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-version2        force GPL version 2 [no]
  80   --enable-version3        upgrade (L)GPL to version 3 [no]
  81   --enable-nonfree         allow use of nonfree code, the resulting libs
  82                            and binaries will be unredistributable [no]
  83   --disable-doc            do not build documentation
  84   --disable-ffmpeg         disable ffmpeg build
  85   --disable-avconv         disable avconv build
  86   --disable-ffplay         disable ffplay build
  87   --disable-ffprobe        disable ffprobe build
  88   --disable-ffserver       disable ffserver build
  89   --disable-avdevice       disable libavdevice build
  90   --disable-avcodec        disable libavcodec build
  91   --disable-avformat       disable libavformat build
  92   --disable-swresample     disable libswresample build
  93   --disable-swscale        disable libswscale build
  94   --disable-postproc       disable libpostproc build
  95   --disable-avfilter       disable video filter support [no]
  96   --disable-pthreads       disable pthreads [auto]
  97   --enable-w32threads      use Win32 threads [no]
  98   --enable-x11grab         enable X11 grabbing [no]
  99   --disable-network        disable network support [no]
 100   --enable-gray            enable full grayscale support (slower color)
 101   --disable-swscale-alpha  disable alpha channel support in swscale
 102   --disable-fastdiv        disable table-based division
 103   --enable-small           optimize for size instead of speed
 104   --disable-aandct         disable AAN DCT code
 105   --disable-dct            disable DCT code
 106   --disable-fft            disable FFT code
 107   --disable-golomb         disable Golomb code
 108   --disable-huffman        disable Huffman code
 109   --disable-lpc            disable LPC code
 110   --disable-mdct           disable MDCT code
 111   --disable-rdft           disable RDFT code
 112   --enable-vaapi           enable VAAPI code [autodetect]
 113   --enable-vdpau           enable VDPAU code [autodetect]
 114   --disable-dxva2          disable DXVA2 code
 115   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
 116   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 117   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 118   --disable-everything     disable all components listed below
 119   --disable-encoder=NAME   disable encoder NAME
 120   --enable-encoder=NAME    enable encoder NAME
 121   --disable-encoders       disable all encoders
 122   --disable-decoder=NAME   disable decoder NAME
 123   --enable-decoder=NAME    enable decoder NAME
 124   --disable-decoders       disable all decoders
 125   --disable-hwaccel=NAME   disable hwaccel NAME
 126   --enable-hwaccel=NAME    enable hwaccel NAME
 127   --disable-hwaccels       disable all hwaccels
 128   --disable-muxer=NAME     disable muxer NAME
 129   --enable-muxer=NAME      enable muxer NAME
 130   --disable-muxers         disable all muxers
 131   --disable-demuxer=NAME   disable demuxer NAME
 132   --enable-demuxer=NAME    enable demuxer NAME
 133   --disable-demuxers       disable all demuxers
 134   --enable-parser=NAME     enable parser NAME
 135   --disable-parser=NAME    disable parser NAME
 136   --disable-parsers        disable all parsers
 137   --enable-bsf=NAME        enable bitstream filter NAME
 138   --disable-bsf=NAME       disable bitstream filter NAME
 139   --disable-bsfs           disable all bitstream filters
 140   --enable-protocol=NAME   enable protocol NAME
 141   --disable-protocol=NAME  disable protocol NAME
 142   --disable-protocols      disable all protocols
 143   --disable-indev=NAME     disable input device NAME
 144   --disable-outdev=NAME    disable output device NAME
 145   --disable-indevs         disable input devices
 146   --disable-outdevs        disable output devices
 147   --disable-devices        disable all devices
 148   --enable-filter=NAME     enable filter NAME
 149   --disable-filter=NAME    disable filter NAME
 150   --disable-filters        disable all filters
 151   --list-decoders          show all available decoders
 152   --list-encoders          show all available encoders
 153   --list-hwaccels          show all available hardware accelerators
 154   --list-muxers            show all available muxers
 155   --list-demuxers          show all available demuxers
 156   --list-parsers           show all available parsers
 157   --list-protocols         show all available protocols
 158   --list-bsfs              show all available bitstream filters
 159   --list-indevs            show all available input devices
 160   --list-outdevs           show all available output devices
 161   --list-filters           show all available filters
 162
 163 External library support:
 164   --enable-avisynth        enable reading of AVISynth script files [no]
 165   --enable-bzlib           enable bzlib [autodetect]
 166   --enable-libcelt         enable CELT/Opus decoding via libcelt [no]
 167   --enable-frei0r          enable frei0r video filtering
 168   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
 169   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 170   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 171   --enable-libopencv       enable video filtering via libopencv [no]
 172   --enable-libcdio         enable audio CD grabbing with libcdio
 173   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 174                            and libraw1394 [no]
 175   --enable-libdirac        enable Dirac support via libdirac [no]
 176   --enable-libfaac         enable FAAC support via libfaac [no]
 177   --enable-libfreetype     enable libfreetype [no]
 178   --enable-libgsm          enable GSM support via libgsm [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-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
 189   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
 190   --enable-libvorbis       enable Vorbis encoding via libvorbis,
 191                            native implementation exists [no]
 192   --enable-libvpx          enable VP8 support via libvpx [no]
 193   --enable-libx264         enable H.264 encoding via x264 [no]
 194   --enable-libxavs         enable AVS encoding via xavs [no]
 195   --enable-libxvid         enable Xvid encoding via xvidcore,
 196                            native MPEG-4/Xvid encoder exists [no]
 197   --enable-openal          enable OpenAL 1.1 capture support [no]
 198   --enable-mlib            enable Sun medialib [no]
 199   --enable-zlib            enable zlib [autodetect]
 200
 201 Advanced options (experts only):
 202   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
 203   --enable-cross-compile   assume a cross-compiler is used
 204   --sysroot=PATH           root of cross-build tree
 205   --sysinclude=PATH        location of cross-build system headers
 206   --target-os=OS           compiler targets OS [$target_os]
 207   --target-exec=CMD        command to run executables on target
 208   --target-path=DIR        path to view of build directory on target
 209   --nm=NM                  use nm tool
 210   --ar=AR                  use archive tool AR [$ar_default]
 211   --as=AS                  use assembler AS [$as_default]
 212   --cc=CC                  use C compiler CC [$cc_default]
 213   --cxx=CXX                use C compiler CXX [$cxx_default]
 214   --ld=LD                  use linker LD
 215   --host-cc=HOSTCC         use host C compiler HOSTCC
 216   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 217   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 218   --host-libs=HLIBS        use libs HLIBS when linking for host
 219   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 220   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
 221   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
 222   --extra-libs=ELIBS       add ELIBS [$ELIBS]
 223   --extra-version=STRING   version string suffix []
 224   --build-suffix=SUFFIX    library name suffix []
 225   --progs-suffix=SUFFIX    program name suffix []
 226   --arch=ARCH              select architecture [$arch]
 227   --cpu=CPU                select the minimum required CPU (affects
 228                            instruction selection, may crash on older CPUs)
 229   --disable-asm            disable all assembler optimizations
 230   --disable-altivec        disable AltiVec optimizations
 231   --disable-amd3dnow       disable 3DNow! optimizations
 232   --disable-amd3dnowext    disable 3DNow! extended optimizations
 233   --disable-mmx            disable MMX optimizations
 234   --disable-mmx2           disable MMX2 optimizations
 235   --disable-sse            disable SSE optimizations
 236   --disable-ssse3          disable SSSE3 optimizations
 237   --disable-avx            disable AVX optimizations
 238   --disable-armv5te        disable armv5te optimizations
 239   --disable-armv6          disable armv6 optimizations
 240   --disable-armv6t2        disable armv6t2 optimizations
 241   --disable-armvfp         disable ARM VFP optimizations
 242   --disable-iwmmxt         disable iwmmxt optimizations
 243   --disable-mmi            disable MMI optimizations
 244   --disable-neon           disable neon optimizations
 245   --disable-vis            disable VIS optimizations
 246   --disable-yasm           disable use of yasm assembler
 247   --enable-pic             build position-independent code
 248   --malloc-prefix=PFX      prefix malloc and related names with PFX
 249   --enable-sram            allow use of on-chip SRAM
 250   --disable-symver         disable symbol versioning
 251   --optflags               override optimization-related compiler flags
 252
 253 Developer options (useful when working on FFmpeg itself):
 254   --disable-debug          disable debugging symbols
 255   --enable-debug=LEVEL     set the debug level [$debuglevel]
 256   --disable-optimizations  disable compiler optimizations
 257   --enable-extra-warnings  enable more compiler warnings
 258   --disable-stripping      disable stripping of executables and shared libraries
 259   --samples=PATH           location of test samples for FATE, if not set use
 260                            \$FATE_SAMPLES at make invocation time.
 261
 262 NOTE: Object files are built at the place where configure is launched.
 263 EOF
 264   exit 0
 265 }
 266
 267 quotes='""'
 268
 269 log(){
 270     echo "$@" >> $logfile
 271 }
 272
 273 log_file(){
 274     log BEGIN $1
 275     pr -n -t $1 >> $logfile
 276     log END $1
 277 }
 278
 279 echolog(){
 280     log "$@"
 281     echo "$@"
 282 }
 283
 284 warn(){
 285     log "WARNING: $*"
 286     WARNINGS="${WARNINGS}WARNING: $*\n"
 287 }
 288
 289 die(){
 290     echolog "$@"
 291     cat <<EOF
 292
 293 If you think configure made a mistake, make sure you are using the latest
 294 version from Git.  If the latest version fails, report the problem to the
 295 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 296 EOF
 297     if disabled logging; then
 298         cat <<EOF
 299 Rerun configure with logging enabled (do not use --disable-logging), and
 300 include the log this produces with your report.
 301 EOF
 302     else
 303 cat <<EOF
 304 Include the log file "$logfile" produced by configure as this will help
 305 solving the problem.
 306 EOF
 307     fi
 308     exit 1
 309 }
 310
 311 # Avoid locale weirdness, besides we really just want to translate ASCII.
 312 toupper(){
 313     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 314 }
 315
 316 tolower(){
 317     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 318 }
 319
 320 c_escape(){
 321     echo "$*" | sed 's/["\\]/\\\0/g'
 322 }
 323
 324 sh_quote(){
 325     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 326     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 327     echo "$v"
 328 }
 329
 330 cleanws(){
 331     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 332 }
 333
 334 filter(){
 335     pat=$1
 336     shift
 337     for v; do
 338         eval "case $v in $pat) echo $v ;; esac"
 339     done
 340 }
 341
 342 filter_out(){
 343     pat=$1
 344     shift
 345     for v; do
 346         eval "case $v in $pat) ;; *) echo $v ;; esac"
 347     done
 348 }
 349
 350 map(){
 351     m=$1
 352     shift
 353     for v; do eval $m; done
 354 }
 355
 356 set_all(){
 357     value=$1
 358     shift
 359     for var in $*; do
 360         eval $var=$value
 361     done
 362 }
 363
 364 set_weak(){
 365     value=$1
 366     shift
 367     for var; do
 368         eval : \${$var:=$value}
 369     done
 370 }
 371
 372 set_safe(){
 373     var=$1
 374     shift
 375     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 376 }
 377
 378 get_safe(){
 379     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 380 }
 381
 382 pushvar(){
 383     for var in $*; do
 384         eval level=\${${var}_level:=0}
 385         eval ${var}_${level}="\$$var"
 386         eval ${var}_level=$(($level+1))
 387     done
 388 }
 389
 390 popvar(){
 391     for var in $*; do
 392         eval level=\${${var}_level:-0}
 393         test $level = 0 && continue
 394         eval level=$(($level-1))
 395         eval $var="\${${var}_${level}}"
 396         eval ${var}_level=$level
 397         eval unset ${var}_${level}
 398     done
 399 }
 400
 401 enable(){
 402     set_all yes $*
 403 }
 404
 405 disable(){
 406     set_all no $*
 407 }
 408
 409 enable_weak(){
 410     set_weak yes $*
 411 }
 412
 413 disable_weak(){
 414     set_weak no $*
 415 }
 416
 417 enable_safe(){
 418     for var; do
 419         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 420     done
 421 }
 422
 423 disable_safe(){
 424     for var; do
 425         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 426     done
 427 }
 428
 429 do_enable_deep(){
 430     for var; do
 431         enabled $var && continue
 432         eval sel="\$${var}_select"
 433         eval sgs="\$${var}_suggest"
 434         pushvar var sgs
 435         enable_deep $sel
 436         popvar sgs
 437         enable_deep_weak $sgs
 438         popvar var
 439     done
 440 }
 441
 442 enable_deep(){
 443     do_enable_deep $*
 444     enable $*
 445 }
 446
 447 enable_deep_weak(){
 448     do_enable_deep $*
 449     enable_weak $*
 450 }
 451
 452 enabled(){
 453     test "${1#!}" = "$1" && op== || op=!=
 454     eval test "x\$${1#!}" $op "xyes"
 455 }
 456
 457 disabled(){
 458     test "${1#!}" = "$1" && op== || op=!=
 459     eval test "x\$${1#!}" $op "xno"
 460 }
 461
 462 enabled_all(){
 463     for opt; do
 464         enabled $opt || return 1
 465     done
 466 }
 467
 468 disabled_all(){
 469     for opt; do
 470         disabled $opt || return 1
 471     done
 472 }
 473
 474 enabled_any(){
 475     for opt; do
 476         enabled $opt && return 0
 477     done
 478 }
 479
 480 disabled_any(){
 481     for opt; do
 482         disabled $opt && return 0
 483     done
 484     return 1
 485 }
 486
 487 set_default(){
 488     for opt; do
 489         eval : \${$opt:=\$${opt}_default}
 490     done
 491 }
 492
 493 is_in(){
 494     value=$1
 495     shift
 496     for var in $*; do
 497         [ $var = $value ] && return 0
 498     done
 499     return 1
 500 }
 501
 502 check_deps(){
 503     for cfg; do
 504         cfg="${cfg#!}"
 505         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 506         disabled ${cfg}_checking && continue
 507         enable ${cfg}_checking
 508
 509         eval dep_all="\$${cfg}_deps"
 510         eval dep_any="\$${cfg}_deps_any"
 511         eval dep_sel="\$${cfg}_select"
 512         eval dep_sgs="\$${cfg}_suggest"
 513         eval dep_ifa="\$${cfg}_if"
 514         eval dep_ifn="\$${cfg}_if_any"
 515
 516         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 517         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 518         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 519
 520         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 521         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 522         enabled_all  $dep_all || disable $cfg
 523         enabled_any  $dep_any || disable $cfg
 524         disabled_any $dep_sel && disable $cfg
 525
 526         if enabled $cfg; then
 527             eval dep_extralibs="\$${cfg}_extralibs"
 528             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 529             enable_deep $dep_sel
 530             enable_deep_weak $dep_sgs
 531         fi
 532
 533         disable ${cfg}_checking
 534     done
 535 }
 536
 537 print_config_h(){
 538     enabled $1 && v=1 || v=0
 539     echo "#define $2 $v"
 540 }
 541
 542 print_config_mak(){
 543     enabled $1 && v= || v=!
 544     echo "$v$2=yes"
 545 }
 546
 547 print_config_asm(){
 548     enabled $1 && echo "%define $2"
 549 }
 550
 551 print_config(){
 552     pfx=$1
 553     files=$2
 554     shift 2
 555     for cfg; do
 556         ucname="$(toupper $cfg)"
 557         for f in $files; do
 558             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 559         done
 560     done
 561 }
 562
 563 print_enabled(){
 564     test "$1" = -n && end=" " && shift || end="\n"
 565     suf=$1
 566     shift
 567     for v; do
 568         enabled $v && printf "%s$end" ${v%$suf};
 569     done
 570 }
 571
 572 append(){
 573     var=$1
 574     shift
 575     eval "$var=\"\$$var $*\""
 576 }
 577
 578 prepend(){
 579     var=$1
 580     shift
 581     eval "$var=\"$* \$$var\""
 582 }
 583
 584 add_cppflags(){
 585     append CPPFLAGS $($filter_cppflags "$@")
 586 }
 587
 588 add_cflags(){
 589     append CFLAGS $($filter_cflags "$@")
 590 }
 591
 592 add_cxxflags(){
 593     append CXXFLAGS $($filter_cflags "$@")
 594 }
 595
 596 add_asflags(){
 597     append ASFLAGS $($filter_asflags "$@")
 598 }
 599
 600 add_ldflags(){
 601     append LDFLAGS "$@"
 602 }
 603
 604 add_extralibs(){
 605     prepend extralibs "$@"
 606 }
 607
 608 check_cmd(){
 609     log "$@"
 610     "$@" >> $logfile 2>&1
 611 }
 612
 613 check_cc(){
 614     log check_cc "$@"
 615     cat > $TMPC
 616     log_file $TMPC
 617     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 618 }
 619
 620 check_cxx(){
 621     log check_cxx "$@"
 622     cat > $TMPCPP
 623     log_file $TMPCPP
 624     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
 625 }
 626
 627 check_cpp(){
 628     log check_cpp "$@"
 629     cat > $TMPC
 630     log_file $TMPC
 631     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 632 }
 633
 634 check_as(){
 635     log check_as "$@"
 636     cat > $TMPC
 637     log_file $TMPC
 638     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 639 }
 640
 641 check_asm(){
 642     log check_asm "$@"
 643     name="$1"
 644     code="$2"
 645     shift 2
 646     disable $name
 647     check_as "$@" <<EOF && enable $name
 648 void foo(void){ __asm__ volatile($code); }
 649 EOF
 650 }
 651
 652 check_yasm(){
 653     log check_yasm "$@"
 654     echo "$1" > $TMPS
 655     log_file $TMPS
 656     shift 1
 657     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 658 }
 659
 660 check_ld(){
 661     log check_ld "$@"
 662     type=$1
 663     shift 1
 664     flags=''
 665     libs=''
 666     for f; do
 667         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 668     done
 669     check_$type $($filter_cflags $flags) || return
 670     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
 671 }
 672
 673 check_cppflags(){
 674     log check_cppflags "$@"
 675     set -- $($filter_cppflags "$@")
 676     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 677 int x;
 678 EOF
 679 }
 680
 681 check_cflags(){
 682     log check_cflags "$@"
 683     set -- $($filter_cflags "$@")
 684     check_cc "$@" <<EOF && append CFLAGS "$@"
 685 int x;
 686 EOF
 687 }
 688
 689 check_cxxflags(){
 690     log check_cxxflags "$@"
 691     set -- $($filter_cflags "$@")
 692     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 693 int x;
 694 EOF
 695 }
 696
 697 test_ldflags(){
 698     log test_ldflags "$@"
 699     check_ld "cc" "$@" <<EOF
 700 int main(void){ return 0; }
 701 EOF
 702 }
 703
 704 check_ldflags(){
 705     log check_ldflags "$@"
 706     test_ldflags "$@" && add_ldflags "$@"
 707 }
 708
 709 check_header(){
 710     log check_header "$@"
 711     header=$1
 712     shift
 713     disable_safe $header
 714     check_cpp "$@" <<EOF && enable_safe $header
 715 #include <$header>
 716 int x;
 717 EOF
 718 }
 719
 720 check_func(){
 721     log check_func "$@"
 722     func=$1
 723     shift
 724     disable $func
 725     check_ld "cc" "$@" <<EOF && enable $func
 726 extern int $func();
 727 int main(void){ $func(); }
 728 EOF
 729 }
 730
 731 check_mathfunc(){
 732     log check_mathfunc "$@"
 733     func=$1
 734     shift
 735     disable $func
 736     check_ld "cc" "$@" <<EOF && enable $func
 737 #include <math.h>
 738 float foo(float f) { return $func(f); }
 739 int main(void){ return (int) foo; }
 740 EOF
 741 }
 742
 743 check_func_headers(){
 744     log check_func_headers "$@"
 745     headers=$1
 746     funcs=$2
 747     shift 2
 748     {
 749         for hdr in $headers; do
 750             echo "#include <$hdr>"
 751         done
 752         for func in $funcs; do
 753             echo "long check_$func(void) { return (long) $func; }"
 754         done
 755         echo "int main(void) { return 0; }"
 756     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 757 }
 758
 759 check_class_headers_cpp(){
 760     log check_class_headers_cpp "$@"
 761     headers=$1
 762     classes=$2
 763     shift 2
 764     {
 765         for hdr in $headers; do
 766             echo "#include <$hdr>"
 767         done
 768         echo "int main(void) { "
 769         i=1
 770         for class in $classes; do
 771             echo "$class obj$i;"
 772             i=$(expr $i + 1)
 773         done
 774         echo "return 0; }"
 775     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 776 }
 777
 778 check_cpp_condition(){
 779     log check_cpp_condition "$@"
 780     header=$1
 781     condition=$2
 782     shift 2
 783     check_cpp $($filter_cppflags "$@") <<EOF
 784 #include <$header>
 785 #if !($condition)
 786 #error "unsatisfied condition: $condition"
 787 #endif
 788 EOF
 789 }
 790
 791 check_lib(){
 792     log check_lib "$@"
 793     header="$1"
 794     func="$2"
 795     shift 2
 796     check_header $header && check_func $func "$@" && add_extralibs "$@"
 797 }
 798
 799 check_lib2(){
 800     log check_lib2 "$@"
 801     headers="$1"
 802     funcs="$2"
 803     shift 2
 804     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 805 }
 806
 807 check_lib_cpp(){
 808     log check_lib_cpp "$@"
 809     headers="$1"
 810     classes="$2"
 811     shift 2
 812     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 813 }
 814
 815 check_pkg_config(){
 816     log check_pkg_config "$@"
 817     pkg="$1"
 818     headers="$2"
 819     funcs="$3"
 820     shift 3
 821     $pkg_config --exists $pkg 2>/dev/null || return
 822     pkg_cflags=$($pkg_config --cflags $pkg)
 823     pkg_libs=$($pkg_config --libs $pkg)
 824     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 825         set_safe ${pkg}_cflags $pkg_cflags   &&
 826         set_safe ${pkg}_libs   $pkg_libs
 827 }
 828
 829 check_exec(){
 830     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 831 }
 832
 833 check_exec_crash(){
 834     code=$(cat)
 835
 836     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 837     # are safe but may not be available everywhere.  Thus we use
 838     # raise(SIGTERM) instead.  The check is run in a subshell so we
 839     # can redirect the "Terminated" message from the shell.  SIGBUS
 840     # is not defined by standard C so it is used conditionally.
 841
 842     (check_exec "$@") >> $logfile 2>&1 <<EOF
 843 #include <signal.h>
 844 static void sighandler(int sig){
 845     raise(SIGTERM);
 846 }
 847 int main(void){
 848     signal(SIGILL, sighandler);
 849     signal(SIGFPE, sighandler);
 850     signal(SIGSEGV, sighandler);
 851 #ifdef SIGBUS
 852     signal(SIGBUS, sighandler);
 853 #endif
 854     { $code }
 855 }
 856 EOF
 857 }
 858
 859 check_type(){
 860     log check_type "$@"
 861     headers=$1
 862     type=$2
 863     shift 2
 864     disable_safe "$type"
 865     incs=""
 866     for hdr in $headers; do
 867         incs="$incs
 868 #include <$hdr>"
 869     done
 870     check_cc "$@" <<EOF && enable_safe "$type"
 871 $incs
 872 $type v;
 873 EOF
 874 }
 875
 876 check_struct(){
 877     log check_type "$@"
 878     headers=$1
 879     struct=$2
 880     member=$3
 881     shift 3
 882     disable_safe "${struct}_${member}"
 883     incs=""
 884     for hdr in $headers; do
 885         incs="$incs
 886 #include <$hdr>"
 887     done
 888     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
 889 $incs
 890 const void *p = &(($struct *)0)->$member;
 891 EOF
 892 }
 893
 894 require(){
 895     name="$1"
 896     header="$2"
 897     func="$3"
 898     shift 3
 899     check_lib $header $func "$@" || die "ERROR: $name not found"
 900 }
 901
 902 require2(){
 903     name="$1"
 904     headers="$2"
 905     func="$3"
 906     shift 3
 907     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 908 }
 909
 910 require_cpp(){
 911     name="$1"
 912     headers="$2"
 913     classes="$3"
 914     shift 3
 915     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
 916 }
 917
 918 require_pkg_config(){
 919     pkg="$1"
 920     check_pkg_config "$@" || die "ERROR: $pkg not found"
 921     add_cflags    $(get_safe ${pkg}_cflags)
 922     add_extralibs $(get_safe ${pkg}_libs)
 923 }
 924
 925 check_host_cc(){
 926     log check_host_cc "$@"
 927     cat > $TMPC
 928     log_file $TMPC
 929     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
 930 }
 931
 932 check_host_cflags(){
 933     log check_host_cflags "$@"
 934     check_host_cc "$@" <<EOF && append host_cflags "$@"
 935 int x;
 936 EOF
 937 }
 938
 939 apply(){
 940     file=$1
 941     shift
 942     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 943 }
 944
 945 cp_if_changed(){
 946     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
 947     mkdir -p "$(dirname $2)"
 948     cp -f "$1" "$2"
 949 }
 950
 951 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 952 # system-dependent things.
 953
 954 COMPONENT_LIST="
 955     bsfs
 956     decoders
 957     demuxers
 958     encoders
 959     filters
 960     hwaccels
 961     indevs
 962     muxers
 963     outdevs
 964     parsers
 965     protocols
 966 "
 967
 968 CONFIG_LIST="
 969     $COMPONENT_LIST
 970     aandct
 971     ac3dsp
 972     avcodec
 973     avdevice
 974     avfilter
 975     avformat
 976     avisynth
 977     bzlib
 978     crystalhd
 979     dct
 980     doc
 981     dwt
 982     dxva2
 983     fastdiv
 984     ffmpeg
 985     avconv
 986     ffplay
 987     ffprobe
 988     ffserver
 989     fft
 990     frei0r
 991     golomb
 992     gpl
 993     gray
 994     h264dsp
 995     h264pred
 996     hardcoded_tables
 997     huffman
 998     libaacplus
 999     libcdio
1000     libcelt
1001     libdc1394
1002     libdirac
1003     libfaac
1004     libfreetype
1005     libgsm
1006     libmp3lame
1007     libnut
1008     libopencore_amrnb
1009     libopencore_amrwb
1010     libopencv
1011     libopenjpeg
1012     librtmp
1013     libschroedinger
1014     libspeex
1015     libstagefright_h264
1016     libtheora
1017     libvo_aacenc
1018     libvo_amrwbenc
1019     libvorbis
1020     libvpx
1021     libx264
1022     libxavs
1023     libxvid
1024     lpc
1025     lsp
1026     mdct
1027     memalign_hack
1028     mlib
1029     mpegaudiodsp
1030     network
1031     nonfree
1032     openal
1033     pic
1034     postproc
1035     rdft
1036     rtpdec
1037     runtime_cpudetect
1038     shared
1039     sinewin
1040     small
1041     sram
1042     static
1043     swresample
1044     swscale
1045     swscale_alpha
1046     thumb
1047     vaapi
1048     vdpau
1049     version2
1050     version3
1051     x11grab
1052     zlib
1053 "
1054
1055 THREADS_LIST='
1056     pthreads
1057     w32threads
1058 '
1059
1060 ARCH_LIST='
1061     alpha
1062     arm
1063     avr32
1064     avr32_ap
1065     avr32_uc
1066     bfin
1067     ia64
1068     m68k
1069     mips
1070     mips64
1071     parisc
1072     ppc
1073     ppc64
1074     s390
1075     sh4
1076     sparc
1077     sparc64
1078     tomi
1079     x86
1080     x86_32
1081     x86_64
1082 '
1083
1084 ARCH_EXT_LIST='
1085     altivec
1086     amd3dnow
1087     amd3dnowext
1088     armv5te
1089     armv6
1090     armv6t2
1091     armvfp
1092     avx
1093     iwmmxt
1094     mmi
1095     mmx
1096     mmx2
1097     neon
1098     ppc4xx
1099     sse
1100     ssse3
1101     vfpv3
1102     vis
1103 '
1104
1105 HAVE_LIST_PUB='
1106     bigendian
1107     fast_unaligned
1108 '
1109
1110 HAVE_LIST="
1111     $ARCH_EXT_LIST
1112     $HAVE_LIST_PUB
1113     $THREADS_LIST
1114     aligned_stack
1115     alsa_asoundlib_h
1116     altivec_h
1117     arpa_inet_h
1118     attribute_may_alias
1119     attribute_packed
1120     bswap
1121     closesocket
1122     cmov
1123     dcbzl
1124     dev_bktr_ioctl_bt848_h
1125     dev_bktr_ioctl_meteor_h
1126     dev_ic_bt8xx_h
1127     dev_video_meteor_ioctl_meteor_h
1128     dev_video_bktr_ioctl_bt848_h
1129     dlfcn_h
1130     dlopen
1131     dos_paths
1132     ebp_available
1133     ebx_available
1134     exp2
1135     exp2f
1136     fast_64bit
1137     fast_clz
1138     fast_cmov
1139     fcntl
1140     fork
1141     getaddrinfo
1142     gethrtime
1143     GetProcessMemoryInfo
1144     GetProcessTimes
1145     getrusage
1146     gnu_as
1147     struct_rusage_ru_maxrss
1148     ibm_asm
1149     inet_aton
1150     inline_asm
1151     isatty
1152     kbhit
1153     ldbrx
1154     llrint
1155     llrintf
1156     local_aligned_16
1157     local_aligned_8
1158     localtime_r
1159     log2
1160     log2f
1161     loongson
1162     lrint
1163     lrintf
1164     lzo1x_999_compress
1165     machine_ioctl_bt848_h
1166     machine_ioctl_meteor_h
1167     malloc_h
1168     MapViewOfFile
1169     memalign
1170     mkstemp
1171     mmap
1172     PeekNamedPipe
1173     posix_memalign
1174     round
1175     roundf
1176     sdl
1177     sdl_video_size
1178     setmode
1179     sndio_h
1180     socklen_t
1181     soundcard_h
1182     poll_h
1183     setrlimit
1184     strerror_r
1185     strptime
1186     strtok_r
1187     struct_addrinfo
1188     struct_ipv6_mreq
1189     struct_sockaddr_in6
1190     struct_sockaddr_sa_len
1191     struct_sockaddr_storage
1192     symver
1193     symver_gnu_asm
1194     symver_asm_label
1195     sys_mman_h
1196     sys_resource_h
1197     sys_select_h
1198     sys_soundcard_h
1199     sys_videoio_h
1200     termios_h
1201     threads
1202     trunc
1203     truncf
1204     vfp_args
1205     VirtualAlloc
1206     winsock2_h
1207     xform_asm
1208     xmm_clobbers
1209     yasm
1210 "
1211
1212 # options emitted with CONFIG_ prefix but not available on command line
1213 CONFIG_EXTRA="
1214     avutil
1215     gplv3
1216     gplv2
1217     lgplv3
1218 "
1219
1220 CMDLINE_SELECT="
1221     $ARCH_EXT_LIST
1222     $CONFIG_LIST
1223     $THREADS_LIST
1224     asm
1225     cross_compile
1226     debug
1227     extra_warnings
1228     logging
1229     optimizations
1230     stripping
1231     symver
1232     yasm
1233 "
1234
1235 PATHS_LIST='
1236     bindir
1237     datadir
1238     incdir
1239     libdir
1240     mandir
1241     prefix
1242     shlibdir
1243 '
1244
1245 CMDLINE_SET="
1246     $PATHS_LIST
1247     ar
1248     arch
1249     as
1250     build_suffix
1251     progs_suffix
1252     cc
1253     cpu
1254     cross_prefix
1255     cxx
1256     dep_cc
1257     extra_version
1258     host_cc
1259     host_cflags
1260     host_ldflags
1261     host_libs
1262     host_os
1263     install
1264     ld
1265     logfile
1266     malloc_prefix
1267     nm
1268     optflags
1269     pkg_config
1270     samples
1271     strip
1272     sysinclude
1273     sysroot
1274     target_exec
1275     target_os
1276     target_path
1277 "
1278
1279 CMDLINE_APPEND="
1280     extra_cflags
1281     extra_cxxflags
1282 "
1283
1284 # code dependency declarations
1285
1286 # architecture extensions
1287
1288 armv5te_deps="arm"
1289 armv6_deps="arm"
1290 armv6t2_deps="arm"
1291 armvfp_deps="arm"
1292 iwmmxt_deps="arm"
1293 neon_deps="arm"
1294 vfpv3_deps="armvfp"
1295
1296 mmi_deps="mips"
1297
1298 altivec_deps="ppc"
1299 ppc4xx_deps="ppc"
1300
1301 vis_deps="sparc"
1302
1303 x86_64_suggest="cmov fast_cmov"
1304 amd3dnow_deps="mmx"
1305 amd3dnowext_deps="amd3dnow"
1306 mmx_deps="x86"
1307 mmx2_deps="mmx"
1308 sse_deps="mmx"
1309 ssse3_deps="sse"
1310 avx_deps="ssse3"
1311
1312 aligned_stack_if_any="ppc x86"
1313 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1314 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1315 fast_unaligned_if_any="armv6 ppc x86"
1316
1317 need_memalign="altivec neon sse"
1318 inline_asm_deps="!tms470"
1319
1320 symver_if_any="symver_asm_label symver_gnu_asm"
1321
1322 # subsystems
1323 dct_select="rdft"
1324 mdct_select="fft"
1325 rdft_select="fft"
1326 mpegaudiodsp_select="dct"
1327
1328 # decoders / encoders / hardware accelerators
1329 aac_decoder_select="mdct sinewin"
1330 aac_encoder_select="mdct sinewin"
1331 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1332 ac3_decoder_select="mdct ac3dsp ac3_parser"
1333 ac3_encoder_select="mdct ac3dsp"
1334 ac3_fixed_encoder_select="mdct ac3dsp"
1335 alac_encoder_select="lpc"
1336 amrnb_decoder_select="lsp"
1337 amrwb_decoder_select="lsp"
1338 atrac1_decoder_select="mdct sinewin"
1339 atrac3_decoder_select="mdct"
1340 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1341 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1342 cavs_decoder_select="golomb"
1343 cook_decoder_select="mdct sinewin"
1344 cscd_decoder_suggest="zlib"
1345 dca_decoder_select="mdct"
1346 dnxhd_encoder_select="aandct"
1347 dxa_decoder_select="zlib"
1348 eac3_decoder_select="ac3_decoder"
1349 eac3_encoder_select="mdct ac3dsp"
1350 eamad_decoder_select="aandct"
1351 eatgq_decoder_select="aandct"
1352 eatqi_decoder_select="aandct"
1353 ffv1_decoder_select="golomb"
1354 flac_decoder_select="golomb"
1355 flac_encoder_select="golomb lpc"
1356 flashsv_decoder_select="zlib"
1357 flashsv_encoder_select="zlib"
1358 flashsv2_encoder_select="zlib"
1359 flashsv2_decoder_select="zlib"
1360 flv_decoder_select="h263_decoder"
1361 flv_encoder_select="h263_encoder"
1362 fraps_decoder_select="huffman"
1363 h261_encoder_select="aandct"
1364 h263_decoder_select="h263_parser"
1365 h263_encoder_select="aandct"
1366 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1367 h263i_decoder_select="h263_decoder"
1368 h263p_encoder_select="h263_encoder"
1369 h264_decoder_select="golomb h264dsp h264pred"
1370 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1371 h264_dxva2_hwaccel_deps="dxva2api_h"
1372 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1373 h264_vaapi_hwaccel_select="vaapi"
1374 h264_vdpau_decoder_select="vdpau h264_decoder"
1375 imc_decoder_select="fft mdct sinewin"
1376 jpegls_decoder_select="golomb"
1377 jpegls_encoder_select="golomb"
1378 ljpeg_encoder_select="aandct"
1379 loco_decoder_select="golomb"
1380 mjpeg_encoder_select="aandct"
1381 mlp_decoder_select="mlp_parser"
1382 mp1_decoder_select="mpegaudiodsp"
1383 mp2_decoder_select="mpegaudiodsp"
1384 mp3adu_decoder_select="mpegaudiodsp"
1385 mp3_decoder_select="mpegaudiodsp"
1386 mp3on4_decoder_select="mpegaudiodsp"
1387 mp1float_decoder_select="mpegaudiodsp"
1388 mp2float_decoder_select="mpegaudiodsp"
1389 mp3adufloat_decoder_select="mpegaudiodsp"
1390 mp3float_decoder_select="mpegaudiodsp"
1391 mp3on4float_decoder_select="mpegaudiodsp"
1392 mpeg1video_encoder_select="aandct"
1393 mpeg2video_encoder_select="aandct"
1394 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1395 mpeg4_encoder_select="h263_encoder"
1396 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1397 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1398 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1399 mpeg2_crystalhd_decoder_select="crystalhd"
1400 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1401 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1402 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1403 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1404 mpeg4_crystalhd_decoder_select="crystalhd"
1405 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1406 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1407 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1408 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1409 msmpeg4_crystalhd_decoder_select="crystalhd"
1410 msmpeg4v1_decoder_select="h263_decoder"
1411 msmpeg4v1_encoder_select="h263_encoder"
1412 msmpeg4v2_decoder_select="h263_decoder"
1413 msmpeg4v2_encoder_select="h263_encoder"
1414 msmpeg4v3_decoder_select="h263_decoder"
1415 msmpeg4v3_encoder_select="h263_encoder"
1416 nellymoser_decoder_select="mdct sinewin"
1417 nellymoser_encoder_select="mdct sinewin"
1418 png_decoder_select="zlib"
1419 png_encoder_select="zlib"
1420 prores_gpl_decoder_deps="version2 gpl"
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 libmp3lame_encoder_deps="libmp3lame"
1498 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1499 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1500 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1501 libopenjpeg_decoder_deps="libopenjpeg"
1502 libschroedinger_decoder_deps="libschroedinger"
1503 libschroedinger_encoder_deps="libschroedinger"
1504 libspeex_decoder_deps="libspeex"
1505 libspeex_encoder_deps="libspeex"
1506 libstagefright_h264_decoder_deps="libstagefright_h264"
1507 libtheora_encoder_deps="libtheora"
1508 libvo_aacenc_encoder_deps="libvo_aacenc"
1509 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1510 libvorbis_encoder_deps="libvorbis"
1511 libvpx_decoder_deps="libvpx"
1512 libvpx_encoder_deps="libvpx"
1513 libx264_encoder_deps="libx264"
1514 libxavs_encoder_deps="libxavs"
1515 libxvid_encoder_deps="libxvid"
1516
1517 # demuxers / muxers
1518 ac3_demuxer_select="ac3_parser"
1519 asf_stream_muxer_select="asf_muxer"
1520 avisynth_demuxer_deps="avisynth"
1521 dirac_demuxer_select="dirac_parser"
1522 eac3_demuxer_select="ac3_parser"
1523 flac_demuxer_select="flac_parser"
1524 ipod_muxer_select="mov_muxer"
1525 libnut_demuxer_deps="libnut"
1526 libnut_muxer_deps="libnut"
1527 matroska_audio_muxer_select="matroska_muxer"
1528 matroska_demuxer_suggest="zlib bzlib"
1529 mov_demuxer_suggest="zlib"
1530 mp3_demuxer_select="mpegaudio_parser"
1531 mp4_muxer_select="mov_muxer"
1532 mpegtsraw_demuxer_select="mpegts_demuxer"
1533 mxf_d10_muxer_select="mxf_muxer"
1534 ogg_demuxer_select="golomb"
1535 psp_muxer_select="mov_muxer"
1536 rtp_demuxer_select="sdp_demuxer"
1537 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1538 rtsp_demuxer_select="http_protocol rtpdec"
1539 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1540 sap_demuxer_select="sdp_demuxer"
1541 sap_muxer_select="rtp_muxer rtp_protocol"
1542 sdp_demuxer_select="rtpdec"
1543 spdif_muxer_select="aac_parser"
1544 tg2_muxer_select="mov_muxer"
1545 tgp_muxer_select="mov_muxer"
1546 w64_demuxer_deps="wav_demuxer"
1547
1548 # indevs / outdevs
1549 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1550 alsa_outdev_deps="alsa_asoundlib_h"
1551 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1552 dshow_indev_deps="IBaseFilter"
1553 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1554 dv1394_indev_deps="dv1394 dv_demuxer"
1555 fbdev_indev_deps="linux_fb_h"
1556 jack_indev_deps="jack_jack_h sem_timedwait"
1557 lavfi_indev_deps="avfilter"
1558 libcdio_indev_deps="libcdio"
1559 libdc1394_indev_deps="libdc1394"
1560 openal_indev_deps="openal"
1561 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1562 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1563 sdl_outdev_deps="sdl"
1564 sndio_indev_deps="sndio_h"
1565 sndio_outdev_deps="sndio_h"
1566 v4l_indev_deps="linux_videodev_h"
1567 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1568 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1569 vfwcap_indev_extralibs="-lavicap32"
1570 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1571 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1572
1573 # protocols
1574 gopher_protocol_deps="network"
1575 http_protocol_deps="network"
1576 http_protocol_select="tcp_protocol"
1577 mmsh_protocol_select="http_protocol"
1578 mmst_protocol_deps="network"
1579 rtmp_protocol_select="tcp_protocol"
1580 rtp_protocol_select="udp_protocol"
1581 tcp_protocol_deps="network"
1582 udp_protocol_deps="network"
1583
1584 # filters
1585 abuffer_filter_deps="strtok_r"
1586 aconvert_filter_deps="strtok_r"
1587 aformat_filter_deps="strtok_r"
1588 amovie_filter_deps="avcodec avformat"
1589 blackframe_filter_deps="gpl"
1590 boxblur_filter_deps="gpl"
1591 cropdetect_filter_deps="gpl"
1592 delogo_filter_deps="gpl"
1593 drawtext_filter_deps="libfreetype"
1594 frei0r_filter_deps="frei0r dlopen strtok_r"
1595 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1596 hqdn3d_filter_deps="gpl"
1597 movie_filter_deps="avcodec avformat"
1598 mp_filter_deps="gpl avcodec"
1599 mptestsrc_filter_deps="gpl"
1600 negate_filter_deps="lut_filter"
1601 ocv_filter_deps="libopencv"
1602 scale_filter_deps="swscale"
1603 yadif_filter_deps="gpl"
1604
1605 # libraries
1606 avdevice_deps="avcodec avformat"
1607 avformat_deps="avcodec"
1608 postproc_deps="gpl"
1609
1610 # programs
1611 ffmpeg_deps="avcodec avformat swscale swresample"
1612 ffmpeg_select="buffer_filter buffersink_filter"
1613 avconv_deps="avcodec avformat swscale"
1614 avconv_select="buffer_filter"
1615 ffplay_deps="avcodec avformat swscale sdl"
1616 ffplay_select="buffersink_filter rdft"
1617 ffprobe_deps="avcodec avformat"
1618 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1619 ffserver_extralibs='$ldl'
1620
1621 doc_deps="texi2html"
1622
1623 # tests
1624
1625 test_deps(){
1626     suf1=$1
1627     suf2=$2
1628     shift 2
1629     for v; do
1630         dep=${v%=*}
1631         tests=${v#*=}
1632         for name in ${tests}; do
1633             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1634         done
1635     done
1636 }
1637
1638 mxf_d10_test_deps="avfilter"
1639 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1640
1641 test_deps _encoder _decoder                                             \
1642     adpcm_g726=g726                                                     \
1643     adpcm_ima_qt                                                        \
1644     adpcm_ima_wav                                                       \
1645     adpcm_ms                                                            \
1646     adpcm_swf                                                           \
1647     adpcm_yamaha=adpcm_yam                                              \
1648     alac                                                                \
1649     asv1                                                                \
1650     asv2                                                                \
1651     bmp                                                                 \
1652     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1653     dvvideo="dv dv50"                                                   \
1654     ffv1                                                                \
1655     flac                                                                \
1656     flashsv                                                             \
1657     flv                                                                 \
1658     gif                                                                 \
1659     h261                                                                \
1660     h263="h263 h263p"                                                   \
1661     huffyuv                                                             \
1662     jpegls                                                              \
1663     mjpeg="jpg mjpeg ljpeg"                                             \
1664     mp2                                                                 \
1665     mpeg1video="mpeg mpeg1b"                                            \
1666     mpeg2video="mpeg2 mpeg2thread"                                      \
1667     mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1668     msmpeg4v3=msmpeg4                                                   \
1669     msmpeg4v2                                                           \
1670     pbm=pbmpipe                                                         \
1671     pcx                                                                 \
1672     pgm="pgm pgmpipe"                                                   \
1673     png                                                                 \
1674     ppm="ppm ppmpipe"                                                   \
1675     rawvideo="rgb yuv"                                                  \
1676     roq                                                                 \
1677     rv10                                                                \
1678     rv20                                                                \
1679     sgi                                                                 \
1680     snow="snow snowll"                                                  \
1681     svq1                                                                \
1682     targa=tga                                                           \
1683     tiff                                                                \
1684     wmav1                                                               \
1685     wmav2                                                               \
1686     wmv1                                                                \
1687     wmv2                                                                \
1688
1689 test_deps _muxer _demuxer                                               \
1690     aiff                                                                \
1691     pcm_alaw=alaw                                                       \
1692     asf                                                                 \
1693     au                                                                  \
1694     avi                                                                 \
1695     dv=dv_fmt                                                           \
1696     ffm                                                                 \
1697     flv=flv_fmt                                                         \
1698     gxf                                                                 \
1699     matroska=mkv                                                        \
1700     mmf                                                                 \
1701     mov                                                                 \
1702     pcm_mulaw=mulaw                                                     \
1703     mxf="mxf mxf_d10"                                                   \
1704     nut                                                                 \
1705     ogg                                                                 \
1706     rawvideo=pixfmt                                                     \
1707     rm                                                                  \
1708     swf                                                                 \
1709     mpegts=ts                                                           \
1710     voc                                                                 \
1711     wav                                                                 \
1712     yuv4mpegpipe=yuv4mpeg                                               \
1713
1714 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1715 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1716
1717 # default parameters
1718
1719 logfile="config.log"
1720
1721 # installation paths
1722 prefix_default="/usr/local"
1723 bindir_default='${prefix}/bin'
1724 datadir_default='${prefix}/share/ffmpeg'
1725 incdir_default='${prefix}/include'
1726 libdir_default='${prefix}/lib'
1727 mandir_default='${prefix}/share/man'
1728 shlibdir_default="$libdir_default"
1729
1730 # toolchain
1731 ar_default="ar"
1732 cc_default="gcc"
1733 cxx_default="g++"
1734 cc_version=\"unknown\"
1735 host_cc_default="gcc"
1736 install="install"
1737 ln_s="ln -sf"
1738 nm_default="nm"
1739 objformat="elf"
1740 pkg_config_default=pkg-config
1741 ranlib="ranlib"
1742 strip_default="strip"
1743 yasmexe="yasm"
1744 nogas=":"
1745
1746 nm_opts='-g'
1747
1748 # machine
1749 arch_default=$(uname -m)
1750 cpu="generic"
1751
1752 # OS
1753 target_os_default=$(tolower $(uname -s))
1754 host_os=$target_os_default
1755
1756 # configurable options
1757 enable avcodec
1758 enable avdevice
1759 enable avfilter
1760 enable avformat
1761 enable avutil
1762 enable asm
1763 enable debug
1764 enable doc
1765 enable fastdiv
1766 enable ffmpeg
1767 enable avconv
1768 enable ffplay
1769 enable ffprobe
1770 enable ffserver
1771 enable network
1772 enable optimizations
1773 enable postproc
1774 enable protocols
1775 enable static
1776 enable stripping
1777 enable swresample
1778 enable swscale
1779 enable swscale_alpha
1780
1781 # build settings
1782 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1783 FFSERVERLDFLAGS=-Wl,-E
1784 LIBPREF="lib"
1785 LIBSUF=".a"
1786 FULLNAME='$(NAME)$(BUILDSUF)'
1787 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1788 SLIBPREF="lib"
1789 SLIBSUF=".so"
1790 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1791 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1792 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1793 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1794 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1795 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1796
1797 AS_O='-o $@'
1798 CC_O='-o $@'
1799 CXX_O='-o $@'
1800
1801 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1802 host_libs='-lm'
1803
1804 target_path='$(CURDIR)'
1805
1806 # since the object filename is not given with the -MM flag, the compiler
1807 # is only able to print the basename, and we must add the path ourselves
1808 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1809 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1810
1811 # find source path
1812 if test -f configure; then
1813     source_path=.
1814 else
1815     source_path=$(cd $(dirname "$0"); pwd)
1816     echo "$source_path" | grep -q '[[:blank:]]' &&
1817         die "Out of tree builds are impossible with whitespace in source path."
1818     test -e "$source_path/config.h" &&
1819         die "Out of tree builds are impossible with config.h in source dir."
1820 fi
1821
1822 for v in "$@"; do
1823     r=${v#*=}
1824     l=${v%"$r"}
1825     r=$(sh_quote "$r")
1826     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1827 done
1828
1829 find_things(){
1830     thing=$1
1831     pattern=$2
1832     file=$source_path/$3
1833     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1834 }
1835
1836 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1837 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1838 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1839 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1840 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1841 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1842 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1843 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1844 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1845 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1846 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1847
1848 find_tests(){
1849     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1850 }
1851
1852 ACODEC_TESTS=$(find_tests acodec)
1853 VCODEC_TESTS=$(find_tests vsynth1)
1854 LAVF_TESTS=$(find_tests lavf)
1855 LAVFI_TESTS=$(find_tests lavfi)
1856 SEEK_TESTS=$(find_tests seek seek_)
1857
1858 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1859
1860 for n in $COMPONENT_LIST; do
1861     v=$(toupper ${n%s})_LIST
1862     eval enable \$$v
1863     eval ${n}_if_any="\$$v"
1864 done
1865
1866 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1867
1868 die_unknown(){
1869     echo "Unknown option \"$1\"."
1870     echo "See $0 --help for available options."
1871     exit 1
1872 }
1873
1874 show_list() {
1875     suffix=_$1
1876     shift
1877     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1878     exit 0
1879 }
1880
1881 for opt do
1882     optval="${opt#*=}"
1883     case "$opt" in
1884     --extra-ldflags=*) add_ldflags $optval
1885     ;;
1886     --extra-libs=*) add_extralibs $optval
1887     ;;
1888     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1889     ;;
1890     --enable-debug=*) debuglevel="$optval"
1891     ;;
1892     --disable-everything)
1893     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1894     ;;
1895     --enable-*=*|--disable-*=*)
1896     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1897     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1898     eval list=\$$(toupper $thing)_LIST
1899     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1900     $action $(filter "$name" $list)
1901     ;;
1902     --enable-?*|--disable-?*)
1903     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1904     if is_in $option $COMPONENT_LIST; then
1905         test $action = disable && action=unset
1906         eval $action \$$(toupper ${option%s})_LIST
1907     elif is_in $option $CMDLINE_SELECT; then
1908         $action $option
1909     else
1910         die_unknown $opt
1911     fi
1912     ;;
1913     --list-*)
1914         NAME="${opt#--list-}"
1915         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1916         NAME=${NAME%s}
1917         eval show_list $NAME \$$(toupper $NAME)_LIST
1918     ;;
1919     --help|-h) show_help
1920     ;;
1921     *)
1922     optname="${opt%%=*}"
1923     optname="${optname#--}"
1924     optname=$(echo "$optname" | sed 's/-/_/g')
1925     if is_in $optname $CMDLINE_SET; then
1926         eval $optname='$optval'
1927     elif is_in $optname $CMDLINE_APPEND; then
1928         append $optname "$optval"
1929     else
1930          die_unknown $opt
1931     fi
1932     ;;
1933     esac
1934 done
1935
1936 disabled logging && logfile=/dev/null
1937
1938 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1939 set >> $logfile
1940
1941 test -n "$cross_prefix" && enable cross_compile
1942
1943 if enabled cross_compile; then
1944     test -n "$arch" && test -n "$target_os" ||
1945         die "Must specify target arch and OS when cross-compiling"
1946 fi
1947
1948 set_default arch target_os
1949
1950 ar_default="${cross_prefix}${ar_default}"
1951 cc_default="${cross_prefix}${cc_default}"
1952 cxx_default="${cross_prefix}${cxx_default}"
1953 nm_default="${cross_prefix}${nm_default}"
1954 pkg_config_default="${cross_prefix}${pkg_config_default}"
1955 ranlib="${cross_prefix}${ranlib}"
1956 strip_default="${cross_prefix}${strip_default}"
1957
1958 sysinclude_default="${sysroot}/usr/include"
1959
1960 set_default cc cxx nm pkg_config strip sysinclude
1961 enabled cross_compile || host_cc_default=$cc
1962 set_default host_cc
1963
1964 if ! $pkg_config --version >/dev/null 2>&1; then
1965     warn "$pkg_config not found, library detection may fail."
1966     pkg_config=false
1967 fi
1968
1969 exesuf() {
1970     case $1 in
1971         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1972     esac
1973 }
1974
1975 EXESUF=$(exesuf $target_os)
1976 HOSTEXESUF=$(exesuf $host_os)
1977
1978 # set temporary file name
1979 : ${TMPDIR:=$TEMPDIR}
1980 : ${TMPDIR:=$TMP}
1981 : ${TMPDIR:=/tmp}
1982
1983 if ! check_cmd mktemp -u XXXXXX; then
1984     # simple replacement for missing mktemp
1985     # NOT SAFE FOR GENERAL USE
1986     mktemp(){
1987         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1988     }
1989 fi
1990
1991 tmpfile(){
1992     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1993         (set -C; exec > $tmp) 2>/dev/null ||
1994         die "Unable to create temporary file in $TMPDIR."
1995     append TMPFILES $tmp
1996     eval $1=$tmp
1997 }
1998
1999 trap 'rm -f -- $TMPFILES' EXIT
2000
2001 tmpfile TMPC  .c
2002 tmpfile TMPCPP .cpp
2003 tmpfile TMPE  $EXESUF
2004 tmpfile TMPH  .h
2005 tmpfile TMPO  .o
2006 tmpfile TMPS  .S
2007 tmpfile TMPV  .ver
2008 tmpfile TMPSH .sh
2009 tmpfile TMPASM .asm
2010
2011 unset -f mktemp
2012
2013 chmod +x $TMPE
2014
2015 # make sure we can execute files in $TMPDIR
2016 cat > $TMPSH 2>> $logfile <<EOF
2017 #! /bin/sh
2018 EOF
2019 chmod +x $TMPSH >> $logfile 2>&1
2020 if ! $TMPSH >> $logfile 2>&1; then
2021     cat <<EOF
2022 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2023 variable to another directory and make sure that it is not mounted noexec.
2024 EOF
2025     die "Sanity test failed."
2026 fi
2027
2028 filter_cflags=echo
2029 filter_cppflags=echo
2030 filter_asflags=echo
2031
2032 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2033     cc_type=llvm_gcc
2034     cc_version=__VERSION__
2035     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2036     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2037     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2038     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2039     speed_cflags='-O3'
2040     size_cflags='-Os'
2041 elif $cc -v 2>&1 | grep -qi ^gcc; then
2042     cc_type=gcc
2043     cc_version=__VERSION__
2044     gcc_version=$($cc --version | head -n1)
2045     gcc_basever=$($cc -dumpversion)
2046     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2047     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2048     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2049     if ! $cc -dumpversion | grep -q '^2\.'; then
2050         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2051         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2052     fi
2053     speed_cflags='-O3'
2054     size_cflags='-Os'
2055 elif $cc --version 2>/dev/null | grep -q Intel; then
2056     cc_type=icc
2057     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2058     cc_ident=$($cc --version | head -n1)
2059     icc_version=$($cc -dumpversion)
2060     CC_DEPFLAGS='-MMD'
2061     AS_DEPFLAGS='-MMD'
2062     speed_cflags='-O3'
2063     size_cflags='-Os'
2064     noopt_cflags='-O1'
2065 elif $cc -v 2>&1 | grep -q xlc; then
2066     cc_type=xlc
2067     cc_version="AV_STRINGIFY(__IBMC__)"
2068     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2069     speed_cflags='-O5'
2070     size_cflags='-O5 -qcompact'
2071 elif $cc -V 2>/dev/null | grep -q Compaq; then
2072     cc_type=ccc
2073     cc_version="AV_STRINGIFY(__DECC_VER)"
2074     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2075     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2076     debuglevel=3
2077     add_ldflags -Wl,-z,now # calls to libots crash without this
2078     speed_cflags='-fast'
2079     size_cflags='-O1'
2080 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2081     test -d "$sysroot" || die "No valid sysroot specified."
2082     cc_type=armcc
2083     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2084     cc_ident=$($cc --vsn | head -n1)
2085     armcc_conf="$PWD/armcc.conf"
2086     $cc --arm_linux_configure                 \
2087         --arm_linux_config_file="$armcc_conf" \
2088         --configure_sysroot="$sysroot"        \
2089         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2090         die "Error creating armcc configuration file."
2091     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2092     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2093     as_default="${cross_prefix}gcc"
2094     CC_DEPFLAGS='-MMD'
2095     AS_DEPFLAGS='-MMD'
2096     speed_cflags='-O3'
2097     size_cflags='-Os'
2098     filter_asflags="filter_out -W${armcc_opt}*"
2099 elif $cc -version 2>/dev/null | grep -q TMS470; then
2100     cc_type=tms470
2101     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2102     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2103     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2104     CC_O='-fr=$(@D)'
2105     as_default="${cross_prefix}gcc"
2106     ld_default="${cross_prefix}gcc"
2107     TMPO=$(basename $TMPC .c).o
2108     append TMPFILES $TMPO
2109     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2110     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2111     AS_DEPFLAGS='-MMD'
2112     speed_cflags='-O3 -mf=5'
2113     size_cflags='-O3 -mf=2'
2114     filter_cflags=tms470_flags
2115     tms470_flags(){
2116         for flag; do
2117             case $flag in
2118                 -march=*|-mcpu=*)
2119                     case "${flag#*=}" in
2120                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2121                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2122                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2123                         armv6*|arm11*)          echo -mv=6   ;;
2124                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2125                                                 echo -mv=5e  ;;
2126                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2127                     esac
2128                     ;;
2129                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2130                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2131                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2132                 -msoft-float)   echo --float_support=vfplib       ;;
2133                 -O[0-3]|-mf=*)  echo $flag                        ;;
2134                 -g)             echo -g -mn                       ;;
2135                 -pds=*)         echo $flag                        ;;
2136             esac
2137         done
2138     }
2139 elif $cc -v 2>&1 | grep -q clang; then
2140     cc_type=clang
2141     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2142         cc_version=__clang_version__ || cc_version=__VERSION__
2143     cc_ident=$($cc --version | head -n1)
2144     CC_DEPFLAGS='-MMD'
2145     AS_DEPFLAGS='-MMD'
2146     speed_cflags='-O3'
2147     size_cflags='-Os'
2148 elif $cc -V 2>&1 | grep -q Sun; then
2149     cc_type=suncc
2150     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2151     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2152     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2153     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2154     add_ldflags -xc99
2155     speed_cflags='-O5'
2156     size_cflags='-O5 -xspace'
2157     filter_cflags=suncc_flags
2158     suncc_flags(){
2159         for flag; do
2160             case $flag in
2161                 -march=*|-mcpu=*)
2162                     case "${flag#*=}" in
2163                         native)                   echo -xtarget=native       ;;
2164                         v9|niagara)               echo -xarch=sparc          ;;
2165                         ultrasparc)               echo -xarch=sparcvis       ;;
2166                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2167                         i586|pentium)             echo -xchip=pentium        ;;
2168                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2169                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2170                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2171                         pentium4*)          echo -xtarget=pentium4           ;;
2172                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2173                         *-sse3)             echo -xarch=sse3                 ;;
2174                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2175                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2176                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2177                         k8|opteron|athlon64|athlon-fx)
2178                                                   echo -xarch=sse2a          ;;
2179                         athlon*)                  echo -xarch=pentium_proa   ;;
2180                     esac
2181                     ;;
2182                 -std=c99)             echo -xc99              ;;
2183                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2184                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2185                 -W*,*)                echo $flag              ;;
2186                 -f*-*|-W*)                                    ;;
2187                 *)                    echo $flag              ;;
2188             esac
2189         done
2190     }
2191 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2192     cc_type=pathscale
2193     cc_version=__PATHSCALE__
2194     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2195     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2196     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2197     speed_cflags='-O2'
2198     size_cflags='-Os'
2199     filter_cflags='filter_out -Wdisabled-optimization'
2200 elif $cc -v 2>&1 | grep -q Open64; then
2201     cc_type=open64
2202     cc_version=__OPEN64__
2203     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2204     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2205     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2206     speed_cflags='-O2'
2207     size_cflags='-Os'
2208     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2209 fi
2210
2211 test -n "$cc_type" && enable $cc_type ||
2212     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2213
2214 : ${as_default:=$cc}
2215 : ${dep_cc_default:=$cc}
2216 : ${ld_default:=$cc}
2217 set_default ar as dep_cc ld
2218
2219 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2220 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2221 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2222
2223 add_cflags $extra_cflags
2224 add_cxxflags $extra_cxxflags
2225 add_asflags $extra_cflags
2226
2227 if test -n "$sysroot"; then
2228     case "$cc_type" in
2229         gcc|llvm_gcc|clang)
2230             add_cppflags --sysroot="$sysroot"
2231             add_ldflags --sysroot="$sysroot"
2232         ;;
2233         tms470)
2234             add_cppflags -I"$sysinclude"
2235             add_ldflags  --sysroot="$sysroot"
2236         ;;
2237     esac
2238 fi
2239
2240 if test "$cpu" = host; then
2241     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2242
2243     case "$cc_type" in
2244         gcc|llvm_gcc)
2245             check_native(){
2246                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2247                 sed -n "/cc1.*$1=/{
2248                             s/.*$1=\\([^ ]*\\).*/\\1/
2249                             p
2250                             q
2251                         }" $TMPE
2252             }
2253             cpu=$(check_native -march || check_native -mcpu)
2254         ;;
2255     esac
2256
2257     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2258 fi
2259
2260 # Deal with common $arch aliases
2261 case "$arch" in
2262     arm*)
2263         arch="arm"
2264     ;;
2265     mips|mipsel|IP*)
2266         arch="mips"
2267     ;;
2268     mips64*)
2269         arch="mips"
2270         subarch="mips64"
2271     ;;
2272     parisc|hppa)
2273         arch="parisc"
2274     ;;
2275     parisc64|hppa64)
2276         arch="parisc"
2277         subarch="parisc64"
2278     ;;
2279     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2280         arch="ppc"
2281     ;;
2282     s390|s390x)
2283         arch="s390"
2284     ;;
2285     sh4|sh)
2286         arch="sh4"
2287     ;;
2288     sun4u|sparc64)
2289         arch="sparc"
2290         subarch="sparc64"
2291     ;;
2292     i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2293         arch="x86"
2294     ;;
2295 esac
2296
2297 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2298 enable $arch
2299
2300 # Add processor-specific flags
2301 if test "$cpu" = generic; then
2302     : do nothing
2303 elif enabled ppc; then
2304
2305     case $(tolower $cpu) in
2306         601|ppc601|powerpc601)
2307             cpuflags="-mcpu=601"
2308             disable altivec
2309         ;;
2310         603*|ppc603*|powerpc603*)
2311             cpuflags="-mcpu=603"
2312             disable altivec
2313         ;;
2314         604*|ppc604*|powerpc604*)
2315             cpuflags="-mcpu=604"
2316             disable altivec
2317         ;;
2318         g3|75*|ppc75*|powerpc75*)
2319             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2320             disable altivec
2321         ;;
2322         g4|745*|ppc745*|powerpc745*)
2323             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2324         ;;
2325         74*|ppc74*|powerpc74*)
2326             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2327         ;;
2328         g5|970|ppc970|powerpc970|power4*)
2329             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2330         ;;
2331         cell)
2332             cpuflags="-mcpu=cell"
2333             enable ldbrx
2334         ;;
2335         e500v2)
2336             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2337             disable altivec
2338         ;;
2339         e500)
2340             cpuflags="-mcpu=8540 -mhard-float"
2341             disable altivec
2342         ;;
2343     esac
2344
2345 elif enabled x86; then
2346
2347     case $cpu in
2348         i[345]86|pentium)
2349             cpuflags="-march=$cpu"
2350             disable mmx
2351         ;;
2352         # targets that do NOT support conditional mov (cmov)
2353         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2354             cpuflags="-march=$cpu"
2355             disable cmov
2356         ;;
2357         # targets that do support conditional mov (cmov)
2358         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2359             cpuflags="-march=$cpu"
2360             enable cmov
2361             enable fast_cmov
2362         ;;
2363         # targets that do support conditional mov but on which it's slow
2364         pentium4|pentium4m|prescott|nocona)
2365             cpuflags="-march=$cpu"
2366             enable cmov
2367             disable fast_cmov
2368         ;;
2369     esac
2370
2371 elif enabled sparc; then
2372
2373     case $cpu in
2374         niagara)
2375             cpuflags="-mcpu=$cpu"
2376             disable vis
2377         ;;
2378         sparc64)
2379             cpuflags="-mcpu=v9"
2380         ;;
2381     esac
2382
2383 elif enabled arm; then
2384
2385     case $cpu in
2386         armv*)
2387             cpuflags="-march=$cpu"
2388             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2389         ;;
2390         *)
2391             cpuflags="-mcpu=$cpu"
2392             case $cpu in
2393                 cortex-a*)                               subarch=armv7a  ;;
2394                 cortex-r*)                               subarch=armv7r  ;;
2395                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2396                 arm11*)                                  subarch=armv6   ;;
2397                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2398                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2399             esac
2400         ;;
2401     esac
2402
2403 elif enabled alpha; then
2404
2405     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2406
2407 elif enabled bfin; then
2408
2409     cpuflags="-mcpu=$cpu"
2410
2411 elif enabled mips; then
2412
2413     cpuflags="-march=$cpu"
2414
2415 elif enabled avr32; then
2416
2417     case $cpu in
2418         ap7[02]0[0-2])
2419             subarch="avr32_ap"
2420             cpuflags="-mpart=$cpu"
2421         ;;
2422         ap)
2423             subarch="avr32_ap"
2424             cpuflags="-march=$cpu"
2425         ;;
2426         uc3[ab]*)
2427             subarch="avr32_uc"
2428             cpuflags="-mcpu=$cpu"
2429         ;;
2430         uc)
2431             subarch="avr32_uc"
2432             cpuflags="-march=$cpu"
2433         ;;
2434     esac
2435
2436 fi
2437
2438 add_cflags $cpuflags
2439 add_asflags $cpuflags
2440
2441 # compiler sanity check
2442 check_exec <<EOF
2443 int main(void){ return 0; }
2444 EOF
2445 if test "$?" != 0; then
2446     echo "$cc is unable to create an executable file."
2447     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2448         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2449         echo "Only do this if you know what cross compiling means."
2450     fi
2451     die "C compiler test failed."
2452 fi
2453
2454 add_cppflags -D_ISOC99_SOURCE
2455 add_cxxflags -D__STDC_CONSTANT_MACROS
2456 check_cflags -std=c99
2457 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2458 #include <stdlib.h>
2459 EOF
2460 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2461 #include <stdlib.h>
2462 EOF
2463
2464 check_host_cflags -std=c99
2465 check_host_cflags -Wall
2466
2467 case "$arch" in
2468     alpha|ia64|mips|parisc|sparc)
2469         spic=$shared
2470     ;;
2471     x86)
2472         subarch="x86_32"
2473         check_cc <<EOF && subarch="x86_64"
2474         int test[(int)sizeof(char*) - 7];
2475 EOF
2476         if test "$subarch" = "x86_64"; then
2477             spic=$shared
2478         fi
2479     ;;
2480     ppc)
2481         check_cc <<EOF && subarch="ppc64"
2482         int test[(int)sizeof(char*) - 7];
2483 EOF
2484     ;;
2485 esac
2486
2487 enable $subarch
2488 enabled spic && enable pic
2489
2490 # OS specific
2491 case $target_os in
2492     haiku)
2493         prefix_default="/boot/common"
2494         network_extralibs="-lnetwork"
2495         host_libs=
2496         ;;
2497     sunos)
2498         FFSERVERLDFLAGS=""
2499         SHFLAGS='-shared -Wl,-h,$$(@F)'
2500         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2501         network_extralibs="-lsocket -lnsl"
2502         add_cppflags -D__EXTENSIONS__
2503         # When using suncc to build, the Solaris linker will mark
2504         # an executable with each instruction set encountered by
2505         # the Solaris assembler.  As our libraries contain their own
2506         # guards for processor-specific code, instead suppress
2507         # generation of the HWCAPS ELF section on Solaris x86 only.
2508         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2509         nm_opts='-P -g'
2510         ;;
2511     netbsd)
2512         disable symver
2513         oss_indev_extralibs="-lossaudio"
2514         oss_outdev_extralibs="-lossaudio"
2515         ;;
2516     openbsd)
2517         enable malloc_aligned
2518         # On OpenBSD 4.5. the compiler does not use PIC unless
2519         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2520         # however the generated executable will not do anything
2521         # (simply quits with exit-code 1, no crash, no output).
2522         # Thus explicitly enable PIC here.
2523         enable pic
2524         disable symver
2525         SHFLAGS='-shared'
2526         oss_indev_extralibs="-lossaudio"
2527         oss_outdev_extralibs="-lossaudio"
2528         ;;
2529     dragonfly)
2530         enable malloc_aligned
2531         disable symver
2532         ;;
2533     freebsd)
2534         enable malloc_aligned
2535         ;;
2536     bsd/os)
2537         add_extralibs -lpoll -lgnugetopt
2538         strip="strip -d"
2539         ;;
2540     darwin)
2541         enable malloc_aligned
2542         gas="gas-preprocessor.pl $cc"
2543         enabled ppc && add_asflags -force_cpusubtype_ALL
2544         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2545         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2546         strip="${strip} -x"
2547         add_ldflags -Wl,-dynamic,-search_paths_first
2548         SLIBSUF=".dylib"
2549         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2550         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2551         FFSERVERLDFLAGS=-Wl,-bind_at_load
2552         objformat="macho"
2553         enabled x86_64 && objformat="macho64"
2554         enabled_any pic shared ||
2555             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2556         ;;
2557     mingw32*)
2558         if test $target_os = "mingw32ce"; then
2559             disable network
2560         else
2561             target_os=mingw32
2562         fi
2563         LIBTARGET=i386
2564         if enabled x86_64; then
2565             enable malloc_aligned
2566             LIBTARGET=x64
2567         elif enabled arm; then
2568             LIBTARGET=arm-wince
2569         fi
2570         shlibdir_default="$bindir_default"
2571         SLIBPREF=""
2572         SLIBSUF=".dll"
2573         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2574         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2575         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2576         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2577         SLIB_INSTALL_LINKS=
2578         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2579         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2580         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'
2581         objformat="win32"
2582         enable dos_paths
2583         check_cflags -fno-common
2584         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2585                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2586                 die "ERROR: MinGW runtime version must be >= 3.15."
2587         add_cppflags -U__STRICT_ANSI__
2588         ;;
2589     cygwin*)
2590         target_os=cygwin
2591         shlibdir_default="$bindir_default"
2592         SLIBPREF="cyg"
2593         SLIBSUF=".dll"
2594         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2595         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2596         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2597         objformat="win32"
2598         enable dos_paths
2599         check_cflags -fno-common
2600         add_cppflags -U__STRICT_ANSI__
2601         ;;
2602     *-dos|freedos|opendos)
2603         network_extralibs="-lsocket"
2604         objformat="coff"
2605         enable dos_paths
2606         add_cppflags -U__STRICT_ANSI__
2607         ;;
2608     linux)
2609         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2610         enable dv1394
2611         ;;
2612     irix*)
2613         target_os=irix
2614         ranlib="echo ignoring ranlib"
2615         ;;
2616     os/2*)
2617         strip="lxlite -CS"
2618         ln_s="cp -f"
2619         objformat="aout"
2620         add_cppflags -D_GNU_SOURCE
2621         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2622         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2623         FFSERVERLDFLAGS=""
2624         LIBSUF="_s.a"
2625         SLIBPREF=""
2626         SLIBSUF=".dll"
2627         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2628         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2629         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2630           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2631           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2632           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2633           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2634           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2635         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2636           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2637         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2638         enable dos_paths
2639         ;;
2640     gnu/kfreebsd)
2641         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2642         ;;
2643     gnu)
2644         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2645         ;;
2646     qnx)
2647         add_cppflags -D_QNX_SOURCE
2648         network_extralibs="-lsocket"
2649         ;;
2650     symbian)
2651         SLIBSUF=".dll"
2652         enable dos_paths
2653         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2654         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2655         add_ldflags -Wl,--target1-abs,--no-undefined \
2656                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2657                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2658         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2659                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2660                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2661         ;;
2662     none)
2663         ;;
2664     *)
2665         die "Unknown OS '$target_os'."
2666         ;;
2667 esac
2668
2669 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2670
2671 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2672
2673 set_default $PATHS_LIST
2674
2675 # we need to build at least one lib type
2676 if ! enabled_any static shared; then
2677     cat <<EOF
2678 At least one library type must be built.
2679 Specify --enable-static to build the static libraries or --enable-shared to
2680 build the shared libraries as well. To only build the shared libraries specify
2681 --disable-static in addition to --enable-shared.
2682 EOF
2683     exit 1;
2684 fi
2685
2686 die_license_disabled() {
2687     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2688 }
2689
2690 die_license_disabled gpl libcdio
2691 die_license_disabled gpl libx264
2692 die_license_disabled gpl libxavs
2693 die_license_disabled gpl libxvid
2694 die_license_disabled gpl x11grab
2695
2696 die_license_disabled nonfree libaacplus
2697 die_license_disabled nonfree libfaac
2698
2699 die_license_disabled version3 libopencore_amrnb
2700 die_license_disabled version3 libopencore_amrwb
2701 die_license_disabled version3 libvo_aacenc
2702 die_license_disabled version3 libvo_amrwbenc
2703
2704 ! enabled gpl && enabled version2 && die "LGPLv2 mode is unsupported"
2705 enabled version3 && enabled version2 && ! enabled nonfree && die "GPLv2 (not v2+) and GPLv3 without --enable-nonfree"
2706
2707 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2708 enabled version2 && enabled gpl && enable gplv2
2709
2710 disabled optimizations || check_cflags -fomit-frame-pointer
2711
2712 enable_pic() {
2713     enable pic
2714     add_cppflags -DPIC
2715     add_cflags   -fPIC
2716     add_asflags  -fPIC
2717 }
2718
2719 enabled pic && enable_pic
2720
2721 check_cc <<EOF || die "Symbol mangling check failed."
2722 int ff_extern;
2723 EOF
2724 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2725 extern_prefix=${sym%%ff_extern*}
2726
2727 check_cc <<EOF && enable inline_asm
2728 void foo(void) { __asm__ volatile ("" ::); }
2729 EOF
2730
2731 _restrict=
2732 for restrict_keyword in restrict __restrict__ __restrict; do
2733     check_cc <<EOF && _restrict=$restrict_keyword && break
2734 void foo(char * $restrict_keyword p);
2735 EOF
2736 done
2737
2738 check_cc <<EOF && enable attribute_packed
2739 struct { int x; } __attribute__((packed)) x;
2740 EOF
2741
2742 check_cc <<EOF && enable attribute_may_alias
2743 union { int x; } __attribute__((may_alias)) x;
2744 EOF
2745
2746 check_cc <<EOF || die "endian test failed"
2747 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2748 EOF
2749 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2750
2751 if enabled alpha; then
2752
2753     check_cflags -mieee
2754
2755 elif enabled arm; then
2756
2757     enabled thumb && check_cflags -mthumb || check_cflags -marm
2758     nogas=die
2759
2760     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2761         enable vfp_args
2762     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2763         case "${cross_prefix:-$cc}" in
2764             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2765             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2766 __asm__ (".eabi_attribute 28, 1");
2767 int main(void) { return 0; }
2768 EOF
2769         esac
2770         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2771     fi
2772
2773     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2774     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2775     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2776     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2777     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2778     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2779     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2780
2781     enabled_all armv6t2 shared !pic && enable_pic
2782
2783 elif enabled mips; then
2784
2785     check_asm loongson '"dmult.g $1, $2, $3"'
2786     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2787
2788 elif enabled ppc; then
2789
2790     enable local_aligned_8 local_aligned_16
2791
2792     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2793     check_asm ibm_asm   '"add 0, 0, 0"'
2794     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2795     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2796
2797     # AltiVec flags: The FSF version of GCC differs from the Apple version
2798     if enabled altivec; then
2799         nogas=warn
2800         check_cflags -maltivec -mabi=altivec &&
2801         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2802         check_cflags -faltivec
2803
2804         # check if our compiler supports Motorola AltiVec C API
2805         check_cc <<EOF || disable altivec
2806 $inc_altivec_h
2807 int main(void) {
2808     vector signed int v1, v2, v3;
2809     v1 = vec_add(v2,v3);
2810     return 0;
2811 }
2812 EOF
2813
2814         # check if our compiler supports braces for vector declarations
2815         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2816 $inc_altivec_h
2817 int main (void) { (vector int) {1}; return 0; }
2818 EOF
2819     fi
2820
2821 elif enabled sparc; then
2822
2823     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2824         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2825
2826 elif enabled x86; then
2827
2828     enable local_aligned_8 local_aligned_16
2829
2830     # check whether EBP is available on x86
2831     # As 'i' is stored on the stack, this program will crash
2832     # if the base pointer is used to access it because the
2833     # base pointer is cleared in the inline assembly code.
2834     check_exec_crash <<EOF && enable ebp_available
2835     volatile int i=0;
2836     __asm__ volatile (
2837         "xorl %%ebp, %%ebp"
2838     ::: "%ebp");
2839     return i;
2840 EOF
2841
2842     # check whether EBX is available on x86
2843     check_asm ebx_available '""::"b"(0)' &&
2844         check_asm ebx_available '"":::"%ebx"'
2845
2846     # check whether xmm clobbers are supported
2847     check_asm xmm_clobbers '"":::"%xmm0"'
2848
2849     # check whether binutils is new enough to compile SSSE3/MMX2
2850     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2851     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2852
2853     check_asm bswap '"bswap %%eax" ::: "%eax"'
2854
2855     if ! disabled_any asm mmx yasm; then
2856         if check_cmd $yasmexe --version; then
2857             enabled x86_64 && yasm_extra="-m amd64"
2858             yasm_debug="-g dwarf2"
2859         elif check_cmd nasm -v; then
2860             yasmexe=nasm
2861             yasm_debug="-g -F dwarf"
2862             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2863         fi
2864
2865         YASMFLAGS="-f $objformat $yasm_extra"
2866         enabled pic               && append YASMFLAGS "-DPIC"
2867         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2868         case "$objformat" in
2869             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2870         esac
2871
2872         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2873             die "yasm not found, use --disable-yasm for a crippled build"
2874         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2875     fi
2876
2877     case "$cpu" in
2878         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2879             disable fast_clz
2880         ;;
2881     esac
2882
2883 fi
2884
2885 if enabled asm; then
2886     as=${gas:=$as}
2887     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2888         $nogas "GNU assembler not found, install gas-preprocessor"
2889 fi
2890
2891 check_ldflags -Wl,--as-needed
2892
2893 if check_func dlopen; then
2894     ldl=
2895 elif check_func dlopen -ldl; then
2896     ldl=-ldl
2897 fi
2898
2899 if enabled network; then
2900     check_type "sys/types.h sys/socket.h" socklen_t
2901     check_type netdb.h "struct addrinfo"
2902     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2903     check_type netinet/in.h "struct sockaddr_in6"
2904     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2905     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2906     # Prefer arpa/inet.h over winsock2
2907     if check_header arpa/inet.h ; then
2908         check_func closesocket
2909     elif check_header winsock2.h ; then
2910         check_func_headers winsock2.h closesocket -lws2 && \
2911             network_extralibs="-lws2" || \
2912         { check_func_headers winsock2.h closesocket -lws2_32 && \
2913             network_extralibs="-lws2_32"; }
2914         check_type ws2tcpip.h socklen_t
2915         check_type ws2tcpip.h "struct addrinfo"
2916         check_type ws2tcpip.h "struct ipv6_mreq"
2917         check_type ws2tcpip.h "struct sockaddr_in6"
2918         check_type ws2tcpip.h "struct sockaddr_storage"
2919         check_struct winsock2.h "struct sockaddr" sa_len
2920     else
2921         disable network
2922     fi
2923 fi
2924
2925 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2926 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2927
2928 check_func  fcntl
2929 check_func  fork
2930 check_func  getaddrinfo $network_extralibs
2931 check_func  gethrtime
2932 check_func  getrusage
2933 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2934 check_func  inet_aton $network_extralibs
2935 check_func  isatty
2936 check_func  localtime_r
2937 check_func  ${malloc_prefix}memalign            && enable memalign
2938 check_func  mkstemp
2939 check_func  mmap
2940 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2941 check_func  setrlimit
2942 check_func  strerror_r
2943 check_func  strptime
2944 check_func  strtok_r
2945 check_func_headers conio.h kbhit
2946 check_func_headers windows.h PeekNamedPipe
2947 check_func_headers io.h setmode
2948 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2949 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2950 check_func_headers windows.h GetProcessTimes
2951 check_func_headers windows.h MapViewOfFile
2952 check_func_headers windows.h VirtualAlloc
2953
2954 check_header dlfcn.h
2955 check_header dxva2api.h -D_WIN32_WINNT=0x0600
2956 check_header libcrystalhd/libcrystalhd_if.h
2957 check_header malloc.h
2958 check_header poll.h
2959 check_header sys/mman.h
2960 check_header sys/resource.h
2961 check_header sys/select.h
2962 check_header termios.h
2963 check_header vdpau/vdpau.h
2964 check_header vdpau/vdpau_x11.h
2965 check_header X11/extensions/XvMClib.h
2966
2967 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2968 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2969
2970 # check for some common methods of building with pthread support
2971 # do this before the optional library checks as some of them require pthreads
2972 if ! disabled pthreads && ! enabled w32threads; then
2973     enable pthreads
2974     if check_func pthread_create; then
2975         :
2976     elif check_func pthread_create -pthread; then
2977         add_cflags -pthread
2978         add_extralibs -pthread
2979     elif check_func pthread_create -pthreads; then
2980         add_cflags -pthreads
2981         add_extralibs -pthreads
2982     elif check_func pthread_create -lpthreadGC2; then
2983         add_extralibs -lpthreadGC2
2984     elif ! check_lib pthread.h pthread_create -lpthread; then
2985         disable pthreads
2986     fi
2987 fi
2988
2989 for thread in $THREADS_LIST; do
2990     if enabled $thread; then
2991         test -n "$thread_type" &&
2992             die "ERROR: Only one thread type must be selected." ||
2993             thread_type="$thread"
2994     fi
2995 done
2996
2997 check_lib math.h sin -lm && LIBM="-lm"
2998 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
2999 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3000
3001 check_mathfunc exp2
3002 check_mathfunc exp2f
3003 check_mathfunc llrint
3004 check_mathfunc llrintf
3005 check_mathfunc log2
3006 check_mathfunc log2f
3007 check_mathfunc lrint
3008 check_mathfunc lrintf
3009 check_mathfunc round
3010 check_mathfunc roundf
3011 check_mathfunc trunc
3012 check_mathfunc truncf
3013
3014 # these are off by default, so fail if requested and not available
3015 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3016 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0
3017 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3018 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3019 enabled libdc1394  && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
3020 enabled libdirac   && require_pkg_config dirac                          \
3021     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
3022     "dirac_decoder_init dirac_encoder_init"
3023 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3024 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3025 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3026 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3027 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3028 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3029 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3030 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3031 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3032 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3033 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3034 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3035 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3036     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3037     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3038 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3039 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3040 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3041 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3042 enabled libvpx     && {
3043     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3044                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3045     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3046                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3047 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3048                       { check_cpp_condition x264.h "X264_BUILD >= 115" ||
3049                         die "ERROR: libx264 version must be >= 0.115."; }
3050 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3051 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3052 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3053                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3054                         die "ERROR: openal not found"; } &&
3055                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3056                         die "ERROR: openal version must be 1.1 or compatible"; }
3057 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
3058
3059 SDL_CONFIG="${cross_prefix}sdl-config"
3060 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3061     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3062     enable sdl &&
3063     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3064 else
3065   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3066     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3067     sdl_libs=$("${SDL_CONFIG}" --libs)
3068     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3069     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3070     enable sdl &&
3071     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3072   fi
3073 fi
3074 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3075
3076 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3077
3078 check_header linux/fb.h
3079 check_header linux/videodev.h
3080 check_header linux/videodev2.h
3081 check_header sys/videoio.h
3082
3083 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3084 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3085 # w32api 3.12 had it defined wrong
3086 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3087
3088 check_type "dshow.h" IBaseFilter
3089
3090 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3091 { check_header dev/bktr/ioctl_meteor.h &&
3092   check_header dev/bktr/ioctl_bt848.h; } ||
3093 { check_header machine/ioctl_meteor.h &&
3094   check_header machine/ioctl_bt848.h; } ||
3095 { check_header dev/video/meteor/ioctl_meteor.h &&
3096   check_header dev/video/bktr/ioctl_bt848.h; } ||
3097 check_header dev/ic/bt8xx.h
3098
3099 check_header sndio.h
3100 if check_struct sys/soundcard.h audio_buf_info bytes; then
3101     enable_safe sys/soundcard.h
3102 else
3103     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3104     #include <sys/soundcard.h>
3105     audio_buf_info abc;
3106 EOF
3107 fi
3108 check_header soundcard.h
3109
3110 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3111
3112 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3113
3114 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3115
3116 enabled libcdio &&
3117     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3118
3119 enabled x11grab                         &&
3120 check_header X11/Xlib.h                 &&
3121 check_header X11/extensions/XShm.h      &&
3122 check_header X11/extensions/Xfixes.h    &&
3123 check_func XOpenDisplay -lX11           &&
3124 check_func XShmCreateImage -lX11 -lXext &&
3125 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3126
3127 if ! disabled vaapi; then
3128     check_lib va/va.h vaInitialize -lva && {
3129         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3130         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3131     } || disable vaapi
3132 fi
3133
3134 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3135 check_cpp_condition \
3136     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3137     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3138       disable vdpau; }
3139 fi
3140
3141 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3142
3143 # add some useful compiler flags if supported
3144 check_cflags -Wdeclaration-after-statement
3145 check_cflags -Wall
3146 check_cflags -Wno-parentheses
3147 check_cflags -Wno-switch
3148 check_cflags -Wno-format-zero-length
3149 check_cflags -Wdisabled-optimization
3150 check_cflags -Wpointer-arith
3151 check_cflags -Wredundant-decls
3152 check_cflags -Wno-pointer-sign
3153 check_cflags -Wcast-qual
3154 check_cflags -Wwrite-strings
3155 check_cflags -Wtype-limits
3156 check_cflags -Wundef
3157 check_cflags -Wmissing-prototypes
3158 check_cflags -Wno-pointer-to-int-cast
3159 enabled extra_warnings && check_cflags -Winline
3160
3161 # add some linker flags
3162 check_ldflags -Wl,--warn-common
3163 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3164 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3165
3166 echo "X{};" > $TMPV
3167 if test_ldflags -Wl,--version-script,$TMPV; then
3168     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3169     check_cc <<EOF && enable symver_asm_label
3170 void ff_foo(void) __asm__ ("av_foo@VERSION");
3171 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3172 EOF
3173     check_cc <<EOF && enable symver_gnu_asm
3174 __asm__(".symver ff_foo,av_foo@VERSION");
3175 void ff_foo(void) {}
3176 EOF
3177 fi
3178
3179 if [ -n "$optflags" ]; then
3180     add_cflags $optflags
3181 elif enabled small; then
3182     add_cflags $size_cflags
3183 elif enabled optimizations; then
3184     add_cflags $speed_cflags
3185 else
3186     add_cflags $noopt_cflags
3187 fi
3188 check_cflags -fno-math-errno
3189 check_cflags -fno-signed-zeros
3190 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3191 int x;
3192 EOF
3193
3194
3195 if enabled icc; then
3196     # Just warnings, no remarks
3197     check_cflags -w1
3198     # -wd: Disable following warnings
3199     # 144, 167, 556: -Wno-pointer-sign
3200     # 1292: attribute "foo" ignored
3201     # 10006: ignoring unknown option -fno-signed-zeros
3202     # 10148: ignoring unknown option -Wno-parentheses
3203     # 10156: ignoring option '-W'; no argument required
3204     check_cflags -wd144,167,556,1292,10006,10148,10156
3205     # 11030: Warning unknown option --as-needed
3206     # 10156: ignoring option '-export'; no argument required
3207     check_ldflags -wd10156,11030
3208     # Allow to compile with optimizations
3209     check_ldflags -march=$cpu
3210     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3211     enable ebp_available
3212     if enabled x86_32; then
3213         test ${icc_version%%.*} -ge 11 && \
3214             check_cflags -falign-stack=maintain-16-byte || \
3215             disable aligned_stack
3216     fi
3217 elif enabled ccc; then
3218     # disable some annoying warnings
3219     add_cflags -msg_disable cvtu32to64
3220     add_cflags -msg_disable embedcomment
3221     add_cflags -msg_disable needconstext
3222     add_cflags -msg_disable nomainieee
3223     add_cflags -msg_disable ptrmismatch1
3224     add_cflags -msg_disable unreachcode
3225 elif enabled gcc; then
3226     check_cflags -fno-tree-vectorize
3227     check_cflags -Werror=implicit-function-declaration
3228     check_cflags -Werror=missing-prototypes
3229 elif enabled llvm_gcc; then
3230     check_cflags -mllvm -stack-alignment=16
3231 elif enabled clang; then
3232     check_cflags -mllvm -stack-alignment=16
3233     check_cflags -Qunused-arguments
3234 elif enabled armcc; then
3235     # 2523: use of inline assembler is deprecated
3236     add_cflags -W${armcc_opt},--diag_suppress=2523
3237     add_cflags -W${armcc_opt},--diag_suppress=1207
3238     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3239     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3240     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3241     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3242 elif enabled tms470; then
3243     add_cflags -pds=824 -pds=837
3244 elif enabled pathscale; then
3245     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3246 fi
3247
3248 enabled_any $THREADS_LIST      && enable threads
3249
3250 check_deps $CONFIG_LIST       \
3251            $CONFIG_EXTRA      \
3252            $HAVE_LIST         \
3253            $DECODER_LIST      \
3254            $ENCODER_LIST      \
3255            $HWACCEL_LIST      \
3256            $PARSER_LIST       \
3257            $BSF_LIST          \
3258            $DEMUXER_LIST      \
3259            $MUXER_LIST        \
3260            $FILTER_LIST       \
3261            $INDEV_LIST        \
3262            $OUTDEV_LIST       \
3263            $PROTOCOL_LIST     \
3264            $ACODEC_TESTS      \
3265            $VCODEC_TESTS      \
3266            $LAVF_TESTS        \
3267            $LAVFI_TESTS       \
3268            $SEEK_TESTS        \
3269
3270 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3271
3272 if test $target_os == "haiku"; then
3273     disable memalign
3274     disable posix_memalign
3275 fi
3276
3277 ! enabled_any memalign posix_memalign malloc_aligned &&
3278     enabled_any $need_memalign && enable memalign_hack
3279
3280 echo "install prefix            $prefix"
3281 echo "source path               $source_path"
3282 echo "C compiler                $cc"
3283 echo "ARCH                      $arch ($cpu)"
3284 if test "$build_suffix" != ""; then
3285     echo "build suffix              $build_suffix"
3286 fi
3287 if test "$progs_suffix" != ""; then
3288     echo "progs suffix              $progs_suffix"
3289 fi
3290 if test "$extra_version" != ""; then
3291     echo "version string suffix     $extra_version"
3292 fi
3293 echo "big-endian                ${bigendian-no}"
3294 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3295 if enabled x86; then
3296     echo "${yasmexe}                      ${yasm-no}"
3297     echo "MMX enabled               ${mmx-no}"
3298     echo "MMX2 enabled              ${mmx2-no}"
3299     echo "3DNow! enabled            ${amd3dnow-no}"
3300     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3301     echo "SSE enabled               ${sse-no}"
3302     echo "SSSE3 enabled             ${ssse3-no}"
3303     echo "AVX enabled               ${avx-no}"
3304     echo "CMOV enabled              ${cmov-no}"
3305     echo "CMOV is fast              ${fast_cmov-no}"
3306     echo "EBX available             ${ebx_available-no}"
3307     echo "EBP available             ${ebp_available-no}"
3308 fi
3309 if enabled arm; then
3310     echo "ARMv5TE enabled           ${armv5te-no}"
3311     echo "ARMv6 enabled             ${armv6-no}"
3312     echo "ARMv6T2 enabled           ${armv6t2-no}"
3313     echo "ARM VFP enabled           ${armvfp-no}"
3314     echo "IWMMXT enabled            ${iwmmxt-no}"
3315     echo "NEON enabled              ${neon-no}"
3316 fi
3317 if enabled mips; then
3318     echo "MMI enabled               ${mmi-no}"
3319 fi
3320 if enabled ppc; then
3321     echo "AltiVec enabled           ${altivec-no}"
3322     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3323     echo "dcbzl available           ${dcbzl-no}"
3324 fi
3325 if enabled sparc; then
3326     echo "VIS enabled               ${vis-no}"
3327 fi
3328 echo "debug symbols             ${debug-no}"
3329 echo "strip symbols             ${stripping-no}"
3330 echo "optimize for size         ${small-no}"
3331 echo "optimizations             ${optimizations-no}"
3332 echo "static                    ${static-no}"
3333 echo "shared                    ${shared-no}"
3334 echo "postprocessing support    ${postproc-no}"
3335 echo "new filter support        ${avfilter-no}"
3336 echo "network support           ${network-no}"
3337 echo "threading support         ${thread_type-no}"
3338 echo "SDL support               ${sdl-no}"
3339 echo "Sun medialib support      ${mlib-no}"
3340 echo "libdxva2 enabled          ${dxva2-no}"
3341 echo "libva enabled             ${vaapi-no}"
3342 echo "libvdpau enabled          ${vdpau-no}"
3343 echo "AVISynth enabled          ${avisynth-no}"
3344 echo "libcelt enabled           ${libcelt-no}"
3345 echo "frei0r enabled            ${frei0r-no}"
3346 echo "libcdio support           ${libcdio-no}"
3347 echo "libdc1394 support         ${libdc1394-no}"
3348 echo "libdirac enabled          ${libdirac-no}"
3349 echo "libfaac enabled           ${libfaac-no}"
3350 echo "libaacplus enabled        ${libaacplus-no}"
3351 echo "libgsm enabled            ${libgsm-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 "libvo-aacenc support      ${libvo_aacenc-no}"
3364 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3365 echo "libvorbis enabled         ${libvorbis-no}"
3366 echo "libvpx enabled            ${libvpx-no}"
3367 echo "libx264 enabled           ${libx264-no}"
3368 echo "libxavs enabled           ${libxavs-no}"
3369 echo "libxvid enabled           ${libxvid-no}"
3370 echo "openal enabled            ${openal-no}"
3371 echo "zlib enabled              ${zlib-no}"
3372 echo "bzlib enabled             ${bzlib-no}"
3373 echo
3374
3375 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3376     echo "Enabled ${type}s:"
3377     eval list=\$$(toupper $type)_LIST
3378     print_enabled '_*' $list | sort | pr -r -3 -t
3379     echo
3380 done
3381
3382 license="LGPL version 2.1 or later"
3383 if enabled nonfree; then
3384     license="nonfree and unredistributable"
3385 elif enabled gplv3; then
3386     license="GPL version 3 or later"
3387 elif enabled gplv2; then
3388     license="GPL version 2"
3389 elif enabled lgplv3; then
3390     license="LGPL version 3 or later"
3391 elif enabled gpl; then
3392     license="GPL version 2 or later"
3393 fi
3394
3395 echo "License: $license"
3396
3397 echo "Creating config.mak and config.h..."
3398
3399 test -e Makefile || $ln_s "$source_path/Makefile" .
3400
3401 enabled stripping || strip="echo skipping strip"
3402
3403 config_files="$TMPH config.mak"
3404
3405 cat > config.mak <<EOF
3406 # Automatically generated by configure - do not modify!
3407 ifndef FFMPEG_CONFIG_MAK
3408 FFMPEG_CONFIG_MAK=1
3409 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3410 prefix=$prefix
3411 LIBDIR=\$(DESTDIR)$libdir
3412 SHLIBDIR=\$(DESTDIR)$shlibdir
3413 INCDIR=\$(DESTDIR)$incdir
3414 BINDIR=\$(DESTDIR)$bindir
3415 DATADIR=\$(DESTDIR)$datadir
3416 MANDIR=\$(DESTDIR)$mandir
3417 SRC_PATH=$source_path
3418 ifndef MAIN_MAKEFILE
3419 SRC_PATH:=\$(SRC_PATH:.%=..%)
3420 endif
3421 CC_IDENT=$cc_ident
3422 ARCH=$arch
3423 CC=$cc
3424 CXX=$cxx
3425 AS=$as
3426 LD=$ld
3427 DEPCC=$dep_cc
3428 YASM=$yasmexe
3429 YASMDEP=$yasmexe
3430 AR=$ar
3431 RANLIB=$ranlib
3432 CP=cp -p
3433 LN_S=$ln_s
3434 STRIP=$strip
3435 CPPFLAGS=$CPPFLAGS
3436 CFLAGS=$CFLAGS
3437 CXXFLAGS=$CXXFLAGS
3438 ASFLAGS=$ASFLAGS
3439 AS_O=$CC_O
3440 CC_O=$CC_O
3441 CXX_O=$CXX_O
3442 LDFLAGS=$LDFLAGS
3443 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3444 SHFLAGS=$SHFLAGS
3445 YASMFLAGS=$YASMFLAGS
3446 BUILDSUF=$build_suffix
3447 PROGSSUF=$progs_suffix
3448 FULLNAME=$FULLNAME
3449 LIBPREF=$LIBPREF
3450 LIBSUF=$LIBSUF
3451 LIBNAME=$LIBNAME
3452 SLIBPREF=$SLIBPREF
3453 SLIBSUF=$SLIBSUF
3454 EXESUF=$EXESUF
3455 EXTRA_VERSION=$extra_version
3456 DEPFLAGS=$DEPFLAGS
3457 CCDEP=$CCDEP
3458 CXXDEP=$CXXDEP
3459 ASDEP=$ASDEP
3460 CC_DEPFLAGS=$CC_DEPFLAGS
3461 AS_DEPFLAGS=$AS_DEPFLAGS
3462 HOSTCC=$host_cc
3463 HOSTCFLAGS=$host_cflags
3464 HOSTEXESUF=$HOSTEXESUF
3465 HOSTLDFLAGS=$host_ldflags
3466 HOSTLIBS=$host_libs
3467 TARGET_EXEC=$target_exec
3468 TARGET_PATH=$target_path
3469 SDL_LIBS=$sdl_libs
3470 SDL_CFLAGS=$sdl_cflags
3471 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3472 EXTRALIBS=$extralibs
3473 INSTALL=$install
3474 LIBTARGET=${LIBTARGET}
3475 SLIBNAME=${SLIBNAME}
3476 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3477 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3478 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3479 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3480 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3481 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3482 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3483 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3484 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3485 NOREDZONE_FLAGS=$noredzone_flags
3486 EOF
3487
3488 get_version(){
3489     name=$1
3490     file=$source_path/$2
3491     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3492     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3493     lcname=$(tolower $name)
3494     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3495     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3496 }
3497
3498 get_version LIBSWSCALE  libswscale/swscale.h
3499 get_version LIBSWRESAMPLE libswresample/swresample.h
3500 get_version LIBPOSTPROC libpostproc/postprocess.h
3501 get_version LIBAVCODEC  libavcodec/version.h
3502 get_version LIBAVDEVICE libavdevice/avdevice.h
3503 get_version LIBAVFORMAT libavformat/version.h
3504 get_version LIBAVUTIL   libavutil/avutil.h
3505 get_version LIBAVFILTER libavfilter/avfilter.h
3506
3507 cat > $TMPH <<EOF
3508 /* Automatically generated by configure - do not modify! */
3509 #ifndef FFMPEG_CONFIG_H
3510 #define FFMPEG_CONFIG_H
3511 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3512 #define FFMPEG_LICENSE "$(c_escape $license)"
3513 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3514 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3515 #define CC_TYPE "$cc_type"
3516 #define CC_VERSION $cc_version
3517 #define restrict $_restrict
3518 #define EXTERN_PREFIX "${extern_prefix}"
3519 #define EXTERN_ASM ${extern_prefix}
3520 #define SLIBSUF "$SLIBSUF"
3521 EOF
3522
3523 test -n "$malloc_prefix" &&
3524     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3525
3526 if enabled small || disabled optimizations; then
3527     echo "#undef  av_always_inline"  >> $TMPH
3528     if enabled small; then
3529         echo "#define av_always_inline inline"  >> $TMPH
3530     else
3531         echo "#define av_always_inline av_unused"  >> $TMPH
3532     fi
3533 fi
3534
3535 if enabled yasm; then
3536     append config_files $TMPASM
3537     printf '' >$TMPASM
3538 fi
3539
3540 print_config ARCH_   "$config_files" $ARCH_LIST
3541 print_config HAVE_   "$config_files" $HAVE_LIST
3542 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3543                                      $CONFIG_EXTRA      \
3544                                      $DECODER_LIST      \
3545                                      $ENCODER_LIST      \
3546                                      $HWACCEL_LIST      \
3547                                      $PARSER_LIST       \
3548                                      $BSF_LIST          \
3549                                      $DEMUXER_LIST      \
3550                                      $MUXER_LIST        \
3551                                      $FILTER_LIST       \
3552                                      $PROTOCOL_LIST     \
3553                                      $INDEV_LIST        \
3554                                      $OUTDEV_LIST       \
3555
3556 cat >>config.mak <<EOF
3557 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3558 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3559 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3560 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3561 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3562 EOF
3563
3564 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3565 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3566
3567 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3568 cp_if_changed $TMPH config.h
3569 touch .config
3570
3571 enabled yasm && cp_if_changed $TMPASM config.asm
3572
3573 cat > $TMPH <<EOF
3574 /* Generated by ffconf */
3575 #ifndef AVUTIL_AVCONFIG_H
3576 #define AVUTIL_AVCONFIG_H
3577 EOF
3578
3579 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3580
3581 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3582
3583 cp_if_changed $TMPH libavutil/avconfig.h
3584
3585 test -n "$WARNINGS" && printf "\n$WARNINGS"
3586
3587 # build pkg-config files
3588
3589 pkgconfig_generate(){
3590 name=$1
3591 shortname=${name#lib}${build_suffix}
3592 comment=$2
3593 version=$3
3594 libs=$4
3595 requires=$5
3596 enabled ${name#lib} || return 0
3597 mkdir -p $name
3598 cat <<EOF > $name/$name.pc
3599 prefix=$prefix
3600 exec_prefix=\${prefix}
3601 libdir=$libdir
3602 includedir=$incdir
3603
3604 Name: $name
3605 Description: $comment
3606 Version: $version
3607 Requires: $(enabled shared || echo $requires)
3608 Requires.private: $(enabled shared && echo $requires)
3609 Conflicts:
3610 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3611 Libs.private: $(enabled shared && echo $libs)
3612 Cflags: -I\${includedir}
3613 EOF
3614 cat <<EOF > $name/$name-uninstalled.pc
3615 prefix=
3616 exec_prefix=
3617 libdir=\${pcfiledir}
3618 includedir=${source_path}
3619
3620 Name: $name
3621 Description: $comment
3622 Version: $version
3623 Requires: $requires
3624 Conflicts:
3625 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3626 Cflags: -I\${includedir}
3627 EOF
3628 }
3629
3630 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3631 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3632 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3633 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3634 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3635 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3636 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3637 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"