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     avplay
 996     avprobe
 997     avserver
 998     aandct
 999     ac3dsp
1000     avcodec
1001     avdevice
1002     avfilter
1003     avformat
1004     avisynth
1005     bzlib
1006     crystalhd
1007     dct
1008     doc
1009     dwt
1010     dxva2
1011     fastdiv
1012     fft
1013     frei0r
1014     gnutls
1015     golomb
1016     gpl
1017     gray
1018     h264chroma
1019     h264dsp
1020     h264pred
1021     hardcoded_tables
1022     huffman
1023     libaacplus
1024     libass
1025     libcdio
1026     libcelt
1027     libdc1394
1028     libdirac
1029     libfaac
1030     libfreetype
1031     libgsm
1032     libmodplug
1033     libmp3lame
1034     libnut
1035     libopencore_amrnb
1036     libopencore_amrwb
1037     libopencv
1038     libopenjpeg
1039     libpulse
1040     librtmp
1041     libschroedinger
1042     libspeex
1043     libstagefright_h264
1044     libtheora
1045     libutvideo
1046     libv4l2
1047     libvo_aacenc
1048     libvo_amrwbenc
1049     libvorbis
1050     libvpx
1051     libx264
1052     libxavs
1053     libxvid
1054     lpc
1055     lsp
1056     mdct
1057     memalign_hack
1058     mlib
1059     mpegaudiodsp
1060     network
1061     nonfree
1062     openal
1063     openssl
1064     pic
1065     postproc
1066     rdft
1067     rtpdec
1068     runtime_cpudetect
1069     safe_bitstream_reader
1070     shared
1071     sinewin
1072     small
1073     sram
1074     static
1075     swresample
1076     swscale
1077     swscale_alpha
1078     thumb
1079     vaapi
1080     vda
1081     vdpau
1082     version3
1083     x11grab
1084     zlib
1085 "
1086
1087 THREADS_LIST='
1088     pthreads
1089     w32threads
1090     os2threads
1091 '
1092
1093 ARCH_LIST='
1094     alpha
1095     arm
1096     avr32
1097     avr32_ap
1098     avr32_uc
1099     bfin
1100     ia64
1101     m68k
1102     mips
1103     mips64
1104     parisc
1105     ppc
1106     ppc64
1107     s390
1108     sh4
1109     sparc
1110     sparc64
1111     tomi
1112     x86
1113     x86_32
1114     x86_64
1115 '
1116
1117 ARCH_EXT_LIST='
1118     altivec
1119     amd3dnow
1120     amd3dnowext
1121     armv5te
1122     armv6
1123     armv6t2
1124     armvfp
1125     avx
1126     iwmmxt
1127     mmi
1128     mmx
1129     mmx2
1130     neon
1131     ppc4xx
1132     sse
1133     ssse3
1134     vfpv3
1135     vis
1136 '
1137
1138 HAVE_LIST_PUB='
1139     bigendian
1140     fast_unaligned
1141 '
1142
1143 HAVE_LIST="
1144     $ARCH_EXT_LIST
1145     $HAVE_LIST_PUB
1146     $THREADS_LIST
1147     aligned_stack
1148     alsa_asoundlib_h
1149     altivec_h
1150     arpa_inet_h
1151     asm_mod_y
1152     asm_types_h
1153     attribute_may_alias
1154     attribute_packed
1155     cbrtf
1156     closesocket
1157     cmov
1158     dcbzl
1159     dev_bktr_ioctl_bt848_h
1160     dev_bktr_ioctl_meteor_h
1161     dev_ic_bt8xx_h
1162     dev_video_bktr_ioctl_bt848_h
1163     dev_video_meteor_ioctl_meteor_h
1164     dlfcn_h
1165     dlopen
1166     dos_paths
1167     ebp_available
1168     ebx_available
1169     exp2
1170     exp2f
1171     fast_64bit
1172     fast_clz
1173     fast_cmov
1174     fcntl
1175     fork
1176     getaddrinfo
1177     gethrtime
1178     GetProcessMemoryInfo
1179     GetProcessTimes
1180     GetSystemInfo
1181     getrusage
1182     gnu_as
1183     ibm_asm
1184     inet_aton
1185     inline_asm
1186     isatty
1187     kbhit
1188     ldbrx
1189     llrint
1190     llrintf
1191     local_aligned_16
1192     local_aligned_8
1193     localtime_r
1194     log2
1195     log2f
1196     loongson
1197     lrint
1198     lrintf
1199     lzo1x_999_compress
1200     machine_ioctl_bt848_h
1201     machine_ioctl_meteor_h
1202     makeinfo
1203     malloc_h
1204     MapViewOfFile
1205     memalign
1206     mkstemp
1207     mmap
1208     PeekNamedPipe
1209     poll_h
1210     posix_memalign
1211     round
1212     roundf
1213     sched_getaffinity
1214     sdl
1215     sdl_video_size
1216     setmode
1217     setrlimit
1218     sndio_h
1219     socklen_t
1220     soundcard_h
1221     strerror_r
1222     strptime
1223     struct_addrinfo
1224     struct_ipv6_mreq
1225     struct_rusage_ru_maxrss
1226     struct_sockaddr_in6
1227     struct_sockaddr_sa_len
1228     struct_sockaddr_storage
1229     symver
1230     symver_asm_label
1231     symver_gnu_asm
1232     sysconf
1233     sysctl
1234     sys_mman_h
1235     sys_param_h
1236     sys_resource_h
1237     sys_select_h
1238     sys_soundcard_h
1239     sys_videoio_h
1240     termios_h
1241     threads
1242     trunc
1243     truncf
1244     vfp_args
1245     VirtualAlloc
1246     winsock2_h
1247     xform_asm
1248     xmm_clobbers
1249     yasm
1250 "
1251
1252 # options emitted with CONFIG_ prefix but not available on command line
1253 CONFIG_EXTRA="
1254     avutil
1255     gplv3
1256     lgplv3
1257 "
1258
1259 CMDLINE_SELECT="
1260     $ARCH_EXT_LIST
1261     $CONFIG_LIST
1262     $THREADS_LIST
1263     asm
1264     coverage
1265     cross_compile
1266     debug
1267     extra_warnings
1268     logging
1269     optimizations
1270     stripping
1271     symver
1272     yasm
1273 "
1274
1275 PATHS_LIST='
1276     bindir
1277     datadir
1278     incdir
1279     libdir
1280     mandir
1281     prefix
1282     shlibdir
1283 '
1284
1285 CMDLINE_SET="
1286     $PATHS_LIST
1287     ar
1288     arch
1289     as
1290     build_suffix
1291     progs_suffix
1292     cc
1293     cpu
1294     cross_prefix
1295     cxx
1296     dep_cc
1297     extra_version
1298     host_cc
1299     host_cflags
1300     host_ldflags
1301     host_libs
1302     host_os
1303     install
1304     ld
1305     logfile
1306     malloc_prefix
1307     nm
1308     optflags
1309     pkg_config
1310     samples
1311     strip
1312     sysinclude
1313     sysroot
1314     target_exec
1315     target_os
1316     target_path
1317 "
1318
1319 CMDLINE_APPEND="
1320     extra_cflags
1321     extra_cxxflags
1322 "
1323
1324 # code dependency declarations
1325
1326 # architecture extensions
1327
1328 armv5te_deps="arm"
1329 armv6_deps="arm"
1330 armv6t2_deps="arm"
1331 armvfp_deps="arm"
1332 iwmmxt_deps="arm"
1333 neon_deps="arm"
1334 vfpv3_deps="armvfp"
1335
1336 mmi_deps="mips"
1337
1338 altivec_deps="ppc"
1339 ppc4xx_deps="ppc"
1340
1341 vis_deps="sparc"
1342
1343 x86_64_suggest="cmov fast_cmov"
1344 amd3dnow_deps="mmx"
1345 amd3dnowext_deps="amd3dnow"
1346 mmx_deps="x86"
1347 mmx2_deps="mmx"
1348 sse_deps="mmx"
1349 ssse3_deps="sse"
1350 avx_deps="ssse3"
1351
1352 aligned_stack_if_any="ppc x86"
1353 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1354 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1355 fast_unaligned_if_any="armv6 ppc x86"
1356
1357 inline_asm_deps="!tms470"
1358 need_memalign="altivec neon sse"
1359
1360 symver_if_any="symver_asm_label symver_gnu_asm"
1361
1362 # subsystems
1363 dct_select="rdft"
1364 mdct_select="fft"
1365 rdft_select="fft"
1366 mpegaudiodsp_select="dct"
1367
1368 # decoders / encoders / hardware accelerators
1369 aac_decoder_select="mdct sinewin"
1370 aac_encoder_select="mdct sinewin"
1371 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1372 ac3_decoder_select="mdct ac3dsp ac3_parser"
1373 ac3_encoder_select="mdct ac3dsp"
1374 ac3_fixed_encoder_select="mdct ac3dsp"
1375 alac_encoder_select="lpc"
1376 amrnb_decoder_select="lsp"
1377 amrwb_decoder_select="lsp"
1378 atrac1_decoder_select="mdct sinewin"
1379 atrac3_decoder_select="mdct"
1380 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1381 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1382 cavs_decoder_select="golomb"
1383 cook_decoder_select="mdct sinewin"
1384 cscd_decoder_suggest="zlib"
1385 dca_decoder_select="mdct"
1386 dnxhd_encoder_select="aandct"
1387 dxa_decoder_select="zlib"
1388 eac3_decoder_select="ac3_decoder"
1389 eac3_encoder_select="mdct ac3dsp"
1390 eamad_decoder_select="aandct"
1391 eatgq_decoder_select="aandct"
1392 eatqi_decoder_select="aandct"
1393 ffv1_decoder_select="golomb"
1394 flac_decoder_select="golomb"
1395 flac_encoder_select="golomb lpc"
1396 flashsv_decoder_select="zlib"
1397 flashsv_encoder_select="zlib"
1398 flashsv2_encoder_select="zlib"
1399 flashsv2_decoder_select="zlib"
1400 flv_decoder_select="h263_decoder"
1401 flv_encoder_select="h263_encoder"
1402 fraps_decoder_select="huffman"
1403 h261_encoder_select="aandct"
1404 h263_decoder_select="h263_parser"
1405 h263_encoder_select="aandct"
1406 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1407 h263i_decoder_select="h263_decoder"
1408 h263p_encoder_select="h263_encoder"
1409 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1410 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1411 h264_dxva2_hwaccel_deps="dxva2api_h"
1412 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1413 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1414 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1415 h264_vda_hwaccel_select="vda h264_decoder"
1416 h264_vdpau_decoder_select="vdpau h264_decoder"
1417 imc_decoder_select="fft mdct sinewin"
1418 jpegls_decoder_select="golomb"
1419 jpegls_encoder_select="golomb"
1420 ljpeg_encoder_select="aandct"
1421 loco_decoder_select="golomb"
1422 mjpeg_encoder_select="aandct"
1423 mlp_decoder_select="mlp_parser"
1424 mp1_decoder_select="mpegaudiodsp"
1425 mp1float_decoder_select="mpegaudiodsp"
1426 mp2_decoder_select="mpegaudiodsp"
1427 mp2float_decoder_select="mpegaudiodsp"
1428 mp3_decoder_select="mpegaudiodsp"
1429 mp3adu_decoder_select="mpegaudiodsp"
1430 mp3adufloat_decoder_select="mpegaudiodsp"
1431 mp3float_decoder_select="mpegaudiodsp"
1432 mp3on4_decoder_select="mpegaudiodsp"
1433 mp3on4float_decoder_select="mpegaudiodsp"
1434 mpc7_decoder_select="mpegaudiodsp"
1435 mpc8_decoder_select="mpegaudiodsp"
1436 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1437 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1438 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1439 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1440 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1441 mpeg1video_encoder_select="aandct"
1442 mpeg2_crystalhd_decoder_select="crystalhd"
1443 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1444 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1445 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1446 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1447 mpeg2video_encoder_select="aandct"
1448 mpeg4_crystalhd_decoder_select="crystalhd"
1449 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1450 mpeg4_encoder_select="h263_encoder"
1451 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1452 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1453 msmpeg4_crystalhd_decoder_select="crystalhd"
1454 msmpeg4v1_decoder_select="h263_decoder"
1455 msmpeg4v1_encoder_select="h263_encoder"
1456 msmpeg4v2_decoder_select="h263_decoder"
1457 msmpeg4v2_encoder_select="h263_encoder"
1458 msmpeg4v3_decoder_select="h263_decoder"
1459 msmpeg4v3_encoder_select="h263_encoder"
1460 nellymoser_decoder_select="mdct sinewin"
1461 nellymoser_encoder_select="mdct sinewin"
1462 png_decoder_select="zlib"
1463 png_encoder_select="zlib"
1464 qcelp_decoder_select="lsp"
1465 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1466 ra_144_encoder_select="lpc"
1467 rv10_decoder_select="h263_decoder"
1468 rv10_encoder_select="h263_encoder"
1469 rv20_decoder_select="h263_decoder"
1470 rv20_encoder_select="h263_encoder"
1471 rv30_decoder_select="golomb h264chroma h264pred"
1472 rv40_decoder_select="golomb h264chroma h264pred"
1473 shorten_decoder_select="golomb"
1474 sipr_decoder_select="lsp"
1475 snow_decoder_select="dwt"
1476 snow_encoder_select="aandct dwt"
1477 sonic_decoder_select="golomb"
1478 sonic_encoder_select="golomb"
1479 sonic_ls_encoder_select="golomb"
1480 svq1_encoder_select="aandct"
1481 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1482 svq3_decoder_suggest="zlib"
1483 theora_decoder_select="vp3_decoder"
1484 tiff_decoder_suggest="zlib"
1485 tiff_encoder_suggest="zlib"
1486 truehd_decoder_select="mlp_decoder"
1487 tscc_decoder_select="zlib"
1488 twinvq_decoder_select="mdct lsp sinewin"
1489 vc1_crystalhd_decoder_select="crystalhd"
1490 vc1_decoder_select="h263_decoder h264chroma"
1491 vc1_dxva2_hwaccel_deps="dxva2api_h"
1492 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1493 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1494 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1495 vc1image_decoder_select="vc1_decoder"
1496 vorbis_decoder_select="mdct"
1497 vorbis_encoder_select="mdct"
1498 vp6_decoder_select="huffman"
1499 vp6a_decoder_select="vp6_decoder"
1500 vp6f_decoder_select="vp6_decoder"
1501 vp8_decoder_select="h264pred"
1502 wmapro_decoder_select="mdct sinewin"
1503 wmav1_decoder_select="mdct sinewin"
1504 wmav1_encoder_select="mdct sinewin"
1505 wmav2_decoder_select="mdct sinewin"
1506 wmav2_encoder_select="mdct sinewin"
1507 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1508 wmv1_decoder_select="h263_decoder"
1509 wmv1_encoder_select="h263_encoder"
1510 wmv2_decoder_select="h263_decoder"
1511 wmv2_encoder_select="h263_encoder"
1512 wmv3_decoder_select="vc1_decoder"
1513 wmv3_crystalhd_decoder_select="crystalhd"
1514 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1515 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1516 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1517 wmv3image_decoder_select="wmv3_decoder"
1518 zlib_decoder_select="zlib"
1519 zlib_encoder_select="zlib"
1520 zmbv_decoder_select="zlib"
1521 zmbv_encoder_select="zlib"
1522
1523 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1524 vaapi_deps="va_va_h"
1525 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1526 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1527
1528 # parsers
1529 h264_parser_select="golomb h264chroma h264dsp h264pred"
1530
1531 # external libraries
1532 libaacplus_encoder_deps="libaacplus"
1533 libcelt_decoder_deps="libcelt"
1534 libdirac_decoder_deps="libdirac !libschroedinger"
1535 libdirac_encoder_deps="libdirac"
1536 libfaac_encoder_deps="libfaac"
1537 libgsm_decoder_deps="libgsm"
1538 libgsm_encoder_deps="libgsm"
1539 libgsm_ms_decoder_deps="libgsm"
1540 libgsm_ms_encoder_deps="libgsm"
1541 libmodplug_demuxer_deps="libmodplug"
1542 libmp3lame_encoder_deps="libmp3lame"
1543 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1544 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1545 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1546 libopenjpeg_decoder_deps="libopenjpeg"
1547 libopenjpeg_encoder_deps="libopenjpeg"
1548 libschroedinger_decoder_deps="libschroedinger"
1549 libschroedinger_encoder_deps="libschroedinger"
1550 libspeex_decoder_deps="libspeex"
1551 libspeex_encoder_deps="libspeex"
1552 libstagefright_h264_decoder_deps="libstagefright_h264"
1553 libtheora_encoder_deps="libtheora"
1554 libvo_aacenc_encoder_deps="libvo_aacenc"
1555 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1556 libvorbis_encoder_deps="libvorbis"
1557 libvpx_decoder_deps="libvpx"
1558 libvpx_encoder_deps="libvpx"
1559 libx264_encoder_deps="libx264"
1560 libx264rgb_encoder_deps="libx264"
1561 libxavs_encoder_deps="libxavs"
1562 libxvid_encoder_deps="libxvid"
1563 libutvideo_decoder_deps="libutvideo gpl"
1564
1565 # demuxers / muxers
1566 ac3_demuxer_select="ac3_parser"
1567 asf_stream_muxer_select="asf_muxer"
1568 avisynth_demuxer_deps="avisynth"
1569 dirac_demuxer_select="dirac_parser"
1570 eac3_demuxer_select="ac3_parser"
1571 flac_demuxer_select="flac_parser"
1572 ipod_muxer_select="mov_muxer"
1573 libnut_demuxer_deps="libnut"
1574 libnut_muxer_deps="libnut"
1575 matroska_audio_muxer_select="matroska_muxer"
1576 matroska_demuxer_suggest="zlib bzlib"
1577 mov_demuxer_suggest="zlib"
1578 mp3_demuxer_select="mpegaudio_parser"
1579 mp4_muxer_select="mov_muxer"
1580 mpegtsraw_demuxer_select="mpegts_demuxer"
1581 mxf_d10_muxer_select="mxf_muxer"
1582 ogg_demuxer_select="golomb"
1583 psp_muxer_select="mov_muxer"
1584 rtp_demuxer_select="sdp_demuxer"
1585 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1586 rtsp_demuxer_select="http_protocol rtpdec"
1587 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1588 sap_demuxer_select="sdp_demuxer"
1589 sap_muxer_select="rtp_muxer rtp_protocol"
1590 sdp_demuxer_select="rtpdec"
1591 spdif_muxer_select="aac_parser"
1592 tg2_muxer_select="mov_muxer"
1593 tgp_muxer_select="mov_muxer"
1594 w64_demuxer_deps="wav_demuxer"
1595
1596 # indevs / outdevs
1597 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1598 alsa_outdev_deps="alsa_asoundlib_h"
1599 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1600 dshow_indev_deps="IBaseFilter"
1601 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1602 dv1394_indev_deps="dv1394 dv_demuxer"
1603 fbdev_indev_deps="linux_fb_h"
1604 jack_indev_deps="jack_jack_h sem_timedwait"
1605 lavfi_indev_deps="avfilter"
1606 libcdio_indev_deps="libcdio"
1607 libdc1394_indev_deps="libdc1394"
1608 libv4l2_indev_deps="libv4l2"
1609 openal_indev_deps="openal"
1610 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1611 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1612 pulse_indev_deps="libpulse"
1613 sdl_outdev_deps="sdl"
1614 sndio_indev_deps="sndio_h"
1615 sndio_outdev_deps="sndio_h"
1616 v4l_indev_deps="linux_videodev_h"
1617 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1618 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1619 vfwcap_indev_extralibs="-lavicap32"
1620 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1621 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1622
1623 # protocols
1624 gopher_protocol_deps="network"
1625 httpproxy_protocol_deps="network"
1626 httpproxy_protocol_select="tcp_protocol"
1627 http_protocol_deps="network"
1628 http_protocol_select="tcp_protocol"
1629 https_protocol_select="tls_protocol"
1630 mmsh_protocol_select="http_protocol"
1631 mmst_protocol_deps="network"
1632 rtmp_protocol_select="tcp_protocol"
1633 rtp_protocol_select="udp_protocol"
1634 tcp_protocol_deps="network"
1635 tls_protocol_deps_any="openssl gnutls"
1636 tls_protocol_select="tcp_protocol"
1637 udp_protocol_deps="network"
1638
1639 # filters
1640 amovie_filter_deps="avcodec avformat"
1641 ass_filter_deps="libass"
1642 blackframe_filter_deps="gpl"
1643 boxblur_filter_deps="gpl"
1644 cropdetect_filter_deps="gpl"
1645 delogo_filter_deps="gpl"
1646 drawtext_filter_deps="libfreetype"
1647 frei0r_filter_deps="frei0r dlopen"
1648 frei0r_src_filter_deps="frei0r dlopen"
1649 hqdn3d_filter_deps="gpl"
1650 movie_filter_deps="avcodec avformat"
1651 mp_filter_deps="gpl avcodec"
1652 mptestsrc_filter_deps="gpl"
1653 negate_filter_deps="lut_filter"
1654 ocv_filter_deps="libopencv"
1655 scale_filter_deps="swscale"
1656 tinterlace_filter_deps="gpl"
1657 yadif_filter_deps="gpl"
1658
1659 # libraries
1660 avdevice_deps="avcodec avformat"
1661 avformat_deps="avcodec"
1662 postproc_deps="gpl"
1663
1664 # programs
1665 avconv_deps="avcodec avformat swscale"
1666 ffplay_deps="avcodec avformat swscale sdl"
1667 ffplay_select="buffersink_filter rdft"
1668 ffprobe_deps="avcodec avformat"
1669 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1670 ffserver_extralibs='$ldl'
1671 ffmpeg_deps="avcodec avformat swscale swresample"
1672 ffmpeg_select="buffersink_filter"
1673
1674 doc_deps="texi2html"
1675
1676 # tests
1677
1678 test_deps(){
1679     suf1=$1
1680     suf2=$2
1681     shift 2
1682     for v; do
1683         dep=${v%=*}
1684         tests=${v#*=}
1685         for name in ${tests}; do
1686             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1687         done
1688     done
1689 }
1690
1691 mxf_d10_test_deps="avfilter"
1692 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1693
1694 test_deps _encoder _decoder                                             \
1695     adpcm_ima_qt                                                        \
1696     adpcm_ima_wav                                                       \
1697     adpcm_ms                                                            \
1698     adpcm_swf                                                           \
1699     adpcm_yamaha=adpcm_yam                                              \
1700     alac                                                                \
1701     asv1                                                                \
1702     asv2                                                                \
1703     bmp                                                                 \
1704     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1705     dvvideo="dv dv_411 dv50"                                            \
1706     ffv1                                                                \
1707     flac                                                                \
1708     flashsv                                                             \
1709     flv                                                                 \
1710     adpcm_g726=g726                                                     \
1711     gif                                                                 \
1712     h261                                                                \
1713     h263="h263 h263p"                                                   \
1714     huffyuv                                                             \
1715     jpegls                                                              \
1716     mjpeg="jpg mjpeg ljpeg"                                             \
1717     mp2                                                                 \
1718     mpeg1video="mpeg mpeg1b"                                            \
1719     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1720     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1721     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1722     mpeg4="mpeg4thread error rc"                                        \
1723     msmpeg4v3=msmpeg4                                                   \
1724     msmpeg4v2                                                           \
1725     pbm=pbmpipe                                                         \
1726     pcx                                                                 \
1727     pgm="pgm pgmpipe"                                                   \
1728     png                                                                 \
1729     ppm="ppm ppmpipe"                                                   \
1730     rawvideo="rgb yuv"                                                  \
1731     roq                                                                 \
1732     rv10                                                                \
1733     rv20                                                                \
1734     sgi                                                                 \
1735     snow="snow snowll"                                                  \
1736     svq1                                                                \
1737     targa=tga                                                           \
1738     tiff                                                                \
1739     wmav1                                                               \
1740     wmav2                                                               \
1741     wmv1                                                                \
1742     wmv2                                                                \
1743
1744 test_deps _muxer _demuxer                                               \
1745     aiff                                                                \
1746     pcm_alaw=alaw                                                       \
1747     asf                                                                 \
1748     au                                                                  \
1749     avi                                                                 \
1750     dv=dv_fmt                                                           \
1751     ffm                                                                 \
1752     flv=flv_fmt                                                         \
1753     gxf                                                                 \
1754     matroska=mkv                                                        \
1755     mmf                                                                 \
1756     mov                                                                 \
1757     pcm_mulaw=mulaw                                                     \
1758     mxf="mxf mxf_d10"                                                   \
1759     nut                                                                 \
1760     ogg                                                                 \
1761     rawvideo=pixfmt                                                     \
1762     rm                                                                  \
1763     swf                                                                 \
1764     mpegts=ts                                                           \
1765     voc                                                                 \
1766     wav                                                                 \
1767     yuv4mpegpipe=yuv4mpeg                                               \
1768
1769 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1770 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1771
1772 # default parameters
1773
1774 logfile="config.log"
1775
1776 # installation paths
1777 prefix_default="/usr/local"
1778 bindir_default='${prefix}/bin'
1779 datadir_default='${prefix}/share/ffmpeg'
1780 incdir_default='${prefix}/include'
1781 libdir_default='${prefix}/lib'
1782 mandir_default='${prefix}/share/man'
1783 shlibdir_default="$libdir_default"
1784
1785 # toolchain
1786 ar_default="ar"
1787 cc_default="gcc"
1788 cxx_default="g++"
1789 cc_version=\"unknown\"
1790 host_cc_default="gcc"
1791 install="install"
1792 ln_s="ln -sf"
1793 nm_default="nm"
1794 objformat="elf"
1795 pkg_config_default=pkg-config
1796 ranlib="ranlib"
1797 strip_default="strip"
1798 yasmexe="yasm"
1799
1800 nm_opts='-g'
1801 nogas=":"
1802
1803 # machine
1804 arch_default=$(uname -m)
1805 cpu="generic"
1806
1807 # OS
1808 target_os_default=$(tolower $(uname -s))
1809 host_os=$target_os_default
1810
1811 # configurable options
1812 enable $PROGRAM_LIST
1813
1814 enable avcodec
1815 enable avdevice
1816 enable avfilter
1817 enable avformat
1818 enable avutil
1819 enable postproc
1820 enable stripping
1821 enable swresample
1822 enable swscale
1823
1824 enable asm
1825 enable debug
1826 enable doc
1827 enable fastdiv
1828 enable network
1829 enable optimizations
1830 enable safe_bitstream_reader
1831 enable static
1832 enable swscale_alpha
1833
1834 # build settings
1835 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1836 FFSERVERLDFLAGS=-Wl,-E
1837 LIBPREF="lib"
1838 LIBSUF=".a"
1839 FULLNAME='$(NAME)$(BUILDSUF)'
1840 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1841 SLIBPREF="lib"
1842 SLIBSUF=".so"
1843 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1844 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1845 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1846 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1847 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1848 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1849
1850 AS_O='-o $@'
1851 CC_O='-o $@'
1852 CXX_O='-o $@'
1853
1854 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1855 host_libs='-lm'
1856
1857 target_path='$(CURDIR)'
1858
1859 # since the object filename is not given with the -MM flag, the compiler
1860 # is only able to print the basename, and we must add the path ourselves
1861 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1862 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1863
1864 # find source path
1865 if test -f configure; then
1866     source_path=.
1867 else
1868     source_path=$(cd $(dirname "$0"); pwd)
1869     echo "$source_path" | grep -q '[[:blank:]]' &&
1870         die "Out of tree builds are impossible with whitespace in source path."
1871     test -e "$source_path/config.h" &&
1872         die "Out of tree builds are impossible with config.h in source dir."
1873 fi
1874
1875 for v in "$@"; do
1876     r=${v#*=}
1877     l=${v%"$r"}
1878     r=$(sh_quote "$r")
1879     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1880 done
1881
1882 find_things(){
1883     thing=$1
1884     pattern=$2
1885     file=$source_path/$3
1886     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1887 }
1888
1889 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1890 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1891 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1892 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1893 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1894 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1895 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1896 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1897 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1898 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1899 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1900
1901 ALL_COMPONENTS="
1902     $BSF_LIST
1903     $DECODER_LIST
1904     $DEMUXER_LIST
1905     $ENCODER_LIST
1906     $FILTER_LIST
1907     $HWACCEL_LIST
1908     $INDEV_LIST
1909     $MUXER_LIST
1910     $OUTDEV_LIST
1911     $PARSER_LIST
1912     $PROTOCOL_LIST
1913 "
1914
1915 find_tests(){
1916     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1917 }
1918
1919 ACODEC_TESTS=$(find_tests acodec)
1920 VCODEC_TESTS=$(find_tests vsynth1)
1921 LAVF_TESTS=$(find_tests lavf)
1922 LAVFI_TESTS=$(find_tests lavfi)
1923 SEEK_TESTS=$(find_tests seek seek_)
1924
1925 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1926
1927 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1928
1929 for n in $COMPONENT_LIST; do
1930     v=$(toupper ${n%s})_LIST
1931     eval enable \$$v
1932     eval ${n}_if_any="\$$v"
1933 done
1934
1935 enable $ARCH_EXT_LIST $ALL_TESTS
1936
1937 die_unknown(){
1938     echo "Unknown option \"$1\"."
1939     echo "See $0 --help for available options."
1940     exit 1
1941 }
1942
1943 show_list() {
1944     suffix=_$1
1945     shift
1946     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1947     exit 0
1948 }
1949
1950 for opt do
1951     optval="${opt#*=}"
1952     case "$opt" in
1953     --extra-ldflags=*) add_ldflags $optval
1954     ;;
1955     --extra-libs=*) add_extralibs $optval
1956     ;;
1957     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1958     ;;
1959     --enable-debug=*) debuglevel="$optval"
1960     ;;
1961     --disable-everything)
1962     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1963     ;;
1964     --enable-*=*|--disable-*=*)
1965     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1966     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1967     eval list=\$$(toupper $thing)_LIST
1968     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1969     $action $(filter "$name" $list)
1970     ;;
1971     --enable-?*|--disable-?*)
1972     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1973     if is_in $option $COMPONENT_LIST; then
1974         test $action = disable && action=unset
1975         eval $action \$$(toupper ${option%s})_LIST
1976     elif is_in $option $CMDLINE_SELECT; then
1977         $action $option
1978     else
1979         die_unknown $opt
1980     fi
1981     ;;
1982     --list-*)
1983         NAME="${opt#--list-}"
1984         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1985         NAME=${NAME%s}
1986         eval show_list $NAME \$$(toupper $NAME)_LIST
1987     ;;
1988     --help|-h) show_help
1989     ;;
1990     *)
1991     optname="${opt%%=*}"
1992     optname="${optname#--}"
1993     optname=$(echo "$optname" | sed 's/-/_/g')
1994     if is_in $optname $CMDLINE_SET; then
1995         eval $optname='$optval'
1996     elif is_in $optname $CMDLINE_APPEND; then
1997         append $optname "$optval"
1998     else
1999          die_unknown $opt
2000     fi
2001     ;;
2002     esac
2003 done
2004
2005 disabled logging && logfile=/dev/null
2006
2007 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2008 set >> $logfile
2009
2010 test -n "$cross_prefix" && enable cross_compile
2011
2012 if enabled cross_compile; then
2013     test -n "$arch" && test -n "$target_os" ||
2014         die "Must specify target arch and OS when cross-compiling"
2015 fi
2016
2017 set_default arch target_os
2018
2019 ar_default="${cross_prefix}${ar_default}"
2020 cc_default="${cross_prefix}${cc_default}"
2021 cxx_default="${cross_prefix}${cxx_default}"
2022 nm_default="${cross_prefix}${nm_default}"
2023 pkg_config_default="${cross_prefix}${pkg_config_default}"
2024 ranlib="${cross_prefix}${ranlib}"
2025 strip_default="${cross_prefix}${strip_default}"
2026
2027 sysinclude_default="${sysroot}/usr/include"
2028
2029 set_default cc cxx nm pkg_config strip sysinclude
2030 enabled cross_compile || host_cc_default=$cc
2031 set_default host_cc
2032
2033 if ! $pkg_config --version >/dev/null 2>&1; then
2034     warn "$pkg_config not found, library detection may fail."
2035     pkg_config=false
2036 fi
2037
2038 exesuf() {
2039     case $1 in
2040         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2041     esac
2042 }
2043
2044 EXESUF=$(exesuf $target_os)
2045 HOSTEXESUF=$(exesuf $host_os)
2046
2047 # set temporary file name
2048 : ${TMPDIR:=$TEMPDIR}
2049 : ${TMPDIR:=$TMP}
2050 : ${TMPDIR:=/tmp}
2051
2052 if ! check_cmd mktemp -u XXXXXX; then
2053     # simple replacement for missing mktemp
2054     # NOT SAFE FOR GENERAL USE
2055     mktemp(){
2056         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2057     }
2058 fi
2059
2060 tmpfile(){
2061     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2062         (set -C; exec > $tmp) 2>/dev/null ||
2063         die "Unable to create temporary file in $TMPDIR."
2064     append TMPFILES $tmp
2065     eval $1=$tmp
2066 }
2067
2068 trap 'rm -f -- $TMPFILES' EXIT
2069
2070 tmpfile TMPASM .asm
2071 tmpfile TMPC   .c
2072 tmpfile TMPCPP .cpp
2073 tmpfile TMPE   $EXESUF
2074 tmpfile TMPH   .h
2075 tmpfile TMPO   .o
2076 tmpfile TMPS   .S
2077 tmpfile TMPSH  .sh
2078 tmpfile TMPV   .ver
2079
2080 unset -f mktemp
2081
2082 chmod +x $TMPE
2083
2084 # make sure we can execute files in $TMPDIR
2085 cat > $TMPSH 2>> $logfile <<EOF
2086 #! /bin/sh
2087 EOF
2088 chmod +x $TMPSH >> $logfile 2>&1
2089 if ! $TMPSH >> $logfile 2>&1; then
2090     cat <<EOF
2091 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2092 variable to another directory and make sure that it is not mounted noexec.
2093 EOF
2094     die "Sanity test failed."
2095 fi
2096
2097 filter_asflags=echo
2098 filter_cflags=echo
2099 filter_cppflags=echo
2100
2101 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2102     cc_type=llvm_gcc
2103     cc_version=__VERSION__
2104     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2105     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2106     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2107     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2108     speed_cflags='-O3'
2109     size_cflags='-Os'
2110 elif $cc -v 2>&1 | grep -qi ^gcc; then
2111     cc_type=gcc
2112     cc_version=__VERSION__
2113     gcc_version=$($cc --version | head -n1)
2114     gcc_basever=$($cc -dumpversion)
2115     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2116     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2117     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2118     if ! $cc -dumpversion | grep -q '^2\.'; then
2119         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2120         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2121     fi
2122     speed_cflags='-O3'
2123     size_cflags='-Os'
2124 elif $cc --version 2>/dev/null | grep -q Intel; then
2125     cc_type=icc
2126     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2127     cc_ident=$($cc --version | head -n1)
2128     icc_version=$($cc -dumpversion)
2129     CC_DEPFLAGS='-MMD'
2130     AS_DEPFLAGS='-MMD'
2131     speed_cflags='-O3'
2132     size_cflags='-Os'
2133     noopt_cflags='-O1'
2134 elif $cc -v 2>&1 | grep -q xlc; then
2135     cc_type=xlc
2136     cc_version="AV_STRINGIFY(__IBMC__)"
2137     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2138     speed_cflags='-O5'
2139     size_cflags='-O5 -qcompact'
2140 elif $cc -V 2>/dev/null | grep -q Compaq; then
2141     cc_type=ccc
2142     cc_version="AV_STRINGIFY(__DECC_VER)"
2143     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2144     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2145     debuglevel=3
2146     add_ldflags -Wl,-z,now # calls to libots crash without this
2147     speed_cflags='-fast'
2148     size_cflags='-O1'
2149 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2150     test -d "$sysroot" || die "No valid sysroot specified."
2151     cc_type=armcc
2152     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2153     cc_ident=$($cc --vsn | head -n1)
2154     armcc_conf="$PWD/armcc.conf"
2155     $cc --arm_linux_configure                 \
2156         --arm_linux_config_file="$armcc_conf" \
2157         --configure_sysroot="$sysroot"        \
2158         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2159         die "Error creating armcc configuration file."
2160     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2161     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2162     as_default="${cross_prefix}gcc"
2163     CC_DEPFLAGS='-MMD'
2164     AS_DEPFLAGS='-MMD'
2165     speed_cflags='-O3'
2166     size_cflags='-Os'
2167     filter_asflags="filter_out -W${armcc_opt}*"
2168 elif $cc -version 2>/dev/null | grep -q TMS470; then
2169     cc_type=tms470
2170     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2171     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2172     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2173     CC_O='-fr=$(@D)'
2174     as_default="${cross_prefix}gcc"
2175     ld_default="${cross_prefix}gcc"
2176     TMPO=$(basename $TMPC .c).o
2177     append TMPFILES $TMPO
2178     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2179     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2180     AS_DEPFLAGS='-MMD'
2181     speed_cflags='-O3 -mf=5'
2182     size_cflags='-O3 -mf=2'
2183     filter_cflags=tms470_flags
2184     tms470_flags(){
2185         for flag; do
2186             case $flag in
2187                 -march=*|-mcpu=*)
2188                     case "${flag#*=}" in
2189                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2190                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2191                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2192                         armv6*|arm11*)          echo -mv=6   ;;
2193                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2194                                                 echo -mv=5e  ;;
2195                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2196                     esac
2197                     ;;
2198                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2199                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2200                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2201                 -msoft-float)   echo --float_support=vfplib       ;;
2202                 -O[0-3]|-mf=*)  echo $flag                        ;;
2203                 -g)             echo -g -mn                       ;;
2204                 -pds=*)         echo $flag                        ;;
2205             esac
2206         done
2207     }
2208 elif $cc -v 2>&1 | grep -q clang; then
2209     cc_type=clang
2210     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2211         cc_version=__clang_version__ || cc_version=__VERSION__
2212     cc_ident=$($cc --version | head -n1)
2213     CC_DEPFLAGS='-MMD'
2214     AS_DEPFLAGS='-MMD'
2215     speed_cflags='-O3'
2216     size_cflags='-Os'
2217 elif $cc -V 2>&1 | grep -q Sun; then
2218     cc_type=suncc
2219     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2220     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2221     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2222     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2223     add_ldflags -xc99
2224     speed_cflags='-O5'
2225     size_cflags='-O5 -xspace'
2226     filter_cflags=suncc_flags
2227     suncc_flags(){
2228         for flag; do
2229             case $flag in
2230                 -march=*|-mcpu=*)
2231                     case "${flag#*=}" in
2232                         native)                   echo -xtarget=native       ;;
2233                         v9|niagara)               echo -xarch=sparc          ;;
2234                         ultrasparc)               echo -xarch=sparcvis       ;;
2235                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2236                         i586|pentium)             echo -xchip=pentium        ;;
2237                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2238                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2239                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2240                         pentium4*)          echo -xtarget=pentium4           ;;
2241                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2242                         *-sse3)             echo -xarch=sse3                 ;;
2243                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2244                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2245                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2246                         k8|opteron|athlon64|athlon-fx)
2247                                                   echo -xarch=sse2a          ;;
2248                         athlon*)                  echo -xarch=pentium_proa   ;;
2249                     esac
2250                     ;;
2251                 -std=c99)             echo -xc99              ;;
2252                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2253                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2254                 -W*,*)                echo $flag              ;;
2255                 -f*-*|-W*)                                    ;;
2256                 *)                    echo $flag              ;;
2257             esac
2258         done
2259     }
2260 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2261     cc_type=pathscale
2262     cc_version=__PATHSCALE__
2263     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2264     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2265     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2266     speed_cflags='-O2'
2267     size_cflags='-Os'
2268     filter_cflags='filter_out -Wdisabled-optimization'
2269 elif $cc -v 2>&1 | grep -q Open64; then
2270     cc_type=open64
2271     cc_version=__OPEN64__
2272     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2273     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2274     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2275     speed_cflags='-O2'
2276     size_cflags='-Os'
2277     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2278 fi
2279
2280 test -n "$cc_type" && enable $cc_type ||
2281     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2282
2283 : ${as_default:=$cc}
2284 : ${dep_cc_default:=$cc}
2285 : ${ld_default:=$cc}
2286 set_default ar as dep_cc ld
2287
2288 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2289 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2290 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2291
2292 add_cflags $extra_cflags
2293 add_cxxflags $extra_cxxflags
2294 add_asflags $extra_cflags
2295
2296 if test -n "$sysroot"; then
2297     case "$cc_type" in
2298         gcc|llvm_gcc|clang)
2299             add_cppflags --sysroot="$sysroot"
2300             add_ldflags --sysroot="$sysroot"
2301         ;;
2302         tms470)
2303             add_cppflags -I"$sysinclude"
2304             add_ldflags  --sysroot="$sysroot"
2305         ;;
2306     esac
2307 fi
2308
2309 if test "$cpu" = host; then
2310     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2311
2312     case "$cc_type" in
2313         gcc|llvm_gcc)
2314             check_native(){
2315                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2316                 sed -n "/cc1.*$1=/{
2317                             s/.*$1=\\([^ ]*\\).*/\\1/
2318                             p
2319                             q
2320                         }" $TMPE
2321             }
2322             cpu=$(check_native -march || check_native -mcpu)
2323         ;;
2324     esac
2325
2326     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2327 fi
2328
2329 # Deal with common $arch aliases
2330 case "$arch" in
2331     arm*|iPad*)
2332         arch="arm"
2333     ;;
2334     mips|mipsel|IP*)
2335         arch="mips"
2336     ;;
2337     mips64*)
2338         arch="mips"
2339         subarch="mips64"
2340     ;;
2341     parisc|hppa)
2342         arch="parisc"
2343     ;;
2344     parisc64|hppa64)
2345         arch="parisc"
2346         subarch="parisc64"
2347     ;;
2348     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2349         arch="ppc"
2350     ;;
2351     s390|s390x)
2352         arch="s390"
2353     ;;
2354     sh4|sh)
2355         arch="sh4"
2356     ;;
2357     sun4u|sparc64)
2358         arch="sparc"
2359         subarch="sparc64"
2360     ;;
2361     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2362         arch="x86"
2363     ;;
2364 esac
2365
2366 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2367 enable $arch
2368
2369 # Add processor-specific flags
2370 if test "$cpu" = generic; then
2371     : do nothing
2372 elif enabled ppc; then
2373
2374     case $(tolower $cpu) in
2375         601|ppc601|powerpc601)
2376             cpuflags="-mcpu=601"
2377             disable altivec
2378         ;;
2379         603*|ppc603*|powerpc603*)
2380             cpuflags="-mcpu=603"
2381             disable altivec
2382         ;;
2383         604*|ppc604*|powerpc604*)
2384             cpuflags="-mcpu=604"
2385             disable altivec
2386         ;;
2387         g3|75*|ppc75*|powerpc75*)
2388             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2389             disable altivec
2390         ;;
2391         g4|745*|ppc745*|powerpc745*)
2392             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2393         ;;
2394         74*|ppc74*|powerpc74*)
2395             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2396         ;;
2397         g5|970|ppc970|powerpc970|power4*)
2398             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2399         ;;
2400         cell)
2401             cpuflags="-mcpu=cell"
2402             enable ldbrx
2403         ;;
2404         e500v2)
2405             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2406             disable altivec
2407         ;;
2408         e500)
2409             cpuflags="-mcpu=8540 -mhard-float"
2410             disable altivec
2411         ;;
2412     esac
2413
2414 elif enabled x86; then
2415
2416     case $cpu in
2417         i[345]86|pentium)
2418             cpuflags="-march=$cpu"
2419             disable mmx
2420         ;;
2421         # targets that do NOT support conditional mov (cmov)
2422         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2423             cpuflags="-march=$cpu"
2424             disable cmov
2425         ;;
2426         # targets that do support conditional mov (cmov)
2427         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2428             cpuflags="-march=$cpu"
2429             enable cmov
2430             enable fast_cmov
2431         ;;
2432         # targets that do support conditional mov but on which it's slow
2433         pentium4|pentium4m|prescott|nocona)
2434             cpuflags="-march=$cpu"
2435             enable cmov
2436             disable fast_cmov
2437         ;;
2438     esac
2439
2440 elif enabled sparc; then
2441
2442     case $cpu in
2443         niagara)
2444             cpuflags="-mcpu=$cpu"
2445             disable vis
2446         ;;
2447         sparc64)
2448             cpuflags="-mcpu=v9"
2449         ;;
2450     esac
2451
2452 elif enabled arm; then
2453
2454     case $cpu in
2455         armv*)
2456             cpuflags="-march=$cpu"
2457             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2458         ;;
2459         *)
2460             cpuflags="-mcpu=$cpu"
2461             case $cpu in
2462                 cortex-a*)                               subarch=armv7a  ;;
2463                 cortex-r*)                               subarch=armv7r  ;;
2464                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2465                 arm11*)                                  subarch=armv6   ;;
2466                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2467                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2468             esac
2469         ;;
2470     esac
2471
2472 elif enabled alpha; then
2473
2474     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2475
2476 elif enabled bfin; then
2477
2478     cpuflags="-mcpu=$cpu"
2479
2480 elif enabled mips; then
2481
2482     cpuflags="-march=$cpu"
2483
2484 elif enabled avr32; then
2485
2486     case $cpu in
2487         ap7[02]0[0-2])
2488             subarch="avr32_ap"
2489             cpuflags="-mpart=$cpu"
2490         ;;
2491         ap)
2492             subarch="avr32_ap"
2493             cpuflags="-march=$cpu"
2494         ;;
2495         uc3[ab]*)
2496             subarch="avr32_uc"
2497             cpuflags="-mcpu=$cpu"
2498         ;;
2499         uc)
2500             subarch="avr32_uc"
2501             cpuflags="-march=$cpu"
2502         ;;
2503     esac
2504
2505 fi
2506
2507 add_cflags $cpuflags
2508 add_asflags $cpuflags
2509
2510 # compiler sanity check
2511 check_exec <<EOF
2512 int main(void){ return 0; }
2513 EOF
2514 if test "$?" != 0; then
2515     echo "$cc is unable to create an executable file."
2516     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2517         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2518         echo "Only do this if you know what cross compiling means."
2519     fi
2520     die "C compiler test failed."
2521 fi
2522
2523 add_cppflags -D_ISOC99_SOURCE
2524 add_cxxflags -D__STDC_CONSTANT_MACROS
2525 check_cflags -std=c99
2526 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2527 #include <stdlib.h>
2528 EOF
2529 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2530 #include <stdlib.h>
2531 EOF
2532
2533 check_host_cflags -std=c99
2534 check_host_cflags -Wall
2535
2536 case "$arch" in
2537     alpha|ia64|mips|parisc|sparc)
2538         spic=$shared
2539     ;;
2540     x86)
2541         subarch="x86_32"
2542         check_cc <<EOF && subarch="x86_64"
2543         int test[(int)sizeof(char*) - 7];
2544 EOF
2545         if test "$subarch" = "x86_64"; then
2546             spic=$shared
2547         fi
2548     ;;
2549     ppc)
2550         check_cc <<EOF && subarch="ppc64"
2551         int test[(int)sizeof(char*) - 7];
2552 EOF
2553     ;;
2554 esac
2555
2556 enable $subarch
2557 enabled spic && enable pic
2558
2559 # OS specific
2560 case $target_os in
2561     haiku)
2562         prefix_default="/boot/common"
2563         network_extralibs="-lnetwork"
2564         host_libs=
2565         ;;
2566     sunos)
2567         FFSERVERLDFLAGS=""
2568         SHFLAGS='-shared -Wl,-h,$$(@F)'
2569         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2570         network_extralibs="-lsocket -lnsl"
2571         add_cppflags -D__EXTENSIONS__
2572         # When using suncc to build, the Solaris linker will mark
2573         # an executable with each instruction set encountered by
2574         # the Solaris assembler.  As our libraries contain their own
2575         # guards for processor-specific code, instead suppress
2576         # generation of the HWCAPS ELF section on Solaris x86 only.
2577         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2578         nm_opts='-P -g'
2579         ;;
2580     netbsd)
2581         disable symver
2582         oss_indev_extralibs="-lossaudio"
2583         oss_outdev_extralibs="-lossaudio"
2584         ;;
2585     openbsd)
2586         enable malloc_aligned
2587         # On OpenBSD 4.5. the compiler does not use PIC unless
2588         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2589         # however the generated executable will not do anything
2590         # (simply quits with exit-code 1, no crash, no output).
2591         # Thus explicitly enable PIC here.
2592         enable pic
2593         disable symver
2594         SHFLAGS='-shared'
2595         oss_indev_extralibs="-lossaudio"
2596         oss_outdev_extralibs="-lossaudio"
2597         ;;
2598     dragonfly)
2599         enable malloc_aligned
2600         disable symver
2601         ;;
2602     freebsd)
2603         enable malloc_aligned
2604         ;;
2605     bsd/os)
2606         add_extralibs -lpoll -lgnugetopt
2607         strip="strip -d"
2608         ;;
2609     darwin)
2610         enable malloc_aligned
2611         gas="gas-preprocessor.pl $cc"
2612         enabled ppc && add_asflags -force_cpusubtype_ALL
2613         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2614         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2615         strip="${strip} -x"
2616         add_ldflags -Wl,-dynamic,-search_paths_first
2617         SLIBSUF=".dylib"
2618         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2619         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2620         FFSERVERLDFLAGS=-Wl,-bind_at_load
2621         objformat="macho"
2622         enabled x86_64 && objformat="macho64"
2623         enabled_any pic shared ||
2624             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2625         ;;
2626     mingw32*)
2627         if test $target_os = "mingw32ce"; then
2628             disable network
2629         else
2630             target_os=mingw32
2631         fi
2632         LIBTARGET=i386
2633         if enabled x86_64; then
2634             enable malloc_aligned
2635             LIBTARGET=x64
2636         elif enabled arm; then
2637             LIBTARGET=arm-wince
2638         fi
2639         shlibdir_default="$bindir_default"
2640         SLIBPREF=""
2641         SLIBSUF=".dll"
2642         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2643         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2644         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2645         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2646         SLIB_INSTALL_LINKS=
2647         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2648         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2649         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'
2650         objformat="win32"
2651         enable dos_paths
2652         check_cflags -fno-common
2653         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2654                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2655                 die "ERROR: MinGW runtime version must be >= 3.15."
2656         add_cppflags -U__STRICT_ANSI__
2657         ;;
2658     cygwin*)
2659         target_os=cygwin
2660         shlibdir_default="$bindir_default"
2661         SLIBPREF="cyg"
2662         SLIBSUF=".dll"
2663         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2664         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2665         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2666         objformat="win32"
2667         enable dos_paths
2668         check_cflags -fno-common
2669         add_cppflags -U__STRICT_ANSI__
2670         ;;
2671     *-dos|freedos|opendos)
2672         network_extralibs="-lsocket"
2673         objformat="coff"
2674         enable dos_paths
2675         add_cppflags -U__STRICT_ANSI__
2676         ;;
2677     linux)
2678         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2679         enable dv1394
2680         ;;
2681     irix*)
2682         target_os=irix
2683         ranlib="echo ignoring ranlib"
2684         ;;
2685     os/2*)
2686         strip="lxlite -CS"
2687         ln_s="cp -f"
2688         objformat="aout"
2689         add_cppflags -D_GNU_SOURCE
2690         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2691         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2692         FFSERVERLDFLAGS=""
2693         LIBSUF="_s.a"
2694         SLIBPREF=""
2695         SLIBSUF=".dll"
2696         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2697         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2698         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2699           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2700           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2701           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2702           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2703           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2704         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2705           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2706         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2707         enable dos_paths
2708         enable_weak os2threads
2709         ;;
2710     gnu/kfreebsd)
2711         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2712         ;;
2713     gnu)
2714         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2715         ;;
2716     qnx)
2717         add_cppflags -D_QNX_SOURCE
2718         network_extralibs="-lsocket"
2719         ;;
2720     symbian)
2721         SLIBSUF=".dll"
2722         enable dos_paths
2723         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2724         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2725         add_ldflags -Wl,--target1-abs,--no-undefined \
2726                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2727                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2728         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2729                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2730                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2731         ;;
2732     none)
2733         ;;
2734     *)
2735         die "Unknown OS '$target_os'."
2736         ;;
2737 esac
2738
2739 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2740
2741 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2742
2743 set_default $PATHS_LIST
2744
2745 # we need to build at least one lib type
2746 if ! enabled_any static shared; then
2747     cat <<EOF
2748 At least one library type must be built.
2749 Specify --enable-static to build the static libraries or --enable-shared to
2750 build the shared libraries as well. To only build the shared libraries specify
2751 --disable-static in addition to --enable-shared.
2752 EOF
2753     exit 1;
2754 fi
2755
2756 die_license_disabled() {
2757     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2758 }
2759
2760 die_license_disabled gpl libcdio
2761 die_license_disabled gpl libx264
2762 die_license_disabled gpl libxavs
2763 die_license_disabled gpl libxvid
2764 die_license_disabled gpl x11grab
2765
2766 die_license_disabled nonfree libaacplus
2767 die_license_disabled nonfree libfaac
2768 die_license_disabled nonfree openssl
2769
2770 die_license_disabled version3 libopencore_amrnb
2771 die_license_disabled version3 libopencore_amrwb
2772 die_license_disabled version3 libvo_aacenc
2773 die_license_disabled version3 libvo_amrwbenc
2774
2775 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2776
2777 disabled optimizations || check_cflags -fomit-frame-pointer
2778
2779 enable_pic() {
2780     enable pic
2781     add_cppflags -DPIC
2782     add_cflags   -fPIC
2783     add_asflags  -fPIC
2784 }
2785
2786 enabled pic && enable_pic
2787
2788 check_cc <<EOF || die "Symbol mangling check failed."
2789 int ff_extern;
2790 EOF
2791 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2792 extern_prefix=${sym%%ff_extern*}
2793
2794 check_cc <<EOF && enable inline_asm
2795 void foo(void) { __asm__ volatile ("" ::); }
2796 EOF
2797
2798 _restrict=
2799 for restrict_keyword in restrict __restrict__ __restrict; do
2800     check_cc <<EOF && _restrict=$restrict_keyword && break
2801 void foo(char * $restrict_keyword p);
2802 EOF
2803 done
2804
2805 check_cc <<EOF && enable attribute_packed
2806 struct { int x; } __attribute__((packed)) x;
2807 EOF
2808
2809 check_cc <<EOF && enable attribute_may_alias
2810 union { int x; } __attribute__((may_alias)) x;
2811 EOF
2812
2813 check_cc <<EOF || die "endian test failed"
2814 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2815 EOF
2816 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2817
2818 if enabled alpha; then
2819
2820     check_cflags -mieee
2821
2822 elif enabled arm; then
2823
2824     enabled thumb && check_cflags -mthumb || check_cflags -marm
2825     nogas=die
2826
2827     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2828         enable vfp_args
2829     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2830         case "${cross_prefix:-$cc}" in
2831             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2832             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2833 __asm__ (".eabi_attribute 28, 1");
2834 int main(void) { return 0; }
2835 EOF
2836         esac
2837         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2838     fi
2839
2840     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2841     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2842     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2843     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2844     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2845     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2846     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2847
2848     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2849
2850     enabled_all armv6t2 shared !pic && enable_pic
2851
2852 elif enabled mips; then
2853
2854     check_asm loongson '"dmult.g $1, $2, $3"'
2855     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2856
2857 elif enabled ppc; then
2858
2859     enable local_aligned_8 local_aligned_16
2860
2861     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2862     check_asm ibm_asm   '"add 0, 0, 0"'
2863     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2864     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2865
2866     # AltiVec flags: The FSF version of GCC differs from the Apple version
2867     if enabled altivec; then
2868         nogas=warn
2869         check_cflags -maltivec -mabi=altivec &&
2870         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2871         check_cflags -faltivec
2872
2873         # check if our compiler supports Motorola AltiVec C API
2874         check_cc <<EOF || disable altivec
2875 $inc_altivec_h
2876 int main(void) {
2877     vector signed int v1, v2, v3;
2878     v1 = vec_add(v2,v3);
2879     return 0;
2880 }
2881 EOF
2882
2883         # check if our compiler supports braces for vector declarations
2884         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2885 $inc_altivec_h
2886 int main (void) { (vector int) {1}; return 0; }
2887 EOF
2888     fi
2889
2890 elif enabled sparc; then
2891
2892     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2893         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2894
2895 elif enabled x86; then
2896
2897     enable local_aligned_8 local_aligned_16
2898
2899     # check whether EBP is available on x86
2900     # As 'i' is stored on the stack, this program will crash
2901     # if the base pointer is used to access it because the
2902     # base pointer is cleared in the inline assembly code.
2903     check_exec_crash <<EOF && enable ebp_available
2904     volatile int i=0;
2905     __asm__ volatile (
2906         "xorl %%ebp, %%ebp"
2907     ::: "%ebp");
2908     return i;
2909 EOF
2910
2911     # check whether EBX is available on x86
2912     check_asm ebx_available '""::"b"(0)' &&
2913         check_asm ebx_available '"":::"%ebx"'
2914
2915     # check whether xmm clobbers are supported
2916     check_asm xmm_clobbers '"":::"%xmm0"'
2917
2918     # check whether binutils is new enough to compile SSSE3/MMX2
2919     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2920     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2921
2922     if ! disabled_any asm mmx yasm; then
2923         if check_cmd $yasmexe --version; then
2924             enabled x86_64 && yasm_extra="-m amd64"
2925             yasm_debug="-g dwarf2"
2926         elif check_cmd nasm -v; then
2927             yasmexe=nasm
2928             yasm_debug="-g -F dwarf"
2929             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2930         fi
2931
2932         YASMFLAGS="-f $objformat $yasm_extra"
2933         enabled pic               && append YASMFLAGS "-DPIC"
2934         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2935         case "$objformat" in
2936             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2937         esac
2938
2939         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2940             die "yasm not found, use --disable-yasm for a crippled build"
2941         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2942     fi
2943
2944     case "$cpu" in
2945         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2946             disable fast_clz
2947         ;;
2948     esac
2949
2950 fi
2951
2952 if enabled asm; then
2953     as=${gas:=$as}
2954     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2955         $nogas "GNU assembler not found, install gas-preprocessor"
2956 fi
2957
2958 check_ldflags -Wl,--as-needed
2959
2960 if check_func dlopen; then
2961     ldl=
2962 elif check_func dlopen -ldl; then
2963     ldl=-ldl
2964 fi
2965
2966 if enabled network; then
2967     check_type "sys/types.h sys/socket.h" socklen_t
2968     check_type netdb.h "struct addrinfo"
2969     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2970     check_type netinet/in.h "struct sockaddr_in6"
2971     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2972     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2973     # Prefer arpa/inet.h over winsock2
2974     if check_header arpa/inet.h ; then
2975         check_func closesocket
2976     elif check_header winsock2.h ; then
2977         check_func_headers winsock2.h closesocket -lws2 && \
2978             network_extralibs="-lws2" || \
2979         { check_func_headers winsock2.h closesocket -lws2_32 && \
2980             network_extralibs="-lws2_32"; }
2981         check_type ws2tcpip.h socklen_t
2982         check_type ws2tcpip.h "struct addrinfo"
2983         check_type ws2tcpip.h "struct ipv6_mreq"
2984         check_type ws2tcpip.h "struct sockaddr_in6"
2985         check_type ws2tcpip.h "struct sockaddr_storage"
2986         check_struct winsock2.h "struct sockaddr" sa_len
2987     else
2988         disable network
2989     fi
2990 fi
2991
2992 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2993 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2994
2995 check_func  fcntl
2996 check_func  fork
2997 check_func  getaddrinfo $network_extralibs
2998 check_func  gethrtime
2999 check_func  getrusage
3000 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3001 check_func  inet_aton $network_extralibs
3002 check_func  isatty
3003 check_func  localtime_r
3004 check_func  ${malloc_prefix}memalign            && enable memalign
3005 check_func  mkstemp
3006 check_func  mmap
3007 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3008 check_func  setrlimit
3009 check_func  strerror_r
3010 check_func  strptime
3011 check_func  sched_getaffinity
3012 check_func  sysconf
3013 check_func  sysctl
3014 check_func_headers conio.h kbhit
3015 check_func_headers windows.h PeekNamedPipe
3016 check_func_headers io.h setmode
3017 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3018 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3019 check_func_headers windows.h GetProcessTimes
3020 check_func_headers windows.h GetSystemInfo
3021 check_func_headers windows.h MapViewOfFile
3022 check_func_headers windows.h VirtualAlloc
3023
3024 check_header dlfcn.h
3025 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3026 check_header libcrystalhd/libcrystalhd_if.h
3027 check_header malloc.h
3028 check_header poll.h
3029 check_header sys/mman.h
3030 check_header sys/param.h
3031 check_header sys/resource.h
3032 check_header sys/select.h
3033 check_header termios.h
3034 check_header vdpau/vdpau.h
3035 check_header vdpau/vdpau_x11.h
3036 check_header X11/extensions/XvMClib.h
3037 check_header asm/types.h
3038
3039 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3040 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3041
3042 # check for VDA header
3043 if ! disabled vda; then
3044     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3045         enable vda
3046         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3047     fi
3048 fi
3049
3050 if ! disabled w32threads && ! enabled pthreads; then
3051     check_func _beginthreadex && enable w32threads
3052 fi
3053
3054 # check for some common methods of building with pthread support
3055 # do this before the optional library checks as some of them require pthreads
3056 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3057     enable pthreads
3058     if check_func pthread_create; then
3059         :
3060     elif check_func pthread_create -pthread; then
3061         add_cflags -pthread
3062         add_extralibs -pthread
3063     elif check_func pthread_create -pthreads; then
3064         add_cflags -pthreads
3065         add_extralibs -pthreads
3066     elif check_func pthread_create -lpthreadGC2; then
3067         add_extralibs -lpthreadGC2
3068     elif ! check_lib pthread.h pthread_create -lpthread; then
3069         disable pthreads
3070     fi
3071 fi
3072
3073 for thread in $THREADS_LIST; do
3074     if enabled $thread; then
3075         test -n "$thread_type" &&
3076             die "ERROR: Only one thread type must be selected." ||
3077             thread_type="$thread"
3078     fi
3079 done
3080
3081 check_lib math.h sin -lm && LIBM="-lm"
3082 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3083 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3084
3085 check_mathfunc cbrtf
3086 check_mathfunc exp2
3087 check_mathfunc exp2f
3088 check_mathfunc llrint
3089 check_mathfunc llrintf
3090 check_mathfunc log2
3091 check_mathfunc log2f
3092 check_mathfunc lrint
3093 check_mathfunc lrintf
3094 check_mathfunc round
3095 check_mathfunc roundf
3096 check_mathfunc trunc
3097 check_mathfunc truncf
3098
3099 # these are off by default, so fail if requested and not available
3100 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3101 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3102 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3103 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3104 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3105 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0
3106 enabled libdc1394  && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
3107 enabled libdirac   && require_pkg_config dirac                          \
3108     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
3109     "dirac_decoder_init dirac_encoder_init"
3110 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3111 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3112 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3113 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3114 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3115 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3116 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3117 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3118 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3119 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3120 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3121 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3122 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3123 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3124 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3125     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3126     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3127 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3128 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3129 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3130 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3131 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3132 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3133 enabled libvpx     && {
3134     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3135                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3136     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3137                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3138 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3139                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3140                         die "ERROR: libx264 version must be >= 0.118."; }
3141 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3142 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3143 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3144                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3145                         die "ERROR: openal not found"; } &&
3146                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3147                         die "ERROR: openal version must be 1.1 or compatible"; }
3148 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
3149 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3150                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3151                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3152                         die "ERROR: openssl not found"; }
3153
3154 SDL_CONFIG="${cross_prefix}sdl-config"
3155 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3156     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3157     enable sdl &&
3158     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3159 else
3160   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3161     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3162     sdl_libs=$("${SDL_CONFIG}" --libs)
3163     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3164     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3165     enable sdl &&
3166     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3167   fi
3168 fi
3169 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3170
3171 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3172 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3173
3174 check_header linux/fb.h
3175 check_header linux/videodev.h
3176 check_header linux/videodev2.h
3177 check_header sys/videoio.h
3178
3179 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3180 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3181 # w32api 3.12 had it defined wrong
3182 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3183
3184 check_type "dshow.h" IBaseFilter
3185
3186 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3187 { check_header dev/bktr/ioctl_meteor.h &&
3188   check_header dev/bktr/ioctl_bt848.h; } ||
3189 { check_header machine/ioctl_meteor.h &&
3190   check_header machine/ioctl_bt848.h; } ||
3191 { check_header dev/video/meteor/ioctl_meteor.h &&
3192   check_header dev/video/bktr/ioctl_bt848.h; } ||
3193 check_header dev/ic/bt8xx.h
3194
3195 check_header sndio.h
3196 if check_struct sys/soundcard.h audio_buf_info bytes; then
3197     enable_safe sys/soundcard.h
3198 else
3199     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3200     #include <sys/soundcard.h>
3201     audio_buf_info abc;
3202 EOF
3203 fi
3204 check_header soundcard.h
3205
3206 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3207
3208 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3209
3210 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3211
3212 enabled libcdio &&
3213     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3214
3215 enabled x11grab                         &&
3216 check_header X11/Xlib.h                 &&
3217 check_header X11/extensions/XShm.h      &&
3218 check_header X11/extensions/Xfixes.h    &&
3219 check_func XOpenDisplay -lX11           &&
3220 check_func XShmCreateImage -lX11 -lXext &&
3221 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3222
3223 if ! disabled vaapi; then
3224     check_lib va/va.h vaInitialize -lva && {
3225         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3226         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3227     } || disable vaapi
3228 fi
3229
3230 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3231 check_cpp_condition \
3232     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3233     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3234       disable vdpau; }
3235 fi
3236
3237 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3238 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3239
3240 # add some useful compiler flags if supported
3241 check_cflags -Wdeclaration-after-statement
3242 check_cflags -Wall
3243 check_cflags -Wno-parentheses
3244 check_cflags -Wno-switch
3245 check_cflags -Wno-format-zero-length
3246 check_cflags -Wdisabled-optimization
3247 check_cflags -Wpointer-arith
3248 check_cflags -Wredundant-decls
3249 check_cflags -Wno-pointer-sign
3250 check_cflags -Wcast-qual
3251 check_cflags -Wwrite-strings
3252 check_cflags -Wtype-limits
3253 check_cflags -Wundef
3254 check_cflags -Wmissing-prototypes
3255 check_cflags -Wno-pointer-to-int-cast
3256 check_cflags -Wstrict-prototypes
3257 enabled extra_warnings && check_cflags -Winline
3258
3259 # add some linker flags
3260 check_ldflags -Wl,--warn-common
3261 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3262 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3263
3264 echo "X{};" > $TMPV
3265 if test_ldflags -Wl,--version-script,$TMPV; then
3266     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3267     check_cc <<EOF && enable symver_asm_label
3268 void ff_foo(void) __asm__ ("av_foo@VERSION");
3269 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3270 EOF
3271     check_cc <<EOF && enable symver_gnu_asm
3272 __asm__(".symver ff_foo,av_foo@VERSION");
3273 void ff_foo(void) {}
3274 EOF
3275 fi
3276
3277 if [ -n "$optflags" ]; then
3278     add_cflags $optflags
3279 elif enabled small; then
3280     add_cflags $size_cflags
3281 elif enabled optimizations; then
3282     add_cflags $speed_cflags
3283 else
3284     add_cflags $noopt_cflags
3285 fi
3286 check_cflags -fno-math-errno
3287 check_cflags -fno-signed-zeros
3288 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3289 int x;
3290 EOF
3291
3292
3293 if enabled icc; then
3294     # Just warnings, no remarks
3295     check_cflags -w1
3296     # -wd: Disable following warnings
3297     # 144, 167, 556: -Wno-pointer-sign
3298     # 1292: attribute "foo" ignored
3299     # 10006: ignoring unknown option -fno-signed-zeros
3300     # 10148: ignoring unknown option -Wno-parentheses
3301     # 10156: ignoring option '-W'; no argument required
3302     check_cflags -wd144,167,556,1292,10006,10148,10156
3303     # 11030: Warning unknown option --as-needed
3304     # 10156: ignoring option '-export'; no argument required
3305     check_ldflags -wd10156,11030
3306     # Allow to compile with optimizations
3307     check_ldflags -march=$cpu
3308     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3309     enable ebp_available
3310     if enabled x86_32; then
3311         test ${icc_version%%.*} -ge 11 && \
3312             check_cflags -falign-stack=maintain-16-byte || \
3313             disable aligned_stack
3314     fi
3315 elif enabled ccc; then
3316     # disable some annoying warnings
3317     add_cflags -msg_disable cvtu32to64
3318     add_cflags -msg_disable embedcomment
3319     add_cflags -msg_disable needconstext
3320     add_cflags -msg_disable nomainieee
3321     add_cflags -msg_disable ptrmismatch1
3322     add_cflags -msg_disable unreachcode
3323 elif enabled gcc; then
3324     check_cflags -fno-tree-vectorize
3325     check_cflags -Werror=implicit-function-declaration
3326     check_cflags -Werror=missing-prototypes
3327 elif enabled llvm_gcc; then
3328     check_cflags -mllvm -stack-alignment=16
3329 elif enabled clang; then
3330     check_cflags -mllvm -stack-alignment=16
3331     check_cflags -Qunused-arguments
3332 elif enabled armcc; then
3333     # 2523: use of inline assembler is deprecated
3334     add_cflags -W${armcc_opt},--diag_suppress=2523
3335     add_cflags -W${armcc_opt},--diag_suppress=1207
3336     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3337     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3338     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3339     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3340 elif enabled tms470; then
3341     add_cflags -pds=824 -pds=837
3342 elif enabled pathscale; then
3343     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3344 fi
3345
3346 enabled_any $THREADS_LIST      && enable threads
3347
3348 check_deps $CONFIG_LIST       \
3349            $CONFIG_EXTRA      \
3350            $HAVE_LIST         \
3351            $ALL_COMPONENTS    \
3352            $ALL_TESTS         \
3353
3354 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3355
3356 if test $target_os = "haiku"; then
3357     disable memalign
3358     disable posix_memalign
3359 fi
3360
3361 ! enabled_any memalign posix_memalign malloc_aligned &&
3362     enabled_any $need_memalign && enable memalign_hack
3363
3364 echo "install prefix            $prefix"
3365 echo "source path               $source_path"
3366 echo "C compiler                $cc"
3367 echo "ARCH                      $arch ($cpu)"
3368 if test "$build_suffix" != ""; then
3369     echo "build suffix              $build_suffix"
3370 fi
3371 if test "$progs_suffix" != ""; then
3372     echo "progs suffix              $progs_suffix"
3373 fi
3374 if test "$extra_version" != ""; then
3375     echo "version string suffix     $extra_version"
3376 fi
3377 echo "big-endian                ${bigendian-no}"
3378 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3379 if enabled x86; then
3380     echo "${yasmexe}                      ${yasm-no}"
3381     echo "MMX enabled               ${mmx-no}"
3382     echo "MMX2 enabled              ${mmx2-no}"
3383     echo "3DNow! enabled            ${amd3dnow-no}"
3384     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3385     echo "SSE enabled               ${sse-no}"
3386     echo "SSSE3 enabled             ${ssse3-no}"
3387     echo "AVX enabled               ${avx-no}"
3388     echo "CMOV enabled              ${cmov-no}"
3389     echo "CMOV is fast              ${fast_cmov-no}"
3390     echo "EBX available             ${ebx_available-no}"
3391     echo "EBP available             ${ebp_available-no}"
3392 fi
3393 if enabled arm; then
3394     echo "ARMv5TE enabled           ${armv5te-no}"
3395     echo "ARMv6 enabled             ${armv6-no}"
3396     echo "ARMv6T2 enabled           ${armv6t2-no}"
3397     echo "ARM VFP enabled           ${armvfp-no}"
3398     echo "IWMMXT enabled            ${iwmmxt-no}"
3399     echo "NEON enabled              ${neon-no}"
3400 fi
3401 if enabled mips; then
3402     echo "MMI enabled               ${mmi-no}"
3403 fi
3404 if enabled ppc; then
3405     echo "AltiVec enabled           ${altivec-no}"
3406     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3407     echo "dcbzl available           ${dcbzl-no}"
3408 fi
3409 if enabled sparc; then
3410     echo "VIS enabled               ${vis-no}"
3411 fi
3412 echo "debug symbols             ${debug-no}"
3413 echo "strip symbols             ${stripping-no}"
3414 echo "optimize for size         ${small-no}"
3415 echo "optimizations             ${optimizations-no}"
3416 echo "static                    ${static-no}"
3417 echo "shared                    ${shared-no}"
3418 echo "postprocessing support    ${postproc-no}"
3419 echo "new filter support        ${avfilter-no}"
3420 echo "network support           ${network-no}"
3421 echo "threading support         ${thread_type-no}"
3422 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3423 echo "SDL support               ${sdl-no}"
3424 echo "Sun medialib support      ${mlib-no}"
3425 echo "libdxva2 enabled          ${dxva2-no}"
3426 echo "libva enabled             ${vaapi-no}"
3427 echo "libvdpau enabled          ${vdpau-no}"
3428 echo "AVISynth enabled          ${avisynth-no}"
3429 echo "frei0r enabled            ${frei0r-no}"
3430 echo "gnutls enabled            ${gnutls-no}"
3431 echo "libaacplus enabled        ${libaacplus-no}"
3432 echo "libass enabled            ${libass-no}"
3433 echo "libcdio support           ${libcdio-no}"
3434 echo "libcelt enabled           ${libcelt-no}"
3435 echo "libdc1394 support         ${libdc1394-no}"
3436 echo "libdirac enabled          ${libdirac-no}"
3437 echo "libfaac enabled           ${libfaac-no}"
3438 echo "libgsm enabled            ${libgsm-no}"
3439 echo "libmodplug enabled        ${libmodplug-no}"
3440 echo "libmp3lame enabled        ${libmp3lame-no}"
3441 echo "libnut enabled            ${libnut-no}"
3442 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3443 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3444 echo "libopencv support         ${libopencv-no}"
3445 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3446 echo "libpulse enabled          ${libpulse-no}"
3447 echo "librtmp enabled           ${librtmp-no}"
3448 echo "libschroedinger enabled   ${libschroedinger-no}"
3449 echo "libspeex enabled          ${libspeex-no}"
3450 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3451 echo "libtheora enabled         ${libtheora-no}"
3452 echo "libutvideo enabled        ${libutvideo-no}"
3453 echo "libv4l2 enabled           ${libv4l2-no}"
3454 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3455 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3456 echo "libvorbis enabled         ${libvorbis-no}"
3457 echo "libvpx enabled            ${libvpx-no}"
3458 echo "libx264 enabled           ${libx264-no}"
3459 echo "libxavs enabled           ${libxavs-no}"
3460 echo "libxvid enabled           ${libxvid-no}"
3461 echo "openal enabled            ${openal-no}"
3462 echo "openssl enabled           ${openssl-no}"
3463 echo "zlib enabled              ${zlib-no}"
3464 echo "bzlib enabled             ${bzlib-no}"
3465 echo
3466
3467 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3468     echo "Enabled ${type}s:"
3469     eval list=\$$(toupper $type)_LIST
3470     print_enabled '_*' $list | sort | pr -r -3 -t
3471     echo
3472 done
3473
3474 license="LGPL version 2.1 or later"
3475 if enabled nonfree; then
3476     license="nonfree and unredistributable"
3477 elif enabled gplv3; then
3478     license="GPL version 3 or later"
3479 elif enabled lgplv3; then
3480     license="LGPL version 3 or later"
3481 elif enabled gpl; then
3482     license="GPL version 2 or later"
3483 fi
3484
3485 echo "License: $license"
3486
3487 echo "Creating config.mak and config.h..."
3488
3489 test -e Makefile || $ln_s "$source_path/Makefile" .
3490
3491 enabled stripping || strip="echo skipping strip"
3492
3493 config_files="$TMPH config.mak"
3494
3495 cat > config.mak <<EOF
3496 # Automatically generated by configure - do not modify!
3497 ifndef FFMPEG_CONFIG_MAK
3498 FFMPEG_CONFIG_MAK=1
3499 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3500 prefix=$prefix
3501 LIBDIR=\$(DESTDIR)$libdir
3502 SHLIBDIR=\$(DESTDIR)$shlibdir
3503 INCDIR=\$(DESTDIR)$incdir
3504 BINDIR=\$(DESTDIR)$bindir
3505 DATADIR=\$(DESTDIR)$datadir
3506 MANDIR=\$(DESTDIR)$mandir
3507 SRC_PATH=$source_path
3508 ifndef MAIN_MAKEFILE
3509 SRC_PATH:=\$(SRC_PATH:.%=..%)
3510 endif
3511 CC_IDENT=$cc_ident
3512 ARCH=$arch
3513 CC=$cc
3514 CXX=$cxx
3515 AS=$as
3516 LD=$ld
3517 DEPCC=$dep_cc
3518 YASM=$yasmexe
3519 YASMDEP=$yasmexe
3520 AR=$ar
3521 RANLIB=$ranlib
3522 CP=cp -p
3523 LN_S=$ln_s
3524 STRIP=$strip
3525 CPPFLAGS=$CPPFLAGS
3526 CFLAGS=$CFLAGS
3527 CXXFLAGS=$CXXFLAGS
3528 ASFLAGS=$ASFLAGS
3529 AS_O=$CC_O
3530 CC_O=$CC_O
3531 CXX_O=$CXX_O
3532 LDFLAGS=$LDFLAGS
3533 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3534 SHFLAGS=$SHFLAGS
3535 YASMFLAGS=$YASMFLAGS
3536 BUILDSUF=$build_suffix
3537 PROGSSUF=$progs_suffix
3538 FULLNAME=$FULLNAME
3539 LIBPREF=$LIBPREF
3540 LIBSUF=$LIBSUF
3541 LIBNAME=$LIBNAME
3542 SLIBPREF=$SLIBPREF
3543 SLIBSUF=$SLIBSUF
3544 EXESUF=$EXESUF
3545 EXTRA_VERSION=$extra_version
3546 DEPFLAGS=$DEPFLAGS
3547 CCDEP=$CCDEP
3548 CXXDEP=$CXXDEP
3549 ASDEP=$ASDEP
3550 CC_DEPFLAGS=$CC_DEPFLAGS
3551 AS_DEPFLAGS=$AS_DEPFLAGS
3552 HOSTCC=$host_cc
3553 HOSTCFLAGS=$host_cflags
3554 HOSTEXESUF=$HOSTEXESUF
3555 HOSTLDFLAGS=$host_ldflags
3556 HOSTLIBS=$host_libs
3557 TARGET_EXEC=$target_exec
3558 TARGET_PATH=$target_path
3559 SDL_LIBS=$sdl_libs
3560 SDL_CFLAGS=$sdl_cflags
3561 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3562 EXTRALIBS=$extralibs
3563 INSTALL=$install
3564 LIBTARGET=${LIBTARGET}
3565 SLIBNAME=${SLIBNAME}
3566 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3567 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3568 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3569 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3570 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3571 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3572 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3573 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3574 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3575 NOREDZONE_FLAGS=$noredzone_flags
3576 EOF
3577
3578 get_version(){
3579     name=$1
3580     file=$source_path/$2
3581     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3582     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3583     lcname=$(tolower $name)
3584     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3585     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3586 }
3587
3588 get_version LIBAVCODEC  libavcodec/version.h
3589 get_version LIBAVDEVICE libavdevice/avdevice.h
3590 get_version LIBAVFILTER libavfilter/avfilter.h
3591 get_version LIBAVFORMAT libavformat/version.h
3592 get_version LIBAVUTIL   libavutil/avutil.h
3593 get_version LIBPOSTPROC libpostproc/postprocess.h
3594 get_version LIBSWRESAMPLE libswresample/swresample.h
3595 get_version LIBSWSCALE  libswscale/swscale.h
3596
3597 cat > $TMPH <<EOF
3598 /* Automatically generated by configure - do not modify! */
3599 #ifndef FFMPEG_CONFIG_H
3600 #define FFMPEG_CONFIG_H
3601 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3602 #define FFMPEG_LICENSE "$(c_escape $license)"
3603 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3604 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3605 #define CC_TYPE "$cc_type"
3606 #define CC_VERSION $cc_version
3607 #define restrict $_restrict
3608 #define EXTERN_PREFIX "${extern_prefix}"
3609 #define EXTERN_ASM ${extern_prefix}
3610 #define SLIBSUF "$SLIBSUF"
3611 EOF
3612
3613 test -n "$malloc_prefix" &&
3614     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3615
3616 if enabled small || disabled optimizations; then
3617     echo "#undef  av_always_inline"  >> $TMPH
3618     if enabled small; then
3619         echo "#define av_always_inline inline"  >> $TMPH
3620     else
3621         echo "#define av_always_inline av_unused"  >> $TMPH
3622     fi
3623 fi
3624
3625 if enabled yasm; then
3626     append config_files $TMPASM
3627     printf '' >$TMPASM
3628 fi
3629
3630 print_config ARCH_   "$config_files" $ARCH_LIST
3631 print_config HAVE_   "$config_files" $HAVE_LIST
3632 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3633                                      $CONFIG_EXTRA      \
3634                                      $ALL_COMPONENTS    \
3635
3636 cat >>config.mak <<EOF
3637 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3638 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3639 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3640 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3641 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3642 EOF
3643
3644 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3645 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3646
3647 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3648 cp_if_changed $TMPH config.h
3649 touch .config
3650
3651 enabled yasm && cp_if_changed $TMPASM config.asm
3652
3653 cat > $TMPH <<EOF
3654 /* Generated by ffconf */
3655 #ifndef AVUTIL_AVCONFIG_H
3656 #define AVUTIL_AVCONFIG_H
3657 EOF
3658
3659 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3660
3661 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3662
3663 cp_if_changed $TMPH libavutil/avconfig.h
3664
3665 test -n "$WARNINGS" && printf "\n$WARNINGS"
3666
3667 # build pkg-config files
3668
3669 pkgconfig_generate(){
3670 name=$1
3671 shortname=${name#lib}${build_suffix}
3672 comment=$2
3673 version=$3
3674 libs=$4
3675 requires=$5
3676 enabled ${name#lib} || return 0
3677 mkdir -p $name
3678 cat <<EOF > $name/$name.pc
3679 prefix=$prefix
3680 exec_prefix=\${prefix}
3681 libdir=$libdir
3682 includedir=$incdir
3683
3684 Name: $name
3685 Description: $comment
3686 Version: $version
3687 Requires: $(enabled shared || echo $requires)
3688 Requires.private: $(enabled shared && echo $requires)
3689 Conflicts:
3690 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3691 Libs.private: $(enabled shared && echo $libs)
3692 Cflags: -I\${includedir}
3693 EOF
3694 cat <<EOF > $name/$name-uninstalled.pc
3695 prefix=
3696 exec_prefix=
3697 libdir=\${pcfiledir}
3698 includedir=${source_path}
3699
3700 Name: $name
3701 Description: $comment
3702 Version: $version
3703 Requires: $requires
3704 Conflicts:
3705 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3706 Cflags: -I\${includedir}
3707 EOF
3708 }
3709
3710 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3711 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3712 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3713 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3714 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3715 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3716 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3717 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"