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