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-avresample     disable libavresample build [no]
 116   --disable-pthreads       disable pthreads [auto]
 117   --disable-w32threads     disable Win32 threads [auto]
 118   --disable-os2threads     disable OS/2 threads [auto]
 119   --enable-x11grab         enable X11 grabbing [no]
 120   --disable-network        disable network support [no]
 121   --disable-dct            disable DCT code
 122   --disable-mdct           disable MDCT code
 123   --disable-rdft           disable RDFT code
 124   --disable-fft            disable FFT code
 125   --enable-dxva2           enable DXVA2 code
 126   --enable-vaapi           enable VAAPI code [autodetect]
 127   --enable-vda             enable VDA code   [autodetect]
 128   --enable-vdpau           enable VDPAU code [autodetect]
 129
 130 Individual component options:
 131   --disable-everything     disable all components listed below
 132   --disable-encoder=NAME   disable encoder NAME
 133   --enable-encoder=NAME    enable encoder NAME
 134   --disable-encoders       disable all encoders
 135   --disable-decoder=NAME   disable decoder NAME
 136   --enable-decoder=NAME    enable decoder NAME
 137   --disable-decoders       disable all decoders
 138   --disable-hwaccel=NAME   disable hwaccel NAME
 139   --enable-hwaccel=NAME    enable hwaccel NAME
 140   --disable-hwaccels       disable all hwaccels
 141   --disable-muxer=NAME     disable muxer NAME
 142   --enable-muxer=NAME      enable muxer NAME
 143   --disable-muxers         disable all muxers
 144   --disable-demuxer=NAME   disable demuxer NAME
 145   --enable-demuxer=NAME    enable demuxer NAME
 146   --disable-demuxers       disable all demuxers
 147   --enable-parser=NAME     enable parser NAME
 148   --disable-parser=NAME    disable parser NAME
 149   --disable-parsers        disable all parsers
 150   --enable-bsf=NAME        enable bitstream filter NAME
 151   --disable-bsf=NAME       disable bitstream filter NAME
 152   --disable-bsfs           disable all bitstream filters
 153   --enable-protocol=NAME   enable protocol NAME
 154   --disable-protocol=NAME  disable protocol NAME
 155   --disable-protocols      disable all protocols
 156   --enable-indev=NAME      enable input device NAME
 157   --disable-indev=NAME     disable input device NAME
 158   --disable-indevs         disable input devices
 159   --enable-outdev=NAME     enable output device NAME
 160   --disable-outdev=NAME    disable output device NAME
 161   --disable-outdevs        disable output devices
 162   --disable-devices        disable all devices
 163   --enable-filter=NAME     enable filter NAME
 164   --disable-filter=NAME    disable filter NAME
 165   --disable-filters        disable all filters
 166
 167 External library support:
 168   --enable-avisynth        enable reading of AVISynth script files [no]
 169   --enable-bzlib           enable bzlib [autodetect]
 170   --enable-fontconfig      enable fontconfig
 171   --enable-frei0r          enable frei0r video filtering
 172   --enable-gnutls          enable gnutls [no]
 173   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
 174   --enable-libass          enable libass subtitles rendering [no]
 175   --enable-libbluray       enable BluRay reading using libbluray [no]
 176   --enable-libcelt         enable CELT decoding via libcelt [no]
 177   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 178   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 179   --enable-libopencv       enable video filtering via libopencv [no]
 180   --enable-libcdio         enable audio CD grabbing with libcdio
 181   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 182                            and libraw1394 [no]
 183   --enable-libfaac         enable FAAC support via libfaac [no]
 184   --enable-libfreetype     enable libfreetype [no]
 185   --enable-libgsm          enable GSM support via libgsm [no]
 186   --enable-libmodplug      enable ModPlug via libmodplug [no]
 187   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
 188   --enable-libnut          enable NUT (de)muxing via libnut,
 189                            native (de)muxer exists [no]
 190   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
 191   --enable-libpulse        enable Pulseaudio input via libpulse [no]
 192   --enable-librtmp         enable RTMP[E] support via librtmp [no]
 193   --enable-libschroedinger enable Dirac support via libschroedinger [no]
 194   --enable-libspeex        enable Speex support via libspeex [no]
 195   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
 196   --enable-libtheora       enable Theora encoding via libtheora [no]
 197   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
 198   --enable-libv4l2         enable libv4l2/v4l-utils [no]
 199   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
 200   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
 201   --enable-libvorbis       enable Vorbis encoding via libvorbis,
 202                            native implementation exists [no]
 203   --enable-libvpx          enable VP8 support via libvpx [no]
 204   --enable-libx264         enable H.264 encoding via x264 [no]
 205   --enable-libxavs         enable AVS encoding via xavs [no]
 206   --enable-libxvid         enable Xvid encoding via xvidcore,
 207                            native MPEG-4/Xvid encoder exists [no]
 208   --enable-openal          enable OpenAL 1.1 capture support [no]
 209   --enable-openssl         enable openssl [no]
 210   --enable-zlib            enable zlib [autodetect]
 211
 212 Advanced options (experts only):
 213   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
 214   --enable-cross-compile   assume a cross-compiler is used
 215   --sysroot=PATH           root of cross-build tree
 216   --sysinclude=PATH        location of cross-build system headers
 217   --target-os=OS           compiler targets OS [$target_os]
 218   --target-exec=CMD        command to run executables on target
 219   --target-path=DIR        path to view of build directory on target
 220   --nm=NM                  use nm tool NM [$nm_default]
 221   --ar=AR                  use archive tool AR [$ar_default]
 222   --as=AS                  use assembler AS [$as_default]
 223   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
 224   --cc=CC                  use C compiler CC [$cc_default]
 225   --cxx=CXX                use C compiler CXX [$cxx_default]
 226   --ld=LD                  use linker LD [$ld_default]
 227   --host-cc=HOSTCC         use host C compiler HOSTCC
 228   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 229   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 230   --host-libs=HLIBS        use libs HLIBS when linking for host
 231   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 232   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
 233   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
 234   --extra-libs=ELIBS       add ELIBS [$ELIBS]
 235   --extra-version=STRING   version string suffix []
 236   --optflags               override optimization-related compiler flags
 237   --build-suffix=SUFFIX    library name suffix []
 238   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
 239   --progs-suffix=SUFFIX    program name suffix []
 240   --arch=ARCH              select architecture [$arch]
 241   --cpu=CPU                select the minimum required CPU (affects
 242                            instruction selection, may crash on older CPUs)
 243   --enable-pic             build position-independent code
 244   --enable-sram            allow use of on-chip SRAM
 245   --disable-symver         disable symbol versioning
 246   --disable-fastdiv        disable table-based division
 247   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 248   --disable-safe-bitstream-reader
 249                            disable buffer boundary checking in bitreaders
 250                            (faster, but may crash)
 251   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 252
 253 Optimization options (experts only):
 254   --disable-asm            disable all assembler optimizations
 255   --disable-altivec        disable AltiVec optimizations
 256   --disable-amd3dnow       disable 3DNow! optimizations
 257   --disable-amd3dnowext    disable 3DNow! extended optimizations
 258   --disable-mmx            disable MMX optimizations
 259   --disable-mmx2           disable MMX2 optimizations
 260   --disable-sse            disable SSE optimizations
 261   --disable-ssse3          disable SSSE3 optimizations
 262   --disable-avx            disable AVX optimizations
 263   --disable-armv5te        disable armv5te optimizations
 264   --disable-armv6          disable armv6 optimizations
 265   --disable-armv6t2        disable armv6t2 optimizations
 266   --disable-armvfp         disable ARM VFP optimizations
 267   --disable-mmi            disable MMI optimizations
 268   --disable-neon           disable NEON optimizations
 269   --disable-vis            disable VIS optimizations
 270   --disable-yasm           disable use of yasm assembler
 271   --postproc-version=V     build libpostproc version V.
 272                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
 273
 274 Developer options (useful when working on FFmpeg itself):
 275   --enable-coverage        build with test coverage instrumentation
 276   --disable-debug          disable debugging symbols
 277   --enable-debug=LEVEL     set the debug level [$debuglevel]
 278   --disable-optimizations  disable compiler optimizations
 279   --enable-extra-warnings  enable more compiler warnings
 280   --disable-stripping      disable stripping of executables and shared libraries
 281   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
 282                            2 causes a slowdown at runtime.
 283   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
 284                            leaks and errors, using the specified valgrind binary.
 285                            Cannot be combined with --target-exec
 286   --samples=PATH           location of test samples for FATE, if not set use
 287                            \$FATE_SAMPLES at make invocation time.
 288   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
 289                            should be used only for debugging purposes)
 290
 291 NOTE: Object files are built at the place where configure is launched.
 292 EOF
 293   exit 0
 294 }
 295
 296 quotes='""'
 297
 298 log(){
 299     echo "$@" >> $logfile
 300 }
 301
 302 log_file(){
 303     log BEGIN $1
 304     pr -n -t $1 >> $logfile
 305     log END $1
 306 }
 307
 308 echolog(){
 309     log "$@"
 310     echo "$@"
 311 }
 312
 313 warn(){
 314     log "WARNING: $*"
 315     WARNINGS="${WARNINGS}WARNING: $*\n"
 316 }
 317
 318 die(){
 319     echolog "$@"
 320     cat <<EOF
 321
 322 If you think configure made a mistake, make sure you are using the latest
 323 version from Git.  If the latest version fails, report the problem to the
 324 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 325 EOF
 326     if disabled logging; then
 327         cat <<EOF
 328 Rerun configure with logging enabled (do not use --disable-logging), and
 329 include the log this produces with your report.
 330 EOF
 331     else
 332 cat <<EOF
 333 Include the log file "$logfile" produced by configure as this will help
 334 solving the problem.
 335 EOF
 336     fi
 337     exit 1
 338 }
 339
 340 # Avoid locale weirdness, besides we really just want to translate ASCII.
 341 toupper(){
 342     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 343 }
 344
 345 tolower(){
 346     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 347 }
 348
 349 c_escape(){
 350     echo "$*" | sed 's/["\\]/\\\0/g'
 351 }
 352
 353 sh_quote(){
 354     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 355     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 356     echo "$v"
 357 }
 358
 359 cleanws(){
 360     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 361 }
 362
 363 filter(){
 364     pat=$1
 365     shift
 366     for v; do
 367         eval "case $v in $pat) echo $v ;; esac"
 368     done
 369 }
 370
 371 filter_out(){
 372     pat=$1
 373     shift
 374     for v; do
 375         eval "case $v in $pat) ;; *) echo $v ;; esac"
 376     done
 377 }
 378
 379 map(){
 380     m=$1
 381     shift
 382     for v; do eval $m; done
 383 }
 384
 385 set_all(){
 386     value=$1
 387     shift
 388     for var in $*; do
 389         eval $var=$value
 390     done
 391 }
 392
 393 set_weak(){
 394     value=$1
 395     shift
 396     for var; do
 397         eval : \${$var:=$value}
 398     done
 399 }
 400
 401 set_safe(){
 402     var=$1
 403     shift
 404     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 405 }
 406
 407 get_safe(){
 408     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 409 }
 410
 411 pushvar(){
 412     for var in $*; do
 413         eval level=\${${var}_level:=0}
 414         eval ${var}_${level}="\$$var"
 415         eval ${var}_level=$(($level+1))
 416     done
 417 }
 418
 419 popvar(){
 420     for var in $*; do
 421         eval level=\${${var}_level:-0}
 422         test $level = 0 && continue
 423         eval level=$(($level-1))
 424         eval $var="\${${var}_${level}}"
 425         eval ${var}_level=$level
 426         eval unset ${var}_${level}
 427     done
 428 }
 429
 430 enable(){
 431     set_all yes $*
 432 }
 433
 434 disable(){
 435     set_all no $*
 436 }
 437
 438 enable_weak(){
 439     set_weak yes $*
 440 }
 441
 442 disable_weak(){
 443     set_weak no $*
 444 }
 445
 446 enable_safe(){
 447     for var; do
 448         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 449     done
 450 }
 451
 452 disable_safe(){
 453     for var; do
 454         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 455     done
 456 }
 457
 458 do_enable_deep(){
 459     for var; do
 460         enabled $var && continue
 461         eval sel="\$${var}_select"
 462         eval sgs="\$${var}_suggest"
 463         pushvar var sgs
 464         enable_deep $sel
 465         popvar sgs
 466         enable_deep_weak $sgs
 467         popvar var
 468     done
 469 }
 470
 471 enable_deep(){
 472     do_enable_deep $*
 473     enable $*
 474 }
 475
 476 enable_deep_weak(){
 477     do_enable_deep $*
 478     enable_weak $*
 479 }
 480
 481 enabled(){
 482     test "${1#!}" = "$1" && op== || op=!=
 483     eval test "x\$${1#!}" $op "xyes"
 484 }
 485
 486 disabled(){
 487     test "${1#!}" = "$1" && op== || op=!=
 488     eval test "x\$${1#!}" $op "xno"
 489 }
 490
 491 enabled_all(){
 492     for opt; do
 493         enabled $opt || return 1
 494     done
 495 }
 496
 497 disabled_all(){
 498     for opt; do
 499         disabled $opt || return 1
 500     done
 501 }
 502
 503 enabled_any(){
 504     for opt; do
 505         enabled $opt && return 0
 506     done
 507 }
 508
 509 disabled_any(){
 510     for opt; do
 511         disabled $opt && return 0
 512     done
 513     return 1
 514 }
 515
 516 set_default(){
 517     for opt; do
 518         eval : \${$opt:=\$${opt}_default}
 519     done
 520 }
 521
 522 is_in(){
 523     value=$1
 524     shift
 525     for var in $*; do
 526         [ $var = $value ] && return 0
 527     done
 528     return 1
 529 }
 530
 531 check_deps(){
 532     for cfg; do
 533         cfg="${cfg#!}"
 534         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 535         disabled ${cfg}_checking && continue
 536         enable ${cfg}_checking
 537
 538         eval dep_all="\$${cfg}_deps"
 539         eval dep_any="\$${cfg}_deps_any"
 540         eval dep_sel="\$${cfg}_select"
 541         eval dep_sgs="\$${cfg}_suggest"
 542         eval dep_ifa="\$${cfg}_if"
 543         eval dep_ifn="\$${cfg}_if_any"
 544
 545         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 546         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 547         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 548
 549         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 550         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 551         enabled_all  $dep_all || disable $cfg
 552         enabled_any  $dep_any || disable $cfg
 553         disabled_any $dep_sel && disable $cfg
 554
 555         if enabled $cfg; then
 556             eval dep_extralibs="\$${cfg}_extralibs"
 557             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 558             enable_deep $dep_sel
 559             enable_deep_weak $dep_sgs
 560         fi
 561
 562         disable ${cfg}_checking
 563     done
 564 }
 565
 566 print_config_h(){
 567     enabled $1 && v=1 || v=0
 568     echo "#define $2 $v"
 569 }
 570
 571 print_config_mak(){
 572     enabled $1 && v= || v=!
 573     echo "$v$2=yes"
 574 }
 575
 576 print_config_asm(){
 577     enabled $1 && v=1 || v=0
 578     echo "%define $2 $v"
 579 }
 580
 581 print_config(){
 582     pfx=$1
 583     files=$2
 584     shift 2
 585     for cfg; do
 586         ucname="$(toupper $cfg)"
 587         for f in $files; do
 588             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 589         done
 590     done
 591 }
 592
 593 print_enabled(){
 594     test "$1" = -n && end=" " && shift || end="\n"
 595     suf=$1
 596     shift
 597     for v; do
 598         enabled $v && printf "%s$end" ${v%$suf};
 599     done
 600 }
 601
 602 append(){
 603     var=$1
 604     shift
 605     eval "$var=\"\$$var $*\""
 606 }
 607
 608 prepend(){
 609     var=$1
 610     shift
 611     eval "$var=\"$* \$$var\""
 612 }
 613
 614 add_cppflags(){
 615     append CPPFLAGS $($filter_cppflags "$@")
 616 }
 617
 618 add_cflags(){
 619     append CFLAGS $($filter_cflags "$@")
 620 }
 621
 622 add_cxxflags(){
 623     append CXXFLAGS $($filter_cflags "$@")
 624 }
 625
 626 add_asflags(){
 627     append ASFLAGS $($filter_asflags "$@")
 628 }
 629
 630 add_ldflags(){
 631     append LDFLAGS "$@"
 632 }
 633
 634 add_extralibs(){
 635     prepend extralibs "$@"
 636 }
 637
 638 check_cmd(){
 639     log "$@"
 640     "$@" >> $logfile 2>&1
 641 }
 642
 643 check_cc(){
 644     log check_cc "$@"
 645     cat > $TMPC
 646     log_file $TMPC
 647     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 648 }
 649
 650 check_cxx(){
 651     log check_cxx "$@"
 652     cat > $TMPCPP
 653     log_file $TMPCPP
 654     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
 655 }
 656
 657 check_cpp(){
 658     log check_cpp "$@"
 659     cat > $TMPC
 660     log_file $TMPC
 661     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 662 }
 663
 664 check_as(){
 665     log check_as "$@"
 666     cat > $TMPC
 667     log_file $TMPC
 668     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 669 }
 670
 671 check_asm(){
 672     log check_asm "$@"
 673     name="$1"
 674     code="$2"
 675     shift 2
 676     disable $name
 677     check_as "$@" <<EOF && enable $name
 678 void foo(void){ __asm__ volatile($code); }
 679 EOF
 680 }
 681
 682 check_yasm(){
 683     log check_yasm "$@"
 684     echo "$1" > $TMPS
 685     log_file $TMPS
 686     shift 1
 687     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 688 }
 689
 690 check_ld(){
 691     log check_ld "$@"
 692     type=$1
 693     shift 1
 694     flags=''
 695     libs=''
 696     for f; do
 697         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 698     done
 699     check_$type $($filter_cflags $flags) || return
 700     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
 701 }
 702
 703 check_cppflags(){
 704     log check_cppflags "$@"
 705     set -- $($filter_cppflags "$@")
 706     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 707 int x;
 708 EOF
 709 }
 710
 711 check_cflags(){
 712     log check_cflags "$@"
 713     set -- $($filter_cflags "$@")
 714     check_cc "$@" <<EOF && append CFLAGS "$@"
 715 int x;
 716 EOF
 717 }
 718
 719 check_cxxflags(){
 720     log check_cxxflags "$@"
 721     set -- $($filter_cflags "$@")
 722     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 723 int x;
 724 EOF
 725 }
 726
 727 test_ldflags(){
 728     log test_ldflags "$@"
 729     check_ld "cc" "$@" <<EOF
 730 int main(void){ return 0; }
 731 EOF
 732 }
 733
 734 check_ldflags(){
 735     log check_ldflags "$@"
 736     test_ldflags "$@" && add_ldflags "$@"
 737 }
 738
 739 check_header(){
 740     log check_header "$@"
 741     header=$1
 742     shift
 743     disable_safe $header
 744     check_cpp "$@" <<EOF && enable_safe $header
 745 #include <$header>
 746 int x;
 747 EOF
 748 }
 749
 750 check_func(){
 751     log check_func "$@"
 752     func=$1
 753     shift
 754     disable $func
 755     check_ld "cc" "$@" <<EOF && enable $func
 756 extern int $func();
 757 int main(void){ $func(); }
 758 EOF
 759 }
 760
 761 check_mathfunc(){
 762     log check_mathfunc "$@"
 763     func=$1
 764     shift
 765     disable $func
 766     check_ld "cc" "$@" <<EOF && enable $func
 767 #include <math.h>
 768 float foo(float f) { return $func(f); }
 769 int main(void){ return (int) foo; }
 770 EOF
 771 }
 772
 773 check_func_headers(){
 774     log check_func_headers "$@"
 775     headers=$1
 776     funcs=$2
 777     shift 2
 778     {
 779         for hdr in $headers; do
 780             echo "#include <$hdr>"
 781         done
 782         for func in $funcs; do
 783             echo "long check_$func(void) { return (long) $func; }"
 784         done
 785         echo "int main(void) { return 0; }"
 786     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 787 }
 788
 789 check_class_headers_cpp(){
 790     log check_class_headers_cpp "$@"
 791     headers=$1
 792     classes=$2
 793     shift 2
 794     {
 795         for hdr in $headers; do
 796             echo "#include <$hdr>"
 797         done
 798         echo "int main(void) { "
 799         i=1
 800         for class in $classes; do
 801             echo "$class obj$i;"
 802             i=$(expr $i + 1)
 803         done
 804         echo "return 0; }"
 805     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 806 }
 807
 808 check_cpp_condition(){
 809     log check_cpp_condition "$@"
 810     header=$1
 811     condition=$2
 812     shift 2
 813     check_cpp $($filter_cppflags "$@") <<EOF
 814 #include <$header>
 815 #if !($condition)
 816 #error "unsatisfied condition: $condition"
 817 #endif
 818 EOF
 819 }
 820
 821 check_lib(){
 822     log check_lib "$@"
 823     header="$1"
 824     func="$2"
 825     shift 2
 826     check_header $header && check_func $func "$@" && add_extralibs "$@"
 827 }
 828
 829 check_lib2(){
 830     log check_lib2 "$@"
 831     headers="$1"
 832     funcs="$2"
 833     shift 2
 834     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 835 }
 836
 837 check_lib_cpp(){
 838     log check_lib_cpp "$@"
 839     headers="$1"
 840     classes="$2"
 841     shift 2
 842     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 843 }
 844
 845 check_pkg_config(){
 846     log check_pkg_config "$@"
 847     pkg="$1"
 848     headers="$2"
 849     funcs="$3"
 850     shift 3
 851     $pkg_config --exists $pkg 2>/dev/null || return
 852     pkg_cflags=$($pkg_config --cflags $pkg)
 853     pkg_libs=$($pkg_config --libs $pkg)
 854     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 855         set_safe ${pkg}_cflags $pkg_cflags   &&
 856         set_safe ${pkg}_libs   $pkg_libs
 857 }
 858
 859 check_exec(){
 860     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 861 }
 862
 863 check_exec_crash(){
 864     code=$(cat)
 865
 866     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 867     # are safe but may not be available everywhere.  Thus we use
 868     # raise(SIGTERM) instead.  The check is run in a subshell so we
 869     # can redirect the "Terminated" message from the shell.  SIGBUS
 870     # is not defined by standard C so it is used conditionally.
 871
 872     (check_exec "$@") >> $logfile 2>&1 <<EOF
 873 #include <signal.h>
 874 static void sighandler(int sig){
 875     raise(SIGTERM);
 876 }
 877 int func(void){
 878     $code
 879 }
 880 int (*func_ptr)(void) = func;
 881 int main(void){
 882     signal(SIGILL, sighandler);
 883     signal(SIGFPE, sighandler);
 884     signal(SIGSEGV, sighandler);
 885 #ifdef SIGBUS
 886     signal(SIGBUS, sighandler);
 887 #endif
 888     return func_ptr();
 889 }
 890 EOF
 891 }
 892
 893 check_type(){
 894     log check_type "$@"
 895     headers=$1
 896     type=$2
 897     shift 2
 898     disable_safe "$type"
 899     incs=""
 900     for hdr in $headers; do
 901         incs="$incs
 902 #include <$hdr>"
 903     done
 904     check_cc "$@" <<EOF && enable_safe "$type"
 905 $incs
 906 $type v;
 907 EOF
 908 }
 909
 910 check_struct(){
 911     log check_type "$@"
 912     headers=$1
 913     struct=$2
 914     member=$3
 915     shift 3
 916     disable_safe "${struct}_${member}"
 917     incs=""
 918     for hdr in $headers; do
 919         incs="$incs
 920 #include <$hdr>"
 921     done
 922     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
 923 $incs
 924 const void *p = &(($struct *)0)->$member;
 925 EOF
 926 }
 927
 928 require(){
 929     name="$1"
 930     header="$2"
 931     func="$3"
 932     shift 3
 933     check_lib $header $func "$@" || die "ERROR: $name not found"
 934 }
 935
 936 require2(){
 937     name="$1"
 938     headers="$2"
 939     func="$3"
 940     shift 3
 941     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 942 }
 943
 944 require_cpp(){
 945     name="$1"
 946     headers="$2"
 947     classes="$3"
 948     shift 3
 949     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
 950 }
 951
 952 require_pkg_config(){
 953     pkg="$1"
 954     check_pkg_config "$@" || die "ERROR: $pkg not found"
 955     add_cflags    $(get_safe ${pkg}_cflags)
 956     add_extralibs $(get_safe ${pkg}_libs)
 957 }
 958
 959 check_host_cc(){
 960     log check_host_cc "$@"
 961     cat > $TMPC
 962     log_file $TMPC
 963     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
 964 }
 965
 966 check_host_cflags(){
 967     log check_host_cflags "$@"
 968     check_host_cc "$@" <<EOF && append host_cflags "$@"
 969 int x;
 970 EOF
 971 }
 972
 973 apply(){
 974     file=$1
 975     shift
 976     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 977 }
 978
 979 cp_if_changed(){
 980     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
 981     mkdir -p "$(dirname $2)"
 982     cp -f "$1" "$2"
 983 }
 984
 985 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 986 # system-dependent things.
 987
 988 COMPONENT_LIST="
 989     bsfs
 990     decoders
 991     demuxers
 992     encoders
 993     filters
 994     hwaccels
 995     indevs
 996     muxers
 997     outdevs
 998     parsers
 999     protocols
1000 "
1001
1002 PROGRAM_LIST="
1003     ffplay
1004     ffprobe
1005     ffserver
1006     ffmpeg
1007 "
1008
1009 CONFIG_LIST="
1010     $COMPONENT_LIST
1011     $PROGRAM_LIST
1012     ac3dsp
1013     avcodec
1014     avdevice
1015     avfilter
1016     avformat
1017     avresample
1018     avisynth
1019     bzlib
1020     crystalhd
1021     dct
1022     doc
1023     dwt
1024     dxva2
1025     fastdiv
1026     fft
1027     fontconfig
1028     frei0r
1029     gnutls
1030     gpl
1031     gray
1032     hardcoded_tables
1033     libaacplus
1034     libass
1035     libbluray
1036     libcdio
1037     libcelt
1038     libdc1394
1039     libfaac
1040     libfreetype
1041     libgsm
1042     libmodplug
1043     libmp3lame
1044     libnut
1045     libopencore_amrnb
1046     libopencore_amrwb
1047     libopencv
1048     libopenjpeg
1049     libpulse
1050     librtmp
1051     libschroedinger
1052     libspeex
1053     libstagefright_h264
1054     libtheora
1055     libutvideo
1056     libv4l2
1057     libvo_aacenc
1058     libvo_amrwbenc
1059     libvorbis
1060     libvpx
1061     libx264
1062     libxavs
1063     libxvid
1064     lsp
1065     mdct
1066     memalign_hack
1067     mpegaudiodsp
1068     network
1069     nonfree
1070     openal
1071     openssl
1072     pic
1073     postproc
1074     rdft
1075     rtpdec
1076     runtime_cpudetect
1077     safe_bitstream_reader
1078     shared
1079     sinewin
1080     small
1081     sram
1082     static
1083     swresample
1084     swscale
1085     swscale_alpha
1086     thumb
1087     vaapi
1088     vda
1089     vdpau
1090     version3
1091     xmm_clobber_test
1092     x11grab
1093     zlib
1094 "
1095
1096 THREADS_LIST='
1097     pthreads
1098     w32threads
1099     os2threads
1100 '
1101
1102 ARCH_LIST='
1103     alpha
1104     arm
1105     avr32
1106     avr32_ap
1107     avr32_uc
1108     bfin
1109     ia64
1110     m68k
1111     mips
1112     mips64
1113     parisc
1114     ppc
1115     ppc64
1116     s390
1117     sh4
1118     sparc
1119     sparc64
1120     tomi
1121     x86
1122     x86_32
1123     x86_64
1124 '
1125
1126 ARCH_EXT_LIST='
1127     altivec
1128     amd3dnow
1129     amd3dnowext
1130     armv5te
1131     armv6
1132     armv6t2
1133     armvfp
1134     avx
1135     mmi
1136     mmx
1137     mmx2
1138     neon
1139     ppc4xx
1140     sse
1141     ssse3
1142     vfpv3
1143     vis
1144 '
1145
1146 HAVE_LIST_PUB='
1147     bigendian
1148     fast_unaligned
1149 '
1150
1151 HAVE_LIST="
1152     $ARCH_EXT_LIST
1153     $HAVE_LIST_PUB
1154     $THREADS_LIST
1155     aligned_stack
1156     alsa_asoundlib_h
1157     altivec_h
1158     arpa_inet_h
1159     asm_mod_y
1160     asm_types_h
1161     attribute_may_alias
1162     attribute_packed
1163     cbrtf
1164     clock_gettime
1165     closesocket
1166     cmov
1167     dcbzl
1168     dev_bktr_ioctl_bt848_h
1169     dev_bktr_ioctl_meteor_h
1170     dev_ic_bt8xx_h
1171     dev_video_bktr_ioctl_bt848_h
1172     dev_video_meteor_ioctl_meteor_h
1173     dlfcn_h
1174     dlopen
1175     dos_paths
1176     ebp_available
1177     ebx_available
1178     exp2
1179     exp2f
1180     fast_64bit
1181     fast_clz
1182     fast_cmov
1183     fcntl
1184     fork
1185     getaddrinfo
1186     gethrtime
1187     GetProcessAffinityMask
1188     GetProcessMemoryInfo
1189     GetProcessTimes
1190     getrusage
1191     glob
1192     gnu_as
1193     ibm_asm
1194     inet_aton
1195     inline_asm
1196     isatty
1197     kbhit
1198     ldbrx
1199     libdc1394_1
1200     libdc1394_2
1201     llrint
1202     llrintf
1203     local_aligned_16
1204     local_aligned_8
1205     localtime_r
1206     log2
1207     log2f
1208     loongson
1209     lrint
1210     lrintf
1211     lzo1x_999_compress
1212     machine_ioctl_bt848_h
1213     machine_ioctl_meteor_h
1214     makeinfo
1215     malloc_h
1216     MapViewOfFile
1217     memalign
1218     mkstemp
1219     mmap
1220     PeekNamedPipe
1221     poll_h
1222     posix_memalign
1223     round
1224     roundf
1225     sched_getaffinity
1226     sdl
1227     sdl_video_size
1228     setmode
1229     setrlimit
1230     sndio_h
1231     socklen_t
1232     soundcard_h
1233     strerror_r
1234     strptime
1235     struct_addrinfo
1236     struct_ipv6_mreq
1237     struct_rusage_ru_maxrss
1238     struct_sockaddr_in6
1239     struct_sockaddr_sa_len
1240     struct_sockaddr_storage
1241     struct_v4l2_frmivalenum_discrete
1242     symver
1243     symver_asm_label
1244     symver_gnu_asm
1245     sysconf
1246     sysctl
1247     sys_mman_h
1248     sys_param_h
1249     sys_resource_h
1250     sys_select_h
1251     sys_soundcard_h
1252     sys_videoio_h
1253     termios_h
1254     threads
1255     trunc
1256     truncf
1257     vfp_args
1258     VirtualAlloc
1259     winsock2_h
1260     xform_asm
1261     xmm_clobbers
1262     yasm
1263 "
1264
1265 # options emitted with CONFIG_ prefix but not available on command line
1266 CONFIG_EXTRA="
1267     aandct
1268     avutil
1269     golomb
1270     gplv3
1271     h264chroma
1272     h264dsp
1273     h264pred
1274     h264qpel
1275     huffman
1276     lgplv3
1277     lpc
1278 "
1279
1280 CMDLINE_SELECT="
1281     $ARCH_EXT_LIST
1282     $CONFIG_LIST
1283     $THREADS_LIST
1284     asm
1285     coverage
1286     cross_compile
1287     debug
1288     extra_warnings
1289     logging
1290     optimizations
1291     stripping
1292     symver
1293     yasm
1294 "
1295
1296 PATHS_LIST='
1297     bindir
1298     datadir
1299     incdir
1300     libdir
1301     mandir
1302     prefix
1303     shlibdir
1304 '
1305
1306 CMDLINE_SET="
1307     $PATHS_LIST
1308     ar
1309     arch
1310     as
1311     assert_level
1312     build_suffix
1313     cc
1314     cpu
1315     cross_prefix
1316     cxx
1317     dep_cc
1318     extra_version
1319     host_cc
1320     host_cflags
1321     host_ldflags
1322     host_libs
1323     host_os
1324     install
1325     ld
1326     logfile
1327     malloc_prefix
1328     nm
1329     optflags
1330     pkg_config
1331     postproc_version
1332     progs_suffix
1333     samples
1334     strip
1335     sysinclude
1336     sysroot
1337     target_exec
1338     target_os
1339     target_path
1340     valgrind
1341     yasmexe
1342 "
1343
1344 CMDLINE_APPEND="
1345     extra_cflags
1346     extra_cxxflags
1347 "
1348
1349 # code dependency declarations
1350
1351 # architecture extensions
1352
1353 armv5te_deps="arm"
1354 armv6_deps="arm"
1355 armv6t2_deps="arm"
1356 armvfp_deps="arm"
1357 neon_deps="arm"
1358 vfpv3_deps="armvfp"
1359
1360 mmi_deps="mips"
1361
1362 altivec_deps="ppc"
1363 ppc4xx_deps="ppc"
1364
1365 vis_deps="sparc"
1366
1367 x86_64_suggest="cmov fast_cmov"
1368 amd3dnow_deps="mmx"
1369 amd3dnowext_deps="amd3dnow"
1370 mmx_deps="x86"
1371 mmx2_deps="mmx"
1372 sse_deps="mmx"
1373 ssse3_deps="sse"
1374 avx_deps="ssse3"
1375
1376 aligned_stack_if_any="ppc x86"
1377 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1378 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1379 fast_unaligned_if_any="armv6 ppc x86"
1380
1381 inline_asm_deps="!tms470"
1382 need_memalign="altivec neon sse"
1383
1384 symver_if_any="symver_asm_label symver_gnu_asm"
1385
1386 # subsystems
1387 dct_select="rdft"
1388 mdct_select="fft"
1389 rdft_select="fft"
1390 mpegaudiodsp_select="dct"
1391
1392 # decoders / encoders / hardware accelerators
1393 aac_decoder_select="mdct sinewin"
1394 aac_encoder_select="mdct sinewin"
1395 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1396 ac3_decoder_select="mdct ac3dsp ac3_parser"
1397 ac3_encoder_select="mdct ac3dsp"
1398 ac3_fixed_encoder_select="mdct ac3dsp"
1399 alac_encoder_select="lpc"
1400 amrnb_decoder_select="lsp"
1401 amrwb_decoder_select="lsp"
1402 atrac1_decoder_select="mdct sinewin"
1403 atrac3_decoder_select="mdct"
1404 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1405 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1406 cavs_decoder_select="golomb"
1407 cook_decoder_select="mdct sinewin"
1408 cscd_decoder_suggest="zlib"
1409 dca_decoder_select="mdct"
1410 dnxhd_encoder_select="aandct"
1411 dxa_decoder_select="zlib"
1412 eac3_decoder_select="ac3_decoder"
1413 eac3_encoder_select="mdct ac3dsp"
1414 eamad_decoder_select="aandct"
1415 eatgq_decoder_select="aandct"
1416 eatqi_decoder_select="aandct"
1417 ffv1_decoder_select="golomb"
1418 flac_decoder_select="golomb"
1419 flac_encoder_select="golomb lpc"
1420 flashsv_decoder_select="zlib"
1421 flashsv_encoder_select="zlib"
1422 flashsv2_encoder_select="zlib"
1423 flashsv2_decoder_select="zlib"
1424 flv_decoder_select="h263_decoder"
1425 flv_encoder_select="h263_encoder"
1426 fraps_decoder_select="huffman"
1427 h261_encoder_select="aandct"
1428 h263_decoder_select="h263_parser"
1429 h263_encoder_select="aandct"
1430 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1431 h263i_decoder_select="h263_decoder"
1432 h263p_encoder_select="h263_encoder"
1433 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1434 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1435 h264_dxva2_hwaccel_deps="dxva2api_h"
1436 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1437 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1438 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1439 h264_vda_hwaccel_select="vda h264_decoder"
1440 h264_vdpau_decoder_select="vdpau h264_decoder"
1441 imc_decoder_select="fft mdct sinewin"
1442 jpegls_decoder_select="golomb"
1443 jpegls_encoder_select="golomb"
1444 ljpeg_encoder_select="aandct"
1445 loco_decoder_select="golomb"
1446 mjpeg_encoder_select="aandct"
1447 mlp_decoder_select="mlp_parser"
1448 mp1_decoder_select="mpegaudiodsp"
1449 mp1float_decoder_select="mpegaudiodsp"
1450 mp2_decoder_select="mpegaudiodsp"
1451 mp2float_decoder_select="mpegaudiodsp"
1452 mp3_decoder_select="mpegaudiodsp"
1453 mp3adu_decoder_select="mpegaudiodsp"
1454 mp3adufloat_decoder_select="mpegaudiodsp"
1455 mp3float_decoder_select="mpegaudiodsp"
1456 mp3on4_decoder_select="mpegaudiodsp"
1457 mp3on4float_decoder_select="mpegaudiodsp"
1458 mpc7_decoder_select="mpegaudiodsp"
1459 mpc8_decoder_select="mpegaudiodsp"
1460 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1461 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1462 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1463 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1464 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1465 mpeg1video_encoder_select="aandct"
1466 mpeg2_crystalhd_decoder_select="crystalhd"
1467 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1468 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1469 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1470 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1471 mpeg2video_encoder_select="aandct"
1472 mpeg4_crystalhd_decoder_select="crystalhd"
1473 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1474 mpeg4_encoder_select="h263_encoder"
1475 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1476 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1477 msmpeg4_crystalhd_decoder_select="crystalhd"
1478 msmpeg4v1_decoder_select="h263_decoder"
1479 msmpeg4v1_encoder_select="h263_encoder"
1480 msmpeg4v2_decoder_select="h263_decoder"
1481 msmpeg4v2_encoder_select="h263_encoder"
1482 msmpeg4v3_decoder_select="h263_decoder"
1483 msmpeg4v3_encoder_select="h263_encoder"
1484 nellymoser_decoder_select="mdct sinewin"
1485 nellymoser_encoder_select="mdct sinewin"
1486 png_decoder_select="zlib"
1487 png_encoder_select="zlib"
1488 qcelp_decoder_select="lsp"
1489 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1490 ra_144_encoder_select="lpc"
1491 ralf_decoder_select="golomb"
1492 rv10_decoder_select="h263_decoder"
1493 rv10_encoder_select="h263_encoder"
1494 rv20_decoder_select="h263_decoder"
1495 rv20_encoder_select="h263_encoder"
1496 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1497 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1498 shorten_decoder_select="golomb"
1499 sipr_decoder_select="lsp"
1500 snow_decoder_select="dwt"
1501 snow_encoder_select="aandct dwt"
1502 sonic_decoder_select="golomb"
1503 sonic_encoder_select="golomb"
1504 sonic_ls_encoder_select="golomb"
1505 svq1_encoder_select="aandct"
1506 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1507 svq3_decoder_suggest="zlib"
1508 theora_decoder_select="vp3_decoder"
1509 tiff_decoder_suggest="zlib"
1510 tiff_encoder_suggest="zlib"
1511 truehd_decoder_select="mlp_decoder"
1512 tscc_decoder_select="zlib"
1513 twinvq_decoder_select="mdct lsp sinewin"
1514 vc1_crystalhd_decoder_select="crystalhd"
1515 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1516 vc1_dxva2_hwaccel_deps="dxva2api_h"
1517 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1518 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1519 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1520 vc1image_decoder_select="vc1_decoder"
1521 vorbis_decoder_select="mdct"
1522 vorbis_encoder_select="mdct"
1523 vp6_decoder_select="huffman"
1524 vp6a_decoder_select="vp6_decoder"
1525 vp6f_decoder_select="vp6_decoder"
1526 vp8_decoder_select="h264pred h264qpel"
1527 wmapro_decoder_select="mdct sinewin"
1528 wmav1_decoder_select="mdct sinewin"
1529 wmav1_encoder_select="mdct sinewin"
1530 wmav2_decoder_select="mdct sinewin"
1531 wmav2_encoder_select="mdct sinewin"
1532 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1533 wmv1_decoder_select="h263_decoder"
1534 wmv1_encoder_select="h263_encoder"
1535 wmv2_decoder_select="h263_decoder"
1536 wmv2_encoder_select="h263_encoder"
1537 wmv3_decoder_select="vc1_decoder"
1538 wmv3_crystalhd_decoder_select="crystalhd"
1539 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1540 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1541 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1542 wmv3image_decoder_select="wmv3_decoder"
1543 zerocodec_decoder_select="zlib"
1544 zlib_decoder_select="zlib"
1545 zlib_encoder_select="zlib"
1546 zmbv_decoder_select="zlib"
1547 zmbv_encoder_select="zlib"
1548
1549 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1550 vaapi_deps="va_va_h"
1551 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1552 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1553
1554 # parsers
1555 h264_parser_select="golomb h264dsp h264pred"
1556
1557 # external libraries
1558 libaacplus_encoder_deps="libaacplus"
1559 libcelt_decoder_deps="libcelt"
1560 libfaac_encoder_deps="libfaac"
1561 libgsm_decoder_deps="libgsm"
1562 libgsm_encoder_deps="libgsm"
1563 libgsm_ms_decoder_deps="libgsm"
1564 libgsm_ms_encoder_deps="libgsm"
1565 libmodplug_demuxer_deps="libmodplug"
1566 libmp3lame_encoder_deps="libmp3lame"
1567 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1568 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1569 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1570 libopenjpeg_decoder_deps="libopenjpeg"
1571 libopenjpeg_encoder_deps="libopenjpeg"
1572 libschroedinger_decoder_deps="libschroedinger"
1573 libschroedinger_encoder_deps="libschroedinger"
1574 libspeex_decoder_deps="libspeex"
1575 libspeex_encoder_deps="libspeex"
1576 libstagefright_h264_decoder_deps="libstagefright_h264"
1577 libtheora_encoder_deps="libtheora"
1578 libvo_aacenc_encoder_deps="libvo_aacenc"
1579 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1580 libvorbis_encoder_deps="libvorbis"
1581 libvpx_decoder_deps="libvpx"
1582 libvpx_encoder_deps="libvpx"
1583 libx264_encoder_deps="libx264"
1584 libx264rgb_encoder_deps="libx264"
1585 libxavs_encoder_deps="libxavs"
1586 libxvid_encoder_deps="libxvid"
1587 libutvideo_decoder_deps="libutvideo"
1588 libutvideo_encoder_deps="libutvideo"
1589
1590 # demuxers / muxers
1591 ac3_demuxer_select="ac3_parser"
1592 asf_stream_muxer_select="asf_muxer"
1593 avisynth_demuxer_deps="avisynth"
1594 dirac_demuxer_select="dirac_parser"
1595 eac3_demuxer_select="ac3_parser"
1596 flac_demuxer_select="flac_parser"
1597 ipod_muxer_select="mov_muxer"
1598 libnut_demuxer_deps="libnut"
1599 libnut_muxer_deps="libnut"
1600 matroska_audio_muxer_select="matroska_muxer"
1601 matroska_demuxer_suggest="zlib bzlib"
1602 mov_demuxer_suggest="zlib"
1603 mp3_demuxer_select="mpegaudio_parser"
1604 mp4_muxer_select="mov_muxer"
1605 mpegtsraw_demuxer_select="mpegts_demuxer"
1606 mxf_d10_muxer_select="mxf_muxer"
1607 ogg_demuxer_select="golomb"
1608 psp_muxer_select="mov_muxer"
1609 rtp_demuxer_select="sdp_demuxer"
1610 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1611 rtsp_demuxer_select="http_protocol rtpdec"
1612 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1613 sap_demuxer_select="sdp_demuxer"
1614 sap_muxer_select="rtp_muxer rtp_protocol"
1615 sdp_demuxer_select="rtpdec"
1616 spdif_muxer_select="aac_parser"
1617 tg2_muxer_select="mov_muxer"
1618 tgp_muxer_select="mov_muxer"
1619 w64_demuxer_deps="wav_demuxer"
1620
1621 # indevs / outdevs
1622 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1623 alsa_outdev_deps="alsa_asoundlib_h"
1624 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1625 dshow_indev_deps="IBaseFilter"
1626 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1627 dv1394_indev_deps="dv1394 dv_demuxer"
1628 fbdev_indev_deps="linux_fb_h"
1629 jack_indev_deps="jack_jack_h sem_timedwait"
1630 lavfi_indev_deps="avfilter"
1631 libcdio_indev_deps="libcdio"
1632 libdc1394_indev_deps="libdc1394"
1633 libv4l2_indev_deps="libv4l2"
1634 openal_indev_deps="openal"
1635 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1636 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1637 pulse_indev_deps="libpulse"
1638 sdl_outdev_deps="sdl"
1639 sndio_indev_deps="sndio_h"
1640 sndio_outdev_deps="sndio_h"
1641 v4l_indev_deps="linux_videodev_h"
1642 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1643 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1644 vfwcap_indev_extralibs="-lavicap32"
1645 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1646
1647 # protocols
1648 bluray_protocol_deps="libbluray"
1649 gopher_protocol_deps="network"
1650 httpproxy_protocol_deps="network"
1651 httpproxy_protocol_select="tcp_protocol"
1652 http_protocol_deps="network"
1653 http_protocol_select="tcp_protocol"
1654 https_protocol_select="tls_protocol"
1655 librtmp_protocol_deps="librtmp"
1656 librtmpe_protocol_deps="librtmp"
1657 librtmps_protocol_deps="librtmp"
1658 librtmpt_protocol_deps="librtmp"
1659 librtmpte_protocol_deps="librtmp"
1660 mmsh_protocol_select="http_protocol"
1661 mmst_protocol_deps="network"
1662 rtmp_protocol_deps="!librtmp_protocol"
1663 rtmp_protocol_select="tcp_protocol"
1664 rtp_protocol_select="udp_protocol"
1665 tcp_protocol_deps="network"
1666 tls_protocol_deps_any="openssl gnutls"
1667 tls_protocol_select="tcp_protocol"
1668 udp_protocol_deps="network"
1669
1670 # filters
1671 aconvert_filter_deps="swresample"
1672 amovie_filter_deps="avcodec avformat"
1673 aresample_filter_deps="swresample"
1674 ass_filter_deps="libass"
1675 blackframe_filter_deps="gpl"
1676 boxblur_filter_deps="gpl"
1677 colormatrix_filter_deps="gpl"
1678 cropdetect_filter_deps="gpl"
1679 delogo_filter_deps="gpl"
1680 drawtext_filter_deps="libfreetype"
1681 frei0r_filter_deps="frei0r dlopen"
1682 frei0r_filter_extralibs='$ldl'
1683 frei0r_src_filter_deps="frei0r dlopen"
1684 frei0r_src_filter_extralibs='$ldl'
1685 hqdn3d_filter_deps="gpl"
1686 movie_filter_deps="avcodec avformat"
1687 mp_filter_deps="gpl avcodec swscale postproc"
1688 mptestsrc_filter_deps="gpl"
1689 negate_filter_deps="lut_filter"
1690 ocv_filter_deps="libopencv"
1691 pan_filter_deps="swresample"
1692 removelogo_filter_deps="avcodec avformat swscale"
1693 scale_filter_deps="swscale"
1694 super2xsai_filter_deps="gpl"
1695 tinterlace_filter_deps="gpl"
1696 yadif_filter_deps="gpl"
1697
1698 # libraries
1699 avdevice_deps="avcodec avformat"
1700 avfilter_deps="swscale"
1701 avformat_deps="avcodec"
1702 postproc_deps="gpl"
1703
1704 # programs
1705 ffplay_deps="avcodec avformat swscale swresample sdl"
1706 ffplay_select="buffersink_filter rdft"
1707 ffprobe_deps="avcodec avformat"
1708 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1709 ffserver_extralibs='$ldl'
1710 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1711 ffmpeg_select="buffersink_filter"
1712
1713 doc_deps="texi2html"
1714
1715 # tests
1716
1717 test_deps(){
1718     suf1=$1
1719     suf2=$2
1720     shift 2
1721     for v; do
1722         dep=${v%=*}
1723         tests=${v#*=}
1724         for name in ${tests}; do
1725             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1726         done
1727     done
1728 }
1729
1730 mxf_d10_test_deps="avfilter"
1731 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1732
1733 test_deps _encoder _decoder                                             \
1734     adpcm_ima_qt                                                        \
1735     adpcm_ima_wav                                                       \
1736     adpcm_ms                                                            \
1737     adpcm_swf                                                           \
1738     adpcm_yamaha=adpcm_yam                                              \
1739     alac                                                                \
1740     asv1                                                                \
1741     asv2                                                                \
1742     bmp                                                                 \
1743     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1744     dvvideo="dv dv_411 dv50"                                            \
1745     ffv1                                                                \
1746     flac                                                                \
1747     flashsv                                                             \
1748     flv                                                                 \
1749     adpcm_g726=g726                                                     \
1750     gif                                                                 \
1751     h261                                                                \
1752     h263="h263 h263p"                                                   \
1753     huffyuv                                                             \
1754     jpegls                                                              \
1755     mjpeg="jpg mjpeg ljpeg"                                             \
1756     mp2                                                                 \
1757     mpeg1video="mpeg mpeg1b"                                            \
1758     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1759     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1760     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1761     mpeg4="mpeg4thread error rc"                                        \
1762     msmpeg4v3=msmpeg4                                                   \
1763     msmpeg4v2                                                           \
1764     pbm=pbmpipe                                                         \
1765     pcx                                                                 \
1766     pgm="pgm pgmpipe"                                                   \
1767     png                                                                 \
1768     ppm="ppm ppmpipe"                                                   \
1769     rawvideo="rgb yuv"                                                  \
1770     roq                                                                 \
1771     rv10                                                                \
1772     rv20                                                                \
1773     sgi                                                                 \
1774     snow="snow snowll"                                                  \
1775     svq1                                                                \
1776     targa=tga                                                           \
1777     tiff                                                                \
1778     wmav1                                                               \
1779     wmav2                                                               \
1780     wmv1                                                                \
1781     wmv2                                                                \
1782
1783 test_deps _muxer _demuxer                                               \
1784     aiff                                                                \
1785     pcm_alaw=alaw                                                       \
1786     asf                                                                 \
1787     au                                                                  \
1788     avi                                                                 \
1789     dv=dv_fmt                                                           \
1790     ffm                                                                 \
1791     flv=flv_fmt                                                         \
1792     gxf                                                                 \
1793     matroska=mkv                                                        \
1794     mmf                                                                 \
1795     mov="mov ismv"                                                      \
1796     pcm_mulaw=mulaw                                                     \
1797     mxf="mxf mxf_d10"                                                   \
1798     nut                                                                 \
1799     ogg="ogg ogg_vp3"                                                   \
1800     rawvideo=pixfmt                                                     \
1801     rm                                                                  \
1802     swf                                                                 \
1803     mpegts=ts                                                           \
1804     voc                                                                 \
1805     wav                                                                 \
1806     yuv4mpegpipe=yuv4mpeg                                               \
1807
1808 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1809 colormatrix1_test_deps="colormatrix_filter"
1810 colormatrix2_test_deps="colormatrix_filter"
1811 flashsv2_test_deps="zlib"
1812 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1813 mpng_test_deps="zlib"
1814 pp_test_deps="mp_filter"
1815 pp2_test_deps="mp_filter"
1816 pp3_test_deps="mp_filter"
1817 pp4_test_deps="mp_filter"
1818 pp5_test_deps="mp_filter"
1819 pp6_test_deps="mp_filter"
1820 zlib_test_deps="zlib"
1821 zmbv_test_deps="zlib"
1822
1823 # default parameters
1824
1825 logfile="config.log"
1826
1827 # installation paths
1828 prefix_default="/usr/local"
1829 bindir_default='${prefix}/bin'
1830 datadir_default='${prefix}/share/ffmpeg'
1831 incdir_default='${prefix}/include'
1832 libdir_default='${prefix}/lib'
1833 mandir_default='${prefix}/share/man'
1834 shlibdir_default="$libdir_default"
1835 postproc_version_default="current"
1836
1837 # toolchain
1838 ar_default="ar"
1839 cc_default="gcc"
1840 cxx_default="g++"
1841 cc_version=\"unknown\"
1842 host_cc_default="gcc"
1843 install="install"
1844 ln_s="ln -sf"
1845 nm_default="nm"
1846 objformat="elf"
1847 pkg_config_default=pkg-config
1848 ranlib="ranlib"
1849 strip_default="strip"
1850 yasmexe_default="yasm"
1851
1852 nm_opts='-g'
1853 nogas=":"
1854
1855 # machine
1856 arch_default=$(uname -m)
1857 cpu="generic"
1858
1859 # OS
1860 target_os_default=$(tolower $(uname -s))
1861 host_os=$target_os_default
1862
1863 # alternative libpostproc version
1864 ALT_PP_VER_MAJOR=51
1865 ALT_PP_VER_MINOR=2
1866 ALT_PP_VER_MICRO=101
1867 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1868
1869 # configurable options
1870 enable $PROGRAM_LIST
1871
1872 enable avcodec
1873 enable avdevice
1874 enable avfilter
1875 enable avformat
1876 enable avresample
1877 enable avutil
1878 enable postproc
1879 enable stripping
1880 enable swresample
1881 enable swscale
1882
1883 enable asm
1884 enable debug
1885 enable doc
1886 enable fastdiv
1887 enable network
1888 enable optimizations
1889 enable safe_bitstream_reader
1890 enable static
1891 enable swscale_alpha
1892
1893 # build settings
1894 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1895 FFSERVERLDFLAGS=-Wl,-E
1896 LIBPREF="lib"
1897 LIBSUF=".a"
1898 FULLNAME='$(NAME)$(BUILDSUF)'
1899 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1900 SLIBPREF="lib"
1901 SLIBSUF=".so"
1902 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1903 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1904 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1905 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1906 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1907 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1908
1909 AS_O='-o $@'
1910 CC_O='-o $@'
1911 CXX_O='-o $@'
1912
1913 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1914 host_libs='-lm'
1915
1916 target_path='$(CURDIR)'
1917
1918 # since the object filename is not given with the -MM flag, the compiler
1919 # is only able to print the basename, and we must add the path ourselves
1920 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1921 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1922
1923 # find source path
1924 if test -f configure; then
1925     source_path=.
1926 else
1927     source_path=$(cd $(dirname "$0"); pwd)
1928     echo "$source_path" | grep -q '[[:blank:]]' &&
1929         die "Out of tree builds are impossible with whitespace in source path."
1930     test -e "$source_path/config.h" &&
1931         die "Out of tree builds are impossible with config.h in source dir."
1932 fi
1933
1934 for v in "$@"; do
1935     r=${v#*=}
1936     l=${v%"$r"}
1937     r=$(sh_quote "$r")
1938     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1939 done
1940
1941 find_things(){
1942     thing=$1
1943     pattern=$2
1944     file=$source_path/$3
1945     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1946 }
1947
1948 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1949 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1950 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1951 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1952 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1953 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1954 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1955 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1956 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1957 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1958 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1959
1960 ALL_COMPONENTS="
1961     $BSF_LIST
1962     $DECODER_LIST
1963     $DEMUXER_LIST
1964     $ENCODER_LIST
1965     $FILTER_LIST
1966     $HWACCEL_LIST
1967     $INDEV_LIST
1968     $MUXER_LIST
1969     $OUTDEV_LIST
1970     $PARSER_LIST
1971     $PROTOCOL_LIST
1972 "
1973
1974 find_tests(){
1975     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1976 }
1977
1978 ACODEC_TESTS=$(find_tests acodec)
1979 VCODEC_TESTS=$(find_tests vsynth1)
1980 LAVF_FATE_TESTS=$(find_tests lavf-fate)
1981 LAVF_TESTS=$(find_tests lavf)
1982 LAVFI_TESTS=$(find_tests lavfi)
1983 SEEK_TESTS=$(find_tests seek seek_)
1984
1985 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1986
1987 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1988
1989 for n in $COMPONENT_LIST; do
1990     v=$(toupper ${n%s})_LIST
1991     eval enable \$$v
1992     eval ${n}_if_any="\$$v"
1993 done
1994
1995 enable $ARCH_EXT_LIST $ALL_TESTS
1996
1997 die_unknown(){
1998     echo "Unknown option \"$1\"."
1999     echo "See $0 --help for available options."
2000     exit 1
2001 }
2002
2003 show_list() {
2004     suffix=_$1
2005     shift
2006     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2007     exit 0
2008 }
2009
2010 for opt do
2011     optval="${opt#*=}"
2012     case "$opt" in
2013     --extra-ldflags=*) add_ldflags $optval
2014     ;;
2015     --extra-libs=*) add_extralibs $optval
2016     ;;
2017     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2018     ;;
2019     --enable-debug=*) debuglevel="$optval"
2020     ;;
2021     --disable-everything)
2022     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2023     ;;
2024     --enable-*=*|--disable-*=*)
2025     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2026     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2027     eval list=\$$(toupper $thing)_LIST
2028     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2029     $action $(filter "$name" $list)
2030     ;;
2031     --enable-?*|--disable-?*)
2032     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2033     if is_in $option $COMPONENT_LIST; then
2034         test $action = disable && action=unset
2035         eval $action \$$(toupper ${option%s})_LIST
2036     elif is_in $option $CMDLINE_SELECT; then
2037         $action $option
2038     else
2039         die_unknown $opt
2040     fi
2041     ;;
2042     --list-*)
2043         NAME="${opt#--list-}"
2044         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2045         NAME=${NAME%s}
2046         eval show_list $NAME \$$(toupper $NAME)_LIST
2047     ;;
2048     --help|-h) show_help
2049     ;;
2050     *)
2051     optname="${opt%%=*}"
2052     optname="${optname#--}"
2053     optname=$(echo "$optname" | sed 's/-/_/g')
2054     if is_in $optname $CMDLINE_SET; then
2055         eval $optname='$optval'
2056     elif is_in $optname $CMDLINE_APPEND; then
2057         append $optname "$optval"
2058     else
2059          die_unknown $opt
2060     fi
2061     ;;
2062     esac
2063 done
2064
2065 disabled logging && logfile=/dev/null
2066
2067 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2068 set >> $logfile
2069
2070 test -n "$cross_prefix" && enable cross_compile
2071
2072 if enabled cross_compile; then
2073     test -n "$arch" && test -n "$target_os" ||
2074         die "Must specify target arch and OS when cross-compiling"
2075 fi
2076
2077 set_default arch target_os postproc_version
2078
2079 # Check if we should build alternative libpostproc version instead of current
2080 if   test "$postproc_version" = $ALT_PP_VER; then
2081   LIBPOSTPROC_VERSION=$ALT_PP_VER
2082   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2083   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2084   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2085 elif test "$postproc_version" != current; then
2086   die "Invalid argument to --postproc-version. See --help output."
2087 fi
2088
2089 ar_default="${cross_prefix}${ar_default}"
2090 cc_default="${cross_prefix}${cc_default}"
2091 cxx_default="${cross_prefix}${cxx_default}"
2092 nm_default="${cross_prefix}${nm_default}"
2093 pkg_config_default="${cross_prefix}${pkg_config_default}"
2094 ranlib="${cross_prefix}${ranlib}"
2095 strip_default="${cross_prefix}${strip_default}"
2096
2097 sysinclude_default="${sysroot}/usr/include"
2098
2099 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2100 enabled cross_compile || host_cc_default=$cc
2101 set_default host_cc
2102
2103 if ! $pkg_config --version >/dev/null 2>&1; then
2104     warn "$pkg_config not found, library detection may fail."
2105     pkg_config=false
2106 fi
2107
2108 exesuf() {
2109     case $1 in
2110         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2111     esac
2112 }
2113
2114 EXESUF=$(exesuf $target_os)
2115 HOSTEXESUF=$(exesuf $host_os)
2116
2117 # set temporary file name
2118 : ${TMPDIR:=$TEMPDIR}
2119 : ${TMPDIR:=$TMP}
2120 : ${TMPDIR:=/tmp}
2121
2122 if ! check_cmd mktemp -u XXXXXX; then
2123     # simple replacement for missing mktemp
2124     # NOT SAFE FOR GENERAL USE
2125     mktemp(){
2126         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2127     }
2128 fi
2129
2130 tmpfile(){
2131     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2132         (set -C; exec > $tmp) 2>/dev/null ||
2133         die "Unable to create temporary file in $TMPDIR."
2134     append TMPFILES $tmp
2135     eval $1=$tmp
2136 }
2137
2138 trap 'rm -f -- $TMPFILES' EXIT
2139
2140 tmpfile TMPASM .asm
2141 tmpfile TMPC   .c
2142 tmpfile TMPCPP .cpp
2143 tmpfile TMPE   $EXESUF
2144 tmpfile TMPH   .h
2145 tmpfile TMPO   .o
2146 tmpfile TMPS   .S
2147 tmpfile TMPSH  .sh
2148 tmpfile TMPV   .ver
2149
2150 unset -f mktemp
2151
2152 chmod +x $TMPE
2153
2154 # make sure we can execute files in $TMPDIR
2155 cat > $TMPSH 2>> $logfile <<EOF
2156 #! /bin/sh
2157 EOF
2158 chmod +x $TMPSH >> $logfile 2>&1
2159 if ! $TMPSH >> $logfile 2>&1; then
2160     cat <<EOF
2161 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2162 variable to another directory and make sure that it is not mounted noexec.
2163 EOF
2164     die "Sanity test failed."
2165 fi
2166
2167 filter_asflags=echo
2168 filter_cflags=echo
2169 filter_cppflags=echo
2170
2171 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2172     cc_type=llvm_gcc
2173     cc_version=__VERSION__
2174     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2175     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2176     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2177     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2178     speed_cflags='-O3'
2179     size_cflags='-Os'
2180 elif $cc -v 2>&1 | grep -qi ^gcc; then
2181     cc_type=gcc
2182     cc_version=__VERSION__
2183     gcc_version=$($cc --version | head -n1)
2184     gcc_basever=$($cc -dumpversion)
2185     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2186     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2187     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2188     if ! $cc -dumpversion | grep -q '^2\.'; then
2189         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2190         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2191     fi
2192     speed_cflags='-O3'
2193     size_cflags='-Os'
2194 elif $cc --version 2>/dev/null | grep -q Intel; then
2195     cc_type=icc
2196     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2197     cc_ident=$($cc --version | head -n1)
2198     icc_version=$($cc -dumpversion)
2199     CC_DEPFLAGS='-MMD'
2200     AS_DEPFLAGS='-MMD'
2201     speed_cflags='-O3'
2202     size_cflags='-Os'
2203     noopt_cflags='-O1'
2204 elif $cc -v 2>&1 | grep -q xlc; then
2205     cc_type=xlc
2206     cc_version="AV_STRINGIFY(__IBMC__)"
2207     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2208     speed_cflags='-O5'
2209     size_cflags='-O5 -qcompact'
2210 elif $cc -V 2>/dev/null | grep -q Compaq; then
2211     cc_type=ccc
2212     cc_version="AV_STRINGIFY(__DECC_VER)"
2213     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2214     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2215     debuglevel=3
2216     add_ldflags -Wl,-z,now # calls to libots crash without this
2217     speed_cflags='-fast'
2218     size_cflags='-O1'
2219 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2220     test -d "$sysroot" || die "No valid sysroot specified."
2221     cc_type=armcc
2222     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2223     cc_ident=$($cc --vsn | head -n1)
2224     armcc_conf="$PWD/armcc.conf"
2225     $cc --arm_linux_configure                 \
2226         --arm_linux_config_file="$armcc_conf" \
2227         --configure_sysroot="$sysroot"        \
2228         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2229         die "Error creating armcc configuration file."
2230     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2231     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2232     as_default="${cross_prefix}gcc"
2233     CC_DEPFLAGS='-MMD'
2234     AS_DEPFLAGS='-MMD'
2235     speed_cflags='-O3'
2236     size_cflags='-Os'
2237     filter_asflags="filter_out -W${armcc_opt}*"
2238 elif $cc -version 2>/dev/null | grep -q TMS470; then
2239     cc_type=tms470
2240     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2241     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2242     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2243     CC_O='-fr=$(@D)'
2244     as_default="${cross_prefix}gcc"
2245     ld_default="${cross_prefix}gcc"
2246     TMPO=$(basename $TMPC .c).o
2247     append TMPFILES $TMPO
2248     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2249     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2250     AS_DEPFLAGS='-MMD'
2251     speed_cflags='-O3 -mf=5'
2252     size_cflags='-O3 -mf=2'
2253     filter_cflags=tms470_flags
2254     tms470_flags(){
2255         for flag; do
2256             case $flag in
2257                 -march=*|-mcpu=*)
2258                     case "${flag#*=}" in
2259                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2260                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2261                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2262                         armv6*|arm11*)          echo -mv=6   ;;
2263                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2264                                                 echo -mv=5e  ;;
2265                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2266                     esac
2267                     ;;
2268                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2269                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2270                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2271                 -msoft-float)   echo --float_support=vfplib       ;;
2272                 -O[0-3]|-mf=*)  echo $flag                        ;;
2273                 -g)             echo -g -mn                       ;;
2274                 -pds=*)         echo $flag                        ;;
2275             esac
2276         done
2277     }
2278 elif $cc -v 2>&1 | grep -q clang; then
2279     cc_type=clang
2280     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2281         cc_version=__clang_version__ || cc_version=__VERSION__
2282     cc_ident=$($cc --version | head -n1)
2283     CC_DEPFLAGS='-MMD'
2284     AS_DEPFLAGS='-MMD'
2285     speed_cflags='-O3'
2286     size_cflags='-Os'
2287 elif $cc -V 2>&1 | grep -q Sun; then
2288     cc_type=suncc
2289     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2290     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2291     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2292     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2293     add_ldflags -xc99
2294     speed_cflags='-O5'
2295     size_cflags='-O5 -xspace'
2296     filter_cflags=suncc_flags
2297     suncc_flags(){
2298         for flag; do
2299             case $flag in
2300                 -march=*|-mcpu=*)
2301                     case "${flag#*=}" in
2302                         native)                   echo -xtarget=native       ;;
2303                         v9|niagara)               echo -xarch=sparc          ;;
2304                         ultrasparc)               echo -xarch=sparcvis       ;;
2305                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2306                         i586|pentium)             echo -xchip=pentium        ;;
2307                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2308                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2309                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2310                         pentium4*)          echo -xtarget=pentium4           ;;
2311                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2312                         *-sse3)             echo -xarch=sse3                 ;;
2313                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2314                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2315                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2316                         k8|opteron|athlon64|athlon-fx)
2317                                                   echo -xarch=sse2a          ;;
2318                         athlon*)                  echo -xarch=pentium_proa   ;;
2319                     esac
2320                     ;;
2321                 -std=c99)             echo -xc99              ;;
2322                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2323                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2324                 -W*,*)                echo $flag              ;;
2325                 -f*-*|-W*)                                    ;;
2326                 *)                    echo $flag              ;;
2327             esac
2328         done
2329     }
2330 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2331     cc_type=pathscale
2332     cc_version=__PATHSCALE__
2333     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2334     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2335     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2336     speed_cflags='-O2'
2337     size_cflags='-Os'
2338     filter_cflags='filter_out -Wdisabled-optimization'
2339 elif $cc -v 2>&1 | grep -q Open64; then
2340     cc_type=open64
2341     cc_version=__OPEN64__
2342     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2343     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2344     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2345     speed_cflags='-O2'
2346     size_cflags='-Os'
2347     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2348 elif $cc -V 2>&1 | grep -q Portland; then
2349     cc_type=pgi
2350     cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2351     cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2352     opt_common='-alias=ansi -Mlre -Mpre'
2353     speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2354     size_cflags="-O2 -Munroll=c:1 $opt_common"
2355     noopt_cflags="-O1"
2356     filter_cflags=pgi_flags
2357     pgi_flags(){
2358         for flag; do
2359             case $flag in
2360                 -fomit-frame-pointer) echo -Mnoframe ;;
2361                 -g)                   echo -gopt ;;
2362                 *)                    echo $flag ;;
2363             esac
2364         done
2365     }
2366 fi
2367
2368 test -n "$cc_type" && enable $cc_type ||
2369     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2370
2371 : ${as_default:=$cc}
2372 : ${dep_cc_default:=$cc}
2373 : ${ld_default:=$cc}
2374 set_default ar as dep_cc ld
2375
2376 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2377 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2378 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2379
2380 add_cflags $extra_cflags
2381 add_cxxflags $extra_cxxflags
2382 add_asflags $extra_cflags
2383
2384 if test -n "$sysroot"; then
2385     case "$cc_type" in
2386         gcc|llvm_gcc|clang)
2387             add_cppflags --sysroot="$sysroot"
2388             add_ldflags --sysroot="$sysroot"
2389         ;;
2390         tms470)
2391             add_cppflags -I"$sysinclude"
2392             add_ldflags  --sysroot="$sysroot"
2393         ;;
2394     esac
2395 fi
2396
2397 if test "$cpu" = host; then
2398     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2399
2400     case "$cc_type" in
2401         gcc|llvm_gcc)
2402             check_native(){
2403                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2404                 sed -n "/cc1.*$1=/{
2405                             s/.*$1=\\([^ ]*\\).*/\\1/
2406                             p
2407                             q
2408                         }" $TMPE
2409             }
2410             cpu=$(check_native -march || check_native -mcpu)
2411         ;;
2412     esac
2413
2414     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2415 fi
2416
2417 # Deal with common $arch aliases
2418 case "$arch" in
2419     arm*|iPad*)
2420         arch="arm"
2421     ;;
2422     mips|mipsel|IP*)
2423         arch="mips"
2424     ;;
2425     mips64*)
2426         arch="mips"
2427         subarch="mips64"
2428     ;;
2429     parisc|hppa)
2430         arch="parisc"
2431     ;;
2432     parisc64|hppa64)
2433         arch="parisc"
2434         subarch="parisc64"
2435     ;;
2436     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2437         arch="ppc"
2438     ;;
2439     s390|s390x)
2440         arch="s390"
2441     ;;
2442     sh4|sh)
2443         arch="sh4"
2444     ;;
2445     sun4u|sparc64)
2446         arch="sparc"
2447         subarch="sparc64"
2448     ;;
2449     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2450         arch="x86"
2451     ;;
2452 esac
2453
2454 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2455 enable $arch
2456
2457 # Add processor-specific flags
2458 if test "$cpu" = generic; then
2459     : do nothing
2460 elif enabled ppc; then
2461
2462     case $(tolower $cpu) in
2463         601|ppc601|powerpc601)
2464             cpuflags="-mcpu=601"
2465             disable altivec
2466         ;;
2467         603*|ppc603*|powerpc603*)
2468             cpuflags="-mcpu=603"
2469             disable altivec
2470         ;;
2471         604*|ppc604*|powerpc604*)
2472             cpuflags="-mcpu=604"
2473             disable altivec
2474         ;;
2475         g3|75*|ppc75*|powerpc75*)
2476             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2477             disable altivec
2478         ;;
2479         g4|745*|ppc745*|powerpc745*)
2480             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2481         ;;
2482         74*|ppc74*|powerpc74*)
2483             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2484         ;;
2485         g5|970|ppc970|powerpc970)
2486             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2487         ;;
2488         power[3-7]*)
2489             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2490         ;;
2491         cell)
2492             cpuflags="-mcpu=cell"
2493             enable ldbrx
2494         ;;
2495         e500v2)
2496             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2497             disable altivec
2498         ;;
2499         e500)
2500             cpuflags="-mcpu=8540 -mhard-float"
2501             disable altivec
2502         ;;
2503     esac
2504
2505 elif enabled x86; then
2506
2507     case $cpu in
2508         i[345]86|pentium)
2509             cpuflags="-march=$cpu"
2510             disable mmx
2511         ;;
2512         # targets that do NOT support conditional mov (cmov)
2513         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2514             cpuflags="-march=$cpu"
2515             disable cmov
2516         ;;
2517         # targets that do support conditional mov (cmov)
2518         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2519             cpuflags="-march=$cpu"
2520             enable cmov
2521             enable fast_cmov
2522         ;;
2523         # targets that do support conditional mov but on which it's slow
2524         pentium4|pentium4m|prescott|nocona)
2525             cpuflags="-march=$cpu"
2526             enable cmov
2527             disable fast_cmov
2528         ;;
2529     esac
2530
2531 elif enabled sparc; then
2532
2533     case $cpu in
2534         niagara)
2535             cpuflags="-mcpu=$cpu"
2536             disable vis
2537         ;;
2538         sparc64)
2539             cpuflags="-mcpu=v9"
2540         ;;
2541     esac
2542
2543 elif enabled arm; then
2544
2545     case $cpu in
2546         armv*)
2547             cpuflags="-march=$cpu"
2548             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2549         ;;
2550         *)
2551             cpuflags="-mcpu=$cpu"
2552             case $cpu in
2553                 cortex-a*)                               subarch=armv7a  ;;
2554                 cortex-r*)                               subarch=armv7r  ;;
2555                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2556                 arm11*)                                  subarch=armv6   ;;
2557                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2558                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2559             esac
2560         ;;
2561     esac
2562
2563 elif enabled alpha; then
2564
2565     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2566
2567 elif enabled bfin; then
2568
2569     cpuflags="-mcpu=$cpu"
2570
2571 elif enabled mips; then
2572
2573     cpuflags="-march=$cpu"
2574
2575 elif enabled avr32; then
2576
2577     case $cpu in
2578         ap7[02]0[0-2])
2579             subarch="avr32_ap"
2580             cpuflags="-mpart=$cpu"
2581         ;;
2582         ap)
2583             subarch="avr32_ap"
2584             cpuflags="-march=$cpu"
2585         ;;
2586         uc3[ab]*)
2587             subarch="avr32_uc"
2588             cpuflags="-mcpu=$cpu"
2589         ;;
2590         uc)
2591             subarch="avr32_uc"
2592             cpuflags="-march=$cpu"
2593         ;;
2594     esac
2595
2596 fi
2597
2598 add_cflags $cpuflags
2599 add_asflags $cpuflags
2600
2601 # compiler sanity check
2602 check_exec <<EOF
2603 int main(void){ return 0; }
2604 EOF
2605 if test "$?" != 0; then
2606     echo "$cc is unable to create an executable file."
2607     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2608         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2609         echo "Only do this if you know what cross compiling means."
2610     fi
2611     die "C compiler test failed."
2612 fi
2613
2614 add_cppflags -D_ISOC99_SOURCE
2615 add_cxxflags -D__STDC_CONSTANT_MACROS
2616 check_cflags -std=c99
2617 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2618 #include <stdlib.h>
2619 EOF
2620 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2621 #include <stdlib.h>
2622 EOF
2623
2624 check_host_cflags -std=c99
2625 check_host_cflags -Wall
2626
2627 case "$arch" in
2628     alpha|ia64|mips|parisc|sparc)
2629         spic=$shared
2630     ;;
2631     x86)
2632         subarch="x86_32"
2633         check_cc <<EOF && subarch="x86_64"
2634         int test[(int)sizeof(char*) - 7];
2635 EOF
2636         if test "$subarch" = "x86_64"; then
2637             spic=$shared
2638         fi
2639     ;;
2640     ppc)
2641         check_cc <<EOF && subarch="ppc64"
2642         int test[(int)sizeof(char*) - 7];
2643 EOF
2644     ;;
2645 esac
2646
2647 enable $subarch
2648 enabled spic && enable pic
2649
2650 # OS specific
2651 case $target_os in
2652     haiku)
2653         prefix_default="/boot/common"
2654         network_extralibs="-lnetwork"
2655         host_libs=
2656         ;;
2657     sunos)
2658         FFSERVERLDFLAGS=""
2659         SHFLAGS='-shared -Wl,-h,$$(@F)'
2660         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2661         network_extralibs="-lsocket -lnsl"
2662         add_cppflags -D__EXTENSIONS__
2663         # When using suncc to build, the Solaris linker will mark
2664         # an executable with each instruction set encountered by
2665         # the Solaris assembler.  As our libraries contain their own
2666         # guards for processor-specific code, instead suppress
2667         # generation of the HWCAPS ELF section on Solaris x86 only.
2668         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2669         nm_opts='-P -g'
2670         ;;
2671     netbsd)
2672         disable symver
2673         oss_indev_extralibs="-lossaudio"
2674         oss_outdev_extralibs="-lossaudio"
2675         ;;
2676     openbsd)
2677         # On OpenBSD 4.5. the compiler does not use PIC unless
2678         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2679         # however the generated executable will not do anything
2680         # (simply quits with exit-code 1, no crash, no output).
2681         # Thus explicitly enable PIC here.
2682         enable pic
2683         disable symver
2684         SHFLAGS='-shared'
2685         oss_indev_extralibs="-lossaudio"
2686         oss_outdev_extralibs="-lossaudio"
2687         ;;
2688     dragonfly)
2689         disable symver
2690         ;;
2691     freebsd)
2692         ;;
2693     bsd/os)
2694         add_extralibs -lpoll -lgnugetopt
2695         strip="strip -d"
2696         ;;
2697     darwin)
2698         gas="gas-preprocessor.pl $cc"
2699         enabled ppc && add_asflags -force_cpusubtype_ALL
2700         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2701         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2702         strip="${strip} -x"
2703         add_ldflags -Wl,-dynamic,-search_paths_first
2704         SLIBSUF=".dylib"
2705         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2706         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2707         FFSERVERLDFLAGS=-Wl,-bind_at_load
2708         objformat="macho"
2709         enabled x86_64 && objformat="macho64"
2710         enabled_any pic shared ||
2711             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2712         ;;
2713     mingw32*)
2714         if test $target_os = "mingw32ce"; then
2715             disable network
2716         else
2717             target_os=mingw32
2718         fi
2719         LIBTARGET=i386
2720         if enabled x86_64; then
2721             LIBTARGET=x64
2722         elif enabled arm; then
2723             LIBTARGET=arm-wince
2724         fi
2725         shlibdir_default="$bindir_default"
2726         SLIBPREF=""
2727         SLIBSUF=".dll"
2728         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2729         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2730         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2731         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2732         SLIB_INSTALL_LINKS=
2733         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2734         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2735         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'
2736         objformat="win32"
2737         enable dos_paths
2738         check_cflags -fno-common
2739         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2740                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2741                 die "ERROR: MinGW runtime version must be >= 3.15."
2742         add_cppflags -U__STRICT_ANSI__
2743         ;;
2744     cygwin*)
2745         target_os=cygwin
2746         shlibdir_default="$bindir_default"
2747         SLIBPREF="cyg"
2748         SLIBSUF=".dll"
2749         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2750         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2751         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2752         objformat="win32"
2753         enable dos_paths
2754         check_cflags -fno-common
2755         add_cppflags -U__STRICT_ANSI__
2756         ;;
2757     *-dos|freedos|opendos)
2758         network_extralibs="-lsocket"
2759         objformat="coff"
2760         enable dos_paths
2761         add_cppflags -U__STRICT_ANSI__
2762         ;;
2763     linux)
2764         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2765         enable dv1394
2766         ;;
2767     irix*)
2768         target_os=irix
2769         ranlib="echo ignoring ranlib"
2770         ;;
2771     os/2*)
2772         strip="lxlite -CS"
2773         ln_s="cp -f"
2774         objformat="aout"
2775         add_cppflags -D_GNU_SOURCE
2776         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2777         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2778         FFSERVERLDFLAGS=""
2779         LIBSUF="_s.a"
2780         SLIBPREF=""
2781         SLIBSUF=".dll"
2782         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2783         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2784         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2785           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2786           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2787           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2788           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2789           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2790         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2791           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2792         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2793         enable dos_paths
2794         enable_weak os2threads
2795         ;;
2796     gnu/kfreebsd)
2797         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2798         ;;
2799     gnu)
2800         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2801         ;;
2802     qnx)
2803         add_cppflags -D_QNX_SOURCE
2804         network_extralibs="-lsocket"
2805         ;;
2806     symbian)
2807         SLIBSUF=".dll"
2808         enable dos_paths
2809         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2810         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2811         add_ldflags -Wl,--target1-abs,--no-undefined \
2812                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2813                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2814         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2815                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2816                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2817         ;;
2818     none)
2819         ;;
2820     *)
2821         die "Unknown OS '$target_os'."
2822         ;;
2823 esac
2824
2825 esc(){
2826     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2827 }
2828
2829 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
2830
2831 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2832
2833 set_default $PATHS_LIST
2834
2835 # we need to build at least one lib type
2836 if ! enabled_any static shared; then
2837     cat <<EOF
2838 At least one library type must be built.
2839 Specify --enable-static to build the static libraries or --enable-shared to
2840 build the shared libraries as well. To only build the shared libraries specify
2841 --disable-static in addition to --enable-shared.
2842 EOF
2843     exit 1;
2844 fi
2845
2846 die_license_disabled() {
2847     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2848 }
2849
2850 die_license_disabled gpl libcdio
2851 die_license_disabled gpl libutvideo
2852 die_license_disabled gpl libx264
2853 die_license_disabled gpl libxavs
2854 die_license_disabled gpl libxvid
2855 die_license_disabled gpl x11grab
2856
2857 die_license_disabled nonfree libaacplus
2858 die_license_disabled nonfree libfaac
2859 die_license_disabled nonfree openssl
2860
2861 die_license_disabled version3 libopencore_amrnb
2862 die_license_disabled version3 libopencore_amrwb
2863 die_license_disabled version3 libvo_aacenc
2864 die_license_disabled version3 libvo_amrwbenc
2865
2866 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2867
2868 disabled optimizations || check_cflags -fomit-frame-pointer
2869
2870 enable_pic() {
2871     enable pic
2872     add_cppflags -DPIC
2873     add_cflags   -fPIC
2874     add_asflags  -fPIC
2875 }
2876
2877 enabled pic && enable_pic
2878
2879 check_cc <<EOF || die "Symbol mangling check failed."
2880 int ff_extern;
2881 EOF
2882 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2883 extern_prefix=${sym%%ff_extern*}
2884
2885 check_cc <<EOF && enable inline_asm
2886 void foo(void) { __asm__ volatile ("" ::); }
2887 EOF
2888
2889 _restrict=
2890 for restrict_keyword in restrict __restrict__ __restrict; do
2891     check_cc <<EOF && _restrict=$restrict_keyword && break
2892 void foo(char * $restrict_keyword p);
2893 EOF
2894 done
2895
2896 check_cc <<EOF && enable attribute_packed
2897 struct { int x; } __attribute__((packed)) x;
2898 EOF
2899
2900 check_cc <<EOF && enable attribute_may_alias
2901 union { int x; } __attribute__((may_alias)) x;
2902 EOF
2903
2904 check_cc <<EOF || die "endian test failed"
2905 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2906 EOF
2907 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2908
2909 if enabled alpha; then
2910
2911     check_cflags -mieee
2912
2913 elif enabled arm; then
2914
2915     enabled thumb && check_cflags -mthumb || check_cflags -marm
2916     nogas=die
2917
2918     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2919         enable vfp_args
2920     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2921         case "${cross_prefix:-$cc}" in
2922             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2923             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2924 __asm__ (".eabi_attribute 28, 1");
2925 int main(void) { return 0; }
2926 EOF
2927         esac
2928         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2929     fi
2930
2931     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2932     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2933     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2934     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2935     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2936     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2937
2938     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2939
2940     enabled_all armv6t2 shared !pic && enable_pic
2941
2942 elif enabled mips; then
2943
2944     check_asm loongson '"dmult.g $1, $2, $3"'
2945     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2946
2947 elif enabled ppc; then
2948
2949     enable local_aligned_8 local_aligned_16
2950
2951     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2952     check_asm ibm_asm   '"add 0, 0, 0"'
2953     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2954     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2955
2956     # AltiVec flags: The FSF version of GCC differs from the Apple version
2957     if enabled altivec; then
2958         nogas=warn
2959         check_cflags -maltivec -mabi=altivec &&
2960         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2961         check_cflags -faltivec
2962
2963         # check if our compiler supports Motorola AltiVec C API
2964         check_cc <<EOF || disable altivec
2965 $inc_altivec_h
2966 int main(void) {
2967     vector signed int v1, v2, v3;
2968     v1 = vec_add(v2,v3);
2969     return 0;
2970 }
2971 EOF
2972
2973         # check if our compiler supports braces for vector declarations
2974         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2975 $inc_altivec_h
2976 int main (void) { (vector int) {1}; return 0; }
2977 EOF
2978     fi
2979
2980 elif enabled sparc; then
2981
2982     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2983         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2984
2985 elif enabled x86; then
2986
2987     enable local_aligned_8 local_aligned_16
2988
2989     # check whether EBP is available on x86
2990     # As 'i' is stored on the stack, this program will crash
2991     # if the base pointer is used to access it because the
2992     # base pointer is cleared in the inline assembly code.
2993     check_exec_crash <<EOF && enable ebp_available
2994     volatile int i=0;
2995     __asm__ volatile (
2996         "xorl %%ebp, %%ebp"
2997     ::: "%ebp");
2998     return i;
2999 EOF
3000
3001     # check whether EBX is available on x86
3002     check_asm ebx_available '""::"b"(0)' &&
3003         check_asm ebx_available '"":::"%ebx"'
3004
3005     # check whether xmm clobbers are supported
3006     check_asm xmm_clobbers '"":::"%xmm0"'
3007
3008     # check whether binutils is new enough to compile SSSE3/MMX2
3009     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
3010     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
3011
3012     if ! disabled_any asm mmx yasm; then
3013         if check_cmd $yasmexe --version; then
3014             enabled x86_64 && yasm_extra="-m amd64"
3015             yasm_debug="-g dwarf2"
3016         elif check_cmd nasm -v; then
3017             yasmexe=nasm
3018             yasm_debug="-g -F dwarf"
3019             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3020         fi
3021
3022         YASMFLAGS="-f $objformat $yasm_extra"
3023         enabled pic               && append YASMFLAGS "-DPIC"
3024         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3025         case "$objformat" in
3026             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3027         esac
3028
3029         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3030             die "yasm not found, use --disable-yasm for a crippled build"
3031         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3032     fi
3033
3034     case "$cpu" in
3035         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3036             disable fast_clz
3037         ;;
3038     esac
3039
3040 fi
3041
3042 if enabled asm; then
3043     as=${gas:=$as}
3044     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3045         $nogas "GNU assembler not found, install gas-preprocessor"
3046 fi
3047
3048 check_ldflags -Wl,--as-needed
3049
3050 if check_func dlopen; then
3051     ldl=
3052 elif check_func dlopen -ldl; then
3053     ldl=-ldl
3054 fi
3055
3056 if enabled network; then
3057     check_type "sys/types.h sys/socket.h" socklen_t
3058     check_type netdb.h "struct addrinfo"
3059     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3060     check_type netinet/in.h "struct sockaddr_in6"
3061     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3062     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3063     # Prefer arpa/inet.h over winsock2
3064     if check_header arpa/inet.h ; then
3065         check_func closesocket
3066     elif check_header winsock2.h ; then
3067         check_func_headers winsock2.h closesocket -lws2 && \
3068             network_extralibs="-lws2" || \
3069         { check_func_headers winsock2.h closesocket -lws2_32 && \
3070             network_extralibs="-lws2_32"; }
3071         check_type ws2tcpip.h socklen_t
3072         check_type ws2tcpip.h "struct addrinfo"
3073         check_type ws2tcpip.h "struct ipv6_mreq"
3074         check_type ws2tcpip.h "struct sockaddr_in6"
3075         check_type ws2tcpip.h "struct sockaddr_storage"
3076         check_struct winsock2.h "struct sockaddr" sa_len
3077     else
3078         disable network
3079     fi
3080 fi
3081
3082 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3083 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3084
3085 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3086 check_func  fcntl
3087 check_func  fork
3088 check_func  getaddrinfo $network_extralibs
3089 check_func  gethrtime
3090 check_func  getrusage
3091 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3092 check_func  inet_aton $network_extralibs
3093 check_func  isatty
3094 check_func  localtime_r
3095 check_func  ${malloc_prefix}memalign            && enable memalign
3096 check_func  mkstemp
3097 check_func  mmap
3098 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3099 check_func  setrlimit
3100 check_func  strerror_r
3101 check_func  strptime
3102 check_func  sched_getaffinity
3103 check_func  sysconf
3104 check_func  sysctl
3105 check_func_headers conio.h kbhit
3106 check_func_headers windows.h PeekNamedPipe
3107 check_func_headers io.h setmode
3108 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3109 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3110 check_func_headers windows.h GetProcessAffinityMask
3111 check_func_headers windows.h GetProcessTimes
3112 check_func_headers windows.h MapViewOfFile
3113 check_func_headers windows.h VirtualAlloc
3114 check_func_headers glob.h glob
3115
3116 check_header dlfcn.h
3117 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3118 check_header libcrystalhd/libcrystalhd_if.h
3119 check_header malloc.h
3120 check_header poll.h
3121 check_header sys/mman.h
3122 check_header sys/param.h
3123 check_header sys/resource.h
3124 check_header sys/select.h
3125 check_header termios.h
3126 check_header vdpau/vdpau.h
3127 check_header vdpau/vdpau_x11.h
3128 check_header X11/extensions/XvMClib.h
3129 check_header asm/types.h
3130
3131 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3132 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3133
3134 # check for VDA header
3135 if ! disabled vda; then
3136     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3137         enable vda
3138         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3139     fi
3140 fi
3141
3142 if ! disabled w32threads && ! enabled pthreads; then
3143     check_func _beginthreadex && enable w32threads
3144 fi
3145
3146 # check for some common methods of building with pthread support
3147 # do this before the optional library checks as some of them require pthreads
3148 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3149     enable pthreads
3150     if check_func pthread_create; then
3151         :
3152     elif check_func pthread_create -pthread; then
3153         add_cflags -pthread
3154         add_extralibs -pthread
3155     elif check_func pthread_create -pthreads; then
3156         add_cflags -pthreads
3157         add_extralibs -pthreads
3158     elif check_func pthread_create -lpthreadGC2; then
3159         add_extralibs -lpthreadGC2
3160     elif ! check_lib pthread.h pthread_create -lpthread; then
3161         disable pthreads
3162     fi
3163 fi
3164
3165 for thread in $THREADS_LIST; do
3166     if enabled $thread; then
3167         test -n "$thread_type" &&
3168             die "ERROR: Only one thread type must be selected." ||
3169             thread_type="$thread"
3170     fi
3171 done
3172
3173 check_lib math.h sin -lm && LIBM="-lm"
3174 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3175 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3176
3177 check_mathfunc cbrtf
3178 check_mathfunc exp2
3179 check_mathfunc exp2f
3180 check_mathfunc llrint
3181 check_mathfunc llrintf
3182 check_mathfunc log2
3183 check_mathfunc log2f
3184 check_mathfunc lrint
3185 check_mathfunc lrintf
3186 check_mathfunc round
3187 check_mathfunc roundf
3188 check_mathfunc trunc
3189 check_mathfunc truncf
3190
3191 # these are off by default, so fail if requested and not available
3192 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3193 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3194 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3195 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3196 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3197 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3198 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3199 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3200                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3201                         die "ERROR: libcelt version must be >= 0.11.0."; }
3202 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3203 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3204 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3205 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3206 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3207 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3208 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3209 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3210 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3211 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3212 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3213 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3214 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3215 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3216 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3217     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3218     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3219 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3220 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3221 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3222 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3223 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3224 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3225 enabled libvpx     && {
3226     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3227                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3228     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3229                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3230 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3231                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3232                         die "ERROR: libx264 version must be >= 0.118."; }
3233 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3234 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3235 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3236                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3237                         die "ERROR: openal not found"; } &&
3238                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3239                         die "ERROR: openal version must be 1.1 or compatible"; }
3240 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3241                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3242                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3243                         die "ERROR: openssl not found"; }
3244
3245 # libdc1394 check
3246 if enabled libdc1394; then
3247     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3248         enable libdc1394_2; } ||
3249     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3250         enable libdc1394_1; } ||
3251     die "ERROR: No version of libdc1394 found "
3252 fi
3253
3254 SDL_CONFIG="${cross_prefix}sdl-config"
3255 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3256     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3257     enable sdl &&
3258     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3259 else
3260   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3261     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3262     sdl_libs=$("${SDL_CONFIG}" --libs)
3263     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3264     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3265     enable sdl &&
3266     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3267   fi
3268 fi
3269 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3270
3271 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3272 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3273
3274 check_header linux/fb.h
3275 check_header linux/videodev.h
3276 check_header linux/videodev2.h
3277 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3278
3279 check_header sys/videoio.h
3280
3281 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3282 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3283 # w32api 3.12 had it defined wrong
3284 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3285
3286 check_type "dshow.h" IBaseFilter
3287
3288 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3289 { check_header dev/bktr/ioctl_meteor.h &&
3290   check_header dev/bktr/ioctl_bt848.h; } ||
3291 { check_header machine/ioctl_meteor.h &&
3292   check_header machine/ioctl_bt848.h; } ||
3293 { check_header dev/video/meteor/ioctl_meteor.h &&
3294   check_header dev/video/bktr/ioctl_bt848.h; } ||
3295 check_header dev/ic/bt8xx.h
3296
3297 check_header sndio.h
3298 if check_struct sys/soundcard.h audio_buf_info bytes; then
3299     enable_safe sys/soundcard.h
3300 else
3301     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3302     #include <sys/soundcard.h>
3303     audio_buf_info abc;
3304 EOF
3305 fi
3306 check_header soundcard.h
3307
3308 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3309
3310 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3311
3312 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3313
3314 enabled libcdio &&
3315     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3316
3317 enabled x11grab                                           &&
3318 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3319 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3320 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3321
3322 if ! disabled vaapi; then
3323     check_lib va/va.h vaInitialize -lva && {
3324         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3325         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3326     } || disable vaapi
3327 fi
3328
3329 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3330 check_cpp_condition \
3331     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3332     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3333       disable vdpau; }
3334 fi
3335
3336 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3337 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3338 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"
3339
3340 # add some useful compiler flags if supported
3341 check_cflags -Wdeclaration-after-statement
3342 check_cflags -Wall
3343 check_cflags -Wno-parentheses
3344 check_cflags -Wno-switch
3345 check_cflags -Wno-format-zero-length
3346 check_cflags -Wdisabled-optimization
3347 check_cflags -Wpointer-arith
3348 check_cflags -Wredundant-decls
3349 check_cflags -Wno-pointer-sign
3350 check_cflags -Wwrite-strings
3351 check_cflags -Wtype-limits
3352 check_cflags -Wundef
3353 check_cflags -Wmissing-prototypes
3354 check_cflags -Wno-pointer-to-int-cast
3355 check_cflags -Wstrict-prototypes
3356 enabled extra_warnings && check_cflags -Winline
3357
3358 # add some linker flags
3359 check_ldflags -Wl,--warn-common
3360 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3361 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3362
3363 enabled xmm_clobber_test &&                             \
3364     check_ldflags -Wl,--wrap,avcodec_open2              \
3365                   -Wl,--wrap,avcodec_decode_audio4      \
3366                   -Wl,--wrap,avcodec_decode_video2      \
3367                   -Wl,--wrap,avcodec_decode_subtitle2   \
3368                   -Wl,--wrap,avcodec_encode_audio2      \
3369                   -Wl,--wrap,avcodec_encode_video       \
3370                   -Wl,--wrap,avcodec_encode_subtitle    \
3371                   -Wl,--wrap,sws_scale ||               \
3372     disable xmm_clobber_test
3373
3374 echo "X{};" > $TMPV
3375 if test_ldflags -Wl,--version-script,$TMPV; then
3376     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3377     check_cc <<EOF && enable symver_asm_label
3378 void ff_foo(void) __asm__ ("av_foo@VERSION");
3379 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3380 EOF
3381     check_cc <<EOF && enable symver_gnu_asm
3382 __asm__(".symver ff_foo,av_foo@VERSION");
3383 void ff_foo(void) {}
3384 EOF
3385 fi
3386
3387 if [ -n "$optflags" ]; then
3388     add_cflags $optflags
3389 elif enabled small; then
3390     add_cflags $size_cflags
3391 elif enabled optimizations; then
3392     add_cflags $speed_cflags
3393 else
3394     add_cflags $noopt_cflags
3395 fi
3396 check_cflags -fno-math-errno
3397 check_cflags -fno-signed-zeros
3398 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3399 int x;
3400 EOF
3401
3402
3403 if enabled icc; then
3404     # Just warnings, no remarks
3405     check_cflags -w1
3406     # -wd: Disable following warnings
3407     # 144, 167, 556: -Wno-pointer-sign
3408     # 1292: attribute "foo" ignored
3409     # 1419: external declaration in primary source file
3410     # 10006: ignoring unknown option -fno-signed-zeros
3411     # 10148: ignoring unknown option -Wno-parentheses
3412     # 10156: ignoring option '-W'; no argument required
3413     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3414     # 11030: Warning unknown option --as-needed
3415     # 10156: ignoring option '-export'; no argument required
3416     check_ldflags -wd10156,11030
3417     # Allow to compile with optimizations
3418     check_ldflags -march=$cpu
3419     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3420     enable ebp_available
3421     if enabled x86_32; then
3422         test ${icc_version%%.*} -ge 11 && \
3423             check_cflags -falign-stack=maintain-16-byte || \
3424             disable aligned_stack
3425     fi
3426 elif enabled ccc; then
3427     # disable some annoying warnings
3428     add_cflags -msg_disable cvtu32to64
3429     add_cflags -msg_disable embedcomment
3430     add_cflags -msg_disable needconstext
3431     add_cflags -msg_disable nomainieee
3432     add_cflags -msg_disable ptrmismatch1
3433     add_cflags -msg_disable unreachcode
3434 elif enabled gcc; then
3435     check_cflags -fno-tree-vectorize
3436     check_cflags -Werror=implicit-function-declaration
3437     check_cflags -Werror=missing-prototypes
3438 elif enabled llvm_gcc; then
3439     check_cflags -mllvm -stack-alignment=16
3440 elif enabled clang; then
3441     check_cflags -mllvm -stack-alignment=16
3442     check_cflags -Qunused-arguments
3443 elif enabled armcc; then
3444     # 2523: use of inline assembler is deprecated
3445     add_cflags -W${armcc_opt},--diag_suppress=2523
3446     add_cflags -W${armcc_opt},--diag_suppress=1207
3447     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3448     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3449     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3450     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3451 elif enabled tms470; then
3452     add_cflags -pds=824 -pds=837
3453 elif enabled pathscale; then
3454     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3455 fi
3456
3457 enabled_any $THREADS_LIST      && enable threads
3458
3459 check_deps $CONFIG_LIST       \
3460            $CONFIG_EXTRA      \
3461            $HAVE_LIST         \
3462            $ALL_COMPONENTS    \
3463            $ALL_TESTS         \
3464
3465 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3466
3467 if test $target_os = "haiku"; then
3468     disable memalign
3469     disable posix_memalign
3470 fi
3471
3472 ! enabled_any memalign posix_memalign &&
3473     enabled_any $need_memalign && enable memalign_hack
3474
3475 # add_dep lib dep
3476 # -> enable ${lib}_deps_${dep}
3477 # -> add $dep to ${lib}_deps only once
3478 add_dep() {
3479     lib=$1
3480     dep=$2
3481     enabled "${lib}_deps_${dep}" && return 0
3482     enable  "${lib}_deps_${dep}"
3483     prepend "${lib}_deps" $dep
3484 }
3485
3486 # merge deps lib components
3487 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3488 merge_deps() {
3489     lib=$1
3490     shift
3491     for comp in $*; do
3492         enabled $comp || continue
3493         eval "dep=\"\$${comp}_deps\""
3494         for d in $dep; do
3495             add_dep $lib $d
3496         done
3497     done
3498 }
3499
3500 merge_deps libavfilter $FILTER_LIST
3501
3502 echo "install prefix            $prefix"
3503 echo "source path               $source_path"
3504 echo "C compiler                $cc"
3505 echo "ARCH                      $arch ($cpu)"
3506 if test "$build_suffix" != ""; then
3507     echo "build suffix              $build_suffix"
3508 fi
3509 if test "$progs_suffix" != ""; then
3510     echo "progs suffix              $progs_suffix"
3511 fi
3512 if test "$extra_version" != ""; then
3513     echo "version string suffix     $extra_version"
3514 fi
3515 echo "big-endian                ${bigendian-no}"
3516 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3517 if enabled x86; then
3518     echo "${yasmexe}                      ${yasm-no}"
3519     echo "MMX enabled               ${mmx-no}"
3520     echo "MMX2 enabled              ${mmx2-no}"
3521     echo "3DNow! enabled            ${amd3dnow-no}"
3522     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3523     echo "SSE enabled               ${sse-no}"
3524     echo "SSSE3 enabled             ${ssse3-no}"
3525     echo "AVX enabled               ${avx-no}"
3526     echo "CMOV enabled              ${cmov-no}"
3527     echo "CMOV is fast              ${fast_cmov-no}"
3528     echo "EBX available             ${ebx_available-no}"
3529     echo "EBP available             ${ebp_available-no}"
3530 fi
3531 if enabled arm; then
3532     echo "ARMv5TE enabled           ${armv5te-no}"
3533     echo "ARMv6 enabled             ${armv6-no}"
3534     echo "ARMv6T2 enabled           ${armv6t2-no}"
3535     echo "ARM VFP enabled           ${armvfp-no}"
3536     echo "NEON enabled              ${neon-no}"
3537 fi
3538 if enabled mips; then
3539     echo "MMI enabled               ${mmi-no}"
3540 fi
3541 if enabled ppc; then
3542     echo "AltiVec enabled           ${altivec-no}"
3543     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3544     echo "dcbzl available           ${dcbzl-no}"
3545 fi
3546 if enabled sparc; then
3547     echo "VIS enabled               ${vis-no}"
3548 fi
3549 echo "debug symbols             ${debug-no}"
3550 echo "strip symbols             ${stripping-no}"
3551 echo "optimize for size         ${small-no}"
3552 echo "optimizations             ${optimizations-no}"
3553 echo "static                    ${static-no}"
3554 echo "shared                    ${shared-no}"
3555 echo "postprocessing support    ${postproc-no}"
3556 echo "new filter support        ${avfilter-no}"
3557 echo "network support           ${network-no}"
3558 echo "threading support         ${thread_type-no}"
3559 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3560 echo "SDL support               ${sdl-no}"
3561 echo "libdxva2 enabled          ${dxva2-no}"
3562 echo "libva enabled             ${vaapi-no}"
3563 echo "libvdpau enabled          ${vdpau-no}"
3564 echo "AVISynth enabled          ${avisynth-no}"
3565 echo "frei0r enabled            ${frei0r-no}"
3566 echo "gnutls enabled            ${gnutls-no}"
3567 echo "libaacplus enabled        ${libaacplus-no}"
3568 echo "libass enabled            ${libass-no}"
3569 echo "libcdio support           ${libcdio-no}"
3570 echo "libcelt enabled           ${libcelt-no}"
3571 echo "libdc1394 support         ${libdc1394-no}"
3572 echo "libfaac enabled           ${libfaac-no}"
3573 echo "libgsm enabled            ${libgsm-no}"
3574 echo "libmodplug enabled        ${libmodplug-no}"
3575 echo "libmp3lame enabled        ${libmp3lame-no}"
3576 echo "libnut enabled            ${libnut-no}"
3577 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3578 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3579 echo "libopencv support         ${libopencv-no}"
3580 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3581 echo "libpulse enabled          ${libpulse-no}"
3582 echo "librtmp enabled           ${librtmp-no}"
3583 echo "libschroedinger enabled   ${libschroedinger-no}"
3584 echo "libspeex enabled          ${libspeex-no}"
3585 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3586 echo "libtheora enabled         ${libtheora-no}"
3587 echo "libutvideo enabled        ${libutvideo-no}"
3588 echo "libv4l2 enabled           ${libv4l2-no}"
3589 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3590 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3591 echo "libvorbis enabled         ${libvorbis-no}"
3592 echo "libvpx enabled            ${libvpx-no}"
3593 echo "libx264 enabled           ${libx264-no}"
3594 echo "libxavs enabled           ${libxavs-no}"
3595 echo "libxvid enabled           ${libxvid-no}"
3596 echo "openal enabled            ${openal-no}"
3597 echo "openssl enabled           ${openssl-no}"
3598 echo "zlib enabled              ${zlib-no}"
3599 echo "bzlib enabled             ${bzlib-no}"
3600 echo
3601
3602 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3603     echo "Enabled ${type}s:"
3604     eval list=\$$(toupper $type)_LIST
3605     print_enabled '_*' $list | sort | pr -r -3 -t
3606     echo
3607 done
3608
3609 license="LGPL version 2.1 or later"
3610 if enabled nonfree; then
3611     license="nonfree and unredistributable"
3612 elif enabled gplv3; then
3613     license="GPL version 3 or later"
3614 elif enabled lgplv3; then
3615     license="LGPL version 3 or later"
3616 elif enabled gpl; then
3617     license="GPL version 2 or later"
3618 fi
3619
3620 echo "License: $license"
3621
3622 echo "Creating config.mak and config.h..."
3623
3624 test -e Makefile || $ln_s "$source_path/Makefile" .
3625
3626 enabled stripping || strip="echo skipping strip"
3627
3628 config_files="$TMPH config.mak"
3629
3630 cat > config.mak <<EOF
3631 # Automatically generated by configure - do not modify!
3632 ifndef FFMPEG_CONFIG_MAK
3633 FFMPEG_CONFIG_MAK=1
3634 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3635 prefix=$prefix
3636 LIBDIR=\$(DESTDIR)$libdir
3637 SHLIBDIR=\$(DESTDIR)$shlibdir
3638 INCDIR=\$(DESTDIR)$incdir
3639 BINDIR=\$(DESTDIR)$bindir
3640 DATADIR=\$(DESTDIR)$datadir
3641 MANDIR=\$(DESTDIR)$mandir
3642 SRC_PATH=$source_path
3643 ifndef MAIN_MAKEFILE
3644 SRC_PATH:=\$(SRC_PATH:.%=..%)
3645 endif
3646 CC_IDENT=$cc_ident
3647 ARCH=$arch
3648 CC=$cc
3649 CXX=$cxx
3650 AS=$as
3651 LD=$ld
3652 DEPCC=$dep_cc
3653 YASM=$yasmexe
3654 YASMDEP=$yasmexe
3655 AR=$ar
3656 RANLIB=$ranlib
3657 CP=cp -p
3658 LN_S=$ln_s
3659 STRIP=$strip
3660 CPPFLAGS=$CPPFLAGS
3661 CFLAGS=$CFLAGS
3662 CXXFLAGS=$CXXFLAGS
3663 ASFLAGS=$ASFLAGS
3664 AS_O=$CC_O
3665 CC_O=$CC_O
3666 CXX_O=$CXX_O
3667 LDFLAGS=$LDFLAGS
3668 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3669 SHFLAGS=$SHFLAGS
3670 YASMFLAGS=$YASMFLAGS
3671 BUILDSUF=$build_suffix
3672 PROGSSUF=$progs_suffix
3673 FULLNAME=$FULLNAME
3674 LIBPREF=$LIBPREF
3675 LIBSUF=$LIBSUF
3676 LIBNAME=$LIBNAME
3677 SLIBPREF=$SLIBPREF
3678 SLIBSUF=$SLIBSUF
3679 EXESUF=$EXESUF
3680 EXTRA_VERSION=$extra_version
3681 DEPFLAGS=$DEPFLAGS
3682 CCDEP=$CCDEP
3683 CXXDEP=$CXXDEP
3684 ASDEP=$ASDEP
3685 CC_DEPFLAGS=$CC_DEPFLAGS
3686 AS_DEPFLAGS=$AS_DEPFLAGS
3687 HOSTCC=$host_cc
3688 HOSTCFLAGS=$host_cflags
3689 HOSTEXESUF=$HOSTEXESUF
3690 HOSTLDFLAGS=$host_ldflags
3691 HOSTLIBS=$host_libs
3692 TARGET_EXEC=$target_exec
3693 TARGET_PATH=$target_path
3694 SDL_LIBS=$sdl_libs
3695 SDL_CFLAGS=$sdl_cflags
3696 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3697 EXTRALIBS=$extralibs
3698 INSTALL=$install
3699 LIBTARGET=${LIBTARGET}
3700 SLIBNAME=${SLIBNAME}
3701 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3702 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3703 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3704 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3705 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3706 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3707 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3708 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3709 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3710 NOREDZONE_FLAGS=$noredzone_flags
3711 EOF
3712
3713 get_version(){
3714     name=$1
3715     file=$source_path/$2
3716 # This condition will be removed when we stop supporting old libpostproc versions
3717 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3718     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3719     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3720 fi
3721     lcname=$(tolower $name)
3722     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3723     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3724 }
3725
3726 get_version LIBAVCODEC  libavcodec/version.h
3727 get_version LIBAVDEVICE libavdevice/avdevice.h
3728 get_version LIBAVFILTER libavfilter/version.h
3729 get_version LIBAVFORMAT libavformat/version.h
3730 get_version LIBAVRESAMPLE libavresample/version.h
3731 get_version LIBAVUTIL   libavutil/avutil.h
3732 get_version LIBPOSTPROC libpostproc/postprocess.h
3733 get_version LIBSWRESAMPLE libswresample/swresample.h
3734 get_version LIBSWSCALE  libswscale/swscale.h
3735
3736 cat > $TMPH <<EOF
3737 /* Automatically generated by configure - do not modify! */
3738 #ifndef FFMPEG_CONFIG_H
3739 #define FFMPEG_CONFIG_H
3740 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3741 #define FFMPEG_LICENSE "$(c_escape $license)"
3742 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3743 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3744 #define CC_TYPE "$cc_type"
3745 #define CC_VERSION $cc_version
3746 #define restrict $_restrict
3747 #define EXTERN_PREFIX "${extern_prefix}"
3748 #define EXTERN_ASM ${extern_prefix}
3749 #define SLIBSUF "$SLIBSUF"
3750 EOF
3751
3752 test -n "$assert_level" &&
3753     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
3754
3755 test -n "$malloc_prefix" &&
3756     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3757
3758 if enabled small || disabled optimizations; then
3759     echo "#undef  av_always_inline"  >> $TMPH
3760     if enabled small; then
3761         echo "#define av_always_inline inline"  >> $TMPH
3762     else
3763         echo "#define av_always_inline av_unused"  >> $TMPH
3764     fi
3765 fi
3766
3767 if enabled yasm; then
3768     append config_files $TMPASM
3769     printf '' >$TMPASM
3770 fi
3771
3772 print_config ARCH_   "$config_files" $ARCH_LIST
3773 print_config HAVE_   "$config_files" $HAVE_LIST
3774 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3775                                      $CONFIG_EXTRA      \
3776                                      $ALL_COMPONENTS    \
3777
3778 cat >>config.mak <<EOF
3779 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3780 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3781 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3782 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3783 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3784 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3785 EOF
3786
3787 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3788 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3789
3790 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3791 cp_if_changed $TMPH config.h
3792 touch .config
3793
3794 enabled yasm && cp_if_changed $TMPASM config.asm
3795
3796 cat > $TMPH <<EOF
3797 /* Generated by ffconf */
3798 #ifndef AVUTIL_AVCONFIG_H
3799 #define AVUTIL_AVCONFIG_H
3800 EOF
3801
3802 test "$postproc_version" != current && cat >> $TMPH <<EOF
3803 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3804 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3805 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3806 EOF
3807
3808 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3809
3810 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3811
3812 cp_if_changed $TMPH libavutil/avconfig.h
3813
3814 test -n "$WARNINGS" && printf "\n$WARNINGS"
3815
3816 # build pkg-config files
3817
3818 pkgconfig_generate(){
3819 name=$1
3820 shortname=${name#lib}${build_suffix}
3821 comment=$2
3822 version=$3
3823 libs=$4
3824 requires=$5
3825 enabled ${name#lib} || return 0
3826 mkdir -p $name
3827 cat <<EOF > $name/$name.pc
3828 prefix=$prefix
3829 exec_prefix=\${prefix}
3830 libdir=$libdir
3831 includedir=$incdir
3832
3833 Name: $name
3834 Description: $comment
3835 Version: $version
3836 Requires: $(enabled shared || echo $requires)
3837 Requires.private: $(enabled shared && echo $requires)
3838 Conflicts:
3839 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3840 Libs.private: $(enabled shared && echo $libs)
3841 Cflags: -I\${includedir}
3842 EOF
3843 cat <<EOF > $name/$name-uninstalled.pc
3844 prefix=
3845 exec_prefix=
3846 libdir=\${pcfiledir}
3847 includedir=${source_path}
3848
3849 Name: $name
3850 Description: $comment
3851 Version: $version
3852 Requires: $requires
3853 Conflicts:
3854 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3855 Cflags: -I\${includedir}
3856 EOF
3857 }
3858
3859 libavfilter_pc_deps=""
3860 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3861 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3862 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3863 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3864 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3865 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3866
3867 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
3868 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
3869
3870 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3871 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3872 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3873 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
3874 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3875 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3876 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3877 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3878 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"