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   --disable-avconv         disable 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   --enable-w32threads      use Win32 threads [no]
  97   --enable-x11grab         enable X11 grabbing [no]
  98   --disable-network        disable network support [no]
  99   --enable-gray            enable full grayscale support (slower color)
 100   --disable-swscale-alpha  disable alpha channel support in swscale
 101   --disable-fastdiv        disable table-based division
 102   --enable-small           optimize for size instead of speed
 103   --disable-aandct         disable AAN DCT code
 104   --disable-dct            disable DCT code
 105   --disable-fft            disable FFT code
 106   --disable-golomb         disable Golomb code
 107   --disable-huffman        disable Huffman code
 108   --disable-lpc            disable LPC code
 109   --disable-mdct           disable MDCT code
 110   --disable-rdft           disable RDFT code
 111   --enable-vaapi           enable VAAPI code [autodetect]
 112   --enable-vdpau           enable VDPAU code [autodetect]
 113   --disable-dxva2          disable DXVA2 code
 114   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
 115   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 116   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 117   --disable-everything     disable all components listed below
 118   --disable-encoder=NAME   disable encoder NAME
 119   --enable-encoder=NAME    enable encoder NAME
 120   --disable-encoders       disable all encoders
 121   --disable-decoder=NAME   disable decoder NAME
 122   --enable-decoder=NAME    enable decoder NAME
 123   --disable-decoders       disable all decoders
 124   --disable-hwaccel=NAME   disable hwaccel NAME
 125   --enable-hwaccel=NAME    enable hwaccel NAME
 126   --disable-hwaccels       disable all hwaccels
 127   --disable-muxer=NAME     disable muxer NAME
 128   --enable-muxer=NAME      enable muxer NAME
 129   --disable-muxers         disable all muxers
 130   --disable-demuxer=NAME   disable demuxer NAME
 131   --enable-demuxer=NAME    enable demuxer NAME
 132   --disable-demuxers       disable all demuxers
 133   --enable-parser=NAME     enable parser NAME
 134   --disable-parser=NAME    disable parser NAME
 135   --disable-parsers        disable all parsers
 136   --enable-bsf=NAME        enable bitstream filter NAME
 137   --disable-bsf=NAME       disable bitstream filter NAME
 138   --disable-bsfs           disable all bitstream filters
 139   --enable-protocol=NAME   enable protocol NAME
 140   --disable-protocol=NAME  disable protocol NAME
 141   --disable-protocols      disable all protocols
 142   --disable-indev=NAME     disable input device NAME
 143   --disable-outdev=NAME    disable output device NAME
 144   --disable-indevs         disable input devices
 145   --disable-outdevs        disable output devices
 146   --disable-devices        disable all devices
 147   --enable-filter=NAME     enable filter NAME
 148   --disable-filter=NAME    disable filter NAME
 149   --disable-filters        disable all filters
 150   --list-decoders          show all available decoders
 151   --list-encoders          show all available encoders
 152   --list-hwaccels          show all available hardware accelerators
 153   --list-muxers            show all available muxers
 154   --list-demuxers          show all available demuxers
 155   --list-parsers           show all available parsers
 156   --list-protocols         show all available protocols
 157   --list-bsfs              show all available bitstream filters
 158   --list-indevs            show all available input devices
 159   --list-outdevs           show all available output devices
 160   --list-filters           show all available filters
 161
 162 External library support:
 163   --enable-avisynth        enable reading of AVISynth script files [no]
 164   --enable-bzlib           enable bzlib [autodetect]
 165   --enable-libcelt         enable CELT/Opus decoding via libcelt [no]
 166   --enable-frei0r          enable frei0r video filtering
 167   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
 168   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 169   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 170   --enable-libopencv       enable video filtering via libopencv [no]
 171   --enable-libcdio         enable audio CD grabbing with libcdio
 172   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 173                            and libraw1394 [no]
 174   --enable-libdirac        enable Dirac support via libdirac [no]
 175   --enable-libfaac         enable FAAC support via libfaac [no]
 176   --enable-libfreetype     enable libfreetype [no]
 177   --enable-libgsm          enable GSM support via libgsm [no]
 178   --enable-libmodplug      enable ModPlug via libmodplug [no]
 179   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
 180   --enable-libnut          enable NUT (de)muxing via libnut,
 181                            native (de)muxer exists [no]
 182   --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
 183   --enable-librtmp         enable RTMP[E] support via librtmp [no]
 184   --enable-libschroedinger enable Dirac support via libschroedinger [no]
 185   --enable-libspeex        enable Speex encoding and decoding via libspeex [no]
 186   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
 187   --enable-libtheora       enable Theora encoding via libtheora [no]
 188   --enable-libutvideo      enable Ut Video decoding via libutvideo [no]
 189   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
 190   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
 191   --enable-libvorbis       enable Vorbis encoding via libvorbis,
 192                            native implementation exists [no]
 193   --enable-libvpx          enable VP8 support via libvpx [no]
 194   --enable-libx264         enable H.264 encoding via x264 [no]
 195   --enable-libxavs         enable AVS encoding via xavs [no]
 196   --enable-libxvid         enable Xvid encoding via xvidcore,
 197                            native MPEG-4/Xvid encoder exists [no]
 198   --enable-openal          enable OpenAL 1.1 capture support [no]
 199   --enable-mlib            enable Sun medialib [no]
 200   --enable-zlib            enable zlib [autodetect]
 201
 202 Advanced options (experts only):
 203   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
 204   --enable-cross-compile   assume a cross-compiler is used
 205   --sysroot=PATH           root of cross-build tree
 206   --sysinclude=PATH        location of cross-build system headers
 207   --target-os=OS           compiler targets OS [$target_os]
 208   --target-exec=CMD        command to run executables on target
 209   --target-path=DIR        path to view of build directory on target
 210   --nm=NM                  use nm tool
 211   --ar=AR                  use archive tool AR [$ar_default]
 212   --as=AS                  use assembler AS [$as_default]
 213   --cc=CC                  use C compiler CC [$cc_default]
 214   --cxx=CXX                use C compiler CXX [$cxx_default]
 215   --ld=LD                  use linker LD
 216   --host-cc=HOSTCC         use host C compiler HOSTCC
 217   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 218   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 219   --host-libs=HLIBS        use libs HLIBS when linking for host
 220   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 221   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
 222   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
 223   --extra-libs=ELIBS       add ELIBS [$ELIBS]
 224   --extra-version=STRING   version string suffix []
 225   --build-suffix=SUFFIX    library name suffix []
 226   --progs-suffix=SUFFIX    program name suffix []
 227   --arch=ARCH              select architecture [$arch]
 228   --cpu=CPU                select the minimum required CPU (affects
 229                            instruction selection, may crash on older CPUs)
 230   --disable-asm            disable all assembler optimizations
 231   --disable-altivec        disable AltiVec optimizations
 232   --disable-amd3dnow       disable 3DNow! optimizations
 233   --disable-amd3dnowext    disable 3DNow! extended optimizations
 234   --disable-mmx            disable MMX optimizations
 235   --disable-mmx2           disable MMX2 optimizations
 236   --disable-sse            disable SSE optimizations
 237   --disable-ssse3          disable SSSE3 optimizations
 238   --disable-avx            disable AVX optimizations
 239   --disable-armv5te        disable armv5te optimizations
 240   --disable-armv6          disable armv6 optimizations
 241   --disable-armv6t2        disable armv6t2 optimizations
 242   --disable-armvfp         disable ARM VFP optimizations
 243   --disable-iwmmxt         disable iwmmxt optimizations
 244   --disable-mmi            disable MMI optimizations
 245   --disable-neon           disable neon optimizations
 246   --disable-vis            disable VIS optimizations
 247   --disable-yasm           disable use of yasm assembler
 248   --enable-pic             build position-independent code
 249   --malloc-prefix=PFX      prefix malloc and related names with PFX
 250   --enable-sram            allow use of on-chip SRAM
 251   --disable-symver         disable symbol versioning
 252   --optflags               override optimization-related compiler flags
 253
 254 Developer options (useful when working on FFmpeg itself):
 255   --disable-debug          disable debugging symbols
 256   --enable-debug=LEVEL     set the debug level [$debuglevel]
 257   --disable-optimizations  disable compiler optimizations
 258   --enable-extra-warnings  enable more compiler warnings
 259   --disable-stripping      disable stripping of executables and shared libraries
 260   --samples=PATH           location of test samples for FATE, if not set use
 261                            \$FATE_SAMPLES at make invocation time.
 262
 263 NOTE: Object files are built at the place where configure is launched.
 264 EOF
 265   exit 0
 266 }
 267
 268 quotes='""'
 269
 270 log(){
 271     echo "$@" >> $logfile
 272 }
 273
 274 log_file(){
 275     log BEGIN $1
 276     pr -n -t $1 >> $logfile
 277     log END $1
 278 }
 279
 280 echolog(){
 281     log "$@"
 282     echo "$@"
 283 }
 284
 285 warn(){
 286     log "WARNING: $*"
 287     WARNINGS="${WARNINGS}WARNING: $*\n"
 288 }
 289
 290 die(){
 291     echolog "$@"
 292     cat <<EOF
 293
 294 If you think configure made a mistake, make sure you are using the latest
 295 version from Git.  If the latest version fails, report the problem to the
 296 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 297 EOF
 298     if disabled logging; then
 299         cat <<EOF
 300 Rerun configure with logging enabled (do not use --disable-logging), and
 301 include the log this produces with your report.
 302 EOF
 303     else
 304 cat <<EOF
 305 Include the log file "$logfile" produced by configure as this will help
 306 solving the problem.
 307 EOF
 308     fi
 309     exit 1
 310 }
 311
 312 # Avoid locale weirdness, besides we really just want to translate ASCII.
 313 toupper(){
 314     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 315 }
 316
 317 tolower(){
 318     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 319 }
 320
 321 c_escape(){
 322     echo "$*" | sed 's/["\\]/\\\0/g'
 323 }
 324
 325 sh_quote(){
 326     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 327     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 328     echo "$v"
 329 }
 330
 331 cleanws(){
 332     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 333 }
 334
 335 filter(){
 336     pat=$1
 337     shift
 338     for v; do
 339         eval "case $v in $pat) echo $v ;; esac"
 340     done
 341 }
 342
 343 filter_out(){
 344     pat=$1
 345     shift
 346     for v; do
 347         eval "case $v in $pat) ;; *) echo $v ;; esac"
 348     done
 349 }
 350
 351 map(){
 352     m=$1
 353     shift
 354     for v; do eval $m; done
 355 }
 356
 357 set_all(){
 358     value=$1
 359     shift
 360     for var in $*; do
 361         eval $var=$value
 362     done
 363 }
 364
 365 set_weak(){
 366     value=$1
 367     shift
 368     for var; do
 369         eval : \${$var:=$value}
 370     done
 371 }
 372
 373 set_safe(){
 374     var=$1
 375     shift
 376     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 377 }
 378
 379 get_safe(){
 380     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 381 }
 382
 383 pushvar(){
 384     for var in $*; do
 385         eval level=\${${var}_level:=0}
 386         eval ${var}_${level}="\$$var"
 387         eval ${var}_level=$(($level+1))
 388     done
 389 }
 390
 391 popvar(){
 392     for var in $*; do
 393         eval level=\${${var}_level:-0}
 394         test $level = 0 && continue
 395         eval level=$(($level-1))
 396         eval $var="\${${var}_${level}}"
 397         eval ${var}_level=$level
 398         eval unset ${var}_${level}
 399     done
 400 }
 401
 402 enable(){
 403     set_all yes $*
 404 }
 405
 406 disable(){
 407     set_all no $*
 408 }
 409
 410 enable_weak(){
 411     set_weak yes $*
 412 }
 413
 414 disable_weak(){
 415     set_weak no $*
 416 }
 417
 418 enable_safe(){
 419     for var; do
 420         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 421     done
 422 }
 423
 424 disable_safe(){
 425     for var; do
 426         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 427     done
 428 }
 429
 430 do_enable_deep(){
 431     for var; do
 432         enabled $var && continue
 433         eval sel="\$${var}_select"
 434         eval sgs="\$${var}_suggest"
 435         pushvar var sgs
 436         enable_deep $sel
 437         popvar sgs
 438         enable_deep_weak $sgs
 439         popvar var
 440     done
 441 }
 442
 443 enable_deep(){
 444     do_enable_deep $*
 445     enable $*
 446 }
 447
 448 enable_deep_weak(){
 449     do_enable_deep $*
 450     enable_weak $*
 451 }
 452
 453 enabled(){
 454     test "${1#!}" = "$1" && op== || op=!=
 455     eval test "x\$${1#!}" $op "xyes"
 456 }
 457
 458 disabled(){
 459     test "${1#!}" = "$1" && op== || op=!=
 460     eval test "x\$${1#!}" $op "xno"
 461 }
 462
 463 enabled_all(){
 464     for opt; do
 465         enabled $opt || return 1
 466     done
 467 }
 468
 469 disabled_all(){
 470     for opt; do
 471         disabled $opt || return 1
 472     done
 473 }
 474
 475 enabled_any(){
 476     for opt; do
 477         enabled $opt && return 0
 478     done
 479 }
 480
 481 disabled_any(){
 482     for opt; do
 483         disabled $opt && return 0
 484     done
 485     return 1
 486 }
 487
 488 set_default(){
 489     for opt; do
 490         eval : \${$opt:=\$${opt}_default}
 491     done
 492 }
 493
 494 is_in(){
 495     value=$1
 496     shift
 497     for var in $*; do
 498         [ $var = $value ] && return 0
 499     done
 500     return 1
 501 }
 502
 503 check_deps(){
 504     for cfg; do
 505         cfg="${cfg#!}"
 506         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 507         disabled ${cfg}_checking && continue
 508         enable ${cfg}_checking
 509
 510         eval dep_all="\$${cfg}_deps"
 511         eval dep_any="\$${cfg}_deps_any"
 512         eval dep_sel="\$${cfg}_select"
 513         eval dep_sgs="\$${cfg}_suggest"
 514         eval dep_ifa="\$${cfg}_if"
 515         eval dep_ifn="\$${cfg}_if_any"
 516
 517         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 518         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 519         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 520
 521         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 522         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 523         enabled_all  $dep_all || disable $cfg
 524         enabled_any  $dep_any || disable $cfg
 525         disabled_any $dep_sel && disable $cfg
 526
 527         if enabled $cfg; then
 528             eval dep_extralibs="\$${cfg}_extralibs"
 529             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 530             enable_deep $dep_sel
 531             enable_deep_weak $dep_sgs
 532         fi
 533
 534         disable ${cfg}_checking
 535     done
 536 }
 537
 538 print_config_h(){
 539     enabled $1 && v=1 || v=0
 540     echo "#define $2 $v"
 541 }
 542
 543 print_config_mak(){
 544     enabled $1 && v= || v=!
 545     echo "$v$2=yes"
 546 }
 547
 548 print_config_asm(){
 549     enabled $1 && echo "%define $2"
 550 }
 551
 552 print_config(){
 553     pfx=$1
 554     files=$2
 555     shift 2
 556     for cfg; do
 557         ucname="$(toupper $cfg)"
 558         for f in $files; do
 559             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 560         done
 561     done
 562 }
 563
 564 print_enabled(){
 565     test "$1" = -n && end=" " && shift || end="\n"
 566     suf=$1
 567     shift
 568     for v; do
 569         enabled $v && printf "%s$end" ${v%$suf};
 570     done
 571 }
 572
 573 append(){
 574     var=$1
 575     shift
 576     eval "$var=\"\$$var $*\""
 577 }
 578
 579 prepend(){
 580     var=$1
 581     shift
 582     eval "$var=\"$* \$$var\""
 583 }
 584
 585 add_cppflags(){
 586     append CPPFLAGS $($filter_cppflags "$@")
 587 }
 588
 589 add_cflags(){
 590     append CFLAGS $($filter_cflags "$@")
 591 }
 592
 593 add_cxxflags(){
 594     append CXXFLAGS $($filter_cflags "$@")
 595 }
 596
 597 add_asflags(){
 598     append ASFLAGS $($filter_asflags "$@")
 599 }
 600
 601 add_ldflags(){
 602     append LDFLAGS "$@"
 603 }
 604
 605 add_extralibs(){
 606     prepend extralibs "$@"
 607 }
 608
 609 check_cmd(){
 610     log "$@"
 611     "$@" >> $logfile 2>&1
 612 }
 613
 614 check_cc(){
 615     log check_cc "$@"
 616     cat > $TMPC
 617     log_file $TMPC
 618     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 619 }
 620
 621 check_cxx(){
 622     log check_cxx "$@"
 623     cat > $TMPCPP
 624     log_file $TMPCPP
 625     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
 626 }
 627
 628 check_cpp(){
 629     log check_cpp "$@"
 630     cat > $TMPC
 631     log_file $TMPC
 632     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 633 }
 634
 635 check_as(){
 636     log check_as "$@"
 637     cat > $TMPC
 638     log_file $TMPC
 639     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 640 }
 641
 642 check_asm(){
 643     log check_asm "$@"
 644     name="$1"
 645     code="$2"
 646     shift 2
 647     disable $name
 648     check_as "$@" <<EOF && enable $name
 649 void foo(void){ __asm__ volatile($code); }
 650 EOF
 651 }
 652
 653 check_yasm(){
 654     log check_yasm "$@"
 655     echo "$1" > $TMPS
 656     log_file $TMPS
 657     shift 1
 658     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 659 }
 660
 661 check_ld(){
 662     log check_ld "$@"
 663     type=$1
 664     shift 1
 665     flags=''
 666     libs=''
 667     for f; do
 668         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 669     done
 670     check_$type $($filter_cflags $flags) || return
 671     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
 672 }
 673
 674 check_cppflags(){
 675     log check_cppflags "$@"
 676     set -- $($filter_cppflags "$@")
 677     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 678 int x;
 679 EOF
 680 }
 681
 682 check_cflags(){
 683     log check_cflags "$@"
 684     set -- $($filter_cflags "$@")
 685     check_cc "$@" <<EOF && append CFLAGS "$@"
 686 int x;
 687 EOF
 688 }
 689
 690 check_cxxflags(){
 691     log check_cxxflags "$@"
 692     set -- $($filter_cflags "$@")
 693     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 694 int x;
 695 EOF
 696 }
 697
 698 test_ldflags(){
 699     log test_ldflags "$@"
 700     check_ld "cc" "$@" <<EOF
 701 int main(void){ return 0; }
 702 EOF
 703 }
 704
 705 check_ldflags(){
 706     log check_ldflags "$@"
 707     test_ldflags "$@" && add_ldflags "$@"
 708 }
 709
 710 check_header(){
 711     log check_header "$@"
 712     header=$1
 713     shift
 714     disable_safe $header
 715     check_cpp "$@" <<EOF && enable_safe $header
 716 #include <$header>
 717 int x;
 718 EOF
 719 }
 720
 721 check_func(){
 722     log check_func "$@"
 723     func=$1
 724     shift
 725     disable $func
 726     check_ld "cc" "$@" <<EOF && enable $func
 727 extern int $func();
 728 int main(void){ $func(); }
 729 EOF
 730 }
 731
 732 check_mathfunc(){
 733     log check_mathfunc "$@"
 734     func=$1
 735     shift
 736     disable $func
 737     check_ld "cc" "$@" <<EOF && enable $func
 738 #include <math.h>
 739 float foo(float f) { return $func(f); }
 740 int main(void){ return (int) foo; }
 741 EOF
 742 }
 743
 744 check_func_headers(){
 745     log check_func_headers "$@"
 746     headers=$1
 747     funcs=$2
 748     shift 2
 749     {
 750         for hdr in $headers; do
 751             echo "#include <$hdr>"
 752         done
 753         for func in $funcs; do
 754             echo "long check_$func(void) { return (long) $func; }"
 755         done
 756         echo "int main(void) { return 0; }"
 757     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 758 }
 759
 760 check_class_headers_cpp(){
 761     log check_class_headers_cpp "$@"
 762     headers=$1
 763     classes=$2
 764     shift 2
 765     {
 766         for hdr in $headers; do
 767             echo "#include <$hdr>"
 768         done
 769         echo "int main(void) { "
 770         i=1
 771         for class in $classes; do
 772             echo "$class obj$i;"
 773             i=$(expr $i + 1)
 774         done
 775         echo "return 0; }"
 776     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 777 }
 778
 779 check_cpp_condition(){
 780     log check_cpp_condition "$@"
 781     header=$1
 782     condition=$2
 783     shift 2
 784     check_cpp $($filter_cppflags "$@") <<EOF
 785 #include <$header>
 786 #if !($condition)
 787 #error "unsatisfied condition: $condition"
 788 #endif
 789 EOF
 790 }
 791
 792 check_lib(){
 793     log check_lib "$@"
 794     header="$1"
 795     func="$2"
 796     shift 2
 797     check_header $header && check_func $func "$@" && add_extralibs "$@"
 798 }
 799
 800 check_lib2(){
 801     log check_lib2 "$@"
 802     headers="$1"
 803     funcs="$2"
 804     shift 2
 805     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 806 }
 807
 808 check_lib_cpp(){
 809     log check_lib_cpp "$@"
 810     headers="$1"
 811     classes="$2"
 812     shift 2
 813     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 814 }
 815
 816 check_pkg_config(){
 817     log check_pkg_config "$@"
 818     pkg="$1"
 819     headers="$2"
 820     funcs="$3"
 821     shift 3
 822     $pkg_config --exists $pkg 2>/dev/null || return
 823     pkg_cflags=$($pkg_config --cflags $pkg)
 824     pkg_libs=$($pkg_config --libs $pkg)
 825     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 826         set_safe ${pkg}_cflags $pkg_cflags   &&
 827         set_safe ${pkg}_libs   $pkg_libs
 828 }
 829
 830 check_exec(){
 831     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 832 }
 833
 834 check_exec_crash(){
 835     code=$(cat)
 836
 837     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 838     # are safe but may not be available everywhere.  Thus we use
 839     # raise(SIGTERM) instead.  The check is run in a subshell so we
 840     # can redirect the "Terminated" message from the shell.  SIGBUS
 841     # is not defined by standard C so it is used conditionally.
 842
 843     (check_exec "$@") >> $logfile 2>&1 <<EOF
 844 #include <signal.h>
 845 static void sighandler(int sig){
 846     raise(SIGTERM);
 847 }
 848 int main(void){
 849     signal(SIGILL, sighandler);
 850     signal(SIGFPE, sighandler);
 851     signal(SIGSEGV, sighandler);
 852 #ifdef SIGBUS
 853     signal(SIGBUS, sighandler);
 854 #endif
 855     { $code }
 856 }
 857 EOF
 858 }
 859
 860 check_type(){
 861     log check_type "$@"
 862     headers=$1
 863     type=$2
 864     shift 2
 865     disable_safe "$type"
 866     incs=""
 867     for hdr in $headers; do
 868         incs="$incs
 869 #include <$hdr>"
 870     done
 871     check_cc "$@" <<EOF && enable_safe "$type"
 872 $incs
 873 $type v;
 874 EOF
 875 }
 876
 877 check_struct(){
 878     log check_type "$@"
 879     headers=$1
 880     struct=$2
 881     member=$3
 882     shift 3
 883     disable_safe "${struct}_${member}"
 884     incs=""
 885     for hdr in $headers; do
 886         incs="$incs
 887 #include <$hdr>"
 888     done
 889     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
 890 $incs
 891 const void *p = &(($struct *)0)->$member;
 892 EOF
 893 }
 894
 895 require(){
 896     name="$1"
 897     header="$2"
 898     func="$3"
 899     shift 3
 900     check_lib $header $func "$@" || die "ERROR: $name not found"
 901 }
 902
 903 require2(){
 904     name="$1"
 905     headers="$2"
 906     func="$3"
 907     shift 3
 908     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 909 }
 910
 911 require_cpp(){
 912     name="$1"
 913     headers="$2"
 914     classes="$3"
 915     shift 3
 916     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
 917 }
 918
 919 require_pkg_config(){
 920     pkg="$1"
 921     check_pkg_config "$@" || die "ERROR: $pkg not found"
 922     add_cflags    $(get_safe ${pkg}_cflags)
 923     add_extralibs $(get_safe ${pkg}_libs)
 924 }
 925
 926 check_host_cc(){
 927     log check_host_cc "$@"
 928     cat > $TMPC
 929     log_file $TMPC
 930     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
 931 }
 932
 933 check_host_cflags(){
 934     log check_host_cflags "$@"
 935     check_host_cc "$@" <<EOF && append host_cflags "$@"
 936 int x;
 937 EOF
 938 }
 939
 940 apply(){
 941     file=$1
 942     shift
 943     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 944 }
 945
 946 cp_if_changed(){
 947     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
 948     mkdir -p "$(dirname $2)"
 949     cp -f "$1" "$2"
 950 }
 951
 952 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 953 # system-dependent things.
 954
 955 COMPONENT_LIST="
 956     bsfs
 957     decoders
 958     demuxers
 959     encoders
 960     filters
 961     hwaccels
 962     indevs
 963     muxers
 964     outdevs
 965     parsers
 966     protocols
 967 "
 968
 969 CONFIG_LIST="
 970     $COMPONENT_LIST
 971     aandct
 972     ac3dsp
 973     avcodec
 974     avdevice
 975     avfilter
 976     avformat
 977     avisynth
 978     bzlib
 979     crystalhd
 980     dct
 981     doc
 982     dwt
 983     dxva2
 984     fastdiv
 985     ffmpeg
 986     avconv
 987     ffplay
 988     ffprobe
 989     ffserver
 990     fft
 991     frei0r
 992     golomb
 993     gpl
 994     gray
 995     h264dsp
 996     h264pred
 997     hardcoded_tables
 998     huffman
 999     libaacplus
1000     libcdio
1001     libcelt
1002     libdc1394
1003     libdirac
1004     libfaac
1005     libfreetype
1006     libgsm
1007     libmodplug
1008     libmp3lame
1009     libnut
1010     libopencore_amrnb
1011     libopencore_amrwb
1012     libopencv
1013     libopenjpeg
1014     librtmp
1015     libschroedinger
1016     libspeex
1017     libstagefright_h264
1018     libtheora
1019     libutvideo
1020     libvo_aacenc
1021     libvo_amrwbenc
1022     libvorbis
1023     libvpx
1024     libx264
1025     libxavs
1026     libxvid
1027     lpc
1028     lsp
1029     mdct
1030     memalign_hack
1031     mlib
1032     mpegaudiodsp
1033     network
1034     nonfree
1035     openal
1036     pic
1037     postproc
1038     rdft
1039     rtpdec
1040     runtime_cpudetect
1041     shared
1042     sinewin
1043     small
1044     sram
1045     static
1046     swresample
1047     swscale
1048     swscale_alpha
1049     thumb
1050     vaapi
1051     vdpau
1052     version3
1053     x11grab
1054     zlib
1055 "
1056
1057 THREADS_LIST='
1058     pthreads
1059     w32threads
1060 '
1061
1062 ARCH_LIST='
1063     alpha
1064     arm
1065     avr32
1066     avr32_ap
1067     avr32_uc
1068     bfin
1069     ia64
1070     m68k
1071     mips
1072     mips64
1073     parisc
1074     ppc
1075     ppc64
1076     s390
1077     sh4
1078     sparc
1079     sparc64
1080     tomi
1081     x86
1082     x86_32
1083     x86_64
1084 '
1085
1086 ARCH_EXT_LIST='
1087     altivec
1088     amd3dnow
1089     amd3dnowext
1090     armv5te
1091     armv6
1092     armv6t2
1093     armvfp
1094     avx
1095     iwmmxt
1096     mmi
1097     mmx
1098     mmx2
1099     neon
1100     ppc4xx
1101     sse
1102     ssse3
1103     vfpv3
1104     vis
1105 '
1106
1107 HAVE_LIST_PUB='
1108     bigendian
1109     fast_unaligned
1110 '
1111
1112 HAVE_LIST="
1113     $ARCH_EXT_LIST
1114     $HAVE_LIST_PUB
1115     $THREADS_LIST
1116     aligned_stack
1117     alsa_asoundlib_h
1118     altivec_h
1119     arpa_inet_h
1120     asm_mod_y
1121     attribute_may_alias
1122     attribute_packed
1123     bswap
1124     closesocket
1125     cmov
1126     dcbzl
1127     dev_bktr_ioctl_bt848_h
1128     dev_bktr_ioctl_meteor_h
1129     dev_ic_bt8xx_h
1130     dev_video_meteor_ioctl_meteor_h
1131     dev_video_bktr_ioctl_bt848_h
1132     dlfcn_h
1133     dlopen
1134     dos_paths
1135     ebp_available
1136     ebx_available
1137     exp2
1138     exp2f
1139     fast_64bit
1140     fast_clz
1141     fast_cmov
1142     fcntl
1143     fork
1144     getaddrinfo
1145     gethrtime
1146     GetProcessMemoryInfo
1147     GetProcessTimes
1148     getrusage
1149     gnu_as
1150     struct_rusage_ru_maxrss
1151     ibm_asm
1152     inet_aton
1153     inline_asm
1154     isatty
1155     kbhit
1156     ldbrx
1157     llrint
1158     llrintf
1159     local_aligned_16
1160     local_aligned_8
1161     localtime_r
1162     log2
1163     log2f
1164     loongson
1165     lrint
1166     lrintf
1167     lzo1x_999_compress
1168     machine_ioctl_bt848_h
1169     machine_ioctl_meteor_h
1170     malloc_h
1171     MapViewOfFile
1172     memalign
1173     mkstemp
1174     mmap
1175     PeekNamedPipe
1176     posix_memalign
1177     round
1178     roundf
1179     sdl
1180     sdl_video_size
1181     setmode
1182     sndio_h
1183     socklen_t
1184     soundcard_h
1185     poll_h
1186     setrlimit
1187     strerror_r
1188     strptime
1189     struct_addrinfo
1190     struct_ipv6_mreq
1191     struct_sockaddr_in6
1192     struct_sockaddr_sa_len
1193     struct_sockaddr_storage
1194     symver
1195     symver_gnu_asm
1196     symver_asm_label
1197     sys_mman_h
1198     sys_resource_h
1199     sys_select_h
1200     sys_soundcard_h
1201     sys_videoio_h
1202     termios_h
1203     threads
1204     trunc
1205     truncf
1206     vfp_args
1207     VirtualAlloc
1208     winsock2_h
1209     xform_asm
1210     xmm_clobbers
1211     yasm
1212 "
1213
1214 # options emitted with CONFIG_ prefix but not available on command line
1215 CONFIG_EXTRA="
1216     avutil
1217     gplv3
1218     lgplv3
1219 "
1220
1221 CMDLINE_SELECT="
1222     $ARCH_EXT_LIST
1223     $CONFIG_LIST
1224     $THREADS_LIST
1225     asm
1226     cross_compile
1227     debug
1228     extra_warnings
1229     logging
1230     optimizations
1231     stripping
1232     symver
1233     yasm
1234 "
1235
1236 PATHS_LIST='
1237     bindir
1238     datadir
1239     incdir
1240     libdir
1241     mandir
1242     prefix
1243     shlibdir
1244 '
1245
1246 CMDLINE_SET="
1247     $PATHS_LIST
1248     ar
1249     arch
1250     as
1251     build_suffix
1252     progs_suffix
1253     cc
1254     cpu
1255     cross_prefix
1256     cxx
1257     dep_cc
1258     extra_version
1259     host_cc
1260     host_cflags
1261     host_ldflags
1262     host_libs
1263     host_os
1264     install
1265     ld
1266     logfile
1267     malloc_prefix
1268     nm
1269     optflags
1270     pkg_config
1271     samples
1272     strip
1273     sysinclude
1274     sysroot
1275     target_exec
1276     target_os
1277     target_path
1278 "
1279
1280 CMDLINE_APPEND="
1281     extra_cflags
1282     extra_cxxflags
1283 "
1284
1285 # code dependency declarations
1286
1287 # architecture extensions
1288
1289 armv5te_deps="arm"
1290 armv6_deps="arm"
1291 armv6t2_deps="arm"
1292 armvfp_deps="arm"
1293 iwmmxt_deps="arm"
1294 neon_deps="arm"
1295 vfpv3_deps="armvfp"
1296
1297 mmi_deps="mips"
1298
1299 altivec_deps="ppc"
1300 ppc4xx_deps="ppc"
1301
1302 vis_deps="sparc"
1303
1304 x86_64_suggest="cmov fast_cmov"
1305 amd3dnow_deps="mmx"
1306 amd3dnowext_deps="amd3dnow"
1307 mmx_deps="x86"
1308 mmx2_deps="mmx"
1309 sse_deps="mmx"
1310 ssse3_deps="sse"
1311 avx_deps="ssse3"
1312
1313 aligned_stack_if_any="ppc x86"
1314 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1315 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1316 fast_unaligned_if_any="armv6 ppc x86"
1317
1318 need_memalign="altivec neon sse"
1319 inline_asm_deps="!tms470"
1320
1321 symver_if_any="symver_asm_label symver_gnu_asm"
1322
1323 # subsystems
1324 dct_select="rdft"
1325 mdct_select="fft"
1326 rdft_select="fft"
1327 mpegaudiodsp_select="dct"
1328
1329 # decoders / encoders / hardware accelerators
1330 aac_decoder_select="mdct sinewin"
1331 aac_encoder_select="mdct sinewin"
1332 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1333 ac3_decoder_select="mdct ac3dsp ac3_parser"
1334 ac3_encoder_select="mdct ac3dsp"
1335 ac3_fixed_encoder_select="mdct ac3dsp"
1336 alac_encoder_select="lpc"
1337 amrnb_decoder_select="lsp"
1338 amrwb_decoder_select="lsp"
1339 atrac1_decoder_select="mdct sinewin"
1340 atrac3_decoder_select="mdct"
1341 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1342 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1343 cavs_decoder_select="golomb"
1344 cook_decoder_select="mdct sinewin"
1345 cscd_decoder_suggest="zlib"
1346 dca_decoder_select="mdct"
1347 dnxhd_encoder_select="aandct"
1348 dxa_decoder_select="zlib"
1349 eac3_decoder_select="ac3_decoder"
1350 eac3_encoder_select="mdct ac3dsp"
1351 eamad_decoder_select="aandct"
1352 eatgq_decoder_select="aandct"
1353 eatqi_decoder_select="aandct"
1354 ffv1_decoder_select="golomb"
1355 flac_decoder_select="golomb"
1356 flac_encoder_select="golomb lpc"
1357 flashsv_decoder_select="zlib"
1358 flashsv_encoder_select="zlib"
1359 flashsv2_encoder_select="zlib"
1360 flashsv2_decoder_select="zlib"
1361 flv_decoder_select="h263_decoder"
1362 flv_encoder_select="h263_encoder"
1363 fraps_decoder_select="huffman"
1364 h261_encoder_select="aandct"
1365 h263_decoder_select="h263_parser"
1366 h263_encoder_select="aandct"
1367 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1368 h263i_decoder_select="h263_decoder"
1369 h263p_encoder_select="h263_encoder"
1370 h264_decoder_select="golomb h264dsp h264pred"
1371 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1372 h264_dxva2_hwaccel_deps="dxva2api_h"
1373 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1374 h264_vaapi_hwaccel_select="vaapi"
1375 h264_vdpau_decoder_select="vdpau h264_decoder"
1376 imc_decoder_select="fft mdct sinewin"
1377 jpegls_decoder_select="golomb"
1378 jpegls_encoder_select="golomb"
1379 ljpeg_encoder_select="aandct"
1380 loco_decoder_select="golomb"
1381 mjpeg_encoder_select="aandct"
1382 mlp_decoder_select="mlp_parser"
1383 mp1_decoder_select="mpegaudiodsp"
1384 mp2_decoder_select="mpegaudiodsp"
1385 mp3adu_decoder_select="mpegaudiodsp"
1386 mp3_decoder_select="mpegaudiodsp"
1387 mp3on4_decoder_select="mpegaudiodsp"
1388 mp1float_decoder_select="mpegaudiodsp"
1389 mp2float_decoder_select="mpegaudiodsp"
1390 mp3adufloat_decoder_select="mpegaudiodsp"
1391 mp3float_decoder_select="mpegaudiodsp"
1392 mp3on4float_decoder_select="mpegaudiodsp"
1393 mpeg1video_encoder_select="aandct"
1394 mpeg2video_encoder_select="aandct"
1395 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1396 mpeg4_encoder_select="h263_encoder"
1397 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1398 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1399 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1400 mpeg2_crystalhd_decoder_select="crystalhd"
1401 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1402 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1403 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1404 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1405 mpeg4_crystalhd_decoder_select="crystalhd"
1406 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1407 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1408 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1409 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1410 msmpeg4_crystalhd_decoder_select="crystalhd"
1411 msmpeg4v1_decoder_select="h263_decoder"
1412 msmpeg4v1_encoder_select="h263_encoder"
1413 msmpeg4v2_decoder_select="h263_decoder"
1414 msmpeg4v2_encoder_select="h263_encoder"
1415 msmpeg4v3_decoder_select="h263_decoder"
1416 msmpeg4v3_encoder_select="h263_encoder"
1417 nellymoser_decoder_select="mdct sinewin"
1418 nellymoser_encoder_select="mdct sinewin"
1419 png_decoder_select="zlib"
1420 png_encoder_select="zlib"
1421 qcelp_decoder_select="lsp"
1422 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1423 ra_144_encoder_select="lpc"
1424 rv10_decoder_select="h263_decoder"
1425 rv10_encoder_select="h263_encoder"
1426 rv20_decoder_select="h263_decoder"
1427 rv20_encoder_select="h263_encoder"
1428 rv30_decoder_select="golomb h264pred"
1429 rv40_decoder_select="golomb h264pred"
1430 shorten_decoder_select="golomb"
1431 sipr_decoder_select="lsp"
1432 snow_decoder_select="dwt"
1433 snow_encoder_select="aandct dwt"
1434 sonic_decoder_select="golomb"
1435 sonic_encoder_select="golomb"
1436 sonic_ls_encoder_select="golomb"
1437 svq1_encoder_select="aandct"
1438 svq3_decoder_select="golomb h264dsp h264pred"
1439 svq3_decoder_suggest="zlib"
1440 theora_decoder_select="vp3_decoder"
1441 tiff_decoder_suggest="zlib"
1442 tiff_encoder_suggest="zlib"
1443 truehd_decoder_select="mlp_decoder"
1444 tscc_decoder_select="zlib"
1445 twinvq_decoder_select="mdct lsp sinewin"
1446 vc1_decoder_select="h263_decoder"
1447 vc1_crystalhd_decoder_select="crystalhd"
1448 vc1_dxva2_hwaccel_deps="dxva2api_h"
1449 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1450 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1451 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1452 vc1image_decoder_select="vc1_decoder"
1453 vorbis_decoder_select="mdct"
1454 vorbis_encoder_select="mdct"
1455 vp6_decoder_select="huffman"
1456 vp6a_decoder_select="vp6_decoder"
1457 vp6f_decoder_select="vp6_decoder"
1458 vp8_decoder_select="h264pred"
1459 wmapro_decoder_select="mdct sinewin"
1460 wmav1_decoder_select="mdct sinewin"
1461 wmav1_encoder_select="mdct sinewin"
1462 wmav2_decoder_select="mdct sinewin"
1463 wmav2_encoder_select="mdct sinewin"
1464 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1465 wmv1_decoder_select="h263_decoder"
1466 wmv1_encoder_select="h263_encoder"
1467 wmv2_decoder_select="h263_decoder"
1468 wmv2_encoder_select="h263_encoder"
1469 wmv3_decoder_select="vc1_decoder"
1470 wmv3_crystalhd_decoder_select="crystalhd"
1471 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1472 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1473 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1474 wmv3image_decoder_select="wmv3_decoder"
1475 zlib_decoder_select="zlib"
1476 zlib_encoder_select="zlib"
1477 zmbv_decoder_select="zlib"
1478 zmbv_encoder_select="zlib"
1479
1480 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1481 vaapi_deps="va_va_h"
1482 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1483
1484 # parsers
1485 h264_parser_select="golomb h264dsp h264pred"
1486
1487 # external libraries
1488 libaacplus_encoder_deps="libaacplus"
1489 libcelt_decoder_deps="libcelt"
1490 libdirac_decoder_deps="libdirac !libschroedinger"
1491 libdirac_encoder_deps="libdirac"
1492 libfaac_encoder_deps="libfaac"
1493 libgsm_decoder_deps="libgsm"
1494 libgsm_encoder_deps="libgsm"
1495 libgsm_ms_decoder_deps="libgsm"
1496 libgsm_ms_encoder_deps="libgsm"
1497 libmodplug_demuxer_deps="libmodplug"
1498 libmp3lame_encoder_deps="libmp3lame"
1499 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1500 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1501 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1502 libopenjpeg_decoder_deps="libopenjpeg"
1503 libschroedinger_decoder_deps="libschroedinger"
1504 libschroedinger_encoder_deps="libschroedinger"
1505 libspeex_decoder_deps="libspeex"
1506 libspeex_encoder_deps="libspeex"
1507 libstagefright_h264_decoder_deps="libstagefright_h264"
1508 libtheora_encoder_deps="libtheora"
1509 libvo_aacenc_encoder_deps="libvo_aacenc"
1510 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1511 libvorbis_encoder_deps="libvorbis"
1512 libvpx_decoder_deps="libvpx"
1513 libvpx_encoder_deps="libvpx"
1514 libx264_encoder_deps="libx264"
1515 libxavs_encoder_deps="libxavs"
1516 libxvid_encoder_deps="libxvid"
1517 libutvideo_decoder_deps="libutvideo gpl"
1518
1519 # demuxers / muxers
1520 ac3_demuxer_select="ac3_parser"
1521 asf_stream_muxer_select="asf_muxer"
1522 avisynth_demuxer_deps="avisynth"
1523 dirac_demuxer_select="dirac_parser"
1524 eac3_demuxer_select="ac3_parser"
1525 flac_demuxer_select="flac_parser"
1526 ipod_muxer_select="mov_muxer"
1527 libnut_demuxer_deps="libnut"
1528 libnut_muxer_deps="libnut"
1529 matroska_audio_muxer_select="matroska_muxer"
1530 matroska_demuxer_suggest="zlib bzlib"
1531 mov_demuxer_suggest="zlib"
1532 mp3_demuxer_select="mpegaudio_parser"
1533 mp4_muxer_select="mov_muxer"
1534 mpegtsraw_demuxer_select="mpegts_demuxer"
1535 mxf_d10_muxer_select="mxf_muxer"
1536 ogg_demuxer_select="golomb"
1537 psp_muxer_select="mov_muxer"
1538 rtp_demuxer_select="sdp_demuxer"
1539 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1540 rtsp_demuxer_select="http_protocol rtpdec"
1541 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1542 sap_demuxer_select="sdp_demuxer"
1543 sap_muxer_select="rtp_muxer rtp_protocol"
1544 sdp_demuxer_select="rtpdec"
1545 spdif_muxer_select="aac_parser"
1546 tg2_muxer_select="mov_muxer"
1547 tgp_muxer_select="mov_muxer"
1548 w64_demuxer_deps="wav_demuxer"
1549
1550 # indevs / outdevs
1551 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1552 alsa_outdev_deps="alsa_asoundlib_h"
1553 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1554 dshow_indev_deps="IBaseFilter"
1555 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1556 dv1394_indev_deps="dv1394 dv_demuxer"
1557 fbdev_indev_deps="linux_fb_h"
1558 jack_indev_deps="jack_jack_h sem_timedwait"
1559 lavfi_indev_deps="avfilter"
1560 libcdio_indev_deps="libcdio"
1561 libdc1394_indev_deps="libdc1394"
1562 openal_indev_deps="openal"
1563 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1564 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1565 sdl_outdev_deps="sdl"
1566 sndio_indev_deps="sndio_h"
1567 sndio_outdev_deps="sndio_h"
1568 v4l_indev_deps="linux_videodev_h"
1569 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1570 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1571 vfwcap_indev_extralibs="-lavicap32"
1572 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1573 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1574
1575 # protocols
1576 gopher_protocol_deps="network"
1577 http_protocol_deps="network"
1578 http_protocol_select="tcp_protocol"
1579 mmsh_protocol_select="http_protocol"
1580 mmst_protocol_deps="network"
1581 rtmp_protocol_select="tcp_protocol"
1582 rtp_protocol_select="udp_protocol"
1583 tcp_protocol_deps="network"
1584 udp_protocol_deps="network"
1585
1586 # filters
1587 amovie_filter_deps="avcodec avformat"
1588 blackframe_filter_deps="gpl"
1589 boxblur_filter_deps="gpl"
1590 cropdetect_filter_deps="gpl"
1591 delogo_filter_deps="gpl"
1592 drawtext_filter_deps="libfreetype"
1593 frei0r_filter_deps="frei0r dlopen"
1594 frei0r_src_filter_deps="frei0r dlopen"
1595 hqdn3d_filter_deps="gpl"
1596 movie_filter_deps="avcodec avformat"
1597 mp_filter_deps="gpl avcodec"
1598 mptestsrc_filter_deps="gpl"
1599 negate_filter_deps="lut_filter"
1600 ocv_filter_deps="libopencv"
1601 scale_filter_deps="swscale"
1602 yadif_filter_deps="gpl"
1603
1604 # libraries
1605 avdevice_deps="avcodec avformat"
1606 avformat_deps="avcodec"
1607 postproc_deps="gpl"
1608
1609 # programs
1610 ffmpeg_deps="avcodec avformat swscale swresample"
1611 ffmpeg_select="buffer_filter buffersink_filter"
1612 avconv_deps="avcodec avformat swscale"
1613 avconv_select="buffer_filter"
1614 ffplay_deps="avcodec avformat swscale sdl"
1615 ffplay_select="buffersink_filter rdft"
1616 ffprobe_deps="avcodec avformat"
1617 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1618 ffserver_extralibs='$ldl'
1619
1620 doc_deps="texi2html"
1621
1622 # tests
1623
1624 test_deps(){
1625     suf1=$1
1626     suf2=$2
1627     shift 2
1628     for v; do
1629         dep=${v%=*}
1630         tests=${v#*=}
1631         for name in ${tests}; do
1632             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1633         done
1634     done
1635 }
1636
1637 mxf_d10_test_deps="avfilter"
1638 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1639
1640 test_deps _encoder _decoder                                             \
1641     adpcm_g726=g726                                                     \
1642     adpcm_ima_qt                                                        \
1643     adpcm_ima_wav                                                       \
1644     adpcm_ms                                                            \
1645     adpcm_swf                                                           \
1646     adpcm_yamaha=adpcm_yam                                              \
1647     alac                                                                \
1648     asv1                                                                \
1649     asv2                                                                \
1650     bmp                                                                 \
1651     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1652     dvvideo="dv dv50"                                                   \
1653     ffv1                                                                \
1654     flac                                                                \
1655     flashsv                                                             \
1656     flv                                                                 \
1657     gif                                                                 \
1658     h261                                                                \
1659     h263="h263 h263p"                                                   \
1660     huffyuv                                                             \
1661     jpegls                                                              \
1662     mjpeg="jpg mjpeg ljpeg"                                             \
1663     mp2                                                                 \
1664     mpeg1video="mpeg mpeg1b"                                            \
1665     mpeg2video="mpeg2 mpeg2thread"                                      \
1666     mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1667     msmpeg4v3=msmpeg4                                                   \
1668     msmpeg4v2                                                           \
1669     pbm=pbmpipe                                                         \
1670     pcx                                                                 \
1671     pgm="pgm pgmpipe"                                                   \
1672     png                                                                 \
1673     ppm="ppm ppmpipe"                                                   \
1674     rawvideo="rgb yuv"                                                  \
1675     roq                                                                 \
1676     rv10                                                                \
1677     rv20                                                                \
1678     sgi                                                                 \
1679     snow="snow snowll"                                                  \
1680     svq1                                                                \
1681     targa=tga                                                           \
1682     tiff                                                                \
1683     wmav1                                                               \
1684     wmav2                                                               \
1685     wmv1                                                                \
1686     wmv2                                                                \
1687
1688 test_deps _muxer _demuxer                                               \
1689     aiff                                                                \
1690     pcm_alaw=alaw                                                       \
1691     asf                                                                 \
1692     au                                                                  \
1693     avi                                                                 \
1694     dv=dv_fmt                                                           \
1695     ffm                                                                 \
1696     flv=flv_fmt                                                         \
1697     gxf                                                                 \
1698     matroska=mkv                                                        \
1699     mmf                                                                 \
1700     mov                                                                 \
1701     pcm_mulaw=mulaw                                                     \
1702     mxf="mxf mxf_d10"                                                   \
1703     nut                                                                 \
1704     ogg                                                                 \
1705     rawvideo=pixfmt                                                     \
1706     rm                                                                  \
1707     swf                                                                 \
1708     mpegts=ts                                                           \
1709     voc                                                                 \
1710     wav                                                                 \
1711     yuv4mpegpipe=yuv4mpeg                                               \
1712
1713 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1714 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1715
1716 # default parameters
1717
1718 logfile="config.log"
1719
1720 # installation paths
1721 prefix_default="/usr/local"
1722 bindir_default='${prefix}/bin'
1723 datadir_default='${prefix}/share/ffmpeg'
1724 incdir_default='${prefix}/include'
1725 libdir_default='${prefix}/lib'
1726 mandir_default='${prefix}/share/man'
1727 shlibdir_default="$libdir_default"
1728
1729 # toolchain
1730 ar_default="ar"
1731 cc_default="gcc"
1732 cxx_default="g++"
1733 cc_version=\"unknown\"
1734 host_cc_default="gcc"
1735 install="install"
1736 ln_s="ln -sf"
1737 nm_default="nm"
1738 objformat="elf"
1739 pkg_config_default=pkg-config
1740 ranlib="ranlib"
1741 strip_default="strip"
1742 yasmexe="yasm"
1743 nogas=":"
1744
1745 nm_opts='-g'
1746
1747 # machine
1748 arch_default=$(uname -m)
1749 cpu="generic"
1750
1751 # OS
1752 target_os_default=$(tolower $(uname -s))
1753 host_os=$target_os_default
1754
1755 # configurable options
1756 enable avcodec
1757 enable avdevice
1758 enable avfilter
1759 enable avformat
1760 enable avutil
1761 enable asm
1762 enable debug
1763 enable doc
1764 enable fastdiv
1765 enable ffmpeg
1766 enable avconv
1767 enable ffplay
1768 enable ffprobe
1769 enable ffserver
1770 enable network
1771 enable optimizations
1772 enable postproc
1773 enable protocols
1774 enable static
1775 enable stripping
1776 enable swresample
1777 enable swscale
1778 enable swscale_alpha
1779
1780 # build settings
1781 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1782 FFSERVERLDFLAGS=-Wl,-E
1783 LIBPREF="lib"
1784 LIBSUF=".a"
1785 FULLNAME='$(NAME)$(BUILDSUF)'
1786 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1787 SLIBPREF="lib"
1788 SLIBSUF=".so"
1789 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1790 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1791 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1792 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1793 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1794 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1795
1796 AS_O='-o $@'
1797 CC_O='-o $@'
1798 CXX_O='-o $@'
1799
1800 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1801 host_libs='-lm'
1802
1803 target_path='$(CURDIR)'
1804
1805 # since the object filename is not given with the -MM flag, the compiler
1806 # is only able to print the basename, and we must add the path ourselves
1807 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1808 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1809
1810 # find source path
1811 if test -f configure; then
1812     source_path=.
1813 else
1814     source_path=$(cd $(dirname "$0"); pwd)
1815     echo "$source_path" | grep -q '[[:blank:]]' &&
1816         die "Out of tree builds are impossible with whitespace in source path."
1817     test -e "$source_path/config.h" &&
1818         die "Out of tree builds are impossible with config.h in source dir."
1819 fi
1820
1821 for v in "$@"; do
1822     r=${v#*=}
1823     l=${v%"$r"}
1824     r=$(sh_quote "$r")
1825     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1826 done
1827
1828 find_things(){
1829     thing=$1
1830     pattern=$2
1831     file=$source_path/$3
1832     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1833 }
1834
1835 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1836 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1837 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1838 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1839 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1840 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1841 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1842 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1843 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1844 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1845 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1846
1847 find_tests(){
1848     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1849 }
1850
1851 ACODEC_TESTS=$(find_tests acodec)
1852 VCODEC_TESTS=$(find_tests vsynth1)
1853 LAVF_TESTS=$(find_tests lavf)
1854 LAVFI_TESTS=$(find_tests lavfi)
1855 SEEK_TESTS=$(find_tests seek seek_)
1856
1857 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1858
1859 for n in $COMPONENT_LIST; do
1860     v=$(toupper ${n%s})_LIST
1861     eval enable \$$v
1862     eval ${n}_if_any="\$$v"
1863 done
1864
1865 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1866
1867 die_unknown(){
1868     echo "Unknown option \"$1\"."
1869     echo "See $0 --help for available options."
1870     exit 1
1871 }
1872
1873 show_list() {
1874     suffix=_$1
1875     shift
1876     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1877     exit 0
1878 }
1879
1880 for opt do
1881     optval="${opt#*=}"
1882     case "$opt" in
1883     --extra-ldflags=*) add_ldflags $optval
1884     ;;
1885     --extra-libs=*) add_extralibs $optval
1886     ;;
1887     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1888     ;;
1889     --enable-debug=*) debuglevel="$optval"
1890     ;;
1891     --disable-everything)
1892     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1893     ;;
1894     --enable-*=*|--disable-*=*)
1895     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1896     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1897     eval list=\$$(toupper $thing)_LIST
1898     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1899     $action $(filter "$name" $list)
1900     ;;
1901     --enable-?*|--disable-?*)
1902     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1903     if is_in $option $COMPONENT_LIST; then
1904         test $action = disable && action=unset
1905         eval $action \$$(toupper ${option%s})_LIST
1906     elif is_in $option $CMDLINE_SELECT; then
1907         $action $option
1908     else
1909         die_unknown $opt
1910     fi
1911     ;;
1912     --list-*)
1913         NAME="${opt#--list-}"
1914         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1915         NAME=${NAME%s}
1916         eval show_list $NAME \$$(toupper $NAME)_LIST
1917     ;;
1918     --help|-h) show_help
1919     ;;
1920     *)
1921     optname="${opt%%=*}"
1922     optname="${optname#--}"
1923     optname=$(echo "$optname" | sed 's/-/_/g')
1924     if is_in $optname $CMDLINE_SET; then
1925         eval $optname='$optval'
1926     elif is_in $optname $CMDLINE_APPEND; then
1927         append $optname "$optval"
1928     else
1929          die_unknown $opt
1930     fi
1931     ;;
1932     esac
1933 done
1934
1935 disabled logging && logfile=/dev/null
1936
1937 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1938 set >> $logfile
1939
1940 test -n "$cross_prefix" && enable cross_compile
1941
1942 if enabled cross_compile; then
1943     test -n "$arch" && test -n "$target_os" ||
1944         die "Must specify target arch and OS when cross-compiling"
1945 fi
1946
1947 set_default arch target_os
1948
1949 ar_default="${cross_prefix}${ar_default}"
1950 cc_default="${cross_prefix}${cc_default}"
1951 cxx_default="${cross_prefix}${cxx_default}"
1952 nm_default="${cross_prefix}${nm_default}"
1953 pkg_config_default="${cross_prefix}${pkg_config_default}"
1954 ranlib="${cross_prefix}${ranlib}"
1955 strip_default="${cross_prefix}${strip_default}"
1956
1957 sysinclude_default="${sysroot}/usr/include"
1958
1959 set_default cc cxx nm pkg_config strip sysinclude
1960 enabled cross_compile || host_cc_default=$cc
1961 set_default host_cc
1962
1963 if ! $pkg_config --version >/dev/null 2>&1; then
1964     warn "$pkg_config not found, library detection may fail."
1965     pkg_config=false
1966 fi
1967
1968 exesuf() {
1969     case $1 in
1970         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1971     esac
1972 }
1973
1974 EXESUF=$(exesuf $target_os)
1975 HOSTEXESUF=$(exesuf $host_os)
1976
1977 # set temporary file name
1978 : ${TMPDIR:=$TEMPDIR}
1979 : ${TMPDIR:=$TMP}
1980 : ${TMPDIR:=/tmp}
1981
1982 if ! check_cmd mktemp -u XXXXXX; then
1983     # simple replacement for missing mktemp
1984     # NOT SAFE FOR GENERAL USE
1985     mktemp(){
1986         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1987     }
1988 fi
1989
1990 tmpfile(){
1991     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1992         (set -C; exec > $tmp) 2>/dev/null ||
1993         die "Unable to create temporary file in $TMPDIR."
1994     append TMPFILES $tmp
1995     eval $1=$tmp
1996 }
1997
1998 trap 'rm -f -- $TMPFILES' EXIT
1999
2000 tmpfile TMPC  .c
2001 tmpfile TMPCPP .cpp
2002 tmpfile TMPE  $EXESUF
2003 tmpfile TMPH  .h
2004 tmpfile TMPO  .o
2005 tmpfile TMPS  .S
2006 tmpfile TMPV  .ver
2007 tmpfile TMPSH .sh
2008 tmpfile TMPASM .asm
2009
2010 unset -f mktemp
2011
2012 chmod +x $TMPE
2013
2014 # make sure we can execute files in $TMPDIR
2015 cat > $TMPSH 2>> $logfile <<EOF
2016 #! /bin/sh
2017 EOF
2018 chmod +x $TMPSH >> $logfile 2>&1
2019 if ! $TMPSH >> $logfile 2>&1; then
2020     cat <<EOF
2021 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2022 variable to another directory and make sure that it is not mounted noexec.
2023 EOF
2024     die "Sanity test failed."
2025 fi
2026
2027 filter_cflags=echo
2028 filter_cppflags=echo
2029 filter_asflags=echo
2030
2031 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2032     cc_type=llvm_gcc
2033     cc_version=__VERSION__
2034     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2035     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2036     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2037     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2038     speed_cflags='-O3'
2039     size_cflags='-Os'
2040 elif $cc -v 2>&1 | grep -qi ^gcc; then
2041     cc_type=gcc
2042     cc_version=__VERSION__
2043     gcc_version=$($cc --version | head -n1)
2044     gcc_basever=$($cc -dumpversion)
2045     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2046     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2047     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2048     if ! $cc -dumpversion | grep -q '^2\.'; then
2049         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2050         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2051     fi
2052     speed_cflags='-O3'
2053     size_cflags='-Os'
2054 elif $cc --version 2>/dev/null | grep -q Intel; then
2055     cc_type=icc
2056     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2057     cc_ident=$($cc --version | head -n1)
2058     icc_version=$($cc -dumpversion)
2059     CC_DEPFLAGS='-MMD'
2060     AS_DEPFLAGS='-MMD'
2061     speed_cflags='-O3'
2062     size_cflags='-Os'
2063     noopt_cflags='-O1'
2064 elif $cc -v 2>&1 | grep -q xlc; then
2065     cc_type=xlc
2066     cc_version="AV_STRINGIFY(__IBMC__)"
2067     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2068     speed_cflags='-O5'
2069     size_cflags='-O5 -qcompact'
2070 elif $cc -V 2>/dev/null | grep -q Compaq; then
2071     cc_type=ccc
2072     cc_version="AV_STRINGIFY(__DECC_VER)"
2073     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2074     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2075     debuglevel=3
2076     add_ldflags -Wl,-z,now # calls to libots crash without this
2077     speed_cflags='-fast'
2078     size_cflags='-O1'
2079 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2080     test -d "$sysroot" || die "No valid sysroot specified."
2081     cc_type=armcc
2082     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2083     cc_ident=$($cc --vsn | head -n1)
2084     armcc_conf="$PWD/armcc.conf"
2085     $cc --arm_linux_configure                 \
2086         --arm_linux_config_file="$armcc_conf" \
2087         --configure_sysroot="$sysroot"        \
2088         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2089         die "Error creating armcc configuration file."
2090     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2091     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2092     as_default="${cross_prefix}gcc"
2093     CC_DEPFLAGS='-MMD'
2094     AS_DEPFLAGS='-MMD'
2095     speed_cflags='-O3'
2096     size_cflags='-Os'
2097     filter_asflags="filter_out -W${armcc_opt}*"
2098 elif $cc -version 2>/dev/null | grep -q TMS470; then
2099     cc_type=tms470
2100     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2101     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2102     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2103     CC_O='-fr=$(@D)'
2104     as_default="${cross_prefix}gcc"
2105     ld_default="${cross_prefix}gcc"
2106     TMPO=$(basename $TMPC .c).o
2107     append TMPFILES $TMPO
2108     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2109     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2110     AS_DEPFLAGS='-MMD'
2111     speed_cflags='-O3 -mf=5'
2112     size_cflags='-O3 -mf=2'
2113     filter_cflags=tms470_flags
2114     tms470_flags(){
2115         for flag; do
2116             case $flag in
2117                 -march=*|-mcpu=*)
2118                     case "${flag#*=}" in
2119                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2120                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2121                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2122                         armv6*|arm11*)          echo -mv=6   ;;
2123                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2124                                                 echo -mv=5e  ;;
2125                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2126                     esac
2127                     ;;
2128                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2129                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2130                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2131                 -msoft-float)   echo --float_support=vfplib       ;;
2132                 -O[0-3]|-mf=*)  echo $flag                        ;;
2133                 -g)             echo -g -mn                       ;;
2134                 -pds=*)         echo $flag                        ;;
2135             esac
2136         done
2137     }
2138 elif $cc -v 2>&1 | grep -q clang; then
2139     cc_type=clang
2140     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2141         cc_version=__clang_version__ || cc_version=__VERSION__
2142     cc_ident=$($cc --version | head -n1)
2143     CC_DEPFLAGS='-MMD'
2144     AS_DEPFLAGS='-MMD'
2145     speed_cflags='-O3'
2146     size_cflags='-Os'
2147 elif $cc -V 2>&1 | grep -q Sun; then
2148     cc_type=suncc
2149     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2150     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2151     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2152     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2153     add_ldflags -xc99
2154     speed_cflags='-O5'
2155     size_cflags='-O5 -xspace'
2156     filter_cflags=suncc_flags
2157     suncc_flags(){
2158         for flag; do
2159             case $flag in
2160                 -march=*|-mcpu=*)
2161                     case "${flag#*=}" in
2162                         native)                   echo -xtarget=native       ;;
2163                         v9|niagara)               echo -xarch=sparc          ;;
2164                         ultrasparc)               echo -xarch=sparcvis       ;;
2165                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2166                         i586|pentium)             echo -xchip=pentium        ;;
2167                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2168                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2169                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2170                         pentium4*)          echo -xtarget=pentium4           ;;
2171                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2172                         *-sse3)             echo -xarch=sse3                 ;;
2173                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2174                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2175                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2176                         k8|opteron|athlon64|athlon-fx)
2177                                                   echo -xarch=sse2a          ;;
2178                         athlon*)                  echo -xarch=pentium_proa   ;;
2179                     esac
2180                     ;;
2181                 -std=c99)             echo -xc99              ;;
2182                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2183                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2184                 -W*,*)                echo $flag              ;;
2185                 -f*-*|-W*)                                    ;;
2186                 *)                    echo $flag              ;;
2187             esac
2188         done
2189     }
2190 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2191     cc_type=pathscale
2192     cc_version=__PATHSCALE__
2193     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2194     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2195     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2196     speed_cflags='-O2'
2197     size_cflags='-Os'
2198     filter_cflags='filter_out -Wdisabled-optimization'
2199 elif $cc -v 2>&1 | grep -q Open64; then
2200     cc_type=open64
2201     cc_version=__OPEN64__
2202     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2203     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2204     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2205     speed_cflags='-O2'
2206     size_cflags='-Os'
2207     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2208 fi
2209
2210 test -n "$cc_type" && enable $cc_type ||
2211     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2212
2213 : ${as_default:=$cc}
2214 : ${dep_cc_default:=$cc}
2215 : ${ld_default:=$cc}
2216 set_default ar as dep_cc ld
2217
2218 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2219 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2220 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2221
2222 add_cflags $extra_cflags
2223 add_cxxflags $extra_cxxflags
2224 add_asflags $extra_cflags
2225
2226 if test -n "$sysroot"; then
2227     case "$cc_type" in
2228         gcc|llvm_gcc|clang)
2229             add_cppflags --sysroot="$sysroot"
2230             add_ldflags --sysroot="$sysroot"
2231         ;;
2232         tms470)
2233             add_cppflags -I"$sysinclude"
2234             add_ldflags  --sysroot="$sysroot"
2235         ;;
2236     esac
2237 fi
2238
2239 if test "$cpu" = host; then
2240     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2241
2242     case "$cc_type" in
2243         gcc|llvm_gcc)
2244             check_native(){
2245                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2246                 sed -n "/cc1.*$1=/{
2247                             s/.*$1=\\([^ ]*\\).*/\\1/
2248                             p
2249                             q
2250                         }" $TMPE
2251             }
2252             cpu=$(check_native -march || check_native -mcpu)
2253         ;;
2254     esac
2255
2256     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2257 fi
2258
2259 # Deal with common $arch aliases
2260 case "$arch" in
2261     arm*)
2262         arch="arm"
2263     ;;
2264     mips|mipsel|IP*)
2265         arch="mips"
2266     ;;
2267     mips64*)
2268         arch="mips"
2269         subarch="mips64"
2270     ;;
2271     parisc|hppa)
2272         arch="parisc"
2273     ;;
2274     parisc64|hppa64)
2275         arch="parisc"
2276         subarch="parisc64"
2277     ;;
2278     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2279         arch="ppc"
2280     ;;
2281     s390|s390x)
2282         arch="s390"
2283     ;;
2284     sh4|sh)
2285         arch="sh4"
2286     ;;
2287     sun4u|sparc64)
2288         arch="sparc"
2289         subarch="sparc64"
2290     ;;
2291     i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2292         arch="x86"
2293     ;;
2294 esac
2295
2296 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2297 enable $arch
2298
2299 # Add processor-specific flags
2300 if test "$cpu" = generic; then
2301     : do nothing
2302 elif enabled ppc; then
2303
2304     case $(tolower $cpu) in
2305         601|ppc601|powerpc601)
2306             cpuflags="-mcpu=601"
2307             disable altivec
2308         ;;
2309         603*|ppc603*|powerpc603*)
2310             cpuflags="-mcpu=603"
2311             disable altivec
2312         ;;
2313         604*|ppc604*|powerpc604*)
2314             cpuflags="-mcpu=604"
2315             disable altivec
2316         ;;
2317         g3|75*|ppc75*|powerpc75*)
2318             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2319             disable altivec
2320         ;;
2321         g4|745*|ppc745*|powerpc745*)
2322             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2323         ;;
2324         74*|ppc74*|powerpc74*)
2325             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2326         ;;
2327         g5|970|ppc970|powerpc970|power4*)
2328             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2329         ;;
2330         cell)
2331             cpuflags="-mcpu=cell"
2332             enable ldbrx
2333         ;;
2334         e500v2)
2335             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2336             disable altivec
2337         ;;
2338         e500)
2339             cpuflags="-mcpu=8540 -mhard-float"
2340             disable altivec
2341         ;;
2342     esac
2343
2344 elif enabled x86; then
2345
2346     case $cpu in
2347         i[345]86|pentium)
2348             cpuflags="-march=$cpu"
2349             disable mmx
2350         ;;
2351         # targets that do NOT support conditional mov (cmov)
2352         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2353             cpuflags="-march=$cpu"
2354             disable cmov
2355         ;;
2356         # targets that do support conditional mov (cmov)
2357         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2358             cpuflags="-march=$cpu"
2359             enable cmov
2360             enable fast_cmov
2361         ;;
2362         # targets that do support conditional mov but on which it's slow
2363         pentium4|pentium4m|prescott|nocona)
2364             cpuflags="-march=$cpu"
2365             enable cmov
2366             disable fast_cmov
2367         ;;
2368     esac
2369
2370 elif enabled sparc; then
2371
2372     case $cpu in
2373         niagara)
2374             cpuflags="-mcpu=$cpu"
2375             disable vis
2376         ;;
2377         sparc64)
2378             cpuflags="-mcpu=v9"
2379         ;;
2380     esac
2381
2382 elif enabled arm; then
2383
2384     case $cpu in
2385         armv*)
2386             cpuflags="-march=$cpu"
2387             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2388         ;;
2389         *)
2390             cpuflags="-mcpu=$cpu"
2391             case $cpu in
2392                 cortex-a*)                               subarch=armv7a  ;;
2393                 cortex-r*)                               subarch=armv7r  ;;
2394                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2395                 arm11*)                                  subarch=armv6   ;;
2396                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2397                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2398             esac
2399         ;;
2400     esac
2401
2402 elif enabled alpha; then
2403
2404     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2405
2406 elif enabled bfin; then
2407
2408     cpuflags="-mcpu=$cpu"
2409
2410 elif enabled mips; then
2411
2412     cpuflags="-march=$cpu"
2413
2414 elif enabled avr32; then
2415
2416     case $cpu in
2417         ap7[02]0[0-2])
2418             subarch="avr32_ap"
2419             cpuflags="-mpart=$cpu"
2420         ;;
2421         ap)
2422             subarch="avr32_ap"
2423             cpuflags="-march=$cpu"
2424         ;;
2425         uc3[ab]*)
2426             subarch="avr32_uc"
2427             cpuflags="-mcpu=$cpu"
2428         ;;
2429         uc)
2430             subarch="avr32_uc"
2431             cpuflags="-march=$cpu"
2432         ;;
2433     esac
2434
2435 fi
2436
2437 add_cflags $cpuflags
2438 add_asflags $cpuflags
2439
2440 # compiler sanity check
2441 check_exec <<EOF
2442 int main(void){ return 0; }
2443 EOF
2444 if test "$?" != 0; then
2445     echo "$cc is unable to create an executable file."
2446     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2447         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2448         echo "Only do this if you know what cross compiling means."
2449     fi
2450     die "C compiler test failed."
2451 fi
2452
2453 add_cppflags -D_ISOC99_SOURCE
2454 add_cxxflags -D__STDC_CONSTANT_MACROS
2455 check_cflags -std=c99
2456 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2457 #include <stdlib.h>
2458 EOF
2459 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2460 #include <stdlib.h>
2461 EOF
2462
2463 check_host_cflags -std=c99
2464 check_host_cflags -Wall
2465
2466 case "$arch" in
2467     alpha|ia64|mips|parisc|sparc)
2468         spic=$shared
2469     ;;
2470     x86)
2471         subarch="x86_32"
2472         check_cc <<EOF && subarch="x86_64"
2473         int test[(int)sizeof(char*) - 7];
2474 EOF
2475         if test "$subarch" = "x86_64"; then
2476             spic=$shared
2477         fi
2478     ;;
2479     ppc)
2480         check_cc <<EOF && subarch="ppc64"
2481         int test[(int)sizeof(char*) - 7];
2482 EOF
2483     ;;
2484 esac
2485
2486 enable $subarch
2487 enabled spic && enable pic
2488
2489 # OS specific
2490 case $target_os in
2491     haiku)
2492         prefix_default="/boot/common"
2493         network_extralibs="-lnetwork"
2494         host_libs=
2495         ;;
2496     sunos)
2497         FFSERVERLDFLAGS=""
2498         SHFLAGS='-shared -Wl,-h,$$(@F)'
2499         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2500         network_extralibs="-lsocket -lnsl"
2501         add_cppflags -D__EXTENSIONS__
2502         # When using suncc to build, the Solaris linker will mark
2503         # an executable with each instruction set encountered by
2504         # the Solaris assembler.  As our libraries contain their own
2505         # guards for processor-specific code, instead suppress
2506         # generation of the HWCAPS ELF section on Solaris x86 only.
2507         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2508         nm_opts='-P -g'
2509         ;;
2510     netbsd)
2511         disable symver
2512         oss_indev_extralibs="-lossaudio"
2513         oss_outdev_extralibs="-lossaudio"
2514         ;;
2515     openbsd)
2516         enable malloc_aligned
2517         # On OpenBSD 4.5. the compiler does not use PIC unless
2518         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2519         # however the generated executable will not do anything
2520         # (simply quits with exit-code 1, no crash, no output).
2521         # Thus explicitly enable PIC here.
2522         enable pic
2523         disable symver
2524         SHFLAGS='-shared'
2525         oss_indev_extralibs="-lossaudio"
2526         oss_outdev_extralibs="-lossaudio"
2527         ;;
2528     dragonfly)
2529         enable malloc_aligned
2530         disable symver
2531         ;;
2532     freebsd)
2533         enable malloc_aligned
2534         ;;
2535     bsd/os)
2536         add_extralibs -lpoll -lgnugetopt
2537         strip="strip -d"
2538         ;;
2539     darwin)
2540         enable malloc_aligned
2541         gas="gas-preprocessor.pl $cc"
2542         enabled ppc && add_asflags -force_cpusubtype_ALL
2543         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2544         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2545         strip="${strip} -x"
2546         add_ldflags -Wl,-dynamic,-search_paths_first
2547         SLIBSUF=".dylib"
2548         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2549         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2550         FFSERVERLDFLAGS=-Wl,-bind_at_load
2551         objformat="macho"
2552         enabled x86_64 && objformat="macho64"
2553         enabled_any pic shared ||
2554             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2555         ;;
2556     mingw32*)
2557         if test $target_os = "mingw32ce"; then
2558             disable network
2559         else
2560             target_os=mingw32
2561         fi
2562         LIBTARGET=i386
2563         if enabled x86_64; then
2564             enable malloc_aligned
2565             LIBTARGET=x64
2566         elif enabled arm; then
2567             LIBTARGET=arm-wince
2568         fi
2569         shlibdir_default="$bindir_default"
2570         SLIBPREF=""
2571         SLIBSUF=".dll"
2572         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2573         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2574         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2575         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2576         SLIB_INSTALL_LINKS=
2577         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2578         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2579         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'
2580         objformat="win32"
2581         enable dos_paths
2582         check_cflags -fno-common
2583         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2584                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2585                 die "ERROR: MinGW runtime version must be >= 3.15."
2586         add_cppflags -U__STRICT_ANSI__
2587         ;;
2588     cygwin*)
2589         target_os=cygwin
2590         shlibdir_default="$bindir_default"
2591         SLIBPREF="cyg"
2592         SLIBSUF=".dll"
2593         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2594         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2595         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2596         objformat="win32"
2597         enable dos_paths
2598         check_cflags -fno-common
2599         add_cppflags -U__STRICT_ANSI__
2600         ;;
2601     *-dos|freedos|opendos)
2602         network_extralibs="-lsocket"
2603         objformat="coff"
2604         enable dos_paths
2605         add_cppflags -U__STRICT_ANSI__
2606         ;;
2607     linux)
2608         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2609         enable dv1394
2610         ;;
2611     irix*)
2612         target_os=irix
2613         ranlib="echo ignoring ranlib"
2614         ;;
2615     os/2*)
2616         strip="lxlite -CS"
2617         ln_s="cp -f"
2618         objformat="aout"
2619         add_cppflags -D_GNU_SOURCE
2620         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2621         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2622         FFSERVERLDFLAGS=""
2623         LIBSUF="_s.a"
2624         SLIBPREF=""
2625         SLIBSUF=".dll"
2626         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2627         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2628         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2629           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2630           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2631           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2632           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2633           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2634         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2635           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2636         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2637         enable dos_paths
2638         ;;
2639     gnu/kfreebsd)
2640         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2641         ;;
2642     gnu)
2643         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2644         ;;
2645     qnx)
2646         add_cppflags -D_QNX_SOURCE
2647         network_extralibs="-lsocket"
2648         ;;
2649     symbian)
2650         SLIBSUF=".dll"
2651         enable dos_paths
2652         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2653         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2654         add_ldflags -Wl,--target1-abs,--no-undefined \
2655                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2656                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2657         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2658                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2659                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2660         ;;
2661     none)
2662         ;;
2663     *)
2664         die "Unknown OS '$target_os'."
2665         ;;
2666 esac
2667
2668 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2669
2670 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2671
2672 set_default $PATHS_LIST
2673
2674 # we need to build at least one lib type
2675 if ! enabled_any static shared; then
2676     cat <<EOF
2677 At least one library type must be built.
2678 Specify --enable-static to build the static libraries or --enable-shared to
2679 build the shared libraries as well. To only build the shared libraries specify
2680 --disable-static in addition to --enable-shared.
2681 EOF
2682     exit 1;
2683 fi
2684
2685 die_license_disabled() {
2686     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2687 }
2688
2689 die_license_disabled gpl libcdio
2690 die_license_disabled gpl libx264
2691 die_license_disabled gpl libxavs
2692 die_license_disabled gpl libxvid
2693 die_license_disabled gpl x11grab
2694
2695 die_license_disabled nonfree libaacplus
2696 die_license_disabled nonfree libfaac
2697
2698 die_license_disabled version3 libopencore_amrnb
2699 die_license_disabled version3 libopencore_amrwb
2700 die_license_disabled version3 libvo_aacenc
2701 die_license_disabled version3 libvo_amrwbenc
2702
2703 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2704
2705 disabled optimizations || check_cflags -fomit-frame-pointer
2706
2707 enable_pic() {
2708     enable pic
2709     add_cppflags -DPIC
2710     add_cflags   -fPIC
2711     add_asflags  -fPIC
2712 }
2713
2714 enabled pic && enable_pic
2715
2716 check_cc <<EOF || die "Symbol mangling check failed."
2717 int ff_extern;
2718 EOF
2719 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2720 extern_prefix=${sym%%ff_extern*}
2721
2722 check_cc <<EOF && enable inline_asm
2723 void foo(void) { __asm__ volatile ("" ::); }
2724 EOF
2725
2726 _restrict=
2727 for restrict_keyword in restrict __restrict__ __restrict; do
2728     check_cc <<EOF && _restrict=$restrict_keyword && break
2729 void foo(char * $restrict_keyword p);
2730 EOF
2731 done
2732
2733 check_cc <<EOF && enable attribute_packed
2734 struct { int x; } __attribute__((packed)) x;
2735 EOF
2736
2737 check_cc <<EOF && enable attribute_may_alias
2738 union { int x; } __attribute__((may_alias)) x;
2739 EOF
2740
2741 check_cc <<EOF || die "endian test failed"
2742 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2743 EOF
2744 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2745
2746 if enabled alpha; then
2747
2748     check_cflags -mieee
2749
2750 elif enabled arm; then
2751
2752     enabled thumb && check_cflags -mthumb || check_cflags -marm
2753     nogas=die
2754
2755     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2756         enable vfp_args
2757     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2758         case "${cross_prefix:-$cc}" in
2759             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2760             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2761 __asm__ (".eabi_attribute 28, 1");
2762 int main(void) { return 0; }
2763 EOF
2764         esac
2765         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2766     fi
2767
2768     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2769     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2770     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2771     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2772     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2773     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2774     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2775
2776     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2777
2778     enabled_all armv6t2 shared !pic && enable_pic
2779
2780 elif enabled mips; then
2781
2782     check_asm loongson '"dmult.g $1, $2, $3"'
2783     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2784
2785 elif enabled ppc; then
2786
2787     enable local_aligned_8 local_aligned_16
2788
2789     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2790     check_asm ibm_asm   '"add 0, 0, 0"'
2791     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2792     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2793
2794     # AltiVec flags: The FSF version of GCC differs from the Apple version
2795     if enabled altivec; then
2796         nogas=warn
2797         check_cflags -maltivec -mabi=altivec &&
2798         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2799         check_cflags -faltivec
2800
2801         # check if our compiler supports Motorola AltiVec C API
2802         check_cc <<EOF || disable altivec
2803 $inc_altivec_h
2804 int main(void) {
2805     vector signed int v1, v2, v3;
2806     v1 = vec_add(v2,v3);
2807     return 0;
2808 }
2809 EOF
2810
2811         # check if our compiler supports braces for vector declarations
2812         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2813 $inc_altivec_h
2814 int main (void) { (vector int) {1}; return 0; }
2815 EOF
2816     fi
2817
2818 elif enabled sparc; then
2819
2820     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2821         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2822
2823 elif enabled x86; then
2824
2825     enable local_aligned_8 local_aligned_16
2826
2827     # check whether EBP is available on x86
2828     # As 'i' is stored on the stack, this program will crash
2829     # if the base pointer is used to access it because the
2830     # base pointer is cleared in the inline assembly code.
2831     check_exec_crash <<EOF && enable ebp_available
2832     volatile int i=0;
2833     __asm__ volatile (
2834         "xorl %%ebp, %%ebp"
2835     ::: "%ebp");
2836     return i;
2837 EOF
2838
2839     # check whether EBX is available on x86
2840     check_asm ebx_available '""::"b"(0)' &&
2841         check_asm ebx_available '"":::"%ebx"'
2842
2843     # check whether xmm clobbers are supported
2844     check_asm xmm_clobbers '"":::"%xmm0"'
2845
2846     # check whether binutils is new enough to compile SSSE3/MMX2
2847     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2848     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2849
2850     check_asm bswap '"bswap %%eax" ::: "%eax"'
2851
2852     if ! disabled_any asm mmx yasm; then
2853         if check_cmd $yasmexe --version; then
2854             enabled x86_64 && yasm_extra="-m amd64"
2855             yasm_debug="-g dwarf2"
2856         elif check_cmd nasm -v; then
2857             yasmexe=nasm
2858             yasm_debug="-g -F dwarf"
2859             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2860         fi
2861
2862         YASMFLAGS="-f $objformat $yasm_extra"
2863         enabled pic               && append YASMFLAGS "-DPIC"
2864         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2865         case "$objformat" in
2866             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2867         esac
2868
2869         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2870             die "yasm not found, use --disable-yasm for a crippled build"
2871         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2872     fi
2873
2874     case "$cpu" in
2875         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2876             disable fast_clz
2877         ;;
2878     esac
2879
2880 fi
2881
2882 if enabled asm; then
2883     as=${gas:=$as}
2884     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2885         $nogas "GNU assembler not found, install gas-preprocessor"
2886 fi
2887
2888 check_ldflags -Wl,--as-needed
2889
2890 if check_func dlopen; then
2891     ldl=
2892 elif check_func dlopen -ldl; then
2893     ldl=-ldl
2894 fi
2895
2896 if enabled network; then
2897     check_type "sys/types.h sys/socket.h" socklen_t
2898     check_type netdb.h "struct addrinfo"
2899     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2900     check_type netinet/in.h "struct sockaddr_in6"
2901     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2902     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2903     # Prefer arpa/inet.h over winsock2
2904     if check_header arpa/inet.h ; then
2905         check_func closesocket
2906     elif check_header winsock2.h ; then
2907         check_func_headers winsock2.h closesocket -lws2 && \
2908             network_extralibs="-lws2" || \
2909         { check_func_headers winsock2.h closesocket -lws2_32 && \
2910             network_extralibs="-lws2_32"; }
2911         check_type ws2tcpip.h socklen_t
2912         check_type ws2tcpip.h "struct addrinfo"
2913         check_type ws2tcpip.h "struct ipv6_mreq"
2914         check_type ws2tcpip.h "struct sockaddr_in6"
2915         check_type ws2tcpip.h "struct sockaddr_storage"
2916         check_struct winsock2.h "struct sockaddr" sa_len
2917     else
2918         disable network
2919     fi
2920 fi
2921
2922 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2923 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2924
2925 check_func  fcntl
2926 check_func  fork
2927 check_func  getaddrinfo $network_extralibs
2928 check_func  gethrtime
2929 check_func  getrusage
2930 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2931 check_func  inet_aton $network_extralibs
2932 check_func  isatty
2933 check_func  localtime_r
2934 check_func  ${malloc_prefix}memalign            && enable memalign
2935 check_func  mkstemp
2936 check_func  mmap
2937 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2938 check_func  setrlimit
2939 check_func  strerror_r
2940 check_func  strptime
2941 check_func_headers conio.h kbhit
2942 check_func_headers windows.h PeekNamedPipe
2943 check_func_headers io.h setmode
2944 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2945 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2946 check_func_headers windows.h GetProcessTimes
2947 check_func_headers windows.h MapViewOfFile
2948 check_func_headers windows.h VirtualAlloc
2949
2950 check_header dlfcn.h
2951 check_header dxva2api.h -D_WIN32_WINNT=0x0600
2952 check_header libcrystalhd/libcrystalhd_if.h
2953 check_header malloc.h
2954 check_header poll.h
2955 check_header sys/mman.h
2956 check_header sys/resource.h
2957 check_header sys/select.h
2958 check_header termios.h
2959 check_header vdpau/vdpau.h
2960 check_header vdpau/vdpau_x11.h
2961 check_header X11/extensions/XvMClib.h
2962
2963 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2964 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2965
2966 # check for some common methods of building with pthread support
2967 # do this before the optional library checks as some of them require pthreads
2968 if ! disabled pthreads && ! enabled w32threads; then
2969     enable pthreads
2970     if check_func pthread_create; then
2971         :
2972     elif check_func pthread_create -pthread; then
2973         add_cflags -pthread
2974         add_extralibs -pthread
2975     elif check_func pthread_create -pthreads; then
2976         add_cflags -pthreads
2977         add_extralibs -pthreads
2978     elif check_func pthread_create -lpthreadGC2; then
2979         add_extralibs -lpthreadGC2
2980     elif ! check_lib pthread.h pthread_create -lpthread; then
2981         disable pthreads
2982     fi
2983 fi
2984
2985 for thread in $THREADS_LIST; do
2986     if enabled $thread; then
2987         test -n "$thread_type" &&
2988             die "ERROR: Only one thread type must be selected." ||
2989             thread_type="$thread"
2990     fi
2991 done
2992
2993 check_lib math.h sin -lm && LIBM="-lm"
2994 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
2995 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2996
2997 check_mathfunc exp2
2998 check_mathfunc exp2f
2999 check_mathfunc llrint
3000 check_mathfunc llrintf
3001 check_mathfunc log2
3002 check_mathfunc log2f
3003 check_mathfunc lrint
3004 check_mathfunc lrintf
3005 check_mathfunc round
3006 check_mathfunc roundf
3007 check_mathfunc trunc
3008 check_mathfunc truncf
3009
3010 # these are off by default, so fail if requested and not available
3011 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3012 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0
3013 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3014 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3015 enabled libdc1394  && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
3016 enabled libdirac   && require_pkg_config dirac                          \
3017     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
3018     "dirac_decoder_init dirac_encoder_init"
3019 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3020 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3021 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3022 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3023 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3024 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3025 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3026 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3027 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3028 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3029 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3030 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3031 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3032 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3033     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3034     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3035 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3036 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3037 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3038 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3039 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3040 enabled libvpx     && {
3041     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3042                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3043     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3044                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3045 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3046                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3047                         die "ERROR: libx264 version must be >= 0.118."; }
3048 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3049 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3050 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3051                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3052                         die "ERROR: openal not found"; } &&
3053                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3054                         die "ERROR: openal version must be 1.1 or compatible"; }
3055 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
3056
3057 SDL_CONFIG="${cross_prefix}sdl-config"
3058 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3059     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3060     enable sdl &&
3061     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3062 else
3063   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3064     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3065     sdl_libs=$("${SDL_CONFIG}" --libs)
3066     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3067     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3068     enable sdl &&
3069     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3070   fi
3071 fi
3072 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3073
3074 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3075
3076 check_header linux/fb.h
3077 check_header linux/videodev.h
3078 check_header linux/videodev2.h
3079 check_header sys/videoio.h
3080
3081 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3082 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3083 # w32api 3.12 had it defined wrong
3084 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3085
3086 check_type "dshow.h" IBaseFilter
3087
3088 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3089 { check_header dev/bktr/ioctl_meteor.h &&
3090   check_header dev/bktr/ioctl_bt848.h; } ||
3091 { check_header machine/ioctl_meteor.h &&
3092   check_header machine/ioctl_bt848.h; } ||
3093 { check_header dev/video/meteor/ioctl_meteor.h &&
3094   check_header dev/video/bktr/ioctl_bt848.h; } ||
3095 check_header dev/ic/bt8xx.h
3096
3097 check_header sndio.h
3098 if check_struct sys/soundcard.h audio_buf_info bytes; then
3099     enable_safe sys/soundcard.h
3100 else
3101     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3102     #include <sys/soundcard.h>
3103     audio_buf_info abc;
3104 EOF
3105 fi
3106 check_header soundcard.h
3107
3108 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3109
3110 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3111
3112 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3113
3114 enabled libcdio &&
3115     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3116
3117 enabled x11grab                         &&
3118 check_header X11/Xlib.h                 &&
3119 check_header X11/extensions/XShm.h      &&
3120 check_header X11/extensions/Xfixes.h    &&
3121 check_func XOpenDisplay -lX11           &&
3122 check_func XShmCreateImage -lX11 -lXext &&
3123 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3124
3125 if ! disabled vaapi; then
3126     check_lib va/va.h vaInitialize -lva && {
3127         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3128         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3129     } || disable vaapi
3130 fi
3131
3132 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3133 check_cpp_condition \
3134     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3135     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3136       disable vdpau; }
3137 fi
3138
3139 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3140
3141 # add some useful compiler flags if supported
3142 check_cflags -Wdeclaration-after-statement
3143 check_cflags -Wall
3144 check_cflags -Wno-parentheses
3145 check_cflags -Wno-switch
3146 check_cflags -Wno-format-zero-length
3147 check_cflags -Wdisabled-optimization
3148 check_cflags -Wpointer-arith
3149 check_cflags -Wredundant-decls
3150 check_cflags -Wno-pointer-sign
3151 check_cflags -Wcast-qual
3152 check_cflags -Wwrite-strings
3153 check_cflags -Wtype-limits
3154 check_cflags -Wundef
3155 check_cflags -Wmissing-prototypes
3156 check_cflags -Wno-pointer-to-int-cast
3157 check_cflags -Wstrict-prototypes
3158 enabled extra_warnings && check_cflags -Winline
3159
3160 # add some linker flags
3161 check_ldflags -Wl,--warn-common
3162 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3163 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3164
3165 echo "X{};" > $TMPV
3166 if test_ldflags -Wl,--version-script,$TMPV; then
3167     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3168     check_cc <<EOF && enable symver_asm_label
3169 void ff_foo(void) __asm__ ("av_foo@VERSION");
3170 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3171 EOF
3172     check_cc <<EOF && enable symver_gnu_asm
3173 __asm__(".symver ff_foo,av_foo@VERSION");
3174 void ff_foo(void) {}
3175 EOF
3176 fi
3177
3178 if [ -n "$optflags" ]; then
3179     add_cflags $optflags
3180 elif enabled small; then
3181     add_cflags $size_cflags
3182 elif enabled optimizations; then
3183     add_cflags $speed_cflags
3184 else
3185     add_cflags $noopt_cflags
3186 fi
3187 check_cflags -fno-math-errno
3188 check_cflags -fno-signed-zeros
3189 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3190 int x;
3191 EOF
3192
3193
3194 if enabled icc; then
3195     # Just warnings, no remarks
3196     check_cflags -w1
3197     # -wd: Disable following warnings
3198     # 144, 167, 556: -Wno-pointer-sign
3199     # 1292: attribute "foo" ignored
3200     # 10006: ignoring unknown option -fno-signed-zeros
3201     # 10148: ignoring unknown option -Wno-parentheses
3202     # 10156: ignoring option '-W'; no argument required
3203     check_cflags -wd144,167,556,1292,10006,10148,10156
3204     # 11030: Warning unknown option --as-needed
3205     # 10156: ignoring option '-export'; no argument required
3206     check_ldflags -wd10156,11030
3207     # Allow to compile with optimizations
3208     check_ldflags -march=$cpu
3209     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3210     enable ebp_available
3211     if enabled x86_32; then
3212         test ${icc_version%%.*} -ge 11 && \
3213             check_cflags -falign-stack=maintain-16-byte || \
3214             disable aligned_stack
3215     fi
3216 elif enabled ccc; then
3217     # disable some annoying warnings
3218     add_cflags -msg_disable cvtu32to64
3219     add_cflags -msg_disable embedcomment
3220     add_cflags -msg_disable needconstext
3221     add_cflags -msg_disable nomainieee
3222     add_cflags -msg_disable ptrmismatch1
3223     add_cflags -msg_disable unreachcode
3224 elif enabled gcc; then
3225     check_cflags -fno-tree-vectorize
3226     check_cflags -Werror=implicit-function-declaration
3227     check_cflags -Werror=missing-prototypes
3228 elif enabled llvm_gcc; then
3229     check_cflags -mllvm -stack-alignment=16
3230 elif enabled clang; then
3231     check_cflags -mllvm -stack-alignment=16
3232     check_cflags -Qunused-arguments
3233 elif enabled armcc; then
3234     # 2523: use of inline assembler is deprecated
3235     add_cflags -W${armcc_opt},--diag_suppress=2523
3236     add_cflags -W${armcc_opt},--diag_suppress=1207
3237     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3238     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3239     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3240     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3241 elif enabled tms470; then
3242     add_cflags -pds=824 -pds=837
3243 elif enabled pathscale; then
3244     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3245 fi
3246
3247 enabled_any $THREADS_LIST      && enable threads
3248
3249 check_deps $CONFIG_LIST       \
3250            $CONFIG_EXTRA      \
3251            $HAVE_LIST         \
3252            $DECODER_LIST      \
3253            $ENCODER_LIST      \
3254            $HWACCEL_LIST      \
3255            $PARSER_LIST       \
3256            $BSF_LIST          \
3257            $DEMUXER_LIST      \
3258            $MUXER_LIST        \
3259            $FILTER_LIST       \
3260            $INDEV_LIST        \
3261            $OUTDEV_LIST       \
3262            $PROTOCOL_LIST     \
3263            $ACODEC_TESTS      \
3264            $VCODEC_TESTS      \
3265            $LAVF_TESTS        \
3266            $LAVFI_TESTS       \
3267            $SEEK_TESTS        \
3268
3269 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3270
3271 if test $target_os = "haiku"; then
3272     disable memalign
3273     disable posix_memalign
3274 fi
3275
3276 ! enabled_any memalign posix_memalign malloc_aligned &&
3277     enabled_any $need_memalign && enable memalign_hack
3278
3279 echo "install prefix            $prefix"
3280 echo "source path               $source_path"
3281 echo "C compiler                $cc"
3282 echo "ARCH                      $arch ($cpu)"
3283 if test "$build_suffix" != ""; then
3284     echo "build suffix              $build_suffix"
3285 fi
3286 if test "$progs_suffix" != ""; then
3287     echo "progs suffix              $progs_suffix"
3288 fi
3289 if test "$extra_version" != ""; then
3290     echo "version string suffix     $extra_version"
3291 fi
3292 echo "big-endian                ${bigendian-no}"
3293 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3294 if enabled x86; then
3295     echo "${yasmexe}                      ${yasm-no}"
3296     echo "MMX enabled               ${mmx-no}"
3297     echo "MMX2 enabled              ${mmx2-no}"
3298     echo "3DNow! enabled            ${amd3dnow-no}"
3299     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3300     echo "SSE enabled               ${sse-no}"
3301     echo "SSSE3 enabled             ${ssse3-no}"
3302     echo "AVX enabled               ${avx-no}"
3303     echo "CMOV enabled              ${cmov-no}"
3304     echo "CMOV is fast              ${fast_cmov-no}"
3305     echo "EBX available             ${ebx_available-no}"
3306     echo "EBP available             ${ebp_available-no}"
3307 fi
3308 if enabled arm; then
3309     echo "ARMv5TE enabled           ${armv5te-no}"
3310     echo "ARMv6 enabled             ${armv6-no}"
3311     echo "ARMv6T2 enabled           ${armv6t2-no}"
3312     echo "ARM VFP enabled           ${armvfp-no}"
3313     echo "IWMMXT enabled            ${iwmmxt-no}"
3314     echo "NEON enabled              ${neon-no}"
3315 fi
3316 if enabled mips; then
3317     echo "MMI enabled               ${mmi-no}"
3318 fi
3319 if enabled ppc; then
3320     echo "AltiVec enabled           ${altivec-no}"
3321     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3322     echo "dcbzl available           ${dcbzl-no}"
3323 fi
3324 if enabled sparc; then
3325     echo "VIS enabled               ${vis-no}"
3326 fi
3327 echo "debug symbols             ${debug-no}"
3328 echo "strip symbols             ${stripping-no}"
3329 echo "optimize for size         ${small-no}"
3330 echo "optimizations             ${optimizations-no}"
3331 echo "static                    ${static-no}"
3332 echo "shared                    ${shared-no}"
3333 echo "postprocessing support    ${postproc-no}"
3334 echo "new filter support        ${avfilter-no}"
3335 echo "network support           ${network-no}"
3336 echo "threading support         ${thread_type-no}"
3337 echo "SDL support               ${sdl-no}"
3338 echo "Sun medialib support      ${mlib-no}"
3339 echo "libdxva2 enabled          ${dxva2-no}"
3340 echo "libva enabled             ${vaapi-no}"
3341 echo "libvdpau enabled          ${vdpau-no}"
3342 echo "AVISynth enabled          ${avisynth-no}"
3343 echo "libcelt enabled           ${libcelt-no}"
3344 echo "frei0r enabled            ${frei0r-no}"
3345 echo "libcdio support           ${libcdio-no}"
3346 echo "libdc1394 support         ${libdc1394-no}"
3347 echo "libdirac enabled          ${libdirac-no}"
3348 echo "libfaac enabled           ${libfaac-no}"
3349 echo "libaacplus enabled        ${libaacplus-no}"
3350 echo "libgsm enabled            ${libgsm-no}"
3351 echo "libmodplug enabled        ${libmodplug-no}"
3352 echo "libmp3lame enabled        ${libmp3lame-no}"
3353 echo "libnut enabled            ${libnut-no}"
3354 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3355 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3356 echo "libopencv support         ${libopencv-no}"
3357 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3358 echo "librtmp enabled           ${librtmp-no}"
3359 echo "libschroedinger enabled   ${libschroedinger-no}"
3360 echo "libspeex enabled          ${libspeex-no}"
3361 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3362 echo "libtheora enabled         ${libtheora-no}"
3363 echo "libutvideo enabled        ${libutvideo-no}"
3364 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3365 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3366 echo "libvorbis enabled         ${libvorbis-no}"
3367 echo "libvpx enabled            ${libvpx-no}"
3368 echo "libx264 enabled           ${libx264-no}"
3369 echo "libxavs enabled           ${libxavs-no}"
3370 echo "libxvid enabled           ${libxvid-no}"
3371 echo "openal enabled            ${openal-no}"
3372 echo "zlib enabled              ${zlib-no}"
3373 echo "bzlib enabled             ${bzlib-no}"
3374 echo
3375
3376 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3377     echo "Enabled ${type}s:"
3378     eval list=\$$(toupper $type)_LIST
3379     print_enabled '_*' $list | sort | pr -r -3 -t
3380     echo
3381 done
3382
3383 license="LGPL version 2.1 or later"
3384 if enabled nonfree; then
3385     license="nonfree and unredistributable"
3386 elif enabled gplv3; then
3387     license="GPL version 3 or later"
3388 elif enabled lgplv3; then
3389     license="LGPL version 3 or later"
3390 elif enabled gpl; then
3391     license="GPL version 2 or later"
3392 fi
3393
3394 echo "License: $license"
3395
3396 echo "Creating config.mak and config.h..."
3397
3398 test -e Makefile || $ln_s "$source_path/Makefile" .
3399
3400 enabled stripping || strip="echo skipping strip"
3401
3402 config_files="$TMPH config.mak"
3403
3404 cat > config.mak <<EOF
3405 # Automatically generated by configure - do not modify!
3406 ifndef FFMPEG_CONFIG_MAK
3407 FFMPEG_CONFIG_MAK=1
3408 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3409 prefix=$prefix
3410 LIBDIR=\$(DESTDIR)$libdir
3411 SHLIBDIR=\$(DESTDIR)$shlibdir
3412 INCDIR=\$(DESTDIR)$incdir
3413 BINDIR=\$(DESTDIR)$bindir
3414 DATADIR=\$(DESTDIR)$datadir
3415 MANDIR=\$(DESTDIR)$mandir
3416 SRC_PATH=$source_path
3417 ifndef MAIN_MAKEFILE
3418 SRC_PATH:=\$(SRC_PATH:.%=..%)
3419 endif
3420 CC_IDENT=$cc_ident
3421 ARCH=$arch
3422 CC=$cc
3423 CXX=$cxx
3424 AS=$as
3425 LD=$ld
3426 DEPCC=$dep_cc
3427 YASM=$yasmexe
3428 YASMDEP=$yasmexe
3429 AR=$ar
3430 RANLIB=$ranlib
3431 CP=cp -p
3432 LN_S=$ln_s
3433 STRIP=$strip
3434 CPPFLAGS=$CPPFLAGS
3435 CFLAGS=$CFLAGS
3436 CXXFLAGS=$CXXFLAGS
3437 ASFLAGS=$ASFLAGS
3438 AS_O=$CC_O
3439 CC_O=$CC_O
3440 CXX_O=$CXX_O
3441 LDFLAGS=$LDFLAGS
3442 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3443 SHFLAGS=$SHFLAGS
3444 YASMFLAGS=$YASMFLAGS
3445 BUILDSUF=$build_suffix
3446 PROGSSUF=$progs_suffix
3447 FULLNAME=$FULLNAME
3448 LIBPREF=$LIBPREF
3449 LIBSUF=$LIBSUF
3450 LIBNAME=$LIBNAME
3451 SLIBPREF=$SLIBPREF
3452 SLIBSUF=$SLIBSUF
3453 EXESUF=$EXESUF
3454 EXTRA_VERSION=$extra_version
3455 DEPFLAGS=$DEPFLAGS
3456 CCDEP=$CCDEP
3457 CXXDEP=$CXXDEP
3458 ASDEP=$ASDEP
3459 CC_DEPFLAGS=$CC_DEPFLAGS
3460 AS_DEPFLAGS=$AS_DEPFLAGS
3461 HOSTCC=$host_cc
3462 HOSTCFLAGS=$host_cflags
3463 HOSTEXESUF=$HOSTEXESUF
3464 HOSTLDFLAGS=$host_ldflags
3465 HOSTLIBS=$host_libs
3466 TARGET_EXEC=$target_exec
3467 TARGET_PATH=$target_path
3468 SDL_LIBS=$sdl_libs
3469 SDL_CFLAGS=$sdl_cflags
3470 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3471 EXTRALIBS=$extralibs
3472 INSTALL=$install
3473 LIBTARGET=${LIBTARGET}
3474 SLIBNAME=${SLIBNAME}
3475 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3476 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3477 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3478 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3479 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3480 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3481 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3482 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3483 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3484 NOREDZONE_FLAGS=$noredzone_flags
3485 EOF
3486
3487 get_version(){
3488     name=$1
3489     file=$source_path/$2
3490     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3491     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3492     lcname=$(tolower $name)
3493     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3494     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3495 }
3496
3497 get_version LIBSWSCALE  libswscale/swscale.h
3498 get_version LIBSWRESAMPLE libswresample/swresample.h
3499 get_version LIBPOSTPROC libpostproc/postprocess.h
3500 get_version LIBAVCODEC  libavcodec/version.h
3501 get_version LIBAVDEVICE libavdevice/avdevice.h
3502 get_version LIBAVFORMAT libavformat/version.h
3503 get_version LIBAVUTIL   libavutil/avutil.h
3504 get_version LIBAVFILTER libavfilter/avfilter.h
3505
3506 cat > $TMPH <<EOF
3507 /* Automatically generated by configure - do not modify! */
3508 #ifndef FFMPEG_CONFIG_H
3509 #define FFMPEG_CONFIG_H
3510 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3511 #define FFMPEG_LICENSE "$(c_escape $license)"
3512 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3513 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3514 #define CC_TYPE "$cc_type"
3515 #define CC_VERSION $cc_version
3516 #define restrict $_restrict
3517 #define EXTERN_PREFIX "${extern_prefix}"
3518 #define EXTERN_ASM ${extern_prefix}
3519 #define SLIBSUF "$SLIBSUF"
3520 EOF
3521
3522 test -n "$malloc_prefix" &&
3523     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3524
3525 if enabled small || disabled optimizations; then
3526     echo "#undef  av_always_inline"  >> $TMPH
3527     if enabled small; then
3528         echo "#define av_always_inline inline"  >> $TMPH
3529     else
3530         echo "#define av_always_inline av_unused"  >> $TMPH
3531     fi
3532 fi
3533
3534 if enabled yasm; then
3535     append config_files $TMPASM
3536     printf '' >$TMPASM
3537 fi
3538
3539 print_config ARCH_   "$config_files" $ARCH_LIST
3540 print_config HAVE_   "$config_files" $HAVE_LIST
3541 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3542                                      $CONFIG_EXTRA      \
3543                                      $DECODER_LIST      \
3544                                      $ENCODER_LIST      \
3545                                      $HWACCEL_LIST      \
3546                                      $PARSER_LIST       \
3547                                      $BSF_LIST          \
3548                                      $DEMUXER_LIST      \
3549                                      $MUXER_LIST        \
3550                                      $FILTER_LIST       \
3551                                      $PROTOCOL_LIST     \
3552                                      $INDEV_LIST        \
3553                                      $OUTDEV_LIST       \
3554
3555 cat >>config.mak <<EOF
3556 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3557 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3558 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3559 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3560 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3561 EOF
3562
3563 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3564 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3565
3566 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3567 cp_if_changed $TMPH config.h
3568 touch .config
3569
3570 enabled yasm && cp_if_changed $TMPASM config.asm
3571
3572 cat > $TMPH <<EOF
3573 /* Generated by ffconf */
3574 #ifndef AVUTIL_AVCONFIG_H
3575 #define AVUTIL_AVCONFIG_H
3576 EOF
3577
3578 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3579
3580 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3581
3582 cp_if_changed $TMPH libavutil/avconfig.h
3583
3584 test -n "$WARNINGS" && printf "\n$WARNINGS"
3585
3586 # build pkg-config files
3587
3588 pkgconfig_generate(){
3589 name=$1
3590 shortname=${name#lib}${build_suffix}
3591 comment=$2
3592 version=$3
3593 libs=$4
3594 requires=$5
3595 enabled ${name#lib} || return 0
3596 mkdir -p $name
3597 cat <<EOF > $name/$name.pc
3598 prefix=$prefix
3599 exec_prefix=\${prefix}
3600 libdir=$libdir
3601 includedir=$incdir
3602
3603 Name: $name
3604 Description: $comment
3605 Version: $version
3606 Requires: $(enabled shared || echo $requires)
3607 Requires.private: $(enabled shared && echo $requires)
3608 Conflicts:
3609 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3610 Libs.private: $(enabled shared && echo $libs)
3611 Cflags: -I\${includedir}
3612 EOF
3613 cat <<EOF > $name/$name-uninstalled.pc
3614 prefix=
3615 exec_prefix=
3616 libdir=\${pcfiledir}
3617 includedir=${source_path}
3618
3619 Name: $name
3620 Description: $comment
3621 Version: $version
3622 Requires: $requires
3623 Conflicts:
3624 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3625 Cflags: -I\${includedir}
3626 EOF
3627 }
3628
3629 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3630 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3631 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3632 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3633 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3634 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3635 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3636 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"