371
3372     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3373     check_inline_asm ibm_asm   '"add 0, 0, 0"'
3374     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'
3375     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3376
3377     # AltiVec flags: The FSF version of GCC differs from the Apple version
3378     if enabled altivec; then
3379         nogas=warn
3380         check_cflags -maltivec -mabi=altivec &&
3381         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3382         check_cflags -faltivec
3383
3384         # check if our compiler supports Motorola AltiVec C API
3385         check_cc <<EOF || disable altivec
3386 $inc_altivec_h
3387 int main(void) {
3388     vector signed int v1 = (vector signed int) { 0 };
3389     vector signed int v2 = (vector signed int) { 1 };
3390     v1 = vec_add(v1, v2);
3391     return 0;
3392 }
3393 EOF
3394
3395         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3396     fi
3397
3398 elif enabled sparc; then
3399
3400     enabled vis &&
3401         check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3402             add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3403
3404 elif enabled x86; then
3405
3406     check_code ld intrin.h "__rdtsc()" "cc" && enable rdtsc
3407
3408     check_code ld mmintrin.h "_mm_empty()" "cc" && enable mm_empty
3409
3410     enable local_aligned_8 local_aligned_16
3411
3412     # check whether EBP is available on x86
3413     # As 'i' is stored on the stack, this program will crash
3414     # if the base pointer is used to access it because the
3415     # base pointer is cleared in the inline assembly code.
3416     check_exec_crash <<EOF && enable ebp_available
3417 volatile int i=0;
3418 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3419 return i;
3420 EOF
3421
3422     # check whether EBX is available on x86
3423     check_inline_asm ebx_available '""::"b"(0)' &&
3424         check_inline_asm ebx_available '"":::"%ebx"'
3425
3426     # check whether xmm clobbers are supported
3427     check_inline_asm xmm_clobbers '"":::"%xmm0"'
3428
3429     # check whether binutils is new enough to compile SSSE3/MMXEXT
3430     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'
3431     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3432
3433     if ! disabled_any asm mmx yasm; then
3434         if check_cmd $yasmexe --version; then
3435             enabled x86_64 && yasm_extra="-m amd64"
3436             yasm_debug="-g dwarf2"
3437         elif check_cmd nasm -v; then
3438             yasmexe=nasm
3439             yasm_debug="-g -F dwarf"
3440             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3441         fi
3442
3443         YASMFLAGS="-f $objformat $yasm_extra"
3444         enabled pic               && append YASMFLAGS "-DPIC"
3445         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3446         case "$objformat" in
3447             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3448         esac
3449
3450         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3451             die "yasm not found, use --disable-yasm for a crippled build"
3452         check_yasm "vextractf128 xmm0, ymm0, 0"      || disable avx_external
3453         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3454         check_yasm "CPU amdnop" && enable cpunop
3455     fi
3456
3457     case "$cpu" in
3458         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3459             disable fast_clz
3460         ;;
3461     esac
3462
3463 fi
3464
3465 if enabled asm; then
3466     as=${gas:=$as}
3467     check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3468         $nogas "GNU assembler not found, install gas-preprocessor"
3469 fi
3470
3471 check_ldflags -Wl,--as-needed
3472
3473 if check_func dlopen; then
3474     ldl=
3475 elif check_func dlopen -ldl; then
3476     ldl=-ldl
3477 fi
3478
3479 if enabled network; then
3480     check_type "sys/types.h sys/socket.h" socklen_t
3481     check_type netdb.h "struct addrinfo"
3482     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3483     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3484     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3485     check_type netinet/in.h "struct sockaddr_in6"
3486     check_type poll.h "struct pollfd"
3487     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3488     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3489     check_type netinet/sctp.h "struct sctp_event_subscribe"
3490     check_func getaddrinfo $network_extralibs
3491     # Prefer arpa/inet.h over winsock2
3492     if check_header arpa/inet.h ; then
3493         check_func closesocket
3494     elif check_header winsock2.h ; then
3495         check_func_headers winsock2.h closesocket -lws2 &&
3496             network_extralibs="-lws2" ||
3497         { check_func_headers winsock2.h closesocket -lws2_32 &&
3498             network_extralibs="-lws2_32"; }
3499         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3500         check_type ws2tcpip.h socklen_t
3501         check_type ws2tcpip.h "struct addrinfo"
3502         check_type ws2tcpip.h "struct group_source_req"
3503         check_type ws2tcpip.h "struct ip_mreq_source"
3504         check_type ws2tcpip.h "struct ipv6_mreq"
3505         check_type winsock2.h "struct pollfd"
3506         check_type ws2tcpip.h "struct sockaddr_in6"
3507         check_type ws2tcpip.h "struct sockaddr_storage"
3508         check_struct winsock2.h "struct sockaddr" sa_len
3509     else
3510         disable network
3511     fi
3512 fi
3513
3514 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3515 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3516
3517 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3518 check_func  fcntl
3519 check_func  fork
3520 check_func  gethrtime
3521 check_func  getopt
3522 check_func  getrusage
3523 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3524 check_func  gettimeofday
3525 check_func  inet_aton $network_extralibs
3526 check_func  isatty
3527 check_func  localtime_r
3528 check_func  ${malloc_prefix}memalign            && enable memalign
3529 check_func  mkstemp
3530 check_func  mmap
3531 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3532 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
3533 check_func  setrlimit
3534 check_func  strerror_r
3535 check_func  sched_getaffinity
3536 check_func  sysconf
3537 check_func  sysctl
3538 check_func  usleep
3539 check_func_headers conio.h kbhit
3540 check_func_headers windows.h PeekNamedPipe
3541 check_func_headers io.h setmode
3542 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3543 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3544 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
3545 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3546 check_func_headers windows.h GetProcessAffinityMask
3547 check_func_headers windows.h GetProcessTimes
3548 check_func_headers windows.h GetSystemTimeAsFileTime
3549 check_func_headers windows.h MapViewOfFile
3550 check_func_headers windows.h Sleep
3551 check_func_headers windows.h VirtualAlloc
3552 check_func_headers glob.h glob
3553
3554 check_header direct.h
3555 check_header dlfcn.h
3556 check_header dxva.h
3557 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3558 check_header io.h
3559 check_header libcrystalhd/libcrystalhd_if.h
3560 check_header malloc.h
3561 check_header poll.h
3562 check_header sys/mman.h
3563 check_header sys/param.h
3564 check_header sys/resource.h
3565 check_header sys/select.h
3566 check_header sys/time.h
3567 check_header termios.h
3568 check_header unistd.h
3569 check_header vdpau/vdpau.h
3570 check_header vdpau/vdpau_x11.h
3571 check_header windows.h
3572 check_header X11/extensions/XvMClib.h
3573 check_header asm/types.h
3574
3575 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3576 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3577
3578 # check for VDA header
3579 if ! disabled vda && ! enabled ppc; then
3580     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3581         enable vda
3582         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3583     fi
3584 fi
3585
3586 if ! disabled w32threads && ! enabled pthreads; then
3587     check_func _beginthreadex && enable w32threads
3588 fi
3589
3590 # check for some common methods of building with pthread support
3591 # do this before the optional library checks as some of them require pthreads
3592 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3593     enable pthreads
3594     if check_func pthread_create; then
3595         :
3596     elif check_func pthread_create -pthread; then
3597         add_cflags -pthread
3598         add_extralibs -pthread
3599     elif check_func pthread_create -pthreads; then
3600         add_cflags -pthreads
3601         add_extralibs -pthreads
3602     elif check_func pthread_create -lpthreadGC2; then
3603         add_extralibs -lpthreadGC2
3604     elif ! check_lib pthread.h pthread_create -lpthread; then
3605         disable pthreads
3606     fi
3607 fi
3608
3609 for thread in $THREADS_LIST; do
3610     if enabled $thread; then
3611         test -n "$thread_type" &&
3612             die "ERROR: Only one thread type must be selected." ||
3613             thread_type="$thread"
3614     fi
3615 done
3616
3617 if enabled pthreads; then
3618   check_func pthread_cancel
3619 fi
3620
3621 check_lib math.h sin -lm && LIBM="-lm"
3622 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3623 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3624
3625 check_mathfunc cbrtf
3626 check_mathfunc exp2
3627 check_mathfunc exp2f
3628 check_mathfunc isinf
3629 check_mathfunc isnan
3630 check_mathfunc llrint
3631 check_mathfunc llrintf
3632 check_mathfunc log2
3633 check_mathfunc log2f
3634 check_mathfunc lrint
3635 check_mathfunc lrintf
3636 check_mathfunc rint
3637 check_mathfunc round
3638 check_mathfunc roundf
3639 check_mathfunc trunc
3640 check_mathfunc truncf
3641
3642 # these are off by default, so fail if requested and not available
3643 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3644 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3645 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3646 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3647 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
3648 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3649 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3650 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3651 enabled libcdio    && require2 libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3652 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3653                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3654                         die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
3655 enabled libcaca    && require_pkg_config caca caca.h caca_create_canvas
3656 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3657 enabled libfdk_aac && require  libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3658 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"
3659 enabled libflite   && require2 libflite "flite/flite.h" flite_init $flite_libs
3660 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3661 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3662 enabled libilbc    && require  libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3663 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3664 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3665 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3666 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3667 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3668 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3669 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3670 enabled libopus    && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3671 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3672 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3673 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3674 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3675 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3676     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3677     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3678 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3679 enabled libtwolame && require  libtwolame twolame.h twolame_init -ltwolame &&
3680                       { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
3681                         die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
3682 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3683 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3684 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3685 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3686 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3687 enabled libvpx     && {
3688     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3689                                 die "ERROR: libvpx decoder must be installed and version must be >=0.9.1"; }
3690     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
3691                                 die "ERROR: libvpx encoder version must be >=0.9.7"; } }
3692 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3693                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3694                         die "ERROR: libx264 must be installed and version must be >= 0.118."; }
3695 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3696 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3697 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3698                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3699                         die "ERROR: openal not found"; } &&
3700                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3701                         die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
3702 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3703                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3704                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3705                         die "ERROR: openssl not found"; }
3706
3707 if enabled gnutls; then
3708     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3709     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3710 fi
3711
3712 # libdc1394 check
3713 if enabled libdc1394; then
3714     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3715         enable libdc1394_2; } ||
3716     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3717         enable libdc1394_1; } ||
3718     die "ERROR: No version of libdc1394 found "
3719 fi
3720
3721 SDL_CONFIG="${cross_prefix}sdl-config"
3722 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3723     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3724     enable sdl &&
3725     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3726 else
3727   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3728     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3729     sdl_libs=$("${SDL_CONFIG}" --libs)
3730     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3731     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3732     enable sdl &&
3733     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3734   fi
3735 fi
3736 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3737
3738 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
3739 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3740 perl --version > /dev/null 2>&1 && enable perl || disable perl
3741 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
3742
3743 check_header linux/fb.h
3744 check_header linux/videodev.h
3745 check_header linux/videodev2.h
3746 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3747
3748 check_header sys/videoio.h
3749
3750 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3751 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3752 # w32api 3.12 had it defined wrong
3753 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3754
3755 check_type "dshow.h" IBaseFilter
3756
3757 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3758 { check_header dev/bktr/ioctl_meteor.h &&
3759   check_header dev/bktr/ioctl_bt848.h; } ||
3760 { check_header machine/ioctl_meteor.h &&
3761   check_header machine/ioctl_bt848.h; } ||
3762 { check_header dev/video/meteor/ioctl_meteor.h &&
3763   check_header dev/video/bktr/ioctl_bt848.h; } ||
3764 check_header dev/ic/bt8xx.h
3765
3766 check_header sndio.h
3767 if check_struct sys/soundcard.h audio_buf_info bytes; then
3768     enable_safe sys/soundcard.h
3769 else
3770     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3771     #include <sys/soundcard.h>
3772     audio_buf_info abc;
3773 EOF
3774 fi
3775 check_header soundcard.h
3776
3777 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3778
3779 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
3780     check_func jack_port_get_latency_range -ljack
3781
3782 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3783
3784 enabled x11grab                                           &&
3785 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3786 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3787 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3788
3789 if ! disabled vaapi; then
3790     check_lib va/va.h vaInitialize -lva && {
3791         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3792         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3793     } || disable vaapi
3794 fi
3795
3796 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3797     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3798         { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." && disable vdpau; }
3799 fi
3800
3801 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3802 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3803 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"
3804
3805 # add some useful compiler flags if supported
3806 check_cflags -Wdeclaration-after-statement
3807 check_cflags -Wall
3808 check_cflags -Wno-parentheses
3809 check_cflags -Wno-switch
3810 check_cflags -Wno-format-zero-length
3811 check_cflags -Wdisabled-optimization
3812 check_cflags -Wpointer-arith
3813 check_cflags -Wredundant-decls
3814 check_cflags -Wno-pointer-sign
3815 check_cflags -Wwrite-strings
3816 check_cflags -Wtype-limits
3817 check_cflags -Wundef
3818 check_cflags -Wmissing-prototypes
3819 check_cflags -Wno-pointer-to-int-cast
3820 check_cflags -Wstrict-prototypes
3821 enabled extra_warnings && check_cflags -Winline
3822
3823 # add some linker flags
3824 check_ldflags -Wl,--warn-common
3825 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3826 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3827
3828 enabled xmm_clobber_test &&
3829     check_ldflags -Wl,--wrap,avcodec_open2              \
3830                   -Wl,--wrap,avcodec_decode_audio4      \
3831                   -Wl,--wrap,avcodec_decode_video2      \
3832                   -Wl,--wrap,avcodec_decode_subtitle2   \
3833                   -Wl,--wrap,avcodec_encode_audio2      \
3834                   -Wl,--wrap,avcodec_encode_video       \
3835                   -Wl,--wrap,avcodec_encode_subtitle    \
3836                   -Wl,--wrap,sws_scale ||
3837     disable xmm_clobber_test
3838
3839 echo "X{};" > $TMPV
3840 if test_ldflags -Wl,--version-script,$TMPV; then
3841     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3842     check_cc <<EOF && enable symver_asm_label
3843 void ff_foo(void) __asm__ ("av_foo@VERSION");
3844 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3845 EOF
3846     check_cc <<EOF && enable symver_gnu_asm
3847 __asm__(".symver ff_foo,av_foo@VERSION");
3848 void ff_foo(void) {}
3849 EOF
3850 fi
3851
3852 if [ -z "$optflags" ]; then
3853     if enabled small; then
3854         optflags=$cflags_size
3855     elif enabled optimizations; then
3856         optflags=$cflags_speed
3857     else
3858         optflags=$cflags_noopt
3859     fi
3860 fi
3861
3862 check_optflags(){
3863     check_cflags "$@"
3864     enabled lto && check_ldflags "$@"
3865 }
3866
3867
3868 if enabled lto; then
3869     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
3870     check_cflags  -flto
3871     check_ldflags -flto $cpuflags
3872 fi
3873
3874 check_optflags $optflags
3875 check_optflags -fno-math-errno
3876 check_optflags -fno-signed-zeros
3877
3878 enabled ftrapv && check_cflags -ftrapv
3879
3880 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3881 int x;
3882 EOF
3883
3884
3885 if enabled icc; then
3886     # Just warnings, no remarks
3887     check_cflags -w1
3888     # -wd: Disable following warnings
3889     # 144, 167, 556: -Wno-pointer-sign
3890     # 1292: attribute "foo" ignored
3891     # 1419: external declaration in primary source file
3892     # 10006: ignoring unknown option -fno-signed-zeros
3893     # 10148: ignoring unknown option -Wno-parentheses
3894     # 10156: ignoring option '-W'; no argument required
3895     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3896     # 11030: Warning unknown option --as-needed
3897     # 10156: ignoring option '-export'; no argument required
3898     check_ldflags -wd10156,11030
3899     # Allow to compile with optimizations
3900     check_ldflags -march=$cpu
3901     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3902     enable ebp_available
3903     if enabled x86_32; then
3904         icc_version=$($cc -dumpversion)
3905         test ${icc_version%%.*} -ge 11 &&
3906             check_cflags -falign-stack=maintain-16-byte ||
3907             disable aligned_stack
3908     fi
3909 elif enabled ccc; then
3910     # disable some annoying warnings
3911     add_cflags -msg_disable cvtu32to64
3912     add_cflags -msg_disable embedcomment
3913     add_cflags -msg_disable needconstext
3914     add_cflags -msg_disable nomainieee
3915     add_cflags -msg_disable ptrmismatch1
3916     add_cflags -msg_disable unreachcode
3917 elif enabled gcc; then
3918     check_optflags -fno-tree-vectorize
3919     check_cflags -Werror=implicit-function-declaration
3920     check_cflags -Werror=missing-prototypes
3921     check_cflags -Werror=vla
3922 elif enabled llvm_gcc; then
3923     check_cflags -mllvm -stack-alignment=16
3924 elif enabled clang; then
3925     check_cflags -mllvm -stack-alignment=16
3926     check_cflags -Qunused-arguments
3927 elif enabled armcc; then
3928     # 2523: use of inline assembler is deprecated
3929     add_cflags -W${armcc_opt},--diag_suppress=2523
3930     add_cflags -W${armcc_opt},--diag_suppress=1207
3931     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3932     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3933     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3934     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3935 elif enabled tms470; then
3936     add_cflags -pds=824 -pds=837
3937 elif enabled pathscale; then
3938     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3939 elif enabled msvc; then
3940     enabled x86_32 && disable aligned_stack
3941 fi
3942
3943 enabled_any $THREADS_LIST      && enable threads
3944
3945 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3946
3947 check_deps $CONFIG_LIST       \
3948            $CONFIG_EXTRA      \
3949            $HAVE_LIST         \
3950            $ALL_COMPONENTS    \
3951            $ALL_TESTS         \
3952
3953
3954 if test $target_os = "haiku"; then
3955     disable memalign
3956     disable posix_memalign
3957 fi
3958
3959 ! enabled_any memalign posix_memalign aligned_malloc &&
3960     enabled_any $need_memalign && enable memalign_hack
3961
3962 # add_dep lib dep
3963 # -> enable ${lib}_deps_${dep}
3964 # -> add $dep to ${lib}_deps only once
3965 add_dep() {
3966     lib=$1
3967     dep=$2
3968     enabled "${lib}_deps_${dep}" && return 0
3969     enable  "${lib}_deps_${dep}"
3970     prepend "${lib}_deps" $dep
3971 }
3972
3973 # merge deps lib components
3974 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3975 merge_deps() {
3976     lib=$1
3977     shift
3978     for comp in $*; do
3979         enabled $comp || continue
3980         eval "dep=\"\$${comp}_deps\""
3981         for d in $dep; do
3982             add_dep $lib $d
3983         done
3984     done
3985 }
3986
3987 merge_deps libavfilter $FILTER_LIST
3988
3989 echo "install prefix            $prefix"
3990 echo "source path               $source_path"
3991 echo "C compiler                $cc"
3992 echo "ARCH                      $arch ($cpu)"
3993 if test "$build_suffix" != ""; then
3994     echo "build suffix              $build_suffix"
3995 fi
3996 if test "$progs_suffix" != ""; then
3997     echo "progs suffix              $progs_suffix"
3998 fi
3999 if test "$extra_version" != ""; then
4000     echo "version string suffix     $extra_version"
4001 fi
4002 echo "big-endian                ${bigendian-no}"
4003 echo "runtime cpu detection     ${runtime_cpudetect-no}"
4004 if enabled x86; then
4005     echo "${yasmexe}                      ${yasm-no}"
4006     echo "MMX enabled               ${mmx-no}"
4007     echo "MMXEXT enabled            ${mmxext-no}"
4008     echo "3DNow! enabled            ${amd3dnow-no}"
4009     echo "3DNow! extended enabled   ${amd3dnowext-no}"
4010     echo "SSE enabled               ${sse-no}"
4011     echo "SSSE3 enabled             ${ssse3-no}"
4012     echo "AVX enabled               ${avx-no}"
4013     echo "FMA4 enabled              ${fma4-no}"
4014     echo "CMOV enabled              ${cmov-no}"
4015     echo "CMOV is fast              ${fast_cmov-no}"
4016     echo "EBX available             ${ebx_available-no}"
4017     echo "EBP available             ${ebp_available-no}"
4018 fi
4019 if enabled arm; then
4020     echo "ARMv5TE enabled           ${armv5te-no}"
4021     echo "ARMv6 enabled             ${armv6-no}"
4022     echo "ARMv6T2 enabled           ${armv6t2-no}"
4023     echo "ARM VFP enabled           ${armvfp-no}"
4024     echo "NEON enabled              ${neon-no}"
4025 fi
4026 if enabled mips; then
4027     echo "MIPS FPU enabled          ${mipsfpu-no}"
4028     echo "MIPS32R2 enabled          ${mips32r2-no}"
4029     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
4030     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
4031 fi
4032 if enabled ppc; then
4033     echo "AltiVec enabled           ${altivec-no}"
4034     echo "PPC 4xx optimizations     ${ppc4xx-no}"
4035     echo "dcbzl available           ${dcbzl-no}"
4036 fi
4037 if enabled sparc; then
4038     echo "VIS enabled               ${vis-no}"
4039 fi
4040 echo "debug symbols             ${debug-no}"
4041 echo "strip symbols             ${stripping-no}"
4042 echo "optimize for size         ${small-no}"
4043 echo "optimizations             ${optimizations-no}"
4044 echo "static                    ${static-no}"
4045 echo "shared                    ${shared-no}"
4046 echo "postprocessing support    ${postproc-no}"
4047 echo "new filter support        ${avfilter-no}"
4048 echo "network support           ${network-no}"
4049 echo "threading support         ${thread_type-no}"
4050 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
4051 echo "SDL support               ${sdl-no}"
4052 echo "libdxva2 enabled          ${dxva2-no}"
4053 echo "libva enabled             ${vaapi-no}"
4054 echo "libvdpau enabled          ${vdpau-no}"
4055 echo "AVISynth enabled          ${avisynth-no}"
4056 echo "frei0r enabled            ${frei0r-no}"
4057 echo "gnutls enabled            ${gnutls-no}"
4058 echo "libaacplus enabled        ${libaacplus-no}"
4059 echo "libass enabled            ${libass-no}"
4060 echo "libcaca enabled           ${libcaca-no}"
4061 echo "libcdio support           ${libcdio-no}"
4062 echo "libcelt enabled           ${libcelt-no}"
4063 echo "libdc1394 support         ${libdc1394-no}"
4064 echo "libfaac enabled           ${libfaac-no}"
4065 echo "libfdk-aac enabled        ${libfdk_aac-no}"
4066 echo "libgsm enabled            ${libgsm-no}"
4067 echo "libiec61883 support       ${libiec61883-no}"
4068 echo "libilbc enabled           ${libilbc-no}"
4069 echo "libmodplug enabled        ${libmodplug-no}"
4070 echo "libmp3lame enabled        ${libmp3lame-no}"
4071 echo "libnut enabled            ${libnut-no}"
4072 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
4073 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
4074 echo "libopencv support         ${libopencv-no}"
4075 echo "libopenjpeg enabled       ${libopenjpeg-no}"
4076 echo "libopus enabled           ${libopus-no}"
4077 echo "libpulse enabled          ${libpulse-no}"
4078 echo "librtmp enabled           ${librtmp-no}"
4079 echo "libschroedinger enabled   ${libschroedinger-no}"
4080 echo "libspeex enabled          ${libspeex-no}"
4081 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
4082 echo "libtheora enabled         ${libtheora-no}"
4083 echo "libtwolame enabled        ${libtwolame-no}"
4084 echo "libutvideo enabled        ${libutvideo-no}"
4085 echo "libv4l2 enabled           ${libv4l2-no}"
4086 echo "libvo-aacenc support      ${libvo_aacenc-no}"
4087 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
4088 echo "libvorbis enabled         ${libvorbis-no}"
4089 echo "libvpx enabled            ${libvpx-no}"
4090 echo "libx264 enabled           ${libx264-no}"
4091 echo "libxavs enabled           ${libxavs-no}"
4092 echo "libxvid enabled           ${libxvid-no}"
4093 echo "openal enabled            ${openal-no}"
4094 echo "openssl enabled           ${openssl-no}"
4095 echo "zlib enabled              ${zlib-no}"
4096 echo "bzlib enabled             ${bzlib-no}"
4097 echo "texi2html enabled         ${texi2html-no}"
4098 echo "perl enabled              ${perl-no}"
4099 echo "pod2man enabled           ${pod2man-no}"
4100 echo "makeinfo enabled          ${makeinfo-no}"
4101 test -n "$random_seed" &&
4102     echo "random seed               ${random_seed}"
4103 echo
4104
4105 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4106     echo "Enabled ${type}s:"
4107     eval list=\$$(toupper $type)_LIST
4108     print_enabled '_*' $list | sort | pr -r -3 -t
4109     echo
4110 done
4111
4112 license="LGPL version 2.1 or later"
4113 if enabled nonfree; then
4114     license="nonfree and unredistributable"
4115 elif enabled gplv3; then
4116     license="GPL version 3 or later"
4117 elif enabled lgplv3; then
4118     license="LGPL version 3 or later"
4119 elif enabled gpl; then
4120     license="GPL version 2 or later"
4121 fi
4122
4123 echo "License: $license"
4124
4125 echo "Creating config.mak and config.h..."
4126
4127 test -e Makefile || $ln_s "$source_path/Makefile" .
4128
4129 enabled stripping || strip="echo skipping strip"
4130
4131 config_files="$TMPH config.mak"
4132
4133 cat > config.mak <<EOF
4134 # Automatically generated by configure - do not modify!
4135 ifndef FFMPEG_CONFIG_MAK
4136 FFMPEG_CONFIG_MAK=1
4137 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4138 prefix=$prefix
4139 LIBDIR=\$(DESTDIR)$libdir
4140 SHLIBDIR=\$(DESTDIR)$shlibdir
4141 INCDIR=\$(DESTDIR)$incdir
4142 BINDIR=\$(DESTDIR)$bindir
4143 DATADIR=\$(DESTDIR)$datadir
4144 MANDIR=\$(DESTDIR)$mandir
4145 SRC_PATH=$source_path
4146 ifndef MAIN_MAKEFILE
4147 SRC_PATH:=\$(SRC_PATH:.%=..%)
4148 endif
4149 CC_IDENT=$cc_ident
4150 ARCH=$arch
4151 CC=$cc
4152 CXX=$cxx
4153 AS=$as
4154 LD=$ld
4155 DEPCC=$dep_cc
4156 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4157 DEPAS=$as
4158 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4159 YASM=$yasmexe
4160 DEPYASM=$yasmexe
4161 AR=$ar
4162 ARFLAGS=$arflags
4163 AR_O=$ar_o
4164 RANLIB=$ranlib
4165 CP=cp -p
4166 LN_S=$ln_s
4167 STRIP=$strip
4168 CPPFLAGS=$CPPFLAGS
4169 CFLAGS=$CFLAGS
4170 CXXFLAGS=$CXXFLAGS
4171 ASFLAGS=$ASFLAGS
4172 AS_C=$AS_C
4173 AS_O=$AS_O
4174 CC_C=$CC_C
4175 CC_O=$CC_O
4176 CXX_C=$CXX_C
4177 CXX_O=$CXX_O
4178 LD_O=$LD_O
4179 LD_LIB=$LD_LIB
4180 LD_PATH=$LD_PATH
4181 DLLTOOL=$dlltool
4182 LDFLAGS=$LDFLAGS
4183 LDFLAGS-ffserver=$FFSERVERLDFLAGS
4184 SHFLAGS=$SHFLAGS
4185 YASMFLAGS=$YASMFLAGS
4186 BUILDSUF=$build_suffix
4187 PROGSSUF=$progs_suffix
4188 FULLNAME=$FULLNAME
4189 LIBPREF=$LIBPREF
4190 LIBSUF=$LIBSUF
4191 LIBNAME=$LIBNAME
4192 SLIBPREF=$SLIBPREF
4193 SLIBSUF=$SLIBSUF
4194 EXESUF=$EXESUF
4195 EXTRA_VERSION=$extra_version
4196 CCDEP=$CCDEP
4197 CXXDEP=$CXXDEP
4198 CCDEP_FLAGS=$CCDEP_FLAGS
4199 ASDEP=$ASDEP
4200 ASDEP_FLAGS=$ASDEP_FLAGS
4201 CC_DEPFLAGS=$CC_DEPFLAGS
4202 AS_DEPFLAGS=$AS_DEPFLAGS
4203 HOSTCC=$host_cc
4204 HOSTLD=$host_ld
4205 HOSTCFLAGS=$host_cflags
4206 HOSTEXESUF=$HOSTEXESUF
4207 HOSTLDFLAGS=$host_ldflags
4208 HOSTLIBS=$host_libs
4209 DEPHOSTCC=$host_cc
4210 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4211 HOSTCCDEP=$HOSTCCDEP
4212 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4213 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4214 HOSTCC_C=$HOSTCC_C
4215 HOSTCC_O=$HOSTCC_O
4216 HOSTLD_O=$HOSTLD_O
4217 TARGET_EXEC=$target_exec
4218 TARGET_PATH=$target_path
4219 LIBS-ffplay=$sdl_libs
4220 CFLAGS-ffplay=$sdl_cflags
4221 ZLIB=$($ldflags_filter -lz)
4222 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4223 EXTRALIBS=$extralibs
4224 INSTALL=$install
4225 LIBTARGET=${LIBTARGET}
4226 SLIBNAME=${SLIBNAME}
4227 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4228 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4229 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4230 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4231 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4232 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4233 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4234 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4235 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4236 NOREDZONE_FLAGS=$noredzone_flags
4237 EOF
4238
4239 get_version(){
4240     lcname=$1
4241     name=$(toupper $lcname)
4242     file=$source_path/$lcname/version.h
4243     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4244     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4245     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4246     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4247 }
4248
4249 get_version_old(){
4250     name=$1
4251     file=$source_path/$2
4252 # This condition will be removed when we stop supporting old libpostproc versions
4253 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
4254     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4255     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4256 fi
4257     lcname=$(tolower $name)
4258     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4259     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4260 }
4261
4262 get_version_old LIBPOSTPROC libpostproc/version.h
4263
4264 get_version libavcodec
4265 get_version libavdevice
4266 get_version libavfilter
4267 get_version libavformat
4268 get_version libavresample
4269 get_version libavutil
4270 get_version libswresample
4271 get_version libswscale
4272
4273 cat > $TMPH <<EOF
4274 /* Automatically generated by configure - do not modify! */
4275 #ifndef FFMPEG_CONFIG_H
4276 #define FFMPEG_CONFIG_H
4277 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4278 #define FFMPEG_LICENSE "$(c_escape $license)"
4279 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4280 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4281 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4282 #define av_restrict $_restrict
4283 #define EXTERN_PREFIX "${extern_prefix}"
4284 #define EXTERN_ASM ${extern_prefix}
4285 #define SLIBSUF "$SLIBSUF"
4286 #define HAVE_MMX2 HAVE_MMXEXT
4287 EOF
4288
4289 test -n "$assert_level" &&
4290     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4291
4292 test -n "$malloc_prefix" &&
4293     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4294
4295 if enabled yasm; then
4296     append config_files $TMPASM
4297     printf '' >$TMPASM
4298 fi
4299
4300 print_config ARCH_   "$config_files" $ARCH_LIST
4301 print_config HAVE_   "$config_files" $HAVE_LIST
4302 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
4303                                      $CONFIG_EXTRA      \
4304                                      $ALL_COMPONENTS    \
4305
4306 cat >>config.mak <<EOF
4307 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
4308 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
4309 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
4310 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
4311 EOF
4312
4313 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4314 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4315
4316 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4317 cp_if_changed $TMPH config.h
4318 touch .config
4319
4320 enabled yasm && cp_if_changed $TMPASM config.asm
4321
4322 cat > $TMPH <<EOF
4323 /* Generated by ffconf */
4324 #ifndef AVUTIL_AVCONFIG_H
4325 #define AVUTIL_AVCONFIG_H
4326 EOF
4327
4328 test "$postproc_version" != current && cat >> $TMPH <<EOF
4329 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
4330 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
4331 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
4332 EOF
4333
4334 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4335
4336 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4337
4338 cp_if_changed $TMPH libavutil/avconfig.h
4339
4340 test -n "$WARNINGS" && printf "\n$WARNINGS"
4341
4342 # build pkg-config files
4343
4344 pkgconfig_generate(){
4345     name=$1
4346     shortname=${name#lib}${build_suffix}
4347     comment=$2
4348     version=$3
4349     libs=$4
4350     requires=$5
4351     enabled ${name#lib} || return 0
4352     mkdir -p $name
4353     cat <<EOF > $name/$name.pc
4354 prefix=$prefix
4355 exec_prefix=\${prefix}
4356 libdir=$libdir
4357 includedir=$incdir
4358
4359 Name: $name
4360 Description: $comment
4361 Version: $version
4362 Requires: $(enabled shared || echo $requires)
4363 Requires.private: $(enabled shared && echo $requires)
4364 Conflicts:
4365 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4366 Libs.private: $(enabled shared && echo $libs)
4367 Cflags: -I\${includedir}
4368 EOF
4369
4370 mkdir -p doc/examples/pc-uninstalled
4371 includedir=${source_path}
4372 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4373     cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4374 prefix=
4375 exec_prefix=
4376 libdir=\${pcfiledir}/../../../$name
4377 includedir=${includedir}
4378
4379 Name: $name
4380 Description: $comment
4381 Version: $version
4382 Requires: $requires
4383 Conflicts:
4384 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4385 Cflags: -I\${includedir}
4386 EOF
4387 }
4388
4389 libavfilter_pc_deps=""
4390 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
4391 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
4392 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
4393 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
4394 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
4395 libavfilter_pc_deps=${libavfilter_pc_deps%, }
4396
4397 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
4398 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
4399
4400 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4401 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
4402 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
4403 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
4404 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
4405 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
4406 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
4407 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4408 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4409
4410 fix_ffmpeg_remote(){
4411     git_remote_from=$1
4412     git_remote_to=$2
4413     fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
4414     if [ "$fixme_remote" != "" ]; then
4415         echolog "
4416 Outdated domain in git config, the official domain for ffmpeg git is since
4417 November 2011, source.ffmpeg.org, both the old and the new point to the same
4418 repository and server. To update it enter the following commands:
4419 "
4420         for remote in $fixme_remote; do
4421             echolog "git remote set-url $remote $git_remote_to"
4422         done
4423     fi
4424 }
4425
4426 if test -f "$source_path/.git/config"; then
4427     remote_from=git.videolan.org
4428     remote_to=source.ffmpeg.org
4429     fix_ffmpeg_remote git@$remote_from:ffmpeg   git@$remote_to:ffmpeg
4430     fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg
4431 fi