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