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   --disable-pthreads       disable pthreads [auto]
 116   --disable-w32threads     disable Win32 threads [auto]
 117   --disable-os2threads     disable OS/2 threads [auto]
 118   --enable-x11grab         enable X11 grabbing [no]
 119   --disable-network        disable network support [no]
 120   --disable-dct            disable DCT code
 121   --disable-mdct           disable MDCT code
 122   --disable-rdft           disable RDFT code
 123   --disable-fft            disable FFT code
 124   --enable-dxva2           enable DXVA2 code
 125   --enable-vaapi           enable VAAPI code [autodetect]
 126   --enable-vda             enable VDA code   [autodetect]
 127   --enable-vdpau           enable VDPAU code [autodetect]
 128
 129 Individual component options:
 130   --disable-everything     disable all components listed below
 131   --disable-encoder=NAME   disable encoder NAME
 132   --enable-encoder=NAME    enable encoder NAME
 133   --disable-encoders       disable all encoders
 134   --disable-decoder=NAME   disable decoder NAME
 135   --enable-decoder=NAME    enable decoder NAME
 136   --disable-decoders       disable all decoders
 137   --disable-hwaccel=NAME   disable hwaccel NAME
 138   --enable-hwaccel=NAME    enable hwaccel NAME
 139   --disable-hwaccels       disable all hwaccels
 140   --disable-muxer=NAME     disable muxer NAME
 141   --enable-muxer=NAME      enable muxer NAME
 142   --disable-muxers         disable all muxers
 143   --disable-demuxer=NAME   disable demuxer NAME
 144   --enable-demuxer=NAME    enable demuxer NAME
 145   --disable-demuxers       disable all demuxers
 146   --enable-parser=NAME     enable parser NAME
 147   --disable-parser=NAME    disable parser NAME
 148   --disable-parsers        disable all parsers
 149   --enable-bsf=NAME        enable bitstream filter NAME
 150   --disable-bsf=NAME       disable bitstream filter NAME
 151   --disable-bsfs           disable all bitstream filters
 152   --enable-protocol=NAME   enable protocol NAME
 153   --disable-protocol=NAME  disable protocol NAME
 154   --disable-protocols      disable all protocols
 155   --enable-indev=NAME      enable input device NAME
 156   --disable-indev=NAME     disable input device NAME
 157   --disable-indevs         disable input devices
 158   --enable-outdev=NAME     enable output device NAME
 159   --disable-outdev=NAME    disable output device NAME
 160   --disable-outdevs        disable output devices
 161   --disable-devices        disable all devices
 162   --enable-filter=NAME     enable filter NAME
 163   --disable-filter=NAME    disable filter NAME
 164   --disable-filters        disable all filters
 165
 166 External library support:
 167   --enable-avisynth        enable reading of AVISynth script files [no]
 168   --enable-bzlib           enable bzlib [autodetect]
 169   --enable-fontconfig      enable fontconfig
 170   --enable-frei0r          enable frei0r video filtering
 171   --enable-gnutls          enable gnutls [no]
 172   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
 173   --enable-libass          enable libass subtitles rendering [no]
 174   --enable-libbluray       enable BluRay reading using libbluray [no]
 175   --enable-libcelt         enable CELT decoding via libcelt [no]
 176   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 177   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 178   --enable-libopencv       enable video filtering via libopencv [no]
 179   --enable-libcdio         enable audio CD grabbing with libcdio
 180   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 181                            and libraw1394 [no]
 182   --enable-libdirac        enable Dirac support via libdirac [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 encoding 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
 291 NOTE: Object files are built at the place where configure is launched.
 292 EOF
 293   exit 0
 294 }
 295
 296 quotes='""'
 297
 298 log(){
 299     echo "$@" >> $logfile
 300 }
 301
 302 log_file(){
 303     log BEGIN $1
 304     pr -n -t $1 >> $logfile
 305     log END $1
 306 }
 307
 308 echolog(){
 309     log "$@"
 310     echo "$@"
 311 }
 312
 313 warn(){
 314     log "WARNING: $*"
 315     WARNINGS="${WARNINGS}WARNING: $*\n"
 316 }
 317
 318 die(){
 319     echolog "$@"
 320     cat <<EOF
 321
 322 If you think configure made a mistake, make sure you are using the latest
 323 version from Git.  If the latest version fails, report the problem to the
 324 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 325 EOF
 326     if disabled logging; then
 327         cat <<EOF
 328 Rerun configure with logging enabled (do not use --disable-logging), and
 329 include the log this produces with your report.
 330 EOF
 331     else
 332 cat <<EOF
 333 Include the log file "$logfile" produced by configure as this will help
 334 solving the problem.
 335 EOF
 336     fi
 337     exit 1
 338 }
 339
 340 # Avoid locale weirdness, besides we really just want to translate ASCII.
 341 toupper(){
 342     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 343 }
 344
 345 tolower(){
 346     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 347 }
 348
 349 c_escape(){
 350     echo "$*" | sed 's/["\\]/\\\0/g'
 351 }
 352
 353 sh_quote(){
 354     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 355     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 356     echo "$v"
 357 }
 358
 359 cleanws(){
 360     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 361 }
 362
 363 filter(){
 364     pat=$1
 365     shift
 366     for v; do
 367         eval "case $v in $pat) echo $v ;; esac"
 368     done
 369 }
 370
 371 filter_out(){
 372     pat=$1
 373     shift
 374     for v; do
 375         eval "case $v in $pat) ;; *) echo $v ;; esac"
 376     done
 377 }
 378
 379 map(){
 380     m=$1
 381     shift
 382     for v; do eval $m; done
 383 }
 384
 385 set_all(){
 386     value=$1
 387     shift
 388     for var in $*; do
 389         eval $var=$value
 390     done
 391 }
 392
 393 set_weak(){
 394     value=$1
 395     shift
 396     for var; do
 397         eval : \${$var:=$value}
 398     done
 399 }
 400
 401 set_safe(){
 402     var=$1
 403     shift
 404     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 405 }
 406
 407 get_safe(){
 408     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 409 }
 410
 411 pushvar(){
 412     for var in $*; do
 413         eval level=\${${var}_level:=0}
 414         eval ${var}_${level}="\$$var"
 415         eval ${var}_level=$(($level+1))
 416     done
 417 }
 418
 419 popvar(){
 420     for var in $*; do
 421         eval level=\${${var}_level:-0}
 422         test $level = 0 && continue
 423         eval level=$(($level-1))
 424         eval $var="\${${var}_${level}}"
 425         eval ${var}_level=$level
 426         eval unset ${var}_${level}
 427     done
 428 }
 429
 430 enable(){
 431     set_all yes $*
 432 }
 433
 434 disable(){
 435     set_all no $*
 436 }
 437
 438 enable_weak(){
 439     set_weak yes $*
 440 }
 441
 442 disable_weak(){
 443     set_weak no $*
 444 }
 445
 446 enable_safe(){
 447     for var; do
 448         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 449     done
 450 }
 451
 452 disable_safe(){
 453     for var; do
 454         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 455     done
 456 }
 457
 458 do_enable_deep(){
 459     for var; do
 460         enabled $var && continue
 461         eval sel="\$${var}_select"
 462         eval sgs="\$${var}_suggest"
 463         pushvar var sgs
 464         enable_deep $sel
 465         popvar sgs
 466         enable_deep_weak $sgs
 467         popvar var
 468     done
 469 }
 470
 471 enable_deep(){
 472     do_enable_deep $*
 473     enable $*
 474 }
 475
 476 enable_deep_weak(){
 477     do_enable_deep $*
 478     enable_weak $*
 479 }
 480
 481 enabled(){
 482     test "${1#!}" = "$1" && op== || op=!=
 483     eval test "x\$${1#!}" $op "xyes"
 484 }
 485
 486 disabled(){
 487     test "${1#!}" = "$1" && op== || op=!=
 488     eval test "x\$${1#!}" $op "xno"
 489 }
 490
 491 enabled_all(){
 492     for opt; do
 493         enabled $opt || return 1
 494     done
 495 }
 496
 497 disabled_all(){
 498     for opt; do
 499         disabled $opt || return 1
 500     done
 501 }
 502
 503 enabled_any(){
 504     for opt; do
 505         enabled $opt && return 0
 506     done
 507 }
 508
 509 disabled_any(){
 510     for opt; do
 511         disabled $opt && return 0
 512     done
 513     return 1
 514 }
 515
 516 set_default(){
 517     for opt; do
 518         eval : \${$opt:=\$${opt}_default}
 519     done
 520 }
 521
 522 is_in(){
 523     value=$1
 524     shift
 525     for var in $*; do
 526         [ $var = $value ] && return 0
 527     done
 528     return 1
 529 }
 530
 531 check_deps(){
 532     for cfg; do
 533         cfg="${cfg#!}"
 534         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 535         disabled ${cfg}_checking && continue
 536         enable ${cfg}_checking
 537
 538         eval dep_all="\$${cfg}_deps"
 539         eval dep_any="\$${cfg}_deps_any"
 540         eval dep_sel="\$${cfg}_select"
 541         eval dep_sgs="\$${cfg}_suggest"
 542         eval dep_ifa="\$${cfg}_if"
 543         eval dep_ifn="\$${cfg}_if_any"
 544
 545         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 546         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 547         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 548
 549         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 550         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 551         enabled_all  $dep_all || disable $cfg
 552         enabled_any  $dep_any || disable $cfg
 553         disabled_any $dep_sel && disable $cfg
 554
 555         if enabled $cfg; then
 556             eval dep_extralibs="\$${cfg}_extralibs"
 557             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 558             enable_deep $dep_sel
 559             enable_deep_weak $dep_sgs
 560         fi
 561
 562         disable ${cfg}_checking
 563     done
 564 }
 565
 566 print_config_h(){
 567     enabled $1 && v=1 || v=0
 568     echo "#define $2 $v"
 569 }
 570
 571 print_config_mak(){
 572     enabled $1 && v= || v=!
 573     echo "$v$2=yes"
 574 }
 575
 576 print_config_asm(){
 577     enabled $1 && v=1 || v=0
 578     echo "%define $2 $v"
 579 }
 580
 581 print_config(){
 582     pfx=$1
 583     files=$2
 584     shift 2
 585     for cfg; do
 586         ucname="$(toupper $cfg)"
 587         for f in $files; do
 588             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 589         done
 590     done
 591 }
 592
 593 print_enabled(){
 594     test "$1" = -n && end=" " && shift || end="\n"
 595     suf=$1
 596     shift
 597     for v; do
 598         enabled $v && printf "%s$end" ${v%$suf};
 599     done
 600 }
 601
 602 append(){
 603     var=$1
 604     shift
 605     eval "$var=\"\$$var $*\""
 606 }
 607
 608 prepend(){
 609     var=$1
 610     shift
 611     eval "$var=\"$* \$$var\""
 612 }
 613
 614 add_cppflags(){
 615     append CPPFLAGS $($filter_cppflags "$@")
 616 }
 617
 618 add_cflags(){
 619     append CFLAGS $($filter_cflags "$@")
 620 }
 621
 622 add_cxxflags(){
 623     append CXXFLAGS $($filter_cflags "$@")
 624 }
 625
 626 add_asflags(){
 627     append ASFLAGS $($filter_asflags "$@")
 628 }
 629
 630 add_ldflags(){
 631     append LDFLAGS "$@"
 632 }
 633
 634 add_extralibs(){
 635     prepend extralibs "$@"
 636 }
 637
 638 check_cmd(){
 639     log "$@"
 640     "$@" >> $logfile 2>&1
 641 }
 642
 643 check_cc(){
 644     log check_cc "$@"
 645     cat > $TMPC
 646     log_file $TMPC
 647     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 648 }
 649
 650 check_cxx(){
 651     log check_cxx "$@"
 652     cat > $TMPCPP
 653     log_file $TMPCPP
 654     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
 655 }
 656
 657 check_cpp(){
 658     log check_cpp "$@"
 659     cat > $TMPC
 660     log_file $TMPC
 661     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 662 }
 663
 664 check_as(){
 665     log check_as "$@"
 666     cat > $TMPC
 667     log_file $TMPC
 668     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 669 }
 670
 671 check_asm(){
 672     log check_asm "$@"
 673     name="$1"
 674     code="$2"
 675     shift 2
 676     disable $name
 677     check_as "$@" <<EOF && enable $name
 678 void foo(void){ __asm__ volatile($code); }
 679 EOF
 680 }
 681
 682 check_yasm(){
 683     log check_yasm "$@"
 684     echo "$1" > $TMPS
 685     log_file $TMPS
 686     shift 1
 687     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 688 }
 689
 690 check_ld(){
 691     log check_ld "$@"
 692     type=$1
 693     shift 1
 694     flags=''
 695     libs=''
 696     for f; do
 697         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 698     done
 699     check_$type $($filter_cflags $flags) || return
 700     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
 701 }
 702
 703 check_cppflags(){
 704     log check_cppflags "$@"
 705     set -- $($filter_cppflags "$@")
 706     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 707 int x;
 708 EOF
 709 }
 710
 711 check_cflags(){
 712     log check_cflags "$@"
 713     set -- $($filter_cflags "$@")
 714     check_cc "$@" <<EOF && append CFLAGS "$@"
 715 int x;
 716 EOF
 717 }
 718
 719 check_cxxflags(){
 720     log check_cxxflags "$@"
 721     set -- $($filter_cflags "$@")
 722     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 723 int x;
 724 EOF
 725 }
 726
 727 test_ldflags(){
 728     log test_ldflags "$@"
 729     check_ld "cc" "$@" <<EOF
 730 int main(void){ return 0; }
 731 EOF
 732 }
 733
 734 check_ldflags(){
 735     log check_ldflags "$@"
 736     test_ldflags "$@" && add_ldflags "$@"
 737 }
 738
 739 check_header(){
 740     log check_header "$@"
 741     header=$1
 742     shift
 743     disable_safe $header
 744     check_cpp "$@" <<EOF && enable_safe $header
 745 #include <$header>
 746 int x;
 747 EOF
 748 }
 749
 750 check_func(){
 751     log check_func "$@"
 752     func=$1
 753     shift
 754     disable $func
 755     check_ld "cc" "$@" <<EOF && enable $func
 756 extern int $func();
 757 int main(void){ $func(); }
 758 EOF
 759 }
 760
 761 check_mathfunc(){
 762     log check_mathfunc "$@"
 763     func=$1
 764     shift
 765     disable $func
 766     check_ld "cc" "$@" <<EOF && enable $func
 767 #include <math.h>
 768 float foo(float f) { return $func(f); }
 769 int main(void){ return (int) foo; }
 770 EOF
 771 }
 772
 773 check_func_headers(){
 774     log check_func_headers "$@"
 775     headers=$1
 776     funcs=$2
 777     shift 2
 778     {
 779         for hdr in $headers; do
 780             echo "#include <$hdr>"
 781         done
 782         for func in $funcs; do
 783             echo "long check_$func(void) { return (long) $func; }"
 784         done
 785         echo "int main(void) { return 0; }"
 786     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 787 }
 788
 789 check_class_headers_cpp(){
 790     log check_class_headers_cpp "$@"
 791     headers=$1
 792     classes=$2
 793     shift 2
 794     {
 795         for hdr in $headers; do
 796             echo "#include <$hdr>"
 797         done
 798         echo "int main(void) { "
 799         i=1
 800         for class in $classes; do
 801             echo "$class obj$i;"
 802             i=$(expr $i + 1)
 803         done
 804         echo "return 0; }"
 805     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 806 }
 807
 808 check_cpp_condition(){
 809     log check_cpp_condition "$@"
 810     header=$1
 811     condition=$2
 812     shift 2
 813     check_cpp $($filter_cppflags "$@") <<EOF
 814 #include <$header>
 815 #if !($condition)
 816 #error "unsatisfied condition: $condition"
 817 #endif
 818 EOF
 819 }
 820
 821 check_lib(){
 822     log check_lib "$@"
 823     header="$1"
 824     func="$2"
 825     shift 2
 826     check_header $header && check_func $func "$@" && add_extralibs "$@"
 827 }
 828
 829 check_lib2(){
 830     log check_lib2 "$@"
 831     headers="$1"
 832     funcs="$2"
 833     shift 2
 834     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 835 }
 836
 837 check_lib_cpp(){
 838     log check_lib_cpp "$@"
 839     headers="$1"
 840     classes="$2"
 841     shift 2
 842     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 843 }
 844
 845 check_pkg_config(){
 846     log check_pkg_config "$@"
 847     pkg="$1"
 848     headers="$2"
 849     funcs="$3"
 850     shift 3
 851     $pkg_config --exists $pkg 2>/dev/null || return
 852     pkg_cflags=$($pkg_config --cflags $pkg)
 853     pkg_libs=$($pkg_config --libs $pkg)
 854     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 855         set_safe ${pkg}_cflags $pkg_cflags   &&
 856         set_safe ${pkg}_libs   $pkg_libs
 857 }
 858
 859 check_exec(){
 860     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 861 }
 862
 863 check_exec_crash(){
 864     code=$(cat)
 865
 866     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 867     # are safe but may not be available everywhere.  Thus we use
 868     # raise(SIGTERM) instead.  The check is run in a subshell so we
 869     # can redirect the "Terminated" message from the shell.  SIGBUS
 870     # is not defined by standard C so it is used conditionally.
 871
 872     (check_exec "$@") >> $logfile 2>&1 <<EOF
 873 #include <signal.h>
 874 static void sighandler(int sig){
 875     raise(SIGTERM);
 876 }
 877 int func(void){
 878     $code
 879 }
 880 int (*func_ptr)(void) = func;
 881 int main(void){
 882     signal(SIGILL, sighandler);
 883     signal(SIGFPE, sighandler);
 884     signal(SIGSEGV, sighandler);
 885 #ifdef SIGBUS
 886     signal(SIGBUS, sighandler);
 887 #endif
 888     return func_ptr();
 889 }
 890 EOF
 891 }
 892
 893 check_type(){
 894     log check_type "$@"
 895     headers=$1
 896     type=$2
 897     shift 2
 898     disable_safe "$type"
 899     incs=""
 900     for hdr in $headers; do
 901         incs="$incs
 902 #include <$hdr>"
 903     done
 904     check_cc "$@" <<EOF && enable_safe "$type"
 905 $incs
 906 $type v;
 907 EOF
 908 }
 909
 910 check_struct(){
 911     log check_type "$@"
 912     headers=$1
 913     struct=$2
 914     member=$3
 915     shift 3
 916     disable_safe "${struct}_${member}"
 917     incs=""
 918     for hdr in $headers; do
 919         incs="$incs
 920 #include <$hdr>"
 921     done
 922     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
 923 $incs
 924 const void *p = &(($struct *)0)->$member;
 925 EOF
 926 }
 927
 928 require(){
 929     name="$1"
 930     header="$2"
 931     func="$3"
 932     shift 3
 933     check_lib $header $func "$@" || die "ERROR: $name not found"
 934 }
 935
 936 require2(){
 937     name="$1"
 938     headers="$2"
 939     func="$3"
 940     shift 3
 941     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 942 }
 943
 944 require_cpp(){
 945     name="$1"
 946     headers="$2"
 947     classes="$3"
 948     shift 3
 949     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
 950 }
 951
 952 require_pkg_config(){
 953     pkg="$1"
 954     check_pkg_config "$@" || die "ERROR: $pkg not found"
 955     add_cflags    $(get_safe ${pkg}_cflags)
 956     add_extralibs $(get_safe ${pkg}_libs)
 957 }
 958
 959 check_host_cc(){
 960     log check_host_cc "$@"
 961     cat > $TMPC
 962     log_file $TMPC
 963     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
 964 }
 965
 966 check_host_cflags(){
 967     log check_host_cflags "$@"
 968     check_host_cc "$@" <<EOF && append host_cflags "$@"
 969 int x;
 970 EOF
 971 }
 972
 973 apply(){
 974     file=$1
 975     shift
 976     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 977 }
 978
 979 cp_if_changed(){
 980     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
 981     mkdir -p "$(dirname $2)"
 982     cp -f "$1" "$2"
 983 }
 984
 985 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 986 # system-dependent things.
 987
 988 COMPONENT_LIST="
 989     bsfs
 990     decoders
 991     demuxers
 992     encoders
 993     filters
 994     hwaccels
 995     indevs
 996     muxers
 997     outdevs
 998     parsers
 999     protocols
1000 "
1001
1002 PROGRAM_LIST="
1003     ffplay
1004     ffprobe
1005     ffserver
1006     ffmpeg
1007 "
1008
1009 CONFIG_LIST="
1010     $COMPONENT_LIST
1011     $PROGRAM_LIST
1012     ac3dsp
1013     avcodec
1014     avdevice
1015     avfilter
1016     avformat
1017     avisynth
1018     bzlib
1019     crystalhd
1020     dct
1021     doc
1022     dwt
1023     dxva2
1024     fastdiv
1025     fft
1026     fontconfig
1027     frei0r
1028     gnutls
1029     gpl
1030     gray
1031     hardcoded_tables
1032     libaacplus
1033     libass
1034     libbluray
1035     libcdio
1036     libcelt
1037     libdc1394
1038     libdirac
1039     libfaac
1040     libfreetype
1041     libgsm
1042     libmodplug
1043     libmp3lame
1044     libnut
1045     libopencore_amrnb
1046     libopencore_amrwb
1047     libopencv
1048     libopenjpeg
1049     libpulse
1050     librtmp
1051     libschroedinger
1052     libspeex
1053     libstagefright_h264
1054     libtheora
1055     libutvideo
1056     libv4l2
1057     libvo_aacenc
1058     libvo_amrwbenc
1059     libvorbis
1060     libvpx
1061     libx264
1062     libxavs
1063     libxvid
1064     lsp
1065     mdct
1066     memalign_hack
1067     mpegaudiodsp
1068     network
1069     nonfree
1070     openal
1071     openssl
1072     pic
1073     postproc
1074     rdft
1075     rtpdec
1076     runtime_cpudetect
1077     safe_bitstream_reader
1078     shared
1079     sinewin
1080     small
1081     sram
1082     static
1083     swresample
1084     swscale
1085     swscale_alpha
1086     thumb
1087     vaapi
1088     vda
1089     vdpau
1090     version3
1091     xmm_clobber_test
1092     x11grab
1093     zlib
1094 "
1095
1096 THREADS_LIST='
1097     pthreads
1098     w32threads
1099     os2threads
1100 '
1101
1102 ARCH_LIST='
1103     alpha
1104     arm
1105     avr32
1106     avr32_ap
1107     avr32_uc
1108     bfin
1109     ia64
1110     m68k
1111     mips
1112     mips64
1113     parisc
1114     ppc
1115     ppc64
1116     s390
1117     sh4
1118     sparc
1119     sparc64
1120     tomi
1121     x86
1122     x86_32
1123     x86_64
1124 '
1125
1126 ARCH_EXT_LIST='
1127     altivec
1128     amd3dnow
1129     amd3dnowext
1130     armv5te
1131     armv6
1132     armv6t2
1133     armvfp
1134     avx
1135     mmi
1136     mmx
1137     mmx2
1138     neon
1139     ppc4xx
1140     sse
1141     ssse3
1142     vfpv3
1143     vis
1144 '
1145
1146 HAVE_LIST_PUB='
1147     bigendian
1148     fast_unaligned
1149 '
1150
1151 HAVE_LIST="
1152     $ARCH_EXT_LIST
1153     $HAVE_LIST_PUB
1154     $THREADS_LIST
1155     aligned_stack
1156     alsa_asoundlib_h
1157     altivec_h
1158     arpa_inet_h
1159     asm_mod_y
1160     asm_types_h
1161     attribute_may_alias
1162     attribute_packed
1163     cbrtf
1164     clock_gettime
1165     closesocket
1166     cmov
1167     dcbzl
1168     dev_bktr_ioctl_bt848_h
1169     dev_bktr_ioctl_meteor_h
1170     dev_ic_bt8xx_h
1171     dev_video_bktr_ioctl_bt848_h
1172     dev_video_meteor_ioctl_meteor_h
1173     dlfcn_h
1174     dlopen
1175     dos_paths
1176     ebp_available
1177     ebx_available
1178     exp2
1179     exp2f
1180     fast_64bit
1181     fast_clz
1182     fast_cmov
1183     fcntl
1184     fork
1185     getaddrinfo
1186     gethrtime
1187     GetProcessAffinityMask
1188     GetProcessMemoryInfo
1189     GetProcessTimes
1190     getrusage
1191     glob
1192     gnu_as
1193     ibm_asm
1194     inet_aton
1195     inline_asm
1196     isatty
1197     kbhit
1198     ldbrx
1199     libdc1394_1
1200     libdc1394_2
1201     llrint
1202     llrintf
1203     local_aligned_16
1204     local_aligned_8
1205     localtime_r
1206     log2
1207     log2f
1208     loongson
1209     lrint
1210     lrintf
1211     lzo1x_999_compress
1212     machine_ioctl_bt848_h
1213     machine_ioctl_meteor_h
1214     makeinfo
1215     malloc_h
1216     MapViewOfFile
1217     memalign
1218     mkstemp
1219     mmap
1220     PeekNamedPipe
1221     poll_h
1222     posix_memalign
1223     round
1224     roundf
1225     sched_getaffinity
1226     sdl
1227     sdl_video_size
1228     setmode
1229     setrlimit
1230     sndio_h
1231     socklen_t
1232     soundcard_h
1233     strerror_r
1234     strptime
1235     struct_addrinfo
1236     struct_ipv6_mreq
1237     struct_rusage_ru_maxrss
1238     struct_sockaddr_in6
1239     struct_sockaddr_sa_len
1240     struct_sockaddr_storage
1241     struct_v4l2_frmivalenum_discrete
1242     symver
1243     symver_asm_label
1244     symver_gnu_asm
1245     sysconf
1246     sysctl
1247     sys_mman_h
1248     sys_param_h
1249     sys_resource_h
1250     sys_select_h
1251     sys_soundcard_h
1252     sys_videoio_h
1253     termios_h
1254     threads
1255     trunc
1256     truncf
1257     vfp_args
1258     VirtualAlloc
1259     winsock2_h
1260     xform_asm
1261     xmm_clobbers
1262     yasm
1263 "
1264
1265 # options emitted with CONFIG_ prefix but not available on command line
1266 CONFIG_EXTRA="
1267     aandct
1268     avutil
1269     golomb
1270     gplv3
1271     h264chroma
1272     h264dsp
1273     h264pred
1274     h264qpel
1275     huffman
1276     lgplv3
1277     lpc
1278 "
1279
1280 CMDLINE_SELECT="
1281     $ARCH_EXT_LIST
1282     $CONFIG_LIST
1283     $THREADS_LIST
1284     asm
1285     coverage
1286     cross_compile
1287     debug
1288     extra_warnings
1289     logging
1290     optimizations
1291     stripping
1292     symver
1293     yasm
1294 "
1295
1296 PATHS_LIST='
1297     bindir
1298     datadir
1299     incdir
1300     libdir
1301     mandir
1302     prefix
1303     shlibdir
1304 '
1305
1306 CMDLINE_SET="
1307     $PATHS_LIST
1308     ar
1309     arch
1310     as
1311     assert_level
1312     build_suffix
1313     cc
1314     cpu
1315     cross_prefix
1316     cxx
1317     dep_cc
1318     extra_version
1319     host_cc
1320     host_cflags
1321     host_ldflags
1322     host_libs
1323     host_os
1324     install
1325     ld
1326     logfile
1327     malloc_prefix
1328     nm
1329     optflags
1330     pkg_config
1331     postproc_version
1332     progs_suffix
1333     samples
1334     strip
1335     sysinclude
1336     sysroot
1337     target_exec
1338     target_os
1339     target_path
1340     valgrind
1341     yasmexe
1342 "
1343
1344 CMDLINE_APPEND="
1345     extra_cflags
1346     extra_cxxflags
1347 "
1348
1349 # code dependency declarations
1350
1351 # architecture extensions
1352
1353 armv5te_deps="arm"
1354 armv6_deps="arm"
1355 armv6t2_deps="arm"
1356 armvfp_deps="arm"
1357 neon_deps="arm"
1358 vfpv3_deps="armvfp"
1359
1360 mmi_deps="mips"
1361
1362 altivec_deps="ppc"
1363 ppc4xx_deps="ppc"
1364
1365 vis_deps="sparc"
1366
1367 x86_64_suggest="cmov fast_cmov"
1368 amd3dnow_deps="mmx"
1369 amd3dnowext_deps="amd3dnow"
1370 mmx_deps="x86"
1371 mmx2_deps="mmx"
1372 sse_deps="mmx"
1373 ssse3_deps="sse"
1374 avx_deps="ssse3"
1375
1376 aligned_stack_if_any="ppc x86"
1377 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1378 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1379 fast_unaligned_if_any="armv6 ppc x86"
1380
1381 inline_asm_deps="!tms470"
1382 need_memalign="altivec neon sse"
1383
1384 symver_if_any="symver_asm_label symver_gnu_asm"
1385
1386 # subsystems
1387 dct_select="rdft"
1388 mdct_select="fft"
1389 rdft_select="fft"
1390 mpegaudiodsp_select="dct"
1391
1392 # decoders / encoders / hardware accelerators
1393 aac_decoder_select="mdct sinewin"
1394 aac_encoder_select="mdct sinewin"
1395 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1396 ac3_decoder_select="mdct ac3dsp ac3_parser"
1397 ac3_encoder_select="mdct ac3dsp"
1398 ac3_fixed_encoder_select="mdct ac3dsp"
1399 alac_encoder_select="lpc"
1400 amrnb_decoder_select="lsp"
1401 amrwb_decoder_select="lsp"
1402 atrac1_decoder_select="mdct sinewin"
1403 atrac3_decoder_select="mdct"
1404 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1405 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1406 cavs_decoder_select="golomb"
1407 cook_decoder_select="mdct sinewin"
1408 cscd_decoder_suggest="zlib"
1409 dca_decoder_select="mdct"
1410 dnxhd_encoder_select="aandct"
1411 dxa_decoder_select="zlib"
1412 eac3_decoder_select="ac3_decoder"
1413 eac3_encoder_select="mdct ac3dsp"
1414 eamad_decoder_select="aandct"
1415 eatgq_decoder_select="aandct"
1416 eatqi_decoder_select="aandct"
1417 ffv1_decoder_select="golomb"
1418 flac_decoder_select="golomb"
1419 flac_encoder_select="golomb lpc"
1420 flashsv_decoder_select="zlib"
1421 flashsv_encoder_select="zlib"
1422 flashsv2_encoder_select="zlib"
1423 flashsv2_decoder_select="zlib"
1424 flv_decoder_select="h263_decoder"
1425 flv_encoder_select="h263_encoder"
1426 fraps_decoder_select="huffman"
1427 h261_encoder_select="aandct"
1428 h263_decoder_select="h263_parser"
1429 h263_encoder_select="aandct"
1430 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1431 h263i_decoder_select="h263_decoder"
1432 h263p_encoder_select="h263_encoder"
1433 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1434 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1435 h264_dxva2_hwaccel_deps="dxva2api_h"
1436 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1437 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1438 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1439 h264_vda_hwaccel_select="vda h264_decoder"
1440 h264_vdpau_decoder_select="vdpau h264_decoder"
1441 imc_decoder_select="fft mdct sinewin"
1442 jpegls_decoder_select="golomb"
1443 jpegls_encoder_select="golomb"
1444 ljpeg_encoder_select="aandct"
1445 loco_decoder_select="golomb"
1446 mjpeg_encoder_select="aandct"
1447 mlp_decoder_select="mlp_parser"
1448 mp1_decoder_select="mpegaudiodsp"
1449 mp1float_decoder_select="mpegaudiodsp"
1450 mp2_decoder_select="mpegaudiodsp"
1451 mp2float_decoder_select="mpegaudiodsp"
1452 mp3_decoder_select="mpegaudiodsp"
1453 mp3adu_decoder_select="mpegaudiodsp"
1454 mp3adufloat_decoder_select="mpegaudiodsp"
1455 mp3float_decoder_select="mpegaudiodsp"
1456 mp3on4_decoder_select="mpegaudiodsp"
1457 mp3on4float_decoder_select="mpegaudiodsp"
1458 mpc7_decoder_select="mpegaudiodsp"
1459 mpc8_decoder_select="mpegaudiodsp"
1460 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1461 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1462 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1463 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1464 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1465 mpeg1video_encoder_select="aandct"
1466 mpeg2_crystalhd_decoder_select="crystalhd"
1467 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1468 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1469 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1470 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1471 mpeg2video_encoder_select="aandct"
1472 mpeg4_crystalhd_decoder_select="crystalhd"
1473 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1474 mpeg4_encoder_select="h263_encoder"
1475 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1476 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1477 msmpeg4_crystalhd_decoder_select="crystalhd"
1478 msmpeg4v1_decoder_select="h263_decoder"
1479 msmpeg4v1_encoder_select="h263_encoder"
1480 msmpeg4v2_decoder_select="h263_decoder"
1481 msmpeg4v2_encoder_select="h263_encoder"
1482 msmpeg4v3_decoder_select="h263_decoder"
1483 msmpeg4v3_encoder_select="h263_encoder"
1484 nellymoser_decoder_select="mdct sinewin"
1485 nellymoser_encoder_select="mdct sinewin"
1486 png_decoder_select="zlib"
1487 png_encoder_select="zlib"
1488 qcelp_decoder_select="lsp"
1489 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1490 ra_144_encoder_select="lpc"
1491 ralf_decoder_select="golomb"
1492 rv10_decoder_select="h263_decoder"
1493 rv10_encoder_select="h263_encoder"
1494 rv20_decoder_select="h263_decoder"
1495 rv20_encoder_select="h263_encoder"
1496 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1497 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1498 shorten_decoder_select="golomb"
1499 sipr_decoder_select="lsp"
1500 snow_decoder_select="dwt"
1501 snow_encoder_select="aandct dwt"
1502 sonic_decoder_select="golomb"
1503 sonic_encoder_select="golomb"
1504 sonic_ls_encoder_select="golomb"
1505 svq1_encoder_select="aandct"
1506 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1507 svq3_decoder_suggest="zlib"
1508 theora_decoder_select="vp3_decoder"
1509 tiff_decoder_suggest="zlib"
1510 tiff_encoder_suggest="zlib"
1511 truehd_decoder_select="mlp_decoder"
1512 tscc_decoder_select="zlib"
1513 twinvq_decoder_select="mdct lsp sinewin"
1514 vc1_crystalhd_decoder_select="crystalhd"
1515 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1516 vc1_dxva2_hwaccel_deps="dxva2api_h"
1517 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1518 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1519 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1520 vc1image_decoder_select="vc1_decoder"
1521 vorbis_decoder_select="mdct"
1522 vorbis_encoder_select="mdct"
1523 vp6_decoder_select="huffman"
1524 vp6a_decoder_select="vp6_decoder"
1525 vp6f_decoder_select="vp6_decoder"
1526 vp8_decoder_select="h264pred h264qpel"
1527 wmapro_decoder_select="mdct sinewin"
1528 wmav1_decoder_select="mdct sinewin"
1529 wmav1_encoder_select="mdct sinewin"
1530 wmav2_decoder_select="mdct sinewin"
1531 wmav2_encoder_select="mdct sinewin"
1532 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1533 wmv1_decoder_select="h263_decoder"
1534 wmv1_encoder_select="h263_encoder"
1535 wmv2_decoder_select="h263_decoder"
1536 wmv2_encoder_select="h263_encoder"
1537 wmv3_decoder_select="vc1_decoder"
1538 wmv3_crystalhd_decoder_select="crystalhd"
1539 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1540 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1541 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1542 wmv3image_decoder_select="wmv3_decoder"
1543 zerocodec_decoder_select="zlib"
1544 zlib_decoder_select="zlib"
1545 zlib_encoder_select="zlib"
1546 zmbv_decoder_select="zlib"
1547 zmbv_encoder_select="zlib"
1548
1549 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1550 vaapi_deps="va_va_h"
1551 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1552 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1553
1554 # parsers
1555 h264_parser_select="golomb h264dsp h264pred"
1556
1557 # external libraries
1558 libaacplus_encoder_deps="libaacplus"
1559 libcelt_decoder_deps="libcelt"
1560 libdirac_decoder_deps="libdirac !libschroedinger"
1561 libfaac_encoder_deps="libfaac"
1562 libgsm_decoder_deps="libgsm"
1563 libgsm_encoder_deps="libgsm"
1564 libgsm_ms_decoder_deps="libgsm"
1565 libgsm_ms_encoder_deps="libgsm"
1566 libmodplug_demuxer_deps="libmodplug"
1567 libmp3lame_encoder_deps="libmp3lame"
1568 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1569 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1570 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1571 libopenjpeg_decoder_deps="libopenjpeg"
1572 libopenjpeg_encoder_deps="libopenjpeg"
1573 libschroedinger_decoder_deps="libschroedinger"
1574 libschroedinger_encoder_deps="libschroedinger"
1575 libspeex_decoder_deps="libspeex"
1576 libspeex_encoder_deps="libspeex"
1577 libstagefright_h264_decoder_deps="libstagefright_h264"
1578 libtheora_encoder_deps="libtheora"
1579 libvo_aacenc_encoder_deps="libvo_aacenc"
1580 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1581 libvorbis_encoder_deps="libvorbis"
1582 libvpx_decoder_deps="libvpx"
1583 libvpx_encoder_deps="libvpx"
1584 libx264_encoder_deps="libx264"
1585 libx264rgb_encoder_deps="libx264"
1586 libxavs_encoder_deps="libxavs"
1587 libxvid_encoder_deps="libxvid"
1588 libutvideo_decoder_deps="libutvideo"
1589 libutvideo_encoder_deps="libutvideo"
1590
1591 # demuxers / muxers
1592 ac3_demuxer_select="ac3_parser"
1593 asf_stream_muxer_select="asf_muxer"
1594 avisynth_demuxer_deps="avisynth"
1595 dirac_demuxer_select="dirac_parser"
1596 eac3_demuxer_select="ac3_parser"
1597 flac_demuxer_select="flac_parser"
1598 ipod_muxer_select="mov_muxer"
1599 libnut_demuxer_deps="libnut"
1600 libnut_muxer_deps="libnut"
1601 matroska_audio_muxer_select="matroska_muxer"
1602 matroska_demuxer_suggest="zlib bzlib"
1603 mov_demuxer_suggest="zlib"
1604 mp3_demuxer_select="mpegaudio_parser"
1605 mp4_muxer_select="mov_muxer"
1606 mpegtsraw_demuxer_select="mpegts_demuxer"
1607 mxf_d10_muxer_select="mxf_muxer"
1608 ogg_demuxer_select="golomb"
1609 psp_muxer_select="mov_muxer"
1610 rtp_demuxer_select="sdp_demuxer"
1611 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1612 rtsp_demuxer_select="http_protocol rtpdec"
1613 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1614 sap_demuxer_select="sdp_demuxer"
1615 sap_muxer_select="rtp_muxer rtp_protocol"
1616 sdp_demuxer_select="rtpdec"
1617 spdif_muxer_select="aac_parser"
1618 tg2_muxer_select="mov_muxer"
1619 tgp_muxer_select="mov_muxer"
1620 w64_demuxer_deps="wav_demuxer"
1621
1622 # indevs / outdevs
1623 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1624 alsa_outdev_deps="alsa_asoundlib_h"
1625 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1626 dshow_indev_deps="IBaseFilter"
1627 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1628 dv1394_indev_deps="dv1394 dv_demuxer"
1629 fbdev_indev_deps="linux_fb_h"
1630 jack_indev_deps="jack_jack_h sem_timedwait"
1631 lavfi_indev_deps="avfilter"
1632 libcdio_indev_deps="libcdio"
1633 libdc1394_indev_deps="libdc1394"
1634 libv4l2_indev_deps="libv4l2"
1635 openal_indev_deps="openal"
1636 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1637 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1638 pulse_indev_deps="libpulse"
1639 sdl_outdev_deps="sdl"
1640 sndio_indev_deps="sndio_h"
1641 sndio_outdev_deps="sndio_h"
1642 v4l_indev_deps="linux_videodev_h"
1643 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1644 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1645 vfwcap_indev_extralibs="-lavicap32"
1646 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1647
1648 # protocols
1649 bluray_protocol_deps="libbluray"
1650 gopher_protocol_deps="network"
1651 httpproxy_protocol_deps="network"
1652 httpproxy_protocol_select="tcp_protocol"
1653 http_protocol_deps="network"
1654 http_protocol_select="tcp_protocol"
1655 https_protocol_select="tls_protocol"
1656 librtmp_protocol_deps="librtmp"
1657 librtmpe_protocol_deps="librtmp"
1658 librtmps_protocol_deps="librtmp"
1659 librtmpt_protocol_deps="librtmp"
1660 librtmpte_protocol_deps="librtmp"
1661 mmsh_protocol_select="http_protocol"
1662 mmst_protocol_deps="network"
1663 rtmp_protocol_deps="!librtmp_protocol"
1664 rtmp_protocol_select="tcp_protocol"
1665 rtp_protocol_select="udp_protocol"
1666 tcp_protocol_deps="network"
1667 tls_protocol_deps_any="openssl gnutls"
1668 tls_protocol_select="tcp_protocol"
1669 udp_protocol_deps="network"
1670
1671 # filters
1672 aconvert_filter_deps="swresample"
1673 amovie_filter_deps="avcodec avformat"
1674 aresample_filter_deps="swresample"
1675 ass_filter_deps="libass"
1676 blackframe_filter_deps="gpl"
1677 boxblur_filter_deps="gpl"
1678 colormatrix_filter_deps="gpl"
1679 cropdetect_filter_deps="gpl"
1680 delogo_filter_deps="gpl"
1681 drawtext_filter_deps="libfreetype"
1682 frei0r_filter_deps="frei0r dlopen"
1683 frei0r_filter_extralibs='$ldl'
1684 frei0r_src_filter_deps="frei0r dlopen"
1685 frei0r_src_filter_extralibs='$ldl'
1686 hqdn3d_filter_deps="gpl"
1687 movie_filter_deps="avcodec avformat"
1688 mp_filter_deps="gpl avcodec swscale postproc"
1689 mptestsrc_filter_deps="gpl"
1690 negate_filter_deps="lut_filter"
1691 ocv_filter_deps="libopencv"
1692 pan_filter_deps="swresample"
1693 removelogo_filter_deps="avcodec avformat swscale"
1694 scale_filter_deps="swscale"
1695 tinterlace_filter_deps="gpl"
1696 yadif_filter_deps="gpl"
1697
1698 # libraries
1699 avdevice_deps="avcodec avformat"
1700 avformat_deps="avcodec"
1701 postproc_deps="gpl"
1702
1703 # programs
1704 ffplay_deps="avcodec avformat swscale swresample sdl"
1705 ffplay_select="buffersink_filter rdft"
1706 ffprobe_deps="avcodec avformat"
1707 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1708 ffserver_extralibs='$ldl'
1709 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1710 ffmpeg_select="buffersink_filter"
1711
1712 doc_deps="texi2html"
1713
1714 # tests
1715
1716 test_deps(){
1717     suf1=$1
1718     suf2=$2
1719     shift 2
1720     for v; do
1721         dep=${v%=*}
1722         tests=${v#*=}
1723         for name in ${tests}; do
1724             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1725         done
1726     done
1727 }
1728
1729 mxf_d10_test_deps="avfilter"
1730 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1731
1732 test_deps _encoder _decoder                                             \
1733     adpcm_ima_qt                                                        \
1734     adpcm_ima_wav                                                       \
1735     adpcm_ms                                                            \
1736     adpcm_swf                                                           \
1737     adpcm_yamaha=adpcm_yam                                              \
1738     alac                                                                \
1739     asv1                                                                \
1740     asv2                                                                \
1741     bmp                                                                 \
1742     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1743     dvvideo="dv dv_411 dv50"                                            \
1744     ffv1                                                                \
1745     flac                                                                \
1746     flashsv                                                             \
1747     flv                                                                 \
1748     adpcm_g726=g726                                                     \
1749     gif                                                                 \
1750     h261                                                                \
1751     h263="h263 h263p"                                                   \
1752     huffyuv                                                             \
1753     jpegls                                                              \
1754     mjpeg="jpg mjpeg ljpeg"                                             \
1755     mp2                                                                 \
1756     mpeg1video="mpeg mpeg1b"                                            \
1757     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1758     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1759     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1760     mpeg4="mpeg4thread error rc"                                        \
1761     msmpeg4v3=msmpeg4                                                   \
1762     msmpeg4v2                                                           \
1763     pbm=pbmpipe                                                         \
1764     pcx                                                                 \
1765     pgm="pgm pgmpipe"                                                   \
1766     png                                                                 \
1767     ppm="ppm ppmpipe"                                                   \
1768     rawvideo="rgb yuv"                                                  \
1769     roq                                                                 \
1770     rv10                                                                \
1771     rv20                                                                \
1772     sgi                                                                 \
1773     snow="snow snowll"                                                  \
1774     svq1                                                                \
1775     targa=tga                                                           \
1776     tiff                                                                \
1777     wmav1                                                               \
1778     wmav2                                                               \
1779     wmv1                                                                \
1780     wmv2                                                                \
1781
1782 test_deps _muxer _demuxer                                               \
1783     aiff                                                                \
1784     pcm_alaw=alaw                                                       \
1785     asf                                                                 \
1786     au                                                                  \
1787     avi                                                                 \
1788     dv=dv_fmt                                                           \
1789     ffm                                                                 \
1790     flv=flv_fmt                                                         \
1791     gxf                                                                 \
1792     matroska=mkv                                                        \
1793     mmf                                                                 \
1794     mov="mov ismv"                                                      \
1795     pcm_mulaw=mulaw                                                     \
1796     mxf="mxf mxf_d10"                                                   \
1797     nut                                                                 \
1798     ogg="ogg ogg_vp3"                                                   \
1799     rawvideo=pixfmt                                                     \
1800     rm                                                                  \
1801     swf                                                                 \
1802     mpegts=ts                                                           \
1803     voc                                                                 \
1804     wav                                                                 \
1805     yuv4mpegpipe=yuv4mpeg                                               \
1806
1807 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1808 flashsv2_test_deps="zlib"
1809 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1810 mpng_test_deps="zlib"
1811 pp_test_deps="mp_filter"
1812 pp2_test_deps="mp_filter"
1813 pp3_test_deps="mp_filter"
1814 pp4_test_deps="mp_filter"
1815 pp5_test_deps="mp_filter"
1816 pp6_test_deps="mp_filter"
1817 zlib_test_deps="zlib"
1818 zmbv_test_deps="zlib"
1819
1820 # default parameters
1821
1822 logfile="config.log"
1823
1824 # installation paths
1825 prefix_default="/usr/local"
1826 bindir_default='${prefix}/bin'
1827 datadir_default='${prefix}/share/ffmpeg'
1828 incdir_default='${prefix}/include'
1829 libdir_default='${prefix}/lib'
1830 mandir_default='${prefix}/share/man'
1831 shlibdir_default="$libdir_default"
1832 postproc_version_default="current"
1833
1834 # toolchain
1835 ar_default="ar"
1836 cc_default="gcc"
1837 cxx_default="g++"
1838 cc_version=\"unknown\"
1839 host_cc_default="gcc"
1840 install="install"
1841 ln_s="ln -sf"
1842 nm_default="nm"
1843 objformat="elf"
1844 pkg_config_default=pkg-config
1845 ranlib="ranlib"
1846 strip_default="strip"
1847 yasmexe_default="yasm"
1848
1849 nm_opts='-g'
1850 nogas=":"
1851
1852 # machine
1853 arch_default=$(uname -m)
1854 cpu="generic"
1855
1856 # OS
1857 target_os_default=$(tolower $(uname -s))
1858 host_os=$target_os_default
1859
1860 # alternative libpostproc version
1861 ALT_PP_VER_MAJOR=51
1862 ALT_PP_VER_MINOR=2
1863 ALT_PP_VER_MICRO=101
1864 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1865
1866 # configurable options
1867 enable $PROGRAM_LIST
1868
1869 enable avcodec
1870 enable avdevice
1871 enable avfilter
1872 enable avformat
1873 enable avutil
1874 enable postproc
1875 enable stripping
1876 enable swresample
1877 enable swscale
1878
1879 enable asm
1880 enable debug
1881 enable doc
1882 enable fastdiv
1883 enable network
1884 enable optimizations
1885 enable safe_bitstream_reader
1886 enable static
1887 enable swscale_alpha
1888
1889 # build settings
1890 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1891 FFSERVERLDFLAGS=-Wl,-E
1892 LIBPREF="lib"
1893 LIBSUF=".a"
1894 FULLNAME='$(NAME)$(BUILDSUF)'
1895 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1896 SLIBPREF="lib"
1897 SLIBSUF=".so"
1898 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1899 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1900 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1901 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1902 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1903 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1904
1905 AS_O='-o $@'
1906 CC_O='-o $@'
1907 CXX_O='-o $@'
1908
1909 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1910 host_libs='-lm'
1911
1912 target_path='$(CURDIR)'
1913
1914 # since the object filename is not given with the -MM flag, the compiler
1915 # is only able to print the basename, and we must add the path ourselves
1916 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1917 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1918
1919 # find source path
1920 if test -f configure; then
1921     source_path=.
1922 else
1923     source_path=$(cd $(dirname "$0"); pwd)
1924     echo "$source_path" | grep -q '[[:blank:]]' &&
1925         die "Out of tree builds are impossible with whitespace in source path."
1926     test -e "$source_path/config.h" &&
1927         die "Out of tree builds are impossible with config.h in source dir."
1928 fi
1929
1930 for v in "$@"; do
1931     r=${v#*=}
1932     l=${v%"$r"}
1933     r=$(sh_quote "$r")
1934     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1935 done
1936
1937 find_things(){
1938     thing=$1
1939     pattern=$2
1940     file=$source_path/$3
1941     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1942 }
1943
1944 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1945 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1946 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1947 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1948 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1949 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1950 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1951 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1952 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1953 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1954 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1955
1956 ALL_COMPONENTS="
1957     $BSF_LIST
1958     $DECODER_LIST
1959     $DEMUXER_LIST
1960     $ENCODER_LIST
1961     $FILTER_LIST
1962     $HWACCEL_LIST
1963     $INDEV_LIST
1964     $MUXER_LIST
1965     $OUTDEV_LIST
1966     $PARSER_LIST
1967     $PROTOCOL_LIST
1968 "
1969
1970 find_tests(){
1971     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1972 }
1973
1974 ACODEC_TESTS=$(find_tests acodec)
1975 VCODEC_TESTS=$(find_tests vsynth1)
1976 LAVF_FATE_TESTS=$(find_tests lavf-fate)
1977 LAVF_TESTS=$(find_tests lavf)
1978 LAVFI_TESTS=$(find_tests lavfi)
1979 SEEK_TESTS=$(find_tests seek seek_)
1980
1981 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1982
1983 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1984
1985 for n in $COMPONENT_LIST; do
1986     v=$(toupper ${n%s})_LIST
1987     eval enable \$$v
1988     eval ${n}_if_any="\$$v"
1989 done
1990
1991 enable $ARCH_EXT_LIST $ALL_TESTS
1992
1993 die_unknown(){
1994     echo "Unknown option \"$1\"."
1995     echo "See $0 --help for available options."
1996     exit 1
1997 }
1998
1999 show_list() {
2000     suffix=_$1
2001     shift
2002     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2003     exit 0
2004 }
2005
2006 for opt do
2007     optval="${opt#*=}"
2008     case "$opt" in
2009     --extra-ldflags=*) add_ldflags $optval
2010     ;;
2011     --extra-libs=*) add_extralibs $optval
2012     ;;
2013     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2014     ;;
2015     --enable-debug=*) debuglevel="$optval"
2016     ;;
2017     --disable-everything)
2018     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2019     ;;
2020     --enable-*=*|--disable-*=*)
2021     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2022     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2023     eval list=\$$(toupper $thing)_LIST
2024     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2025     $action $(filter "$name" $list)
2026     ;;
2027     --enable-?*|--disable-?*)
2028     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2029     if is_in $option $COMPONENT_LIST; then
2030         test $action = disable && action=unset
2031         eval $action \$$(toupper ${option%s})_LIST
2032     elif is_in $option $CMDLINE_SELECT; then
2033         $action $option
2034     else
2035         die_unknown $opt
2036     fi
2037     ;;
2038     --list-*)
2039         NAME="${opt#--list-}"
2040         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2041         NAME=${NAME%s}
2042         eval show_list $NAME \$$(toupper $NAME)_LIST
2043     ;;
2044     --help|-h) show_help
2045     ;;
2046     *)
2047     optname="${opt%%=*}"
2048     optname="${optname#--}"
2049     optname=$(echo "$optname" | sed 's/-/_/g')
2050     if is_in $optname $CMDLINE_SET; then
2051         eval $optname='$optval'
2052     elif is_in $optname $CMDLINE_APPEND; then
2053         append $optname "$optval"
2054     else
2055          die_unknown $opt
2056     fi
2057     ;;
2058     esac
2059 done
2060
2061 disabled logging && logfile=/dev/null
2062
2063 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2064 set >> $logfile
2065
2066 test -n "$cross_prefix" && enable cross_compile
2067
2068 if enabled cross_compile; then
2069     test -n "$arch" && test -n "$target_os" ||
2070         die "Must specify target arch and OS when cross-compiling"
2071 fi
2072
2073 set_default arch target_os postproc_version
2074
2075 # Check if we should build alternative libpostproc version instead of current
2076 if   test "$postproc_version" = $ALT_PP_VER; then
2077   LIBPOSTPROC_VERSION=$ALT_PP_VER
2078   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2079   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2080   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2081 elif test "$postproc_version" != current; then
2082   die "Invalid argument to --postproc-version. See --help output."
2083 fi
2084
2085 ar_default="${cross_prefix}${ar_default}"
2086 cc_default="${cross_prefix}${cc_default}"
2087 cxx_default="${cross_prefix}${cxx_default}"
2088 nm_default="${cross_prefix}${nm_default}"
2089 pkg_config_default="${cross_prefix}${pkg_config_default}"
2090 ranlib="${cross_prefix}${ranlib}"
2091 strip_default="${cross_prefix}${strip_default}"
2092
2093 sysinclude_default="${sysroot}/usr/include"
2094
2095 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2096 enabled cross_compile || host_cc_default=$cc
2097 set_default host_cc
2098
2099 if ! $pkg_config --version >/dev/null 2>&1; then
2100     warn "$pkg_config not found, library detection may fail."
2101     pkg_config=false
2102 fi
2103
2104 exesuf() {
2105     case $1 in
2106         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2107     esac
2108 }
2109
2110 EXESUF=$(exesuf $target_os)
2111 HOSTEXESUF=$(exesuf $host_os)
2112
2113 # set temporary file name
2114 : ${TMPDIR:=$TEMPDIR}
2115 : ${TMPDIR:=$TMP}
2116 : ${TMPDIR:=/tmp}
2117
2118 if ! check_cmd mktemp -u XXXXXX; then
2119     # simple replacement for missing mktemp
2120     # NOT SAFE FOR GENERAL USE
2121     mktemp(){
2122         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2123     }
2124 fi
2125
2126 tmpfile(){
2127     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2128         (set -C; exec > $tmp) 2>/dev/null ||
2129         die "Unable to create temporary file in $TMPDIR."
2130     append TMPFILES $tmp
2131     eval $1=$tmp
2132 }
2133
2134 trap 'rm -f -- $TMPFILES' EXIT
2135
2136 tmpfile TMPASM .asm
2137 tmpfile TMPC   .c
2138 tmpfile TMPCPP .cpp
2139 tmpfile TMPE   $EXESUF
2140 tmpfile TMPH   .h
2141 tmpfile TMPO   .o
2142 tmpfile TMPS   .S
2143 tmpfile TMPSH  .sh
2144 tmpfile TMPV   .ver
2145
2146 unset -f mktemp
2147
2148 chmod +x $TMPE
2149
2150 # make sure we can execute files in $TMPDIR
2151 cat > $TMPSH 2>> $logfile <<EOF
2152 #! /bin/sh
2153 EOF
2154 chmod +x $TMPSH >> $logfile 2>&1
2155 if ! $TMPSH >> $logfile 2>&1; then
2156     cat <<EOF
2157 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2158 variable to another directory and make sure that it is not mounted noexec.
2159 EOF
2160     die "Sanity test failed."
2161 fi
2162
2163 filter_asflags=echo
2164 filter_cflags=echo
2165 filter_cppflags=echo
2166
2167 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2168     cc_type=llvm_gcc
2169     cc_version=__VERSION__
2170     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2171     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2172     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2173     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2174     speed_cflags='-O3'
2175     size_cflags='-Os'
2176 elif $cc -v 2>&1 | grep -qi ^gcc; then
2177     cc_type=gcc
2178     cc_version=__VERSION__
2179     gcc_version=$($cc --version | head -n1)
2180     gcc_basever=$($cc -dumpversion)
2181     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2182     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2183     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2184     if ! $cc -dumpversion | grep -q '^2\.'; then
2185         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2186         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2187     fi
2188     speed_cflags='-O3'
2189     size_cflags='-Os'
2190 elif $cc --version 2>/dev/null | grep -q Intel; then
2191     cc_type=icc
2192     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2193     cc_ident=$($cc --version | head -n1)
2194     icc_version=$($cc -dumpversion)
2195     CC_DEPFLAGS='-MMD'
2196     AS_DEPFLAGS='-MMD'
2197     speed_cflags='-O3'
2198     size_cflags='-Os'
2199     noopt_cflags='-O1'
2200 elif $cc -v 2>&1 | grep -q xlc; then
2201     cc_type=xlc
2202     cc_version="AV_STRINGIFY(__IBMC__)"
2203     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2204     speed_cflags='-O5'
2205     size_cflags='-O5 -qcompact'
2206 elif $cc -V 2>/dev/null | grep -q Compaq; then
2207     cc_type=ccc
2208     cc_version="AV_STRINGIFY(__DECC_VER)"
2209     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2210     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2211     debuglevel=3
2212     add_ldflags -Wl,-z,now # calls to libots crash without this
2213     speed_cflags='-fast'
2214     size_cflags='-O1'
2215 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2216     test -d "$sysroot" || die "No valid sysroot specified."
2217     cc_type=armcc
2218     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2219     cc_ident=$($cc --vsn | head -n1)
2220     armcc_conf="$PWD/armcc.conf"
2221     $cc --arm_linux_configure                 \
2222         --arm_linux_config_file="$armcc_conf" \
2223         --configure_sysroot="$sysroot"        \
2224         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2225         die "Error creating armcc configuration file."
2226     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2227     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2228     as_default="${cross_prefix}gcc"
2229     CC_DEPFLAGS='-MMD'
2230     AS_DEPFLAGS='-MMD'
2231     speed_cflags='-O3'
2232     size_cflags='-Os'
2233     filter_asflags="filter_out -W${armcc_opt}*"
2234 elif $cc -version 2>/dev/null | grep -q TMS470; then
2235     cc_type=tms470
2236     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2237     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2238     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2239     CC_O='-fr=$(@D)'
2240     as_default="${cross_prefix}gcc"
2241     ld_default="${cross_prefix}gcc"
2242     TMPO=$(basename $TMPC .c).o
2243     append TMPFILES $TMPO
2244     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2245     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2246     AS_DEPFLAGS='-MMD'
2247     speed_cflags='-O3 -mf=5'
2248     size_cflags='-O3 -mf=2'
2249     filter_cflags=tms470_flags
2250     tms470_flags(){
2251         for flag; do
2252             case $flag in
2253                 -march=*|-mcpu=*)
2254                     case "${flag#*=}" in
2255                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2256                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2257                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2258                         armv6*|arm11*)          echo -mv=6   ;;
2259                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2260                                                 echo -mv=5e  ;;
2261                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2262                     esac
2263                     ;;
2264                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2265                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2266                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2267                 -msoft-float)   echo --float_support=vfplib       ;;
2268                 -O[0-3]|-mf=*)  echo $flag                        ;;
2269                 -g)             echo -g -mn                       ;;
2270                 -pds=*)         echo $flag                        ;;
2271             esac
2272         done
2273     }
2274 elif $cc -v 2>&1 | grep -q clang; then
2275     cc_type=clang
2276     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2277         cc_version=__clang_version__ || cc_version=__VERSION__
2278     cc_ident=$($cc --version | head -n1)
2279     CC_DEPFLAGS='-MMD'
2280     AS_DEPFLAGS='-MMD'
2281     speed_cflags='-O3'
2282     size_cflags='-Os'
2283 elif $cc -V 2>&1 | grep -q Sun; then
2284     cc_type=suncc
2285     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2286     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2287     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2288     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2289     add_ldflags -xc99
2290     speed_cflags='-O5'
2291     size_cflags='-O5 -xspace'
2292     filter_cflags=suncc_flags
2293     suncc_flags(){
2294         for flag; do
2295             case $flag in
2296                 -march=*|-mcpu=*)
2297                     case "${flag#*=}" in
2298                         native)                   echo -xtarget=native       ;;
2299                         v9|niagara)               echo -xarch=sparc          ;;
2300                         ultrasparc)               echo -xarch=sparcvis       ;;
2301                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2302                         i586|pentium)             echo -xchip=pentium        ;;
2303                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2304                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2305                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2306                         pentium4*)          echo -xtarget=pentium4           ;;
2307                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2308                         *-sse3)             echo -xarch=sse3                 ;;
2309                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2310                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2311                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2312                         k8|opteron|athlon64|athlon-fx)
2313                                                   echo -xarch=sse2a          ;;
2314                         athlon*)                  echo -xarch=pentium_proa   ;;
2315                     esac
2316                     ;;
2317                 -std=c99)             echo -xc99              ;;
2318                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2319                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2320                 -W*,*)                echo $flag              ;;
2321                 -f*-*|-W*)                                    ;;
2322                 *)                    echo $flag              ;;
2323             esac
2324         done
2325     }
2326 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2327     cc_type=pathscale
2328     cc_version=__PATHSCALE__
2329     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2330     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2331     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2332     speed_cflags='-O2'
2333     size_cflags='-Os'
2334     filter_cflags='filter_out -Wdisabled-optimization'
2335 elif $cc -v 2>&1 | grep -q Open64; then
2336     cc_type=open64
2337     cc_version=__OPEN64__
2338     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2339     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2340     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2341     speed_cflags='-O2'
2342     size_cflags='-Os'
2343     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2344 fi
2345
2346 test -n "$cc_type" && enable $cc_type ||
2347     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2348
2349 : ${as_default:=$cc}
2350 : ${dep_cc_default:=$cc}
2351 : ${ld_default:=$cc}
2352 set_default ar as dep_cc ld
2353
2354 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2355 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2356 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2357
2358 add_cflags $extra_cflags
2359 add_cxxflags $extra_cxxflags
2360 add_asflags $extra_cflags
2361
2362 if test -n "$sysroot"; then
2363     case "$cc_type" in
2364         gcc|llvm_gcc|clang)
2365             add_cppflags --sysroot="$sysroot"
2366             add_ldflags --sysroot="$sysroot"
2367         ;;
2368         tms470)
2369             add_cppflags -I"$sysinclude"
2370             add_ldflags  --sysroot="$sysroot"
2371         ;;
2372     esac
2373 fi
2374
2375 if test "$cpu" = host; then
2376     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2377
2378     case "$cc_type" in
2379         gcc|llvm_gcc)
2380             check_native(){
2381                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2382                 sed -n "/cc1.*$1=/{
2383                             s/.*$1=\\([^ ]*\\).*/\\1/
2384                             p
2385                             q
2386                         }" $TMPE
2387             }
2388             cpu=$(check_native -march || check_native -mcpu)
2389         ;;
2390     esac
2391
2392     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2393 fi
2394
2395 # Deal with common $arch aliases
2396 case "$arch" in
2397     arm*|iPad*)
2398         arch="arm"
2399     ;;
2400     mips|mipsel|IP*)
2401         arch="mips"
2402     ;;
2403     mips64*)
2404         arch="mips"
2405         subarch="mips64"
2406     ;;
2407     parisc|hppa)
2408         arch="parisc"
2409     ;;
2410     parisc64|hppa64)
2411         arch="parisc"
2412         subarch="parisc64"
2413     ;;
2414     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2415         arch="ppc"
2416     ;;
2417     s390|s390x)
2418         arch="s390"
2419     ;;
2420     sh4|sh)
2421         arch="sh4"
2422     ;;
2423     sun4u|sparc64)
2424         arch="sparc"
2425         subarch="sparc64"
2426     ;;
2427     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2428         arch="x86"
2429     ;;
2430 esac
2431
2432 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2433 enable $arch
2434
2435 # Add processor-specific flags
2436 if test "$cpu" = generic; then
2437     : do nothing
2438 elif enabled ppc; then
2439
2440     case $(tolower $cpu) in
2441         601|ppc601|powerpc601)
2442             cpuflags="-mcpu=601"
2443             disable altivec
2444         ;;
2445         603*|ppc603*|powerpc603*)
2446             cpuflags="-mcpu=603"
2447             disable altivec
2448         ;;
2449         604*|ppc604*|powerpc604*)
2450             cpuflags="-mcpu=604"
2451             disable altivec
2452         ;;
2453         g3|75*|ppc75*|powerpc75*)
2454             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2455             disable altivec
2456         ;;
2457         g4|745*|ppc745*|powerpc745*)
2458             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2459         ;;
2460         74*|ppc74*|powerpc74*)
2461             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2462         ;;
2463         g5|970|ppc970|powerpc970|power4*)
2464             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2465         ;;
2466         cell)
2467             cpuflags="-mcpu=cell"
2468             enable ldbrx
2469         ;;
2470         e500v2)
2471             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2472             disable altivec
2473         ;;
2474         e500)
2475             cpuflags="-mcpu=8540 -mhard-float"
2476             disable altivec
2477         ;;
2478     esac
2479
2480 elif enabled x86; then
2481
2482     case $cpu in
2483         i[345]86|pentium)
2484             cpuflags="-march=$cpu"
2485             disable mmx
2486         ;;
2487         # targets that do NOT support conditional mov (cmov)
2488         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2489             cpuflags="-march=$cpu"
2490             disable cmov
2491         ;;
2492         # targets that do support conditional mov (cmov)
2493         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2494             cpuflags="-march=$cpu"
2495             enable cmov
2496             enable fast_cmov
2497         ;;
2498         # targets that do support conditional mov but on which it's slow
2499         pentium4|pentium4m|prescott|nocona)
2500             cpuflags="-march=$cpu"
2501             enable cmov
2502             disable fast_cmov
2503         ;;
2504     esac
2505
2506 elif enabled sparc; then
2507
2508     case $cpu in
2509         niagara)
2510             cpuflags="-mcpu=$cpu"
2511             disable vis
2512         ;;
2513         sparc64)
2514             cpuflags="-mcpu=v9"
2515         ;;
2516     esac
2517
2518 elif enabled arm; then
2519
2520     case $cpu in
2521         armv*)
2522             cpuflags="-march=$cpu"
2523             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2524         ;;
2525         *)
2526             cpuflags="-mcpu=$cpu"
2527             case $cpu in
2528                 cortex-a*)                               subarch=armv7a  ;;
2529                 cortex-r*)                               subarch=armv7r  ;;
2530                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2531                 arm11*)                                  subarch=armv6   ;;
2532                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2533                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2534             esac
2535         ;;
2536     esac
2537
2538 elif enabled alpha; then
2539
2540     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2541
2542 elif enabled bfin; then
2543
2544     cpuflags="-mcpu=$cpu"
2545
2546 elif enabled mips; then
2547
2548     cpuflags="-march=$cpu"
2549
2550 elif enabled avr32; then
2551
2552     case $cpu in
2553         ap7[02]0[0-2])
2554             subarch="avr32_ap"
2555             cpuflags="-mpart=$cpu"
2556         ;;
2557         ap)
2558             subarch="avr32_ap"
2559             cpuflags="-march=$cpu"
2560         ;;
2561         uc3[ab]*)
2562             subarch="avr32_uc"
2563             cpuflags="-mcpu=$cpu"
2564         ;;
2565         uc)
2566             subarch="avr32_uc"
2567             cpuflags="-march=$cpu"
2568         ;;
2569     esac
2570
2571 fi
2572
2573 add_cflags $cpuflags
2574 add_asflags $cpuflags
2575
2576 # compiler sanity check
2577 check_exec <<EOF
2578 int main(void){ return 0; }
2579 EOF
2580 if test "$?" != 0; then
2581     echo "$cc is unable to create an executable file."
2582     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2583         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2584         echo "Only do this if you know what cross compiling means."
2585     fi
2586     die "C compiler test failed."
2587 fi
2588
2589 add_cppflags -D_ISOC99_SOURCE
2590 add_cxxflags -D__STDC_CONSTANT_MACROS
2591 check_cflags -std=c99
2592 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2593 #include <stdlib.h>
2594 EOF
2595 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2596 #include <stdlib.h>
2597 EOF
2598
2599 check_host_cflags -std=c99
2600 check_host_cflags -Wall
2601
2602 case "$arch" in
2603     alpha|ia64|mips|parisc|sparc)
2604         spic=$shared
2605     ;;
2606     x86)
2607         subarch="x86_32"
2608         check_cc <<EOF && subarch="x86_64"
2609         int test[(int)sizeof(char*) - 7];
2610 EOF
2611         if test "$subarch" = "x86_64"; then
2612             spic=$shared
2613         fi
2614     ;;
2615     ppc)
2616         check_cc <<EOF && subarch="ppc64"
2617         int test[(int)sizeof(char*) - 7];
2618 EOF
2619     ;;
2620 esac
2621
2622 enable $subarch
2623 enabled spic && enable pic
2624
2625 # OS specific
2626 case $target_os in
2627     haiku)
2628         prefix_default="/boot/common"
2629         network_extralibs="-lnetwork"
2630         host_libs=
2631         ;;
2632     sunos)
2633         FFSERVERLDFLAGS=""
2634         SHFLAGS='-shared -Wl,-h,$$(@F)'
2635         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2636         network_extralibs="-lsocket -lnsl"
2637         add_cppflags -D__EXTENSIONS__
2638         # When using suncc to build, the Solaris linker will mark
2639         # an executable with each instruction set encountered by
2640         # the Solaris assembler.  As our libraries contain their own
2641         # guards for processor-specific code, instead suppress
2642         # generation of the HWCAPS ELF section on Solaris x86 only.
2643         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2644         nm_opts='-P -g'
2645         ;;
2646     netbsd)
2647         disable symver
2648         oss_indev_extralibs="-lossaudio"
2649         oss_outdev_extralibs="-lossaudio"
2650         ;;
2651     openbsd)
2652         enable malloc_aligned
2653         # On OpenBSD 4.5. the compiler does not use PIC unless
2654         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2655         # however the generated executable will not do anything
2656         # (simply quits with exit-code 1, no crash, no output).
2657         # Thus explicitly enable PIC here.
2658         enable pic
2659         disable symver
2660         SHFLAGS='-shared'
2661         oss_indev_extralibs="-lossaudio"
2662         oss_outdev_extralibs="-lossaudio"
2663         ;;
2664     dragonfly)
2665         enable malloc_aligned
2666         disable symver
2667         ;;
2668     freebsd)
2669         enable malloc_aligned
2670         ;;
2671     bsd/os)
2672         add_extralibs -lpoll -lgnugetopt
2673         strip="strip -d"
2674         ;;
2675     darwin)
2676         enable malloc_aligned
2677         gas="gas-preprocessor.pl $cc"
2678         enabled ppc && add_asflags -force_cpusubtype_ALL
2679         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2680         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2681         strip="${strip} -x"
2682         add_ldflags -Wl,-dynamic,-search_paths_first
2683         SLIBSUF=".dylib"
2684         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2685         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2686         FFSERVERLDFLAGS=-Wl,-bind_at_load
2687         objformat="macho"
2688         enabled x86_64 && objformat="macho64"
2689         enabled_any pic shared ||
2690             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2691         ;;
2692     mingw32*)
2693         if test $target_os = "mingw32ce"; then
2694             disable network
2695         else
2696             target_os=mingw32
2697         fi
2698         LIBTARGET=i386
2699         if enabled x86_64; then
2700             enable malloc_aligned
2701             LIBTARGET=x64
2702         elif enabled arm; then
2703             LIBTARGET=arm-wince
2704         fi
2705         shlibdir_default="$bindir_default"
2706         SLIBPREF=""
2707         SLIBSUF=".dll"
2708         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2709         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2710         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2711         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2712         SLIB_INSTALL_LINKS=
2713         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2714         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2715         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'
2716         objformat="win32"
2717         enable dos_paths
2718         check_cflags -fno-common
2719         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2720                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2721                 die "ERROR: MinGW runtime version must be >= 3.15."
2722         add_cppflags -U__STRICT_ANSI__
2723         ;;
2724     cygwin*)
2725         target_os=cygwin
2726         shlibdir_default="$bindir_default"
2727         SLIBPREF="cyg"
2728         SLIBSUF=".dll"
2729         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2730         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2731         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2732         objformat="win32"
2733         enable dos_paths
2734         check_cflags -fno-common
2735         add_cppflags -U__STRICT_ANSI__
2736         ;;
2737     *-dos|freedos|opendos)
2738         network_extralibs="-lsocket"
2739         objformat="coff"
2740         enable dos_paths
2741         add_cppflags -U__STRICT_ANSI__
2742         ;;
2743     linux)
2744         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2745         enable dv1394
2746         ;;
2747     irix*)
2748         target_os=irix
2749         ranlib="echo ignoring ranlib"
2750         ;;
2751     os/2*)
2752         strip="lxlite -CS"
2753         ln_s="cp -f"
2754         objformat="aout"
2755         add_cppflags -D_GNU_SOURCE
2756         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2757         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2758         FFSERVERLDFLAGS=""
2759         LIBSUF="_s.a"
2760         SLIBPREF=""
2761         SLIBSUF=".dll"
2762         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2763         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2764         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2765           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2766           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2767           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2768           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2769           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2770         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2771           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2772         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2773         enable dos_paths
2774         enable_weak os2threads
2775         ;;
2776     gnu/kfreebsd)
2777         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2778         ;;
2779     gnu)
2780         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2781         ;;
2782     qnx)
2783         add_cppflags -D_QNX_SOURCE
2784         network_extralibs="-lsocket"
2785         ;;
2786     symbian)
2787         SLIBSUF=".dll"
2788         enable dos_paths
2789         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2790         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2791         add_ldflags -Wl,--target1-abs,--no-undefined \
2792                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2793                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2794         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2795                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2796                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2797         ;;
2798     none)
2799         ;;
2800     *)
2801         die "Unknown OS '$target_os'."
2802         ;;
2803 esac
2804
2805 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2806
2807 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2808
2809 set_default $PATHS_LIST
2810
2811 # we need to build at least one lib type
2812 if ! enabled_any static shared; then
2813     cat <<EOF
2814 At least one library type must be built.
2815 Specify --enable-static to build the static libraries or --enable-shared to
2816 build the shared libraries as well. To only build the shared libraries specify
2817 --disable-static in addition to --enable-shared.
2818 EOF
2819     exit 1;
2820 fi
2821
2822 die_license_disabled() {
2823     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2824 }
2825
2826 die_license_disabled gpl libcdio
2827 die_license_disabled gpl libutvideo
2828 die_license_disabled gpl libx264
2829 die_license_disabled gpl libxavs
2830 die_license_disabled gpl libxvid
2831 die_license_disabled gpl x11grab
2832
2833 die_license_disabled nonfree libaacplus
2834 die_license_disabled nonfree libfaac
2835 die_license_disabled nonfree openssl
2836
2837 die_license_disabled version3 libopencore_amrnb
2838 die_license_disabled version3 libopencore_amrwb
2839 die_license_disabled version3 libvo_aacenc
2840 die_license_disabled version3 libvo_amrwbenc
2841
2842 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2843
2844 disabled optimizations || check_cflags -fomit-frame-pointer
2845
2846 enable_pic() {
2847     enable pic
2848     add_cppflags -DPIC
2849     add_cflags   -fPIC
2850     add_asflags  -fPIC
2851 }
2852
2853 enabled pic && enable_pic
2854
2855 check_cc <<EOF || die "Symbol mangling check failed."
2856 int ff_extern;
2857 EOF
2858 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2859 extern_prefix=${sym%%ff_extern*}
2860
2861 check_cc <<EOF && enable inline_asm
2862 void foo(void) { __asm__ volatile ("" ::); }
2863 EOF
2864
2865 _restrict=
2866 for restrict_keyword in restrict __restrict__ __restrict; do
2867     check_cc <<EOF && _restrict=$restrict_keyword && break
2868 void foo(char * $restrict_keyword p);
2869 EOF
2870 done
2871
2872 check_cc <<EOF && enable attribute_packed
2873 struct { int x; } __attribute__((packed)) x;
2874 EOF
2875
2876 check_cc <<EOF && enable attribute_may_alias
2877 union { int x; } __attribute__((may_alias)) x;
2878 EOF
2879
2880 check_cc <<EOF || die "endian test failed"
2881 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2882 EOF
2883 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2884
2885 if enabled alpha; then
2886
2887     check_cflags -mieee
2888
2889 elif enabled arm; then
2890
2891     enabled thumb && check_cflags -mthumb || check_cflags -marm
2892     nogas=die
2893
2894     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2895         enable vfp_args
2896     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2897         case "${cross_prefix:-$cc}" in
2898             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2899             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2900 __asm__ (".eabi_attribute 28, 1");
2901 int main(void) { return 0; }
2902 EOF
2903         esac
2904         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2905     fi
2906
2907     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2908     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2909     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2910     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2911     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2912     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2913
2914     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2915
2916     enabled_all armv6t2 shared !pic && enable_pic
2917
2918 elif enabled mips; then
2919
2920     check_asm loongson '"dmult.g $1, $2, $3"'
2921     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2922
2923 elif enabled ppc; then
2924
2925     enable local_aligned_8 local_aligned_16
2926
2927     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2928     check_asm ibm_asm   '"add 0, 0, 0"'
2929     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2930     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2931
2932     # AltiVec flags: The FSF version of GCC differs from the Apple version
2933     if enabled altivec; then
2934         nogas=warn
2935         check_cflags -maltivec -mabi=altivec &&
2936         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2937         check_cflags -faltivec
2938
2939         # check if our compiler supports Motorola AltiVec C API
2940         check_cc <<EOF || disable altivec
2941 $inc_altivec_h
2942 int main(void) {
2943     vector signed int v1, v2, v3;
2944     v1 = vec_add(v2,v3);
2945     return 0;
2946 }
2947 EOF
2948
2949         # check if our compiler supports braces for vector declarations
2950         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2951 $inc_altivec_h
2952 int main (void) { (vector int) {1}; return 0; }
2953 EOF
2954     fi
2955
2956 elif enabled sparc; then
2957
2958     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2959         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2960
2961 elif enabled x86; then
2962
2963     enable local_aligned_8 local_aligned_16
2964
2965     # check whether EBP is available on x86
2966     # As 'i' is stored on the stack, this program will crash
2967     # if the base pointer is used to access it because the
2968     # base pointer is cleared in the inline assembly code.
2969     check_exec_crash <<EOF && enable ebp_available
2970     volatile int i=0;
2971     __asm__ volatile (
2972         "xorl %%ebp, %%ebp"
2973     ::: "%ebp");
2974     return i;
2975 EOF
2976
2977     # check whether EBX is available on x86
2978     check_asm ebx_available '""::"b"(0)' &&
2979         check_asm ebx_available '"":::"%ebx"'
2980
2981     # check whether xmm clobbers are supported
2982     check_asm xmm_clobbers '"":::"%xmm0"'
2983
2984     # check whether binutils is new enough to compile SSSE3/MMX2
2985     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2986     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2987
2988     if ! disabled_any asm mmx yasm; then
2989         if check_cmd $yasmexe --version; then
2990             enabled x86_64 && yasm_extra="-m amd64"
2991             yasm_debug="-g dwarf2"
2992         elif check_cmd nasm -v; then
2993             yasmexe=nasm
2994             yasm_debug="-g -F dwarf"
2995             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2996         fi
2997
2998         YASMFLAGS="-f $objformat $yasm_extra"
2999         enabled pic               && append YASMFLAGS "-DPIC"
3000         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3001         case "$objformat" in
3002             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3003         esac
3004
3005         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3006             die "yasm not found, use --disable-yasm for a crippled build"
3007         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3008     fi
3009
3010     case "$cpu" in
3011         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3012             disable fast_clz
3013         ;;
3014     esac
3015
3016 fi
3017
3018 if enabled asm; then
3019     as=${gas:=$as}
3020     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3021         $nogas "GNU assembler not found, install gas-preprocessor"
3022 fi
3023
3024 check_ldflags -Wl,--as-needed
3025
3026 if check_func dlopen; then
3027     ldl=
3028 elif check_func dlopen -ldl; then
3029     ldl=-ldl
3030 fi
3031
3032 if enabled network; then
3033     check_type "sys/types.h sys/socket.h" socklen_t
3034     check_type netdb.h "struct addrinfo"
3035     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3036     check_type netinet/in.h "struct sockaddr_in6"
3037     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3038     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3039     # Prefer arpa/inet.h over winsock2
3040     if check_header arpa/inet.h ; then
3041         check_func closesocket
3042     elif check_header winsock2.h ; then
3043         check_func_headers winsock2.h closesocket -lws2 && \
3044             network_extralibs="-lws2" || \
3045         { check_func_headers winsock2.h closesocket -lws2_32 && \
3046             network_extralibs="-lws2_32"; }
3047         check_type ws2tcpip.h socklen_t
3048         check_type ws2tcpip.h "struct addrinfo"
3049         check_type ws2tcpip.h "struct ipv6_mreq"
3050         check_type ws2tcpip.h "struct sockaddr_in6"
3051         check_type ws2tcpip.h "struct sockaddr_storage"
3052         check_struct winsock2.h "struct sockaddr" sa_len
3053     else
3054         disable network
3055     fi
3056 fi
3057
3058 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3059 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3060
3061 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3062 check_func  fcntl
3063 check_func  fork
3064 check_func  getaddrinfo $network_extralibs
3065 check_func  gethrtime
3066 check_func  getrusage
3067 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3068 check_func  inet_aton $network_extralibs
3069 check_func  isatty
3070 check_func  localtime_r
3071 check_func  ${malloc_prefix}memalign            && enable memalign
3072 check_func  mkstemp
3073 check_func  mmap
3074 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3075 check_func  setrlimit
3076 check_func  strerror_r
3077 check_func  strptime
3078 check_func  sched_getaffinity
3079 check_func  sysconf
3080 check_func  sysctl
3081 check_func_headers conio.h kbhit
3082 check_func_headers windows.h PeekNamedPipe
3083 check_func_headers io.h setmode
3084 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3085 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3086 check_func_headers windows.h GetProcessAffinityMask
3087 check_func_headers windows.h GetProcessTimes
3088 check_func_headers windows.h MapViewOfFile
3089 check_func_headers windows.h VirtualAlloc
3090 check_func_headers glob.h glob
3091
3092 check_header dlfcn.h
3093 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3094 check_header libcrystalhd/libcrystalhd_if.h
3095 check_header malloc.h
3096 check_header poll.h
3097 check_header sys/mman.h
3098 check_header sys/param.h
3099 check_header sys/resource.h
3100 check_header sys/select.h
3101 check_header termios.h
3102 check_header vdpau/vdpau.h
3103 check_header vdpau/vdpau_x11.h
3104 check_header X11/extensions/XvMClib.h
3105 check_header asm/types.h
3106
3107 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3108 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3109
3110 # check for VDA header
3111 if ! disabled vda; then
3112     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3113         enable vda
3114         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3115     fi
3116 fi
3117
3118 if ! disabled w32threads && ! enabled pthreads; then
3119     check_func _beginthreadex && enable w32threads
3120 fi
3121
3122 # check for some common methods of building with pthread support
3123 # do this before the optional library checks as some of them require pthreads
3124 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3125     enable pthreads
3126     if check_func pthread_create; then
3127         :
3128     elif check_func pthread_create -pthread; then
3129         add_cflags -pthread
3130         add_extralibs -pthread
3131     elif check_func pthread_create -pthreads; then
3132         add_cflags -pthreads
3133         add_extralibs -pthreads
3134     elif check_func pthread_create -lpthreadGC2; then
3135         add_extralibs -lpthreadGC2
3136     elif ! check_lib pthread.h pthread_create -lpthread; then
3137         disable pthreads
3138     fi
3139 fi
3140
3141 for thread in $THREADS_LIST; do
3142     if enabled $thread; then
3143         test -n "$thread_type" &&
3144             die "ERROR: Only one thread type must be selected." ||
3145             thread_type="$thread"
3146     fi
3147 done
3148
3149 check_lib math.h sin -lm && LIBM="-lm"
3150 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3151 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3152
3153 check_mathfunc cbrtf
3154 check_mathfunc exp2
3155 check_mathfunc exp2f
3156 check_mathfunc llrint
3157 check_mathfunc llrintf
3158 check_mathfunc log2
3159 check_mathfunc log2f
3160 check_mathfunc lrint
3161 check_mathfunc lrintf
3162 check_mathfunc round
3163 check_mathfunc roundf
3164 check_mathfunc trunc
3165 check_mathfunc truncf
3166
3167 # these are off by default, so fail if requested and not available
3168 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3169 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3170 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3171 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3172 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3173 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3174 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3175 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3176                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3177                         die "ERROR: libcelt version must be >= 0.11.0."; }
3178 enabled libdirac   && require_pkg_config dirac                          \
3179     "libdirac_decoder/dirac_parser.h"  \
3180     "dirac_decoder_init"
3181 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3182 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3183 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3184 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3185 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3186 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3187 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3188 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3189 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3190 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3191 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3192 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3193 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3194 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3195 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3196     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3197     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3198 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3199 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3200 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3201 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3202 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3203 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3204 enabled libvpx     && {
3205     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3206                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3207     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3208                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3209 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3210                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3211                         die "ERROR: libx264 version must be >= 0.118."; }
3212 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3213 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3214 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3215                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3216                         die "ERROR: openal not found"; } &&
3217                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3218                         die "ERROR: openal version must be 1.1 or compatible"; }
3219 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3220                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3221                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3222                         die "ERROR: openssl not found"; }
3223
3224 # libdc1394 check
3225 if enabled libdc1394; then
3226     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3227         enable libdc1394_2; } ||
3228     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3229         enable libdc1394_1; } ||
3230     die "ERROR: No version of libdc1394 found "
3231 fi
3232
3233 SDL_CONFIG="${cross_prefix}sdl-config"
3234 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3235     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3236     enable sdl &&
3237     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3238 else
3239   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3240     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3241     sdl_libs=$("${SDL_CONFIG}" --libs)
3242     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3243     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3244     enable sdl &&
3245     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3246   fi
3247 fi
3248 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3249
3250 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3251 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3252
3253 check_header linux/fb.h
3254 check_header linux/videodev.h
3255 check_header linux/videodev2.h
3256 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3257
3258 check_header sys/videoio.h
3259
3260 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3261 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3262 # w32api 3.12 had it defined wrong
3263 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3264
3265 check_type "dshow.h" IBaseFilter
3266
3267 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3268 { check_header dev/bktr/ioctl_meteor.h &&
3269   check_header dev/bktr/ioctl_bt848.h; } ||
3270 { check_header machine/ioctl_meteor.h &&
3271   check_header machine/ioctl_bt848.h; } ||
3272 { check_header dev/video/meteor/ioctl_meteor.h &&
3273   check_header dev/video/bktr/ioctl_bt848.h; } ||
3274 check_header dev/ic/bt8xx.h
3275
3276 check_header sndio.h
3277 if check_struct sys/soundcard.h audio_buf_info bytes; then
3278     enable_safe sys/soundcard.h
3279 else
3280     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3281     #include <sys/soundcard.h>
3282     audio_buf_info abc;
3283 EOF
3284 fi
3285 check_header soundcard.h
3286
3287 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3288
3289 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3290
3291 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3292
3293 enabled libcdio &&
3294     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3295
3296 enabled x11grab                                           &&
3297 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3298 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3299 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3300
3301 if ! disabled vaapi; then
3302     check_lib va/va.h vaInitialize -lva && {
3303         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3304         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3305     } || disable vaapi
3306 fi
3307
3308 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3309 check_cpp_condition \
3310     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3311     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3312       disable vdpau; }
3313 fi
3314
3315 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3316 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3317 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"
3318
3319 # add some useful compiler flags if supported
3320 check_cflags -Wdeclaration-after-statement
3321 check_cflags -Wall
3322 check_cflags -Wno-parentheses
3323 check_cflags -Wno-switch
3324 check_cflags -Wno-format-zero-length
3325 check_cflags -Wdisabled-optimization
3326 check_cflags -Wpointer-arith
3327 check_cflags -Wredundant-decls
3328 check_cflags -Wno-pointer-sign
3329 check_cflags -Wcast-qual
3330 check_cflags -Wwrite-strings
3331 check_cflags -Wtype-limits
3332 check_cflags -Wundef
3333 check_cflags -Wmissing-prototypes
3334 check_cflags -Wno-pointer-to-int-cast
3335 check_cflags -Wstrict-prototypes
3336 enabled extra_warnings && check_cflags -Winline
3337
3338 # add some linker flags
3339 check_ldflags -Wl,--warn-common
3340 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3341 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3342
3343 enabled xmm_clobber_test &&                             \
3344     check_ldflags -Wl,--wrap,avcodec_open2              \
3345                   -Wl,--wrap,avcodec_decode_audio4      \
3346                   -Wl,--wrap,avcodec_decode_video2      \
3347                   -Wl,--wrap,avcodec_decode_subtitle2   \
3348                   -Wl,--wrap,avcodec_encode_audio2      \
3349                   -Wl,--wrap,avcodec_encode_video       \
3350                   -Wl,--wrap,avcodec_encode_subtitle    \
3351                   -Wl,--wrap,sws_scale ||               \
3352     disable xmm_clobber_test
3353
3354 echo "X{};" > $TMPV
3355 if test_ldflags -Wl,--version-script,$TMPV; then
3356     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3357     check_cc <<EOF && enable symver_asm_label
3358 void ff_foo(void) __asm__ ("av_foo@VERSION");
3359 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3360 EOF
3361     check_cc <<EOF && enable symver_gnu_asm
3362 __asm__(".symver ff_foo,av_foo@VERSION");
3363 void ff_foo(void) {}
3364 EOF
3365 fi
3366
3367 if [ -n "$optflags" ]; then
3368     add_cflags $optflags
3369 elif enabled small; then
3370     add_cflags $size_cflags
3371 elif enabled optimizations; then
3372     add_cflags $speed_cflags
3373 else
3374     add_cflags $noopt_cflags
3375 fi
3376 check_cflags -fno-math-errno
3377 check_cflags -fno-signed-zeros
3378 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3379 int x;
3380 EOF
3381
3382
3383 if enabled icc; then
3384     # Just warnings, no remarks
3385     check_cflags -w1
3386     # -wd: Disable following warnings
3387     # 144, 167, 556: -Wno-pointer-sign
3388     # 1292: attribute "foo" ignored
3389     # 10006: ignoring unknown option -fno-signed-zeros
3390     # 10148: ignoring unknown option -Wno-parentheses
3391     # 10156: ignoring option '-W'; no argument required
3392     check_cflags -wd144,167,556,1292,10006,10148,10156
3393     # 11030: Warning unknown option --as-needed
3394     # 10156: ignoring option '-export'; no argument required
3395     check_ldflags -wd10156,11030
3396     # Allow to compile with optimizations
3397     check_ldflags -march=$cpu
3398     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3399     enable ebp_available
3400     if enabled x86_32; then
3401         test ${icc_version%%.*} -ge 11 && \
3402             check_cflags -falign-stack=maintain-16-byte || \
3403             disable aligned_stack
3404     fi
3405 elif enabled ccc; then
3406     # disable some annoying warnings
3407     add_cflags -msg_disable cvtu32to64
3408     add_cflags -msg_disable embedcomment
3409     add_cflags -msg_disable needconstext
3410     add_cflags -msg_disable nomainieee
3411     add_cflags -msg_disable ptrmismatch1
3412     add_cflags -msg_disable unreachcode
3413 elif enabled gcc; then
3414     check_cflags -fno-tree-vectorize
3415     check_cflags -Werror=implicit-function-declaration
3416     check_cflags -Werror=missing-prototypes
3417 elif enabled llvm_gcc; then
3418     check_cflags -mllvm -stack-alignment=16
3419 elif enabled clang; then
3420     check_cflags -mllvm -stack-alignment=16
3421     check_cflags -Qunused-arguments
3422 elif enabled armcc; then
3423     # 2523: use of inline assembler is deprecated
3424     add_cflags -W${armcc_opt},--diag_suppress=2523
3425     add_cflags -W${armcc_opt},--diag_suppress=1207
3426     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3427     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3428     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3429     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3430 elif enabled tms470; then
3431     add_cflags -pds=824 -pds=837
3432 elif enabled pathscale; then
3433     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3434 fi
3435
3436 enabled_any $THREADS_LIST      && enable threads
3437
3438 check_deps $CONFIG_LIST       \
3439            $CONFIG_EXTRA      \
3440            $HAVE_LIST         \
3441            $ALL_COMPONENTS    \
3442            $ALL_TESTS         \
3443
3444 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3445
3446 if test $target_os = "haiku"; then
3447     disable memalign
3448     disable posix_memalign
3449 fi
3450
3451 ! enabled_any memalign posix_memalign malloc_aligned &&
3452     enabled_any $need_memalign && enable memalign_hack
3453
3454 # add_dep lib dep
3455 # -> enable ${lib}_deps_${dep}
3456 # -> add $dep to ${lib}_deps only once
3457 add_dep() {
3458     lib=$1
3459     dep=$2
3460     enabled "${lib}_deps_${dep}" && return 0
3461     enable  "${lib}_deps_${dep}"
3462     prepend "${lib}_deps" $dep
3463 }
3464
3465 # merge deps lib components
3466 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3467 merge_deps() {
3468     lib=$1
3469     shift
3470     for comp in $*; do
3471         enabled $comp || continue
3472         eval "dep=\"\$${comp}_deps\""
3473         for d in $dep; do
3474             add_dep $lib $d
3475         done
3476     done
3477 }
3478
3479 merge_deps libavfilter $FILTER_LIST
3480
3481 echo "install prefix            $prefix"
3482 echo "source path               $source_path"
3483 echo "C compiler                $cc"
3484 echo "ARCH                      $arch ($cpu)"
3485 if test "$build_suffix" != ""; then
3486     echo "build suffix              $build_suffix"
3487 fi
3488 if test "$progs_suffix" != ""; then
3489     echo "progs suffix              $progs_suffix"
3490 fi
3491 if test "$extra_version" != ""; then
3492     echo "version string suffix     $extra_version"
3493 fi
3494 echo "big-endian                ${bigendian-no}"
3495 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3496 if enabled x86; then
3497     echo "${yasmexe}                      ${yasm-no}"
3498     echo "MMX enabled               ${mmx-no}"
3499     echo "MMX2 enabled              ${mmx2-no}"
3500     echo "3DNow! enabled            ${amd3dnow-no}"
3501     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3502     echo "SSE enabled               ${sse-no}"
3503     echo "SSSE3 enabled             ${ssse3-no}"
3504     echo "AVX enabled               ${avx-no}"
3505     echo "CMOV enabled              ${cmov-no}"
3506     echo "CMOV is fast              ${fast_cmov-no}"
3507     echo "EBX available             ${ebx_available-no}"
3508     echo "EBP available             ${ebp_available-no}"
3509 fi
3510 if enabled arm; then
3511     echo "ARMv5TE enabled           ${armv5te-no}"
3512     echo "ARMv6 enabled             ${armv6-no}"
3513     echo "ARMv6T2 enabled           ${armv6t2-no}"
3514     echo "ARM VFP enabled           ${armvfp-no}"
3515     echo "NEON enabled              ${neon-no}"
3516 fi
3517 if enabled mips; then
3518     echo "MMI enabled               ${mmi-no}"
3519 fi
3520 if enabled ppc; then
3521     echo "AltiVec enabled           ${altivec-no}"
3522     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3523     echo "dcbzl available           ${dcbzl-no}"
3524 fi
3525 if enabled sparc; then
3526     echo "VIS enabled               ${vis-no}"
3527 fi
3528 echo "debug symbols             ${debug-no}"
3529 echo "strip symbols             ${stripping-no}"
3530 echo "optimize for size         ${small-no}"
3531 echo "optimizations             ${optimizations-no}"
3532 echo "static                    ${static-no}"
3533 echo "shared                    ${shared-no}"
3534 echo "postprocessing support    ${postproc-no}"
3535 echo "new filter support        ${avfilter-no}"
3536 echo "network support           ${network-no}"
3537 echo "threading support         ${thread_type-no}"
3538 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3539 echo "SDL support               ${sdl-no}"
3540 echo "libdxva2 enabled          ${dxva2-no}"
3541 echo "libva enabled             ${vaapi-no}"
3542 echo "libvdpau enabled          ${vdpau-no}"
3543 echo "AVISynth enabled          ${avisynth-no}"
3544 echo "frei0r enabled            ${frei0r-no}"
3545 echo "gnutls enabled            ${gnutls-no}"
3546 echo "libaacplus enabled        ${libaacplus-no}"
3547 echo "libass enabled            ${libass-no}"
3548 echo "libcdio support           ${libcdio-no}"
3549 echo "libcelt enabled           ${libcelt-no}"
3550 echo "libdc1394 support         ${libdc1394-no}"
3551 echo "libdirac enabled          ${libdirac-no}"
3552 echo "libfaac enabled           ${libfaac-no}"
3553 echo "libgsm enabled            ${libgsm-no}"
3554 echo "libmodplug enabled        ${libmodplug-no}"
3555 echo "libmp3lame enabled        ${libmp3lame-no}"
3556 echo "libnut enabled            ${libnut-no}"
3557 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3558 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3559 echo "libopencv support         ${libopencv-no}"
3560 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3561 echo "libpulse enabled          ${libpulse-no}"
3562 echo "librtmp enabled           ${librtmp-no}"
3563 echo "libschroedinger enabled   ${libschroedinger-no}"
3564 echo "libspeex enabled          ${libspeex-no}"
3565 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3566 echo "libtheora enabled         ${libtheora-no}"
3567 echo "libutvideo enabled        ${libutvideo-no}"
3568 echo "libv4l2 enabled           ${libv4l2-no}"
3569 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3570 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3571 echo "libvorbis enabled         ${libvorbis-no}"
3572 echo "libvpx enabled            ${libvpx-no}"
3573 echo "libx264 enabled           ${libx264-no}"
3574 echo "libxavs enabled           ${libxavs-no}"
3575 echo "libxvid enabled           ${libxvid-no}"
3576 echo "openal enabled            ${openal-no}"
3577 echo "openssl enabled           ${openssl-no}"
3578 echo "zlib enabled              ${zlib-no}"
3579 echo "bzlib enabled             ${bzlib-no}"
3580 echo
3581
3582 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3583     echo "Enabled ${type}s:"
3584     eval list=\$$(toupper $type)_LIST
3585     print_enabled '_*' $list | sort | pr -r -3 -t
3586     echo
3587 done
3588
3589 license="LGPL version 2.1 or later"
3590 if enabled nonfree; then
3591     license="nonfree and unredistributable"
3592 elif enabled gplv3; then
3593     license="GPL version 3 or later"
3594 elif enabled lgplv3; then
3595     license="LGPL version 3 or later"
3596 elif enabled gpl; then
3597     license="GPL version 2 or later"
3598 fi
3599
3600 echo "License: $license"
3601
3602 echo "Creating config.mak and config.h..."
3603
3604 test -e Makefile || $ln_s "$source_path/Makefile" .
3605
3606 enabled stripping || strip="echo skipping strip"
3607
3608 config_files="$TMPH config.mak"
3609
3610 cat > config.mak <<EOF
3611 # Automatically generated by configure - do not modify!
3612 ifndef FFMPEG_CONFIG_MAK
3613 FFMPEG_CONFIG_MAK=1
3614 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3615 prefix=$prefix
3616 LIBDIR=\$(DESTDIR)$libdir
3617 SHLIBDIR=\$(DESTDIR)$shlibdir
3618 INCDIR=\$(DESTDIR)$incdir
3619 BINDIR=\$(DESTDIR)$bindir
3620 DATADIR=\$(DESTDIR)$datadir
3621 MANDIR=\$(DESTDIR)$mandir
3622 SRC_PATH=$source_path
3623 ifndef MAIN_MAKEFILE
3624 SRC_PATH:=\$(SRC_PATH:.%=..%)
3625 endif
3626 CC_IDENT=$cc_ident
3627 ARCH=$arch
3628 CC=$cc
3629 CXX=$cxx
3630 AS=$as
3631 LD=$ld
3632 DEPCC=$dep_cc
3633 YASM=$yasmexe
3634 YASMDEP=$yasmexe
3635 AR=$ar
3636 RANLIB=$ranlib
3637 CP=cp -p
3638 LN_S=$ln_s
3639 STRIP=$strip
3640 CPPFLAGS=$CPPFLAGS
3641 CFLAGS=$CFLAGS
3642 CXXFLAGS=$CXXFLAGS
3643 ASFLAGS=$ASFLAGS
3644 AS_O=$CC_O
3645 CC_O=$CC_O
3646 CXX_O=$CXX_O
3647 LDFLAGS=$LDFLAGS
3648 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3649 SHFLAGS=$SHFLAGS
3650 YASMFLAGS=$YASMFLAGS
3651 BUILDSUF=$build_suffix
3652 PROGSSUF=$progs_suffix
3653 FULLNAME=$FULLNAME
3654 LIBPREF=$LIBPREF
3655 LIBSUF=$LIBSUF
3656 LIBNAME=$LIBNAME
3657 SLIBPREF=$SLIBPREF
3658 SLIBSUF=$SLIBSUF
3659 EXESUF=$EXESUF
3660 EXTRA_VERSION=$extra_version
3661 DEPFLAGS=$DEPFLAGS
3662 CCDEP=$CCDEP
3663 CXXDEP=$CXXDEP
3664 ASDEP=$ASDEP
3665 CC_DEPFLAGS=$CC_DEPFLAGS
3666 AS_DEPFLAGS=$AS_DEPFLAGS
3667 HOSTCC=$host_cc
3668 HOSTCFLAGS=$host_cflags
3669 HOSTEXESUF=$HOSTEXESUF
3670 HOSTLDFLAGS=$host_ldflags
3671 HOSTLIBS=$host_libs
3672 TARGET_EXEC=$target_exec
3673 TARGET_PATH=$target_path
3674 SDL_LIBS=$sdl_libs
3675 SDL_CFLAGS=$sdl_cflags
3676 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3677 EXTRALIBS=$extralibs
3678 INSTALL=$install
3679 LIBTARGET=${LIBTARGET}
3680 SLIBNAME=${SLIBNAME}
3681 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3682 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3683 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3684 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3685 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3686 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3687 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3688 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3689 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3690 NOREDZONE_FLAGS=$noredzone_flags
3691 EOF
3692
3693 get_version(){
3694     name=$1
3695     file=$source_path/$2
3696 # This condition will be removed when we stop supporting old libpostproc versions
3697 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3698     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3699     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3700 fi
3701     lcname=$(tolower $name)
3702     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3703     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3704 }
3705
3706 get_version LIBAVCODEC  libavcodec/version.h
3707 get_version LIBAVDEVICE libavdevice/avdevice.h
3708 get_version LIBAVFILTER libavfilter/version.h
3709 get_version LIBAVFORMAT libavformat/version.h
3710 get_version LIBAVUTIL   libavutil/avutil.h
3711 get_version LIBPOSTPROC libpostproc/postprocess.h
3712 get_version LIBSWRESAMPLE libswresample/swresample.h
3713 get_version LIBSWSCALE  libswscale/swscale.h
3714
3715 cat > $TMPH <<EOF
3716 /* Automatically generated by configure - do not modify! */
3717 #ifndef FFMPEG_CONFIG_H
3718 #define FFMPEG_CONFIG_H
3719 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3720 #define FFMPEG_LICENSE "$(c_escape $license)"
3721 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3722 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3723 #define CC_TYPE "$cc_type"
3724 #define CC_VERSION $cc_version
3725 #define restrict $_restrict
3726 #define EXTERN_PREFIX "${extern_prefix}"
3727 #define EXTERN_ASM ${extern_prefix}
3728 #define SLIBSUF "$SLIBSUF"
3729 EOF
3730
3731 test -n "$assert_level" &&
3732     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
3733
3734 test -n "$malloc_prefix" &&
3735     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3736
3737 if enabled small || disabled optimizations; then
3738     echo "#undef  av_always_inline"  >> $TMPH
3739     if enabled small; then
3740         echo "#define av_always_inline inline"  >> $TMPH
3741     else
3742         echo "#define av_always_inline av_unused"  >> $TMPH
3743     fi
3744 fi
3745
3746 if enabled yasm; then
3747     append config_files $TMPASM
3748     printf '' >$TMPASM
3749 fi
3750
3751 print_config ARCH_   "$config_files" $ARCH_LIST
3752 print_config HAVE_   "$config_files" $HAVE_LIST
3753 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3754                                      $CONFIG_EXTRA      \
3755                                      $ALL_COMPONENTS    \
3756
3757 cat >>config.mak <<EOF
3758 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3759 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3760 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3761 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3762 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3763 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3764 EOF
3765
3766 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3767 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3768
3769 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3770 cp_if_changed $TMPH config.h
3771 touch .config
3772
3773 enabled yasm && cp_if_changed $TMPASM config.asm
3774
3775 cat > $TMPH <<EOF
3776 /* Generated by ffconf */
3777 #ifndef AVUTIL_AVCONFIG_H
3778 #define AVUTIL_AVCONFIG_H
3779 EOF
3780
3781 test "$postproc_version" != current && cat >> $TMPH <<EOF
3782 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3783 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3784 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3785 EOF
3786
3787 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3788
3789 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3790
3791 cp_if_changed $TMPH libavutil/avconfig.h
3792
3793 test -n "$WARNINGS" && printf "\n$WARNINGS"
3794
3795 # build pkg-config files
3796
3797 pkgconfig_generate(){
3798 name=$1
3799 shortname=${name#lib}${build_suffix}
3800 comment=$2
3801 version=$3
3802 libs=$4
3803 requires=$5
3804 enabled ${name#lib} || return 0
3805 mkdir -p $name
3806 cat <<EOF > $name/$name.pc
3807 prefix=$prefix
3808 exec_prefix=\${prefix}
3809 libdir=$libdir
3810 includedir=$incdir
3811
3812 Name: $name
3813 Description: $comment
3814 Version: $version
3815 Requires: $(enabled shared || echo $requires)
3816 Requires.private: $(enabled shared && echo $requires)
3817 Conflicts:
3818 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3819 Libs.private: $(enabled shared && echo $libs)
3820 Cflags: -I\${includedir}
3821 EOF
3822 cat <<EOF > $name/$name-uninstalled.pc
3823 prefix=
3824 exec_prefix=
3825 libdir=\${pcfiledir}
3826 includedir=${source_path}
3827
3828 Name: $name
3829 Description: $comment
3830 Version: $version
3831 Requires: $requires
3832 Conflicts:
3833 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3834 Cflags: -I\${includedir}
3835 EOF
3836 }
3837
3838 libavfilter_pc_deps=""
3839 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3840 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3841 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3842 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3843 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3844 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3845
3846 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
3847 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
3848
3849 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3850 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3851 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3852 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
3853 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3854 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3855 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3856 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"