git.sesse.net Git - ffmpeg/blob - configure

   1 #!/bin/sh
   2 #
   3 # FFmpeg configure script
   4 #
   5 # Copyright (c) 2000-2002 Fabrice Bellard
   6 # Copyright (c) 2005-2008 Diego Biurrun
   7 # Copyright (c) 2005-2008 Mans Rullgard
   8 #
   9
  10 # Prevent locale nonsense from breaking basic text processing.
  11 LC_ALL=C
  12 export LC_ALL
  13
  14 # make sure we are running under a compatible shell
  15 # try to make this part work with most shells
  16
  17 try_exec(){
  18     echo "Trying shell $1"
  19     type "$1" > /dev/null 2>&1 && exec "$@"
  20 }
  21
  22 unset foo
  23 (: ${foo%%bar}) 2> /dev/null
  24 E1="$?"
  25
  26 (: ${foo?}) 2> /dev/null
  27 E2="$?"
  28
  29 if test "$E1" != 0 || test "$E2" = 0; then
  30     echo "Broken shell detected.  Trying alternatives."
  31     export FF_CONF_EXEC
  32     if test "0$FF_CONF_EXEC" -lt 1; then
  33         FF_CONF_EXEC=1
  34         try_exec bash "$0" "$@"
  35     fi
  36     if test "0$FF_CONF_EXEC" -lt 2; then
  37         FF_CONF_EXEC=2
  38         try_exec ksh "$0" "$@"
  39     fi
  40     if test "0$FF_CONF_EXEC" -lt 3; then
  41         FF_CONF_EXEC=3
  42         try_exec /usr/xpg4/bin/sh "$0" "$@"
  43     fi
  44     echo "No compatible shell script interpreter found."
  45     echo "This configure script requires a POSIX-compatible shell"
  46     echo "such as bash or ksh."
  47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  48     echo "Instead, install a working POSIX-compatible shell."
  49     echo "Disabling this configure test will create a broken FFmpeg."
  50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  51         echo "This bash version ($BASH_VERSION) is broken on your platform."
  52         echo "Upgrade to a later version if available."
  53     fi
  54     exit 1
  55 fi
  56
  57 show_help(){
  58 cat <<EOF
  59 Usage: configure [options]
  60 Options: [defaults in brackets after descriptions]
  61
  62 Help options:
  63   --help                   print this message
  64   --list-decoders          show all available decoders
  65   --list-encoders          show all available encoders
  66   --list-hwaccels          show all available hardware accelerators
  67   --list-demuxers          show all available demuxers
  68   --list-muxers            show all available muxers
  69   --list-parsers           show all available parsers
  70   --list-protocols         show all available protocols
  71   --list-bsfs              show all available bitstream filters
  72   --list-indevs            show all available input devices
  73   --list-outdevs           show all available output devices
  74   --list-filters           show all available filters
  75
  76 Standard options:
  77   --logfile=FILE           log tests and output to FILE [config.log]
  78   --disable-logging        do not log configure debug information
  79   --prefix=PREFIX          install in PREFIX [$prefix]
  80   --bindir=DIR             install binaries in DIR [PREFIX/bin]
  81   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
  82   --libdir=DIR             install libs in DIR [PREFIX/lib]
  83   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
  84   --incdir=DIR             install includes in DIR [PREFIX/include]
  85   --mandir=DIR             install man page in DIR [PREFIX/share/man]
  86
  87 Licensing options:
  88   --enable-gpl             allow use of GPL code, the resulting libs
  89                            and binaries will be under GPL [no]
  90   --enable-version3        upgrade (L)GPL to version 3 [no]
  91   --enable-nonfree         allow use of nonfree code, the resulting libs
  92                            and binaries will be unredistributable [no]
  93
  94 Configuration options:
  95   --disable-static         do not build static libraries [no]
  96   --enable-shared          build shared libraries [no]
  97   --enable-small           optimize for size instead of speed
  98   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
  99   --enable-gray            enable full grayscale support (slower color)
 100   --disable-swscale-alpha  disable alpha channel support in swscale
 101
 102 Component options:
 103   --disable-doc            do not build documentation
 104   --disable-ffmpeg         disable ffmpeg build
 105   --disable-ffplay         disable ffplay build
 106   --disable-ffprobe        disable ffprobe build
 107   --disable-ffserver       disable ffserver build
 108   --disable-avdevice       disable libavdevice build
 109   --disable-avcodec        disable libavcodec build
 110   --disable-avformat       disable libavformat build
 111   --disable-swresample     disable libswresample build
 112   --disable-swscale        disable libswscale build
 113   --disable-postproc       disable libpostproc build
 114   --disable-avfilter       disable video filter support [no]
 115   --enable-avresample      enable libavresample build [no]
 116   --disable-pthreads       disable pthreads [auto]
 117   --disable-w32threads     disable Win32 threads [auto]
 118   --disable-os2threads     disable OS/2 threads [auto]
 119   --enable-x11grab         enable X11 grabbing [no]
 120   --disable-network        disable network support [no]
 121   --disable-dct            disable DCT code
 122   --disable-mdct           disable MDCT code
 123   --disable-rdft           disable RDFT code
 124   --disable-fft            disable FFT code
 125   --enable-dxva2           enable DXVA2 code
 126   --enable-vaapi           enable VAAPI code [autodetect]
 127   --enable-vda             enable VDA code   [autodetect]
 128   --enable-vdpau           enable VDPAU code [autodetect]
 129
 130 Individual component options:
 131   --disable-everything     disable all components listed below
 132   --disable-encoder=NAME   disable encoder NAME
 133   --enable-encoder=NAME    enable encoder NAME
 134   --disable-encoders       disable all encoders
 135   --disable-decoder=NAME   disable decoder NAME
 136   --enable-decoder=NAME    enable decoder NAME
 137   --disable-decoders       disable all decoders
 138   --disable-hwaccel=NAME   disable hwaccel NAME
 139   --enable-hwaccel=NAME    enable hwaccel NAME
 140   --disable-hwaccels       disable all hwaccels
 141   --disable-muxer=NAME     disable muxer NAME
 142   --enable-muxer=NAME      enable muxer NAME
 143   --disable-muxers         disable all muxers
 144   --disable-demuxer=NAME   disable demuxer NAME
 145   --enable-demuxer=NAME    enable demuxer NAME
 146   --disable-demuxers       disable all demuxers
 147   --enable-parser=NAME     enable parser NAME
 148   --disable-parser=NAME    disable parser NAME
 149   --disable-parsers        disable all parsers
 150   --enable-bsf=NAME        enable bitstream filter NAME
 151   --disable-bsf=NAME       disable bitstream filter NAME
 152   --disable-bsfs           disable all bitstream filters
 153   --enable-protocol=NAME   enable protocol NAME
 154   --disable-protocol=NAME  disable protocol NAME
 155   --disable-protocols      disable all protocols
 156   --enable-indev=NAME      enable input device NAME
 157   --disable-indev=NAME     disable input device NAME
 158   --disable-indevs         disable input devices
 159   --enable-outdev=NAME     enable output device NAME
 160   --disable-outdev=NAME    disable output device NAME
 161   --disable-outdevs        disable output devices
 162   --disable-devices        disable all devices
 163   --enable-filter=NAME     enable filter NAME
 164   --disable-filter=NAME    disable filter NAME
 165   --disable-filters        disable all filters
 166
 167 External library support:
 168   --enable-avisynth        enable reading of AVISynth script files [no]
 169   --enable-bzlib           enable bzlib [autodetect]
 170   --enable-fontconfig      enable fontconfig
 171   --enable-frei0r          enable frei0r video filtering
 172   --enable-gnutls          enable gnutls [no]
 173   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
 174   --enable-libass          enable libass subtitles rendering [no]
 175   --enable-libbluray       enable BluRay reading using libbluray [no]
 176   --enable-libcelt         enable CELT decoding via libcelt [no]
 177   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 178   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 179   --enable-libopencv       enable video filtering via libopencv [no]
 180   --enable-libcdio         enable audio CD grabbing with libcdio
 181   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 182                            and libraw1394 [no]
 183   --enable-libfaac         enable FAAC support via libfaac [no]
 184   --enable-libfreetype     enable libfreetype [no]
 185   --enable-libgsm          enable GSM support via libgsm [no]
 186   --enable-libmodplug      enable ModPlug via libmodplug [no]
 187   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
 188   --enable-libnut          enable NUT (de)muxing via libnut,
 189                            native (de)muxer exists [no]
 190   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
 191   --enable-libpulse        enable Pulseaudio input via libpulse [no]
 192   --enable-librtmp         enable RTMP[E] support via librtmp [no]
 193   --enable-libschroedinger enable Dirac support via libschroedinger [no]
 194   --enable-libspeex        enable Speex support via libspeex [no]
 195   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
 196   --enable-libtheora       enable Theora encoding via libtheora [no]
 197   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
 198   --enable-libv4l2         enable libv4l2/v4l-utils [no]
 199   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
 200   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
 201   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
 202                            native implementation exists [no]
 203   --enable-libvpx          enable VP8 support via libvpx [no]
 204   --enable-libx264         enable H.264 encoding via x264 [no]
 205   --enable-libxavs         enable AVS encoding via xavs [no]
 206   --enable-libxvid         enable Xvid encoding via xvidcore,
 207                            native MPEG-4/Xvid encoder exists [no]
 208   --enable-openal          enable OpenAL 1.1 capture support [no]
 209   --enable-openssl         enable openssl [no]
 210   --enable-zlib            enable zlib [autodetect]
 211
 212 Advanced options (experts only):
 213   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
 214   --enable-cross-compile   assume a cross-compiler is used
 215   --sysroot=PATH           root of cross-build tree
 216   --sysinclude=PATH        location of cross-build system headers
 217   --target-os=OS           compiler targets OS [$target_os]
 218   --target-exec=CMD        command to run executables on target
 219   --target-path=DIR        path to view of build directory on target
 220   --nm=NM                  use nm tool NM [$nm_default]
 221   --ar=AR                  use archive tool AR [$ar_default]
 222   --as=AS                  use assembler AS [$as_default]
 223   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
 224   --cc=CC                  use C compiler CC [$cc_default]
 225   --cxx=CXX                use C compiler CXX [$cxx_default]
 226   --ld=LD                  use linker LD [$ld_default]
 227   --host-cc=HOSTCC         use host C compiler HOSTCC
 228   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 229   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 230   --host-libs=HLIBS        use libs HLIBS when linking for host
 231   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 232   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
 233   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
 234   --extra-libs=ELIBS       add ELIBS [$ELIBS]
 235   --extra-version=STRING   version string suffix []
 236   --optflags               override optimization-related compiler flags
 237   --build-suffix=SUFFIX    library name suffix []
 238   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
 239   --progs-suffix=SUFFIX    program name suffix []
 240   --arch=ARCH              select architecture [$arch]
 241   --cpu=CPU                select the minimum required CPU (affects
 242                            instruction selection, may crash on older CPUs)
 243   --enable-pic             build position-independent code
 244   --enable-sram            allow use of on-chip SRAM
 245   --disable-symver         disable symbol versioning
 246   --disable-fastdiv        disable table-based division
 247   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 248   --disable-safe-bitstream-reader
 249                            disable buffer boundary checking in bitreaders
 250                            (faster, but may crash)
 251   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 252
 253 Optimization options (experts only):
 254   --disable-asm            disable all assembler optimizations
 255   --disable-altivec        disable AltiVec optimizations
 256   --disable-amd3dnow       disable 3DNow! optimizations
 257   --disable-amd3dnowext    disable 3DNow! extended optimizations
 258   --disable-mmx            disable MMX optimizations
 259   --disable-mmx2           disable MMX2 optimizations
 260   --disable-sse            disable SSE optimizations
 261   --disable-ssse3          disable SSSE3 optimizations
 262   --disable-avx            disable AVX optimizations
 263   --disable-armv5te        disable armv5te optimizations
 264   --disable-armv6          disable armv6 optimizations
 265   --disable-armv6t2        disable armv6t2 optimizations
 266   --disable-armvfp         disable ARM VFP optimizations
 267   --disable-mmi            disable MMI optimizations
 268   --disable-neon           disable NEON optimizations
 269   --disable-vis            disable VIS optimizations
 270   --disable-yasm           disable use of yasm assembler
 271   --postproc-version=V     build libpostproc version V.
 272                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
 273
 274 Developer options (useful when working on FFmpeg itself):
 275   --enable-coverage        build with test coverage instrumentation
 276   --disable-debug          disable debugging symbols
 277   --enable-debug=LEVEL     set the debug level [$debuglevel]
 278   --disable-optimizations  disable compiler optimizations
 279   --enable-extra-warnings  enable more compiler warnings
 280   --disable-stripping      disable stripping of executables and shared libraries
 281   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
 282                            2 causes a slowdown at runtime.
 283   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
 284                            leaks and errors, using the specified valgrind binary.
 285                            Cannot be combined with --target-exec
 286   --samples=PATH           location of test samples for FATE, if not set use
 287                            \$FATE_SAMPLES at make invocation time.
 288   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
 289                            should be used only for debugging purposes)
 290   --enable-random          randomly enable/disable components
 291   --disable-random
 292   --enable-random=LIST     randomly enable/disable specific components or
 293   --disable-random=LIST    component groups. LIST is a comma-separated list
 294                            of NAME[:PROB] entries where NAME is a component
 295                            (group) and PROB the probability associated with
 296                            NAME (default 0.5).
 297   --random-seed=VALUE      seed value for --enable/disable-random
 298
 299 NOTE: Object files are built at the place where configure is launched.
 300 EOF
 301   exit 0
 302 }
 303
 304 quotes='""'
 305
 306 log(){
 307     echo "$@" >> $logfile
 308 }
 309
 310 log_file(){
 311     log BEGIN $1
 312     pr -n -t $1 >> $logfile
 313     log END $1
 314 }
 315
 316 echolog(){
 317     log "$@"
 318     echo "$@"
 319 }
 320
 321 warn(){
 322     log "WARNING: $*"
 323     WARNINGS="${WARNINGS}WARNING: $*\n"
 324 }
 325
 326 die(){
 327     echolog "$@"
 328     cat <<EOF
 329
 330 If you think configure made a mistake, make sure you are using the latest
 331 version from Git.  If the latest version fails, report the problem to the
 332 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 333 EOF
 334     if disabled logging; then
 335         cat <<EOF
 336 Rerun configure with logging enabled (do not use --disable-logging), and
 337 include the log this produces with your report.
 338 EOF
 339     else
 340 cat <<EOF
 341 Include the log file "$logfile" produced by configure as this will help
 342 solving the problem.
 343 EOF
 344     fi
 345     exit 1
 346 }
 347
 348 # Avoid locale weirdness, besides we really just want to translate ASCII.
 349 toupper(){
 350     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 351 }
 352
 353 tolower(){
 354     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 355 }
 356
 357 c_escape(){
 358     echo "$*" | sed 's/["\\]/\\\0/g'
 359 }
 360
 361 sh_quote(){
 362     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 363     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 364     echo "$v"
 365 }
 366
 367 cleanws(){
 368     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 369 }
 370
 371 filter(){
 372     pat=$1
 373     shift
 374     for v; do
 375         eval "case $v in $pat) echo $v ;; esac"
 376     done
 377 }
 378
 379 filter_out(){
 380     pat=$1
 381     shift
 382     for v; do
 383         eval "case $v in $pat) ;; *) echo $v ;; esac"
 384     done
 385 }
 386
 387 map(){
 388     m=$1
 389     shift
 390     for v; do eval $m; done
 391 }
 392
 393 set_all(){
 394     value=$1
 395     shift
 396     for var in $*; do
 397         eval $var=$value
 398     done
 399 }
 400
 401 set_weak(){
 402     value=$1
 403     shift
 404     for var; do
 405         eval : \${$var:=$value}
 406     done
 407 }
 408
 409 set_safe(){
 410     var=$1
 411     shift
 412     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 413 }
 414
 415 get_safe(){
 416     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 417 }
 418
 419 pushvar(){
 420     for var in $*; do
 421         eval level=\${${var}_level:=0}
 422         eval ${var}_${level}="\$$var"
 423         eval ${var}_level=$(($level+1))
 424     done
 425 }
 426
 427 popvar(){
 428     for var in $*; do
 429         eval level=\${${var}_level:-0}
 430         test $level = 0 && continue
 431         eval level=$(($level-1))
 432         eval $var="\${${var}_${level}}"
 433         eval ${var}_level=$level
 434         eval unset ${var}_${level}
 435     done
 436 }
 437
 438 enable(){
 439     set_all yes $*
 440 }
 441
 442 disable(){
 443     set_all no $*
 444 }
 445
 446 enable_weak(){
 447     set_weak yes $*
 448 }
 449
 450 disable_weak(){
 451     set_weak no $*
 452 }
 453
 454 enable_safe(){
 455     for var; do
 456         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 457     done
 458 }
 459
 460 disable_safe(){
 461     for var; do
 462         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 463     done
 464 }
 465
 466 do_enable_deep(){
 467     for var; do
 468         enabled $var && continue
 469         eval sel="\$${var}_select"
 470         eval sgs="\$${var}_suggest"
 471         pushvar var sgs
 472         enable_deep $sel
 473         popvar sgs
 474         enable_deep_weak $sgs
 475         popvar var
 476     done
 477 }
 478
 479 enable_deep(){
 480     do_enable_deep $*
 481     enable $*
 482 }
 483
 484 enable_deep_weak(){
 485     do_enable_deep $*
 486     enable_weak $*
 487 }
 488
 489 enabled(){
 490     test "${1#!}" = "$1" && op== || op=!=
 491     eval test "x\$${1#!}" $op "xyes"
 492 }
 493
 494 disabled(){
 495     test "${1#!}" = "$1" && op== || op=!=
 496     eval test "x\$${1#!}" $op "xno"
 497 }
 498
 499 enabled_all(){
 500     for opt; do
 501         enabled $opt || return 1
 502     done
 503 }
 504
 505 disabled_all(){
 506     for opt; do
 507         disabled $opt || return 1
 508     done
 509 }
 510
 511 enabled_any(){
 512     for opt; do
 513         enabled $opt && return 0
 514     done
 515 }
 516
 517 disabled_any(){
 518     for opt; do
 519         disabled $opt && return 0
 520     done
 521     return 1
 522 }
 523
 524 set_default(){
 525     for opt; do
 526         eval : \${$opt:=\$${opt}_default}
 527     done
 528 }
 529
 530 is_in(){
 531     value=$1
 532     shift
 533     for var in $*; do
 534         [ $var = $value ] && return 0
 535     done
 536     return 1
 537 }
 538
 539 check_deps(){
 540     for cfg; do
 541         cfg="${cfg#!}"
 542         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 543         disabled ${cfg}_checking && continue
 544         enable ${cfg}_checking
 545
 546         eval dep_all="\$${cfg}_deps"
 547         eval dep_any="\$${cfg}_deps_any"
 548         eval dep_sel="\$${cfg}_select"
 549         eval dep_sgs="\$${cfg}_suggest"
 550         eval dep_ifa="\$${cfg}_if"
 551         eval dep_ifn="\$${cfg}_if_any"
 552
 553         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 554         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 555         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 556
 557         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 558         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 559         enabled_all  $dep_all || disable $cfg
 560         enabled_any  $dep_any || disable $cfg
 561         disabled_any $dep_sel && disable $cfg
 562
 563         if enabled $cfg; then
 564             eval dep_extralibs="\$${cfg}_extralibs"
 565             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 566             enable_deep $dep_sel
 567             enable_deep_weak $dep_sgs
 568         fi
 569
 570         disable ${cfg}_checking
 571     done
 572 }
 573
 574 print_config_h(){
 575     enabled $1 && v=1 || v=0
 576     echo "#define $2 $v"
 577 }
 578
 579 print_config_mak(){
 580     enabled $1 && v= || v=!
 581     echo "$v$2=yes"
 582 }
 583
 584 print_config_asm(){
 585     enabled $1 && v=1 || v=0
 586     echo "%define $2 $v"
 587 }
 588
 589 print_config(){
 590     pfx=$1
 591     files=$2
 592     shift 2
 593     for cfg; do
 594         ucname="$(toupper $cfg)"
 595         for f in $files; do
 596             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 597         done
 598     done
 599 }
 600
 601 print_enabled(){
 602     test "$1" = -n && end=" " && shift || end="\n"
 603     suf=$1
 604     shift
 605     for v; do
 606         enabled $v && printf "%s$end" ${v%$suf};
 607     done
 608 }
 609
 610 append(){
 611     var=$1
 612     shift
 613     eval "$var=\"\$$var $*\""
 614 }
 615
 616 prepend(){
 617     var=$1
 618     shift
 619     eval "$var=\"$* \$$var\""
 620 }
 621
 622 add_cppflags(){
 623     append CPPFLAGS $($filter_cppflags "$@")
 624 }
 625
 626 add_cflags(){
 627     append CFLAGS $($filter_cflags "$@")
 628 }
 629
 630 add_cxxflags(){
 631     append CXXFLAGS $($filter_cflags "$@")
 632 }
 633
 634 add_asflags(){
 635     append ASFLAGS $($filter_asflags "$@")
 636 }
 637
 638 add_ldflags(){
 639     append LDFLAGS "$@"
 640 }
 641
 642 add_extralibs(){
 643     prepend extralibs "$@"
 644 }
 645
 646 check_cmd(){
 647     log "$@"
 648     "$@" >> $logfile 2>&1
 649 }
 650
 651 check_cc(){
 652     log check_cc "$@"
 653     cat > $TMPC
 654     log_file $TMPC
 655     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 656 }
 657
 658 check_cxx(){
 659     log check_cxx "$@"
 660     cat > $TMPCPP
 661     log_file $TMPCPP
 662     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
 663 }
 664
 665 check_cpp(){
 666     log check_cpp "$@"
 667     cat > $TMPC
 668     log_file $TMPC
 669     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 670 }
 671
 672 check_as(){
 673     log check_as "$@"
 674     cat > $TMPC
 675     log_file $TMPC
 676     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 677 }
 678
 679 check_asm(){
 680     log check_asm "$@"
 681     name="$1"
 682     code="$2"
 683     shift 2
 684     disable $name
 685     check_as "$@" <<EOF && enable $name
 686 void foo(void){ __asm__ volatile($code); }
 687 EOF
 688 }
 689
 690 check_yasm(){
 691     log check_yasm "$@"
 692     echo "$1" > $TMPS
 693     log_file $TMPS
 694     shift 1
 695     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 696 }
 697
 698 check_ld(){
 699     log check_ld "$@"
 700     type=$1
 701     shift 1
 702     flags=''
 703     libs=''
 704     for f; do
 705         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 706     done
 707     check_$type $($filter_cflags $flags) || return
 708     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
 709 }
 710
 711 check_cppflags(){
 712     log check_cppflags "$@"
 713     set -- $($filter_cppflags "$@")
 714     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 715 int x;
 716 EOF
 717 }
 718
 719 check_cflags(){
 720     log check_cflags "$@"
 721     set -- $($filter_cflags "$@")
 722     check_cc "$@" <<EOF && append CFLAGS "$@"
 723 int x;
 724 EOF
 725 }
 726
 727 check_cxxflags(){
 728     log check_cxxflags "$@"
 729     set -- $($filter_cflags "$@")
 730     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 731 int x;
 732 EOF
 733 }
 734
 735 test_ldflags(){
 736     log test_ldflags "$@"
 737     check_ld "cc" "$@" <<EOF
 738 int main(void){ return 0; }
 739 EOF
 740 }
 741
 742 check_ldflags(){
 743     log check_ldflags "$@"
 744     test_ldflags "$@" && add_ldflags "$@"
 745 }
 746
 747 check_header(){
 748     log check_header "$@"
 749     header=$1
 750     shift
 751     disable_safe $header
 752     check_cpp "$@" <<EOF && enable_safe $header
 753 #include <$header>
 754 int x;
 755 EOF
 756 }
 757
 758 check_func(){
 759     log check_func "$@"
 760     func=$1
 761     shift
 762     disable $func
 763     check_ld "cc" "$@" <<EOF && enable $func
 764 extern int $func();
 765 int main(void){ $func(); }
 766 EOF
 767 }
 768
 769 check_mathfunc(){
 770     log check_mathfunc "$@"
 771     func=$1
 772     shift
 773     disable $func
 774     check_ld "cc" "$@" <<EOF && enable $func
 775 #include <math.h>
 776 float foo(float f) { return $func(f); }
 777 int main(void){ return (int) foo; }
 778 EOF
 779 }
 780
 781 check_func_headers(){
 782     log check_func_headers "$@"
 783     headers=$1
 784     funcs=$2
 785     shift 2
 786     {
 787         for hdr in $headers; do
 788             echo "#include <$hdr>"
 789         done
 790         for func in $funcs; do
 791             echo "long check_$func(void) { return (long) $func; }"
 792         done
 793         echo "int main(void) { return 0; }"
 794     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 795 }
 796
 797 check_class_headers_cpp(){
 798     log check_class_headers_cpp "$@"
 799     headers=$1
 800     classes=$2
 801     shift 2
 802     {
 803         for hdr in $headers; do
 804             echo "#include <$hdr>"
 805         done
 806         echo "int main(void) { "
 807         i=1
 808         for class in $classes; do
 809             echo "$class obj$i;"
 810             i=$(expr $i + 1)
 811         done
 812         echo "return 0; }"
 813     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 814 }
 815
 816 check_cpp_condition(){
 817     log check_cpp_condition "$@"
 818     header=$1
 819     condition=$2
 820     shift 2
 821     check_cpp $($filter_cppflags "$@") <<EOF
 822 #include <$header>
 823 #if !($condition)
 824 #error "unsatisfied condition: $condition"
 825 #endif
 826 EOF
 827 }
 828
 829 check_lib(){
 830     log check_lib "$@"
 831     header="$1"
 832     func="$2"
 833     shift 2
 834     check_header $header && check_func $func "$@" && add_extralibs "$@"
 835 }
 836
 837 check_lib2(){
 838     log check_lib2 "$@"
 839     headers="$1"
 840     funcs="$2"
 841     shift 2
 842     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 843 }
 844
 845 check_lib_cpp(){
 846     log check_lib_cpp "$@"
 847     headers="$1"
 848     classes="$2"
 849     shift 2
 850     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 851 }
 852
 853 check_pkg_config(){
 854     log check_pkg_config "$@"
 855     pkg="$1"
 856     headers="$2"
 857     funcs="$3"
 858     shift 3
 859     $pkg_config --exists $pkg 2>/dev/null || return
 860     pkg_cflags=$($pkg_config --cflags $pkg)
 861     pkg_libs=$($pkg_config --libs $pkg)
 862     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 863         set_safe ${pkg}_cflags $pkg_cflags   &&
 864         set_safe ${pkg}_libs   $pkg_libs
 865 }
 866
 867 check_exec(){
 868     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 869 }
 870
 871 check_exec_crash(){
 872     code=$(cat)
 873
 874     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 875     # are safe but may not be available everywhere.  Thus we use
 876     # raise(SIGTERM) instead.  The check is run in a subshell so we
 877     # can redirect the "Terminated" message from the shell.  SIGBUS
 878     # is not defined by standard C so it is used conditionally.
 879
 880     (check_exec "$@") >> $logfile 2>&1 <<EOF
 881 #include <signal.h>
 882 static void sighandler(int sig){
 883     raise(SIGTERM);
 884 }
 885 int func(void){
 886     $code
 887 }
 888 int (*func_ptr)(void) = func;
 889 int main(void){
 890     signal(SIGILL, sighandler);
 891     signal(SIGFPE, sighandler);
 892     signal(SIGSEGV, sighandler);
 893 #ifdef SIGBUS
 894     signal(SIGBUS, sighandler);
 895 #endif
 896     return func_ptr();
 897 }
 898 EOF
 899 }
 900
 901 check_type(){
 902     log check_type "$@"
 903     headers=$1
 904     type=$2
 905     shift 2
 906     disable_safe "$type"
 907     incs=""
 908     for hdr in $headers; do
 909         incs="$incs
 910 #include <$hdr>"
 911     done
 912     check_cc "$@" <<EOF && enable_safe "$type"
 913 $incs
 914 $type v;
 915 EOF
 916 }
 917
 918 check_struct(){
 919     log check_type "$@"
 920     headers=$1
 921     struct=$2
 922     member=$3
 923     shift 3
 924     disable_safe "${struct}_${member}"
 925     incs=""
 926     for hdr in $headers; do
 927         incs="$incs
 928 #include <$hdr>"
 929     done
 930     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
 931 $incs
 932 const void *p = &(($struct *)0)->$member;
 933 EOF
 934 }
 935
 936 require(){
 937     name="$1"
 938     header="$2"
 939     func="$3"
 940     shift 3
 941     check_lib $header $func "$@" || die "ERROR: $name not found"
 942 }
 943
 944 require2(){
 945     name="$1"
 946     headers="$2"
 947     func="$3"
 948     shift 3
 949     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 950 }
 951
 952 require_cpp(){
 953     name="$1"
 954     headers="$2"
 955     classes="$3"
 956     shift 3
 957     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
 958 }
 959
 960 require_pkg_config(){
 961     pkg="$1"
 962     check_pkg_config "$@" || die "ERROR: $pkg not found"
 963     add_cflags    $(get_safe ${pkg}_cflags)
 964     add_extralibs $(get_safe ${pkg}_libs)
 965 }
 966
 967 check_host_cc(){
 968     log check_host_cc "$@"
 969     cat > $TMPC
 970     log_file $TMPC
 971     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
 972 }
 973
 974 check_host_cflags(){
 975     log check_host_cflags "$@"
 976     check_host_cc "$@" <<EOF && append host_cflags "$@"
 977 int x;
 978 EOF
 979 }
 980
 981 apply(){
 982     file=$1
 983     shift
 984     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 985 }
 986
 987 cp_if_changed(){
 988     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
 989     mkdir -p "$(dirname $2)"
 990     cp -f "$1" "$2"
 991 }
 992
 993 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 994 # system-dependent things.
 995
 996 COMPONENT_LIST="
 997     bsfs
 998     decoders
 999     demuxers
1000     encoders
1001     filters
1002     hwaccels
1003     indevs
1004     muxers
1005     outdevs
1006     parsers
1007     protocols
1008 "
1009
1010 PROGRAM_LIST="
1011     ffplay
1012     ffprobe
1013     ffserver
1014     ffmpeg
1015 "
1016
1017 CONFIG_LIST="
1018     $COMPONENT_LIST
1019     $PROGRAM_LIST
1020     ac3dsp
1021     avcodec
1022     avdevice
1023     avfilter
1024     avformat
1025     avresample
1026     avisynth
1027     bzlib
1028     crystalhd
1029     dct
1030     doc
1031     dwt
1032     dxva2
1033     fastdiv
1034     fft
1035     fontconfig
1036     frei0r
1037     gnutls
1038     gpl
1039     gray
1040     hardcoded_tables
1041     libaacplus
1042     libass
1043     libbluray
1044     libcdio
1045     libcelt
1046     libdc1394
1047     libfaac
1048     libfreetype
1049     libgsm
1050     libmodplug
1051     libmp3lame
1052     libnut
1053     libopencore_amrnb
1054     libopencore_amrwb
1055     libopencv
1056     libopenjpeg
1057     libpulse
1058     librtmp
1059     libschroedinger
1060     libspeex
1061     libstagefright_h264
1062     libtheora
1063     libutvideo
1064     libv4l2
1065     libvo_aacenc
1066     libvo_amrwbenc
1067     libvorbis
1068     libvpx
1069     libx264
1070     libxavs
1071     libxvid
1072     lsp
1073     mdct
1074     memalign_hack
1075     mpegaudiodsp
1076     network
1077     nonfree
1078     openal
1079     openssl
1080     pic
1081     postproc
1082     rdft
1083     rtpdec
1084     runtime_cpudetect
1085     safe_bitstream_reader
1086     shared
1087     sinewin
1088     small
1089     sram
1090     static
1091     swresample
1092     swscale
1093     swscale_alpha
1094     thumb
1095     vaapi
1096     vda
1097     vdpau
1098     version3
1099     xmm_clobber_test
1100     x11grab
1101     zlib
1102 "
1103
1104 THREADS_LIST='
1105     pthreads
1106     w32threads
1107     os2threads
1108 '
1109
1110 ARCH_LIST='
1111     alpha
1112     arm
1113     avr32
1114     avr32_ap
1115     avr32_uc
1116     bfin
1117     ia64
1118     m68k
1119     mips
1120     mips64
1121     parisc
1122     ppc
1123     ppc64
1124     s390
1125     sh4
1126     sparc
1127     sparc64
1128     tomi
1129     x86
1130     x86_32
1131     x86_64
1132 '
1133
1134 ARCH_EXT_LIST='
1135     altivec
1136     amd3dnow
1137     amd3dnowext
1138     armv5te
1139     armv6
1140     armv6t2
1141     armvfp
1142     avx
1143     mmi
1144     mmx
1145     mmx2
1146     neon
1147     ppc4xx
1148     sse
1149     ssse3
1150     vfpv3
1151     vis
1152 '
1153
1154 HAVE_LIST_PUB='
1155     bigendian
1156     fast_unaligned
1157 '
1158
1159 HAVE_LIST="
1160     $ARCH_EXT_LIST
1161     $HAVE_LIST_PUB
1162     $THREADS_LIST
1163     aligned_stack
1164     alsa_asoundlib_h
1165     altivec_h
1166     arpa_inet_h
1167     asm_mod_y
1168     asm_types_h
1169     attribute_may_alias
1170     attribute_packed
1171     cbrtf
1172     clock_gettime
1173     closesocket
1174     cmov
1175     dcbzl
1176     dev_bktr_ioctl_bt848_h
1177     dev_bktr_ioctl_meteor_h
1178     dev_ic_bt8xx_h
1179     dev_video_bktr_ioctl_bt848_h
1180     dev_video_meteor_ioctl_meteor_h
1181     dlfcn_h
1182     dlopen
1183     dos_paths
1184     ebp_available
1185     ebx_available
1186     exp2
1187     exp2f
1188     fast_64bit
1189     fast_clz
1190     fast_cmov
1191     fcntl
1192     fork
1193     getaddrinfo
1194     gethrtime
1195     GetProcessAffinityMask
1196     GetProcessMemoryInfo
1197     GetProcessTimes
1198     getrusage
1199     glob
1200     gnu_as
1201     ibm_asm
1202     inet_aton
1203     inline_asm
1204     isatty
1205     kbhit
1206     ldbrx
1207     libdc1394_1
1208     libdc1394_2
1209     llrint
1210     llrintf
1211     local_aligned_16
1212     local_aligned_8
1213     localtime_r
1214     log2
1215     log2f
1216     loongson
1217     lrint
1218     lrintf
1219     lzo1x_999_compress
1220     machine_ioctl_bt848_h
1221     machine_ioctl_meteor_h
1222     makeinfo
1223     malloc_h
1224     MapViewOfFile
1225     memalign
1226     mkstemp
1227     mmap
1228     netinet_sctp_h
1229     PeekNamedPipe
1230     poll_h
1231     posix_memalign
1232     pthread_cancel
1233     round
1234     roundf
1235     sched_getaffinity
1236     sdl
1237     sdl_video_size
1238     setmode
1239     setrlimit
1240     sndio_h
1241     socklen_t
1242     soundcard_h
1243     strerror_r
1244     strptime
1245     struct_addrinfo
1246     struct_ipv6_mreq
1247     struct_rusage_ru_maxrss
1248     struct_sockaddr_in6
1249     struct_sockaddr_sa_len
1250     struct_sockaddr_storage
1251     struct_v4l2_frmivalenum_discrete
1252     symver
1253     symver_asm_label
1254     symver_gnu_asm
1255     sysconf
1256     sysctl
1257     sys_mman_h
1258     sys_param_h
1259     sys_resource_h
1260     sys_select_h
1261     sys_soundcard_h
1262     sys_videoio_h
1263     termios_h
1264     threads
1265     trunc
1266     truncf
1267     vfp_args
1268     VirtualAlloc
1269     winsock2_h
1270     xform_asm
1271     xmm_clobbers
1272     yasm
1273 "
1274
1275 # options emitted with CONFIG_ prefix but not available on command line
1276 CONFIG_EXTRA="
1277     aandct
1278     avutil
1279     golomb
1280     gplv3
1281     h264chroma
1282     h264dsp
1283     h264pred
1284     h264qpel
1285     huffman
1286     lgplv3
1287     lpc
1288 "
1289
1290 CMDLINE_SELECT="
1291     $ARCH_EXT_LIST
1292     $CONFIG_LIST
1293     $THREADS_LIST
1294     asm
1295     coverage
1296     cross_compile
1297     debug
1298     extra_warnings
1299     logging
1300     optimizations
1301     stripping
1302     symver
1303     yasm
1304 "
1305
1306 PATHS_LIST='
1307     bindir
1308     datadir
1309     incdir
1310     libdir
1311     mandir
1312     prefix
1313     shlibdir
1314 '
1315
1316 CMDLINE_SET="
1317     $PATHS_LIST
1318     ar
1319     arch
1320     as
1321     assert_level
1322     build_suffix
1323     cc
1324     cpu
1325     cross_prefix
1326     cxx
1327     dep_cc
1328     extra_version
1329     host_cc
1330     host_cflags
1331     host_ldflags
1332     host_libs
1333     host_os
1334     install
1335     ld
1336     logfile
1337     malloc_prefix
1338     nm
1339     optflags
1340     pkg_config
1341     postproc_version
1342     progs_suffix
1343     random_seed
1344     samples
1345     strip
1346     sysinclude
1347     sysroot
1348     target_exec
1349     target_os
1350     target_path
1351     valgrind
1352     yasmexe
1353 "
1354
1355 CMDLINE_APPEND="
1356     extra_cflags
1357     extra_cxxflags
1358 "
1359
1360 # code dependency declarations
1361
1362 # architecture extensions
1363
1364 armv5te_deps="arm"
1365 armv6_deps="arm"
1366 armv6t2_deps="arm"
1367 armvfp_deps="arm"
1368 neon_deps="arm"
1369 vfpv3_deps="armvfp"
1370
1371 mmi_deps="mips"
1372
1373 altivec_deps="ppc"
1374 ppc4xx_deps="ppc"
1375
1376 vis_deps="sparc"
1377
1378 x86_64_suggest="cmov fast_cmov"
1379 amd3dnow_deps="mmx"
1380 amd3dnowext_deps="amd3dnow"
1381 mmx_deps="x86"
1382 mmx2_deps="mmx"
1383 sse_deps="mmx"
1384 ssse3_deps="sse"
1385 avx_deps="ssse3"
1386
1387 aligned_stack_if_any="ppc x86"
1388 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1389 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1390 fast_unaligned_if_any="armv6 ppc x86"
1391
1392 inline_asm_deps="!tms470"
1393 need_memalign="altivec neon sse"
1394
1395 symver_if_any="symver_asm_label symver_gnu_asm"
1396
1397 # subsystems
1398 dct_select="rdft"
1399 mdct_select="fft"
1400 rdft_select="fft"
1401 mpegaudiodsp_select="dct"
1402
1403 # decoders / encoders / hardware accelerators
1404 aac_decoder_select="mdct sinewin"
1405 aac_encoder_select="mdct sinewin"
1406 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1407 ac3_decoder_select="mdct ac3dsp ac3_parser"
1408 ac3_encoder_select="mdct ac3dsp"
1409 ac3_fixed_encoder_select="mdct ac3dsp"
1410 alac_encoder_select="lpc"
1411 amrnb_decoder_select="lsp"
1412 amrwb_decoder_select="lsp"
1413 atrac1_decoder_select="mdct sinewin"
1414 atrac3_decoder_select="mdct"
1415 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1416 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1417 cavs_decoder_select="golomb"
1418 cook_decoder_select="mdct sinewin"
1419 cscd_decoder_suggest="zlib"
1420 dca_decoder_select="mdct"
1421 dnxhd_encoder_select="aandct"
1422 dxa_decoder_select="zlib"
1423 eac3_decoder_select="ac3_decoder"
1424 eac3_encoder_select="mdct ac3dsp"
1425 eamad_decoder_select="aandct"
1426 eatgq_decoder_select="aandct"
1427 eatqi_decoder_select="aandct"
1428 ffv1_decoder_select="golomb"
1429 flac_decoder_select="golomb"
1430 flac_encoder_select="golomb lpc"
1431 flashsv_decoder_select="zlib"
1432 flashsv_encoder_select="zlib"
1433 flashsv2_encoder_select="zlib"
1434 flashsv2_decoder_select="zlib"
1435 flv_decoder_select="h263_decoder"
1436 flv_encoder_select="h263_encoder"
1437 fraps_decoder_select="huffman"
1438 h261_encoder_select="aandct"
1439 h263_decoder_select="h263_parser"
1440 h263_encoder_select="aandct"
1441 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1442 h263i_decoder_select="h263_decoder"
1443 h263p_encoder_select="h263_encoder"
1444 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1445 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1446 h264_dxva2_hwaccel_deps="dxva2api_h"
1447 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1448 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1449 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1450 h264_vda_hwaccel_select="vda h264_decoder"
1451 h264_vdpau_decoder_select="vdpau h264_decoder"
1452 imc_decoder_select="fft mdct sinewin"
1453 jpegls_decoder_select="golomb"
1454 jpegls_encoder_select="golomb"
1455 ljpeg_encoder_select="aandct"
1456 loco_decoder_select="golomb"
1457 mjpeg_encoder_select="aandct"
1458 mlp_decoder_select="mlp_parser"
1459 mp1_decoder_select="mpegaudiodsp"
1460 mp1float_decoder_select="mpegaudiodsp"
1461 mp2_decoder_select="mpegaudiodsp"
1462 mp2float_decoder_select="mpegaudiodsp"
1463 mp3_decoder_select="mpegaudiodsp"
1464 mp3adu_decoder_select="mpegaudiodsp"
1465 mp3adufloat_decoder_select="mpegaudiodsp"
1466 mp3float_decoder_select="mpegaudiodsp"
1467 mp3on4_decoder_select="mpegaudiodsp"
1468 mp3on4float_decoder_select="mpegaudiodsp"
1469 mpc7_decoder_select="mpegaudiodsp"
1470 mpc8_decoder_select="mpegaudiodsp"
1471 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1472 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1473 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1474 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1475 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1476 mpeg1video_encoder_select="aandct"
1477 mpeg2_crystalhd_decoder_select="crystalhd"
1478 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1479 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1480 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1481 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1482 mpeg2video_encoder_select="aandct"
1483 mpeg4_crystalhd_decoder_select="crystalhd"
1484 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1485 mpeg4_encoder_select="h263_encoder"
1486 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1487 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1488 msmpeg4_crystalhd_decoder_select="crystalhd"
1489 msmpeg4v1_decoder_select="h263_decoder"
1490 msmpeg4v1_encoder_select="h263_encoder"
1491 msmpeg4v2_decoder_select="h263_decoder"
1492 msmpeg4v2_encoder_select="h263_encoder"
1493 msmpeg4v3_decoder_select="h263_decoder"
1494 msmpeg4v3_encoder_select="h263_encoder"
1495 nellymoser_decoder_select="mdct sinewin"
1496 nellymoser_encoder_select="mdct sinewin"
1497 png_decoder_select="zlib"
1498 png_encoder_select="zlib"
1499 qcelp_decoder_select="lsp"
1500 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1501 ra_144_encoder_select="lpc"
1502 ralf_decoder_select="golomb"
1503 rv10_decoder_select="h263_decoder"
1504 rv10_encoder_select="h263_encoder"
1505 rv20_decoder_select="h263_decoder"
1506 rv20_encoder_select="h263_encoder"
1507 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1508 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1509 shorten_decoder_select="golomb"
1510 sipr_decoder_select="lsp"
1511 snow_decoder_select="dwt"
1512 snow_encoder_select="aandct dwt"
1513 sonic_decoder_select="golomb"
1514 sonic_encoder_select="golomb"
1515 sonic_ls_encoder_select="golomb"
1516 svq1_encoder_select="aandct"
1517 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1518 svq3_decoder_suggest="zlib"
1519 theora_decoder_select="vp3_decoder"
1520 tiff_decoder_suggest="zlib"
1521 tiff_encoder_suggest="zlib"
1522 truehd_decoder_select="mlp_decoder"
1523 tscc_decoder_select="zlib"
1524 twinvq_decoder_select="mdct lsp sinewin"
1525 vc1_crystalhd_decoder_select="crystalhd"
1526 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1527 vc1_dxva2_hwaccel_deps="dxva2api_h"
1528 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1529 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1530 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1531 vc1image_decoder_select="vc1_decoder"
1532 vorbis_decoder_select="mdct"
1533 vorbis_encoder_select="mdct"
1534 vp6_decoder_select="huffman"
1535 vp6a_decoder_select="vp6_decoder"
1536 vp6f_decoder_select="vp6_decoder"
1537 vp8_decoder_select="h264pred h264qpel"
1538 wmapro_decoder_select="mdct sinewin"
1539 wmav1_decoder_select="mdct sinewin"
1540 wmav1_encoder_select="mdct sinewin"
1541 wmav2_decoder_select="mdct sinewin"
1542 wmav2_encoder_select="mdct sinewin"
1543 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1544 wmv1_decoder_select="h263_decoder"
1545 wmv1_encoder_select="h263_encoder"
1546 wmv2_decoder_select="h263_decoder"
1547 wmv2_encoder_select="h263_encoder"
1548 wmv3_decoder_select="vc1_decoder"
1549 wmv3_crystalhd_decoder_select="crystalhd"
1550 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1551 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1552 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1553 wmv3image_decoder_select="wmv3_decoder"
1554 zerocodec_decoder_select="zlib"
1555 zlib_decoder_select="zlib"
1556 zlib_encoder_select="zlib"
1557 zmbv_decoder_select="zlib"
1558 zmbv_encoder_select="zlib"
1559
1560 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1561 vaapi_deps="va_va_h"
1562 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1563 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1564
1565 # parsers
1566 h264_parser_select="golomb h264dsp h264pred"
1567
1568 # external libraries
1569 libaacplus_encoder_deps="libaacplus"
1570 libcelt_decoder_deps="libcelt"
1571 libfaac_encoder_deps="libfaac"
1572 libgsm_decoder_deps="libgsm"
1573 libgsm_encoder_deps="libgsm"
1574 libgsm_ms_decoder_deps="libgsm"
1575 libgsm_ms_encoder_deps="libgsm"
1576 libmodplug_demuxer_deps="libmodplug"
1577 libmp3lame_encoder_deps="libmp3lame"
1578 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1579 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1580 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1581 libopenjpeg_decoder_deps="libopenjpeg"
1582 libopenjpeg_encoder_deps="libopenjpeg"
1583 libschroedinger_decoder_deps="libschroedinger"
1584 libschroedinger_encoder_deps="libschroedinger"
1585 libspeex_decoder_deps="libspeex"
1586 libspeex_encoder_deps="libspeex"
1587 libstagefright_h264_decoder_deps="libstagefright_h264"
1588 libtheora_encoder_deps="libtheora"
1589 libvo_aacenc_encoder_deps="libvo_aacenc"
1590 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1591 libvorbis_decoder_deps="libvorbis"
1592 libvorbis_encoder_deps="libvorbis"
1593 libvpx_decoder_deps="libvpx"
1594 libvpx_encoder_deps="libvpx"
1595 libx264_encoder_deps="libx264"
1596 libx264rgb_encoder_deps="libx264"
1597 libxavs_encoder_deps="libxavs"
1598 libxvid_encoder_deps="libxvid"
1599 libutvideo_decoder_deps="libutvideo"
1600 libutvideo_encoder_deps="libutvideo"
1601
1602 # demuxers / muxers
1603 ac3_demuxer_select="ac3_parser"
1604 asf_stream_muxer_select="asf_muxer"
1605 avisynth_demuxer_deps="avisynth"
1606 dirac_demuxer_select="dirac_parser"
1607 eac3_demuxer_select="ac3_parser"
1608 flac_demuxer_select="flac_parser"
1609 ipod_muxer_select="mov_muxer"
1610 libnut_demuxer_deps="libnut"
1611 libnut_muxer_deps="libnut"
1612 matroska_audio_muxer_select="matroska_muxer"
1613 matroska_demuxer_suggest="zlib bzlib"
1614 mov_demuxer_suggest="zlib"
1615 mp3_demuxer_select="mpegaudio_parser"
1616 mp4_muxer_select="mov_muxer"
1617 mpegts_muxer_select="adts_muxer latm_muxer"
1618 mpegtsraw_demuxer_select="mpegts_demuxer"
1619 mxf_d10_muxer_select="mxf_muxer"
1620 ogg_demuxer_select="golomb"
1621 psp_muxer_select="mov_muxer"
1622 rtp_demuxer_select="sdp_demuxer"
1623 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1624 rtsp_demuxer_select="http_protocol rtpdec"
1625 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1626 sap_demuxer_select="sdp_demuxer"
1627 sap_muxer_select="rtp_muxer rtp_protocol"
1628 sdp_demuxer_select="rtpdec"
1629 spdif_muxer_select="aac_parser"
1630 tg2_muxer_select="mov_muxer"
1631 tgp_muxer_select="mov_muxer"
1632 w64_demuxer_deps="wav_demuxer"
1633
1634 # indevs / outdevs
1635 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1636 alsa_outdev_deps="alsa_asoundlib_h"
1637 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1638 dshow_indev_deps="IBaseFilter"
1639 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1640 dv1394_indev_deps="dv1394 dv_demuxer"
1641 fbdev_indev_deps="linux_fb_h"
1642 jack_indev_deps="jack_jack_h sem_timedwait"
1643 lavfi_indev_deps="avfilter"
1644 libcdio_indev_deps="libcdio"
1645 libdc1394_indev_deps="libdc1394"
1646 libv4l2_indev_deps="libv4l2"
1647 openal_indev_deps="openal"
1648 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1649 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1650 pulse_indev_deps="libpulse"
1651 sdl_outdev_deps="sdl"
1652 sndio_indev_deps="sndio_h"
1653 sndio_outdev_deps="sndio_h"
1654 v4l_indev_deps="linux_videodev_h"
1655 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1656 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1657 vfwcap_indev_extralibs="-lavicap32"
1658 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1659
1660 # protocols
1661 bluray_protocol_deps="libbluray"
1662 gopher_protocol_deps="network"
1663 httpproxy_protocol_deps="network"
1664 httpproxy_protocol_select="tcp_protocol"
1665 http_protocol_deps="network"
1666 http_protocol_select="tcp_protocol"
1667 https_protocol_select="tls_protocol"
1668 librtmp_protocol_deps="librtmp"
1669 librtmpe_protocol_deps="librtmp"
1670 librtmps_protocol_deps="librtmp"
1671 librtmpt_protocol_deps="librtmp"
1672 librtmpte_protocol_deps="librtmp"
1673 mmsh_protocol_select="http_protocol"
1674 mmst_protocol_deps="network"
1675 rtmp_protocol_deps="!librtmp_protocol"
1676 rtmp_protocol_select="tcp_protocol"
1677 rtp_protocol_select="udp_protocol"
1678 sctp_protocol_deps="network netinet_sctp_h"
1679 tcp_protocol_deps="network"
1680 tls_protocol_deps_any="openssl gnutls"
1681 tls_protocol_select="tcp_protocol"
1682 udp_protocol_deps="network"
1683
1684 # filters
1685 aconvert_filter_deps="swresample"
1686 amovie_filter_deps="avcodec avformat"
1687 aresample_filter_deps="swresample"
1688 ass_filter_deps="libass"
1689 asyncts_filter_deps="avresample"
1690 blackframe_filter_deps="gpl"
1691 boxblur_filter_deps="gpl"
1692 colormatrix_filter_deps="gpl"
1693 cropdetect_filter_deps="gpl"
1694 delogo_filter_deps="gpl"
1695 deshake_filter_deps="avcodec"
1696 drawtext_filter_deps="libfreetype"
1697 frei0r_filter_deps="frei0r dlopen"
1698 frei0r_filter_extralibs='$ldl'
1699 frei0r_src_filter_deps="frei0r dlopen"
1700 frei0r_src_filter_extralibs='$ldl'
1701 hqdn3d_filter_deps="gpl"
1702 movie_filter_deps="avcodec avformat"
1703 mp_filter_deps="gpl avcodec swscale postproc"
1704 mptestsrc_filter_deps="gpl"
1705 negate_filter_deps="lut_filter"
1706 resample_filter_deps="avresample"
1707 ocv_filter_deps="libopencv"
1708 pan_filter_deps="swresample"
1709 removelogo_filter_deps="avcodec avformat swscale"
1710 scale_filter_deps="swscale"
1711 select_filter_deps="avcodec"
1712 super2xsai_filter_deps="gpl"
1713 tinterlace_filter_deps="gpl"
1714 yadif_filter_deps="gpl"
1715
1716 # libraries
1717 avdevice_deps="avcodec avformat"
1718 avfilter_deps="swscale"
1719 avformat_deps="avcodec"
1720 postproc_deps="gpl"
1721
1722 # programs
1723 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1724 ffmpeg_select="buffersink_filter format_filter aformat_filter
1725                setpts_filter null_filter anull_filter"
1726 ffplay_deps="avcodec avformat swscale swresample sdl"
1727 ffplay_select="buffersink_filter rdft"
1728 ffprobe_deps="avcodec avformat"
1729 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1730 ffserver_extralibs='$ldl'
1731
1732 doc_deps="texi2html"
1733
1734 # tests
1735
1736 test_deps(){
1737     suf1=$1
1738     suf2=$2
1739     shift 2
1740     for v; do
1741         dep=${v%=*}
1742         tests=${v#*=}
1743         for name in ${tests}; do
1744             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1745         done
1746     done
1747 }
1748
1749 mxf_d10_test_deps="avfilter"
1750 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1751
1752 test_deps _muxer _demuxer                                               \
1753     aiff                                                                \
1754     pcm_alaw=alaw                                                       \
1755     asf                                                                 \
1756     au                                                                  \
1757     avi                                                                 \
1758     dv=dv_fmt                                                           \
1759     ffm                                                                 \
1760     flv=flv_fmt                                                         \
1761     gxf                                                                 \
1762     matroska=mkv                                                        \
1763     mmf                                                                 \
1764     mov="mov ismv"                                                      \
1765     pcm_mulaw=mulaw                                                     \
1766     mxf="mxf mxf_d10"                                                   \
1767     nut                                                                 \
1768     ogg="ogg ogg_vp3"                                                   \
1769     rawvideo=pixfmt                                                     \
1770     rm                                                                  \
1771     swf                                                                 \
1772     mpegts=ts                                                           \
1773     voc                                                                 \
1774     wav                                                                 \
1775     yuv4mpegpipe=yuv4mpeg                                               \
1776
1777 colormatrix1_test_deps="colormatrix_filter"
1778 colormatrix2_test_deps="colormatrix_filter"
1779 flashsv2_test_deps="zlib"
1780 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1781 mpng_test_deps="zlib"
1782 pp_test_deps="mp_filter"
1783 pp2_test_deps="mp_filter"
1784 pp3_test_deps="mp_filter"
1785 pp4_test_deps="mp_filter"
1786 pp5_test_deps="mp_filter"
1787 pp6_test_deps="mp_filter"
1788 zlib_test_deps="zlib"
1789 zmbv_test_deps="zlib"
1790
1791 # default parameters
1792
1793 logfile="config.log"
1794
1795 # installation paths
1796 prefix_default="/usr/local"
1797 bindir_default='${prefix}/bin'
1798 datadir_default='${prefix}/share/ffmpeg'
1799 incdir_default='${prefix}/include'
1800 libdir_default='${prefix}/lib'
1801 mandir_default='${prefix}/share/man'
1802 shlibdir_default="$libdir_default"
1803 postproc_version_default="current"
1804
1805 # toolchain
1806 ar_default="ar"
1807 cc_default="gcc"
1808 cxx_default="g++"
1809 cc_version=\"unknown\"
1810 host_cc_default="gcc"
1811 install="install"
1812 ln_s="ln -sf"
1813 nm_default="nm"
1814 objformat="elf"
1815 pkg_config_default=pkg-config
1816 ranlib="ranlib"
1817 strip_default="strip"
1818 yasmexe_default="yasm"
1819
1820 nm_opts='-g'
1821 nogas=":"
1822
1823 # machine
1824 arch_default=$(uname -m)
1825 cpu="generic"
1826
1827 # OS
1828 target_os_default=$(tolower $(uname -s))
1829 host_os=$target_os_default
1830
1831 # alternative libpostproc version
1832 ALT_PP_VER_MAJOR=51
1833 ALT_PP_VER_MINOR=2
1834 ALT_PP_VER_MICRO=101
1835 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1836
1837 # configurable options
1838 enable $PROGRAM_LIST
1839
1840 enable avcodec
1841 enable avdevice
1842 enable avfilter
1843 enable avformat
1844 enable avutil
1845 enable postproc
1846 enable stripping
1847 enable swresample
1848 enable swscale
1849
1850 enable asm
1851 enable debug
1852 enable doc
1853 enable fastdiv
1854 enable network
1855 enable optimizations
1856 enable safe_bitstream_reader
1857 enable static
1858 enable swscale_alpha
1859
1860 # build settings
1861 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1862 FFSERVERLDFLAGS=-Wl,-E
1863 LIBPREF="lib"
1864 LIBSUF=".a"
1865 FULLNAME='$(NAME)$(BUILDSUF)'
1866 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1867 SLIBPREF="lib"
1868 SLIBSUF=".so"
1869 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1870 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1871 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1872 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1873 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1874 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1875
1876 AS_O='-o $@'
1877 CC_O='-o $@'
1878 CXX_O='-o $@'
1879
1880 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1881 host_libs='-lm'
1882
1883 target_path='$(CURDIR)'
1884
1885 # since the object filename is not given with the -MM flag, the compiler
1886 # is only able to print the basename, and we must add the path ourselves
1887 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1888 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1889
1890 # find source path
1891 if test -f configure; then
1892     source_path=.
1893 else
1894     source_path=$(cd $(dirname "$0"); pwd)
1895     echo "$source_path" | grep -q '[[:blank:]]' &&
1896         die "Out of tree builds are impossible with whitespace in source path."
1897     test -e "$source_path/config.h" &&
1898         die "Out of tree builds are impossible with config.h in source dir."
1899 fi
1900
1901 for v in "$@"; do
1902     r=${v#*=}
1903     l=${v%"$r"}
1904     r=$(sh_quote "$r")
1905     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1906 done
1907
1908 find_things(){
1909     thing=$1
1910     pattern=$2
1911     file=$source_path/$3
1912     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1913 }
1914
1915 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1916 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1917 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1918 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1919 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1920 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1921 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1922 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1923 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1924 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1925 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1926
1927 ALL_COMPONENTS="
1928     $BSF_LIST
1929     $DECODER_LIST
1930     $DEMUXER_LIST
1931     $ENCODER_LIST
1932     $FILTER_LIST
1933     $HWACCEL_LIST
1934     $INDEV_LIST
1935     $MUXER_LIST
1936     $OUTDEV_LIST
1937     $PARSER_LIST
1938     $PROTOCOL_LIST
1939 "
1940
1941 find_tests(){
1942     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1943 }
1944
1945 LAVF_FATE_TESTS=$(find_tests lavf-fate)
1946 LAVF_TESTS=$(find_tests lavf)
1947 LAVFI_TESTS=$(find_tests lavfi)
1948 SEEK_TESTS=$(find_tests seek seek_)
1949
1950 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1951
1952 for n in $COMPONENT_LIST; do
1953     v=$(toupper ${n%s})_LIST
1954     eval enable \$$v
1955     eval ${n}_if_any="\$$v"
1956 done
1957
1958 enable $ARCH_EXT_LIST $ALL_TESTS
1959
1960 die_unknown(){
1961     echo "Unknown option \"$1\"."
1962     echo "See $0 --help for available options."
1963     exit 1
1964 }
1965
1966 show_list() {
1967     suffix=_$1
1968     shift
1969     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1970     exit 0
1971 }
1972
1973 rand_list(){
1974     IFS=', '
1975     set -- $*
1976     unset IFS
1977     for thing; do
1978         comp=${thing%:*}
1979         prob=${thing#$comp}
1980         prob=${prob#:}
1981         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1982         echo "prob ${prob:-0.5}"
1983         printf '%s\n' $comp
1984     done
1985 }
1986
1987 do_random(){
1988     action=$1
1989     shift
1990     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1991     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1992 }
1993
1994 for opt do
1995     optval="${opt#*=}"
1996     case "$opt" in
1997     --extra-ldflags=*) add_ldflags $optval
1998     ;;
1999     --extra-libs=*) add_extralibs $optval
2000     ;;
2001     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2002     ;;
2003     --enable-debug=*) debuglevel="$optval"
2004     ;;
2005     --disable-everything)
2006     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2007     ;;
2008     --enable-random|--disable-random)
2009     action=${opt%%-random}
2010     do_random ${action#--} $COMPONENT_LIST
2011     ;;
2012     --enable-random=*|--disable-random=*)
2013     action=${opt%%-random=*}
2014     do_random ${action#--} $optval
2015     ;;
2016     --enable-*=*|--disable-*=*)
2017     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2018     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2019     eval list=\$$(toupper $thing)_LIST
2020     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2021     $action $(filter "$name" $list)
2022     ;;
2023     --enable-?*|--disable-?*)
2024     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2025     if is_in $option $COMPONENT_LIST; then
2026         test $action = disable && action=unset
2027         eval $action \$$(toupper ${option%s})_LIST
2028     elif is_in $option $CMDLINE_SELECT; then
2029         $action $option
2030     else
2031         die_unknown $opt
2032     fi
2033     ;;
2034     --list-*)
2035         NAME="${opt#--list-}"
2036         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2037         NAME=${NAME%s}
2038         eval show_list $NAME \$$(toupper $NAME)_LIST
2039     ;;
2040     --help|-h) show_help
2041     ;;
2042     *)
2043     optname="${opt%%=*}"
2044     optname="${optname#--}"
2045     optname=$(echo "$optname" | sed 's/-/_/g')
2046     if is_in $optname $CMDLINE_SET; then
2047         eval $optname='$optval'
2048     elif is_in $optname $CMDLINE_APPEND; then
2049         append $optname "$optval"
2050     else
2051          die_unknown $opt
2052     fi
2053     ;;
2054     esac
2055 done
2056
2057 disabled logging && logfile=/dev/null
2058
2059 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2060 set >> $logfile
2061
2062 test -n "$cross_prefix" && enable cross_compile
2063
2064 if enabled cross_compile; then
2065     test -n "$arch" && test -n "$target_os" ||
2066         die "Must specify target arch and OS when cross-compiling"
2067 fi
2068
2069 set_default arch target_os postproc_version
2070
2071 # Check if we should build alternative libpostproc version instead of current
2072 if   test "$postproc_version" = $ALT_PP_VER; then
2073   LIBPOSTPROC_VERSION=$ALT_PP_VER
2074   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2075   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2076   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2077 elif test "$postproc_version" != current; then
2078   die "Invalid argument to --postproc-version. See --help output."
2079 fi
2080
2081 ar_default="${cross_prefix}${ar_default}"
2082 cc_default="${cross_prefix}${cc_default}"
2083 cxx_default="${cross_prefix}${cxx_default}"
2084 nm_default="${cross_prefix}${nm_default}"
2085 pkg_config_default="${cross_prefix}${pkg_config_default}"
2086 ranlib="${cross_prefix}${ranlib}"
2087 strip_default="${cross_prefix}${strip_default}"
2088
2089 sysinclude_default="${sysroot}/usr/include"
2090
2091 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2092 enabled cross_compile || host_cc_default=$cc
2093 set_default host_cc
2094
2095 if ! $pkg_config --version >/dev/null 2>&1; then
2096     warn "$pkg_config not found, library detection may fail."
2097     pkg_config=false
2098 fi
2099
2100 exesuf() {
2101     case $1 in
2102         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2103     esac
2104 }
2105
2106 EXESUF=$(exesuf $target_os)
2107 HOSTEXESUF=$(exesuf $host_os)
2108
2109 # set temporary file name
2110 : ${TMPDIR:=$TEMPDIR}
2111 : ${TMPDIR:=$TMP}
2112 : ${TMPDIR:=/tmp}
2113
2114 if ! check_cmd mktemp -u XXXXXX; then
2115     # simple replacement for missing mktemp
2116     # NOT SAFE FOR GENERAL USE
2117     mktemp(){
2118         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2119     }
2120 fi
2121
2122 tmpfile(){
2123     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2124         (set -C; exec > $tmp) 2>/dev/null ||
2125         die "Unable to create temporary file in $TMPDIR."
2126     append TMPFILES $tmp
2127     eval $1=$tmp
2128 }
2129
2130 trap 'rm -f -- $TMPFILES' EXIT
2131
2132 tmpfile TMPASM .asm
2133 tmpfile TMPC   .c
2134 tmpfile TMPCPP .cpp
2135 tmpfile TMPE   $EXESUF
2136 tmpfile TMPH   .h
2137 tmpfile TMPO   .o
2138 tmpfile TMPS   .S
2139 tmpfile TMPSH  .sh
2140 tmpfile TMPV   .ver
2141
2142 unset -f mktemp
2143
2144 chmod +x $TMPE
2145
2146 # make sure we can execute files in $TMPDIR
2147 cat > $TMPSH 2>> $logfile <<EOF
2148 #! /bin/sh
2149 EOF
2150 chmod +x $TMPSH >> $logfile 2>&1
2151 if ! $TMPSH >> $logfile 2>&1; then
2152     cat <<EOF
2153 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2154 variable to another directory and make sure that it is not mounted noexec.
2155 EOF
2156     die "Sanity test failed."
2157 fi
2158
2159 filter_asflags=echo
2160 filter_cflags=echo
2161 filter_cppflags=echo
2162
2163 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2164     cc_type=llvm_gcc
2165     cc_version=__VERSION__
2166     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2167     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2168     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2169     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2170     speed_cflags='-O3'
2171     size_cflags='-Os'
2172 elif $cc -v 2>&1 | grep -qi ^gcc; then
2173     cc_type=gcc
2174     cc_version=__VERSION__
2175     gcc_version=$($cc --version | head -n1)
2176     gcc_basever=$($cc -dumpversion)
2177     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2178     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2179     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2180     if ! $cc -dumpversion | grep -q '^2\.'; then
2181         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2182         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2183     fi
2184     speed_cflags='-O3'
2185     size_cflags='-Os'
2186 elif $cc --version 2>/dev/null | grep -q Intel; then
2187     cc_type=icc
2188     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2189     cc_ident=$($cc --version | head -n1)
2190     icc_version=$($cc -dumpversion)
2191     CC_DEPFLAGS='-MMD'
2192     AS_DEPFLAGS='-MMD'
2193     speed_cflags='-O3'
2194     size_cflags='-Os'
2195     noopt_cflags='-O1'
2196 elif $cc -v 2>&1 | grep -q xlc; then
2197     cc_type=xlc
2198     cc_version="AV_STRINGIFY(__IBMC__)"
2199     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2200     speed_cflags='-O5'
2201     size_cflags='-O5 -qcompact'
2202 elif $cc -V 2>/dev/null | grep -q Compaq; then
2203     cc_type=ccc
2204     cc_version="AV_STRINGIFY(__DECC_VER)"
2205     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2206     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2207     debuglevel=3
2208     add_ldflags -Wl,-z,now # calls to libots crash without this
2209     speed_cflags='-fast'
2210     size_cflags='-O1'
2211 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2212     test -d "$sysroot" || die "No valid sysroot specified."
2213     cc_type=armcc
2214     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2215     cc_ident=$($cc --vsn | head -n1)
2216     armcc_conf="$PWD/armcc.conf"
2217     $cc --arm_linux_configure                 \
2218         --arm_linux_config_file="$armcc_conf" \
2219         --configure_sysroot="$sysroot"        \
2220         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2221         die "Error creating armcc configuration file."
2222     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2223     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2224     as_default="${cross_prefix}gcc"
2225     CC_DEPFLAGS='-MMD'
2226     AS_DEPFLAGS='-MMD'
2227     speed_cflags='-O3'
2228     size_cflags='-Os'
2229     filter_asflags="filter_out -W${armcc_opt}*"
2230 elif $cc -version 2>/dev/null | grep -q TMS470; then
2231     cc_type=tms470
2232     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2233     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2234     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2235     CC_O='-fr=$(@D)'
2236     as_default="${cross_prefix}gcc"
2237     ld_default="${cross_prefix}gcc"
2238     TMPO=$(basename $TMPC .c).o
2239     append TMPFILES $TMPO
2240     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2241     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2242     AS_DEPFLAGS='-MMD'
2243     speed_cflags='-O3 -mf=5'
2244     size_cflags='-O3 -mf=2'
2245     filter_cflags=tms470_flags
2246     tms470_flags(){
2247         for flag; do
2248             case $flag in
2249                 -march=*|-mcpu=*)
2250                     case "${flag#*=}" in
2251                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2252                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2253                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2254                         armv6*|arm11*)          echo -mv=6   ;;
2255                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2256                                                 echo -mv=5e  ;;
2257                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2258                     esac
2259                     ;;
2260                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2261                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2262                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2263                 -msoft-float)   echo --float_support=vfplib       ;;
2264                 -O[0-3]|-mf=*)  echo $flag                        ;;
2265                 -g)             echo -g -mn                       ;;
2266                 -pds=*)         echo $flag                        ;;
2267             esac
2268         done
2269     }
2270 elif $cc -v 2>&1 | grep -q clang; then
2271     cc_type=clang
2272     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2273         cc_version=__clang_version__ || cc_version=__VERSION__
2274     cc_ident=$($cc --version | head -n1)
2275     CC_DEPFLAGS='-MMD'
2276     AS_DEPFLAGS='-MMD'
2277     speed_cflags='-O3'
2278     size_cflags='-Os'
2279 elif $cc -V 2>&1 | grep -q Sun; then
2280     cc_type=suncc
2281     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2282     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2283     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2284     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2285     add_ldflags -xc99
2286     speed_cflags='-O5'
2287     size_cflags='-O5 -xspace'
2288     filter_cflags=suncc_flags
2289     suncc_flags(){
2290         for flag; do
2291             case $flag in
2292                 -march=*|-mcpu=*)
2293                     case "${flag#*=}" in
2294                         native)                   echo -xtarget=native       ;;
2295                         v9|niagara)               echo -xarch=sparc          ;;
2296                         ultrasparc)               echo -xarch=sparcvis       ;;
2297                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2298                         i586|pentium)             echo -xchip=pentium        ;;
2299                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2300                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2301                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2302                         pentium4*)          echo -xtarget=pentium4           ;;
2303                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2304                         *-sse3)             echo -xarch=sse3                 ;;
2305                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2306                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2307                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2308                         k8|opteron|athlon64|athlon-fx)
2309                                                   echo -xarch=sse2a          ;;
2310                         athlon*)                  echo -xarch=pentium_proa   ;;
2311                     esac
2312                     ;;
2313                 -std=c99)             echo -xc99              ;;
2314                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2315                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2316                 -W*,*)                echo $flag              ;;
2317                 -f*-*|-W*)                                    ;;
2318                 *)                    echo $flag              ;;
2319             esac
2320         done
2321     }
2322 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2323     cc_type=pathscale
2324     cc_version=__PATHSCALE__
2325     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2326     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2327     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2328     speed_cflags='-O2'
2329     size_cflags='-Os'
2330     filter_cflags='filter_out -Wdisabled-optimization'
2331 elif $cc -v 2>&1 | grep -q Open64; then
2332     cc_type=open64
2333     cc_version=__OPEN64__
2334     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2335     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2336     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2337     speed_cflags='-O2'
2338     size_cflags='-Os'
2339     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2340 elif $cc -V 2>&1 | grep -q Portland; then
2341     cc_type=pgi
2342     cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2343     cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2344     opt_common='-alias=ansi -Mlre -Mpre'
2345     speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2346     size_cflags="-O2 -Munroll=c:1 $opt_common"
2347     noopt_cflags="-O1"
2348     filter_cflags=pgi_flags
2349     pgi_flags(){
2350         for flag; do
2351             case $flag in
2352                 -fomit-frame-pointer) echo -Mnoframe ;;
2353                 -g)                   echo -gopt ;;
2354                 *)                    echo $flag ;;
2355             esac
2356         done
2357     }
2358 fi
2359
2360 test -n "$cc_type" && enable $cc_type ||
2361     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2362
2363 : ${as_default:=$cc}
2364 : ${dep_cc_default:=$cc}
2365 : ${ld_default:=$cc}
2366 set_default ar as dep_cc ld
2367
2368 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2369 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2370 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2371
2372 add_cflags $extra_cflags
2373 add_cxxflags $extra_cxxflags
2374 add_asflags $extra_cflags
2375
2376 if test -n "$sysroot"; then
2377     case "$cc_type" in
2378         gcc|llvm_gcc|clang)
2379             add_cppflags --sysroot="$sysroot"
2380             add_ldflags --sysroot="$sysroot"
2381         ;;
2382         tms470)
2383             add_cppflags -I"$sysinclude"
2384             add_ldflags  --sysroot="$sysroot"
2385         ;;
2386     esac
2387 fi
2388
2389 if test "$cpu" = host; then
2390     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2391
2392     case "$cc_type" in
2393         gcc|llvm_gcc)
2394             check_native(){
2395                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2396                 sed -n "/cc1.*$1=/{
2397                             s/.*$1=\\([^ ]*\\).*/\\1/
2398                             p
2399                             q
2400                         }" $TMPE
2401             }
2402             cpu=$(check_native -march || check_native -mcpu)
2403         ;;
2404     esac
2405
2406     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2407 fi
2408
2409 # Deal with common $arch aliases
2410 case "$arch" in
2411     arm*|iPad*)
2412         arch="arm"
2413     ;;
2414     mips|mipsel|IP*)
2415         arch="mips"
2416     ;;
2417     mips64*)
2418         arch="mips"
2419         subarch="mips64"
2420     ;;
2421     parisc|hppa)
2422         arch="parisc"
2423     ;;
2424     parisc64|hppa64)
2425         arch="parisc"
2426         subarch="parisc64"
2427     ;;
2428     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2429         arch="ppc"
2430     ;;
2431     s390|s390x)
2432         arch="s390"
2433     ;;
2434     sh4|sh)
2435         arch="sh4"
2436     ;;
2437     sun4u|sparc64)
2438         arch="sparc"
2439         subarch="sparc64"
2440     ;;
2441     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2442         arch="x86"
2443     ;;
2444 esac
2445
2446 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2447 enable $arch
2448
2449 # Add processor-specific flags
2450 if test "$cpu" = generic; then
2451     : do nothing
2452 elif enabled ppc; then
2453
2454     case $(tolower $cpu) in
2455         601|ppc601|powerpc601)
2456             cpuflags="-mcpu=601"
2457             disable altivec
2458         ;;
2459         603*|ppc603*|powerpc603*)
2460             cpuflags="-mcpu=603"
2461             disable altivec
2462         ;;
2463         604*|ppc604*|powerpc604*)
2464             cpuflags="-mcpu=604"
2465             disable altivec
2466         ;;
2467         g3|75*|ppc75*|powerpc75*)
2468             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2469             disable altivec
2470         ;;
2471         g4|745*|ppc745*|powerpc745*)
2472             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2473         ;;
2474         74*|ppc74*|powerpc74*)
2475             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2476         ;;
2477         g5|970|ppc970|powerpc970)
2478             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2479         ;;
2480         power[3-7]*)
2481             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2482         ;;
2483         cell)
2484             cpuflags="-mcpu=cell"
2485             enable ldbrx
2486         ;;
2487         e500v2)
2488             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2489             disable altivec
2490         ;;
2491         e500)
2492             cpuflags="-mcpu=8540 -mhard-float"
2493             disable altivec
2494         ;;
2495     esac
2496
2497 elif enabled x86; then
2498
2499     case $cpu in
2500         i[345]86|pentium)
2501             cpuflags="-march=$cpu"
2502             disable mmx
2503         ;;
2504         # targets that do NOT support conditional mov (cmov)
2505         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2506             cpuflags="-march=$cpu"
2507             disable cmov
2508         ;;
2509         # targets that do support conditional mov (cmov)
2510         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2511             cpuflags="-march=$cpu"
2512             enable cmov
2513             enable fast_cmov
2514         ;;
2515         # targets that do support conditional mov but on which it's slow
2516         pentium4|pentium4m|prescott|nocona)
2517             cpuflags="-march=$cpu"
2518             enable cmov
2519             disable fast_cmov
2520         ;;
2521     esac
2522
2523 elif enabled sparc; then
2524
2525     case $cpu in
2526         niagara)
2527             cpuflags="-mcpu=$cpu"
2528             disable vis
2529         ;;
2530         sparc64)
2531             cpuflags="-mcpu=v9"
2532         ;;
2533     esac
2534
2535 elif enabled arm; then
2536
2537     case $cpu in
2538         armv*)
2539             cpuflags="-march=$cpu"
2540             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2541         ;;
2542         *)
2543             cpuflags="-mcpu=$cpu"
2544             case $cpu in
2545                 cortex-a*)                               subarch=armv7a  ;;
2546                 cortex-r*)                               subarch=armv7r  ;;
2547                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2548                 arm11*)                                  subarch=armv6   ;;
2549                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2550                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2551             esac
2552         ;;
2553     esac
2554
2555 elif enabled alpha; then
2556
2557     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2558
2559 elif enabled bfin; then
2560
2561     cpuflags="-mcpu=$cpu"
2562
2563 elif enabled mips; then
2564
2565     cpuflags="-march=$cpu"
2566
2567 elif enabled avr32; then
2568
2569     case $cpu in
2570         ap7[02]0[0-2])
2571             subarch="avr32_ap"
2572             cpuflags="-mpart=$cpu"
2573         ;;
2574         ap)
2575             subarch="avr32_ap"
2576             cpuflags="-march=$cpu"
2577         ;;
2578         uc3[ab]*)
2579             subarch="avr32_uc"
2580             cpuflags="-mcpu=$cpu"
2581         ;;
2582         uc)
2583             subarch="avr32_uc"
2584             cpuflags="-march=$cpu"
2585         ;;
2586     esac
2587
2588 fi
2589
2590 add_cflags $cpuflags
2591 add_asflags $cpuflags
2592
2593 # compiler sanity check
2594 check_exec <<EOF
2595 int main(void){ return 0; }
2596 EOF
2597 if test "$?" != 0; then
2598     echo "$cc is unable to create an executable file."
2599     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2600         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2601         echo "Only do this if you know what cross compiling means."
2602     fi
2603     die "C compiler test failed."
2604 fi
2605
2606 add_cppflags -D_ISOC99_SOURCE
2607 add_cxxflags -D__STDC_CONSTANT_MACROS
2608 check_cflags -std=c99
2609 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2610 #include <stdlib.h>
2611 EOF
2612 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2613 #include <stdlib.h>
2614 EOF
2615
2616 check_host_cflags -std=c99
2617 check_host_cflags -Wall
2618
2619 case "$arch" in
2620     alpha|ia64|mips|parisc|sparc)
2621         spic=$shared
2622     ;;
2623     x86)
2624         subarch="x86_32"
2625         check_cc <<EOF && subarch="x86_64"
2626         int test[(int)sizeof(char*) - 7];
2627 EOF
2628         if test "$subarch" = "x86_64"; then
2629             spic=$shared
2630         fi
2631     ;;
2632     ppc)
2633         check_cc <<EOF && subarch="ppc64"
2634         int test[(int)sizeof(char*) - 7];
2635 EOF
2636     ;;
2637 esac
2638
2639 enable $subarch
2640 enabled spic && enable pic
2641
2642 # OS specific
2643 case $target_os in
2644     haiku)
2645         prefix_default="/boot/common"
2646         network_extralibs="-lnetwork"
2647         host_libs=
2648         ;;
2649     sunos)
2650         FFSERVERLDFLAGS=""
2651         SHFLAGS='-shared -Wl,-h,$$(@F)'
2652         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2653         network_extralibs="-lsocket -lnsl"
2654         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2655         # When using suncc to build, the Solaris linker will mark
2656         # an executable with each instruction set encountered by
2657         # the Solaris assembler.  As our libraries contain their own
2658         # guards for processor-specific code, instead suppress
2659         # generation of the HWCAPS ELF section on Solaris x86 only.
2660         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2661         nm_opts='-P -g'
2662         ;;
2663     netbsd)
2664         disable symver
2665         oss_indev_extralibs="-lossaudio"
2666         oss_outdev_extralibs="-lossaudio"
2667         ;;
2668     openbsd)
2669         # On OpenBSD 4.5. the compiler does not use PIC unless
2670         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2671         # however the generated executable will not do anything
2672         # (simply quits with exit-code 1, no crash, no output).
2673         # Thus explicitly enable PIC here.
2674         enable pic
2675         disable symver
2676         SHFLAGS='-shared'
2677         oss_indev_extralibs="-lossaudio"
2678         oss_outdev_extralibs="-lossaudio"
2679         ;;
2680     dragonfly)
2681         disable symver
2682         ;;
2683     freebsd)
2684         ;;
2685     bsd/os)
2686         add_extralibs -lpoll -lgnugetopt
2687         strip="strip -d"
2688         ;;
2689     darwin)
2690         gas="gas-preprocessor.pl $cc"
2691         enabled ppc && add_asflags -force_cpusubtype_ALL
2692         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2693         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2694         strip="${strip} -x"
2695         add_ldflags -Wl,-dynamic,-search_paths_first
2696         SLIBSUF=".dylib"
2697         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2698         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2699         FFSERVERLDFLAGS=-Wl,-bind_at_load
2700         objformat="macho"
2701         enabled x86_64 && objformat="macho64"
2702         enabled_any pic shared ||
2703             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2704         ;;
2705     mingw32*)
2706         if test $target_os = "mingw32ce"; then
2707             disable network
2708         else
2709             target_os=mingw32
2710         fi
2711         LIBTARGET=i386
2712         if enabled x86_64; then
2713             LIBTARGET=x64
2714         elif enabled arm; then
2715             LIBTARGET=arm-wince
2716         fi
2717         shlibdir_default="$bindir_default"
2718         SLIBPREF=""
2719         SLIBSUF=".dll"
2720         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2721         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2722         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2723         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2724         SLIB_INSTALL_LINKS=
2725         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2726         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2727         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'
2728         objformat="win32"
2729         enable dos_paths
2730         check_cflags -fno-common
2731         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2732                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2733                 die "ERROR: MinGW runtime version must be >= 3.15."
2734         add_cppflags -U__STRICT_ANSI__
2735         ;;
2736     cygwin*)
2737         target_os=cygwin
2738         shlibdir_default="$bindir_default"
2739         SLIBPREF="cyg"
2740         SLIBSUF=".dll"
2741         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2742         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2743         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2744         objformat="win32"
2745         enable dos_paths
2746         check_cflags -fno-common
2747         add_cppflags -U__STRICT_ANSI__
2748         ;;
2749     *-dos|freedos|opendos)
2750         network_extralibs="-lsocket"
2751         objformat="coff"
2752         enable dos_paths
2753         add_cppflags -U__STRICT_ANSI__
2754         ;;
2755     linux)
2756         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2757         enable dv1394
2758         ;;
2759     irix*)
2760         target_os=irix
2761         ranlib="echo ignoring ranlib"
2762         ;;
2763     os/2*)
2764         strip="lxlite -CS"
2765         ln_s="cp -f"
2766         objformat="aout"
2767         add_cppflags -D_GNU_SOURCE
2768         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2769         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2770         FFSERVERLDFLAGS=""
2771         LIBSUF="_s.a"
2772         SLIBPREF=""
2773         SLIBSUF=".dll"
2774         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2775         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2776         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2777           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2778           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2779           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2780           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2781           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2782         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2783           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2784         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2785         enable dos_paths
2786         enable_weak os2threads
2787         ;;
2788     gnu/kfreebsd)
2789         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2790         ;;
2791     gnu)
2792         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2793         ;;
2794     qnx)
2795         add_cppflags -D_QNX_SOURCE
2796         network_extralibs="-lsocket"
2797         ;;
2798     symbian)
2799         SLIBSUF=".dll"
2800         enable dos_paths
2801         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2802         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2803         add_ldflags -Wl,--target1-abs,--no-undefined \
2804                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2805                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2806         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2807                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2808                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2809         ;;
2810     none)
2811         ;;
2812     *)
2813         die "Unknown OS '$target_os'."
2814         ;;
2815 esac
2816
2817 esc(){
2818     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2819 }
2820
2821 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
2822
2823 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2824
2825 set_default $PATHS_LIST
2826
2827 # we need to build at least one lib type
2828 if ! enabled_any static shared; then
2829     cat <<EOF
2830 At least one library type must be built.
2831 Specify --enable-static to build the static libraries or --enable-shared to
2832 build the shared libraries as well. To only build the shared libraries specify
2833 --disable-static in addition to --enable-shared.
2834 EOF
2835     exit 1;
2836 fi
2837
2838 die_license_disabled() {
2839     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2840 }
2841
2842 die_license_disabled_gpl() {
2843     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
2844 }
2845
2846 die_license_disabled gpl libcdio
2847 die_license_disabled gpl libutvideo
2848 die_license_disabled gpl libx264
2849 die_license_disabled gpl libxavs
2850 die_license_disabled gpl libxvid
2851 die_license_disabled gpl x11grab
2852
2853 die_license_disabled nonfree libaacplus
2854 die_license_disabled nonfree libfaac
2855 enabled gpl && die_license_disabled_gpl nonfree openssl
2856
2857 die_license_disabled version3 libopencore_amrnb
2858 die_license_disabled version3 libopencore_amrwb
2859 die_license_disabled version3 libvo_aacenc
2860 die_license_disabled version3 libvo_amrwbenc
2861
2862 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2863
2864 disabled optimizations || check_cflags -fomit-frame-pointer
2865
2866 enable_pic() {
2867     enable pic
2868     add_cppflags -DPIC
2869     add_cflags   -fPIC
2870     add_asflags  -fPIC
2871 }
2872
2873 enabled pic && enable_pic
2874
2875 check_cc <<EOF || die "Symbol mangling check failed."
2876 int ff_extern;
2877 EOF
2878 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2879 extern_prefix=${sym%%ff_extern*}
2880
2881 check_cc <<EOF && enable inline_asm
2882 void foo(void) { __asm__ volatile ("" ::); }
2883 EOF
2884
2885 _restrict=
2886 for restrict_keyword in restrict __restrict__ __restrict; do
2887     check_cc <<EOF && _restrict=$restrict_keyword && break
2888 void foo(char * $restrict_keyword p);
2889 EOF
2890 done
2891
2892 check_cc <<EOF && enable attribute_packed
2893 struct { int x; } __attribute__((packed)) x;
2894 EOF
2895
2896 check_cc <<EOF && enable attribute_may_alias
2897 union { int x; } __attribute__((may_alias)) x;
2898 EOF
2899
2900 check_cc <<EOF || die "endian test failed"
2901 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2902 EOF
2903 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2904
2905 if enabled alpha; then
2906
2907     check_cflags -mieee
2908
2909 elif enabled arm; then
2910
2911     enabled thumb && check_cflags -mthumb || check_cflags -marm
2912     nogas=die
2913
2914     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2915         enable vfp_args
2916     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2917         case "${cross_prefix:-$cc}" in
2918             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2919             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2920 __asm__ (".eabi_attribute 28, 1");
2921 int main(void) { return 0; }
2922 EOF
2923         esac
2924         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2925     fi
2926
2927     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2928     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2929     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2930     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2931     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2932     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2933
2934     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2935
2936     enabled_all armv6t2 shared !pic && enable_pic
2937
2938 elif enabled mips; then
2939
2940     check_asm loongson '"dmult.g $1, $2, $3"'
2941     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2942
2943 elif enabled ppc; then
2944
2945     enable local_aligned_8 local_aligned_16
2946
2947     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2948     check_asm ibm_asm   '"add 0, 0, 0"'
2949     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2950     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2951
2952     # AltiVec flags: The FSF version of GCC differs from the Apple version
2953     if enabled altivec; then
2954         nogas=warn
2955         check_cflags -maltivec -mabi=altivec &&
2956         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2957         check_cflags -faltivec
2958
2959         # check if our compiler supports Motorola AltiVec C API
2960         check_cc <<EOF || disable altivec
2961 $inc_altivec_h
2962 int main(void) {
2963     vector signed int v1, v2, v3;
2964     v1 = vec_add(v2,v3);
2965     return 0;
2966 }
2967 EOF
2968
2969         # check if our compiler supports braces for vector declarations
2970         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2971 $inc_altivec_h
2972 int main (void) { (vector int) {1}; return 0; }
2973 EOF
2974     fi
2975
2976 elif enabled sparc; then
2977
2978     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2979         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2980
2981 elif enabled x86; then
2982
2983     enable local_aligned_8 local_aligned_16
2984
2985     # check whether EBP is available on x86
2986     # As 'i' is stored on the stack, this program will crash
2987     # if the base pointer is used to access it because the
2988     # base pointer is cleared in the inline assembly code.
2989     check_exec_crash <<EOF && enable ebp_available
2990     volatile int i=0;
2991     __asm__ volatile (
2992         "xorl %%ebp, %%ebp"
2993     ::: "%ebp");
2994     return i;
2995 EOF
2996
2997     # check whether EBX is available on x86
2998     check_asm ebx_available '""::"b"(0)' &&
2999         check_asm ebx_available '"":::"%ebx"'
3000
3001     # check whether xmm clobbers are supported
3002     check_asm xmm_clobbers '"":::"%xmm0"'
3003
3004     # check whether binutils is new enough to compile SSSE3/MMX2
3005     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
3006     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
3007
3008     if ! disabled_any asm mmx yasm; then
3009         if check_cmd $yasmexe --version; then
3010             enabled x86_64 && yasm_extra="-m amd64"
3011             yasm_debug="-g dwarf2"
3012         elif check_cmd nasm -v; then
3013             yasmexe=nasm
3014             yasm_debug="-g -F dwarf"
3015             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3016         fi
3017
3018         YASMFLAGS="-f $objformat $yasm_extra"
3019         enabled pic               && append YASMFLAGS "-DPIC"
3020         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3021         case "$objformat" in
3022             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3023         esac
3024
3025         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3026             die "yasm not found, use --disable-yasm for a crippled build"
3027         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3028     fi
3029
3030     case "$cpu" in
3031         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3032             disable fast_clz
3033         ;;
3034     esac
3035
3036 fi
3037
3038 if enabled asm; then
3039     as=${gas:=$as}
3040     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3041         $nogas "GNU assembler not found, install gas-preprocessor"
3042 fi
3043
3044 check_ldflags -Wl,--as-needed
3045
3046 if check_func dlopen; then
3047     ldl=
3048 elif check_func dlopen -ldl; then
3049     ldl=-ldl
3050 fi
3051
3052 if enabled network; then
3053     check_type "sys/types.h sys/socket.h" socklen_t
3054     check_type netdb.h "struct addrinfo"
3055     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3056     check_type netinet/in.h "struct sockaddr_in6"
3057     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3058     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3059     check_header netinet/sctp.h
3060     # Prefer arpa/inet.h over winsock2
3061     if check_header arpa/inet.h ; then
3062         check_func closesocket
3063     elif check_header winsock2.h ; then
3064         check_func_headers winsock2.h closesocket -lws2 && \
3065             network_extralibs="-lws2" || \
3066         { check_func_headers winsock2.h closesocket -lws2_32 && \
3067             network_extralibs="-lws2_32"; }
3068         check_type ws2tcpip.h socklen_t
3069         check_type ws2tcpip.h "struct addrinfo"
3070         check_type ws2tcpip.h "struct ipv6_mreq"
3071         check_type ws2tcpip.h "struct sockaddr_in6"
3072         check_type ws2tcpip.h "struct sockaddr_storage"
3073         check_struct winsock2.h "struct sockaddr" sa_len
3074     else
3075         disable network
3076     fi
3077 fi
3078
3079 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3080 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3081
3082 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3083 check_func  fcntl
3084 check_func  fork
3085 check_func  getaddrinfo $network_extralibs
3086 check_func  gethrtime
3087 check_func  getrusage
3088 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3089 check_func  inet_aton $network_extralibs
3090 check_func  isatty
3091 check_func  localtime_r
3092 check_func  ${malloc_prefix}memalign            && enable memalign
3093 check_func  mkstemp
3094 check_func  mmap
3095 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3096 check_func  setrlimit
3097 check_func  strerror_r
3098 check_func  strptime
3099 check_func  sched_getaffinity
3100 check_func  sysconf
3101 check_func  sysctl
3102 check_func_headers conio.h kbhit
3103 check_func_headers windows.h PeekNamedPipe
3104 check_func_headers io.h setmode
3105 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3106 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3107 check_func_headers windows.h GetProcessAffinityMask
3108 check_func_headers windows.h GetProcessTimes
3109 check_func_headers windows.h MapViewOfFile
3110 check_func_headers windows.h VirtualAlloc
3111 check_func_headers glob.h glob
3112
3113 check_header dlfcn.h
3114 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3115 check_header libcrystalhd/libcrystalhd_if.h
3116 check_header malloc.h
3117 check_header poll.h
3118 check_header sys/mman.h
3119 check_header sys/param.h
3120 check_header sys/resource.h
3121 check_header sys/select.h
3122 check_header termios.h
3123 check_header vdpau/vdpau.h
3124 check_header vdpau/vdpau_x11.h
3125 check_header X11/extensions/XvMClib.h
3126 check_header asm/types.h
3127
3128 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3129 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3130
3131 # check for VDA header
3132 if ! disabled vda; then
3133     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3134         enable vda
3135         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3136     fi
3137 fi
3138
3139 if ! disabled w32threads && ! enabled pthreads; then
3140     check_func _beginthreadex && enable w32threads
3141 fi
3142
3143 # check for some common methods of building with pthread support
3144 # do this before the optional library checks as some of them require pthreads
3145 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3146     enable pthreads
3147     if check_func pthread_create; then
3148         :
3149     elif check_func pthread_create -pthread; then
3150         add_cflags -pthread
3151         add_extralibs -pthread
3152     elif check_func pthread_create -pthreads; then
3153         add_cflags -pthreads
3154         add_extralibs -pthreads
3155     elif check_func pthread_create -lpthreadGC2; then
3156         add_extralibs -lpthreadGC2
3157     elif ! check_lib pthread.h pthread_create -lpthread; then
3158         disable pthreads
3159     fi
3160 fi
3161
3162 for thread in $THREADS_LIST; do
3163     if enabled $thread; then
3164         test -n "$thread_type" &&
3165             die "ERROR: Only one thread type must be selected." ||
3166             thread_type="$thread"
3167     fi
3168 done
3169
3170 if enabled pthreads; then
3171   check_func pthread_cancel
3172 fi
3173
3174 check_lib math.h sin -lm && LIBM="-lm"
3175 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3176 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3177
3178 check_mathfunc cbrtf
3179 check_mathfunc exp2
3180 check_mathfunc exp2f
3181 check_mathfunc llrint
3182 check_mathfunc llrintf
3183 check_mathfunc log2
3184 check_mathfunc log2f
3185 check_mathfunc lrint
3186 check_mathfunc lrintf
3187 check_mathfunc round
3188 check_mathfunc roundf
3189 check_mathfunc trunc
3190 check_mathfunc truncf
3191
3192 # these are off by default, so fail if requested and not available
3193 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3194 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3195 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3196 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3197 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3198 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3199 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3200 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3201                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3202                         die "ERROR: libcelt version must be >= 0.11.0."; }
3203 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3204 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3205 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3206 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3207 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3208 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3209 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3210 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3211 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3212 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3213 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3214 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3215 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3216 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3217 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3218     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3219     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3220 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3221 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3222 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3223 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3224 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3225 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3226 enabled libvpx     && {
3227     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3228                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3229     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3230                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3231 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3232                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3233                         die "ERROR: libx264 version must be >= 0.118."; }
3234 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3235 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3236 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3237                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3238                         die "ERROR: openal not found"; } &&
3239                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3240                         die "ERROR: openal version must be 1.1 or compatible"; }
3241 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3242                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3243                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3244                         die "ERROR: openssl not found"; }
3245
3246 # libdc1394 check
3247 if enabled libdc1394; then
3248     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3249         enable libdc1394_2; } ||
3250     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3251         enable libdc1394_1; } ||
3252     die "ERROR: No version of libdc1394 found "
3253 fi
3254
3255 SDL_CONFIG="${cross_prefix}sdl-config"
3256 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3257     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3258     enable sdl &&
3259     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3260 else
3261   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3262     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3263     sdl_libs=$("${SDL_CONFIG}" --libs)
3264     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3265     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3266     enable sdl &&
3267     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3268   fi
3269 fi
3270 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3271
3272 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3273 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3274
3275 check_header linux/fb.h
3276 check_header linux/videodev.h
3277 check_header linux/videodev2.h
3278 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3279
3280 check_header sys/videoio.h
3281
3282 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3283 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3284 # w32api 3.12 had it defined wrong
3285 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3286
3287 check_type "dshow.h" IBaseFilter
3288
3289 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3290 { check_header dev/bktr/ioctl_meteor.h &&
3291   check_header dev/bktr/ioctl_bt848.h; } ||
3292 { check_header machine/ioctl_meteor.h &&
3293   check_header machine/ioctl_bt848.h; } ||
3294 { check_header dev/video/meteor/ioctl_meteor.h &&
3295   check_header dev/video/bktr/ioctl_bt848.h; } ||
3296 check_header dev/ic/bt8xx.h
3297
3298 check_header sndio.h
3299 if check_struct sys/soundcard.h audio_buf_info bytes; then
3300     enable_safe sys/soundcard.h
3301 else
3302     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3303     #include <sys/soundcard.h>
3304     audio_buf_info abc;
3305 EOF
3306 fi
3307 check_header soundcard.h
3308
3309 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3310
3311 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3312
3313 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3314
3315 enabled libcdio &&
3316     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3317
3318 enabled x11grab                                           &&
3319 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3320 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3321 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3322
3323 if ! disabled vaapi; then
3324     check_lib va/va.h vaInitialize -lva && {
3325         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3326         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3327     } || disable vaapi
3328 fi
3329
3330 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3331 check_cpp_condition \
3332     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3333     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3334       disable vdpau; }
3335 fi
3336
3337 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3338 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3339 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"
3340
3341 # add some useful compiler flags if supported
3342 check_cflags -Wdeclaration-after-statement
3343 check_cflags -Wall
3344 check_cflags -Wno-parentheses
3345 check_cflags -Wno-switch
3346 check_cflags -Wno-format-zero-length
3347 check_cflags -Wdisabled-optimization
3348 check_cflags -Wpointer-arith
3349 check_cflags -Wredundant-decls
3350 check_cflags -Wno-pointer-sign
3351 check_cflags -Wwrite-strings
3352 check_cflags -Wtype-limits
3353 check_cflags -Wundef
3354 check_cflags -Wmissing-prototypes
3355 check_cflags -Wno-pointer-to-int-cast
3356 check_cflags -Wstrict-prototypes
3357 enabled extra_warnings && check_cflags -Winline
3358
3359 # add some linker flags
3360 check_ldflags -Wl,--warn-common
3361 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3362 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3363
3364 enabled xmm_clobber_test &&                             \
3365     check_ldflags -Wl,--wrap,avcodec_open2              \
3366                   -Wl,--wrap,avcodec_decode_audio4      \
3367                   -Wl,--wrap,avcodec_decode_video2      \
3368                   -Wl,--wrap,avcodec_decode_subtitle2   \
3369                   -Wl,--wrap,avcodec_encode_audio2      \
3370                   -Wl,--wrap,avcodec_encode_video       \
3371                   -Wl,--wrap,avcodec_encode_subtitle    \
3372                   -Wl,--wrap,sws_scale ||               \
3373     disable xmm_clobber_test
3374
3375 echo "X{};" > $TMPV
3376 if test_ldflags -Wl,--version-script,$TMPV; then
3377     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3378     check_cc <<EOF && enable symver_asm_label
3379 void ff_foo(void) __asm__ ("av_foo@VERSION");
3380 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3381 EOF
3382     check_cc <<EOF && enable symver_gnu_asm
3383 __asm__(".symver ff_foo,av_foo@VERSION");
3384 void ff_foo(void) {}
3385 EOF
3386 fi
3387
3388 if [ -n "$optflags" ]; then
3389     add_cflags $optflags
3390 elif enabled small; then
3391     add_cflags $size_cflags
3392 elif enabled optimizations; then
3393     add_cflags $speed_cflags
3394 else
3395     add_cflags $noopt_cflags
3396 fi
3397 check_cflags -fno-math-errno
3398 check_cflags -fno-signed-zeros
3399 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3400 int x;
3401 EOF
3402
3403
3404 if enabled icc; then
3405     # Just warnings, no remarks
3406     check_cflags -w1
3407     # -wd: Disable following warnings
3408     # 144, 167, 556: -Wno-pointer-sign
3409     # 1292: attribute "foo" ignored
3410     # 1419: external declaration in primary source file
3411     # 10006: ignoring unknown option -fno-signed-zeros
3412     # 10148: ignoring unknown option -Wno-parentheses
3413     # 10156: ignoring option '-W'; no argument required
3414     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3415     # 11030: Warning unknown option --as-needed
3416     # 10156: ignoring option '-export'; no argument required
3417     check_ldflags -wd10156,11030
3418     # Allow to compile with optimizations
3419     check_ldflags -march=$cpu
3420     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3421     enable ebp_available
3422     if enabled x86_32; then
3423         test ${icc_version%%.*} -ge 11 && \
3424             check_cflags -falign-stack=maintain-16-byte || \
3425             disable aligned_stack
3426     fi
3427 elif enabled ccc; then
3428     # disable some annoying warnings
3429     add_cflags -msg_disable cvtu32to64
3430     add_cflags -msg_disable embedcomment
3431     add_cflags -msg_disable needconstext
3432     add_cflags -msg_disable nomainieee
3433     add_cflags -msg_disable ptrmismatch1
3434     add_cflags -msg_disable unreachcode
3435 elif enabled gcc; then
3436     check_cflags -fno-tree-vectorize
3437     check_cflags -Werror=implicit-function-declaration
3438     check_cflags -Werror=missing-prototypes
3439 elif enabled llvm_gcc; then
3440     check_cflags -mllvm -stack-alignment=16
3441 elif enabled clang; then
3442     check_cflags -mllvm -stack-alignment=16
3443     check_cflags -Qunused-arguments
3444 elif enabled armcc; then
3445     # 2523: use of inline assembler is deprecated
3446     add_cflags -W${armcc_opt},--diag_suppress=2523
3447     add_cflags -W${armcc_opt},--diag_suppress=1207
3448     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3449     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3450     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3451     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3452 elif enabled tms470; then
3453     add_cflags -pds=824 -pds=837
3454 elif enabled pathscale; then
3455     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3456 fi
3457
3458 enabled_any $THREADS_LIST      && enable threads
3459
3460 check_deps $CONFIG_LIST       \
3461            $CONFIG_EXTRA      \
3462            $HAVE_LIST         \
3463            $ALL_COMPONENTS    \
3464            $ALL_TESTS         \
3465
3466 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3467
3468 if test $target_os = "haiku"; then
3469     disable memalign
3470     disable posix_memalign
3471 fi
3472
3473 ! enabled_any memalign posix_memalign &&
3474     enabled_any $need_memalign && enable memalign_hack
3475
3476 # add_dep lib dep
3477 # -> enable ${lib}_deps_${dep}
3478 # -> add $dep to ${lib}_deps only once
3479 add_dep() {
3480     lib=$1
3481     dep=$2
3482     enabled "${lib}_deps_${dep}" && return 0
3483     enable  "${lib}_deps_${dep}"
3484     prepend "${lib}_deps" $dep
3485 }
3486
3487 # merge deps lib components
3488 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3489 merge_deps() {
3490     lib=$1
3491     shift
3492     for comp in $*; do
3493         enabled $comp || continue
3494         eval "dep=\"\$${comp}_deps\""
3495         for d in $dep; do
3496             add_dep $lib $d
3497         done
3498     done
3499 }
3500
3501 merge_deps libavfilter $FILTER_LIST
3502
3503 echo "install prefix            $prefix"
3504 echo "source path               $source_path"
3505 echo "C compiler                $cc"
3506 echo "ARCH                      $arch ($cpu)"
3507 if test "$build_suffix" != ""; then
3508     echo "build suffix              $build_suffix"
3509 fi
3510 if test "$progs_suffix" != ""; then
3511     echo "progs suffix              $progs_suffix"
3512 fi
3513 if test "$extra_version" != ""; then
3514     echo "version string suffix     $extra_version"
3515 fi
3516 echo "big-endian                ${bigendian-no}"
3517 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3518 if enabled x86; then
3519     echo "${yasmexe}                      ${yasm-no}"
3520     echo "MMX enabled               ${mmx-no}"
3521     echo "MMX2 enabled              ${mmx2-no}"
3522     echo "3DNow! enabled            ${amd3dnow-no}"
3523     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3524     echo "SSE enabled               ${sse-no}"
3525     echo "SSSE3 enabled             ${ssse3-no}"
3526     echo "AVX enabled               ${avx-no}"
3527     echo "CMOV enabled              ${cmov-no}"
3528     echo "CMOV is fast              ${fast_cmov-no}"
3529     echo "EBX available             ${ebx_available-no}"
3530     echo "EBP available             ${ebp_available-no}"
3531 fi
3532 if enabled arm; then
3533     echo "ARMv5TE enabled           ${armv5te-no}"
3534     echo "ARMv6 enabled             ${armv6-no}"
3535     echo "ARMv6T2 enabled           ${armv6t2-no}"
3536     echo "ARM VFP enabled           ${armvfp-no}"
3537     echo "NEON enabled              ${neon-no}"
3538 fi
3539 if enabled mips; then
3540     echo "MMI enabled               ${mmi-no}"
3541 fi
3542 if enabled ppc; then
3543     echo "AltiVec enabled           ${altivec-no}"
3544     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3545     echo "dcbzl available           ${dcbzl-no}"
3546 fi
3547 if enabled sparc; then
3548     echo "VIS enabled               ${vis-no}"
3549 fi
3550 echo "debug symbols             ${debug-no}"
3551 echo "strip symbols             ${stripping-no}"
3552 echo "optimize for size         ${small-no}"
3553 echo "optimizations             ${optimizations-no}"
3554 echo "static                    ${static-no}"
3555 echo "shared                    ${shared-no}"
3556 echo "postprocessing support    ${postproc-no}"
3557 echo "new filter support        ${avfilter-no}"
3558 echo "network support           ${network-no}"
3559 echo "threading support         ${thread_type-no}"
3560 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3561 echo "SDL support               ${sdl-no}"
3562 echo "libdxva2 enabled          ${dxva2-no}"
3563 echo "libva enabled             ${vaapi-no}"
3564 echo "libvdpau enabled          ${vdpau-no}"
3565 echo "AVISynth enabled          ${avisynth-no}"
3566 echo "frei0r enabled            ${frei0r-no}"
3567 echo "gnutls enabled            ${gnutls-no}"
3568 echo "libaacplus enabled        ${libaacplus-no}"
3569 echo "libass enabled            ${libass-no}"
3570 echo "libcdio support           ${libcdio-no}"
3571 echo "libcelt enabled           ${libcelt-no}"
3572 echo "libdc1394 support         ${libdc1394-no}"
3573 echo "libfaac enabled           ${libfaac-no}"
3574 echo "libgsm enabled            ${libgsm-no}"
3575 echo "libmodplug enabled        ${libmodplug-no}"
3576 echo "libmp3lame enabled        ${libmp3lame-no}"
3577 echo "libnut enabled            ${libnut-no}"
3578 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3579 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3580 echo "libopencv support         ${libopencv-no}"
3581 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3582 echo "libpulse enabled          ${libpulse-no}"
3583 echo "librtmp enabled           ${librtmp-no}"
3584 echo "libschroedinger enabled   ${libschroedinger-no}"
3585 echo "libspeex enabled          ${libspeex-no}"
3586 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3587 echo "libtheora enabled         ${libtheora-no}"
3588 echo "libutvideo enabled        ${libutvideo-no}"
3589 echo "libv4l2 enabled           ${libv4l2-no}"
3590 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3591 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3592 echo "libvorbis enabled         ${libvorbis-no}"
3593 echo "libvpx enabled            ${libvpx-no}"
3594 echo "libx264 enabled           ${libx264-no}"
3595 echo "libxavs enabled           ${libxavs-no}"
3596 echo "libxvid enabled           ${libxvid-no}"
3597 echo "openal enabled            ${openal-no}"
3598 echo "openssl enabled           ${openssl-no}"
3599 echo "zlib enabled              ${zlib-no}"
3600 echo "bzlib enabled             ${bzlib-no}"
3601 test -n "$random_seed" &&
3602     echo "random seed               ${random_seed}"
3603 echo
3604
3605 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3606     echo "Enabled ${type}s:"
3607     eval list=\$$(toupper $type)_LIST
3608     print_enabled '_*' $list | sort | pr -r -3 -t
3609     echo
3610 done
3611
3612 license="LGPL version 2.1 or later"
3613 if enabled nonfree; then
3614     license="nonfree and unredistributable"
3615 elif enabled gplv3; then
3616     license="GPL version 3 or later"
3617 elif enabled lgplv3; then
3618     license="LGPL version 3 or later"
3619 elif enabled gpl; then
3620     license="GPL version 2 or later"
3621 fi
3622
3623 echo "License: $license"
3624
3625 echo "Creating config.mak and config.h..."
3626
3627 test -e Makefile || $ln_s "$source_path/Makefile" .
3628
3629 enabled stripping || strip="echo skipping strip"
3630
3631 config_files="$TMPH config.mak"
3632
3633 cat > config.mak <<EOF
3634 # Automatically generated by configure - do not modify!
3635 ifndef FFMPEG_CONFIG_MAK
3636 FFMPEG_CONFIG_MAK=1
3637 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3638 prefix=$prefix
3639 LIBDIR=\$(DESTDIR)$libdir
3640 SHLIBDIR=\$(DESTDIR)$shlibdir
3641 INCDIR=\$(DESTDIR)$incdir
3642 BINDIR=\$(DESTDIR)$bindir
3643 DATADIR=\$(DESTDIR)$datadir
3644 MANDIR=\$(DESTDIR)$mandir
3645 SRC_PATH=$source_path
3646 ifndef MAIN_MAKEFILE
3647 SRC_PATH:=\$(SRC_PATH:.%=..%)
3648 endif
3649 CC_IDENT=$cc_ident
3650 ARCH=$arch
3651 CC=$cc
3652 CXX=$cxx
3653 AS=$as
3654 LD=$ld
3655 DEPCC=$dep_cc
3656 YASM=$yasmexe
3657 YASMDEP=$yasmexe
3658 AR=$ar
3659 RANLIB=$ranlib
3660 CP=cp -p
3661 LN_S=$ln_s
3662 STRIP=$strip
3663 CPPFLAGS=$CPPFLAGS
3664 CFLAGS=$CFLAGS
3665 CXXFLAGS=$CXXFLAGS
3666 ASFLAGS=$ASFLAGS
3667 AS_O=$CC_O
3668 CC_O=$CC_O
3669 CXX_O=$CXX_O
3670 LDFLAGS=$LDFLAGS
3671 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3672 SHFLAGS=$SHFLAGS
3673 YASMFLAGS=$YASMFLAGS
3674 BUILDSUF=$build_suffix
3675 PROGSSUF=$progs_suffix
3676 FULLNAME=$FULLNAME
3677 LIBPREF=$LIBPREF
3678 LIBSUF=$LIBSUF
3679 LIBNAME=$LIBNAME
3680 SLIBPREF=$SLIBPREF
3681 SLIBSUF=$SLIBSUF
3682 EXESUF=$EXESUF
3683 EXTRA_VERSION=$extra_version
3684 DEPFLAGS=$DEPFLAGS
3685 CCDEP=$CCDEP
3686 CXXDEP=$CXXDEP
3687 ASDEP=$ASDEP
3688 CC_DEPFLAGS=$CC_DEPFLAGS
3689 AS_DEPFLAGS=$AS_DEPFLAGS
3690 HOSTCC=$host_cc
3691 HOSTCFLAGS=$host_cflags
3692 HOSTEXESUF=$HOSTEXESUF
3693 HOSTLDFLAGS=$host_ldflags
3694 HOSTLIBS=$host_libs
3695 TARGET_EXEC=$target_exec
3696 TARGET_PATH=$target_path
3697 SDL_LIBS=$sdl_libs
3698 SDL_CFLAGS=$sdl_cflags
3699 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3700 EXTRALIBS=$extralibs
3701 INSTALL=$install
3702 LIBTARGET=${LIBTARGET}
3703 SLIBNAME=${SLIBNAME}
3704 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3705 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3706 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3707 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3708 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3709 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3710 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3711 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3712 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3713 NOREDZONE_FLAGS=$noredzone_flags
3714 EOF
3715
3716 get_version(){
3717     name=$1
3718     file=$source_path/$2
3719 # This condition will be removed when we stop supporting old libpostproc versions
3720 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3721     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3722     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3723 fi
3724     lcname=$(tolower $name)
3725     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3726     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3727 }
3728
3729 get_version LIBAVCODEC  libavcodec/version.h
3730 get_version LIBAVDEVICE libavdevice/avdevice.h
3731 get_version LIBAVFILTER libavfilter/version.h
3732 get_version LIBAVFORMAT libavformat/version.h
3733 get_version LIBAVRESAMPLE libavresample/version.h
3734 get_version LIBAVUTIL   libavutil/avutil.h
3735 get_version LIBPOSTPROC libpostproc/postprocess.h
3736 get_version LIBSWRESAMPLE libswresample/swresample.h
3737 get_version LIBSWSCALE  libswscale/swscale.h
3738
3739 cat > $TMPH <<EOF
3740 /* Automatically generated by configure - do not modify! */
3741 #ifndef FFMPEG_CONFIG_H
3742 #define FFMPEG_CONFIG_H
3743 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3744 #define FFMPEG_LICENSE "$(c_escape $license)"
3745 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3746 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3747 #define CC_TYPE "$cc_type"
3748 #define CC_VERSION $cc_version
3749 #define restrict $_restrict
3750 #define EXTERN_PREFIX "${extern_prefix}"
3751 #define EXTERN_ASM ${extern_prefix}
3752 #define SLIBSUF "$SLIBSUF"
3753 EOF
3754
3755 test -n "$assert_level" &&
3756     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
3757
3758 test -n "$malloc_prefix" &&
3759     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3760
3761 if enabled small || disabled optimizations; then
3762     echo "#undef  av_always_inline"  >> $TMPH
3763     if enabled small; then
3764         echo "#define av_always_inline inline"  >> $TMPH
3765     else
3766         echo "#define av_always_inline av_unused"  >> $TMPH
3767     fi
3768 fi
3769
3770 if enabled yasm; then
3771     append config_files $TMPASM
3772     printf '' >$TMPASM
3773 fi
3774
3775 print_config ARCH_   "$config_files" $ARCH_LIST
3776 print_config HAVE_   "$config_files" $HAVE_LIST
3777 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3778                                      $CONFIG_EXTRA      \
3779                                      $ALL_COMPONENTS    \
3780
3781 cat >>config.mak <<EOF
3782 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3783 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3784 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3785 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3786 EOF
3787
3788 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3789 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3790
3791 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3792 cp_if_changed $TMPH config.h
3793 touch .config
3794
3795 enabled yasm && cp_if_changed $TMPASM config.asm
3796
3797 cat > $TMPH <<EOF
3798 /* Generated by ffconf */
3799 #ifndef AVUTIL_AVCONFIG_H
3800 #define AVUTIL_AVCONFIG_H
3801 EOF
3802
3803 test "$postproc_version" != current && cat >> $TMPH <<EOF
3804 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3805 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3806 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3807 EOF
3808
3809 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3810
3811 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3812
3813 cp_if_changed $TMPH libavutil/avconfig.h
3814
3815 test -n "$WARNINGS" && printf "\n$WARNINGS"
3816
3817 # build pkg-config files
3818
3819 pkgconfig_generate(){
3820 name=$1
3821 shortname=${name#lib}${build_suffix}
3822 comment=$2
3823 version=$3
3824 libs=$4
3825 requires=$5
3826 enabled ${name#lib} || return 0
3827 mkdir -p $name
3828 cat <<EOF > $name/$name.pc
3829 prefix=$prefix
3830 exec_prefix=\${prefix}
3831 libdir=$libdir
3832 includedir=$incdir
3833
3834 Name: $name
3835 Description: $comment
3836 Version: $version
3837 Requires: $(enabled shared || echo $requires)
3838 Requires.private: $(enabled shared && echo $requires)
3839 Conflicts:
3840 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3841 Libs.private: $(enabled shared && echo $libs)
3842 Cflags: -I\${includedir}
3843 EOF
3844 cat <<EOF > $name/$name-uninstalled.pc
3845 prefix=
3846 exec_prefix=
3847 libdir=\${pcfiledir}
3848 includedir=${source_path}
3849
3850 Name: $name
3851 Description: $comment
3852 Version: $version
3853 Requires: $requires
3854 Conflicts:
3855 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3856 Cflags: -I\${includedir}
3857 EOF
3858 }
3859
3860 libavfilter_pc_deps=""
3861 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3862 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3863 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3864 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3865 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3866 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3867
3868 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
3869 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
3870
3871 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3872 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3873 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3874 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
3875 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3876 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3877 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3878 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3879 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"