configure

   1 #!/bin/sh
   2 #
   3 # FFmpeg configure script
   4 #
   5 # Copyright (c) 2000-2002 Fabrice Bellard
   6 # Copyright (c) 2005-2008 Diego Biurrun
   7 # Copyright (c) 2005-2008 Mans Rullgard
   8 #
   9
  10 # Prevent locale nonsense from breaking basic text processing.
  11 LC_ALL=C
  12 export LC_ALL
  13
  14 # make sure we are running under a compatible shell
  15 # try to make this part work with most shells
  16
  17 try_exec(){
  18     echo "Trying shell $1"
  19     type "$1" > /dev/null 2>&1 && exec "$@"
  20 }
  21
  22 unset foo
  23 (: ${foo%%bar}) 2> /dev/null
  24 E1="$?"
  25
  26 (: ${foo?}) 2> /dev/null
  27 E2="$?"
  28
  29 if test "$E1" != 0 || test "$E2" = 0; then
  30     echo "Broken shell detected.  Trying alternatives."
  31     export FF_CONF_EXEC
  32     if test "0$FF_CONF_EXEC" -lt 1; then
  33         FF_CONF_EXEC=1
  34         try_exec bash "$0" "$@"
  35     fi
  36     if test "0$FF_CONF_EXEC" -lt 2; then
  37         FF_CONF_EXEC=2
  38         try_exec ksh "$0" "$@"
  39     fi
  40     if test "0$FF_CONF_EXEC" -lt 3; then
  41         FF_CONF_EXEC=3
  42         try_exec /usr/xpg4/bin/sh "$0" "$@"
  43     fi
  44     echo "No compatible shell script interpreter found."
  45     echo "This configure script requires a POSIX-compatible shell"
  46     echo "such as bash or ksh."
  47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  48     echo "Instead, install a working POSIX-compatible shell."
  49     echo "Disabling this configure test will create a broken FFmpeg."
  50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  51         echo "This bash version ($BASH_VERSION) is broken on your platform."
  52         echo "Upgrade to a later version if available."
  53     fi
  54     exit 1
  55 fi
  56
  57 show_help(){
  58   echo "Usage: configure [options]"
  59   echo "Options: [defaults in brackets after descriptions]"
  60   echo
  61   echo "Standard options:"
  62   echo "  --help                   print this message"
  63   echo "  --logfile=FILE           log tests and output to FILE [config.err]"
  64   echo "  --disable-logging        do not log configure debug information"
  65   echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
  66   echo "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"
  67   echo "  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]"
  68   echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
  69   echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
  70   echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
  71   echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
  72   echo
  73   echo "Configuration options:"
  74   echo "  --disable-static         do not build static libraries [no]"
  75   echo "  --enable-shared          build shared libraries [no]"
  76   echo "  --enable-gpl             allow use of GPL code, the resulting libs"
  77   echo "                           and binaries will be under GPL [no]"
  78   echo "  --enable-version3        upgrade (L)GPL to version 3 [no]"
  79   echo "  --enable-nonfree         allow use of nonfree code, the resulting libs"
  80   echo "                           and binaries will be unredistributable [no]"
  81   echo "  --disable-ffmpeg         disable ffmpeg build"
  82   echo "  --disable-ffplay         disable ffplay build"
  83   echo "  --disable-ffserver       disable ffserver build"
  84   echo "  --enable-postproc        enable GPLed postprocessing support [no]"
  85   echo "  --enable-avfilter        video filter support [no]"
  86   echo "  --enable-avfilter-lavf   video filters dependent on avformat [no]"
  87   echo "  --enable-beosthreads     use BeOS threads [no]"
  88   echo "  --enable-os2threads      use OS/2 threads [no]"
  89   echo "  --enable-pthreads        use pthreads [no]"
  90   echo "  --enable-w32threads      use Win32 threads [no]"
  91   echo "  --enable-x11grab         enable X11 grabbing [no]"
  92   echo "  --disable-network        disable network support [no]"
  93   echo "  --disable-ipv6           disable IPv6 support [no]"
  94   echo "  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]"
  95   echo "  --enable-gray            enable full grayscale support (slower color)"
  96   echo "  --disable-swscale-alpha  disable alpha channel support in swscale"
  97   echo "  --disable-fastdiv        disable table-based division"
  98   echo "  --enable-small           optimize for size instead of speed"
  99   echo "  --disable-aandct         disable AAN DCT code"
 100   echo "  --disable-fft            disable FFT code"
 101   echo "  --disable-golomb         disable Golomb code"
 102   echo "  --disable-mdct           disable MDCT code"
 103   echo "  --disable-rdft           disable RDFT code"
 104   echo "  --disable-vaapi          disable VAAPI code"
 105   echo "  --disable-vdpau          disable VDPAU code"
 106   echo "  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
 107   echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
 108   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 109   echo "  --enable-beos-netserver  enable BeOS netserver"
 110   echo "  --disable-encoder=NAME   disable encoder NAME"
 111   echo "  --enable-encoder=NAME    enable encoder NAME"
 112   echo "  --disable-encoders       disable all encoders"
 113   echo "  --disable-decoder=NAME   disable decoder NAME"
 114   echo "  --enable-decoder=NAME    enable decoder NAME"
 115   echo "  --disable-decoders       disable all decoders"
 116   echo "  --disable-hwaccel=NAME   disable hwaccel NAME"
 117   echo "  --enable-hwaccel=NAME    enable hwaccel NAME"
 118   echo "  --disable-hwaccels       disable all hwaccels"
 119   echo "  --disable-muxer=NAME     disable muxer NAME"
 120   echo "  --enable-muxer=NAME      enable muxer NAME"
 121   echo "  --disable-muxers         disable all muxers"
 122   echo "  --disable-demuxer=NAME   disable demuxer NAME"
 123   echo "  --enable-demuxer=NAME    enable demuxer NAME"
 124   echo "  --disable-demuxers       disable all demuxers"
 125   echo "  --enable-parser=NAME     enable parser NAME"
 126   echo "  --disable-parser=NAME    disable parser NAME"
 127   echo "  --disable-parsers        disable all parsers"
 128   echo "  --enable-bsf=NAME        enable bitstream filter NAME"
 129   echo "  --disable-bsf=NAME       disable bitstream filter NAME"
 130   echo "  --disable-bsfs           disable all bitstream filters"
 131   echo "  --enable-protocol=NAME   enable protocol NAME"
 132   echo "  --disable-protocol=NAME  disable protocol NAME"
 133   echo "  --disable-protocols      disable all protocols"
 134   echo "  --disable-indev=NAME     disable input device NAME"
 135   echo "  --disable-outdev=NAME    disable output device NAME"
 136   echo "  --disable-indevs         disable input devices"
 137   echo "  --disable-outdevs        disable output devices"
 138   echo "  --disable-devices        disable all devices"
 139   echo "  --enable-filter=NAME     enable filter NAME"
 140   echo "  --disable-filter=NAME    disable filter NAME"
 141   echo "  --disable-filters        disable all filters"
 142   echo "  --list-decoders          show all available decoders"
 143   echo "  --list-encoders          show all available encoders"
 144   echo "  --list-hwaccels          show all available hardware accelerators"
 145   echo "  --list-muxers            show all available muxers"
 146   echo "  --list-demuxers          show all available demuxers"
 147   echo "  --list-parsers           show all available parsers"
 148   echo "  --list-protocols         show all available protocols"
 149   echo "  --list-bsfs              show all available bitstream filters"
 150   echo "  --list-indevs            show all available input devices"
 151   echo "  --list-outdevs           show all available output devices"
 152   echo "  --list-filters           show all available filters"
 153   echo
 154   echo "External library support:"
 155   echo "  --enable-avisynth        enable reading of AVISynth script files [no]"
 156   echo "  --enable-bzlib           enable bzlib [autodetect]"
 157   echo "  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]"
 158   echo "  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]"
 159   echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
 160   echo "                           and libraw1394 [no]"
 161   echo "  --enable-libdirac        enable Dirac support via libdirac [no]"
 162   echo "  --enable-libfaac         enable FAAC support via libfaac [no]"
 163   echo "  --enable-libfaad         enable FAAD support via libfaad [no]"
 164   echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [no]"
 165   echo "  --enable-libgsm          enable GSM support via libgsm [no]"
 166   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]"
 167   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
 168   echo "                           native (de)muxer exists [no]"
 169   echo "  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]"
 170   echo "  --enable-libschroedinger enable Dirac support via libschroedinger [no]"
 171   echo "  --enable-libspeex        enable Speex decoding via libspeex [no]"
 172   echo "  --enable-libtheora       enable Theora encoding via libtheora [no]"
 173   echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
 174   echo "                           native implementation exists [no]"
 175   echo "  --enable-libx264         enable H.264 encoding via x264 [no]"
 176   echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
 177   echo "                           native MPEG-4/Xvid encoder exists [no]"
 178   echo "  --enable-mlib            enable Sun medialib [no]"
 179   echo "  --enable-zlib            enable zlib [autodetect]"
 180   echo ""
 181   echo "Advanced options (experts only):"
 182   echo "  --source-path=PATH       path to source code [$source_path]"
 183   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 184   echo "  --enable-cross-compile   assume a cross-compiler is used"
 185   echo "  --sysroot=PATH           root of cross-build tree"
 186   echo "  --sysinclude=PATH        location of cross-build system headers"
 187   echo "  --target-os=OS           compiler targets OS [$target_os]"
 188   echo "  --target-exec=CMD        command to run executables on target"
 189   echo "  --target-path=DIR        path to view of build directory on target"
 190   echo "  --nm=NM                  use nm tool"
 191   echo "  --as=AS                  use assembler AS [$as_default]"
 192   echo "  --cc=CC                  use C compiler CC [$cc_default]"
 193   echo "  --ld=LD                  use linker LD"
 194   echo "  --host-cc=HOSTCC         use host C compiler HOSTCC"
 195   echo "  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host"
 196   echo "  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host"
 197   echo "  --host-libs=HLIBS        use libs HLIBS when linking for host"
 198   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 199   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 200   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 201   echo "  --extra-version=STRING   version string suffix []"
 202   echo "  --build-suffix=SUFFIX    library name suffix []"
 203   echo "  --arch=ARCH              select architecture [$arch]"
 204   echo "  --cpu=CPU                select the minimum required CPU (affects"
 205   echo "                           instruction selection, may crash on older CPUs)"
 206   echo "  --enable-powerpc-perf    enable performance report on PPC"
 207   echo "                           (requires enabling PMC)"
 208   echo "  --disable-altivec        disable AltiVec optimizations"
 209   echo "  --disable-amd3dnow       disable 3DNow! optimizations"
 210   echo "  --disable-amd3dnowext    disable 3DNow! extended optimizations"
 211   echo "  --disable-mmx            disable MMX optimizations"
 212   echo "  --disable-mmx2           disable MMX2 optimizations"
 213   echo "  --disable-sse            disable SSE optimizations"
 214   echo "  --disable-ssse3          disable SSSE3 optimizations"
 215   echo "  --disable-armv5te        disable armv5te optimizations"
 216   echo "  --disable-armv6          disable armv6 optimizations"
 217   echo "  --disable-armv6t2        disable armv6t2 optimizations"
 218   echo "  --disable-armvfp         disable ARM VFP optimizations"
 219   echo "  --disable-iwmmxt         disable iwmmxt optimizations"
 220   echo "  --disable-mmi            disable MMI optimizations"
 221   echo "  --disable-neon           disable neon optimizations"
 222   echo "  --disable-vis            disable VIS optimizations"
 223   echo "  --disable-yasm           disable use of yasm assembler"
 224   echo
 225   echo "Developer options (useful when working on FFmpeg itself):"
 226   echo "  --disable-debug          disable debugging symbols"
 227   echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
 228   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 229   echo "  --disable-optimizations  disable compiler optimizations"
 230   echo "  --enable-extra-warnings  enable more compiler warnings"
 231   echo "  --disable-stripping      disable stripping of executables and shared libraries"
 232   echo ""
 233   echo "NOTE: Object files are built at the place where configure is launched."
 234   exit 0
 235 }
 236
 237 log(){
 238     echo "$@" >> $logfile
 239 }
 240
 241 log_file(){
 242     log BEGIN $1
 243     pr -n -t $1 >> $logfile
 244     log END $1
 245 }
 246
 247 echolog(){
 248     log "$@"
 249     echo "$@"
 250 }
 251
 252 die(){
 253     echolog "$@"
 254     cat <<EOF
 255
 256 If you think configure made a mistake, make sure you are using the latest
 257 version from SVN.  If the latest version fails, report the problem to the
 258 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 259 EOF
 260     if disabled logging; then
 261         cat <<EOF
 262 Rerun configure with logging enabled (do not use --disable-logging), and
 263 include the log this produces with your report.
 264 EOF
 265     else
 266 cat <<EOF
 267 Include the log file "$logfile" produced by configure as this will help
 268 solving the problem.
 269 EOF
 270     fi
 271     exit 1
 272 }
 273
 274 # Avoid locale weirdness, besides we really just want to translate ASCII.
 275 toupper(){
 276     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 277 }
 278
 279 tolower(){
 280     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 281 }
 282
 283 c_escape(){
 284     echo "$*" | sed 's/["\\]/\\\0/g'
 285 }
 286
 287 sh_quote(){
 288     v=$(echo "$1" | sed "s/'/'\\\\''/g")
 289     test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
 290     echo "$v"
 291 }
 292
 293 filter(){
 294     pat=$1
 295     shift
 296     for v; do
 297         case "$v" in $pat) echo "$v" ;; esac
 298     done
 299 }
 300
 301 set_all(){
 302     value=$1
 303     shift
 304     for var in $*; do
 305         eval $var=$value
 306     done
 307 }
 308
 309 set_weak(){
 310     value=$1
 311     shift
 312     for var; do
 313         eval : \${$var:=$value}
 314     done
 315 }
 316
 317 pushvar(){
 318     for var in $*; do
 319         eval level=\${${var}_level:=0}
 320         eval ${var}_${level}="\$$var"
 321         eval ${var}_level=$(($level+1))
 322     done
 323 }
 324
 325 popvar(){
 326     for var in $*; do
 327         eval level=\${${var}_level:-0}
 328         test $level = 0 && continue
 329         eval level=$(($level-1))
 330         eval $var="\${${var}_${level}}"
 331         eval ${var}_level=$level
 332         eval unset ${var}_${level}
 333     done
 334 }
 335
 336 enable(){
 337     set_all yes $*
 338 }
 339
 340 disable(){
 341     set_all no $*
 342 }
 343
 344 enable_weak(){
 345     set_weak yes $*
 346 }
 347
 348 disable_weak(){
 349     set_weak no $*
 350 }
 351
 352 enable_safe(){
 353     enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
 354 }
 355
 356 disable_safe(){
 357     disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
 358 }
 359
 360 do_enable_deep(){
 361     for var; do
 362         enabled $var && continue
 363         eval sel="\$${var}_select"
 364         eval sgs="\$${var}_suggest"
 365         pushvar var sgs
 366         enable_deep $sel
 367         popvar sgs
 368         enable_deep_weak $sgs
 369         popvar var
 370     done
 371 }
 372
 373 enable_deep(){
 374     do_enable_deep $*
 375     enable $*
 376 }
 377
 378 enable_deep_weak(){
 379     do_enable_deep $*
 380     enable_weak $*
 381 }
 382
 383 enabled(){
 384     test "${1#!}" = "$1" && op== || op=!=
 385     eval test "x\$${1#!}" $op "xyes"
 386 }
 387
 388 disabled(){
 389     test "${1#!}" = "$1" && op== || op=!=
 390     eval test "x\$${1#!}" $op "xno"
 391 }
 392
 393 enabled_all(){
 394     for opt; do
 395         enabled $opt || return 1
 396     done
 397 }
 398
 399 disabled_all(){
 400     for opt; do
 401         disabled $opt || return 1
 402     done
 403 }
 404
 405 enabled_any(){
 406     for opt; do
 407         enabled $opt && return 0
 408     done
 409 }
 410
 411 disabled_any(){
 412     for opt; do
 413         disabled $opt && return 0
 414     done
 415     return 1
 416 }
 417
 418 set_default(){
 419     for opt; do
 420         eval : \${$opt:=\$${opt}_default}
 421     done
 422 }
 423
 424 is_in(){
 425     value=$1
 426     shift
 427     for var in $*; do
 428         [ $var = $value ] && return 0
 429     done
 430     return 1
 431 }
 432
 433 check_deps(){
 434     for cfg; do
 435         cfg="${cfg#!}"
 436         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 437         disabled ${cfg}_checking && continue
 438         enable ${cfg}_checking
 439
 440         eval dep_all="\$${cfg}_deps"
 441         eval dep_any="\$${cfg}_deps_any"
 442         eval dep_sel="\$${cfg}_select"
 443         eval dep_sgs="\$${cfg}_suggest"
 444
 445         pushvar cfg dep_all dep_any dep_sel dep_sgs
 446         check_deps $dep_all $dep_any $dep_sel $dep_sgs
 447         popvar cfg dep_all dep_any dep_sel dep_sgs
 448
 449         enabled_all  $dep_all || disable $cfg
 450         enabled_any  $dep_any || disable $cfg
 451         disabled_any $dep_sel && disable $cfg
 452
 453         if enabled $cfg; then
 454             eval dep_extralibs="\$${cfg}_extralibs"
 455             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 456             enable_deep $dep_sel
 457             enable_deep_weak $dep_sgs
 458         fi
 459
 460         disable ${cfg}_checking
 461     done
 462 }
 463
 464 print_config(){
 465     pfx=$1
 466     header=$2
 467     makefile=$3
 468     shift 3
 469     for cfg; do
 470         ucname="$(toupper $cfg)"
 471         if enabled $cfg; then
 472             echo "#define ${pfx}${ucname} 1" >> $header
 473             echo "${pfx}${ucname}=yes" >> $makefile
 474         else
 475             echo "#define ${pfx}${ucname} 0" >> $header
 476         fi
 477     done
 478 }
 479
 480 flags_saved(){
 481     (: ${SAVE_CFLAGS?}) 2> /dev/null
 482 }
 483
 484 save_flags(){
 485     flags_saved && return
 486     SAVE_CFLAGS="$CFLAGS"
 487     SAVE_LDFLAGS="$LDFLAGS"
 488     SAVE_extralibs="$extralibs"
 489 }
 490
 491 restore_flags(){
 492     flags_saved || return
 493     CFLAGS="$SAVE_CFLAGS"
 494     LDFLAGS="$SAVE_LDFLAGS"
 495     extralibs="$SAVE_extralibs"
 496     unset SAVE_CFLAGS
 497     unset SAVE_LDFLAGS
 498     unset SAVE_extralibs
 499 }
 500
 501 temp_cflags(){
 502     save_flags
 503     CFLAGS="$CFLAGS $*"
 504 }
 505
 506 temp_ldflags(){
 507     save_flags
 508     LDFLAGS="$LDFLAGS $*"
 509 }
 510
 511 temp_extralibs(){
 512     save_flags
 513     extralibs="$extralibs $*"
 514 }
 515
 516 append(){
 517     var=$1
 518     shift
 519     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 520     eval "$var=\"\$$var $*\""
 521 }
 522
 523 add_cppflags(){
 524     append CPPFLAGS $($filter_cppflags "$@")
 525 }
 526
 527 add_cflags(){
 528     append CFLAGS $($filter_cflags "$@")
 529 }
 530
 531 add_asflags(){
 532     append ASFLAGS $($filter_asflags "$@")
 533 }
 534
 535 add_ldflags(){
 536     append LDFLAGS "$@"
 537 }
 538
 539 add_extralibs(){
 540     append extralibs "$@"
 541 }
 542
 543 check_cmd(){
 544     log "$@"
 545     "$@" >> $logfile 2>&1
 546 }
 547
 548 check_cc(){
 549     log check_cc "$@"
 550     cat > $TMPC
 551     log_file $TMPC
 552     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
 553 }
 554
 555 check_cpp(){
 556     log check_cpp "$@"
 557     cat > $TMPC
 558     log_file $TMPC
 559     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
 560 }
 561
 562 check_as(){
 563     log check_as "$@"
 564     cat > $TMPC
 565     log_file $TMPC
 566     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
 567 }
 568
 569 check_asm(){
 570     log check_asm "$@"
 571     name="$1"
 572     asm="$2"
 573     shift 2
 574     check_as "$@" <<EOF && enable $name || disable $name
 575 void foo(void){ __asm__ volatile($asm); }
 576 EOF
 577 }
 578
 579 check_yasm(){
 580     log check_yasm "$@"
 581     echo "$1" > $TMPS
 582     log_file $TMPS
 583     shift 1
 584     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 585 }
 586
 587 check_ld(){
 588     log check_ld "$@"
 589     check_cc || return
 590     flags=''
 591     libs=''
 592     for f; do
 593         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 594     done
 595     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 596 }
 597
 598 check_cppflags(){
 599     log check_cppflags "$@"
 600     set -- $($filter_cppflags "$@")
 601     check_cc "$@" <<EOF && append CPPFLAGS "$@"
 602 int x;
 603 EOF
 604 }
 605
 606 check_cflags(){
 607     log check_cflags "$@"
 608     set -- $($filter_cflags "$@")
 609     check_cc "$@" <<EOF && append CFLAGS "$@"
 610 int x;
 611 EOF
 612 }
 613
 614 check_ldflags(){
 615     log check_ldflags "$@"
 616     check_ld "$@" <<EOF && add_ldflags "$@"
 617 int main(void){ return 0; }
 618 EOF
 619 }
 620
 621 check_header(){
 622     log check_header "$@"
 623     header=$1
 624     shift
 625     disable_safe $header
 626     check_cpp "$@" <<EOF && enable_safe $header
 627 #include <$header>
 628 int x;
 629 EOF
 630 }
 631
 632 check_func(){
 633     log check_func "$@"
 634     func=$1
 635     shift
 636     disable $func
 637     check_ld "$@" <<EOF && enable $func
 638 extern int $func();
 639 int main(void){ $func(); }
 640 EOF
 641 }
 642
 643 check_func_headers(){
 644     log check_func_headers "$@"
 645     headers=$1
 646     func=$2
 647     shift 2
 648     disable $func
 649     incs=""
 650     for hdr in $headers; do
 651         incs="$incs
 652 #include <$hdr>"
 653     done
 654     check_ld "$@" <<EOF && enable $func && enable_safe $headers
 655 $incs
 656 int main(int argc, char **argv){
 657     return (long) $func;
 658 }
 659 EOF
 660 }
 661
 662 check_cpp_condition(){
 663     log check_cpp_condition "$@"
 664     header=$1
 665     condition=$2
 666     check_cpp <<EOF
 667 #include <$header>
 668 #if !($condition)
 669 #error "unsatisfied condition: $condition"
 670 #endif
 671 EOF
 672 }
 673
 674 check_lib(){
 675     log check_lib "$@"
 676     header="$1"
 677     func="$2"
 678     shift 2
 679     temp_extralibs "$@"
 680     check_header $header && check_func $func && add_extralibs "$@"
 681     err=$?
 682     restore_flags
 683     return $err
 684 }
 685
 686 check_lib2(){
 687     log check_lib2 "$@"
 688     headers="$1"
 689     func="$2"
 690     shift 2
 691     temp_extralibs "$@"
 692     check_func_headers "$headers" $func && add_extralibs "$@"
 693     err=$?
 694     restore_flags
 695     return $err
 696 }
 697
 698 check_exec(){
 699     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 700 }
 701
 702 check_exec_crash(){
 703     code=$(cat)
 704
 705     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 706     # are safe but may not be available everywhere.  Thus we use
 707     # raise(SIGTERM) instead.  The check is run in a subshell so we
 708     # can redirect the "Terminated" message from the shell.  SIGBUS
 709     # is not defined by standard C so it is used conditionally.
 710
 711     (check_exec "$@") >> $logfile 2>&1 <<EOF
 712 #include <signal.h>
 713 static void sighandler(int sig){
 714     raise(SIGTERM);
 715 }
 716 int main(void){
 717     signal(SIGILL, sighandler);
 718     signal(SIGFPE, sighandler);
 719     signal(SIGSEGV, sighandler);
 720 #ifdef SIGBUS
 721     signal(SIGBUS, sighandler);
 722 #endif
 723     { $code }
 724 }
 725 EOF
 726 }
 727
 728 check_type(){
 729     log check_type "$@"
 730     headers=$1
 731     type=$2
 732     shift 2
 733     disable $type
 734     incs=""
 735     for hdr in $headers; do
 736         incs="$incs
 737 #include <$hdr>"
 738     done
 739     check_cc "$@" <<EOF && enable $type
 740 $incs
 741 $type v;
 742 EOF
 743 }
 744
 745 require(){
 746     name="$1"
 747     header="$2"
 748     func="$3"
 749     shift 3
 750     check_lib $header $func "$@" || die "ERROR: $name not found"
 751 }
 752
 753 require2(){
 754     name="$1"
 755     headers="$2"
 756     func="$3"
 757     shift 3
 758     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 759 }
 760
 761 check_foo_config(){
 762     cfg=$1
 763     pkg=$2
 764     header=$3
 765     func=$4
 766     shift 4
 767     disable $cfg
 768     check_cmd ${pkg}-config --version
 769     err=$?
 770     if test "$err" = 0; then
 771         temp_cflags $(${pkg}-config --cflags)
 772         temp_extralibs $(${pkg}-config --libs)
 773         check_lib "$@" $header $func && enable $cfg
 774     fi
 775     return $err
 776 }
 777
 778 apply(){
 779     file=$1
 780     shift
 781     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 782 }
 783
 784 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 785 # system-dependent things.
 786
 787 COMPONENT_LIST="
 788     bsfs
 789     decoders
 790     demuxers
 791     encoders
 792     filters
 793     hwaccels
 794     indevs
 795     muxers
 796     outdevs
 797     parsers
 798     protocols
 799 "
 800
 801 CONFIG_LIST="
 802     $COMPONENT_LIST
 803     aandct
 804     avfilter
 805     avfilter_lavf
 806     avisynth
 807     beos_netserver
 808     bzlib
 809     fastdiv
 810     ffmpeg
 811     ffplay
 812     ffserver
 813     fft
 814     golomb
 815     gpl
 816     gprof
 817     gray
 818     hardcoded_tables
 819     ipv6
 820     libdc1394
 821     libdirac
 822     libfaac
 823     libfaad
 824     libfaadbin
 825     libgsm
 826     libmp3lame
 827     libnut
 828     libopencore_amrnb
 829     libopencore_amrwb
 830     libopenjpeg
 831     libschroedinger
 832     libspeex
 833     libtheora
 834     libvorbis
 835     libx264
 836     libxvid
 837     mdct
 838     memalign_hack
 839     mlib
 840     mpegaudio_hp
 841     network
 842     nonfree
 843     postproc
 844     powerpc_perf
 845     rdft
 846     runtime_cpudetect
 847     shared
 848     small
 849     static
 850     swscale_alpha
 851     vaapi
 852     vdpau
 853     version3
 854     x11grab
 855     zlib
 856 "
 857
 858 THREADS_LIST='
 859     beosthreads
 860     os2threads
 861     pthreads
 862     w32threads
 863 '
 864
 865 ARCH_LIST='
 866     alpha
 867     arm
 868     bfin
 869     ia64
 870     m68k
 871     mips
 872     mips64
 873     parisc
 874     ppc
 875     ppc64
 876     s390
 877     sh4
 878     sparc
 879     sparc64
 880     x86
 881     x86_32
 882     x86_64
 883 '
 884
 885 ARCH_EXT_LIST='
 886     altivec
 887     amd3dnow
 888     amd3dnowext
 889     armv5te
 890     armv6
 891     armv6t2
 892     armvfp
 893     iwmmxt
 894     mmi
 895     mmx
 896     mmx2
 897     neon
 898     ppc4xx
 899     sse
 900     ssse3
 901     vis
 902 '
 903
 904 HAVE_LIST="
 905     $ARCH_EXT_LIST
 906     $THREADS_LIST
 907     alsa_asoundlib_h
 908     altivec_h
 909     arpa_inet_h
 910     attribute_packed
 911     bigendian
 912     bswap
 913     closesocket
 914     cmov
 915     conio_h
 916     dcbzl
 917     dev_bktr_ioctl_bt848_h
 918     dev_bktr_ioctl_meteor_h
 919     dev_ic_bt8xx_h
 920     dev_video_meteor_ioctl_meteor_h
 921     dev_video_bktr_ioctl_bt848_h
 922     dlfcn_h
 923     dlopen
 924     dos_paths
 925     ebp_available
 926     ebx_available
 927     fast_64bit
 928     fast_cmov
 929     fast_unaligned
 930     fork
 931     gethrtime
 932     GetProcessTimes
 933     getrusage
 934     inet_aton
 935     inline_asm
 936     isatty
 937     ldbrx
 938     libdc1394_1
 939     libdc1394_2
 940     llrint
 941     log2
 942     loongson
 943     lrint
 944     lrintf
 945     lzo1x_999_compress
 946     machine_ioctl_bt848_h
 947     machine_ioctl_meteor_h
 948     malloc_h
 949     memalign
 950     mkstemp
 951     pld
 952     posix_memalign
 953     round
 954     roundf
 955     sdl
 956     sdl_video_size
 957     setmode
 958     socklen_t
 959     soundcard_h
 960     poll_h
 961     sys_mman_h
 962     sys_resource_h
 963     sys_select_h
 964     sys_soundcard_h
 965     sys_videoio_h
 966     ten_operands
 967     termios_h
 968     threads
 969     truncf
 970     vfp_args
 971     VirtualAlloc
 972     winsock2_h
 973     xform_asm
 974     yasm
 975 "
 976
 977 # options emitted with CONFIG_ prefix but not available on command line
 978 CONFIG_EXTRA="
 979     gplv3
 980     lgplv3
 981 "
 982
 983 CMDLINE_SELECT="
 984     $ARCH_EXT_LIST
 985     $CONFIG_LIST
 986     $THREADS_LIST
 987     cross_compile
 988     debug
 989     extra_warnings
 990     logging
 991     optimizations
 992     stripping
 993     yasm
 994 "
 995
 996 PATHS_LIST='
 997     bindir
 998     datadir
 999     incdir
1000     libdir
1001     mandir
1002     prefix
1003     shlibdir
1004 '
1005
1006 CMDLINE_SET="
1007     $PATHS_LIST
1008     arch
1009     as
1010     build_suffix
1011     cc
1012     cpu
1013     cross_prefix
1014     dep_cc
1015     extra_version
1016     host_cc
1017     host_cflags
1018     host_ldflags
1019     host_libs
1020     host_os
1021     ld
1022     logfile
1023     nm
1024     source_path
1025     sysinclude
1026     sysroot
1027     target_exec
1028     target_os
1029     target_path
1030 "
1031
1032 CMDLINE_APPEND="
1033     extra_cflags
1034 "
1035
1036 # code dependency declarations
1037
1038 # architecture extensions
1039 altivec_deps="ppc"
1040 amd3dnow_deps="mmx"
1041 amd3dnowext_deps="amd3dnow"
1042 armv5te_deps="arm"
1043 armv6_deps="arm"
1044 armv6t2_deps="arm"
1045 armvfp_deps="arm"
1046 iwmmxt_deps="arm"
1047 mmi_deps="mips"
1048 mmx_deps="x86"
1049 mmx2_deps="mmx"
1050 neon_deps="arm"
1051 ppc4xx_deps="ppc"
1052 sse_deps="mmx"
1053 ssse3_deps="sse"
1054 vis_deps="sparc"
1055
1056 need_memalign="altivec neon sse"
1057 inline_asm_deps="!tms470"
1058
1059 # decoders / encoders / hardware accelerators
1060 aac_decoder_select="fft mdct"
1061 aac_encoder_select="fft mdct"
1062 ac3_decoder_select="fft mdct"
1063 atrac3_decoder_select="fft mdct"
1064 cavs_decoder_select="golomb"
1065 cook_decoder_select="fft mdct"
1066 cscd_decoder_suggest="zlib"
1067 dca_decoder_select="fft mdct"
1068 dnxhd_encoder_select="aandct"
1069 dxa_decoder_select="zlib"
1070 eac3_decoder_select="ac3_decoder"
1071 eamad_decoder_select="aandct"
1072 eatgq_decoder_select="aandct"
1073 eatqi_decoder_select="aandct"
1074 ffv1_decoder_select="golomb"
1075 flac_decoder_select="golomb"
1076 flac_encoder_select="golomb"
1077 flashsv_decoder_select="zlib"
1078 flashsv_encoder_select="zlib"
1079 flv_encoder_select="h263_encoder"
1080 h261_encoder_select="aandct"
1081 h263_encoder_select="aandct"
1082 h263_vaapi_hwaccel_deps="va_va_h"
1083 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1084 h263p_encoder_select="h263_encoder"
1085 h264_decoder_select="golomb"
1086 h264_vaapi_hwaccel_deps="va_va_h"
1087 h264_vaapi_hwaccel_select="vaapi"
1088 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1089 h264_vdpau_decoder_select="vdpau h264_decoder"
1090 imc_decoder_select="fft mdct"
1091 jpegls_decoder_select="golomb"
1092 jpegls_encoder_select="golomb"
1093 ljpeg_encoder_select="aandct"
1094 loco_decoder_select="golomb"
1095 mjpeg_encoder_select="aandct"
1096 mpeg1video_encoder_select="aandct"
1097 mpeg2video_encoder_select="aandct"
1098 mpeg4_encoder_select="h263_encoder"
1099 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1100 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1101 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1102 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1103 mpeg2_vaapi_hwaccel_deps="va_va_h"
1104 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1105 mpeg4_vaapi_hwaccel_deps="va_va_h"
1106 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1107 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1108 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1109 msmpeg4v1_encoder_select="h263_encoder"
1110 msmpeg4v2_encoder_select="h263_encoder"
1111 msmpeg4v3_encoder_select="h263_encoder"
1112 nellymoser_decoder_select="fft mdct"
1113 nellymoser_encoder_select="fft mdct"
1114 png_decoder_select="zlib"
1115 png_encoder_select="zlib"
1116 qdm2_decoder_select="fft mdct rdft"
1117 rv10_encoder_select="h263_encoder"
1118 rv20_encoder_select="h263_encoder"
1119 rv30_decoder_select="golomb"
1120 rv40_decoder_select="golomb"
1121 shorten_decoder_select="golomb"
1122 sonic_decoder_select="golomb"
1123 sonic_encoder_select="golomb"
1124 sonic_ls_encoder_select="golomb"
1125 svq3_decoder_select="golomb"
1126 svq3_decoder_suggest="zlib"
1127 theora_decoder_select="vp3_decoder"
1128 tiff_decoder_suggest="zlib"
1129 tiff_encoder_suggest="zlib"
1130 tscc_decoder_select="zlib"
1131 vc1_vaapi_hwaccel_deps="va_va_h"
1132 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1133 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1134 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1135 vorbis_decoder_select="fft mdct"
1136 vorbis_encoder_select="fft mdct"
1137 vp6a_decoder_select="vp6_decoder"
1138 vp6f_decoder_select="vp6_decoder"
1139 wmav1_decoder_select="fft mdct"
1140 wmav1_encoder_select="fft mdct"
1141 wmav2_decoder_select="fft mdct"
1142 wmav2_encoder_select="fft mdct"
1143 wmv1_encoder_select="h263_encoder"
1144 wmv2_encoder_select="h263_encoder"
1145 wmv3_decoder_select="vc1_decoder"
1146 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1147 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1148 zlib_decoder_select="zlib"
1149 zlib_encoder_select="zlib"
1150 zmbv_decoder_select="zlib"
1151 zmbv_encoder_select="zlib"
1152
1153 # parsers
1154 h264_parser_select="golomb"
1155
1156 # external libraries
1157 libdirac_decoder_deps="libdirac !libschroedinger"
1158 libdirac_encoder_deps="libdirac"
1159 libfaac_encoder_deps="libfaac"
1160 libfaad_decoder_deps="libfaad"
1161 libfaadbin_decoder_extralibs='$ldl'
1162 libgsm_decoder_deps="libgsm"
1163 libgsm_encoder_deps="libgsm"
1164 libgsm_ms_decoder_deps="libgsm"
1165 libgsm_ms_encoder_deps="libgsm"
1166 libmp3lame_encoder_deps="libmp3lame"
1167 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1168 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1169 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1170 libopenjpeg_decoder_deps="libopenjpeg"
1171 libschroedinger_decoder_deps="libschroedinger"
1172 libschroedinger_encoder_deps="libschroedinger"
1173 libspeex_decoder_deps="libspeex"
1174 libtheora_encoder_deps="libtheora"
1175 libvorbis_encoder_deps="libvorbis"
1176 libx264_encoder_deps="libx264"
1177 libxvid_encoder_deps="libxvid"
1178
1179 # demuxers / muxers
1180 ac3_demuxer_deps="ac3_parser"
1181 asf_stream_muxer_select="asf_muxer"
1182 avisynth_demuxer_deps="avisynth"
1183 dirac_demuxer_deps="dirac_parser"
1184 ipod_muxer_select="mov_muxer"
1185 libnut_demuxer_deps="libnut"
1186 libnut_muxer_deps="libnut"
1187 matroska_audio_muxer_select="matroska_muxer"
1188 matroska_demuxer_suggest="zlib bzlib"
1189 mov_demuxer_suggest="zlib"
1190 mp3_demuxer_deps="mpegaudio_parser"
1191 mp4_muxer_select="mov_muxer"
1192 mpegtsraw_demuxer_select="mpegts_demuxer"
1193 mxf_d10_muxer_select="mxf_muxer"
1194 psp_muxer_select="mov_muxer"
1195 redir_demuxer_deps="network"
1196 rtp_muxer_deps="network rtp_protocol"
1197 rtsp_demuxer_deps="sdp_demuxer"
1198 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1199 tg2_muxer_select="mov_muxer"
1200 tgp_muxer_select="mov_muxer"
1201
1202 # indevs / outdevs
1203 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1204 alsa_indev_extralibs="-lasound"
1205 alsa_outdev_deps="alsa_asoundlib_h"
1206 alsa_outdev_extralibs="-lasound"
1207 audio_beos_indev_deps="audio_beos"
1208 audio_beos_indev_extralibs="-lmedia -lbe"
1209 audio_beos_outdev_deps="audio_beos"
1210 audio_beos_outdev_extralibs="-lmedia -lbe"
1211 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1212 dv1394_indev_deps="dv1394 dv_demuxer"
1213 jack_indev_deps="jack_jack_h"
1214 jack_indev_extralibs="-ljack"
1215 libdc1394_indev_deps="libdc1394"
1216 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1217 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1218 v4l_indev_deps="linux_videodev_h"
1219 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1220 vfwcap_indev_deps="capCreateCaptureWindow"
1221 vfwcap_indev_extralibs="-lvfw32"
1222 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1223 x11_grab_device_indev_extralibs="-lX11 -lXext"
1224
1225 # protocols
1226 gopher_protocol_deps="network"
1227 http_protocol_deps="network"
1228 rtmp_protocol_deps="tcp_protocol"
1229 rtp_protocol_deps="udp_protocol"
1230 tcp_protocol_deps="network"
1231 udp_protocol_deps="network"
1232
1233 # filters
1234 movie_filter_deps="avfilter_lavf"
1235
1236 # programs
1237 ffplay_deps="sdl"
1238 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1239 ffserver_extralibs='$ldl'
1240
1241
1242 # default parameters
1243
1244 logfile="config.err"
1245
1246 # installation paths
1247 prefix_default="/usr/local"
1248 bindir_default='${prefix}/bin'
1249 datadir_default='${prefix}/share/ffmpeg'
1250 incdir_default='${prefix}/include'
1251 libdir_default='${prefix}/lib'
1252 mandir_default='${prefix}/share/man'
1253 shlibdir_default="$libdir_default"
1254
1255 # toolchain
1256 ar="ar"
1257 cc_default="gcc"
1258 host_cc_default="gcc"
1259 ln_s="ln -sf"
1260 nm_default="nm"
1261 objformat="elf"
1262 ranlib="ranlib"
1263 strip="strip"
1264 yasmexe="yasm"
1265
1266 # machine
1267 arch=$(uname -m)
1268 cpu="generic"
1269
1270 # OS
1271 target_os=$(tolower $(uname -s))
1272 host_os=$target_os
1273
1274 # configurable options
1275 enable debug
1276 enable fastdiv
1277 enable ffmpeg
1278 enable ffplay
1279 enable ffserver
1280 enable ipv6
1281 enable mpegaudio_hp
1282 enable network
1283 enable optimizations
1284 enable protocols
1285 enable static
1286 enable stripping
1287 enable swscale_alpha
1288
1289 # build settings
1290 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1291 FFSERVERLDFLAGS=-Wl,-E
1292 LIBPREF="lib"
1293 LIBSUF=".a"
1294 FULLNAME='$(NAME)$(BUILDSUF)'
1295 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1296 SLIBPREF="lib"
1297 SLIBSUF=".so"
1298 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1299 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1300 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1301 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1302
1303 CC_O='-o $@'
1304
1305 host_cflags='-O3 -g -Wall'
1306 host_libs='-lm'
1307
1308 target_path='.'
1309
1310 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1311 # full relative path for objects in subdirectories for non-recursive Make.
1312 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $@'
1313 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1314
1315 # find source path
1316 source_path="$(dirname "$0")"
1317 enable source_path_used
1318 if test -f configure; then
1319     source_path="$(pwd)"
1320     disable source_path_used
1321 else
1322     source_path="$(cd "$source_path"; pwd)"
1323     echo "$source_path" | grep -q '[[:blank:]]' &&
1324         die "Out of tree builds are impossible with whitespace in source path."
1325     test -e "$source_path/config.h" &&
1326         die "Out of tree builds are impossible with config.h in source dir."
1327 fi
1328
1329 for v in "$@"; do
1330     r=${v#*=}
1331     l=${v%"$r"}
1332     r=$(sh_quote "$r")
1333     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1334 done
1335
1336 find_things(){
1337     thing=$1
1338     pattern=$2
1339     file=$source_path/$3
1340     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1341 }
1342
1343 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1344 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1345 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1346 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1347 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1348 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1349 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1350 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1351 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1352 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1353 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1354
1355 enable $ARCH_EXT_LIST \
1356        $DECODER_LIST \
1357        $ENCODER_LIST \
1358        $HWACCEL_LIST \
1359        $PARSER_LIST \
1360        $BSF_LIST \
1361        $DEMUXER_LIST \
1362        $MUXER_LIST \
1363        $FILTER_LIST \
1364        $PROTOCOL_LIST \
1365        $INDEV_LIST \
1366        $OUTDEV_LIST \
1367
1368 die_unknown(){
1369     echo "Unknown option \"$1\"."
1370     echo "See $0 --help for available options."
1371     exit 1
1372 }
1373
1374 show_list() {
1375     suffix=_$1
1376     shift
1377     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1378     exit 0
1379 }
1380
1381 for opt do
1382     optval="${opt#*=}"
1383     case "$opt" in
1384     --extra-ldflags=*) add_ldflags $optval
1385     ;;
1386     --extra-libs=*) add_extralibs $optval
1387     ;;
1388     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1389     ;;
1390     --enable-debug=*) debuglevel="$optval"
1391     ;;
1392     --enable-*=*|--disable-*=*)
1393     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1394     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1395     eval list=\$$(toupper $thing)_LIST
1396     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1397     $action $(filter "$name" $list)
1398     ;;
1399     --enable-?*|--disable-?*)
1400     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1401     if is_in $option $COMPONENT_LIST; then
1402         test $action = disable && action=unset
1403         eval $action \$$(toupper ${option%s})_LIST
1404     elif is_in $option $CMDLINE_SELECT; then
1405         $action $option
1406     else
1407         die_unknown $opt
1408     fi
1409     ;;
1410     --list-*)
1411         NAME="${opt#--list-}"
1412         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1413         NAME=${NAME%s}
1414         eval show_list $NAME \$$(toupper $NAME)_LIST
1415     ;;
1416     --help|-h) show_help
1417     ;;
1418     *)
1419     optname="${opt%%=*}"
1420     optname="${optname#--}"
1421     optname=$(echo "$optname" | sed 's/-/_/g')
1422     if is_in $optname $CMDLINE_SET; then
1423         eval $optname='$optval'
1424     elif is_in $optname $CMDLINE_APPEND; then
1425         append $optname "$optval"
1426     else
1427          die_unknown $opt
1428     fi
1429     ;;
1430     esac
1431 done
1432
1433 disabled logging && logfile=/dev/null
1434
1435 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1436 set >> $logfile
1437
1438 test -n "$cross_prefix" && enable cross_compile
1439
1440 ar="${cross_prefix}${ar}"
1441 cc_default="${cross_prefix}${cc_default}"
1442 nm_default="${cross_prefix}${nm_default}"
1443 ranlib="${cross_prefix}${ranlib}"
1444 strip="${cross_prefix}${strip}"
1445
1446 sysinclude_default="${sysroot}/usr/include"
1447
1448 set_default cc nm sysinclude
1449 enabled cross_compile || host_cc_default=$cc
1450 set_default host_cc
1451
1452 exesuf() {
1453     case $1 in
1454         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1455     esac
1456 }
1457
1458 EXESUF=$(exesuf $target_os)
1459 HOSTEXESUF=$(exesuf $host_os)
1460
1461 # set temporary file name
1462 : ${TMPDIR:=$TEMPDIR}
1463 : ${TMPDIR:=$TMP}
1464 : ${TMPDIR:=/tmp}
1465
1466 if ! check_cmd type mktemp; then
1467     # simple replacement for missing mktemp
1468     # NOT SAFE FOR GENERAL USE
1469     mktemp(){
1470         echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1471     }
1472 fi
1473
1474 tmpfile(){
1475     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1476         (set -C; exec > $tmp) 2>/dev/null ||
1477         die "Unable to create temoporary file in $TMPDIR."
1478     append TMPFILES $tmp
1479     eval $1=$tmp
1480 }
1481
1482 trap 'rm -f -- $TMPFILES' EXIT
1483 trap exit HUP INT TERM
1484
1485 tmpfile TMPC  .c
1486 tmpfile TMPE  $EXESUF
1487 tmpfile TMPH  .h
1488 tmpfile TMPO  .o
1489 tmpfile TMPS  .S
1490 tmpfile TMPSH .sh
1491
1492 unset -f mktemp
1493
1494 # make sure we can execute files in $TMPDIR
1495 cat > $TMPSH 2>> $logfile <<EOF
1496 #! /bin/sh
1497 EOF
1498 chmod +x $TMPSH >> $logfile 2>&1
1499 if ! $TMPSH >> $logfile 2>&1; then
1500     cat <<EOF
1501 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1502 variable to another directory and make sure that it is not mounted noexec.
1503 EOF
1504     die "Sanity test failed."
1505 fi
1506
1507 filter_cflags=echo
1508 filter_cppflags=echo
1509 filter_asflags=echo
1510
1511 if   $cc --version 2>/dev/null | grep -qi gcc; then
1512     cc_type=gcc
1513 elif $cc --version 2>/dev/null | grep -q Intel; then
1514     cc_type=icc
1515 elif $cc -v 2>&1 | grep -q xlc; then
1516     cc_type=xlc
1517 elif $cc -V 2>/dev/null | grep -q Compaq; then
1518     cc_type=ccc
1519     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1520     debuglevel=3
1521     add_ldflags -Wl,-z,now # calls to libots crash without this
1522 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1523     test -d "$sysroot" || die "No valid sysroot specified."
1524     cc_type=armcc
1525     armcc_conf="$PWD/armcc.conf"
1526     $cc --arm_linux_configure                 \
1527         --arm_linux_config_file="$armcc_conf" \
1528         --configure_sysroot="$sysroot"        \
1529         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1530         die "Error creating armcc configuration file."
1531     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1532     as_default="${cross_prefix}gcc"
1533 elif $cc -version 2>/dev/null | grep -q TMS470; then
1534     cc_type=tms470
1535     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1536     CC_O='-fr=$(@D)'
1537     as_default="${cross_prefix}gcc"
1538     ld_default="${cross_prefix}gcc"
1539     dep_cc_default="${cross_prefix}gcc"
1540     TMPO=$(basename $TMPC .c).o
1541     append TMPFILES $TMPO
1542     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1543     DEPFLAGS='$(CPPFLAGS) -MM'
1544     filter_cflags=tms470_flags
1545     tms470_flags(){
1546         for flag; do
1547             case $flag in
1548                 -march=*|-mcpu=*)
1549                     case "${flag#*=}" in
1550                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
1551                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
1552                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
1553                         armv6*|arm11*)          echo -mv=6   ;;
1554                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1555                                                 echo -mv=5e  ;;
1556                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1557                     esac
1558                     ;;
1559                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1560                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
1561                 -mfpu=softvfp)  echo --float_support=vfplib       ;;
1562                 -Os)            echo -O3 -mf=2                    ;;
1563                 -O[0-3])        echo $flag -mf=5                  ;;
1564                 -g)             echo -g -mn                       ;;
1565             esac
1566         done
1567     }
1568 fi
1569
1570 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1571
1572 : ${as_default:=$cc}
1573 : ${dep_cc_default:=$cc}
1574 : ${ld_default:=$cc}
1575 set_default as dep_cc ld
1576
1577 add_cflags $extra_cflags
1578 add_asflags $extra_cflags
1579
1580 if test -n "$sysroot"; then
1581     case "$cc_type" in
1582         gcc)
1583             add_cppflags --sysroot="$sysroot"
1584             add_ldflags --sysroot="$sysroot"
1585         ;;
1586         tms470)
1587             add_cppflags -I"$sysinclude"
1588             add_ldflags  --sysroot="$sysroot"
1589         ;;
1590     esac
1591 fi
1592
1593 if test "$cpu" = host; then
1594     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1595
1596     case "$cc_type" in
1597         gcc)
1598             check_native(){
1599                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1600                 awk "/$1=/{ match(\$0, /$1=(\\w+)/, a);print a[1];exit }" $TMPE
1601             }
1602             cpu=$(check_native -march || check_native -mcpu)
1603         ;;
1604     esac
1605
1606     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1607 fi
1608
1609 # Add processor-specific flags
1610 case $cpu in
1611     601|ppc601|PowerPC601)
1612         cpuflags="-mcpu=601"
1613     ;;
1614     603*|ppc603*|PowerPC603*)
1615         cpuflags="-mcpu=603"
1616     ;;
1617     604*|ppc604*|PowerPC604*)
1618         cpuflags="-mcpu=604"
1619     ;;
1620     G3|g3|75*|ppc75*|PowerPC75*)
1621         cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1622     ;;
1623     G4|g4|745*|ppc745*|PowerPC745*)
1624         cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1625     ;;
1626     74*|ppc74*|PowerPC74*)
1627         cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1628     ;;
1629     G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1630         cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1631     ;;
1632     Cell|CELL|cell)
1633         cpuflags="-mcpu=cell"
1634         enable ldbrx
1635     ;;
1636     # targets that do NOT support conditional mov (cmov)
1637     i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1638         cpuflags="-march=$cpu"
1639         disable cmov
1640     ;;
1641     # targets that do support conditional mov (cmov)
1642     i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1643         cpuflags="-march=$cpu"
1644         enable cmov
1645         enable fast_cmov
1646     ;;
1647     # targets that do support conditional mov but on which it's slow
1648     pentium4|pentium4m|prescott|nocona)
1649         cpuflags="-march=$cpu"
1650         enable cmov
1651         disable fast_cmov
1652     ;;
1653     sparc64)
1654         cpuflags="-mcpu=v9"
1655     ;;
1656     arm11*|cortex*)
1657         cpuflags="-mcpu=$cpu"
1658         enable fast_unaligned
1659     ;;
1660     armv[67]*)
1661         cpuflags="-march=$cpu"
1662         enable fast_unaligned
1663     ;;
1664     armv*)
1665         cpuflags="-march=$cpu"
1666     ;;
1667     arm*)
1668         cpuflags="-mcpu=$cpu"
1669     ;;
1670     ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1671         enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1672     ;;
1673     bf*)
1674         cpuflags="-mcpu=$cpu"
1675     ;;
1676     mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1677         cpuflags="-march=$cpu"
1678     ;;
1679     generic)
1680     ;;
1681     *)
1682         echo "WARNING: Unknown CPU \"$cpu\", ignored."
1683     ;;
1684 esac
1685
1686 add_cflags $cpuflags
1687 add_asflags $cpuflags
1688
1689 # compiler sanity check
1690 check_exec <<EOF
1691 int main(void){ return 0; }
1692 EOF
1693 if test "$?" != 0; then
1694     echo "$cc is unable to create an executable file."
1695     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1696         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1697         echo "Only do this if you know what cross compiling means."
1698     fi
1699     die "C compiler test failed."
1700 fi
1701
1702 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1703 check_cflags -std=c99
1704 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1705 #include <stdlib.h>
1706 EOF
1707 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1708 #include <stdlib.h>
1709 EOF
1710
1711 case "$arch" in
1712     alpha)
1713         arch="alpha"
1714         enable fast_64bit
1715         check_cflags -mieee
1716         pic=$shared
1717     ;;
1718     arm|armv[4567]*l)
1719         arch="arm"
1720     ;;
1721     avr32)
1722     ;;
1723     bfin)
1724         arch="bfin"
1725     ;;
1726     ia64)
1727         arch="ia64"
1728         enable fast_64bit
1729         pic=$shared
1730     ;;
1731     m68k)
1732         arch="m68k"
1733     ;;
1734     mips|mipsel|IP*)
1735         arch="mips"
1736         pic=$shared
1737     ;;
1738     mips64)
1739         arch="mips"
1740         subarch="mips64"
1741         enable fast_64bit
1742         pic=$shared
1743     ;;
1744     parisc|hppa)
1745         arch="parisc"
1746         pic=$shared
1747     ;;
1748     parisc64|hppa64)
1749         arch="parisc"
1750         enable fast_64bit
1751         pic=$shared
1752     ;;
1753     "Power Macintosh"|ppc|powerpc)
1754         arch="ppc"
1755         enable fast_unaligned
1756     ;;
1757     ppc64)
1758         arch="ppc"
1759         subarch="ppc64"
1760         enable fast_64bit
1761         enable fast_unaligned
1762     ;;
1763     s390|s390x)
1764         arch="s390"
1765     ;;
1766     sh4|sh)
1767         arch="sh4"
1768     ;;
1769     sparc)
1770         arch="sparc"
1771         pic=$shared
1772     ;;
1773     sun4u|sparc64)
1774         arch="sparc"
1775         subarch="sparc64"
1776         enable fast_64bit
1777         pic=$shared
1778     ;;
1779     i386|i486|i586|i686|i86pc|BePC)
1780         arch="x86"
1781         subarch="x86_32"
1782         enable fast_unaligned
1783     ;;
1784     x86_64|amd64)
1785         arch="x86"
1786         subarch="x86_32"
1787         enable cmov
1788         enable fast_cmov
1789         enable fast_unaligned
1790         check_cc <<EOF && enable fast_64bit && subarch="x86_64" && pic=$shared
1791         int test[sizeof(char*) - 7];
1792 EOF
1793     ;;
1794     *)
1795         arch="unknown"
1796     ;;
1797 esac
1798
1799 enable $arch $subarch
1800
1801 # OS specific
1802 case $target_os in
1803     beos|haiku|zeta)
1804         prefix_default="$HOME/config"
1805         # helps building libavcodec
1806         add_cppflags -DPIC
1807         add_cflags -fomit-frame-pointer
1808         # 3 gcc releases known for BeOS, each with ugly bugs
1809         gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1810         case "$gcc_version" in
1811           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1812             disable mmx
1813             ;;
1814           *20010315*) echo "BeBits gcc"
1815             add_cflags -fno-expensive-optimizations
1816             ;;
1817         esac
1818         SHFLAGS=-nostart
1819         # enable BeOS things
1820         enable audio_beos
1821         # no need for libm, but the inet stuff
1822         # Check for BONE
1823         # XXX: actually should check for NOT net_server
1824         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1825             network_extralibs="-lbind -lsocket"
1826         else
1827             enable beos_netserver
1828             network_extralibs="-lnet"
1829         fi ;;
1830     sunos)
1831         FFSERVERLDFLAGS=""
1832         SHFLAGS='-shared -Wl,-h,$$(@F)'
1833         network_extralibs="-lsocket -lnsl"
1834         add_cppflags -D__EXTENSIONS__
1835         ;;
1836     netbsd)
1837         oss_indev_extralibs="-lossaudio"
1838         oss_outdev_extralibs="-lossaudio"
1839         ;;
1840     openbsd)
1841         enable malloc_aligned
1842         enable pic
1843         SHFLAGS='-shared'
1844         oss_indev_extralibs="-lossaudio"
1845         oss_outdev_extralibs="-lossaudio"
1846         ;;
1847     freebsd|dragonfly)
1848         enable malloc_aligned
1849         ;;
1850     bsd/os)
1851         osextralibs="-lpoll -lgnugetopt"
1852         strip="strip -d"
1853         ;;
1854     darwin)
1855         enable malloc_aligned
1856         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1857         strip="strip -x"
1858         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1859         SLIBSUF=".dylib"
1860         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1861         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1862         FFSERVERLDFLAGS=-Wl,-bind_at_load
1863         objformat="macho"
1864         enabled x86_64 && objformat="macho64"
1865         enabled shared || check_cflags -mdynamic-no-pic
1866         ;;
1867     mingw32*)
1868         if test $target_os = "mingw32ce"; then
1869             disable network
1870         else
1871             target_os=mingw32
1872         fi
1873         LIBTARGET=i386
1874         if enabled x86_64; then
1875             enable malloc_aligned
1876             LIBTARGET=x64
1877         elif enabled arm; then
1878             LIBTARGET=arm
1879         fi
1880         shlibdir_default="$bindir_default"
1881         disable ffserver
1882         SLIBPREF=""
1883         SLIBSUF=".dll"
1884         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1885         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1886         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1887         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1888             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1889             install -d "$(LIBDIR)"; \
1890             install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1891         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1892         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1893         objformat="win32"
1894         enable dos_paths
1895         check_cflags -fno-common
1896         if ! enabled x86_64; then
1897             check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1898                 die "ERROR: MinGW runtime version must be >= 3.15."
1899             enabled_any avisynth vfwcap_indev &&
1900                 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1901                   die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1902             fi
1903         ;;
1904     cygwin*)
1905         target_os=cygwin
1906         shlibdir_default="$bindir_default"
1907         SLIBPREF="cyg"
1908         SLIBSUF=".dll"
1909         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1910         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1911         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1912         objformat="win32"
1913         enable dos_paths
1914         check_cflags -fno-common
1915         ;;
1916     *-dos|freedos|opendos)
1917         disable ffplay ffserver
1918         disable $INDEV_LIST $OUTDEV_LIST
1919         network_extralibs="-lsocket"
1920         objformat="coff"
1921         enable dos_paths
1922         ;;
1923     linux)
1924         enable dv1394
1925         ;;
1926     irix*)
1927         target_os=irix
1928         ranlib="echo ignoring ranlib"
1929         ;;
1930     os/2*)
1931         strip="lxlite"
1932         ln_s="cp -f"
1933         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1934         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1935         FFSERVERLDFLAGS=""
1936         LIBSUF="_s.a"
1937         SLIBPREF=""
1938         SLIBSUF=".dll"
1939         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1940         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1941         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1942           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1943           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1944           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1945           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1946           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1947         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1948           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1949         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1950         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1951         enable dos_paths
1952         ;;
1953     gnu/kfreebsd)
1954         ;;
1955     gnu)
1956         ;;
1957
1958     *)
1959         die "Unknown OS '$target_os'."
1960         ;;
1961 esac
1962
1963 set_default $PATHS_LIST
1964
1965 add_extralibs $osextralibs
1966
1967 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1968 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1969
1970 # we need to build at least one lib type
1971 if ! enabled_any static shared; then
1972     cat <<EOF
1973 At least one library type must be built.
1974 Specify --enable-static to build the static libraries or --enable-shared to
1975 build the shared libraries as well. To only build the shared libraries specify
1976 --disable-static in addition to --enable-shared.
1977 EOF
1978     exit 1;
1979 fi
1980
1981 disabled static && LIBNAME=""
1982
1983 if enabled_any libfaad libfaadbin ; then
1984     if check_header faad.h; then
1985         check_cc <<EOF
1986 #include <faad.h>
1987 #ifndef FAAD2_VERSION
1988 ok faad1
1989 #endif
1990 int main(void) { return 0; }
1991 EOF
1992         test $? = 0 && enable libfaad2
1993     else
1994         die "FAAD test failed."
1995     fi
1996 fi
1997
1998
1999 die_license_disabled() {
2000     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2001 }
2002
2003 die_license_disabled gpl libfaad2
2004 die_license_disabled gpl libx264
2005 die_license_disabled gpl libxvid
2006 die_license_disabled gpl postproc
2007 die_license_disabled gpl x11grab
2008
2009 die_license_disabled nonfree libfaac
2010
2011 die_license_disabled version3 libopencore_amrnb
2012 die_license_disabled version3 libopencore_amrwb
2013
2014 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2015
2016 check_deps $ARCH_EXT_LIST
2017
2018 disabled optimizations || check_cflags -fomit-frame-pointer
2019
2020 check_cc <<EOF || die "Symbol mangling check failed."
2021 int ff_extern;
2022 EOF
2023 sym=$($nm -P -g $TMPO | grep ff_extern)
2024 extern_prefix=${sym%%ff_extern*}
2025
2026 check_cc <<EOF && enable inline_asm
2027 void foo(void) { __asm__ volatile ("" ::); }
2028 EOF
2029
2030 _restrict=
2031 for restrict_keyword in restrict __restrict__ __restrict; do
2032     check_cc <<EOF && _restrict=$restrict_keyword && break
2033 void foo(char * $restrict_keyword p);
2034 EOF
2035 done
2036
2037 check_cc <<EOF && enable attribute_packed
2038 struct { int x; } __attribute__((packed)) x;
2039 EOF
2040
2041 check_cc <<EOF || die "endian test failed"
2042 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2043 EOF
2044 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2045
2046 if enabled arm; then
2047
2048     check_ld <<EOF && enable vfp_args
2049 __asm__ (".eabi_attribute 28, 1");
2050 int main(void) { return 0; }
2051 EOF
2052
2053     # We have to check if pld is a nop and disable it.
2054     check_asm pld '"pld [r0]"'
2055
2056     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2057     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2058     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2059     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2060     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2061     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2062
2063 elif enabled mips; then
2064
2065     check_asm loongson '"dmult.g $1, $2, $3"'
2066     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2067
2068 elif enabled ppc; then
2069
2070     check_asm dcbzl     '"dcbzl 0, 1"'
2071     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2072     check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2073
2074     # AltiVec flags: The FSF version of GCC differs from the Apple version
2075     if enabled altivec; then
2076         check_cflags -maltivec -mabi=altivec &&
2077         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2078         check_cflags -faltivec
2079
2080         # check if our compiler supports Motorola AltiVec C API
2081         check_cc <<EOF || disable altivec
2082 $inc_altivec_h
2083 int main(void) {
2084     vector signed int v1, v2, v3;
2085     v1 = vec_add(v2,v3);
2086     return 0;
2087 }
2088 EOF
2089
2090         # check if our compiler supports braces for vector declarations
2091         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2092 $inc_altivec_h
2093 int main (void) { (vector int) {1}; return 0; }
2094 EOF
2095     fi
2096
2097 elif enabled sparc; then
2098
2099     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2100         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2101
2102 elif enabled x86; then
2103
2104     # check whether EBP is available on x86
2105     # As 'i' is stored on the stack, this program will crash
2106     # if the base pointer is used to access it because the
2107     # base pointer is cleared in the inline assembly code.
2108     check_exec_crash <<EOF && enable ebp_available
2109     volatile int i=0;
2110     __asm__ volatile (
2111         "xorl %%ebp, %%ebp"
2112     ::: "%ebp");
2113     return i;
2114 EOF
2115
2116     # check wether EBX is available on x86
2117     check_asm ebx_available '"":::"%ebx"'
2118
2119     # check whether more than 10 operands are supported
2120     check_cc <<EOF && enable ten_operands
2121 int main(void) {
2122     int x=0;
2123     __asm__ volatile(
2124         ""
2125         :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2126     );
2127     return 0;
2128 }
2129 EOF
2130
2131     # check whether binutils is new enough to compile SSSE3/MMX2
2132     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2133     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2134
2135     check_asm bswap '"bswap %%eax" ::: "%eax"'
2136
2137     YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2138     enabled     x86_64        && append YASMFLAGS "-m amd64"
2139     enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
2140     case "$objformat" in
2141         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2142         macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
2143         *)                    append YASMFLAGS "-DPREFIX"  ;;
2144     esac
2145     disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2146
2147 fi
2148
2149 if check_func dlopen; then
2150     ldl=
2151 elif check_func dlopen -ldl; then
2152     ldl=-ldl
2153 fi
2154
2155 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2156 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2157
2158 check_func  fork
2159 check_func  gethrtime
2160 check_func  getrusage
2161 check_func  inet_aton $network_extralibs
2162 check_func  isatty
2163 check_func  memalign
2164 check_func  mkstemp
2165 check_func  posix_memalign
2166 check_func_headers io.h setmode
2167 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2168 check_func_headers windows.h GetProcessTimes
2169 check_func_headers windows.h VirtualAlloc
2170
2171 check_header conio.h
2172 check_header dlfcn.h
2173 check_header malloc.h
2174 check_header poll.h
2175 check_header sys/mman.h
2176 check_header sys/resource.h
2177 check_header sys/select.h
2178 check_header termios.h
2179 check_header vdpau/vdpau.h
2180 check_header vdpau/vdpau_x11.h
2181 check_header X11/extensions/XvMClib.h
2182
2183 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2184      enabled_any $need_memalign ; then
2185     die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2186 fi
2187
2188 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2189 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2190
2191 # check for some common methods of building with pthread support
2192 # do this before the optional library checks as some of them require pthreads
2193 if enabled pthreads; then
2194     if check_func pthread_create; then
2195         :
2196     elif check_func pthread_create -pthread; then
2197         add_cflags -pthread
2198         add_extralibs -pthread
2199     elif check_func pthread_create -pthreads; then
2200         add_cflags -pthreads
2201         add_extralibs -pthreads
2202     elif check_func pthread_create -lpthreadGC2; then
2203         add_extralibs -lpthreadGC2
2204     elif ! check_lib pthread.h pthread_create -lpthread; then
2205         die "ERROR: can't find pthreads library"
2206     fi
2207 fi
2208
2209 for thread in $THREADS_LIST; do
2210     if enabled $thread; then
2211         test -n "$thread_type" &&
2212             die "ERROR: Only one thread type must be selected." ||
2213             thread_type="$thread"
2214     fi
2215 done
2216
2217 check_lib math.h sin -lm
2218 check_lib va/va.h vaInitialize -lva
2219
2220 check_func llrint
2221 check_func log2
2222 check_func lrint
2223 check_func lrintf
2224 check_func round
2225 check_func roundf
2226 check_func truncf
2227
2228 # these are off by default, so fail if requested and not available
2229 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2230 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2231                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2232                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2233 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2234 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2235 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2236 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2237 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2238 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2239 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2240 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2241 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2242                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2243 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2244 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2245 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2246 enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2247                       { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2248                         die "ERROR: libx264 version must be >= 0.65."; }
2249 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2250 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2251
2252 # libdc1394 check
2253 if enabled libdc1394; then
2254     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2255         enable libdc1394_2; } ||
2256     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2257         enable libdc1394_1; } ||
2258     die "ERROR: No version of libdc1394 found "
2259 fi
2260
2261 disable sdl_too_old
2262 disable sdl
2263 SDL_CONFIG="${cross_prefix}sdl-config"
2264 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2265     sdl_cflags=$("${SDL_CONFIG}" --cflags)
2266     temp_cflags $sdl_cflags
2267     temp_extralibs $("${SDL_CONFIG}" --libs)
2268     if check_lib2 SDL.h SDL_Init; then
2269         _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2270         if test "$_sdlversion" -lt 121 ; then
2271             enable sdl_too_old
2272         else
2273             enable sdl
2274             check_cc $sdl_cflags <<EOF && enable sdl_video_size
2275 #include <SDL.h>
2276 int main(int argc, char **argv){
2277     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2278     int w = vi->current_w;
2279     return 0;
2280 }
2281 EOF
2282         fi
2283     fi
2284     restore_flags
2285 fi
2286
2287 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2288
2289 if enabled network; then
2290     check_type "sys/types.h sys/socket.h" socklen_t
2291     # Prefer arpa/inet.h over winsock2
2292     if check_header arpa/inet.h ; then
2293         check_func closesocket
2294     elif check_header winsock2.h ; then
2295         check_func_headers winsock2.h closesocket -lws2 && \
2296             network_extralibs="-lws2" || \
2297         { check_func_headers winsock2.h closesocket -lws2_32 && \
2298             network_extralibs="-lws2_32"; }
2299         check_type ws2tcpip.h socklen_t
2300     else
2301         disable network
2302     fi
2303 fi
2304
2305 enabled_all network ipv6 && check_ld <<EOF || disable ipv6
2306 #include <sys/types.h>
2307 #include <sys/socket.h>
2308 #include <netinet/in.h>
2309 #include <netdb.h>
2310 int main(void) {
2311     struct sockaddr_storage saddr;
2312     struct ipv6_mreq mreq6;
2313     getaddrinfo(0,0,0,0);
2314     getnameinfo(0,0,0,0,0,0,0);
2315     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2316 }
2317 EOF
2318
2319 check_header linux/videodev.h
2320 check_header linux/videodev2.h
2321 check_header sys/videoio.h
2322
2323 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2324
2325 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2326 { check_header dev/bktr/ioctl_meteor.h &&
2327   check_header dev/bktr/ioctl_bt848.h; } ||
2328 { check_header machine/ioctl_meteor.h &&
2329   check_header machine/ioctl_bt848.h; } ||
2330 { check_header dev/video/meteor/ioctl_meteor.h &&
2331   check_header dev/video/bktr/ioctl_bt848.h; } ||
2332 check_header dev/ic/bt8xx.h
2333
2334 check_header sys/soundcard.h
2335 check_header soundcard.h
2336
2337 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2338
2339 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2340
2341 enabled x11grab                         &&
2342 check_header X11/Xlib.h                 &&
2343 check_header X11/extensions/XShm.h      &&
2344 check_func XOpenDisplay -lX11           &&
2345 check_func XShmCreateImage -lX11 -lXext
2346
2347 enabled debug && add_cflags -g"$debuglevel"
2348
2349 # add some useful compiler flags if supported
2350 check_cflags -Wdeclaration-after-statement
2351 check_cflags -Wall
2352 check_cflags -Wno-switch
2353 check_cflags -Wdisabled-optimization
2354 check_cflags -Wpointer-arith
2355 check_cflags -Wredundant-decls
2356 check_cflags -Wno-pointer-sign
2357 check_cflags -Wcast-qual
2358 check_cflags -Wwrite-strings
2359 check_cflags -Wtype-limits
2360 check_cflags -Wundef
2361 enabled extra_warnings && check_cflags -Winline
2362
2363 # add some linker flags
2364 check_ldflags -Wl,--warn-common
2365 check_ldflags -Wl,--as-needed
2366 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'
2367 check_ldflags -Wl,-Bsymbolic
2368
2369 if enabled small; then
2370     check_cflags -Os            # not all compilers support -Os
2371     optimizations="small"
2372 elif enabled optimizations; then
2373     if enabled xlc; then
2374         add_cflags  -O5
2375         add_ldflags -O5
2376     elif enabled ccc; then
2377         add_cflags -fast
2378     else
2379         add_cflags -O3
2380     fi
2381 fi
2382 check_cflags -fno-math-errno
2383 check_cflags -fno-signed-zeros
2384
2385 if enabled icc; then
2386     # Just warnings, no remarks
2387     check_cflags -w1
2388     # -wd: Disable following warnings
2389     # 144, 167, 556: -Wno-pointer-sign
2390     # 10006: ignoring unknown option -fno-signed-zeros
2391     # 10156: ignoring option '-W'; no argument required
2392     check_cflags -wd144,167,556,10006,10156
2393     # 11030: Warning unknown option --as-needed
2394     # 10156: ignoring option '-export'; no argument required
2395     check_ldflags -wd10156,11030
2396     # Allow to compile with optimizations
2397     check_ldflags -march=$cpu
2398     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2399     enable ebp_available
2400 elif enabled ccc; then
2401     # disable some annoying warnings
2402     add_cflags -msg_disable cvtu32to64
2403     add_cflags -msg_disable embedcomment
2404     add_cflags -msg_disable needconstext
2405     add_cflags -msg_disable nomainieee
2406     add_cflags -msg_disable ptrmismatch1
2407     add_cflags -msg_disable unreachcode
2408 elif enabled gcc; then
2409     check_cflags -fno-tree-vectorize
2410 fi
2411
2412 enabled pic && LIBOBJFLAGS='$(PIC)'
2413
2414 if enabled gprof; then
2415     add_cflags  -p
2416     add_ldflags -p
2417 fi
2418
2419 # Find out if the .align argument is a power of two or not.
2420 check_asm asmalign_pot '".align 3"'
2421
2422 enabled_any $DECODER_LIST      && enable decoders
2423 enabled_any $ENCODER_LIST      && enable encoders
2424 enabled_any $HWACCEL_LIST      && enable hwaccels
2425 enabled_any $BSF_LIST          && enable bsfs
2426 enabled_any $DEMUXER_LIST      && enable demuxers
2427 enabled_any $MUXER_LIST        && enable muxers
2428 enabled_any $FILTER_LIST       && enable filters
2429 enabled_any $INDEV_LIST        && enable indevs
2430 enabled_any $OUTDEV_LIST       && enable outdevs
2431 enabled_any $PROTOCOL_LIST     && enable protocols
2432
2433 enabled_any $THREADS_LIST      && enable threads
2434
2435 check_deps $CONFIG_LIST       \
2436            $CONFIG_EXTRA      \
2437            $HAVE_LIST         \
2438            $DECODER_LIST      \
2439            $ENCODER_LIST      \
2440            $HWACCEL_LIST      \
2441            $PARSER_LIST       \
2442            $BSF_LIST          \
2443            $DEMUXER_LIST      \
2444            $MUXER_LIST        \
2445            $FILTER_LIST       \
2446            $INDEV_LIST        \
2447            $OUTDEV_LIST       \
2448            $PROTOCOL_LIST     \
2449
2450 echo "install prefix            $prefix"
2451 echo "source path               $source_path"
2452 echo "C compiler                $cc"
2453 echo ".align is power-of-two    $asmalign_pot"
2454 echo "ARCH                      $arch ($cpu)"
2455 if test "$build_suffix" != ""; then
2456     echo "build suffix              $build_suffix"
2457 fi
2458 if test "$extra_version" != ""; then
2459     echo "version string suffix     $extra_version"
2460 fi
2461 echo "big-endian                ${bigendian-no}"
2462 echo "runtime cpu detection     ${runtime_cpudetect-no}"
2463 if enabled x86; then
2464     echo "yasm                      ${yasm-no}"
2465     echo "MMX enabled               ${mmx-no}"
2466     echo "MMX2 enabled              ${mmx2-no}"
2467     echo "3DNow! enabled            ${amd3dnow-no}"
2468     echo "3DNow! extended enabled   ${amd3dnowext-no}"
2469     echo "SSE enabled               ${sse-no}"
2470     echo "SSSE3 enabled             ${ssse3-no}"
2471     echo "CMOV enabled              ${cmov-no}"
2472     echo "CMOV is fast              ${fast_cmov-no}"
2473     echo "EBX available             ${ebx_available-no}"
2474     echo "EBP available             ${ebp_available-no}"
2475     echo "10 operands supported     ${ten_operands-no}"
2476 fi
2477 if enabled arm; then
2478     echo "ARMv5TE enabled           ${armv5te-no}"
2479     echo "ARMv6 enabled             ${armv6-no}"
2480     echo "ARMv6T2 enabled           ${armv6t2-no}"
2481     echo "ARM VFP enabled           ${armvfp-no}"
2482     echo "IWMMXT enabled            ${iwmmxt-no}"
2483     echo "NEON enabled              ${neon-no}"
2484 fi
2485 if enabled mips; then
2486     echo "MMI enabled               ${mmi-no}"
2487 fi
2488 if enabled ppc; then
2489     echo "AltiVec enabled           ${altivec-no}"
2490     echo "PPC 4xx optimizations     ${ppc4xx-no}"
2491     echo "dcbzl available           ${dcbzl-no}"
2492     echo "performance report        ${powerpc_perf-no}"
2493 fi
2494 if enabled sparc; then
2495     echo "VIS enabled               ${vis-no}"
2496 fi
2497 echo "gprof enabled             ${gprof-no}"
2498 echo "debug symbols             ${debug-no}"
2499 echo "strip symbols             ${stripping-no}"
2500 echo "optimizations             ${optimizations-no}"
2501 echo "static                    ${static-no}"
2502 echo "shared                    ${shared-no}"
2503 echo "postprocessing support    ${postproc-no}"
2504 echo "new filter support        ${avfilter-no}"
2505 echo "filters using lavformat   ${avfilter_lavf-no}"
2506 echo "network support           ${network-no}"
2507 if enabled network; then
2508     echo "IPv6 support              ${ipv6-no}"
2509 fi
2510 echo "threading support         ${thread_type-no}"
2511 echo "SDL support               ${sdl-no}"
2512 if enabled sdl_too_old; then
2513     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2514 fi
2515 echo "Sun medialib support      ${mlib-no}"
2516 echo "AVISynth enabled          ${avisynth-no}"
2517 echo "libdc1394 support         ${libdc1394-no}"
2518 echo "libdirac enabled          ${libdirac-no}"
2519 echo "libfaac enabled           ${libfaac-no}"
2520 echo "libfaad enabled           ${libfaad-no}"
2521 echo "libfaad dlopened          ${libfaadbin-no}"
2522 echo "libgsm enabled            ${libgsm-no}"
2523 echo "libmp3lame enabled        ${libmp3lame-no}"
2524 echo "libnut enabled            ${libnut-no}"
2525 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2526 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2527 echo "libopenjpeg enabled       ${libopenjpeg-no}"
2528 echo "libschroedinger enabled   ${libschroedinger-no}"
2529 echo "libspeex enabled          ${libspeex-no}"
2530 echo "libtheora enabled         ${libtheora-no}"
2531 echo "libvorbis enabled         ${libvorbis-no}"
2532 echo "libx264 enabled           ${libx264-no}"
2533 echo "libxvid enabled           ${libxvid-no}"
2534 echo "zlib enabled              ${zlib-no}"
2535 echo "bzlib enabled             ${bzlib-no}"
2536 echo
2537
2538 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2539     echo "Enabled ${type}s:"
2540     eval list=\$$(toupper $type)_LIST
2541     for part in $list; do
2542         enabled $part && echo ${part%_*}
2543     done | sort | pr -3 -t
2544     echo
2545 done
2546
2547 license="LGPL version 2.1 or later"
2548 if enabled nonfree; then
2549     license="nonfree and unredistributable"
2550 elif enabled gplv3; then
2551     license="GPL version 3 or later"
2552 elif enabled lgplv3; then
2553     license="LGPL version 3 or later"
2554 elif enabled gpl; then
2555     license="GPL version 2 or later"
2556 fi
2557
2558 echo "License: $license"
2559
2560 echo "Creating config.mak and config.h..."
2561
2562 echo "# Automatically generated by configure - do not modify!" > config.mak
2563 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2564 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2565 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2566 echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2567 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2568
2569 echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2570 echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2571
2572 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2573 echo "prefix=$prefix" >> config.mak
2574 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2575 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2576 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2577 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2578 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2579 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2580 echo "SRC_PATH=\"$source_path\"" >> config.mak
2581 echo "SRC_PATH_BARE=$source_path" >> config.mak
2582 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2583 echo "CC=$cc" >> config.mak
2584 echo "AS=$as" >> config.mak
2585 echo "LD=$ld" >> config.mak
2586 echo "DEPCC=$dep_cc" >> config.mak
2587 echo "YASM=$yasmexe" >> config.mak
2588 echo "AR=$ar" >> config.mak
2589 echo "RANLIB=$ranlib" >> config.mak
2590 echo "LN_S=$ln_s" >> config.mak
2591 enabled stripping &&
2592     echo "STRIP=$strip" >> config.mak ||
2593     echo "STRIP=echo ignoring strip" >> config.mak
2594
2595 echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2596 echo "CFLAGS=$CFLAGS" >> config.mak
2597 echo "ASFLAGS=$ASFLAGS" >> config.mak
2598 echo "CC_O=$CC_O" >> config.mak
2599 echo "LDFLAGS=$LDFLAGS" >> config.mak
2600 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2601 echo "SHFLAGS=$SHFLAGS" >> config.mak
2602 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2603 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2604 echo "PIC=-fPIC -DPIC" >> config.mak
2605 echo "BUILDSUF=$build_suffix" >> config.mak
2606 echo "FULLNAME=$FULLNAME" >> config.mak
2607 echo "LIBPREF=$LIBPREF" >> config.mak
2608 echo "LIBSUF=$LIBSUF" >> config.mak
2609 echo "LIBNAME=$LIBNAME" >> config.mak
2610 echo "SLIBPREF=$SLIBPREF" >> config.mak
2611 echo "SLIBSUF=$SLIBSUF" >> config.mak
2612 echo "EXESUF=$EXESUF" >> config.mak
2613 echo "EXTRA_VERSION=$extra_version" >> config.mak
2614 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2615 echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2616 echo "HOSTCC=$host_cc" >> config.mak
2617 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2618 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2619 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2620 echo "HOSTLIBS=$host_libs" >> config.mak
2621 echo "TARGET_EXEC=$target_exec" >> config.mak
2622 echo "TARGET_PATH=$target_path" >> config.mak
2623
2624 if enabled sdl; then
2625     echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2626     echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2627 fi
2628 if enabled texi2html; then
2629     echo "BUILD_DOC=yes" >> config.mak
2630 fi
2631
2632 get_version(){
2633     name=$1
2634     file=$source_path/$2
2635     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2636     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2637     lcname=$(tolower $name)
2638     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2639     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2640 }
2641
2642 get_version LIBSWSCALE  libswscale/swscale.h
2643 get_version LIBPOSTPROC libpostproc/postprocess.h
2644 get_version LIBAVCODEC  libavcodec/avcodec.h
2645 get_version LIBAVDEVICE libavdevice/avdevice.h
2646 get_version LIBAVFORMAT libavformat/avformat.h
2647 get_version LIBAVUTIL   libavutil/avutil.h
2648 get_version LIBAVFILTER libavfilter/avfilter.h
2649
2650 if enabled shared; then
2651     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2652     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2653     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2654     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2655     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2656     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2657     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2658     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2659 fi
2660 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2661 echo "EXTRALIBS=$extralibs" >> config.mak
2662
2663 echo "ARCH=$arch" >> config.mak
2664
2665 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2666 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2667 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2668                                       $CONFIG_EXTRA      \
2669                                       $DECODER_LIST      \
2670                                       $ENCODER_LIST      \
2671                                       $HWACCEL_LIST      \
2672                                       $PARSER_LIST       \
2673                                       $BSF_LIST          \
2674                                       $DEMUXER_LIST      \
2675                                       $MUXER_LIST        \
2676                                       $FILTER_LIST       \
2677                                       $PROTOCOL_LIST     \
2678                                       $INDEV_LIST        \
2679                                       $OUTDEV_LIST       \
2680
2681 echo "#define restrict $_restrict" >> $TMPH
2682
2683 if enabled small || disabled optimizations; then
2684     echo "#define av_always_inline"  >> $TMPH
2685 fi
2686
2687
2688 # Apparently it's not possible to portably echo a backslash.
2689 enabled asmalign_pot &&
2690     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2691     printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2692
2693 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2694
2695 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2696 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2697
2698 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2699 cmp -s $TMPH config.h &&
2700     echo "config.h is unchanged" ||
2701     mv -f $TMPH config.h
2702
2703 # build tree in object directory if source path is different from current one
2704 if enabled source_path_used; then
2705     DIRS="\
2706         doc               \
2707         libavcodec        \
2708         libavcodec/alpha  \
2709         libavcodec/arm    \
2710         libavcodec/bfin   \
2711         libavcodec/mlib   \
2712         libavcodec/ppc    \
2713         libavcodec/sh4    \
2714         libavcodec/sparc  \
2715         libavcodec/x86    \
2716         libavdevice       \
2717         libavfilter       \
2718         libavformat       \
2719         libavutil         \
2720         libpostproc       \
2721         libswscale        \
2722         libswscale/bfin   \
2723         libswscale/mlib   \
2724         libswscale/ppc    \
2725         libswscale/sparc  \
2726         libswscale/x86    \
2727         tests             \
2728         tools             \
2729         "
2730     FILES="\
2731         Makefile             \
2732         common.mak           \
2733         subdir.mak           \
2734         doc/texi2pod.pl      \
2735         libavcodec/Makefile  \
2736         libavdevice/Makefile \
2737         libavfilter/Makefile \
2738         libavformat/Makefile \
2739         libavutil/Makefile   \
2740         libpostproc/Makefile \
2741         libswscale/Makefile  \
2742         "
2743     for dir in $DIRS ; do
2744         mkdir -p $dir
2745     done
2746     for f in $FILES ; do
2747         $ln_s "$source_path/$f" $f
2748     done
2749 fi
2750
2751
2752 # build pkg-config files
2753
2754 pkgconfig_generate(){
2755 name=$1
2756 shortname=${name#lib}${build_suffix}
2757 comment=$2
2758 version=$3
2759 libs=$4
2760 requires=$5
2761 cat <<EOF > $name/$name.pc
2762 prefix=$prefix
2763 exec_prefix=\${prefix}
2764 libdir=$libdir
2765 includedir=$incdir
2766
2767 Name: $name
2768 Description: $comment
2769 Version: $version
2770 Requires: $(disabled shared && echo $requires)
2771 Requires.private: $(enabled shared && echo $requires)
2772 Conflicts:
2773 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2774 Libs.private: $(enabled shared && echo $libs)
2775 Cflags: -I\${includedir}
2776 EOF
2777 cat <<EOF > $name/$name-uninstalled.pc
2778 prefix=
2779 exec_prefix=
2780 libdir=\${pcfiledir}
2781 includedir=${source_path}
2782
2783 Name: $name
2784 Description: $comment
2785 Version: $version
2786 Requires: $requires
2787 Conflicts:
2788 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2789 Cflags: -I\${includedir}
2790 EOF
2791 }
2792
2793 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2794 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2795 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2796 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2797 enabled avfilter &&
2798     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2799 enabled postproc &&
2800     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2801 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"