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 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
  58
  59 show_help(){
  60     cat <<EOF
  61 Usage: configure [options]
  62 Options: [defaults in brackets after descriptions]
  63
  64 Help options:
  65   --help                   print this message
  66   --list-decoders          show all available decoders
  67   --list-encoders          show all available encoders
  68   --list-hwaccels          show all available hardware accelerators
  69   --list-demuxers          show all available demuxers
  70   --list-muxers            show all available muxers
  71   --list-parsers           show all available parsers
  72   --list-protocols         show all available protocols
  73   --list-bsfs              show all available bitstream filters
  74   --list-indevs            show all available input devices
  75   --list-outdevs           show all available output devices
  76   --list-filters           show all available filters
  77
  78 Standard options:
  79   --logfile=FILE           log tests and output to FILE [config.log]
  80   --disable-logging        do not log configure debug information
  81   --prefix=PREFIX          install in PREFIX [$prefix]
  82   --bindir=DIR             install binaries in DIR [PREFIX/bin]
  83   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
  84   --libdir=DIR             install libs in DIR [PREFIX/lib]
  85   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
  86   --incdir=DIR             install includes in DIR [PREFIX/include]
  87   --mandir=DIR             install man page in DIR [PREFIX/share/man]
  88
  89 Licensing options:
  90   --enable-gpl             allow use of GPL code, the resulting libs
  91                            and binaries will be under GPL [no]
  92   --enable-version3        upgrade (L)GPL to version 3 [no]
  93   --enable-nonfree         allow use of nonfree code, the resulting libs
  94                            and binaries will be unredistributable [no]
  95
  96 Configuration options:
  97   --disable-static         do not build static libraries [no]
  98   --enable-shared          build shared libraries [no]
  99   --enable-small           optimize for size instead of speed
 100   --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
 101   --enable-gray            enable full grayscale support (slower color)
 102   --disable-swscale-alpha  disable alpha channel support in swscale
 103
 104 Documentation options:
 105   --disable-doc            do not build documentation
 106   --disable-htmlpages      do not build HTML documentation pages
 107   --disable-manpages       do not build man documentation pages
 108   --disable-podpages       do not build POD documentation pages
 109   --disable-txtpages       do not build text documentation pages
 110
 111 Component options:
 112   --disable-ffmpeg         disable ffmpeg build
 113   --disable-ffplay         disable ffplay build
 114   --disable-ffprobe        disable ffprobe build
 115   --disable-ffserver       disable ffserver build
 116   --disable-avdevice       disable libavdevice build
 117   --disable-avcodec        disable libavcodec build
 118   --disable-avformat       disable libavformat build
 119   --disable-swresample     disable libswresample build
 120   --disable-swscale        disable libswscale build
 121   --disable-postproc       disable libpostproc build
 122   --disable-avfilter       disable libavfilter build
 123   --enable-avresample      enable libavresample build [no]
 124   --disable-pthreads       disable pthreads [auto]
 125   --disable-w32threads     disable Win32 threads [auto]
 126   --disable-os2threads     disable OS/2 threads [auto]
 127   --enable-x11grab         enable X11 grabbing [no]
 128   --disable-network        disable network support [no]
 129   --disable-dct            disable DCT code
 130   --disable-dwt            disable DWT code
 131   --disable-lsp            disable LSP code
 132   --disable-mdct           disable MDCT code
 133   --disable-rdft           disable RDFT code
 134   --disable-fft            disable FFT code
 135   --enable-dxva2           enable DXVA2 code
 136   --enable-vaapi           enable VAAPI code [autodetect]
 137   --enable-vda             enable VDA code   [autodetect]
 138   --enable-vdpau           enable VDPAU code [autodetect]
 139
 140 Individual component options:
 141   --disable-everything     disable all components listed below
 142   --disable-encoder=NAME   disable encoder NAME
 143   --enable-encoder=NAME    enable encoder NAME
 144   --disable-encoders       disable all encoders
 145   --disable-decoder=NAME   disable decoder NAME
 146   --enable-decoder=NAME    enable decoder NAME
 147   --disable-decoders       disable all decoders
 148   --disable-hwaccel=NAME   disable hwaccel NAME
 149   --enable-hwaccel=NAME    enable hwaccel NAME
 150   --disable-hwaccels       disable all hwaccels
 151   --disable-muxer=NAME     disable muxer NAME
 152   --enable-muxer=NAME      enable muxer NAME
 153   --disable-muxers         disable all muxers
 154   --disable-demuxer=NAME   disable demuxer NAME
 155   --enable-demuxer=NAME    enable demuxer NAME
 156   --disable-demuxers       disable all demuxers
 157   --enable-parser=NAME     enable parser NAME
 158   --disable-parser=NAME    disable parser NAME
 159   --disable-parsers        disable all parsers
 160   --enable-bsf=NAME        enable bitstream filter NAME
 161   --disable-bsf=NAME       disable bitstream filter NAME
 162   --disable-bsfs           disable all bitstream filters
 163   --enable-protocol=NAME   enable protocol NAME
 164   --disable-protocol=NAME  disable protocol NAME
 165   --disable-protocols      disable all protocols
 166   --enable-indev=NAME      enable input device NAME
 167   --disable-indev=NAME     disable input device NAME
 168   --disable-indevs         disable input devices
 169   --enable-outdev=NAME     enable output device NAME
 170   --disable-outdev=NAME    disable output device NAME
 171   --disable-outdevs        disable output devices
 172   --disable-devices        disable all devices
 173   --enable-filter=NAME     enable filter NAME
 174   --disable-filter=NAME    disable filter NAME
 175   --disable-filters        disable all filters
 176
 177 External library support:
 178   --enable-avisynth        enable reading of AVISynth script files [no]
 179   --enable-bzlib           enable bzlib [autodetect]
 180   --enable-fontconfig      enable fontconfig
 181   --enable-frei0r          enable frei0r video filtering
 182   --enable-gnutls          enable gnutls [no]
 183   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
 184   --enable-libass          enable libass subtitles rendering [no]
 185   --enable-libbluray       enable BluRay reading using libbluray [no]
 186   --enable-libcaca         enable textual display using libcaca
 187   --enable-libcelt         enable CELT decoding via libcelt [no]
 188   --enable-libcdio         enable audio CD grabbing with libcdio
 189   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 190                            and libraw1394 [no]
 191   --enable-libfaac         enable AAC encoding via libfaac [no]
 192   --enable-libfdk-aac      enable AAC encoding via libfdk-aac [no]
 193   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
 194   --enable-libfreetype     enable libfreetype [no]
 195   --enable-libgsm          enable GSM de/encoding via libgsm [no]
 196   --enable-libiec61883     enable iec61883 via libiec61883 [no]
 197   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
 198   --enable-libmodplug      enable ModPlug via libmodplug [no]
 199   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
 200   --enable-libnut          enable NUT (de)muxing via libnut,
 201                            native (de)muxer exists [no]
 202   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 203   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 204   --enable-libopencv       enable video filtering via libopencv [no]
 205   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
 206   --enable-libopus         enable Opus decoding via libopus [no]
 207   --enable-libpulse        enable Pulseaudio input via libpulse [no]
 208   --enable-librtmp         enable RTMP[E] support via librtmp [no]
 209   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
 210   --enable-libspeex        enable Speex de/encoding via libspeex [no]
 211   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
 212   --enable-libtheora       enable Theora encoding via libtheora [no]
 213   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
 214   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
 215   --enable-libv4l2         enable libv4l2/v4l-utils [no]
 216   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
 217   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
 218   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
 219                            native implementation exists [no]
 220   --enable-libvpx          enable VP8 de/encoding via libvpx [no]
 221   --enable-libx264         enable H.264 encoding via x264 [no]
 222   --enable-libxavs         enable AVS encoding via xavs [no]
 223   --enable-libxvid         enable Xvid encoding via xvidcore,
 224                            native MPEG-4/Xvid encoder exists [no]
 225   --enable-openal          enable OpenAL 1.1 capture support [no]
 226   --enable-openssl         enable openssl [no]
 227   --enable-zlib            enable zlib [autodetect]
 228
 229 Advanced options (experts only):
 230   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
 231   --enable-cross-compile   assume a cross-compiler is used
 232   --sysroot=PATH           root of cross-build tree
 233   --sysinclude=PATH        location of cross-build system headers
 234   --target-os=OS           compiler targets OS [$target_os]
 235   --target-exec=CMD        command to run executables on target
 236   --target-path=DIR        path to view of build directory on target
 237   --toolchain=NAME         set tool defaults according to NAME
 238   --nm=NM                  use nm tool NM [$nm_default]
 239   --ar=AR                  use archive tool AR [$ar_default]
 240   --as=AS                  use assembler AS [$as_default]
 241   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
 242   --cc=CC                  use C compiler CC [$cc_default]
 243   --cxx=CXX                use C compiler CXX [$cxx_default]
 244   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
 245   --ld=LD                  use linker LD [$ld_default]
 246   --host-cc=HOSTCC         use host C compiler HOSTCC
 247   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 248   --host-ld=HOSTLD         use host linker HOSTLD
 249   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 250   --host-libs=HLIBS        use libs HLIBS when linking for host
 251   --host-os=OS             compiler host OS [$target_os]
 252   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 253   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
 254   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
 255   --extra-libs=ELIBS       add ELIBS [$ELIBS]
 256   --extra-version=STRING   version string suffix []
 257   --optflags=OPTFLAGS      override optimization-related compiler flags
 258   --build-suffix=SUFFIX    library name suffix []
 259   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
 260   --progs-suffix=SUFFIX    program name suffix []
 261   --arch=ARCH              select architecture [$arch]
 262   --cpu=CPU                select the minimum required CPU (affects
 263                            instruction selection, may crash on older CPUs)
 264   --enable-pic             build position-independent code
 265   --enable-sram            allow use of on-chip SRAM
 266   --enable-thumb           compile for Thumb instruction set
 267   --disable-symver         disable symbol versioning
 268   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 269   --disable-safe-bitstream-reader
 270                            disable buffer boundary checking in bitreaders
 271                            (faster, but may crash)
 272   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 273   --enable-lto             use link-time optimization
 274
 275 Optimization options (experts only):
 276   --disable-asm            disable all assembler optimizations
 277   --disable-altivec        disable AltiVec optimizations
 278   --disable-amd3dnow       disable 3DNow! optimizations
 279   --disable-amd3dnowext    disable 3DNow! extended optimizations
 280   --disable-mmx            disable MMX optimizations
 281   --disable-mmxext         disable MMXEXT optimizations
 282   --disable-sse            disable SSE optimizations
 283   --disable-sse2           disable SSE2 optimizations
 284   --disable-sse3           disable SSE3 optimizations
 285   --disable-ssse3          disable SSSE3 optimizations
 286   --disable-sse4           disable SSE4 optimizations
 287   --disable-sse42          disable SSE4.2 optimizations
 288   --disable-avx            disable AVX optimizations
 289   --disable-fma4           disable FMA4 optimizations
 290   --disable-armv5te        disable armv5te optimizations
 291   --disable-armv6          disable armv6 optimizations
 292   --disable-armv6t2        disable armv6t2 optimizations
 293   --disable-armvfp         disable ARM VFP optimizations
 294   --disable-neon           disable NEON optimizations
 295   --disable-vis            disable VIS optimizations
 296   --disable-inline-asm     disable use of inline assembler
 297   --disable-yasm           disable use of yasm assembler
 298   --disable-mips32r2       disable MIPS32R2 optimizations
 299   --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations
 300   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
 301   --disable-mipsfpu        disable floating point MIPS optimizations
 302   --disable-fast-unaligned consider unaligned accesses slow
 303   --postproc-version=V     build libpostproc version V.
 304                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
 305
 306 Developer options (useful when working on FFmpeg itself):
 307   --enable-coverage        build with test coverage instrumentation
 308   --disable-debug          disable debugging symbols
 309   --enable-debug=LEVEL     set the debug level [$debuglevel]
 310   --disable-optimizations  disable compiler optimizations
 311   --enable-extra-warnings  enable more compiler warnings
 312   --disable-stripping      disable stripping of executables and shared libraries
 313   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
 314                            2 causes a slowdown at runtime.
 315   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
 316   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
 317                            leaks and errors, using the specified valgrind binary.
 318                            Cannot be combined with --target-exec
 319   --enable-ftrapv          Trap arithmetic overflows
 320   --samples=PATH           location of test samples for FATE, if not set use
 321                            \$FATE_SAMPLES at make invocation time.
 322   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
 323                            should be used only for debugging purposes)
 324   --enable-random          randomly enable/disable components
 325   --disable-random
 326   --enable-random=LIST     randomly enable/disable specific components or
 327   --disable-random=LIST    component groups. LIST is a comma-separated list
 328                            of NAME[:PROB] entries where NAME is a component
 329                            (group) and PROB the probability associated with
 330                            NAME (default 0.5).
 331   --random-seed=VALUE      seed value for --enable/disable-random
 332
 333 NOTE: Object files are built at the place where configure is launched.
 334 EOF
 335   exit 0
 336 }
 337
 338 quotes='""'
 339
 340 log(){
 341     echo "$@" >> $logfile
 342 }
 343
 344 log_file(){
 345     log BEGIN $1
 346     pr -n -t $1 >> $logfile
 347     log END $1
 348 }
 349
 350 echolog(){
 351     log "$@"
 352     echo "$@"
 353 }
 354
 355 warn(){
 356     log "WARNING: $*"
 357     WARNINGS="${WARNINGS}WARNING: $*\n"
 358 }
 359
 360 die(){
 361     echolog "$@"
 362     cat <<EOF
 363
 364 If you think configure made a mistake, make sure you are using the latest
 365 version from Git.  If the latest version fails, report the problem to the
 366 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 367 EOF
 368     if disabled logging; then
 369         cat <<EOF
 370 Rerun configure with logging enabled (do not use --disable-logging), and
 371 include the log this produces with your report.
 372 EOF
 373     else
 374         cat <<EOF
 375 Include the log file "$logfile" produced by configure as this will help
 376 solving the problem.
 377 EOF
 378     fi
 379     exit 1
 380 }
 381
 382 # Avoid locale weirdness, besides we really just want to translate ASCII.
 383 toupper(){
 384     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 385 }
 386
 387 tolower(){
 388     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 389 }
 390
 391 c_escape(){
 392     echo "$*" | sed 's/["\\]/\\\0/g'
 393 }
 394
 395 sh_quote(){
 396     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 397     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 398     echo "$v"
 399 }
 400
 401 cleanws(){
 402     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 403 }
 404
 405 filter(){
 406     pat=$1
 407     shift
 408     for v; do
 409         eval "case $v in $pat) echo $v ;; esac"
 410     done
 411 }
 412
 413 filter_out(){
 414     pat=$1
 415     shift
 416     for v; do
 417         eval "case $v in $pat) ;; *) echo $v ;; esac"
 418     done
 419 }
 420
 421 map(){
 422     m=$1
 423     shift
 424     for v; do eval $m; done
 425 }
 426
 427 add_suffix(){
 428     suffix=$1
 429     shift
 430     for v; do echo ${v}${suffix}; done
 431 }
 432
 433 set_all(){
 434     value=$1
 435     shift
 436     for var in $*; do
 437         eval $var=$value
 438     done
 439 }
 440
 441 set_weak(){
 442     value=$1
 443     shift
 444     for var; do
 445         eval : \${$var:=$value}
 446     done
 447 }
 448
 449 set_safe(){
 450     var=$1
 451     shift
 452     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 453 }
 454
 455 get_safe(){
 456     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 457 }
 458
 459 pushvar(){
 460     for var in $*; do
 461         eval level=\${${var}_level:=0}
 462         eval ${var}_${level}="\$$var"
 463         eval ${var}_level=$(($level+1))
 464     done
 465 }
 466
 467 popvar(){
 468     for var in $*; do
 469         eval level=\${${var}_level:-0}
 470         test $level = 0 && continue
 471         eval level=$(($level-1))
 472         eval $var="\${${var}_${level}}"
 473         eval ${var}_level=$level
 474         eval unset ${var}_${level}
 475     done
 476 }
 477
 478 enable(){
 479     set_all yes $*
 480 }
 481
 482 disable(){
 483     set_all no $*
 484 }
 485
 486 enable_weak(){
 487     set_weak yes $*
 488 }
 489
 490 disable_weak(){
 491     set_weak no $*
 492 }
 493
 494 enable_safe(){
 495     for var; do
 496         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 497     done
 498 }
 499
 500 disable_safe(){
 501     for var; do
 502         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 503     done
 504 }
 505
 506 do_enable_deep(){
 507     for var; do
 508         enabled $var && continue
 509         eval sel="\$${var}_select"
 510         eval sgs="\$${var}_suggest"
 511         pushvar var sgs
 512         enable_deep $sel
 513         popvar sgs
 514         enable_deep_weak $sgs
 515         popvar var
 516     done
 517 }
 518
 519 enable_deep(){
 520     do_enable_deep $*
 521     enable $*
 522 }
 523
 524 enable_deep_weak(){
 525     do_enable_deep $*
 526     enable_weak $*
 527 }
 528
 529 enabled(){
 530     test "${1#!}" = "$1" && op== || op=!=
 531     eval test "x\$${1#!}" $op "xyes"
 532 }
 533
 534 disabled(){
 535     test "${1#!}" = "$1" && op== || op=!=
 536     eval test "x\$${1#!}" $op "xno"
 537 }
 538
 539 enabled_all(){
 540     for opt; do
 541         enabled $opt || return 1
 542     done
 543 }
 544
 545 disabled_all(){
 546     for opt; do
 547         disabled $opt || return 1
 548     done
 549 }
 550
 551 enabled_any(){
 552     for opt; do
 553         enabled $opt && return 0
 554     done
 555 }
 556
 557 disabled_any(){
 558     for opt; do
 559         disabled $opt && return 0
 560     done
 561     return 1
 562 }
 563
 564 set_default(){
 565     for opt; do
 566         eval : \${$opt:=\$${opt}_default}
 567     done
 568 }
 569
 570 is_in(){
 571     value=$1
 572     shift
 573     for var in $*; do
 574         [ $var = $value ] && return 0
 575     done
 576     return 1
 577 }
 578
 579 check_deps(){
 580     for cfg; do
 581         cfg="${cfg#!}"
 582         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 583         disabled ${cfg}_checking && continue
 584         enable ${cfg}_checking
 585
 586         eval dep_all="\$${cfg}_deps"
 587         eval dep_any="\$${cfg}_deps_any"
 588         eval dep_sel="\$${cfg}_select"
 589         eval dep_sgs="\$${cfg}_suggest"
 590         eval dep_ifa="\$${cfg}_if"
 591         eval dep_ifn="\$${cfg}_if_any"
 592
 593         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 594         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 595         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 596
 597         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 598         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 599         enabled_all  $dep_all || disable $cfg
 600         enabled_any  $dep_any || disable $cfg
 601         disabled_any $dep_sel && disable $cfg
 602
 603         if enabled $cfg; then
 604             eval dep_extralibs="\$${cfg}_extralibs"
 605             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 606             enable_deep $dep_sel
 607             enable_deep_weak $dep_sgs
 608         fi
 609
 610         disable ${cfg}_checking
 611     done
 612 }
 613
 614 print_config_h(){
 615     enabled $1 && v=1 || v=0
 616     echo "#define $2 $v"
 617 }
 618
 619 print_config_mak(){
 620     enabled $1 && v= || v=!
 621     echo "$v$2=yes"
 622 }
 623
 624 print_config_asm(){
 625     enabled $1 && v=1 || v=0
 626     echo "%define $2 $v"
 627 }
 628
 629 print_config(){
 630     pfx=$1
 631     files=$2
 632     shift 2
 633     for cfg; do
 634         ucname="$(toupper $cfg)"
 635         for f in $files; do
 636             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 637         done
 638     done
 639 }
 640
 641 print_enabled(){
 642     test "$1" = -n && end=" " && shift || end="\n"
 643     suf=$1
 644     shift
 645     for v; do
 646         enabled $v && printf "%s$end" ${v%$suf};
 647     done
 648 }
 649
 650 append(){
 651     var=$1
 652     shift
 653     eval "$var=\"\$$var $*\""
 654 }
 655
 656 prepend(){
 657     var=$1
 658     shift
 659     eval "$var=\"$* \$$var\""
 660 }
 661
 662 add_cppflags(){
 663     append CPPFLAGS "$@"
 664 }
 665
 666 add_cflags(){
 667     append CFLAGS $($cflags_filter "$@")
 668 }
 669
 670 add_cxxflags(){
 671     append CXXFLAGS $($cflags_filter "$@")
 672 }
 673
 674 add_asflags(){
 675     append ASFLAGS $($asflags_filter "$@")
 676 }
 677
 678 add_ldflags(){
 679     append LDFLAGS $($ldflags_filter "$@")
 680 }
 681
 682 add_extralibs(){
 683     prepend extralibs $($ldflags_filter "$@")
 684 }
 685
 686 add_host_cflags(){
 687     append host_cflags $($host_cflags_filter "$@")
 688 }
 689
 690 add_host_ldflags(){
 691     append host_ldflags $($host_ldflags_filter "$@")
 692 }
 693
 694 check_cmd(){
 695     log "$@"
 696     "$@" >> $logfile 2>&1
 697 }
 698
 699 cc_o(){
 700     eval printf '%s\\n' $CC_O
 701 }
 702
 703 cc_e(){
 704     eval printf '%s\\n' $CC_E
 705 }
 706
 707 check_cc(){
 708     log check_cc "$@"
 709     cat > $TMPC
 710     log_file $TMPC
 711     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
 712 }
 713
 714 check_cxx(){
 715     log check_cxx "$@"
 716     cat > $TMPCPP
 717     log_file $TMPCPP
 718     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
 719 }
 720
 721 check_cpp(){
 722     log check_cpp "$@"
 723     cat > $TMPC
 724     log_file $TMPC
 725     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
 726 }
 727
 728 as_o(){
 729     eval printf '%s\\n' $AS_O
 730 }
 731
 732 check_as(){
 733     log check_as "$@"
 734     cat > $TMPC
 735     log_file $TMPC
 736     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPC
 737 }
 738
 739 check_inline_asm(){
 740     log check_inline_asm "$@"
 741     name="$1"
 742     code="$2"
 743     shift 2
 744     disable $name
 745     check_as "$@" <<EOF && enable $name
 746 void foo(void){ __asm__ volatile($code); }
 747 EOF
 748 }
 749
 750 check_yasm(){
 751     log check_yasm "$@"
 752     echo "$1" > $TMPS
 753     log_file $TMPS
 754     shift 1
 755     check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
 756 }
 757
 758 ld_o(){
 759     eval printf '%s\\n' $LD_O
 760 }
 761
 762 check_ld(){
 763     log check_ld "$@"
 764     type=$1
 765     shift 1
 766     flags=''
 767     libs=''
 768     for f; do
 769         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 770     done
 771     check_$type $($cflags_filter $flags) || return
 772     flags=$($ldflags_filter $flags)
 773     libs=$($ldflags_filter $libs)
 774     check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
 775 }
 776
 777 check_code(){
 778     log check_code "$@"
 779     check=$1
 780     headers=$2
 781     code=$3
 782     shift 3
 783     {
 784         for hdr in $headers; do
 785             echo "#include <$hdr>"
 786         done
 787         echo "int main(void) { $code; return 0; }"
 788     } | check_$check "$@"
 789 }
 790
 791 check_cppflags(){
 792     log check_cppflags "$@"
 793     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 794 int x;
 795 EOF
 796 }
 797
 798 check_cflags(){
 799     log check_cflags "$@"
 800     set -- $($cflags_filter "$@")
 801     check_cc "$@" <<EOF && append CFLAGS "$@"
 802 int x;
 803 EOF
 804 }
 805
 806 check_cxxflags(){
 807     log check_cxxflags "$@"
 808     set -- $($cflags_filter "$@")
 809     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 810 int x;
 811 EOF
 812 }
 813
 814 test_ldflags(){
 815     log test_ldflags "$@"
 816     check_ld "cc" "$@" <<EOF
 817 int main(void){ return 0; }
 818 EOF
 819 }
 820
 821 check_ldflags(){
 822     log check_ldflags "$@"
 823     test_ldflags "$@" && add_ldflags "$@"
 824 }
 825
 826 check_header(){
 827     log check_header "$@"
 828     header=$1
 829     shift
 830     disable_safe $header
 831     check_cpp "$@" <<EOF && enable_safe $header
 832 #include <$header>
 833 int x;
 834 EOF
 835 }
 836
 837 check_func(){
 838     log check_func "$@"
 839     func=$1
 840     shift
 841     disable $func
 842     check_ld "cc" "$@" <<EOF && enable $func
 843 extern int $func();
 844 int main(void){ $func(); }
 845 EOF
 846 }
 847
 848 check_mathfunc(){
 849     log check_mathfunc "$@"
 850     func=$1
 851     shift
 852     disable $func
 853     check_ld "cc" "$@" <<EOF && enable $func
 854 #include <math.h>
 855 float foo(float f) { return $func(f); }
 856 int main(void){ return (int) foo; }
 857 EOF
 858 }
 859
 860 check_func_headers(){
 861     log check_func_headers "$@"
 862     headers=$1
 863     funcs=$2
 864     shift 2
 865     {
 866         for hdr in $headers; do
 867             echo "#include <$hdr>"
 868         done
 869         for func in $funcs; do
 870             echo "long check_$func(void) { return (long) $func; }"
 871         done
 872         echo "int main(void) { return 0; }"
 873     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 874 }
 875
 876 check_class_headers_cpp(){
 877     log check_class_headers_cpp "$@"
 878     headers=$1
 879     classes=$2
 880     shift 2
 881     {
 882         for hdr in $headers; do
 883             echo "#include <$hdr>"
 884         done
 885         echo "int main(void) { "
 886         i=1
 887         for class in $classes; do
 888             echo "$class obj$i;"
 889             i=$(expr $i + 1)
 890         done
 891         echo "return 0; }"
 892     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 893 }
 894
 895 check_cpp_condition(){
 896     log check_cpp_condition "$@"
 897     header=$1
 898     condition=$2
 899     shift 2
 900     check_cpp "$@" <<EOF
 901 #include <$header>
 902 #if !($condition)
 903 #error "unsatisfied condition: $condition"
 904 #endif
 905 EOF
 906 }
 907
 908 check_lib(){
 909     log check_lib "$@"
 910     header="$1"
 911     func="$2"
 912     shift 2
 913     check_header $header && check_func $func "$@" && add_extralibs "$@"
 914 }
 915
 916 check_lib2(){
 917     log check_lib2 "$@"
 918     headers="$1"
 919     funcs="$2"
 920     shift 2
 921     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 922 }
 923
 924 check_lib_cpp(){
 925     log check_lib_cpp "$@"
 926     headers="$1"
 927     classes="$2"
 928     shift 2
 929     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 930 }
 931
 932 check_pkg_config(){
 933     log check_pkg_config "$@"
 934     pkg="$1"
 935     headers="$2"
 936     funcs="$3"
 937     shift 3
 938     $pkg_config --exists $pkg 2>/dev/null || return
 939     pkg_cflags=$($pkg_config --cflags $pkg)
 940     pkg_libs=$($pkg_config --libs $pkg)
 941     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 942         set_safe ${pkg}_cflags $pkg_cflags   &&
 943         set_safe ${pkg}_libs   $pkg_libs
 944 }
 945
 946 check_exec(){
 947     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 948 }
 949
 950 check_exec_crash(){
 951     code=$(cat)
 952
 953     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 954     # are safe but may not be available everywhere.  Thus we use
 955     # raise(SIGTERM) instead.  The check is run in a subshell so we
 956     # can redirect the "Terminated" message from the shell.  SIGBUS
 957     # is not defined by standard C so it is used conditionally.
 958
 959     (check_exec "$@") >> $logfile 2>&1 <<EOF
 960 #include <signal.h>
 961 static void sighandler(int sig){
 962     raise(SIGTERM);
 963 }
 964 int func(void){
 965     $code
 966 }
 967 int (*func_ptr)(void) = func;
 968 int main(void){
 969     signal(SIGILL, sighandler);
 970     signal(SIGFPE, sighandler);
 971     signal(SIGSEGV, sighandler);
 972 #ifdef SIGBUS
 973     signal(SIGBUS, sighandler);
 974 #endif
 975     return func_ptr();
 976 }
 977 EOF
 978 }
 979
 980 check_type(){
 981     log check_type "$@"
 982     headers=$1
 983     type=$2
 984     shift 2
 985     disable_safe "$type"
 986     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
 987 }
 988
 989 check_struct(){
 990     log check_type "$@"
 991     headers=$1
 992     struct=$2
 993     member=$3
 994     shift 3
 995     disable_safe "${struct}_${member}"
 996     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
 997         enable_safe "${struct}_${member}"
 998 }
 999
1000 require(){
1001     name="$1"
1002     header="$2"
1003     func="$3"
1004     shift 3
1005     check_lib $header $func "$@" || die "ERROR: $name not found"
1006 }
1007
1008 require2(){
1009     name="$1"
1010     headers="$2"
1011     func="$3"
1012     shift 3
1013     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1014 }
1015
1016 require_cpp(){
1017     name="$1"
1018     headers="$2"
1019     classes="$3"
1020     shift 3
1021     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1022 }
1023
1024 require_pkg_config(){
1025     pkg="$1"
1026     check_pkg_config "$@" || die "ERROR: $pkg not found"
1027     add_cflags    $(get_safe ${pkg}_cflags)
1028     add_extralibs $(get_safe ${pkg}_libs)
1029 }
1030
1031 hostcc_o(){
1032     eval printf '%s\\n' $HOSTCC_O
1033 }
1034
1035 check_host_cc(){
1036     log check_host_cc "$@"
1037     cat > $TMPC
1038     log_file $TMPC
1039     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1040 }
1041
1042 check_host_cflags(){
1043     log check_host_cflags "$@"
1044     set -- $($host_cflags_filter "$@")
1045     check_host_cc "$@" <<EOF && append host_cflags "$@"
1046 int x;
1047 EOF
1048 }
1049
1050 apply(){
1051     file=$1
1052     shift
1053     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1054 }
1055
1056 cp_if_changed(){
1057     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1058     mkdir -p "$(dirname $2)"
1059     cp -f "$1" "$2"
1060 }
1061
1062 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1063 # system-dependent things.
1064
1065 COMPONENT_LIST="
1066     bsfs
1067     decoders
1068     demuxers
1069     encoders
1070     filters
1071     hwaccels
1072     indevs
1073     muxers
1074     outdevs
1075     parsers
1076     protocols
1077 "
1078
1079 DOCUMENT_LIST="
1080     doc
1081     htmlpages
1082     manpages
1083     podpages
1084     txtpages
1085 "
1086
1087 PROGRAM_LIST="
1088     ffplay
1089     ffprobe
1090     ffserver
1091     ffmpeg
1092 "
1093
1094 CONFIG_LIST="
1095     $COMPONENT_LIST
1096     $DOCUMENT_LIST
1097     $PROGRAM_LIST
1098     avcodec
1099     avdevice
1100     avfilter
1101     avformat
1102     avresample
1103     avisynth
1104     bzlib
1105     crystalhd
1106     dct
1107     dwt
1108     dxva2
1109     fast_unaligned
1110     fft
1111     fontconfig
1112     frei0r
1113     ftrapv
1114     gnutls
1115     gpl
1116     gray
1117     hardcoded_tables
1118     incompatible_fork_abi
1119     libaacplus
1120     libass
1121     libbluray
1122     libcaca
1123     libcdio
1124     libcelt
1125     libdc1394
1126     libfaac
1127     libfdk_aac
1128     libflite
1129     libfreetype
1130     libgsm
1131     libiec61883
1132     libilbc
1133     libmodplug
1134     libmp3lame
1135     libnut
1136     libopencore_amrnb
1137     libopencore_amrwb
1138     libopencv
1139     libopenjpeg
1140     libopus
1141     libpulse
1142     librtmp
1143     libschroedinger
1144     libspeex
1145     libstagefright_h264
1146     libtheora
1147     libtwolame
1148     libutvideo
1149     libv4l2
1150     libvo_aacenc
1151     libvo_amrwbenc
1152     libvorbis
1153     libvpx
1154     libx264
1155     libxavs
1156     libxvid
1157     lsp
1158     mdct
1159     memalign_hack
1160     memory_poisoning
1161     network
1162     nonfree
1163     openal
1164     openssl
1165     pic
1166     postproc
1167     rdft
1168     runtime_cpudetect
1169     safe_bitstream_reader
1170     shared
1171     small
1172     sram
1173     static
1174     swresample
1175     swscale
1176     swscale_alpha
1177     thumb
1178     vaapi
1179     vda
1180     vdpau
1181     version3
1182     xmm_clobber_test
1183     x11grab
1184     zlib
1185 "
1186
1187 THREADS_LIST='
1188     pthreads
1189     w32threads
1190     os2threads
1191 '
1192
1193 ARCH_LIST='
1194     alpha
1195     arm
1196     avr32
1197     avr32_ap
1198     avr32_uc
1199     bfin
1200     ia64
1201     m68k
1202     mips
1203     mips64
1204     parisc
1205     ppc
1206     ppc64
1207     s390
1208     sh4
1209     sparc
1210     sparc64
1211     tomi
1212     x86
1213     x86_32
1214     x86_64
1215 '
1216
1217 ARCH_EXT_LIST_X86='
1218     amd3dnow
1219     amd3dnowext
1220     avx
1221     fma4
1222     mmx
1223     mmxext
1224     sse
1225     sse2
1226     sse3
1227     sse4
1228     sse42
1229     ssse3
1230 '
1231
1232 ARCH_EXT_LIST="
1233     $ARCH_EXT_LIST_X86
1234     altivec
1235     armv5te
1236     armv6
1237     armv6t2
1238     armvfp
1239     neon
1240     ppc4xx
1241     vfpv3
1242     vis
1243     mipsfpu
1244     mips32r2
1245     mipsdspr1
1246     mipsdspr2
1247 "
1248
1249 HAVE_LIST_CMDLINE='
1250     inline_asm
1251     symver
1252     yasm
1253 '
1254
1255 HAVE_LIST_PUB='
1256     bigendian
1257     fast_unaligned
1258     incompatible_fork_abi
1259 '
1260
1261 HAVE_LIST="
1262     $ARCH_EXT_LIST
1263     $(add_suffix _external $ARCH_EXT_LIST)
1264     $(add_suffix _inline   $ARCH_EXT_LIST)
1265     $HAVE_LIST_CMDLINE
1266     $HAVE_LIST_PUB
1267     $THREADS_LIST
1268     aligned_malloc
1269     aligned_stack
1270     alsa_asoundlib_h
1271     altivec_h
1272     arpa_inet_h
1273     asm_mod_q
1274     asm_mod_y
1275     asm_types_h
1276     attribute_may_alias
1277     attribute_packed
1278     broken_snprintf
1279     cbrtf
1280     clock_gettime
1281     closesocket
1282     cmov
1283     cpunop
1284     CryptGenRandom
1285     dcbzl
1286     dev_bktr_ioctl_bt848_h
1287     dev_bktr_ioctl_meteor_h
1288     dev_ic_bt8xx_h
1289     dev_video_bktr_ioctl_bt848_h
1290     dev_video_meteor_ioctl_meteor_h
1291     direct_h
1292     dlfcn_h
1293     dlopen
1294     dos_paths
1295     dxva_h
1296     ebp_available
1297     ebx_available
1298     exp2
1299     exp2f
1300     fast_64bit
1301     fast_clz
1302     fast_cmov
1303     fcntl
1304     fork
1305     getaddrinfo
1306     gethrtime
1307     getopt
1308     GetProcessAffinityMask
1309     GetProcessMemoryInfo
1310     GetProcessTimes
1311     GetSystemTimeAsFileTime
1312     getrusage
1313     gettimeofday
1314     glob
1315     gnu_as
1316     ibm_asm
1317     inet_aton
1318     io_h
1319     isatty
1320     isinf
1321     isnan
1322     jack_port_get_latency_range
1323     kbhit
1324     ldbrx
1325     libdc1394_1
1326     libdc1394_2
1327     llrint
1328     llrintf
1329     local_aligned_16
1330     local_aligned_8
1331     localtime_r
1332     log2
1333     log2f
1334     loongson
1335     lrint
1336     lrintf
1337     lzo1x_999_compress
1338     machine_ioctl_bt848_h
1339     machine_ioctl_meteor_h
1340     makeinfo
1341     malloc_h
1342     MapViewOfFile
1343     memalign
1344     mkstemp
1345     mm_empty
1346     mmap
1347     msvcrt
1348     nanosleep
1349     PeekNamedPipe
1350     perl
1351     pod2man
1352     poll_h
1353     posix_memalign
1354     pthread_cancel
1355     rdtsc
1356     rint
1357     round
1358     roundf
1359     sched_getaffinity
1360     sdl
1361     sdl_video_size
1362     setmode
1363     setrlimit
1364     Sleep
1365     sndio_h
1366     socklen_t
1367     soundcard_h
1368     strerror_r
1369     struct_addrinfo
1370     struct_group_source_req
1371     struct_ip_mreq_source
1372     struct_ipv6_mreq
1373     struct_pollfd
1374     struct_rusage_ru_maxrss
1375     struct_sctp_event_subscribe
1376     struct_sockaddr_in6
1377     struct_sockaddr_sa_len
1378     struct_sockaddr_storage
1379     struct_v4l2_frmivalenum_discrete
1380     symver_asm_label
1381     symver_gnu_asm
1382     sysconf
1383     sysctl
1384     sys_mman_h
1385     sys_param_h
1386     sys_resource_h
1387     sys_select_h
1388     sys_soundcard_h
1389     sys_time_h
1390     sys_videoio_h
1391     termios_h
1392     texi2html
1393     threads
1394     trunc
1395     truncf
1396     unistd_h
1397     usleep
1398     vfp_args
1399     VirtualAlloc
1400     windows_h
1401     winsock2_h
1402     xform_asm
1403     xmm_clobbers
1404 "
1405
1406 # options emitted with CONFIG_ prefix but not available on command line
1407 CONFIG_EXTRA="
1408     aandcttables
1409     ac3dsp
1410     avutil
1411     error_resilience
1412     gcrypt
1413     golomb
1414     gplv3
1415     h264chroma
1416     h264dsp
1417     h264pred
1418     h264qpel
1419     huffman
1420     lgplv3
1421     lpc
1422     mpegaudio
1423     mpegaudiodsp
1424     mpegvideo
1425     mpegvideoenc
1426     nettle
1427     rangecoder
1428     rtpdec
1429     sinewin
1430     vp3dsp
1431 "
1432
1433 CMDLINE_SELECT="
1434     $ARCH_EXT_LIST
1435     $CONFIG_LIST
1436     $HAVE_LIST_CMDLINE
1437     $THREADS_LIST
1438     asm
1439     coverage
1440     cross_compile
1441     debug
1442     extra_warnings
1443     logging
1444     lto
1445     optimizations
1446     stripping
1447 "
1448
1449 PATHS_LIST='
1450     bindir
1451     datadir
1452     incdir
1453     libdir
1454     mandir
1455     prefix
1456     shlibdir
1457 '
1458
1459 CMDLINE_SET="
1460     $PATHS_LIST
1461     ar
1462     arch
1463     as
1464     assert_level
1465     build_suffix
1466     cc
1467     cpu
1468     cross_prefix
1469     cxx
1470     dep_cc
1471     extra_version
1472     host_cc
1473     host_cflags
1474     host_ld
1475     host_ldflags
1476     host_libs
1477     host_os
1478     install
1479     ld
1480     logfile
1481     malloc_prefix
1482     nm
1483     optflags
1484     pkg_config
1485     postproc_version
1486     progs_suffix
1487     random_seed
1488     samples
1489     strip
1490     sysinclude
1491     sysroot
1492     target_exec
1493     target_os
1494     target_path
1495     toolchain
1496     valgrind
1497     yasmexe
1498 "
1499
1500 CMDLINE_APPEND="
1501     extra_cflags
1502     extra_cxxflags
1503 "
1504
1505 # code dependency declarations
1506
1507 # architecture extensions
1508
1509 armv5te_deps="arm"
1510 armv6_deps="arm"
1511 armv6t2_deps="arm"
1512 armvfp_deps="arm"
1513 neon_deps="arm"
1514 vfpv3_deps="armvfp"
1515
1516 mipsfpu_deps="mips"
1517 mips32r2_deps="mips"
1518 mipsdspr1_deps="mips"
1519 mipsdspr2_deps="mips"
1520
1521 altivec_deps="ppc"
1522 ppc4xx_deps="ppc"
1523
1524 vis_deps="sparc"
1525
1526 x86_64_suggest="cmov fast_cmov"
1527
1528 amd3dnow_deps="mmx"
1529 amd3dnowext_deps="amd3dnow"
1530 mmx_deps="x86"
1531 mmxext_deps="mmx"
1532 sse_deps="mmxext"
1533 sse2_deps="sse"
1534 sse3_deps="sse2"
1535 ssse3_deps="sse3"
1536 sse4_deps="ssse3"
1537 sse42_deps="sse4"
1538 avx_deps="sse42"
1539 fma4_deps="avx"
1540
1541 mmx_external_deps="yasm"
1542 mmx_inline_deps="inline_asm"
1543 mmx_suggest="mmx_external mmx_inline"
1544
1545 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1546     eval dep=\$${ext}_deps
1547     eval ${ext}_external_deps='"${dep}_external"'
1548     eval ${ext}_inline_deps='"${dep}_inline"'
1549     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1550 done
1551
1552 aligned_stack_if_any="ppc x86"
1553 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1554 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1555 fast_unaligned_if_any="armv6 ppc x86"
1556
1557 inline_asm_deps="!tms470"
1558 need_memalign="altivec neon sse"
1559
1560 symver_if_any="symver_asm_label symver_gnu_asm"
1561
1562 log2_deps="!msvcrt"
1563
1564 # subsystems
1565 dct_select="rdft"
1566 mdct_select="fft"
1567 rdft_select="fft"
1568 mpegaudio_select="mpegaudiodsp"
1569 mpegaudiodsp_select="dct"
1570 mpegvideoenc_select="mpegvideo"
1571
1572 # decoders / encoders / hardware accelerators
1573 aac_decoder_select="mdct sinewin"
1574 aac_encoder_select="mdct sinewin"
1575 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1576 ac3_decoder_select="mdct ac3dsp ac3_parser"
1577 ac3_encoder_select="mdct ac3dsp"
1578 ac3_fixed_encoder_select="mdct ac3dsp"
1579 alac_encoder_select="lpc"
1580 amrnb_decoder_select="lsp"
1581 amrwb_decoder_select="lsp"
1582 amv_encoder_select="aandcttables"
1583 atrac1_decoder_select="mdct sinewin"
1584 atrac3_decoder_select="mdct"
1585 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1586 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1587 cavs_decoder_select="golomb mpegvideo"
1588 cook_decoder_select="mdct sinewin"
1589 cscd_decoder_suggest="zlib"
1590 dca_decoder_select="mdct"
1591 dirac_decoder_select="dwt golomb"
1592 dnxhd_encoder_select="aandcttables mpegvideoenc"
1593 dxa_decoder_select="zlib"
1594 eac3_decoder_select="ac3_decoder"
1595 eac3_encoder_select="ac3_encoder"
1596 eamad_decoder_select="aandcttables error_resilience mpegvideo"
1597 eatgq_decoder_select="aandcttables"
1598 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1599 exr_decoder_select="zlib"
1600 ffv1_decoder_select="golomb rangecoder"
1601 ffv1_encoder_select="rangecoder"
1602 ffvhuff_encoder_select="huffman"
1603 flac_decoder_select="golomb"
1604 flac_encoder_select="golomb lpc"
1605 flashsv_decoder_select="zlib"
1606 flashsv_encoder_select="zlib"
1607 flashsv2_encoder_select="zlib"
1608 flashsv2_decoder_select="zlib"
1609 flv_decoder_select="h263_decoder"
1610 flv_encoder_select="h263_encoder"
1611 fraps_decoder_select="huffman"
1612 h261_decoder_select="error_resilience mpegvideo"
1613 h261_encoder_select="aandcttables mpegvideoenc"
1614 h263_decoder_select="error_resilience h263_parser mpegvideo"
1615 h263_encoder_select="aandcttables error_resilience mpegvideoenc"
1616 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1617 h263i_decoder_select="h263_decoder"
1618 h263p_encoder_select="h263_encoder"
1619 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1620 h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1621 h264_dxva2_hwaccel_deps="dxva2api_h"
1622 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1623 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1624 h264_vda_decoder_select="vda h264_parser h264_decoder"
1625 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1626 h264_vda_hwaccel_select="vda h264_decoder"
1627 h264_vdpau_decoder_select="vdpau h264_decoder"
1628 huffyuv_encoder_select="huffman"
1629 iac_decoder_select="fft mdct sinewin"
1630 imc_decoder_select="fft mdct sinewin"
1631 jpegls_decoder_select="golomb"
1632 jpegls_encoder_select="golomb"
1633 ljpeg_encoder_select="aandcttables mpegvideoenc"
1634 loco_decoder_select="golomb"
1635 mdec_decoder_select="error_resilience mpegvideo"
1636 mjpeg_encoder_select="aandcttables mpegvideoenc"
1637 mlp_decoder_select="mlp_parser"
1638 mp1_decoder_select="mpegaudio"
1639 mp1float_decoder_select="mpegaudio"
1640 mp2_decoder_select="mpegaudio"
1641 mp2float_decoder_select="mpegaudio"
1642 mp3_decoder_select="mpegaudio"
1643 mp3adu_decoder_select="mpegaudio"
1644 mp3adufloat_decoder_select="mpegaudio"
1645 mp3float_decoder_select="mpegaudio"
1646 mp3on4_decoder_select="mpegaudio"
1647 mp3on4float_decoder_select="mpegaudio"
1648 mpc7_decoder_select="mpegaudiodsp"
1649 mpc8_decoder_select="mpegaudiodsp"
1650 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1651 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1652 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1653 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1654 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1655 mpeg1video_decoder_select="error_resilience mpegvideo"
1656 mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
1657 mpeg2_crystalhd_decoder_select="crystalhd"
1658 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1659 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1660 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1661 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1662 mpeg2video_decoder_select="error_resilience mpegvideo"
1663 mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
1664 mpeg4_crystalhd_decoder_select="crystalhd"
1665 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1666 mpeg4_encoder_select="h263_encoder"
1667 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1668 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1669 msmpeg4_crystalhd_decoder_select="crystalhd"
1670 msmpeg4v1_decoder_select="h263_decoder"
1671 msmpeg4v1_encoder_select="h263_encoder"
1672 msmpeg4v2_decoder_select="h263_decoder"
1673 msmpeg4v2_encoder_select="h263_encoder"
1674 msmpeg4v3_decoder_select="h263_decoder"
1675 msmpeg4v3_encoder_select="h263_encoder"
1676 mss2_decoder_select="vc1_decoder"
1677 nellymoser_decoder_select="mdct sinewin"
1678 nellymoser_encoder_select="mdct sinewin"
1679 png_decoder_select="zlib"
1680 png_encoder_select="zlib"
1681 qcelp_decoder_select="lsp"
1682 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1683 ra_144_encoder_select="lpc"
1684 ralf_decoder_select="golomb"
1685 rv10_decoder_select="h263_decoder"
1686 rv10_encoder_select="h263_encoder"
1687 rv20_decoder_select="h263_decoder"
1688 rv20_encoder_select="h263_encoder"
1689 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1690 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1691 shorten_decoder_select="golomb"
1692 sipr_decoder_select="lsp"
1693 snow_decoder_select="dwt rangecoder"
1694 snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1695 sonic_decoder_select="golomb"
1696 sonic_encoder_select="golomb"
1697 sonic_ls_encoder_select="golomb"
1698 svq1_decoder_select="error_resilience mpegvideo"
1699 svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1700 svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1701 svq3_decoder_suggest="zlib"
1702 theora_decoder_select="vp3_decoder"
1703 tiff_decoder_suggest="zlib"
1704 tiff_encoder_suggest="zlib"
1705 truehd_decoder_select="mlp_parser"
1706 tscc_decoder_select="zlib"
1707 twinvq_decoder_select="mdct lsp sinewin"
1708 utvideo_encoder_select="huffman"
1709 vc1_crystalhd_decoder_select="crystalhd"
1710 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1711 vc1_dxva2_hwaccel_deps="dxva2api_h"
1712 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1713 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1714 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1715 vc1image_decoder_select="vc1_decoder"
1716 vorbis_decoder_select="mdct"
1717 vorbis_encoder_select="mdct"
1718 vp3_decoder_select="vp3dsp"
1719 vp5_decoder_select="vp3dsp"
1720 vp6_decoder_select="huffman vp3dsp"
1721 vp6a_decoder_select="vp6_decoder"
1722 vp6f_decoder_select="vp6_decoder"
1723 vp8_decoder_select="h264pred h264qpel"
1724 wmapro_decoder_select="mdct sinewin"
1725 wmav1_decoder_select="mdct sinewin"
1726 wmav1_encoder_select="mdct sinewin"
1727 wmav2_decoder_select="mdct sinewin"
1728 wmav2_encoder_select="mdct sinewin"
1729 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1730 wmv1_decoder_select="h263_decoder"
1731 wmv1_encoder_select="h263_encoder"
1732 wmv2_decoder_select="h263_decoder"
1733 wmv2_encoder_select="h263_encoder"
1734 wmv3_decoder_select="vc1_decoder"
1735 wmv3_crystalhd_decoder_select="crystalhd"
1736 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1737 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1738 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1739 wmv3image_decoder_select="wmv3_decoder"
1740 zerocodec_decoder_select="zlib"
1741 zlib_decoder_select="zlib"
1742 zlib_encoder_select="zlib"
1743 zmbv_decoder_select="zlib"
1744 zmbv_encoder_select="zlib"
1745
1746 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1747 vaapi_deps="va_va_h"
1748 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1749 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1750
1751 # parsers
1752 h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1753 mpeg4video_parser_select="error_resilience mpegvideo"
1754 mpegvideo_parser_select="error_resilience mpegvideo"
1755 vc1_parser_select="error_resilience mpegvideo"
1756
1757 # external libraries
1758 libaacplus_encoder_deps="libaacplus"
1759 libcelt_decoder_deps="libcelt"
1760 libfaac_encoder_deps="libfaac"
1761 libfdk_aac_encoder_deps="libfdk_aac"
1762 libgsm_decoder_deps="libgsm"
1763 libgsm_encoder_deps="libgsm"
1764 libgsm_ms_decoder_deps="libgsm"
1765 libgsm_ms_encoder_deps="libgsm"
1766 libilbc_decoder_deps="libilbc"
1767 libilbc_encoder_deps="libilbc"
1768 libmodplug_demuxer_deps="libmodplug"
1769 libmp3lame_encoder_deps="libmp3lame"
1770 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1771 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1772 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1773 libopenjpeg_decoder_deps="libopenjpeg"
1774 libopenjpeg_encoder_deps="libopenjpeg"
1775 libopus_decoder_deps="libopus"
1776 libopus_encoder_deps="libopus"
1777 libschroedinger_decoder_deps="libschroedinger"
1778 libschroedinger_encoder_deps="libschroedinger"
1779 libspeex_decoder_deps="libspeex"
1780 libspeex_encoder_deps="libspeex"
1781 libstagefright_h264_decoder_deps="libstagefright_h264"
1782 libtheora_encoder_deps="libtheora"
1783 libtwolame_encoder_deps="libtwolame"
1784 libvo_aacenc_encoder_deps="libvo_aacenc"
1785 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1786 libvorbis_decoder_deps="libvorbis"
1787 libvorbis_encoder_deps="libvorbis"
1788 libvpx_decoder_deps="libvpx"
1789 libvpx_encoder_deps="libvpx"
1790 libx264_encoder_deps="libx264"
1791 libx264rgb_encoder_deps="libx264"
1792 libxavs_encoder_deps="libxavs"
1793 libxvid_encoder_deps="libxvid"
1794 libutvideo_decoder_deps="libutvideo"
1795 libutvideo_encoder_deps="libutvideo"
1796
1797 # demuxers / muxers
1798 ac3_demuxer_select="ac3_parser"
1799 asf_stream_muxer_select="asf_muxer"
1800 avisynth_demuxer_deps="avisynth"
1801 dirac_demuxer_select="dirac_parser"
1802 dts_demuxer_select="dca_parser"
1803 dtshd_demuxer_select="dca_parser"
1804 eac3_demuxer_select="ac3_parser"
1805 f4v_muxer_select="mov_muxer"
1806 flac_demuxer_select="flac_parser"
1807 ipod_muxer_select="mov_muxer"
1808 libnut_demuxer_deps="libnut"
1809 libnut_muxer_deps="libnut"
1810 matroska_audio_muxer_select="matroska_muxer"
1811 matroska_demuxer_suggest="zlib bzlib"
1812 mov_demuxer_suggest="zlib"
1813 mp3_demuxer_select="mpegaudio_parser"
1814 mp4_muxer_select="mov_muxer"
1815 mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1816 mpegtsraw_demuxer_select="mpegts_demuxer"
1817 mxf_d10_muxer_select="mxf_muxer"
1818 ogg_demuxer_select="golomb"
1819 psp_muxer_select="mov_muxer"
1820 rtp_demuxer_select="sdp_demuxer"
1821 rtp_muxer_select="mpegvideo"
1822 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1823 rtsp_demuxer_select="http_protocol rtpdec"
1824 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1825 sap_demuxer_select="sdp_demuxer"
1826 sap_muxer_select="rtp_muxer rtp_protocol"
1827 sdp_demuxer_select="rtpdec"
1828 smoothstreaming_muxer_select="ismv_muxer"
1829 spdif_muxer_select="aac_parser"
1830 tak_demuxer_select="tak_parser"
1831 tg2_muxer_select="mov_muxer"
1832 tgp_muxer_select="mov_muxer"
1833 w64_demuxer_deps="wav_demuxer"
1834
1835 # indevs / outdevs
1836 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1837 alsa_outdev_deps="alsa_asoundlib_h"
1838 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1839 caca_outdev_deps="libcaca"
1840 dshow_indev_deps="IBaseFilter"
1841 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1842 dv1394_indev_deps="dv1394 dv_demuxer"
1843 fbdev_indev_deps="linux_fb_h"
1844 iec61883_indev_deps="libiec61883"
1845 jack_indev_deps="jack_jack_h sem_timedwait"
1846 lavfi_indev_deps="avfilter"
1847 libcdio_indev_deps="libcdio"
1848 libdc1394_indev_deps="libdc1394"
1849 libv4l2_indev_deps="libv4l2"
1850 openal_indev_deps="openal"
1851 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1852 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1853 pulse_indev_deps="libpulse"
1854 sdl_outdev_deps="sdl"
1855 sndio_indev_deps="sndio_h"
1856 sndio_outdev_deps="sndio_h"
1857 v4l_indev_deps="linux_videodev_h"
1858 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1859 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1860 vfwcap_indev_extralibs="-lavicap32"
1861 x11grab_indev_deps="x11grab"
1862
1863 # protocols
1864 bluray_protocol_deps="libbluray"
1865 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1866 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1867 ffrtmpcrypt_protocol_select="tcp_protocol"
1868 ffrtmphttp_protocol_deps="!librtmp_protocol"
1869 ffrtmphttp_protocol_select="http_protocol"
1870 gopher_protocol_deps="network"
1871 httpproxy_protocol_deps="network"
1872 httpproxy_protocol_select="tcp_protocol"
1873 http_protocol_deps="network"
1874 http_protocol_select="tcp_protocol"
1875 https_protocol_select="tls_protocol"
1876 librtmp_protocol_deps="librtmp"
1877 librtmpe_protocol_deps="librtmp"
1878 librtmps_protocol_deps="librtmp"
1879 librtmpt_protocol_deps="librtmp"
1880 librtmpte_protocol_deps="librtmp"
1881 mmsh_protocol_select="http_protocol"
1882 mmst_protocol_deps="network"
1883 rtmp_protocol_deps="!librtmp_protocol"
1884 rtmp_protocol_select="tcp_protocol"
1885 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1886 rtmps_protocol_deps="!librtmp_protocol"
1887 rtmps_protocol_select="tls_protocol"
1888 rtmpt_protocol_select="ffrtmphttp_protocol"
1889 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1890 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1891 rtp_protocol_select="udp_protocol"
1892 sctp_protocol_deps="network struct_sctp_event_subscribe"
1893 tcp_protocol_deps="network"
1894 tls_protocol_deps_any="openssl gnutls"
1895 tls_protocol_select="tcp_protocol"
1896 udp_protocol_deps="network"
1897
1898 # filters
1899 aconvert_filter_deps="swresample"
1900 amovie_filter_deps="avcodec avformat"
1901 aresample_filter_deps="swresample"
1902 ass_filter_deps="libass"
1903 asyncts_filter_deps="avresample"
1904 atempo_filter_deps="avcodec rdft"
1905 blackframe_filter_deps="gpl"
1906 boxblur_filter_deps="gpl"
1907 colormatrix_filter_deps="gpl"
1908 cropdetect_filter_deps="gpl"
1909 decimate_filter_deps="gpl avcodec"
1910 delogo_filter_deps="gpl"
1911 deshake_filter_deps="avcodec"
1912 drawtext_filter_deps="libfreetype"
1913 ebur128_filter_deps="gpl"
1914 flite_filter_deps="libflite"
1915 frei0r_filter_deps="frei0r dlopen"
1916 frei0r_filter_extralibs='$ldl'
1917 frei0r_src_filter_deps="frei0r dlopen"
1918 frei0r_src_filter_extralibs='$ldl'
1919 hqdn3d_filter_deps="gpl"
1920 movie_filter_deps="avcodec avformat"
1921 mp_filter_deps="gpl avcodec swscale postproc inline_asm"
1922 mptestsrc_filter_deps="gpl"
1923 negate_filter_deps="lut_filter"
1924 resample_filter_deps="avresample"
1925 ocv_filter_deps="libopencv"
1926 pan_filter_deps="swresample"
1927 removelogo_filter_deps="avcodec avformat swscale"
1928 scale_filter_deps="swscale"
1929 smartblur_filter_deps="gpl swscale"
1930 showspectrum_filter_deps="avcodec rdft"
1931 super2xsai_filter_deps="gpl"
1932 tinterlace_filter_deps="gpl"
1933 yadif_filter_deps="gpl"
1934 pixfmts_super2xsai_test_deps="super2xsai_filter"
1935 tinterlace_merge_test_deps="tinterlace_filter"
1936 tinterlace_pad_test_deps="tinterlace_filter"
1937
1938 # libraries
1939 avdevice_deps="avcodec avformat"
1940 avformat_deps="avcodec"
1941 postproc_deps="gpl"
1942
1943 # programs
1944 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1945 ffmpeg_select="ffbuffersink_filter format_filter aformat_filter
1946                setpts_filter null_filter anull_filter ffabuffersink_filter"
1947 ffplay_deps="avcodec avformat swscale swresample sdl"
1948 ffplay_select="ffbuffersink_filter rdft crop_filter"
1949 ffprobe_deps="avcodec avformat"
1950 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1951 ffserver_extralibs='$ldl'
1952
1953 # documentation
1954 podpages_deps="perl"
1955 manpages_deps="perl pod2man"
1956 htmlpages_deps="texi2html"
1957 txtpages_deps="makeinfo"
1958 doc_deps_any="manpages htmlpages podpages txtpages"
1959
1960 # tests
1961 colormatrix1_test_deps="colormatrix_filter"
1962 colormatrix2_test_deps="colormatrix_filter"
1963 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1964 png_test_deps="zlib"
1965 pp_test_deps="mp_filter"
1966 pp2_test_deps="mp_filter"
1967 pp3_test_deps="mp_filter"
1968 pp4_test_deps="mp_filter"
1969 pp5_test_deps="mp_filter"
1970 pp6_test_deps="mp_filter"
1971 seek_flashsv_flv_test_deps="zlib"
1972 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1973
1974 test_deps(){
1975     suf1=$1
1976     suf2=$2
1977     shift 2
1978     for v; do
1979         dep=${v%=*}
1980         tests=${v#*=}
1981         for name in ${tests}; do
1982             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1983         done
1984     done
1985 }
1986
1987 test_deps _muxer _demuxer                                               \
1988     aiff                                                                \
1989     pcm_alaw=alaw                                                       \
1990     asf                                                                 \
1991     au                                                                  \
1992     avi                                                                 \
1993     dv=dv_fmt                                                           \
1994     ffm                                                                 \
1995     flv=flv_fmt                                                         \
1996     gxf                                                                 \
1997     matroska=mkv                                                        \
1998     mmf                                                                 \
1999     mov="mov ismv"                                                      \
2000     pcm_mulaw=mulaw                                                     \
2001     mxf="mxf mxf_d10"                                                   \
2002     nut                                                                 \
2003     ogg="ogg ogg_vp3"                                                   \
2004     rawvideo=pixfmt                                                     \
2005     rm                                                                  \
2006     swf                                                                 \
2007     mpegts=ts                                                           \
2008     voc                                                                 \
2009     wav                                                                 \
2010     yuv4mpegpipe=yuv4mpeg                                               \
2011
2012 # default parameters
2013
2014 logfile="config.log"
2015
2016 # installation paths
2017 prefix_default="/usr/local"
2018 bindir_default='${prefix}/bin'
2019 datadir_default='${prefix}/share/ffmpeg'
2020 incdir_default='${prefix}/include'
2021 libdir_default='${prefix}/lib'
2022 mandir_default='${prefix}/share/man'
2023 shlibdir_default="$libdir_default"
2024 postproc_version_default="current"
2025
2026 # toolchain
2027 ar_default="ar"
2028 cc_default="gcc"
2029 cxx_default="g++"
2030 host_cc_default="gcc"
2031 install="install"
2032 ln_s="ln -sf"
2033 nm_default="nm -g"
2034 objformat="elf"
2035 pkg_config_default=pkg-config
2036 ranlib="ranlib"
2037 strip_default="strip"
2038 yasmexe_default="yasm"
2039
2040 nogas=":"
2041
2042 # machine
2043 arch_default=$(uname -m)
2044 cpu="generic"
2045
2046 # OS
2047 target_os_default=$(tolower $(uname -s))
2048 host_os=$target_os_default
2049
2050 # alternative libpostproc version
2051 ALT_PP_VER_MAJOR=51
2052 ALT_PP_VER_MINOR=2
2053 ALT_PP_VER_MICRO=101
2054 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
2055
2056 # configurable options
2057 enable $PROGRAM_LIST
2058 enable $DOCUMENT_LIST
2059
2060 enable avcodec
2061 enable avdevice
2062 enable avfilter
2063 enable avformat
2064 enable avutil
2065 enable postproc
2066 enable stripping
2067 enable swresample
2068 enable swscale
2069
2070 enable asm
2071 enable debug
2072 enable doc
2073 enable network
2074 enable optimizations
2075 enable runtime_cpudetect
2076 enable safe_bitstream_reader
2077 enable static
2078 enable swscale_alpha
2079
2080 # build settings
2081 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2082 FFSERVERLDFLAGS=-Wl,-E
2083 LIBPREF="lib"
2084 LIBSUF=".a"
2085 FULLNAME='$(NAME)$(BUILDSUF)'
2086 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2087 SLIBPREF="lib"
2088 SLIBSUF=".so"
2089 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2090 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2091 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2092 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2093 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2094 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2095
2096 asflags_filter=echo
2097 cflags_filter=echo
2098 ldflags_filter=echo
2099
2100 AS_C='-c'
2101 AS_O='-o $@'
2102 CC_C='-c'
2103 CC_E='-E -o $@'
2104 CC_O='-o $@'
2105 CXX_C='-c'
2106 CXX_O='-o $@'
2107 LD_O='-o $@'
2108 LD_LIB='-l%'
2109 LD_PATH='-L'
2110 HOSTCC_C='-c'
2111 HOSTCC_O='-o $@'
2112 HOSTLD_O='-o $@'
2113
2114 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
2115 host_libs='-lm'
2116 host_cflags_filter=echo
2117 host_ldflags_filter=echo
2118
2119 target_path='$(CURDIR)'
2120
2121 # since the object filename is not given with the -MM flag, the compiler
2122 # is only able to print the basename, and we must add the path ourselves
2123 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2124 DEPFLAGS='-MM'
2125
2126 # find source path
2127 if test -f configure; then
2128     source_path=.
2129 else
2130     source_path=$(cd $(dirname "$0"); pwd)
2131     echo "$source_path" | grep -q '[[:blank:]]' &&
2132         die "Out of tree builds are impossible with whitespace in source path."
2133     test -e "$source_path/config.h" &&
2134         die "Out of tree builds are impossible with config.h in source dir."
2135 fi
2136
2137 for v in "$@"; do
2138     r=${v#*=}
2139     l=${v%"$r"}
2140     r=$(sh_quote "$r")
2141     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2142 done
2143
2144 find_things(){
2145     thing=$1
2146     pattern=$2
2147     file=$source_path/$3
2148     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2149 }
2150
2151 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2152 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2153 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2154 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2155 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
2156 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2157 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2158 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2159 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2160 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2161 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2162
2163 ALL_COMPONENTS="
2164     $BSF_LIST
2165     $DECODER_LIST
2166     $DEMUXER_LIST
2167     $ENCODER_LIST
2168     $FILTER_LIST
2169     $HWACCEL_LIST
2170     $INDEV_LIST
2171     $MUXER_LIST
2172     $OUTDEV_LIST
2173     $PARSER_LIST
2174     $PROTOCOL_LIST
2175 "
2176
2177 find_tests(){
2178     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
2179 }
2180
2181 LAVF_FATE_TESTS=$(find_tests lavf-fate)
2182 LAVF_TESTS=$(find_tests lavf)
2183 LAVFI_TESTS=$(find_tests lavfi)
2184 SEEK_TESTS=$(find_tests seek seek_)
2185
2186 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
2187
2188 for n in $COMPONENT_LIST; do
2189     v=$(toupper ${n%s})_LIST
2190     eval enable \$$v
2191     eval ${n}_if_any="\$$v"
2192 done
2193
2194 enable $ARCH_EXT_LIST $ALL_TESTS
2195
2196 die_unknown(){
2197     echo "Unknown option \"$1\"."
2198     echo "See $0 --help for available options."
2199     exit 1
2200 }
2201
2202 show_list() {
2203     suffix=_$1
2204     shift
2205     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2206     exit 0
2207 }
2208
2209 rand_list(){
2210     IFS=', '
2211     set -- $*
2212     unset IFS
2213     for thing; do
2214         comp=${thing%:*}
2215         prob=${thing#$comp}
2216         prob=${prob#:}
2217         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2218         echo "prob ${prob:-0.5}"
2219         printf '%s\n' $comp
2220     done
2221 }
2222
2223 do_random(){
2224     action=$1
2225     shift
2226     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2227     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2228 }
2229
2230 for opt do
2231     optval="${opt#*=}"
2232     case "$opt" in
2233     --extra-ldflags=*) add_ldflags $optval
2234     ;;
2235     --extra-libs=*) add_extralibs $optval
2236     ;;
2237     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2238     ;;
2239     --enable-debug=*) debuglevel="$optval"
2240     ;;
2241     --disable-everything)
2242     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2243     ;;
2244     --enable-random|--disable-random)
2245     action=${opt%%-random}
2246     do_random ${action#--} $COMPONENT_LIST
2247     ;;
2248     --enable-random=*|--disable-random=*)
2249     action=${opt%%-random=*}
2250     do_random ${action#--} $optval
2251     ;;
2252     --enable-*=*|--disable-*=*)
2253     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2254     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2255     eval list=\$$(toupper $thing)_LIST
2256     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2257     $action $(filter "$name" $list)
2258     ;;
2259     --enable-?*|--disable-?*)
2260     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2261     if is_in $option $COMPONENT_LIST; then
2262         test $action = disable && action=unset
2263         eval $action \$$(toupper ${option%s})_LIST
2264     elif is_in $option $CMDLINE_SELECT; then
2265         $action $option
2266     else
2267         die_unknown $opt
2268     fi
2269     ;;
2270     --list-*)
2271         NAME="${opt#--list-}"
2272         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2273         NAME=${NAME%s}
2274         eval show_list $NAME \$$(toupper $NAME)_LIST
2275     ;;
2276     --help|-h) show_help
2277     ;;
2278     *)
2279     optname="${opt%%=*}"
2280     optname="${optname#--}"
2281     optname=$(echo "$optname" | sed 's/-/_/g')
2282     if is_in $optname $CMDLINE_SET; then
2283         eval $optname='$optval'
2284     elif is_in $optname $CMDLINE_APPEND; then
2285         append $optname "$optval"
2286     else
2287          die_unknown $opt
2288     fi
2289     ;;
2290     esac
2291 done
2292
2293 disabled logging && logfile=/dev/null
2294
2295 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2296 set >> $logfile
2297
2298 test -n "$cross_prefix" && enable cross_compile
2299
2300 if enabled cross_compile; then
2301     test -n "$arch" && test -n "$target_os" ||
2302         die "Must specify target arch and OS when cross-compiling"
2303 fi
2304
2305 set_default arch target_os postproc_version
2306
2307 # Check if we should build alternative libpostproc version instead of current
2308 if   test "$postproc_version" = $ALT_PP_VER; then
2309   LIBPOSTPROC_VERSION=$ALT_PP_VER
2310   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2311   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2312   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2313 elif test "$postproc_version" != current; then
2314   die "Invalid argument to --postproc-version. See --help output."
2315 fi
2316
2317 ar_default="${cross_prefix}${ar_default}"
2318 cc_default="${cross_prefix}${cc_default}"
2319 cxx_default="${cross_prefix}${cxx_default}"
2320 nm_default="${cross_prefix}${nm_default}"
2321 pkg_config_default="${cross_prefix}${pkg_config_default}"
2322 ranlib="${cross_prefix}${ranlib}"
2323 strip_default="${cross_prefix}${strip_default}"
2324
2325 sysinclude_default="${sysroot}/usr/include"
2326
2327 case "$toolchain" in
2328     msvc)
2329         cc_default="c99wrap cl"
2330         ld_default="c99wrap link"
2331         nm_default="dumpbin -symbols"
2332         ar_default="lib"
2333     ;;
2334     ?*)
2335         die "Unknown toolchain $toolchain"
2336     ;;
2337 esac
2338
2339 set_default cc cxx pkg_config strip sysinclude yasmexe
2340 enabled cross_compile || host_cc_default=$cc
2341 set_default host_cc
2342
2343 if ! $pkg_config --version >/dev/null 2>&1; then
2344     warn "$pkg_config not found, library detection may fail."
2345     pkg_config=false
2346 fi
2347
2348 exesuf() {
2349     case $1 in
2350         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2351     esac
2352 }
2353
2354 EXESUF=$(exesuf $target_os)
2355 HOSTEXESUF=$(exesuf $host_os)
2356
2357 # set temporary file name
2358 : ${TMPDIR:=$TEMPDIR}
2359 : ${TMPDIR:=$TMP}
2360 : ${TMPDIR:=/tmp}
2361
2362 if ! check_cmd mktemp -u XXXXXX; then
2363     # simple replacement for missing mktemp
2364     # NOT SAFE FOR GENERAL USE
2365     mktemp(){
2366         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2367     }
2368 fi
2369
2370 tmpfile(){
2371     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2372         (set -C; exec > $tmp) 2>/dev/null ||
2373         die "Unable to create temporary file in $TMPDIR."
2374     append TMPFILES $tmp
2375     eval $1=$tmp
2376 }
2377
2378 trap 'rm -f -- $TMPFILES' EXIT
2379
2380 tmpfile TMPASM .asm
2381 tmpfile TMPC   .c
2382 tmpfile TMPCPP .cpp
2383 tmpfile TMPE   $EXESUF
2384 tmpfile TMPH   .h
2385 tmpfile TMPO   .o
2386 tmpfile TMPS   .S
2387 tmpfile TMPSH  .sh
2388 tmpfile TMPV   .ver
2389
2390 unset -f mktemp
2391
2392 chmod +x $TMPE
2393
2394 # make sure we can execute files in $TMPDIR
2395 cat > $TMPSH 2>> $logfile <<EOF
2396 #! /bin/sh
2397 EOF
2398 chmod +x $TMPSH >> $logfile 2>&1
2399 if ! $TMPSH >> $logfile 2>&1; then
2400     cat <<EOF
2401 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2402 variable to another directory and make sure that it is not mounted noexec.
2403 EOF
2404     die "Sanity test failed."
2405 fi
2406
2407 msvc_flags(){
2408     for flag; do
2409         case $flag in
2410             -fomit-frame-pointer) echo -Oy ;;
2411             -g)                   echo -Z7 ;;
2412             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2413                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2414                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2415                                        -wd4996 -wd4554 ;;
2416             -std=c99)             ;;
2417             -fno-math-errno)      ;;
2418             -fno-common)          ;;
2419             -fno-signed-zeros)    ;;
2420             -lz)                  echo zlib.lib ;;
2421             -lavifil32)           echo vfw32.lib ;;
2422             -lavicap32)           echo vfw32.lib user32.lib ;;
2423             -l*)                  echo ${flag#-l}.lib ;;
2424             *)                    echo $flag ;;
2425         esac
2426     done
2427 }
2428
2429 pgi_flags(){
2430     for flag; do
2431         case $flag in
2432             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;
2433             -fomit-frame-pointer) echo -Mnoframe ;;
2434             -g)                   echo -gopt ;;
2435             *)                    echo $flag ;;
2436         esac
2437     done
2438 }
2439
2440 suncc_flags(){
2441     for flag; do
2442         case $flag in
2443             -march=*|-mcpu=*)
2444                 case "${flag#*=}" in
2445                     native)                   echo -xtarget=native       ;;
2446                     v9|niagara)               echo -xarch=sparc          ;;
2447                     ultrasparc)               echo -xarch=sparcvis       ;;
2448                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2449                     i586|pentium)             echo -xchip=pentium        ;;
2450                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2451                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2452                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2453                     pentium4*)          echo -xtarget=pentium4           ;;
2454                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2455                     *-sse3)             echo -xarch=sse3                 ;;
2456                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
2457                     amdfam10|barcelona|bdver*) echo -xarch=sse4_1        ;;
2458                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2459                     k8|opteron|athlon64|athlon-fx)
2460                                               echo -xarch=sse2a          ;;
2461                     athlon*)                  echo -xarch=pentium_proa   ;;
2462                 esac
2463                 ;;
2464             -std=c99)             echo -xc99              ;;
2465             -fomit-frame-pointer) echo -xregs=frameptr    ;;
2466             -fPIC)                echo -KPIC -xcode=pic32 ;;
2467             -W*,*)                echo $flag              ;;
2468             -f*-*|-W*)                                    ;;
2469             *)                    echo $flag              ;;
2470         esac
2471     done
2472 }
2473
2474 tms470_flags(){
2475     for flag; do
2476         case $flag in
2477             -march=*|-mcpu=*)
2478                 case "${flag#*=}" in
2479                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
2480                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
2481                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
2482                     armv6*|arm11*)          echo -mv=6   ;;
2483                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2484                                             echo -mv=5e  ;;
2485                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2486                 esac
2487                 ;;
2488             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2489             -mfpu=vfp)      echo --float_support=vfpv2        ;;
2490             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2491             -msoft-float)   echo --float_support=vfplib       ;;
2492             -O[0-3]|-mf=*)  echo $flag                        ;;
2493             -g)             echo -g -mn                       ;;
2494             -pds=*)         echo $flag                        ;;
2495             -D*|-I*)        echo $flag                        ;;
2496             --gcc|--abi=*)  echo $flag                        ;;
2497             -me)            echo $flag                        ;;
2498         esac
2499     done
2500 }
2501
2502 probe_cc(){
2503     pfx=$1
2504     _cc=$2
2505
2506     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2507     unset _ld_o _ldflags _ld_lib _ld_path
2508     unset _depflags _DEPCMD _DEPFLAGS
2509     _flags_filter=echo
2510
2511     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2512         _type=llvm_gcc
2513         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2514         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2515         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2516         _cflags_speed='-O3'
2517         _cflags_size='-Os'
2518     elif $_cc -v 2>&1 | grep -qi ^gcc; then
2519         _type=gcc
2520         gcc_version=$($_cc --version | head -n1)
2521         gcc_basever=$($_cc -dumpversion)
2522         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2523         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2524         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2525         if ! $_cc -dumpversion | grep -q '^2\.'; then
2526             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2527         fi
2528         _cflags_speed='-O3'
2529         _cflags_size='-Os'
2530     elif $_cc --version 2>/dev/null | grep -q Intel; then
2531         _type=icc
2532         _ident=$($_cc --version | head -n1)
2533         _depflags='-MMD'
2534         _cflags_speed='-O3'
2535         _cflags_size='-Os'
2536         _cflags_noopt='-O1'
2537     elif $_cc -v 2>&1 | grep -q xlc; then
2538         _type=xlc
2539         _ident=$($_cc -qversion 2>/dev/null | head -n1)
2540         _cflags_speed='-O5'
2541         _cflags_size='-O5 -qcompact'
2542     elif $_cc -V 2>/dev/null | grep -q Compaq; then
2543         _type=ccc
2544         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2545         _DEPFLAGS='-M'
2546         debuglevel=3
2547         _ldflags='-Wl,-z,now' # calls to libots crash without this
2548         _cflags_speed='-fast'
2549         _cflags_size='-O1'
2550     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2551         test -d "$sysroot" || die "No valid sysroot specified."
2552         _type=armcc
2553         _ident=$($_cc --vsn | head -n1)
2554         armcc_conf="$PWD/armcc.conf"
2555         $_cc --arm_linux_configure                 \
2556              --arm_linux_config_file="$armcc_conf" \
2557              --configure_sysroot="$sysroot"        \
2558              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2559              die "Error creating armcc configuration file."
2560         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2561         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2562         as_default="${cross_prefix}gcc"
2563         _depflags='-MMD'
2564         _cflags_speed='-O3'
2565         _cflags_size='-Os'
2566     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2567         _type=tms470
2568         _ident=$($_cc -version | head -n1 | tr -s ' ')
2569         _flags='--gcc --abi=eabi -me'
2570         _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2571         _cc_e='-ppl -fe=$@'
2572         _cc_o='-fe=$@'
2573         as_default="${cross_prefix}gcc"
2574         ld_default="${cross_prefix}gcc"
2575         _depflags='-ppa -ppd=$(@:.o=.d)'
2576         _cflags_speed='-O3 -mf=5'
2577         _cflags_size='-O3 -mf=2'
2578         _flags_filter=tms470_flags
2579     elif $_cc -v 2>&1 | grep -q clang; then
2580         _type=clang
2581         _ident=$($_cc --version | head -n1)
2582         _depflags='-MMD'
2583         _cflags_speed='-O3'
2584         _cflags_size='-Os'
2585     elif $_cc -V 2>&1 | grep -q Sun; then
2586         _type=suncc
2587         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2588         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2589         _DEPFLAGS='-xM1 -xc99'
2590         _ldflags='-std=c99'
2591         _cflags_speed='-O5'
2592         _cflags_size='-O5 -xspace'
2593         _flags_filter=suncc_flags
2594     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2595         _type=pathscale
2596         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2597         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2598         _cflags_speed='-O2'
2599         _cflags_size='-Os'
2600         _flags_filter='filter_out -Wdisabled-optimization'
2601     elif $_cc -v 2>&1 | grep -q Open64; then
2602         _type=open64
2603         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2604         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2605         _cflags_speed='-O2'
2606         _cflags_size='-Os'
2607         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2608     elif $_cc -V 2>&1 | grep -q Portland; then
2609         _type=pgi
2610         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2611         opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2612         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2613         _cflags_size="-O2 -Munroll=c:1 $opt_common"
2614         _cflags_noopt="-O1"
2615         _flags_filter=pgi_flags
2616     elif $_cc 2>&1 | grep -q Microsoft; then
2617         _type=msvc
2618         _ident=$($cc 2>&1 | head -n1)
2619         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2620         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2621         _cflags_speed="-O2"
2622         _cflags_size="-O1"
2623         # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2624         if $_cc 2>&1 | grep -q Linker; then
2625             _ld_o='-out $@'
2626         else
2627             _ld_o='-Fe$@'
2628         fi
2629         _cc_o='-Fo $@'
2630         _cc_e='-P -Fi $@'
2631         _flags_filter=msvc_flags
2632         _ld_lib='lib%.a'
2633         _ld_path='-libpath:'
2634         _flags='-nologo'
2635         _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2636         if [ $pfx = hostcc ]; then
2637             append _cflags -Dsnprintf=_snprintf
2638         fi
2639         disable stripping
2640     fi
2641
2642     eval ${pfx}_type=\$_type
2643     eval ${pfx}_ident=\$_ident
2644 }
2645
2646 set_ccvars(){
2647     eval ${1}_C=\${_cc_c-\${${1}_C}}
2648     eval ${1}_E=\${_cc_e-\${${1}_E}}
2649     eval ${1}_O=\${_cc_o-\${${1}_O}}
2650
2651     if [ -n "$_depflags" ]; then
2652         eval ${1}_DEPFLAGS=\$_depflags
2653     else
2654         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2655         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2656         eval DEP${1}FLAGS=\$_flags
2657     fi
2658 }
2659
2660 probe_cc cc "$cc"
2661 cflags_filter=$_flags_filter
2662 cflags_speed=$_cflags_speed
2663 cflags_size=$_cflags_size
2664 cflags_noopt=$_cflags_noopt
2665 add_cflags $_flags $_cflags
2666 cc_ldflags=$_ldflags
2667 set_ccvars CC
2668
2669 probe_cc hostcc "$host_cc"
2670 host_cflags_filter=$_flags_filter
2671 add_host_cflags  $_flags $_cflags
2672 set_ccvars HOSTCC
2673
2674 test -n "$cc_type" && enable $cc_type ||
2675     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2676
2677 : ${as_default:=$cc}
2678 : ${dep_cc_default:=$cc}
2679 : ${ld_default:=$cc}
2680 : ${host_ld_default:=$host_cc}
2681 set_default ar as dep_cc ld host_ld
2682
2683 probe_cc as "$as"
2684 asflags_filter=$_flags_filter
2685 add_asflags $_flags $_cflags
2686 set_ccvars AS
2687
2688 probe_cc ld "$ld"
2689 ldflags_filter=$_flags_filter
2690 add_ldflags $_flags $_ldflags
2691 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2692 LD_O=${_ld_o-$LD_O}
2693 LD_LIB=${_ld_lib-$LD_LIB}
2694 LD_PATH=${_ld_path-$LD_PATH}
2695
2696 probe_cc hostld "$host_ld"
2697 host_ldflags_filter=$_flags_filter
2698 add_host_ldflags $_flags $_ldflags
2699 HOSTLD_O=${_ld_o-$HOSTLD_O}
2700
2701 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2702     probe_cc depcc "$dep_cc"
2703     CCDEP=${_DEPCMD:-$DEPCMD}
2704     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2705     DEPCCFLAGS=$_flags
2706 fi
2707
2708 if $ar 2>&1 | grep -q Microsoft; then
2709     arflags="-nologo"
2710     ar_o='-out:$@'
2711 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2712     arflags="rq"
2713     ar_o='$@'
2714 else
2715     arflags="rc"
2716     ar_o='$@'
2717 fi
2718
2719 add_cflags $extra_cflags
2720 add_cxxflags $extra_cxxflags
2721 add_asflags $extra_cflags
2722
2723 if test -n "$sysroot"; then
2724     case "$cc_type" in
2725         gcc|llvm_gcc|clang)
2726             add_cppflags --sysroot="$sysroot"
2727             add_ldflags --sysroot="$sysroot"
2728         ;;
2729         tms470)
2730             add_cppflags -I"$sysinclude"
2731             add_ldflags  --sysroot="$sysroot"
2732         ;;
2733     esac
2734 fi
2735
2736 if test "$cpu" = host; then
2737     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2738
2739     case "$cc_type" in
2740         gcc|llvm_gcc)
2741             check_native(){
2742                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2743                 sed -n "/cc1.*$1=/{
2744                             s/.*$1=\\([^ ]*\\).*/\\1/
2745                             p
2746                             q
2747                         }" $TMPE
2748             }
2749             cpu=$(check_native -march || check_native -mcpu)
2750         ;;
2751     esac
2752
2753     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2754 fi
2755
2756 # Deal with common $arch aliases
2757 case "$arch" in
2758     arm*|iPad*)
2759         arch="arm"
2760     ;;
2761     mips|mipsel|IP*)
2762         arch="mips"
2763     ;;
2764     mips64*)
2765         arch="mips"
2766         subarch="mips64"
2767     ;;
2768     parisc|hppa)
2769         arch="parisc"
2770     ;;
2771     parisc64|hppa64)
2772         arch="parisc"
2773         subarch="parisc64"
2774     ;;
2775     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2776         arch="ppc"
2777     ;;
2778     s390|s390x)
2779         arch="s390"
2780     ;;
2781     sh4|sh)
2782         arch="sh4"
2783     ;;
2784     sun4u|sparc64)
2785         arch="sparc"
2786         subarch="sparc64"
2787     ;;
2788     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2789         arch="x86"
2790     ;;
2791 esac
2792
2793 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2794 enable $arch
2795
2796 # Add processor-specific flags
2797 if test "$cpu" = generic; then
2798     : do nothing
2799 elif enabled ppc; then
2800
2801     case $(tolower $cpu) in
2802         601|ppc601|powerpc601)
2803             cpuflags="-mcpu=601"
2804             disable altivec
2805         ;;
2806         603*|ppc603*|powerpc603*)
2807             cpuflags="-mcpu=603"
2808             disable altivec
2809         ;;
2810         604*|ppc604*|powerpc604*)
2811             cpuflags="-mcpu=604"
2812             disable altivec
2813         ;;
2814         g3|75*|ppc75*|powerpc75*)
2815             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2816             disable altivec
2817         ;;
2818         g4|745*|ppc745*|powerpc745*)
2819             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2820         ;;
2821         74*|ppc74*|powerpc74*)
2822             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2823         ;;
2824         g5|970|ppc970|powerpc970)
2825             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2826         ;;
2827         power[3-7]*)
2828             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2829         ;;
2830         cell)
2831             cpuflags="-mcpu=cell"
2832             enable ldbrx
2833         ;;
2834         e500mc)
2835             cpuflags="-mcpu=e500mc"
2836             disable altivec
2837         ;;
2838         e500v2)
2839             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2840             disable altivec
2841         ;;
2842         e500)
2843             cpuflags="-mcpu=8540 -mhard-float"
2844             disable altivec
2845         ;;
2846     esac
2847
2848 elif enabled x86; then
2849
2850     case $cpu in
2851         i[345]86|pentium)
2852             cpuflags="-march=$cpu"
2853             disable mmx
2854         ;;
2855         # targets that do NOT support conditional mov (cmov)
2856         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2857             cpuflags="-march=$cpu"
2858             disable cmov
2859         ;;
2860         # targets that do support conditional mov (cmov)
2861         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
2862             cpuflags="-march=$cpu"
2863             enable cmov
2864             enable fast_cmov
2865         ;;
2866         # targets that do support conditional mov but on which it's slow
2867         pentium4|pentium4m|prescott|nocona)
2868             cpuflags="-march=$cpu"
2869             enable cmov
2870             disable fast_cmov
2871         ;;
2872     esac
2873
2874 elif enabled sparc; then
2875
2876     case $cpu in
2877         niagara)
2878             cpuflags="-mcpu=$cpu"
2879             disable vis
2880         ;;
2881         sparc64)
2882             cpuflags="-mcpu=v9"
2883         ;;
2884     esac
2885
2886 elif enabled arm; then
2887
2888     case $cpu in
2889         armv*)
2890             cpuflags="-march=$cpu"
2891             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2892         ;;
2893         *)
2894             cpuflags="-mcpu=$cpu"
2895             case $cpu in
2896                 cortex-a*)                               subarch=armv7a  ;;
2897                 cortex-r*)                               subarch=armv7r  ;;
2898                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2899                 arm11*)                                  subarch=armv6   ;;
2900                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2901                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2902             esac
2903         ;;
2904     esac
2905
2906 elif enabled alpha; then
2907
2908     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2909
2910 elif enabled bfin; then
2911
2912     cpuflags="-mcpu=$cpu"
2913
2914 elif enabled mips; then
2915
2916     cpuflags="-march=$cpu"
2917
2918     case $cpu in
2919         24kc)
2920             disable mipsfpu
2921             disable mipsdspr1
2922             disable mipsdspr2
2923         ;;
2924         24kf*)
2925             disable mipsdspr1
2926             disable mipsdspr2
2927         ;;
2928         24kec|34kc|1004kc)
2929             disable mipsfpu
2930             disable mipsdspr2
2931         ;;
2932         24kef*|34kf*|1004kf*)
2933             disable mipsdspr2
2934         ;;
2935         74kc)
2936             disable mipsfpu
2937         ;;
2938     esac
2939
2940 elif enabled avr32; then
2941
2942     case $cpu in
2943         ap7[02]0[0-2])
2944             subarch="avr32_ap"
2945             cpuflags="-mpart=$cpu"
2946         ;;
2947         ap)
2948             subarch="avr32_ap"
2949             cpuflags="-march=$cpu"
2950         ;;
2951         uc3[ab]*)
2952             subarch="avr32_uc"
2953             cpuflags="-mcpu=$cpu"
2954         ;;
2955         uc)
2956             subarch="avr32_uc"
2957             cpuflags="-march=$cpu"
2958         ;;
2959     esac
2960
2961 fi
2962
2963 add_cflags $cpuflags
2964 add_asflags $cpuflags
2965
2966 # compiler sanity check
2967 check_exec <<EOF
2968 int main(void){ return 0; }
2969 EOF
2970 if test "$?" != 0; then
2971     echo "$cc is unable to create an executable file."
2972     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2973         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2974         echo "Only do this if you know what cross compiling means."
2975     fi
2976     die "C compiler test failed."
2977 fi
2978
2979 add_cppflags -D_ISOC99_SOURCE
2980 add_cxxflags -D__STDC_CONSTANT_MACROS
2981 check_cflags -std=c99
2982 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2983 #include <stdlib.h>
2984 EOF
2985 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2986 #include <stdlib.h>
2987 EOF
2988
2989 check_host_cflags -std=c99
2990 check_host_cflags -Wall
2991
2992 case "$arch" in
2993     alpha|ia64|mips|parisc|sparc)
2994         spic=$shared
2995     ;;
2996     x86)
2997         subarch="x86_32"
2998         check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2999         if test "$subarch" = "x86_64"; then
3000             spic=$shared
3001         fi
3002     ;;
3003     ppc)
3004         check_cc <<EOF && subarch="ppc64"
3005         int test[(int)sizeof(char*) - 7];
3006 EOF
3007     ;;
3008 esac
3009
3010 enable $subarch
3011 enabled spic && enable pic
3012
3013 # OS specific
3014 case $target_os in
3015     haiku)
3016         prefix_default="/boot/common"
3017         network_extralibs="-lnetwork"
3018         host_libs=
3019         ;;
3020     sunos)
3021         FFSERVERLDFLAGS=""
3022         SHFLAGS='-shared -Wl,-h,$$(@F)'
3023         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3024         network_extralibs="-lsocket -lnsl"
3025         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3026         # When using suncc to build, the Solaris linker will mark
3027         # an executable with each instruction set encountered by
3028         # the Solaris assembler.  As our libraries contain their own
3029         # guards for processor-specific code, instead suppress
3030         # generation of the HWCAPS ELF section on Solaris x86 only.
3031         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
3032         nm_default='nm -P -g'
3033         ;;
3034     netbsd)
3035         disable symver
3036         oss_indev_extralibs="-lossaudio"
3037         oss_outdev_extralibs="-lossaudio"
3038         enabled gcc || check_ldflags -Wl,-zmuldefs
3039         ;;
3040     openbsd|bitrig)
3041         # On OpenBSD 4.5. the compiler does not use PIC unless
3042         # explicitly using -fPIC. FFmpeg builds fine without PIC,
3043         # however the generated executable will not do anything
3044         # (simply quits with exit-code 1, no crash, no output).
3045         # Thus explicitly enable PIC here.
3046         enable pic
3047         disable symver
3048         SHFLAGS='-shared'
3049         SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
3050         SLIB_INSTALL_LINKS=
3051         oss_indev_extralibs="-lossaudio"
3052         oss_outdev_extralibs="-lossaudio"
3053         ;;
3054     dragonfly)
3055         disable symver
3056         ;;
3057     freebsd)
3058         ;;
3059     bsd/os)
3060         add_extralibs -lpoll -lgnugetopt
3061         strip="strip -d"
3062         ;;
3063     darwin)
3064         gas="gas-preprocessor.pl $cc"
3065         enabled ppc && add_asflags -force_cpusubtype_ALL
3066         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3067         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3068         strip="${strip} -x"
3069         add_ldflags -Wl,-dynamic,-search_paths_first
3070         SLIBSUF=".dylib"
3071         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3072         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3073         FFSERVERLDFLAGS=-Wl,-bind_at_load
3074         objformat="macho"
3075         enabled x86_64 && objformat="macho64"
3076         enabled_any pic shared ||
3077             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3078         ;;
3079     mingw32*)
3080         if test $target_os = "mingw32ce"; then
3081             disable network
3082         else
3083             target_os=mingw32
3084         fi
3085         LIBTARGET=i386
3086         if enabled x86_64; then
3087             LIBTARGET="i386:x86-64"
3088         elif enabled arm; then
3089             LIBTARGET=arm-wince
3090         fi
3091         shlibdir_default="$bindir_default"
3092         SLIBPREF=""
3093         SLIBSUF=".dll"
3094         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3095         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3096         dlltool="${cross_prefix}dlltool"
3097         if check_cmd lib.exe -list; then
3098             SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3099             if enabled x86_64; then
3100                 LIBTARGET=x64
3101             fi
3102         elif check_cmd $dlltool --version; then
3103             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3104         fi
3105         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3106         SLIB_INSTALL_LINKS=
3107         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3108         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3109         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3110         objformat="win32"
3111         ranlib=:
3112         enable dos_paths
3113         add_cppflags -U__STRICT_ANSI__
3114         ;;
3115     cygwin*)
3116         target_os=cygwin
3117         shlibdir_default="$bindir_default"
3118         SLIBPREF="cyg"
3119         SLIBSUF=".dll"
3120         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3121         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3122         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3123         SLIB_INSTALL_LINKS=
3124         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3125         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3126         objformat="win32"
3127         enable dos_paths
3128         add_cppflags -U__STRICT_ANSI__
3129         ;;
3130     *-dos|freedos|opendos)
3131         network_extralibs="-lsocket"
3132         objformat="coff"
3133         enable dos_paths
3134         add_cppflags -U__STRICT_ANSI__
3135         ;;
3136     linux)
3137         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3138         enable dv1394
3139         ;;
3140     irix*)
3141         target_os=irix
3142         ranlib="echo ignoring ranlib"
3143         ;;
3144     os/2*)
3145         strip="lxlite -CS"
3146         ln_s="cp -f"
3147         objformat="aout"
3148         add_cppflags -D_GNU_SOURCE
3149         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3150         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3151         FFSERVERLDFLAGS=""
3152         LIBSUF="_s.a"
3153         SLIBPREF=""
3154         SLIBSUF=".dll"
3155         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3156         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3157         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3158             echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3159             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3160             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3161             echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3162             emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3163         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3164             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3165         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3166         enable dos_paths
3167         enable_weak os2threads
3168         ;;
3169     gnu/kfreebsd)
3170         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
3171         ;;
3172     gnu)
3173         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3174         ;;
3175     qnx)
3176         add_cppflags -D_QNX_SOURCE
3177         network_extralibs="-lsocket"
3178         ;;
3179     symbian)
3180         SLIBSUF=".dll"
3181         enable dos_paths
3182         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3183         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3184         add_ldflags -Wl,--target1-abs,--no-undefined \
3185                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3186                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3187         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3188                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3189                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3190         ;;
3191     osf1)
3192         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3193         FFSERVERLDFLAGS=
3194         ;;
3195     none)
3196         ;;
3197     *)
3198         die "Unknown OS '$target_os'."
3199         ;;
3200 esac
3201
3202 # determine libc flavour
3203
3204 if check_cpp_condition features.h "defined __UCLIBC__"; then
3205     libc_type=uclibc
3206 elif check_cpp_condition features.h "defined __GLIBC__"; then
3207     libc_type=glibc
3208 elif check_header _mingw.h; then
3209     libc_type=mingw
3210     check_cpp_condition _mingw.h \
3211         "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3212             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3213         die "ERROR: MinGW runtime version must be >= 3.15."
3214     if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3215             __MINGW64_VERSION_MAJOR < 3"; then
3216         enable broken_snprintf
3217         add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3218     fi
3219 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3220     libc_type=newlib
3221 elif check_func_headers stdlib.h _get_doserrno; then
3222     libc_type=msvcrt
3223     enable broken_snprintf
3224     add_cflags -Dstrtod=avpriv_strtod
3225     add_cflags -Dsnprintf=avpriv_snprintf   \
3226                -D_snprintf=avpriv_snprintf  \
3227                -Dvsnprintf=avpriv_vsnprintf
3228 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3229     libc_type=klibc
3230 fi
3231
3232 test -n "$libc_type" && enable $libc_type
3233
3234 esc(){
3235     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3236 }
3237
3238 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3239
3240 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3241
3242 set_default $PATHS_LIST
3243 set_default nm
3244
3245 # we need to build at least one lib type
3246 if ! enabled_any static shared; then
3247     cat <<EOF
3248 At least one library type must be built.
3249 Specify --enable-static to build the static libraries or --enable-shared to
3250 build the shared libraries as well. To only build the shared libraries specify
3251 --disable-static in addition to --enable-shared.
3252 EOF
3253     exit 1;
3254 fi
3255
3256 die_license_disabled() {
3257     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3258 }
3259
3260 die_license_disabled_gpl() {
3261     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3262 }
3263
3264 die_license_disabled gpl libcdio
3265 die_license_disabled gpl libutvideo
3266 die_license_disabled gpl libx264
3267 die_license_disabled gpl libxavs
3268 die_license_disabled gpl libxvid
3269 die_license_disabled gpl x11grab
3270
3271 die_license_disabled nonfree libaacplus
3272 die_license_disabled nonfree libfaac
3273 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3274 enabled gpl && die_license_disabled_gpl nonfree openssl
3275
3276 die_license_disabled version3 libopencore_amrnb
3277 die_license_disabled version3 libopencore_amrwb
3278 die_license_disabled version3 libvo_aacenc
3279 die_license_disabled version3 libvo_amrwbenc
3280
3281 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3282
3283 disabled optimizations || check_cflags -fomit-frame-pointer
3284
3285 enable_pic() {
3286     enable pic
3287     add_cppflags -DPIC
3288     add_cflags   -fPIC
3289     add_asflags  -fPIC
3290 }
3291
3292 enabled pic && enable_pic
3293
3294 check_cc <<EOF || die "Symbol mangling check failed."
3295 int ff_extern;
3296 EOF
3297 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3298 extern_prefix=${sym%%ff_extern*}
3299
3300 check_cc <<EOF && enable_weak inline_asm
3301 void foo(void) { __asm__ volatile ("" ::); }
3302 EOF
3303
3304 _restrict=
3305 for restrict_keyword in restrict __restrict__ __restrict; do
3306     check_cc <<EOF && _restrict=$restrict_keyword && break
3307 void foo(char * $restrict_keyword p);
3308 EOF
3309 done
3310
3311 check_cc <<EOF && enable attribute_packed
3312 struct { int x; } __attribute__((packed)) x;
3313 EOF
3314
3315 check_cc <<EOF && enable attribute_may_alias
3316 union { int x; } __attribute__((may_alias)) x;
3317 EOF
3318
3319 check_cc <<EOF || die "endian test failed"
3320 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3321 EOF
3322 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3323
3324 if enabled alpha; then
3325
3326     check_cflags -mieee
3327
3328 elif enabled arm; then
3329
3330     enabled thumb && check_cflags -mthumb || check_cflags -marm
3331     nogas=die
3332
3333     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3334         enable vfp_args
3335     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3336         case "${cross_prefix:-$cc}" in
3337             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
3338             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3339 __asm__ (".eabi_attribute 28, 1");
3340 int main(void) { return 0; }
3341 EOF
3342         esac
3343         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3344     fi
3345
3346     enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
3347     enabled armv6   && check_inline_asm armv6   '"sadd16 r0, r0, r0"'
3348     enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
3349     enabled armvfp  && check_inline_asm armvfp  '"fadds s0, s0, s0"'
3350     enabled neon    && check_inline_asm neon    '"vadd.i16 q0, q0, q0"'
3351     enabled vfpv3   && check_inline_asm vfpv3   '"vmov.f32 s0, #1.0"'
3352
3353     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3354     check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3355
3356     enabled_all armv6t2 shared !pic && enable_pic
3357
3358 elif enabled mips; then
3359
3360     check_inline_asm loongson '"dmult.g $1, $2, $3"'
3361     enabled mips32r2  && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3362      check_inline_asm mips32r2  '"rotr $t0, $t1, 1"'
3363     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3364      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3365     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3366      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3367     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3368      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
3369
3370 elif enabled ppc; then
3371
3372     enable local_aligned_8 local_aligned_16
3373
3374     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3375     check_inline_asm ibm_asm   '"add 0, 0, 0"'
3376     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'
3377     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3378
3379     # AltiVec flags: The FSF version of GCC differs from the Apple version
3380     if enabled altivec; then
3381         nogas=warn
3382         check_cflags -maltivec -mabi=altivec &&
3383         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3384         check_cflags -faltivec
3385
3386         # check if our compiler supports Motorola AltiVec C API
3387         check_cc <<EOF || disable altivec
3388 $inc_altivec_h
3389 int main(void) {
3390     vector signed int v1 = (vector signed int) { 0 };
3391     vector signed int v2 = (vector signed int) { 1 };
3392     v1 = vec_add(v1, v2);
3393     return 0;
3394 }
3395 EOF
3396
3397         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3398     fi
3399
3400 elif enabled sparc; then
3401
3402     enabled vis &&
3403         check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3404             add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3405
3406 elif enabled x86; then
3407
3408     check_code ld intrin.h "__rdtsc()" "cc" && enable rdtsc
3409
3410     check_code ld mmintrin.h "_mm_empty()" "cc" && enable mm_empty
3411
3412     enable local_aligned_8 local_aligned_16
3413
3414     # check whether EBP is available on x86
3415     # As 'i' is stored on the stack, this program will crash
3416     # if the base pointer is used to access it because the
3417     # base pointer is cleared in the inline assembly code.
3418     check_exec_crash <<EOF && enable ebp_available
3419 volatile int i=0;
3420 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3421 return i;
3422 EOF
3423
3424     # check whether EBX is available on x86
3425     check_inline_asm ebx_available '""::"b"(0)' &&
3426         check_inline_asm ebx_available '"":::"%ebx"'
3427
3428     # check whether xmm clobbers are supported
3429     check_inline_asm xmm_clobbers '"":::"%xmm0"'
3430
3431     # check whether binutils is new enough to compile SSSE3/MMXEXT
3432     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'
3433     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3434
3435     if ! disabled_any asm mmx yasm; then
3436         if check_cmd $yasmexe --version; then
3437             enabled x86_64 && yasm_extra="-m amd64"
3438             yasm_debug="-g dwarf2"
3439         elif check_cmd nasm -v; then
3440             yasmexe=nasm
3441             yasm_debug="-g -F dwarf"
3442             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3443         fi
3444
3445         YASMFLAGS="-f $objformat $yasm_extra"
3446         enabled pic               && append YASMFLAGS "-DPIC"
3447         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3448         case "$objformat" in
3449             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3450         esac
3451
3452         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3453             die "yasm not found, use --disable-yasm for a crippled build"
3454         check_yasm "vextractf128 xmm0, ymm0, 0"      || disable avx_external
3455         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3456         check_yasm "CPU amdnop" && enable cpunop
3457     fi
3458
3459     case "$cpu" in
3460         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3461             disable fast_clz
3462         ;;
3463     esac
3464
3465 fi
3466
3467 if enabled asm; then
3468     as=${gas:=$as}
3469     check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3470         $nogas "GNU assembler not found, install gas-preprocessor"
3471 fi
3472
3473 check_ldflags -Wl,--as-needed
3474
3475 if check_func dlopen; then
3476     ldl=
3477 elif check_func dlopen -ldl; then
3478     ldl=-ldl
3479 fi
3480
3481 if enabled network; then
3482     check_type "sys/types.h sys/socket.h" socklen_t
3483     check_type netdb.h "struct addrinfo"
3484     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3485     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3486     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3487     check_type netinet/in.h "struct sockaddr_in6"
3488     check_type poll.h "struct pollfd"
3489     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3490     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3491     check_type netinet/sctp.h "struct sctp_event_subscribe"
3492     check_func getaddrinfo $network_extralibs
3493     # Prefer arpa/inet.h over winsock2
3494     if check_header arpa/inet.h ; then
3495         check_func closesocket
3496     elif check_header winsock2.h ; then
3497         check_func_headers winsock2.h closesocket -lws2 &&
3498             network_extralibs="-lws2" ||
3499         { check_func_headers winsock2.h closesocket -lws2_32 &&
3500             network_extralibs="-lws2_32"; }
3501         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3502         check_type ws2tcpip.h socklen_t
3503         check_type ws2tcpip.h "struct addrinfo"
3504         check_type ws2tcpip.h "struct group_source_req"
3505         check_type ws2tcpip.h "struct ip_mreq_source"
3506         check_type ws2tcpip.h "struct ipv6_mreq"
3507         check_type winsock2.h "struct pollfd"
3508         check_type ws2tcpip.h "struct sockaddr_in6"
3509         check_type ws2tcpip.h "struct sockaddr_storage"
3510         check_struct winsock2.h "struct sockaddr" sa_len
3511     else
3512         disable network
3513     fi
3514 fi
3515
3516 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3517 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3518
3519 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3520 check_func  fcntl
3521 check_func  fork
3522 check_func  gethrtime
3523 check_func  getopt
3524 check_func  getrusage
3525 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3526 check_func  gettimeofday
3527 check_func  inet_aton $network_extralibs
3528 check_func  isatty
3529 check_func  localtime_r
3530 check_func  ${malloc_prefix}memalign            && enable memalign
3531 check_func  mkstemp
3532 check_func  mmap
3533 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3534 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
3535 check_func  setrlimit
3536 check_func  strerror_r
3537 check_func  sched_getaffinity
3538 check_func  sysconf
3539 check_func  sysctl
3540 check_func  usleep
3541 check_func_headers conio.h kbhit
3542 check_func_headers windows.h PeekNamedPipe
3543 check_func_headers io.h setmode
3544 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3545 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3546 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
3547 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3548 check_func_headers windows.h GetProcessAffinityMask
3549 check_func_headers windows.h GetProcessTimes
3550 check_func_headers windows.h GetSystemTimeAsFileTime
3551 check_func_headers windows.h MapViewOfFile
3552 check_func_headers windows.h Sleep
3553 check_func_headers windows.h VirtualAlloc
3554 check_func_headers glob.h glob
3555
3556 check_header direct.h
3557 check_header dlfcn.h
3558 check_header dxva.h
3559 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3560 check_header io.h
3561 check_header libcrystalhd/libcrystalhd_if.h
3562 check_header malloc.h
3563 check_header poll.h
3564 check_header sys/mman.h
3565 check_header sys/param.h
3566 check_header sys/resource.h
3567 check_header sys/select.h
3568 check_header sys/time.h
3569 check_header termios.h
3570 check_header unistd.h
3571 check_header vdpau/vdpau.h
3572 check_header vdpau/vdpau_x11.h
3573 check_header windows.h
3574 check_header X11/extensions/XvMClib.h
3575 check_header asm/types.h
3576
3577 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3578 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3579
3580 # check for VDA header
3581 if ! disabled vda && ! enabled ppc; then
3582     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3583         enable vda
3584         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3585     fi
3586 fi
3587
3588 if ! disabled w32threads && ! enabled pthreads; then
3589     check_func _beginthreadex && enable w32threads
3590 fi
3591
3592 # check for some common methods of building with pthread support
3593 # do this before the optional library checks as some of them require pthreads
3594 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3595     enable pthreads
3596     if check_func pthread_create; then
3597         :
3598     elif check_func pthread_create -pthread; then
3599         add_cflags -pthread
3600         add_extralibs -pthread
3601     elif check_func pthread_create -pthreads; then
3602         add_cflags -pthreads
3603         add_extralibs -pthreads
3604     elif check_func pthread_create -lpthreadGC2; then
3605         add_extralibs -lpthreadGC2
3606     elif ! check_lib pthread.h pthread_create -lpthread; then
3607         disable pthreads
3608     fi
3609 fi
3610
3611 for thread in $THREADS_LIST; do
3612     if enabled $thread; then
3613         test -n "$thread_type" &&
3614             die "ERROR: Only one thread type must be selected." ||
3615             thread_type="$thread"
3616     fi
3617 done
3618
3619 if enabled pthreads; then
3620   check_func pthread_cancel
3621 fi
3622
3623 check_lib math.h sin -lm && LIBM="-lm"
3624 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3625 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3626
3627 check_mathfunc cbrtf
3628 check_mathfunc exp2
3629 check_mathfunc exp2f
3630 check_mathfunc isinf
3631 check_mathfunc isnan
3632 check_mathfunc llrint
3633 check_mathfunc llrintf
3634 check_mathfunc log2
3635 check_mathfunc log2f
3636 check_mathfunc lrint
3637 check_mathfunc lrintf
3638 check_mathfunc rint
3639 check_mathfunc round
3640 check_mathfunc roundf
3641 check_mathfunc trunc
3642 check_mathfunc truncf
3643
3644 # these are off by default, so fail if requested and not available
3645 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3646 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3647 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3648 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3649 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
3650 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3651 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3652 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3653 enabled libcdio    && require2 libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3654 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3655                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3656                         die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
3657 enabled libcaca    && require_pkg_config caca caca.h caca_create_canvas
3658 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3659 enabled libfdk_aac && require  libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3660 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"
3661 enabled libflite   && require2 libflite "flite/flite.h" flite_init $flite_libs
3662 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3663 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3664 enabled libilbc    && require  libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3665 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3666 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3667 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3668 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3669 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3670 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3671 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3672 enabled libopus    && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3673 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3674 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3675 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3676 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3677 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3678     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3679     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3680 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3681 enabled libtwolame && require  libtwolame twolame.h twolame_init -ltwolame &&
3682                       { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
3683                         die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
3684 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3685 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3686 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3687 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3688 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3689 enabled libvpx     && {
3690     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3691                                 die "ERROR: libvpx decoder must be installed and version must be >=0.9.1"; }
3692     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
3693                                 die "ERROR: libvpx encoder version must be >=0.9.7"; } }
3694 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3695                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3696                         die "ERROR: libx264 must be installed and version must be >= 0.118."; }
3697 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3698 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3699 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3700                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3701                         die "ERROR: openal not found"; } &&
3702                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3703                         die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
3704 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3705                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3706                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3707                         die "ERROR: openssl not found"; }
3708
3709 if enabled gnutls; then
3710     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3711     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3712 fi
3713
3714 # libdc1394 check
3715 if enabled libdc1394; then
3716     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3717         enable libdc1394_2; } ||
3718     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3719         enable libdc1394_1; } ||
3720     die "ERROR: No version of libdc1394 found "
3721 fi
3722
3723 SDL_CONFIG="${cross_prefix}sdl-config"
3724 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3725     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3726     enable sdl &&
3727     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3728 else
3729   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3730     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3731     sdl_libs=$("${SDL_CONFIG}" --libs)
3732     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3733     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3734     enable sdl &&
3735     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3736   fi
3737 fi
3738 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3739
3740 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
3741 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3742 perl --version > /dev/null 2>&1 && enable perl || disable perl
3743 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
3744
3745 check_header linux/fb.h
3746 check_header linux/videodev.h
3747 check_header linux/videodev2.h
3748 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3749
3750 check_header sys/videoio.h
3751
3752 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3753 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3754 # w32api 3.12 had it defined wrong
3755 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3756
3757 check_type "dshow.h" IBaseFilter
3758
3759 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3760 { check_header dev/bktr/ioctl_meteor.h &&
3761   check_header dev/bktr/ioctl_bt848.h; } ||
3762 { check_header machine/ioctl_meteor.h &&
3763   check_header machine/ioctl_bt848.h; } ||
3764 { check_header dev/video/meteor/ioctl_meteor.h &&
3765   check_header dev/video/bktr/ioctl_bt848.h; } ||
3766 check_header dev/ic/bt8xx.h
3767
3768 check_header sndio.h
3769 if check_struct sys/soundcard.h audio_buf_info bytes; then
3770     enable_safe sys/soundcard.h
3771 else
3772     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3773     #include <sys/soundcard.h>
3774     audio_buf_info abc;
3775 EOF
3776 fi
3777 check_header soundcard.h
3778
3779 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3780
3781 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
3782     check_func jack_port_get_latency_range -ljack
3783
3784 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3785
3786 enabled x11grab                                           &&
3787 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3788 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3789 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3790
3791 if ! disabled vaapi; then
3792     check_lib va/va.h vaInitialize -lva && {
3793         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3794         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3795     } || disable vaapi
3796 fi
3797
3798 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3799     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3800         { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." && disable vdpau; }
3801 fi
3802
3803 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3804 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3805 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"
3806
3807 # add some useful compiler flags if supported
3808 check_cflags -Wdeclaration-after-statement
3809 check_cflags -Wall
3810 check_cflags -Wno-parentheses
3811 check_cflags -Wno-switch
3812 check_cflags -Wno-format-zero-length
3813 check_cflags -Wdisabled-optimization
3814 check_cflags -Wpointer-arith
3815 check_cflags -Wredundant-decls
3816 check_cflags -Wno-pointer-sign
3817 check_cflags -Wwrite-strings
3818 check_cflags -Wtype-limits
3819 check_cflags -Wundef
3820 check_cflags -Wmissing-prototypes
3821 check_cflags -Wno-pointer-to-int-cast
3822 check_cflags -Wstrict-prototypes
3823 enabled extra_warnings && check_cflags -Winline
3824
3825 # add some linker flags
3826 check_ldflags -Wl,--warn-common
3827 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3828 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3829
3830 enabled xmm_clobber_test &&
3831     check_ldflags -Wl,--wrap,avcodec_open2              \
3832                   -Wl,--wrap,avcodec_decode_audio4      \
3833                   -Wl,--wrap,avcodec_decode_video2      \
3834                   -Wl,--wrap,avcodec_decode_subtitle2   \
3835                   -Wl,--wrap,avcodec_encode_audio2      \
3836                   -Wl,--wrap,avcodec_encode_video       \
3837                   -Wl,--wrap,avcodec_encode_subtitle    \
3838                   -Wl,--wrap,sws_scale ||
3839     disable xmm_clobber_test
3840
3841 echo "X{};" > $TMPV
3842 if test_ldflags -Wl,--version-script,$TMPV; then
3843     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3844     check_cc <<EOF && enable symver_asm_label
3845 void ff_foo(void) __asm__ ("av_foo@VERSION");
3846 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3847 EOF
3848     check_cc <<EOF && enable symver_gnu_asm
3849 __asm__(".symver ff_foo,av_foo@VERSION");
3850 void ff_foo(void) {}
3851 EOF
3852 fi
3853
3854 if [ -z "$optflags" ]; then
3855     if enabled small; then
3856         optflags=$cflags_size
3857     elif enabled optimizations; then
3858         optflags=$cflags_speed
3859     else
3860         optflags=$cflags_noopt
3861     fi
3862 fi
3863
3864 check_optflags(){
3865     check_cflags "$@"
3866     enabled lto && check_ldflags "$@"
3867 }
3868
3869
3870 if enabled lto; then
3871     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
3872     check_cflags  -flto
3873     check_ldflags -flto $cpuflags
3874 fi
3875
3876 check_optflags $optflags
3877 check_optflags -fno-math-errno
3878 check_optflags -fno-signed-zeros
3879
3880 enabled ftrapv && check_cflags -ftrapv
3881
3882 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3883 int x;
3884 EOF
3885
3886
3887 if enabled icc; then
3888     # Just warnings, no remarks
3889     check_cflags -w1
3890     # -wd: Disable following warnings
3891     # 144, 167, 556: -Wno-pointer-sign
3892     # 1292: attribute "foo" ignored
3893     # 1419: external declaration in primary source file
3894     # 10006: ignoring unknown option -fno-signed-zeros
3895     # 10148: ignoring unknown option -Wno-parentheses
3896     # 10156: ignoring option '-W'; no argument required
3897     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3898     # 11030: Warning unknown option --as-needed
3899     # 10156: ignoring option '-export'; no argument required
3900     check_ldflags -wd10156,11030
3901     # Allow to compile with optimizations
3902     check_ldflags -march=$cpu
3903     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3904     enable ebp_available
3905     if enabled x86_32; then
3906         icc_version=$($cc -dumpversion)
3907         test ${icc_version%%.*} -ge 11 &&
3908             check_cflags -falign-stack=maintain-16-byte ||
3909             disable aligned_stack
3910     fi
3911 elif enabled ccc; then
3912     # disable some annoying warnings
3913     add_cflags -msg_disable cvtu32to64
3914     add_cflags -msg_disable embedcomment
3915     add_cflags -msg_disable needconstext
3916     add_cflags -msg_disable nomainieee
3917     add_cflags -msg_disable ptrmismatch1
3918     add_cflags -msg_disable unreachcode
3919 elif enabled gcc; then
3920     check_optflags -fno-tree-vectorize
3921     check_cflags -Werror=implicit-function-declaration
3922     check_cflags -Werror=missing-prototypes
3923     check_cflags -Werror=vla
3924 elif enabled llvm_gcc; then
3925     check_cflags -mllvm -stack-alignment=16
3926 elif enabled clang; then
3927     check_cflags -mllvm -stack-alignment=16
3928     check_cflags -Qunused-arguments
3929 elif enabled armcc; then
3930     # 2523: use of inline assembler is deprecated
3931     add_cflags -W${armcc_opt},--diag_suppress=2523
3932     add_cflags -W${armcc_opt},--diag_suppress=1207
3933     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3934     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3935     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3936     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3937 elif enabled tms470; then
3938     add_cflags -pds=824 -pds=837
3939 elif enabled pathscale; then
3940     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3941 elif enabled msvc; then
3942     enabled x86_32 && disable aligned_stack
3943 fi
3944
3945 enabled_any $THREADS_LIST      && enable threads
3946
3947 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3948
3949 check_deps $CONFIG_LIST       \
3950            $CONFIG_EXTRA      \
3951            $HAVE_LIST         \
3952            $ALL_COMPONENTS    \
3953            $ALL_TESTS         \
3954
3955
3956 if test $target_os = "haiku"; then
3957     disable memalign
3958     disable posix_memalign
3959 fi
3960
3961 ! enabled_any memalign posix_memalign aligned_malloc &&
3962     enabled_any $need_memalign && enable memalign_hack
3963
3964 # add_dep lib dep
3965 # -> enable ${lib}_deps_${dep}
3966 # -> add $dep to ${lib}_deps only once
3967 add_dep() {
3968     lib=$1
3969     dep=$2
3970     enabled "${lib}_deps_${dep}" && return 0
3971     enable  "${lib}_deps_${dep}"
3972     prepend "${lib}_deps" $dep
3973 }
3974
3975 # merge deps lib components
3976 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3977 merge_deps() {
3978     lib=$1
3979     shift
3980     for comp in $*; do
3981         enabled $comp || continue
3982         eval "dep=\"\$${comp}_deps\""
3983         for d in $dep; do
3984             add_dep $lib $d
3985         done
3986     done
3987 }
3988
3989 merge_deps libavfilter $FILTER_LIST
3990
3991 echo "install prefix            $prefix"
3992 echo "source path               $source_path"
3993 echo "C compiler                $cc"
3994 echo "ARCH                      $arch ($cpu)"
3995 if test "$build_suffix" != ""; then
3996     echo "build suffix              $build_suffix"
3997 fi
3998 if test "$progs_suffix" != ""; then
3999     echo "progs suffix              $progs_suffix"
4000 fi
4001 if test "$extra_version" != ""; then
4002     echo "version string suffix     $extra_version"
4003 fi
4004 echo "big-endian                ${bigendian-no}"
4005 echo "runtime cpu detection     ${runtime_cpudetect-no}"
4006 if enabled x86; then
4007     echo "${yasmexe}                      ${yasm-no}"
4008     echo "MMX enabled               ${mmx-no}"
4009     echo "MMXEXT enabled            ${mmxext-no}"
4010     echo "3DNow! enabled            ${amd3dnow-no}"
4011     echo "3DNow! extended enabled   ${amd3dnowext-no}"
4012     echo "SSE enabled               ${sse-no}"
4013     echo "SSSE3 enabled             ${ssse3-no}"
4014     echo "AVX enabled               ${avx-no}"
4015     echo "FMA4 enabled              ${fma4-no}"
4016     echo "CMOV enabled              ${cmov-no}"
4017     echo "CMOV is fast              ${fast_cmov-no}"
4018     echo "EBX available             ${ebx_available-no}"
4019     echo "EBP available             ${ebp_available-no}"
4020 fi
4021 if enabled arm; then
4022     echo "ARMv5TE enabled           ${armv5te-no}"
4023     echo "ARMv6 enabled             ${armv6-no}"
4024     echo "ARMv6T2 enabled           ${armv6t2-no}"
4025     echo "ARM VFP enabled           ${armvfp-no}"
4026     echo "NEON enabled              ${neon-no}"
4027 fi
4028 if enabled mips; then
4029     echo "MIPS FPU enabled          ${mipsfpu-no}"
4030     echo "MIPS32R2 enabled          ${mips32r2-no}"
4031     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
4032     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
4033 fi
4034 if enabled ppc; then
4035     echo "AltiVec enabled           ${altivec-no}"
4036     echo "PPC 4xx optimizations     ${ppc4xx-no}"
4037     echo "dcbzl available           ${dcbzl-no}"
4038 fi
4039 if enabled sparc; then
4040     echo "VIS enabled               ${vis-no}"
4041 fi
4042 echo "debug symbols             ${debug-no}"
4043 echo "strip symbols             ${stripping-no}"
4044 echo "optimize for size         ${small-no}"
4045 echo "optimizations             ${optimizations-no}"
4046 echo "static                    ${static-no}"
4047 echo "shared                    ${shared-no}"
4048 echo "postprocessing support    ${postproc-no}"
4049 echo "new filter support        ${avfilter-no}"
4050 echo "network support           ${network-no}"
4051 echo "threading support         ${thread_type-no}"
4052 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
4053 echo "SDL support               ${sdl-no}"
4054 echo "libdxva2 enabled          ${dxva2-no}"
4055 echo "libva enabled             ${vaapi-no}"
4056 echo "libvdpau enabled          ${vdpau-no}"
4057 echo "AVISynth enabled          ${avisynth-no}"
4058 echo "frei0r enabled            ${frei0r-no}"
4059 echo "gnutls enabled            ${gnutls-no}"
4060 echo "libaacplus enabled        ${libaacplus-no}"
4061 echo "libass enabled            ${libass-no}"
4062 echo "libcaca enabled           ${libcaca-no}"
4063 echo "libcdio support           ${libcdio-no}"
4064 echo "libcelt enabled           ${libcelt-no}"
4065 echo "libdc1394 support         ${libdc1394-no}"
4066 echo "libfaac enabled           ${libfaac-no}"
4067 echo "libfdk-aac enabled        ${libfdk_aac-no}"
4068 echo "libgsm enabled            ${libgsm-no}"
4069 echo "libiec61883 support       ${libiec61883-no}"
4070 echo "libilbc enabled           ${libilbc-no}"
4071 echo "libmodplug enabled        ${libmodplug-no}"
4072 echo "libmp3lame enabled        ${libmp3lame-no}"
4073 echo "libnut enabled            ${libnut-no}"
4074 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
4075 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
4076 echo "libopencv support         ${libopencv-no}"
4077 echo "libopenjpeg enabled       ${libopenjpeg-no}"
4078 echo "libopus enabled           ${libopus-no}"
4079 echo "libpulse enabled          ${libpulse-no}"
4080 echo "librtmp enabled           ${librtmp-no}"
4081 echo "libschroedinger enabled   ${libschroedinger-no}"
4082 echo "libspeex enabled          ${libspeex-no}"
4083 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
4084 echo "libtheora enabled         ${libtheora-no}"
4085 echo "libtwolame enabled        ${libtwolame-no}"
4086 echo "libutvideo enabled        ${libutvideo-no}"
4087 echo "libv4l2 enabled           ${libv4l2-no}"
4088 echo "libvo-aacenc support      ${libvo_aacenc-no}"
4089 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
4090 echo "libvorbis enabled         ${libvorbis-no}"
4091 echo "libvpx enabled            ${libvpx-no}"
4092 echo "libx264 enabled           ${libx264-no}"
4093 echo "libxavs enabled           ${libxavs-no}"
4094 echo "libxvid enabled           ${libxvid-no}"
4095 echo "openal enabled            ${openal-no}"
4096 echo "openssl enabled           ${openssl-no}"
4097 echo "zlib enabled              ${zlib-no}"
4098 echo "bzlib enabled             ${bzlib-no}"
4099 echo "texi2html enabled         ${texi2html-no}"
4100 echo "perl enabled              ${perl-no}"
4101 echo "pod2man enabled           ${pod2man-no}"
4102 echo "makeinfo enabled          ${makeinfo-no}"
4103 test -n "$random_seed" &&
4104     echo "random seed               ${random_seed}"
4105 echo
4106
4107 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4108     echo "Enabled ${type}s:"
4109     eval list=\$$(toupper $type)_LIST
4110     print_enabled '_*' $list | sort | pr -r -3 -t
4111     echo
4112 done
4113
4114 license="LGPL version 2.1 or later"
4115 if enabled nonfree; then
4116     license="nonfree and unredistributable"
4117 elif enabled gplv3; then
4118     license="GPL version 3 or later"
4119 elif enabled lgplv3; then
4120     license="LGPL version 3 or later"
4121 elif enabled gpl; then
4122     license="GPL version 2 or later"
4123 fi
4124
4125 echo "License: $license"
4126
4127 echo "Creating config.mak and config.h..."
4128
4129 test -e Makefile || $ln_s "$source_path/Makefile" .
4130
4131 enabled stripping || strip="echo skipping strip"
4132
4133 config_files="$TMPH config.mak"
4134
4135 cat > config.mak <<EOF
4136 # Automatically generated by configure - do not modify!
4137 ifndef FFMPEG_CONFIG_MAK
4138 FFMPEG_CONFIG_MAK=1
4139 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4140 prefix=$prefix
4141 LIBDIR=\$(DESTDIR)$libdir
4142 SHLIBDIR=\$(DESTDIR)$shlibdir
4143 INCDIR=\$(DESTDIR)$incdir
4144 BINDIR=\$(DESTDIR)$bindir
4145 DATADIR=\$(DESTDIR)$datadir
4146 MANDIR=\$(DESTDIR)$mandir
4147 SRC_PATH=$source_path
4148 ifndef MAIN_MAKEFILE
4149 SRC_PATH:=\$(SRC_PATH:.%=..%)
4150 endif
4151 CC_IDENT=$cc_ident
4152 ARCH=$arch
4153 CC=$cc
4154 CXX=$cxx
4155 AS=$as
4156 LD=$ld
4157 DEPCC=$dep_cc
4158 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4159 DEPAS=$as
4160 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4161 YASM=$yasmexe
4162 DEPYASM=$yasmexe
4163 AR=$ar
4164 ARFLAGS=$arflags
4165 AR_O=$ar_o
4166 RANLIB=$ranlib
4167 CP=cp -p
4168 LN_S=$ln_s
4169 STRIP=$strip
4170 CPPFLAGS=$CPPFLAGS
4171 CFLAGS=$CFLAGS
4172 CXXFLAGS=$CXXFLAGS
4173 ASFLAGS=$ASFLAGS
4174 AS_C=$AS_C
4175 AS_O=$AS_O
4176 CC_C=$CC_C
4177 CC_O=$CC_O
4178 CXX_C=$CXX_C
4179 CXX_O=$CXX_O
4180 LD_O=$LD_O
4181 LD_LIB=$LD_LIB
4182 LD_PATH=$LD_PATH
4183 DLLTOOL=$dlltool
4184 LDFLAGS=$LDFLAGS
4185 LDFLAGS-ffserver=$FFSERVERLDFLAGS
4186 SHFLAGS=$SHFLAGS
4187 YASMFLAGS=$YASMFLAGS
4188 BUILDSUF=$build_suffix
4189 PROGSSUF=$progs_suffix
4190 FULLNAME=$FULLNAME
4191 LIBPREF=$LIBPREF
4192 LIBSUF=$LIBSUF
4193 LIBNAME=$LIBNAME
4194 SLIBPREF=$SLIBPREF
4195 SLIBSUF=$SLIBSUF
4196 EXESUF=$EXESUF
4197 EXTRA_VERSION=$extra_version
4198 CCDEP=$CCDEP
4199 CXXDEP=$CXXDEP
4200 CCDEP_FLAGS=$CCDEP_FLAGS
4201 ASDEP=$ASDEP
4202 ASDEP_FLAGS=$ASDEP_FLAGS
4203 CC_DEPFLAGS=$CC_DEPFLAGS
4204 AS_DEPFLAGS=$AS_DEPFLAGS
4205 HOSTCC=$host_cc
4206 HOSTLD=$host_ld
4207 HOSTCFLAGS=$host_cflags
4208 HOSTEXESUF=$HOSTEXESUF
4209 HOSTLDFLAGS=$host_ldflags
4210 HOSTLIBS=$host_libs
4211 DEPHOSTCC=$host_cc
4212 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4213 HOSTCCDEP=$HOSTCCDEP
4214 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4215 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4216 HOSTCC_C=$HOSTCC_C
4217 HOSTCC_O=$HOSTCC_O
4218 HOSTLD_O=$HOSTLD_O
4219 TARGET_EXEC=$target_exec
4220 TARGET_PATH=$target_path
4221 LIBS-ffplay=$sdl_libs
4222 CFLAGS-ffplay=$sdl_cflags
4223 ZLIB=$($ldflags_filter -lz)
4224 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4225 EXTRALIBS=$extralibs
4226 INSTALL=$install
4227 LIBTARGET=${LIBTARGET}
4228 SLIBNAME=${SLIBNAME}
4229 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4230 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4231 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4232 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4233 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4234 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4235 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4236 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4237 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4238 NOREDZONE_FLAGS=$noredzone_flags
4239 EOF
4240
4241 get_version(){
4242     lcname=$1
4243     name=$(toupper $lcname)
4244     file=$source_path/$lcname/version.h
4245     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4246     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4247     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4248     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4249 }
4250
4251 get_version_old(){
4252     name=$1
4253     file=$source_path/$2
4254 # This condition will be removed when we stop supporting old libpostproc versions
4255 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
4256     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4257     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4258 fi
4259     lcname=$(tolower $name)
4260     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4261     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4262 }
4263
4264 get_version_old LIBPOSTPROC libpostproc/version.h
4265
4266 get_version libavcodec
4267 get_version libavdevice
4268 get_version libavfilter
4269 get_version libavformat
4270 get_version libavresample
4271 get_version libavutil
4272 get_version libswresample
4273 get_version libswscale
4274
4275 cat > $TMPH <<EOF
4276 /* Automatically generated by configure - do not modify! */
4277 #ifndef FFMPEG_CONFIG_H
4278 #define FFMPEG_CONFIG_H
4279 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4280 #define FFMPEG_LICENSE "$(c_escape $license)"
4281 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4282 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4283 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4284 #define av_restrict $_restrict
4285 #define EXTERN_PREFIX "${extern_prefix}"
4286 #define EXTERN_ASM ${extern_prefix}
4287 #define SLIBSUF "$SLIBSUF"
4288 #define HAVE_MMX2 HAVE_MMXEXT
4289 EOF
4290
4291 test -n "$assert_level" &&
4292     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4293
4294 test -n "$malloc_prefix" &&
4295     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4296
4297 if enabled yasm; then
4298     append config_files $TMPASM
4299     printf '' >$TMPASM
4300 fi
4301
4302 print_config ARCH_   "$config_files" $ARCH_LIST
4303 print_config HAVE_   "$config_files" $HAVE_LIST
4304 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
4305                                      $CONFIG_EXTRA      \
4306                                      $ALL_COMPONENTS    \
4307
4308 cat >>config.mak <<EOF
4309 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
4310 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
4311 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
4312 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
4313 EOF
4314
4315 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4316 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4317
4318 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4319 cp_if_changed $TMPH config.h
4320 touch .config
4321
4322 enabled yasm && cp_if_changed $TMPASM config.asm
4323
4324 cat > $TMPH <<EOF
4325 /* Generated by ffconf */
4326 #ifndef AVUTIL_AVCONFIG_H
4327 #define AVUTIL_AVCONFIG_H
4328 EOF
4329
4330 test "$postproc_version" != current && cat >> $TMPH <<EOF
4331 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
4332 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
4333 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
4334 EOF
4335
4336 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4337
4338 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4339
4340 cp_if_changed $TMPH libavutil/avconfig.h
4341
4342 test -n "$WARNINGS" && printf "\n$WARNINGS"
4343
4344 # build pkg-config files
4345
4346 pkgconfig_generate(){
4347     name=$1
4348     shortname=${name#lib}${build_suffix}
4349     comment=$2
4350     version=$3
4351     libs=$4
4352     requires=$5
4353     enabled ${name#lib} || return 0
4354     mkdir -p $name
4355     cat <<EOF > $name/$name.pc
4356 prefix=$prefix
4357 exec_prefix=\${prefix}
4358 libdir=$libdir
4359 includedir=$incdir
4360
4361 Name: $name
4362 Description: $comment
4363 Version: $version
4364 Requires: $(enabled shared || echo $requires)
4365 Requires.private: $(enabled shared && echo $requires)
4366 Conflicts:
4367 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4368 Libs.private: $(enabled shared && echo $libs)
4369 Cflags: -I\${includedir}
4370 EOF
4371
4372 mkdir -p doc/examples/pc-uninstalled
4373 includedir=${source_path}
4374 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4375     cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4376 prefix=
4377 exec_prefix=
4378 libdir=\${pcfiledir}/../../../$name
4379 includedir=${includedir}
4380
4381 Name: $name
4382 Description: $comment
4383 Version: $version
4384 Requires: $requires
4385 Conflicts:
4386 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4387 Cflags: -I\${includedir}
4388 EOF
4389 }
4390
4391 libavfilter_pc_deps=""
4392 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
4393 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
4394 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
4395 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
4396 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
4397 libavfilter_pc_deps=${libavfilter_pc_deps%, }
4398
4399 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
4400 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
4401
4402 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4403 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
4404 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
4405 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
4406 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
4407 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
4408 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
4409 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4410 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4411
4412 fix_ffmpeg_remote(){
4413     git_remote_from=$1
4414     git_remote_to=$2
4415     fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
4416     if [ "$fixme_remote" != "" ]; then
4417         echolog "
4418 Outdated domain in git config, the official domain for ffmpeg git is since
4419 November 2011, source.ffmpeg.org, both the old and the new point to the same
4420 repository and server. To update it enter the following commands:
4421 "
4422         for remote in $fixme_remote; do
4423             echolog "git remote set-url $remote $git_remote_to"
4424         done
4425     fi
4426 }
4427
4428 if test -f "$source_path/.git/config"; then
4429     remote_from=git.videolan.org
4430     remote_to=source.ffmpeg.org
4431     fix_ffmpeg_remote git@$remote_from:ffmpeg   git@$remote_to:ffmpeg
4432     fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg
4433 fi