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     ldbrx
 929     libdc1394_1
 930     libdc1394_2
 931     llrint
 932     log2
 933     loongson
 934     lrint
 935     lrintf
 936     lzo1x_999_compress
 937     machine_ioctl_bt848_h
 938     machine_ioctl_meteor_h
 939     malloc_h
 940     memalign
 941     mkstemp
 942     pld
 943     posix_memalign
 944     round
 945     roundf
 946     sdl
 947     sdl_video_size
 948     setmode
 949     socklen_t
 950     soundcard_h
 951     poll_h
 952     sys_mman_h
 953     sys_resource_h
 954     sys_select_h
 955     sys_soundcard_h
 956     sys_videoio_h
 957     ten_operands
 958     termios_h
 959     threads
 960     truncf
 961     VirtualAlloc
 962     winsock2_h
 963     xform_asm
 964     yasm
 965 "
 966
 967 # options emitted with CONFIG_ prefix but not available on command line
 968 CONFIG_EXTRA="
 969     gplv3
 970     lgplv3
 971 "
 972
 973 CMDLINE_SELECT="
 974     $ARCH_EXT_LIST
 975     $CONFIG_LIST
 976     $THREADS_LIST
 977     cross_compile
 978     debug
 979     extra_warnings
 980     logging
 981     optimizations
 982     stripping
 983     yasm
 984 "
 985
 986 PATHS_LIST='
 987     bindir
 988     datadir
 989     incdir
 990     libdir
 991     mandir
 992     prefix
 993     shlibdir
 994 '
 995
 996 CMDLINE_SET="
 997     $PATHS_LIST
 998     arch
 999     as
1000     build_suffix
1001     cc
1002     cpu
1003     cross_prefix
1004     dep_cc
1005     extra_cflags
1006     extra_version
1007     host_cc
1008     host_cflags
1009     host_ldflags
1010     host_libs
1011     host_os
1012     ld
1013     logfile
1014     nm
1015     source_path
1016     sysinclude
1017     sysroot
1018     target_exec
1019     target_os
1020     target_path
1021 "
1022
1023 # code dependency declarations
1024
1025 # architecture extensions
1026 altivec_deps="ppc"
1027 amd3dnow_deps="mmx"
1028 amd3dnowext_deps="amd3dnow"
1029 armv5te_deps="arm"
1030 armv6_deps="arm"
1031 armv6t2_deps="arm"
1032 armvfp_deps="arm"
1033 iwmmxt_deps="arm"
1034 mmi_deps="mips"
1035 mmx_deps="x86"
1036 mmx2_deps="mmx"
1037 neon_deps="arm"
1038 ppc4xx_deps="ppc"
1039 sse_deps="mmx"
1040 ssse3_deps="sse"
1041 vis_deps="sparc"
1042
1043 need_memalign="altivec neon sse"
1044 inline_asm_deps="!tms470"
1045
1046 # decoders / encoders / hardware accelerators
1047 aac_decoder_select="fft mdct"
1048 ac3_decoder_select="fft mdct"
1049 atrac3_decoder_select="fft mdct"
1050 cavs_decoder_select="golomb"
1051 cook_decoder_select="fft mdct"
1052 cscd_decoder_suggest="zlib"
1053 dca_decoder_select="fft mdct"
1054 dnxhd_encoder_select="aandct"
1055 dxa_decoder_select="zlib"
1056 eac3_decoder_select="fft mdct"
1057 eatgq_decoder_select="aandct"
1058 eatqi_decoder_select="aandct"
1059 ffv1_decoder_select="golomb"
1060 flac_decoder_select="golomb"
1061 flac_encoder_select="golomb"
1062 flashsv_decoder_select="zlib"
1063 flashsv_encoder_select="zlib"
1064 flv_encoder_select="aandct"
1065 h261_encoder_select="aandct"
1066 h263_encoder_select="aandct"
1067 h263_vaapi_hwaccel_deps="va_va_h"
1068 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1069 h263p_encoder_select="aandct"
1070 h264_decoder_select="golomb"
1071 h264_vaapi_hwaccel_deps="va_va_h"
1072 h264_vaapi_hwaccel_select="vaapi"
1073 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1074 h264_vdpau_decoder_select="vdpau h264_decoder"
1075 imc_decoder_select="fft mdct"
1076 jpegls_decoder_select="golomb"
1077 jpegls_encoder_select="golomb"
1078 ljpeg_encoder_select="aandct"
1079 loco_decoder_select="golomb"
1080 mjpeg_encoder_select="aandct"
1081 mpeg1video_encoder_select="aandct"
1082 mpeg2video_encoder_select="aandct"
1083 mpeg4_encoder_select="aandct"
1084 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1085 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1086 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1087 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1088 mpeg2_vaapi_hwaccel_deps="va_va_h"
1089 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1090 mpeg4_vaapi_hwaccel_deps="va_va_h"
1091 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1092 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1093 msmpeg4v1_encoder_select="aandct"
1094 msmpeg4v2_encoder_select="aandct"
1095 msmpeg4v3_encoder_select="aandct"
1096 nellymoser_decoder_select="fft mdct"
1097 nellymoser_encoder_select="fft mdct"
1098 png_decoder_select="zlib"
1099 png_encoder_select="zlib"
1100 qdm2_decoder_select="fft mdct rdft"
1101 rv10_encoder_select="aandct"
1102 rv20_encoder_select="aandct"
1103 rv30_decoder_select="golomb"
1104 rv40_decoder_select="golomb"
1105 shorten_decoder_select="golomb"
1106 sonic_decoder_select="golomb"
1107 sonic_encoder_select="golomb"
1108 sonic_ls_encoder_select="golomb"
1109 svq3_decoder_select="golomb"
1110 svq3_decoder_suggest="zlib"
1111 tiff_decoder_suggest="zlib"
1112 tiff_encoder_suggest="zlib"
1113 tscc_decoder_select="zlib"
1114 vc1_vaapi_hwaccel_deps="va_va_h"
1115 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1116 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1117 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1118 vorbis_decoder_select="fft mdct"
1119 vorbis_encoder_select="fft mdct"
1120 vp6a_decoder_select="vp6_decoder"
1121 vp6f_decoder_select="vp6_decoder"
1122 wmav1_decoder_select="fft mdct"
1123 wmav1_encoder_select="fft mdct"
1124 wmav2_decoder_select="fft mdct"
1125 wmav2_encoder_select="fft mdct"
1126 wmv1_encoder_select="aandct"
1127 wmv2_encoder_select="aandct"
1128 wmv3_decoder_select="vc1_decoder"
1129 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1130 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1131 zlib_decoder_select="zlib"
1132 zlib_encoder_select="zlib"
1133 zmbv_decoder_select="zlib"
1134 zmbv_encoder_select="zlib"
1135
1136 # parsers
1137 h264_parser_select="golomb"
1138
1139 # external libraries
1140 libdirac_decoder_deps="libdirac !libschroedinger"
1141 libdirac_encoder_deps="libdirac"
1142 libfaac_encoder_deps="libfaac"
1143 libfaad_decoder_deps="libfaad"
1144 libfaadbin_decoder_extralibs='$ldl'
1145 libgsm_decoder_deps="libgsm"
1146 libgsm_encoder_deps="libgsm"
1147 libgsm_ms_decoder_deps="libgsm"
1148 libgsm_ms_encoder_deps="libgsm"
1149 libmp3lame_encoder_deps="libmp3lame"
1150 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1151 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1152 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1153 libopenjpeg_decoder_deps="libopenjpeg"
1154 libschroedinger_decoder_deps="libschroedinger"
1155 libschroedinger_encoder_deps="libschroedinger"
1156 libspeex_decoder_deps="libspeex"
1157 libtheora_encoder_deps="libtheora"
1158 libvorbis_encoder_deps="libvorbis"
1159 libx264_encoder_deps="libx264"
1160 libxvid_encoder_deps="libxvid"
1161
1162 # demuxers / muxers
1163 ac3_demuxer_deps="ac3_parser"
1164 asf_stream_muxer_select="asf_muxer"
1165 avisynth_demuxer_deps="avisynth"
1166 dirac_demuxer_deps="dirac_parser"
1167 ipod_muxer_select="mov_muxer"
1168 libnut_demuxer_deps="libnut"
1169 libnut_muxer_deps="libnut"
1170 matroska_audio_muxer_select="matroska_muxer"
1171 matroska_demuxer_suggest="zlib bzlib"
1172 mov_demuxer_suggest="zlib"
1173 mp3_demuxer_deps="mpegaudio_parser"
1174 mp4_muxer_select="mov_muxer"
1175 mpegtsraw_demuxer_select="mpegts_demuxer"
1176 mxf_d10_muxer_select="mxf_muxer"
1177 psp_muxer_select="mov_muxer"
1178 redir_demuxer_deps="network"
1179 rtp_muxer_deps="network rtp_protocol"
1180 rtsp_demuxer_deps="sdp_demuxer"
1181 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1182 tg2_muxer_select="mov_muxer"
1183 tgp_muxer_select="mov_muxer"
1184
1185 # indevs / outdevs
1186 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1187 alsa_indev_extralibs="-lasound"
1188 alsa_outdev_deps="alsa_asoundlib_h"
1189 alsa_outdev_extralibs="-lasound"
1190 audio_beos_indev_deps="audio_beos"
1191 audio_beos_indev_extralibs="-lmedia -lbe"
1192 audio_beos_outdev_deps="audio_beos"
1193 audio_beos_outdev_extralibs="-lmedia -lbe"
1194 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1195 dv1394_indev_deps="dv1394 dv_demuxer"
1196 jack_indev_deps="jack_jack_h"
1197 jack_indev_extralibs="-ljack"
1198 libdc1394_indev_deps="libdc1394"
1199 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1200 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1201 v4l_indev_deps="linux_videodev_h"
1202 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1203 vfwcap_indev_deps="capCreateCaptureWindow"
1204 vfwcap_indev_extralibs="-lvfw32"
1205 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1206 x11_grab_device_indev_extralibs="-lX11 -lXext"
1207
1208 # protocols
1209 gopher_protocol_deps="network"
1210 http_protocol_deps="network"
1211 rtp_protocol_deps="udp_protocol"
1212 tcp_protocol_deps="network"
1213 udp_protocol_deps="network"
1214
1215 # filters
1216 movie_filter_deps="avfilter_lavf"
1217
1218 # programs
1219 ffplay_deps="sdl"
1220 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1221 ffserver_extralibs='$ldl'
1222
1223
1224 # default parameters
1225
1226 logfile="config.err"
1227
1228 # installation paths
1229 prefix_default="/usr/local"
1230 bindir_default='${prefix}/bin'
1231 datadir_default='${prefix}/share/ffmpeg'
1232 incdir_default='${prefix}/include'
1233 libdir_default='${prefix}/lib'
1234 mandir_default='${prefix}/share/man'
1235 shlibdir_default="$libdir_default"
1236
1237 # toolchain
1238 ar="ar"
1239 cc_default="gcc"
1240 host_cc_default="gcc"
1241 ln_s="ln -sf"
1242 nm_default="nm"
1243 objformat="elf"
1244 ranlib="ranlib"
1245 strip="strip"
1246 yasmexe="yasm"
1247
1248 # machine
1249 arch=$(uname -m)
1250 cpu="generic"
1251
1252 # OS
1253 target_os=$(tolower $(uname -s))
1254 host_os=$target_os
1255
1256 # configurable options
1257 enable debug
1258 enable fastdiv
1259 enable ffmpeg
1260 enable ffplay
1261 enable ffserver
1262 enable ipv6
1263 enable mpegaudio_hp
1264 enable network
1265 enable optimizations
1266 enable protocols
1267 enable static
1268 enable stripping
1269 enable swscale_alpha
1270
1271 # build settings
1272 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1273 FFSERVERLDFLAGS=-Wl,-E
1274 LIBPREF="lib"
1275 LIBSUF=".a"
1276 FULLNAME='$(NAME)$(BUILDSUF)'
1277 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1278 SLIBPREF="lib"
1279 SLIBSUF=".so"
1280 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1281 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1282 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1283 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1284
1285 CC_O='-o $@'
1286
1287 host_cflags='-O3 -g -Wall'
1288 host_libs='-lm'
1289
1290 target_path='.'
1291
1292 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1293 # full relative path for objects in subdirectories for non-recursive Make.
1294 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1295 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1296
1297 # find source path
1298 source_path="$(dirname "$0")"
1299 enable source_path_used
1300 if test -f configure; then
1301     source_path="$(pwd)"
1302     disable source_path_used
1303 else
1304     source_path="$(cd "$source_path"; pwd)"
1305     echo "$source_path" | grep -q '[[:blank:]]' &&
1306         die "Out of tree builds are impossible with whitespace in source path."
1307     test -e "$source_path/config.h" &&
1308         die "Out of tree builds are impossible with config.h in source dir."
1309 fi
1310
1311 for v in "$@"; do
1312     r=${v#*=}
1313     l=${v%"$r"}
1314     r=$(sh_quote "$r")
1315     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1316 done
1317
1318 find_things(){
1319     thing=$1
1320     pattern=$2
1321     file=$source_path/$3
1322     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1323 }
1324
1325 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1326 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1327 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1328 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1329 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1330 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1331 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1332 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1333 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1334 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1335 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1336
1337 enable $ARCH_EXT_LIST \
1338        $DECODER_LIST \
1339        $ENCODER_LIST \
1340        $HWACCEL_LIST \
1341        $PARSER_LIST \
1342        $BSF_LIST \
1343        $DEMUXER_LIST \
1344        $MUXER_LIST \
1345        $FILTER_LIST \
1346        $PROTOCOL_LIST \
1347        $INDEV_LIST \
1348        $OUTDEV_LIST \
1349
1350 die_unknown(){
1351     echo "Unknown option \"$1\"."
1352     echo "See $0 --help for available options."
1353     exit 1
1354 }
1355
1356 show_list() {
1357     suffix=_$1
1358     shift
1359     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1360     exit 0
1361 }
1362
1363 for opt do
1364     optval="${opt#*=}"
1365     case "$opt" in
1366     --extra-ldflags=*) add_ldflags $optval
1367     ;;
1368     --extra-libs=*) add_extralibs $optval
1369     ;;
1370     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1371     ;;
1372     --enable-debug=*) debuglevel="$optval"
1373     ;;
1374     --enable-*=*|--disable-*=*)
1375     eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1376     case "$thing" in
1377         encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1378         *) die_unknown "$opt" ;;
1379     esac
1380     ;;
1381     --enable-?*|--disable-?*)
1382     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1383     if is_in $option $COMPONENT_LIST; then
1384         test $action = disable && action=unset
1385         eval $action \$$(toupper ${option%s})_LIST
1386     elif is_in $option $CMDLINE_SELECT; then
1387         $action $option
1388     else
1389         die_unknown $opt
1390     fi
1391     ;;
1392     --list-*)
1393         NAME="${opt#--list-}"
1394         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1395         NAME=${NAME%s}
1396         eval show_list $NAME \$$(toupper $NAME)_LIST
1397     ;;
1398     --help|-h) show_help
1399     ;;
1400     *)
1401     optname="${opt%%=*}"
1402     optname="${optname#--}"
1403     optname=$(echo "$optname" | sed 's/-/_/g')
1404     is_in $optname $CMDLINE_SET || die_unknown $opt
1405     eval $optname='$optval'
1406     ;;
1407     esac
1408 done
1409
1410 disabled logging && logfile=/dev/null
1411
1412 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1413 set >> $logfile
1414
1415 test -n "$cross_prefix" && enable cross_compile
1416
1417 ar="${cross_prefix}${ar}"
1418 cc_default="${cross_prefix}${cc_default}"
1419 nm_default="${cross_prefix}${nm_default}"
1420 ranlib="${cross_prefix}${ranlib}"
1421 strip="${cross_prefix}${strip}"
1422
1423 sysinclude_default="${sysroot}/usr/include"
1424
1425 set_default cc nm sysinclude
1426 enabled cross_compile || host_cc_default=$cc
1427 set_default host_cc
1428
1429 exesuf() {
1430     case $1 in
1431         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1432     esac
1433 }
1434
1435 EXESUF=$(exesuf $target_os)
1436 HOSTEXESUF=$(exesuf $host_os)
1437
1438 # set temporary file name
1439 : ${TMPDIR:=$TEMPDIR}
1440 : ${TMPDIR:=$TMP}
1441 : ${TMPDIR:=/tmp}
1442
1443 if ! check_cmd type mktemp; then
1444     # simple replacement for missing mktemp
1445     # NOT SAFE FOR GENERAL USE
1446     mktemp(){
1447         echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1448     }
1449 fi
1450
1451 tmpfile(){
1452     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1453         (set -C; exec > $tmp) 2>/dev/null ||
1454         die "Unable to create temoporary file in $TMPDIR."
1455     append TMPFILES $tmp
1456     eval $1=$tmp
1457 }
1458
1459 trap 'rm -f -- $TMPFILES' EXIT
1460 trap exit HUP INT TERM
1461
1462 tmpfile TMPC  .c
1463 tmpfile TMPE  $EXESUF
1464 tmpfile TMPH  .h
1465 tmpfile TMPO  .o
1466 tmpfile TMPS  .S
1467 tmpfile TMPSH .sh
1468
1469 unset -f mktemp
1470
1471 # make sure we can execute files in $TMPDIR
1472 cat > $TMPSH 2>> $logfile <<EOF
1473 #! /bin/sh
1474 EOF
1475 chmod +x $TMPSH >> $logfile 2>&1
1476 if ! $TMPSH >> $logfile 2>&1; then
1477     cat <<EOF
1478 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1479 variable to another directory and make sure that it is not mounted noexec.
1480 EOF
1481     die "Sanity test failed."
1482 fi
1483
1484 filter_cflags=echo
1485 filter_cppflags=echo
1486 filter_asflags=echo
1487
1488 if   $cc --version 2>/dev/null | grep -qi gcc; then
1489     cc_type=gcc
1490 elif $cc --version 2>/dev/null | grep -q Intel; then
1491     cc_type=icc
1492 elif $cc -v 2>&1 | grep -q xlc; then
1493     cc_type=xlc
1494 elif $cc -V 2>/dev/null | grep -q Compaq; then
1495     cc_type=ccc
1496     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1497     debuglevel=3
1498     add_ldflags -Wl,-z,now # calls to libots crash without this
1499 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1500     test -d "$sysroot" || die "No valid sysroot specified."
1501     cc_type=armcc
1502     armcc_conf="$PWD/armcc.conf"
1503     $cc --arm_linux_configure                 \
1504         --arm_linux_config_file="$armcc_conf" \
1505         --configure_sysroot="$sysroot"        \
1506         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1507         die "Error creating armcc configuration file."
1508     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1509     as_default="${cross_prefix}gcc"
1510 elif $cc -version 2>/dev/null | grep -q TMS470; then
1511     cc_type=tms470
1512     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1513     CC_O='-fr=$(@D)'
1514     as_default="${cross_prefix}gcc"
1515     ld_default="${cross_prefix}gcc"
1516     dep_cc_default="${cross_prefix}gcc"
1517     TMPO=$(basename $TMPC .c).o
1518     append TMPFILES $TMPO
1519     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1520     DEPFLAGS='$(CPPFLAGS) -MM'
1521     filter_cflags=tms470_flags
1522     tms470_flags(){
1523         for flag; do
1524             case $flag in
1525                 -march=*|-mcpu=*)
1526                     case "${flag#*=}" in
1527                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
1528                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
1529                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
1530                         armv6*|arm11*)          echo -mv=6   ;;
1531                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1532                                                 echo -mv=5e  ;;
1533                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1534                     esac
1535                     ;;
1536                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1537                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
1538                 -mfpu=softvfp)  echo --float_support=vfplib       ;;
1539                 -Os)            echo -O3 -mf=2                    ;;
1540                 -O[0-3])        echo $flag -mf=5                  ;;
1541                 -g)             echo -g -mn                       ;;
1542             esac
1543         done
1544     }
1545 fi
1546
1547 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1548
1549 : ${as_default:=$cc}
1550 : ${dep_cc_default:=$cc}
1551 : ${ld_default:=$cc}
1552 set_default as dep_cc ld
1553
1554 add_cflags $extra_cflags
1555 add_asflags $extra_cflags
1556
1557 if test -n "$sysroot"; then
1558     case "$cc_type" in
1559         gcc)
1560             add_cppflags --sysroot="$sysroot"
1561             add_ldflags --sysroot="$sysroot"
1562         ;;
1563         tms470)
1564             add_cppflags -I"$sysinclude"
1565             add_ldflags  --sysroot="$sysroot"
1566         ;;
1567     esac
1568 fi
1569
1570 # Add processor-specific flags
1571 case $cpu in
1572     601|ppc601|PowerPC601)
1573         cpuflags="-mcpu=601"
1574     ;;
1575     603*|ppc603*|PowerPC603*)
1576         cpuflags="-mcpu=603"
1577     ;;
1578     604*|ppc604*|PowerPC604*)
1579         cpuflags="-mcpu=604"
1580     ;;
1581     G3|g3|75*|ppc75*|PowerPC75*)
1582         cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1583     ;;
1584     G4|g4|745*|ppc745*|PowerPC745*)
1585         cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1586     ;;
1587     74*|ppc74*|PowerPC74*)
1588         cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1589     ;;
1590     G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1591         cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1592     ;;
1593     Cell|CELL|cell)
1594         cpuflags="-mcpu=cell"
1595         enable ldbrx
1596     ;;
1597     # targets that do NOT support conditional mov (cmov)
1598     i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1599         cpuflags="-march=$cpu"
1600         disable cmov
1601     ;;
1602     # targets that do support conditional mov (cmov)
1603     i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1604         cpuflags="-march=$cpu"
1605         enable cmov
1606         enable fast_cmov
1607     ;;
1608     # targets that do support conditional mov but on which it's slow
1609     pentium4|pentium4m|prescott|nocona)
1610         cpuflags="-march=$cpu"
1611         enable cmov
1612         disable fast_cmov
1613     ;;
1614     sparc64)
1615         cpuflags="-mcpu=v9"
1616     ;;
1617     arm11*|cortex*)
1618         cpuflags="-mcpu=$cpu"
1619         enable fast_unaligned
1620     ;;
1621     armv[67]*)
1622         cpuflags="-march=$cpu"
1623         enable fast_unaligned
1624     ;;
1625     armv*)
1626         cpuflags="-march=$cpu"
1627     ;;
1628     arm*)
1629         cpuflags="-mcpu=$cpu"
1630     ;;
1631     ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1632         enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1633     ;;
1634     bf*)
1635         cpuflags="-mcpu=$cpu"
1636     ;;
1637     mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1638         cpuflags="-march=$cpu"
1639     ;;
1640     generic)
1641     ;;
1642     *)
1643         echo "WARNING: Unknown CPU \"$cpu\", ignored."
1644     ;;
1645 esac
1646
1647 add_cflags $cpuflags
1648 add_asflags $cpuflags
1649
1650 # compiler sanity check
1651 check_exec <<EOF
1652 int main(void){ return 0; }
1653 EOF
1654 if test "$?" != 0; then
1655     echo "$cc is unable to create an executable file."
1656     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1657         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1658         echo "Only do this if you know what cross compiling means."
1659     fi
1660     die "C compiler test failed."
1661 fi
1662
1663 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1664 check_cflags -std=c99
1665 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1666 #include <stdlib.h>
1667 EOF
1668 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1669 #include <stdlib.h>
1670 EOF
1671
1672 case "$arch" in
1673     alpha)
1674         arch="alpha"
1675         enable fast_64bit
1676         check_cflags -mieee
1677     ;;
1678     arm|armv[4567]*l)
1679         arch="arm"
1680     ;;
1681     avr32)
1682     ;;
1683     bfin)
1684         arch="bfin"
1685     ;;
1686     ia64)
1687         arch="ia64"
1688         enable fast_64bit
1689     ;;
1690     m68k)
1691         arch="m68k"
1692     ;;
1693     mips|mipsel|IP*)
1694         arch="mips"
1695     ;;
1696     mips64)
1697         arch="mips"
1698         subarch="mips64"
1699         enable fast_64bit
1700     ;;
1701     parisc|hppa)
1702         arch="parisc"
1703     ;;
1704     parisc64|hppa64)
1705         arch="parisc"
1706         enable fast_64bit
1707     ;;
1708     "Power Macintosh"|ppc|powerpc)
1709         arch="ppc"
1710         enable fast_unaligned
1711     ;;
1712     ppc64)
1713         arch="ppc"
1714         subarch="ppc64"
1715         enable fast_64bit
1716         enable fast_unaligned
1717     ;;
1718     s390|s390x)
1719         arch="s390"
1720     ;;
1721     sh4|sh)
1722         arch="sh4"
1723     ;;
1724     sparc)
1725         arch="sparc"
1726     ;;
1727     sun4u|sparc64)
1728         arch="sparc"
1729         subarch="sparc64"
1730         enable fast_64bit
1731     ;;
1732     i386|i486|i586|i686|i86pc|BePC)
1733         arch="x86"
1734         subarch="x86_32"
1735         enable fast_unaligned
1736     ;;
1737     x86_64|amd64)
1738         arch="x86"
1739         subarch="x86_32"
1740         enable cmov
1741         enable fast_cmov
1742         enable fast_unaligned
1743         check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1744         int test[sizeof(char*) - 7];
1745 EOF
1746     ;;
1747     *)
1748         arch="unknown"
1749     ;;
1750 esac
1751
1752 enable $arch $subarch
1753
1754 # OS specific
1755 case $target_os in
1756     beos|haiku|zeta)
1757         prefix_default="$HOME/config"
1758         # helps building libavcodec
1759         add_cppflags -DPIC
1760         add_cflags -fomit-frame-pointer
1761         # 3 gcc releases known for BeOS, each with ugly bugs
1762         gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1763         case "$gcc_version" in
1764           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1765             disable mmx
1766             ;;
1767           *20010315*) echo "BeBits gcc"
1768             add_cflags -fno-expensive-optimizations
1769             ;;
1770         esac
1771         SHFLAGS=-nostart
1772         # enable BeOS things
1773         enable audio_beos
1774         # no need for libm, but the inet stuff
1775         # Check for BONE
1776         # XXX: actually should check for NOT net_server
1777         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1778             network_extralibs="-lbind -lsocket"
1779         else
1780             enable beos_netserver
1781             network_extralibs="-lnet"
1782         fi ;;
1783     sunos)
1784         FFSERVERLDFLAGS=""
1785         SHFLAGS='-shared -Wl,-h,$$(@F)'
1786         network_extralibs="-lsocket -lnsl"
1787         add_cppflags -D__EXTENSIONS__
1788         ;;
1789     netbsd)
1790         oss_indev_extralibs="-lossaudio"
1791         oss_outdev_extralibs="-lossaudio"
1792         ;;
1793     openbsd)
1794         enable malloc_aligned
1795         LIBOBJFLAGS='$(PIC)'
1796         SHFLAGS='-shared'
1797         oss_indev_extralibs="-lossaudio"
1798         oss_outdev_extralibs="-lossaudio"
1799         ;;
1800     freebsd|dragonfly)
1801         enable malloc_aligned
1802         ;;
1803     bsd/os)
1804         osextralibs="-lpoll -lgnugetopt"
1805         strip="strip -d"
1806         ;;
1807     darwin)
1808         enable malloc_aligned
1809         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1810         strip="strip -x"
1811         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1812         SLIBSUF=".dylib"
1813         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1814         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1815         FFSERVERLDFLAGS=-Wl,-bind_at_load
1816         objformat="macho"
1817         enabled x86_64 && objformat="macho64"
1818         ;;
1819     mingw32*)
1820         target_os=mingw32
1821         LIBTARGET=i386
1822         if enabled x86_64; then
1823             enable malloc_aligned
1824             LIBTARGET=x64
1825         elif enabled arm; then
1826             LIBTARGET=arm
1827         fi
1828         shlibdir_default="$bindir_default"
1829         disable ffserver
1830         SLIBPREF=""
1831         SLIBSUF=".dll"
1832         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1833         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1834         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1835         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1836             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1837             install -d "$(LIBDIR)"; \
1838             install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1839         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1840         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1841         objformat="win32"
1842         enable dos_paths
1843         check_cflags -fno-common
1844         if ! enabled x86_64; then
1845             check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1846                 die "ERROR: MinGW runtime version must be >= 3.15."
1847             enabled_any avisynth vfwcap_indev &&
1848                 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1849                   die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1850             fi
1851         ;;
1852     cygwin*)
1853         target_os=cygwin
1854         shlibdir_default="$bindir_default"
1855         SLIBPREF="cyg"
1856         SLIBSUF=".dll"
1857         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1858         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1859         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1860         objformat="win32"
1861         enable dos_paths
1862         check_cflags -fno-common
1863         ;;
1864     *-dos|freedos|opendos)
1865         disable ffplay ffserver
1866         disable $INDEV_LIST $OUTDEV_LIST
1867         network_extralibs="-lsocket"
1868         objformat="coff"
1869         enable dos_paths
1870         ;;
1871     linux)
1872         enable dv1394
1873         ;;
1874     irix*)
1875         target_os=irix
1876         ranlib="echo ignoring ranlib"
1877         ;;
1878     os/2*)
1879         strip="lxlite"
1880         ln_s="cp -f"
1881         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1882         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1883         FFSERVERLDFLAGS=""
1884         LIBSUF="_s.a"
1885         SLIBPREF=""
1886         SLIBSUF=".dll"
1887         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1888         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1889         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1890           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1891           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1892           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1893           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1894           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1895         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1896           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1897         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1898         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1899         enable dos_paths
1900         ;;
1901     gnu/kfreebsd)
1902         ;;
1903     gnu)
1904         ;;
1905
1906     *)
1907         die "Unknown OS '$target_os'."
1908         ;;
1909 esac
1910
1911 set_default $PATHS_LIST
1912
1913 add_extralibs $osextralibs
1914
1915 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1916 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1917
1918 # we need to build at least one lib type
1919 if ! enabled_any static shared; then
1920     cat <<EOF
1921 At least one library type must be built.
1922 Specify --enable-static to build the static libraries or --enable-shared to
1923 build the shared libraries as well. To only build the shared libraries specify
1924 --disable-static in addition to --enable-shared.
1925 EOF
1926     exit 1;
1927 fi
1928
1929 disabled static && LIBNAME=""
1930
1931 if enabled_any libfaad libfaadbin ; then
1932     if check_header faad.h; then
1933         check_cc <<EOF
1934 #include <faad.h>
1935 #ifndef FAAD2_VERSION
1936 ok faad1
1937 #endif
1938 int main(void) { return 0; }
1939 EOF
1940         test $? = 0 && enable libfaad2
1941     else
1942         die "FAAD test failed."
1943     fi
1944 fi
1945
1946
1947 die_license_disabled() {
1948     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1949 }
1950
1951 die_license_disabled gpl libfaad2
1952 die_license_disabled gpl libx264
1953 die_license_disabled gpl libxvid
1954 die_license_disabled gpl postproc
1955 die_license_disabled gpl x11grab
1956
1957 die_license_disabled nonfree libfaac
1958
1959 die_license_disabled version3 libopencore_amrnb
1960 die_license_disabled version3 libopencore_amrwb
1961
1962 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1963
1964 check_deps $ARCH_EXT_LIST
1965
1966 #Darwin CC versions
1967 if test $target_os = darwin; then
1968     if enabled xlc; then
1969         add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1970     else
1971         add_cflags -pipe
1972         check_cflags -force_cpusubtype_ALL
1973         check_cflags -Wno-sign-compare
1974         enabled shared || check_cflags -mdynamic-no-pic
1975     fi
1976 fi
1977
1978 disabled optimizations || check_cflags -fomit-frame-pointer
1979
1980 check_cc <<EOF || die "Symbol mangling check failed."
1981 int ff_extern;
1982 EOF
1983 sym=$($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 if enabled x86; then
1991     # check whether EBP is available on x86
1992     # As 'i' is stored on the stack, this program will crash
1993     # if the base pointer is used to access it because the
1994     # base pointer is cleared in the inline assembly code.
1995     check_exec_crash <<EOF && enable ebp_available
1996     volatile int i=0;
1997     __asm__ volatile (
1998         "xorl %%ebp, %%ebp"
1999     ::: "%ebp");
2000     return i;
2001 EOF
2002
2003     # check wether EBX is available on x86
2004     check_asm ebx_available '"":::"%ebx"'
2005
2006     # check whether more than 10 operands are supported
2007     check_cc <<EOF && enable ten_operands
2008 int main(void) {
2009     int x=0;
2010     __asm__ volatile(
2011         ""
2012         :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2013     );
2014     return 0;
2015 }
2016 EOF
2017
2018     # check whether binutils is new enough to compile SSSE3/MMX2
2019     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2020     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2021
2022     check_asm bswap '"bswap %%eax" ::: "%eax"'
2023
2024     YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2025     enabled     x86_64        && append YASMFLAGS "-m amd64"
2026     enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
2027     case "$objformat" in
2028         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2029         macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
2030         *)                    append YASMFLAGS "-DPREFIX"  ;;
2031     esac
2032     disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2033 fi
2034
2035 # check for assembler specific support
2036
2037 enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
2038
2039 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
2040 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
2041 enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2042
2043 # check for SIMD availability
2044
2045 # AltiVec flags: The FSF version of GCC differs from the Apple version
2046 if enabled altivec; then
2047     check_cflags -maltivec -mabi=altivec &&
2048         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2049         check_cflags -faltivec
2050
2051     # check if our compiler supports Motorola AltiVec C API
2052     check_cc <<EOF || disable altivec
2053 $inc_altivec_h
2054 int main(void) {
2055     vector signed int v1, v2, v3;
2056     v1 = vec_add(v2,v3);
2057     return 0;
2058 }
2059 EOF
2060
2061     # check if our compiler supports braces for vector declarations
2062     check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2063 $inc_altivec_h
2064 int main (void) { (vector int) {1}; return 0; }
2065 EOF
2066 fi
2067
2068 # We have to check if pld is a nop and disable it.
2069 enabled arm     && check_asm pld     '"pld [r0]"'
2070 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2071 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2072 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2073 enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2074 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2075 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2076 enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2077 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
2078
2079 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2080
2081 check_cc <<EOF || die "endian test failed"
2082 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2083 EOF
2084 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2085
2086 if check_func dlopen; then
2087     ldl=
2088 elif check_func dlopen -ldl; then
2089     ldl=-ldl
2090 fi
2091
2092 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2093 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2094
2095 check_func  fork
2096 check_func  gethrtime
2097 check_func  getrusage
2098 check_func  inet_aton $network_extralibs
2099 check_func  memalign
2100 check_func  mkstemp
2101 check_func  posix_memalign
2102 check_func_headers io.h setmode
2103 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2104 check_func_headers windows.h GetProcessTimes
2105 check_func_headers windows.h VirtualAlloc
2106
2107 check_header conio.h
2108 check_header dlfcn.h
2109 check_header malloc.h
2110 check_header poll.h
2111 check_header sys/mman.h
2112 check_header sys/resource.h
2113 check_header sys/select.h
2114 check_header termios.h
2115 check_header vdpau/vdpau.h
2116 check_header vdpau/vdpau_x11.h
2117 check_header X11/extensions/XvMClib.h
2118
2119 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2120      enabled_any $need_memalign ; then
2121     die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2122 fi
2123
2124 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2125 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2126
2127 # check for some common methods of building with pthread support
2128 # do this before the optional library checks as some of them require pthreads
2129 if enabled pthreads; then
2130     if check_func pthread_create; then
2131         :
2132     elif check_func pthread_create -pthread; then
2133         add_cflags -pthread
2134         add_extralibs -pthread
2135     elif check_func pthread_create -pthreads; then
2136         add_cflags -pthreads
2137         add_extralibs -pthreads
2138     elif check_func pthread_create -lpthreadGC2; then
2139         add_extralibs -lpthreadGC2
2140     elif ! check_lib pthread.h pthread_create -lpthread; then
2141         die "ERROR: can't find pthreads library"
2142     fi
2143 fi
2144
2145 for thread in $THREADS_LIST; do
2146     if enabled $thread; then
2147         test -n "$thread_type" &&
2148             die "ERROR: Only one thread type must be selected." ||
2149             thread_type="$thread"
2150     fi
2151 done
2152
2153 check_lib math.h sin -lm
2154 check_lib va/va.h vaInitialize -lva
2155
2156 check_func llrint
2157 check_func log2
2158 check_func lrint
2159 check_func lrintf
2160 check_func round
2161 check_func roundf
2162 check_func truncf
2163
2164 # these are off by default, so fail if requested and not available
2165 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2166 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2167                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2168                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2169 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2170 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2171 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2172 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2173 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2174 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2175 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2176 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2177 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2178                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2179 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2180 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2181 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2182 enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2183                       { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2184                         die "ERROR: libx264 version must be >= 0.65."; }
2185 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2186 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2187
2188 # libdc1394 check
2189 if enabled libdc1394; then
2190     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2191         enable libdc1394_2; } ||
2192     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2193         enable libdc1394_1; } ||
2194     die "ERROR: No version of libdc1394 found "
2195 fi
2196
2197
2198 _restrict=
2199 for restrict_keyword in restrict __restrict__ __restrict; do
2200     check_cc <<EOF && _restrict=$restrict_keyword && break
2201 void foo(char * $restrict_keyword p);
2202 EOF
2203 done
2204
2205 check_cc <<EOF && enable attribute_packed
2206 struct { int x; } __attribute__((packed)) x;
2207 EOF
2208
2209 disable sdl_too_old
2210 disable sdl
2211 SDL_CONFIG="${cross_prefix}sdl-config"
2212 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2213     sdl_cflags=$("${SDL_CONFIG}" --cflags)
2214     temp_cflags $sdl_cflags
2215     temp_extralibs $("${SDL_CONFIG}" --libs)
2216     if check_lib2 SDL.h SDL_Init; then
2217         _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2218         if test "$_sdlversion" -lt 121 ; then
2219             enable sdl_too_old
2220         else
2221             enable sdl
2222             check_cc $sdl_cflags <<EOF && enable sdl_video_size
2223 #include <SDL.h>
2224 int main(int argc, char **argv){
2225     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2226     int w = vi->current_w;
2227     return 0;
2228 }
2229 EOF
2230         fi
2231     fi
2232     restore_flags
2233 fi
2234
2235 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2236
2237 if enabled network; then
2238     check_type "sys/types.h sys/socket.h" socklen_t
2239     # Prefer arpa/inet.h over winsock2
2240     if check_header arpa/inet.h ; then
2241         check_func closesocket
2242     elif check_header winsock2.h ; then
2243         check_func_headers winsock2.h closesocket -lws2 && \
2244             network_extralibs="-lws2" || \
2245         { check_func_headers winsock2.h closesocket -lws2_32 && \
2246             network_extralibs="-lws2_32"; }
2247         check_type ws2tcpip.h socklen_t
2248     else
2249         disable network
2250     fi
2251 fi
2252
2253 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2254 #include <sys/types.h>
2255 #include <sys/socket.h>
2256 #include <netinet/in.h>
2257 #include <netdb.h>
2258 int main(void) {
2259     struct sockaddr_storage saddr;
2260     struct ipv6_mreq mreq6;
2261     getaddrinfo(0,0,0,0);
2262     getnameinfo(0,0,0,0,0,0,0);
2263     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2264 }
2265 EOF
2266
2267 check_header linux/videodev.h
2268 check_header linux/videodev2.h
2269 check_header sys/videoio.h
2270
2271 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2272
2273 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2274 { check_header dev/bktr/ioctl_meteor.h &&
2275   check_header dev/bktr/ioctl_bt848.h; } ||
2276 { check_header machine/ioctl_meteor.h &&
2277   check_header machine/ioctl_bt848.h; } ||
2278 { check_header dev/video/meteor/ioctl_meteor.h &&
2279   check_header dev/video/bktr/ioctl_bt848.h; } ||
2280 check_header dev/ic/bt8xx.h
2281
2282 check_header sys/soundcard.h
2283 check_header soundcard.h
2284
2285 enabled alsa_indev || enabled alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2286
2287 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2288
2289 enabled x11grab                         &&
2290 check_header X11/Xlib.h                 &&
2291 check_header X11/extensions/XShm.h      &&
2292 check_func XOpenDisplay -lX11           &&
2293 check_func XShmCreateImage -lX11 -lXext
2294
2295 enabled debug && add_cflags -g"$debuglevel"
2296
2297 # add some useful compiler flags if supported
2298 check_cflags -Wdeclaration-after-statement
2299 check_cflags -Wall
2300 check_cflags -Wno-switch
2301 check_cflags -Wdisabled-optimization
2302 check_cflags -Wpointer-arith
2303 check_cflags -Wredundant-decls
2304 check_cflags -Wno-pointer-sign
2305 check_cflags -Wcast-qual
2306 check_cflags -Wwrite-strings
2307 check_cflags -Wtype-limits
2308 check_cflags -Wundef
2309 enabled extra_warnings && check_cflags -Winline
2310
2311 # add some linker flags
2312 check_ldflags -Wl,--warn-common
2313 check_ldflags -Wl,--as-needed
2314 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'
2315 check_ldflags -Wl,-Bsymbolic
2316
2317 if enabled small; then
2318     check_cflags -Os            # not all compilers support -Os
2319     optimizations="small"
2320 elif enabled optimizations; then
2321     if enabled xlc; then
2322         add_cflags  -O5
2323         add_ldflags -O5
2324     elif enabled ccc; then
2325         add_cflags -fast
2326     else
2327         add_cflags -O3
2328     fi
2329 fi
2330 check_cflags -fno-math-errno
2331 check_cflags -fno-signed-zeros
2332
2333 if enabled icc; then
2334     # Just warnings, no remarks
2335     check_cflags -w1
2336     # -wd: Disable following warnings
2337     # 144, 167, 556: -Wno-pointer-sign
2338     # 10006: ignoring unknown option -fno-signed-zeros
2339     # 10156: ignoring option '-W'; no argument required
2340     check_cflags -wd144,167,556,10006,10156
2341     # 11030: Warning unknown option --as-needed
2342     # 10156: ignoring option '-export'; no argument required
2343     check_ldflags -wd10156,11030
2344     # Allow to compile with optimizations
2345     check_ldflags -march=$cpu
2346     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2347     enable ebp_available
2348 elif enabled ccc; then
2349     # disable some annoying warnings
2350     add_cflags -msg_disable cvtu32to64
2351     add_cflags -msg_disable embedcomment
2352     add_cflags -msg_disable needconstext
2353     add_cflags -msg_disable nomainieee
2354     add_cflags -msg_disable ptrmismatch1
2355     add_cflags -msg_disable unreachcode
2356 elif enabled gcc; then
2357     check_cflags -fno-tree-vectorize
2358 fi
2359
2360 # PIC flags for shared library objects where they are needed
2361 if enabled shared; then
2362     # LIBOBJFLAGS may have already been set in the OS configuration
2363     if test -z "$LIBOBJFLAGS" ; then
2364         case "${subarch-$arch}" in
2365             x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2366         esac
2367     fi
2368 fi
2369
2370 if enabled gprof; then
2371     add_cflags  -p
2372     add_ldflags -p
2373 fi
2374
2375 # Find out if the .align argument is a power of two or not.
2376 check_asm asmalign_pot '".align 3"'
2377
2378 enabled_any $DECODER_LIST      && enable decoders
2379 enabled_any $ENCODER_LIST      && enable encoders
2380 enabled_any $HWACCEL_LIST      && enable hwaccels
2381 enabled_any $BSF_LIST          && enable bsfs
2382 enabled_any $DEMUXER_LIST      && enable demuxers
2383 enabled_any $MUXER_LIST        && enable muxers
2384 enabled_any $FILTER_LIST       && enable filters
2385 enabled_any $INDEV_LIST        && enable indevs
2386 enabled_any $OUTDEV_LIST       && enable outdevs
2387 enabled_any $PROTOCOL_LIST     && enable protocols
2388
2389 enabled_any $THREADS_LIST      && enable threads
2390
2391 check_deps $CONFIG_LIST       \
2392            $CONFIG_EXTRA      \
2393            $HAVE_LIST         \
2394            $DECODER_LIST      \
2395            $ENCODER_LIST      \
2396            $HWACCEL_LIST      \
2397            $PARSER_LIST       \
2398            $BSF_LIST          \
2399            $DEMUXER_LIST      \
2400            $MUXER_LIST        \
2401            $FILTER_LIST       \
2402            $INDEV_LIST        \
2403            $OUTDEV_LIST       \
2404            $PROTOCOL_LIST     \
2405
2406 echo "install prefix            $prefix"
2407 echo "source path               $source_path"
2408 echo "C compiler                $cc"
2409 echo ".align is power-of-two    $asmalign_pot"
2410 echo "ARCH                      $arch ($cpu)"
2411 if test "$build_suffix" != ""; then
2412     echo "build suffix              $build_suffix"
2413 fi
2414 if test "$extra_version" != ""; then
2415     echo "version string suffix     $extra_version"
2416 fi
2417 echo "big-endian                ${bigendian-no}"
2418 echo "runtime cpu detection     ${runtime_cpudetect-no}"
2419 if enabled x86; then
2420     echo "yasm                      ${yasm-no}"
2421     echo "MMX enabled               ${mmx-no}"
2422     echo "MMX2 enabled              ${mmx2-no}"
2423     echo "3DNow! enabled            ${amd3dnow-no}"
2424     echo "3DNow! extended enabled   ${amd3dnowext-no}"
2425     echo "SSE enabled               ${sse-no}"
2426     echo "SSSE3 enabled             ${ssse3-no}"
2427     echo "CMOV enabled              ${cmov-no}"
2428     echo "CMOV is fast              ${fast_cmov-no}"
2429     echo "EBX available             ${ebx_available-no}"
2430     echo "EBP available             ${ebp_available-no}"
2431     echo "10 operands supported     ${ten_operands-no}"
2432 fi
2433 if enabled arm; then
2434     echo "ARMv5TE enabled           ${armv5te-no}"
2435     echo "ARMv6 enabled             ${armv6-no}"
2436     echo "ARMv6T2 enabled           ${armv6t2-no}"
2437     echo "ARM VFP enabled           ${armvfp-no}"
2438     echo "IWMMXT enabled            ${iwmmxt-no}"
2439     echo "NEON enabled              ${neon-no}"
2440 fi
2441 if enabled mips; then
2442     echo "MMI enabled               ${mmi-no}"
2443 fi
2444 if enabled ppc; then
2445     echo "AltiVec enabled           ${altivec-no}"
2446     echo "PPC 4xx optimizations     ${ppc4xx-no}"
2447     echo "dcbzl available           ${dcbzl-no}"
2448     echo "performance report        ${powerpc_perf-no}"
2449 fi
2450 if enabled sparc; then
2451     echo "VIS enabled               ${vis-no}"
2452 fi
2453 echo "gprof enabled             ${gprof-no}"
2454 echo "debug symbols             ${debug-no}"
2455 echo "strip symbols             ${stripping-no}"
2456 echo "optimizations             ${optimizations-no}"
2457 echo "static                    ${static-no}"
2458 echo "shared                    ${shared-no}"
2459 echo "postprocessing support    ${postproc-no}"
2460 echo "new filter support        ${avfilter-no}"
2461 echo "filters using lavformat   ${avfilter_lavf-no}"
2462 echo "network support           ${network-no}"
2463 if enabled network; then
2464     echo "IPv6 support              ${ipv6-no}"
2465 fi
2466 echo "threading support         ${thread_type-no}"
2467 echo "SDL support               ${sdl-no}"
2468 if enabled sdl_too_old; then
2469     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2470 fi
2471 echo "Sun medialib support      ${mlib-no}"
2472 echo "AVISynth enabled          ${avisynth-no}"
2473 echo "libdc1394 support         ${libdc1394-no}"
2474 echo "libdirac enabled          ${libdirac-no}"
2475 echo "libfaac enabled           ${libfaac-no}"
2476 echo "libfaad enabled           ${libfaad-no}"
2477 echo "libfaad dlopened          ${libfaadbin-no}"
2478 echo "libgsm enabled            ${libgsm-no}"
2479 echo "libmp3lame enabled        ${libmp3lame-no}"
2480 echo "libnut enabled            ${libnut-no}"
2481 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2482 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2483 echo "libopenjpeg enabled       ${libopenjpeg-no}"
2484 echo "libschroedinger enabled   ${libschroedinger-no}"
2485 echo "libspeex enabled          ${libspeex-no}"
2486 echo "libtheora enabled         ${libtheora-no}"
2487 echo "libvorbis enabled         ${libvorbis-no}"
2488 echo "libx264 enabled           ${libx264-no}"
2489 echo "libxvid enabled           ${libxvid-no}"
2490 echo "zlib enabled              ${zlib-no}"
2491 echo "bzlib enabled             ${bzlib-no}"
2492 echo
2493
2494 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2495     echo "Enabled ${type}s:"
2496     eval list=\$$(toupper $type)_LIST
2497     for part in $list; do
2498         enabled $part && echo ${part%_*}
2499     done | sort | pr -3 -t
2500     echo
2501 done
2502
2503 license="LGPL version 2.1 or later"
2504 if enabled nonfree; then
2505     license="nonfree and unredistributable"
2506 elif enabled gplv3; then
2507     license="GPL version 3 or later"
2508 elif enabled lgplv3; then
2509     license="LGPL version 3 or later"
2510 elif enabled gpl; then
2511     license="GPL version 2 or later"
2512 fi
2513
2514 echo "License: $license"
2515
2516 echo "Creating config.mak and config.h..."
2517
2518 echo "# Automatically generated by configure - do not modify!" > config.mak
2519 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2520 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2521 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2522 echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2523 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2524
2525 echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2526 echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2527
2528 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2529 echo "prefix=$prefix" >> config.mak
2530 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2531 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2532 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2533 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2534 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2535 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2536 echo "SRC_PATH=\"$source_path\"" >> config.mak
2537 echo "SRC_PATH_BARE=$source_path" >> config.mak
2538 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2539 echo "CC=$cc" >> config.mak
2540 echo "AS=$as" >> config.mak
2541 echo "LD=$ld" >> config.mak
2542 echo "DEPCC=$dep_cc" >> config.mak
2543 echo "YASM=$yasmexe" >> config.mak
2544 echo "AR=$ar" >> config.mak
2545 echo "RANLIB=$ranlib" >> config.mak
2546 echo "LN_S=$ln_s" >> config.mak
2547 enabled stripping &&
2548     echo "STRIP=$strip" >> config.mak ||
2549     echo "STRIP=echo ignoring strip" >> config.mak
2550
2551 echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2552 echo "CFLAGS=$CFLAGS" >> config.mak
2553 echo "ASFLAGS=$ASFLAGS" >> config.mak
2554 echo "CC_O=$CC_O" >> config.mak
2555 echo "LDFLAGS=$LDFLAGS" >> config.mak
2556 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2557 echo "SHFLAGS=$SHFLAGS" >> config.mak
2558 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2559 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2560 echo "BUILD_STATIC=$static" >> config.mak
2561 echo "BUILDSUF=$build_suffix" >> config.mak
2562 echo "FULLNAME=$FULLNAME" >> config.mak
2563 echo "LIBPREF=$LIBPREF" >> config.mak
2564 echo "LIBSUF=$LIBSUF" >> config.mak
2565 echo "LIBNAME=$LIBNAME" >> config.mak
2566 echo "SLIBPREF=$SLIBPREF" >> config.mak
2567 echo "SLIBSUF=$SLIBSUF" >> config.mak
2568 echo "EXESUF=$EXESUF" >> config.mak
2569 echo "EXTRA_VERSION=$extra_version" >> config.mak
2570 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2571 echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2572 echo "HOSTCC=$host_cc" >> config.mak
2573 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2574 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2575 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2576 echo "HOSTLIBS=$host_libs" >> config.mak
2577 echo "TARGET_EXEC=$target_exec" >> config.mak
2578 echo "TARGET_PATH=$target_path" >> config.mak
2579
2580 if enabled bigendian; then
2581     echo "WORDS_BIGENDIAN=yes" >> config.mak
2582     echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2583 fi
2584
2585 if enabled sdl; then
2586     echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2587     echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2588 fi
2589 if enabled texi2html; then
2590     echo "BUILD_DOC=yes" >> config.mak
2591 fi
2592
2593 get_version(){
2594     name=$1
2595     file=$source_path/$2
2596     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2597     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2598     lcname=$(tolower $name)
2599     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2600     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2601 }
2602
2603 get_version LIBSWSCALE  libswscale/swscale.h
2604 get_version LIBPOSTPROC libpostproc/postprocess.h
2605 get_version LIBAVCODEC  libavcodec/avcodec.h
2606 get_version LIBAVDEVICE libavdevice/avdevice.h
2607 get_version LIBAVFORMAT libavformat/avformat.h
2608 get_version LIBAVUTIL   libavutil/avutil.h
2609 get_version LIBAVFILTER libavfilter/avfilter.h
2610
2611 if enabled shared; then
2612     echo "BUILD_SHARED=yes" >> config.mak
2613     echo "PIC=-fPIC -DPIC" >> config.mak
2614     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2615     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2616     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2617     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2618     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2619     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2620     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2621     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2622 fi
2623 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2624 echo "EXTRALIBS=$extralibs" >> config.mak
2625
2626 echo "ARCH=$arch" >> config.mak
2627
2628 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2629 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2630 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2631                                       $CONFIG_EXTRA      \
2632                                       $DECODER_LIST      \
2633                                       $ENCODER_LIST      \
2634                                       $HWACCEL_LIST      \
2635                                       $PARSER_LIST       \
2636                                       $BSF_LIST          \
2637                                       $DEMUXER_LIST      \
2638                                       $MUXER_LIST        \
2639                                       $FILTER_LIST       \
2640                                       $PROTOCOL_LIST     \
2641                                       $INDEV_LIST        \
2642                                       $OUTDEV_LIST       \
2643
2644 echo "#define restrict $_restrict" >> $TMPH
2645
2646 if enabled small; then
2647     echo "#define av_always_inline"  >> $TMPH
2648 fi
2649
2650
2651 # Apparently it's not possible to portably echo a backslash.
2652 enabled asmalign_pot &&
2653     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2654     printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2655
2656 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2657
2658 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2659 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2660
2661 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2662 cmp -s $TMPH config.h &&
2663     echo "config.h is unchanged" ||
2664     mv -f $TMPH config.h
2665
2666 # build tree in object directory if source path is different from current one
2667 if enabled source_path_used; then
2668     DIRS="\
2669         doc               \
2670         libavcodec        \
2671         libavcodec/alpha  \
2672         libavcodec/arm    \
2673         libavcodec/bfin   \
2674         libavcodec/mlib   \
2675         libavcodec/ppc    \
2676         libavcodec/sh4    \
2677         libavcodec/sparc  \
2678         libavcodec/x86    \
2679         libavdevice       \
2680         libavfilter       \
2681         libavformat       \
2682         libavutil         \
2683         libpostproc       \
2684         libswscale        \
2685         libswscale/bfin   \
2686         libswscale/mlib   \
2687         libswscale/ppc    \
2688         libswscale/sparc  \
2689         libswscale/x86    \
2690         tests             \
2691         tools             \
2692         "
2693     FILES="\
2694         Makefile             \
2695         common.mak           \
2696         subdir.mak           \
2697         doc/texi2pod.pl      \
2698         libavcodec/Makefile  \
2699         libavdevice/Makefile \
2700         libavfilter/Makefile \
2701         libavformat/Makefile \
2702         libavutil/Makefile   \
2703         libpostproc/Makefile \
2704         libswscale/Makefile  \
2705         "
2706     for dir in $DIRS ; do
2707         mkdir -p $dir
2708     done
2709     for f in $FILES ; do
2710         $ln_s "$source_path/$f" $f
2711     done
2712 fi
2713
2714
2715 # build pkg-config files
2716
2717 pkgconfig_generate(){
2718 name=$1
2719 shortname=${name#lib}${build_suffix}
2720 comment=$2
2721 version=$3
2722 libs=$4
2723 requires=$5
2724 cat <<EOF > $name/$name.pc
2725 prefix=$prefix
2726 exec_prefix=\${prefix}
2727 libdir=$libdir
2728 includedir=$incdir
2729
2730 Name: $name
2731 Description: $comment
2732 Version: $version
2733 Requires: $(disabled shared && echo $requires)
2734 Requires.private: $(enabled shared && echo $requires)
2735 Conflicts:
2736 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2737 Libs.private: $(enabled shared && echo $libs)
2738 Cflags: -I\${includedir}
2739 EOF
2740 cat <<EOF > $name/$name-uninstalled.pc
2741 prefix=
2742 exec_prefix=
2743 libdir=\${pcfiledir}
2744 includedir=${source_path}
2745
2746 Name: $name
2747 Description: $comment
2748 Version: $version
2749 Requires: $requires
2750 Conflicts:
2751 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2752 Cflags: -I\${includedir}
2753 EOF
2754 }
2755
2756 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2757 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2758 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2759 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2760 enabled avfilter &&
2761     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2762 enabled postproc &&
2763     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2764 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"