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 Standard options:
  63   --help                   print this message
  64   --logfile=FILE           log tests and output to FILE [config.log]
  65   --disable-logging        do not log configure debug information
  66   --prefix=PREFIX          install in PREFIX [$prefix]
  67   --bindir=DIR             install binaries in DIR [PREFIX/bin]
  68   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
  69   --libdir=DIR             install libs in DIR [PREFIX/lib]
  70   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
  71   --incdir=DIR             install includes in DIR [PREFIX/include]
  72   --mandir=DIR             install man page in DIR [PREFIX/share/man]
  73
  74 Configuration options:
  75   --disable-static         do not build static libraries [no]
  76   --enable-shared          build shared libraries [no]
  77   --enable-gpl             allow use of GPL code, the resulting libs
  78                            and binaries will be under GPL [no]
  79   --enable-version3        upgrade (L)GPL to version 3 [no]
  80   --enable-nonfree         allow use of nonfree code, the resulting libs
  81                            and binaries will be unredistributable [no]
  82   --disable-doc            do not build documentation
  83   --disable-ffmpeg         disable ffmpeg build
  84   --enable-avconv          enable  avconv build
  85   --disable-ffplay         disable ffplay build
  86   --disable-ffprobe        disable ffprobe build
  87   --disable-ffserver       disable ffserver build
  88   --disable-avdevice       disable libavdevice build
  89   --disable-avcodec        disable libavcodec build
  90   --disable-avformat       disable libavformat build
  91   --disable-swresample     disable libswresample build
  92   --disable-swscale        disable libswscale build
  93   --disable-postproc       disable libpostproc build
  94   --disable-avfilter       disable video filter support [no]
  95   --disable-pthreads       disable pthreads [auto]
  96   --disable-w32threads     disable Win32 threads [auto]
  97   --disable-os2threads     disable OS/2 threads [auto]
  98   --enable-x11grab         enable X11 grabbing [no]
  99   --disable-network        disable network support [no]
 100   --enable-gray            enable full grayscale support (slower color)
 101   --disable-swscale-alpha  disable alpha channel support in swscale
 102   --disable-fastdiv        disable table-based division
 103   --enable-small           optimize for size instead of speed
 104   --disable-aandct         disable AAN DCT code
 105   --disable-dct            disable DCT code
 106   --disable-fft            disable FFT code
 107   --disable-golomb         disable Golomb code
 108   --disable-huffman        disable Huffman code
 109   --disable-lpc            disable LPC code
 110   --disable-mdct           disable MDCT code
 111   --disable-rdft           disable RDFT code
 112   --enable-vaapi           enable VAAPI code [autodetect]
 113   --enable-vda             enable VDA code [autodetect]
 114   --enable-vdpau           enable VDPAU code [autodetect]
 115   --disable-dxva2          disable DXVA2 code
 116   --disable-vda            disable VDA code
 117   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
 118   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 119   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 120   --disable-everything     disable all components listed below
 121   --disable-encoder=NAME   disable encoder NAME
 122   --enable-encoder=NAME    enable encoder NAME
 123   --disable-encoders       disable all encoders
 124   --disable-decoder=NAME   disable decoder NAME
 125   --enable-decoder=NAME    enable decoder NAME
 126   --disable-decoders       disable all decoders
 127   --disable-hwaccel=NAME   disable hwaccel NAME
 128   --enable-hwaccel=NAME    enable hwaccel NAME
 129   --disable-hwaccels       disable all hwaccels
 130   --disable-muxer=NAME     disable muxer NAME
 131   --enable-muxer=NAME      enable muxer NAME
 132   --disable-muxers         disable all muxers
 133   --disable-demuxer=NAME   disable demuxer NAME
 134   --enable-demuxer=NAME    enable demuxer NAME
 135   --disable-demuxers       disable all demuxers
 136   --enable-parser=NAME     enable parser NAME
 137   --disable-parser=NAME    disable parser NAME
 138   --disable-parsers        disable all parsers
 139   --enable-bsf=NAME        enable bitstream filter NAME
 140   --disable-bsf=NAME       disable bitstream filter NAME
 141   --disable-bsfs           disable all bitstream filters
 142   --enable-protocol=NAME   enable protocol NAME
 143   --disable-protocol=NAME  disable protocol NAME
 144   --disable-protocols      disable all protocols
 145   --disable-indev=NAME     disable input device NAME
 146   --disable-outdev=NAME    disable output device NAME
 147   --disable-indevs         disable input devices
 148   --disable-outdevs        disable output devices
 149   --disable-devices        disable all devices
 150   --enable-filter=NAME     enable filter NAME
 151   --disable-filter=NAME    disable filter NAME
 152   --disable-filters        disable all filters
 153   --list-decoders          show all available decoders
 154   --list-encoders          show all available encoders
 155   --list-hwaccels          show all available hardware accelerators
 156   --list-muxers            show all available muxers
 157   --list-demuxers          show all available demuxers
 158   --list-parsers           show all available parsers
 159   --list-protocols         show all available protocols
 160   --list-bsfs              show all available bitstream filters
 161   --list-indevs            show all available input devices
 162   --list-outdevs           show all available output devices
 163   --list-filters           show all available filters
 164
 165 External library support:
 166   --enable-avisynth        enable reading of AVISynth script files [no]
 167   --enable-bzlib           enable bzlib [autodetect]
 168   --enable-frei0r          enable frei0r video filtering
 169   --enable-gnutls          enable gnutls [no]
 170   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
 171   --enable-libass          enable libass subtitles rendering [no]
 172   --enable-libcelt         enable CELT decoding via libcelt [no]
 173   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 174   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 175   --enable-libopencv       enable video filtering via libopencv [no]
 176   --enable-libcdio         enable audio CD grabbing with libcdio
 177   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 178                            and libraw1394 [no]
 179   --enable-libdirac        enable Dirac support via libdirac [no]
 180   --enable-libfaac         enable FAAC support via libfaac [no]
 181   --enable-libfreetype     enable libfreetype [no]
 182   --enable-libgsm          enable GSM support via libgsm [no]
 183   --enable-libmodplug      enable ModPlug via libmodplug [no]
 184   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
 185   --enable-libnut          enable NUT (de)muxing via libnut,
 186                            native (de)muxer exists [no]
 187   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
 188   --enable-libpulse        enable Pulseaudio input via libpulse [no]
 189   --enable-librtmp         enable RTMP[E] support via librtmp [no]
 190   --enable-libschroedinger enable Dirac support via libschroedinger [no]
 191   --enable-libspeex        enable Speex support via libspeex [no]
 192   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
 193   --enable-libtheora       enable Theora encoding via libtheora [no]
 194   --enable-libutvideo      enable Ut Video decoding via libutvideo [no]
 195   --enable-libv4l2         enable libv4l2/v4l-utils [no]
 196   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
 197   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
 198   --enable-libvorbis       enable Vorbis encoding via libvorbis,
 199                            native implementation exists [no]
 200   --enable-libvpx          enable VP8 support via libvpx [no]
 201   --enable-libx264         enable H.264 encoding via x264 [no]
 202   --enable-libxavs         enable AVS encoding via xavs [no]
 203   --enable-libxvid         enable Xvid encoding via xvidcore,
 204                            native MPEG-4/Xvid encoder exists [no]
 205   --enable-openal          enable OpenAL 1.1 capture support [no]
 206   --enable-mlib            enable Sun medialib [no]
 207   --enable-openssl         enable openssl [no]
 208   --enable-zlib            enable zlib [autodetect]
 209
 210 Advanced options (experts only):
 211   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
 212   --enable-cross-compile   assume a cross-compiler is used
 213   --sysroot=PATH           root of cross-build tree
 214   --sysinclude=PATH        location of cross-build system headers
 215   --target-os=OS           compiler targets OS [$target_os]
 216   --target-exec=CMD        command to run executables on target
 217   --target-path=DIR        path to view of build directory on target
 218   --nm=NM                  use nm tool
 219   --ar=AR                  use archive tool AR [$ar_default]
 220   --as=AS                  use assembler AS [$as_default]
 221   --cc=CC                  use C compiler CC [$cc_default]
 222   --cxx=CXX                use C compiler CXX [$cxx_default]
 223   --ld=LD                  use linker LD
 224   --host-cc=HOSTCC         use host C compiler HOSTCC
 225   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 226   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 227   --host-libs=HLIBS        use libs HLIBS when linking for host
 228   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 229   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
 230   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
 231   --extra-libs=ELIBS       add ELIBS [$ELIBS]
 232   --extra-version=STRING   version string suffix []
 233   --build-suffix=SUFFIX    library name suffix []
 234   --progs-suffix=SUFFIX    program name suffix []
 235   --arch=ARCH              select architecture [$arch]
 236   --cpu=CPU                select the minimum required CPU (affects
 237                            instruction selection, may crash on older CPUs)
 238   --disable-asm            disable all assembler optimizations
 239   --disable-altivec        disable AltiVec optimizations
 240   --disable-amd3dnow       disable 3DNow! optimizations
 241   --disable-amd3dnowext    disable 3DNow! extended optimizations
 242   --disable-mmx            disable MMX optimizations
 243   --disable-mmx2           disable MMX2 optimizations
 244   --disable-sse            disable SSE optimizations
 245   --disable-ssse3          disable SSSE3 optimizations
 246   --disable-avx            disable AVX optimizations
 247   --disable-armv5te        disable armv5te optimizations
 248   --disable-armv6          disable armv6 optimizations
 249   --disable-armv6t2        disable armv6t2 optimizations
 250   --disable-armvfp         disable ARM VFP optimizations
 251   --disable-iwmmxt         disable iwmmxt optimizations
 252   --disable-mmi            disable MMI optimizations
 253   --disable-neon           disable neon optimizations
 254   --disable-vis            disable VIS optimizations
 255   --disable-yasm           disable use of yasm assembler
 256   --enable-pic             build position-independent code
 257   --malloc-prefix=PFX      prefix malloc and related names with PFX
 258   --enable-sram            allow use of on-chip SRAM
 259   --disable-symver         disable symbol versioning
 260   --optflags               override optimization-related compiler flags
 261
 262 Developer options (useful when working on FFmpeg itself):
 263   --enable-coverage        build with test coverage instrumentation
 264   --disable-debug          disable debugging symbols
 265   --enable-debug=LEVEL     set the debug level [$debuglevel]
 266   --disable-optimizations  disable compiler optimizations
 267   --enable-extra-warnings  enable more compiler warnings
 268   --disable-stripping      disable stripping of executables and shared libraries
 269   --samples=PATH           location of test samples for FATE, if not set use
 270                            \$FATE_SAMPLES at make invocation time.
 271
 272 NOTE: Object files are built at the place where configure is launched.
 273 EOF
 274   exit 0
 275 }
 276
 277 quotes='""'
 278
 279 log(){
 280     echo "$@" >> $logfile
 281 }
 282
 283 log_file(){
 284     log BEGIN $1
 285     pr -n -t $1 >> $logfile
 286     log END $1
 287 }
 288
 289 echolog(){
 290     log "$@"
 291     echo "$@"
 292 }
 293
 294 warn(){
 295     log "WARNING: $*"
 296     WARNINGS="${WARNINGS}WARNING: $*\n"
 297 }
 298
 299 die(){
 300     echolog "$@"
 301     cat <<EOF
 302
 303 If you think configure made a mistake, make sure you are using the latest
 304 version from Git.  If the latest version fails, report the problem to the
 305 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 306 EOF
 307     if disabled logging; then
 308         cat <<EOF
 309 Rerun configure with logging enabled (do not use --disable-logging), and
 310 include the log this produces with your report.
 311 EOF
 312     else
 313 cat <<EOF
 314 Include the log file "$logfile" produced by configure as this will help
 315 solving the problem.
 316 EOF
 317     fi
 318     exit 1
 319 }
 320
 321 # Avoid locale weirdness, besides we really just want to translate ASCII.
 322 toupper(){
 323     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 324 }
 325
 326 tolower(){
 327     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 328 }
 329
 330 c_escape(){
 331     echo "$*" | sed 's/["\\]/\\\0/g'
 332 }
 333
 334 sh_quote(){
 335     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 336     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 337     echo "$v"
 338 }
 339
 340 cleanws(){
 341     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 342 }
 343
 344 filter(){
 345     pat=$1
 346     shift
 347     for v; do
 348         eval "case $v in $pat) echo $v ;; esac"
 349     done
 350 }
 351
 352 filter_out(){
 353     pat=$1
 354     shift
 355     for v; do
 356         eval "case $v in $pat) ;; *) echo $v ;; esac"
 357     done
 358 }
 359
 360 map(){
 361     m=$1
 362     shift
 363     for v; do eval $m; done
 364 }
 365
 366 set_all(){
 367     value=$1
 368     shift
 369     for var in $*; do
 370         eval $var=$value
 371     done
 372 }
 373
 374 set_weak(){
 375     value=$1
 376     shift
 377     for var; do
 378         eval : \${$var:=$value}
 379     done
 380 }
 381
 382 set_safe(){
 383     var=$1
 384     shift
 385     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 386 }
 387
 388 get_safe(){
 389     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 390 }
 391
 392 pushvar(){
 393     for var in $*; do
 394         eval level=\${${var}_level:=0}
 395         eval ${var}_${level}="\$$var"
 396         eval ${var}_level=$(($level+1))
 397     done
 398 }
 399
 400 popvar(){
 401     for var in $*; do
 402         eval level=\${${var}_level:-0}
 403         test $level = 0 && continue
 404         eval level=$(($level-1))
 405         eval $var="\${${var}_${level}}"
 406         eval ${var}_level=$level
 407         eval unset ${var}_${level}
 408     done
 409 }
 410
 411 enable(){
 412     set_all yes $*
 413 }
 414
 415 disable(){
 416     set_all no $*
 417 }
 418
 419 enable_weak(){
 420     set_weak yes $*
 421 }
 422
 423 disable_weak(){
 424     set_weak no $*
 425 }
 426
 427 enable_safe(){
 428     for var; do
 429         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 430     done
 431 }
 432
 433 disable_safe(){
 434     for var; do
 435         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 436     done
 437 }
 438
 439 do_enable_deep(){
 440     for var; do
 441         enabled $var && continue
 442         eval sel="\$${var}_select"
 443         eval sgs="\$${var}_suggest"
 444         pushvar var sgs
 445         enable_deep $sel
 446         popvar sgs
 447         enable_deep_weak $sgs
 448         popvar var
 449     done
 450 }
 451
 452 enable_deep(){
 453     do_enable_deep $*
 454     enable $*
 455 }
 456
 457 enable_deep_weak(){
 458     do_enable_deep $*
 459     enable_weak $*
 460 }
 461
 462 enabled(){
 463     test "${1#!}" = "$1" && op== || op=!=
 464     eval test "x\$${1#!}" $op "xyes"
 465 }
 466
 467 disabled(){
 468     test "${1#!}" = "$1" && op== || op=!=
 469     eval test "x\$${1#!}" $op "xno"
 470 }
 471
 472 enabled_all(){
 473     for opt; do
 474         enabled $opt || return 1
 475     done
 476 }
 477
 478 disabled_all(){
 479     for opt; do
 480         disabled $opt || return 1
 481     done
 482 }
 483
 484 enabled_any(){
 485     for opt; do
 486         enabled $opt && return 0
 487     done
 488 }
 489
 490 disabled_any(){
 491     for opt; do
 492         disabled $opt && return 0
 493     done
 494     return 1
 495 }
 496
 497 set_default(){
 498     for opt; do
 499         eval : \${$opt:=\$${opt}_default}
 500     done
 501 }
 502
 503 is_in(){
 504     value=$1
 505     shift
 506     for var in $*; do
 507         [ $var = $value ] && return 0
 508     done
 509     return 1
 510 }
 511
 512 check_deps(){
 513     for cfg; do
 514         cfg="${cfg#!}"
 515         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 516         disabled ${cfg}_checking && continue
 517         enable ${cfg}_checking
 518
 519         eval dep_all="\$${cfg}_deps"
 520         eval dep_any="\$${cfg}_deps_any"
 521         eval dep_sel="\$${cfg}_select"
 522         eval dep_sgs="\$${cfg}_suggest"
 523         eval dep_ifa="\$${cfg}_if"
 524         eval dep_ifn="\$${cfg}_if_any"
 525
 526         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 527         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 528         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 529
 530         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 531         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 532         enabled_all  $dep_all || disable $cfg
 533         enabled_any  $dep_any || disable $cfg
 534         disabled_any $dep_sel && disable $cfg
 535
 536         if enabled $cfg; then
 537             eval dep_extralibs="\$${cfg}_extralibs"
 538             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 539             enable_deep $dep_sel
 540             enable_deep_weak $dep_sgs
 541         fi
 542
 543         disable ${cfg}_checking
 544     done
 545 }
 546
 547 print_config_h(){
 548     enabled $1 && v=1 || v=0
 549     echo "#define $2 $v"
 550 }
 551
 552 print_config_mak(){
 553     enabled $1 && v= || v=!
 554     echo "$v$2=yes"
 555 }
 556
 557 print_config_asm(){
 558     enabled $1 && echo "%define $2"
 559 }
 560
 561 print_config(){
 562     pfx=$1
 563     files=$2
 564     shift 2
 565     for cfg; do
 566         ucname="$(toupper $cfg)"
 567         for f in $files; do
 568             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 569         done
 570     done
 571 }
 572
 573 print_enabled(){
 574     test "$1" = -n && end=" " && shift || end="\n"
 575     suf=$1
 576     shift
 577     for v; do
 578         enabled $v && printf "%s$end" ${v%$suf};
 579     done
 580 }
 581
 582 append(){
 583     var=$1
 584     shift
 585     eval "$var=\"\$$var $*\""
 586 }
 587
 588 prepend(){
 589     var=$1
 590     shift
 591     eval "$var=\"$* \$$var\""
 592 }
 593
 594 add_cppflags(){
 595     append CPPFLAGS $($filter_cppflags "$@")
 596 }
 597
 598 add_cflags(){
 599     append CFLAGS $($filter_cflags "$@")
 600 }
 601
 602 add_cxxflags(){
 603     append CXXFLAGS $($filter_cflags "$@")
 604 }
 605
 606 add_asflags(){
 607     append ASFLAGS $($filter_asflags "$@")
 608 }
 609
 610 add_ldflags(){
 611     append LDFLAGS "$@"
 612 }
 613
 614 add_extralibs(){
 615     prepend extralibs "$@"
 616 }
 617
 618 check_cmd(){
 619     log "$@"
 620     "$@" >> $logfile 2>&1
 621 }
 622
 623 check_cc(){
 624     log check_cc "$@"
 625     cat > $TMPC
 626     log_file $TMPC
 627     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 628 }
 629
 630 check_cxx(){
 631     log check_cxx "$@"
 632     cat > $TMPCPP
 633     log_file $TMPCPP
 634     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
 635 }
 636
 637 check_cpp(){
 638     log check_cpp "$@"
 639     cat > $TMPC
 640     log_file $TMPC
 641     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 642 }
 643
 644 check_as(){
 645     log check_as "$@"
 646     cat > $TMPC
 647     log_file $TMPC
 648     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 649 }
 650
 651 check_asm(){
 652     log check_asm "$@"
 653     name="$1"
 654     code="$2"
 655     shift 2
 656     disable $name
 657     check_as "$@" <<EOF && enable $name
 658 void foo(void){ __asm__ volatile($code); }
 659 EOF
 660 }
 661
 662 check_yasm(){
 663     log check_yasm "$@"
 664     echo "$1" > $TMPS
 665     log_file $TMPS
 666     shift 1
 667     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 668 }
 669
 670 check_ld(){
 671     log check_ld "$@"
 672     type=$1
 673     shift 1
 674     flags=''
 675     libs=''
 676     for f; do
 677         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 678     done
 679     check_$type $($filter_cflags $flags) || return
 680     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
 681 }
 682
 683 check_cppflags(){
 684     log check_cppflags "$@"
 685     set -- $($filter_cppflags "$@")
 686     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 687 int x;
 688 EOF
 689 }
 690
 691 check_cflags(){
 692     log check_cflags "$@"
 693     set -- $($filter_cflags "$@")
 694     check_cc "$@" <<EOF && append CFLAGS "$@"
 695 int x;
 696 EOF
 697 }
 698
 699 check_cxxflags(){
 700     log check_cxxflags "$@"
 701     set -- $($filter_cflags "$@")
 702     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 703 int x;
 704 EOF
 705 }
 706
 707 test_ldflags(){
 708     log test_ldflags "$@"
 709     check_ld "cc" "$@" <<EOF
 710 int main(void){ return 0; }
 711 EOF
 712 }
 713
 714 check_ldflags(){
 715     log check_ldflags "$@"
 716     test_ldflags "$@" && add_ldflags "$@"
 717 }
 718
 719 check_header(){
 720     log check_header "$@"
 721     header=$1
 722     shift
 723     disable_safe $header
 724     check_cpp "$@" <<EOF && enable_safe $header
 725 #include <$header>
 726 int x;
 727 EOF
 728 }
 729
 730 check_func(){
 731     log check_func "$@"
 732     func=$1
 733     shift
 734     disable $func
 735     check_ld "cc" "$@" <<EOF && enable $func
 736 extern int $func();
 737 int main(void){ $func(); }
 738 EOF
 739 }
 740
 741 check_mathfunc(){
 742     log check_mathfunc "$@"
 743     func=$1
 744     shift
 745     disable $func
 746     check_ld "cc" "$@" <<EOF && enable $func
 747 #include <math.h>
 748 float foo(float f) { return $func(f); }
 749 int main(void){ return (int) foo; }
 750 EOF
 751 }
 752
 753 check_func_headers(){
 754     log check_func_headers "$@"
 755     headers=$1
 756     funcs=$2
 757     shift 2
 758     {
 759         for hdr in $headers; do
 760             echo "#include <$hdr>"
 761         done
 762         for func in $funcs; do
 763             echo "long check_$func(void) { return (long) $func; }"
 764         done
 765         echo "int main(void) { return 0; }"
 766     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 767 }
 768
 769 check_class_headers_cpp(){
 770     log check_class_headers_cpp "$@"
 771     headers=$1
 772     classes=$2
 773     shift 2
 774     {
 775         for hdr in $headers; do
 776             echo "#include <$hdr>"
 777         done
 778         echo "int main(void) { "
 779         i=1
 780         for class in $classes; do
 781             echo "$class obj$i;"
 782             i=$(expr $i + 1)
 783         done
 784         echo "return 0; }"
 785     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 786 }
 787
 788 check_cpp_condition(){
 789     log check_cpp_condition "$@"
 790     header=$1
 791     condition=$2
 792     shift 2
 793     check_cpp $($filter_cppflags "$@") <<EOF
 794 #include <$header>
 795 #if !($condition)
 796 #error "unsatisfied condition: $condition"
 797 #endif
 798 EOF
 799 }
 800
 801 check_lib(){
 802     log check_lib "$@"
 803     header="$1"
 804     func="$2"
 805     shift 2
 806     check_header $header && check_func $func "$@" && add_extralibs "$@"
 807 }
 808
 809 check_lib2(){
 810     log check_lib2 "$@"
 811     headers="$1"
 812     funcs="$2"
 813     shift 2
 814     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 815 }
 816
 817 check_lib_cpp(){
 818     log check_lib_cpp "$@"
 819     headers="$1"
 820     classes="$2"
 821     shift 2
 822     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 823 }
 824
 825 check_pkg_config(){
 826     log check_pkg_config "$@"
 827     pkg="$1"
 828     headers="$2"
 829     funcs="$3"
 830     shift 3
 831     $pkg_config --exists $pkg 2>/dev/null || return
 832     pkg_cflags=$($pkg_config --cflags $pkg)
 833     pkg_libs=$($pkg_config --libs $pkg)
 834     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 835         set_safe ${pkg}_cflags $pkg_cflags   &&
 836         set_safe ${pkg}_libs   $pkg_libs
 837 }
 838
 839 check_exec(){
 840     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 841 }
 842
 843 check_exec_crash(){
 844     code=$(cat)
 845
 846     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 847     # are safe but may not be available everywhere.  Thus we use
 848     # raise(SIGTERM) instead.  The check is run in a subshell so we
 849     # can redirect the "Terminated" message from the shell.  SIGBUS
 850     # is not defined by standard C so it is used conditionally.
 851
 852     (check_exec "$@") >> $logfile 2>&1 <<EOF
 853 #include <signal.h>
 854 static void sighandler(int sig){
 855     raise(SIGTERM);
 856 }
 857 int func(void){
 858     $code
 859 }
 860 int main(void){
 861     signal(SIGILL, sighandler);
 862     signal(SIGFPE, sighandler);
 863     signal(SIGSEGV, sighandler);
 864 #ifdef SIGBUS
 865     signal(SIGBUS, sighandler);
 866 #endif
 867     return func();
 868 }
 869 EOF
 870 }
 871
 872 check_type(){
 873     log check_type "$@"
 874     headers=$1
 875     type=$2
 876     shift 2
 877     disable_safe "$type"
 878     incs=""
 879     for hdr in $headers; do
 880         incs="$incs
 881 #include <$hdr>"
 882     done
 883     check_cc "$@" <<EOF && enable_safe "$type"
 884 $incs
 885 $type v;
 886 EOF
 887 }
 888
 889 check_struct(){
 890     log check_type "$@"
 891     headers=$1
 892     struct=$2
 893     member=$3
 894     shift 3
 895     disable_safe "${struct}_${member}"
 896     incs=""
 897     for hdr in $headers; do
 898         incs="$incs
 899 #include <$hdr>"
 900     done
 901     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
 902 $incs
 903 const void *p = &(($struct *)0)->$member;
 904 EOF
 905 }
 906
 907 require(){
 908     name="$1"
 909     header="$2"
 910     func="$3"
 911     shift 3
 912     check_lib $header $func "$@" || die "ERROR: $name not found"
 913 }
 914
 915 require2(){
 916     name="$1"
 917     headers="$2"
 918     func="$3"
 919     shift 3
 920     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 921 }
 922
 923 require_cpp(){
 924     name="$1"
 925     headers="$2"
 926     classes="$3"
 927     shift 3
 928     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
 929 }
 930
 931 require_pkg_config(){
 932     pkg="$1"
 933     check_pkg_config "$@" || die "ERROR: $pkg not found"
 934     add_cflags    $(get_safe ${pkg}_cflags)
 935     add_extralibs $(get_safe ${pkg}_libs)
 936 }
 937
 938 check_host_cc(){
 939     log check_host_cc "$@"
 940     cat > $TMPC
 941     log_file $TMPC
 942     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
 943 }
 944
 945 check_host_cflags(){
 946     log check_host_cflags "$@"
 947     check_host_cc "$@" <<EOF && append host_cflags "$@"
 948 int x;
 949 EOF
 950 }
 951
 952 apply(){
 953     file=$1
 954     shift
 955     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 956 }
 957
 958 cp_if_changed(){
 959     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
 960     mkdir -p "$(dirname $2)"
 961     cp -f "$1" "$2"
 962 }
 963
 964 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 965 # system-dependent things.
 966
 967 COMPONENT_LIST="
 968     bsfs
 969     decoders
 970     demuxers
 971     encoders
 972     filters
 973     hwaccels
 974     indevs
 975     muxers
 976     outdevs
 977     parsers
 978     protocols
 979 "
 980
 981 PROGRAM_LIST="
 982     ffplay
 983     ffprobe
 984     ffserver
 985     ffmpeg
 986 "
 987
 988 CONFIG_LIST="
 989     $COMPONENT_LIST
 990     $PROGRAM_LIST
 991     avconv
 992     aandct
 993     ac3dsp
 994     avcodec
 995     avdevice
 996     avfilter
 997     avformat
 998     avisynth
 999     bzlib
1000     crystalhd
1001     dct
1002     doc
1003     dwt
1004     dxva2
1005     fastdiv
1006     fft
1007     frei0r
1008     gnutls
1009     golomb
1010     gpl
1011     gray
1012     h264chroma
1013     h264dsp
1014     h264pred
1015     hardcoded_tables
1016     huffman
1017     libaacplus
1018     libass
1019     libcdio
1020     libcelt
1021     libdc1394
1022     libdirac
1023     libfaac
1024     libfreetype
1025     libgsm
1026     libmodplug
1027     libmp3lame
1028     libnut
1029     libopencore_amrnb
1030     libopencore_amrwb
1031     libopencv
1032     libopenjpeg
1033     libpulse
1034     librtmp
1035     libschroedinger
1036     libspeex
1037     libstagefright_h264
1038     libtheora
1039     libutvideo
1040     libv4l2
1041     libvo_aacenc
1042     libvo_amrwbenc
1043     libvorbis
1044     libvpx
1045     libx264
1046     libxavs
1047     libxvid
1048     lpc
1049     lsp
1050     mdct
1051     memalign_hack
1052     mlib
1053     mpegaudiodsp
1054     network
1055     nonfree
1056     openal
1057     openssl
1058     pic
1059     postproc
1060     rdft
1061     rtpdec
1062     runtime_cpudetect
1063     shared
1064     sinewin
1065     small
1066     sram
1067     static
1068     swresample
1069     swscale
1070     swscale_alpha
1071     thumb
1072     vaapi
1073     vda
1074     vdpau
1075     version3
1076     x11grab
1077     zlib
1078 "
1079
1080 THREADS_LIST='
1081     pthreads
1082     w32threads
1083     os2threads
1084 '
1085
1086 ARCH_LIST='
1087     alpha
1088     arm
1089     avr32
1090     avr32_ap
1091     avr32_uc
1092     bfin
1093     ia64
1094     m68k
1095     mips
1096     mips64
1097     parisc
1098     ppc
1099     ppc64
1100     s390
1101     sh4
1102     sparc
1103     sparc64
1104     tomi
1105     x86
1106     x86_32
1107     x86_64
1108 '
1109
1110 ARCH_EXT_LIST='
1111     altivec
1112     amd3dnow
1113     amd3dnowext
1114     armv5te
1115     armv6
1116     armv6t2
1117     armvfp
1118     avx
1119     iwmmxt
1120     mmi
1121     mmx
1122     mmx2
1123     neon
1124     ppc4xx
1125     sse
1126     ssse3
1127     vfpv3
1128     vis
1129 '
1130
1131 HAVE_LIST_PUB='
1132     bigendian
1133     fast_unaligned
1134 '
1135
1136 HAVE_LIST="
1137     $ARCH_EXT_LIST
1138     $HAVE_LIST_PUB
1139     $THREADS_LIST
1140     aligned_stack
1141     alsa_asoundlib_h
1142     altivec_h
1143     arpa_inet_h
1144     asm_mod_y
1145     asm_types_h
1146     attribute_may_alias
1147     attribute_packed
1148     cbrtf
1149     closesocket
1150     cmov
1151     dcbzl
1152     dev_bktr_ioctl_bt848_h
1153     dev_bktr_ioctl_meteor_h
1154     dev_ic_bt8xx_h
1155     dev_video_bktr_ioctl_bt848_h
1156     dev_video_meteor_ioctl_meteor_h
1157     dlfcn_h
1158     dlopen
1159     dos_paths
1160     ebp_available
1161     ebx_available
1162     exp2
1163     exp2f
1164     fast_64bit
1165     fast_clz
1166     fast_cmov
1167     fcntl
1168     fork
1169     getaddrinfo
1170     gethrtime
1171     GetProcessMemoryInfo
1172     GetProcessTimes
1173     getrusage
1174     gnu_as
1175     ibm_asm
1176     inet_aton
1177     inline_asm
1178     isatty
1179     kbhit
1180     ldbrx
1181     llrint
1182     llrintf
1183     local_aligned_16
1184     local_aligned_8
1185     localtime_r
1186     log2
1187     log2f
1188     loongson
1189     lrint
1190     lrintf
1191     lzo1x_999_compress
1192     machine_ioctl_bt848_h
1193     machine_ioctl_meteor_h
1194     malloc_h
1195     MapViewOfFile
1196     memalign
1197     mkstemp
1198     mmap
1199     PeekNamedPipe
1200     poll_h
1201     posix_memalign
1202     round
1203     roundf
1204     sdl
1205     sdl_video_size
1206     setmode
1207     setrlimit
1208     sndio_h
1209     socklen_t
1210     soundcard_h
1211     strerror_r
1212     strptime
1213     struct_addrinfo
1214     struct_ipv6_mreq
1215     struct_rusage_ru_maxrss
1216     struct_sockaddr_in6
1217     struct_sockaddr_sa_len
1218     struct_sockaddr_storage
1219     symver
1220     symver_asm_label
1221     symver_gnu_asm
1222     sys_mman_h
1223     sys_resource_h
1224     sys_select_h
1225     sys_soundcard_h
1226     sys_videoio_h
1227     termios_h
1228     threads
1229     trunc
1230     truncf
1231     vfp_args
1232     VirtualAlloc
1233     winsock2_h
1234     xform_asm
1235     xmm_clobbers
1236     yasm
1237 "
1238
1239 # options emitted with CONFIG_ prefix but not available on command line
1240 CONFIG_EXTRA="
1241     avutil
1242     gplv3
1243     lgplv3
1244 "
1245
1246 CMDLINE_SELECT="
1247     $ARCH_EXT_LIST
1248     $CONFIG_LIST
1249     $THREADS_LIST
1250     asm
1251     coverage
1252     cross_compile
1253     debug
1254     extra_warnings
1255     logging
1256     optimizations
1257     stripping
1258     symver
1259     yasm
1260 "
1261
1262 PATHS_LIST='
1263     bindir
1264     datadir
1265     incdir
1266     libdir
1267     mandir
1268     prefix
1269     shlibdir
1270 '
1271
1272 CMDLINE_SET="
1273     $PATHS_LIST
1274     ar
1275     arch
1276     as
1277     build_suffix
1278     progs_suffix
1279     cc
1280     cpu
1281     cross_prefix
1282     cxx
1283     dep_cc
1284     extra_version
1285     host_cc
1286     host_cflags
1287     host_ldflags
1288     host_libs
1289     host_os
1290     install
1291     ld
1292     logfile
1293     malloc_prefix
1294     nm
1295     optflags
1296     pkg_config
1297     samples
1298     strip
1299     sysinclude
1300     sysroot
1301     target_exec
1302     target_os
1303     target_path
1304 "
1305
1306 CMDLINE_APPEND="
1307     extra_cflags
1308     extra_cxxflags
1309 "
1310
1311 # code dependency declarations
1312
1313 # architecture extensions
1314
1315 armv5te_deps="arm"
1316 armv6_deps="arm"
1317 armv6t2_deps="arm"
1318 armvfp_deps="arm"
1319 iwmmxt_deps="arm"
1320 neon_deps="arm"
1321 vfpv3_deps="armvfp"
1322
1323 mmi_deps="mips"
1324
1325 altivec_deps="ppc"
1326 ppc4xx_deps="ppc"
1327
1328 vis_deps="sparc"
1329
1330 x86_64_suggest="cmov fast_cmov"
1331 amd3dnow_deps="mmx"
1332 amd3dnowext_deps="amd3dnow"
1333 mmx_deps="x86"
1334 mmx2_deps="mmx"
1335 sse_deps="mmx"
1336 ssse3_deps="sse"
1337 avx_deps="ssse3"
1338
1339 aligned_stack_if_any="ppc x86"
1340 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1341 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1342 fast_unaligned_if_any="armv6 ppc x86"
1343
1344 inline_asm_deps="!tms470"
1345 need_memalign="altivec neon sse"
1346
1347 symver_if_any="symver_asm_label symver_gnu_asm"
1348
1349 # subsystems
1350 dct_select="rdft"
1351 mdct_select="fft"
1352 rdft_select="fft"
1353 mpegaudiodsp_select="dct"
1354
1355 # decoders / encoders / hardware accelerators
1356 aac_decoder_select="mdct sinewin"
1357 aac_encoder_select="mdct sinewin"
1358 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1359 ac3_decoder_select="mdct ac3dsp ac3_parser"
1360 ac3_encoder_select="mdct ac3dsp"
1361 ac3_fixed_encoder_select="mdct ac3dsp"
1362 alac_encoder_select="lpc"
1363 amrnb_decoder_select="lsp"
1364 amrwb_decoder_select="lsp"
1365 atrac1_decoder_select="mdct sinewin"
1366 atrac3_decoder_select="mdct"
1367 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1368 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1369 cavs_decoder_select="golomb"
1370 cook_decoder_select="mdct sinewin"
1371 cscd_decoder_suggest="zlib"
1372 dca_decoder_select="mdct"
1373 dnxhd_encoder_select="aandct"
1374 dxa_decoder_select="zlib"
1375 eac3_decoder_select="ac3_decoder"
1376 eac3_encoder_select="mdct ac3dsp"
1377 eamad_decoder_select="aandct"
1378 eatgq_decoder_select="aandct"
1379 eatqi_decoder_select="aandct"
1380 ffv1_decoder_select="golomb"
1381 flac_decoder_select="golomb"
1382 flac_encoder_select="golomb lpc"
1383 flashsv_decoder_select="zlib"
1384 flashsv_encoder_select="zlib"
1385 flashsv2_encoder_select="zlib"
1386 flashsv2_decoder_select="zlib"
1387 flv_decoder_select="h263_decoder"
1388 flv_encoder_select="h263_encoder"
1389 fraps_decoder_select="huffman"
1390 h261_encoder_select="aandct"
1391 h263_decoder_select="h263_parser"
1392 h263_encoder_select="aandct"
1393 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1394 h263i_decoder_select="h263_decoder"
1395 h263p_encoder_select="h263_encoder"
1396 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1397 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1398 h264_dxva2_hwaccel_deps="dxva2api_h"
1399 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1400 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1401 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1402 h264_vda_hwaccel_select="vda h264_decoder"
1403 h264_vdpau_decoder_select="vdpau h264_decoder"
1404 imc_decoder_select="fft mdct sinewin"
1405 jpegls_decoder_select="golomb"
1406 jpegls_encoder_select="golomb"
1407 ljpeg_encoder_select="aandct"
1408 loco_decoder_select="golomb"
1409 mjpeg_encoder_select="aandct"
1410 mlp_decoder_select="mlp_parser"
1411 mp1_decoder_select="mpegaudiodsp"
1412 mp1float_decoder_select="mpegaudiodsp"
1413 mp2_decoder_select="mpegaudiodsp"
1414 mp2float_decoder_select="mpegaudiodsp"
1415 mp3_decoder_select="mpegaudiodsp"
1416 mp3adu_decoder_select="mpegaudiodsp"
1417 mp3adufloat_decoder_select="mpegaudiodsp"
1418 mp3float_decoder_select="mpegaudiodsp"
1419 mp3on4_decoder_select="mpegaudiodsp"
1420 mp3on4float_decoder_select="mpegaudiodsp"
1421 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1422 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1423 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1424 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1425 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1426 mpeg1video_encoder_select="aandct"
1427 mpeg2_crystalhd_decoder_select="crystalhd"
1428 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1429 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1430 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1431 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1432 mpeg2video_encoder_select="aandct"
1433 mpeg4_crystalhd_decoder_select="crystalhd"
1434 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1435 mpeg4_encoder_select="h263_encoder"
1436 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1437 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1438 msmpeg4_crystalhd_decoder_select="crystalhd"
1439 msmpeg4v1_decoder_select="h263_decoder"
1440 msmpeg4v1_encoder_select="h263_encoder"
1441 msmpeg4v2_decoder_select="h263_decoder"
1442 msmpeg4v2_encoder_select="h263_encoder"
1443 msmpeg4v3_decoder_select="h263_decoder"
1444 msmpeg4v3_encoder_select="h263_encoder"
1445 nellymoser_decoder_select="mdct sinewin"
1446 nellymoser_encoder_select="mdct sinewin"
1447 png_decoder_select="zlib"
1448 png_encoder_select="zlib"
1449 qcelp_decoder_select="lsp"
1450 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1451 ra_144_encoder_select="lpc"
1452 rv10_decoder_select="h263_decoder"
1453 rv10_encoder_select="h263_encoder"
1454 rv20_decoder_select="h263_decoder"
1455 rv20_encoder_select="h263_encoder"
1456 rv30_decoder_select="golomb h264chroma h264pred"
1457 rv40_decoder_select="golomb h264chroma h264pred"
1458 shorten_decoder_select="golomb"
1459 sipr_decoder_select="lsp"
1460 snow_decoder_select="dwt"
1461 snow_encoder_select="aandct dwt"
1462 sonic_decoder_select="golomb"
1463 sonic_encoder_select="golomb"
1464 sonic_ls_encoder_select="golomb"
1465 svq1_encoder_select="aandct"
1466 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1467 svq3_decoder_suggest="zlib"
1468 theora_decoder_select="vp3_decoder"
1469 tiff_decoder_suggest="zlib"
1470 tiff_encoder_suggest="zlib"
1471 truehd_decoder_select="mlp_decoder"
1472 tscc_decoder_select="zlib"
1473 twinvq_decoder_select="mdct lsp sinewin"
1474 vc1_crystalhd_decoder_select="crystalhd"
1475 vc1_decoder_select="h263_decoder h264chroma"
1476 vc1_dxva2_hwaccel_deps="dxva2api_h"
1477 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1478 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1479 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1480 vc1image_decoder_select="vc1_decoder"
1481 vorbis_decoder_select="mdct"
1482 vorbis_encoder_select="mdct"
1483 vp6_decoder_select="huffman"
1484 vp6a_decoder_select="vp6_decoder"
1485 vp6f_decoder_select="vp6_decoder"
1486 vp8_decoder_select="h264pred"
1487 wmapro_decoder_select="mdct sinewin"
1488 wmav1_decoder_select="mdct sinewin"
1489 wmav1_encoder_select="mdct sinewin"
1490 wmav2_decoder_select="mdct sinewin"
1491 wmav2_encoder_select="mdct sinewin"
1492 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1493 wmv1_decoder_select="h263_decoder"
1494 wmv1_encoder_select="h263_encoder"
1495 wmv2_decoder_select="h263_decoder"
1496 wmv2_encoder_select="h263_encoder"
1497 wmv3_decoder_select="vc1_decoder"
1498 wmv3_crystalhd_decoder_select="crystalhd"
1499 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1500 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1501 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1502 wmv3image_decoder_select="wmv3_decoder"
1503 zlib_decoder_select="zlib"
1504 zlib_encoder_select="zlib"
1505 zmbv_decoder_select="zlib"
1506 zmbv_encoder_select="zlib"
1507
1508 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1509 vaapi_deps="va_va_h"
1510 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1511 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1512
1513 # parsers
1514 h264_parser_select="golomb h264chroma h264dsp h264pred"
1515
1516 # external libraries
1517 libaacplus_encoder_deps="libaacplus"
1518 libcelt_decoder_deps="libcelt"
1519 libdirac_decoder_deps="libdirac !libschroedinger"
1520 libdirac_encoder_deps="libdirac"
1521 libfaac_encoder_deps="libfaac"
1522 libgsm_decoder_deps="libgsm"
1523 libgsm_encoder_deps="libgsm"
1524 libgsm_ms_decoder_deps="libgsm"
1525 libgsm_ms_encoder_deps="libgsm"
1526 libmodplug_demuxer_deps="libmodplug"
1527 libmp3lame_encoder_deps="libmp3lame"
1528 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1529 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1530 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1531 libopenjpeg_decoder_deps="libopenjpeg"
1532 libopenjpeg_encoder_deps="libopenjpeg"
1533 libschroedinger_decoder_deps="libschroedinger"
1534 libschroedinger_encoder_deps="libschroedinger"
1535 libspeex_decoder_deps="libspeex"
1536 libspeex_encoder_deps="libspeex"
1537 libstagefright_h264_decoder_deps="libstagefright_h264"
1538 libtheora_encoder_deps="libtheora"
1539 libvo_aacenc_encoder_deps="libvo_aacenc"
1540 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1541 libvorbis_encoder_deps="libvorbis"
1542 libvpx_decoder_deps="libvpx"
1543 libvpx_encoder_deps="libvpx"
1544 libx264_encoder_deps="libx264"
1545 libx264rgb_encoder_deps="libx264"
1546 libxavs_encoder_deps="libxavs"
1547 libxvid_encoder_deps="libxvid"
1548 libutvideo_decoder_deps="libutvideo gpl"
1549
1550 # demuxers / muxers
1551 ac3_demuxer_select="ac3_parser"
1552 asf_stream_muxer_select="asf_muxer"
1553 avisynth_demuxer_deps="avisynth"
1554 dirac_demuxer_select="dirac_parser"
1555 eac3_demuxer_select="ac3_parser"
1556 flac_demuxer_select="flac_parser"
1557 ipod_muxer_select="mov_muxer"
1558 libnut_demuxer_deps="libnut"
1559 libnut_muxer_deps="libnut"
1560 matroska_audio_muxer_select="matroska_muxer"
1561 matroska_demuxer_suggest="zlib bzlib"
1562 mov_demuxer_suggest="zlib"
1563 mp3_demuxer_select="mpegaudio_parser"
1564 mp4_muxer_select="mov_muxer"
1565 mpegtsraw_demuxer_select="mpegts_demuxer"
1566 mxf_d10_muxer_select="mxf_muxer"
1567 ogg_demuxer_select="golomb"
1568 psp_muxer_select="mov_muxer"
1569 rtp_demuxer_select="sdp_demuxer"
1570 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1571 rtsp_demuxer_select="http_protocol rtpdec"
1572 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1573 sap_demuxer_select="sdp_demuxer"
1574 sap_muxer_select="rtp_muxer rtp_protocol"
1575 sdp_demuxer_select="rtpdec"
1576 spdif_muxer_select="aac_parser"
1577 tg2_muxer_select="mov_muxer"
1578 tgp_muxer_select="mov_muxer"
1579 w64_demuxer_deps="wav_demuxer"
1580
1581 # indevs / outdevs
1582 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1583 alsa_outdev_deps="alsa_asoundlib_h"
1584 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1585 dshow_indev_deps="IBaseFilter"
1586 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1587 dv1394_indev_deps="dv1394 dv_demuxer"
1588 fbdev_indev_deps="linux_fb_h"
1589 jack_indev_deps="jack_jack_h sem_timedwait"
1590 lavfi_indev_deps="avfilter"
1591 libcdio_indev_deps="libcdio"
1592 libdc1394_indev_deps="libdc1394"
1593 libv4l2_indev_deps="libv4l2"
1594 openal_indev_deps="openal"
1595 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1596 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1597 pulse_indev_deps="libpulse"
1598 sdl_outdev_deps="sdl"
1599 sndio_indev_deps="sndio_h"
1600 sndio_outdev_deps="sndio_h"
1601 v4l_indev_deps="linux_videodev_h"
1602 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1603 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1604 vfwcap_indev_extralibs="-lavicap32"
1605 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1606 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1607
1608 # protocols
1609 gopher_protocol_deps="network"
1610 httpproxy_protocol_deps="network"
1611 httpproxy_protocol_select="tcp_protocol"
1612 http_protocol_deps="network"
1613 http_protocol_select="tcp_protocol"
1614 https_protocol_select="tls_protocol"
1615 mmsh_protocol_select="http_protocol"
1616 mmst_protocol_deps="network"
1617 rtmp_protocol_select="tcp_protocol"
1618 rtp_protocol_select="udp_protocol"
1619 tcp_protocol_deps="network"
1620 tls_protocol_deps_any="openssl gnutls"
1621 tls_protocol_select="tcp_protocol"
1622 udp_protocol_deps="network"
1623
1624 # filters
1625 amovie_filter_deps="avcodec avformat"
1626 ass_filter_deps="libass"
1627 blackframe_filter_deps="gpl"
1628 boxblur_filter_deps="gpl"
1629 cropdetect_filter_deps="gpl"
1630 delogo_filter_deps="gpl"
1631 drawtext_filter_deps="libfreetype"
1632 frei0r_filter_deps="frei0r dlopen"
1633 frei0r_src_filter_deps="frei0r dlopen"
1634 hqdn3d_filter_deps="gpl"
1635 movie_filter_deps="avcodec avformat"
1636 mp_filter_deps="gpl avcodec"
1637 mptestsrc_filter_deps="gpl"
1638 negate_filter_deps="lut_filter"
1639 ocv_filter_deps="libopencv"
1640 scale_filter_deps="swscale"
1641 yadif_filter_deps="gpl"
1642
1643 # libraries
1644 avdevice_deps="avcodec avformat"
1645 avformat_deps="avcodec"
1646 postproc_deps="gpl"
1647
1648 # programs
1649 avconv_deps="avcodec avformat swscale"
1650 avconv_select="buffer_filter"
1651 ffplay_deps="avcodec avformat swscale sdl"
1652 ffplay_select="buffersink_filter rdft"
1653 ffprobe_deps="avcodec avformat"
1654 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1655 ffserver_extralibs='$ldl'
1656 ffmpeg_deps="avcodec avformat swscale swresample"
1657 ffmpeg_select="buffer_filter buffersink_filter"
1658
1659 doc_deps="texi2html"
1660
1661 # tests
1662
1663 test_deps(){
1664     suf1=$1
1665     suf2=$2
1666     shift 2
1667     for v; do
1668         dep=${v%=*}
1669         tests=${v#*=}
1670         for name in ${tests}; do
1671             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1672         done
1673     done
1674 }
1675
1676 mxf_d10_test_deps="avfilter"
1677 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1678
1679 test_deps _encoder _decoder                                             \
1680     adpcm_ima_qt                                                        \
1681     adpcm_ima_wav                                                       \
1682     adpcm_ms                                                            \
1683     adpcm_swf                                                           \
1684     adpcm_yamaha=adpcm_yam                                              \
1685     alac                                                                \
1686     asv1                                                                \
1687     asv2                                                                \
1688     bmp                                                                 \
1689     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1690     dvvideo="dv dv_411 dv50"                                            \
1691     ffv1                                                                \
1692     flac                                                                \
1693     flashsv                                                             \
1694     flv                                                                 \
1695     adpcm_g726=g726                                                     \
1696     gif                                                                 \
1697     h261                                                                \
1698     h263="h263 h263p"                                                   \
1699     huffyuv                                                             \
1700     jpegls                                                              \
1701     mjpeg="jpg mjpeg ljpeg"                                             \
1702     mp2                                                                 \
1703     mpeg1video="mpeg mpeg1b"                                            \
1704     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1705     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1706     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1707     mpeg4="mpeg4thread error rc"                                        \
1708     msmpeg4v3=msmpeg4                                                   \
1709     msmpeg4v2                                                           \
1710     pbm=pbmpipe                                                         \
1711     pcx                                                                 \
1712     pgm="pgm pgmpipe"                                                   \
1713     png                                                                 \
1714     ppm="ppm ppmpipe"                                                   \
1715     rawvideo="rgb yuv"                                                  \
1716     roq                                                                 \
1717     rv10                                                                \
1718     rv20                                                                \
1719     sgi                                                                 \
1720     snow="snow snowll"                                                  \
1721     svq1                                                                \
1722     targa=tga                                                           \
1723     tiff                                                                \
1724     wmav1                                                               \
1725     wmav2                                                               \
1726     wmv1                                                                \
1727     wmv2                                                                \
1728
1729 test_deps _muxer _demuxer                                               \
1730     aiff                                                                \
1731     pcm_alaw=alaw                                                       \
1732     asf                                                                 \
1733     au                                                                  \
1734     avi                                                                 \
1735     dv=dv_fmt                                                           \
1736     ffm                                                                 \
1737     flv=flv_fmt                                                         \
1738     gxf                                                                 \
1739     matroska=mkv                                                        \
1740     mmf                                                                 \
1741     mov                                                                 \
1742     pcm_mulaw=mulaw                                                     \
1743     mxf="mxf mxf_d10"                                                   \
1744     nut                                                                 \
1745     ogg                                                                 \
1746     rawvideo=pixfmt                                                     \
1747     rm                                                                  \
1748     swf                                                                 \
1749     mpegts=ts                                                           \
1750     voc                                                                 \
1751     wav                                                                 \
1752     yuv4mpegpipe=yuv4mpeg                                               \
1753
1754 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1755 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1756
1757 # default parameters
1758
1759 logfile="config.log"
1760
1761 # installation paths
1762 prefix_default="/usr/local"
1763 bindir_default='${prefix}/bin'
1764 datadir_default='${prefix}/share/ffmpeg'
1765 incdir_default='${prefix}/include'
1766 libdir_default='${prefix}/lib'
1767 mandir_default='${prefix}/share/man'
1768 shlibdir_default="$libdir_default"
1769
1770 # toolchain
1771 ar_default="ar"
1772 cc_default="gcc"
1773 cxx_default="g++"
1774 cc_version=\"unknown\"
1775 host_cc_default="gcc"
1776 install="install"
1777 ln_s="ln -sf"
1778 nm_default="nm"
1779 objformat="elf"
1780 pkg_config_default=pkg-config
1781 ranlib="ranlib"
1782 strip_default="strip"
1783 yasmexe="yasm"
1784
1785 nm_opts='-g'
1786 nogas=":"
1787
1788 # machine
1789 arch_default=$(uname -m)
1790 cpu="generic"
1791
1792 # OS
1793 target_os_default=$(tolower $(uname -s))
1794 host_os=$target_os_default
1795
1796 # configurable options
1797 enable $PROGRAM_LIST
1798
1799 enable avcodec
1800 enable avdevice
1801 enable avfilter
1802 enable avformat
1803 enable avutil
1804 enable postproc
1805 enable stripping
1806 enable swresample
1807 enable swscale
1808
1809 enable asm
1810 enable debug
1811 enable doc
1812 enable fastdiv
1813 enable network
1814 enable optimizations
1815 enable static
1816 enable swscale_alpha
1817
1818 # build settings
1819 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1820 FFSERVERLDFLAGS=-Wl,-E
1821 LIBPREF="lib"
1822 LIBSUF=".a"
1823 FULLNAME='$(NAME)$(BUILDSUF)'
1824 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1825 SLIBPREF="lib"
1826 SLIBSUF=".so"
1827 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1828 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1829 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1830 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1831 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1832 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1833
1834 AS_O='-o $@'
1835 CC_O='-o $@'
1836 CXX_O='-o $@'
1837
1838 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1839 host_libs='-lm'
1840
1841 target_path='$(CURDIR)'
1842
1843 # since the object filename is not given with the -MM flag, the compiler
1844 # is only able to print the basename, and we must add the path ourselves
1845 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1846 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1847
1848 # find source path
1849 if test -f configure; then
1850     source_path=.
1851 else
1852     source_path=$(cd $(dirname "$0"); pwd)
1853     echo "$source_path" | grep -q '[[:blank:]]' &&
1854         die "Out of tree builds are impossible with whitespace in source path."
1855     test -e "$source_path/config.h" &&
1856         die "Out of tree builds are impossible with config.h in source dir."
1857 fi
1858
1859 for v in "$@"; do
1860     r=${v#*=}
1861     l=${v%"$r"}
1862     r=$(sh_quote "$r")
1863     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1864 done
1865
1866 find_things(){
1867     thing=$1
1868     pattern=$2
1869     file=$source_path/$3
1870     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1871 }
1872
1873 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1874 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1875 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1876 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1877 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1878 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1879 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1880 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1881 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1882 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1883 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1884
1885 ALL_COMPONENTS="
1886     $BSF_LIST
1887     $DECODER_LIST
1888     $DEMUXER_LIST
1889     $ENCODER_LIST
1890     $FILTER_LIST
1891     $HWACCEL_LIST
1892     $INDEV_LIST
1893     $MUXER_LIST
1894     $OUTDEV_LIST
1895     $PARSER_LIST
1896     $PROTOCOL_LIST
1897 "
1898
1899 find_tests(){
1900     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1901 }
1902
1903 ACODEC_TESTS=$(find_tests acodec)
1904 VCODEC_TESTS=$(find_tests vsynth1)
1905 LAVF_TESTS=$(find_tests lavf)
1906 LAVFI_TESTS=$(find_tests lavfi)
1907 SEEK_TESTS=$(find_tests seek seek_)
1908
1909 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1910
1911 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1912
1913 for n in $COMPONENT_LIST; do
1914     v=$(toupper ${n%s})_LIST
1915     eval enable \$$v
1916     eval ${n}_if_any="\$$v"
1917 done
1918
1919 enable $ARCH_EXT_LIST $ALL_TESTS
1920
1921 die_unknown(){
1922     echo "Unknown option \"$1\"."
1923     echo "See $0 --help for available options."
1924     exit 1
1925 }
1926
1927 show_list() {
1928     suffix=_$1
1929     shift
1930     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1931     exit 0
1932 }
1933
1934 for opt do
1935     optval="${opt#*=}"
1936     case "$opt" in
1937     --extra-ldflags=*) add_ldflags $optval
1938     ;;
1939     --extra-libs=*) add_extralibs $optval
1940     ;;
1941     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1942     ;;
1943     --enable-debug=*) debuglevel="$optval"
1944     ;;
1945     --disable-everything)
1946     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1947     ;;
1948     --enable-*=*|--disable-*=*)
1949     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1950     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1951     eval list=\$$(toupper $thing)_LIST
1952     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1953     $action $(filter "$name" $list)
1954     ;;
1955     --enable-?*|--disable-?*)
1956     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1957     if is_in $option $COMPONENT_LIST; then
1958         test $action = disable && action=unset
1959         eval $action \$$(toupper ${option%s})_LIST
1960     elif is_in $option $CMDLINE_SELECT; then
1961         $action $option
1962     else
1963         die_unknown $opt
1964     fi
1965     ;;
1966     --list-*)
1967         NAME="${opt#--list-}"
1968         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1969         NAME=${NAME%s}
1970         eval show_list $NAME \$$(toupper $NAME)_LIST
1971     ;;
1972     --help|-h) show_help
1973     ;;
1974     *)
1975     optname="${opt%%=*}"
1976     optname="${optname#--}"
1977     optname=$(echo "$optname" | sed 's/-/_/g')
1978     if is_in $optname $CMDLINE_SET; then
1979         eval $optname='$optval'
1980     elif is_in $optname $CMDLINE_APPEND; then
1981         append $optname "$optval"
1982     else
1983          die_unknown $opt
1984     fi
1985     ;;
1986     esac
1987 done
1988
1989 disabled logging && logfile=/dev/null
1990
1991 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1992 set >> $logfile
1993
1994 test -n "$cross_prefix" && enable cross_compile
1995
1996 if enabled cross_compile; then
1997     test -n "$arch" && test -n "$target_os" ||
1998         die "Must specify target arch and OS when cross-compiling"
1999 fi
2000
2001 set_default arch target_os
2002
2003 ar_default="${cross_prefix}${ar_default}"
2004 cc_default="${cross_prefix}${cc_default}"
2005 cxx_default="${cross_prefix}${cxx_default}"
2006 nm_default="${cross_prefix}${nm_default}"
2007 pkg_config_default="${cross_prefix}${pkg_config_default}"
2008 ranlib="${cross_prefix}${ranlib}"
2009 strip_default="${cross_prefix}${strip_default}"
2010
2011 sysinclude_default="${sysroot}/usr/include"
2012
2013 set_default cc cxx nm pkg_config strip sysinclude
2014 enabled cross_compile || host_cc_default=$cc
2015 set_default host_cc
2016
2017 if ! $pkg_config --version >/dev/null 2>&1; then
2018     warn "$pkg_config not found, library detection may fail."
2019     pkg_config=false
2020 fi
2021
2022 exesuf() {
2023     case $1 in
2024         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2025     esac
2026 }
2027
2028 EXESUF=$(exesuf $target_os)
2029 HOSTEXESUF=$(exesuf $host_os)
2030
2031 # set temporary file name
2032 : ${TMPDIR:=$TEMPDIR}
2033 : ${TMPDIR:=$TMP}
2034 : ${TMPDIR:=/tmp}
2035
2036 if ! check_cmd mktemp -u XXXXXX; then
2037     # simple replacement for missing mktemp
2038     # NOT SAFE FOR GENERAL USE
2039     mktemp(){
2040         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2041     }
2042 fi
2043
2044 tmpfile(){
2045     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2046         (set -C; exec > $tmp) 2>/dev/null ||
2047         die "Unable to create temporary file in $TMPDIR."
2048     append TMPFILES $tmp
2049     eval $1=$tmp
2050 }
2051
2052 trap 'rm -f -- $TMPFILES' EXIT
2053
2054 tmpfile TMPASM .asm
2055 tmpfile TMPC   .c
2056 tmpfile TMPCPP .cpp
2057 tmpfile TMPE   $EXESUF
2058 tmpfile TMPH   .h
2059 tmpfile TMPO   .o
2060 tmpfile TMPS   .S
2061 tmpfile TMPSH  .sh
2062 tmpfile TMPV   .ver
2063
2064 unset -f mktemp
2065
2066 chmod +x $TMPE
2067
2068 # make sure we can execute files in $TMPDIR
2069 cat > $TMPSH 2>> $logfile <<EOF
2070 #! /bin/sh
2071 EOF
2072 chmod +x $TMPSH >> $logfile 2>&1
2073 if ! $TMPSH >> $logfile 2>&1; then
2074     cat <<EOF
2075 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2076 variable to another directory and make sure that it is not mounted noexec.
2077 EOF
2078     die "Sanity test failed."
2079 fi
2080
2081 filter_asflags=echo
2082 filter_cflags=echo
2083 filter_cppflags=echo
2084
2085 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2086     cc_type=llvm_gcc
2087     cc_version=__VERSION__
2088     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2089     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2090     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2091     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2092     speed_cflags='-O3'
2093     size_cflags='-Os'
2094 elif $cc -v 2>&1 | grep -qi ^gcc; then
2095     cc_type=gcc
2096     cc_version=__VERSION__
2097     gcc_version=$($cc --version | head -n1)
2098     gcc_basever=$($cc -dumpversion)
2099     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2100     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2101     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2102     if ! $cc -dumpversion | grep -q '^2\.'; then
2103         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2104         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2105     fi
2106     speed_cflags='-O3'
2107     size_cflags='-Os'
2108 elif $cc --version 2>/dev/null | grep -q Intel; then
2109     cc_type=icc
2110     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2111     cc_ident=$($cc --version | head -n1)
2112     icc_version=$($cc -dumpversion)
2113     CC_DEPFLAGS='-MMD'
2114     AS_DEPFLAGS='-MMD'
2115     speed_cflags='-O3'
2116     size_cflags='-Os'
2117     noopt_cflags='-O1'
2118 elif $cc -v 2>&1 | grep -q xlc; then
2119     cc_type=xlc
2120     cc_version="AV_STRINGIFY(__IBMC__)"
2121     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2122     speed_cflags='-O5'
2123     size_cflags='-O5 -qcompact'
2124 elif $cc -V 2>/dev/null | grep -q Compaq; then
2125     cc_type=ccc
2126     cc_version="AV_STRINGIFY(__DECC_VER)"
2127     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2128     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2129     debuglevel=3
2130     add_ldflags -Wl,-z,now # calls to libots crash without this
2131     speed_cflags='-fast'
2132     size_cflags='-O1'
2133 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2134     test -d "$sysroot" || die "No valid sysroot specified."
2135     cc_type=armcc
2136     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2137     cc_ident=$($cc --vsn | head -n1)
2138     armcc_conf="$PWD/armcc.conf"
2139     $cc --arm_linux_configure                 \
2140         --arm_linux_config_file="$armcc_conf" \
2141         --configure_sysroot="$sysroot"        \
2142         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2143         die "Error creating armcc configuration file."
2144     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2145     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2146     as_default="${cross_prefix}gcc"
2147     CC_DEPFLAGS='-MMD'
2148     AS_DEPFLAGS='-MMD'
2149     speed_cflags='-O3'
2150     size_cflags='-Os'
2151     filter_asflags="filter_out -W${armcc_opt}*"
2152 elif $cc -version 2>/dev/null | grep -q TMS470; then
2153     cc_type=tms470
2154     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2155     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2156     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2157     CC_O='-fr=$(@D)'
2158     as_default="${cross_prefix}gcc"
2159     ld_default="${cross_prefix}gcc"
2160     TMPO=$(basename $TMPC .c).o
2161     append TMPFILES $TMPO
2162     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2163     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2164     AS_DEPFLAGS='-MMD'
2165     speed_cflags='-O3 -mf=5'
2166     size_cflags='-O3 -mf=2'
2167     filter_cflags=tms470_flags
2168     tms470_flags(){
2169         for flag; do
2170             case $flag in
2171                 -march=*|-mcpu=*)
2172                     case "${flag#*=}" in
2173                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2174                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2175                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2176                         armv6*|arm11*)          echo -mv=6   ;;
2177                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2178                                                 echo -mv=5e  ;;
2179                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2180                     esac
2181                     ;;
2182                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2183                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2184                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2185                 -msoft-float)   echo --float_support=vfplib       ;;
2186                 -O[0-3]|-mf=*)  echo $flag                        ;;
2187                 -g)             echo -g -mn                       ;;
2188                 -pds=*)         echo $flag                        ;;
2189             esac
2190         done
2191     }
2192 elif $cc -v 2>&1 | grep -q clang; then
2193     cc_type=clang
2194     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2195         cc_version=__clang_version__ || cc_version=__VERSION__
2196     cc_ident=$($cc --version | head -n1)
2197     CC_DEPFLAGS='-MMD'
2198     AS_DEPFLAGS='-MMD'
2199     speed_cflags='-O3'
2200     size_cflags='-Os'
2201 elif $cc -V 2>&1 | grep -q Sun; then
2202     cc_type=suncc
2203     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2204     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2205     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2206     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2207     add_ldflags -xc99
2208     speed_cflags='-O5'
2209     size_cflags='-O5 -xspace'
2210     filter_cflags=suncc_flags
2211     suncc_flags(){
2212         for flag; do
2213             case $flag in
2214                 -march=*|-mcpu=*)
2215                     case "${flag#*=}" in
2216                         native)                   echo -xtarget=native       ;;
2217                         v9|niagara)               echo -xarch=sparc          ;;
2218                         ultrasparc)               echo -xarch=sparcvis       ;;
2219                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2220                         i586|pentium)             echo -xchip=pentium        ;;
2221                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2222                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2223                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2224                         pentium4*)          echo -xtarget=pentium4           ;;
2225                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2226                         *-sse3)             echo -xarch=sse3                 ;;
2227                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2228                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2229                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2230                         k8|opteron|athlon64|athlon-fx)
2231                                                   echo -xarch=sse2a          ;;
2232                         athlon*)                  echo -xarch=pentium_proa   ;;
2233                     esac
2234                     ;;
2235                 -std=c99)             echo -xc99              ;;
2236                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2237                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2238                 -W*,*)                echo $flag              ;;
2239                 -f*-*|-W*)                                    ;;
2240                 *)                    echo $flag              ;;
2241             esac
2242         done
2243     }
2244 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2245     cc_type=pathscale
2246     cc_version=__PATHSCALE__
2247     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2248     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2249     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2250     speed_cflags='-O2'
2251     size_cflags='-Os'
2252     filter_cflags='filter_out -Wdisabled-optimization'
2253 elif $cc -v 2>&1 | grep -q Open64; then
2254     cc_type=open64
2255     cc_version=__OPEN64__
2256     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2257     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2258     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2259     speed_cflags='-O2'
2260     size_cflags='-Os'
2261     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2262 fi
2263
2264 test -n "$cc_type" && enable $cc_type ||
2265     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2266
2267 : ${as_default:=$cc}
2268 : ${dep_cc_default:=$cc}
2269 : ${ld_default:=$cc}
2270 set_default ar as dep_cc ld
2271
2272 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2273 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2274 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2275
2276 add_cflags $extra_cflags
2277 add_cxxflags $extra_cxxflags
2278 add_asflags $extra_cflags
2279
2280 if test -n "$sysroot"; then
2281     case "$cc_type" in
2282         gcc|llvm_gcc|clang)
2283             add_cppflags --sysroot="$sysroot"
2284             add_ldflags --sysroot="$sysroot"
2285         ;;
2286         tms470)
2287             add_cppflags -I"$sysinclude"
2288             add_ldflags  --sysroot="$sysroot"
2289         ;;
2290     esac
2291 fi
2292
2293 if test "$cpu" = host; then
2294     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2295
2296     case "$cc_type" in
2297         gcc|llvm_gcc)
2298             check_native(){
2299                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2300                 sed -n "/cc1.*$1=/{
2301                             s/.*$1=\\([^ ]*\\).*/\\1/
2302                             p
2303                             q
2304                         }" $TMPE
2305             }
2306             cpu=$(check_native -march || check_native -mcpu)
2307         ;;
2308     esac
2309
2310     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2311 fi
2312
2313 # Deal with common $arch aliases
2314 case "$arch" in
2315     arm*)
2316         arch="arm"
2317     ;;
2318     mips|mipsel|IP*)
2319         arch="mips"
2320     ;;
2321     mips64*)
2322         arch="mips"
2323         subarch="mips64"
2324     ;;
2325     parisc|hppa)
2326         arch="parisc"
2327     ;;
2328     parisc64|hppa64)
2329         arch="parisc"
2330         subarch="parisc64"
2331     ;;
2332     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2333         arch="ppc"
2334     ;;
2335     s390|s390x)
2336         arch="s390"
2337     ;;
2338     sh4|sh)
2339         arch="sh4"
2340     ;;
2341     sun4u|sparc64)
2342         arch="sparc"
2343         subarch="sparc64"
2344     ;;
2345     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2346         arch="x86"
2347     ;;
2348 esac
2349
2350 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2351 enable $arch
2352
2353 # Add processor-specific flags
2354 if test "$cpu" = generic; then
2355     : do nothing
2356 elif enabled ppc; then
2357
2358     case $(tolower $cpu) in
2359         601|ppc601|powerpc601)
2360             cpuflags="-mcpu=601"
2361             disable altivec
2362         ;;
2363         603*|ppc603*|powerpc603*)
2364             cpuflags="-mcpu=603"
2365             disable altivec
2366         ;;
2367         604*|ppc604*|powerpc604*)
2368             cpuflags="-mcpu=604"
2369             disable altivec
2370         ;;
2371         g3|75*|ppc75*|powerpc75*)
2372             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2373             disable altivec
2374         ;;
2375         g4|745*|ppc745*|powerpc745*)
2376             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2377         ;;
2378         74*|ppc74*|powerpc74*)
2379             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2380         ;;
2381         g5|970|ppc970|powerpc970|power4*)
2382             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2383         ;;
2384         cell)
2385             cpuflags="-mcpu=cell"
2386             enable ldbrx
2387         ;;
2388         e500v2)
2389             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2390             disable altivec
2391         ;;
2392         e500)
2393             cpuflags="-mcpu=8540 -mhard-float"
2394             disable altivec
2395         ;;
2396     esac
2397
2398 elif enabled x86; then
2399
2400     case $cpu in
2401         i[345]86|pentium)
2402             cpuflags="-march=$cpu"
2403             disable mmx
2404         ;;
2405         # targets that do NOT support conditional mov (cmov)
2406         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2407             cpuflags="-march=$cpu"
2408             disable cmov
2409         ;;
2410         # targets that do support conditional mov (cmov)
2411         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2412             cpuflags="-march=$cpu"
2413             enable cmov
2414             enable fast_cmov
2415         ;;
2416         # targets that do support conditional mov but on which it's slow
2417         pentium4|pentium4m|prescott|nocona)
2418             cpuflags="-march=$cpu"
2419             enable cmov
2420             disable fast_cmov
2421         ;;
2422     esac
2423
2424 elif enabled sparc; then
2425
2426     case $cpu in
2427         niagara)
2428             cpuflags="-mcpu=$cpu"
2429             disable vis
2430         ;;
2431         sparc64)
2432             cpuflags="-mcpu=v9"
2433         ;;
2434     esac
2435
2436 elif enabled arm; then
2437
2438     case $cpu in
2439         armv*)
2440             cpuflags="-march=$cpu"
2441             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2442         ;;
2443         *)
2444             cpuflags="-mcpu=$cpu"
2445             case $cpu in
2446                 cortex-a*)                               subarch=armv7a  ;;
2447                 cortex-r*)                               subarch=armv7r  ;;
2448                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2449                 arm11*)                                  subarch=armv6   ;;
2450                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2451                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2452             esac
2453         ;;
2454     esac
2455
2456 elif enabled alpha; then
2457
2458     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2459
2460 elif enabled bfin; then
2461
2462     cpuflags="-mcpu=$cpu"
2463
2464 elif enabled mips; then
2465
2466     cpuflags="-march=$cpu"
2467
2468 elif enabled avr32; then
2469
2470     case $cpu in
2471         ap7[02]0[0-2])
2472             subarch="avr32_ap"
2473             cpuflags="-mpart=$cpu"
2474         ;;
2475         ap)
2476             subarch="avr32_ap"
2477             cpuflags="-march=$cpu"
2478         ;;
2479         uc3[ab]*)
2480             subarch="avr32_uc"
2481             cpuflags="-mcpu=$cpu"
2482         ;;
2483         uc)
2484             subarch="avr32_uc"
2485             cpuflags="-march=$cpu"
2486         ;;
2487     esac
2488
2489 fi
2490
2491 add_cflags $cpuflags
2492 add_asflags $cpuflags
2493
2494 # compiler sanity check
2495 check_exec <<EOF
2496 int main(void){ return 0; }
2497 EOF
2498 if test "$?" != 0; then
2499     echo "$cc is unable to create an executable file."
2500     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2501         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2502         echo "Only do this if you know what cross compiling means."
2503     fi
2504     die "C compiler test failed."
2505 fi
2506
2507 add_cppflags -D_ISOC99_SOURCE
2508 add_cxxflags -D__STDC_CONSTANT_MACROS
2509 check_cflags -std=c99
2510 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2511 #include <stdlib.h>
2512 EOF
2513 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2514 #include <stdlib.h>
2515 EOF
2516
2517 check_host_cflags -std=c99
2518 check_host_cflags -Wall
2519
2520 case "$arch" in
2521     alpha|ia64|mips|parisc|sparc)
2522         spic=$shared
2523     ;;
2524     x86)
2525         subarch="x86_32"
2526         check_cc <<EOF && subarch="x86_64"
2527         int test[(int)sizeof(char*) - 7];
2528 EOF
2529         if test "$subarch" = "x86_64"; then
2530             spic=$shared
2531         fi
2532     ;;
2533     ppc)
2534         check_cc <<EOF && subarch="ppc64"
2535         int test[(int)sizeof(char*) - 7];
2536 EOF
2537     ;;
2538 esac
2539
2540 enable $subarch
2541 enabled spic && enable pic
2542
2543 # OS specific
2544 case $target_os in
2545     haiku)
2546         prefix_default="/boot/common"
2547         network_extralibs="-lnetwork"
2548         host_libs=
2549         ;;
2550     sunos)
2551         FFSERVERLDFLAGS=""
2552         SHFLAGS='-shared -Wl,-h,$$(@F)'
2553         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2554         network_extralibs="-lsocket -lnsl"
2555         add_cppflags -D__EXTENSIONS__
2556         # When using suncc to build, the Solaris linker will mark
2557         # an executable with each instruction set encountered by
2558         # the Solaris assembler.  As our libraries contain their own
2559         # guards for processor-specific code, instead suppress
2560         # generation of the HWCAPS ELF section on Solaris x86 only.
2561         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2562         nm_opts='-P -g'
2563         ;;
2564     netbsd)
2565         disable symver
2566         oss_indev_extralibs="-lossaudio"
2567         oss_outdev_extralibs="-lossaudio"
2568         ;;
2569     openbsd)
2570         enable malloc_aligned
2571         # On OpenBSD 4.5. the compiler does not use PIC unless
2572         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2573         # however the generated executable will not do anything
2574         # (simply quits with exit-code 1, no crash, no output).
2575         # Thus explicitly enable PIC here.
2576         enable pic
2577         disable symver
2578         SHFLAGS='-shared'
2579         oss_indev_extralibs="-lossaudio"
2580         oss_outdev_extralibs="-lossaudio"
2581         ;;
2582     dragonfly)
2583         enable malloc_aligned
2584         disable symver
2585         ;;
2586     freebsd)
2587         enable malloc_aligned
2588         ;;
2589     bsd/os)
2590         add_extralibs -lpoll -lgnugetopt
2591         strip="strip -d"
2592         ;;
2593     darwin)
2594         enable malloc_aligned
2595         gas="gas-preprocessor.pl $cc"
2596         enabled ppc && add_asflags -force_cpusubtype_ALL
2597         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2598         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2599         strip="${strip} -x"
2600         add_ldflags -Wl,-dynamic,-search_paths_first
2601         SLIBSUF=".dylib"
2602         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2603         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2604         FFSERVERLDFLAGS=-Wl,-bind_at_load
2605         objformat="macho"
2606         enabled x86_64 && objformat="macho64"
2607         enabled_any pic shared ||
2608             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2609         ;;
2610     mingw32*)
2611         if test $target_os = "mingw32ce"; then
2612             disable network
2613         else
2614             target_os=mingw32
2615         fi
2616         LIBTARGET=i386
2617         if enabled x86_64; then
2618             enable malloc_aligned
2619             LIBTARGET=x64
2620         elif enabled arm; then
2621             LIBTARGET=arm-wince
2622         fi
2623         shlibdir_default="$bindir_default"
2624         SLIBPREF=""
2625         SLIBSUF=".dll"
2626         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2627         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2628         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2629         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2630         SLIB_INSTALL_LINKS=
2631         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2632         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2633         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'
2634         objformat="win32"
2635         enable dos_paths
2636         check_cflags -fno-common
2637         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2638                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2639                 die "ERROR: MinGW runtime version must be >= 3.15."
2640         add_cppflags -U__STRICT_ANSI__
2641         ;;
2642     cygwin*)
2643         target_os=cygwin
2644         shlibdir_default="$bindir_default"
2645         SLIBPREF="cyg"
2646         SLIBSUF=".dll"
2647         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2648         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2649         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2650         objformat="win32"
2651         enable dos_paths
2652         check_cflags -fno-common
2653         add_cppflags -U__STRICT_ANSI__
2654         ;;
2655     *-dos|freedos|opendos)
2656         network_extralibs="-lsocket"
2657         objformat="coff"
2658         enable dos_paths
2659         add_cppflags -U__STRICT_ANSI__
2660         ;;
2661     linux)
2662         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2663         enable dv1394
2664         ;;
2665     irix*)
2666         target_os=irix
2667         ranlib="echo ignoring ranlib"
2668         ;;
2669     os/2*)
2670         strip="lxlite -CS"
2671         ln_s="cp -f"
2672         objformat="aout"
2673         add_cppflags -D_GNU_SOURCE
2674         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2675         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2676         FFSERVERLDFLAGS=""
2677         LIBSUF="_s.a"
2678         SLIBPREF=""
2679         SLIBSUF=".dll"
2680         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2681         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2682         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2683           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2684           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2685           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2686           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2687           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2688         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2689           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2690         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2691         enable dos_paths
2692         enable_weak os2threads
2693         ;;
2694     gnu/kfreebsd)
2695         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2696         ;;
2697     gnu)
2698         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2699         ;;
2700     qnx)
2701         add_cppflags -D_QNX_SOURCE
2702         network_extralibs="-lsocket"
2703         ;;
2704     symbian)
2705         SLIBSUF=".dll"
2706         enable dos_paths
2707         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2708         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2709         add_ldflags -Wl,--target1-abs,--no-undefined \
2710                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2711                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2712         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2713                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2714                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2715         ;;
2716     none)
2717         ;;
2718     *)
2719         die "Unknown OS '$target_os'."
2720         ;;
2721 esac
2722
2723 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2724
2725 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2726
2727 set_default $PATHS_LIST
2728
2729 # we need to build at least one lib type
2730 if ! enabled_any static shared; then
2731     cat <<EOF
2732 At least one library type must be built.
2733 Specify --enable-static to build the static libraries or --enable-shared to
2734 build the shared libraries as well. To only build the shared libraries specify
2735 --disable-static in addition to --enable-shared.
2736 EOF
2737     exit 1;
2738 fi
2739
2740 die_license_disabled() {
2741     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2742 }
2743
2744 die_license_disabled gpl libcdio
2745 die_license_disabled gpl libx264
2746 die_license_disabled gpl libxavs
2747 die_license_disabled gpl libxvid
2748 die_license_disabled gpl x11grab
2749
2750 die_license_disabled nonfree libaacplus
2751 die_license_disabled nonfree libfaac
2752 die_license_disabled nonfree openssl
2753
2754 die_license_disabled version3 libopencore_amrnb
2755 die_license_disabled version3 libopencore_amrwb
2756 die_license_disabled version3 libvo_aacenc
2757 die_license_disabled version3 libvo_amrwbenc
2758
2759 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2760
2761 disabled optimizations || check_cflags -fomit-frame-pointer
2762
2763 enable_pic() {
2764     enable pic
2765     add_cppflags -DPIC
2766     add_cflags   -fPIC
2767     add_asflags  -fPIC
2768 }
2769
2770 enabled pic && enable_pic
2771
2772 check_cc <<EOF || die "Symbol mangling check failed."
2773 int ff_extern;
2774 EOF
2775 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2776 extern_prefix=${sym%%ff_extern*}
2777
2778 check_cc <<EOF && enable inline_asm
2779 void foo(void) { __asm__ volatile ("" ::); }
2780 EOF
2781
2782 _restrict=
2783 for restrict_keyword in restrict __restrict__ __restrict; do
2784     check_cc <<EOF && _restrict=$restrict_keyword && break
2785 void foo(char * $restrict_keyword p);
2786 EOF
2787 done
2788
2789 check_cc <<EOF && enable attribute_packed
2790 struct { int x; } __attribute__((packed)) x;
2791 EOF
2792
2793 check_cc <<EOF && enable attribute_may_alias
2794 union { int x; } __attribute__((may_alias)) x;
2795 EOF
2796
2797 check_cc <<EOF || die "endian test failed"
2798 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2799 EOF
2800 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2801
2802 if enabled alpha; then
2803
2804     check_cflags -mieee
2805
2806 elif enabled arm; then
2807
2808     enabled thumb && check_cflags -mthumb || check_cflags -marm
2809     nogas=die
2810
2811     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2812         enable vfp_args
2813     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2814         case "${cross_prefix:-$cc}" in
2815             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2816             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2817 __asm__ (".eabi_attribute 28, 1");
2818 int main(void) { return 0; }
2819 EOF
2820         esac
2821         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2822     fi
2823
2824     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2825     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2826     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2827     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2828     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2829     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2830     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2831
2832     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2833
2834     enabled_all armv6t2 shared !pic && enable_pic
2835
2836 elif enabled mips; then
2837
2838     check_asm loongson '"dmult.g $1, $2, $3"'
2839     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2840
2841 elif enabled ppc; then
2842
2843     enable local_aligned_8 local_aligned_16
2844
2845     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2846     check_asm ibm_asm   '"add 0, 0, 0"'
2847     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2848     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2849
2850     # AltiVec flags: The FSF version of GCC differs from the Apple version
2851     if enabled altivec; then
2852         nogas=warn
2853         check_cflags -maltivec -mabi=altivec &&
2854         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2855         check_cflags -faltivec
2856
2857         # check if our compiler supports Motorola AltiVec C API
2858         check_cc <<EOF || disable altivec
2859 $inc_altivec_h
2860 int main(void) {
2861     vector signed int v1, v2, v3;
2862     v1 = vec_add(v2,v3);
2863     return 0;
2864 }
2865 EOF
2866
2867         # check if our compiler supports braces for vector declarations
2868         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2869 $inc_altivec_h
2870 int main (void) { (vector int) {1}; return 0; }
2871 EOF
2872     fi
2873
2874 elif enabled sparc; then
2875
2876     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2877         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2878
2879 elif enabled x86; then
2880
2881     enable local_aligned_8 local_aligned_16
2882
2883     # check whether EBP is available on x86
2884     # As 'i' is stored on the stack, this program will crash
2885     # if the base pointer is used to access it because the
2886     # base pointer is cleared in the inline assembly code.
2887     check_exec_crash <<EOF && enable ebp_available
2888     volatile int i=0;
2889     __asm__ volatile (
2890         "xorl %%ebp, %%ebp"
2891     ::: "%ebp");
2892     return i;
2893 EOF
2894
2895     # check whether EBX is available on x86
2896     check_asm ebx_available '""::"b"(0)' &&
2897         check_asm ebx_available '"":::"%ebx"'
2898
2899     # check whether xmm clobbers are supported
2900     check_asm xmm_clobbers '"":::"%xmm0"'
2901
2902     # check whether binutils is new enough to compile SSSE3/MMX2
2903     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2904     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2905
2906     if ! disabled_any asm mmx yasm; then
2907         if check_cmd $yasmexe --version; then
2908             enabled x86_64 && yasm_extra="-m amd64"
2909             yasm_debug="-g dwarf2"
2910         elif check_cmd nasm -v; then
2911             yasmexe=nasm
2912             yasm_debug="-g -F dwarf"
2913             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2914         fi
2915
2916         YASMFLAGS="-f $objformat $yasm_extra"
2917         enabled pic               && append YASMFLAGS "-DPIC"
2918         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2919         case "$objformat" in
2920             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2921         esac
2922
2923         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2924             die "yasm not found, use --disable-yasm for a crippled build"
2925         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2926     fi
2927
2928     case "$cpu" in
2929         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2930             disable fast_clz
2931         ;;
2932     esac
2933
2934 fi
2935
2936 if enabled asm; then
2937     as=${gas:=$as}
2938     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2939         $nogas "GNU assembler not found, install gas-preprocessor"
2940 fi
2941
2942 check_ldflags -Wl,--as-needed
2943
2944 if check_func dlopen; then
2945     ldl=
2946 elif check_func dlopen -ldl; then
2947     ldl=-ldl
2948 fi
2949
2950 if enabled network; then
2951     check_type "sys/types.h sys/socket.h" socklen_t
2952     check_type netdb.h "struct addrinfo"
2953     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2954     check_type netinet/in.h "struct sockaddr_in6"
2955     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2956     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2957     # Prefer arpa/inet.h over winsock2
2958     if check_header arpa/inet.h ; then
2959         check_func closesocket
2960     elif check_header winsock2.h ; then
2961         check_func_headers winsock2.h closesocket -lws2 && \
2962             network_extralibs="-lws2" || \
2963         { check_func_headers winsock2.h closesocket -lws2_32 && \
2964             network_extralibs="-lws2_32"; }
2965         check_type ws2tcpip.h socklen_t
2966         check_type ws2tcpip.h "struct addrinfo"
2967         check_type ws2tcpip.h "struct ipv6_mreq"
2968         check_type ws2tcpip.h "struct sockaddr_in6"
2969         check_type ws2tcpip.h "struct sockaddr_storage"
2970         check_struct winsock2.h "struct sockaddr" sa_len
2971     else
2972         disable network
2973     fi
2974 fi
2975
2976 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2977 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2978
2979 check_func  fcntl
2980 check_func  fork
2981 check_func  getaddrinfo $network_extralibs
2982 check_func  gethrtime
2983 check_func  getrusage
2984 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2985 check_func  inet_aton $network_extralibs
2986 check_func  isatty
2987 check_func  localtime_r
2988 check_func  ${malloc_prefix}memalign            && enable memalign
2989 check_func  mkstemp
2990 check_func  mmap
2991 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2992 check_func  setrlimit
2993 check_func  strerror_r
2994 check_func  strptime
2995 check_func_headers conio.h kbhit
2996 check_func_headers windows.h PeekNamedPipe
2997 check_func_headers io.h setmode
2998 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2999 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3000 check_func_headers windows.h GetProcessTimes
3001 check_func_headers windows.h MapViewOfFile
3002 check_func_headers windows.h VirtualAlloc
3003
3004 check_header dlfcn.h
3005 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3006 check_header libcrystalhd/libcrystalhd_if.h
3007 check_header malloc.h
3008 check_header poll.h
3009 check_header sys/mman.h
3010 check_header sys/resource.h
3011 check_header sys/select.h
3012 check_header termios.h
3013 check_header vdpau/vdpau.h
3014 check_header vdpau/vdpau_x11.h
3015 check_header X11/extensions/XvMClib.h
3016 check_header asm/types.h
3017
3018 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3019 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3020
3021 # check for VDA header
3022 if ! disabled vda; then
3023     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3024         enable vda
3025         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3026     fi
3027 fi
3028
3029 if ! disabled w32threads && ! enabled pthreads; then
3030     check_func _beginthreadex && enable w32threads
3031 fi
3032
3033 # check for some common methods of building with pthread support
3034 # do this before the optional library checks as some of them require pthreads
3035 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3036     enable pthreads
3037     if check_func pthread_create; then
3038         :
3039     elif check_func pthread_create -pthread; then
3040         add_cflags -pthread
3041         add_extralibs -pthread
3042     elif check_func pthread_create -pthreads; then
3043         add_cflags -pthreads
3044         add_extralibs -pthreads
3045     elif check_func pthread_create -lpthreadGC2; then
3046         add_extralibs -lpthreadGC2
3047     elif ! check_lib pthread.h pthread_create -lpthread; then
3048         disable pthreads
3049     fi
3050 fi
3051
3052 for thread in $THREADS_LIST; do
3053     if enabled $thread; then
3054         test -n "$thread_type" &&
3055             die "ERROR: Only one thread type must be selected." ||
3056             thread_type="$thread"
3057     fi
3058 done
3059
3060 check_lib math.h sin -lm && LIBM="-lm"
3061 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3062 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3063
3064 check_mathfunc cbrtf
3065 check_mathfunc exp2
3066 check_mathfunc exp2f
3067 check_mathfunc llrint
3068 check_mathfunc llrintf
3069 check_mathfunc log2
3070 check_mathfunc log2f
3071 check_mathfunc lrint
3072 check_mathfunc lrintf
3073 check_mathfunc round
3074 check_mathfunc roundf
3075 check_mathfunc trunc
3076 check_mathfunc truncf
3077
3078 # these are off by default, so fail if requested and not available
3079 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3080 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3081 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3082 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3083 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3084 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0
3085 enabled libdc1394  && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
3086 enabled libdirac   && require_pkg_config dirac                          \
3087     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
3088     "dirac_decoder_init dirac_encoder_init"
3089 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3090 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3091 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3092 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3093 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3094 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3095 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3096 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3097 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3098 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3099 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3100 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3101 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3102 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3103 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3104     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3105     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3106 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3107 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3108 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3109 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3110 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3111 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3112 enabled libvpx     && {
3113     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3114                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3115     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3116                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3117 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3118                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3119                         die "ERROR: libx264 version must be >= 0.118."; }
3120 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3121 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3122 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3123                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3124                         die "ERROR: openal not found"; } &&
3125                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3126                         die "ERROR: openal version must be 1.1 or compatible"; }
3127 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
3128 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3129                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3130                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3131                         die "ERROR: openssl not found"; }
3132
3133 SDL_CONFIG="${cross_prefix}sdl-config"
3134 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3135     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3136     enable sdl &&
3137     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3138 else
3139   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3140     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3141     sdl_libs=$("${SDL_CONFIG}" --libs)
3142     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3143     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3144     enable sdl &&
3145     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3146   fi
3147 fi
3148 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3149
3150 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3151
3152 check_header linux/fb.h
3153 check_header linux/videodev.h
3154 check_header linux/videodev2.h
3155 check_header sys/videoio.h
3156
3157 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3158 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3159 # w32api 3.12 had it defined wrong
3160 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3161
3162 check_type "dshow.h" IBaseFilter
3163
3164 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3165 { check_header dev/bktr/ioctl_meteor.h &&
3166   check_header dev/bktr/ioctl_bt848.h; } ||
3167 { check_header machine/ioctl_meteor.h &&
3168   check_header machine/ioctl_bt848.h; } ||
3169 { check_header dev/video/meteor/ioctl_meteor.h &&
3170   check_header dev/video/bktr/ioctl_bt848.h; } ||
3171 check_header dev/ic/bt8xx.h
3172
3173 check_header sndio.h
3174 if check_struct sys/soundcard.h audio_buf_info bytes; then
3175     enable_safe sys/soundcard.h
3176 else
3177     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3178     #include <sys/soundcard.h>
3179     audio_buf_info abc;
3180 EOF
3181 fi
3182 check_header soundcard.h
3183
3184 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3185
3186 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3187
3188 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3189
3190 enabled libcdio &&
3191     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3192
3193 enabled x11grab                         &&
3194 check_header X11/Xlib.h                 &&
3195 check_header X11/extensions/XShm.h      &&
3196 check_header X11/extensions/Xfixes.h    &&
3197 check_func XOpenDisplay -lX11           &&
3198 check_func XShmCreateImage -lX11 -lXext &&
3199 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3200
3201 if ! disabled vaapi; then
3202     check_lib va/va.h vaInitialize -lva && {
3203         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3204         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3205     } || disable vaapi
3206 fi
3207
3208 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3209 check_cpp_condition \
3210     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3211     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3212       disable vdpau; }
3213 fi
3214
3215 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3216 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3217
3218 # add some useful compiler flags if supported
3219 check_cflags -Wdeclaration-after-statement
3220 check_cflags -Wall
3221 check_cflags -Wno-parentheses
3222 check_cflags -Wno-switch
3223 check_cflags -Wno-format-zero-length
3224 check_cflags -Wdisabled-optimization
3225 check_cflags -Wpointer-arith
3226 check_cflags -Wredundant-decls
3227 check_cflags -Wno-pointer-sign
3228 check_cflags -Wcast-qual
3229 check_cflags -Wwrite-strings
3230 check_cflags -Wtype-limits
3231 check_cflags -Wundef
3232 check_cflags -Wmissing-prototypes
3233 check_cflags -Wno-pointer-to-int-cast
3234 check_cflags -Wstrict-prototypes
3235 enabled extra_warnings && check_cflags -Winline
3236
3237 # add some linker flags
3238 check_ldflags -Wl,--warn-common
3239 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3240 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3241
3242 echo "X{};" > $TMPV
3243 if test_ldflags -Wl,--version-script,$TMPV; then
3244     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3245     check_cc <<EOF && enable symver_asm_label
3246 void ff_foo(void) __asm__ ("av_foo@VERSION");
3247 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3248 EOF
3249     check_cc <<EOF && enable symver_gnu_asm
3250 __asm__(".symver ff_foo,av_foo@VERSION");
3251 void ff_foo(void) {}
3252 EOF
3253 fi
3254
3255 if [ -n "$optflags" ]; then
3256     add_cflags $optflags
3257 elif enabled small; then
3258     add_cflags $size_cflags
3259 elif enabled optimizations; then
3260     add_cflags $speed_cflags
3261 else
3262     add_cflags $noopt_cflags
3263 fi
3264 check_cflags -fno-math-errno
3265 check_cflags -fno-signed-zeros
3266 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3267 int x;
3268 EOF
3269
3270
3271 if enabled icc; then
3272     # Just warnings, no remarks
3273     check_cflags -w1
3274     # -wd: Disable following warnings
3275     # 144, 167, 556: -Wno-pointer-sign
3276     # 1292: attribute "foo" ignored
3277     # 10006: ignoring unknown option -fno-signed-zeros
3278     # 10148: ignoring unknown option -Wno-parentheses
3279     # 10156: ignoring option '-W'; no argument required
3280     check_cflags -wd144,167,556,1292,10006,10148,10156
3281     # 11030: Warning unknown option --as-needed
3282     # 10156: ignoring option '-export'; no argument required
3283     check_ldflags -wd10156,11030
3284     # Allow to compile with optimizations
3285     check_ldflags -march=$cpu
3286     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3287     enable ebp_available
3288     if enabled x86_32; then
3289         test ${icc_version%%.*} -ge 11 && \
3290             check_cflags -falign-stack=maintain-16-byte || \
3291             disable aligned_stack
3292     fi
3293 elif enabled ccc; then
3294     # disable some annoying warnings
3295     add_cflags -msg_disable cvtu32to64
3296     add_cflags -msg_disable embedcomment
3297     add_cflags -msg_disable needconstext
3298     add_cflags -msg_disable nomainieee
3299     add_cflags -msg_disable ptrmismatch1
3300     add_cflags -msg_disable unreachcode
3301 elif enabled gcc; then
3302     check_cflags -fno-tree-vectorize
3303     check_cflags -Werror=implicit-function-declaration
3304     check_cflags -Werror=missing-prototypes
3305 elif enabled llvm_gcc; then
3306     check_cflags -mllvm -stack-alignment=16
3307 elif enabled clang; then
3308     check_cflags -mllvm -stack-alignment=16
3309     check_cflags -Qunused-arguments
3310 elif enabled armcc; then
3311     # 2523: use of inline assembler is deprecated
3312     add_cflags -W${armcc_opt},--diag_suppress=2523
3313     add_cflags -W${armcc_opt},--diag_suppress=1207
3314     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3315     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3316     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3317     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3318 elif enabled tms470; then
3319     add_cflags -pds=824 -pds=837
3320 elif enabled pathscale; then
3321     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3322 fi
3323
3324 enabled_any $THREADS_LIST      && enable threads
3325
3326 check_deps $CONFIG_LIST       \
3327            $CONFIG_EXTRA      \
3328            $HAVE_LIST         \
3329            $ALL_COMPONENTS    \
3330            $ALL_TESTS         \
3331
3332 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3333
3334 if test $target_os = "haiku"; then
3335     disable memalign
3336     disable posix_memalign
3337 fi
3338
3339 ! enabled_any memalign posix_memalign malloc_aligned &&
3340     enabled_any $need_memalign && enable memalign_hack
3341
3342 echo "install prefix            $prefix"
3343 echo "source path               $source_path"
3344 echo "C compiler                $cc"
3345 echo "ARCH                      $arch ($cpu)"
3346 if test "$build_suffix" != ""; then
3347     echo "build suffix              $build_suffix"
3348 fi
3349 if test "$progs_suffix" != ""; then
3350     echo "progs suffix              $progs_suffix"
3351 fi
3352 if test "$extra_version" != ""; then
3353     echo "version string suffix     $extra_version"
3354 fi
3355 echo "big-endian                ${bigendian-no}"
3356 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3357 if enabled x86; then
3358     echo "${yasmexe}                      ${yasm-no}"
3359     echo "MMX enabled               ${mmx-no}"
3360     echo "MMX2 enabled              ${mmx2-no}"
3361     echo "3DNow! enabled            ${amd3dnow-no}"
3362     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3363     echo "SSE enabled               ${sse-no}"
3364     echo "SSSE3 enabled             ${ssse3-no}"
3365     echo "AVX enabled               ${avx-no}"
3366     echo "CMOV enabled              ${cmov-no}"
3367     echo "CMOV is fast              ${fast_cmov-no}"
3368     echo "EBX available             ${ebx_available-no}"
3369     echo "EBP available             ${ebp_available-no}"
3370 fi
3371 if enabled arm; then
3372     echo "ARMv5TE enabled           ${armv5te-no}"
3373     echo "ARMv6 enabled             ${armv6-no}"
3374     echo "ARMv6T2 enabled           ${armv6t2-no}"
3375     echo "ARM VFP enabled           ${armvfp-no}"
3376     echo "IWMMXT enabled            ${iwmmxt-no}"
3377     echo "NEON enabled              ${neon-no}"
3378 fi
3379 if enabled mips; then
3380     echo "MMI enabled               ${mmi-no}"
3381 fi
3382 if enabled ppc; then
3383     echo "AltiVec enabled           ${altivec-no}"
3384     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3385     echo "dcbzl available           ${dcbzl-no}"
3386 fi
3387 if enabled sparc; then
3388     echo "VIS enabled               ${vis-no}"
3389 fi
3390 echo "debug symbols             ${debug-no}"
3391 echo "strip symbols             ${stripping-no}"
3392 echo "optimize for size         ${small-no}"
3393 echo "optimizations             ${optimizations-no}"
3394 echo "static                    ${static-no}"
3395 echo "shared                    ${shared-no}"
3396 echo "postprocessing support    ${postproc-no}"
3397 echo "new filter support        ${avfilter-no}"
3398 echo "network support           ${network-no}"
3399 echo "threading support         ${thread_type-no}"
3400 echo "SDL support               ${sdl-no}"
3401 echo "Sun medialib support      ${mlib-no}"
3402 echo "libdxva2 enabled          ${dxva2-no}"
3403 echo "libva enabled             ${vaapi-no}"
3404 echo "libvdpau enabled          ${vdpau-no}"
3405 echo "AVISynth enabled          ${avisynth-no}"
3406 echo "frei0r enabled            ${frei0r-no}"
3407 echo "gnutls enabled            ${gnutls-no}"
3408 echo "libaacplus enabled        ${libaacplus-no}"
3409 echo "libass enabled            ${libass-no}"
3410 echo "libcdio support           ${libcdio-no}"
3411 echo "libcelt enabled           ${libcelt-no}"
3412 echo "libdc1394 support         ${libdc1394-no}"
3413 echo "libdirac enabled          ${libdirac-no}"
3414 echo "libfaac enabled           ${libfaac-no}"
3415 echo "libgsm enabled            ${libgsm-no}"
3416 echo "libmodplug enabled        ${libmodplug-no}"
3417 echo "libmp3lame enabled        ${libmp3lame-no}"
3418 echo "libnut enabled            ${libnut-no}"
3419 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3420 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3421 echo "libopencv support         ${libopencv-no}"
3422 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3423 echo "libpulse enabled          ${libpulse-no}"
3424 echo "librtmp enabled           ${librtmp-no}"
3425 echo "libschroedinger enabled   ${libschroedinger-no}"
3426 echo "libspeex enabled          ${libspeex-no}"
3427 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3428 echo "libtheora enabled         ${libtheora-no}"
3429 echo "libutvideo enabled        ${libutvideo-no}"
3430 echo "libv4l2 enabled           ${libv4l2-no}"
3431 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3432 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3433 echo "libvorbis enabled         ${libvorbis-no}"
3434 echo "libvpx enabled            ${libvpx-no}"
3435 echo "libx264 enabled           ${libx264-no}"
3436 echo "libxavs enabled           ${libxavs-no}"
3437 echo "libxvid enabled           ${libxvid-no}"
3438 echo "openal enabled            ${openal-no}"
3439 echo "openssl enabled           ${openssl-no}"
3440 echo "zlib enabled              ${zlib-no}"
3441 echo "bzlib enabled             ${bzlib-no}"
3442 echo
3443
3444 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3445     echo "Enabled ${type}s:"
3446     eval list=\$$(toupper $type)_LIST
3447     print_enabled '_*' $list | sort | pr -r -3 -t
3448     echo
3449 done
3450
3451 license="LGPL version 2.1 or later"
3452 if enabled nonfree; then
3453     license="nonfree and unredistributable"
3454 elif enabled gplv3; then
3455     license="GPL version 3 or later"
3456 elif enabled lgplv3; then
3457     license="LGPL version 3 or later"
3458 elif enabled gpl; then
3459     license="GPL version 2 or later"
3460 fi
3461
3462 echo "License: $license"
3463
3464 echo "Creating config.mak and config.h..."
3465
3466 test -e Makefile || $ln_s "$source_path/Makefile" .
3467
3468 enabled stripping || strip="echo skipping strip"
3469
3470 config_files="$TMPH config.mak"
3471
3472 cat > config.mak <<EOF
3473 # Automatically generated by configure - do not modify!
3474 ifndef FFMPEG_CONFIG_MAK
3475 FFMPEG_CONFIG_MAK=1
3476 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3477 prefix=$prefix
3478 LIBDIR=\$(DESTDIR)$libdir
3479 SHLIBDIR=\$(DESTDIR)$shlibdir
3480 INCDIR=\$(DESTDIR)$incdir
3481 BINDIR=\$(DESTDIR)$bindir
3482 DATADIR=\$(DESTDIR)$datadir
3483 MANDIR=\$(DESTDIR)$mandir
3484 SRC_PATH=$source_path
3485 ifndef MAIN_MAKEFILE
3486 SRC_PATH:=\$(SRC_PATH:.%=..%)
3487 endif
3488 CC_IDENT=$cc_ident
3489 ARCH=$arch
3490 CC=$cc
3491 CXX=$cxx
3492 AS=$as
3493 LD=$ld
3494 DEPCC=$dep_cc
3495 YASM=$yasmexe
3496 YASMDEP=$yasmexe
3497 AR=$ar
3498 RANLIB=$ranlib
3499 CP=cp -p
3500 LN_S=$ln_s
3501 STRIP=$strip
3502 CPPFLAGS=$CPPFLAGS
3503 CFLAGS=$CFLAGS
3504 CXXFLAGS=$CXXFLAGS
3505 ASFLAGS=$ASFLAGS
3506 AS_O=$CC_O
3507 CC_O=$CC_O
3508 CXX_O=$CXX_O
3509 LDFLAGS=$LDFLAGS
3510 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3511 SHFLAGS=$SHFLAGS
3512 YASMFLAGS=$YASMFLAGS
3513 BUILDSUF=$build_suffix
3514 PROGSSUF=$progs_suffix
3515 FULLNAME=$FULLNAME
3516 LIBPREF=$LIBPREF
3517 LIBSUF=$LIBSUF
3518 LIBNAME=$LIBNAME
3519 SLIBPREF=$SLIBPREF
3520 SLIBSUF=$SLIBSUF
3521 EXESUF=$EXESUF
3522 EXTRA_VERSION=$extra_version
3523 DEPFLAGS=$DEPFLAGS
3524 CCDEP=$CCDEP
3525 CXXDEP=$CXXDEP
3526 ASDEP=$ASDEP
3527 CC_DEPFLAGS=$CC_DEPFLAGS
3528 AS_DEPFLAGS=$AS_DEPFLAGS
3529 HOSTCC=$host_cc
3530 HOSTCFLAGS=$host_cflags
3531 HOSTEXESUF=$HOSTEXESUF
3532 HOSTLDFLAGS=$host_ldflags
3533 HOSTLIBS=$host_libs
3534 TARGET_EXEC=$target_exec
3535 TARGET_PATH=$target_path
3536 SDL_LIBS=$sdl_libs
3537 SDL_CFLAGS=$sdl_cflags
3538 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3539 EXTRALIBS=$extralibs
3540 INSTALL=$install
3541 LIBTARGET=${LIBTARGET}
3542 SLIBNAME=${SLIBNAME}
3543 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3544 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3545 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3546 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3547 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3548 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3549 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3550 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3551 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3552 NOREDZONE_FLAGS=$noredzone_flags
3553 EOF
3554
3555 get_version(){
3556     name=$1
3557     file=$source_path/$2
3558     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3559     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3560     lcname=$(tolower $name)
3561     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3562     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3563 }
3564
3565 get_version LIBAVCODEC  libavcodec/version.h
3566 get_version LIBAVDEVICE libavdevice/avdevice.h
3567 get_version LIBAVFILTER libavfilter/avfilter.h
3568 get_version LIBAVFORMAT libavformat/version.h
3569 get_version LIBAVUTIL   libavutil/avutil.h
3570 get_version LIBPOSTPROC libpostproc/postprocess.h
3571 get_version LIBSWRESAMPLE libswresample/swresample.h
3572 get_version LIBSWSCALE  libswscale/swscale.h
3573
3574 cat > $TMPH <<EOF
3575 /* Automatically generated by configure - do not modify! */
3576 #ifndef FFMPEG_CONFIG_H
3577 #define FFMPEG_CONFIG_H
3578 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3579 #define FFMPEG_LICENSE "$(c_escape $license)"
3580 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3581 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3582 #define CC_TYPE "$cc_type"
3583 #define CC_VERSION $cc_version
3584 #define restrict $_restrict
3585 #define EXTERN_PREFIX "${extern_prefix}"
3586 #define EXTERN_ASM ${extern_prefix}
3587 #define SLIBSUF "$SLIBSUF"
3588 EOF
3589
3590 test -n "$malloc_prefix" &&
3591     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3592
3593 if enabled small || disabled optimizations; then
3594     echo "#undef  av_always_inline"  >> $TMPH
3595     if enabled small; then
3596         echo "#define av_always_inline inline"  >> $TMPH
3597     else
3598         echo "#define av_always_inline av_unused"  >> $TMPH
3599     fi
3600 fi
3601
3602 if enabled yasm; then
3603     append config_files $TMPASM
3604     printf '' >$TMPASM
3605 fi
3606
3607 print_config ARCH_   "$config_files" $ARCH_LIST
3608 print_config HAVE_   "$config_files" $HAVE_LIST
3609 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3610                                      $CONFIG_EXTRA      \
3611                                      $ALL_COMPONENTS    \
3612
3613 cat >>config.mak <<EOF
3614 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3615 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3616 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3617 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3618 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3619 EOF
3620
3621 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3622 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3623
3624 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3625 cp_if_changed $TMPH config.h
3626 touch .config
3627
3628 enabled yasm && cp_if_changed $TMPASM config.asm
3629
3630 cat > $TMPH <<EOF
3631 /* Generated by ffconf */
3632 #ifndef AVUTIL_AVCONFIG_H
3633 #define AVUTIL_AVCONFIG_H
3634 EOF
3635
3636 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3637
3638 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3639
3640 cp_if_changed $TMPH libavutil/avconfig.h
3641
3642 test -n "$WARNINGS" && printf "\n$WARNINGS"
3643
3644 # build pkg-config files
3645
3646 pkgconfig_generate(){
3647 name=$1
3648 shortname=${name#lib}${build_suffix}
3649 comment=$2
3650 version=$3
3651 libs=$4
3652 requires=$5
3653 enabled ${name#lib} || return 0
3654 mkdir -p $name
3655 cat <<EOF > $name/$name.pc
3656 prefix=$prefix
3657 exec_prefix=\${prefix}
3658 libdir=$libdir
3659 includedir=$incdir
3660
3661 Name: $name
3662 Description: $comment
3663 Version: $version
3664 Requires: $(enabled shared || echo $requires)
3665 Requires.private: $(enabled shared && echo $requires)
3666 Conflicts:
3667 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3668 Libs.private: $(enabled shared && echo $libs)
3669 Cflags: -I\${includedir}
3670 EOF
3671 cat <<EOF > $name/$name-uninstalled.pc
3672 prefix=
3673 exec_prefix=
3674 libdir=\${pcfiledir}
3675 includedir=${source_path}
3676
3677 Name: $name
3678 Description: $comment
3679 Version: $version
3680 Requires: $requires
3681 Conflicts:
3682 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3683 Cflags: -I\${includedir}
3684 EOF
3685 }
3686
3687 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3688 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3689 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3690 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3691 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3692 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3693 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3694 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"