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 rtmp_protocol_deps="tcp_protocol"
1220 rtp_protocol_deps="udp_protocol"
1221 tcp_protocol_deps="network"
1222 udp_protocol_deps="network"
1223
1224 # filters
1225 movie_filter_deps="avfilter_lavf"
1226
1227 # programs
1228 ffplay_deps="sdl"
1229 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1230 ffserver_extralibs='$ldl'
1231
1232
1233 # default parameters
1234
1235 logfile="config.err"
1236
1237 # installation paths
1238 prefix_default="/usr/local"
1239 bindir_default='${prefix}/bin'
1240 datadir_default='${prefix}/share/ffmpeg'
1241 incdir_default='${prefix}/include'
1242 libdir_default='${prefix}/lib'
1243 mandir_default='${prefix}/share/man'
1244 shlibdir_default="$libdir_default"
1245
1246 # toolchain
1247 ar="ar"
1248 cc_default="gcc"
1249 host_cc_default="gcc"
1250 ln_s="ln -sf"
1251 nm_default="nm"
1252 objformat="elf"
1253 ranlib="ranlib"
1254 strip="strip"
1255 yasmexe="yasm"
1256
1257 # machine
1258 arch=$(uname -m)
1259 cpu="generic"
1260
1261 # OS
1262 target_os=$(tolower $(uname -s))
1263 host_os=$target_os
1264
1265 # configurable options
1266 enable debug
1267 enable fastdiv
1268 enable ffmpeg
1269 enable ffplay
1270 enable ffserver
1271 enable ipv6
1272 enable mpegaudio_hp
1273 enable network
1274 enable optimizations
1275 enable protocols
1276 enable static
1277 enable stripping
1278 enable swscale_alpha
1279
1280 # build settings
1281 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1282 FFSERVERLDFLAGS=-Wl,-E
1283 LIBPREF="lib"
1284 LIBSUF=".a"
1285 FULLNAME='$(NAME)$(BUILDSUF)'
1286 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1287 SLIBPREF="lib"
1288 SLIBSUF=".so"
1289 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1290 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1291 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1292 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1293
1294 CC_O='-o $@'
1295
1296 host_cflags='-O3 -g -Wall'
1297 host_libs='-lm'
1298
1299 target_path='.'
1300
1301 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1302 # full relative path for objects in subdirectories for non-recursive Make.
1303 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $@'
1304 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1305
1306 # find source path
1307 source_path="$(dirname "$0")"
1308 enable source_path_used
1309 if test -f configure; then
1310     source_path="$(pwd)"
1311     disable source_path_used
1312 else
1313     source_path="$(cd "$source_path"; pwd)"
1314     echo "$source_path" | grep -q '[[:blank:]]' &&
1315         die "Out of tree builds are impossible with whitespace in source path."
1316     test -e "$source_path/config.h" &&
1317         die "Out of tree builds are impossible with config.h in source dir."
1318 fi
1319
1320 for v in "$@"; do
1321     r=${v#*=}
1322     l=${v%"$r"}
1323     r=$(sh_quote "$r")
1324     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1325 done
1326
1327 find_things(){
1328     thing=$1
1329     pattern=$2
1330     file=$source_path/$3
1331     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1332 }
1333
1334 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1335 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1336 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1337 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1338 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1339 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1340 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1341 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1342 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1343 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1344 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1345
1346 enable $ARCH_EXT_LIST \
1347        $DECODER_LIST \
1348        $ENCODER_LIST \
1349        $HWACCEL_LIST \
1350        $PARSER_LIST \
1351        $BSF_LIST \
1352        $DEMUXER_LIST \
1353        $MUXER_LIST \
1354        $FILTER_LIST \
1355        $PROTOCOL_LIST \
1356        $INDEV_LIST \
1357        $OUTDEV_LIST \
1358
1359 die_unknown(){
1360     echo "Unknown option \"$1\"."
1361     echo "See $0 --help for available options."
1362     exit 1
1363 }
1364
1365 show_list() {
1366     suffix=_$1
1367     shift
1368     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1369     exit 0
1370 }
1371
1372 for opt do
1373     optval="${opt#*=}"
1374     case "$opt" in
1375     --extra-ldflags=*) add_ldflags $optval
1376     ;;
1377     --extra-libs=*) add_extralibs $optval
1378     ;;
1379     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1380     ;;
1381     --enable-debug=*) debuglevel="$optval"
1382     ;;
1383     --enable-*=*|--disable-*=*)
1384     eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1385     case "$thing" in
1386         encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1387         *) die_unknown "$opt" ;;
1388     esac
1389     ;;
1390     --enable-?*|--disable-?*)
1391     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1392     if is_in $option $COMPONENT_LIST; then
1393         test $action = disable && action=unset
1394         eval $action \$$(toupper ${option%s})_LIST
1395     elif is_in $option $CMDLINE_SELECT; then
1396         $action $option
1397     else
1398         die_unknown $opt
1399     fi
1400     ;;
1401     --list-*)
1402         NAME="${opt#--list-}"
1403         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1404         NAME=${NAME%s}
1405         eval show_list $NAME \$$(toupper $NAME)_LIST
1406     ;;
1407     --help|-h) show_help
1408     ;;
1409     *)
1410     optname="${opt%%=*}"
1411     optname="${optname#--}"
1412     optname=$(echo "$optname" | sed 's/-/_/g')
1413     if is_in $optname $CMDLINE_SET; then
1414         eval $optname='$optval'
1415     elif is_in $optname $CMDLINE_APPEND; then
1416         append $optname "$optval"
1417     else
1418          die_unknown $opt
1419     fi
1420     ;;
1421     esac
1422 done
1423
1424 disabled logging && logfile=/dev/null
1425
1426 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1427 set >> $logfile
1428
1429 test -n "$cross_prefix" && enable cross_compile
1430
1431 ar="${cross_prefix}${ar}"
1432 cc_default="${cross_prefix}${cc_default}"
1433 nm_default="${cross_prefix}${nm_default}"
1434 ranlib="${cross_prefix}${ranlib}"
1435 strip="${cross_prefix}${strip}"
1436
1437 sysinclude_default="${sysroot}/usr/include"
1438
1439 set_default cc nm sysinclude
1440 enabled cross_compile || host_cc_default=$cc
1441 set_default host_cc
1442
1443 exesuf() {
1444     case $1 in
1445         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1446     esac
1447 }
1448
1449 EXESUF=$(exesuf $target_os)
1450 HOSTEXESUF=$(exesuf $host_os)
1451
1452 # set temporary file name
1453 : ${TMPDIR:=$TEMPDIR}
1454 : ${TMPDIR:=$TMP}
1455 : ${TMPDIR:=/tmp}
1456
1457 if ! check_cmd type mktemp; then
1458     # simple replacement for missing mktemp
1459     # NOT SAFE FOR GENERAL USE
1460     mktemp(){
1461         echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1462     }
1463 fi
1464
1465 tmpfile(){
1466     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1467         (set -C; exec > $tmp) 2>/dev/null ||
1468         die "Unable to create temoporary file in $TMPDIR."
1469     append TMPFILES $tmp
1470     eval $1=$tmp
1471 }
1472
1473 trap 'rm -f -- $TMPFILES' EXIT
1474 trap exit HUP INT TERM
1475
1476 tmpfile TMPC  .c
1477 tmpfile TMPE  $EXESUF
1478 tmpfile TMPH  .h
1479 tmpfile TMPO  .o
1480 tmpfile TMPS  .S
1481 tmpfile TMPSH .sh
1482
1483 unset -f mktemp
1484
1485 # make sure we can execute files in $TMPDIR
1486 cat > $TMPSH 2>> $logfile <<EOF
1487 #! /bin/sh
1488 EOF
1489 chmod +x $TMPSH >> $logfile 2>&1
1490 if ! $TMPSH >> $logfile 2>&1; then
1491     cat <<EOF
1492 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1493 variable to another directory and make sure that it is not mounted noexec.
1494 EOF
1495     die "Sanity test failed."
1496 fi
1497
1498 filter_cflags=echo
1499 filter_cppflags=echo
1500 filter_asflags=echo
1501
1502 if   $cc --version 2>/dev/null | grep -qi gcc; then
1503     cc_type=gcc
1504 elif $cc --version 2>/dev/null | grep -q Intel; then
1505     cc_type=icc
1506 elif $cc -v 2>&1 | grep -q xlc; then
1507     cc_type=xlc
1508 elif $cc -V 2>/dev/null | grep -q Compaq; then
1509     cc_type=ccc
1510     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1511     debuglevel=3
1512     add_ldflags -Wl,-z,now # calls to libots crash without this
1513 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1514     test -d "$sysroot" || die "No valid sysroot specified."
1515     cc_type=armcc
1516     armcc_conf="$PWD/armcc.conf"
1517     $cc --arm_linux_configure                 \
1518         --arm_linux_config_file="$armcc_conf" \
1519         --configure_sysroot="$sysroot"        \
1520         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1521         die "Error creating armcc configuration file."
1522     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1523     as_default="${cross_prefix}gcc"
1524 elif $cc -version 2>/dev/null | grep -q TMS470; then
1525     cc_type=tms470
1526     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1527     CC_O='-fr=$(@D)'
1528     as_default="${cross_prefix}gcc"
1529     ld_default="${cross_prefix}gcc"
1530     dep_cc_default="${cross_prefix}gcc"
1531     TMPO=$(basename $TMPC .c).o
1532     append TMPFILES $TMPO
1533     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1534     DEPFLAGS='$(CPPFLAGS) -MM'
1535     filter_cflags=tms470_flags
1536     tms470_flags(){
1537         for flag; do
1538             case $flag in
1539                 -march=*|-mcpu=*)
1540                     case "${flag#*=}" in
1541                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
1542                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
1543                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
1544                         armv6*|arm11*)          echo -mv=6   ;;
1545                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1546                                                 echo -mv=5e  ;;
1547                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1548                     esac
1549                     ;;
1550                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1551                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
1552                 -mfpu=softvfp)  echo --float_support=vfplib       ;;
1553                 -Os)            echo -O3 -mf=2                    ;;
1554                 -O[0-3])        echo $flag -mf=5                  ;;
1555                 -g)             echo -g -mn                       ;;
1556             esac
1557         done
1558     }
1559 fi
1560
1561 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1562
1563 : ${as_default:=$cc}
1564 : ${dep_cc_default:=$cc}
1565 : ${ld_default:=$cc}
1566 set_default as dep_cc ld
1567
1568 add_cflags $extra_cflags
1569 add_asflags $extra_cflags
1570
1571 if test -n "$sysroot"; then
1572     case "$cc_type" in
1573         gcc)
1574             add_cppflags --sysroot="$sysroot"
1575             add_ldflags --sysroot="$sysroot"
1576         ;;
1577         tms470)
1578             add_cppflags -I"$sysinclude"
1579             add_ldflags  --sysroot="$sysroot"
1580         ;;
1581     esac
1582 fi
1583
1584 # Add processor-specific flags
1585 case $cpu in
1586     601|ppc601|PowerPC601)
1587         cpuflags="-mcpu=601"
1588     ;;
1589     603*|ppc603*|PowerPC603*)
1590         cpuflags="-mcpu=603"
1591     ;;
1592     604*|ppc604*|PowerPC604*)
1593         cpuflags="-mcpu=604"
1594     ;;
1595     G3|g3|75*|ppc75*|PowerPC75*)
1596         cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1597     ;;
1598     G4|g4|745*|ppc745*|PowerPC745*)
1599         cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1600     ;;
1601     74*|ppc74*|PowerPC74*)
1602         cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1603     ;;
1604     G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1605         cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1606     ;;
1607     Cell|CELL|cell)
1608         cpuflags="-mcpu=cell"
1609         enable ldbrx
1610     ;;
1611     # targets that do NOT support conditional mov (cmov)
1612     i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1613         cpuflags="-march=$cpu"
1614         disable cmov
1615     ;;
1616     # targets that do support conditional mov (cmov)
1617     i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1618         cpuflags="-march=$cpu"
1619         enable cmov
1620         enable fast_cmov
1621     ;;
1622     # targets that do support conditional mov but on which it's slow
1623     pentium4|pentium4m|prescott|nocona)
1624         cpuflags="-march=$cpu"
1625         enable cmov
1626         disable fast_cmov
1627     ;;
1628     sparc64)
1629         cpuflags="-mcpu=v9"
1630     ;;
1631     arm11*|cortex*)
1632         cpuflags="-mcpu=$cpu"
1633         enable fast_unaligned
1634     ;;
1635     armv[67]*)
1636         cpuflags="-march=$cpu"
1637         enable fast_unaligned
1638     ;;
1639     armv*)
1640         cpuflags="-march=$cpu"
1641     ;;
1642     arm*)
1643         cpuflags="-mcpu=$cpu"
1644     ;;
1645     ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1646         enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1647     ;;
1648     bf*)
1649         cpuflags="-mcpu=$cpu"
1650     ;;
1651     mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1652         cpuflags="-march=$cpu"
1653     ;;
1654     generic)
1655     ;;
1656     *)
1657         echo "WARNING: Unknown CPU \"$cpu\", ignored."
1658     ;;
1659 esac
1660
1661 add_cflags $cpuflags
1662 add_asflags $cpuflags
1663
1664 # compiler sanity check
1665 check_exec <<EOF
1666 int main(void){ return 0; }
1667 EOF
1668 if test "$?" != 0; then
1669     echo "$cc is unable to create an executable file."
1670     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1671         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1672         echo "Only do this if you know what cross compiling means."
1673     fi
1674     die "C compiler test failed."
1675 fi
1676
1677 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1678 check_cflags -std=c99
1679 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1680 #include <stdlib.h>
1681 EOF
1682 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1683 #include <stdlib.h>
1684 EOF
1685
1686 case "$arch" in
1687     alpha)
1688         arch="alpha"
1689         enable fast_64bit
1690         check_cflags -mieee
1691         pic=$shared
1692     ;;
1693     arm|armv[4567]*l)
1694         arch="arm"
1695     ;;
1696     avr32)
1697     ;;
1698     bfin)
1699         arch="bfin"
1700     ;;
1701     ia64)
1702         arch="ia64"
1703         enable fast_64bit
1704         pic=$shared
1705     ;;
1706     m68k)
1707         arch="m68k"
1708     ;;
1709     mips|mipsel|IP*)
1710         arch="mips"
1711         pic=$shared
1712     ;;
1713     mips64)
1714         arch="mips"
1715         subarch="mips64"
1716         enable fast_64bit
1717         pic=$shared
1718     ;;
1719     parisc|hppa)
1720         arch="parisc"
1721         pic=$shared
1722     ;;
1723     parisc64|hppa64)
1724         arch="parisc"
1725         enable fast_64bit
1726         pic=$shared
1727     ;;
1728     "Power Macintosh"|ppc|powerpc)
1729         arch="ppc"
1730         enable fast_unaligned
1731     ;;
1732     ppc64)
1733         arch="ppc"
1734         subarch="ppc64"
1735         enable fast_64bit
1736         enable fast_unaligned
1737     ;;
1738     s390|s390x)
1739         arch="s390"
1740     ;;
1741     sh4|sh)
1742         arch="sh4"
1743     ;;
1744     sparc)
1745         arch="sparc"
1746         pic=$shared
1747     ;;
1748     sun4u|sparc64)
1749         arch="sparc"
1750         subarch="sparc64"
1751         enable fast_64bit
1752         pic=$shared
1753     ;;
1754     i386|i486|i586|i686|i86pc|BePC)
1755         arch="x86"
1756         subarch="x86_32"
1757         enable fast_unaligned
1758     ;;
1759     x86_64|amd64)
1760         arch="x86"
1761         subarch="x86_32"
1762         enable cmov
1763         enable fast_cmov
1764         enable fast_unaligned
1765         check_cc <<EOF && enable fast_64bit && subarch="x86_64" && pic=$shared
1766         int test[sizeof(char*) - 7];
1767 EOF
1768     ;;
1769     *)
1770         arch="unknown"
1771     ;;
1772 esac
1773
1774 enable $arch $subarch
1775
1776 # OS specific
1777 case $target_os in
1778     beos|haiku|zeta)
1779         prefix_default="$HOME/config"
1780         # helps building libavcodec
1781         add_cppflags -DPIC
1782         add_cflags -fomit-frame-pointer
1783         # 3 gcc releases known for BeOS, each with ugly bugs
1784         gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1785         case "$gcc_version" in
1786           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1787             disable mmx
1788             ;;
1789           *20010315*) echo "BeBits gcc"
1790             add_cflags -fno-expensive-optimizations
1791             ;;
1792         esac
1793         SHFLAGS=-nostart
1794         # enable BeOS things
1795         enable audio_beos
1796         # no need for libm, but the inet stuff
1797         # Check for BONE
1798         # XXX: actually should check for NOT net_server
1799         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1800             network_extralibs="-lbind -lsocket"
1801         else
1802             enable beos_netserver
1803             network_extralibs="-lnet"
1804         fi ;;
1805     sunos)
1806         FFSERVERLDFLAGS=""
1807         SHFLAGS='-shared -Wl,-h,$$(@F)'
1808         network_extralibs="-lsocket -lnsl"
1809         add_cppflags -D__EXTENSIONS__
1810         ;;
1811     netbsd)
1812         oss_indev_extralibs="-lossaudio"
1813         oss_outdev_extralibs="-lossaudio"
1814         ;;
1815     openbsd)
1816         enable malloc_aligned
1817         enable pic
1818         SHFLAGS='-shared'
1819         oss_indev_extralibs="-lossaudio"
1820         oss_outdev_extralibs="-lossaudio"
1821         ;;
1822     freebsd|dragonfly)
1823         enable malloc_aligned
1824         ;;
1825     bsd/os)
1826         osextralibs="-lpoll -lgnugetopt"
1827         strip="strip -d"
1828         ;;
1829     darwin)
1830         enable malloc_aligned
1831         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1832         strip="strip -x"
1833         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1834         SLIBSUF=".dylib"
1835         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1836         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1837         FFSERVERLDFLAGS=-Wl,-bind_at_load
1838         objformat="macho"
1839         enabled x86_64 && objformat="macho64"
1840         enabled shared || check_cflags -mdynamic-no-pic
1841         ;;
1842     mingw32*)
1843         if test $target_os = "mingw32ce"; then
1844             disable network
1845         else
1846             target_os=mingw32
1847         fi
1848         LIBTARGET=i386
1849         if enabled x86_64; then
1850             enable malloc_aligned
1851             LIBTARGET=x64
1852         elif enabled arm; then
1853             LIBTARGET=arm
1854         fi
1855         shlibdir_default="$bindir_default"
1856         disable ffserver
1857         SLIBPREF=""
1858         SLIBSUF=".dll"
1859         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1860         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1861         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1862         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1863             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1864             install -d "$(LIBDIR)"; \
1865             install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1866         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1867         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1868         objformat="win32"
1869         enable dos_paths
1870         check_cflags -fno-common
1871         if ! enabled x86_64; then
1872             check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1873                 die "ERROR: MinGW runtime version must be >= 3.15."
1874             enabled_any avisynth vfwcap_indev &&
1875                 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1876                   die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1877             fi
1878         ;;
1879     cygwin*)
1880         target_os=cygwin
1881         shlibdir_default="$bindir_default"
1882         SLIBPREF="cyg"
1883         SLIBSUF=".dll"
1884         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1885         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1886         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1887         objformat="win32"
1888         enable dos_paths
1889         check_cflags -fno-common
1890         ;;
1891     *-dos|freedos|opendos)
1892         disable ffplay ffserver
1893         disable $INDEV_LIST $OUTDEV_LIST
1894         network_extralibs="-lsocket"
1895         objformat="coff"
1896         enable dos_paths
1897         ;;
1898     linux)
1899         enable dv1394
1900         ;;
1901     irix*)
1902         target_os=irix
1903         ranlib="echo ignoring ranlib"
1904         ;;
1905     os/2*)
1906         strip="lxlite"
1907         ln_s="cp -f"
1908         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1909         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1910         FFSERVERLDFLAGS=""
1911         LIBSUF="_s.a"
1912         SLIBPREF=""
1913         SLIBSUF=".dll"
1914         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1915         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1916         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1917           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1918           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1919           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1920           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1921           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1922         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1923           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1924         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1925         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1926         enable dos_paths
1927         ;;
1928     gnu/kfreebsd)
1929         ;;
1930     gnu)
1931         ;;
1932
1933     *)
1934         die "Unknown OS '$target_os'."
1935         ;;
1936 esac
1937
1938 set_default $PATHS_LIST
1939
1940 add_extralibs $osextralibs
1941
1942 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1943 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1944
1945 # we need to build at least one lib type
1946 if ! enabled_any static shared; then
1947     cat <<EOF
1948 At least one library type must be built.
1949 Specify --enable-static to build the static libraries or --enable-shared to
1950 build the shared libraries as well. To only build the shared libraries specify
1951 --disable-static in addition to --enable-shared.
1952 EOF
1953     exit 1;
1954 fi
1955
1956 disabled static && LIBNAME=""
1957
1958 if enabled_any libfaad libfaadbin ; then
1959     if check_header faad.h; then
1960         check_cc <<EOF
1961 #include <faad.h>
1962 #ifndef FAAD2_VERSION
1963 ok faad1
1964 #endif
1965 int main(void) { return 0; }
1966 EOF
1967         test $? = 0 && enable libfaad2
1968     else
1969         die "FAAD test failed."
1970     fi
1971 fi
1972
1973
1974 die_license_disabled() {
1975     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1976 }
1977
1978 die_license_disabled gpl libfaad2
1979 die_license_disabled gpl libx264
1980 die_license_disabled gpl libxvid
1981 die_license_disabled gpl postproc
1982 die_license_disabled gpl x11grab
1983
1984 die_license_disabled nonfree libfaac
1985
1986 die_license_disabled version3 libopencore_amrnb
1987 die_license_disabled version3 libopencore_amrwb
1988
1989 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1990
1991 check_deps $ARCH_EXT_LIST
1992
1993 disabled optimizations || check_cflags -fomit-frame-pointer
1994
1995 check_cc <<EOF || die "Symbol mangling check failed."
1996 int ff_extern;
1997 EOF
1998 sym=$($nm -P -g $TMPO | grep ff_extern)
1999 extern_prefix=${sym%%ff_extern*}
2000
2001 check_cc <<EOF && enable inline_asm
2002 void foo(void) { __asm__ volatile ("" ::); }
2003 EOF
2004
2005 _restrict=
2006 for restrict_keyword in restrict __restrict__ __restrict; do
2007     check_cc <<EOF && _restrict=$restrict_keyword && break
2008 void foo(char * $restrict_keyword p);
2009 EOF
2010 done
2011
2012 check_cc <<EOF && enable attribute_packed
2013 struct { int x; } __attribute__((packed)) x;
2014 EOF
2015
2016 check_cc <<EOF || die "endian test failed"
2017 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2018 EOF
2019 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2020
2021 if enabled arm; then
2022
2023     check_ld <<EOF && enable vfp_args
2024 __asm__ (".eabi_attribute 28, 1");
2025 int main(void) { return 0; }
2026 EOF
2027
2028     # We have to check if pld is a nop and disable it.
2029     check_asm pld '"pld [r0]"'
2030
2031     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2032     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2033     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2034     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2035     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2036     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2037
2038 elif enabled mips; then
2039
2040     check_asm loongson '"dmult.g $1, $2, $3"'
2041     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2042
2043 elif enabled ppc; then
2044
2045     check_asm dcbzl     '"dcbzl 0, 1"'
2046     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2047     check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2048
2049     # AltiVec flags: The FSF version of GCC differs from the Apple version
2050     if enabled altivec; then
2051         check_cflags -maltivec -mabi=altivec &&
2052         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2053         check_cflags -faltivec
2054
2055         # check if our compiler supports Motorola AltiVec C API
2056         check_cc <<EOF || disable altivec
2057 $inc_altivec_h
2058 int main(void) {
2059     vector signed int v1, v2, v3;
2060     v1 = vec_add(v2,v3);
2061     return 0;
2062 }
2063 EOF
2064
2065         # check if our compiler supports braces for vector declarations
2066         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2067 $inc_altivec_h
2068 int main (void) { (vector int) {1}; return 0; }
2069 EOF
2070     fi
2071
2072 elif enabled sparc; then
2073
2074     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2075         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2076
2077 elif enabled x86; then
2078
2079     # check whether EBP is available on x86
2080     # As 'i' is stored on the stack, this program will crash
2081     # if the base pointer is used to access it because the
2082     # base pointer is cleared in the inline assembly code.
2083     check_exec_crash <<EOF && enable ebp_available
2084     volatile int i=0;
2085     __asm__ volatile (
2086         "xorl %%ebp, %%ebp"
2087     ::: "%ebp");
2088     return i;
2089 EOF
2090
2091     # check wether EBX is available on x86
2092     check_asm ebx_available '"":::"%ebx"'
2093
2094     # check whether more than 10 operands are supported
2095     check_cc <<EOF && enable ten_operands
2096 int main(void) {
2097     int x=0;
2098     __asm__ volatile(
2099         ""
2100         :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2101     );
2102     return 0;
2103 }
2104 EOF
2105
2106     # check whether binutils is new enough to compile SSSE3/MMX2
2107     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2108     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2109
2110     check_asm bswap '"bswap %%eax" ::: "%eax"'
2111
2112     YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2113     enabled     x86_64        && append YASMFLAGS "-m amd64"
2114     enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
2115     case "$objformat" in
2116         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2117         macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
2118         *)                    append YASMFLAGS "-DPREFIX"  ;;
2119     esac
2120     disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2121
2122 fi
2123
2124 if check_func dlopen; then
2125     ldl=
2126 elif check_func dlopen -ldl; then
2127     ldl=-ldl
2128 fi
2129
2130 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2131 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2132
2133 check_func  fork
2134 check_func  gethrtime
2135 check_func  getrusage
2136 check_func  inet_aton $network_extralibs
2137 check_func  isatty
2138 check_func  memalign
2139 check_func  mkstemp
2140 check_func  posix_memalign
2141 check_func_headers io.h setmode
2142 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2143 check_func_headers windows.h GetProcessTimes
2144 check_func_headers windows.h VirtualAlloc
2145
2146 check_header conio.h
2147 check_header dlfcn.h
2148 check_header malloc.h
2149 check_header poll.h
2150 check_header sys/mman.h
2151 check_header sys/resource.h
2152 check_header sys/select.h
2153 check_header termios.h
2154 check_header vdpau/vdpau.h
2155 check_header vdpau/vdpau_x11.h
2156 check_header X11/extensions/XvMClib.h
2157
2158 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2159      enabled_any $need_memalign ; then
2160     die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2161 fi
2162
2163 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2164 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2165
2166 # check for some common methods of building with pthread support
2167 # do this before the optional library checks as some of them require pthreads
2168 if enabled pthreads; then
2169     if check_func pthread_create; then
2170         :
2171     elif check_func pthread_create -pthread; then
2172         add_cflags -pthread
2173         add_extralibs -pthread
2174     elif check_func pthread_create -pthreads; then
2175         add_cflags -pthreads
2176         add_extralibs -pthreads
2177     elif check_func pthread_create -lpthreadGC2; then
2178         add_extralibs -lpthreadGC2
2179     elif ! check_lib pthread.h pthread_create -lpthread; then
2180         die "ERROR: can't find pthreads library"
2181     fi
2182 fi
2183
2184 for thread in $THREADS_LIST; do
2185     if enabled $thread; then
2186         test -n "$thread_type" &&
2187             die "ERROR: Only one thread type must be selected." ||
2188             thread_type="$thread"
2189     fi
2190 done
2191
2192 check_lib math.h sin -lm
2193 check_lib va/va.h vaInitialize -lva
2194
2195 check_func llrint
2196 check_func log2
2197 check_func lrint
2198 check_func lrintf
2199 check_func round
2200 check_func roundf
2201 check_func truncf
2202
2203 # these are off by default, so fail if requested and not available
2204 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2205 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2206                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2207                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2208 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2209 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2210 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2211 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2212 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2213 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2214 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2215 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2216 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2217                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2218 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2219 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2220 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2221 enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2222                       { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2223                         die "ERROR: libx264 version must be >= 0.65."; }
2224 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2225 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2226
2227 # libdc1394 check
2228 if enabled libdc1394; then
2229     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2230         enable libdc1394_2; } ||
2231     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2232         enable libdc1394_1; } ||
2233     die "ERROR: No version of libdc1394 found "
2234 fi
2235
2236 disable sdl_too_old
2237 disable sdl
2238 SDL_CONFIG="${cross_prefix}sdl-config"
2239 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2240     sdl_cflags=$("${SDL_CONFIG}" --cflags)
2241     temp_cflags $sdl_cflags
2242     temp_extralibs $("${SDL_CONFIG}" --libs)
2243     if check_lib2 SDL.h SDL_Init; then
2244         _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2245         if test "$_sdlversion" -lt 121 ; then
2246             enable sdl_too_old
2247         else
2248             enable sdl
2249             check_cc $sdl_cflags <<EOF && enable sdl_video_size
2250 #include <SDL.h>
2251 int main(int argc, char **argv){
2252     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2253     int w = vi->current_w;
2254     return 0;
2255 }
2256 EOF
2257         fi
2258     fi
2259     restore_flags
2260 fi
2261
2262 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2263
2264 if enabled network; then
2265     check_type "sys/types.h sys/socket.h" socklen_t
2266     # Prefer arpa/inet.h over winsock2
2267     if check_header arpa/inet.h ; then
2268         check_func closesocket
2269     elif check_header winsock2.h ; then
2270         check_func_headers winsock2.h closesocket -lws2 && \
2271             network_extralibs="-lws2" || \
2272         { check_func_headers winsock2.h closesocket -lws2_32 && \
2273             network_extralibs="-lws2_32"; }
2274         check_type ws2tcpip.h socklen_t
2275     else
2276         disable network
2277     fi
2278 fi
2279
2280 enabled_all network ipv6 && check_ld <<EOF || disable ipv6
2281 #include <sys/types.h>
2282 #include <sys/socket.h>
2283 #include <netinet/in.h>
2284 #include <netdb.h>
2285 int main(void) {
2286     struct sockaddr_storage saddr;
2287     struct ipv6_mreq mreq6;
2288     getaddrinfo(0,0,0,0);
2289     getnameinfo(0,0,0,0,0,0,0);
2290     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2291 }
2292 EOF
2293
2294 check_header linux/videodev.h
2295 check_header linux/videodev2.h
2296 check_header sys/videoio.h
2297
2298 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2299
2300 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2301 { check_header dev/bktr/ioctl_meteor.h &&
2302   check_header dev/bktr/ioctl_bt848.h; } ||
2303 { check_header machine/ioctl_meteor.h &&
2304   check_header machine/ioctl_bt848.h; } ||
2305 { check_header dev/video/meteor/ioctl_meteor.h &&
2306   check_header dev/video/bktr/ioctl_bt848.h; } ||
2307 check_header dev/ic/bt8xx.h
2308
2309 check_header sys/soundcard.h
2310 check_header soundcard.h
2311
2312 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2313
2314 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2315
2316 enabled x11grab                         &&
2317 check_header X11/Xlib.h                 &&
2318 check_header X11/extensions/XShm.h      &&
2319 check_func XOpenDisplay -lX11           &&
2320 check_func XShmCreateImage -lX11 -lXext
2321
2322 enabled debug && add_cflags -g"$debuglevel"
2323
2324 # add some useful compiler flags if supported
2325 check_cflags -Wdeclaration-after-statement
2326 check_cflags -Wall
2327 check_cflags -Wno-switch
2328 check_cflags -Wdisabled-optimization
2329 check_cflags -Wpointer-arith
2330 check_cflags -Wredundant-decls
2331 check_cflags -Wno-pointer-sign
2332 check_cflags -Wcast-qual
2333 check_cflags -Wwrite-strings
2334 check_cflags -Wtype-limits
2335 check_cflags -Wundef
2336 enabled extra_warnings && check_cflags -Winline
2337
2338 # add some linker flags
2339 check_ldflags -Wl,--warn-common
2340 check_ldflags -Wl,--as-needed
2341 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'
2342 check_ldflags -Wl,-Bsymbolic
2343
2344 if enabled small; then
2345     check_cflags -Os            # not all compilers support -Os
2346     optimizations="small"
2347 elif enabled optimizations; then
2348     if enabled xlc; then
2349         add_cflags  -O5
2350         add_ldflags -O5
2351     elif enabled ccc; then
2352         add_cflags -fast
2353     else
2354         add_cflags -O3
2355     fi
2356 fi
2357 check_cflags -fno-math-errno
2358 check_cflags -fno-signed-zeros
2359
2360 if enabled icc; then
2361     # Just warnings, no remarks
2362     check_cflags -w1
2363     # -wd: Disable following warnings
2364     # 144, 167, 556: -Wno-pointer-sign
2365     # 10006: ignoring unknown option -fno-signed-zeros
2366     # 10156: ignoring option '-W'; no argument required
2367     check_cflags -wd144,167,556,10006,10156
2368     # 11030: Warning unknown option --as-needed
2369     # 10156: ignoring option '-export'; no argument required
2370     check_ldflags -wd10156,11030
2371     # Allow to compile with optimizations
2372     check_ldflags -march=$cpu
2373     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2374     enable ebp_available
2375 elif enabled ccc; then
2376     # disable some annoying warnings
2377     add_cflags -msg_disable cvtu32to64
2378     add_cflags -msg_disable embedcomment
2379     add_cflags -msg_disable needconstext
2380     add_cflags -msg_disable nomainieee
2381     add_cflags -msg_disable ptrmismatch1
2382     add_cflags -msg_disable unreachcode
2383 elif enabled gcc; then
2384     check_cflags -fno-tree-vectorize
2385 fi
2386
2387 enabled pic && LIBOBJFLAGS='$(PIC)'
2388
2389 if enabled gprof; then
2390     add_cflags  -p
2391     add_ldflags -p
2392 fi
2393
2394 # Find out if the .align argument is a power of two or not.
2395 check_asm asmalign_pot '".align 3"'
2396
2397 enabled_any $DECODER_LIST      && enable decoders
2398 enabled_any $ENCODER_LIST      && enable encoders
2399 enabled_any $HWACCEL_LIST      && enable hwaccels
2400 enabled_any $BSF_LIST          && enable bsfs
2401 enabled_any $DEMUXER_LIST      && enable demuxers
2402 enabled_any $MUXER_LIST        && enable muxers
2403 enabled_any $FILTER_LIST       && enable filters
2404 enabled_any $INDEV_LIST        && enable indevs
2405 enabled_any $OUTDEV_LIST       && enable outdevs
2406 enabled_any $PROTOCOL_LIST     && enable protocols
2407
2408 enabled_any $THREADS_LIST      && enable threads
2409
2410 check_deps $CONFIG_LIST       \
2411            $CONFIG_EXTRA      \
2412            $HAVE_LIST         \
2413            $DECODER_LIST      \
2414            $ENCODER_LIST      \
2415            $HWACCEL_LIST      \
2416            $PARSER_LIST       \
2417            $BSF_LIST          \
2418            $DEMUXER_LIST      \
2419            $MUXER_LIST        \
2420            $FILTER_LIST       \
2421            $INDEV_LIST        \
2422            $OUTDEV_LIST       \
2423            $PROTOCOL_LIST     \
2424
2425 echo "install prefix            $prefix"
2426 echo "source path               $source_path"
2427 echo "C compiler                $cc"
2428 echo ".align is power-of-two    $asmalign_pot"
2429 echo "ARCH                      $arch ($cpu)"
2430 if test "$build_suffix" != ""; then
2431     echo "build suffix              $build_suffix"
2432 fi
2433 if test "$extra_version" != ""; then
2434     echo "version string suffix     $extra_version"
2435 fi
2436 echo "big-endian                ${bigendian-no}"
2437 echo "runtime cpu detection     ${runtime_cpudetect-no}"
2438 if enabled x86; then
2439     echo "yasm                      ${yasm-no}"
2440     echo "MMX enabled               ${mmx-no}"
2441     echo "MMX2 enabled              ${mmx2-no}"
2442     echo "3DNow! enabled            ${amd3dnow-no}"
2443     echo "3DNow! extended enabled   ${amd3dnowext-no}"
2444     echo "SSE enabled               ${sse-no}"
2445     echo "SSSE3 enabled             ${ssse3-no}"
2446     echo "CMOV enabled              ${cmov-no}"
2447     echo "CMOV is fast              ${fast_cmov-no}"
2448     echo "EBX available             ${ebx_available-no}"
2449     echo "EBP available             ${ebp_available-no}"
2450     echo "10 operands supported     ${ten_operands-no}"
2451 fi
2452 if enabled arm; then
2453     echo "ARMv5TE enabled           ${armv5te-no}"
2454     echo "ARMv6 enabled             ${armv6-no}"
2455     echo "ARMv6T2 enabled           ${armv6t2-no}"
2456     echo "ARM VFP enabled           ${armvfp-no}"
2457     echo "IWMMXT enabled            ${iwmmxt-no}"
2458     echo "NEON enabled              ${neon-no}"
2459 fi
2460 if enabled mips; then
2461     echo "MMI enabled               ${mmi-no}"
2462 fi
2463 if enabled ppc; then
2464     echo "AltiVec enabled           ${altivec-no}"
2465     echo "PPC 4xx optimizations     ${ppc4xx-no}"
2466     echo "dcbzl available           ${dcbzl-no}"
2467     echo "performance report        ${powerpc_perf-no}"
2468 fi
2469 if enabled sparc; then
2470     echo "VIS enabled               ${vis-no}"
2471 fi
2472 echo "gprof enabled             ${gprof-no}"
2473 echo "debug symbols             ${debug-no}"
2474 echo "strip symbols             ${stripping-no}"
2475 echo "optimizations             ${optimizations-no}"
2476 echo "static                    ${static-no}"
2477 echo "shared                    ${shared-no}"
2478 echo "postprocessing support    ${postproc-no}"
2479 echo "new filter support        ${avfilter-no}"
2480 echo "filters using lavformat   ${avfilter_lavf-no}"
2481 echo "network support           ${network-no}"
2482 if enabled network; then
2483     echo "IPv6 support              ${ipv6-no}"
2484 fi
2485 echo "threading support         ${thread_type-no}"
2486 echo "SDL support               ${sdl-no}"
2487 if enabled sdl_too_old; then
2488     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2489 fi
2490 echo "Sun medialib support      ${mlib-no}"
2491 echo "AVISynth enabled          ${avisynth-no}"
2492 echo "libdc1394 support         ${libdc1394-no}"
2493 echo "libdirac enabled          ${libdirac-no}"
2494 echo "libfaac enabled           ${libfaac-no}"
2495 echo "libfaad enabled           ${libfaad-no}"
2496 echo "libfaad dlopened          ${libfaadbin-no}"
2497 echo "libgsm enabled            ${libgsm-no}"
2498 echo "libmp3lame enabled        ${libmp3lame-no}"
2499 echo "libnut enabled            ${libnut-no}"
2500 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2501 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2502 echo "libopenjpeg enabled       ${libopenjpeg-no}"
2503 echo "libschroedinger enabled   ${libschroedinger-no}"
2504 echo "libspeex enabled          ${libspeex-no}"
2505 echo "libtheora enabled         ${libtheora-no}"
2506 echo "libvorbis enabled         ${libvorbis-no}"
2507 echo "libx264 enabled           ${libx264-no}"
2508 echo "libxvid enabled           ${libxvid-no}"
2509 echo "zlib enabled              ${zlib-no}"
2510 echo "bzlib enabled             ${bzlib-no}"
2511 echo
2512
2513 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2514     echo "Enabled ${type}s:"
2515     eval list=\$$(toupper $type)_LIST
2516     for part in $list; do
2517         enabled $part && echo ${part%_*}
2518     done | sort | pr -3 -t
2519     echo
2520 done
2521
2522 license="LGPL version 2.1 or later"
2523 if enabled nonfree; then
2524     license="nonfree and unredistributable"
2525 elif enabled gplv3; then
2526     license="GPL version 3 or later"
2527 elif enabled lgplv3; then
2528     license="LGPL version 3 or later"
2529 elif enabled gpl; then
2530     license="GPL version 2 or later"
2531 fi
2532
2533 echo "License: $license"
2534
2535 echo "Creating config.mak and config.h..."
2536
2537 echo "# Automatically generated by configure - do not modify!" > config.mak
2538 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2539 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2540 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2541 echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2542 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2543
2544 echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2545 echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2546
2547 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2548 echo "prefix=$prefix" >> config.mak
2549 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2550 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2551 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2552 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2553 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2554 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2555 echo "SRC_PATH=\"$source_path\"" >> config.mak
2556 echo "SRC_PATH_BARE=$source_path" >> config.mak
2557 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2558 echo "CC=$cc" >> config.mak
2559 echo "AS=$as" >> config.mak
2560 echo "LD=$ld" >> config.mak
2561 echo "DEPCC=$dep_cc" >> config.mak
2562 echo "YASM=$yasmexe" >> config.mak
2563 echo "AR=$ar" >> config.mak
2564 echo "RANLIB=$ranlib" >> config.mak
2565 echo "LN_S=$ln_s" >> config.mak
2566 enabled stripping &&
2567     echo "STRIP=$strip" >> config.mak ||
2568     echo "STRIP=echo ignoring strip" >> config.mak
2569
2570 echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2571 echo "CFLAGS=$CFLAGS" >> config.mak
2572 echo "ASFLAGS=$ASFLAGS" >> config.mak
2573 echo "CC_O=$CC_O" >> config.mak
2574 echo "LDFLAGS=$LDFLAGS" >> config.mak
2575 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2576 echo "SHFLAGS=$SHFLAGS" >> config.mak
2577 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2578 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2579 echo "PIC=-fPIC -DPIC" >> config.mak
2580 echo "BUILDSUF=$build_suffix" >> config.mak
2581 echo "FULLNAME=$FULLNAME" >> config.mak
2582 echo "LIBPREF=$LIBPREF" >> config.mak
2583 echo "LIBSUF=$LIBSUF" >> config.mak
2584 echo "LIBNAME=$LIBNAME" >> config.mak
2585 echo "SLIBPREF=$SLIBPREF" >> config.mak
2586 echo "SLIBSUF=$SLIBSUF" >> config.mak
2587 echo "EXESUF=$EXESUF" >> config.mak
2588 echo "EXTRA_VERSION=$extra_version" >> config.mak
2589 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2590 echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2591 echo "HOSTCC=$host_cc" >> config.mak
2592 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2593 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2594 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2595 echo "HOSTLIBS=$host_libs" >> config.mak
2596 echo "TARGET_EXEC=$target_exec" >> config.mak
2597 echo "TARGET_PATH=$target_path" >> config.mak
2598
2599 if enabled sdl; then
2600     echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2601     echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2602 fi
2603 if enabled texi2html; then
2604     echo "BUILD_DOC=yes" >> config.mak
2605 fi
2606
2607 get_version(){
2608     name=$1
2609     file=$source_path/$2
2610     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2611     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2612     lcname=$(tolower $name)
2613     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2614     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2615 }
2616
2617 get_version LIBSWSCALE  libswscale/swscale.h
2618 get_version LIBPOSTPROC libpostproc/postprocess.h
2619 get_version LIBAVCODEC  libavcodec/avcodec.h
2620 get_version LIBAVDEVICE libavdevice/avdevice.h
2621 get_version LIBAVFORMAT libavformat/avformat.h
2622 get_version LIBAVUTIL   libavutil/avutil.h
2623 get_version LIBAVFILTER libavfilter/avfilter.h
2624
2625 if enabled shared; then
2626     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2627     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2628     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2629     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2630     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2631     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2632     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2633     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2634 fi
2635 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2636 echo "EXTRALIBS=$extralibs" >> config.mak
2637
2638 echo "ARCH=$arch" >> config.mak
2639
2640 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2641 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2642 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2643                                       $CONFIG_EXTRA      \
2644                                       $DECODER_LIST      \
2645                                       $ENCODER_LIST      \
2646                                       $HWACCEL_LIST      \
2647                                       $PARSER_LIST       \
2648                                       $BSF_LIST          \
2649                                       $DEMUXER_LIST      \
2650                                       $MUXER_LIST        \
2651                                       $FILTER_LIST       \
2652                                       $PROTOCOL_LIST     \
2653                                       $INDEV_LIST        \
2654                                       $OUTDEV_LIST       \
2655
2656 echo "#define restrict $_restrict" >> $TMPH
2657
2658 if enabled small || disabled optimizations; then
2659     echo "#define av_always_inline"  >> $TMPH
2660 fi
2661
2662
2663 # Apparently it's not possible to portably echo a backslash.
2664 enabled asmalign_pot &&
2665     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2666     printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2667
2668 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2669
2670 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2671 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2672
2673 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2674 cmp -s $TMPH config.h &&
2675     echo "config.h is unchanged" ||
2676     mv -f $TMPH config.h
2677
2678 # build tree in object directory if source path is different from current one
2679 if enabled source_path_used; then
2680     DIRS="\
2681         doc               \
2682         libavcodec        \
2683         libavcodec/alpha  \
2684         libavcodec/arm    \
2685         libavcodec/bfin   \
2686         libavcodec/mlib   \
2687         libavcodec/ppc    \
2688         libavcodec/sh4    \
2689         libavcodec/sparc  \
2690         libavcodec/x86    \
2691         libavdevice       \
2692         libavfilter       \
2693         libavformat       \
2694         libavutil         \
2695         libpostproc       \
2696         libswscale        \
2697         libswscale/bfin   \
2698         libswscale/mlib   \
2699         libswscale/ppc    \
2700         libswscale/sparc  \
2701         libswscale/x86    \
2702         tests             \
2703         tools             \
2704         "
2705     FILES="\
2706         Makefile             \
2707         common.mak           \
2708         subdir.mak           \
2709         doc/texi2pod.pl      \
2710         libavcodec/Makefile  \
2711         libavdevice/Makefile \
2712         libavfilter/Makefile \
2713         libavformat/Makefile \
2714         libavutil/Makefile   \
2715         libpostproc/Makefile \
2716         libswscale/Makefile  \
2717         "
2718     for dir in $DIRS ; do
2719         mkdir -p $dir
2720     done
2721     for f in $FILES ; do
2722         $ln_s "$source_path/$f" $f
2723     done
2724 fi
2725
2726
2727 # build pkg-config files
2728
2729 pkgconfig_generate(){
2730 name=$1
2731 shortname=${name#lib}${build_suffix}
2732 comment=$2
2733 version=$3
2734 libs=$4
2735 requires=$5
2736 cat <<EOF > $name/$name.pc
2737 prefix=$prefix
2738 exec_prefix=\${prefix}
2739 libdir=$libdir
2740 includedir=$incdir
2741
2742 Name: $name
2743 Description: $comment
2744 Version: $version
2745 Requires: $(disabled shared && echo $requires)
2746 Requires.private: $(enabled shared && echo $requires)
2747 Conflicts:
2748 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2749 Libs.private: $(enabled shared && echo $libs)
2750 Cflags: -I\${includedir}
2751 EOF
2752 cat <<EOF > $name/$name-uninstalled.pc
2753 prefix=
2754 exec_prefix=
2755 libdir=\${pcfiledir}
2756 includedir=${source_path}
2757
2758 Name: $name
2759 Description: $comment
2760 Version: $version
2761 Requires: $requires
2762 Conflicts:
2763 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2764 Cflags: -I\${includedir}
2765 EOF
2766 }
2767
2768 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2769 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2770 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2771 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2772 enabled avfilter &&
2773     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2774 enabled postproc &&
2775     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2776 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"