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

   1 #!/bin/sh
   2 #
   3 # FFmpeg configure script
   4 #
   5 # Copyright (c) 2000-2002 Fabrice Bellard
   6 # Copyright (c) 2005-2008 Diego Biurrun
   7 # Copyright (c) 2005-2008 Mans Rullgard
   8 #
   9
  10 # Prevent locale nonsense from breaking basic text processing.
  11 LC_ALL=C
  12 export LC_ALL
  13
  14 # make sure we are running under a compatible shell
  15 # try to make this part work with most shells
  16
  17 try_exec(){
  18     echo "Trying shell $1"
  19     type "$1" > /dev/null 2>&1 && exec "$@"
  20 }
  21
  22 unset foo
  23 (: ${foo%%bar}) 2> /dev/null
  24 E1="$?"
  25
  26 (: ${foo?}) 2> /dev/null
  27 E2="$?"
  28
  29 if test "$E1" != 0 || test "$E2" = 0; then
  30     echo "Broken shell detected.  Trying alternatives."
  31     export FF_CONF_EXEC
  32     if test "0$FF_CONF_EXEC" -lt 1; then
  33         FF_CONF_EXEC=1
  34         try_exec bash "$0" "$@"
  35     fi
  36     if test "0$FF_CONF_EXEC" -lt 2; then
  37         FF_CONF_EXEC=2
  38         try_exec ksh "$0" "$@"
  39     fi
  40     if test "0$FF_CONF_EXEC" -lt 3; then
  41         FF_CONF_EXEC=3
  42         try_exec /usr/xpg4/bin/sh "$0" "$@"
  43     fi
  44     echo "No compatible shell script interpreter found."
  45     echo "This configure script requires a POSIX-compatible shell"
  46     echo "such as bash or ksh."
  47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  48     echo "Instead, install a working POSIX-compatible shell."
  49     echo "Disabling this configure test will create a broken FFmpeg."
  50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  51         echo "This bash version ($BASH_VERSION) is broken on your platform."
  52         echo "Upgrade to a later version if available."
  53     fi
  54     exit 1
  55 fi
  56
  57 show_help(){
  58 cat <<EOF
  59 Usage: configure [options]
  60 Options: [defaults in brackets after descriptions]
  61
  62 Standard options:
  63   --help                   print this message
  64   --logfile=FILE           log tests and output to FILE [config.log]
  65   --disable-logging        do not log configure debug information
  66   --prefix=PREFIX          install in PREFIX [$prefix]
  67   --bindir=DIR             install binaries in DIR [PREFIX/bin]
  68   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
  69   --libdir=DIR             install libs in DIR [PREFIX/lib]
  70   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
  71   --incdir=DIR             install includes in DIR [PREFIX/include]
  72   --mandir=DIR             install man page in DIR [PREFIX/share/man]
  73
  74 Configuration options:
  75   --disable-static         do not build static libraries [no]
  76   --enable-shared          build shared libraries [no]
  77   --enable-gpl             allow use of GPL code, the resulting libs
  78                            and binaries will be under GPL [no]
  79   --enable-version3        upgrade (L)GPL to version 3 [no]
  80   --enable-nonfree         allow use of nonfree code, the resulting libs
  81                            and binaries will be unredistributable [no]
  82   --disable-doc            do not build documentation
  83   --disable-ffmpeg         disable ffmpeg build
  84   --enable-avconv          enable  avconv build
  85   --disable-ffplay         disable ffplay build
  86   --disable-ffprobe        disable ffprobe build
  87   --disable-ffserver       disable ffserver build
  88   --disable-avdevice       disable libavdevice build
  89   --disable-avcodec        disable libavcodec build
  90   --disable-avformat       disable libavformat build
  91   --disable-swresample     disable libswresample build
  92   --disable-swscale        disable libswscale build
  93   --disable-postproc       disable libpostproc build
  94   --disable-avfilter       disable video filter support [no]
  95   --disable-pthreads       disable pthreads [auto]
  96   --disable-w32threads     disable Win32 threads [auto]
  97   --disable-os2threads     disable OS/2 threads [auto]
  98   --enable-x11grab         enable X11 grabbing [no]
  99   --disable-network        disable network support [no]
 100   --enable-gray            enable full grayscale support (slower color)
 101   --disable-swscale-alpha  disable alpha channel support in swscale
 102   --disable-fastdiv        disable table-based division
 103   --enable-small           optimize for size instead of speed
 104   --disable-aandct         disable AAN DCT code
 105   --disable-dct            disable DCT code
 106   --disable-fft            disable FFT code
 107   --disable-golomb         disable Golomb code
 108   --disable-huffman        disable Huffman code
 109   --disable-lpc            disable LPC code
 110   --disable-mdct           disable MDCT code
 111   --disable-rdft           disable RDFT code
 112   --enable-vaapi           enable VAAPI code [autodetect]
 113   --enable-vda             enable VDA code [autodetect]
 114   --enable-vdpau           enable VDPAU code [autodetect]
 115   --disable-dxva2          disable DXVA2 code
 116   --disable-vda            disable VDA code
 117   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
 118   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
 119   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
 120   --disable-everything     disable all components listed below
 121   --disable-encoder=NAME   disable encoder NAME
 122   --enable-encoder=NAME    enable encoder NAME
 123   --disable-encoders       disable all encoders
 124   --disable-decoder=NAME   disable decoder NAME
 125   --enable-decoder=NAME    enable decoder NAME
 126   --disable-decoders       disable all decoders
 127   --disable-hwaccel=NAME   disable hwaccel NAME
 128   --enable-hwaccel=NAME    enable hwaccel NAME
 129   --disable-hwaccels       disable all hwaccels
 130   --disable-muxer=NAME     disable muxer NAME
 131   --enable-muxer=NAME      enable muxer NAME
 132   --disable-muxers         disable all muxers
 133   --disable-demuxer=NAME   disable demuxer NAME
 134   --enable-demuxer=NAME    enable demuxer NAME
 135   --disable-demuxers       disable all demuxers
 136   --enable-parser=NAME     enable parser NAME
 137   --disable-parser=NAME    disable parser NAME
 138   --disable-parsers        disable all parsers
 139   --enable-bsf=NAME        enable bitstream filter NAME
 140   --disable-bsf=NAME       disable bitstream filter NAME
 141   --disable-bsfs           disable all bitstream filters
 142   --enable-protocol=NAME   enable protocol NAME
 143   --disable-protocol=NAME  disable protocol NAME
 144   --disable-protocols      disable all protocols
 145   --disable-indev=NAME     disable input device NAME
 146   --disable-outdev=NAME    disable output device NAME
 147   --disable-indevs         disable input devices
 148   --disable-outdevs        disable output devices
 149   --disable-devices        disable all devices
 150   --enable-filter=NAME     enable filter NAME
 151   --disable-filter=NAME    disable filter NAME
 152   --disable-filters        disable all filters
 153   --list-decoders          show all available decoders
 154   --list-encoders          show all available encoders
 155   --list-hwaccels          show all available hardware accelerators
 156   --list-muxers            show all available muxers
 157   --list-demuxers          show all available demuxers
 158   --list-parsers           show all available parsers
 159   --list-protocols         show all available protocols
 160   --list-bsfs              show all available bitstream filters
 161   --list-indevs            show all available input devices
 162   --list-outdevs           show all available output devices
 163   --list-filters           show all available filters
 164
 165 External library support:
 166   --enable-avisynth        enable reading of AVISynth script files [no]
 167   --enable-bzlib           enable bzlib [autodetect]
 168   --enable-frei0r          enable frei0r video filtering
 169   --enable-gnutls          enable gnutls [no]
 170   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
 171   --enable-libass          enable libass subtitles rendering [no]
 172   --enable-libcelt         enable CELT decoding via libcelt [no]
 173   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
 174   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
 175   --enable-libopencv       enable video filtering via libopencv [no]
 176   --enable-libcdio         enable audio CD grabbing with libcdio
 177   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
 178                            and libraw1394 [no]
 179   --enable-libdirac        enable Dirac support via libdirac [no]
 180   --enable-libfaac         enable FAAC support via libfaac [no]
 181   --enable-libfreetype     enable libfreetype [no]
 182   --enable-libgsm          enable GSM support via libgsm [no]
 183   --enable-libmodplug      enable ModPlug via libmodplug [no]
 184   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
 185   --enable-libnut          enable NUT (de)muxing via libnut,
 186                            native (de)muxer exists [no]
 187   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
 188   --enable-libpulse        enable Pulseaudio input via libpulse [no]
 189   --enable-librtmp         enable RTMP[E] support via librtmp [no]
 190   --enable-libschroedinger enable Dirac support via libschroedinger [no]
 191   --enable-libspeex        enable Speex support via libspeex [no]
 192   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
 193   --enable-libtheora       enable Theora encoding via libtheora [no]
 194   --enable-libutvideo      enable Ut Video decoding via libutvideo [no]
 195   --enable-libv4l2         enable libv4l2/v4l-utils [no]
 196   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
 197   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
 198   --enable-libvorbis       enable Vorbis encoding via libvorbis,
 199                            native implementation exists [no]
 200   --enable-libvpx          enable VP8 support via libvpx [no]
 201   --enable-libx264         enable H.264 encoding via x264 [no]
 202   --enable-libxavs         enable AVS encoding via xavs [no]
 203   --enable-libxvid         enable Xvid encoding via xvidcore,
 204                            native MPEG-4/Xvid encoder exists [no]
 205   --enable-openal          enable OpenAL 1.1 capture support [no]
 206   --enable-mlib            enable Sun medialib [no]
 207   --enable-openssl         enable openssl [no]
 208   --enable-zlib            enable zlib [autodetect]
 209
 210 Advanced options (experts only):
 211   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
 212   --enable-cross-compile   assume a cross-compiler is used
 213   --sysroot=PATH           root of cross-build tree
 214   --sysinclude=PATH        location of cross-build system headers
 215   --target-os=OS           compiler targets OS [$target_os]
 216   --target-exec=CMD        command to run executables on target
 217   --target-path=DIR        path to view of build directory on target
 218   --nm=NM                  use nm tool
 219   --ar=AR                  use archive tool AR [$ar_default]
 220   --as=AS                  use assembler AS [$as_default]
 221   --cc=CC                  use C compiler CC [$cc_default]
 222   --cxx=CXX                use C compiler CXX [$cxx_default]
 223   --ld=LD                  use linker LD
 224   --host-cc=HOSTCC         use host C compiler HOSTCC
 225   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
 226   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
 227   --host-libs=HLIBS        use libs HLIBS when linking for host
 228   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
 229   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
 230   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
 231   --extra-libs=ELIBS       add ELIBS [$ELIBS]
 232   --extra-version=STRING   version string suffix []
 233   --build-suffix=SUFFIX    library name suffix []
 234   --progs-suffix=SUFFIX    program name suffix []
 235   --arch=ARCH              select architecture [$arch]
 236   --cpu=CPU                select the minimum required CPU (affects
 237                            instruction selection, may crash on older CPUs)
 238   --disable-asm            disable all assembler optimizations
 239   --disable-altivec        disable AltiVec optimizations
 240   --disable-amd3dnow       disable 3DNow! optimizations
 241   --disable-amd3dnowext    disable 3DNow! extended optimizations
 242   --disable-mmx            disable MMX optimizations
 243   --disable-mmx2           disable MMX2 optimizations
 244   --disable-sse            disable SSE optimizations
 245   --disable-ssse3          disable SSSE3 optimizations
 246   --disable-avx            disable AVX optimizations
 247   --disable-armv5te        disable armv5te optimizations
 248   --disable-armv6          disable armv6 optimizations
 249   --disable-armv6t2        disable armv6t2 optimizations
 250   --disable-armvfp         disable ARM VFP optimizations
 251   --disable-iwmmxt         disable iwmmxt optimizations
 252   --disable-mmi            disable MMI optimizations
 253   --disable-neon           disable neon optimizations
 254   --disable-vis            disable VIS optimizations
 255   --disable-yasm           disable use of yasm assembler
 256   --enable-pic             build position-independent code
 257   --malloc-prefix=PFX      prefix malloc and related names with PFX
 258   --enable-sram            allow use of on-chip SRAM
 259   --disable-symver         disable symbol versioning
 260   --optflags               override optimization-related compiler flags
 261
 262 Developer options (useful when working on FFmpeg itself):
 263   --enable-coverage        build with test coverage instrumentation
 264   --disable-debug          disable debugging symbols
 265   --enable-debug=LEVEL     set the debug level [$debuglevel]
 266   --disable-optimizations  disable compiler optimizations
 267   --enable-extra-warnings  enable more compiler warnings
 268   --disable-stripping      disable stripping of executables and shared libraries
 269   --samples=PATH           location of test samples for FATE, if not set use
 270                            \$FATE_SAMPLES at make invocation time.
 271
 272 NOTE: Object files are built at the place where configure is launched.
 273 EOF
 274   exit 0
 275 }
 276
 277 quotes='""'
 278
 279 log(){
 280     echo "$@" >> $logfile
 281 }
 282
 283 log_file(){
 284     log BEGIN $1
 285     pr -n -t $1 >> $logfile
 286     log END $1
 287 }
 288
 289 echolog(){
 290     log "$@"
 291     echo "$@"
 292 }
 293
 294 warn(){
 295     log "WARNING: $*"
 296     WARNINGS="${WARNINGS}WARNING: $*\n"
 297 }
 298
 299 die(){
 300     echolog "$@"
 301     cat <<EOF
 302
 303 If you think configure made a mistake, make sure you are using the latest
 304 version from Git.  If the latest version fails, report the problem to the
 305 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
 306 EOF
 307     if disabled logging; then
 308         cat <<EOF
 309 Rerun configure with logging enabled (do not use --disable-logging), and
 310 include the log this produces with your report.
 311 EOF
 312     else
 313 cat <<EOF
 314 Include the log file "$logfile" produced by configure as this will help
 315 solving the problem.
 316 EOF
 317     fi
 318     exit 1
 319 }
 320
 321 # Avoid locale weirdness, besides we really just want to translate ASCII.
 322 toupper(){
 323     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 324 }
 325
 326 tolower(){
 327     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 328 }
 329
 330 c_escape(){
 331     echo "$*" | sed 's/["\\]/\\\0/g'
 332 }
 333
 334 sh_quote(){
 335     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 336     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
 337     echo "$v"
 338 }
 339
 340 cleanws(){
 341     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
 342 }
 343
 344 filter(){
 345     pat=$1
 346     shift
 347     for v; do
 348         eval "case $v in $pat) echo $v ;; esac"
 349     done
 350 }
 351
 352 filter_out(){
 353     pat=$1
 354     shift
 355     for v; do
 356         eval "case $v in $pat) ;; *) echo $v ;; esac"
 357     done
 358 }
 359
 360 map(){
 361     m=$1
 362     shift
 363     for v; do eval $m; done
 364 }
 365
 366 set_all(){
 367     value=$1
 368     shift
 369     for var in $*; do
 370         eval $var=$value
 371     done
 372 }
 373
 374 set_weak(){
 375     value=$1
 376     shift
 377     for var; do
 378         eval : \${$var:=$value}
 379     done
 380 }
 381
 382 set_safe(){
 383     var=$1
 384     shift
 385     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
 386 }
 387
 388 get_safe(){
 389     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
 390 }
 391
 392 pushvar(){
 393     for var in $*; do
 394         eval level=\${${var}_level:=0}
 395         eval ${var}_${level}="\$$var"
 396         eval ${var}_level=$(($level+1))
 397     done
 398 }
 399
 400 popvar(){
 401     for var in $*; do
 402         eval level=\${${var}_level:-0}
 403         test $level = 0 && continue
 404         eval level=$(($level-1))
 405         eval $var="\${${var}_${level}}"
 406         eval ${var}_level=$level
 407         eval unset ${var}_${level}
 408     done
 409 }
 410
 411 enable(){
 412     set_all yes $*
 413 }
 414
 415 disable(){
 416     set_all no $*
 417 }
 418
 419 enable_weak(){
 420     set_weak yes $*
 421 }
 422
 423 disable_weak(){
 424     set_weak no $*
 425 }
 426
 427 enable_safe(){
 428     for var; do
 429         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 430     done
 431 }
 432
 433 disable_safe(){
 434     for var; do
 435         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
 436     done
 437 }
 438
 439 do_enable_deep(){
 440     for var; do
 441         enabled $var && continue
 442         eval sel="\$${var}_select"
 443         eval sgs="\$${var}_suggest"
 444         pushvar var sgs
 445         enable_deep $sel
 446         popvar sgs
 447         enable_deep_weak $sgs
 448         popvar var
 449     done
 450 }
 451
 452 enable_deep(){
 453     do_enable_deep $*
 454     enable $*
 455 }
 456
 457 enable_deep_weak(){
 458     do_enable_deep $*
 459     enable_weak $*
 460 }
 461
 462 enabled(){
 463     test "${1#!}" = "$1" && op== || op=!=
 464     eval test "x\$${1#!}" $op "xyes"
 465 }
 466
 467 disabled(){
 468     test "${1#!}" = "$1" && op== || op=!=
 469     eval test "x\$${1#!}" $op "xno"
 470 }
 471
 472 enabled_all(){
 473     for opt; do
 474         enabled $opt || return 1
 475     done
 476 }
 477
 478 disabled_all(){
 479     for opt; do
 480         disabled $opt || return 1
 481     done
 482 }
 483
 484 enabled_any(){
 485     for opt; do
 486         enabled $opt && return 0
 487     done
 488 }
 489
 490 disabled_any(){
 491     for opt; do
 492         disabled $opt && return 0
 493     done
 494     return 1
 495 }
 496
 497 set_default(){
 498     for opt; do
 499         eval : \${$opt:=\$${opt}_default}
 500     done
 501 }
 502
 503 is_in(){
 504     value=$1
 505     shift
 506     for var in $*; do
 507         [ $var = $value ] && return 0
 508     done
 509     return 1
 510 }
 511
 512 check_deps(){
 513     for cfg; do
 514         cfg="${cfg#!}"
 515         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 516         disabled ${cfg}_checking && continue
 517         enable ${cfg}_checking
 518
 519         eval dep_all="\$${cfg}_deps"
 520         eval dep_any="\$${cfg}_deps_any"
 521         eval dep_sel="\$${cfg}_select"
 522         eval dep_sgs="\$${cfg}_suggest"
 523         eval dep_ifa="\$${cfg}_if"
 524         eval dep_ifn="\$${cfg}_if_any"
 525
 526         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 527         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
 528         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
 529
 530         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
 531         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
 532         enabled_all  $dep_all || disable $cfg
 533         enabled_any  $dep_any || disable $cfg
 534         disabled_any $dep_sel && disable $cfg
 535
 536         if enabled $cfg; then
 537             eval dep_extralibs="\$${cfg}_extralibs"
 538             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 539             enable_deep $dep_sel
 540             enable_deep_weak $dep_sgs
 541         fi
 542
 543         disable ${cfg}_checking
 544     done
 545 }
 546
 547 print_config_h(){
 548     enabled $1 && v=1 || v=0
 549     echo "#define $2 $v"
 550 }
 551
 552 print_config_mak(){
 553     enabled $1 && v= || v=!
 554     echo "$v$2=yes"
 555 }
 556
 557 print_config_asm(){
 558     enabled $1 && echo "%define $2"
 559 }
 560
 561 print_config(){
 562     pfx=$1
 563     files=$2
 564     shift 2
 565     for cfg; do
 566         ucname="$(toupper $cfg)"
 567         for f in $files; do
 568             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
 569         done
 570     done
 571 }
 572
 573 print_enabled(){
 574     test "$1" = -n && end=" " && shift || end="\n"
 575     suf=$1
 576     shift
 577     for v; do
 578         enabled $v && printf "%s$end" ${v%$suf};
 579     done
 580 }
 581
 582 append(){
 583     var=$1
 584     shift
 585     eval "$var=\"\$$var $*\""
 586 }
 587
 588 prepend(){
 589     var=$1
 590     shift
 591     eval "$var=\"$* \$$var\""
 592 }
 593
 594 add_cppflags(){
 595     append CPPFLAGS $($filter_cppflags "$@")
 596 }
 597
 598 add_cflags(){
 599     append CFLAGS $($filter_cflags "$@")
 600 }
 601
 602 add_cxxflags(){
 603     append CXXFLAGS $($filter_cflags "$@")
 604 }
 605
 606 add_asflags(){
 607     append ASFLAGS $($filter_asflags "$@")
 608 }
 609
 610 add_ldflags(){
 611     append LDFLAGS "$@"
 612 }
 613
 614 add_extralibs(){
 615     prepend extralibs "$@"
 616 }
 617
 618 check_cmd(){
 619     log "$@"
 620     "$@" >> $logfile 2>&1
 621 }
 622
 623 check_cc(){
 624     log check_cc "$@"
 625     cat > $TMPC
 626     log_file $TMPC
 627     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 628 }
 629
 630 check_cxx(){
 631     log check_cxx "$@"
 632     cat > $TMPCPP
 633     log_file $TMPCPP
 634     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
 635 }
 636
 637 check_cpp(){
 638     log check_cpp "$@"
 639     cat > $TMPC
 640     log_file $TMPC
 641     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 642 }
 643
 644 check_as(){
 645     log check_as "$@"
 646     cat > $TMPC
 647     log_file $TMPC
 648     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 649 }
 650
 651 check_asm(){
 652     log check_asm "$@"
 653     name="$1"
 654     code="$2"
 655     shift 2
 656     disable $name
 657     check_as "$@" <<EOF && enable $name
 658 void foo(void){ __asm__ volatile($code); }
 659 EOF
 660 }
 661
 662 check_yasm(){
 663     log check_yasm "$@"
 664     echo "$1" > $TMPS
 665     log_file $TMPS
 666     shift 1
 667     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 668 }
 669
 670 check_ld(){
 671     log check_ld "$@"
 672     type=$1
 673     shift 1
 674     flags=''
 675     libs=''
 676     for f; do
 677         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 678     done
 679     check_$type $($filter_cflags $flags) || return
 680     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
 681 }
 682
 683 check_cppflags(){
 684     log check_cppflags "$@"
 685     set -- $($filter_cppflags "$@")
 686     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 687 int x;
 688 EOF
 689 }
 690
 691 check_cflags(){
 692     log check_cflags "$@"
 693     set -- $($filter_cflags "$@")
 694     check_cc "$@" <<EOF && append CFLAGS "$@"
 695 int x;
 696 EOF
 697 }
 698
 699 check_cxxflags(){
 700     log check_cxxflags "$@"
 701     set -- $($filter_cflags "$@")
 702     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
 703 int x;
 704 EOF
 705 }
 706
 707 test_ldflags(){
 708     log test_ldflags "$@"
 709     check_ld "cc" "$@" <<EOF
 710 int main(void){ return 0; }
 711 EOF
 712 }
 713
 714 check_ldflags(){
 715     log check_ldflags "$@"
 716     test_ldflags "$@" && add_ldflags "$@"
 717 }
 718
 719 check_header(){
 720     log check_header "$@"
 721     header=$1
 722     shift
 723     disable_safe $header
 724     check_cpp "$@" <<EOF && enable_safe $header
 725 #include <$header>
 726 int x;
 727 EOF
 728 }
 729
 730 check_func(){
 731     log check_func "$@"
 732     func=$1
 733     shift
 734     disable $func
 735     check_ld "cc" "$@" <<EOF && enable $func
 736 extern int $func();
 737 int main(void){ $func(); }
 738 EOF
 739 }
 740
 741 check_mathfunc(){
 742     log check_mathfunc "$@"
 743     func=$1
 744     shift
 745     disable $func
 746     check_ld "cc" "$@" <<EOF && enable $func
 747 #include <math.h>
 748 float foo(float f) { return $func(f); }
 749 int main(void){ return (int) foo; }
 750 EOF
 751 }
 752
 753 check_func_headers(){
 754     log check_func_headers "$@"
 755     headers=$1
 756     funcs=$2
 757     shift 2
 758     {
 759         for hdr in $headers; do
 760             echo "#include <$hdr>"
 761         done
 762         for func in $funcs; do
 763             echo "long check_$func(void) { return (long) $func; }"
 764         done
 765         echo "int main(void) { return 0; }"
 766     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
 767 }
 768
 769 check_class_headers_cpp(){
 770     log check_class_headers_cpp "$@"
 771     headers=$1
 772     classes=$2
 773     shift 2
 774     {
 775         for hdr in $headers; do
 776             echo "#include <$hdr>"
 777         done
 778         echo "int main(void) { "
 779         i=1
 780         for class in $classes; do
 781             echo "$class obj$i;"
 782             i=$(expr $i + 1)
 783         done
 784         echo "return 0; }"
 785     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
 786 }
 787
 788 check_cpp_condition(){
 789     log check_cpp_condition "$@"
 790     header=$1
 791     condition=$2
 792     shift 2
 793     check_cpp $($filter_cppflags "$@") <<EOF
 794 #include <$header>
 795 #if !($condition)
 796 #error "unsatisfied condition: $condition"
 797 #endif
 798 EOF
 799 }
 800
 801 check_lib(){
 802     log check_lib "$@"
 803     header="$1"
 804     func="$2"
 805     shift 2
 806     check_header $header && check_func $func "$@" && add_extralibs "$@"
 807 }
 808
 809 check_lib2(){
 810     log check_lib2 "$@"
 811     headers="$1"
 812     funcs="$2"
 813     shift 2
 814     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
 815 }
 816
 817 check_lib_cpp(){
 818     log check_lib_cpp "$@"
 819     headers="$1"
 820     classes="$2"
 821     shift 2
 822     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
 823 }
 824
 825 check_pkg_config(){
 826     log check_pkg_config "$@"
 827     pkg="$1"
 828     headers="$2"
 829     funcs="$3"
 830     shift 3
 831     $pkg_config --exists $pkg 2>/dev/null || return
 832     pkg_cflags=$($pkg_config --cflags $pkg)
 833     pkg_libs=$($pkg_config --libs $pkg)
 834     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
 835         set_safe ${pkg}_cflags $pkg_cflags   &&
 836         set_safe ${pkg}_libs   $pkg_libs
 837 }
 838
 839 check_exec(){
 840     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 841 }
 842
 843 check_exec_crash(){
 844     code=$(cat)
 845
 846     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 847     # are safe but may not be available everywhere.  Thus we use
 848     # raise(SIGTERM) instead.  The check is run in a subshell so we
 849     # can redirect the "Terminated" message from the shell.  SIGBUS
 850     # is not defined by standard C so it is used conditionally.
 851
 852     (check_exec "$@") >> $logfile 2>&1 <<EOF
 853 #include <signal.h>
 854 static void sighandler(int sig){
 855     raise(SIGTERM);
 856 }
 857 int func(void){
 858     $code
 859 }
 860 int main(void){
 861     signal(SIGILL, sighandler);
 862     signal(SIGFPE, sighandler);
 863     signal(SIGSEGV, sighandler);
 864 #ifdef SIGBUS
 865     signal(SIGBUS, sighandler);
 866 #endif
 867     return func();
 868 }
 869 EOF
 870 }
 871
 872 check_type(){
 873     log check_type "$@"
 874     headers=$1
 875     type=$2
 876     shift 2
 877     disable_safe "$type"
 878     incs=""
 879     for hdr in $headers; do
 880         incs="$incs
 881 #include <$hdr>"
 882     done
 883     check_cc "$@" <<EOF && enable_safe "$type"
 884 $incs
 885 $type v;
 886 EOF
 887 }
 888
 889 check_struct(){
 890     log check_type "$@"
 891     headers=$1
 892     struct=$2
 893     member=$3
 894     shift 3
 895     disable_safe "${struct}_${member}"
 896     incs=""
 897     for hdr in $headers; do
 898         incs="$incs
 899 #include <$hdr>"
 900     done
 901     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
 902 $incs
 903 const void *p = &(($struct *)0)->$member;
 904 EOF
 905 }
 906
 907 require(){
 908     name="$1"
 909     header="$2"
 910     func="$3"
 911     shift 3
 912     check_lib $header $func "$@" || die "ERROR: $name not found"
 913 }
 914
 915 require2(){
 916     name="$1"
 917     headers="$2"
 918     func="$3"
 919     shift 3
 920     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 921 }
 922
 923 require_cpp(){
 924     name="$1"
 925     headers="$2"
 926     classes="$3"
 927     shift 3
 928     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
 929 }
 930
 931 require_pkg_config(){
 932     pkg="$1"
 933     check_pkg_config "$@" || die "ERROR: $pkg not found"
 934     add_cflags    $(get_safe ${pkg}_cflags)
 935     add_extralibs $(get_safe ${pkg}_libs)
 936 }
 937
 938 check_host_cc(){
 939     log check_host_cc "$@"
 940     cat > $TMPC
 941     log_file $TMPC
 942     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
 943 }
 944
 945 check_host_cflags(){
 946     log check_host_cflags "$@"
 947     check_host_cc "$@" <<EOF && append host_cflags "$@"
 948 int x;
 949 EOF
 950 }
 951
 952 apply(){
 953     file=$1
 954     shift
 955     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 956 }
 957
 958 cp_if_changed(){
 959     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
 960     mkdir -p "$(dirname $2)"
 961     cp -f "$1" "$2"
 962 }
 963
 964 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 965 # system-dependent things.
 966
 967 COMPONENT_LIST="
 968     bsfs
 969     decoders
 970     demuxers
 971     encoders
 972     filters
 973     hwaccels
 974     indevs
 975     muxers
 976     outdevs
 977     parsers
 978     protocols
 979 "
 980
 981 CONFIG_LIST="
 982     $COMPONENT_LIST
 983     aandct
 984     ac3dsp
 985     avcodec
 986     avdevice
 987     avfilter
 988     avformat
 989     avisynth
 990     bzlib
 991     crystalhd
 992     dct
 993     doc
 994     dwt
 995     dxva2
 996     fastdiv
 997     ffmpeg
 998     avconv
 999     ffplay
1000     ffprobe
1001     ffserver
1002     fft
1003     frei0r
1004     gnutls
1005     golomb
1006     gpl
1007     gray
1008     h264dsp
1009     h264pred
1010     hardcoded_tables
1011     huffman
1012     libaacplus
1013     libass
1014     libcdio
1015     libcelt
1016     libdc1394
1017     libdirac
1018     libfaac
1019     libfreetype
1020     libgsm
1021     libmodplug
1022     libmp3lame
1023     libnut
1024     libopencore_amrnb
1025     libopencore_amrwb
1026     libopencv
1027     libopenjpeg
1028     libpulse
1029     librtmp
1030     libschroedinger
1031     libspeex
1032     libstagefright_h264
1033     libtheora
1034     libutvideo
1035     libv4l2
1036     libvo_aacenc
1037     libvo_amrwbenc
1038     libvorbis
1039     libvpx
1040     libx264
1041     libxavs
1042     libxvid
1043     lpc
1044     lsp
1045     mdct
1046     memalign_hack
1047     mlib
1048     mpegaudiodsp
1049     network
1050     nonfree
1051     openal
1052     openssl
1053     pic
1054     postproc
1055     rdft
1056     rtpdec
1057     runtime_cpudetect
1058     shared
1059     sinewin
1060     small
1061     sram
1062     static
1063     swresample
1064     swscale
1065     swscale_alpha
1066     thumb
1067     vaapi
1068     vda
1069     vdpau
1070     version3
1071     x11grab
1072     zlib
1073 "
1074
1075 THREADS_LIST='
1076     pthreads
1077     w32threads
1078     os2threads
1079 '
1080
1081 ARCH_LIST='
1082     alpha
1083     arm
1084     avr32
1085     avr32_ap
1086     avr32_uc
1087     bfin
1088     ia64
1089     m68k
1090     mips
1091     mips64
1092     parisc
1093     ppc
1094     ppc64
1095     s390
1096     sh4
1097     sparc
1098     sparc64
1099     tomi
1100     x86
1101     x86_32
1102     x86_64
1103 '
1104
1105 ARCH_EXT_LIST='
1106     altivec
1107     amd3dnow
1108     amd3dnowext
1109     armv5te
1110     armv6
1111     armv6t2
1112     armvfp
1113     avx
1114     iwmmxt
1115     mmi
1116     mmx
1117     mmx2
1118     neon
1119     ppc4xx
1120     sse
1121     ssse3
1122     vfpv3
1123     vis
1124 '
1125
1126 HAVE_LIST_PUB='
1127     bigendian
1128     fast_unaligned
1129 '
1130
1131 HAVE_LIST="
1132     $ARCH_EXT_LIST
1133     $HAVE_LIST_PUB
1134     $THREADS_LIST
1135     aligned_stack
1136     alsa_asoundlib_h
1137     altivec_h
1138     arpa_inet_h
1139     asm_mod_y
1140     attribute_may_alias
1141     attribute_packed
1142     bswap
1143     cbrtf
1144     closesocket
1145     cmov
1146     dcbzl
1147     dev_bktr_ioctl_bt848_h
1148     dev_bktr_ioctl_meteor_h
1149     dev_ic_bt8xx_h
1150     dev_video_meteor_ioctl_meteor_h
1151     dev_video_bktr_ioctl_bt848_h
1152     dlfcn_h
1153     dlopen
1154     dos_paths
1155     ebp_available
1156     ebx_available
1157     exp2
1158     exp2f
1159     fast_64bit
1160     fast_clz
1161     fast_cmov
1162     fcntl
1163     fork
1164     getaddrinfo
1165     gethrtime
1166     GetProcessMemoryInfo
1167     GetProcessTimes
1168     getrusage
1169     gnu_as
1170     struct_rusage_ru_maxrss
1171     ibm_asm
1172     inet_aton
1173     inline_asm
1174     isatty
1175     kbhit
1176     ldbrx
1177     llrint
1178     llrintf
1179     local_aligned_16
1180     local_aligned_8
1181     localtime_r
1182     log2
1183     log2f
1184     loongson
1185     lrint
1186     lrintf
1187     lzo1x_999_compress
1188     machine_ioctl_bt848_h
1189     machine_ioctl_meteor_h
1190     malloc_h
1191     MapViewOfFile
1192     memalign
1193     mkstemp
1194     mmap
1195     PeekNamedPipe
1196     posix_memalign
1197     round
1198     roundf
1199     sdl
1200     sdl_video_size
1201     setmode
1202     sndio_h
1203     socklen_t
1204     soundcard_h
1205     poll_h
1206     setrlimit
1207     strerror_r
1208     strptime
1209     struct_addrinfo
1210     struct_ipv6_mreq
1211     struct_sockaddr_in6
1212     struct_sockaddr_sa_len
1213     struct_sockaddr_storage
1214     symver
1215     symver_gnu_asm
1216     symver_asm_label
1217     sys_mman_h
1218     sys_resource_h
1219     sys_select_h
1220     sys_soundcard_h
1221     sys_videoio_h
1222     termios_h
1223     threads
1224     trunc
1225     truncf
1226     vfp_args
1227     VirtualAlloc
1228     winsock2_h
1229     xform_asm
1230     xmm_clobbers
1231     yasm
1232 "
1233
1234 # options emitted with CONFIG_ prefix but not available on command line
1235 CONFIG_EXTRA="
1236     avutil
1237     gplv3
1238     lgplv3
1239 "
1240
1241 CMDLINE_SELECT="
1242     $ARCH_EXT_LIST
1243     $CONFIG_LIST
1244     $THREADS_LIST
1245     asm
1246     coverage
1247     cross_compile
1248     debug
1249     extra_warnings
1250     logging
1251     optimizations
1252     stripping
1253     symver
1254     yasm
1255 "
1256
1257 PATHS_LIST='
1258     bindir
1259     datadir
1260     incdir
1261     libdir
1262     mandir
1263     prefix
1264     shlibdir
1265 '
1266
1267 CMDLINE_SET="
1268     $PATHS_LIST
1269     ar
1270     arch
1271     as
1272     build_suffix
1273     progs_suffix
1274     cc
1275     cpu
1276     cross_prefix
1277     cxx
1278     dep_cc
1279     extra_version
1280     host_cc
1281     host_cflags
1282     host_ldflags
1283     host_libs
1284     host_os
1285     install
1286     ld
1287     logfile
1288     malloc_prefix
1289     nm
1290     optflags
1291     pkg_config
1292     samples
1293     strip
1294     sysinclude
1295     sysroot
1296     target_exec
1297     target_os
1298     target_path
1299 "
1300
1301 CMDLINE_APPEND="
1302     extra_cflags
1303     extra_cxxflags
1304 "
1305
1306 # code dependency declarations
1307
1308 # architecture extensions
1309
1310 armv5te_deps="arm"
1311 armv6_deps="arm"
1312 armv6t2_deps="arm"
1313 armvfp_deps="arm"
1314 iwmmxt_deps="arm"
1315 neon_deps="arm"
1316 vfpv3_deps="armvfp"
1317
1318 mmi_deps="mips"
1319
1320 altivec_deps="ppc"
1321 ppc4xx_deps="ppc"
1322
1323 vis_deps="sparc"
1324
1325 x86_64_suggest="cmov fast_cmov"
1326 amd3dnow_deps="mmx"
1327 amd3dnowext_deps="amd3dnow"
1328 mmx_deps="x86"
1329 mmx2_deps="mmx"
1330 sse_deps="mmx"
1331 ssse3_deps="sse"
1332 avx_deps="ssse3"
1333
1334 aligned_stack_if_any="ppc x86"
1335 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1336 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1337 fast_unaligned_if_any="armv6 ppc x86"
1338
1339 need_memalign="altivec neon sse"
1340 inline_asm_deps="!tms470"
1341
1342 symver_if_any="symver_asm_label symver_gnu_asm"
1343
1344 # subsystems
1345 dct_select="rdft"
1346 mdct_select="fft"
1347 rdft_select="fft"
1348 mpegaudiodsp_select="dct"
1349
1350 # decoders / encoders / hardware accelerators
1351 aac_decoder_select="mdct sinewin"
1352 aac_encoder_select="mdct sinewin"
1353 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1354 ac3_decoder_select="mdct ac3dsp ac3_parser"
1355 ac3_encoder_select="mdct ac3dsp"
1356 ac3_fixed_encoder_select="mdct ac3dsp"
1357 alac_encoder_select="lpc"
1358 amrnb_decoder_select="lsp"
1359 amrwb_decoder_select="lsp"
1360 atrac1_decoder_select="mdct sinewin"
1361 atrac3_decoder_select="mdct"
1362 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1363 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1364 cavs_decoder_select="golomb"
1365 cook_decoder_select="mdct sinewin"
1366 cscd_decoder_suggest="zlib"
1367 dca_decoder_select="mdct"
1368 dnxhd_encoder_select="aandct"
1369 dxa_decoder_select="zlib"
1370 eac3_decoder_select="ac3_decoder"
1371 eac3_encoder_select="mdct ac3dsp"
1372 eamad_decoder_select="aandct"
1373 eatgq_decoder_select="aandct"
1374 eatqi_decoder_select="aandct"
1375 ffv1_decoder_select="golomb"
1376 flac_decoder_select="golomb"
1377 flac_encoder_select="golomb lpc"
1378 flashsv_decoder_select="zlib"
1379 flashsv_encoder_select="zlib"
1380 flashsv2_encoder_select="zlib"
1381 flashsv2_decoder_select="zlib"
1382 flv_decoder_select="h263_decoder"
1383 flv_encoder_select="h263_encoder"
1384 fraps_decoder_select="huffman"
1385 h261_encoder_select="aandct"
1386 h263_decoder_select="h263_parser"
1387 h263_encoder_select="aandct"
1388 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1389 h263i_decoder_select="h263_decoder"
1390 h263p_encoder_select="h263_encoder"
1391 h264_decoder_select="golomb h264dsp h264pred"
1392 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1393 h264_dxva2_hwaccel_deps="dxva2api_h"
1394 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1395 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1396 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1397 h264_vda_hwaccel_select="vda h264_decoder"
1398 h264_vdpau_decoder_select="vdpau h264_decoder"
1399 imc_decoder_select="fft mdct sinewin"
1400 jpegls_decoder_select="golomb"
1401 jpegls_encoder_select="golomb"
1402 ljpeg_encoder_select="aandct"
1403 loco_decoder_select="golomb"
1404 mjpeg_encoder_select="aandct"
1405 mlp_decoder_select="mlp_parser"
1406 mp1_decoder_select="mpegaudiodsp"
1407 mp2_decoder_select="mpegaudiodsp"
1408 mp3adu_decoder_select="mpegaudiodsp"
1409 mp3_decoder_select="mpegaudiodsp"
1410 mp3on4_decoder_select="mpegaudiodsp"
1411 mp1float_decoder_select="mpegaudiodsp"
1412 mp2float_decoder_select="mpegaudiodsp"
1413 mp3adufloat_decoder_select="mpegaudiodsp"
1414 mp3float_decoder_select="mpegaudiodsp"
1415 mp3on4float_decoder_select="mpegaudiodsp"
1416 mpeg1video_encoder_select="aandct"
1417 mpeg2video_encoder_select="aandct"
1418 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1419 mpeg4_encoder_select="h263_encoder"
1420 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1421 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1422 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1423 mpeg2_crystalhd_decoder_select="crystalhd"
1424 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1425 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1426 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1427 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1428 mpeg4_crystalhd_decoder_select="crystalhd"
1429 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1430 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1431 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1432 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1433 msmpeg4_crystalhd_decoder_select="crystalhd"
1434 msmpeg4v1_decoder_select="h263_decoder"
1435 msmpeg4v1_encoder_select="h263_encoder"
1436 msmpeg4v2_decoder_select="h263_decoder"
1437 msmpeg4v2_encoder_select="h263_encoder"
1438 msmpeg4v3_decoder_select="h263_decoder"
1439 msmpeg4v3_encoder_select="h263_encoder"
1440 nellymoser_decoder_select="mdct sinewin"
1441 nellymoser_encoder_select="mdct sinewin"
1442 png_decoder_select="zlib"
1443 png_encoder_select="zlib"
1444 qcelp_decoder_select="lsp"
1445 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1446 ra_144_encoder_select="lpc"
1447 rv10_decoder_select="h263_decoder"
1448 rv10_encoder_select="h263_encoder"
1449 rv20_decoder_select="h263_decoder"
1450 rv20_encoder_select="h263_encoder"
1451 rv30_decoder_select="golomb h264pred"
1452 rv40_decoder_select="golomb h264pred"
1453 shorten_decoder_select="golomb"
1454 sipr_decoder_select="lsp"
1455 snow_decoder_select="dwt"
1456 snow_encoder_select="aandct dwt"
1457 sonic_decoder_select="golomb"
1458 sonic_encoder_select="golomb"
1459 sonic_ls_encoder_select="golomb"
1460 svq1_encoder_select="aandct"
1461 svq3_decoder_select="golomb h264dsp h264pred"
1462 svq3_decoder_suggest="zlib"
1463 theora_decoder_select="vp3_decoder"
1464 tiff_decoder_suggest="zlib"
1465 tiff_encoder_suggest="zlib"
1466 truehd_decoder_select="mlp_decoder"
1467 tscc_decoder_select="zlib"
1468 twinvq_decoder_select="mdct lsp sinewin"
1469 vc1_decoder_select="h263_decoder"
1470 vc1_crystalhd_decoder_select="crystalhd"
1471 vc1_dxva2_hwaccel_deps="dxva2api_h"
1472 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1473 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1474 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1475 vc1image_decoder_select="vc1_decoder"
1476 vorbis_decoder_select="mdct"
1477 vorbis_encoder_select="mdct"
1478 vp6_decoder_select="huffman"
1479 vp6a_decoder_select="vp6_decoder"
1480 vp6f_decoder_select="vp6_decoder"
1481 vp8_decoder_select="h264pred"
1482 wmapro_decoder_select="mdct sinewin"
1483 wmav1_decoder_select="mdct sinewin"
1484 wmav1_encoder_select="mdct sinewin"
1485 wmav2_decoder_select="mdct sinewin"
1486 wmav2_encoder_select="mdct sinewin"
1487 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1488 wmv1_decoder_select="h263_decoder"
1489 wmv1_encoder_select="h263_encoder"
1490 wmv2_decoder_select="h263_decoder"
1491 wmv2_encoder_select="h263_encoder"
1492 wmv3_decoder_select="vc1_decoder"
1493 wmv3_crystalhd_decoder_select="crystalhd"
1494 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1495 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1496 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1497 wmv3image_decoder_select="wmv3_decoder"
1498 zlib_decoder_select="zlib"
1499 zlib_encoder_select="zlib"
1500 zmbv_decoder_select="zlib"
1501 zmbv_encoder_select="zlib"
1502
1503 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1504 vaapi_deps="va_va_h"
1505 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1506 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1507
1508 # parsers
1509 h264_parser_select="golomb h264dsp h264pred"
1510
1511 # external libraries
1512 libaacplus_encoder_deps="libaacplus"
1513 libcelt_decoder_deps="libcelt"
1514 libdirac_decoder_deps="libdirac !libschroedinger"
1515 libdirac_encoder_deps="libdirac"
1516 libfaac_encoder_deps="libfaac"
1517 libgsm_decoder_deps="libgsm"
1518 libgsm_encoder_deps="libgsm"
1519 libgsm_ms_decoder_deps="libgsm"
1520 libgsm_ms_encoder_deps="libgsm"
1521 libmodplug_demuxer_deps="libmodplug"
1522 libmp3lame_encoder_deps="libmp3lame"
1523 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1524 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1525 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1526 libopenjpeg_decoder_deps="libopenjpeg"
1527 libopenjpeg_encoder_deps="libopenjpeg"
1528 libschroedinger_decoder_deps="libschroedinger"
1529 libschroedinger_encoder_deps="libschroedinger"
1530 libspeex_decoder_deps="libspeex"
1531 libspeex_encoder_deps="libspeex"
1532 libstagefright_h264_decoder_deps="libstagefright_h264"
1533 libtheora_encoder_deps="libtheora"
1534 libvo_aacenc_encoder_deps="libvo_aacenc"
1535 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1536 libvorbis_encoder_deps="libvorbis"
1537 libvpx_decoder_deps="libvpx"
1538 libvpx_encoder_deps="libvpx"
1539 libx264_encoder_deps="libx264"
1540 libx264rgb_encoder_deps="libx264"
1541 libxavs_encoder_deps="libxavs"
1542 libxvid_encoder_deps="libxvid"
1543 libutvideo_decoder_deps="libutvideo gpl"
1544
1545 # demuxers / muxers
1546 ac3_demuxer_select="ac3_parser"
1547 asf_stream_muxer_select="asf_muxer"
1548 avisynth_demuxer_deps="avisynth"
1549 dirac_demuxer_select="dirac_parser"
1550 eac3_demuxer_select="ac3_parser"
1551 flac_demuxer_select="flac_parser"
1552 ipod_muxer_select="mov_muxer"
1553 libnut_demuxer_deps="libnut"
1554 libnut_muxer_deps="libnut"
1555 matroska_audio_muxer_select="matroska_muxer"
1556 matroska_demuxer_suggest="zlib bzlib"
1557 mov_demuxer_suggest="zlib"
1558 mp3_demuxer_select="mpegaudio_parser"
1559 mp4_muxer_select="mov_muxer"
1560 mpegtsraw_demuxer_select="mpegts_demuxer"
1561 mxf_d10_muxer_select="mxf_muxer"
1562 ogg_demuxer_select="golomb"
1563 psp_muxer_select="mov_muxer"
1564 rtp_demuxer_select="sdp_demuxer"
1565 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1566 rtsp_demuxer_select="http_protocol rtpdec"
1567 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1568 sap_demuxer_select="sdp_demuxer"
1569 sap_muxer_select="rtp_muxer rtp_protocol"
1570 sdp_demuxer_select="rtpdec"
1571 spdif_muxer_select="aac_parser"
1572 tg2_muxer_select="mov_muxer"
1573 tgp_muxer_select="mov_muxer"
1574 w64_demuxer_deps="wav_demuxer"
1575
1576 # indevs / outdevs
1577 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1578 alsa_outdev_deps="alsa_asoundlib_h"
1579 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1580 dshow_indev_deps="IBaseFilter"
1581 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1582 dv1394_indev_deps="dv1394 dv_demuxer"
1583 fbdev_indev_deps="linux_fb_h"
1584 jack_indev_deps="jack_jack_h sem_timedwait"
1585 lavfi_indev_deps="avfilter"
1586 libcdio_indev_deps="libcdio"
1587 libdc1394_indev_deps="libdc1394"
1588 libv4l2_indev_deps="libv4l2"
1589 openal_indev_deps="openal"
1590 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1591 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1592 pulse_indev_deps="libpulse"
1593 sdl_outdev_deps="sdl"
1594 sndio_indev_deps="sndio_h"
1595 sndio_outdev_deps="sndio_h"
1596 v4l_indev_deps="linux_videodev_h"
1597 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1598 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1599 vfwcap_indev_extralibs="-lavicap32"
1600 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1601 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1602
1603 # protocols
1604 gopher_protocol_deps="network"
1605 httpproxy_protocol_deps="network"
1606 httpproxy_protocol_select="tcp_protocol"
1607 http_protocol_deps="network"
1608 http_protocol_select="tcp_protocol"
1609 https_protocol_select="tls_protocol"
1610 mmsh_protocol_select="http_protocol"
1611 mmst_protocol_deps="network"
1612 rtmp_protocol_select="tcp_protocol"
1613 rtp_protocol_select="udp_protocol"
1614 tcp_protocol_deps="network"
1615 tls_protocol_deps_any="openssl gnutls"
1616 tls_protocol_select="tcp_protocol"
1617 udp_protocol_deps="network"
1618
1619 # filters
1620 amovie_filter_deps="avcodec avformat"
1621 ass_filter_deps="libass"
1622 blackframe_filter_deps="gpl"
1623 boxblur_filter_deps="gpl"
1624 cropdetect_filter_deps="gpl"
1625 delogo_filter_deps="gpl"
1626 drawtext_filter_deps="libfreetype"
1627 frei0r_filter_deps="frei0r dlopen"
1628 frei0r_src_filter_deps="frei0r dlopen"
1629 hqdn3d_filter_deps="gpl"
1630 movie_filter_deps="avcodec avformat"
1631 mp_filter_deps="gpl avcodec"
1632 mptestsrc_filter_deps="gpl"
1633 negate_filter_deps="lut_filter"
1634 ocv_filter_deps="libopencv"
1635 scale_filter_deps="swscale"
1636 yadif_filter_deps="gpl"
1637
1638 # libraries
1639 avdevice_deps="avcodec avformat"
1640 avformat_deps="avcodec"
1641 postproc_deps="gpl"
1642
1643 # programs
1644 ffmpeg_deps="avcodec avformat swscale swresample"
1645 ffmpeg_select="buffer_filter buffersink_filter"
1646 avconv_deps="avcodec avformat swscale"
1647 avconv_select="buffer_filter"
1648 ffplay_deps="avcodec avformat swscale sdl"
1649 ffplay_select="buffersink_filter rdft"
1650 ffprobe_deps="avcodec avformat"
1651 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1652 ffserver_extralibs='$ldl'
1653
1654 doc_deps="texi2html"
1655
1656 # tests
1657
1658 test_deps(){
1659     suf1=$1
1660     suf2=$2
1661     shift 2
1662     for v; do
1663         dep=${v%=*}
1664         tests=${v#*=}
1665         for name in ${tests}; do
1666             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1667         done
1668     done
1669 }
1670
1671 mxf_d10_test_deps="avfilter"
1672 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1673
1674 test_deps _encoder _decoder                                             \
1675     adpcm_g726=g726                                                     \
1676     adpcm_ima_qt                                                        \
1677     adpcm_ima_wav                                                       \
1678     adpcm_ms                                                            \
1679     adpcm_swf                                                           \
1680     adpcm_yamaha=adpcm_yam                                              \
1681     alac                                                                \
1682     asv1                                                                \
1683     asv2                                                                \
1684     bmp                                                                 \
1685     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1686     dvvideo="dv dv_411 dv50"                                            \
1687     ffv1                                                                \
1688     flac                                                                \
1689     flashsv                                                             \
1690     flv                                                                 \
1691     gif                                                                 \
1692     h261                                                                \
1693     h263="h263 h263p"                                                   \
1694     huffyuv                                                             \
1695     jpegls                                                              \
1696     mjpeg="jpg mjpeg ljpeg"                                             \
1697     mp2                                                                 \
1698     mpeg1video="mpeg mpeg1b"                                            \
1699     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1700     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1701     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1702     mpeg4="mpeg4thread error rc"                                        \
1703     msmpeg4v3=msmpeg4                                                   \
1704     msmpeg4v2                                                           \
1705     pbm=pbmpipe                                                         \
1706     pcx                                                                 \
1707     pgm="pgm pgmpipe"                                                   \
1708     png                                                                 \
1709     ppm="ppm ppmpipe"                                                   \
1710     rawvideo="rgb yuv"                                                  \
1711     roq                                                                 \
1712     rv10                                                                \
1713     rv20                                                                \
1714     sgi                                                                 \
1715     snow="snow snowll"                                                  \
1716     svq1                                                                \
1717     targa=tga                                                           \
1718     tiff                                                                \
1719     wmav1                                                               \
1720     wmav2                                                               \
1721     wmv1                                                                \
1722     wmv2                                                                \
1723
1724 test_deps _muxer _demuxer                                               \
1725     aiff                                                                \
1726     pcm_alaw=alaw                                                       \
1727     asf                                                                 \
1728     au                                                                  \
1729     avi                                                                 \
1730     dv=dv_fmt                                                           \
1731     ffm                                                                 \
1732     flv=flv_fmt                                                         \
1733     gxf                                                                 \
1734     matroska=mkv                                                        \
1735     mmf                                                                 \
1736     mov                                                                 \
1737     pcm_mulaw=mulaw                                                     \
1738     mxf="mxf mxf_d10"                                                   \
1739     nut                                                                 \
1740     ogg                                                                 \
1741     rawvideo=pixfmt                                                     \
1742     rm                                                                  \
1743     swf                                                                 \
1744     mpegts=ts                                                           \
1745     voc                                                                 \
1746     wav                                                                 \
1747     yuv4mpegpipe=yuv4mpeg                                               \
1748
1749 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1750 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1751
1752 # default parameters
1753
1754 logfile="config.log"
1755
1756 # installation paths
1757 prefix_default="/usr/local"
1758 bindir_default='${prefix}/bin'
1759 datadir_default='${prefix}/share/ffmpeg'
1760 incdir_default='${prefix}/include'
1761 libdir_default='${prefix}/lib'
1762 mandir_default='${prefix}/share/man'
1763 shlibdir_default="$libdir_default"
1764
1765 # toolchain
1766 ar_default="ar"
1767 cc_default="gcc"
1768 cxx_default="g++"
1769 cc_version=\"unknown\"
1770 host_cc_default="gcc"
1771 install="install"
1772 ln_s="ln -sf"
1773 nm_default="nm"
1774 objformat="elf"
1775 pkg_config_default=pkg-config
1776 ranlib="ranlib"
1777 strip_default="strip"
1778 yasmexe="yasm"
1779 nogas=":"
1780
1781 nm_opts='-g'
1782
1783 # machine
1784 arch_default=$(uname -m)
1785 cpu="generic"
1786
1787 # OS
1788 target_os_default=$(tolower $(uname -s))
1789 host_os=$target_os_default
1790
1791 # configurable options
1792 enable avcodec
1793 enable avdevice
1794 enable avfilter
1795 enable avformat
1796 enable avutil
1797 enable asm
1798 enable debug
1799 enable doc
1800 enable fastdiv
1801 enable ffmpeg
1802 enable ffplay
1803 enable ffprobe
1804 enable ffserver
1805 enable network
1806 enable optimizations
1807 enable postproc
1808 enable protocols
1809 enable static
1810 enable stripping
1811 enable swresample
1812 enable swscale
1813 enable swscale_alpha
1814
1815 # build settings
1816 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1817 FFSERVERLDFLAGS=-Wl,-E
1818 LIBPREF="lib"
1819 LIBSUF=".a"
1820 FULLNAME='$(NAME)$(BUILDSUF)'
1821 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1822 SLIBPREF="lib"
1823 SLIBSUF=".so"
1824 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1825 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1826 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1827 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1828 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1829 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1830
1831 AS_O='-o $@'
1832 CC_O='-o $@'
1833 CXX_O='-o $@'
1834
1835 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1836 host_libs='-lm'
1837
1838 target_path='$(CURDIR)'
1839
1840 # since the object filename is not given with the -MM flag, the compiler
1841 # is only able to print the basename, and we must add the path ourselves
1842 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1843 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1844
1845 # find source path
1846 if test -f configure; then
1847     source_path=.
1848 else
1849     source_path=$(cd $(dirname "$0"); pwd)
1850     echo "$source_path" | grep -q '[[:blank:]]' &&
1851         die "Out of tree builds are impossible with whitespace in source path."
1852     test -e "$source_path/config.h" &&
1853         die "Out of tree builds are impossible with config.h in source dir."
1854 fi
1855
1856 for v in "$@"; do
1857     r=${v#*=}
1858     l=${v%"$r"}
1859     r=$(sh_quote "$r")
1860     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1861 done
1862
1863 find_things(){
1864     thing=$1
1865     pattern=$2
1866     file=$source_path/$3
1867     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1868 }
1869
1870 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1871 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1872 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1873 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1874 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1875 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1876 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1877 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1878 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1879 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1880 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1881
1882 find_tests(){
1883     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1884 }
1885
1886 ACODEC_TESTS=$(find_tests acodec)
1887 VCODEC_TESTS=$(find_tests vsynth1)
1888 LAVF_TESTS=$(find_tests lavf)
1889 LAVFI_TESTS=$(find_tests lavfi)
1890 SEEK_TESTS=$(find_tests seek seek_)
1891
1892 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1893
1894 for n in $COMPONENT_LIST; do
1895     v=$(toupper ${n%s})_LIST
1896     eval enable \$$v
1897     eval ${n}_if_any="\$$v"
1898 done
1899
1900 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1901
1902 die_unknown(){
1903     echo "Unknown option \"$1\"."
1904     echo "See $0 --help for available options."
1905     exit 1
1906 }
1907
1908 show_list() {
1909     suffix=_$1
1910     shift
1911     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1912     exit 0
1913 }
1914
1915 for opt do
1916     optval="${opt#*=}"
1917     case "$opt" in
1918     --extra-ldflags=*) add_ldflags $optval
1919     ;;
1920     --extra-libs=*) add_extralibs $optval
1921     ;;
1922     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1923     ;;
1924     --enable-debug=*) debuglevel="$optval"
1925     ;;
1926     --disable-everything)
1927     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1928     ;;
1929     --enable-*=*|--disable-*=*)
1930     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1931     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1932     eval list=\$$(toupper $thing)_LIST
1933     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1934     $action $(filter "$name" $list)
1935     ;;
1936     --enable-?*|--disable-?*)
1937     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1938     if is_in $option $COMPONENT_LIST; then
1939         test $action = disable && action=unset
1940         eval $action \$$(toupper ${option%s})_LIST
1941     elif is_in $option $CMDLINE_SELECT; then
1942         $action $option
1943     else
1944         die_unknown $opt
1945     fi
1946     ;;
1947     --list-*)
1948         NAME="${opt#--list-}"
1949         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1950         NAME=${NAME%s}
1951         eval show_list $NAME \$$(toupper $NAME)_LIST
1952     ;;
1953     --help|-h) show_help
1954     ;;
1955     *)
1956     optname="${opt%%=*}"
1957     optname="${optname#--}"
1958     optname=$(echo "$optname" | sed 's/-/_/g')
1959     if is_in $optname $CMDLINE_SET; then
1960         eval $optname='$optval'
1961     elif is_in $optname $CMDLINE_APPEND; then
1962         append $optname "$optval"
1963     else
1964          die_unknown $opt
1965     fi
1966     ;;
1967     esac
1968 done
1969
1970 disabled logging && logfile=/dev/null
1971
1972 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1973 set >> $logfile
1974
1975 test -n "$cross_prefix" && enable cross_compile
1976
1977 if enabled cross_compile; then
1978     test -n "$arch" && test -n "$target_os" ||
1979         die "Must specify target arch and OS when cross-compiling"
1980 fi
1981
1982 set_default arch target_os
1983
1984 ar_default="${cross_prefix}${ar_default}"
1985 cc_default="${cross_prefix}${cc_default}"
1986 cxx_default="${cross_prefix}${cxx_default}"
1987 nm_default="${cross_prefix}${nm_default}"
1988 pkg_config_default="${cross_prefix}${pkg_config_default}"
1989 ranlib="${cross_prefix}${ranlib}"
1990 strip_default="${cross_prefix}${strip_default}"
1991
1992 sysinclude_default="${sysroot}/usr/include"
1993
1994 set_default cc cxx nm pkg_config strip sysinclude
1995 enabled cross_compile || host_cc_default=$cc
1996 set_default host_cc
1997
1998 if ! $pkg_config --version >/dev/null 2>&1; then
1999     warn "$pkg_config not found, library detection may fail."
2000     pkg_config=false
2001 fi
2002
2003 exesuf() {
2004     case $1 in
2005         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2006     esac
2007 }
2008
2009 EXESUF=$(exesuf $target_os)
2010 HOSTEXESUF=$(exesuf $host_os)
2011
2012 # set temporary file name
2013 : ${TMPDIR:=$TEMPDIR}
2014 : ${TMPDIR:=$TMP}
2015 : ${TMPDIR:=/tmp}
2016
2017 if ! check_cmd mktemp -u XXXXXX; then
2018     # simple replacement for missing mktemp
2019     # NOT SAFE FOR GENERAL USE
2020     mktemp(){
2021         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2022     }
2023 fi
2024
2025 tmpfile(){
2026     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2027         (set -C; exec > $tmp) 2>/dev/null ||
2028         die "Unable to create temporary file in $TMPDIR."
2029     append TMPFILES $tmp
2030     eval $1=$tmp
2031 }
2032
2033 trap 'rm -f -- $TMPFILES' EXIT
2034
2035 tmpfile TMPC  .c
2036 tmpfile TMPCPP .cpp
2037 tmpfile TMPE  $EXESUF
2038 tmpfile TMPH  .h
2039 tmpfile TMPO  .o
2040 tmpfile TMPS  .S
2041 tmpfile TMPV  .ver
2042 tmpfile TMPSH .sh
2043 tmpfile TMPASM .asm
2044
2045 unset -f mktemp
2046
2047 chmod +x $TMPE
2048
2049 # make sure we can execute files in $TMPDIR
2050 cat > $TMPSH 2>> $logfile <<EOF
2051 #! /bin/sh
2052 EOF
2053 chmod +x $TMPSH >> $logfile 2>&1
2054 if ! $TMPSH >> $logfile 2>&1; then
2055     cat <<EOF
2056 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2057 variable to another directory and make sure that it is not mounted noexec.
2058 EOF
2059     die "Sanity test failed."
2060 fi
2061
2062 filter_cflags=echo
2063 filter_cppflags=echo
2064 filter_asflags=echo
2065
2066 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2067     cc_type=llvm_gcc
2068     cc_version=__VERSION__
2069     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2070     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2071     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2072     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2073     speed_cflags='-O3'
2074     size_cflags='-Os'
2075 elif $cc -v 2>&1 | grep -qi ^gcc; then
2076     cc_type=gcc
2077     cc_version=__VERSION__
2078     gcc_version=$($cc --version | head -n1)
2079     gcc_basever=$($cc -dumpversion)
2080     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2081     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2082     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2083     if ! $cc -dumpversion | grep -q '^2\.'; then
2084         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2085         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2086     fi
2087     speed_cflags='-O3'
2088     size_cflags='-Os'
2089 elif $cc --version 2>/dev/null | grep -q Intel; then
2090     cc_type=icc
2091     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2092     cc_ident=$($cc --version | head -n1)
2093     icc_version=$($cc -dumpversion)
2094     CC_DEPFLAGS='-MMD'
2095     AS_DEPFLAGS='-MMD'
2096     speed_cflags='-O3'
2097     size_cflags='-Os'
2098     noopt_cflags='-O1'
2099 elif $cc -v 2>&1 | grep -q xlc; then
2100     cc_type=xlc
2101     cc_version="AV_STRINGIFY(__IBMC__)"
2102     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2103     speed_cflags='-O5'
2104     size_cflags='-O5 -qcompact'
2105 elif $cc -V 2>/dev/null | grep -q Compaq; then
2106     cc_type=ccc
2107     cc_version="AV_STRINGIFY(__DECC_VER)"
2108     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2109     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2110     debuglevel=3
2111     add_ldflags -Wl,-z,now # calls to libots crash without this
2112     speed_cflags='-fast'
2113     size_cflags='-O1'
2114 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2115     test -d "$sysroot" || die "No valid sysroot specified."
2116     cc_type=armcc
2117     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2118     cc_ident=$($cc --vsn | head -n1)
2119     armcc_conf="$PWD/armcc.conf"
2120     $cc --arm_linux_configure                 \
2121         --arm_linux_config_file="$armcc_conf" \
2122         --configure_sysroot="$sysroot"        \
2123         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2124         die "Error creating armcc configuration file."
2125     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2126     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2127     as_default="${cross_prefix}gcc"
2128     CC_DEPFLAGS='-MMD'
2129     AS_DEPFLAGS='-MMD'
2130     speed_cflags='-O3'
2131     size_cflags='-Os'
2132     filter_asflags="filter_out -W${armcc_opt}*"
2133 elif $cc -version 2>/dev/null | grep -q TMS470; then
2134     cc_type=tms470
2135     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2136     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2137     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2138     CC_O='-fr=$(@D)'
2139     as_default="${cross_prefix}gcc"
2140     ld_default="${cross_prefix}gcc"
2141     TMPO=$(basename $TMPC .c).o
2142     append TMPFILES $TMPO
2143     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2144     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2145     AS_DEPFLAGS='-MMD'
2146     speed_cflags='-O3 -mf=5'
2147     size_cflags='-O3 -mf=2'
2148     filter_cflags=tms470_flags
2149     tms470_flags(){
2150         for flag; do
2151             case $flag in
2152                 -march=*|-mcpu=*)
2153                     case "${flag#*=}" in
2154                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2155                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2156                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2157                         armv6*|arm11*)          echo -mv=6   ;;
2158                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2159                                                 echo -mv=5e  ;;
2160                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2161                     esac
2162                     ;;
2163                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2164                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2165                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2166                 -msoft-float)   echo --float_support=vfplib       ;;
2167                 -O[0-3]|-mf=*)  echo $flag                        ;;
2168                 -g)             echo -g -mn                       ;;
2169                 -pds=*)         echo $flag                        ;;
2170             esac
2171         done
2172     }
2173 elif $cc -v 2>&1 | grep -q clang; then
2174     cc_type=clang
2175     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2176         cc_version=__clang_version__ || cc_version=__VERSION__
2177     cc_ident=$($cc --version | head -n1)
2178     CC_DEPFLAGS='-MMD'
2179     AS_DEPFLAGS='-MMD'
2180     speed_cflags='-O3'
2181     size_cflags='-Os'
2182 elif $cc -V 2>&1 | grep -q Sun; then
2183     cc_type=suncc
2184     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2185     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2186     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2187     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2188     add_ldflags -xc99
2189     speed_cflags='-O5'
2190     size_cflags='-O5 -xspace'
2191     filter_cflags=suncc_flags
2192     suncc_flags(){
2193         for flag; do
2194             case $flag in
2195                 -march=*|-mcpu=*)
2196                     case "${flag#*=}" in
2197                         native)                   echo -xtarget=native       ;;
2198                         v9|niagara)               echo -xarch=sparc          ;;
2199                         ultrasparc)               echo -xarch=sparcvis       ;;
2200                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2201                         i586|pentium)             echo -xchip=pentium        ;;
2202                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2203                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2204                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2205                         pentium4*)          echo -xtarget=pentium4           ;;
2206                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2207                         *-sse3)             echo -xarch=sse3                 ;;
2208                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2209                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2210                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2211                         k8|opteron|athlon64|athlon-fx)
2212                                                   echo -xarch=sse2a          ;;
2213                         athlon*)                  echo -xarch=pentium_proa   ;;
2214                     esac
2215                     ;;
2216                 -std=c99)             echo -xc99              ;;
2217                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2218                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2219                 -W*,*)                echo $flag              ;;
2220                 -f*-*|-W*)                                    ;;
2221                 *)                    echo $flag              ;;
2222             esac
2223         done
2224     }
2225 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2226     cc_type=pathscale
2227     cc_version=__PATHSCALE__
2228     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2229     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2230     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2231     speed_cflags='-O2'
2232     size_cflags='-Os'
2233     filter_cflags='filter_out -Wdisabled-optimization'
2234 elif $cc -v 2>&1 | grep -q Open64; then
2235     cc_type=open64
2236     cc_version=__OPEN64__
2237     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2238     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2239     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2240     speed_cflags='-O2'
2241     size_cflags='-Os'
2242     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2243 fi
2244
2245 test -n "$cc_type" && enable $cc_type ||
2246     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2247
2248 : ${as_default:=$cc}
2249 : ${dep_cc_default:=$cc}
2250 : ${ld_default:=$cc}
2251 set_default ar as dep_cc ld
2252
2253 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2254 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2255 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2256
2257 add_cflags $extra_cflags
2258 add_cxxflags $extra_cxxflags
2259 add_asflags $extra_cflags
2260
2261 if test -n "$sysroot"; then
2262     case "$cc_type" in
2263         gcc|llvm_gcc|clang)
2264             add_cppflags --sysroot="$sysroot"
2265             add_ldflags --sysroot="$sysroot"
2266         ;;
2267         tms470)
2268             add_cppflags -I"$sysinclude"
2269             add_ldflags  --sysroot="$sysroot"
2270         ;;
2271     esac
2272 fi
2273
2274 if test "$cpu" = host; then
2275     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2276
2277     case "$cc_type" in
2278         gcc|llvm_gcc)
2279             check_native(){
2280                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2281                 sed -n "/cc1.*$1=/{
2282                             s/.*$1=\\([^ ]*\\).*/\\1/
2283                             p
2284                             q
2285                         }" $TMPE
2286             }
2287             cpu=$(check_native -march || check_native -mcpu)
2288         ;;
2289     esac
2290
2291     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2292 fi
2293
2294 # Deal with common $arch aliases
2295 case "$arch" in
2296     arm*)
2297         arch="arm"
2298     ;;
2299     mips|mipsel|IP*)
2300         arch="mips"
2301     ;;
2302     mips64*)
2303         arch="mips"
2304         subarch="mips64"
2305     ;;
2306     parisc|hppa)
2307         arch="parisc"
2308     ;;
2309     parisc64|hppa64)
2310         arch="parisc"
2311         subarch="parisc64"
2312     ;;
2313     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2314         arch="ppc"
2315     ;;
2316     s390|s390x)
2317         arch="s390"
2318     ;;
2319     sh4|sh)
2320         arch="sh4"
2321     ;;
2322     sun4u|sparc64)
2323         arch="sparc"
2324         subarch="sparc64"
2325     ;;
2326     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2327         arch="x86"
2328     ;;
2329 esac
2330
2331 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2332 enable $arch
2333
2334 # Add processor-specific flags
2335 if test "$cpu" = generic; then
2336     : do nothing
2337 elif enabled ppc; then
2338
2339     case $(tolower $cpu) in
2340         601|ppc601|powerpc601)
2341             cpuflags="-mcpu=601"
2342             disable altivec
2343         ;;
2344         603*|ppc603*|powerpc603*)
2345             cpuflags="-mcpu=603"
2346             disable altivec
2347         ;;
2348         604*|ppc604*|powerpc604*)
2349             cpuflags="-mcpu=604"
2350             disable altivec
2351         ;;
2352         g3|75*|ppc75*|powerpc75*)
2353             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2354             disable altivec
2355         ;;
2356         g4|745*|ppc745*|powerpc745*)
2357             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2358         ;;
2359         74*|ppc74*|powerpc74*)
2360             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2361         ;;
2362         g5|970|ppc970|powerpc970|power4*)
2363             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2364         ;;
2365         cell)
2366             cpuflags="-mcpu=cell"
2367             enable ldbrx
2368         ;;
2369         e500v2)
2370             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2371             disable altivec
2372         ;;
2373         e500)
2374             cpuflags="-mcpu=8540 -mhard-float"
2375             disable altivec
2376         ;;
2377     esac
2378
2379 elif enabled x86; then
2380
2381     case $cpu in
2382         i[345]86|pentium)
2383             cpuflags="-march=$cpu"
2384             disable mmx
2385         ;;
2386         # targets that do NOT support conditional mov (cmov)
2387         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2388             cpuflags="-march=$cpu"
2389             disable cmov
2390         ;;
2391         # targets that do support conditional mov (cmov)
2392         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2393             cpuflags="-march=$cpu"
2394             enable cmov
2395             enable fast_cmov
2396         ;;
2397         # targets that do support conditional mov but on which it's slow
2398         pentium4|pentium4m|prescott|nocona)
2399             cpuflags="-march=$cpu"
2400             enable cmov
2401             disable fast_cmov
2402         ;;
2403     esac
2404
2405 elif enabled sparc; then
2406
2407     case $cpu in
2408         niagara)
2409             cpuflags="-mcpu=$cpu"
2410             disable vis
2411         ;;
2412         sparc64)
2413             cpuflags="-mcpu=v9"
2414         ;;
2415     esac
2416
2417 elif enabled arm; then
2418
2419     case $cpu in
2420         armv*)
2421             cpuflags="-march=$cpu"
2422             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2423         ;;
2424         *)
2425             cpuflags="-mcpu=$cpu"
2426             case $cpu in
2427                 cortex-a*)                               subarch=armv7a  ;;
2428                 cortex-r*)                               subarch=armv7r  ;;
2429                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2430                 arm11*)                                  subarch=armv6   ;;
2431                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2432                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2433             esac
2434         ;;
2435     esac
2436
2437 elif enabled alpha; then
2438
2439     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2440
2441 elif enabled bfin; then
2442
2443     cpuflags="-mcpu=$cpu"
2444
2445 elif enabled mips; then
2446
2447     cpuflags="-march=$cpu"
2448
2449 elif enabled avr32; then
2450
2451     case $cpu in
2452         ap7[02]0[0-2])
2453             subarch="avr32_ap"
2454             cpuflags="-mpart=$cpu"
2455         ;;
2456         ap)
2457             subarch="avr32_ap"
2458             cpuflags="-march=$cpu"
2459         ;;
2460         uc3[ab]*)
2461             subarch="avr32_uc"
2462             cpuflags="-mcpu=$cpu"
2463         ;;
2464         uc)
2465             subarch="avr32_uc"
2466             cpuflags="-march=$cpu"
2467         ;;
2468     esac
2469
2470 fi
2471
2472 add_cflags $cpuflags
2473 add_asflags $cpuflags
2474
2475 # compiler sanity check
2476 check_exec <<EOF
2477 int main(void){ return 0; }
2478 EOF
2479 if test "$?" != 0; then
2480     echo "$cc is unable to create an executable file."
2481     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2482         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2483         echo "Only do this if you know what cross compiling means."
2484     fi
2485     die "C compiler test failed."
2486 fi
2487
2488 add_cppflags -D_ISOC99_SOURCE
2489 add_cxxflags -D__STDC_CONSTANT_MACROS
2490 check_cflags -std=c99
2491 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2492 #include <stdlib.h>
2493 EOF
2494 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2495 #include <stdlib.h>
2496 EOF
2497
2498 check_host_cflags -std=c99
2499 check_host_cflags -Wall
2500
2501 case "$arch" in
2502     alpha|ia64|mips|parisc|sparc)
2503         spic=$shared
2504     ;;
2505     x86)
2506         subarch="x86_32"
2507         check_cc <<EOF && subarch="x86_64"
2508         int test[(int)sizeof(char*) - 7];
2509 EOF
2510         if test "$subarch" = "x86_64"; then
2511             spic=$shared
2512         fi
2513     ;;
2514     ppc)
2515         check_cc <<EOF && subarch="ppc64"
2516         int test[(int)sizeof(char*) - 7];
2517 EOF
2518     ;;
2519 esac
2520
2521 enable $subarch
2522 enabled spic && enable pic
2523
2524 # OS specific
2525 case $target_os in
2526     haiku)
2527         prefix_default="/boot/common"
2528         network_extralibs="-lnetwork"
2529         host_libs=
2530         ;;
2531     sunos)
2532         FFSERVERLDFLAGS=""
2533         SHFLAGS='-shared -Wl,-h,$$(@F)'
2534         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2535         network_extralibs="-lsocket -lnsl"
2536         add_cppflags -D__EXTENSIONS__
2537         # When using suncc to build, the Solaris linker will mark
2538         # an executable with each instruction set encountered by
2539         # the Solaris assembler.  As our libraries contain their own
2540         # guards for processor-specific code, instead suppress
2541         # generation of the HWCAPS ELF section on Solaris x86 only.
2542         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2543         nm_opts='-P -g'
2544         ;;
2545     netbsd)
2546         disable symver
2547         oss_indev_extralibs="-lossaudio"
2548         oss_outdev_extralibs="-lossaudio"
2549         ;;
2550     openbsd)
2551         enable malloc_aligned
2552         # On OpenBSD 4.5. the compiler does not use PIC unless
2553         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2554         # however the generated executable will not do anything
2555         # (simply quits with exit-code 1, no crash, no output).
2556         # Thus explicitly enable PIC here.
2557         enable pic
2558         disable symver
2559         SHFLAGS='-shared'
2560         oss_indev_extralibs="-lossaudio"
2561         oss_outdev_extralibs="-lossaudio"
2562         ;;
2563     dragonfly)
2564         enable malloc_aligned
2565         disable symver
2566         ;;
2567     freebsd)
2568         enable malloc_aligned
2569         ;;
2570     bsd/os)
2571         add_extralibs -lpoll -lgnugetopt
2572         strip="strip -d"
2573         ;;
2574     darwin)
2575         enable malloc_aligned
2576         gas="gas-preprocessor.pl $cc"
2577         enabled ppc && add_asflags -force_cpusubtype_ALL
2578         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2579         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2580         strip="${strip} -x"
2581         add_ldflags -Wl,-dynamic,-search_paths_first
2582         SLIBSUF=".dylib"
2583         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2584         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2585         FFSERVERLDFLAGS=-Wl,-bind_at_load
2586         objformat="macho"
2587         enabled x86_64 && objformat="macho64"
2588         enabled_any pic shared ||
2589             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2590         ;;
2591     mingw32*)
2592         if test $target_os = "mingw32ce"; then
2593             disable network
2594         else
2595             target_os=mingw32
2596         fi
2597         LIBTARGET=i386
2598         if enabled x86_64; then
2599             enable malloc_aligned
2600             LIBTARGET=x64
2601         elif enabled arm; then
2602             LIBTARGET=arm-wince
2603         fi
2604         shlibdir_default="$bindir_default"
2605         SLIBPREF=""
2606         SLIBSUF=".dll"
2607         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2608         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2609         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2610         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2611         SLIB_INSTALL_LINKS=
2612         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2613         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2614         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'
2615         objformat="win32"
2616         enable dos_paths
2617         check_cflags -fno-common
2618         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2619                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2620                 die "ERROR: MinGW runtime version must be >= 3.15."
2621         add_cppflags -U__STRICT_ANSI__
2622         ;;
2623     cygwin*)
2624         target_os=cygwin
2625         shlibdir_default="$bindir_default"
2626         SLIBPREF="cyg"
2627         SLIBSUF=".dll"
2628         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2629         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2630         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2631         objformat="win32"
2632         enable dos_paths
2633         check_cflags -fno-common
2634         add_cppflags -U__STRICT_ANSI__
2635         ;;
2636     *-dos|freedos|opendos)
2637         network_extralibs="-lsocket"
2638         objformat="coff"
2639         enable dos_paths
2640         add_cppflags -U__STRICT_ANSI__
2641         ;;
2642     linux)
2643         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2644         enable dv1394
2645         ;;
2646     irix*)
2647         target_os=irix
2648         ranlib="echo ignoring ranlib"
2649         ;;
2650     os/2*)
2651         strip="lxlite -CS"
2652         ln_s="cp -f"
2653         objformat="aout"
2654         add_cppflags -D_GNU_SOURCE
2655         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2656         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2657         FFSERVERLDFLAGS=""
2658         LIBSUF="_s.a"
2659         SLIBPREF=""
2660         SLIBSUF=".dll"
2661         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2662         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2663         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2664           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2665           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2666           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2667           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2668           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2669         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2670           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2671         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2672         enable dos_paths
2673         enable_weak os2threads
2674         ;;
2675     gnu/kfreebsd)
2676         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2677         ;;
2678     gnu)
2679         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2680         ;;
2681     qnx)
2682         add_cppflags -D_QNX_SOURCE
2683         network_extralibs="-lsocket"
2684         ;;
2685     symbian)
2686         SLIBSUF=".dll"
2687         enable dos_paths
2688         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2689         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2690         add_ldflags -Wl,--target1-abs,--no-undefined \
2691                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2692                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2693         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2694                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2695                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2696         ;;
2697     none)
2698         ;;
2699     *)
2700         die "Unknown OS '$target_os'."
2701         ;;
2702 esac
2703
2704 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2705
2706 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2707
2708 set_default $PATHS_LIST
2709
2710 # we need to build at least one lib type
2711 if ! enabled_any static shared; then
2712     cat <<EOF
2713 At least one library type must be built.
2714 Specify --enable-static to build the static libraries or --enable-shared to
2715 build the shared libraries as well. To only build the shared libraries specify
2716 --disable-static in addition to --enable-shared.
2717 EOF
2718     exit 1;
2719 fi
2720
2721 die_license_disabled() {
2722     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2723 }
2724
2725 die_license_disabled gpl libcdio
2726 die_license_disabled gpl libx264
2727 die_license_disabled gpl libxavs
2728 die_license_disabled gpl libxvid
2729 die_license_disabled gpl x11grab
2730
2731 die_license_disabled nonfree libaacplus
2732 die_license_disabled nonfree libfaac
2733 die_license_disabled nonfree openssl
2734
2735 die_license_disabled version3 libopencore_amrnb
2736 die_license_disabled version3 libopencore_amrwb
2737 die_license_disabled version3 libvo_aacenc
2738 die_license_disabled version3 libvo_amrwbenc
2739
2740 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2741
2742 disabled optimizations || check_cflags -fomit-frame-pointer
2743
2744 enable_pic() {
2745     enable pic
2746     add_cppflags -DPIC
2747     add_cflags   -fPIC
2748     add_asflags  -fPIC
2749 }
2750
2751 enabled pic && enable_pic
2752
2753 check_cc <<EOF || die "Symbol mangling check failed."
2754 int ff_extern;
2755 EOF
2756 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2757 extern_prefix=${sym%%ff_extern*}
2758
2759 check_cc <<EOF && enable inline_asm
2760 void foo(void) { __asm__ volatile ("" ::); }
2761 EOF
2762
2763 _restrict=
2764 for restrict_keyword in restrict __restrict__ __restrict; do
2765     check_cc <<EOF && _restrict=$restrict_keyword && break
2766 void foo(char * $restrict_keyword p);
2767 EOF
2768 done
2769
2770 check_cc <<EOF && enable attribute_packed
2771 struct { int x; } __attribute__((packed)) x;
2772 EOF
2773
2774 check_cc <<EOF && enable attribute_may_alias
2775 union { int x; } __attribute__((may_alias)) x;
2776 EOF
2777
2778 check_cc <<EOF || die "endian test failed"
2779 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2780 EOF
2781 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2782
2783 if enabled alpha; then
2784
2785     check_cflags -mieee
2786
2787 elif enabled arm; then
2788
2789     enabled thumb && check_cflags -mthumb || check_cflags -marm
2790     nogas=die
2791
2792     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2793         enable vfp_args
2794     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2795         case "${cross_prefix:-$cc}" in
2796             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2797             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2798 __asm__ (".eabi_attribute 28, 1");
2799 int main(void) { return 0; }
2800 EOF
2801         esac
2802         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2803     fi
2804
2805     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2806     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2807     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2808     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2809     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2810     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2811     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2812
2813     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2814
2815     enabled_all armv6t2 shared !pic && enable_pic
2816
2817 elif enabled mips; then
2818
2819     check_asm loongson '"dmult.g $1, $2, $3"'
2820     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2821
2822 elif enabled ppc; then
2823
2824     enable local_aligned_8 local_aligned_16
2825
2826     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2827     check_asm ibm_asm   '"add 0, 0, 0"'
2828     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2829     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2830
2831     # AltiVec flags: The FSF version of GCC differs from the Apple version
2832     if enabled altivec; then
2833         nogas=warn
2834         check_cflags -maltivec -mabi=altivec &&
2835         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2836         check_cflags -faltivec
2837
2838         # check if our compiler supports Motorola AltiVec C API
2839         check_cc <<EOF || disable altivec
2840 $inc_altivec_h
2841 int main(void) {
2842     vector signed int v1, v2, v3;
2843     v1 = vec_add(v2,v3);
2844     return 0;
2845 }
2846 EOF
2847
2848         # check if our compiler supports braces for vector declarations
2849         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2850 $inc_altivec_h
2851 int main (void) { (vector int) {1}; return 0; }
2852 EOF
2853     fi
2854
2855 elif enabled sparc; then
2856
2857     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2858         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2859
2860 elif enabled x86; then
2861
2862     enable local_aligned_8 local_aligned_16
2863
2864     # check whether EBP is available on x86
2865     # As 'i' is stored on the stack, this program will crash
2866     # if the base pointer is used to access it because the
2867     # base pointer is cleared in the inline assembly code.
2868     check_exec_crash <<EOF && enable ebp_available
2869     volatile int i=0;
2870     __asm__ volatile (
2871         "xorl %%ebp, %%ebp"
2872     ::: "%ebp");
2873     return i;
2874 EOF
2875
2876     # check whether EBX is available on x86
2877     check_asm ebx_available '""::"b"(0)' &&
2878         check_asm ebx_available '"":::"%ebx"'
2879
2880     # check whether xmm clobbers are supported
2881     check_asm xmm_clobbers '"":::"%xmm0"'
2882
2883     # check whether binutils is new enough to compile SSSE3/MMX2
2884     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2885     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2886
2887     check_asm bswap '"bswap %%eax" ::: "%eax"'
2888
2889     if ! disabled_any asm mmx yasm; then
2890         if check_cmd $yasmexe --version; then
2891             enabled x86_64 && yasm_extra="-m amd64"
2892             yasm_debug="-g dwarf2"
2893         elif check_cmd nasm -v; then
2894             yasmexe=nasm
2895             yasm_debug="-g -F dwarf"
2896             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2897         fi
2898
2899         YASMFLAGS="-f $objformat $yasm_extra"
2900         enabled pic               && append YASMFLAGS "-DPIC"
2901         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2902         case "$objformat" in
2903             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2904         esac
2905
2906         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2907             die "yasm not found, use --disable-yasm for a crippled build"
2908         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2909     fi
2910
2911     case "$cpu" in
2912         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2913             disable fast_clz
2914         ;;
2915     esac
2916
2917 fi
2918
2919 if enabled asm; then
2920     as=${gas:=$as}
2921     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2922         $nogas "GNU assembler not found, install gas-preprocessor"
2923 fi
2924
2925 check_ldflags -Wl,--as-needed
2926
2927 if check_func dlopen; then
2928     ldl=
2929 elif check_func dlopen -ldl; then
2930     ldl=-ldl
2931 fi
2932
2933 if enabled network; then
2934     check_type "sys/types.h sys/socket.h" socklen_t
2935     check_type netdb.h "struct addrinfo"
2936     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2937     check_type netinet/in.h "struct sockaddr_in6"
2938     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2939     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2940     # Prefer arpa/inet.h over winsock2
2941     if check_header arpa/inet.h ; then
2942         check_func closesocket
2943     elif check_header winsock2.h ; then
2944         check_func_headers winsock2.h closesocket -lws2 && \
2945             network_extralibs="-lws2" || \
2946         { check_func_headers winsock2.h closesocket -lws2_32 && \
2947             network_extralibs="-lws2_32"; }
2948         check_type ws2tcpip.h socklen_t
2949         check_type ws2tcpip.h "struct addrinfo"
2950         check_type ws2tcpip.h "struct ipv6_mreq"
2951         check_type ws2tcpip.h "struct sockaddr_in6"
2952         check_type ws2tcpip.h "struct sockaddr_storage"
2953         check_struct winsock2.h "struct sockaddr" sa_len
2954     else
2955         disable network
2956     fi
2957 fi
2958
2959 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2960 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2961
2962 check_func  fcntl
2963 check_func  fork
2964 check_func  getaddrinfo $network_extralibs
2965 check_func  gethrtime
2966 check_func  getrusage
2967 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2968 check_func  inet_aton $network_extralibs
2969 check_func  isatty
2970 check_func  localtime_r
2971 check_func  ${malloc_prefix}memalign            && enable memalign
2972 check_func  mkstemp
2973 check_func  mmap
2974 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2975 check_func  setrlimit
2976 check_func  strerror_r
2977 check_func  strptime
2978 check_func_headers conio.h kbhit
2979 check_func_headers windows.h PeekNamedPipe
2980 check_func_headers io.h setmode
2981 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2982 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2983 check_func_headers windows.h GetProcessTimes
2984 check_func_headers windows.h MapViewOfFile
2985 check_func_headers windows.h VirtualAlloc
2986
2987 check_header dlfcn.h
2988 check_header dxva2api.h -D_WIN32_WINNT=0x0600
2989 check_header libcrystalhd/libcrystalhd_if.h
2990 check_header malloc.h
2991 check_header poll.h
2992 check_header sys/mman.h
2993 check_header sys/resource.h
2994 check_header sys/select.h
2995 check_header termios.h
2996 check_header vdpau/vdpau.h
2997 check_header vdpau/vdpau_x11.h
2998 check_header X11/extensions/XvMClib.h
2999
3000 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3001 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3002
3003 # check for VDA header
3004 if ! disabled vda; then
3005     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3006         enable vda
3007         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3008     fi
3009 fi
3010
3011 if ! disabled w32threads && ! enabled pthreads; then
3012     check_func _beginthreadex && enable w32threads
3013 fi
3014
3015 # check for some common methods of building with pthread support
3016 # do this before the optional library checks as some of them require pthreads
3017 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3018     enable pthreads
3019     if check_func pthread_create; then
3020         :
3021     elif check_func pthread_create -pthread; then
3022         add_cflags -pthread
3023         add_extralibs -pthread
3024     elif check_func pthread_create -pthreads; then
3025         add_cflags -pthreads
3026         add_extralibs -pthreads
3027     elif check_func pthread_create -lpthreadGC2; then
3028         add_extralibs -lpthreadGC2
3029     elif ! check_lib pthread.h pthread_create -lpthread; then
3030         disable pthreads
3031     fi
3032 fi
3033
3034 for thread in $THREADS_LIST; do
3035     if enabled $thread; then
3036         test -n "$thread_type" &&
3037             die "ERROR: Only one thread type must be selected." ||
3038             thread_type="$thread"
3039     fi
3040 done
3041
3042 check_lib math.h sin -lm && LIBM="-lm"
3043 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3044 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3045
3046 check_mathfunc cbrtf
3047 check_mathfunc exp2
3048 check_mathfunc exp2f
3049 check_mathfunc llrint
3050 check_mathfunc llrintf
3051 check_mathfunc log2
3052 check_mathfunc log2f
3053 check_mathfunc lrint
3054 check_mathfunc lrintf
3055 check_mathfunc round
3056 check_mathfunc roundf
3057 check_mathfunc trunc
3058 check_mathfunc truncf
3059
3060 # these are off by default, so fail if requested and not available
3061 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3062 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3063 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3064 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3065 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3066 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0
3067 enabled libdc1394  && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
3068 enabled libdirac   && require_pkg_config dirac                          \
3069     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
3070     "dirac_decoder_init dirac_encoder_init"
3071 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3072 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3073 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3074 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3075 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3076 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3077 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3078 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3079 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3080 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3081 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3082 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3083 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3084 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3085 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3086     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3087     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3088 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3089 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3090 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3091 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3092 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3093 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3094 enabled libvpx     && {
3095     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3096                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3097     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3098                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3099 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3100                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3101                         die "ERROR: libx264 version must be >= 0.118."; }
3102 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3103 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3104 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3105                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3106                         die "ERROR: openal not found"; } &&
3107                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3108                         die "ERROR: openal version must be 1.1 or compatible"; }
3109 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
3110 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3111                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3112                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3113                         die "ERROR: openssl not found"; }
3114
3115 SDL_CONFIG="${cross_prefix}sdl-config"
3116 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3117     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3118     enable sdl &&
3119     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3120 else
3121   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3122     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3123     sdl_libs=$("${SDL_CONFIG}" --libs)
3124     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3125     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3126     enable sdl &&
3127     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3128   fi
3129 fi
3130 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3131
3132 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3133
3134 check_header linux/fb.h
3135 check_header linux/videodev.h
3136 check_header linux/videodev2.h
3137 check_header sys/videoio.h
3138
3139 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3140 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3141 # w32api 3.12 had it defined wrong
3142 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3143
3144 check_type "dshow.h" IBaseFilter
3145
3146 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3147 { check_header dev/bktr/ioctl_meteor.h &&
3148   check_header dev/bktr/ioctl_bt848.h; } ||
3149 { check_header machine/ioctl_meteor.h &&
3150   check_header machine/ioctl_bt848.h; } ||
3151 { check_header dev/video/meteor/ioctl_meteor.h &&
3152   check_header dev/video/bktr/ioctl_bt848.h; } ||
3153 check_header dev/ic/bt8xx.h
3154
3155 check_header sndio.h
3156 if check_struct sys/soundcard.h audio_buf_info bytes; then
3157     enable_safe sys/soundcard.h
3158 else
3159     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3160     #include <sys/soundcard.h>
3161     audio_buf_info abc;
3162 EOF
3163 fi
3164 check_header soundcard.h
3165
3166 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3167
3168 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3169
3170 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3171
3172 enabled libcdio &&
3173     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3174
3175 enabled x11grab                         &&
3176 check_header X11/Xlib.h                 &&
3177 check_header X11/extensions/XShm.h      &&
3178 check_header X11/extensions/Xfixes.h    &&
3179 check_func XOpenDisplay -lX11           &&
3180 check_func XShmCreateImage -lX11 -lXext &&
3181 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3182
3183 if ! disabled vaapi; then
3184     check_lib va/va.h vaInitialize -lva && {
3185         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3186         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3187     } || disable vaapi
3188 fi
3189
3190 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3191 check_cpp_condition \
3192     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3193     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3194       disable vdpau; }
3195 fi
3196
3197 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3198 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3199
3200 # add some useful compiler flags if supported
3201 check_cflags -Wdeclaration-after-statement
3202 check_cflags -Wall
3203 check_cflags -Wno-parentheses
3204 check_cflags -Wno-switch
3205 check_cflags -Wno-format-zero-length
3206 check_cflags -Wdisabled-optimization
3207 check_cflags -Wpointer-arith
3208 check_cflags -Wredundant-decls
3209 check_cflags -Wno-pointer-sign
3210 check_cflags -Wcast-qual
3211 check_cflags -Wwrite-strings
3212 check_cflags -Wtype-limits
3213 check_cflags -Wundef
3214 check_cflags -Wmissing-prototypes
3215 check_cflags -Wno-pointer-to-int-cast
3216 check_cflags -Wstrict-prototypes
3217 enabled extra_warnings && check_cflags -Winline
3218
3219 # add some linker flags
3220 check_ldflags -Wl,--warn-common
3221 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3222 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3223
3224 echo "X{};" > $TMPV
3225 if test_ldflags -Wl,--version-script,$TMPV; then
3226     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3227     check_cc <<EOF && enable symver_asm_label
3228 void ff_foo(void) __asm__ ("av_foo@VERSION");
3229 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3230 EOF
3231     check_cc <<EOF && enable symver_gnu_asm
3232 __asm__(".symver ff_foo,av_foo@VERSION");
3233 void ff_foo(void) {}
3234 EOF
3235 fi
3236
3237 if [ -n "$optflags" ]; then
3238     add_cflags $optflags
3239 elif enabled small; then
3240     add_cflags $size_cflags
3241 elif enabled optimizations; then
3242     add_cflags $speed_cflags
3243 else
3244     add_cflags $noopt_cflags
3245 fi
3246 check_cflags -fno-math-errno
3247 check_cflags -fno-signed-zeros
3248 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3249 int x;
3250 EOF
3251
3252
3253 if enabled icc; then
3254     # Just warnings, no remarks
3255     check_cflags -w1
3256     # -wd: Disable following warnings
3257     # 144, 167, 556: -Wno-pointer-sign
3258     # 1292: attribute "foo" ignored
3259     # 10006: ignoring unknown option -fno-signed-zeros
3260     # 10148: ignoring unknown option -Wno-parentheses
3261     # 10156: ignoring option '-W'; no argument required
3262     check_cflags -wd144,167,556,1292,10006,10148,10156
3263     # 11030: Warning unknown option --as-needed
3264     # 10156: ignoring option '-export'; no argument required
3265     check_ldflags -wd10156,11030
3266     # Allow to compile with optimizations
3267     check_ldflags -march=$cpu
3268     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3269     enable ebp_available
3270     if enabled x86_32; then
3271         test ${icc_version%%.*} -ge 11 && \
3272             check_cflags -falign-stack=maintain-16-byte || \
3273             disable aligned_stack
3274     fi
3275 elif enabled ccc; then
3276     # disable some annoying warnings
3277     add_cflags -msg_disable cvtu32to64
3278     add_cflags -msg_disable embedcomment
3279     add_cflags -msg_disable needconstext
3280     add_cflags -msg_disable nomainieee
3281     add_cflags -msg_disable ptrmismatch1
3282     add_cflags -msg_disable unreachcode
3283 elif enabled gcc; then
3284     check_cflags -fno-tree-vectorize
3285     check_cflags -Werror=implicit-function-declaration
3286     check_cflags -Werror=missing-prototypes
3287 elif enabled llvm_gcc; then
3288     check_cflags -mllvm -stack-alignment=16
3289 elif enabled clang; then
3290     check_cflags -mllvm -stack-alignment=16
3291     check_cflags -Qunused-arguments
3292 elif enabled armcc; then
3293     # 2523: use of inline assembler is deprecated
3294     add_cflags -W${armcc_opt},--diag_suppress=2523
3295     add_cflags -W${armcc_opt},--diag_suppress=1207
3296     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3297     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3298     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3299     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3300 elif enabled tms470; then
3301     add_cflags -pds=824 -pds=837
3302 elif enabled pathscale; then
3303     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3304 fi
3305
3306 enabled_any $THREADS_LIST      && enable threads
3307
3308 check_deps $CONFIG_LIST       \
3309            $CONFIG_EXTRA      \
3310            $HAVE_LIST         \
3311            $DECODER_LIST      \
3312            $ENCODER_LIST      \
3313            $HWACCEL_LIST      \
3314            $PARSER_LIST       \
3315            $BSF_LIST          \
3316            $DEMUXER_LIST      \
3317            $MUXER_LIST        \
3318            $FILTER_LIST       \
3319            $INDEV_LIST        \
3320            $OUTDEV_LIST       \
3321            $PROTOCOL_LIST     \
3322            $ACODEC_TESTS      \
3323            $VCODEC_TESTS      \
3324            $LAVF_TESTS        \
3325            $LAVFI_TESTS       \
3326            $SEEK_TESTS        \
3327
3328 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3329
3330 if test $target_os = "haiku"; then
3331     disable memalign
3332     disable posix_memalign
3333 fi
3334
3335 ! enabled_any memalign posix_memalign malloc_aligned &&
3336     enabled_any $need_memalign && enable memalign_hack
3337
3338 echo "install prefix            $prefix"
3339 echo "source path               $source_path"
3340 echo "C compiler                $cc"
3341 echo "ARCH                      $arch ($cpu)"
3342 if test "$build_suffix" != ""; then
3343     echo "build suffix              $build_suffix"
3344 fi
3345 if test "$progs_suffix" != ""; then
3346     echo "progs suffix              $progs_suffix"
3347 fi
3348 if test "$extra_version" != ""; then
3349     echo "version string suffix     $extra_version"
3350 fi
3351 echo "big-endian                ${bigendian-no}"
3352 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3353 if enabled x86; then
3354     echo "${yasmexe}                      ${yasm-no}"
3355     echo "MMX enabled               ${mmx-no}"
3356     echo "MMX2 enabled              ${mmx2-no}"
3357     echo "3DNow! enabled            ${amd3dnow-no}"
3358     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3359     echo "SSE enabled               ${sse-no}"
3360     echo "SSSE3 enabled             ${ssse3-no}"
3361     echo "AVX enabled               ${avx-no}"
3362     echo "CMOV enabled              ${cmov-no}"
3363     echo "CMOV is fast              ${fast_cmov-no}"
3364     echo "EBX available             ${ebx_available-no}"
3365     echo "EBP available             ${ebp_available-no}"
3366 fi
3367 if enabled arm; then
3368     echo "ARMv5TE enabled           ${armv5te-no}"
3369     echo "ARMv6 enabled             ${armv6-no}"
3370     echo "ARMv6T2 enabled           ${armv6t2-no}"
3371     echo "ARM VFP enabled           ${armvfp-no}"
3372     echo "IWMMXT enabled            ${iwmmxt-no}"
3373     echo "NEON enabled              ${neon-no}"
3374 fi
3375 if enabled mips; then
3376     echo "MMI enabled               ${mmi-no}"
3377 fi
3378 if enabled ppc; then
3379     echo "AltiVec enabled           ${altivec-no}"
3380     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3381     echo "dcbzl available           ${dcbzl-no}"
3382 fi
3383 if enabled sparc; then
3384     echo "VIS enabled               ${vis-no}"
3385 fi
3386 echo "debug symbols             ${debug-no}"
3387 echo "strip symbols             ${stripping-no}"
3388 echo "optimize for size         ${small-no}"
3389 echo "optimizations             ${optimizations-no}"
3390 echo "static                    ${static-no}"
3391 echo "shared                    ${shared-no}"
3392 echo "postprocessing support    ${postproc-no}"
3393 echo "new filter support        ${avfilter-no}"
3394 echo "network support           ${network-no}"
3395 echo "threading support         ${thread_type-no}"
3396 echo "SDL support               ${sdl-no}"
3397 echo "Sun medialib support      ${mlib-no}"
3398 echo "libdxva2 enabled          ${dxva2-no}"
3399 echo "libva enabled             ${vaapi-no}"
3400 echo "libvdpau enabled          ${vdpau-no}"
3401 echo "AVISynth enabled          ${avisynth-no}"
3402 echo "frei0r enabled            ${frei0r-no}"
3403 echo "gnutls enabled            ${gnutls-no}"
3404 echo "libaacplus enabled        ${libaacplus-no}"
3405 echo "libass enabled            ${libass-no}"
3406 echo "libcdio support           ${libcdio-no}"
3407 echo "libcelt enabled           ${libcelt-no}"
3408 echo "libdc1394 support         ${libdc1394-no}"
3409 echo "libdirac enabled          ${libdirac-no}"
3410 echo "libfaac enabled           ${libfaac-no}"
3411 echo "libgsm enabled            ${libgsm-no}"
3412 echo "libmodplug enabled        ${libmodplug-no}"
3413 echo "libmp3lame enabled        ${libmp3lame-no}"
3414 echo "libnut enabled            ${libnut-no}"
3415 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3416 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3417 echo "libopencv support         ${libopencv-no}"
3418 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3419 echo "libpulse enabled          ${libpulse-no}"
3420 echo "librtmp enabled           ${librtmp-no}"
3421 echo "libschroedinger enabled   ${libschroedinger-no}"
3422 echo "libspeex enabled          ${libspeex-no}"
3423 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3424 echo "libtheora enabled         ${libtheora-no}"
3425 echo "libutvideo enabled        ${libutvideo-no}"
3426 echo "libv4l2 enabled           ${libv4l2-no}"
3427 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3428 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3429 echo "libvorbis enabled         ${libvorbis-no}"
3430 echo "libvpx enabled            ${libvpx-no}"
3431 echo "libx264 enabled           ${libx264-no}"
3432 echo "libxavs enabled           ${libxavs-no}"
3433 echo "libxvid enabled           ${libxvid-no}"
3434 echo "openal enabled            ${openal-no}"
3435 echo "openssl enabled           ${openssl-no}"
3436 echo "zlib enabled              ${zlib-no}"
3437 echo "bzlib enabled             ${bzlib-no}"
3438 echo
3439
3440 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3441     echo "Enabled ${type}s:"
3442     eval list=\$$(toupper $type)_LIST
3443     print_enabled '_*' $list | sort | pr -r -3 -t
3444     echo
3445 done
3446
3447 license="LGPL version 2.1 or later"
3448 if enabled nonfree; then
3449     license="nonfree and unredistributable"
3450 elif enabled gplv3; then
3451     license="GPL version 3 or later"
3452 elif enabled lgplv3; then
3453     license="LGPL version 3 or later"
3454 elif enabled gpl; then
3455     license="GPL version 2 or later"
3456 fi
3457
3458 echo "License: $license"
3459
3460 echo "Creating config.mak and config.h..."
3461
3462 test -e Makefile || $ln_s "$source_path/Makefile" .
3463
3464 enabled stripping || strip="echo skipping strip"
3465
3466 config_files="$TMPH config.mak"
3467
3468 cat > config.mak <<EOF
3469 # Automatically generated by configure - do not modify!
3470 ifndef FFMPEG_CONFIG_MAK
3471 FFMPEG_CONFIG_MAK=1
3472 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3473 prefix=$prefix
3474 LIBDIR=\$(DESTDIR)$libdir
3475 SHLIBDIR=\$(DESTDIR)$shlibdir
3476 INCDIR=\$(DESTDIR)$incdir
3477 BINDIR=\$(DESTDIR)$bindir
3478 DATADIR=\$(DESTDIR)$datadir
3479 MANDIR=\$(DESTDIR)$mandir
3480 SRC_PATH=$source_path
3481 ifndef MAIN_MAKEFILE
3482 SRC_PATH:=\$(SRC_PATH:.%=..%)
3483 endif
3484 CC_IDENT=$cc_ident
3485 ARCH=$arch
3486 CC=$cc
3487 CXX=$cxx
3488 AS=$as
3489 LD=$ld
3490 DEPCC=$dep_cc
3491 YASM=$yasmexe
3492 YASMDEP=$yasmexe
3493 AR=$ar
3494 RANLIB=$ranlib
3495 CP=cp -p
3496 LN_S=$ln_s
3497 STRIP=$strip
3498 CPPFLAGS=$CPPFLAGS
3499 CFLAGS=$CFLAGS
3500 CXXFLAGS=$CXXFLAGS
3501 ASFLAGS=$ASFLAGS
3502 AS_O=$CC_O
3503 CC_O=$CC_O
3504 CXX_O=$CXX_O
3505 LDFLAGS=$LDFLAGS
3506 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3507 SHFLAGS=$SHFLAGS
3508 YASMFLAGS=$YASMFLAGS
3509 BUILDSUF=$build_suffix
3510 PROGSSUF=$progs_suffix
3511 FULLNAME=$FULLNAME
3512 LIBPREF=$LIBPREF
3513 LIBSUF=$LIBSUF
3514 LIBNAME=$LIBNAME
3515 SLIBPREF=$SLIBPREF
3516 SLIBSUF=$SLIBSUF
3517 EXESUF=$EXESUF
3518 EXTRA_VERSION=$extra_version
3519 DEPFLAGS=$DEPFLAGS
3520 CCDEP=$CCDEP
3521 CXXDEP=$CXXDEP
3522 ASDEP=$ASDEP
3523 CC_DEPFLAGS=$CC_DEPFLAGS
3524 AS_DEPFLAGS=$AS_DEPFLAGS
3525 HOSTCC=$host_cc
3526 HOSTCFLAGS=$host_cflags
3527 HOSTEXESUF=$HOSTEXESUF
3528 HOSTLDFLAGS=$host_ldflags
3529 HOSTLIBS=$host_libs
3530 TARGET_EXEC=$target_exec
3531 TARGET_PATH=$target_path
3532 SDL_LIBS=$sdl_libs
3533 SDL_CFLAGS=$sdl_cflags
3534 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3535 EXTRALIBS=$extralibs
3536 INSTALL=$install
3537 LIBTARGET=${LIBTARGET}
3538 SLIBNAME=${SLIBNAME}
3539 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3540 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3541 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3542 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3543 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3544 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3545 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3546 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3547 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3548 NOREDZONE_FLAGS=$noredzone_flags
3549 EOF
3550
3551 get_version(){
3552     name=$1
3553     file=$source_path/$2
3554     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3555     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3556     lcname=$(tolower $name)
3557     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3558     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3559 }
3560
3561 get_version LIBSWSCALE  libswscale/swscale.h
3562 get_version LIBSWRESAMPLE libswresample/swresample.h
3563 get_version LIBPOSTPROC libpostproc/postprocess.h
3564 get_version LIBAVCODEC  libavcodec/version.h
3565 get_version LIBAVDEVICE libavdevice/avdevice.h
3566 get_version LIBAVFORMAT libavformat/version.h
3567 get_version LIBAVUTIL   libavutil/avutil.h
3568 get_version LIBAVFILTER libavfilter/avfilter.h
3569
3570 cat > $TMPH <<EOF
3571 /* Automatically generated by configure - do not modify! */
3572 #ifndef FFMPEG_CONFIG_H
3573 #define FFMPEG_CONFIG_H
3574 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3575 #define FFMPEG_LICENSE "$(c_escape $license)"
3576 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3577 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3578 #define CC_TYPE "$cc_type"
3579 #define CC_VERSION $cc_version
3580 #define restrict $_restrict
3581 #define EXTERN_PREFIX "${extern_prefix}"
3582 #define EXTERN_ASM ${extern_prefix}
3583 #define SLIBSUF "$SLIBSUF"
3584 EOF
3585
3586 test -n "$malloc_prefix" &&
3587     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3588
3589 if enabled small || disabled optimizations; then
3590     echo "#undef  av_always_inline"  >> $TMPH
3591     if enabled small; then
3592         echo "#define av_always_inline inline"  >> $TMPH
3593     else
3594         echo "#define av_always_inline av_unused"  >> $TMPH
3595     fi
3596 fi
3597
3598 if enabled yasm; then
3599     append config_files $TMPASM
3600     printf '' >$TMPASM
3601 fi
3602
3603 print_config ARCH_   "$config_files" $ARCH_LIST
3604 print_config HAVE_   "$config_files" $HAVE_LIST
3605 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3606                                      $CONFIG_EXTRA      \
3607                                      $DECODER_LIST      \
3608                                      $ENCODER_LIST      \
3609                                      $HWACCEL_LIST      \
3610                                      $PARSER_LIST       \
3611                                      $BSF_LIST          \
3612                                      $DEMUXER_LIST      \
3613                                      $MUXER_LIST        \
3614                                      $FILTER_LIST       \
3615                                      $PROTOCOL_LIST     \
3616                                      $INDEV_LIST        \
3617                                      $OUTDEV_LIST       \
3618
3619 cat >>config.mak <<EOF
3620 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3621 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3622 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3623 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3624 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3625 EOF
3626
3627 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3628 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3629
3630 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3631 cp_if_changed $TMPH config.h
3632 touch .config
3633
3634 enabled yasm && cp_if_changed $TMPASM config.asm
3635
3636 cat > $TMPH <<EOF
3637 /* Generated by ffconf */
3638 #ifndef AVUTIL_AVCONFIG_H
3639 #define AVUTIL_AVCONFIG_H
3640 EOF
3641
3642 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3643
3644 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3645
3646 cp_if_changed $TMPH libavutil/avconfig.h
3647
3648 test -n "$WARNINGS" && printf "\n$WARNINGS"
3649
3650 # build pkg-config files
3651
3652 pkgconfig_generate(){
3653 name=$1
3654 shortname=${name#lib}${build_suffix}
3655 comment=$2
3656 version=$3
3657 libs=$4
3658 requires=$5
3659 enabled ${name#lib} || return 0
3660 mkdir -p $name
3661 cat <<EOF > $name/$name.pc
3662 prefix=$prefix
3663 exec_prefix=\${prefix}
3664 libdir=$libdir
3665 includedir=$incdir
3666
3667 Name: $name
3668 Description: $comment
3669 Version: $version
3670 Requires: $(enabled shared || echo $requires)
3671 Requires.private: $(enabled shared && echo $requires)
3672 Conflicts:
3673 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3674 Libs.private: $(enabled shared && echo $libs)
3675 Cflags: -I\${includedir}
3676 EOF
3677 cat <<EOF > $name/$name-uninstalled.pc
3678 prefix=
3679 exec_prefix=
3680 libdir=\${pcfiledir}
3681 includedir=${source_path}
3682
3683 Name: $name
3684 Description: $comment
3685 Version: $version
3686 Requires: $requires
3687 Conflicts:
3688 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3689 Cflags: -I\${includedir}
3690 EOF
3691 }
3692
3693 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3694 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3695 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3696 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3697 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3698 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3699 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3700 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"