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_version
1006     host_cc
1007     host_cflags
1008     host_ldflags
1009     host_libs
1010     host_os
1011     ld
1012     logfile
1013     nm
1014     source_path
1015     sysinclude
1016     sysroot
1017     target_exec
1018     target_os
1019     target_path
1020 "
1021
1022 CMDLINE_APPEND="
1023     extra_cflags
1024 "
1025
1026 # code dependency declarations
1027
1028 # architecture extensions
1029 altivec_deps="ppc"
1030 amd3dnow_deps="mmx"
1031 amd3dnowext_deps="amd3dnow"
1032 armv5te_deps="arm"
1033 armv6_deps="arm"
1034 armv6t2_deps="arm"
1035 armvfp_deps="arm"
1036 iwmmxt_deps="arm"
1037 mmi_deps="mips"
1038 mmx_deps="x86"
1039 mmx2_deps="mmx"
1040 neon_deps="arm"
1041 ppc4xx_deps="ppc"
1042 sse_deps="mmx"
1043 ssse3_deps="sse"
1044 vis_deps="sparc"
1045
1046 need_memalign="altivec neon sse"
1047 inline_asm_deps="!tms470"
1048
1049 # decoders / encoders / hardware accelerators
1050 aac_decoder_select="fft mdct"
1051 ac3_decoder_select="fft mdct"
1052 atrac3_decoder_select="fft mdct"
1053 cavs_decoder_select="golomb"
1054 cook_decoder_select="fft mdct"
1055 cscd_decoder_suggest="zlib"
1056 dca_decoder_select="fft mdct"
1057 dnxhd_encoder_select="aandct"
1058 dxa_decoder_select="zlib"
1059 eac3_decoder_select="fft mdct"
1060 eatgq_decoder_select="aandct"
1061 eatqi_decoder_select="aandct"
1062 ffv1_decoder_select="golomb"
1063 flac_decoder_select="golomb"
1064 flac_encoder_select="golomb"
1065 flashsv_decoder_select="zlib"
1066 flashsv_encoder_select="zlib"
1067 flv_encoder_select="aandct"
1068 h261_encoder_select="aandct"
1069 h263_encoder_select="aandct"
1070 h263_vaapi_hwaccel_deps="va_va_h"
1071 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1072 h263p_encoder_select="aandct"
1073 h264_decoder_select="golomb"
1074 h264_vaapi_hwaccel_deps="va_va_h"
1075 h264_vaapi_hwaccel_select="vaapi"
1076 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1077 h264_vdpau_decoder_select="vdpau h264_decoder"
1078 imc_decoder_select="fft mdct"
1079 jpegls_decoder_select="golomb"
1080 jpegls_encoder_select="golomb"
1081 ljpeg_encoder_select="aandct"
1082 loco_decoder_select="golomb"
1083 mjpeg_encoder_select="aandct"
1084 mpeg1video_encoder_select="aandct"
1085 mpeg2video_encoder_select="aandct"
1086 mpeg4_encoder_select="aandct"
1087 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1088 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1089 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1090 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1091 mpeg2_vaapi_hwaccel_deps="va_va_h"
1092 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1093 mpeg4_vaapi_hwaccel_deps="va_va_h"
1094 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1095 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1096 msmpeg4v1_encoder_select="aandct"
1097 msmpeg4v2_encoder_select="aandct"
1098 msmpeg4v3_encoder_select="aandct"
1099 nellymoser_decoder_select="fft mdct"
1100 nellymoser_encoder_select="fft mdct"
1101 png_decoder_select="zlib"
1102 png_encoder_select="zlib"
1103 qdm2_decoder_select="fft mdct rdft"
1104 rv10_encoder_select="aandct"
1105 rv20_encoder_select="aandct"
1106 rv30_decoder_select="golomb"
1107 rv40_decoder_select="golomb"
1108 shorten_decoder_select="golomb"
1109 sonic_decoder_select="golomb"
1110 sonic_encoder_select="golomb"
1111 sonic_ls_encoder_select="golomb"
1112 svq3_decoder_select="golomb"
1113 svq3_decoder_suggest="zlib"
1114 tiff_decoder_suggest="zlib"
1115 tiff_encoder_suggest="zlib"
1116 tscc_decoder_select="zlib"
1117 vc1_vaapi_hwaccel_deps="va_va_h"
1118 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1119 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1120 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1121 vorbis_decoder_select="fft mdct"
1122 vorbis_encoder_select="fft mdct"
1123 vp6a_decoder_select="vp6_decoder"
1124 vp6f_decoder_select="vp6_decoder"
1125 wmav1_decoder_select="fft mdct"
1126 wmav1_encoder_select="fft mdct"
1127 wmav2_decoder_select="fft mdct"
1128 wmav2_encoder_select="fft mdct"
1129 wmv1_encoder_select="aandct"
1130 wmv2_encoder_select="aandct"
1131 wmv3_decoder_select="vc1_decoder"
1132 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1133 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1134 zlib_decoder_select="zlib"
1135 zlib_encoder_select="zlib"
1136 zmbv_decoder_select="zlib"
1137 zmbv_encoder_select="zlib"
1138
1139 # parsers
1140 h264_parser_select="golomb"
1141
1142 # external libraries
1143 libdirac_decoder_deps="libdirac !libschroedinger"
1144 libdirac_encoder_deps="libdirac"
1145 libfaac_encoder_deps="libfaac"
1146 libfaad_decoder_deps="libfaad"
1147 libfaadbin_decoder_extralibs='$ldl'
1148 libgsm_decoder_deps="libgsm"
1149 libgsm_encoder_deps="libgsm"
1150 libgsm_ms_decoder_deps="libgsm"
1151 libgsm_ms_encoder_deps="libgsm"
1152 libmp3lame_encoder_deps="libmp3lame"
1153 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1154 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1155 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1156 libopenjpeg_decoder_deps="libopenjpeg"
1157 libschroedinger_decoder_deps="libschroedinger"
1158 libschroedinger_encoder_deps="libschroedinger"
1159 libspeex_decoder_deps="libspeex"
1160 libtheora_encoder_deps="libtheora"
1161 libvorbis_encoder_deps="libvorbis"
1162 libx264_encoder_deps="libx264"
1163 libxvid_encoder_deps="libxvid"
1164
1165 # demuxers / muxers
1166 ac3_demuxer_deps="ac3_parser"
1167 asf_stream_muxer_select="asf_muxer"
1168 avisynth_demuxer_deps="avisynth"
1169 dirac_demuxer_deps="dirac_parser"
1170 ipod_muxer_select="mov_muxer"
1171 libnut_demuxer_deps="libnut"
1172 libnut_muxer_deps="libnut"
1173 matroska_audio_muxer_select="matroska_muxer"
1174 matroska_demuxer_suggest="zlib bzlib"
1175 mov_demuxer_suggest="zlib"
1176 mp3_demuxer_deps="mpegaudio_parser"
1177 mp4_muxer_select="mov_muxer"
1178 mpegtsraw_demuxer_select="mpegts_demuxer"
1179 mxf_d10_muxer_select="mxf_muxer"
1180 psp_muxer_select="mov_muxer"
1181 redir_demuxer_deps="network"
1182 rtp_muxer_deps="network rtp_protocol"
1183 rtsp_demuxer_deps="sdp_demuxer"
1184 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1185 tg2_muxer_select="mov_muxer"
1186 tgp_muxer_select="mov_muxer"
1187
1188 # indevs / outdevs
1189 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1190 alsa_indev_extralibs="-lasound"
1191 alsa_outdev_deps="alsa_asoundlib_h"
1192 alsa_outdev_extralibs="-lasound"
1193 audio_beos_indev_deps="audio_beos"
1194 audio_beos_indev_extralibs="-lmedia -lbe"
1195 audio_beos_outdev_deps="audio_beos"
1196 audio_beos_outdev_extralibs="-lmedia -lbe"
1197 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1198 dv1394_indev_deps="dv1394 dv_demuxer"
1199 jack_indev_deps="jack_jack_h"
1200 jack_indev_extralibs="-ljack"
1201 libdc1394_indev_deps="libdc1394"
1202 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1203 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1204 v4l_indev_deps="linux_videodev_h"
1205 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1206 vfwcap_indev_deps="capCreateCaptureWindow"
1207 vfwcap_indev_extralibs="-lvfw32"
1208 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1209 x11_grab_device_indev_extralibs="-lX11 -lXext"
1210
1211 # protocols
1212 gopher_protocol_deps="network"
1213 http_protocol_deps="network"
1214 rtp_protocol_deps="udp_protocol"
1215 tcp_protocol_deps="network"
1216 udp_protocol_deps="network"
1217
1218 # filters
1219 movie_filter_deps="avfilter_lavf"
1220
1221 # programs
1222 ffplay_deps="sdl"
1223 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1224 ffserver_extralibs='$ldl'
1225
1226
1227 # default parameters
1228
1229 logfile="config.err"
1230
1231 # installation paths
1232 prefix_default="/usr/local"
1233 bindir_default='${prefix}/bin'
1234 datadir_default='${prefix}/share/ffmpeg'
1235 incdir_default='${prefix}/include'
1236 libdir_default='${prefix}/lib'
1237 mandir_default='${prefix}/share/man'
1238 shlibdir_default="$libdir_default"
1239
1240 # toolchain
1241 ar="ar"
1242 cc_default="gcc"
1243 host_cc_default="gcc"
1244 ln_s="ln -sf"
1245 nm_default="nm"
1246 objformat="elf"
1247 ranlib="ranlib"
1248 strip="strip"
1249 yasmexe="yasm"
1250
1251 # machine
1252 arch=$(uname -m)
1253 cpu="generic"
1254
1255 # OS
1256 target_os=$(tolower $(uname -s))
1257 host_os=$target_os
1258
1259 # configurable options
1260 enable debug
1261 enable fastdiv
1262 enable ffmpeg
1263 enable ffplay
1264 enable ffserver
1265 enable ipv6
1266 enable mpegaudio_hp
1267 enable network
1268 enable optimizations
1269 enable protocols
1270 enable static
1271 enable stripping
1272 enable swscale_alpha
1273
1274 # build settings
1275 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1276 FFSERVERLDFLAGS=-Wl,-E
1277 LIBPREF="lib"
1278 LIBSUF=".a"
1279 FULLNAME='$(NAME)$(BUILDSUF)'
1280 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1281 SLIBPREF="lib"
1282 SLIBSUF=".so"
1283 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1284 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1285 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1286 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1287
1288 CC_O='-o $@'
1289
1290 host_cflags='-O3 -g -Wall'
1291 host_libs='-lm'
1292
1293 target_path='.'
1294
1295 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1296 # full relative path for objects in subdirectories for non-recursive Make.
1297 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1298 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1299
1300 # find source path
1301 source_path="$(dirname "$0")"
1302 enable source_path_used
1303 if test -f configure; then
1304     source_path="$(pwd)"
1305     disable source_path_used
1306 else
1307     source_path="$(cd "$source_path"; pwd)"
1308     echo "$source_path" | grep -q '[[:blank:]]' &&
1309         die "Out of tree builds are impossible with whitespace in source path."
1310     test -e "$source_path/config.h" &&
1311         die "Out of tree builds are impossible with config.h in source dir."
1312 fi
1313
1314 for v in "$@"; do
1315     r=${v#*=}
1316     l=${v%"$r"}
1317     r=$(sh_quote "$r")
1318     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1319 done
1320
1321 find_things(){
1322     thing=$1
1323     pattern=$2
1324     file=$source_path/$3
1325     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1326 }
1327
1328 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1329 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1330 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1331 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1332 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1333 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1334 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1335 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1336 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1337 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1338 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1339
1340 enable $ARCH_EXT_LIST \
1341        $DECODER_LIST \
1342        $ENCODER_LIST \
1343        $HWACCEL_LIST \
1344        $PARSER_LIST \
1345        $BSF_LIST \
1346        $DEMUXER_LIST \
1347        $MUXER_LIST \
1348        $FILTER_LIST \
1349        $PROTOCOL_LIST \
1350        $INDEV_LIST \
1351        $OUTDEV_LIST \
1352
1353 die_unknown(){
1354     echo "Unknown option \"$1\"."
1355     echo "See $0 --help for available options."
1356     exit 1
1357 }
1358
1359 show_list() {
1360     suffix=_$1
1361     shift
1362     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1363     exit 0
1364 }
1365
1366 for opt do
1367     optval="${opt#*=}"
1368     case "$opt" in
1369     --extra-ldflags=*) add_ldflags $optval
1370     ;;
1371     --extra-libs=*) add_extralibs $optval
1372     ;;
1373     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1374     ;;
1375     --enable-debug=*) debuglevel="$optval"
1376     ;;
1377     --enable-*=*|--disable-*=*)
1378     eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1379     case "$thing" in
1380         encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1381         *) die_unknown "$opt" ;;
1382     esac
1383     ;;
1384     --enable-?*|--disable-?*)
1385     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1386     if is_in $option $COMPONENT_LIST; then
1387         test $action = disable && action=unset
1388         eval $action \$$(toupper ${option%s})_LIST
1389     elif is_in $option $CMDLINE_SELECT; then
1390         $action $option
1391     else
1392         die_unknown $opt
1393     fi
1394     ;;
1395     --list-*)
1396         NAME="${opt#--list-}"
1397         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1398         NAME=${NAME%s}
1399         eval show_list $NAME \$$(toupper $NAME)_LIST
1400     ;;
1401     --help|-h) show_help
1402     ;;
1403     *)
1404     optname="${opt%%=*}"
1405     optname="${optname#--}"
1406     optname=$(echo "$optname" | sed 's/-/_/g')
1407     if is_in $optname $CMDLINE_SET; then
1408         eval $optname='$optval'
1409     elif is_in $optname $CMDLINE_APPEND; then
1410         append $optname "$optval"
1411     else
1412          die_unknown $opt
1413     fi
1414     ;;
1415     esac
1416 done
1417
1418 disabled logging && logfile=/dev/null
1419
1420 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1421 set >> $logfile
1422
1423 test -n "$cross_prefix" && enable cross_compile
1424
1425 ar="${cross_prefix}${ar}"
1426 cc_default="${cross_prefix}${cc_default}"
1427 nm_default="${cross_prefix}${nm_default}"
1428 ranlib="${cross_prefix}${ranlib}"
1429 strip="${cross_prefix}${strip}"
1430
1431 sysinclude_default="${sysroot}/usr/include"
1432
1433 set_default cc nm sysinclude
1434 enabled cross_compile || host_cc_default=$cc
1435 set_default host_cc
1436
1437 exesuf() {
1438     case $1 in
1439         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1440     esac
1441 }
1442
1443 EXESUF=$(exesuf $target_os)
1444 HOSTEXESUF=$(exesuf $host_os)
1445
1446 # set temporary file name
1447 : ${TMPDIR:=$TEMPDIR}
1448 : ${TMPDIR:=$TMP}
1449 : ${TMPDIR:=/tmp}
1450
1451 if ! check_cmd type mktemp; then
1452     # simple replacement for missing mktemp
1453     # NOT SAFE FOR GENERAL USE
1454     mktemp(){
1455         echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1456     }
1457 fi
1458
1459 tmpfile(){
1460     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1461         (set -C; exec > $tmp) 2>/dev/null ||
1462         die "Unable to create temoporary file in $TMPDIR."
1463     append TMPFILES $tmp
1464     eval $1=$tmp
1465 }
1466
1467 trap 'rm -f -- $TMPFILES' EXIT
1468 trap exit HUP INT TERM
1469
1470 tmpfile TMPC  .c
1471 tmpfile TMPE  $EXESUF
1472 tmpfile TMPH  .h
1473 tmpfile TMPO  .o
1474 tmpfile TMPS  .S
1475 tmpfile TMPSH .sh
1476
1477 unset -f mktemp
1478
1479 # make sure we can execute files in $TMPDIR
1480 cat > $TMPSH 2>> $logfile <<EOF
1481 #! /bin/sh
1482 EOF
1483 chmod +x $TMPSH >> $logfile 2>&1
1484 if ! $TMPSH >> $logfile 2>&1; then
1485     cat <<EOF
1486 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1487 variable to another directory and make sure that it is not mounted noexec.
1488 EOF
1489     die "Sanity test failed."
1490 fi
1491
1492 filter_cflags=echo
1493 filter_cppflags=echo
1494 filter_asflags=echo
1495
1496 if   $cc --version 2>/dev/null | grep -qi gcc; then
1497     cc_type=gcc
1498 elif $cc --version 2>/dev/null | grep -q Intel; then
1499     cc_type=icc
1500 elif $cc -v 2>&1 | grep -q xlc; then
1501     cc_type=xlc
1502 elif $cc -V 2>/dev/null | grep -q Compaq; then
1503     cc_type=ccc
1504     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1505     debuglevel=3
1506     add_ldflags -Wl,-z,now # calls to libots crash without this
1507 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1508     test -d "$sysroot" || die "No valid sysroot specified."
1509     cc_type=armcc
1510     armcc_conf="$PWD/armcc.conf"
1511     $cc --arm_linux_configure                 \
1512         --arm_linux_config_file="$armcc_conf" \
1513         --configure_sysroot="$sysroot"        \
1514         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1515         die "Error creating armcc configuration file."
1516     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1517     as_default="${cross_prefix}gcc"
1518 elif $cc -version 2>/dev/null | grep -q TMS470; then
1519     cc_type=tms470
1520     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1521     CC_O='-fr=$(@D)'
1522     as_default="${cross_prefix}gcc"
1523     ld_default="${cross_prefix}gcc"
1524     dep_cc_default="${cross_prefix}gcc"
1525     TMPO=$(basename $TMPC .c).o
1526     append TMPFILES $TMPO
1527     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1528     DEPFLAGS='$(CPPFLAGS) -MM'
1529     filter_cflags=tms470_flags
1530     tms470_flags(){
1531         for flag; do
1532             case $flag in
1533                 -march=*|-mcpu=*)
1534                     case "${flag#*=}" in
1535                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
1536                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
1537                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
1538                         armv6*|arm11*)          echo -mv=6   ;;
1539                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1540                                                 echo -mv=5e  ;;
1541                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1542                     esac
1543                     ;;
1544                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1545                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
1546                 -mfpu=softvfp)  echo --float_support=vfplib       ;;
1547                 -Os)            echo -O3 -mf=2                    ;;
1548                 -O[0-3])        echo $flag -mf=5                  ;;
1549                 -g)             echo -g -mn                       ;;
1550             esac
1551         done
1552     }
1553 fi
1554
1555 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1556
1557 : ${as_default:=$cc}
1558 : ${dep_cc_default:=$cc}
1559 : ${ld_default:=$cc}
1560 set_default as dep_cc ld
1561
1562 add_cflags $extra_cflags
1563 add_asflags $extra_cflags
1564
1565 if test -n "$sysroot"; then
1566     case "$cc_type" in
1567         gcc)
1568             add_cppflags --sysroot="$sysroot"
1569             add_ldflags --sysroot="$sysroot"
1570         ;;
1571         tms470)
1572             add_cppflags -I"$sysinclude"
1573             add_ldflags  --sysroot="$sysroot"
1574         ;;
1575     esac
1576 fi
1577
1578 # Add processor-specific flags
1579 case $cpu in
1580     601|ppc601|PowerPC601)
1581         cpuflags="-mcpu=601"
1582     ;;
1583     603*|ppc603*|PowerPC603*)
1584         cpuflags="-mcpu=603"
1585     ;;
1586     604*|ppc604*|PowerPC604*)
1587         cpuflags="-mcpu=604"
1588     ;;
1589     G3|g3|75*|ppc75*|PowerPC75*)
1590         cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1591     ;;
1592     G4|g4|745*|ppc745*|PowerPC745*)
1593         cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1594     ;;
1595     74*|ppc74*|PowerPC74*)
1596         cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1597     ;;
1598     G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1599         cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1600     ;;
1601     Cell|CELL|cell)
1602         cpuflags="-mcpu=cell"
1603         enable ldbrx
1604     ;;
1605     # targets that do NOT support conditional mov (cmov)
1606     i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1607         cpuflags="-march=$cpu"
1608         disable cmov
1609     ;;
1610     # targets that do support conditional mov (cmov)
1611     i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1612         cpuflags="-march=$cpu"
1613         enable cmov
1614         enable fast_cmov
1615     ;;
1616     # targets that do support conditional mov but on which it's slow
1617     pentium4|pentium4m|prescott|nocona)
1618         cpuflags="-march=$cpu"
1619         enable cmov
1620         disable fast_cmov
1621     ;;
1622     sparc64)
1623         cpuflags="-mcpu=v9"
1624     ;;
1625     arm11*|cortex*)
1626         cpuflags="-mcpu=$cpu"
1627         enable fast_unaligned
1628     ;;
1629     armv[67]*)
1630         cpuflags="-march=$cpu"
1631         enable fast_unaligned
1632     ;;
1633     armv*)
1634         cpuflags="-march=$cpu"
1635     ;;
1636     arm*)
1637         cpuflags="-mcpu=$cpu"
1638     ;;
1639     ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1640         enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1641     ;;
1642     bf*)
1643         cpuflags="-mcpu=$cpu"
1644     ;;
1645     mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1646         cpuflags="-march=$cpu"
1647     ;;
1648     generic)
1649     ;;
1650     *)
1651         echo "WARNING: Unknown CPU \"$cpu\", ignored."
1652     ;;
1653 esac
1654
1655 add_cflags $cpuflags
1656 add_asflags $cpuflags
1657
1658 # compiler sanity check
1659 check_exec <<EOF
1660 int main(void){ return 0; }
1661 EOF
1662 if test "$?" != 0; then
1663     echo "$cc is unable to create an executable file."
1664     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1665         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1666         echo "Only do this if you know what cross compiling means."
1667     fi
1668     die "C compiler test failed."
1669 fi
1670
1671 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1672 check_cflags -std=c99
1673 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1674 #include <stdlib.h>
1675 EOF
1676 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1677 #include <stdlib.h>
1678 EOF
1679
1680 case "$arch" in
1681     alpha)
1682         arch="alpha"
1683         enable fast_64bit
1684         check_cflags -mieee
1685     ;;
1686     arm|armv[4567]*l)
1687         arch="arm"
1688     ;;
1689     avr32)
1690     ;;
1691     bfin)
1692         arch="bfin"
1693     ;;
1694     ia64)
1695         arch="ia64"
1696         enable fast_64bit
1697     ;;
1698     m68k)
1699         arch="m68k"
1700     ;;
1701     mips|mipsel|IP*)
1702         arch="mips"
1703     ;;
1704     mips64)
1705         arch="mips"
1706         subarch="mips64"
1707         enable fast_64bit
1708     ;;
1709     parisc|hppa)
1710         arch="parisc"
1711     ;;
1712     parisc64|hppa64)
1713         arch="parisc"
1714         enable fast_64bit
1715     ;;
1716     "Power Macintosh"|ppc|powerpc)
1717         arch="ppc"
1718         enable fast_unaligned
1719     ;;
1720     ppc64)
1721         arch="ppc"
1722         subarch="ppc64"
1723         enable fast_64bit
1724         enable fast_unaligned
1725     ;;
1726     s390|s390x)
1727         arch="s390"
1728     ;;
1729     sh4|sh)
1730         arch="sh4"
1731     ;;
1732     sparc)
1733         arch="sparc"
1734     ;;
1735     sun4u|sparc64)
1736         arch="sparc"
1737         subarch="sparc64"
1738         enable fast_64bit
1739     ;;
1740     i386|i486|i586|i686|i86pc|BePC)
1741         arch="x86"
1742         subarch="x86_32"
1743         enable fast_unaligned
1744     ;;
1745     x86_64|amd64)
1746         arch="x86"
1747         subarch="x86_32"
1748         enable cmov
1749         enable fast_cmov
1750         enable fast_unaligned
1751         check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1752         int test[sizeof(char*) - 7];
1753 EOF
1754     ;;
1755     *)
1756         arch="unknown"
1757     ;;
1758 esac
1759
1760 enable $arch $subarch
1761
1762 # OS specific
1763 case $target_os in
1764     beos|haiku|zeta)
1765         prefix_default="$HOME/config"
1766         # helps building libavcodec
1767         add_cppflags -DPIC
1768         add_cflags -fomit-frame-pointer
1769         # 3 gcc releases known for BeOS, each with ugly bugs
1770         gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1771         case "$gcc_version" in
1772           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1773             disable mmx
1774             ;;
1775           *20010315*) echo "BeBits gcc"
1776             add_cflags -fno-expensive-optimizations
1777             ;;
1778         esac
1779         SHFLAGS=-nostart
1780         # enable BeOS things
1781         enable audio_beos
1782         # no need for libm, but the inet stuff
1783         # Check for BONE
1784         # XXX: actually should check for NOT net_server
1785         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1786             network_extralibs="-lbind -lsocket"
1787         else
1788             enable beos_netserver
1789             network_extralibs="-lnet"
1790         fi ;;
1791     sunos)
1792         FFSERVERLDFLAGS=""
1793         SHFLAGS='-shared -Wl,-h,$$(@F)'
1794         network_extralibs="-lsocket -lnsl"
1795         add_cppflags -D__EXTENSIONS__
1796         ;;
1797     netbsd)
1798         oss_indev_extralibs="-lossaudio"
1799         oss_outdev_extralibs="-lossaudio"
1800         ;;
1801     openbsd)
1802         enable malloc_aligned
1803         LIBOBJFLAGS='$(PIC)'
1804         SHFLAGS='-shared'
1805         oss_indev_extralibs="-lossaudio"
1806         oss_outdev_extralibs="-lossaudio"
1807         ;;
1808     freebsd|dragonfly)
1809         enable malloc_aligned
1810         ;;
1811     bsd/os)
1812         osextralibs="-lpoll -lgnugetopt"
1813         strip="strip -d"
1814         ;;
1815     darwin)
1816         enable malloc_aligned
1817         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1818         strip="strip -x"
1819         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1820         SLIBSUF=".dylib"
1821         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1822         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1823         FFSERVERLDFLAGS=-Wl,-bind_at_load
1824         objformat="macho"
1825         enabled x86_64 && objformat="macho64"
1826         ;;
1827     mingw32*)
1828         target_os=mingw32
1829         LIBTARGET=i386
1830         if enabled x86_64; then
1831             enable malloc_aligned
1832             LIBTARGET=x64
1833         elif enabled arm; then
1834             LIBTARGET=arm
1835         fi
1836         shlibdir_default="$bindir_default"
1837         disable ffserver
1838         SLIBPREF=""
1839         SLIBSUF=".dll"
1840         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1841         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1842         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1843         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1844             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1845             install -d "$(LIBDIR)"; \
1846             install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1847         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1848         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1849         objformat="win32"
1850         enable dos_paths
1851         check_cflags -fno-common
1852         if ! enabled x86_64; then
1853             check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1854                 die "ERROR: MinGW runtime version must be >= 3.15."
1855             enabled_any avisynth vfwcap_indev &&
1856                 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1857                   die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1858             fi
1859         ;;
1860     cygwin*)
1861         target_os=cygwin
1862         shlibdir_default="$bindir_default"
1863         SLIBPREF="cyg"
1864         SLIBSUF=".dll"
1865         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1866         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1867         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1868         objformat="win32"
1869         enable dos_paths
1870         check_cflags -fno-common
1871         ;;
1872     *-dos|freedos|opendos)
1873         disable ffplay ffserver
1874         disable $INDEV_LIST $OUTDEV_LIST
1875         network_extralibs="-lsocket"
1876         objformat="coff"
1877         enable dos_paths
1878         ;;
1879     linux)
1880         enable dv1394
1881         ;;
1882     irix*)
1883         target_os=irix
1884         ranlib="echo ignoring ranlib"
1885         ;;
1886     os/2*)
1887         strip="lxlite"
1888         ln_s="cp -f"
1889         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1890         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1891         FFSERVERLDFLAGS=""
1892         LIBSUF="_s.a"
1893         SLIBPREF=""
1894         SLIBSUF=".dll"
1895         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1896         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1897         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1898           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1899           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1900           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1901           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1902           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1903         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1904           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1905         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1906         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1907         enable dos_paths
1908         ;;
1909     gnu/kfreebsd)
1910         ;;
1911     gnu)
1912         ;;
1913
1914     *)
1915         die "Unknown OS '$target_os'."
1916         ;;
1917 esac
1918
1919 set_default $PATHS_LIST
1920
1921 add_extralibs $osextralibs
1922
1923 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1924 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1925
1926 # we need to build at least one lib type
1927 if ! enabled_any static shared; then
1928     cat <<EOF
1929 At least one library type must be built.
1930 Specify --enable-static to build the static libraries or --enable-shared to
1931 build the shared libraries as well. To only build the shared libraries specify
1932 --disable-static in addition to --enable-shared.
1933 EOF
1934     exit 1;
1935 fi
1936
1937 disabled static && LIBNAME=""
1938
1939 if enabled_any libfaad libfaadbin ; then
1940     if check_header faad.h; then
1941         check_cc <<EOF
1942 #include <faad.h>
1943 #ifndef FAAD2_VERSION
1944 ok faad1
1945 #endif
1946 int main(void) { return 0; }
1947 EOF
1948         test $? = 0 && enable libfaad2
1949     else
1950         die "FAAD test failed."
1951     fi
1952 fi
1953
1954
1955 die_license_disabled() {
1956     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1957 }
1958
1959 die_license_disabled gpl libfaad2
1960 die_license_disabled gpl libx264
1961 die_license_disabled gpl libxvid
1962 die_license_disabled gpl postproc
1963 die_license_disabled gpl x11grab
1964
1965 die_license_disabled nonfree libfaac
1966
1967 die_license_disabled version3 libopencore_amrnb
1968 die_license_disabled version3 libopencore_amrwb
1969
1970 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1971
1972 check_deps $ARCH_EXT_LIST
1973
1974 #Darwin CC versions
1975 if test $target_os = darwin; then
1976     if enabled xlc; then
1977         add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1978     else
1979         add_cflags -pipe
1980         check_cflags -force_cpusubtype_ALL
1981         check_cflags -Wno-sign-compare
1982         enabled shared || check_cflags -mdynamic-no-pic
1983     fi
1984 fi
1985
1986 disabled optimizations || check_cflags -fomit-frame-pointer
1987
1988 check_cc <<EOF || die "Symbol mangling check failed."
1989 int ff_extern;
1990 EOF
1991 sym=$($nm -P -g $TMPO | grep ff_extern)
1992 extern_prefix=${sym%%ff_extern*}
1993
1994 check_cc <<EOF && enable inline_asm
1995 void foo(void) { __asm__ volatile ("" ::); }
1996 EOF
1997
1998 if enabled x86; then
1999     # check whether EBP is available on x86
2000     # As 'i' is stored on the stack, this program will crash
2001     # if the base pointer is used to access it because the
2002     # base pointer is cleared in the inline assembly code.
2003     check_exec_crash <<EOF && enable ebp_available
2004     volatile int i=0;
2005     __asm__ volatile (
2006         "xorl %%ebp, %%ebp"
2007     ::: "%ebp");
2008     return i;
2009 EOF
2010
2011     # check wether EBX is available on x86
2012     check_asm ebx_available '"":::"%ebx"'
2013
2014     # check whether more than 10 operands are supported
2015     check_cc <<EOF && enable ten_operands
2016 int main(void) {
2017     int x=0;
2018     __asm__ volatile(
2019         ""
2020         :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2021     );
2022     return 0;
2023 }
2024 EOF
2025
2026     # check whether binutils is new enough to compile SSSE3/MMX2
2027     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2028     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2029
2030     check_asm bswap '"bswap %%eax" ::: "%eax"'
2031
2032     YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2033     enabled     x86_64        && append YASMFLAGS "-m amd64"
2034     enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
2035     case "$objformat" in
2036         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2037         macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
2038         *)                    append YASMFLAGS "-DPREFIX"  ;;
2039     esac
2040     disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2041 fi
2042
2043 # check for assembler specific support
2044
2045 enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
2046
2047 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
2048 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
2049 enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2050
2051 # check for SIMD availability
2052
2053 # AltiVec flags: The FSF version of GCC differs from the Apple version
2054 if enabled altivec; then
2055     check_cflags -maltivec -mabi=altivec &&
2056         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2057         check_cflags -faltivec
2058
2059     # check if our compiler supports Motorola AltiVec C API
2060     check_cc <<EOF || disable altivec
2061 $inc_altivec_h
2062 int main(void) {
2063     vector signed int v1, v2, v3;
2064     v1 = vec_add(v2,v3);
2065     return 0;
2066 }
2067 EOF
2068
2069     # check if our compiler supports braces for vector declarations
2070     check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2071 $inc_altivec_h
2072 int main (void) { (vector int) {1}; return 0; }
2073 EOF
2074 fi
2075
2076 # We have to check if pld is a nop and disable it.
2077 enabled arm     && check_asm pld     '"pld [r0]"'
2078 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2079 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2080 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2081 enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2082 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2083 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2084 enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2085 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
2086
2087 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2088
2089 check_cc <<EOF || die "endian test failed"
2090 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2091 EOF
2092 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2093
2094 if check_func dlopen; then
2095     ldl=
2096 elif check_func dlopen -ldl; then
2097     ldl=-ldl
2098 fi
2099
2100 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2101 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2102
2103 check_func  fork
2104 check_func  gethrtime
2105 check_func  getrusage
2106 check_func  inet_aton $network_extralibs
2107 check_func  memalign
2108 check_func  mkstemp
2109 check_func  posix_memalign
2110 check_func_headers io.h setmode
2111 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2112 check_func_headers windows.h GetProcessTimes
2113 check_func_headers windows.h VirtualAlloc
2114
2115 check_header conio.h
2116 check_header dlfcn.h
2117 check_header malloc.h
2118 check_header poll.h
2119 check_header sys/mman.h
2120 check_header sys/resource.h
2121 check_header sys/select.h
2122 check_header termios.h
2123 check_header vdpau/vdpau.h
2124 check_header vdpau/vdpau_x11.h
2125 check_header X11/extensions/XvMClib.h
2126
2127 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2128      enabled_any $need_memalign ; then
2129     die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2130 fi
2131
2132 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2133 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2134
2135 # check for some common methods of building with pthread support
2136 # do this before the optional library checks as some of them require pthreads
2137 if enabled pthreads; then
2138     if check_func pthread_create; then
2139         :
2140     elif check_func pthread_create -pthread; then
2141         add_cflags -pthread
2142         add_extralibs -pthread
2143     elif check_func pthread_create -pthreads; then
2144         add_cflags -pthreads
2145         add_extralibs -pthreads
2146     elif check_func pthread_create -lpthreadGC2; then
2147         add_extralibs -lpthreadGC2
2148     elif ! check_lib pthread.h pthread_create -lpthread; then
2149         die "ERROR: can't find pthreads library"
2150     fi
2151 fi
2152
2153 for thread in $THREADS_LIST; do
2154     if enabled $thread; then
2155         test -n "$thread_type" &&
2156             die "ERROR: Only one thread type must be selected." ||
2157             thread_type="$thread"
2158     fi
2159 done
2160
2161 check_lib math.h sin -lm
2162 check_lib va/va.h vaInitialize -lva
2163
2164 check_func llrint
2165 check_func log2
2166 check_func lrint
2167 check_func lrintf
2168 check_func round
2169 check_func roundf
2170 check_func truncf
2171
2172 # these are off by default, so fail if requested and not available
2173 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2174 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2175                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2176                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2177 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2178 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2179 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2180 enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2181 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2182 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2183 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2184 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2185 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2186                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2187 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2188 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2189 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2190 enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2191                       { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2192                         die "ERROR: libx264 version must be >= 0.65."; }
2193 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2194 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2195
2196 # libdc1394 check
2197 if enabled libdc1394; then
2198     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2199         enable libdc1394_2; } ||
2200     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2201         enable libdc1394_1; } ||
2202     die "ERROR: No version of libdc1394 found "
2203 fi
2204
2205
2206 _restrict=
2207 for restrict_keyword in restrict __restrict__ __restrict; do
2208     check_cc <<EOF && _restrict=$restrict_keyword && break
2209 void foo(char * $restrict_keyword p);
2210 EOF
2211 done
2212
2213 check_cc <<EOF && enable attribute_packed
2214 struct { int x; } __attribute__((packed)) x;
2215 EOF
2216
2217 disable sdl_too_old
2218 disable sdl
2219 SDL_CONFIG="${cross_prefix}sdl-config"
2220 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2221     sdl_cflags=$("${SDL_CONFIG}" --cflags)
2222     temp_cflags $sdl_cflags
2223     temp_extralibs $("${SDL_CONFIG}" --libs)
2224     if check_lib2 SDL.h SDL_Init; then
2225         _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2226         if test "$_sdlversion" -lt 121 ; then
2227             enable sdl_too_old
2228         else
2229             enable sdl
2230             check_cc $sdl_cflags <<EOF && enable sdl_video_size
2231 #include <SDL.h>
2232 int main(int argc, char **argv){
2233     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2234     int w = vi->current_w;
2235     return 0;
2236 }
2237 EOF
2238         fi
2239     fi
2240     restore_flags
2241 fi
2242
2243 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2244
2245 if enabled network; then
2246     check_type "sys/types.h sys/socket.h" socklen_t
2247     # Prefer arpa/inet.h over winsock2
2248     if check_header arpa/inet.h ; then
2249         check_func closesocket
2250     elif check_header winsock2.h ; then
2251         check_func_headers winsock2.h closesocket -lws2 && \
2252             network_extralibs="-lws2" || \
2253         { check_func_headers winsock2.h closesocket -lws2_32 && \
2254             network_extralibs="-lws2_32"; }
2255         check_type ws2tcpip.h socklen_t
2256     else
2257         disable network
2258     fi
2259 fi
2260
2261 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2262 #include <sys/types.h>
2263 #include <sys/socket.h>
2264 #include <netinet/in.h>
2265 #include <netdb.h>
2266 int main(void) {
2267     struct sockaddr_storage saddr;
2268     struct ipv6_mreq mreq6;
2269     getaddrinfo(0,0,0,0);
2270     getnameinfo(0,0,0,0,0,0,0);
2271     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2272 }
2273 EOF
2274
2275 check_header linux/videodev.h
2276 check_header linux/videodev2.h
2277 check_header sys/videoio.h
2278
2279 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2280
2281 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2282 { check_header dev/bktr/ioctl_meteor.h &&
2283   check_header dev/bktr/ioctl_bt848.h; } ||
2284 { check_header machine/ioctl_meteor.h &&
2285   check_header machine/ioctl_bt848.h; } ||
2286 { check_header dev/video/meteor/ioctl_meteor.h &&
2287   check_header dev/video/bktr/ioctl_bt848.h; } ||
2288 check_header dev/ic/bt8xx.h
2289
2290 check_header sys/soundcard.h
2291 check_header soundcard.h
2292
2293 enabled alsa_indev || enabled alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2294
2295 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2296
2297 enabled x11grab                         &&
2298 check_header X11/Xlib.h                 &&
2299 check_header X11/extensions/XShm.h      &&
2300 check_func XOpenDisplay -lX11           &&
2301 check_func XShmCreateImage -lX11 -lXext
2302
2303 enabled debug && add_cflags -g"$debuglevel"
2304
2305 # add some useful compiler flags if supported
2306 check_cflags -Wdeclaration-after-statement
2307 check_cflags -Wall
2308 check_cflags -Wno-switch
2309 check_cflags -Wdisabled-optimization
2310 check_cflags -Wpointer-arith
2311 check_cflags -Wredundant-decls
2312 check_cflags -Wno-pointer-sign
2313 check_cflags -Wcast-qual
2314 check_cflags -Wwrite-strings
2315 check_cflags -Wtype-limits
2316 check_cflags -Wundef
2317 enabled extra_warnings && check_cflags -Winline
2318
2319 # add some linker flags
2320 check_ldflags -Wl,--warn-common
2321 check_ldflags -Wl,--as-needed
2322 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'
2323 check_ldflags -Wl,-Bsymbolic
2324
2325 if enabled small; then
2326     check_cflags -Os            # not all compilers support -Os
2327     optimizations="small"
2328 elif enabled optimizations; then
2329     if enabled xlc; then
2330         add_cflags  -O5
2331         add_ldflags -O5
2332     elif enabled ccc; then
2333         add_cflags -fast
2334     else
2335         add_cflags -O3
2336     fi
2337 fi
2338 check_cflags -fno-math-errno
2339 check_cflags -fno-signed-zeros
2340
2341 if enabled icc; then
2342     # Just warnings, no remarks
2343     check_cflags -w1
2344     # -wd: Disable following warnings
2345     # 144, 167, 556: -Wno-pointer-sign
2346     # 10006: ignoring unknown option -fno-signed-zeros
2347     # 10156: ignoring option '-W'; no argument required
2348     check_cflags -wd144,167,556,10006,10156
2349     # 11030: Warning unknown option --as-needed
2350     # 10156: ignoring option '-export'; no argument required
2351     check_ldflags -wd10156,11030
2352     # Allow to compile with optimizations
2353     check_ldflags -march=$cpu
2354     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2355     enable ebp_available
2356 elif enabled ccc; then
2357     # disable some annoying warnings
2358     add_cflags -msg_disable cvtu32to64
2359     add_cflags -msg_disable embedcomment
2360     add_cflags -msg_disable needconstext
2361     add_cflags -msg_disable nomainieee
2362     add_cflags -msg_disable ptrmismatch1
2363     add_cflags -msg_disable unreachcode
2364 elif enabled gcc; then
2365     check_cflags -fno-tree-vectorize
2366 fi
2367
2368 # PIC flags for shared library objects where they are needed
2369 if enabled shared; then
2370     # LIBOBJFLAGS may have already been set in the OS configuration
2371     if test -z "$LIBOBJFLAGS" ; then
2372         case "${subarch-$arch}" in
2373             x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2374         esac
2375     fi
2376 fi
2377
2378 if enabled gprof; then
2379     add_cflags  -p
2380     add_ldflags -p
2381 fi
2382
2383 # Find out if the .align argument is a power of two or not.
2384 check_asm asmalign_pot '".align 3"'
2385
2386 enabled_any $DECODER_LIST      && enable decoders
2387 enabled_any $ENCODER_LIST      && enable encoders
2388 enabled_any $HWACCEL_LIST      && enable hwaccels
2389 enabled_any $BSF_LIST          && enable bsfs
2390 enabled_any $DEMUXER_LIST      && enable demuxers
2391 enabled_any $MUXER_LIST        && enable muxers
2392 enabled_any $FILTER_LIST       && enable filters
2393 enabled_any $INDEV_LIST        && enable indevs
2394 enabled_any $OUTDEV_LIST       && enable outdevs
2395 enabled_any $PROTOCOL_LIST     && enable protocols
2396
2397 enabled_any $THREADS_LIST      && enable threads
2398
2399 check_deps $CONFIG_LIST       \
2400            $CONFIG_EXTRA      \
2401            $HAVE_LIST         \
2402            $DECODER_LIST      \
2403            $ENCODER_LIST      \
2404            $HWACCEL_LIST      \
2405            $PARSER_LIST       \
2406            $BSF_LIST          \
2407            $DEMUXER_LIST      \
2408            $MUXER_LIST        \
2409            $FILTER_LIST       \
2410            $INDEV_LIST        \
2411            $OUTDEV_LIST       \
2412            $PROTOCOL_LIST     \
2413
2414 echo "install prefix            $prefix"
2415 echo "source path               $source_path"
2416 echo "C compiler                $cc"
2417 echo ".align is power-of-two    $asmalign_pot"
2418 echo "ARCH                      $arch ($cpu)"
2419 if test "$build_suffix" != ""; then
2420     echo "build suffix              $build_suffix"
2421 fi
2422 if test "$extra_version" != ""; then
2423     echo "version string suffix     $extra_version"
2424 fi
2425 echo "big-endian                ${bigendian-no}"
2426 echo "runtime cpu detection     ${runtime_cpudetect-no}"
2427 if enabled x86; then
2428     echo "yasm                      ${yasm-no}"
2429     echo "MMX enabled               ${mmx-no}"
2430     echo "MMX2 enabled              ${mmx2-no}"
2431     echo "3DNow! enabled            ${amd3dnow-no}"
2432     echo "3DNow! extended enabled   ${amd3dnowext-no}"
2433     echo "SSE enabled               ${sse-no}"
2434     echo "SSSE3 enabled             ${ssse3-no}"
2435     echo "CMOV enabled              ${cmov-no}"
2436     echo "CMOV is fast              ${fast_cmov-no}"
2437     echo "EBX available             ${ebx_available-no}"
2438     echo "EBP available             ${ebp_available-no}"
2439     echo "10 operands supported     ${ten_operands-no}"
2440 fi
2441 if enabled arm; then
2442     echo "ARMv5TE enabled           ${armv5te-no}"
2443     echo "ARMv6 enabled             ${armv6-no}"
2444     echo "ARMv6T2 enabled           ${armv6t2-no}"
2445     echo "ARM VFP enabled           ${armvfp-no}"
2446     echo "IWMMXT enabled            ${iwmmxt-no}"
2447     echo "NEON enabled              ${neon-no}"
2448 fi
2449 if enabled mips; then
2450     echo "MMI enabled               ${mmi-no}"
2451 fi
2452 if enabled ppc; then
2453     echo "AltiVec enabled           ${altivec-no}"
2454     echo "PPC 4xx optimizations     ${ppc4xx-no}"
2455     echo "dcbzl available           ${dcbzl-no}"
2456     echo "performance report        ${powerpc_perf-no}"
2457 fi
2458 if enabled sparc; then
2459     echo "VIS enabled               ${vis-no}"
2460 fi
2461 echo "gprof enabled             ${gprof-no}"
2462 echo "debug symbols             ${debug-no}"
2463 echo "strip symbols             ${stripping-no}"
2464 echo "optimizations             ${optimizations-no}"
2465 echo "static                    ${static-no}"
2466 echo "shared                    ${shared-no}"
2467 echo "postprocessing support    ${postproc-no}"
2468 echo "new filter support        ${avfilter-no}"
2469 echo "filters using lavformat   ${avfilter_lavf-no}"
2470 echo "network support           ${network-no}"
2471 if enabled network; then
2472     echo "IPv6 support              ${ipv6-no}"
2473 fi
2474 echo "threading support         ${thread_type-no}"
2475 echo "SDL support               ${sdl-no}"
2476 if enabled sdl_too_old; then
2477     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2478 fi
2479 echo "Sun medialib support      ${mlib-no}"
2480 echo "AVISynth enabled          ${avisynth-no}"
2481 echo "libdc1394 support         ${libdc1394-no}"
2482 echo "libdirac enabled          ${libdirac-no}"
2483 echo "libfaac enabled           ${libfaac-no}"
2484 echo "libfaad enabled           ${libfaad-no}"
2485 echo "libfaad dlopened          ${libfaadbin-no}"
2486 echo "libgsm enabled            ${libgsm-no}"
2487 echo "libmp3lame enabled        ${libmp3lame-no}"
2488 echo "libnut enabled            ${libnut-no}"
2489 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2490 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2491 echo "libopenjpeg enabled       ${libopenjpeg-no}"
2492 echo "libschroedinger enabled   ${libschroedinger-no}"
2493 echo "libspeex enabled          ${libspeex-no}"
2494 echo "libtheora enabled         ${libtheora-no}"
2495 echo "libvorbis enabled         ${libvorbis-no}"
2496 echo "libx264 enabled           ${libx264-no}"
2497 echo "libxvid enabled           ${libxvid-no}"
2498 echo "zlib enabled              ${zlib-no}"
2499 echo "bzlib enabled             ${bzlib-no}"
2500 echo
2501
2502 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2503     echo "Enabled ${type}s:"
2504     eval list=\$$(toupper $type)_LIST
2505     for part in $list; do
2506         enabled $part && echo ${part%_*}
2507     done | sort | pr -3 -t
2508     echo
2509 done
2510
2511 license="LGPL version 2.1 or later"
2512 if enabled nonfree; then
2513     license="nonfree and unredistributable"
2514 elif enabled gplv3; then
2515     license="GPL version 3 or later"
2516 elif enabled lgplv3; then
2517     license="LGPL version 3 or later"
2518 elif enabled gpl; then
2519     license="GPL version 2 or later"
2520 fi
2521
2522 echo "License: $license"
2523
2524 echo "Creating config.mak and config.h..."
2525
2526 echo "# Automatically generated by configure - do not modify!" > config.mak
2527 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2528 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2529 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2530 echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2531 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2532
2533 echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2534 echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2535
2536 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2537 echo "prefix=$prefix" >> config.mak
2538 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2539 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2540 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2541 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2542 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2543 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2544 echo "SRC_PATH=\"$source_path\"" >> config.mak
2545 echo "SRC_PATH_BARE=$source_path" >> config.mak
2546 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2547 echo "CC=$cc" >> config.mak
2548 echo "AS=$as" >> config.mak
2549 echo "LD=$ld" >> config.mak
2550 echo "DEPCC=$dep_cc" >> config.mak
2551 echo "YASM=$yasmexe" >> config.mak
2552 echo "AR=$ar" >> config.mak
2553 echo "RANLIB=$ranlib" >> config.mak
2554 echo "LN_S=$ln_s" >> config.mak
2555 enabled stripping &&
2556     echo "STRIP=$strip" >> config.mak ||
2557     echo "STRIP=echo ignoring strip" >> config.mak
2558
2559 echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2560 echo "CFLAGS=$CFLAGS" >> config.mak
2561 echo "ASFLAGS=$ASFLAGS" >> config.mak
2562 echo "CC_O=$CC_O" >> config.mak
2563 echo "LDFLAGS=$LDFLAGS" >> config.mak
2564 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2565 echo "SHFLAGS=$SHFLAGS" >> config.mak
2566 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2567 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2568 echo "BUILD_STATIC=$static" >> config.mak
2569 echo "BUILDSUF=$build_suffix" >> config.mak
2570 echo "FULLNAME=$FULLNAME" >> config.mak
2571 echo "LIBPREF=$LIBPREF" >> config.mak
2572 echo "LIBSUF=$LIBSUF" >> config.mak
2573 echo "LIBNAME=$LIBNAME" >> config.mak
2574 echo "SLIBPREF=$SLIBPREF" >> config.mak
2575 echo "SLIBSUF=$SLIBSUF" >> config.mak
2576 echo "EXESUF=$EXESUF" >> config.mak
2577 echo "EXTRA_VERSION=$extra_version" >> config.mak
2578 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2579 echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2580 echo "HOSTCC=$host_cc" >> config.mak
2581 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2582 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2583 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2584 echo "HOSTLIBS=$host_libs" >> config.mak
2585 echo "TARGET_EXEC=$target_exec" >> config.mak
2586 echo "TARGET_PATH=$target_path" >> config.mak
2587
2588 if enabled bigendian; then
2589     echo "WORDS_BIGENDIAN=yes" >> config.mak
2590     echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2591 fi
2592
2593 if enabled sdl; then
2594     echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2595     echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2596 fi
2597 if enabled texi2html; then
2598     echo "BUILD_DOC=yes" >> config.mak
2599 fi
2600
2601 get_version(){
2602     name=$1
2603     file=$source_path/$2
2604     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2605     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2606     lcname=$(tolower $name)
2607     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2608     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2609 }
2610
2611 get_version LIBSWSCALE  libswscale/swscale.h
2612 get_version LIBPOSTPROC libpostproc/postprocess.h
2613 get_version LIBAVCODEC  libavcodec/avcodec.h
2614 get_version LIBAVDEVICE libavdevice/avdevice.h
2615 get_version LIBAVFORMAT libavformat/avformat.h
2616 get_version LIBAVUTIL   libavutil/avutil.h
2617 get_version LIBAVFILTER libavfilter/avfilter.h
2618
2619 if enabled shared; then
2620     echo "BUILD_SHARED=yes" >> config.mak
2621     echo "PIC=-fPIC -DPIC" >> config.mak
2622     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2623     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2624     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2625     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2626     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2627     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2628     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2629     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2630 fi
2631 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2632 echo "EXTRALIBS=$extralibs" >> config.mak
2633
2634 echo "ARCH=$arch" >> config.mak
2635
2636 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2637 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2638 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2639                                       $CONFIG_EXTRA      \
2640                                       $DECODER_LIST      \
2641                                       $ENCODER_LIST      \
2642                                       $HWACCEL_LIST      \
2643                                       $PARSER_LIST       \
2644                                       $BSF_LIST          \
2645                                       $DEMUXER_LIST      \
2646                                       $MUXER_LIST        \
2647                                       $FILTER_LIST       \
2648                                       $PROTOCOL_LIST     \
2649                                       $INDEV_LIST        \
2650                                       $OUTDEV_LIST       \
2651
2652 echo "#define restrict $_restrict" >> $TMPH
2653
2654 if enabled small; then
2655     echo "#define av_always_inline"  >> $TMPH
2656 fi
2657
2658
2659 # Apparently it's not possible to portably echo a backslash.
2660 enabled asmalign_pot &&
2661     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2662     printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2663
2664 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2665
2666 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2667 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2668
2669 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2670 cmp -s $TMPH config.h &&
2671     echo "config.h is unchanged" ||
2672     mv -f $TMPH config.h
2673
2674 # build tree in object directory if source path is different from current one
2675 if enabled source_path_used; then
2676     DIRS="\
2677         doc               \
2678         libavcodec        \
2679         libavcodec/alpha  \
2680         libavcodec/arm    \
2681         libavcodec/bfin   \
2682         libavcodec/mlib   \
2683         libavcodec/ppc    \
2684         libavcodec/sh4    \
2685         libavcodec/sparc  \
2686         libavcodec/x86    \
2687         libavdevice       \
2688         libavfilter       \
2689         libavformat       \
2690         libavutil         \
2691         libpostproc       \
2692         libswscale        \
2693         libswscale/bfin   \
2694         libswscale/mlib   \
2695         libswscale/ppc    \
2696         libswscale/sparc  \
2697         libswscale/x86    \
2698         tests             \
2699         tools             \
2700         "
2701     FILES="\
2702         Makefile             \
2703         common.mak           \
2704         subdir.mak           \
2705         doc/texi2pod.pl      \
2706         libavcodec/Makefile  \
2707         libavdevice/Makefile \
2708         libavfilter/Makefile \
2709         libavformat/Makefile \
2710         libavutil/Makefile   \
2711         libpostproc/Makefile \
2712         libswscale/Makefile  \
2713         "
2714     for dir in $DIRS ; do
2715         mkdir -p $dir
2716     done
2717     for f in $FILES ; do
2718         $ln_s "$source_path/$f" $f
2719     done
2720 fi
2721
2722
2723 # build pkg-config files
2724
2725 pkgconfig_generate(){
2726 name=$1
2727 shortname=${name#lib}${build_suffix}
2728 comment=$2
2729 version=$3
2730 libs=$4
2731 requires=$5
2732 cat <<EOF > $name/$name.pc
2733 prefix=$prefix
2734 exec_prefix=\${prefix}
2735 libdir=$libdir
2736 includedir=$incdir
2737
2738 Name: $name
2739 Description: $comment
2740 Version: $version
2741 Requires: $(disabled shared && echo $requires)
2742 Requires.private: $(enabled shared && echo $requires)
2743 Conflicts:
2744 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2745 Libs.private: $(enabled shared && echo $libs)
2746 Cflags: -I\${includedir}
2747 EOF
2748 cat <<EOF > $name/$name-uninstalled.pc
2749 prefix=
2750 exec_prefix=
2751 libdir=\${pcfiledir}
2752 includedir=${source_path}
2753
2754 Name: $name
2755 Description: $comment
2756 Version: $version
2757 Requires: $requires
2758 Conflicts:
2759 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2760 Cflags: -I\${includedir}
2761 EOF
2762 }
2763
2764 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2765 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2766 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2767 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2768 enabled avfilter &&
2769     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2770 enabled postproc &&
2771     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2772 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"