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

   1 #!/bin/sh
   2 #
   3 # FFmpeg configure script
   4 #
   5 # Copyright (c) 2000-2002 Fabrice Bellard
   6 # Copyright (c) 2005-2008 Diego Biurrun
   7 # Copyright (c) 2005-2008 Mans Rullgard
   8 #
   9
  10 # Prevent locale nonsense from breaking basic text processing.
  11 LC_ALL=C
  12 export LC_ALL
  13
  14 # make sure we are running under a compatible shell
  15 # try to make this part work with most shells
  16
  17 try_exec(){
  18     echo "Trying shell $1"
  19     type "$1" > /dev/null 2>&1 && exec "$@"
  20 }
  21
  22 unset foo
  23 (: ${foo%%bar}) 2> /dev/null
  24 E1="$?"
  25
  26 (: ${foo?}) 2> /dev/null
  27 E2="$?"
  28
  29 if test "$E1" != 0 || test "$E2" = 0; then
  30     echo "Broken shell detected.  Trying alternatives."
  31     export FF_CONF_EXEC
  32     if test "0$FF_CONF_EXEC" -lt 1; then
  33         FF_CONF_EXEC=1
  34         try_exec bash "$0" "$@"
  35     fi
  36     if test "0$FF_CONF_EXEC" -lt 2; then
  37         FF_CONF_EXEC=2
  38         try_exec ksh "$0" "$@"
  39     fi
  40     if test "0$FF_CONF_EXEC" -lt 3; then
  41         FF_CONF_EXEC=3
  42         try_exec /usr/xpg4/bin/sh "$0" "$@"
  43     fi
  44     echo "No compatible shell script interpreter found."
  45     echo "This configure script requires a POSIX-compatible shell"
  46     echo "such as bash or ksh."
  47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  48     echo "Instead, install a working POSIX-compatible shell."
  49     echo "Disabling this configure test will create a broken FFmpeg."
  50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  51         echo "This bash version ($BASH_VERSION) is broken on your platform."
  52         echo "Upgrade to a later version if available."
  53     fi
  54     exit 1
  55 fi
  56
  57 show_help(){
  58 cat <<EOF
  59 Usage: configure [options]
  60 Options: [defaults in brackets after descriptions]
  61
  62 Help options:
  63   --help                   print this message
  64   --list-decoders          show all available decoders
  65   --list-encoders          show all available encoders
  66   --list-hwaccels          show all available hardware accelerators
  67   --list-demuxers          show all available demuxers
  68   --list-muxers            show all available muxers
  69   --list-parsers           show all available parsers
  70   --list-protocols         show all available protocols
  71   --list-bsfs              show all available bitstream filters
  72   --list-indevs            show all available input devices
  73   --list-outdevs           show all available output devices
  74   --list-filters           show all available filters
  75
  76 Standard options:
  77   --logfile=FILE           log tests and output to FILE [config.log]
  78   --disable-logging        do not log configure debug information
  79   --prefix=PREFIX          install in PREFIX [$prefix]
  80   --bindir=DIR             install binaries in DIR [PREFIX/bin]
  81   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
  82   --libdir=DIR             install libs in DIR [PREFIX/lib]
  83   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
  84   --incdir=DIR             install includes in DIR [PREFIX/include]
  85   --mandir=DIR             install man page in DIR [PREFIX/share/man]
  86
  87 Licensing options:
  88   --enable-gpl             allow use of GPL code, the resulting libs
  89                            and binaries will be under GPL [no]
  90   --enable-version3        upgrade (L)GPL to version 3 [no]
  91   --enable-nonfree         allow use of nonfree code, the resulting libs
  92                            and binaries will be unredistributable [no]
  93
  94 Configuration options:
  95   --disable-static         do not build static libraries [no]
  96   --enable-shared          build shared libraries [no]
  97   --enable-small           optimize for size instead of speed
  98   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
  99   --enable-gray            enable full grayscale support (slower color)
 100   --disable-swscale-alpha  disable alpha channel support in swscale
 101
 102 Component options:
 103   --disable-doc            do not build documentation
 104   --disable-ffmpeg         disable ffmpeg build
 105   --disable-ffplay         disable ffplay build
 106   --disable-ffprobe        disable ffprobe build
 107   --disable-ffserver       disable ffserver build
 108   --disable-avdevice       disable libavdevice build
 109   --disable-avcodec        disable libavcodec build
 110   --disable-avformat       disable libavformat build
 111   --disable-swresample     disable libswresample build
 112   --disable-swscale        disable libswscale build
 113   --disable-postproc       disable libpostproc build
 114   --disable-avfilter       disable video filter support [no]
 115   --enable-avresample      enable libavresample build [no]
 116   --disable-pthreads       disable pthreads [auto]
 117   --disable-w32threads     disable Win32 threads [auto]
 118   --disable-os2threads     disable OS/2 threads [auto]
 119   --enable-x11grab         enable X11 grabbing [no]
 120   --disable-network        disable network support [no]
 121   --disable-dct            disable DCT code
 122   --disable-mdct           disable MDCT code
 123   --disable-rdft           disable RDFT code
 124   --disable-fft            disable FFT code
 125   --enable-dxva2           enable DXVA2 code
 126   --enable-vaapi           enable VAAPI code [autodetect]
 127   --enable-vda             enable VDA code   [autodetect]
 128   --enable-vdpau           enable VDPAU code [autodetect]
 129
 130 Individual component options:
 131   --disable-everything     disable all components listed below
 132   --disable-encoder=NAME   disable encoder NAME
 133   --enable-encoder=NAME    enable encoder NAME
 134   --disable-encoders       disable all encoders
 135   --disable-decoder=NAME   disable decoder NAME
 136   --enable-decoder=NAME    enable decoder NAME
 137   --disable-decoders       disable all decoders
 138   --disable-hwaccel=NAME   disable hwaccel NAME
 139   --enable-hwaccel=NAME    enable hwaccel NAME
 140   --disable-hwaccels       disable all hwaccels
 141   --disable-muxer=NAME     disable muxer NAME
 142   --enable-muxer=NAME      enable muxer NAME
 143   --disable-muxers         disable all muxers
 144   --disable-demuxer=NAME   disable demuxer NAME
 145   --enable-demuxer=NAME    enable demuxer NAME
 146   --disable-demuxers       disable all demuxers
 147   --enable-parser=NAME     enable parser NAME
 148   --disable-parser=NAME    disable parser NAME
 149   --disable-parsers        disable all parsers
 150   --enable-bsf=NAME        enable bitstream filter NAME
 151   --disable-bsf=NAME       disable bitstream filter NAME
 152   --disable-bsfs           disable all bitstream filters
 153   --enable-protocol=NAME   enable protocol NAME
 154   --disable-protocol=NAME  disable protocol NAME
 155   --disable-protocols      disable all protocols
 156   --enable-indev=NAME      enable input device NAME
 157   --disable-indev=NAME     disable input device NAME
 158   --disable-indevs         disable input devices
 159   --enable-outdev=NAME     enable output device NAME
 160   --disable-outdev=NAME    disable output device NAME
 161   --disable-outdevs        disable output devices
 162   --disable-devices        disable all devices
 163   --enable-filter=NAME     enable filter NAME
 164   --disable-filter=NAME    disable filter NAME
 165   --disable-filters        disable all filters
 166
 167 External library support:
 168   --enable-avisynth        enable reading of AVISynth script files [no]
 169   --enable-bzlib           enable bzlib [autodetect]
 170   --enable-fontconfig      enable fontconfig
 171   --enable-frei0r          enable frei0r video filtering
 172   --enable-gnutls          enable gnutls [no]
 173   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
 174   --enable-libass          enable libass subtitles rendering [no]
 175   --enable-libbluray       enable BluRay reading using libbluray [no]
 176   --enable-libcelt         enable CELT decoding via libcelt [no]
 177   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 178   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 179   --enable-libopencv       enable video filtering via libopencv [no]
 180   --enable-libcdio         enable audio CD grabbing with libcdio
 181   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 182                            and libraw1394 [no]
 183   --enable-libfaac         enable FAAC support via libfaac [no]
 184   --enable-libfreetype     enable libfreetype [no]
 185   --enable-libgsm          enable GSM support via libgsm [no]
 186   --enable-libmodplug      enable ModPlug via libmodplug [no]
 187   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
 188   --enable-libnut          enable NUT (de)muxing via libnut,
 189                            native (de)muxer exists [no]
 190   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
 191   --enable-libpulse        enable Pulseaudio input via libpulse [no]
 192   --enable-librtmp         enable RTMP[E] support via librtmp [no]
 193   --enable-libschroedinger enable Dirac support via libschroedinger [no]
 194   --enable-libspeex        enable Speex support via libspeex [no]
 195   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
 196   --enable-libtheora       enable Theora encoding via libtheora [no]
 197   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
 198   --enable-libv4l2         enable libv4l2/v4l-utils [no]
 199   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
 200   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
 201   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
 202                            native implementation exists [no]
 203   --enable-libvpx          enable VP8 support via libvpx [no]
 204   --enable-libx264         enable H.264 encoding via x264 [no]
 205   --enable-libxavs         enable AVS encoding via xavs [no]
 206   --enable-libxvid         enable Xvid encoding via xvidcore,
 207                            native MPEG-4/Xvid encoder exists [no]
 208   --enable-openal          enable OpenAL 1.1 capture support [no]
 209   --enable-openssl         enable openssl [no]
 210   --enable-zlib            enable zlib [autodetect]
 211
 212 Advanced options (experts only):
 213   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
 214   --enable-cross-compile   assume a cross-compiler is used
 215   --sysroot=PATH           root of cross-build tree
 216   --sysinclude=PATH        location of cross-build system headers
 217   --target-os=OS           compiler targets OS [$target_os]
 218   --target-exec=CMD        command to run executables on target
 219   --target-path=DIR        path to view of build directory on target
 220   --nm=NM                  use nm tool NM [$nm_default]
 221   --ar=AR                  use archive tool AR [$ar_default]
 222   --as=AS                  use assembler AS [$as_default]
 223   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
 224   --cc=CC                  use C compiler CC [$cc_default]
 225   --cxx=CXX                use C compiler CXX [$cxx_default]
 226   --ld=LD                  use linker LD [$ld_default]
 227   --host-cc=HOSTCC         use host C compiler HOSTCC
 228   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 229   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 230   --host-libs=HLIBS        use libs HLIBS when linking for host
 231   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 232   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
 233   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
 234   --extra-libs=ELIBS       add ELIBS [$ELIBS]
 235   --extra-version=STRING   version string suffix []
 236   --optflags               override optimization-related compiler flags
 237   --build-suffix=SUFFIX    library name suffix []
 238   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
 239   --progs-suffix=SUFFIX    program name suffix []
 240   --arch=ARCH              select architecture [$arch]
 241   --cpu=CPU                select the minimum required CPU (affects
 242                            instruction selection, may crash on older CPUs)
 243   --enable-pic             build position-independent code
 244   --enable-sram            allow use of on-chip SRAM
 245   --disable-symver         disable symbol versioning
 246   --disable-fastdiv        disable table-based division
 247   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 248   --disable-safe-bitstream-reader
 249                            disable buffer boundary checking in bitreaders
 250                            (faster, but may crash)
 251   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 252
 253 Optimization options (experts only):
 254   --disable-asm            disable all assembler optimizations
 255   --disable-altivec        disable AltiVec optimizations
 256   --disable-amd3dnow       disable 3DNow! optimizations
 257   --disable-amd3dnowext    disable 3DNow! extended optimizations
 258   --disable-mmx            disable MMX optimizations
 259   --disable-mmx2           disable MMX2 optimizations
 260   --disable-sse            disable SSE optimizations
 261   --disable-ssse3          disable SSSE3 optimizations
 262   --disable-avx            disable AVX optimizations
 263   --disable-armv5te        disable armv5te optimizations
 264   --disable-armv6          disable armv6 optimizations
 265   --disable-armv6t2        disable armv6t2 optimizations
 266   --disable-armvfp         disable ARM VFP optimizations
 267   --disable-mmi            disable MMI optimizations
 268   --disable-neon           disable NEON optimizations
 269   --disable-vis            disable VIS optimizations
 270   --disable-yasm           disable use of yasm assembler
 271   --postproc-version=V     build libpostproc version V.
 272                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
 273
 274 Developer options (useful when working on FFmpeg itself):
 275   --enable-coverage        build with test coverage instrumentation
 276   --disable-debug          disable debugging symbols
 277   --enable-debug=LEVEL     set the debug level [$debuglevel]
 278   --disable-optimizations  disable compiler optimizations
 279   --enable-extra-warnings  enable more compiler warnings
 280   --disable-stripping      disable stripping of executables and shared libraries
 281   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
 282                            2 causes a slowdown at runtime.
 283   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
 284                            leaks and errors, using the specified valgrind binary.
 285                            Cannot be combined with --target-exec
 286   --samples=PATH           location of test samples for FATE, if not set use
 287                            \$FATE_SAMPLES at make invocation time.
 288   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
 289                            should be used only for debugging purposes)
 290   --enable-random          randomly enable/disable components
 291   --disable-random
 292   --enable-random=LIST     randomly enable/disable specific components or
 293   --disable-random=LIST    component groups. LIST is a comma-separated list
 294                            of NAME[:PROB] entries where NAME is a component
 295                            (group) and PROB the probability associated with
 296                            NAME (default 0.5).
 297   --random-seed=VALUE      seed value for --enable/disable-random
 298
 299 NOTE: Object files are built at the place where configure is launched.
 300 EOF
 301   exit 0
 302 }
 303
 304 quotes='""'
 305
 306 log(){
 307     echo "$@" >> $logfile
 308 }
 309
 310 log_file(){
 311     log BEGIN $1
 312     pr -n -t $1 >> $logfile
 313     log END $1
 314 }
 315
 316 echolog(){
 317     log "$@"
 318     echo "$@"
 319 }
 320
 321 warn(){
 322     log "WARNING: $*"
 323     WARNINGS="${WARNINGS}WARNING: $*\n"
 324 }
 325
 326 die(){
 327     echolog "$@"
 328     cat <<EOF
 329
 330 If you think configure made a mistake, make sure you are using the latest
 331 version from Git.  If the latest version fails, report the problem to the
 332 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 333 EOF
 334     if disabled logging; then
 335         cat <<EOF
 336 Rerun configure with logging enabled (do not use --disable-logging), and
 337 include the log this produces with your report.
 338 EOF
 339     else
 340 cat <<EOF
 341 Include the log file "$logfile" produced by configure as this will help
 342 solving the problem.
 343 EOF
 344     fi
 345     exit 1
 346 }
 347
 348 # Avoid locale weirdness, besides we really just want to translate ASCII.
 349 toupper(){
 350     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 351 }
 352
 353 tolower(){
 354     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 355 }
 356
 357 c_escape(){
 358     echo "$*" | sed 's/["\\]/\\\0/g'
 359 }
 360
 361 sh_quote(){
 362     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 363     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 364     echo "$v"
 365 }
 366
 367 cleanws(){
 368     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 369 }
 370
 371 filter(){
 372     pat=$1
 373     shift
 374     for v; do
 375         eval "case $v in $pat) echo $v ;; esac"
 376     done
 377 }
 378
 379 filter_out(){
 380     pat=$1
 381     shift
 382     for v; do
 383         eval "case $v in $pat) ;; *) echo $v ;; esac"
 384     done
 385 }
 386
 387 map(){
 388     m=$1
 389     shift
 390     for v; do eval $m; done
 391 }
 392
 393 set_all(){
 394     value=$1
 395     shift
 396     for var in $*; do
 397         eval $var=$value
 398     done
 399 }
 400
 401 set_weak(){
 402     value=$1
 403     shift
 404     for var; do
 405         eval : \${$var:=$value}
 406     done
 407 }
 408
 409 set_safe(){
 410     var=$1
 411     shift
 412     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 413 }
 414
 415 get_safe(){
 416     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 417 }
 418
 419 pushvar(){
 420     for var in $*; do
 421         eval level=\${${var}_level:=0}
 422         eval ${var}_${level}="\$$var"
 423         eval ${var}_level=$(($level+1))
 424     done
 425 }
 426
 427 popvar(){
 428     for var in $*; do
 429         eval level=\${${var}_level:-0}
 430         test $level = 0 && continue
 431         eval level=$(($level-1))
 432         eval $var="\${${var}_${level}}"
 433         eval ${var}_level=$level
 434         eval unset ${var}_${level}
 435     done
 436 }
 437
 438 enable(){
 439     set_all yes $*
 440 }
 441
 442 disable(){
 443     set_all no $*
 444 }
 445
 446 enable_weak(){
 447     set_weak yes $*
 448 }
 449
 450 disable_weak(){
 451     set_weak no $*
 452 }
 453
 454 enable_safe(){
 455     for var; do
 456         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 457     done
 458 }
 459
 460 disable_safe(){
 461     for var; do
 462         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 463     done
 464 }
 465
 466 do_enable_deep(){
 467     for var; do
 468         enabled $var && continue
 469         eval sel="\$${var}_select"
 470         eval sgs="\$${var}_suggest"
 471         pushvar var sgs
 472         enable_deep $sel
 473         popvar sgs
 474         enable_deep_weak $sgs
 475         popvar var
 476     done
 477 }
 478
 479 enable_deep(){
 480     do_enable_deep $*
 481     enable $*
 482 }
 483
 484 enable_deep_weak(){
 485     do_enable_deep $*
 486     enable_weak $*
 487 }
 488
 489 enabled(){
 490     test "${1#!}" = "$1" && op== || op=!=
 491     eval test "x\$${1#!}" $op "xyes"
 492 }
 493
 494 disabled(){
 495     test "${1#!}" = "$1" && op== || op=!=
 496     eval test "x\$${1#!}" $op "xno"
 497 }
 498
 499 enabled_all(){
 500     for opt; do
 501         enabled $opt || return 1
 502     done
 503 }
 504
 505 disabled_all(){
 506     for opt; do
 507         disabled $opt || return 1
 508     done
 509 }
 510
 511 enabled_any(){
 512     for opt; do
 513         enabled $opt && return 0
 514     done
 515 }
 516
 517 disabled_any(){
 518     for opt; do
 519         disabled $opt && return 0
 520     done
 521     return 1
 522 }
 523
 524 set_default(){
 525     for opt; do
 526         eval : \${$opt:=\$${opt}_default}
 527     done
 528 }
 529
 530 is_in(){
 531     value=$1
 532     shift
 533     for var in $*; do
 534         [ $var = $value ] && return 0
 535     done
 536     return 1
 537 }
 538
 539 check_deps(){
 540     for cfg; do
 541         cfg="${cfg#!}"
 542         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 543         disabled ${cfg}_checking && continue
 544         enable ${cfg}_checking
 545
 546         eval dep_all="\$${cfg}_deps"
 547         eval dep_any="\$${cfg}_deps_any"
 548         eval dep_sel="\$${cfg}_select"
 549         eval dep_sgs="\$${cfg}_suggest"
 550         eval dep_ifa="\$${cfg}_if"
 551         eval dep_ifn="\$${cfg}_if_any"
 552
 553         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 554         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 555         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 556
 557         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 558         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 559         enabled_all  $dep_all || disable $cfg
 560         enabled_any  $dep_any || disable $cfg
 561         disabled_any $dep_sel && disable $cfg
 562
 563         if enabled $cfg; then
 564             eval dep_extralibs="\$${cfg}_extralibs"
 565             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 566             enable_deep $dep_sel
 567             enable_deep_weak $dep_sgs
 568         fi
 569
 570         disable ${cfg}_checking
 571     done
 572 }
 573
 574 print_config_h(){
 575     enabled $1 && v=1 || v=0
 576     echo "#define $2 $v"
 577 }
 578
 579 print_config_mak(){
 580     enabled $1 && v= || v=!
 581     echo "$v$2=yes"
 582 }
 583
 584 print_config_asm(){
 585     enabled $1 && v=1 || v=0
 586     echo "%define $2 $v"
 587 }
 588
 589 print_config(){
 590     pfx=$1
 591     files=$2
 592     shift 2
 593     for cfg; do
 594         ucname="$(toupper $cfg)"
 595         for f in $files; do
 596             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 597         done
 598     done
 599 }
 600
 601 print_enabled(){
 602     test "$1" = -n && end=" " && shift || end="\n"
 603     suf=$1
 604     shift
 605     for v; do
 606         enabled $v && printf "%s$end" ${v%$suf};
 607     done
 608 }
 609
 610 append(){
 611     var=$1
 612     shift
 613     eval "$var=\"\$$var $*\""
 614 }
 615
 616 prepend(){
 617     var=$1
 618     shift
 619     eval "$var=\"$* \$$var\""
 620 }
 621
 622 add_cppflags(){
 623     append CPPFLAGS $($filter_cppflags "$@")
 624 }
 625
 626 add_cflags(){
 627     append CFLAGS $($filter_cflags "$@")
 628 }
 629
 630 add_cxxflags(){
 631     append CXXFLAGS $($filter_cflags "$@")
 632 }
 633
 634 add_asflags(){
 635     append ASFLAGS $($filter_asflags "$@")
 636 }
 637
 638 add_ldflags(){
 639     append LDFLAGS "$@"
 640 }
 641
 642 add_extralibs(){
 643     prepend extralibs "$@"
 644 }
 645
 646 check_cmd(){
 647     log "$@"
 648     "$@" >> $logfile 2>&1
 649 }
 650
 651 check_cc(){
 652     log check_cc "$@"
 653     cat > $TMPC
 654     log_file $TMPC
 655     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 656 }
 657
 658 check_cxx(){
 659     log check_cxx "$@"
 660     cat > $TMPCPP
 661     log_file $TMPCPP
 662     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
 663 }
 664
 665 check_cpp(){
 666     log check_cpp "$@"
 667     cat > $TMPC
 668     log_file $TMPC
 669     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 670 }
 671
 672 check_as(){
 673     log check_as "$@"
 674     cat > $TMPC
 675     log_file $TMPC
 676     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 677 }
 678
 679 check_asm(){
 680     log check_asm "$@"
 681     name="$1"
 682     code="$2"
 683     shift 2
 684     disable $name
 685     check_as "$@" <<EOF && enable $name
 686 void foo(void){ __asm__ volatile($code); }
 687 EOF
 688 }
 689
 690 check_yasm(){
 691     log check_yasm "$@"
 692     echo "$1" > $TMPS
 693     log_file $TMPS
 694     shift 1
 695     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 696 }
 697
 698 check_ld(){
 699     log check_ld "$@"
 700     type=$1
 701     shift 1
 702     flags=''
 703     libs=''
 704     for f; do
 705         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 706     done
 707     check_$type $($filter_cflags $flags) || return
 708     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
 709 }
 710
 711 check_cppflags(){
 712     log check_cppflags "$@"
 713     set -- $($filter_cppflags "$@")
 714     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 715 int x;
 716 EOF
 717 }
 718
 719 check_cflags(){
 720     log check_cflags "$@"
 721     set -- $($filter_cflags "$@")
 722     check_cc "$@" <<EOF && append CFLAGS "$@"
 723 int x;
 724 EOF
 725 }
 726
 727 check_cxxflags(){
 728     log check_cxxflags "$@"
 729     set -- $($filter_cflags "$@")
 730     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 731 int x;
 732 EOF
 733 }
 734
 735 test_ldflags(){
 736     log test_ldflags "$@"
 737     check_ld "cc" "$@" <<EOF
 738 int main(void){ return 0; }
 739 EOF
 740 }
 741
 742 check_ldflags(){
 743     log check_ldflags "$@"
 744     test_ldflags "$@" && add_ldflags "$@"
 745 }
 746
 747 check_header(){
 748     log check_header "$@"
 749     header=$1
 750     shift
 751     disable_safe $header
 752     check_cpp "$@" <<EOF && enable_safe $header
 753 #include <$header>
 754 int x;
 755 EOF
 756 }
 757
 758 check_func(){
 759     log check_func "$@"
 760     func=$1
 761     shift
 762     disable $func
 763     check_ld "cc" "$@" <<EOF && enable $func
 764 extern int $func();
 765 int main(void){ $func(); }
 766 EOF
 767 }
 768
 769 check_mathfunc(){
 770     log check_mathfunc "$@"
 771     func=$1
 772     shift
 773     disable $func
 774     check_ld "cc" "$@" <<EOF && enable $func
 775 #include <math.h>
 776 float foo(float f) { return $func(f); }
 777 int main(void){ return (int) foo; }
 778 EOF
 779 }
 780
 781 check_func_headers(){
 782     log check_func_headers "$@"
 783     headers=$1
 784     funcs=$2
 785     shift 2
 786     {
 787         for hdr in $headers; do
 788             echo "#include <$hdr>"
 789         done
 790         for func in $funcs; do
 791             echo "long check_$func(void) { return (long) $func; }"
 792         done
 793         echo "int main(void) { return 0; }"
 794     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 795 }
 796
 797 check_class_headers_cpp(){
 798     log check_class_headers_cpp "$@"
 799     headers=$1
 800     classes=$2
 801     shift 2
 802     {
 803         for hdr in $headers; do
 804             echo "#include <$hdr>"
 805         done
 806         echo "int main(void) { "
 807         i=1
 808         for class in $classes; do
 809             echo "$class obj$i;"
 810             i=$(expr $i + 1)
 811         done
 812         echo "return 0; }"
 813     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 814 }
 815
 816 check_cpp_condition(){
 817     log check_cpp_condition "$@"
 818     header=$1
 819     condition=$2
 820     shift 2
 821     check_cpp $($filter_cppflags "$@") <<EOF
 822 #include <$header>
 823 #if !($condition)
 824 #error "unsatisfied condition: $condition"
 825 #endif
 826 EOF
 827 }
 828
 829 check_lib(){
 830     log check_lib "$@"
 831     header="$1"
 832     func="$2"
 833     shift 2
 834     check_header $header && check_func $func "$@" && add_extralibs "$@"
 835 }
 836
 837 check_lib2(){
 838     log check_lib2 "$@"
 839     headers="$1"
 840     funcs="$2"
 841     shift 2
 842     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 843 }
 844
 845 check_lib_cpp(){
 846     log check_lib_cpp "$@"
 847     headers="$1"
 848     classes="$2"
 849     shift 2
 850     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 851 }
 852
 853 check_pkg_config(){
 854     log check_pkg_config "$@"
 855     pkg="$1"
 856     headers="$2"
 857     funcs="$3"
 858     shift 3
 859     $pkg_config --exists $pkg 2>/dev/null || return
 860     pkg_cflags=$($pkg_config --cflags $pkg)
 861     pkg_libs=$($pkg_config --libs $pkg)
 862     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 863         set_safe ${pkg}_cflags $pkg_cflags   &&
 864         set_safe ${pkg}_libs   $pkg_libs
 865 }
 866
 867 check_exec(){
 868     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 869 }
 870
 871 check_exec_crash(){
 872     code=$(cat)
 873
 874     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 875     # are safe but may not be available everywhere.  Thus we use
 876     # raise(SIGTERM) instead.  The check is run in a subshell so we
 877     # can redirect the "Terminated" message from the shell.  SIGBUS
 878     # is not defined by standard C so it is used conditionally.
 879
 880     (check_exec "$@") >> $logfile 2>&1 <<EOF
 881 #include <signal.h>
 882 static void sighandler(int sig){
 883     raise(SIGTERM);
 884 }
 885 int func(void){
 886     $code
 887 }
 888 int (*func_ptr)(void) = func;
 889 int main(void){
 890     signal(SIGILL, sighandler);
 891     signal(SIGFPE, sighandler);
 892     signal(SIGSEGV, sighandler);
 893 #ifdef SIGBUS
 894     signal(SIGBUS, sighandler);
 895 #endif
 896     return func_ptr();
 897 }
 898 EOF
 899 }
 900
 901 check_type(){
 902     log check_type "$@"
 903     headers=$1
 904     type=$2
 905     shift 2
 906     disable_safe "$type"
 907     incs=""
 908     for hdr in $headers; do
 909         incs="$incs
 910 #include <$hdr>"
 911     done
 912     check_cc "$@" <<EOF && enable_safe "$type"
 913 $incs
 914 $type v;
 915 EOF
 916 }
 917
 918 check_struct(){
 919     log check_type "$@"
 920     headers=$1
 921     struct=$2
 922     member=$3
 923     shift 3
 924     disable_safe "${struct}_${member}"
 925     incs=""
 926     for hdr in $headers; do
 927         incs="$incs
 928 #include <$hdr>"
 929     done
 930     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
 931 $incs
 932 const void *p = &(($struct *)0)->$member;
 933 EOF
 934 }
 935
 936 require(){
 937     name="$1"
 938     header="$2"
 939     func="$3"
 940     shift 3
 941     check_lib $header $func "$@" || die "ERROR: $name not found"
 942 }
 943
 944 require2(){
 945     name="$1"
 946     headers="$2"
 947     func="$3"
 948     shift 3
 949     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 950 }
 951
 952 require_cpp(){
 953     name="$1"
 954     headers="$2"
 955     classes="$3"
 956     shift 3
 957     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
 958 }
 959
 960 require_pkg_config(){
 961     pkg="$1"
 962     check_pkg_config "$@" || die "ERROR: $pkg not found"
 963     add_cflags    $(get_safe ${pkg}_cflags)
 964     add_extralibs $(get_safe ${pkg}_libs)
 965 }
 966
 967 check_host_cc(){
 968     log check_host_cc "$@"
 969     cat > $TMPC
 970     log_file $TMPC
 971     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
 972 }
 973
 974 check_host_cflags(){
 975     log check_host_cflags "$@"
 976     check_host_cc "$@" <<EOF && append host_cflags "$@"
 977 int x;
 978 EOF
 979 }
 980
 981 apply(){
 982     file=$1
 983     shift
 984     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 985 }
 986
 987 cp_if_changed(){
 988     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
 989     mkdir -p "$(dirname $2)"
 990     cp -f "$1" "$2"
 991 }
 992
 993 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 994 # system-dependent things.
 995
 996 COMPONENT_LIST="
 997     bsfs
 998     decoders
 999     demuxers
1000     encoders
1001     filters
1002     hwaccels
1003     indevs
1004     muxers
1005     outdevs
1006     parsers
1007     protocols
1008 "
1009
1010 PROGRAM_LIST="
1011     ffplay
1012     ffprobe
1013     ffserver
1014     ffmpeg
1015 "
1016
1017 CONFIG_LIST="
1018     $COMPONENT_LIST
1019     $PROGRAM_LIST
1020     ac3dsp
1021     avcodec
1022     avdevice
1023     avfilter
1024     avformat
1025     avresample
1026     avisynth
1027     bzlib
1028     crystalhd
1029     dct
1030     doc
1031     dwt
1032     dxva2
1033     fastdiv
1034     fft
1035     fontconfig
1036     frei0r
1037     gnutls
1038     gpl
1039     gray
1040     hardcoded_tables
1041     libaacplus
1042     libass
1043     libbluray
1044     libcdio
1045     libcelt
1046     libdc1394
1047     libfaac
1048     libfreetype
1049     libgsm
1050     libmodplug
1051     libmp3lame
1052     libnut
1053     libopencore_amrnb
1054     libopencore_amrwb
1055     libopencv
1056     libopenjpeg
1057     libpulse
1058     librtmp
1059     libschroedinger
1060     libspeex
1061     libstagefright_h264
1062     libtheora
1063     libutvideo
1064     libv4l2
1065     libvo_aacenc
1066     libvo_amrwbenc
1067     libvorbis
1068     libvpx
1069     libx264
1070     libxavs
1071     libxvid
1072     lsp
1073     mdct
1074     memalign_hack
1075     mpegaudiodsp
1076     network
1077     nonfree
1078     openal
1079     openssl
1080     pic
1081     postproc
1082     rdft
1083     rtpdec
1084     runtime_cpudetect
1085     safe_bitstream_reader
1086     shared
1087     sinewin
1088     small
1089     sram
1090     static
1091     swresample
1092     swscale
1093     swscale_alpha
1094     thumb
1095     vaapi
1096     vda
1097     vdpau
1098     version3
1099     xmm_clobber_test
1100     x11grab
1101     zlib
1102 "
1103
1104 THREADS_LIST='
1105     pthreads
1106     w32threads
1107     os2threads
1108 '
1109
1110 ARCH_LIST='
1111     alpha
1112     arm
1113     avr32
1114     avr32_ap
1115     avr32_uc
1116     bfin
1117     ia64
1118     m68k
1119     mips
1120     mips64
1121     parisc
1122     ppc
1123     ppc64
1124     s390
1125     sh4
1126     sparc
1127     sparc64
1128     tomi
1129     x86
1130     x86_32
1131     x86_64
1132 '
1133
1134 ARCH_EXT_LIST='
1135     altivec
1136     amd3dnow
1137     amd3dnowext
1138     armv5te
1139     armv6
1140     armv6t2
1141     armvfp
1142     avx
1143     mmi
1144     mmx
1145     mmx2
1146     neon
1147     ppc4xx
1148     sse
1149     ssse3
1150     vfpv3
1151     vis
1152 '
1153
1154 HAVE_LIST_PUB='
1155     bigendian
1156     fast_unaligned
1157 '
1158
1159 HAVE_LIST="
1160     $ARCH_EXT_LIST
1161     $HAVE_LIST_PUB
1162     $THREADS_LIST
1163     aligned_stack
1164     alsa_asoundlib_h
1165     altivec_h
1166     arpa_inet_h
1167     asm_mod_y
1168     asm_types_h
1169     attribute_may_alias
1170     attribute_packed
1171     cbrtf
1172     clock_gettime
1173     closesocket
1174     cmov
1175     dcbzl
1176     dev_bktr_ioctl_bt848_h
1177     dev_bktr_ioctl_meteor_h
1178     dev_ic_bt8xx_h
1179     dev_video_bktr_ioctl_bt848_h
1180     dev_video_meteor_ioctl_meteor_h
1181     dlfcn_h
1182     dlopen
1183     dos_paths
1184     ebp_available
1185     ebx_available
1186     exp2
1187     exp2f
1188     fast_64bit
1189     fast_clz
1190     fast_cmov
1191     fcntl
1192     fork
1193     getaddrinfo
1194     gethrtime
1195     GetProcessAffinityMask
1196     GetProcessMemoryInfo
1197     GetProcessTimes
1198     getrusage
1199     glob
1200     gnu_as
1201     ibm_asm
1202     inet_aton
1203     inline_asm
1204     isatty
1205     kbhit
1206     ldbrx
1207     libdc1394_1
1208     libdc1394_2
1209     llrint
1210     llrintf
1211     local_aligned_16
1212     local_aligned_8
1213     localtime_r
1214     log2
1215     log2f
1216     loongson
1217     lrint
1218     lrintf
1219     lzo1x_999_compress
1220     machine_ioctl_bt848_h
1221     machine_ioctl_meteor_h
1222     makeinfo
1223     malloc_h
1224     MapViewOfFile
1225     memalign
1226     mkstemp
1227     mmap
1228     netinet_sctp_h
1229     PeekNamedPipe
1230     poll_h
1231     posix_memalign
1232     pthread_cancel
1233     round
1234     roundf
1235     sched_getaffinity
1236     sdl
1237     sdl_video_size
1238     setmode
1239     setrlimit
1240     sndio_h
1241     socklen_t
1242     soundcard_h
1243     strerror_r
1244     strptime
1245     struct_addrinfo
1246     struct_ipv6_mreq
1247     struct_rusage_ru_maxrss
1248     struct_sockaddr_in6
1249     struct_sockaddr_sa_len
1250     struct_sockaddr_storage
1251     struct_v4l2_frmivalenum_discrete
1252     symver
1253     symver_asm_label
1254     symver_gnu_asm
1255     sysconf
1256     sysctl
1257     sys_mman_h
1258     sys_param_h
1259     sys_resource_h
1260     sys_select_h
1261     sys_soundcard_h
1262     sys_videoio_h
1263     termios_h
1264     threads
1265     trunc
1266     truncf
1267     vfp_args
1268     VirtualAlloc
1269     winsock2_h
1270     xform_asm
1271     xmm_clobbers
1272     yasm
1273 "
1274
1275 # options emitted with CONFIG_ prefix but not available on command line
1276 CONFIG_EXTRA="
1277     aandct
1278     avutil
1279     golomb
1280     gplv3
1281     h264chroma
1282     h264dsp
1283     h264pred
1284     h264qpel
1285     huffman
1286     lgplv3
1287     lpc
1288 "
1289
1290 CMDLINE_SELECT="
1291     $ARCH_EXT_LIST
1292     $CONFIG_LIST
1293     $THREADS_LIST
1294     asm
1295     coverage
1296     cross_compile
1297     debug
1298     extra_warnings
1299     logging
1300     optimizations
1301     stripping
1302     symver
1303     yasm
1304 "
1305
1306 PATHS_LIST='
1307     bindir
1308     datadir
1309     incdir
1310     libdir
1311     mandir
1312     prefix
1313     shlibdir
1314 '
1315
1316 CMDLINE_SET="
1317     $PATHS_LIST
1318     ar
1319     arch
1320     as
1321     assert_level
1322     build_suffix
1323     cc
1324     cpu
1325     cross_prefix
1326     cxx
1327     dep_cc
1328     extra_version
1329     host_cc
1330     host_cflags
1331     host_ldflags
1332     host_libs
1333     host_os
1334     install
1335     ld
1336     logfile
1337     malloc_prefix
1338     nm
1339     optflags
1340     pkg_config
1341     postproc_version
1342     progs_suffix
1343     random_seed
1344     samples
1345     strip
1346     sysinclude
1347     sysroot
1348     target_exec
1349     target_os
1350     target_path
1351     valgrind
1352     yasmexe
1353 "
1354
1355 CMDLINE_APPEND="
1356     extra_cflags
1357     extra_cxxflags
1358 "
1359
1360 # code dependency declarations
1361
1362 # architecture extensions
1363
1364 armv5te_deps="arm"
1365 armv6_deps="arm"
1366 armv6t2_deps="arm"
1367 armvfp_deps="arm"
1368 neon_deps="arm"
1369 vfpv3_deps="armvfp"
1370
1371 mmi_deps="mips"
1372
1373 altivec_deps="ppc"
1374 ppc4xx_deps="ppc"
1375
1376 vis_deps="sparc"
1377
1378 x86_64_suggest="cmov fast_cmov"
1379 amd3dnow_deps="mmx"
1380 amd3dnowext_deps="amd3dnow"
1381 mmx_deps="x86"
1382 mmx2_deps="mmx"
1383 sse_deps="mmx"
1384 ssse3_deps="sse"
1385 avx_deps="ssse3"
1386
1387 aligned_stack_if_any="ppc x86"
1388 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1389 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1390 fast_unaligned_if_any="armv6 ppc x86"
1391
1392 inline_asm_deps="!tms470"
1393 need_memalign="altivec neon sse"
1394
1395 symver_if_any="symver_asm_label symver_gnu_asm"
1396
1397 # subsystems
1398 dct_select="rdft"
1399 mdct_select="fft"
1400 rdft_select="fft"
1401 mpegaudiodsp_select="dct"
1402
1403 # decoders / encoders / hardware accelerators
1404 aac_decoder_select="mdct sinewin"
1405 aac_encoder_select="mdct sinewin"
1406 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1407 ac3_decoder_select="mdct ac3dsp ac3_parser"
1408 ac3_encoder_select="mdct ac3dsp"
1409 ac3_fixed_encoder_select="mdct ac3dsp"
1410 alac_encoder_select="lpc"
1411 amrnb_decoder_select="lsp"
1412 amrwb_decoder_select="lsp"
1413 amv_encoder_select="aandct"
1414 atrac1_decoder_select="mdct sinewin"
1415 atrac3_decoder_select="mdct"
1416 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1417 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1418 cavs_decoder_select="golomb"
1419 cook_decoder_select="mdct sinewin"
1420 cscd_decoder_suggest="zlib"
1421 dca_decoder_select="mdct"
1422 dirac_decoder_select="dwt golomb"
1423 dnxhd_encoder_select="aandct"
1424 dxa_decoder_select="zlib"
1425 eac3_decoder_select="ac3_decoder"
1426 eac3_encoder_select="mdct ac3dsp"
1427 eamad_decoder_select="aandct"
1428 eatgq_decoder_select="aandct"
1429 eatqi_decoder_select="aandct"
1430 ffv1_decoder_select="golomb"
1431 flac_decoder_select="golomb"
1432 flac_encoder_select="golomb lpc"
1433 flashsv_decoder_select="zlib"
1434 flashsv_encoder_select="zlib"
1435 flashsv2_encoder_select="zlib"
1436 flashsv2_decoder_select="zlib"
1437 flv_decoder_select="h263_decoder"
1438 flv_encoder_select="h263_encoder"
1439 fraps_decoder_select="huffman"
1440 h261_encoder_select="aandct"
1441 h263_decoder_select="h263_parser"
1442 h263_encoder_select="aandct"
1443 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1444 h263i_decoder_select="h263_decoder"
1445 h263p_encoder_select="h263_encoder"
1446 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1447 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1448 h264_dxva2_hwaccel_deps="dxva2api_h"
1449 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1450 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1451 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1452 h264_vda_hwaccel_select="vda h264_decoder"
1453 h264_vdpau_decoder_select="vdpau h264_decoder"
1454 imc_decoder_select="fft mdct sinewin"
1455 jpegls_decoder_select="golomb"
1456 jpegls_encoder_select="golomb"
1457 ljpeg_encoder_select="aandct"
1458 loco_decoder_select="golomb"
1459 mjpeg_encoder_select="aandct"
1460 mlp_decoder_select="mlp_parser"
1461 mp1_decoder_select="mpegaudiodsp"
1462 mp1float_decoder_select="mpegaudiodsp"
1463 mp2_decoder_select="mpegaudiodsp"
1464 mp2float_decoder_select="mpegaudiodsp"
1465 mp3_decoder_select="mpegaudiodsp"
1466 mp3adu_decoder_select="mpegaudiodsp"
1467 mp3adufloat_decoder_select="mpegaudiodsp"
1468 mp3float_decoder_select="mpegaudiodsp"
1469 mp3on4_decoder_select="mpegaudiodsp"
1470 mp3on4float_decoder_select="mpegaudiodsp"
1471 mpc7_decoder_select="mpegaudiodsp"
1472 mpc8_decoder_select="mpegaudiodsp"
1473 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1474 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1475 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1476 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1477 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1478 mpeg1video_encoder_select="aandct"
1479 mpeg2_crystalhd_decoder_select="crystalhd"
1480 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1481 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1482 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1483 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1484 mpeg2video_encoder_select="aandct"
1485 mpeg4_crystalhd_decoder_select="crystalhd"
1486 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1487 mpeg4_encoder_select="h263_encoder"
1488 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1489 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1490 msmpeg4_crystalhd_decoder_select="crystalhd"
1491 msmpeg4v1_decoder_select="h263_decoder"
1492 msmpeg4v1_encoder_select="h263_encoder"
1493 msmpeg4v2_decoder_select="h263_decoder"
1494 msmpeg4v2_encoder_select="h263_encoder"
1495 msmpeg4v3_decoder_select="h263_decoder"
1496 msmpeg4v3_encoder_select="h263_encoder"
1497 nellymoser_decoder_select="mdct sinewin"
1498 nellymoser_encoder_select="mdct sinewin"
1499 png_decoder_select="zlib"
1500 png_encoder_select="zlib"
1501 qcelp_decoder_select="lsp"
1502 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1503 ra_144_encoder_select="lpc"
1504 ralf_decoder_select="golomb"
1505 rv10_decoder_select="h263_decoder"
1506 rv10_encoder_select="h263_encoder"
1507 rv20_decoder_select="h263_decoder"
1508 rv20_encoder_select="h263_encoder"
1509 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1510 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1511 shorten_decoder_select="golomb"
1512 sipr_decoder_select="lsp"
1513 snow_decoder_select="dwt"
1514 snow_encoder_select="aandct dwt"
1515 sonic_decoder_select="golomb"
1516 sonic_encoder_select="golomb"
1517 sonic_ls_encoder_select="golomb"
1518 svq1_encoder_select="aandct"
1519 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1520 svq3_decoder_suggest="zlib"
1521 theora_decoder_select="vp3_decoder"
1522 tiff_decoder_suggest="zlib"
1523 tiff_encoder_suggest="zlib"
1524 truehd_decoder_select="mlp_decoder"
1525 tscc_decoder_select="zlib"
1526 twinvq_decoder_select="mdct lsp sinewin"
1527 vc1_crystalhd_decoder_select="crystalhd"
1528 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1529 vc1_dxva2_hwaccel_deps="dxva2api_h"
1530 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1531 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1532 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1533 vc1image_decoder_select="vc1_decoder"
1534 vorbis_decoder_select="mdct"
1535 vorbis_encoder_select="mdct"
1536 vp6_decoder_select="huffman"
1537 vp6a_decoder_select="vp6_decoder"
1538 vp6f_decoder_select="vp6_decoder"
1539 vp8_decoder_select="h264pred h264qpel"
1540 wmapro_decoder_select="mdct sinewin"
1541 wmav1_decoder_select="mdct sinewin"
1542 wmav1_encoder_select="mdct sinewin"
1543 wmav2_decoder_select="mdct sinewin"
1544 wmav2_encoder_select="mdct sinewin"
1545 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1546 wmv1_decoder_select="h263_decoder"
1547 wmv1_encoder_select="h263_encoder"
1548 wmv2_decoder_select="h263_decoder"
1549 wmv2_encoder_select="h263_encoder"
1550 wmv3_decoder_select="vc1_decoder"
1551 wmv3_crystalhd_decoder_select="crystalhd"
1552 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1553 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1554 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1555 wmv3image_decoder_select="wmv3_decoder"
1556 zerocodec_decoder_select="zlib"
1557 zlib_decoder_select="zlib"
1558 zlib_encoder_select="zlib"
1559 zmbv_decoder_select="zlib"
1560 zmbv_encoder_select="zlib"
1561
1562 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1563 vaapi_deps="va_va_h"
1564 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1565 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1566
1567 # parsers
1568 h264_parser_select="golomb h264dsp h264pred"
1569
1570 # external libraries
1571 libaacplus_encoder_deps="libaacplus"
1572 libcelt_decoder_deps="libcelt"
1573 libfaac_encoder_deps="libfaac"
1574 libgsm_decoder_deps="libgsm"
1575 libgsm_encoder_deps="libgsm"
1576 libgsm_ms_decoder_deps="libgsm"
1577 libgsm_ms_encoder_deps="libgsm"
1578 libmodplug_demuxer_deps="libmodplug"
1579 libmp3lame_encoder_deps="libmp3lame"
1580 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1581 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1582 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1583 libopenjpeg_decoder_deps="libopenjpeg"
1584 libopenjpeg_encoder_deps="libopenjpeg"
1585 libschroedinger_decoder_deps="libschroedinger"
1586 libschroedinger_encoder_deps="libschroedinger"
1587 libspeex_decoder_deps="libspeex"
1588 libspeex_encoder_deps="libspeex"
1589 libstagefright_h264_decoder_deps="libstagefright_h264"
1590 libtheora_encoder_deps="libtheora"
1591 libvo_aacenc_encoder_deps="libvo_aacenc"
1592 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1593 libvorbis_decoder_deps="libvorbis"
1594 libvorbis_encoder_deps="libvorbis"
1595 libvpx_decoder_deps="libvpx"
1596 libvpx_encoder_deps="libvpx"
1597 libx264_encoder_deps="libx264"
1598 libx264rgb_encoder_deps="libx264"
1599 libxavs_encoder_deps="libxavs"
1600 libxvid_encoder_deps="libxvid"
1601 libutvideo_decoder_deps="libutvideo"
1602 libutvideo_encoder_deps="libutvideo"
1603
1604 # demuxers / muxers
1605 ac3_demuxer_select="ac3_parser"
1606 asf_stream_muxer_select="asf_muxer"
1607 avisynth_demuxer_deps="avisynth"
1608 dirac_demuxer_select="dirac_parser"
1609 eac3_demuxer_select="ac3_parser"
1610 flac_demuxer_select="flac_parser"
1611 ipod_muxer_select="mov_muxer"
1612 libnut_demuxer_deps="libnut"
1613 libnut_muxer_deps="libnut"
1614 matroska_audio_muxer_select="matroska_muxer"
1615 matroska_demuxer_suggest="zlib bzlib"
1616 mov_demuxer_suggest="zlib"
1617 mp3_demuxer_select="mpegaudio_parser"
1618 mp4_muxer_select="mov_muxer"
1619 mpegts_muxer_select="adts_muxer latm_muxer"
1620 mpegtsraw_demuxer_select="mpegts_demuxer"
1621 mxf_d10_muxer_select="mxf_muxer"
1622 ogg_demuxer_select="golomb"
1623 psp_muxer_select="mov_muxer"
1624 rtp_demuxer_select="sdp_demuxer"
1625 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1626 rtsp_demuxer_select="http_protocol rtpdec"
1627 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1628 sap_demuxer_select="sdp_demuxer"
1629 sap_muxer_select="rtp_muxer rtp_protocol"
1630 sdp_demuxer_select="rtpdec"
1631 spdif_muxer_select="aac_parser"
1632 tg2_muxer_select="mov_muxer"
1633 tgp_muxer_select="mov_muxer"
1634 w64_demuxer_deps="wav_demuxer"
1635
1636 # indevs / outdevs
1637 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1638 alsa_outdev_deps="alsa_asoundlib_h"
1639 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1640 dshow_indev_deps="IBaseFilter"
1641 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1642 dv1394_indev_deps="dv1394 dv_demuxer"
1643 fbdev_indev_deps="linux_fb_h"
1644 jack_indev_deps="jack_jack_h sem_timedwait"
1645 lavfi_indev_deps="avfilter"
1646 libcdio_indev_deps="libcdio"
1647 libdc1394_indev_deps="libdc1394"
1648 libv4l2_indev_deps="libv4l2"
1649 openal_indev_deps="openal"
1650 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1651 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1652 pulse_indev_deps="libpulse"
1653 sdl_outdev_deps="sdl"
1654 sndio_indev_deps="sndio_h"
1655 sndio_outdev_deps="sndio_h"
1656 v4l_indev_deps="linux_videodev_h"
1657 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1658 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1659 vfwcap_indev_extralibs="-lavicap32"
1660 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1661
1662 # protocols
1663 bluray_protocol_deps="libbluray"
1664 gopher_protocol_deps="network"
1665 httpproxy_protocol_deps="network"
1666 httpproxy_protocol_select="tcp_protocol"
1667 http_protocol_deps="network"
1668 http_protocol_select="tcp_protocol"
1669 https_protocol_select="tls_protocol"
1670 librtmp_protocol_deps="librtmp"
1671 librtmpe_protocol_deps="librtmp"
1672 librtmps_protocol_deps="librtmp"
1673 librtmpt_protocol_deps="librtmp"
1674 librtmpte_protocol_deps="librtmp"
1675 mmsh_protocol_select="http_protocol"
1676 mmst_protocol_deps="network"
1677 rtmp_protocol_deps="!librtmp_protocol"
1678 rtmp_protocol_select="tcp_protocol"
1679 rtp_protocol_select="udp_protocol"
1680 sctp_protocol_deps="network netinet_sctp_h"
1681 tcp_protocol_deps="network"
1682 tls_protocol_deps_any="openssl gnutls"
1683 tls_protocol_select="tcp_protocol"
1684 udp_protocol_deps="network"
1685
1686 # filters
1687 aconvert_filter_deps="swresample"
1688 amovie_filter_deps="avcodec avformat"
1689 aresample_filter_deps="swresample"
1690 ass_filter_deps="libass"
1691 asyncts_filter_deps="avresample"
1692 blackframe_filter_deps="gpl"
1693 boxblur_filter_deps="gpl"
1694 colormatrix_filter_deps="gpl"
1695 cropdetect_filter_deps="gpl"
1696 delogo_filter_deps="gpl"
1697 deshake_filter_deps="avcodec"
1698 drawtext_filter_deps="libfreetype"
1699 frei0r_filter_deps="frei0r dlopen"
1700 frei0r_filter_extralibs='$ldl'
1701 frei0r_src_filter_deps="frei0r dlopen"
1702 frei0r_src_filter_extralibs='$ldl'
1703 hqdn3d_filter_deps="gpl"
1704 movie_filter_deps="avcodec avformat"
1705 mp_filter_deps="gpl avcodec swscale postproc"
1706 mptestsrc_filter_deps="gpl"
1707 negate_filter_deps="lut_filter"
1708 resample_filter_deps="avresample"
1709 ocv_filter_deps="libopencv"
1710 pan_filter_deps="swresample"
1711 removelogo_filter_deps="avcodec avformat swscale"
1712 scale_filter_deps="swscale"
1713 select_filter_deps="avcodec"
1714 super2xsai_filter_deps="gpl"
1715 tinterlace_filter_deps="gpl"
1716 yadif_filter_deps="gpl"
1717
1718 # libraries
1719 avdevice_deps="avcodec avformat"
1720 avfilter_deps="swscale"
1721 avformat_deps="avcodec"
1722 postproc_deps="gpl"
1723
1724 # programs
1725 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1726 ffmpeg_select="buffersink_filter format_filter aformat_filter
1727                setpts_filter null_filter anull_filter"
1728 ffplay_deps="avcodec avformat swscale swresample sdl"
1729 ffplay_select="buffersink_filter rdft"
1730 ffprobe_deps="avcodec avformat"
1731 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1732 ffserver_extralibs='$ldl'
1733
1734 doc_deps="texi2html"
1735
1736 # tests
1737
1738 test_deps(){
1739     suf1=$1
1740     suf2=$2
1741     shift 2
1742     for v; do
1743         dep=${v%=*}
1744         tests=${v#*=}
1745         for name in ${tests}; do
1746             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1747         done
1748     done
1749 }
1750
1751 mxf_d10_test_deps="avfilter"
1752 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1753
1754 test_deps _muxer _demuxer                                               \
1755     aiff                                                                \
1756     pcm_alaw=alaw                                                       \
1757     asf                                                                 \
1758     au                                                                  \
1759     avi                                                                 \
1760     dv=dv_fmt                                                           \
1761     ffm                                                                 \
1762     flv=flv_fmt                                                         \
1763     gxf                                                                 \
1764     matroska=mkv                                                        \
1765     mmf                                                                 \
1766     mov="mov ismv"                                                      \
1767     pcm_mulaw=mulaw                                                     \
1768     mxf="mxf mxf_d10"                                                   \
1769     nut                                                                 \
1770     ogg="ogg ogg_vp3"                                                   \
1771     rawvideo=pixfmt                                                     \
1772     rm                                                                  \
1773     swf                                                                 \
1774     mpegts=ts                                                           \
1775     voc                                                                 \
1776     wav                                                                 \
1777     yuv4mpegpipe=yuv4mpeg                                               \
1778
1779 colormatrix1_test_deps="colormatrix_filter"
1780 colormatrix2_test_deps="colormatrix_filter"
1781 flashsv2_test_deps="zlib"
1782 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1783 mpng_test_deps="zlib"
1784 pp_test_deps="mp_filter"
1785 pp2_test_deps="mp_filter"
1786 pp3_test_deps="mp_filter"
1787 pp4_test_deps="mp_filter"
1788 pp5_test_deps="mp_filter"
1789 pp6_test_deps="mp_filter"
1790 zlib_test_deps="zlib"
1791 zmbv_test_deps="zlib"
1792
1793 # default parameters
1794
1795 logfile="config.log"
1796
1797 # installation paths
1798 prefix_default="/usr/local"
1799 bindir_default='${prefix}/bin'
1800 datadir_default='${prefix}/share/ffmpeg'
1801 incdir_default='${prefix}/include'
1802 libdir_default='${prefix}/lib'
1803 mandir_default='${prefix}/share/man'
1804 shlibdir_default="$libdir_default"
1805 postproc_version_default="current"
1806
1807 # toolchain
1808 ar_default="ar"
1809 cc_default="gcc"
1810 cxx_default="g++"
1811 cc_version=\"unknown\"
1812 host_cc_default="gcc"
1813 install="install"
1814 ln_s="ln -sf"
1815 nm_default="nm"
1816 objformat="elf"
1817 pkg_config_default=pkg-config
1818 ranlib="ranlib"
1819 strip_default="strip"
1820 yasmexe_default="yasm"
1821
1822 nm_opts='-g'
1823 nogas=":"
1824
1825 # machine
1826 arch_default=$(uname -m)
1827 cpu="generic"
1828
1829 # OS
1830 target_os_default=$(tolower $(uname -s))
1831 host_os=$target_os_default
1832
1833 # alternative libpostproc version
1834 ALT_PP_VER_MAJOR=51
1835 ALT_PP_VER_MINOR=2
1836 ALT_PP_VER_MICRO=101
1837 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1838
1839 # configurable options
1840 enable $PROGRAM_LIST
1841
1842 enable avcodec
1843 enable avdevice
1844 enable avfilter
1845 enable avformat
1846 enable avutil
1847 enable postproc
1848 enable stripping
1849 enable swresample
1850 enable swscale
1851
1852 enable asm
1853 enable debug
1854 enable doc
1855 enable fastdiv
1856 enable network
1857 enable optimizations
1858 enable safe_bitstream_reader
1859 enable static
1860 enable swscale_alpha
1861
1862 # build settings
1863 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1864 FFSERVERLDFLAGS=-Wl,-E
1865 LIBPREF="lib"
1866 LIBSUF=".a"
1867 FULLNAME='$(NAME)$(BUILDSUF)'
1868 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1869 SLIBPREF="lib"
1870 SLIBSUF=".so"
1871 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1872 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1873 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1874 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1875 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1876 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1877
1878 AS_O='-o $@'
1879 CC_O='-o $@'
1880 CXX_O='-o $@'
1881
1882 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1883 host_libs='-lm'
1884
1885 target_path='$(CURDIR)'
1886
1887 # since the object filename is not given with the -MM flag, the compiler
1888 # is only able to print the basename, and we must add the path ourselves
1889 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1890 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1891
1892 # find source path
1893 if test -f configure; then
1894     source_path=.
1895 else
1896     source_path=$(cd $(dirname "$0"); pwd)
1897     echo "$source_path" | grep -q '[[:blank:]]' &&
1898         die "Out of tree builds are impossible with whitespace in source path."
1899     test -e "$source_path/config.h" &&
1900         die "Out of tree builds are impossible with config.h in source dir."
1901 fi
1902
1903 for v in "$@"; do
1904     r=${v#*=}
1905     l=${v%"$r"}
1906     r=$(sh_quote "$r")
1907     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1908 done
1909
1910 find_things(){
1911     thing=$1
1912     pattern=$2
1913     file=$source_path/$3
1914     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1915 }
1916
1917 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1918 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1919 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1920 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1921 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1922 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1923 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1924 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1925 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1926 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1927 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1928
1929 ALL_COMPONENTS="
1930     $BSF_LIST
1931     $DECODER_LIST
1932     $DEMUXER_LIST
1933     $ENCODER_LIST
1934     $FILTER_LIST
1935     $HWACCEL_LIST
1936     $INDEV_LIST
1937     $MUXER_LIST
1938     $OUTDEV_LIST
1939     $PARSER_LIST
1940     $PROTOCOL_LIST
1941 "
1942
1943 find_tests(){
1944     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1945 }
1946
1947 LAVF_FATE_TESTS=$(find_tests lavf-fate)
1948 LAVF_TESTS=$(find_tests lavf)
1949 LAVFI_TESTS=$(find_tests lavfi)
1950 SEEK_TESTS=$(find_tests seek seek_)
1951
1952 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1953
1954 for n in $COMPONENT_LIST; do
1955     v=$(toupper ${n%s})_LIST
1956     eval enable \$$v
1957     eval ${n}_if_any="\$$v"
1958 done
1959
1960 enable $ARCH_EXT_LIST $ALL_TESTS
1961
1962 die_unknown(){
1963     echo "Unknown option \"$1\"."
1964     echo "See $0 --help for available options."
1965     exit 1
1966 }
1967
1968 show_list() {
1969     suffix=_$1
1970     shift
1971     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1972     exit 0
1973 }
1974
1975 rand_list(){
1976     IFS=', '
1977     set -- $*
1978     unset IFS
1979     for thing; do
1980         comp=${thing%:*}
1981         prob=${thing#$comp}
1982         prob=${prob#:}
1983         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1984         echo "prob ${prob:-0.5}"
1985         printf '%s\n' $comp
1986     done
1987 }
1988
1989 do_random(){
1990     action=$1
1991     shift
1992     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1993     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1994 }
1995
1996 for opt do
1997     optval="${opt#*=}"
1998     case "$opt" in
1999     --extra-ldflags=*) add_ldflags $optval
2000     ;;
2001     --extra-libs=*) add_extralibs $optval
2002     ;;
2003     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2004     ;;
2005     --enable-debug=*) debuglevel="$optval"
2006     ;;
2007     --disable-everything)
2008     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2009     ;;
2010     --enable-random|--disable-random)
2011     action=${opt%%-random}
2012     do_random ${action#--} $COMPONENT_LIST
2013     ;;
2014     --enable-random=*|--disable-random=*)
2015     action=${opt%%-random=*}
2016     do_random ${action#--} $optval
2017     ;;
2018     --enable-*=*|--disable-*=*)
2019     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2020     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2021     eval list=\$$(toupper $thing)_LIST
2022     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2023     $action $(filter "$name" $list)
2024     ;;
2025     --enable-?*|--disable-?*)
2026     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2027     if is_in $option $COMPONENT_LIST; then
2028         test $action = disable && action=unset
2029         eval $action \$$(toupper ${option%s})_LIST
2030     elif is_in $option $CMDLINE_SELECT; then
2031         $action $option
2032     else
2033         die_unknown $opt
2034     fi
2035     ;;
2036     --list-*)
2037         NAME="${opt#--list-}"
2038         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2039         NAME=${NAME%s}
2040         eval show_list $NAME \$$(toupper $NAME)_LIST
2041     ;;
2042     --help|-h) show_help
2043     ;;
2044     *)
2045     optname="${opt%%=*}"
2046     optname="${optname#--}"
2047     optname=$(echo "$optname" | sed 's/-/_/g')
2048     if is_in $optname $CMDLINE_SET; then
2049         eval $optname='$optval'
2050     elif is_in $optname $CMDLINE_APPEND; then
2051         append $optname "$optval"
2052     else
2053          die_unknown $opt
2054     fi
2055     ;;
2056     esac
2057 done
2058
2059 disabled logging && logfile=/dev/null
2060
2061 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2062 set >> $logfile
2063
2064 test -n "$cross_prefix" && enable cross_compile
2065
2066 if enabled cross_compile; then
2067     test -n "$arch" && test -n "$target_os" ||
2068         die "Must specify target arch and OS when cross-compiling"
2069 fi
2070
2071 set_default arch target_os postproc_version
2072
2073 # Check if we should build alternative libpostproc version instead of current
2074 if   test "$postproc_version" = $ALT_PP_VER; then
2075   LIBPOSTPROC_VERSION=$ALT_PP_VER
2076   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2077   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2078   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2079 elif test "$postproc_version" != current; then
2080   die "Invalid argument to --postproc-version. See --help output."
2081 fi
2082
2083 ar_default="${cross_prefix}${ar_default}"
2084 cc_default="${cross_prefix}${cc_default}"
2085 cxx_default="${cross_prefix}${cxx_default}"
2086 nm_default="${cross_prefix}${nm_default}"
2087 pkg_config_default="${cross_prefix}${pkg_config_default}"
2088 ranlib="${cross_prefix}${ranlib}"
2089 strip_default="${cross_prefix}${strip_default}"
2090
2091 sysinclude_default="${sysroot}/usr/include"
2092
2093 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2094 enabled cross_compile || host_cc_default=$cc
2095 set_default host_cc
2096
2097 if ! $pkg_config --version >/dev/null 2>&1; then
2098     warn "$pkg_config not found, library detection may fail."
2099     pkg_config=false
2100 fi
2101
2102 exesuf() {
2103     case $1 in
2104         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2105     esac
2106 }
2107
2108 EXESUF=$(exesuf $target_os)
2109 HOSTEXESUF=$(exesuf $host_os)
2110
2111 # set temporary file name
2112 : ${TMPDIR:=$TEMPDIR}
2113 : ${TMPDIR:=$TMP}
2114 : ${TMPDIR:=/tmp}
2115
2116 if ! check_cmd mktemp -u XXXXXX; then
2117     # simple replacement for missing mktemp
2118     # NOT SAFE FOR GENERAL USE
2119     mktemp(){
2120         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2121     }
2122 fi
2123
2124 tmpfile(){
2125     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2126         (set -C; exec > $tmp) 2>/dev/null ||
2127         die "Unable to create temporary file in $TMPDIR."
2128     append TMPFILES $tmp
2129     eval $1=$tmp
2130 }
2131
2132 trap 'rm -f -- $TMPFILES' EXIT
2133
2134 tmpfile TMPASM .asm
2135 tmpfile TMPC   .c
2136 tmpfile TMPCPP .cpp
2137 tmpfile TMPE   $EXESUF
2138 tmpfile TMPH   .h
2139 tmpfile TMPO   .o
2140 tmpfile TMPS   .S
2141 tmpfile TMPSH  .sh
2142 tmpfile TMPV   .ver
2143
2144 unset -f mktemp
2145
2146 chmod +x $TMPE
2147
2148 # make sure we can execute files in $TMPDIR
2149 cat > $TMPSH 2>> $logfile <<EOF
2150 #! /bin/sh
2151 EOF
2152 chmod +x $TMPSH >> $logfile 2>&1
2153 if ! $TMPSH >> $logfile 2>&1; then
2154     cat <<EOF
2155 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2156 variable to another directory and make sure that it is not mounted noexec.
2157 EOF
2158     die "Sanity test failed."
2159 fi
2160
2161 filter_asflags=echo
2162 filter_cflags=echo
2163 filter_cppflags=echo
2164
2165 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2166     cc_type=llvm_gcc
2167     cc_version=__VERSION__
2168     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2169     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2170     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2171     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2172     speed_cflags='-O3'
2173     size_cflags='-Os'
2174 elif $cc -v 2>&1 | grep -qi ^gcc; then
2175     cc_type=gcc
2176     cc_version=__VERSION__
2177     gcc_version=$($cc --version | head -n1)
2178     gcc_basever=$($cc -dumpversion)
2179     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2180     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2181     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2182     if ! $cc -dumpversion | grep -q '^2\.'; then
2183         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2184         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2185     fi
2186     speed_cflags='-O3'
2187     size_cflags='-Os'
2188 elif $cc --version 2>/dev/null | grep -q Intel; then
2189     cc_type=icc
2190     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2191     cc_ident=$($cc --version | head -n1)
2192     icc_version=$($cc -dumpversion)
2193     CC_DEPFLAGS='-MMD'
2194     AS_DEPFLAGS='-MMD'
2195     speed_cflags='-O3'
2196     size_cflags='-Os'
2197     noopt_cflags='-O1'
2198 elif $cc -v 2>&1 | grep -q xlc; then
2199     cc_type=xlc
2200     cc_version="AV_STRINGIFY(__IBMC__)"
2201     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2202     speed_cflags='-O5'
2203     size_cflags='-O5 -qcompact'
2204 elif $cc -V 2>/dev/null | grep -q Compaq; then
2205     cc_type=ccc
2206     cc_version="AV_STRINGIFY(__DECC_VER)"
2207     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2208     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2209     debuglevel=3
2210     add_ldflags -Wl,-z,now # calls to libots crash without this
2211     speed_cflags='-fast'
2212     size_cflags='-O1'
2213 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2214     test -d "$sysroot" || die "No valid sysroot specified."
2215     cc_type=armcc
2216     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2217     cc_ident=$($cc --vsn | head -n1)
2218     armcc_conf="$PWD/armcc.conf"
2219     $cc --arm_linux_configure                 \
2220         --arm_linux_config_file="$armcc_conf" \
2221         --configure_sysroot="$sysroot"        \
2222         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2223         die "Error creating armcc configuration file."
2224     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2225     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2226     as_default="${cross_prefix}gcc"
2227     CC_DEPFLAGS='-MMD'
2228     AS_DEPFLAGS='-MMD'
2229     speed_cflags='-O3'
2230     size_cflags='-Os'
2231     filter_asflags="filter_out -W${armcc_opt}*"
2232 elif $cc -version 2>/dev/null | grep -q TMS470; then
2233     cc_type=tms470
2234     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2235     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2236     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2237     CC_O='-fr=$(@D)'
2238     as_default="${cross_prefix}gcc"
2239     ld_default="${cross_prefix}gcc"
2240     TMPO=$(basename $TMPC .c).o
2241     append TMPFILES $TMPO
2242     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2243     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2244     AS_DEPFLAGS='-MMD'
2245     speed_cflags='-O3 -mf=5'
2246     size_cflags='-O3 -mf=2'
2247     filter_cflags=tms470_flags
2248     tms470_flags(){
2249         for flag; do
2250             case $flag in
2251                 -march=*|-mcpu=*)
2252                     case "${flag#*=}" in
2253                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2254                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2255                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2256                         armv6*|arm11*)          echo -mv=6   ;;
2257                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2258                                                 echo -mv=5e  ;;
2259                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2260                     esac
2261                     ;;
2262                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2263                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2264                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2265                 -msoft-float)   echo --float_support=vfplib       ;;
2266                 -O[0-3]|-mf=*)  echo $flag                        ;;
2267                 -g)             echo -g -mn                       ;;
2268                 -pds=*)         echo $flag                        ;;
2269             esac
2270         done
2271     }
2272 elif $cc -v 2>&1 | grep -q clang; then
2273     cc_type=clang
2274     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2275         cc_version=__clang_version__ || cc_version=__VERSION__
2276     cc_ident=$($cc --version | head -n1)
2277     CC_DEPFLAGS='-MMD'
2278     AS_DEPFLAGS='-MMD'
2279     speed_cflags='-O3'
2280     size_cflags='-Os'
2281 elif $cc -V 2>&1 | grep -q Sun; then
2282     cc_type=suncc
2283     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2284     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2285     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2286     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2287     add_ldflags -xc99
2288     speed_cflags='-O5'
2289     size_cflags='-O5 -xspace'
2290     filter_cflags=suncc_flags
2291     suncc_flags(){
2292         for flag; do
2293             case $flag in
2294                 -march=*|-mcpu=*)
2295                     case "${flag#*=}" in
2296                         native)                   echo -xtarget=native       ;;
2297                         v9|niagara)               echo -xarch=sparc          ;;
2298                         ultrasparc)               echo -xarch=sparcvis       ;;
2299                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2300                         i586|pentium)             echo -xchip=pentium        ;;
2301                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2302                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2303                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2304                         pentium4*)          echo -xtarget=pentium4           ;;
2305                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2306                         *-sse3)             echo -xarch=sse3                 ;;
2307                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2308                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2309                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2310                         k8|opteron|athlon64|athlon-fx)
2311                                                   echo -xarch=sse2a          ;;
2312                         athlon*)                  echo -xarch=pentium_proa   ;;
2313                     esac
2314                     ;;
2315                 -std=c99)             echo -xc99              ;;
2316                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2317                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2318                 -W*,*)                echo $flag              ;;
2319                 -f*-*|-W*)                                    ;;
2320                 *)                    echo $flag              ;;
2321             esac
2322         done
2323     }
2324 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2325     cc_type=pathscale
2326     cc_version=__PATHSCALE__
2327     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2328     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2329     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2330     speed_cflags='-O2'
2331     size_cflags='-Os'
2332     filter_cflags='filter_out -Wdisabled-optimization'
2333 elif $cc -v 2>&1 | grep -q Open64; then
2334     cc_type=open64
2335     cc_version=__OPEN64__
2336     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2337     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2338     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2339     speed_cflags='-O2'
2340     size_cflags='-Os'
2341     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2342 elif $cc -V 2>&1 | grep -q Portland; then
2343     cc_type=pgi
2344     cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2345     cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2346     opt_common='-alias=ansi -Mlre -Mpre'
2347     speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2348     size_cflags="-O2 -Munroll=c:1 $opt_common"
2349     noopt_cflags="-O1"
2350     filter_cflags=pgi_flags
2351     pgi_flags(){
2352         for flag; do
2353             case $flag in
2354                 -fomit-frame-pointer) echo -Mnoframe ;;
2355                 -g)                   echo -gopt ;;
2356                 *)                    echo $flag ;;
2357             esac
2358         done
2359     }
2360 fi
2361
2362 test -n "$cc_type" && enable $cc_type ||
2363     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2364
2365 : ${as_default:=$cc}
2366 : ${dep_cc_default:=$cc}
2367 : ${ld_default:=$cc}
2368 set_default ar as dep_cc ld
2369
2370 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2371 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2372 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2373
2374 add_cflags $extra_cflags
2375 add_cxxflags $extra_cxxflags
2376 add_asflags $extra_cflags
2377
2378 if test -n "$sysroot"; then
2379     case "$cc_type" in
2380         gcc|llvm_gcc|clang)
2381             add_cppflags --sysroot="$sysroot"
2382             add_ldflags --sysroot="$sysroot"
2383         ;;
2384         tms470)
2385             add_cppflags -I"$sysinclude"
2386             add_ldflags  --sysroot="$sysroot"
2387         ;;
2388     esac
2389 fi
2390
2391 if test "$cpu" = host; then
2392     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2393
2394     case "$cc_type" in
2395         gcc|llvm_gcc)
2396             check_native(){
2397                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2398                 sed -n "/cc1.*$1=/{
2399                             s/.*$1=\\([^ ]*\\).*/\\1/
2400                             p
2401                             q
2402                         }" $TMPE
2403             }
2404             cpu=$(check_native -march || check_native -mcpu)
2405         ;;
2406     esac
2407
2408     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2409 fi
2410
2411 # Deal with common $arch aliases
2412 case "$arch" in
2413     arm*|iPad*)
2414         arch="arm"
2415     ;;
2416     mips|mipsel|IP*)
2417         arch="mips"
2418     ;;
2419     mips64*)
2420         arch="mips"
2421         subarch="mips64"
2422     ;;
2423     parisc|hppa)
2424         arch="parisc"
2425     ;;
2426     parisc64|hppa64)
2427         arch="parisc"
2428         subarch="parisc64"
2429     ;;
2430     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2431         arch="ppc"
2432     ;;
2433     s390|s390x)
2434         arch="s390"
2435     ;;
2436     sh4|sh)
2437         arch="sh4"
2438     ;;
2439     sun4u|sparc64)
2440         arch="sparc"
2441         subarch="sparc64"
2442     ;;
2443     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2444         arch="x86"
2445     ;;
2446 esac
2447
2448 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2449 enable $arch
2450
2451 # Add processor-specific flags
2452 if test "$cpu" = generic; then
2453     : do nothing
2454 elif enabled ppc; then
2455
2456     case $(tolower $cpu) in
2457         601|ppc601|powerpc601)
2458             cpuflags="-mcpu=601"
2459             disable altivec
2460         ;;
2461         603*|ppc603*|powerpc603*)
2462             cpuflags="-mcpu=603"
2463             disable altivec
2464         ;;
2465         604*|ppc604*|powerpc604*)
2466             cpuflags="-mcpu=604"
2467             disable altivec
2468         ;;
2469         g3|75*|ppc75*|powerpc75*)
2470             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2471             disable altivec
2472         ;;
2473         g4|745*|ppc745*|powerpc745*)
2474             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2475         ;;
2476         74*|ppc74*|powerpc74*)
2477             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2478         ;;
2479         g5|970|ppc970|powerpc970)
2480             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2481         ;;
2482         power[3-7]*)
2483             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2484         ;;
2485         cell)
2486             cpuflags="-mcpu=cell"
2487             enable ldbrx
2488         ;;
2489         e500v2)
2490             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2491             disable altivec
2492         ;;
2493         e500)
2494             cpuflags="-mcpu=8540 -mhard-float"
2495             disable altivec
2496         ;;
2497     esac
2498
2499 elif enabled x86; then
2500
2501     case $cpu in
2502         i[345]86|pentium)
2503             cpuflags="-march=$cpu"
2504             disable mmx
2505         ;;
2506         # targets that do NOT support conditional mov (cmov)
2507         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2508             cpuflags="-march=$cpu"
2509             disable cmov
2510         ;;
2511         # targets that do support conditional mov (cmov)
2512         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2513             cpuflags="-march=$cpu"
2514             enable cmov
2515             enable fast_cmov
2516         ;;
2517         # targets that do support conditional mov but on which it's slow
2518         pentium4|pentium4m|prescott|nocona)
2519             cpuflags="-march=$cpu"
2520             enable cmov
2521             disable fast_cmov
2522         ;;
2523     esac
2524
2525 elif enabled sparc; then
2526
2527     case $cpu in
2528         niagara)
2529             cpuflags="-mcpu=$cpu"
2530             disable vis
2531         ;;
2532         sparc64)
2533             cpuflags="-mcpu=v9"
2534         ;;
2535     esac
2536
2537 elif enabled arm; then
2538
2539     case $cpu in
2540         armv*)
2541             cpuflags="-march=$cpu"
2542             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2543         ;;
2544         *)
2545             cpuflags="-mcpu=$cpu"
2546             case $cpu in
2547                 cortex-a*)                               subarch=armv7a  ;;
2548                 cortex-r*)                               subarch=armv7r  ;;
2549                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2550                 arm11*)                                  subarch=armv6   ;;
2551                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2552                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2553             esac
2554         ;;
2555     esac
2556
2557 elif enabled alpha; then
2558
2559     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2560
2561 elif enabled bfin; then
2562
2563     cpuflags="-mcpu=$cpu"
2564
2565 elif enabled mips; then
2566
2567     cpuflags="-march=$cpu"
2568
2569 elif enabled avr32; then
2570
2571     case $cpu in
2572         ap7[02]0[0-2])
2573             subarch="avr32_ap"
2574             cpuflags="-mpart=$cpu"
2575         ;;
2576         ap)
2577             subarch="avr32_ap"
2578             cpuflags="-march=$cpu"
2579         ;;
2580         uc3[ab]*)
2581             subarch="avr32_uc"
2582             cpuflags="-mcpu=$cpu"
2583         ;;
2584         uc)
2585             subarch="avr32_uc"
2586             cpuflags="-march=$cpu"
2587         ;;
2588     esac
2589
2590 fi
2591
2592 add_cflags $cpuflags
2593 add_asflags $cpuflags
2594
2595 # compiler sanity check
2596 check_exec <<EOF
2597 int main(void){ return 0; }
2598 EOF
2599 if test "$?" != 0; then
2600     echo "$cc is unable to create an executable file."
2601     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2602         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2603         echo "Only do this if you know what cross compiling means."
2604     fi
2605     die "C compiler test failed."
2606 fi
2607
2608 add_cppflags -D_ISOC99_SOURCE
2609 add_cxxflags -D__STDC_CONSTANT_MACROS
2610 check_cflags -std=c99
2611 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2612 #include <stdlib.h>
2613 EOF
2614 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2615 #include <stdlib.h>
2616 EOF
2617
2618 check_host_cflags -std=c99
2619 check_host_cflags -Wall
2620
2621 case "$arch" in
2622     alpha|ia64|mips|parisc|sparc)
2623         spic=$shared
2624     ;;
2625     x86)
2626         subarch="x86_32"
2627         check_cc <<EOF && subarch="x86_64"
2628         int test[(int)sizeof(char*) - 7];
2629 EOF
2630         if test "$subarch" = "x86_64"; then
2631             spic=$shared
2632         fi
2633     ;;
2634     ppc)
2635         check_cc <<EOF && subarch="ppc64"
2636         int test[(int)sizeof(char*) - 7];
2637 EOF
2638     ;;
2639 esac
2640
2641 enable $subarch
2642 enabled spic && enable pic
2643
2644 # OS specific
2645 case $target_os in
2646     haiku)
2647         prefix_default="/boot/common"
2648         network_extralibs="-lnetwork"
2649         host_libs=
2650         ;;
2651     sunos)
2652         FFSERVERLDFLAGS=""
2653         SHFLAGS='-shared -Wl,-h,$$(@F)'
2654         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2655         network_extralibs="-lsocket -lnsl"
2656         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2657         # When using suncc to build, the Solaris linker will mark
2658         # an executable with each instruction set encountered by
2659         # the Solaris assembler.  As our libraries contain their own
2660         # guards for processor-specific code, instead suppress
2661         # generation of the HWCAPS ELF section on Solaris x86 only.
2662         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2663         nm_opts='-P -g'
2664         ;;
2665     netbsd)
2666         disable symver
2667         oss_indev_extralibs="-lossaudio"
2668         oss_outdev_extralibs="-lossaudio"
2669         ;;
2670     openbsd)
2671         # On OpenBSD 4.5. the compiler does not use PIC unless
2672         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2673         # however the generated executable will not do anything
2674         # (simply quits with exit-code 1, no crash, no output).
2675         # Thus explicitly enable PIC here.
2676         enable pic
2677         disable symver
2678         SHFLAGS='-shared'
2679         oss_indev_extralibs="-lossaudio"
2680         oss_outdev_extralibs="-lossaudio"
2681         ;;
2682     dragonfly)
2683         disable symver
2684         ;;
2685     freebsd)
2686         ;;
2687     bsd/os)
2688         add_extralibs -lpoll -lgnugetopt
2689         strip="strip -d"
2690         ;;
2691     darwin)
2692         gas="gas-preprocessor.pl $cc"
2693         enabled ppc && add_asflags -force_cpusubtype_ALL
2694         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2695         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2696         strip="${strip} -x"
2697         add_ldflags -Wl,-dynamic,-search_paths_first
2698         SLIBSUF=".dylib"
2699         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2700         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2701         FFSERVERLDFLAGS=-Wl,-bind_at_load
2702         objformat="macho"
2703         enabled x86_64 && objformat="macho64"
2704         enabled_any pic shared ||
2705             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2706         ;;
2707     mingw32*)
2708         if test $target_os = "mingw32ce"; then
2709             disable network
2710         else
2711             target_os=mingw32
2712         fi
2713         LIBTARGET=i386
2714         if enabled x86_64; then
2715             LIBTARGET=x64
2716         elif enabled arm; then
2717             LIBTARGET=arm-wince
2718         fi
2719         shlibdir_default="$bindir_default"
2720         SLIBPREF=""
2721         SLIBSUF=".dll"
2722         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2723         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2724         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2725         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2726         SLIB_INSTALL_LINKS=
2727         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2728         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2729         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'
2730         objformat="win32"
2731         enable dos_paths
2732         check_cflags -fno-common
2733         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2734                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2735                 die "ERROR: MinGW runtime version must be >= 3.15."
2736         add_cppflags -U__STRICT_ANSI__
2737         ;;
2738     cygwin*)
2739         target_os=cygwin
2740         shlibdir_default="$bindir_default"
2741         SLIBPREF="cyg"
2742         SLIBSUF=".dll"
2743         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2744         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2745         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2746         objformat="win32"
2747         enable dos_paths
2748         check_cflags -fno-common
2749         add_cppflags -U__STRICT_ANSI__
2750         ;;
2751     *-dos|freedos|opendos)
2752         network_extralibs="-lsocket"
2753         objformat="coff"
2754         enable dos_paths
2755         add_cppflags -U__STRICT_ANSI__
2756         ;;
2757     linux)
2758         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2759         enable dv1394
2760         ;;
2761     irix*)
2762         target_os=irix
2763         ranlib="echo ignoring ranlib"
2764         ;;
2765     os/2*)
2766         strip="lxlite -CS"
2767         ln_s="cp -f"
2768         objformat="aout"
2769         add_cppflags -D_GNU_SOURCE
2770         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2771         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2772         FFSERVERLDFLAGS=""
2773         LIBSUF="_s.a"
2774         SLIBPREF=""
2775         SLIBSUF=".dll"
2776         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2777         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2778         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2779           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2780           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2781           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2782           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2783           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2784         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2785           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2786         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2787         enable dos_paths
2788         enable_weak os2threads
2789         ;;
2790     gnu/kfreebsd)
2791         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2792         ;;
2793     gnu)
2794         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2795         ;;
2796     qnx)
2797         add_cppflags -D_QNX_SOURCE
2798         network_extralibs="-lsocket"
2799         ;;
2800     symbian)
2801         SLIBSUF=".dll"
2802         enable dos_paths
2803         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2804         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2805         add_ldflags -Wl,--target1-abs,--no-undefined \
2806                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2807                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2808         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2809                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2810                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2811         ;;
2812     none)
2813         ;;
2814     *)
2815         die "Unknown OS '$target_os'."
2816         ;;
2817 esac
2818
2819 esc(){
2820     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2821 }
2822
2823 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
2824
2825 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2826
2827 set_default $PATHS_LIST
2828
2829 # we need to build at least one lib type
2830 if ! enabled_any static shared; then
2831     cat <<EOF
2832 At least one library type must be built.
2833 Specify --enable-static to build the static libraries or --enable-shared to
2834 build the shared libraries as well. To only build the shared libraries specify
2835 --disable-static in addition to --enable-shared.
2836 EOF
2837     exit 1;
2838 fi
2839
2840 die_license_disabled() {
2841     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2842 }
2843
2844 die_license_disabled_gpl() {
2845     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
2846 }
2847
2848 die_license_disabled gpl libcdio
2849 die_license_disabled gpl libutvideo
2850 die_license_disabled gpl libx264
2851 die_license_disabled gpl libxavs
2852 die_license_disabled gpl libxvid
2853 die_license_disabled gpl x11grab
2854
2855 die_license_disabled nonfree libaacplus
2856 die_license_disabled nonfree libfaac
2857 enabled gpl && die_license_disabled_gpl nonfree openssl
2858
2859 die_license_disabled version3 libopencore_amrnb
2860 die_license_disabled version3 libopencore_amrwb
2861 die_license_disabled version3 libvo_aacenc
2862 die_license_disabled version3 libvo_amrwbenc
2863
2864 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2865
2866 disabled optimizations || check_cflags -fomit-frame-pointer
2867
2868 enable_pic() {
2869     enable pic
2870     add_cppflags -DPIC
2871     add_cflags   -fPIC
2872     add_asflags  -fPIC
2873 }
2874
2875 enabled pic && enable_pic
2876
2877 check_cc <<EOF || die "Symbol mangling check failed."
2878 int ff_extern;
2879 EOF
2880 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2881 extern_prefix=${sym%%ff_extern*}
2882
2883 check_cc <<EOF && enable inline_asm
2884 void foo(void) { __asm__ volatile ("" ::); }
2885 EOF
2886
2887 _restrict=
2888 for restrict_keyword in restrict __restrict__ __restrict; do
2889     check_cc <<EOF && _restrict=$restrict_keyword && break
2890 void foo(char * $restrict_keyword p);
2891 EOF
2892 done
2893
2894 check_cc <<EOF && enable attribute_packed
2895 struct { int x; } __attribute__((packed)) x;
2896 EOF
2897
2898 check_cc <<EOF && enable attribute_may_alias
2899 union { int x; } __attribute__((may_alias)) x;
2900 EOF
2901
2902 check_cc <<EOF || die "endian test failed"
2903 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2904 EOF
2905 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2906
2907 if enabled alpha; then
2908
2909     check_cflags -mieee
2910
2911 elif enabled arm; then
2912
2913     enabled thumb && check_cflags -mthumb || check_cflags -marm
2914     nogas=die
2915
2916     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2917         enable vfp_args
2918     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2919         case "${cross_prefix:-$cc}" in
2920             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2921             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2922 __asm__ (".eabi_attribute 28, 1");
2923 int main(void) { return 0; }
2924 EOF
2925         esac
2926         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2927     fi
2928
2929     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2930     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2931     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2932     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2933     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2934     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2935
2936     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2937
2938     enabled_all armv6t2 shared !pic && enable_pic
2939
2940 elif enabled mips; then
2941
2942     check_asm loongson '"dmult.g $1, $2, $3"'
2943     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2944
2945 elif enabled ppc; then
2946
2947     enable local_aligned_8 local_aligned_16
2948
2949     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2950     check_asm ibm_asm   '"add 0, 0, 0"'
2951     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2952     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2953
2954     # AltiVec flags: The FSF version of GCC differs from the Apple version
2955     if enabled altivec; then
2956         nogas=warn
2957         check_cflags -maltivec -mabi=altivec &&
2958         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2959         check_cflags -faltivec
2960
2961         # check if our compiler supports Motorola AltiVec C API
2962         check_cc <<EOF || disable altivec
2963 $inc_altivec_h
2964 int main(void) {
2965     vector signed int v1, v2, v3;
2966     v1 = vec_add(v2,v3);
2967     return 0;
2968 }
2969 EOF
2970
2971         # check if our compiler supports braces for vector declarations
2972         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2973 $inc_altivec_h
2974 int main (void) { (vector int) {1}; return 0; }
2975 EOF
2976     fi
2977
2978 elif enabled sparc; then
2979
2980     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2981         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2982
2983 elif enabled x86; then
2984
2985     enable local_aligned_8 local_aligned_16
2986
2987     # check whether EBP is available on x86
2988     # As 'i' is stored on the stack, this program will crash
2989     # if the base pointer is used to access it because the
2990     # base pointer is cleared in the inline assembly code.
2991     check_exec_crash <<EOF && enable ebp_available
2992     volatile int i=0;
2993     __asm__ volatile (
2994         "xorl %%ebp, %%ebp"
2995     ::: "%ebp");
2996     return i;
2997 EOF
2998
2999     # check whether EBX is available on x86
3000     check_asm ebx_available '""::"b"(0)' &&
3001         check_asm ebx_available '"":::"%ebx"'
3002
3003     # check whether xmm clobbers are supported
3004     check_asm xmm_clobbers '"":::"%xmm0"'
3005
3006     # check whether binutils is new enough to compile SSSE3/MMX2
3007     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
3008     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
3009
3010     if ! disabled_any asm mmx yasm; then
3011         if check_cmd $yasmexe --version; then
3012             enabled x86_64 && yasm_extra="-m amd64"
3013             yasm_debug="-g dwarf2"
3014         elif check_cmd nasm -v; then
3015             yasmexe=nasm
3016             yasm_debug="-g -F dwarf"
3017             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3018         fi
3019
3020         YASMFLAGS="-f $objformat $yasm_extra"
3021         enabled pic               && append YASMFLAGS "-DPIC"
3022         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3023         case "$objformat" in
3024             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3025         esac
3026
3027         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3028             die "yasm not found, use --disable-yasm for a crippled build"
3029         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3030     fi
3031
3032     case "$cpu" in
3033         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3034             disable fast_clz
3035         ;;
3036     esac
3037
3038 fi
3039
3040 if enabled asm; then
3041     as=${gas:=$as}
3042     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3043         $nogas "GNU assembler not found, install gas-preprocessor"
3044 fi
3045
3046 check_ldflags -Wl,--as-needed
3047
3048 if check_func dlopen; then
3049     ldl=
3050 elif check_func dlopen -ldl; then
3051     ldl=-ldl
3052 fi
3053
3054 if enabled network; then
3055     check_type "sys/types.h sys/socket.h" socklen_t
3056     check_type netdb.h "struct addrinfo"
3057     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3058     check_type netinet/in.h "struct sockaddr_in6"
3059     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3060     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3061     check_header netinet/sctp.h
3062     # Prefer arpa/inet.h over winsock2
3063     if check_header arpa/inet.h ; then
3064         check_func closesocket
3065     elif check_header winsock2.h ; then
3066         check_func_headers winsock2.h closesocket -lws2 && \
3067             network_extralibs="-lws2" || \
3068         { check_func_headers winsock2.h closesocket -lws2_32 && \
3069             network_extralibs="-lws2_32"; }
3070         check_type ws2tcpip.h socklen_t
3071         check_type ws2tcpip.h "struct addrinfo"
3072         check_type ws2tcpip.h "struct ipv6_mreq"
3073         check_type ws2tcpip.h "struct sockaddr_in6"
3074         check_type ws2tcpip.h "struct sockaddr_storage"
3075         check_struct winsock2.h "struct sockaddr" sa_len
3076     else
3077         disable network
3078     fi
3079 fi
3080
3081 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3082 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3083
3084 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3085 check_func  fcntl
3086 check_func  fork
3087 check_func  getaddrinfo $network_extralibs
3088 check_func  gethrtime
3089 check_func  getrusage
3090 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3091 check_func  inet_aton $network_extralibs
3092 check_func  isatty
3093 check_func  localtime_r
3094 check_func  ${malloc_prefix}memalign            && enable memalign
3095 check_func  mkstemp
3096 check_func  mmap
3097 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3098 check_func  setrlimit
3099 check_func  strerror_r
3100 check_func  strptime
3101 check_func  sched_getaffinity
3102 check_func  sysconf
3103 check_func  sysctl
3104 check_func_headers conio.h kbhit
3105 check_func_headers windows.h PeekNamedPipe
3106 check_func_headers io.h setmode
3107 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3108 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3109 check_func_headers windows.h GetProcessAffinityMask
3110 check_func_headers windows.h GetProcessTimes
3111 check_func_headers windows.h MapViewOfFile
3112 check_func_headers windows.h VirtualAlloc
3113 check_func_headers glob.h glob
3114
3115 check_header dlfcn.h
3116 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3117 check_header libcrystalhd/libcrystalhd_if.h
3118 check_header malloc.h
3119 check_header poll.h
3120 check_header sys/mman.h
3121 check_header sys/param.h
3122 check_header sys/resource.h
3123 check_header sys/select.h
3124 check_header termios.h
3125 check_header vdpau/vdpau.h
3126 check_header vdpau/vdpau_x11.h
3127 check_header X11/extensions/XvMClib.h
3128 check_header asm/types.h
3129
3130 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3131 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3132
3133 # check for VDA header
3134 if ! disabled vda; then
3135     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3136         enable vda
3137         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3138     fi
3139 fi
3140
3141 if ! disabled w32threads && ! enabled pthreads; then
3142     check_func _beginthreadex && enable w32threads
3143 fi
3144
3145 # check for some common methods of building with pthread support
3146 # do this before the optional library checks as some of them require pthreads
3147 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3148     enable pthreads
3149     if check_func pthread_create; then
3150         :
3151     elif check_func pthread_create -pthread; then
3152         add_cflags -pthread
3153         add_extralibs -pthread
3154     elif check_func pthread_create -pthreads; then
3155         add_cflags -pthreads
3156         add_extralibs -pthreads
3157     elif check_func pthread_create -lpthreadGC2; then
3158         add_extralibs -lpthreadGC2
3159     elif ! check_lib pthread.h pthread_create -lpthread; then
3160         disable pthreads
3161     fi
3162 fi
3163
3164 for thread in $THREADS_LIST; do
3165     if enabled $thread; then
3166         test -n "$thread_type" &&
3167             die "ERROR: Only one thread type must be selected." ||
3168             thread_type="$thread"
3169     fi
3170 done
3171
3172 if enabled pthreads; then
3173   check_func pthread_cancel
3174 fi
3175
3176 check_lib math.h sin -lm && LIBM="-lm"
3177 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3178 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3179
3180 check_mathfunc cbrtf
3181 check_mathfunc exp2
3182 check_mathfunc exp2f
3183 check_mathfunc llrint
3184 check_mathfunc llrintf
3185 check_mathfunc log2
3186 check_mathfunc log2f
3187 check_mathfunc lrint
3188 check_mathfunc lrintf
3189 check_mathfunc round
3190 check_mathfunc roundf
3191 check_mathfunc trunc
3192 check_mathfunc truncf
3193
3194 # these are off by default, so fail if requested and not available
3195 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3196 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3197 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3198 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3199 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3200 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3201 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3202 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3203                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3204                         die "ERROR: libcelt version must be >= 0.11.0."; }
3205 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3206 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3207 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3208 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3209 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3210 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3211 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3212 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3213 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3214 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3215 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3216 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3217 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3218 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3219 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3220     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3221     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3222 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3223 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3224 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3225 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3226 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3227 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3228 enabled libvpx     && {
3229     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3230                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3231     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3232                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3233 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3234                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3235                         die "ERROR: libx264 version must be >= 0.118."; }
3236 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3237 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3238 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3239                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3240                         die "ERROR: openal not found"; } &&
3241                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3242                         die "ERROR: openal version must be 1.1 or compatible"; }
3243 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3244                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3245                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3246                         die "ERROR: openssl not found"; }
3247
3248 # libdc1394 check
3249 if enabled libdc1394; then
3250     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3251         enable libdc1394_2; } ||
3252     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3253         enable libdc1394_1; } ||
3254     die "ERROR: No version of libdc1394 found "
3255 fi
3256
3257 SDL_CONFIG="${cross_prefix}sdl-config"
3258 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3259     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3260     enable sdl &&
3261     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3262 else
3263   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3264     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3265     sdl_libs=$("${SDL_CONFIG}" --libs)
3266     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3267     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3268     enable sdl &&
3269     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3270   fi
3271 fi
3272 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3273
3274 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3275 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3276
3277 check_header linux/fb.h
3278 check_header linux/videodev.h
3279 check_header linux/videodev2.h
3280 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3281
3282 check_header sys/videoio.h
3283
3284 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3285 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3286 # w32api 3.12 had it defined wrong
3287 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3288
3289 check_type "dshow.h" IBaseFilter
3290
3291 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3292 { check_header dev/bktr/ioctl_meteor.h &&
3293   check_header dev/bktr/ioctl_bt848.h; } ||
3294 { check_header machine/ioctl_meteor.h &&
3295   check_header machine/ioctl_bt848.h; } ||
3296 { check_header dev/video/meteor/ioctl_meteor.h &&
3297   check_header dev/video/bktr/ioctl_bt848.h; } ||
3298 check_header dev/ic/bt8xx.h
3299
3300 check_header sndio.h
3301 if check_struct sys/soundcard.h audio_buf_info bytes; then
3302     enable_safe sys/soundcard.h
3303 else
3304     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3305     #include <sys/soundcard.h>
3306     audio_buf_info abc;
3307 EOF
3308 fi
3309 check_header soundcard.h
3310
3311 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3312
3313 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3314
3315 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3316
3317 enabled libcdio &&
3318     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3319
3320 enabled x11grab                                           &&
3321 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3322 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3323 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3324
3325 if ! disabled vaapi; then
3326     check_lib va/va.h vaInitialize -lva && {
3327         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3328         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3329     } || disable vaapi
3330 fi
3331
3332 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3333 check_cpp_condition \
3334     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3335     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3336       disable vdpau; }
3337 fi
3338
3339 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3340 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3341 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"
3342
3343 # add some useful compiler flags if supported
3344 check_cflags -Wdeclaration-after-statement
3345 check_cflags -Wall
3346 check_cflags -Wno-parentheses
3347 check_cflags -Wno-switch
3348 check_cflags -Wno-format-zero-length
3349 check_cflags -Wdisabled-optimization
3350 check_cflags -Wpointer-arith
3351 check_cflags -Wredundant-decls
3352 check_cflags -Wno-pointer-sign
3353 check_cflags -Wwrite-strings
3354 check_cflags -Wtype-limits
3355 check_cflags -Wundef
3356 check_cflags -Wmissing-prototypes
3357 check_cflags -Wno-pointer-to-int-cast
3358 check_cflags -Wstrict-prototypes
3359 enabled extra_warnings && check_cflags -Winline
3360
3361 # add some linker flags
3362 check_ldflags -Wl,--warn-common
3363 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3364 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3365
3366 enabled xmm_clobber_test &&                             \
3367     check_ldflags -Wl,--wrap,avcodec_open2              \
3368                   -Wl,--wrap,avcodec_decode_audio4      \
3369                   -Wl,--wrap,avcodec_decode_video2      \
3370                   -Wl,--wrap,avcodec_decode_subtitle2   \
3371                   -Wl,--wrap,avcodec_encode_audio2      \
3372                   -Wl,--wrap,avcodec_encode_video       \
3373                   -Wl,--wrap,avcodec_encode_subtitle    \
3374                   -Wl,--wrap,sws_scale ||               \
3375     disable xmm_clobber_test
3376
3377 echo "X{};" > $TMPV
3378 if test_ldflags -Wl,--version-script,$TMPV; then
3379     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3380     check_cc <<EOF && enable symver_asm_label
3381 void ff_foo(void) __asm__ ("av_foo@VERSION");
3382 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3383 EOF
3384     check_cc <<EOF && enable symver_gnu_asm
3385 __asm__(".symver ff_foo,av_foo@VERSION");
3386 void ff_foo(void) {}
3387 EOF
3388 fi
3389
3390 if [ -n "$optflags" ]; then
3391     add_cflags $optflags
3392 elif enabled small; then
3393     add_cflags $size_cflags
3394 elif enabled optimizations; then
3395     add_cflags $speed_cflags
3396 else
3397     add_cflags $noopt_cflags
3398 fi
3399 check_cflags -fno-math-errno
3400 check_cflags -fno-signed-zeros
3401 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3402 int x;
3403 EOF
3404
3405
3406 if enabled icc; then
3407     # Just warnings, no remarks
3408     check_cflags -w1
3409     # -wd: Disable following warnings
3410     # 144, 167, 556: -Wno-pointer-sign
3411     # 1292: attribute "foo" ignored
3412     # 1419: external declaration in primary source file
3413     # 10006: ignoring unknown option -fno-signed-zeros
3414     # 10148: ignoring unknown option -Wno-parentheses
3415     # 10156: ignoring option '-W'; no argument required
3416     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3417     # 11030: Warning unknown option --as-needed
3418     # 10156: ignoring option '-export'; no argument required
3419     check_ldflags -wd10156,11030
3420     # Allow to compile with optimizations
3421     check_ldflags -march=$cpu
3422     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3423     enable ebp_available
3424     if enabled x86_32; then
3425         test ${icc_version%%.*} -ge 11 && \
3426             check_cflags -falign-stack=maintain-16-byte || \
3427             disable aligned_stack
3428     fi
3429 elif enabled ccc; then
3430     # disable some annoying warnings
3431     add_cflags -msg_disable cvtu32to64
3432     add_cflags -msg_disable embedcomment
3433     add_cflags -msg_disable needconstext
3434     add_cflags -msg_disable nomainieee
3435     add_cflags -msg_disable ptrmismatch1
3436     add_cflags -msg_disable unreachcode
3437 elif enabled gcc; then
3438     check_cflags -fno-tree-vectorize
3439     check_cflags -Werror=implicit-function-declaration
3440     check_cflags -Werror=missing-prototypes
3441 elif enabled llvm_gcc; then
3442     check_cflags -mllvm -stack-alignment=16
3443 elif enabled clang; then
3444     check_cflags -mllvm -stack-alignment=16
3445     check_cflags -Qunused-arguments
3446 elif enabled armcc; then
3447     # 2523: use of inline assembler is deprecated
3448     add_cflags -W${armcc_opt},--diag_suppress=2523
3449     add_cflags -W${armcc_opt},--diag_suppress=1207
3450     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3451     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3452     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3453     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3454 elif enabled tms470; then
3455     add_cflags -pds=824 -pds=837
3456 elif enabled pathscale; then
3457     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3458 fi
3459
3460 enabled_any $THREADS_LIST      && enable threads
3461
3462 check_deps $CONFIG_LIST       \
3463            $CONFIG_EXTRA      \
3464            $HAVE_LIST         \
3465            $ALL_COMPONENTS    \
3466            $ALL_TESTS         \
3467
3468 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3469
3470 if test $target_os = "haiku"; then
3471     disable memalign
3472     disable posix_memalign
3473 fi
3474
3475 ! enabled_any memalign posix_memalign &&
3476     enabled_any $need_memalign && enable memalign_hack
3477
3478 # add_dep lib dep
3479 # -> enable ${lib}_deps_${dep}
3480 # -> add $dep to ${lib}_deps only once
3481 add_dep() {
3482     lib=$1
3483     dep=$2
3484     enabled "${lib}_deps_${dep}" && return 0
3485     enable  "${lib}_deps_${dep}"
3486     prepend "${lib}_deps" $dep
3487 }
3488
3489 # merge deps lib components
3490 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3491 merge_deps() {
3492     lib=$1
3493     shift
3494     for comp in $*; do
3495         enabled $comp || continue
3496         eval "dep=\"\$${comp}_deps\""
3497         for d in $dep; do
3498             add_dep $lib $d
3499         done
3500     done
3501 }
3502
3503 merge_deps libavfilter $FILTER_LIST
3504
3505 echo "install prefix            $prefix"
3506 echo "source path               $source_path"
3507 echo "C compiler                $cc"
3508 echo "ARCH                      $arch ($cpu)"
3509 if test "$build_suffix" != ""; then
3510     echo "build suffix              $build_suffix"
3511 fi
3512 if test "$progs_suffix" != ""; then
3513     echo "progs suffix              $progs_suffix"
3514 fi
3515 if test "$extra_version" != ""; then
3516     echo "version string suffix     $extra_version"
3517 fi
3518 echo "big-endian                ${bigendian-no}"
3519 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3520 if enabled x86; then
3521     echo "${yasmexe}                      ${yasm-no}"
3522     echo "MMX enabled               ${mmx-no}"
3523     echo "MMX2 enabled              ${mmx2-no}"
3524     echo "3DNow! enabled            ${amd3dnow-no}"
3525     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3526     echo "SSE enabled               ${sse-no}"
3527     echo "SSSE3 enabled             ${ssse3-no}"
3528     echo "AVX enabled               ${avx-no}"
3529     echo "CMOV enabled              ${cmov-no}"
3530     echo "CMOV is fast              ${fast_cmov-no}"
3531     echo "EBX available             ${ebx_available-no}"
3532     echo "EBP available             ${ebp_available-no}"
3533 fi
3534 if enabled arm; then
3535     echo "ARMv5TE enabled           ${armv5te-no}"
3536     echo "ARMv6 enabled             ${armv6-no}"
3537     echo "ARMv6T2 enabled           ${armv6t2-no}"
3538     echo "ARM VFP enabled           ${armvfp-no}"
3539     echo "NEON enabled              ${neon-no}"
3540 fi
3541 if enabled mips; then
3542     echo "MMI enabled               ${mmi-no}"
3543 fi
3544 if enabled ppc; then
3545     echo "AltiVec enabled           ${altivec-no}"
3546     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3547     echo "dcbzl available           ${dcbzl-no}"
3548 fi
3549 if enabled sparc; then
3550     echo "VIS enabled               ${vis-no}"
3551 fi
3552 echo "debug symbols             ${debug-no}"
3553 echo "strip symbols             ${stripping-no}"
3554 echo "optimize for size         ${small-no}"
3555 echo "optimizations             ${optimizations-no}"
3556 echo "static                    ${static-no}"
3557 echo "shared                    ${shared-no}"
3558 echo "postprocessing support    ${postproc-no}"
3559 echo "new filter support        ${avfilter-no}"
3560 echo "network support           ${network-no}"
3561 echo "threading support         ${thread_type-no}"
3562 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3563 echo "SDL support               ${sdl-no}"
3564 echo "libdxva2 enabled          ${dxva2-no}"
3565 echo "libva enabled             ${vaapi-no}"
3566 echo "libvdpau enabled          ${vdpau-no}"
3567 echo "AVISynth enabled          ${avisynth-no}"
3568 echo "frei0r enabled            ${frei0r-no}"
3569 echo "gnutls enabled            ${gnutls-no}"
3570 echo "libaacplus enabled        ${libaacplus-no}"
3571 echo "libass enabled            ${libass-no}"
3572 echo "libcdio support           ${libcdio-no}"
3573 echo "libcelt enabled           ${libcelt-no}"
3574 echo "libdc1394 support         ${libdc1394-no}"
3575 echo "libfaac enabled           ${libfaac-no}"
3576 echo "libgsm enabled            ${libgsm-no}"
3577 echo "libmodplug enabled        ${libmodplug-no}"
3578 echo "libmp3lame enabled        ${libmp3lame-no}"
3579 echo "libnut enabled            ${libnut-no}"
3580 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3581 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3582 echo "libopencv support         ${libopencv-no}"
3583 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3584 echo "libpulse enabled          ${libpulse-no}"
3585 echo "librtmp enabled           ${librtmp-no}"
3586 echo "libschroedinger enabled   ${libschroedinger-no}"
3587 echo "libspeex enabled          ${libspeex-no}"
3588 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3589 echo "libtheora enabled         ${libtheora-no}"
3590 echo "libutvideo enabled        ${libutvideo-no}"
3591 echo "libv4l2 enabled           ${libv4l2-no}"
3592 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3593 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3594 echo "libvorbis enabled         ${libvorbis-no}"
3595 echo "libvpx enabled            ${libvpx-no}"
3596 echo "libx264 enabled           ${libx264-no}"
3597 echo "libxavs enabled           ${libxavs-no}"
3598 echo "libxvid enabled           ${libxvid-no}"
3599 echo "openal enabled            ${openal-no}"
3600 echo "openssl enabled           ${openssl-no}"
3601 echo "zlib enabled              ${zlib-no}"
3602 echo "bzlib enabled             ${bzlib-no}"
3603 test -n "$random_seed" &&
3604     echo "random seed               ${random_seed}"
3605 echo
3606
3607 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3608     echo "Enabled ${type}s:"
3609     eval list=\$$(toupper $type)_LIST
3610     print_enabled '_*' $list | sort | pr -r -3 -t
3611     echo
3612 done
3613
3614 license="LGPL version 2.1 or later"
3615 if enabled nonfree; then
3616     license="nonfree and unredistributable"
3617 elif enabled gplv3; then
3618     license="GPL version 3 or later"
3619 elif enabled lgplv3; then
3620     license="LGPL version 3 or later"
3621 elif enabled gpl; then
3622     license="GPL version 2 or later"
3623 fi
3624
3625 echo "License: $license"
3626
3627 echo "Creating config.mak and config.h..."
3628
3629 test -e Makefile || $ln_s "$source_path/Makefile" .
3630
3631 enabled stripping || strip="echo skipping strip"
3632
3633 config_files="$TMPH config.mak"
3634
3635 cat > config.mak <<EOF
3636 # Automatically generated by configure - do not modify!
3637 ifndef FFMPEG_CONFIG_MAK
3638 FFMPEG_CONFIG_MAK=1
3639 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3640 prefix=$prefix
3641 LIBDIR=\$(DESTDIR)$libdir
3642 SHLIBDIR=\$(DESTDIR)$shlibdir
3643 INCDIR=\$(DESTDIR)$incdir
3644 BINDIR=\$(DESTDIR)$bindir
3645 DATADIR=\$(DESTDIR)$datadir
3646 MANDIR=\$(DESTDIR)$mandir
3647 SRC_PATH=$source_path
3648 ifndef MAIN_MAKEFILE
3649 SRC_PATH:=\$(SRC_PATH:.%=..%)
3650 endif
3651 CC_IDENT=$cc_ident
3652 ARCH=$arch
3653 CC=$cc
3654 CXX=$cxx
3655 AS=$as
3656 LD=$ld
3657 DEPCC=$dep_cc
3658 YASM=$yasmexe
3659 YASMDEP=$yasmexe
3660 AR=$ar
3661 RANLIB=$ranlib
3662 CP=cp -p
3663 LN_S=$ln_s
3664 STRIP=$strip
3665 CPPFLAGS=$CPPFLAGS
3666 CFLAGS=$CFLAGS
3667 CXXFLAGS=$CXXFLAGS
3668 ASFLAGS=$ASFLAGS
3669 AS_O=$CC_O
3670 CC_O=$CC_O
3671 CXX_O=$CXX_O
3672 LDFLAGS=$LDFLAGS
3673 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3674 SHFLAGS=$SHFLAGS
3675 YASMFLAGS=$YASMFLAGS
3676 BUILDSUF=$build_suffix
3677 PROGSSUF=$progs_suffix
3678 FULLNAME=$FULLNAME
3679 LIBPREF=$LIBPREF
3680 LIBSUF=$LIBSUF
3681 LIBNAME=$LIBNAME
3682 SLIBPREF=$SLIBPREF
3683 SLIBSUF=$SLIBSUF
3684 EXESUF=$EXESUF
3685 EXTRA_VERSION=$extra_version
3686 DEPFLAGS=$DEPFLAGS
3687 CCDEP=$CCDEP
3688 CXXDEP=$CXXDEP
3689 ASDEP=$ASDEP
3690 CC_DEPFLAGS=$CC_DEPFLAGS
3691 AS_DEPFLAGS=$AS_DEPFLAGS
3692 HOSTCC=$host_cc
3693 HOSTCFLAGS=$host_cflags
3694 HOSTEXESUF=$HOSTEXESUF
3695 HOSTLDFLAGS=$host_ldflags
3696 HOSTLIBS=$host_libs
3697 TARGET_EXEC=$target_exec
3698 TARGET_PATH=$target_path
3699 SDL_LIBS=$sdl_libs
3700 SDL_CFLAGS=$sdl_cflags
3701 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3702 EXTRALIBS=$extralibs
3703 INSTALL=$install
3704 LIBTARGET=${LIBTARGET}
3705 SLIBNAME=${SLIBNAME}
3706 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3707 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3708 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3709 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3710 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3711 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3712 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3713 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3714 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3715 NOREDZONE_FLAGS=$noredzone_flags
3716 EOF
3717
3718 get_version(){
3719     name=$1
3720     file=$source_path/$2
3721 # This condition will be removed when we stop supporting old libpostproc versions
3722 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3723     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3724     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3725 fi
3726     lcname=$(tolower $name)
3727     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3728     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3729 }
3730
3731 get_version LIBAVCODEC  libavcodec/version.h
3732 get_version LIBAVDEVICE libavdevice/avdevice.h
3733 get_version LIBAVFILTER libavfilter/version.h
3734 get_version LIBAVFORMAT libavformat/version.h
3735 get_version LIBAVRESAMPLE libavresample/version.h
3736 get_version LIBAVUTIL   libavutil/avutil.h
3737 get_version LIBPOSTPROC libpostproc/postprocess.h
3738 get_version LIBSWRESAMPLE libswresample/swresample.h
3739 get_version LIBSWSCALE  libswscale/swscale.h
3740
3741 cat > $TMPH <<EOF
3742 /* Automatically generated by configure - do not modify! */
3743 #ifndef FFMPEG_CONFIG_H
3744 #define FFMPEG_CONFIG_H
3745 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3746 #define FFMPEG_LICENSE "$(c_escape $license)"
3747 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3748 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3749 #define CC_TYPE "$cc_type"
3750 #define CC_VERSION $cc_version
3751 #define restrict $_restrict
3752 #define EXTERN_PREFIX "${extern_prefix}"
3753 #define EXTERN_ASM ${extern_prefix}
3754 #define SLIBSUF "$SLIBSUF"
3755 EOF
3756
3757 test -n "$assert_level" &&
3758     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
3759
3760 test -n "$malloc_prefix" &&
3761     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3762
3763 if enabled small || disabled optimizations; then
3764     echo "#undef  av_always_inline"  >> $TMPH
3765     if enabled small; then
3766         echo "#define av_always_inline inline"  >> $TMPH
3767     else
3768         echo "#define av_always_inline av_unused"  >> $TMPH
3769     fi
3770 fi
3771
3772 if enabled yasm; then
3773     append config_files $TMPASM
3774     printf '' >$TMPASM
3775 fi
3776
3777 print_config ARCH_   "$config_files" $ARCH_LIST
3778 print_config HAVE_   "$config_files" $HAVE_LIST
3779 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3780                                      $CONFIG_EXTRA      \
3781                                      $ALL_COMPONENTS    \
3782
3783 cat >>config.mak <<EOF
3784 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3785 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3786 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3787 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3788 EOF
3789
3790 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3791 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3792
3793 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3794 cp_if_changed $TMPH config.h
3795 touch .config
3796
3797 enabled yasm && cp_if_changed $TMPASM config.asm
3798
3799 cat > $TMPH <<EOF
3800 /* Generated by ffconf */
3801 #ifndef AVUTIL_AVCONFIG_H
3802 #define AVUTIL_AVCONFIG_H
3803 EOF
3804
3805 test "$postproc_version" != current && cat >> $TMPH <<EOF
3806 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3807 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3808 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3809 EOF
3810
3811 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3812
3813 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3814
3815 cp_if_changed $TMPH libavutil/avconfig.h
3816
3817 test -n "$WARNINGS" && printf "\n$WARNINGS"
3818
3819 # build pkg-config files
3820
3821 pkgconfig_generate(){
3822 name=$1
3823 shortname=${name#lib}${build_suffix}
3824 comment=$2
3825 version=$3
3826 libs=$4
3827 requires=$5
3828 enabled ${name#lib} || return 0
3829 mkdir -p $name
3830 cat <<EOF > $name/$name.pc
3831 prefix=$prefix
3832 exec_prefix=\${prefix}
3833 libdir=$libdir
3834 includedir=$incdir
3835
3836 Name: $name
3837 Description: $comment
3838 Version: $version
3839 Requires: $(enabled shared || echo $requires)
3840 Requires.private: $(enabled shared && echo $requires)
3841 Conflicts:
3842 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3843 Libs.private: $(enabled shared && echo $libs)
3844 Cflags: -I\${includedir}
3845 EOF
3846 cat <<EOF > $name/$name-uninstalled.pc
3847 prefix=
3848 exec_prefix=
3849 libdir=\${pcfiledir}
3850 includedir=${source_path}
3851
3852 Name: $name
3853 Description: $comment
3854 Version: $version
3855 Requires: $requires
3856 Conflicts:
3857 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3858 Cflags: -I\${includedir}
3859 EOF
3860 }
3861
3862 libavfilter_pc_deps=""
3863 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3864 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3865 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3866 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3867 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3868 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3869
3870 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
3871 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
3872
3873 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3874 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3875 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3876 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
3877 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3878 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3879 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3880 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3881 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"