configure

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