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 amv_encoder_select="aandct"
1414 atrac1_decoder_select="mdct sinewin"
1415 atrac3_decoder_select="mdct"
1416 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1417 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1418 cavs_decoder_select="golomb"
1419 cook_decoder_select="mdct sinewin"
1420 cscd_decoder_suggest="zlib"
1421 dca_decoder_select="mdct"
1422 dirac_decoder_select="dwt golomb"
1423 dnxhd_encoder_select="aandct"
1424 dxa_decoder_select="zlib"
1425 eac3_decoder_select="ac3_decoder"
1426 eac3_encoder_select="mdct ac3dsp"
1427 eamad_decoder_select="aandct"
1428 eatgq_decoder_select="aandct"
1429 eatqi_decoder_select="aandct"
1430 ffv1_decoder_select="golomb"
1431 flac_decoder_select="golomb"
1432 flac_encoder_select="golomb lpc"
1433 flashsv_decoder_select="zlib"
1434 flashsv_encoder_select="zlib"
1435 flashsv2_encoder_select="zlib"
1436 flashsv2_decoder_select="zlib"
1437 flv_decoder_select="h263_decoder"
1438 flv_encoder_select="h263_encoder"
1439 fraps_decoder_select="huffman"
1440 h261_encoder_select="aandct"
1441 h263_decoder_select="h263_parser"
1442 h263_encoder_select="aandct"
1443 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1444 h263i_decoder_select="h263_decoder"
1445 h263p_encoder_select="h263_encoder"
1446 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1447 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1448 h264_dxva2_hwaccel_deps="dxva2api_h"
1449 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1450 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1451 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1452 h264_vda_hwaccel_select="vda h264_decoder"
1453 h264_vdpau_decoder_select="vdpau h264_decoder"
1454 iac_decoder_select="sinewin"
1455 imc_decoder_select="fft mdct sinewin"
1456 jpegls_decoder_select="golomb"
1457 jpegls_encoder_select="golomb"
1458 ljpeg_encoder_select="aandct"
1459 loco_decoder_select="golomb"
1460 mjpeg_encoder_select="aandct"
1461 mlp_decoder_select="mlp_parser"
1462 mp1_decoder_select="mpegaudiodsp"
1463 mp1float_decoder_select="mpegaudiodsp"
1464 mp2_decoder_select="mpegaudiodsp"
1465 mp2float_decoder_select="mpegaudiodsp"
1466 mp3_decoder_select="mpegaudiodsp"
1467 mp3adu_decoder_select="mpegaudiodsp"
1468 mp3adufloat_decoder_select="mpegaudiodsp"
1469 mp3float_decoder_select="mpegaudiodsp"
1470 mp3on4_decoder_select="mpegaudiodsp"
1471 mp3on4float_decoder_select="mpegaudiodsp"
1472 mpc7_decoder_select="mpegaudiodsp"
1473 mpc8_decoder_select="mpegaudiodsp"
1474 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1475 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1476 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1477 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1478 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1479 mpeg1video_encoder_select="aandct"
1480 mpeg2_crystalhd_decoder_select="crystalhd"
1481 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1482 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1483 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1484 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1485 mpeg2video_encoder_select="aandct"
1486 mpeg4_crystalhd_decoder_select="crystalhd"
1487 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1488 mpeg4_encoder_select="h263_encoder"
1489 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1490 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1491 msmpeg4_crystalhd_decoder_select="crystalhd"
1492 msmpeg4v1_decoder_select="h263_decoder"
1493 msmpeg4v1_encoder_select="h263_encoder"
1494 msmpeg4v2_decoder_select="h263_decoder"
1495 msmpeg4v2_encoder_select="h263_encoder"
1496 msmpeg4v3_decoder_select="h263_decoder"
1497 msmpeg4v3_encoder_select="h263_encoder"
1498 nellymoser_decoder_select="mdct sinewin"
1499 nellymoser_encoder_select="mdct sinewin"
1500 png_decoder_select="zlib"
1501 png_encoder_select="zlib"
1502 qcelp_decoder_select="lsp"
1503 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1504 ra_144_encoder_select="lpc"
1505 ralf_decoder_select="golomb"
1506 rv10_decoder_select="h263_decoder"
1507 rv10_encoder_select="h263_encoder"
1508 rv20_decoder_select="h263_decoder"
1509 rv20_encoder_select="h263_encoder"
1510 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1511 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1512 shorten_decoder_select="golomb"
1513 sipr_decoder_select="lsp"
1514 snow_decoder_select="dwt"
1515 snow_encoder_select="aandct dwt"
1516 sonic_decoder_select="golomb"
1517 sonic_encoder_select="golomb"
1518 sonic_ls_encoder_select="golomb"
1519 svq1_encoder_select="aandct"
1520 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1521 svq3_decoder_suggest="zlib"
1522 theora_decoder_select="vp3_decoder"
1523 tiff_decoder_suggest="zlib"
1524 tiff_encoder_suggest="zlib"
1525 truehd_decoder_select="mlp_decoder"
1526 tscc_decoder_select="zlib"
1527 twinvq_decoder_select="mdct lsp sinewin"
1528 vc1_crystalhd_decoder_select="crystalhd"
1529 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1530 vc1_dxva2_hwaccel_deps="dxva2api_h"
1531 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1532 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1533 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1534 vc1image_decoder_select="vc1_decoder"
1535 vorbis_decoder_select="mdct"
1536 vorbis_encoder_select="mdct"
1537 vp6_decoder_select="huffman"
1538 vp6a_decoder_select="vp6_decoder"
1539 vp6f_decoder_select="vp6_decoder"
1540 vp8_decoder_select="h264pred h264qpel"
1541 wmapro_decoder_select="mdct sinewin"
1542 wmav1_decoder_select="mdct sinewin"
1543 wmav1_encoder_select="mdct sinewin"
1544 wmav2_decoder_select="mdct sinewin"
1545 wmav2_encoder_select="mdct sinewin"
1546 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1547 wmv1_decoder_select="h263_decoder"
1548 wmv1_encoder_select="h263_encoder"
1549 wmv2_decoder_select="h263_decoder"
1550 wmv2_encoder_select="h263_encoder"
1551 wmv3_decoder_select="vc1_decoder"
1552 wmv3_crystalhd_decoder_select="crystalhd"
1553 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1554 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1555 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1556 wmv3image_decoder_select="wmv3_decoder"
1557 zerocodec_decoder_select="zlib"
1558 zlib_decoder_select="zlib"
1559 zlib_encoder_select="zlib"
1560 zmbv_decoder_select="zlib"
1561 zmbv_encoder_select="zlib"
1562
1563 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1564 vaapi_deps="va_va_h"
1565 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1566 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1567
1568 # parsers
1569 h264_parser_select="golomb h264dsp h264pred"
1570
1571 # external libraries
1572 libaacplus_encoder_deps="libaacplus"
1573 libcelt_decoder_deps="libcelt"
1574 libfaac_encoder_deps="libfaac"
1575 libgsm_decoder_deps="libgsm"
1576 libgsm_encoder_deps="libgsm"
1577 libgsm_ms_decoder_deps="libgsm"
1578 libgsm_ms_encoder_deps="libgsm"
1579 libmodplug_demuxer_deps="libmodplug"
1580 libmp3lame_encoder_deps="libmp3lame"
1581 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1582 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1583 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1584 libopenjpeg_decoder_deps="libopenjpeg"
1585 libopenjpeg_encoder_deps="libopenjpeg"
1586 libschroedinger_decoder_deps="libschroedinger"
1587 libschroedinger_encoder_deps="libschroedinger"
1588 libspeex_decoder_deps="libspeex"
1589 libspeex_encoder_deps="libspeex"
1590 libstagefright_h264_decoder_deps="libstagefright_h264"
1591 libtheora_encoder_deps="libtheora"
1592 libvo_aacenc_encoder_deps="libvo_aacenc"
1593 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1594 libvorbis_decoder_deps="libvorbis"
1595 libvorbis_encoder_deps="libvorbis"
1596 libvpx_decoder_deps="libvpx"
1597 libvpx_encoder_deps="libvpx"
1598 libx264_encoder_deps="libx264"
1599 libx264rgb_encoder_deps="libx264"
1600 libxavs_encoder_deps="libxavs"
1601 libxvid_encoder_deps="libxvid"
1602 libutvideo_decoder_deps="libutvideo"
1603 libutvideo_encoder_deps="libutvideo"
1604
1605 # demuxers / muxers
1606 ac3_demuxer_select="ac3_parser"
1607 asf_stream_muxer_select="asf_muxer"
1608 avisynth_demuxer_deps="avisynth"
1609 dirac_demuxer_select="dirac_parser"
1610 eac3_demuxer_select="ac3_parser"
1611 flac_demuxer_select="flac_parser"
1612 ipod_muxer_select="mov_muxer"
1613 libnut_demuxer_deps="libnut"
1614 libnut_muxer_deps="libnut"
1615 matroska_audio_muxer_select="matroska_muxer"
1616 matroska_demuxer_suggest="zlib bzlib"
1617 mov_demuxer_suggest="zlib"
1618 mp3_demuxer_select="mpegaudio_parser"
1619 mp4_muxer_select="mov_muxer"
1620 mpegts_muxer_select="adts_muxer latm_muxer"
1621 mpegtsraw_demuxer_select="mpegts_demuxer"
1622 mxf_d10_muxer_select="mxf_muxer"
1623 ogg_demuxer_select="golomb"
1624 psp_muxer_select="mov_muxer"
1625 rtp_demuxer_select="sdp_demuxer"
1626 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1627 rtsp_demuxer_select="http_protocol rtpdec"
1628 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1629 sap_demuxer_select="sdp_demuxer"
1630 sap_muxer_select="rtp_muxer rtp_protocol"
1631 sdp_demuxer_select="rtpdec"
1632 spdif_muxer_select="aac_parser"
1633 tg2_muxer_select="mov_muxer"
1634 tgp_muxer_select="mov_muxer"
1635 w64_demuxer_deps="wav_demuxer"
1636
1637 # indevs / outdevs
1638 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1639 alsa_outdev_deps="alsa_asoundlib_h"
1640 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1641 dshow_indev_deps="IBaseFilter"
1642 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1643 dv1394_indev_deps="dv1394 dv_demuxer"
1644 fbdev_indev_deps="linux_fb_h"
1645 jack_indev_deps="jack_jack_h sem_timedwait"
1646 lavfi_indev_deps="avfilter"
1647 libcdio_indev_deps="libcdio"
1648 libdc1394_indev_deps="libdc1394"
1649 libv4l2_indev_deps="libv4l2"
1650 openal_indev_deps="openal"
1651 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1652 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1653 pulse_indev_deps="libpulse"
1654 sdl_outdev_deps="sdl"
1655 sndio_indev_deps="sndio_h"
1656 sndio_outdev_deps="sndio_h"
1657 v4l_indev_deps="linux_videodev_h"
1658 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1659 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1660 vfwcap_indev_extralibs="-lavicap32"
1661 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1662
1663 # protocols
1664 bluray_protocol_deps="libbluray"
1665 gopher_protocol_deps="network"
1666 httpproxy_protocol_deps="network"
1667 httpproxy_protocol_select="tcp_protocol"
1668 http_protocol_deps="network"
1669 http_protocol_select="tcp_protocol"
1670 https_protocol_select="tls_protocol"
1671 librtmp_protocol_deps="librtmp"
1672 librtmpe_protocol_deps="librtmp"
1673 librtmps_protocol_deps="librtmp"
1674 librtmpt_protocol_deps="librtmp"
1675 librtmpte_protocol_deps="librtmp"
1676 mmsh_protocol_select="http_protocol"
1677 mmst_protocol_deps="network"
1678 rtmp_protocol_deps="!librtmp_protocol"
1679 rtmp_protocol_select="tcp_protocol"
1680 rtp_protocol_select="udp_protocol"
1681 sctp_protocol_deps="network netinet_sctp_h"
1682 tcp_protocol_deps="network"
1683 tls_protocol_deps_any="openssl gnutls"
1684 tls_protocol_select="tcp_protocol"
1685 udp_protocol_deps="network"
1686
1687 # filters
1688 aconvert_filter_deps="swresample"
1689 amovie_filter_deps="avcodec avformat"
1690 aresample_filter_deps="swresample"
1691 ass_filter_deps="libass"
1692 asyncts_filter_deps="avresample"
1693 blackframe_filter_deps="gpl"
1694 boxblur_filter_deps="gpl"
1695 colormatrix_filter_deps="gpl"
1696 cropdetect_filter_deps="gpl"
1697 delogo_filter_deps="gpl"
1698 deshake_filter_deps="avcodec"
1699 drawtext_filter_deps="libfreetype"
1700 frei0r_filter_deps="frei0r dlopen"
1701 frei0r_filter_extralibs='$ldl'
1702 frei0r_src_filter_deps="frei0r dlopen"
1703 frei0r_src_filter_extralibs='$ldl'
1704 hqdn3d_filter_deps="gpl"
1705 movie_filter_deps="avcodec avformat"
1706 mp_filter_deps="gpl avcodec swscale postproc"
1707 mptestsrc_filter_deps="gpl"
1708 negate_filter_deps="lut_filter"
1709 resample_filter_deps="avresample"
1710 ocv_filter_deps="libopencv"
1711 pan_filter_deps="swresample"
1712 removelogo_filter_deps="avcodec avformat swscale"
1713 scale_filter_deps="swscale"
1714 select_filter_deps="avcodec"
1715 super2xsai_filter_deps="gpl"
1716 tinterlace_filter_deps="gpl"
1717 yadif_filter_deps="gpl"
1718
1719 # libraries
1720 avdevice_deps="avcodec avformat"
1721 avfilter_deps="swscale"
1722 avformat_deps="avcodec"
1723 postproc_deps="gpl"
1724
1725 # programs
1726 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1727 ffmpeg_select="buffersink_filter format_filter aformat_filter
1728                setpts_filter null_filter anull_filter"
1729 ffplay_deps="avcodec avformat swscale swresample sdl"
1730 ffplay_select="buffersink_filter rdft"
1731 ffprobe_deps="avcodec avformat"
1732 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1733 ffserver_extralibs='$ldl'
1734
1735 doc_deps="texi2html"
1736
1737 # tests
1738
1739 test_deps(){
1740     suf1=$1
1741     suf2=$2
1742     shift 2
1743     for v; do
1744         dep=${v%=*}
1745         tests=${v#*=}
1746         for name in ${tests}; do
1747             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1748         done
1749     done
1750 }
1751
1752 mxf_d10_test_deps="avfilter"
1753 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1754
1755 test_deps _muxer _demuxer                                               \
1756     aiff                                                                \
1757     pcm_alaw=alaw                                                       \
1758     asf                                                                 \
1759     au                                                                  \
1760     avi                                                                 \
1761     dv=dv_fmt                                                           \
1762     ffm                                                                 \
1763     flv=flv_fmt                                                         \
1764     gxf                                                                 \
1765     matroska=mkv                                                        \
1766     mmf                                                                 \
1767     mov="mov ismv"                                                      \
1768     pcm_mulaw=mulaw                                                     \
1769     mxf="mxf mxf_d10"                                                   \
1770     nut                                                                 \
1771     ogg="ogg ogg_vp3"                                                   \
1772     rawvideo=pixfmt                                                     \
1773     rm                                                                  \
1774     swf                                                                 \
1775     mpegts=ts                                                           \
1776     voc                                                                 \
1777     wav                                                                 \
1778     yuv4mpegpipe=yuv4mpeg                                               \
1779
1780 colormatrix1_test_deps="colormatrix_filter"
1781 colormatrix2_test_deps="colormatrix_filter"
1782 flashsv2_test_deps="zlib"
1783 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1784 mpng_test_deps="zlib"
1785 pp_test_deps="mp_filter"
1786 pp2_test_deps="mp_filter"
1787 pp3_test_deps="mp_filter"
1788 pp4_test_deps="mp_filter"
1789 pp5_test_deps="mp_filter"
1790 pp6_test_deps="mp_filter"
1791 zlib_test_deps="zlib"
1792 zmbv_test_deps="zlib"
1793
1794 # default parameters
1795
1796 logfile="config.log"
1797
1798 # installation paths
1799 prefix_default="/usr/local"
1800 bindir_default='${prefix}/bin'
1801 datadir_default='${prefix}/share/ffmpeg'
1802 incdir_default='${prefix}/include'
1803 libdir_default='${prefix}/lib'
1804 mandir_default='${prefix}/share/man'
1805 shlibdir_default="$libdir_default"
1806 postproc_version_default="current"
1807
1808 # toolchain
1809 ar_default="ar"
1810 cc_default="gcc"
1811 cxx_default="g++"
1812 cc_version=\"unknown\"
1813 host_cc_default="gcc"
1814 install="install"
1815 ln_s="ln -sf"
1816 nm_default="nm"
1817 objformat="elf"
1818 pkg_config_default=pkg-config
1819 ranlib="ranlib"
1820 strip_default="strip"
1821 yasmexe_default="yasm"
1822
1823 nm_opts='-g'
1824 nogas=":"
1825
1826 # machine
1827 arch_default=$(uname -m)
1828 cpu="generic"
1829
1830 # OS
1831 target_os_default=$(tolower $(uname -s))
1832 host_os=$target_os_default
1833
1834 # alternative libpostproc version
1835 ALT_PP_VER_MAJOR=51
1836 ALT_PP_VER_MINOR=2
1837 ALT_PP_VER_MICRO=101
1838 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1839
1840 # configurable options
1841 enable $PROGRAM_LIST
1842
1843 enable avcodec
1844 enable avdevice
1845 enable avfilter
1846 enable avformat
1847 enable avutil
1848 enable postproc
1849 enable stripping
1850 enable swresample
1851 enable swscale
1852
1853 enable asm
1854 enable debug
1855 enable doc
1856 enable fastdiv
1857 enable network
1858 enable optimizations
1859 enable safe_bitstream_reader
1860 enable static
1861 enable swscale_alpha
1862
1863 # build settings
1864 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1865 FFSERVERLDFLAGS=-Wl,-E
1866 LIBPREF="lib"
1867 LIBSUF=".a"
1868 FULLNAME='$(NAME)$(BUILDSUF)'
1869 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1870 SLIBPREF="lib"
1871 SLIBSUF=".so"
1872 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1873 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1874 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1875 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1876 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1877 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1878
1879 AS_O='-o $@'
1880 CC_O='-o $@'
1881 CXX_O='-o $@'
1882
1883 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1884 host_libs='-lm'
1885
1886 target_path='$(CURDIR)'
1887
1888 # since the object filename is not given with the -MM flag, the compiler
1889 # is only able to print the basename, and we must add the path ourselves
1890 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1891 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1892
1893 # find source path
1894 if test -f configure; then
1895     source_path=.
1896 else
1897     source_path=$(cd $(dirname "$0"); pwd)
1898     echo "$source_path" | grep -q '[[:blank:]]' &&
1899         die "Out of tree builds are impossible with whitespace in source path."
1900     test -e "$source_path/config.h" &&
1901         die "Out of tree builds are impossible with config.h in source dir."
1902 fi
1903
1904 for v in "$@"; do
1905     r=${v#*=}
1906     l=${v%"$r"}
1907     r=$(sh_quote "$r")
1908     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1909 done
1910
1911 find_things(){
1912     thing=$1
1913     pattern=$2
1914     file=$source_path/$3
1915     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1916 }
1917
1918 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1919 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1920 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1921 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1922 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1923 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1924 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1925 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1926 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1927 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1928 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1929
1930 ALL_COMPONENTS="
1931     $BSF_LIST
1932     $DECODER_LIST
1933     $DEMUXER_LIST
1934     $ENCODER_LIST
1935     $FILTER_LIST
1936     $HWACCEL_LIST
1937     $INDEV_LIST
1938     $MUXER_LIST
1939     $OUTDEV_LIST
1940     $PARSER_LIST
1941     $PROTOCOL_LIST
1942 "
1943
1944 find_tests(){
1945     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1946 }
1947
1948 LAVF_FATE_TESTS=$(find_tests lavf-fate)
1949 LAVF_TESTS=$(find_tests lavf)
1950 LAVFI_TESTS=$(find_tests lavfi)
1951 SEEK_TESTS=$(find_tests seek seek_)
1952
1953 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1954
1955 for n in $COMPONENT_LIST; do
1956     v=$(toupper ${n%s})_LIST
1957     eval enable \$$v
1958     eval ${n}_if_any="\$$v"
1959 done
1960
1961 enable $ARCH_EXT_LIST $ALL_TESTS
1962
1963 die_unknown(){
1964     echo "Unknown option \"$1\"."
1965     echo "See $0 --help for available options."
1966     exit 1
1967 }
1968
1969 show_list() {
1970     suffix=_$1
1971     shift
1972     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1973     exit 0
1974 }
1975
1976 rand_list(){
1977     IFS=', '
1978     set -- $*
1979     unset IFS
1980     for thing; do
1981         comp=${thing%:*}
1982         prob=${thing#$comp}
1983         prob=${prob#:}
1984         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1985         echo "prob ${prob:-0.5}"
1986         printf '%s\n' $comp
1987     done
1988 }
1989
1990 do_random(){
1991     action=$1
1992     shift
1993     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1994     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1995 }
1996
1997 for opt do
1998     optval="${opt#*=}"
1999     case "$opt" in
2000     --extra-ldflags=*) add_ldflags $optval
2001     ;;
2002     --extra-libs=*) add_extralibs $optval
2003     ;;
2004     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2005     ;;
2006     --enable-debug=*) debuglevel="$optval"
2007     ;;
2008     --disable-everything)
2009     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2010     ;;
2011     --enable-random|--disable-random)
2012     action=${opt%%-random}
2013     do_random ${action#--} $COMPONENT_LIST
2014     ;;
2015     --enable-random=*|--disable-random=*)
2016     action=${opt%%-random=*}
2017     do_random ${action#--} $optval
2018     ;;
2019     --enable-*=*|--disable-*=*)
2020     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2021     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2022     eval list=\$$(toupper $thing)_LIST
2023     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2024     $action $(filter "$name" $list)
2025     ;;
2026     --enable-?*|--disable-?*)
2027     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2028     if is_in $option $COMPONENT_LIST; then
2029         test $action = disable && action=unset
2030         eval $action \$$(toupper ${option%s})_LIST
2031     elif is_in $option $CMDLINE_SELECT; then
2032         $action $option
2033     else
2034         die_unknown $opt
2035     fi
2036     ;;
2037     --list-*)
2038         NAME="${opt#--list-}"
2039         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2040         NAME=${NAME%s}
2041         eval show_list $NAME \$$(toupper $NAME)_LIST
2042     ;;
2043     --help|-h) show_help
2044     ;;
2045     *)
2046     optname="${opt%%=*}"
2047     optname="${optname#--}"
2048     optname=$(echo "$optname" | sed 's/-/_/g')
2049     if is_in $optname $CMDLINE_SET; then
2050         eval $optname='$optval'
2051     elif is_in $optname $CMDLINE_APPEND; then
2052         append $optname "$optval"
2053     else
2054          die_unknown $opt
2055     fi
2056     ;;
2057     esac
2058 done
2059
2060 disabled logging && logfile=/dev/null
2061
2062 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2063 set >> $logfile
2064
2065 test -n "$cross_prefix" && enable cross_compile
2066
2067 if enabled cross_compile; then
2068     test -n "$arch" && test -n "$target_os" ||
2069         die "Must specify target arch and OS when cross-compiling"
2070 fi
2071
2072 set_default arch target_os postproc_version
2073
2074 # Check if we should build alternative libpostproc version instead of current
2075 if   test "$postproc_version" = $ALT_PP_VER; then
2076   LIBPOSTPROC_VERSION=$ALT_PP_VER
2077   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2078   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2079   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2080 elif test "$postproc_version" != current; then
2081   die "Invalid argument to --postproc-version. See --help output."
2082 fi
2083
2084 ar_default="${cross_prefix}${ar_default}"
2085 cc_default="${cross_prefix}${cc_default}"
2086 cxx_default="${cross_prefix}${cxx_default}"
2087 nm_default="${cross_prefix}${nm_default}"
2088 pkg_config_default="${cross_prefix}${pkg_config_default}"
2089 ranlib="${cross_prefix}${ranlib}"
2090 strip_default="${cross_prefix}${strip_default}"
2091
2092 sysinclude_default="${sysroot}/usr/include"
2093
2094 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2095 enabled cross_compile || host_cc_default=$cc
2096 set_default host_cc
2097
2098 if ! $pkg_config --version >/dev/null 2>&1; then
2099     warn "$pkg_config not found, library detection may fail."
2100     pkg_config=false
2101 fi
2102
2103 exesuf() {
2104     case $1 in
2105         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2106     esac
2107 }
2108
2109 EXESUF=$(exesuf $target_os)
2110 HOSTEXESUF=$(exesuf $host_os)
2111
2112 # set temporary file name
2113 : ${TMPDIR:=$TEMPDIR}
2114 : ${TMPDIR:=$TMP}
2115 : ${TMPDIR:=/tmp}
2116
2117 if ! check_cmd mktemp -u XXXXXX; then
2118     # simple replacement for missing mktemp
2119     # NOT SAFE FOR GENERAL USE
2120     mktemp(){
2121         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2122     }
2123 fi
2124
2125 tmpfile(){
2126     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2127         (set -C; exec > $tmp) 2>/dev/null ||
2128         die "Unable to create temporary file in $TMPDIR."
2129     append TMPFILES $tmp
2130     eval $1=$tmp
2131 }
2132
2133 trap 'rm -f -- $TMPFILES' EXIT
2134
2135 tmpfile TMPASM .asm
2136 tmpfile TMPC   .c
2137 tmpfile TMPCPP .cpp
2138 tmpfile TMPE   $EXESUF
2139 tmpfile TMPH   .h
2140 tmpfile TMPO   .o
2141 tmpfile TMPS   .S
2142 tmpfile TMPSH  .sh
2143 tmpfile TMPV   .ver
2144
2145 unset -f mktemp
2146
2147 chmod +x $TMPE
2148
2149 # make sure we can execute files in $TMPDIR
2150 cat > $TMPSH 2>> $logfile <<EOF
2151 #! /bin/sh
2152 EOF
2153 chmod +x $TMPSH >> $logfile 2>&1
2154 if ! $TMPSH >> $logfile 2>&1; then
2155     cat <<EOF
2156 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2157 variable to another directory and make sure that it is not mounted noexec.
2158 EOF
2159     die "Sanity test failed."
2160 fi
2161
2162 filter_asflags=echo
2163 filter_cflags=echo
2164 filter_cppflags=echo
2165
2166 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2167     cc_type=llvm_gcc
2168     cc_version=__VERSION__
2169     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2170     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2171     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2172     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2173     speed_cflags='-O3'
2174     size_cflags='-Os'
2175 elif $cc -v 2>&1 | grep -qi ^gcc; then
2176     cc_type=gcc
2177     cc_version=__VERSION__
2178     gcc_version=$($cc --version | head -n1)
2179     gcc_basever=$($cc -dumpversion)
2180     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2181     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2182     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2183     if ! $cc -dumpversion | grep -q '^2\.'; then
2184         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2185         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2186     fi
2187     speed_cflags='-O3'
2188     size_cflags='-Os'
2189 elif $cc --version 2>/dev/null | grep -q Intel; then
2190     cc_type=icc
2191     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2192     cc_ident=$($cc --version | head -n1)
2193     icc_version=$($cc -dumpversion)
2194     CC_DEPFLAGS='-MMD'
2195     AS_DEPFLAGS='-MMD'
2196     speed_cflags='-O3'
2197     size_cflags='-Os'
2198     noopt_cflags='-O1'
2199 elif $cc -v 2>&1 | grep -q xlc; then
2200     cc_type=xlc
2201     cc_version="AV_STRINGIFY(__IBMC__)"
2202     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2203     speed_cflags='-O5'
2204     size_cflags='-O5 -qcompact'
2205 elif $cc -V 2>/dev/null | grep -q Compaq; then
2206     cc_type=ccc
2207     cc_version="AV_STRINGIFY(__DECC_VER)"
2208     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2209     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2210     debuglevel=3
2211     add_ldflags -Wl,-z,now # calls to libots crash without this
2212     speed_cflags='-fast'
2213     size_cflags='-O1'
2214 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2215     test -d "$sysroot" || die "No valid sysroot specified."
2216     cc_type=armcc
2217     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2218     cc_ident=$($cc --vsn | head -n1)
2219     armcc_conf="$PWD/armcc.conf"
2220     $cc --arm_linux_configure                 \
2221         --arm_linux_config_file="$armcc_conf" \
2222         --configure_sysroot="$sysroot"        \
2223         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2224         die "Error creating armcc configuration file."
2225     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2226     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2227     as_default="${cross_prefix}gcc"
2228     CC_DEPFLAGS='-MMD'
2229     AS_DEPFLAGS='-MMD'
2230     speed_cflags='-O3'
2231     size_cflags='-Os'
2232     filter_asflags="filter_out -W${armcc_opt}*"
2233 elif $cc -version 2>/dev/null | grep -q TMS470; then
2234     cc_type=tms470
2235     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2236     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2237     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2238     CC_O='-fr=$(@D)'
2239     as_default="${cross_prefix}gcc"
2240     ld_default="${cross_prefix}gcc"
2241     TMPO=$(basename $TMPC .c).o
2242     append TMPFILES $TMPO
2243     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2244     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2245     AS_DEPFLAGS='-MMD'
2246     speed_cflags='-O3 -mf=5'
2247     size_cflags='-O3 -mf=2'
2248     filter_cflags=tms470_flags
2249     tms470_flags(){
2250         for flag; do
2251             case $flag in
2252                 -march=*|-mcpu=*)
2253                     case "${flag#*=}" in
2254                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2255                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2256                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2257                         armv6*|arm11*)          echo -mv=6   ;;
2258                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2259                                                 echo -mv=5e  ;;
2260                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2261                     esac
2262                     ;;
2263                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2264                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2265                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2266                 -msoft-float)   echo --float_support=vfplib       ;;
2267                 -O[0-3]|-mf=*)  echo $flag                        ;;
2268                 -g)             echo -g -mn                       ;;
2269                 -pds=*)         echo $flag                        ;;
2270             esac
2271         done
2272     }
2273 elif $cc -v 2>&1 | grep -q clang; then
2274     cc_type=clang
2275     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2276         cc_version=__clang_version__ || cc_version=__VERSION__
2277     cc_ident=$($cc --version | head -n1)
2278     CC_DEPFLAGS='-MMD'
2279     AS_DEPFLAGS='-MMD'
2280     speed_cflags='-O3'
2281     size_cflags='-Os'
2282 elif $cc -V 2>&1 | grep -q Sun; then
2283     cc_type=suncc
2284     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2285     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2286     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2287     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2288     add_ldflags -xc99
2289     speed_cflags='-O5'
2290     size_cflags='-O5 -xspace'
2291     filter_cflags=suncc_flags
2292     suncc_flags(){
2293         for flag; do
2294             case $flag in
2295                 -march=*|-mcpu=*)
2296                     case "${flag#*=}" in
2297                         native)                   echo -xtarget=native       ;;
2298                         v9|niagara)               echo -xarch=sparc          ;;
2299                         ultrasparc)               echo -xarch=sparcvis       ;;
2300                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2301                         i586|pentium)             echo -xchip=pentium        ;;
2302                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2303                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2304                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2305                         pentium4*)          echo -xtarget=pentium4           ;;
2306                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2307                         *-sse3)             echo -xarch=sse3                 ;;
2308                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2309                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2310                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2311                         k8|opteron|athlon64|athlon-fx)
2312                                                   echo -xarch=sse2a          ;;
2313                         athlon*)                  echo -xarch=pentium_proa   ;;
2314                     esac
2315                     ;;
2316                 -std=c99)             echo -xc99              ;;
2317                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2318                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2319                 -W*,*)                echo $flag              ;;
2320                 -f*-*|-W*)                                    ;;
2321                 *)                    echo $flag              ;;
2322             esac
2323         done
2324     }
2325 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2326     cc_type=pathscale
2327     cc_version=__PATHSCALE__
2328     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2329     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2330     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2331     speed_cflags='-O2'
2332     size_cflags='-Os'
2333     filter_cflags='filter_out -Wdisabled-optimization'
2334 elif $cc -v 2>&1 | grep -q Open64; then
2335     cc_type=open64
2336     cc_version=__OPEN64__
2337     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2338     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2339     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2340     speed_cflags='-O2'
2341     size_cflags='-Os'
2342     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2343 elif $cc -V 2>&1 | grep -q Portland; then
2344     cc_type=pgi
2345     cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2346     cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2347     opt_common='-alias=ansi -Mlre -Mpre'
2348     speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2349     size_cflags="-O2 -Munroll=c:1 $opt_common"
2350     noopt_cflags="-O1"
2351     filter_cflags=pgi_flags
2352     pgi_flags(){
2353         for flag; do
2354             case $flag in
2355                 -fomit-frame-pointer) echo -Mnoframe ;;
2356                 -g)                   echo -gopt ;;
2357                 *)                    echo $flag ;;
2358             esac
2359         done
2360     }
2361 fi
2362
2363 test -n "$cc_type" && enable $cc_type ||
2364     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2365
2366 : ${as_default:=$cc}
2367 : ${dep_cc_default:=$cc}
2368 : ${ld_default:=$cc}
2369 set_default ar as dep_cc ld
2370
2371 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2372 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2373 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2374
2375 add_cflags $extra_cflags
2376 add_cxxflags $extra_cxxflags
2377 add_asflags $extra_cflags
2378
2379 if test -n "$sysroot"; then
2380     case "$cc_type" in
2381         gcc|llvm_gcc|clang)
2382             add_cppflags --sysroot="$sysroot"
2383             add_ldflags --sysroot="$sysroot"
2384         ;;
2385         tms470)
2386             add_cppflags -I"$sysinclude"
2387             add_ldflags  --sysroot="$sysroot"
2388         ;;
2389     esac
2390 fi
2391
2392 if test "$cpu" = host; then
2393     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2394
2395     case "$cc_type" in
2396         gcc|llvm_gcc)
2397             check_native(){
2398                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2399                 sed -n "/cc1.*$1=/{
2400                             s/.*$1=\\([^ ]*\\).*/\\1/
2401                             p
2402                             q
2403                         }" $TMPE
2404             }
2405             cpu=$(check_native -march || check_native -mcpu)
2406         ;;
2407     esac
2408
2409     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2410 fi
2411
2412 # Deal with common $arch aliases
2413 case "$arch" in
2414     arm*|iPad*)
2415         arch="arm"
2416     ;;
2417     mips|mipsel|IP*)
2418         arch="mips"
2419     ;;
2420     mips64*)
2421         arch="mips"
2422         subarch="mips64"
2423     ;;
2424     parisc|hppa)
2425         arch="parisc"
2426     ;;
2427     parisc64|hppa64)
2428         arch="parisc"
2429         subarch="parisc64"
2430     ;;
2431     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2432         arch="ppc"
2433     ;;
2434     s390|s390x)
2435         arch="s390"
2436     ;;
2437     sh4|sh)
2438         arch="sh4"
2439     ;;
2440     sun4u|sparc64)
2441         arch="sparc"
2442         subarch="sparc64"
2443     ;;
2444     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2445         arch="x86"
2446     ;;
2447 esac
2448
2449 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2450 enable $arch
2451
2452 # Add processor-specific flags
2453 if test "$cpu" = generic; then
2454     : do nothing
2455 elif enabled ppc; then
2456
2457     case $(tolower $cpu) in
2458         601|ppc601|powerpc601)
2459             cpuflags="-mcpu=601"
2460             disable altivec
2461         ;;
2462         603*|ppc603*|powerpc603*)
2463             cpuflags="-mcpu=603"
2464             disable altivec
2465         ;;
2466         604*|ppc604*|powerpc604*)
2467             cpuflags="-mcpu=604"
2468             disable altivec
2469         ;;
2470         g3|75*|ppc75*|powerpc75*)
2471             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2472             disable altivec
2473         ;;
2474         g4|745*|ppc745*|powerpc745*)
2475             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2476         ;;
2477         74*|ppc74*|powerpc74*)
2478             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2479         ;;
2480         g5|970|ppc970|powerpc970)
2481             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2482         ;;
2483         power[3-7]*)
2484             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2485         ;;
2486         cell)
2487             cpuflags="-mcpu=cell"
2488             enable ldbrx
2489         ;;
2490         e500v2)
2491             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2492             disable altivec
2493         ;;
2494         e500)
2495             cpuflags="-mcpu=8540 -mhard-float"
2496             disable altivec
2497         ;;
2498     esac
2499
2500 elif enabled x86; then
2501
2502     case $cpu in
2503         i[345]86|pentium)
2504             cpuflags="-march=$cpu"
2505             disable mmx
2506         ;;
2507         # targets that do NOT support conditional mov (cmov)
2508         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2509             cpuflags="-march=$cpu"
2510             disable cmov
2511         ;;
2512         # targets that do support conditional mov (cmov)
2513         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2514             cpuflags="-march=$cpu"
2515             enable cmov
2516             enable fast_cmov
2517         ;;
2518         # targets that do support conditional mov but on which it's slow
2519         pentium4|pentium4m|prescott|nocona)
2520             cpuflags="-march=$cpu"
2521             enable cmov
2522             disable fast_cmov
2523         ;;
2524     esac
2525
2526 elif enabled sparc; then
2527
2528     case $cpu in
2529         niagara)
2530             cpuflags="-mcpu=$cpu"
2531             disable vis
2532         ;;
2533         sparc64)
2534             cpuflags="-mcpu=v9"
2535         ;;
2536     esac
2537
2538 elif enabled arm; then
2539
2540     case $cpu in
2541         armv*)
2542             cpuflags="-march=$cpu"
2543             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2544         ;;
2545         *)
2546             cpuflags="-mcpu=$cpu"
2547             case $cpu in
2548                 cortex-a*)                               subarch=armv7a  ;;
2549                 cortex-r*)                               subarch=armv7r  ;;
2550                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2551                 arm11*)                                  subarch=armv6   ;;
2552                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2553                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2554             esac
2555         ;;
2556     esac
2557
2558 elif enabled alpha; then
2559
2560     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2561
2562 elif enabled bfin; then
2563
2564     cpuflags="-mcpu=$cpu"
2565
2566 elif enabled mips; then
2567
2568     cpuflags="-march=$cpu"
2569
2570 elif enabled avr32; then
2571
2572     case $cpu in
2573         ap7[02]0[0-2])
2574             subarch="avr32_ap"
2575             cpuflags="-mpart=$cpu"
2576         ;;
2577         ap)
2578             subarch="avr32_ap"
2579             cpuflags="-march=$cpu"
2580         ;;
2581         uc3[ab]*)
2582             subarch="avr32_uc"
2583             cpuflags="-mcpu=$cpu"
2584         ;;
2585         uc)
2586             subarch="avr32_uc"
2587             cpuflags="-march=$cpu"
2588         ;;
2589     esac
2590
2591 fi
2592
2593 add_cflags $cpuflags
2594 add_asflags $cpuflags
2595
2596 # compiler sanity check
2597 check_exec <<EOF
2598 int main(void){ return 0; }
2599 EOF
2600 if test "$?" != 0; then
2601     echo "$cc is unable to create an executable file."
2602     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2603         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2604         echo "Only do this if you know what cross compiling means."
2605     fi
2606     die "C compiler test failed."
2607 fi
2608
2609 add_cppflags -D_ISOC99_SOURCE
2610 add_cxxflags -D__STDC_CONSTANT_MACROS
2611 check_cflags -std=c99
2612 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2613 #include <stdlib.h>
2614 EOF
2615 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2616 #include <stdlib.h>
2617 EOF
2618
2619 check_host_cflags -std=c99
2620 check_host_cflags -Wall
2621
2622 case "$arch" in
2623     alpha|ia64|mips|parisc|sparc)
2624         spic=$shared
2625     ;;
2626     x86)
2627         subarch="x86_32"
2628         check_cc <<EOF && subarch="x86_64"
2629         int test[(int)sizeof(char*) - 7];
2630 EOF
2631         if test "$subarch" = "x86_64"; then
2632             spic=$shared
2633         fi
2634     ;;
2635     ppc)
2636         check_cc <<EOF && subarch="ppc64"
2637         int test[(int)sizeof(char*) - 7];
2638 EOF
2639     ;;
2640 esac
2641
2642 enable $subarch
2643 enabled spic && enable pic
2644
2645 # OS specific
2646 case $target_os in
2647     haiku)
2648         prefix_default="/boot/common"
2649         network_extralibs="-lnetwork"
2650         host_libs=
2651         ;;
2652     sunos)
2653         FFSERVERLDFLAGS=""
2654         SHFLAGS='-shared -Wl,-h,$$(@F)'
2655         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2656         network_extralibs="-lsocket -lnsl"
2657         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2658         # When using suncc to build, the Solaris linker will mark
2659         # an executable with each instruction set encountered by
2660         # the Solaris assembler.  As our libraries contain their own
2661         # guards for processor-specific code, instead suppress
2662         # generation of the HWCAPS ELF section on Solaris x86 only.
2663         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2664         nm_opts='-P -g'
2665         ;;
2666     netbsd)
2667         disable symver
2668         oss_indev_extralibs="-lossaudio"
2669         oss_outdev_extralibs="-lossaudio"
2670         ;;
2671     openbsd)
2672         # On OpenBSD 4.5. the compiler does not use PIC unless
2673         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2674         # however the generated executable will not do anything
2675         # (simply quits with exit-code 1, no crash, no output).
2676         # Thus explicitly enable PIC here.
2677         enable pic
2678         disable symver
2679         SHFLAGS='-shared'
2680         oss_indev_extralibs="-lossaudio"
2681         oss_outdev_extralibs="-lossaudio"
2682         ;;
2683     dragonfly)
2684         disable symver
2685         ;;
2686     freebsd)
2687         ;;
2688     bsd/os)
2689         add_extralibs -lpoll -lgnugetopt
2690         strip="strip -d"
2691         ;;
2692     darwin)
2693         gas="gas-preprocessor.pl $cc"
2694         enabled ppc && add_asflags -force_cpusubtype_ALL
2695         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2696         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2697         strip="${strip} -x"
2698         add_ldflags -Wl,-dynamic,-search_paths_first
2699         SLIBSUF=".dylib"
2700         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2701         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2702         FFSERVERLDFLAGS=-Wl,-bind_at_load
2703         objformat="macho"
2704         enabled x86_64 && objformat="macho64"
2705         enabled_any pic shared ||
2706             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2707         ;;
2708     mingw32*)
2709         if test $target_os = "mingw32ce"; then
2710             disable network
2711         else
2712             target_os=mingw32
2713         fi
2714         LIBTARGET=i386
2715         if enabled x86_64; then
2716             LIBTARGET=x64
2717         elif enabled arm; then
2718             LIBTARGET=arm-wince
2719         fi
2720         shlibdir_default="$bindir_default"
2721         SLIBPREF=""
2722         SLIBSUF=".dll"
2723         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2724         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2725         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2726         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2727         SLIB_INSTALL_LINKS=
2728         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2729         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2730         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'
2731         objformat="win32"
2732         enable dos_paths
2733         check_cflags -fno-common
2734         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2735                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2736                 die "ERROR: MinGW runtime version must be >= 3.15."
2737         add_cppflags -U__STRICT_ANSI__
2738         ;;
2739     cygwin*)
2740         target_os=cygwin
2741         shlibdir_default="$bindir_default"
2742         SLIBPREF="cyg"
2743         SLIBSUF=".dll"
2744         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2745         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2746         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2747         objformat="win32"
2748         enable dos_paths
2749         check_cflags -fno-common
2750         add_cppflags -U__STRICT_ANSI__
2751         ;;
2752     *-dos|freedos|opendos)
2753         network_extralibs="-lsocket"
2754         objformat="coff"
2755         enable dos_paths
2756         add_cppflags -U__STRICT_ANSI__
2757         ;;
2758     linux)
2759         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2760         enable dv1394
2761         ;;
2762     irix*)
2763         target_os=irix
2764         ranlib="echo ignoring ranlib"
2765         ;;
2766     os/2*)
2767         strip="lxlite -CS"
2768         ln_s="cp -f"
2769         objformat="aout"
2770         add_cppflags -D_GNU_SOURCE
2771         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2772         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2773         FFSERVERLDFLAGS=""
2774         LIBSUF="_s.a"
2775         SLIBPREF=""
2776         SLIBSUF=".dll"
2777         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2778         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2779         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2780           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2781           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2782           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2783           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2784           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2785         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2786           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2787         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2788         enable dos_paths
2789         enable_weak os2threads
2790         ;;
2791     gnu/kfreebsd)
2792         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2793         ;;
2794     gnu)
2795         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2796         ;;
2797     qnx)
2798         add_cppflags -D_QNX_SOURCE
2799         network_extralibs="-lsocket"
2800         ;;
2801     symbian)
2802         SLIBSUF=".dll"
2803         enable dos_paths
2804         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2805         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2806         add_ldflags -Wl,--target1-abs,--no-undefined \
2807                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2808                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2809         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2810                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2811                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2812         ;;
2813     none)
2814         ;;
2815     *)
2816         die "Unknown OS '$target_os'."
2817         ;;
2818 esac
2819
2820 esc(){
2821     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2822 }
2823
2824 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
2825
2826 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2827
2828 set_default $PATHS_LIST
2829
2830 # we need to build at least one lib type
2831 if ! enabled_any static shared; then
2832     cat <<EOF
2833 At least one library type must be built.
2834 Specify --enable-static to build the static libraries or --enable-shared to
2835 build the shared libraries as well. To only build the shared libraries specify
2836 --disable-static in addition to --enable-shared.
2837 EOF
2838     exit 1;
2839 fi
2840
2841 die_license_disabled() {
2842     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2843 }
2844
2845 die_license_disabled_gpl() {
2846     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
2847 }
2848
2849 die_license_disabled gpl libcdio
2850 die_license_disabled gpl libutvideo
2851 die_license_disabled gpl libx264
2852 die_license_disabled gpl libxavs
2853 die_license_disabled gpl libxvid
2854 die_license_disabled gpl x11grab
2855
2856 die_license_disabled nonfree libaacplus
2857 die_license_disabled nonfree libfaac
2858 enabled gpl && die_license_disabled_gpl nonfree openssl
2859
2860 die_license_disabled version3 libopencore_amrnb
2861 die_license_disabled version3 libopencore_amrwb
2862 die_license_disabled version3 libvo_aacenc
2863 die_license_disabled version3 libvo_amrwbenc
2864
2865 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2866
2867 disabled optimizations || check_cflags -fomit-frame-pointer
2868
2869 enable_pic() {
2870     enable pic
2871     add_cppflags -DPIC
2872     add_cflags   -fPIC
2873     add_asflags  -fPIC
2874 }
2875
2876 enabled pic && enable_pic
2877
2878 check_cc <<EOF || die "Symbol mangling check failed."
2879 int ff_extern;
2880 EOF
2881 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2882 extern_prefix=${sym%%ff_extern*}
2883
2884 check_cc <<EOF && enable inline_asm
2885 void foo(void) { __asm__ volatile ("" ::); }
2886 EOF
2887
2888 _restrict=
2889 for restrict_keyword in restrict __restrict__ __restrict; do
2890     check_cc <<EOF && _restrict=$restrict_keyword && break
2891 void foo(char * $restrict_keyword p);
2892 EOF
2893 done
2894
2895 check_cc <<EOF && enable attribute_packed
2896 struct { int x; } __attribute__((packed)) x;
2897 EOF
2898
2899 check_cc <<EOF && enable attribute_may_alias
2900 union { int x; } __attribute__((may_alias)) x;
2901 EOF
2902
2903 check_cc <<EOF || die "endian test failed"
2904 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2905 EOF
2906 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2907
2908 if enabled alpha; then
2909
2910     check_cflags -mieee
2911
2912 elif enabled arm; then
2913
2914     enabled thumb && check_cflags -mthumb || check_cflags -marm
2915     nogas=die
2916
2917     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2918         enable vfp_args
2919     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2920         case "${cross_prefix:-$cc}" in
2921             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2922             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2923 __asm__ (".eabi_attribute 28, 1");
2924 int main(void) { return 0; }
2925 EOF
2926         esac
2927         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2928     fi
2929
2930     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2931     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2932     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2933     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2934     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2935     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2936
2937     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2938
2939     enabled_all armv6t2 shared !pic && enable_pic
2940
2941 elif enabled mips; then
2942
2943     check_asm loongson '"dmult.g $1, $2, $3"'
2944     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2945
2946 elif enabled ppc; then
2947
2948     enable local_aligned_8 local_aligned_16
2949
2950     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2951     check_asm ibm_asm   '"add 0, 0, 0"'
2952     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2953     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2954
2955     # AltiVec flags: The FSF version of GCC differs from the Apple version
2956     if enabled altivec; then
2957         nogas=warn
2958         check_cflags -maltivec -mabi=altivec &&
2959         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2960         check_cflags -faltivec
2961
2962         # check if our compiler supports Motorola AltiVec C API
2963         check_cc <<EOF || disable altivec
2964 $inc_altivec_h
2965 int main(void) {
2966     vector signed int v1, v2, v3;
2967     v1 = vec_add(v2,v3);
2968     return 0;
2969 }
2970 EOF
2971
2972         # check if our compiler supports braces for vector declarations
2973         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2974 $inc_altivec_h
2975 int main (void) { (vector int) {1}; return 0; }
2976 EOF
2977     fi
2978
2979 elif enabled sparc; then
2980
2981     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2982         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2983
2984 elif enabled x86; then
2985
2986     enable local_aligned_8 local_aligned_16
2987
2988     # check whether EBP is available on x86
2989     # As 'i' is stored on the stack, this program will crash
2990     # if the base pointer is used to access it because the
2991     # base pointer is cleared in the inline assembly code.
2992     check_exec_crash <<EOF && enable ebp_available
2993     volatile int i=0;
2994     __asm__ volatile (
2995         "xorl %%ebp, %%ebp"
2996     ::: "%ebp");
2997     return i;
2998 EOF
2999
3000     # check whether EBX is available on x86
3001     check_asm ebx_available '""::"b"(0)' &&
3002         check_asm ebx_available '"":::"%ebx"'
3003
3004     # check whether xmm clobbers are supported
3005     check_asm xmm_clobbers '"":::"%xmm0"'
3006
3007     # check whether binutils is new enough to compile SSSE3/MMX2
3008     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
3009     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
3010
3011     if ! disabled_any asm mmx yasm; then
3012         if check_cmd $yasmexe --version; then
3013             enabled x86_64 && yasm_extra="-m amd64"
3014             yasm_debug="-g dwarf2"
3015         elif check_cmd nasm -v; then
3016             yasmexe=nasm
3017             yasm_debug="-g -F dwarf"
3018             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3019         fi
3020
3021         YASMFLAGS="-f $objformat $yasm_extra"
3022         enabled pic               && append YASMFLAGS "-DPIC"
3023         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3024         case "$objformat" in
3025             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3026         esac
3027
3028         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3029             die "yasm not found, use --disable-yasm for a crippled build"
3030         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3031     fi
3032
3033     case "$cpu" in
3034         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3035             disable fast_clz
3036         ;;
3037     esac
3038
3039 fi
3040
3041 if enabled asm; then
3042     as=${gas:=$as}
3043     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3044         $nogas "GNU assembler not found, install gas-preprocessor"
3045 fi
3046
3047 check_ldflags -Wl,--as-needed
3048
3049 if check_func dlopen; then
3050     ldl=
3051 elif check_func dlopen -ldl; then
3052     ldl=-ldl
3053 fi
3054
3055 if enabled network; then
3056     check_type "sys/types.h sys/socket.h" socklen_t
3057     check_type netdb.h "struct addrinfo"
3058     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3059     check_type netinet/in.h "struct sockaddr_in6"
3060     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3061     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3062     check_header netinet/sctp.h
3063     # Prefer arpa/inet.h over winsock2
3064     if check_header arpa/inet.h ; then
3065         check_func closesocket
3066     elif check_header winsock2.h ; then
3067         check_func_headers winsock2.h closesocket -lws2 && \
3068             network_extralibs="-lws2" || \
3069         { check_func_headers winsock2.h closesocket -lws2_32 && \
3070             network_extralibs="-lws2_32"; }
3071         check_type ws2tcpip.h socklen_t
3072         check_type ws2tcpip.h "struct addrinfo"
3073         check_type ws2tcpip.h "struct ipv6_mreq"
3074         check_type ws2tcpip.h "struct sockaddr_in6"
3075         check_type ws2tcpip.h "struct sockaddr_storage"
3076         check_struct winsock2.h "struct sockaddr" sa_len
3077     else
3078         disable network
3079     fi
3080 fi
3081
3082 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3083 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3084
3085 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3086 check_func  fcntl
3087 check_func  fork
3088 check_func  getaddrinfo $network_extralibs
3089 check_func  gethrtime
3090 check_func  getrusage
3091 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3092 check_func  inet_aton $network_extralibs
3093 check_func  isatty
3094 check_func  localtime_r
3095 check_func  ${malloc_prefix}memalign            && enable memalign
3096 check_func  mkstemp
3097 check_func  mmap
3098 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3099 check_func  setrlimit
3100 check_func  strerror_r
3101 check_func  strptime
3102 check_func  sched_getaffinity
3103 check_func  sysconf
3104 check_func  sysctl
3105 check_func_headers conio.h kbhit
3106 check_func_headers windows.h PeekNamedPipe
3107 check_func_headers io.h setmode
3108 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3109 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3110 check_func_headers windows.h GetProcessAffinityMask
3111 check_func_headers windows.h GetProcessTimes
3112 check_func_headers windows.h MapViewOfFile
3113 check_func_headers windows.h VirtualAlloc
3114 check_func_headers glob.h glob
3115
3116 check_header dlfcn.h
3117 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3118 check_header libcrystalhd/libcrystalhd_if.h
3119 check_header malloc.h
3120 check_header poll.h
3121 check_header sys/mman.h
3122 check_header sys/param.h
3123 check_header sys/resource.h
3124 check_header sys/select.h
3125 check_header termios.h
3126 check_header vdpau/vdpau.h
3127 check_header vdpau/vdpau_x11.h
3128 check_header X11/extensions/XvMClib.h
3129 check_header asm/types.h
3130
3131 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3132 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3133
3134 # check for VDA header
3135 if ! disabled vda; then
3136     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3137         enable vda
3138         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3139     fi
3140 fi
3141
3142 if ! disabled w32threads && ! enabled pthreads; then
3143     check_func _beginthreadex && enable w32threads
3144 fi
3145
3146 # check for some common methods of building with pthread support
3147 # do this before the optional library checks as some of them require pthreads
3148 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3149     enable pthreads
3150     if check_func pthread_create; then
3151         :
3152     elif check_func pthread_create -pthread; then
3153         add_cflags -pthread
3154         add_extralibs -pthread
3155     elif check_func pthread_create -pthreads; then
3156         add_cflags -pthreads
3157         add_extralibs -pthreads
3158     elif check_func pthread_create -lpthreadGC2; then
3159         add_extralibs -lpthreadGC2
3160     elif ! check_lib pthread.h pthread_create -lpthread; then
3161         disable pthreads
3162     fi
3163 fi
3164
3165 for thread in $THREADS_LIST; do
3166     if enabled $thread; then
3167         test -n "$thread_type" &&
3168             die "ERROR: Only one thread type must be selected." ||
3169             thread_type="$thread"
3170     fi
3171 done
3172
3173 if enabled pthreads; then
3174   check_func pthread_cancel
3175 fi
3176
3177 check_lib math.h sin -lm && LIBM="-lm"
3178 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3179 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3180
3181 check_mathfunc cbrtf
3182 check_mathfunc exp2
3183 check_mathfunc exp2f
3184 check_mathfunc llrint
3185 check_mathfunc llrintf
3186 check_mathfunc log2
3187 check_mathfunc log2f
3188 check_mathfunc lrint
3189 check_mathfunc lrintf
3190 check_mathfunc round
3191 check_mathfunc roundf
3192 check_mathfunc trunc
3193 check_mathfunc truncf
3194
3195 # these are off by default, so fail if requested and not available
3196 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3197 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3198 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3199 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3200 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3201 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3202 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3203 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3204                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3205                         die "ERROR: libcelt version must be >= 0.11.0."; }
3206 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3207 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3208 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3209 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3210 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3211 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3212 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3213 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3214 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3215 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3216 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3217 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3218 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3219 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3220 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3221     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3222     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3223 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3224 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3225 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3226 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3227 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3228 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3229 enabled libvpx     && {
3230     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3231                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3232     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3233                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3234 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3235                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3236                         die "ERROR: libx264 version must be >= 0.118."; }
3237 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3238 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3239 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3240                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3241                         die "ERROR: openal not found"; } &&
3242                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3243                         die "ERROR: openal version must be 1.1 or compatible"; }
3244 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3245                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3246                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3247                         die "ERROR: openssl not found"; }
3248
3249 # libdc1394 check
3250 if enabled libdc1394; then
3251     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3252         enable libdc1394_2; } ||
3253     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3254         enable libdc1394_1; } ||
3255     die "ERROR: No version of libdc1394 found "
3256 fi
3257
3258 SDL_CONFIG="${cross_prefix}sdl-config"
3259 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3260     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3261     enable sdl &&
3262     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3263 else
3264   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3265     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3266     sdl_libs=$("${SDL_CONFIG}" --libs)
3267     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3268     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3269     enable sdl &&
3270     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3271   fi
3272 fi
3273 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3274
3275 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3276 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3277
3278 check_header linux/fb.h
3279 check_header linux/videodev.h
3280 check_header linux/videodev2.h
3281 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3282
3283 check_header sys/videoio.h
3284
3285 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3286 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3287 # w32api 3.12 had it defined wrong
3288 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3289
3290 check_type "dshow.h" IBaseFilter
3291
3292 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3293 { check_header dev/bktr/ioctl_meteor.h &&
3294   check_header dev/bktr/ioctl_bt848.h; } ||
3295 { check_header machine/ioctl_meteor.h &&
3296   check_header machine/ioctl_bt848.h; } ||
3297 { check_header dev/video/meteor/ioctl_meteor.h &&
3298   check_header dev/video/bktr/ioctl_bt848.h; } ||
3299 check_header dev/ic/bt8xx.h
3300
3301 check_header sndio.h
3302 if check_struct sys/soundcard.h audio_buf_info bytes; then
3303     enable_safe sys/soundcard.h
3304 else
3305     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3306     #include <sys/soundcard.h>
3307     audio_buf_info abc;
3308 EOF
3309 fi
3310 check_header soundcard.h
3311
3312 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3313
3314 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3315
3316 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3317
3318 enabled libcdio &&
3319     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3320
3321 enabled x11grab                                           &&
3322 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3323 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3324 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3325
3326 if ! disabled vaapi; then
3327     check_lib va/va.h vaInitialize -lva && {
3328         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3329         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3330     } || disable vaapi
3331 fi
3332
3333 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3334 check_cpp_condition \
3335     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3336     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3337       disable vdpau; }
3338 fi
3339
3340 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3341 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3342 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"
3343
3344 # add some useful compiler flags if supported
3345 check_cflags -Wdeclaration-after-statement
3346 check_cflags -Wall
3347 check_cflags -Wno-parentheses
3348 check_cflags -Wno-switch
3349 check_cflags -Wno-format-zero-length
3350 check_cflags -Wdisabled-optimization
3351 check_cflags -Wpointer-arith
3352 check_cflags -Wredundant-decls
3353 check_cflags -Wno-pointer-sign
3354 check_cflags -Wwrite-strings
3355 check_cflags -Wtype-limits
3356 check_cflags -Wundef
3357 check_cflags -Wmissing-prototypes
3358 check_cflags -Wno-pointer-to-int-cast
3359 check_cflags -Wstrict-prototypes
3360 enabled extra_warnings && check_cflags -Winline
3361
3362 # add some linker flags
3363 check_ldflags -Wl,--warn-common
3364 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3365 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3366
3367 enabled xmm_clobber_test &&                             \
3368     check_ldflags -Wl,--wrap,avcodec_open2              \
3369                   -Wl,--wrap,avcodec_decode_audio4      \
3370                   -Wl,--wrap,avcodec_decode_video2      \
3371                   -Wl,--wrap,avcodec_decode_subtitle2   \
3372                   -Wl,--wrap,avcodec_encode_audio2      \
3373                   -Wl,--wrap,avcodec_encode_video       \
3374                   -Wl,--wrap,avcodec_encode_subtitle    \
3375                   -Wl,--wrap,sws_scale ||               \
3376     disable xmm_clobber_test
3377
3378 echo "X{};" > $TMPV
3379 if test_ldflags -Wl,--version-script,$TMPV; then
3380     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3381     check_cc <<EOF && enable symver_asm_label
3382 void ff_foo(void) __asm__ ("av_foo@VERSION");
3383 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3384 EOF
3385     check_cc <<EOF && enable symver_gnu_asm
3386 __asm__(".symver ff_foo,av_foo@VERSION");
3387 void ff_foo(void) {}
3388 EOF
3389 fi
3390
3391 if [ -n "$optflags" ]; then
3392     add_cflags $optflags
3393 elif enabled small; then
3394     add_cflags $size_cflags
3395 elif enabled optimizations; then
3396     add_cflags $speed_cflags
3397 else
3398     add_cflags $noopt_cflags
3399 fi
3400 check_cflags -fno-math-errno
3401 check_cflags -fno-signed-zeros
3402 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3403 int x;
3404 EOF
3405
3406
3407 if enabled icc; then
3408     # Just warnings, no remarks
3409     check_cflags -w1
3410     # -wd: Disable following warnings
3411     # 144, 167, 556: -Wno-pointer-sign
3412     # 1292: attribute "foo" ignored
3413     # 1419: external declaration in primary source file
3414     # 10006: ignoring unknown option -fno-signed-zeros
3415     # 10148: ignoring unknown option -Wno-parentheses
3416     # 10156: ignoring option '-W'; no argument required
3417     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3418     # 11030: Warning unknown option --as-needed
3419     # 10156: ignoring option '-export'; no argument required
3420     check_ldflags -wd10156,11030
3421     # Allow to compile with optimizations
3422     check_ldflags -march=$cpu
3423     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3424     enable ebp_available
3425     if enabled x86_32; then
3426         test ${icc_version%%.*} -ge 11 && \
3427             check_cflags -falign-stack=maintain-16-byte || \
3428             disable aligned_stack
3429     fi
3430 elif enabled ccc; then
3431     # disable some annoying warnings
3432     add_cflags -msg_disable cvtu32to64
3433     add_cflags -msg_disable embedcomment
3434     add_cflags -msg_disable needconstext
3435     add_cflags -msg_disable nomainieee
3436     add_cflags -msg_disable ptrmismatch1
3437     add_cflags -msg_disable unreachcode
3438 elif enabled gcc; then
3439     check_cflags -fno-tree-vectorize
3440     check_cflags -Werror=implicit-function-declaration
3441     check_cflags -Werror=missing-prototypes
3442 elif enabled llvm_gcc; then
3443     check_cflags -mllvm -stack-alignment=16
3444 elif enabled clang; then
3445     check_cflags -mllvm -stack-alignment=16
3446     check_cflags -Qunused-arguments
3447 elif enabled armcc; then
3448     # 2523: use of inline assembler is deprecated
3449     add_cflags -W${armcc_opt},--diag_suppress=2523
3450     add_cflags -W${armcc_opt},--diag_suppress=1207
3451     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3452     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3453     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3454     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3455 elif enabled tms470; then
3456     add_cflags -pds=824 -pds=837
3457 elif enabled pathscale; then
3458     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3459 fi
3460
3461 enabled_any $THREADS_LIST      && enable threads
3462
3463 check_deps $CONFIG_LIST       \
3464            $CONFIG_EXTRA      \
3465            $HAVE_LIST         \
3466            $ALL_COMPONENTS    \
3467            $ALL_TESTS         \
3468
3469 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3470
3471 if test $target_os = "haiku"; then
3472     disable memalign
3473     disable posix_memalign
3474 fi
3475
3476 ! enabled_any memalign posix_memalign &&
3477     enabled_any $need_memalign && enable memalign_hack
3478
3479 # add_dep lib dep
3480 # -> enable ${lib}_deps_${dep}
3481 # -> add $dep to ${lib}_deps only once
3482 add_dep() {
3483     lib=$1
3484     dep=$2
3485     enabled "${lib}_deps_${dep}" && return 0
3486     enable  "${lib}_deps_${dep}"
3487     prepend "${lib}_deps" $dep
3488 }
3489
3490 # merge deps lib components
3491 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3492 merge_deps() {
3493     lib=$1
3494     shift
3495     for comp in $*; do
3496         enabled $comp || continue
3497         eval "dep=\"\$${comp}_deps\""
3498         for d in $dep; do
3499             add_dep $lib $d
3500         done
3501     done
3502 }
3503
3504 merge_deps libavfilter $FILTER_LIST
3505
3506 echo "install prefix            $prefix"
3507 echo "source path               $source_path"
3508 echo "C compiler                $cc"
3509 echo "ARCH                      $arch ($cpu)"
3510 if test "$build_suffix" != ""; then
3511     echo "build suffix              $build_suffix"
3512 fi
3513 if test "$progs_suffix" != ""; then
3514     echo "progs suffix              $progs_suffix"
3515 fi
3516 if test "$extra_version" != ""; then
3517     echo "version string suffix     $extra_version"
3518 fi
3519 echo "big-endian                ${bigendian-no}"
3520 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3521 if enabled x86; then
3522     echo "${yasmexe}                      ${yasm-no}"
3523     echo "MMX enabled               ${mmx-no}"
3524     echo "MMX2 enabled              ${mmx2-no}"
3525     echo "3DNow! enabled            ${amd3dnow-no}"
3526     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3527     echo "SSE enabled               ${sse-no}"
3528     echo "SSSE3 enabled             ${ssse3-no}"
3529     echo "AVX enabled               ${avx-no}"
3530     echo "CMOV enabled              ${cmov-no}"
3531     echo "CMOV is fast              ${fast_cmov-no}"
3532     echo "EBX available             ${ebx_available-no}"
3533     echo "EBP available             ${ebp_available-no}"
3534 fi
3535 if enabled arm; then
3536     echo "ARMv5TE enabled           ${armv5te-no}"
3537     echo "ARMv6 enabled             ${armv6-no}"
3538     echo "ARMv6T2 enabled           ${armv6t2-no}"
3539     echo "ARM VFP enabled           ${armvfp-no}"
3540     echo "NEON enabled              ${neon-no}"
3541 fi
3542 if enabled mips; then
3543     echo "MMI enabled               ${mmi-no}"
3544 fi
3545 if enabled ppc; then
3546     echo "AltiVec enabled           ${altivec-no}"
3547     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3548     echo "dcbzl available           ${dcbzl-no}"
3549 fi
3550 if enabled sparc; then
3551     echo "VIS enabled               ${vis-no}"
3552 fi
3553 echo "debug symbols             ${debug-no}"
3554 echo "strip symbols             ${stripping-no}"
3555 echo "optimize for size         ${small-no}"
3556 echo "optimizations             ${optimizations-no}"
3557 echo "static                    ${static-no}"
3558 echo "shared                    ${shared-no}"
3559 echo "postprocessing support    ${postproc-no}"
3560 echo "new filter support        ${avfilter-no}"
3561 echo "network support           ${network-no}"
3562 echo "threading support         ${thread_type-no}"
3563 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3564 echo "SDL support               ${sdl-no}"
3565 echo "libdxva2 enabled          ${dxva2-no}"
3566 echo "libva enabled             ${vaapi-no}"
3567 echo "libvdpau enabled          ${vdpau-no}"
3568 echo "AVISynth enabled          ${avisynth-no}"
3569 echo "frei0r enabled            ${frei0r-no}"
3570 echo "gnutls enabled            ${gnutls-no}"
3571 echo "libaacplus enabled        ${libaacplus-no}"
3572 echo "libass enabled            ${libass-no}"
3573 echo "libcdio support           ${libcdio-no}"
3574 echo "libcelt enabled           ${libcelt-no}"
3575 echo "libdc1394 support         ${libdc1394-no}"
3576 echo "libfaac enabled           ${libfaac-no}"
3577 echo "libgsm enabled            ${libgsm-no}"
3578 echo "libmodplug enabled        ${libmodplug-no}"
3579 echo "libmp3lame enabled        ${libmp3lame-no}"
3580 echo "libnut enabled            ${libnut-no}"
3581 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3582 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3583 echo "libopencv support         ${libopencv-no}"
3584 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3585 echo "libpulse enabled          ${libpulse-no}"
3586 echo "librtmp enabled           ${librtmp-no}"
3587 echo "libschroedinger enabled   ${libschroedinger-no}"
3588 echo "libspeex enabled          ${libspeex-no}"
3589 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3590 echo "libtheora enabled         ${libtheora-no}"
3591 echo "libutvideo enabled        ${libutvideo-no}"
3592 echo "libv4l2 enabled           ${libv4l2-no}"
3593 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3594 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3595 echo "libvorbis enabled         ${libvorbis-no}"
3596 echo "libvpx enabled            ${libvpx-no}"
3597 echo "libx264 enabled           ${libx264-no}"
3598 echo "libxavs enabled           ${libxavs-no}"
3599 echo "libxvid enabled           ${libxvid-no}"
3600 echo "openal enabled            ${openal-no}"
3601 echo "openssl enabled           ${openssl-no}"
3602 echo "zlib enabled              ${zlib-no}"
3603 echo "bzlib enabled             ${bzlib-no}"
3604 test -n "$random_seed" &&
3605     echo "random seed               ${random_seed}"
3606 echo
3607
3608 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3609     echo "Enabled ${type}s:"
3610     eval list=\$$(toupper $type)_LIST
3611     print_enabled '_*' $list | sort | pr -r -3 -t
3612     echo
3613 done
3614
3615 license="LGPL version 2.1 or later"
3616 if enabled nonfree; then
3617     license="nonfree and unredistributable"
3618 elif enabled gplv3; then
3619     license="GPL version 3 or later"
3620 elif enabled lgplv3; then
3621     license="LGPL version 3 or later"
3622 elif enabled gpl; then
3623     license="GPL version 2 or later"
3624 fi
3625
3626 echo "License: $license"
3627
3628 echo "Creating config.mak and config.h..."
3629
3630 test -e Makefile || $ln_s "$source_path/Makefile" .
3631
3632 enabled stripping || strip="echo skipping strip"
3633
3634 config_files="$TMPH config.mak"
3635
3636 cat > config.mak <<EOF
3637 # Automatically generated by configure - do not modify!
3638 ifndef FFMPEG_CONFIG_MAK
3639 FFMPEG_CONFIG_MAK=1
3640 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3641 prefix=$prefix
3642 LIBDIR=\$(DESTDIR)$libdir
3643 SHLIBDIR=\$(DESTDIR)$shlibdir
3644 INCDIR=\$(DESTDIR)$incdir
3645 BINDIR=\$(DESTDIR)$bindir
3646 DATADIR=\$(DESTDIR)$datadir
3647 MANDIR=\$(DESTDIR)$mandir
3648 SRC_PATH=$source_path
3649 ifndef MAIN_MAKEFILE
3650 SRC_PATH:=\$(SRC_PATH:.%=..%)
3651 endif
3652 CC_IDENT=$cc_ident
3653 ARCH=$arch
3654 CC=$cc
3655 CXX=$cxx
3656 AS=$as
3657 LD=$ld
3658 DEPCC=$dep_cc
3659 YASM=$yasmexe
3660 YASMDEP=$yasmexe
3661 AR=$ar
3662 RANLIB=$ranlib
3663 CP=cp -p
3664 LN_S=$ln_s
3665 STRIP=$strip
3666 CPPFLAGS=$CPPFLAGS
3667 CFLAGS=$CFLAGS
3668 CXXFLAGS=$CXXFLAGS
3669 ASFLAGS=$ASFLAGS
3670 AS_O=$CC_O
3671 CC_O=$CC_O
3672 CXX_O=$CXX_O
3673 LDFLAGS=$LDFLAGS
3674 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3675 SHFLAGS=$SHFLAGS
3676 YASMFLAGS=$YASMFLAGS
3677 BUILDSUF=$build_suffix
3678 PROGSSUF=$progs_suffix
3679 FULLNAME=$FULLNAME
3680 LIBPREF=$LIBPREF
3681 LIBSUF=$LIBSUF
3682 LIBNAME=$LIBNAME
3683 SLIBPREF=$SLIBPREF
3684 SLIBSUF=$SLIBSUF
3685 EXESUF=$EXESUF
3686 EXTRA_VERSION=$extra_version
3687 DEPFLAGS=$DEPFLAGS
3688 CCDEP=$CCDEP
3689 CXXDEP=$CXXDEP
3690 ASDEP=$ASDEP
3691 CC_DEPFLAGS=$CC_DEPFLAGS
3692 AS_DEPFLAGS=$AS_DEPFLAGS
3693 HOSTCC=$host_cc
3694 HOSTCFLAGS=$host_cflags
3695 HOSTEXESUF=$HOSTEXESUF
3696 HOSTLDFLAGS=$host_ldflags
3697 HOSTLIBS=$host_libs
3698 TARGET_EXEC=$target_exec
3699 TARGET_PATH=$target_path
3700 SDL_LIBS=$sdl_libs
3701 SDL_CFLAGS=$sdl_cflags
3702 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3703 EXTRALIBS=$extralibs
3704 INSTALL=$install
3705 LIBTARGET=${LIBTARGET}
3706 SLIBNAME=${SLIBNAME}
3707 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3708 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3709 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3710 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3711 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3712 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3713 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3714 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3715 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3716 NOREDZONE_FLAGS=$noredzone_flags
3717 EOF
3718
3719 get_version(){
3720     name=$1
3721     file=$source_path/$2
3722 # This condition will be removed when we stop supporting old libpostproc versions
3723 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3724     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3725     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3726 fi
3727     lcname=$(tolower $name)
3728     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3729     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3730 }
3731
3732 get_version LIBAVCODEC  libavcodec/version.h
3733 get_version LIBAVDEVICE libavdevice/avdevice.h
3734 get_version LIBAVFILTER libavfilter/version.h
3735 get_version LIBAVFORMAT libavformat/version.h
3736 get_version LIBAVRESAMPLE libavresample/version.h
3737 get_version LIBAVUTIL   libavutil/avutil.h
3738 get_version LIBPOSTPROC libpostproc/postprocess.h
3739 get_version LIBSWRESAMPLE libswresample/swresample.h
3740 get_version LIBSWSCALE  libswscale/swscale.h
3741
3742 cat > $TMPH <<EOF
3743 /* Automatically generated by configure - do not modify! */
3744 #ifndef FFMPEG_CONFIG_H
3745 #define FFMPEG_CONFIG_H
3746 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3747 #define FFMPEG_LICENSE "$(c_escape $license)"
3748 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3749 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3750 #define CC_TYPE "$cc_type"
3751 #define CC_VERSION $cc_version
3752 #define restrict $_restrict
3753 #define EXTERN_PREFIX "${extern_prefix}"
3754 #define EXTERN_ASM ${extern_prefix}
3755 #define SLIBSUF "$SLIBSUF"
3756 EOF
3757
3758 test -n "$assert_level" &&
3759     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
3760
3761 test -n "$malloc_prefix" &&
3762     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3763
3764 if enabled small || disabled optimizations; then
3765     echo "#undef  av_always_inline"  >> $TMPH
3766     if enabled small; then
3767         echo "#define av_always_inline inline"  >> $TMPH
3768     else
3769         echo "#define av_always_inline av_unused"  >> $TMPH
3770     fi
3771 fi
3772
3773 if enabled yasm; then
3774     append config_files $TMPASM
3775     printf '' >$TMPASM
3776 fi
3777
3778 print_config ARCH_   "$config_files" $ARCH_LIST
3779 print_config HAVE_   "$config_files" $HAVE_LIST
3780 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3781                                      $CONFIG_EXTRA      \
3782                                      $ALL_COMPONENTS    \
3783
3784 cat >>config.mak <<EOF
3785 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3786 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3787 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3788 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3789 EOF
3790
3791 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3792 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3793
3794 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3795 cp_if_changed $TMPH config.h
3796 touch .config
3797
3798 enabled yasm && cp_if_changed $TMPASM config.asm
3799
3800 cat > $TMPH <<EOF
3801 /* Generated by ffconf */
3802 #ifndef AVUTIL_AVCONFIG_H
3803 #define AVUTIL_AVCONFIG_H
3804 EOF
3805
3806 test "$postproc_version" != current && cat >> $TMPH <<EOF
3807 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3808 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3809 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3810 EOF
3811
3812 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3813
3814 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3815
3816 cp_if_changed $TMPH libavutil/avconfig.h
3817
3818 test -n "$WARNINGS" && printf "\n$WARNINGS"
3819
3820 # build pkg-config files
3821
3822 pkgconfig_generate(){
3823 name=$1
3824 shortname=${name#lib}${build_suffix}
3825 comment=$2
3826 version=$3
3827 libs=$4
3828 requires=$5
3829 enabled ${name#lib} || return 0
3830 mkdir -p $name
3831 cat <<EOF > $name/$name.pc
3832 prefix=$prefix
3833 exec_prefix=\${prefix}
3834 libdir=$libdir
3835 includedir=$incdir
3836
3837 Name: $name
3838 Description: $comment
3839 Version: $version
3840 Requires: $(enabled shared || echo $requires)
3841 Requires.private: $(enabled shared && echo $requires)
3842 Conflicts:
3843 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3844 Libs.private: $(enabled shared && echo $libs)
3845 Cflags: -I\${includedir}
3846 EOF
3847 cat <<EOF > $name/$name-uninstalled.pc
3848 prefix=
3849 exec_prefix=
3850 libdir=\${pcfiledir}
3851 includedir=${source_path}
3852
3853 Name: $name
3854 Description: $comment
3855 Version: $version
3856 Requires: $requires
3857 Conflicts:
3858 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3859 Cflags: -I\${includedir}
3860 EOF
3861 }
3862
3863 libavfilter_pc_deps=""
3864 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3865 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3866 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3867 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3868 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3869 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3870
3871 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
3872 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
3873
3874 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3875 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3876 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3877 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
3878 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3879 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3880 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3881 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3882 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"