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 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1101 msmpeg4v1_encoder_select="aandct"
1102 msmpeg4v2_encoder_select="aandct"
1103 msmpeg4v3_encoder_select="aandct"
1104 nellymoser_decoder_select="fft mdct"
1105 nellymoser_encoder_select="fft mdct"
1106 png_decoder_select="zlib"
1107 png_encoder_select="zlib"
1108 qdm2_decoder_select="fft mdct rdft"
1109 rv10_encoder_select="aandct"
1110 rv20_encoder_select="aandct"
1111 rv30_decoder_select="golomb"
1112 rv40_decoder_select="golomb"
1113 shorten_decoder_select="golomb"
1114 sonic_decoder_select="golomb"
1115 sonic_encoder_select="golomb"
1116 sonic_ls_encoder_select="golomb"
1117 svq3_decoder_select="golomb"
1118 svq3_decoder_suggest="zlib"
1119 theora_decoder_select="vp3_decoder"
1120 tiff_decoder_suggest="zlib"
1121 tiff_encoder_suggest="zlib"
1122 tscc_decoder_select="zlib"
1123 vc1_vaapi_hwaccel_deps="va_va_h"
1124 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1125 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1126 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1127 vorbis_decoder_select="fft mdct"
1128 vorbis_encoder_select="fft mdct"
1129 vp6a_decoder_select="vp6_decoder"
1130 vp6f_decoder_select="vp6_decoder"
1131 wmav1_decoder_select="fft mdct"
1132 wmav1_encoder_select="fft mdct"
1133 wmav2_decoder_select="fft mdct"
1134 wmav2_encoder_select="fft mdct"
1135 wmv1_encoder_select="aandct"
1136 wmv2_encoder_select="aandct"
1137 wmv3_decoder_select="vc1_decoder"
1138 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1139 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1140 zlib_decoder_select="zlib"
1141 zlib_encoder_select="zlib"
1142 zmbv_decoder_select="zlib"
1143 zmbv_encoder_select="zlib"
1144
1145 # parsers
1146 h264_parser_select="golomb"
1147
1148 # external libraries
1149 libdirac_decoder_deps="libdirac !libschroedinger"
1150 libdirac_encoder_deps="libdirac"
1151 libfaac_encoder_deps="libfaac"
1152 libfaad_decoder_deps="libfaad"
1153 libfaadbin_decoder_extralibs='$ldl'
1154 libgsm_decoder_deps="libgsm"
1155 libgsm_encoder_deps="libgsm"
1156 libgsm_ms_decoder_deps="libgsm"
1157 libgsm_ms_encoder_deps="libgsm"
1158 libmp3lame_encoder_deps="libmp3lame"
1159 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1160 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1161 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1162 libopenjpeg_decoder_deps="libopenjpeg"
1163 libschroedinger_decoder_deps="libschroedinger"
1164 libschroedinger_encoder_deps="libschroedinger"
1165 libspeex_decoder_deps="libspeex"
1166 libtheora_encoder_deps="libtheora"
1167 libvorbis_encoder_deps="libvorbis"
1168 libx264_encoder_deps="libx264"
1169 libxvid_encoder_deps="libxvid"
1170
1171 # demuxers / muxers
1172 ac3_demuxer_deps="ac3_parser"
1173 asf_stream_muxer_select="asf_muxer"
1174 avisynth_demuxer_deps="avisynth"
1175 dirac_demuxer_deps="dirac_parser"
1176 ipod_muxer_select="mov_muxer"
1177 libnut_demuxer_deps="libnut"
1178 libnut_muxer_deps="libnut"
1179 matroska_audio_muxer_select="matroska_muxer"
1180 matroska_demuxer_suggest="zlib bzlib"
1181 mov_demuxer_suggest="zlib"
1182 mp3_demuxer_deps="mpegaudio_parser"
1183 mp4_muxer_select="mov_muxer"
1184 mpegtsraw_demuxer_select="mpegts_demuxer"
1185 mxf_d10_muxer_select="mxf_muxer"
1186 psp_muxer_select="mov_muxer"
1187 redir_demuxer_deps="network"
1188 rtp_muxer_deps="network rtp_protocol"
1189 rtsp_demuxer_deps="sdp_demuxer"
1190 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1191 tg2_muxer_select="mov_muxer"
1192 tgp_muxer_select="mov_muxer"
1193
1194 # indevs / outdevs
1195 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1196 alsa_indev_extralibs="-lasound"
1197 alsa_outdev_deps="alsa_asoundlib_h"
1198 alsa_outdev_extralibs="-lasound"
1199 audio_beos_indev_deps="audio_beos"
1200 audio_beos_indev_extralibs="-lmedia -lbe"
1201 audio_beos_outdev_deps="audio_beos"
1202 audio_beos_outdev_extralibs="-lmedia -lbe"
1203 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1204 dv1394_indev_deps="dv1394 dv_demuxer"
1205 jack_indev_deps="jack_jack_h"
1206 jack_indev_extralibs="-ljack"
1207 libdc1394_indev_deps="libdc1394"
1208 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1209 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1210 v4l_indev_deps="linux_videodev_h"
1211 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1212 vfwcap_indev_deps="capCreateCaptureWindow"
1213 vfwcap_indev_extralibs="-lvfw32"
1214 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1215 x11_grab_device_indev_extralibs="-lX11 -lXext"
1216
1217 # protocols
1218 gopher_protocol_deps="network"
1219 http_protocol_deps="network"
1220 rtmp_protocol_deps="tcp_protocol"
1221 rtp_protocol_deps="udp_protocol"
1222 tcp_protocol_deps="network"
1223 udp_protocol_deps="network"
1224
1225 # filters
1226 movie_filter_deps="avfilter_lavf"
1227
1228 # programs
1229 ffplay_deps="sdl"
1230 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1231 ffserver_extralibs='$ldl'
1232
1233
1234 # default parameters
1235
1236 logfile="config.err"
1237
1238 # installation paths
1239 prefix_default="/usr/local"
1240 bindir_default='${prefix}/bin'
1241 datadir_default='${prefix}/share/ffmpeg'
1242 incdir_default='${prefix}/include'
1243 libdir_default='${prefix}/lib'
1244 mandir_default='${prefix}/share/man'
1245 shlibdir_default="$libdir_default"
1246
1247 # toolchain
1248 ar="ar"
1249 cc_default="gcc"
1250 host_cc_default="gcc"
1251 ln_s="ln -sf"
1252 nm_default="nm"
1253 objformat="elf"
1254 ranlib="ranlib"
1255 strip="strip"
1256 yasmexe="yasm"
1257
1258 # machine
1259 arch=$(uname -m)
1260 cpu="generic"
1261
1262 # OS
1263 target_os=$(tolower $(uname -s))
1264 host_os=$target_os
1265
1266 # configurable options
1267 enable debug
1268 enable fastdiv
1269 enable ffmpeg
1270 enable ffplay
1271 enable ffserver
1272 enable ipv6
1273 enable mpegaudio_hp
1274 enable network
1275 enable optimizations
1276 enable protocols
1277 enable static
1278 enable stripping
1279 enable swscale_alpha
1280
1281 # build settings
1282 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1283 FFSERVERLDFLAGS=-Wl,-E
1284 LIBPREF="lib"
1285 LIBSUF=".a"
1286 FULLNAME='$(NAME)$(BUILDSUF)'
1287 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1288 SLIBPREF="lib"
1289 SLIBSUF=".so"
1290 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1291 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1292 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1293 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1294
1295 CC_O='-o $@'
1296
1297 host_cflags='-O3 -g -Wall'
1298 host_libs='-lm'
1299
1300 target_path='.'
1301
1302 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1303 # full relative path for objects in subdirectories for non-recursive Make.
1304 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $@'
1305 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1306
1307 # find source path
1308 source_path="$(dirname "$0")"
1309 enable source_path_used
1310 if test -f configure; then
1311     source_path="$(pwd)"
1312     disable source_path_used
1313 else
1314     source_path="$(cd "$source_path"; pwd)"
1315     echo "$source_path" | grep -q '[[:blank:]]' &&
1316         die "Out of tree builds are impossible with whitespace in source path."
1317     test -e "$source_path/config.h" &&
1318         die "Out of tree builds are impossible with config.h in source dir."
1319 fi
1320
1321 for v in "$@"; do
1322     r=${v#*=}
1323     l=${v%"$r"}
1324     r=$(sh_quote "$r")
1325     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1326 done
1327
1328 find_things(){
1329     thing=$1
1330     pattern=$2
1331     file=$source_path/$3
1332     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1333 }
1334
1335 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1336 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1337 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1338 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1339 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1340 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1341 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1342 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1343 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1344 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1345 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1346
1347 enable $ARCH_EXT_LIST \
1348        $DECODER_LIST \
1349        $ENCODER_LIST \
1350        $HWACCEL_LIST \
1351        $PARSER_LIST \
1352        $BSF_LIST \
1353        $DEMUXER_LIST \
1354        $MUXER_LIST \
1355        $FILTER_LIST \
1356        $PROTOCOL_LIST \
1357        $INDEV_LIST \
1358        $OUTDEV_LIST \
1359
1360 die_unknown(){
1361     echo "Unknown option \"$1\"."
1362     echo "See $0 --help for available options."
1363     exit 1
1364 }
1365
1366 show_list() {
1367     suffix=_$1
1368     shift
1369     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1370     exit 0
1371 }
1372
1373 for opt do
1374     optval="${opt#*=}"
1375     case "$opt" in
1376     --extra-ldflags=*) add_ldflags $optval
1377     ;;
1378     --extra-libs=*) add_extralibs $optval
1379     ;;
1380     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1381     ;;
1382     --enable-debug=*) debuglevel="$optval"
1383     ;;
1384     --enable-*=*|--disable-*=*)
1385     eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1386     case "$thing" in
1387         encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1388         *) die_unknown "$opt" ;;
1389     esac
1390     ;;
1391     --enable-?*|--disable-?*)
1392     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1393     if is_in $option $COMPONENT_LIST; then
1394         test $action = disable && action=unset
1395         eval $action \$$(toupper ${option%s})_LIST
1396     elif is_in $option $CMDLINE_SELECT; then
1397         $action $option
1398     else
1399         die_unknown $opt
1400     fi
1401     ;;
1402     --list-*)
1403         NAME="${opt#--list-}"
1404         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1405         NAME=${NAME%s}
1406         eval show_list $NAME \$$(toupper $NAME)_LIST
1407     ;;
1408     --help|-h) show_help
1409     ;;
1410     *)
1411     optname="${opt%%=*}"
1412     optname="${optname#--}"
1413     optname=$(echo "$optname" | sed 's/-/_/g')
1414     if is_in $optname $CMDLINE_SET; then
1415         eval $optname='$optval'
1416     elif is_in $optname $CMDLINE_APPEND; then
1417         append $optname "$optval"
1418     else
1419          die_unknown $opt
1420     fi
1421     ;;
1422     esac
1423 done
1424
1425 disabled logging && logfile=/dev/null
1426
1427 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1428 set >> $logfile
1429
1430 test -n "$cross_prefix" && enable cross_compile
1431
1432 ar="${cross_prefix}${ar}"
1433 cc_default="${cross_prefix}${cc_default}"
1434 nm_default="${cross_prefix}${nm_default}"
1435 ranlib="${cross_prefix}${ranlib}"
1436 strip="${cross_prefix}${strip}"
1437
1438 sysinclude_default="${sysroot}/usr/include"
1439
1440 set_default cc nm sysinclude
1441 enabled cross_compile || host_cc_default=$cc
1442 set_default host_cc
1443
1444 exesuf() {
1445     case $1 in
1446         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1447     esac
1448 }
1449
1450 EXESUF=$(exesuf $target_os)
1451 HOSTEXESUF=$(exesuf $host_os)
1452
1453 # set temporary file name
1454 : ${TMPDIR:=$TEMPDIR}
1455 : ${TMPDIR:=$TMP}
1456 : ${TMPDIR:=/tmp}
1457
1458 if ! check_cmd type mktemp; then
1459     # simple replacement for missing mktemp
1460     # NOT SAFE FOR GENERAL USE
1461     mktemp(){
1462         echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1463     }
1464 fi
1465
1466 tmpfile(){
1467     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1468         (set -C; exec > $tmp) 2>/dev/null ||
1469         die "Unable to create temoporary file in $TMPDIR."
1470     append TMPFILES $tmp
1471     eval $1=$tmp
1472 }
1473
1474 trap 'rm -f -- $TMPFILES' EXIT
1475 trap exit HUP INT TERM
1476
1477 tmpfile TMPC  .c
1478 tmpfile TMPE  $EXESUF
1479 tmpfile TMPH  .h
1480 tmpfile TMPO  .o
1481 tmpfile TMPS  .S
1482 tmpfile TMPSH .sh
1483
1484 unset -f mktemp
1485
1486 # make sure we can execute files in $TMPDIR
1487 cat > $TMPSH 2>> $logfile <<EOF
1488 #! /bin/sh
1489 EOF
1490 chmod +x $TMPSH >> $logfile 2>&1
1491 if ! $TMPSH >> $logfile 2>&1; then
1492     cat <<EOF
1493 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1494 variable to another directory and make sure that it is not mounted noexec.
1495 EOF
1496     die "Sanity test failed."
1497 fi
1498
1499 filter_cflags=echo
1500 filter_cppflags=echo
1501 filter_asflags=echo
1502
1503 if   $cc --version 2>/dev/null | grep -qi gcc; then
1504     cc_type=gcc
1505 elif $cc --version 2>/dev/null | grep -q Intel; then
1506     cc_type=icc
1507 elif $cc -v 2>&1 | grep -q xlc; then
1508     cc_type=xlc
1509 elif $cc -V 2>/dev/null | grep -q Compaq; then
1510     cc_type=ccc
1511     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1512     debuglevel=3
1513     add_ldflags -Wl,-z,now # calls to libots crash without this
1514 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1515     test -d "$sysroot" || die "No valid sysroot specified."
1516     cc_type=armcc
1517     armcc_conf="$PWD/armcc.conf"
1518     $cc --arm_linux_configure                 \
1519         --arm_linux_config_file="$armcc_conf" \
1520         --configure_sysroot="$sysroot"        \
1521         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1522         die "Error creating armcc configuration file."
1523     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1524     as_default="${cross_prefix}gcc"
1525 elif $cc -version 2>/dev/null | grep -q TMS470; then
1526     cc_type=tms470
1527     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1528     CC_O='-fr=$(@D)'
1529     as_default="${cross_prefix}gcc"
1530     ld_default="${cross_prefix}gcc"
1531     dep_cc_default="${cross_prefix}gcc"
1532     TMPO=$(basename $TMPC .c).o
1533     append TMPFILES $TMPO
1534     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1535     DEPFLAGS='$(CPPFLAGS) -MM'
1536     filter_cflags=tms470_flags
1537     tms470_flags(){
1538         for flag; do
1539             case $flag in
1540                 -march=*|-mcpu=*)
1541                     case "${flag#*=}" in
1542                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
1543                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
1544                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
1545                         armv6*|arm11*)          echo -mv=6   ;;
1546                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1547                                                 echo -mv=5e  ;;
1548                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1549                     esac
1550                     ;;
1551                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1552                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
1553                 -mfpu=softvfp)  echo --float_support=vfplib       ;;
1554                 -Os)            echo -O3 -mf=2                    ;;
1555                 -O[0-3])        echo $flag -mf=5                  ;;
1556                 -g)             echo -g -mn                       ;;
1557             esac
1558         done
1559     }
1560 fi
1561
1562 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1563
1564 : ${as_default:=$cc}
1565 : ${dep_cc_default:=$cc}
1566 : ${ld_default:=$cc}
1567 set_default as dep_cc ld
1568
1569 add_cflags $extra_cflags
1570 add_asflags $extra_cflags
1571
1572 if test -n "$sysroot"; then
1573     case "$cc_type" in
1574         gcc)
1575             add_cppflags --sysroot="$sysroot"
1576             add_ldflags --sysroot="$sysroot"
1577         ;;
1578         tms470)
1579             add_cppflags -I"$sysinclude"
1580             add_ldflags  --sysroot="$sysroot"
1581         ;;
1582     esac
1583 fi
1584
1585 # Add processor-specific flags
1586 case $cpu in
1587     601|ppc601|PowerPC601)
1588         cpuflags="-mcpu=601"
1589     ;;
1590     603*|ppc603*|PowerPC603*)
1591         cpuflags="-mcpu=603"
1592     ;;
1593     604*|ppc604*|PowerPC604*)
1594         cpuflags="-mcpu=604"
1595     ;;
1596     G3|g3|75*|ppc75*|PowerPC75*)
1597         cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1598     ;;
1599     G4|g4|745*|ppc745*|PowerPC745*)
1600         cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1601     ;;
1602     74*|ppc74*|PowerPC74*)
1603         cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1604     ;;
1605     G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1606         cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1607     ;;
1608     Cell|CELL|cell)
1609         cpuflags="-mcpu=cell"
1610         enable ldbrx
1611     ;;
1612     # targets that do NOT support conditional mov (cmov)
1613     i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1614         cpuflags="-march=$cpu"
1615         disable cmov
1616     ;;
1617     # targets that do support conditional mov (cmov)
1618     i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1619         cpuflags="-march=$cpu"
1620         enable cmov
1621         enable fast_cmov
1622     ;;
1623     # targets that do support conditional mov but on which it's slow
1624     pentium4|pentium4m|prescott|nocona)
1625         cpuflags="-march=$cpu"
1626         enable cmov
1627         disable fast_cmov
1628     ;;
1629     sparc64)
1630         cpuflags="-mcpu=v9"
1631     ;;
1632     arm11*|cortex*)
1633         cpuflags="-mcpu=$cpu"
1634         enable fast_unaligned
1635     ;;
1636     armv[67]*)
1637         cpuflags="-march=$cpu"
1638         enable fast_unaligned
1639     ;;
1640     armv*)
1641         cpuflags="-march=$cpu"
1642     ;;
1643     arm*)
1644         cpuflags="-mcpu=$cpu"
1645     ;;
1646     ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1647         enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1648     ;;
1649     bf*)
1650         cpuflags="-mcpu=$cpu"
1651     ;;
1652     mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1653         cpuflags="-march=$cpu"
1654     ;;
1655     generic)
1656     ;;
1657     *)
1658         echo "WARNING: Unknown CPU \"$cpu\", ignored."
1659     ;;
1660 esac
1661
1662 add_cflags $cpuflags
1663 add_asflags $cpuflags
1664
1665 # compiler sanity check
1666 check_exec <<EOF
1667 int main(void){ return 0; }
1668 EOF
1669 if test "$?" != 0; then
1670     echo "$cc is unable to create an executable file."
1671     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1672         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1673         echo "Only do this if you know what cross compiling means."
1674     fi
1675     die "C compiler test failed."
1676 fi
1677
1678 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1679 check_cflags -std=c99
1680 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1681 #include <stdlib.h>
1682 EOF
1683 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1684 #include <stdlib.h>
1685 EOF
1686
1687 case "$arch" in
1688     alpha)
1689         arch="alpha"
1690         enable fast_64bit
1691         check_cflags -mieee
1692         pic=$shared
1693     ;;
1694     arm|armv[4567]*l)
1695         arch="arm"
1696     ;;
1697     avr32)
1698     ;;
1699     bfin)
1700         arch="bfin"
1701     ;;
1702     ia64)
1703         arch="ia64"
1704         enable fast_64bit
1705         pic=$shared
1706     ;;
1707     m68k)
1708         arch="m68k"
1709     ;;
1710     mips|mipsel|IP*)
1711         arch="mips"
1712         pic=$shared
1713     ;;
1714     mips64)
1715         arch="mips"
1716         subarch="mips64"
1717         enable fast_64bit
1718         pic=$shared
1719     ;;
1720     parisc|hppa)
1721         arch="parisc"
1722         pic=$shared
1723     ;;
1724     parisc64|hppa64)
1725         arch="parisc"
1726         enable fast_64bit
1727         pic=$shared
1728     ;;
1729     "Power Macintosh"|ppc|powerpc)
1730         arch="ppc"
1731         enable fast_unaligned
1732     ;;
1733     ppc64)
1734         arch="ppc"
1735         subarch="ppc64"
1736         enable fast_64bit
1737         enable fast_unaligned
1738     ;;
1739     s390|s390x)
1740         arch="s390"
1741     ;;
1742     sh4|sh)
1743         arch="sh4"
1744     ;;
1745     sparc)
1746         arch="sparc"
1747         pic=$shared
1748     ;;
1749     sun4u|sparc64)
1750         arch="sparc"
1751         subarch="sparc64"
1752         enable fast_64bit
1753         pic=$shared
1754     ;;
1755     i386|i486|i586|i686|i86pc|BePC)
1756         arch="x86"
1757         subarch="x86_32"
1758         enable fast_unaligned
1759     ;;
1760     x86_64|amd64)
1761         arch="x86"
1762         subarch="x86_32"
1763         enable cmov
1764         enable fast_cmov
1765         enable fast_unaligned
1766         check_cc <<EOF && enable fast_64bit && subarch="x86_64" && pic=$shared
1767         int test[sizeof(char*) - 7];
1768 EOF
1769     ;;
1770     *)
1771         arch="unknown"
1772     ;;
1773 esac
1774
1775 enable $arch $subarch
1776
1777 # OS specific
1778 case $target_os in
1779     beos|haiku|zeta)
1780         prefix_default="$HOME/config"
1781         # helps building libavcodec
1782         add_cppflags -DPIC
1783         add_cflags -fomit-frame-pointer
1784         # 3 gcc releases known for BeOS, each with ugly bugs
1785         gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1786         case "$gcc_version" in
1787           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1788             disable mmx
1789             ;;
1790           *20010315*) echo "BeBits gcc"
1791             add_cflags -fno-expensive-optimizations
1792             ;;
1793         esac
1794         SHFLAGS=-nostart
1795         # enable BeOS things
1796         enable audio_beos
1797         # no need for libm, but the inet stuff
1798         # Check for BONE
1799         # XXX: actually should check for NOT net_server
1800         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1801             network_extralibs="-lbind -lsocket"
1802         else
1803             enable beos_netserver
1804             network_extralibs="-lnet"
1805         fi ;;
1806     sunos)
1807         FFSERVERLDFLAGS=""
1808         SHFLAGS='-shared -Wl,-h,$$(@F)'
1809         network_extralibs="-lsocket -lnsl"
1810         add_cppflags -D__EXTENSIONS__
1811         ;;
1812     netbsd)
1813         oss_indev_extralibs="-lossaudio"
1814         oss_outdev_extralibs="-lossaudio"
1815         ;;
1816     openbsd)
1817         enable malloc_aligned
1818         enable pic
1819         SHFLAGS='-shared'
1820         oss_indev_extralibs="-lossaudio"
1821         oss_outdev_extralibs="-lossaudio"
1822         ;;
1823     freebsd|dragonfly)
1824         enable malloc_aligned
1825         ;;
1826     bsd/os)
1827         osextralibs="-lpoll -lgnugetopt"
1828         strip="strip -d"
1829         ;;
1830     darwin)
1831         enable malloc_aligned
1832         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1833         strip="strip -x"
1834         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1835         SLIBSUF=".dylib"
1836         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1837         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1838         FFSERVERLDFLAGS=-Wl,-bind_at_load
1839         objformat="macho"
1840         enabled x86_64 && objformat="macho64"
1841         enabled shared || check_cflags -mdynamic-no-pic
1842         ;;
1843     mingw32*)
1844         if test $target_os = "mingw32ce"; then
1845             disable network
1846         else
1847             target_os=mingw32
1848         fi
1849         LIBTARGET=i386
1850         if enabled x86_64; then
1851             enable malloc_aligned
1852             LIBTARGET=x64
1853         elif enabled arm; then
1854             LIBTARGET=arm
1855         fi
1856         shlibdir_default="$bindir_default"
1857         disable ffserver
1858         SLIBPREF=""
1859         SLIBSUF=".dll"
1860         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1861         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1862         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1863         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1864             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1865             install -d "$(LIBDIR)"; \
1866             install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1867         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1868         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1869         objformat="win32"
1870         enable dos_paths
1871         check_cflags -fno-common
1872         if ! enabled x86_64; then
1873             check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1874                 die "ERROR: MinGW runtime version must be >= 3.15."
1875             enabled_any avisynth vfwcap_indev &&
1876                 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1877                   die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1878             fi
1879         ;;
1880     cygwin*)
1881         target_os=cygwin
1882         shlibdir_default="$bindir_default"
1883         SLIBPREF="cyg"
1884         SLIBSUF=".dll"
1885         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1886         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1887         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1888         objformat="win32"
1889         enable dos_paths
1890         check_cflags -fno-common
1891         ;;
1892     *-dos|freedos|opendos)
1893         disable ffplay ffserver
1894         disable $INDEV_LIST $OUTDEV_LIST
1895         network_extralibs="-lsocket"
1896         objformat="coff"
1897         enable dos_paths
1898         ;;
1899     linux)
1900         enable dv1394
1901         ;;
1902     irix*)
1903         target_os=irix
1904         ranlib="echo ignoring ranlib"
1905         ;;
1906     os/2*)
1907         strip="lxlite"
1908         ln_s="cp -f"
1909         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1910         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1911         FFSERVERLDFLAGS=""
1912         LIBSUF="_s.a"
1913         SLIBPREF=""
1914         SLIBSUF=".dll"
1915         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1916         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1917         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1918           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1919           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1920           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1921           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1922           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1923         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1924           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1925         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1926         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1927         enable dos_paths
1928         ;;
1929     gnu/kfreebsd)
1930         ;;
1931     gnu)
1932         ;;
1933
1934     *)
1935         die "Unknown OS '$target_os'."
1936         ;;
1937 esac
1938
1939 set_default $PATHS_LIST
1940
1941 add_extralibs $osextralibs
1942
1943 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1944 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1945
1946 # we need to build at least one lib type
1947 if ! enabled_any static shared; then
1948     cat <<EOF
1949 At least one library type must be built.
1950 Specify --enable-static to build the static libraries or --enable-shared to
1951 build the shared libraries as well. To only build the shared libraries specify
1952 --disable-static in addition to --enable-shared.
1953 EOF
1954     exit 1;
1955 fi
1956
1957 disabled static && LIBNAME=""
1958
1959 if enabled_any libfaad libfaadbin ; then
1960     if check_header faad.h; then
1961         check_cc <<EOF
1962 #include <faad.h>
1963 #ifndef FAAD2_VERSION
1964 ok faad1
1965 #endif
1966 int main(void) { return 0; }
1967 EOF
1968         test $? = 0 && enable libfaad2
1969     else
1970         die "FAAD test failed."
1971     fi
1972 fi
1973
1974
1975 die_license_disabled() {
1976     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1977 }
1978
1979 die_license_disabled gpl libfaad2
1980 die_license_disabled gpl libx264
1981 die_license_disabled gpl libxvid
1982 die_license_disabled gpl postproc
1983 die_license_disabled gpl x11grab
1984
1985 die_license_disabled nonfree libfaac
1986
1987 die_license_disabled version3 libopencore_amrnb
1988 die_license_disabled version3 libopencore_amrwb
1989
1990 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1991
1992 check_deps $ARCH_EXT_LIST
1993
1994 disabled optimizations || check_cflags -fomit-frame-pointer
1995
1996 check_cc <<EOF || die "Symbol mangling check failed."
1997 int ff_extern;
1998 EOF
1999 sym=$($nm -P -g $TMPO | grep ff_extern)
2000 extern_prefix=${sym%%ff_extern*}
2001
2002 check_cc <<EOF && enable inline_asm
2003 void foo(void) { __asm__ volatile ("" ::); }
2004 EOF
2005
2006 _restrict=
2007 for restrict_keyword in restrict __restrict__ __restrict; do
2008     check_cc <<EOF && _restrict=$restrict_keyword && break
2009 void foo(char * $restrict_keyword p);
2010 EOF
2011 done
2012
2013 check_cc <<EOF && enable attribute_packed
2014 struct { int x; } __attribute__((packed)) x;
2015 EOF
2016
2017 check_cc <<EOF || die "endian test failed"
2018 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2019 EOF
2020 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2021
2022 if enabled arm; then
2023
2024     check_ld <<EOF && enable vfp_args
2025 __asm__ (".eabi_attribute 28, 1");
2026 int main(void) { return 0; }
2027 EOF
2028
2029     # We have to check if pld is a nop and disable it.
2030     check_asm pld '"pld [r0]"'
2031
2032     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2033     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2034     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2035     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2036     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2037     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2038
2039 elif enabled mips; then
2040
2041     check_asm loongson '"dmult.g $1, $2, $3"'
2042     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2043
2044 elif enabled ppc; then
2045
2046     check_asm dcbzl     '"dcbzl 0, 1"'
2047     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2048     check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2049
2050     # AltiVec flags: The FSF version of GCC differs from the Apple version
2051     if enabled altivec; then
2052         check_cflags -maltivec -mabi=altivec &&
2053         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2054         check_cflags -faltivec
2055
2056         # check if our compiler supports Motorola AltiVec C API
2057         check_cc <<EOF || disable altivec
2058 $inc_altivec_h
2059 int main(void) {
2060     vector signed int v1, v2, v3;
2061     v1 = vec_add(v2,v3);
2062     return 0;
2063 }
2064 EOF
2065
2066         # check if our compiler supports braces for vector declarations
2067         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2068 $inc_altivec_h
2069 int main (void) { (vector int) {1}; return 0; }
2070 EOF
2071     fi
2072
2073 elif enabled sparc; then
2074
2075     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2076         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2077
2078 elif enabled x86; then
2079
2080     # check whether EBP is available on x86
2081     # As 'i' is stored on the stack, this program will crash
2082     # if the base pointer is used to access it because the
2083     # base pointer is cleared in the inline assembly code.
2084     check_exec_crash <<EOF && enable ebp_available
2085     volatile int i=0;
2086     __asm__ volatile (
2087         "xorl %%ebp, %%ebp"
2088     ::: "%ebp");
2089     return i;
2090 EOF
2091
2092     # check wether EBX is available on x86
2093     check_asm ebx_available '"":::"%ebx"'
2094
2095     # check whether more than 10 operands are supported
2096     check_cc <<EOF && enable ten_operands
2097 int main(void) {
2098     int x=0;
2099     __asm__ volatile(
2100         ""
2101         :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2102     );
2103     return 0;
2104 }
2105 EOF
2106
2107     # check whether binutils is new enough to compile SSSE3/MMX2
2108     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2109     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2110
2111     check_asm bswap '"bswap %%eax" ::: "%eax"'
2112
2113     YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2114     enabled     x86_64        && append YASMFLAGS "-m amd64"
2115     enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
2116     case "$objformat" in
2117         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2118         macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
2119         *)                    append YASMFLAGS "-DPREFIX"  ;;
2120     esac
2121     disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2122
2123 fi
2124
2125 if check_func dlopen; then
2126     ldl=
2127 elif check_func dlopen -ldl; then
2128     ldl=-ldl
2129 fi
2130
2131 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2132 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2133
2134 check_func  fork
2135 check_func  gethrtime
2136 check_func  getrusage
2137 check_func  inet_aton $network_extralibs
2138 check_func  isatty
2139 check_func  memalign
2140 check_func  mkstemp
2141 check_func  posix_memalign
2142 check_func_headers io.h setmode
2143 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2144 check_func_headers windows.h GetProcessTimes
2145 check_func_headers windows.h VirtualAlloc
2146
2147 check_header conio.h
2148 check_header dlfcn.h
2149 check_header malloc.h
2150 check_header poll.h
2151 check_header sys/mman.h
2152 check_header sys/resource.h
2153 check_header sys/select.h
2154 check_header termios.h
2155 check_header vdpau/vdpau.h
2156 check_header vdpau/vdpau_x11.h
2157 check_header X11/extensions/XvMClib.h
2158
2159 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2160      enabled_any $need_memalign ; then
2161     die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2162 fi
2163
2164 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2165 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2166
2167 # check for some common methods of building with pthread support
2168 # do this before the optional library checks as some of them require pthreads
2169 if enabled pthreads; then
2170     if check_func pthread_create; then
2171         :
2172     elif check_func pthread_create -pthread; then
2173         add_cflags -pthread
2174         add_extralibs -pthread
2175     elif check_func pthread_create -pthreads; then
2176         add_cflags -pthreads
2177         add_extralibs -pthreads
2178     elif check_func pthread_create -lpthreadGC2; then
2179         add_extralibs -lpthreadGC2
2180     elif ! check_lib pthread.h pthread_create -lpthread; then
2181         die "ERROR: can't find pthreads library"
2182     fi
2183 fi
2184
2185 for thread in $THREADS_LIST; do
2186     if enabled $thread; then
2187         test -n "$thread_type" &&
2188             die "ERROR: Only one thread type must be selected." ||
2189             thread_type="$thread"
2190     fi
2191 done
2192
2193 check_lib math.h sin -lm
2194 check_lib va/va.h vaInitialize -lva
2195
2196 check_func llrint
2197 check_func log2
2198 check_func lrint
2199 check_func lrintf
2200 check_func round
2201 check_func roundf
2202 check_func truncf
2203
2204 # these are off by default, so fail if requested and not available
2205 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2206 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2207                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2208                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2209 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2210 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2211 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2212 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2213 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2214 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2215 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2216 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2217 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2218                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2219 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2220 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2221 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2222 enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2223                       { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2224                         die "ERROR: libx264 version must be >= 0.65."; }
2225 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2226 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2227
2228 # libdc1394 check
2229 if enabled libdc1394; then
2230     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2231         enable libdc1394_2; } ||
2232     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2233         enable libdc1394_1; } ||
2234     die "ERROR: No version of libdc1394 found "
2235 fi
2236
2237 disable sdl_too_old
2238 disable sdl
2239 SDL_CONFIG="${cross_prefix}sdl-config"
2240 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2241     sdl_cflags=$("${SDL_CONFIG}" --cflags)
2242     temp_cflags $sdl_cflags
2243     temp_extralibs $("${SDL_CONFIG}" --libs)
2244     if check_lib2 SDL.h SDL_Init; then
2245         _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2246         if test "$_sdlversion" -lt 121 ; then
2247             enable sdl_too_old
2248         else
2249             enable sdl
2250             check_cc $sdl_cflags <<EOF && enable sdl_video_size
2251 #include <SDL.h>
2252 int main(int argc, char **argv){
2253     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2254     int w = vi->current_w;
2255     return 0;
2256 }
2257 EOF
2258         fi
2259     fi
2260     restore_flags
2261 fi
2262
2263 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2264
2265 if enabled network; then
2266     check_type "sys/types.h sys/socket.h" socklen_t
2267     # Prefer arpa/inet.h over winsock2
2268     if check_header arpa/inet.h ; then
2269         check_func closesocket
2270     elif check_header winsock2.h ; then
2271         check_func_headers winsock2.h closesocket -lws2 && \
2272             network_extralibs="-lws2" || \
2273         { check_func_headers winsock2.h closesocket -lws2_32 && \
2274             network_extralibs="-lws2_32"; }
2275         check_type ws2tcpip.h socklen_t
2276     else
2277         disable network
2278     fi
2279 fi
2280
2281 enabled_all network ipv6 && check_ld <<EOF || disable ipv6
2282 #include <sys/types.h>
2283 #include <sys/socket.h>
2284 #include <netinet/in.h>
2285 #include <netdb.h>
2286 int main(void) {
2287     struct sockaddr_storage saddr;
2288     struct ipv6_mreq mreq6;
2289     getaddrinfo(0,0,0,0);
2290     getnameinfo(0,0,0,0,0,0,0);
2291     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2292 }
2293 EOF
2294
2295 check_header linux/videodev.h
2296 check_header linux/videodev2.h
2297 check_header sys/videoio.h
2298
2299 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2300
2301 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2302 { check_header dev/bktr/ioctl_meteor.h &&
2303   check_header dev/bktr/ioctl_bt848.h; } ||
2304 { check_header machine/ioctl_meteor.h &&
2305   check_header machine/ioctl_bt848.h; } ||
2306 { check_header dev/video/meteor/ioctl_meteor.h &&
2307   check_header dev/video/bktr/ioctl_bt848.h; } ||
2308 check_header dev/ic/bt8xx.h
2309
2310 check_header sys/soundcard.h
2311 check_header soundcard.h
2312
2313 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2314
2315 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2316
2317 enabled x11grab                         &&
2318 check_header X11/Xlib.h                 &&
2319 check_header X11/extensions/XShm.h      &&
2320 check_func XOpenDisplay -lX11           &&
2321 check_func XShmCreateImage -lX11 -lXext
2322
2323 enabled debug && add_cflags -g"$debuglevel"
2324
2325 # add some useful compiler flags if supported
2326 check_cflags -Wdeclaration-after-statement
2327 check_cflags -Wall
2328 check_cflags -Wno-switch
2329 check_cflags -Wdisabled-optimization
2330 check_cflags -Wpointer-arith
2331 check_cflags -Wredundant-decls
2332 check_cflags -Wno-pointer-sign
2333 check_cflags -Wcast-qual
2334 check_cflags -Wwrite-strings
2335 check_cflags -Wtype-limits
2336 check_cflags -Wundef
2337 enabled extra_warnings && check_cflags -Winline
2338
2339 # add some linker flags
2340 check_ldflags -Wl,--warn-common
2341 check_ldflags -Wl,--as-needed
2342 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'
2343 check_ldflags -Wl,-Bsymbolic
2344
2345 if enabled small; then
2346     check_cflags -Os            # not all compilers support -Os
2347     optimizations="small"
2348 elif enabled optimizations; then
2349     if enabled xlc; then
2350         add_cflags  -O5
2351         add_ldflags -O5
2352     elif enabled ccc; then
2353         add_cflags -fast
2354     else
2355         add_cflags -O3
2356     fi
2357 fi
2358 check_cflags -fno-math-errno
2359 check_cflags -fno-signed-zeros
2360
2361 if enabled icc; then
2362     # Just warnings, no remarks
2363     check_cflags -w1
2364     # -wd: Disable following warnings
2365     # 144, 167, 556: -Wno-pointer-sign
2366     # 10006: ignoring unknown option -fno-signed-zeros
2367     # 10156: ignoring option '-W'; no argument required
2368     check_cflags -wd144,167,556,10006,10156
2369     # 11030: Warning unknown option --as-needed
2370     # 10156: ignoring option '-export'; no argument required
2371     check_ldflags -wd10156,11030
2372     # Allow to compile with optimizations
2373     check_ldflags -march=$cpu
2374     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2375     enable ebp_available
2376 elif enabled ccc; then
2377     # disable some annoying warnings
2378     add_cflags -msg_disable cvtu32to64
2379     add_cflags -msg_disable embedcomment
2380     add_cflags -msg_disable needconstext
2381     add_cflags -msg_disable nomainieee
2382     add_cflags -msg_disable ptrmismatch1
2383     add_cflags -msg_disable unreachcode
2384 elif enabled gcc; then
2385     check_cflags -fno-tree-vectorize
2386 fi
2387
2388 enabled pic && LIBOBJFLAGS='$(PIC)'
2389
2390 if enabled gprof; then
2391     add_cflags  -p
2392     add_ldflags -p
2393 fi
2394
2395 # Find out if the .align argument is a power of two or not.
2396 check_asm asmalign_pot '".align 3"'
2397
2398 enabled_any $DECODER_LIST      && enable decoders
2399 enabled_any $ENCODER_LIST      && enable encoders
2400 enabled_any $HWACCEL_LIST      && enable hwaccels
2401 enabled_any $BSF_LIST          && enable bsfs
2402 enabled_any $DEMUXER_LIST      && enable demuxers
2403 enabled_any $MUXER_LIST        && enable muxers
2404 enabled_any $FILTER_LIST       && enable filters
2405 enabled_any $INDEV_LIST        && enable indevs
2406 enabled_any $OUTDEV_LIST       && enable outdevs
2407 enabled_any $PROTOCOL_LIST     && enable protocols
2408
2409 enabled_any $THREADS_LIST      && enable threads
2410
2411 check_deps $CONFIG_LIST       \
2412            $CONFIG_EXTRA      \
2413            $HAVE_LIST         \
2414            $DECODER_LIST      \
2415            $ENCODER_LIST      \
2416            $HWACCEL_LIST      \
2417            $PARSER_LIST       \
2418            $BSF_LIST          \
2419            $DEMUXER_LIST      \
2420            $MUXER_LIST        \
2421            $FILTER_LIST       \
2422            $INDEV_LIST        \
2423            $OUTDEV_LIST       \
2424            $PROTOCOL_LIST     \
2425
2426 echo "install prefix            $prefix"
2427 echo "source path               $source_path"
2428 echo "C compiler                $cc"
2429 echo ".align is power-of-two    $asmalign_pot"
2430 echo "ARCH                      $arch ($cpu)"
2431 if test "$build_suffix" != ""; then
2432     echo "build suffix              $build_suffix"
2433 fi
2434 if test "$extra_version" != ""; then
2435     echo "version string suffix     $extra_version"
2436 fi
2437 echo "big-endian                ${bigendian-no}"
2438 echo "runtime cpu detection     ${runtime_cpudetect-no}"
2439 if enabled x86; then
2440     echo "yasm                      ${yasm-no}"
2441     echo "MMX enabled               ${mmx-no}"
2442     echo "MMX2 enabled              ${mmx2-no}"
2443     echo "3DNow! enabled            ${amd3dnow-no}"
2444     echo "3DNow! extended enabled   ${amd3dnowext-no}"
2445     echo "SSE enabled               ${sse-no}"
2446     echo "SSSE3 enabled             ${ssse3-no}"
2447     echo "CMOV enabled              ${cmov-no}"
2448     echo "CMOV is fast              ${fast_cmov-no}"
2449     echo "EBX available             ${ebx_available-no}"
2450     echo "EBP available             ${ebp_available-no}"
2451     echo "10 operands supported     ${ten_operands-no}"
2452 fi
2453 if enabled arm; then
2454     echo "ARMv5TE enabled           ${armv5te-no}"
2455     echo "ARMv6 enabled             ${armv6-no}"
2456     echo "ARMv6T2 enabled           ${armv6t2-no}"
2457     echo "ARM VFP enabled           ${armvfp-no}"
2458     echo "IWMMXT enabled            ${iwmmxt-no}"
2459     echo "NEON enabled              ${neon-no}"
2460 fi
2461 if enabled mips; then
2462     echo "MMI enabled               ${mmi-no}"
2463 fi
2464 if enabled ppc; then
2465     echo "AltiVec enabled           ${altivec-no}"
2466     echo "PPC 4xx optimizations     ${ppc4xx-no}"
2467     echo "dcbzl available           ${dcbzl-no}"
2468     echo "performance report        ${powerpc_perf-no}"
2469 fi
2470 if enabled sparc; then
2471     echo "VIS enabled               ${vis-no}"
2472 fi
2473 echo "gprof enabled             ${gprof-no}"
2474 echo "debug symbols             ${debug-no}"
2475 echo "strip symbols             ${stripping-no}"
2476 echo "optimizations             ${optimizations-no}"
2477 echo "static                    ${static-no}"
2478 echo "shared                    ${shared-no}"
2479 echo "postprocessing support    ${postproc-no}"
2480 echo "new filter support        ${avfilter-no}"
2481 echo "filters using lavformat   ${avfilter_lavf-no}"
2482 echo "network support           ${network-no}"
2483 if enabled network; then
2484     echo "IPv6 support              ${ipv6-no}"
2485 fi
2486 echo "threading support         ${thread_type-no}"
2487 echo "SDL support               ${sdl-no}"
2488 if enabled sdl_too_old; then
2489     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2490 fi
2491 echo "Sun medialib support      ${mlib-no}"
2492 echo "AVISynth enabled          ${avisynth-no}"
2493 echo "libdc1394 support         ${libdc1394-no}"
2494 echo "libdirac enabled          ${libdirac-no}"
2495 echo "libfaac enabled           ${libfaac-no}"
2496 echo "libfaad enabled           ${libfaad-no}"
2497 echo "libfaad dlopened          ${libfaadbin-no}"
2498 echo "libgsm enabled            ${libgsm-no}"
2499 echo "libmp3lame enabled        ${libmp3lame-no}"
2500 echo "libnut enabled            ${libnut-no}"
2501 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2502 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2503 echo "libopenjpeg enabled       ${libopenjpeg-no}"
2504 echo "libschroedinger enabled   ${libschroedinger-no}"
2505 echo "libspeex enabled          ${libspeex-no}"
2506 echo "libtheora enabled         ${libtheora-no}"
2507 echo "libvorbis enabled         ${libvorbis-no}"
2508 echo "libx264 enabled           ${libx264-no}"
2509 echo "libxvid enabled           ${libxvid-no}"
2510 echo "zlib enabled              ${zlib-no}"
2511 echo "bzlib enabled             ${bzlib-no}"
2512 echo
2513
2514 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2515     echo "Enabled ${type}s:"
2516     eval list=\$$(toupper $type)_LIST
2517     for part in $list; do
2518         enabled $part && echo ${part%_*}
2519     done | sort | pr -3 -t
2520     echo
2521 done
2522
2523 license="LGPL version 2.1 or later"
2524 if enabled nonfree; then
2525     license="nonfree and unredistributable"
2526 elif enabled gplv3; then
2527     license="GPL version 3 or later"
2528 elif enabled lgplv3; then
2529     license="LGPL version 3 or later"
2530 elif enabled gpl; then
2531     license="GPL version 2 or later"
2532 fi
2533
2534 echo "License: $license"
2535
2536 echo "Creating config.mak and config.h..."
2537
2538 echo "# Automatically generated by configure - do not modify!" > config.mak
2539 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2540 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2541 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2542 echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2543 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2544
2545 echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2546 echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2547
2548 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2549 echo "prefix=$prefix" >> config.mak
2550 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2551 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2552 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2553 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2554 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2555 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2556 echo "SRC_PATH=\"$source_path\"" >> config.mak
2557 echo "SRC_PATH_BARE=$source_path" >> config.mak
2558 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2559 echo "CC=$cc" >> config.mak
2560 echo "AS=$as" >> config.mak
2561 echo "LD=$ld" >> config.mak
2562 echo "DEPCC=$dep_cc" >> config.mak
2563 echo "YASM=$yasmexe" >> config.mak
2564 echo "AR=$ar" >> config.mak
2565 echo "RANLIB=$ranlib" >> config.mak
2566 echo "LN_S=$ln_s" >> config.mak
2567 enabled stripping &&
2568     echo "STRIP=$strip" >> config.mak ||
2569     echo "STRIP=echo ignoring strip" >> config.mak
2570
2571 echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2572 echo "CFLAGS=$CFLAGS" >> config.mak
2573 echo "ASFLAGS=$ASFLAGS" >> config.mak
2574 echo "CC_O=$CC_O" >> config.mak
2575 echo "LDFLAGS=$LDFLAGS" >> config.mak
2576 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2577 echo "SHFLAGS=$SHFLAGS" >> config.mak
2578 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2579 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2580 echo "PIC=-fPIC -DPIC" >> config.mak
2581 echo "BUILDSUF=$build_suffix" >> config.mak
2582 echo "FULLNAME=$FULLNAME" >> config.mak
2583 echo "LIBPREF=$LIBPREF" >> config.mak
2584 echo "LIBSUF=$LIBSUF" >> config.mak
2585 echo "LIBNAME=$LIBNAME" >> config.mak
2586 echo "SLIBPREF=$SLIBPREF" >> config.mak
2587 echo "SLIBSUF=$SLIBSUF" >> config.mak
2588 echo "EXESUF=$EXESUF" >> config.mak
2589 echo "EXTRA_VERSION=$extra_version" >> config.mak
2590 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2591 echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2592 echo "HOSTCC=$host_cc" >> config.mak
2593 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2594 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2595 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2596 echo "HOSTLIBS=$host_libs" >> config.mak
2597 echo "TARGET_EXEC=$target_exec" >> config.mak
2598 echo "TARGET_PATH=$target_path" >> config.mak
2599
2600 if enabled sdl; then
2601     echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2602     echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2603 fi
2604 if enabled texi2html; then
2605     echo "BUILD_DOC=yes" >> config.mak
2606 fi
2607
2608 get_version(){
2609     name=$1
2610     file=$source_path/$2
2611     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2612     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2613     lcname=$(tolower $name)
2614     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2615     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2616 }
2617
2618 get_version LIBSWSCALE  libswscale/swscale.h
2619 get_version LIBPOSTPROC libpostproc/postprocess.h
2620 get_version LIBAVCODEC  libavcodec/avcodec.h
2621 get_version LIBAVDEVICE libavdevice/avdevice.h
2622 get_version LIBAVFORMAT libavformat/avformat.h
2623 get_version LIBAVUTIL   libavutil/avutil.h
2624 get_version LIBAVFILTER libavfilter/avfilter.h
2625
2626 if enabled shared; then
2627     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2628     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2629     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2630     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2631     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2632     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2633     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2634     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2635 fi
2636 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2637 echo "EXTRALIBS=$extralibs" >> config.mak
2638
2639 echo "ARCH=$arch" >> config.mak
2640
2641 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2642 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2643 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2644                                       $CONFIG_EXTRA      \
2645                                       $DECODER_LIST      \
2646                                       $ENCODER_LIST      \
2647                                       $HWACCEL_LIST      \
2648                                       $PARSER_LIST       \
2649                                       $BSF_LIST          \
2650                                       $DEMUXER_LIST      \
2651                                       $MUXER_LIST        \
2652                                       $FILTER_LIST       \
2653                                       $PROTOCOL_LIST     \
2654                                       $INDEV_LIST        \
2655                                       $OUTDEV_LIST       \
2656
2657 echo "#define restrict $_restrict" >> $TMPH
2658
2659 if enabled small || disabled optimizations; then
2660     echo "#define av_always_inline"  >> $TMPH
2661 fi
2662
2663
2664 # Apparently it's not possible to portably echo a backslash.
2665 enabled asmalign_pot &&
2666     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2667     printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2668
2669 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2670
2671 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2672 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2673
2674 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2675 cmp -s $TMPH config.h &&
2676     echo "config.h is unchanged" ||
2677     mv -f $TMPH config.h
2678
2679 # build tree in object directory if source path is different from current one
2680 if enabled source_path_used; then
2681     DIRS="\
2682         doc               \
2683         libavcodec        \
2684         libavcodec/alpha  \
2685         libavcodec/arm    \
2686         libavcodec/bfin   \
2687         libavcodec/mlib   \
2688         libavcodec/ppc    \
2689         libavcodec/sh4    \
2690         libavcodec/sparc  \
2691         libavcodec/x86    \
2692         libavdevice       \
2693         libavfilter       \
2694         libavformat       \
2695         libavutil         \
2696         libpostproc       \
2697         libswscale        \
2698         libswscale/bfin   \
2699         libswscale/mlib   \
2700         libswscale/ppc    \
2701         libswscale/sparc  \
2702         libswscale/x86    \
2703         tests             \
2704         tools             \
2705         "
2706     FILES="\
2707         Makefile             \
2708         common.mak           \
2709         subdir.mak           \
2710         doc/texi2pod.pl      \
2711         libavcodec/Makefile  \
2712         libavdevice/Makefile \
2713         libavfilter/Makefile \
2714         libavformat/Makefile \
2715         libavutil/Makefile   \
2716         libpostproc/Makefile \
2717         libswscale/Makefile  \
2718         "
2719     for dir in $DIRS ; do
2720         mkdir -p $dir
2721     done
2722     for f in $FILES ; do
2723         $ln_s "$source_path/$f" $f
2724     done
2725 fi
2726
2727
2728 # build pkg-config files
2729
2730 pkgconfig_generate(){
2731 name=$1
2732 shortname=${name#lib}${build_suffix}
2733 comment=$2
2734 version=$3
2735 libs=$4
2736 requires=$5
2737 cat <<EOF > $name/$name.pc
2738 prefix=$prefix
2739 exec_prefix=\${prefix}
2740 libdir=$libdir
2741 includedir=$incdir
2742
2743 Name: $name
2744 Description: $comment
2745 Version: $version
2746 Requires: $(disabled shared && echo $requires)
2747 Requires.private: $(enabled shared && echo $requires)
2748 Conflicts:
2749 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2750 Libs.private: $(enabled shared && echo $libs)
2751 Cflags: -I\${includedir}
2752 EOF
2753 cat <<EOF > $name/$name-uninstalled.pc
2754 prefix=
2755 exec_prefix=
2756 libdir=\${pcfiledir}
2757 includedir=${source_path}
2758
2759 Name: $name
2760 Description: $comment
2761 Version: $version
2762 Requires: $requires
2763 Conflicts:
2764 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2765 Cflags: -I\${includedir}
2766 EOF
2767 }
2768
2769 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2770 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2771 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2772 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2773 enabled avfilter &&
2774     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2775 enabled postproc &&
2776     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2777 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"