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

   1 #!/bin/sh
   2 #
   3 # FFmpeg configure script
   4 #
   5 # Copyright (c) 2000-2002 Fabrice Bellard
   6 # Copyright (c) 2005-2008 Diego Biurrun
   7 # Copyright (c) 2005-2008 Mans Rullgard
   8 #
   9
  10 # Prevent locale nonsense from breaking basic text processing.
  11 LC_ALL=C
  12 export LC_ALL
  13
  14 # make sure we are running under a compatible shell
  15 # try to make this part work with most shells
  16
  17 try_exec(){
  18     echo "Trying shell $1"
  19     type "$1" > /dev/null 2>&1 && exec "$@"
  20 }
  21
  22 unset foo
  23 (: ${foo%%bar}) 2> /dev/null
  24 E1="$?"
  25
  26 (: ${foo?}) 2> /dev/null
  27 E2="$?"
  28
  29 if test "$E1" != 0 || test "$E2" = 0; then
  30     echo "Broken shell detected.  Trying alternatives."
  31     export FF_CONF_EXEC
  32     if test "0$FF_CONF_EXEC" -lt 1; then
  33         FF_CONF_EXEC=1
  34         try_exec bash "$0" "$@"
  35     fi
  36     if test "0$FF_CONF_EXEC" -lt 2; then
  37         FF_CONF_EXEC=2
  38         try_exec ksh "$0" "$@"
  39     fi
  40     if test "0$FF_CONF_EXEC" -lt 3; then
  41         FF_CONF_EXEC=3
  42         try_exec /usr/xpg4/bin/sh "$0" "$@"
  43     fi
  44     echo "No compatible shell script interpreter found."
  45     echo "This configure script requires a POSIX-compatible shell"
  46     echo "such as bash or ksh."
  47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  48     echo "Instead, install a working POSIX-compatible shell."
  49     echo "Disabling this configure test will create a broken FFmpeg."
  50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  51         echo "This bash version ($BASH_VERSION) is broken on your platform."
  52         echo "Upgrade to a later version if available."
  53     fi
  54     exit 1
  55 fi
  56
  57 show_help(){
  58 cat <<EOF
  59 Usage: configure [options]
  60 Options: [defaults in brackets after descriptions]
  61
  62 Help options:
  63   --help                   print this message
  64   --list-decoders          show all available decoders
  65   --list-encoders          show all available encoders
  66   --list-hwaccels          show all available hardware accelerators
  67   --list-demuxers          show all available demuxers
  68   --list-muxers            show all available muxers
  69   --list-parsers           show all available parsers
  70   --list-protocols         show all available protocols
  71   --list-bsfs              show all available bitstream filters
  72   --list-indevs            show all available input devices
  73   --list-outdevs           show all available output devices
  74   --list-filters           show all available filters
  75
  76 Standard options:
  77   --logfile=FILE           log tests and output to FILE [config.log]
  78   --disable-logging        do not log configure debug information
  79   --prefix=PREFIX          install in PREFIX [$prefix]
  80   --bindir=DIR             install binaries in DIR [PREFIX/bin]
  81   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
  82   --libdir=DIR             install libs in DIR [PREFIX/lib]
  83   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
  84   --incdir=DIR             install includes in DIR [PREFIX/include]
  85   --mandir=DIR             install man page in DIR [PREFIX/share/man]
  86
  87 Licensing options:
  88   --enable-gpl             allow use of GPL code, the resulting libs
  89                            and binaries will be under GPL [no]
  90   --enable-version3        upgrade (L)GPL to version 3 [no]
  91   --enable-nonfree         allow use of nonfree code, the resulting libs
  92                            and binaries will be unredistributable [no]
  93
  94 Configuration options:
  95   --disable-static         do not build static libraries [no]
  96   --enable-shared          build shared libraries [no]
  97   --enable-small           optimize for size instead of speed
  98   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
  99   --enable-gray            enable full grayscale support (slower color)
 100   --disable-swscale-alpha  disable alpha channel support in swscale
 101
 102 Component options:
 103   --disable-doc            do not build documentation
 104   --disable-ffmpeg         disable ffmpeg build
 105   --disable-ffplay         disable ffplay build
 106   --disable-ffprobe        disable ffprobe build
 107   --disable-ffserver       disable ffserver build
 108   --disable-avdevice       disable libavdevice build
 109   --disable-avcodec        disable libavcodec build
 110   --disable-avformat       disable libavformat build
 111   --disable-swresample     disable libswresample build
 112   --disable-swscale        disable libswscale build
 113   --disable-postproc       disable libpostproc build
 114   --disable-avfilter       disable libavfilter build
 115   --enable-avresample      enable libavresample build [no]
 116   --disable-pthreads       disable pthreads [auto]
 117   --disable-w32threads     disable Win32 threads [auto]
 118   --disable-os2threads     disable OS/2 threads [auto]
 119   --enable-x11grab         enable X11 grabbing [no]
 120   --disable-network        disable network support [no]
 121   --disable-dct            disable DCT code
 122   --disable-mdct           disable MDCT code
 123   --disable-rdft           disable RDFT code
 124   --disable-fft            disable FFT code
 125   --enable-dxva2           enable DXVA2 code
 126   --enable-vaapi           enable VAAPI code [autodetect]
 127   --enable-vda             enable VDA code   [autodetect]
 128   --enable-vdpau           enable VDPAU code [autodetect]
 129
 130 Individual component options:
 131   --disable-everything     disable all components listed below
 132   --disable-encoder=NAME   disable encoder NAME
 133   --enable-encoder=NAME    enable encoder NAME
 134   --disable-encoders       disable all encoders
 135   --disable-decoder=NAME   disable decoder NAME
 136   --enable-decoder=NAME    enable decoder NAME
 137   --disable-decoders       disable all decoders
 138   --disable-hwaccel=NAME   disable hwaccel NAME
 139   --enable-hwaccel=NAME    enable hwaccel NAME
 140   --disable-hwaccels       disable all hwaccels
 141   --disable-muxer=NAME     disable muxer NAME
 142   --enable-muxer=NAME      enable muxer NAME
 143   --disable-muxers         disable all muxers
 144   --disable-demuxer=NAME   disable demuxer NAME
 145   --enable-demuxer=NAME    enable demuxer NAME
 146   --disable-demuxers       disable all demuxers
 147   --enable-parser=NAME     enable parser NAME
 148   --disable-parser=NAME    disable parser NAME
 149   --disable-parsers        disable all parsers
 150   --enable-bsf=NAME        enable bitstream filter NAME
 151   --disable-bsf=NAME       disable bitstream filter NAME
 152   --disable-bsfs           disable all bitstream filters
 153   --enable-protocol=NAME   enable protocol NAME
 154   --disable-protocol=NAME  disable protocol NAME
 155   --disable-protocols      disable all protocols
 156   --enable-indev=NAME      enable input device NAME
 157   --disable-indev=NAME     disable input device NAME
 158   --disable-indevs         disable input devices
 159   --enable-outdev=NAME     enable output device NAME
 160   --disable-outdev=NAME    disable output device NAME
 161   --disable-outdevs        disable output devices
 162   --disable-devices        disable all devices
 163   --enable-filter=NAME     enable filter NAME
 164   --disable-filter=NAME    disable filter NAME
 165   --disable-filters        disable all filters
 166
 167 External library support:
 168   --enable-avisynth        enable reading of AVISynth script files [no]
 169   --enable-bzlib           enable bzlib [autodetect]
 170   --enable-fontconfig      enable fontconfig
 171   --enable-frei0r          enable frei0r video filtering
 172   --enable-gnutls          enable gnutls [no]
 173   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
 174   --enable-libass          enable libass subtitles rendering [no]
 175   --enable-libbluray       enable BluRay reading using libbluray [no]
 176   --enable-libcelt         enable CELT decoding via libcelt [no]
 177   --enable-libcdio         enable audio CD grabbing with libcdio
 178   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 179                            and libraw1394 [no]
 180   --enable-libfaac         enable AAC encoding via libfaac [no]
 181   --enable-libfdk-aac      enable AAC encoding via libfdk-aac [no]
 182   --enable-libfreetype     enable libfreetype [no]
 183   --enable-libgsm          enable GSM de/encoding via libgsm [no]
 184   --enable-libiec61883     enable iec61883 via libiec61883 [no]
 185   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
 186   --enable-libmodplug      enable ModPlug via libmodplug [no]
 187   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
 188   --enable-libnut          enable NUT (de)muxing via libnut,
 189                            native (de)muxer exists [no]
 190   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 191   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 192   --enable-libopencv       enable video filtering via libopencv [no]
 193   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
 194   --enable-libopus         enable Opus decoding via libopus [no]
 195   --enable-libpulse        enable Pulseaudio input via libpulse [no]
 196   --enable-librtmp         enable RTMP[E] support via librtmp [no]
 197   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
 198   --enable-libspeex        enable Speex de/encoding via libspeex [no]
 199   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
 200   --enable-libtheora       enable Theora encoding via libtheora [no]
 201   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
 202   --enable-libv4l2         enable libv4l2/v4l-utils [no]
 203   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
 204   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
 205   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
 206                            native implementation exists [no]
 207   --enable-libvpx          enable VP8 de/encoding via libvpx [no]
 208   --enable-libx264         enable H.264 encoding via x264 [no]
 209   --enable-libxavs         enable AVS encoding via xavs [no]
 210   --enable-libxvid         enable Xvid encoding via xvidcore,
 211                            native MPEG-4/Xvid encoder exists [no]
 212   --enable-openal          enable OpenAL 1.1 capture support [no]
 213   --enable-openssl         enable openssl [no]
 214   --enable-zlib            enable zlib [autodetect]
 215
 216 Advanced options (experts only):
 217   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
 218   --enable-cross-compile   assume a cross-compiler is used
 219   --sysroot=PATH           root of cross-build tree
 220   --sysinclude=PATH        location of cross-build system headers
 221   --target-os=OS           compiler targets OS [$target_os]
 222   --target-exec=CMD        command to run executables on target
 223   --target-path=DIR        path to view of build directory on target
 224   --nm=NM                  use nm tool NM [$nm_default]
 225   --ar=AR                  use archive tool AR [$ar_default]
 226   --as=AS                  use assembler AS [$as_default]
 227   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
 228   --cc=CC                  use C compiler CC [$cc_default]
 229   --cxx=CXX                use C compiler CXX [$cxx_default]
 230   --ld=LD                  use linker LD [$ld_default]
 231   --host-cc=HOSTCC         use host C compiler HOSTCC
 232   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 233   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 234   --host-libs=HLIBS        use libs HLIBS when linking for host
 235   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 236   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
 237   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
 238   --extra-libs=ELIBS       add ELIBS [$ELIBS]
 239   --extra-version=STRING   version string suffix []
 240   --optflags               override optimization-related compiler flags
 241   --build-suffix=SUFFIX    library name suffix []
 242   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
 243   --progs-suffix=SUFFIX    program name suffix []
 244   --arch=ARCH              select architecture [$arch]
 245   --cpu=CPU                select the minimum required CPU (affects
 246                            instruction selection, may crash on older CPUs)
 247   --enable-pic             build position-independent code
 248   --enable-sram            allow use of on-chip SRAM
 249   --disable-symver         disable symbol versioning
 250   --disable-fastdiv        disable table-based division
 251   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 252   --disable-safe-bitstream-reader
 253                            disable buffer boundary checking in bitreaders
 254                            (faster, but may crash)
 255   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 256
 257 Optimization options (experts only):
 258   --disable-asm            disable all assembler optimizations
 259   --disable-altivec        disable AltiVec optimizations
 260   --disable-amd3dnow       disable 3DNow! optimizations
 261   --disable-amd3dnowext    disable 3DNow! extended optimizations
 262   --disable-mmx            disable MMX optimizations
 263   --disable-mmx2           disable MMX2 optimizations
 264   --disable-sse            disable SSE optimizations
 265   --disable-ssse3          disable SSSE3 optimizations
 266   --disable-avx            disable AVX optimizations
 267   --disable-armv5te        disable armv5te optimizations
 268   --disable-armv6          disable armv6 optimizations
 269   --disable-armv6t2        disable armv6t2 optimizations
 270   --disable-armvfp         disable ARM VFP optimizations
 271   --disable-mmi            disable MMI optimizations
 272   --disable-neon           disable NEON optimizations
 273   --disable-vis            disable VIS optimizations
 274   --disable-yasm           disable use of yasm assembler
 275   --disable-mips32r2       disable MIPS32R2 optimizations
 276   --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations
 277   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
 278   --disable-mipsfpu        disable floating point MIPS optimizations
 279   --disable-fast-unaligned consider unaligned accesses slow
 280   --postproc-version=V     build libpostproc version V.
 281                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
 282
 283 Developer options (useful when working on FFmpeg itself):
 284   --enable-coverage        build with test coverage instrumentation
 285   --disable-debug          disable debugging symbols
 286   --enable-debug=LEVEL     set the debug level [$debuglevel]
 287   --disable-optimizations  disable compiler optimizations
 288   --enable-extra-warnings  enable more compiler warnings
 289   --disable-stripping      disable stripping of executables and shared libraries
 290   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
 291                            2 causes a slowdown at runtime.
 292   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
 293   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
 294                            leaks and errors, using the specified valgrind binary.
 295                            Cannot be combined with --target-exec
 296   --samples=PATH           location of test samples for FATE, if not set use
 297                            \$FATE_SAMPLES at make invocation time.
 298   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
 299                            should be used only for debugging purposes)
 300   --enable-random          randomly enable/disable components
 301   --disable-random
 302   --enable-random=LIST     randomly enable/disable specific components or
 303   --disable-random=LIST    component groups. LIST is a comma-separated list
 304                            of NAME[:PROB] entries where NAME is a component
 305                            (group) and PROB the probability associated with
 306                            NAME (default 0.5).
 307   --random-seed=VALUE      seed value for --enable/disable-random
 308
 309 NOTE: Object files are built at the place where configure is launched.
 310 EOF
 311   exit 0
 312 }
 313
 314 quotes='""'
 315
 316 log(){
 317     echo "$@" >> $logfile
 318 }
 319
 320 log_file(){
 321     log BEGIN $1
 322     pr -n -t $1 >> $logfile
 323     log END $1
 324 }
 325
 326 echolog(){
 327     log "$@"
 328     echo "$@"
 329 }
 330
 331 warn(){
 332     log "WARNING: $*"
 333     WARNINGS="${WARNINGS}WARNING: $*\n"
 334 }
 335
 336 die(){
 337     echolog "$@"
 338     cat <<EOF
 339
 340 If you think configure made a mistake, make sure you are using the latest
 341 version from Git.  If the latest version fails, report the problem to the
 342 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 343 EOF
 344     if disabled logging; then
 345         cat <<EOF
 346 Rerun configure with logging enabled (do not use --disable-logging), and
 347 include the log this produces with your report.
 348 EOF
 349     else
 350 cat <<EOF
 351 Include the log file "$logfile" produced by configure as this will help
 352 solving the problem.
 353 EOF
 354     fi
 355     exit 1
 356 }
 357
 358 # Avoid locale weirdness, besides we really just want to translate ASCII.
 359 toupper(){
 360     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 361 }
 362
 363 tolower(){
 364     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 365 }
 366
 367 c_escape(){
 368     echo "$*" | sed 's/["\\]/\\\0/g'
 369 }
 370
 371 sh_quote(){
 372     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 373     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 374     echo "$v"
 375 }
 376
 377 cleanws(){
 378     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 379 }
 380
 381 filter(){
 382     pat=$1
 383     shift
 384     for v; do
 385         eval "case $v in $pat) echo $v ;; esac"
 386     done
 387 }
 388
 389 filter_out(){
 390     pat=$1
 391     shift
 392     for v; do
 393         eval "case $v in $pat) ;; *) echo $v ;; esac"
 394     done
 395 }
 396
 397 map(){
 398     m=$1
 399     shift
 400     for v; do eval $m; done
 401 }
 402
 403 set_all(){
 404     value=$1
 405     shift
 406     for var in $*; do
 407         eval $var=$value
 408     done
 409 }
 410
 411 set_weak(){
 412     value=$1
 413     shift
 414     for var; do
 415         eval : \${$var:=$value}
 416     done
 417 }
 418
 419 set_safe(){
 420     var=$1
 421     shift
 422     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 423 }
 424
 425 get_safe(){
 426     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 427 }
 428
 429 pushvar(){
 430     for var in $*; do
 431         eval level=\${${var}_level:=0}
 432         eval ${var}_${level}="\$$var"
 433         eval ${var}_level=$(($level+1))
 434     done
 435 }
 436
 437 popvar(){
 438     for var in $*; do
 439         eval level=\${${var}_level:-0}
 440         test $level = 0 && continue
 441         eval level=$(($level-1))
 442         eval $var="\${${var}_${level}}"
 443         eval ${var}_level=$level
 444         eval unset ${var}_${level}
 445     done
 446 }
 447
 448 enable(){
 449     set_all yes $*
 450 }
 451
 452 disable(){
 453     set_all no $*
 454 }
 455
 456 enable_weak(){
 457     set_weak yes $*
 458 }
 459
 460 disable_weak(){
 461     set_weak no $*
 462 }
 463
 464 enable_safe(){
 465     for var; do
 466         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 467     done
 468 }
 469
 470 disable_safe(){
 471     for var; do
 472         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 473     done
 474 }
 475
 476 do_enable_deep(){
 477     for var; do
 478         enabled $var && continue
 479         eval sel="\$${var}_select"
 480         eval sgs="\$${var}_suggest"
 481         pushvar var sgs
 482         enable_deep $sel
 483         popvar sgs
 484         enable_deep_weak $sgs
 485         popvar var
 486     done
 487 }
 488
 489 enable_deep(){
 490     do_enable_deep $*
 491     enable $*
 492 }
 493
 494 enable_deep_weak(){
 495     do_enable_deep $*
 496     enable_weak $*
 497 }
 498
 499 enabled(){
 500     test "${1#!}" = "$1" && op== || op=!=
 501     eval test "x\$${1#!}" $op "xyes"
 502 }
 503
 504 disabled(){
 505     test "${1#!}" = "$1" && op== || op=!=
 506     eval test "x\$${1#!}" $op "xno"
 507 }
 508
 509 enabled_all(){
 510     for opt; do
 511         enabled $opt || return 1
 512     done
 513 }
 514
 515 disabled_all(){
 516     for opt; do
 517         disabled $opt || return 1
 518     done
 519 }
 520
 521 enabled_any(){
 522     for opt; do
 523         enabled $opt && return 0
 524     done
 525 }
 526
 527 disabled_any(){
 528     for opt; do
 529         disabled $opt && return 0
 530     done
 531     return 1
 532 }
 533
 534 set_default(){
 535     for opt; do
 536         eval : \${$opt:=\$${opt}_default}
 537     done
 538 }
 539
 540 is_in(){
 541     value=$1
 542     shift
 543     for var in $*; do
 544         [ $var = $value ] && return 0
 545     done
 546     return 1
 547 }
 548
 549 check_deps(){
 550     for cfg; do
 551         cfg="${cfg#!}"
 552         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 553         disabled ${cfg}_checking && continue
 554         enable ${cfg}_checking
 555
 556         eval dep_all="\$${cfg}_deps"
 557         eval dep_any="\$${cfg}_deps_any"
 558         eval dep_sel="\$${cfg}_select"
 559         eval dep_sgs="\$${cfg}_suggest"
 560         eval dep_ifa="\$${cfg}_if"
 561         eval dep_ifn="\$${cfg}_if_any"
 562
 563         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 564         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 565         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 566
 567         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 568         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 569         enabled_all  $dep_all || disable $cfg
 570         enabled_any  $dep_any || disable $cfg
 571         disabled_any $dep_sel && disable $cfg
 572
 573         if enabled $cfg; then
 574             eval dep_extralibs="\$${cfg}_extralibs"
 575             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 576             enable_deep $dep_sel
 577             enable_deep_weak $dep_sgs
 578         fi
 579
 580         disable ${cfg}_checking
 581     done
 582 }
 583
 584 print_config_h(){
 585     enabled $1 && v=1 || v=0
 586     echo "#define $2 $v"
 587 }
 588
 589 print_config_mak(){
 590     enabled $1 && v= || v=!
 591     echo "$v$2=yes"
 592 }
 593
 594 print_config_asm(){
 595     enabled $1 && v=1 || v=0
 596     echo "%define $2 $v"
 597 }
 598
 599 print_config(){
 600     pfx=$1
 601     files=$2
 602     shift 2
 603     for cfg; do
 604         ucname="$(toupper $cfg)"
 605         for f in $files; do
 606             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 607         done
 608     done
 609 }
 610
 611 print_enabled(){
 612     test "$1" = -n && end=" " && shift || end="\n"
 613     suf=$1
 614     shift
 615     for v; do
 616         enabled $v && printf "%s$end" ${v%$suf};
 617     done
 618 }
 619
 620 append(){
 621     var=$1
 622     shift
 623     eval "$var=\"\$$var $*\""
 624 }
 625
 626 prepend(){
 627     var=$1
 628     shift
 629     eval "$var=\"$* \$$var\""
 630 }
 631
 632 add_cppflags(){
 633     append CPPFLAGS $($filter_cppflags "$@")
 634 }
 635
 636 add_cflags(){
 637     append CFLAGS $($filter_cflags "$@")
 638 }
 639
 640 add_cxxflags(){
 641     append CXXFLAGS $($filter_cflags "$@")
 642 }
 643
 644 add_asflags(){
 645     append ASFLAGS $($filter_asflags "$@")
 646 }
 647
 648 add_ldflags(){
 649     append LDFLAGS "$@"
 650 }
 651
 652 add_extralibs(){
 653     prepend extralibs "$@"
 654 }
 655
 656 check_cmd(){
 657     log "$@"
 658     "$@" >> $logfile 2>&1
 659 }
 660
 661 check_cc(){
 662     log check_cc "$@"
 663     cat > $TMPC
 664     log_file $TMPC
 665     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 666 }
 667
 668 check_cxx(){
 669     log check_cxx "$@"
 670     cat > $TMPCPP
 671     log_file $TMPCPP
 672     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
 673 }
 674
 675 check_cpp(){
 676     log check_cpp "$@"
 677     cat > $TMPC
 678     log_file $TMPC
 679     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 680 }
 681
 682 check_as(){
 683     log check_as "$@"
 684     cat > $TMPC
 685     log_file $TMPC
 686     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 687 }
 688
 689 check_asm(){
 690     log check_asm "$@"
 691     name="$1"
 692     code="$2"
 693     shift 2
 694     disable $name
 695     check_as "$@" <<EOF && enable $name
 696 void foo(void){ __asm__ volatile($code); }
 697 EOF
 698 }
 699
 700 check_yasm(){
 701     log check_yasm "$@"
 702     echo "$1" > $TMPS
 703     log_file $TMPS
 704     shift 1
 705     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 706 }
 707
 708 check_ld(){
 709     log check_ld "$@"
 710     type=$1
 711     shift 1
 712     flags=''
 713     libs=''
 714     for f; do
 715         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 716     done
 717     check_$type $($filter_cflags $flags) || return
 718     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
 719 }
 720
 721 check_code(){
 722     log check_code "$@"
 723     check=$1
 724     headers=$2
 725     code=$3
 726     shift 3
 727     {
 728         for hdr in $headers; do
 729             echo "#include <$hdr>"
 730         done
 731         echo "int main(void) { $code; return 0; }"
 732     } | check_$check "$@"
 733 }
 734
 735 check_cppflags(){
 736     log check_cppflags "$@"
 737     set -- $($filter_cppflags "$@")
 738     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 739 int x;
 740 EOF
 741 }
 742
 743 check_cflags(){
 744     log check_cflags "$@"
 745     set -- $($filter_cflags "$@")
 746     check_cc "$@" <<EOF && append CFLAGS "$@"
 747 int x;
 748 EOF
 749 }
 750
 751 check_cxxflags(){
 752     log check_cxxflags "$@"
 753     set -- $($filter_cflags "$@")
 754     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 755 int x;
 756 EOF
 757 }
 758
 759 test_ldflags(){
 760     log test_ldflags "$@"
 761     check_ld "cc" "$@" <<EOF
 762 int main(void){ return 0; }
 763 EOF
 764 }
 765
 766 check_ldflags(){
 767     log check_ldflags "$@"
 768     test_ldflags "$@" && add_ldflags "$@"
 769 }
 770
 771 check_header(){
 772     log check_header "$@"
 773     header=$1
 774     shift
 775     disable_safe $header
 776     check_cpp "$@" <<EOF && enable_safe $header
 777 #include <$header>
 778 int x;
 779 EOF
 780 }
 781
 782 check_func(){
 783     log check_func "$@"
 784     func=$1
 785     shift
 786     disable $func
 787     check_ld "cc" "$@" <<EOF && enable $func
 788 extern int $func();
 789 int main(void){ $func(); }
 790 EOF
 791 }
 792
 793 check_mathfunc(){
 794     log check_mathfunc "$@"
 795     func=$1
 796     shift
 797     disable $func
 798     check_ld "cc" "$@" <<EOF && enable $func
 799 #include <math.h>
 800 float foo(float f) { return $func(f); }
 801 int main(void){ return (int) foo; }
 802 EOF
 803 }
 804
 805 check_func_headers(){
 806     log check_func_headers "$@"
 807     headers=$1
 808     funcs=$2
 809     shift 2
 810     {
 811         for hdr in $headers; do
 812             echo "#include <$hdr>"
 813         done
 814         for func in $funcs; do
 815             echo "long check_$func(void) { return (long) $func; }"
 816         done
 817         echo "int main(void) { return 0; }"
 818     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 819 }
 820
 821 check_class_headers_cpp(){
 822     log check_class_headers_cpp "$@"
 823     headers=$1
 824     classes=$2
 825     shift 2
 826     {
 827         for hdr in $headers; do
 828             echo "#include <$hdr>"
 829         done
 830         echo "int main(void) { "
 831         i=1
 832         for class in $classes; do
 833             echo "$class obj$i;"
 834             i=$(expr $i + 1)
 835         done
 836         echo "return 0; }"
 837     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 838 }
 839
 840 check_cpp_condition(){
 841     log check_cpp_condition "$@"
 842     header=$1
 843     condition=$2
 844     shift 2
 845     check_cpp $($filter_cppflags "$@") <<EOF
 846 #include <$header>
 847 #if !($condition)
 848 #error "unsatisfied condition: $condition"
 849 #endif
 850 EOF
 851 }
 852
 853 check_lib(){
 854     log check_lib "$@"
 855     header="$1"
 856     func="$2"
 857     shift 2
 858     check_header $header && check_func $func "$@" && add_extralibs "$@"
 859 }
 860
 861 check_lib2(){
 862     log check_lib2 "$@"
 863     headers="$1"
 864     funcs="$2"
 865     shift 2
 866     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 867 }
 868
 869 check_lib_cpp(){
 870     log check_lib_cpp "$@"
 871     headers="$1"
 872     classes="$2"
 873     shift 2
 874     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 875 }
 876
 877 check_pkg_config(){
 878     log check_pkg_config "$@"
 879     pkg="$1"
 880     headers="$2"
 881     funcs="$3"
 882     shift 3
 883     $pkg_config --exists $pkg 2>/dev/null || return
 884     pkg_cflags=$($pkg_config --cflags $pkg)
 885     pkg_libs=$($pkg_config --libs $pkg)
 886     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 887         set_safe ${pkg}_cflags $pkg_cflags   &&
 888         set_safe ${pkg}_libs   $pkg_libs
 889 }
 890
 891 check_exec(){
 892     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 893 }
 894
 895 check_exec_crash(){
 896     code=$(cat)
 897
 898     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 899     # are safe but may not be available everywhere.  Thus we use
 900     # raise(SIGTERM) instead.  The check is run in a subshell so we
 901     # can redirect the "Terminated" message from the shell.  SIGBUS
 902     # is not defined by standard C so it is used conditionally.
 903
 904     (check_exec "$@") >> $logfile 2>&1 <<EOF
 905 #include <signal.h>
 906 static void sighandler(int sig){
 907     raise(SIGTERM);
 908 }
 909 int func(void){
 910     $code
 911 }
 912 int (*func_ptr)(void) = func;
 913 int main(void){
 914     signal(SIGILL, sighandler);
 915     signal(SIGFPE, sighandler);
 916     signal(SIGSEGV, sighandler);
 917 #ifdef SIGBUS
 918     signal(SIGBUS, sighandler);
 919 #endif
 920     return func_ptr();
 921 }
 922 EOF
 923 }
 924
 925 check_type(){
 926     log check_type "$@"
 927     headers=$1
 928     type=$2
 929     shift 2
 930     disable_safe "$type"
 931     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
 932 }
 933
 934 check_struct(){
 935     log check_type "$@"
 936     headers=$1
 937     struct=$2
 938     member=$3
 939     shift 3
 940     disable_safe "${struct}_${member}"
 941     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
 942         enable_safe "${struct}_${member}"
 943 }
 944
 945 require(){
 946     name="$1"
 947     header="$2"
 948     func="$3"
 949     shift 3
 950     check_lib $header $func "$@" || die "ERROR: $name not found"
 951 }
 952
 953 require2(){
 954     name="$1"
 955     headers="$2"
 956     func="$3"
 957     shift 3
 958     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 959 }
 960
 961 require_cpp(){
 962     name="$1"
 963     headers="$2"
 964     classes="$3"
 965     shift 3
 966     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
 967 }
 968
 969 require_pkg_config(){
 970     pkg="$1"
 971     check_pkg_config "$@" || die "ERROR: $pkg not found"
 972     add_cflags    $(get_safe ${pkg}_cflags)
 973     add_extralibs $(get_safe ${pkg}_libs)
 974 }
 975
 976 check_host_cc(){
 977     log check_host_cc "$@"
 978     cat > $TMPC
 979     log_file $TMPC
 980     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
 981 }
 982
 983 check_host_cflags(){
 984     log check_host_cflags "$@"
 985     check_host_cc "$@" <<EOF && append host_cflags "$@"
 986 int x;
 987 EOF
 988 }
 989
 990 apply(){
 991     file=$1
 992     shift
 993     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 994 }
 995
 996 cp_if_changed(){
 997     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
 998     mkdir -p "$(dirname $2)"
 999     cp -f "$1" "$2"
1000 }
1001
1002 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1003 # system-dependent things.
1004
1005 COMPONENT_LIST="
1006     bsfs
1007     decoders
1008     demuxers
1009     encoders
1010     filters
1011     hwaccels
1012     indevs
1013     muxers
1014     outdevs
1015     parsers
1016     protocols
1017 "
1018
1019 PROGRAM_LIST="
1020     ffplay
1021     ffprobe
1022     ffserver
1023     ffmpeg
1024 "
1025
1026 CONFIG_LIST="
1027     $COMPONENT_LIST
1028     $PROGRAM_LIST
1029     ac3dsp
1030     avcodec
1031     avdevice
1032     avfilter
1033     avformat
1034     avresample
1035     avisynth
1036     bzlib
1037     crystalhd
1038     dct
1039     doc
1040     dwt
1041     dxva2
1042     fast_unaligned
1043     fastdiv
1044     fft
1045     fontconfig
1046     frei0r
1047     gnutls
1048     gpl
1049     gray
1050     hardcoded_tables
1051     libaacplus
1052     libass
1053     libbluray
1054     libcdio
1055     libcelt
1056     libdc1394
1057     libfaac
1058     libfdk_aac
1059     libfreetype
1060     libgsm
1061     libiec61883
1062     libilbc
1063     libmodplug
1064     libmp3lame
1065     libnut
1066     libopencore_amrnb
1067     libopencore_amrwb
1068     libopencv
1069     libopenjpeg
1070     libopus
1071     libpulse
1072     librtmp
1073     libschroedinger
1074     libspeex
1075     libstagefright_h264
1076     libtheora
1077     libutvideo
1078     libv4l2
1079     libvo_aacenc
1080     libvo_amrwbenc
1081     libvorbis
1082     libvpx
1083     libx264
1084     libxavs
1085     libxvid
1086     lsp
1087     mdct
1088     memalign_hack
1089     memory_poisoning
1090     mpegaudiodsp
1091     network
1092     nonfree
1093     openal
1094     openssl
1095     pic
1096     postproc
1097     rdft
1098     rtpdec
1099     runtime_cpudetect
1100     safe_bitstream_reader
1101     shared
1102     sinewin
1103     small
1104     sram
1105     static
1106     swresample
1107     swscale
1108     swscale_alpha
1109     thumb
1110     vaapi
1111     vda
1112     vdpau
1113     version3
1114     xmm_clobber_test
1115     x11grab
1116     zlib
1117 "
1118
1119 THREADS_LIST='
1120     pthreads
1121     w32threads
1122     os2threads
1123 '
1124
1125 ARCH_LIST='
1126     alpha
1127     arm
1128     avr32
1129     avr32_ap
1130     avr32_uc
1131     bfin
1132     ia64
1133     m68k
1134     mips
1135     mips64
1136     parisc
1137     ppc
1138     ppc64
1139     s390
1140     sh4
1141     sparc
1142     sparc64
1143     tomi
1144     x86
1145     x86_32
1146     x86_64
1147 '
1148
1149 ARCH_EXT_LIST='
1150     altivec
1151     amd3dnow
1152     amd3dnowext
1153     armv5te
1154     armv6
1155     armv6t2
1156     armvfp
1157     avx
1158     mmi
1159     mmx
1160     mmx2
1161     neon
1162     ppc4xx
1163     sse
1164     ssse3
1165     vfpv3
1166     vis
1167     mipsfpu
1168     mips32r2
1169     mipsdspr1
1170     mipsdspr2
1171 '
1172
1173 HAVE_LIST_PUB='
1174     bigendian
1175     fast_unaligned
1176 '
1177
1178 HAVE_LIST="
1179     $ARCH_EXT_LIST
1180     $HAVE_LIST_PUB
1181     $THREADS_LIST
1182     aligned_malloc
1183     aligned_stack
1184     alsa_asoundlib_h
1185     altivec_h
1186     arpa_inet_h
1187     asm_mod_y
1188     asm_types_h
1189     attribute_may_alias
1190     attribute_packed
1191     cbrtf
1192     clock_gettime
1193     closesocket
1194     cmov
1195     cpuid
1196     dcbzl
1197     dev_bktr_ioctl_bt848_h
1198     dev_bktr_ioctl_meteor_h
1199     dev_ic_bt8xx_h
1200     dev_video_bktr_ioctl_bt848_h
1201     dev_video_meteor_ioctl_meteor_h
1202     dlfcn_h
1203     dlopen
1204     dos_paths
1205     dxva_h
1206     ebp_available
1207     ebx_available
1208     exp2
1209     exp2f
1210     fast_64bit
1211     fast_clz
1212     fast_cmov
1213     fcntl
1214     fork
1215     getaddrinfo
1216     gethrtime
1217     getopt
1218     GetProcessAffinityMask
1219     GetProcessMemoryInfo
1220     GetProcessTimes
1221     GetSystemTimeAsFileTime
1222     getrusage
1223     gettimeofday
1224     glob
1225     gnu_as
1226     ibm_asm
1227     inet_aton
1228     inline_asm
1229     isatty
1230     isinf
1231     isnan
1232     jack_port_get_latency_range
1233     kbhit
1234     ldbrx
1235     libdc1394_1
1236     libdc1394_2
1237     llrint
1238     llrintf
1239     local_aligned_16
1240     local_aligned_8
1241     localtime_r
1242     log2
1243     log2f
1244     loongson
1245     lrint
1246     lrintf
1247     lzo1x_999_compress
1248     machine_ioctl_bt848_h
1249     machine_ioctl_meteor_h
1250     makeinfo
1251     malloc_h
1252     MapViewOfFile
1253     memalign
1254     mkstemp
1255     mm_empty
1256     mmap
1257     nanosleep
1258     netinet_sctp_h
1259     PeekNamedPipe
1260     pod2man
1261     poll_h
1262     posix_memalign
1263     pthread_cancel
1264     rdtsc
1265     rint
1266     round
1267     roundf
1268     rweflags
1269     sched_getaffinity
1270     sdl
1271     sdl_video_size
1272     setmode
1273     setrlimit
1274     Sleep
1275     sndio_h
1276     socklen_t
1277     soundcard_h
1278     strerror_r
1279     strptime
1280     struct_addrinfo
1281     struct_group_source_req
1282     struct_ip_mreq_source
1283     struct_ipv6_mreq
1284     struct_pollfd
1285     struct_rusage_ru_maxrss
1286     struct_sockaddr_in6
1287     struct_sockaddr_sa_len
1288     struct_sockaddr_storage
1289     struct_v4l2_frmivalenum_discrete
1290     symver
1291     symver_asm_label
1292     symver_gnu_asm
1293     sysconf
1294     sysctl
1295     sys_mman_h
1296     sys_param_h
1297     sys_resource_h
1298     sys_select_h
1299     sys_soundcard_h
1300     sys_time_h
1301     sys_videoio_h
1302     termios_h
1303     texi2html
1304     threads
1305     trunc
1306     truncf
1307     unistd_h
1308     usleep
1309     vfp_args
1310     VirtualAlloc
1311     windows_h
1312     winsock2_h
1313     xform_asm
1314     xgetbv
1315     xmm_clobbers
1316     yasm
1317 "
1318
1319 # options emitted with CONFIG_ prefix but not available on command line
1320 CONFIG_EXTRA="
1321     aandct
1322     avutil
1323     golomb
1324     gplv3
1325     h264chroma
1326     h264dsp
1327     h264pred
1328     h264qpel
1329     huffman
1330     lgplv3
1331     lpc
1332     vp3dsp
1333 "
1334
1335 CMDLINE_SELECT="
1336     $ARCH_EXT_LIST
1337     $CONFIG_LIST
1338     $THREADS_LIST
1339     asm
1340     coverage
1341     cross_compile
1342     debug
1343     extra_warnings
1344     logging
1345     optimizations
1346     stripping
1347     symver
1348     yasm
1349 "
1350
1351 PATHS_LIST='
1352     bindir
1353     datadir
1354     incdir
1355     libdir
1356     mandir
1357     prefix
1358     shlibdir
1359 '
1360
1361 CMDLINE_SET="
1362     $PATHS_LIST
1363     ar
1364     arch
1365     as
1366     assert_level
1367     build_suffix
1368     cc
1369     cpu
1370     cross_prefix
1371     cxx
1372     dep_cc
1373     extra_version
1374     host_cc
1375     host_cflags
1376     host_ldflags
1377     host_libs
1378     host_os
1379     install
1380     ld
1381     logfile
1382     malloc_prefix
1383     nm
1384     optflags
1385     pkg_config
1386     postproc_version
1387     progs_suffix
1388     random_seed
1389     samples
1390     strip
1391     sysinclude
1392     sysroot
1393     target_exec
1394     target_os
1395     target_path
1396     valgrind
1397     yasmexe
1398 "
1399
1400 CMDLINE_APPEND="
1401     extra_cflags
1402     extra_cxxflags
1403 "
1404
1405 # code dependency declarations
1406
1407 # architecture extensions
1408
1409 armv5te_deps="arm"
1410 armv6_deps="arm"
1411 armv6t2_deps="arm"
1412 armvfp_deps="arm"
1413 neon_deps="arm"
1414 vfpv3_deps="armvfp"
1415
1416 mipsfpu_deps="mips"
1417 mips32r2_deps="mips"
1418 mipsdspr1_deps="mips"
1419 mipsdspr2_deps="mips"
1420 mmi_deps="mips"
1421
1422 altivec_deps="ppc"
1423 ppc4xx_deps="ppc"
1424
1425 vis_deps="sparc"
1426
1427 x86_64_suggest="cmov fast_cmov"
1428 amd3dnow_deps="mmx"
1429 amd3dnowext_deps="amd3dnow"
1430 mmx_deps="x86"
1431 mmx2_deps="mmx"
1432 sse_deps="mmx"
1433 ssse3_deps="sse"
1434 avx_deps="ssse3"
1435
1436 aligned_stack_if_any="ppc x86"
1437 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1438 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1439 fast_unaligned_if_any="armv6 ppc x86"
1440
1441 inline_asm_deps="!tms470"
1442 need_memalign="altivec neon sse"
1443
1444 symver_if_any="symver_asm_label symver_gnu_asm"
1445
1446 # subsystems
1447 dct_select="rdft"
1448 mdct_select="fft"
1449 rdft_select="fft"
1450 mpegaudiodsp_select="dct"
1451
1452 # decoders / encoders / hardware accelerators
1453 aac_decoder_select="mdct sinewin"
1454 aac_encoder_select="mdct sinewin"
1455 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1456 ac3_decoder_select="mdct ac3dsp ac3_parser"
1457 ac3_encoder_select="mdct ac3dsp"
1458 ac3_fixed_encoder_select="mdct ac3dsp"
1459 alac_encoder_select="lpc"
1460 amrnb_decoder_select="lsp"
1461 amrwb_decoder_select="lsp"
1462 amv_encoder_select="aandct"
1463 atrac1_decoder_select="mdct sinewin"
1464 atrac3_decoder_select="mdct"
1465 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1466 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1467 cavs_decoder_select="golomb"
1468 cook_decoder_select="mdct sinewin"
1469 cscd_decoder_suggest="zlib"
1470 dca_decoder_select="mdct"
1471 dirac_decoder_select="dwt golomb"
1472 dnxhd_encoder_select="aandct"
1473 dxa_decoder_select="zlib"
1474 eac3_decoder_select="ac3_decoder"
1475 eac3_encoder_select="mdct ac3dsp"
1476 eamad_decoder_select="aandct"
1477 eatgq_decoder_select="aandct"
1478 eatqi_decoder_select="aandct"
1479 exr_decoder_select="zlib"
1480 ffv1_decoder_select="golomb"
1481 flac_decoder_select="golomb"
1482 flac_encoder_select="golomb lpc"
1483 flashsv_decoder_select="zlib"
1484 flashsv_encoder_select="zlib"
1485 flashsv2_encoder_select="zlib"
1486 flashsv2_decoder_select="zlib"
1487 flv_decoder_select="h263_decoder"
1488 flv_encoder_select="h263_encoder"
1489 fraps_decoder_select="huffman"
1490 h261_encoder_select="aandct"
1491 h263_decoder_select="h263_parser"
1492 h263_encoder_select="aandct"
1493 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1494 h263i_decoder_select="h263_decoder"
1495 h263p_encoder_select="h263_encoder"
1496 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1497 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1498 h264_dxva2_hwaccel_deps="dxva2api_h"
1499 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1500 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1501 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1502 h264_vda_hwaccel_select="vda h264_decoder"
1503 h264_vdpau_decoder_select="vdpau h264_decoder"
1504 iac_decoder_select="fft mdct sinewin"
1505 imc_decoder_select="fft mdct sinewin"
1506 jpegls_decoder_select="golomb"
1507 jpegls_encoder_select="golomb"
1508 ljpeg_encoder_select="aandct"
1509 loco_decoder_select="golomb"
1510 mjpeg_encoder_select="aandct"
1511 mlp_decoder_select="mlp_parser"
1512 mp1_decoder_select="mpegaudiodsp"
1513 mp1float_decoder_select="mpegaudiodsp"
1514 mp2_decoder_select="mpegaudiodsp"
1515 mp2float_decoder_select="mpegaudiodsp"
1516 mp3_decoder_select="mpegaudiodsp"
1517 mp3adu_decoder_select="mpegaudiodsp"
1518 mp3adufloat_decoder_select="mpegaudiodsp"
1519 mp3float_decoder_select="mpegaudiodsp"
1520 mp3on4_decoder_select="mpegaudiodsp"
1521 mp3on4float_decoder_select="mpegaudiodsp"
1522 mpc7_decoder_select="mpegaudiodsp"
1523 mpc8_decoder_select="mpegaudiodsp"
1524 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1525 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1526 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1527 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1528 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1529 mpeg1video_encoder_select="aandct"
1530 mpeg2_crystalhd_decoder_select="crystalhd"
1531 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1532 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1533 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1534 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1535 mpeg2video_encoder_select="aandct"
1536 mpeg4_crystalhd_decoder_select="crystalhd"
1537 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1538 mpeg4_encoder_select="h263_encoder"
1539 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1540 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1541 msmpeg4_crystalhd_decoder_select="crystalhd"
1542 msmpeg4v1_decoder_select="h263_decoder"
1543 msmpeg4v1_encoder_select="h263_encoder"
1544 msmpeg4v2_decoder_select="h263_decoder"
1545 msmpeg4v2_encoder_select="h263_encoder"
1546 msmpeg4v3_decoder_select="h263_decoder"
1547 msmpeg4v3_encoder_select="h263_encoder"
1548 nellymoser_decoder_select="mdct sinewin"
1549 nellymoser_encoder_select="mdct sinewin"
1550 png_decoder_select="zlib"
1551 png_encoder_select="zlib"
1552 qcelp_decoder_select="lsp"
1553 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1554 ra_144_encoder_select="lpc"
1555 ralf_decoder_select="golomb"
1556 rv10_decoder_select="h263_decoder"
1557 rv10_encoder_select="h263_encoder"
1558 rv20_decoder_select="h263_decoder"
1559 rv20_encoder_select="h263_encoder"
1560 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1561 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1562 shorten_decoder_select="golomb"
1563 sipr_decoder_select="lsp"
1564 snow_decoder_select="dwt"
1565 snow_encoder_select="aandct dwt"
1566 sonic_decoder_select="golomb"
1567 sonic_encoder_select="golomb"
1568 sonic_ls_encoder_select="golomb"
1569 svq1_encoder_select="aandct"
1570 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1571 svq3_decoder_suggest="zlib"
1572 theora_decoder_select="vp3_decoder"
1573 tiff_decoder_suggest="zlib"
1574 tiff_encoder_suggest="zlib"
1575 tscc_decoder_select="zlib"
1576 twinvq_decoder_select="mdct lsp sinewin"
1577 vc1_crystalhd_decoder_select="crystalhd"
1578 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1579 vc1_dxva2_hwaccel_deps="dxva2api_h"
1580 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1581 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1582 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1583 vc1image_decoder_select="vc1_decoder"
1584 vorbis_decoder_select="mdct"
1585 vorbis_encoder_select="mdct"
1586 vp3_decoder_select="vp3dsp"
1587 vp5_decoder_select="vp3dsp"
1588 vp6_decoder_select="huffman vp3dsp"
1589 vp6a_decoder_select="vp6_decoder"
1590 vp6f_decoder_select="vp6_decoder"
1591 vp8_decoder_select="h264pred h264qpel"
1592 wmapro_decoder_select="mdct sinewin"
1593 wmav1_decoder_select="mdct sinewin"
1594 wmav1_encoder_select="mdct sinewin"
1595 wmav2_decoder_select="mdct sinewin"
1596 wmav2_encoder_select="mdct sinewin"
1597 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1598 wmv1_decoder_select="h263_decoder"
1599 wmv1_encoder_select="h263_encoder"
1600 wmv2_decoder_select="h263_decoder"
1601 wmv2_encoder_select="h263_encoder"
1602 wmv3_decoder_select="vc1_decoder"
1603 wmv3_crystalhd_decoder_select="crystalhd"
1604 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1605 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1606 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1607 wmv3image_decoder_select="wmv3_decoder"
1608 zerocodec_decoder_select="zlib"
1609 zlib_decoder_select="zlib"
1610 zlib_encoder_select="zlib"
1611 zmbv_decoder_select="zlib"
1612 zmbv_encoder_select="zlib"
1613
1614 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1615 vaapi_deps="va_va_h"
1616 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1617 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1618
1619 # parsers
1620 h264_parser_select="golomb h264dsp h264pred"
1621
1622 # external libraries
1623 libaacplus_encoder_deps="libaacplus"
1624 libcelt_decoder_deps="libcelt"
1625 libfaac_encoder_deps="libfaac"
1626 libfdk_aac_encoder_deps="libfdk_aac"
1627 libgsm_decoder_deps="libgsm"
1628 libgsm_encoder_deps="libgsm"
1629 libgsm_ms_decoder_deps="libgsm"
1630 libgsm_ms_encoder_deps="libgsm"
1631 libilbc_decoder_deps="libilbc"
1632 libilbc_encoder_deps="libilbc"
1633 libmodplug_demuxer_deps="libmodplug"
1634 libmp3lame_encoder_deps="libmp3lame"
1635 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1636 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1637 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1638 libopenjpeg_decoder_deps="libopenjpeg"
1639 libopenjpeg_encoder_deps="libopenjpeg"
1640 libopus_decoder_deps="libopus"
1641 libschroedinger_decoder_deps="libschroedinger"
1642 libschroedinger_encoder_deps="libschroedinger"
1643 libspeex_decoder_deps="libspeex"
1644 libspeex_encoder_deps="libspeex"
1645 libstagefright_h264_decoder_deps="libstagefright_h264"
1646 libtheora_encoder_deps="libtheora"
1647 libvo_aacenc_encoder_deps="libvo_aacenc"
1648 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1649 libvorbis_decoder_deps="libvorbis"
1650 libvorbis_encoder_deps="libvorbis"
1651 libvpx_decoder_deps="libvpx"
1652 libvpx_encoder_deps="libvpx"
1653 libx264_encoder_deps="libx264"
1654 libx264rgb_encoder_deps="libx264"
1655 libxavs_encoder_deps="libxavs"
1656 libxvid_encoder_deps="libxvid"
1657 libutvideo_decoder_deps="libutvideo"
1658 libutvideo_encoder_deps="libutvideo"
1659
1660 # demuxers / muxers
1661 ac3_demuxer_select="ac3_parser"
1662 asf_stream_muxer_select="asf_muxer"
1663 avisynth_demuxer_deps="avisynth"
1664 dirac_demuxer_select="dirac_parser"
1665 eac3_demuxer_select="ac3_parser"
1666 flac_demuxer_select="flac_parser"
1667 ipod_muxer_select="mov_muxer"
1668 libnut_demuxer_deps="libnut"
1669 libnut_muxer_deps="libnut"
1670 matroska_audio_muxer_select="matroska_muxer"
1671 matroska_demuxer_suggest="zlib bzlib"
1672 mov_demuxer_suggest="zlib"
1673 mp3_demuxer_select="mpegaudio_parser"
1674 mp4_muxer_select="mov_muxer"
1675 mpegts_muxer_select="adts_muxer latm_muxer"
1676 mpegtsraw_demuxer_select="mpegts_demuxer"
1677 mxf_d10_muxer_select="mxf_muxer"
1678 ogg_demuxer_select="golomb"
1679 psp_muxer_select="mov_muxer"
1680 rtp_demuxer_select="sdp_demuxer"
1681 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1682 rtsp_demuxer_select="http_protocol rtpdec"
1683 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1684 sap_demuxer_select="sdp_demuxer"
1685 sap_muxer_select="rtp_muxer rtp_protocol"
1686 sdp_demuxer_select="rtpdec"
1687 spdif_muxer_select="aac_parser"
1688 tg2_muxer_select="mov_muxer"
1689 tgp_muxer_select="mov_muxer"
1690 w64_demuxer_deps="wav_demuxer"
1691
1692 # indevs / outdevs
1693 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1694 alsa_outdev_deps="alsa_asoundlib_h"
1695 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1696 dshow_indev_deps="IBaseFilter"
1697 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1698 dv1394_indev_deps="dv1394 dv_demuxer"
1699 fbdev_indev_deps="linux_fb_h"
1700 iec61883_indev_deps="libiec61883"
1701 jack_indev_deps="jack_jack_h sem_timedwait"
1702 lavfi_indev_deps="avfilter"
1703 libcdio_indev_deps="libcdio"
1704 libdc1394_indev_deps="libdc1394"
1705 libv4l2_indev_deps="libv4l2"
1706 openal_indev_deps="openal"
1707 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1708 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1709 pulse_indev_deps="libpulse"
1710 sdl_outdev_deps="sdl"
1711 sndio_indev_deps="sndio_h"
1712 sndio_outdev_deps="sndio_h"
1713 v4l_indev_deps="linux_videodev_h"
1714 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1715 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1716 vfwcap_indev_extralibs="-lavicap32"
1717 x11_grab_device_indev_deps="x11grab"
1718
1719 # protocols
1720 bluray_protocol_deps="libbluray"
1721 ffrtmphttp_protocol_deps="!librtmp_protocol"
1722 ffrtmphttp_protocol_select="http_protocol"
1723 gopher_protocol_deps="network"
1724 httpproxy_protocol_deps="network"
1725 httpproxy_protocol_select="tcp_protocol"
1726 http_protocol_deps="network"
1727 http_protocol_select="tcp_protocol"
1728 https_protocol_select="tls_protocol"
1729 librtmp_protocol_deps="librtmp"
1730 librtmpe_protocol_deps="librtmp"
1731 librtmps_protocol_deps="librtmp"
1732 librtmpt_protocol_deps="librtmp"
1733 librtmpte_protocol_deps="librtmp"
1734 mmsh_protocol_select="http_protocol"
1735 mmst_protocol_deps="network"
1736 rtmp_protocol_deps="!librtmp_protocol"
1737 rtmp_protocol_select="tcp_protocol"
1738 rtmps_protocol_deps="!librtmp_protocol"
1739 rtmps_protocol_select="tls_protocol"
1740 rtmpt_protocol_deps="!librtmp_protocol"
1741 rtmpt_protocol_select="ffrtmphttp_protocol"
1742 rtmpts_protocol_deps="!librtmp_protocol"
1743 rtmpts_protocol_select="ffrtmphttp_protocol"
1744 rtp_protocol_select="udp_protocol"
1745 sctp_protocol_deps="network netinet_sctp_h"
1746 tcp_protocol_deps="network"
1747 tls_protocol_deps_any="openssl gnutls"
1748 tls_protocol_select="tcp_protocol"
1749 udp_protocol_deps="network"
1750
1751 # filters
1752 aconvert_filter_deps="swresample"
1753 amovie_filter_deps="avcodec avformat"
1754 aresample_filter_deps="swresample"
1755 ass_filter_deps="libass"
1756 asyncts_filter_deps="avresample"
1757 atempo_filter_deps="avcodec rdft"
1758 blackframe_filter_deps="gpl"
1759 boxblur_filter_deps="gpl"
1760 colormatrix_filter_deps="gpl"
1761 cropdetect_filter_deps="gpl"
1762 delogo_filter_deps="gpl"
1763 deshake_filter_deps="avcodec"
1764 drawtext_filter_deps="libfreetype"
1765 frei0r_filter_deps="frei0r dlopen"
1766 frei0r_filter_extralibs='$ldl'
1767 frei0r_src_filter_deps="frei0r dlopen"
1768 frei0r_src_filter_extralibs='$ldl'
1769 hqdn3d_filter_deps="gpl"
1770 movie_filter_deps="avcodec avformat"
1771 mp_filter_deps="gpl avcodec swscale postproc"
1772 mptestsrc_filter_deps="gpl"
1773 negate_filter_deps="lut_filter"
1774 resample_filter_deps="avresample"
1775 ocv_filter_deps="libopencv"
1776 pan_filter_deps="swresample"
1777 removelogo_filter_deps="avcodec avformat swscale"
1778 scale_filter_deps="swscale"
1779 select_filter_deps="avcodec"
1780 super2xsai_filter_deps="gpl"
1781 tinterlace_filter_deps="gpl"
1782 yadif_filter_deps="gpl"
1783
1784 # libraries
1785 avdevice_deps="avcodec avformat"
1786 avformat_deps="avcodec"
1787 postproc_deps="gpl"
1788
1789 # programs
1790 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1791 ffmpeg_select="buffersink_filter format_filter aformat_filter
1792                setpts_filter null_filter anull_filter abuffersink_filter"
1793 ffplay_deps="avcodec avformat swscale swresample sdl"
1794 ffplay_select="buffersink_filter rdft"
1795 ffprobe_deps="avcodec avformat"
1796 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1797 ffserver_extralibs='$ldl'
1798
1799 doc_deps_any="texi2html makeinfo pod2man"
1800
1801 # tests
1802
1803 test_deps(){
1804     suf1=$1
1805     suf2=$2
1806     shift 2
1807     for v; do
1808         dep=${v%=*}
1809         tests=${v#*=}
1810         for name in ${tests}; do
1811             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1812         done
1813     done
1814 }
1815
1816 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1817
1818 test_deps _muxer _demuxer                                               \
1819     aiff                                                                \
1820     pcm_alaw=alaw                                                       \
1821     asf                                                                 \
1822     au                                                                  \
1823     avi                                                                 \
1824     dv=dv_fmt                                                           \
1825     ffm                                                                 \
1826     flv=flv_fmt                                                         \
1827     gxf                                                                 \
1828     matroska=mkv                                                        \
1829     mmf                                                                 \
1830     mov="mov ismv"                                                      \
1831     pcm_mulaw=mulaw                                                     \
1832     mxf="mxf mxf_d10"                                                   \
1833     nut                                                                 \
1834     ogg="ogg ogg_vp3"                                                   \
1835     rawvideo=pixfmt                                                     \
1836     rm                                                                  \
1837     swf                                                                 \
1838     mpegts=ts                                                           \
1839     voc                                                                 \
1840     wav                                                                 \
1841     yuv4mpegpipe=yuv4mpeg                                               \
1842
1843 colormatrix1_test_deps="colormatrix_filter"
1844 colormatrix2_test_deps="colormatrix_filter"
1845 flashsv2_test_deps="zlib"
1846 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1847 mpng_test_deps="zlib"
1848 pp_test_deps="mp_filter"
1849 pp2_test_deps="mp_filter"
1850 pp3_test_deps="mp_filter"
1851 pp4_test_deps="mp_filter"
1852 pp5_test_deps="mp_filter"
1853 pp6_test_deps="mp_filter"
1854 zlib_test_deps="zlib"
1855 zmbv_test_deps="zlib"
1856
1857 # default parameters
1858
1859 logfile="config.log"
1860
1861 # installation paths
1862 prefix_default="/usr/local"
1863 bindir_default='${prefix}/bin'
1864 datadir_default='${prefix}/share/ffmpeg'
1865 incdir_default='${prefix}/include'
1866 libdir_default='${prefix}/lib'
1867 mandir_default='${prefix}/share/man'
1868 shlibdir_default="$libdir_default"
1869 postproc_version_default="current"
1870
1871 # toolchain
1872 ar_default="ar"
1873 cc_default="gcc"
1874 cxx_default="g++"
1875 host_cc_default="gcc"
1876 install="install"
1877 ln_s="ln -sf"
1878 nm_default="nm"
1879 objformat="elf"
1880 pkg_config_default=pkg-config
1881 ranlib="ranlib"
1882 strip_default="strip"
1883 yasmexe_default="yasm"
1884
1885 nm_opts='-g'
1886 nogas=":"
1887
1888 # machine
1889 arch_default=$(uname -m)
1890 cpu="generic"
1891
1892 # OS
1893 target_os_default=$(tolower $(uname -s))
1894 host_os=$target_os_default
1895
1896 # alternative libpostproc version
1897 ALT_PP_VER_MAJOR=51
1898 ALT_PP_VER_MINOR=2
1899 ALT_PP_VER_MICRO=101
1900 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1901
1902 # configurable options
1903 enable $PROGRAM_LIST
1904
1905 enable avcodec
1906 enable avdevice
1907 enable avfilter
1908 enable avformat
1909 enable avutil
1910 enable postproc
1911 enable stripping
1912 enable swresample
1913 enable swscale
1914
1915 enable asm
1916 enable debug
1917 enable doc
1918 enable fastdiv
1919 enable network
1920 enable optimizations
1921 enable safe_bitstream_reader
1922 enable static
1923 enable swscale_alpha
1924
1925 # build settings
1926 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1927 FFSERVERLDFLAGS=-Wl,-E
1928 LIBPREF="lib"
1929 LIBSUF=".a"
1930 FULLNAME='$(NAME)$(BUILDSUF)'
1931 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1932 SLIBPREF="lib"
1933 SLIBSUF=".so"
1934 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1935 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1936 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1937 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1938 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1939 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1940
1941 AS_O='-o $@'
1942 CC_O='-o $@'
1943 CXX_O='-o $@'
1944
1945 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
1946 host_libs='-lm'
1947
1948 target_path='$(CURDIR)'
1949
1950 # since the object filename is not given with the -MM flag, the compiler
1951 # is only able to print the basename, and we must add the path ourselves
1952 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1953 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1954
1955 # find source path
1956 if test -f configure; then
1957     source_path=.
1958 else
1959     source_path=$(cd $(dirname "$0"); pwd)
1960     echo "$source_path" | grep -q '[[:blank:]]' &&
1961         die "Out of tree builds are impossible with whitespace in source path."
1962     test -e "$source_path/config.h" &&
1963         die "Out of tree builds are impossible with config.h in source dir."
1964 fi
1965
1966 for v in "$@"; do
1967     r=${v#*=}
1968     l=${v%"$r"}
1969     r=$(sh_quote "$r")
1970     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1971 done
1972
1973 find_things(){
1974     thing=$1
1975     pattern=$2
1976     file=$source_path/$3
1977     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1978 }
1979
1980 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1981 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1982 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1983 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1984 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1985 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1986 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1987 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1988 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1989 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1990 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1991
1992 ALL_COMPONENTS="
1993     $BSF_LIST
1994     $DECODER_LIST
1995     $DEMUXER_LIST
1996     $ENCODER_LIST
1997     $FILTER_LIST
1998     $HWACCEL_LIST
1999     $INDEV_LIST
2000     $MUXER_LIST
2001     $OUTDEV_LIST
2002     $PARSER_LIST
2003     $PROTOCOL_LIST
2004 "
2005
2006 find_tests(){
2007     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
2008 }
2009
2010 LAVF_FATE_TESTS=$(find_tests lavf-fate)
2011 LAVF_TESTS=$(find_tests lavf)
2012 LAVFI_TESTS=$(find_tests lavfi)
2013 SEEK_TESTS=$(find_tests seek seek_)
2014
2015 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
2016
2017 for n in $COMPONENT_LIST; do
2018     v=$(toupper ${n%s})_LIST
2019     eval enable \$$v
2020     eval ${n}_if_any="\$$v"
2021 done
2022
2023 enable $ARCH_EXT_LIST $ALL_TESTS
2024
2025 die_unknown(){
2026     echo "Unknown option \"$1\"."
2027     echo "See $0 --help for available options."
2028     exit 1
2029 }
2030
2031 show_list() {
2032     suffix=_$1
2033     shift
2034     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2035     exit 0
2036 }
2037
2038 rand_list(){
2039     IFS=', '
2040     set -- $*
2041     unset IFS
2042     for thing; do
2043         comp=${thing%:*}
2044         prob=${thing#$comp}
2045         prob=${prob#:}
2046         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2047         echo "prob ${prob:-0.5}"
2048         printf '%s\n' $comp
2049     done
2050 }
2051
2052 do_random(){
2053     action=$1
2054     shift
2055     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2056     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2057 }
2058
2059 for opt do
2060     optval="${opt#*=}"
2061     case "$opt" in
2062     --extra-ldflags=*) add_ldflags $optval
2063     ;;
2064     --extra-libs=*) add_extralibs $optval
2065     ;;
2066     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2067     ;;
2068     --enable-debug=*) debuglevel="$optval"
2069     ;;
2070     --disable-everything)
2071     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2072     ;;
2073     --enable-random|--disable-random)
2074     action=${opt%%-random}
2075     do_random ${action#--} $COMPONENT_LIST
2076     ;;
2077     --enable-random=*|--disable-random=*)
2078     action=${opt%%-random=*}
2079     do_random ${action#--} $optval
2080     ;;
2081     --enable-*=*|--disable-*=*)
2082     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2083     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2084     eval list=\$$(toupper $thing)_LIST
2085     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2086     $action $(filter "$name" $list)
2087     ;;
2088     --enable-?*|--disable-?*)
2089     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2090     if is_in $option $COMPONENT_LIST; then
2091         test $action = disable && action=unset
2092         eval $action \$$(toupper ${option%s})_LIST
2093     elif is_in $option $CMDLINE_SELECT; then
2094         $action $option
2095     else
2096         die_unknown $opt
2097     fi
2098     ;;
2099     --list-*)
2100         NAME="${opt#--list-}"
2101         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2102         NAME=${NAME%s}
2103         eval show_list $NAME \$$(toupper $NAME)_LIST
2104     ;;
2105     --help|-h) show_help
2106     ;;
2107     *)
2108     optname="${opt%%=*}"
2109     optname="${optname#--}"
2110     optname=$(echo "$optname" | sed 's/-/_/g')
2111     if is_in $optname $CMDLINE_SET; then
2112         eval $optname='$optval'
2113     elif is_in $optname $CMDLINE_APPEND; then
2114         append $optname "$optval"
2115     else
2116          die_unknown $opt
2117     fi
2118     ;;
2119     esac
2120 done
2121
2122 disabled logging && logfile=/dev/null
2123
2124 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2125 set >> $logfile
2126
2127 test -n "$cross_prefix" && enable cross_compile
2128
2129 if enabled cross_compile; then
2130     test -n "$arch" && test -n "$target_os" ||
2131         die "Must specify target arch and OS when cross-compiling"
2132 fi
2133
2134 set_default arch target_os postproc_version
2135
2136 # Check if we should build alternative libpostproc version instead of current
2137 if   test "$postproc_version" = $ALT_PP_VER; then
2138   LIBPOSTPROC_VERSION=$ALT_PP_VER
2139   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2140   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2141   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2142 elif test "$postproc_version" != current; then
2143   die "Invalid argument to --postproc-version. See --help output."
2144 fi
2145
2146 ar_default="${cross_prefix}${ar_default}"
2147 cc_default="${cross_prefix}${cc_default}"
2148 cxx_default="${cross_prefix}${cxx_default}"
2149 nm_default="${cross_prefix}${nm_default}"
2150 pkg_config_default="${cross_prefix}${pkg_config_default}"
2151 ranlib="${cross_prefix}${ranlib}"
2152 strip_default="${cross_prefix}${strip_default}"
2153
2154 sysinclude_default="${sysroot}/usr/include"
2155
2156 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2157 enabled cross_compile || host_cc_default=$cc
2158 set_default host_cc
2159
2160 if ! $pkg_config --version >/dev/null 2>&1; then
2161     warn "$pkg_config not found, library detection may fail."
2162     pkg_config=false
2163 fi
2164
2165 exesuf() {
2166     case $1 in
2167         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2168     esac
2169 }
2170
2171 EXESUF=$(exesuf $target_os)
2172 HOSTEXESUF=$(exesuf $host_os)
2173
2174 # set temporary file name
2175 : ${TMPDIR:=$TEMPDIR}
2176 : ${TMPDIR:=$TMP}
2177 : ${TMPDIR:=/tmp}
2178
2179 if ! check_cmd mktemp -u XXXXXX; then
2180     # simple replacement for missing mktemp
2181     # NOT SAFE FOR GENERAL USE
2182     mktemp(){
2183         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2184     }
2185 fi
2186
2187 tmpfile(){
2188     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2189         (set -C; exec > $tmp) 2>/dev/null ||
2190         die "Unable to create temporary file in $TMPDIR."
2191     append TMPFILES $tmp
2192     eval $1=$tmp
2193 }
2194
2195 trap 'rm -f -- $TMPFILES' EXIT
2196
2197 tmpfile TMPASM .asm
2198 tmpfile TMPC   .c
2199 tmpfile TMPCPP .cpp
2200 tmpfile TMPE   $EXESUF
2201 tmpfile TMPH   .h
2202 tmpfile TMPO   .o
2203 tmpfile TMPS   .S
2204 tmpfile TMPSH  .sh
2205 tmpfile TMPV   .ver
2206
2207 unset -f mktemp
2208
2209 chmod +x $TMPE
2210
2211 # make sure we can execute files in $TMPDIR
2212 cat > $TMPSH 2>> $logfile <<EOF
2213 #! /bin/sh
2214 EOF
2215 chmod +x $TMPSH >> $logfile 2>&1
2216 if ! $TMPSH >> $logfile 2>&1; then
2217     cat <<EOF
2218 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2219 variable to another directory and make sure that it is not mounted noexec.
2220 EOF
2221     die "Sanity test failed."
2222 fi
2223
2224 filter_asflags=echo
2225 filter_cflags=echo
2226 filter_cppflags=echo
2227
2228 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2229     cc_type=llvm_gcc
2230     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2231     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2232     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2233     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2234     speed_cflags='-O3'
2235     size_cflags='-Os'
2236 elif $cc -v 2>&1 | grep -qi ^gcc; then
2237     cc_type=gcc
2238     gcc_version=$($cc --version | head -n1)
2239     gcc_basever=$($cc -dumpversion)
2240     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2241     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2242     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2243     if ! $cc -dumpversion | grep -q '^2\.'; then
2244         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2245         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2246     fi
2247     speed_cflags='-O3'
2248     size_cflags='-Os'
2249 elif $cc --version 2>/dev/null | grep -q Intel; then
2250     cc_type=icc
2251     cc_ident=$($cc --version | head -n1)
2252     icc_version=$($cc -dumpversion)
2253     CC_DEPFLAGS='-MMD'
2254     AS_DEPFLAGS='-MMD'
2255     speed_cflags='-O3'
2256     size_cflags='-Os'
2257     noopt_cflags='-O1'
2258 elif $cc -v 2>&1 | grep -q xlc; then
2259     cc_type=xlc
2260     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2261     speed_cflags='-O5'
2262     size_cflags='-O5 -qcompact'
2263 elif $cc -V 2>/dev/null | grep -q Compaq; then
2264     cc_type=ccc
2265     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2266     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2267     debuglevel=3
2268     add_ldflags -Wl,-z,now # calls to libots crash without this
2269     speed_cflags='-fast'
2270     size_cflags='-O1'
2271 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2272     test -d "$sysroot" || die "No valid sysroot specified."
2273     cc_type=armcc
2274     cc_ident=$($cc --vsn | head -n1)
2275     armcc_conf="$PWD/armcc.conf"
2276     $cc --arm_linux_configure                 \
2277         --arm_linux_config_file="$armcc_conf" \
2278         --configure_sysroot="$sysroot"        \
2279         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2280         die "Error creating armcc configuration file."
2281     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2282     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2283     as_default="${cross_prefix}gcc"
2284     CC_DEPFLAGS='-MMD'
2285     AS_DEPFLAGS='-MMD'
2286     speed_cflags='-O3'
2287     size_cflags='-Os'
2288     filter_asflags="filter_out -W${armcc_opt}*"
2289 elif $cc -version 2>/dev/null | grep -q TMS470; then
2290     cc_type=tms470
2291     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2292     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2293     CC_O='-fr=$(@D)'
2294     as_default="${cross_prefix}gcc"
2295     ld_default="${cross_prefix}gcc"
2296     TMPO=$(basename $TMPC .c).o
2297     append TMPFILES $TMPO
2298     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2299     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2300     AS_DEPFLAGS='-MMD'
2301     speed_cflags='-O3 -mf=5'
2302     size_cflags='-O3 -mf=2'
2303     filter_cflags=tms470_flags
2304     tms470_flags(){
2305         for flag; do
2306             case $flag in
2307                 -march=*|-mcpu=*)
2308                     case "${flag#*=}" in
2309                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2310                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2311                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2312                         armv6*|arm11*)          echo -mv=6   ;;
2313                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2314                                                 echo -mv=5e  ;;
2315                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2316                     esac
2317                     ;;
2318                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2319                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2320                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2321                 -msoft-float)   echo --float_support=vfplib       ;;
2322                 -O[0-3]|-mf=*)  echo $flag                        ;;
2323                 -g)             echo -g -mn                       ;;
2324                 -pds=*)         echo $flag                        ;;
2325             esac
2326         done
2327     }
2328 elif $cc -v 2>&1 | grep -q clang; then
2329     cc_type=clang
2330     cc_ident=$($cc --version | head -n1)
2331     CC_DEPFLAGS='-MMD'
2332     AS_DEPFLAGS='-MMD'
2333     speed_cflags='-O3'
2334     size_cflags='-Os'
2335 elif $cc -V 2>&1 | grep -q Sun; then
2336     cc_type=suncc
2337     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2338     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2339     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2340     add_ldflags -xc99
2341     speed_cflags='-O5'
2342     size_cflags='-O5 -xspace'
2343     filter_cflags=suncc_flags
2344     suncc_flags(){
2345         for flag; do
2346             case $flag in
2347                 -march=*|-mcpu=*)
2348                     case "${flag#*=}" in
2349                         native)                   echo -xtarget=native       ;;
2350                         v9|niagara)               echo -xarch=sparc          ;;
2351                         ultrasparc)               echo -xarch=sparcvis       ;;
2352                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2353                         i586|pentium)             echo -xchip=pentium        ;;
2354                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2355                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2356                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2357                         pentium4*)          echo -xtarget=pentium4           ;;
2358                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2359                         *-sse3)             echo -xarch=sse3                 ;;
2360                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2361                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2362                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2363                         k8|opteron|athlon64|athlon-fx)
2364                                                   echo -xarch=sse2a          ;;
2365                         athlon*)                  echo -xarch=pentium_proa   ;;
2366                     esac
2367                     ;;
2368                 -std=c99)             echo -xc99              ;;
2369                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2370                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2371                 -W*,*)                echo $flag              ;;
2372                 -f*-*|-W*)                                    ;;
2373                 *)                    echo $flag              ;;
2374             esac
2375         done
2376     }
2377 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2378     cc_type=pathscale
2379     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2380     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2381     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2382     speed_cflags='-O2'
2383     size_cflags='-Os'
2384     filter_cflags='filter_out -Wdisabled-optimization'
2385 elif $cc -v 2>&1 | grep -q Open64; then
2386     cc_type=open64
2387     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2388     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2389     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2390     speed_cflags='-O2'
2391     size_cflags='-Os'
2392     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2393 elif $cc -V 2>&1 | grep -q Portland; then
2394     cc_type=pgi
2395     cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2396     opt_common='-alias=ansi -Mlre -Mpre'
2397     speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2398     size_cflags="-O2 -Munroll=c:1 $opt_common"
2399     noopt_cflags="-O1"
2400     filter_cflags=pgi_flags
2401     pgi_flags(){
2402         for flag; do
2403             case $flag in
2404                 -fomit-frame-pointer) echo -Mnoframe ;;
2405                 -g)                   echo -gopt ;;
2406                 *)                    echo $flag ;;
2407             esac
2408         done
2409     }
2410 fi
2411
2412 test -n "$cc_type" && enable $cc_type ||
2413     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2414
2415 : ${as_default:=$cc}
2416 : ${dep_cc_default:=$cc}
2417 : ${ld_default:=$cc}
2418 set_default ar as dep_cc ld
2419
2420 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2421 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2422 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2423
2424 add_cflags $extra_cflags
2425 add_cxxflags $extra_cxxflags
2426 add_asflags $extra_cflags
2427
2428 if test -n "$sysroot"; then
2429     case "$cc_type" in
2430         gcc|llvm_gcc|clang)
2431             add_cppflags --sysroot="$sysroot"
2432             add_ldflags --sysroot="$sysroot"
2433         ;;
2434         tms470)
2435             add_cppflags -I"$sysinclude"
2436             add_ldflags  --sysroot="$sysroot"
2437         ;;
2438     esac
2439 fi
2440
2441 if test "$cpu" = host; then
2442     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2443
2444     case "$cc_type" in
2445         gcc|llvm_gcc)
2446             check_native(){
2447                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2448                 sed -n "/cc1.*$1=/{
2449                             s/.*$1=\\([^ ]*\\).*/\\1/
2450                             p
2451                             q
2452                         }" $TMPE
2453             }
2454             cpu=$(check_native -march || check_native -mcpu)
2455         ;;
2456     esac
2457
2458     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2459 fi
2460
2461 # Deal with common $arch aliases
2462 case "$arch" in
2463     arm*|iPad*)
2464         arch="arm"
2465     ;;
2466     mips|mipsel|IP*)
2467         arch="mips"
2468     ;;
2469     mips64*)
2470         arch="mips"
2471         subarch="mips64"
2472     ;;
2473     parisc|hppa)
2474         arch="parisc"
2475     ;;
2476     parisc64|hppa64)
2477         arch="parisc"
2478         subarch="parisc64"
2479     ;;
2480     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2481         arch="ppc"
2482     ;;
2483     s390|s390x)
2484         arch="s390"
2485     ;;
2486     sh4|sh)
2487         arch="sh4"
2488     ;;
2489     sun4u|sparc64)
2490         arch="sparc"
2491         subarch="sparc64"
2492     ;;
2493     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2494         arch="x86"
2495     ;;
2496 esac
2497
2498 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2499 enable $arch
2500
2501 # Add processor-specific flags
2502 if test "$cpu" = generic; then
2503     : do nothing
2504 elif enabled ppc; then
2505
2506     case $(tolower $cpu) in
2507         601|ppc601|powerpc601)
2508             cpuflags="-mcpu=601"
2509             disable altivec
2510         ;;
2511         603*|ppc603*|powerpc603*)
2512             cpuflags="-mcpu=603"
2513             disable altivec
2514         ;;
2515         604*|ppc604*|powerpc604*)
2516             cpuflags="-mcpu=604"
2517             disable altivec
2518         ;;
2519         g3|75*|ppc75*|powerpc75*)
2520             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2521             disable altivec
2522         ;;
2523         g4|745*|ppc745*|powerpc745*)
2524             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2525         ;;
2526         74*|ppc74*|powerpc74*)
2527             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2528         ;;
2529         g5|970|ppc970|powerpc970)
2530             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2531         ;;
2532         power[3-7]*)
2533             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2534         ;;
2535         cell)
2536             cpuflags="-mcpu=cell"
2537             enable ldbrx
2538         ;;
2539         e500v2)
2540             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2541             disable altivec
2542         ;;
2543         e500)
2544             cpuflags="-mcpu=8540 -mhard-float"
2545             disable altivec
2546         ;;
2547     esac
2548
2549 elif enabled x86; then
2550
2551     case $cpu in
2552         i[345]86|pentium)
2553             cpuflags="-march=$cpu"
2554             disable mmx
2555         ;;
2556         # targets that do NOT support conditional mov (cmov)
2557         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2558             cpuflags="-march=$cpu"
2559             disable cmov
2560         ;;
2561         # targets that do support conditional mov (cmov)
2562         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2563             cpuflags="-march=$cpu"
2564             enable cmov
2565             enable fast_cmov
2566         ;;
2567         # targets that do support conditional mov but on which it's slow
2568         pentium4|pentium4m|prescott|nocona)
2569             cpuflags="-march=$cpu"
2570             enable cmov
2571             disable fast_cmov
2572         ;;
2573     esac
2574
2575 elif enabled sparc; then
2576
2577     case $cpu in
2578         niagara)
2579             cpuflags="-mcpu=$cpu"
2580             disable vis
2581         ;;
2582         sparc64)
2583             cpuflags="-mcpu=v9"
2584         ;;
2585     esac
2586
2587 elif enabled arm; then
2588
2589     case $cpu in
2590         armv*)
2591             cpuflags="-march=$cpu"
2592             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2593         ;;
2594         *)
2595             cpuflags="-mcpu=$cpu"
2596             case $cpu in
2597                 cortex-a*)                               subarch=armv7a  ;;
2598                 cortex-r*)                               subarch=armv7r  ;;
2599                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2600                 arm11*)                                  subarch=armv6   ;;
2601                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2602                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2603             esac
2604         ;;
2605     esac
2606
2607 elif enabled alpha; then
2608
2609     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2610
2611 elif enabled bfin; then
2612
2613     cpuflags="-mcpu=$cpu"
2614
2615 elif enabled mips; then
2616
2617     cpuflags="-march=$cpu"
2618
2619     case $cpu in
2620         24kc)
2621             disable mipsfpu
2622             disable mipsdspr1
2623             disable mipsdspr2
2624         ;;
2625         24kf*)
2626             disable mipsdspr1
2627             disable mipsdspr2
2628         ;;
2629         24kec|34kc|1004kc)
2630             disable mipsfpu
2631             disable mipsdspr2
2632         ;;
2633         24kef*|34kf*|1004kf*)
2634             disable mipsdspr2
2635         ;;
2636         74kc)
2637             disable mipsfpu
2638         ;;
2639     esac
2640
2641 elif enabled avr32; then
2642
2643     case $cpu in
2644         ap7[02]0[0-2])
2645             subarch="avr32_ap"
2646             cpuflags="-mpart=$cpu"
2647         ;;
2648         ap)
2649             subarch="avr32_ap"
2650             cpuflags="-march=$cpu"
2651         ;;
2652         uc3[ab]*)
2653             subarch="avr32_uc"
2654             cpuflags="-mcpu=$cpu"
2655         ;;
2656         uc)
2657             subarch="avr32_uc"
2658             cpuflags="-march=$cpu"
2659         ;;
2660     esac
2661
2662 fi
2663
2664 add_cflags $cpuflags
2665 add_asflags $cpuflags
2666
2667 # compiler sanity check
2668 check_exec <<EOF
2669 int main(void){ return 0; }
2670 EOF
2671 if test "$?" != 0; then
2672     echo "$cc is unable to create an executable file."
2673     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2674         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2675         echo "Only do this if you know what cross compiling means."
2676     fi
2677     die "C compiler test failed."
2678 fi
2679
2680 add_cppflags -D_ISOC99_SOURCE
2681 add_cxxflags -D__STDC_CONSTANT_MACROS
2682 check_cflags -std=c99
2683 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2684 #include <stdlib.h>
2685 EOF
2686 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2687 #include <stdlib.h>
2688 EOF
2689
2690 check_host_cflags -std=c99
2691 check_host_cflags -Wall
2692
2693 case "$arch" in
2694     alpha|ia64|mips|parisc|sparc)
2695         spic=$shared
2696     ;;
2697     x86)
2698         subarch="x86_32"
2699         check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2700         if test "$subarch" = "x86_64"; then
2701             spic=$shared
2702         fi
2703     ;;
2704     ppc)
2705         check_cc <<EOF && subarch="ppc64"
2706         int test[(int)sizeof(char*) - 7];
2707 EOF
2708     ;;
2709 esac
2710
2711 enable $subarch
2712 enabled spic && enable pic
2713
2714 # OS specific
2715 case $target_os in
2716     haiku)
2717         prefix_default="/boot/common"
2718         network_extralibs="-lnetwork"
2719         host_libs=
2720         ;;
2721     sunos)
2722         FFSERVERLDFLAGS=""
2723         SHFLAGS='-shared -Wl,-h,$$(@F)'
2724         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2725         network_extralibs="-lsocket -lnsl"
2726         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2727         # When using suncc to build, the Solaris linker will mark
2728         # an executable with each instruction set encountered by
2729         # the Solaris assembler.  As our libraries contain their own
2730         # guards for processor-specific code, instead suppress
2731         # generation of the HWCAPS ELF section on Solaris x86 only.
2732         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2733         nm_opts='-P -g'
2734         ;;
2735     netbsd)
2736         disable symver
2737         oss_indev_extralibs="-lossaudio"
2738         oss_outdev_extralibs="-lossaudio"
2739         ;;
2740     openbsd|bitrig)
2741         # On OpenBSD 4.5. the compiler does not use PIC unless
2742         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2743         # however the generated executable will not do anything
2744         # (simply quits with exit-code 1, no crash, no output).
2745         # Thus explicitly enable PIC here.
2746         enable pic
2747         disable symver
2748         SHFLAGS='-shared'
2749         SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2750         oss_indev_extralibs="-lossaudio"
2751         oss_outdev_extralibs="-lossaudio"
2752         ;;
2753     dragonfly)
2754         disable symver
2755         ;;
2756     freebsd)
2757         ;;
2758     bsd/os)
2759         add_extralibs -lpoll -lgnugetopt
2760         strip="strip -d"
2761         ;;
2762     darwin)
2763         gas="gas-preprocessor.pl $cc"
2764         enabled ppc && add_asflags -force_cpusubtype_ALL
2765         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2766         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2767         strip="${strip} -x"
2768         add_ldflags -Wl,-dynamic,-search_paths_first
2769         SLIBSUF=".dylib"
2770         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2771         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2772         FFSERVERLDFLAGS=-Wl,-bind_at_load
2773         objformat="macho"
2774         enabled x86_64 && objformat="macho64"
2775         enabled_any pic shared ||
2776             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2777         ;;
2778     mingw32*)
2779         if test $target_os = "mingw32ce"; then
2780             disable network
2781         else
2782             target_os=mingw32
2783         fi
2784         LIBTARGET=i386
2785         if enabled x86_64; then
2786             LIBTARGET=x64
2787         elif enabled arm; then
2788             LIBTARGET=arm-wince
2789         fi
2790         shlibdir_default="$bindir_default"
2791         SLIBPREF=""
2792         SLIBSUF=".dll"
2793         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2794         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2795         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2796         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2797         SLIB_INSTALL_LINKS=
2798         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2799         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2800         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'
2801         objformat="win32"
2802         enable dos_paths
2803         check_cflags -fno-common
2804         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2805                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2806                 die "ERROR: MinGW runtime version must be >= 3.15."
2807         add_cppflags -U__STRICT_ANSI__
2808         ;;
2809     cygwin*)
2810         target_os=cygwin
2811         shlibdir_default="$bindir_default"
2812         SLIBPREF="cyg"
2813         SLIBSUF=".dll"
2814         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2815         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2816         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2817         objformat="win32"
2818         enable dos_paths
2819         check_cflags -fno-common
2820         add_cppflags -U__STRICT_ANSI__
2821         ;;
2822     *-dos|freedos|opendos)
2823         network_extralibs="-lsocket"
2824         objformat="coff"
2825         enable dos_paths
2826         add_cppflags -U__STRICT_ANSI__
2827         ;;
2828     linux)
2829         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2830         enable dv1394
2831         ;;
2832     irix*)
2833         target_os=irix
2834         ranlib="echo ignoring ranlib"
2835         ;;
2836     os/2*)
2837         strip="lxlite -CS"
2838         ln_s="cp -f"
2839         objformat="aout"
2840         add_cppflags -D_GNU_SOURCE
2841         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2842         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2843         FFSERVERLDFLAGS=""
2844         LIBSUF="_s.a"
2845         SLIBPREF=""
2846         SLIBSUF=".dll"
2847         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2848         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2849         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2850           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2851           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2852           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2853           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2854           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2855         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2856           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2857         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2858         enable dos_paths
2859         enable_weak os2threads
2860         ;;
2861     gnu/kfreebsd)
2862         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2863         ;;
2864     gnu)
2865         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2866         ;;
2867     qnx)
2868         add_cppflags -D_QNX_SOURCE
2869         network_extralibs="-lsocket"
2870         ;;
2871     symbian)
2872         SLIBSUF=".dll"
2873         enable dos_paths
2874         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2875         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2876         add_ldflags -Wl,--target1-abs,--no-undefined \
2877                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2878                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2879         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2880                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2881                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2882         ;;
2883     none)
2884         ;;
2885     *)
2886         die "Unknown OS '$target_os'."
2887         ;;
2888 esac
2889
2890 esc(){
2891     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2892 }
2893
2894 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
2895
2896 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2897
2898 set_default $PATHS_LIST
2899
2900 # we need to build at least one lib type
2901 if ! enabled_any static shared; then
2902     cat <<EOF
2903 At least one library type must be built.
2904 Specify --enable-static to build the static libraries or --enable-shared to
2905 build the shared libraries as well. To only build the shared libraries specify
2906 --disable-static in addition to --enable-shared.
2907 EOF
2908     exit 1;
2909 fi
2910
2911 die_license_disabled() {
2912     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2913 }
2914
2915 die_license_disabled_gpl() {
2916     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
2917 }
2918
2919 die_license_disabled gpl libcdio
2920 die_license_disabled gpl libutvideo
2921 die_license_disabled gpl libx264
2922 die_license_disabled gpl libxavs
2923 die_license_disabled gpl libxvid
2924 die_license_disabled gpl x11grab
2925
2926 die_license_disabled nonfree libaacplus
2927 die_license_disabled nonfree libfaac
2928 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
2929 enabled gpl && die_license_disabled_gpl nonfree openssl
2930
2931 die_license_disabled version3 libopencore_amrnb
2932 die_license_disabled version3 libopencore_amrwb
2933 die_license_disabled version3 libvo_aacenc
2934 die_license_disabled version3 libvo_amrwbenc
2935
2936 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2937
2938 disabled optimizations || check_cflags -fomit-frame-pointer
2939
2940 enable_pic() {
2941     enable pic
2942     add_cppflags -DPIC
2943     add_cflags   -fPIC
2944     add_asflags  -fPIC
2945 }
2946
2947 enabled pic && enable_pic
2948
2949 check_cc <<EOF || die "Symbol mangling check failed."
2950 int ff_extern;
2951 EOF
2952 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2953 extern_prefix=${sym%%ff_extern*}
2954
2955 check_cc <<EOF && enable inline_asm
2956 void foo(void) { __asm__ volatile ("" ::); }
2957 EOF
2958
2959 _restrict=
2960 for restrict_keyword in restrict __restrict__ __restrict; do
2961     check_cc <<EOF && _restrict=$restrict_keyword && break
2962 void foo(char * $restrict_keyword p);
2963 EOF
2964 done
2965
2966 check_cc <<EOF && enable attribute_packed
2967 struct { int x; } __attribute__((packed)) x;
2968 EOF
2969
2970 check_cc <<EOF && enable attribute_may_alias
2971 union { int x; } __attribute__((may_alias)) x;
2972 EOF
2973
2974 check_cc <<EOF || die "endian test failed"
2975 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2976 EOF
2977 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2978
2979 if enabled alpha; then
2980
2981     check_cflags -mieee
2982
2983 elif enabled arm; then
2984
2985     enabled thumb && check_cflags -mthumb || check_cflags -marm
2986     nogas=die
2987
2988     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2989         enable vfp_args
2990     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2991         case "${cross_prefix:-$cc}" in
2992             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2993             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2994 __asm__ (".eabi_attribute 28, 1");
2995 int main(void) { return 0; }
2996 EOF
2997         esac
2998         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2999     fi
3000
3001     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
3002     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
3003     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
3004     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
3005     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
3006     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
3007
3008     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3009
3010     enabled_all armv6t2 shared !pic && enable_pic
3011
3012 elif enabled mips; then
3013
3014     check_asm loongson '"dmult.g $1, $2, $3"'
3015     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
3016     enabled mips32r2  && add_cflags "-mips32r2" &&
3017      check_asm mips32r2  '"rotr $t0, $t1, 1"'
3018     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3019      check_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3020     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3021      check_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3022     enabled mipsfpu   && add_cflags "-mhard-float" &&
3023      check_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
3024
3025
3026 elif enabled ppc; then
3027
3028     enable local_aligned_8 local_aligned_16
3029
3030     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3031     check_asm ibm_asm   '"add 0, 0, 0"'
3032     check_asm ppc4xx    '"maclhw r10, r11, r12"'
3033     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3034
3035     # AltiVec flags: The FSF version of GCC differs from the Apple version
3036     if enabled altivec; then
3037         nogas=warn
3038         check_cflags -maltivec -mabi=altivec &&
3039         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3040         check_cflags -faltivec
3041
3042         # check if our compiler supports Motorola AltiVec C API
3043         check_cc <<EOF || disable altivec
3044 $inc_altivec_h
3045 int main(void) {
3046     vector signed int v1, v2, v3;
3047     v1 = vec_add(v2,v3);
3048     return 0;
3049 }
3050 EOF
3051
3052         # check if our compiler supports braces for vector declarations
3053         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
3054 $inc_altivec_h
3055 int main (void) { (vector int) {1}; return 0; }
3056 EOF
3057     fi
3058
3059 elif enabled sparc; then
3060
3061     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3062         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3063
3064 elif enabled x86; then
3065
3066     check_code ld immintrin.h "__xgetbv(0)" "cc" && enable xgetbv
3067     check_code ld intrin.h "int info[4]; __cpuid(info, 0)" "cc" && enable cpuid
3068     check_code ld intrin.h "__rdtsc()" "cc" && enable rdtsc
3069     check_code ld intrin.h "unsigned int x = __readeflags()" "cc" && enable rweflags
3070
3071     check_code ld mmintrin.h "_mm_empty()" "cc" && enable mm_empty
3072
3073     enable local_aligned_8 local_aligned_16
3074
3075     # check whether EBP is available on x86
3076     # As 'i' is stored on the stack, this program will crash
3077     # if the base pointer is used to access it because the
3078     # base pointer is cleared in the inline assembly code.
3079     check_exec_crash <<EOF && enable ebp_available
3080     volatile int i=0;
3081     __asm__ volatile (
3082         "xorl %%ebp, %%ebp"
3083     ::: "%ebp");
3084     return i;
3085 EOF
3086
3087     # check whether EBX is available on x86
3088     check_asm ebx_available '""::"b"(0)' &&
3089         check_asm ebx_available '"":::"%ebx"'
3090
3091     # check whether xmm clobbers are supported
3092     check_asm xmm_clobbers '"":::"%xmm0"'
3093
3094     # check whether binutils is new enough to compile SSSE3/MMX2
3095     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
3096     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
3097
3098     if ! disabled_any asm mmx yasm; then
3099         if check_cmd $yasmexe --version; then
3100             enabled x86_64 && yasm_extra="-m amd64"
3101             yasm_debug="-g dwarf2"
3102         elif check_cmd nasm -v; then
3103             yasmexe=nasm
3104             yasm_debug="-g -F dwarf"
3105             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3106         fi
3107
3108         YASMFLAGS="-f $objformat $yasm_extra"
3109         enabled pic               && append YASMFLAGS "-DPIC"
3110         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3111         case "$objformat" in
3112             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3113         esac
3114
3115         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3116             die "yasm not found, use --disable-yasm for a crippled build"
3117         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3118     fi
3119
3120     case "$cpu" in
3121         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3122             disable fast_clz
3123         ;;
3124     esac
3125
3126 fi
3127
3128 if enabled asm; then
3129     as=${gas:=$as}
3130     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3131         $nogas "GNU assembler not found, install gas-preprocessor"
3132 fi
3133
3134 check_ldflags -Wl,--as-needed
3135
3136 if check_func dlopen; then
3137     ldl=
3138 elif check_func dlopen -ldl; then
3139     ldl=-ldl
3140 fi
3141
3142 if enabled network; then
3143     check_type "sys/types.h sys/socket.h" socklen_t
3144     check_type netdb.h "struct addrinfo"
3145     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3146     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3147     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3148     check_type netinet/in.h "struct sockaddr_in6"
3149     check_type poll.h "struct pollfd"
3150     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3151     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3152     check_header netinet/sctp.h
3153     check_func getaddrinfo $network_extralibs
3154     # Prefer arpa/inet.h over winsock2
3155     if check_header arpa/inet.h ; then
3156         check_func closesocket
3157     elif check_header winsock2.h ; then
3158         check_func_headers winsock2.h closesocket -lws2 &&
3159             network_extralibs="-lws2" ||
3160         { check_func_headers winsock2.h closesocket -lws2_32 &&
3161             network_extralibs="-lws2_32"; }
3162         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3163         check_type ws2tcpip.h socklen_t
3164         check_type ws2tcpip.h "struct addrinfo"
3165         check_type ws2tcpip.h "struct group_source_req"
3166         check_type ws2tcpip.h "struct ip_mreq_source"
3167         check_type ws2tcpip.h "struct ipv6_mreq"
3168         check_type winsock2.h "struct pollfd"
3169         check_type ws2tcpip.h "struct sockaddr_in6"
3170         check_type ws2tcpip.h "struct sockaddr_storage"
3171         check_struct winsock2.h "struct sockaddr" sa_len
3172     else
3173         disable network
3174     fi
3175 fi
3176
3177 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3178 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3179
3180 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3181 check_func  fcntl
3182 check_func  fork
3183 check_func  gethrtime
3184 check_func  getopt
3185 check_func  getrusage
3186 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3187 check_func  gettimeofday
3188 check_func  inet_aton $network_extralibs
3189 check_func  isatty
3190 check_func  localtime_r
3191 check_func  ${malloc_prefix}memalign            && enable memalign
3192 check_func  mkstemp
3193 check_func  mmap
3194 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3195 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
3196 check_func  setrlimit
3197 check_func  strerror_r
3198 check_func  strptime
3199 check_func  sched_getaffinity
3200 check_func  sysconf
3201 check_func  sysctl
3202 check_func  usleep
3203 check_func_headers conio.h kbhit
3204 check_func_headers windows.h PeekNamedPipe
3205 check_func_headers io.h setmode
3206 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3207 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3208 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3209 check_func_headers windows.h GetProcessAffinityMask
3210 check_func_headers windows.h GetProcessTimes
3211 check_func_headers windows.h GetSystemTimeAsFileTime
3212 check_func_headers windows.h MapViewOfFile
3213 check_func_headers windows.h Sleep
3214 check_func_headers windows.h VirtualAlloc
3215 check_func_headers glob.h glob
3216
3217 check_header dlfcn.h
3218 check_header dxva.h
3219 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3220 check_header libcrystalhd/libcrystalhd_if.h
3221 check_header malloc.h
3222 check_header poll.h
3223 check_header sys/mman.h
3224 check_header sys/param.h
3225 check_header sys/resource.h
3226 check_header sys/select.h
3227 check_header sys/time.h
3228 check_header termios.h
3229 check_header unistd.h
3230 check_header vdpau/vdpau.h
3231 check_header vdpau/vdpau_x11.h
3232 check_header windows.h
3233 check_header X11/extensions/XvMClib.h
3234 check_header asm/types.h
3235
3236 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3237 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3238
3239 # check for VDA header
3240 if ! disabled vda; then
3241     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3242         enable vda
3243         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3244     fi
3245 fi
3246
3247 if ! disabled w32threads && ! enabled pthreads; then
3248     check_func _beginthreadex && enable w32threads
3249 fi
3250
3251 # check for some common methods of building with pthread support
3252 # do this before the optional library checks as some of them require pthreads
3253 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3254     enable pthreads
3255     if check_func pthread_create; then
3256         :
3257     elif check_func pthread_create -pthread; then
3258         add_cflags -pthread
3259         add_extralibs -pthread
3260     elif check_func pthread_create -pthreads; then
3261         add_cflags -pthreads
3262         add_extralibs -pthreads
3263     elif check_func pthread_create -lpthreadGC2; then
3264         add_extralibs -lpthreadGC2
3265     elif ! check_lib pthread.h pthread_create -lpthread; then
3266         disable pthreads
3267     fi
3268 fi
3269
3270 for thread in $THREADS_LIST; do
3271     if enabled $thread; then
3272         test -n "$thread_type" &&
3273             die "ERROR: Only one thread type must be selected." ||
3274             thread_type="$thread"
3275     fi
3276 done
3277
3278 if enabled pthreads; then
3279   check_func pthread_cancel
3280 fi
3281
3282 check_lib math.h sin -lm && LIBM="-lm"
3283 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3284 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3285
3286 check_mathfunc cbrtf
3287 check_mathfunc exp2
3288 check_mathfunc exp2f
3289 check_mathfunc isinf
3290 check_mathfunc isnan
3291 check_mathfunc llrint
3292 check_mathfunc llrintf
3293 check_mathfunc log2
3294 check_mathfunc log2f
3295 check_mathfunc lrint
3296 check_mathfunc lrintf
3297 check_mathfunc rint
3298 check_mathfunc round
3299 check_mathfunc roundf
3300 check_mathfunc trunc
3301 check_mathfunc truncf
3302
3303 # these are off by default, so fail if requested and not available
3304 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3305 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3306 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3307 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3308 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
3309 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3310 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3311 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3312 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3313                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3314                         die "ERROR: libcelt version must be >= 0.11.0."; }
3315 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3316 enabled libfdk_aac && require  libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3317 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3318 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3319 enabled libilbc    && require  libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3320 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3321 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3322 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3323 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3324 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3325 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3326 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3327 enabled libopus    && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3328 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3329 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3330 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3331 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3332 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3333     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3334     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3335 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3336 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3337 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3338 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3339 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3340 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3341 enabled libvpx     && {
3342     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3343                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3344     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
3345                                 die "ERROR: libvpx encoder version must be >=0.9.7"; } }
3346 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3347                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3348                         die "ERROR: libx264 version must be >= 0.118."; }
3349 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3350 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3351 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3352                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3353                         die "ERROR: openal not found"; } &&
3354                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3355                         die "ERROR: openal version must be 1.1 or compatible"; }
3356 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3357                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3358                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3359                         die "ERROR: openssl not found"; }
3360
3361 # libdc1394 check
3362 if enabled libdc1394; then
3363     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3364         enable libdc1394_2; } ||
3365     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3366         enable libdc1394_1; } ||
3367     die "ERROR: No version of libdc1394 found "
3368 fi
3369
3370 SDL_CONFIG="${cross_prefix}sdl-config"
3371 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3372     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3373     enable sdl &&
3374     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3375 else
3376   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3377     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3378     sdl_libs=$("${SDL_CONFIG}" --libs)
3379     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3380     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3381     enable sdl &&
3382     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3383   fi
3384 fi
3385 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3386
3387 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
3388 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3389 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
3390
3391 check_header linux/fb.h
3392 check_header linux/videodev.h
3393 check_header linux/videodev2.h
3394 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3395
3396 check_header sys/videoio.h
3397
3398 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3399 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3400 # w32api 3.12 had it defined wrong
3401 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3402
3403 check_type "dshow.h" IBaseFilter
3404
3405 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3406 { check_header dev/bktr/ioctl_meteor.h &&
3407   check_header dev/bktr/ioctl_bt848.h; } ||
3408 { check_header machine/ioctl_meteor.h &&
3409   check_header machine/ioctl_bt848.h; } ||
3410 { check_header dev/video/meteor/ioctl_meteor.h &&
3411   check_header dev/video/bktr/ioctl_bt848.h; } ||
3412 check_header dev/ic/bt8xx.h
3413
3414 check_header sndio.h
3415 if check_struct sys/soundcard.h audio_buf_info bytes; then
3416     enable_safe sys/soundcard.h
3417 else
3418     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3419     #include <sys/soundcard.h>
3420     audio_buf_info abc;
3421 EOF
3422 fi
3423 check_header soundcard.h
3424
3425 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3426
3427 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
3428     check_func jack_port_get_latency_range -ljack
3429
3430 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3431
3432 enabled libcdio &&
3433     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3434
3435 enabled x11grab                                           &&
3436 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3437 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3438 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3439
3440 if ! disabled vaapi; then
3441     check_lib va/va.h vaInitialize -lva && {
3442         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3443         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3444     } || disable vaapi
3445 fi
3446
3447 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3448 check_cpp_condition \
3449     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3450     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3451       disable vdpau; }
3452 fi
3453
3454 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3455 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3456 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"
3457
3458 # add some useful compiler flags if supported
3459 check_cflags -Wdeclaration-after-statement
3460 check_cflags -Wall
3461 check_cflags -Wno-parentheses
3462 check_cflags -Wno-switch
3463 check_cflags -Wno-format-zero-length
3464 check_cflags -Wdisabled-optimization
3465 check_cflags -Wpointer-arith
3466 check_cflags -Wredundant-decls
3467 check_cflags -Wno-pointer-sign
3468 check_cflags -Wwrite-strings
3469 check_cflags -Wtype-limits
3470 check_cflags -Wundef
3471 check_cflags -Wmissing-prototypes
3472 check_cflags -Wno-pointer-to-int-cast
3473 check_cflags -Wstrict-prototypes
3474 enabled extra_warnings && check_cflags -Winline
3475
3476 # add some linker flags
3477 check_ldflags -Wl,--warn-common
3478 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3479 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3480
3481 enabled xmm_clobber_test &&
3482     check_ldflags -Wl,--wrap,avcodec_open2              \
3483                   -Wl,--wrap,avcodec_decode_audio4      \
3484                   -Wl,--wrap,avcodec_decode_video2      \
3485                   -Wl,--wrap,avcodec_decode_subtitle2   \
3486                   -Wl,--wrap,avcodec_encode_audio2      \
3487                   -Wl,--wrap,avcodec_encode_video       \
3488                   -Wl,--wrap,avcodec_encode_subtitle    \
3489                   -Wl,--wrap,sws_scale ||
3490     disable xmm_clobber_test
3491
3492 echo "X{};" > $TMPV
3493 if test_ldflags -Wl,--version-script,$TMPV; then
3494     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3495     check_cc <<EOF && enable symver_asm_label
3496 void ff_foo(void) __asm__ ("av_foo@VERSION");
3497 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3498 EOF
3499     check_cc <<EOF && enable symver_gnu_asm
3500 __asm__(".symver ff_foo,av_foo@VERSION");
3501 void ff_foo(void) {}
3502 EOF
3503 fi
3504
3505 if [ -n "$optflags" ]; then
3506     add_cflags $optflags
3507 elif enabled small; then
3508     add_cflags $size_cflags
3509 elif enabled optimizations; then
3510     add_cflags $speed_cflags
3511 else
3512     add_cflags $noopt_cflags
3513 fi
3514 check_cflags -fno-math-errno
3515 check_cflags -fno-signed-zeros
3516 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3517 int x;
3518 EOF
3519
3520
3521 if enabled icc; then
3522     # Just warnings, no remarks
3523     check_cflags -w1
3524     # -wd: Disable following warnings
3525     # 144, 167, 556: -Wno-pointer-sign
3526     # 1292: attribute "foo" ignored
3527     # 1419: external declaration in primary source file
3528     # 10006: ignoring unknown option -fno-signed-zeros
3529     # 10148: ignoring unknown option -Wno-parentheses
3530     # 10156: ignoring option '-W'; no argument required
3531     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3532     # 11030: Warning unknown option --as-needed
3533     # 10156: ignoring option '-export'; no argument required
3534     check_ldflags -wd10156,11030
3535     # Allow to compile with optimizations
3536     check_ldflags -march=$cpu
3537     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3538     enable ebp_available
3539     if enabled x86_32; then
3540         test ${icc_version%%.*} -ge 11 &&
3541             check_cflags -falign-stack=maintain-16-byte ||
3542             disable aligned_stack
3543     fi
3544 elif enabled ccc; then
3545     # disable some annoying warnings
3546     add_cflags -msg_disable cvtu32to64
3547     add_cflags -msg_disable embedcomment
3548     add_cflags -msg_disable needconstext
3549     add_cflags -msg_disable nomainieee
3550     add_cflags -msg_disable ptrmismatch1
3551     add_cflags -msg_disable unreachcode
3552 elif enabled gcc; then
3553     check_cflags -fno-tree-vectorize
3554     check_cflags -Werror=implicit-function-declaration
3555     check_cflags -Werror=missing-prototypes
3556 elif enabled llvm_gcc; then
3557     check_cflags -mllvm -stack-alignment=16
3558 elif enabled clang; then
3559     check_cflags -mllvm -stack-alignment=16
3560     check_cflags -Qunused-arguments
3561 elif enabled armcc; then
3562     # 2523: use of inline assembler is deprecated
3563     add_cflags -W${armcc_opt},--diag_suppress=2523
3564     add_cflags -W${armcc_opt},--diag_suppress=1207
3565     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3566     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3567     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3568     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3569 elif enabled tms470; then
3570     add_cflags -pds=824 -pds=837
3571 elif enabled pathscale; then
3572     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3573 fi
3574
3575 enabled_any $THREADS_LIST      && enable threads
3576
3577 check_deps $CONFIG_LIST       \
3578            $CONFIG_EXTRA      \
3579            $HAVE_LIST         \
3580            $ALL_COMPONENTS    \
3581            $ALL_TESTS         \
3582
3583 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3584
3585 if test $target_os = "haiku"; then
3586     disable memalign
3587     disable posix_memalign
3588 fi
3589
3590 ! enabled_any memalign posix_memalign aligned_malloc &&
3591     enabled_any $need_memalign && enable memalign_hack
3592
3593 # add_dep lib dep
3594 # -> enable ${lib}_deps_${dep}
3595 # -> add $dep to ${lib}_deps only once
3596 add_dep() {
3597     lib=$1
3598     dep=$2
3599     enabled "${lib}_deps_${dep}" && return 0
3600     enable  "${lib}_deps_${dep}"
3601     prepend "${lib}_deps" $dep
3602 }
3603
3604 # merge deps lib components
3605 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3606 merge_deps() {
3607     lib=$1
3608     shift
3609     for comp in $*; do
3610         enabled $comp || continue
3611         eval "dep=\"\$${comp}_deps\""
3612         for d in $dep; do
3613             add_dep $lib $d
3614         done
3615     done
3616 }
3617
3618 merge_deps libavfilter $FILTER_LIST
3619
3620 echo "install prefix            $prefix"
3621 echo "source path               $source_path"
3622 echo "C compiler                $cc"
3623 echo "ARCH                      $arch ($cpu)"
3624 if test "$build_suffix" != ""; then
3625     echo "build suffix              $build_suffix"
3626 fi
3627 if test "$progs_suffix" != ""; then
3628     echo "progs suffix              $progs_suffix"
3629 fi
3630 if test "$extra_version" != ""; then
3631     echo "version string suffix     $extra_version"
3632 fi
3633 echo "big-endian                ${bigendian-no}"
3634 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3635 if enabled x86; then
3636     echo "${yasmexe}                      ${yasm-no}"
3637     echo "MMX enabled               ${mmx-no}"
3638     echo "MMX2 enabled              ${mmx2-no}"
3639     echo "3DNow! enabled            ${amd3dnow-no}"
3640     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3641     echo "SSE enabled               ${sse-no}"
3642     echo "SSSE3 enabled             ${ssse3-no}"
3643     echo "AVX enabled               ${avx-no}"
3644     echo "CMOV enabled              ${cmov-no}"
3645     echo "CMOV is fast              ${fast_cmov-no}"
3646     echo "EBX available             ${ebx_available-no}"
3647     echo "EBP available             ${ebp_available-no}"
3648 fi
3649 if enabled arm; then
3650     echo "ARMv5TE enabled           ${armv5te-no}"
3651     echo "ARMv6 enabled             ${armv6-no}"
3652     echo "ARMv6T2 enabled           ${armv6t2-no}"
3653     echo "ARM VFP enabled           ${armvfp-no}"
3654     echo "NEON enabled              ${neon-no}"
3655 fi
3656 if enabled mips; then
3657     echo "MMI enabled               ${mmi-no}"
3658     echo "MIPS FPU enabled          ${mipsfpu-no}"
3659     echo "MIPS32R2 enabled          ${mips32r2-no}"
3660     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
3661     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
3662 fi
3663 if enabled ppc; then
3664     echo "AltiVec enabled           ${altivec-no}"
3665     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3666     echo "dcbzl available           ${dcbzl-no}"
3667 fi
3668 if enabled sparc; then
3669     echo "VIS enabled               ${vis-no}"
3670 fi
3671 echo "debug symbols             ${debug-no}"
3672 echo "strip symbols             ${stripping-no}"
3673 echo "optimize for size         ${small-no}"
3674 echo "optimizations             ${optimizations-no}"
3675 echo "static                    ${static-no}"
3676 echo "shared                    ${shared-no}"
3677 echo "postprocessing support    ${postproc-no}"
3678 echo "new filter support        ${avfilter-no}"
3679 echo "network support           ${network-no}"
3680 echo "threading support         ${thread_type-no}"
3681 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3682 echo "SDL support               ${sdl-no}"
3683 echo "libdxva2 enabled          ${dxva2-no}"
3684 echo "libva enabled             ${vaapi-no}"
3685 echo "libvdpau enabled          ${vdpau-no}"
3686 echo "AVISynth enabled          ${avisynth-no}"
3687 echo "frei0r enabled            ${frei0r-no}"
3688 echo "gnutls enabled            ${gnutls-no}"
3689 echo "libaacplus enabled        ${libaacplus-no}"
3690 echo "libass enabled            ${libass-no}"
3691 echo "libcdio support           ${libcdio-no}"
3692 echo "libcelt enabled           ${libcelt-no}"
3693 echo "libdc1394 support         ${libdc1394-no}"
3694 echo "libfaac enabled           ${libfaac-no}"
3695 echo "libfdk-aac enabled        ${libfdk_aac-no}"
3696 echo "libgsm enabled            ${libgsm-no}"
3697 echo "libiec61883 support       ${libiec61883-no}"
3698 echo "libilbc enabled           ${libilbc-no}"
3699 echo "libmodplug enabled        ${libmodplug-no}"
3700 echo "libmp3lame enabled        ${libmp3lame-no}"
3701 echo "libnut enabled            ${libnut-no}"
3702 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3703 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3704 echo "libopencv support         ${libopencv-no}"
3705 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3706 echo "libopus enabled           ${libopus-no}"
3707 echo "libpulse enabled          ${libpulse-no}"
3708 echo "librtmp enabled           ${librtmp-no}"
3709 echo "libschroedinger enabled   ${libschroedinger-no}"
3710 echo "libspeex enabled          ${libspeex-no}"
3711 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3712 echo "libtheora enabled         ${libtheora-no}"
3713 echo "libutvideo enabled        ${libutvideo-no}"
3714 echo "libv4l2 enabled           ${libv4l2-no}"
3715 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3716 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3717 echo "libvorbis enabled         ${libvorbis-no}"
3718 echo "libvpx enabled            ${libvpx-no}"
3719 echo "libx264 enabled           ${libx264-no}"
3720 echo "libxavs enabled           ${libxavs-no}"
3721 echo "libxvid enabled           ${libxvid-no}"
3722 echo "openal enabled            ${openal-no}"
3723 echo "openssl enabled           ${openssl-no}"
3724 echo "zlib enabled              ${zlib-no}"
3725 echo "bzlib enabled             ${bzlib-no}"
3726 echo "texi2html enabled         ${texi2html-no}"
3727 echo "pod2man enabled           ${pod2man-no}"
3728 echo "makeinfo enabled          ${makeinfo-no}"
3729 test -n "$random_seed" &&
3730     echo "random seed               ${random_seed}"
3731 echo
3732
3733 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3734     echo "Enabled ${type}s:"
3735     eval list=\$$(toupper $type)_LIST
3736     print_enabled '_*' $list | sort | pr -r -3 -t
3737     echo
3738 done
3739
3740 license="LGPL version 2.1 or later"
3741 if enabled nonfree; then
3742     license="nonfree and unredistributable"
3743 elif enabled gplv3; then
3744     license="GPL version 3 or later"
3745 elif enabled lgplv3; then
3746     license="LGPL version 3 or later"
3747 elif enabled gpl; then
3748     license="GPL version 2 or later"
3749 fi
3750
3751 echo "License: $license"
3752
3753 echo "Creating config.mak and config.h..."
3754
3755 test -e Makefile || $ln_s "$source_path/Makefile" .
3756
3757 enabled stripping || strip="echo skipping strip"
3758
3759 config_files="$TMPH config.mak"
3760
3761 cat > config.mak <<EOF
3762 # Automatically generated by configure - do not modify!
3763 ifndef FFMPEG_CONFIG_MAK
3764 FFMPEG_CONFIG_MAK=1
3765 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3766 prefix=$prefix
3767 LIBDIR=\$(DESTDIR)$libdir
3768 SHLIBDIR=\$(DESTDIR)$shlibdir
3769 INCDIR=\$(DESTDIR)$incdir
3770 BINDIR=\$(DESTDIR)$bindir
3771 DATADIR=\$(DESTDIR)$datadir
3772 MANDIR=\$(DESTDIR)$mandir
3773 SRC_PATH=$source_path
3774 ifndef MAIN_MAKEFILE
3775 SRC_PATH:=\$(SRC_PATH:.%=..%)
3776 endif
3777 CC_IDENT=$cc_ident
3778 ARCH=$arch
3779 CC=$cc
3780 CXX=$cxx
3781 AS=$as
3782 LD=$ld
3783 DEPCC=$dep_cc
3784 YASM=$yasmexe
3785 YASMDEP=$yasmexe
3786 AR=$ar
3787 RANLIB=$ranlib
3788 CP=cp -p
3789 LN_S=$ln_s
3790 STRIP=$strip
3791 CPPFLAGS=$CPPFLAGS
3792 CFLAGS=$CFLAGS
3793 CXXFLAGS=$CXXFLAGS
3794 ASFLAGS=$ASFLAGS
3795 AS_O=$CC_O
3796 CC_O=$CC_O
3797 CXX_O=$CXX_O
3798 LDFLAGS=$LDFLAGS
3799 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3800 SHFLAGS=$SHFLAGS
3801 YASMFLAGS=$YASMFLAGS
3802 BUILDSUF=$build_suffix
3803 PROGSSUF=$progs_suffix
3804 FULLNAME=$FULLNAME
3805 LIBPREF=$LIBPREF
3806 LIBSUF=$LIBSUF
3807 LIBNAME=$LIBNAME
3808 SLIBPREF=$SLIBPREF
3809 SLIBSUF=$SLIBSUF
3810 EXESUF=$EXESUF
3811 EXTRA_VERSION=$extra_version
3812 DEPFLAGS=$DEPFLAGS
3813 CCDEP=$CCDEP
3814 CXXDEP=$CXXDEP
3815 ASDEP=$ASDEP
3816 CC_DEPFLAGS=$CC_DEPFLAGS
3817 AS_DEPFLAGS=$AS_DEPFLAGS
3818 HOSTCC=$host_cc
3819 HOSTCFLAGS=$host_cflags
3820 HOSTEXESUF=$HOSTEXESUF
3821 HOSTLDFLAGS=$host_ldflags
3822 HOSTLIBS=$host_libs
3823 TARGET_EXEC=$target_exec
3824 TARGET_PATH=$target_path
3825 SDL_LIBS=$sdl_libs
3826 SDL_CFLAGS=$sdl_cflags
3827 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3828 EXTRALIBS=$extralibs
3829 INSTALL=$install
3830 LIBTARGET=${LIBTARGET}
3831 SLIBNAME=${SLIBNAME}
3832 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3833 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3834 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3835 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3836 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3837 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3838 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3839 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3840 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3841 NOREDZONE_FLAGS=$noredzone_flags
3842 EOF
3843
3844 get_version(){
3845     lcname=$1
3846     name=$(toupper $lcname)
3847     file=$source_path/$lcname/version.h
3848     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3849     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3850     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3851     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3852 }
3853
3854 get_version_old(){
3855     name=$1
3856     file=$source_path/$2
3857 # This condition will be removed when we stop supporting old libpostproc versions
3858 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3859     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3860     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3861 fi
3862     lcname=$(tolower $name)
3863     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3864     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3865 }
3866
3867 get_version_old LIBPOSTPROC libpostproc/postprocess.h
3868 get_version_old LIBSWRESAMPLE libswresample/swresample.h
3869
3870 get_version libavcodec
3871 get_version libavdevice
3872 get_version libavfilter
3873 get_version libavformat
3874 get_version libavresample
3875 get_version libavutil
3876 get_version libswscale
3877
3878 cat > $TMPH <<EOF
3879 /* Automatically generated by configure - do not modify! */
3880 #ifndef FFMPEG_CONFIG_H
3881 #define FFMPEG_CONFIG_H
3882 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3883 #define FFMPEG_LICENSE "$(c_escape $license)"
3884 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3885 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3886 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
3887 #define av_restrict $_restrict
3888 #define EXTERN_PREFIX "${extern_prefix}"
3889 #define EXTERN_ASM ${extern_prefix}
3890 #define SLIBSUF "$SLIBSUF"
3891 EOF
3892
3893 test -n "$assert_level" &&
3894     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
3895
3896 test -n "$malloc_prefix" &&
3897     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3898
3899 if enabled yasm; then
3900     append config_files $TMPASM
3901     printf '' >$TMPASM
3902 fi
3903
3904 print_config ARCH_   "$config_files" $ARCH_LIST
3905 print_config HAVE_   "$config_files" $HAVE_LIST
3906 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3907                                      $CONFIG_EXTRA      \
3908                                      $ALL_COMPONENTS    \
3909
3910 cat >>config.mak <<EOF
3911 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3912 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3913 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3914 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3915 EOF
3916
3917 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3918 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3919
3920 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3921 cp_if_changed $TMPH config.h
3922 touch .config
3923
3924 enabled yasm && cp_if_changed $TMPASM config.asm
3925
3926 cat > $TMPH <<EOF
3927 /* Generated by ffconf */
3928 #ifndef AVUTIL_AVCONFIG_H
3929 #define AVUTIL_AVCONFIG_H
3930 EOF
3931
3932 test "$postproc_version" != current && cat >> $TMPH <<EOF
3933 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3934 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3935 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3936 EOF
3937
3938 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3939
3940 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3941
3942 cp_if_changed $TMPH libavutil/avconfig.h
3943
3944 test -n "$WARNINGS" && printf "\n$WARNINGS"
3945
3946 # build pkg-config files
3947
3948 pkgconfig_generate(){
3949 name=$1
3950 shortname=${name#lib}${build_suffix}
3951 comment=$2
3952 version=$3
3953 libs=$4
3954 requires=$5
3955 enabled ${name#lib} || return 0
3956 mkdir -p $name
3957 cat <<EOF > $name/$name.pc
3958 prefix=$prefix
3959 exec_prefix=\${prefix}
3960 libdir=$libdir
3961 includedir=$incdir
3962
3963 Name: $name
3964 Description: $comment
3965 Version: $version
3966 Requires: $(enabled shared || echo $requires)
3967 Requires.private: $(enabled shared && echo $requires)
3968 Conflicts:
3969 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3970 Libs.private: $(enabled shared && echo $libs)
3971 Cflags: -I\${includedir}
3972 EOF
3973
3974 mkdir -p doc/examples/pc-uninstalled
3975 includedir=${source_path}
3976 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
3977 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
3978 prefix=
3979 exec_prefix=
3980 libdir=\${pcfiledir}/../../../$name
3981 includedir=${includedir}
3982
3983 Name: $name
3984 Description: $comment
3985 Version: $version
3986 Requires: $requires
3987 Conflicts:
3988 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3989 Cflags: -I\${includedir}
3990 EOF
3991 }
3992
3993 libavfilter_pc_deps=""
3994 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3995 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3996 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3997 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3998 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3999 libavfilter_pc_deps=${libavfilter_pc_deps%, }
4000
4001 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
4002 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
4003
4004 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4005 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
4006 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
4007 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
4008 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
4009 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
4010 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
4011 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4012 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"