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 video filter support [no]
 115   --disable-pthreads       disable pthreads [auto]
 116   --disable-w32threads     disable Win32 threads [auto]
 117   --disable-os2threads     disable OS/2 threads [auto]
 118   --enable-x11grab         enable X11 grabbing [no]
 119   --disable-network        disable network support [no]
 120   --disable-dct            disable DCT code
 121   --disable-mdct           disable MDCT code
 122   --disable-rdft           disable RDFT code
 123   --disable-fft            disable FFT code
 124   --enable-dxva2           enable DXVA2 code
 125   --enable-vaapi           enable VAAPI code [autodetect]
 126   --enable-vda             enable VDA code   [autodetect]
 127   --enable-vdpau           enable VDPAU code [autodetect]
 128
 129 Individual component options:
 130   --disable-everything     disable all components listed below
 131   --disable-encoder=NAME   disable encoder NAME
 132   --enable-encoder=NAME    enable encoder NAME
 133   --disable-encoders       disable all encoders
 134   --disable-decoder=NAME   disable decoder NAME
 135   --enable-decoder=NAME    enable decoder NAME
 136   --disable-decoders       disable all decoders
 137   --disable-hwaccel=NAME   disable hwaccel NAME
 138   --enable-hwaccel=NAME    enable hwaccel NAME
 139   --disable-hwaccels       disable all hwaccels
 140   --disable-muxer=NAME     disable muxer NAME
 141   --enable-muxer=NAME      enable muxer NAME
 142   --disable-muxers         disable all muxers
 143   --disable-demuxer=NAME   disable demuxer NAME
 144   --enable-demuxer=NAME    enable demuxer NAME
 145   --disable-demuxers       disable all demuxers
 146   --enable-parser=NAME     enable parser NAME
 147   --disable-parser=NAME    disable parser NAME
 148   --disable-parsers        disable all parsers
 149   --enable-bsf=NAME        enable bitstream filter NAME
 150   --disable-bsf=NAME       disable bitstream filter NAME
 151   --disable-bsfs           disable all bitstream filters
 152   --enable-protocol=NAME   enable protocol NAME
 153   --disable-protocol=NAME  disable protocol NAME
 154   --disable-protocols      disable all protocols
 155   --enable-indev=NAME      enable input device NAME
 156   --disable-indev=NAME     disable input device NAME
 157   --disable-indevs         disable input devices
 158   --enable-outdev=NAME     enable output device NAME
 159   --disable-outdev=NAME    disable output device NAME
 160   --disable-outdevs        disable output devices
 161   --disable-devices        disable all devices
 162   --enable-filter=NAME     enable filter NAME
 163   --disable-filter=NAME    disable filter NAME
 164   --disable-filters        disable all filters
 165
 166 External library support:
 167   --enable-avisynth        enable reading of AVISynth script files [no]
 168   --enable-bzlib           enable bzlib [autodetect]
 169   --enable-frei0r          enable frei0r video filtering
 170   --enable-gnutls          enable gnutls [no]
 171   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
 172   --enable-libass          enable libass subtitles rendering [no]
 173   --enable-libbluray       enable BluRay reading using libbluray [no]
 174   --enable-libcelt         enable CELT decoding via libcelt [no]
 175   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 176   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 177   --enable-libopencv       enable video filtering via libopencv [no]
 178   --enable-libcdio         enable audio CD grabbing with libcdio
 179   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 180                            and libraw1394 [no]
 181   --enable-libdirac        enable Dirac support via libdirac [no]
 182   --enable-libfaac         enable FAAC support via libfaac [no]
 183   --enable-libfreetype     enable libfreetype [no]
 184   --enable-libgsm          enable GSM support via libgsm [no]
 185   --enable-libmodplug      enable ModPlug via libmodplug [no]
 186   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
 187   --enable-libnut          enable NUT (de)muxing via libnut,
 188                            native (de)muxer exists [no]
 189   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
 190   --enable-libpulse        enable Pulseaudio input via libpulse [no]
 191   --enable-librtmp         enable RTMP[E] support via librtmp [no]
 192   --enable-libschroedinger enable Dirac support via libschroedinger [no]
 193   --enable-libspeex        enable Speex support via libspeex [no]
 194   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
 195   --enable-libtheora       enable Theora encoding via libtheora [no]
 196   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
 197   --enable-libv4l2         enable libv4l2/v4l-utils [no]
 198   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
 199   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
 200   --enable-libvorbis       enable Vorbis encoding via libvorbis,
 201                            native implementation exists [no]
 202   --enable-libvpx          enable VP8 support via libvpx [no]
 203   --enable-libx264         enable H.264 encoding via x264 [no]
 204   --enable-libxavs         enable AVS encoding via xavs [no]
 205   --enable-libxvid         enable Xvid encoding via xvidcore,
 206                            native MPEG-4/Xvid encoder exists [no]
 207   --enable-openal          enable OpenAL 1.1 capture support [no]
 208   --enable-openssl         enable openssl [no]
 209   --enable-zlib            enable zlib [autodetect]
 210
 211 Advanced options (experts only):
 212   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
 213   --enable-cross-compile   assume a cross-compiler is used
 214   --sysroot=PATH           root of cross-build tree
 215   --sysinclude=PATH        location of cross-build system headers
 216   --target-os=OS           compiler targets OS [$target_os]
 217   --target-exec=CMD        command to run executables on target
 218   --target-path=DIR        path to view of build directory on target
 219   --nm=NM                  use nm tool NM [$nm_default]
 220   --ar=AR                  use archive tool AR [$ar_default]
 221   --as=AS                  use assembler AS [$as_default]
 222   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
 223   --cc=CC                  use C compiler CC [$cc_default]
 224   --cxx=CXX                use C compiler CXX [$cxx_default]
 225   --ld=LD                  use linker LD [$ld_default]
 226   --host-cc=HOSTCC         use host C compiler HOSTCC
 227   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 228   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 229   --host-libs=HLIBS        use libs HLIBS when linking for host
 230   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 231   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
 232   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
 233   --extra-libs=ELIBS       add ELIBS [$ELIBS]
 234   --extra-version=STRING   version string suffix []
 235   --optflags               override optimization-related compiler flags
 236   --build-suffix=SUFFIX    library name suffix []
 237   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
 238   --progs-suffix=SUFFIX    program name suffix []
 239   --arch=ARCH              select architecture [$arch]
 240   --cpu=CPU                select the minimum required CPU (affects
 241                            instruction selection, may crash on older CPUs)
 242   --enable-pic             build position-independent code
 243   --enable-sram            allow use of on-chip SRAM
 244   --disable-symver         disable symbol versioning
 245   --disable-fastdiv        disable table-based division
 246   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 247   --disable-safe-bitstream-reader
 248                            disable buffer boundary checking in bitreaders
 249                            (faster, but may crash)
 250   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 251
 252 Optimization options (experts only):
 253   --disable-asm            disable all assembler optimizations
 254   --disable-altivec        disable AltiVec optimizations
 255   --disable-amd3dnow       disable 3DNow! optimizations
 256   --disable-amd3dnowext    disable 3DNow! extended optimizations
 257   --disable-mmx            disable MMX optimizations
 258   --disable-mmx2           disable MMX2 optimizations
 259   --disable-sse            disable SSE optimizations
 260   --disable-ssse3          disable SSSE3 optimizations
 261   --disable-avx            disable AVX optimizations
 262   --disable-armv5te        disable armv5te optimizations
 263   --disable-armv6          disable armv6 optimizations
 264   --disable-armv6t2        disable armv6t2 optimizations
 265   --disable-armvfp         disable ARM VFP optimizations
 266   --disable-mmi            disable MMI optimizations
 267   --disable-neon           disable NEON optimizations
 268   --disable-vis            disable VIS optimizations
 269   --disable-yasm           disable use of yasm assembler
 270   --postproc-version=V     build libpostproc version V.
 271                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
 272
 273 Developer options (useful when working on FFmpeg itself):
 274   --enable-coverage        build with test coverage instrumentation
 275   --disable-debug          disable debugging symbols
 276   --enable-debug=LEVEL     set the debug level [$debuglevel]
 277   --disable-optimizations  disable compiler optimizations
 278   --enable-extra-warnings  enable more compiler warnings
 279   --disable-stripping      disable stripping of executables and shared libraries
 280   --assert_level=level     0(default), 1 or 2, amount of assertion testing,
 281                            2 causes a slowdown at runtime.
 282   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
 283                            leaks and errors, using the specified valgrind binary.
 284                            Cannot be combined with --target-exec
 285   --samples=PATH           location of test samples for FATE, if not set use
 286                            \$FATE_SAMPLES at make invocation time.
 287   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
 288                            should be used only for debugging purposes)
 289
 290 NOTE: Object files are built at the place where configure is launched.
 291 EOF
 292   exit 0
 293 }
 294
 295 quotes='""'
 296
 297 log(){
 298     echo "$@" >> $logfile
 299 }
 300
 301 log_file(){
 302     log BEGIN $1
 303     pr -n -t $1 >> $logfile
 304     log END $1
 305 }
 306
 307 echolog(){
 308     log "$@"
 309     echo "$@"
 310 }
 311
 312 warn(){
 313     log "WARNING: $*"
 314     WARNINGS="${WARNINGS}WARNING: $*\n"
 315 }
 316
 317 die(){
 318     echolog "$@"
 319     cat <<EOF
 320
 321 If you think configure made a mistake, make sure you are using the latest
 322 version from Git.  If the latest version fails, report the problem to the
 323 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 324 EOF
 325     if disabled logging; then
 326         cat <<EOF
 327 Rerun configure with logging enabled (do not use --disable-logging), and
 328 include the log this produces with your report.
 329 EOF
 330     else
 331 cat <<EOF
 332 Include the log file "$logfile" produced by configure as this will help
 333 solving the problem.
 334 EOF
 335     fi
 336     exit 1
 337 }
 338
 339 # Avoid locale weirdness, besides we really just want to translate ASCII.
 340 toupper(){
 341     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 342 }
 343
 344 tolower(){
 345     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 346 }
 347
 348 c_escape(){
 349     echo "$*" | sed 's/["\\]/\\\0/g'
 350 }
 351
 352 sh_quote(){
 353     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 354     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 355     echo "$v"
 356 }
 357
 358 cleanws(){
 359     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 360 }
 361
 362 filter(){
 363     pat=$1
 364     shift
 365     for v; do
 366         eval "case $v in $pat) echo $v ;; esac"
 367     done
 368 }
 369
 370 filter_out(){
 371     pat=$1
 372     shift
 373     for v; do
 374         eval "case $v in $pat) ;; *) echo $v ;; esac"
 375     done
 376 }
 377
 378 map(){
 379     m=$1
 380     shift
 381     for v; do eval $m; done
 382 }
 383
 384 set_all(){
 385     value=$1
 386     shift
 387     for var in $*; do
 388         eval $var=$value
 389     done
 390 }
 391
 392 set_weak(){
 393     value=$1
 394     shift
 395     for var; do
 396         eval : \${$var:=$value}
 397     done
 398 }
 399
 400 set_safe(){
 401     var=$1
 402     shift
 403     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 404 }
 405
 406 get_safe(){
 407     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 408 }
 409
 410 pushvar(){
 411     for var in $*; do
 412         eval level=\${${var}_level:=0}
 413         eval ${var}_${level}="\$$var"
 414         eval ${var}_level=$(($level+1))
 415     done
 416 }
 417
 418 popvar(){
 419     for var in $*; do
 420         eval level=\${${var}_level:-0}
 421         test $level = 0 && continue
 422         eval level=$(($level-1))
 423         eval $var="\${${var}_${level}}"
 424         eval ${var}_level=$level
 425         eval unset ${var}_${level}
 426     done
 427 }
 428
 429 enable(){
 430     set_all yes $*
 431 }
 432
 433 disable(){
 434     set_all no $*
 435 }
 436
 437 enable_weak(){
 438     set_weak yes $*
 439 }
 440
 441 disable_weak(){
 442     set_weak no $*
 443 }
 444
 445 enable_safe(){
 446     for var; do
 447         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 448     done
 449 }
 450
 451 disable_safe(){
 452     for var; do
 453         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 454     done
 455 }
 456
 457 do_enable_deep(){
 458     for var; do
 459         enabled $var && continue
 460         eval sel="\$${var}_select"
 461         eval sgs="\$${var}_suggest"
 462         pushvar var sgs
 463         enable_deep $sel
 464         popvar sgs
 465         enable_deep_weak $sgs
 466         popvar var
 467     done
 468 }
 469
 470 enable_deep(){
 471     do_enable_deep $*
 472     enable $*
 473 }
 474
 475 enable_deep_weak(){
 476     do_enable_deep $*
 477     enable_weak $*
 478 }
 479
 480 enabled(){
 481     test "${1#!}" = "$1" && op== || op=!=
 482     eval test "x\$${1#!}" $op "xyes"
 483 }
 484
 485 disabled(){
 486     test "${1#!}" = "$1" && op== || op=!=
 487     eval test "x\$${1#!}" $op "xno"
 488 }
 489
 490 enabled_all(){
 491     for opt; do
 492         enabled $opt || return 1
 493     done
 494 }
 495
 496 disabled_all(){
 497     for opt; do
 498         disabled $opt || return 1
 499     done
 500 }
 501
 502 enabled_any(){
 503     for opt; do
 504         enabled $opt && return 0
 505     done
 506 }
 507
 508 disabled_any(){
 509     for opt; do
 510         disabled $opt && return 0
 511     done
 512     return 1
 513 }
 514
 515 set_default(){
 516     for opt; do
 517         eval : \${$opt:=\$${opt}_default}
 518     done
 519 }
 520
 521 is_in(){
 522     value=$1
 523     shift
 524     for var in $*; do
 525         [ $var = $value ] && return 0
 526     done
 527     return 1
 528 }
 529
 530 check_deps(){
 531     for cfg; do
 532         cfg="${cfg#!}"
 533         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 534         disabled ${cfg}_checking && continue
 535         enable ${cfg}_checking
 536
 537         eval dep_all="\$${cfg}_deps"
 538         eval dep_any="\$${cfg}_deps_any"
 539         eval dep_sel="\$${cfg}_select"
 540         eval dep_sgs="\$${cfg}_suggest"
 541         eval dep_ifa="\$${cfg}_if"
 542         eval dep_ifn="\$${cfg}_if_any"
 543
 544         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 545         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 546         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 547
 548         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 549         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 550         enabled_all  $dep_all || disable $cfg
 551         enabled_any  $dep_any || disable $cfg
 552         disabled_any $dep_sel && disable $cfg
 553
 554         if enabled $cfg; then
 555             eval dep_extralibs="\$${cfg}_extralibs"
 556             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 557             enable_deep $dep_sel
 558             enable_deep_weak $dep_sgs
 559         fi
 560
 561         disable ${cfg}_checking
 562     done
 563 }
 564
 565 print_config_h(){
 566     enabled $1 && v=1 || v=0
 567     echo "#define $2 $v"
 568 }
 569
 570 print_config_mak(){
 571     enabled $1 && v= || v=!
 572     echo "$v$2=yes"
 573 }
 574
 575 print_config_asm(){
 576     enabled $1 && v=1 || v=0
 577     echo "%define $2 $v"
 578 }
 579
 580 print_config(){
 581     pfx=$1
 582     files=$2
 583     shift 2
 584     for cfg; do
 585         ucname="$(toupper $cfg)"
 586         for f in $files; do
 587             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 588         done
 589     done
 590 }
 591
 592 print_enabled(){
 593     test "$1" = -n && end=" " && shift || end="\n"
 594     suf=$1
 595     shift
 596     for v; do
 597         enabled $v && printf "%s$end" ${v%$suf};
 598     done
 599 }
 600
 601 append(){
 602     var=$1
 603     shift
 604     eval "$var=\"\$$var $*\""
 605 }
 606
 607 prepend(){
 608     var=$1
 609     shift
 610     eval "$var=\"$* \$$var\""
 611 }
 612
 613 add_cppflags(){
 614     append CPPFLAGS $($filter_cppflags "$@")
 615 }
 616
 617 add_cflags(){
 618     append CFLAGS $($filter_cflags "$@")
 619 }
 620
 621 add_cxxflags(){
 622     append CXXFLAGS $($filter_cflags "$@")
 623 }
 624
 625 add_asflags(){
 626     append ASFLAGS $($filter_asflags "$@")
 627 }
 628
 629 add_ldflags(){
 630     append LDFLAGS "$@"
 631 }
 632
 633 add_extralibs(){
 634     prepend extralibs "$@"
 635 }
 636
 637 check_cmd(){
 638     log "$@"
 639     "$@" >> $logfile 2>&1
 640 }
 641
 642 check_cc(){
 643     log check_cc "$@"
 644     cat > $TMPC
 645     log_file $TMPC
 646     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 647 }
 648
 649 check_cxx(){
 650     log check_cxx "$@"
 651     cat > $TMPCPP
 652     log_file $TMPCPP
 653     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
 654 }
 655
 656 check_cpp(){
 657     log check_cpp "$@"
 658     cat > $TMPC
 659     log_file $TMPC
 660     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 661 }
 662
 663 check_as(){
 664     log check_as "$@"
 665     cat > $TMPC
 666     log_file $TMPC
 667     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 668 }
 669
 670 check_asm(){
 671     log check_asm "$@"
 672     name="$1"
 673     code="$2"
 674     shift 2
 675     disable $name
 676     check_as "$@" <<EOF && enable $name
 677 void foo(void){ __asm__ volatile($code); }
 678 EOF
 679 }
 680
 681 check_yasm(){
 682     log check_yasm "$@"
 683     echo "$1" > $TMPS
 684     log_file $TMPS
 685     shift 1
 686     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 687 }
 688
 689 check_ld(){
 690     log check_ld "$@"
 691     type=$1
 692     shift 1
 693     flags=''
 694     libs=''
 695     for f; do
 696         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 697     done
 698     check_$type $($filter_cflags $flags) || return
 699     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
 700 }
 701
 702 check_cppflags(){
 703     log check_cppflags "$@"
 704     set -- $($filter_cppflags "$@")
 705     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 706 int x;
 707 EOF
 708 }
 709
 710 check_cflags(){
 711     log check_cflags "$@"
 712     set -- $($filter_cflags "$@")
 713     check_cc "$@" <<EOF && append CFLAGS "$@"
 714 int x;
 715 EOF
 716 }
 717
 718 check_cxxflags(){
 719     log check_cxxflags "$@"
 720     set -- $($filter_cflags "$@")
 721     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 722 int x;
 723 EOF
 724 }
 725
 726 test_ldflags(){
 727     log test_ldflags "$@"
 728     check_ld "cc" "$@" <<EOF
 729 int main(void){ return 0; }
 730 EOF
 731 }
 732
 733 check_ldflags(){
 734     log check_ldflags "$@"
 735     test_ldflags "$@" && add_ldflags "$@"
 736 }
 737
 738 check_header(){
 739     log check_header "$@"
 740     header=$1
 741     shift
 742     disable_safe $header
 743     check_cpp "$@" <<EOF && enable_safe $header
 744 #include <$header>
 745 int x;
 746 EOF
 747 }
 748
 749 check_func(){
 750     log check_func "$@"
 751     func=$1
 752     shift
 753     disable $func
 754     check_ld "cc" "$@" <<EOF && enable $func
 755 extern int $func();
 756 int main(void){ $func(); }
 757 EOF
 758 }
 759
 760 check_mathfunc(){
 761     log check_mathfunc "$@"
 762     func=$1
 763     shift
 764     disable $func
 765     check_ld "cc" "$@" <<EOF && enable $func
 766 #include <math.h>
 767 float foo(float f) { return $func(f); }
 768 int main(void){ return (int) foo; }
 769 EOF
 770 }
 771
 772 check_func_headers(){
 773     log check_func_headers "$@"
 774     headers=$1
 775     funcs=$2
 776     shift 2
 777     {
 778         for hdr in $headers; do
 779             echo "#include <$hdr>"
 780         done
 781         for func in $funcs; do
 782             echo "long check_$func(void) { return (long) $func; }"
 783         done
 784         echo "int main(void) { return 0; }"
 785     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 786 }
 787
 788 check_class_headers_cpp(){
 789     log check_class_headers_cpp "$@"
 790     headers=$1
 791     classes=$2
 792     shift 2
 793     {
 794         for hdr in $headers; do
 795             echo "#include <$hdr>"
 796         done
 797         echo "int main(void) { "
 798         i=1
 799         for class in $classes; do
 800             echo "$class obj$i;"
 801             i=$(expr $i + 1)
 802         done
 803         echo "return 0; }"
 804     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 805 }
 806
 807 check_cpp_condition(){
 808     log check_cpp_condition "$@"
 809     header=$1
 810     condition=$2
 811     shift 2
 812     check_cpp $($filter_cppflags "$@") <<EOF
 813 #include <$header>
 814 #if !($condition)
 815 #error "unsatisfied condition: $condition"
 816 #endif
 817 EOF
 818 }
 819
 820 check_lib(){
 821     log check_lib "$@"
 822     header="$1"
 823     func="$2"
 824     shift 2
 825     check_header $header && check_func $func "$@" && add_extralibs "$@"
 826 }
 827
 828 check_lib2(){
 829     log check_lib2 "$@"
 830     headers="$1"
 831     funcs="$2"
 832     shift 2
 833     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 834 }
 835
 836 check_lib_cpp(){
 837     log check_lib_cpp "$@"
 838     headers="$1"
 839     classes="$2"
 840     shift 2
 841     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 842 }
 843
 844 check_pkg_config(){
 845     log check_pkg_config "$@"
 846     pkg="$1"
 847     headers="$2"
 848     funcs="$3"
 849     shift 3
 850     $pkg_config --exists $pkg 2>/dev/null || return
 851     pkg_cflags=$($pkg_config --cflags $pkg)
 852     pkg_libs=$($pkg_config --libs $pkg)
 853     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 854         set_safe ${pkg}_cflags $pkg_cflags   &&
 855         set_safe ${pkg}_libs   $pkg_libs
 856 }
 857
 858 check_exec(){
 859     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 860 }
 861
 862 check_exec_crash(){
 863     code=$(cat)
 864
 865     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 866     # are safe but may not be available everywhere.  Thus we use
 867     # raise(SIGTERM) instead.  The check is run in a subshell so we
 868     # can redirect the "Terminated" message from the shell.  SIGBUS
 869     # is not defined by standard C so it is used conditionally.
 870
 871     (check_exec "$@") >> $logfile 2>&1 <<EOF
 872 #include <signal.h>
 873 static void sighandler(int sig){
 874     raise(SIGTERM);
 875 }
 876 int func(void){
 877     $code
 878 }
 879 int (*func_ptr)(void) = func;
 880 int main(void){
 881     signal(SIGILL, sighandler);
 882     signal(SIGFPE, sighandler);
 883     signal(SIGSEGV, sighandler);
 884 #ifdef SIGBUS
 885     signal(SIGBUS, sighandler);
 886 #endif
 887     return func_ptr();
 888 }
 889 EOF
 890 }
 891
 892 check_type(){
 893     log check_type "$@"
 894     headers=$1
 895     type=$2
 896     shift 2
 897     disable_safe "$type"
 898     incs=""
 899     for hdr in $headers; do
 900         incs="$incs
 901 #include <$hdr>"
 902     done
 903     check_cc "$@" <<EOF && enable_safe "$type"
 904 $incs
 905 $type v;
 906 EOF
 907 }
 908
 909 check_struct(){
 910     log check_type "$@"
 911     headers=$1
 912     struct=$2
 913     member=$3
 914     shift 3
 915     disable_safe "${struct}_${member}"
 916     incs=""
 917     for hdr in $headers; do
 918         incs="$incs
 919 #include <$hdr>"
 920     done
 921     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
 922 $incs
 923 const void *p = &(($struct *)0)->$member;
 924 EOF
 925 }
 926
 927 require(){
 928     name="$1"
 929     header="$2"
 930     func="$3"
 931     shift 3
 932     check_lib $header $func "$@" || die "ERROR: $name not found"
 933 }
 934
 935 require2(){
 936     name="$1"
 937     headers="$2"
 938     func="$3"
 939     shift 3
 940     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 941 }
 942
 943 require_cpp(){
 944     name="$1"
 945     headers="$2"
 946     classes="$3"
 947     shift 3
 948     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
 949 }
 950
 951 require_pkg_config(){
 952     pkg="$1"
 953     check_pkg_config "$@" || die "ERROR: $pkg not found"
 954     add_cflags    $(get_safe ${pkg}_cflags)
 955     add_extralibs $(get_safe ${pkg}_libs)
 956 }
 957
 958 check_host_cc(){
 959     log check_host_cc "$@"
 960     cat > $TMPC
 961     log_file $TMPC
 962     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
 963 }
 964
 965 check_host_cflags(){
 966     log check_host_cflags "$@"
 967     check_host_cc "$@" <<EOF && append host_cflags "$@"
 968 int x;
 969 EOF
 970 }
 971
 972 apply(){
 973     file=$1
 974     shift
 975     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 976 }
 977
 978 cp_if_changed(){
 979     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
 980     mkdir -p "$(dirname $2)"
 981     cp -f "$1" "$2"
 982 }
 983
 984 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 985 # system-dependent things.
 986
 987 COMPONENT_LIST="
 988     bsfs
 989     decoders
 990     demuxers
 991     encoders
 992     filters
 993     hwaccels
 994     indevs
 995     muxers
 996     outdevs
 997     parsers
 998     protocols
 999 "
1000
1001 PROGRAM_LIST="
1002     ffplay
1003     ffprobe
1004     ffserver
1005     ffmpeg
1006 "
1007
1008 CONFIG_LIST="
1009     $COMPONENT_LIST
1010     $PROGRAM_LIST
1011     ac3dsp
1012     avcodec
1013     avdevice
1014     avfilter
1015     avformat
1016     avisynth
1017     bzlib
1018     crystalhd
1019     dct
1020     doc
1021     dwt
1022     dxva2
1023     fastdiv
1024     fft
1025     frei0r
1026     gnutls
1027     gpl
1028     gray
1029     hardcoded_tables
1030     libaacplus
1031     libass
1032     libbluray
1033     libcdio
1034     libcelt
1035     libdc1394
1036     libdirac
1037     libfaac
1038     libfreetype
1039     libgsm
1040     libmodplug
1041     libmp3lame
1042     libnut
1043     libopencore_amrnb
1044     libopencore_amrwb
1045     libopencv
1046     libopenjpeg
1047     libpulse
1048     librtmp
1049     libschroedinger
1050     libspeex
1051     libstagefright_h264
1052     libtheora
1053     libutvideo
1054     libv4l2
1055     libvo_aacenc
1056     libvo_amrwbenc
1057     libvorbis
1058     libvpx
1059     libx264
1060     libxavs
1061     libxvid
1062     lsp
1063     mdct
1064     memalign_hack
1065     mpegaudiodsp
1066     network
1067     nonfree
1068     openal
1069     openssl
1070     pic
1071     postproc
1072     rdft
1073     rtpdec
1074     runtime_cpudetect
1075     safe_bitstream_reader
1076     shared
1077     sinewin
1078     small
1079     sram
1080     static
1081     swresample
1082     swscale
1083     swscale_alpha
1084     thumb
1085     vaapi
1086     vda
1087     vdpau
1088     version3
1089     xmm_clobber_test
1090     x11grab
1091     zlib
1092 "
1093
1094 THREADS_LIST='
1095     pthreads
1096     w32threads
1097     os2threads
1098 '
1099
1100 ARCH_LIST='
1101     alpha
1102     arm
1103     avr32
1104     avr32_ap
1105     avr32_uc
1106     bfin
1107     ia64
1108     m68k
1109     mips
1110     mips64
1111     parisc
1112     ppc
1113     ppc64
1114     s390
1115     sh4
1116     sparc
1117     sparc64
1118     tomi
1119     x86
1120     x86_32
1121     x86_64
1122 '
1123
1124 ARCH_EXT_LIST='
1125     altivec
1126     amd3dnow
1127     amd3dnowext
1128     armv5te
1129     armv6
1130     armv6t2
1131     armvfp
1132     avx
1133     mmi
1134     mmx
1135     mmx2
1136     neon
1137     ppc4xx
1138     sse
1139     ssse3
1140     vfpv3
1141     vis
1142 '
1143
1144 HAVE_LIST_PUB='
1145     bigendian
1146     fast_unaligned
1147 '
1148
1149 HAVE_LIST="
1150     $ARCH_EXT_LIST
1151     $HAVE_LIST_PUB
1152     $THREADS_LIST
1153     aligned_stack
1154     alsa_asoundlib_h
1155     altivec_h
1156     arpa_inet_h
1157     asm_mod_y
1158     asm_types_h
1159     attribute_may_alias
1160     attribute_packed
1161     cbrtf
1162     clock_gettime
1163     closesocket
1164     cmov
1165     dcbzl
1166     dev_bktr_ioctl_bt848_h
1167     dev_bktr_ioctl_meteor_h
1168     dev_ic_bt8xx_h
1169     dev_video_bktr_ioctl_bt848_h
1170     dev_video_meteor_ioctl_meteor_h
1171     dlfcn_h
1172     dlopen
1173     dos_paths
1174     ebp_available
1175     ebx_available
1176     exp2
1177     exp2f
1178     fast_64bit
1179     fast_clz
1180     fast_cmov
1181     fcntl
1182     fork
1183     getaddrinfo
1184     gethrtime
1185     GetProcessAffinityMask
1186     GetProcessMemoryInfo
1187     GetProcessTimes
1188     getrusage
1189     glob
1190     gnu_as
1191     ibm_asm
1192     inet_aton
1193     inline_asm
1194     isatty
1195     kbhit
1196     ldbrx
1197     libdc1394_1
1198     libdc1394_2
1199     llrint
1200     llrintf
1201     local_aligned_16
1202     local_aligned_8
1203     localtime_r
1204     log2
1205     log2f
1206     loongson
1207     lrint
1208     lrintf
1209     lzo1x_999_compress
1210     machine_ioctl_bt848_h
1211     machine_ioctl_meteor_h
1212     makeinfo
1213     malloc_h
1214     MapViewOfFile
1215     memalign
1216     mkstemp
1217     mmap
1218     PeekNamedPipe
1219     poll_h
1220     posix_memalign
1221     round
1222     roundf
1223     sched_getaffinity
1224     sdl
1225     sdl_video_size
1226     setmode
1227     setrlimit
1228     sndio_h
1229     socklen_t
1230     soundcard_h
1231     strerror_r
1232     strptime
1233     struct_addrinfo
1234     struct_ipv6_mreq
1235     struct_rusage_ru_maxrss
1236     struct_sockaddr_in6
1237     struct_sockaddr_sa_len
1238     struct_sockaddr_storage
1239     struct_v4l2_frmivalenum_discrete
1240     symver
1241     symver_asm_label
1242     symver_gnu_asm
1243     sysconf
1244     sysctl
1245     sys_mman_h
1246     sys_param_h
1247     sys_resource_h
1248     sys_select_h
1249     sys_soundcard_h
1250     sys_videoio_h
1251     termios_h
1252     threads
1253     trunc
1254     truncf
1255     vfp_args
1256     VirtualAlloc
1257     winsock2_h
1258     xform_asm
1259     xmm_clobbers
1260     yasm
1261 "
1262
1263 # options emitted with CONFIG_ prefix but not available on command line
1264 CONFIG_EXTRA="
1265     aandct
1266     avutil
1267     golomb
1268     gplv3
1269     h264chroma
1270     h264dsp
1271     h264pred
1272     h264qpel
1273     huffman
1274     lgplv3
1275     lpc
1276 "
1277
1278 CMDLINE_SELECT="
1279     $ARCH_EXT_LIST
1280     $CONFIG_LIST
1281     $THREADS_LIST
1282     asm
1283     coverage
1284     cross_compile
1285     debug
1286     extra_warnings
1287     logging
1288     optimizations
1289     stripping
1290     symver
1291     yasm
1292 "
1293
1294 PATHS_LIST='
1295     bindir
1296     datadir
1297     incdir
1298     libdir
1299     mandir
1300     prefix
1301     shlibdir
1302 '
1303
1304 CMDLINE_SET="
1305     $PATHS_LIST
1306     ar
1307     arch
1308     as
1309     assert_level
1310     build_suffix
1311     cc
1312     cpu
1313     cross_prefix
1314     cxx
1315     dep_cc
1316     extra_version
1317     host_cc
1318     host_cflags
1319     host_ldflags
1320     host_libs
1321     host_os
1322     install
1323     ld
1324     logfile
1325     malloc_prefix
1326     nm
1327     optflags
1328     pkg_config
1329     postproc_version
1330     progs_suffix
1331     samples
1332     strip
1333     sysinclude
1334     sysroot
1335     target_exec
1336     target_os
1337     target_path
1338     valgrind
1339     yasmexe
1340 "
1341
1342 CMDLINE_APPEND="
1343     extra_cflags
1344     extra_cxxflags
1345 "
1346
1347 # code dependency declarations
1348
1349 # architecture extensions
1350
1351 armv5te_deps="arm"
1352 armv6_deps="arm"
1353 armv6t2_deps="arm"
1354 armvfp_deps="arm"
1355 neon_deps="arm"
1356 vfpv3_deps="armvfp"
1357
1358 mmi_deps="mips"
1359
1360 altivec_deps="ppc"
1361 ppc4xx_deps="ppc"
1362
1363 vis_deps="sparc"
1364
1365 x86_64_suggest="cmov fast_cmov"
1366 amd3dnow_deps="mmx"
1367 amd3dnowext_deps="amd3dnow"
1368 mmx_deps="x86"
1369 mmx2_deps="mmx"
1370 sse_deps="mmx"
1371 ssse3_deps="sse"
1372 avx_deps="ssse3"
1373
1374 aligned_stack_if_any="ppc x86"
1375 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1376 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1377 fast_unaligned_if_any="armv6 ppc x86"
1378
1379 inline_asm_deps="!tms470"
1380 need_memalign="altivec neon sse"
1381
1382 symver_if_any="symver_asm_label symver_gnu_asm"
1383
1384 # subsystems
1385 dct_select="rdft"
1386 mdct_select="fft"
1387 rdft_select="fft"
1388 mpegaudiodsp_select="dct"
1389
1390 # decoders / encoders / hardware accelerators
1391 aac_decoder_select="mdct sinewin"
1392 aac_encoder_select="mdct sinewin"
1393 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1394 ac3_decoder_select="mdct ac3dsp ac3_parser"
1395 ac3_encoder_select="mdct ac3dsp"
1396 ac3_fixed_encoder_select="mdct ac3dsp"
1397 alac_encoder_select="lpc"
1398 amrnb_decoder_select="lsp"
1399 amrwb_decoder_select="lsp"
1400 atrac1_decoder_select="mdct sinewin"
1401 atrac3_decoder_select="mdct"
1402 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1403 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1404 cavs_decoder_select="golomb"
1405 cook_decoder_select="mdct sinewin"
1406 cscd_decoder_suggest="zlib"
1407 dca_decoder_select="mdct"
1408 dnxhd_encoder_select="aandct"
1409 dxa_decoder_select="zlib"
1410 eac3_decoder_select="ac3_decoder"
1411 eac3_encoder_select="mdct ac3dsp"
1412 eamad_decoder_select="aandct"
1413 eatgq_decoder_select="aandct"
1414 eatqi_decoder_select="aandct"
1415 ffv1_decoder_select="golomb"
1416 flac_decoder_select="golomb"
1417 flac_encoder_select="golomb lpc"
1418 flashsv_decoder_select="zlib"
1419 flashsv_encoder_select="zlib"
1420 flashsv2_encoder_select="zlib"
1421 flashsv2_decoder_select="zlib"
1422 flv_decoder_select="h263_decoder"
1423 flv_encoder_select="h263_encoder"
1424 fraps_decoder_select="huffman"
1425 h261_encoder_select="aandct"
1426 h263_decoder_select="h263_parser"
1427 h263_encoder_select="aandct"
1428 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1429 h263i_decoder_select="h263_decoder"
1430 h263p_encoder_select="h263_encoder"
1431 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1432 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1433 h264_dxva2_hwaccel_deps="dxva2api_h"
1434 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1435 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1436 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1437 h264_vda_hwaccel_select="vda h264_decoder"
1438 h264_vdpau_decoder_select="vdpau h264_decoder"
1439 imc_decoder_select="fft mdct sinewin"
1440 jpegls_decoder_select="golomb"
1441 jpegls_encoder_select="golomb"
1442 ljpeg_encoder_select="aandct"
1443 loco_decoder_select="golomb"
1444 mjpeg_encoder_select="aandct"
1445 mlp_decoder_select="mlp_parser"
1446 mp1_decoder_select="mpegaudiodsp"
1447 mp1float_decoder_select="mpegaudiodsp"
1448 mp2_decoder_select="mpegaudiodsp"
1449 mp2float_decoder_select="mpegaudiodsp"
1450 mp3_decoder_select="mpegaudiodsp"
1451 mp3adu_decoder_select="mpegaudiodsp"
1452 mp3adufloat_decoder_select="mpegaudiodsp"
1453 mp3float_decoder_select="mpegaudiodsp"
1454 mp3on4_decoder_select="mpegaudiodsp"
1455 mp3on4float_decoder_select="mpegaudiodsp"
1456 mpc7_decoder_select="mpegaudiodsp"
1457 mpc8_decoder_select="mpegaudiodsp"
1458 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1459 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1460 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1461 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1462 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1463 mpeg1video_encoder_select="aandct"
1464 mpeg2_crystalhd_decoder_select="crystalhd"
1465 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1466 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1467 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1468 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1469 mpeg2video_encoder_select="aandct"
1470 mpeg4_crystalhd_decoder_select="crystalhd"
1471 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1472 mpeg4_encoder_select="h263_encoder"
1473 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1474 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1475 msmpeg4_crystalhd_decoder_select="crystalhd"
1476 msmpeg4v1_decoder_select="h263_decoder"
1477 msmpeg4v1_encoder_select="h263_encoder"
1478 msmpeg4v2_decoder_select="h263_decoder"
1479 msmpeg4v2_encoder_select="h263_encoder"
1480 msmpeg4v3_decoder_select="h263_decoder"
1481 msmpeg4v3_encoder_select="h263_encoder"
1482 nellymoser_decoder_select="mdct sinewin"
1483 nellymoser_encoder_select="mdct sinewin"
1484 png_decoder_select="zlib"
1485 png_encoder_select="zlib"
1486 qcelp_decoder_select="lsp"
1487 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1488 ra_144_encoder_select="lpc"
1489 ralf_decoder_select="golomb"
1490 rv10_decoder_select="h263_decoder"
1491 rv10_encoder_select="h263_encoder"
1492 rv20_decoder_select="h263_decoder"
1493 rv20_encoder_select="h263_encoder"
1494 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1495 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1496 shorten_decoder_select="golomb"
1497 sipr_decoder_select="lsp"
1498 snow_decoder_select="dwt"
1499 snow_encoder_select="aandct dwt"
1500 sonic_decoder_select="golomb"
1501 sonic_encoder_select="golomb"
1502 sonic_ls_encoder_select="golomb"
1503 svq1_encoder_select="aandct"
1504 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1505 svq3_decoder_suggest="zlib"
1506 theora_decoder_select="vp3_decoder"
1507 tiff_decoder_suggest="zlib"
1508 tiff_encoder_suggest="zlib"
1509 truehd_decoder_select="mlp_decoder"
1510 tscc_decoder_select="zlib"
1511 twinvq_decoder_select="mdct lsp sinewin"
1512 vc1_crystalhd_decoder_select="crystalhd"
1513 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1514 vc1_dxva2_hwaccel_deps="dxva2api_h"
1515 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1516 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1517 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1518 vc1image_decoder_select="vc1_decoder"
1519 vorbis_decoder_select="mdct"
1520 vorbis_encoder_select="mdct"
1521 vp6_decoder_select="huffman"
1522 vp6a_decoder_select="vp6_decoder"
1523 vp6f_decoder_select="vp6_decoder"
1524 vp8_decoder_select="h264pred h264qpel"
1525 wmapro_decoder_select="mdct sinewin"
1526 wmav1_decoder_select="mdct sinewin"
1527 wmav1_encoder_select="mdct sinewin"
1528 wmav2_decoder_select="mdct sinewin"
1529 wmav2_encoder_select="mdct sinewin"
1530 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1531 wmv1_decoder_select="h263_decoder"
1532 wmv1_encoder_select="h263_encoder"
1533 wmv2_decoder_select="h263_decoder"
1534 wmv2_encoder_select="h263_encoder"
1535 wmv3_decoder_select="vc1_decoder"
1536 wmv3_crystalhd_decoder_select="crystalhd"
1537 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1538 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1539 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1540 wmv3image_decoder_select="wmv3_decoder"
1541 zerocodec_decoder_select="zlib"
1542 zlib_decoder_select="zlib"
1543 zlib_encoder_select="zlib"
1544 zmbv_decoder_select="zlib"
1545 zmbv_encoder_select="zlib"
1546
1547 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1548 vaapi_deps="va_va_h"
1549 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1550 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1551
1552 # parsers
1553 h264_parser_select="golomb h264dsp h264pred"
1554
1555 # external libraries
1556 libaacplus_encoder_deps="libaacplus"
1557 libcelt_decoder_deps="libcelt"
1558 libdirac_decoder_deps="libdirac !libschroedinger"
1559 libfaac_encoder_deps="libfaac"
1560 libgsm_decoder_deps="libgsm"
1561 libgsm_encoder_deps="libgsm"
1562 libgsm_ms_decoder_deps="libgsm"
1563 libgsm_ms_encoder_deps="libgsm"
1564 libmodplug_demuxer_deps="libmodplug"
1565 libmp3lame_encoder_deps="libmp3lame"
1566 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1567 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1568 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1569 libopenjpeg_decoder_deps="libopenjpeg"
1570 libopenjpeg_encoder_deps="libopenjpeg"
1571 libschroedinger_decoder_deps="libschroedinger"
1572 libschroedinger_encoder_deps="libschroedinger"
1573 libspeex_decoder_deps="libspeex"
1574 libspeex_encoder_deps="libspeex"
1575 libstagefright_h264_decoder_deps="libstagefright_h264"
1576 libtheora_encoder_deps="libtheora"
1577 libvo_aacenc_encoder_deps="libvo_aacenc"
1578 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1579 libvorbis_encoder_deps="libvorbis"
1580 libvpx_decoder_deps="libvpx"
1581 libvpx_encoder_deps="libvpx"
1582 libx264_encoder_deps="libx264"
1583 libx264rgb_encoder_deps="libx264"
1584 libxavs_encoder_deps="libxavs"
1585 libxvid_encoder_deps="libxvid"
1586 libutvideo_decoder_deps="libutvideo"
1587 libutvideo_encoder_deps="libutvideo"
1588
1589 # demuxers / muxers
1590 ac3_demuxer_select="ac3_parser"
1591 asf_stream_muxer_select="asf_muxer"
1592 avisynth_demuxer_deps="avisynth"
1593 dirac_demuxer_select="dirac_parser"
1594 eac3_demuxer_select="ac3_parser"
1595 flac_demuxer_select="flac_parser"
1596 ipod_muxer_select="mov_muxer"
1597 libnut_demuxer_deps="libnut"
1598 libnut_muxer_deps="libnut"
1599 matroska_audio_muxer_select="matroska_muxer"
1600 matroska_demuxer_suggest="zlib bzlib"
1601 mov_demuxer_suggest="zlib"
1602 mp3_demuxer_select="mpegaudio_parser"
1603 mp4_muxer_select="mov_muxer"
1604 mpegtsraw_demuxer_select="mpegts_demuxer"
1605 mxf_d10_muxer_select="mxf_muxer"
1606 ogg_demuxer_select="golomb"
1607 psp_muxer_select="mov_muxer"
1608 rtp_demuxer_select="sdp_demuxer"
1609 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1610 rtsp_demuxer_select="http_protocol rtpdec"
1611 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1612 sap_demuxer_select="sdp_demuxer"
1613 sap_muxer_select="rtp_muxer rtp_protocol"
1614 sdp_demuxer_select="rtpdec"
1615 spdif_muxer_select="aac_parser"
1616 tg2_muxer_select="mov_muxer"
1617 tgp_muxer_select="mov_muxer"
1618 w64_demuxer_deps="wav_demuxer"
1619
1620 # indevs / outdevs
1621 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1622 alsa_outdev_deps="alsa_asoundlib_h"
1623 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1624 dshow_indev_deps="IBaseFilter"
1625 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1626 dv1394_indev_deps="dv1394 dv_demuxer"
1627 fbdev_indev_deps="linux_fb_h"
1628 jack_indev_deps="jack_jack_h sem_timedwait"
1629 lavfi_indev_deps="avfilter"
1630 libcdio_indev_deps="libcdio"
1631 libdc1394_indev_deps="libdc1394"
1632 libv4l2_indev_deps="libv4l2"
1633 openal_indev_deps="openal"
1634 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1635 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1636 pulse_indev_deps="libpulse"
1637 sdl_outdev_deps="sdl"
1638 sndio_indev_deps="sndio_h"
1639 sndio_outdev_deps="sndio_h"
1640 v4l_indev_deps="linux_videodev_h"
1641 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1642 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1643 vfwcap_indev_extralibs="-lavicap32"
1644 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1645
1646 # protocols
1647 bluray_protocol_deps="libbluray"
1648 gopher_protocol_deps="network"
1649 httpproxy_protocol_deps="network"
1650 httpproxy_protocol_select="tcp_protocol"
1651 http_protocol_deps="network"
1652 http_protocol_select="tcp_protocol"
1653 https_protocol_select="tls_protocol"
1654 librtmp_protocol_deps="librtmp"
1655 librtmpe_protocol_deps="librtmp"
1656 librtmps_protocol_deps="librtmp"
1657 librtmpt_protocol_deps="librtmp"
1658 librtmpte_protocol_deps="librtmp"
1659 mmsh_protocol_select="http_protocol"
1660 mmst_protocol_deps="network"
1661 rtmp_protocol_deps="!librtmp_protocol"
1662 rtmp_protocol_select="tcp_protocol"
1663 rtp_protocol_select="udp_protocol"
1664 tcp_protocol_deps="network"
1665 tls_protocol_deps_any="openssl gnutls"
1666 tls_protocol_select="tcp_protocol"
1667 udp_protocol_deps="network"
1668
1669 # filters
1670 aconvert_filter_deps="swresample"
1671 amovie_filter_deps="avcodec avformat"
1672 aresample_filter_deps="swresample"
1673 ass_filter_deps="libass"
1674 blackframe_filter_deps="gpl"
1675 boxblur_filter_deps="gpl"
1676 colormatrix_filter_deps="gpl"
1677 cropdetect_filter_deps="gpl"
1678 delogo_filter_deps="gpl"
1679 drawtext_filter_deps="libfreetype"
1680 frei0r_filter_deps="frei0r dlopen"
1681 frei0r_filter_extralibs='$ldl'
1682 frei0r_src_filter_deps="frei0r dlopen"
1683 frei0r_src_filter_extralibs='$ldl'
1684 hqdn3d_filter_deps="gpl"
1685 movie_filter_deps="avcodec avformat"
1686 mp_filter_deps="gpl avcodec swscale postproc"
1687 mptestsrc_filter_deps="gpl"
1688 negate_filter_deps="lut_filter"
1689 ocv_filter_deps="libopencv"
1690 pan_filter_deps="swresample"
1691 removelogo_filter_deps="avcodec avformat swscale"
1692 scale_filter_deps="swscale"
1693 tinterlace_filter_deps="gpl"
1694 yadif_filter_deps="gpl"
1695
1696 # libraries
1697 avdevice_deps="avcodec avformat"
1698 avformat_deps="avcodec"
1699 postproc_deps="gpl"
1700
1701 # programs
1702 ffplay_deps="avcodec avformat swscale swresample sdl"
1703 ffplay_select="buffersink_filter rdft"
1704 ffprobe_deps="avcodec avformat"
1705 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1706 ffserver_extralibs='$ldl'
1707 ffmpeg_deps="avcodec avformat swscale swresample"
1708 ffmpeg_select="buffersink_filter"
1709
1710 doc_deps="texi2html"
1711
1712 # tests
1713
1714 test_deps(){
1715     suf1=$1
1716     suf2=$2
1717     shift 2
1718     for v; do
1719         dep=${v%=*}
1720         tests=${v#*=}
1721         for name in ${tests}; do
1722             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1723         done
1724     done
1725 }
1726
1727 mxf_d10_test_deps="avfilter"
1728 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1729
1730 test_deps _encoder _decoder                                             \
1731     adpcm_ima_qt                                                        \
1732     adpcm_ima_wav                                                       \
1733     adpcm_ms                                                            \
1734     adpcm_swf                                                           \
1735     adpcm_yamaha=adpcm_yam                                              \
1736     alac                                                                \
1737     asv1                                                                \
1738     asv2                                                                \
1739     bmp                                                                 \
1740     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1741     dvvideo="dv dv_411 dv50"                                            \
1742     ffv1                                                                \
1743     flac                                                                \
1744     flashsv                                                             \
1745     flv                                                                 \
1746     adpcm_g726=g726                                                     \
1747     gif                                                                 \
1748     h261                                                                \
1749     h263="h263 h263p"                                                   \
1750     huffyuv                                                             \
1751     jpegls                                                              \
1752     mjpeg="jpg mjpeg ljpeg"                                             \
1753     mp2                                                                 \
1754     mpeg1video="mpeg mpeg1b"                                            \
1755     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1756     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1757     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1758     mpeg4="mpeg4thread error rc"                                        \
1759     msmpeg4v3=msmpeg4                                                   \
1760     msmpeg4v2                                                           \
1761     pbm=pbmpipe                                                         \
1762     pcx                                                                 \
1763     pgm="pgm pgmpipe"                                                   \
1764     png                                                                 \
1765     ppm="ppm ppmpipe"                                                   \
1766     rawvideo="rgb yuv"                                                  \
1767     roq                                                                 \
1768     rv10                                                                \
1769     rv20                                                                \
1770     sgi                                                                 \
1771     snow="snow snowll"                                                  \
1772     svq1                                                                \
1773     targa=tga                                                           \
1774     tiff                                                                \
1775     wmav1                                                               \
1776     wmav2                                                               \
1777     wmv1                                                                \
1778     wmv2                                                                \
1779
1780 test_deps _muxer _demuxer                                               \
1781     aiff                                                                \
1782     pcm_alaw=alaw                                                       \
1783     asf                                                                 \
1784     au                                                                  \
1785     avi                                                                 \
1786     dv=dv_fmt                                                           \
1787     ffm                                                                 \
1788     flv=flv_fmt                                                         \
1789     gxf                                                                 \
1790     matroska=mkv                                                        \
1791     mmf                                                                 \
1792     mov="mov ismv"                                                      \
1793     pcm_mulaw=mulaw                                                     \
1794     mxf="mxf mxf_d10"                                                   \
1795     nut                                                                 \
1796     ogg="ogg ogg_vp3"                                                   \
1797     rawvideo=pixfmt                                                     \
1798     rm                                                                  \
1799     swf                                                                 \
1800     mpegts=ts                                                           \
1801     voc                                                                 \
1802     wav                                                                 \
1803     yuv4mpegpipe=yuv4mpeg                                               \
1804
1805 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1806 flashsv2_test_deps="zlib"
1807 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1808 mpng_test_deps="zlib"
1809 pp_test_deps="mp_filter"
1810 pp2_test_deps="mp_filter"
1811 pp3_test_deps="mp_filter"
1812 pp4_test_deps="mp_filter"
1813 pp5_test_deps="mp_filter"
1814 pp6_test_deps="mp_filter"
1815 zlib_test_deps="zlib"
1816 zmbv_test_deps="zlib"
1817
1818 # default parameters
1819
1820 logfile="config.log"
1821
1822 # installation paths
1823 prefix_default="/usr/local"
1824 bindir_default='${prefix}/bin'
1825 datadir_default='${prefix}/share/ffmpeg'
1826 incdir_default='${prefix}/include'
1827 libdir_default='${prefix}/lib'
1828 mandir_default='${prefix}/share/man'
1829 shlibdir_default="$libdir_default"
1830 postproc_version_default="current"
1831
1832 # toolchain
1833 ar_default="ar"
1834 cc_default="gcc"
1835 cxx_default="g++"
1836 cc_version=\"unknown\"
1837 host_cc_default="gcc"
1838 install="install"
1839 ln_s="ln -sf"
1840 nm_default="nm"
1841 objformat="elf"
1842 pkg_config_default=pkg-config
1843 ranlib="ranlib"
1844 strip_default="strip"
1845 yasmexe_default="yasm"
1846
1847 nm_opts='-g'
1848 nogas=":"
1849
1850 # machine
1851 arch_default=$(uname -m)
1852 cpu="generic"
1853
1854 # OS
1855 target_os_default=$(tolower $(uname -s))
1856 host_os=$target_os_default
1857
1858 # alternative libpostproc version
1859 ALT_PP_VER_MAJOR=51
1860 ALT_PP_VER_MINOR=2
1861 ALT_PP_VER_MICRO=101
1862 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1863
1864 # configurable options
1865 enable $PROGRAM_LIST
1866
1867 enable avcodec
1868 enable avdevice
1869 enable avfilter
1870 enable avformat
1871 enable avutil
1872 enable postproc
1873 enable stripping
1874 enable swresample
1875 enable swscale
1876
1877 enable asm
1878 enable debug
1879 enable doc
1880 enable fastdiv
1881 enable network
1882 enable optimizations
1883 enable safe_bitstream_reader
1884 enable static
1885 enable swscale_alpha
1886
1887 # build settings
1888 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1889 FFSERVERLDFLAGS=-Wl,-E
1890 LIBPREF="lib"
1891 LIBSUF=".a"
1892 FULLNAME='$(NAME)$(BUILDSUF)'
1893 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1894 SLIBPREF="lib"
1895 SLIBSUF=".so"
1896 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1897 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1898 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1899 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1900 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1901 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1902
1903 AS_O='-o $@'
1904 CC_O='-o $@'
1905 CXX_O='-o $@'
1906
1907 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1908 host_libs='-lm'
1909
1910 target_path='$(CURDIR)'
1911
1912 # since the object filename is not given with the -MM flag, the compiler
1913 # is only able to print the basename, and we must add the path ourselves
1914 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1915 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1916
1917 # find source path
1918 if test -f configure; then
1919     source_path=.
1920 else
1921     source_path=$(cd $(dirname "$0"); pwd)
1922     echo "$source_path" | grep -q '[[:blank:]]' &&
1923         die "Out of tree builds are impossible with whitespace in source path."
1924     test -e "$source_path/config.h" &&
1925         die "Out of tree builds are impossible with config.h in source dir."
1926 fi
1927
1928 for v in "$@"; do
1929     r=${v#*=}
1930     l=${v%"$r"}
1931     r=$(sh_quote "$r")
1932     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1933 done
1934
1935 find_things(){
1936     thing=$1
1937     pattern=$2
1938     file=$source_path/$3
1939     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1940 }
1941
1942 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1943 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1944 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1945 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1946 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1947 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1948 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1949 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1950 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1951 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1952 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1953
1954 ALL_COMPONENTS="
1955     $BSF_LIST
1956     $DECODER_LIST
1957     $DEMUXER_LIST
1958     $ENCODER_LIST
1959     $FILTER_LIST
1960     $HWACCEL_LIST
1961     $INDEV_LIST
1962     $MUXER_LIST
1963     $OUTDEV_LIST
1964     $PARSER_LIST
1965     $PROTOCOL_LIST
1966 "
1967
1968 find_tests(){
1969     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1970 }
1971
1972 ACODEC_TESTS=$(find_tests acodec)
1973 VCODEC_TESTS=$(find_tests vsynth1)
1974 LAVF_FATE_TESTS=$(find_tests lavf-fate)
1975 LAVF_TESTS=$(find_tests lavf)
1976 LAVFI_TESTS=$(find_tests lavfi)
1977 SEEK_TESTS=$(find_tests seek seek_)
1978
1979 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1980
1981 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1982
1983 for n in $COMPONENT_LIST; do
1984     v=$(toupper ${n%s})_LIST
1985     eval enable \$$v
1986     eval ${n}_if_any="\$$v"
1987 done
1988
1989 enable $ARCH_EXT_LIST $ALL_TESTS
1990
1991 die_unknown(){
1992     echo "Unknown option \"$1\"."
1993     echo "See $0 --help for available options."
1994     exit 1
1995 }
1996
1997 show_list() {
1998     suffix=_$1
1999     shift
2000     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2001     exit 0
2002 }
2003
2004 for opt do
2005     optval="${opt#*=}"
2006     case "$opt" in
2007     --extra-ldflags=*) add_ldflags $optval
2008     ;;
2009     --extra-libs=*) add_extralibs $optval
2010     ;;
2011     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2012     ;;
2013     --enable-debug=*) debuglevel="$optval"
2014     ;;
2015     --disable-everything)
2016     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2017     ;;
2018     --enable-*=*|--disable-*=*)
2019     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2020     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2021     eval list=\$$(toupper $thing)_LIST
2022     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2023     $action $(filter "$name" $list)
2024     ;;
2025     --enable-?*|--disable-?*)
2026     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2027     if is_in $option $COMPONENT_LIST; then
2028         test $action = disable && action=unset
2029         eval $action \$$(toupper ${option%s})_LIST
2030     elif is_in $option $CMDLINE_SELECT; then
2031         $action $option
2032     else
2033         die_unknown $opt
2034     fi
2035     ;;
2036     --list-*)
2037         NAME="${opt#--list-}"
2038         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2039         NAME=${NAME%s}
2040         eval show_list $NAME \$$(toupper $NAME)_LIST
2041     ;;
2042     --help|-h) show_help
2043     ;;
2044     *)
2045     optname="${opt%%=*}"
2046     optname="${optname#--}"
2047     optname=$(echo "$optname" | sed 's/-/_/g')
2048     if is_in $optname $CMDLINE_SET; then
2049         eval $optname='$optval'
2050     elif is_in $optname $CMDLINE_APPEND; then
2051         append $optname "$optval"
2052     else
2053          die_unknown $opt
2054     fi
2055     ;;
2056     esac
2057 done
2058
2059 disabled logging && logfile=/dev/null
2060
2061 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2062 set >> $logfile
2063
2064 test -n "$cross_prefix" && enable cross_compile
2065
2066 if enabled cross_compile; then
2067     test -n "$arch" && test -n "$target_os" ||
2068         die "Must specify target arch and OS when cross-compiling"
2069 fi
2070
2071 set_default arch target_os postproc_version
2072
2073 # Check if we should build alternative libpostproc version instead of current
2074 if   test "$postproc_version" = $ALT_PP_VER; then
2075   LIBPOSTPROC_VERSION=$ALT_PP_VER
2076   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2077   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2078   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2079 elif test "$postproc_version" != current; then
2080   die "Invalid argument to --postproc-version. See --help output."
2081 fi
2082
2083 ar_default="${cross_prefix}${ar_default}"
2084 cc_default="${cross_prefix}${cc_default}"
2085 cxx_default="${cross_prefix}${cxx_default}"
2086 nm_default="${cross_prefix}${nm_default}"
2087 pkg_config_default="${cross_prefix}${pkg_config_default}"
2088 ranlib="${cross_prefix}${ranlib}"
2089 strip_default="${cross_prefix}${strip_default}"
2090
2091 sysinclude_default="${sysroot}/usr/include"
2092
2093 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2094 enabled cross_compile || host_cc_default=$cc
2095 set_default host_cc
2096
2097 if ! $pkg_config --version >/dev/null 2>&1; then
2098     warn "$pkg_config not found, library detection may fail."
2099     pkg_config=false
2100 fi
2101
2102 exesuf() {
2103     case $1 in
2104         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2105     esac
2106 }
2107
2108 EXESUF=$(exesuf $target_os)
2109 HOSTEXESUF=$(exesuf $host_os)
2110
2111 # set temporary file name
2112 : ${TMPDIR:=$TEMPDIR}
2113 : ${TMPDIR:=$TMP}
2114 : ${TMPDIR:=/tmp}
2115
2116 if ! check_cmd mktemp -u XXXXXX; then
2117     # simple replacement for missing mktemp
2118     # NOT SAFE FOR GENERAL USE
2119     mktemp(){
2120         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2121     }
2122 fi
2123
2124 tmpfile(){
2125     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2126         (set -C; exec > $tmp) 2>/dev/null ||
2127         die "Unable to create temporary file in $TMPDIR."
2128     append TMPFILES $tmp
2129     eval $1=$tmp
2130 }
2131
2132 trap 'rm -f -- $TMPFILES' EXIT
2133
2134 tmpfile TMPASM .asm
2135 tmpfile TMPC   .c
2136 tmpfile TMPCPP .cpp
2137 tmpfile TMPE   $EXESUF
2138 tmpfile TMPH   .h
2139 tmpfile TMPO   .o
2140 tmpfile TMPS   .S
2141 tmpfile TMPSH  .sh
2142 tmpfile TMPV   .ver
2143
2144 unset -f mktemp
2145
2146 chmod +x $TMPE
2147
2148 # make sure we can execute files in $TMPDIR
2149 cat > $TMPSH 2>> $logfile <<EOF
2150 #! /bin/sh
2151 EOF
2152 chmod +x $TMPSH >> $logfile 2>&1
2153 if ! $TMPSH >> $logfile 2>&1; then
2154     cat <<EOF
2155 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2156 variable to another directory and make sure that it is not mounted noexec.
2157 EOF
2158     die "Sanity test failed."
2159 fi
2160
2161 filter_asflags=echo
2162 filter_cflags=echo
2163 filter_cppflags=echo
2164
2165 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2166     cc_type=llvm_gcc
2167     cc_version=__VERSION__
2168     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2169     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2170     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2171     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2172     speed_cflags='-O3'
2173     size_cflags='-Os'
2174 elif $cc -v 2>&1 | grep -qi ^gcc; then
2175     cc_type=gcc
2176     cc_version=__VERSION__
2177     gcc_version=$($cc --version | head -n1)
2178     gcc_basever=$($cc -dumpversion)
2179     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2180     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2181     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2182     if ! $cc -dumpversion | grep -q '^2\.'; then
2183         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2184         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2185     fi
2186     speed_cflags='-O3'
2187     size_cflags='-Os'
2188 elif $cc --version 2>/dev/null | grep -q Intel; then
2189     cc_type=icc
2190     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2191     cc_ident=$($cc --version | head -n1)
2192     icc_version=$($cc -dumpversion)
2193     CC_DEPFLAGS='-MMD'
2194     AS_DEPFLAGS='-MMD'
2195     speed_cflags='-O3'
2196     size_cflags='-Os'
2197     noopt_cflags='-O1'
2198 elif $cc -v 2>&1 | grep -q xlc; then
2199     cc_type=xlc
2200     cc_version="AV_STRINGIFY(__IBMC__)"
2201     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2202     speed_cflags='-O5'
2203     size_cflags='-O5 -qcompact'
2204 elif $cc -V 2>/dev/null | grep -q Compaq; then
2205     cc_type=ccc
2206     cc_version="AV_STRINGIFY(__DECC_VER)"
2207     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2208     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2209     debuglevel=3
2210     add_ldflags -Wl,-z,now # calls to libots crash without this
2211     speed_cflags='-fast'
2212     size_cflags='-O1'
2213 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2214     test -d "$sysroot" || die "No valid sysroot specified."
2215     cc_type=armcc
2216     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2217     cc_ident=$($cc --vsn | head -n1)
2218     armcc_conf="$PWD/armcc.conf"
2219     $cc --arm_linux_configure                 \
2220         --arm_linux_config_file="$armcc_conf" \
2221         --configure_sysroot="$sysroot"        \
2222         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2223         die "Error creating armcc configuration file."
2224     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2225     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2226     as_default="${cross_prefix}gcc"
2227     CC_DEPFLAGS='-MMD'
2228     AS_DEPFLAGS='-MMD'
2229     speed_cflags='-O3'
2230     size_cflags='-Os'
2231     filter_asflags="filter_out -W${armcc_opt}*"
2232 elif $cc -version 2>/dev/null | grep -q TMS470; then
2233     cc_type=tms470
2234     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2235     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2236     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2237     CC_O='-fr=$(@D)'
2238     as_default="${cross_prefix}gcc"
2239     ld_default="${cross_prefix}gcc"
2240     TMPO=$(basename $TMPC .c).o
2241     append TMPFILES $TMPO
2242     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2243     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2244     AS_DEPFLAGS='-MMD'
2245     speed_cflags='-O3 -mf=5'
2246     size_cflags='-O3 -mf=2'
2247     filter_cflags=tms470_flags
2248     tms470_flags(){
2249         for flag; do
2250             case $flag in
2251                 -march=*|-mcpu=*)
2252                     case "${flag#*=}" in
2253                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2254                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2255                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2256                         armv6*|arm11*)          echo -mv=6   ;;
2257                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2258                                                 echo -mv=5e  ;;
2259                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2260                     esac
2261                     ;;
2262                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2263                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2264                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2265                 -msoft-float)   echo --float_support=vfplib       ;;
2266                 -O[0-3]|-mf=*)  echo $flag                        ;;
2267                 -g)             echo -g -mn                       ;;
2268                 -pds=*)         echo $flag                        ;;
2269             esac
2270         done
2271     }
2272 elif $cc -v 2>&1 | grep -q clang; then
2273     cc_type=clang
2274     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2275         cc_version=__clang_version__ || cc_version=__VERSION__
2276     cc_ident=$($cc --version | head -n1)
2277     CC_DEPFLAGS='-MMD'
2278     AS_DEPFLAGS='-MMD'
2279     speed_cflags='-O3'
2280     size_cflags='-Os'
2281 elif $cc -V 2>&1 | grep -q Sun; then
2282     cc_type=suncc
2283     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2284     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2285     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2286     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2287     add_ldflags -xc99
2288     speed_cflags='-O5'
2289     size_cflags='-O5 -xspace'
2290     filter_cflags=suncc_flags
2291     suncc_flags(){
2292         for flag; do
2293             case $flag in
2294                 -march=*|-mcpu=*)
2295                     case "${flag#*=}" in
2296                         native)                   echo -xtarget=native       ;;
2297                         v9|niagara)               echo -xarch=sparc          ;;
2298                         ultrasparc)               echo -xarch=sparcvis       ;;
2299                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2300                         i586|pentium)             echo -xchip=pentium        ;;
2301                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2302                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2303                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2304                         pentium4*)          echo -xtarget=pentium4           ;;
2305                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2306                         *-sse3)             echo -xarch=sse3                 ;;
2307                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2308                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2309                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2310                         k8|opteron|athlon64|athlon-fx)
2311                                                   echo -xarch=sse2a          ;;
2312                         athlon*)                  echo -xarch=pentium_proa   ;;
2313                     esac
2314                     ;;
2315                 -std=c99)             echo -xc99              ;;
2316                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2317                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2318                 -W*,*)                echo $flag              ;;
2319                 -f*-*|-W*)                                    ;;
2320                 *)                    echo $flag              ;;
2321             esac
2322         done
2323     }
2324 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2325     cc_type=pathscale
2326     cc_version=__PATHSCALE__
2327     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2328     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2329     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2330     speed_cflags='-O2'
2331     size_cflags='-Os'
2332     filter_cflags='filter_out -Wdisabled-optimization'
2333 elif $cc -v 2>&1 | grep -q Open64; then
2334     cc_type=open64
2335     cc_version=__OPEN64__
2336     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2337     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2338     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2339     speed_cflags='-O2'
2340     size_cflags='-Os'
2341     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2342 fi
2343
2344 test -n "$cc_type" && enable $cc_type ||
2345     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2346
2347 : ${as_default:=$cc}
2348 : ${dep_cc_default:=$cc}
2349 : ${ld_default:=$cc}
2350 set_default ar as dep_cc ld
2351
2352 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2353 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2354 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2355
2356 add_cflags $extra_cflags
2357 add_cxxflags $extra_cxxflags
2358 add_asflags $extra_cflags
2359
2360 if test -n "$sysroot"; then
2361     case "$cc_type" in
2362         gcc|llvm_gcc|clang)
2363             add_cppflags --sysroot="$sysroot"
2364             add_ldflags --sysroot="$sysroot"
2365         ;;
2366         tms470)
2367             add_cppflags -I"$sysinclude"
2368             add_ldflags  --sysroot="$sysroot"
2369         ;;
2370     esac
2371 fi
2372
2373 if test "$cpu" = host; then
2374     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2375
2376     case "$cc_type" in
2377         gcc|llvm_gcc)
2378             check_native(){
2379                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2380                 sed -n "/cc1.*$1=/{
2381                             s/.*$1=\\([^ ]*\\).*/\\1/
2382                             p
2383                             q
2384                         }" $TMPE
2385             }
2386             cpu=$(check_native -march || check_native -mcpu)
2387         ;;
2388     esac
2389
2390     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2391 fi
2392
2393 # Deal with common $arch aliases
2394 case "$arch" in
2395     arm*|iPad*)
2396         arch="arm"
2397     ;;
2398     mips|mipsel|IP*)
2399         arch="mips"
2400     ;;
2401     mips64*)
2402         arch="mips"
2403         subarch="mips64"
2404     ;;
2405     parisc|hppa)
2406         arch="parisc"
2407     ;;
2408     parisc64|hppa64)
2409         arch="parisc"
2410         subarch="parisc64"
2411     ;;
2412     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2413         arch="ppc"
2414     ;;
2415     s390|s390x)
2416         arch="s390"
2417     ;;
2418     sh4|sh)
2419         arch="sh4"
2420     ;;
2421     sun4u|sparc64)
2422         arch="sparc"
2423         subarch="sparc64"
2424     ;;
2425     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2426         arch="x86"
2427     ;;
2428 esac
2429
2430 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2431 enable $arch
2432
2433 # Add processor-specific flags
2434 if test "$cpu" = generic; then
2435     : do nothing
2436 elif enabled ppc; then
2437
2438     case $(tolower $cpu) in
2439         601|ppc601|powerpc601)
2440             cpuflags="-mcpu=601"
2441             disable altivec
2442         ;;
2443         603*|ppc603*|powerpc603*)
2444             cpuflags="-mcpu=603"
2445             disable altivec
2446         ;;
2447         604*|ppc604*|powerpc604*)
2448             cpuflags="-mcpu=604"
2449             disable altivec
2450         ;;
2451         g3|75*|ppc75*|powerpc75*)
2452             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2453             disable altivec
2454         ;;
2455         g4|745*|ppc745*|powerpc745*)
2456             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2457         ;;
2458         74*|ppc74*|powerpc74*)
2459             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2460         ;;
2461         g5|970|ppc970|powerpc970|power4*)
2462             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2463         ;;
2464         cell)
2465             cpuflags="-mcpu=cell"
2466             enable ldbrx
2467         ;;
2468         e500v2)
2469             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2470             disable altivec
2471         ;;
2472         e500)
2473             cpuflags="-mcpu=8540 -mhard-float"
2474             disable altivec
2475         ;;
2476     esac
2477
2478 elif enabled x86; then
2479
2480     case $cpu in
2481         i[345]86|pentium)
2482             cpuflags="-march=$cpu"
2483             disable mmx
2484         ;;
2485         # targets that do NOT support conditional mov (cmov)
2486         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2487             cpuflags="-march=$cpu"
2488             disable cmov
2489         ;;
2490         # targets that do support conditional mov (cmov)
2491         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2492             cpuflags="-march=$cpu"
2493             enable cmov
2494             enable fast_cmov
2495         ;;
2496         # targets that do support conditional mov but on which it's slow
2497         pentium4|pentium4m|prescott|nocona)
2498             cpuflags="-march=$cpu"
2499             enable cmov
2500             disable fast_cmov
2501         ;;
2502     esac
2503
2504 elif enabled sparc; then
2505
2506     case $cpu in
2507         niagara)
2508             cpuflags="-mcpu=$cpu"
2509             disable vis
2510         ;;
2511         sparc64)
2512             cpuflags="-mcpu=v9"
2513         ;;
2514     esac
2515
2516 elif enabled arm; then
2517
2518     case $cpu in
2519         armv*)
2520             cpuflags="-march=$cpu"
2521             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2522         ;;
2523         *)
2524             cpuflags="-mcpu=$cpu"
2525             case $cpu in
2526                 cortex-a*)                               subarch=armv7a  ;;
2527                 cortex-r*)                               subarch=armv7r  ;;
2528                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2529                 arm11*)                                  subarch=armv6   ;;
2530                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2531                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2532             esac
2533         ;;
2534     esac
2535
2536 elif enabled alpha; then
2537
2538     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2539
2540 elif enabled bfin; then
2541
2542     cpuflags="-mcpu=$cpu"
2543
2544 elif enabled mips; then
2545
2546     cpuflags="-march=$cpu"
2547
2548 elif enabled avr32; then
2549
2550     case $cpu in
2551         ap7[02]0[0-2])
2552             subarch="avr32_ap"
2553             cpuflags="-mpart=$cpu"
2554         ;;
2555         ap)
2556             subarch="avr32_ap"
2557             cpuflags="-march=$cpu"
2558         ;;
2559         uc3[ab]*)
2560             subarch="avr32_uc"
2561             cpuflags="-mcpu=$cpu"
2562         ;;
2563         uc)
2564             subarch="avr32_uc"
2565             cpuflags="-march=$cpu"
2566         ;;
2567     esac
2568
2569 fi
2570
2571 add_cflags $cpuflags
2572 add_asflags $cpuflags
2573
2574 # compiler sanity check
2575 check_exec <<EOF
2576 int main(void){ return 0; }
2577 EOF
2578 if test "$?" != 0; then
2579     echo "$cc is unable to create an executable file."
2580     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2581         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2582         echo "Only do this if you know what cross compiling means."
2583     fi
2584     die "C compiler test failed."
2585 fi
2586
2587 add_cppflags -D_ISOC99_SOURCE
2588 add_cxxflags -D__STDC_CONSTANT_MACROS
2589 check_cflags -std=c99
2590 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2591 #include <stdlib.h>
2592 EOF
2593 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2594 #include <stdlib.h>
2595 EOF
2596
2597 check_host_cflags -std=c99
2598 check_host_cflags -Wall
2599
2600 case "$arch" in
2601     alpha|ia64|mips|parisc|sparc)
2602         spic=$shared
2603     ;;
2604     x86)
2605         subarch="x86_32"
2606         check_cc <<EOF && subarch="x86_64"
2607         int test[(int)sizeof(char*) - 7];
2608 EOF
2609         if test "$subarch" = "x86_64"; then
2610             spic=$shared
2611         fi
2612     ;;
2613     ppc)
2614         check_cc <<EOF && subarch="ppc64"
2615         int test[(int)sizeof(char*) - 7];
2616 EOF
2617     ;;
2618 esac
2619
2620 enable $subarch
2621 enabled spic && enable pic
2622
2623 # OS specific
2624 case $target_os in
2625     haiku)
2626         prefix_default="/boot/common"
2627         network_extralibs="-lnetwork"
2628         host_libs=
2629         ;;
2630     sunos)
2631         FFSERVERLDFLAGS=""
2632         SHFLAGS='-shared -Wl,-h,$$(@F)'
2633         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2634         network_extralibs="-lsocket -lnsl"
2635         add_cppflags -D__EXTENSIONS__
2636         # When using suncc to build, the Solaris linker will mark
2637         # an executable with each instruction set encountered by
2638         # the Solaris assembler.  As our libraries contain their own
2639         # guards for processor-specific code, instead suppress
2640         # generation of the HWCAPS ELF section on Solaris x86 only.
2641         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2642         nm_opts='-P -g'
2643         ;;
2644     netbsd)
2645         disable symver
2646         oss_indev_extralibs="-lossaudio"
2647         oss_outdev_extralibs="-lossaudio"
2648         ;;
2649     openbsd)
2650         enable malloc_aligned
2651         # On OpenBSD 4.5. the compiler does not use PIC unless
2652         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2653         # however the generated executable will not do anything
2654         # (simply quits with exit-code 1, no crash, no output).
2655         # Thus explicitly enable PIC here.
2656         enable pic
2657         disable symver
2658         SHFLAGS='-shared'
2659         oss_indev_extralibs="-lossaudio"
2660         oss_outdev_extralibs="-lossaudio"
2661         ;;
2662     dragonfly)
2663         enable malloc_aligned
2664         disable symver
2665         ;;
2666     freebsd)
2667         enable malloc_aligned
2668         ;;
2669     bsd/os)
2670         add_extralibs -lpoll -lgnugetopt
2671         strip="strip -d"
2672         ;;
2673     darwin)
2674         enable malloc_aligned
2675         gas="gas-preprocessor.pl $cc"
2676         enabled ppc && add_asflags -force_cpusubtype_ALL
2677         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2678         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2679         strip="${strip} -x"
2680         add_ldflags -Wl,-dynamic,-search_paths_first
2681         SLIBSUF=".dylib"
2682         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2683         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2684         FFSERVERLDFLAGS=-Wl,-bind_at_load
2685         objformat="macho"
2686         enabled x86_64 && objformat="macho64"
2687         enabled_any pic shared ||
2688             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2689         ;;
2690     mingw32*)
2691         if test $target_os = "mingw32ce"; then
2692             disable network
2693         else
2694             target_os=mingw32
2695         fi
2696         LIBTARGET=i386
2697         if enabled x86_64; then
2698             enable malloc_aligned
2699             LIBTARGET=x64
2700         elif enabled arm; then
2701             LIBTARGET=arm-wince
2702         fi
2703         shlibdir_default="$bindir_default"
2704         SLIBPREF=""
2705         SLIBSUF=".dll"
2706         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2707         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2708         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2709         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2710         SLIB_INSTALL_LINKS=
2711         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2712         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2713         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'
2714         objformat="win32"
2715         enable dos_paths
2716         check_cflags -fno-common
2717         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2718                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2719                 die "ERROR: MinGW runtime version must be >= 3.15."
2720         add_cppflags -U__STRICT_ANSI__
2721         ;;
2722     cygwin*)
2723         target_os=cygwin
2724         shlibdir_default="$bindir_default"
2725         SLIBPREF="cyg"
2726         SLIBSUF=".dll"
2727         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2728         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2729         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2730         objformat="win32"
2731         enable dos_paths
2732         check_cflags -fno-common
2733         add_cppflags -U__STRICT_ANSI__
2734         ;;
2735     *-dos|freedos|opendos)
2736         network_extralibs="-lsocket"
2737         objformat="coff"
2738         enable dos_paths
2739         add_cppflags -U__STRICT_ANSI__
2740         ;;
2741     linux)
2742         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2743         enable dv1394
2744         ;;
2745     irix*)
2746         target_os=irix
2747         ranlib="echo ignoring ranlib"
2748         ;;
2749     os/2*)
2750         strip="lxlite -CS"
2751         ln_s="cp -f"
2752         objformat="aout"
2753         add_cppflags -D_GNU_SOURCE
2754         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2755         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2756         FFSERVERLDFLAGS=""
2757         LIBSUF="_s.a"
2758         SLIBPREF=""
2759         SLIBSUF=".dll"
2760         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2761         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2762         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2763           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2764           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2765           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2766           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2767           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2768         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2769           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2770         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2771         enable dos_paths
2772         enable_weak os2threads
2773         ;;
2774     gnu/kfreebsd)
2775         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2776         ;;
2777     gnu)
2778         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2779         ;;
2780     qnx)
2781         add_cppflags -D_QNX_SOURCE
2782         network_extralibs="-lsocket"
2783         ;;
2784     symbian)
2785         SLIBSUF=".dll"
2786         enable dos_paths
2787         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2788         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2789         add_ldflags -Wl,--target1-abs,--no-undefined \
2790                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2791                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2792         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2793                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2794                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2795         ;;
2796     none)
2797         ;;
2798     *)
2799         die "Unknown OS '$target_os'."
2800         ;;
2801 esac
2802
2803 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2804
2805 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2806
2807 set_default $PATHS_LIST
2808
2809 # we need to build at least one lib type
2810 if ! enabled_any static shared; then
2811     cat <<EOF
2812 At least one library type must be built.
2813 Specify --enable-static to build the static libraries or --enable-shared to
2814 build the shared libraries as well. To only build the shared libraries specify
2815 --disable-static in addition to --enable-shared.
2816 EOF
2817     exit 1;
2818 fi
2819
2820 die_license_disabled() {
2821     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2822 }
2823
2824 die_license_disabled gpl libcdio
2825 die_license_disabled gpl libutvideo
2826 die_license_disabled gpl libx264
2827 die_license_disabled gpl libxavs
2828 die_license_disabled gpl libxvid
2829 die_license_disabled gpl x11grab
2830
2831 die_license_disabled nonfree libaacplus
2832 die_license_disabled nonfree libfaac
2833 die_license_disabled nonfree openssl
2834
2835 die_license_disabled version3 libopencore_amrnb
2836 die_license_disabled version3 libopencore_amrwb
2837 die_license_disabled version3 libvo_aacenc
2838 die_license_disabled version3 libvo_amrwbenc
2839
2840 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2841
2842 disabled optimizations || check_cflags -fomit-frame-pointer
2843
2844 enable_pic() {
2845     enable pic
2846     add_cppflags -DPIC
2847     add_cflags   -fPIC
2848     add_asflags  -fPIC
2849 }
2850
2851 enabled pic && enable_pic
2852
2853 check_cc <<EOF || die "Symbol mangling check failed."
2854 int ff_extern;
2855 EOF
2856 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2857 extern_prefix=${sym%%ff_extern*}
2858
2859 check_cc <<EOF && enable inline_asm
2860 void foo(void) { __asm__ volatile ("" ::); }
2861 EOF
2862
2863 _restrict=
2864 for restrict_keyword in restrict __restrict__ __restrict; do
2865     check_cc <<EOF && _restrict=$restrict_keyword && break
2866 void foo(char * $restrict_keyword p);
2867 EOF
2868 done
2869
2870 check_cc <<EOF && enable attribute_packed
2871 struct { int x; } __attribute__((packed)) x;
2872 EOF
2873
2874 check_cc <<EOF && enable attribute_may_alias
2875 union { int x; } __attribute__((may_alias)) x;
2876 EOF
2877
2878 check_cc <<EOF || die "endian test failed"
2879 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2880 EOF
2881 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2882
2883 if enabled alpha; then
2884
2885     check_cflags -mieee
2886
2887 elif enabled arm; then
2888
2889     enabled thumb && check_cflags -mthumb || check_cflags -marm
2890     nogas=die
2891
2892     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2893         enable vfp_args
2894     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2895         case "${cross_prefix:-$cc}" in
2896             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2897             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2898 __asm__ (".eabi_attribute 28, 1");
2899 int main(void) { return 0; }
2900 EOF
2901         esac
2902         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2903     fi
2904
2905     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2906     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2907     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2908     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2909     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2910     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2911
2912     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2913
2914     enabled_all armv6t2 shared !pic && enable_pic
2915
2916 elif enabled mips; then
2917
2918     check_asm loongson '"dmult.g $1, $2, $3"'
2919     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2920
2921 elif enabled ppc; then
2922
2923     enable local_aligned_8 local_aligned_16
2924
2925     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2926     check_asm ibm_asm   '"add 0, 0, 0"'
2927     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2928     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2929
2930     # AltiVec flags: The FSF version of GCC differs from the Apple version
2931     if enabled altivec; then
2932         nogas=warn
2933         check_cflags -maltivec -mabi=altivec &&
2934         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2935         check_cflags -faltivec
2936
2937         # check if our compiler supports Motorola AltiVec C API
2938         check_cc <<EOF || disable altivec
2939 $inc_altivec_h
2940 int main(void) {
2941     vector signed int v1, v2, v3;
2942     v1 = vec_add(v2,v3);
2943     return 0;
2944 }
2945 EOF
2946
2947         # check if our compiler supports braces for vector declarations
2948         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2949 $inc_altivec_h
2950 int main (void) { (vector int) {1}; return 0; }
2951 EOF
2952     fi
2953
2954 elif enabled sparc; then
2955
2956     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2957         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2958
2959 elif enabled x86; then
2960
2961     enable local_aligned_8 local_aligned_16
2962
2963     # check whether EBP is available on x86
2964     # As 'i' is stored on the stack, this program will crash
2965     # if the base pointer is used to access it because the
2966     # base pointer is cleared in the inline assembly code.
2967     check_exec_crash <<EOF && enable ebp_available
2968     volatile int i=0;
2969     __asm__ volatile (
2970         "xorl %%ebp, %%ebp"
2971     ::: "%ebp");
2972     return i;
2973 EOF
2974
2975     # check whether EBX is available on x86
2976     check_asm ebx_available '""::"b"(0)' &&
2977         check_asm ebx_available '"":::"%ebx"'
2978
2979     # check whether xmm clobbers are supported
2980     check_asm xmm_clobbers '"":::"%xmm0"'
2981
2982     # check whether binutils is new enough to compile SSSE3/MMX2
2983     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2984     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2985
2986     if ! disabled_any asm mmx yasm; then
2987         if check_cmd $yasmexe --version; then
2988             enabled x86_64 && yasm_extra="-m amd64"
2989             yasm_debug="-g dwarf2"
2990         elif check_cmd nasm -v; then
2991             yasmexe=nasm
2992             yasm_debug="-g -F dwarf"
2993             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2994         fi
2995
2996         YASMFLAGS="-f $objformat $yasm_extra"
2997         enabled pic               && append YASMFLAGS "-DPIC"
2998         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2999         case "$objformat" in
3000             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3001         esac
3002
3003         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3004             die "yasm not found, use --disable-yasm for a crippled build"
3005         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3006     fi
3007
3008     case "$cpu" in
3009         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3010             disable fast_clz
3011         ;;
3012     esac
3013
3014 fi
3015
3016 if enabled asm; then
3017     as=${gas:=$as}
3018     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3019         $nogas "GNU assembler not found, install gas-preprocessor"
3020 fi
3021
3022 check_ldflags -Wl,--as-needed
3023
3024 if check_func dlopen; then
3025     ldl=
3026 elif check_func dlopen -ldl; then
3027     ldl=-ldl
3028 fi
3029
3030 if enabled network; then
3031     check_type "sys/types.h sys/socket.h" socklen_t
3032     check_type netdb.h "struct addrinfo"
3033     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3034     check_type netinet/in.h "struct sockaddr_in6"
3035     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3036     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3037     # Prefer arpa/inet.h over winsock2
3038     if check_header arpa/inet.h ; then
3039         check_func closesocket
3040     elif check_header winsock2.h ; then
3041         check_func_headers winsock2.h closesocket -lws2 && \
3042             network_extralibs="-lws2" || \
3043         { check_func_headers winsock2.h closesocket -lws2_32 && \
3044             network_extralibs="-lws2_32"; }
3045         check_type ws2tcpip.h socklen_t
3046         check_type ws2tcpip.h "struct addrinfo"
3047         check_type ws2tcpip.h "struct ipv6_mreq"
3048         check_type ws2tcpip.h "struct sockaddr_in6"
3049         check_type ws2tcpip.h "struct sockaddr_storage"
3050         check_struct winsock2.h "struct sockaddr" sa_len
3051     else
3052         disable network
3053     fi
3054 fi
3055
3056 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3057 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3058
3059 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3060 check_func  fcntl
3061 check_func  fork
3062 check_func  getaddrinfo $network_extralibs
3063 check_func  gethrtime
3064 check_func  getrusage
3065 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3066 check_func  inet_aton $network_extralibs
3067 check_func  isatty
3068 check_func  localtime_r
3069 check_func  ${malloc_prefix}memalign            && enable memalign
3070 check_func  mkstemp
3071 check_func  mmap
3072 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3073 check_func  setrlimit
3074 check_func  strerror_r
3075 check_func  strptime
3076 check_func  sched_getaffinity
3077 check_func  sysconf
3078 check_func  sysctl
3079 check_func_headers conio.h kbhit
3080 check_func_headers windows.h PeekNamedPipe
3081 check_func_headers io.h setmode
3082 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3083 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3084 check_func_headers windows.h GetProcessAffinityMask
3085 check_func_headers windows.h GetProcessTimes
3086 check_func_headers windows.h MapViewOfFile
3087 check_func_headers windows.h VirtualAlloc
3088 check_func_headers glob.h glob
3089
3090 check_header dlfcn.h
3091 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3092 check_header libcrystalhd/libcrystalhd_if.h
3093 check_header malloc.h
3094 check_header poll.h
3095 check_header sys/mman.h
3096 check_header sys/param.h
3097 check_header sys/resource.h
3098 check_header sys/select.h
3099 check_header termios.h
3100 check_header vdpau/vdpau.h
3101 check_header vdpau/vdpau_x11.h
3102 check_header X11/extensions/XvMClib.h
3103 check_header asm/types.h
3104
3105 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3106 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3107
3108 # check for VDA header
3109 if ! disabled vda; then
3110     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3111         enable vda
3112         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3113     fi
3114 fi
3115
3116 if ! disabled w32threads && ! enabled pthreads; then
3117     check_func _beginthreadex && enable w32threads
3118 fi
3119
3120 # check for some common methods of building with pthread support
3121 # do this before the optional library checks as some of them require pthreads
3122 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3123     enable pthreads
3124     if check_func pthread_create; then
3125         :
3126     elif check_func pthread_create -pthread; then
3127         add_cflags -pthread
3128         add_extralibs -pthread
3129     elif check_func pthread_create -pthreads; then
3130         add_cflags -pthreads
3131         add_extralibs -pthreads
3132     elif check_func pthread_create -lpthreadGC2; then
3133         add_extralibs -lpthreadGC2
3134     elif ! check_lib pthread.h pthread_create -lpthread; then
3135         disable pthreads
3136     fi
3137 fi
3138
3139 for thread in $THREADS_LIST; do
3140     if enabled $thread; then
3141         test -n "$thread_type" &&
3142             die "ERROR: Only one thread type must be selected." ||
3143             thread_type="$thread"
3144     fi
3145 done
3146
3147 check_lib math.h sin -lm && LIBM="-lm"
3148 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3149 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3150
3151 check_mathfunc cbrtf
3152 check_mathfunc exp2
3153 check_mathfunc exp2f
3154 check_mathfunc llrint
3155 check_mathfunc llrintf
3156 check_mathfunc log2
3157 check_mathfunc log2f
3158 check_mathfunc lrint
3159 check_mathfunc lrintf
3160 check_mathfunc round
3161 check_mathfunc roundf
3162 check_mathfunc trunc
3163 check_mathfunc truncf
3164
3165 # these are off by default, so fail if requested and not available
3166 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3167 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3168 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3169 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3170 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3171 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3172 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3173                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3174                         die "ERROR: libcelt version must be >= 0.11.0."; }
3175 enabled libdirac   && require_pkg_config dirac                          \
3176     "libdirac_decoder/dirac_parser.h"  \
3177     "dirac_decoder_init"
3178 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3179 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3180 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3181 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3182 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3183 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3184 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3185 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3186 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3187 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3188 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3189 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3190 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3191 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3192 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3193     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3194     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3195 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3196 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3197 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3198 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3199 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3200 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3201 enabled libvpx     && {
3202     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3203                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3204     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3205                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3206 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3207                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3208                         die "ERROR: libx264 version must be >= 0.118."; }
3209 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3210 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3211 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3212                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3213                         die "ERROR: openal not found"; } &&
3214                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3215                         die "ERROR: openal version must be 1.1 or compatible"; }
3216 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3217                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3218                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3219                         die "ERROR: openssl not found"; }
3220
3221 # libdc1394 check
3222 if enabled libdc1394; then
3223     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3224         enable libdc1394_2; } ||
3225     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3226         enable libdc1394_1; } ||
3227     die "ERROR: No version of libdc1394 found "
3228 fi
3229
3230 SDL_CONFIG="${cross_prefix}sdl-config"
3231 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3232     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3233     enable sdl &&
3234     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3235 else
3236   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3237     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3238     sdl_libs=$("${SDL_CONFIG}" --libs)
3239     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3240     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3241     enable sdl &&
3242     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3243   fi
3244 fi
3245 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3246
3247 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3248 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3249
3250 check_header linux/fb.h
3251 check_header linux/videodev.h
3252 check_header linux/videodev2.h
3253 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3254
3255 check_header sys/videoio.h
3256
3257 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3258 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3259 # w32api 3.12 had it defined wrong
3260 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3261
3262 check_type "dshow.h" IBaseFilter
3263
3264 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3265 { check_header dev/bktr/ioctl_meteor.h &&
3266   check_header dev/bktr/ioctl_bt848.h; } ||
3267 { check_header machine/ioctl_meteor.h &&
3268   check_header machine/ioctl_bt848.h; } ||
3269 { check_header dev/video/meteor/ioctl_meteor.h &&
3270   check_header dev/video/bktr/ioctl_bt848.h; } ||
3271 check_header dev/ic/bt8xx.h
3272
3273 check_header sndio.h
3274 if check_struct sys/soundcard.h audio_buf_info bytes; then
3275     enable_safe sys/soundcard.h
3276 else
3277     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3278     #include <sys/soundcard.h>
3279     audio_buf_info abc;
3280 EOF
3281 fi
3282 check_header soundcard.h
3283
3284 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3285
3286 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3287
3288 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3289
3290 enabled libcdio &&
3291     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3292
3293 enabled x11grab                                           &&
3294 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3295 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3296 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3297
3298 if ! disabled vaapi; then
3299     check_lib va/va.h vaInitialize -lva && {
3300         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3301         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3302     } || disable vaapi
3303 fi
3304
3305 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3306 check_cpp_condition \
3307     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3308     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3309       disable vdpau; }
3310 fi
3311
3312 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3313 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3314 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"
3315
3316 # add some useful compiler flags if supported
3317 check_cflags -Wdeclaration-after-statement
3318 check_cflags -Wall
3319 check_cflags -Wno-parentheses
3320 check_cflags -Wno-switch
3321 check_cflags -Wno-format-zero-length
3322 check_cflags -Wdisabled-optimization
3323 check_cflags -Wpointer-arith
3324 check_cflags -Wredundant-decls
3325 check_cflags -Wno-pointer-sign
3326 check_cflags -Wcast-qual
3327 check_cflags -Wwrite-strings
3328 check_cflags -Wtype-limits
3329 check_cflags -Wundef
3330 check_cflags -Wmissing-prototypes
3331 check_cflags -Wno-pointer-to-int-cast
3332 check_cflags -Wstrict-prototypes
3333 enabled extra_warnings && check_cflags -Winline
3334
3335 # add some linker flags
3336 check_ldflags -Wl,--warn-common
3337 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3338 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3339
3340 enabled xmm_clobber_test &&                             \
3341     check_ldflags -Wl,--wrap,avcodec_open2              \
3342                   -Wl,--wrap,avcodec_decode_audio4      \
3343                   -Wl,--wrap,avcodec_decode_video2      \
3344                   -Wl,--wrap,avcodec_decode_subtitle2   \
3345                   -Wl,--wrap,avcodec_encode_audio2      \
3346                   -Wl,--wrap,avcodec_encode_video       \
3347                   -Wl,--wrap,avcodec_encode_subtitle    \
3348                   -Wl,--wrap,sws_scale ||               \
3349     disable xmm_clobber_test
3350
3351 echo "X{};" > $TMPV
3352 if test_ldflags -Wl,--version-script,$TMPV; then
3353     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3354     check_cc <<EOF && enable symver_asm_label
3355 void ff_foo(void) __asm__ ("av_foo@VERSION");
3356 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3357 EOF
3358     check_cc <<EOF && enable symver_gnu_asm
3359 __asm__(".symver ff_foo,av_foo@VERSION");
3360 void ff_foo(void) {}
3361 EOF
3362 fi
3363
3364 if [ -n "$optflags" ]; then
3365     add_cflags $optflags
3366 elif enabled small; then
3367     add_cflags $size_cflags
3368 elif enabled optimizations; then
3369     add_cflags $speed_cflags
3370 else
3371     add_cflags $noopt_cflags
3372 fi
3373 check_cflags -fno-math-errno
3374 check_cflags -fno-signed-zeros
3375 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3376 int x;
3377 EOF
3378
3379
3380 if enabled icc; then
3381     # Just warnings, no remarks
3382     check_cflags -w1
3383     # -wd: Disable following warnings
3384     # 144, 167, 556: -Wno-pointer-sign
3385     # 1292: attribute "foo" ignored
3386     # 10006: ignoring unknown option -fno-signed-zeros
3387     # 10148: ignoring unknown option -Wno-parentheses
3388     # 10156: ignoring option '-W'; no argument required
3389     check_cflags -wd144,167,556,1292,10006,10148,10156
3390     # 11030: Warning unknown option --as-needed
3391     # 10156: ignoring option '-export'; no argument required
3392     check_ldflags -wd10156,11030
3393     # Allow to compile with optimizations
3394     check_ldflags -march=$cpu
3395     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3396     enable ebp_available
3397     if enabled x86_32; then
3398         test ${icc_version%%.*} -ge 11 && \
3399             check_cflags -falign-stack=maintain-16-byte || \
3400             disable aligned_stack
3401     fi
3402 elif enabled ccc; then
3403     # disable some annoying warnings
3404     add_cflags -msg_disable cvtu32to64
3405     add_cflags -msg_disable embedcomment
3406     add_cflags -msg_disable needconstext
3407     add_cflags -msg_disable nomainieee
3408     add_cflags -msg_disable ptrmismatch1
3409     add_cflags -msg_disable unreachcode
3410 elif enabled gcc; then
3411     check_cflags -fno-tree-vectorize
3412     check_cflags -Werror=implicit-function-declaration
3413     check_cflags -Werror=missing-prototypes
3414 elif enabled llvm_gcc; then
3415     check_cflags -mllvm -stack-alignment=16
3416 elif enabled clang; then
3417     check_cflags -mllvm -stack-alignment=16
3418     check_cflags -Qunused-arguments
3419 elif enabled armcc; then
3420     # 2523: use of inline assembler is deprecated
3421     add_cflags -W${armcc_opt},--diag_suppress=2523
3422     add_cflags -W${armcc_opt},--diag_suppress=1207
3423     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3424     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3425     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3426     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3427 elif enabled tms470; then
3428     add_cflags -pds=824 -pds=837
3429 elif enabled pathscale; then
3430     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3431 fi
3432
3433 enabled_any $THREADS_LIST      && enable threads
3434
3435 check_deps $CONFIG_LIST       \
3436            $CONFIG_EXTRA      \
3437            $HAVE_LIST         \
3438            $ALL_COMPONENTS    \
3439            $ALL_TESTS         \
3440
3441 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3442
3443 if test $target_os = "haiku"; then
3444     disable memalign
3445     disable posix_memalign
3446 fi
3447
3448 ! enabled_any memalign posix_memalign malloc_aligned &&
3449     enabled_any $need_memalign && enable memalign_hack
3450
3451 # add_dep lib dep
3452 # -> enable ${lib}_deps_${dep}
3453 # -> add $dep to ${lib}_deps only once
3454 add_dep() {
3455     lib=$1
3456     dep=$2
3457     enabled "${lib}_deps_${dep}" && return 0
3458     enable  "${lib}_deps_${dep}"
3459     prepend "${lib}_deps" $dep
3460 }
3461
3462 # merge deps lib components
3463 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3464 merge_deps() {
3465     lib=$1
3466     shift
3467     for comp in $*; do
3468         enabled $comp || continue
3469         eval "dep=\"\$${comp}_deps\""
3470         for d in $dep; do
3471             add_dep $lib $d
3472         done
3473     done
3474 }
3475
3476 merge_deps libavfilter $FILTER_LIST
3477
3478 echo "install prefix            $prefix"
3479 echo "source path               $source_path"
3480 echo "C compiler                $cc"
3481 echo "ARCH                      $arch ($cpu)"
3482 if test "$build_suffix" != ""; then
3483     echo "build suffix              $build_suffix"
3484 fi
3485 if test "$progs_suffix" != ""; then
3486     echo "progs suffix              $progs_suffix"
3487 fi
3488 if test "$extra_version" != ""; then
3489     echo "version string suffix     $extra_version"
3490 fi
3491 echo "big-endian                ${bigendian-no}"
3492 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3493 if enabled x86; then
3494     echo "${yasmexe}                      ${yasm-no}"
3495     echo "MMX enabled               ${mmx-no}"
3496     echo "MMX2 enabled              ${mmx2-no}"
3497     echo "3DNow! enabled            ${amd3dnow-no}"
3498     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3499     echo "SSE enabled               ${sse-no}"
3500     echo "SSSE3 enabled             ${ssse3-no}"
3501     echo "AVX enabled               ${avx-no}"
3502     echo "CMOV enabled              ${cmov-no}"
3503     echo "CMOV is fast              ${fast_cmov-no}"
3504     echo "EBX available             ${ebx_available-no}"
3505     echo "EBP available             ${ebp_available-no}"
3506 fi
3507 if enabled arm; then
3508     echo "ARMv5TE enabled           ${armv5te-no}"
3509     echo "ARMv6 enabled             ${armv6-no}"
3510     echo "ARMv6T2 enabled           ${armv6t2-no}"
3511     echo "ARM VFP enabled           ${armvfp-no}"
3512     echo "NEON enabled              ${neon-no}"
3513 fi
3514 if enabled mips; then
3515     echo "MMI enabled               ${mmi-no}"
3516 fi
3517 if enabled ppc; then
3518     echo "AltiVec enabled           ${altivec-no}"
3519     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3520     echo "dcbzl available           ${dcbzl-no}"
3521 fi
3522 if enabled sparc; then
3523     echo "VIS enabled               ${vis-no}"
3524 fi
3525 echo "debug symbols             ${debug-no}"
3526 echo "strip symbols             ${stripping-no}"
3527 echo "optimize for size         ${small-no}"
3528 echo "optimizations             ${optimizations-no}"
3529 echo "static                    ${static-no}"
3530 echo "shared                    ${shared-no}"
3531 echo "postprocessing support    ${postproc-no}"
3532 echo "new filter support        ${avfilter-no}"
3533 echo "network support           ${network-no}"
3534 echo "threading support         ${thread_type-no}"
3535 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3536 echo "SDL support               ${sdl-no}"
3537 echo "libdxva2 enabled          ${dxva2-no}"
3538 echo "libva enabled             ${vaapi-no}"
3539 echo "libvdpau enabled          ${vdpau-no}"
3540 echo "AVISynth enabled          ${avisynth-no}"
3541 echo "frei0r enabled            ${frei0r-no}"
3542 echo "gnutls enabled            ${gnutls-no}"
3543 echo "libaacplus enabled        ${libaacplus-no}"
3544 echo "libass enabled            ${libass-no}"
3545 echo "libcdio support           ${libcdio-no}"
3546 echo "libcelt enabled           ${libcelt-no}"
3547 echo "libdc1394 support         ${libdc1394-no}"
3548 echo "libdirac enabled          ${libdirac-no}"
3549 echo "libfaac enabled           ${libfaac-no}"
3550 echo "libgsm enabled            ${libgsm-no}"
3551 echo "libmodplug enabled        ${libmodplug-no}"
3552 echo "libmp3lame enabled        ${libmp3lame-no}"
3553 echo "libnut enabled            ${libnut-no}"
3554 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3555 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3556 echo "libopencv support         ${libopencv-no}"
3557 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3558 echo "libpulse enabled          ${libpulse-no}"
3559 echo "librtmp enabled           ${librtmp-no}"
3560 echo "libschroedinger enabled   ${libschroedinger-no}"
3561 echo "libspeex enabled          ${libspeex-no}"
3562 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3563 echo "libtheora enabled         ${libtheora-no}"
3564 echo "libutvideo enabled        ${libutvideo-no}"
3565 echo "libv4l2 enabled           ${libv4l2-no}"
3566 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3567 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3568 echo "libvorbis enabled         ${libvorbis-no}"
3569 echo "libvpx enabled            ${libvpx-no}"
3570 echo "libx264 enabled           ${libx264-no}"
3571 echo "libxavs enabled           ${libxavs-no}"
3572 echo "libxvid enabled           ${libxvid-no}"
3573 echo "openal enabled            ${openal-no}"
3574 echo "openssl enabled           ${openssl-no}"
3575 echo "zlib enabled              ${zlib-no}"
3576 echo "bzlib enabled             ${bzlib-no}"
3577 echo
3578
3579 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3580     echo "Enabled ${type}s:"
3581     eval list=\$$(toupper $type)_LIST
3582     print_enabled '_*' $list | sort | pr -r -3 -t
3583     echo
3584 done
3585
3586 license="LGPL version 2.1 or later"
3587 if enabled nonfree; then
3588     license="nonfree and unredistributable"
3589 elif enabled gplv3; then
3590     license="GPL version 3 or later"
3591 elif enabled lgplv3; then
3592     license="LGPL version 3 or later"
3593 elif enabled gpl; then
3594     license="GPL version 2 or later"
3595 fi
3596
3597 echo "License: $license"
3598
3599 echo "Creating config.mak and config.h..."
3600
3601 test -e Makefile || $ln_s "$source_path/Makefile" .
3602
3603 enabled stripping || strip="echo skipping strip"
3604
3605 config_files="$TMPH config.mak"
3606
3607 cat > config.mak <<EOF
3608 # Automatically generated by configure - do not modify!
3609 ifndef FFMPEG_CONFIG_MAK
3610 FFMPEG_CONFIG_MAK=1
3611 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3612 prefix=$prefix
3613 LIBDIR=\$(DESTDIR)$libdir
3614 SHLIBDIR=\$(DESTDIR)$shlibdir
3615 INCDIR=\$(DESTDIR)$incdir
3616 BINDIR=\$(DESTDIR)$bindir
3617 DATADIR=\$(DESTDIR)$datadir
3618 MANDIR=\$(DESTDIR)$mandir
3619 SRC_PATH=$source_path
3620 ifndef MAIN_MAKEFILE
3621 SRC_PATH:=\$(SRC_PATH:.%=..%)
3622 endif
3623 CC_IDENT=$cc_ident
3624 ARCH=$arch
3625 CC=$cc
3626 CXX=$cxx
3627 AS=$as
3628 LD=$ld
3629 DEPCC=$dep_cc
3630 YASM=$yasmexe
3631 YASMDEP=$yasmexe
3632 AR=$ar
3633 RANLIB=$ranlib
3634 CP=cp -p
3635 LN_S=$ln_s
3636 STRIP=$strip
3637 CPPFLAGS=$CPPFLAGS
3638 CFLAGS=$CFLAGS
3639 CXXFLAGS=$CXXFLAGS
3640 ASFLAGS=$ASFLAGS
3641 AS_O=$CC_O
3642 CC_O=$CC_O
3643 CXX_O=$CXX_O
3644 LDFLAGS=$LDFLAGS
3645 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3646 SHFLAGS=$SHFLAGS
3647 YASMFLAGS=$YASMFLAGS
3648 BUILDSUF=$build_suffix
3649 PROGSSUF=$progs_suffix
3650 FULLNAME=$FULLNAME
3651 LIBPREF=$LIBPREF
3652 LIBSUF=$LIBSUF
3653 LIBNAME=$LIBNAME
3654 SLIBPREF=$SLIBPREF
3655 SLIBSUF=$SLIBSUF
3656 EXESUF=$EXESUF
3657 EXTRA_VERSION=$extra_version
3658 DEPFLAGS=$DEPFLAGS
3659 CCDEP=$CCDEP
3660 CXXDEP=$CXXDEP
3661 ASDEP=$ASDEP
3662 CC_DEPFLAGS=$CC_DEPFLAGS
3663 AS_DEPFLAGS=$AS_DEPFLAGS
3664 HOSTCC=$host_cc
3665 HOSTCFLAGS=$host_cflags
3666 HOSTEXESUF=$HOSTEXESUF
3667 HOSTLDFLAGS=$host_ldflags
3668 HOSTLIBS=$host_libs
3669 TARGET_EXEC=$target_exec
3670 TARGET_PATH=$target_path
3671 SDL_LIBS=$sdl_libs
3672 SDL_CFLAGS=$sdl_cflags
3673 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3674 EXTRALIBS=$extralibs
3675 INSTALL=$install
3676 LIBTARGET=${LIBTARGET}
3677 SLIBNAME=${SLIBNAME}
3678 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3679 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3680 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3681 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3682 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3683 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3684 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3685 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3686 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3687 NOREDZONE_FLAGS=$noredzone_flags
3688 EOF
3689
3690 get_version(){
3691     name=$1
3692     file=$source_path/$2
3693 # This condition will be removed when we stop supporting old libpostproc versions
3694 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3695     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3696     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3697 fi
3698     lcname=$(tolower $name)
3699     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3700     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3701 }
3702
3703 get_version LIBAVCODEC  libavcodec/version.h
3704 get_version LIBAVDEVICE libavdevice/avdevice.h
3705 get_version LIBAVFILTER libavfilter/version.h
3706 get_version LIBAVFORMAT libavformat/version.h
3707 get_version LIBAVUTIL   libavutil/avutil.h
3708 get_version LIBPOSTPROC libpostproc/postprocess.h
3709 get_version LIBSWRESAMPLE libswresample/swresample.h
3710 get_version LIBSWSCALE  libswscale/swscale.h
3711
3712 cat > $TMPH <<EOF
3713 /* Automatically generated by configure - do not modify! */
3714 #ifndef FFMPEG_CONFIG_H
3715 #define FFMPEG_CONFIG_H
3716 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3717 #define FFMPEG_LICENSE "$(c_escape $license)"
3718 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3719 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3720 #define CC_TYPE "$cc_type"
3721 #define CC_VERSION $cc_version
3722 #define restrict $_restrict
3723 #define EXTERN_PREFIX "${extern_prefix}"
3724 #define EXTERN_ASM ${extern_prefix}
3725 #define SLIBSUF "$SLIBSUF"
3726 EOF
3727
3728 test -n "$assert_level" &&
3729     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
3730
3731 test -n "$malloc_prefix" &&
3732     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3733
3734 if enabled small || disabled optimizations; then
3735     echo "#undef  av_always_inline"  >> $TMPH
3736     if enabled small; then
3737         echo "#define av_always_inline inline"  >> $TMPH
3738     else
3739         echo "#define av_always_inline av_unused"  >> $TMPH
3740     fi
3741 fi
3742
3743 if enabled yasm; then
3744     append config_files $TMPASM
3745     printf '' >$TMPASM
3746 fi
3747
3748 print_config ARCH_   "$config_files" $ARCH_LIST
3749 print_config HAVE_   "$config_files" $HAVE_LIST
3750 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3751                                      $CONFIG_EXTRA      \
3752                                      $ALL_COMPONENTS    \
3753
3754 cat >>config.mak <<EOF
3755 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3756 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3757 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3758 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3759 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3760 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3761 EOF
3762
3763 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3764 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3765
3766 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3767 cp_if_changed $TMPH config.h
3768 touch .config
3769
3770 enabled yasm && cp_if_changed $TMPASM config.asm
3771
3772 cat > $TMPH <<EOF
3773 /* Generated by ffconf */
3774 #ifndef AVUTIL_AVCONFIG_H
3775 #define AVUTIL_AVCONFIG_H
3776 EOF
3777
3778 test "$postproc_version" != current && cat >> $TMPH <<EOF
3779 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3780 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3781 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3782 EOF
3783
3784 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3785
3786 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3787
3788 cp_if_changed $TMPH libavutil/avconfig.h
3789
3790 test -n "$WARNINGS" && printf "\n$WARNINGS"
3791
3792 # build pkg-config files
3793
3794 pkgconfig_generate(){
3795 name=$1
3796 shortname=${name#lib}${build_suffix}
3797 comment=$2
3798 version=$3
3799 libs=$4
3800 requires=$5
3801 enabled ${name#lib} || return 0
3802 mkdir -p $name
3803 cat <<EOF > $name/$name.pc
3804 prefix=$prefix
3805 exec_prefix=\${prefix}
3806 libdir=$libdir
3807 includedir=$incdir
3808
3809 Name: $name
3810 Description: $comment
3811 Version: $version
3812 Requires: $(enabled shared || echo $requires)
3813 Requires.private: $(enabled shared && echo $requires)
3814 Conflicts:
3815 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3816 Libs.private: $(enabled shared && echo $libs)
3817 Cflags: -I\${includedir}
3818 EOF
3819 cat <<EOF > $name/$name-uninstalled.pc
3820 prefix=
3821 exec_prefix=
3822 libdir=\${pcfiledir}
3823 includedir=${source_path}
3824
3825 Name: $name
3826 Description: $comment
3827 Version: $version
3828 Requires: $requires
3829 Conflicts:
3830 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3831 Cflags: -I\${includedir}
3832 EOF
3833 }
3834
3835 libavfilter_pc_deps=""
3836 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3837 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3838 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3839 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3840 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3841 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3842
3843 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
3844 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
3845
3846 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3847 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3848 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3849 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
3850 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3851 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3852 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3853 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"