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