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

   1 #!/bin/sh
   2 #
   3 # FFmpeg configure script
   4 #
   5 # Copyright (c) 2000-2002 Fabrice Bellard
   6 # Copyright (c) 2005-2008 Diego Biurrun
   7 # Copyright (c) 2005-2008 Mans Rullgard
   8 #
   9
  10 # Prevent locale nonsense from breaking basic text processing.
  11 LC_ALL=C
  12 export LC_ALL
  13
  14 # make sure we are running under a compatible shell
  15 # try to make this part work with most shells
  16
  17 try_exec(){
  18     echo "Trying shell $1"
  19     type "$1" > /dev/null 2>&1 && exec "$@"
  20 }
  21
  22 unset foo
  23 (: ${foo%%bar}) 2> /dev/null
  24 E1="$?"
  25
  26 (: ${foo?}) 2> /dev/null
  27 E2="$?"
  28
  29 if test "$E1" != 0 || test "$E2" = 0; then
  30     echo "Broken shell detected.  Trying alternatives."
  31     export FF_CONF_EXEC
  32     if test "0$FF_CONF_EXEC" -lt 1; then
  33         FF_CONF_EXEC=1
  34         try_exec bash "$0" "$@"
  35     fi
  36     if test "0$FF_CONF_EXEC" -lt 2; then
  37         FF_CONF_EXEC=2
  38         try_exec ksh "$0" "$@"
  39     fi
  40     if test "0$FF_CONF_EXEC" -lt 3; then
  41         FF_CONF_EXEC=3
  42         try_exec /usr/xpg4/bin/sh "$0" "$@"
  43     fi
  44     echo "No compatible shell script interpreter found."
  45     echo "This configure script requires a POSIX-compatible shell"
  46     echo "such as bash or ksh."
  47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  48     echo "Instead, install a working POSIX-compatible shell."
  49     echo "Disabling this configure test will create a broken FFmpeg."
  50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  51         echo "This bash version ($BASH_VERSION) is broken on your platform."
  52         echo "Upgrade to a later version if available."
  53     fi
  54     exit 1
  55 fi
  56
  57 show_help(){
  58     cat <<EOF
  59 Usage: configure [options]
  60 Options: [defaults in brackets after descriptions]
  61
  62 Help options:
  63   --help                   print this message
  64   --list-decoders          show all available decoders
  65   --list-encoders          show all available encoders
  66   --list-hwaccels          show all available hardware accelerators
  67   --list-demuxers          show all available demuxers
  68   --list-muxers            show all available muxers
  69   --list-parsers           show all available parsers
  70   --list-protocols         show all available protocols
  71   --list-bsfs              show all available bitstream filters
  72   --list-indevs            show all available input devices
  73   --list-outdevs           show all available output devices
  74   --list-filters           show all available filters
  75
  76 Standard options:
  77   --logfile=FILE           log tests and output to FILE [config.log]
  78   --disable-logging        do not log configure debug information
  79   --prefix=PREFIX          install in PREFIX [$prefix]
  80   --bindir=DIR             install binaries in DIR [PREFIX/bin]
  81   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
  82   --libdir=DIR             install libs in DIR [PREFIX/lib]
  83   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
  84   --incdir=DIR             install includes in DIR [PREFIX/include]
  85   --mandir=DIR             install man page in DIR [PREFIX/share/man]
  86
  87 Licensing options:
  88   --enable-gpl             allow use of GPL code, the resulting libs
  89                            and binaries will be under GPL [no]
  90   --enable-version3        upgrade (L)GPL to version 3 [no]
  91   --enable-nonfree         allow use of nonfree code, the resulting libs
  92                            and binaries will be unredistributable [no]
  93
  94 Configuration options:
  95   --disable-static         do not build static libraries [no]
  96   --enable-shared          build shared libraries [no]
  97   --enable-small           optimize for size instead of speed
  98   --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   --enable-lto             use link-time optimization
 272
 273 Optimization options (experts only):
 274   --disable-asm            disable all assembler optimizations
 275   --disable-altivec        disable AltiVec optimizations
 276   --disable-amd3dnow       disable 3DNow! optimizations
 277   --disable-amd3dnowext    disable 3DNow! extended optimizations
 278   --disable-mmx            disable MMX optimizations
 279   --disable-mmxext         disable MMXEXT optimizations
 280   --disable-sse            disable SSE optimizations
 281   --disable-sse2           disable SSE2 optimizations
 282   --disable-sse3           disable SSE3 optimizations
 283   --disable-ssse3          disable SSSE3 optimizations
 284   --disable-sse4           disable SSE4 optimizations
 285   --disable-sse42          disable SSE4.2 optimizations
 286   --disable-avx            disable AVX optimizations
 287   --disable-fma4           disable FMA4 optimizations
 288   --disable-armv5te        disable armv5te optimizations
 289   --disable-armv6          disable armv6 optimizations
 290   --disable-armv6t2        disable armv6t2 optimizations
 291   --disable-armvfp         disable ARM VFP optimizations
 292   --disable-mmi            disable MMI optimizations
 293   --disable-neon           disable NEON optimizations
 294   --disable-vis            disable VIS optimizations
 295   --disable-inline-asm     disable use of inline assembler
 296   --disable-yasm           disable use of yasm assembler
 297   --disable-mips32r2       disable MIPS32R2 optimizations
 298   --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations
 299   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
 300   --disable-mipsfpu        disable floating point MIPS optimizations
 301   --disable-fast-unaligned consider unaligned accesses slow
 302   --postproc-version=V     build libpostproc version V.
 303                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
 304
 305 Developer options (useful when working on FFmpeg itself):
 306   --enable-coverage        build with test coverage instrumentation
 307   --disable-debug          disable debugging symbols
 308   --enable-debug=LEVEL     set the debug level [$debuglevel]
 309   --disable-optimizations  disable compiler optimizations
 310   --enable-extra-warnings  enable more compiler warnings
 311   --disable-stripping      disable stripping of executables and shared libraries
 312   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
 313                            2 causes a slowdown at runtime.
 314   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
 315   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
 316                            leaks and errors, using the specified valgrind binary.
 317                            Cannot be combined with --target-exec
 318   --enable-ftrapv          Trap arithmetic overflows
 319   --samples=PATH           location of test samples for FATE, if not set use
 320                            \$FATE_SAMPLES at make invocation time.
 321   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
 322                            should be used only for debugging purposes)
 323   --enable-random          randomly enable/disable components
 324   --disable-random
 325   --enable-random=LIST     randomly enable/disable specific components or
 326   --disable-random=LIST    component groups. LIST is a comma-separated list
 327                            of NAME[:PROB] entries where NAME is a component
 328                            (group) and PROB the probability associated with
 329                            NAME (default 0.5).
 330   --random-seed=VALUE      seed value for --enable/disable-random
 331
 332 NOTE: Object files are built at the place where configure is launched.
 333 EOF
 334   exit 0
 335 }
 336
 337 quotes='""'
 338
 339 log(){
 340     echo "$@" >> $logfile
 341 }
 342
 343 log_file(){
 344     log BEGIN $1
 345     pr -n -t $1 >> $logfile
 346     log END $1
 347 }
 348
 349 echolog(){
 350     log "$@"
 351     echo "$@"
 352 }
 353
 354 warn(){
 355     log "WARNING: $*"
 356     WARNINGS="${WARNINGS}WARNING: $*\n"
 357 }
 358
 359 die(){
 360     echolog "$@"
 361     cat <<EOF
 362
 363 If you think configure made a mistake, make sure you are using the latest
 364 version from Git.  If the latest version fails, report the problem to the
 365 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 366 EOF
 367     if disabled logging; then
 368         cat <<EOF
 369 Rerun configure with logging enabled (do not use --disable-logging), and
 370 include the log this produces with your report.
 371 EOF
 372     else
 373         cat <<EOF
 374 Include the log file "$logfile" produced by configure as this will help
 375 solving the problem.
 376 EOF
 377     fi
 378     exit 1
 379 }
 380
 381 # Avoid locale weirdness, besides we really just want to translate ASCII.
 382 toupper(){
 383     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 384 }
 385
 386 tolower(){
 387     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 388 }
 389
 390 c_escape(){
 391     echo "$*" | sed 's/["\\]/\\\0/g'
 392 }
 393
 394 sh_quote(){
 395     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 396     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 397     echo "$v"
 398 }
 399
 400 cleanws(){
 401     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 402 }
 403
 404 filter(){
 405     pat=$1
 406     shift
 407     for v; do
 408         eval "case $v in $pat) echo $v ;; esac"
 409     done
 410 }
 411
 412 filter_out(){
 413     pat=$1
 414     shift
 415     for v; do
 416         eval "case $v in $pat) ;; *) echo $v ;; esac"
 417     done
 418 }
 419
 420 map(){
 421     m=$1
 422     shift
 423     for v; do eval $m; done
 424 }
 425
 426 add_suffix(){
 427     suffix=$1
 428     shift
 429     for v; do echo ${v}${suffix}; done
 430 }
 431
 432 set_all(){
 433     value=$1
 434     shift
 435     for var in $*; do
 436         eval $var=$value
 437     done
 438 }
 439
 440 set_weak(){
 441     value=$1
 442     shift
 443     for var; do
 444         eval : \${$var:=$value}
 445     done
 446 }
 447
 448 set_safe(){
 449     var=$1
 450     shift
 451     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 452 }
 453
 454 get_safe(){
 455     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 456 }
 457
 458 pushvar(){
 459     for var in $*; do
 460         eval level=\${${var}_level:=0}
 461         eval ${var}_${level}="\$$var"
 462         eval ${var}_level=$(($level+1))
 463     done
 464 }
 465
 466 popvar(){
 467     for var in $*; do
 468         eval level=\${${var}_level:-0}
 469         test $level = 0 && continue
 470         eval level=$(($level-1))
 471         eval $var="\${${var}_${level}}"
 472         eval ${var}_level=$level
 473         eval unset ${var}_${level}
 474     done
 475 }
 476
 477 enable(){
 478     set_all yes $*
 479 }
 480
 481 disable(){
 482     set_all no $*
 483 }
 484
 485 enable_weak(){
 486     set_weak yes $*
 487 }
 488
 489 disable_weak(){
 490     set_weak no $*
 491 }
 492
 493 enable_safe(){
 494     for var; do
 495         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 496     done
 497 }
 498
 499 disable_safe(){
 500     for var; do
 501         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 502     done
 503 }
 504
 505 do_enable_deep(){
 506     for var; do
 507         enabled $var && continue
 508         eval sel="\$${var}_select"
 509         eval sgs="\$${var}_suggest"
 510         pushvar var sgs
 511         enable_deep $sel
 512         popvar sgs
 513         enable_deep_weak $sgs
 514         popvar var
 515     done
 516 }
 517
 518 enable_deep(){
 519     do_enable_deep $*
 520     enable $*
 521 }
 522
 523 enable_deep_weak(){
 524     do_enable_deep $*
 525     enable_weak $*
 526 }
 527
 528 enabled(){
 529     test "${1#!}" = "$1" && op== || op=!=
 530     eval test "x\$${1#!}" $op "xyes"
 531 }
 532
 533 disabled(){
 534     test "${1#!}" = "$1" && op== || op=!=
 535     eval test "x\$${1#!}" $op "xno"
 536 }
 537
 538 enabled_all(){
 539     for opt; do
 540         enabled $opt || return 1
 541     done
 542 }
 543
 544 disabled_all(){
 545     for opt; do
 546         disabled $opt || return 1
 547     done
 548 }
 549
 550 enabled_any(){
 551     for opt; do
 552         enabled $opt && return 0
 553     done
 554 }
 555
 556 disabled_any(){
 557     for opt; do
 558         disabled $opt && return 0
 559     done
 560     return 1
 561 }
 562
 563 set_default(){
 564     for opt; do
 565         eval : \${$opt:=\$${opt}_default}
 566     done
 567 }
 568
 569 is_in(){
 570     value=$1
 571     shift
 572     for var in $*; do
 573         [ $var = $value ] && return 0
 574     done
 575     return 1
 576 }
 577
 578 check_deps(){
 579     for cfg; do
 580         cfg="${cfg#!}"
 581         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 582         disabled ${cfg}_checking && continue
 583         enable ${cfg}_checking
 584
 585         eval dep_all="\$${cfg}_deps"
 586         eval dep_any="\$${cfg}_deps_any"
 587         eval dep_sel="\$${cfg}_select"
 588         eval dep_sgs="\$${cfg}_suggest"
 589         eval dep_ifa="\$${cfg}_if"
 590         eval dep_ifn="\$${cfg}_if_any"
 591
 592         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 593         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 594         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 595
 596         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 597         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 598         enabled_all  $dep_all || disable $cfg
 599         enabled_any  $dep_any || disable $cfg
 600         disabled_any $dep_sel && disable $cfg
 601
 602         if enabled $cfg; then
 603             eval dep_extralibs="\$${cfg}_extralibs"
 604             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 605             enable_deep $dep_sel
 606             enable_deep_weak $dep_sgs
 607         fi
 608
 609         disable ${cfg}_checking
 610     done
 611 }
 612
 613 print_config_h(){
 614     enabled $1 && v=1 || v=0
 615     echo "#define $2 $v"
 616 }
 617
 618 print_config_mak(){
 619     enabled $1 && v= || v=!
 620     echo "$v$2=yes"
 621 }
 622
 623 print_config_asm(){
 624     enabled $1 && v=1 || v=0
 625     echo "%define $2 $v"
 626 }
 627
 628 print_config(){
 629     pfx=$1
 630     files=$2
 631     shift 2
 632     for cfg; do
 633         ucname="$(toupper $cfg)"
 634         for f in $files; do
 635             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 636         done
 637     done
 638 }
 639
 640 print_enabled(){
 641     test "$1" = -n && end=" " && shift || end="\n"
 642     suf=$1
 643     shift
 644     for v; do
 645         enabled $v && printf "%s$end" ${v%$suf};
 646     done
 647 }
 648
 649 append(){
 650     var=$1
 651     shift
 652     eval "$var=\"\$$var $*\""
 653 }
 654
 655 prepend(){
 656     var=$1
 657     shift
 658     eval "$var=\"$* \$$var\""
 659 }
 660
 661 add_cppflags(){
 662     append CPPFLAGS "$@"
 663 }
 664
 665 add_cflags(){
 666     append CFLAGS $($cflags_filter "$@")
 667 }
 668
 669 add_cxxflags(){
 670     append CXXFLAGS $($cflags_filter "$@")
 671 }
 672
 673 add_asflags(){
 674     append ASFLAGS $($asflags_filter "$@")
 675 }
 676
 677 add_ldflags(){
 678     append LDFLAGS $($ldflags_filter "$@")
 679 }
 680
 681 add_extralibs(){
 682     prepend extralibs $($ldflags_filter "$@")
 683 }
 684
 685 add_host_cflags(){
 686     append host_cflags $($host_cflags_filter "$@")
 687 }
 688
 689 add_host_ldflags(){
 690     append host_ldflags $($host_ldflags_filter "$@")
 691 }
 692
 693 check_cmd(){
 694     log "$@"
 695     "$@" >> $logfile 2>&1
 696 }
 697
 698 cc_o(){
 699     eval printf '%s\\n' $CC_O
 700 }
 701
 702 cc_e(){
 703     eval printf '%s\\n' $CC_E
 704 }
 705
 706 check_cc(){
 707     log check_cc "$@"
 708     cat > $TMPC
 709     log_file $TMPC
 710     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
 711 }
 712
 713 check_cxx(){
 714     log check_cxx "$@"
 715     cat > $TMPCPP
 716     log_file $TMPCPP
 717     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
 718 }
 719
 720 check_cpp(){
 721     log check_cpp "$@"
 722     cat > $TMPC
 723     log_file $TMPC
 724     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
 725 }
 726
 727 as_o(){
 728     eval printf '%s\\n' $AS_O
 729 }
 730
 731 check_as(){
 732     log check_as "$@"
 733     cat > $TMPC
 734     log_file $TMPC
 735     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPC
 736 }
 737
 738 check_inline_asm(){
 739     log check_inline_asm "$@"
 740     name="$1"
 741     code="$2"
 742     shift 2
 743     disable $name
 744     check_as "$@" <<EOF && enable $name
 745 void foo(void){ __asm__ volatile($code); }
 746 EOF
 747 }
 748
 749 check_yasm(){
 750     log check_yasm "$@"
 751     echo "$1" > $TMPS
 752     log_file $TMPS
 753     shift 1
 754     check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
 755 }
 756
 757 ld_o(){
 758     eval printf '%s\\n' $LD_O
 759 }
 760
 761 check_ld(){
 762     log check_ld "$@"
 763     type=$1
 764     shift 1
 765     flags=''
 766     libs=''
 767     for f; do
 768         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 769     done
 770     check_$type $($cflags_filter $flags) || return
 771     flags=$($ldflags_filter $flags)
 772     libs=$($ldflags_filter $libs)
 773     check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
 774 }
 775
 776 check_code(){
 777     log check_code "$@"
 778     check=$1
 779     headers=$2
 780     code=$3
 781     shift 3
 782     {
 783         for hdr in $headers; do
 784             echo "#include <$hdr>"
 785         done
 786         echo "int main(void) { $code; return 0; }"
 787     } | check_$check "$@"
 788 }
 789
 790 check_cppflags(){
 791     log check_cppflags "$@"
 792     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 793 int x;
 794 EOF
 795 }
 796
 797 check_cflags(){
 798     log check_cflags "$@"
 799     set -- $($cflags_filter "$@")
 800     check_cc "$@" <<EOF && append CFLAGS "$@"
 801 int x;
 802 EOF
 803 }
 804
 805 check_cxxflags(){
 806     log check_cxxflags "$@"
 807     set -- $($cflags_filter "$@")
 808     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 809 int x;
 810 EOF
 811 }
 812
 813 test_ldflags(){
 814     log test_ldflags "$@"
 815     check_ld "cc" "$@" <<EOF
 816 int main(void){ return 0; }
 817 EOF
 818 }
 819
 820 check_ldflags(){
 821     log check_ldflags "$@"
 822     test_ldflags "$@" && add_ldflags "$@"
 823 }
 824
 825 check_header(){
 826     log check_header "$@"
 827     header=$1
 828     shift
 829     disable_safe $header
 830     check_cpp "$@" <<EOF && enable_safe $header
 831 #include <$header>
 832 int x;
 833 EOF
 834 }
 835
 836 check_func(){
 837     log check_func "$@"
 838     func=$1
 839     shift
 840     disable $func
 841     check_ld "cc" "$@" <<EOF && enable $func
 842 extern int $func();
 843 int main(void){ $func(); }
 844 EOF
 845 }
 846
 847 check_mathfunc(){
 848     log check_mathfunc "$@"
 849     func=$1
 850     shift
 851     disable $func
 852     check_ld "cc" "$@" <<EOF && enable $func
 853 #include <math.h>
 854 float foo(float f) { return $func(f); }
 855 int main(void){ return (int) foo; }
 856 EOF
 857 }
 858
 859 check_func_headers(){
 860     log check_func_headers "$@"
 861     headers=$1
 862     funcs=$2
 863     shift 2
 864     {
 865         for hdr in $headers; do
 866             echo "#include <$hdr>"
 867         done
 868         for func in $funcs; do
 869             echo "long check_$func(void) { return (long) $func; }"
 870         done
 871         echo "int main(void) { return 0; }"
 872     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 873 }
 874
 875 check_class_headers_cpp(){
 876     log check_class_headers_cpp "$@"
 877     headers=$1
 878     classes=$2
 879     shift 2
 880     {
 881         for hdr in $headers; do
 882             echo "#include <$hdr>"
 883         done
 884         echo "int main(void) { "
 885         i=1
 886         for class in $classes; do
 887             echo "$class obj$i;"
 888             i=$(expr $i + 1)
 889         done
 890         echo "return 0; }"
 891     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 892 }
 893
 894 check_cpp_condition(){
 895     log check_cpp_condition "$@"
 896     header=$1
 897     condition=$2
 898     shift 2
 899     check_cpp "$@" <<EOF
 900 #include <$header>
 901 #if !($condition)
 902 #error "unsatisfied condition: $condition"
 903 #endif
 904 EOF
 905 }
 906
 907 check_lib(){
 908     log check_lib "$@"
 909     header="$1"
 910     func="$2"
 911     shift 2
 912     check_header $header && check_func $func "$@" && add_extralibs "$@"
 913 }
 914
 915 check_lib2(){
 916     log check_lib2 "$@"
 917     headers="$1"
 918     funcs="$2"
 919     shift 2
 920     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 921 }
 922
 923 check_lib_cpp(){
 924     log check_lib_cpp "$@"
 925     headers="$1"
 926     classes="$2"
 927     shift 2
 928     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 929 }
 930
 931 check_pkg_config(){
 932     log check_pkg_config "$@"
 933     pkg="$1"
 934     headers="$2"
 935     funcs="$3"
 936     shift 3
 937     $pkg_config --exists $pkg 2>/dev/null || return
 938     pkg_cflags=$($pkg_config --cflags $pkg)
 939     pkg_libs=$($pkg_config --libs $pkg)
 940     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 941         set_safe ${pkg}_cflags $pkg_cflags   &&
 942         set_safe ${pkg}_libs   $pkg_libs
 943 }
 944
 945 check_exec(){
 946     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 947 }
 948
 949 check_exec_crash(){
 950     code=$(cat)
 951
 952     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 953     # are safe but may not be available everywhere.  Thus we use
 954     # raise(SIGTERM) instead.  The check is run in a subshell so we
 955     # can redirect the "Terminated" message from the shell.  SIGBUS
 956     # is not defined by standard C so it is used conditionally.
 957
 958     (check_exec "$@") >> $logfile 2>&1 <<EOF
 959 #include <signal.h>
 960 static void sighandler(int sig){
 961     raise(SIGTERM);
 962 }
 963 int func(void){
 964     $code
 965 }
 966 int (*func_ptr)(void) = func;
 967 int main(void){
 968     signal(SIGILL, sighandler);
 969     signal(SIGFPE, sighandler);
 970     signal(SIGSEGV, sighandler);
 971 #ifdef SIGBUS
 972     signal(SIGBUS, sighandler);
 973 #endif
 974     return func_ptr();
 975 }
 976 EOF
 977 }
 978
 979 check_type(){
 980     log check_type "$@"
 981     headers=$1
 982     type=$2
 983     shift 2
 984     disable_safe "$type"
 985     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
 986 }
 987
 988 check_struct(){
 989     log check_type "$@"
 990     headers=$1
 991     struct=$2
 992     member=$3
 993     shift 3
 994     disable_safe "${struct}_${member}"
 995     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
 996         enable_safe "${struct}_${member}"
 997 }
 998
 999 require(){
1000     name="$1"
1001     header="$2"
1002     func="$3"
1003     shift 3
1004     check_lib $header $func "$@" || die "ERROR: $name not found"
1005 }
1006
1007 require2(){
1008     name="$1"
1009     headers="$2"
1010     func="$3"
1011     shift 3
1012     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1013 }
1014
1015 require_cpp(){
1016     name="$1"
1017     headers="$2"
1018     classes="$3"
1019     shift 3
1020     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1021 }
1022
1023 require_pkg_config(){
1024     pkg="$1"
1025     check_pkg_config "$@" || die "ERROR: $pkg not found"
1026     add_cflags    $(get_safe ${pkg}_cflags)
1027     add_extralibs $(get_safe ${pkg}_libs)
1028 }
1029
1030 hostcc_o(){
1031     eval printf '%s\\n' $HOSTCC_O
1032 }
1033
1034 check_host_cc(){
1035     log check_host_cc "$@"
1036     cat > $TMPC
1037     log_file $TMPC
1038     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1039 }
1040
1041 check_host_cflags(){
1042     log check_host_cflags "$@"
1043     set -- $($host_cflags_filter "$@")
1044     check_host_cc "$@" <<EOF && append host_cflags "$@"
1045 int x;
1046 EOF
1047 }
1048
1049 apply(){
1050     file=$1
1051     shift
1052     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1053 }
1054
1055 cp_if_changed(){
1056     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1057     mkdir -p "$(dirname $2)"
1058     cp -f "$1" "$2"
1059 }
1060
1061 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1062 # system-dependent things.
1063
1064 COMPONENT_LIST="
1065     bsfs
1066     decoders
1067     demuxers
1068     encoders
1069     filters
1070     hwaccels
1071     indevs
1072     muxers
1073     outdevs
1074     parsers
1075     protocols
1076 "
1077
1078 DOCUMENT_LIST="
1079     doc
1080     htmlpages
1081     manpages
1082     podpages
1083     txtpages
1084 "
1085
1086 PROGRAM_LIST="
1087     ffplay
1088     ffprobe
1089     ffserver
1090     ffmpeg
1091 "
1092
1093 CONFIG_LIST="
1094     $COMPONENT_LIST
1095     $DOCUMENT_LIST
1096     $PROGRAM_LIST
1097     avcodec
1098     avdevice
1099     avfilter
1100     avformat
1101     avresample
1102     avisynth
1103     bzlib
1104     crystalhd
1105     dct
1106     dwt
1107     dxva2
1108     fast_unaligned
1109     fft
1110     fontconfig
1111     frei0r
1112     ftrapv
1113     gnutls
1114     gpl
1115     gray
1116     hardcoded_tables
1117     incompatible_fork_abi
1118     libaacplus
1119     libass
1120     libbluray
1121     libcaca
1122     libcdio
1123     libcelt
1124     libdc1394
1125     libfaac
1126     libfdk_aac
1127     libflite
1128     libfreetype
1129     libgsm
1130     libiec61883
1131     libilbc
1132     libmodplug
1133     libmp3lame
1134     libnut
1135     libopencore_amrnb
1136     libopencore_amrwb
1137     libopencv
1138     libopenjpeg
1139     libopus
1140     libpulse
1141     librtmp
1142     libschroedinger
1143     libspeex
1144     libstagefright_h264
1145     libtheora
1146     libtwolame
1147     libutvideo
1148     libv4l2
1149     libvo_aacenc
1150     libvo_amrwbenc
1151     libvorbis
1152     libvpx
1153     libx264
1154     libxavs
1155     libxvid
1156     lsp
1157     mdct
1158     memalign_hack
1159     memory_poisoning
1160     network
1161     nonfree
1162     openal
1163     openssl
1164     pic
1165     postproc
1166     rdft
1167     runtime_cpudetect
1168     safe_bitstream_reader
1169     shared
1170     small
1171     sram
1172     static
1173     swresample
1174     swscale
1175     swscale_alpha
1176     thumb
1177     vaapi
1178     vda
1179     vdpau
1180     version3
1181     xmm_clobber_test
1182     x11grab
1183     zlib
1184 "
1185
1186 THREADS_LIST='
1187     pthreads
1188     w32threads
1189     os2threads
1190 '
1191
1192 ARCH_LIST='
1193     alpha
1194     arm
1195     avr32
1196     avr32_ap
1197     avr32_uc
1198     bfin
1199     ia64
1200     m68k
1201     mips
1202     mips64
1203     parisc
1204     ppc
1205     ppc64
1206     s390
1207     sh4
1208     sparc
1209     sparc64
1210     tomi
1211     x86
1212     x86_32
1213     x86_64
1214 '
1215
1216 ARCH_EXT_LIST_X86='
1217     amd3dnow
1218     amd3dnowext
1219     avx
1220     fma4
1221     mmx
1222     mmxext
1223     sse
1224     sse2
1225     sse3
1226     sse4
1227     sse42
1228     ssse3
1229 '
1230
1231 ARCH_EXT_LIST="
1232     $ARCH_EXT_LIST_X86
1233     altivec
1234     armv5te
1235     armv6
1236     armv6t2
1237     armvfp
1238     mmi
1239     neon
1240     ppc4xx
1241     vfpv3
1242     vis
1243     mipsfpu
1244     mips32r2
1245     mipsdspr1
1246     mipsdspr2
1247 "
1248
1249 HAVE_LIST_CMDLINE='
1250     inline_asm
1251     symver
1252     yasm
1253 '
1254
1255 HAVE_LIST_PUB='
1256     bigendian
1257     fast_unaligned
1258     incompatible_fork_abi
1259 '
1260
1261 HAVE_LIST="
1262     $ARCH_EXT_LIST
1263     $(add_suffix _external $ARCH_EXT_LIST)
1264     $(add_suffix _inline   $ARCH_EXT_LIST)
1265     $HAVE_LIST_CMDLINE
1266     $HAVE_LIST_PUB
1267     $THREADS_LIST
1268     aligned_malloc
1269     aligned_stack
1270     alsa_asoundlib_h
1271     altivec_h
1272     arpa_inet_h
1273     asm_mod_q
1274     asm_mod_y
1275     asm_types_h
1276     attribute_may_alias
1277     attribute_packed
1278     broken_snprintf
1279     cbrtf
1280     clock_gettime
1281     closesocket
1282     cmov
1283     cpunop
1284     dcbzl
1285     dev_bktr_ioctl_bt848_h
1286     dev_bktr_ioctl_meteor_h
1287     dev_ic_bt8xx_h
1288     dev_video_bktr_ioctl_bt848_h
1289     dev_video_meteor_ioctl_meteor_h
1290     direct_h
1291     dlfcn_h
1292     dlopen
1293     dos_paths
1294     dxva_h
1295     ebp_available
1296     ebx_available
1297     exp2
1298     exp2f
1299     fast_64bit
1300     fast_clz
1301     fast_cmov
1302     fcntl
1303     fork
1304     getaddrinfo
1305     gethrtime
1306     getopt
1307     GetProcessAffinityMask
1308     GetProcessMemoryInfo
1309     GetProcessTimes
1310     GetSystemTimeAsFileTime
1311     getrusage
1312     gettimeofday
1313     glob
1314     gnu_as
1315     ibm_asm
1316     inet_aton
1317     io_h
1318     isatty
1319     isinf
1320     isnan
1321     jack_port_get_latency_range
1322     kbhit
1323     ldbrx
1324     libdc1394_1
1325     libdc1394_2
1326     llrint
1327     llrintf
1328     local_aligned_16
1329     local_aligned_8
1330     localtime_r
1331     log2
1332     log2f
1333     loongson
1334     lrint
1335     lrintf
1336     lzo1x_999_compress
1337     machine_ioctl_bt848_h
1338     machine_ioctl_meteor_h
1339     makeinfo
1340     malloc_h
1341     MapViewOfFile
1342     memalign
1343     mkstemp
1344     mm_empty
1345     mmap
1346     msvcrt
1347     nanosleep
1348     PeekNamedPipe
1349     perl
1350     pod2man
1351     poll_h
1352     posix_memalign
1353     pthread_cancel
1354     rdtsc
1355     rint
1356     round
1357     roundf
1358     sched_getaffinity
1359     sdl
1360     sdl_video_size
1361     setmode
1362     setrlimit
1363     Sleep
1364     sndio_h
1365     socklen_t
1366     soundcard_h
1367     strerror_r
1368     struct_addrinfo
1369     struct_group_source_req
1370     struct_ip_mreq_source
1371     struct_ipv6_mreq
1372     struct_pollfd
1373     struct_rusage_ru_maxrss
1374     struct_sctp_event_subscribe
1375     struct_sockaddr_in6
1376     struct_sockaddr_sa_len
1377     struct_sockaddr_storage
1378     struct_v4l2_frmivalenum_discrete
1379     symver_asm_label
1380     symver_gnu_asm
1381     sysconf
1382     sysctl
1383     sys_mman_h
1384     sys_param_h
1385     sys_resource_h
1386     sys_select_h
1387     sys_soundcard_h
1388     sys_time_h
1389     sys_videoio_h
1390     termios_h
1391     texi2html
1392     threads
1393     trunc
1394     truncf
1395     unistd_h
1396     usleep
1397     vfp_args
1398     VirtualAlloc
1399     windows_h
1400     winsock2_h
1401     xform_asm
1402     xmm_clobbers
1403 "
1404
1405 # options emitted with CONFIG_ prefix but not available on command line
1406 CONFIG_EXTRA="
1407     aandcttables
1408     ac3dsp
1409     avutil
1410     error_resilience
1411     gcrypt
1412     golomb
1413     gplv3
1414     h264chroma
1415     h264dsp
1416     h264pred
1417     h264qpel
1418     huffman
1419     lgplv3
1420     lpc
1421     mpegaudio
1422     mpegaudiodsp
1423     mpegvideo
1424     mpegvideoenc
1425     nettle
1426     rangecoder
1427     rtpdec
1428     sinewin
1429     vp3dsp
1430 "
1431
1432 CMDLINE_SELECT="
1433     $ARCH_EXT_LIST
1434     $CONFIG_LIST
1435     $HAVE_LIST_CMDLINE
1436     $THREADS_LIST
1437     asm
1438     coverage
1439     cross_compile
1440     debug
1441     extra_warnings
1442     logging
1443     lto
1444     optimizations
1445     stripping
1446 "
1447
1448 PATHS_LIST='
1449     bindir
1450     datadir
1451     incdir
1452     libdir
1453     mandir
1454     prefix
1455     shlibdir
1456 '
1457
1458 CMDLINE_SET="
1459     $PATHS_LIST
1460     ar
1461     arch
1462     as
1463     assert_level
1464     build_suffix
1465     cc
1466     cpu
1467     cross_prefix
1468     cxx
1469     dep_cc
1470     extra_version
1471     host_cc
1472     host_cflags
1473     host_ld
1474     host_ldflags
1475     host_libs
1476     host_os
1477     install
1478     ld
1479     logfile
1480     malloc_prefix
1481     nm
1482     optflags
1483     pkg_config
1484     postproc_version
1485     progs_suffix
1486     random_seed
1487     samples
1488     strip
1489     sysinclude
1490     sysroot
1491     target_exec
1492     target_os
1493     target_path
1494     toolchain
1495     valgrind
1496     yasmexe
1497 "
1498
1499 CMDLINE_APPEND="
1500     extra_cflags
1501     extra_cxxflags
1502 "
1503
1504 # code dependency declarations
1505
1506 # architecture extensions
1507
1508 armv5te_deps="arm"
1509 armv6_deps="arm"
1510 armv6t2_deps="arm"
1511 armvfp_deps="arm"
1512 neon_deps="arm"
1513 vfpv3_deps="armvfp"
1514
1515 mipsfpu_deps="mips"
1516 mips32r2_deps="mips"
1517 mipsdspr1_deps="mips"
1518 mipsdspr2_deps="mips"
1519 mmi_deps="mips"
1520
1521 altivec_deps="ppc"
1522 ppc4xx_deps="ppc"
1523
1524 vis_deps="sparc"
1525
1526 x86_64_suggest="cmov fast_cmov"
1527
1528 amd3dnow_deps="mmx"
1529 amd3dnowext_deps="amd3dnow"
1530 mmx_deps="x86"
1531 mmxext_deps="mmx"
1532 sse_deps="mmxext"
1533 sse2_deps="sse"
1534 sse3_deps="sse2"
1535 ssse3_deps="sse3"
1536 sse4_deps="ssse3"
1537 sse42_deps="sse4"
1538 avx_deps="sse42"
1539 fma4_deps="avx"
1540
1541 mmx_external_deps="yasm"
1542 mmx_inline_deps="inline_asm"
1543 mmx_suggest="mmx_external mmx_inline"
1544
1545 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1546     eval dep=\$${ext}_deps
1547     eval ${ext}_external_deps='"${dep}_external"'
1548     eval ${ext}_inline_deps='"${dep}_inline"'
1549     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1550 done
1551
1552 aligned_stack_if_any="ppc x86"
1553 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1554 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1555 fast_unaligned_if_any="armv6 ppc x86"
1556
1557 inline_asm_deps="!tms470"
1558 need_memalign="altivec neon sse"
1559
1560 symver_if_any="symver_asm_label symver_gnu_asm"
1561
1562 log2_deps="!msvcrt"
1563
1564 # subsystems
1565 dct_select="rdft"
1566 mdct_select="fft"
1567 rdft_select="fft"
1568 mpegaudio_select="mpegaudiodsp"
1569 mpegaudiodsp_select="dct"
1570 mpegvideoenc_select="mpegvideo"
1571
1572 # decoders / encoders / hardware accelerators
1573 aac_decoder_select="mdct sinewin"
1574 aac_encoder_select="mdct sinewin"
1575 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1576 ac3_decoder_select="mdct ac3dsp ac3_parser"
1577 ac3_encoder_select="mdct ac3dsp"
1578 ac3_fixed_encoder_select="mdct ac3dsp"
1579 alac_encoder_select="lpc"
1580 amrnb_decoder_select="lsp"
1581 amrwb_decoder_select="lsp"
1582 amv_encoder_select="aandcttables"
1583 atrac1_decoder_select="mdct sinewin"
1584 atrac3_decoder_select="mdct"
1585 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1586 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1587 cavs_decoder_select="golomb mpegvideo"
1588 cook_decoder_select="mdct sinewin"
1589 cscd_decoder_suggest="zlib"
1590 dca_decoder_select="mdct"
1591 dirac_decoder_select="dwt golomb"
1592 dnxhd_encoder_select="aandcttables mpegvideoenc"
1593 dxa_decoder_select="zlib"
1594 eac3_decoder_select="ac3_decoder"
1595 eac3_encoder_select="ac3_encoder"
1596 eamad_decoder_select="aandcttables error_resilience mpegvideo"
1597 eatgq_decoder_select="aandcttables"
1598 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1599 exr_decoder_select="zlib"
1600 ffv1_decoder_select="golomb rangecoder"
1601 ffv1_encoder_select="rangecoder"
1602 ffvhuff_encoder_select="huffman"
1603 flac_decoder_select="golomb"
1604 flac_encoder_select="golomb lpc"
1605 flashsv_decoder_select="zlib"
1606 flashsv_encoder_select="zlib"
1607 flashsv2_encoder_select="zlib"
1608 flashsv2_decoder_select="zlib"
1609 flv_decoder_select="h263_decoder"
1610 flv_encoder_select="h263_encoder"
1611 fraps_decoder_select="huffman"
1612 h261_decoder_select="error_resilience mpegvideo"
1613 h261_encoder_select="aandcttables mpegvideoenc"
1614 h263_decoder_select="error_resilience h263_parser mpegvideo"
1615 h263_encoder_select="aandcttables error_resilience mpegvideoenc"
1616 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1617 h263i_decoder_select="h263_decoder"
1618 h263p_encoder_select="h263_encoder"
1619 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1620 h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1621 h264_dxva2_hwaccel_deps="dxva2api_h"
1622 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1623 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1624 h264_vda_decoder_select="vda h264_parser h264_decoder"
1625 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1626 h264_vda_hwaccel_select="vda h264_decoder"
1627 h264_vdpau_decoder_select="vdpau h264_decoder"
1628 huffyuv_encoder_select="huffman"
1629 iac_decoder_select="fft mdct sinewin"
1630 imc_decoder_select="fft mdct sinewin"
1631 jpegls_decoder_select="golomb"
1632 jpegls_encoder_select="golomb"
1633 ljpeg_encoder_select="aandcttables mpegvideoenc"
1634 loco_decoder_select="golomb"
1635 mdec_decoder_select="error_resilience mpegvideo"
1636 mjpeg_encoder_select="aandcttables mpegvideoenc"
1637 mlp_decoder_select="mlp_parser"
1638 mp1_decoder_select="mpegaudio"
1639 mp1float_decoder_select="mpegaudio"
1640 mp2_decoder_select="mpegaudio"
1641 mp2float_decoder_select="mpegaudio"
1642 mp3_decoder_select="mpegaudio"
1643 mp3adu_decoder_select="mpegaudio"
1644 mp3adufloat_decoder_select="mpegaudio"
1645 mp3float_decoder_select="mpegaudio"
1646 mp3on4_decoder_select="mpegaudio"
1647 mp3on4float_decoder_select="mpegaudio"
1648 mpc7_decoder_select="mpegaudiodsp"
1649 mpc8_decoder_select="mpegaudiodsp"
1650 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1651 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1652 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1653 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1654 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1655 mpeg1video_decoder_select="error_resilience mpegvideo"
1656 mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
1657 mpeg2_crystalhd_decoder_select="crystalhd"
1658 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1659 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1660 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1661 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1662 mpeg2video_decoder_select="error_resilience mpegvideo"
1663 mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
1664 mpeg4_crystalhd_decoder_select="crystalhd"
1665 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1666 mpeg4_encoder_select="h263_encoder"
1667 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1668 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1669 msmpeg4_crystalhd_decoder_select="crystalhd"
1670 msmpeg4v1_decoder_select="h263_decoder"
1671 msmpeg4v1_encoder_select="h263_encoder"
1672 msmpeg4v2_decoder_select="h263_decoder"
1673 msmpeg4v2_encoder_select="h263_encoder"
1674 msmpeg4v3_decoder_select="h263_decoder"
1675 msmpeg4v3_encoder_select="h263_encoder"
1676 mss2_decoder_select="vc1_decoder"
1677 nellymoser_decoder_select="mdct sinewin"
1678 nellymoser_encoder_select="mdct sinewin"
1679 png_decoder_select="zlib"
1680 png_encoder_select="zlib"
1681 qcelp_decoder_select="lsp"
1682 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1683 ra_144_encoder_select="lpc"
1684 ralf_decoder_select="golomb"
1685 rv10_decoder_select="h263_decoder"
1686 rv10_encoder_select="h263_encoder"
1687 rv20_decoder_select="h263_decoder"
1688 rv20_encoder_select="h263_encoder"
1689 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1690 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1691 shorten_decoder_select="golomb"
1692 sipr_decoder_select="lsp"
1693 snow_decoder_select="dwt rangecoder"
1694 snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1695 sonic_decoder_select="golomb"
1696 sonic_encoder_select="golomb"
1697 sonic_ls_encoder_select="golomb"
1698 svq1_decoder_select="error_resilience mpegvideo"
1699 svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1700 svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1701 svq3_decoder_suggest="zlib"
1702 theora_decoder_select="vp3_decoder"
1703 tiff_decoder_suggest="zlib"
1704 tiff_encoder_suggest="zlib"
1705 truehd_decoder_select="mlp_parser"
1706 tscc_decoder_select="zlib"
1707 twinvq_decoder_select="mdct lsp sinewin"
1708 utvideo_encoder_select="huffman"
1709 vc1_crystalhd_decoder_select="crystalhd"
1710 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1711 vc1_dxva2_hwaccel_deps="dxva2api_h"
1712 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1713 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1714 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1715 vc1image_decoder_select="vc1_decoder"
1716 vorbis_decoder_select="mdct"
1717 vorbis_encoder_select="mdct"
1718 vp3_decoder_select="vp3dsp"
1719 vp5_decoder_select="vp3dsp"
1720 vp6_decoder_select="huffman vp3dsp"
1721 vp6a_decoder_select="vp6_decoder"
1722 vp6f_decoder_select="vp6_decoder"
1723 vp8_decoder_select="h264pred h264qpel"
1724 wmapro_decoder_select="mdct sinewin"
1725 wmav1_decoder_select="mdct sinewin"
1726 wmav1_encoder_select="mdct sinewin"
1727 wmav2_decoder_select="mdct sinewin"
1728 wmav2_encoder_select="mdct sinewin"
1729 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1730 wmv1_decoder_select="h263_decoder"
1731 wmv1_encoder_select="h263_encoder"
1732 wmv2_decoder_select="h263_decoder"
1733 wmv2_encoder_select="h263_encoder"
1734 wmv3_decoder_select="vc1_decoder"
1735 wmv3_crystalhd_decoder_select="crystalhd"
1736 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1737 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1738 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1739 wmv3image_decoder_select="wmv3_decoder"
1740 zerocodec_decoder_select="zlib"
1741 zlib_decoder_select="zlib"
1742 zlib_encoder_select="zlib"
1743 zmbv_decoder_select="zlib"
1744 zmbv_encoder_select="zlib"
1745
1746 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1747 vaapi_deps="va_va_h"
1748 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1749 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1750
1751 # parsers
1752 h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1753 mpeg4video_parser_select="error_resilience mpegvideo"
1754 mpegvideo_parser_select="error_resilience mpegvideo"
1755 vc1_parser_select="error_resilience mpegvideo"
1756
1757 # external libraries
1758 libaacplus_encoder_deps="libaacplus"
1759 libcelt_decoder_deps="libcelt"
1760 libfaac_encoder_deps="libfaac"
1761 libfdk_aac_encoder_deps="libfdk_aac"
1762 libgsm_decoder_deps="libgsm"
1763 libgsm_encoder_deps="libgsm"
1764 libgsm_ms_decoder_deps="libgsm"
1765 libgsm_ms_encoder_deps="libgsm"
1766 libilbc_decoder_deps="libilbc"
1767 libilbc_encoder_deps="libilbc"
1768 libmodplug_demuxer_deps="libmodplug"
1769 libmp3lame_encoder_deps="libmp3lame"
1770 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1771 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1772 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1773 libopenjpeg_decoder_deps="libopenjpeg"
1774 libopenjpeg_encoder_deps="libopenjpeg"
1775 libopus_decoder_deps="libopus"
1776 libopus_encoder_deps="libopus"
1777 libschroedinger_decoder_deps="libschroedinger"
1778 libschroedinger_encoder_deps="libschroedinger"
1779 libspeex_decoder_deps="libspeex"
1780 libspeex_encoder_deps="libspeex"
1781 libstagefright_h264_decoder_deps="libstagefright_h264"
1782 libtheora_encoder_deps="libtheora"
1783 libtwolame_encoder_deps="libtwolame"
1784 libvo_aacenc_encoder_deps="libvo_aacenc"
1785 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1786 libvorbis_decoder_deps="libvorbis"
1787 libvorbis_encoder_deps="libvorbis"
1788 libvpx_decoder_deps="libvpx"
1789 libvpx_encoder_deps="libvpx"
1790 libx264_encoder_deps="libx264"
1791 libx264rgb_encoder_deps="libx264"
1792 libxavs_encoder_deps="libxavs"
1793 libxvid_encoder_deps="libxvid"
1794 libutvideo_decoder_deps="libutvideo"
1795 libutvideo_encoder_deps="libutvideo"
1796
1797 # demuxers / muxers
1798 ac3_demuxer_select="ac3_parser"
1799 asf_stream_muxer_select="asf_muxer"
1800 avisynth_demuxer_deps="avisynth"
1801 dirac_demuxer_select="dirac_parser"
1802 dts_demuxer_select="dca_parser"
1803 dtshd_demuxer_select="dca_parser"
1804 eac3_demuxer_select="ac3_parser"
1805 f4v_muxer_select="mov_muxer"
1806 flac_demuxer_select="flac_parser"
1807 ipod_muxer_select="mov_muxer"
1808 libnut_demuxer_deps="libnut"
1809 libnut_muxer_deps="libnut"
1810 matroska_audio_muxer_select="matroska_muxer"
1811 matroska_demuxer_suggest="zlib bzlib"
1812 mov_demuxer_suggest="zlib"
1813 mp3_demuxer_select="mpegaudio_parser"
1814 mp4_muxer_select="mov_muxer"
1815 mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1816 mpegtsraw_demuxer_select="mpegts_demuxer"
1817 mxf_d10_muxer_select="mxf_muxer"
1818 ogg_demuxer_select="golomb"
1819 psp_muxer_select="mov_muxer"
1820 rtp_demuxer_select="sdp_demuxer"
1821 rtp_muxer_select="mpegvideo"
1822 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1823 rtsp_demuxer_select="http_protocol rtpdec"
1824 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1825 sap_demuxer_select="sdp_demuxer"
1826 sap_muxer_select="rtp_muxer rtp_protocol"
1827 sdp_demuxer_select="rtpdec"
1828 smoothstreaming_muxer_select="ismv_muxer"
1829 spdif_muxer_select="aac_parser"
1830 tak_demuxer_select="tak_parser"
1831 tg2_muxer_select="mov_muxer"
1832 tgp_muxer_select="mov_muxer"
1833 w64_demuxer_deps="wav_demuxer"
1834
1835 # indevs / outdevs
1836 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1837 alsa_outdev_deps="alsa_asoundlib_h"
1838 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1839 caca_outdev_deps="libcaca"
1840 dshow_indev_deps="IBaseFilter"
1841 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1842 dv1394_indev_deps="dv1394 dv_demuxer"
1843 fbdev_indev_deps="linux_fb_h"
1844 iec61883_indev_deps="libiec61883"
1845 jack_indev_deps="jack_jack_h sem_timedwait"
1846 lavfi_indev_deps="avfilter"
1847 libcdio_indev_deps="libcdio"
1848 libdc1394_indev_deps="libdc1394"
1849 libv4l2_indev_deps="libv4l2"
1850 openal_indev_deps="openal"
1851 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1852 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1853 pulse_indev_deps="libpulse"
1854 sdl_outdev_deps="sdl"
1855 sndio_indev_deps="sndio_h"
1856 sndio_outdev_deps="sndio_h"
1857 v4l_indev_deps="linux_videodev_h"
1858 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1859 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1860 vfwcap_indev_extralibs="-lavicap32"
1861 x11grab_indev_deps="x11grab"
1862
1863 # protocols
1864 bluray_protocol_deps="libbluray"
1865 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1866 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1867 ffrtmpcrypt_protocol_select="tcp_protocol"
1868 ffrtmphttp_protocol_deps="!librtmp_protocol"
1869 ffrtmphttp_protocol_select="http_protocol"
1870 gopher_protocol_deps="network"
1871 httpproxy_protocol_deps="network"
1872 httpproxy_protocol_select="tcp_protocol"
1873 http_protocol_deps="network"
1874 http_protocol_select="tcp_protocol"
1875 https_protocol_select="tls_protocol"
1876 librtmp_protocol_deps="librtmp"
1877 librtmpe_protocol_deps="librtmp"
1878 librtmps_protocol_deps="librtmp"
1879 librtmpt_protocol_deps="librtmp"
1880 librtmpte_protocol_deps="librtmp"
1881 mmsh_protocol_select="http_protocol"
1882 mmst_protocol_deps="network"
1883 rtmp_protocol_deps="!librtmp_protocol"
1884 rtmp_protocol_select="tcp_protocol"
1885 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1886 rtmps_protocol_deps="!librtmp_protocol"
1887 rtmps_protocol_select="tls_protocol"
1888 rtmpt_protocol_select="ffrtmphttp_protocol"
1889 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1890 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1891 rtp_protocol_select="udp_protocol"
1892 sctp_protocol_deps="network struct_sctp_event_subscribe"
1893 tcp_protocol_deps="network"
1894 tls_protocol_deps_any="openssl gnutls"
1895 tls_protocol_select="tcp_protocol"
1896 udp_protocol_deps="network"
1897
1898 # filters
1899 aconvert_filter_deps="swresample"
1900 amovie_filter_deps="avcodec avformat"
1901 aresample_filter_deps="swresample"
1902 ass_filter_deps="libass"
1903 asyncts_filter_deps="avresample"
1904 atempo_filter_deps="avcodec rdft"
1905 blackframe_filter_deps="gpl"
1906 boxblur_filter_deps="gpl"
1907 colormatrix_filter_deps="gpl"
1908 cropdetect_filter_deps="gpl"
1909 decimate_filter_deps="gpl avcodec"
1910 delogo_filter_deps="gpl"
1911 deshake_filter_deps="avcodec"
1912 drawtext_filter_deps="libfreetype"
1913 ebur128_filter_deps="gpl"
1914 flite_filter_deps="libflite"
1915 frei0r_filter_deps="frei0r dlopen"
1916 frei0r_filter_extralibs='$ldl'
1917 frei0r_src_filter_deps="frei0r dlopen"
1918 frei0r_src_filter_extralibs='$ldl'
1919 hqdn3d_filter_deps="gpl"
1920 movie_filter_deps="avcodec avformat"
1921 mp_filter_deps="gpl avcodec swscale postproc inline_asm"
1922 mptestsrc_filter_deps="gpl"
1923 negate_filter_deps="lut_filter"
1924 resample_filter_deps="avresample"
1925 ocv_filter_deps="libopencv"
1926 pan_filter_deps="swresample"
1927 removelogo_filter_deps="avcodec avformat swscale"
1928 scale_filter_deps="swscale"
1929 smartblur_filter_deps="gpl swscale"
1930 showspectrum_filter_deps="avcodec rdft"
1931 super2xsai_filter_deps="gpl"
1932 tinterlace_filter_deps="gpl"
1933 yadif_filter_deps="gpl"
1934 pixfmts_super2xsai_test_deps="super2xsai_filter"
1935 tinterlace_merge_test_deps="tinterlace_filter"
1936 tinterlace_pad_test_deps="tinterlace_filter"
1937
1938 # libraries
1939 avdevice_deps="avcodec avformat"
1940 avformat_deps="avcodec"
1941 postproc_deps="gpl"
1942
1943 # programs
1944 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1945 ffmpeg_select="ffbuffersink_filter format_filter aformat_filter
1946                setpts_filter null_filter anull_filter ffabuffersink_filter"
1947 ffplay_deps="avcodec avformat swscale swresample sdl"
1948 ffplay_select="ffbuffersink_filter rdft crop_filter"
1949 ffprobe_deps="avcodec avformat"
1950 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1951 ffserver_extralibs='$ldl'
1952
1953 # documentation
1954 podpages_deps="perl"
1955 manpages_deps="perl pod2man"
1956 htmlpages_deps="texi2html"
1957 txtpages_deps="makeinfo"
1958 doc_deps_any="manpages htmlpages podpages txtpages"
1959
1960 # tests
1961 colormatrix1_test_deps="colormatrix_filter"
1962 colormatrix2_test_deps="colormatrix_filter"
1963 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1964 png_test_deps="zlib"
1965 pp_test_deps="mp_filter"
1966 pp2_test_deps="mp_filter"
1967 pp3_test_deps="mp_filter"
1968 pp4_test_deps="mp_filter"
1969 pp5_test_deps="mp_filter"
1970 pp6_test_deps="mp_filter"
1971 seek_flashsv_flv_test_deps="zlib"
1972 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1973
1974 test_deps(){
1975     suf1=$1
1976     suf2=$2
1977     shift 2
1978     for v; do
1979         dep=${v%=*}
1980         tests=${v#*=}
1981         for name in ${tests}; do
1982             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1983         done
1984     done
1985 }
1986
1987 test_deps _muxer _demuxer                                               \
1988     aiff                                                                \
1989     pcm_alaw=alaw                                                       \
1990     asf                                                                 \
1991     au                                                                  \
1992     avi                                                                 \
1993     dv=dv_fmt                                                           \
1994     ffm                                                                 \
1995     flv=flv_fmt                                                         \
1996     gxf                                                                 \
1997     matroska=mkv                                                        \
1998     mmf                                                                 \
1999     mov="mov ismv"                                                      \
2000     pcm_mulaw=mulaw                                                     \
2001     mxf="mxf mxf_d10"                                                   \
2002     nut                                                                 \
2003     ogg="ogg ogg_vp3"                                                   \
2004     rawvideo=pixfmt                                                     \
2005     rm                                                                  \
2006     swf                                                                 \
2007     mpegts=ts                                                           \
2008     voc                                                                 \
2009     wav                                                                 \
2010     yuv4mpegpipe=yuv4mpeg                                               \
2011
2012 # default parameters
2013
2014 logfile="config.log"
2015
2016 # installation paths
2017 prefix_default="/usr/local"
2018 bindir_default='${prefix}/bin'
2019 datadir_default='${prefix}/share/ffmpeg'
2020 incdir_default='${prefix}/include'
2021 libdir_default='${prefix}/lib'
2022 mandir_default='${prefix}/share/man'
2023 shlibdir_default="$libdir_default"
2024 postproc_version_default="current"
2025
2026 # toolchain
2027 ar_default="ar"
2028 cc_default="gcc"
2029 cxx_default="g++"
2030 host_cc_default="gcc"
2031 install="install"
2032 ln_s="ln -sf"
2033 nm_default="nm -g"
2034 objformat="elf"
2035 pkg_config_default=pkg-config
2036 ranlib="ranlib"
2037 strip_default="strip"
2038 yasmexe_default="yasm"
2039
2040 nogas=":"
2041
2042 # machine
2043 arch_default=$(uname -m)
2044 cpu="generic"
2045
2046 # OS
2047 target_os_default=$(tolower $(uname -s))
2048 host_os=$target_os_default
2049
2050 # alternative libpostproc version
2051 ALT_PP_VER_MAJOR=51
2052 ALT_PP_VER_MINOR=2
2053 ALT_PP_VER_MICRO=101
2054 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
2055
2056 # configurable options
2057 enable $PROGRAM_LIST
2058 enable $DOCUMENT_LIST
2059
2060 enable avcodec
2061 enable avdevice
2062 enable avfilter
2063 enable avformat
2064 enable avutil
2065 enable postproc
2066 enable stripping
2067 enable swresample
2068 enable swscale
2069
2070 enable asm
2071 enable debug
2072 enable doc
2073 enable network
2074 enable optimizations
2075 enable runtime_cpudetect
2076 enable safe_bitstream_reader
2077 enable static
2078 enable swscale_alpha
2079
2080 # build settings
2081 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2082 FFSERVERLDFLAGS=-Wl,-E
2083 LIBPREF="lib"
2084 LIBSUF=".a"
2085 FULLNAME='$(NAME)$(BUILDSUF)'
2086 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2087 SLIBPREF="lib"
2088 SLIBSUF=".so"
2089 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2090 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2091 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2092 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2093 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2094 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2095
2096 asflags_filter=echo
2097 cflags_filter=echo
2098 ldflags_filter=echo
2099
2100 AS_C='-c'
2101 AS_O='-o $@'
2102 CC_C='-c'
2103 CC_E='-E -o $@'
2104 CC_O='-o $@'
2105 CXX_C='-c'
2106 CXX_O='-o $@'
2107 LD_O='-o $@'
2108 LD_LIB='-l%'
2109 LD_PATH='-L'
2110 HOSTCC_C='-c'
2111 HOSTCC_O='-o $@'
2112 HOSTLD_O='-o $@'
2113
2114 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
2115 host_libs='-lm'
2116 host_cflags_filter=echo
2117 host_ldflags_filter=echo
2118
2119 target_path='$(CURDIR)'
2120
2121 # since the object filename is not given with the -MM flag, the compiler
2122 # is only able to print the basename, and we must add the path ourselves
2123 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2124 DEPFLAGS='-MM'
2125
2126 # find source path
2127 if test -f configure; then
2128     source_path=.
2129 else
2130     source_path=$(cd $(dirname "$0"); pwd)
2131     echo "$source_path" | grep -q '[[:blank:]]' &&
2132         die "Out of tree builds are impossible with whitespace in source path."
2133     test -e "$source_path/config.h" &&
2134         die "Out of tree builds are impossible with config.h in source dir."
2135 fi
2136
2137 for v in "$@"; do
2138     r=${v#*=}
2139     l=${v%"$r"}
2140     r=$(sh_quote "$r")
2141     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2142 done
2143
2144 find_things(){
2145     thing=$1
2146     pattern=$2
2147     file=$source_path/$3
2148     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2149 }
2150
2151 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2152 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2153 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2154 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2155 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
2156 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2157 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2158 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2159 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2160 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2161 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2162
2163 ALL_COMPONENTS="
2164     $BSF_LIST
2165     $DECODER_LIST
2166     $DEMUXER_LIST
2167     $ENCODER_LIST
2168     $FILTER_LIST
2169     $HWACCEL_LIST
2170     $INDEV_LIST
2171     $MUXER_LIST
2172     $OUTDEV_LIST
2173     $PARSER_LIST
2174     $PROTOCOL_LIST
2175 "
2176
2177 find_tests(){
2178     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
2179 }
2180
2181 LAVF_FATE_TESTS=$(find_tests lavf-fate)
2182 LAVF_TESTS=$(find_tests lavf)
2183 LAVFI_TESTS=$(find_tests lavfi)
2184 SEEK_TESTS=$(find_tests seek seek_)
2185
2186 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
2187
2188 for n in $COMPONENT_LIST; do
2189     v=$(toupper ${n%s})_LIST
2190     eval enable \$$v
2191     eval ${n}_if_any="\$$v"
2192 done
2193
2194 enable $ARCH_EXT_LIST $ALL_TESTS
2195
2196 die_unknown(){
2197     echo "Unknown option \"$1\"."
2198     echo "See $0 --help for available options."
2199     exit 1
2200 }
2201
2202 show_list() {
2203     suffix=_$1
2204     shift
2205     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2206     exit 0
2207 }
2208
2209 rand_list(){
2210     IFS=', '
2211     set -- $*
2212     unset IFS
2213     for thing; do
2214         comp=${thing%:*}
2215         prob=${thing#$comp}
2216         prob=${prob#:}
2217         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2218         echo "prob ${prob:-0.5}"
2219         printf '%s\n' $comp
2220     done
2221 }
2222
2223 do_random(){
2224     action=$1
2225     shift
2226     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2227     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2228 }
2229
2230 for opt do
2231     optval="${opt#*=}"
2232     case "$opt" in
2233     --extra-ldflags=*) add_ldflags $optval
2234     ;;
2235     --extra-libs=*) add_extralibs $optval
2236     ;;
2237     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2238     ;;
2239     --enable-debug=*) debuglevel="$optval"
2240     ;;
2241     --disable-everything)
2242     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2243     ;;
2244     --enable-random|--disable-random)
2245     action=${opt%%-random}
2246     do_random ${action#--} $COMPONENT_LIST
2247     ;;
2248     --enable-random=*|--disable-random=*)
2249     action=${opt%%-random=*}
2250     do_random ${action#--} $optval
2251     ;;
2252     --enable-*=*|--disable-*=*)
2253     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2254     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2255     eval list=\$$(toupper $thing)_LIST
2256     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2257     $action $(filter "$name" $list)
2258     ;;
2259     --enable-?*|--disable-?*)
2260     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2261     if is_in $option $COMPONENT_LIST; then
2262         test $action = disable && action=unset
2263         eval $action \$$(toupper ${option%s})_LIST
2264     elif is_in $option $CMDLINE_SELECT; then
2265         $action $option
2266     else
2267         die_unknown $opt
2268     fi
2269     ;;
2270     --list-*)
2271         NAME="${opt#--list-}"
2272         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2273         NAME=${NAME%s}
2274         eval show_list $NAME \$$(toupper $NAME)_LIST
2275     ;;
2276     --help|-h) show_help
2277     ;;
2278     *)
2279     optname="${opt%%=*}"
2280     optname="${optname#--}"
2281     optname=$(echo "$optname" | sed 's/-/_/g')
2282     if is_in $optname $CMDLINE_SET; then
2283         eval $optname='$optval'
2284     elif is_in $optname $CMDLINE_APPEND; then
2285         append $optname "$optval"
2286     else
2287          die_unknown $opt
2288     fi
2289     ;;
2290     esac
2291 done
2292
2293 disabled logging && logfile=/dev/null
2294
2295 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2296 set >> $logfile
2297
2298 test -n "$cross_prefix" && enable cross_compile
2299
2300 if enabled cross_compile; then
2301     test -n "$arch" && test -n "$target_os" ||
2302         die "Must specify target arch and OS when cross-compiling"
2303 fi
2304
2305 set_default arch target_os postproc_version
2306
2307 # Check if we should build alternative libpostproc version instead of current
2308 if   test "$postproc_version" = $ALT_PP_VER; then
2309   LIBPOSTPROC_VERSION=$ALT_PP_VER
2310   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2311   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2312   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2313 elif test "$postproc_version" != current; then
2314   die "Invalid argument to --postproc-version. See --help output."
2315 fi
2316
2317 ar_default="${cross_prefix}${ar_default}"
2318 cc_default="${cross_prefix}${cc_default}"
2319 cxx_default="${cross_prefix}${cxx_default}"
2320 nm_default="${cross_prefix}${nm_default}"
2321 pkg_config_default="${cross_prefix}${pkg_config_default}"
2322 ranlib="${cross_prefix}${ranlib}"
2323 strip_default="${cross_prefix}${strip_default}"
2324
2325 sysinclude_default="${sysroot}/usr/include"
2326
2327 case "$toolchain" in
2328     msvc)
2329         cc_default="c99wrap cl"
2330         ld_default="c99wrap link"
2331         nm_default="dumpbin -symbols"
2332         ar_default="lib"
2333     ;;
2334     ?*)
2335         die "Unknown toolchain $toolchain"
2336     ;;
2337 esac
2338
2339 set_default cc cxx pkg_config strip sysinclude yasmexe
2340 enabled cross_compile || host_cc_default=$cc
2341 set_default host_cc
2342
2343 if ! $pkg_config --version >/dev/null 2>&1; then
2344     warn "$pkg_config not found, library detection may fail."
2345     pkg_config=false
2346 fi
2347
2348 exesuf() {
2349     case $1 in
2350         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2351     esac
2352 }
2353
2354 EXESUF=$(exesuf $target_os)
2355 HOSTEXESUF=$(exesuf $host_os)
2356
2357 # set temporary file name
2358 : ${TMPDIR:=$TEMPDIR}
2359 : ${TMPDIR:=$TMP}
2360 : ${TMPDIR:=/tmp}
2361
2362 if ! check_cmd mktemp -u XXXXXX; then
2363     # simple replacement for missing mktemp
2364     # NOT SAFE FOR GENERAL USE
2365     mktemp(){
2366         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2367     }
2368 fi
2369
2370 tmpfile(){
2371     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2372         (set -C; exec > $tmp) 2>/dev/null ||
2373         die "Unable to create temporary file in $TMPDIR."
2374     append TMPFILES $tmp
2375     eval $1=$tmp
2376 }
2377
2378 trap 'rm -f -- $TMPFILES' EXIT
2379
2380 tmpfile TMPASM .asm
2381 tmpfile TMPC   .c
2382 tmpfile TMPCPP .cpp
2383 tmpfile TMPE   $EXESUF
2384 tmpfile TMPH   .h
2385 tmpfile TMPO   .o
2386 tmpfile TMPS   .S
2387 tmpfile TMPSH  .sh
2388 tmpfile TMPV   .ver
2389
2390 unset -f mktemp
2391
2392 chmod +x $TMPE
2393
2394 # make sure we can execute files in $TMPDIR
2395 cat > $TMPSH 2>> $logfile <<EOF
2396 #! /bin/sh
2397 EOF
2398 chmod +x $TMPSH >> $logfile 2>&1
2399 if ! $TMPSH >> $logfile 2>&1; then
2400     cat <<EOF
2401 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2402 variable to another directory and make sure that it is not mounted noexec.
2403 EOF
2404     die "Sanity test failed."
2405 fi
2406
2407 msvc_flags(){
2408     for flag; do
2409         case $flag in
2410             -fomit-frame-pointer) echo -Oy ;;
2411             -g)                   echo -Z7 ;;
2412             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2413                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2414                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2415                                        -wd4996 -wd4554 ;;
2416             -std=c99)             ;;
2417             -fno-math-errno)      ;;
2418             -fno-common)          ;;
2419             -fno-signed-zeros)    ;;
2420             -lz)                  echo zlib.lib ;;
2421             -lavifil32)           echo vfw32.lib ;;
2422             -lavicap32)           echo vfw32.lib user32.lib ;;
2423             -l*)                  echo ${flag#-l}.lib ;;
2424             *)                    echo $flag ;;
2425         esac
2426     done
2427 }
2428
2429 pgi_flags(){
2430     for flag; do
2431         case $flag in
2432             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;
2433             -fomit-frame-pointer) echo -Mnoframe ;;
2434             -g)                   echo -gopt ;;
2435             *)                    echo $flag ;;
2436         esac
2437     done
2438 }
2439
2440 suncc_flags(){
2441     for flag; do
2442         case $flag in
2443             -march=*|-mcpu=*)
2444                 case "${flag#*=}" in
2445                     native)                   echo -xtarget=native       ;;
2446                     v9|niagara)               echo -xarch=sparc          ;;
2447                     ultrasparc)               echo -xarch=sparcvis       ;;
2448                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2449                     i586|pentium)             echo -xchip=pentium        ;;
2450                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2451                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2452                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2453                     pentium4*)          echo -xtarget=pentium4           ;;
2454                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2455                     *-sse3)             echo -xarch=sse3                 ;;
2456                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
2457                     amdfam10|barcelona|bdver*) echo -xarch=sse4_1        ;;
2458                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2459                     k8|opteron|athlon64|athlon-fx)
2460                                               echo -xarch=sse2a          ;;
2461                     athlon*)                  echo -xarch=pentium_proa   ;;
2462                 esac
2463                 ;;
2464             -std=c99)             echo -xc99              ;;
2465             -fomit-frame-pointer) echo -xregs=frameptr    ;;
2466             -fPIC)                echo -KPIC -xcode=pic32 ;;
2467             -W*,*)                echo $flag              ;;
2468             -f*-*|-W*)                                    ;;
2469             *)                    echo $flag              ;;
2470         esac
2471     done
2472 }
2473
2474 tms470_flags(){
2475     for flag; do
2476         case $flag in
2477             -march=*|-mcpu=*)
2478                 case "${flag#*=}" in
2479                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
2480                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
2481                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
2482                     armv6*|arm11*)          echo -mv=6   ;;
2483                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2484                                             echo -mv=5e  ;;
2485                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2486                 esac
2487                 ;;
2488             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2489             -mfpu=vfp)      echo --float_support=vfpv2        ;;
2490             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2491             -msoft-float)   echo --float_support=vfplib       ;;
2492             -O[0-3]|-mf=*)  echo $flag                        ;;
2493             -g)             echo -g -mn                       ;;
2494             -pds=*)         echo $flag                        ;;
2495             -D*|-I*)        echo $flag                        ;;
2496             --gcc|--abi=*)  echo $flag                        ;;
2497             -me)            echo $flag                        ;;
2498         esac
2499     done
2500 }
2501
2502 probe_cc(){
2503     pfx=$1
2504     _cc=$2
2505
2506     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2507     unset _ld_o _ldflags _ld_lib _ld_path
2508     unset _depflags _DEPCMD _DEPFLAGS
2509     _flags_filter=echo
2510
2511     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2512         _type=llvm_gcc
2513         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2514         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2515         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2516         _cflags_speed='-O3'
2517         _cflags_size='-Os'
2518     elif $_cc -v 2>&1 | grep -qi ^gcc; then
2519         _type=gcc
2520         gcc_version=$($_cc --version | head -n1)
2521         gcc_basever=$($_cc -dumpversion)
2522         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2523         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2524         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2525         if ! $_cc -dumpversion | grep -q '^2\.'; then
2526             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2527         fi
2528         _cflags_speed='-O3'
2529         _cflags_size='-Os'
2530     elif $_cc --version 2>/dev/null | grep -q Intel; then
2531         _type=icc
2532         _ident=$($_cc --version | head -n1)
2533         _depflags='-MMD'
2534         _cflags_speed='-O3'
2535         _cflags_size='-Os'
2536         _cflags_noopt='-O1'
2537     elif $_cc -v 2>&1 | grep -q xlc; then
2538         _type=xlc
2539         _ident=$($_cc -qversion 2>/dev/null | head -n1)
2540         _cflags_speed='-O5'
2541         _cflags_size='-O5 -qcompact'
2542     elif $_cc -V 2>/dev/null | grep -q Compaq; then
2543         _type=ccc
2544         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2545         _DEPFLAGS='-M'
2546         debuglevel=3
2547         _ldflags='-Wl,-z,now' # calls to libots crash without this
2548         _cflags_speed='-fast'
2549         _cflags_size='-O1'
2550     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2551         test -d "$sysroot" || die "No valid sysroot specified."
2552         _type=armcc
2553         _ident=$($_cc --vsn | head -n1)
2554         armcc_conf="$PWD/armcc.conf"
2555         $_cc --arm_linux_configure                 \
2556              --arm_linux_config_file="$armcc_conf" \
2557              --configure_sysroot="$sysroot"        \
2558              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2559              die "Error creating armcc configuration file."
2560         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2561         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2562         as_default="${cross_prefix}gcc"
2563         _depflags='-MMD'
2564         _cflags_speed='-O3'
2565         _cflags_size='-Os'
2566     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2567         _type=tms470
2568         _ident=$($_cc -version | head -n1 | tr -s ' ')
2569         _flags='--gcc --abi=eabi -me'
2570         _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2571         _cc_e='-ppl -fe=$@'
2572         _cc_o='-fe=$@'
2573         as_default="${cross_prefix}gcc"
2574         ld_default="${cross_prefix}gcc"
2575         _depflags='-ppa -ppd=$(@:.o=.d)'
2576         _cflags_speed='-O3 -mf=5'
2577         _cflags_size='-O3 -mf=2'
2578         _flags_filter=tms470_flags
2579     elif $_cc -v 2>&1 | grep -q clang; then
2580         _type=clang
2581         _ident=$($_cc --version | head -n1)
2582         _depflags='-MMD'
2583         _cflags_speed='-O3'
2584         _cflags_size='-Os'
2585     elif $_cc -V 2>&1 | grep -q Sun; then
2586         _type=suncc
2587         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2588         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2589         _DEPFLAGS='-xM1 -xc99'
2590         _ldflags='-std=c99'
2591         _cflags_speed='-O5'
2592         _cflags_size='-O5 -xspace'
2593         _flags_filter=suncc_flags
2594     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2595         _type=pathscale
2596         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2597         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2598         _cflags_speed='-O2'
2599         _cflags_size='-Os'
2600         _flags_filter='filter_out -Wdisabled-optimization'
2601     elif $_cc -v 2>&1 | grep -q Open64; then
2602         _type=open64
2603         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2604         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2605         _cflags_speed='-O2'
2606         _cflags_size='-Os'
2607         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2608     elif $_cc -V 2>&1 | grep -q Portland; then
2609         _type=pgi
2610         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2611         opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2612         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2613         _cflags_size="-O2 -Munroll=c:1 $opt_common"
2614         _cflags_noopt="-O1"
2615         _flags_filter=pgi_flags
2616     elif $_cc 2>&1 | grep -q Microsoft; then
2617         _type=msvc
2618         _ident=$($cc 2>&1 | head -n1)
2619         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2620         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2621         _cflags_speed="-O2"
2622         _cflags_size="-O1"
2623         # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2624         if $_cc 2>&1 | grep -q Linker; then
2625             _ld_o='-out $@'
2626         else
2627             _ld_o='-Fe$@'
2628         fi
2629         _cc_o='-Fo $@'
2630         _cc_e='-P -Fi $@'
2631         _flags_filter=msvc_flags
2632         _ld_lib='lib%.a'
2633         _ld_path='-libpath:'
2634         _flags='-nologo'
2635         _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2636         if [ $pfx = hostcc ]; then
2637             append _cflags -Dsnprintf=_snprintf
2638         fi
2639         disable stripping
2640     fi
2641
2642     eval ${pfx}_type=\$_type
2643     eval ${pfx}_ident=\$_ident
2644 }
2645
2646 set_ccvars(){
2647     eval ${1}_C=\${_cc_c-\${${1}_C}}
2648     eval ${1}_E=\${_cc_e-\${${1}_E}}
2649     eval ${1}_O=\${_cc_o-\${${1}_O}}
2650
2651     if [ -n "$_depflags" ]; then
2652         eval ${1}_DEPFLAGS=\$_depflags
2653     else
2654         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2655         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2656         eval DEP${1}FLAGS=\$_flags
2657     fi
2658 }
2659
2660 probe_cc cc "$cc"
2661 cflags_filter=$_flags_filter
2662 cflags_speed=$_cflags_speed
2663 cflags_size=$_cflags_size
2664 cflags_noopt=$_cflags_noopt
2665 add_cflags $_flags $_cflags
2666 cc_ldflags=$_ldflags
2667 set_ccvars CC
2668
2669 probe_cc hostcc "$host_cc"
2670 host_cflags_filter=$_flags_filter
2671 add_host_cflags  $_flags $_cflags
2672 set_ccvars HOSTCC
2673
2674 test -n "$cc_type" && enable $cc_type ||
2675     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2676
2677 : ${as_default:=$cc}
2678 : ${dep_cc_default:=$cc}
2679 : ${ld_default:=$cc}
2680 : ${host_ld_default:=$host_cc}
2681 set_default ar as dep_cc ld host_ld
2682
2683 probe_cc as "$as"
2684 asflags_filter=$_flags_filter
2685 add_asflags $_flags $_cflags
2686 set_ccvars AS
2687
2688 probe_cc ld "$ld"
2689 ldflags_filter=$_flags_filter
2690 add_ldflags $_flags $_ldflags
2691 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2692 LD_O=${_ld_o-$LD_O}
2693 LD_LIB=${_ld_lib-$LD_LIB}
2694 LD_PATH=${_ld_path-$LD_PATH}
2695
2696 probe_cc hostld "$host_ld"
2697 host_ldflags_filter=$_flags_filter
2698 add_host_ldflags $_flags $_ldflags
2699 HOSTLD_O=${_ld_o-$HOSTLD_O}
2700
2701 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2702     probe_cc depcc "$dep_cc"
2703     CCDEP=${_DEPCMD:-$DEPCMD}
2704     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2705     DEPCCFLAGS=$_flags
2706 fi
2707
2708 if $ar 2>&1 | grep -q Microsoft; then
2709     arflags="-nologo"
2710     ar_o='-out:$@'
2711 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2712     arflags="rq"
2713     ar_o='$@'
2714 else
2715     arflags="rc"
2716     ar_o='$@'
2717 fi
2718
2719 add_cflags $extra_cflags
2720 add_cxxflags $extra_cxxflags
2721 add_asflags $extra_cflags
2722
2723 if test -n "$sysroot"; then
2724     case "$cc_type" in
2725         gcc|llvm_gcc|clang)
2726             add_cppflags --sysroot="$sysroot"
2727             add_ldflags --sysroot="$sysroot"
2728         ;;
2729         tms470)
2730             add_cppflags -I"$sysinclude"
2731             add_ldflags  --sysroot="$sysroot"
2732         ;;
2733     esac
2734 fi
2735
2736 if test "$cpu" = host; then
2737     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2738
2739     case "$cc_type" in
2740         gcc|llvm_gcc)
2741             check_native(){
2742                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2743                 sed -n "/cc1.*$1=/{
2744                             s/.*$1=\\([^ ]*\\).*/\\1/
2745                             p
2746                             q
2747                         }" $TMPE
2748             }
2749             cpu=$(check_native -march || check_native -mcpu)
2750         ;;
2751     esac
2752
2753     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2754 fi
2755
2756 # Deal with common $arch aliases
2757 case "$arch" in
2758     arm*|iPad*)
2759         arch="arm"
2760     ;;
2761     mips|mipsel|IP*)
2762         arch="mips"
2763     ;;
2764     mips64*)
2765         arch="mips"
2766         subarch="mips64"
2767     ;;
2768     parisc|hppa)
2769         arch="parisc"
2770     ;;
2771     parisc64|hppa64)
2772         arch="parisc"
2773         subarch="parisc64"
2774     ;;
2775     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2776         arch="ppc"
2777     ;;
2778     s390|s390x)
2779         arch="s390"
2780     ;;
2781     sh4|sh)
2782         arch="sh4"
2783     ;;
2784     sun4u|sparc64)
2785         arch="sparc"
2786         subarch="sparc64"
2787     ;;
2788     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2789         arch="x86"
2790     ;;
2791 esac
2792
2793 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2794 enable $arch
2795
2796 # Add processor-specific flags
2797 if test "$cpu" = generic; then
2798     : do nothing
2799 elif enabled ppc; then
2800
2801     case $(tolower $cpu) in
2802         601|ppc601|powerpc601)
2803             cpuflags="-mcpu=601"
2804             disable altivec
2805         ;;
2806         603*|ppc603*|powerpc603*)
2807             cpuflags="-mcpu=603"
2808             disable altivec
2809         ;;
2810         604*|ppc604*|powerpc604*)
2811             cpuflags="-mcpu=604"
2812             disable altivec
2813         ;;
2814         g3|75*|ppc75*|powerpc75*)
2815             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2816             disable altivec
2817         ;;
2818         g4|745*|ppc745*|powerpc745*)
2819             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2820         ;;
2821         74*|ppc74*|powerpc74*)
2822             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2823         ;;
2824         g5|970|ppc970|powerpc970)
2825             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2826         ;;
2827         power[3-7]*)
2828             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2829         ;;
2830         cell)
2831             cpuflags="-mcpu=cell"
2832             enable ldbrx
2833         ;;
2834         e500mc)
2835             cpuflags="-mcpu=e500mc"
2836             disable altivec
2837         ;;
2838         e500v2)
2839             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2840             disable altivec
2841         ;;
2842         e500)
2843             cpuflags="-mcpu=8540 -mhard-float"
2844             disable altivec
2845         ;;
2846     esac
2847
2848 elif enabled x86; then
2849
2850     case $cpu in
2851         i[345]86|pentium)
2852             cpuflags="-march=$cpu"
2853             disable mmx
2854         ;;
2855         # targets that do NOT support conditional mov (cmov)
2856         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2857             cpuflags="-march=$cpu"
2858             disable cmov
2859         ;;
2860         # targets that do support conditional mov (cmov)
2861         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
2862             cpuflags="-march=$cpu"
2863             enable cmov
2864             enable fast_cmov
2865         ;;
2866         # targets that do support conditional mov but on which it's slow
2867         pentium4|pentium4m|prescott|nocona)
2868             cpuflags="-march=$cpu"
2869             enable cmov
2870             disable fast_cmov
2871         ;;
2872     esac
2873
2874 elif enabled sparc; then
2875
2876     case $cpu in
2877         niagara)
2878             cpuflags="-mcpu=$cpu"
2879             disable vis
2880         ;;
2881         sparc64)
2882             cpuflags="-mcpu=v9"
2883         ;;
2884     esac
2885
2886 elif enabled arm; then
2887
2888     case $cpu in
2889         armv*)
2890             cpuflags="-march=$cpu"
2891             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2892         ;;
2893         *)
2894             cpuflags="-mcpu=$cpu"
2895             case $cpu in
2896                 cortex-a*)                               subarch=armv7a  ;;
2897                 cortex-r*)                               subarch=armv7r  ;;
2898                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2899                 arm11*)                                  subarch=armv6   ;;
2900                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2901                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2902             esac
2903         ;;
2904     esac
2905
2906 elif enabled alpha; then
2907
2908     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2909
2910 elif enabled bfin; then
2911
2912     cpuflags="-mcpu=$cpu"
2913
2914 elif enabled mips; then
2915
2916     cpuflags="-march=$cpu"
2917
2918     case $cpu in
2919         24kc)
2920             disable mipsfpu
2921             disable mipsdspr1
2922             disable mipsdspr2
2923         ;;
2924         24kf*)
2925             disable mipsdspr1
2926             disable mipsdspr2
2927         ;;
2928         24kec|34kc|1004kc)
2929             disable mipsfpu
2930             disable mipsdspr2
2931         ;;
2932         24kef*|34kf*|1004kf*)
2933             disable mipsdspr2
2934         ;;
2935         74kc)
2936             disable mipsfpu
2937         ;;
2938     esac
2939
2940 elif enabled avr32; then
2941
2942     case $cpu in
2943         ap7[02]0[0-2])
2944             subarch="avr32_ap"
2945             cpuflags="-mpart=$cpu"
2946         ;;
2947         ap)
2948             subarch="avr32_ap"
2949             cpuflags="-march=$cpu"
2950         ;;
2951         uc3[ab]*)
2952             subarch="avr32_uc"
2953             cpuflags="-mcpu=$cpu"
2954         ;;
2955         uc)
2956             subarch="avr32_uc"
2957             cpuflags="-march=$cpu"
2958         ;;
2959     esac
2960
2961 fi
2962
2963 add_cflags $cpuflags
2964 add_asflags $cpuflags
2965
2966 # compiler sanity check
2967 check_exec <<EOF
2968 int main(void){ return 0; }
2969 EOF
2970 if test "$?" != 0; then
2971     echo "$cc is unable to create an executable file."
2972     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2973         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2974         echo "Only do this if you know what cross compiling means."
2975     fi
2976     die "C compiler test failed."
2977 fi
2978
2979 add_cppflags -D_ISOC99_SOURCE
2980 add_cxxflags -D__STDC_CONSTANT_MACROS
2981 check_cflags -std=c99
2982 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2983 #include <stdlib.h>
2984 EOF
2985 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2986 #include <stdlib.h>
2987 EOF
2988
2989 check_host_cflags -std=c99
2990 check_host_cflags -Wall
2991
2992 case "$arch" in
2993     alpha|ia64|mips|parisc|sparc)
2994         spic=$shared
2995     ;;
2996     x86)
2997         subarch="x86_32"
2998         check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2999         if test "$subarch" = "x86_64"; then
3000             spic=$shared
3001         fi
3002     ;;
3003     ppc)
3004         check_cc <<EOF && subarch="ppc64"
3005         int test[(int)sizeof(char*) - 7];
3006 EOF
3007     ;;
3008 esac
3009
3010 enable $subarch
3011 enabled spic && enable pic
3012
3013 # OS specific
3014 case $target_os in
3015     haiku)
3016         prefix_default="/boot/common"
3017         network_extralibs="-lnetwork"
3018         host_libs=
3019         ;;
3020     sunos)
3021         FFSERVERLDFLAGS=""
3022         SHFLAGS='-shared -Wl,-h,$$(@F)'
3023         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3024         network_extralibs="-lsocket -lnsl"
3025         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3026         # When using suncc to build, the Solaris linker will mark
3027         # an executable with each instruction set encountered by
3028         # the Solaris assembler.  As our libraries contain their own
3029         # guards for processor-specific code, instead suppress
3030         # generation of the HWCAPS ELF section on Solaris x86 only.
3031         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
3032         nm_default='nm -P -g'
3033         ;;
3034     netbsd)
3035         disable symver
3036         oss_indev_extralibs="-lossaudio"
3037         oss_outdev_extralibs="-lossaudio"
3038         enabled gcc || check_ldflags -Wl,-zmuldefs
3039         ;;
3040     openbsd|bitrig)
3041         # On OpenBSD 4.5. the compiler does not use PIC unless
3042         # explicitly using -fPIC. FFmpeg builds fine without PIC,
3043         # however the generated executable will not do anything
3044         # (simply quits with exit-code 1, no crash, no output).
3045         # Thus explicitly enable PIC here.
3046         enable pic
3047         disable symver
3048         SHFLAGS='-shared'
3049         SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
3050         SLIB_INSTALL_LINKS=
3051         oss_indev_extralibs="-lossaudio"
3052         oss_outdev_extralibs="-lossaudio"
3053         ;;
3054     dragonfly)
3055         disable symver
3056         ;;
3057     freebsd)
3058         ;;
3059     bsd/os)
3060         add_extralibs -lpoll -lgnugetopt
3061         strip="strip -d"
3062         ;;
3063     darwin)
3064         gas="gas-preprocessor.pl $cc"
3065         enabled ppc && add_asflags -force_cpusubtype_ALL
3066         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3067         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3068         strip="${strip} -x"
3069         add_ldflags -Wl,-dynamic,-search_paths_first
3070         SLIBSUF=".dylib"
3071         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3072         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3073         FFSERVERLDFLAGS=-Wl,-bind_at_load
3074         objformat="macho"
3075         enabled x86_64 && objformat="macho64"
3076         enabled_any pic shared ||
3077             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3078         ;;
3079     mingw32*)
3080         if test $target_os = "mingw32ce"; then
3081             disable network
3082         else
3083             target_os=mingw32
3084         fi
3085         LIBTARGET=i386
3086         if enabled x86_64; then
3087             LIBTARGET="i386:x86-64"
3088         elif enabled arm; then
3089             LIBTARGET=arm-wince
3090         fi
3091         shlibdir_default="$bindir_default"
3092         SLIBPREF=""
3093         SLIBSUF=".dll"
3094         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3095         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3096         dlltool="${cross_prefix}dlltool"
3097         if check_cmd lib.exe -list; then
3098             SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3099             if enabled x86_64; then
3100                 LIBTARGET=x64
3101             fi
3102         elif check_cmd $dlltool --version; then
3103             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3104         fi
3105         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3106         SLIB_INSTALL_LINKS=
3107         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3108         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3109         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3110         objformat="win32"
3111         ranlib=:
3112         enable dos_paths
3113         add_cppflags -U__STRICT_ANSI__
3114         ;;
3115     cygwin*)
3116         target_os=cygwin
3117         shlibdir_default="$bindir_default"
3118         SLIBPREF="cyg"
3119         SLIBSUF=".dll"
3120         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3121         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3122         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3123         SLIB_INSTALL_LINKS=
3124         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3125         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3126         objformat="win32"
3127         enable dos_paths
3128         add_cppflags -U__STRICT_ANSI__
3129         ;;
3130     *-dos|freedos|opendos)
3131         network_extralibs="-lsocket"
3132         objformat="coff"
3133         enable dos_paths
3134         add_cppflags -U__STRICT_ANSI__
3135         ;;
3136     linux)
3137         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3138         enable dv1394
3139         ;;
3140     irix*)
3141         target_os=irix
3142         ranlib="echo ignoring ranlib"
3143         ;;
3144     os/2*)
3145         strip="lxlite -CS"
3146         ln_s="cp -f"
3147         objformat="aout"
3148         add_cppflags -D_GNU_SOURCE
3149         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3150         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3151         FFSERVERLDFLAGS=""
3152         LIBSUF="_s.a"
3153         SLIBPREF=""
3154         SLIBSUF=".dll"
3155         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3156         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3157         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3158             echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3159             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3160             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3161             echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3162             emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3163         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3164             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3165         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3166         enable dos_paths
3167         enable_weak os2threads
3168         ;;
3169     gnu/kfreebsd)
3170         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
3171         ;;
3172     gnu)
3173         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3174         ;;
3175     qnx)
3176         add_cppflags -D_QNX_SOURCE
3177         network_extralibs="-lsocket"
3178         ;;
3179     symbian)
3180         SLIBSUF=".dll"
3181         enable dos_paths
3182         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3183         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3184         add_ldflags -Wl,--target1-abs,--no-undefined \
3185                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3186                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3187         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3188                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3189                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3190         ;;
3191     none)
3192         ;;
3193     *)
3194         die "Unknown OS '$target_os'."
3195         ;;
3196 esac
3197
3198 # determine libc flavour
3199
3200 if check_cpp_condition features.h "defined __UCLIBC__"; then
3201     libc_type=uclibc
3202 elif check_cpp_condition features.h "defined __GLIBC__"; then
3203     libc_type=glibc
3204 elif check_header _mingw.h; then
3205     libc_type=mingw
3206     check_cpp_condition _mingw.h \
3207         "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3208             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3209         die "ERROR: MinGW runtime version must be >= 3.15."
3210     if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3211             __MINGW64_VERSION_MAJOR < 3"; then
3212         enable broken_snprintf
3213         add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3214     fi
3215 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3216     libc_type=newlib
3217 elif check_func_headers stdlib.h _get_doserrno; then
3218     libc_type=msvcrt
3219     enable broken_snprintf
3220     add_cflags -Dstrtod=avpriv_strtod
3221     add_cflags -Dsnprintf=avpriv_snprintf   \
3222                -D_snprintf=avpriv_snprintf  \
3223                -Dvsnprintf=avpriv_vsnprintf
3224 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3225     libc_type=klibc
3226 fi
3227
3228 test -n "$libc_type" && enable $libc_type
3229
3230 esc(){
3231     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3232 }
3233
3234 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3235
3236 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3237
3238 set_default $PATHS_LIST
3239 set_default nm
3240
3241 # we need to build at least one lib type
3242 if ! enabled_any static shared; then
3243     cat <<EOF
3244 At least one library type must be built.
3245 Specify --enable-static to build the static libraries or --enable-shared to
3246 build the shared libraries as well. To only build the shared libraries specify
3247 --disable-static in addition to --enable-shared.
3248 EOF
3249     exit 1;
3250 fi
3251
3252 die_license_disabled() {
3253     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3254 }
3255
3256 die_license_disabled_gpl() {
3257     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3258 }
3259
3260 die_license_disabled gpl libcdio
3261 die_license_disabled gpl libutvideo
3262 die_license_disabled gpl libx264
3263 die_license_disabled gpl libxavs
3264 die_license_disabled gpl libxvid
3265 die_license_disabled gpl x11grab
3266
3267 die_license_disabled nonfree libaacplus
3268 die_license_disabled nonfree libfaac
3269 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3270 enabled gpl && die_license_disabled_gpl nonfree openssl
3271
3272 die_license_disabled version3 libopencore_amrnb
3273 die_license_disabled version3 libopencore_amrwb
3274 die_license_disabled version3 libvo_aacenc
3275 die_license_disabled version3 libvo_amrwbenc
3276
3277 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3278
3279 disabled optimizations || check_cflags -fomit-frame-pointer
3280
3281 enable_pic() {
3282     enable pic
3283     add_cppflags -DPIC
3284     add_cflags   -fPIC
3285     add_asflags  -fPIC
3286 }
3287
3288 enabled pic && enable_pic
3289
3290 check_cc <<EOF || die "Symbol mangling check failed."
3291 int ff_extern;
3292 EOF
3293 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3294 extern_prefix=${sym%%ff_extern*}
3295
3296 check_cc <<EOF && enable_weak inline_asm
3297 void foo(void) { __asm__ volatile ("" ::); }
3298 EOF
3299
3300 _restrict=
3301 for restrict_keyword in restrict __restrict__ __restrict; do
3302     check_cc <<EOF && _restrict=$restrict_keyword && break
3303 void foo(char * $restrict_keyword p);
3304 EOF
3305 done
3306
3307 check_cc <<EOF && enable attribute_packed
3308 struct { int x; } __attribute__((packed)) x;
3309 EOF
3310
3311 check_cc <<EOF && enable attribute_may_alias
3312 union { int x; } __attribute__((may_alias)) x;
3313 EOF
3314
3315 check_cc <<EOF || die "endian test failed"
3316 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3317 EOF
3318 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3319
3320 if enabled alpha; then
3321
3322     check_cflags -mieee
3323
3324 elif enabled arm; then
3325
3326     enabled thumb && check_cflags -mthumb || check_cflags -marm
3327     nogas=die
3328
3329     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3330         enable vfp_args
3331     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3332         case "${cross_prefix:-$cc}" in
3333             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
3334             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3335 __asm__ (".eabi_attribute 28, 1");
3336 int main(void) { return 0; }
3337 EOF
3338         esac
3339         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3340     fi
3341
3342     enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
3343     enabled armv6   && check_inline_asm armv6   '"sadd16 r0, r0, r0"'
3344     enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
3345     enabled armvfp  && check_inline_asm armvfp  '"fadds s0, s0, s0"'
3346     enabled neon    && check_inline_asm neon    '"vadd.i16 q0, q0, q0"'
3347     enabled vfpv3   && check_inline_asm vfpv3   '"vmov.f32 s0, #1.0"'
3348
3349     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3350     check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3351
3352     enabled_all armv6t2 shared !pic && enable_pic
3353
3354 elif enabled mips; then
3355
3356     check_inline_asm loongson '"dmult.g $1, $2, $3"'
3357     enabled mmi && check_inline_asm mmi '"lq $2, 0($2)"'
3358     enabled mips32r2  && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3359      check_inline_asm mips32r2  '"rotr $t0, $t1, 1"'
3360     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3361      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3362     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3363      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3364     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3365      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
3366
3367 elif enabled ppc; then
3368
3369     enable local_aligned_8 local_aligned_16
3370
3371     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3372     check_inline_asm ibm_asm   '"add 0, 0, 0"'
3373     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'
3374     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3375
3376     # AltiVec flags: The FSF version of GCC differs from the Apple version
3377     if enabled altivec; then
3378         nogas=warn
3379         check_cflags -maltivec -mabi=altivec &&
3380         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3381         check_cflags -faltivec
3382
3383         # check if our compiler supports Motorola AltiVec C API
3384         check_cc <<EOF || disable altivec
3385 $inc_altivec_h
3386 int main(void) {
3387     vector signed int v1 = (vector signed int) { 0 };
3388     vector signed int v2 = (vector signed int) { 1 };
3389     v1 = vec_add(v1, v2);
3390     return 0;
3391 }
3392 EOF
3393
3394         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3395     fi
3396
3397 elif enabled sparc; then
3398
3399     enabled vis &&
3400         check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3401             add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3402
3403 elif enabled x86; then
3404
3405     check_code ld intrin.h "__rdtsc()" "cc" && enable rdtsc
3406
3407     check_code ld mmintrin.h "_mm_empty()" "cc" && enable mm_empty
3408
3409     enable local_aligned_8 local_aligned_16
3410
3411     # check whether EBP is available on x86
3412     # As 'i' is stored on the stack, this program will crash
3413     # if the base pointer is used to access it because the
3414     # base pointer is cleared in the inline assembly code.
3415     check_exec_crash <<EOF && enable ebp_available
3416 volatile int i=0;
3417 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3418 return i;
3419 EOF
3420
3421     # check whether EBX is available on x86
3422     check_inline_asm ebx_available '""::"b"(0)' &&
3423         check_inline_asm ebx_available '"":::"%ebx"'
3424
3425     # check whether xmm clobbers are supported
3426     check_inline_asm xmm_clobbers '"":::"%xmm0"'
3427
3428     # check whether binutils is new enough to compile SSSE3/MMXEXT
3429     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'
3430     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3431
3432     if ! disabled_any asm mmx yasm; then
3433         if check_cmd $yasmexe --version; then
3434             enabled x86_64 && yasm_extra="-m amd64"
3435             yasm_debug="-g dwarf2"
3436         elif check_cmd nasm -v; then
3437             yasmexe=nasm
3438             yasm_debug="-g -F dwarf"
3439             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3440         fi
3441
3442         YASMFLAGS="-f $objformat $yasm_extra"
3443         enabled pic               && append YASMFLAGS "-DPIC"
3444         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3445         case "$objformat" in
3446             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3447         esac
3448
3449         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3450             die "yasm not found, use --disable-yasm for a crippled build"
3451         check_yasm "vextractf128 xmm0, ymm0, 0"      || disable avx_external
3452         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3453         check_yasm "CPU amdnop" && enable cpunop
3454     fi
3455
3456     case "$cpu" in
3457         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3458             disable fast_clz
3459         ;;
3460     esac
3461
3462 fi
3463
3464 if enabled asm; then
3465     as=${gas:=$as}
3466     check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3467         $nogas "GNU assembler not found, install gas-preprocessor"
3468 fi
3469
3470 check_ldflags -Wl,--as-needed
3471
3472 if check_func dlopen; then
3473     ldl=
3474 elif check_func dlopen -ldl; then
3475     ldl=-ldl
3476 fi
3477
3478 if enabled network; then
3479     check_type "sys/types.h sys/socket.h" socklen_t
3480     check_type netdb.h "struct addrinfo"
3481     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3482     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3483     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3484     check_type netinet/in.h "struct sockaddr_in6"
3485     check_type poll.h "struct pollfd"
3486     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3487     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3488     check_type netinet/sctp.h "struct sctp_event_subscribe"
3489     check_func getaddrinfo $network_extralibs
3490     # Prefer arpa/inet.h over winsock2
3491     if check_header arpa/inet.h ; then
3492         check_func closesocket
3493     elif check_header winsock2.h ; then
3494         check_func_headers winsock2.h closesocket -lws2 &&
3495             network_extralibs="-lws2" ||
3496         { check_func_headers winsock2.h closesocket -lws2_32 &&
3497             network_extralibs="-lws2_32"; }
3498         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3499         check_type ws2tcpip.h socklen_t
3500         check_type ws2tcpip.h "struct addrinfo"
3501         check_type ws2tcpip.h "struct group_source_req"
3502         check_type ws2tcpip.h "struct ip_mreq_source"
3503         check_type ws2tcpip.h "struct ipv6_mreq"
3504         check_type winsock2.h "struct pollfd"
3505         check_type ws2tcpip.h "struct sockaddr_in6"
3506         check_type ws2tcpip.h "struct sockaddr_storage"
3507         check_struct winsock2.h "struct sockaddr" sa_len
3508     else
3509         disable network
3510     fi
3511 fi
3512
3513 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3514 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3515
3516 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3517 check_func  fcntl
3518 check_func  fork
3519 check_func  gethrtime
3520 check_func  getopt
3521 check_func  getrusage
3522 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3523 check_func  gettimeofday
3524 check_func  inet_aton $network_extralibs
3525 check_func  isatty
3526 check_func  localtime_r
3527 check_func  ${malloc_prefix}memalign            && enable memalign
3528 check_func  mkstemp
3529 check_func  mmap
3530 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3531 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
3532 check_func  setrlimit
3533 check_func  strerror_r
3534 check_func  sched_getaffinity
3535 check_func  sysconf
3536 check_func  sysctl
3537 check_func  usleep
3538 check_func_headers conio.h kbhit
3539 check_func_headers windows.h PeekNamedPipe
3540 check_func_headers io.h setmode
3541 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3542 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3543 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3544 check_func_headers windows.h GetProcessAffinityMask
3545 check_func_headers windows.h GetProcessTimes
3546 check_func_headers windows.h GetSystemTimeAsFileTime
3547 check_func_headers windows.h MapViewOfFile
3548 check_func_headers windows.h Sleep
3549 check_func_headers windows.h VirtualAlloc
3550 check_func_headers glob.h glob
3551
3552 check_header direct.h
3553 check_header dlfcn.h
3554 check_header dxva.h
3555 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3556 check_header io.h
3557 check_header libcrystalhd/libcrystalhd_if.h
3558 check_header malloc.h
3559 check_header poll.h
3560 check_header sys/mman.h
3561 check_header sys/param.h
3562 check_header sys/resource.h
3563 check_header sys/select.h
3564 check_header sys/time.h
3565 check_header termios.h
3566 check_header unistd.h
3567 check_header vdpau/vdpau.h
3568 check_header vdpau/vdpau_x11.h
3569 check_header windows.h
3570 check_header X11/extensions/XvMClib.h
3571 check_header asm/types.h
3572
3573 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3574 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3575
3576 # check for VDA header
3577 if ! disabled vda && ! enabled ppc; then
3578     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3579         enable vda
3580         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3581     fi
3582 fi
3583
3584 if ! disabled w32threads && ! enabled pthreads; then
3585     check_func _beginthreadex && enable w32threads
3586 fi
3587
3588 # check for some common methods of building with pthread support
3589 # do this before the optional library checks as some of them require pthreads
3590 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3591     enable pthreads
3592     if check_func pthread_create; then
3593         :
3594     elif check_func pthread_create -pthread; then
3595         add_cflags -pthread
3596         add_extralibs -pthread
3597     elif check_func pthread_create -pthreads; then
3598         add_cflags -pthreads
3599         add_extralibs -pthreads
3600     elif check_func pthread_create -lpthreadGC2; then
3601         add_extralibs -lpthreadGC2
3602     elif ! check_lib pthread.h pthread_create -lpthread; then
3603         disable pthreads
3604     fi
3605 fi
3606
3607 for thread in $THREADS_LIST; do
3608     if enabled $thread; then
3609         test -n "$thread_type" &&
3610             die "ERROR: Only one thread type must be selected." ||
3611             thread_type="$thread"
3612     fi
3613 done
3614
3615 if enabled pthreads; then
3616   check_func pthread_cancel
3617 fi
3618
3619 check_lib math.h sin -lm && LIBM="-lm"
3620 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3621 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3622
3623 check_mathfunc cbrtf
3624 check_mathfunc exp2
3625 check_mathfunc exp2f
3626 check_mathfunc isinf
3627 check_mathfunc isnan
3628 check_mathfunc llrint
3629 check_mathfunc llrintf
3630 check_mathfunc log2
3631 check_mathfunc log2f
3632 check_mathfunc lrint
3633 check_mathfunc lrintf
3634 check_mathfunc rint
3635 check_mathfunc round
3636 check_mathfunc roundf
3637 check_mathfunc trunc
3638 check_mathfunc truncf
3639
3640 # these are off by default, so fail if requested and not available
3641 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3642 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3643 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3644 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3645 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
3646 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3647 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3648 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3649 enabled libcdio    && require2 libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3650 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3651                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3652                         die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
3653 enabled libcaca    && require_pkg_config caca caca.h caca_create_canvas
3654 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3655 enabled libfdk_aac && require  libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3656 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"
3657 enabled libflite   && require2 libflite "flite/flite.h" flite_init $flite_libs
3658 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3659 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3660 enabled libilbc    && require  libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3661 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3662 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3663 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3664 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3665 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3666 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3667 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3668 enabled libopus    && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3669 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3670 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3671 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3672 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3673 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3674     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3675     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3676 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3677 enabled libtwolame && require  libtwolame twolame.h twolame_init -ltwolame &&
3678                       { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
3679                         die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
3680 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3681 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3682 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3683 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3684 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3685 enabled libvpx     && {
3686     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3687                                 die "ERROR: libvpx decoder must be installed and version must be >=0.9.1"; }
3688     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
3689                                 die "ERROR: libvpx encoder version must be >=0.9.7"; } }
3690 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3691                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3692                         die "ERROR: libx264 must be installed and version must be >= 0.118."; }
3693 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3694 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3695 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3696                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3697                         die "ERROR: openal not found"; } &&
3698                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3699                         die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
3700 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3701                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3702                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3703                         die "ERROR: openssl not found"; }
3704
3705 if enabled gnutls; then
3706     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3707     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3708 fi
3709
3710 # libdc1394 check
3711 if enabled libdc1394; then
3712     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3713         enable libdc1394_2; } ||
3714     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3715         enable libdc1394_1; } ||
3716     die "ERROR: No version of libdc1394 found "
3717 fi
3718
3719 SDL_CONFIG="${cross_prefix}sdl-config"
3720 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3721     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3722     enable sdl &&
3723     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3724 else
3725   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3726     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3727     sdl_libs=$("${SDL_CONFIG}" --libs)
3728     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3729     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3730     enable sdl &&
3731     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3732   fi
3733 fi
3734 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3735
3736 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
3737 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3738 perl --version > /dev/null 2>&1 && enable perl || disable perl
3739 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
3740
3741 check_header linux/fb.h
3742 check_header linux/videodev.h
3743 check_header linux/videodev2.h
3744 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3745
3746 check_header sys/videoio.h
3747
3748 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3749 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3750 # w32api 3.12 had it defined wrong
3751 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3752
3753 check_type "dshow.h" IBaseFilter
3754
3755 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3756 { check_header dev/bktr/ioctl_meteor.h &&
3757   check_header dev/bktr/ioctl_bt848.h; } ||
3758 { check_header machine/ioctl_meteor.h &&
3759   check_header machine/ioctl_bt848.h; } ||
3760 { check_header dev/video/meteor/ioctl_meteor.h &&
3761   check_header dev/video/bktr/ioctl_bt848.h; } ||
3762 check_header dev/ic/bt8xx.h
3763
3764 check_header sndio.h
3765 if check_struct sys/soundcard.h audio_buf_info bytes; then
3766     enable_safe sys/soundcard.h
3767 else
3768     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3769     #include <sys/soundcard.h>
3770     audio_buf_info abc;
3771 EOF
3772 fi
3773 check_header soundcard.h
3774
3775 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3776
3777 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
3778     check_func jack_port_get_latency_range -ljack
3779
3780 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3781
3782 enabled x11grab                                           &&
3783 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3784 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3785 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3786
3787 if ! disabled vaapi; then
3788     check_lib va/va.h vaInitialize -lva && {
3789         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3790         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3791     } || disable vaapi
3792 fi
3793
3794 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3795     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3796         { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." && disable vdpau; }
3797 fi
3798
3799 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3800 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3801 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"
3802
3803 # add some useful compiler flags if supported
3804 check_cflags -Wdeclaration-after-statement
3805 check_cflags -Wall
3806 check_cflags -Wno-parentheses
3807 check_cflags -Wno-switch
3808 check_cflags -Wno-format-zero-length
3809 check_cflags -Wdisabled-optimization
3810 check_cflags -Wpointer-arith
3811 check_cflags -Wredundant-decls
3812 check_cflags -Wno-pointer-sign
3813 check_cflags -Wwrite-strings
3814 check_cflags -Wtype-limits
3815 check_cflags -Wundef
3816 check_cflags -Wmissing-prototypes
3817 check_cflags -Wno-pointer-to-int-cast
3818 check_cflags -Wstrict-prototypes
3819 enabled extra_warnings && check_cflags -Winline
3820
3821 # add some linker flags
3822 check_ldflags -Wl,--warn-common
3823 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3824 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3825
3826 enabled xmm_clobber_test &&
3827     check_ldflags -Wl,--wrap,avcodec_open2              \
3828                   -Wl,--wrap,avcodec_decode_audio4      \
3829                   -Wl,--wrap,avcodec_decode_video2      \
3830                   -Wl,--wrap,avcodec_decode_subtitle2   \
3831                   -Wl,--wrap,avcodec_encode_audio2      \
3832                   -Wl,--wrap,avcodec_encode_video       \
3833                   -Wl,--wrap,avcodec_encode_subtitle    \
3834                   -Wl,--wrap,sws_scale ||
3835     disable xmm_clobber_test
3836
3837 echo "X{};" > $TMPV
3838 if test_ldflags -Wl,--version-script,$TMPV; then
3839     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3840     check_cc <<EOF && enable symver_asm_label
3841 void ff_foo(void) __asm__ ("av_foo@VERSION");
3842 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3843 EOF
3844     check_cc <<EOF && enable symver_gnu_asm
3845 __asm__(".symver ff_foo,av_foo@VERSION");
3846 void ff_foo(void) {}
3847 EOF
3848 fi
3849
3850 if [ -z "$optflags" ]; then
3851     if enabled small; then
3852         optflags=$cflags_size
3853     elif enabled optimizations; then
3854         optflags=$cflags_speed
3855     else
3856         optflags=$cflags_noopt
3857     fi
3858 fi
3859
3860 check_optflags(){
3861     check_cflags "$@"
3862     enabled lto && check_ldflags "$@"
3863 }
3864
3865
3866 if enabled lto; then
3867     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
3868     check_cflags  -flto
3869     check_ldflags -flto $cpuflags
3870 fi
3871
3872 check_optflags $optflags
3873 check_optflags -fno-math-errno
3874 check_optflags -fno-signed-zeros
3875
3876 enabled ftrapv && check_cflags -ftrapv
3877
3878 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3879 int x;
3880 EOF
3881
3882
3883 if enabled icc; then
3884     # Just warnings, no remarks
3885     check_cflags -w1
3886     # -wd: Disable following warnings
3887     # 144, 167, 556: -Wno-pointer-sign
3888     # 1292: attribute "foo" ignored
3889     # 1419: external declaration in primary source file
3890     # 10006: ignoring unknown option -fno-signed-zeros
3891     # 10148: ignoring unknown option -Wno-parentheses
3892     # 10156: ignoring option '-W'; no argument required
3893     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3894     # 11030: Warning unknown option --as-needed
3895     # 10156: ignoring option '-export'; no argument required
3896     check_ldflags -wd10156,11030
3897     # Allow to compile with optimizations
3898     check_ldflags -march=$cpu
3899     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3900     enable ebp_available
3901     if enabled x86_32; then
3902         icc_version=$($cc -dumpversion)
3903         test ${icc_version%%.*} -ge 11 &&
3904             check_cflags -falign-stack=maintain-16-byte ||
3905             disable aligned_stack
3906     fi
3907 elif enabled ccc; then
3908     # disable some annoying warnings
3909     add_cflags -msg_disable cvtu32to64
3910     add_cflags -msg_disable embedcomment
3911     add_cflags -msg_disable needconstext
3912     add_cflags -msg_disable nomainieee
3913     add_cflags -msg_disable ptrmismatch1
3914     add_cflags -msg_disable unreachcode
3915 elif enabled gcc; then
3916     check_optflags -fno-tree-vectorize
3917     check_cflags -Werror=implicit-function-declaration
3918     check_cflags -Werror=missing-prototypes
3919     check_cflags -Werror=vla
3920 elif enabled llvm_gcc; then
3921     check_cflags -mllvm -stack-alignment=16
3922 elif enabled clang; then
3923     check_cflags -mllvm -stack-alignment=16
3924     check_cflags -Qunused-arguments
3925 elif enabled armcc; then
3926     # 2523: use of inline assembler is deprecated
3927     add_cflags -W${armcc_opt},--diag_suppress=2523
3928     add_cflags -W${armcc_opt},--diag_suppress=1207
3929     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3930     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3931     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3932     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3933 elif enabled tms470; then
3934     add_cflags -pds=824 -pds=837
3935 elif enabled pathscale; then
3936     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3937 elif enabled msvc; then
3938     enabled x86_32 && disable aligned_stack
3939 fi
3940
3941 enabled_any $THREADS_LIST      && enable threads
3942
3943 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3944
3945 check_deps $CONFIG_LIST       \
3946            $CONFIG_EXTRA      \
3947            $HAVE_LIST         \
3948            $ALL_COMPONENTS    \
3949            $ALL_TESTS         \
3950
3951
3952 if test $target_os = "haiku"; then
3953     disable memalign
3954     disable posix_memalign
3955 fi
3956
3957 ! enabled_any memalign posix_memalign aligned_malloc &&
3958     enabled_any $need_memalign && enable memalign_hack
3959
3960 # add_dep lib dep
3961 # -> enable ${lib}_deps_${dep}
3962 # -> add $dep to ${lib}_deps only once
3963 add_dep() {
3964     lib=$1
3965     dep=$2
3966     enabled "${lib}_deps_${dep}" && return 0
3967     enable  "${lib}_deps_${dep}"
3968     prepend "${lib}_deps" $dep
3969 }
3970
3971 # merge deps lib components
3972 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3973 merge_deps() {
3974     lib=$1
3975     shift
3976     for comp in $*; do
3977         enabled $comp || continue
3978         eval "dep=\"\$${comp}_deps\""
3979         for d in $dep; do
3980             add_dep $lib $d
3981         done
3982     done
3983 }
3984
3985 merge_deps libavfilter $FILTER_LIST
3986
3987 echo "install prefix            $prefix"
3988 echo "source path               $source_path"
3989 echo "C compiler                $cc"
3990 echo "ARCH                      $arch ($cpu)"
3991 if test "$build_suffix" != ""; then
3992     echo "build suffix              $build_suffix"
3993 fi
3994 if test "$progs_suffix" != ""; then
3995     echo "progs suffix              $progs_suffix"
3996 fi
3997 if test "$extra_version" != ""; then
3998     echo "version string suffix     $extra_version"
3999 fi
4000 echo "big-endian                ${bigendian-no}"
4001 echo "runtime cpu detection     ${runtime_cpudetect-no}"
4002 if enabled x86; then
4003     echo "${yasmexe}                      ${yasm-no}"
4004     echo "MMX enabled               ${mmx-no}"
4005     echo "MMXEXT enabled            ${mmxext-no}"
4006     echo "3DNow! enabled            ${amd3dnow-no}"
4007     echo "3DNow! extended enabled   ${amd3dnowext-no}"
4008     echo "SSE enabled               ${sse-no}"
4009     echo "SSSE3 enabled             ${ssse3-no}"
4010     echo "AVX enabled               ${avx-no}"
4011     echo "FMA4 enabled              ${fma4-no}"
4012     echo "CMOV enabled              ${cmov-no}"
4013     echo "CMOV is fast              ${fast_cmov-no}"
4014     echo "EBX available             ${ebx_available-no}"
4015     echo "EBP available             ${ebp_available-no}"
4016 fi
4017 if enabled arm; then
4018     echo "ARMv5TE enabled           ${armv5te-no}"
4019     echo "ARMv6 enabled             ${armv6-no}"
4020     echo "ARMv6T2 enabled           ${armv6t2-no}"
4021     echo "ARM VFP enabled           ${armvfp-no}"
4022     echo "NEON enabled              ${neon-no}"
4023 fi
4024 if enabled mips; then
4025     echo "MMI enabled               ${mmi-no}"
4026     echo "MIPS FPU enabled          ${mipsfpu-no}"
4027     echo "MIPS32R2 enabled          ${mips32r2-no}"
4028     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
4029     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
4030 fi
4031 if enabled ppc; then
4032     echo "AltiVec enabled           ${altivec-no}"
4033     echo "PPC 4xx optimizations     ${ppc4xx-no}"
4034     echo "dcbzl available           ${dcbzl-no}"
4035 fi
4036 if enabled sparc; then
4037     echo "VIS enabled               ${vis-no}"
4038 fi
4039 echo "debug symbols             ${debug-no}"
4040 echo "strip symbols             ${stripping-no}"
4041 echo "optimize for size         ${small-no}"
4042 echo "optimizations             ${optimizations-no}"
4043 echo "static                    ${static-no}"
4044 echo "shared                    ${shared-no}"
4045 echo "postprocessing support    ${postproc-no}"
4046 echo "new filter support        ${avfilter-no}"
4047 echo "network support           ${network-no}"
4048 echo "threading support         ${thread_type-no}"
4049 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
4050 echo "SDL support               ${sdl-no}"
4051 echo "libdxva2 enabled          ${dxva2-no}"
4052 echo "libva enabled             ${vaapi-no}"
4053 echo "libvdpau enabled          ${vdpau-no}"
4054 echo "AVISynth enabled          ${avisynth-no}"
4055 echo "frei0r enabled            ${frei0r-no}"
4056 echo "gnutls enabled            ${gnutls-no}"
4057 echo "libaacplus enabled        ${libaacplus-no}"
4058 echo "libass enabled            ${libass-no}"
4059 echo "libcaca enabled           ${libcaca-no}"
4060 echo "libcdio support           ${libcdio-no}"
4061 echo "libcelt enabled           ${libcelt-no}"
4062 echo "libdc1394 support         ${libdc1394-no}"
4063 echo "libfaac enabled           ${libfaac-no}"
4064 echo "libfdk-aac enabled        ${libfdk_aac-no}"
4065 echo "libgsm enabled            ${libgsm-no}"
4066 echo "libiec61883 support       ${libiec61883-no}"
4067 echo "libilbc enabled           ${libilbc-no}"
4068 echo "libmodplug enabled        ${libmodplug-no}"
4069 echo "libmp3lame enabled        ${libmp3lame-no}"
4070 echo "libnut enabled            ${libnut-no}"
4071 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
4072 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
4073 echo "libopencv support         ${libopencv-no}"
4074 echo "libopenjpeg enabled       ${libopenjpeg-no}"
4075 echo "libopus enabled           ${libopus-no}"
4076 echo "libpulse enabled          ${libpulse-no}"
4077 echo "librtmp enabled           ${librtmp-no}"
4078 echo "libschroedinger enabled   ${libschroedinger-no}"
4079 echo "libspeex enabled          ${libspeex-no}"
4080 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
4081 echo "libtheora enabled         ${libtheora-no}"
4082 echo "libtwolame enabled        ${libtwolame-no}"
4083 echo "libutvideo enabled        ${libutvideo-no}"
4084 echo "libv4l2 enabled           ${libv4l2-no}"
4085 echo "libvo-aacenc support      ${libvo_aacenc-no}"
4086 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
4087 echo "libvorbis enabled         ${libvorbis-no}"
4088 echo "libvpx enabled            ${libvpx-no}"
4089 echo "libx264 enabled           ${libx264-no}"
4090 echo "libxavs enabled           ${libxavs-no}"
4091 echo "libxvid enabled           ${libxvid-no}"
4092 echo "openal enabled            ${openal-no}"
4093 echo "openssl enabled           ${openssl-no}"
4094 echo "zlib enabled              ${zlib-no}"
4095 echo "bzlib enabled             ${bzlib-no}"
4096 echo "texi2html enabled         ${texi2html-no}"
4097 echo "perl enabled              ${perl-no}"
4098 echo "pod2man enabled           ${pod2man-no}"
4099 echo "makeinfo enabled          ${makeinfo-no}"
4100 test -n "$random_seed" &&
4101     echo "random seed               ${random_seed}"
4102 echo
4103
4104 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4105     echo "Enabled ${type}s:"
4106     eval list=\$$(toupper $type)_LIST
4107     print_enabled '_*' $list | sort | pr -r -3 -t
4108     echo
4109 done
4110
4111 license="LGPL version 2.1 or later"
4112 if enabled nonfree; then
4113     license="nonfree and unredistributable"
4114 elif enabled gplv3; then
4115     license="GPL version 3 or later"
4116 elif enabled lgplv3; then
4117     license="LGPL version 3 or later"
4118 elif enabled gpl; then
4119     license="GPL version 2 or later"
4120 fi
4121
4122 echo "License: $license"
4123
4124 echo "Creating config.mak and config.h..."
4125
4126 test -e Makefile || $ln_s "$source_path/Makefile" .
4127
4128 enabled stripping || strip="echo skipping strip"
4129
4130 config_files="$TMPH config.mak"
4131
4132 cat > config.mak <<EOF
4133 # Automatically generated by configure - do not modify!
4134 ifndef FFMPEG_CONFIG_MAK
4135 FFMPEG_CONFIG_MAK=1
4136 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4137 prefix=$prefix
4138 LIBDIR=\$(DESTDIR)$libdir
4139 SHLIBDIR=\$(DESTDIR)$shlibdir
4140 INCDIR=\$(DESTDIR)$incdir
4141 BINDIR=\$(DESTDIR)$bindir
4142 DATADIR=\$(DESTDIR)$datadir
4143 MANDIR=\$(DESTDIR)$mandir
4144 SRC_PATH=$source_path
4145 ifndef MAIN_MAKEFILE
4146 SRC_PATH:=\$(SRC_PATH:.%=..%)
4147 endif
4148 CC_IDENT=$cc_ident
4149 ARCH=$arch
4150 CC=$cc
4151 CXX=$cxx
4152 AS=$as
4153 LD=$ld
4154 DEPCC=$dep_cc
4155 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4156 DEPAS=$as
4157 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4158 YASM=$yasmexe
4159 DEPYASM=$yasmexe
4160 AR=$ar
4161 ARFLAGS=$arflags
4162 AR_O=$ar_o
4163 RANLIB=$ranlib
4164 CP=cp -p
4165 LN_S=$ln_s
4166 STRIP=$strip
4167 CPPFLAGS=$CPPFLAGS
4168 CFLAGS=$CFLAGS
4169 CXXFLAGS=$CXXFLAGS
4170 ASFLAGS=$ASFLAGS
4171 AS_C=$AS_C
4172 AS_O=$AS_O
4173 CC_C=$CC_C
4174 CC_O=$CC_O
4175 CXX_C=$CXX_C
4176 CXX_O=$CXX_O
4177 LD_O=$LD_O
4178 LD_LIB=$LD_LIB
4179 LD_PATH=$LD_PATH
4180 DLLTOOL=$dlltool
4181 LDFLAGS=$LDFLAGS
4182 LDFLAGS-ffserver=$FFSERVERLDFLAGS
4183 SHFLAGS=$SHFLAGS
4184 YASMFLAGS=$YASMFLAGS
4185 BUILDSUF=$build_suffix
4186 PROGSSUF=$progs_suffix
4187 FULLNAME=$FULLNAME
4188 LIBPREF=$LIBPREF
4189 LIBSUF=$LIBSUF
4190 LIBNAME=$LIBNAME
4191 SLIBPREF=$SLIBPREF
4192 SLIBSUF=$SLIBSUF
4193 EXESUF=$EXESUF
4194 EXTRA_VERSION=$extra_version
4195 CCDEP=$CCDEP
4196 CXXDEP=$CXXDEP
4197 CCDEP_FLAGS=$CCDEP_FLAGS
4198 ASDEP=$ASDEP
4199 ASDEP_FLAGS=$ASDEP_FLAGS
4200 CC_DEPFLAGS=$CC_DEPFLAGS
4201 AS_DEPFLAGS=$AS_DEPFLAGS
4202 HOSTCC=$host_cc
4203 HOSTLD=$host_ld
4204 HOSTCFLAGS=$host_cflags
4205 HOSTEXESUF=$HOSTEXESUF
4206 HOSTLDFLAGS=$host_ldflags
4207 HOSTLIBS=$host_libs
4208 DEPHOSTCC=$host_cc
4209 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4210 HOSTCCDEP=$HOSTCCDEP
4211 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4212 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4213 HOSTCC_C=$HOSTCC_C
4214 HOSTCC_O=$HOSTCC_O
4215 HOSTLD_O=$HOSTLD_O
4216 TARGET_EXEC=$target_exec
4217 TARGET_PATH=$target_path
4218 LIBS-ffplay=$sdl_libs
4219 CFLAGS-ffplay=$sdl_cflags
4220 ZLIB=$($ldflags_filter -lz)
4221 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4222 EXTRALIBS=$extralibs
4223 INSTALL=$install
4224 LIBTARGET=${LIBTARGET}
4225 SLIBNAME=${SLIBNAME}
4226 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4227 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4228 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4229 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4230 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4231 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4232 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4233 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4234 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4235 NOREDZONE_FLAGS=$noredzone_flags
4236 EOF
4237
4238 get_version(){
4239     lcname=$1
4240     name=$(toupper $lcname)
4241     file=$source_path/$lcname/version.h
4242     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4243     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4244     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4245     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4246 }
4247
4248 get_version_old(){
4249     name=$1
4250     file=$source_path/$2
4251 # This condition will be removed when we stop supporting old libpostproc versions
4252 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
4253     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4254     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4255 fi
4256     lcname=$(tolower $name)
4257     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4258     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4259 }
4260
4261 get_version_old LIBPOSTPROC libpostproc/version.h
4262
4263 get_version libavcodec
4264 get_version libavdevice
4265 get_version libavfilter
4266 get_version libavformat
4267 get_version libavresample
4268 get_version libavutil
4269 get_version libswresample
4270 get_version libswscale
4271
4272 cat > $TMPH <<EOF
4273 /* Automatically generated by configure - do not modify! */
4274 #ifndef FFMPEG_CONFIG_H
4275 #define FFMPEG_CONFIG_H
4276 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4277 #define FFMPEG_LICENSE "$(c_escape $license)"
4278 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4279 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4280 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4281 #define av_restrict $_restrict
4282 #define EXTERN_PREFIX "${extern_prefix}"
4283 #define EXTERN_ASM ${extern_prefix}
4284 #define SLIBSUF "$SLIBSUF"
4285 #define HAVE_MMX2 HAVE_MMXEXT
4286 EOF
4287
4288 test -n "$assert_level" &&
4289     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4290
4291 test -n "$malloc_prefix" &&
4292     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4293
4294 if enabled yasm; then
4295     append config_files $TMPASM
4296     printf '' >$TMPASM
4297 fi
4298
4299 print_config ARCH_   "$config_files" $ARCH_LIST
4300 print_config HAVE_   "$config_files" $HAVE_LIST
4301 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
4302                                      $CONFIG_EXTRA      \
4303                                      $ALL_COMPONENTS    \
4304
4305 cat >>config.mak <<EOF
4306 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
4307 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
4308 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
4309 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
4310 EOF
4311
4312 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4313 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4314
4315 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4316 cp_if_changed $TMPH config.h
4317 touch .config
4318
4319 enabled yasm && cp_if_changed $TMPASM config.asm
4320
4321 cat > $TMPH <<EOF
4322 /* Generated by ffconf */
4323 #ifndef AVUTIL_AVCONFIG_H
4324 #define AVUTIL_AVCONFIG_H
4325 EOF
4326
4327 test "$postproc_version" != current && cat >> $TMPH <<EOF
4328 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
4329 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
4330 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
4331 EOF
4332
4333 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4334
4335 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4336
4337 cp_if_changed $TMPH libavutil/avconfig.h
4338
4339 test -n "$WARNINGS" && printf "\n$WARNINGS"
4340
4341 # build pkg-config files
4342
4343 pkgconfig_generate(){
4344     name=$1
4345     shortname=${name#lib}${build_suffix}
4346     comment=$2
4347     version=$3
4348     libs=$4
4349     requires=$5
4350     enabled ${name#lib} || return 0
4351     mkdir -p $name
4352     cat <<EOF > $name/$name.pc
4353 prefix=$prefix
4354 exec_prefix=\${prefix}
4355 libdir=$libdir
4356 includedir=$incdir
4357
4358 Name: $name
4359 Description: $comment
4360 Version: $version
4361 Requires: $(enabled shared || echo $requires)
4362 Requires.private: $(enabled shared && echo $requires)
4363 Conflicts:
4364 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4365 Libs.private: $(enabled shared && echo $libs)
4366 Cflags: -I\${includedir}
4367 EOF
4368
4369 mkdir -p doc/examples/pc-uninstalled
4370 includedir=${source_path}
4371 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4372     cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4373 prefix=
4374 exec_prefix=
4375 libdir=\${pcfiledir}/../../../$name
4376 includedir=${includedir}
4377
4378 Name: $name
4379 Description: $comment
4380 Version: $version
4381 Requires: $requires
4382 Conflicts:
4383 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4384 Cflags: -I\${includedir}
4385 EOF
4386 }
4387
4388 libavfilter_pc_deps=""
4389 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
4390 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
4391 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
4392 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
4393 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
4394 libavfilter_pc_deps=${libavfilter_pc_deps%, }
4395
4396 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
4397 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
4398
4399 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4400 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
4401 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
4402 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
4403 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
4404 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
4405 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
4406 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4407 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4408
4409 fix_ffmpeg_remote(){
4410     git_remote_from=$1
4411     git_remote_to=$2
4412     fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
4413     if [ "$fixme_remote" != "" ]; then
4414         echolog "
4415 Outdated domain in git config, the official domain for ffmpeg git is since
4416 November 2011, source.ffmpeg.org, both the old and the new point to the same
4417 repository and server. To update it enter the following commands:
4418 "
4419         for remote in $fixme_remote; do
4420             echolog "git remote set-url $remote $git_remote_to"
4421         done
4422     fi
4423 }
4424
4425 if test -f "$source_path/.git/config"; then
4426     remote_from=git.videolan.org
4427     remote_to=source.ffmpeg.org
4428     fix_ffmpeg_remote git@$remote_from:ffmpeg   git@$remote_to:ffmpeg
4429     fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg
4430 fi