configure

   1 #!/bin/sh
   2 #
   3 # FFmpeg configure script
   4 #
   5 # Copyright (c) 2000, 2001, 2002 Fabrice Bellard
   6 # Copyright (c) 2005-2006 Diego Biurrun
   7 # Copyright (c) 2005-2006 Mans Rullgard
   8 #
   9
  10 # make sure we are running under a compatible shell
  11 # try to make this part work with most shells
  12
  13 try_exec(){
  14     echo "Trying shell $1"
  15     type "$1" >/dev/null 2>&1 && exec "$@"
  16 }
  17
  18 unset foo
  19 (: ${foo%%bar}) 2>/dev/null
  20 E1="$?"
  21
  22 (: ${foo?}) 2>/dev/null
  23 E2="$?"
  24
  25 if test "$E1" != 0 || test "$E2" = 0; then
  26     echo "Broken shell detected.  Trying alternatives."
  27     export FF_CONF_EXEC
  28     if test "0$FF_CONF_EXEC" -lt 1; then
  29         FF_CONF_EXEC=1
  30         try_exec bash "$0" "$@"
  31     fi
  32     if test "0$FF_CONF_EXEC" -lt 2; then
  33         FF_CONF_EXEC=2
  34         try_exec ksh "$0" "$@"
  35     fi
  36     if test "0$FF_CONF_EXEC" -lt 3; then
  37         FF_CONF_EXEC=3
  38         try_exec /usr/xpg4/bin/sh "$0" "$@"
  39     fi
  40     echo "No compatible shell script interpreter found."
  41     echo "This configure script requires a POSIX-compatible shell"
  42     echo "such as bash or ksh."
  43     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  44     echo "Instead, install a working POSIX-compatible shell."
  45     echo "Disabling this configure test will create a broken FFmpeg."
  46     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  47         echo "This bash version ($BASH_VERSION) is broken on your platform."
  48         echo "Upgrade to a later version if available."
  49     fi
  50     exit 1
  51 fi
  52
  53 show_help(){
  54   echo "Usage: configure [options]"
  55   echo "Options: [defaults in brackets after descriptions]"
  56   echo
  57   echo "Standard options:"
  58   echo "  --help                   print this message"
  59   echo "  --log[=FILE|yes|no]      log tests and output to FILE [config.err]"
  60   echo "  --prefix=PREFIX          install in PREFIX [$PREFIX]"
  61   echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
  62   echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
  63   echo "  --incdir=DIR             install includes in DIR [PREFIX/include/ffmpeg]"
  64   echo "  --mandir=DIR             install man page in DIR [PREFIX/man]"
  65   echo "  --enable-mingw32         enable MinGW native/cross Windows compile"
  66   echo "  --enable-mingwce         enable MinGW native/cross WinCE compile"
  67   echo "  --enable-static          build static libraries [default=yes]"
  68   echo "  --disable-static         do not build static libraries [default=no]"
  69   echo "  --enable-shared          build shared libraries [default=no]"
  70   echo "  --disable-shared         do not build shared libraries [default=yes]"
  71   echo "  --enable-pp              enable GPLed postprocessing support [default=no]"
  72   echo "  --enable-swscaler        software scaler support [default=no]"
  73   echo "  --enable-sunmlib         use Sun medialib [default=no]"
  74   echo "  --enable-beosthreads     use BeOS threads [default=no]"
  75   echo "  --enable-os2threads      use OS/2 threads [default=no]"
  76   echo "  --enable-pthreads        use pthreads [default=no]"
  77   echo "  --enable-w32threads      use Win32 threads [default=no]"
  78   echo "  --enable-x11grab         enable X11 grabbing [default=no]"
  79   echo "  --enable-dc1394          enable IIDC-1394 grabbing using libdc1394"
  80   echo "                           and libraw1394 [default=no]"
  81   echo "  --enable-a52             enable GPLed liba52 support [default=no]"
  82   echo "  --enable-a52bin          open liba52.so.0 at runtime [default=no]"
  83   echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"
  84   echo "  --enable-dts             enable GPLed libdts support [default=no]"
  85   echo "  --enable-faac            enable FAAC support via libfaac [default=no]"
  86   echo "  --enable-faad            enable FAAD support via libfaad [default=no]"
  87   echo "  --enable-faadbin         build FAAD support with runtime linking [default=no]"
  88   echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
  89   echo "  --enable-mp3lame         enable MP3 encoding via libmp3lame [default=no]"
  90   echo "  --enable-libnut          enable NUT support via libnut [default=no]"
  91   echo "  --enable-libogg          enable Ogg support via libogg [default=no]"
  92   echo "  --enable-libtheora       enable Theora support via libtheora [default=no]"
  93   echo "  --enable-vorbis          enable Vorbis support via libvorbis [default=no]"
  94   echo "  --enable-x264            enable H.264 encoding via x264 [default=no]"
  95   echo "  --enable-xvid            enable Xvid encoding via xvidcore [default=no]"
  96   echo "  --enable-amr_nb          enable amr_nb float audio codec"
  97   echo "  --enable-amr_nb-fixed    use fixed point for amr-nb codec"
  98   echo "  --enable-amr_wb          enable amr_wb float audio codec"
  99   echo "  --enable-amr_if2         enable amr_wb IF2 audio codec"
 100   echo "  --enable-gpl             allow use of GPL code, the resulting libav*"
 101   echo "                           and ffmpeg will be under GPL [default=no]"
 102   echo ""
 103   echo "Advanced options (experts only):"
 104   echo "  --source-path=PATH       path to source code [$source_path]"
 105   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 106   echo "  --cross-compile          assume a cross-compiler is used"
 107   echo "  --cc=CC                  use C compiler CC [$cc]"
 108   echo "  --make=MAKE              use specified make [$make]"
 109   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 110   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 111   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 112   echo "  --build-suffix=SUFFIX    suffix for application specific build []"
 113   echo "  --arch=ARCH              select architecture  [$arch]"
 114   echo "  --cpu=CPU                selects the minimum cpu required (affects
 115                                    instruction selection, may crash on older CPUs)"
 116   echo "  --powerpc-perf-enable    enable performance report on PPC"
 117   echo "                           (requires enabling PMC)"
 118   echo "  --disable-mmx            disable MMX usage"
 119   echo "  --disable-armv5te        disable armv5te usage"
 120   echo "  --disable-armv6          disable armv6 usage"
 121   echo "  --disable-iwmmxt         disable iwmmxt usage"
 122   echo "  --disable-altivec        disable AltiVec usage"
 123   echo "  --disable-audio-oss      disable OSS audio support [default=no]"
 124   echo "  --disable-audio-beos     disable BeOS audio support [default=no]"
 125   echo "  --disable-v4l            disable video4linux grabbing [default=no]"
 126   echo "  --disable-v4l2           disable video4linux2 grabbing [default=no]"
 127   echo "  --disable-bktr           disable bktr video grabbing [default=no]"
 128   echo "  --disable-dv1394         disable DV1394 grabbing [default=no]"
 129   echo "  --disable-network        disable network support [default=no]"
 130   echo "  --disable-ipv6           disable ipv6 support [default=no]"
 131   echo "  --disable-zlib           disable zlib [default=no]"
 132   echo "  --disable-vhook          disable video hooking support"
 133   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 134   echo "  --disable-debug          disable debugging symbols"
 135   echo "  --disable-opts           disable compiler optimizations"
 136   echo "  --enable-extra-warnings  enable more compiler warnings"
 137   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 138   echo "                           MPEG audio decoding [default=no]"
 139   echo "  --disable-protocols      disable I/O protocols support [default=no]"
 140   echo "  --disable-ffmpeg         disable ffmpeg build"
 141   echo "  --disable-ffserver       disable ffserver build"
 142   echo "  --disable-ffplay         disable ffplay build"
 143   echo "  --enable-small           optimize for size instead of speed"
 144   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 145   echo "  --disable-strip          disable stripping of executables and shared libraries"
 146   echo "  --disable-encoder=NAME   disables encoder NAME"
 147   echo "  --enable-encoder=NAME    enables encoder NAME"
 148   echo "  --disable-decoder=NAME   disables decoder NAME"
 149   echo "  --enable-decoder=NAME    enables decoder NAME"
 150   echo "  --disable-encoders       disables all encoders"
 151   echo "  --disable-decoders       disables all decoders"
 152   echo "  --disable-muxer=NAME     disables muxer NAME"
 153   echo "  --enable-muxer=NAME      enables muxer NAME"
 154   echo "  --disable-muxers         disables all muxers"
 155   echo "  --disable-demuxer=NAME   disables demuxer NAME"
 156   echo "  --enable-demuxer=NAME    enables demuxer NAME"
 157   echo "  --disable-demuxers       disables all demuxers"
 158   echo "  --enable-parser=NAME     enables parser NAME"
 159   echo "  --disable-parser=NAME    disables parser NAME"
 160   echo "  --disable-parsers        disables all parsers"
 161   echo ""
 162   echo "NOTE: Object files are built at the place where configure is launched."
 163   exit 1
 164 }
 165
 166 log(){
 167     echo "$@" >>$logfile
 168 }
 169
 170 log_file(){
 171     log BEGIN $1
 172     cat -n $1 >>$logfile
 173     log END $1
 174 }
 175
 176 echolog(){
 177     log "$@"
 178     echo "$@"
 179 }
 180
 181 die(){
 182     echolog "$@"
 183     cat <<EOF
 184 If you think configure made a mistake, make sure you are using the latest
 185 version from SVN.  If the latest version fails, report the problem to the
 186 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 187 EOF
 188     if enabled logging; then
 189         cat <<EOF
 190 Include the log file "$logfile" produced by configure as this will help
 191 solving the problem.
 192 EOF
 193     else
 194 cat <<EOF
 195 Rerun configure with logging enabled (do not use --log=no), and include the
 196 log this produces with your report.
 197 EOF
 198     fi
 199     rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
 200     exit 1
 201 }
 202
 203 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
 204 toupper(){
 205     echo "$@" | tr '[a-z]' '[A-Z]'
 206 }
 207
 208 set_all(){
 209     value=$1
 210     shift
 211     for var in $*; do
 212         eval $var=$value
 213     done
 214 }
 215
 216 enable(){
 217     set_all yes $*
 218 }
 219
 220 disable(){
 221     set_all no $*
 222 }
 223
 224 enabled(){
 225     eval test "x\$$1" = "xyes"
 226 }
 227
 228 disabled(){
 229     eval test "x\$$1" = "xno"
 230 }
 231
 232 enabled_all(){
 233     for opt; do
 234         enabled $opt || return 1
 235     done
 236 }
 237
 238 disabled_all(){
 239     for opt; do
 240         disabled $opt || return 1
 241     done
 242 }
 243
 244 enabled_any(){
 245     for opt; do
 246         enabled $opt && return 0
 247     done
 248 }
 249
 250 disabled_any(){
 251     for opt; do
 252         disabled $opt && return 0
 253     done
 254 }
 255
 256 check_deps(){
 257     for cfg; do
 258         eval dep_all="\$${cfg}_deps"
 259         eval dep_any="\$${cfg}_deps_any"
 260         enabled_all $dep_all || disable $cfg
 261         enabled_any $dep_any || disable $cfg
 262     done
 263 }
 264
 265 print_config(){
 266     pfx=$1
 267     header=$2
 268     makefile=$3
 269     shift 3
 270     for cfg; do
 271         if enabled $cfg; then
 272             ucname="${pfx}`toupper $cfg`"
 273             echo "#define ${ucname} 1" >> $header
 274             echo "${ucname}=yes" >> $makefile
 275         fi
 276     done
 277 }
 278
 279 flags_saved(){
 280     (: ${SAVE_CFLAGS?}) 2>/dev/null
 281 }
 282
 283 save_flags(){
 284     flags_saved && return
 285     SAVE_CFLAGS="$CFLAGS"
 286     SAVE_LDFLAGS="$LDFLAGS"
 287     SAVE_extralibs="$extralibs"
 288 }
 289
 290 restore_flags(){
 291     CFLAGS="$SAVE_CFLAGS"
 292     LDFLAGS="$SAVE_LDFLAGS"
 293     extralibs="$SAVE_extralibs"
 294     unset SAVE_CFLAGS
 295     unset SAVE_LDFLAGS
 296     unset SAVE_extralibs
 297 }
 298
 299 temp_cflags(){
 300     save_flags
 301     CFLAGS="$CFLAGS $*"
 302 }
 303
 304 temp_ldflags(){
 305     save_flags
 306     LDFLAGS="$LDFLAGS $*"
 307 }
 308
 309 temp_extralibs(){
 310     save_flags
 311     extralibs="$extralibs $*"
 312 }
 313
 314 append(){
 315     var=$1
 316     shift
 317     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 318     eval "$var=\"\$$var $*\""
 319 }
 320
 321 add_cflags(){
 322     append CFLAGS "$@"
 323 }
 324
 325 add_ldflags(){
 326     append LDFLAGS "$@"
 327 }
 328
 329 add_extralibs(){
 330     append extralibs "$@"
 331 }
 332
 333 check_cmd(){
 334     log "$@"
 335     "$@" >>$logfile 2>&1
 336 }
 337
 338 check_cc(){
 339     log check_cc "$@"
 340     cat >$TMPC
 341     log_file $TMPC
 342     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 343 }
 344
 345 check_cpp(){
 346     log check_cpp "$@"
 347     cat >$TMPC
 348     log_file $TMPC
 349     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 350 }
 351
 352 check_ld(){
 353     log check_ld "$@"
 354     check_cc || return
 355     check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
 356 }
 357
 358 check_cflags(){
 359     log check_cflags "$@"
 360     check_cc "$@" <<EOF && add_cflags "$@"
 361 int x;
 362 EOF
 363 }
 364
 365 check_ldflags(){
 366     log check_ldflags "$@"
 367     check_ld "$@" <<EOF && add_ldflags "$@"
 368 int main(){
 369     return 0;
 370 }
 371 EOF
 372 }
 373
 374 check_header(){
 375     log check_header "$@"
 376     header=$1
 377     shift
 378     check_cpp "$@" <<EOF
 379 #include <$header>
 380 int x;
 381 EOF
 382     err=$?
 383     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 384     test "$err" = 0 && enable $var || disable $var
 385     return $err
 386 }
 387
 388 check_func(){
 389     log check_func "$@"
 390     func=$1
 391     shift
 392     check_ld "$@" <<EOF
 393 extern int $func();
 394 int main(){
 395     $func();
 396 }
 397 EOF
 398     err=$?
 399     test "$err" = 0 && enable $func || disable $func
 400     return $err
 401 }
 402
 403 check_lib(){
 404     log check_lib "$@"
 405     header="$1"
 406     func="$2"
 407     shift 2
 408     temp_extralibs "$@"
 409     check_header $header && check_func $func && add_extralibs "$@"
 410     err=$?
 411     restore_flags
 412     return $err
 413 }
 414
 415 check_exec(){
 416     check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
 417 }
 418
 419 require(){
 420     name="$1"
 421     header="$2"
 422     func="$3"
 423     shift 3
 424     check_lib $header $func "$@" || die "ERROR: $name not found"
 425 }
 426
 427 apply(){
 428     file=$1
 429     shift
 430     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 431 }
 432
 433 CONFIG_LIST='
 434     encoders
 435     decoders
 436     parsers
 437     muxers
 438     demuxers
 439     amr
 440     amr_nb
 441     amr_nb_fixed
 442     amr_wb
 443     audio_beos
 444     audio_oss
 445     avisynth
 446     beos_netserver
 447     bktr
 448     dc1394
 449     dv1394
 450     ffmpeg
 451     ffplay
 452     ffserver
 453     gpl
 454     ipv6
 455     liba52
 456     liba52bin
 457     libdts
 458     libfaac
 459     libfaad
 460     libfaadbin
 461     libgsm
 462     libmp3lame
 463     libnut
 464     libogg
 465     libtheora
 466     libvorbis
 467     memalign_hack
 468     mpegaudio_hp
 469     network
 470     pp
 471     protocols
 472     swscaler
 473     vhook
 474     video4linux
 475     video4linux2
 476     wince
 477     x11grab
 478     x264
 479     xvid
 480     zlib
 481 '
 482
 483 HAVE_LIST='
 484     altivec
 485     altivec_h
 486     armv5te
 487     armv6
 488     beosthreads
 489     byteswap_h
 490     cmov
 491     dcbzl
 492     dev_bktr_ioctl_bt848_h
 493     dev_bktr_ioctl_meteor_h
 494     dev_ic_bt8xx_h
 495     dev_video_meteor_ioctl_meteor_h
 496     dev_video_bktr_ioctl_bt848_h
 497     dlfcn_h
 498     dlopen
 499     fast_cmov
 500     freetype2
 501     gprof
 502     imlib2
 503     inet_aton
 504     iwmmxt
 505     localtime_r
 506     lrintf
 507     machine_ioctl_bt848_h
 508     machine_ioctl_meteor_h
 509     malloc_h
 510     memalign
 511     mlib
 512     mmi
 513     mmx
 514     os2
 515     os2threads
 516     pthreads
 517     sdl
 518     sdl_video_size
 519     threads
 520     w32threads
 521 '
 522
 523 TARGET_LIST='
 524     altivec
 525     armv5te
 526     iwmmxt
 527     mmi
 528     mmx
 529 '
 530
 531 flashsv_decoder_deps="zlib"
 532 flashsv_encoder_deps="zlib"
 533 mpeg_xvmc_decoder_deps="xvmc"
 534 png_decoder_deps="zlib"
 535 png_encoder_deps="zlib"
 536 x264_encoder_deps="x264"
 537 xvid_encoder_deps="xvid"
 538 zmbv_decoder_deps="zlib"
 539 zmbv_encoder_deps="zlib"
 540
 541 aac_decoder_deps="libfaad"
 542 mpeg4aac_decoder_deps="libfaad"
 543 ac3_decoder_deps="liba52"
 544 amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
 545 amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
 546 amr_wb_decoder_deps="amr_wb"
 547 amr_wb_encoder_deps="amr_wb"
 548 dts_decoder_deps="libdts"
 549 faac_encoder_deps="libfaac"
 550 libgsm_decoder_deps="libgsm"
 551 libgsm_encoder_deps="libgsm"
 552 libtheora_encoder_deps="libtheora"
 553 mp3lame_encoder_deps="libmp3lame"
 554 oggvorbis_decoder_deps="libvorbis"
 555 oggvorbis_encoder_deps="libvorbis"
 556
 557 audio_demuxer_deps_any="audio_oss audio_beos"
 558 audio_muxer_deps_any="audio_oss audio_beos"
 559 dc1394_demuxer_deps="dc1394"
 560 dv1394_demuxer_deps="dv1394"
 561 gxf_muxer_deps="gpl"
 562 nut_muxer_deps="libnut"
 563 ogg_muxer_deps="libogg"
 564 redir_demuxer_deps="network"
 565 rtp_muxer_deps="network"
 566 rtsp_demuxer_deps="network"
 567 sdp_demuxer_deps="network"
 568 v4l2_demuxer_deps="video4linux2"
 569 video_grab_device_demuxer_deps_any="video4linux bktr"
 570 x11_grab_device_demuxer_deps="x11grab"
 571
 572 # set temporary file name
 573 if test ! -z "$TMPDIR" ; then
 574     TMPDIR1="${TMPDIR}"
 575 elif test ! -z "$TEMPDIR" ; then
 576     TMPDIR1="${TEMPDIR}"
 577 else
 578     TMPDIR1="/tmp"
 579 fi
 580
 581 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
 582 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
 583 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
 584 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
 585 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
 586
 587 # default parameters
 588 logging="yes"
 589 logfile="config.err"
 590 PREFIX="/usr/local"
 591 libdir='${PREFIX}/lib'
 592 shlibdir="$libdir"
 593 incdir='${PREFIX}/include/ffmpeg'
 594 mandir='${PREFIX}/man'
 595 bindir='${PREFIX}/bin'
 596 cross_prefix=""
 597 cross_compile="no"
 598 cc="gcc"
 599 ar="ar"
 600 ranlib="ranlib"
 601 make="make"
 602 strip="strip"
 603 arch=`uname -m`
 604 cpu="generic"
 605 powerpc_perf="no"
 606 mmx="default"
 607 cmov="no"
 608 fast_cmov="no"
 609 armv5te="default"
 610 armv6="default"
 611 iwmmxt="default"
 612 altivec="default"
 613 dcbzl="no"
 614 mmi="default"
 615 case "$arch" in
 616   i386|i486|i586|i686|i86pc|BePC)
 617     arch="x86_32"
 618   ;;
 619   x86_64|amd64)
 620     arch="x86_32"
 621     canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
 622     if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
 623       if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
 624         arch="x86_64"
 625       fi
 626     fi
 627   ;;
 628   # armv4l is a subset of armv[567]*l
 629   arm|armv[4567]*l)
 630     arch="armv4l"
 631   ;;
 632   alpha)
 633     arch="alpha"
 634   ;;
 635   "Power Macintosh"|ppc|ppc64|powerpc)
 636     arch="powerpc"
 637   ;;
 638   mips|mipsel|IP*)
 639     arch="mips"
 640   ;;
 641   sun4u|sparc64)
 642     arch="sparc64"
 643   ;;
 644   sparc)
 645     arch="sparc"
 646   ;;
 647   sh4)
 648     arch="sh4"
 649   ;;
 650   parisc|parisc64)
 651     arch="parisc"
 652   ;;
 653   s390|s390x)
 654     arch="s390"
 655   ;;
 656   m68k)
 657     arch="m68k"
 658   ;;
 659   ia64)
 660     arch="ia64"
 661   ;;
 662   bfin)
 663     arch="bfin"
 664   ;;
 665   *)
 666     arch="unknown"
 667   ;;
 668 esac
 669 gprof="no"
 670 video4linux="yes"
 671 video4linux2="yes"
 672 bktr="no"
 673 audio_oss="yes"
 674 audio_beos="no"
 675 x11grab="no"
 676 dv1394="yes"
 677 dc1394="no"
 678 network="yes"
 679 ipv6="yes"
 680 zlib="yes"
 681 liba52="no"
 682 liba52bin="no"
 683 libdts="no"
 684 libfaac="no"
 685 libfaad="no"
 686 libfaadbin="no"
 687 libgsm="no"
 688 libmp3lame="no"
 689 libnut="no"
 690 libogg="no"
 691 libtheora="no"
 692 libvorbis="no"
 693 xvid="no"
 694 x264="no"
 695 pp="no"
 696 mingw32="no"
 697 wince="no"
 698 os2="no"
 699 lstatic="yes"
 700 lshared="no"
 701 optimize="yes"
 702 debug="yes"
 703 extrawarnings="no"
 704 dostrip="yes"
 705 extralibs="-lm"
 706 bigendian="no"
 707 vhook="default"
 708 avisynth="no"
 709 dlfcn_h="no"
 710 dlopen="no"
 711 mpegaudio_hp="yes"
 712 SHFLAGS='-shared -Wl,-soname,$@'
 713 VHOOKSHFLAGS='$(SHFLAGS)'
 714 beos_netserver="no"
 715 protocols="yes"
 716 ffmpeg="yes"
 717 ffserver="yes"
 718 ffplay="yes"
 719 LIBOBJFLAGS=""
 720 FFLDFLAGS=-Wl,--warn-common
 721 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
 722 FFSERVERLDFLAGS=-Wl,-E
 723 LDCONFIG="ldconfig"
 724 LIBPREF="lib"
 725 LIBSUF=".a"
 726 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
 727 SLIBPREF="lib"
 728 SLIBSUF=".so"
 729 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
 730 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
 731 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
 732 EXESUF=""
 733 BUILDSUF=""
 734 amr_nb="no"
 735 amr_wb="no"
 736 amr_nb_fixed="no"
 737 amr_if2="no"
 738 mlib="no"
 739 beosthreads="no"
 740 os2threads="no"
 741 pthreads="no"
 742 w32threads="no"
 743 thread_type="no"
 744 swscaler="no"
 745 gpl="no"
 746 memalign_hack="no"
 747 asmalign_pot="unknown"
 748 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
 749
 750 # OS specific
 751 targetos=`uname -s`
 752 case $targetos in
 753 BeOS)
 754 PREFIX="/boot/home/config"
 755 # helps building libavcodec
 756 add_cflags "-DPIC -fomit-frame-pointer"
 757 # 3 gcc releases known for BeOS, each with ugly bugs
 758 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
 759 case "$gcc_version" in
 760 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
 761 mmx="no"
 762 ;;
 763 *20010315*) echo "BeBits gcc"
 764 add_cflags "-fno-expensive-optimizations"
 765 ;;
 766 esac
 767 SHFLAGS=-nostart
 768 # disable Linux things
 769 audio_oss="no"
 770 video4linux="no"
 771 video4linux2="no"
 772 dv1394="no"
 773 # enable BeOS things
 774 audio_beos="yes"
 775 # no need for libm, but the inet stuff
 776 # Check for BONE
 777 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
 778 extralibs="-lbind -lsocket"
 779 else
 780 beos_netserver="yes"
 781 extralibs="-lnet"
 782 fi ;;
 783 SunOS)
 784 video4linux="no"
 785 video4linux2="no"
 786 audio_oss="no"
 787 dv1394="no"
 788 make="gmake"
 789 FFLDFLAGS=""
 790 FFSERVERLDFLAGS=""
 791 SHFLAGS="-shared -Wl,-h,\$@"
 792 add_extralibs "-lsocket -lnsl"
 793 ;;
 794 NetBSD)
 795 video4linux="no"
 796 video4linux2="no"
 797 bktr="yes"
 798 audio_oss="yes"
 799 dv1394="no"
 800 make="gmake"
 801 add_extralibs "-lossaudio"
 802 ;;
 803 OpenBSD)
 804 video4linux="no"
 805 video4linux2="no"
 806 bktr="yes"
 807 audio_oss="yes"
 808 dv1394="no"
 809 need_memalign="no"
 810 make="gmake"
 811 LIBOBJFLAGS="\$(PIC)"
 812 LDCONFIG="ldconfig -m \$(shlibdir)"
 813 SHFLAGS='-shared'
 814 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
 815 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
 816 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
 817 add_extralibs "-lossaudio"
 818 ;;
 819 FreeBSD)
 820 video4linux="no"
 821 video4linux2="no"
 822 bktr="yes"
 823 audio_oss="yes"
 824 dv1394="no"
 825 make="gmake"
 826 need_memalign="no"
 827 add_cflags "-pthread"
 828 ;;
 829 GNU/kFreeBSD)
 830 video4linux="no"
 831 video4linux2="no"
 832 bktr="yes"
 833 audio_oss="yes"
 834 dv1394="no"
 835 add_cflags "-pthread"
 836 ;;
 837 BSD/OS)
 838 video4linux="no"
 839 video4linux2="no"
 840 bktr="yes"
 841 audio_oss="yes"
 842 dv1394="no"
 843 extralibs="-lpoll -lgnugetopt -lm"
 844 make="gmake"
 845 strip="strip -d"
 846 ;;
 847 Darwin)
 848 cc="cc"
 849 video4linux="no"
 850 video4linux2="no"
 851 audio_oss="no"
 852 dv1394="no"
 853 need_memalign="no"
 854 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
 855 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
 856 extralibs=""
 857 strip="strip -x"
 858 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
 859 SLIBSUF=".dylib"
 860 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
 861 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
 862 FFSERVERLDFLAGS=-Wl,-bind_at_load
 863 ;;
 864 MINGW32*)
 865 # Note: the rest of the mingw32 config is done afterwards as mingw32
 866 # can be forced on the command line for Linux cross compilation.
 867 mingw32="yes"
 868 ;;
 869 CYGWIN*)
 870 targetos=CYGWIN
 871 shlibdir="$bindir"
 872 video4linux="no"
 873 video4linux2="no"
 874 audio_oss="yes"
 875 dv1394="no"
 876 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
 877 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
 878 extralibs=""
 879 EXESUF=".exe"
 880 SLIBPREF="cyg"
 881 SLIBSUF=".dll"
 882 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
 883 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
 884 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
 885 ;;
 886 Linux)
 887 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
 888 ;;
 889 IRIX*)
 890 targetos=IRIX
 891 ranlib="echo ignoring ranlib"
 892 video4linux="no"
 893 video4linux2="no"
 894 audio_oss="no"
 895 make="gmake"
 896 ;;
 897 OS/2)
 898 TMPE=$TMPE".exe"
 899 ar="emxomfar -p128"
 900 ranlib="echo ignoring ranlib"
 901 strip="echo ignoring strip"
 902 add_cflags "-Zomf"
 903 FFLDFLAGS="-Zomf -Zstack 16384 -s"
 904 SHFLAGS="-Zdll -Zomf"
 905 FFSERVERLDFLAGS=""
 906 LIBPREF=""
 907 LIBSUF=".lib"
 908 SLIBPREF=""
 909 SLIBSUF=".dll"
 910 EXESUF=".exe"
 911 extralibs=""
 912 pkg_requires=""
 913 video4linux="no"
 914 video4linux2="no"
 915 audio_oss="no"
 916 dv1394="no"
 917 ffserver="no"
 918 vhook="no"
 919 os2="yes"
 920 ;;
 921 *)
 922 targetos="${targetos}-UNKNOWN"
 923 ;;
 924 esac
 925
 926 # find source path
 927 source_path="`dirname \"$0\"`"
 928 source_path_used="yes"
 929 if test -z "$source_path" -o "$source_path" = "." ; then
 930     source_path="`pwd`"
 931     source_path_used="no"
 932 else
 933     source_path="`cd \"$source_path\"; pwd`"
 934     echo "$source_path" | grep -q '[[:blank:]]' &&
 935       die "Out of tree builds are impossible with whitespace in source path."
 936 fi
 937
 938 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
 939     show_help
 940 fi
 941
 942 FFMPEG_CONFIGURATION=" "
 943 for opt do
 944   FFMPEG_CONFIGURATION="$FFMPEG_CONFIGURATION""$opt "
 945 done
 946
 947 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
 948 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
 949 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
 950 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
 951 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
 952
 953 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
 954
 955 for opt do
 956   optval="${opt#*=}"
 957   case "$opt" in
 958   --log)
 959   ;;
 960   --log=*) logging="$optval"
 961   ;;
 962   --prefix=*) PREFIX="$optval"
 963   ;;
 964   --libdir=*) libdir="$optval"
 965   ;;
 966   --shlibdir=*) shlibdir="$optval"
 967   ;;
 968   --incdir=*) incdir="$optval"
 969   ;;
 970   --mandir=*) mandir="$optval"
 971   ;;
 972   --source-path=*) source_path="$optval"
 973   ;;
 974   --cross-prefix=*) cross_prefix="$optval"
 975   ;;
 976   --cross-compile) cross_compile=yes
 977   ;;
 978   --cc=*) cc="$optval"
 979   ;;
 980   --make=*) make="$optval"
 981   ;;
 982   --extra-cflags=*) add_cflags "$optval"
 983   ;;
 984   --extra-ldflags=*) add_ldflags "$optval"
 985   ;;
 986   --extra-libs=*) add_extralibs "$optval"
 987   ;;
 988   --build-suffix=*) BUILDSUF="$optval"
 989   ;;
 990   --arch=*) arch="$optval"
 991   ;;
 992   --cpu=*) cpu="$optval"
 993   ;;
 994   --powerpc-perf-enable) powerpc_perf="yes"
 995   ;;
 996   --disable-mmx) mmx="no"
 997   ;;
 998   --disable-armv5te) armv5te="no"
 999   ;;
1000   --disable-armv6) armv6="no"
1001   ;;
1002   --disable-iwmmxt) iwmmxt="no"
1003   ;;
1004   --disable-altivec) altivec="no"
1005   ;;
1006   --enable-gprof) gprof="yes"
1007   ;;
1008   --disable-v4l) video4linux="no"
1009   ;;
1010   --disable-v4l2) video4linux2="no"
1011   ;;
1012   --disable-bktr) bktr="no"
1013   ;;
1014   --disable-audio-oss) audio_oss="no"
1015   ;;
1016   --disable-audio-beos) audio_beos="no"
1017   ;;
1018   --disable-dv1394) dv1394="no"
1019   ;;
1020   --disable-network) network="no"; ffserver="no"
1021   ;;
1022   --disable-ipv6) ipv6="no";
1023   ;;
1024   --disable-zlib) zlib="no"
1025   ;;
1026   --enable-a52) liba52="yes"
1027   ;;
1028   --enable-a52bin) liba52bin="yes"
1029   ;;
1030   --enable-dts) libdts="yes"
1031   ;;
1032   --enable-pp) pp="yes"
1033   ;;
1034   --enable-libgsm) libgsm="yes"
1035   ;;
1036   --enable-mp3lame) libmp3lame="yes"
1037   ;;
1038   --enable-libnut) libnut="yes"
1039   ;;
1040   --enable-libogg) libogg="yes"
1041     pkg_requires="$pkg_requires ogg >= 1.1"
1042   ;;
1043   --enable-libtheora) libtheora="yes"
1044     pkg_requires="$pkg_requires theora"
1045   ;;
1046   --enable-vorbis) libvorbis="yes"
1047     pkg_requires="$pkg_requires vorbis vorbisenc"
1048   ;;
1049   --enable-faad) libfaad="yes"
1050   ;;
1051   --enable-faadbin) libfaadbin="yes"
1052   ;;
1053   --enable-faac) libfaac="yes"
1054   ;;
1055   --enable-xvid) xvid="yes"
1056   ;;
1057   --enable-x264) x264="yes"
1058   ;;
1059   --enable-avisynth) avisynth="yes";
1060   ;;
1061   --enable-x11grab) x11grab="yes";
1062   ;;
1063   --enable-dc1394) dc1394="yes"
1064     pkg_requires="$pkg_requires libraw1394"
1065   ;;
1066   --disable-vhook) vhook="no"
1067   ;;
1068   --enable-mingw32) mingw32="yes"
1069   ;;
1070   --enable-mingwce) wince="yes"
1071   ;;
1072   --enable-static) lstatic="yes"
1073   ;;
1074   --disable-static) lstatic="no"
1075   ;;
1076   --enable-shared) lshared="yes"
1077   ;;
1078   --disable-shared) lshared="no"
1079   ;;
1080   --disable-debug) debug="no"
1081   ;;
1082   --disable-opts) optimize="no"
1083   ;;
1084   --enable-extra-warnings) extrawarnings="yes"
1085   ;;
1086   --disable-mpegaudio-hp) mpegaudio_hp="no"
1087   ;;
1088   --disable-protocols) protocols="no"; network="no"; ffserver="no"
1089   ;;
1090   --disable-ffmpeg) ffmpeg="no"
1091   ;;
1092   --disable-ffserver) ffserver="no"
1093   ;;
1094   --disable-ffplay) ffplay="no"
1095   ;;
1096   --enable-small) optimize="small"
1097   ;;
1098   --enable-amr_nb) amr="yes"; amr_nb="yes"; amr_nb_fixed="no"
1099   ;;
1100   --enable-amr_nb-fixed) amr="yes"; amr_nb_fixed="yes"; amr_nb="no"
1101   ;;
1102   --enable-amr_wb) amr="yes"; amr_wb="yes"
1103   ;;
1104   --enable-amr_if2) amr="yes"; amr_if2="yes"
1105   ;;
1106   --enable-sunmlib) mlib="yes"
1107   ;;
1108   --enable-pthreads) pthreads="yes"
1109   ;;
1110   --enable-w32threads) w32threads="yes"
1111   ;;
1112   --enable-beosthreads) beosthreads="yes"
1113   ;;
1114   --enable-os2threads) os2threads="yes"
1115   ;;
1116   --enable-swscaler) swscaler="yes"
1117   ;;
1118   --enable-gpl) gpl="yes"
1119   ;;
1120   --enable-memalign-hack) memalign_hack="yes"
1121   ;;
1122   --disable-strip) dostrip="no"
1123   ;;
1124   --enable-encoder=*) enable ${optval}_encoder
1125   ;;
1126   --enable-decoder=*) enable ${optval}_decoder
1127   ;;
1128   --disable-encoder=*) disable ${optval}_encoder
1129   ;;
1130   --disable-decoder=*) disable ${optval}_decoder
1131   ;;
1132   --disable-encoders) disable $ENCODER_LIST
1133   ;;
1134   --disable-decoders) disable $DECODER_LIST
1135   ;;
1136   --enable-muxer=*) enable ${optval}_muxer
1137   ;;
1138   --disable-muxer=*) disable ${optval}_muxer
1139   ;;
1140   --disable-muxers) disable $MUXER_LIST; ffserver="no"
1141   ;;
1142   --enable-demuxer=*) enable ${optval}_demuxer
1143   ;;
1144   --disable-demuxer=*) disable ${optval}_demuxer
1145   ;;
1146   --disable-demuxers) disable $DEMUXER_LIST
1147   ;;
1148   --enable-parser=*) enable ${optval}_parser
1149   ;;
1150   --disable-parser=*) disable ${optval}_parser
1151   ;;
1152   --disable-parsers) disable $PARSER_LIST
1153   ;;
1154   --help) show_help
1155   ;;
1156   *)
1157   echo "Unknown option \"$opt\"."
1158   echo "See $0 --help for available options."
1159   exit 1
1160   ;;
1161   esac
1162 done
1163
1164 if ! disabled logging ; then
1165     enabled logging || logfile="$logging"
1166     echo "# $0 $@" >$logfile
1167     set >>$logfile
1168 else
1169     logfile=/dev/null
1170 fi
1171
1172 if enabled_any mingw32 wince; then
1173     if enabled_all lshared lstatic; then
1174         cat <<EOF
1175 You can only build one library type at once on MinGW.
1176 Specify --disable-static --enable-shared to only build
1177 the shared libraries. To build only the static libraries
1178 you do not need to pass additional options.
1179 EOF
1180         exit 1
1181     fi
1182     video4linux="no"
1183     video4linux2="no"
1184     audio_oss="no"
1185     dv1394="no"
1186     dc1394="no"
1187     ffserver="no"
1188     network="no"
1189     if enabled wince; then
1190         protocols="no"
1191     fi
1192     SLIBPREF=""
1193     SLIBSUF=".dll"
1194     EXESUF=".exe"
1195     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1196     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1197     SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1198     SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1199     SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1200 fi
1201
1202 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1203 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1204
1205 test -n "$cross_prefix" && cross_compile=yes
1206 cc="${cross_prefix}${cc}"
1207 ar="${cross_prefix}${ar}"
1208 ranlib="${cross_prefix}${ranlib}"
1209 strip="${cross_prefix}${strip}"
1210
1211 # we need to build at least one lib type
1212 if disabled_all lstatic lshared; then
1213     cat <<EOF
1214 At least one library type must be built.
1215 Specify --enable-static to build the static libraries or --enable-shared to
1216 build the shared libraries as well. To only build the shared libraries specify
1217 --disable-static in addition to --enable-shared.
1218 EOF
1219     exit 1;
1220 fi
1221
1222 if enabled libtheora && disabled libogg; then
1223     die "libogg must be enabled to enable libtheora."
1224 fi
1225
1226 if enabled libvorbis && disabled libogg; then
1227     die "libogg must be enabled to enable libvorbis."
1228 fi
1229
1230 if disabled gpl ; then
1231     if enabled pp; then
1232         die "The Postprocessing code is under GPL and --enable-gpl is not specified."
1233     fi
1234
1235     if enabled_any liba52 liba52bin ; then
1236         die "liba52 is under GPL and --enable-gpl is not specified."
1237     fi
1238
1239     if enabled xvid; then
1240         die "libxvidcore is under GPL and --enable-gpl is not specified."
1241     fi
1242
1243     if enabled x264; then
1244         die "x264 is under GPL and --enable-gpl is not specified."
1245     fi
1246
1247     if enabled libdts; then
1248         die "libdts is under GPL and --enable-gpl is not specified."
1249     fi
1250
1251     if enabled_any libfaad libfaadbin ; then
1252         if check_header faad.h; then
1253             check_cc << EOF
1254                 #include <faad.h>
1255                 #ifndef FAAD2_VERSION
1256                 ok faad1
1257                 #endif
1258                 int main( void ) { return 0; }
1259 EOF
1260             if test $? = 0 ; then
1261                 die "FAAD2 is under GPL and --enable-gpl is not specified."
1262             fi
1263         else
1264             libfaad="no"
1265             libfaadbin="no"
1266             echo "FAAD test failed."
1267         fi
1268     fi
1269
1270     if enabled x11grab; then
1271         die "The X11 grabber is under GPL and --enable-gpl is not specified."
1272     fi
1273
1274     if enabled swscaler; then
1275         die "The software scaler is under GPL and --enable-gpl is not specified."
1276     fi
1277 fi
1278
1279 # compute MMX state
1280 if test $mmx = "default"; then
1281     if test $arch = "x86_32" -o $arch = "x86_64"; then
1282         mmx="yes"
1283     else
1284         mmx="no"
1285     fi
1286 fi
1287
1288 test -z "$need_memalign" && need_memalign="$mmx"
1289
1290 #Darwin CC versions
1291 needmdynamicnopic="no"
1292 if test $targetos = Darwin; then
1293     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1294         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1295     else
1296         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1297         case "$gcc_version" in
1298             *2.95*)
1299                 add_cflags "-no-cpp-precomp -pipe"
1300                 ;;
1301             *[34].*)
1302                 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1303                 if disabled lshared; then
1304                    needmdynamicnopic="yes"
1305                 fi
1306                 ;;
1307             *)
1308                 add_cflags "-no-cpp-precomp -pipe"
1309                 if disabled lshared; then
1310                    needmdynamicnopic="yes"
1311                 fi
1312                 ;;
1313         esac
1314     fi
1315 fi
1316
1317 if ! disabled optimize ; then
1318     add_cflags "-fomit-frame-pointer"
1319 fi
1320
1321 # Can only do AltiVec on PowerPC
1322 if test $altivec = "default"; then
1323     if test $arch = "powerpc"; then
1324         altivec="yes"
1325     else
1326         altivec="no"
1327     fi
1328 fi
1329
1330 # Add processor-specific flags
1331 POWERPCMODE="32bits"
1332 if test $cpu != "generic"; then
1333     warn_altivec_enabled(){
1334         enabled altivec && echo "WARNING: Tuning for $1 but AltiVec enabled.";
1335     }
1336     warn_altivec_disabled(){
1337         disabled altivec && echo "WARNING: Tuning for $1 but AltiVec disabled.";
1338     }
1339     case $cpu in
1340         601|ppc601|PowerPC601)
1341             add_cflags "-mcpu=601"
1342             warn_altivec_enabled PPC601
1343         ;;
1344         603*|ppc603*|PowerPC603*)
1345             add_cflags "-mcpu=603"
1346             warn_altivec_enabled PPC603
1347         ;;
1348         604*|ppc604*|PowerPC604*)
1349             add_cflags "-mcpu=604"
1350             warn_altivec_enabled PPC604
1351         ;;
1352         G3|g3|75*|ppc75*|PowerPC75*)
1353             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1354             warn_altivec_enabled PPC75x
1355         ;;
1356         G4|g4|745*|ppc745*|PowerPC745*)
1357             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1358             warn_altivec_disabled PPC745x
1359         ;;
1360         74*|ppc74*|PowerPC74*)
1361             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1362             warn_altivec_disabled PPC74xx
1363         ;;
1364         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1365             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1366             warn_altivec_disabled PPC970
1367             POWERPCMODE="64bits"
1368         ;;
1369         # targets that do NOT support conditional mov (cmov)
1370         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1371             add_cflags "-march=$cpu"
1372             cmov="no"
1373         ;;
1374         # targets that do support conditional mov (cmov)
1375         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1376             add_cflags "-march=$cpu"
1377             cmov="yes"
1378             fast_cmov="yes"
1379         ;;
1380         # targets that do support conditional mov but on which it's slow
1381         pentium4|prescott|nocona)
1382             add_cflags "-march=$cpu"
1383             cmov="yes"
1384             fast_cmov="no"
1385         ;;
1386         sparc64)
1387             add_cflags "-mcpu=v9"
1388         ;;
1389         *)
1390         echo "WARNING: Unknown CPU \"$cpu\", ignored."
1391         ;;
1392     esac
1393 fi
1394
1395 # make sure we can execute files in $TMPDIR
1396 cat >$TMPE 2>>$logfile <<EOF
1397 #! /bin/sh
1398 EOF
1399 chmod +x $TMPE >>$logfile 2>&1
1400 if ! $TMPE >>$logfile 2>&1; then
1401     cat <<EOF
1402 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1403 variable to another directory and make sure that $TMPDIR1 is not mounted
1404 noexec.
1405 EOF
1406     die "Sanity test failed."
1407 fi
1408 rm $TMPE
1409
1410 # compiler sanity check
1411 check_exec <<EOF
1412 int main(){
1413     return 0;
1414 }
1415 EOF
1416 if test "$?" != 0; then
1417     echo "$cc is unable to create an executable file."
1418     if test -z "$cross_prefix" -a "$cross_compile" = no; then
1419         echo "If $cc is a cross-compiler, use the --cross-compile option."
1420         echo "Only do this if you know what cross compiling means."
1421     fi
1422     die "C compiler test failed."
1423 fi
1424
1425 # check for assembler specific support
1426
1427 if test $arch = "powerpc"; then
1428 check_cc <<EOF && dcbzl=yes
1429 int main(void) {
1430     register long zero = 0;
1431     char data[1024];
1432     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1433 return 0;
1434 }
1435 EOF
1436 fi
1437
1438 # check for SIMD availability
1439
1440 # AltiVec flags: The FSF version of GCC differs from the Apple version
1441 if test $arch = "powerpc"; then
1442     if enabled altivec; then
1443         if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1444             add_cflags "-faltivec"
1445         else
1446             add_cflags "-maltivec -mabi=altivec"
1447         fi
1448     fi
1449 fi
1450
1451 check_header altivec.h
1452
1453 # check if our compiler supports Motorola AltiVec C API
1454 if enabled altivec; then
1455     if enabled altivec_h; then
1456         inc_altivec_h="#include <altivec.h>"
1457     else
1458         inc_altivec_h=
1459     fi
1460     check_cc <<EOF || altivec=no
1461 $inc_altivec_h
1462 int main(void) {
1463     vector signed int v1, v2, v3;
1464     v1 = vec_add(v2,v3);
1465     return 0;
1466 }
1467 EOF
1468 fi
1469
1470 # check armv5te instructions support
1471 if test $armv5te = "default" -a $arch = "armv4l"; then
1472     armv5te=no
1473     check_cc <<EOF && armv5te=yes
1474         int main(void) {
1475         __asm__ __volatile__ ("qadd r0, r0, r0");
1476         }
1477 EOF
1478 fi
1479
1480 if test $armv6 = "default" -a $arch = "armv4l"; then
1481     check_cc <<EOF && armv6=yes || armv6=no
1482 int main(void) {
1483     __asm__ __volatile__ ("sadd16 r0, r0, r0");
1484 }
1485 EOF
1486 fi
1487
1488 # check iwmmxt support
1489 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1490     iwmmxt=no
1491     check_cc <<EOF && iwmmxt=yes
1492         int main(void) {
1493         __asm__ __volatile__ ("wunpckelub wr6, wr4");
1494         }
1495 EOF
1496 fi
1497
1498 # mmi only available on mips
1499 if test $mmi = "default"; then
1500     if test $arch = "mips"; then
1501         mmi="yes"
1502     else
1503         mmi="no"
1504     fi
1505 fi
1506
1507 # check if our compiler supports mmi
1508 enabled mmi && check_cc <<EOF || mmi="no"
1509 int main(void) {
1510     __asm__ ("lq \$2, 0(\$2)");
1511     return 0;
1512 }
1513 EOF
1514
1515 # ---
1516 # big/little-endian test
1517 if disabled cross_compile; then
1518     check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1519 #include <inttypes.h>
1520 int main(int argc, char ** argv){
1521         volatile uint32_t i=0x01234567;
1522         return (*((uint8_t*)(&i))) == 0x67;
1523 }
1524 EOF
1525 else
1526     # programs cannot be launched if cross compiling, so make a static guess
1527     if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1528         bigendian="yes"
1529     fi
1530 fi
1531
1532 # ---
1533 # check availability of some header files
1534
1535 check_header malloc.h
1536 check_func memalign
1537
1538 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1539     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1540 fi
1541
1542 check_header byteswap.h
1543
1544 check_func inet_aton
1545 check_func localtime_r
1546 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1547
1548 # check for some common methods of building with pthread support
1549 # do this before the optional library checks as some of them require pthreads
1550 if enabled pthreads; then
1551     if check_func pthread_create; then
1552         :
1553     elif check_func pthread_create -pthread; then
1554         add_cflags -pthread
1555         add_ldflags -pthread
1556     elif check_func pthread_create -pthreads; then
1557         add_cflags -pthreads
1558         add_ldflags -pthreads
1559     elif ! check_lib pthread.h pthread_create -lpthread; then
1560         die "ERROR: can't find pthreads library"
1561     fi
1562 fi
1563
1564 for thread in pthreads beosthreads os2threads w32threads; do
1565     if enabled $thread; then
1566         if ! disabled thread_type ; then
1567             die "ERROR: Only one thread type must be selected."
1568         else
1569             thread_type="$thread"
1570         fi
1571     fi
1572 done
1573
1574 # these are off by default, so fail if requested and not available
1575 enabled libdts     && require libdts dts.h dts_init -ldts -lm
1576 enabled libgsm     && require libgsm gsm.h gsm_create -lgsm
1577 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1578 enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
1579 enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1580 enabled libogg     && require libogg ogg/ogg.h ogg_sync_init -logg
1581 enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
1582 enabled xvid       && require XviD xvid.h xvid_global -lxvidcore
1583 enabled x264       && require x264 x264.h x264_encoder_open -lx264
1584 enabled dc1394     && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1585 enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1586
1587 # Ugh, libfaac uses stdcall calling convention on win32 so we can't use
1588 # the generic test functions
1589 if enabled libfaac; then
1590     save_flags
1591     temp_extralibs -lfaac
1592     check_ld <<EOF && add_extralibs -lfaac || die "ERROR: libfaac not found"
1593 #include <stdint.h>
1594 #include <faac.h>
1595 int main(){
1596     char *id, *cpr;
1597     faacEncGetVersion(&id, &cpr);
1598     return 0;
1599 }
1600 EOF
1601     restore_flags
1602 fi
1603
1604 # Ugh, recent faad2 versions have renamed all functions and #define the
1605 # old names in faad.h.  Generic tests won't work.
1606 if enabled libfaad; then
1607     save_flags
1608     temp_extralibs -lfaad
1609     check_ld <<EOF && add_extralibs -lfaad || die "ERROR: libfaad not found"
1610 #include <faad.h>
1611 int main(){
1612     faacDecOpen();
1613     return 0;
1614 }
1615 EOF
1616     restore_flags
1617 fi
1618
1619 # Ugh, avisynth uses WINAPI calls. Generic tests won't work.
1620 if enabled avisynth; then
1621     save_flags
1622     temp_extralibs -lvfw32
1623     check_ld <<EOF && add_extralibs -lvfw32 || die "ERROR: vfw32 not found"
1624 #include <windows.h>
1625 #include <vfw.h>
1626 int main(){
1627     AVIFileInit();
1628     return 0;
1629 }
1630 EOF
1631     restore_flags
1632 fi
1633
1634
1635 # test for lrintf in math.h
1636 check_exec <<EOF && lrintf=yes || lrintf=no
1637 #define _ISOC9X_SOURCE  1
1638 #include <math.h>
1639 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1640 EOF
1641
1642 _restrict=
1643 for restrict_keyword in restrict __restrict__ __restrict; do
1644     check_cc <<EOF && _restrict=$restrict_keyword && break
1645 void foo(char * $restrict_keyword p);
1646 EOF
1647 done
1648
1649 # dlopen/dlfcn.h probing
1650
1651 check_header dlfcn.h
1652
1653 if check_func dlopen; then
1654     ldl=
1655 elif check_func dlopen -ldl; then
1656     ldl=-ldl
1657 fi
1658
1659 if test "$vhook" = "default"; then
1660     vhook="$dlopen"
1661 fi
1662
1663 if enabled_any vhook liba52bin libfaadbin; then
1664     add_extralibs $ldl
1665 fi
1666
1667 if test "$targetos" = "CYGWIN" -a "$lstatic" = "yes" ; then
1668     vhook="no"
1669     echo
1670     echo "At the moment vhooks don't work on Cygwin static builds."
1671     echo "Patches welcome."
1672     echo
1673 fi
1674
1675 if enabled vhook; then
1676     check_ldflags -rdynamic
1677     check_ldflags -export-dynamic
1678 fi
1679
1680 if enabled audio_beos; then
1681     add_extralibs "-lmedia -lbe"
1682 fi
1683
1684 ##########################################
1685 # imlib check
1686
1687 temp_extralibs -lImlib2
1688 check_ld <<EOF && imlib2=yes || imlib2=no
1689 #include <X11/Xlib.h>
1690 #include <Imlib2.h>
1691 int main( void ) { return (int) imlib_load_font("foo"); }
1692 EOF
1693 restore_flags
1694
1695 ##########################################
1696 # FreeType check
1697
1698 freetype2=no
1699 if test "x$targetos" != "xBeOS"; then
1700   if (freetype-config --version) >/dev/null 2>&1 ; then
1701       temp_cflags `freetype-config --cflags`
1702       temp_extralibs `freetype-config --libs`
1703       check_ld <<EOF && freetype2=yes
1704 #include <ft2build.h>
1705 int main( void ) { return (int) FT_Init_FreeType(0); }
1706 EOF
1707       restore_flags
1708   fi
1709 fi
1710
1711 ##########################################
1712 # SDL check
1713
1714 sdl_too_old=no
1715 sdl=no
1716 SDL_CONFIG="${cross_prefix}sdl-config"
1717 if ("${SDL_CONFIG}" --version) >/dev/null 2>&1 ; then
1718     temp_cflags `"${SDL_CONFIG}" --cflags`
1719     temp_extralibs `"${SDL_CONFIG}" --libs`
1720     check_ld <<EOF
1721 #include <SDL.h>
1722 #undef main /* We don't want SDL to override our main() */
1723 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
1724 EOF
1725     if test $? = 0; then
1726         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1727         if test "$_sdlversion" -lt 121 ; then
1728             sdl_too_old=yes
1729         else
1730             sdl=yes
1731             check_cc <<EOF && sdl_video_size=yes || sdl_video_size=no
1732 #include <SDL.h>
1733 int main(void){
1734     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1735     int w = vi->current_w;
1736     return 0;
1737 }
1738 EOF
1739         fi
1740     fi
1741     restore_flags
1742 fi
1743
1744 enabled sdl || ffplay=no
1745
1746 ##########################################
1747 # texi2html check
1748
1749 texi2html=no
1750 if (texi2html -version) >/dev/null 2>&1; then
1751 texi2html=yes
1752 fi
1753
1754 ##########################################
1755 # IPv6 check
1756
1757 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1758 #include <sys/types.h>
1759 #include <sys/socket.h>
1760 #include <netinet/in.h>
1761 #include <netdb.h>
1762 int main( void ) {
1763   struct sockaddr_storage saddr;
1764   struct ipv6_mreq mreq6;
1765   getaddrinfo(0,0,0,0);
1766   getnameinfo(0,0,0,0,0,0,0);
1767   IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1768 }
1769 EOF
1770
1771 # check for video4linux2 --- V4L2_PIX_FMT_YUV420
1772 enabled video4linux2 && check_cc <<EOF || video4linux2="no"
1773 #include <sys/time.h>
1774 #include <asm/types.h>
1775 #include <linux/videodev2.h>
1776 int dummy = V4L2_PIX_FMT_YUV420;
1777 struct v4l2_buffer dummy1;
1778 EOF
1779
1780 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1781 if enabled bktr; then
1782     check_header dev/bktr/ioctl_meteor.h
1783     check_header dev/bktr/ioctl_bt848.h
1784
1785     check_header machine/ioctl_meteor.h
1786     check_header machine/ioctl_bt848.h
1787
1788     check_header dev/video/meteor/ioctl_meteor.h
1789     check_header dev/video/bktr/ioctl_bt848.h
1790
1791     check_header dev/ic/bt8xx.h
1792 fi
1793
1794 # Deal with the x11 frame grabber
1795 enabled x11grab                         &&
1796 enabled gpl                             &&
1797 enabled x11_grab_device_demuxer         &&
1798 check_header X11/Xlib.h                 &&
1799 check_header X11/extensions/XShm.h      &&
1800 check_func XOpenDisplay -lX11           &&
1801 check_func XShmCreateImage -lX11 -lXext &&
1802 add_extralibs -lX11 -lXext              ||
1803 disable x11_grab_device_demuxer
1804
1805 enabled debug && add_cflags -g
1806
1807 # add some useful compiler flags if supported
1808 check_cflags -Wdeclaration-after-statement
1809 check_cflags -Wall
1810 check_cflags -Wno-switch
1811 check_cflags -Wdisabled-optimization
1812 check_cflags -Wpointer-arith
1813 check_cflags -Wredundant-decls
1814 check_cflags -Wno-pointer-sign
1815 enabled extrawarnings && check_cflags -Winline
1816
1817 # add some linker flags
1818 check_ldflags $LDLATEFLAGS
1819
1820 # not all compilers support -Os
1821 test "$optimize" = "small" && check_cflags -Os
1822
1823 if enabled optimize; then
1824     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1825         add_cflags  "-O5"
1826         add_ldflags "-O5"
1827     else
1828         add_cflags "-O3"
1829     fi
1830 fi
1831
1832 # PIC flags for shared library objects where they are needed
1833 if enabled lshared; then
1834     # LIBOBJFLAGS may have already been set in the OS configuration
1835     if test -z "$LIBOBJFLAGS" ; then
1836         case "$arch" in
1837             x86_64|ia64|alpha|sparc*) LIBOBJFLAGS="\$(PIC)" ;;
1838         esac
1839     fi
1840 fi
1841
1842 if enabled gprof; then
1843     add_cflags  "-p"
1844     add_ldflags "-p"
1845 fi
1846
1847 VHOOKCFLAGS="-fPIC $CFLAGS"
1848 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1849
1850 # find if .align arg is power-of-two or not
1851 if test $asmalign_pot = "unknown"; then
1852     asmalign_pot="no"
1853     echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1854 fi
1855
1856 echo "install prefix            $PREFIX"
1857 echo "source path               $source_path"
1858 echo "C compiler                $cc"
1859 echo "make                      $make"
1860 echo ".align is power-of-two    $asmalign_pot"
1861 echo "ARCH                      $arch ($cpu)"
1862 if test "$BUILDSUF" != ""; then
1863     echo "build suffix              $BUILDSUF"
1864 fi
1865 echo "big-endian                $bigendian"
1866 if test $arch = "x86_32" -o $arch = "x86_64"; then
1867     echo "MMX enabled               $mmx"
1868     echo "CMOV enabled              $cmov"
1869     echo "CMOV is fast              $fast_cmov"
1870 fi
1871 if test $arch = "armv4l"; then
1872     echo "ARMv5TE enabled           $armv5te"
1873     echo "ARMv6 enabled             $armv6"
1874     echo "IWMMXT enabled            $iwmmxt"
1875 fi
1876 if test $arch = "mips"; then
1877     echo "MMI enabled               $mmi"
1878 fi
1879 if test $arch = "powerpc"; then
1880     echo "AltiVec enabled           $altivec"
1881     echo "dcbzl available           $dcbzl"
1882 fi
1883 echo "gprof enabled             $gprof"
1884 echo "debug symbols             $debug"
1885 echo "strip symbols             $dostrip"
1886 echo "optimize                  $optimize"
1887 echo "static                    $lstatic"
1888 echo "shared                    $lshared"
1889 echo "postprocessing support    $pp"
1890 echo "software scaler enabled   $swscaler"
1891 echo "video hooking             $vhook"
1892 if enabled vhook; then
1893     echo "Imlib2 support            $imlib2"
1894     echo "FreeType support          $freetype2"
1895 fi
1896 echo "network support           $network"
1897 if enabled network; then
1898     echo "IPv6 support              $ipv6"
1899 fi
1900 echo "threading support         $thread_type"
1901 echo "SDL support               $sdl"
1902 if enabled sdl_too_old; then
1903     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1904 fi
1905 echo "Sun medialib support      $mlib"
1906 echo "AVISynth enabled          $avisynth"
1907 echo "liba52 support            $liba52"
1908 echo "liba52 dlopened           $liba52bin"
1909 echo "libdts support            $libdts"
1910 echo "libfaac enabled           $libfaac"
1911 echo "libfaad enabled           $libfaad"
1912 echo "faadbin enabled           $libfaadbin"
1913 echo "libgsm enabled            $libgsm"
1914 echo "libmp3lame enabled        $libmp3lame"
1915 echo "libnut enabled            $libnut"
1916 echo "libogg enabled            $libogg"
1917 echo "libtheora enabled         $libtheora"
1918 echo "libvorbis enabled         $libvorbis"
1919 echo "x264 enabled              $x264"
1920 echo "XviD enabled              $xvid"
1921 echo "zlib enabled              $zlib"
1922 echo "AMR-NB float support      $amr_nb"
1923 echo "AMR-NB fixed support      $amr_nb_fixed"
1924 echo "AMR-WB float support      $amr_wb"
1925 echo "AMR-WB IF2 support        $amr_if2"
1926 if disabled gpl; then
1927     echo "License: LGPL"
1928 else
1929     echo "License: GPL"
1930 fi
1931
1932 echo "Creating config.mak and config.h..."
1933
1934 echo "# Automatically generated by configure - do not modify!" > config.mak
1935 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1936 echo "#define FFMPEG_CONFIGURATION "'"'"$FFMPEG_CONFIGURATION"'"' >> $TMPH
1937
1938 echo "PREFIX=$PREFIX" >> config.mak
1939 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1940 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1941 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1942 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1943 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1944 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1945 echo "MAKE=$make" >> config.mak
1946 echo "CC=$cc" >> config.mak
1947 echo "AR=$ar" >> config.mak
1948 echo "RANLIB=$ranlib" >> config.mak
1949 if enabled dostrip; then
1950     echo "STRIP=$strip" >> config.mak
1951 else
1952     echo "STRIP=echo ignoring strip" >> config.mak
1953 fi
1954
1955 echo "OPTFLAGS=$CFLAGS" >> config.mak
1956 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1957 echo "LDFLAGS=$LDFLAGS" >> config.mak
1958 echo "LDCONFIG=$LDCONFIG" >> config.mak
1959 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1960 echo "SHFLAGS=$SHFLAGS" >> config.mak
1961 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1962 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1963 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1964 echo "BUILD_STATIC=$lstatic" >> config.mak
1965 echo "BUILDSUF=$BUILDSUF" >> config.mak
1966 echo "LIBPREF=$LIBPREF" >> config.mak
1967 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1968 if enabled lstatic; then
1969   echo "LIB=$LIB" >> config.mak
1970 else # Some Make complain if this variable does not exist.
1971   echo "LIB=" >> config.mak
1972 fi
1973 echo "SLIBPREF=$SLIBPREF" >> config.mak
1974 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1975 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1976 echo "TARGET_OS=$targetos" >> config.mak
1977
1978 ucarch=`toupper $arch`
1979 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1980 echo "#define ARCH_${ucarch} 1" >> $TMPH
1981
1982 # special cases
1983 case "$arch" in
1984     x86_32|x86_64)
1985         echo "TARGET_ARCH_X86=yes" >> config.mak
1986         echo "#define ARCH_X86 1" >> $TMPH
1987         ;;
1988     powerpc)
1989         if test "$POWERPCMODE" = "64bits"; then
1990             echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1991         fi
1992         if enabled powerpc_perf; then
1993             echo "#define POWERPC_PERFORMANCE_REPORT 1" >> $TMPH
1994         fi
1995         ;;
1996     sparc64)
1997         echo "TARGET_ARCH_SPARC=yes" >> config.mak
1998         echo "#define ARCH_SPARC 1" >> $TMPH
1999         ;;
2000 esac
2001
2002 if enabled bigendian; then
2003   echo "WORDS_BIGENDIAN=yes" >> config.mak
2004   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2005 fi
2006 if enabled mmx; then
2007   echo "#define __CPU__ 586" >> $TMPH
2008 fi
2009
2010 if enabled sdl; then
2011   echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2012   echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2013 fi
2014 if enabled texi2html; then
2015   echo "BUILD_DOC=yes" >> config.mak
2016 fi
2017
2018 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
2019 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
2020 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
2021 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
2022 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
2023
2024
2025
2026 if enabled lshared; then
2027   echo "BUILD_SHARED=yes" >> config.mak
2028   echo "PIC=-fPIC -DPIC" >> config.mak
2029   echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
2030   echo "SPPVERSION=$pp_version" >> config.mak
2031   echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
2032   echo "LAVCVERSION=$lavc_version" >> config.mak
2033   echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
2034   echo "LAVFVERSION=$lavf_version" >> config.mak
2035   echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
2036   echo "LAVUVERSION=$lavu_version" >> config.mak
2037   echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
2038   echo "SWSVERSION=$sws_version" >> config.mak
2039   echo "SLIBNAME=${SLIBNAME}" >> config.mak
2040   echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2041   echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2042   echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2043   echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2044 fi
2045 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2046 echo "EXTRALIBS=$extralibs" >> config.mak
2047
2048 enabled_any $ENCODER_LIST && enable encoders
2049 enabled_any $DECODER_LIST && enable decoders
2050 enabled_any $MUXER_LIST   && enable muxers
2051 enabled_any $DEMUXER_LIST && enable demuxers
2052
2053 enabled_any pthreads beosthreads os2threads w32threads && enable threads
2054
2055 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
2056     $DEMUXER_LIST $MUXER_LIST
2057
2058 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2059 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
2060 print_config TARGET_ $TMPH config.mak $TARGET_LIST
2061
2062 if test "$targetos" = "Darwin"; then
2063   echo "#define CONFIG_DARWIN 1"  >> $TMPH
2064 fi
2065
2066 echo "#define restrict $_restrict" >> $TMPH
2067
2068 if test "$optimize" = "small"; then
2069   echo "#define always_inline"  >> $TMPH
2070   echo "#define CONFIG_SMALL 1" >> $TMPH
2071 fi
2072
2073 echo "SRC_PATH=\"$source_path\"" >> config.mak
2074 echo "SRC_PATH_BARE=$source_path" >> config.mak
2075 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2076
2077 if enabled amr_if2; then
2078   echo "AMR_CFLAGS=-DIF2=1" >> config.mak
2079 fi
2080
2081 # Apparently it's not possible to portably echo a backslash.
2082 if enabled asmalign_pot; then
2083   printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
2084 else
2085   printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2086 fi
2087
2088
2089 for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
2090     ucname="`toupper $codec`"
2091     config_name="CONFIG_$ucname"
2092     enabled_name="ENABLE_$ucname"
2093     if enabled $codec; then
2094         echo "#define $config_name 1" >> $TMPH
2095         echo "#define $enabled_name 1" >> $TMPH
2096         echo "$config_name=yes" >> config.mak
2097     else
2098         echo "#define $enabled_name 0" >> $TMPH
2099     fi
2100 done
2101
2102 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2103 if ! cmp -s $TMPH config.h; then
2104         mv -f $TMPH config.h
2105 else
2106         echo "config.h is unchanged"
2107 fi
2108
2109 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2110
2111 # build tree in object directory if source path is different from current one
2112 if enabled source_path_used; then
2113     DIRS="\
2114          doc \
2115          libavformat \
2116          libavcodec \
2117          libavcodec/alpha \
2118          libavcodec/armv4l \
2119          libavcodec/bfin \
2120          libavcodec/i386 \
2121          libavcodec/sparc \
2122          libavcodec/mlib \
2123          libavcodec/ppc \
2124          libavcodec/liba52 \
2125          libavcodec/amr \
2126          libavcodec/amr_float \
2127          libavcodec/amrwb_float \
2128          libpostproc \
2129          libavutil \
2130          libswscale \
2131          tests \
2132          vhook \
2133          "
2134     FILES="\
2135           Makefile \
2136           common.mak \
2137           libavformat/Makefile \
2138           libavcodec/Makefile \
2139           libpostproc/Makefile \
2140           libavutil/Makefile \
2141           libswscale/Makefile \
2142           tests/Makefile \
2143           vhook/Makefile \
2144           doc/Makefile \
2145           doc/texi2pod.pl \
2146           "
2147     for dir in $DIRS ; do
2148             mkdir -p $dir
2149     done
2150     for f in $FILES ; do
2151         ln -sf "$source_path/$f" $f
2152     done
2153 fi
2154
2155
2156 # build pkg-config files
2157 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2158
2159 pkgconfig_generate(){
2160 name=$1
2161 comment=$2
2162 version=$3
2163 libs=$4
2164 requires=$5
2165 include=$6
2166 cat <<EOF >$name.pc
2167 prefix=$PREFIX
2168 exec_prefix=\${prefix}
2169 libdir=\${exec_prefix}/lib
2170 includedir=\${prefix}/include
2171
2172 Name: $name
2173 Description: $comment
2174 Version: $version
2175 Requires: $requires
2176 Conflicts:
2177 Libs: -L\${libdir} $libs
2178 Cflags: -I\${includedir} -I\${includedir}/$include
2179 EOF
2180 }
2181
2182 pkgconfig_generate_uninstalled(){
2183 name=$1
2184 shortname=${name#lib}
2185 comment=$2
2186 version=$3
2187 libs=$4
2188 requires=$5
2189 cat <<EOF >$name-uninstalled.pc
2190 prefix=
2191 exec_prefix=
2192 libdir=\${pcfiledir}/$name
2193 includedir=\${pcfiledir}/$name
2194
2195 Name: $name
2196 Description: $comment
2197 Version: $version
2198 Requires: $requires
2199 Conflicts:
2200 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2201 Cflags: -I\${includedir}
2202 EOF
2203 }
2204
2205 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2206 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2207
2208 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2209 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2210
2211 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2212 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2213
2214 if enabled pp; then
2215   pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2216   pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2217 fi
2218
2219 if enabled swscaler; then
2220   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "libavutil = $lavu_version" swscale
2221   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2222 else
2223   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale
2224   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2225   apply libswscale.pc sed s/^Libs:.*$/Libs:/
2226   apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2227 fi