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