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   echo "Usage: configure [options]"
  59   echo "Options: [defaults in brackets after descriptions]"
  60   echo
  61   echo "Standard options:"
  62   echo "  --help                   print this message"
  63   echo "  --logfile=FILE           log tests and output to FILE [config.err]"
  64   echo "  --disable-logging        do not log configure debug information"
  65   echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
  66   echo "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"
  67   echo "  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]"
  68   echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
  69   echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
  70   echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
  71   echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
  72   echo
  73   echo "Configuration options:"
  74   echo "  --disable-static         do not build static libraries [no]"
  75   echo "  --enable-shared          build shared libraries [no]"
  76   echo "  --enable-gpl             allow use of GPL code, the resulting libs"
  77   echo "                           and binaries will be under GPL [no]"
  78   echo "  --enable-version3        upgrade (L)GPL to version 3 [no]"
  79   echo "  --enable-nonfree         allow use of nonfree code, the resulting libs"
  80   echo "                           and binaries will be unredistributable [no]"
  81   echo "  --disable-ffmpeg         disable ffmpeg build"
  82   echo "  --disable-ffplay         disable ffplay build"
  83   echo "  --disable-ffserver       disable ffserver build"
  84   echo "  --enable-postproc        enable GPLed postprocessing support [no]"
  85   echo "  --enable-avfilter        video filter support [no]"
  86   echo "  --enable-avfilter-lavf   video filters dependent on avformat [no]"
  87   echo "  --enable-beosthreads     use BeOS threads [no]"
  88   echo "  --enable-os2threads      use OS/2 threads [no]"
  89   echo "  --enable-pthreads        use pthreads [no]"
  90   echo "  --enable-w32threads      use Win32 threads [no]"
  91   echo "  --enable-x11grab         enable X11 grabbing [no]"
  92   echo "  --disable-network        disable network support [no]"
  93   echo "  --disable-ipv6           disable IPv6 support [no]"
  94   echo "  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]"
  95   echo "  --enable-gray            enable full grayscale support (slower color)"
  96   echo "  --disable-swscale-alpha  disable alpha channel support in swscale"
  97   echo "  --disable-fastdiv        disable table-based division"
  98   echo "  --enable-small           optimize for size instead of speed"
  99   echo "  --disable-aandct         disable AAN DCT code"
 100   echo "  --disable-fft            disable FFT code"
 101   echo "  --disable-golomb         disable Golomb code"
 102   echo "  --disable-mdct           disable MDCT code"
 103   echo "  --disable-rdft           disable RDFT code"
 104   echo "  --disable-vaapi          disable VAAPI code"
 105   echo "  --disable-vdpau          disable VDPAU code"
 106   echo "  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
 107   echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
 108   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 109   echo "  --enable-beos-netserver  enable BeOS netserver"
 110   echo "  --disable-encoder=NAME   disable encoder NAME"
 111   echo "  --enable-encoder=NAME    enable encoder NAME"
 112   echo "  --disable-encoders       disable all encoders"
 113   echo "  --disable-decoder=NAME   disable decoder NAME"
 114   echo "  --enable-decoder=NAME    enable decoder NAME"
 115   echo "  --disable-decoders       disable all decoders"
 116   echo "  --disable-hwaccel=NAME   disable hwaccel NAME"
 117   echo "  --enable-hwaccel=NAME    enable hwaccel NAME"
 118   echo "  --disable-hwaccels       disable all hwaccels"
 119   echo "  --disable-muxer=NAME     disable muxer NAME"
 120   echo "  --enable-muxer=NAME      enable muxer NAME"
 121   echo "  --disable-muxers         disable all muxers"
 122   echo "  --disable-demuxer=NAME   disable demuxer NAME"
 123   echo "  --enable-demuxer=NAME    enable demuxer NAME"
 124   echo "  --disable-demuxers       disable all demuxers"
 125   echo "  --enable-parser=NAME     enable parser NAME"
 126   echo "  --disable-parser=NAME    disable parser NAME"
 127   echo "  --disable-parsers        disable all parsers"
 128   echo "  --enable-bsf=NAME        enable bitstream filter NAME"
 129   echo "  --disable-bsf=NAME       disable bitstream filter NAME"
 130   echo "  --disable-bsfs           disable all bitstream filters"
 131   echo "  --enable-protocol=NAME   enable protocol NAME"
 132   echo "  --disable-protocol=NAME  disable protocol NAME"
 133   echo "  --disable-protocols      disable all protocols"
 134   echo "  --disable-indev=NAME     disable input device NAME"
 135   echo "  --disable-outdev=NAME    disable output device NAME"
 136   echo "  --disable-indevs         disable input devices"
 137   echo "  --disable-outdevs        disable output devices"
 138   echo "  --disable-devices        disable all devices"
 139   echo "  --enable-filter=NAME     enable filter NAME"
 140   echo "  --disable-filter=NAME    disable filter NAME"
 141   echo "  --disable-filters        disable all filters"
 142   echo "  --list-decoders          show all available decoders"
 143   echo "  --list-encoders          show all available encoders"
 144   echo "  --list-hwaccels          show all available hardware accelerators"
 145   echo "  --list-muxers            show all available muxers"
 146   echo "  --list-demuxers          show all available demuxers"
 147   echo "  --list-parsers           show all available parsers"
 148   echo "  --list-protocols         show all available protocols"
 149   echo "  --list-bsfs              show all available bitstream filters"
 150   echo "  --list-indevs            show all available input devices"
 151   echo "  --list-outdevs           show all available output devices"
 152   echo "  --list-filters           show all available filters"
 153   echo
 154   echo "External library support:"
 155   echo "  --enable-avisynth        enable reading of AVISynth script files [no]"
 156   echo "  --enable-bzlib           enable bzlib [autodetect]"
 157   echo "  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]"
 158   echo "  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]"
 159   echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
 160   echo "                           and libraw1394 [no]"
 161   echo "  --enable-libdirac        enable Dirac support via libdirac [no]"
 162   echo "  --enable-libfaac         enable FAAC support via libfaac [no]"
 163   echo "  --enable-libfaad         enable FAAD support via libfaad [no]"
 164   echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [no]"
 165   echo "  --enable-libgsm          enable GSM support via libgsm [no]"
 166   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]"
 167   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
 168   echo "                           native (de)muxer exists [no]"
 169   echo "  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]"
 170   echo "  --enable-libschroedinger enable Dirac support via libschroedinger [no]"
 171   echo "  --enable-libspeex        enable Speex decoding via libspeex [no]"
 172   echo "  --enable-libtheora       enable Theora encoding via libtheora [no]"
 173   echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
 174   echo "                           native implementation exists [no]"
 175   echo "  --enable-libx264         enable H.264 encoding via x264 [no]"
 176   echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
 177   echo "                           native MPEG-4/Xvid encoder exists [no]"
 178   echo "  --enable-mlib            enable Sun medialib [no]"
 179   echo "  --enable-zlib            enable zlib [autodetect]"
 180   echo ""
 181   echo "Advanced options (experts only):"
 182   echo "  --source-path=PATH       path to source code [$source_path]"
 183   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 184   echo "  --enable-cross-compile   assume a cross-compiler is used"
 185   echo "  --sysroot=PATH           root of cross-build tree"
 186   echo "  --sysinclude=PATH        location of cross-build system headers"
 187   echo "  --target-os=OS           compiler targets OS [$target_os]"
 188   echo "  --target-exec=CMD        command to run executables on target"
 189   echo "  --target-path=DIR        path to view of build directory on target"
 190   echo "  --nm=NM                  use nm tool"
 191   echo "  --as=AS                  use assembler AS [$as_default]"
 192   echo "  --cc=CC                  use C compiler CC [$cc_default]"
 193   echo "  --ld=LD                  use linker LD"
 194   echo "  --host-cc=HOSTCC         use host C compiler HOSTCC"
 195   echo "  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host"
 196   echo "  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host"
 197   echo "  --host-libs=HLIBS        use libs HLIBS when linking for host"
 198   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 199   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 200   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 201   echo "  --extra-version=STRING   version string suffix []"
 202   echo "  --build-suffix=SUFFIX    library name suffix []"
 203   echo "  --arch=ARCH              select architecture [$arch]"
 204   echo "  --cpu=CPU                select the minimum required CPU (affects"
 205   echo "                           instruction selection, may crash on older CPUs)"
 206   echo "  --enable-powerpc-perf    enable performance report on PPC"
 207   echo "                           (requires enabling PMC)"
 208   echo "  --disable-altivec        disable AltiVec optimizations"
 209   echo "  --disable-amd3dnow       disable 3DNow! optimizations"
 210   echo "  --disable-amd3dnowext    disable 3DNow! extended optimizations"
 211   echo "  --disable-mmx            disable MMX optimizations"
 212   echo "  --disable-mmx2           disable MMX2 optimizations"
 213   echo "  --disable-sse            disable SSE optimizations"
 214   echo "  --disable-ssse3          disable SSSE3 optimizations"
 215   echo "  --disable-armv5te        disable armv5te optimizations"
 216   echo "  --disable-armv6          disable armv6 optimizations"
 217   echo "  --disable-armv6t2        disable armv6t2 optimizations"
 218   echo "  --disable-armvfp         disable ARM VFP optimizations"
 219   echo "  --disable-iwmmxt         disable iwmmxt optimizations"
 220   echo "  --disable-mmi            disable MMI optimizations"
 221   echo "  --disable-neon           disable neon optimizations"
 222   echo "  --disable-vis            disable VIS optimizations"
 223   echo "  --disable-yasm           disable use of yasm assembler"
 224   echo
 225   echo "Developer options (useful when working on FFmpeg itself):"
 226   echo "  --disable-debug          disable debugging symbols"
 227   echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
 228   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 229   echo "  --disable-optimizations  disable compiler optimizations"
 230   echo "  --enable-extra-warnings  enable more compiler warnings"
 231   echo "  --disable-stripping      disable stripping of executables and shared libraries"
 232   echo ""
 233   echo "NOTE: Object files are built at the place where configure is launched."
 234   exit 0
 235 }
 236
 237 log(){
 238     echo "$@" >> $logfile
 239 }
 240
 241 log_file(){
 242     log BEGIN $1
 243     pr -n -t $1 >> $logfile
 244     log END $1
 245 }
 246
 247 echolog(){
 248     log "$@"
 249     echo "$@"
 250 }
 251
 252 die(){
 253     echolog "$@"
 254     cat <<EOF
 255
 256 If you think configure made a mistake, make sure you are using the latest
 257 version from SVN.  If the latest version fails, report the problem to the
 258 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 259 EOF
 260     if disabled logging; then
 261         cat <<EOF
 262 Rerun configure with logging enabled (do not use --disable-logging), and
 263 include the log this produces with your report.
 264 EOF
 265     else
 266 cat <<EOF
 267 Include the log file "$logfile" produced by configure as this will help
 268 solving the problem.
 269 EOF
 270     fi
 271     exit 1
 272 }
 273
 274 # Avoid locale weirdness, besides we really just want to translate ASCII.
 275 toupper(){
 276     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 277 }
 278
 279 tolower(){
 280     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 281 }
 282
 283 c_escape(){
 284     echo "$*" | sed 's/["\\]/\\\0/g'
 285 }
 286
 287 sh_quote(){
 288     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 289     test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
 290     echo "$v"
 291 }
 292
 293 filter(){
 294     pat=$1
 295     shift
 296     for v; do
 297         case "$v" in $pat) echo "$v" ;; esac
 298     done
 299 }
 300
 301 set_all(){
 302     value=$1
 303     shift
 304     for var in $*; do
 305         eval $var=$value
 306     done
 307 }
 308
 309 set_weak(){
 310     value=$1
 311     shift
 312     for var; do
 313         eval : \${$var:=$value}
 314     done
 315 }
 316
 317 pushvar(){
 318     for var in $*; do
 319         eval level=\${${var}_level:=0}
 320         eval ${var}_${level}="\$$var"
 321         eval ${var}_level=$(($level+1))
 322     done
 323 }
 324
 325 popvar(){
 326     for var in $*; do
 327         eval level=\${${var}_level:-0}
 328         test $level = 0 && continue
 329         eval level=$(($level-1))
 330         eval $var="\${${var}_${level}}"
 331         eval ${var}_level=$level
 332         eval unset ${var}_${level}
 333     done
 334 }
 335
 336 enable(){
 337     set_all yes $*
 338 }
 339
 340 disable(){
 341     set_all no $*
 342 }
 343
 344 enable_weak(){
 345     set_weak yes $*
 346 }
 347
 348 disable_weak(){
 349     set_weak no $*
 350 }
 351
 352 enable_safe(){
 353     enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
 354 }
 355
 356 disable_safe(){
 357     disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
 358 }
 359
 360 do_enable_deep(){
 361     for var; do
 362         enabled $var && continue
 363         eval sel="\$${var}_select"
 364         eval sgs="\$${var}_suggest"
 365         pushvar var sgs
 366         enable_deep $sel
 367         popvar sgs
 368         enable_deep_weak $sgs
 369         popvar var
 370     done
 371 }
 372
 373 enable_deep(){
 374     do_enable_deep $*
 375     enable $*
 376 }
 377
 378 enable_deep_weak(){
 379     do_enable_deep $*
 380     enable_weak $*
 381 }
 382
 383 enabled(){
 384     test "${1#!}" = "$1" && op== || op=!=
 385     eval test "x\$${1#!}" $op "xyes"
 386 }
 387
 388 disabled(){
 389     test "${1#!}" = "$1" && op== || op=!=
 390     eval test "x\$${1#!}" $op "xno"
 391 }
 392
 393 enabled_all(){
 394     for opt; do
 395         enabled $opt || return 1
 396     done
 397 }
 398
 399 disabled_all(){
 400     for opt; do
 401         disabled $opt || return 1
 402     done
 403 }
 404
 405 enabled_any(){
 406     for opt; do
 407         enabled $opt && return 0
 408     done
 409 }
 410
 411 disabled_any(){
 412     for opt; do
 413         disabled $opt && return 0
 414     done
 415     return 1
 416 }
 417
 418 set_default(){
 419     for opt; do
 420         eval : \${$opt:=\$${opt}_default}
 421     done
 422 }
 423
 424 is_in(){
 425     value=$1
 426     shift
 427     for var in $*; do
 428         [ $var = $value ] && return 0
 429     done
 430     return 1
 431 }
 432
 433 check_deps(){
 434     for cfg; do
 435         cfg="${cfg#!}"
 436         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 437         disabled ${cfg}_checking && continue
 438         enable ${cfg}_checking
 439
 440         eval dep_all="\$${cfg}_deps"
 441         eval dep_any="\$${cfg}_deps_any"
 442         eval dep_sel="\$${cfg}_select"
 443         eval dep_sgs="\$${cfg}_suggest"
 444
 445         pushvar cfg dep_all dep_any dep_sel dep_sgs
 446         check_deps $dep_all $dep_any $dep_sel $dep_sgs
 447         popvar cfg dep_all dep_any dep_sel dep_sgs
 448
 449         enabled_all  $dep_all || disable $cfg
 450         enabled_any  $dep_any || disable $cfg
 451         disabled_any $dep_sel && disable $cfg
 452
 453         if enabled $cfg; then
 454             eval dep_extralibs="\$${cfg}_extralibs"
 455             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 456             enable_deep $dep_sel
 457             enable_deep_weak $dep_sgs
 458         fi
 459
 460         disable ${cfg}_checking
 461     done
 462 }
 463
 464 print_config(){
 465     pfx=$1
 466     header=$2
 467     makefile=$3
 468     shift 3
 469     for cfg; do
 470         ucname="$(toupper $cfg)"
 471         if enabled $cfg; then
 472             echo "#define ${pfx}${ucname} 1" >> $header
 473             echo "${pfx}${ucname}=yes" >> $makefile
 474         else
 475             echo "#define ${pfx}${ucname} 0" >> $header
 476         fi
 477     done
 478 }
 479
 480 flags_saved(){
 481     (: ${SAVE_CFLAGS?}) 2> /dev/null
 482 }
 483
 484 save_flags(){
 485     flags_saved && return
 486     SAVE_CFLAGS="$CFLAGS"
 487     SAVE_LDFLAGS="$LDFLAGS"
 488     SAVE_extralibs="$extralibs"
 489 }
 490
 491 restore_flags(){
 492     flags_saved || return
 493     CFLAGS="$SAVE_CFLAGS"
 494     LDFLAGS="$SAVE_LDFLAGS"
 495     extralibs="$SAVE_extralibs"
 496     unset SAVE_CFLAGS
 497     unset SAVE_LDFLAGS
 498     unset SAVE_extralibs
 499 }
 500
 501 temp_cflags(){
 502     save_flags
 503     CFLAGS="$CFLAGS $*"
 504 }
 505
 506 temp_ldflags(){
 507     save_flags
 508     LDFLAGS="$LDFLAGS $*"
 509 }
 510
 511 temp_extralibs(){
 512     save_flags
 513     extralibs="$extralibs $*"
 514 }
 515
 516 append(){
 517     var=$1
 518     shift
 519     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 520     eval "$var=\"\$$var $*\""
 521 }
 522
 523 add_cppflags(){
 524     append CPPFLAGS $($filter_cppflags "$@")
 525 }
 526
 527 add_cflags(){
 528     append CFLAGS $($filter_cflags "$@")
 529 }
 530
 531 add_asflags(){
 532     append ASFLAGS $($filter_asflags "$@")
 533 }
 534
 535 add_ldflags(){
 536     append LDFLAGS "$@"
 537 }
 538
 539 add_extralibs(){
 540     append extralibs "$@"
 541 }
 542
 543 check_cmd(){
 544     log "$@"
 545     "$@" >> $logfile 2>&1
 546 }
 547
 548 check_cc(){
 549     log check_cc "$@"
 550     cat > $TMPC
 551     log_file $TMPC
 552     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 553 }
 554
 555 check_cpp(){
 556     log check_cpp "$@"
 557     cat > $TMPC
 558     log_file $TMPC
 559     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 560 }
 561
 562 check_as(){
 563     log check_as "$@"
 564     cat > $TMPC
 565     log_file $TMPC
 566     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 567 }
 568
 569 check_asm(){
 570     log check_asm "$@"
 571     name="$1"
 572     asm="$2"
 573     shift 2
 574     check_as "$@" <<EOF && enable $name || disable $name
 575 void foo(void){ __asm__ volatile($asm); }
 576 EOF
 577 }
 578
 579 check_yasm(){
 580     log check_yasm "$@"
 581     echo "$1" > $TMPS
 582     log_file $TMPS
 583     shift 1
 584     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 585 }
 586
 587 check_ld(){
 588     log check_ld "$@"
 589     check_cc || return
 590     flags=''
 591     libs=''
 592     for f; do
 593         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 594     done
 595     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 596 }
 597
 598 check_cppflags(){
 599     log check_cppflags "$@"
 600     set -- $($filter_cppflags "$@")
 601     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 602 int x;
 603 EOF
 604 }
 605
 606 check_cflags(){
 607     log check_cflags "$@"
 608     set -- $($filter_cflags "$@")
 609     check_cc "$@" <<EOF && append CFLAGS "$@"
 610 int x;
 611 EOF
 612 }
 613
 614 check_ldflags(){
 615     log check_ldflags "$@"
 616     check_ld "$@" <<EOF && add_ldflags "$@"
 617 int main(void){ return 0; }
 618 EOF
 619 }
 620
 621 check_header(){
 622     log check_header "$@"
 623     header=$1
 624     shift
 625     disable_safe $header
 626     check_cpp "$@" <<EOF && enable_safe $header
 627 #include <$header>
 628 int x;
 629 EOF
 630 }
 631
 632 check_func(){
 633     log check_func "$@"
 634     func=$1
 635     shift
 636     disable $func
 637     check_ld "$@" <<EOF && enable $func
 638 extern int $func();
 639 int main(void){ $func(); }
 640 EOF
 641 }
 642
 643 check_func_headers(){
 644     log check_func_headers "$@"
 645     headers=$1
 646     func=$2
 647     shift 2
 648     disable $func
 649     incs=""
 650     for hdr in $headers; do
 651         incs="$incs
 652 #include <$hdr>"
 653     done
 654     check_ld "$@" <<EOF && enable $func && enable_safe $headers
 655 $incs
 656 int main(int argc, char **argv){
 657     return (long) $func;
 658 }
 659 EOF
 660 }
 661
 662 check_cpp_condition(){
 663     log check_cpp_condition "$@"
 664     header=$1
 665     condition=$2
 666     check_cpp <<EOF
 667 #include <$header>
 668 #if !($condition)
 669 #error "unsatisfied condition: $condition"
 670 #endif
 671 EOF
 672 }
 673
 674 check_lib(){
 675     log check_lib "$@"
 676     header="$1"
 677     func="$2"
 678     shift 2
 679     temp_extralibs "$@"
 680     check_header $header && check_func $func && add_extralibs "$@"
 681     err=$?
 682     restore_flags
 683     return $err
 684 }
 685
 686 check_lib2(){
 687     log check_lib2 "$@"
 688     headers="$1"
 689     func="$2"
 690     shift 2
 691     temp_extralibs "$@"
 692     check_func_headers "$headers" $func && add_extralibs "$@"
 693     err=$?
 694     restore_flags
 695     return $err
 696 }
 697
 698 check_exec(){
 699     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 700 }
 701
 702 check_exec_crash(){
 703     code=$(cat)
 704
 705     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 706     # are safe but may not be available everywhere.  Thus we use
 707     # raise(SIGTERM) instead.  The check is run in a subshell so we
 708     # can redirect the "Terminated" message from the shell.  SIGBUS
 709     # is not defined by standard C so it is used conditionally.
 710
 711     (check_exec "$@") >> $logfile 2>&1 <<EOF
 712 #include <signal.h>
 713 static void sighandler(int sig){
 714     raise(SIGTERM);
 715 }
 716 int main(void){
 717     signal(SIGILL, sighandler);
 718     signal(SIGFPE, sighandler);
 719     signal(SIGSEGV, sighandler);
 720 #ifdef SIGBUS
 721     signal(SIGBUS, sighandler);
 722 #endif
 723     { $code }
 724 }
 725 EOF
 726 }
 727
 728 check_type(){
 729     log check_type "$@"
 730     headers=$1
 731     type=$2
 732     shift 2
 733     disable $type
 734     incs=""
 735     for hdr in $headers; do
 736         incs="$incs
 737 #include <$hdr>"
 738     done
 739     check_cc "$@" <<EOF && enable $type
 740 $incs
 741 $type v;
 742 EOF
 743 }
 744
 745 require(){
 746     name="$1"
 747     header="$2"
 748     func="$3"
 749     shift 3
 750     check_lib $header $func "$@" || die "ERROR: $name not found"
 751 }
 752
 753 require2(){
 754     name="$1"
 755     headers="$2"
 756     func="$3"
 757     shift 3
 758     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 759 }
 760
 761 check_foo_config(){
 762     cfg=$1
 763     pkg=$2
 764     header=$3
 765     func=$4
 766     shift 4
 767     disable $cfg
 768     check_cmd ${pkg}-config --version
 769     err=$?
 770     if test "$err" = 0; then
 771         temp_cflags $(${pkg}-config --cflags)
 772         temp_extralibs $(${pkg}-config --libs)
 773         check_lib "$@" $header $func && enable $cfg
 774     fi
 775     return $err
 776 }
 777
 778 apply(){
 779     file=$1
 780     shift
 781     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 782 }
 783
 784 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 785 # system-dependent things.
 786
 787 COMPONENT_LIST="
 788     bsfs
 789     decoders
 790     demuxers
 791     encoders
 792     filters
 793     hwaccels
 794     indevs
 795     muxers
 796     outdevs
 797     parsers
 798     protocols
 799 "
 800
 801 CONFIG_LIST="
 802     $COMPONENT_LIST
 803     aandct
 804     avfilter
 805     avfilter_lavf
 806     avisynth
 807     beos_netserver
 808     bzlib
 809     fastdiv
 810     ffmpeg
 811     ffplay
 812     ffserver
 813     fft
 814     golomb
 815     gpl
 816     gprof
 817     gray
 818     hardcoded_tables
 819     ipv6
 820     libdc1394
 821     libdirac
 822     libfaac
 823     libfaad
 824     libfaadbin
 825     libgsm
 826     libmp3lame
 827     libnut
 828     libopencore_amrnb
 829     libopencore_amrwb
 830     libopenjpeg
 831     libschroedinger
 832     libspeex
 833     libtheora
 834     libvorbis
 835     libx264
 836     libxvid
 837     mdct
 838     memalign_hack
 839     mlib
 840     mpegaudio_hp
 841     network
 842     nonfree
 843     postproc
 844     powerpc_perf
 845     rdft
 846     runtime_cpudetect
 847     shared
 848     small
 849     static
 850     swscale_alpha
 851     vaapi
 852     vdpau
 853     version3
 854     x11grab
 855     zlib
 856 "
 857
 858 THREADS_LIST='
 859     beosthreads
 860     os2threads
 861     pthreads
 862     w32threads
 863 '
 864
 865 ARCH_LIST='
 866     alpha
 867     arm
 868     bfin
 869     ia64
 870     m68k
 871     mips
 872     mips64
 873     parisc
 874     ppc
 875     ppc64
 876     s390
 877     sh4
 878     sparc
 879     sparc64
 880     x86
 881     x86_32
 882     x86_64
 883 '
 884
 885 ARCH_EXT_LIST='
 886     altivec
 887     amd3dnow
 888     amd3dnowext
 889     armv5te
 890     armv6
 891     armv6t2
 892     armvfp
 893     iwmmxt
 894     mmi
 895     mmx
 896     mmx2
 897     neon
 898     ppc4xx
 899     sse
 900     ssse3
 901     vis
 902 '
 903
 904 HAVE_LIST="
 905     $ARCH_EXT_LIST
 906     $THREADS_LIST
 907     alsa_asoundlib_h
 908     altivec_h
 909     arpa_inet_h
 910     attribute_packed
 911     bigendian
 912     bswap
 913     closesocket
 914     cmov
 915     conio_h
 916     dcbzl
 917     dev_bktr_ioctl_bt848_h
 918     dev_bktr_ioctl_meteor_h
 919     dev_ic_bt8xx_h
 920     dev_video_meteor_ioctl_meteor_h
 921     dev_video_bktr_ioctl_bt848_h
 922     dlfcn_h
 923     dlopen
 924     dos_paths
 925     ebp_available
 926     ebx_available
 927     fast_64bit
 928     fast_cmov
 929     fast_unaligned
 930     fork
 931     gethrtime
 932     GetProcessTimes
 933     getrusage
 934     inet_aton
 935     inline_asm
 936     isatty
 937     ldbrx
 938     libdc1394_1
 939     libdc1394_2
 940     llrint
 941     log2
 942     loongson
 943     lrint
 944     lrintf
 945     lzo1x_999_compress
 946     machine_ioctl_bt848_h
 947     machine_ioctl_meteor_h
 948     malloc_h
 949     memalign
 950     mkstemp
 951     pld
 952     posix_memalign
 953     round
 954     roundf
 955     sdl
 956     sdl_video_size
 957     setmode
 958     socklen_t
 959     soundcard_h
 960     poll_h
 961     sys_mman_h
 962     sys_resource_h
 963     sys_select_h
 964     sys_soundcard_h
 965     sys_videoio_h
 966     ten_operands
 967     termios_h
 968     threads
 969     truncf
 970     vfp_args
 971     VirtualAlloc
 972     winsock2_h
 973     xform_asm
 974     yasm
 975 "
 976
 977 # options emitted with CONFIG_ prefix but not available on command line
 978 CONFIG_EXTRA="
 979     gplv3
 980     lgplv3
 981 "
 982
 983 CMDLINE_SELECT="
 984     $ARCH_EXT_LIST
 985     $CONFIG_LIST
 986     $THREADS_LIST
 987     cross_compile
 988     debug
 989     extra_warnings
 990     logging
 991     optimizations
 992     stripping
 993     yasm
 994 "
 995
 996 PATHS_LIST='
 997     bindir
 998     datadir
 999     incdir
1000     libdir
1001     mandir
1002     prefix
1003     shlibdir
1004 '
1005
1006 CMDLINE_SET="
1007     $PATHS_LIST
1008     arch
1009     as
1010     build_suffix
1011     cc
1012     cpu
1013     cross_prefix
1014     dep_cc
1015     extra_version
1016     host_cc
1017     host_cflags
1018     host_ldflags
1019     host_libs
1020     host_os
1021     ld
1022     logfile
1023     nm
1024     source_path
1025     sysinclude
1026     sysroot
1027     target_exec
1028     target_os
1029     target_path
1030 "
1031
1032 CMDLINE_APPEND="
1033     extra_cflags
1034 "
1035
1036 # code dependency declarations
1037
1038 # architecture extensions
1039 altivec_deps="ppc"
1040 amd3dnow_deps="mmx"
1041 amd3dnowext_deps="amd3dnow"
1042 armv5te_deps="arm"
1043 armv6_deps="arm"
1044 armv6t2_deps="arm"
1045 armvfp_deps="arm"
1046 iwmmxt_deps="arm"
1047 mmi_deps="mips"
1048 mmx_deps="x86"
1049 mmx2_deps="mmx"
1050 neon_deps="arm"
1051 ppc4xx_deps="ppc"
1052 sse_deps="mmx"
1053 ssse3_deps="sse"
1054 vis_deps="sparc"
1055
1056 need_memalign="altivec neon sse"
1057 inline_asm_deps="!tms470"
1058
1059 # decoders / encoders / hardware accelerators
1060 aac_decoder_select="fft mdct"
1061 aac_encoder_select="fft mdct"
1062 ac3_decoder_select="fft mdct"
1063 atrac3_decoder_select="fft mdct"
1064 cavs_decoder_select="golomb"
1065 cook_decoder_select="fft mdct"
1066 cscd_decoder_suggest="zlib"
1067 dca_decoder_select="fft mdct"
1068 dnxhd_encoder_select="aandct"
1069 dxa_decoder_select="zlib"
1070 eac3_decoder_select="ac3_decoder"
1071 eamad_decoder_select="aandct"
1072 eatgq_decoder_select="aandct"
1073 eatqi_decoder_select="aandct"
1074 ffv1_decoder_select="golomb"
1075 flac_decoder_select="golomb"
1076 flac_encoder_select="golomb"
1077 flashsv_decoder_select="zlib"
1078 flashsv_encoder_select="zlib"
1079 flv_encoder_select="h263_encoder"
1080 h261_encoder_select="aandct"
1081 h263_encoder_select="aandct"
1082 h263_vaapi_hwaccel_deps="va_va_h"
1083 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1084 h263p_encoder_select="h263_encoder"
1085 h264_decoder_select="golomb"
1086 h264_vaapi_hwaccel_deps="va_va_h"
1087 h264_vaapi_hwaccel_select="vaapi"
1088 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1089 h264_vdpau_decoder_select="vdpau h264_decoder"
1090 imc_decoder_select="fft mdct"
1091 jpegls_decoder_select="golomb"
1092 jpegls_encoder_select="golomb"
1093 ljpeg_encoder_select="aandct"
1094 loco_decoder_select="golomb"
1095 mjpeg_encoder_select="aandct"
1096 mpeg1video_encoder_select="aandct"
1097 mpeg2video_encoder_select="aandct"
1098 mpeg4_encoder_select="h263_encoder"
1099 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1100 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1101 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1102 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1103 mpeg2_vaapi_hwaccel_deps="va_va_h"
1104 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1105 mpeg4_vaapi_hwaccel_deps="va_va_h"
1106 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1107 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1108 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1109 msmpeg4v1_encoder_select="h263_encoder"
1110 msmpeg4v2_encoder_select="h263_encoder"
1111 msmpeg4v3_encoder_select="h263_encoder"
1112 nellymoser_decoder_select="fft mdct"
1113 nellymoser_encoder_select="fft mdct"
1114 png_decoder_select="zlib"
1115 png_encoder_select="zlib"
1116 qdm2_decoder_select="fft mdct rdft"
1117 rv10_encoder_select="h263_encoder"
1118 rv20_encoder_select="h263_encoder"
1119 rv30_decoder_select="golomb"
1120 rv40_decoder_select="golomb"
1121 shorten_decoder_select="golomb"
1122 sonic_decoder_select="golomb"
1123 sonic_encoder_select="golomb"
1124 sonic_ls_encoder_select="golomb"
1125 svq3_decoder_select="golomb"
1126 svq3_decoder_suggest="zlib"
1127 theora_decoder_select="vp3_decoder"
1128 tiff_decoder_suggest="zlib"
1129 tiff_encoder_suggest="zlib"
1130 tscc_decoder_select="zlib"
1131 vc1_vaapi_hwaccel_deps="va_va_h"
1132 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1133 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1134 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1135 vorbis_decoder_select="fft mdct"
1136 vorbis_encoder_select="fft mdct"
1137 vp6a_decoder_select="vp6_decoder"
1138 vp6f_decoder_select="vp6_decoder"
1139 wmav1_decoder_select="fft mdct"
1140 wmav1_encoder_select="fft mdct"
1141 wmav2_decoder_select="fft mdct"
1142 wmav2_encoder_select="fft mdct"
1143 wmv1_encoder_select="h263_encoder"
1144 wmv2_encoder_select="h263_encoder"
1145 wmv3_decoder_select="vc1_decoder"
1146 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1147 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1148 zlib_decoder_select="zlib"
1149 zlib_encoder_select="zlib"
1150 zmbv_decoder_select="zlib"
1151 zmbv_encoder_select="zlib"
1152
1153 # parsers
1154 h264_parser_select="golomb"
1155
1156 # external libraries
1157 libdirac_decoder_deps="libdirac !libschroedinger"
1158 libdirac_encoder_deps="libdirac"
1159 libfaac_encoder_deps="libfaac"
1160 libfaad_decoder_deps="libfaad"
1161 libfaadbin_decoder_extralibs='$ldl'
1162 libgsm_decoder_deps="libgsm"
1163 libgsm_encoder_deps="libgsm"
1164 libgsm_ms_decoder_deps="libgsm"
1165 libgsm_ms_encoder_deps="libgsm"
1166 libmp3lame_encoder_deps="libmp3lame"
1167 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1168 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1169 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1170 libopenjpeg_decoder_deps="libopenjpeg"
1171 libschroedinger_decoder_deps="libschroedinger"
1172 libschroedinger_encoder_deps="libschroedinger"
1173 libspeex_decoder_deps="libspeex"
1174 libtheora_encoder_deps="libtheora"
1175 libvorbis_encoder_deps="libvorbis"
1176 libx264_encoder_deps="libx264"
1177 libxvid_encoder_deps="libxvid"
1178
1179 # demuxers / muxers
1180 ac3_demuxer_deps="ac3_parser"
1181 asf_stream_muxer_select="asf_muxer"
1182 avisynth_demuxer_deps="avisynth"
1183 dirac_demuxer_deps="dirac_parser"
1184 ipod_muxer_select="mov_muxer"
1185 libnut_demuxer_deps="libnut"
1186 libnut_muxer_deps="libnut"
1187 matroska_audio_muxer_select="matroska_muxer"
1188 matroska_demuxer_suggest="zlib bzlib"
1189 mov_demuxer_suggest="zlib"
1190 mp3_demuxer_deps="mpegaudio_parser"
1191 mp4_muxer_select="mov_muxer"
1192 mpegtsraw_demuxer_select="mpegts_demuxer"
1193 mxf_d10_muxer_select="mxf_muxer"
1194 psp_muxer_select="mov_muxer"
1195 redir_demuxer_deps="network"
1196 rtp_muxer_deps="network rtp_protocol"
1197 rtsp_demuxer_deps="sdp_demuxer"
1198 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1199 tg2_muxer_select="mov_muxer"
1200 tgp_muxer_select="mov_muxer"
1201
1202 # indevs / outdevs
1203 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1204 alsa_indev_extralibs="-lasound"
1205 alsa_outdev_deps="alsa_asoundlib_h"
1206 alsa_outdev_extralibs="-lasound"
1207 audio_beos_indev_deps="audio_beos"
1208 audio_beos_indev_extralibs="-lmedia -lbe"
1209 audio_beos_outdev_deps="audio_beos"
1210 audio_beos_outdev_extralibs="-lmedia -lbe"
1211 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1212 dv1394_indev_deps="dv1394 dv_demuxer"
1213 jack_indev_deps="jack_jack_h"
1214 jack_indev_extralibs="-ljack"
1215 libdc1394_indev_deps="libdc1394"
1216 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1217 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1218 v4l_indev_deps="linux_videodev_h"
1219 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1220 vfwcap_indev_deps="capCreateCaptureWindow"
1221 vfwcap_indev_extralibs="-lvfw32"
1222 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1223 x11_grab_device_indev_extralibs="-lX11 -lXext"
1224
1225 # protocols
1226 gopher_protocol_deps="network"
1227 http_protocol_deps="network"
1228 rtmp_protocol_deps="tcp_protocol"
1229 rtp_protocol_deps="udp_protocol"
1230 tcp_protocol_deps="network"
1231 udp_protocol_deps="network"
1232
1233 # filters
1234 movie_filter_deps="avfilter_lavf"
1235
1236 # programs
1237 ffplay_deps="sdl"
1238 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1239 ffserver_extralibs='$ldl'
1240
1241
1242 # default parameters
1243
1244 logfile="config.err"
1245
1246 # installation paths
1247 prefix_default="/usr/local"
1248 bindir_default='${prefix}/bin'
1249 datadir_default='${prefix}/share/ffmpeg'
1250 incdir_default='${prefix}/include'
1251 libdir_default='${prefix}/lib'
1252 mandir_default='${prefix}/share/man'
1253 shlibdir_default="$libdir_default"
1254
1255 # toolchain
1256 ar="ar"
1257 cc_default="gcc"
1258 host_cc_default="gcc"
1259 ln_s="ln -sf"
1260 nm_default="nm"
1261 objformat="elf"
1262 ranlib="ranlib"
1263 strip="strip"
1264 yasmexe="yasm"
1265
1266 # machine
1267 arch=$(uname -m)
1268 cpu="generic"
1269
1270 # OS
1271 target_os=$(tolower $(uname -s))
1272 host_os=$target_os
1273
1274 # configurable options
1275 enable debug
1276 enable fastdiv
1277 enable ffmpeg
1278 enable ffplay
1279 enable ffserver
1280 enable ipv6
1281 enable mpegaudio_hp
1282 enable network
1283 enable optimizations
1284 enable protocols
1285 enable static
1286 enable stripping
1287 enable swscale_alpha
1288
1289 # build settings
1290 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1291 FFSERVERLDFLAGS=-Wl,-E
1292 LIBPREF="lib"
1293 LIBSUF=".a"
1294 FULLNAME='$(NAME)$(BUILDSUF)'
1295 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1296 SLIBPREF="lib"
1297 SLIBSUF=".so"
1298 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1299 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1300 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1301 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1302
1303 CC_O='-o $@'
1304
1305 host_cflags='-O3 -g -Wall'
1306 host_libs='-lm'
1307
1308 target_path='.'
1309
1310 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1311 # full relative path for objects in subdirectories for non-recursive Make.
1312 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1313 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1314
1315 # find source path
1316 source_path="$(dirname "$0")"
1317 enable source_path_used
1318 if test -f configure; then
1319     source_path="$(pwd)"
1320     disable source_path_used
1321 else
1322     source_path="$(cd "$source_path"; pwd)"
1323     echo "$source_path" | grep -q '[[:blank:]]' &&
1324         die "Out of tree builds are impossible with whitespace in source path."
1325     test -e "$source_path/config.h" &&
1326         die "Out of tree builds are impossible with config.h in source dir."
1327 fi
1328
1329 for v in "$@"; do
1330     r=${v#*=}
1331     l=${v%"$r"}
1332     r=$(sh_quote "$r")
1333     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1334 done
1335
1336 find_things(){
1337     thing=$1
1338     pattern=$2
1339     file=$source_path/$3
1340     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1341 }
1342
1343 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1344 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1345 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1346 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1347 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1348 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1349 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1350 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1351 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1352 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1353 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1354
1355 enable $ARCH_EXT_LIST \
1356        $DECODER_LIST \
1357        $ENCODER_LIST \
1358        $HWACCEL_LIST \
1359        $PARSER_LIST \
1360        $BSF_LIST \
1361        $DEMUXER_LIST \
1362        $MUXER_LIST \
1363        $FILTER_LIST \
1364        $PROTOCOL_LIST \
1365        $INDEV_LIST \
1366        $OUTDEV_LIST \
1367
1368 die_unknown(){
1369     echo "Unknown option \"$1\"."
1370     echo "See $0 --help for available options."
1371     exit 1
1372 }
1373
1374 show_list() {
1375     suffix=_$1
1376     shift
1377     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1378     exit 0
1379 }
1380
1381 for opt do
1382     optval="${opt#*=}"
1383     case "$opt" in
1384     --extra-ldflags=*) add_ldflags $optval
1385     ;;
1386     --extra-libs=*) add_extralibs $optval
1387     ;;
1388     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1389     ;;
1390     --enable-debug=*) debuglevel="$optval"
1391     ;;
1392     --enable-*=*|--disable-*=*)
1393     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1394     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1395     eval list=\$$(toupper $thing)_LIST
1396     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1397     $action $(filter "$name" $list)
1398     ;;
1399     --enable-?*|--disable-?*)
1400     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1401     if is_in $option $COMPONENT_LIST; then
1402         test $action = disable && action=unset
1403         eval $action \$$(toupper ${option%s})_LIST
1404     elif is_in $option $CMDLINE_SELECT; then
1405         $action $option
1406     else
1407         die_unknown $opt
1408     fi
1409     ;;
1410     --list-*)
1411         NAME="${opt#--list-}"
1412         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1413         NAME=${NAME%s}
1414         eval show_list $NAME \$$(toupper $NAME)_LIST
1415     ;;
1416     --help|-h) show_help
1417     ;;
1418     *)
1419     optname="${opt%%=*}"
1420     optname="${optname#--}"
1421     optname=$(echo "$optname" | sed 's/-/_/g')
1422     if is_in $optname $CMDLINE_SET; then
1423         eval $optname='$optval'
1424     elif is_in $optname $CMDLINE_APPEND; then
1425         append $optname "$optval"
1426     else
1427          die_unknown $opt
1428     fi
1429     ;;
1430     esac
1431 done
1432
1433 disabled logging && logfile=/dev/null
1434
1435 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1436 set >> $logfile
1437
1438 test -n "$cross_prefix" && enable cross_compile
1439
1440 ar="${cross_prefix}${ar}"
1441 cc_default="${cross_prefix}${cc_default}"
1442 nm_default="${cross_prefix}${nm_default}"
1443 ranlib="${cross_prefix}${ranlib}"
1444 strip="${cross_prefix}${strip}"
1445
1446 sysinclude_default="${sysroot}/usr/include"
1447
1448 set_default cc nm sysinclude
1449 enabled cross_compile || host_cc_default=$cc
1450 set_default host_cc
1451
1452 exesuf() {
1453     case $1 in
1454         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1455     esac
1456 }
1457
1458 EXESUF=$(exesuf $target_os)
1459 HOSTEXESUF=$(exesuf $host_os)
1460
1461 # set temporary file name
1462 : ${TMPDIR:=$TEMPDIR}
1463 : ${TMPDIR:=$TMP}
1464 : ${TMPDIR:=/tmp}
1465
1466 if ! check_cmd type mktemp; then
1467     # simple replacement for missing mktemp
1468     # NOT SAFE FOR GENERAL USE
1469     mktemp(){
1470         echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1471     }
1472 fi
1473
1474 tmpfile(){
1475     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1476         (set -C; exec > $tmp) 2>/dev/null ||
1477         die "Unable to create temoporary file in $TMPDIR."
1478     append TMPFILES $tmp
1479     eval $1=$tmp
1480 }
1481
1482 trap 'rm -f -- $TMPFILES' EXIT
1483 trap exit HUP INT TERM
1484
1485 tmpfile TMPC  .c
1486 tmpfile TMPE  $EXESUF
1487 tmpfile TMPH  .h
1488 tmpfile TMPO  .o
1489 tmpfile TMPS  .S
1490 tmpfile TMPSH .sh
1491
1492 unset -f mktemp
1493
1494 # make sure we can execute files in $TMPDIR
1495 cat > $TMPSH 2>> $logfile <<EOF
1496 #! /bin/sh
1497 EOF
1498 chmod +x $TMPSH >> $logfile 2>&1
1499 if ! $TMPSH >> $logfile 2>&1; then
1500     cat <<EOF
1501 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1502 variable to another directory and make sure that it is not mounted noexec.
1503 EOF
1504     die "Sanity test failed."
1505 fi
1506
1507 filter_cflags=echo
1508 filter_cppflags=echo
1509 filter_asflags=echo
1510
1511 if   $cc -v 2>&1 | grep -qi ^gcc; then
1512     cc_type=gcc
1513     if ! $cc -dumpversion | grep -q '^2\.'; then
1514         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1515         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1516     fi
1517 elif $cc --version 2>/dev/null | grep -q Intel; then
1518     cc_type=icc
1519     CC_DEPFLAGS='-MMD'
1520     AS_DEPFLAGS='-MMD'
1521 elif $cc -v 2>&1 | grep -q xlc; then
1522     cc_type=xlc
1523 elif $cc -V 2>/dev/null | grep -q Compaq; then
1524     cc_type=ccc
1525     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1526     debuglevel=3
1527     add_ldflags -Wl,-z,now # calls to libots crash without this
1528 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1529     test -d "$sysroot" || die "No valid sysroot specified."
1530     cc_type=armcc
1531     armcc_conf="$PWD/armcc.conf"
1532     $cc --arm_linux_configure                 \
1533         --arm_linux_config_file="$armcc_conf" \
1534         --configure_sysroot="$sysroot"        \
1535         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1536         die "Error creating armcc configuration file."
1537     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1538     as_default="${cross_prefix}gcc"
1539     CC_DEPFLAGS='-MMD'
1540     AS_DEPFLAGS='-MMD'
1541 elif $cc -version 2>/dev/null | grep -q TMS470; then
1542     cc_type=tms470
1543     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1544     CC_O='-fr=$(@D)'
1545     as_default="${cross_prefix}gcc"
1546     ld_default="${cross_prefix}gcc"
1547     TMPO=$(basename $TMPC .c).o
1548     append TMPFILES $TMPO
1549     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1550     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1551     AS_DEPFLAGS='-MMD'
1552     filter_cflags=tms470_flags
1553     tms470_flags(){
1554         for flag; do
1555             case $flag in
1556                 -march=*|-mcpu=*)
1557                     case "${flag#*=}" in
1558                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
1559                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
1560                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
1561                         armv6*|arm11*)          echo -mv=6   ;;
1562                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1563                                                 echo -mv=5e  ;;
1564                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1565                     esac
1566                     ;;
1567                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1568                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
1569                 -mfpu=softvfp)  echo --float_support=vfplib       ;;
1570                 -Os)            echo -O3 -mf=2                    ;;
1571                 -O[0-3])        echo $flag -mf=5                  ;;
1572                 -g)             echo -g -mn                       ;;
1573             esac
1574         done
1575     }
1576 fi
1577
1578 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1579
1580 : ${as_default:=$cc}
1581 : ${dep_cc_default:=$cc}
1582 : ${ld_default:=$cc}
1583 set_default as dep_cc ld
1584
1585 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1586 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1587
1588 add_cflags $extra_cflags
1589 add_asflags $extra_cflags
1590
1591 if test -n "$sysroot"; then
1592     case "$cc_type" in
1593         gcc)
1594             add_cppflags --sysroot="$sysroot"
1595             add_ldflags --sysroot="$sysroot"
1596         ;;
1597         tms470)
1598             add_cppflags -I"$sysinclude"
1599             add_ldflags  --sysroot="$sysroot"
1600         ;;
1601     esac
1602 fi
1603
1604 if test "$cpu" = host; then
1605     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1606
1607     case "$cc_type" in
1608         gcc)
1609             check_native(){
1610                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1611                 awk "/$1=/{ match(\$0, /$1=(\\w+)/, a);print a[1];exit }" $TMPE
1612             }
1613             cpu=$(check_native -march || check_native -mcpu)
1614         ;;
1615     esac
1616
1617     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1618 fi
1619
1620 # Add processor-specific flags
1621 case $cpu in
1622     601|ppc601|PowerPC601)
1623         cpuflags="-mcpu=601"
1624     ;;
1625     603*|ppc603*|PowerPC603*)
1626         cpuflags="-mcpu=603"
1627     ;;
1628     604*|ppc604*|PowerPC604*)
1629         cpuflags="-mcpu=604"
1630     ;;
1631     G3|g3|75*|ppc75*|PowerPC75*)
1632         cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1633     ;;
1634     G4|g4|745*|ppc745*|PowerPC745*)
1635         cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1636     ;;
1637     74*|ppc74*|PowerPC74*)
1638         cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1639     ;;
1640     G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1641         cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1642     ;;
1643     Cell|CELL|cell)
1644         cpuflags="-mcpu=cell"
1645         enable ldbrx
1646     ;;
1647     # targets that do NOT support conditional mov (cmov)
1648     i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1649         cpuflags="-march=$cpu"
1650         disable cmov
1651     ;;
1652     # targets that do support conditional mov (cmov)
1653     i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1654         cpuflags="-march=$cpu"
1655         enable cmov
1656         enable fast_cmov
1657     ;;
1658     # targets that do support conditional mov but on which it's slow
1659     pentium4|pentium4m|prescott|nocona)
1660         cpuflags="-march=$cpu"
1661         enable cmov
1662         disable fast_cmov
1663     ;;
1664     sparc64)
1665         cpuflags="-mcpu=v9"
1666     ;;
1667     arm11*|cortex*)
1668         cpuflags="-mcpu=$cpu"
1669         enable fast_unaligned
1670     ;;
1671     armv[67]*)
1672         cpuflags="-march=$cpu"
1673         enable fast_unaligned
1674     ;;
1675     armv*)
1676         cpuflags="-march=$cpu"
1677     ;;
1678     arm*)
1679         cpuflags="-mcpu=$cpu"
1680     ;;
1681     ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1682         enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1683     ;;
1684     bf*)
1685         cpuflags="-mcpu=$cpu"
1686     ;;
1687     mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1688         cpuflags="-march=$cpu"
1689     ;;
1690     generic)
1691     ;;
1692     *)
1693         echo "WARNING: Unknown CPU \"$cpu\", ignored."
1694     ;;
1695 esac
1696
1697 add_cflags $cpuflags
1698 add_asflags $cpuflags
1699
1700 # compiler sanity check
1701 check_exec <<EOF
1702 int main(void){ return 0; }
1703 EOF
1704 if test "$?" != 0; then
1705     echo "$cc is unable to create an executable file."
1706     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1707         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1708         echo "Only do this if you know what cross compiling means."
1709     fi
1710     die "C compiler test failed."
1711 fi
1712
1713 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1714 check_cflags -std=c99
1715 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1716 #include <stdlib.h>
1717 EOF
1718 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1719 #include <stdlib.h>
1720 EOF
1721
1722 case "$arch" in
1723     alpha)
1724         arch="alpha"
1725         enable fast_64bit
1726         check_cflags -mieee
1727         pic=$shared
1728     ;;
1729     arm|armv[4567]*l)
1730         arch="arm"
1731     ;;
1732     avr32)
1733     ;;
1734     bfin)
1735         arch="bfin"
1736     ;;
1737     ia64)
1738         arch="ia64"
1739         enable fast_64bit
1740         pic=$shared
1741     ;;
1742     m68k)
1743         arch="m68k"
1744     ;;
1745     mips|mipsel|IP*)
1746         arch="mips"
1747         pic=$shared
1748     ;;
1749     mips64)
1750         arch="mips"
1751         subarch="mips64"
1752         enable fast_64bit
1753         pic=$shared
1754     ;;
1755     parisc|hppa)
1756         arch="parisc"
1757         pic=$shared
1758     ;;
1759     parisc64|hppa64)
1760         arch="parisc"
1761         enable fast_64bit
1762         pic=$shared
1763     ;;
1764     "Power Macintosh"|ppc|powerpc)
1765         arch="ppc"
1766         enable fast_unaligned
1767     ;;
1768     ppc64)
1769         arch="ppc"
1770         subarch="ppc64"
1771         enable fast_64bit
1772         enable fast_unaligned
1773     ;;
1774     s390|s390x)
1775         arch="s390"
1776     ;;
1777     sh4|sh)
1778         arch="sh4"
1779     ;;
1780     sparc)
1781         arch="sparc"
1782         pic=$shared
1783     ;;
1784     sun4u|sparc64)
1785         arch="sparc"
1786         subarch="sparc64"
1787         enable fast_64bit
1788         pic=$shared
1789     ;;
1790     i386|i486|i586|i686|i86pc|BePC)
1791         arch="x86"
1792         subarch="x86_32"
1793         enable fast_unaligned
1794     ;;
1795     x86_64|amd64)
1796         arch="x86"
1797         subarch="x86_32"
1798         enable cmov
1799         enable fast_cmov
1800         enable fast_unaligned
1801         check_cc <<EOF && enable fast_64bit && subarch="x86_64" && pic=$shared
1802         int test[sizeof(char*) - 7];
1803 EOF
1804     ;;
1805     *)
1806         arch="unknown"
1807     ;;
1808 esac
1809
1810 enable $arch $subarch
1811
1812 # OS specific
1813 case $target_os in
1814     beos|haiku|zeta)
1815         prefix_default="$HOME/config"
1816         # helps building libavcodec
1817         add_cppflags -DPIC
1818         add_cflags -fomit-frame-pointer
1819         # 3 gcc releases known for BeOS, each with ugly bugs
1820         gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1821         case "$gcc_version" in
1822           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1823             disable mmx
1824             ;;
1825           *20010315*) echo "BeBits gcc"
1826             add_cflags -fno-expensive-optimizations
1827             ;;
1828         esac
1829         SHFLAGS=-nostart
1830         # enable BeOS things
1831         enable audio_beos
1832         # no need for libm, but the inet stuff
1833         # Check for BONE
1834         # XXX: actually should check for NOT net_server
1835         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1836             network_extralibs="-lbind -lsocket"
1837         else
1838             enable beos_netserver
1839             network_extralibs="-lnet"
1840         fi ;;
1841     sunos)
1842         FFSERVERLDFLAGS=""
1843         SHFLAGS='-shared -Wl,-h,$$(@F)'
1844         network_extralibs="-lsocket -lnsl"
1845         add_cppflags -D__EXTENSIONS__
1846         ;;
1847     netbsd)
1848         oss_indev_extralibs="-lossaudio"
1849         oss_outdev_extralibs="-lossaudio"
1850         ;;
1851     openbsd)
1852         enable malloc_aligned
1853         enable pic
1854         SHFLAGS='-shared'
1855         oss_indev_extralibs="-lossaudio"
1856         oss_outdev_extralibs="-lossaudio"
1857         ;;
1858     freebsd|dragonfly)
1859         enable malloc_aligned
1860         ;;
1861     bsd/os)
1862         osextralibs="-lpoll -lgnugetopt"
1863         strip="strip -d"
1864         ;;
1865     darwin)
1866         enable malloc_aligned
1867         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1868         strip="strip -x"
1869         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1870         SLIBSUF=".dylib"
1871         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1872         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1873         FFSERVERLDFLAGS=-Wl,-bind_at_load
1874         objformat="macho"
1875         enabled x86_64 && objformat="macho64"
1876         enabled shared ||
1877             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
1878         ;;
1879     mingw32*)
1880         if test $target_os = "mingw32ce"; then
1881             disable network
1882         else
1883             target_os=mingw32
1884         fi
1885         LIBTARGET=i386
1886         if enabled x86_64; then
1887             enable malloc_aligned
1888             LIBTARGET=x64
1889         elif enabled arm; then
1890             LIBTARGET=arm
1891         fi
1892         shlibdir_default="$bindir_default"
1893         disable ffserver
1894         SLIBPREF=""
1895         SLIBSUF=".dll"
1896         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1897         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1898         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1899         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1900             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1901             install -d "$(LIBDIR)"; \
1902             install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1903         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1904         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1905         objformat="win32"
1906         enable dos_paths
1907         check_cflags -fno-common
1908         if ! enabled x86_64; then
1909             check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1910                 die "ERROR: MinGW runtime version must be >= 3.15."
1911             enabled_any avisynth vfwcap_indev &&
1912                 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1913                   die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1914             fi
1915         ;;
1916     cygwin*)
1917         target_os=cygwin
1918         shlibdir_default="$bindir_default"
1919         SLIBPREF="cyg"
1920         SLIBSUF=".dll"
1921         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1922         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1923         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1924         objformat="win32"
1925         enable dos_paths
1926         check_cflags -fno-common
1927         ;;
1928     *-dos|freedos|opendos)
1929         disable ffplay ffserver
1930         disable $INDEV_LIST $OUTDEV_LIST
1931         network_extralibs="-lsocket"
1932         objformat="coff"
1933         enable dos_paths
1934         ;;
1935     linux)
1936         enable dv1394
1937         ;;
1938     irix*)
1939         target_os=irix
1940         ranlib="echo ignoring ranlib"
1941         ;;
1942     os/2*)
1943         strip="lxlite"
1944         ln_s="cp -f"
1945         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1946         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1947         FFSERVERLDFLAGS=""
1948         LIBSUF="_s.a"
1949         SLIBPREF=""
1950         SLIBSUF=".dll"
1951         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1952         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1953         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1954           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1955           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1956           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1957           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1958           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1959         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1960           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1961         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1962         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1963         enable dos_paths
1964         ;;
1965     gnu/kfreebsd)
1966         ;;
1967     gnu)
1968         ;;
1969
1970     *)
1971         die "Unknown OS '$target_os'."
1972         ;;
1973 esac
1974
1975 set_default $PATHS_LIST
1976
1977 add_extralibs $osextralibs
1978
1979 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1980 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1981
1982 # we need to build at least one lib type
1983 if ! enabled_any static shared; then
1984     cat <<EOF
1985 At least one library type must be built.
1986 Specify --enable-static to build the static libraries or --enable-shared to
1987 build the shared libraries as well. To only build the shared libraries specify
1988 --disable-static in addition to --enable-shared.
1989 EOF
1990     exit 1;
1991 fi
1992
1993 disabled static && LIBNAME=""
1994
1995 if enabled_any libfaad libfaadbin ; then
1996     if check_header faad.h; then
1997         check_cc <<EOF
1998 #include <faad.h>
1999 #ifndef FAAD2_VERSION
2000 ok faad1
2001 #endif
2002 int main(void) { return 0; }
2003 EOF
2004         test $? = 0 && enable libfaad2
2005     else
2006         die "FAAD test failed."
2007     fi
2008 fi
2009
2010
2011 die_license_disabled() {
2012     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2013 }
2014
2015 die_license_disabled gpl libfaad2
2016 die_license_disabled gpl libx264
2017 die_license_disabled gpl libxvid
2018 die_license_disabled gpl postproc
2019 die_license_disabled gpl x11grab
2020
2021 die_license_disabled nonfree libfaac
2022
2023 die_license_disabled version3 libopencore_amrnb
2024 die_license_disabled version3 libopencore_amrwb
2025
2026 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2027
2028 check_deps $ARCH_EXT_LIST
2029
2030 disabled optimizations || check_cflags -fomit-frame-pointer
2031
2032 check_cc <<EOF || die "Symbol mangling check failed."
2033 int ff_extern;
2034 EOF
2035 sym=$($nm -P -g $TMPO | grep ff_extern)
2036 extern_prefix=${sym%%ff_extern*}
2037
2038 check_cc <<EOF && enable inline_asm
2039 void foo(void) { __asm__ volatile ("" ::); }
2040 EOF
2041
2042 _restrict=
2043 for restrict_keyword in restrict __restrict__ __restrict; do
2044     check_cc <<EOF && _restrict=$restrict_keyword && break
2045 void foo(char * $restrict_keyword p);
2046 EOF
2047 done
2048
2049 check_cc <<EOF && enable attribute_packed
2050 struct { int x; } __attribute__((packed)) x;
2051 EOF
2052
2053 check_cc <<EOF || die "endian test failed"
2054 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2055 EOF
2056 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2057
2058 if enabled arm; then
2059
2060     check_ld <<EOF && enable vfp_args
2061 __asm__ (".eabi_attribute 28, 1");
2062 int main(void) { return 0; }
2063 EOF
2064
2065     # We have to check if pld is a nop and disable it.
2066     check_asm pld '"pld [r0]"'
2067
2068     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2069     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2070     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2071     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2072     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2073     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2074
2075 elif enabled mips; then
2076
2077     check_asm loongson '"dmult.g $1, $2, $3"'
2078     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2079
2080 elif enabled ppc; then
2081
2082     check_asm dcbzl     '"dcbzl 0, 1"'
2083     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2084     check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2085
2086     # AltiVec flags: The FSF version of GCC differs from the Apple version
2087     if enabled altivec; then
2088         check_cflags -maltivec -mabi=altivec &&
2089         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2090         check_cflags -faltivec
2091
2092         # check if our compiler supports Motorola AltiVec C API
2093         check_cc <<EOF || disable altivec
2094 $inc_altivec_h
2095 int main(void) {
2096     vector signed int v1, v2, v3;
2097     v1 = vec_add(v2,v3);
2098     return 0;
2099 }
2100 EOF
2101
2102         # check if our compiler supports braces for vector declarations
2103         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2104 $inc_altivec_h
2105 int main (void) { (vector int) {1}; return 0; }
2106 EOF
2107     fi
2108
2109 elif enabled sparc; then
2110
2111     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2112         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2113
2114 elif enabled x86; then
2115
2116     # check whether EBP is available on x86
2117     # As 'i' is stored on the stack, this program will crash
2118     # if the base pointer is used to access it because the
2119     # base pointer is cleared in the inline assembly code.
2120     check_exec_crash <<EOF && enable ebp_available
2121     volatile int i=0;
2122     __asm__ volatile (
2123         "xorl %%ebp, %%ebp"
2124     ::: "%ebp");
2125     return i;
2126 EOF
2127
2128     # check wether EBX is available on x86
2129     check_asm ebx_available '"":::"%ebx"'
2130
2131     # check whether more than 10 operands are supported
2132     check_cc <<EOF && enable ten_operands
2133 int main(void) {
2134     int x=0;
2135     __asm__ volatile(
2136         ""
2137         :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2138     );
2139     return 0;
2140 }
2141 EOF
2142
2143     # check whether binutils is new enough to compile SSSE3/MMX2
2144     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2145     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2146
2147     check_asm bswap '"bswap %%eax" ::: "%eax"'
2148
2149     YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2150     enabled     x86_64        && append YASMFLAGS "-m amd64"
2151     enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
2152     case "$objformat" in
2153         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2154         macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
2155         *)                    append YASMFLAGS "-DPREFIX"  ;;
2156     esac
2157     disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2158
2159 fi
2160
2161 if check_func dlopen; then
2162     ldl=
2163 elif check_func dlopen -ldl; then
2164     ldl=-ldl
2165 fi
2166
2167 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2168 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2169
2170 check_func  fork
2171 check_func  gethrtime
2172 check_func  getrusage
2173 check_func  inet_aton $network_extralibs
2174 check_func  isatty
2175 check_func  memalign
2176 check_func  mkstemp
2177 check_func  posix_memalign
2178 check_func_headers io.h setmode
2179 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2180 check_func_headers windows.h GetProcessTimes
2181 check_func_headers windows.h VirtualAlloc
2182
2183 check_header conio.h
2184 check_header dlfcn.h
2185 check_header malloc.h
2186 check_header poll.h
2187 check_header sys/mman.h
2188 check_header sys/resource.h
2189 check_header sys/select.h
2190 check_header termios.h
2191 check_header vdpau/vdpau.h
2192 check_header vdpau/vdpau_x11.h
2193 check_header X11/extensions/XvMClib.h
2194
2195 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2196      enabled_any $need_memalign ; then
2197     die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2198 fi
2199
2200 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2201 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2202
2203 # check for some common methods of building with pthread support
2204 # do this before the optional library checks as some of them require pthreads
2205 if enabled pthreads; then
2206     if check_func pthread_create; then
2207         :
2208     elif check_func pthread_create -pthread; then
2209         add_cflags -pthread
2210         add_extralibs -pthread
2211     elif check_func pthread_create -pthreads; then
2212         add_cflags -pthreads
2213         add_extralibs -pthreads
2214     elif check_func pthread_create -lpthreadGC2; then
2215         add_extralibs -lpthreadGC2
2216     elif ! check_lib pthread.h pthread_create -lpthread; then
2217         die "ERROR: can't find pthreads library"
2218     fi
2219 fi
2220
2221 for thread in $THREADS_LIST; do
2222     if enabled $thread; then
2223         test -n "$thread_type" &&
2224             die "ERROR: Only one thread type must be selected." ||
2225             thread_type="$thread"
2226     fi
2227 done
2228
2229 check_lib math.h sin -lm
2230 check_lib va/va.h vaInitialize -lva
2231
2232 check_func llrint
2233 check_func log2
2234 check_func lrint
2235 check_func lrintf
2236 check_func round
2237 check_func roundf
2238 check_func truncf
2239
2240 # these are off by default, so fail if requested and not available
2241 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2242 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2243                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2244                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2245 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2246 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2247 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2248 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2249 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2250 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2251 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2252 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2253 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2254                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2255 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2256 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2257 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2258 enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2259                       { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2260                         die "ERROR: libx264 version must be >= 0.65."; }
2261 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2262 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2263
2264 # libdc1394 check
2265 if enabled libdc1394; then
2266     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2267         enable libdc1394_2; } ||
2268     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2269         enable libdc1394_1; } ||
2270     die "ERROR: No version of libdc1394 found "
2271 fi
2272
2273 disable sdl_too_old
2274 disable sdl
2275 SDL_CONFIG="${cross_prefix}sdl-config"
2276 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2277     sdl_cflags=$("${SDL_CONFIG}" --cflags)
2278     temp_cflags $sdl_cflags
2279     temp_extralibs $("${SDL_CONFIG}" --libs)
2280     if check_lib2 SDL.h SDL_Init; then
2281         _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2282         if test "$_sdlversion" -lt 121 ; then
2283             enable sdl_too_old
2284         else
2285             enable sdl
2286             check_cc $sdl_cflags <<EOF && enable sdl_video_size
2287 #include <SDL.h>
2288 int main(int argc, char **argv){
2289     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2290     int w = vi->current_w;
2291     return 0;
2292 }
2293 EOF
2294         fi
2295     fi
2296     restore_flags
2297 fi
2298
2299 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2300
2301 if enabled network; then
2302     check_type "sys/types.h sys/socket.h" socklen_t
2303     # Prefer arpa/inet.h over winsock2
2304     if check_header arpa/inet.h ; then
2305         check_func closesocket
2306     elif check_header winsock2.h ; then
2307         check_func_headers winsock2.h closesocket -lws2 && \
2308             network_extralibs="-lws2" || \
2309         { check_func_headers winsock2.h closesocket -lws2_32 && \
2310             network_extralibs="-lws2_32"; }
2311         check_type ws2tcpip.h socklen_t
2312     else
2313         disable network
2314     fi
2315 fi
2316
2317 enabled_all network ipv6 && check_ld <<EOF || disable ipv6
2318 #include <sys/types.h>
2319 #include <sys/socket.h>
2320 #include <netinet/in.h>
2321 #include <netdb.h>
2322 int main(void) {
2323     struct sockaddr_storage saddr;
2324     struct ipv6_mreq mreq6;
2325     getaddrinfo(0,0,0,0);
2326     getnameinfo(0,0,0,0,0,0,0);
2327     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2328 }
2329 EOF
2330
2331 check_header linux/videodev.h
2332 check_header linux/videodev2.h
2333 check_header sys/videoio.h
2334
2335 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2336
2337 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2338 { check_header dev/bktr/ioctl_meteor.h &&
2339   check_header dev/bktr/ioctl_bt848.h; } ||
2340 { check_header machine/ioctl_meteor.h &&
2341   check_header machine/ioctl_bt848.h; } ||
2342 { check_header dev/video/meteor/ioctl_meteor.h &&
2343   check_header dev/video/bktr/ioctl_bt848.h; } ||
2344 check_header dev/ic/bt8xx.h
2345
2346 check_header sys/soundcard.h
2347 check_header soundcard.h
2348
2349 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2350
2351 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2352
2353 enabled x11grab                         &&
2354 check_header X11/Xlib.h                 &&
2355 check_header X11/extensions/XShm.h      &&
2356 check_func XOpenDisplay -lX11           &&
2357 check_func XShmCreateImage -lX11 -lXext
2358
2359 enabled debug && add_cflags -g"$debuglevel"
2360
2361 # add some useful compiler flags if supported
2362 check_cflags -Wdeclaration-after-statement
2363 check_cflags -Wall
2364 check_cflags -Wno-switch
2365 check_cflags -Wdisabled-optimization
2366 check_cflags -Wpointer-arith
2367 check_cflags -Wredundant-decls
2368 check_cflags -Wno-pointer-sign
2369 check_cflags -Wcast-qual
2370 check_cflags -Wwrite-strings
2371 check_cflags -Wtype-limits
2372 check_cflags -Wundef
2373 enabled extra_warnings && check_cflags -Winline
2374
2375 # add some linker flags
2376 check_ldflags -Wl,--warn-common
2377 check_ldflags -Wl,--as-needed
2378 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2379 check_ldflags -Wl,-Bsymbolic
2380
2381 if enabled small; then
2382     check_cflags -Os            # not all compilers support -Os
2383     optimizations="small"
2384 elif enabled optimizations; then
2385     if enabled xlc; then
2386         add_cflags  -O5
2387         add_ldflags -O5
2388     elif enabled ccc; then
2389         add_cflags -fast
2390     else
2391         add_cflags -O3
2392     fi
2393 fi
2394 check_cflags -fno-math-errno
2395 check_cflags -fno-signed-zeros
2396
2397 if enabled icc; then
2398     # Just warnings, no remarks
2399     check_cflags -w1
2400     # -wd: Disable following warnings
2401     # 144, 167, 556: -Wno-pointer-sign
2402     # 10006: ignoring unknown option -fno-signed-zeros
2403     # 10156: ignoring option '-W'; no argument required
2404     check_cflags -wd144,167,556,10006,10156
2405     # 11030: Warning unknown option --as-needed
2406     # 10156: ignoring option '-export'; no argument required
2407     check_ldflags -wd10156,11030
2408     # Allow to compile with optimizations
2409     check_ldflags -march=$cpu
2410     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2411     enable ebp_available
2412 elif enabled ccc; then
2413     # disable some annoying warnings
2414     add_cflags -msg_disable cvtu32to64
2415     add_cflags -msg_disable embedcomment
2416     add_cflags -msg_disable needconstext
2417     add_cflags -msg_disable nomainieee
2418     add_cflags -msg_disable ptrmismatch1
2419     add_cflags -msg_disable unreachcode
2420 elif enabled gcc; then
2421     check_cflags -fno-tree-vectorize
2422 fi
2423
2424 enabled pic && LIBOBJFLAGS='$(PIC)'
2425
2426 if enabled gprof; then
2427     add_cflags  -p
2428     add_ldflags -p
2429 fi
2430
2431 # Find out if the .align argument is a power of two or not.
2432 check_asm asmalign_pot '".align 3"'
2433
2434 enabled_any $DECODER_LIST      && enable decoders
2435 enabled_any $ENCODER_LIST      && enable encoders
2436 enabled_any $HWACCEL_LIST      && enable hwaccels
2437 enabled_any $BSF_LIST          && enable bsfs
2438 enabled_any $DEMUXER_LIST      && enable demuxers
2439 enabled_any $MUXER_LIST        && enable muxers
2440 enabled_any $FILTER_LIST       && enable filters
2441 enabled_any $INDEV_LIST        && enable indevs
2442 enabled_any $OUTDEV_LIST       && enable outdevs
2443 enabled_any $PROTOCOL_LIST     && enable protocols
2444
2445 enabled_any $THREADS_LIST      && enable threads
2446
2447 check_deps $CONFIG_LIST       \
2448            $CONFIG_EXTRA      \
2449            $HAVE_LIST         \
2450            $DECODER_LIST      \
2451            $ENCODER_LIST      \
2452            $HWACCEL_LIST      \
2453            $PARSER_LIST       \
2454            $BSF_LIST          \
2455            $DEMUXER_LIST      \
2456            $MUXER_LIST        \
2457            $FILTER_LIST       \
2458            $INDEV_LIST        \
2459            $OUTDEV_LIST       \
2460            $PROTOCOL_LIST     \
2461
2462 echo "install prefix            $prefix"
2463 echo "source path               $source_path"
2464 echo "C compiler                $cc"
2465 echo ".align is power-of-two    $asmalign_pot"
2466 echo "ARCH                      $arch ($cpu)"
2467 if test "$build_suffix" != ""; then
2468     echo "build suffix              $build_suffix"
2469 fi
2470 if test "$extra_version" != ""; then
2471     echo "version string suffix     $extra_version"
2472 fi
2473 echo "big-endian                ${bigendian-no}"
2474 echo "runtime cpu detection     ${runtime_cpudetect-no}"
2475 if enabled x86; then
2476     echo "yasm                      ${yasm-no}"
2477     echo "MMX enabled               ${mmx-no}"
2478     echo "MMX2 enabled              ${mmx2-no}"
2479     echo "3DNow! enabled            ${amd3dnow-no}"
2480     echo "3DNow! extended enabled   ${amd3dnowext-no}"
2481     echo "SSE enabled               ${sse-no}"
2482     echo "SSSE3 enabled             ${ssse3-no}"
2483     echo "CMOV enabled              ${cmov-no}"
2484     echo "CMOV is fast              ${fast_cmov-no}"
2485     echo "EBX available             ${ebx_available-no}"
2486     echo "EBP available             ${ebp_available-no}"
2487     echo "10 operands supported     ${ten_operands-no}"
2488 fi
2489 if enabled arm; then
2490     echo "ARMv5TE enabled           ${armv5te-no}"
2491     echo "ARMv6 enabled             ${armv6-no}"
2492     echo "ARMv6T2 enabled           ${armv6t2-no}"
2493     echo "ARM VFP enabled           ${armvfp-no}"
2494     echo "IWMMXT enabled            ${iwmmxt-no}"
2495     echo "NEON enabled              ${neon-no}"
2496 fi
2497 if enabled mips; then
2498     echo "MMI enabled               ${mmi-no}"
2499 fi
2500 if enabled ppc; then
2501     echo "AltiVec enabled           ${altivec-no}"
2502     echo "PPC 4xx optimizations     ${ppc4xx-no}"
2503     echo "dcbzl available           ${dcbzl-no}"
2504     echo "performance report        ${powerpc_perf-no}"
2505 fi
2506 if enabled sparc; then
2507     echo "VIS enabled               ${vis-no}"
2508 fi
2509 echo "gprof enabled             ${gprof-no}"
2510 echo "debug symbols             ${debug-no}"
2511 echo "strip symbols             ${stripping-no}"
2512 echo "optimizations             ${optimizations-no}"
2513 echo "static                    ${static-no}"
2514 echo "shared                    ${shared-no}"
2515 echo "postprocessing support    ${postproc-no}"
2516 echo "new filter support        ${avfilter-no}"
2517 echo "filters using lavformat   ${avfilter_lavf-no}"
2518 echo "network support           ${network-no}"
2519 if enabled network; then
2520     echo "IPv6 support              ${ipv6-no}"
2521 fi
2522 echo "threading support         ${thread_type-no}"
2523 echo "SDL support               ${sdl-no}"
2524 if enabled sdl_too_old; then
2525     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2526 fi
2527 echo "Sun medialib support      ${mlib-no}"
2528 echo "AVISynth enabled          ${avisynth-no}"
2529 echo "libdc1394 support         ${libdc1394-no}"
2530 echo "libdirac enabled          ${libdirac-no}"
2531 echo "libfaac enabled           ${libfaac-no}"
2532 echo "libfaad enabled           ${libfaad-no}"
2533 echo "libfaad dlopened          ${libfaadbin-no}"
2534 echo "libgsm enabled            ${libgsm-no}"
2535 echo "libmp3lame enabled        ${libmp3lame-no}"
2536 echo "libnut enabled            ${libnut-no}"
2537 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2538 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2539 echo "libopenjpeg enabled       ${libopenjpeg-no}"
2540 echo "libschroedinger enabled   ${libschroedinger-no}"
2541 echo "libspeex enabled          ${libspeex-no}"
2542 echo "libtheora enabled         ${libtheora-no}"
2543 echo "libvorbis enabled         ${libvorbis-no}"
2544 echo "libx264 enabled           ${libx264-no}"
2545 echo "libxvid enabled           ${libxvid-no}"
2546 echo "zlib enabled              ${zlib-no}"
2547 echo "bzlib enabled             ${bzlib-no}"
2548 echo
2549
2550 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2551     echo "Enabled ${type}s:"
2552     eval list=\$$(toupper $type)_LIST
2553     for part in $list; do
2554         enabled $part && echo ${part%_*}
2555     done | sort | pr -3 -t
2556     echo
2557 done
2558
2559 license="LGPL version 2.1 or later"
2560 if enabled nonfree; then
2561     license="nonfree and unredistributable"
2562 elif enabled gplv3; then
2563     license="GPL version 3 or later"
2564 elif enabled lgplv3; then
2565     license="LGPL version 3 or later"
2566 elif enabled gpl; then
2567     license="GPL version 2 or later"
2568 fi
2569
2570 echo "License: $license"
2571
2572 echo "Creating config.mak and config.h..."
2573
2574 echo "# Automatically generated by configure - do not modify!" > config.mak
2575 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2576 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2577 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2578 echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2579 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2580
2581 echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2582 echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2583
2584 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2585 echo "prefix=$prefix" >> config.mak
2586 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2587 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2588 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2589 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2590 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2591 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2592 echo "SRC_PATH=\"$source_path\"" >> config.mak
2593 echo "SRC_PATH_BARE=$source_path" >> config.mak
2594 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2595 echo "CC=$cc" >> config.mak
2596 echo "AS=$as" >> config.mak
2597 echo "LD=$ld" >> config.mak
2598 echo "DEPCC=$dep_cc" >> config.mak
2599 echo "YASM=$yasmexe" >> config.mak
2600 echo "AR=$ar" >> config.mak
2601 echo "RANLIB=$ranlib" >> config.mak
2602 echo "LN_S=$ln_s" >> config.mak
2603 enabled stripping &&
2604     echo "STRIP=$strip" >> config.mak ||
2605     echo "STRIP=echo ignoring strip" >> config.mak
2606
2607 echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2608 echo "CFLAGS=$CFLAGS" >> config.mak
2609 echo "ASFLAGS=$ASFLAGS" >> config.mak
2610 echo "CC_O=$CC_O" >> config.mak
2611 echo "LDFLAGS=$LDFLAGS" >> config.mak
2612 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2613 echo "SHFLAGS=$SHFLAGS" >> config.mak
2614 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2615 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2616 echo "PIC=-fPIC -DPIC" >> config.mak
2617 echo "BUILDSUF=$build_suffix" >> config.mak
2618 echo "FULLNAME=$FULLNAME" >> config.mak
2619 echo "LIBPREF=$LIBPREF" >> config.mak
2620 echo "LIBSUF=$LIBSUF" >> config.mak
2621 echo "LIBNAME=$LIBNAME" >> config.mak
2622 echo "SLIBPREF=$SLIBPREF" >> config.mak
2623 echo "SLIBSUF=$SLIBSUF" >> config.mak
2624 echo "EXESUF=$EXESUF" >> config.mak
2625 echo "EXTRA_VERSION=$extra_version" >> config.mak
2626 echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2627 echo "CCDEP=$CCDEP" >> config.mak
2628 echo "ASDEP=$ASDEP" >> config.mak
2629 echo "CC_DEPFLAGS=$CC_DEPFLAGS" >> config.mak
2630 echo "AS_DEPFLAGS=$AS_DEPFLAGS" >> config.mak
2631 echo "HOSTCC=$host_cc" >> config.mak
2632 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2633 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2634 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2635 echo "HOSTLIBS=$host_libs" >> config.mak
2636 echo "TARGET_EXEC=$target_exec" >> config.mak
2637 echo "TARGET_PATH=$target_path" >> config.mak
2638
2639 if enabled sdl; then
2640     echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2641     echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2642 fi
2643 if enabled texi2html; then
2644     echo "BUILD_DOC=yes" >> config.mak
2645 fi
2646
2647 get_version(){
2648     name=$1
2649     file=$source_path/$2
2650     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2651     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2652     lcname=$(tolower $name)
2653     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2654     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2655 }
2656
2657 get_version LIBSWSCALE  libswscale/swscale.h
2658 get_version LIBPOSTPROC libpostproc/postprocess.h
2659 get_version LIBAVCODEC  libavcodec/avcodec.h
2660 get_version LIBAVDEVICE libavdevice/avdevice.h
2661 get_version LIBAVFORMAT libavformat/avformat.h
2662 get_version LIBAVUTIL   libavutil/avutil.h
2663 get_version LIBAVFILTER libavfilter/avfilter.h
2664
2665 if enabled shared; then
2666     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2667     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2668     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2669     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2670     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2671     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2672     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2673     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2674 fi
2675 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2676 echo "EXTRALIBS=$extralibs" >> config.mak
2677
2678 echo "ARCH=$arch" >> config.mak
2679
2680 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2681 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2682 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2683                                       $CONFIG_EXTRA      \
2684                                       $DECODER_LIST      \
2685                                       $ENCODER_LIST      \
2686                                       $HWACCEL_LIST      \
2687                                       $PARSER_LIST       \
2688                                       $BSF_LIST          \
2689                                       $DEMUXER_LIST      \
2690                                       $MUXER_LIST        \
2691                                       $FILTER_LIST       \
2692                                       $PROTOCOL_LIST     \
2693                                       $INDEV_LIST        \
2694                                       $OUTDEV_LIST       \
2695
2696 echo "#define restrict $_restrict" >> $TMPH
2697
2698 if enabled small || disabled optimizations; then
2699     echo "#define av_always_inline"  >> $TMPH
2700 fi
2701
2702
2703 # Apparently it's not possible to portably echo a backslash.
2704 enabled asmalign_pot &&
2705     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2706     printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2707
2708 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2709
2710 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2711 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2712
2713 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2714 cmp -s $TMPH config.h &&
2715     echo "config.h is unchanged" ||
2716     mv -f $TMPH config.h
2717
2718 # build tree in object directory if source path is different from current one
2719 if enabled source_path_used; then
2720     DIRS="\
2721         doc               \
2722         libavcodec        \
2723         libavcodec/alpha  \
2724         libavcodec/arm    \
2725         libavcodec/bfin   \
2726         libavcodec/mlib   \
2727         libavcodec/ppc    \
2728         libavcodec/sh4    \
2729         libavcodec/sparc  \
2730         libavcodec/x86    \
2731         libavdevice       \
2732         libavfilter       \
2733         libavformat       \
2734         libavutil         \
2735         libpostproc       \
2736         libswscale        \
2737         libswscale/bfin   \
2738         libswscale/mlib   \
2739         libswscale/ppc    \
2740         libswscale/sparc  \
2741         libswscale/x86    \
2742         tests             \
2743         tools             \
2744         "
2745     FILES="\
2746         Makefile             \
2747         common.mak           \
2748         subdir.mak           \
2749         doc/texi2pod.pl      \
2750         libavcodec/Makefile  \
2751         libavdevice/Makefile \
2752         libavfilter/Makefile \
2753         libavformat/Makefile \
2754         libavutil/Makefile   \
2755         libpostproc/Makefile \
2756         libswscale/Makefile  \
2757         "
2758     for dir in $DIRS ; do
2759         mkdir -p $dir
2760     done
2761     for f in $FILES ; do
2762         $ln_s "$source_path/$f" $f
2763     done
2764 fi
2765
2766
2767 # build pkg-config files
2768
2769 pkgconfig_generate(){
2770 name=$1
2771 shortname=${name#lib}${build_suffix}
2772 comment=$2
2773 version=$3
2774 libs=$4
2775 requires=$5
2776 cat <<EOF > $name/$name.pc
2777 prefix=$prefix
2778 exec_prefix=\${prefix}
2779 libdir=$libdir
2780 includedir=$incdir
2781
2782 Name: $name
2783 Description: $comment
2784 Version: $version
2785 Requires: $(disabled shared && echo $requires)
2786 Requires.private: $(enabled shared && echo $requires)
2787 Conflicts:
2788 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2789 Libs.private: $(enabled shared && echo $libs)
2790 Cflags: -I\${includedir}
2791 EOF
2792 cat <<EOF > $name/$name-uninstalled.pc
2793 prefix=
2794 exec_prefix=
2795 libdir=\${pcfiledir}
2796 includedir=${source_path}
2797
2798 Name: $name
2799 Description: $comment
2800 Version: $version
2801 Requires: $requires
2802 Conflicts:
2803 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2804 Cflags: -I\${includedir}
2805 EOF
2806 }
2807
2808 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2809 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2810 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2811 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2812 enabled avfilter &&
2813     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2814 enabled postproc &&
2815     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2816 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"