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 x"$1" = x-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     mprotect
1348     msvcrt
1349     nanosleep
1350     PeekNamedPipe
1351     perl
1352     pod2man
1353     poll_h
1354     posix_memalign
1355     pthread_cancel
1356     rdtsc
1357     rint
1358     round
1359     roundf
1360     sched_getaffinity
1361     sdl
1362     sdl_video_size
1363     setmode
1364     setrlimit
1365     Sleep
1366     sndio_h
1367     socklen_t
1368     soundcard_h
1369     strerror_r
1370     struct_addrinfo
1371     struct_group_source_req
1372     struct_ip_mreq_source
1373     struct_ipv6_mreq
1374     struct_pollfd
1375     struct_rusage_ru_maxrss
1376     struct_sctp_event_subscribe
1377     struct_sockaddr_in6
1378     struct_sockaddr_sa_len
1379     struct_sockaddr_storage
1380     struct_v4l2_frmivalenum_discrete
1381     symver_asm_label
1382     symver_gnu_asm
1383     sysconf
1384     sysctl
1385     sys_mman_h
1386     sys_param_h
1387     sys_resource_h
1388     sys_select_h
1389     sys_soundcard_h
1390     sys_time_h
1391     sys_videoio_h
1392     termios_h
1393     texi2html
1394     threads
1395     trunc
1396     truncf
1397     unistd_h
1398     usleep
1399     vfp_args
1400     VirtualAlloc
1401     windows_h
1402     winsock2_h
1403     xform_asm
1404     xmm_clobbers
1405 "
1406
1407 # options emitted with CONFIG_ prefix but not available on command line
1408 CONFIG_EXTRA="
1409     aandcttables
1410     ac3dsp
1411     avutil
1412     error_resilience
1413     gcrypt
1414     golomb
1415     gplv3
1416     h264chroma
1417     h264dsp
1418     h264pred
1419     h264qpel
1420     huffman
1421     lgplv3
1422     lpc
1423     mpegaudio
1424     mpegaudiodsp
1425     mpegvideo
1426     mpegvideoenc
1427     nettle
1428     rangecoder
1429     rtpdec
1430     sinewin
1431     vp3dsp
1432 "
1433
1434 CMDLINE_SELECT="
1435     $ARCH_EXT_LIST
1436     $CONFIG_LIST
1437     $HAVE_LIST_CMDLINE
1438     $THREADS_LIST
1439     asm
1440     coverage
1441     cross_compile
1442     debug
1443     extra_warnings
1444     logging
1445     lto
1446     optimizations
1447     stripping
1448 "
1449
1450 PATHS_LIST='
1451     bindir
1452     datadir
1453     incdir
1454     libdir
1455     mandir
1456     prefix
1457     shlibdir
1458 '
1459
1460 CMDLINE_SET="
1461     $PATHS_LIST
1462     ar
1463     arch
1464     as
1465     assert_level
1466     build_suffix
1467     cc
1468     cpu
1469     cross_prefix
1470     cxx
1471     dep_cc
1472     extra_version
1473     host_cc
1474     host_cflags
1475     host_ld
1476     host_ldflags
1477     host_libs
1478     host_os
1479     install
1480     ld
1481     logfile
1482     malloc_prefix
1483     nm
1484     optflags
1485     pkg_config
1486     postproc_version
1487     progs_suffix
1488     random_seed
1489     samples
1490     strip
1491     sysinclude
1492     sysroot
1493     target_exec
1494     target_os
1495     target_path
1496     toolchain
1497     valgrind
1498     yasmexe
1499 "
1500
1501 CMDLINE_APPEND="
1502     extra_cflags
1503     extra_cxxflags
1504 "
1505
1506 # code dependency declarations
1507
1508 # architecture extensions
1509
1510 armv5te_deps="arm"
1511 armv6_deps="arm"
1512 armv6t2_deps="arm"
1513 armvfp_deps="arm"
1514 neon_deps="arm"
1515 vfpv3_deps="armvfp"
1516
1517 mipsfpu_deps="mips"
1518 mips32r2_deps="mips"
1519 mipsdspr1_deps="mips"
1520 mipsdspr2_deps="mips"
1521
1522 altivec_deps="ppc"
1523 ppc4xx_deps="ppc"
1524
1525 vis_deps="sparc"
1526
1527 x86_64_suggest="cmov fast_cmov"
1528
1529 amd3dnow_deps="mmx"
1530 amd3dnowext_deps="amd3dnow"
1531 mmx_deps="x86"
1532 mmxext_deps="mmx"
1533 sse_deps="mmxext"
1534 sse2_deps="sse"
1535 sse3_deps="sse2"
1536 ssse3_deps="sse3"
1537 sse4_deps="ssse3"
1538 sse42_deps="sse4"
1539 avx_deps="sse42"
1540 fma4_deps="avx"
1541
1542 mmx_external_deps="yasm"
1543 mmx_inline_deps="inline_asm"
1544 mmx_suggest="mmx_external mmx_inline"
1545
1546 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1547     eval dep=\$${ext}_deps
1548     eval ${ext}_external_deps='"${dep}_external"'
1549     eval ${ext}_inline_deps='"${dep}_inline"'
1550     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1551 done
1552
1553 aligned_stack_if_any="ppc x86"
1554 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1555 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1556 fast_unaligned_if_any="armv6 ppc x86"
1557
1558 inline_asm_deps="!tms470"
1559 need_memalign="altivec neon sse"
1560
1561 symver_if_any="symver_asm_label symver_gnu_asm"
1562
1563 log2_deps="!msvcrt"
1564
1565 # subsystems
1566 dct_select="rdft"
1567 mdct_select="fft"
1568 rdft_select="fft"
1569 mpegaudio_select="mpegaudiodsp"
1570 mpegaudiodsp_select="dct"
1571 mpegvideoenc_select="mpegvideo"
1572
1573 # decoders / encoders / hardware accelerators
1574 aac_decoder_select="mdct sinewin"
1575 aac_encoder_select="mdct sinewin"
1576 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1577 ac3_decoder_select="mdct ac3dsp ac3_parser"
1578 ac3_encoder_select="mdct ac3dsp"
1579 ac3_fixed_encoder_select="mdct ac3dsp"
1580 alac_encoder_select="lpc"
1581 amrnb_decoder_select="lsp"
1582 amrwb_decoder_select="lsp"
1583 amv_encoder_select="aandcttables"
1584 atrac1_decoder_select="mdct sinewin"
1585 atrac3_decoder_select="mdct"
1586 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1587 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1588 cavs_decoder_select="golomb mpegvideo"
1589 cook_decoder_select="mdct sinewin"
1590 cscd_decoder_suggest="zlib"
1591 dca_decoder_select="mdct"
1592 dirac_decoder_select="dwt golomb"
1593 dnxhd_encoder_select="aandcttables mpegvideoenc"
1594 dxa_decoder_select="zlib"
1595 eac3_decoder_select="ac3_decoder"
1596 eac3_encoder_select="ac3_encoder"
1597 eamad_decoder_select="aandcttables error_resilience mpegvideo"
1598 eatgq_decoder_select="aandcttables"
1599 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1600 exr_decoder_select="zlib"
1601 ffv1_decoder_select="golomb rangecoder"
1602 ffv1_encoder_select="rangecoder"
1603 ffvhuff_encoder_select="huffman"
1604 flac_decoder_select="golomb"
1605 flac_encoder_select="golomb lpc"
1606 flashsv_decoder_select="zlib"
1607 flashsv_encoder_select="zlib"
1608 flashsv2_encoder_select="zlib"
1609 flashsv2_decoder_select="zlib"
1610 flv_decoder_select="h263_decoder"
1611 flv_encoder_select="h263_encoder"
1612 fraps_decoder_select="huffman"
1613 h261_decoder_select="error_resilience mpegvideo"
1614 h261_encoder_select="aandcttables mpegvideoenc"
1615 h263_decoder_select="error_resilience h263_parser mpegvideo"
1616 h263_encoder_select="aandcttables error_resilience mpegvideoenc"
1617 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1618 h263i_decoder_select="h263_decoder"
1619 h263p_encoder_select="h263_encoder"
1620 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1621 h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1622 h264_dxva2_hwaccel_deps="dxva2api_h"
1623 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1624 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1625 h264_vda_decoder_select="vda h264_parser h264_decoder"
1626 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1627 h264_vda_hwaccel_select="vda h264_decoder"
1628 h264_vdpau_decoder_select="vdpau h264_decoder"
1629 huffyuv_encoder_select="huffman"
1630 iac_decoder_select="fft mdct sinewin"
1631 imc_decoder_select="fft mdct sinewin"
1632 jpegls_decoder_select="golomb"
1633 jpegls_encoder_select="golomb"
1634 ljpeg_encoder_select="aandcttables mpegvideoenc"
1635 loco_decoder_select="golomb"
1636 mdec_decoder_select="error_resilience mpegvideo"
1637 mjpeg_encoder_select="aandcttables mpegvideoenc"
1638 mlp_decoder_select="mlp_parser"
1639 mp1_decoder_select="mpegaudio"
1640 mp1float_decoder_select="mpegaudio"
1641 mp2_decoder_select="mpegaudio"
1642 mp2float_decoder_select="mpegaudio"
1643 mp3_decoder_select="mpegaudio"
1644 mp3adu_decoder_select="mpegaudio"
1645 mp3adufloat_decoder_select="mpegaudio"
1646 mp3float_decoder_select="mpegaudio"
1647 mp3on4_decoder_select="mpegaudio"
1648 mp3on4float_decoder_select="mpegaudio"
1649 mpc7_decoder_select="mpegaudiodsp"
1650 mpc8_decoder_select="mpegaudiodsp"
1651 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1652 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1653 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1654 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1655 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1656 mpeg1video_decoder_select="error_resilience mpegvideo"
1657 mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
1658 mpeg2_crystalhd_decoder_select="crystalhd"
1659 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1660 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1661 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1662 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1663 mpeg2video_decoder_select="error_resilience mpegvideo"
1664 mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
1665 mpeg4_crystalhd_decoder_select="crystalhd"
1666 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1667 mpeg4_encoder_select="h263_encoder"
1668 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1669 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1670 msmpeg4_crystalhd_decoder_select="crystalhd"
1671 msmpeg4v1_decoder_select="h263_decoder"
1672 msmpeg4v1_encoder_select="h263_encoder"
1673 msmpeg4v2_decoder_select="h263_decoder"
1674 msmpeg4v2_encoder_select="h263_encoder"
1675 msmpeg4v3_decoder_select="h263_decoder"
1676 msmpeg4v3_encoder_select="h263_encoder"
1677 mss2_decoder_select="vc1_decoder"
1678 nellymoser_decoder_select="mdct sinewin"
1679 nellymoser_encoder_select="mdct sinewin"
1680 png_decoder_select="zlib"
1681 png_encoder_select="zlib"
1682 qcelp_decoder_select="lsp"
1683 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1684 ra_144_encoder_select="lpc"
1685 ralf_decoder_select="golomb"
1686 rv10_decoder_select="h263_decoder"
1687 rv10_encoder_select="h263_encoder"
1688 rv20_decoder_select="h263_decoder"
1689 rv20_encoder_select="h263_encoder"
1690 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1691 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1692 shorten_decoder_select="golomb"
1693 sipr_decoder_select="lsp"
1694 snow_decoder_select="dwt rangecoder"
1695 snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1696 sonic_decoder_select="golomb"
1697 sonic_encoder_select="golomb"
1698 sonic_ls_encoder_select="golomb"
1699 svq1_decoder_select="error_resilience mpegvideo"
1700 svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1701 svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1702 svq3_decoder_suggest="zlib"
1703 theora_decoder_select="vp3_decoder"
1704 tiff_decoder_suggest="zlib"
1705 tiff_encoder_suggest="zlib"
1706 truehd_decoder_select="mlp_parser"
1707 tscc_decoder_select="zlib"
1708 twinvq_decoder_select="mdct lsp sinewin"
1709 utvideo_encoder_select="huffman"
1710 vc1_crystalhd_decoder_select="crystalhd"
1711 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1712 vc1_dxva2_hwaccel_deps="dxva2api_h"
1713 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1714 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1715 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1716 vc1image_decoder_select="vc1_decoder"
1717 vorbis_decoder_select="mdct"
1718 vorbis_encoder_select="mdct"
1719 vp3_decoder_select="vp3dsp"
1720 vp5_decoder_select="vp3dsp"
1721 vp6_decoder_select="huffman vp3dsp"
1722 vp6a_decoder_select="vp6_decoder"
1723 vp6f_decoder_select="vp6_decoder"
1724 vp8_decoder_select="h264pred h264qpel"
1725 wmapro_decoder_select="mdct sinewin"
1726 wmav1_decoder_select="mdct sinewin"
1727 wmav1_encoder_select="mdct sinewin"
1728 wmav2_decoder_select="mdct sinewin"
1729 wmav2_encoder_select="mdct sinewin"
1730 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1731 wmv1_decoder_select="h263_decoder"
1732 wmv1_encoder_select="h263_encoder"
1733 wmv2_decoder_select="h263_decoder"
1734 wmv2_encoder_select="h263_encoder"
1735 wmv3_decoder_select="vc1_decoder"
1736 wmv3_crystalhd_decoder_select="crystalhd"
1737 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1738 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1739 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1740 wmv3image_decoder_select="wmv3_decoder"
1741 zerocodec_decoder_select="zlib"
1742 zlib_decoder_select="zlib"
1743 zlib_encoder_select="zlib"
1744 zmbv_decoder_select="zlib"
1745 zmbv_encoder_select="zlib"
1746
1747 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1748 vaapi_deps="va_va_h"
1749 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1750 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1751
1752 # parsers
1753 h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1754 mpeg4video_parser_select="error_resilience mpegvideo"
1755 mpegvideo_parser_select="error_resilience mpegvideo"
1756 vc1_parser_select="error_resilience mpegvideo"
1757
1758 # external libraries
1759 libaacplus_encoder_deps="libaacplus"
1760 libcelt_decoder_deps="libcelt"
1761 libfaac_encoder_deps="libfaac"
1762 libfdk_aac_encoder_deps="libfdk_aac"
1763 libgsm_decoder_deps="libgsm"
1764 libgsm_encoder_deps="libgsm"
1765 libgsm_ms_decoder_deps="libgsm"
1766 libgsm_ms_encoder_deps="libgsm"
1767 libilbc_decoder_deps="libilbc"
1768 libilbc_encoder_deps="libilbc"
1769 libmodplug_demuxer_deps="libmodplug"
1770 libmp3lame_encoder_deps="libmp3lame"
1771 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1772 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1773 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1774 libopenjpeg_decoder_deps="libopenjpeg"
1775 libopenjpeg_encoder_deps="libopenjpeg"
1776 libopus_decoder_deps="libopus"
1777 libopus_encoder_deps="libopus"
1778 libschroedinger_decoder_deps="libschroedinger"
1779 libschroedinger_encoder_deps="libschroedinger"
1780 libspeex_decoder_deps="libspeex"
1781 libspeex_encoder_deps="libspeex"
1782 libstagefright_h264_decoder_deps="libstagefright_h264"
1783 libtheora_encoder_deps="libtheora"
1784 libtwolame_encoder_deps="libtwolame"
1785 libvo_aacenc_encoder_deps="libvo_aacenc"
1786 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1787 libvorbis_decoder_deps="libvorbis"
1788 libvorbis_encoder_deps="libvorbis"
1789 libvpx_decoder_deps="libvpx"
1790 libvpx_encoder_deps="libvpx"
1791 libx264_encoder_deps="libx264"
1792 libx264rgb_encoder_deps="libx264"
1793 libxavs_encoder_deps="libxavs"
1794 libxvid_encoder_deps="libxvid"
1795 libutvideo_decoder_deps="libutvideo"
1796 libutvideo_encoder_deps="libutvideo"
1797
1798 # demuxers / muxers
1799 ac3_demuxer_select="ac3_parser"
1800 asf_stream_muxer_select="asf_muxer"
1801 avisynth_demuxer_deps="avisynth"
1802 dirac_demuxer_select="dirac_parser"
1803 dts_demuxer_select="dca_parser"
1804 dtshd_demuxer_select="dca_parser"
1805 eac3_demuxer_select="ac3_parser"
1806 f4v_muxer_select="mov_muxer"
1807 flac_demuxer_select="flac_parser"
1808 ipod_muxer_select="mov_muxer"
1809 libnut_demuxer_deps="libnut"
1810 libnut_muxer_deps="libnut"
1811 matroska_audio_muxer_select="matroska_muxer"
1812 matroska_demuxer_suggest="zlib bzlib"
1813 mov_demuxer_suggest="zlib"
1814 mp3_demuxer_select="mpegaudio_parser"
1815 mp4_muxer_select="mov_muxer"
1816 mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1817 mpegtsraw_demuxer_select="mpegts_demuxer"
1818 mxf_d10_muxer_select="mxf_muxer"
1819 ogg_demuxer_select="golomb"
1820 psp_muxer_select="mov_muxer"
1821 rtp_demuxer_select="sdp_demuxer"
1822 rtp_muxer_select="mpegvideo"
1823 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1824 rtsp_demuxer_select="http_protocol rtpdec"
1825 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1826 sap_demuxer_select="sdp_demuxer"
1827 sap_muxer_select="rtp_muxer rtp_protocol"
1828 sdp_demuxer_select="rtpdec"
1829 smoothstreaming_muxer_select="ismv_muxer"
1830 spdif_muxer_select="aac_parser"
1831 tak_demuxer_select="tak_parser"
1832 tg2_muxer_select="mov_muxer"
1833 tgp_muxer_select="mov_muxer"
1834 w64_demuxer_deps="wav_demuxer"
1835
1836 # indevs / outdevs
1837 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1838 alsa_outdev_deps="alsa_asoundlib_h"
1839 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1840 caca_outdev_deps="libcaca"
1841 dshow_indev_deps="IBaseFilter"
1842 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1843 dv1394_indev_deps="dv1394 dv_demuxer"
1844 fbdev_indev_deps="linux_fb_h"
1845 iec61883_indev_deps="libiec61883"
1846 jack_indev_deps="jack_jack_h sem_timedwait"
1847 lavfi_indev_deps="avfilter"
1848 libcdio_indev_deps="libcdio"
1849 libdc1394_indev_deps="libdc1394"
1850 libv4l2_indev_deps="libv4l2"
1851 openal_indev_deps="openal"
1852 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1853 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1854 pulse_indev_deps="libpulse"
1855 sdl_outdev_deps="sdl"
1856 sndio_indev_deps="sndio_h"
1857 sndio_outdev_deps="sndio_h"
1858 v4l_indev_deps="linux_videodev_h"
1859 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1860 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1861 vfwcap_indev_extralibs="-lavicap32"
1862 x11grab_indev_deps="x11grab"
1863
1864 # protocols
1865 bluray_protocol_deps="libbluray"
1866 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1867 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1868 ffrtmpcrypt_protocol_select="tcp_protocol"
1869 ffrtmphttp_protocol_deps="!librtmp_protocol"
1870 ffrtmphttp_protocol_select="http_protocol"
1871 gopher_protocol_deps="network"
1872 httpproxy_protocol_deps="network"
1873 httpproxy_protocol_select="tcp_protocol"
1874 http_protocol_deps="network"
1875 http_protocol_select="tcp_protocol"
1876 https_protocol_select="tls_protocol"
1877 librtmp_protocol_deps="librtmp"
1878 librtmpe_protocol_deps="librtmp"
1879 librtmps_protocol_deps="librtmp"
1880 librtmpt_protocol_deps="librtmp"
1881 librtmpte_protocol_deps="librtmp"
1882 mmsh_protocol_select="http_protocol"
1883 mmst_protocol_deps="network"
1884 rtmp_protocol_deps="!librtmp_protocol"
1885 rtmp_protocol_select="tcp_protocol"
1886 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1887 rtmps_protocol_deps="!librtmp_protocol"
1888 rtmps_protocol_select="tls_protocol"
1889 rtmpt_protocol_select="ffrtmphttp_protocol"
1890 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1891 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1892 rtp_protocol_select="udp_protocol"
1893 sctp_protocol_deps="network struct_sctp_event_subscribe"
1894 tcp_protocol_deps="network"
1895 tls_protocol_deps_any="openssl gnutls"
1896 tls_protocol_select="tcp_protocol"
1897 udp_protocol_deps="network"
1898
1899 # filters
1900 aconvert_filter_deps="swresample"
1901 amovie_filter_deps="avcodec avformat"
1902 aresample_filter_deps="swresample"
1903 ass_filter_deps="libass"
1904 asyncts_filter_deps="avresample"
1905 atempo_filter_deps="avcodec rdft"
1906 blackframe_filter_deps="gpl"
1907 boxblur_filter_deps="gpl"
1908 colormatrix_filter_deps="gpl"
1909 cropdetect_filter_deps="gpl"
1910 decimate_filter_deps="gpl avcodec"
1911 delogo_filter_deps="gpl"
1912 deshake_filter_deps="avcodec"
1913 drawtext_filter_deps="libfreetype"
1914 ebur128_filter_deps="gpl"
1915 flite_filter_deps="libflite"
1916 frei0r_filter_deps="frei0r dlopen"
1917 frei0r_filter_extralibs='$ldl'
1918 frei0r_src_filter_deps="frei0r dlopen"
1919 frei0r_src_filter_extralibs='$ldl'
1920 hqdn3d_filter_deps="gpl"
1921 movie_filter_deps="avcodec avformat"
1922 mp_filter_deps="gpl avcodec swscale postproc inline_asm"
1923 mptestsrc_filter_deps="gpl"
1924 negate_filter_deps="lut_filter"
1925 resample_filter_deps="avresample"
1926 ocv_filter_deps="libopencv"
1927 pan_filter_deps="swresample"
1928 removelogo_filter_deps="avcodec avformat swscale"
1929 scale_filter_deps="swscale"
1930 smartblur_filter_deps="gpl swscale"
1931 showspectrum_filter_deps="avcodec rdft"
1932 super2xsai_filter_deps="gpl"
1933 tinterlace_filter_deps="gpl"
1934 yadif_filter_deps="gpl"
1935 pixfmts_super2xsai_test_deps="super2xsai_filter"
1936 tinterlace_merge_test_deps="tinterlace_filter"
1937 tinterlace_pad_test_deps="tinterlace_filter"
1938
1939 # libraries
1940 avdevice_deps="avcodec avformat"
1941 avformat_deps="avcodec"
1942 postproc_deps="gpl"
1943
1944 # programs
1945 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1946 ffmpeg_select="ffbuffersink_filter format_filter aformat_filter
1947                setpts_filter null_filter anull_filter ffabuffersink_filter"
1948 ffplay_deps="avcodec avformat swscale swresample sdl"
1949 ffplay_select="ffbuffersink_filter rdft crop_filter"
1950 ffprobe_deps="avcodec avformat"
1951 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1952 ffserver_extralibs='$ldl'
1953
1954 # documentation
1955 podpages_deps="perl"
1956 manpages_deps="perl pod2man"
1957 htmlpages_deps="texi2html"
1958 txtpages_deps="makeinfo"
1959 doc_deps_any="manpages htmlpages podpages txtpages"
1960
1961 # tests
1962 colormatrix1_test_deps="colormatrix_filter"
1963 colormatrix2_test_deps="colormatrix_filter"
1964 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1965 png_test_deps="zlib"
1966 pp_test_deps="mp_filter"
1967 pp2_test_deps="mp_filter"
1968 pp3_test_deps="mp_filter"
1969 pp4_test_deps="mp_filter"
1970 pp5_test_deps="mp_filter"
1971 pp6_test_deps="mp_filter"
1972 seek_flashsv_flv_test_deps="zlib"
1973 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1974
1975 test_deps(){
1976     suf1=$1
1977     suf2=$2
1978     shift 2
1979     for v; do
1980         dep=${v%=*}
1981         tests=${v#*=}
1982         for name in ${tests}; do
1983             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1984         done
1985     done
1986 }
1987
1988 test_deps _muxer _demuxer                                               \
1989     aiff                                                                \
1990     pcm_alaw=alaw                                                       \
1991     asf                                                                 \
1992     au                                                                  \
1993     avi                                                                 \
1994     dv=dv_fmt                                                           \
1995     ffm                                                                 \
1996     flv=flv_fmt                                                         \
1997     gxf                                                                 \
1998     matroska=mkv                                                        \
1999     mmf                                                                 \
2000     mov="mov ismv"                                                      \
2001     pcm_mulaw=mulaw                                                     \
2002     mxf="mxf mxf_d10"                                                   \
2003     nut                                                                 \
2004     ogg="ogg ogg_vp3"                                                   \
2005     rawvideo=pixfmt                                                     \
2006     rm                                                                  \
2007     swf                                                                 \
2008     mpegts=ts                                                           \
2009     voc                                                                 \
2010     wav                                                                 \
2011     yuv4mpegpipe=yuv4mpeg                                               \
2012
2013 # default parameters
2014
2015 logfile="config.log"
2016
2017 # installation paths
2018 prefix_default="/usr/local"
2019 bindir_default='${prefix}/bin'
2020 datadir_default='${prefix}/share/ffmpeg'
2021 incdir_default='${prefix}/include'
2022 libdir_default='${prefix}/lib'
2023 mandir_default='${prefix}/share/man'
2024 shlibdir_default="$libdir_default"
2025 postproc_version_default="current"
2026
2027 # toolchain
2028 ar_default="ar"
2029 cc_default="gcc"
2030 cxx_default="g++"
2031 host_cc_default="gcc"
2032 install="install"
2033 ln_s="ln -sf"
2034 nm_default="nm -g"
2035 objformat="elf"
2036 pkg_config_default=pkg-config
2037 ranlib="ranlib"
2038 strip_default="strip"
2039 yasmexe_default="yasm"
2040
2041 nogas=":"
2042
2043 # machine
2044 arch_default=$(uname -m)
2045 cpu="generic"
2046
2047 # OS
2048 target_os_default=$(tolower $(uname -s))
2049 host_os=$target_os_default
2050
2051 # alternative libpostproc version
2052 ALT_PP_VER_MAJOR=51
2053 ALT_PP_VER_MINOR=2
2054 ALT_PP_VER_MICRO=101
2055 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
2056
2057 # configurable options
2058 enable $PROGRAM_LIST
2059 enable $DOCUMENT_LIST
2060
2061 enable avcodec
2062 enable avdevice
2063 enable avfilter
2064 enable avformat
2065 enable avutil
2066 enable postproc
2067 enable stripping
2068 enable swresample
2069 enable swscale
2070
2071 enable asm
2072 enable debug
2073 enable doc
2074 enable network
2075 enable optimizations
2076 enable runtime_cpudetect
2077 enable safe_bitstream_reader
2078 enable static
2079 enable swscale_alpha
2080
2081 # build settings
2082 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2083 FFSERVERLDFLAGS=-Wl,-E
2084 LIBPREF="lib"
2085 LIBSUF=".a"
2086 FULLNAME='$(NAME)$(BUILDSUF)'
2087 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2088 SLIBPREF="lib"
2089 SLIBSUF=".so"
2090 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2091 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2092 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2093 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2094 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2095 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2096
2097 asflags_filter=echo
2098 cflags_filter=echo
2099 ldflags_filter=echo
2100
2101 AS_C='-c'
2102 AS_O='-o $@'
2103 CC_C='-c'
2104 CC_E='-E -o $@'
2105 CC_O='-o $@'
2106 CXX_C='-c'
2107 CXX_O='-o $@'
2108 LD_O='-o $@'
2109 LD_LIB='-l%'
2110 LD_PATH='-L'
2111 HOSTCC_C='-c'
2112 HOSTCC_O='-o $@'
2113 HOSTLD_O='-o $@'
2114
2115 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
2116 host_libs='-lm'
2117 host_cflags_filter=echo
2118 host_ldflags_filter=echo
2119
2120 target_path='$(CURDIR)'
2121
2122 # since the object filename is not given with the -MM flag, the compiler
2123 # is only able to print the basename, and we must add the path ourselves
2124 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2125 DEPFLAGS='-MM'
2126
2127 # find source path
2128 if test -f configure; then
2129     source_path=.
2130 else
2131     source_path=$(cd $(dirname "$0"); pwd)
2132     echo "$source_path" | grep -q '[[:blank:]]' &&
2133         die "Out of tree builds are impossible with whitespace in source path."
2134     test -e "$source_path/config.h" &&
2135         die "Out of tree builds are impossible with config.h in source dir."
2136 fi
2137
2138 for v in "$@"; do
2139     r=${v#*=}
2140     l=${v%"$r"}
2141     r=$(sh_quote "$r")
2142     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2143 done
2144
2145 find_things(){
2146     thing=$1
2147     pattern=$2
2148     file=$source_path/$3
2149     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2150 }
2151
2152 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2153 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2154 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2155 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2156 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
2157 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2158 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2159 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2160 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2161 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2162 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2163
2164 ALL_COMPONENTS="
2165     $BSF_LIST
2166     $DECODER_LIST
2167     $DEMUXER_LIST
2168     $ENCODER_LIST
2169     $FILTER_LIST
2170     $HWACCEL_LIST
2171     $INDEV_LIST
2172     $MUXER_LIST
2173     $OUTDEV_LIST
2174     $PARSER_LIST
2175     $PROTOCOL_LIST
2176 "
2177
2178 find_tests(){
2179     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
2180 }
2181
2182 LAVF_FATE_TESTS=$(find_tests lavf-fate)
2183 LAVF_TESTS=$(find_tests lavf)
2184 LAVFI_TESTS=$(find_tests lavfi)
2185 SEEK_TESTS=$(find_tests seek seek_)
2186
2187 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
2188
2189 for n in $COMPONENT_LIST; do
2190     v=$(toupper ${n%s})_LIST
2191     eval enable \$$v
2192     eval ${n}_if_any="\$$v"
2193 done
2194
2195 enable $ARCH_EXT_LIST $ALL_TESTS
2196
2197 die_unknown(){
2198     echo "Unknown option \"$1\"."
2199     echo "See $0 --help for available options."
2200     exit 1
2201 }
2202
2203 show_list() {
2204     suffix=_$1
2205     shift
2206     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2207     exit 0
2208 }
2209
2210 rand_list(){
2211     IFS=', '
2212     set -- $*
2213     unset IFS
2214     for thing; do
2215         comp=${thing%:*}
2216         prob=${thing#$comp}
2217         prob=${prob#:}
2218         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2219         echo "prob ${prob:-0.5}"
2220         printf '%s\n' $comp
2221     done
2222 }
2223
2224 do_random(){
2225     action=$1
2226     shift
2227     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2228     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2229 }
2230
2231 for opt do
2232     optval="${opt#*=}"
2233     case "$opt" in
2234     --extra-ldflags=*) add_ldflags $optval
2235     ;;
2236     --extra-libs=*) add_extralibs $optval
2237     ;;
2238     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2239     ;;
2240     --enable-debug=*) debuglevel="$optval"
2241     ;;
2242     --disable-everything)
2243     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2244     ;;
2245     --enable-random|--disable-random)
2246     action=${opt%%-random}
2247     do_random ${action#--} $COMPONENT_LIST
2248     ;;
2249     --enable-random=*|--disable-random=*)
2250     action=${opt%%-random=*}
2251     do_random ${action#--} $optval
2252     ;;
2253     --enable-*=*|--disable-*=*)
2254     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2255     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2256     eval list=\$$(toupper $thing)_LIST
2257     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2258     $action $(filter "$name" $list)
2259     ;;
2260     --enable-?*|--disable-?*)
2261     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2262     if is_in $option $COMPONENT_LIST; then
2263         test $action = disable && action=unset
2264         eval $action \$$(toupper ${option%s})_LIST
2265     elif is_in $option $CMDLINE_SELECT; then
2266         $action $option
2267     else
2268         die_unknown $opt
2269     fi
2270     ;;
2271     --list-*)
2272         NAME="${opt#--list-}"
2273         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2274         NAME=${NAME%s}
2275         eval show_list $NAME \$$(toupper $NAME)_LIST
2276     ;;
2277     --help|-h) show_help
2278     ;;
2279     *)
2280     optname="${opt%%=*}"
2281     optname="${optname#--}"
2282     optname=$(echo "$optname" | sed 's/-/_/g')
2283     if is_in $optname $CMDLINE_SET; then
2284         eval $optname='$optval'
2285     elif is_in $optname $CMDLINE_APPEND; then
2286         append $optname "$optval"
2287     else
2288          die_unknown $opt
2289     fi
2290     ;;
2291     esac
2292 done
2293
2294 disabled logging && logfile=/dev/null
2295
2296 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2297 set >> $logfile
2298
2299 test -n "$cross_prefix" && enable cross_compile
2300
2301 if enabled cross_compile; then
2302     test -n "$arch" && test -n "$target_os" ||
2303         die "Must specify target arch and OS when cross-compiling"
2304 fi
2305
2306 set_default arch target_os postproc_version
2307
2308 # Check if we should build alternative libpostproc version instead of current
2309 if   test "$postproc_version" = $ALT_PP_VER; then
2310   LIBPOSTPROC_VERSION=$ALT_PP_VER
2311   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2312   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2313   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2314 elif test "$postproc_version" != current; then
2315   die "Invalid argument to --postproc-version. See --help output."
2316 fi
2317
2318 ar_default="${cross_prefix}${ar_default}"
2319 cc_default="${cross_prefix}${cc_default}"
2320 cxx_default="${cross_prefix}${cxx_default}"
2321 nm_default="${cross_prefix}${nm_default}"
2322 pkg_config_default="${cross_prefix}${pkg_config_default}"
2323 ranlib="${cross_prefix}${ranlib}"
2324 strip_default="${cross_prefix}${strip_default}"
2325
2326 sysinclude_default="${sysroot}/usr/include"
2327
2328 case "$toolchain" in
2329     msvc)
2330         cc_default="c99wrap cl"
2331         ld_default="c99wrap link"
2332         nm_default="dumpbin -symbols"
2333         ar_default="lib"
2334     ;;
2335     ?*)
2336         die "Unknown toolchain $toolchain"
2337     ;;
2338 esac
2339
2340 set_default cc cxx pkg_config strip sysinclude yasmexe
2341 enabled cross_compile || host_cc_default=$cc
2342 set_default host_cc
2343
2344 if ! $pkg_config --version >/dev/null 2>&1; then
2345     warn "$pkg_config not found, library detection may fail."
2346     pkg_config=false
2347 fi
2348
2349 exesuf() {
2350     case $1 in
2351         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2352     esac
2353 }
2354
2355 EXESUF=$(exesuf $target_os)
2356 HOSTEXESUF=$(exesuf $host_os)
2357
2358 # set temporary file name
2359 : ${TMPDIR:=$TEMPDIR}
2360 : ${TMPDIR:=$TMP}
2361 : ${TMPDIR:=/tmp}
2362
2363 if ! check_cmd mktemp -u XXXXXX; then
2364     # simple replacement for missing mktemp
2365     # NOT SAFE FOR GENERAL USE
2366     mktemp(){
2367         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2368     }
2369 fi
2370
2371 tmpfile(){
2372     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2373         (set -C; exec > $tmp) 2>/dev/null ||
2374         die "Unable to create temporary file in $TMPDIR."
2375     append TMPFILES $tmp
2376     eval $1=$tmp
2377 }
2378
2379 trap 'rm -f -- $TMPFILES' EXIT
2380
2381 tmpfile TMPASM .asm
2382 tmpfile TMPC   .c
2383 tmpfile TMPCPP .cpp
2384 tmpfile TMPE   $EXESUF
2385 tmpfile TMPH   .h
2386 tmpfile TMPO   .o
2387 tmpfile TMPS   .S
2388 tmpfile TMPSH  .sh
2389 tmpfile TMPV   .ver
2390
2391 unset -f mktemp
2392
2393 chmod +x $TMPE
2394
2395 # make sure we can execute files in $TMPDIR
2396 cat > $TMPSH 2>> $logfile <<EOF
2397 #! /bin/sh
2398 EOF
2399 chmod +x $TMPSH >> $logfile 2>&1
2400 if ! $TMPSH >> $logfile 2>&1; then
2401     cat <<EOF
2402 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2403 variable to another directory and make sure that it is not mounted noexec.
2404 EOF
2405     die "Sanity test failed."
2406 fi
2407
2408 msvc_flags(){
2409     for flag; do
2410         case $flag in
2411             -fomit-frame-pointer) echo -Oy ;;
2412             -g)                   echo -Z7 ;;
2413             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2414                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2415                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2416                                        -wd4996 -wd4554 ;;
2417             -std=c99)             ;;
2418             -fno-math-errno)      ;;
2419             -fno-common)          ;;
2420             -fno-signed-zeros)    ;;
2421             -lz)                  echo zlib.lib ;;
2422             -lavifil32)           echo vfw32.lib ;;
2423             -lavicap32)           echo vfw32.lib user32.lib ;;
2424             -l*)                  echo ${flag#-l}.lib ;;
2425             *)                    echo $flag ;;
2426         esac
2427     done
2428 }
2429
2430 pgi_flags(){
2431     for flag; do
2432         case $flag in
2433             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;
2434             -fomit-frame-pointer) echo -Mnoframe ;;
2435             -g)                   echo -gopt ;;
2436             *)                    echo $flag ;;
2437         esac
2438     done
2439 }
2440
2441 suncc_flags(){
2442     for flag; do
2443         case $flag in
2444             -march=*|-mcpu=*)
2445                 case "${flag#*=}" in
2446                     native)                   echo -xtarget=native       ;;
2447                     v9|niagara)               echo -xarch=sparc          ;;
2448                     ultrasparc)               echo -xarch=sparcvis       ;;
2449                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2450                     i586|pentium)             echo -xchip=pentium        ;;
2451                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2452                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2453                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2454                     pentium4*)          echo -xtarget=pentium4           ;;
2455                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2456                     *-sse3)             echo -xarch=sse3                 ;;
2457                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
2458                     amdfam10|barcelona|bdver*) echo -xarch=sse4_1        ;;
2459                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2460                     k8|opteron|athlon64|athlon-fx)
2461                                               echo -xarch=sse2a          ;;
2462                     athlon*)                  echo -xarch=pentium_proa   ;;
2463                 esac
2464                 ;;
2465             -std=c99)             echo -xc99              ;;
2466             -fomit-frame-pointer) echo -xregs=frameptr    ;;
2467             -fPIC)                echo -KPIC -xcode=pic32 ;;
2468             -W*,*)                echo $flag              ;;
2469             -f*-*|-W*)                                    ;;
2470             *)                    echo $flag              ;;
2471         esac
2472     done
2473 }
2474
2475 tms470_flags(){
2476     for flag; do
2477         case $flag in
2478             -march=*|-mcpu=*)
2479                 case "${flag#*=}" in
2480                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
2481                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
2482                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
2483                     armv6*|arm11*)          echo -mv=6   ;;
2484                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2485                                             echo -mv=5e  ;;
2486                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2487                 esac
2488                 ;;
2489             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2490             -mfpu=vfp)      echo --float_support=vfpv2        ;;
2491             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2492             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;
2493             -msoft-float)   echo --float_support=vfplib       ;;
2494             -O[0-3]|-mf=*)  echo $flag                        ;;
2495             -g)             echo -g -mn                       ;;
2496             -pds=*)         echo $flag                        ;;
2497             -D*|-I*)        echo $flag                        ;;
2498             --gcc|--abi=*)  echo $flag                        ;;
2499             -me)            echo $flag                        ;;
2500         esac
2501     done
2502 }
2503
2504 probe_cc(){
2505     pfx=$1
2506     _cc=$2
2507
2508     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2509     unset _ld_o _ldflags _ld_lib _ld_path
2510     unset _depflags _DEPCMD _DEPFLAGS
2511     _flags_filter=echo
2512
2513     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2514         _type=llvm_gcc
2515         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2516         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2517         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2518         _cflags_speed='-O3'
2519         _cflags_size='-Os'
2520     elif $_cc -v 2>&1 | grep -qi ^gcc; then
2521         _type=gcc
2522         gcc_version=$($_cc --version | head -n1)
2523         gcc_basever=$($_cc -dumpversion)
2524         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2525         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2526         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2527         if ! $_cc -dumpversion | grep -q '^2\.'; then
2528             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2529         fi
2530         _cflags_speed='-O3'
2531         _cflags_size='-Os'
2532     elif $_cc --version 2>/dev/null | grep -q Intel; then
2533         _type=icc
2534         _ident=$($_cc --version | head -n1)
2535         _depflags='-MMD'
2536         _cflags_speed='-O3'
2537         _cflags_size='-Os'
2538         _cflags_noopt='-O1'
2539     elif $_cc -v 2>&1 | grep -q xlc; then
2540         _type=xlc
2541         _ident=$($_cc -qversion 2>/dev/null | head -n1)
2542         _cflags_speed='-O5'
2543         _cflags_size='-O5 -qcompact'
2544     elif $_cc -V 2>/dev/null | grep -q Compaq; then
2545         _type=ccc
2546         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2547         _DEPFLAGS='-M'
2548         debuglevel=3
2549         _ldflags='-Wl,-z,now' # calls to libots crash without this
2550         _cflags_speed='-fast'
2551         _cflags_size='-O1'
2552     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2553         test -d "$sysroot" || die "No valid sysroot specified."
2554         _type=armcc
2555         _ident=$($_cc --vsn | head -n1)
2556         armcc_conf="$PWD/armcc.conf"
2557         $_cc --arm_linux_configure                 \
2558              --arm_linux_config_file="$armcc_conf" \
2559              --configure_sysroot="$sysroot"        \
2560              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2561              die "Error creating armcc configuration file."
2562         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2563         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2564         as_default="${cross_prefix}gcc"
2565         _depflags='-MMD'
2566         _cflags_speed='-O3'
2567         _cflags_size='-Os'
2568     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2569         _type=tms470
2570         _ident=$($_cc -version | head -n1 | tr -s ' ')
2571         _flags='--gcc --abi=eabi -me'
2572         _cc_e='-ppl -fe=$@'
2573         _cc_o='-fe=$@'
2574         _depflags='-ppa -ppd=$(@:.o=.d)'
2575         _cflags_speed='-O3 -mf=5'
2576         _cflags_size='-O3 -mf=2'
2577         _flags_filter=tms470_flags
2578     elif $_cc -v 2>&1 | grep -q clang; then
2579         _type=clang
2580         _ident=$($_cc --version | head -n1)
2581         _depflags='-MMD'
2582         _cflags_speed='-O3'
2583         _cflags_size='-Os'
2584     elif $_cc -V 2>&1 | grep -q Sun; then
2585         _type=suncc
2586         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2587         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2588         _DEPFLAGS='-xM1 -xc99'
2589         _ldflags='-std=c99'
2590         _cflags_speed='-O5'
2591         _cflags_size='-O5 -xspace'
2592         _flags_filter=suncc_flags
2593     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2594         _type=pathscale
2595         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2596         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2597         _cflags_speed='-O2'
2598         _cflags_size='-Os'
2599         _flags_filter='filter_out -Wdisabled-optimization'
2600     elif $_cc -v 2>&1 | grep -q Open64; then
2601         _type=open64
2602         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2603         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2604         _cflags_speed='-O2'
2605         _cflags_size='-Os'
2606         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2607     elif $_cc -V 2>&1 | grep -q Portland; then
2608         _type=pgi
2609         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2610         opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2611         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2612         _cflags_size="-O2 -Munroll=c:1 $opt_common"
2613         _cflags_noopt="-O1"
2614         _flags_filter=pgi_flags
2615     elif $_cc 2>&1 | grep -q Microsoft; then
2616         _type=msvc
2617         _ident=$($cc 2>&1 | head -n1)
2618         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2619         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2620         _cflags_speed="-O2"
2621         _cflags_size="-O1"
2622         # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2623         if $_cc 2>&1 | grep -q Linker; then
2624             _ld_o='-out $@'
2625         else
2626             _ld_o='-Fe$@'
2627         fi
2628         _cc_o='-Fo $@'
2629         _cc_e='-P -Fi $@'
2630         _flags_filter=msvc_flags
2631         _ld_lib='lib%.a'
2632         _ld_path='-libpath:'
2633         _flags='-nologo'
2634         _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2635         if [ $pfx = hostcc ]; then
2636             append _cflags -Dsnprintf=_snprintf
2637         fi
2638         disable stripping
2639     fi
2640
2641     eval ${pfx}_type=\$_type
2642     eval ${pfx}_ident=\$_ident
2643 }
2644
2645 set_ccvars(){
2646     eval ${1}_C=\${_cc_c-\${${1}_C}}
2647     eval ${1}_E=\${_cc_e-\${${1}_E}}
2648     eval ${1}_O=\${_cc_o-\${${1}_O}}
2649
2650     if [ -n "$_depflags" ]; then
2651         eval ${1}_DEPFLAGS=\$_depflags
2652     else
2653         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2654         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2655         eval DEP${1}FLAGS=\$_flags
2656     fi
2657 }
2658
2659 probe_cc cc "$cc"
2660 cflags_filter=$_flags_filter
2661 cflags_speed=$_cflags_speed
2662 cflags_size=$_cflags_size
2663 cflags_noopt=$_cflags_noopt
2664 add_cflags $_flags $_cflags
2665 cc_ldflags=$_ldflags
2666 set_ccvars CC
2667
2668 probe_cc hostcc "$host_cc"
2669 host_cflags_filter=$_flags_filter
2670 add_host_cflags  $_flags $_cflags
2671 set_ccvars HOSTCC
2672
2673 test -n "$cc_type" && enable $cc_type ||
2674     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2675
2676 : ${as_default:=$cc}
2677 : ${dep_cc_default:=$cc}
2678 : ${ld_default:=$cc}
2679 : ${host_ld_default:=$host_cc}
2680 set_default ar as dep_cc ld host_ld
2681
2682 probe_cc as "$as"
2683 asflags_filter=$_flags_filter
2684 add_asflags $_flags $_cflags
2685 set_ccvars AS
2686
2687 probe_cc ld "$ld"
2688 ldflags_filter=$_flags_filter
2689 add_ldflags $_flags $_ldflags
2690 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2691 LD_O=${_ld_o-$LD_O}
2692 LD_LIB=${_ld_lib-$LD_LIB}
2693 LD_PATH=${_ld_path-$LD_PATH}
2694
2695 probe_cc hostld "$host_ld"
2696 host_ldflags_filter=$_flags_filter
2697 add_host_ldflags $_flags $_ldflags
2698 HOSTLD_O=${_ld_o-$HOSTLD_O}
2699
2700 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2701     probe_cc depcc "$dep_cc"
2702     CCDEP=${_DEPCMD:-$DEPCMD}
2703     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2704     DEPCCFLAGS=$_flags
2705 fi
2706
2707 if $ar 2>&1 | grep -q Microsoft; then
2708     arflags="-nologo"
2709     ar_o='-out:$@'
2710 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2711     arflags="rq"
2712     ar_o='$@'
2713 else
2714     arflags="rc"
2715     ar_o='$@'
2716 fi
2717
2718 add_cflags $extra_cflags
2719 add_cxxflags $extra_cxxflags
2720 add_asflags $extra_cflags
2721
2722 if test -n "$sysroot"; then
2723     case "$cc_type" in
2724         gcc|llvm_gcc|clang)
2725             add_cppflags --sysroot="$sysroot"
2726             add_ldflags --sysroot="$sysroot"
2727         ;;
2728         tms470)
2729             add_cppflags -I"$sysinclude"
2730             add_ldflags  --sysroot="$sysroot"
2731         ;;
2732     esac
2733 fi
2734
2735 if test "$cpu" = host; then
2736     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2737
2738     case "$cc_type" in
2739         gcc|llvm_gcc)
2740             check_native(){
2741                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2742                 sed -n "/cc1.*$1=/{
2743                             s/.*$1=\\([^ ]*\\).*/\\1/
2744                             p
2745                             q
2746                         }" $TMPE
2747             }
2748             cpu=$(check_native -march || check_native -mcpu)
2749         ;;
2750     esac
2751
2752     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2753 fi
2754
2755 # Deal with common $arch aliases
2756 case "$arch" in
2757     arm*|iPad*)
2758         arch="arm"
2759     ;;
2760     mips|mipsel|IP*)
2761         arch="mips"
2762     ;;
2763     mips64*)
2764         arch="mips"
2765         subarch="mips64"
2766     ;;
2767     parisc|hppa)
2768         arch="parisc"
2769     ;;
2770     parisc64|hppa64)
2771         arch="parisc"
2772         subarch="parisc64"
2773     ;;
2774     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2775         arch="ppc"
2776     ;;
2777     s390|s390x)
2778         arch="s390"
2779     ;;
2780     sh4|sh)
2781         arch="sh4"
2782     ;;
2783     sun4u|sparc64)
2784         arch="sparc"
2785         subarch="sparc64"
2786     ;;
2787     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2788         arch="x86"
2789     ;;
2790 esac
2791
2792 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2793 enable $arch
2794
2795 # Add processor-specific flags
2796 if test "$cpu" = generic; then
2797     : do nothing
2798 elif enabled ppc; then
2799
2800     case $(tolower $cpu) in
2801         601|ppc601|powerpc601)
2802             cpuflags="-mcpu=601"
2803             disable altivec
2804         ;;
2805         603*|ppc603*|powerpc603*)
2806             cpuflags="-mcpu=603"
2807             disable altivec
2808         ;;
2809         604*|ppc604*|powerpc604*)
2810             cpuflags="-mcpu=604"
2811             disable altivec
2812         ;;
2813         g3|75*|ppc75*|powerpc75*)
2814             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2815             disable altivec
2816         ;;
2817         g4|745*|ppc745*|powerpc745*)
2818             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2819         ;;
2820         74*|ppc74*|powerpc74*)
2821             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2822         ;;
2823         g5|970|ppc970|powerpc970)
2824             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2825         ;;
2826         power[3-7]*)
2827             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2828         ;;
2829         cell)
2830             cpuflags="-mcpu=cell"
2831             enable ldbrx
2832         ;;
2833         e500mc)
2834             cpuflags="-mcpu=e500mc"
2835             disable altivec
2836         ;;
2837         e500v2)
2838             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2839             disable altivec
2840         ;;
2841         e500)
2842             cpuflags="-mcpu=8540 -mhard-float"
2843             disable altivec
2844         ;;
2845     esac
2846
2847 elif enabled x86; then
2848
2849     case $cpu in
2850         i[345]86|pentium)
2851             cpuflags="-march=$cpu"
2852             disable mmx
2853         ;;
2854         # targets that do NOT support conditional mov (cmov)
2855         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2856             cpuflags="-march=$cpu"
2857             disable cmov
2858         ;;
2859         # targets that do support conditional mov (cmov)
2860         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
2861             cpuflags="-march=$cpu"
2862             enable cmov
2863             enable fast_cmov
2864         ;;
2865         # targets that do support conditional mov but on which it's slow
2866         pentium4|pentium4m|prescott|nocona)
2867             cpuflags="-march=$cpu"
2868             enable cmov
2869             disable fast_cmov
2870         ;;
2871     esac
2872
2873 elif enabled sparc; then
2874
2875     case $cpu in
2876         niagara)
2877             cpuflags="-mcpu=$cpu"
2878             disable vis
2879         ;;
2880         sparc64)
2881             cpuflags="-mcpu=v9"
2882         ;;
2883     esac
2884
2885 elif enabled arm; then
2886
2887     case $cpu in
2888         armv*)
2889             cpuflags="-march=$cpu"
2890             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2891         ;;
2892         *)
2893             cpuflags="-mcpu=$cpu"
2894             case $cpu in
2895                 cortex-a*)                               subarch=armv7a  ;;
2896                 cortex-r*)                               subarch=armv7r  ;;
2897                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2898                 arm11*)                                  subarch=armv6   ;;
2899                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2900                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2901             esac
2902         ;;
2903     esac
2904
2905 elif enabled alpha; then
2906
2907     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2908
2909 elif enabled bfin; then
2910
2911     cpuflags="-mcpu=$cpu"
2912
2913 elif enabled mips; then
2914
2915     cpuflags="-march=$cpu"
2916
2917     case $cpu in
2918         24kc)
2919             disable mipsfpu
2920             disable mipsdspr1
2921             disable mipsdspr2
2922         ;;
2923         24kf*)
2924             disable mipsdspr1
2925             disable mipsdspr2
2926         ;;
2927         24kec|34kc|1004kc)
2928             disable mipsfpu
2929             disable mipsdspr2
2930         ;;
2931         24kef*|34kf*|1004kf*)
2932             disable mipsdspr2
2933         ;;
2934         74kc)
2935             disable mipsfpu
2936         ;;
2937     esac
2938
2939 elif enabled avr32; then
2940
2941     case $cpu in
2942         ap7[02]0[0-2])
2943             subarch="avr32_ap"
2944             cpuflags="-mpart=$cpu"
2945         ;;
2946         ap)
2947             subarch="avr32_ap"
2948             cpuflags="-march=$cpu"
2949         ;;
2950         uc3[ab]*)
2951             subarch="avr32_uc"
2952             cpuflags="-mcpu=$cpu"
2953         ;;
2954         uc)
2955             subarch="avr32_uc"
2956             cpuflags="-march=$cpu"
2957         ;;
2958     esac
2959
2960 fi
2961
2962 add_cflags $cpuflags
2963 add_asflags $cpuflags
2964
2965 # compiler sanity check
2966 check_exec <<EOF
2967 int main(void){ return 0; }
2968 EOF
2969 if test "$?" != 0; then
2970     echo "$cc is unable to create an executable file."
2971     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2972         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2973         echo "Only do this if you know what cross compiling means."
2974     fi
2975     die "C compiler test failed."
2976 fi
2977
2978 add_cppflags -D_ISOC99_SOURCE
2979 add_cxxflags -D__STDC_CONSTANT_MACROS
2980 check_cflags -std=c99
2981 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2982 #include <stdlib.h>
2983 EOF
2984 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2985 #include <stdlib.h>
2986 EOF
2987
2988 check_host_cflags -std=c99
2989 check_host_cflags -Wall
2990
2991 case "$arch" in
2992     alpha|ia64|mips|parisc|sparc)
2993         spic=$shared
2994     ;;
2995     x86)
2996         subarch="x86_32"
2997         check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2998         if test "$subarch" = "x86_64"; then
2999             spic=$shared
3000         fi
3001     ;;
3002     ppc)
3003         check_cc <<EOF && subarch="ppc64"
3004         int test[(int)sizeof(char*) - 7];
3005 EOF
3006     ;;
3007 esac
3008
3009 enable $subarch
3010 enabled spic && enable pic
3011
3012 # OS specific
3013 case $target_os in
3014     haiku)
3015         prefix_default="/boot/common"
3016         network_extralibs="-lnetwork"
3017         host_libs=
3018         ;;
3019     sunos)
3020         FFSERVERLDFLAGS=""
3021         SHFLAGS='-shared -Wl,-h,$$(@F)'
3022         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3023         network_extralibs="-lsocket -lnsl"
3024         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3025         # When using suncc to build, the Solaris linker will mark
3026         # an executable with each instruction set encountered by
3027         # the Solaris assembler.  As our libraries contain their own
3028         # guards for processor-specific code, instead suppress
3029         # generation of the HWCAPS ELF section on Solaris x86 only.
3030         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
3031         nm_default='nm -P -g'
3032         ;;
3033     netbsd)
3034         disable symver
3035         oss_indev_extralibs="-lossaudio"
3036         oss_outdev_extralibs="-lossaudio"
3037         enabled gcc || check_ldflags -Wl,-zmuldefs
3038         ;;
3039     openbsd|bitrig)
3040         # On OpenBSD 4.5. the compiler does not use PIC unless
3041         # explicitly using -fPIC. FFmpeg builds fine without PIC,
3042         # however the generated executable will not do anything
3043         # (simply quits with exit-code 1, no crash, no output).
3044         # Thus explicitly enable PIC here.
3045         enable pic
3046         disable symver
3047         SHFLAGS='-shared'
3048         SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
3049         SLIB_INSTALL_LINKS=
3050         oss_indev_extralibs="-lossaudio"
3051         oss_outdev_extralibs="-lossaudio"
3052         ;;
3053     dragonfly)
3054         disable symver
3055         ;;
3056     freebsd)
3057         ;;
3058     bsd/os)
3059         add_extralibs -lpoll -lgnugetopt
3060         strip="strip -d"
3061         ;;
3062     darwin)
3063         gas="gas-preprocessor.pl $cc"
3064         enabled ppc && add_asflags -force_cpusubtype_ALL
3065         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3066         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3067         strip="${strip} -x"
3068         add_ldflags -Wl,-dynamic,-search_paths_first
3069         SLIBSUF=".dylib"
3070         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3071         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3072         FFSERVERLDFLAGS=-Wl,-bind_at_load
3073         objformat="macho"
3074         enabled x86_64 && objformat="macho64"
3075         enabled_any pic shared ||
3076             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3077         ;;
3078     mingw32*)
3079         if test $target_os = "mingw32ce"; then
3080             disable network
3081         else
3082             target_os=mingw32
3083         fi
3084         LIBTARGET=i386
3085         if enabled x86_64; then
3086             LIBTARGET="i386:x86-64"
3087         elif enabled arm; then
3088             LIBTARGET=arm-wince
3089         fi
3090         shlibdir_default="$bindir_default"
3091         SLIBPREF=""
3092         SLIBSUF=".dll"
3093         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3094         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3095         dlltool="${cross_prefix}dlltool"
3096         if check_cmd lib.exe -list; then
3097             SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3098             if enabled x86_64; then
3099                 LIBTARGET=x64
3100             fi
3101         elif check_cmd $dlltool --version; then
3102             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3103         fi
3104         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3105         SLIB_INSTALL_LINKS=
3106         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3107         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3108         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3109         objformat="win32"
3110         ranlib=:
3111         enable dos_paths
3112         add_cppflags -U__STRICT_ANSI__
3113         ;;
3114     cygwin*)
3115         target_os=cygwin
3116         shlibdir_default="$bindir_default"
3117         SLIBPREF="cyg"
3118         SLIBSUF=".dll"
3119         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3120         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3121         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3122         SLIB_INSTALL_LINKS=
3123         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3124         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3125         objformat="win32"
3126         enable dos_paths
3127         add_cppflags -U__STRICT_ANSI__
3128         ;;
3129     *-dos|freedos|opendos)
3130         network_extralibs="-lsocket"
3131         objformat="coff"
3132         enable dos_paths
3133         add_cppflags -U__STRICT_ANSI__
3134         ;;
3135     linux)
3136         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3137         enable dv1394
3138         ;;
3139     irix*)
3140         target_os=irix
3141         ranlib="echo ignoring ranlib"
3142         ;;
3143     os/2*)
3144         strip="lxlite -CS"
3145         ln_s="cp -f"
3146         objformat="aout"
3147         add_cppflags -D_GNU_SOURCE
3148         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3149         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3150         FFSERVERLDFLAGS=""
3151         LIBSUF="_s.a"
3152         SLIBPREF=""
3153         SLIBSUF=".dll"
3154         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3155         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3156         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3157             echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3158             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3159             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3160             echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3161             emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3162         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3163             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3164         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3165         enable dos_paths
3166         enable_weak os2threads
3167         ;;
3168     gnu/kfreebsd)
3169         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
3170         ;;
3171     gnu)
3172         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3173         ;;
3174     qnx)
3175         add_cppflags -D_QNX_SOURCE
3176         network_extralibs="-lsocket"
3177         ;;
3178     symbian)
3179         SLIBSUF=".dll"
3180         enable dos_paths
3181         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3182         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3183         add_ldflags -Wl,--target1-abs,--no-undefined \
3184                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3185                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3186         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3187                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3188                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3189         ;;
3190     osf1)
3191         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3192         FFSERVERLDFLAGS=
3193         ;;
3194     minix)
3195         ;;
3196     none)
3197         ;;
3198     *)
3199         die "Unknown OS '$target_os'."
3200         ;;
3201 esac
3202
3203 # determine libc flavour
3204
3205 if check_cpp_condition features.h "defined __UCLIBC__"; then
3206     libc_type=uclibc
3207 elif check_cpp_condition features.h "defined __GLIBC__"; then
3208     libc_type=glibc
3209 elif check_header _mingw.h; then
3210     libc_type=mingw
3211     check_cpp_condition _mingw.h \
3212         "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3213             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3214         die "ERROR: MinGW runtime version must be >= 3.15."
3215     if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3216             __MINGW64_VERSION_MAJOR < 3"; then
3217         enable broken_snprintf
3218         add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3219     fi
3220 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3221     libc_type=newlib
3222 elif check_func_headers stdlib.h _get_doserrno; then
3223     libc_type=msvcrt
3224     enable broken_snprintf
3225     add_cflags -Dstrtod=avpriv_strtod
3226     add_cflags -Dsnprintf=avpriv_snprintf   \
3227                -D_snprintf=avpriv_snprintf  \
3228                -Dvsnprintf=avpriv_vsnprintf
3229 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3230     libc_type=klibc
3231 fi
3232
3233 test -n "$libc_type" && enable $libc_type
3234
3235 # hacks for compiler/libc/os combinations
3236
3237 if enabled_all tms470 glibc; then
3238     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3239     add_cppflags -D__USER_LABEL_PREFIX__=
3240     add_cppflags -D__builtin_memset=memset
3241     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3242     add_cflags   -pds=48    # incompatible redefinition of macro
3243 fi
3244
3245 esc(){
3246     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3247 }
3248
3249 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3250
3251 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3252
3253 set_default $PATHS_LIST
3254 set_default nm
3255
3256 # we need to build at least one lib type
3257 if ! enabled_any static shared; then
3258     cat <<EOF
3259 At least one library type must be built.
3260 Specify --enable-static to build the static libraries or --enable-shared to
3261 build the shared libraries as well. To only build the shared libraries specify
3262 --disable-static in addition to --enable-shared.
3263 EOF
3264     exit 1;
3265 fi
3266
3267 die_license_disabled() {
3268     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3269 }
3270
3271 die_license_disabled_gpl() {
3272     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3273 }
3274
3275 die_license_disabled gpl libcdio
3276 die_license_disabled gpl libutvideo
3277 die_license_disabled gpl libx264
3278 die_license_disabled gpl libxavs
3279 die_license_disabled gpl libxvid
3280 die_license_disabled gpl x11grab
3281
3282 die_license_disabled nonfree libaacplus
3283 die_license_disabled nonfree libfaac
3284 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3285 enabled gpl && die_license_disabled_gpl nonfree openssl
3286
3287 die_license_disabled version3 libopencore_amrnb
3288 die_license_disabled version3 libopencore_amrwb
3289 die_license_disabled version3 libvo_aacenc
3290 die_license_disabled version3 libvo_amrwbenc
3291
3292 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3293
3294 disabled optimizations || check_cflags -fomit-frame-pointer
3295
3296 enable_pic() {
3297     enable pic
3298     add_cppflags -DPIC
3299     add_cflags   -fPIC
3300     add_asflags  -fPIC
3301 }
3302
3303 enabled pic && enable_pic
3304
3305 check_cc <<EOF || die "Symbol mangling check failed."
3306 int ff_extern;
3307 EOF
3308 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3309 extern_prefix=${sym%%ff_extern*}
3310
3311 check_cc <<EOF && enable_weak inline_asm
3312 void foo(void) { __asm__ volatile ("" ::); }
3313 EOF
3314
3315 _restrict=
3316 for restrict_keyword in restrict __restrict__ __restrict; do
3317     check_cc <<EOF && _restrict=$restrict_keyword && break
3318 void foo(char * $restrict_keyword p);
3319 EOF
3320 done
3321
3322 check_cc <<EOF && enable attribute_packed
3323 struct { int x; } __attribute__((packed)) x;
3324 EOF
3325
3326 check_cc <<EOF && enable attribute_may_alias
3327 union { int x; } __attribute__((may_alias)) x;
3328 EOF
3329
3330 check_cc <<EOF || die "endian test failed"
3331 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3332 EOF
3333 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3334
3335 if enabled alpha; then
3336
3337     check_cflags -mieee
3338
3339 elif enabled arm; then
3340
3341     enabled thumb && check_cflags -mthumb || check_cflags -marm
3342     nogas=die
3343
3344     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3345         enable vfp_args
3346     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3347         case "${cross_prefix:-$cc}" in
3348             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
3349             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3350 __asm__ (".eabi_attribute 28, 1");
3351 int main(void) { return 0; }
3352 EOF
3353         esac
3354         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3355     fi
3356
3357     enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
3358     enabled armv6   && check_inline_asm armv6   '"sadd16 r0, r0, r0"'
3359     enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
3360     enabled armvfp  && check_inline_asm armvfp  '"fadds s0, s0, s0"'
3361     enabled neon    && check_inline_asm neon    '"vadd.i16 q0, q0, q0"'
3362     enabled vfpv3   && check_inline_asm vfpv3   '"vmov.f32 s0, #1.0"'
3363
3364     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3365     check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3366
3367     enabled_all armv6t2 shared !pic && enable_pic
3368
3369 elif enabled mips; then
3370
3371     check_inline_asm loongson '"dmult.g $1, $2, $3"'
3372     enabled mips32r2  && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3373      check_inline_asm mips32r2  '"rotr $t0, $t1, 1"'
3374     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3375      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3376     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3377      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3378     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3379      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
3380
3381 elif enabled ppc; then
3382
3383     enable local_aligned_8 local_aligned_16
3384
3385     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3386     check_inline_asm ibm_asm   '"add 0, 0, 0"'
3387     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'
3388     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3389
3390     # AltiVec flags: The FSF version of GCC differs from the Apple version
3391     if enabled altivec; then
3392         nogas=warn
3393         check_cflags -maltivec -mabi=altivec &&
3394         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3395         check_cflags -faltivec
3396
3397         # check if our compiler supports Motorola AltiVec C API
3398         check_cc <<EOF || disable altivec
3399 $inc_altivec_h
3400 int main(void) {
3401     vector signed int v1 = (vector signed int) { 0 };
3402     vector signed int v2 = (vector signed int) { 1 };
3403     v1 = vec_add(v1, v2);
3404     return 0;
3405 }
3406 EOF
3407
3408         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3409     fi
3410
3411 elif enabled sparc; then
3412
3413     enabled vis &&
3414         check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3415             add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3416
3417 elif enabled x86; then
3418
3419     check_code ld intrin.h "__rdtsc()" "cc" && enable rdtsc
3420
3421     check_code ld mmintrin.h "_mm_empty()" "cc" && enable mm_empty
3422
3423     enable local_aligned_8 local_aligned_16
3424
3425     # check whether EBP is available on x86
3426     # As 'i' is stored on the stack, this program will crash
3427     # if the base pointer is used to access it because the
3428     # base pointer is cleared in the inline assembly code.
3429     check_exec_crash <<EOF && enable ebp_available
3430 volatile int i=0;
3431 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3432 return i;
3433 EOF
3434
3435     # check whether EBX is available on x86
3436     check_inline_asm ebx_available '""::"b"(0)' &&
3437         check_inline_asm ebx_available '"":::"%ebx"'
3438
3439     # check whether xmm clobbers are supported
3440     check_inline_asm xmm_clobbers '"":::"%xmm0"'
3441
3442     # check whether binutils is new enough to compile SSSE3/MMXEXT
3443     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'
3444     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3445
3446     if ! disabled_any asm mmx yasm; then
3447         if check_cmd $yasmexe --version; then
3448             enabled x86_64 && yasm_extra="-m amd64"
3449             yasm_debug="-g dwarf2"
3450         elif check_cmd nasm -v; then
3451             yasmexe=nasm
3452             yasm_debug="-g -F dwarf"
3453             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3454         fi
3455
3456         YASMFLAGS="-f $objformat $yasm_extra"
3457         enabled pic               && append YASMFLAGS "-DPIC"
3458         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3459         case "$objformat" in
3460             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3461         esac
3462
3463         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3464             die "yasm not found, use --disable-yasm for a crippled build"
3465         check_yasm "vextractf128 xmm0, ymm0, 0"      || disable avx_external
3466         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3467         check_yasm "CPU amdnop" && enable cpunop
3468     fi
3469
3470     case "$cpu" in
3471         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3472             disable fast_clz
3473         ;;
3474     esac
3475
3476 fi
3477
3478 if enabled asm; then
3479     as=${gas:=$as}
3480     check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3481         $nogas "GNU assembler not found, install gas-preprocessor"
3482 fi
3483
3484 check_ldflags -Wl,--as-needed
3485
3486 if check_func dlopen; then
3487     ldl=
3488 elif check_func dlopen -ldl; then
3489     ldl=-ldl
3490 fi
3491
3492 if enabled network; then
3493     check_type "sys/types.h sys/socket.h" socklen_t
3494     check_type netdb.h "struct addrinfo"
3495     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3496     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3497     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3498     check_type netinet/in.h "struct sockaddr_in6"
3499     check_type poll.h "struct pollfd"
3500     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3501     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3502     check_type netinet/sctp.h "struct sctp_event_subscribe"
3503     check_func getaddrinfo $network_extralibs
3504     # Prefer arpa/inet.h over winsock2
3505     if check_header arpa/inet.h ; then
3506         check_func closesocket
3507     elif check_header winsock2.h ; then
3508         check_func_headers winsock2.h closesocket -lws2 &&
3509             network_extralibs="-lws2" ||
3510         { check_func_headers winsock2.h closesocket -lws2_32 &&
3511             network_extralibs="-lws2_32"; }
3512         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3513         check_type ws2tcpip.h socklen_t
3514         check_type ws2tcpip.h "struct addrinfo"
3515         check_type ws2tcpip.h "struct group_source_req"
3516         check_type ws2tcpip.h "struct ip_mreq_source"
3517         check_type ws2tcpip.h "struct ipv6_mreq"
3518         check_type winsock2.h "struct pollfd"
3519         check_type ws2tcpip.h "struct sockaddr_in6"
3520         check_type ws2tcpip.h "struct sockaddr_storage"
3521         check_struct winsock2.h "struct sockaddr" sa_len
3522     else
3523         disable network
3524     fi
3525 fi
3526
3527 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3528 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3529
3530 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3531 check_func  fcntl
3532 check_func  fork
3533 check_func  gethrtime
3534 check_func  getopt
3535 check_func  getrusage
3536 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3537 check_func  gettimeofday
3538 check_func  inet_aton $network_extralibs
3539 check_func  isatty
3540 check_func  localtime_r
3541 check_func  ${malloc_prefix}memalign            && enable memalign
3542 check_func  mkstemp
3543 check_func  mmap
3544 check_func  mprotect
3545 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3546 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
3547 check_func  setrlimit
3548 check_func  strerror_r
3549 check_func  sched_getaffinity
3550 check_func  sysconf
3551 check_func  sysctl
3552 check_func  usleep
3553 check_func_headers conio.h kbhit
3554 check_func_headers windows.h PeekNamedPipe
3555 check_func_headers io.h setmode
3556 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3557 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3558 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
3559 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3560 check_func_headers windows.h GetProcessAffinityMask
3561 check_func_headers windows.h GetProcessTimes
3562 check_func_headers windows.h GetSystemTimeAsFileTime
3563 check_func_headers windows.h MapViewOfFile
3564 check_func_headers windows.h Sleep
3565 check_func_headers windows.h VirtualAlloc
3566 check_func_headers glob.h glob
3567
3568 check_header direct.h
3569 check_header dlfcn.h
3570 check_header dxva.h
3571 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3572 check_header io.h
3573 check_header libcrystalhd/libcrystalhd_if.h
3574 check_header malloc.h
3575 check_header poll.h
3576 check_header sys/mman.h
3577 check_header sys/param.h
3578 check_header sys/resource.h
3579 check_header sys/select.h
3580 check_header sys/time.h
3581 check_header termios.h
3582 check_header unistd.h
3583 check_header vdpau/vdpau.h
3584 check_header vdpau/vdpau_x11.h
3585 check_header windows.h
3586 check_header X11/extensions/XvMClib.h
3587 check_header asm/types.h
3588
3589 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3590 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3591
3592 # check for VDA header
3593 if ! disabled vda && ! enabled ppc; then
3594     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3595         enable vda
3596         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3597     fi
3598 fi
3599
3600 if ! disabled w32threads && ! enabled pthreads; then
3601     check_func _beginthreadex && enable w32threads
3602 fi
3603
3604 # check for some common methods of building with pthread support
3605 # do this before the optional library checks as some of them require pthreads
3606 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3607     enable pthreads
3608     if check_func pthread_create; then
3609         :
3610     elif check_func pthread_create -pthread; then
3611         add_cflags -pthread
3612         add_extralibs -pthread
3613     elif check_func pthread_create -pthreads; then
3614         add_cflags -pthreads
3615         add_extralibs -pthreads
3616     elif check_func pthread_create -lpthreadGC2; then
3617         add_extralibs -lpthreadGC2
3618     elif ! check_lib pthread.h pthread_create -lpthread; then
3619         disable pthreads
3620     fi
3621 fi
3622
3623 for thread in $THREADS_LIST; do
3624     if enabled $thread; then
3625         test -n "$thread_type" &&
3626             die "ERROR: Only one thread type must be selected." ||
3627             thread_type="$thread"
3628     fi
3629 done
3630
3631 if enabled pthreads; then
3632   check_func pthread_cancel
3633 fi
3634
3635 check_lib math.h sin -lm && LIBM="-lm"
3636 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3637 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3638
3639 check_mathfunc cbrtf
3640 check_mathfunc exp2
3641 check_mathfunc exp2f
3642 check_mathfunc isinf
3643 check_mathfunc isnan
3644 check_mathfunc llrint
3645 check_mathfunc llrintf
3646 check_mathfunc log2
3647 check_mathfunc log2f
3648 check_mathfunc lrint
3649 check_mathfunc lrintf
3650 check_mathfunc rint
3651 check_mathfunc round
3652 check_mathfunc roundf
3653 check_mathfunc trunc
3654 check_mathfunc truncf
3655
3656 # these are off by default, so fail if requested and not available
3657 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3658 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3659 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3660 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3661 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
3662 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3663 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3664 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3665 enabled libcdio    && require2 libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3666 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3667                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3668                         die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
3669 enabled libcaca    && require_pkg_config caca caca.h caca_create_canvas
3670 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3671 enabled libfdk_aac && require  libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3672 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"
3673 enabled libflite   && require2 libflite "flite/flite.h" flite_init $flite_libs
3674 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3675 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3676 enabled libilbc    && require  libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3677 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3678 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3679 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3680 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3681 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3682 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3683 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3684 enabled libopus    && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3685 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3686 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3687 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3688 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3689 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3690     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3691     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3692 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3693 enabled libtwolame && require  libtwolame twolame.h twolame_init -ltwolame &&
3694                       { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
3695                         die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
3696 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3697 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3698 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3699 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3700 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3701 enabled libvpx     && {
3702     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3703                                 die "ERROR: libvpx decoder must be installed and version must be >=0.9.1"; }
3704     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
3705                                 die "ERROR: libvpx encoder version must be >=0.9.7"; } }
3706 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3707                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3708                         die "ERROR: libx264 must be installed and version must be >= 0.118."; }
3709 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3710 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3711 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3712                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3713                         die "ERROR: openal not found"; } &&
3714                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3715                         die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
3716 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3717                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3718                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3719                         die "ERROR: openssl not found"; }
3720
3721 if enabled gnutls; then
3722     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3723     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3724 fi
3725
3726 # libdc1394 check
3727 if enabled libdc1394; then
3728     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3729         enable libdc1394_2; } ||
3730     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3731         enable libdc1394_1; } ||
3732     die "ERROR: No version of libdc1394 found "
3733 fi
3734
3735 SDL_CONFIG="${cross_prefix}sdl-config"
3736 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3737     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3738     enable sdl &&
3739     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3740 else
3741   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3742     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3743     sdl_libs=$("${SDL_CONFIG}" --libs)
3744     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3745     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3746     enable sdl &&
3747     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3748   fi
3749 fi
3750 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3751
3752 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
3753 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3754 perl --version > /dev/null 2>&1 && enable perl || disable perl
3755 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
3756
3757 check_header linux/fb.h
3758 check_header linux/videodev.h
3759 check_header linux/videodev2.h
3760 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3761
3762 check_header sys/videoio.h
3763
3764 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3765 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3766 # w32api 3.12 had it defined wrong
3767 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3768
3769 check_type "dshow.h" IBaseFilter
3770
3771 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3772 { check_header dev/bktr/ioctl_meteor.h &&
3773   check_header dev/bktr/ioctl_bt848.h; } ||
3774 { check_header machine/ioctl_meteor.h &&
3775   check_header machine/ioctl_bt848.h; } ||
3776 { check_header dev/video/meteor/ioctl_meteor.h &&
3777   check_header dev/video/bktr/ioctl_bt848.h; } ||
3778 check_header dev/ic/bt8xx.h
3779
3780 check_header sndio.h
3781 if check_struct sys/soundcard.h audio_buf_info bytes; then
3782     enable_safe sys/soundcard.h
3783 else
3784     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3785     #include <sys/soundcard.h>
3786     audio_buf_info abc;
3787 EOF
3788 fi
3789 check_header soundcard.h
3790
3791 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3792
3793 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
3794     check_func jack_port_get_latency_range -ljack
3795
3796 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3797
3798 enabled x11grab                                           &&
3799 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3800 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3801 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3802
3803 if ! disabled vaapi; then
3804     check_lib va/va.h vaInitialize -lva && {
3805         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3806         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3807     } || disable vaapi
3808 fi
3809
3810 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3811     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3812         { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." && disable vdpau; }
3813 fi
3814
3815 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3816 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3817 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"
3818
3819 # add some useful compiler flags if supported
3820 check_cflags -Wdeclaration-after-statement
3821 check_cflags -Wall
3822 check_cflags -Wno-parentheses
3823 check_cflags -Wno-switch
3824 check_cflags -Wno-format-zero-length
3825 check_cflags -Wdisabled-optimization
3826 check_cflags -Wpointer-arith
3827 check_cflags -Wredundant-decls
3828 check_cflags -Wno-pointer-sign
3829 check_cflags -Wwrite-strings
3830 check_cflags -Wtype-limits
3831 check_cflags -Wundef
3832 check_cflags -Wmissing-prototypes
3833 check_cflags -Wno-pointer-to-int-cast
3834 check_cflags -Wstrict-prototypes
3835 enabled extra_warnings && check_cflags -Winline
3836
3837 # add some linker flags
3838 check_ldflags -Wl,--warn-common
3839 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3840 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3841
3842 enabled xmm_clobber_test &&
3843     check_ldflags -Wl,--wrap,avcodec_open2              \
3844                   -Wl,--wrap,avcodec_decode_audio4      \
3845                   -Wl,--wrap,avcodec_decode_video2      \
3846                   -Wl,--wrap,avcodec_decode_subtitle2   \
3847                   -Wl,--wrap,avcodec_encode_audio2      \
3848                   -Wl,--wrap,avcodec_encode_video       \
3849                   -Wl,--wrap,avcodec_encode_subtitle    \
3850                   -Wl,--wrap,sws_scale ||
3851     disable xmm_clobber_test
3852
3853 echo "X{};" > $TMPV
3854 if test_ldflags -Wl,--version-script,$TMPV; then
3855     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3856     check_cc <<EOF && enable symver_asm_label
3857 void ff_foo(void) __asm__ ("av_foo@VERSION");
3858 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3859 EOF
3860     check_cc <<EOF && enable symver_gnu_asm
3861 __asm__(".symver ff_foo,av_foo@VERSION");
3862 void ff_foo(void) {}
3863 EOF
3864 fi
3865
3866 if [ -z "$optflags" ]; then
3867     if enabled small; then
3868         optflags=$cflags_size
3869     elif enabled optimizations; then
3870         optflags=$cflags_speed
3871     else
3872         optflags=$cflags_noopt
3873     fi
3874 fi
3875
3876 check_optflags(){
3877     check_cflags "$@"
3878     enabled lto && check_ldflags "$@"
3879 }
3880
3881
3882 if enabled lto; then
3883     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
3884     check_cflags  -flto
3885     check_ldflags -flto $cpuflags
3886 fi
3887
3888 check_optflags $optflags
3889 check_optflags -fno-math-errno
3890 check_optflags -fno-signed-zeros
3891
3892 enabled ftrapv && check_cflags -ftrapv
3893
3894 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3895 int x;
3896 EOF
3897
3898
3899 if enabled icc; then
3900     # Just warnings, no remarks
3901     check_cflags -w1
3902     # -wd: Disable following warnings
3903     # 144, 167, 556: -Wno-pointer-sign
3904     # 1292: attribute "foo" ignored
3905     # 1419: external declaration in primary source file
3906     # 10006: ignoring unknown option -fno-signed-zeros
3907     # 10148: ignoring unknown option -Wno-parentheses
3908     # 10156: ignoring option '-W'; no argument required
3909     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3910     # 11030: Warning unknown option --as-needed
3911     # 10156: ignoring option '-export'; no argument required
3912     check_ldflags -wd10156,11030
3913     # Allow to compile with optimizations
3914     check_ldflags -march=$cpu
3915     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3916     enable ebp_available
3917     if enabled x86_32; then
3918         icc_version=$($cc -dumpversion)
3919         test ${icc_version%%.*} -ge 11 &&
3920             check_cflags -falign-stack=maintain-16-byte ||
3921             disable aligned_stack
3922     fi
3923 elif enabled ccc; then
3924     # disable some annoying warnings
3925     add_cflags -msg_disable cvtu32to64
3926     add_cflags -msg_disable embedcomment
3927     add_cflags -msg_disable needconstext
3928     add_cflags -msg_disable nomainieee
3929     add_cflags -msg_disable ptrmismatch1
3930     add_cflags -msg_disable unreachcode
3931 elif enabled gcc; then
3932     check_optflags -fno-tree-vectorize
3933     check_cflags -Werror=implicit-function-declaration
3934     check_cflags -Werror=missing-prototypes
3935     check_cflags -Werror=vla
3936 elif enabled llvm_gcc; then
3937     check_cflags -mllvm -stack-alignment=16
3938 elif enabled clang; then
3939     check_cflags -mllvm -stack-alignment=16
3940     check_cflags -Qunused-arguments
3941 elif enabled armcc; then
3942     # 2523: use of inline assembler is deprecated
3943     add_cflags -W${armcc_opt},--diag_suppress=2523
3944     add_cflags -W${armcc_opt},--diag_suppress=1207
3945     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3946     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3947     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3948     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3949 elif enabled tms470; then
3950     add_cflags -pds=824 -pds=837
3951 elif enabled pathscale; then
3952     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3953 elif enabled msvc; then
3954     enabled x86_32 && disable aligned_stack
3955 fi
3956
3957 enabled_any $THREADS_LIST      && enable threads
3958
3959 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3960
3961 check_deps $CONFIG_LIST       \
3962            $CONFIG_EXTRA      \
3963            $HAVE_LIST         \
3964            $ALL_COMPONENTS    \
3965            $ALL_TESTS         \
3966
3967
3968 if test $target_os = "haiku"; then
3969     disable memalign
3970     disable posix_memalign
3971 fi
3972
3973 ! enabled_any memalign posix_memalign aligned_malloc &&
3974     enabled_any $need_memalign && enable memalign_hack
3975
3976 # add_dep lib dep
3977 # -> enable ${lib}_deps_${dep}
3978 # -> add $dep to ${lib}_deps only once
3979 add_dep() {
3980     lib=$1
3981     dep=$2
3982     enabled "${lib}_deps_${dep}" && return 0
3983     enable  "${lib}_deps_${dep}"
3984     prepend "${lib}_deps" $dep
3985 }
3986
3987 # merge deps lib components
3988 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3989 merge_deps() {
3990     lib=$1
3991     shift
3992     for comp in $*; do
3993         enabled $comp || continue
3994         eval "dep=\"\$${comp}_deps\""
3995         for d in $dep; do
3996             add_dep $lib $d
3997         done
3998     done
3999 }
4000
4001 merge_deps libavfilter $FILTER_LIST
4002
4003 echo "install prefix            $prefix"
4004 echo "source path               $source_path"
4005 echo "C compiler                $cc"
4006 echo "ARCH                      $arch ($cpu)"
4007 if test "$build_suffix" != ""; then
4008     echo "build suffix              $build_suffix"
4009 fi
4010 if test "$progs_suffix" != ""; then
4011     echo "progs suffix              $progs_suffix"
4012 fi
4013 if test "$extra_version" != ""; then
4014     echo "version string suffix     $extra_version"
4015 fi
4016 echo "big-endian                ${bigendian-no}"
4017 echo "runtime cpu detection     ${runtime_cpudetect-no}"
4018 if enabled x86; then
4019     echo "${yasmexe}                      ${yasm-no}"
4020     echo "MMX enabled               ${mmx-no}"
4021     echo "MMXEXT enabled            ${mmxext-no}"
4022     echo "3DNow! enabled            ${amd3dnow-no}"
4023     echo "3DNow! extended enabled   ${amd3dnowext-no}"
4024     echo "SSE enabled               ${sse-no}"
4025     echo "SSSE3 enabled             ${ssse3-no}"
4026     echo "AVX enabled               ${avx-no}"
4027     echo "FMA4 enabled              ${fma4-no}"
4028     echo "CMOV enabled              ${cmov-no}"
4029     echo "CMOV is fast              ${fast_cmov-no}"
4030     echo "EBX available             ${ebx_available-no}"
4031     echo "EBP available             ${ebp_available-no}"
4032 fi
4033 if enabled arm; then
4034     echo "ARMv5TE enabled           ${armv5te-no}"
4035     echo "ARMv6 enabled             ${armv6-no}"
4036     echo "ARMv6T2 enabled           ${armv6t2-no}"
4037     echo "ARM VFP enabled           ${armvfp-no}"
4038     echo "NEON enabled              ${neon-no}"
4039 fi
4040 if enabled mips; then
4041     echo "MIPS FPU enabled          ${mipsfpu-no}"
4042     echo "MIPS32R2 enabled          ${mips32r2-no}"
4043     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
4044     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
4045 fi
4046 if enabled ppc; then
4047     echo "AltiVec enabled           ${altivec-no}"
4048     echo "PPC 4xx optimizations     ${ppc4xx-no}"
4049     echo "dcbzl available           ${dcbzl-no}"
4050 fi
4051 if enabled sparc; then
4052     echo "VIS enabled               ${vis-no}"
4053 fi
4054 echo "debug symbols             ${debug-no}"
4055 echo "strip symbols             ${stripping-no}"
4056 echo "optimize for size         ${small-no}"
4057 echo "optimizations             ${optimizations-no}"
4058 echo "static                    ${static-no}"
4059 echo "shared                    ${shared-no}"
4060 echo "postprocessing support    ${postproc-no}"
4061 echo "new filter support        ${avfilter-no}"
4062 echo "network support           ${network-no}"
4063 echo "threading support         ${thread_type-no}"
4064 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
4065 echo "SDL support               ${sdl-no}"
4066 echo "libdxva2 enabled          ${dxva2-no}"
4067 echo "libva enabled             ${vaapi-no}"
4068 echo "libvdpau enabled          ${vdpau-no}"
4069 echo "AVISynth enabled          ${avisynth-no}"
4070 echo "frei0r enabled            ${frei0r-no}"
4071 echo "gnutls enabled            ${gnutls-no}"
4072 echo "libaacplus enabled        ${libaacplus-no}"
4073 echo "libass enabled            ${libass-no}"
4074 echo "libcaca enabled           ${libcaca-no}"
4075 echo "libcdio support           ${libcdio-no}"
4076 echo "libcelt enabled           ${libcelt-no}"
4077 echo "libdc1394 support         ${libdc1394-no}"
4078 echo "libfaac enabled           ${libfaac-no}"
4079 echo "libfdk-aac enabled        ${libfdk_aac-no}"
4080 echo "libgsm enabled            ${libgsm-no}"
4081 echo "libiec61883 support       ${libiec61883-no}"
4082 echo "libilbc enabled           ${libilbc-no}"
4083 echo "libmodplug enabled        ${libmodplug-no}"
4084 echo "libmp3lame enabled        ${libmp3lame-no}"
4085 echo "libnut enabled            ${libnut-no}"
4086 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
4087 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
4088 echo "libopencv support         ${libopencv-no}"
4089 echo "libopenjpeg enabled       ${libopenjpeg-no}"
4090 echo "libopus enabled           ${libopus-no}"
4091 echo "libpulse enabled          ${libpulse-no}"
4092 echo "librtmp enabled           ${librtmp-no}"
4093 echo "libschroedinger enabled   ${libschroedinger-no}"
4094 echo "libspeex enabled          ${libspeex-no}"
4095 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
4096 echo "libtheora enabled         ${libtheora-no}"
4097 echo "libtwolame enabled        ${libtwolame-no}"
4098 echo "libutvideo enabled        ${libutvideo-no}"
4099 echo "libv4l2 enabled           ${libv4l2-no}"
4100 echo "libvo-aacenc support      ${libvo_aacenc-no}"
4101 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
4102 echo "libvorbis enabled         ${libvorbis-no}"
4103 echo "libvpx enabled            ${libvpx-no}"
4104 echo "libx264 enabled           ${libx264-no}"
4105 echo "libxavs enabled           ${libxavs-no}"
4106 echo "libxvid enabled           ${libxvid-no}"
4107 echo "openal enabled            ${openal-no}"
4108 echo "openssl enabled           ${openssl-no}"
4109 echo "zlib enabled              ${zlib-no}"
4110 echo "bzlib enabled             ${bzlib-no}"
4111 echo "texi2html enabled         ${texi2html-no}"
4112 echo "perl enabled              ${perl-no}"
4113 echo "pod2man enabled           ${pod2man-no}"
4114 echo "makeinfo enabled          ${makeinfo-no}"
4115 test -n "$random_seed" &&
4116     echo "random seed               ${random_seed}"
4117 echo
4118
4119 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4120     echo "Enabled ${type}s:"
4121     eval list=\$$(toupper $type)_LIST
4122     print_enabled '_*' $list | sort | pr -r -3 -t
4123     echo
4124 done
4125
4126 license="LGPL version 2.1 or later"
4127 if enabled nonfree; then
4128     license="nonfree and unredistributable"
4129 elif enabled gplv3; then
4130     license="GPL version 3 or later"
4131 elif enabled lgplv3; then
4132     license="LGPL version 3 or later"
4133 elif enabled gpl; then
4134     license="GPL version 2 or later"
4135 fi
4136
4137 echo "License: $license"
4138
4139 echo "Creating config.mak and config.h..."
4140
4141 test -e Makefile || $ln_s "$source_path/Makefile" .
4142
4143 enabled stripping || strip="echo skipping strip"
4144
4145 config_files="$TMPH config.mak"
4146
4147 cat > config.mak <<EOF
4148 # Automatically generated by configure - do not modify!
4149 ifndef FFMPEG_CONFIG_MAK
4150 FFMPEG_CONFIG_MAK=1
4151 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4152 prefix=$prefix
4153 LIBDIR=\$(DESTDIR)$libdir
4154 SHLIBDIR=\$(DESTDIR)$shlibdir
4155 INCDIR=\$(DESTDIR)$incdir
4156 BINDIR=\$(DESTDIR)$bindir
4157 DATADIR=\$(DESTDIR)$datadir
4158 MANDIR=\$(DESTDIR)$mandir
4159 SRC_PATH=$source_path
4160 ifndef MAIN_MAKEFILE
4161 SRC_PATH:=\$(SRC_PATH:.%=..%)
4162 endif
4163 CC_IDENT=$cc_ident
4164 ARCH=$arch
4165 CC=$cc
4166 CXX=$cxx
4167 AS=$as
4168 LD=$ld
4169 DEPCC=$dep_cc
4170 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4171 DEPAS=$as
4172 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4173 YASM=$yasmexe
4174 DEPYASM=$yasmexe
4175 AR=$ar
4176 ARFLAGS=$arflags
4177 AR_O=$ar_o
4178 RANLIB=$ranlib
4179 CP=cp -p
4180 LN_S=$ln_s
4181 STRIP=$strip
4182 CPPFLAGS=$CPPFLAGS
4183 CFLAGS=$CFLAGS
4184 CXXFLAGS=$CXXFLAGS
4185 ASFLAGS=$ASFLAGS
4186 AS_C=$AS_C
4187 AS_O=$AS_O
4188 CC_C=$CC_C
4189 CC_O=$CC_O
4190 CXX_C=$CXX_C
4191 CXX_O=$CXX_O
4192 LD_O=$LD_O
4193 LD_LIB=$LD_LIB
4194 LD_PATH=$LD_PATH
4195 DLLTOOL=$dlltool
4196 LDFLAGS=$LDFLAGS
4197 LDFLAGS-ffserver=$FFSERVERLDFLAGS
4198 SHFLAGS=$SHFLAGS
4199 YASMFLAGS=$YASMFLAGS
4200 BUILDSUF=$build_suffix
4201 PROGSSUF=$progs_suffix
4202 FULLNAME=$FULLNAME
4203 LIBPREF=$LIBPREF
4204 LIBSUF=$LIBSUF
4205 LIBNAME=$LIBNAME
4206 SLIBPREF=$SLIBPREF
4207 SLIBSUF=$SLIBSUF
4208 EXESUF=$EXESUF
4209 EXTRA_VERSION=$extra_version
4210 CCDEP=$CCDEP
4211 CXXDEP=$CXXDEP
4212 CCDEP_FLAGS=$CCDEP_FLAGS
4213 ASDEP=$ASDEP
4214 ASDEP_FLAGS=$ASDEP_FLAGS
4215 CC_DEPFLAGS=$CC_DEPFLAGS
4216 AS_DEPFLAGS=$AS_DEPFLAGS
4217 HOSTCC=$host_cc
4218 HOSTLD=$host_ld
4219 HOSTCFLAGS=$host_cflags
4220 HOSTEXESUF=$HOSTEXESUF
4221 HOSTLDFLAGS=$host_ldflags
4222 HOSTLIBS=$host_libs
4223 DEPHOSTCC=$host_cc
4224 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4225 HOSTCCDEP=$HOSTCCDEP
4226 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4227 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4228 HOSTCC_C=$HOSTCC_C
4229 HOSTCC_O=$HOSTCC_O
4230 HOSTLD_O=$HOSTLD_O
4231 TARGET_EXEC=$target_exec
4232 TARGET_PATH=$target_path
4233 LIBS-ffplay=$sdl_libs
4234 CFLAGS-ffplay=$sdl_cflags
4235 ZLIB=$($ldflags_filter -lz)
4236 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4237 EXTRALIBS=$extralibs
4238 INSTALL=$install
4239 LIBTARGET=${LIBTARGET}
4240 SLIBNAME=${SLIBNAME}
4241 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4242 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4243 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4244 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4245 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4246 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4247 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4248 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4249 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4250 NOREDZONE_FLAGS=$noredzone_flags
4251 EOF
4252
4253 get_version(){
4254     lcname=$1
4255     name=$(toupper $lcname)
4256     file=$source_path/$lcname/version.h
4257     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4258     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4259     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4260     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4261 }
4262
4263 get_version_old(){
4264     name=$1
4265     file=$source_path/$2
4266 # This condition will be removed when we stop supporting old libpostproc versions
4267 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
4268     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4269     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4270 fi
4271     lcname=$(tolower $name)
4272     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4273     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4274 }
4275
4276 get_version_old LIBPOSTPROC libpostproc/version.h
4277
4278 get_version libavcodec
4279 get_version libavdevice
4280 get_version libavfilter
4281 get_version libavformat
4282 get_version libavresample
4283 get_version libavutil
4284 get_version libswresample
4285 get_version libswscale
4286
4287 cat > $TMPH <<EOF
4288 /* Automatically generated by configure - do not modify! */
4289 #ifndef FFMPEG_CONFIG_H
4290 #define FFMPEG_CONFIG_H
4291 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4292 #define FFMPEG_LICENSE "$(c_escape $license)"
4293 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4294 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4295 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4296 #define av_restrict $_restrict
4297 #define EXTERN_PREFIX "${extern_prefix}"
4298 #define EXTERN_ASM ${extern_prefix}
4299 #define SLIBSUF "$SLIBSUF"
4300 #define HAVE_MMX2 HAVE_MMXEXT
4301 EOF
4302
4303 test -n "$assert_level" &&
4304     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4305
4306 test -n "$malloc_prefix" &&
4307     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4308
4309 if enabled yasm; then
4310     append config_files $TMPASM
4311     printf '' >$TMPASM
4312 fi
4313
4314 print_config ARCH_   "$config_files" $ARCH_LIST
4315 print_config HAVE_   "$config_files" $HAVE_LIST
4316 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
4317                                      $CONFIG_EXTRA      \
4318                                      $ALL_COMPONENTS    \
4319
4320 cat >>config.mak <<EOF
4321 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
4322 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
4323 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
4324 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
4325 EOF
4326
4327 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4328 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4329
4330 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4331 cp_if_changed $TMPH config.h
4332 touch .config
4333
4334 enabled yasm && cp_if_changed $TMPASM config.asm
4335
4336 cat > $TMPH <<EOF
4337 /* Generated by ffconf */
4338 #ifndef AVUTIL_AVCONFIG_H
4339 #define AVUTIL_AVCONFIG_H
4340 EOF
4341
4342 test "$postproc_version" != current && cat >> $TMPH <<EOF
4343 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
4344 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
4345 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
4346 EOF
4347
4348 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4349
4350 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4351
4352 cp_if_changed $TMPH libavutil/avconfig.h
4353
4354 test -n "$WARNINGS" && printf "\n$WARNINGS"
4355
4356 # build pkg-config files
4357
4358 pkgconfig_generate(){
4359     name=$1
4360     shortname=${name#lib}${build_suffix}
4361     comment=$2
4362     version=$3
4363     libs=$4
4364     requires=$5
4365     enabled ${name#lib} || return 0
4366     mkdir -p $name
4367     cat <<EOF > $name/$name.pc
4368 prefix=$prefix
4369 exec_prefix=\${prefix}
4370 libdir=$libdir
4371 includedir=$incdir
4372
4373 Name: $name
4374 Description: $comment
4375 Version: $version
4376 Requires: $(enabled shared || echo $requires)
4377 Requires.private: $(enabled shared && echo $requires)
4378 Conflicts:
4379 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4380 Libs.private: $(enabled shared && echo $libs)
4381 Cflags: -I\${includedir}
4382 EOF
4383
4384 mkdir -p doc/examples/pc-uninstalled
4385 includedir=${source_path}
4386 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4387     cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4388 prefix=
4389 exec_prefix=
4390 libdir=\${pcfiledir}/../../../$name
4391 includedir=${includedir}
4392
4393 Name: $name
4394 Description: $comment
4395 Version: $version
4396 Requires: $requires
4397 Conflicts:
4398 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4399 Cflags: -I\${includedir}
4400 EOF
4401 }
4402
4403 libavfilter_pc_deps=""
4404 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
4405 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
4406 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
4407 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
4408 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
4409 libavfilter_pc_deps=${libavfilter_pc_deps%, }
4410
4411 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
4412 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
4413
4414 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4415 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
4416 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
4417 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
4418 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
4419 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
4420 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
4421 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4422 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4423
4424 fix_ffmpeg_remote(){
4425     git_remote_from=$1
4426     git_remote_to=$2
4427     fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
4428     if [ "$fixme_remote" != "" ]; then
4429         echolog "
4430 Outdated domain in git config, the official domain for ffmpeg git is since
4431 November 2011, source.ffmpeg.org, both the old and the new point to the same
4432 repository and server. To update it enter the following commands:
4433 "
4434         for remote in $fixme_remote; do
4435             echolog "git remote set-url $remote $git_remote_to"
4436         done
4437     fi
4438 }
4439
4440 if test -f "$source_path/.git/config"; then
4441     remote_from=git.videolan.org
4442     remote_to=source.ffmpeg.org
4443     fix_ffmpeg_remote git@$remote_from:ffmpeg   git@$remote_to:ffmpeg
4444     fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg
4445 fi