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     GetProcessAffinityMask
1179     GetProcessMemoryInfo
1180     GetProcessTimes
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     struct_v4l2_frmivalenum_discrete
1230     symver
1231     symver_asm_label
1232     symver_gnu_asm
1233     sysconf
1234     sysctl
1235     sys_mman_h
1236     sys_param_h
1237     sys_resource_h
1238     sys_select_h
1239     sys_soundcard_h
1240     sys_videoio_h
1241     termios_h
1242     threads
1243     trunc
1244     truncf
1245     vfp_args
1246     VirtualAlloc
1247     winsock2_h
1248     xform_asm
1249     xmm_clobbers
1250     yasm
1251 "
1252
1253 # options emitted with CONFIG_ prefix but not available on command line
1254 CONFIG_EXTRA="
1255     avutil
1256     gplv3
1257     lgplv3
1258 "
1259
1260 CMDLINE_SELECT="
1261     $ARCH_EXT_LIST
1262     $CONFIG_LIST
1263     $THREADS_LIST
1264     asm
1265     coverage
1266     cross_compile
1267     debug
1268     extra_warnings
1269     logging
1270     optimizations
1271     stripping
1272     symver
1273     yasm
1274 "
1275
1276 PATHS_LIST='
1277     bindir
1278     datadir
1279     incdir
1280     libdir
1281     mandir
1282     prefix
1283     shlibdir
1284 '
1285
1286 CMDLINE_SET="
1287     $PATHS_LIST
1288     ar
1289     arch
1290     as
1291     build_suffix
1292     progs_suffix
1293     cc
1294     cpu
1295     cross_prefix
1296     cxx
1297     dep_cc
1298     extra_version
1299     host_cc
1300     host_cflags
1301     host_ldflags
1302     host_libs
1303     host_os
1304     install
1305     ld
1306     logfile
1307     malloc_prefix
1308     nm
1309     optflags
1310     pkg_config
1311     samples
1312     strip
1313     sysinclude
1314     sysroot
1315     target_exec
1316     target_os
1317     target_path
1318 "
1319
1320 CMDLINE_APPEND="
1321     extra_cflags
1322     extra_cxxflags
1323 "
1324
1325 # code dependency declarations
1326
1327 # architecture extensions
1328
1329 armv5te_deps="arm"
1330 armv6_deps="arm"
1331 armv6t2_deps="arm"
1332 armvfp_deps="arm"
1333 iwmmxt_deps="arm"
1334 neon_deps="arm"
1335 vfpv3_deps="armvfp"
1336
1337 mmi_deps="mips"
1338
1339 altivec_deps="ppc"
1340 ppc4xx_deps="ppc"
1341
1342 vis_deps="sparc"
1343
1344 x86_64_suggest="cmov fast_cmov"
1345 amd3dnow_deps="mmx"
1346 amd3dnowext_deps="amd3dnow"
1347 mmx_deps="x86"
1348 mmx2_deps="mmx"
1349 sse_deps="mmx"
1350 ssse3_deps="sse"
1351 avx_deps="ssse3"
1352
1353 aligned_stack_if_any="ppc x86"
1354 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1355 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1356 fast_unaligned_if_any="armv6 ppc x86"
1357
1358 inline_asm_deps="!tms470"
1359 need_memalign="altivec neon sse"
1360
1361 symver_if_any="symver_asm_label symver_gnu_asm"
1362
1363 # subsystems
1364 dct_select="rdft"
1365 mdct_select="fft"
1366 rdft_select="fft"
1367 mpegaudiodsp_select="dct"
1368
1369 # decoders / encoders / hardware accelerators
1370 aac_decoder_select="mdct sinewin"
1371 aac_encoder_select="mdct sinewin"
1372 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1373 ac3_decoder_select="mdct ac3dsp ac3_parser"
1374 ac3_encoder_select="mdct ac3dsp"
1375 ac3_fixed_encoder_select="mdct ac3dsp"
1376 alac_encoder_select="lpc"
1377 amrnb_decoder_select="lsp"
1378 amrwb_decoder_select="lsp"
1379 atrac1_decoder_select="mdct sinewin"
1380 atrac3_decoder_select="mdct"
1381 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1382 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1383 cavs_decoder_select="golomb"
1384 cook_decoder_select="mdct sinewin"
1385 cscd_decoder_suggest="zlib"
1386 dca_decoder_select="mdct"
1387 dnxhd_encoder_select="aandct"
1388 dxa_decoder_select="zlib"
1389 eac3_decoder_select="ac3_decoder"
1390 eac3_encoder_select="mdct ac3dsp"
1391 eamad_decoder_select="aandct"
1392 eatgq_decoder_select="aandct"
1393 eatqi_decoder_select="aandct"
1394 ffv1_decoder_select="golomb"
1395 flac_decoder_select="golomb"
1396 flac_encoder_select="golomb lpc"
1397 flashsv_decoder_select="zlib"
1398 flashsv_encoder_select="zlib"
1399 flashsv2_encoder_select="zlib"
1400 flashsv2_decoder_select="zlib"
1401 flv_decoder_select="h263_decoder"
1402 flv_encoder_select="h263_encoder"
1403 fraps_decoder_select="huffman"
1404 h261_encoder_select="aandct"
1405 h263_decoder_select="h263_parser"
1406 h263_encoder_select="aandct"
1407 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1408 h263i_decoder_select="h263_decoder"
1409 h263p_encoder_select="h263_encoder"
1410 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1411 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1412 h264_dxva2_hwaccel_deps="dxva2api_h"
1413 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1414 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1415 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1416 h264_vda_hwaccel_select="vda h264_decoder"
1417 h264_vdpau_decoder_select="vdpau h264_decoder"
1418 imc_decoder_select="fft mdct sinewin"
1419 jpegls_decoder_select="golomb"
1420 jpegls_encoder_select="golomb"
1421 ljpeg_encoder_select="aandct"
1422 loco_decoder_select="golomb"
1423 mjpeg_encoder_select="aandct"
1424 mlp_decoder_select="mlp_parser"
1425 mp1_decoder_select="mpegaudiodsp"
1426 mp1float_decoder_select="mpegaudiodsp"
1427 mp2_decoder_select="mpegaudiodsp"
1428 mp2float_decoder_select="mpegaudiodsp"
1429 mp3_decoder_select="mpegaudiodsp"
1430 mp3adu_decoder_select="mpegaudiodsp"
1431 mp3adufloat_decoder_select="mpegaudiodsp"
1432 mp3float_decoder_select="mpegaudiodsp"
1433 mp3on4_decoder_select="mpegaudiodsp"
1434 mp3on4float_decoder_select="mpegaudiodsp"
1435 mpc7_decoder_select="mpegaudiodsp"
1436 mpc8_decoder_select="mpegaudiodsp"
1437 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1438 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1439 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1440 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1441 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1442 mpeg1video_encoder_select="aandct"
1443 mpeg2_crystalhd_decoder_select="crystalhd"
1444 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1445 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1446 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1447 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1448 mpeg2video_encoder_select="aandct"
1449 mpeg4_crystalhd_decoder_select="crystalhd"
1450 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1451 mpeg4_encoder_select="h263_encoder"
1452 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1453 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1454 msmpeg4_crystalhd_decoder_select="crystalhd"
1455 msmpeg4v1_decoder_select="h263_decoder"
1456 msmpeg4v1_encoder_select="h263_encoder"
1457 msmpeg4v2_decoder_select="h263_decoder"
1458 msmpeg4v2_encoder_select="h263_encoder"
1459 msmpeg4v3_decoder_select="h263_decoder"
1460 msmpeg4v3_encoder_select="h263_encoder"
1461 nellymoser_decoder_select="mdct sinewin"
1462 nellymoser_encoder_select="mdct sinewin"
1463 png_decoder_select="zlib"
1464 png_encoder_select="zlib"
1465 qcelp_decoder_select="lsp"
1466 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1467 ra_144_encoder_select="lpc"
1468 rv10_decoder_select="h263_decoder"
1469 rv10_encoder_select="h263_encoder"
1470 rv20_decoder_select="h263_decoder"
1471 rv20_encoder_select="h263_encoder"
1472 rv30_decoder_select="golomb h264chroma h264pred"
1473 rv40_decoder_select="golomb h264chroma h264pred"
1474 shorten_decoder_select="golomb"
1475 sipr_decoder_select="lsp"
1476 snow_decoder_select="dwt"
1477 snow_encoder_select="aandct dwt"
1478 sonic_decoder_select="golomb"
1479 sonic_encoder_select="golomb"
1480 sonic_ls_encoder_select="golomb"
1481 svq1_encoder_select="aandct"
1482 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1483 svq3_decoder_suggest="zlib"
1484 theora_decoder_select="vp3_decoder"
1485 tiff_decoder_suggest="zlib"
1486 tiff_encoder_suggest="zlib"
1487 truehd_decoder_select="mlp_decoder"
1488 tscc_decoder_select="zlib"
1489 twinvq_decoder_select="mdct lsp sinewin"
1490 vc1_crystalhd_decoder_select="crystalhd"
1491 vc1_decoder_select="h263_decoder h264chroma"
1492 vc1_dxva2_hwaccel_deps="dxva2api_h"
1493 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1494 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1495 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1496 vc1image_decoder_select="vc1_decoder"
1497 vorbis_decoder_select="mdct"
1498 vorbis_encoder_select="mdct"
1499 vp6_decoder_select="huffman"
1500 vp6a_decoder_select="vp6_decoder"
1501 vp6f_decoder_select="vp6_decoder"
1502 vp8_decoder_select="h264pred"
1503 wmapro_decoder_select="mdct sinewin"
1504 wmav1_decoder_select="mdct sinewin"
1505 wmav1_encoder_select="mdct sinewin"
1506 wmav2_decoder_select="mdct sinewin"
1507 wmav2_encoder_select="mdct sinewin"
1508 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1509 wmv1_decoder_select="h263_decoder"
1510 wmv1_encoder_select="h263_encoder"
1511 wmv2_decoder_select="h263_decoder"
1512 wmv2_encoder_select="h263_encoder"
1513 wmv3_decoder_select="vc1_decoder"
1514 wmv3_crystalhd_decoder_select="crystalhd"
1515 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1516 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1517 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1518 wmv3image_decoder_select="wmv3_decoder"
1519 zlib_decoder_select="zlib"
1520 zlib_encoder_select="zlib"
1521 zmbv_decoder_select="zlib"
1522 zmbv_encoder_select="zlib"
1523
1524 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1525 vaapi_deps="va_va_h"
1526 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1527 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1528
1529 # parsers
1530 h264_parser_select="golomb h264chroma h264dsp h264pred"
1531
1532 # external libraries
1533 libaacplus_encoder_deps="libaacplus"
1534 libcelt_decoder_deps="libcelt"
1535 libdirac_decoder_deps="libdirac !libschroedinger"
1536 libdirac_encoder_deps="libdirac"
1537 libfaac_encoder_deps="libfaac"
1538 libgsm_decoder_deps="libgsm"
1539 libgsm_encoder_deps="libgsm"
1540 libgsm_ms_decoder_deps="libgsm"
1541 libgsm_ms_encoder_deps="libgsm"
1542 libmodplug_demuxer_deps="libmodplug"
1543 libmp3lame_encoder_deps="libmp3lame"
1544 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1545 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1546 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1547 libopenjpeg_decoder_deps="libopenjpeg"
1548 libopenjpeg_encoder_deps="libopenjpeg"
1549 libschroedinger_decoder_deps="libschroedinger"
1550 libschroedinger_encoder_deps="libschroedinger"
1551 libspeex_decoder_deps="libspeex"
1552 libspeex_encoder_deps="libspeex"
1553 libstagefright_h264_decoder_deps="libstagefright_h264"
1554 libtheora_encoder_deps="libtheora"
1555 libvo_aacenc_encoder_deps="libvo_aacenc"
1556 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1557 libvorbis_encoder_deps="libvorbis"
1558 libvpx_decoder_deps="libvpx"
1559 libvpx_encoder_deps="libvpx"
1560 libx264_encoder_deps="libx264"
1561 libx264rgb_encoder_deps="libx264"
1562 libxavs_encoder_deps="libxavs"
1563 libxvid_encoder_deps="libxvid"
1564 libutvideo_decoder_deps="libutvideo gpl"
1565
1566 # demuxers / muxers
1567 ac3_demuxer_select="ac3_parser"
1568 asf_stream_muxer_select="asf_muxer"
1569 avisynth_demuxer_deps="avisynth"
1570 dirac_demuxer_select="dirac_parser"
1571 eac3_demuxer_select="ac3_parser"
1572 flac_demuxer_select="flac_parser"
1573 ipod_muxer_select="mov_muxer"
1574 libnut_demuxer_deps="libnut"
1575 libnut_muxer_deps="libnut"
1576 matroska_audio_muxer_select="matroska_muxer"
1577 matroska_demuxer_suggest="zlib bzlib"
1578 mov_demuxer_suggest="zlib"
1579 mp3_demuxer_select="mpegaudio_parser"
1580 mp4_muxer_select="mov_muxer"
1581 mpegtsraw_demuxer_select="mpegts_demuxer"
1582 mxf_d10_muxer_select="mxf_muxer"
1583 ogg_demuxer_select="golomb"
1584 psp_muxer_select="mov_muxer"
1585 rtp_demuxer_select="sdp_demuxer"
1586 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1587 rtsp_demuxer_select="http_protocol rtpdec"
1588 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1589 sap_demuxer_select="sdp_demuxer"
1590 sap_muxer_select="rtp_muxer rtp_protocol"
1591 sdp_demuxer_select="rtpdec"
1592 spdif_muxer_select="aac_parser"
1593 tg2_muxer_select="mov_muxer"
1594 tgp_muxer_select="mov_muxer"
1595 w64_demuxer_deps="wav_demuxer"
1596
1597 # indevs / outdevs
1598 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1599 alsa_outdev_deps="alsa_asoundlib_h"
1600 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1601 dshow_indev_deps="IBaseFilter"
1602 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1603 dv1394_indev_deps="dv1394 dv_demuxer"
1604 fbdev_indev_deps="linux_fb_h"
1605 jack_indev_deps="jack_jack_h sem_timedwait"
1606 lavfi_indev_deps="avfilter"
1607 libcdio_indev_deps="libcdio"
1608 libdc1394_indev_deps="libdc1394"
1609 libv4l2_indev_deps="libv4l2"
1610 openal_indev_deps="openal"
1611 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1612 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1613 pulse_indev_deps="libpulse"
1614 sdl_outdev_deps="sdl"
1615 sndio_indev_deps="sndio_h"
1616 sndio_outdev_deps="sndio_h"
1617 v4l_indev_deps="linux_videodev_h"
1618 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1619 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1620 vfwcap_indev_extralibs="-lavicap32"
1621 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1622 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1623
1624 # protocols
1625 gopher_protocol_deps="network"
1626 httpproxy_protocol_deps="network"
1627 httpproxy_protocol_select="tcp_protocol"
1628 http_protocol_deps="network"
1629 http_protocol_select="tcp_protocol"
1630 https_protocol_select="tls_protocol"
1631 mmsh_protocol_select="http_protocol"
1632 mmst_protocol_deps="network"
1633 rtmp_protocol_select="tcp_protocol"
1634 rtp_protocol_select="udp_protocol"
1635 tcp_protocol_deps="network"
1636 tls_protocol_deps_any="openssl gnutls"
1637 tls_protocol_select="tcp_protocol"
1638 udp_protocol_deps="network"
1639
1640 # filters
1641 amovie_filter_deps="avcodec avformat"
1642 ass_filter_deps="libass"
1643 blackframe_filter_deps="gpl"
1644 boxblur_filter_deps="gpl"
1645 cropdetect_filter_deps="gpl"
1646 delogo_filter_deps="gpl"
1647 drawtext_filter_deps="libfreetype"
1648 frei0r_filter_deps="frei0r dlopen"
1649 frei0r_src_filter_deps="frei0r dlopen"
1650 hqdn3d_filter_deps="gpl"
1651 movie_filter_deps="avcodec avformat"
1652 mp_filter_deps="gpl avcodec"
1653 mptestsrc_filter_deps="gpl"
1654 negate_filter_deps="lut_filter"
1655 ocv_filter_deps="libopencv"
1656 scale_filter_deps="swscale"
1657 tinterlace_filter_deps="gpl"
1658 yadif_filter_deps="gpl"
1659
1660 # libraries
1661 avdevice_deps="avcodec avformat"
1662 avformat_deps="avcodec"
1663 postproc_deps="gpl"
1664
1665 # programs
1666 avconv_deps="avcodec avformat swscale"
1667 ffplay_deps="avcodec avformat swscale sdl"
1668 ffplay_select="buffersink_filter rdft"
1669 ffprobe_deps="avcodec avformat"
1670 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1671 ffserver_extralibs='$ldl'
1672 ffmpeg_deps="avcodec avformat swscale swresample"
1673 ffmpeg_select="buffersink_filter"
1674
1675 doc_deps="texi2html"
1676
1677 # tests
1678
1679 test_deps(){
1680     suf1=$1
1681     suf2=$2
1682     shift 2
1683     for v; do
1684         dep=${v%=*}
1685         tests=${v#*=}
1686         for name in ${tests}; do
1687             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1688         done
1689     done
1690 }
1691
1692 mxf_d10_test_deps="avfilter"
1693 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1694
1695 test_deps _encoder _decoder                                             \
1696     adpcm_ima_qt                                                        \
1697     adpcm_ima_wav                                                       \
1698     adpcm_ms                                                            \
1699     adpcm_swf                                                           \
1700     adpcm_yamaha=adpcm_yam                                              \
1701     alac                                                                \
1702     asv1                                                                \
1703     asv2                                                                \
1704     bmp                                                                 \
1705     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1706     dvvideo="dv dv_411 dv50"                                            \
1707     ffv1                                                                \
1708     flac                                                                \
1709     flashsv                                                             \
1710     flv                                                                 \
1711     adpcm_g726=g726                                                     \
1712     gif                                                                 \
1713     h261                                                                \
1714     h263="h263 h263p"                                                   \
1715     huffyuv                                                             \
1716     jpegls                                                              \
1717     mjpeg="jpg mjpeg ljpeg"                                             \
1718     mp2                                                                 \
1719     mpeg1video="mpeg mpeg1b"                                            \
1720     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1721     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1722     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1723     mpeg4="mpeg4thread error rc"                                        \
1724     msmpeg4v3=msmpeg4                                                   \
1725     msmpeg4v2                                                           \
1726     pbm=pbmpipe                                                         \
1727     pcx                                                                 \
1728     pgm="pgm pgmpipe"                                                   \
1729     png                                                                 \
1730     ppm="ppm ppmpipe"                                                   \
1731     rawvideo="rgb yuv"                                                  \
1732     roq                                                                 \
1733     rv10                                                                \
1734     rv20                                                                \
1735     sgi                                                                 \
1736     snow="snow snowll"                                                  \
1737     svq1                                                                \
1738     targa=tga                                                           \
1739     tiff                                                                \
1740     wmav1                                                               \
1741     wmav2                                                               \
1742     wmv1                                                                \
1743     wmv2                                                                \
1744
1745 test_deps _muxer _demuxer                                               \
1746     aiff                                                                \
1747     pcm_alaw=alaw                                                       \
1748     asf                                                                 \
1749     au                                                                  \
1750     avi                                                                 \
1751     dv=dv_fmt                                                           \
1752     ffm                                                                 \
1753     flv=flv_fmt                                                         \
1754     gxf                                                                 \
1755     matroska=mkv                                                        \
1756     mmf                                                                 \
1757     mov                                                                 \
1758     pcm_mulaw=mulaw                                                     \
1759     mxf="mxf mxf_d10"                                                   \
1760     nut                                                                 \
1761     ogg                                                                 \
1762     rawvideo=pixfmt                                                     \
1763     rm                                                                  \
1764     swf                                                                 \
1765     mpegts=ts                                                           \
1766     voc                                                                 \
1767     wav                                                                 \
1768     yuv4mpegpipe=yuv4mpeg                                               \
1769
1770 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1771 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1772
1773 # default parameters
1774
1775 logfile="config.log"
1776
1777 # installation paths
1778 prefix_default="/usr/local"
1779 bindir_default='${prefix}/bin'
1780 datadir_default='${prefix}/share/ffmpeg'
1781 incdir_default='${prefix}/include'
1782 libdir_default='${prefix}/lib'
1783 mandir_default='${prefix}/share/man'
1784 shlibdir_default="$libdir_default"
1785
1786 # toolchain
1787 ar_default="ar"
1788 cc_default="gcc"
1789 cxx_default="g++"
1790 cc_version=\"unknown\"
1791 host_cc_default="gcc"
1792 install="install"
1793 ln_s="ln -sf"
1794 nm_default="nm"
1795 objformat="elf"
1796 pkg_config_default=pkg-config
1797 ranlib="ranlib"
1798 strip_default="strip"
1799 yasmexe="yasm"
1800
1801 nm_opts='-g'
1802 nogas=":"
1803
1804 # machine
1805 arch_default=$(uname -m)
1806 cpu="generic"
1807
1808 # OS
1809 target_os_default=$(tolower $(uname -s))
1810 host_os=$target_os_default
1811
1812 # configurable options
1813 enable $PROGRAM_LIST
1814
1815 enable avcodec
1816 enable avdevice
1817 enable avfilter
1818 enable avformat
1819 enable avutil
1820 enable postproc
1821 enable stripping
1822 enable swresample
1823 enable swscale
1824
1825 enable asm
1826 enable debug
1827 enable doc
1828 enable fastdiv
1829 enable network
1830 enable optimizations
1831 enable safe_bitstream_reader
1832 enable static
1833 enable swscale_alpha
1834
1835 # build settings
1836 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1837 FFSERVERLDFLAGS=-Wl,-E
1838 LIBPREF="lib"
1839 LIBSUF=".a"
1840 FULLNAME='$(NAME)$(BUILDSUF)'
1841 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1842 SLIBPREF="lib"
1843 SLIBSUF=".so"
1844 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1845 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1846 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1847 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1848 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1849 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1850
1851 AS_O='-o $@'
1852 CC_O='-o $@'
1853 CXX_O='-o $@'
1854
1855 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1856 host_libs='-lm'
1857
1858 target_path='$(CURDIR)'
1859
1860 # since the object filename is not given with the -MM flag, the compiler
1861 # is only able to print the basename, and we must add the path ourselves
1862 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1863 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1864
1865 # find source path
1866 if test -f configure; then
1867     source_path=.
1868 else
1869     source_path=$(cd $(dirname "$0"); pwd)
1870     echo "$source_path" | grep -q '[[:blank:]]' &&
1871         die "Out of tree builds are impossible with whitespace in source path."
1872     test -e "$source_path/config.h" &&
1873         die "Out of tree builds are impossible with config.h in source dir."
1874 fi
1875
1876 for v in "$@"; do
1877     r=${v#*=}
1878     l=${v%"$r"}
1879     r=$(sh_quote "$r")
1880     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1881 done
1882
1883 find_things(){
1884     thing=$1
1885     pattern=$2
1886     file=$source_path/$3
1887     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1888 }
1889
1890 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1891 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1892 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1893 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1894 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1895 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1896 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1897 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1898 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1899 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1900 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1901
1902 ALL_COMPONENTS="
1903     $BSF_LIST
1904     $DECODER_LIST
1905     $DEMUXER_LIST
1906     $ENCODER_LIST
1907     $FILTER_LIST
1908     $HWACCEL_LIST
1909     $INDEV_LIST
1910     $MUXER_LIST
1911     $OUTDEV_LIST
1912     $PARSER_LIST
1913     $PROTOCOL_LIST
1914 "
1915
1916 find_tests(){
1917     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1918 }
1919
1920 ACODEC_TESTS=$(find_tests acodec)
1921 VCODEC_TESTS=$(find_tests vsynth1)
1922 LAVF_TESTS=$(find_tests lavf)
1923 LAVFI_TESTS=$(find_tests lavfi)
1924 SEEK_TESTS=$(find_tests seek seek_)
1925
1926 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1927
1928 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1929
1930 for n in $COMPONENT_LIST; do
1931     v=$(toupper ${n%s})_LIST
1932     eval enable \$$v
1933     eval ${n}_if_any="\$$v"
1934 done
1935
1936 enable $ARCH_EXT_LIST $ALL_TESTS
1937
1938 die_unknown(){
1939     echo "Unknown option \"$1\"."
1940     echo "See $0 --help for available options."
1941     exit 1
1942 }
1943
1944 show_list() {
1945     suffix=_$1
1946     shift
1947     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1948     exit 0
1949 }
1950
1951 for opt do
1952     optval="${opt#*=}"
1953     case "$opt" in
1954     --extra-ldflags=*) add_ldflags $optval
1955     ;;
1956     --extra-libs=*) add_extralibs $optval
1957     ;;
1958     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1959     ;;
1960     --enable-debug=*) debuglevel="$optval"
1961     ;;
1962     --disable-everything)
1963     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1964     ;;
1965     --enable-*=*|--disable-*=*)
1966     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1967     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1968     eval list=\$$(toupper $thing)_LIST
1969     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1970     $action $(filter "$name" $list)
1971     ;;
1972     --enable-?*|--disable-?*)
1973     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1974     if is_in $option $COMPONENT_LIST; then
1975         test $action = disable && action=unset
1976         eval $action \$$(toupper ${option%s})_LIST
1977     elif is_in $option $CMDLINE_SELECT; then
1978         $action $option
1979     else
1980         die_unknown $opt
1981     fi
1982     ;;
1983     --list-*)
1984         NAME="${opt#--list-}"
1985         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1986         NAME=${NAME%s}
1987         eval show_list $NAME \$$(toupper $NAME)_LIST
1988     ;;
1989     --help|-h) show_help
1990     ;;
1991     *)
1992     optname="${opt%%=*}"
1993     optname="${optname#--}"
1994     optname=$(echo "$optname" | sed 's/-/_/g')
1995     if is_in $optname $CMDLINE_SET; then
1996         eval $optname='$optval'
1997     elif is_in $optname $CMDLINE_APPEND; then
1998         append $optname "$optval"
1999     else
2000          die_unknown $opt
2001     fi
2002     ;;
2003     esac
2004 done
2005
2006 disabled logging && logfile=/dev/null
2007
2008 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2009 set >> $logfile
2010
2011 test -n "$cross_prefix" && enable cross_compile
2012
2013 if enabled cross_compile; then
2014     test -n "$arch" && test -n "$target_os" ||
2015         die "Must specify target arch and OS when cross-compiling"
2016 fi
2017
2018 set_default arch target_os
2019
2020 ar_default="${cross_prefix}${ar_default}"
2021 cc_default="${cross_prefix}${cc_default}"
2022 cxx_default="${cross_prefix}${cxx_default}"
2023 nm_default="${cross_prefix}${nm_default}"
2024 pkg_config_default="${cross_prefix}${pkg_config_default}"
2025 ranlib="${cross_prefix}${ranlib}"
2026 strip_default="${cross_prefix}${strip_default}"
2027
2028 sysinclude_default="${sysroot}/usr/include"
2029
2030 set_default cc cxx nm pkg_config strip sysinclude
2031 enabled cross_compile || host_cc_default=$cc
2032 set_default host_cc
2033
2034 if ! $pkg_config --version >/dev/null 2>&1; then
2035     warn "$pkg_config not found, library detection may fail."
2036     pkg_config=false
2037 fi
2038
2039 exesuf() {
2040     case $1 in
2041         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2042     esac
2043 }
2044
2045 EXESUF=$(exesuf $target_os)
2046 HOSTEXESUF=$(exesuf $host_os)
2047
2048 # set temporary file name
2049 : ${TMPDIR:=$TEMPDIR}
2050 : ${TMPDIR:=$TMP}
2051 : ${TMPDIR:=/tmp}
2052
2053 if ! check_cmd mktemp -u XXXXXX; then
2054     # simple replacement for missing mktemp
2055     # NOT SAFE FOR GENERAL USE
2056     mktemp(){
2057         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2058     }
2059 fi
2060
2061 tmpfile(){
2062     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2063         (set -C; exec > $tmp) 2>/dev/null ||
2064         die "Unable to create temporary file in $TMPDIR."
2065     append TMPFILES $tmp
2066     eval $1=$tmp
2067 }
2068
2069 trap 'rm -f -- $TMPFILES' EXIT
2070
2071 tmpfile TMPASM .asm
2072 tmpfile TMPC   .c
2073 tmpfile TMPCPP .cpp
2074 tmpfile TMPE   $EXESUF
2075 tmpfile TMPH   .h
2076 tmpfile TMPO   .o
2077 tmpfile TMPS   .S
2078 tmpfile TMPSH  .sh
2079 tmpfile TMPV   .ver
2080
2081 unset -f mktemp
2082
2083 chmod +x $TMPE
2084
2085 # make sure we can execute files in $TMPDIR
2086 cat > $TMPSH 2>> $logfile <<EOF
2087 #! /bin/sh
2088 EOF
2089 chmod +x $TMPSH >> $logfile 2>&1
2090 if ! $TMPSH >> $logfile 2>&1; then
2091     cat <<EOF
2092 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2093 variable to another directory and make sure that it is not mounted noexec.
2094 EOF
2095     die "Sanity test failed."
2096 fi
2097
2098 filter_asflags=echo
2099 filter_cflags=echo
2100 filter_cppflags=echo
2101
2102 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2103     cc_type=llvm_gcc
2104     cc_version=__VERSION__
2105     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2106     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2107     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2108     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2109     speed_cflags='-O3'
2110     size_cflags='-Os'
2111 elif $cc -v 2>&1 | grep -qi ^gcc; then
2112     cc_type=gcc
2113     cc_version=__VERSION__
2114     gcc_version=$($cc --version | head -n1)
2115     gcc_basever=$($cc -dumpversion)
2116     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2117     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2118     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2119     if ! $cc -dumpversion | grep -q '^2\.'; then
2120         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2121         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2122     fi
2123     speed_cflags='-O3'
2124     size_cflags='-Os'
2125 elif $cc --version 2>/dev/null | grep -q Intel; then
2126     cc_type=icc
2127     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2128     cc_ident=$($cc --version | head -n1)
2129     icc_version=$($cc -dumpversion)
2130     CC_DEPFLAGS='-MMD'
2131     AS_DEPFLAGS='-MMD'
2132     speed_cflags='-O3'
2133     size_cflags='-Os'
2134     noopt_cflags='-O1'
2135 elif $cc -v 2>&1 | grep -q xlc; then
2136     cc_type=xlc
2137     cc_version="AV_STRINGIFY(__IBMC__)"
2138     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2139     speed_cflags='-O5'
2140     size_cflags='-O5 -qcompact'
2141 elif $cc -V 2>/dev/null | grep -q Compaq; then
2142     cc_type=ccc
2143     cc_version="AV_STRINGIFY(__DECC_VER)"
2144     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2145     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2146     debuglevel=3
2147     add_ldflags -Wl,-z,now # calls to libots crash without this
2148     speed_cflags='-fast'
2149     size_cflags='-O1'
2150 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2151     test -d "$sysroot" || die "No valid sysroot specified."
2152     cc_type=armcc
2153     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2154     cc_ident=$($cc --vsn | head -n1)
2155     armcc_conf="$PWD/armcc.conf"
2156     $cc --arm_linux_configure                 \
2157         --arm_linux_config_file="$armcc_conf" \
2158         --configure_sysroot="$sysroot"        \
2159         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2160         die "Error creating armcc configuration file."
2161     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2162     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2163     as_default="${cross_prefix}gcc"
2164     CC_DEPFLAGS='-MMD'
2165     AS_DEPFLAGS='-MMD'
2166     speed_cflags='-O3'
2167     size_cflags='-Os'
2168     filter_asflags="filter_out -W${armcc_opt}*"
2169 elif $cc -version 2>/dev/null | grep -q TMS470; then
2170     cc_type=tms470
2171     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2172     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2173     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2174     CC_O='-fr=$(@D)'
2175     as_default="${cross_prefix}gcc"
2176     ld_default="${cross_prefix}gcc"
2177     TMPO=$(basename $TMPC .c).o
2178     append TMPFILES $TMPO
2179     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2180     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2181     AS_DEPFLAGS='-MMD'
2182     speed_cflags='-O3 -mf=5'
2183     size_cflags='-O3 -mf=2'
2184     filter_cflags=tms470_flags
2185     tms470_flags(){
2186         for flag; do
2187             case $flag in
2188                 -march=*|-mcpu=*)
2189                     case "${flag#*=}" in
2190                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2191                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2192                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2193                         armv6*|arm11*)          echo -mv=6   ;;
2194                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2195                                                 echo -mv=5e  ;;
2196                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2197                     esac
2198                     ;;
2199                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2200                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2201                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2202                 -msoft-float)   echo --float_support=vfplib       ;;
2203                 -O[0-3]|-mf=*)  echo $flag                        ;;
2204                 -g)             echo -g -mn                       ;;
2205                 -pds=*)         echo $flag                        ;;
2206             esac
2207         done
2208     }
2209 elif $cc -v 2>&1 | grep -q clang; then
2210     cc_type=clang
2211     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2212         cc_version=__clang_version__ || cc_version=__VERSION__
2213     cc_ident=$($cc --version | head -n1)
2214     CC_DEPFLAGS='-MMD'
2215     AS_DEPFLAGS='-MMD'
2216     speed_cflags='-O3'
2217     size_cflags='-Os'
2218 elif $cc -V 2>&1 | grep -q Sun; then
2219     cc_type=suncc
2220     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2221     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2222     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2223     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2224     add_ldflags -xc99
2225     speed_cflags='-O5'
2226     size_cflags='-O5 -xspace'
2227     filter_cflags=suncc_flags
2228     suncc_flags(){
2229         for flag; do
2230             case $flag in
2231                 -march=*|-mcpu=*)
2232                     case "${flag#*=}" in
2233                         native)                   echo -xtarget=native       ;;
2234                         v9|niagara)               echo -xarch=sparc          ;;
2235                         ultrasparc)               echo -xarch=sparcvis       ;;
2236                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2237                         i586|pentium)             echo -xchip=pentium        ;;
2238                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2239                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2240                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2241                         pentium4*)          echo -xtarget=pentium4           ;;
2242                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2243                         *-sse3)             echo -xarch=sse3                 ;;
2244                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2245                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2246                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2247                         k8|opteron|athlon64|athlon-fx)
2248                                                   echo -xarch=sse2a          ;;
2249                         athlon*)                  echo -xarch=pentium_proa   ;;
2250                     esac
2251                     ;;
2252                 -std=c99)             echo -xc99              ;;
2253                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2254                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2255                 -W*,*)                echo $flag              ;;
2256                 -f*-*|-W*)                                    ;;
2257                 *)                    echo $flag              ;;
2258             esac
2259         done
2260     }
2261 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2262     cc_type=pathscale
2263     cc_version=__PATHSCALE__
2264     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2265     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2266     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2267     speed_cflags='-O2'
2268     size_cflags='-Os'
2269     filter_cflags='filter_out -Wdisabled-optimization'
2270 elif $cc -v 2>&1 | grep -q Open64; then
2271     cc_type=open64
2272     cc_version=__OPEN64__
2273     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2274     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2275     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2276     speed_cflags='-O2'
2277     size_cflags='-Os'
2278     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2279 fi
2280
2281 test -n "$cc_type" && enable $cc_type ||
2282     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2283
2284 : ${as_default:=$cc}
2285 : ${dep_cc_default:=$cc}
2286 : ${ld_default:=$cc}
2287 set_default ar as dep_cc ld
2288
2289 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2290 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2291 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2292
2293 add_cflags $extra_cflags
2294 add_cxxflags $extra_cxxflags
2295 add_asflags $extra_cflags
2296
2297 if test -n "$sysroot"; then
2298     case "$cc_type" in
2299         gcc|llvm_gcc|clang)
2300             add_cppflags --sysroot="$sysroot"
2301             add_ldflags --sysroot="$sysroot"
2302         ;;
2303         tms470)
2304             add_cppflags -I"$sysinclude"
2305             add_ldflags  --sysroot="$sysroot"
2306         ;;
2307     esac
2308 fi
2309
2310 if test "$cpu" = host; then
2311     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2312
2313     case "$cc_type" in
2314         gcc|llvm_gcc)
2315             check_native(){
2316                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2317                 sed -n "/cc1.*$1=/{
2318                             s/.*$1=\\([^ ]*\\).*/\\1/
2319                             p
2320                             q
2321                         }" $TMPE
2322             }
2323             cpu=$(check_native -march || check_native -mcpu)
2324         ;;
2325     esac
2326
2327     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2328 fi
2329
2330 # Deal with common $arch aliases
2331 case "$arch" in
2332     arm*|iPad*)
2333         arch="arm"
2334     ;;
2335     mips|mipsel|IP*)
2336         arch="mips"
2337     ;;
2338     mips64*)
2339         arch="mips"
2340         subarch="mips64"
2341     ;;
2342     parisc|hppa)
2343         arch="parisc"
2344     ;;
2345     parisc64|hppa64)
2346         arch="parisc"
2347         subarch="parisc64"
2348     ;;
2349     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2350         arch="ppc"
2351     ;;
2352     s390|s390x)
2353         arch="s390"
2354     ;;
2355     sh4|sh)
2356         arch="sh4"
2357     ;;
2358     sun4u|sparc64)
2359         arch="sparc"
2360         subarch="sparc64"
2361     ;;
2362     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2363         arch="x86"
2364     ;;
2365 esac
2366
2367 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2368 enable $arch
2369
2370 # Add processor-specific flags
2371 if test "$cpu" = generic; then
2372     : do nothing
2373 elif enabled ppc; then
2374
2375     case $(tolower $cpu) in
2376         601|ppc601|powerpc601)
2377             cpuflags="-mcpu=601"
2378             disable altivec
2379         ;;
2380         603*|ppc603*|powerpc603*)
2381             cpuflags="-mcpu=603"
2382             disable altivec
2383         ;;
2384         604*|ppc604*|powerpc604*)
2385             cpuflags="-mcpu=604"
2386             disable altivec
2387         ;;
2388         g3|75*|ppc75*|powerpc75*)
2389             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2390             disable altivec
2391         ;;
2392         g4|745*|ppc745*|powerpc745*)
2393             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2394         ;;
2395         74*|ppc74*|powerpc74*)
2396             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2397         ;;
2398         g5|970|ppc970|powerpc970|power4*)
2399             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2400         ;;
2401         cell)
2402             cpuflags="-mcpu=cell"
2403             enable ldbrx
2404         ;;
2405         e500v2)
2406             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2407             disable altivec
2408         ;;
2409         e500)
2410             cpuflags="-mcpu=8540 -mhard-float"
2411             disable altivec
2412         ;;
2413     esac
2414
2415 elif enabled x86; then
2416
2417     case $cpu in
2418         i[345]86|pentium)
2419             cpuflags="-march=$cpu"
2420             disable mmx
2421         ;;
2422         # targets that do NOT support conditional mov (cmov)
2423         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2424             cpuflags="-march=$cpu"
2425             disable cmov
2426         ;;
2427         # targets that do support conditional mov (cmov)
2428         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2429             cpuflags="-march=$cpu"
2430             enable cmov
2431             enable fast_cmov
2432         ;;
2433         # targets that do support conditional mov but on which it's slow
2434         pentium4|pentium4m|prescott|nocona)
2435             cpuflags="-march=$cpu"
2436             enable cmov
2437             disable fast_cmov
2438         ;;
2439     esac
2440
2441 elif enabled sparc; then
2442
2443     case $cpu in
2444         niagara)
2445             cpuflags="-mcpu=$cpu"
2446             disable vis
2447         ;;
2448         sparc64)
2449             cpuflags="-mcpu=v9"
2450         ;;
2451     esac
2452
2453 elif enabled arm; then
2454
2455     case $cpu in
2456         armv*)
2457             cpuflags="-march=$cpu"
2458             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2459         ;;
2460         *)
2461             cpuflags="-mcpu=$cpu"
2462             case $cpu in
2463                 cortex-a*)                               subarch=armv7a  ;;
2464                 cortex-r*)                               subarch=armv7r  ;;
2465                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2466                 arm11*)                                  subarch=armv6   ;;
2467                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2468                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2469             esac
2470         ;;
2471     esac
2472
2473 elif enabled alpha; then
2474
2475     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2476
2477 elif enabled bfin; then
2478
2479     cpuflags="-mcpu=$cpu"
2480
2481 elif enabled mips; then
2482
2483     cpuflags="-march=$cpu"
2484
2485 elif enabled avr32; then
2486
2487     case $cpu in
2488         ap7[02]0[0-2])
2489             subarch="avr32_ap"
2490             cpuflags="-mpart=$cpu"
2491         ;;
2492         ap)
2493             subarch="avr32_ap"
2494             cpuflags="-march=$cpu"
2495         ;;
2496         uc3[ab]*)
2497             subarch="avr32_uc"
2498             cpuflags="-mcpu=$cpu"
2499         ;;
2500         uc)
2501             subarch="avr32_uc"
2502             cpuflags="-march=$cpu"
2503         ;;
2504     esac
2505
2506 fi
2507
2508 add_cflags $cpuflags
2509 add_asflags $cpuflags
2510
2511 # compiler sanity check
2512 check_exec <<EOF
2513 int main(void){ return 0; }
2514 EOF
2515 if test "$?" != 0; then
2516     echo "$cc is unable to create an executable file."
2517     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2518         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2519         echo "Only do this if you know what cross compiling means."
2520     fi
2521     die "C compiler test failed."
2522 fi
2523
2524 add_cppflags -D_ISOC99_SOURCE
2525 add_cxxflags -D__STDC_CONSTANT_MACROS
2526 check_cflags -std=c99
2527 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2528 #include <stdlib.h>
2529 EOF
2530 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2531 #include <stdlib.h>
2532 EOF
2533
2534 check_host_cflags -std=c99
2535 check_host_cflags -Wall
2536
2537 case "$arch" in
2538     alpha|ia64|mips|parisc|sparc)
2539         spic=$shared
2540     ;;
2541     x86)
2542         subarch="x86_32"
2543         check_cc <<EOF && subarch="x86_64"
2544         int test[(int)sizeof(char*) - 7];
2545 EOF
2546         if test "$subarch" = "x86_64"; then
2547             spic=$shared
2548         fi
2549     ;;
2550     ppc)
2551         check_cc <<EOF && subarch="ppc64"
2552         int test[(int)sizeof(char*) - 7];
2553 EOF
2554     ;;
2555 esac
2556
2557 enable $subarch
2558 enabled spic && enable pic
2559
2560 # OS specific
2561 case $target_os in
2562     haiku)
2563         prefix_default="/boot/common"
2564         network_extralibs="-lnetwork"
2565         host_libs=
2566         ;;
2567     sunos)
2568         FFSERVERLDFLAGS=""
2569         SHFLAGS='-shared -Wl,-h,$$(@F)'
2570         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2571         network_extralibs="-lsocket -lnsl"
2572         add_cppflags -D__EXTENSIONS__
2573         # When using suncc to build, the Solaris linker will mark
2574         # an executable with each instruction set encountered by
2575         # the Solaris assembler.  As our libraries contain their own
2576         # guards for processor-specific code, instead suppress
2577         # generation of the HWCAPS ELF section on Solaris x86 only.
2578         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2579         nm_opts='-P -g'
2580         ;;
2581     netbsd)
2582         disable symver
2583         oss_indev_extralibs="-lossaudio"
2584         oss_outdev_extralibs="-lossaudio"
2585         ;;
2586     openbsd)
2587         enable malloc_aligned
2588         # On OpenBSD 4.5. the compiler does not use PIC unless
2589         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2590         # however the generated executable will not do anything
2591         # (simply quits with exit-code 1, no crash, no output).
2592         # Thus explicitly enable PIC here.
2593         enable pic
2594         disable symver
2595         SHFLAGS='-shared'
2596         oss_indev_extralibs="-lossaudio"
2597         oss_outdev_extralibs="-lossaudio"
2598         ;;
2599     dragonfly)
2600         enable malloc_aligned
2601         disable symver
2602         ;;
2603     freebsd)
2604         enable malloc_aligned
2605         ;;
2606     bsd/os)
2607         add_extralibs -lpoll -lgnugetopt
2608         strip="strip -d"
2609         ;;
2610     darwin)
2611         enable malloc_aligned
2612         gas="gas-preprocessor.pl $cc"
2613         enabled ppc && add_asflags -force_cpusubtype_ALL
2614         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2615         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2616         strip="${strip} -x"
2617         add_ldflags -Wl,-dynamic,-search_paths_first
2618         SLIBSUF=".dylib"
2619         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2620         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2621         FFSERVERLDFLAGS=-Wl,-bind_at_load
2622         objformat="macho"
2623         enabled x86_64 && objformat="macho64"
2624         enabled_any pic shared ||
2625             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2626         ;;
2627     mingw32*)
2628         if test $target_os = "mingw32ce"; then
2629             disable network
2630         else
2631             target_os=mingw32
2632         fi
2633         LIBTARGET=i386
2634         if enabled x86_64; then
2635             enable malloc_aligned
2636             LIBTARGET=x64
2637         elif enabled arm; then
2638             LIBTARGET=arm-wince
2639         fi
2640         shlibdir_default="$bindir_default"
2641         SLIBPREF=""
2642         SLIBSUF=".dll"
2643         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2644         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2645         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2646         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2647         SLIB_INSTALL_LINKS=
2648         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2649         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2650         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'
2651         objformat="win32"
2652         enable dos_paths
2653         check_cflags -fno-common
2654         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2655                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2656                 die "ERROR: MinGW runtime version must be >= 3.15."
2657         add_cppflags -U__STRICT_ANSI__
2658         ;;
2659     cygwin*)
2660         target_os=cygwin
2661         shlibdir_default="$bindir_default"
2662         SLIBPREF="cyg"
2663         SLIBSUF=".dll"
2664         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2665         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2666         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2667         objformat="win32"
2668         enable dos_paths
2669         check_cflags -fno-common
2670         add_cppflags -U__STRICT_ANSI__
2671         ;;
2672     *-dos|freedos|opendos)
2673         network_extralibs="-lsocket"
2674         objformat="coff"
2675         enable dos_paths
2676         add_cppflags -U__STRICT_ANSI__
2677         ;;
2678     linux)
2679         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2680         enable dv1394
2681         ;;
2682     irix*)
2683         target_os=irix
2684         ranlib="echo ignoring ranlib"
2685         ;;
2686     os/2*)
2687         strip="lxlite -CS"
2688         ln_s="cp -f"
2689         objformat="aout"
2690         add_cppflags -D_GNU_SOURCE
2691         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2692         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2693         FFSERVERLDFLAGS=""
2694         LIBSUF="_s.a"
2695         SLIBPREF=""
2696         SLIBSUF=".dll"
2697         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2698         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2699         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2700           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2701           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2702           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2703           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2704           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2705         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2706           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2707         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2708         enable dos_paths
2709         enable_weak os2threads
2710         ;;
2711     gnu/kfreebsd)
2712         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2713         ;;
2714     gnu)
2715         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2716         ;;
2717     qnx)
2718         add_cppflags -D_QNX_SOURCE
2719         network_extralibs="-lsocket"
2720         ;;
2721     symbian)
2722         SLIBSUF=".dll"
2723         enable dos_paths
2724         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2725         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2726         add_ldflags -Wl,--target1-abs,--no-undefined \
2727                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2728                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2729         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2730                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2731                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2732         ;;
2733     none)
2734         ;;
2735     *)
2736         die "Unknown OS '$target_os'."
2737         ;;
2738 esac
2739
2740 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2741
2742 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2743
2744 set_default $PATHS_LIST
2745
2746 # we need to build at least one lib type
2747 if ! enabled_any static shared; then
2748     cat <<EOF
2749 At least one library type must be built.
2750 Specify --enable-static to build the static libraries or --enable-shared to
2751 build the shared libraries as well. To only build the shared libraries specify
2752 --disable-static in addition to --enable-shared.
2753 EOF
2754     exit 1;
2755 fi
2756
2757 die_license_disabled() {
2758     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2759 }
2760
2761 die_license_disabled gpl libcdio
2762 die_license_disabled gpl libx264
2763 die_license_disabled gpl libxavs
2764 die_license_disabled gpl libxvid
2765 die_license_disabled gpl x11grab
2766
2767 die_license_disabled nonfree libaacplus
2768 die_license_disabled nonfree libfaac
2769 die_license_disabled nonfree openssl
2770
2771 die_license_disabled version3 libopencore_amrnb
2772 die_license_disabled version3 libopencore_amrwb
2773 die_license_disabled version3 libvo_aacenc
2774 die_license_disabled version3 libvo_amrwbenc
2775
2776 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2777
2778 disabled optimizations || check_cflags -fomit-frame-pointer
2779
2780 enable_pic() {
2781     enable pic
2782     add_cppflags -DPIC
2783     add_cflags   -fPIC
2784     add_asflags  -fPIC
2785 }
2786
2787 enabled pic && enable_pic
2788
2789 check_cc <<EOF || die "Symbol mangling check failed."
2790 int ff_extern;
2791 EOF
2792 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2793 extern_prefix=${sym%%ff_extern*}
2794
2795 check_cc <<EOF && enable inline_asm
2796 void foo(void) { __asm__ volatile ("" ::); }
2797 EOF
2798
2799 _restrict=
2800 for restrict_keyword in restrict __restrict__ __restrict; do
2801     check_cc <<EOF && _restrict=$restrict_keyword && break
2802 void foo(char * $restrict_keyword p);
2803 EOF
2804 done
2805
2806 check_cc <<EOF && enable attribute_packed
2807 struct { int x; } __attribute__((packed)) x;
2808 EOF
2809
2810 check_cc <<EOF && enable attribute_may_alias
2811 union { int x; } __attribute__((may_alias)) x;
2812 EOF
2813
2814 check_cc <<EOF || die "endian test failed"
2815 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2816 EOF
2817 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2818
2819 if enabled alpha; then
2820
2821     check_cflags -mieee
2822
2823 elif enabled arm; then
2824
2825     enabled thumb && check_cflags -mthumb || check_cflags -marm
2826     nogas=die
2827
2828     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2829         enable vfp_args
2830     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2831         case "${cross_prefix:-$cc}" in
2832             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2833             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2834 __asm__ (".eabi_attribute 28, 1");
2835 int main(void) { return 0; }
2836 EOF
2837         esac
2838         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2839     fi
2840
2841     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2842     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2843     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2844     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2845     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2846     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2847     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2848
2849     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2850
2851     enabled_all armv6t2 shared !pic && enable_pic
2852
2853 elif enabled mips; then
2854
2855     check_asm loongson '"dmult.g $1, $2, $3"'
2856     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2857
2858 elif enabled ppc; then
2859
2860     enable local_aligned_8 local_aligned_16
2861
2862     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2863     check_asm ibm_asm   '"add 0, 0, 0"'
2864     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2865     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2866
2867     # AltiVec flags: The FSF version of GCC differs from the Apple version
2868     if enabled altivec; then
2869         nogas=warn
2870         check_cflags -maltivec -mabi=altivec &&
2871         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2872         check_cflags -faltivec
2873
2874         # check if our compiler supports Motorola AltiVec C API
2875         check_cc <<EOF || disable altivec
2876 $inc_altivec_h
2877 int main(void) {
2878     vector signed int v1, v2, v3;
2879     v1 = vec_add(v2,v3);
2880     return 0;
2881 }
2882 EOF
2883
2884         # check if our compiler supports braces for vector declarations
2885         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2886 $inc_altivec_h
2887 int main (void) { (vector int) {1}; return 0; }
2888 EOF
2889     fi
2890
2891 elif enabled sparc; then
2892
2893     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2894         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2895
2896 elif enabled x86; then
2897
2898     enable local_aligned_8 local_aligned_16
2899
2900     # check whether EBP is available on x86
2901     # As 'i' is stored on the stack, this program will crash
2902     # if the base pointer is used to access it because the
2903     # base pointer is cleared in the inline assembly code.
2904     check_exec_crash <<EOF && enable ebp_available
2905     volatile int i=0;
2906     __asm__ volatile (
2907         "xorl %%ebp, %%ebp"
2908     ::: "%ebp");
2909     return i;
2910 EOF
2911
2912     # check whether EBX is available on x86
2913     check_asm ebx_available '""::"b"(0)' &&
2914         check_asm ebx_available '"":::"%ebx"'
2915
2916     # check whether xmm clobbers are supported
2917     check_asm xmm_clobbers '"":::"%xmm0"'
2918
2919     # check whether binutils is new enough to compile SSSE3/MMX2
2920     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2921     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2922
2923     if ! disabled_any asm mmx yasm; then
2924         if check_cmd $yasmexe --version; then
2925             enabled x86_64 && yasm_extra="-m amd64"
2926             yasm_debug="-g dwarf2"
2927         elif check_cmd nasm -v; then
2928             yasmexe=nasm
2929             yasm_debug="-g -F dwarf"
2930             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2931         fi
2932
2933         YASMFLAGS="-f $objformat $yasm_extra"
2934         enabled pic               && append YASMFLAGS "-DPIC"
2935         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2936         case "$objformat" in
2937             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2938         esac
2939
2940         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2941             die "yasm not found, use --disable-yasm for a crippled build"
2942         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2943     fi
2944
2945     case "$cpu" in
2946         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2947             disable fast_clz
2948         ;;
2949     esac
2950
2951 fi
2952
2953 if enabled asm; then
2954     as=${gas:=$as}
2955     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2956         $nogas "GNU assembler not found, install gas-preprocessor"
2957 fi
2958
2959 check_ldflags -Wl,--as-needed
2960
2961 if check_func dlopen; then
2962     ldl=
2963 elif check_func dlopen -ldl; then
2964     ldl=-ldl
2965 fi
2966
2967 if enabled network; then
2968     check_type "sys/types.h sys/socket.h" socklen_t
2969     check_type netdb.h "struct addrinfo"
2970     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2971     check_type netinet/in.h "struct sockaddr_in6"
2972     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2973     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2974     # Prefer arpa/inet.h over winsock2
2975     if check_header arpa/inet.h ; then
2976         check_func closesocket
2977     elif check_header winsock2.h ; then
2978         check_func_headers winsock2.h closesocket -lws2 && \
2979             network_extralibs="-lws2" || \
2980         { check_func_headers winsock2.h closesocket -lws2_32 && \
2981             network_extralibs="-lws2_32"; }
2982         check_type ws2tcpip.h socklen_t
2983         check_type ws2tcpip.h "struct addrinfo"
2984         check_type ws2tcpip.h "struct ipv6_mreq"
2985         check_type ws2tcpip.h "struct sockaddr_in6"
2986         check_type ws2tcpip.h "struct sockaddr_storage"
2987         check_struct winsock2.h "struct sockaddr" sa_len
2988     else
2989         disable network
2990     fi
2991 fi
2992
2993 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2994 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2995
2996 check_func  fcntl
2997 check_func  fork
2998 check_func  getaddrinfo $network_extralibs
2999 check_func  gethrtime
3000 check_func  getrusage
3001 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3002 check_func  inet_aton $network_extralibs
3003 check_func  isatty
3004 check_func  localtime_r
3005 check_func  ${malloc_prefix}memalign            && enable memalign
3006 check_func  mkstemp
3007 check_func  mmap
3008 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3009 check_func  setrlimit
3010 check_func  strerror_r
3011 check_func  strptime
3012 check_func  sched_getaffinity
3013 check_func  sysconf
3014 check_func  sysctl
3015 check_func_headers conio.h kbhit
3016 check_func_headers windows.h PeekNamedPipe
3017 check_func_headers io.h setmode
3018 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3019 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3020 check_func_headers windows.h GetProcessAffinityMask
3021 check_func_headers windows.h GetProcessTimes
3022 check_func_headers windows.h MapViewOfFile
3023 check_func_headers windows.h VirtualAlloc
3024
3025 check_header dlfcn.h
3026 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3027 check_header libcrystalhd/libcrystalhd_if.h
3028 check_header malloc.h
3029 check_header poll.h
3030 check_header sys/mman.h
3031 check_header sys/param.h
3032 check_header sys/resource.h
3033 check_header sys/select.h
3034 check_header termios.h
3035 check_header vdpau/vdpau.h
3036 check_header vdpau/vdpau_x11.h
3037 check_header X11/extensions/XvMClib.h
3038 check_header asm/types.h
3039
3040 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3041 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3042
3043 # check for VDA header
3044 if ! disabled vda; then
3045     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3046         enable vda
3047         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3048     fi
3049 fi
3050
3051 if ! disabled w32threads && ! enabled pthreads; then
3052     check_func _beginthreadex && enable w32threads
3053 fi
3054
3055 # check for some common methods of building with pthread support
3056 # do this before the optional library checks as some of them require pthreads
3057 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3058     enable pthreads
3059     if check_func pthread_create; then
3060         :
3061     elif check_func pthread_create -pthread; then
3062         add_cflags -pthread
3063         add_extralibs -pthread
3064     elif check_func pthread_create -pthreads; then
3065         add_cflags -pthreads
3066         add_extralibs -pthreads
3067     elif check_func pthread_create -lpthreadGC2; then
3068         add_extralibs -lpthreadGC2
3069     elif ! check_lib pthread.h pthread_create -lpthread; then
3070         disable pthreads
3071     fi
3072 fi
3073
3074 for thread in $THREADS_LIST; do
3075     if enabled $thread; then
3076         test -n "$thread_type" &&
3077             die "ERROR: Only one thread type must be selected." ||
3078             thread_type="$thread"
3079     fi
3080 done
3081
3082 check_lib math.h sin -lm && LIBM="-lm"
3083 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3084 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3085
3086 check_mathfunc cbrtf
3087 check_mathfunc exp2
3088 check_mathfunc exp2f
3089 check_mathfunc llrint
3090 check_mathfunc llrintf
3091 check_mathfunc log2
3092 check_mathfunc log2f
3093 check_mathfunc lrint
3094 check_mathfunc lrintf
3095 check_mathfunc round
3096 check_mathfunc roundf
3097 check_mathfunc trunc
3098 check_mathfunc truncf
3099
3100 # these are off by default, so fail if requested and not available
3101 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3102 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3103 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3104 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3105 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3106 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0
3107 enabled libdc1394  && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
3108 enabled libdirac   && require_pkg_config dirac                          \
3109     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
3110     "dirac_decoder_init dirac_encoder_init"
3111 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3112 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3113 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3114 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3115 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3116 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3117 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3118 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3119 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3120 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3121 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3122 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3123 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3124 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3125 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3126     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3127     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3128 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3129 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3130 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3131 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3132 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3133 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3134 enabled libvpx     && {
3135     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3136                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3137     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3138                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3139 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3140                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3141                         die "ERROR: libx264 version must be >= 0.118."; }
3142 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3143 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3144 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3145                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3146                         die "ERROR: openal not found"; } &&
3147                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3148                         die "ERROR: openal version must be 1.1 or compatible"; }
3149 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
3150 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3151                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3152                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3153                         die "ERROR: openssl not found"; }
3154
3155 SDL_CONFIG="${cross_prefix}sdl-config"
3156 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3157     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3158     enable sdl &&
3159     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3160 else
3161   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3162     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3163     sdl_libs=$("${SDL_CONFIG}" --libs)
3164     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3165     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3166     enable sdl &&
3167     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3168   fi
3169 fi
3170 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3171
3172 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3173 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3174
3175 check_header linux/fb.h
3176 check_header linux/videodev.h
3177 check_header linux/videodev2.h
3178 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3179
3180 check_header sys/videoio.h
3181
3182 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3183 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3184 # w32api 3.12 had it defined wrong
3185 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3186
3187 check_type "dshow.h" IBaseFilter
3188
3189 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3190 { check_header dev/bktr/ioctl_meteor.h &&
3191   check_header dev/bktr/ioctl_bt848.h; } ||
3192 { check_header machine/ioctl_meteor.h &&
3193   check_header machine/ioctl_bt848.h; } ||
3194 { check_header dev/video/meteor/ioctl_meteor.h &&
3195   check_header dev/video/bktr/ioctl_bt848.h; } ||
3196 check_header dev/ic/bt8xx.h
3197
3198 check_header sndio.h
3199 if check_struct sys/soundcard.h audio_buf_info bytes; then
3200     enable_safe sys/soundcard.h
3201 else
3202     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3203     #include <sys/soundcard.h>
3204     audio_buf_info abc;
3205 EOF
3206 fi
3207 check_header soundcard.h
3208
3209 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3210
3211 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3212
3213 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3214
3215 enabled libcdio &&
3216     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3217
3218 enabled x11grab                         &&
3219 check_header X11/Xlib.h                 &&
3220 check_header X11/extensions/XShm.h      &&
3221 check_header X11/extensions/Xfixes.h    &&
3222 check_func XOpenDisplay -lX11           &&
3223 check_func XShmCreateImage -lX11 -lXext &&
3224 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3225
3226 if ! disabled vaapi; then
3227     check_lib va/va.h vaInitialize -lva && {
3228         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3229         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3230     } || disable vaapi
3231 fi
3232
3233 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3234 check_cpp_condition \
3235     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3236     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3237       disable vdpau; }
3238 fi
3239
3240 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3241 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3242
3243 # add some useful compiler flags if supported
3244 check_cflags -Wdeclaration-after-statement
3245 check_cflags -Wall
3246 check_cflags -Wno-parentheses
3247 check_cflags -Wno-switch
3248 check_cflags -Wno-format-zero-length
3249 check_cflags -Wdisabled-optimization
3250 check_cflags -Wpointer-arith
3251 check_cflags -Wredundant-decls
3252 check_cflags -Wno-pointer-sign
3253 check_cflags -Wcast-qual
3254 check_cflags -Wwrite-strings
3255 check_cflags -Wtype-limits
3256 check_cflags -Wundef
3257 check_cflags -Wmissing-prototypes
3258 check_cflags -Wno-pointer-to-int-cast
3259 check_cflags -Wstrict-prototypes
3260 enabled extra_warnings && check_cflags -Winline
3261
3262 # add some linker flags
3263 check_ldflags -Wl,--warn-common
3264 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3265 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3266
3267 echo "X{};" > $TMPV
3268 if test_ldflags -Wl,--version-script,$TMPV; then
3269     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3270     check_cc <<EOF && enable symver_asm_label
3271 void ff_foo(void) __asm__ ("av_foo@VERSION");
3272 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3273 EOF
3274     check_cc <<EOF && enable symver_gnu_asm
3275 __asm__(".symver ff_foo,av_foo@VERSION");
3276 void ff_foo(void) {}
3277 EOF
3278 fi
3279
3280 if [ -n "$optflags" ]; then
3281     add_cflags $optflags
3282 elif enabled small; then
3283     add_cflags $size_cflags
3284 elif enabled optimizations; then
3285     add_cflags $speed_cflags
3286 else
3287     add_cflags $noopt_cflags
3288 fi
3289 check_cflags -fno-math-errno
3290 check_cflags -fno-signed-zeros
3291 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3292 int x;
3293 EOF
3294
3295
3296 if enabled icc; then
3297     # Just warnings, no remarks
3298     check_cflags -w1
3299     # -wd: Disable following warnings
3300     # 144, 167, 556: -Wno-pointer-sign
3301     # 1292: attribute "foo" ignored
3302     # 10006: ignoring unknown option -fno-signed-zeros
3303     # 10148: ignoring unknown option -Wno-parentheses
3304     # 10156: ignoring option '-W'; no argument required
3305     check_cflags -wd144,167,556,1292,10006,10148,10156
3306     # 11030: Warning unknown option --as-needed
3307     # 10156: ignoring option '-export'; no argument required
3308     check_ldflags -wd10156,11030
3309     # Allow to compile with optimizations
3310     check_ldflags -march=$cpu
3311     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3312     enable ebp_available
3313     if enabled x86_32; then
3314         test ${icc_version%%.*} -ge 11 && \
3315             check_cflags -falign-stack=maintain-16-byte || \
3316             disable aligned_stack
3317     fi
3318 elif enabled ccc; then
3319     # disable some annoying warnings
3320     add_cflags -msg_disable cvtu32to64
3321     add_cflags -msg_disable embedcomment
3322     add_cflags -msg_disable needconstext
3323     add_cflags -msg_disable nomainieee
3324     add_cflags -msg_disable ptrmismatch1
3325     add_cflags -msg_disable unreachcode
3326 elif enabled gcc; then
3327     check_cflags -fno-tree-vectorize
3328     check_cflags -Werror=implicit-function-declaration
3329     check_cflags -Werror=missing-prototypes
3330 elif enabled llvm_gcc; then
3331     check_cflags -mllvm -stack-alignment=16
3332 elif enabled clang; then
3333     check_cflags -mllvm -stack-alignment=16
3334     check_cflags -Qunused-arguments
3335 elif enabled armcc; then
3336     # 2523: use of inline assembler is deprecated
3337     add_cflags -W${armcc_opt},--diag_suppress=2523
3338     add_cflags -W${armcc_opt},--diag_suppress=1207
3339     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3340     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3341     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3342     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3343 elif enabled tms470; then
3344     add_cflags -pds=824 -pds=837
3345 elif enabled pathscale; then
3346     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3347 fi
3348
3349 enabled_any $THREADS_LIST      && enable threads
3350
3351 check_deps $CONFIG_LIST       \
3352            $CONFIG_EXTRA      \
3353            $HAVE_LIST         \
3354            $ALL_COMPONENTS    \
3355            $ALL_TESTS         \
3356
3357 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3358
3359 if test $target_os = "haiku"; then
3360     disable memalign
3361     disable posix_memalign
3362 fi
3363
3364 ! enabled_any memalign posix_memalign malloc_aligned &&
3365     enabled_any $need_memalign && enable memalign_hack
3366
3367 echo "install prefix            $prefix"
3368 echo "source path               $source_path"
3369 echo "C compiler                $cc"
3370 echo "ARCH                      $arch ($cpu)"
3371 if test "$build_suffix" != ""; then
3372     echo "build suffix              $build_suffix"
3373 fi
3374 if test "$progs_suffix" != ""; then
3375     echo "progs suffix              $progs_suffix"
3376 fi
3377 if test "$extra_version" != ""; then
3378     echo "version string suffix     $extra_version"
3379 fi
3380 echo "big-endian                ${bigendian-no}"
3381 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3382 if enabled x86; then
3383     echo "${yasmexe}                      ${yasm-no}"
3384     echo "MMX enabled               ${mmx-no}"
3385     echo "MMX2 enabled              ${mmx2-no}"
3386     echo "3DNow! enabled            ${amd3dnow-no}"
3387     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3388     echo "SSE enabled               ${sse-no}"
3389     echo "SSSE3 enabled             ${ssse3-no}"
3390     echo "AVX enabled               ${avx-no}"
3391     echo "CMOV enabled              ${cmov-no}"
3392     echo "CMOV is fast              ${fast_cmov-no}"
3393     echo "EBX available             ${ebx_available-no}"
3394     echo "EBP available             ${ebp_available-no}"
3395 fi
3396 if enabled arm; then
3397     echo "ARMv5TE enabled           ${armv5te-no}"
3398     echo "ARMv6 enabled             ${armv6-no}"
3399     echo "ARMv6T2 enabled           ${armv6t2-no}"
3400     echo "ARM VFP enabled           ${armvfp-no}"
3401     echo "IWMMXT enabled            ${iwmmxt-no}"
3402     echo "NEON enabled              ${neon-no}"
3403 fi
3404 if enabled mips; then
3405     echo "MMI enabled               ${mmi-no}"
3406 fi
3407 if enabled ppc; then
3408     echo "AltiVec enabled           ${altivec-no}"
3409     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3410     echo "dcbzl available           ${dcbzl-no}"
3411 fi
3412 if enabled sparc; then
3413     echo "VIS enabled               ${vis-no}"
3414 fi
3415 echo "debug symbols             ${debug-no}"
3416 echo "strip symbols             ${stripping-no}"
3417 echo "optimize for size         ${small-no}"
3418 echo "optimizations             ${optimizations-no}"
3419 echo "static                    ${static-no}"
3420 echo "shared                    ${shared-no}"
3421 echo "postprocessing support    ${postproc-no}"
3422 echo "new filter support        ${avfilter-no}"
3423 echo "network support           ${network-no}"
3424 echo "threading support         ${thread_type-no}"
3425 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3426 echo "SDL support               ${sdl-no}"
3427 echo "Sun medialib support      ${mlib-no}"
3428 echo "libdxva2 enabled          ${dxva2-no}"
3429 echo "libva enabled             ${vaapi-no}"
3430 echo "libvdpau enabled          ${vdpau-no}"
3431 echo "AVISynth enabled          ${avisynth-no}"
3432 echo "frei0r enabled            ${frei0r-no}"
3433 echo "gnutls enabled            ${gnutls-no}"
3434 echo "libaacplus enabled        ${libaacplus-no}"
3435 echo "libass enabled            ${libass-no}"
3436 echo "libcdio support           ${libcdio-no}"
3437 echo "libcelt enabled           ${libcelt-no}"
3438 echo "libdc1394 support         ${libdc1394-no}"
3439 echo "libdirac enabled          ${libdirac-no}"
3440 echo "libfaac enabled           ${libfaac-no}"
3441 echo "libgsm enabled            ${libgsm-no}"
3442 echo "libmodplug enabled        ${libmodplug-no}"
3443 echo "libmp3lame enabled        ${libmp3lame-no}"
3444 echo "libnut enabled            ${libnut-no}"
3445 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3446 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3447 echo "libopencv support         ${libopencv-no}"
3448 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3449 echo "libpulse enabled          ${libpulse-no}"
3450 echo "librtmp enabled           ${librtmp-no}"
3451 echo "libschroedinger enabled   ${libschroedinger-no}"
3452 echo "libspeex enabled          ${libspeex-no}"
3453 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3454 echo "libtheora enabled         ${libtheora-no}"
3455 echo "libutvideo enabled        ${libutvideo-no}"
3456 echo "libv4l2 enabled           ${libv4l2-no}"
3457 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3458 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3459 echo "libvorbis enabled         ${libvorbis-no}"
3460 echo "libvpx enabled            ${libvpx-no}"
3461 echo "libx264 enabled           ${libx264-no}"
3462 echo "libxavs enabled           ${libxavs-no}"
3463 echo "libxvid enabled           ${libxvid-no}"
3464 echo "openal enabled            ${openal-no}"
3465 echo "openssl enabled           ${openssl-no}"
3466 echo "zlib enabled              ${zlib-no}"
3467 echo "bzlib enabled             ${bzlib-no}"
3468 echo
3469
3470 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3471     echo "Enabled ${type}s:"
3472     eval list=\$$(toupper $type)_LIST
3473     print_enabled '_*' $list | sort | pr -r -3 -t
3474     echo
3475 done
3476
3477 license="LGPL version 2.1 or later"
3478 if enabled nonfree; then
3479     license="nonfree and unredistributable"
3480 elif enabled gplv3; then
3481     license="GPL version 3 or later"
3482 elif enabled lgplv3; then
3483     license="LGPL version 3 or later"
3484 elif enabled gpl; then
3485     license="GPL version 2 or later"
3486 fi
3487
3488 echo "License: $license"
3489
3490 echo "Creating config.mak and config.h..."
3491
3492 test -e Makefile || $ln_s "$source_path/Makefile" .
3493
3494 enabled stripping || strip="echo skipping strip"
3495
3496 config_files="$TMPH config.mak"
3497
3498 cat > config.mak <<EOF
3499 # Automatically generated by configure - do not modify!
3500 ifndef FFMPEG_CONFIG_MAK
3501 FFMPEG_CONFIG_MAK=1
3502 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3503 prefix=$prefix
3504 LIBDIR=\$(DESTDIR)$libdir
3505 SHLIBDIR=\$(DESTDIR)$shlibdir
3506 INCDIR=\$(DESTDIR)$incdir
3507 BINDIR=\$(DESTDIR)$bindir
3508 DATADIR=\$(DESTDIR)$datadir
3509 MANDIR=\$(DESTDIR)$mandir
3510 SRC_PATH=$source_path
3511 ifndef MAIN_MAKEFILE
3512 SRC_PATH:=\$(SRC_PATH:.%=..%)
3513 endif
3514 CC_IDENT=$cc_ident
3515 ARCH=$arch
3516 CC=$cc
3517 CXX=$cxx
3518 AS=$as
3519 LD=$ld
3520 DEPCC=$dep_cc
3521 YASM=$yasmexe
3522 YASMDEP=$yasmexe
3523 AR=$ar
3524 RANLIB=$ranlib
3525 CP=cp -p
3526 LN_S=$ln_s
3527 STRIP=$strip
3528 CPPFLAGS=$CPPFLAGS
3529 CFLAGS=$CFLAGS
3530 CXXFLAGS=$CXXFLAGS
3531 ASFLAGS=$ASFLAGS
3532 AS_O=$CC_O
3533 CC_O=$CC_O
3534 CXX_O=$CXX_O
3535 LDFLAGS=$LDFLAGS
3536 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3537 SHFLAGS=$SHFLAGS
3538 YASMFLAGS=$YASMFLAGS
3539 BUILDSUF=$build_suffix
3540 PROGSSUF=$progs_suffix
3541 FULLNAME=$FULLNAME
3542 LIBPREF=$LIBPREF
3543 LIBSUF=$LIBSUF
3544 LIBNAME=$LIBNAME
3545 SLIBPREF=$SLIBPREF
3546 SLIBSUF=$SLIBSUF
3547 EXESUF=$EXESUF
3548 EXTRA_VERSION=$extra_version
3549 DEPFLAGS=$DEPFLAGS
3550 CCDEP=$CCDEP
3551 CXXDEP=$CXXDEP
3552 ASDEP=$ASDEP
3553 CC_DEPFLAGS=$CC_DEPFLAGS
3554 AS_DEPFLAGS=$AS_DEPFLAGS
3555 HOSTCC=$host_cc
3556 HOSTCFLAGS=$host_cflags
3557 HOSTEXESUF=$HOSTEXESUF
3558 HOSTLDFLAGS=$host_ldflags
3559 HOSTLIBS=$host_libs
3560 TARGET_EXEC=$target_exec
3561 TARGET_PATH=$target_path
3562 SDL_LIBS=$sdl_libs
3563 SDL_CFLAGS=$sdl_cflags
3564 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3565 EXTRALIBS=$extralibs
3566 INSTALL=$install
3567 LIBTARGET=${LIBTARGET}
3568 SLIBNAME=${SLIBNAME}
3569 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3570 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3571 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3572 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3573 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3574 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3575 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3576 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3577 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3578 NOREDZONE_FLAGS=$noredzone_flags
3579 EOF
3580
3581 get_version(){
3582     name=$1
3583     file=$source_path/$2
3584     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3585     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3586     lcname=$(tolower $name)
3587     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3588     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3589 }
3590
3591 get_version LIBAVCODEC  libavcodec/version.h
3592 get_version LIBAVDEVICE libavdevice/avdevice.h
3593 get_version LIBAVFILTER libavfilter/version.h
3594 get_version LIBAVFORMAT libavformat/version.h
3595 get_version LIBAVUTIL   libavutil/avutil.h
3596 get_version LIBPOSTPROC libpostproc/postprocess.h
3597 get_version LIBSWRESAMPLE libswresample/swresample.h
3598 get_version LIBSWSCALE  libswscale/swscale.h
3599
3600 cat > $TMPH <<EOF
3601 /* Automatically generated by configure - do not modify! */
3602 #ifndef FFMPEG_CONFIG_H
3603 #define FFMPEG_CONFIG_H
3604 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3605 #define FFMPEG_LICENSE "$(c_escape $license)"
3606 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3607 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3608 #define CC_TYPE "$cc_type"
3609 #define CC_VERSION $cc_version
3610 #define restrict $_restrict
3611 #define EXTERN_PREFIX "${extern_prefix}"
3612 #define EXTERN_ASM ${extern_prefix}
3613 #define SLIBSUF "$SLIBSUF"
3614 EOF
3615
3616 test -n "$malloc_prefix" &&
3617     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3618
3619 if enabled small || disabled optimizations; then
3620     echo "#undef  av_always_inline"  >> $TMPH
3621     if enabled small; then
3622         echo "#define av_always_inline inline"  >> $TMPH
3623     else
3624         echo "#define av_always_inline av_unused"  >> $TMPH
3625     fi
3626 fi
3627
3628 if enabled yasm; then
3629     append config_files $TMPASM
3630     printf '' >$TMPASM
3631 fi
3632
3633 print_config ARCH_   "$config_files" $ARCH_LIST
3634 print_config HAVE_   "$config_files" $HAVE_LIST
3635 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3636                                      $CONFIG_EXTRA      \
3637                                      $ALL_COMPONENTS    \
3638
3639 cat >>config.mak <<EOF
3640 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3641 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3642 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3643 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3644 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3645 EOF
3646
3647 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3648 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3649
3650 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3651 cp_if_changed $TMPH config.h
3652 touch .config
3653
3654 enabled yasm && cp_if_changed $TMPASM config.asm
3655
3656 cat > $TMPH <<EOF
3657 /* Generated by ffconf */
3658 #ifndef AVUTIL_AVCONFIG_H
3659 #define AVUTIL_AVCONFIG_H
3660 EOF
3661
3662 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3663
3664 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3665
3666 cp_if_changed $TMPH libavutil/avconfig.h
3667
3668 test -n "$WARNINGS" && printf "\n$WARNINGS"
3669
3670 # build pkg-config files
3671
3672 pkgconfig_generate(){
3673 name=$1
3674 shortname=${name#lib}${build_suffix}
3675 comment=$2
3676 version=$3
3677 libs=$4
3678 requires=$5
3679 enabled ${name#lib} || return 0
3680 mkdir -p $name
3681 cat <<EOF > $name/$name.pc
3682 prefix=$prefix
3683 exec_prefix=\${prefix}
3684 libdir=$libdir
3685 includedir=$incdir
3686
3687 Name: $name
3688 Description: $comment
3689 Version: $version
3690 Requires: $(enabled shared || echo $requires)
3691 Requires.private: $(enabled shared && echo $requires)
3692 Conflicts:
3693 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3694 Libs.private: $(enabled shared && echo $libs)
3695 Cflags: -I\${includedir}
3696 EOF
3697 cat <<EOF > $name/$name-uninstalled.pc
3698 prefix=
3699 exec_prefix=
3700 libdir=\${pcfiledir}
3701 includedir=${source_path}
3702
3703 Name: $name
3704 Description: $comment
3705 Version: $version
3706 Requires: $requires
3707 Conflicts:
3708 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3709 Cflags: -I\${includedir}
3710 EOF
3711 }
3712
3713 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3714 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3715 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3716 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3717 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3718 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3719 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3720 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"