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 Standard options:
  63   --help                   print this message
  64   --logfile=FILE           log tests and output to FILE [config.log]
  65   --disable-logging        do not log configure debug information
  66   --prefix=PREFIX          install in PREFIX [$prefix]
  67   --bindir=DIR             install binaries in DIR [PREFIX/bin]
  68   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
  69   --libdir=DIR             install libs in DIR [PREFIX/lib]
  70   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
  71   --incdir=DIR             install includes in DIR [PREFIX/include]
  72   --mandir=DIR             install man page in DIR [PREFIX/share/man]
  73
  74 Configuration options:
  75   --disable-static         do not build static libraries [no]
  76   --enable-shared          build shared libraries [no]
  77   --enable-gpl             allow use of GPL code, the resulting libs
  78                            and binaries will be under GPL [no]
  79   --enable-version3        upgrade (L)GPL to version 3 [no]
  80   --enable-nonfree         allow use of nonfree code, the resulting libs
  81                            and binaries will be unredistributable [no]
  82   --disable-doc            do not build documentation
  83   --disable-ffmpeg         disable ffmpeg build
  84   --enable-avconv          enable  avconv build
  85   --disable-ffplay         disable ffplay build
  86   --disable-ffprobe        disable ffprobe build
  87   --disable-ffserver       disable ffserver build
  88   --disable-avdevice       disable libavdevice build
  89   --disable-avcodec        disable libavcodec build
  90   --disable-avformat       disable libavformat build
  91   --disable-swresample     disable libswresample build
  92   --disable-swscale        disable libswscale build
  93   --disable-postproc       disable libpostproc build
  94   --disable-avfilter       disable video filter support [no]
  95   --disable-pthreads       disable pthreads [auto]
  96   --disable-w32threads     disable Win32 threads [auto]
  97   --disable-os2threads     disable OS/2 threads [auto]
  98   --enable-x11grab         enable X11 grabbing [no]
  99   --disable-network        disable network support [no]
 100   --enable-gray            enable full grayscale support (slower color)
 101   --disable-swscale-alpha  disable alpha channel support in swscale
 102   --disable-fastdiv        disable table-based division
 103   --enable-small           optimize for size instead of speed
 104   --disable-aandct         disable AAN DCT code
 105   --disable-dct            disable DCT code
 106   --disable-fft            disable FFT code
 107   --disable-golomb         disable Golomb code
 108   --disable-huffman        disable Huffman code
 109   --disable-lpc            disable LPC code
 110   --disable-mdct           disable MDCT code
 111   --disable-rdft           disable RDFT code
 112   --enable-vaapi           enable VAAPI code [autodetect]
 113   --enable-vda             enable VDA code [autodetect]
 114   --enable-vdpau           enable VDPAU code [autodetect]
 115   --disable-dxva2          disable DXVA2 code
 116   --disable-vda            disable VDA code
 117   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
 118   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 119   --disable-safe-bitstream-reader
 120                            disable buffer boundary checking in bitreaders
 121                            (faster, but may crash)
 122   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 123   --disable-everything     disable all components listed below
 124   --disable-encoder=NAME   disable encoder NAME
 125   --enable-encoder=NAME    enable encoder NAME
 126   --disable-encoders       disable all encoders
 127   --disable-decoder=NAME   disable decoder NAME
 128   --enable-decoder=NAME    enable decoder NAME
 129   --disable-decoders       disable all decoders
 130   --disable-hwaccel=NAME   disable hwaccel NAME
 131   --enable-hwaccel=NAME    enable hwaccel NAME
 132   --disable-hwaccels       disable all hwaccels
 133   --disable-muxer=NAME     disable muxer NAME
 134   --enable-muxer=NAME      enable muxer NAME
 135   --disable-muxers         disable all muxers
 136   --disable-demuxer=NAME   disable demuxer NAME
 137   --enable-demuxer=NAME    enable demuxer NAME
 138   --disable-demuxers       disable all demuxers
 139   --enable-parser=NAME     enable parser NAME
 140   --disable-parser=NAME    disable parser NAME
 141   --disable-parsers        disable all parsers
 142   --enable-bsf=NAME        enable bitstream filter NAME
 143   --disable-bsf=NAME       disable bitstream filter NAME
 144   --disable-bsfs           disable all bitstream filters
 145   --enable-protocol=NAME   enable protocol NAME
 146   --disable-protocol=NAME  disable protocol NAME
 147   --disable-protocols      disable all protocols
 148   --disable-indev=NAME     disable input device NAME
 149   --disable-outdev=NAME    disable output device NAME
 150   --disable-indevs         disable input devices
 151   --disable-outdevs        disable output devices
 152   --disable-devices        disable all devices
 153   --enable-filter=NAME     enable filter NAME
 154   --disable-filter=NAME    disable filter NAME
 155   --disable-filters        disable all filters
 156   --list-decoders          show all available decoders
 157   --list-encoders          show all available encoders
 158   --list-hwaccels          show all available hardware accelerators
 159   --list-muxers            show all available muxers
 160   --list-demuxers          show all available demuxers
 161   --list-parsers           show all available parsers
 162   --list-protocols         show all available protocols
 163   --list-bsfs              show all available bitstream filters
 164   --list-indevs            show all available input devices
 165   --list-outdevs           show all available output devices
 166   --list-filters           show all available filters
 167
 168 External library support:
 169   --enable-avisynth        enable reading of AVISynth script files [no]
 170   --enable-bzlib           enable bzlib [autodetect]
 171   --enable-frei0r          enable frei0r video filtering
 172   --enable-gnutls          enable gnutls [no]
 173   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
 174   --enable-libass          enable libass subtitles rendering [no]
 175   --enable-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 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-mlib            enable Sun medialib [no]
 210   --enable-openssl         enable openssl [no]
 211   --enable-zlib            enable zlib [autodetect]
 212
 213 Advanced options (experts only):
 214   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
 215   --enable-cross-compile   assume a cross-compiler is used
 216   --sysroot=PATH           root of cross-build tree
 217   --sysinclude=PATH        location of cross-build system headers
 218   --target-os=OS           compiler targets OS [$target_os]
 219   --target-exec=CMD        command to run executables on target
 220   --target-path=DIR        path to view of build directory on target
 221   --nm=NM                  use nm tool
 222   --ar=AR                  use archive tool AR [$ar_default]
 223   --as=AS                  use assembler AS [$as_default]
 224   --cc=CC                  use C compiler CC [$cc_default]
 225   --cxx=CXX                use C compiler CXX [$cxx_default]
 226   --ld=LD                  use linker LD
 227   --host-cc=HOSTCC         use host C compiler HOSTCC
 228   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 229   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 230   --host-libs=HLIBS        use libs HLIBS when linking for host
 231   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$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 [$ELIBS]
 235   --extra-version=STRING   version string suffix []
 236   --build-suffix=SUFFIX    library name suffix []
 237   --progs-suffix=SUFFIX    program name suffix []
 238   --arch=ARCH              select architecture [$arch]
 239   --cpu=CPU                select the minimum required CPU (affects
 240                            instruction selection, may crash on older CPUs)
 241   --disable-asm            disable all assembler optimizations
 242   --disable-altivec        disable AltiVec optimizations
 243   --disable-amd3dnow       disable 3DNow! optimizations
 244   --disable-amd3dnowext    disable 3DNow! extended optimizations
 245   --disable-mmx            disable MMX optimizations
 246   --disable-mmx2           disable MMX2 optimizations
 247   --disable-sse            disable SSE optimizations
 248   --disable-ssse3          disable SSSE3 optimizations
 249   --disable-avx            disable AVX optimizations
 250   --disable-armv5te        disable armv5te optimizations
 251   --disable-armv6          disable armv6 optimizations
 252   --disable-armv6t2        disable armv6t2 optimizations
 253   --disable-armvfp         disable ARM VFP optimizations
 254   --disable-iwmmxt         disable iwmmxt optimizations
 255   --disable-mmi            disable MMI optimizations
 256   --disable-neon           disable neon optimizations
 257   --disable-vis            disable VIS optimizations
 258   --disable-yasm           disable use of yasm assembler
 259   --enable-pic             build position-independent code
 260   --malloc-prefix=PFX      prefix malloc and related names with PFX
 261   --enable-sram            allow use of on-chip SRAM
 262   --disable-symver         disable symbol versioning
 263   --optflags               override optimization-related compiler flags
 264
 265 Developer options (useful when working on FFmpeg itself):
 266   --enable-coverage        build with test coverage instrumentation
 267   --disable-debug          disable debugging symbols
 268   --enable-debug=LEVEL     set the debug level [$debuglevel]
 269   --disable-optimizations  disable compiler optimizations
 270   --enable-extra-warnings  enable more compiler warnings
 271   --disable-stripping      disable stripping of executables and shared libraries
 272   --samples=PATH           location of test samples for FATE, if not set use
 273                            \$FATE_SAMPLES at make invocation time.
 274
 275 NOTE: Object files are built at the place where configure is launched.
 276 EOF
 277   exit 0
 278 }
 279
 280 quotes='""'
 281
 282 log(){
 283     echo "$@" >> $logfile
 284 }
 285
 286 log_file(){
 287     log BEGIN $1
 288     pr -n -t $1 >> $logfile
 289     log END $1
 290 }
 291
 292 echolog(){
 293     log "$@"
 294     echo "$@"
 295 }
 296
 297 warn(){
 298     log "WARNING: $*"
 299     WARNINGS="${WARNINGS}WARNING: $*\n"
 300 }
 301
 302 die(){
 303     echolog "$@"
 304     cat <<EOF
 305
 306 If you think configure made a mistake, make sure you are using the latest
 307 version from Git.  If the latest version fails, report the problem to the
 308 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 309 EOF
 310     if disabled logging; then
 311         cat <<EOF
 312 Rerun configure with logging enabled (do not use --disable-logging), and
 313 include the log this produces with your report.
 314 EOF
 315     else
 316 cat <<EOF
 317 Include the log file "$logfile" produced by configure as this will help
 318 solving the problem.
 319 EOF
 320     fi
 321     exit 1
 322 }
 323
 324 # Avoid locale weirdness, besides we really just want to translate ASCII.
 325 toupper(){
 326     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 327 }
 328
 329 tolower(){
 330     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 331 }
 332
 333 c_escape(){
 334     echo "$*" | sed 's/["\\]/\\\0/g'
 335 }
 336
 337 sh_quote(){
 338     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 339     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 340     echo "$v"
 341 }
 342
 343 cleanws(){
 344     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 345 }
 346
 347 filter(){
 348     pat=$1
 349     shift
 350     for v; do
 351         eval "case $v in $pat) echo $v ;; esac"
 352     done
 353 }
 354
 355 filter_out(){
 356     pat=$1
 357     shift
 358     for v; do
 359         eval "case $v in $pat) ;; *) echo $v ;; esac"
 360     done
 361 }
 362
 363 map(){
 364     m=$1
 365     shift
 366     for v; do eval $m; done
 367 }
 368
 369 set_all(){
 370     value=$1
 371     shift
 372     for var in $*; do
 373         eval $var=$value
 374     done
 375 }
 376
 377 set_weak(){
 378     value=$1
 379     shift
 380     for var; do
 381         eval : \${$var:=$value}
 382     done
 383 }
 384
 385 set_safe(){
 386     var=$1
 387     shift
 388     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 389 }
 390
 391 get_safe(){
 392     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 393 }
 394
 395 pushvar(){
 396     for var in $*; do
 397         eval level=\${${var}_level:=0}
 398         eval ${var}_${level}="\$$var"
 399         eval ${var}_level=$(($level+1))
 400     done
 401 }
 402
 403 popvar(){
 404     for var in $*; do
 405         eval level=\${${var}_level:-0}
 406         test $level = 0 && continue
 407         eval level=$(($level-1))
 408         eval $var="\${${var}_${level}}"
 409         eval ${var}_level=$level
 410         eval unset ${var}_${level}
 411     done
 412 }
 413
 414 enable(){
 415     set_all yes $*
 416 }
 417
 418 disable(){
 419     set_all no $*
 420 }
 421
 422 enable_weak(){
 423     set_weak yes $*
 424 }
 425
 426 disable_weak(){
 427     set_weak no $*
 428 }
 429
 430 enable_safe(){
 431     for var; do
 432         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 433     done
 434 }
 435
 436 disable_safe(){
 437     for var; do
 438         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 439     done
 440 }
 441
 442 do_enable_deep(){
 443     for var; do
 444         enabled $var && continue
 445         eval sel="\$${var}_select"
 446         eval sgs="\$${var}_suggest"
 447         pushvar var sgs
 448         enable_deep $sel
 449         popvar sgs
 450         enable_deep_weak $sgs
 451         popvar var
 452     done
 453 }
 454
 455 enable_deep(){
 456     do_enable_deep $*
 457     enable $*
 458 }
 459
 460 enable_deep_weak(){
 461     do_enable_deep $*
 462     enable_weak $*
 463 }
 464
 465 enabled(){
 466     test "${1#!}" = "$1" && op== || op=!=
 467     eval test "x\$${1#!}" $op "xyes"
 468 }
 469
 470 disabled(){
 471     test "${1#!}" = "$1" && op== || op=!=
 472     eval test "x\$${1#!}" $op "xno"
 473 }
 474
 475 enabled_all(){
 476     for opt; do
 477         enabled $opt || return 1
 478     done
 479 }
 480
 481 disabled_all(){
 482     for opt; do
 483         disabled $opt || return 1
 484     done
 485 }
 486
 487 enabled_any(){
 488     for opt; do
 489         enabled $opt && return 0
 490     done
 491 }
 492
 493 disabled_any(){
 494     for opt; do
 495         disabled $opt && return 0
 496     done
 497     return 1
 498 }
 499
 500 set_default(){
 501     for opt; do
 502         eval : \${$opt:=\$${opt}_default}
 503     done
 504 }
 505
 506 is_in(){
 507     value=$1
 508     shift
 509     for var in $*; do
 510         [ $var = $value ] && return 0
 511     done
 512     return 1
 513 }
 514
 515 check_deps(){
 516     for cfg; do
 517         cfg="${cfg#!}"
 518         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 519         disabled ${cfg}_checking && continue
 520         enable ${cfg}_checking
 521
 522         eval dep_all="\$${cfg}_deps"
 523         eval dep_any="\$${cfg}_deps_any"
 524         eval dep_sel="\$${cfg}_select"
 525         eval dep_sgs="\$${cfg}_suggest"
 526         eval dep_ifa="\$${cfg}_if"
 527         eval dep_ifn="\$${cfg}_if_any"
 528
 529         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 530         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 531         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 532
 533         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 534         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 535         enabled_all  $dep_all || disable $cfg
 536         enabled_any  $dep_any || disable $cfg
 537         disabled_any $dep_sel && disable $cfg
 538
 539         if enabled $cfg; then
 540             eval dep_extralibs="\$${cfg}_extralibs"
 541             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 542             enable_deep $dep_sel
 543             enable_deep_weak $dep_sgs
 544         fi
 545
 546         disable ${cfg}_checking
 547     done
 548 }
 549
 550 print_config_h(){
 551     enabled $1 && v=1 || v=0
 552     echo "#define $2 $v"
 553 }
 554
 555 print_config_mak(){
 556     enabled $1 && v= || v=!
 557     echo "$v$2=yes"
 558 }
 559
 560 print_config_asm(){
 561     enabled $1 && echo "%define $2"
 562 }
 563
 564 print_config(){
 565     pfx=$1
 566     files=$2
 567     shift 2
 568     for cfg; do
 569         ucname="$(toupper $cfg)"
 570         for f in $files; do
 571             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 572         done
 573     done
 574 }
 575
 576 print_enabled(){
 577     test "$1" = -n && end=" " && shift || end="\n"
 578     suf=$1
 579     shift
 580     for v; do
 581         enabled $v && printf "%s$end" ${v%$suf};
 582     done
 583 }
 584
 585 append(){
 586     var=$1
 587     shift
 588     eval "$var=\"\$$var $*\""
 589 }
 590
 591 prepend(){
 592     var=$1
 593     shift
 594     eval "$var=\"$* \$$var\""
 595 }
 596
 597 add_cppflags(){
 598     append CPPFLAGS $($filter_cppflags "$@")
 599 }
 600
 601 add_cflags(){
 602     append CFLAGS $($filter_cflags "$@")
 603 }
 604
 605 add_cxxflags(){
 606     append CXXFLAGS $($filter_cflags "$@")
 607 }
 608
 609 add_asflags(){
 610     append ASFLAGS $($filter_asflags "$@")
 611 }
 612
 613 add_ldflags(){
 614     append LDFLAGS "$@"
 615 }
 616
 617 add_extralibs(){
 618     prepend extralibs "$@"
 619 }
 620
 621 check_cmd(){
 622     log "$@"
 623     "$@" >> $logfile 2>&1
 624 }
 625
 626 check_cc(){
 627     log check_cc "$@"
 628     cat > $TMPC
 629     log_file $TMPC
 630     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 631 }
 632
 633 check_cxx(){
 634     log check_cxx "$@"
 635     cat > $TMPCPP
 636     log_file $TMPCPP
 637     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
 638 }
 639
 640 check_cpp(){
 641     log check_cpp "$@"
 642     cat > $TMPC
 643     log_file $TMPC
 644     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 645 }
 646
 647 check_as(){
 648     log check_as "$@"
 649     cat > $TMPC
 650     log_file $TMPC
 651     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 652 }
 653
 654 check_asm(){
 655     log check_asm "$@"
 656     name="$1"
 657     code="$2"
 658     shift 2
 659     disable $name
 660     check_as "$@" <<EOF && enable $name
 661 void foo(void){ __asm__ volatile($code); }
 662 EOF
 663 }
 664
 665 check_yasm(){
 666     log check_yasm "$@"
 667     echo "$1" > $TMPS
 668     log_file $TMPS
 669     shift 1
 670     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 671 }
 672
 673 check_ld(){
 674     log check_ld "$@"
 675     type=$1
 676     shift 1
 677     flags=''
 678     libs=''
 679     for f; do
 680         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 681     done
 682     check_$type $($filter_cflags $flags) || return
 683     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
 684 }
 685
 686 check_cppflags(){
 687     log check_cppflags "$@"
 688     set -- $($filter_cppflags "$@")
 689     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 690 int x;
 691 EOF
 692 }
 693
 694 check_cflags(){
 695     log check_cflags "$@"
 696     set -- $($filter_cflags "$@")
 697     check_cc "$@" <<EOF && append CFLAGS "$@"
 698 int x;
 699 EOF
 700 }
 701
 702 check_cxxflags(){
 703     log check_cxxflags "$@"
 704     set -- $($filter_cflags "$@")
 705     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 706 int x;
 707 EOF
 708 }
 709
 710 test_ldflags(){
 711     log test_ldflags "$@"
 712     check_ld "cc" "$@" <<EOF
 713 int main(void){ return 0; }
 714 EOF
 715 }
 716
 717 check_ldflags(){
 718     log check_ldflags "$@"
 719     test_ldflags "$@" && add_ldflags "$@"
 720 }
 721
 722 check_header(){
 723     log check_header "$@"
 724     header=$1
 725     shift
 726     disable_safe $header
 727     check_cpp "$@" <<EOF && enable_safe $header
 728 #include <$header>
 729 int x;
 730 EOF
 731 }
 732
 733 check_func(){
 734     log check_func "$@"
 735     func=$1
 736     shift
 737     disable $func
 738     check_ld "cc" "$@" <<EOF && enable $func
 739 extern int $func();
 740 int main(void){ $func(); }
 741 EOF
 742 }
 743
 744 check_mathfunc(){
 745     log check_mathfunc "$@"
 746     func=$1
 747     shift
 748     disable $func
 749     check_ld "cc" "$@" <<EOF && enable $func
 750 #include <math.h>
 751 float foo(float f) { return $func(f); }
 752 int main(void){ return (int) foo; }
 753 EOF
 754 }
 755
 756 check_func_headers(){
 757     log check_func_headers "$@"
 758     headers=$1
 759     funcs=$2
 760     shift 2
 761     {
 762         for hdr in $headers; do
 763             echo "#include <$hdr>"
 764         done
 765         for func in $funcs; do
 766             echo "long check_$func(void) { return (long) $func; }"
 767         done
 768         echo "int main(void) { return 0; }"
 769     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 770 }
 771
 772 check_class_headers_cpp(){
 773     log check_class_headers_cpp "$@"
 774     headers=$1
 775     classes=$2
 776     shift 2
 777     {
 778         for hdr in $headers; do
 779             echo "#include <$hdr>"
 780         done
 781         echo "int main(void) { "
 782         i=1
 783         for class in $classes; do
 784             echo "$class obj$i;"
 785             i=$(expr $i + 1)
 786         done
 787         echo "return 0; }"
 788     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 789 }
 790
 791 check_cpp_condition(){
 792     log check_cpp_condition "$@"
 793     header=$1
 794     condition=$2
 795     shift 2
 796     check_cpp $($filter_cppflags "$@") <<EOF
 797 #include <$header>
 798 #if !($condition)
 799 #error "unsatisfied condition: $condition"
 800 #endif
 801 EOF
 802 }
 803
 804 check_lib(){
 805     log check_lib "$@"
 806     header="$1"
 807     func="$2"
 808     shift 2
 809     check_header $header && check_func $func "$@" && add_extralibs "$@"
 810 }
 811
 812 check_lib2(){
 813     log check_lib2 "$@"
 814     headers="$1"
 815     funcs="$2"
 816     shift 2
 817     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 818 }
 819
 820 check_lib_cpp(){
 821     log check_lib_cpp "$@"
 822     headers="$1"
 823     classes="$2"
 824     shift 2
 825     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 826 }
 827
 828 check_pkg_config(){
 829     log check_pkg_config "$@"
 830     pkg="$1"
 831     headers="$2"
 832     funcs="$3"
 833     shift 3
 834     $pkg_config --exists $pkg 2>/dev/null || return
 835     pkg_cflags=$($pkg_config --cflags $pkg)
 836     pkg_libs=$($pkg_config --libs $pkg)
 837     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 838         set_safe ${pkg}_cflags $pkg_cflags   &&
 839         set_safe ${pkg}_libs   $pkg_libs
 840 }
 841
 842 check_exec(){
 843     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 844 }
 845
 846 check_exec_crash(){
 847     code=$(cat)
 848
 849     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 850     # are safe but may not be available everywhere.  Thus we use
 851     # raise(SIGTERM) instead.  The check is run in a subshell so we
 852     # can redirect the "Terminated" message from the shell.  SIGBUS
 853     # is not defined by standard C so it is used conditionally.
 854
 855     (check_exec "$@") >> $logfile 2>&1 <<EOF
 856 #include <signal.h>
 857 static void sighandler(int sig){
 858     raise(SIGTERM);
 859 }
 860 int func(void){
 861     $code
 862 }
 863 int main(void){
 864     signal(SIGILL, sighandler);
 865     signal(SIGFPE, sighandler);
 866     signal(SIGSEGV, sighandler);
 867 #ifdef SIGBUS
 868     signal(SIGBUS, sighandler);
 869 #endif
 870     return func();
 871 }
 872 EOF
 873 }
 874
 875 check_type(){
 876     log check_type "$@"
 877     headers=$1
 878     type=$2
 879     shift 2
 880     disable_safe "$type"
 881     incs=""
 882     for hdr in $headers; do
 883         incs="$incs
 884 #include <$hdr>"
 885     done
 886     check_cc "$@" <<EOF && enable_safe "$type"
 887 $incs
 888 $type v;
 889 EOF
 890 }
 891
 892 check_struct(){
 893     log check_type "$@"
 894     headers=$1
 895     struct=$2
 896     member=$3
 897     shift 3
 898     disable_safe "${struct}_${member}"
 899     incs=""
 900     for hdr in $headers; do
 901         incs="$incs
 902 #include <$hdr>"
 903     done
 904     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
 905 $incs
 906 const void *p = &(($struct *)0)->$member;
 907 EOF
 908 }
 909
 910 require(){
 911     name="$1"
 912     header="$2"
 913     func="$3"
 914     shift 3
 915     check_lib $header $func "$@" || die "ERROR: $name not found"
 916 }
 917
 918 require2(){
 919     name="$1"
 920     headers="$2"
 921     func="$3"
 922     shift 3
 923     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 924 }
 925
 926 require_cpp(){
 927     name="$1"
 928     headers="$2"
 929     classes="$3"
 930     shift 3
 931     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
 932 }
 933
 934 require_pkg_config(){
 935     pkg="$1"
 936     check_pkg_config "$@" || die "ERROR: $pkg not found"
 937     add_cflags    $(get_safe ${pkg}_cflags)
 938     add_extralibs $(get_safe ${pkg}_libs)
 939 }
 940
 941 check_host_cc(){
 942     log check_host_cc "$@"
 943     cat > $TMPC
 944     log_file $TMPC
 945     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
 946 }
 947
 948 check_host_cflags(){
 949     log check_host_cflags "$@"
 950     check_host_cc "$@" <<EOF && append host_cflags "$@"
 951 int x;
 952 EOF
 953 }
 954
 955 apply(){
 956     file=$1
 957     shift
 958     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 959 }
 960
 961 cp_if_changed(){
 962     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
 963     mkdir -p "$(dirname $2)"
 964     cp -f "$1" "$2"
 965 }
 966
 967 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 968 # system-dependent things.
 969
 970 COMPONENT_LIST="
 971     bsfs
 972     decoders
 973     demuxers
 974     encoders
 975     filters
 976     hwaccels
 977     indevs
 978     muxers
 979     outdevs
 980     parsers
 981     protocols
 982 "
 983
 984 PROGRAM_LIST="
 985     ffplay
 986     ffprobe
 987     ffserver
 988     ffmpeg
 989 "
 990
 991 CONFIG_LIST="
 992     $COMPONENT_LIST
 993     $PROGRAM_LIST
 994     avconv
 995     aandct
 996     ac3dsp
 997     avcodec
 998     avdevice
 999     avfilter
1000     avformat
1001     avisynth
1002     bzlib
1003     crystalhd
1004     dct
1005     doc
1006     dwt
1007     dxva2
1008     fastdiv
1009     fft
1010     frei0r
1011     gnutls
1012     golomb
1013     gpl
1014     gray
1015     h264chroma
1016     h264dsp
1017     h264pred
1018     hardcoded_tables
1019     huffman
1020     libaacplus
1021     libass
1022     libcdio
1023     libcelt
1024     libdc1394
1025     libdirac
1026     libfaac
1027     libfreetype
1028     libgsm
1029     libmodplug
1030     libmp3lame
1031     libnut
1032     libopencore_amrnb
1033     libopencore_amrwb
1034     libopencv
1035     libopenjpeg
1036     libpulse
1037     librtmp
1038     libschroedinger
1039     libspeex
1040     libstagefright_h264
1041     libtheora
1042     libutvideo
1043     libv4l2
1044     libvo_aacenc
1045     libvo_amrwbenc
1046     libvorbis
1047     libvpx
1048     libx264
1049     libxavs
1050     libxvid
1051     lpc
1052     lsp
1053     mdct
1054     memalign_hack
1055     mlib
1056     mpegaudiodsp
1057     network
1058     nonfree
1059     openal
1060     openssl
1061     pic
1062     postproc
1063     rdft
1064     rtpdec
1065     runtime_cpudetect
1066     safe_bitstream_reader
1067     shared
1068     sinewin
1069     small
1070     sram
1071     static
1072     swresample
1073     swscale
1074     swscale_alpha
1075     thumb
1076     vaapi
1077     vda
1078     vdpau
1079     version3
1080     x11grab
1081     zlib
1082 "
1083
1084 THREADS_LIST='
1085     pthreads
1086     w32threads
1087     os2threads
1088 '
1089
1090 ARCH_LIST='
1091     alpha
1092     arm
1093     avr32
1094     avr32_ap
1095     avr32_uc
1096     bfin
1097     ia64
1098     m68k
1099     mips
1100     mips64
1101     parisc
1102     ppc
1103     ppc64
1104     s390
1105     sh4
1106     sparc
1107     sparc64
1108     tomi
1109     x86
1110     x86_32
1111     x86_64
1112 '
1113
1114 ARCH_EXT_LIST='
1115     altivec
1116     amd3dnow
1117     amd3dnowext
1118     armv5te
1119     armv6
1120     armv6t2
1121     armvfp
1122     avx
1123     iwmmxt
1124     mmi
1125     mmx
1126     mmx2
1127     neon
1128     ppc4xx
1129     sse
1130     ssse3
1131     vfpv3
1132     vis
1133 '
1134
1135 HAVE_LIST_PUB='
1136     bigendian
1137     fast_unaligned
1138 '
1139
1140 HAVE_LIST="
1141     $ARCH_EXT_LIST
1142     $HAVE_LIST_PUB
1143     $THREADS_LIST
1144     aligned_stack
1145     alsa_asoundlib_h
1146     altivec_h
1147     arpa_inet_h
1148     asm_mod_y
1149     asm_types_h
1150     attribute_may_alias
1151     attribute_packed
1152     cbrtf
1153     closesocket
1154     cmov
1155     dcbzl
1156     dev_bktr_ioctl_bt848_h
1157     dev_bktr_ioctl_meteor_h
1158     dev_ic_bt8xx_h
1159     dev_video_bktr_ioctl_bt848_h
1160     dev_video_meteor_ioctl_meteor_h
1161     dlfcn_h
1162     dlopen
1163     dos_paths
1164     ebp_available
1165     ebx_available
1166     exp2
1167     exp2f
1168     fast_64bit
1169     fast_clz
1170     fast_cmov
1171     fcntl
1172     fork
1173     getaddrinfo
1174     gethrtime
1175     GetProcessMemoryInfo
1176     GetProcessTimes
1177     getrusage
1178     gnu_as
1179     ibm_asm
1180     inet_aton
1181     inline_asm
1182     isatty
1183     kbhit
1184     ldbrx
1185     llrint
1186     llrintf
1187     local_aligned_16
1188     local_aligned_8
1189     localtime_r
1190     log2
1191     log2f
1192     loongson
1193     lrint
1194     lrintf
1195     lzo1x_999_compress
1196     machine_ioctl_bt848_h
1197     machine_ioctl_meteor_h
1198     makeinfo
1199     malloc_h
1200     MapViewOfFile
1201     memalign
1202     mkstemp
1203     mmap
1204     PeekNamedPipe
1205     poll_h
1206     posix_memalign
1207     round
1208     roundf
1209     sdl
1210     sdl_video_size
1211     setmode
1212     setrlimit
1213     sndio_h
1214     socklen_t
1215     soundcard_h
1216     strerror_r
1217     strptime
1218     struct_addrinfo
1219     struct_ipv6_mreq
1220     struct_rusage_ru_maxrss
1221     struct_sockaddr_in6
1222     struct_sockaddr_sa_len
1223     struct_sockaddr_storage
1224     symver
1225     symver_asm_label
1226     symver_gnu_asm
1227     sys_mman_h
1228     sys_resource_h
1229     sys_select_h
1230     sys_soundcard_h
1231     sys_videoio_h
1232     termios_h
1233     threads
1234     trunc
1235     truncf
1236     vfp_args
1237     VirtualAlloc
1238     winsock2_h
1239     xform_asm
1240     xmm_clobbers
1241     yasm
1242 "
1243
1244 # options emitted with CONFIG_ prefix but not available on command line
1245 CONFIG_EXTRA="
1246     avutil
1247     gplv3
1248     lgplv3
1249 "
1250
1251 CMDLINE_SELECT="
1252     $ARCH_EXT_LIST
1253     $CONFIG_LIST
1254     $THREADS_LIST
1255     asm
1256     coverage
1257     cross_compile
1258     debug
1259     extra_warnings
1260     logging
1261     optimizations
1262     stripping
1263     symver
1264     yasm
1265 "
1266
1267 PATHS_LIST='
1268     bindir
1269     datadir
1270     incdir
1271     libdir
1272     mandir
1273     prefix
1274     shlibdir
1275 '
1276
1277 CMDLINE_SET="
1278     $PATHS_LIST
1279     ar
1280     arch
1281     as
1282     build_suffix
1283     progs_suffix
1284     cc
1285     cpu
1286     cross_prefix
1287     cxx
1288     dep_cc
1289     extra_version
1290     host_cc
1291     host_cflags
1292     host_ldflags
1293     host_libs
1294     host_os
1295     install
1296     ld
1297     logfile
1298     malloc_prefix
1299     nm
1300     optflags
1301     pkg_config
1302     samples
1303     strip
1304     sysinclude
1305     sysroot
1306     target_exec
1307     target_os
1308     target_path
1309 "
1310
1311 CMDLINE_APPEND="
1312     extra_cflags
1313     extra_cxxflags
1314 "
1315
1316 # code dependency declarations
1317
1318 # architecture extensions
1319
1320 armv5te_deps="arm"
1321 armv6_deps="arm"
1322 armv6t2_deps="arm"
1323 armvfp_deps="arm"
1324 iwmmxt_deps="arm"
1325 neon_deps="arm"
1326 vfpv3_deps="armvfp"
1327
1328 mmi_deps="mips"
1329
1330 altivec_deps="ppc"
1331 ppc4xx_deps="ppc"
1332
1333 vis_deps="sparc"
1334
1335 x86_64_suggest="cmov fast_cmov"
1336 amd3dnow_deps="mmx"
1337 amd3dnowext_deps="amd3dnow"
1338 mmx_deps="x86"
1339 mmx2_deps="mmx"
1340 sse_deps="mmx"
1341 ssse3_deps="sse"
1342 avx_deps="ssse3"
1343
1344 aligned_stack_if_any="ppc x86"
1345 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1346 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1347 fast_unaligned_if_any="armv6 ppc x86"
1348
1349 inline_asm_deps="!tms470"
1350 need_memalign="altivec neon sse"
1351
1352 symver_if_any="symver_asm_label symver_gnu_asm"
1353
1354 # subsystems
1355 dct_select="rdft"
1356 mdct_select="fft"
1357 rdft_select="fft"
1358 mpegaudiodsp_select="dct"
1359
1360 # decoders / encoders / hardware accelerators
1361 aac_decoder_select="mdct sinewin"
1362 aac_encoder_select="mdct sinewin"
1363 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1364 ac3_decoder_select="mdct ac3dsp ac3_parser"
1365 ac3_encoder_select="mdct ac3dsp"
1366 ac3_fixed_encoder_select="mdct ac3dsp"
1367 alac_encoder_select="lpc"
1368 amrnb_decoder_select="lsp"
1369 amrwb_decoder_select="lsp"
1370 atrac1_decoder_select="mdct sinewin"
1371 atrac3_decoder_select="mdct"
1372 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1373 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1374 cavs_decoder_select="golomb"
1375 cook_decoder_select="mdct sinewin"
1376 cscd_decoder_suggest="zlib"
1377 dca_decoder_select="mdct"
1378 dnxhd_encoder_select="aandct"
1379 dxa_decoder_select="zlib"
1380 eac3_decoder_select="ac3_decoder"
1381 eac3_encoder_select="mdct ac3dsp"
1382 eamad_decoder_select="aandct"
1383 eatgq_decoder_select="aandct"
1384 eatqi_decoder_select="aandct"
1385 ffv1_decoder_select="golomb"
1386 flac_decoder_select="golomb"
1387 flac_encoder_select="golomb lpc"
1388 flashsv_decoder_select="zlib"
1389 flashsv_encoder_select="zlib"
1390 flashsv2_encoder_select="zlib"
1391 flashsv2_decoder_select="zlib"
1392 flv_decoder_select="h263_decoder"
1393 flv_encoder_select="h263_encoder"
1394 fraps_decoder_select="huffman"
1395 h261_encoder_select="aandct"
1396 h263_decoder_select="h263_parser"
1397 h263_encoder_select="aandct"
1398 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1399 h263i_decoder_select="h263_decoder"
1400 h263p_encoder_select="h263_encoder"
1401 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1402 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1403 h264_dxva2_hwaccel_deps="dxva2api_h"
1404 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1405 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1406 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1407 h264_vda_hwaccel_select="vda h264_decoder"
1408 h264_vdpau_decoder_select="vdpau h264_decoder"
1409 imc_decoder_select="fft mdct sinewin"
1410 jpegls_decoder_select="golomb"
1411 jpegls_encoder_select="golomb"
1412 ljpeg_encoder_select="aandct"
1413 loco_decoder_select="golomb"
1414 mjpeg_encoder_select="aandct"
1415 mlp_decoder_select="mlp_parser"
1416 mp1_decoder_select="mpegaudiodsp"
1417 mp1float_decoder_select="mpegaudiodsp"
1418 mp2_decoder_select="mpegaudiodsp"
1419 mp2float_decoder_select="mpegaudiodsp"
1420 mp3_decoder_select="mpegaudiodsp"
1421 mp3adu_decoder_select="mpegaudiodsp"
1422 mp3adufloat_decoder_select="mpegaudiodsp"
1423 mp3float_decoder_select="mpegaudiodsp"
1424 mp3on4_decoder_select="mpegaudiodsp"
1425 mp3on4float_decoder_select="mpegaudiodsp"
1426 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1427 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1428 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1429 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1430 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1431 mpeg1video_encoder_select="aandct"
1432 mpeg2_crystalhd_decoder_select="crystalhd"
1433 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1434 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1435 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1436 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1437 mpeg2video_encoder_select="aandct"
1438 mpeg4_crystalhd_decoder_select="crystalhd"
1439 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1440 mpeg4_encoder_select="h263_encoder"
1441 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1442 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1443 msmpeg4_crystalhd_decoder_select="crystalhd"
1444 msmpeg4v1_decoder_select="h263_decoder"
1445 msmpeg4v1_encoder_select="h263_encoder"
1446 msmpeg4v2_decoder_select="h263_decoder"
1447 msmpeg4v2_encoder_select="h263_encoder"
1448 msmpeg4v3_decoder_select="h263_decoder"
1449 msmpeg4v3_encoder_select="h263_encoder"
1450 nellymoser_decoder_select="mdct sinewin"
1451 nellymoser_encoder_select="mdct sinewin"
1452 png_decoder_select="zlib"
1453 png_encoder_select="zlib"
1454 qcelp_decoder_select="lsp"
1455 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1456 ra_144_encoder_select="lpc"
1457 rv10_decoder_select="h263_decoder"
1458 rv10_encoder_select="h263_encoder"
1459 rv20_decoder_select="h263_decoder"
1460 rv20_encoder_select="h263_encoder"
1461 rv30_decoder_select="golomb h264chroma h264pred"
1462 rv40_decoder_select="golomb h264chroma h264pred"
1463 shorten_decoder_select="golomb"
1464 sipr_decoder_select="lsp"
1465 snow_decoder_select="dwt"
1466 snow_encoder_select="aandct dwt"
1467 sonic_decoder_select="golomb"
1468 sonic_encoder_select="golomb"
1469 sonic_ls_encoder_select="golomb"
1470 svq1_encoder_select="aandct"
1471 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1472 svq3_decoder_suggest="zlib"
1473 theora_decoder_select="vp3_decoder"
1474 tiff_decoder_suggest="zlib"
1475 tiff_encoder_suggest="zlib"
1476 truehd_decoder_select="mlp_decoder"
1477 tscc_decoder_select="zlib"
1478 twinvq_decoder_select="mdct lsp sinewin"
1479 vc1_crystalhd_decoder_select="crystalhd"
1480 vc1_decoder_select="h263_decoder h264chroma"
1481 vc1_dxva2_hwaccel_deps="dxva2api_h"
1482 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1483 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1484 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1485 vc1image_decoder_select="vc1_decoder"
1486 vorbis_decoder_select="mdct"
1487 vorbis_encoder_select="mdct"
1488 vp6_decoder_select="huffman"
1489 vp6a_decoder_select="vp6_decoder"
1490 vp6f_decoder_select="vp6_decoder"
1491 vp8_decoder_select="h264pred"
1492 wmapro_decoder_select="mdct sinewin"
1493 wmav1_decoder_select="mdct sinewin"
1494 wmav1_encoder_select="mdct sinewin"
1495 wmav2_decoder_select="mdct sinewin"
1496 wmav2_encoder_select="mdct sinewin"
1497 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1498 wmv1_decoder_select="h263_decoder"
1499 wmv1_encoder_select="h263_encoder"
1500 wmv2_decoder_select="h263_decoder"
1501 wmv2_encoder_select="h263_encoder"
1502 wmv3_decoder_select="vc1_decoder"
1503 wmv3_crystalhd_decoder_select="crystalhd"
1504 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1505 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1506 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1507 wmv3image_decoder_select="wmv3_decoder"
1508 zlib_decoder_select="zlib"
1509 zlib_encoder_select="zlib"
1510 zmbv_decoder_select="zlib"
1511 zmbv_encoder_select="zlib"
1512
1513 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1514 vaapi_deps="va_va_h"
1515 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1516 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1517
1518 # parsers
1519 h264_parser_select="golomb h264chroma h264dsp h264pred"
1520
1521 # external libraries
1522 libaacplus_encoder_deps="libaacplus"
1523 libcelt_decoder_deps="libcelt"
1524 libdirac_decoder_deps="libdirac !libschroedinger"
1525 libdirac_encoder_deps="libdirac"
1526 libfaac_encoder_deps="libfaac"
1527 libgsm_decoder_deps="libgsm"
1528 libgsm_encoder_deps="libgsm"
1529 libgsm_ms_decoder_deps="libgsm"
1530 libgsm_ms_encoder_deps="libgsm"
1531 libmodplug_demuxer_deps="libmodplug"
1532 libmp3lame_encoder_deps="libmp3lame"
1533 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1534 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1535 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1536 libopenjpeg_decoder_deps="libopenjpeg"
1537 libopenjpeg_encoder_deps="libopenjpeg"
1538 libschroedinger_decoder_deps="libschroedinger"
1539 libschroedinger_encoder_deps="libschroedinger"
1540 libspeex_decoder_deps="libspeex"
1541 libspeex_encoder_deps="libspeex"
1542 libstagefright_h264_decoder_deps="libstagefright_h264"
1543 libtheora_encoder_deps="libtheora"
1544 libvo_aacenc_encoder_deps="libvo_aacenc"
1545 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1546 libvorbis_encoder_deps="libvorbis"
1547 libvpx_decoder_deps="libvpx"
1548 libvpx_encoder_deps="libvpx"
1549 libx264_encoder_deps="libx264"
1550 libx264rgb_encoder_deps="libx264"
1551 libxavs_encoder_deps="libxavs"
1552 libxvid_encoder_deps="libxvid"
1553 libutvideo_decoder_deps="libutvideo gpl"
1554
1555 # demuxers / muxers
1556 ac3_demuxer_select="ac3_parser"
1557 asf_stream_muxer_select="asf_muxer"
1558 avisynth_demuxer_deps="avisynth"
1559 dirac_demuxer_select="dirac_parser"
1560 eac3_demuxer_select="ac3_parser"
1561 flac_demuxer_select="flac_parser"
1562 ipod_muxer_select="mov_muxer"
1563 libnut_demuxer_deps="libnut"
1564 libnut_muxer_deps="libnut"
1565 matroska_audio_muxer_select="matroska_muxer"
1566 matroska_demuxer_suggest="zlib bzlib"
1567 mov_demuxer_suggest="zlib"
1568 mp3_demuxer_select="mpegaudio_parser"
1569 mp4_muxer_select="mov_muxer"
1570 mpegtsraw_demuxer_select="mpegts_demuxer"
1571 mxf_d10_muxer_select="mxf_muxer"
1572 ogg_demuxer_select="golomb"
1573 psp_muxer_select="mov_muxer"
1574 rtp_demuxer_select="sdp_demuxer"
1575 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1576 rtsp_demuxer_select="http_protocol rtpdec"
1577 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1578 sap_demuxer_select="sdp_demuxer"
1579 sap_muxer_select="rtp_muxer rtp_protocol"
1580 sdp_demuxer_select="rtpdec"
1581 spdif_muxer_select="aac_parser"
1582 tg2_muxer_select="mov_muxer"
1583 tgp_muxer_select="mov_muxer"
1584 w64_demuxer_deps="wav_demuxer"
1585
1586 # indevs / outdevs
1587 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1588 alsa_outdev_deps="alsa_asoundlib_h"
1589 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1590 dshow_indev_deps="IBaseFilter"
1591 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1592 dv1394_indev_deps="dv1394 dv_demuxer"
1593 fbdev_indev_deps="linux_fb_h"
1594 jack_indev_deps="jack_jack_h sem_timedwait"
1595 lavfi_indev_deps="avfilter"
1596 libcdio_indev_deps="libcdio"
1597 libdc1394_indev_deps="libdc1394"
1598 libv4l2_indev_deps="libv4l2"
1599 openal_indev_deps="openal"
1600 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1601 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1602 pulse_indev_deps="libpulse"
1603 sdl_outdev_deps="sdl"
1604 sndio_indev_deps="sndio_h"
1605 sndio_outdev_deps="sndio_h"
1606 v4l_indev_deps="linux_videodev_h"
1607 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1608 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1609 vfwcap_indev_extralibs="-lavicap32"
1610 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1611 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1612
1613 # protocols
1614 gopher_protocol_deps="network"
1615 httpproxy_protocol_deps="network"
1616 httpproxy_protocol_select="tcp_protocol"
1617 http_protocol_deps="network"
1618 http_protocol_select="tcp_protocol"
1619 https_protocol_select="tls_protocol"
1620 mmsh_protocol_select="http_protocol"
1621 mmst_protocol_deps="network"
1622 rtmp_protocol_select="tcp_protocol"
1623 rtp_protocol_select="udp_protocol"
1624 tcp_protocol_deps="network"
1625 tls_protocol_deps_any="openssl gnutls"
1626 tls_protocol_select="tcp_protocol"
1627 udp_protocol_deps="network"
1628
1629 # filters
1630 amovie_filter_deps="avcodec avformat"
1631 ass_filter_deps="libass"
1632 blackframe_filter_deps="gpl"
1633 boxblur_filter_deps="gpl"
1634 cropdetect_filter_deps="gpl"
1635 delogo_filter_deps="gpl"
1636 drawtext_filter_deps="libfreetype"
1637 frei0r_filter_deps="frei0r dlopen"
1638 frei0r_src_filter_deps="frei0r dlopen"
1639 hqdn3d_filter_deps="gpl"
1640 movie_filter_deps="avcodec avformat"
1641 mp_filter_deps="gpl avcodec"
1642 mptestsrc_filter_deps="gpl"
1643 negate_filter_deps="lut_filter"
1644 ocv_filter_deps="libopencv"
1645 scale_filter_deps="swscale"
1646 yadif_filter_deps="gpl"
1647
1648 # libraries
1649 avdevice_deps="avcodec avformat"
1650 avformat_deps="avcodec"
1651 postproc_deps="gpl"
1652
1653 # programs
1654 avconv_deps="avcodec avformat swscale"
1655 avconv_select="buffer_filter"
1656 ffplay_deps="avcodec avformat swscale sdl"
1657 ffplay_select="buffersink_filter rdft"
1658 ffprobe_deps="avcodec avformat"
1659 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1660 ffserver_extralibs='$ldl'
1661 ffmpeg_deps="avcodec avformat swscale swresample"
1662 ffmpeg_select="buffer_filter buffersink_filter"
1663
1664 doc_deps="texi2html"
1665
1666 # tests
1667
1668 test_deps(){
1669     suf1=$1
1670     suf2=$2
1671     shift 2
1672     for v; do
1673         dep=${v%=*}
1674         tests=${v#*=}
1675         for name in ${tests}; do
1676             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1677         done
1678     done
1679 }
1680
1681 mxf_d10_test_deps="avfilter"
1682 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1683
1684 test_deps _encoder _decoder                                             \
1685     adpcm_ima_qt                                                        \
1686     adpcm_ima_wav                                                       \
1687     adpcm_ms                                                            \
1688     adpcm_swf                                                           \
1689     adpcm_yamaha=adpcm_yam                                              \
1690     alac                                                                \
1691     asv1                                                                \
1692     asv2                                                                \
1693     bmp                                                                 \
1694     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1695     dvvideo="dv dv_411 dv50"                                            \
1696     ffv1                                                                \
1697     flac                                                                \
1698     flashsv                                                             \
1699     flv                                                                 \
1700     adpcm_g726=g726                                                     \
1701     gif                                                                 \
1702     h261                                                                \
1703     h263="h263 h263p"                                                   \
1704     huffyuv                                                             \
1705     jpegls                                                              \
1706     mjpeg="jpg mjpeg ljpeg"                                             \
1707     mp2                                                                 \
1708     mpeg1video="mpeg mpeg1b"                                            \
1709     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1710     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1711     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1712     mpeg4="mpeg4thread error rc"                                        \
1713     msmpeg4v3=msmpeg4                                                   \
1714     msmpeg4v2                                                           \
1715     pbm=pbmpipe                                                         \
1716     pcx                                                                 \
1717     pgm="pgm pgmpipe"                                                   \
1718     png                                                                 \
1719     ppm="ppm ppmpipe"                                                   \
1720     rawvideo="rgb yuv"                                                  \
1721     roq                                                                 \
1722     rv10                                                                \
1723     rv20                                                                \
1724     sgi                                                                 \
1725     snow="snow snowll"                                                  \
1726     svq1                                                                \
1727     targa=tga                                                           \
1728     tiff                                                                \
1729     wmav1                                                               \
1730     wmav2                                                               \
1731     wmv1                                                                \
1732     wmv2                                                                \
1733
1734 test_deps _muxer _demuxer                                               \
1735     aiff                                                                \
1736     pcm_alaw=alaw                                                       \
1737     asf                                                                 \
1738     au                                                                  \
1739     avi                                                                 \
1740     dv=dv_fmt                                                           \
1741     ffm                                                                 \
1742     flv=flv_fmt                                                         \
1743     gxf                                                                 \
1744     matroska=mkv                                                        \
1745     mmf                                                                 \
1746     mov                                                                 \
1747     pcm_mulaw=mulaw                                                     \
1748     mxf="mxf mxf_d10"                                                   \
1749     nut                                                                 \
1750     ogg                                                                 \
1751     rawvideo=pixfmt                                                     \
1752     rm                                                                  \
1753     swf                                                                 \
1754     mpegts=ts                                                           \
1755     voc                                                                 \
1756     wav                                                                 \
1757     yuv4mpegpipe=yuv4mpeg                                               \
1758
1759 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1760 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1761
1762 # default parameters
1763
1764 logfile="config.log"
1765
1766 # installation paths
1767 prefix_default="/usr/local"
1768 bindir_default='${prefix}/bin'
1769 datadir_default='${prefix}/share/ffmpeg'
1770 incdir_default='${prefix}/include'
1771 libdir_default='${prefix}/lib'
1772 mandir_default='${prefix}/share/man'
1773 shlibdir_default="$libdir_default"
1774
1775 # toolchain
1776 ar_default="ar"
1777 cc_default="gcc"
1778 cxx_default="g++"
1779 cc_version=\"unknown\"
1780 host_cc_default="gcc"
1781 install="install"
1782 ln_s="ln -sf"
1783 nm_default="nm"
1784 objformat="elf"
1785 pkg_config_default=pkg-config
1786 ranlib="ranlib"
1787 strip_default="strip"
1788 yasmexe="yasm"
1789
1790 nm_opts='-g'
1791 nogas=":"
1792
1793 # machine
1794 arch_default=$(uname -m)
1795 cpu="generic"
1796
1797 # OS
1798 target_os_default=$(tolower $(uname -s))
1799 host_os=$target_os_default
1800
1801 # configurable options
1802 enable $PROGRAM_LIST
1803
1804 enable avcodec
1805 enable avdevice
1806 enable avfilter
1807 enable avformat
1808 enable avutil
1809 enable postproc
1810 enable stripping
1811 enable swresample
1812 enable swscale
1813
1814 enable asm
1815 enable debug
1816 enable doc
1817 enable fastdiv
1818 enable network
1819 enable optimizations
1820 enable safe_bitstream_reader
1821 enable static
1822 enable swscale_alpha
1823
1824 # build settings
1825 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1826 FFSERVERLDFLAGS=-Wl,-E
1827 LIBPREF="lib"
1828 LIBSUF=".a"
1829 FULLNAME='$(NAME)$(BUILDSUF)'
1830 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1831 SLIBPREF="lib"
1832 SLIBSUF=".so"
1833 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1834 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1835 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1836 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1837 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1838 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1839
1840 AS_O='-o $@'
1841 CC_O='-o $@'
1842 CXX_O='-o $@'
1843
1844 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1845 host_libs='-lm'
1846
1847 target_path='$(CURDIR)'
1848
1849 # since the object filename is not given with the -MM flag, the compiler
1850 # is only able to print the basename, and we must add the path ourselves
1851 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1852 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1853
1854 # find source path
1855 if test -f configure; then
1856     source_path=.
1857 else
1858     source_path=$(cd $(dirname "$0"); pwd)
1859     echo "$source_path" | grep -q '[[:blank:]]' &&
1860         die "Out of tree builds are impossible with whitespace in source path."
1861     test -e "$source_path/config.h" &&
1862         die "Out of tree builds are impossible with config.h in source dir."
1863 fi
1864
1865 for v in "$@"; do
1866     r=${v#*=}
1867     l=${v%"$r"}
1868     r=$(sh_quote "$r")
1869     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1870 done
1871
1872 find_things(){
1873     thing=$1
1874     pattern=$2
1875     file=$source_path/$3
1876     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1877 }
1878
1879 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1880 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1881 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1882 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1883 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1884 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1885 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1886 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1887 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1888 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1889 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1890
1891 ALL_COMPONENTS="
1892     $BSF_LIST
1893     $DECODER_LIST
1894     $DEMUXER_LIST
1895     $ENCODER_LIST
1896     $FILTER_LIST
1897     $HWACCEL_LIST
1898     $INDEV_LIST
1899     $MUXER_LIST
1900     $OUTDEV_LIST
1901     $PARSER_LIST
1902     $PROTOCOL_LIST
1903 "
1904
1905 find_tests(){
1906     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1907 }
1908
1909 ACODEC_TESTS=$(find_tests acodec)
1910 VCODEC_TESTS=$(find_tests vsynth1)
1911 LAVF_TESTS=$(find_tests lavf)
1912 LAVFI_TESTS=$(find_tests lavfi)
1913 SEEK_TESTS=$(find_tests seek seek_)
1914
1915 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1916
1917 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1918
1919 for n in $COMPONENT_LIST; do
1920     v=$(toupper ${n%s})_LIST
1921     eval enable \$$v
1922     eval ${n}_if_any="\$$v"
1923 done
1924
1925 enable $ARCH_EXT_LIST $ALL_TESTS
1926
1927 die_unknown(){
1928     echo "Unknown option \"$1\"."
1929     echo "See $0 --help for available options."
1930     exit 1
1931 }
1932
1933 show_list() {
1934     suffix=_$1
1935     shift
1936     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1937     exit 0
1938 }
1939
1940 for opt do
1941     optval="${opt#*=}"
1942     case "$opt" in
1943     --extra-ldflags=*) add_ldflags $optval
1944     ;;
1945     --extra-libs=*) add_extralibs $optval
1946     ;;
1947     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1948     ;;
1949     --enable-debug=*) debuglevel="$optval"
1950     ;;
1951     --disable-everything)
1952     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1953     ;;
1954     --enable-*=*|--disable-*=*)
1955     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1956     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1957     eval list=\$$(toupper $thing)_LIST
1958     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1959     $action $(filter "$name" $list)
1960     ;;
1961     --enable-?*|--disable-?*)
1962     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1963     if is_in $option $COMPONENT_LIST; then
1964         test $action = disable && action=unset
1965         eval $action \$$(toupper ${option%s})_LIST
1966     elif is_in $option $CMDLINE_SELECT; then
1967         $action $option
1968     else
1969         die_unknown $opt
1970     fi
1971     ;;
1972     --list-*)
1973         NAME="${opt#--list-}"
1974         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1975         NAME=${NAME%s}
1976         eval show_list $NAME \$$(toupper $NAME)_LIST
1977     ;;
1978     --help|-h) show_help
1979     ;;
1980     *)
1981     optname="${opt%%=*}"
1982     optname="${optname#--}"
1983     optname=$(echo "$optname" | sed 's/-/_/g')
1984     if is_in $optname $CMDLINE_SET; then
1985         eval $optname='$optval'
1986     elif is_in $optname $CMDLINE_APPEND; then
1987         append $optname "$optval"
1988     else
1989          die_unknown $opt
1990     fi
1991     ;;
1992     esac
1993 done
1994
1995 disabled logging && logfile=/dev/null
1996
1997 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1998 set >> $logfile
1999
2000 test -n "$cross_prefix" && enable cross_compile
2001
2002 if enabled cross_compile; then
2003     test -n "$arch" && test -n "$target_os" ||
2004         die "Must specify target arch and OS when cross-compiling"
2005 fi
2006
2007 set_default arch target_os
2008
2009 ar_default="${cross_prefix}${ar_default}"
2010 cc_default="${cross_prefix}${cc_default}"
2011 cxx_default="${cross_prefix}${cxx_default}"
2012 nm_default="${cross_prefix}${nm_default}"
2013 pkg_config_default="${cross_prefix}${pkg_config_default}"
2014 ranlib="${cross_prefix}${ranlib}"
2015 strip_default="${cross_prefix}${strip_default}"
2016
2017 sysinclude_default="${sysroot}/usr/include"
2018
2019 set_default cc cxx nm pkg_config strip sysinclude
2020 enabled cross_compile || host_cc_default=$cc
2021 set_default host_cc
2022
2023 if ! $pkg_config --version >/dev/null 2>&1; then
2024     warn "$pkg_config not found, library detection may fail."
2025     pkg_config=false
2026 fi
2027
2028 exesuf() {
2029     case $1 in
2030         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2031     esac
2032 }
2033
2034 EXESUF=$(exesuf $target_os)
2035 HOSTEXESUF=$(exesuf $host_os)
2036
2037 # set temporary file name
2038 : ${TMPDIR:=$TEMPDIR}
2039 : ${TMPDIR:=$TMP}
2040 : ${TMPDIR:=/tmp}
2041
2042 if ! check_cmd mktemp -u XXXXXX; then
2043     # simple replacement for missing mktemp
2044     # NOT SAFE FOR GENERAL USE
2045     mktemp(){
2046         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2047     }
2048 fi
2049
2050 tmpfile(){
2051     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2052         (set -C; exec > $tmp) 2>/dev/null ||
2053         die "Unable to create temporary file in $TMPDIR."
2054     append TMPFILES $tmp
2055     eval $1=$tmp
2056 }
2057
2058 trap 'rm -f -- $TMPFILES' EXIT
2059
2060 tmpfile TMPASM .asm
2061 tmpfile TMPC   .c
2062 tmpfile TMPCPP .cpp
2063 tmpfile TMPE   $EXESUF
2064 tmpfile TMPH   .h
2065 tmpfile TMPO   .o
2066 tmpfile TMPS   .S
2067 tmpfile TMPSH  .sh
2068 tmpfile TMPV   .ver
2069
2070 unset -f mktemp
2071
2072 chmod +x $TMPE
2073
2074 # make sure we can execute files in $TMPDIR
2075 cat > $TMPSH 2>> $logfile <<EOF
2076 #! /bin/sh
2077 EOF
2078 chmod +x $TMPSH >> $logfile 2>&1
2079 if ! $TMPSH >> $logfile 2>&1; then
2080     cat <<EOF
2081 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2082 variable to another directory and make sure that it is not mounted noexec.
2083 EOF
2084     die "Sanity test failed."
2085 fi
2086
2087 filter_asflags=echo
2088 filter_cflags=echo
2089 filter_cppflags=echo
2090
2091 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2092     cc_type=llvm_gcc
2093     cc_version=__VERSION__
2094     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2095     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2096     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2097     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2098     speed_cflags='-O3'
2099     size_cflags='-Os'
2100 elif $cc -v 2>&1 | grep -qi ^gcc; then
2101     cc_type=gcc
2102     cc_version=__VERSION__
2103     gcc_version=$($cc --version | head -n1)
2104     gcc_basever=$($cc -dumpversion)
2105     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2106     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2107     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2108     if ! $cc -dumpversion | grep -q '^2\.'; then
2109         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2110         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2111     fi
2112     speed_cflags='-O3'
2113     size_cflags='-Os'
2114 elif $cc --version 2>/dev/null | grep -q Intel; then
2115     cc_type=icc
2116     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2117     cc_ident=$($cc --version | head -n1)
2118     icc_version=$($cc -dumpversion)
2119     CC_DEPFLAGS='-MMD'
2120     AS_DEPFLAGS='-MMD'
2121     speed_cflags='-O3'
2122     size_cflags='-Os'
2123     noopt_cflags='-O1'
2124 elif $cc -v 2>&1 | grep -q xlc; then
2125     cc_type=xlc
2126     cc_version="AV_STRINGIFY(__IBMC__)"
2127     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2128     speed_cflags='-O5'
2129     size_cflags='-O5 -qcompact'
2130 elif $cc -V 2>/dev/null | grep -q Compaq; then
2131     cc_type=ccc
2132     cc_version="AV_STRINGIFY(__DECC_VER)"
2133     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2134     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2135     debuglevel=3
2136     add_ldflags -Wl,-z,now # calls to libots crash without this
2137     speed_cflags='-fast'
2138     size_cflags='-O1'
2139 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2140     test -d "$sysroot" || die "No valid sysroot specified."
2141     cc_type=armcc
2142     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2143     cc_ident=$($cc --vsn | head -n1)
2144     armcc_conf="$PWD/armcc.conf"
2145     $cc --arm_linux_configure                 \
2146         --arm_linux_config_file="$armcc_conf" \
2147         --configure_sysroot="$sysroot"        \
2148         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2149         die "Error creating armcc configuration file."
2150     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2151     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2152     as_default="${cross_prefix}gcc"
2153     CC_DEPFLAGS='-MMD'
2154     AS_DEPFLAGS='-MMD'
2155     speed_cflags='-O3'
2156     size_cflags='-Os'
2157     filter_asflags="filter_out -W${armcc_opt}*"
2158 elif $cc -version 2>/dev/null | grep -q TMS470; then
2159     cc_type=tms470
2160     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2161     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2162     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2163     CC_O='-fr=$(@D)'
2164     as_default="${cross_prefix}gcc"
2165     ld_default="${cross_prefix}gcc"
2166     TMPO=$(basename $TMPC .c).o
2167     append TMPFILES $TMPO
2168     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2169     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2170     AS_DEPFLAGS='-MMD'
2171     speed_cflags='-O3 -mf=5'
2172     size_cflags='-O3 -mf=2'
2173     filter_cflags=tms470_flags
2174     tms470_flags(){
2175         for flag; do
2176             case $flag in
2177                 -march=*|-mcpu=*)
2178                     case "${flag#*=}" in
2179                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2180                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2181                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2182                         armv6*|arm11*)          echo -mv=6   ;;
2183                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2184                                                 echo -mv=5e  ;;
2185                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2186                     esac
2187                     ;;
2188                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2189                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2190                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2191                 -msoft-float)   echo --float_support=vfplib       ;;
2192                 -O[0-3]|-mf=*)  echo $flag                        ;;
2193                 -g)             echo -g -mn                       ;;
2194                 -pds=*)         echo $flag                        ;;
2195             esac
2196         done
2197     }
2198 elif $cc -v 2>&1 | grep -q clang; then
2199     cc_type=clang
2200     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2201         cc_version=__clang_version__ || cc_version=__VERSION__
2202     cc_ident=$($cc --version | head -n1)
2203     CC_DEPFLAGS='-MMD'
2204     AS_DEPFLAGS='-MMD'
2205     speed_cflags='-O3'
2206     size_cflags='-Os'
2207 elif $cc -V 2>&1 | grep -q Sun; then
2208     cc_type=suncc
2209     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2210     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2211     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2212     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2213     add_ldflags -xc99
2214     speed_cflags='-O5'
2215     size_cflags='-O5 -xspace'
2216     filter_cflags=suncc_flags
2217     suncc_flags(){
2218         for flag; do
2219             case $flag in
2220                 -march=*|-mcpu=*)
2221                     case "${flag#*=}" in
2222                         native)                   echo -xtarget=native       ;;
2223                         v9|niagara)               echo -xarch=sparc          ;;
2224                         ultrasparc)               echo -xarch=sparcvis       ;;
2225                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2226                         i586|pentium)             echo -xchip=pentium        ;;
2227                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2228                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2229                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2230                         pentium4*)          echo -xtarget=pentium4           ;;
2231                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2232                         *-sse3)             echo -xarch=sse3                 ;;
2233                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2234                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2235                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2236                         k8|opteron|athlon64|athlon-fx)
2237                                                   echo -xarch=sse2a          ;;
2238                         athlon*)                  echo -xarch=pentium_proa   ;;
2239                     esac
2240                     ;;
2241                 -std=c99)             echo -xc99              ;;
2242                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2243                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2244                 -W*,*)                echo $flag              ;;
2245                 -f*-*|-W*)                                    ;;
2246                 *)                    echo $flag              ;;
2247             esac
2248         done
2249     }
2250 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2251     cc_type=pathscale
2252     cc_version=__PATHSCALE__
2253     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2254     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2255     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2256     speed_cflags='-O2'
2257     size_cflags='-Os'
2258     filter_cflags='filter_out -Wdisabled-optimization'
2259 elif $cc -v 2>&1 | grep -q Open64; then
2260     cc_type=open64
2261     cc_version=__OPEN64__
2262     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2263     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2264     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2265     speed_cflags='-O2'
2266     size_cflags='-Os'
2267     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2268 fi
2269
2270 test -n "$cc_type" && enable $cc_type ||
2271     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2272
2273 : ${as_default:=$cc}
2274 : ${dep_cc_default:=$cc}
2275 : ${ld_default:=$cc}
2276 set_default ar as dep_cc ld
2277
2278 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2279 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2280 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2281
2282 add_cflags $extra_cflags
2283 add_cxxflags $extra_cxxflags
2284 add_asflags $extra_cflags
2285
2286 if test -n "$sysroot"; then
2287     case "$cc_type" in
2288         gcc|llvm_gcc|clang)
2289             add_cppflags --sysroot="$sysroot"
2290             add_ldflags --sysroot="$sysroot"
2291         ;;
2292         tms470)
2293             add_cppflags -I"$sysinclude"
2294             add_ldflags  --sysroot="$sysroot"
2295         ;;
2296     esac
2297 fi
2298
2299 if test "$cpu" = host; then
2300     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2301
2302     case "$cc_type" in
2303         gcc|llvm_gcc)
2304             check_native(){
2305                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2306                 sed -n "/cc1.*$1=/{
2307                             s/.*$1=\\([^ ]*\\).*/\\1/
2308                             p
2309                             q
2310                         }" $TMPE
2311             }
2312             cpu=$(check_native -march || check_native -mcpu)
2313         ;;
2314     esac
2315
2316     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2317 fi
2318
2319 # Deal with common $arch aliases
2320 case "$arch" in
2321     arm*|iPad*)
2322         arch="arm"
2323     ;;
2324     mips|mipsel|IP*)
2325         arch="mips"
2326     ;;
2327     mips64*)
2328         arch="mips"
2329         subarch="mips64"
2330     ;;
2331     parisc|hppa)
2332         arch="parisc"
2333     ;;
2334     parisc64|hppa64)
2335         arch="parisc"
2336         subarch="parisc64"
2337     ;;
2338     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2339         arch="ppc"
2340     ;;
2341     s390|s390x)
2342         arch="s390"
2343     ;;
2344     sh4|sh)
2345         arch="sh4"
2346     ;;
2347     sun4u|sparc64)
2348         arch="sparc"
2349         subarch="sparc64"
2350     ;;
2351     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2352         arch="x86"
2353     ;;
2354 esac
2355
2356 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2357 enable $arch
2358
2359 # Add processor-specific flags
2360 if test "$cpu" = generic; then
2361     : do nothing
2362 elif enabled ppc; then
2363
2364     case $(tolower $cpu) in
2365         601|ppc601|powerpc601)
2366             cpuflags="-mcpu=601"
2367             disable altivec
2368         ;;
2369         603*|ppc603*|powerpc603*)
2370             cpuflags="-mcpu=603"
2371             disable altivec
2372         ;;
2373         604*|ppc604*|powerpc604*)
2374             cpuflags="-mcpu=604"
2375             disable altivec
2376         ;;
2377         g3|75*|ppc75*|powerpc75*)
2378             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2379             disable altivec
2380         ;;
2381         g4|745*|ppc745*|powerpc745*)
2382             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2383         ;;
2384         74*|ppc74*|powerpc74*)
2385             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2386         ;;
2387         g5|970|ppc970|powerpc970|power4*)
2388             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2389         ;;
2390         cell)
2391             cpuflags="-mcpu=cell"
2392             enable ldbrx
2393         ;;
2394         e500v2)
2395             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2396             disable altivec
2397         ;;
2398         e500)
2399             cpuflags="-mcpu=8540 -mhard-float"
2400             disable altivec
2401         ;;
2402     esac
2403
2404 elif enabled x86; then
2405
2406     case $cpu in
2407         i[345]86|pentium)
2408             cpuflags="-march=$cpu"
2409             disable mmx
2410         ;;
2411         # targets that do NOT support conditional mov (cmov)
2412         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2413             cpuflags="-march=$cpu"
2414             disable cmov
2415         ;;
2416         # targets that do support conditional mov (cmov)
2417         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2418             cpuflags="-march=$cpu"
2419             enable cmov
2420             enable fast_cmov
2421         ;;
2422         # targets that do support conditional mov but on which it's slow
2423         pentium4|pentium4m|prescott|nocona)
2424             cpuflags="-march=$cpu"
2425             enable cmov
2426             disable fast_cmov
2427         ;;
2428     esac
2429
2430 elif enabled sparc; then
2431
2432     case $cpu in
2433         niagara)
2434             cpuflags="-mcpu=$cpu"
2435             disable vis
2436         ;;
2437         sparc64)
2438             cpuflags="-mcpu=v9"
2439         ;;
2440     esac
2441
2442 elif enabled arm; then
2443
2444     case $cpu in
2445         armv*)
2446             cpuflags="-march=$cpu"
2447             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2448         ;;
2449         *)
2450             cpuflags="-mcpu=$cpu"
2451             case $cpu in
2452                 cortex-a*)                               subarch=armv7a  ;;
2453                 cortex-r*)                               subarch=armv7r  ;;
2454                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2455                 arm11*)                                  subarch=armv6   ;;
2456                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2457                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2458             esac
2459         ;;
2460     esac
2461
2462 elif enabled alpha; then
2463
2464     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2465
2466 elif enabled bfin; then
2467
2468     cpuflags="-mcpu=$cpu"
2469
2470 elif enabled mips; then
2471
2472     cpuflags="-march=$cpu"
2473
2474 elif enabled avr32; then
2475
2476     case $cpu in
2477         ap7[02]0[0-2])
2478             subarch="avr32_ap"
2479             cpuflags="-mpart=$cpu"
2480         ;;
2481         ap)
2482             subarch="avr32_ap"
2483             cpuflags="-march=$cpu"
2484         ;;
2485         uc3[ab]*)
2486             subarch="avr32_uc"
2487             cpuflags="-mcpu=$cpu"
2488         ;;
2489         uc)
2490             subarch="avr32_uc"
2491             cpuflags="-march=$cpu"
2492         ;;
2493     esac
2494
2495 fi
2496
2497 add_cflags $cpuflags
2498 add_asflags $cpuflags
2499
2500 # compiler sanity check
2501 check_exec <<EOF
2502 int main(void){ return 0; }
2503 EOF
2504 if test "$?" != 0; then
2505     echo "$cc is unable to create an executable file."
2506     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2507         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2508         echo "Only do this if you know what cross compiling means."
2509     fi
2510     die "C compiler test failed."
2511 fi
2512
2513 add_cppflags -D_ISOC99_SOURCE
2514 add_cxxflags -D__STDC_CONSTANT_MACROS
2515 check_cflags -std=c99
2516 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2517 #include <stdlib.h>
2518 EOF
2519 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2520 #include <stdlib.h>
2521 EOF
2522
2523 check_host_cflags -std=c99
2524 check_host_cflags -Wall
2525
2526 case "$arch" in
2527     alpha|ia64|mips|parisc|sparc)
2528         spic=$shared
2529     ;;
2530     x86)
2531         subarch="x86_32"
2532         check_cc <<EOF && subarch="x86_64"
2533         int test[(int)sizeof(char*) - 7];
2534 EOF
2535         if test "$subarch" = "x86_64"; then
2536             spic=$shared
2537         fi
2538     ;;
2539     ppc)
2540         check_cc <<EOF && subarch="ppc64"
2541         int test[(int)sizeof(char*) - 7];
2542 EOF
2543     ;;
2544 esac
2545
2546 enable $subarch
2547 enabled spic && enable pic
2548
2549 # OS specific
2550 case $target_os in
2551     haiku)
2552         prefix_default="/boot/common"
2553         network_extralibs="-lnetwork"
2554         host_libs=
2555         ;;
2556     sunos)
2557         FFSERVERLDFLAGS=""
2558         SHFLAGS='-shared -Wl,-h,$$(@F)'
2559         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2560         network_extralibs="-lsocket -lnsl"
2561         add_cppflags -D__EXTENSIONS__
2562         # When using suncc to build, the Solaris linker will mark
2563         # an executable with each instruction set encountered by
2564         # the Solaris assembler.  As our libraries contain their own
2565         # guards for processor-specific code, instead suppress
2566         # generation of the HWCAPS ELF section on Solaris x86 only.
2567         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2568         nm_opts='-P -g'
2569         ;;
2570     netbsd)
2571         disable symver
2572         oss_indev_extralibs="-lossaudio"
2573         oss_outdev_extralibs="-lossaudio"
2574         ;;
2575     openbsd)
2576         enable malloc_aligned
2577         # On OpenBSD 4.5. the compiler does not use PIC unless
2578         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2579         # however the generated executable will not do anything
2580         # (simply quits with exit-code 1, no crash, no output).
2581         # Thus explicitly enable PIC here.
2582         enable pic
2583         disable symver
2584         SHFLAGS='-shared'
2585         oss_indev_extralibs="-lossaudio"
2586         oss_outdev_extralibs="-lossaudio"
2587         ;;
2588     dragonfly)
2589         enable malloc_aligned
2590         disable symver
2591         ;;
2592     freebsd)
2593         enable malloc_aligned
2594         ;;
2595     bsd/os)
2596         add_extralibs -lpoll -lgnugetopt
2597         strip="strip -d"
2598         ;;
2599     darwin)
2600         enable malloc_aligned
2601         gas="gas-preprocessor.pl $cc"
2602         enabled ppc && add_asflags -force_cpusubtype_ALL
2603         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2604         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2605         strip="${strip} -x"
2606         add_ldflags -Wl,-dynamic,-search_paths_first
2607         SLIBSUF=".dylib"
2608         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2609         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2610         FFSERVERLDFLAGS=-Wl,-bind_at_load
2611         objformat="macho"
2612         enabled x86_64 && objformat="macho64"
2613         enabled_any pic shared ||
2614             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2615         ;;
2616     mingw32*)
2617         if test $target_os = "mingw32ce"; then
2618             disable network
2619         else
2620             target_os=mingw32
2621         fi
2622         LIBTARGET=i386
2623         if enabled x86_64; then
2624             enable malloc_aligned
2625             LIBTARGET=x64
2626         elif enabled arm; then
2627             LIBTARGET=arm-wince
2628         fi
2629         shlibdir_default="$bindir_default"
2630         SLIBPREF=""
2631         SLIBSUF=".dll"
2632         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2633         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2634         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2635         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2636         SLIB_INSTALL_LINKS=
2637         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2638         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2639         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'
2640         objformat="win32"
2641         enable dos_paths
2642         check_cflags -fno-common
2643         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2644                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2645                 die "ERROR: MinGW runtime version must be >= 3.15."
2646         add_cppflags -U__STRICT_ANSI__
2647         ;;
2648     cygwin*)
2649         target_os=cygwin
2650         shlibdir_default="$bindir_default"
2651         SLIBPREF="cyg"
2652         SLIBSUF=".dll"
2653         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2654         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2655         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2656         objformat="win32"
2657         enable dos_paths
2658         check_cflags -fno-common
2659         add_cppflags -U__STRICT_ANSI__
2660         ;;
2661     *-dos|freedos|opendos)
2662         network_extralibs="-lsocket"
2663         objformat="coff"
2664         enable dos_paths
2665         add_cppflags -U__STRICT_ANSI__
2666         ;;
2667     linux)
2668         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2669         enable dv1394
2670         ;;
2671     irix*)
2672         target_os=irix
2673         ranlib="echo ignoring ranlib"
2674         ;;
2675     os/2*)
2676         strip="lxlite -CS"
2677         ln_s="cp -f"
2678         objformat="aout"
2679         add_cppflags -D_GNU_SOURCE
2680         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2681         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2682         FFSERVERLDFLAGS=""
2683         LIBSUF="_s.a"
2684         SLIBPREF=""
2685         SLIBSUF=".dll"
2686         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2687         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2688         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2689           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2690           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2691           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2692           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2693           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2694         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2695           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2696         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2697         enable dos_paths
2698         enable_weak os2threads
2699         ;;
2700     gnu/kfreebsd)
2701         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2702         ;;
2703     gnu)
2704         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2705         ;;
2706     qnx)
2707         add_cppflags -D_QNX_SOURCE
2708         network_extralibs="-lsocket"
2709         ;;
2710     symbian)
2711         SLIBSUF=".dll"
2712         enable dos_paths
2713         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2714         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2715         add_ldflags -Wl,--target1-abs,--no-undefined \
2716                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2717                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2718         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2719                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2720                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2721         ;;
2722     none)
2723         ;;
2724     *)
2725         die "Unknown OS '$target_os'."
2726         ;;
2727 esac
2728
2729 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2730
2731 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2732
2733 set_default $PATHS_LIST
2734
2735 # we need to build at least one lib type
2736 if ! enabled_any static shared; then
2737     cat <<EOF
2738 At least one library type must be built.
2739 Specify --enable-static to build the static libraries or --enable-shared to
2740 build the shared libraries as well. To only build the shared libraries specify
2741 --disable-static in addition to --enable-shared.
2742 EOF
2743     exit 1;
2744 fi
2745
2746 die_license_disabled() {
2747     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2748 }
2749
2750 die_license_disabled gpl libcdio
2751 die_license_disabled gpl libx264
2752 die_license_disabled gpl libxavs
2753 die_license_disabled gpl libxvid
2754 die_license_disabled gpl x11grab
2755
2756 die_license_disabled nonfree libaacplus
2757 die_license_disabled nonfree libfaac
2758 die_license_disabled nonfree openssl
2759
2760 die_license_disabled version3 libopencore_amrnb
2761 die_license_disabled version3 libopencore_amrwb
2762 die_license_disabled version3 libvo_aacenc
2763 die_license_disabled version3 libvo_amrwbenc
2764
2765 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2766
2767 disabled optimizations || check_cflags -fomit-frame-pointer
2768
2769 enable_pic() {
2770     enable pic
2771     add_cppflags -DPIC
2772     add_cflags   -fPIC
2773     add_asflags  -fPIC
2774 }
2775
2776 enabled pic && enable_pic
2777
2778 check_cc <<EOF || die "Symbol mangling check failed."
2779 int ff_extern;
2780 EOF
2781 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2782 extern_prefix=${sym%%ff_extern*}
2783
2784 check_cc <<EOF && enable inline_asm
2785 void foo(void) { __asm__ volatile ("" ::); }
2786 EOF
2787
2788 _restrict=
2789 for restrict_keyword in restrict __restrict__ __restrict; do
2790     check_cc <<EOF && _restrict=$restrict_keyword && break
2791 void foo(char * $restrict_keyword p);
2792 EOF
2793 done
2794
2795 check_cc <<EOF && enable attribute_packed
2796 struct { int x; } __attribute__((packed)) x;
2797 EOF
2798
2799 check_cc <<EOF && enable attribute_may_alias
2800 union { int x; } __attribute__((may_alias)) x;
2801 EOF
2802
2803 check_cc <<EOF || die "endian test failed"
2804 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2805 EOF
2806 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2807
2808 if enabled alpha; then
2809
2810     check_cflags -mieee
2811
2812 elif enabled arm; then
2813
2814     enabled thumb && check_cflags -mthumb || check_cflags -marm
2815     nogas=die
2816
2817     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2818         enable vfp_args
2819     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2820         case "${cross_prefix:-$cc}" in
2821             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2822             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2823 __asm__ (".eabi_attribute 28, 1");
2824 int main(void) { return 0; }
2825 EOF
2826         esac
2827         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2828     fi
2829
2830     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2831     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2832     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2833     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2834     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2835     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2836     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2837
2838     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2839
2840     enabled_all armv6t2 shared !pic && enable_pic
2841
2842 elif enabled mips; then
2843
2844     check_asm loongson '"dmult.g $1, $2, $3"'
2845     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2846
2847 elif enabled ppc; then
2848
2849     enable local_aligned_8 local_aligned_16
2850
2851     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2852     check_asm ibm_asm   '"add 0, 0, 0"'
2853     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2854     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2855
2856     # AltiVec flags: The FSF version of GCC differs from the Apple version
2857     if enabled altivec; then
2858         nogas=warn
2859         check_cflags -maltivec -mabi=altivec &&
2860         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2861         check_cflags -faltivec
2862
2863         # check if our compiler supports Motorola AltiVec C API
2864         check_cc <<EOF || disable altivec
2865 $inc_altivec_h
2866 int main(void) {
2867     vector signed int v1, v2, v3;
2868     v1 = vec_add(v2,v3);
2869     return 0;
2870 }
2871 EOF
2872
2873         # check if our compiler supports braces for vector declarations
2874         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2875 $inc_altivec_h
2876 int main (void) { (vector int) {1}; return 0; }
2877 EOF
2878     fi
2879
2880 elif enabled sparc; then
2881
2882     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2883         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2884
2885 elif enabled x86; then
2886
2887     enable local_aligned_8 local_aligned_16
2888
2889     # check whether EBP is available on x86
2890     # As 'i' is stored on the stack, this program will crash
2891     # if the base pointer is used to access it because the
2892     # base pointer is cleared in the inline assembly code.
2893     check_exec_crash <<EOF && enable ebp_available
2894     volatile int i=0;
2895     __asm__ volatile (
2896         "xorl %%ebp, %%ebp"
2897     ::: "%ebp");
2898     return i;
2899 EOF
2900
2901     # check whether EBX is available on x86
2902     check_asm ebx_available '""::"b"(0)' &&
2903         check_asm ebx_available '"":::"%ebx"'
2904
2905     # check whether xmm clobbers are supported
2906     check_asm xmm_clobbers '"":::"%xmm0"'
2907
2908     # check whether binutils is new enough to compile SSSE3/MMX2
2909     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2910     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2911
2912     if ! disabled_any asm mmx yasm; then
2913         if check_cmd $yasmexe --version; then
2914             enabled x86_64 && yasm_extra="-m amd64"
2915             yasm_debug="-g dwarf2"
2916         elif check_cmd nasm -v; then
2917             yasmexe=nasm
2918             yasm_debug="-g -F dwarf"
2919             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2920         fi
2921
2922         YASMFLAGS="-f $objformat $yasm_extra"
2923         enabled pic               && append YASMFLAGS "-DPIC"
2924         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2925         case "$objformat" in
2926             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2927         esac
2928
2929         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2930             die "yasm not found, use --disable-yasm for a crippled build"
2931         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2932     fi
2933
2934     case "$cpu" in
2935         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2936             disable fast_clz
2937         ;;
2938     esac
2939
2940 fi
2941
2942 if enabled asm; then
2943     as=${gas:=$as}
2944     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2945         $nogas "GNU assembler not found, install gas-preprocessor"
2946 fi
2947
2948 check_ldflags -Wl,--as-needed
2949
2950 if check_func dlopen; then
2951     ldl=
2952 elif check_func dlopen -ldl; then
2953     ldl=-ldl
2954 fi
2955
2956 if enabled network; then
2957     check_type "sys/types.h sys/socket.h" socklen_t
2958     check_type netdb.h "struct addrinfo"
2959     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2960     check_type netinet/in.h "struct sockaddr_in6"
2961     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2962     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2963     # Prefer arpa/inet.h over winsock2
2964     if check_header arpa/inet.h ; then
2965         check_func closesocket
2966     elif check_header winsock2.h ; then
2967         check_func_headers winsock2.h closesocket -lws2 && \
2968             network_extralibs="-lws2" || \
2969         { check_func_headers winsock2.h closesocket -lws2_32 && \
2970             network_extralibs="-lws2_32"; }
2971         check_type ws2tcpip.h socklen_t
2972         check_type ws2tcpip.h "struct addrinfo"
2973         check_type ws2tcpip.h "struct ipv6_mreq"
2974         check_type ws2tcpip.h "struct sockaddr_in6"
2975         check_type ws2tcpip.h "struct sockaddr_storage"
2976         check_struct winsock2.h "struct sockaddr" sa_len
2977     else
2978         disable network
2979     fi
2980 fi
2981
2982 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2983 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2984
2985 check_func  fcntl
2986 check_func  fork
2987 check_func  getaddrinfo $network_extralibs
2988 check_func  gethrtime
2989 check_func  getrusage
2990 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2991 check_func  inet_aton $network_extralibs
2992 check_func  isatty
2993 check_func  localtime_r
2994 check_func  ${malloc_prefix}memalign            && enable memalign
2995 check_func  mkstemp
2996 check_func  mmap
2997 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2998 check_func  setrlimit
2999 check_func  strerror_r
3000 check_func  strptime
3001 check_func_headers conio.h kbhit
3002 check_func_headers windows.h PeekNamedPipe
3003 check_func_headers io.h setmode
3004 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3005 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3006 check_func_headers windows.h GetProcessTimes
3007 check_func_headers windows.h MapViewOfFile
3008 check_func_headers windows.h VirtualAlloc
3009
3010 check_header dlfcn.h
3011 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3012 check_header libcrystalhd/libcrystalhd_if.h
3013 check_header malloc.h
3014 check_header poll.h
3015 check_header sys/mman.h
3016 check_header sys/resource.h
3017 check_header sys/select.h
3018 check_header termios.h
3019 check_header vdpau/vdpau.h
3020 check_header vdpau/vdpau_x11.h
3021 check_header X11/extensions/XvMClib.h
3022 check_header asm/types.h
3023
3024 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3025 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3026
3027 # check for VDA header
3028 if ! disabled vda; then
3029     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3030         enable vda
3031         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3032     fi
3033 fi
3034
3035 if ! disabled w32threads && ! enabled pthreads; then
3036     check_func _beginthreadex && enable w32threads
3037 fi
3038
3039 # check for some common methods of building with pthread support
3040 # do this before the optional library checks as some of them require pthreads
3041 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3042     enable pthreads
3043     if check_func pthread_create; then
3044         :
3045     elif check_func pthread_create -pthread; then
3046         add_cflags -pthread
3047         add_extralibs -pthread
3048     elif check_func pthread_create -pthreads; then
3049         add_cflags -pthreads
3050         add_extralibs -pthreads
3051     elif check_func pthread_create -lpthreadGC2; then
3052         add_extralibs -lpthreadGC2
3053     elif ! check_lib pthread.h pthread_create -lpthread; then
3054         disable pthreads
3055     fi
3056 fi
3057
3058 for thread in $THREADS_LIST; do
3059     if enabled $thread; then
3060         test -n "$thread_type" &&
3061             die "ERROR: Only one thread type must be selected." ||
3062             thread_type="$thread"
3063     fi
3064 done
3065
3066 check_lib math.h sin -lm && LIBM="-lm"
3067 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3068 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3069
3070 check_mathfunc cbrtf
3071 check_mathfunc exp2
3072 check_mathfunc exp2f
3073 check_mathfunc llrint
3074 check_mathfunc llrintf
3075 check_mathfunc log2
3076 check_mathfunc log2f
3077 check_mathfunc lrint
3078 check_mathfunc lrintf
3079 check_mathfunc round
3080 check_mathfunc roundf
3081 check_mathfunc trunc
3082 check_mathfunc truncf
3083
3084 # these are off by default, so fail if requested and not available
3085 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3086 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3087 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3088 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3089 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3090 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0
3091 enabled libdc1394  && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
3092 enabled libdirac   && require_pkg_config dirac                          \
3093     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
3094     "dirac_decoder_init dirac_encoder_init"
3095 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3096 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3097 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3098 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3099 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3100 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3101 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3102 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3103 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3104 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3105 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3106 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3107 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3108 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3109 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3110     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3111     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3112 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3113 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3114 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3115 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3116 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3117 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3118 enabled libvpx     && {
3119     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3120                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3121     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3122                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3123 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3124                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3125                         die "ERROR: libx264 version must be >= 0.118."; }
3126 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3127 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3128 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3129                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3130                         die "ERROR: openal not found"; } &&
3131                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3132                         die "ERROR: openal version must be 1.1 or compatible"; }
3133 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
3134 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3135                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3136                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3137                         die "ERROR: openssl not found"; }
3138
3139 SDL_CONFIG="${cross_prefix}sdl-config"
3140 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3141     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3142     enable sdl &&
3143     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3144 else
3145   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3146     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3147     sdl_libs=$("${SDL_CONFIG}" --libs)
3148     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3149     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3150     enable sdl &&
3151     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3152   fi
3153 fi
3154 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3155
3156 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3157 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3158
3159 check_header linux/fb.h
3160 check_header linux/videodev.h
3161 check_header linux/videodev2.h
3162 check_header sys/videoio.h
3163
3164 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3165 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3166 # w32api 3.12 had it defined wrong
3167 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3168
3169 check_type "dshow.h" IBaseFilter
3170
3171 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3172 { check_header dev/bktr/ioctl_meteor.h &&
3173   check_header dev/bktr/ioctl_bt848.h; } ||
3174 { check_header machine/ioctl_meteor.h &&
3175   check_header machine/ioctl_bt848.h; } ||
3176 { check_header dev/video/meteor/ioctl_meteor.h &&
3177   check_header dev/video/bktr/ioctl_bt848.h; } ||
3178 check_header dev/ic/bt8xx.h
3179
3180 check_header sndio.h
3181 if check_struct sys/soundcard.h audio_buf_info bytes; then
3182     enable_safe sys/soundcard.h
3183 else
3184     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3185     #include <sys/soundcard.h>
3186     audio_buf_info abc;
3187 EOF
3188 fi
3189 check_header soundcard.h
3190
3191 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3192
3193 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3194
3195 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3196
3197 enabled libcdio &&
3198     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3199
3200 enabled x11grab                         &&
3201 check_header X11/Xlib.h                 &&
3202 check_header X11/extensions/XShm.h      &&
3203 check_header X11/extensions/Xfixes.h    &&
3204 check_func XOpenDisplay -lX11           &&
3205 check_func XShmCreateImage -lX11 -lXext &&
3206 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3207
3208 if ! disabled vaapi; then
3209     check_lib va/va.h vaInitialize -lva && {
3210         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3211         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3212     } || disable vaapi
3213 fi
3214
3215 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3216 check_cpp_condition \
3217     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3218     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3219       disable vdpau; }
3220 fi
3221
3222 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3223 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3224
3225 # add some useful compiler flags if supported
3226 check_cflags -Wdeclaration-after-statement
3227 check_cflags -Wall
3228 check_cflags -Wno-parentheses
3229 check_cflags -Wno-switch
3230 check_cflags -Wno-format-zero-length
3231 check_cflags -Wdisabled-optimization
3232 check_cflags -Wpointer-arith
3233 check_cflags -Wredundant-decls
3234 check_cflags -Wno-pointer-sign
3235 check_cflags -Wcast-qual
3236 check_cflags -Wwrite-strings
3237 check_cflags -Wtype-limits
3238 check_cflags -Wundef
3239 check_cflags -Wmissing-prototypes
3240 check_cflags -Wno-pointer-to-int-cast
3241 check_cflags -Wstrict-prototypes
3242 enabled extra_warnings && check_cflags -Winline
3243
3244 # add some linker flags
3245 check_ldflags -Wl,--warn-common
3246 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3247 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3248
3249 echo "X{};" > $TMPV
3250 if test_ldflags -Wl,--version-script,$TMPV; then
3251     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3252     check_cc <<EOF && enable symver_asm_label
3253 void ff_foo(void) __asm__ ("av_foo@VERSION");
3254 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3255 EOF
3256     check_cc <<EOF && enable symver_gnu_asm
3257 __asm__(".symver ff_foo,av_foo@VERSION");
3258 void ff_foo(void) {}
3259 EOF
3260 fi
3261
3262 if [ -n "$optflags" ]; then
3263     add_cflags $optflags
3264 elif enabled small; then
3265     add_cflags $size_cflags
3266 elif enabled optimizations; then
3267     add_cflags $speed_cflags
3268 else
3269     add_cflags $noopt_cflags
3270 fi
3271 check_cflags -fno-math-errno
3272 check_cflags -fno-signed-zeros
3273 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3274 int x;
3275 EOF
3276
3277
3278 if enabled icc; then
3279     # Just warnings, no remarks
3280     check_cflags -w1
3281     # -wd: Disable following warnings
3282     # 144, 167, 556: -Wno-pointer-sign
3283     # 1292: attribute "foo" ignored
3284     # 10006: ignoring unknown option -fno-signed-zeros
3285     # 10148: ignoring unknown option -Wno-parentheses
3286     # 10156: ignoring option '-W'; no argument required
3287     check_cflags -wd144,167,556,1292,10006,10148,10156
3288     # 11030: Warning unknown option --as-needed
3289     # 10156: ignoring option '-export'; no argument required
3290     check_ldflags -wd10156,11030
3291     # Allow to compile with optimizations
3292     check_ldflags -march=$cpu
3293     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3294     enable ebp_available
3295     if enabled x86_32; then
3296         test ${icc_version%%.*} -ge 11 && \
3297             check_cflags -falign-stack=maintain-16-byte || \
3298             disable aligned_stack
3299     fi
3300 elif enabled ccc; then
3301     # disable some annoying warnings
3302     add_cflags -msg_disable cvtu32to64
3303     add_cflags -msg_disable embedcomment
3304     add_cflags -msg_disable needconstext
3305     add_cflags -msg_disable nomainieee
3306     add_cflags -msg_disable ptrmismatch1
3307     add_cflags -msg_disable unreachcode
3308 elif enabled gcc; then
3309     check_cflags -fno-tree-vectorize
3310     check_cflags -Werror=implicit-function-declaration
3311     check_cflags -Werror=missing-prototypes
3312 elif enabled llvm_gcc; then
3313     check_cflags -mllvm -stack-alignment=16
3314 elif enabled clang; then
3315     check_cflags -mllvm -stack-alignment=16
3316     check_cflags -Qunused-arguments
3317 elif enabled armcc; then
3318     # 2523: use of inline assembler is deprecated
3319     add_cflags -W${armcc_opt},--diag_suppress=2523
3320     add_cflags -W${armcc_opt},--diag_suppress=1207
3321     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3322     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3323     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3324     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3325 elif enabled tms470; then
3326     add_cflags -pds=824 -pds=837
3327 elif enabled pathscale; then
3328     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3329 fi
3330
3331 enabled_any $THREADS_LIST      && enable threads
3332
3333 check_deps $CONFIG_LIST       \
3334            $CONFIG_EXTRA      \
3335            $HAVE_LIST         \
3336            $ALL_COMPONENTS    \
3337            $ALL_TESTS         \
3338
3339 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3340
3341 if test $target_os = "haiku"; then
3342     disable memalign
3343     disable posix_memalign
3344 fi
3345
3346 ! enabled_any memalign posix_memalign malloc_aligned &&
3347     enabled_any $need_memalign && enable memalign_hack
3348
3349 echo "install prefix            $prefix"
3350 echo "source path               $source_path"
3351 echo "C compiler                $cc"
3352 echo "ARCH                      $arch ($cpu)"
3353 if test "$build_suffix" != ""; then
3354     echo "build suffix              $build_suffix"
3355 fi
3356 if test "$progs_suffix" != ""; then
3357     echo "progs suffix              $progs_suffix"
3358 fi
3359 if test "$extra_version" != ""; then
3360     echo "version string suffix     $extra_version"
3361 fi
3362 echo "big-endian                ${bigendian-no}"
3363 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3364 if enabled x86; then
3365     echo "${yasmexe}                      ${yasm-no}"
3366     echo "MMX enabled               ${mmx-no}"
3367     echo "MMX2 enabled              ${mmx2-no}"
3368     echo "3DNow! enabled            ${amd3dnow-no}"
3369     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3370     echo "SSE enabled               ${sse-no}"
3371     echo "SSSE3 enabled             ${ssse3-no}"
3372     echo "AVX enabled               ${avx-no}"
3373     echo "CMOV enabled              ${cmov-no}"
3374     echo "CMOV is fast              ${fast_cmov-no}"
3375     echo "EBX available             ${ebx_available-no}"
3376     echo "EBP available             ${ebp_available-no}"
3377 fi
3378 if enabled arm; then
3379     echo "ARMv5TE enabled           ${armv5te-no}"
3380     echo "ARMv6 enabled             ${armv6-no}"
3381     echo "ARMv6T2 enabled           ${armv6t2-no}"
3382     echo "ARM VFP enabled           ${armvfp-no}"
3383     echo "IWMMXT enabled            ${iwmmxt-no}"
3384     echo "NEON enabled              ${neon-no}"
3385 fi
3386 if enabled mips; then
3387     echo "MMI enabled               ${mmi-no}"
3388 fi
3389 if enabled ppc; then
3390     echo "AltiVec enabled           ${altivec-no}"
3391     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3392     echo "dcbzl available           ${dcbzl-no}"
3393 fi
3394 if enabled sparc; then
3395     echo "VIS enabled               ${vis-no}"
3396 fi
3397 echo "debug symbols             ${debug-no}"
3398 echo "strip symbols             ${stripping-no}"
3399 echo "optimize for size         ${small-no}"
3400 echo "optimizations             ${optimizations-no}"
3401 echo "static                    ${static-no}"
3402 echo "shared                    ${shared-no}"
3403 echo "postprocessing support    ${postproc-no}"
3404 echo "new filter support        ${avfilter-no}"
3405 echo "network support           ${network-no}"
3406 echo "threading support         ${thread_type-no}"
3407 echo "SDL support               ${sdl-no}"
3408 echo "Sun medialib support      ${mlib-no}"
3409 echo "libdxva2 enabled          ${dxva2-no}"
3410 echo "libva enabled             ${vaapi-no}"
3411 echo "libvdpau enabled          ${vdpau-no}"
3412 echo "AVISynth enabled          ${avisynth-no}"
3413 echo "frei0r enabled            ${frei0r-no}"
3414 echo "gnutls enabled            ${gnutls-no}"
3415 echo "libaacplus enabled        ${libaacplus-no}"
3416 echo "libass enabled            ${libass-no}"
3417 echo "libcdio support           ${libcdio-no}"
3418 echo "libcelt enabled           ${libcelt-no}"
3419 echo "libdc1394 support         ${libdc1394-no}"
3420 echo "libdirac enabled          ${libdirac-no}"
3421 echo "libfaac enabled           ${libfaac-no}"
3422 echo "libgsm enabled            ${libgsm-no}"
3423 echo "libmodplug enabled        ${libmodplug-no}"
3424 echo "libmp3lame enabled        ${libmp3lame-no}"
3425 echo "libnut enabled            ${libnut-no}"
3426 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3427 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3428 echo "libopencv support         ${libopencv-no}"
3429 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3430 echo "libpulse enabled          ${libpulse-no}"
3431 echo "librtmp enabled           ${librtmp-no}"
3432 echo "libschroedinger enabled   ${libschroedinger-no}"
3433 echo "libspeex enabled          ${libspeex-no}"
3434 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3435 echo "libtheora enabled         ${libtheora-no}"
3436 echo "libutvideo enabled        ${libutvideo-no}"
3437 echo "libv4l2 enabled           ${libv4l2-no}"
3438 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3439 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3440 echo "libvorbis enabled         ${libvorbis-no}"
3441 echo "libvpx enabled            ${libvpx-no}"
3442 echo "libx264 enabled           ${libx264-no}"
3443 echo "libxavs enabled           ${libxavs-no}"
3444 echo "libxvid enabled           ${libxvid-no}"
3445 echo "openal enabled            ${openal-no}"
3446 echo "openssl enabled           ${openssl-no}"
3447 echo "zlib enabled              ${zlib-no}"
3448 echo "bzlib enabled             ${bzlib-no}"
3449 echo
3450
3451 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3452     echo "Enabled ${type}s:"
3453     eval list=\$$(toupper $type)_LIST
3454     print_enabled '_*' $list | sort | pr -r -3 -t
3455     echo
3456 done
3457
3458 license="LGPL version 2.1 or later"
3459 if enabled nonfree; then
3460     license="nonfree and unredistributable"
3461 elif enabled gplv3; then
3462     license="GPL version 3 or later"
3463 elif enabled lgplv3; then
3464     license="LGPL version 3 or later"
3465 elif enabled gpl; then
3466     license="GPL version 2 or later"
3467 fi
3468
3469 echo "License: $license"
3470
3471 echo "Creating config.mak and config.h..."
3472
3473 test -e Makefile || $ln_s "$source_path/Makefile" .
3474
3475 enabled stripping || strip="echo skipping strip"
3476
3477 config_files="$TMPH config.mak"
3478
3479 cat > config.mak <<EOF
3480 # Automatically generated by configure - do not modify!
3481 ifndef FFMPEG_CONFIG_MAK
3482 FFMPEG_CONFIG_MAK=1
3483 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3484 prefix=$prefix
3485 LIBDIR=\$(DESTDIR)$libdir
3486 SHLIBDIR=\$(DESTDIR)$shlibdir
3487 INCDIR=\$(DESTDIR)$incdir
3488 BINDIR=\$(DESTDIR)$bindir
3489 DATADIR=\$(DESTDIR)$datadir
3490 MANDIR=\$(DESTDIR)$mandir
3491 SRC_PATH=$source_path
3492 ifndef MAIN_MAKEFILE
3493 SRC_PATH:=\$(SRC_PATH:.%=..%)
3494 endif
3495 CC_IDENT=$cc_ident
3496 ARCH=$arch
3497 CC=$cc
3498 CXX=$cxx
3499 AS=$as
3500 LD=$ld
3501 DEPCC=$dep_cc
3502 YASM=$yasmexe
3503 YASMDEP=$yasmexe
3504 AR=$ar
3505 RANLIB=$ranlib
3506 CP=cp -p
3507 LN_S=$ln_s
3508 STRIP=$strip
3509 CPPFLAGS=$CPPFLAGS
3510 CFLAGS=$CFLAGS
3511 CXXFLAGS=$CXXFLAGS
3512 ASFLAGS=$ASFLAGS
3513 AS_O=$CC_O
3514 CC_O=$CC_O
3515 CXX_O=$CXX_O
3516 LDFLAGS=$LDFLAGS
3517 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3518 SHFLAGS=$SHFLAGS
3519 YASMFLAGS=$YASMFLAGS
3520 BUILDSUF=$build_suffix
3521 PROGSSUF=$progs_suffix
3522 FULLNAME=$FULLNAME
3523 LIBPREF=$LIBPREF
3524 LIBSUF=$LIBSUF
3525 LIBNAME=$LIBNAME
3526 SLIBPREF=$SLIBPREF
3527 SLIBSUF=$SLIBSUF
3528 EXESUF=$EXESUF
3529 EXTRA_VERSION=$extra_version
3530 DEPFLAGS=$DEPFLAGS
3531 CCDEP=$CCDEP
3532 CXXDEP=$CXXDEP
3533 ASDEP=$ASDEP
3534 CC_DEPFLAGS=$CC_DEPFLAGS
3535 AS_DEPFLAGS=$AS_DEPFLAGS
3536 HOSTCC=$host_cc
3537 HOSTCFLAGS=$host_cflags
3538 HOSTEXESUF=$HOSTEXESUF
3539 HOSTLDFLAGS=$host_ldflags
3540 HOSTLIBS=$host_libs
3541 TARGET_EXEC=$target_exec
3542 TARGET_PATH=$target_path
3543 SDL_LIBS=$sdl_libs
3544 SDL_CFLAGS=$sdl_cflags
3545 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3546 EXTRALIBS=$extralibs
3547 INSTALL=$install
3548 LIBTARGET=${LIBTARGET}
3549 SLIBNAME=${SLIBNAME}
3550 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3551 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3552 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3553 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3554 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3555 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3556 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3557 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3558 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3559 NOREDZONE_FLAGS=$noredzone_flags
3560 EOF
3561
3562 get_version(){
3563     name=$1
3564     file=$source_path/$2
3565     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3566     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3567     lcname=$(tolower $name)
3568     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3569     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3570 }
3571
3572 get_version LIBAVCODEC  libavcodec/version.h
3573 get_version LIBAVDEVICE libavdevice/avdevice.h
3574 get_version LIBAVFILTER libavfilter/avfilter.h
3575 get_version LIBAVFORMAT libavformat/version.h
3576 get_version LIBAVUTIL   libavutil/avutil.h
3577 get_version LIBPOSTPROC libpostproc/postprocess.h
3578 get_version LIBSWRESAMPLE libswresample/swresample.h
3579 get_version LIBSWSCALE  libswscale/swscale.h
3580
3581 cat > $TMPH <<EOF
3582 /* Automatically generated by configure - do not modify! */
3583 #ifndef FFMPEG_CONFIG_H
3584 #define FFMPEG_CONFIG_H
3585 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3586 #define FFMPEG_LICENSE "$(c_escape $license)"
3587 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3588 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3589 #define CC_TYPE "$cc_type"
3590 #define CC_VERSION $cc_version
3591 #define restrict $_restrict
3592 #define EXTERN_PREFIX "${extern_prefix}"
3593 #define EXTERN_ASM ${extern_prefix}
3594 #define SLIBSUF "$SLIBSUF"
3595 EOF
3596
3597 test -n "$malloc_prefix" &&
3598     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3599
3600 if enabled small || disabled optimizations; then
3601     echo "#undef  av_always_inline"  >> $TMPH
3602     if enabled small; then
3603         echo "#define av_always_inline inline"  >> $TMPH
3604     else
3605         echo "#define av_always_inline av_unused"  >> $TMPH
3606     fi
3607 fi
3608
3609 if enabled yasm; then
3610     append config_files $TMPASM
3611     printf '' >$TMPASM
3612 fi
3613
3614 print_config ARCH_   "$config_files" $ARCH_LIST
3615 print_config HAVE_   "$config_files" $HAVE_LIST
3616 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3617                                      $CONFIG_EXTRA      \
3618                                      $ALL_COMPONENTS    \
3619
3620 cat >>config.mak <<EOF
3621 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3622 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3623 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3624 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3625 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3626 EOF
3627
3628 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3629 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3630
3631 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3632 cp_if_changed $TMPH config.h
3633 touch .config
3634
3635 enabled yasm && cp_if_changed $TMPASM config.asm
3636
3637 cat > $TMPH <<EOF
3638 /* Generated by ffconf */
3639 #ifndef AVUTIL_AVCONFIG_H
3640 #define AVUTIL_AVCONFIG_H
3641 EOF
3642
3643 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3644
3645 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3646
3647 cp_if_changed $TMPH libavutil/avconfig.h
3648
3649 test -n "$WARNINGS" && printf "\n$WARNINGS"
3650
3651 # build pkg-config files
3652
3653 pkgconfig_generate(){
3654 name=$1
3655 shortname=${name#lib}${build_suffix}
3656 comment=$2
3657 version=$3
3658 libs=$4
3659 requires=$5
3660 enabled ${name#lib} || return 0
3661 mkdir -p $name
3662 cat <<EOF > $name/$name.pc
3663 prefix=$prefix
3664 exec_prefix=\${prefix}
3665 libdir=$libdir
3666 includedir=$incdir
3667
3668 Name: $name
3669 Description: $comment
3670 Version: $version
3671 Requires: $(enabled shared || echo $requires)
3672 Requires.private: $(enabled shared && echo $requires)
3673 Conflicts:
3674 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3675 Libs.private: $(enabled shared && echo $libs)
3676 Cflags: -I\${includedir}
3677 EOF
3678 cat <<EOF > $name/$name-uninstalled.pc
3679 prefix=
3680 exec_prefix=
3681 libdir=\${pcfiledir}
3682 includedir=${source_path}
3683
3684 Name: $name
3685 Description: $comment
3686 Version: $version
3687 Requires: $requires
3688 Conflicts:
3689 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3690 Cflags: -I\${includedir}
3691 EOF
3692 }
3693
3694 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3695 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3696 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3697 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3698 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3699 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3700 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3701 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"