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   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
  99   --enable-gray            enable full grayscale support (slower color)
 100   --disable-swscale-alpha  disable alpha channel support in swscale
 101
 102 Component options:
 103   --disable-doc            do not build documentation
 104   --disable-ffmpeg         disable ffmpeg build
 105   --disable-ffplay         disable ffplay build
 106   --disable-ffprobe        disable ffprobe build
 107   --disable-ffserver       disable ffserver build
 108   --disable-avdevice       disable libavdevice build
 109   --disable-avcodec        disable libavcodec build
 110   --disable-avformat       disable libavformat build
 111   --disable-swresample     disable libswresample build
 112   --disable-swscale        disable libswscale build
 113   --disable-postproc       disable libpostproc build
 114   --disable-avfilter       disable video filter support [no]
 115   --enable-avresample      enable libavresample build [no]
 116   --disable-pthreads       disable pthreads [auto]
 117   --disable-w32threads     disable Win32 threads [auto]
 118   --disable-os2threads     disable OS/2 threads [auto]
 119   --enable-x11grab         enable X11 grabbing [no]
 120   --disable-network        disable network support [no]
 121   --disable-dct            disable DCT code
 122   --disable-mdct           disable MDCT code
 123   --disable-rdft           disable RDFT code
 124   --disable-fft            disable FFT code
 125   --enable-dxva2           enable DXVA2 code
 126   --enable-vaapi           enable VAAPI code [autodetect]
 127   --enable-vda             enable VDA code   [autodetect]
 128   --enable-vdpau           enable VDPAU code [autodetect]
 129
 130 Individual component options:
 131   --disable-everything     disable all components listed below
 132   --disable-encoder=NAME   disable encoder NAME
 133   --enable-encoder=NAME    enable encoder NAME
 134   --disable-encoders       disable all encoders
 135   --disable-decoder=NAME   disable decoder NAME
 136   --enable-decoder=NAME    enable decoder NAME
 137   --disable-decoders       disable all decoders
 138   --disable-hwaccel=NAME   disable hwaccel NAME
 139   --enable-hwaccel=NAME    enable hwaccel NAME
 140   --disable-hwaccels       disable all hwaccels
 141   --disable-muxer=NAME     disable muxer NAME
 142   --enable-muxer=NAME      enable muxer NAME
 143   --disable-muxers         disable all muxers
 144   --disable-demuxer=NAME   disable demuxer NAME
 145   --enable-demuxer=NAME    enable demuxer NAME
 146   --disable-demuxers       disable all demuxers
 147   --enable-parser=NAME     enable parser NAME
 148   --disable-parser=NAME    disable parser NAME
 149   --disable-parsers        disable all parsers
 150   --enable-bsf=NAME        enable bitstream filter NAME
 151   --disable-bsf=NAME       disable bitstream filter NAME
 152   --disable-bsfs           disable all bitstream filters
 153   --enable-protocol=NAME   enable protocol NAME
 154   --disable-protocol=NAME  disable protocol NAME
 155   --disable-protocols      disable all protocols
 156   --enable-indev=NAME      enable input device NAME
 157   --disable-indev=NAME     disable input device NAME
 158   --disable-indevs         disable input devices
 159   --enable-outdev=NAME     enable output device NAME
 160   --disable-outdev=NAME    disable output device NAME
 161   --disable-outdevs        disable output devices
 162   --disable-devices        disable all devices
 163   --enable-filter=NAME     enable filter NAME
 164   --disable-filter=NAME    disable filter NAME
 165   --disable-filters        disable all filters
 166
 167 External library support:
 168   --enable-avisynth        enable reading of AVISynth script files [no]
 169   --enable-bzlib           enable bzlib [autodetect]
 170   --enable-fontconfig      enable fontconfig
 171   --enable-frei0r          enable frei0r video filtering
 172   --enable-gnutls          enable gnutls [no]
 173   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
 174   --enable-libass          enable libass subtitles rendering [no]
 175   --enable-libbluray       enable BluRay reading using libbluray [no]
 176   --enable-libcelt         enable CELT decoding via libcelt [no]
 177   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 178   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 179   --enable-libopencv       enable video filtering via libopencv [no]
 180   --enable-libcdio         enable audio CD grabbing with libcdio
 181   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 182                            and libraw1394 [no]
 183   --enable-libfaac         enable FAAC support via libfaac [no]
 184   --enable-libfreetype     enable libfreetype [no]
 185   --enable-libgsm          enable GSM support via libgsm [no]
 186   --enable-libmodplug      enable ModPlug via libmodplug [no]
 187   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
 188   --enable-libnut          enable NUT (de)muxing via libnut,
 189                            native (de)muxer exists [no]
 190   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
 191   --enable-libpulse        enable Pulseaudio input via libpulse [no]
 192   --enable-librtmp         enable RTMP[E] support via librtmp [no]
 193   --enable-libschroedinger enable Dirac support via libschroedinger [no]
 194   --enable-libspeex        enable Speex support via libspeex [no]
 195   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
 196   --enable-libtheora       enable Theora encoding via libtheora [no]
 197   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
 198   --enable-libv4l2         enable libv4l2/v4l-utils [no]
 199   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
 200   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
 201   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
 202                            native implementation exists [no]
 203   --enable-libvpx          enable VP8 support via libvpx [no]
 204   --enable-libx264         enable H.264 encoding via x264 [no]
 205   --enable-libxavs         enable AVS encoding via xavs [no]
 206   --enable-libxvid         enable Xvid encoding via xvidcore,
 207                            native MPEG-4/Xvid encoder exists [no]
 208   --enable-openal          enable OpenAL 1.1 capture support [no]
 209   --enable-openssl         enable openssl [no]
 210   --enable-zlib            enable zlib [autodetect]
 211
 212 Advanced options (experts only):
 213   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
 214   --enable-cross-compile   assume a cross-compiler is used
 215   --sysroot=PATH           root of cross-build tree
 216   --sysinclude=PATH        location of cross-build system headers
 217   --target-os=OS           compiler targets OS [$target_os]
 218   --target-exec=CMD        command to run executables on target
 219   --target-path=DIR        path to view of build directory on target
 220   --nm=NM                  use nm tool NM [$nm_default]
 221   --ar=AR                  use archive tool AR [$ar_default]
 222   --as=AS                  use assembler AS [$as_default]
 223   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
 224   --cc=CC                  use C compiler CC [$cc_default]
 225   --cxx=CXX                use C compiler CXX [$cxx_default]
 226   --ld=LD                  use linker LD [$ld_default]
 227   --host-cc=HOSTCC         use host C compiler HOSTCC
 228   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 229   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 230   --host-libs=HLIBS        use libs HLIBS when linking for host
 231   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 232   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
 233   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
 234   --extra-libs=ELIBS       add ELIBS [$ELIBS]
 235   --extra-version=STRING   version string suffix []
 236   --optflags               override optimization-related compiler flags
 237   --build-suffix=SUFFIX    library name suffix []
 238   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
 239   --progs-suffix=SUFFIX    program name suffix []
 240   --arch=ARCH              select architecture [$arch]
 241   --cpu=CPU                select the minimum required CPU (affects
 242                            instruction selection, may crash on older CPUs)
 243   --enable-pic             build position-independent code
 244   --enable-sram            allow use of on-chip SRAM
 245   --disable-symver         disable symbol versioning
 246   --disable-fastdiv        disable table-based division
 247   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 248   --disable-safe-bitstream-reader
 249                            disable buffer boundary checking in bitreaders
 250                            (faster, but may crash)
 251   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 252
 253 Optimization options (experts only):
 254   --disable-asm            disable all assembler optimizations
 255   --disable-altivec        disable AltiVec optimizations
 256   --disable-amd3dnow       disable 3DNow! optimizations
 257   --disable-amd3dnowext    disable 3DNow! extended optimizations
 258   --disable-mmx            disable MMX optimizations
 259   --disable-mmx2           disable MMX2 optimizations
 260   --disable-sse            disable SSE optimizations
 261   --disable-ssse3          disable SSSE3 optimizations
 262   --disable-avx            disable AVX optimizations
 263   --disable-armv5te        disable armv5te optimizations
 264   --disable-armv6          disable armv6 optimizations
 265   --disable-armv6t2        disable armv6t2 optimizations
 266   --disable-armvfp         disable ARM VFP optimizations
 267   --disable-mmi            disable MMI optimizations
 268   --disable-neon           disable NEON optimizations
 269   --disable-vis            disable VIS optimizations
 270   --disable-yasm           disable use of yasm assembler
 271   --postproc-version=V     build libpostproc version V.
 272                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
 273
 274 Developer options (useful when working on FFmpeg itself):
 275   --enable-coverage        build with test coverage instrumentation
 276   --disable-debug          disable debugging symbols
 277   --enable-debug=LEVEL     set the debug level [$debuglevel]
 278   --disable-optimizations  disable compiler optimizations
 279   --enable-extra-warnings  enable more compiler warnings
 280   --disable-stripping      disable stripping of executables and shared libraries
 281   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
 282                            2 causes a slowdown at runtime.
 283   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
 284                            leaks and errors, using the specified valgrind binary.
 285                            Cannot be combined with --target-exec
 286   --samples=PATH           location of test samples for FATE, if not set use
 287                            \$FATE_SAMPLES at make invocation time.
 288   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
 289                            should be used only for debugging purposes)
 290   --enable-random          randomly enable/disable components
 291   --disable-random
 292   --enable-random=LIST     randomly enable/disable specific components or
 293   --disable-random=LIST    component groups. LIST is a comma-separated list
 294                            of NAME[:PROB] entries where NAME is a component
 295                            (group) and PROB the probability associated with
 296                            NAME (default 0.5).
 297   --random-seed=VALUE      seed value for --enable/disable-random
 298
 299 NOTE: Object files are built at the place where configure is launched.
 300 EOF
 301   exit 0
 302 }
 303
 304 quotes='""'
 305
 306 log(){
 307     echo "$@" >> $logfile
 308 }
 309
 310 log_file(){
 311     log BEGIN $1
 312     pr -n -t $1 >> $logfile
 313     log END $1
 314 }
 315
 316 echolog(){
 317     log "$@"
 318     echo "$@"
 319 }
 320
 321 warn(){
 322     log "WARNING: $*"
 323     WARNINGS="${WARNINGS}WARNING: $*\n"
 324 }
 325
 326 die(){
 327     echolog "$@"
 328     cat <<EOF
 329
 330 If you think configure made a mistake, make sure you are using the latest
 331 version from Git.  If the latest version fails, report the problem to the
 332 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 333 EOF
 334     if disabled logging; then
 335         cat <<EOF
 336 Rerun configure with logging enabled (do not use --disable-logging), and
 337 include the log this produces with your report.
 338 EOF
 339     else
 340 cat <<EOF
 341 Include the log file "$logfile" produced by configure as this will help
 342 solving the problem.
 343 EOF
 344     fi
 345     exit 1
 346 }
 347
 348 # Avoid locale weirdness, besides we really just want to translate ASCII.
 349 toupper(){
 350     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 351 }
 352
 353 tolower(){
 354     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 355 }
 356
 357 c_escape(){
 358     echo "$*" | sed 's/["\\]/\\\0/g'
 359 }
 360
 361 sh_quote(){
 362     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 363     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 364     echo "$v"
 365 }
 366
 367 cleanws(){
 368     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 369 }
 370
 371 filter(){
 372     pat=$1
 373     shift
 374     for v; do
 375         eval "case $v in $pat) echo $v ;; esac"
 376     done
 377 }
 378
 379 filter_out(){
 380     pat=$1
 381     shift
 382     for v; do
 383         eval "case $v in $pat) ;; *) echo $v ;; esac"
 384     done
 385 }
 386
 387 map(){
 388     m=$1
 389     shift
 390     for v; do eval $m; done
 391 }
 392
 393 set_all(){
 394     value=$1
 395     shift
 396     for var in $*; do
 397         eval $var=$value
 398     done
 399 }
 400
 401 set_weak(){
 402     value=$1
 403     shift
 404     for var; do
 405         eval : \${$var:=$value}
 406     done
 407 }
 408
 409 set_safe(){
 410     var=$1
 411     shift
 412     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 413 }
 414
 415 get_safe(){
 416     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 417 }
 418
 419 pushvar(){
 420     for var in $*; do
 421         eval level=\${${var}_level:=0}
 422         eval ${var}_${level}="\$$var"
 423         eval ${var}_level=$(($level+1))
 424     done
 425 }
 426
 427 popvar(){
 428     for var in $*; do
 429         eval level=\${${var}_level:-0}
 430         test $level = 0 && continue
 431         eval level=$(($level-1))
 432         eval $var="\${${var}_${level}}"
 433         eval ${var}_level=$level
 434         eval unset ${var}_${level}
 435     done
 436 }
 437
 438 enable(){
 439     set_all yes $*
 440 }
 441
 442 disable(){
 443     set_all no $*
 444 }
 445
 446 enable_weak(){
 447     set_weak yes $*
 448 }
 449
 450 disable_weak(){
 451     set_weak no $*
 452 }
 453
 454 enable_safe(){
 455     for var; do
 456         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 457     done
 458 }
 459
 460 disable_safe(){
 461     for var; do
 462         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 463     done
 464 }
 465
 466 do_enable_deep(){
 467     for var; do
 468         enabled $var && continue
 469         eval sel="\$${var}_select"
 470         eval sgs="\$${var}_suggest"
 471         pushvar var sgs
 472         enable_deep $sel
 473         popvar sgs
 474         enable_deep_weak $sgs
 475         popvar var
 476     done
 477 }
 478
 479 enable_deep(){
 480     do_enable_deep $*
 481     enable $*
 482 }
 483
 484 enable_deep_weak(){
 485     do_enable_deep $*
 486     enable_weak $*
 487 }
 488
 489 enabled(){
 490     test "${1#!}" = "$1" && op== || op=!=
 491     eval test "x\$${1#!}" $op "xyes"
 492 }
 493
 494 disabled(){
 495     test "${1#!}" = "$1" && op== || op=!=
 496     eval test "x\$${1#!}" $op "xno"
 497 }
 498
 499 enabled_all(){
 500     for opt; do
 501         enabled $opt || return 1
 502     done
 503 }
 504
 505 disabled_all(){
 506     for opt; do
 507         disabled $opt || return 1
 508     done
 509 }
 510
 511 enabled_any(){
 512     for opt; do
 513         enabled $opt && return 0
 514     done
 515 }
 516
 517 disabled_any(){
 518     for opt; do
 519         disabled $opt && return 0
 520     done
 521     return 1
 522 }
 523
 524 set_default(){
 525     for opt; do
 526         eval : \${$opt:=\$${opt}_default}
 527     done
 528 }
 529
 530 is_in(){
 531     value=$1
 532     shift
 533     for var in $*; do
 534         [ $var = $value ] && return 0
 535     done
 536     return 1
 537 }
 538
 539 check_deps(){
 540     for cfg; do
 541         cfg="${cfg#!}"
 542         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 543         disabled ${cfg}_checking && continue
 544         enable ${cfg}_checking
 545
 546         eval dep_all="\$${cfg}_deps"
 547         eval dep_any="\$${cfg}_deps_any"
 548         eval dep_sel="\$${cfg}_select"
 549         eval dep_sgs="\$${cfg}_suggest"
 550         eval dep_ifa="\$${cfg}_if"
 551         eval dep_ifn="\$${cfg}_if_any"
 552
 553         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 554         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 555         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 556
 557         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 558         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 559         enabled_all  $dep_all || disable $cfg
 560         enabled_any  $dep_any || disable $cfg
 561         disabled_any $dep_sel && disable $cfg
 562
 563         if enabled $cfg; then
 564             eval dep_extralibs="\$${cfg}_extralibs"
 565             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 566             enable_deep $dep_sel
 567             enable_deep_weak $dep_sgs
 568         fi
 569
 570         disable ${cfg}_checking
 571     done
 572 }
 573
 574 print_config_h(){
 575     enabled $1 && v=1 || v=0
 576     echo "#define $2 $v"
 577 }
 578
 579 print_config_mak(){
 580     enabled $1 && v= || v=!
 581     echo "$v$2=yes"
 582 }
 583
 584 print_config_asm(){
 585     enabled $1 && v=1 || v=0
 586     echo "%define $2 $v"
 587 }
 588
 589 print_config(){
 590     pfx=$1
 591     files=$2
 592     shift 2
 593     for cfg; do
 594         ucname="$(toupper $cfg)"
 595         for f in $files; do
 596             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 597         done
 598     done
 599 }
 600
 601 print_enabled(){
 602     test "$1" = -n && end=" " && shift || end="\n"
 603     suf=$1
 604     shift
 605     for v; do
 606         enabled $v && printf "%s$end" ${v%$suf};
 607     done
 608 }
 609
 610 append(){
 611     var=$1
 612     shift
 613     eval "$var=\"\$$var $*\""
 614 }
 615
 616 prepend(){
 617     var=$1
 618     shift
 619     eval "$var=\"$* \$$var\""
 620 }
 621
 622 add_cppflags(){
 623     append CPPFLAGS $($filter_cppflags "$@")
 624 }
 625
 626 add_cflags(){
 627     append CFLAGS $($filter_cflags "$@")
 628 }
 629
 630 add_cxxflags(){
 631     append CXXFLAGS $($filter_cflags "$@")
 632 }
 633
 634 add_asflags(){
 635     append ASFLAGS $($filter_asflags "$@")
 636 }
 637
 638 add_ldflags(){
 639     append LDFLAGS "$@"
 640 }
 641
 642 add_extralibs(){
 643     prepend extralibs "$@"
 644 }
 645
 646 check_cmd(){
 647     log "$@"
 648     "$@" >> $logfile 2>&1
 649 }
 650
 651 check_cc(){
 652     log check_cc "$@"
 653     cat > $TMPC
 654     log_file $TMPC
 655     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 656 }
 657
 658 check_cxx(){
 659     log check_cxx "$@"
 660     cat > $TMPCPP
 661     log_file $TMPCPP
 662     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
 663 }
 664
 665 check_cpp(){
 666     log check_cpp "$@"
 667     cat > $TMPC
 668     log_file $TMPC
 669     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 670 }
 671
 672 check_as(){
 673     log check_as "$@"
 674     cat > $TMPC
 675     log_file $TMPC
 676     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 677 }
 678
 679 check_asm(){
 680     log check_asm "$@"
 681     name="$1"
 682     code="$2"
 683     shift 2
 684     disable $name
 685     check_as "$@" <<EOF && enable $name
 686 void foo(void){ __asm__ volatile($code); }
 687 EOF
 688 }
 689
 690 check_yasm(){
 691     log check_yasm "$@"
 692     echo "$1" > $TMPS
 693     log_file $TMPS
 694     shift 1
 695     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 696 }
 697
 698 check_ld(){
 699     log check_ld "$@"
 700     type=$1
 701     shift 1
 702     flags=''
 703     libs=''
 704     for f; do
 705         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 706     done
 707     check_$type $($filter_cflags $flags) || return
 708     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
 709 }
 710
 711 check_cppflags(){
 712     log check_cppflags "$@"
 713     set -- $($filter_cppflags "$@")
 714     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 715 int x;
 716 EOF
 717 }
 718
 719 check_cflags(){
 720     log check_cflags "$@"
 721     set -- $($filter_cflags "$@")
 722     check_cc "$@" <<EOF && append CFLAGS "$@"
 723 int x;
 724 EOF
 725 }
 726
 727 check_cxxflags(){
 728     log check_cxxflags "$@"
 729     set -- $($filter_cflags "$@")
 730     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 731 int x;
 732 EOF
 733 }
 734
 735 test_ldflags(){
 736     log test_ldflags "$@"
 737     check_ld "cc" "$@" <<EOF
 738 int main(void){ return 0; }
 739 EOF
 740 }
 741
 742 check_ldflags(){
 743     log check_ldflags "$@"
 744     test_ldflags "$@" && add_ldflags "$@"
 745 }
 746
 747 check_header(){
 748     log check_header "$@"
 749     header=$1
 750     shift
 751     disable_safe $header
 752     check_cpp "$@" <<EOF && enable_safe $header
 753 #include <$header>
 754 int x;
 755 EOF
 756 }
 757
 758 check_func(){
 759     log check_func "$@"
 760     func=$1
 761     shift
 762     disable $func
 763     check_ld "cc" "$@" <<EOF && enable $func
 764 extern int $func();
 765 int main(void){ $func(); }
 766 EOF
 767 }
 768
 769 check_mathfunc(){
 770     log check_mathfunc "$@"
 771     func=$1
 772     shift
 773     disable $func
 774     check_ld "cc" "$@" <<EOF && enable $func
 775 #include <math.h>
 776 float foo(float f) { return $func(f); }
 777 int main(void){ return (int) foo; }
 778 EOF
 779 }
 780
 781 check_func_headers(){
 782     log check_func_headers "$@"
 783     headers=$1
 784     funcs=$2
 785     shift 2
 786     {
 787         for hdr in $headers; do
 788             echo "#include <$hdr>"
 789         done
 790         for func in $funcs; do
 791             echo "long check_$func(void) { return (long) $func; }"
 792         done
 793         echo "int main(void) { return 0; }"
 794     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 795 }
 796
 797 check_class_headers_cpp(){
 798     log check_class_headers_cpp "$@"
 799     headers=$1
 800     classes=$2
 801     shift 2
 802     {
 803         for hdr in $headers; do
 804             echo "#include <$hdr>"
 805         done
 806         echo "int main(void) { "
 807         i=1
 808         for class in $classes; do
 809             echo "$class obj$i;"
 810             i=$(expr $i + 1)
 811         done
 812         echo "return 0; }"
 813     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 814 }
 815
 816 check_cpp_condition(){
 817     log check_cpp_condition "$@"
 818     header=$1
 819     condition=$2
 820     shift 2
 821     check_cpp $($filter_cppflags "$@") <<EOF
 822 #include <$header>
 823 #if !($condition)
 824 #error "unsatisfied condition: $condition"
 825 #endif
 826 EOF
 827 }
 828
 829 check_lib(){
 830     log check_lib "$@"
 831     header="$1"
 832     func="$2"
 833     shift 2
 834     check_header $header && check_func $func "$@" && add_extralibs "$@"
 835 }
 836
 837 check_lib2(){
 838     log check_lib2 "$@"
 839     headers="$1"
 840     funcs="$2"
 841     shift 2
 842     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 843 }
 844
 845 check_lib_cpp(){
 846     log check_lib_cpp "$@"
 847     headers="$1"
 848     classes="$2"
 849     shift 2
 850     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 851 }
 852
 853 check_pkg_config(){
 854     log check_pkg_config "$@"
 855     pkg="$1"
 856     headers="$2"
 857     funcs="$3"
 858     shift 3
 859     $pkg_config --exists $pkg 2>/dev/null || return
 860     pkg_cflags=$($pkg_config --cflags $pkg)
 861     pkg_libs=$($pkg_config --libs $pkg)
 862     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 863         set_safe ${pkg}_cflags $pkg_cflags   &&
 864         set_safe ${pkg}_libs   $pkg_libs
 865 }
 866
 867 check_exec(){
 868     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 869 }
 870
 871 check_exec_crash(){
 872     code=$(cat)
 873
 874     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 875     # are safe but may not be available everywhere.  Thus we use
 876     # raise(SIGTERM) instead.  The check is run in a subshell so we
 877     # can redirect the "Terminated" message from the shell.  SIGBUS
 878     # is not defined by standard C so it is used conditionally.
 879
 880     (check_exec "$@") >> $logfile 2>&1 <<EOF
 881 #include <signal.h>
 882 static void sighandler(int sig){
 883     raise(SIGTERM);
 884 }
 885 int func(void){
 886     $code
 887 }
 888 int (*func_ptr)(void) = func;
 889 int main(void){
 890     signal(SIGILL, sighandler);
 891     signal(SIGFPE, sighandler);
 892     signal(SIGSEGV, sighandler);
 893 #ifdef SIGBUS
 894     signal(SIGBUS, sighandler);
 895 #endif
 896     return func_ptr();
 897 }
 898 EOF
 899 }
 900
 901 check_type(){
 902     log check_type "$@"
 903     headers=$1
 904     type=$2
 905     shift 2
 906     disable_safe "$type"
 907     incs=""
 908     for hdr in $headers; do
 909         incs="$incs
 910 #include <$hdr>"
 911     done
 912     check_cc "$@" <<EOF && enable_safe "$type"
 913 $incs
 914 $type v;
 915 EOF
 916 }
 917
 918 check_struct(){
 919     log check_type "$@"
 920     headers=$1
 921     struct=$2
 922     member=$3
 923     shift 3
 924     disable_safe "${struct}_${member}"
 925     incs=""
 926     for hdr in $headers; do
 927         incs="$incs
 928 #include <$hdr>"
 929     done
 930     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
 931 $incs
 932 const void *p = &(($struct *)0)->$member;
 933 EOF
 934 }
 935
 936 require(){
 937     name="$1"
 938     header="$2"
 939     func="$3"
 940     shift 3
 941     check_lib $header $func "$@" || die "ERROR: $name not found"
 942 }
 943
 944 require2(){
 945     name="$1"
 946     headers="$2"
 947     func="$3"
 948     shift 3
 949     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 950 }
 951
 952 require_cpp(){
 953     name="$1"
 954     headers="$2"
 955     classes="$3"
 956     shift 3
 957     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
 958 }
 959
 960 require_pkg_config(){
 961     pkg="$1"
 962     check_pkg_config "$@" || die "ERROR: $pkg not found"
 963     add_cflags    $(get_safe ${pkg}_cflags)
 964     add_extralibs $(get_safe ${pkg}_libs)
 965 }
 966
 967 check_host_cc(){
 968     log check_host_cc "$@"
 969     cat > $TMPC
 970     log_file $TMPC
 971     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
 972 }
 973
 974 check_host_cflags(){
 975     log check_host_cflags "$@"
 976     check_host_cc "$@" <<EOF && append host_cflags "$@"
 977 int x;
 978 EOF
 979 }
 980
 981 apply(){
 982     file=$1
 983     shift
 984     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 985 }
 986
 987 cp_if_changed(){
 988     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
 989     mkdir -p "$(dirname $2)"
 990     cp -f "$1" "$2"
 991 }
 992
 993 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 994 # system-dependent things.
 995
 996 COMPONENT_LIST="
 997     bsfs
 998     decoders
 999     demuxers
1000     encoders
1001     filters
1002     hwaccels
1003     indevs
1004     muxers
1005     outdevs
1006     parsers
1007     protocols
1008 "
1009
1010 PROGRAM_LIST="
1011     ffplay
1012     ffprobe
1013     ffserver
1014     ffmpeg
1015 "
1016
1017 CONFIG_LIST="
1018     $COMPONENT_LIST
1019     $PROGRAM_LIST
1020     ac3dsp
1021     avcodec
1022     avdevice
1023     avfilter
1024     avformat
1025     avresample
1026     avisynth
1027     bzlib
1028     crystalhd
1029     dct
1030     doc
1031     dwt
1032     dxva2
1033     fastdiv
1034     fft
1035     fontconfig
1036     frei0r
1037     gnutls
1038     gpl
1039     gray
1040     hardcoded_tables
1041     libaacplus
1042     libass
1043     libbluray
1044     libcdio
1045     libcelt
1046     libdc1394
1047     libfaac
1048     libfreetype
1049     libgsm
1050     libmodplug
1051     libmp3lame
1052     libnut
1053     libopencore_amrnb
1054     libopencore_amrwb
1055     libopencv
1056     libopenjpeg
1057     libpulse
1058     librtmp
1059     libschroedinger
1060     libspeex
1061     libstagefright_h264
1062     libtheora
1063     libutvideo
1064     libv4l2
1065     libvo_aacenc
1066     libvo_amrwbenc
1067     libvorbis
1068     libvpx
1069     libx264
1070     libxavs
1071     libxvid
1072     lsp
1073     mdct
1074     memalign_hack
1075     mpegaudiodsp
1076     network
1077     nonfree
1078     openal
1079     openssl
1080     pic
1081     postproc
1082     rdft
1083     rtpdec
1084     runtime_cpudetect
1085     safe_bitstream_reader
1086     shared
1087     sinewin
1088     small
1089     sram
1090     static
1091     swresample
1092     swscale
1093     swscale_alpha
1094     thumb
1095     vaapi
1096     vda
1097     vdpau
1098     version3
1099     xmm_clobber_test
1100     x11grab
1101     zlib
1102 "
1103
1104 THREADS_LIST='
1105     pthreads
1106     w32threads
1107     os2threads
1108 '
1109
1110 ARCH_LIST='
1111     alpha
1112     arm
1113     avr32
1114     avr32_ap
1115     avr32_uc
1116     bfin
1117     ia64
1118     m68k
1119     mips
1120     mips64
1121     parisc
1122     ppc
1123     ppc64
1124     s390
1125     sh4
1126     sparc
1127     sparc64
1128     tomi
1129     x86
1130     x86_32
1131     x86_64
1132 '
1133
1134 ARCH_EXT_LIST='
1135     altivec
1136     amd3dnow
1137     amd3dnowext
1138     armv5te
1139     armv6
1140     armv6t2
1141     armvfp
1142     avx
1143     mmi
1144     mmx
1145     mmx2
1146     neon
1147     ppc4xx
1148     sse
1149     ssse3
1150     vfpv3
1151     vis
1152 '
1153
1154 HAVE_LIST_PUB='
1155     bigendian
1156     fast_unaligned
1157 '
1158
1159 HAVE_LIST="
1160     $ARCH_EXT_LIST
1161     $HAVE_LIST_PUB
1162     $THREADS_LIST
1163     aligned_stack
1164     alsa_asoundlib_h
1165     altivec_h
1166     arpa_inet_h
1167     asm_mod_y
1168     asm_types_h
1169     attribute_may_alias
1170     attribute_packed
1171     cbrtf
1172     clock_gettime
1173     closesocket
1174     cmov
1175     dcbzl
1176     dev_bktr_ioctl_bt848_h
1177     dev_bktr_ioctl_meteor_h
1178     dev_ic_bt8xx_h
1179     dev_video_bktr_ioctl_bt848_h
1180     dev_video_meteor_ioctl_meteor_h
1181     dlfcn_h
1182     dlopen
1183     dos_paths
1184     ebp_available
1185     ebx_available
1186     exp2
1187     exp2f
1188     fast_64bit
1189     fast_clz
1190     fast_cmov
1191     fcntl
1192     fork
1193     getaddrinfo
1194     gethrtime
1195     GetProcessAffinityMask
1196     GetProcessMemoryInfo
1197     GetProcessTimes
1198     getrusage
1199     glob
1200     gnu_as
1201     ibm_asm
1202     inet_aton
1203     inline_asm
1204     isatty
1205     kbhit
1206     ldbrx
1207     libdc1394_1
1208     libdc1394_2
1209     llrint
1210     llrintf
1211     local_aligned_16
1212     local_aligned_8
1213     localtime_r
1214     log2
1215     log2f
1216     loongson
1217     lrint
1218     lrintf
1219     lzo1x_999_compress
1220     machine_ioctl_bt848_h
1221     machine_ioctl_meteor_h
1222     makeinfo
1223     malloc_h
1224     MapViewOfFile
1225     memalign
1226     mkstemp
1227     mmap
1228     netinet_sctp_h
1229     PeekNamedPipe
1230     poll_h
1231     posix_memalign
1232     pthread_cancel
1233     round
1234     roundf
1235     sched_getaffinity
1236     sdl
1237     sdl_video_size
1238     setmode
1239     setrlimit
1240     sndio_h
1241     socklen_t
1242     soundcard_h
1243     strerror_r
1244     strptime
1245     struct_addrinfo
1246     struct_ipv6_mreq
1247     struct_rusage_ru_maxrss
1248     struct_sockaddr_in6
1249     struct_sockaddr_sa_len
1250     struct_sockaddr_storage
1251     struct_v4l2_frmivalenum_discrete
1252     symver
1253     symver_asm_label
1254     symver_gnu_asm
1255     sysconf
1256     sysctl
1257     sys_mman_h
1258     sys_param_h
1259     sys_resource_h
1260     sys_select_h
1261     sys_soundcard_h
1262     sys_videoio_h
1263     termios_h
1264     threads
1265     trunc
1266     truncf
1267     vfp_args
1268     VirtualAlloc
1269     winsock2_h
1270     xform_asm
1271     xmm_clobbers
1272     yasm
1273 "
1274
1275 # options emitted with CONFIG_ prefix but not available on command line
1276 CONFIG_EXTRA="
1277     aandct
1278     avutil
1279     golomb
1280     gplv3
1281     h264chroma
1282     h264dsp
1283     h264pred
1284     h264qpel
1285     huffman
1286     lgplv3
1287     lpc
1288 "
1289
1290 CMDLINE_SELECT="
1291     $ARCH_EXT_LIST
1292     $CONFIG_LIST
1293     $THREADS_LIST
1294     asm
1295     coverage
1296     cross_compile
1297     debug
1298     extra_warnings
1299     logging
1300     optimizations
1301     stripping
1302     symver
1303     yasm
1304 "
1305
1306 PATHS_LIST='
1307     bindir
1308     datadir
1309     incdir
1310     libdir
1311     mandir
1312     prefix
1313     shlibdir
1314 '
1315
1316 CMDLINE_SET="
1317     $PATHS_LIST
1318     ar
1319     arch
1320     as
1321     assert_level
1322     build_suffix
1323     cc
1324     cpu
1325     cross_prefix
1326     cxx
1327     dep_cc
1328     extra_version
1329     host_cc
1330     host_cflags
1331     host_ldflags
1332     host_libs
1333     host_os
1334     install
1335     ld
1336     logfile
1337     malloc_prefix
1338     nm
1339     optflags
1340     pkg_config
1341     postproc_version
1342     progs_suffix
1343     random_seed
1344     samples
1345     strip
1346     sysinclude
1347     sysroot
1348     target_exec
1349     target_os
1350     target_path
1351     valgrind
1352     yasmexe
1353 "
1354
1355 CMDLINE_APPEND="
1356     extra_cflags
1357     extra_cxxflags
1358 "
1359
1360 # code dependency declarations
1361
1362 # architecture extensions
1363
1364 armv5te_deps="arm"
1365 armv6_deps="arm"
1366 armv6t2_deps="arm"
1367 armvfp_deps="arm"
1368 neon_deps="arm"
1369 vfpv3_deps="armvfp"
1370
1371 mmi_deps="mips"
1372
1373 altivec_deps="ppc"
1374 ppc4xx_deps="ppc"
1375
1376 vis_deps="sparc"
1377
1378 x86_64_suggest="cmov fast_cmov"
1379 amd3dnow_deps="mmx"
1380 amd3dnowext_deps="amd3dnow"
1381 mmx_deps="x86"
1382 mmx2_deps="mmx"
1383 sse_deps="mmx"
1384 ssse3_deps="sse"
1385 avx_deps="ssse3"
1386
1387 aligned_stack_if_any="ppc x86"
1388 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1389 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1390 fast_unaligned_if_any="armv6 ppc x86"
1391
1392 inline_asm_deps="!tms470"
1393 need_memalign="altivec neon sse"
1394
1395 symver_if_any="symver_asm_label symver_gnu_asm"
1396
1397 # subsystems
1398 dct_select="rdft"
1399 mdct_select="fft"
1400 rdft_select="fft"
1401 mpegaudiodsp_select="dct"
1402
1403 # decoders / encoders / hardware accelerators
1404 aac_decoder_select="mdct sinewin"
1405 aac_encoder_select="mdct sinewin"
1406 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1407 ac3_decoder_select="mdct ac3dsp ac3_parser"
1408 ac3_encoder_select="mdct ac3dsp"
1409 ac3_fixed_encoder_select="mdct ac3dsp"
1410 alac_encoder_select="lpc"
1411 amrnb_decoder_select="lsp"
1412 amrwb_decoder_select="lsp"
1413 atrac1_decoder_select="mdct sinewin"
1414 atrac3_decoder_select="mdct"
1415 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1416 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1417 cavs_decoder_select="golomb"
1418 cook_decoder_select="mdct sinewin"
1419 cscd_decoder_suggest="zlib"
1420 dca_decoder_select="mdct"
1421 dnxhd_encoder_select="aandct"
1422 dxa_decoder_select="zlib"
1423 eac3_decoder_select="ac3_decoder"
1424 eac3_encoder_select="mdct ac3dsp"
1425 eamad_decoder_select="aandct"
1426 eatgq_decoder_select="aandct"
1427 eatqi_decoder_select="aandct"
1428 ffv1_decoder_select="golomb"
1429 flac_decoder_select="golomb"
1430 flac_encoder_select="golomb lpc"
1431 flashsv_decoder_select="zlib"
1432 flashsv_encoder_select="zlib"
1433 flashsv2_encoder_select="zlib"
1434 flashsv2_decoder_select="zlib"
1435 flv_decoder_select="h263_decoder"
1436 flv_encoder_select="h263_encoder"
1437 fraps_decoder_select="huffman"
1438 h261_encoder_select="aandct"
1439 h263_decoder_select="h263_parser"
1440 h263_encoder_select="aandct"
1441 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1442 h263i_decoder_select="h263_decoder"
1443 h263p_encoder_select="h263_encoder"
1444 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1445 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1446 h264_dxva2_hwaccel_deps="dxva2api_h"
1447 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1448 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1449 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1450 h264_vda_hwaccel_select="vda h264_decoder"
1451 h264_vdpau_decoder_select="vdpau h264_decoder"
1452 imc_decoder_select="fft mdct sinewin"
1453 jpegls_decoder_select="golomb"
1454 jpegls_encoder_select="golomb"
1455 ljpeg_encoder_select="aandct"
1456 loco_decoder_select="golomb"
1457 mjpeg_encoder_select="aandct"
1458 mlp_decoder_select="mlp_parser"
1459 mp1_decoder_select="mpegaudiodsp"
1460 mp1float_decoder_select="mpegaudiodsp"
1461 mp2_decoder_select="mpegaudiodsp"
1462 mp2float_decoder_select="mpegaudiodsp"
1463 mp3_decoder_select="mpegaudiodsp"
1464 mp3adu_decoder_select="mpegaudiodsp"
1465 mp3adufloat_decoder_select="mpegaudiodsp"
1466 mp3float_decoder_select="mpegaudiodsp"
1467 mp3on4_decoder_select="mpegaudiodsp"
1468 mp3on4float_decoder_select="mpegaudiodsp"
1469 mpc7_decoder_select="mpegaudiodsp"
1470 mpc8_decoder_select="mpegaudiodsp"
1471 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1472 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1473 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1474 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1475 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1476 mpeg1video_encoder_select="aandct"
1477 mpeg2_crystalhd_decoder_select="crystalhd"
1478 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1479 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1480 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1481 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1482 mpeg2video_encoder_select="aandct"
1483 mpeg4_crystalhd_decoder_select="crystalhd"
1484 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1485 mpeg4_encoder_select="h263_encoder"
1486 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1487 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1488 msmpeg4_crystalhd_decoder_select="crystalhd"
1489 msmpeg4v1_decoder_select="h263_decoder"
1490 msmpeg4v1_encoder_select="h263_encoder"
1491 msmpeg4v2_decoder_select="h263_decoder"
1492 msmpeg4v2_encoder_select="h263_encoder"
1493 msmpeg4v3_decoder_select="h263_decoder"
1494 msmpeg4v3_encoder_select="h263_encoder"
1495 nellymoser_decoder_select="mdct sinewin"
1496 nellymoser_encoder_select="mdct sinewin"
1497 png_decoder_select="zlib"
1498 png_encoder_select="zlib"
1499 qcelp_decoder_select="lsp"
1500 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1501 ra_144_encoder_select="lpc"
1502 ralf_decoder_select="golomb"
1503 rv10_decoder_select="h263_decoder"
1504 rv10_encoder_select="h263_encoder"
1505 rv20_decoder_select="h263_decoder"
1506 rv20_encoder_select="h263_encoder"
1507 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1508 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1509 shorten_decoder_select="golomb"
1510 sipr_decoder_select="lsp"
1511 snow_decoder_select="dwt"
1512 snow_encoder_select="aandct dwt"
1513 sonic_decoder_select="golomb"
1514 sonic_encoder_select="golomb"
1515 sonic_ls_encoder_select="golomb"
1516 svq1_encoder_select="aandct"
1517 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1518 svq3_decoder_suggest="zlib"
1519 theora_decoder_select="vp3_decoder"
1520 tiff_decoder_suggest="zlib"
1521 tiff_encoder_suggest="zlib"
1522 truehd_decoder_select="mlp_decoder"
1523 tscc_decoder_select="zlib"
1524 twinvq_decoder_select="mdct lsp sinewin"
1525 vc1_crystalhd_decoder_select="crystalhd"
1526 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1527 vc1_dxva2_hwaccel_deps="dxva2api_h"
1528 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1529 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1530 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1531 vc1image_decoder_select="vc1_decoder"
1532 vorbis_decoder_select="mdct"
1533 vorbis_encoder_select="mdct"
1534 vp6_decoder_select="huffman"
1535 vp6a_decoder_select="vp6_decoder"
1536 vp6f_decoder_select="vp6_decoder"
1537 vp8_decoder_select="h264pred h264qpel"
1538 wmapro_decoder_select="mdct sinewin"
1539 wmav1_decoder_select="mdct sinewin"
1540 wmav1_encoder_select="mdct sinewin"
1541 wmav2_decoder_select="mdct sinewin"
1542 wmav2_encoder_select="mdct sinewin"
1543 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1544 wmv1_decoder_select="h263_decoder"
1545 wmv1_encoder_select="h263_encoder"
1546 wmv2_decoder_select="h263_decoder"
1547 wmv2_encoder_select="h263_encoder"
1548 wmv3_decoder_select="vc1_decoder"
1549 wmv3_crystalhd_decoder_select="crystalhd"
1550 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1551 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1552 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1553 wmv3image_decoder_select="wmv3_decoder"
1554 zerocodec_decoder_select="zlib"
1555 zlib_decoder_select="zlib"
1556 zlib_encoder_select="zlib"
1557 zmbv_decoder_select="zlib"
1558 zmbv_encoder_select="zlib"
1559
1560 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1561 vaapi_deps="va_va_h"
1562 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1563 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1564
1565 # parsers
1566 h264_parser_select="golomb h264dsp h264pred"
1567
1568 # external libraries
1569 libaacplus_encoder_deps="libaacplus"
1570 libcelt_decoder_deps="libcelt"
1571 libfaac_encoder_deps="libfaac"
1572 libgsm_decoder_deps="libgsm"
1573 libgsm_encoder_deps="libgsm"
1574 libgsm_ms_decoder_deps="libgsm"
1575 libgsm_ms_encoder_deps="libgsm"
1576 libmodplug_demuxer_deps="libmodplug"
1577 libmp3lame_encoder_deps="libmp3lame"
1578 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1579 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1580 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1581 libopenjpeg_decoder_deps="libopenjpeg"
1582 libopenjpeg_encoder_deps="libopenjpeg"
1583 libschroedinger_decoder_deps="libschroedinger"
1584 libschroedinger_encoder_deps="libschroedinger"
1585 libspeex_decoder_deps="libspeex"
1586 libspeex_encoder_deps="libspeex"
1587 libstagefright_h264_decoder_deps="libstagefright_h264"
1588 libtheora_encoder_deps="libtheora"
1589 libvo_aacenc_encoder_deps="libvo_aacenc"
1590 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1591 libvorbis_decoder_deps="libvorbis"
1592 libvorbis_encoder_deps="libvorbis"
1593 libvpx_decoder_deps="libvpx"
1594 libvpx_encoder_deps="libvpx"
1595 libx264_encoder_deps="libx264"
1596 libx264rgb_encoder_deps="libx264"
1597 libxavs_encoder_deps="libxavs"
1598 libxvid_encoder_deps="libxvid"
1599 libutvideo_decoder_deps="libutvideo"
1600 libutvideo_encoder_deps="libutvideo"
1601
1602 # demuxers / muxers
1603 ac3_demuxer_select="ac3_parser"
1604 asf_stream_muxer_select="asf_muxer"
1605 avisynth_demuxer_deps="avisynth"
1606 dirac_demuxer_select="dirac_parser"
1607 eac3_demuxer_select="ac3_parser"
1608 flac_demuxer_select="flac_parser"
1609 ipod_muxer_select="mov_muxer"
1610 libnut_demuxer_deps="libnut"
1611 libnut_muxer_deps="libnut"
1612 matroska_audio_muxer_select="matroska_muxer"
1613 matroska_demuxer_suggest="zlib bzlib"
1614 mov_demuxer_suggest="zlib"
1615 mp3_demuxer_select="mpegaudio_parser"
1616 mp4_muxer_select="mov_muxer"
1617 mpegtsraw_demuxer_select="mpegts_demuxer"
1618 mxf_d10_muxer_select="mxf_muxer"
1619 ogg_demuxer_select="golomb"
1620 psp_muxer_select="mov_muxer"
1621 rtp_demuxer_select="sdp_demuxer"
1622 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1623 rtsp_demuxer_select="http_protocol rtpdec"
1624 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1625 sap_demuxer_select="sdp_demuxer"
1626 sap_muxer_select="rtp_muxer rtp_protocol"
1627 sdp_demuxer_select="rtpdec"
1628 spdif_muxer_select="aac_parser"
1629 tg2_muxer_select="mov_muxer"
1630 tgp_muxer_select="mov_muxer"
1631 w64_demuxer_deps="wav_demuxer"
1632
1633 # indevs / outdevs
1634 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1635 alsa_outdev_deps="alsa_asoundlib_h"
1636 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1637 dshow_indev_deps="IBaseFilter"
1638 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1639 dv1394_indev_deps="dv1394 dv_demuxer"
1640 fbdev_indev_deps="linux_fb_h"
1641 jack_indev_deps="jack_jack_h sem_timedwait"
1642 lavfi_indev_deps="avfilter"
1643 libcdio_indev_deps="libcdio"
1644 libdc1394_indev_deps="libdc1394"
1645 libv4l2_indev_deps="libv4l2"
1646 openal_indev_deps="openal"
1647 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1648 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1649 pulse_indev_deps="libpulse"
1650 sdl_outdev_deps="sdl"
1651 sndio_indev_deps="sndio_h"
1652 sndio_outdev_deps="sndio_h"
1653 v4l_indev_deps="linux_videodev_h"
1654 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1655 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1656 vfwcap_indev_extralibs="-lavicap32"
1657 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1658
1659 # protocols
1660 bluray_protocol_deps="libbluray"
1661 gopher_protocol_deps="network"
1662 httpproxy_protocol_deps="network"
1663 httpproxy_protocol_select="tcp_protocol"
1664 http_protocol_deps="network"
1665 http_protocol_select="tcp_protocol"
1666 https_protocol_select="tls_protocol"
1667 librtmp_protocol_deps="librtmp"
1668 librtmpe_protocol_deps="librtmp"
1669 librtmps_protocol_deps="librtmp"
1670 librtmpt_protocol_deps="librtmp"
1671 librtmpte_protocol_deps="librtmp"
1672 mmsh_protocol_select="http_protocol"
1673 mmst_protocol_deps="network"
1674 rtmp_protocol_deps="!librtmp_protocol"
1675 rtmp_protocol_select="tcp_protocol"
1676 rtp_protocol_select="udp_protocol"
1677 sctp_protocol_deps="network netinet_sctp_h"
1678 tcp_protocol_deps="network"
1679 tls_protocol_deps_any="openssl gnutls"
1680 tls_protocol_select="tcp_protocol"
1681 udp_protocol_deps="network"
1682
1683 # filters
1684 aconvert_filter_deps="swresample"
1685 amovie_filter_deps="avcodec avformat"
1686 aresample_filter_deps="swresample"
1687 ass_filter_deps="libass"
1688 asyncts_filter_deps="avresample"
1689 blackframe_filter_deps="gpl"
1690 boxblur_filter_deps="gpl"
1691 colormatrix_filter_deps="gpl"
1692 cropdetect_filter_deps="gpl"
1693 delogo_filter_deps="gpl"
1694 deshake_filter_deps="avcodec"
1695 drawtext_filter_deps="libfreetype"
1696 frei0r_filter_deps="frei0r dlopen"
1697 frei0r_filter_extralibs='$ldl'
1698 frei0r_src_filter_deps="frei0r dlopen"
1699 frei0r_src_filter_extralibs='$ldl'
1700 hqdn3d_filter_deps="gpl"
1701 movie_filter_deps="avcodec avformat"
1702 mp_filter_deps="gpl avcodec swscale postproc"
1703 mptestsrc_filter_deps="gpl"
1704 negate_filter_deps="lut_filter"
1705 resample_filter_deps="avresample"
1706 ocv_filter_deps="libopencv"
1707 pan_filter_deps="swresample"
1708 removelogo_filter_deps="avcodec avformat swscale"
1709 scale_filter_deps="swscale"
1710 super2xsai_filter_deps="gpl"
1711 tinterlace_filter_deps="gpl"
1712 yadif_filter_deps="gpl"
1713
1714 # libraries
1715 avdevice_deps="avcodec avformat"
1716 avfilter_deps="swscale"
1717 avformat_deps="avcodec"
1718 postproc_deps="gpl"
1719
1720 # programs
1721 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1722 ffmpeg_select="buffersink_filter format_filter aformat_filter
1723                setpts_filter null_filter anull_filter"
1724 ffplay_deps="avcodec avformat swscale swresample sdl"
1725 ffplay_select="buffersink_filter rdft"
1726 ffprobe_deps="avcodec avformat"
1727 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1728 ffserver_extralibs='$ldl'
1729
1730 doc_deps="texi2html"
1731
1732 # tests
1733
1734 test_deps(){
1735     suf1=$1
1736     suf2=$2
1737     shift 2
1738     for v; do
1739         dep=${v%=*}
1740         tests=${v#*=}
1741         for name in ${tests}; do
1742             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1743         done
1744     done
1745 }
1746
1747 mxf_d10_test_deps="avfilter"
1748 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1749
1750 test_deps _muxer _demuxer                                               \
1751     aiff                                                                \
1752     pcm_alaw=alaw                                                       \
1753     asf                                                                 \
1754     au                                                                  \
1755     avi                                                                 \
1756     dv=dv_fmt                                                           \
1757     ffm                                                                 \
1758     flv=flv_fmt                                                         \
1759     gxf                                                                 \
1760     matroska=mkv                                                        \
1761     mmf                                                                 \
1762     mov="mov ismv"                                                      \
1763     pcm_mulaw=mulaw                                                     \
1764     mxf="mxf mxf_d10"                                                   \
1765     nut                                                                 \
1766     ogg="ogg ogg_vp3"                                                   \
1767     rawvideo=pixfmt                                                     \
1768     rm                                                                  \
1769     swf                                                                 \
1770     mpegts=ts                                                           \
1771     voc                                                                 \
1772     wav                                                                 \
1773     yuv4mpegpipe=yuv4mpeg                                               \
1774
1775 colormatrix1_test_deps="colormatrix_filter"
1776 colormatrix2_test_deps="colormatrix_filter"
1777 flashsv2_test_deps="zlib"
1778 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1779 mpng_test_deps="zlib"
1780 pp_test_deps="mp_filter"
1781 pp2_test_deps="mp_filter"
1782 pp3_test_deps="mp_filter"
1783 pp4_test_deps="mp_filter"
1784 pp5_test_deps="mp_filter"
1785 pp6_test_deps="mp_filter"
1786 zlib_test_deps="zlib"
1787 zmbv_test_deps="zlib"
1788
1789 # default parameters
1790
1791 logfile="config.log"
1792
1793 # installation paths
1794 prefix_default="/usr/local"
1795 bindir_default='${prefix}/bin'
1796 datadir_default='${prefix}/share/ffmpeg'
1797 incdir_default='${prefix}/include'
1798 libdir_default='${prefix}/lib'
1799 mandir_default='${prefix}/share/man'
1800 shlibdir_default="$libdir_default"
1801 postproc_version_default="current"
1802
1803 # toolchain
1804 ar_default="ar"
1805 cc_default="gcc"
1806 cxx_default="g++"
1807 cc_version=\"unknown\"
1808 host_cc_default="gcc"
1809 install="install"
1810 ln_s="ln -sf"
1811 nm_default="nm"
1812 objformat="elf"
1813 pkg_config_default=pkg-config
1814 ranlib="ranlib"
1815 strip_default="strip"
1816 yasmexe_default="yasm"
1817
1818 nm_opts='-g'
1819 nogas=":"
1820
1821 # machine
1822 arch_default=$(uname -m)
1823 cpu="generic"
1824
1825 # OS
1826 target_os_default=$(tolower $(uname -s))
1827 host_os=$target_os_default
1828
1829 # alternative libpostproc version
1830 ALT_PP_VER_MAJOR=51
1831 ALT_PP_VER_MINOR=2
1832 ALT_PP_VER_MICRO=101
1833 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1834
1835 # configurable options
1836 enable $PROGRAM_LIST
1837
1838 enable avcodec
1839 enable avdevice
1840 enable avfilter
1841 enable avformat
1842 enable avutil
1843 enable postproc
1844 enable stripping
1845 enable swresample
1846 enable swscale
1847
1848 enable asm
1849 enable debug
1850 enable doc
1851 enable fastdiv
1852 enable network
1853 enable optimizations
1854 enable safe_bitstream_reader
1855 enable static
1856 enable swscale_alpha
1857
1858 # build settings
1859 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1860 FFSERVERLDFLAGS=-Wl,-E
1861 LIBPREF="lib"
1862 LIBSUF=".a"
1863 FULLNAME='$(NAME)$(BUILDSUF)'
1864 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1865 SLIBPREF="lib"
1866 SLIBSUF=".so"
1867 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1868 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1869 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1870 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1871 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1872 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1873
1874 AS_O='-o $@'
1875 CC_O='-o $@'
1876 CXX_O='-o $@'
1877
1878 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1879 host_libs='-lm'
1880
1881 target_path='$(CURDIR)'
1882
1883 # since the object filename is not given with the -MM flag, the compiler
1884 # is only able to print the basename, and we must add the path ourselves
1885 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1886 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1887
1888 # find source path
1889 if test -f configure; then
1890     source_path=.
1891 else
1892     source_path=$(cd $(dirname "$0"); pwd)
1893     echo "$source_path" | grep -q '[[:blank:]]' &&
1894         die "Out of tree builds are impossible with whitespace in source path."
1895     test -e "$source_path/config.h" &&
1896         die "Out of tree builds are impossible with config.h in source dir."
1897 fi
1898
1899 for v in "$@"; do
1900     r=${v#*=}
1901     l=${v%"$r"}
1902     r=$(sh_quote "$r")
1903     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1904 done
1905
1906 find_things(){
1907     thing=$1
1908     pattern=$2
1909     file=$source_path/$3
1910     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1911 }
1912
1913 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1914 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1915 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1916 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1917 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1918 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1919 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1920 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1921 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1922 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1923 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1924
1925 ALL_COMPONENTS="
1926     $BSF_LIST
1927     $DECODER_LIST
1928     $DEMUXER_LIST
1929     $ENCODER_LIST
1930     $FILTER_LIST
1931     $HWACCEL_LIST
1932     $INDEV_LIST
1933     $MUXER_LIST
1934     $OUTDEV_LIST
1935     $PARSER_LIST
1936     $PROTOCOL_LIST
1937 "
1938
1939 find_tests(){
1940     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1941 }
1942
1943 LAVF_FATE_TESTS=$(find_tests lavf-fate)
1944 LAVF_TESTS=$(find_tests lavf)
1945 LAVFI_TESTS=$(find_tests lavfi)
1946 SEEK_TESTS=$(find_tests seek seek_)
1947
1948 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1949
1950 for n in $COMPONENT_LIST; do
1951     v=$(toupper ${n%s})_LIST
1952     eval enable \$$v
1953     eval ${n}_if_any="\$$v"
1954 done
1955
1956 enable $ARCH_EXT_LIST $ALL_TESTS
1957
1958 die_unknown(){
1959     echo "Unknown option \"$1\"."
1960     echo "See $0 --help for available options."
1961     exit 1
1962 }
1963
1964 show_list() {
1965     suffix=_$1
1966     shift
1967     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1968     exit 0
1969 }
1970
1971 rand_list(){
1972     IFS=', '
1973     set -- $*
1974     unset IFS
1975     for thing; do
1976         comp=${thing%:*}
1977         prob=${thing#$comp}
1978         prob=${prob#:}
1979         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1980         echo "prob ${prob:-0.5}"
1981         printf '%s\n' $comp
1982     done
1983 }
1984
1985 do_random(){
1986     action=$1
1987     shift
1988     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1989     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1990 }
1991
1992 for opt do
1993     optval="${opt#*=}"
1994     case "$opt" in
1995     --extra-ldflags=*) add_ldflags $optval
1996     ;;
1997     --extra-libs=*) add_extralibs $optval
1998     ;;
1999     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2000     ;;
2001     --enable-debug=*) debuglevel="$optval"
2002     ;;
2003     --disable-everything)
2004     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2005     ;;
2006     --enable-random|--disable-random)
2007     action=${opt%%-random}
2008     do_random ${action#--} $COMPONENT_LIST
2009     ;;
2010     --enable-random=*|--disable-random=*)
2011     action=${opt%%-random=*}
2012     do_random ${action#--} $optval
2013     ;;
2014     --enable-*=*|--disable-*=*)
2015     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2016     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2017     eval list=\$$(toupper $thing)_LIST
2018     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2019     $action $(filter "$name" $list)
2020     ;;
2021     --enable-?*|--disable-?*)
2022     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2023     if is_in $option $COMPONENT_LIST; then
2024         test $action = disable && action=unset
2025         eval $action \$$(toupper ${option%s})_LIST
2026     elif is_in $option $CMDLINE_SELECT; then
2027         $action $option
2028     else
2029         die_unknown $opt
2030     fi
2031     ;;
2032     --list-*)
2033         NAME="${opt#--list-}"
2034         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2035         NAME=${NAME%s}
2036         eval show_list $NAME \$$(toupper $NAME)_LIST
2037     ;;
2038     --help|-h) show_help
2039     ;;
2040     *)
2041     optname="${opt%%=*}"
2042     optname="${optname#--}"
2043     optname=$(echo "$optname" | sed 's/-/_/g')
2044     if is_in $optname $CMDLINE_SET; then
2045         eval $optname='$optval'
2046     elif is_in $optname $CMDLINE_APPEND; then
2047         append $optname "$optval"
2048     else
2049          die_unknown $opt
2050     fi
2051     ;;
2052     esac
2053 done
2054
2055 disabled logging && logfile=/dev/null
2056
2057 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2058 set >> $logfile
2059
2060 test -n "$cross_prefix" && enable cross_compile
2061
2062 if enabled cross_compile; then
2063     test -n "$arch" && test -n "$target_os" ||
2064         die "Must specify target arch and OS when cross-compiling"
2065 fi
2066
2067 set_default arch target_os postproc_version
2068
2069 # Check if we should build alternative libpostproc version instead of current
2070 if   test "$postproc_version" = $ALT_PP_VER; then
2071   LIBPOSTPROC_VERSION=$ALT_PP_VER
2072   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2073   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2074   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2075 elif test "$postproc_version" != current; then
2076   die "Invalid argument to --postproc-version. See --help output."
2077 fi
2078
2079 ar_default="${cross_prefix}${ar_default}"
2080 cc_default="${cross_prefix}${cc_default}"
2081 cxx_default="${cross_prefix}${cxx_default}"
2082 nm_default="${cross_prefix}${nm_default}"
2083 pkg_config_default="${cross_prefix}${pkg_config_default}"
2084 ranlib="${cross_prefix}${ranlib}"
2085 strip_default="${cross_prefix}${strip_default}"
2086
2087 sysinclude_default="${sysroot}/usr/include"
2088
2089 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2090 enabled cross_compile || host_cc_default=$cc
2091 set_default host_cc
2092
2093 if ! $pkg_config --version >/dev/null 2>&1; then
2094     warn "$pkg_config not found, library detection may fail."
2095     pkg_config=false
2096 fi
2097
2098 exesuf() {
2099     case $1 in
2100         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2101     esac
2102 }
2103
2104 EXESUF=$(exesuf $target_os)
2105 HOSTEXESUF=$(exesuf $host_os)
2106
2107 # set temporary file name
2108 : ${TMPDIR:=$TEMPDIR}
2109 : ${TMPDIR:=$TMP}
2110 : ${TMPDIR:=/tmp}
2111
2112 if ! check_cmd mktemp -u XXXXXX; then
2113     # simple replacement for missing mktemp
2114     # NOT SAFE FOR GENERAL USE
2115     mktemp(){
2116         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2117     }
2118 fi
2119
2120 tmpfile(){
2121     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2122         (set -C; exec > $tmp) 2>/dev/null ||
2123         die "Unable to create temporary file in $TMPDIR."
2124     append TMPFILES $tmp
2125     eval $1=$tmp
2126 }
2127
2128 trap 'rm -f -- $TMPFILES' EXIT
2129
2130 tmpfile TMPASM .asm
2131 tmpfile TMPC   .c
2132 tmpfile TMPCPP .cpp
2133 tmpfile TMPE   $EXESUF
2134 tmpfile TMPH   .h
2135 tmpfile TMPO   .o
2136 tmpfile TMPS   .S
2137 tmpfile TMPSH  .sh
2138 tmpfile TMPV   .ver
2139
2140 unset -f mktemp
2141
2142 chmod +x $TMPE
2143
2144 # make sure we can execute files in $TMPDIR
2145 cat > $TMPSH 2>> $logfile <<EOF
2146 #! /bin/sh
2147 EOF
2148 chmod +x $TMPSH >> $logfile 2>&1
2149 if ! $TMPSH >> $logfile 2>&1; then
2150     cat <<EOF
2151 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2152 variable to another directory and make sure that it is not mounted noexec.
2153 EOF
2154     die "Sanity test failed."
2155 fi
2156
2157 filter_asflags=echo
2158 filter_cflags=echo
2159 filter_cppflags=echo
2160
2161 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2162     cc_type=llvm_gcc
2163     cc_version=__VERSION__
2164     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2165     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2166     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2167     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2168     speed_cflags='-O3'
2169     size_cflags='-Os'
2170 elif $cc -v 2>&1 | grep -qi ^gcc; then
2171     cc_type=gcc
2172     cc_version=__VERSION__
2173     gcc_version=$($cc --version | head -n1)
2174     gcc_basever=$($cc -dumpversion)
2175     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2176     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2177     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2178     if ! $cc -dumpversion | grep -q '^2\.'; then
2179         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2180         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2181     fi
2182     speed_cflags='-O3'
2183     size_cflags='-Os'
2184 elif $cc --version 2>/dev/null | grep -q Intel; then
2185     cc_type=icc
2186     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2187     cc_ident=$($cc --version | head -n1)
2188     icc_version=$($cc -dumpversion)
2189     CC_DEPFLAGS='-MMD'
2190     AS_DEPFLAGS='-MMD'
2191     speed_cflags='-O3'
2192     size_cflags='-Os'
2193     noopt_cflags='-O1'
2194 elif $cc -v 2>&1 | grep -q xlc; then
2195     cc_type=xlc
2196     cc_version="AV_STRINGIFY(__IBMC__)"
2197     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2198     speed_cflags='-O5'
2199     size_cflags='-O5 -qcompact'
2200 elif $cc -V 2>/dev/null | grep -q Compaq; then
2201     cc_type=ccc
2202     cc_version="AV_STRINGIFY(__DECC_VER)"
2203     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2204     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2205     debuglevel=3
2206     add_ldflags -Wl,-z,now # calls to libots crash without this
2207     speed_cflags='-fast'
2208     size_cflags='-O1'
2209 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2210     test -d "$sysroot" || die "No valid sysroot specified."
2211     cc_type=armcc
2212     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2213     cc_ident=$($cc --vsn | head -n1)
2214     armcc_conf="$PWD/armcc.conf"
2215     $cc --arm_linux_configure                 \
2216         --arm_linux_config_file="$armcc_conf" \
2217         --configure_sysroot="$sysroot"        \
2218         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2219         die "Error creating armcc configuration file."
2220     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2221     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2222     as_default="${cross_prefix}gcc"
2223     CC_DEPFLAGS='-MMD'
2224     AS_DEPFLAGS='-MMD'
2225     speed_cflags='-O3'
2226     size_cflags='-Os'
2227     filter_asflags="filter_out -W${armcc_opt}*"
2228 elif $cc -version 2>/dev/null | grep -q TMS470; then
2229     cc_type=tms470
2230     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2231     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2232     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2233     CC_O='-fr=$(@D)'
2234     as_default="${cross_prefix}gcc"
2235     ld_default="${cross_prefix}gcc"
2236     TMPO=$(basename $TMPC .c).o
2237     append TMPFILES $TMPO
2238     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2239     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2240     AS_DEPFLAGS='-MMD'
2241     speed_cflags='-O3 -mf=5'
2242     size_cflags='-O3 -mf=2'
2243     filter_cflags=tms470_flags
2244     tms470_flags(){
2245         for flag; do
2246             case $flag in
2247                 -march=*|-mcpu=*)
2248                     case "${flag#*=}" in
2249                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2250                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2251                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2252                         armv6*|arm11*)          echo -mv=6   ;;
2253                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2254                                                 echo -mv=5e  ;;
2255                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2256                     esac
2257                     ;;
2258                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2259                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2260                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2261                 -msoft-float)   echo --float_support=vfplib       ;;
2262                 -O[0-3]|-mf=*)  echo $flag                        ;;
2263                 -g)             echo -g -mn                       ;;
2264                 -pds=*)         echo $flag                        ;;
2265             esac
2266         done
2267     }
2268 elif $cc -v 2>&1 | grep -q clang; then
2269     cc_type=clang
2270     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2271         cc_version=__clang_version__ || cc_version=__VERSION__
2272     cc_ident=$($cc --version | head -n1)
2273     CC_DEPFLAGS='-MMD'
2274     AS_DEPFLAGS='-MMD'
2275     speed_cflags='-O3'
2276     size_cflags='-Os'
2277 elif $cc -V 2>&1 | grep -q Sun; then
2278     cc_type=suncc
2279     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2280     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2281     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2282     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2283     add_ldflags -xc99
2284     speed_cflags='-O5'
2285     size_cflags='-O5 -xspace'
2286     filter_cflags=suncc_flags
2287     suncc_flags(){
2288         for flag; do
2289             case $flag in
2290                 -march=*|-mcpu=*)
2291                     case "${flag#*=}" in
2292                         native)                   echo -xtarget=native       ;;
2293                         v9|niagara)               echo -xarch=sparc          ;;
2294                         ultrasparc)               echo -xarch=sparcvis       ;;
2295                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2296                         i586|pentium)             echo -xchip=pentium        ;;
2297                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2298                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2299                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2300                         pentium4*)          echo -xtarget=pentium4           ;;
2301                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2302                         *-sse3)             echo -xarch=sse3                 ;;
2303                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2304                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2305                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2306                         k8|opteron|athlon64|athlon-fx)
2307                                                   echo -xarch=sse2a          ;;
2308                         athlon*)                  echo -xarch=pentium_proa   ;;
2309                     esac
2310                     ;;
2311                 -std=c99)             echo -xc99              ;;
2312                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2313                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2314                 -W*,*)                echo $flag              ;;
2315                 -f*-*|-W*)                                    ;;
2316                 *)                    echo $flag              ;;
2317             esac
2318         done
2319     }
2320 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2321     cc_type=pathscale
2322     cc_version=__PATHSCALE__
2323     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2324     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2325     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2326     speed_cflags='-O2'
2327     size_cflags='-Os'
2328     filter_cflags='filter_out -Wdisabled-optimization'
2329 elif $cc -v 2>&1 | grep -q Open64; then
2330     cc_type=open64
2331     cc_version=__OPEN64__
2332     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2333     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2334     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2335     speed_cflags='-O2'
2336     size_cflags='-Os'
2337     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2338 elif $cc -V 2>&1 | grep -q Portland; then
2339     cc_type=pgi
2340     cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2341     cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2342     opt_common='-alias=ansi -Mlre -Mpre'
2343     speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2344     size_cflags="-O2 -Munroll=c:1 $opt_common"
2345     noopt_cflags="-O1"
2346     filter_cflags=pgi_flags
2347     pgi_flags(){
2348         for flag; do
2349             case $flag in
2350                 -fomit-frame-pointer) echo -Mnoframe ;;
2351                 -g)                   echo -gopt ;;
2352                 *)                    echo $flag ;;
2353             esac
2354         done
2355     }
2356 fi
2357
2358 test -n "$cc_type" && enable $cc_type ||
2359     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2360
2361 : ${as_default:=$cc}
2362 : ${dep_cc_default:=$cc}
2363 : ${ld_default:=$cc}
2364 set_default ar as dep_cc ld
2365
2366 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2367 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2368 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2369
2370 add_cflags $extra_cflags
2371 add_cxxflags $extra_cxxflags
2372 add_asflags $extra_cflags
2373
2374 if test -n "$sysroot"; then
2375     case "$cc_type" in
2376         gcc|llvm_gcc|clang)
2377             add_cppflags --sysroot="$sysroot"
2378             add_ldflags --sysroot="$sysroot"
2379         ;;
2380         tms470)
2381             add_cppflags -I"$sysinclude"
2382             add_ldflags  --sysroot="$sysroot"
2383         ;;
2384     esac
2385 fi
2386
2387 if test "$cpu" = host; then
2388     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2389
2390     case "$cc_type" in
2391         gcc|llvm_gcc)
2392             check_native(){
2393                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2394                 sed -n "/cc1.*$1=/{
2395                             s/.*$1=\\([^ ]*\\).*/\\1/
2396                             p
2397                             q
2398                         }" $TMPE
2399             }
2400             cpu=$(check_native -march || check_native -mcpu)
2401         ;;
2402     esac
2403
2404     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2405 fi
2406
2407 # Deal with common $arch aliases
2408 case "$arch" in
2409     arm*|iPad*)
2410         arch="arm"
2411     ;;
2412     mips|mipsel|IP*)
2413         arch="mips"
2414     ;;
2415     mips64*)
2416         arch="mips"
2417         subarch="mips64"
2418     ;;
2419     parisc|hppa)
2420         arch="parisc"
2421     ;;
2422     parisc64|hppa64)
2423         arch="parisc"
2424         subarch="parisc64"
2425     ;;
2426     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2427         arch="ppc"
2428     ;;
2429     s390|s390x)
2430         arch="s390"
2431     ;;
2432     sh4|sh)
2433         arch="sh4"
2434     ;;
2435     sun4u|sparc64)
2436         arch="sparc"
2437         subarch="sparc64"
2438     ;;
2439     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2440         arch="x86"
2441     ;;
2442 esac
2443
2444 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2445 enable $arch
2446
2447 # Add processor-specific flags
2448 if test "$cpu" = generic; then
2449     : do nothing
2450 elif enabled ppc; then
2451
2452     case $(tolower $cpu) in
2453         601|ppc601|powerpc601)
2454             cpuflags="-mcpu=601"
2455             disable altivec
2456         ;;
2457         603*|ppc603*|powerpc603*)
2458             cpuflags="-mcpu=603"
2459             disable altivec
2460         ;;
2461         604*|ppc604*|powerpc604*)
2462             cpuflags="-mcpu=604"
2463             disable altivec
2464         ;;
2465         g3|75*|ppc75*|powerpc75*)
2466             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2467             disable altivec
2468         ;;
2469         g4|745*|ppc745*|powerpc745*)
2470             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2471         ;;
2472         74*|ppc74*|powerpc74*)
2473             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2474         ;;
2475         g5|970|ppc970|powerpc970)
2476             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2477         ;;
2478         power[3-7]*)
2479             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2480         ;;
2481         cell)
2482             cpuflags="-mcpu=cell"
2483             enable ldbrx
2484         ;;
2485         e500v2)
2486             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2487             disable altivec
2488         ;;
2489         e500)
2490             cpuflags="-mcpu=8540 -mhard-float"
2491             disable altivec
2492         ;;
2493     esac
2494
2495 elif enabled x86; then
2496
2497     case $cpu in
2498         i[345]86|pentium)
2499             cpuflags="-march=$cpu"
2500             disable mmx
2501         ;;
2502         # targets that do NOT support conditional mov (cmov)
2503         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2504             cpuflags="-march=$cpu"
2505             disable cmov
2506         ;;
2507         # targets that do support conditional mov (cmov)
2508         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2509             cpuflags="-march=$cpu"
2510             enable cmov
2511             enable fast_cmov
2512         ;;
2513         # targets that do support conditional mov but on which it's slow
2514         pentium4|pentium4m|prescott|nocona)
2515             cpuflags="-march=$cpu"
2516             enable cmov
2517             disable fast_cmov
2518         ;;
2519     esac
2520
2521 elif enabled sparc; then
2522
2523     case $cpu in
2524         niagara)
2525             cpuflags="-mcpu=$cpu"
2526             disable vis
2527         ;;
2528         sparc64)
2529             cpuflags="-mcpu=v9"
2530         ;;
2531     esac
2532
2533 elif enabled arm; then
2534
2535     case $cpu in
2536         armv*)
2537             cpuflags="-march=$cpu"
2538             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2539         ;;
2540         *)
2541             cpuflags="-mcpu=$cpu"
2542             case $cpu in
2543                 cortex-a*)                               subarch=armv7a  ;;
2544                 cortex-r*)                               subarch=armv7r  ;;
2545                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2546                 arm11*)                                  subarch=armv6   ;;
2547                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2548                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2549             esac
2550         ;;
2551     esac
2552
2553 elif enabled alpha; then
2554
2555     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2556
2557 elif enabled bfin; then
2558
2559     cpuflags="-mcpu=$cpu"
2560
2561 elif enabled mips; then
2562
2563     cpuflags="-march=$cpu"
2564
2565 elif enabled avr32; then
2566
2567     case $cpu in
2568         ap7[02]0[0-2])
2569             subarch="avr32_ap"
2570             cpuflags="-mpart=$cpu"
2571         ;;
2572         ap)
2573             subarch="avr32_ap"
2574             cpuflags="-march=$cpu"
2575         ;;
2576         uc3[ab]*)
2577             subarch="avr32_uc"
2578             cpuflags="-mcpu=$cpu"
2579         ;;
2580         uc)
2581             subarch="avr32_uc"
2582             cpuflags="-march=$cpu"
2583         ;;
2584     esac
2585
2586 fi
2587
2588 add_cflags $cpuflags
2589 add_asflags $cpuflags
2590
2591 # compiler sanity check
2592 check_exec <<EOF
2593 int main(void){ return 0; }
2594 EOF
2595 if test "$?" != 0; then
2596     echo "$cc is unable to create an executable file."
2597     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2598         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2599         echo "Only do this if you know what cross compiling means."
2600     fi
2601     die "C compiler test failed."
2602 fi
2603
2604 add_cppflags -D_ISOC99_SOURCE
2605 add_cxxflags -D__STDC_CONSTANT_MACROS
2606 check_cflags -std=c99
2607 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2608 #include <stdlib.h>
2609 EOF
2610 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2611 #include <stdlib.h>
2612 EOF
2613
2614 check_host_cflags -std=c99
2615 check_host_cflags -Wall
2616
2617 case "$arch" in
2618     alpha|ia64|mips|parisc|sparc)
2619         spic=$shared
2620     ;;
2621     x86)
2622         subarch="x86_32"
2623         check_cc <<EOF && subarch="x86_64"
2624         int test[(int)sizeof(char*) - 7];
2625 EOF
2626         if test "$subarch" = "x86_64"; then
2627             spic=$shared
2628         fi
2629     ;;
2630     ppc)
2631         check_cc <<EOF && subarch="ppc64"
2632         int test[(int)sizeof(char*) - 7];
2633 EOF
2634     ;;
2635 esac
2636
2637 enable $subarch
2638 enabled spic && enable pic
2639
2640 # OS specific
2641 case $target_os in
2642     haiku)
2643         prefix_default="/boot/common"
2644         network_extralibs="-lnetwork"
2645         host_libs=
2646         ;;
2647     sunos)
2648         FFSERVERLDFLAGS=""
2649         SHFLAGS='-shared -Wl,-h,$$(@F)'
2650         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2651         network_extralibs="-lsocket -lnsl"
2652         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2653         # When using suncc to build, the Solaris linker will mark
2654         # an executable with each instruction set encountered by
2655         # the Solaris assembler.  As our libraries contain their own
2656         # guards for processor-specific code, instead suppress
2657         # generation of the HWCAPS ELF section on Solaris x86 only.
2658         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2659         nm_opts='-P -g'
2660         ;;
2661     netbsd)
2662         disable symver
2663         oss_indev_extralibs="-lossaudio"
2664         oss_outdev_extralibs="-lossaudio"
2665         ;;
2666     openbsd)
2667         # On OpenBSD 4.5. the compiler does not use PIC unless
2668         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2669         # however the generated executable will not do anything
2670         # (simply quits with exit-code 1, no crash, no output).
2671         # Thus explicitly enable PIC here.
2672         enable pic
2673         disable symver
2674         SHFLAGS='-shared'
2675         oss_indev_extralibs="-lossaudio"
2676         oss_outdev_extralibs="-lossaudio"
2677         ;;
2678     dragonfly)
2679         disable symver
2680         ;;
2681     freebsd)
2682         ;;
2683     bsd/os)
2684         add_extralibs -lpoll -lgnugetopt
2685         strip="strip -d"
2686         ;;
2687     darwin)
2688         gas="gas-preprocessor.pl $cc"
2689         enabled ppc && add_asflags -force_cpusubtype_ALL
2690         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2691         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2692         strip="${strip} -x"
2693         add_ldflags -Wl,-dynamic,-search_paths_first
2694         SLIBSUF=".dylib"
2695         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2696         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2697         FFSERVERLDFLAGS=-Wl,-bind_at_load
2698         objformat="macho"
2699         enabled x86_64 && objformat="macho64"
2700         enabled_any pic shared ||
2701             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2702         ;;
2703     mingw32*)
2704         if test $target_os = "mingw32ce"; then
2705             disable network
2706         else
2707             target_os=mingw32
2708         fi
2709         LIBTARGET=i386
2710         if enabled x86_64; then
2711             LIBTARGET=x64
2712         elif enabled arm; then
2713             LIBTARGET=arm-wince
2714         fi
2715         shlibdir_default="$bindir_default"
2716         SLIBPREF=""
2717         SLIBSUF=".dll"
2718         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2719         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2720         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2721         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2722         SLIB_INSTALL_LINKS=
2723         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2724         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2725         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'
2726         objformat="win32"
2727         enable dos_paths
2728         check_cflags -fno-common
2729         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2730                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2731                 die "ERROR: MinGW runtime version must be >= 3.15."
2732         add_cppflags -U__STRICT_ANSI__
2733         ;;
2734     cygwin*)
2735         target_os=cygwin
2736         shlibdir_default="$bindir_default"
2737         SLIBPREF="cyg"
2738         SLIBSUF=".dll"
2739         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2740         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2741         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2742         objformat="win32"
2743         enable dos_paths
2744         check_cflags -fno-common
2745         add_cppflags -U__STRICT_ANSI__
2746         ;;
2747     *-dos|freedos|opendos)
2748         network_extralibs="-lsocket"
2749         objformat="coff"
2750         enable dos_paths
2751         add_cppflags -U__STRICT_ANSI__
2752         ;;
2753     linux)
2754         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2755         enable dv1394
2756         ;;
2757     irix*)
2758         target_os=irix
2759         ranlib="echo ignoring ranlib"
2760         ;;
2761     os/2*)
2762         strip="lxlite -CS"
2763         ln_s="cp -f"
2764         objformat="aout"
2765         add_cppflags -D_GNU_SOURCE
2766         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2767         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2768         FFSERVERLDFLAGS=""
2769         LIBSUF="_s.a"
2770         SLIBPREF=""
2771         SLIBSUF=".dll"
2772         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2773         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2774         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2775           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2776           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2777           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2778           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2779           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2780         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2781           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2782         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2783         enable dos_paths
2784         enable_weak os2threads
2785         ;;
2786     gnu/kfreebsd)
2787         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2788         ;;
2789     gnu)
2790         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2791         ;;
2792     qnx)
2793         add_cppflags -D_QNX_SOURCE
2794         network_extralibs="-lsocket"
2795         ;;
2796     symbian)
2797         SLIBSUF=".dll"
2798         enable dos_paths
2799         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2800         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2801         add_ldflags -Wl,--target1-abs,--no-undefined \
2802                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2803                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2804         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2805                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2806                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2807         ;;
2808     none)
2809         ;;
2810     *)
2811         die "Unknown OS '$target_os'."
2812         ;;
2813 esac
2814
2815 esc(){
2816     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2817 }
2818
2819 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
2820
2821 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2822
2823 set_default $PATHS_LIST
2824
2825 # we need to build at least one lib type
2826 if ! enabled_any static shared; then
2827     cat <<EOF
2828 At least one library type must be built.
2829 Specify --enable-static to build the static libraries or --enable-shared to
2830 build the shared libraries as well. To only build the shared libraries specify
2831 --disable-static in addition to --enable-shared.
2832 EOF
2833     exit 1;
2834 fi
2835
2836 die_license_disabled() {
2837     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2838 }
2839
2840 die_license_disabled_gpl() {
2841     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
2842 }
2843
2844 die_license_disabled gpl libcdio
2845 die_license_disabled gpl libutvideo
2846 die_license_disabled gpl libx264
2847 die_license_disabled gpl libxavs
2848 die_license_disabled gpl libxvid
2849 die_license_disabled gpl x11grab
2850
2851 die_license_disabled nonfree libaacplus
2852 die_license_disabled nonfree libfaac
2853 enabled gpl && die_license_disabled_gpl nonfree openssl
2854
2855 die_license_disabled version3 libopencore_amrnb
2856 die_license_disabled version3 libopencore_amrwb
2857 die_license_disabled version3 libvo_aacenc
2858 die_license_disabled version3 libvo_amrwbenc
2859
2860 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2861
2862 disabled optimizations || check_cflags -fomit-frame-pointer
2863
2864 enable_pic() {
2865     enable pic
2866     add_cppflags -DPIC
2867     add_cflags   -fPIC
2868     add_asflags  -fPIC
2869 }
2870
2871 enabled pic && enable_pic
2872
2873 check_cc <<EOF || die "Symbol mangling check failed."
2874 int ff_extern;
2875 EOF
2876 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2877 extern_prefix=${sym%%ff_extern*}
2878
2879 check_cc <<EOF && enable inline_asm
2880 void foo(void) { __asm__ volatile ("" ::); }
2881 EOF
2882
2883 _restrict=
2884 for restrict_keyword in restrict __restrict__ __restrict; do
2885     check_cc <<EOF && _restrict=$restrict_keyword && break
2886 void foo(char * $restrict_keyword p);
2887 EOF
2888 done
2889
2890 check_cc <<EOF && enable attribute_packed
2891 struct { int x; } __attribute__((packed)) x;
2892 EOF
2893
2894 check_cc <<EOF && enable attribute_may_alias
2895 union { int x; } __attribute__((may_alias)) x;
2896 EOF
2897
2898 check_cc <<EOF || die "endian test failed"
2899 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2900 EOF
2901 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2902
2903 if enabled alpha; then
2904
2905     check_cflags -mieee
2906
2907 elif enabled arm; then
2908
2909     enabled thumb && check_cflags -mthumb || check_cflags -marm
2910     nogas=die
2911
2912     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2913         enable vfp_args
2914     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2915         case "${cross_prefix:-$cc}" in
2916             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2917             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2918 __asm__ (".eabi_attribute 28, 1");
2919 int main(void) { return 0; }
2920 EOF
2921         esac
2922         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2923     fi
2924
2925     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2926     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2927     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2928     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2929     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2930     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2931
2932     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2933
2934     enabled_all armv6t2 shared !pic && enable_pic
2935
2936 elif enabled mips; then
2937
2938     check_asm loongson '"dmult.g $1, $2, $3"'
2939     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2940
2941 elif enabled ppc; then
2942
2943     enable local_aligned_8 local_aligned_16
2944
2945     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2946     check_asm ibm_asm   '"add 0, 0, 0"'
2947     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2948     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2949
2950     # AltiVec flags: The FSF version of GCC differs from the Apple version
2951     if enabled altivec; then
2952         nogas=warn
2953         check_cflags -maltivec -mabi=altivec &&
2954         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2955         check_cflags -faltivec
2956
2957         # check if our compiler supports Motorola AltiVec C API
2958         check_cc <<EOF || disable altivec
2959 $inc_altivec_h
2960 int main(void) {
2961     vector signed int v1, v2, v3;
2962     v1 = vec_add(v2,v3);
2963     return 0;
2964 }
2965 EOF
2966
2967         # check if our compiler supports braces for vector declarations
2968         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2969 $inc_altivec_h
2970 int main (void) { (vector int) {1}; return 0; }
2971 EOF
2972     fi
2973
2974 elif enabled sparc; then
2975
2976     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2977         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2978
2979 elif enabled x86; then
2980
2981     enable local_aligned_8 local_aligned_16
2982
2983     # check whether EBP is available on x86
2984     # As 'i' is stored on the stack, this program will crash
2985     # if the base pointer is used to access it because the
2986     # base pointer is cleared in the inline assembly code.
2987     check_exec_crash <<EOF && enable ebp_available
2988     volatile int i=0;
2989     __asm__ volatile (
2990         "xorl %%ebp, %%ebp"
2991     ::: "%ebp");
2992     return i;
2993 EOF
2994
2995     # check whether EBX is available on x86
2996     check_asm ebx_available '""::"b"(0)' &&
2997         check_asm ebx_available '"":::"%ebx"'
2998
2999     # check whether xmm clobbers are supported
3000     check_asm xmm_clobbers '"":::"%xmm0"'
3001
3002     # check whether binutils is new enough to compile SSSE3/MMX2
3003     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
3004     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
3005
3006     if ! disabled_any asm mmx yasm; then
3007         if check_cmd $yasmexe --version; then
3008             enabled x86_64 && yasm_extra="-m amd64"
3009             yasm_debug="-g dwarf2"
3010         elif check_cmd nasm -v; then
3011             yasmexe=nasm
3012             yasm_debug="-g -F dwarf"
3013             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3014         fi
3015
3016         YASMFLAGS="-f $objformat $yasm_extra"
3017         enabled pic               && append YASMFLAGS "-DPIC"
3018         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3019         case "$objformat" in
3020             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3021         esac
3022
3023         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3024             die "yasm not found, use --disable-yasm for a crippled build"
3025         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3026     fi
3027
3028     case "$cpu" in
3029         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3030             disable fast_clz
3031         ;;
3032     esac
3033
3034 fi
3035
3036 if enabled asm; then
3037     as=${gas:=$as}
3038     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3039         $nogas "GNU assembler not found, install gas-preprocessor"
3040 fi
3041
3042 check_ldflags -Wl,--as-needed
3043
3044 if check_func dlopen; then
3045     ldl=
3046 elif check_func dlopen -ldl; then
3047     ldl=-ldl
3048 fi
3049
3050 if enabled network; then
3051     check_type "sys/types.h sys/socket.h" socklen_t
3052     check_type netdb.h "struct addrinfo"
3053     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3054     check_type netinet/in.h "struct sockaddr_in6"
3055     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3056     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3057     check_header netinet/sctp.h
3058     # Prefer arpa/inet.h over winsock2
3059     if check_header arpa/inet.h ; then
3060         check_func closesocket
3061     elif check_header winsock2.h ; then
3062         check_func_headers winsock2.h closesocket -lws2 && \
3063             network_extralibs="-lws2" || \
3064         { check_func_headers winsock2.h closesocket -lws2_32 && \
3065             network_extralibs="-lws2_32"; }
3066         check_type ws2tcpip.h socklen_t
3067         check_type ws2tcpip.h "struct addrinfo"
3068         check_type ws2tcpip.h "struct ipv6_mreq"
3069         check_type ws2tcpip.h "struct sockaddr_in6"
3070         check_type ws2tcpip.h "struct sockaddr_storage"
3071         check_struct winsock2.h "struct sockaddr" sa_len
3072     else
3073         disable network
3074     fi
3075 fi
3076
3077 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3078 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3079
3080 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3081 check_func  fcntl
3082 check_func  fork
3083 check_func  getaddrinfo $network_extralibs
3084 check_func  gethrtime
3085 check_func  getrusage
3086 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3087 check_func  inet_aton $network_extralibs
3088 check_func  isatty
3089 check_func  localtime_r
3090 check_func  ${malloc_prefix}memalign            && enable memalign
3091 check_func  mkstemp
3092 check_func  mmap
3093 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3094 check_func  setrlimit
3095 check_func  strerror_r
3096 check_func  strptime
3097 check_func  sched_getaffinity
3098 check_func  sysconf
3099 check_func  sysctl
3100 check_func_headers conio.h kbhit
3101 check_func_headers windows.h PeekNamedPipe
3102 check_func_headers io.h setmode
3103 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3104 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3105 check_func_headers windows.h GetProcessAffinityMask
3106 check_func_headers windows.h GetProcessTimes
3107 check_func_headers windows.h MapViewOfFile
3108 check_func_headers windows.h VirtualAlloc
3109 check_func_headers glob.h glob
3110
3111 check_header dlfcn.h
3112 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3113 check_header libcrystalhd/libcrystalhd_if.h
3114 check_header malloc.h
3115 check_header poll.h
3116 check_header sys/mman.h
3117 check_header sys/param.h
3118 check_header sys/resource.h
3119 check_header sys/select.h
3120 check_header termios.h
3121 check_header vdpau/vdpau.h
3122 check_header vdpau/vdpau_x11.h
3123 check_header X11/extensions/XvMClib.h
3124 check_header asm/types.h
3125
3126 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3127 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3128
3129 # check for VDA header
3130 if ! disabled vda; then
3131     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3132         enable vda
3133         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3134     fi
3135 fi
3136
3137 if ! disabled w32threads && ! enabled pthreads; then
3138     check_func _beginthreadex && enable w32threads
3139 fi
3140
3141 # check for some common methods of building with pthread support
3142 # do this before the optional library checks as some of them require pthreads
3143 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3144     enable pthreads
3145     if check_func pthread_create; then
3146         :
3147     elif check_func pthread_create -pthread; then
3148         add_cflags -pthread
3149         add_extralibs -pthread
3150     elif check_func pthread_create -pthreads; then
3151         add_cflags -pthreads
3152         add_extralibs -pthreads
3153     elif check_func pthread_create -lpthreadGC2; then
3154         add_extralibs -lpthreadGC2
3155     elif ! check_lib pthread.h pthread_create -lpthread; then
3156         disable pthreads
3157     fi
3158 fi
3159
3160 for thread in $THREADS_LIST; do
3161     if enabled $thread; then
3162         test -n "$thread_type" &&
3163             die "ERROR: Only one thread type must be selected." ||
3164             thread_type="$thread"
3165     fi
3166 done
3167
3168 if enabled pthreads; then
3169   check_func pthread_cancel
3170 fi
3171
3172 check_lib math.h sin -lm && LIBM="-lm"
3173 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3174 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3175
3176 check_mathfunc cbrtf
3177 check_mathfunc exp2
3178 check_mathfunc exp2f
3179 check_mathfunc llrint
3180 check_mathfunc llrintf
3181 check_mathfunc log2
3182 check_mathfunc log2f
3183 check_mathfunc lrint
3184 check_mathfunc lrintf
3185 check_mathfunc round
3186 check_mathfunc roundf
3187 check_mathfunc trunc
3188 check_mathfunc truncf
3189
3190 # these are off by default, so fail if requested and not available
3191 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3192 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3193 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3194 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3195 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3196 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3197 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3198 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3199                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3200                         die "ERROR: libcelt version must be >= 0.11.0."; }
3201 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3202 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3203 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3204 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3205 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3206 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3207 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3208 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3209 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3210 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3211 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3212 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3213 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3214 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3215 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3216     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3217     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3218 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3219 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3220 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3221 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3222 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3223 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3224 enabled libvpx     && {
3225     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3226                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3227     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3228                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3229 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3230                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3231                         die "ERROR: libx264 version must be >= 0.118."; }
3232 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3233 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3234 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3235                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3236                         die "ERROR: openal not found"; } &&
3237                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3238                         die "ERROR: openal version must be 1.1 or compatible"; }
3239 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3240                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3241                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3242                         die "ERROR: openssl not found"; }
3243
3244 # libdc1394 check
3245 if enabled libdc1394; then
3246     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3247         enable libdc1394_2; } ||
3248     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3249         enable libdc1394_1; } ||
3250     die "ERROR: No version of libdc1394 found "
3251 fi
3252
3253 SDL_CONFIG="${cross_prefix}sdl-config"
3254 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3255     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3256     enable sdl &&
3257     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3258 else
3259   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3260     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3261     sdl_libs=$("${SDL_CONFIG}" --libs)
3262     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3263     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3264     enable sdl &&
3265     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3266   fi
3267 fi
3268 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3269
3270 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3271 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3272
3273 check_header linux/fb.h
3274 check_header linux/videodev.h
3275 check_header linux/videodev2.h
3276 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3277
3278 check_header sys/videoio.h
3279
3280 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3281 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3282 # w32api 3.12 had it defined wrong
3283 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3284
3285 check_type "dshow.h" IBaseFilter
3286
3287 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3288 { check_header dev/bktr/ioctl_meteor.h &&
3289   check_header dev/bktr/ioctl_bt848.h; } ||
3290 { check_header machine/ioctl_meteor.h &&
3291   check_header machine/ioctl_bt848.h; } ||
3292 { check_header dev/video/meteor/ioctl_meteor.h &&
3293   check_header dev/video/bktr/ioctl_bt848.h; } ||
3294 check_header dev/ic/bt8xx.h
3295
3296 check_header sndio.h
3297 if check_struct sys/soundcard.h audio_buf_info bytes; then
3298     enable_safe sys/soundcard.h
3299 else
3300     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3301     #include <sys/soundcard.h>
3302     audio_buf_info abc;
3303 EOF
3304 fi
3305 check_header soundcard.h
3306
3307 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3308
3309 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3310
3311 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3312
3313 enabled libcdio &&
3314     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3315
3316 enabled x11grab                                           &&
3317 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3318 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3319 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3320
3321 if ! disabled vaapi; then
3322     check_lib va/va.h vaInitialize -lva && {
3323         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3324         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3325     } || disable vaapi
3326 fi
3327
3328 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3329 check_cpp_condition \
3330     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3331     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3332       disable vdpau; }
3333 fi
3334
3335 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3336 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3337 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"
3338
3339 # add some useful compiler flags if supported
3340 check_cflags -Wdeclaration-after-statement
3341 check_cflags -Wall
3342 check_cflags -Wno-parentheses
3343 check_cflags -Wno-switch
3344 check_cflags -Wno-format-zero-length
3345 check_cflags -Wdisabled-optimization
3346 check_cflags -Wpointer-arith
3347 check_cflags -Wredundant-decls
3348 check_cflags -Wno-pointer-sign
3349 check_cflags -Wwrite-strings
3350 check_cflags -Wtype-limits
3351 check_cflags -Wundef
3352 check_cflags -Wmissing-prototypes
3353 check_cflags -Wno-pointer-to-int-cast
3354 check_cflags -Wstrict-prototypes
3355 enabled extra_warnings && check_cflags -Winline
3356
3357 # add some linker flags
3358 check_ldflags -Wl,--warn-common
3359 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3360 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3361
3362 enabled xmm_clobber_test &&                             \
3363     check_ldflags -Wl,--wrap,avcodec_open2              \
3364                   -Wl,--wrap,avcodec_decode_audio4      \
3365                   -Wl,--wrap,avcodec_decode_video2      \
3366                   -Wl,--wrap,avcodec_decode_subtitle2   \
3367                   -Wl,--wrap,avcodec_encode_audio2      \
3368                   -Wl,--wrap,avcodec_encode_video       \
3369                   -Wl,--wrap,avcodec_encode_subtitle    \
3370                   -Wl,--wrap,sws_scale ||               \
3371     disable xmm_clobber_test
3372
3373 echo "X{};" > $TMPV
3374 if test_ldflags -Wl,--version-script,$TMPV; then
3375     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3376     check_cc <<EOF && enable symver_asm_label
3377 void ff_foo(void) __asm__ ("av_foo@VERSION");
3378 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3379 EOF
3380     check_cc <<EOF && enable symver_gnu_asm
3381 __asm__(".symver ff_foo,av_foo@VERSION");
3382 void ff_foo(void) {}
3383 EOF
3384 fi
3385
3386 if [ -n "$optflags" ]; then
3387     add_cflags $optflags
3388 elif enabled small; then
3389     add_cflags $size_cflags
3390 elif enabled optimizations; then
3391     add_cflags $speed_cflags
3392 else
3393     add_cflags $noopt_cflags
3394 fi
3395 check_cflags -fno-math-errno
3396 check_cflags -fno-signed-zeros
3397 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3398 int x;
3399 EOF
3400
3401
3402 if enabled icc; then
3403     # Just warnings, no remarks
3404     check_cflags -w1
3405     # -wd: Disable following warnings
3406     # 144, 167, 556: -Wno-pointer-sign
3407     # 1292: attribute "foo" ignored
3408     # 1419: external declaration in primary source file
3409     # 10006: ignoring unknown option -fno-signed-zeros
3410     # 10148: ignoring unknown option -Wno-parentheses
3411     # 10156: ignoring option '-W'; no argument required
3412     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3413     # 11030: Warning unknown option --as-needed
3414     # 10156: ignoring option '-export'; no argument required
3415     check_ldflags -wd10156,11030
3416     # Allow to compile with optimizations
3417     check_ldflags -march=$cpu
3418     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3419     enable ebp_available
3420     if enabled x86_32; then
3421         test ${icc_version%%.*} -ge 11 && \
3422             check_cflags -falign-stack=maintain-16-byte || \
3423             disable aligned_stack
3424     fi
3425 elif enabled ccc; then
3426     # disable some annoying warnings
3427     add_cflags -msg_disable cvtu32to64
3428     add_cflags -msg_disable embedcomment
3429     add_cflags -msg_disable needconstext
3430     add_cflags -msg_disable nomainieee
3431     add_cflags -msg_disable ptrmismatch1
3432     add_cflags -msg_disable unreachcode
3433 elif enabled gcc; then
3434     check_cflags -fno-tree-vectorize
3435     check_cflags -Werror=implicit-function-declaration
3436     check_cflags -Werror=missing-prototypes
3437 elif enabled llvm_gcc; then
3438     check_cflags -mllvm -stack-alignment=16
3439 elif enabled clang; then
3440     check_cflags -mllvm -stack-alignment=16
3441     check_cflags -Qunused-arguments
3442 elif enabled armcc; then
3443     # 2523: use of inline assembler is deprecated
3444     add_cflags -W${armcc_opt},--diag_suppress=2523
3445     add_cflags -W${armcc_opt},--diag_suppress=1207
3446     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3447     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3448     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3449     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3450 elif enabled tms470; then
3451     add_cflags -pds=824 -pds=837
3452 elif enabled pathscale; then
3453     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3454 fi
3455
3456 enabled_any $THREADS_LIST      && enable threads
3457
3458 check_deps $CONFIG_LIST       \
3459            $CONFIG_EXTRA      \
3460            $HAVE_LIST         \
3461            $ALL_COMPONENTS    \
3462            $ALL_TESTS         \
3463
3464 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3465
3466 if test $target_os = "haiku"; then
3467     disable memalign
3468     disable posix_memalign
3469 fi
3470
3471 ! enabled_any memalign posix_memalign &&
3472     enabled_any $need_memalign && enable memalign_hack
3473
3474 # add_dep lib dep
3475 # -> enable ${lib}_deps_${dep}
3476 # -> add $dep to ${lib}_deps only once
3477 add_dep() {
3478     lib=$1
3479     dep=$2
3480     enabled "${lib}_deps_${dep}" && return 0
3481     enable  "${lib}_deps_${dep}"
3482     prepend "${lib}_deps" $dep
3483 }
3484
3485 # merge deps lib components
3486 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3487 merge_deps() {
3488     lib=$1
3489     shift
3490     for comp in $*; do
3491         enabled $comp || continue
3492         eval "dep=\"\$${comp}_deps\""
3493         for d in $dep; do
3494             add_dep $lib $d
3495         done
3496     done
3497 }
3498
3499 merge_deps libavfilter $FILTER_LIST
3500
3501 echo "install prefix            $prefix"
3502 echo "source path               $source_path"
3503 echo "C compiler                $cc"
3504 echo "ARCH                      $arch ($cpu)"
3505 if test "$build_suffix" != ""; then
3506     echo "build suffix              $build_suffix"
3507 fi
3508 if test "$progs_suffix" != ""; then
3509     echo "progs suffix              $progs_suffix"
3510 fi
3511 if test "$extra_version" != ""; then
3512     echo "version string suffix     $extra_version"
3513 fi
3514 echo "big-endian                ${bigendian-no}"
3515 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3516 if enabled x86; then
3517     echo "${yasmexe}                      ${yasm-no}"
3518     echo "MMX enabled               ${mmx-no}"
3519     echo "MMX2 enabled              ${mmx2-no}"
3520     echo "3DNow! enabled            ${amd3dnow-no}"
3521     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3522     echo "SSE enabled               ${sse-no}"
3523     echo "SSSE3 enabled             ${ssse3-no}"
3524     echo "AVX enabled               ${avx-no}"
3525     echo "CMOV enabled              ${cmov-no}"
3526     echo "CMOV is fast              ${fast_cmov-no}"
3527     echo "EBX available             ${ebx_available-no}"
3528     echo "EBP available             ${ebp_available-no}"
3529 fi
3530 if enabled arm; then
3531     echo "ARMv5TE enabled           ${armv5te-no}"
3532     echo "ARMv6 enabled             ${armv6-no}"
3533     echo "ARMv6T2 enabled           ${armv6t2-no}"
3534     echo "ARM VFP enabled           ${armvfp-no}"
3535     echo "NEON enabled              ${neon-no}"
3536 fi
3537 if enabled mips; then
3538     echo "MMI enabled               ${mmi-no}"
3539 fi
3540 if enabled ppc; then
3541     echo "AltiVec enabled           ${altivec-no}"
3542     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3543     echo "dcbzl available           ${dcbzl-no}"
3544 fi
3545 if enabled sparc; then
3546     echo "VIS enabled               ${vis-no}"
3547 fi
3548 echo "debug symbols             ${debug-no}"
3549 echo "strip symbols             ${stripping-no}"
3550 echo "optimize for size         ${small-no}"
3551 echo "optimizations             ${optimizations-no}"
3552 echo "static                    ${static-no}"
3553 echo "shared                    ${shared-no}"
3554 echo "postprocessing support    ${postproc-no}"
3555 echo "new filter support        ${avfilter-no}"
3556 echo "network support           ${network-no}"
3557 echo "threading support         ${thread_type-no}"
3558 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3559 echo "SDL support               ${sdl-no}"
3560 echo "libdxva2 enabled          ${dxva2-no}"
3561 echo "libva enabled             ${vaapi-no}"
3562 echo "libvdpau enabled          ${vdpau-no}"
3563 echo "AVISynth enabled          ${avisynth-no}"
3564 echo "frei0r enabled            ${frei0r-no}"
3565 echo "gnutls enabled            ${gnutls-no}"
3566 echo "libaacplus enabled        ${libaacplus-no}"
3567 echo "libass enabled            ${libass-no}"
3568 echo "libcdio support           ${libcdio-no}"
3569 echo "libcelt enabled           ${libcelt-no}"
3570 echo "libdc1394 support         ${libdc1394-no}"
3571 echo "libfaac enabled           ${libfaac-no}"
3572 echo "libgsm enabled            ${libgsm-no}"
3573 echo "libmodplug enabled        ${libmodplug-no}"
3574 echo "libmp3lame enabled        ${libmp3lame-no}"
3575 echo "libnut enabled            ${libnut-no}"
3576 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3577 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3578 echo "libopencv support         ${libopencv-no}"
3579 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3580 echo "libpulse enabled          ${libpulse-no}"
3581 echo "librtmp enabled           ${librtmp-no}"
3582 echo "libschroedinger enabled   ${libschroedinger-no}"
3583 echo "libspeex enabled          ${libspeex-no}"
3584 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3585 echo "libtheora enabled         ${libtheora-no}"
3586 echo "libutvideo enabled        ${libutvideo-no}"
3587 echo "libv4l2 enabled           ${libv4l2-no}"
3588 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3589 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3590 echo "libvorbis enabled         ${libvorbis-no}"
3591 echo "libvpx enabled            ${libvpx-no}"
3592 echo "libx264 enabled           ${libx264-no}"
3593 echo "libxavs enabled           ${libxavs-no}"
3594 echo "libxvid enabled           ${libxvid-no}"
3595 echo "openal enabled            ${openal-no}"
3596 echo "openssl enabled           ${openssl-no}"
3597 echo "zlib enabled              ${zlib-no}"
3598 echo "bzlib enabled             ${bzlib-no}"
3599 test -n "$random_seed" &&
3600     echo "random seed               ${random_seed}"
3601 echo
3602
3603 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3604     echo "Enabled ${type}s:"
3605     eval list=\$$(toupper $type)_LIST
3606     print_enabled '_*' $list | sort | pr -r -3 -t
3607     echo
3608 done
3609
3610 license="LGPL version 2.1 or later"
3611 if enabled nonfree; then
3612     license="nonfree and unredistributable"
3613 elif enabled gplv3; then
3614     license="GPL version 3 or later"
3615 elif enabled lgplv3; then
3616     license="LGPL version 3 or later"
3617 elif enabled gpl; then
3618     license="GPL version 2 or later"
3619 fi
3620
3621 echo "License: $license"
3622
3623 echo "Creating config.mak and config.h..."
3624
3625 test -e Makefile || $ln_s "$source_path/Makefile" .
3626
3627 enabled stripping || strip="echo skipping strip"
3628
3629 config_files="$TMPH config.mak"
3630
3631 cat > config.mak <<EOF
3632 # Automatically generated by configure - do not modify!
3633 ifndef FFMPEG_CONFIG_MAK
3634 FFMPEG_CONFIG_MAK=1
3635 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3636 prefix=$prefix
3637 LIBDIR=\$(DESTDIR)$libdir
3638 SHLIBDIR=\$(DESTDIR)$shlibdir
3639 INCDIR=\$(DESTDIR)$incdir
3640 BINDIR=\$(DESTDIR)$bindir
3641 DATADIR=\$(DESTDIR)$datadir
3642 MANDIR=\$(DESTDIR)$mandir
3643 SRC_PATH=$source_path
3644 ifndef MAIN_MAKEFILE
3645 SRC_PATH:=\$(SRC_PATH:.%=..%)
3646 endif
3647 CC_IDENT=$cc_ident
3648 ARCH=$arch
3649 CC=$cc
3650 CXX=$cxx
3651 AS=$as
3652 LD=$ld
3653 DEPCC=$dep_cc
3654 YASM=$yasmexe
3655 YASMDEP=$yasmexe
3656 AR=$ar
3657 RANLIB=$ranlib
3658 CP=cp -p
3659 LN_S=$ln_s
3660 STRIP=$strip
3661 CPPFLAGS=$CPPFLAGS
3662 CFLAGS=$CFLAGS
3663 CXXFLAGS=$CXXFLAGS
3664 ASFLAGS=$ASFLAGS
3665 AS_O=$CC_O
3666 CC_O=$CC_O
3667 CXX_O=$CXX_O
3668 LDFLAGS=$LDFLAGS
3669 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3670 SHFLAGS=$SHFLAGS
3671 YASMFLAGS=$YASMFLAGS
3672 BUILDSUF=$build_suffix
3673 PROGSSUF=$progs_suffix
3674 FULLNAME=$FULLNAME
3675 LIBPREF=$LIBPREF
3676 LIBSUF=$LIBSUF
3677 LIBNAME=$LIBNAME
3678 SLIBPREF=$SLIBPREF
3679 SLIBSUF=$SLIBSUF
3680 EXESUF=$EXESUF
3681 EXTRA_VERSION=$extra_version
3682 DEPFLAGS=$DEPFLAGS
3683 CCDEP=$CCDEP
3684 CXXDEP=$CXXDEP
3685 ASDEP=$ASDEP
3686 CC_DEPFLAGS=$CC_DEPFLAGS
3687 AS_DEPFLAGS=$AS_DEPFLAGS
3688 HOSTCC=$host_cc
3689 HOSTCFLAGS=$host_cflags
3690 HOSTEXESUF=$HOSTEXESUF
3691 HOSTLDFLAGS=$host_ldflags
3692 HOSTLIBS=$host_libs
3693 TARGET_EXEC=$target_exec
3694 TARGET_PATH=$target_path
3695 SDL_LIBS=$sdl_libs
3696 SDL_CFLAGS=$sdl_cflags
3697 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3698 EXTRALIBS=$extralibs
3699 INSTALL=$install
3700 LIBTARGET=${LIBTARGET}
3701 SLIBNAME=${SLIBNAME}
3702 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3703 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3704 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3705 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3706 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3707 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3708 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3709 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3710 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3711 NOREDZONE_FLAGS=$noredzone_flags
3712 EOF
3713
3714 get_version(){
3715     name=$1
3716     file=$source_path/$2
3717 # This condition will be removed when we stop supporting old libpostproc versions
3718 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3719     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3720     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3721 fi
3722     lcname=$(tolower $name)
3723     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3724     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3725 }
3726
3727 get_version LIBAVCODEC  libavcodec/version.h
3728 get_version LIBAVDEVICE libavdevice/avdevice.h
3729 get_version LIBAVFILTER libavfilter/version.h
3730 get_version LIBAVFORMAT libavformat/version.h
3731 get_version LIBAVRESAMPLE libavresample/version.h
3732 get_version LIBAVUTIL   libavutil/avutil.h
3733 get_version LIBPOSTPROC libpostproc/postprocess.h
3734 get_version LIBSWRESAMPLE libswresample/swresample.h
3735 get_version LIBSWSCALE  libswscale/swscale.h
3736
3737 cat > $TMPH <<EOF
3738 /* Automatically generated by configure - do not modify! */
3739 #ifndef FFMPEG_CONFIG_H
3740 #define FFMPEG_CONFIG_H
3741 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3742 #define FFMPEG_LICENSE "$(c_escape $license)"
3743 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3744 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3745 #define CC_TYPE "$cc_type"
3746 #define CC_VERSION $cc_version
3747 #define restrict $_restrict
3748 #define EXTERN_PREFIX "${extern_prefix}"
3749 #define EXTERN_ASM ${extern_prefix}
3750 #define SLIBSUF "$SLIBSUF"
3751 EOF
3752
3753 test -n "$assert_level" &&
3754     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
3755
3756 test -n "$malloc_prefix" &&
3757     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3758
3759 if enabled small || disabled optimizations; then
3760     echo "#undef  av_always_inline"  >> $TMPH
3761     if enabled small; then
3762         echo "#define av_always_inline inline"  >> $TMPH
3763     else
3764         echo "#define av_always_inline av_unused"  >> $TMPH
3765     fi
3766 fi
3767
3768 if enabled yasm; then
3769     append config_files $TMPASM
3770     printf '' >$TMPASM
3771 fi
3772
3773 print_config ARCH_   "$config_files" $ARCH_LIST
3774 print_config HAVE_   "$config_files" $HAVE_LIST
3775 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3776                                      $CONFIG_EXTRA      \
3777                                      $ALL_COMPONENTS    \
3778
3779 cat >>config.mak <<EOF
3780 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3781 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3782 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3783 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3784 EOF
3785
3786 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3787 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3788
3789 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3790 cp_if_changed $TMPH config.h
3791 touch .config
3792
3793 enabled yasm && cp_if_changed $TMPASM config.asm
3794
3795 cat > $TMPH <<EOF
3796 /* Generated by ffconf */
3797 #ifndef AVUTIL_AVCONFIG_H
3798 #define AVUTIL_AVCONFIG_H
3799 EOF
3800
3801 test "$postproc_version" != current && cat >> $TMPH <<EOF
3802 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3803 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3804 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3805 EOF
3806
3807 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3808
3809 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3810
3811 cp_if_changed $TMPH libavutil/avconfig.h
3812
3813 test -n "$WARNINGS" && printf "\n$WARNINGS"
3814
3815 # build pkg-config files
3816
3817 pkgconfig_generate(){
3818 name=$1
3819 shortname=${name#lib}${build_suffix}
3820 comment=$2
3821 version=$3
3822 libs=$4
3823 requires=$5
3824 enabled ${name#lib} || return 0
3825 mkdir -p $name
3826 cat <<EOF > $name/$name.pc
3827 prefix=$prefix
3828 exec_prefix=\${prefix}
3829 libdir=$libdir
3830 includedir=$incdir
3831
3832 Name: $name
3833 Description: $comment
3834 Version: $version
3835 Requires: $(enabled shared || echo $requires)
3836 Requires.private: $(enabled shared && echo $requires)
3837 Conflicts:
3838 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3839 Libs.private: $(enabled shared && echo $libs)
3840 Cflags: -I\${includedir}
3841 EOF
3842 cat <<EOF > $name/$name-uninstalled.pc
3843 prefix=
3844 exec_prefix=
3845 libdir=\${pcfiledir}
3846 includedir=${source_path}
3847
3848 Name: $name
3849 Description: $comment
3850 Version: $version
3851 Requires: $requires
3852 Conflicts:
3853 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3854 Cflags: -I\${includedir}
3855 EOF
3856 }
3857
3858 libavfilter_pc_deps=""
3859 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3860 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3861 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3862 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3863 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3864 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3865
3866 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
3867 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
3868
3869 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3870 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3871 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3872 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
3873 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3874 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3875 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3876 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3877 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"