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 Help options:
  63   --help                   print this message
  64   --list-decoders          show all available decoders
  65   --list-encoders          show all available encoders
  66   --list-hwaccels          show all available hardware accelerators
  67   --list-demuxers          show all available demuxers
  68   --list-muxers            show all available muxers
  69   --list-parsers           show all available parsers
  70   --list-protocols         show all available protocols
  71   --list-bsfs              show all available bitstream filters
  72   --list-indevs            show all available input devices
  73   --list-outdevs           show all available output devices
  74   --list-filters           show all available filters
  75
  76 Standard options:
  77   --logfile=FILE           log tests and output to FILE [config.log]
  78   --disable-logging        do not log configure debug information
  79   --prefix=PREFIX          install in PREFIX [$prefix]
  80   --bindir=DIR             install binaries in DIR [PREFIX/bin]
  81   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
  82   --libdir=DIR             install libs in DIR [PREFIX/lib]
  83   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
  84   --incdir=DIR             install includes in DIR [PREFIX/include]
  85   --mandir=DIR             install man page in DIR [PREFIX/share/man]
  86
  87 Licensing options:
  88   --enable-gpl             allow use of GPL code, the resulting libs
  89                            and binaries will be under GPL [no]
  90   --enable-version3        upgrade (L)GPL to version 3 [no]
  91   --enable-nonfree         allow use of nonfree code, the resulting libs
  92                            and binaries will be unredistributable [no]
  93
  94 Configuration options:
  95   --disable-static         do not build static libraries [no]
  96   --enable-shared          build shared libraries [no]
  97   --enable-small           optimize for size instead of speed
  98   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
  99   --enable-gray            enable full grayscale support (slower color)
 100   --disable-swscale-alpha  disable alpha channel support in swscale
 101
 102 Component options:
 103   --disable-doc            do not build documentation
 104   --disable-ffmpeg         disable ffmpeg build
 105   --disable-ffplay         disable ffplay build
 106   --disable-ffprobe        disable ffprobe build
 107   --disable-ffserver       disable ffserver build
 108   --disable-avdevice       disable libavdevice build
 109   --disable-avcodec        disable libavcodec build
 110   --disable-avformat       disable libavformat build
 111   --disable-swresample     disable libswresample build
 112   --disable-swscale        disable libswscale build
 113   --disable-postproc       disable libpostproc build
 114   --disable-avfilter       disable video filter support [no]
 115   --disable-pthreads       disable pthreads [auto]
 116   --disable-w32threads     disable Win32 threads [auto]
 117   --disable-os2threads     disable OS/2 threads [auto]
 118   --enable-x11grab         enable X11 grabbing [no]
 119   --disable-network        disable network support [no]
 120   --disable-dct            disable DCT code
 121   --disable-fft            disable FFT code
 122   --disable-mdct           disable MDCT code
 123   --disable-rdft           disable RDFT code
 124   --disable-fft            disable FFT code
 125   --enable-dxva2           enable DXVA2 code
 126   --enable-vaapi           enable VAAPI code [autodetect]
 127   --enable-vda             enable VDA code   [autodetect]
 128   --enable-vdpau           enable VDPAU code [autodetect]
 129
 130 Individual component options:
 131   --disable-everything     disable all components listed below
 132   --disable-encoder=NAME   disable encoder NAME
 133   --enable-encoder=NAME    enable encoder NAME
 134   --disable-encoders       disable all encoders
 135   --disable-decoder=NAME   disable decoder NAME
 136   --enable-decoder=NAME    enable decoder NAME
 137   --disable-decoders       disable all decoders
 138   --disable-hwaccel=NAME   disable hwaccel NAME
 139   --enable-hwaccel=NAME    enable hwaccel NAME
 140   --disable-hwaccels       disable all hwaccels
 141   --disable-muxer=NAME     disable muxer NAME
 142   --enable-muxer=NAME      enable muxer NAME
 143   --disable-muxers         disable all muxers
 144   --disable-demuxer=NAME   disable demuxer NAME
 145   --enable-demuxer=NAME    enable demuxer NAME
 146   --disable-demuxers       disable all demuxers
 147   --enable-parser=NAME     enable parser NAME
 148   --disable-parser=NAME    disable parser NAME
 149   --disable-parsers        disable all parsers
 150   --enable-bsf=NAME        enable bitstream filter NAME
 151   --disable-bsf=NAME       disable bitstream filter NAME
 152   --disable-bsfs           disable all bitstream filters
 153   --enable-protocol=NAME   enable protocol NAME
 154   --disable-protocol=NAME  disable protocol NAME
 155   --disable-protocols      disable all protocols
 156   --enable-indev=NAME      enable input device NAME
 157   --disable-indev=NAME     disable input device NAME
 158   --disable-indevs         disable input devices
 159   --enable-outdev=NAME     enable output device NAME
 160   --disable-outdev=NAME    disable output device NAME
 161   --disable-outdevs        disable output devices
 162   --disable-devices        disable all devices
 163   --enable-filter=NAME     enable filter NAME
 164   --disable-filter=NAME    disable filter NAME
 165   --disable-filters        disable all 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   --optflags               override optimization-related compiler flags
 237   --build-suffix=SUFFIX    library name suffix []
 238   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
 239   --progs-suffix=SUFFIX    program name suffix []
 240   --arch=ARCH              select architecture [$arch]
 241   --cpu=CPU                select the minimum required CPU (affects
 242                            instruction selection, may crash on older CPUs)
 243   --enable-pic             build position-independent code
 244   --enable-sram            allow use of on-chip SRAM
 245   --disable-symver         disable symbol versioning
 246   --disable-fastdiv        disable table-based division
 247   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 248   --disable-safe-bitstream-reader
 249                            disable buffer boundary checking in bitreaders
 250                            (faster, but may crash)
 251   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 252
 253 Optimization options (experts only):
 254   --disable-asm            disable all assembler optimizations
 255   --disable-altivec        disable AltiVec optimizations
 256   --disable-amd3dnow       disable 3DNow! optimizations
 257   --disable-amd3dnowext    disable 3DNow! extended optimizations
 258   --disable-mmx            disable MMX optimizations
 259   --disable-mmx2           disable MMX2 optimizations
 260   --disable-sse            disable SSE optimizations
 261   --disable-ssse3          disable SSSE3 optimizations
 262   --disable-avx            disable AVX optimizations
 263   --disable-armv5te        disable armv5te optimizations
 264   --disable-armv6          disable armv6 optimizations
 265   --disable-armv6t2        disable armv6t2 optimizations
 266   --disable-armvfp         disable ARM VFP optimizations
 267   --disable-mmi            disable MMI optimizations
 268   --disable-neon           disable NEON optimizations
 269   --disable-vis            disable VIS optimizations
 270   --disable-yasm           disable use of yasm assembler
 271   --postproc-version=V     build libpostproc version V.
 272                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
 273
 274 Developer options (useful when working on FFmpeg itself):
 275   --enable-coverage        build with test coverage instrumentation
 276   --disable-debug          disable debugging symbols
 277   --enable-debug=LEVEL     set the debug level [$debuglevel]
 278   --disable-optimizations  disable compiler optimizations
 279   --enable-extra-warnings  enable more compiler warnings
 280   --disable-stripping      disable stripping of executables and shared libraries
 281   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
 282                            leaks and errors, using the specified valgrind binary.
 283                            Cannot be combined with --target-exec
 284   --samples=PATH           location of test samples for FATE, if not set use
 285                            \$FATE_SAMPLES at make invocation time.
 286   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
 287                            should be used only for debugging purposes)
 288
 289 NOTE: Object files are built at the place where configure is launched.
 290 EOF
 291   exit 0
 292 }
 293
 294 quotes='""'
 295
 296 log(){
 297     echo "$@" >> $logfile
 298 }
 299
 300 log_file(){
 301     log BEGIN $1
 302     pr -n -t $1 >> $logfile
 303     log END $1
 304 }
 305
 306 echolog(){
 307     log "$@"
 308     echo "$@"
 309 }
 310
 311 warn(){
 312     log "WARNING: $*"
 313     WARNINGS="${WARNINGS}WARNING: $*\n"
 314 }
 315
 316 die(){
 317     echolog "$@"
 318     cat <<EOF
 319
 320 If you think configure made a mistake, make sure you are using the latest
 321 version from Git.  If the latest version fails, report the problem to the
 322 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 323 EOF
 324     if disabled logging; then
 325         cat <<EOF
 326 Rerun configure with logging enabled (do not use --disable-logging), and
 327 include the log this produces with your report.
 328 EOF
 329     else
 330 cat <<EOF
 331 Include the log file "$logfile" produced by configure as this will help
 332 solving the problem.
 333 EOF
 334     fi
 335     exit 1
 336 }
 337
 338 # Avoid locale weirdness, besides we really just want to translate ASCII.
 339 toupper(){
 340     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 341 }
 342
 343 tolower(){
 344     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 345 }
 346
 347 c_escape(){
 348     echo "$*" | sed 's/["\\]/\\\0/g'
 349 }
 350
 351 sh_quote(){
 352     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 353     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 354     echo "$v"
 355 }
 356
 357 cleanws(){
 358     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 359 }
 360
 361 filter(){
 362     pat=$1
 363     shift
 364     for v; do
 365         eval "case $v in $pat) echo $v ;; esac"
 366     done
 367 }
 368
 369 filter_out(){
 370     pat=$1
 371     shift
 372     for v; do
 373         eval "case $v in $pat) ;; *) echo $v ;; esac"
 374     done
 375 }
 376
 377 map(){
 378     m=$1
 379     shift
 380     for v; do eval $m; done
 381 }
 382
 383 set_all(){
 384     value=$1
 385     shift
 386     for var in $*; do
 387         eval $var=$value
 388     done
 389 }
 390
 391 set_weak(){
 392     value=$1
 393     shift
 394     for var; do
 395         eval : \${$var:=$value}
 396     done
 397 }
 398
 399 set_safe(){
 400     var=$1
 401     shift
 402     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 403 }
 404
 405 get_safe(){
 406     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 407 }
 408
 409 pushvar(){
 410     for var in $*; do
 411         eval level=\${${var}_level:=0}
 412         eval ${var}_${level}="\$$var"
 413         eval ${var}_level=$(($level+1))
 414     done
 415 }
 416
 417 popvar(){
 418     for var in $*; do
 419         eval level=\${${var}_level:-0}
 420         test $level = 0 && continue
 421         eval level=$(($level-1))
 422         eval $var="\${${var}_${level}}"
 423         eval ${var}_level=$level
 424         eval unset ${var}_${level}
 425     done
 426 }
 427
 428 enable(){
 429     set_all yes $*
 430 }
 431
 432 disable(){
 433     set_all no $*
 434 }
 435
 436 enable_weak(){
 437     set_weak yes $*
 438 }
 439
 440 disable_weak(){
 441     set_weak no $*
 442 }
 443
 444 enable_safe(){
 445     for var; do
 446         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 447     done
 448 }
 449
 450 disable_safe(){
 451     for var; do
 452         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 453     done
 454 }
 455
 456 do_enable_deep(){
 457     for var; do
 458         enabled $var && continue
 459         eval sel="\$${var}_select"
 460         eval sgs="\$${var}_suggest"
 461         pushvar var sgs
 462         enable_deep $sel
 463         popvar sgs
 464         enable_deep_weak $sgs
 465         popvar var
 466     done
 467 }
 468
 469 enable_deep(){
 470     do_enable_deep $*
 471     enable $*
 472 }
 473
 474 enable_deep_weak(){
 475     do_enable_deep $*
 476     enable_weak $*
 477 }
 478
 479 enabled(){
 480     test "${1#!}" = "$1" && op== || op=!=
 481     eval test "x\$${1#!}" $op "xyes"
 482 }
 483
 484 disabled(){
 485     test "${1#!}" = "$1" && op== || op=!=
 486     eval test "x\$${1#!}" $op "xno"
 487 }
 488
 489 enabled_all(){
 490     for opt; do
 491         enabled $opt || return 1
 492     done
 493 }
 494
 495 disabled_all(){
 496     for opt; do
 497         disabled $opt || return 1
 498     done
 499 }
 500
 501 enabled_any(){
 502     for opt; do
 503         enabled $opt && return 0
 504     done
 505 }
 506
 507 disabled_any(){
 508     for opt; do
 509         disabled $opt && return 0
 510     done
 511     return 1
 512 }
 513
 514 set_default(){
 515     for opt; do
 516         eval : \${$opt:=\$${opt}_default}
 517     done
 518 }
 519
 520 is_in(){
 521     value=$1
 522     shift
 523     for var in $*; do
 524         [ $var = $value ] && return 0
 525     done
 526     return 1
 527 }
 528
 529 check_deps(){
 530     for cfg; do
 531         cfg="${cfg#!}"
 532         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 533         disabled ${cfg}_checking && continue
 534         enable ${cfg}_checking
 535
 536         eval dep_all="\$${cfg}_deps"
 537         eval dep_any="\$${cfg}_deps_any"
 538         eval dep_sel="\$${cfg}_select"
 539         eval dep_sgs="\$${cfg}_suggest"
 540         eval dep_ifa="\$${cfg}_if"
 541         eval dep_ifn="\$${cfg}_if_any"
 542
 543         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 544         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 545         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 546
 547         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 548         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 549         enabled_all  $dep_all || disable $cfg
 550         enabled_any  $dep_any || disable $cfg
 551         disabled_any $dep_sel && disable $cfg
 552
 553         if enabled $cfg; then
 554             eval dep_extralibs="\$${cfg}_extralibs"
 555             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 556             enable_deep $dep_sel
 557             enable_deep_weak $dep_sgs
 558         fi
 559
 560         disable ${cfg}_checking
 561     done
 562 }
 563
 564 print_config_h(){
 565     enabled $1 && v=1 || v=0
 566     echo "#define $2 $v"
 567 }
 568
 569 print_config_mak(){
 570     enabled $1 && v= || v=!
 571     echo "$v$2=yes"
 572 }
 573
 574 print_config_asm(){
 575     enabled $1 && v=1 || v=0
 576     echo "%define $2 $v"
 577 }
 578
 579 print_config(){
 580     pfx=$1
 581     files=$2
 582     shift 2
 583     for cfg; do
 584         ucname="$(toupper $cfg)"
 585         for f in $files; do
 586             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 587         done
 588     done
 589 }
 590
 591 print_enabled(){
 592     test "$1" = -n && end=" " && shift || end="\n"
 593     suf=$1
 594     shift
 595     for v; do
 596         enabled $v && printf "%s$end" ${v%$suf};
 597     done
 598 }
 599
 600 append(){
 601     var=$1
 602     shift
 603     eval "$var=\"\$$var $*\""
 604 }
 605
 606 prepend(){
 607     var=$1
 608     shift
 609     eval "$var=\"$* \$$var\""
 610 }
 611
 612 add_cppflags(){
 613     append CPPFLAGS $($filter_cppflags "$@")
 614 }
 615
 616 add_cflags(){
 617     append CFLAGS $($filter_cflags "$@")
 618 }
 619
 620 add_cxxflags(){
 621     append CXXFLAGS $($filter_cflags "$@")
 622 }
 623
 624 add_asflags(){
 625     append ASFLAGS $($filter_asflags "$@")
 626 }
 627
 628 add_ldflags(){
 629     append LDFLAGS "$@"
 630 }
 631
 632 add_extralibs(){
 633     prepend extralibs "$@"
 634 }
 635
 636 check_cmd(){
 637     log "$@"
 638     "$@" >> $logfile 2>&1
 639 }
 640
 641 check_cc(){
 642     log check_cc "$@"
 643     cat > $TMPC
 644     log_file $TMPC
 645     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 646 }
 647
 648 check_cxx(){
 649     log check_cxx "$@"
 650     cat > $TMPCPP
 651     log_file $TMPCPP
 652     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
 653 }
 654
 655 check_cpp(){
 656     log check_cpp "$@"
 657     cat > $TMPC
 658     log_file $TMPC
 659     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 660 }
 661
 662 check_as(){
 663     log check_as "$@"
 664     cat > $TMPC
 665     log_file $TMPC
 666     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 667 }
 668
 669 check_asm(){
 670     log check_asm "$@"
 671     name="$1"
 672     code="$2"
 673     shift 2
 674     disable $name
 675     check_as "$@" <<EOF && enable $name
 676 void foo(void){ __asm__ volatile($code); }
 677 EOF
 678 }
 679
 680 check_yasm(){
 681     log check_yasm "$@"
 682     echo "$1" > $TMPS
 683     log_file $TMPS
 684     shift 1
 685     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 686 }
 687
 688 check_ld(){
 689     log check_ld "$@"
 690     type=$1
 691     shift 1
 692     flags=''
 693     libs=''
 694     for f; do
 695         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 696     done
 697     check_$type $($filter_cflags $flags) || return
 698     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
 699 }
 700
 701 check_cppflags(){
 702     log check_cppflags "$@"
 703     set -- $($filter_cppflags "$@")
 704     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 705 int x;
 706 EOF
 707 }
 708
 709 check_cflags(){
 710     log check_cflags "$@"
 711     set -- $($filter_cflags "$@")
 712     check_cc "$@" <<EOF && append CFLAGS "$@"
 713 int x;
 714 EOF
 715 }
 716
 717 check_cxxflags(){
 718     log check_cxxflags "$@"
 719     set -- $($filter_cflags "$@")
 720     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 721 int x;
 722 EOF
 723 }
 724
 725 test_ldflags(){
 726     log test_ldflags "$@"
 727     check_ld "cc" "$@" <<EOF
 728 int main(void){ return 0; }
 729 EOF
 730 }
 731
 732 check_ldflags(){
 733     log check_ldflags "$@"
 734     test_ldflags "$@" && add_ldflags "$@"
 735 }
 736
 737 check_header(){
 738     log check_header "$@"
 739     header=$1
 740     shift
 741     disable_safe $header
 742     check_cpp "$@" <<EOF && enable_safe $header
 743 #include <$header>
 744 int x;
 745 EOF
 746 }
 747
 748 check_func(){
 749     log check_func "$@"
 750     func=$1
 751     shift
 752     disable $func
 753     check_ld "cc" "$@" <<EOF && enable $func
 754 extern int $func();
 755 int main(void){ $func(); }
 756 EOF
 757 }
 758
 759 check_mathfunc(){
 760     log check_mathfunc "$@"
 761     func=$1
 762     shift
 763     disable $func
 764     check_ld "cc" "$@" <<EOF && enable $func
 765 #include <math.h>
 766 float foo(float f) { return $func(f); }
 767 int main(void){ return (int) foo; }
 768 EOF
 769 }
 770
 771 check_func_headers(){
 772     log check_func_headers "$@"
 773     headers=$1
 774     funcs=$2
 775     shift 2
 776     {
 777         for hdr in $headers; do
 778             echo "#include <$hdr>"
 779         done
 780         for func in $funcs; do
 781             echo "long check_$func(void) { return (long) $func; }"
 782         done
 783         echo "int main(void) { return 0; }"
 784     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 785 }
 786
 787 check_class_headers_cpp(){
 788     log check_class_headers_cpp "$@"
 789     headers=$1
 790     classes=$2
 791     shift 2
 792     {
 793         for hdr in $headers; do
 794             echo "#include <$hdr>"
 795         done
 796         echo "int main(void) { "
 797         i=1
 798         for class in $classes; do
 799             echo "$class obj$i;"
 800             i=$(expr $i + 1)
 801         done
 802         echo "return 0; }"
 803     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 804 }
 805
 806 check_cpp_condition(){
 807     log check_cpp_condition "$@"
 808     header=$1
 809     condition=$2
 810     shift 2
 811     check_cpp $($filter_cppflags "$@") <<EOF
 812 #include <$header>
 813 #if !($condition)
 814 #error "unsatisfied condition: $condition"
 815 #endif
 816 EOF
 817 }
 818
 819 check_lib(){
 820     log check_lib "$@"
 821     header="$1"
 822     func="$2"
 823     shift 2
 824     check_header $header && check_func $func "$@" && add_extralibs "$@"
 825 }
 826
 827 check_lib2(){
 828     log check_lib2 "$@"
 829     headers="$1"
 830     funcs="$2"
 831     shift 2
 832     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 833 }
 834
 835 check_lib_cpp(){
 836     log check_lib_cpp "$@"
 837     headers="$1"
 838     classes="$2"
 839     shift 2
 840     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 841 }
 842
 843 check_pkg_config(){
 844     log check_pkg_config "$@"
 845     pkg="$1"
 846     headers="$2"
 847     funcs="$3"
 848     shift 3
 849     $pkg_config --exists $pkg 2>/dev/null || return
 850     pkg_cflags=$($pkg_config --cflags $pkg)
 851     pkg_libs=$($pkg_config --libs $pkg)
 852     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 853         set_safe ${pkg}_cflags $pkg_cflags   &&
 854         set_safe ${pkg}_libs   $pkg_libs
 855 }
 856
 857 check_exec(){
 858     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 859 }
 860
 861 check_exec_crash(){
 862     code=$(cat)
 863
 864     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 865     # are safe but may not be available everywhere.  Thus we use
 866     # raise(SIGTERM) instead.  The check is run in a subshell so we
 867     # can redirect the "Terminated" message from the shell.  SIGBUS
 868     # is not defined by standard C so it is used conditionally.
 869
 870     (check_exec "$@") >> $logfile 2>&1 <<EOF
 871 #include <signal.h>
 872 static void sighandler(int sig){
 873     raise(SIGTERM);
 874 }
 875 int func(void){
 876     $code
 877 }
 878 int (*func_ptr)(void) = func;
 879 int main(void){
 880     signal(SIGILL, sighandler);
 881     signal(SIGFPE, sighandler);
 882     signal(SIGSEGV, sighandler);
 883 #ifdef SIGBUS
 884     signal(SIGBUS, sighandler);
 885 #endif
 886     return func_ptr();
 887 }
 888 EOF
 889 }
 890
 891 check_type(){
 892     log check_type "$@"
 893     headers=$1
 894     type=$2
 895     shift 2
 896     disable_safe "$type"
 897     incs=""
 898     for hdr in $headers; do
 899         incs="$incs
 900 #include <$hdr>"
 901     done
 902     check_cc "$@" <<EOF && enable_safe "$type"
 903 $incs
 904 $type v;
 905 EOF
 906 }
 907
 908 check_struct(){
 909     log check_type "$@"
 910     headers=$1
 911     struct=$2
 912     member=$3
 913     shift 3
 914     disable_safe "${struct}_${member}"
 915     incs=""
 916     for hdr in $headers; do
 917         incs="$incs
 918 #include <$hdr>"
 919     done
 920     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
 921 $incs
 922 const void *p = &(($struct *)0)->$member;
 923 EOF
 924 }
 925
 926 require(){
 927     name="$1"
 928     header="$2"
 929     func="$3"
 930     shift 3
 931     check_lib $header $func "$@" || die "ERROR: $name not found"
 932 }
 933
 934 require2(){
 935     name="$1"
 936     headers="$2"
 937     func="$3"
 938     shift 3
 939     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 940 }
 941
 942 require_cpp(){
 943     name="$1"
 944     headers="$2"
 945     classes="$3"
 946     shift 3
 947     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
 948 }
 949
 950 require_pkg_config(){
 951     pkg="$1"
 952     check_pkg_config "$@" || die "ERROR: $pkg not found"
 953     add_cflags    $(get_safe ${pkg}_cflags)
 954     add_extralibs $(get_safe ${pkg}_libs)
 955 }
 956
 957 check_host_cc(){
 958     log check_host_cc "$@"
 959     cat > $TMPC
 960     log_file $TMPC
 961     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
 962 }
 963
 964 check_host_cflags(){
 965     log check_host_cflags "$@"
 966     check_host_cc "$@" <<EOF && append host_cflags "$@"
 967 int x;
 968 EOF
 969 }
 970
 971 apply(){
 972     file=$1
 973     shift
 974     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 975 }
 976
 977 cp_if_changed(){
 978     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
 979     mkdir -p "$(dirname $2)"
 980     cp -f "$1" "$2"
 981 }
 982
 983 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 984 # system-dependent things.
 985
 986 COMPONENT_LIST="
 987     bsfs
 988     decoders
 989     demuxers
 990     encoders
 991     filters
 992     hwaccels
 993     indevs
 994     muxers
 995     outdevs
 996     parsers
 997     protocols
 998 "
 999
1000 PROGRAM_LIST="
1001     ffplay
1002     ffprobe
1003     ffserver
1004     ffmpeg
1005 "
1006
1007 CONFIG_LIST="
1008     $COMPONENT_LIST
1009     $PROGRAM_LIST
1010     ac3dsp
1011     avcodec
1012     avdevice
1013     avfilter
1014     avformat
1015     avisynth
1016     bzlib
1017     crystalhd
1018     dct
1019     doc
1020     dwt
1021     dxva2
1022     fastdiv
1023     fft
1024     frei0r
1025     gnutls
1026     gpl
1027     gray
1028     hardcoded_tables
1029     libaacplus
1030     libass
1031     libbluray
1032     libcdio
1033     libcelt
1034     libdc1394
1035     libdirac
1036     libfaac
1037     libfreetype
1038     libgsm
1039     libmodplug
1040     libmp3lame
1041     libnut
1042     libopencore_amrnb
1043     libopencore_amrwb
1044     libopencv
1045     libopenjpeg
1046     libpulse
1047     librtmp
1048     libschroedinger
1049     libspeex
1050     libstagefright_h264
1051     libtheora
1052     libutvideo
1053     libv4l2
1054     libvo_aacenc
1055     libvo_amrwbenc
1056     libvorbis
1057     libvpx
1058     libx264
1059     libxavs
1060     libxvid
1061     lsp
1062     mdct
1063     memalign_hack
1064     mpegaudiodsp
1065     network
1066     nonfree
1067     openal
1068     openssl
1069     pic
1070     postproc
1071     rdft
1072     rtpdec
1073     runtime_cpudetect
1074     safe_bitstream_reader
1075     shared
1076     sinewin
1077     small
1078     sram
1079     static
1080     swresample
1081     swscale
1082     swscale_alpha
1083     thumb
1084     vaapi
1085     vda
1086     vdpau
1087     version3
1088     xmm_clobber_test
1089     x11grab
1090     zlib
1091 "
1092
1093 THREADS_LIST='
1094     pthreads
1095     w32threads
1096     os2threads
1097 '
1098
1099 ARCH_LIST='
1100     alpha
1101     arm
1102     avr32
1103     avr32_ap
1104     avr32_uc
1105     bfin
1106     ia64
1107     m68k
1108     mips
1109     mips64
1110     parisc
1111     ppc
1112     ppc64
1113     s390
1114     sh4
1115     sparc
1116     sparc64
1117     tomi
1118     x86
1119     x86_32
1120     x86_64
1121 '
1122
1123 ARCH_EXT_LIST='
1124     altivec
1125     amd3dnow
1126     amd3dnowext
1127     armv5te
1128     armv6
1129     armv6t2
1130     armvfp
1131     avx
1132     mmi
1133     mmx
1134     mmx2
1135     neon
1136     ppc4xx
1137     sse
1138     ssse3
1139     vfpv3
1140     vis
1141 '
1142
1143 HAVE_LIST_PUB='
1144     bigendian
1145     fast_unaligned
1146 '
1147
1148 HAVE_LIST="
1149     $ARCH_EXT_LIST
1150     $HAVE_LIST_PUB
1151     $THREADS_LIST
1152     aligned_stack
1153     alsa_asoundlib_h
1154     altivec_h
1155     arpa_inet_h
1156     asm_mod_y
1157     asm_types_h
1158     attribute_may_alias
1159     attribute_packed
1160     cbrtf
1161     closesocket
1162     cmov
1163     dcbzl
1164     dev_bktr_ioctl_bt848_h
1165     dev_bktr_ioctl_meteor_h
1166     dev_ic_bt8xx_h
1167     dev_video_bktr_ioctl_bt848_h
1168     dev_video_meteor_ioctl_meteor_h
1169     dlfcn_h
1170     dlopen
1171     dos_paths
1172     ebp_available
1173     ebx_available
1174     exp2
1175     exp2f
1176     fast_64bit
1177     fast_clz
1178     fast_cmov
1179     fcntl
1180     fork
1181     getaddrinfo
1182     gethrtime
1183     GetProcessAffinityMask
1184     GetProcessMemoryInfo
1185     GetProcessTimes
1186     getrusage
1187     gnu_as
1188     ibm_asm
1189     inet_aton
1190     inline_asm
1191     isatty
1192     kbhit
1193     ldbrx
1194     libdc1394_1
1195     libdc1394_2
1196     llrint
1197     llrintf
1198     local_aligned_16
1199     local_aligned_8
1200     localtime_r
1201     log2
1202     log2f
1203     loongson
1204     lrint
1205     lrintf
1206     lzo1x_999_compress
1207     machine_ioctl_bt848_h
1208     machine_ioctl_meteor_h
1209     makeinfo
1210     malloc_h
1211     MapViewOfFile
1212     memalign
1213     mkstemp
1214     mmap
1215     PeekNamedPipe
1216     poll_h
1217     posix_memalign
1218     round
1219     roundf
1220     sched_getaffinity
1221     sdl
1222     sdl_video_size
1223     setmode
1224     setrlimit
1225     sndio_h
1226     socklen_t
1227     soundcard_h
1228     strerror_r
1229     strptime
1230     struct_addrinfo
1231     struct_ipv6_mreq
1232     struct_rusage_ru_maxrss
1233     struct_sockaddr_in6
1234     struct_sockaddr_sa_len
1235     struct_sockaddr_storage
1236     struct_v4l2_frmivalenum_discrete
1237     symver
1238     symver_asm_label
1239     symver_gnu_asm
1240     sysconf
1241     sysctl
1242     sys_mman_h
1243     sys_param_h
1244     sys_resource_h
1245     sys_select_h
1246     sys_soundcard_h
1247     sys_videoio_h
1248     termios_h
1249     threads
1250     trunc
1251     truncf
1252     vfp_args
1253     VirtualAlloc
1254     winsock2_h
1255     xform_asm
1256     xmm_clobbers
1257     yasm
1258 "
1259
1260 # options emitted with CONFIG_ prefix but not available on command line
1261 CONFIG_EXTRA="
1262     aandct
1263     avutil
1264     golomb
1265     gplv3
1266     h264chroma
1267     h264dsp
1268     h264pred
1269     huffman
1270     lgplv3
1271     lpc
1272 "
1273
1274 CMDLINE_SELECT="
1275     $ARCH_EXT_LIST
1276     $CONFIG_LIST
1277     $THREADS_LIST
1278     asm
1279     coverage
1280     cross_compile
1281     debug
1282     extra_warnings
1283     logging
1284     optimizations
1285     stripping
1286     symver
1287     yasm
1288 "
1289
1290 PATHS_LIST='
1291     bindir
1292     datadir
1293     incdir
1294     libdir
1295     mandir
1296     prefix
1297     shlibdir
1298 '
1299
1300 CMDLINE_SET="
1301     $PATHS_LIST
1302     ar
1303     arch
1304     as
1305     build_suffix
1306     cc
1307     cpu
1308     cross_prefix
1309     cxx
1310     dep_cc
1311     extra_version
1312     host_cc
1313     host_cflags
1314     host_ldflags
1315     host_libs
1316     host_os
1317     install
1318     ld
1319     logfile
1320     malloc_prefix
1321     nm
1322     optflags
1323     pkg_config
1324     postproc_version
1325     progs_suffix
1326     samples
1327     strip
1328     sysinclude
1329     sysroot
1330     target_exec
1331     target_os
1332     target_path
1333     valgrind
1334     yasmexe
1335 "
1336
1337 CMDLINE_APPEND="
1338     extra_cflags
1339     extra_cxxflags
1340 "
1341
1342 # code dependency declarations
1343
1344 # architecture extensions
1345
1346 armv5te_deps="arm"
1347 armv6_deps="arm"
1348 armv6t2_deps="arm"
1349 armvfp_deps="arm"
1350 neon_deps="arm"
1351 vfpv3_deps="armvfp"
1352
1353 mmi_deps="mips"
1354
1355 altivec_deps="ppc"
1356 ppc4xx_deps="ppc"
1357
1358 vis_deps="sparc"
1359
1360 x86_64_suggest="cmov fast_cmov"
1361 amd3dnow_deps="mmx"
1362 amd3dnowext_deps="amd3dnow"
1363 mmx_deps="x86"
1364 mmx2_deps="mmx"
1365 sse_deps="mmx"
1366 ssse3_deps="sse"
1367 avx_deps="ssse3"
1368
1369 aligned_stack_if_any="ppc x86"
1370 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1371 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1372 fast_unaligned_if_any="armv6 ppc x86"
1373
1374 inline_asm_deps="!tms470"
1375 need_memalign="altivec neon sse"
1376
1377 symver_if_any="symver_asm_label symver_gnu_asm"
1378
1379 # subsystems
1380 dct_select="rdft"
1381 mdct_select="fft"
1382 rdft_select="fft"
1383 mpegaudiodsp_select="dct"
1384
1385 # decoders / encoders / hardware accelerators
1386 aac_decoder_select="mdct sinewin"
1387 aac_encoder_select="mdct sinewin"
1388 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1389 ac3_decoder_select="mdct ac3dsp ac3_parser"
1390 ac3_encoder_select="mdct ac3dsp"
1391 ac3_fixed_encoder_select="mdct ac3dsp"
1392 alac_encoder_select="lpc"
1393 amrnb_decoder_select="lsp"
1394 amrwb_decoder_select="lsp"
1395 atrac1_decoder_select="mdct sinewin"
1396 atrac3_decoder_select="mdct"
1397 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1398 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1399 cavs_decoder_select="golomb"
1400 cook_decoder_select="mdct sinewin"
1401 cscd_decoder_suggest="zlib"
1402 dca_decoder_select="mdct"
1403 dnxhd_encoder_select="aandct"
1404 dxa_decoder_select="zlib"
1405 eac3_decoder_select="ac3_decoder"
1406 eac3_encoder_select="mdct ac3dsp"
1407 eamad_decoder_select="aandct"
1408 eatgq_decoder_select="aandct"
1409 eatqi_decoder_select="aandct"
1410 ffv1_decoder_select="golomb"
1411 flac_decoder_select="golomb"
1412 flac_encoder_select="golomb lpc"
1413 flashsv_decoder_select="zlib"
1414 flashsv_encoder_select="zlib"
1415 flashsv2_encoder_select="zlib"
1416 flashsv2_decoder_select="zlib"
1417 flv_decoder_select="h263_decoder"
1418 flv_encoder_select="h263_encoder"
1419 fraps_decoder_select="huffman"
1420 h261_encoder_select="aandct"
1421 h263_decoder_select="h263_parser"
1422 h263_encoder_select="aandct"
1423 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1424 h263i_decoder_select="h263_decoder"
1425 h263p_encoder_select="h263_encoder"
1426 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1427 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1428 h264_dxva2_hwaccel_deps="dxva2api_h"
1429 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1430 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1431 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1432 h264_vda_hwaccel_select="vda h264_decoder"
1433 h264_vdpau_decoder_select="vdpau h264_decoder"
1434 imc_decoder_select="fft mdct sinewin"
1435 jpegls_decoder_select="golomb"
1436 jpegls_encoder_select="golomb"
1437 ljpeg_encoder_select="aandct"
1438 loco_decoder_select="golomb"
1439 mjpeg_encoder_select="aandct"
1440 mlp_decoder_select="mlp_parser"
1441 mp1_decoder_select="mpegaudiodsp"
1442 mp1float_decoder_select="mpegaudiodsp"
1443 mp2_decoder_select="mpegaudiodsp"
1444 mp2float_decoder_select="mpegaudiodsp"
1445 mp3_decoder_select="mpegaudiodsp"
1446 mp3adu_decoder_select="mpegaudiodsp"
1447 mp3adufloat_decoder_select="mpegaudiodsp"
1448 mp3float_decoder_select="mpegaudiodsp"
1449 mp3on4_decoder_select="mpegaudiodsp"
1450 mp3on4float_decoder_select="mpegaudiodsp"
1451 mpc7_decoder_select="mpegaudiodsp"
1452 mpc8_decoder_select="mpegaudiodsp"
1453 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1454 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1455 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1456 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1457 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1458 mpeg1video_encoder_select="aandct"
1459 mpeg2_crystalhd_decoder_select="crystalhd"
1460 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1461 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1462 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1463 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1464 mpeg2video_encoder_select="aandct"
1465 mpeg4_crystalhd_decoder_select="crystalhd"
1466 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1467 mpeg4_encoder_select="h263_encoder"
1468 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1469 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1470 msmpeg4_crystalhd_decoder_select="crystalhd"
1471 msmpeg4v1_decoder_select="h263_decoder"
1472 msmpeg4v1_encoder_select="h263_encoder"
1473 msmpeg4v2_decoder_select="h263_decoder"
1474 msmpeg4v2_encoder_select="h263_encoder"
1475 msmpeg4v3_decoder_select="h263_decoder"
1476 msmpeg4v3_encoder_select="h263_encoder"
1477 nellymoser_decoder_select="mdct sinewin"
1478 nellymoser_encoder_select="mdct sinewin"
1479 png_decoder_select="zlib"
1480 png_encoder_select="zlib"
1481 qcelp_decoder_select="lsp"
1482 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1483 ra_144_encoder_select="lpc"
1484 rv10_decoder_select="h263_decoder"
1485 rv10_encoder_select="h263_encoder"
1486 rv20_decoder_select="h263_decoder"
1487 rv20_encoder_select="h263_encoder"
1488 rv30_decoder_select="golomb h264chroma h264pred"
1489 rv40_decoder_select="golomb h264chroma h264pred"
1490 shorten_decoder_select="golomb"
1491 sipr_decoder_select="lsp"
1492 snow_decoder_select="dwt"
1493 snow_encoder_select="aandct dwt"
1494 sonic_decoder_select="golomb"
1495 sonic_encoder_select="golomb"
1496 sonic_ls_encoder_select="golomb"
1497 svq1_encoder_select="aandct"
1498 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1499 svq3_decoder_suggest="zlib"
1500 theora_decoder_select="vp3_decoder"
1501 tiff_decoder_suggest="zlib"
1502 tiff_encoder_suggest="zlib"
1503 truehd_decoder_select="mlp_decoder"
1504 tscc_decoder_select="zlib"
1505 twinvq_decoder_select="mdct lsp sinewin"
1506 vc1_crystalhd_decoder_select="crystalhd"
1507 vc1_decoder_select="h263_decoder h264chroma"
1508 vc1_dxva2_hwaccel_deps="dxva2api_h"
1509 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1510 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1511 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1512 vc1image_decoder_select="vc1_decoder"
1513 vorbis_decoder_select="mdct"
1514 vorbis_encoder_select="mdct"
1515 vp6_decoder_select="huffman"
1516 vp6a_decoder_select="vp6_decoder"
1517 vp6f_decoder_select="vp6_decoder"
1518 vp8_decoder_select="h264pred"
1519 wmapro_decoder_select="mdct sinewin"
1520 wmav1_decoder_select="mdct sinewin"
1521 wmav1_encoder_select="mdct sinewin"
1522 wmav2_decoder_select="mdct sinewin"
1523 wmav2_encoder_select="mdct sinewin"
1524 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1525 wmv1_decoder_select="h263_decoder"
1526 wmv1_encoder_select="h263_encoder"
1527 wmv2_decoder_select="h263_decoder"
1528 wmv2_encoder_select="h263_encoder"
1529 wmv3_decoder_select="vc1_decoder"
1530 wmv3_crystalhd_decoder_select="crystalhd"
1531 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1532 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1533 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1534 wmv3image_decoder_select="wmv3_decoder"
1535 zerocodec_decoder_select="zlib"
1536 zlib_decoder_select="zlib"
1537 zlib_encoder_select="zlib"
1538 zmbv_decoder_select="zlib"
1539 zmbv_encoder_select="zlib"
1540
1541 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1542 vaapi_deps="va_va_h"
1543 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1544 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1545
1546 # parsers
1547 h264_parser_select="golomb h264chroma h264dsp h264pred"
1548
1549 # external libraries
1550 libaacplus_encoder_deps="libaacplus"
1551 libcelt_decoder_deps="libcelt"
1552 libdirac_decoder_deps="libdirac !libschroedinger"
1553 libfaac_encoder_deps="libfaac"
1554 libgsm_decoder_deps="libgsm"
1555 libgsm_encoder_deps="libgsm"
1556 libgsm_ms_decoder_deps="libgsm"
1557 libgsm_ms_encoder_deps="libgsm"
1558 libmodplug_demuxer_deps="libmodplug"
1559 libmp3lame_encoder_deps="libmp3lame"
1560 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1561 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1562 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1563 libopenjpeg_decoder_deps="libopenjpeg"
1564 libopenjpeg_encoder_deps="libopenjpeg"
1565 libschroedinger_decoder_deps="libschroedinger"
1566 libschroedinger_encoder_deps="libschroedinger"
1567 libspeex_decoder_deps="libspeex"
1568 libspeex_encoder_deps="libspeex"
1569 libstagefright_h264_decoder_deps="libstagefright_h264"
1570 libtheora_encoder_deps="libtheora"
1571 libvo_aacenc_encoder_deps="libvo_aacenc"
1572 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1573 libvorbis_encoder_deps="libvorbis"
1574 libvpx_decoder_deps="libvpx"
1575 libvpx_encoder_deps="libvpx"
1576 libx264_encoder_deps="libx264"
1577 libx264rgb_encoder_deps="libx264"
1578 libxavs_encoder_deps="libxavs"
1579 libxvid_encoder_deps="libxvid"
1580 libutvideo_decoder_deps="libutvideo"
1581 libutvideo_encoder_deps="libutvideo"
1582
1583 # demuxers / muxers
1584 ac3_demuxer_select="ac3_parser"
1585 asf_stream_muxer_select="asf_muxer"
1586 avisynth_demuxer_deps="avisynth"
1587 dirac_demuxer_select="dirac_parser"
1588 eac3_demuxer_select="ac3_parser"
1589 flac_demuxer_select="flac_parser"
1590 ipod_muxer_select="mov_muxer"
1591 libnut_demuxer_deps="libnut"
1592 libnut_muxer_deps="libnut"
1593 matroska_audio_muxer_select="matroska_muxer"
1594 matroska_demuxer_suggest="zlib bzlib"
1595 mov_demuxer_suggest="zlib"
1596 mp3_demuxer_select="mpegaudio_parser"
1597 mp4_muxer_select="mov_muxer"
1598 mpegtsraw_demuxer_select="mpegts_demuxer"
1599 mxf_d10_muxer_select="mxf_muxer"
1600 ogg_demuxer_select="golomb"
1601 psp_muxer_select="mov_muxer"
1602 rtp_demuxer_select="sdp_demuxer"
1603 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1604 rtsp_demuxer_select="http_protocol rtpdec"
1605 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1606 sap_demuxer_select="sdp_demuxer"
1607 sap_muxer_select="rtp_muxer rtp_protocol"
1608 sdp_demuxer_select="rtpdec"
1609 spdif_muxer_select="aac_parser"
1610 tg2_muxer_select="mov_muxer"
1611 tgp_muxer_select="mov_muxer"
1612 w64_demuxer_deps="wav_demuxer"
1613
1614 # indevs / outdevs
1615 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1616 alsa_outdev_deps="alsa_asoundlib_h"
1617 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1618 dshow_indev_deps="IBaseFilter"
1619 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1620 dv1394_indev_deps="dv1394 dv_demuxer"
1621 fbdev_indev_deps="linux_fb_h"
1622 jack_indev_deps="jack_jack_h sem_timedwait"
1623 lavfi_indev_deps="avfilter"
1624 libcdio_indev_deps="libcdio"
1625 libdc1394_indev_deps="libdc1394"
1626 libv4l2_indev_deps="libv4l2"
1627 openal_indev_deps="openal"
1628 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1629 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1630 pulse_indev_deps="libpulse"
1631 sdl_outdev_deps="sdl"
1632 sndio_indev_deps="sndio_h"
1633 sndio_outdev_deps="sndio_h"
1634 v4l_indev_deps="linux_videodev_h"
1635 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1636 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1637 vfwcap_indev_extralibs="-lavicap32"
1638 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1639 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1640
1641 # protocols
1642 bluray_protocol_deps="libbluray"
1643 gopher_protocol_deps="network"
1644 httpproxy_protocol_deps="network"
1645 httpproxy_protocol_select="tcp_protocol"
1646 http_protocol_deps="network"
1647 http_protocol_select="tcp_protocol"
1648 https_protocol_select="tls_protocol"
1649 librtmp_protocol_deps="librtmp"
1650 librtmpe_protocol_deps="librtmp"
1651 librtmps_protocol_deps="librtmp"
1652 librtmpt_protocol_deps="librtmp"
1653 librtmpte_protocol_deps="librtmp"
1654 mmsh_protocol_select="http_protocol"
1655 mmst_protocol_deps="network"
1656 rtmp_protocol_deps="!librtmp_protocol"
1657 rtmp_protocol_select="tcp_protocol"
1658 rtp_protocol_select="udp_protocol"
1659 tcp_protocol_deps="network"
1660 tls_protocol_deps_any="openssl gnutls"
1661 tls_protocol_select="tcp_protocol"
1662 udp_protocol_deps="network"
1663
1664 # filters
1665 aconvert_filter_deps="swresample"
1666 amovie_filter_deps="avcodec avformat"
1667 aresample_filter_deps="swresample"
1668 ass_filter_deps="libass"
1669 blackframe_filter_deps="gpl"
1670 boxblur_filter_deps="gpl"
1671 cropdetect_filter_deps="gpl"
1672 delogo_filter_deps="gpl"
1673 drawtext_filter_deps="libfreetype"
1674 frei0r_filter_deps="frei0r dlopen"
1675 frei0r_src_filter_deps="frei0r dlopen"
1676 hqdn3d_filter_deps="gpl"
1677 movie_filter_deps="avcodec avformat"
1678 mp_filter_deps="gpl avcodec swscale postproc"
1679 mptestsrc_filter_deps="gpl"
1680 negate_filter_deps="lut_filter"
1681 ocv_filter_deps="libopencv"
1682 pan_filter_deps="swresample"
1683 scale_filter_deps="swscale"
1684 tinterlace_filter_deps="gpl"
1685 yadif_filter_deps="gpl"
1686
1687 # libraries
1688 avdevice_deps="avcodec avformat"
1689 avformat_deps="avcodec"
1690 postproc_deps="gpl"
1691
1692 # programs
1693 ffplay_deps="avcodec avformat swscale swresample sdl"
1694 ffplay_select="buffersink_filter rdft"
1695 ffprobe_deps="avcodec avformat"
1696 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1697 ffserver_extralibs='$ldl'
1698 ffmpeg_deps="avcodec avformat swscale swresample"
1699 ffmpeg_select="buffersink_filter"
1700
1701 doc_deps="texi2html"
1702
1703 # tests
1704
1705 test_deps(){
1706     suf1=$1
1707     suf2=$2
1708     shift 2
1709     for v; do
1710         dep=${v%=*}
1711         tests=${v#*=}
1712         for name in ${tests}; do
1713             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1714         done
1715     done
1716 }
1717
1718 mxf_d10_test_deps="avfilter"
1719 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1720
1721 test_deps _encoder _decoder                                             \
1722     adpcm_ima_qt                                                        \
1723     adpcm_ima_wav                                                       \
1724     adpcm_ms                                                            \
1725     adpcm_swf                                                           \
1726     adpcm_yamaha=adpcm_yam                                              \
1727     alac                                                                \
1728     asv1                                                                \
1729     asv2                                                                \
1730     bmp                                                                 \
1731     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1732     dvvideo="dv dv_411 dv50"                                            \
1733     ffv1                                                                \
1734     flac                                                                \
1735     flashsv                                                             \
1736     flv                                                                 \
1737     adpcm_g726=g726                                                     \
1738     gif                                                                 \
1739     h261                                                                \
1740     h263="h263 h263p"                                                   \
1741     huffyuv                                                             \
1742     jpegls                                                              \
1743     mjpeg="jpg mjpeg ljpeg"                                             \
1744     mp2                                                                 \
1745     mpeg1video="mpeg mpeg1b"                                            \
1746     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1747     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1748     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1749     mpeg4="mpeg4thread error rc"                                        \
1750     msmpeg4v3=msmpeg4                                                   \
1751     msmpeg4v2                                                           \
1752     pbm=pbmpipe                                                         \
1753     pcx                                                                 \
1754     pgm="pgm pgmpipe"                                                   \
1755     png                                                                 \
1756     ppm="ppm ppmpipe"                                                   \
1757     rawvideo="rgb yuv"                                                  \
1758     roq                                                                 \
1759     rv10                                                                \
1760     rv20                                                                \
1761     sgi                                                                 \
1762     snow="snow snowll"                                                  \
1763     svq1                                                                \
1764     targa=tga                                                           \
1765     tiff                                                                \
1766     wmav1                                                               \
1767     wmav2                                                               \
1768     wmv1                                                                \
1769     wmv2                                                                \
1770
1771 test_deps _muxer _demuxer                                               \
1772     aiff                                                                \
1773     pcm_alaw=alaw                                                       \
1774     asf                                                                 \
1775     au                                                                  \
1776     avi                                                                 \
1777     dv=dv_fmt                                                           \
1778     ffm                                                                 \
1779     flv=flv_fmt                                                         \
1780     gxf                                                                 \
1781     matroska=mkv                                                        \
1782     mmf                                                                 \
1783     mov="mov ismv"                                                      \
1784     pcm_mulaw=mulaw                                                     \
1785     mxf="mxf mxf_d10"                                                   \
1786     nut                                                                 \
1787     ogg="ogg ogg_vp3"                                                   \
1788     rawvideo=pixfmt                                                     \
1789     rm                                                                  \
1790     swf                                                                 \
1791     mpegts=ts                                                           \
1792     voc                                                                 \
1793     wav                                                                 \
1794     yuv4mpegpipe=yuv4mpeg                                               \
1795
1796 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1797 flashsv2_test_deps="zlib"
1798 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1799 mpng_test_deps="zlib"
1800 pp_test_deps="mp_filter"
1801 pp2_test_deps="mp_filter"
1802 pp3_test_deps="mp_filter"
1803 pp4_test_deps="mp_filter"
1804 pp5_test_deps="mp_filter"
1805 pp6_test_deps="mp_filter"
1806 zlib_test_deps="zlib"
1807 zmbv_test_deps="zlib"
1808
1809 # default parameters
1810
1811 logfile="config.log"
1812
1813 # installation paths
1814 prefix_default="/usr/local"
1815 bindir_default='${prefix}/bin'
1816 datadir_default='${prefix}/share/ffmpeg'
1817 incdir_default='${prefix}/include'
1818 libdir_default='${prefix}/lib'
1819 mandir_default='${prefix}/share/man'
1820 shlibdir_default="$libdir_default"
1821 postproc_version_default="current"
1822
1823 # toolchain
1824 ar_default="ar"
1825 cc_default="gcc"
1826 cxx_default="g++"
1827 cc_version=\"unknown\"
1828 host_cc_default="gcc"
1829 install="install"
1830 ln_s="ln -sf"
1831 nm_default="nm"
1832 objformat="elf"
1833 pkg_config_default=pkg-config
1834 ranlib="ranlib"
1835 strip_default="strip"
1836 yasmexe_default="yasm"
1837
1838 nm_opts='-g'
1839 nogas=":"
1840
1841 # machine
1842 arch_default=$(uname -m)
1843 cpu="generic"
1844
1845 # OS
1846 target_os_default=$(tolower $(uname -s))
1847 host_os=$target_os_default
1848
1849 # alternative libpostproc version
1850 ALT_PP_VER_MAJOR=51
1851 ALT_PP_VER_MINOR=2
1852 ALT_PP_VER_MICRO=101
1853 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1854
1855 # configurable options
1856 enable $PROGRAM_LIST
1857
1858 enable avcodec
1859 enable avdevice
1860 enable avfilter
1861 enable avformat
1862 enable avutil
1863 enable postproc
1864 enable stripping
1865 enable swresample
1866 enable swscale
1867
1868 enable asm
1869 enable debug
1870 enable doc
1871 enable fastdiv
1872 enable network
1873 enable optimizations
1874 enable safe_bitstream_reader
1875 enable static
1876 enable swscale_alpha
1877
1878 # build settings
1879 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1880 FFSERVERLDFLAGS=-Wl,-E
1881 LIBPREF="lib"
1882 LIBSUF=".a"
1883 FULLNAME='$(NAME)$(BUILDSUF)'
1884 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1885 SLIBPREF="lib"
1886 SLIBSUF=".so"
1887 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1888 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1889 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1890 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1891 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1892 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1893
1894 AS_O='-o $@'
1895 CC_O='-o $@'
1896 CXX_O='-o $@'
1897
1898 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1899 host_libs='-lm'
1900
1901 target_path='$(CURDIR)'
1902
1903 # since the object filename is not given with the -MM flag, the compiler
1904 # is only able to print the basename, and we must add the path ourselves
1905 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1906 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1907
1908 # find source path
1909 if test -f configure; then
1910     source_path=.
1911 else
1912     source_path=$(cd $(dirname "$0"); pwd)
1913     echo "$source_path" | grep -q '[[:blank:]]' &&
1914         die "Out of tree builds are impossible with whitespace in source path."
1915     test -e "$source_path/config.h" &&
1916         die "Out of tree builds are impossible with config.h in source dir."
1917 fi
1918
1919 for v in "$@"; do
1920     r=${v#*=}
1921     l=${v%"$r"}
1922     r=$(sh_quote "$r")
1923     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1924 done
1925
1926 find_things(){
1927     thing=$1
1928     pattern=$2
1929     file=$source_path/$3
1930     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1931 }
1932
1933 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1934 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1935 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1936 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1937 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1938 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1939 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1940 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1941 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1942 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1943 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1944
1945 ALL_COMPONENTS="
1946     $BSF_LIST
1947     $DECODER_LIST
1948     $DEMUXER_LIST
1949     $ENCODER_LIST
1950     $FILTER_LIST
1951     $HWACCEL_LIST
1952     $INDEV_LIST
1953     $MUXER_LIST
1954     $OUTDEV_LIST
1955     $PARSER_LIST
1956     $PROTOCOL_LIST
1957 "
1958
1959 find_tests(){
1960     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1961 }
1962
1963 ACODEC_TESTS=$(find_tests acodec)
1964 VCODEC_TESTS=$(find_tests vsynth1)
1965 LAVF_FATE_TESTS=$(find_tests lavf-fate)
1966 LAVF_TESTS=$(find_tests lavf)
1967 LAVFI_TESTS=$(find_tests lavfi)
1968 SEEK_TESTS=$(find_tests seek seek_)
1969
1970 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1971
1972 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1973
1974 for n in $COMPONENT_LIST; do
1975     v=$(toupper ${n%s})_LIST
1976     eval enable \$$v
1977     eval ${n}_if_any="\$$v"
1978 done
1979
1980 enable $ARCH_EXT_LIST $ALL_TESTS
1981
1982 die_unknown(){
1983     echo "Unknown option \"$1\"."
1984     echo "See $0 --help for available options."
1985     exit 1
1986 }
1987
1988 show_list() {
1989     suffix=_$1
1990     shift
1991     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1992     exit 0
1993 }
1994
1995 for opt do
1996     optval="${opt#*=}"
1997     case "$opt" in
1998     --extra-ldflags=*) add_ldflags $optval
1999     ;;
2000     --extra-libs=*) add_extralibs $optval
2001     ;;
2002     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2003     ;;
2004     --enable-debug=*) debuglevel="$optval"
2005     ;;
2006     --disable-everything)
2007     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2008     ;;
2009     --enable-*=*|--disable-*=*)
2010     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2011     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2012     eval list=\$$(toupper $thing)_LIST
2013     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2014     $action $(filter "$name" $list)
2015     ;;
2016     --enable-?*|--disable-?*)
2017     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2018     if is_in $option $COMPONENT_LIST; then
2019         test $action = disable && action=unset
2020         eval $action \$$(toupper ${option%s})_LIST
2021     elif is_in $option $CMDLINE_SELECT; then
2022         $action $option
2023     else
2024         die_unknown $opt
2025     fi
2026     ;;
2027     --list-*)
2028         NAME="${opt#--list-}"
2029         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2030         NAME=${NAME%s}
2031         eval show_list $NAME \$$(toupper $NAME)_LIST
2032     ;;
2033     --help|-h) show_help
2034     ;;
2035     *)
2036     optname="${opt%%=*}"
2037     optname="${optname#--}"
2038     optname=$(echo "$optname" | sed 's/-/_/g')
2039     if is_in $optname $CMDLINE_SET; then
2040         eval $optname='$optval'
2041     elif is_in $optname $CMDLINE_APPEND; then
2042         append $optname "$optval"
2043     else
2044          die_unknown $opt
2045     fi
2046     ;;
2047     esac
2048 done
2049
2050 disabled logging && logfile=/dev/null
2051
2052 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2053 set >> $logfile
2054
2055 test -n "$cross_prefix" && enable cross_compile
2056
2057 if enabled cross_compile; then
2058     test -n "$arch" && test -n "$target_os" ||
2059         die "Must specify target arch and OS when cross-compiling"
2060 fi
2061
2062 set_default arch target_os postproc_version
2063
2064 # Check if we should build alternative libpostproc version instead of current
2065 if   test "$postproc_version" = $ALT_PP_VER; then
2066   LIBPOSTPROC_VERSION=$ALT_PP_VER
2067   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2068   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2069   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2070 elif test "$postproc_version" != current; then
2071   die "Invalid argument to --postproc-version. See --help output."
2072 fi
2073
2074 ar_default="${cross_prefix}${ar_default}"
2075 cc_default="${cross_prefix}${cc_default}"
2076 cxx_default="${cross_prefix}${cxx_default}"
2077 nm_default="${cross_prefix}${nm_default}"
2078 pkg_config_default="${cross_prefix}${pkg_config_default}"
2079 ranlib="${cross_prefix}${ranlib}"
2080 strip_default="${cross_prefix}${strip_default}"
2081
2082 sysinclude_default="${sysroot}/usr/include"
2083
2084 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2085 enabled cross_compile || host_cc_default=$cc
2086 set_default host_cc
2087
2088 if ! $pkg_config --version >/dev/null 2>&1; then
2089     warn "$pkg_config not found, library detection may fail."
2090     pkg_config=false
2091 fi
2092
2093 exesuf() {
2094     case $1 in
2095         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2096     esac
2097 }
2098
2099 EXESUF=$(exesuf $target_os)
2100 HOSTEXESUF=$(exesuf $host_os)
2101
2102 # set temporary file name
2103 : ${TMPDIR:=$TEMPDIR}
2104 : ${TMPDIR:=$TMP}
2105 : ${TMPDIR:=/tmp}
2106
2107 if ! check_cmd mktemp -u XXXXXX; then
2108     # simple replacement for missing mktemp
2109     # NOT SAFE FOR GENERAL USE
2110     mktemp(){
2111         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2112     }
2113 fi
2114
2115 tmpfile(){
2116     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2117         (set -C; exec > $tmp) 2>/dev/null ||
2118         die "Unable to create temporary file in $TMPDIR."
2119     append TMPFILES $tmp
2120     eval $1=$tmp
2121 }
2122
2123 trap 'rm -f -- $TMPFILES' EXIT
2124
2125 tmpfile TMPASM .asm
2126 tmpfile TMPC   .c
2127 tmpfile TMPCPP .cpp
2128 tmpfile TMPE   $EXESUF
2129 tmpfile TMPH   .h
2130 tmpfile TMPO   .o
2131 tmpfile TMPS   .S
2132 tmpfile TMPSH  .sh
2133 tmpfile TMPV   .ver
2134
2135 unset -f mktemp
2136
2137 chmod +x $TMPE
2138
2139 # make sure we can execute files in $TMPDIR
2140 cat > $TMPSH 2>> $logfile <<EOF
2141 #! /bin/sh
2142 EOF
2143 chmod +x $TMPSH >> $logfile 2>&1
2144 if ! $TMPSH >> $logfile 2>&1; then
2145     cat <<EOF
2146 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2147 variable to another directory and make sure that it is not mounted noexec.
2148 EOF
2149     die "Sanity test failed."
2150 fi
2151
2152 filter_asflags=echo
2153 filter_cflags=echo
2154 filter_cppflags=echo
2155
2156 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2157     cc_type=llvm_gcc
2158     cc_version=__VERSION__
2159     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2160     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2161     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2162     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2163     speed_cflags='-O3'
2164     size_cflags='-Os'
2165 elif $cc -v 2>&1 | grep -qi ^gcc; then
2166     cc_type=gcc
2167     cc_version=__VERSION__
2168     gcc_version=$($cc --version | head -n1)
2169     gcc_basever=$($cc -dumpversion)
2170     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2171     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2172     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2173     if ! $cc -dumpversion | grep -q '^2\.'; then
2174         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2175         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2176     fi
2177     speed_cflags='-O3'
2178     size_cflags='-Os'
2179 elif $cc --version 2>/dev/null | grep -q Intel; then
2180     cc_type=icc
2181     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2182     cc_ident=$($cc --version | head -n1)
2183     icc_version=$($cc -dumpversion)
2184     CC_DEPFLAGS='-MMD'
2185     AS_DEPFLAGS='-MMD'
2186     speed_cflags='-O3'
2187     size_cflags='-Os'
2188     noopt_cflags='-O1'
2189 elif $cc -v 2>&1 | grep -q xlc; then
2190     cc_type=xlc
2191     cc_version="AV_STRINGIFY(__IBMC__)"
2192     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2193     speed_cflags='-O5'
2194     size_cflags='-O5 -qcompact'
2195 elif $cc -V 2>/dev/null | grep -q Compaq; then
2196     cc_type=ccc
2197     cc_version="AV_STRINGIFY(__DECC_VER)"
2198     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2199     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2200     debuglevel=3
2201     add_ldflags -Wl,-z,now # calls to libots crash without this
2202     speed_cflags='-fast'
2203     size_cflags='-O1'
2204 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2205     test -d "$sysroot" || die "No valid sysroot specified."
2206     cc_type=armcc
2207     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2208     cc_ident=$($cc --vsn | head -n1)
2209     armcc_conf="$PWD/armcc.conf"
2210     $cc --arm_linux_configure                 \
2211         --arm_linux_config_file="$armcc_conf" \
2212         --configure_sysroot="$sysroot"        \
2213         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2214         die "Error creating armcc configuration file."
2215     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2216     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2217     as_default="${cross_prefix}gcc"
2218     CC_DEPFLAGS='-MMD'
2219     AS_DEPFLAGS='-MMD'
2220     speed_cflags='-O3'
2221     size_cflags='-Os'
2222     filter_asflags="filter_out -W${armcc_opt}*"
2223 elif $cc -version 2>/dev/null | grep -q TMS470; then
2224     cc_type=tms470
2225     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2226     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2227     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2228     CC_O='-fr=$(@D)'
2229     as_default="${cross_prefix}gcc"
2230     ld_default="${cross_prefix}gcc"
2231     TMPO=$(basename $TMPC .c).o
2232     append TMPFILES $TMPO
2233     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2234     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2235     AS_DEPFLAGS='-MMD'
2236     speed_cflags='-O3 -mf=5'
2237     size_cflags='-O3 -mf=2'
2238     filter_cflags=tms470_flags
2239     tms470_flags(){
2240         for flag; do
2241             case $flag in
2242                 -march=*|-mcpu=*)
2243                     case "${flag#*=}" in
2244                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2245                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2246                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2247                         armv6*|arm11*)          echo -mv=6   ;;
2248                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2249                                                 echo -mv=5e  ;;
2250                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2251                     esac
2252                     ;;
2253                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2254                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2255                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2256                 -msoft-float)   echo --float_support=vfplib       ;;
2257                 -O[0-3]|-mf=*)  echo $flag                        ;;
2258                 -g)             echo -g -mn                       ;;
2259                 -pds=*)         echo $flag                        ;;
2260             esac
2261         done
2262     }
2263 elif $cc -v 2>&1 | grep -q clang; then
2264     cc_type=clang
2265     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2266         cc_version=__clang_version__ || cc_version=__VERSION__
2267     cc_ident=$($cc --version | head -n1)
2268     CC_DEPFLAGS='-MMD'
2269     AS_DEPFLAGS='-MMD'
2270     speed_cflags='-O3'
2271     size_cflags='-Os'
2272 elif $cc -V 2>&1 | grep -q Sun; then
2273     cc_type=suncc
2274     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2275     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2276     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2277     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2278     add_ldflags -xc99
2279     speed_cflags='-O5'
2280     size_cflags='-O5 -xspace'
2281     filter_cflags=suncc_flags
2282     suncc_flags(){
2283         for flag; do
2284             case $flag in
2285                 -march=*|-mcpu=*)
2286                     case "${flag#*=}" in
2287                         native)                   echo -xtarget=native       ;;
2288                         v9|niagara)               echo -xarch=sparc          ;;
2289                         ultrasparc)               echo -xarch=sparcvis       ;;
2290                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2291                         i586|pentium)             echo -xchip=pentium        ;;
2292                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2293                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2294                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2295                         pentium4*)          echo -xtarget=pentium4           ;;
2296                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2297                         *-sse3)             echo -xarch=sse3                 ;;
2298                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2299                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2300                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2301                         k8|opteron|athlon64|athlon-fx)
2302                                                   echo -xarch=sse2a          ;;
2303                         athlon*)                  echo -xarch=pentium_proa   ;;
2304                     esac
2305                     ;;
2306                 -std=c99)             echo -xc99              ;;
2307                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2308                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2309                 -W*,*)                echo $flag              ;;
2310                 -f*-*|-W*)                                    ;;
2311                 *)                    echo $flag              ;;
2312             esac
2313         done
2314     }
2315 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2316     cc_type=pathscale
2317     cc_version=__PATHSCALE__
2318     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2319     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2320     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2321     speed_cflags='-O2'
2322     size_cflags='-Os'
2323     filter_cflags='filter_out -Wdisabled-optimization'
2324 elif $cc -v 2>&1 | grep -q Open64; then
2325     cc_type=open64
2326     cc_version=__OPEN64__
2327     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2328     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2329     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2330     speed_cflags='-O2'
2331     size_cflags='-Os'
2332     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2333 fi
2334
2335 test -n "$cc_type" && enable $cc_type ||
2336     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2337
2338 : ${as_default:=$cc}
2339 : ${dep_cc_default:=$cc}
2340 : ${ld_default:=$cc}
2341 set_default ar as dep_cc ld
2342
2343 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2344 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2345 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2346
2347 add_cflags $extra_cflags
2348 add_cxxflags $extra_cxxflags
2349 add_asflags $extra_cflags
2350
2351 if test -n "$sysroot"; then
2352     case "$cc_type" in
2353         gcc|llvm_gcc|clang)
2354             add_cppflags --sysroot="$sysroot"
2355             add_ldflags --sysroot="$sysroot"
2356         ;;
2357         tms470)
2358             add_cppflags -I"$sysinclude"
2359             add_ldflags  --sysroot="$sysroot"
2360         ;;
2361     esac
2362 fi
2363
2364 if test "$cpu" = host; then
2365     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2366
2367     case "$cc_type" in
2368         gcc|llvm_gcc)
2369             check_native(){
2370                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2371                 sed -n "/cc1.*$1=/{
2372                             s/.*$1=\\([^ ]*\\).*/\\1/
2373                             p
2374                             q
2375                         }" $TMPE
2376             }
2377             cpu=$(check_native -march || check_native -mcpu)
2378         ;;
2379     esac
2380
2381     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2382 fi
2383
2384 # Deal with common $arch aliases
2385 case "$arch" in
2386     arm*|iPad*)
2387         arch="arm"
2388     ;;
2389     mips|mipsel|IP*)
2390         arch="mips"
2391     ;;
2392     mips64*)
2393         arch="mips"
2394         subarch="mips64"
2395     ;;
2396     parisc|hppa)
2397         arch="parisc"
2398     ;;
2399     parisc64|hppa64)
2400         arch="parisc"
2401         subarch="parisc64"
2402     ;;
2403     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2404         arch="ppc"
2405     ;;
2406     s390|s390x)
2407         arch="s390"
2408     ;;
2409     sh4|sh)
2410         arch="sh4"
2411     ;;
2412     sun4u|sparc64)
2413         arch="sparc"
2414         subarch="sparc64"
2415     ;;
2416     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2417         arch="x86"
2418     ;;
2419 esac
2420
2421 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2422 enable $arch
2423
2424 # Add processor-specific flags
2425 if test "$cpu" = generic; then
2426     : do nothing
2427 elif enabled ppc; then
2428
2429     case $(tolower $cpu) in
2430         601|ppc601|powerpc601)
2431             cpuflags="-mcpu=601"
2432             disable altivec
2433         ;;
2434         603*|ppc603*|powerpc603*)
2435             cpuflags="-mcpu=603"
2436             disable altivec
2437         ;;
2438         604*|ppc604*|powerpc604*)
2439             cpuflags="-mcpu=604"
2440             disable altivec
2441         ;;
2442         g3|75*|ppc75*|powerpc75*)
2443             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2444             disable altivec
2445         ;;
2446         g4|745*|ppc745*|powerpc745*)
2447             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2448         ;;
2449         74*|ppc74*|powerpc74*)
2450             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2451         ;;
2452         g5|970|ppc970|powerpc970|power4*)
2453             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2454         ;;
2455         cell)
2456             cpuflags="-mcpu=cell"
2457             enable ldbrx
2458         ;;
2459         e500v2)
2460             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2461             disable altivec
2462         ;;
2463         e500)
2464             cpuflags="-mcpu=8540 -mhard-float"
2465             disable altivec
2466         ;;
2467     esac
2468
2469 elif enabled x86; then
2470
2471     case $cpu in
2472         i[345]86|pentium)
2473             cpuflags="-march=$cpu"
2474             disable mmx
2475         ;;
2476         # targets that do NOT support conditional mov (cmov)
2477         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2478             cpuflags="-march=$cpu"
2479             disable cmov
2480         ;;
2481         # targets that do support conditional mov (cmov)
2482         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2483             cpuflags="-march=$cpu"
2484             enable cmov
2485             enable fast_cmov
2486         ;;
2487         # targets that do support conditional mov but on which it's slow
2488         pentium4|pentium4m|prescott|nocona)
2489             cpuflags="-march=$cpu"
2490             enable cmov
2491             disable fast_cmov
2492         ;;
2493     esac
2494
2495 elif enabled sparc; then
2496
2497     case $cpu in
2498         niagara)
2499             cpuflags="-mcpu=$cpu"
2500             disable vis
2501         ;;
2502         sparc64)
2503             cpuflags="-mcpu=v9"
2504         ;;
2505     esac
2506
2507 elif enabled arm; then
2508
2509     case $cpu in
2510         armv*)
2511             cpuflags="-march=$cpu"
2512             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2513         ;;
2514         *)
2515             cpuflags="-mcpu=$cpu"
2516             case $cpu in
2517                 cortex-a*)                               subarch=armv7a  ;;
2518                 cortex-r*)                               subarch=armv7r  ;;
2519                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2520                 arm11*)                                  subarch=armv6   ;;
2521                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2522                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2523             esac
2524         ;;
2525     esac
2526
2527 elif enabled alpha; then
2528
2529     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2530
2531 elif enabled bfin; then
2532
2533     cpuflags="-mcpu=$cpu"
2534
2535 elif enabled mips; then
2536
2537     cpuflags="-march=$cpu"
2538
2539 elif enabled avr32; then
2540
2541     case $cpu in
2542         ap7[02]0[0-2])
2543             subarch="avr32_ap"
2544             cpuflags="-mpart=$cpu"
2545         ;;
2546         ap)
2547             subarch="avr32_ap"
2548             cpuflags="-march=$cpu"
2549         ;;
2550         uc3[ab]*)
2551             subarch="avr32_uc"
2552             cpuflags="-mcpu=$cpu"
2553         ;;
2554         uc)
2555             subarch="avr32_uc"
2556             cpuflags="-march=$cpu"
2557         ;;
2558     esac
2559
2560 fi
2561
2562 add_cflags $cpuflags
2563 add_asflags $cpuflags
2564
2565 # compiler sanity check
2566 check_exec <<EOF
2567 int main(void){ return 0; }
2568 EOF
2569 if test "$?" != 0; then
2570     echo "$cc is unable to create an executable file."
2571     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2572         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2573         echo "Only do this if you know what cross compiling means."
2574     fi
2575     die "C compiler test failed."
2576 fi
2577
2578 add_cppflags -D_ISOC99_SOURCE
2579 add_cxxflags -D__STDC_CONSTANT_MACROS
2580 check_cflags -std=c99
2581 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2582 #include <stdlib.h>
2583 EOF
2584 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2585 #include <stdlib.h>
2586 EOF
2587
2588 check_host_cflags -std=c99
2589 check_host_cflags -Wall
2590
2591 case "$arch" in
2592     alpha|ia64|mips|parisc|sparc)
2593         spic=$shared
2594     ;;
2595     x86)
2596         subarch="x86_32"
2597         check_cc <<EOF && subarch="x86_64"
2598         int test[(int)sizeof(char*) - 7];
2599 EOF
2600         if test "$subarch" = "x86_64"; then
2601             spic=$shared
2602         fi
2603     ;;
2604     ppc)
2605         check_cc <<EOF && subarch="ppc64"
2606         int test[(int)sizeof(char*) - 7];
2607 EOF
2608     ;;
2609 esac
2610
2611 enable $subarch
2612 enabled spic && enable pic
2613
2614 # OS specific
2615 case $target_os in
2616     haiku)
2617         prefix_default="/boot/common"
2618         network_extralibs="-lnetwork"
2619         host_libs=
2620         ;;
2621     sunos)
2622         FFSERVERLDFLAGS=""
2623         SHFLAGS='-shared -Wl,-h,$$(@F)'
2624         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2625         network_extralibs="-lsocket -lnsl"
2626         add_cppflags -D__EXTENSIONS__
2627         # When using suncc to build, the Solaris linker will mark
2628         # an executable with each instruction set encountered by
2629         # the Solaris assembler.  As our libraries contain their own
2630         # guards for processor-specific code, instead suppress
2631         # generation of the HWCAPS ELF section on Solaris x86 only.
2632         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2633         nm_opts='-P -g'
2634         ;;
2635     netbsd)
2636         disable symver
2637         oss_indev_extralibs="-lossaudio"
2638         oss_outdev_extralibs="-lossaudio"
2639         ;;
2640     openbsd)
2641         enable malloc_aligned
2642         # On OpenBSD 4.5. the compiler does not use PIC unless
2643         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2644         # however the generated executable will not do anything
2645         # (simply quits with exit-code 1, no crash, no output).
2646         # Thus explicitly enable PIC here.
2647         enable pic
2648         disable symver
2649         SHFLAGS='-shared'
2650         oss_indev_extralibs="-lossaudio"
2651         oss_outdev_extralibs="-lossaudio"
2652         ;;
2653     dragonfly)
2654         enable malloc_aligned
2655         disable symver
2656         ;;
2657     freebsd)
2658         enable malloc_aligned
2659         ;;
2660     bsd/os)
2661         add_extralibs -lpoll -lgnugetopt
2662         strip="strip -d"
2663         ;;
2664     darwin)
2665         enable malloc_aligned
2666         gas="gas-preprocessor.pl $cc"
2667         enabled ppc && add_asflags -force_cpusubtype_ALL
2668         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2669         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2670         strip="${strip} -x"
2671         add_ldflags -Wl,-dynamic,-search_paths_first
2672         SLIBSUF=".dylib"
2673         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2674         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2675         FFSERVERLDFLAGS=-Wl,-bind_at_load
2676         objformat="macho"
2677         enabled x86_64 && objformat="macho64"
2678         enabled_any pic shared ||
2679             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2680         ;;
2681     mingw32*)
2682         if test $target_os = "mingw32ce"; then
2683             disable network
2684         else
2685             target_os=mingw32
2686         fi
2687         LIBTARGET=i386
2688         if enabled x86_64; then
2689             enable malloc_aligned
2690             LIBTARGET=x64
2691         elif enabled arm; then
2692             LIBTARGET=arm-wince
2693         fi
2694         shlibdir_default="$bindir_default"
2695         SLIBPREF=""
2696         SLIBSUF=".dll"
2697         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2698         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2699         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2700         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2701         SLIB_INSTALL_LINKS=
2702         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2703         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2704         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'
2705         objformat="win32"
2706         enable dos_paths
2707         check_cflags -fno-common
2708         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2709                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2710                 die "ERROR: MinGW runtime version must be >= 3.15."
2711         add_cppflags -U__STRICT_ANSI__
2712         ;;
2713     cygwin*)
2714         target_os=cygwin
2715         shlibdir_default="$bindir_default"
2716         SLIBPREF="cyg"
2717         SLIBSUF=".dll"
2718         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2719         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2720         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2721         objformat="win32"
2722         enable dos_paths
2723         check_cflags -fno-common
2724         add_cppflags -U__STRICT_ANSI__
2725         ;;
2726     *-dos|freedos|opendos)
2727         network_extralibs="-lsocket"
2728         objformat="coff"
2729         enable dos_paths
2730         add_cppflags -U__STRICT_ANSI__
2731         ;;
2732     linux)
2733         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2734         enable dv1394
2735         ;;
2736     irix*)
2737         target_os=irix
2738         ranlib="echo ignoring ranlib"
2739         ;;
2740     os/2*)
2741         strip="lxlite -CS"
2742         ln_s="cp -f"
2743         objformat="aout"
2744         add_cppflags -D_GNU_SOURCE
2745         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2746         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2747         FFSERVERLDFLAGS=""
2748         LIBSUF="_s.a"
2749         SLIBPREF=""
2750         SLIBSUF=".dll"
2751         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2752         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2753         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2754           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2755           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2756           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2757           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2758           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2759         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2760           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2761         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2762         enable dos_paths
2763         enable_weak os2threads
2764         ;;
2765     gnu/kfreebsd)
2766         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2767         ;;
2768     gnu)
2769         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2770         ;;
2771     qnx)
2772         add_cppflags -D_QNX_SOURCE
2773         network_extralibs="-lsocket"
2774         ;;
2775     symbian)
2776         SLIBSUF=".dll"
2777         enable dos_paths
2778         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2779         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2780         add_ldflags -Wl,--target1-abs,--no-undefined \
2781                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2782                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2783         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2784                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2785                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2786         ;;
2787     none)
2788         ;;
2789     *)
2790         die "Unknown OS '$target_os'."
2791         ;;
2792 esac
2793
2794 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2795
2796 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2797
2798 set_default $PATHS_LIST
2799
2800 # we need to build at least one lib type
2801 if ! enabled_any static shared; then
2802     cat <<EOF
2803 At least one library type must be built.
2804 Specify --enable-static to build the static libraries or --enable-shared to
2805 build the shared libraries as well. To only build the shared libraries specify
2806 --disable-static in addition to --enable-shared.
2807 EOF
2808     exit 1;
2809 fi
2810
2811 die_license_disabled() {
2812     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2813 }
2814
2815 die_license_disabled gpl libcdio
2816 die_license_disabled gpl libutvideo
2817 die_license_disabled gpl libx264
2818 die_license_disabled gpl libxavs
2819 die_license_disabled gpl libxvid
2820 die_license_disabled gpl x11grab
2821
2822 die_license_disabled nonfree libaacplus
2823 die_license_disabled nonfree libfaac
2824 die_license_disabled nonfree openssl
2825
2826 die_license_disabled version3 libopencore_amrnb
2827 die_license_disabled version3 libopencore_amrwb
2828 die_license_disabled version3 libvo_aacenc
2829 die_license_disabled version3 libvo_amrwbenc
2830
2831 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2832
2833 disabled optimizations || check_cflags -fomit-frame-pointer
2834
2835 enable_pic() {
2836     enable pic
2837     add_cppflags -DPIC
2838     add_cflags   -fPIC
2839     add_asflags  -fPIC
2840 }
2841
2842 enabled pic && enable_pic
2843
2844 check_cc <<EOF || die "Symbol mangling check failed."
2845 int ff_extern;
2846 EOF
2847 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2848 extern_prefix=${sym%%ff_extern*}
2849
2850 check_cc <<EOF && enable inline_asm
2851 void foo(void) { __asm__ volatile ("" ::); }
2852 EOF
2853
2854 _restrict=
2855 for restrict_keyword in restrict __restrict__ __restrict; do
2856     check_cc <<EOF && _restrict=$restrict_keyword && break
2857 void foo(char * $restrict_keyword p);
2858 EOF
2859 done
2860
2861 check_cc <<EOF && enable attribute_packed
2862 struct { int x; } __attribute__((packed)) x;
2863 EOF
2864
2865 check_cc <<EOF && enable attribute_may_alias
2866 union { int x; } __attribute__((may_alias)) x;
2867 EOF
2868
2869 check_cc <<EOF || die "endian test failed"
2870 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2871 EOF
2872 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2873
2874 if enabled alpha; then
2875
2876     check_cflags -mieee
2877
2878 elif enabled arm; then
2879
2880     enabled thumb && check_cflags -mthumb || check_cflags -marm
2881     nogas=die
2882
2883     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2884         enable vfp_args
2885     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2886         case "${cross_prefix:-$cc}" in
2887             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2888             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2889 __asm__ (".eabi_attribute 28, 1");
2890 int main(void) { return 0; }
2891 EOF
2892         esac
2893         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2894     fi
2895
2896     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2897     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2898     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2899     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2900     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2901     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2902
2903     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2904
2905     enabled_all armv6t2 shared !pic && enable_pic
2906
2907 elif enabled mips; then
2908
2909     check_asm loongson '"dmult.g $1, $2, $3"'
2910     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2911
2912 elif enabled ppc; then
2913
2914     enable local_aligned_8 local_aligned_16
2915
2916     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2917     check_asm ibm_asm   '"add 0, 0, 0"'
2918     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2919     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2920
2921     # AltiVec flags: The FSF version of GCC differs from the Apple version
2922     if enabled altivec; then
2923         nogas=warn
2924         check_cflags -maltivec -mabi=altivec &&
2925         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2926         check_cflags -faltivec
2927
2928         # check if our compiler supports Motorola AltiVec C API
2929         check_cc <<EOF || disable altivec
2930 $inc_altivec_h
2931 int main(void) {
2932     vector signed int v1, v2, v3;
2933     v1 = vec_add(v2,v3);
2934     return 0;
2935 }
2936 EOF
2937
2938         # check if our compiler supports braces for vector declarations
2939         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2940 $inc_altivec_h
2941 int main (void) { (vector int) {1}; return 0; }
2942 EOF
2943     fi
2944
2945 elif enabled sparc; then
2946
2947     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2948         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2949
2950 elif enabled x86; then
2951
2952     enable local_aligned_8 local_aligned_16
2953
2954     # check whether EBP is available on x86
2955     # As 'i' is stored on the stack, this program will crash
2956     # if the base pointer is used to access it because the
2957     # base pointer is cleared in the inline assembly code.
2958     check_exec_crash <<EOF && enable ebp_available
2959     volatile int i=0;
2960     __asm__ volatile (
2961         "xorl %%ebp, %%ebp"
2962     ::: "%ebp");
2963     return i;
2964 EOF
2965
2966     # check whether EBX is available on x86
2967     check_asm ebx_available '""::"b"(0)' &&
2968         check_asm ebx_available '"":::"%ebx"'
2969
2970     # check whether xmm clobbers are supported
2971     check_asm xmm_clobbers '"":::"%xmm0"'
2972
2973     # check whether binutils is new enough to compile SSSE3/MMX2
2974     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2975     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2976
2977     if ! disabled_any asm mmx yasm; then
2978         if check_cmd $yasmexe --version; then
2979             enabled x86_64 && yasm_extra="-m amd64"
2980             yasm_debug="-g dwarf2"
2981         elif check_cmd nasm -v; then
2982             yasmexe=nasm
2983             yasm_debug="-g -F dwarf"
2984             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2985         fi
2986
2987         YASMFLAGS="-f $objformat $yasm_extra"
2988         enabled pic               && append YASMFLAGS "-DPIC"
2989         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2990         case "$objformat" in
2991             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2992         esac
2993
2994         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2995             die "yasm not found, use --disable-yasm for a crippled build"
2996         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2997     fi
2998
2999     case "$cpu" in
3000         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3001             disable fast_clz
3002         ;;
3003     esac
3004
3005 fi
3006
3007 if enabled asm; then
3008     as=${gas:=$as}
3009     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3010         $nogas "GNU assembler not found, install gas-preprocessor"
3011 fi
3012
3013 check_ldflags -Wl,--as-needed
3014
3015 if check_func dlopen; then
3016     ldl=
3017 elif check_func dlopen -ldl; then
3018     ldl=-ldl
3019 fi
3020
3021 if enabled network; then
3022     check_type "sys/types.h sys/socket.h" socklen_t
3023     check_type netdb.h "struct addrinfo"
3024     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3025     check_type netinet/in.h "struct sockaddr_in6"
3026     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3027     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3028     # Prefer arpa/inet.h over winsock2
3029     if check_header arpa/inet.h ; then
3030         check_func closesocket
3031     elif check_header winsock2.h ; then
3032         check_func_headers winsock2.h closesocket -lws2 && \
3033             network_extralibs="-lws2" || \
3034         { check_func_headers winsock2.h closesocket -lws2_32 && \
3035             network_extralibs="-lws2_32"; }
3036         check_type ws2tcpip.h socklen_t
3037         check_type ws2tcpip.h "struct addrinfo"
3038         check_type ws2tcpip.h "struct ipv6_mreq"
3039         check_type ws2tcpip.h "struct sockaddr_in6"
3040         check_type ws2tcpip.h "struct sockaddr_storage"
3041         check_struct winsock2.h "struct sockaddr" sa_len
3042     else
3043         disable network
3044     fi
3045 fi
3046
3047 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3048 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3049
3050 check_func  fcntl
3051 check_func  fork
3052 check_func  getaddrinfo $network_extralibs
3053 check_func  gethrtime
3054 check_func  getrusage
3055 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3056 check_func  inet_aton $network_extralibs
3057 check_func  isatty
3058 check_func  localtime_r
3059 check_func  ${malloc_prefix}memalign            && enable memalign
3060 check_func  mkstemp
3061 check_func  mmap
3062 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3063 check_func  setrlimit
3064 check_func  strerror_r
3065 check_func  strptime
3066 check_func  sched_getaffinity
3067 check_func  sysconf
3068 check_func  sysctl
3069 check_func_headers conio.h kbhit
3070 check_func_headers windows.h PeekNamedPipe
3071 check_func_headers io.h setmode
3072 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3073 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3074 check_func_headers windows.h GetProcessAffinityMask
3075 check_func_headers windows.h GetProcessTimes
3076 check_func_headers windows.h MapViewOfFile
3077 check_func_headers windows.h VirtualAlloc
3078
3079 check_header dlfcn.h
3080 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3081 check_header libcrystalhd/libcrystalhd_if.h
3082 check_header malloc.h
3083 check_header poll.h
3084 check_header sys/mman.h
3085 check_header sys/param.h
3086 check_header sys/resource.h
3087 check_header sys/select.h
3088 check_header termios.h
3089 check_header vdpau/vdpau.h
3090 check_header vdpau/vdpau_x11.h
3091 check_header X11/extensions/XvMClib.h
3092 check_header asm/types.h
3093
3094 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3095 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3096
3097 # check for VDA header
3098 if ! disabled vda; then
3099     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3100         enable vda
3101         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3102     fi
3103 fi
3104
3105 if ! disabled w32threads && ! enabled pthreads; then
3106     check_func _beginthreadex && enable w32threads
3107 fi
3108
3109 # check for some common methods of building with pthread support
3110 # do this before the optional library checks as some of them require pthreads
3111 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3112     enable pthreads
3113     if check_func pthread_create; then
3114         :
3115     elif check_func pthread_create -pthread; then
3116         add_cflags -pthread
3117         add_extralibs -pthread
3118     elif check_func pthread_create -pthreads; then
3119         add_cflags -pthreads
3120         add_extralibs -pthreads
3121     elif check_func pthread_create -lpthreadGC2; then
3122         add_extralibs -lpthreadGC2
3123     elif ! check_lib pthread.h pthread_create -lpthread; then
3124         disable pthreads
3125     fi
3126 fi
3127
3128 for thread in $THREADS_LIST; do
3129     if enabled $thread; then
3130         test -n "$thread_type" &&
3131             die "ERROR: Only one thread type must be selected." ||
3132             thread_type="$thread"
3133     fi
3134 done
3135
3136 check_lib math.h sin -lm && LIBM="-lm"
3137 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3138 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3139
3140 check_mathfunc cbrtf
3141 check_mathfunc exp2
3142 check_mathfunc exp2f
3143 check_mathfunc llrint
3144 check_mathfunc llrintf
3145 check_mathfunc log2
3146 check_mathfunc log2f
3147 check_mathfunc lrint
3148 check_mathfunc lrintf
3149 check_mathfunc round
3150 check_mathfunc roundf
3151 check_mathfunc trunc
3152 check_mathfunc truncf
3153
3154 # these are off by default, so fail if requested and not available
3155 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3156 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3157 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3158 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3159 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3160 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3161 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3162                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3163                         die "ERROR: libcelt version must be >= 0.11.0."; }
3164 enabled libdirac   && require_pkg_config dirac                          \
3165     "libdirac_decoder/dirac_parser.h"  \
3166     "dirac_decoder_init"
3167 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3168 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3169 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3170 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3171 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3172 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3173 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3174 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3175 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3176 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3177 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3178 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3179 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3180 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3181 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3182     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3183     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3184 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3185 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3186 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3187 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3188 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3189 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3190 enabled libvpx     && {
3191     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3192                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3193     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3194                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3195 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3196                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3197                         die "ERROR: libx264 version must be >= 0.118."; }
3198 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3199 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3200 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3201                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3202                         die "ERROR: openal not found"; } &&
3203                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3204                         die "ERROR: openal version must be 1.1 or compatible"; }
3205 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3206                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3207                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3208                         die "ERROR: openssl not found"; }
3209
3210 # libdc1394 check
3211 if enabled libdc1394; then
3212     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3213         enable libdc1394_2; } ||
3214     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3215         enable libdc1394_1; } ||
3216     die "ERROR: No version of libdc1394 found "
3217 fi
3218
3219 SDL_CONFIG="${cross_prefix}sdl-config"
3220 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3221     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3222     enable sdl &&
3223     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3224 else
3225   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3226     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3227     sdl_libs=$("${SDL_CONFIG}" --libs)
3228     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3229     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3230     enable sdl &&
3231     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3232   fi
3233 fi
3234 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3235
3236 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3237 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3238
3239 check_header linux/fb.h
3240 check_header linux/videodev.h
3241 check_header linux/videodev2.h
3242 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3243
3244 check_header sys/videoio.h
3245
3246 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3247 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3248 # w32api 3.12 had it defined wrong
3249 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3250
3251 check_type "dshow.h" IBaseFilter
3252
3253 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3254 { check_header dev/bktr/ioctl_meteor.h &&
3255   check_header dev/bktr/ioctl_bt848.h; } ||
3256 { check_header machine/ioctl_meteor.h &&
3257   check_header machine/ioctl_bt848.h; } ||
3258 { check_header dev/video/meteor/ioctl_meteor.h &&
3259   check_header dev/video/bktr/ioctl_bt848.h; } ||
3260 check_header dev/ic/bt8xx.h
3261
3262 check_header sndio.h
3263 if check_struct sys/soundcard.h audio_buf_info bytes; then
3264     enable_safe sys/soundcard.h
3265 else
3266     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3267     #include <sys/soundcard.h>
3268     audio_buf_info abc;
3269 EOF
3270 fi
3271 check_header soundcard.h
3272
3273 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3274
3275 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3276
3277 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3278
3279 enabled libcdio &&
3280     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3281
3282 enabled x11grab                         &&
3283 check_header X11/Xlib.h                 &&
3284 check_header X11/extensions/XShm.h      &&
3285 check_header X11/extensions/Xfixes.h    &&
3286 check_func XOpenDisplay -lX11           &&
3287 check_func XShmCreateImage -lX11 -lXext &&
3288 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3289
3290 if ! disabled vaapi; then
3291     check_lib va/va.h vaInitialize -lva && {
3292         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3293         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3294     } || disable vaapi
3295 fi
3296
3297 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3298 check_cpp_condition \
3299     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3300     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3301       disable vdpau; }
3302 fi
3303
3304 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3305 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3306 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"
3307
3308 # add some useful compiler flags if supported
3309 check_cflags -Wdeclaration-after-statement
3310 check_cflags -Wall
3311 check_cflags -Wno-parentheses
3312 check_cflags -Wno-switch
3313 check_cflags -Wno-format-zero-length
3314 check_cflags -Wdisabled-optimization
3315 check_cflags -Wpointer-arith
3316 check_cflags -Wredundant-decls
3317 check_cflags -Wno-pointer-sign
3318 check_cflags -Wcast-qual
3319 check_cflags -Wwrite-strings
3320 check_cflags -Wtype-limits
3321 check_cflags -Wundef
3322 check_cflags -Wmissing-prototypes
3323 check_cflags -Wno-pointer-to-int-cast
3324 check_cflags -Wstrict-prototypes
3325 enabled extra_warnings && check_cflags -Winline
3326
3327 # add some linker flags
3328 check_ldflags -Wl,--warn-common
3329 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3330 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3331
3332 enabled xmm_clobber_test &&                             \
3333     check_ldflags -Wl,--wrap,avcodec_open2              \
3334                   -Wl,--wrap,avcodec_decode_audio4      \
3335                   -Wl,--wrap,avcodec_decode_video2      \
3336                   -Wl,--wrap,avcodec_decode_subtitle2   \
3337                   -Wl,--wrap,avcodec_encode_audio2      \
3338                   -Wl,--wrap,avcodec_encode_video       \
3339                   -Wl,--wrap,avcodec_encode_subtitle    \
3340                   -Wl,--wrap,sws_scale ||               \
3341     disable xmm_clobber_test
3342
3343 echo "X{};" > $TMPV
3344 if test_ldflags -Wl,--version-script,$TMPV; then
3345     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3346     check_cc <<EOF && enable symver_asm_label
3347 void ff_foo(void) __asm__ ("av_foo@VERSION");
3348 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3349 EOF
3350     check_cc <<EOF && enable symver_gnu_asm
3351 __asm__(".symver ff_foo,av_foo@VERSION");
3352 void ff_foo(void) {}
3353 EOF
3354 fi
3355
3356 if [ -n "$optflags" ]; then
3357     add_cflags $optflags
3358 elif enabled small; then
3359     add_cflags $size_cflags
3360 elif enabled optimizations; then
3361     add_cflags $speed_cflags
3362 else
3363     add_cflags $noopt_cflags
3364 fi
3365 check_cflags -fno-math-errno
3366 check_cflags -fno-signed-zeros
3367 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3368 int x;
3369 EOF
3370
3371
3372 if enabled icc; then
3373     # Just warnings, no remarks
3374     check_cflags -w1
3375     # -wd: Disable following warnings
3376     # 144, 167, 556: -Wno-pointer-sign
3377     # 1292: attribute "foo" ignored
3378     # 10006: ignoring unknown option -fno-signed-zeros
3379     # 10148: ignoring unknown option -Wno-parentheses
3380     # 10156: ignoring option '-W'; no argument required
3381     check_cflags -wd144,167,556,1292,10006,10148,10156
3382     # 11030: Warning unknown option --as-needed
3383     # 10156: ignoring option '-export'; no argument required
3384     check_ldflags -wd10156,11030
3385     # Allow to compile with optimizations
3386     check_ldflags -march=$cpu
3387     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3388     enable ebp_available
3389     if enabled x86_32; then
3390         test ${icc_version%%.*} -ge 11 && \
3391             check_cflags -falign-stack=maintain-16-byte || \
3392             disable aligned_stack
3393     fi
3394 elif enabled ccc; then
3395     # disable some annoying warnings
3396     add_cflags -msg_disable cvtu32to64
3397     add_cflags -msg_disable embedcomment
3398     add_cflags -msg_disable needconstext
3399     add_cflags -msg_disable nomainieee
3400     add_cflags -msg_disable ptrmismatch1
3401     add_cflags -msg_disable unreachcode
3402 elif enabled gcc; then
3403     check_cflags -fno-tree-vectorize
3404     check_cflags -Werror=implicit-function-declaration
3405     check_cflags -Werror=missing-prototypes
3406 elif enabled llvm_gcc; then
3407     check_cflags -mllvm -stack-alignment=16
3408 elif enabled clang; then
3409     check_cflags -mllvm -stack-alignment=16
3410     check_cflags -Qunused-arguments
3411 elif enabled armcc; then
3412     # 2523: use of inline assembler is deprecated
3413     add_cflags -W${armcc_opt},--diag_suppress=2523
3414     add_cflags -W${armcc_opt},--diag_suppress=1207
3415     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3416     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3417     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3418     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3419 elif enabled tms470; then
3420     add_cflags -pds=824 -pds=837
3421 elif enabled pathscale; then
3422     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3423 fi
3424
3425 enabled_any $THREADS_LIST      && enable threads
3426
3427 check_deps $CONFIG_LIST       \
3428            $CONFIG_EXTRA      \
3429            $HAVE_LIST         \
3430            $ALL_COMPONENTS    \
3431            $ALL_TESTS         \
3432
3433 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3434
3435 if test $target_os = "haiku"; then
3436     disable memalign
3437     disable posix_memalign
3438 fi
3439
3440 ! enabled_any memalign posix_memalign malloc_aligned &&
3441     enabled_any $need_memalign && enable memalign_hack
3442
3443 # add_dep lib dep
3444 # -> enable ${lib}_deps_${dep}
3445 # -> add $dep to ${lib}_deps only once
3446 add_dep() {
3447     lib=$1
3448     dep=$2
3449     enabled "${lib}_deps_${dep}" && return 0
3450     enable  "${lib}_deps_${dep}"
3451     prepend "${lib}_deps" $dep
3452 }
3453
3454 # merge deps lib components
3455 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3456 merge_deps() {
3457     lib=$1
3458     shift
3459     for comp in $*; do
3460         enabled $comp || continue
3461         eval "dep=\"\$${comp}_deps\""
3462         for d in $dep; do
3463             add_dep $lib $d
3464         done
3465     done
3466 }
3467
3468 merge_deps libavfilter $FILTER_LIST
3469
3470 echo "install prefix            $prefix"
3471 echo "source path               $source_path"
3472 echo "C compiler                $cc"
3473 echo "ARCH                      $arch ($cpu)"
3474 if test "$build_suffix" != ""; then
3475     echo "build suffix              $build_suffix"
3476 fi
3477 if test "$progs_suffix" != ""; then
3478     echo "progs suffix              $progs_suffix"
3479 fi
3480 if test "$extra_version" != ""; then
3481     echo "version string suffix     $extra_version"
3482 fi
3483 echo "big-endian                ${bigendian-no}"
3484 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3485 if enabled x86; then
3486     echo "${yasmexe}                      ${yasm-no}"
3487     echo "MMX enabled               ${mmx-no}"
3488     echo "MMX2 enabled              ${mmx2-no}"
3489     echo "3DNow! enabled            ${amd3dnow-no}"
3490     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3491     echo "SSE enabled               ${sse-no}"
3492     echo "SSSE3 enabled             ${ssse3-no}"
3493     echo "AVX enabled               ${avx-no}"
3494     echo "CMOV enabled              ${cmov-no}"
3495     echo "CMOV is fast              ${fast_cmov-no}"
3496     echo "EBX available             ${ebx_available-no}"
3497     echo "EBP available             ${ebp_available-no}"
3498 fi
3499 if enabled arm; then
3500     echo "ARMv5TE enabled           ${armv5te-no}"
3501     echo "ARMv6 enabled             ${armv6-no}"
3502     echo "ARMv6T2 enabled           ${armv6t2-no}"
3503     echo "ARM VFP enabled           ${armvfp-no}"
3504     echo "NEON enabled              ${neon-no}"
3505 fi
3506 if enabled mips; then
3507     echo "MMI enabled               ${mmi-no}"
3508 fi
3509 if enabled ppc; then
3510     echo "AltiVec enabled           ${altivec-no}"
3511     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3512     echo "dcbzl available           ${dcbzl-no}"
3513 fi
3514 if enabled sparc; then
3515     echo "VIS enabled               ${vis-no}"
3516 fi
3517 echo "debug symbols             ${debug-no}"
3518 echo "strip symbols             ${stripping-no}"
3519 echo "optimize for size         ${small-no}"
3520 echo "optimizations             ${optimizations-no}"
3521 echo "static                    ${static-no}"
3522 echo "shared                    ${shared-no}"
3523 echo "postprocessing support    ${postproc-no}"
3524 echo "new filter support        ${avfilter-no}"
3525 echo "network support           ${network-no}"
3526 echo "threading support         ${thread_type-no}"
3527 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3528 echo "SDL support               ${sdl-no}"
3529 echo "libdxva2 enabled          ${dxva2-no}"
3530 echo "libva enabled             ${vaapi-no}"
3531 echo "libvdpau enabled          ${vdpau-no}"
3532 echo "AVISynth enabled          ${avisynth-no}"
3533 echo "frei0r enabled            ${frei0r-no}"
3534 echo "gnutls enabled            ${gnutls-no}"
3535 echo "libaacplus enabled        ${libaacplus-no}"
3536 echo "libass enabled            ${libass-no}"
3537 echo "libcdio support           ${libcdio-no}"
3538 echo "libcelt enabled           ${libcelt-no}"
3539 echo "libdc1394 support         ${libdc1394-no}"
3540 echo "libdirac enabled          ${libdirac-no}"
3541 echo "libfaac enabled           ${libfaac-no}"
3542 echo "libgsm enabled            ${libgsm-no}"
3543 echo "libmodplug enabled        ${libmodplug-no}"
3544 echo "libmp3lame enabled        ${libmp3lame-no}"
3545 echo "libnut enabled            ${libnut-no}"
3546 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3547 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3548 echo "libopencv support         ${libopencv-no}"
3549 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3550 echo "libpulse enabled          ${libpulse-no}"
3551 echo "librtmp enabled           ${librtmp-no}"
3552 echo "libschroedinger enabled   ${libschroedinger-no}"
3553 echo "libspeex enabled          ${libspeex-no}"
3554 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3555 echo "libtheora enabled         ${libtheora-no}"
3556 echo "libutvideo enabled        ${libutvideo-no}"
3557 echo "libv4l2 enabled           ${libv4l2-no}"
3558 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3559 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3560 echo "libvorbis enabled         ${libvorbis-no}"
3561 echo "libvpx enabled            ${libvpx-no}"
3562 echo "libx264 enabled           ${libx264-no}"
3563 echo "libxavs enabled           ${libxavs-no}"
3564 echo "libxvid enabled           ${libxvid-no}"
3565 echo "openal enabled            ${openal-no}"
3566 echo "openssl enabled           ${openssl-no}"
3567 echo "zlib enabled              ${zlib-no}"
3568 echo "bzlib enabled             ${bzlib-no}"
3569 echo
3570
3571 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3572     echo "Enabled ${type}s:"
3573     eval list=\$$(toupper $type)_LIST
3574     print_enabled '_*' $list | sort | pr -r -3 -t
3575     echo
3576 done
3577
3578 license="LGPL version 2.1 or later"
3579 if enabled nonfree; then
3580     license="nonfree and unredistributable"
3581 elif enabled gplv3; then
3582     license="GPL version 3 or later"
3583 elif enabled lgplv3; then
3584     license="LGPL version 3 or later"
3585 elif enabled gpl; then
3586     license="GPL version 2 or later"
3587 fi
3588
3589 echo "License: $license"
3590
3591 echo "Creating config.mak and config.h..."
3592
3593 test -e Makefile || $ln_s "$source_path/Makefile" .
3594
3595 enabled stripping || strip="echo skipping strip"
3596
3597 config_files="$TMPH config.mak"
3598
3599 cat > config.mak <<EOF
3600 # Automatically generated by configure - do not modify!
3601 ifndef FFMPEG_CONFIG_MAK
3602 FFMPEG_CONFIG_MAK=1
3603 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3604 prefix=$prefix
3605 LIBDIR=\$(DESTDIR)$libdir
3606 SHLIBDIR=\$(DESTDIR)$shlibdir
3607 INCDIR=\$(DESTDIR)$incdir
3608 BINDIR=\$(DESTDIR)$bindir
3609 DATADIR=\$(DESTDIR)$datadir
3610 MANDIR=\$(DESTDIR)$mandir
3611 SRC_PATH=$source_path
3612 ifndef MAIN_MAKEFILE
3613 SRC_PATH:=\$(SRC_PATH:.%=..%)
3614 endif
3615 CC_IDENT=$cc_ident
3616 ARCH=$arch
3617 CC=$cc
3618 CXX=$cxx
3619 AS=$as
3620 LD=$ld
3621 DEPCC=$dep_cc
3622 YASM=$yasmexe
3623 YASMDEP=$yasmexe
3624 AR=$ar
3625 RANLIB=$ranlib
3626 CP=cp -p
3627 LN_S=$ln_s
3628 STRIP=$strip
3629 CPPFLAGS=$CPPFLAGS
3630 CFLAGS=$CFLAGS
3631 CXXFLAGS=$CXXFLAGS
3632 ASFLAGS=$ASFLAGS
3633 AS_O=$CC_O
3634 CC_O=$CC_O
3635 CXX_O=$CXX_O
3636 LDFLAGS=$LDFLAGS
3637 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3638 SHFLAGS=$SHFLAGS
3639 YASMFLAGS=$YASMFLAGS
3640 BUILDSUF=$build_suffix
3641 PROGSSUF=$progs_suffix
3642 FULLNAME=$FULLNAME
3643 LIBPREF=$LIBPREF
3644 LIBSUF=$LIBSUF
3645 LIBNAME=$LIBNAME
3646 SLIBPREF=$SLIBPREF
3647 SLIBSUF=$SLIBSUF
3648 EXESUF=$EXESUF
3649 EXTRA_VERSION=$extra_version
3650 DEPFLAGS=$DEPFLAGS
3651 CCDEP=$CCDEP
3652 CXXDEP=$CXXDEP
3653 ASDEP=$ASDEP
3654 CC_DEPFLAGS=$CC_DEPFLAGS
3655 AS_DEPFLAGS=$AS_DEPFLAGS
3656 HOSTCC=$host_cc
3657 HOSTCFLAGS=$host_cflags
3658 HOSTEXESUF=$HOSTEXESUF
3659 HOSTLDFLAGS=$host_ldflags
3660 HOSTLIBS=$host_libs
3661 TARGET_EXEC=$target_exec
3662 TARGET_PATH=$target_path
3663 SDL_LIBS=$sdl_libs
3664 SDL_CFLAGS=$sdl_cflags
3665 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3666 EXTRALIBS=$extralibs
3667 INSTALL=$install
3668 LIBTARGET=${LIBTARGET}
3669 SLIBNAME=${SLIBNAME}
3670 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3671 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3672 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3673 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3674 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3675 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3676 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3677 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3678 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3679 NOREDZONE_FLAGS=$noredzone_flags
3680 EOF
3681
3682 get_version(){
3683     name=$1
3684     file=$source_path/$2
3685 # This condition will be removed when we stop supporting old libpostproc versions
3686 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3687     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3688     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3689 fi
3690     lcname=$(tolower $name)
3691     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3692     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3693 }
3694
3695 get_version LIBAVCODEC  libavcodec/version.h
3696 get_version LIBAVDEVICE libavdevice/avdevice.h
3697 get_version LIBAVFILTER libavfilter/version.h
3698 get_version LIBAVFORMAT libavformat/version.h
3699 get_version LIBAVUTIL   libavutil/avutil.h
3700 get_version LIBPOSTPROC libpostproc/postprocess.h
3701 get_version LIBSWRESAMPLE libswresample/swresample.h
3702 get_version LIBSWSCALE  libswscale/swscale.h
3703
3704 cat > $TMPH <<EOF
3705 /* Automatically generated by configure - do not modify! */
3706 #ifndef FFMPEG_CONFIG_H
3707 #define FFMPEG_CONFIG_H
3708 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3709 #define FFMPEG_LICENSE "$(c_escape $license)"
3710 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3711 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3712 #define CC_TYPE "$cc_type"
3713 #define CC_VERSION $cc_version
3714 #define restrict $_restrict
3715 #define EXTERN_PREFIX "${extern_prefix}"
3716 #define EXTERN_ASM ${extern_prefix}
3717 #define SLIBSUF "$SLIBSUF"
3718 EOF
3719
3720 test -n "$malloc_prefix" &&
3721     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3722
3723 if enabled small || disabled optimizations; then
3724     echo "#undef  av_always_inline"  >> $TMPH
3725     if enabled small; then
3726         echo "#define av_always_inline inline"  >> $TMPH
3727     else
3728         echo "#define av_always_inline av_unused"  >> $TMPH
3729     fi
3730 fi
3731
3732 if enabled yasm; then
3733     append config_files $TMPASM
3734     printf '' >$TMPASM
3735 fi
3736
3737 print_config ARCH_   "$config_files" $ARCH_LIST
3738 print_config HAVE_   "$config_files" $HAVE_LIST
3739 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3740                                      $CONFIG_EXTRA      \
3741                                      $ALL_COMPONENTS    \
3742
3743 cat >>config.mak <<EOF
3744 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3745 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3746 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3747 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3748 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3749 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3750 EOF
3751
3752 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3753 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3754
3755 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3756 cp_if_changed $TMPH config.h
3757 touch .config
3758
3759 enabled yasm && cp_if_changed $TMPASM config.asm
3760
3761 cat > $TMPH <<EOF
3762 /* Generated by ffconf */
3763 #ifndef AVUTIL_AVCONFIG_H
3764 #define AVUTIL_AVCONFIG_H
3765 EOF
3766
3767 test "$postproc_version" != current && cat >> $TMPH <<EOF
3768 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3769 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3770 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3771 EOF
3772
3773 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3774
3775 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3776
3777 cp_if_changed $TMPH libavutil/avconfig.h
3778
3779 test -n "$WARNINGS" && printf "\n$WARNINGS"
3780
3781 # build pkg-config files
3782
3783 pkgconfig_generate(){
3784 name=$1
3785 shortname=${name#lib}${build_suffix}
3786 comment=$2
3787 version=$3
3788 libs=$4
3789 requires=$5
3790 enabled ${name#lib} || return 0
3791 mkdir -p $name
3792 cat <<EOF > $name/$name.pc
3793 prefix=$prefix
3794 exec_prefix=\${prefix}
3795 libdir=$libdir
3796 includedir=$incdir
3797
3798 Name: $name
3799 Description: $comment
3800 Version: $version
3801 Requires: $(enabled shared || echo $requires)
3802 Requires.private: $(enabled shared && echo $requires)
3803 Conflicts:
3804 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3805 Libs.private: $(enabled shared && echo $libs)
3806 Cflags: -I\${includedir}
3807 EOF
3808 cat <<EOF > $name/$name-uninstalled.pc
3809 prefix=
3810 exec_prefix=
3811 libdir=\${pcfiledir}
3812 includedir=${source_path}
3813
3814 Name: $name
3815 Description: $comment
3816 Version: $version
3817 Requires: $requires
3818 Conflicts:
3819 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3820 Cflags: -I\${includedir}
3821 EOF
3822 }
3823
3824 libavfilter_pc_deps=""
3825 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3826 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3827 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3828 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3829 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3830 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3831
3832 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
3833 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
3834
3835 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3836 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3837 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3838 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
3839 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3840 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3841 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3842 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"