git.sesse.net Git - ffmpeg/blob - configure

   1 #!/bin/sh
   2 #
   3 # FFmpeg configure script
   4 #
   5 # Copyright (c) 2000-2002 Fabrice Bellard
   6 # Copyright (c) 2005-2008 Diego Biurrun
   7 # Copyright (c) 2005-2008 Mans Rullgard
   8 #
   9
  10 # Prevent locale nonsense from breaking basic text processing.
  11 LC_ALL=C
  12 export LC_ALL
  13
  14 # make sure we are running under a compatible shell
  15 # try to make this part work with most shells
  16
  17 try_exec(){
  18     echo "Trying shell $1"
  19     type "$1" > /dev/null 2>&1 && exec "$@"
  20 }
  21
  22 unset foo
  23 (: ${foo%%bar}) 2> /dev/null
  24 E1="$?"
  25
  26 (: ${foo?}) 2> /dev/null
  27 E2="$?"
  28
  29 if test "$E1" != 0 || test "$E2" = 0; then
  30     echo "Broken shell detected.  Trying alternatives."
  31     export FF_CONF_EXEC
  32     if test "0$FF_CONF_EXEC" -lt 1; then
  33         FF_CONF_EXEC=1
  34         try_exec bash "$0" "$@"
  35     fi
  36     if test "0$FF_CONF_EXEC" -lt 2; then
  37         FF_CONF_EXEC=2
  38         try_exec ksh "$0" "$@"
  39     fi
  40     if test "0$FF_CONF_EXEC" -lt 3; then
  41         FF_CONF_EXEC=3
  42         try_exec /usr/xpg4/bin/sh "$0" "$@"
  43     fi
  44     echo "No compatible shell script interpreter found."
  45     echo "This configure script requires a POSIX-compatible shell"
  46     echo "such as bash or ksh."
  47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  48     echo "Instead, install a working POSIX-compatible shell."
  49     echo "Disabling this configure test will create a broken FFmpeg."
  50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  51         echo "This bash version ($BASH_VERSION) is broken on your platform."
  52         echo "Upgrade to a later version if available."
  53     fi
  54     exit 1
  55 fi
  56
  57 show_help(){
  58 cat <<EOF
  59 Usage: configure [options]
  60 Options: [defaults in brackets after descriptions]
  61
  62 Standard options:
  63   --help                   print this message
  64   --logfile=FILE           log tests and output to FILE [config.log]
  65   --disable-logging        do not log configure debug information
  66   --prefix=PREFIX          install in PREFIX [$prefix]
  67   --bindir=DIR             install binaries in DIR [PREFIX/bin]
  68   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
  69   --libdir=DIR             install libs in DIR [PREFIX/lib]
  70   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
  71   --incdir=DIR             install includes in DIR [PREFIX/include]
  72   --mandir=DIR             install man page in DIR [PREFIX/share/man]
  73
  74 Configuration options:
  75   --disable-static         do not build static libraries [no]
  76   --enable-shared          build shared libraries [no]
  77   --enable-gpl             allow use of GPL code, the resulting libs
  78                            and binaries will be under GPL [no]
  79   --enable-version3        upgrade (L)GPL to version 3 [no]
  80   --enable-nonfree         allow use of nonfree code, the resulting libs
  81                            and binaries will be unredistributable [no]
  82   --disable-doc            do not build documentation
  83   --disable-ffmpeg         disable ffmpeg build
  84   --disable-ffplay         disable ffplay build
  85   --disable-ffprobe        disable ffprobe build
  86   --disable-ffserver       disable ffserver build
  87   --disable-avdevice       disable libavdevice build
  88   --disable-avcodec        disable libavcodec build
  89   --disable-avformat       disable libavformat build
  90   --disable-swresample     disable libswresample build
  91   --disable-swscale        disable libswscale build
  92   --disable-postproc       disable libpostproc build
  93   --disable-avfilter       disable video filter support [no]
  94   --disable-pthreads       disable pthreads [auto]
  95   --disable-w32threads     disable Win32 threads [auto]
  96   --disable-os2threads     disable OS/2 threads [auto]
  97   --enable-x11grab         enable X11 grabbing [no]
  98   --disable-network        disable network support [no]
  99   --enable-gray            enable full grayscale support (slower color)
 100   --disable-swscale-alpha  disable alpha channel support in swscale
 101   --disable-fastdiv        disable table-based division
 102   --enable-small           optimize for size instead of speed
 103   --disable-aandct         disable AAN DCT code
 104   --disable-dct            disable DCT code
 105   --disable-fft            disable FFT code
 106   --disable-golomb         disable Golomb code
 107   --disable-huffman        disable Huffman code
 108   --disable-lpc            disable LPC code
 109   --disable-mdct           disable MDCT code
 110   --disable-rdft           disable RDFT code
 111   --enable-vaapi           enable VAAPI code [autodetect]
 112   --enable-vda             enable VDA code [autodetect]
 113   --enable-vdpau           enable VDPAU code [autodetect]
 114   --disable-dxva2          disable DXVA2 code
 115   --disable-vda            disable VDA code
 116   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
 117   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 118   --disable-safe-bitstream-reader
 119                            disable buffer boundary checking in bitreaders
 120                            (faster, but may crash)
 121   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 122   --disable-everything     disable all components listed below
 123   --disable-encoder=NAME   disable encoder NAME
 124   --enable-encoder=NAME    enable encoder NAME
 125   --disable-encoders       disable all encoders
 126   --disable-decoder=NAME   disable decoder NAME
 127   --enable-decoder=NAME    enable decoder NAME
 128   --disable-decoders       disable all decoders
 129   --disable-hwaccel=NAME   disable hwaccel NAME
 130   --enable-hwaccel=NAME    enable hwaccel NAME
 131   --disable-hwaccels       disable all hwaccels
 132   --disable-muxer=NAME     disable muxer NAME
 133   --enable-muxer=NAME      enable muxer NAME
 134   --disable-muxers         disable all muxers
 135   --disable-demuxer=NAME   disable demuxer NAME
 136   --enable-demuxer=NAME    enable demuxer NAME
 137   --disable-demuxers       disable all demuxers
 138   --enable-parser=NAME     enable parser NAME
 139   --disable-parser=NAME    disable parser NAME
 140   --disable-parsers        disable all parsers
 141   --enable-bsf=NAME        enable bitstream filter NAME
 142   --disable-bsf=NAME       disable bitstream filter NAME
 143   --disable-bsfs           disable all bitstream filters
 144   --enable-protocol=NAME   enable protocol NAME
 145   --disable-protocol=NAME  disable protocol NAME
 146   --disable-protocols      disable all protocols
 147   --disable-indev=NAME     disable input device NAME
 148   --disable-outdev=NAME    disable output device NAME
 149   --disable-indevs         disable input devices
 150   --disable-outdevs        disable output devices
 151   --disable-devices        disable all devices
 152   --enable-filter=NAME     enable filter NAME
 153   --disable-filter=NAME    disable filter NAME
 154   --disable-filters        disable all filters
 155   --list-decoders          show all available decoders
 156   --list-encoders          show all available encoders
 157   --list-hwaccels          show all available hardware accelerators
 158   --list-muxers            show all available muxers
 159   --list-demuxers          show all available demuxers
 160   --list-parsers           show all available parsers
 161   --list-protocols         show all available protocols
 162   --list-bsfs              show all available bitstream filters
 163   --list-indevs            show all available input devices
 164   --list-outdevs           show all available output devices
 165   --list-filters           show all available filters
 166
 167 External library support:
 168   --enable-avisynth        enable reading of AVISynth script files [no]
 169   --enable-bzlib           enable bzlib [autodetect]
 170   --enable-frei0r          enable frei0r video filtering
 171   --enable-gnutls          enable gnutls [no]
 172   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
 173   --enable-libass          enable libass subtitles rendering [no]
 174   --enable-libbluray       enable BluRay reading using libbluray [no]
 175   --enable-libcelt         enable CELT decoding via libcelt [no]
 176   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 177   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 178   --enable-libopencv       enable video filtering via libopencv [no]
 179   --enable-libcdio         enable audio CD grabbing with libcdio
 180   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 181                            and libraw1394 [no]
 182   --enable-libdirac        enable Dirac support via libdirac [no]
 183   --enable-libfaac         enable FAAC support via libfaac [no]
 184   --enable-libfreetype     enable libfreetype [no]
 185   --enable-libgsm          enable GSM support via libgsm [no]
 186   --enable-libmodplug      enable ModPlug via libmodplug [no]
 187   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
 188   --enable-libnut          enable NUT (de)muxing via libnut,
 189                            native (de)muxer exists [no]
 190   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
 191   --enable-libpulse        enable Pulseaudio input via libpulse [no]
 192   --enable-librtmp         enable RTMP[E] support via librtmp [no]
 193   --enable-libschroedinger enable Dirac support via libschroedinger [no]
 194   --enable-libspeex        enable Speex support via libspeex [no]
 195   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
 196   --enable-libtheora       enable Theora encoding via libtheora [no]
 197   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
 198   --enable-libv4l2         enable libv4l2/v4l-utils [no]
 199   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
 200   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
 201   --enable-libvorbis       enable Vorbis encoding via libvorbis,
 202                            native implementation exists [no]
 203   --enable-libvpx          enable VP8 support via libvpx [no]
 204   --enable-libx264         enable H.264 encoding via x264 [no]
 205   --enable-libxavs         enable AVS encoding via xavs [no]
 206   --enable-libxvid         enable Xvid encoding via xvidcore,
 207                            native MPEG-4/Xvid encoder exists [no]
 208   --enable-openal          enable OpenAL 1.1 capture support [no]
 209   --enable-openssl         enable openssl [no]
 210   --enable-zlib            enable zlib [autodetect]
 211
 212 Advanced options (experts only):
 213   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
 214   --enable-cross-compile   assume a cross-compiler is used
 215   --sysroot=PATH           root of cross-build tree
 216   --sysinclude=PATH        location of cross-build system headers
 217   --target-os=OS           compiler targets OS [$target_os]
 218   --target-exec=CMD        command to run executables on target
 219   --target-path=DIR        path to view of build directory on target
 220   --nm=NM                  use nm tool NM [$nm_default]
 221   --ar=AR                  use archive tool AR [$ar_default]
 222   --as=AS                  use assembler AS [$as_default]
 223   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
 224   --cc=CC                  use C compiler CC [$cc_default]
 225   --cxx=CXX                use C compiler CXX [$cxx_default]
 226   --ld=LD                  use linker LD [$ld_default]
 227   --host-cc=HOSTCC         use host C compiler HOSTCC
 228   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 229   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 230   --host-libs=HLIBS        use libs HLIBS when linking for host
 231   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 232   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
 233   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
 234   --extra-libs=ELIBS       add ELIBS [$ELIBS]
 235   --extra-version=STRING   version string suffix []
 236   --build-suffix=SUFFIX    library name suffix []
 237   --progs-suffix=SUFFIX    program name suffix []
 238   --arch=ARCH              select architecture [$arch]
 239   --cpu=CPU                select the minimum required CPU (affects
 240                            instruction selection, may crash on older CPUs)
 241   --disable-asm            disable all assembler optimizations
 242   --disable-altivec        disable AltiVec optimizations
 243   --disable-amd3dnow       disable 3DNow! optimizations
 244   --disable-amd3dnowext    disable 3DNow! extended optimizations
 245   --disable-mmx            disable MMX optimizations
 246   --disable-mmx2           disable MMX2 optimizations
 247   --disable-sse            disable SSE optimizations
 248   --disable-ssse3          disable SSSE3 optimizations
 249   --disable-avx            disable AVX optimizations
 250   --disable-armv5te        disable armv5te optimizations
 251   --disable-armv6          disable armv6 optimizations
 252   --disable-armv6t2        disable armv6t2 optimizations
 253   --disable-armvfp         disable ARM VFP optimizations
 254   --disable-mmi            disable MMI optimizations
 255   --disable-neon           disable NEON optimizations
 256   --disable-vis            disable VIS optimizations
 257   --disable-yasm           disable use of yasm assembler
 258   --enable-pic             build position-independent code
 259   --malloc-prefix=PFX      prefix malloc and related names with PFX
 260   --enable-sram            allow use of on-chip SRAM
 261   --disable-symver         disable symbol versioning
 262   --optflags               override optimization-related compiler flags
 263   --postproc-version=V     build libpostproc version V.
 264                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
 265
 266 Developer options (useful when working on FFmpeg itself):
 267   --enable-coverage        build with test coverage instrumentation
 268   --disable-debug          disable debugging symbols
 269   --enable-debug=LEVEL     set the debug level [$debuglevel]
 270   --disable-optimizations  disable compiler optimizations
 271   --enable-extra-warnings  enable more compiler warnings
 272   --disable-stripping      disable stripping of executables and shared libraries
 273   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
 274                            leaks and errors, using the specified valgrind binary.
 275                            Cannot be combined with --target-exec
 276   --samples=PATH           location of test samples for FATE, if not set use
 277                            \$FATE_SAMPLES at make invocation time.
 278   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
 279                            should be used only for debugging purposes)
 280
 281 NOTE: Object files are built at the place where configure is launched.
 282 EOF
 283   exit 0
 284 }
 285
 286 quotes='""'
 287
 288 log(){
 289     echo "$@" >> $logfile
 290 }
 291
 292 log_file(){
 293     log BEGIN $1
 294     pr -n -t $1 >> $logfile
 295     log END $1
 296 }
 297
 298 echolog(){
 299     log "$@"
 300     echo "$@"
 301 }
 302
 303 warn(){
 304     log "WARNING: $*"
 305     WARNINGS="${WARNINGS}WARNING: $*\n"
 306 }
 307
 308 die(){
 309     echolog "$@"
 310     cat <<EOF
 311
 312 If you think configure made a mistake, make sure you are using the latest
 313 version from Git.  If the latest version fails, report the problem to the
 314 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 315 EOF
 316     if disabled logging; then
 317         cat <<EOF
 318 Rerun configure with logging enabled (do not use --disable-logging), and
 319 include the log this produces with your report.
 320 EOF
 321     else
 322 cat <<EOF
 323 Include the log file "$logfile" produced by configure as this will help
 324 solving the problem.
 325 EOF
 326     fi
 327     exit 1
 328 }
 329
 330 # Avoid locale weirdness, besides we really just want to translate ASCII.
 331 toupper(){
 332     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 333 }
 334
 335 tolower(){
 336     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 337 }
 338
 339 c_escape(){
 340     echo "$*" | sed 's/["\\]/\\\0/g'
 341 }
 342
 343 sh_quote(){
 344     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 345     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 346     echo "$v"
 347 }
 348
 349 cleanws(){
 350     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 351 }
 352
 353 filter(){
 354     pat=$1
 355     shift
 356     for v; do
 357         eval "case $v in $pat) echo $v ;; esac"
 358     done
 359 }
 360
 361 filter_out(){
 362     pat=$1
 363     shift
 364     for v; do
 365         eval "case $v in $pat) ;; *) echo $v ;; esac"
 366     done
 367 }
 368
 369 map(){
 370     m=$1
 371     shift
 372     for v; do eval $m; done
 373 }
 374
 375 set_all(){
 376     value=$1
 377     shift
 378     for var in $*; do
 379         eval $var=$value
 380     done
 381 }
 382
 383 set_weak(){
 384     value=$1
 385     shift
 386     for var; do
 387         eval : \${$var:=$value}
 388     done
 389 }
 390
 391 set_safe(){
 392     var=$1
 393     shift
 394     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 395 }
 396
 397 get_safe(){
 398     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 399 }
 400
 401 pushvar(){
 402     for var in $*; do
 403         eval level=\${${var}_level:=0}
 404         eval ${var}_${level}="\$$var"
 405         eval ${var}_level=$(($level+1))
 406     done
 407 }
 408
 409 popvar(){
 410     for var in $*; do
 411         eval level=\${${var}_level:-0}
 412         test $level = 0 && continue
 413         eval level=$(($level-1))
 414         eval $var="\${${var}_${level}}"
 415         eval ${var}_level=$level
 416         eval unset ${var}_${level}
 417     done
 418 }
 419
 420 enable(){
 421     set_all yes $*
 422 }
 423
 424 disable(){
 425     set_all no $*
 426 }
 427
 428 enable_weak(){
 429     set_weak yes $*
 430 }
 431
 432 disable_weak(){
 433     set_weak no $*
 434 }
 435
 436 enable_safe(){
 437     for var; do
 438         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 439     done
 440 }
 441
 442 disable_safe(){
 443     for var; do
 444         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 445     done
 446 }
 447
 448 do_enable_deep(){
 449     for var; do
 450         enabled $var && continue
 451         eval sel="\$${var}_select"
 452         eval sgs="\$${var}_suggest"
 453         pushvar var sgs
 454         enable_deep $sel
 455         popvar sgs
 456         enable_deep_weak $sgs
 457         popvar var
 458     done
 459 }
 460
 461 enable_deep(){
 462     do_enable_deep $*
 463     enable $*
 464 }
 465
 466 enable_deep_weak(){
 467     do_enable_deep $*
 468     enable_weak $*
 469 }
 470
 471 enabled(){
 472     test "${1#!}" = "$1" && op== || op=!=
 473     eval test "x\$${1#!}" $op "xyes"
 474 }
 475
 476 disabled(){
 477     test "${1#!}" = "$1" && op== || op=!=
 478     eval test "x\$${1#!}" $op "xno"
 479 }
 480
 481 enabled_all(){
 482     for opt; do
 483         enabled $opt || return 1
 484     done
 485 }
 486
 487 disabled_all(){
 488     for opt; do
 489         disabled $opt || return 1
 490     done
 491 }
 492
 493 enabled_any(){
 494     for opt; do
 495         enabled $opt && return 0
 496     done
 497 }
 498
 499 disabled_any(){
 500     for opt; do
 501         disabled $opt && return 0
 502     done
 503     return 1
 504 }
 505
 506 set_default(){
 507     for opt; do
 508         eval : \${$opt:=\$${opt}_default}
 509     done
 510 }
 511
 512 is_in(){
 513     value=$1
 514     shift
 515     for var in $*; do
 516         [ $var = $value ] && return 0
 517     done
 518     return 1
 519 }
 520
 521 check_deps(){
 522     for cfg; do
 523         cfg="${cfg#!}"
 524         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 525         disabled ${cfg}_checking && continue
 526         enable ${cfg}_checking
 527
 528         eval dep_all="\$${cfg}_deps"
 529         eval dep_any="\$${cfg}_deps_any"
 530         eval dep_sel="\$${cfg}_select"
 531         eval dep_sgs="\$${cfg}_suggest"
 532         eval dep_ifa="\$${cfg}_if"
 533         eval dep_ifn="\$${cfg}_if_any"
 534
 535         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 536         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 537         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 538
 539         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 540         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 541         enabled_all  $dep_all || disable $cfg
 542         enabled_any  $dep_any || disable $cfg
 543         disabled_any $dep_sel && disable $cfg
 544
 545         if enabled $cfg; then
 546             eval dep_extralibs="\$${cfg}_extralibs"
 547             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 548             enable_deep $dep_sel
 549             enable_deep_weak $dep_sgs
 550         fi
 551
 552         disable ${cfg}_checking
 553     done
 554 }
 555
 556 print_config_h(){
 557     enabled $1 && v=1 || v=0
 558     echo "#define $2 $v"
 559 }
 560
 561 print_config_mak(){
 562     enabled $1 && v= || v=!
 563     echo "$v$2=yes"
 564 }
 565
 566 print_config_asm(){
 567     enabled $1 && v=1 || v=0
 568     echo "%define $2 $v"
 569 }
 570
 571 print_config(){
 572     pfx=$1
 573     files=$2
 574     shift 2
 575     for cfg; do
 576         ucname="$(toupper $cfg)"
 577         for f in $files; do
 578             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 579         done
 580     done
 581 }
 582
 583 print_enabled(){
 584     test "$1" = -n && end=" " && shift || end="\n"
 585     suf=$1
 586     shift
 587     for v; do
 588         enabled $v && printf "%s$end" ${v%$suf};
 589     done
 590 }
 591
 592 append(){
 593     var=$1
 594     shift
 595     eval "$var=\"\$$var $*\""
 596 }
 597
 598 prepend(){
 599     var=$1
 600     shift
 601     eval "$var=\"$* \$$var\""
 602 }
 603
 604 add_cppflags(){
 605     append CPPFLAGS $($filter_cppflags "$@")
 606 }
 607
 608 add_cflags(){
 609     append CFLAGS $($filter_cflags "$@")
 610 }
 611
 612 add_cxxflags(){
 613     append CXXFLAGS $($filter_cflags "$@")
 614 }
 615
 616 add_asflags(){
 617     append ASFLAGS $($filter_asflags "$@")
 618 }
 619
 620 add_ldflags(){
 621     append LDFLAGS "$@"
 622 }
 623
 624 add_extralibs(){
 625     prepend extralibs "$@"
 626 }
 627
 628 check_cmd(){
 629     log "$@"
 630     "$@" >> $logfile 2>&1
 631 }
 632
 633 check_cc(){
 634     log check_cc "$@"
 635     cat > $TMPC
 636     log_file $TMPC
 637     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 638 }
 639
 640 check_cxx(){
 641     log check_cxx "$@"
 642     cat > $TMPCPP
 643     log_file $TMPCPP
 644     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
 645 }
 646
 647 check_cpp(){
 648     log check_cpp "$@"
 649     cat > $TMPC
 650     log_file $TMPC
 651     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 652 }
 653
 654 check_as(){
 655     log check_as "$@"
 656     cat > $TMPC
 657     log_file $TMPC
 658     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 659 }
 660
 661 check_asm(){
 662     log check_asm "$@"
 663     name="$1"
 664     code="$2"
 665     shift 2
 666     disable $name
 667     check_as "$@" <<EOF && enable $name
 668 void foo(void){ __asm__ volatile($code); }
 669 EOF
 670 }
 671
 672 check_yasm(){
 673     log check_yasm "$@"
 674     echo "$1" > $TMPS
 675     log_file $TMPS
 676     shift 1
 677     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 678 }
 679
 680 check_ld(){
 681     log check_ld "$@"
 682     type=$1
 683     shift 1
 684     flags=''
 685     libs=''
 686     for f; do
 687         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 688     done
 689     check_$type $($filter_cflags $flags) || return
 690     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
 691 }
 692
 693 check_cppflags(){
 694     log check_cppflags "$@"
 695     set -- $($filter_cppflags "$@")
 696     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 697 int x;
 698 EOF
 699 }
 700
 701 check_cflags(){
 702     log check_cflags "$@"
 703     set -- $($filter_cflags "$@")
 704     check_cc "$@" <<EOF && append CFLAGS "$@"
 705 int x;
 706 EOF
 707 }
 708
 709 check_cxxflags(){
 710     log check_cxxflags "$@"
 711     set -- $($filter_cflags "$@")
 712     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 713 int x;
 714 EOF
 715 }
 716
 717 test_ldflags(){
 718     log test_ldflags "$@"
 719     check_ld "cc" "$@" <<EOF
 720 int main(void){ return 0; }
 721 EOF
 722 }
 723
 724 check_ldflags(){
 725     log check_ldflags "$@"
 726     test_ldflags "$@" && add_ldflags "$@"
 727 }
 728
 729 check_header(){
 730     log check_header "$@"
 731     header=$1
 732     shift
 733     disable_safe $header
 734     check_cpp "$@" <<EOF && enable_safe $header
 735 #include <$header>
 736 int x;
 737 EOF
 738 }
 739
 740 check_func(){
 741     log check_func "$@"
 742     func=$1
 743     shift
 744     disable $func
 745     check_ld "cc" "$@" <<EOF && enable $func
 746 extern int $func();
 747 int main(void){ $func(); }
 748 EOF
 749 }
 750
 751 check_mathfunc(){
 752     log check_mathfunc "$@"
 753     func=$1
 754     shift
 755     disable $func
 756     check_ld "cc" "$@" <<EOF && enable $func
 757 #include <math.h>
 758 float foo(float f) { return $func(f); }
 759 int main(void){ return (int) foo; }
 760 EOF
 761 }
 762
 763 check_func_headers(){
 764     log check_func_headers "$@"
 765     headers=$1
 766     funcs=$2
 767     shift 2
 768     {
 769         for hdr in $headers; do
 770             echo "#include <$hdr>"
 771         done
 772         for func in $funcs; do
 773             echo "long check_$func(void) { return (long) $func; }"
 774         done
 775         echo "int main(void) { return 0; }"
 776     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 777 }
 778
 779 check_class_headers_cpp(){
 780     log check_class_headers_cpp "$@"
 781     headers=$1
 782     classes=$2
 783     shift 2
 784     {
 785         for hdr in $headers; do
 786             echo "#include <$hdr>"
 787         done
 788         echo "int main(void) { "
 789         i=1
 790         for class in $classes; do
 791             echo "$class obj$i;"
 792             i=$(expr $i + 1)
 793         done
 794         echo "return 0; }"
 795     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 796 }
 797
 798 check_cpp_condition(){
 799     log check_cpp_condition "$@"
 800     header=$1
 801     condition=$2
 802     shift 2
 803     check_cpp $($filter_cppflags "$@") <<EOF
 804 #include <$header>
 805 #if !($condition)
 806 #error "unsatisfied condition: $condition"
 807 #endif
 808 EOF
 809 }
 810
 811 check_lib(){
 812     log check_lib "$@"
 813     header="$1"
 814     func="$2"
 815     shift 2
 816     check_header $header && check_func $func "$@" && add_extralibs "$@"
 817 }
 818
 819 check_lib2(){
 820     log check_lib2 "$@"
 821     headers="$1"
 822     funcs="$2"
 823     shift 2
 824     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 825 }
 826
 827 check_lib_cpp(){
 828     log check_lib_cpp "$@"
 829     headers="$1"
 830     classes="$2"
 831     shift 2
 832     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 833 }
 834
 835 check_pkg_config(){
 836     log check_pkg_config "$@"
 837     pkg="$1"
 838     headers="$2"
 839     funcs="$3"
 840     shift 3
 841     $pkg_config --exists $pkg 2>/dev/null || return
 842     pkg_cflags=$($pkg_config --cflags $pkg)
 843     pkg_libs=$($pkg_config --libs $pkg)
 844     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 845         set_safe ${pkg}_cflags $pkg_cflags   &&
 846         set_safe ${pkg}_libs   $pkg_libs
 847 }
 848
 849 check_exec(){
 850     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 851 }
 852
 853 check_exec_crash(){
 854     code=$(cat)
 855
 856     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 857     # are safe but may not be available everywhere.  Thus we use
 858     # raise(SIGTERM) instead.  The check is run in a subshell so we
 859     # can redirect the "Terminated" message from the shell.  SIGBUS
 860     # is not defined by standard C so it is used conditionally.
 861
 862     (check_exec "$@") >> $logfile 2>&1 <<EOF
 863 #include <signal.h>
 864 static void sighandler(int sig){
 865     raise(SIGTERM);
 866 }
 867 int func(void){
 868     $code
 869 }
 870 int (*func_ptr)(void) = func;
 871 int main(void){
 872     signal(SIGILL, sighandler);
 873     signal(SIGFPE, sighandler);
 874     signal(SIGSEGV, sighandler);
 875 #ifdef SIGBUS
 876     signal(SIGBUS, sighandler);
 877 #endif
 878     return func_ptr();
 879 }
 880 EOF
 881 }
 882
 883 check_type(){
 884     log check_type "$@"
 885     headers=$1
 886     type=$2
 887     shift 2
 888     disable_safe "$type"
 889     incs=""
 890     for hdr in $headers; do
 891         incs="$incs
 892 #include <$hdr>"
 893     done
 894     check_cc "$@" <<EOF && enable_safe "$type"
 895 $incs
 896 $type v;
 897 EOF
 898 }
 899
 900 check_struct(){
 901     log check_type "$@"
 902     headers=$1
 903     struct=$2
 904     member=$3
 905     shift 3
 906     disable_safe "${struct}_${member}"
 907     incs=""
 908     for hdr in $headers; do
 909         incs="$incs
 910 #include <$hdr>"
 911     done
 912     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
 913 $incs
 914 const void *p = &(($struct *)0)->$member;
 915 EOF
 916 }
 917
 918 require(){
 919     name="$1"
 920     header="$2"
 921     func="$3"
 922     shift 3
 923     check_lib $header $func "$@" || die "ERROR: $name not found"
 924 }
 925
 926 require2(){
 927     name="$1"
 928     headers="$2"
 929     func="$3"
 930     shift 3
 931     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 932 }
 933
 934 require_cpp(){
 935     name="$1"
 936     headers="$2"
 937     classes="$3"
 938     shift 3
 939     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
 940 }
 941
 942 require_pkg_config(){
 943     pkg="$1"
 944     check_pkg_config "$@" || die "ERROR: $pkg not found"
 945     add_cflags    $(get_safe ${pkg}_cflags)
 946     add_extralibs $(get_safe ${pkg}_libs)
 947 }
 948
 949 check_host_cc(){
 950     log check_host_cc "$@"
 951     cat > $TMPC
 952     log_file $TMPC
 953     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
 954 }
 955
 956 check_host_cflags(){
 957     log check_host_cflags "$@"
 958     check_host_cc "$@" <<EOF && append host_cflags "$@"
 959 int x;
 960 EOF
 961 }
 962
 963 apply(){
 964     file=$1
 965     shift
 966     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 967 }
 968
 969 cp_if_changed(){
 970     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
 971     mkdir -p "$(dirname $2)"
 972     cp -f "$1" "$2"
 973 }
 974
 975 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 976 # system-dependent things.
 977
 978 COMPONENT_LIST="
 979     bsfs
 980     decoders
 981     demuxers
 982     encoders
 983     filters
 984     hwaccels
 985     indevs
 986     muxers
 987     outdevs
 988     parsers
 989     protocols
 990 "
 991
 992 PROGRAM_LIST="
 993     ffplay
 994     ffprobe
 995     ffserver
 996     ffmpeg
 997 "
 998
 999 CONFIG_LIST="
1000     $COMPONENT_LIST
1001     $PROGRAM_LIST
1002     avplay
1003     avprobe
1004     avserver
1005     aandct
1006     ac3dsp
1007     avcodec
1008     avdevice
1009     avfilter
1010     avformat
1011     avisynth
1012     bzlib
1013     crystalhd
1014     dct
1015     doc
1016     dwt
1017     dxva2
1018     fastdiv
1019     fft
1020     frei0r
1021     gnutls
1022     golomb
1023     gpl
1024     gray
1025     h264chroma
1026     h264dsp
1027     h264pred
1028     hardcoded_tables
1029     huffman
1030     libaacplus
1031     libass
1032     libbluray
1033     libcdio
1034     libcelt
1035     libdc1394
1036     libdirac
1037     libfaac
1038     libfreetype
1039     libgsm
1040     libmodplug
1041     libmp3lame
1042     libnut
1043     libopencore_amrnb
1044     libopencore_amrwb
1045     libopencv
1046     libopenjpeg
1047     libpulse
1048     librtmp
1049     libschroedinger
1050     libspeex
1051     libstagefright_h264
1052     libtheora
1053     libutvideo
1054     libv4l2
1055     libvo_aacenc
1056     libvo_amrwbenc
1057     libvorbis
1058     libvpx
1059     libx264
1060     libxavs
1061     libxvid
1062     lpc
1063     lsp
1064     mdct
1065     memalign_hack
1066     mpegaudiodsp
1067     network
1068     nonfree
1069     openal
1070     openssl
1071     pic
1072     postproc
1073     rdft
1074     rtpdec
1075     runtime_cpudetect
1076     safe_bitstream_reader
1077     shared
1078     sinewin
1079     small
1080     sram
1081     static
1082     swresample
1083     swscale
1084     swscale_alpha
1085     thumb
1086     vaapi
1087     vda
1088     vdpau
1089     version3
1090     xmm_clobber_test
1091     x11grab
1092     zlib
1093 "
1094
1095 THREADS_LIST='
1096     pthreads
1097     w32threads
1098     os2threads
1099 '
1100
1101 ARCH_LIST='
1102     alpha
1103     arm
1104     avr32
1105     avr32_ap
1106     avr32_uc
1107     bfin
1108     ia64
1109     m68k
1110     mips
1111     mips64
1112     parisc
1113     ppc
1114     ppc64
1115     s390
1116     sh4
1117     sparc
1118     sparc64
1119     tomi
1120     x86
1121     x86_32
1122     x86_64
1123 '
1124
1125 ARCH_EXT_LIST='
1126     altivec
1127     amd3dnow
1128     amd3dnowext
1129     armv5te
1130     armv6
1131     armv6t2
1132     armvfp
1133     avx
1134     mmi
1135     mmx
1136     mmx2
1137     neon
1138     ppc4xx
1139     sse
1140     ssse3
1141     vfpv3
1142     vis
1143 '
1144
1145 HAVE_LIST_PUB='
1146     bigendian
1147     fast_unaligned
1148 '
1149
1150 HAVE_LIST="
1151     $ARCH_EXT_LIST
1152     $HAVE_LIST_PUB
1153     $THREADS_LIST
1154     aligned_stack
1155     alsa_asoundlib_h
1156     altivec_h
1157     arpa_inet_h
1158     asm_mod_y
1159     asm_types_h
1160     attribute_may_alias
1161     attribute_packed
1162     cbrtf
1163     closesocket
1164     cmov
1165     dcbzl
1166     dev_bktr_ioctl_bt848_h
1167     dev_bktr_ioctl_meteor_h
1168     dev_ic_bt8xx_h
1169     dev_video_bktr_ioctl_bt848_h
1170     dev_video_meteor_ioctl_meteor_h
1171     dlfcn_h
1172     dlopen
1173     dos_paths
1174     ebp_available
1175     ebx_available
1176     exp2
1177     exp2f
1178     fast_64bit
1179     fast_clz
1180     fast_cmov
1181     fcntl
1182     fork
1183     getaddrinfo
1184     gethrtime
1185     GetProcessAffinityMask
1186     GetProcessMemoryInfo
1187     GetProcessTimes
1188     getrusage
1189     gnu_as
1190     ibm_asm
1191     inet_aton
1192     inline_asm
1193     isatty
1194     kbhit
1195     ldbrx
1196     libdc1394_1
1197     libdc1394_2
1198     llrint
1199     llrintf
1200     local_aligned_16
1201     local_aligned_8
1202     localtime_r
1203     log2
1204     log2f
1205     loongson
1206     lrint
1207     lrintf
1208     lzo1x_999_compress
1209     machine_ioctl_bt848_h
1210     machine_ioctl_meteor_h
1211     makeinfo
1212     malloc_h
1213     MapViewOfFile
1214     memalign
1215     mkstemp
1216     mmap
1217     PeekNamedPipe
1218     poll_h
1219     posix_memalign
1220     round
1221     roundf
1222     sched_getaffinity
1223     sdl
1224     sdl_video_size
1225     setmode
1226     setrlimit
1227     sndio_h
1228     socklen_t
1229     soundcard_h
1230     strerror_r
1231     strptime
1232     struct_addrinfo
1233     struct_ipv6_mreq
1234     struct_rusage_ru_maxrss
1235     struct_sockaddr_in6
1236     struct_sockaddr_sa_len
1237     struct_sockaddr_storage
1238     struct_v4l2_frmivalenum_discrete
1239     symver
1240     symver_asm_label
1241     symver_gnu_asm
1242     sysconf
1243     sysctl
1244     sys_mman_h
1245     sys_param_h
1246     sys_resource_h
1247     sys_select_h
1248     sys_soundcard_h
1249     sys_videoio_h
1250     termios_h
1251     threads
1252     trunc
1253     truncf
1254     vfp_args
1255     VirtualAlloc
1256     winsock2_h
1257     xform_asm
1258     xmm_clobbers
1259     yasm
1260 "
1261
1262 # options emitted with CONFIG_ prefix but not available on command line
1263 CONFIG_EXTRA="
1264     avutil
1265     gplv3
1266     lgplv3
1267 "
1268
1269 CMDLINE_SELECT="
1270     $ARCH_EXT_LIST
1271     $CONFIG_LIST
1272     $THREADS_LIST
1273     asm
1274     coverage
1275     cross_compile
1276     debug
1277     extra_warnings
1278     logging
1279     optimizations
1280     stripping
1281     symver
1282     yasm
1283 "
1284
1285 PATHS_LIST='
1286     bindir
1287     datadir
1288     incdir
1289     libdir
1290     mandir
1291     prefix
1292     shlibdir
1293 '
1294
1295 CMDLINE_SET="
1296     $PATHS_LIST
1297     ar
1298     arch
1299     as
1300     build_suffix
1301     cc
1302     cpu
1303     cross_prefix
1304     cxx
1305     dep_cc
1306     extra_version
1307     host_cc
1308     host_cflags
1309     host_ldflags
1310     host_libs
1311     host_os
1312     install
1313     ld
1314     logfile
1315     malloc_prefix
1316     nm
1317     optflags
1318     pkg_config
1319     postproc_version
1320     progs_suffix
1321     samples
1322     strip
1323     sysinclude
1324     sysroot
1325     target_exec
1326     target_os
1327     target_path
1328     valgrind
1329     yasmexe
1330 "
1331
1332 CMDLINE_APPEND="
1333     extra_cflags
1334     extra_cxxflags
1335 "
1336
1337 # code dependency declarations
1338
1339 # architecture extensions
1340
1341 armv5te_deps="arm"
1342 armv6_deps="arm"
1343 armv6t2_deps="arm"
1344 armvfp_deps="arm"
1345 neon_deps="arm"
1346 vfpv3_deps="armvfp"
1347
1348 mmi_deps="mips"
1349
1350 altivec_deps="ppc"
1351 ppc4xx_deps="ppc"
1352
1353 vis_deps="sparc"
1354
1355 x86_64_suggest="cmov fast_cmov"
1356 amd3dnow_deps="mmx"
1357 amd3dnowext_deps="amd3dnow"
1358 mmx_deps="x86"
1359 mmx2_deps="mmx"
1360 sse_deps="mmx"
1361 ssse3_deps="sse"
1362 avx_deps="ssse3"
1363
1364 aligned_stack_if_any="ppc x86"
1365 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1366 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1367 fast_unaligned_if_any="armv6 ppc x86"
1368
1369 inline_asm_deps="!tms470"
1370 need_memalign="altivec neon sse"
1371
1372 symver_if_any="symver_asm_label symver_gnu_asm"
1373
1374 # subsystems
1375 dct_select="rdft"
1376 mdct_select="fft"
1377 rdft_select="fft"
1378 mpegaudiodsp_select="dct"
1379
1380 # decoders / encoders / hardware accelerators
1381 aac_decoder_select="mdct sinewin"
1382 aac_encoder_select="mdct sinewin"
1383 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1384 ac3_decoder_select="mdct ac3dsp ac3_parser"
1385 ac3_encoder_select="mdct ac3dsp"
1386 ac3_fixed_encoder_select="mdct ac3dsp"
1387 alac_encoder_select="lpc"
1388 amrnb_decoder_select="lsp"
1389 amrwb_decoder_select="lsp"
1390 atrac1_decoder_select="mdct sinewin"
1391 atrac3_decoder_select="mdct"
1392 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1393 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1394 cavs_decoder_select="golomb"
1395 cook_decoder_select="mdct sinewin"
1396 cscd_decoder_suggest="zlib"
1397 dca_decoder_select="mdct"
1398 dnxhd_encoder_select="aandct"
1399 dxa_decoder_select="zlib"
1400 eac3_decoder_select="ac3_decoder"
1401 eac3_encoder_select="mdct ac3dsp"
1402 eamad_decoder_select="aandct"
1403 eatgq_decoder_select="aandct"
1404 eatqi_decoder_select="aandct"
1405 ffv1_decoder_select="golomb"
1406 flac_decoder_select="golomb"
1407 flac_encoder_select="golomb lpc"
1408 flashsv_decoder_select="zlib"
1409 flashsv_encoder_select="zlib"
1410 flashsv2_encoder_select="zlib"
1411 flashsv2_decoder_select="zlib"
1412 flv_decoder_select="h263_decoder"
1413 flv_encoder_select="h263_encoder"
1414 fraps_decoder_select="huffman"
1415 h261_encoder_select="aandct"
1416 h263_decoder_select="h263_parser"
1417 h263_encoder_select="aandct"
1418 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1419 h263i_decoder_select="h263_decoder"
1420 h263p_encoder_select="h263_encoder"
1421 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1422 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1423 h264_dxva2_hwaccel_deps="dxva2api_h"
1424 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1425 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1426 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1427 h264_vda_hwaccel_select="vda h264_decoder"
1428 h264_vdpau_decoder_select="vdpau h264_decoder"
1429 imc_decoder_select="fft mdct sinewin"
1430 jpegls_decoder_select="golomb"
1431 jpegls_encoder_select="golomb"
1432 ljpeg_encoder_select="aandct"
1433 loco_decoder_select="golomb"
1434 mjpeg_encoder_select="aandct"
1435 mlp_decoder_select="mlp_parser"
1436 mp1_decoder_select="mpegaudiodsp"
1437 mp1float_decoder_select="mpegaudiodsp"
1438 mp2_decoder_select="mpegaudiodsp"
1439 mp2float_decoder_select="mpegaudiodsp"
1440 mp3_decoder_select="mpegaudiodsp"
1441 mp3adu_decoder_select="mpegaudiodsp"
1442 mp3adufloat_decoder_select="mpegaudiodsp"
1443 mp3float_decoder_select="mpegaudiodsp"
1444 mp3on4_decoder_select="mpegaudiodsp"
1445 mp3on4float_decoder_select="mpegaudiodsp"
1446 mpc7_decoder_select="mpegaudiodsp"
1447 mpc8_decoder_select="mpegaudiodsp"
1448 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1449 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1450 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1451 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1452 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1453 mpeg1video_encoder_select="aandct"
1454 mpeg2_crystalhd_decoder_select="crystalhd"
1455 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1456 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1457 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1458 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1459 mpeg2video_encoder_select="aandct"
1460 mpeg4_crystalhd_decoder_select="crystalhd"
1461 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1462 mpeg4_encoder_select="h263_encoder"
1463 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1464 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1465 msmpeg4_crystalhd_decoder_select="crystalhd"
1466 msmpeg4v1_decoder_select="h263_decoder"
1467 msmpeg4v1_encoder_select="h263_encoder"
1468 msmpeg4v2_decoder_select="h263_decoder"
1469 msmpeg4v2_encoder_select="h263_encoder"
1470 msmpeg4v3_decoder_select="h263_decoder"
1471 msmpeg4v3_encoder_select="h263_encoder"
1472 nellymoser_decoder_select="mdct sinewin"
1473 nellymoser_encoder_select="mdct sinewin"
1474 png_decoder_select="zlib"
1475 png_encoder_select="zlib"
1476 qcelp_decoder_select="lsp"
1477 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1478 ra_144_encoder_select="lpc"
1479 rv10_decoder_select="h263_decoder"
1480 rv10_encoder_select="h263_encoder"
1481 rv20_decoder_select="h263_decoder"
1482 rv20_encoder_select="h263_encoder"
1483 rv30_decoder_select="golomb h264chroma h264pred"
1484 rv40_decoder_select="golomb h264chroma h264pred"
1485 shorten_decoder_select="golomb"
1486 sipr_decoder_select="lsp"
1487 snow_decoder_select="dwt"
1488 snow_encoder_select="aandct dwt"
1489 sonic_decoder_select="golomb"
1490 sonic_encoder_select="golomb"
1491 sonic_ls_encoder_select="golomb"
1492 svq1_encoder_select="aandct"
1493 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1494 svq3_decoder_suggest="zlib"
1495 theora_decoder_select="vp3_decoder"
1496 tiff_decoder_suggest="zlib"
1497 tiff_encoder_suggest="zlib"
1498 truehd_decoder_select="mlp_decoder"
1499 tscc_decoder_select="zlib"
1500 twinvq_decoder_select="mdct lsp sinewin"
1501 vc1_crystalhd_decoder_select="crystalhd"
1502 vc1_decoder_select="h263_decoder h264chroma"
1503 vc1_dxva2_hwaccel_deps="dxva2api_h"
1504 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1505 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1506 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1507 vc1image_decoder_select="vc1_decoder"
1508 vorbis_decoder_select="mdct"
1509 vorbis_encoder_select="mdct"
1510 vp6_decoder_select="huffman"
1511 vp6a_decoder_select="vp6_decoder"
1512 vp6f_decoder_select="vp6_decoder"
1513 vp8_decoder_select="h264pred"
1514 wmapro_decoder_select="mdct sinewin"
1515 wmav1_decoder_select="mdct sinewin"
1516 wmav1_encoder_select="mdct sinewin"
1517 wmav2_decoder_select="mdct sinewin"
1518 wmav2_encoder_select="mdct sinewin"
1519 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1520 wmv1_decoder_select="h263_decoder"
1521 wmv1_encoder_select="h263_encoder"
1522 wmv2_decoder_select="h263_decoder"
1523 wmv2_encoder_select="h263_encoder"
1524 wmv3_decoder_select="vc1_decoder"
1525 wmv3_crystalhd_decoder_select="crystalhd"
1526 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1527 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1528 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1529 wmv3image_decoder_select="wmv3_decoder"
1530 zlib_decoder_select="zlib"
1531 zlib_encoder_select="zlib"
1532 zmbv_decoder_select="zlib"
1533 zmbv_encoder_select="zlib"
1534
1535 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1536 vaapi_deps="va_va_h"
1537 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1538 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1539
1540 # parsers
1541 h264_parser_select="golomb h264chroma h264dsp h264pred"
1542
1543 # external libraries
1544 libaacplus_encoder_deps="libaacplus"
1545 libcelt_decoder_deps="libcelt"
1546 libdirac_decoder_deps="libdirac !libschroedinger"
1547 libfaac_encoder_deps="libfaac"
1548 libgsm_decoder_deps="libgsm"
1549 libgsm_encoder_deps="libgsm"
1550 libgsm_ms_decoder_deps="libgsm"
1551 libgsm_ms_encoder_deps="libgsm"
1552 libmodplug_demuxer_deps="libmodplug"
1553 libmp3lame_encoder_deps="libmp3lame"
1554 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1555 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1556 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1557 libopenjpeg_decoder_deps="libopenjpeg"
1558 libopenjpeg_encoder_deps="libopenjpeg"
1559 libschroedinger_decoder_deps="libschroedinger"
1560 libschroedinger_encoder_deps="libschroedinger"
1561 libspeex_decoder_deps="libspeex"
1562 libspeex_encoder_deps="libspeex"
1563 libstagefright_h264_decoder_deps="libstagefright_h264"
1564 libtheora_encoder_deps="libtheora"
1565 libvo_aacenc_encoder_deps="libvo_aacenc"
1566 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1567 libvorbis_encoder_deps="libvorbis"
1568 libvpx_decoder_deps="libvpx"
1569 libvpx_encoder_deps="libvpx"
1570 libx264_encoder_deps="libx264"
1571 libx264rgb_encoder_deps="libx264"
1572 libxavs_encoder_deps="libxavs"
1573 libxvid_encoder_deps="libxvid"
1574 libutvideo_decoder_deps="libutvideo"
1575 libutvideo_encoder_deps="libutvideo"
1576
1577 # demuxers / muxers
1578 ac3_demuxer_select="ac3_parser"
1579 asf_stream_muxer_select="asf_muxer"
1580 avisynth_demuxer_deps="avisynth"
1581 dirac_demuxer_select="dirac_parser"
1582 eac3_demuxer_select="ac3_parser"
1583 flac_demuxer_select="flac_parser"
1584 ipod_muxer_select="mov_muxer"
1585 libnut_demuxer_deps="libnut"
1586 libnut_muxer_deps="libnut"
1587 matroska_audio_muxer_select="matroska_muxer"
1588 matroska_demuxer_suggest="zlib bzlib"
1589 mov_demuxer_suggest="zlib"
1590 mp3_demuxer_select="mpegaudio_parser"
1591 mp4_muxer_select="mov_muxer"
1592 mpegtsraw_demuxer_select="mpegts_demuxer"
1593 mxf_d10_muxer_select="mxf_muxer"
1594 ogg_demuxer_select="golomb"
1595 psp_muxer_select="mov_muxer"
1596 rtp_demuxer_select="sdp_demuxer"
1597 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1598 rtsp_demuxer_select="http_protocol rtpdec"
1599 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1600 sap_demuxer_select="sdp_demuxer"
1601 sap_muxer_select="rtp_muxer rtp_protocol"
1602 sdp_demuxer_select="rtpdec"
1603 spdif_muxer_select="aac_parser"
1604 tg2_muxer_select="mov_muxer"
1605 tgp_muxer_select="mov_muxer"
1606 w64_demuxer_deps="wav_demuxer"
1607
1608 # indevs / outdevs
1609 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1610 alsa_outdev_deps="alsa_asoundlib_h"
1611 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1612 dshow_indev_deps="IBaseFilter"
1613 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1614 dv1394_indev_deps="dv1394 dv_demuxer"
1615 fbdev_indev_deps="linux_fb_h"
1616 jack_indev_deps="jack_jack_h sem_timedwait"
1617 lavfi_indev_deps="avfilter"
1618 libcdio_indev_deps="libcdio"
1619 libdc1394_indev_deps="libdc1394"
1620 libv4l2_indev_deps="libv4l2"
1621 openal_indev_deps="openal"
1622 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1623 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1624 pulse_indev_deps="libpulse"
1625 sdl_outdev_deps="sdl"
1626 sndio_indev_deps="sndio_h"
1627 sndio_outdev_deps="sndio_h"
1628 v4l_indev_deps="linux_videodev_h"
1629 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1630 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1631 vfwcap_indev_extralibs="-lavicap32"
1632 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1633 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1634
1635 # protocols
1636 bluray_protocol_deps="libbluray"
1637 gopher_protocol_deps="network"
1638 httpproxy_protocol_deps="network"
1639 httpproxy_protocol_select="tcp_protocol"
1640 http_protocol_deps="network"
1641 http_protocol_select="tcp_protocol"
1642 https_protocol_select="tls_protocol"
1643 librtmp_protocol_deps="librtmp"
1644 librtmpe_protocol_deps="librtmp"
1645 librtmps_protocol_deps="librtmp"
1646 librtmpt_protocol_deps="librtmp"
1647 librtmpte_protocol_deps="librtmp"
1648 mmsh_protocol_select="http_protocol"
1649 mmst_protocol_deps="network"
1650 rtmp_protocol_deps="!librtmp_protocol"
1651 rtmp_protocol_select="tcp_protocol"
1652 rtp_protocol_select="udp_protocol"
1653 tcp_protocol_deps="network"
1654 tls_protocol_deps_any="openssl gnutls"
1655 tls_protocol_select="tcp_protocol"
1656 udp_protocol_deps="network"
1657
1658 # filters
1659 aconvert_filter_deps="swresample"
1660 amovie_filter_deps="avcodec avformat"
1661 aresample_filter_deps="swresample"
1662 ass_filter_deps="libass"
1663 blackframe_filter_deps="gpl"
1664 boxblur_filter_deps="gpl"
1665 cropdetect_filter_deps="gpl"
1666 delogo_filter_deps="gpl"
1667 drawtext_filter_deps="libfreetype"
1668 frei0r_filter_deps="frei0r dlopen"
1669 frei0r_src_filter_deps="frei0r dlopen"
1670 hqdn3d_filter_deps="gpl"
1671 movie_filter_deps="avcodec avformat"
1672 mp_filter_deps="gpl avcodec swscale postproc"
1673 mptestsrc_filter_deps="gpl"
1674 negate_filter_deps="lut_filter"
1675 ocv_filter_deps="libopencv"
1676 pan_filter_deps="swresample"
1677 scale_filter_deps="swscale"
1678 tinterlace_filter_deps="gpl"
1679 yadif_filter_deps="gpl"
1680
1681 # libraries
1682 avdevice_deps="avcodec avformat"
1683 avformat_deps="avcodec"
1684 postproc_deps="gpl"
1685
1686 # programs
1687 ffplay_deps="avcodec avformat swscale swresample sdl"
1688 ffplay_select="buffersink_filter rdft"
1689 ffprobe_deps="avcodec avformat"
1690 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1691 ffserver_extralibs='$ldl'
1692 ffmpeg_deps="avcodec avformat swscale swresample"
1693 ffmpeg_select="buffersink_filter"
1694
1695 doc_deps="texi2html"
1696
1697 # tests
1698
1699 test_deps(){
1700     suf1=$1
1701     suf2=$2
1702     shift 2
1703     for v; do
1704         dep=${v%=*}
1705         tests=${v#*=}
1706         for name in ${tests}; do
1707             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1708         done
1709     done
1710 }
1711
1712 mxf_d10_test_deps="avfilter"
1713 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1714
1715 test_deps _encoder _decoder                                             \
1716     adpcm_ima_qt                                                        \
1717     adpcm_ima_wav                                                       \
1718     adpcm_ms                                                            \
1719     adpcm_swf                                                           \
1720     adpcm_yamaha=adpcm_yam                                              \
1721     alac                                                                \
1722     asv1                                                                \
1723     asv2                                                                \
1724     bmp                                                                 \
1725     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1726     dvvideo="dv dv_411 dv50"                                            \
1727     ffv1                                                                \
1728     flac                                                                \
1729     flashsv                                                             \
1730     flv                                                                 \
1731     adpcm_g726=g726                                                     \
1732     gif                                                                 \
1733     h261                                                                \
1734     h263="h263 h263p"                                                   \
1735     huffyuv                                                             \
1736     jpegls                                                              \
1737     mjpeg="jpg mjpeg ljpeg"                                             \
1738     mp2                                                                 \
1739     mpeg1video="mpeg mpeg1b"                                            \
1740     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1741     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1742     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1743     mpeg4="mpeg4thread error rc"                                        \
1744     msmpeg4v3=msmpeg4                                                   \
1745     msmpeg4v2                                                           \
1746     pbm=pbmpipe                                                         \
1747     pcx                                                                 \
1748     pgm="pgm pgmpipe"                                                   \
1749     png                                                                 \
1750     ppm="ppm ppmpipe"                                                   \
1751     rawvideo="rgb yuv"                                                  \
1752     roq                                                                 \
1753     rv10                                                                \
1754     rv20                                                                \
1755     sgi                                                                 \
1756     snow="snow snowll"                                                  \
1757     svq1                                                                \
1758     targa=tga                                                           \
1759     tiff                                                                \
1760     wmav1                                                               \
1761     wmav2                                                               \
1762     wmv1                                                                \
1763     wmv2                                                                \
1764
1765 test_deps _muxer _demuxer                                               \
1766     aiff                                                                \
1767     pcm_alaw=alaw                                                       \
1768     asf                                                                 \
1769     au                                                                  \
1770     avi                                                                 \
1771     dv=dv_fmt                                                           \
1772     ffm                                                                 \
1773     flv=flv_fmt                                                         \
1774     gxf                                                                 \
1775     matroska=mkv                                                        \
1776     mmf                                                                 \
1777     mov="mov ismv"                                                      \
1778     pcm_mulaw=mulaw                                                     \
1779     mxf="mxf mxf_d10"                                                   \
1780     nut                                                                 \
1781     ogg="ogg ogg_vp3"                                                   \
1782     rawvideo=pixfmt                                                     \
1783     rm                                                                  \
1784     swf                                                                 \
1785     mpegts=ts                                                           \
1786     voc                                                                 \
1787     wav                                                                 \
1788     yuv4mpegpipe=yuv4mpeg                                               \
1789
1790 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1791 flashsv2_test_deps="zlib"
1792 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1793 mpng_test_deps="zlib"
1794 pp_test_deps="mp_filter"
1795 pp2_test_deps="mp_filter"
1796 pp3_test_deps="mp_filter"
1797 pp4_test_deps="mp_filter"
1798 pp5_test_deps="mp_filter"
1799 pp6_test_deps="mp_filter"
1800 zlib_test_deps="zlib"
1801 zmbv_test_deps="zlib"
1802
1803 # default parameters
1804
1805 logfile="config.log"
1806
1807 # installation paths
1808 prefix_default="/usr/local"
1809 bindir_default='${prefix}/bin'
1810 datadir_default='${prefix}/share/ffmpeg'
1811 incdir_default='${prefix}/include'
1812 libdir_default='${prefix}/lib'
1813 mandir_default='${prefix}/share/man'
1814 shlibdir_default="$libdir_default"
1815 postproc_version_default="current"
1816
1817 # toolchain
1818 ar_default="ar"
1819 cc_default="gcc"
1820 cxx_default="g++"
1821 cc_version=\"unknown\"
1822 host_cc_default="gcc"
1823 install="install"
1824 ln_s="ln -sf"
1825 nm_default="nm"
1826 objformat="elf"
1827 pkg_config_default=pkg-config
1828 ranlib="ranlib"
1829 strip_default="strip"
1830 yasmexe_default="yasm"
1831
1832 nm_opts='-g'
1833 nogas=":"
1834
1835 # machine
1836 arch_default=$(uname -m)
1837 cpu="generic"
1838
1839 # OS
1840 target_os_default=$(tolower $(uname -s))
1841 host_os=$target_os_default
1842
1843 # alternative libpostproc version
1844 ALT_PP_VER_MAJOR=51
1845 ALT_PP_VER_MINOR=2
1846 ALT_PP_VER_MICRO=101
1847 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1848
1849 # configurable options
1850 enable $PROGRAM_LIST
1851
1852 enable avcodec
1853 enable avdevice
1854 enable avfilter
1855 enable avformat
1856 enable avutil
1857 enable postproc
1858 enable stripping
1859 enable swresample
1860 enable swscale
1861
1862 enable asm
1863 enable debug
1864 enable doc
1865 enable fastdiv
1866 enable network
1867 enable optimizations
1868 enable safe_bitstream_reader
1869 enable static
1870 enable swscale_alpha
1871
1872 # build settings
1873 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1874 FFSERVERLDFLAGS=-Wl,-E
1875 LIBPREF="lib"
1876 LIBSUF=".a"
1877 FULLNAME='$(NAME)$(BUILDSUF)'
1878 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1879 SLIBPREF="lib"
1880 SLIBSUF=".so"
1881 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1882 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1883 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1884 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1885 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1886 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1887
1888 AS_O='-o $@'
1889 CC_O='-o $@'
1890 CXX_O='-o $@'
1891
1892 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1893 host_libs='-lm'
1894
1895 target_path='$(CURDIR)'
1896
1897 # since the object filename is not given with the -MM flag, the compiler
1898 # is only able to print the basename, and we must add the path ourselves
1899 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1900 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1901
1902 # find source path
1903 if test -f configure; then
1904     source_path=.
1905 else
1906     source_path=$(cd $(dirname "$0"); pwd)
1907     echo "$source_path" | grep -q '[[:blank:]]' &&
1908         die "Out of tree builds are impossible with whitespace in source path."
1909     test -e "$source_path/config.h" &&
1910         die "Out of tree builds are impossible with config.h in source dir."
1911 fi
1912
1913 for v in "$@"; do
1914     r=${v#*=}
1915     l=${v%"$r"}
1916     r=$(sh_quote "$r")
1917     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1918 done
1919
1920 find_things(){
1921     thing=$1
1922     pattern=$2
1923     file=$source_path/$3
1924     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1925 }
1926
1927 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1928 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1929 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1930 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1931 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1932 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1933 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1934 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1935 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1936 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1937 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1938
1939 ALL_COMPONENTS="
1940     $BSF_LIST
1941     $DECODER_LIST
1942     $DEMUXER_LIST
1943     $ENCODER_LIST
1944     $FILTER_LIST
1945     $HWACCEL_LIST
1946     $INDEV_LIST
1947     $MUXER_LIST
1948     $OUTDEV_LIST
1949     $PARSER_LIST
1950     $PROTOCOL_LIST
1951 "
1952
1953 find_tests(){
1954     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1955 }
1956
1957 ACODEC_TESTS=$(find_tests acodec)
1958 VCODEC_TESTS=$(find_tests vsynth1)
1959 LAVF_FATE_TESTS=$(find_tests lavf-fate)
1960 LAVF_TESTS=$(find_tests lavf)
1961 LAVFI_TESTS=$(find_tests lavfi)
1962 SEEK_TESTS=$(find_tests seek seek_)
1963
1964 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1965
1966 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1967
1968 for n in $COMPONENT_LIST; do
1969     v=$(toupper ${n%s})_LIST
1970     eval enable \$$v
1971     eval ${n}_if_any="\$$v"
1972 done
1973
1974 enable $ARCH_EXT_LIST $ALL_TESTS
1975
1976 die_unknown(){
1977     echo "Unknown option \"$1\"."
1978     echo "See $0 --help for available options."
1979     exit 1
1980 }
1981
1982 show_list() {
1983     suffix=_$1
1984     shift
1985     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1986     exit 0
1987 }
1988
1989 for opt do
1990     optval="${opt#*=}"
1991     case "$opt" in
1992     --extra-ldflags=*) add_ldflags $optval
1993     ;;
1994     --extra-libs=*) add_extralibs $optval
1995     ;;
1996     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1997     ;;
1998     --enable-debug=*) debuglevel="$optval"
1999     ;;
2000     --disable-everything)
2001     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2002     ;;
2003     --enable-*=*|--disable-*=*)
2004     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2005     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2006     eval list=\$$(toupper $thing)_LIST
2007     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2008     $action $(filter "$name" $list)
2009     ;;
2010     --enable-?*|--disable-?*)
2011     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2012     if is_in $option $COMPONENT_LIST; then
2013         test $action = disable && action=unset
2014         eval $action \$$(toupper ${option%s})_LIST
2015     elif is_in $option $CMDLINE_SELECT; then
2016         $action $option
2017     else
2018         die_unknown $opt
2019     fi
2020     ;;
2021     --list-*)
2022         NAME="${opt#--list-}"
2023         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2024         NAME=${NAME%s}
2025         eval show_list $NAME \$$(toupper $NAME)_LIST
2026     ;;
2027     --help|-h) show_help
2028     ;;
2029     *)
2030     optname="${opt%%=*}"
2031     optname="${optname#--}"
2032     optname=$(echo "$optname" | sed 's/-/_/g')
2033     if is_in $optname $CMDLINE_SET; then
2034         eval $optname='$optval'
2035     elif is_in $optname $CMDLINE_APPEND; then
2036         append $optname "$optval"
2037     else
2038          die_unknown $opt
2039     fi
2040     ;;
2041     esac
2042 done
2043
2044 disabled logging && logfile=/dev/null
2045
2046 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2047 set >> $logfile
2048
2049 test -n "$cross_prefix" && enable cross_compile
2050
2051 if enabled cross_compile; then
2052     test -n "$arch" && test -n "$target_os" ||
2053         die "Must specify target arch and OS when cross-compiling"
2054 fi
2055
2056 set_default arch target_os postproc_version
2057
2058 # Check if we should build alternative libpostproc version instead of current
2059 if   test "$postproc_version" = $ALT_PP_VER; then
2060   LIBPOSTPROC_VERSION=$ALT_PP_VER
2061   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2062   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2063   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2064 elif test "$postproc_version" != current; then
2065   die "Invalid argument to --postproc-version. See --help output."
2066 fi
2067
2068 ar_default="${cross_prefix}${ar_default}"
2069 cc_default="${cross_prefix}${cc_default}"
2070 cxx_default="${cross_prefix}${cxx_default}"
2071 nm_default="${cross_prefix}${nm_default}"
2072 pkg_config_default="${cross_prefix}${pkg_config_default}"
2073 ranlib="${cross_prefix}${ranlib}"
2074 strip_default="${cross_prefix}${strip_default}"
2075
2076 sysinclude_default="${sysroot}/usr/include"
2077
2078 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2079 enabled cross_compile || host_cc_default=$cc
2080 set_default host_cc
2081
2082 if ! $pkg_config --version >/dev/null 2>&1; then
2083     warn "$pkg_config not found, library detection may fail."
2084     pkg_config=false
2085 fi
2086
2087 exesuf() {
2088     case $1 in
2089         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2090     esac
2091 }
2092
2093 EXESUF=$(exesuf $target_os)
2094 HOSTEXESUF=$(exesuf $host_os)
2095
2096 # set temporary file name
2097 : ${TMPDIR:=$TEMPDIR}
2098 : ${TMPDIR:=$TMP}
2099 : ${TMPDIR:=/tmp}
2100
2101 if ! check_cmd mktemp -u XXXXXX; then
2102     # simple replacement for missing mktemp
2103     # NOT SAFE FOR GENERAL USE
2104     mktemp(){
2105         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2106     }
2107 fi
2108
2109 tmpfile(){
2110     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2111         (set -C; exec > $tmp) 2>/dev/null ||
2112         die "Unable to create temporary file in $TMPDIR."
2113     append TMPFILES $tmp
2114     eval $1=$tmp
2115 }
2116
2117 trap 'rm -f -- $TMPFILES' EXIT
2118
2119 tmpfile TMPASM .asm
2120 tmpfile TMPC   .c
2121 tmpfile TMPCPP .cpp
2122 tmpfile TMPE   $EXESUF
2123 tmpfile TMPH   .h
2124 tmpfile TMPO   .o
2125 tmpfile TMPS   .S
2126 tmpfile TMPSH  .sh
2127 tmpfile TMPV   .ver
2128
2129 unset -f mktemp
2130
2131 chmod +x $TMPE
2132
2133 # make sure we can execute files in $TMPDIR
2134 cat > $TMPSH 2>> $logfile <<EOF
2135 #! /bin/sh
2136 EOF
2137 chmod +x $TMPSH >> $logfile 2>&1
2138 if ! $TMPSH >> $logfile 2>&1; then
2139     cat <<EOF
2140 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2141 variable to another directory and make sure that it is not mounted noexec.
2142 EOF
2143     die "Sanity test failed."
2144 fi
2145
2146 filter_asflags=echo
2147 filter_cflags=echo
2148 filter_cppflags=echo
2149
2150 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2151     cc_type=llvm_gcc
2152     cc_version=__VERSION__
2153     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2154     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2155     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2156     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2157     speed_cflags='-O3'
2158     size_cflags='-Os'
2159 elif $cc -v 2>&1 | grep -qi ^gcc; then
2160     cc_type=gcc
2161     cc_version=__VERSION__
2162     gcc_version=$($cc --version | head -n1)
2163     gcc_basever=$($cc -dumpversion)
2164     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2165     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2166     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2167     if ! $cc -dumpversion | grep -q '^2\.'; then
2168         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2169         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2170     fi
2171     speed_cflags='-O3'
2172     size_cflags='-Os'
2173 elif $cc --version 2>/dev/null | grep -q Intel; then
2174     cc_type=icc
2175     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2176     cc_ident=$($cc --version | head -n1)
2177     icc_version=$($cc -dumpversion)
2178     CC_DEPFLAGS='-MMD'
2179     AS_DEPFLAGS='-MMD'
2180     speed_cflags='-O3'
2181     size_cflags='-Os'
2182     noopt_cflags='-O1'
2183 elif $cc -v 2>&1 | grep -q xlc; then
2184     cc_type=xlc
2185     cc_version="AV_STRINGIFY(__IBMC__)"
2186     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2187     speed_cflags='-O5'
2188     size_cflags='-O5 -qcompact'
2189 elif $cc -V 2>/dev/null | grep -q Compaq; then
2190     cc_type=ccc
2191     cc_version="AV_STRINGIFY(__DECC_VER)"
2192     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2193     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2194     debuglevel=3
2195     add_ldflags -Wl,-z,now # calls to libots crash without this
2196     speed_cflags='-fast'
2197     size_cflags='-O1'
2198 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2199     test -d "$sysroot" || die "No valid sysroot specified."
2200     cc_type=armcc
2201     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2202     cc_ident=$($cc --vsn | head -n1)
2203     armcc_conf="$PWD/armcc.conf"
2204     $cc --arm_linux_configure                 \
2205         --arm_linux_config_file="$armcc_conf" \
2206         --configure_sysroot="$sysroot"        \
2207         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2208         die "Error creating armcc configuration file."
2209     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2210     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2211     as_default="${cross_prefix}gcc"
2212     CC_DEPFLAGS='-MMD'
2213     AS_DEPFLAGS='-MMD'
2214     speed_cflags='-O3'
2215     size_cflags='-Os'
2216     filter_asflags="filter_out -W${armcc_opt}*"
2217 elif $cc -version 2>/dev/null | grep -q TMS470; then
2218     cc_type=tms470
2219     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2220     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2221     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2222     CC_O='-fr=$(@D)'
2223     as_default="${cross_prefix}gcc"
2224     ld_default="${cross_prefix}gcc"
2225     TMPO=$(basename $TMPC .c).o
2226     append TMPFILES $TMPO
2227     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2228     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2229     AS_DEPFLAGS='-MMD'
2230     speed_cflags='-O3 -mf=5'
2231     size_cflags='-O3 -mf=2'
2232     filter_cflags=tms470_flags
2233     tms470_flags(){
2234         for flag; do
2235             case $flag in
2236                 -march=*|-mcpu=*)
2237                     case "${flag#*=}" in
2238                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2239                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2240                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2241                         armv6*|arm11*)          echo -mv=6   ;;
2242                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2243                                                 echo -mv=5e  ;;
2244                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2245                     esac
2246                     ;;
2247                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2248                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2249                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2250                 -msoft-float)   echo --float_support=vfplib       ;;
2251                 -O[0-3]|-mf=*)  echo $flag                        ;;
2252                 -g)             echo -g -mn                       ;;
2253                 -pds=*)         echo $flag                        ;;
2254             esac
2255         done
2256     }
2257 elif $cc -v 2>&1 | grep -q clang; then
2258     cc_type=clang
2259     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2260         cc_version=__clang_version__ || cc_version=__VERSION__
2261     cc_ident=$($cc --version | head -n1)
2262     CC_DEPFLAGS='-MMD'
2263     AS_DEPFLAGS='-MMD'
2264     speed_cflags='-O3'
2265     size_cflags='-Os'
2266 elif $cc -V 2>&1 | grep -q Sun; then
2267     cc_type=suncc
2268     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2269     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2270     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2271     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2272     add_ldflags -xc99
2273     speed_cflags='-O5'
2274     size_cflags='-O5 -xspace'
2275     filter_cflags=suncc_flags
2276     suncc_flags(){
2277         for flag; do
2278             case $flag in
2279                 -march=*|-mcpu=*)
2280                     case "${flag#*=}" in
2281                         native)                   echo -xtarget=native       ;;
2282                         v9|niagara)               echo -xarch=sparc          ;;
2283                         ultrasparc)               echo -xarch=sparcvis       ;;
2284                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2285                         i586|pentium)             echo -xchip=pentium        ;;
2286                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2287                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2288                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2289                         pentium4*)          echo -xtarget=pentium4           ;;
2290                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2291                         *-sse3)             echo -xarch=sse3                 ;;
2292                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2293                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2294                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2295                         k8|opteron|athlon64|athlon-fx)
2296                                                   echo -xarch=sse2a          ;;
2297                         athlon*)                  echo -xarch=pentium_proa   ;;
2298                     esac
2299                     ;;
2300                 -std=c99)             echo -xc99              ;;
2301                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2302                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2303                 -W*,*)                echo $flag              ;;
2304                 -f*-*|-W*)                                    ;;
2305                 *)                    echo $flag              ;;
2306             esac
2307         done
2308     }
2309 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2310     cc_type=pathscale
2311     cc_version=__PATHSCALE__
2312     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2313     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2314     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2315     speed_cflags='-O2'
2316     size_cflags='-Os'
2317     filter_cflags='filter_out -Wdisabled-optimization'
2318 elif $cc -v 2>&1 | grep -q Open64; then
2319     cc_type=open64
2320     cc_version=__OPEN64__
2321     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2322     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2323     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2324     speed_cflags='-O2'
2325     size_cflags='-Os'
2326     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2327 fi
2328
2329 test -n "$cc_type" && enable $cc_type ||
2330     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2331
2332 : ${as_default:=$cc}
2333 : ${dep_cc_default:=$cc}
2334 : ${ld_default:=$cc}
2335 set_default ar as dep_cc ld
2336
2337 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2338 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2339 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2340
2341 add_cflags $extra_cflags
2342 add_cxxflags $extra_cxxflags
2343 add_asflags $extra_cflags
2344
2345 if test -n "$sysroot"; then
2346     case "$cc_type" in
2347         gcc|llvm_gcc|clang)
2348             add_cppflags --sysroot="$sysroot"
2349             add_ldflags --sysroot="$sysroot"
2350         ;;
2351         tms470)
2352             add_cppflags -I"$sysinclude"
2353             add_ldflags  --sysroot="$sysroot"
2354         ;;
2355     esac
2356 fi
2357
2358 if test "$cpu" = host; then
2359     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2360
2361     case "$cc_type" in
2362         gcc|llvm_gcc)
2363             check_native(){
2364                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2365                 sed -n "/cc1.*$1=/{
2366                             s/.*$1=\\([^ ]*\\).*/\\1/
2367                             p
2368                             q
2369                         }" $TMPE
2370             }
2371             cpu=$(check_native -march || check_native -mcpu)
2372         ;;
2373     esac
2374
2375     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2376 fi
2377
2378 # Deal with common $arch aliases
2379 case "$arch" in
2380     arm*|iPad*)
2381         arch="arm"
2382     ;;
2383     mips|mipsel|IP*)
2384         arch="mips"
2385     ;;
2386     mips64*)
2387         arch="mips"
2388         subarch="mips64"
2389     ;;
2390     parisc|hppa)
2391         arch="parisc"
2392     ;;
2393     parisc64|hppa64)
2394         arch="parisc"
2395         subarch="parisc64"
2396     ;;
2397     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2398         arch="ppc"
2399     ;;
2400     s390|s390x)
2401         arch="s390"
2402     ;;
2403     sh4|sh)
2404         arch="sh4"
2405     ;;
2406     sun4u|sparc64)
2407         arch="sparc"
2408         subarch="sparc64"
2409     ;;
2410     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2411         arch="x86"
2412     ;;
2413 esac
2414
2415 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2416 enable $arch
2417
2418 # Add processor-specific flags
2419 if test "$cpu" = generic; then
2420     : do nothing
2421 elif enabled ppc; then
2422
2423     case $(tolower $cpu) in
2424         601|ppc601|powerpc601)
2425             cpuflags="-mcpu=601"
2426             disable altivec
2427         ;;
2428         603*|ppc603*|powerpc603*)
2429             cpuflags="-mcpu=603"
2430             disable altivec
2431         ;;
2432         604*|ppc604*|powerpc604*)
2433             cpuflags="-mcpu=604"
2434             disable altivec
2435         ;;
2436         g3|75*|ppc75*|powerpc75*)
2437             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2438             disable altivec
2439         ;;
2440         g4|745*|ppc745*|powerpc745*)
2441             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2442         ;;
2443         74*|ppc74*|powerpc74*)
2444             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2445         ;;
2446         g5|970|ppc970|powerpc970|power4*)
2447             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2448         ;;
2449         cell)
2450             cpuflags="-mcpu=cell"
2451             enable ldbrx
2452         ;;
2453         e500v2)
2454             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2455             disable altivec
2456         ;;
2457         e500)
2458             cpuflags="-mcpu=8540 -mhard-float"
2459             disable altivec
2460         ;;
2461     esac
2462
2463 elif enabled x86; then
2464
2465     case $cpu in
2466         i[345]86|pentium)
2467             cpuflags="-march=$cpu"
2468             disable mmx
2469         ;;
2470         # targets that do NOT support conditional mov (cmov)
2471         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2472             cpuflags="-march=$cpu"
2473             disable cmov
2474         ;;
2475         # targets that do support conditional mov (cmov)
2476         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2477             cpuflags="-march=$cpu"
2478             enable cmov
2479             enable fast_cmov
2480         ;;
2481         # targets that do support conditional mov but on which it's slow
2482         pentium4|pentium4m|prescott|nocona)
2483             cpuflags="-march=$cpu"
2484             enable cmov
2485             disable fast_cmov
2486         ;;
2487     esac
2488
2489 elif enabled sparc; then
2490
2491     case $cpu in
2492         niagara)
2493             cpuflags="-mcpu=$cpu"
2494             disable vis
2495         ;;
2496         sparc64)
2497             cpuflags="-mcpu=v9"
2498         ;;
2499     esac
2500
2501 elif enabled arm; then
2502
2503     case $cpu in
2504         armv*)
2505             cpuflags="-march=$cpu"
2506             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2507         ;;
2508         *)
2509             cpuflags="-mcpu=$cpu"
2510             case $cpu in
2511                 cortex-a*)                               subarch=armv7a  ;;
2512                 cortex-r*)                               subarch=armv7r  ;;
2513                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2514                 arm11*)                                  subarch=armv6   ;;
2515                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2516                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2517             esac
2518         ;;
2519     esac
2520
2521 elif enabled alpha; then
2522
2523     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2524
2525 elif enabled bfin; then
2526
2527     cpuflags="-mcpu=$cpu"
2528
2529 elif enabled mips; then
2530
2531     cpuflags="-march=$cpu"
2532
2533 elif enabled avr32; then
2534
2535     case $cpu in
2536         ap7[02]0[0-2])
2537             subarch="avr32_ap"
2538             cpuflags="-mpart=$cpu"
2539         ;;
2540         ap)
2541             subarch="avr32_ap"
2542             cpuflags="-march=$cpu"
2543         ;;
2544         uc3[ab]*)
2545             subarch="avr32_uc"
2546             cpuflags="-mcpu=$cpu"
2547         ;;
2548         uc)
2549             subarch="avr32_uc"
2550             cpuflags="-march=$cpu"
2551         ;;
2552     esac
2553
2554 fi
2555
2556 add_cflags $cpuflags
2557 add_asflags $cpuflags
2558
2559 # compiler sanity check
2560 check_exec <<EOF
2561 int main(void){ return 0; }
2562 EOF
2563 if test "$?" != 0; then
2564     echo "$cc is unable to create an executable file."
2565     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2566         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2567         echo "Only do this if you know what cross compiling means."
2568     fi
2569     die "C compiler test failed."
2570 fi
2571
2572 add_cppflags -D_ISOC99_SOURCE
2573 add_cxxflags -D__STDC_CONSTANT_MACROS
2574 check_cflags -std=c99
2575 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2576 #include <stdlib.h>
2577 EOF
2578 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2579 #include <stdlib.h>
2580 EOF
2581
2582 check_host_cflags -std=c99
2583 check_host_cflags -Wall
2584
2585 case "$arch" in
2586     alpha|ia64|mips|parisc|sparc)
2587         spic=$shared
2588     ;;
2589     x86)
2590         subarch="x86_32"
2591         check_cc <<EOF && subarch="x86_64"
2592         int test[(int)sizeof(char*) - 7];
2593 EOF
2594         if test "$subarch" = "x86_64"; then
2595             spic=$shared
2596         fi
2597     ;;
2598     ppc)
2599         check_cc <<EOF && subarch="ppc64"
2600         int test[(int)sizeof(char*) - 7];
2601 EOF
2602     ;;
2603 esac
2604
2605 enable $subarch
2606 enabled spic && enable pic
2607
2608 # OS specific
2609 case $target_os in
2610     haiku)
2611         prefix_default="/boot/common"
2612         network_extralibs="-lnetwork"
2613         host_libs=
2614         ;;
2615     sunos)
2616         FFSERVERLDFLAGS=""
2617         SHFLAGS='-shared -Wl,-h,$$(@F)'
2618         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2619         network_extralibs="-lsocket -lnsl"
2620         add_cppflags -D__EXTENSIONS__
2621         # When using suncc to build, the Solaris linker will mark
2622         # an executable with each instruction set encountered by
2623         # the Solaris assembler.  As our libraries contain their own
2624         # guards for processor-specific code, instead suppress
2625         # generation of the HWCAPS ELF section on Solaris x86 only.
2626         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2627         nm_opts='-P -g'
2628         ;;
2629     netbsd)
2630         disable symver
2631         oss_indev_extralibs="-lossaudio"
2632         oss_outdev_extralibs="-lossaudio"
2633         ;;
2634     openbsd)
2635         enable malloc_aligned
2636         # On OpenBSD 4.5. the compiler does not use PIC unless
2637         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2638         # however the generated executable will not do anything
2639         # (simply quits with exit-code 1, no crash, no output).
2640         # Thus explicitly enable PIC here.
2641         enable pic
2642         disable symver
2643         SHFLAGS='-shared'
2644         oss_indev_extralibs="-lossaudio"
2645         oss_outdev_extralibs="-lossaudio"
2646         ;;
2647     dragonfly)
2648         enable malloc_aligned
2649         disable symver
2650         ;;
2651     freebsd)
2652         enable malloc_aligned
2653         ;;
2654     bsd/os)
2655         add_extralibs -lpoll -lgnugetopt
2656         strip="strip -d"
2657         ;;
2658     darwin)
2659         enable malloc_aligned
2660         gas="gas-preprocessor.pl $cc"
2661         enabled ppc && add_asflags -force_cpusubtype_ALL
2662         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2663         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2664         strip="${strip} -x"
2665         add_ldflags -Wl,-dynamic,-search_paths_first
2666         SLIBSUF=".dylib"
2667         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2668         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2669         FFSERVERLDFLAGS=-Wl,-bind_at_load
2670         objformat="macho"
2671         enabled x86_64 && objformat="macho64"
2672         enabled_any pic shared ||
2673             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2674         ;;
2675     mingw32*)
2676         if test $target_os = "mingw32ce"; then
2677             disable network
2678         else
2679             target_os=mingw32
2680         fi
2681         LIBTARGET=i386
2682         if enabled x86_64; then
2683             enable malloc_aligned
2684             LIBTARGET=x64
2685         elif enabled arm; then
2686             LIBTARGET=arm-wince
2687         fi
2688         shlibdir_default="$bindir_default"
2689         SLIBPREF=""
2690         SLIBSUF=".dll"
2691         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2692         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2693         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2694         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2695         SLIB_INSTALL_LINKS=
2696         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2697         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2698         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'
2699         objformat="win32"
2700         enable dos_paths
2701         check_cflags -fno-common
2702         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2703                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2704                 die "ERROR: MinGW runtime version must be >= 3.15."
2705         add_cppflags -U__STRICT_ANSI__
2706         ;;
2707     cygwin*)
2708         target_os=cygwin
2709         shlibdir_default="$bindir_default"
2710         SLIBPREF="cyg"
2711         SLIBSUF=".dll"
2712         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2713         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2714         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2715         objformat="win32"
2716         enable dos_paths
2717         check_cflags -fno-common
2718         add_cppflags -U__STRICT_ANSI__
2719         ;;
2720     *-dos|freedos|opendos)
2721         network_extralibs="-lsocket"
2722         objformat="coff"
2723         enable dos_paths
2724         add_cppflags -U__STRICT_ANSI__
2725         ;;
2726     linux)
2727         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2728         enable dv1394
2729         ;;
2730     irix*)
2731         target_os=irix
2732         ranlib="echo ignoring ranlib"
2733         ;;
2734     os/2*)
2735         strip="lxlite -CS"
2736         ln_s="cp -f"
2737         objformat="aout"
2738         add_cppflags -D_GNU_SOURCE
2739         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2740         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2741         FFSERVERLDFLAGS=""
2742         LIBSUF="_s.a"
2743         SLIBPREF=""
2744         SLIBSUF=".dll"
2745         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2746         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2747         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2748           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2749           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2750           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2751           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2752           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2753         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2754           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2755         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2756         enable dos_paths
2757         enable_weak os2threads
2758         ;;
2759     gnu/kfreebsd)
2760         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2761         ;;
2762     gnu)
2763         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2764         ;;
2765     qnx)
2766         add_cppflags -D_QNX_SOURCE
2767         network_extralibs="-lsocket"
2768         ;;
2769     symbian)
2770         SLIBSUF=".dll"
2771         enable dos_paths
2772         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2773         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2774         add_ldflags -Wl,--target1-abs,--no-undefined \
2775                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2776                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2777         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2778                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2779                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2780         ;;
2781     none)
2782         ;;
2783     *)
2784         die "Unknown OS '$target_os'."
2785         ;;
2786 esac
2787
2788 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2789
2790 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2791
2792 set_default $PATHS_LIST
2793
2794 # we need to build at least one lib type
2795 if ! enabled_any static shared; then
2796     cat <<EOF
2797 At least one library type must be built.
2798 Specify --enable-static to build the static libraries or --enable-shared to
2799 build the shared libraries as well. To only build the shared libraries specify
2800 --disable-static in addition to --enable-shared.
2801 EOF
2802     exit 1;
2803 fi
2804
2805 die_license_disabled() {
2806     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2807 }
2808
2809 die_license_disabled gpl libcdio
2810 die_license_disabled gpl libutvideo
2811 die_license_disabled gpl libx264
2812 die_license_disabled gpl libxavs
2813 die_license_disabled gpl libxvid
2814 die_license_disabled gpl x11grab
2815
2816 die_license_disabled nonfree libaacplus
2817 die_license_disabled nonfree libfaac
2818 die_license_disabled nonfree openssl
2819
2820 die_license_disabled version3 libopencore_amrnb
2821 die_license_disabled version3 libopencore_amrwb
2822 die_license_disabled version3 libvo_aacenc
2823 die_license_disabled version3 libvo_amrwbenc
2824
2825 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2826
2827 disabled optimizations || check_cflags -fomit-frame-pointer
2828
2829 enable_pic() {
2830     enable pic
2831     add_cppflags -DPIC
2832     add_cflags   -fPIC
2833     add_asflags  -fPIC
2834 }
2835
2836 enabled pic && enable_pic
2837
2838 check_cc <<EOF || die "Symbol mangling check failed."
2839 int ff_extern;
2840 EOF
2841 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2842 extern_prefix=${sym%%ff_extern*}
2843
2844 check_cc <<EOF && enable inline_asm
2845 void foo(void) { __asm__ volatile ("" ::); }
2846 EOF
2847
2848 _restrict=
2849 for restrict_keyword in restrict __restrict__ __restrict; do
2850     check_cc <<EOF && _restrict=$restrict_keyword && break
2851 void foo(char * $restrict_keyword p);
2852 EOF
2853 done
2854
2855 check_cc <<EOF && enable attribute_packed
2856 struct { int x; } __attribute__((packed)) x;
2857 EOF
2858
2859 check_cc <<EOF && enable attribute_may_alias
2860 union { int x; } __attribute__((may_alias)) x;
2861 EOF
2862
2863 check_cc <<EOF || die "endian test failed"
2864 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2865 EOF
2866 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2867
2868 if enabled alpha; then
2869
2870     check_cflags -mieee
2871
2872 elif enabled arm; then
2873
2874     enabled thumb && check_cflags -mthumb || check_cflags -marm
2875     nogas=die
2876
2877     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2878         enable vfp_args
2879     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2880         case "${cross_prefix:-$cc}" in
2881             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2882             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2883 __asm__ (".eabi_attribute 28, 1");
2884 int main(void) { return 0; }
2885 EOF
2886         esac
2887         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2888     fi
2889
2890     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2891     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2892     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2893     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2894     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2895     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2896
2897     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2898
2899     enabled_all armv6t2 shared !pic && enable_pic
2900
2901 elif enabled mips; then
2902
2903     check_asm loongson '"dmult.g $1, $2, $3"'
2904     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2905
2906 elif enabled ppc; then
2907
2908     enable local_aligned_8 local_aligned_16
2909
2910     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2911     check_asm ibm_asm   '"add 0, 0, 0"'
2912     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2913     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2914
2915     # AltiVec flags: The FSF version of GCC differs from the Apple version
2916     if enabled altivec; then
2917         nogas=warn
2918         check_cflags -maltivec -mabi=altivec &&
2919         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2920         check_cflags -faltivec
2921
2922         # check if our compiler supports Motorola AltiVec C API
2923         check_cc <<EOF || disable altivec
2924 $inc_altivec_h
2925 int main(void) {
2926     vector signed int v1, v2, v3;
2927     v1 = vec_add(v2,v3);
2928     return 0;
2929 }
2930 EOF
2931
2932         # check if our compiler supports braces for vector declarations
2933         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2934 $inc_altivec_h
2935 int main (void) { (vector int) {1}; return 0; }
2936 EOF
2937     fi
2938
2939 elif enabled sparc; then
2940
2941     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2942         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2943
2944 elif enabled x86; then
2945
2946     enable local_aligned_8 local_aligned_16
2947
2948     # check whether EBP is available on x86
2949     # As 'i' is stored on the stack, this program will crash
2950     # if the base pointer is used to access it because the
2951     # base pointer is cleared in the inline assembly code.
2952     check_exec_crash <<EOF && enable ebp_available
2953     volatile int i=0;
2954     __asm__ volatile (
2955         "xorl %%ebp, %%ebp"
2956     ::: "%ebp");
2957     return i;
2958 EOF
2959
2960     # check whether EBX is available on x86
2961     check_asm ebx_available '""::"b"(0)' &&
2962         check_asm ebx_available '"":::"%ebx"'
2963
2964     # check whether xmm clobbers are supported
2965     check_asm xmm_clobbers '"":::"%xmm0"'
2966
2967     # check whether binutils is new enough to compile SSSE3/MMX2
2968     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2969     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2970
2971     if ! disabled_any asm mmx yasm; then
2972         if check_cmd $yasmexe --version; then
2973             enabled x86_64 && yasm_extra="-m amd64"
2974             yasm_debug="-g dwarf2"
2975         elif check_cmd nasm -v; then
2976             yasmexe=nasm
2977             yasm_debug="-g -F dwarf"
2978             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2979         fi
2980
2981         YASMFLAGS="-f $objformat $yasm_extra"
2982         enabled pic               && append YASMFLAGS "-DPIC"
2983         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2984         case "$objformat" in
2985             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2986         esac
2987
2988         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2989             die "yasm not found, use --disable-yasm for a crippled build"
2990         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2991     fi
2992
2993     case "$cpu" in
2994         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2995             disable fast_clz
2996         ;;
2997     esac
2998
2999 fi
3000
3001 if enabled asm; then
3002     as=${gas:=$as}
3003     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3004         $nogas "GNU assembler not found, install gas-preprocessor"
3005 fi
3006
3007 check_ldflags -Wl,--as-needed
3008
3009 if check_func dlopen; then
3010     ldl=
3011 elif check_func dlopen -ldl; then
3012     ldl=-ldl
3013 fi
3014
3015 if enabled network; then
3016     check_type "sys/types.h sys/socket.h" socklen_t
3017     check_type netdb.h "struct addrinfo"
3018     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3019     check_type netinet/in.h "struct sockaddr_in6"
3020     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3021     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3022     # Prefer arpa/inet.h over winsock2
3023     if check_header arpa/inet.h ; then
3024         check_func closesocket
3025     elif check_header winsock2.h ; then
3026         check_func_headers winsock2.h closesocket -lws2 && \
3027             network_extralibs="-lws2" || \
3028         { check_func_headers winsock2.h closesocket -lws2_32 && \
3029             network_extralibs="-lws2_32"; }
3030         check_type ws2tcpip.h socklen_t
3031         check_type ws2tcpip.h "struct addrinfo"
3032         check_type ws2tcpip.h "struct ipv6_mreq"
3033         check_type ws2tcpip.h "struct sockaddr_in6"
3034         check_type ws2tcpip.h "struct sockaddr_storage"
3035         check_struct winsock2.h "struct sockaddr" sa_len
3036     else
3037         disable network
3038     fi
3039 fi
3040
3041 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3042 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3043
3044 check_func  fcntl
3045 check_func  fork
3046 check_func  getaddrinfo $network_extralibs
3047 check_func  gethrtime
3048 check_func  getrusage
3049 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3050 check_func  inet_aton $network_extralibs
3051 check_func  isatty
3052 check_func  localtime_r
3053 check_func  ${malloc_prefix}memalign            && enable memalign
3054 check_func  mkstemp
3055 check_func  mmap
3056 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3057 check_func  setrlimit
3058 check_func  strerror_r
3059 check_func  strptime
3060 check_func  sched_getaffinity
3061 check_func  sysconf
3062 check_func  sysctl
3063 check_func_headers conio.h kbhit
3064 check_func_headers windows.h PeekNamedPipe
3065 check_func_headers io.h setmode
3066 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3067 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3068 check_func_headers windows.h GetProcessAffinityMask
3069 check_func_headers windows.h GetProcessTimes
3070 check_func_headers windows.h MapViewOfFile
3071 check_func_headers windows.h VirtualAlloc
3072
3073 check_header dlfcn.h
3074 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3075 check_header libcrystalhd/libcrystalhd_if.h
3076 check_header malloc.h
3077 check_header poll.h
3078 check_header sys/mman.h
3079 check_header sys/param.h
3080 check_header sys/resource.h
3081 check_header sys/select.h
3082 check_header termios.h
3083 check_header vdpau/vdpau.h
3084 check_header vdpau/vdpau_x11.h
3085 check_header X11/extensions/XvMClib.h
3086 check_header asm/types.h
3087
3088 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3089 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3090
3091 # check for VDA header
3092 if ! disabled vda; then
3093     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3094         enable vda
3095         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3096     fi
3097 fi
3098
3099 if ! disabled w32threads && ! enabled pthreads; then
3100     check_func _beginthreadex && enable w32threads
3101 fi
3102
3103 # check for some common methods of building with pthread support
3104 # do this before the optional library checks as some of them require pthreads
3105 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3106     enable pthreads
3107     if check_func pthread_create; then
3108         :
3109     elif check_func pthread_create -pthread; then
3110         add_cflags -pthread
3111         add_extralibs -pthread
3112     elif check_func pthread_create -pthreads; then
3113         add_cflags -pthreads
3114         add_extralibs -pthreads
3115     elif check_func pthread_create -lpthreadGC2; then
3116         add_extralibs -lpthreadGC2
3117     elif ! check_lib pthread.h pthread_create -lpthread; then
3118         disable pthreads
3119     fi
3120 fi
3121
3122 for thread in $THREADS_LIST; do
3123     if enabled $thread; then
3124         test -n "$thread_type" &&
3125             die "ERROR: Only one thread type must be selected." ||
3126             thread_type="$thread"
3127     fi
3128 done
3129
3130 check_lib math.h sin -lm && LIBM="-lm"
3131 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3132 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3133
3134 check_mathfunc cbrtf
3135 check_mathfunc exp2
3136 check_mathfunc exp2f
3137 check_mathfunc llrint
3138 check_mathfunc llrintf
3139 check_mathfunc log2
3140 check_mathfunc log2f
3141 check_mathfunc lrint
3142 check_mathfunc lrintf
3143 check_mathfunc round
3144 check_mathfunc roundf
3145 check_mathfunc trunc
3146 check_mathfunc truncf
3147
3148 # these are off by default, so fail if requested and not available
3149 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3150 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3151 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3152 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3153 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3154 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3155 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3156                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3157                         die "ERROR: libcelt version must be >= 0.11.0."; }
3158 enabled libdirac   && require_pkg_config dirac                          \
3159     "libdirac_decoder/dirac_parser.h"  \
3160     "dirac_decoder_init"
3161 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3162 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3163 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3164 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3165 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3166 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3167 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3168 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3169 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3170 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3171 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3172 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3173 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3174 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3175 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3176     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3177     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3178 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3179 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3180 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3181 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3182 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3183 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3184 enabled libvpx     && {
3185     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3186                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3187     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3188                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3189 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3190                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3191                         die "ERROR: libx264 version must be >= 0.118."; }
3192 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3193 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3194 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3195                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3196                         die "ERROR: openal not found"; } &&
3197                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3198                         die "ERROR: openal version must be 1.1 or compatible"; }
3199 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3200                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3201                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3202                         die "ERROR: openssl not found"; }
3203
3204 # libdc1394 check
3205 if enabled libdc1394; then
3206     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3207         enable libdc1394_2; } ||
3208     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3209         enable libdc1394_1; } ||
3210     die "ERROR: No version of libdc1394 found "
3211 fi
3212
3213 SDL_CONFIG="${cross_prefix}sdl-config"
3214 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3215     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3216     enable sdl &&
3217     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3218 else
3219   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3220     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3221     sdl_libs=$("${SDL_CONFIG}" --libs)
3222     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3223     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3224     enable sdl &&
3225     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3226   fi
3227 fi
3228 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3229
3230 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3231 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3232
3233 check_header linux/fb.h
3234 check_header linux/videodev.h
3235 check_header linux/videodev2.h
3236 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3237
3238 check_header sys/videoio.h
3239
3240 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3241 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3242 # w32api 3.12 had it defined wrong
3243 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3244
3245 check_type "dshow.h" IBaseFilter
3246
3247 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3248 { check_header dev/bktr/ioctl_meteor.h &&
3249   check_header dev/bktr/ioctl_bt848.h; } ||
3250 { check_header machine/ioctl_meteor.h &&
3251   check_header machine/ioctl_bt848.h; } ||
3252 { check_header dev/video/meteor/ioctl_meteor.h &&
3253   check_header dev/video/bktr/ioctl_bt848.h; } ||
3254 check_header dev/ic/bt8xx.h
3255
3256 check_header sndio.h
3257 if check_struct sys/soundcard.h audio_buf_info bytes; then
3258     enable_safe sys/soundcard.h
3259 else
3260     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3261     #include <sys/soundcard.h>
3262     audio_buf_info abc;
3263 EOF
3264 fi
3265 check_header soundcard.h
3266
3267 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3268
3269 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3270
3271 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3272
3273 enabled libcdio &&
3274     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3275
3276 enabled x11grab                         &&
3277 check_header X11/Xlib.h                 &&
3278 check_header X11/extensions/XShm.h      &&
3279 check_header X11/extensions/Xfixes.h    &&
3280 check_func XOpenDisplay -lX11           &&
3281 check_func XShmCreateImage -lX11 -lXext &&
3282 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3283
3284 if ! disabled vaapi; then
3285     check_lib va/va.h vaInitialize -lva && {
3286         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3287         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3288     } || disable vaapi
3289 fi
3290
3291 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3292 check_cpp_condition \
3293     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3294     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3295       disable vdpau; }
3296 fi
3297
3298 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3299 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3300 test -n "$valgrind" && target_exec="$valgrind --error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3301
3302 # add some useful compiler flags if supported
3303 check_cflags -Wdeclaration-after-statement
3304 check_cflags -Wall
3305 check_cflags -Wno-parentheses
3306 check_cflags -Wno-switch
3307 check_cflags -Wno-format-zero-length
3308 check_cflags -Wdisabled-optimization
3309 check_cflags -Wpointer-arith
3310 check_cflags -Wredundant-decls
3311 check_cflags -Wno-pointer-sign
3312 check_cflags -Wcast-qual
3313 check_cflags -Wwrite-strings
3314 check_cflags -Wtype-limits
3315 check_cflags -Wundef
3316 check_cflags -Wmissing-prototypes
3317 check_cflags -Wno-pointer-to-int-cast
3318 check_cflags -Wstrict-prototypes
3319 enabled extra_warnings && check_cflags -Winline
3320
3321 # add some linker flags
3322 check_ldflags -Wl,--warn-common
3323 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3324 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3325
3326 enabled xmm_clobber_test &&                             \
3327     check_ldflags -Wl,--wrap,avcodec_open2              \
3328                   -Wl,--wrap,avcodec_decode_audio4      \
3329                   -Wl,--wrap,avcodec_decode_video2      \
3330                   -Wl,--wrap,avcodec_decode_subtitle2   \
3331                   -Wl,--wrap,avcodec_encode_audio2      \
3332                   -Wl,--wrap,avcodec_encode_video       \
3333                   -Wl,--wrap,avcodec_encode_subtitle    \
3334                   -Wl,--wrap,sws_scale ||               \
3335     disable xmm_clobber_test
3336
3337 echo "X{};" > $TMPV
3338 if test_ldflags -Wl,--version-script,$TMPV; then
3339     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3340     check_cc <<EOF && enable symver_asm_label
3341 void ff_foo(void) __asm__ ("av_foo@VERSION");
3342 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3343 EOF
3344     check_cc <<EOF && enable symver_gnu_asm
3345 __asm__(".symver ff_foo,av_foo@VERSION");
3346 void ff_foo(void) {}
3347 EOF
3348 fi
3349
3350 if [ -n "$optflags" ]; then
3351     add_cflags $optflags
3352 elif enabled small; then
3353     add_cflags $size_cflags
3354 elif enabled optimizations; then
3355     add_cflags $speed_cflags
3356 else
3357     add_cflags $noopt_cflags
3358 fi
3359 check_cflags -fno-math-errno
3360 check_cflags -fno-signed-zeros
3361 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3362 int x;
3363 EOF
3364
3365
3366 if enabled icc; then
3367     # Just warnings, no remarks
3368     check_cflags -w1
3369     # -wd: Disable following warnings
3370     # 144, 167, 556: -Wno-pointer-sign
3371     # 1292: attribute "foo" ignored
3372     # 10006: ignoring unknown option -fno-signed-zeros
3373     # 10148: ignoring unknown option -Wno-parentheses
3374     # 10156: ignoring option '-W'; no argument required
3375     check_cflags -wd144,167,556,1292,10006,10148,10156
3376     # 11030: Warning unknown option --as-needed
3377     # 10156: ignoring option '-export'; no argument required
3378     check_ldflags -wd10156,11030
3379     # Allow to compile with optimizations
3380     check_ldflags -march=$cpu
3381     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3382     enable ebp_available
3383     if enabled x86_32; then
3384         test ${icc_version%%.*} -ge 11 && \
3385             check_cflags -falign-stack=maintain-16-byte || \
3386             disable aligned_stack
3387     fi
3388 elif enabled ccc; then
3389     # disable some annoying warnings
3390     add_cflags -msg_disable cvtu32to64
3391     add_cflags -msg_disable embedcomment
3392     add_cflags -msg_disable needconstext
3393     add_cflags -msg_disable nomainieee
3394     add_cflags -msg_disable ptrmismatch1
3395     add_cflags -msg_disable unreachcode
3396 elif enabled gcc; then
3397     check_cflags -fno-tree-vectorize
3398     check_cflags -Werror=implicit-function-declaration
3399     check_cflags -Werror=missing-prototypes
3400 elif enabled llvm_gcc; then
3401     check_cflags -mllvm -stack-alignment=16
3402 elif enabled clang; then
3403     check_cflags -mllvm -stack-alignment=16
3404     check_cflags -Qunused-arguments
3405 elif enabled armcc; then
3406     # 2523: use of inline assembler is deprecated
3407     add_cflags -W${armcc_opt},--diag_suppress=2523
3408     add_cflags -W${armcc_opt},--diag_suppress=1207
3409     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3410     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3411     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3412     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3413 elif enabled tms470; then
3414     add_cflags -pds=824 -pds=837
3415 elif enabled pathscale; then
3416     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3417 fi
3418
3419 enabled_any $THREADS_LIST      && enable threads
3420
3421 check_deps $CONFIG_LIST       \
3422            $CONFIG_EXTRA      \
3423            $HAVE_LIST         \
3424            $ALL_COMPONENTS    \
3425            $ALL_TESTS         \
3426
3427 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3428
3429 if test $target_os = "haiku"; then
3430     disable memalign
3431     disable posix_memalign
3432 fi
3433
3434 ! enabled_any memalign posix_memalign malloc_aligned &&
3435     enabled_any $need_memalign && enable memalign_hack
3436
3437 # add_dep lib dep
3438 # -> enable ${lib}_deps_${dep}
3439 # -> add $dep to ${lib}_deps only once
3440 add_dep() {
3441     lib=$1
3442     dep=$2
3443     enabled "${lib}_deps_${dep}" && return 0
3444     enable  "${lib}_deps_${dep}"
3445     prepend "${lib}_deps" $dep
3446 }
3447
3448 # merge deps lib components
3449 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3450 merge_deps() {
3451     lib=$1
3452     shift
3453     for comp in $*; do
3454         enabled $comp || continue
3455         eval "dep=\"\$${comp}_deps\""
3456         for d in $dep; do
3457             add_dep $lib $d
3458         done
3459     done
3460 }
3461
3462 merge_deps libavfilter $FILTER_LIST
3463
3464 echo "install prefix            $prefix"
3465 echo "source path               $source_path"
3466 echo "C compiler                $cc"
3467 echo "ARCH                      $arch ($cpu)"
3468 if test "$build_suffix" != ""; then
3469     echo "build suffix              $build_suffix"
3470 fi
3471 if test "$progs_suffix" != ""; then
3472     echo "progs suffix              $progs_suffix"
3473 fi
3474 if test "$extra_version" != ""; then
3475     echo "version string suffix     $extra_version"
3476 fi
3477 echo "big-endian                ${bigendian-no}"
3478 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3479 if enabled x86; then
3480     echo "${yasmexe}                      ${yasm-no}"
3481     echo "MMX enabled               ${mmx-no}"
3482     echo "MMX2 enabled              ${mmx2-no}"
3483     echo "3DNow! enabled            ${amd3dnow-no}"
3484     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3485     echo "SSE enabled               ${sse-no}"
3486     echo "SSSE3 enabled             ${ssse3-no}"
3487     echo "AVX enabled               ${avx-no}"
3488     echo "CMOV enabled              ${cmov-no}"
3489     echo "CMOV is fast              ${fast_cmov-no}"
3490     echo "EBX available             ${ebx_available-no}"
3491     echo "EBP available             ${ebp_available-no}"
3492 fi
3493 if enabled arm; then
3494     echo "ARMv5TE enabled           ${armv5te-no}"
3495     echo "ARMv6 enabled             ${armv6-no}"
3496     echo "ARMv6T2 enabled           ${armv6t2-no}"
3497     echo "ARM VFP enabled           ${armvfp-no}"
3498     echo "NEON enabled              ${neon-no}"
3499 fi
3500 if enabled mips; then
3501     echo "MMI enabled               ${mmi-no}"
3502 fi
3503 if enabled ppc; then
3504     echo "AltiVec enabled           ${altivec-no}"
3505     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3506     echo "dcbzl available           ${dcbzl-no}"
3507 fi
3508 if enabled sparc; then
3509     echo "VIS enabled               ${vis-no}"
3510 fi
3511 echo "debug symbols             ${debug-no}"
3512 echo "strip symbols             ${stripping-no}"
3513 echo "optimize for size         ${small-no}"
3514 echo "optimizations             ${optimizations-no}"
3515 echo "static                    ${static-no}"
3516 echo "shared                    ${shared-no}"
3517 echo "postprocessing support    ${postproc-no}"
3518 echo "new filter support        ${avfilter-no}"
3519 echo "network support           ${network-no}"
3520 echo "threading support         ${thread_type-no}"
3521 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3522 echo "SDL support               ${sdl-no}"
3523 echo "libdxva2 enabled          ${dxva2-no}"
3524 echo "libva enabled             ${vaapi-no}"
3525 echo "libvdpau enabled          ${vdpau-no}"
3526 echo "AVISynth enabled          ${avisynth-no}"
3527 echo "frei0r enabled            ${frei0r-no}"
3528 echo "gnutls enabled            ${gnutls-no}"
3529 echo "libaacplus enabled        ${libaacplus-no}"
3530 echo "libass enabled            ${libass-no}"
3531 echo "libcdio support           ${libcdio-no}"
3532 echo "libcelt enabled           ${libcelt-no}"
3533 echo "libdc1394 support         ${libdc1394-no}"
3534 echo "libdirac enabled          ${libdirac-no}"
3535 echo "libfaac enabled           ${libfaac-no}"
3536 echo "libgsm enabled            ${libgsm-no}"
3537 echo "libmodplug enabled        ${libmodplug-no}"
3538 echo "libmp3lame enabled        ${libmp3lame-no}"
3539 echo "libnut enabled            ${libnut-no}"
3540 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3541 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3542 echo "libopencv support         ${libopencv-no}"
3543 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3544 echo "libpulse enabled          ${libpulse-no}"
3545 echo "librtmp enabled           ${librtmp-no}"
3546 echo "libschroedinger enabled   ${libschroedinger-no}"
3547 echo "libspeex enabled          ${libspeex-no}"
3548 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3549 echo "libtheora enabled         ${libtheora-no}"
3550 echo "libutvideo enabled        ${libutvideo-no}"
3551 echo "libv4l2 enabled           ${libv4l2-no}"
3552 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3553 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3554 echo "libvorbis enabled         ${libvorbis-no}"
3555 echo "libvpx enabled            ${libvpx-no}"
3556 echo "libx264 enabled           ${libx264-no}"
3557 echo "libxavs enabled           ${libxavs-no}"
3558 echo "libxvid enabled           ${libxvid-no}"
3559 echo "openal enabled            ${openal-no}"
3560 echo "openssl enabled           ${openssl-no}"
3561 echo "zlib enabled              ${zlib-no}"
3562 echo "bzlib enabled             ${bzlib-no}"
3563 echo
3564
3565 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3566     echo "Enabled ${type}s:"
3567     eval list=\$$(toupper $type)_LIST
3568     print_enabled '_*' $list | sort | pr -r -3 -t
3569     echo
3570 done
3571
3572 license="LGPL version 2.1 or later"
3573 if enabled nonfree; then
3574     license="nonfree and unredistributable"
3575 elif enabled gplv3; then
3576     license="GPL version 3 or later"
3577 elif enabled lgplv3; then
3578     license="LGPL version 3 or later"
3579 elif enabled gpl; then
3580     license="GPL version 2 or later"
3581 fi
3582
3583 echo "License: $license"
3584
3585 echo "Creating config.mak and config.h..."
3586
3587 test -e Makefile || $ln_s "$source_path/Makefile" .
3588
3589 enabled stripping || strip="echo skipping strip"
3590
3591 config_files="$TMPH config.mak"
3592
3593 cat > config.mak <<EOF
3594 # Automatically generated by configure - do not modify!
3595 ifndef FFMPEG_CONFIG_MAK
3596 FFMPEG_CONFIG_MAK=1
3597 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3598 prefix=$prefix
3599 LIBDIR=\$(DESTDIR)$libdir
3600 SHLIBDIR=\$(DESTDIR)$shlibdir
3601 INCDIR=\$(DESTDIR)$incdir
3602 BINDIR=\$(DESTDIR)$bindir
3603 DATADIR=\$(DESTDIR)$datadir
3604 MANDIR=\$(DESTDIR)$mandir
3605 SRC_PATH=$source_path
3606 ifndef MAIN_MAKEFILE
3607 SRC_PATH:=\$(SRC_PATH:.%=..%)
3608 endif
3609 CC_IDENT=$cc_ident
3610 ARCH=$arch
3611 CC=$cc
3612 CXX=$cxx
3613 AS=$as
3614 LD=$ld
3615 DEPCC=$dep_cc
3616 YASM=$yasmexe
3617 YASMDEP=$yasmexe
3618 AR=$ar
3619 RANLIB=$ranlib
3620 CP=cp -p
3621 LN_S=$ln_s
3622 STRIP=$strip
3623 CPPFLAGS=$CPPFLAGS
3624 CFLAGS=$CFLAGS
3625 CXXFLAGS=$CXXFLAGS
3626 ASFLAGS=$ASFLAGS
3627 AS_O=$CC_O
3628 CC_O=$CC_O
3629 CXX_O=$CXX_O
3630 LDFLAGS=$LDFLAGS
3631 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3632 SHFLAGS=$SHFLAGS
3633 YASMFLAGS=$YASMFLAGS
3634 BUILDSUF=$build_suffix
3635 PROGSSUF=$progs_suffix
3636 FULLNAME=$FULLNAME
3637 LIBPREF=$LIBPREF
3638 LIBSUF=$LIBSUF
3639 LIBNAME=$LIBNAME
3640 SLIBPREF=$SLIBPREF
3641 SLIBSUF=$SLIBSUF
3642 EXESUF=$EXESUF
3643 EXTRA_VERSION=$extra_version
3644 DEPFLAGS=$DEPFLAGS
3645 CCDEP=$CCDEP
3646 CXXDEP=$CXXDEP
3647 ASDEP=$ASDEP
3648 CC_DEPFLAGS=$CC_DEPFLAGS
3649 AS_DEPFLAGS=$AS_DEPFLAGS
3650 HOSTCC=$host_cc
3651 HOSTCFLAGS=$host_cflags
3652 HOSTEXESUF=$HOSTEXESUF
3653 HOSTLDFLAGS=$host_ldflags
3654 HOSTLIBS=$host_libs
3655 TARGET_EXEC=$target_exec
3656 TARGET_PATH=$target_path
3657 SDL_LIBS=$sdl_libs
3658 SDL_CFLAGS=$sdl_cflags
3659 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3660 EXTRALIBS=$extralibs
3661 INSTALL=$install
3662 LIBTARGET=${LIBTARGET}
3663 SLIBNAME=${SLIBNAME}
3664 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3665 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3666 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3667 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3668 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3669 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3670 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3671 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3672 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3673 NOREDZONE_FLAGS=$noredzone_flags
3674 EOF
3675
3676 get_version(){
3677     name=$1
3678     file=$source_path/$2
3679 # This condition will be removed when we stop supporting old libpostproc versions
3680 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3681     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3682     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3683 fi
3684     lcname=$(tolower $name)
3685     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3686     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3687 }
3688
3689 get_version LIBAVCODEC  libavcodec/version.h
3690 get_version LIBAVDEVICE libavdevice/avdevice.h
3691 get_version LIBAVFILTER libavfilter/version.h
3692 get_version LIBAVFORMAT libavformat/version.h
3693 get_version LIBAVUTIL   libavutil/avutil.h
3694 get_version LIBPOSTPROC libpostproc/postprocess.h
3695 get_version LIBSWRESAMPLE libswresample/swresample.h
3696 get_version LIBSWSCALE  libswscale/swscale.h
3697
3698 cat > $TMPH <<EOF
3699 /* Automatically generated by configure - do not modify! */
3700 #ifndef FFMPEG_CONFIG_H
3701 #define FFMPEG_CONFIG_H
3702 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3703 #define FFMPEG_LICENSE "$(c_escape $license)"
3704 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3705 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3706 #define CC_TYPE "$cc_type"
3707 #define CC_VERSION $cc_version
3708 #define restrict $_restrict
3709 #define EXTERN_PREFIX "${extern_prefix}"
3710 #define EXTERN_ASM ${extern_prefix}
3711 #define SLIBSUF "$SLIBSUF"
3712 EOF
3713
3714 test -n "$malloc_prefix" &&
3715     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3716
3717 if enabled small || disabled optimizations; then
3718     echo "#undef  av_always_inline"  >> $TMPH
3719     if enabled small; then
3720         echo "#define av_always_inline inline"  >> $TMPH
3721     else
3722         echo "#define av_always_inline av_unused"  >> $TMPH
3723     fi
3724 fi
3725
3726 if enabled yasm; then
3727     append config_files $TMPASM
3728     printf '' >$TMPASM
3729 fi
3730
3731 print_config ARCH_   "$config_files" $ARCH_LIST
3732 print_config HAVE_   "$config_files" $HAVE_LIST
3733 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3734                                      $CONFIG_EXTRA      \
3735                                      $ALL_COMPONENTS    \
3736
3737 cat >>config.mak <<EOF
3738 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3739 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3740 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3741 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3742 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3743 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3744 EOF
3745
3746 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3747 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3748
3749 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3750 cp_if_changed $TMPH config.h
3751 touch .config
3752
3753 enabled yasm && cp_if_changed $TMPASM config.asm
3754
3755 cat > $TMPH <<EOF
3756 /* Generated by ffconf */
3757 #ifndef AVUTIL_AVCONFIG_H
3758 #define AVUTIL_AVCONFIG_H
3759 EOF
3760
3761 test "$postproc_version" != current && cat >> $TMPH <<EOF
3762 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3763 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3764 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3765 EOF
3766
3767 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3768
3769 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3770
3771 cp_if_changed $TMPH libavutil/avconfig.h
3772
3773 test -n "$WARNINGS" && printf "\n$WARNINGS"
3774
3775 # build pkg-config files
3776
3777 pkgconfig_generate(){
3778 name=$1
3779 shortname=${name#lib}${build_suffix}
3780 comment=$2
3781 version=$3
3782 libs=$4
3783 requires=$5
3784 enabled ${name#lib} || return 0
3785 mkdir -p $name
3786 cat <<EOF > $name/$name.pc
3787 prefix=$prefix
3788 exec_prefix=\${prefix}
3789 libdir=$libdir
3790 includedir=$incdir
3791
3792 Name: $name
3793 Description: $comment
3794 Version: $version
3795 Requires: $(enabled shared || echo $requires)
3796 Requires.private: $(enabled shared && echo $requires)
3797 Conflicts:
3798 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3799 Libs.private: $(enabled shared && echo $libs)
3800 Cflags: -I\${includedir}
3801 EOF
3802 cat <<EOF > $name/$name-uninstalled.pc
3803 prefix=
3804 exec_prefix=
3805 libdir=\${pcfiledir}
3806 includedir=${source_path}
3807
3808 Name: $name
3809 Description: $comment
3810 Version: $version
3811 Requires: $requires
3812 Conflicts:
3813 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3814 Cflags: -I\${includedir}
3815 EOF
3816 }
3817
3818 libavfilter_pc_deps=""
3819 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3820 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3821 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3822 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3823 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3824 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3825
3826 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
3827 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
3828
3829 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3830 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3831 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3832 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
3833 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3834 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3835 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3836 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"