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   --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
  99   --enable-gray            enable full grayscale support (slower color)
 100   --disable-swscale-alpha  disable alpha channel support in swscale
 101
 102 Documentation options:
 103   --disable-doc            do not build documentation
 104   --disable-htmlpages      do not build HTML documentation pages
 105   --disable-manpages       do not build man documentation pages
 106   --disable-podpages       do not build POD documentation pages
 107   --disable-txtpages       do not build text documentation pages
 108
 109 Component options:
 110   --disable-ffmpeg         disable ffmpeg build
 111   --disable-ffplay         disable ffplay build
 112   --disable-ffprobe        disable ffprobe build
 113   --disable-ffserver       disable ffserver build
 114   --disable-avdevice       disable libavdevice build
 115   --disable-avcodec        disable libavcodec build
 116   --disable-avformat       disable libavformat build
 117   --disable-swresample     disable libswresample build
 118   --disable-swscale        disable libswscale build
 119   --disable-postproc       disable libpostproc build
 120   --disable-avfilter       disable libavfilter build
 121   --enable-avresample      enable libavresample build [no]
 122   --disable-pthreads       disable pthreads [auto]
 123   --disable-w32threads     disable Win32 threads [auto]
 124   --disable-os2threads     disable OS/2 threads [auto]
 125   --enable-x11grab         enable X11 grabbing [no]
 126   --disable-network        disable network support [no]
 127   --disable-dct            disable DCT code
 128   --disable-dwt            disable DWT code
 129   --disable-lsp            disable LSP code
 130   --disable-mdct           disable MDCT code
 131   --disable-rdft           disable RDFT code
 132   --disable-fft            disable FFT code
 133   --enable-dxva2           enable DXVA2 code
 134   --enable-vaapi           enable VAAPI code [autodetect]
 135   --enable-vda             enable VDA code   [autodetect]
 136   --enable-vdpau           enable VDPAU code [autodetect]
 137
 138 Individual component options:
 139   --disable-everything     disable all components listed below
 140   --disable-encoder=NAME   disable encoder NAME
 141   --enable-encoder=NAME    enable encoder NAME
 142   --disable-encoders       disable all encoders
 143   --disable-decoder=NAME   disable decoder NAME
 144   --enable-decoder=NAME    enable decoder NAME
 145   --disable-decoders       disable all decoders
 146   --disable-hwaccel=NAME   disable hwaccel NAME
 147   --enable-hwaccel=NAME    enable hwaccel NAME
 148   --disable-hwaccels       disable all hwaccels
 149   --disable-muxer=NAME     disable muxer NAME
 150   --enable-muxer=NAME      enable muxer NAME
 151   --disable-muxers         disable all muxers
 152   --disable-demuxer=NAME   disable demuxer NAME
 153   --enable-demuxer=NAME    enable demuxer NAME
 154   --disable-demuxers       disable all demuxers
 155   --enable-parser=NAME     enable parser NAME
 156   --disable-parser=NAME    disable parser NAME
 157   --disable-parsers        disable all parsers
 158   --enable-bsf=NAME        enable bitstream filter NAME
 159   --disable-bsf=NAME       disable bitstream filter NAME
 160   --disable-bsfs           disable all bitstream filters
 161   --enable-protocol=NAME   enable protocol NAME
 162   --disable-protocol=NAME  disable protocol NAME
 163   --disable-protocols      disable all protocols
 164   --enable-indev=NAME      enable input device NAME
 165   --disable-indev=NAME     disable input device NAME
 166   --disable-indevs         disable input devices
 167   --enable-outdev=NAME     enable output device NAME
 168   --disable-outdev=NAME    disable output device NAME
 169   --disable-outdevs        disable output devices
 170   --disable-devices        disable all devices
 171   --enable-filter=NAME     enable filter NAME
 172   --disable-filter=NAME    disable filter NAME
 173   --disable-filters        disable all filters
 174
 175 External library support:
 176   --enable-avisynth        enable reading of AVISynth script files [no]
 177   --enable-bzlib           enable bzlib [autodetect]
 178   --enable-fontconfig      enable fontconfig
 179   --enable-frei0r          enable frei0r video filtering
 180   --enable-gnutls          enable gnutls [no]
 181   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
 182   --enable-libass          enable libass subtitles rendering [no]
 183   --enable-libbluray       enable BluRay reading using libbluray [no]
 184   --enable-libcaca         enable textual display using libcaca
 185   --enable-libcelt         enable CELT decoding via libcelt [no]
 186   --enable-libcdio         enable audio CD grabbing with libcdio
 187   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 188                            and libraw1394 [no]
 189   --enable-libfaac         enable AAC encoding via libfaac [no]
 190   --enable-libfdk-aac      enable AAC encoding via libfdk-aac [no]
 191   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
 192   --enable-libfreetype     enable libfreetype [no]
 193   --enable-libgsm          enable GSM de/encoding via libgsm [no]
 194   --enable-libiec61883     enable iec61883 via libiec61883 [no]
 195   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
 196   --enable-libmodplug      enable ModPlug via libmodplug [no]
 197   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
 198   --enable-libnut          enable NUT (de)muxing via libnut,
 199                            native (de)muxer exists [no]
 200   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 201   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 202   --enable-libopencv       enable video filtering via libopencv [no]
 203   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
 204   --enable-libopus         enable Opus decoding via libopus [no]
 205   --enable-libpulse        enable Pulseaudio input via libpulse [no]
 206   --enable-librtmp         enable RTMP[E] support via librtmp [no]
 207   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
 208   --enable-libspeex        enable Speex de/encoding via libspeex [no]
 209   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
 210   --enable-libtheora       enable Theora encoding via libtheora [no]
 211   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
 212   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
 213   --enable-libv4l2         enable libv4l2/v4l-utils [no]
 214   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
 215   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
 216   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
 217                            native implementation exists [no]
 218   --enable-libvpx          enable VP8 de/encoding via libvpx [no]
 219   --enable-libx264         enable H.264 encoding via x264 [no]
 220   --enable-libxavs         enable AVS encoding via xavs [no]
 221   --enable-libxvid         enable Xvid encoding via xvidcore,
 222                            native MPEG-4/Xvid encoder exists [no]
 223   --enable-openal          enable OpenAL 1.1 capture support [no]
 224   --enable-openssl         enable openssl [no]
 225   --enable-zlib            enable zlib [autodetect]
 226
 227 Advanced options (experts only):
 228   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
 229   --enable-cross-compile   assume a cross-compiler is used
 230   --sysroot=PATH           root of cross-build tree
 231   --sysinclude=PATH        location of cross-build system headers
 232   --target-os=OS           compiler targets OS [$target_os]
 233   --target-exec=CMD        command to run executables on target
 234   --target-path=DIR        path to view of build directory on target
 235   --toolchain=NAME         set tool defaults according to NAME
 236   --nm=NM                  use nm tool NM [$nm_default]
 237   --ar=AR                  use archive tool AR [$ar_default]
 238   --as=AS                  use assembler AS [$as_default]
 239   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
 240   --cc=CC                  use C compiler CC [$cc_default]
 241   --cxx=CXX                use C compiler CXX [$cxx_default]
 242   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
 243   --ld=LD                  use linker LD [$ld_default]
 244   --host-cc=HOSTCC         use host C compiler HOSTCC
 245   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 246   --host-ld=HOSTLD         use host linker HOSTLD
 247   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 248   --host-libs=HLIBS        use libs HLIBS when linking for host
 249   --host-os=OS             compiler host OS [$target_os]
 250   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 251   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
 252   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
 253   --extra-libs=ELIBS       add ELIBS [$ELIBS]
 254   --extra-version=STRING   version string suffix []
 255   --optflags=OPTFLAGS      override optimization-related compiler flags
 256   --build-suffix=SUFFIX    library name suffix []
 257   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
 258   --progs-suffix=SUFFIX    program name suffix []
 259   --arch=ARCH              select architecture [$arch]
 260   --cpu=CPU                select the minimum required CPU (affects
 261                            instruction selection, may crash on older CPUs)
 262   --enable-pic             build position-independent code
 263   --enable-sram            allow use of on-chip SRAM
 264   --enable-thumb           compile for Thumb instruction set
 265   --disable-symver         disable symbol versioning
 266   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 267   --disable-safe-bitstream-reader
 268                            disable buffer boundary checking in bitreaders
 269                            (faster, but may crash)
 270   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 271
 272 Optimization options (experts only):
 273   --disable-asm            disable all assembler optimizations
 274   --disable-altivec        disable AltiVec optimizations
 275   --disable-amd3dnow       disable 3DNow! optimizations
 276   --disable-amd3dnowext    disable 3DNow! extended optimizations
 277   --disable-mmx            disable MMX optimizations
 278   --disable-mmxext         disable MMXEXT optimizations
 279   --disable-sse            disable SSE optimizations
 280   --disable-sse2           disable SSE2 optimizations
 281   --disable-sse3           disable SSE3 optimizations
 282   --disable-ssse3          disable SSSE3 optimizations
 283   --disable-sse4           disable SSE4 optimizations
 284   --disable-sse42          disable SSE4.2 optimizations
 285   --disable-avx            disable AVX optimizations
 286   --disable-fma4           disable FMA4 optimizations
 287   --disable-armv5te        disable armv5te optimizations
 288   --disable-armv6          disable armv6 optimizations
 289   --disable-armv6t2        disable armv6t2 optimizations
 290   --disable-armvfp         disable ARM VFP optimizations
 291   --disable-mmi            disable MMI optimizations
 292   --disable-neon           disable NEON optimizations
 293   --disable-vis            disable VIS optimizations
 294   --disable-inline-asm     disable use of inline assembler
 295   --disable-yasm           disable use of yasm assembler
 296   --disable-mips32r2       disable MIPS32R2 optimizations
 297   --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations
 298   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
 299   --disable-mipsfpu        disable floating point MIPS optimizations
 300   --disable-fast-unaligned consider unaligned accesses slow
 301   --postproc-version=V     build libpostproc version V.
 302                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
 303
 304 Developer options (useful when working on FFmpeg itself):
 305   --enable-coverage        build with test coverage instrumentation
 306   --disable-debug          disable debugging symbols
 307   --enable-debug=LEVEL     set the debug level [$debuglevel]
 308   --disable-optimizations  disable compiler optimizations
 309   --enable-extra-warnings  enable more compiler warnings
 310   --disable-stripping      disable stripping of executables and shared libraries
 311   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
 312                            2 causes a slowdown at runtime.
 313   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
 314   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
 315                            leaks and errors, using the specified valgrind binary.
 316                            Cannot be combined with --target-exec
 317   --samples=PATH           location of test samples for FATE, if not set use
 318                            \$FATE_SAMPLES at make invocation time.
 319   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
 320                            should be used only for debugging purposes)
 321   --enable-random          randomly enable/disable components
 322   --disable-random
 323   --enable-random=LIST     randomly enable/disable specific components or
 324   --disable-random=LIST    component groups. LIST is a comma-separated list
 325                            of NAME[:PROB] entries where NAME is a component
 326                            (group) and PROB the probability associated with
 327                            NAME (default 0.5).
 328   --random-seed=VALUE      seed value for --enable/disable-random
 329
 330 NOTE: Object files are built at the place where configure is launched.
 331 EOF
 332   exit 0
 333 }
 334
 335 quotes='""'
 336
 337 log(){
 338     echo "$@" >> $logfile
 339 }
 340
 341 log_file(){
 342     log BEGIN $1
 343     pr -n -t $1 >> $logfile
 344     log END $1
 345 }
 346
 347 echolog(){
 348     log "$@"
 349     echo "$@"
 350 }
 351
 352 warn(){
 353     log "WARNING: $*"
 354     WARNINGS="${WARNINGS}WARNING: $*\n"
 355 }
 356
 357 die(){
 358     echolog "$@"
 359     cat <<EOF
 360
 361 If you think configure made a mistake, make sure you are using the latest
 362 version from Git.  If the latest version fails, report the problem to the
 363 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 364 EOF
 365     if disabled logging; then
 366         cat <<EOF
 367 Rerun configure with logging enabled (do not use --disable-logging), and
 368 include the log this produces with your report.
 369 EOF
 370     else
 371         cat <<EOF
 372 Include the log file "$logfile" produced by configure as this will help
 373 solving the problem.
 374 EOF
 375     fi
 376     exit 1
 377 }
 378
 379 # Avoid locale weirdness, besides we really just want to translate ASCII.
 380 toupper(){
 381     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 382 }
 383
 384 tolower(){
 385     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 386 }
 387
 388 c_escape(){
 389     echo "$*" | sed 's/["\\]/\\\0/g'
 390 }
 391
 392 sh_quote(){
 393     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 394     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 395     echo "$v"
 396 }
 397
 398 cleanws(){
 399     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 400 }
 401
 402 filter(){
 403     pat=$1
 404     shift
 405     for v; do
 406         eval "case $v in $pat) echo $v ;; esac"
 407     done
 408 }
 409
 410 filter_out(){
 411     pat=$1
 412     shift
 413     for v; do
 414         eval "case $v in $pat) ;; *) echo $v ;; esac"
 415     done
 416 }
 417
 418 map(){
 419     m=$1
 420     shift
 421     for v; do eval $m; done
 422 }
 423
 424 add_suffix(){
 425     suffix=$1
 426     shift
 427     for v; do echo ${v}${suffix}; done
 428 }
 429
 430 set_all(){
 431     value=$1
 432     shift
 433     for var in $*; do
 434         eval $var=$value
 435     done
 436 }
 437
 438 set_weak(){
 439     value=$1
 440     shift
 441     for var; do
 442         eval : \${$var:=$value}
 443     done
 444 }
 445
 446 set_safe(){
 447     var=$1
 448     shift
 449     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 450 }
 451
 452 get_safe(){
 453     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 454 }
 455
 456 pushvar(){
 457     for var in $*; do
 458         eval level=\${${var}_level:=0}
 459         eval ${var}_${level}="\$$var"
 460         eval ${var}_level=$(($level+1))
 461     done
 462 }
 463
 464 popvar(){
 465     for var in $*; do
 466         eval level=\${${var}_level:-0}
 467         test $level = 0 && continue
 468         eval level=$(($level-1))
 469         eval $var="\${${var}_${level}}"
 470         eval ${var}_level=$level
 471         eval unset ${var}_${level}
 472     done
 473 }
 474
 475 enable(){
 476     set_all yes $*
 477 }
 478
 479 disable(){
 480     set_all no $*
 481 }
 482
 483 enable_weak(){
 484     set_weak yes $*
 485 }
 486
 487 disable_weak(){
 488     set_weak no $*
 489 }
 490
 491 enable_safe(){
 492     for var; do
 493         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 494     done
 495 }
 496
 497 disable_safe(){
 498     for var; do
 499         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 500     done
 501 }
 502
 503 do_enable_deep(){
 504     for var; do
 505         enabled $var && continue
 506         eval sel="\$${var}_select"
 507         eval sgs="\$${var}_suggest"
 508         pushvar var sgs
 509         enable_deep $sel
 510         popvar sgs
 511         enable_deep_weak $sgs
 512         popvar var
 513     done
 514 }
 515
 516 enable_deep(){
 517     do_enable_deep $*
 518     enable $*
 519 }
 520
 521 enable_deep_weak(){
 522     do_enable_deep $*
 523     enable_weak $*
 524 }
 525
 526 enabled(){
 527     test "${1#!}" = "$1" && op== || op=!=
 528     eval test "x\$${1#!}" $op "xyes"
 529 }
 530
 531 disabled(){
 532     test "${1#!}" = "$1" && op== || op=!=
 533     eval test "x\$${1#!}" $op "xno"
 534 }
 535
 536 enabled_all(){
 537     for opt; do
 538         enabled $opt || return 1
 539     done
 540 }
 541
 542 disabled_all(){
 543     for opt; do
 544         disabled $opt || return 1
 545     done
 546 }
 547
 548 enabled_any(){
 549     for opt; do
 550         enabled $opt && return 0
 551     done
 552 }
 553
 554 disabled_any(){
 555     for opt; do
 556         disabled $opt && return 0
 557     done
 558     return 1
 559 }
 560
 561 set_default(){
 562     for opt; do
 563         eval : \${$opt:=\$${opt}_default}
 564     done
 565 }
 566
 567 is_in(){
 568     value=$1
 569     shift
 570     for var in $*; do
 571         [ $var = $value ] && return 0
 572     done
 573     return 1
 574 }
 575
 576 check_deps(){
 577     for cfg; do
 578         cfg="${cfg#!}"
 579         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 580         disabled ${cfg}_checking && continue
 581         enable ${cfg}_checking
 582
 583         eval dep_all="\$${cfg}_deps"
 584         eval dep_any="\$${cfg}_deps_any"
 585         eval dep_sel="\$${cfg}_select"
 586         eval dep_sgs="\$${cfg}_suggest"
 587         eval dep_ifa="\$${cfg}_if"
 588         eval dep_ifn="\$${cfg}_if_any"
 589
 590         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 591         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 592         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 593
 594         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 595         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 596         enabled_all  $dep_all || disable $cfg
 597         enabled_any  $dep_any || disable $cfg
 598         disabled_any $dep_sel && disable $cfg
 599
 600         if enabled $cfg; then
 601             eval dep_extralibs="\$${cfg}_extralibs"
 602             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 603             enable_deep $dep_sel
 604             enable_deep_weak $dep_sgs
 605         fi
 606
 607         disable ${cfg}_checking
 608     done
 609 }
 610
 611 print_config_h(){
 612     enabled $1 && v=1 || v=0
 613     echo "#define $2 $v"
 614 }
 615
 616 print_config_mak(){
 617     enabled $1 && v= || v=!
 618     echo "$v$2=yes"
 619 }
 620
 621 print_config_asm(){
 622     enabled $1 && v=1 || v=0
 623     echo "%define $2 $v"
 624 }
 625
 626 print_config(){
 627     pfx=$1
 628     files=$2
 629     shift 2
 630     for cfg; do
 631         ucname="$(toupper $cfg)"
 632         for f in $files; do
 633             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 634         done
 635     done
 636 }
 637
 638 print_enabled(){
 639     test "$1" = -n && end=" " && shift || end="\n"
 640     suf=$1
 641     shift
 642     for v; do
 643         enabled $v && printf "%s$end" ${v%$suf};
 644     done
 645 }
 646
 647 append(){
 648     var=$1
 649     shift
 650     eval "$var=\"\$$var $*\""
 651 }
 652
 653 prepend(){
 654     var=$1
 655     shift
 656     eval "$var=\"$* \$$var\""
 657 }
 658
 659 add_cppflags(){
 660     append CPPFLAGS "$@"
 661 }
 662
 663 add_cflags(){
 664     append CFLAGS $($cflags_filter "$@")
 665 }
 666
 667 add_cxxflags(){
 668     append CXXFLAGS $($cflags_filter "$@")
 669 }
 670
 671 add_asflags(){
 672     append ASFLAGS $($asflags_filter "$@")
 673 }
 674
 675 add_ldflags(){
 676     append LDFLAGS $($ldflags_filter "$@")
 677 }
 678
 679 add_extralibs(){
 680     prepend extralibs $($ldflags_filter "$@")
 681 }
 682
 683 add_host_cflags(){
 684     append host_cflags $($host_cflags_filter "$@")
 685 }
 686
 687 add_host_ldflags(){
 688     append host_ldflags $($host_ldflags_filter "$@")
 689 }
 690
 691 check_cmd(){
 692     log "$@"
 693     "$@" >> $logfile 2>&1
 694 }
 695
 696 cc_o(){
 697     eval printf '%s\\n' $CC_O
 698 }
 699
 700 cc_e(){
 701     eval printf '%s\\n' $CC_E
 702 }
 703
 704 check_cc(){
 705     log check_cc "$@"
 706     cat > $TMPC
 707     log_file $TMPC
 708     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
 709 }
 710
 711 check_cxx(){
 712     log check_cxx "$@"
 713     cat > $TMPCPP
 714     log_file $TMPCPP
 715     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
 716 }
 717
 718 check_cpp(){
 719     log check_cpp "$@"
 720     cat > $TMPC
 721     log_file $TMPC
 722     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
 723 }
 724
 725 as_o(){
 726     eval printf '%s\\n' $AS_O
 727 }
 728
 729 check_as(){
 730     log check_as "$@"
 731     cat > $TMPC
 732     log_file $TMPC
 733     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPC
 734 }
 735
 736 check_inline_asm(){
 737     log check_inline_asm "$@"
 738     name="$1"
 739     code="$2"
 740     shift 2
 741     disable $name
 742     check_as "$@" <<EOF && enable $name
 743 void foo(void){ __asm__ volatile($code); }
 744 EOF
 745 }
 746
 747 check_yasm(){
 748     log check_yasm "$@"
 749     echo "$1" > $TMPS
 750     log_file $TMPS
 751     shift 1
 752     check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
 753 }
 754
 755 ld_o(){
 756     eval printf '%s\\n' $LD_O
 757 }
 758
 759 check_ld(){
 760     log check_ld "$@"
 761     type=$1
 762     shift 1
 763     flags=''
 764     libs=''
 765     for f; do
 766         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 767     done
 768     check_$type $($cflags_filter $flags) || return
 769     flags=$($ldflags_filter $flags)
 770     libs=$($ldflags_filter $libs)
 771     check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
 772 }
 773
 774 check_code(){
 775     log check_code "$@"
 776     check=$1
 777     headers=$2
 778     code=$3
 779     shift 3
 780     {
 781         for hdr in $headers; do
 782             echo "#include <$hdr>"
 783         done
 784         echo "int main(void) { $code; return 0; }"
 785     } | check_$check "$@"
 786 }
 787
 788 check_cppflags(){
 789     log check_cppflags "$@"
 790     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 791 int x;
 792 EOF
 793 }
 794
 795 check_cflags(){
 796     log check_cflags "$@"
 797     set -- $($cflags_filter "$@")
 798     check_cc "$@" <<EOF && append CFLAGS "$@"
 799 int x;
 800 EOF
 801 }
 802
 803 check_cxxflags(){
 804     log check_cxxflags "$@"
 805     set -- $($cflags_filter "$@")
 806     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 807 int x;
 808 EOF
 809 }
 810
 811 test_ldflags(){
 812     log test_ldflags "$@"
 813     check_ld "cc" "$@" <<EOF
 814 int main(void){ return 0; }
 815 EOF
 816 }
 817
 818 check_ldflags(){
 819     log check_ldflags "$@"
 820     test_ldflags "$@" && add_ldflags "$@"
 821 }
 822
 823 check_header(){
 824     log check_header "$@"
 825     header=$1
 826     shift
 827     disable_safe $header
 828     check_cpp "$@" <<EOF && enable_safe $header
 829 #include <$header>
 830 int x;
 831 EOF
 832 }
 833
 834 check_func(){
 835     log check_func "$@"
 836     func=$1
 837     shift
 838     disable $func
 839     check_ld "cc" "$@" <<EOF && enable $func
 840 extern int $func();
 841 int main(void){ $func(); }
 842 EOF
 843 }
 844
 845 check_mathfunc(){
 846     log check_mathfunc "$@"
 847     func=$1
 848     shift
 849     disable $func
 850     check_ld "cc" "$@" <<EOF && enable $func
 851 #include <math.h>
 852 float foo(float f) { return $func(f); }
 853 int main(void){ return (int) foo; }
 854 EOF
 855 }
 856
 857 check_func_headers(){
 858     log check_func_headers "$@"
 859     headers=$1
 860     funcs=$2
 861     shift 2
 862     {
 863         for hdr in $headers; do
 864             echo "#include <$hdr>"
 865         done
 866         for func in $funcs; do
 867             echo "long check_$func(void) { return (long) $func; }"
 868         done
 869         echo "int main(void) { return 0; }"
 870     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 871 }
 872
 873 check_class_headers_cpp(){
 874     log check_class_headers_cpp "$@"
 875     headers=$1
 876     classes=$2
 877     shift 2
 878     {
 879         for hdr in $headers; do
 880             echo "#include <$hdr>"
 881         done
 882         echo "int main(void) { "
 883         i=1
 884         for class in $classes; do
 885             echo "$class obj$i;"
 886             i=$(expr $i + 1)
 887         done
 888         echo "return 0; }"
 889     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 890 }
 891
 892 check_cpp_condition(){
 893     log check_cpp_condition "$@"
 894     header=$1
 895     condition=$2
 896     shift 2
 897     check_cpp "$@" <<EOF
 898 #include <$header>
 899 #if !($condition)
 900 #error "unsatisfied condition: $condition"
 901 #endif
 902 EOF
 903 }
 904
 905 check_lib(){
 906     log check_lib "$@"
 907     header="$1"
 908     func="$2"
 909     shift 2
 910     check_header $header && check_func $func "$@" && add_extralibs "$@"
 911 }
 912
 913 check_lib2(){
 914     log check_lib2 "$@"
 915     headers="$1"
 916     funcs="$2"
 917     shift 2
 918     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 919 }
 920
 921 check_lib_cpp(){
 922     log check_lib_cpp "$@"
 923     headers="$1"
 924     classes="$2"
 925     shift 2
 926     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 927 }
 928
 929 check_pkg_config(){
 930     log check_pkg_config "$@"
 931     pkg="$1"
 932     headers="$2"
 933     funcs="$3"
 934     shift 3
 935     $pkg_config --exists $pkg 2>/dev/null || return
 936     pkg_cflags=$($pkg_config --cflags $pkg)
 937     pkg_libs=$($pkg_config --libs $pkg)
 938     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 939         set_safe ${pkg}_cflags $pkg_cflags   &&
 940         set_safe ${pkg}_libs   $pkg_libs
 941 }
 942
 943 check_exec(){
 944     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 945 }
 946
 947 check_exec_crash(){
 948     code=$(cat)
 949
 950     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 951     # are safe but may not be available everywhere.  Thus we use
 952     # raise(SIGTERM) instead.  The check is run in a subshell so we
 953     # can redirect the "Terminated" message from the shell.  SIGBUS
 954     # is not defined by standard C so it is used conditionally.
 955
 956     (check_exec "$@") >> $logfile 2>&1 <<EOF
 957 #include <signal.h>
 958 static void sighandler(int sig){
 959     raise(SIGTERM);
 960 }
 961 int func(void){
 962     $code
 963 }
 964 int (*func_ptr)(void) = func;
 965 int main(void){
 966     signal(SIGILL, sighandler);
 967     signal(SIGFPE, sighandler);
 968     signal(SIGSEGV, sighandler);
 969 #ifdef SIGBUS
 970     signal(SIGBUS, sighandler);
 971 #endif
 972     return func_ptr();
 973 }
 974 EOF
 975 }
 976
 977 check_type(){
 978     log check_type "$@"
 979     headers=$1
 980     type=$2
 981     shift 2
 982     disable_safe "$type"
 983     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
 984 }
 985
 986 check_struct(){
 987     log check_type "$@"
 988     headers=$1
 989     struct=$2
 990     member=$3
 991     shift 3
 992     disable_safe "${struct}_${member}"
 993     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
 994         enable_safe "${struct}_${member}"
 995 }
 996
 997 require(){
 998     name="$1"
 999     header="$2"
1000     func="$3"
1001     shift 3
1002     check_lib $header $func "$@" || die "ERROR: $name not found"
1003 }
1004
1005 require2(){
1006     name="$1"
1007     headers="$2"
1008     func="$3"
1009     shift 3
1010     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1011 }
1012
1013 require_cpp(){
1014     name="$1"
1015     headers="$2"
1016     classes="$3"
1017     shift 3
1018     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1019 }
1020
1021 require_pkg_config(){
1022     pkg="$1"
1023     check_pkg_config "$@" || die "ERROR: $pkg not found"
1024     add_cflags    $(get_safe ${pkg}_cflags)
1025     add_extralibs $(get_safe ${pkg}_libs)
1026 }
1027
1028 hostcc_o(){
1029     eval printf '%s\\n' $HOSTCC_O
1030 }
1031
1032 check_host_cc(){
1033     log check_host_cc "$@"
1034     cat > $TMPC
1035     log_file $TMPC
1036     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1037 }
1038
1039 check_host_cflags(){
1040     log check_host_cflags "$@"
1041     set -- $($host_cflags_filter "$@")
1042     check_host_cc "$@" <<EOF && append host_cflags "$@"
1043 int x;
1044 EOF
1045 }
1046
1047 apply(){
1048     file=$1
1049     shift
1050     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1051 }
1052
1053 cp_if_changed(){
1054     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1055     mkdir -p "$(dirname $2)"
1056     cp -f "$1" "$2"
1057 }
1058
1059 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1060 # system-dependent things.
1061
1062 COMPONENT_LIST="
1063     bsfs
1064     decoders
1065     demuxers
1066     encoders
1067     filters
1068     hwaccels
1069     indevs
1070     muxers
1071     outdevs
1072     parsers
1073     protocols
1074 "
1075
1076 DOCUMENT_LIST="
1077     doc
1078     htmlpages
1079     manpages
1080     podpages
1081     txtpages
1082 "
1083
1084 PROGRAM_LIST="
1085     ffplay
1086     ffprobe
1087     ffserver
1088     ffmpeg
1089 "
1090
1091 CONFIG_LIST="
1092     $COMPONENT_LIST
1093     $DOCUMENT_LIST
1094     $PROGRAM_LIST
1095     avcodec
1096     avdevice
1097     avfilter
1098     avformat
1099     avresample
1100     avisynth
1101     bzlib
1102     crystalhd
1103     dct
1104     dwt
1105     dxva2
1106     fast_unaligned
1107     fft
1108     fontconfig
1109     frei0r
1110     gnutls
1111     gpl
1112     gray
1113     hardcoded_tables
1114     incompatible_fork_abi
1115     libaacplus
1116     libass
1117     libbluray
1118     libcaca
1119     libcdio
1120     libcelt
1121     libdc1394
1122     libfaac
1123     libfdk_aac
1124     libflite
1125     libfreetype
1126     libgsm
1127     libiec61883
1128     libilbc
1129     libmodplug
1130     libmp3lame
1131     libnut
1132     libopencore_amrnb
1133     libopencore_amrwb
1134     libopencv
1135     libopenjpeg
1136     libopus
1137     libpulse
1138     librtmp
1139     libschroedinger
1140     libspeex
1141     libstagefright_h264
1142     libtheora
1143     libtwolame
1144     libutvideo
1145     libv4l2
1146     libvo_aacenc
1147     libvo_amrwbenc
1148     libvorbis
1149     libvpx
1150     libx264
1151     libxavs
1152     libxvid
1153     lsp
1154     mdct
1155     memalign_hack
1156     memory_poisoning
1157     network
1158     nonfree
1159     openal
1160     openssl
1161     pic
1162     postproc
1163     rdft
1164     runtime_cpudetect
1165     safe_bitstream_reader
1166     shared
1167     small
1168     sram
1169     static
1170     swresample
1171     swscale
1172     swscale_alpha
1173     thumb
1174     vaapi
1175     vda
1176     vdpau
1177     version3
1178     xmm_clobber_test
1179     x11grab
1180     zlib
1181 "
1182
1183 THREADS_LIST='
1184     pthreads
1185     w32threads
1186     os2threads
1187 '
1188
1189 ARCH_LIST='
1190     alpha
1191     arm
1192     avr32
1193     avr32_ap
1194     avr32_uc
1195     bfin
1196     ia64
1197     m68k
1198     mips
1199     mips64
1200     parisc
1201     ppc
1202     ppc64
1203     s390
1204     sh4
1205     sparc
1206     sparc64
1207     tomi
1208     x86
1209     x86_32
1210     x86_64
1211 '
1212
1213 ARCH_EXT_LIST_X86='
1214     amd3dnow
1215     amd3dnowext
1216     avx
1217     fma4
1218     mmx
1219     mmxext
1220     sse
1221     sse2
1222     sse3
1223     sse4
1224     sse42
1225     ssse3
1226 '
1227
1228 ARCH_EXT_LIST="
1229     $ARCH_EXT_LIST_X86
1230     altivec
1231     armv5te
1232     armv6
1233     armv6t2
1234     armvfp
1235     mmi
1236     neon
1237     ppc4xx
1238     vfpv3
1239     vis
1240     mipsfpu
1241     mips32r2
1242     mipsdspr1
1243     mipsdspr2
1244 "
1245
1246 HAVE_LIST_PUB='
1247     bigendian
1248     fast_unaligned
1249     incompatible_fork_abi
1250 '
1251
1252 HAVE_LIST="
1253     $ARCH_EXT_LIST
1254     $(add_suffix _external $ARCH_EXT_LIST)
1255     $(add_suffix _inline   $ARCH_EXT_LIST)
1256     $HAVE_LIST_PUB
1257     $THREADS_LIST
1258     aligned_malloc
1259     aligned_stack
1260     alsa_asoundlib_h
1261     altivec_h
1262     arpa_inet_h
1263     asm_mod_q
1264     asm_mod_y
1265     asm_types_h
1266     attribute_may_alias
1267     attribute_packed
1268     broken_snprintf
1269     cbrtf
1270     clock_gettime
1271     closesocket
1272     cmov
1273     cpuid
1274     cpunop
1275     dcbzl
1276     dev_bktr_ioctl_bt848_h
1277     dev_bktr_ioctl_meteor_h
1278     dev_ic_bt8xx_h
1279     dev_video_bktr_ioctl_bt848_h
1280     dev_video_meteor_ioctl_meteor_h
1281     direct_h
1282     dlfcn_h
1283     dlopen
1284     dos_paths
1285     dxva_h
1286     ebp_available
1287     ebx_available
1288     exp2
1289     exp2f
1290     fast_64bit
1291     fast_clz
1292     fast_cmov
1293     fcntl
1294     fork
1295     getaddrinfo
1296     gethrtime
1297     getopt
1298     GetProcessAffinityMask
1299     GetProcessMemoryInfo
1300     GetProcessTimes
1301     GetSystemTimeAsFileTime
1302     getrusage
1303     gettimeofday
1304     glob
1305     gnu_as
1306     ibm_asm
1307     inet_aton
1308     inline_asm
1309     io_h
1310     isatty
1311     isinf
1312     isnan
1313     jack_port_get_latency_range
1314     kbhit
1315     ldbrx
1316     libdc1394_1
1317     libdc1394_2
1318     llrint
1319     llrintf
1320     local_aligned_16
1321     local_aligned_8
1322     localtime_r
1323     log2
1324     log2f
1325     loongson
1326     lrint
1327     lrintf
1328     lzo1x_999_compress
1329     machine_ioctl_bt848_h
1330     machine_ioctl_meteor_h
1331     makeinfo
1332     malloc_h
1333     MapViewOfFile
1334     memalign
1335     mkstemp
1336     mm_empty
1337     mmap
1338     msvcrt
1339     nanosleep
1340     PeekNamedPipe
1341     perl
1342     pod2man
1343     poll_h
1344     posix_memalign
1345     pthread_cancel
1346     rdtsc
1347     rint
1348     round
1349     roundf
1350     rweflags
1351     sched_getaffinity
1352     sdl
1353     sdl_video_size
1354     setmode
1355     setrlimit
1356     Sleep
1357     sndio_h
1358     socklen_t
1359     soundcard_h
1360     strerror_r
1361     struct_addrinfo
1362     struct_group_source_req
1363     struct_ip_mreq_source
1364     struct_ipv6_mreq
1365     struct_pollfd
1366     struct_rusage_ru_maxrss
1367     struct_sctp_event_subscribe
1368     struct_sockaddr_in6
1369     struct_sockaddr_sa_len
1370     struct_sockaddr_storage
1371     struct_v4l2_frmivalenum_discrete
1372     symver
1373     symver_asm_label
1374     symver_gnu_asm
1375     sysconf
1376     sysctl
1377     sys_mman_h
1378     sys_param_h
1379     sys_resource_h
1380     sys_select_h
1381     sys_soundcard_h
1382     sys_time_h
1383     sys_videoio_h
1384     termios_h
1385     texi2html
1386     threads
1387     trunc
1388     truncf
1389     unistd_h
1390     usleep
1391     vfp_args
1392     VirtualAlloc
1393     windows_h
1394     winsock2_h
1395     xform_asm
1396     xgetbv
1397     xmm_clobbers
1398     yasm
1399 "
1400
1401 # options emitted with CONFIG_ prefix but not available on command line
1402 CONFIG_EXTRA="
1403     aandcttables
1404     ac3dsp
1405     avutil
1406     error_resilience
1407     gcrypt
1408     golomb
1409     gplv3
1410     h264chroma
1411     h264dsp
1412     h264pred
1413     h264qpel
1414     huffman
1415     lgplv3
1416     lpc
1417     mpegaudiodsp
1418     mpegvideo
1419     mpegvideoenc
1420     nettle
1421     rangecoder
1422     rtpdec
1423     sinewin
1424     vp3dsp
1425 "
1426
1427 CMDLINE_SELECT="
1428     $ARCH_EXT_LIST
1429     $CONFIG_LIST
1430     $THREADS_LIST
1431     asm
1432     coverage
1433     cross_compile
1434     debug
1435     extra_warnings
1436     inline_asm
1437     logging
1438     optimizations
1439     stripping
1440     symver
1441     yasm
1442 "
1443
1444 PATHS_LIST='
1445     bindir
1446     datadir
1447     incdir
1448     libdir
1449     mandir
1450     prefix
1451     shlibdir
1452 '
1453
1454 CMDLINE_SET="
1455     $PATHS_LIST
1456     ar
1457     arch
1458     as
1459     assert_level
1460     build_suffix
1461     cc
1462     cpu
1463     cross_prefix
1464     cxx
1465     dep_cc
1466     extra_version
1467     host_cc
1468     host_cflags
1469     host_ld
1470     host_ldflags
1471     host_libs
1472     host_os
1473     install
1474     ld
1475     logfile
1476     malloc_prefix
1477     nm
1478     optflags
1479     pkg_config
1480     postproc_version
1481     progs_suffix
1482     random_seed
1483     samples
1484     strip
1485     sysinclude
1486     sysroot
1487     target_exec
1488     target_os
1489     target_path
1490     toolchain
1491     valgrind
1492     yasmexe
1493 "
1494
1495 CMDLINE_APPEND="
1496     extra_cflags
1497     extra_cxxflags
1498 "
1499
1500 # code dependency declarations
1501
1502 # architecture extensions
1503
1504 armv5te_deps="arm"
1505 armv6_deps="arm"
1506 armv6t2_deps="arm"
1507 armvfp_deps="arm"
1508 neon_deps="arm"
1509 vfpv3_deps="armvfp"
1510
1511 mipsfpu_deps="mips"
1512 mips32r2_deps="mips"
1513 mipsdspr1_deps="mips"
1514 mipsdspr2_deps="mips"
1515 mmi_deps="mips"
1516
1517 altivec_deps="ppc"
1518 ppc4xx_deps="ppc"
1519
1520 vis_deps="sparc"
1521
1522 x86_64_suggest="cmov fast_cmov"
1523
1524 amd3dnow_deps="mmx"
1525 amd3dnowext_deps="amd3dnow"
1526 mmx_deps="x86"
1527 mmxext_deps="mmx"
1528 sse_deps="mmxext"
1529 sse2_deps="sse"
1530 sse3_deps="sse2"
1531 ssse3_deps="sse3"
1532 sse4_deps="ssse3"
1533 sse42_deps="sse4"
1534 avx_deps="sse42"
1535 fma4_deps="avx"
1536
1537 mmx_external_deps="yasm"
1538 mmx_inline_deps="inline_asm"
1539 mmx_suggest="mmx_external mmx_inline"
1540
1541 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1542     eval dep=\$${ext}_deps
1543     eval ${ext}_external_deps='"${dep}_external"'
1544     eval ${ext}_inline_deps='"${dep}_inline"'
1545     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1546 done
1547
1548 aligned_stack_if_any="ppc x86"
1549 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1550 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1551 fast_unaligned_if_any="armv6 ppc x86"
1552
1553 inline_asm_deps="!tms470"
1554 need_memalign="altivec neon sse"
1555
1556 symver_if_any="symver_asm_label symver_gnu_asm"
1557
1558 log2_deps="!msvcrt"
1559
1560 # subsystems
1561 dct_select="rdft"
1562 mdct_select="fft"
1563 rdft_select="fft"
1564 mpegaudiodsp_select="dct"
1565 mpegvideoenc_select="mpegvideo"
1566
1567 # decoders / encoders / hardware accelerators
1568 aac_decoder_select="mdct sinewin"
1569 aac_encoder_select="mdct sinewin"
1570 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1571 ac3_decoder_select="mdct ac3dsp ac3_parser"
1572 ac3_encoder_select="mdct ac3dsp"
1573 ac3_fixed_encoder_select="mdct ac3dsp"
1574 alac_encoder_select="lpc"
1575 amrnb_decoder_select="lsp"
1576 amrwb_decoder_select="lsp"
1577 amv_encoder_select="aandcttables"
1578 atrac1_decoder_select="mdct sinewin"
1579 atrac3_decoder_select="mdct"
1580 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1581 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1582 cavs_decoder_select="golomb mpegvideo"
1583 cook_decoder_select="mdct sinewin"
1584 cscd_decoder_suggest="zlib"
1585 dca_decoder_select="mdct"
1586 dirac_decoder_select="dwt golomb"
1587 dnxhd_encoder_select="aandcttables mpegvideoenc"
1588 dxa_decoder_select="zlib"
1589 eac3_decoder_select="ac3_decoder"
1590 eac3_encoder_select="ac3_encoder"
1591 eamad_decoder_select="aandcttables error_resilience mpegvideo"
1592 eatgq_decoder_select="aandcttables"
1593 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1594 exr_decoder_select="zlib"
1595 ffv1_decoder_select="golomb rangecoder"
1596 ffv1_encoder_select="rangecoder"
1597 ffvhuff_encoder_select="huffman"
1598 flac_decoder_select="golomb"
1599 flac_encoder_select="golomb lpc"
1600 flashsv_decoder_select="zlib"
1601 flashsv_encoder_select="zlib"
1602 flashsv2_encoder_select="zlib"
1603 flashsv2_decoder_select="zlib"
1604 flv_decoder_select="h263_decoder"
1605 flv_encoder_select="h263_encoder"
1606 fraps_decoder_select="huffman"
1607 h261_decoder_select="error_resilience mpegvideo"
1608 h261_encoder_select="aandcttables mpegvideoenc"
1609 h263_decoder_select="error_resilience h263_parser mpegvideo"
1610 h263_encoder_select="aandcttables error_resilience mpegvideoenc"
1611 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1612 h263i_decoder_select="h263_decoder"
1613 h263p_encoder_select="h263_encoder"
1614 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1615 h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1616 h264_dxva2_hwaccel_deps="dxva2api_h"
1617 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1618 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1619 h264_vda_decoder_select="vda h264_parser h264_decoder"
1620 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1621 h264_vda_hwaccel_select="vda h264_decoder"
1622 h264_vdpau_decoder_select="vdpau h264_decoder"
1623 huffyuv_encoder_select="huffman"
1624 iac_decoder_select="fft mdct sinewin"
1625 imc_decoder_select="fft mdct sinewin"
1626 jpegls_decoder_select="golomb"
1627 jpegls_encoder_select="golomb"
1628 ljpeg_encoder_select="aandcttables mpegvideoenc"
1629 loco_decoder_select="golomb"
1630 mdec_decoder_select="error_resilience mpegvideo"
1631 mjpeg_encoder_select="aandcttables mpegvideoenc"
1632 mlp_decoder_select="mlp_parser"
1633 mp1_decoder_select="mpegaudiodsp"
1634 mp1float_decoder_select="mpegaudiodsp"
1635 mp2_decoder_select="mpegaudiodsp"
1636 mp2float_decoder_select="mpegaudiodsp"
1637 mp3_decoder_select="mpegaudiodsp"
1638 mp3adu_decoder_select="mpegaudiodsp"
1639 mp3adufloat_decoder_select="mpegaudiodsp"
1640 mp3float_decoder_select="mpegaudiodsp"
1641 mp3on4_decoder_select="mpegaudiodsp"
1642 mp3on4float_decoder_select="mpegaudiodsp"
1643 mpc7_decoder_select="mpegaudiodsp"
1644 mpc8_decoder_select="mpegaudiodsp"
1645 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1646 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1647 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1648 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1649 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1650 mpeg1video_decoder_select="error_resilience mpegvideo"
1651 mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
1652 mpeg2_crystalhd_decoder_select="crystalhd"
1653 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1654 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1655 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1656 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1657 mpeg2video_decoder_select="error_resilience mpegvideo"
1658 mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
1659 mpeg4_crystalhd_decoder_select="crystalhd"
1660 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1661 mpeg4_encoder_select="h263_encoder"
1662 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1663 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1664 msmpeg4_crystalhd_decoder_select="crystalhd"
1665 msmpeg4v1_decoder_select="h263_decoder"
1666 msmpeg4v1_encoder_select="h263_encoder"
1667 msmpeg4v2_decoder_select="h263_decoder"
1668 msmpeg4v2_encoder_select="h263_encoder"
1669 msmpeg4v3_decoder_select="h263_decoder"
1670 msmpeg4v3_encoder_select="h263_encoder"
1671 mss2_decoder_select="vc1_decoder"
1672 nellymoser_decoder_select="mdct sinewin"
1673 nellymoser_encoder_select="mdct sinewin"
1674 png_decoder_select="zlib"
1675 png_encoder_select="zlib"
1676 qcelp_decoder_select="lsp"
1677 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1678 ra_144_encoder_select="lpc"
1679 ralf_decoder_select="golomb"
1680 rv10_decoder_select="h263_decoder"
1681 rv10_encoder_select="h263_encoder"
1682 rv20_decoder_select="h263_decoder"
1683 rv20_encoder_select="h263_encoder"
1684 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1685 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1686 shorten_decoder_select="golomb"
1687 sipr_decoder_select="lsp"
1688 snow_decoder_select="dwt rangecoder"
1689 snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1690 sonic_decoder_select="golomb"
1691 sonic_encoder_select="golomb"
1692 sonic_ls_encoder_select="golomb"
1693 svq1_decoder_select="error_resilience mpegvideo"
1694 svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1695 svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1696 svq3_decoder_suggest="zlib"
1697 theora_decoder_select="vp3_decoder"
1698 tiff_decoder_suggest="zlib"
1699 tiff_encoder_suggest="zlib"
1700 truehd_decoder_select="mlp_parser"
1701 tscc_decoder_select="zlib"
1702 twinvq_decoder_select="mdct lsp sinewin"
1703 utvideo_encoder_select="huffman"
1704 vc1_crystalhd_decoder_select="crystalhd"
1705 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1706 vc1_dxva2_hwaccel_deps="dxva2api_h"
1707 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1708 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1709 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1710 vc1image_decoder_select="vc1_decoder"
1711 vorbis_decoder_select="mdct"
1712 vorbis_encoder_select="mdct"
1713 vp3_decoder_select="vp3dsp"
1714 vp5_decoder_select="vp3dsp"
1715 vp6_decoder_select="huffman vp3dsp"
1716 vp6a_decoder_select="vp6_decoder"
1717 vp6f_decoder_select="vp6_decoder"
1718 vp8_decoder_select="h264pred h264qpel"
1719 wmapro_decoder_select="mdct sinewin"
1720 wmav1_decoder_select="mdct sinewin"
1721 wmav1_encoder_select="mdct sinewin"
1722 wmav2_decoder_select="mdct sinewin"
1723 wmav2_encoder_select="mdct sinewin"
1724 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1725 wmv1_decoder_select="h263_decoder"
1726 wmv1_encoder_select="h263_encoder"
1727 wmv2_decoder_select="h263_decoder"
1728 wmv2_encoder_select="h263_encoder"
1729 wmv3_decoder_select="vc1_decoder"
1730 wmv3_crystalhd_decoder_select="crystalhd"
1731 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1732 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1733 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1734 wmv3image_decoder_select="wmv3_decoder"
1735 zerocodec_decoder_select="zlib"
1736 zlib_decoder_select="zlib"
1737 zlib_encoder_select="zlib"
1738 zmbv_decoder_select="zlib"
1739 zmbv_encoder_select="zlib"
1740
1741 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1742 vaapi_deps="va_va_h"
1743 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1744 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1745
1746 # parsers
1747 h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1748 mpeg4video_parser_select="error_resilience mpegvideo"
1749 mpegvideo_parser_select="error_resilience mpegvideo"
1750 vc1_parser_select="error_resilience mpegvideo"
1751
1752 # external libraries
1753 libaacplus_encoder_deps="libaacplus"
1754 libcelt_decoder_deps="libcelt"
1755 libfaac_encoder_deps="libfaac"
1756 libfdk_aac_encoder_deps="libfdk_aac"
1757 libgsm_decoder_deps="libgsm"
1758 libgsm_encoder_deps="libgsm"
1759 libgsm_ms_decoder_deps="libgsm"
1760 libgsm_ms_encoder_deps="libgsm"
1761 libilbc_decoder_deps="libilbc"
1762 libilbc_encoder_deps="libilbc"
1763 libmodplug_demuxer_deps="libmodplug"
1764 libmp3lame_encoder_deps="libmp3lame"
1765 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1766 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1767 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1768 libopenjpeg_decoder_deps="libopenjpeg"
1769 libopenjpeg_encoder_deps="libopenjpeg"
1770 libopus_decoder_deps="libopus"
1771 libschroedinger_decoder_deps="libschroedinger"
1772 libschroedinger_encoder_deps="libschroedinger"
1773 libspeex_decoder_deps="libspeex"
1774 libspeex_encoder_deps="libspeex"
1775 libstagefright_h264_decoder_deps="libstagefright_h264"
1776 libtheora_encoder_deps="libtheora"
1777 libtwolame_encoder_deps="libtwolame"
1778 libvo_aacenc_encoder_deps="libvo_aacenc"
1779 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1780 libvorbis_decoder_deps="libvorbis"
1781 libvorbis_encoder_deps="libvorbis"
1782 libvpx_decoder_deps="libvpx"
1783 libvpx_encoder_deps="libvpx"
1784 libx264_encoder_deps="libx264"
1785 libx264rgb_encoder_deps="libx264"
1786 libxavs_encoder_deps="libxavs"
1787 libxvid_encoder_deps="libxvid"
1788 libutvideo_decoder_deps="libutvideo"
1789 libutvideo_encoder_deps="libutvideo"
1790
1791 # demuxers / muxers
1792 ac3_demuxer_select="ac3_parser"
1793 asf_stream_muxer_select="asf_muxer"
1794 avisynth_demuxer_deps="avisynth"
1795 dirac_demuxer_select="dirac_parser"
1796 eac3_demuxer_select="ac3_parser"
1797 f4v_muxer_select="mov_muxer"
1798 flac_demuxer_select="flac_parser"
1799 ipod_muxer_select="mov_muxer"
1800 libnut_demuxer_deps="libnut"
1801 libnut_muxer_deps="libnut"
1802 matroska_audio_muxer_select="matroska_muxer"
1803 matroska_demuxer_suggest="zlib bzlib"
1804 mov_demuxer_suggest="zlib"
1805 mp3_demuxer_select="mpegaudio_parser"
1806 mp4_muxer_select="mov_muxer"
1807 mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1808 mpegtsraw_demuxer_select="mpegts_demuxer"
1809 mxf_d10_muxer_select="mxf_muxer"
1810 ogg_demuxer_select="golomb"
1811 psp_muxer_select="mov_muxer"
1812 rtp_demuxer_select="sdp_demuxer"
1813 rtp_muxer_select="mpegvideo"
1814 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1815 rtsp_demuxer_select="http_protocol rtpdec"
1816 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1817 sap_demuxer_select="sdp_demuxer"
1818 sap_muxer_select="rtp_muxer rtp_protocol"
1819 sdp_demuxer_select="rtpdec"
1820 smoothstreaming_muxer_select="ismv_muxer"
1821 spdif_muxer_select="aac_parser"
1822 tg2_muxer_select="mov_muxer"
1823 tgp_muxer_select="mov_muxer"
1824 w64_demuxer_deps="wav_demuxer"
1825
1826 # indevs / outdevs
1827 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1828 alsa_outdev_deps="alsa_asoundlib_h"
1829 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1830 caca_outdev_deps="libcaca"
1831 dshow_indev_deps="IBaseFilter"
1832 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1833 dv1394_indev_deps="dv1394 dv_demuxer"
1834 fbdev_indev_deps="linux_fb_h"
1835 iec61883_indev_deps="libiec61883"
1836 jack_indev_deps="jack_jack_h sem_timedwait"
1837 lavfi_indev_deps="avfilter"
1838 libcdio_indev_deps="libcdio"
1839 libdc1394_indev_deps="libdc1394"
1840 libv4l2_indev_deps="libv4l2"
1841 openal_indev_deps="openal"
1842 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1843 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1844 pulse_indev_deps="libpulse"
1845 sdl_outdev_deps="sdl"
1846 sndio_indev_deps="sndio_h"
1847 sndio_outdev_deps="sndio_h"
1848 v4l_indev_deps="linux_videodev_h"
1849 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1850 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1851 vfwcap_indev_extralibs="-lavicap32"
1852 x11grab_indev_deps="x11grab"
1853
1854 # protocols
1855 bluray_protocol_deps="libbluray"
1856 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1857 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1858 ffrtmpcrypt_protocol_select="tcp_protocol"
1859 ffrtmphttp_protocol_deps="!librtmp_protocol"
1860 ffrtmphttp_protocol_select="http_protocol"
1861 gopher_protocol_deps="network"
1862 httpproxy_protocol_deps="network"
1863 httpproxy_protocol_select="tcp_protocol"
1864 http_protocol_deps="network"
1865 http_protocol_select="tcp_protocol"
1866 https_protocol_select="tls_protocol"
1867 librtmp_protocol_deps="librtmp"
1868 librtmpe_protocol_deps="librtmp"
1869 librtmps_protocol_deps="librtmp"
1870 librtmpt_protocol_deps="librtmp"
1871 librtmpte_protocol_deps="librtmp"
1872 mmsh_protocol_select="http_protocol"
1873 mmst_protocol_deps="network"
1874 rtmp_protocol_deps="!librtmp_protocol"
1875 rtmp_protocol_select="tcp_protocol"
1876 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1877 rtmps_protocol_deps="!librtmp_protocol"
1878 rtmps_protocol_select="tls_protocol"
1879 rtmpt_protocol_select="ffrtmphttp_protocol"
1880 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1881 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1882 rtp_protocol_select="udp_protocol"
1883 sctp_protocol_deps="network struct_sctp_event_subscribe"
1884 tcp_protocol_deps="network"
1885 tls_protocol_deps_any="openssl gnutls"
1886 tls_protocol_select="tcp_protocol"
1887 udp_protocol_deps="network"
1888
1889 # filters
1890 aconvert_filter_deps="swresample"
1891 amovie_filter_deps="avcodec avformat"
1892 aresample_filter_deps="swresample"
1893 ass_filter_deps="libass"
1894 asyncts_filter_deps="avresample"
1895 atempo_filter_deps="avcodec rdft"
1896 blackframe_filter_deps="gpl"
1897 boxblur_filter_deps="gpl"
1898 colormatrix_filter_deps="gpl"
1899 cropdetect_filter_deps="gpl"
1900 decimate_filter_deps="gpl avcodec"
1901 delogo_filter_deps="gpl"
1902 deshake_filter_deps="avcodec"
1903 drawtext_filter_deps="libfreetype"
1904 flite_filter_deps="libflite"
1905 frei0r_filter_deps="frei0r dlopen"
1906 frei0r_filter_extralibs='$ldl'
1907 frei0r_src_filter_deps="frei0r dlopen"
1908 frei0r_src_filter_extralibs='$ldl'
1909 hqdn3d_filter_deps="gpl"
1910 movie_filter_deps="avcodec avformat"
1911 mp_filter_deps="gpl avcodec swscale postproc inline_asm"
1912 mptestsrc_filter_deps="gpl"
1913 negate_filter_deps="lut_filter"
1914 resample_filter_deps="avresample"
1915 ocv_filter_deps="libopencv"
1916 pan_filter_deps="swresample"
1917 removelogo_filter_deps="avcodec avformat swscale"
1918 scale_filter_deps="swscale"
1919 smartblur_filter_deps="gpl swscale"
1920 showspectrum_filter_deps="avcodec"
1921 super2xsai_filter_deps="gpl"
1922 tinterlace_filter_deps="gpl"
1923 yadif_filter_deps="gpl"
1924
1925 # libraries
1926 avdevice_deps="avcodec avformat"
1927 avformat_deps="avcodec"
1928 postproc_deps="gpl"
1929
1930 # programs
1931 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1932 ffmpeg_select="ffbuffersink_filter format_filter aformat_filter
1933                setpts_filter null_filter anull_filter ffabuffersink_filter"
1934 ffplay_deps="avcodec avformat swscale swresample sdl"
1935 ffplay_select="ffbuffersink_filter rdft crop_filter"
1936 ffprobe_deps="avcodec avformat"
1937 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1938 ffserver_extralibs='$ldl'
1939
1940 # documentation
1941 podpages_deps="perl"
1942 manpages_deps="perl pod2man"
1943 htmlpages_deps="texi2html"
1944 txtpages_deps="makeinfo"
1945 doc_deps_any="manpages htmlpages podpages txtpages"
1946
1947 # tests
1948 colormatrix1_test_deps="colormatrix_filter"
1949 colormatrix2_test_deps="colormatrix_filter"
1950 flashsv2_test_deps="zlib"
1951 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1952 mpng_test_deps="zlib"
1953 pp_test_deps="mp_filter"
1954 pp2_test_deps="mp_filter"
1955 pp3_test_deps="mp_filter"
1956 pp4_test_deps="mp_filter"
1957 pp5_test_deps="mp_filter"
1958 pp6_test_deps="mp_filter"
1959 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1960 zlib_test_deps="zlib"
1961 zmbv_test_deps="zlib"
1962
1963 test_deps(){
1964     suf1=$1
1965     suf2=$2
1966     shift 2
1967     for v; do
1968         dep=${v%=*}
1969         tests=${v#*=}
1970         for name in ${tests}; do
1971             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1972         done
1973     done
1974 }
1975
1976 test_deps _muxer _demuxer                                               \
1977     aiff                                                                \
1978     pcm_alaw=alaw                                                       \
1979     asf                                                                 \
1980     au                                                                  \
1981     avi                                                                 \
1982     dv=dv_fmt                                                           \
1983     ffm                                                                 \
1984     flv=flv_fmt                                                         \
1985     gxf                                                                 \
1986     matroska=mkv                                                        \
1987     mmf                                                                 \
1988     mov="mov ismv"                                                      \
1989     pcm_mulaw=mulaw                                                     \
1990     mxf="mxf mxf_d10"                                                   \
1991     nut                                                                 \
1992     ogg="ogg ogg_vp3"                                                   \
1993     rawvideo=pixfmt                                                     \
1994     rm                                                                  \
1995     swf                                                                 \
1996     mpegts=ts                                                           \
1997     voc                                                                 \
1998     wav                                                                 \
1999     yuv4mpegpipe=yuv4mpeg                                               \
2000
2001 # default parameters
2002
2003 logfile="config.log"
2004
2005 # installation paths
2006 prefix_default="/usr/local"
2007 bindir_default='${prefix}/bin'
2008 datadir_default='${prefix}/share/ffmpeg'
2009 incdir_default='${prefix}/include'
2010 libdir_default='${prefix}/lib'
2011 mandir_default='${prefix}/share/man'
2012 shlibdir_default="$libdir_default"
2013 postproc_version_default="current"
2014
2015 # toolchain
2016 ar_default="ar"
2017 cc_default="gcc"
2018 cxx_default="g++"
2019 host_cc_default="gcc"
2020 install="install"
2021 ln_s="ln -sf"
2022 nm_default="nm -g"
2023 objformat="elf"
2024 pkg_config_default=pkg-config
2025 ranlib="ranlib"
2026 strip_default="strip"
2027 yasmexe_default="yasm"
2028
2029 nogas=":"
2030
2031 # machine
2032 arch_default=$(uname -m)
2033 cpu="generic"
2034
2035 # OS
2036 target_os_default=$(tolower $(uname -s))
2037 host_os=$target_os_default
2038
2039 # alternative libpostproc version
2040 ALT_PP_VER_MAJOR=51
2041 ALT_PP_VER_MINOR=2
2042 ALT_PP_VER_MICRO=101
2043 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
2044
2045 # configurable options
2046 enable $PROGRAM_LIST
2047 enable $DOCUMENT_LIST
2048
2049 enable avcodec
2050 enable avdevice
2051 enable avfilter
2052 enable avformat
2053 enable avutil
2054 enable postproc
2055 enable stripping
2056 enable swresample
2057 enable swscale
2058
2059 enable asm
2060 enable debug
2061 enable doc
2062 enable network
2063 enable optimizations
2064 enable runtime_cpudetect
2065 enable safe_bitstream_reader
2066 enable static
2067 enable swscale_alpha
2068
2069 # build settings
2070 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2071 FFSERVERLDFLAGS=-Wl,-E
2072 LIBPREF="lib"
2073 LIBSUF=".a"
2074 FULLNAME='$(NAME)$(BUILDSUF)'
2075 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2076 SLIBPREF="lib"
2077 SLIBSUF=".so"
2078 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2079 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2080 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2081 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2082 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2083 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2084
2085 asflags_filter=echo
2086 cflags_filter=echo
2087 ldflags_filter=echo
2088
2089 AS_C='-c'
2090 AS_O='-o $@'
2091 CC_C='-c'
2092 CC_E='-E -o $@'
2093 CC_O='-o $@'
2094 CXX_C='-c'
2095 CXX_O='-o $@'
2096 LD_O='-o $@'
2097 LD_LIB='-l%'
2098 LD_PATH='-L'
2099 HOSTCC_C='-c'
2100 HOSTCC_O='-o $@'
2101 HOSTLD_O='-o $@'
2102
2103 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
2104 host_libs='-lm'
2105 host_cflags_filter=echo
2106 host_ldflags_filter=echo
2107
2108 target_path='$(CURDIR)'
2109
2110 # since the object filename is not given with the -MM flag, the compiler
2111 # is only able to print the basename, and we must add the path ourselves
2112 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2113 DEPFLAGS='-MM'
2114
2115 # find source path
2116 if test -f configure; then
2117     source_path=.
2118 else
2119     source_path=$(cd $(dirname "$0"); pwd)
2120     echo "$source_path" | grep -q '[[:blank:]]' &&
2121         die "Out of tree builds are impossible with whitespace in source path."
2122     test -e "$source_path/config.h" &&
2123         die "Out of tree builds are impossible with config.h in source dir."
2124 fi
2125
2126 for v in "$@"; do
2127     r=${v#*=}
2128     l=${v%"$r"}
2129     r=$(sh_quote "$r")
2130     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2131 done
2132
2133 find_things(){
2134     thing=$1
2135     pattern=$2
2136     file=$source_path/$3
2137     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2138 }
2139
2140 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2141 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2142 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2143 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2144 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
2145 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2146 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2147 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2148 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2149 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2150 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2151
2152 ALL_COMPONENTS="
2153     $BSF_LIST
2154     $DECODER_LIST
2155     $DEMUXER_LIST
2156     $ENCODER_LIST
2157     $FILTER_LIST
2158     $HWACCEL_LIST
2159     $INDEV_LIST
2160     $MUXER_LIST
2161     $OUTDEV_LIST
2162     $PARSER_LIST
2163     $PROTOCOL_LIST
2164 "
2165
2166 find_tests(){
2167     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
2168 }
2169
2170 LAVF_FATE_TESTS=$(find_tests lavf-fate)
2171 LAVF_TESTS=$(find_tests lavf)
2172 LAVFI_TESTS=$(find_tests lavfi)
2173 SEEK_TESTS=$(find_tests seek seek_)
2174
2175 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
2176
2177 for n in $COMPONENT_LIST; do
2178     v=$(toupper ${n%s})_LIST
2179     eval enable \$$v
2180     eval ${n}_if_any="\$$v"
2181 done
2182
2183 enable $ARCH_EXT_LIST $ALL_TESTS
2184
2185 die_unknown(){
2186     echo "Unknown option \"$1\"."
2187     echo "See $0 --help for available options."
2188     exit 1
2189 }
2190
2191 show_list() {
2192     suffix=_$1
2193     shift
2194     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2195     exit 0
2196 }
2197
2198 rand_list(){
2199     IFS=', '
2200     set -- $*
2201     unset IFS
2202     for thing; do
2203         comp=${thing%:*}
2204         prob=${thing#$comp}
2205         prob=${prob#:}
2206         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2207         echo "prob ${prob:-0.5}"
2208         printf '%s\n' $comp
2209     done
2210 }
2211
2212 do_random(){
2213     action=$1
2214     shift
2215     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2216     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2217 }
2218
2219 for opt do
2220     optval="${opt#*=}"
2221     case "$opt" in
2222     --extra-ldflags=*) add_ldflags $optval
2223     ;;
2224     --extra-libs=*) add_extralibs $optval
2225     ;;
2226     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2227     ;;
2228     --enable-debug=*) debuglevel="$optval"
2229     ;;
2230     --disable-everything)
2231     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2232     ;;
2233     --enable-random|--disable-random)
2234     action=${opt%%-random}
2235     do_random ${action#--} $COMPONENT_LIST
2236     ;;
2237     --enable-random=*|--disable-random=*)
2238     action=${opt%%-random=*}
2239     do_random ${action#--} $optval
2240     ;;
2241     --enable-*=*|--disable-*=*)
2242     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2243     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2244     eval list=\$$(toupper $thing)_LIST
2245     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2246     $action $(filter "$name" $list)
2247     ;;
2248     --enable-?*|--disable-?*)
2249     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2250     if is_in $option $COMPONENT_LIST; then
2251         test $action = disable && action=unset
2252         eval $action \$$(toupper ${option%s})_LIST
2253     elif is_in $option $CMDLINE_SELECT; then
2254         $action $option
2255     else
2256         die_unknown $opt
2257     fi
2258     ;;
2259     --list-*)
2260         NAME="${opt#--list-}"
2261         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2262         NAME=${NAME%s}
2263         eval show_list $NAME \$$(toupper $NAME)_LIST
2264     ;;
2265     --help|-h) show_help
2266     ;;
2267     *)
2268     optname="${opt%%=*}"
2269     optname="${optname#--}"
2270     optname=$(echo "$optname" | sed 's/-/_/g')
2271     if is_in $optname $CMDLINE_SET; then
2272         eval $optname='$optval'
2273     elif is_in $optname $CMDLINE_APPEND; then
2274         append $optname "$optval"
2275     else
2276          die_unknown $opt
2277     fi
2278     ;;
2279     esac
2280 done
2281
2282 disabled logging && logfile=/dev/null
2283
2284 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2285 set >> $logfile
2286
2287 test -n "$cross_prefix" && enable cross_compile
2288
2289 if enabled cross_compile; then
2290     test -n "$arch" && test -n "$target_os" ||
2291         die "Must specify target arch and OS when cross-compiling"
2292 fi
2293
2294 set_default arch target_os postproc_version
2295
2296 # Check if we should build alternative libpostproc version instead of current
2297 if   test "$postproc_version" = $ALT_PP_VER; then
2298   LIBPOSTPROC_VERSION=$ALT_PP_VER
2299   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2300   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2301   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2302 elif test "$postproc_version" != current; then
2303   die "Invalid argument to --postproc-version. See --help output."
2304 fi
2305
2306 ar_default="${cross_prefix}${ar_default}"
2307 cc_default="${cross_prefix}${cc_default}"
2308 cxx_default="${cross_prefix}${cxx_default}"
2309 nm_default="${cross_prefix}${nm_default}"
2310 pkg_config_default="${cross_prefix}${pkg_config_default}"
2311 ranlib="${cross_prefix}${ranlib}"
2312 strip_default="${cross_prefix}${strip_default}"
2313
2314 sysinclude_default="${sysroot}/usr/include"
2315
2316 case "$toolchain" in
2317     msvc)
2318         cc_default="c99wrap cl"
2319         ld_default="c99wrap link"
2320         nm_default="dumpbin -symbols"
2321         ar_default="lib"
2322     ;;
2323     ?*)
2324         die "Unknown toolchain $toolchain"
2325     ;;
2326 esac
2327
2328 set_default cc cxx pkg_config strip sysinclude yasmexe
2329 enabled cross_compile || host_cc_default=$cc
2330 set_default host_cc
2331
2332 if ! $pkg_config --version >/dev/null 2>&1; then
2333     warn "$pkg_config not found, library detection may fail."
2334     pkg_config=false
2335 fi
2336
2337 exesuf() {
2338     case $1 in
2339         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2340     esac
2341 }
2342
2343 EXESUF=$(exesuf $target_os)
2344 HOSTEXESUF=$(exesuf $host_os)
2345
2346 # set temporary file name
2347 : ${TMPDIR:=$TEMPDIR}
2348 : ${TMPDIR:=$TMP}
2349 : ${TMPDIR:=/tmp}
2350
2351 if ! check_cmd mktemp -u XXXXXX; then
2352     # simple replacement for missing mktemp
2353     # NOT SAFE FOR GENERAL USE
2354     mktemp(){
2355         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2356     }
2357 fi
2358
2359 tmpfile(){
2360     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2361         (set -C; exec > $tmp) 2>/dev/null ||
2362         die "Unable to create temporary file in $TMPDIR."
2363     append TMPFILES $tmp
2364     eval $1=$tmp
2365 }
2366
2367 trap 'rm -f -- $TMPFILES' EXIT
2368
2369 tmpfile TMPASM .asm
2370 tmpfile TMPC   .c
2371 tmpfile TMPCPP .cpp
2372 tmpfile TMPE   $EXESUF
2373 tmpfile TMPH   .h
2374 tmpfile TMPO   .o
2375 tmpfile TMPS   .S
2376 tmpfile TMPSH  .sh
2377 tmpfile TMPV   .ver
2378
2379 unset -f mktemp
2380
2381 chmod +x $TMPE
2382
2383 # make sure we can execute files in $TMPDIR
2384 cat > $TMPSH 2>> $logfile <<EOF
2385 #! /bin/sh
2386 EOF
2387 chmod +x $TMPSH >> $logfile 2>&1
2388 if ! $TMPSH >> $logfile 2>&1; then
2389     cat <<EOF
2390 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2391 variable to another directory and make sure that it is not mounted noexec.
2392 EOF
2393     die "Sanity test failed."
2394 fi
2395
2396 msvc_flags(){
2397     for flag; do
2398         case $flag in
2399             -fomit-frame-pointer) echo -Oy ;;
2400             -g)                   echo -Z7 ;;
2401             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2402                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2403                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2404                                        -wd4996 -wd4554 ;;
2405             -std=c99)             ;;
2406             -fno-math-errno)      ;;
2407             -fno-common)          ;;
2408             -fno-signed-zeros)    ;;
2409             -lz)                  echo zlib.lib ;;
2410             -l*)                  echo ${flag#-l}.lib ;;
2411             *)                    echo $flag ;;
2412         esac
2413     done
2414 }
2415
2416 pgi_flags(){
2417     for flag; do
2418         case $flag in
2419             -fomit-frame-pointer) echo -Mnoframe ;;
2420             -g)                   echo -gopt ;;
2421             *)                    echo $flag ;;
2422         esac
2423     done
2424 }
2425
2426 suncc_flags(){
2427     for flag; do
2428         case $flag in
2429             -march=*|-mcpu=*)
2430                 case "${flag#*=}" in
2431                     native)                   echo -xtarget=native       ;;
2432                     v9|niagara)               echo -xarch=sparc          ;;
2433                     ultrasparc)               echo -xarch=sparcvis       ;;
2434                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2435                     i586|pentium)             echo -xchip=pentium        ;;
2436                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2437                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2438                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2439                     pentium4*)          echo -xtarget=pentium4           ;;
2440                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2441                     *-sse3)             echo -xarch=sse3                 ;;
2442                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
2443                     amdfam10|barcelona|bdver*) echo -xarch=sse4_1        ;;
2444                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2445                     k8|opteron|athlon64|athlon-fx)
2446                                               echo -xarch=sse2a          ;;
2447                     athlon*)                  echo -xarch=pentium_proa   ;;
2448                 esac
2449                 ;;
2450             -std=c99)             echo -xc99              ;;
2451             -fomit-frame-pointer) echo -xregs=frameptr    ;;
2452             -fPIC)                echo -KPIC -xcode=pic32 ;;
2453             -W*,*)                echo $flag              ;;
2454             -f*-*|-W*)                                    ;;
2455             *)                    echo $flag              ;;
2456         esac
2457     done
2458 }
2459
2460 tms470_flags(){
2461     for flag; do
2462         case $flag in
2463             -march=*|-mcpu=*)
2464                 case "${flag#*=}" in
2465                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
2466                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
2467                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
2468                     armv6*|arm11*)          echo -mv=6   ;;
2469                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2470                                             echo -mv=5e  ;;
2471                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2472                 esac
2473                 ;;
2474             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2475             -mfpu=vfp)      echo --float_support=vfpv2        ;;
2476             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2477             -msoft-float)   echo --float_support=vfplib       ;;
2478             -O[0-3]|-mf=*)  echo $flag                        ;;
2479             -g)             echo -g -mn                       ;;
2480             -pds=*)         echo $flag                        ;;
2481             -D*|-I*)        echo $flag                        ;;
2482             --gcc|--abi=*)  echo $flag                        ;;
2483             -me)            echo $flag                        ;;
2484         esac
2485     done
2486 }
2487
2488 probe_cc(){
2489     pfx=$1
2490     _cc=$2
2491
2492     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2493     unset _ld_o _ldflags _ld_lib _ld_path
2494     unset _depflags _DEPCMD _DEPFLAGS
2495     _flags_filter=echo
2496
2497     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2498         _type=llvm_gcc
2499         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2500         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2501         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2502         _cflags_speed='-O3'
2503         _cflags_size='-Os'
2504     elif $_cc -v 2>&1 | grep -qi ^gcc; then
2505         _type=gcc
2506         gcc_version=$($_cc --version | head -n1)
2507         gcc_basever=$($_cc -dumpversion)
2508         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2509         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2510         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2511         if ! $_cc -dumpversion | grep -q '^2\.'; then
2512             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2513         fi
2514         _cflags_speed='-O3'
2515         _cflags_size='-Os'
2516     elif $_cc --version 2>/dev/null | grep -q Intel; then
2517         _type=icc
2518         _ident=$($_cc --version | head -n1)
2519         _depflags='-MMD'
2520         _cflags_speed='-O3'
2521         _cflags_size='-Os'
2522         _cflags_noopt='-O1'
2523     elif $_cc -v 2>&1 | grep -q xlc; then
2524         _type=xlc
2525         _ident=$($_cc -qversion 2>/dev/null | head -n1)
2526         _cflags_speed='-O5'
2527         _cflags_size='-O5 -qcompact'
2528     elif $_cc -V 2>/dev/null | grep -q Compaq; then
2529         _type=ccc
2530         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2531         _DEPFLAGS='-M'
2532         debuglevel=3
2533         _ldflags='-Wl,-z,now' # calls to libots crash without this
2534         _cflags_speed='-fast'
2535         _cflags_size='-O1'
2536     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2537         test -d "$sysroot" || die "No valid sysroot specified."
2538         _type=armcc
2539         _ident=$($_cc --vsn | head -n1)
2540         armcc_conf="$PWD/armcc.conf"
2541         $_cc --arm_linux_configure                 \
2542              --arm_linux_config_file="$armcc_conf" \
2543              --configure_sysroot="$sysroot"        \
2544              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2545              die "Error creating armcc configuration file."
2546         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2547         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2548         as_default="${cross_prefix}gcc"
2549         _depflags='-MMD'
2550         _cflags_speed='-O3'
2551         _cflags_size='-Os'
2552     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2553         _type=tms470
2554         _ident=$($_cc -version | head -n1 | tr -s ' ')
2555         _flags='--gcc --abi=eabi -me'
2556         _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2557         _cc_e='-ppl -fe=$@'
2558         _cc_o='-fe=$@'
2559         as_default="${cross_prefix}gcc"
2560         ld_default="${cross_prefix}gcc"
2561         _depflags='-ppa -ppd=$(@:.o=.d)'
2562         _cflags_speed='-O3 -mf=5'
2563         _cflags_size='-O3 -mf=2'
2564         _flags_filter=tms470_flags
2565     elif $_cc -v 2>&1 | grep -q clang; then
2566         _type=clang
2567         _ident=$($_cc --version | head -n1)
2568         _depflags='-MMD'
2569         _cflags_speed='-O3'
2570         _cflags_size='-Os'
2571     elif $_cc -V 2>&1 | grep -q Sun; then
2572         _type=suncc
2573         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2574         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2575         _DEPFLAGS='-xM1 -xc99'
2576         _ldflags='-std=c99'
2577         _cflags_speed='-O5'
2578         _cflags_size='-O5 -xspace'
2579         _flags_filter=suncc_flags
2580     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2581         _type=pathscale
2582         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2583         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2584         _cflags_speed='-O2'
2585         _cflags_size='-Os'
2586         _flags_filter='filter_out -Wdisabled-optimization'
2587     elif $_cc -v 2>&1 | grep -q Open64; then
2588         _type=open64
2589         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2590         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2591         _cflags_speed='-O2'
2592         _cflags_size='-Os'
2593         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2594     elif $_cc -V 2>&1 | grep -q Portland; then
2595         _type=pgi
2596         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2597         opt_common='-alias=ansi -Mlre -Mpre'
2598         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2599         _cflags_size="-O2 -Munroll=c:1 $opt_common"
2600         _cflags_noopt="-O1"
2601         _flags_filter=pgi_flags
2602     elif $_cc 2>&1 | grep -q Microsoft; then
2603         _type=msvc
2604         _ident=$($cc 2>&1 | head -n1)
2605         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2606         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2607         _cflags_speed="-O2"
2608         _cflags_size="-O1"
2609         # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2610         if $_cc 2>&1 | grep -q Linker; then
2611             _ld_o='-out $@'
2612         else
2613             _ld_o='-Fe$@'
2614         fi
2615         _cc_o='-Fo $@'
2616         _cc_e='-P -Fi $@'
2617         _flags_filter=msvc_flags
2618         _ld_lib='lib%.a'
2619         _ld_path='-libpath:'
2620         _flags='-nologo'
2621         _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2622         if [ $pfx = hostcc ]; then
2623             append _cflags -Dsnprintf=_snprintf
2624         fi
2625         disable stripping
2626     fi
2627
2628     eval ${pfx}_type=\$_type
2629     eval ${pfx}_ident=\$_ident
2630 }
2631
2632 set_ccvars(){
2633     eval ${1}_C=\${_cc_c-\${${1}_C}}
2634     eval ${1}_E=\${_cc_e-\${${1}_E}}
2635     eval ${1}_O=\${_cc_o-\${${1}_O}}
2636
2637     if [ -n "$_depflags" ]; then
2638         eval ${1}_DEPFLAGS=\$_depflags
2639     else
2640         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2641         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2642         eval DEP${1}FLAGS=\$_flags
2643     fi
2644 }
2645
2646 probe_cc cc "$cc"
2647 cflags_filter=$_flags_filter
2648 cflags_speed=$_cflags_speed
2649 cflags_size=$_cflags_size
2650 cflags_noopt=$_cflags_noopt
2651 add_cflags $_flags $_cflags
2652 cc_ldflags=$_ldflags
2653 set_ccvars CC
2654
2655 probe_cc hostcc "$host_cc"
2656 host_cflags_filter=$_flags_filter
2657 add_host_cflags  $_flags $_cflags
2658 set_ccvars HOSTCC
2659
2660 test -n "$cc_type" && enable $cc_type ||
2661     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2662
2663 : ${as_default:=$cc}
2664 : ${dep_cc_default:=$cc}
2665 : ${ld_default:=$cc}
2666 : ${host_ld_default:=$host_cc}
2667 set_default ar as dep_cc ld host_ld
2668
2669 probe_cc as "$as"
2670 asflags_filter=$_flags_filter
2671 add_asflags $_flags $_cflags
2672 set_ccvars AS
2673
2674 probe_cc ld "$ld"
2675 ldflags_filter=$_flags_filter
2676 add_ldflags $_flags $_ldflags
2677 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2678 LD_O=${_ld_o-$LD_O}
2679 LD_LIB=${_ld_lib-$LD_LIB}
2680 LD_PATH=${_ld_path-$LD_PATH}
2681
2682 probe_cc hostld "$host_ld"
2683 host_ldflags_filter=$_flags_filter
2684 add_host_ldflags $_flags $_ldflags
2685 HOSTLD_O=${_ld_o-$HOSTLD_O}
2686
2687 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2688     probe_cc depcc "$dep_cc"
2689     CCDEP=${_DEPCMD:-$DEPCMD}
2690     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2691     DEPCCFLAGS=$_flags
2692 fi
2693
2694 if $ar 2>&1 | grep -q Microsoft; then
2695     arflags="-nologo"
2696     ar_o='-out:$@'
2697 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2698     arflags="rq"
2699     ar_o='$@'
2700 else
2701     arflags="rc"
2702     ar_o='$@'
2703 fi
2704
2705 add_cflags $extra_cflags
2706 add_cxxflags $extra_cxxflags
2707 add_asflags $extra_cflags
2708
2709 if test -n "$sysroot"; then
2710     case "$cc_type" in
2711         gcc|llvm_gcc|clang)
2712             add_cppflags --sysroot="$sysroot"
2713             add_ldflags --sysroot="$sysroot"
2714         ;;
2715         tms470)
2716             add_cppflags -I"$sysinclude"
2717             add_ldflags  --sysroot="$sysroot"
2718         ;;
2719     esac
2720 fi
2721
2722 if test "$cpu" = host; then
2723     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2724
2725     case "$cc_type" in
2726         gcc|llvm_gcc)
2727             check_native(){
2728                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2729                 sed -n "/cc1.*$1=/{
2730                             s/.*$1=\\([^ ]*\\).*/\\1/
2731                             p
2732                             q
2733                         }" $TMPE
2734             }
2735             cpu=$(check_native -march || check_native -mcpu)
2736         ;;
2737     esac
2738
2739     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2740 fi
2741
2742 # Deal with common $arch aliases
2743 case "$arch" in
2744     arm*|iPad*)
2745         arch="arm"
2746     ;;
2747     mips|mipsel|IP*)
2748         arch="mips"
2749     ;;
2750     mips64*)
2751         arch="mips"
2752         subarch="mips64"
2753     ;;
2754     parisc|hppa)
2755         arch="parisc"
2756     ;;
2757     parisc64|hppa64)
2758         arch="parisc"
2759         subarch="parisc64"
2760     ;;
2761     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2762         arch="ppc"
2763     ;;
2764     s390|s390x)
2765         arch="s390"
2766     ;;
2767     sh4|sh)
2768         arch="sh4"
2769     ;;
2770     sun4u|sparc64)
2771         arch="sparc"
2772         subarch="sparc64"
2773     ;;
2774     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2775         arch="x86"
2776     ;;
2777 esac
2778
2779 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2780 enable $arch
2781
2782 # Add processor-specific flags
2783 if test "$cpu" = generic; then
2784     : do nothing
2785 elif enabled ppc; then
2786
2787     case $(tolower $cpu) in
2788         601|ppc601|powerpc601)
2789             cpuflags="-mcpu=601"
2790             disable altivec
2791         ;;
2792         603*|ppc603*|powerpc603*)
2793             cpuflags="-mcpu=603"
2794             disable altivec
2795         ;;
2796         604*|ppc604*|powerpc604*)
2797             cpuflags="-mcpu=604"
2798             disable altivec
2799         ;;
2800         g3|75*|ppc75*|powerpc75*)
2801             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2802             disable altivec
2803         ;;
2804         g4|745*|ppc745*|powerpc745*)
2805             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2806         ;;
2807         74*|ppc74*|powerpc74*)
2808             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2809         ;;
2810         g5|970|ppc970|powerpc970)
2811             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2812         ;;
2813         power[3-7]*)
2814             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2815         ;;
2816         cell)
2817             cpuflags="-mcpu=cell"
2818             enable ldbrx
2819         ;;
2820         e500mc)
2821             cpuflags="-mcpu=e500mc"
2822             disable altivec
2823         ;;
2824         e500v2)
2825             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2826             disable altivec
2827         ;;
2828         e500)
2829             cpuflags="-mcpu=8540 -mhard-float"
2830             disable altivec
2831         ;;
2832     esac
2833
2834 elif enabled x86; then
2835
2836     case $cpu in
2837         i[345]86|pentium)
2838             cpuflags="-march=$cpu"
2839             disable mmx
2840         ;;
2841         # targets that do NOT support conditional mov (cmov)
2842         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2843             cpuflags="-march=$cpu"
2844             disable cmov
2845         ;;
2846         # targets that do support conditional mov (cmov)
2847         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
2848             cpuflags="-march=$cpu"
2849             enable cmov
2850             enable fast_cmov
2851         ;;
2852         # targets that do support conditional mov but on which it's slow
2853         pentium4|pentium4m|prescott|nocona)
2854             cpuflags="-march=$cpu"
2855             enable cmov
2856             disable fast_cmov
2857         ;;
2858     esac
2859
2860 elif enabled sparc; then
2861
2862     case $cpu in
2863         niagara)
2864             cpuflags="-mcpu=$cpu"
2865             disable vis
2866         ;;
2867         sparc64)
2868             cpuflags="-mcpu=v9"
2869         ;;
2870     esac
2871
2872 elif enabled arm; then
2873
2874     case $cpu in
2875         armv*)
2876             cpuflags="-march=$cpu"
2877             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2878         ;;
2879         *)
2880             cpuflags="-mcpu=$cpu"
2881             case $cpu in
2882                 cortex-a*)                               subarch=armv7a  ;;
2883                 cortex-r*)                               subarch=armv7r  ;;
2884                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2885                 arm11*)                                  subarch=armv6   ;;
2886                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2887                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2888             esac
2889         ;;
2890     esac
2891
2892 elif enabled alpha; then
2893
2894     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2895
2896 elif enabled bfin; then
2897
2898     cpuflags="-mcpu=$cpu"
2899
2900 elif enabled mips; then
2901
2902     cpuflags="-march=$cpu"
2903
2904     case $cpu in
2905         24kc)
2906             disable mipsfpu
2907             disable mipsdspr1
2908             disable mipsdspr2
2909         ;;
2910         24kf*)
2911             disable mipsdspr1
2912             disable mipsdspr2
2913         ;;
2914         24kec|34kc|1004kc)
2915             disable mipsfpu
2916             disable mipsdspr2
2917         ;;
2918         24kef*|34kf*|1004kf*)
2919             disable mipsdspr2
2920         ;;
2921         74kc)
2922             disable mipsfpu
2923         ;;
2924     esac
2925
2926 elif enabled avr32; then
2927
2928     case $cpu in
2929         ap7[02]0[0-2])
2930             subarch="avr32_ap"
2931             cpuflags="-mpart=$cpu"
2932         ;;
2933         ap)
2934             subarch="avr32_ap"
2935             cpuflags="-march=$cpu"
2936         ;;
2937         uc3[ab]*)
2938             subarch="avr32_uc"
2939             cpuflags="-mcpu=$cpu"
2940         ;;
2941         uc)
2942             subarch="avr32_uc"
2943             cpuflags="-march=$cpu"
2944         ;;
2945     esac
2946
2947 fi
2948
2949 add_cflags $cpuflags
2950 add_asflags $cpuflags
2951
2952 # compiler sanity check
2953 check_exec <<EOF
2954 int main(void){ return 0; }
2955 EOF
2956 if test "$?" != 0; then
2957     echo "$cc is unable to create an executable file."
2958     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2959         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2960         echo "Only do this if you know what cross compiling means."
2961     fi
2962     die "C compiler test failed."
2963 fi
2964
2965 add_cppflags -D_ISOC99_SOURCE
2966 add_cxxflags -D__STDC_CONSTANT_MACROS
2967 check_cflags -std=c99
2968 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2969 #include <stdlib.h>
2970 EOF
2971 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2972 #include <stdlib.h>
2973 EOF
2974
2975 check_host_cflags -std=c99
2976 check_host_cflags -Wall
2977
2978 case "$arch" in
2979     alpha|ia64|mips|parisc|sparc)
2980         spic=$shared
2981     ;;
2982     x86)
2983         subarch="x86_32"
2984         check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2985         if test "$subarch" = "x86_64"; then
2986             spic=$shared
2987         fi
2988     ;;
2989     ppc)
2990         check_cc <<EOF && subarch="ppc64"
2991         int test[(int)sizeof(char*) - 7];
2992 EOF
2993     ;;
2994 esac
2995
2996 enable $subarch
2997 enabled spic && enable pic
2998
2999 # OS specific
3000 case $target_os in
3001     haiku)
3002         prefix_default="/boot/common"
3003         network_extralibs="-lnetwork"
3004         host_libs=
3005         ;;
3006     sunos)
3007         FFSERVERLDFLAGS=""
3008         SHFLAGS='-shared -Wl,-h,$$(@F)'
3009         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3010         network_extralibs="-lsocket -lnsl"
3011         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3012         # When using suncc to build, the Solaris linker will mark
3013         # an executable with each instruction set encountered by
3014         # the Solaris assembler.  As our libraries contain their own
3015         # guards for processor-specific code, instead suppress
3016         # generation of the HWCAPS ELF section on Solaris x86 only.
3017         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
3018         nm_default='nm -P -g'
3019         ;;
3020     netbsd)
3021         disable symver
3022         oss_indev_extralibs="-lossaudio"
3023         oss_outdev_extralibs="-lossaudio"
3024         enabled gcc || check_ldflags -Wl,-zmuldefs
3025         ;;
3026     openbsd|bitrig)
3027         # On OpenBSD 4.5. the compiler does not use PIC unless
3028         # explicitly using -fPIC. FFmpeg builds fine without PIC,
3029         # however the generated executable will not do anything
3030         # (simply quits with exit-code 1, no crash, no output).
3031         # Thus explicitly enable PIC here.
3032         enable pic
3033         disable symver
3034         SHFLAGS='-shared'
3035         SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
3036         SLIB_INSTALL_LINKS=
3037         oss_indev_extralibs="-lossaudio"
3038         oss_outdev_extralibs="-lossaudio"
3039         ;;
3040     dragonfly)
3041         disable symver
3042         ;;
3043     freebsd)
3044         ;;
3045     bsd/os)
3046         add_extralibs -lpoll -lgnugetopt
3047         strip="strip -d"
3048         ;;
3049     darwin)
3050         gas="gas-preprocessor.pl $cc"
3051         enabled ppc && add_asflags -force_cpusubtype_ALL
3052         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3053         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3054         strip="${strip} -x"
3055         add_ldflags -Wl,-dynamic,-search_paths_first
3056         SLIBSUF=".dylib"
3057         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3058         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3059         FFSERVERLDFLAGS=-Wl,-bind_at_load
3060         objformat="macho"
3061         enabled x86_64 && objformat="macho64"
3062         enabled_any pic shared ||
3063             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3064         ;;
3065     mingw32*)
3066         if test $target_os = "mingw32ce"; then
3067             disable network
3068         else
3069             target_os=mingw32
3070         fi
3071         LIBTARGET=i386
3072         if enabled x86_64; then
3073             LIBTARGET="i386:x86-64"
3074         elif enabled arm; then
3075             LIBTARGET=arm-wince
3076         fi
3077         shlibdir_default="$bindir_default"
3078         SLIBPREF=""
3079         SLIBSUF=".dll"
3080         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3081         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3082         dlltool="${cross_prefix}dlltool"
3083         if check_cmd lib.exe -list; then
3084             SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3085             if enabled x86_64; then
3086                 LIBTARGET=x64
3087             fi
3088         elif check_cmd $dlltool --version; then
3089             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3090         fi
3091         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3092         SLIB_INSTALL_LINKS=
3093         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3094         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3095         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3096         objformat="win32"
3097         ranlib=:
3098         enable dos_paths
3099         check_cflags -fno-common
3100         add_cppflags -U__STRICT_ANSI__
3101         ;;
3102     cygwin*)
3103         target_os=cygwin
3104         shlibdir_default="$bindir_default"
3105         SLIBPREF="cyg"
3106         SLIBSUF=".dll"
3107         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3108         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3109         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3110         SLIB_INSTALL_LINKS=
3111         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3112         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3113         objformat="win32"
3114         enable dos_paths
3115         check_cflags -fno-common
3116         add_cppflags -U__STRICT_ANSI__
3117         ;;
3118     *-dos|freedos|opendos)
3119         network_extralibs="-lsocket"
3120         objformat="coff"
3121         enable dos_paths
3122         add_cppflags -U__STRICT_ANSI__
3123         ;;
3124     linux)
3125         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3126         enable dv1394
3127         ;;
3128     irix*)
3129         target_os=irix
3130         ranlib="echo ignoring ranlib"
3131         ;;
3132     os/2*)
3133         strip="lxlite -CS"
3134         ln_s="cp -f"
3135         objformat="aout"
3136         add_cppflags -D_GNU_SOURCE
3137         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3138         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3139         FFSERVERLDFLAGS=""
3140         LIBSUF="_s.a"
3141         SLIBPREF=""
3142         SLIBSUF=".dll"
3143         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3144         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3145         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3146             echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3147             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3148             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3149             echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3150             emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3151         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3152             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3153         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3154         enable dos_paths
3155         enable_weak os2threads
3156         ;;
3157     gnu/kfreebsd)
3158         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
3159         ;;
3160     gnu)
3161         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3162         ;;
3163     qnx)
3164         add_cppflags -D_QNX_SOURCE
3165         network_extralibs="-lsocket"
3166         ;;
3167     symbian)
3168         SLIBSUF=".dll"
3169         enable dos_paths
3170         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3171         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3172         add_ldflags -Wl,--target1-abs,--no-undefined \
3173                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3174                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3175         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3176                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3177                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3178         ;;
3179     none)
3180         ;;
3181     *)
3182         die "Unknown OS '$target_os'."
3183         ;;
3184 esac
3185
3186 # determine libc flavour
3187
3188 if check_cpp_condition features.h "defined __UCLIBC__"; then
3189     libc_type=uclibc
3190 elif check_cpp_condition features.h "defined __GLIBC__"; then
3191     libc_type=glibc
3192 elif check_header _mingw.h; then
3193     libc_type=mingw
3194     check_cpp_condition _mingw.h \
3195         "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3196             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3197         die "ERROR: MinGW runtime version must be >= 3.15."
3198     if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3199             __MINGW64_VERSION_MAJOR < 3"; then
3200         enable broken_snprintf
3201         add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3202     fi
3203 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3204     libc_type=newlib
3205 elif check_func_headers stdlib.h _get_doserrno; then
3206     libc_type=msvcrt
3207     enable broken_snprintf
3208     add_cflags -Dstrtod=avpriv_strtod
3209     add_cflags -Dsnprintf=avpriv_snprintf   \
3210                -D_snprintf=avpriv_snprintf  \
3211                -Dvsnprintf=avpriv_vsnprintf
3212 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3213     libc_type=klibc
3214 fi
3215
3216 test -n "$libc_type" && enable $libc_type
3217
3218 esc(){
3219     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3220 }
3221
3222 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3223
3224 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3225
3226 set_default $PATHS_LIST
3227 set_default nm
3228
3229 # we need to build at least one lib type
3230 if ! enabled_any static shared; then
3231     cat <<EOF
3232 At least one library type must be built.
3233 Specify --enable-static to build the static libraries or --enable-shared to
3234 build the shared libraries as well. To only build the shared libraries specify
3235 --disable-static in addition to --enable-shared.
3236 EOF
3237     exit 1;
3238 fi
3239
3240 die_license_disabled() {
3241     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3242 }
3243
3244 die_license_disabled_gpl() {
3245     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3246 }
3247
3248 die_license_disabled gpl libcdio
3249 die_license_disabled gpl libutvideo
3250 die_license_disabled gpl libx264
3251 die_license_disabled gpl libxavs
3252 die_license_disabled gpl libxvid
3253 die_license_disabled gpl x11grab
3254
3255 die_license_disabled nonfree libaacplus
3256 die_license_disabled nonfree libfaac
3257 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3258 enabled gpl && die_license_disabled_gpl nonfree openssl
3259
3260 die_license_disabled version3 libopencore_amrnb
3261 die_license_disabled version3 libopencore_amrwb
3262 die_license_disabled version3 libvo_aacenc
3263 die_license_disabled version3 libvo_amrwbenc
3264
3265 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3266
3267 disabled optimizations || check_cflags -fomit-frame-pointer
3268
3269 enable_pic() {
3270     enable pic
3271     add_cppflags -DPIC
3272     add_cflags   -fPIC
3273     add_asflags  -fPIC
3274 }
3275
3276 enabled pic && enable_pic
3277
3278 check_cc <<EOF || die "Symbol mangling check failed."
3279 int ff_extern;
3280 EOF
3281 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3282 extern_prefix=${sym%%ff_extern*}
3283
3284 check_cc <<EOF && enable_weak inline_asm
3285 void foo(void) { __asm__ volatile ("" ::); }
3286 EOF
3287
3288 _restrict=
3289 for restrict_keyword in restrict __restrict__ __restrict; do
3290     check_cc <<EOF && _restrict=$restrict_keyword && break
3291 void foo(char * $restrict_keyword p);
3292 EOF
3293 done
3294
3295 check_cc <<EOF && enable attribute_packed
3296 struct { int x; } __attribute__((packed)) x;
3297 EOF
3298
3299 check_cc <<EOF && enable attribute_may_alias
3300 union { int x; } __attribute__((may_alias)) x;
3301 EOF
3302
3303 check_cc <<EOF || die "endian test failed"
3304 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3305 EOF
3306 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3307
3308 if enabled alpha; then
3309
3310     check_cflags -mieee
3311
3312 elif enabled arm; then
3313
3314     enabled thumb && check_cflags -mthumb || check_cflags -marm
3315     nogas=die
3316
3317     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3318         enable vfp_args
3319     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3320         case "${cross_prefix:-$cc}" in
3321             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
3322             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3323 __asm__ (".eabi_attribute 28, 1");
3324 int main(void) { return 0; }
3325 EOF
3326         esac
3327         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3328     fi
3329
3330     enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
3331     enabled armv6   && check_inline_asm armv6   '"sadd16 r0, r0, r0"'
3332     enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
3333     enabled armvfp  && check_inline_asm armvfp  '"fadds s0, s0, s0"'
3334     enabled neon    && check_inline_asm neon    '"vadd.i16 q0, q0, q0"'
3335     enabled vfpv3   && check_inline_asm vfpv3   '"vmov.f32 s0, #1.0"'
3336
3337     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3338     check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3339
3340     enabled_all armv6t2 shared !pic && enable_pic
3341
3342 elif enabled mips; then
3343
3344     check_inline_asm loongson '"dmult.g $1, $2, $3"'
3345     enabled mmi && check_inline_asm mmi '"lq $2, 0($2)"'
3346     enabled mips32r2  && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3347      check_inline_asm mips32r2  '"rotr $t0, $t1, 1"'
3348     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3349      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3350     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3351      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3352     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3353      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
3354
3355 elif enabled ppc; then
3356
3357     enable local_aligned_8 local_aligned_16
3358
3359     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3360     check_inline_asm ibm_asm   '"add 0, 0, 0"'
3361     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'
3362     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3363
3364     # AltiVec flags: The FSF version of GCC differs from the Apple version
3365     if enabled altivec; then
3366         nogas=warn
3367         check_cflags -maltivec -mabi=altivec &&
3368         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3369         check_cflags -faltivec
3370
3371         # check if our compiler supports Motorola AltiVec C API
3372         check_cc <<EOF || disable altivec
3373 $inc_altivec_h
3374 int main(void) {
3375     vector signed int v1 = (vector signed int) { 0 };
3376     vector signed int v2 = (vector signed int) { 1 };
3377     v1 = vec_add(v1, v2);
3378     return 0;
3379 }
3380 EOF
3381
3382         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3383     fi
3384
3385 elif enabled sparc; then
3386
3387     enabled vis &&
3388         check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3389             add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3390
3391 elif enabled x86; then
3392
3393     check_code ld immintrin.h "return __xgetbv(0)" "cc" && enable xgetbv
3394     check_code ld intrin.h "int info[4]; __cpuid(info, 0)" "cc" && enable cpuid
3395     check_code ld intrin.h "__rdtsc()" "cc" && enable rdtsc
3396     check_code ld intrin.h "unsigned int x = __readeflags()" "cc" && enable rweflags
3397
3398     check_code ld mmintrin.h "_mm_empty()" "cc" && enable mm_empty
3399
3400     enable local_aligned_8 local_aligned_16
3401
3402     # check whether EBP is available on x86
3403     # As 'i' is stored on the stack, this program will crash
3404     # if the base pointer is used to access it because the
3405     # base pointer is cleared in the inline assembly code.
3406     check_exec_crash <<EOF && enable ebp_available
3407 volatile int i=0;
3408 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3409 return i;
3410 EOF
3411
3412     # check whether EBX is available on x86
3413     check_inline_asm ebx_available '""::"b"(0)' &&
3414         check_inline_asm ebx_available '"":::"%ebx"'
3415
3416     # check whether xmm clobbers are supported
3417     check_inline_asm xmm_clobbers '"":::"%xmm0"'
3418
3419     # check whether binutils is new enough to compile SSSE3/MMXEXT
3420     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'
3421     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3422
3423     if ! disabled_any asm mmx yasm; then
3424         if check_cmd $yasmexe --version; then
3425             enabled x86_64 && yasm_extra="-m amd64"
3426             yasm_debug="-g dwarf2"
3427         elif check_cmd nasm -v; then
3428             yasmexe=nasm
3429             yasm_debug="-g -F dwarf"
3430             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3431         fi
3432
3433         YASMFLAGS="-f $objformat $yasm_extra"
3434         enabled pic               && append YASMFLAGS "-DPIC"
3435         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3436         case "$objformat" in
3437             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3438         esac
3439
3440         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3441             die "yasm not found, use --disable-yasm for a crippled build"
3442         check_yasm "vextractf128 xmm0, ymm0, 0"      || disable avx_external
3443         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3444         check_yasm "CPU amdnop" && enable cpunop
3445     fi
3446
3447     case "$cpu" in
3448         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3449             disable fast_clz
3450         ;;
3451     esac
3452
3453 fi
3454
3455 if enabled asm; then
3456     as=${gas:=$as}
3457     check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3458         $nogas "GNU assembler not found, install gas-preprocessor"
3459 fi
3460
3461 check_ldflags -Wl,--as-needed
3462
3463 if check_func dlopen; then
3464     ldl=
3465 elif check_func dlopen -ldl; then
3466     ldl=-ldl
3467 fi
3468
3469 if enabled network; then
3470     check_type "sys/types.h sys/socket.h" socklen_t
3471     check_type netdb.h "struct addrinfo"
3472     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3473     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3474     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3475     check_type netinet/in.h "struct sockaddr_in6"
3476     check_type poll.h "struct pollfd"
3477     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3478     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3479     check_type netinet/sctp.h "struct sctp_event_subscribe"
3480     check_func getaddrinfo $network_extralibs
3481     # Prefer arpa/inet.h over winsock2
3482     if check_header arpa/inet.h ; then
3483         check_func closesocket
3484     elif check_header winsock2.h ; then
3485         check_func_headers winsock2.h closesocket -lws2 &&
3486             network_extralibs="-lws2" ||
3487         { check_func_headers winsock2.h closesocket -lws2_32 &&
3488             network_extralibs="-lws2_32"; }
3489         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3490         check_type ws2tcpip.h socklen_t
3491         check_type ws2tcpip.h "struct addrinfo"
3492         check_type ws2tcpip.h "struct group_source_req"
3493         check_type ws2tcpip.h "struct ip_mreq_source"
3494         check_type ws2tcpip.h "struct ipv6_mreq"
3495         check_type winsock2.h "struct pollfd"
3496         check_type ws2tcpip.h "struct sockaddr_in6"
3497         check_type ws2tcpip.h "struct sockaddr_storage"
3498         check_struct winsock2.h "struct sockaddr" sa_len
3499     else
3500         disable network
3501     fi
3502 fi
3503
3504 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3505 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3506
3507 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3508 check_func  fcntl
3509 check_func  fork
3510 check_func  gethrtime
3511 check_func  getopt
3512 check_func  getrusage
3513 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3514 check_func  gettimeofday
3515 check_func  inet_aton $network_extralibs
3516 check_func  isatty
3517 check_func  localtime_r
3518 check_func  ${malloc_prefix}memalign            && enable memalign
3519 check_func  mkstemp
3520 check_func  mmap
3521 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3522 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
3523 check_func  setrlimit
3524 check_func  strerror_r
3525 check_func  sched_getaffinity
3526 check_func  sysconf
3527 check_func  sysctl
3528 check_func  usleep
3529 check_func_headers conio.h kbhit
3530 check_func_headers windows.h PeekNamedPipe
3531 check_func_headers io.h setmode
3532 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3533 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3534 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3535 check_func_headers windows.h GetProcessAffinityMask
3536 check_func_headers windows.h GetProcessTimes
3537 check_func_headers windows.h GetSystemTimeAsFileTime
3538 check_func_headers windows.h MapViewOfFile
3539 check_func_headers windows.h Sleep
3540 check_func_headers windows.h VirtualAlloc
3541 check_func_headers glob.h glob
3542
3543 check_header direct.h
3544 check_header dlfcn.h
3545 check_header dxva.h
3546 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3547 check_header io.h
3548 check_header libcrystalhd/libcrystalhd_if.h
3549 check_header malloc.h
3550 check_header poll.h
3551 check_header sys/mman.h
3552 check_header sys/param.h
3553 check_header sys/resource.h
3554 check_header sys/select.h
3555 check_header sys/time.h
3556 check_header termios.h
3557 check_header unistd.h
3558 check_header vdpau/vdpau.h
3559 check_header vdpau/vdpau_x11.h
3560 check_header windows.h
3561 check_header X11/extensions/XvMClib.h
3562 check_header asm/types.h
3563
3564 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3565 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3566
3567 # check for VDA header
3568 if ! disabled vda && ! enabled ppc; then
3569     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3570         enable vda
3571         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3572     fi
3573 fi
3574
3575 if ! disabled w32threads && ! enabled pthreads; then
3576     check_func _beginthreadex && enable w32threads
3577 fi
3578
3579 # check for some common methods of building with pthread support
3580 # do this before the optional library checks as some of them require pthreads
3581 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3582     enable pthreads
3583     if check_func pthread_create; then
3584         :
3585     elif check_func pthread_create -pthread; then
3586         add_cflags -pthread
3587         add_extralibs -pthread
3588     elif check_func pthread_create -pthreads; then
3589         add_cflags -pthreads
3590         add_extralibs -pthreads
3591     elif check_func pthread_create -lpthreadGC2; then
3592         add_extralibs -lpthreadGC2
3593     elif ! check_lib pthread.h pthread_create -lpthread; then
3594         disable pthreads
3595     fi
3596 fi
3597
3598 for thread in $THREADS_LIST; do
3599     if enabled $thread; then
3600         test -n "$thread_type" &&
3601             die "ERROR: Only one thread type must be selected." ||
3602             thread_type="$thread"
3603     fi
3604 done
3605
3606 if enabled pthreads; then
3607   check_func pthread_cancel
3608 fi
3609
3610 check_lib math.h sin -lm && LIBM="-lm"
3611 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3612 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3613
3614 check_mathfunc cbrtf
3615 check_mathfunc exp2
3616 check_mathfunc exp2f
3617 check_mathfunc isinf
3618 check_mathfunc isnan
3619 check_mathfunc llrint
3620 check_mathfunc llrintf
3621 check_mathfunc log2
3622 check_mathfunc log2f
3623 check_mathfunc lrint
3624 check_mathfunc lrintf
3625 check_mathfunc rint
3626 check_mathfunc round
3627 check_mathfunc roundf
3628 check_mathfunc trunc
3629 check_mathfunc truncf
3630
3631 # these are off by default, so fail if requested and not available
3632 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3633 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3634 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3635 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3636 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
3637 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3638 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3639 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3640 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3641                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3642                         die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
3643 enabled libcaca    && require_pkg_config caca caca.h caca_create_canvas
3644 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3645 enabled libfdk_aac && require  libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3646 flite_libs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
3647 enabled libflite   && require2 libflite "flite/flite.h" flite_init $flite_libs
3648 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3649 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3650 enabled libilbc    && require  libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3651 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3652 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3653 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3654 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3655 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3656 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3657 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3658 enabled libopus    && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3659 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3660 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3661 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3662 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3663 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3664     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3665     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3666 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3667 enabled libtwolame && require  libtwolame twolame.h twolame_init -ltwolame &&
3668                       { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
3669                         die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
3670 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3671 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3672 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3673 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3674 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3675 enabled libvpx     && {
3676     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3677                                 die "ERROR: libvpx decoder must be installed and version must be >=0.9.1"; }
3678     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
3679                                 die "ERROR: libvpx encoder version must be >=0.9.7"; } }
3680 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3681                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3682                         die "ERROR: libx264 must be installed and version must be >= 0.118."; }
3683 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3684 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3685 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3686                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3687                         die "ERROR: openal not found"; } &&
3688                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3689                         die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
3690 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3691                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3692                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3693                         die "ERROR: openssl not found"; }
3694
3695 if enabled gnutls; then
3696     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3697     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3698 fi
3699
3700 # libdc1394 check
3701 if enabled libdc1394; then
3702     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3703         enable libdc1394_2; } ||
3704     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3705         enable libdc1394_1; } ||
3706     die "ERROR: No version of libdc1394 found "
3707 fi
3708
3709 SDL_CONFIG="${cross_prefix}sdl-config"
3710 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3711     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3712     enable sdl &&
3713     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3714 else
3715   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3716     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3717     sdl_libs=$("${SDL_CONFIG}" --libs)
3718     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3719     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3720     enable sdl &&
3721     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3722   fi
3723 fi
3724 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3725
3726 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
3727 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3728 perl --version > /dev/null 2>&1 && enable perl || disable perl
3729 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
3730
3731 check_header linux/fb.h
3732 check_header linux/videodev.h
3733 check_header linux/videodev2.h
3734 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3735
3736 check_header sys/videoio.h
3737
3738 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3739 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3740 # w32api 3.12 had it defined wrong
3741 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3742
3743 check_type "dshow.h" IBaseFilter
3744
3745 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3746 { check_header dev/bktr/ioctl_meteor.h &&
3747   check_header dev/bktr/ioctl_bt848.h; } ||
3748 { check_header machine/ioctl_meteor.h &&
3749   check_header machine/ioctl_bt848.h; } ||
3750 { check_header dev/video/meteor/ioctl_meteor.h &&
3751   check_header dev/video/bktr/ioctl_bt848.h; } ||
3752 check_header dev/ic/bt8xx.h
3753
3754 check_header sndio.h
3755 if check_struct sys/soundcard.h audio_buf_info bytes; then
3756     enable_safe sys/soundcard.h
3757 else
3758     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3759     #include <sys/soundcard.h>
3760     audio_buf_info abc;
3761 EOF
3762 fi
3763 check_header soundcard.h
3764
3765 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3766
3767 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
3768     check_func jack_port_get_latency_range -ljack
3769
3770 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3771
3772 enabled libcdio &&
3773     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3774
3775 enabled x11grab                                           &&
3776 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3777 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3778 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3779
3780 if ! disabled vaapi; then
3781     check_lib va/va.h vaInitialize -lva && {
3782         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3783         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3784     } || disable vaapi
3785 fi
3786
3787 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3788     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3789         { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." && disable vdpau; }
3790 fi
3791
3792 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3793 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3794 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"
3795
3796 # add some useful compiler flags if supported
3797 check_cflags -Wdeclaration-after-statement
3798 check_cflags -Wall
3799 check_cflags -Wno-parentheses
3800 check_cflags -Wno-switch
3801 check_cflags -Wno-format-zero-length
3802 check_cflags -Wdisabled-optimization
3803 check_cflags -Wpointer-arith
3804 check_cflags -Wredundant-decls
3805 check_cflags -Wno-pointer-sign
3806 check_cflags -Wwrite-strings
3807 check_cflags -Wtype-limits
3808 check_cflags -Wundef
3809 check_cflags -Wmissing-prototypes
3810 check_cflags -Wno-pointer-to-int-cast
3811 check_cflags -Wstrict-prototypes
3812 enabled extra_warnings && check_cflags -Winline
3813
3814 # add some linker flags
3815 check_ldflags -Wl,--warn-common
3816 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3817 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3818
3819 enabled xmm_clobber_test &&
3820     check_ldflags -Wl,--wrap,avcodec_open2              \
3821                   -Wl,--wrap,avcodec_decode_audio4      \
3822                   -Wl,--wrap,avcodec_decode_video2      \
3823                   -Wl,--wrap,avcodec_decode_subtitle2   \
3824                   -Wl,--wrap,avcodec_encode_audio2      \
3825                   -Wl,--wrap,avcodec_encode_video       \
3826                   -Wl,--wrap,avcodec_encode_subtitle    \
3827                   -Wl,--wrap,sws_scale ||
3828     disable xmm_clobber_test
3829
3830 echo "X{};" > $TMPV
3831 if test_ldflags -Wl,--version-script,$TMPV; then
3832     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3833     check_cc <<EOF && enable symver_asm_label
3834 void ff_foo(void) __asm__ ("av_foo@VERSION");
3835 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3836 EOF
3837     check_cc <<EOF && enable symver_gnu_asm
3838 __asm__(".symver ff_foo,av_foo@VERSION");
3839 void ff_foo(void) {}
3840 EOF
3841 fi
3842
3843 if [ -n "$optflags" ]; then
3844     add_cflags $optflags
3845 elif enabled small; then
3846     add_cflags $cflags_size
3847 elif enabled optimizations; then
3848     add_cflags $cflags_speed
3849 else
3850     add_cflags $cflags_noopt
3851 fi
3852 check_cflags -fno-math-errno
3853 check_cflags -fno-signed-zeros
3854 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3855 int x;
3856 EOF
3857
3858
3859 if enabled icc; then
3860     # Just warnings, no remarks
3861     check_cflags -w1
3862     # -wd: Disable following warnings
3863     # 144, 167, 556: -Wno-pointer-sign
3864     # 1292: attribute "foo" ignored
3865     # 1419: external declaration in primary source file
3866     # 10006: ignoring unknown option -fno-signed-zeros
3867     # 10148: ignoring unknown option -Wno-parentheses
3868     # 10156: ignoring option '-W'; no argument required
3869     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3870     # 11030: Warning unknown option --as-needed
3871     # 10156: ignoring option '-export'; no argument required
3872     check_ldflags -wd10156,11030
3873     # Allow to compile with optimizations
3874     check_ldflags -march=$cpu
3875     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3876     enable ebp_available
3877     if enabled x86_32; then
3878         icc_version=$($cc -dumpversion)
3879         test ${icc_version%%.*} -ge 11 &&
3880             check_cflags -falign-stack=maintain-16-byte ||
3881             disable aligned_stack
3882     fi
3883 elif enabled ccc; then
3884     # disable some annoying warnings
3885     add_cflags -msg_disable cvtu32to64
3886     add_cflags -msg_disable embedcomment
3887     add_cflags -msg_disable needconstext
3888     add_cflags -msg_disable nomainieee
3889     add_cflags -msg_disable ptrmismatch1
3890     add_cflags -msg_disable unreachcode
3891 elif enabled gcc; then
3892     check_cflags -fno-tree-vectorize
3893     check_cflags -Werror=implicit-function-declaration
3894     check_cflags -Werror=missing-prototypes
3895 elif enabled llvm_gcc; then
3896     check_cflags -mllvm -stack-alignment=16
3897 elif enabled clang; then
3898     check_cflags -mllvm -stack-alignment=16
3899     check_cflags -Qunused-arguments
3900 elif enabled armcc; then
3901     # 2523: use of inline assembler is deprecated
3902     add_cflags -W${armcc_opt},--diag_suppress=2523
3903     add_cflags -W${armcc_opt},--diag_suppress=1207
3904     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3905     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3906     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3907     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3908 elif enabled tms470; then
3909     add_cflags -pds=824 -pds=837
3910 elif enabled pathscale; then
3911     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3912 elif enabled msvc; then
3913     enabled x86_32 && disable aligned_stack
3914 fi
3915
3916 enabled_any $THREADS_LIST      && enable threads
3917
3918 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3919
3920 check_deps $CONFIG_LIST       \
3921            $CONFIG_EXTRA      \
3922            $HAVE_LIST         \
3923            $ALL_COMPONENTS    \
3924            $ALL_TESTS         \
3925
3926
3927 if test $target_os = "haiku"; then
3928     disable memalign
3929     disable posix_memalign
3930 fi
3931
3932 ! enabled_any memalign posix_memalign aligned_malloc &&
3933     enabled_any $need_memalign && enable memalign_hack
3934
3935 # add_dep lib dep
3936 # -> enable ${lib}_deps_${dep}
3937 # -> add $dep to ${lib}_deps only once
3938 add_dep() {
3939     lib=$1
3940     dep=$2
3941     enabled "${lib}_deps_${dep}" && return 0
3942     enable  "${lib}_deps_${dep}"
3943     prepend "${lib}_deps" $dep
3944 }
3945
3946 # merge deps lib components
3947 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3948 merge_deps() {
3949     lib=$1
3950     shift
3951     for comp in $*; do
3952         enabled $comp || continue
3953         eval "dep=\"\$${comp}_deps\""
3954         for d in $dep; do
3955             add_dep $lib $d
3956         done
3957     done
3958 }
3959
3960 merge_deps libavfilter $FILTER_LIST
3961
3962 echo "install prefix            $prefix"
3963 echo "source path               $source_path"
3964 echo "C compiler                $cc"
3965 echo "ARCH                      $arch ($cpu)"
3966 if test "$build_suffix" != ""; then
3967     echo "build suffix              $build_suffix"
3968 fi
3969 if test "$progs_suffix" != ""; then
3970     echo "progs suffix              $progs_suffix"
3971 fi
3972 if test "$extra_version" != ""; then
3973     echo "version string suffix     $extra_version"
3974 fi
3975 echo "big-endian                ${bigendian-no}"
3976 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3977 if enabled x86; then
3978     echo "${yasmexe}                      ${yasm-no}"
3979     echo "MMX enabled               ${mmx-no}"
3980     echo "MMXEXT enabled            ${mmxext-no}"
3981     echo "3DNow! enabled            ${amd3dnow-no}"
3982     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3983     echo "SSE enabled               ${sse-no}"
3984     echo "SSSE3 enabled             ${ssse3-no}"
3985     echo "AVX enabled               ${avx-no}"
3986     echo "FMA4 enabled              ${fma4-no}"
3987     echo "CMOV enabled              ${cmov-no}"
3988     echo "CMOV is fast              ${fast_cmov-no}"
3989     echo "EBX available             ${ebx_available-no}"
3990     echo "EBP available             ${ebp_available-no}"
3991 fi
3992 if enabled arm; then
3993     echo "ARMv5TE enabled           ${armv5te-no}"
3994     echo "ARMv6 enabled             ${armv6-no}"
3995     echo "ARMv6T2 enabled           ${armv6t2-no}"
3996     echo "ARM VFP enabled           ${armvfp-no}"
3997     echo "NEON enabled              ${neon-no}"
3998 fi
3999 if enabled mips; then
4000     echo "MMI enabled               ${mmi-no}"
4001     echo "MIPS FPU enabled          ${mipsfpu-no}"
4002     echo "MIPS32R2 enabled          ${mips32r2-no}"
4003     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
4004     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
4005 fi
4006 if enabled ppc; then
4007     echo "AltiVec enabled           ${altivec-no}"
4008     echo "PPC 4xx optimizations     ${ppc4xx-no}"
4009     echo "dcbzl available           ${dcbzl-no}"
4010 fi
4011 if enabled sparc; then
4012     echo "VIS enabled               ${vis-no}"
4013 fi
4014 echo "debug symbols             ${debug-no}"
4015 echo "strip symbols             ${stripping-no}"
4016 echo "optimize for size         ${small-no}"
4017 echo "optimizations             ${optimizations-no}"
4018 echo "static                    ${static-no}"
4019 echo "shared                    ${shared-no}"
4020 echo "postprocessing support    ${postproc-no}"
4021 echo "new filter support        ${avfilter-no}"
4022 echo "network support           ${network-no}"
4023 echo "threading support         ${thread_type-no}"
4024 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
4025 echo "SDL support               ${sdl-no}"
4026 echo "libdxva2 enabled          ${dxva2-no}"
4027 echo "libva enabled             ${vaapi-no}"
4028 echo "libvdpau enabled          ${vdpau-no}"
4029 echo "AVISynth enabled          ${avisynth-no}"
4030 echo "frei0r enabled            ${frei0r-no}"
4031 echo "gnutls enabled            ${gnutls-no}"
4032 echo "libaacplus enabled        ${libaacplus-no}"
4033 echo "libass enabled            ${libass-no}"
4034 echo "libcaca enabled           ${libcaca-no}"
4035 echo "libcdio support           ${libcdio-no}"
4036 echo "libcelt enabled           ${libcelt-no}"
4037 echo "libdc1394 support         ${libdc1394-no}"
4038 echo "libfaac enabled           ${libfaac-no}"
4039 echo "libfdk-aac enabled        ${libfdk_aac-no}"
4040 echo "libgsm enabled            ${libgsm-no}"
4041 echo "libiec61883 support       ${libiec61883-no}"
4042 echo "libilbc enabled           ${libilbc-no}"
4043 echo "libmodplug enabled        ${libmodplug-no}"
4044 echo "libmp3lame enabled        ${libmp3lame-no}"
4045 echo "libnut enabled            ${libnut-no}"
4046 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
4047 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
4048 echo "libopencv support         ${libopencv-no}"
4049 echo "libopenjpeg enabled       ${libopenjpeg-no}"
4050 echo "libopus enabled           ${libopus-no}"
4051 echo "libpulse enabled          ${libpulse-no}"
4052 echo "librtmp enabled           ${librtmp-no}"
4053 echo "libschroedinger enabled   ${libschroedinger-no}"
4054 echo "libspeex enabled          ${libspeex-no}"
4055 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
4056 echo "libtheora enabled         ${libtheora-no}"
4057 echo "libtwolame enabled        ${libtwolame-no}"
4058 echo "libutvideo enabled        ${libutvideo-no}"
4059 echo "libv4l2 enabled           ${libv4l2-no}"
4060 echo "libvo-aacenc support      ${libvo_aacenc-no}"
4061 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
4062 echo "libvorbis enabled         ${libvorbis-no}"
4063 echo "libvpx enabled            ${libvpx-no}"
4064 echo "libx264 enabled           ${libx264-no}"
4065 echo "libxavs enabled           ${libxavs-no}"
4066 echo "libxvid enabled           ${libxvid-no}"
4067 echo "openal enabled            ${openal-no}"
4068 echo "openssl enabled           ${openssl-no}"
4069 echo "zlib enabled              ${zlib-no}"
4070 echo "bzlib enabled             ${bzlib-no}"
4071 echo "texi2html enabled         ${texi2html-no}"
4072 echo "perl enabled              ${perl-no}"
4073 echo "pod2man enabled           ${pod2man-no}"
4074 echo "makeinfo enabled          ${makeinfo-no}"
4075 test -n "$random_seed" &&
4076     echo "random seed               ${random_seed}"
4077 echo
4078
4079 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4080     echo "Enabled ${type}s:"
4081     eval list=\$$(toupper $type)_LIST
4082     print_enabled '_*' $list | sort | pr -r -3 -t
4083     echo
4084 done
4085
4086 license="LGPL version 2.1 or later"
4087 if enabled nonfree; then
4088     license="nonfree and unredistributable"
4089 elif enabled gplv3; then
4090     license="GPL version 3 or later"
4091 elif enabled lgplv3; then
4092     license="LGPL version 3 or later"
4093 elif enabled gpl; then
4094     license="GPL version 2 or later"
4095 fi
4096
4097 echo "License: $license"
4098
4099 echo "Creating config.mak and config.h..."
4100
4101 test -e Makefile || $ln_s "$source_path/Makefile" .
4102
4103 enabled stripping || strip="echo skipping strip"
4104
4105 config_files="$TMPH config.mak"
4106
4107 cat > config.mak <<EOF
4108 # Automatically generated by configure - do not modify!
4109 ifndef FFMPEG_CONFIG_MAK
4110 FFMPEG_CONFIG_MAK=1
4111 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4112 prefix=$prefix
4113 LIBDIR=\$(DESTDIR)$libdir
4114 SHLIBDIR=\$(DESTDIR)$shlibdir
4115 INCDIR=\$(DESTDIR)$incdir
4116 BINDIR=\$(DESTDIR)$bindir
4117 DATADIR=\$(DESTDIR)$datadir
4118 MANDIR=\$(DESTDIR)$mandir
4119 SRC_PATH=$source_path
4120 ifndef MAIN_MAKEFILE
4121 SRC_PATH:=\$(SRC_PATH:.%=..%)
4122 endif
4123 CC_IDENT=$cc_ident
4124 ARCH=$arch
4125 CC=$cc
4126 CXX=$cxx
4127 AS=$as
4128 LD=$ld
4129 DEPCC=$dep_cc
4130 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4131 DEPAS=$as
4132 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4133 YASM=$yasmexe
4134 DEPYASM=$yasmexe
4135 AR=$ar
4136 ARFLAGS=$arflags
4137 AR_O=$ar_o
4138 RANLIB=$ranlib
4139 CP=cp -p
4140 LN_S=$ln_s
4141 STRIP=$strip
4142 CPPFLAGS=$CPPFLAGS
4143 CFLAGS=$CFLAGS
4144 CXXFLAGS=$CXXFLAGS
4145 ASFLAGS=$ASFLAGS
4146 AS_C=$AS_C
4147 AS_O=$AS_O
4148 CC_C=$CC_C
4149 CC_O=$CC_O
4150 CXX_C=$CXX_C
4151 CXX_O=$CXX_O
4152 LD_O=$LD_O
4153 LD_LIB=$LD_LIB
4154 LD_PATH=$LD_PATH
4155 DLLTOOL=$dlltool
4156 LDFLAGS=$LDFLAGS
4157 LDFLAGS-ffserver=$FFSERVERLDFLAGS
4158 SHFLAGS=$SHFLAGS
4159 YASMFLAGS=$YASMFLAGS
4160 BUILDSUF=$build_suffix
4161 PROGSSUF=$progs_suffix
4162 FULLNAME=$FULLNAME
4163 LIBPREF=$LIBPREF
4164 LIBSUF=$LIBSUF
4165 LIBNAME=$LIBNAME
4166 SLIBPREF=$SLIBPREF
4167 SLIBSUF=$SLIBSUF
4168 EXESUF=$EXESUF
4169 EXTRA_VERSION=$extra_version
4170 CCDEP=$CCDEP
4171 CXXDEP=$CXXDEP
4172 CCDEP_FLAGS=$CCDEP_FLAGS
4173 ASDEP=$ASDEP
4174 ASDEP_FLAGS=$ASDEP_FLAGS
4175 CC_DEPFLAGS=$CC_DEPFLAGS
4176 AS_DEPFLAGS=$AS_DEPFLAGS
4177 HOSTCC=$host_cc
4178 HOSTLD=$host_ld
4179 HOSTCFLAGS=$host_cflags
4180 HOSTEXESUF=$HOSTEXESUF
4181 HOSTLDFLAGS=$host_ldflags
4182 HOSTLIBS=$host_libs
4183 DEPHOSTCC=$host_cc
4184 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4185 HOSTCCDEP=$HOSTCCDEP
4186 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4187 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4188 HOSTCC_C=$HOSTCC_C
4189 HOSTCC_O=$HOSTCC_O
4190 HOSTLD_O=$HOSTLD_O
4191 TARGET_EXEC=$target_exec
4192 TARGET_PATH=$target_path
4193 LIBS-ffplay=$sdl_libs
4194 CFLAGS-ffplay=$sdl_cflags
4195 ZLIB=$($ldflags_filter -lz)
4196 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4197 EXTRALIBS=$extralibs
4198 INSTALL=$install
4199 LIBTARGET=${LIBTARGET}
4200 SLIBNAME=${SLIBNAME}
4201 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4202 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4203 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4204 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4205 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4206 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4207 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4208 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4209 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4210 NOREDZONE_FLAGS=$noredzone_flags
4211 EOF
4212
4213 get_version(){
4214     lcname=$1
4215     name=$(toupper $lcname)
4216     file=$source_path/$lcname/version.h
4217     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4218     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4219     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4220     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4221 }
4222
4223 get_version_old(){
4224     name=$1
4225     file=$source_path/$2
4226 # This condition will be removed when we stop supporting old libpostproc versions
4227 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
4228     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4229     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4230 fi
4231     lcname=$(tolower $name)
4232     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4233     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4234 }
4235
4236 get_version_old LIBPOSTPROC libpostproc/postprocess.h
4237 get_version_old LIBSWRESAMPLE libswresample/swresample.h
4238
4239 get_version libavcodec
4240 get_version libavdevice
4241 get_version libavfilter
4242 get_version libavformat
4243 get_version libavresample
4244 get_version libavutil
4245 get_version libswscale
4246
4247 cat > $TMPH <<EOF
4248 /* Automatically generated by configure - do not modify! */
4249 #ifndef FFMPEG_CONFIG_H
4250 #define FFMPEG_CONFIG_H
4251 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4252 #define FFMPEG_LICENSE "$(c_escape $license)"
4253 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4254 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4255 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4256 #define av_restrict $_restrict
4257 #define EXTERN_PREFIX "${extern_prefix}"
4258 #define EXTERN_ASM ${extern_prefix}
4259 #define SLIBSUF "$SLIBSUF"
4260 #define HAVE_MMX2 HAVE_MMXEXT
4261 EOF
4262
4263 test -n "$assert_level" &&
4264     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4265
4266 test -n "$malloc_prefix" &&
4267     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4268
4269 if enabled yasm; then
4270     append config_files $TMPASM
4271     printf '' >$TMPASM
4272 fi
4273
4274 print_config ARCH_   "$config_files" $ARCH_LIST
4275 print_config HAVE_   "$config_files" $HAVE_LIST
4276 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
4277                                      $CONFIG_EXTRA      \
4278                                      $ALL_COMPONENTS    \
4279
4280 cat >>config.mak <<EOF
4281 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
4282 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
4283 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
4284 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
4285 EOF
4286
4287 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4288 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4289
4290 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4291 cp_if_changed $TMPH config.h
4292 touch .config
4293
4294 enabled yasm && cp_if_changed $TMPASM config.asm
4295
4296 cat > $TMPH <<EOF
4297 /* Generated by ffconf */
4298 #ifndef AVUTIL_AVCONFIG_H
4299 #define AVUTIL_AVCONFIG_H
4300 EOF
4301
4302 test "$postproc_version" != current && cat >> $TMPH <<EOF
4303 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
4304 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
4305 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
4306 EOF
4307
4308 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4309
4310 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4311
4312 cp_if_changed $TMPH libavutil/avconfig.h
4313
4314 test -n "$WARNINGS" && printf "\n$WARNINGS"
4315
4316 # build pkg-config files
4317
4318 pkgconfig_generate(){
4319     name=$1
4320     shortname=${name#lib}${build_suffix}
4321     comment=$2
4322     version=$3
4323     libs=$4
4324     requires=$5
4325     enabled ${name#lib} || return 0
4326     mkdir -p $name
4327     cat <<EOF > $name/$name.pc
4328 prefix=$prefix
4329 exec_prefix=\${prefix}
4330 libdir=$libdir
4331 includedir=$incdir
4332
4333 Name: $name
4334 Description: $comment
4335 Version: $version
4336 Requires: $(enabled shared || echo $requires)
4337 Requires.private: $(enabled shared && echo $requires)
4338 Conflicts:
4339 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4340 Libs.private: $(enabled shared && echo $libs)
4341 Cflags: -I\${includedir}
4342 EOF
4343
4344 mkdir -p doc/examples/pc-uninstalled
4345 includedir=${source_path}
4346 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4347     cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4348 prefix=
4349 exec_prefix=
4350 libdir=\${pcfiledir}/../../../$name
4351 includedir=${includedir}
4352
4353 Name: $name
4354 Description: $comment
4355 Version: $version
4356 Requires: $requires
4357 Conflicts:
4358 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4359 Cflags: -I\${includedir}
4360 EOF
4361 }
4362
4363 libavfilter_pc_deps=""
4364 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
4365 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
4366 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
4367 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
4368 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
4369 libavfilter_pc_deps=${libavfilter_pc_deps%, }
4370
4371 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
4372 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
4373
4374 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4375 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
4376 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
4377 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
4378 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
4379 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
4380 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
4381 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4382 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4383
4384 fix_ffmpeg_remote(){
4385     git_remote_from=$1
4386     git_remote_to=$2
4387     fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
4388     if [ "$fixme_remote" != "" ]; then
4389         echolog "
4390 Outdated domain in git config, the official domain for ffmpeg git is since
4391 November 2011, source.ffmpeg.org, both the old and the new point to the same
4392 repository and server. To update it enter the following commands:
4393 "
4394         for remote in $fixme_remote; do
4395             echolog "git remote set-url $remote $git_remote_to"
4396         done
4397     fi
4398 }
4399
4400 if test -f "$source_path/.git/config"; then
4401     remote_from=git.videolan.org
4402     remote_to=source.ffmpeg.org
4403     fix_ffmpeg_remote git@$remote_from:ffmpeg   git@$remote_to:ffmpeg
4404     fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg
4405 fi