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-liba52          enable GPLed liba52 support [default=no]"
  82   echo "  --enable-liba52bin       open liba52.so.0 at runtime [default=no]"
  83   echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"
  84   echo "  --enable-libdts          enable GPLed libdts support [default=no]"
  85   echo "  --enable-libfaac         enable FAAC support via libfaac [default=no]"
  86   echo "  --enable-libfaad         enable FAAD support via libfaad [default=no]"
  87   echo "  --enable-libfaadbin      build FAAD support with runtime linking [default=no]"
  88   echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
  89   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no]"
  90   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
  91   echo "                           native demuxer exists [default=no]"
  92   echo "  --enable-libogg          enable Ogg muxing via libogg [default=no]"
  93   echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
  94   echo "  --enable-libvorbis       enable Vorbis en/decoding via libvorbis,"
  95   echo "                           native implementations exist [default=no]"
  96   echo "  --enable-x264            enable H.264 encoding via x264 [default=no]"
  97   echo "  --enable-xvid            enable Xvid encoding via xvidcore,"
  98   echo "                           native MPEG-4/Xvid encoder exists [default=no]"
  99   echo "  --enable-amr_nb          enable amr_nb float audio codec"
 100   echo "  --enable-amr_nb-fixed    use fixed point for amr-nb codec"
 101   echo "  --enable-amr_wb          enable amr_wb float audio codec"
 102   echo "  --enable-amr_if2         enable amr_wb IF2 audio codec"
 103   echo "  --enable-gpl             allow use of GPL code, the resulting libav*"
 104   echo "                           and ffmpeg will be under GPL [default=no]"
 105   echo ""
 106   echo "Advanced options (experts only):"
 107   echo "  --source-path=PATH       path to source code [$source_path]"
 108   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 109   echo "  --cross-compile          assume a cross-compiler is used"
 110   echo "  --cc=CC                  use C compiler CC [$cc]"
 111   echo "  --make=MAKE              use specified make [$make]"
 112   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 113   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 114   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 115   echo "  --build-suffix=SUFFIX    suffix for application specific build []"
 116   echo "  --arch=ARCH              select architecture  [$arch]"
 117   echo "  --cpu=CPU                selects the minimum cpu required (affects"
 118   echo "                           instruction selection, may crash on older CPUs)"
 119   echo "  --enable-powerpc-perf    enable performance report on PPC"
 120   echo "                           (requires enabling PMC)"
 121   echo "  --disable-mmx            disable MMX usage"
 122   echo "  --disable-armv5te        disable armv5te usage"
 123   echo "  --disable-armv6          disable armv6 usage"
 124   echo "  --disable-iwmmxt         disable iwmmxt usage"
 125   echo "  --disable-altivec        disable AltiVec usage"
 126   echo "  --disable-audio-oss      disable OSS audio support [default=no]"
 127   echo "  --disable-audio-beos     disable BeOS audio support [default=no]"
 128   echo "  --disable-v4l            disable video4linux grabbing [default=no]"
 129   echo "  --disable-v4l2           disable video4linux2 grabbing [default=no]"
 130   echo "  --disable-bktr           disable bktr video grabbing [default=no]"
 131   echo "  --disable-dv1394         disable DV1394 grabbing [default=no]"
 132   echo "  --disable-network        disable network support [default=no]"
 133   echo "  --disable-ipv6           disable ipv6 support [default=no]"
 134   echo "  --disable-zlib           disable zlib [default=no]"
 135   echo "  --disable-vhook          disable video hooking support"
 136   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 137   echo "  --disable-debug          disable debugging symbols"
 138   echo "  --disable-opts           disable compiler optimizations"
 139   echo "  --enable-extra-warnings  enable more compiler warnings"
 140   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 141   echo "                           MPEG audio decoding [default=no]"
 142   echo "  --disable-protocols      disable I/O protocols support [default=no]"
 143   echo "  --disable-ffmpeg         disable ffmpeg build"
 144   echo "  --disable-ffserver       disable ffserver build"
 145   echo "  --disable-ffplay         disable ffplay build"
 146   echo "  --enable-small           optimize for size instead of speed"
 147   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 148   echo "  --disable-strip          disable stripping of executables and shared libraries"
 149   echo "  --disable-encoder=NAME   disables encoder NAME"
 150   echo "  --enable-encoder=NAME    enables encoder NAME"
 151   echo "  --disable-decoder=NAME   disables decoder NAME"
 152   echo "  --enable-decoder=NAME    enables decoder NAME"
 153   echo "  --disable-encoders       disables all encoders"
 154   echo "  --disable-decoders       disables all decoders"
 155   echo "  --disable-muxer=NAME     disables muxer NAME"
 156   echo "  --enable-muxer=NAME      enables muxer NAME"
 157   echo "  --disable-muxers         disables all muxers"
 158   echo "  --disable-demuxer=NAME   disables demuxer NAME"
 159   echo "  --enable-demuxer=NAME    enables demuxer NAME"
 160   echo "  --disable-demuxers       disables all demuxers"
 161   echo "  --enable-parser=NAME     enables parser NAME"
 162   echo "  --disable-parser=NAME    disables parser NAME"
 163   echo "  --disable-parsers        disables all parsers"
 164   echo ""
 165   echo "NOTE: Object files are built at the place where configure is launched."
 166   exit 1
 167 }
 168
 169 log(){
 170     echo "$@" >>$logfile
 171 }
 172
 173 log_file(){
 174     log BEGIN $1
 175     cat -n $1 >>$logfile
 176     log END $1
 177 }
 178
 179 echolog(){
 180     log "$@"
 181     echo "$@"
 182 }
 183
 184 die(){
 185     echolog "$@"
 186     cat <<EOF
 187 If you think configure made a mistake, make sure you are using the latest
 188 version from SVN.  If the latest version fails, report the problem to the
 189 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 190 EOF
 191     if enabled logging; then
 192         cat <<EOF
 193 Include the log file "$logfile" produced by configure as this will help
 194 solving the problem.
 195 EOF
 196     else
 197 cat <<EOF
 198 Rerun configure with logging enabled (do not use --log=no), and include the
 199 log this produces with your report.
 200 EOF
 201     fi
 202     rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
 203     exit 1
 204 }
 205
 206 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
 207 toupper(){
 208     echo "$@" | tr '[a-z]' '[A-Z]'
 209 }
 210
 211 set_all(){
 212     value=$1
 213     shift
 214     for var in $*; do
 215         eval $var=$value
 216     done
 217 }
 218
 219 pushvar(){
 220     for var in $*; do
 221         eval level=\${${var}_level:=0}
 222         eval ${var}_${level}="\$$var"
 223         eval ${var}_level=$(($level+1))
 224     done
 225 }
 226
 227 popvar(){
 228     for var in $*; do
 229         eval level=\${${var}_level:-0}
 230         test $level = 0 && continue
 231         eval level=$(($level-1))
 232         eval $var="\${${var}_${level}}"
 233         eval ${var}_level=$level
 234         eval unset ${var}_${level}
 235     done
 236 }
 237
 238 enable(){
 239     set_all yes $*
 240 }
 241
 242 disable(){
 243     set_all no $*
 244 }
 245
 246 enabled(){
 247     eval test "x\$$1" = "xyes"
 248 }
 249
 250 disabled(){
 251     eval test "x\$$1" = "xno"
 252 }
 253
 254 enabled_all(){
 255     for opt; do
 256         enabled $opt || return 1
 257     done
 258 }
 259
 260 disabled_all(){
 261     for opt; do
 262         disabled $opt || return 1
 263     done
 264 }
 265
 266 enabled_any(){
 267     for opt; do
 268         enabled $opt && return 0
 269     done
 270 }
 271
 272 disabled_any(){
 273     for opt; do
 274         disabled $opt && return 0
 275     done
 276 }
 277
 278 check_deps(){
 279     for cfg; do
 280         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 281         disabled ${cfg}_checking && continue
 282         enable ${cfg}_checking
 283
 284         eval dep_all="\$${cfg}_deps"
 285         eval dep_any="\$${cfg}_deps_any"
 286
 287         pushvar cfg dep_all dep_any
 288         check_deps $dep_all $dep_any
 289         popvar cfg dep_all dep_any
 290
 291         enabled_all $dep_all || disable $cfg
 292         enabled_any $dep_any || disable $cfg
 293
 294         disable ${cfg}_checking
 295     done
 296 }
 297
 298 print_config(){
 299     pfx=$1
 300     header=$2
 301     makefile=$3
 302     shift 3
 303     for cfg; do
 304         if enabled $cfg; then
 305             ucname="${pfx}`toupper $cfg`"
 306             echo "#define ${ucname} 1" >> $header
 307             echo "${ucname}=yes" >> $makefile
 308         fi
 309     done
 310 }
 311
 312 flags_saved(){
 313     (: ${SAVE_CFLAGS?}) 2>/dev/null
 314 }
 315
 316 save_flags(){
 317     flags_saved && return
 318     SAVE_CFLAGS="$CFLAGS"
 319     SAVE_LDFLAGS="$LDFLAGS"
 320     SAVE_extralibs="$extralibs"
 321 }
 322
 323 restore_flags(){
 324     flags_saved || return
 325     CFLAGS="$SAVE_CFLAGS"
 326     LDFLAGS="$SAVE_LDFLAGS"
 327     extralibs="$SAVE_extralibs"
 328     unset SAVE_CFLAGS
 329     unset SAVE_LDFLAGS
 330     unset SAVE_extralibs
 331 }
 332
 333 temp_cflags(){
 334     save_flags
 335     CFLAGS="$CFLAGS $*"
 336 }
 337
 338 temp_ldflags(){
 339     save_flags
 340     LDFLAGS="$LDFLAGS $*"
 341 }
 342
 343 temp_extralibs(){
 344     save_flags
 345     extralibs="$extralibs $*"
 346 }
 347
 348 append(){
 349     var=$1
 350     shift
 351     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 352     eval "$var=\"\$$var $*\""
 353 }
 354
 355 add_cflags(){
 356     append CFLAGS "$@"
 357 }
 358
 359 add_ldflags(){
 360     append LDFLAGS "$@"
 361 }
 362
 363 add_extralibs(){
 364     append extralibs "$@"
 365 }
 366
 367 check_cmd(){
 368     log "$@"
 369     "$@" >>$logfile 2>&1
 370 }
 371
 372 check_cc(){
 373     log check_cc "$@"
 374     cat >$TMPC
 375     log_file $TMPC
 376     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 377 }
 378
 379 check_cpp(){
 380     log check_cpp "$@"
 381     cat >$TMPC
 382     log_file $TMPC
 383     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 384 }
 385
 386 check_ld(){
 387     log check_ld "$@"
 388     check_cc || return
 389     check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
 390 }
 391
 392 check_cflags(){
 393     log check_cflags "$@"
 394     check_cc "$@" <<EOF && add_cflags "$@"
 395 int x;
 396 EOF
 397 }
 398
 399 check_ldflags(){
 400     log check_ldflags "$@"
 401     check_ld "$@" <<EOF && add_ldflags "$@"
 402 int main(){
 403     return 0;
 404 }
 405 EOF
 406 }
 407
 408 check_header(){
 409     log check_header "$@"
 410     header=$1
 411     shift
 412     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 413     disable $var
 414     check_cpp "$@" <<EOF && enable $var
 415 #include <$header>
 416 int x;
 417 EOF
 418 }
 419
 420 check_func(){
 421     log check_func "$@"
 422     func=$1
 423     shift
 424     disable $func
 425     check_ld "$@" <<EOF && enable $func
 426 extern int $func();
 427 int main(){
 428     $func();
 429 }
 430 EOF
 431 }
 432
 433 check_lib(){
 434     log check_lib "$@"
 435     header="$1"
 436     func="$2"
 437     shift 2
 438     temp_extralibs "$@"
 439     check_header $header && check_func $func && add_extralibs "$@"
 440     err=$?
 441     restore_flags
 442     return $err
 443 }
 444
 445 check_exec(){
 446     check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
 447 }
 448
 449 require(){
 450     name="$1"
 451     header="$2"
 452     func="$3"
 453     shift 3
 454     check_lib $header $func "$@" || die "ERROR: $name not found"
 455 }
 456
 457 apply(){
 458     file=$1
 459     shift
 460     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 461 }
 462
 463 CONFIG_LIST='
 464     encoders
 465     decoders
 466     parsers
 467     muxers
 468     demuxers
 469     amr
 470     amr_nb
 471     amr_nb_fixed
 472     amr_wb
 473     audio_beos
 474     audio_oss
 475     avisynth
 476     beos_netserver
 477     bktr
 478     dc1394
 479     dv1394
 480     ffmpeg
 481     ffplay
 482     ffserver
 483     gpl
 484     gprof
 485     ipv6
 486     liba52
 487     liba52bin
 488     libdts
 489     libfaac
 490     libfaad
 491     libfaadbin
 492     libgsm
 493     libmp3lame
 494     libnut
 495     libogg
 496     libtheora
 497     libvorbis
 498     memalign_hack
 499     mpegaudio_hp
 500     network
 501     powerpc_perf
 502     pp
 503     protocols
 504     swscaler
 505     vhook
 506     v4l
 507     v4l2
 508     wince
 509     x11grab
 510     x264
 511     xvid
 512     zlib
 513 '
 514
 515 HAVE_LIST='
 516     altivec
 517     altivec_h
 518     armv5te
 519     armv6
 520     beosthreads
 521     byteswap_h
 522     cmov
 523     dcbzl
 524     dev_bktr_ioctl_bt848_h
 525     dev_bktr_ioctl_meteor_h
 526     dev_ic_bt8xx_h
 527     dev_video_meteor_ioctl_meteor_h
 528     dev_video_bktr_ioctl_bt848_h
 529     dlfcn_h
 530     dlopen
 531     fast_cmov
 532     freetype2
 533     imlib2
 534     inet_aton
 535     iwmmxt
 536     localtime_r
 537     lrintf
 538     machine_ioctl_bt848_h
 539     machine_ioctl_meteor_h
 540     malloc_h
 541     memalign
 542     mlib
 543     mmi
 544     mmx
 545     os2
 546     os2threads
 547     pthreads
 548     sdl
 549     sdl_video_size
 550     soundcard_h
 551     sys_poll_h
 552     sys_soundcard_h
 553     threads
 554     w32threads
 555 '
 556
 557 TARGET_LIST='
 558     altivec
 559     armv5te
 560     armv6
 561     iwmmxt
 562     mmi
 563     mmx
 564 '
 565
 566 CMDLINE_SELECT="
 567     $CONFIG_LIST
 568     $TARGET_LIST
 569     amr_if2
 570     debug
 571     extra_warnings
 572     mingw32
 573     shared
 574     static
 575     beosthreads
 576     os2threads
 577     pthreads
 578     w32threads
 579 "
 580
 581 flashsv_decoder_deps="zlib"
 582 flashsv_encoder_deps="zlib"
 583 mpeg_xvmc_decoder_deps="xvmc"
 584 png_decoder_deps="zlib"
 585 png_encoder_deps="zlib"
 586 x264_encoder_deps="x264"
 587 xvid_encoder_deps="xvid"
 588 zmbv_decoder_deps="zlib"
 589 zmbv_encoder_deps="zlib"
 590
 591 aac_decoder_deps="libfaad"
 592 mpeg4aac_decoder_deps="libfaad"
 593 amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
 594 amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
 595 amr_wb_decoder_deps="amr_wb"
 596 amr_wb_encoder_deps="amr_wb"
 597 dts_decoder_deps="libdts"
 598 faac_encoder_deps="libfaac"
 599 liba52_decoder_deps="liba52"
 600 libgsm_decoder_deps="libgsm"
 601 libgsm_encoder_deps="libgsm"
 602 libtheora_encoder_deps="libtheora"
 603 mp3lame_encoder_deps="libmp3lame"
 604 oggvorbis_decoder_deps="libvorbis"
 605 oggvorbis_encoder_deps="libvorbis"
 606
 607 audio_demuxer_deps_any="audio_oss audio_beos"
 608 audio_muxer_deps_any="audio_oss audio_beos"
 609 dc1394_demuxer_deps="dc1394"
 610 dv1394_demuxer_deps="dv1394"
 611 gxf_muxer_deps="gpl"
 612 libnut_demuxer_deps="libnut"
 613 libnut_muxer_deps="libnut"
 614 ogg_muxer_deps="libogg"
 615 redir_demuxer_deps="network"
 616 rtp_muxer_deps="network"
 617 rtsp_demuxer_deps="network"
 618 sdp_demuxer_deps="network"
 619 v4l2_demuxer_deps="v4l2"
 620 video_grab_device_demuxer_deps_any="v4l bktr"
 621 x11_grab_device_demuxer_deps="x11grab"
 622
 623 ffplay_deps="sdl"
 624 ffserver_deps="network protocols muxers"
 625 network_deps="protocols"
 626
 627 # set temporary file name
 628 if test ! -z "$TMPDIR" ; then
 629     TMPDIR1="${TMPDIR}"
 630 elif test ! -z "$TEMPDIR" ; then
 631     TMPDIR1="${TEMPDIR}"
 632 else
 633     TMPDIR1="/tmp"
 634 fi
 635
 636 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
 637 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
 638 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
 639 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
 640 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
 641
 642 # default parameters
 643
 644 logging="yes"
 645 logfile="config.err"
 646
 647 # installation paths
 648 PREFIX="/usr/local"
 649 libdir='${PREFIX}/lib'
 650 shlibdir="$libdir"
 651 incdir='${PREFIX}/include/ffmpeg'
 652 mandir='${PREFIX}/man'
 653 bindir='${PREFIX}/bin'
 654
 655 # toolchain
 656 cross_prefix=""
 657 cross_compile="no"
 658 cc="gcc"
 659 ar="ar"
 660 ranlib="ranlib"
 661 make="make"
 662 strip="strip"
 663 asmalign_pot="unknown"
 664
 665 # machine
 666 arch=`uname -m`
 667 cpu="generic"
 668 powerpc_perf="no"
 669 mmx="default"
 670 cmov="no"
 671 fast_cmov="no"
 672 armv5te="default"
 673 armv6="default"
 674 iwmmxt="default"
 675 altivec="default"
 676 dcbzl="no"
 677 mmi="default"
 678 bigendian="no"
 679
 680 case "$arch" in
 681   i386|i486|i586|i686|i86pc|BePC)
 682     arch="x86_32"
 683   ;;
 684   x86_64|amd64)
 685     arch="x86_32"
 686     canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
 687     if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
 688       if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
 689         arch="x86_64"
 690       fi
 691     fi
 692   ;;
 693   # armv4l is a subset of armv[567]*l
 694   arm|armv[4567]*l)
 695     arch="armv4l"
 696   ;;
 697   alpha)
 698     arch="alpha"
 699   ;;
 700   "Power Macintosh"|ppc|ppc64|powerpc)
 701     arch="powerpc"
 702   ;;
 703   mips|mipsel|IP*)
 704     arch="mips"
 705   ;;
 706   sun4u|sparc64)
 707     arch="sparc64"
 708   ;;
 709   sparc)
 710     arch="sparc"
 711   ;;
 712   sh4)
 713     arch="sh4"
 714   ;;
 715   parisc|parisc64)
 716     arch="parisc"
 717   ;;
 718   s390|s390x)
 719     arch="s390"
 720   ;;
 721   m68k)
 722     arch="m68k"
 723   ;;
 724   ia64)
 725     arch="ia64"
 726   ;;
 727   bfin)
 728     arch="bfin"
 729   ;;
 730   *)
 731     arch="unknown"
 732   ;;
 733 esac
 734
 735 # OS
 736 targetos=`uname -s`
 737 beos_netserver="no"
 738 mingw32="no"
 739 os2="no"
 740 wince="no"
 741
 742 # non-library system interfaces
 743 audio_beos="default"
 744 audio_oss="yes"
 745 bktr="yes"
 746 dv1394="yes"
 747 v4l2="yes"
 748 v4l="yes"
 749
 750 # libraries
 751 amr_if2="no"
 752 amr_nb="no"
 753 amr_nb_fixed="no"
 754 amr_wb="no"
 755 avisynth="no"
 756 dc1394="no"
 757 dlfcn_h="no"
 758 dlopen="no"
 759 liba52="no"
 760 liba52bin="no"
 761 libdts="no"
 762 libfaac="no"
 763 libfaad2="no"
 764 libfaad="no"
 765 libfaadbin="no"
 766 libgsm="no"
 767 libmp3lame="no"
 768 libnut="no"
 769 libogg="no"
 770 libtheora="no"
 771 libvorbis="no"
 772 mlib="no"
 773 x11grab="no"
 774 x264="no"
 775 xvid="no"
 776 zlib="yes"
 777
 778 # configurable options
 779 debug="yes"
 780 dostrip="yes"
 781 extra_warnings="no"
 782 ffmpeg="yes"
 783 ffplay="yes"
 784 ffserver="yes"
 785 gpl="no"
 786 gprof="no"
 787 ipv6="yes"
 788 shared="no"
 789 static="yes"
 790 memalign_hack="no"
 791 mpegaudio_hp="yes"
 792 network="yes"
 793 optimize="yes"
 794 pp="no"
 795 protocols="yes"
 796 swscaler="no"
 797 vhook="default"
 798
 799 # threading
 800 beosthreads="no"
 801 os2threads="no"
 802 pthreads="no"
 803 w32threads="no"
 804 thread_type="no"
 805
 806 # build settings
 807 SHFLAGS='-shared -Wl,-soname,$@'
 808 VHOOKSHFLAGS='$(SHFLAGS)'
 809 LIBOBJFLAGS=""
 810 FFLDFLAGS=-Wl,--warn-common
 811 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
 812 FFSERVERLDFLAGS=-Wl,-E
 813 LDCONFIG="ldconfig"
 814 LIBPREF="lib"
 815 LIBSUF=".a"
 816 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
 817 SLIBPREF="lib"
 818 SLIBSUF=".so"
 819 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
 820 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
 821 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
 822 EXESUF=""
 823 BUILDSUF=""
 824 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
 825
 826 # find source path
 827 source_path="`dirname \"$0\"`"
 828 source_path_used="yes"
 829 if test -z "$source_path" -o "$source_path" = "." ; then
 830     source_path="`pwd`"
 831     source_path_used="no"
 832 else
 833     source_path="`cd \"$source_path\"; pwd`"
 834     echo "$source_path" | grep -q '[[:blank:]]' &&
 835       die "Out of tree builds are impossible with whitespace in source path."
 836 fi
 837
 838 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
 839     show_help
 840 fi
 841
 842 FFMPEG_CONFIGURATION="$@"
 843
 844 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
 845 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
 846 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
 847 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
 848 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
 849
 850 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
 851
 852 die_unknown(){
 853     echo "Unknown option \"$1\"."
 854     echo "See $0 --help for available options."
 855     exit 1
 856 }
 857
 858 for opt do
 859   optval="${opt#*=}"
 860   case "$opt" in
 861   --log)
 862   ;;
 863   --log=*) logging="$optval"
 864   ;;
 865   --prefix=*) PREFIX="$optval"
 866   ;;
 867   --libdir=*) libdir="$optval"
 868   ;;
 869   --shlibdir=*) shlibdir="$optval"
 870   ;;
 871   --incdir=*) incdir="$optval"
 872   ;;
 873   --mandir=*) mandir="$optval"
 874   ;;
 875   --source-path=*) source_path="$optval"
 876   ;;
 877   --cross-prefix=*) cross_prefix="$optval"
 878   ;;
 879   --cross-compile) cross_compile="yes"
 880   ;;
 881   --target-os=*) targetos="$optval"
 882   ;;
 883   --cc=*) cc="$optval"
 884   ;;
 885   --make=*) make="$optval"
 886   ;;
 887   --extra-cflags=*) add_cflags "$optval"
 888   ;;
 889   --extra-ldflags=*) add_ldflags "$optval"
 890   ;;
 891   --extra-libs=*) add_extralibs "$optval"
 892   ;;
 893   --build-suffix=*) BUILDSUF="$optval"
 894   ;;
 895   --arch=*) arch="$optval"
 896   ;;
 897   --cpu=*) cpu="$optval"
 898   ;;
 899   --enable-mingwce) wince="yes"
 900   ;;
 901   --disable-opts) optimize="no"
 902   ;;
 903   --enable-small) optimize="small"
 904   ;;
 905   --enable-sunmlib) mlib="yes"
 906   ;;
 907   --disable-strip) dostrip="no"
 908   ;;
 909   --disable-encoders) disable $ENCODER_LIST
 910   ;;
 911   --disable-decoders) disable $DECODER_LIST
 912   ;;
 913   --disable-muxers) disable $MUXER_LIST
 914   ;;
 915   --disable-demuxers) disable $DEMUXER_LIST
 916   ;;
 917   --disable-parsers) disable $PARSER_LIST
 918   ;;
 919   --enable-*=*|--disable-*=*)
 920   eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
 921   case "$thing" in
 922       encoder|decoder|muxer|demuxer|parser) $action ${optval}_${thing} ;;
 923       *) die_unknown "$opt" ;;
 924   esac
 925   ;;
 926   --enable-?*|--disable-?*)
 927   eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
 928   echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
 929   $action $option
 930   ;;
 931   --help) show_help
 932   ;;
 933   *)
 934   die_unknown $opt
 935   ;;
 936   esac
 937 done
 938
 939 # OS specific
 940 osextralibs="-lm"
 941 case $targetos in
 942   BeOS|Haiku|Zeta)
 943     PREFIX="$HOME/config"
 944     # helps building libavcodec
 945     add_cflags "-DPIC -fomit-frame-pointer"
 946     # 3 gcc releases known for BeOS, each with ugly bugs
 947     gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
 948     case "$gcc_version" in
 949       2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
 950         mmx="no"
 951         ;;
 952       *20010315*) echo "BeBits gcc"
 953         add_cflags "-fno-expensive-optimizations"
 954         ;;
 955     esac
 956     LDCONFIG="echo ignoring ldconfig"
 957     SHFLAGS=-nostart
 958     # disable Linux things
 959     dv1394="no"
 960     # enable BeOS things
 961     disabled audio_beos || enable_audio_beos
 962     # no need for libm, but the inet stuff
 963     # Check for BONE
 964     # XXX: actually should check for NOT net_server
 965     if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
 966         osextralibs="-lbind -lsocket"
 967     else
 968         beos_netserver="yes"
 969         osextralibs="-lnet"
 970     fi ;;
 971   SunOS)
 972     dv1394="no"
 973     FFLDFLAGS=""
 974     FFSERVERLDFLAGS=""
 975     SHFLAGS="-shared -Wl,-h,\$@"
 976     add_extralibs "-lsocket -lnsl"
 977     ;;
 978   NetBSD)
 979     dv1394="no"
 980     add_extralibs "-lossaudio"
 981     ;;
 982   OpenBSD)
 983     dv1394="no"
 984     need_memalign="no"
 985     LIBOBJFLAGS="\$(PIC)"
 986     LDCONFIG="ldconfig -m \$(shlibdir)"
 987     SHFLAGS='-shared'
 988     SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
 989     SLIBNAME_WITH_VERSION='$(SLIBNAME)'
 990     SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
 991     add_extralibs "-lossaudio"
 992     ;;
 993   FreeBSD)
 994     dv1394="no"
 995     need_memalign="no"
 996     add_cflags "-pthread"
 997     ;;
 998   GNU/kFreeBSD)
 999     dv1394="no"
1000     add_cflags "-pthread"
1001     ;;
1002   BSD/OS)
1003     dv1394="no"
1004     osextralibs="-lpoll -lgnugetopt -lm"
1005     strip="strip -d"
1006     ;;
1007   Darwin)
1008     cc="cc"
1009     dv1394="no"
1010     need_memalign="no"
1011     SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1012     VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1013     osextralibs=""
1014     strip="strip -x"
1015     FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1016     SLIBSUF=".dylib"
1017     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1018     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1019     FFSERVERLDFLAGS=-Wl,-bind_at_load
1020     ;;
1021   MINGW32*)
1022     # Note: the rest of the mingw32 config is done afterwards as mingw32
1023     # can be forced on the command line for Linux cross compilation.
1024     mingw32="yes"
1025     ;;
1026   CYGWIN*)
1027     targetos=CYGWIN
1028     shlibdir="$bindir"
1029     dv1394="no"
1030     VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1031     VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1032     osextralibs=""
1033     EXESUF=".exe"
1034     SLIBPREF="cyg"
1035     SLIBSUF=".dll"
1036     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1037     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1038     SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
1039     ;;
1040   Linux)
1041     LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1042     ;;
1043   IRIX*)
1044     targetos=IRIX
1045     ranlib="echo ignoring ranlib"
1046     ;;
1047   OS/2)
1048     TMPE=$TMPE".exe"
1049     ar="emxomfar -p128"
1050     ranlib="echo ignoring ranlib"
1051     strip="echo ignoring strip"
1052     add_cflags "-Zomf"
1053     FFLDFLAGS="-Zomf -Zstack 16384 -s"
1054     SHFLAGS="-Zdll -Zomf"
1055     FFSERVERLDFLAGS=""
1056     LIBPREF=""
1057     LIBSUF=".lib"
1058     SLIBPREF=""
1059     SLIBSUF=".dll"
1060     EXESUF=".exe"
1061     osextralibs=""
1062     pkg_requires=""
1063     dv1394="no"
1064     ffserver="no"
1065     vhook="no"
1066     os2="yes"
1067     ;;
1068   *)
1069     targetos="${targetos}-UNKNOWN"
1070     ;;
1071 esac
1072
1073 add_extralibs $osextralibs
1074
1075 if ! disabled logging ; then
1076     enabled logging || logfile="$logging"
1077     echo "# $0 $@" >$logfile
1078     set >>$logfile
1079 else
1080     logfile=/dev/null
1081 fi
1082
1083 if enabled_any mingw32 wince; then
1084     if enabled_all shared static; then
1085         cat <<EOF
1086 You can only build one library type at once on MinGW.
1087 Specify --disable-static --enable-shared to only build
1088 the shared libraries. To build only the static libraries
1089 you do not need to pass additional options.
1090 EOF
1091         exit 1
1092     fi
1093     dv1394="no"
1094     dc1394="no"
1095     ffserver="no"
1096     network="no"
1097     if enabled wince; then
1098         protocols="no"
1099     fi
1100     SLIBPREF=""
1101     SLIBSUF=".dll"
1102     EXESUF=".exe"
1103     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1104     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1105     SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1106     SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1107     SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1108 fi
1109
1110 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1111 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1112
1113 test -n "$cross_prefix" && cross_compile=yes
1114 cc="${cross_prefix}${cc}"
1115 ar="${cross_prefix}${ar}"
1116 ranlib="${cross_prefix}${ranlib}"
1117 strip="${cross_prefix}${strip}"
1118
1119 # we need to build at least one lib type
1120 if disabled_all static shared; then
1121     cat <<EOF
1122 At least one library type must be built.
1123 Specify --enable-static to build the static libraries or --enable-shared to
1124 build the shared libraries as well. To only build the shared libraries specify
1125 --disable-static in addition to --enable-shared.
1126 EOF
1127     exit 1;
1128 fi
1129
1130 if disabled libogg; then
1131     enabled libtheora && die "libogg must be enabled to enable libtheora."
1132     enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1133 fi
1134
1135 if enabled_any libfaad libfaadbin ; then
1136     if check_header faad.h; then
1137         check_cc << EOF
1138 #include <faad.h>
1139 #ifndef FAAD2_VERSION
1140 ok faad1
1141 #endif
1142 int main( void ) { return 0; }
1143 EOF
1144         test $? = 0 && enable libfaad2
1145     else
1146         die "FAAD test failed."
1147     fi
1148 fi
1149
1150
1151 if disabled gpl ; then
1152     die_gpl_disabled(){
1153         name=$1
1154         shift
1155         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1156     }
1157     die_gpl_disabled "The Postprocessing code" pp
1158     die_gpl_disabled "liba52"                  liba52
1159     die_gpl_disabled "libxvidcore"             xvid
1160     die_gpl_disabled "x264"                    x264
1161     die_gpl_disabled "libdts"                  libdts
1162     die_gpl_disabled "FAAD2"                   libfaad2
1163     die_gpl_disabled "The X11 grabber"         x11grab
1164     die_gpl_disabled "The software scaler"     swscaler
1165 fi
1166
1167 # compute MMX state
1168 if test $mmx = "default"; then
1169     if test $arch = "x86_32" -o $arch = "x86_64"; then
1170         mmx="yes"
1171     else
1172         mmx="no"
1173     fi
1174 fi
1175
1176 test -z "$need_memalign" && need_memalign="$mmx"
1177
1178 #Darwin CC versions
1179 needmdynamicnopic="no"
1180 if test $targetos = Darwin; then
1181     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1182         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1183     else
1184         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1185         case "$gcc_version" in
1186             *2.95*)
1187                 add_cflags "-no-cpp-precomp -pipe"
1188                 ;;
1189             *[34].*)
1190                 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1191                 if disabled shared; then
1192                    needmdynamicnopic="yes"
1193                 fi
1194                 ;;
1195             *)
1196                 add_cflags "-no-cpp-precomp -pipe"
1197                 if disabled shared; then
1198                    needmdynamicnopic="yes"
1199                 fi
1200                 ;;
1201         esac
1202     fi
1203 fi
1204
1205 disabled optimize || add_cflags -fomit-frame-pointer
1206
1207 # Can only do AltiVec on PowerPC
1208 if test $altivec = "default"; then
1209     if test $arch = "powerpc"; then
1210         altivec="yes"
1211     else
1212         altivec="no"
1213     fi
1214 fi
1215
1216 # Add processor-specific flags
1217 POWERPCMODE="32bits"
1218 if test $cpu != "generic"; then
1219     warn_altivec(){
1220         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1221     }
1222     case $cpu in
1223         601|ppc601|PowerPC601)
1224             add_cflags "-mcpu=601"
1225             warn_altivec enabled PPC601
1226         ;;
1227         603*|ppc603*|PowerPC603*)
1228             add_cflags "-mcpu=603"
1229             warn_altivec enabled PPC603
1230         ;;
1231         604*|ppc604*|PowerPC604*)
1232             add_cflags "-mcpu=604"
1233             warn_altivec enabled PPC604
1234         ;;
1235         G3|g3|75*|ppc75*|PowerPC75*)
1236             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1237             warn_altivec enabled PPC75x
1238         ;;
1239         G4|g4|745*|ppc745*|PowerPC745*)
1240             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1241             warn_altivec disabled PPC745x
1242         ;;
1243         74*|ppc74*|PowerPC74*)
1244             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1245             warn_altivec disabled PPC74xx
1246         ;;
1247         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1248             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1249             warn_altivec disabled PPC970
1250             POWERPCMODE="64bits"
1251         ;;
1252         # targets that do NOT support conditional mov (cmov)
1253         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1254             add_cflags "-march=$cpu"
1255             cmov="no"
1256         ;;
1257         # targets that do support conditional mov (cmov)
1258         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1259             add_cflags "-march=$cpu"
1260             cmov="yes"
1261             fast_cmov="yes"
1262         ;;
1263         # targets that do support conditional mov but on which it's slow
1264         pentium4|prescott|nocona)
1265             add_cflags "-march=$cpu"
1266             cmov="yes"
1267             fast_cmov="no"
1268         ;;
1269         sparc64)
1270             add_cflags "-mcpu=v9"
1271         ;;
1272         *)
1273         echo "WARNING: Unknown CPU \"$cpu\", ignored."
1274         ;;
1275     esac
1276 fi
1277
1278 gnu_make(){
1279     $1 --version 2>&1 | grep -q GNU
1280 }
1281
1282 if ! gnu_make $make; then
1283     gnu_make gmake && make=gmake || die "GNU make not found."
1284 fi
1285
1286 # make sure we can execute files in $TMPDIR
1287 cat >$TMPE 2>>$logfile <<EOF
1288 #! /bin/sh
1289 EOF
1290 chmod +x $TMPE >>$logfile 2>&1
1291 if ! $TMPE >>$logfile 2>&1; then
1292     cat <<EOF
1293 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1294 variable to another directory and make sure that $TMPDIR1 is not mounted
1295 noexec.
1296 EOF
1297     die "Sanity test failed."
1298 fi
1299 rm $TMPE
1300
1301 # compiler sanity check
1302 check_exec <<EOF
1303 int main(){
1304     return 0;
1305 }
1306 EOF
1307 if test "$?" != 0; then
1308     echo "$cc is unable to create an executable file."
1309     if test -z "$cross_prefix" && disabled cross_compile ; then
1310         echo "If $cc is a cross-compiler, use the --cross-compile option."
1311         echo "Only do this if you know what cross compiling means."
1312     fi
1313     die "C compiler test failed."
1314 fi
1315
1316 # check for assembler specific support
1317
1318 if test $arch = "powerpc"; then
1319 check_cc <<EOF && dcbzl=yes
1320 int main(void) {
1321     register long zero = 0;
1322     char data[1024];
1323     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1324 return 0;
1325 }
1326 EOF
1327 fi
1328
1329 # check for SIMD availability
1330
1331 # AltiVec flags: The FSF version of GCC differs from the Apple version
1332 if test $arch = "powerpc"; then
1333     if enabled altivec; then
1334         if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1335             add_cflags "-faltivec"
1336         else
1337             add_cflags "-maltivec -mabi=altivec"
1338         fi
1339     fi
1340 fi
1341
1342 check_header altivec.h
1343
1344 # check if our compiler supports Motorola AltiVec C API
1345 if enabled altivec; then
1346     if enabled altivec_h; then
1347         inc_altivec_h="#include <altivec.h>"
1348     else
1349         inc_altivec_h=
1350     fi
1351     check_cc <<EOF || altivec=no
1352 $inc_altivec_h
1353 int main(void) {
1354     vector signed int v1, v2, v3;
1355     v1 = vec_add(v2,v3);
1356     return 0;
1357 }
1358 EOF
1359 fi
1360
1361 # check armv5te instructions support
1362 if test $armv5te = "default" -a $arch = "armv4l"; then
1363     armv5te=no
1364     check_cc <<EOF && armv5te=yes
1365         int main(void) {
1366         __asm__ __volatile__ ("qadd r0, r0, r0");
1367         }
1368 EOF
1369 fi
1370
1371 if test $armv6 = "default" -a $arch = "armv4l"; then
1372     check_cc <<EOF && armv6=yes || armv6=no
1373 int main(void) {
1374     __asm__ __volatile__ ("sadd16 r0, r0, r0");
1375 }
1376 EOF
1377 fi
1378
1379 # check iwmmxt support
1380 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1381     iwmmxt=no
1382     check_cc <<EOF && iwmmxt=yes
1383         int main(void) {
1384         __asm__ __volatile__ ("wunpckelub wr6, wr4");
1385         }
1386 EOF
1387 fi
1388
1389 # mmi only available on mips
1390 if test $mmi = "default"; then
1391     if test $arch = "mips"; then
1392         mmi="yes"
1393     else
1394         mmi="no"
1395     fi
1396 fi
1397
1398 # check if our compiler supports mmi
1399 enabled mmi && check_cc <<EOF || mmi="no"
1400 int main(void) {
1401     __asm__ ("lq \$2, 0(\$2)");
1402     return 0;
1403 }
1404 EOF
1405
1406 # ---
1407 # big/little-endian test
1408 if disabled cross_compile; then
1409     check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1410 #include <inttypes.h>
1411 int main(int argc, char ** argv){
1412         volatile uint32_t i=0x01234567;
1413         return (*((uint8_t*)(&i))) == 0x67;
1414 }
1415 EOF
1416 else
1417     # programs cannot be launched if cross compiling, so make a static guess
1418     if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1419         bigendian="yes"
1420     fi
1421 fi
1422
1423 # ---
1424 # check availability of some header files
1425
1426 check_header malloc.h
1427 check_func memalign
1428
1429 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1430     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1431 fi
1432
1433 check_header byteswap.h
1434
1435 check_func inet_aton
1436 check_func localtime_r
1437 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1438
1439 # ffserver uses poll(),
1440 # if it's not found we can emulate it using select().
1441 if enabled ffserver; then
1442     check_header sys/poll.h
1443 fi
1444
1445 # check for some common methods of building with pthread support
1446 # do this before the optional library checks as some of them require pthreads
1447 if enabled pthreads; then
1448     if check_func pthread_create; then
1449         :
1450     elif check_func pthread_create -pthread; then
1451         add_cflags -pthread
1452         add_ldflags -pthread
1453     elif check_func pthread_create -pthreads; then
1454         add_cflags -pthreads
1455         add_ldflags -pthreads
1456     elif ! check_lib pthread.h pthread_create -lpthread; then
1457         die "ERROR: can't find pthreads library"
1458     fi
1459 fi
1460
1461 for thread in pthreads beosthreads os2threads w32threads; do
1462     if enabled $thread; then
1463         if ! disabled thread_type ; then
1464             die "ERROR: Only one thread type must be selected."
1465         else
1466             thread_type="$thread"
1467         fi
1468     fi
1469 done
1470
1471 enabled_any amr_nb amr_nb_fixed amr_wb amr_if2 && enable amr
1472 enabled_all amr_nb amr_nb_fixed &&
1473     die "Only one of amr_nb and amr_nb_fixed may be enabled."
1474
1475 # these are off by default, so fail if requested and not available
1476 enabled liba52     && require liba52 a52dec/a52.h a52_init -la52
1477 enabled libdts     && require libdts dts.h dts_init -ldts -lm
1478 enabled libgsm     && require libgsm gsm.h gsm_create -lgsm
1479 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1480 enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
1481 enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1482 enabled libogg     && require libogg ogg/ogg.h ogg_sync_init -logg
1483 enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
1484 enabled xvid       && require XviD xvid.h xvid_global -lxvidcore
1485 enabled x264       && require x264 x264.h x264_encoder_open -lx264
1486 enabled dc1394     && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1487 enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1488
1489 # Ugh, libfaac uses stdcall calling convention on win32 so we can't use
1490 # the generic test functions
1491 if enabled libfaac; then
1492     save_flags
1493     temp_extralibs -lfaac
1494     check_ld <<EOF && add_extralibs -lfaac || die "ERROR: libfaac not found"
1495 #include <stdint.h>
1496 #include <faac.h>
1497 int main(){
1498     char *id, *cpr;
1499     faacEncGetVersion(&id, &cpr);
1500     return 0;
1501 }
1502 EOF
1503     restore_flags
1504 fi
1505
1506 # Ugh, recent faad2 versions have renamed all functions and #define the
1507 # old names in faad.h.  Generic tests won't work.
1508 if enabled libfaad; then
1509     save_flags
1510     temp_extralibs -lfaad
1511     check_ld <<EOF && add_extralibs -lfaad || die "ERROR: libfaad not found"
1512 #include <faad.h>
1513 int main(){
1514     faacDecOpen();
1515     return 0;
1516 }
1517 EOF
1518     restore_flags
1519 fi
1520
1521 # Ugh, avisynth uses WINAPI calls. Generic tests won't work.
1522 if enabled avisynth; then
1523     save_flags
1524     temp_extralibs -lvfw32
1525     check_ld <<EOF && add_extralibs -lvfw32 || die "ERROR: vfw32 not found"
1526 #include <windows.h>
1527 #include <vfw.h>
1528 int main(){
1529     AVIFileInit();
1530     return 0;
1531 }
1532 EOF
1533     restore_flags
1534 fi
1535
1536
1537 # test for lrintf in math.h
1538 check_exec <<EOF && lrintf=yes || lrintf=no
1539 #define _ISOC9X_SOURCE  1
1540 #include <math.h>
1541 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1542 EOF
1543
1544 _restrict=
1545 for restrict_keyword in restrict __restrict__ __restrict; do
1546     check_cc <<EOF && _restrict=$restrict_keyword && break
1547 void foo(char * $restrict_keyword p);
1548 EOF
1549 done
1550
1551 # dlopen/dlfcn.h probing
1552
1553 check_header dlfcn.h
1554
1555 if check_func dlopen; then
1556     ldl=
1557 elif check_func dlopen -ldl; then
1558     ldl=-ldl
1559 fi
1560
1561 test "$vhook" = "default" && vhook="$dlopen"
1562
1563 enabled_any vhook liba52bin libfaadbin && add_extralibs $ldl
1564
1565 if test "$targetos" = "CYGWIN" && enabled static ; then
1566     vhook="no"
1567     echo
1568     echo "At the moment vhooks don't work on Cygwin static builds."
1569     echo "Patches welcome."
1570     echo
1571 fi
1572
1573 if enabled vhook; then
1574     check_ldflags -rdynamic
1575     check_ldflags -export-dynamic
1576 fi
1577
1578 enabled audio_beos && add_extralibs "-lmedia -lbe"
1579
1580 enabled mingw32 && add_extralibs -lws2_32
1581
1582 ##########################################
1583 # imlib check
1584
1585 imlib2=no
1586 if imlib2-config --version >/dev/null 2>&1; then
1587     temp_cflags `imlib2-config --cflags`
1588     temp_extralibs `imlib2-config --libs`
1589     check_lib Imlib2.h imlib_load_font && enable imlib2
1590     restore_flags
1591 fi
1592
1593 ##########################################
1594 # FreeType check
1595
1596 freetype2=no
1597 if freetype-config --version >/dev/null 2>&1; then
1598     temp_cflags `freetype-config --cflags`
1599     temp_extralibs `freetype-config --libs`
1600     check_lib ft2build.h FT_Init_FreeType && enable freetype2
1601     restore_flags
1602 fi
1603
1604 ##########################################
1605 # SDL check
1606
1607 sdl_too_old=no
1608 sdl=no
1609 SDL_CONFIG="${cross_prefix}sdl-config"
1610 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1611     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1612     temp_cflags $sdl_cflags
1613     temp_extralibs `"${SDL_CONFIG}" --libs`
1614     if check_lib SDL.h SDL_Init; then
1615         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1616         if test "$_sdlversion" -lt 121 ; then
1617             sdl_too_old=yes
1618         else
1619             sdl=yes
1620             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1621 #include <SDL.h>
1622 int main(void){
1623     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1624     int w = vi->current_w;
1625     return 0;
1626 }
1627 EOF
1628         fi
1629     fi
1630     restore_flags
1631 fi
1632
1633 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1634
1635 ##########################################
1636 # IPv6 check
1637
1638 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1639 #include <sys/types.h>
1640 #include <sys/socket.h>
1641 #include <netinet/in.h>
1642 #include <netdb.h>
1643 int main( void ) {
1644   struct sockaddr_storage saddr;
1645   struct ipv6_mreq mreq6;
1646   getaddrinfo(0,0,0,0);
1647   getnameinfo(0,0,0,0,0,0,0);
1648   IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1649 }
1650 EOF
1651
1652 enabled v4l  && check_header linux/videodev.h  || disable v4l
1653 enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1654
1655 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1656 if enabled bktr; then
1657     { check_header dev/bktr/ioctl_meteor.h &&
1658       check_header dev/bktr/ioctl_bt848.h; } ||
1659     { check_header machine/ioctl_meteor.h &&
1660       check_header machine/ioctl_bt848.h; } ||
1661     { check_header dev/video/meteor/ioctl_meteor.h &&
1662       check_header dev/video/bktr/ioctl_bt848.h; } ||
1663     check_header dev/ic/bt8xx.h ||
1664     disable bktr
1665 fi
1666
1667 enabled audio_oss &&
1668     check_header sys/soundcard.h ||
1669     check_header soundcard.h ||
1670     disable audio_oss
1671
1672 # Deal with the x11 frame grabber
1673 enabled x11grab                         &&
1674 enabled gpl                             &&
1675 enabled x11_grab_device_demuxer         &&
1676 check_header X11/Xlib.h                 &&
1677 check_header X11/extensions/XShm.h      &&
1678 check_func XOpenDisplay -lX11           &&
1679 check_func XShmCreateImage -lX11 -lXext &&
1680 add_extralibs -lX11 -lXext              ||
1681 disable x11_grab_device_demuxer
1682
1683 enabled debug && add_cflags -g
1684
1685 # add some useful compiler flags if supported
1686 check_cflags -Wdeclaration-after-statement
1687 check_cflags -Wall
1688 check_cflags -Wno-switch
1689 check_cflags -Wdisabled-optimization
1690 check_cflags -Wpointer-arith
1691 check_cflags -Wredundant-decls
1692 check_cflags -Wno-pointer-sign
1693 enabled extra_warnings && check_cflags -Winline
1694
1695 # add some linker flags
1696 check_ldflags $LDLATEFLAGS
1697
1698 # not all compilers support -Os
1699 test "$optimize" = "small" && check_cflags -Os
1700
1701 if enabled optimize; then
1702     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1703         add_cflags  "-O5"
1704         add_ldflags "-O5"
1705     else
1706         add_cflags "-O3"
1707     fi
1708 fi
1709
1710 # PIC flags for shared library objects where they are needed
1711 if enabled shared; then
1712     # LIBOBJFLAGS may have already been set in the OS configuration
1713     if test -z "$LIBOBJFLAGS" ; then
1714         case "$arch" in
1715             x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1716         esac
1717     fi
1718 fi
1719
1720 if enabled gprof; then
1721     add_cflags  "-p"
1722     add_ldflags "-p"
1723 fi
1724
1725 VHOOKCFLAGS="-fPIC $CFLAGS"
1726 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1727
1728 # find if .align arg is power-of-two or not
1729 if test $asmalign_pot = "unknown"; then
1730     asmalign_pot="no"
1731     echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1732 fi
1733
1734 enabled_any $ENCODER_LIST && enable encoders
1735 enabled_any $DECODER_LIST && enable decoders
1736 enabled_any $MUXER_LIST   && enable muxers
1737 enabled_any $DEMUXER_LIST && enable demuxers
1738
1739 enabled_any pthreads beosthreads os2threads w32threads && enable threads
1740
1741 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1742     $DEMUXER_LIST $MUXER_LIST
1743
1744 enabled libogg    && append pkg_requires "ogg >= 1.1"
1745 enabled libtheora && append pkg_requires "theora"
1746 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1747 enabled dc1394    && append pkg_requires "libraw1394"
1748
1749 echo "install prefix            $PREFIX"
1750 echo "source path               $source_path"
1751 echo "C compiler                $cc"
1752 echo "make                      $make"
1753 echo ".align is power-of-two    $asmalign_pot"
1754 echo "ARCH                      $arch ($cpu)"
1755 if test "$BUILDSUF" != ""; then
1756     echo "build suffix              $BUILDSUF"
1757 fi
1758 echo "big-endian                $bigendian"
1759 if test $arch = "x86_32" -o $arch = "x86_64"; then
1760     echo "MMX enabled               $mmx"
1761     echo "CMOV enabled              $cmov"
1762     echo "CMOV is fast              $fast_cmov"
1763 fi
1764 if test $arch = "armv4l"; then
1765     echo "ARMv5TE enabled           $armv5te"
1766     echo "ARMv6 enabled             $armv6"
1767     echo "IWMMXT enabled            $iwmmxt"
1768 fi
1769 if test $arch = "mips"; then
1770     echo "MMI enabled               $mmi"
1771 fi
1772 if test $arch = "powerpc"; then
1773     echo "AltiVec enabled           $altivec"
1774     echo "dcbzl available           $dcbzl"
1775 fi
1776 echo "gprof enabled             $gprof"
1777 echo "debug symbols             $debug"
1778 echo "strip symbols             $dostrip"
1779 echo "optimize                  $optimize"
1780 echo "static                    $static"
1781 echo "shared                    $shared"
1782 echo "postprocessing support    $pp"
1783 echo "software scaler enabled   $swscaler"
1784 echo "video hooking             $vhook"
1785 if enabled vhook; then
1786     echo "Imlib2 support            $imlib2"
1787     echo "FreeType support          $freetype2"
1788 fi
1789 echo "network support           $network"
1790 if enabled network; then
1791     echo "IPv6 support              $ipv6"
1792 fi
1793 echo "threading support         $thread_type"
1794 echo "SDL support               $sdl"
1795 if enabled sdl_too_old; then
1796     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1797 fi
1798 echo "Sun medialib support      $mlib"
1799 echo "AVISynth enabled          $avisynth"
1800 echo "liba52 support            $liba52"
1801 echo "liba52 dlopened           $liba52bin"
1802 echo "libdts support            $libdts"
1803 echo "libfaac enabled           $libfaac"
1804 echo "libfaad enabled           $libfaad"
1805 echo "faadbin enabled           $libfaadbin"
1806 echo "libgsm enabled            $libgsm"
1807 echo "libmp3lame enabled        $libmp3lame"
1808 echo "libnut enabled            $libnut"
1809 echo "libogg enabled            $libogg"
1810 echo "libtheora enabled         $libtheora"
1811 echo "libvorbis enabled         $libvorbis"
1812 echo "x264 enabled              $x264"
1813 echo "XviD enabled              $xvid"
1814 echo "zlib enabled              $zlib"
1815 echo "AMR-NB float support      $amr_nb"
1816 echo "AMR-NB fixed support      $amr_nb_fixed"
1817 echo "AMR-WB float support      $amr_wb"
1818 echo "AMR-WB IF2 support        $amr_if2"
1819 if disabled gpl; then
1820     echo "License: LGPL"
1821 else
1822     echo "License: GPL"
1823 fi
1824
1825 echo "Creating config.mak and config.h..."
1826
1827 echo "# Automatically generated by configure - do not modify!" > config.mak
1828 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1829 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1830
1831 echo "PREFIX=$PREFIX" >> config.mak
1832 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1833 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1834 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1835 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1836 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1837 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1838 echo "MAKE=$make" >> config.mak
1839 echo "CC=$cc" >> config.mak
1840 echo "AR=$ar" >> config.mak
1841 echo "RANLIB=$ranlib" >> config.mak
1842 if enabled dostrip; then
1843     echo "STRIP=$strip" >> config.mak
1844 else
1845     echo "STRIP=echo ignoring strip" >> config.mak
1846 fi
1847
1848 echo "OPTFLAGS=$CFLAGS" >> config.mak
1849 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1850 echo "LDFLAGS=$LDFLAGS" >> config.mak
1851 echo "LDCONFIG=$LDCONFIG" >> config.mak
1852 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1853 echo "SHFLAGS=$SHFLAGS" >> config.mak
1854 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1855 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1856 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1857 echo "BUILD_STATIC=$static" >> config.mak
1858 echo "BUILDSUF=$BUILDSUF" >> config.mak
1859 echo "LIBPREF=$LIBPREF" >> config.mak
1860 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1861 if enabled static; then
1862   echo "LIB=$LIB" >> config.mak
1863 else # Some Make complain if this variable does not exist.
1864   echo "LIB=" >> config.mak
1865 fi
1866 echo "SLIBPREF=$SLIBPREF" >> config.mak
1867 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1868 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1869 echo "TARGET_OS=$targetos" >> config.mak
1870
1871 ucarch=`toupper $arch`
1872 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1873 echo "#define ARCH_${ucarch} 1" >> $TMPH
1874
1875 # special cases
1876 case "$arch" in
1877     x86_32|x86_64)
1878         echo "TARGET_ARCH_X86=yes" >> config.mak
1879         echo "#define ARCH_X86 1" >> $TMPH
1880         ;;
1881     powerpc)
1882         if test "$POWERPCMODE" = "64bits"; then
1883             echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1884         fi
1885         ;;
1886     sparc64)
1887         echo "TARGET_ARCH_SPARC=yes" >> config.mak
1888         echo "#define ARCH_SPARC 1" >> $TMPH
1889         ;;
1890 esac
1891
1892 if enabled bigendian; then
1893   echo "WORDS_BIGENDIAN=yes" >> config.mak
1894   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1895 fi
1896 if enabled mmx; then
1897   echo "#define __CPU__ 586" >> $TMPH
1898 fi
1899
1900 if enabled sdl; then
1901   echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1902   echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1903 fi
1904 if enabled texi2html; then
1905   echo "BUILD_DOC=yes" >> config.mak
1906 fi
1907
1908 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1909 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1910 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1911 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1912 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1913
1914
1915
1916 if enabled shared; then
1917   echo "BUILD_SHARED=yes" >> config.mak
1918   echo "PIC=-fPIC -DPIC" >> config.mak
1919   echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1920   echo "SPPVERSION=$pp_version" >> config.mak
1921   echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1922   echo "LAVCVERSION=$lavc_version" >> config.mak
1923   echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1924   echo "LAVFVERSION=$lavf_version" >> config.mak
1925   echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1926   echo "LAVUVERSION=$lavu_version" >> config.mak
1927   echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1928   echo "SWSVERSION=$sws_version" >> config.mak
1929   echo "SLIBNAME=${SLIBNAME}" >> config.mak
1930   echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1931   echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1932   echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1933   echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1934 fi
1935 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1936 echo "EXTRALIBS=$extralibs" >> config.mak
1937
1938 print_config HAVE_   $TMPH config.mak $HAVE_LIST
1939 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1940 print_config TARGET_ $TMPH config.mak $TARGET_LIST
1941
1942 if test "$targetos" = "Darwin"; then
1943   echo "#define CONFIG_DARWIN 1"  >> $TMPH
1944 fi
1945
1946 echo "#define restrict $_restrict" >> $TMPH
1947
1948 if test "$optimize" = "small"; then
1949   echo "#define always_inline"  >> $TMPH
1950   echo "#define CONFIG_SMALL 1" >> $TMPH
1951 fi
1952
1953 echo "SRC_PATH=\"$source_path\"" >> config.mak
1954 echo "SRC_PATH_BARE=$source_path" >> config.mak
1955 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1956
1957 if enabled amr_if2; then
1958   echo "AMR_CFLAGS=-DIF2=1" >> config.mak
1959 fi
1960
1961 # Apparently it's not possible to portably echo a backslash.
1962 if enabled asmalign_pot; then
1963   printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
1964 else
1965   printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1966 fi
1967
1968
1969 for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
1970     ucname="`toupper $codec`"
1971     config_name="CONFIG_$ucname"
1972     enabled_name="ENABLE_$ucname"
1973     if enabled $codec; then
1974         echo "#define $config_name 1" >> $TMPH
1975         echo "#define $enabled_name 1" >> $TMPH
1976         echo "$config_name=yes" >> config.mak
1977     else
1978         echo "#define $enabled_name 0" >> $TMPH
1979     fi
1980 done
1981
1982 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1983 if ! cmp -s $TMPH config.h; then
1984         mv -f $TMPH config.h
1985 else
1986         echo "config.h is unchanged"
1987 fi
1988
1989 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
1990
1991 # build tree in object directory if source path is different from current one
1992 if enabled source_path_used; then
1993     DIRS="\
1994          doc \
1995          libavformat \
1996          libavcodec \
1997          libavcodec/alpha \
1998          libavcodec/armv4l \
1999          libavcodec/bfin \
2000          libavcodec/i386 \
2001          libavcodec/sparc \
2002          libavcodec/mlib \
2003          libavcodec/ppc \
2004          libavcodec/amr \
2005          libavcodec/amr_float \
2006          libavcodec/amrwb_float \
2007          libpostproc \
2008          libavutil \
2009          libswscale \
2010          tests \
2011          vhook \
2012          "
2013     FILES="\
2014           Makefile \
2015           common.mak \
2016           libavformat/Makefile \
2017           libavcodec/Makefile \
2018           libpostproc/Makefile \
2019           libavutil/Makefile \
2020           libswscale/Makefile \
2021           tests/Makefile \
2022           vhook/Makefile \
2023           doc/Makefile \
2024           doc/texi2pod.pl \
2025           "
2026     for dir in $DIRS ; do
2027             mkdir -p $dir
2028     done
2029     for f in $FILES ; do
2030         ln -sf "$source_path/$f" $f
2031     done
2032 fi
2033
2034
2035 # build pkg-config files
2036 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2037
2038 pkgconfig_generate(){
2039 name=$1
2040 comment=$2
2041 version=$3
2042 libs=$4
2043 requires=$5
2044 include=$6
2045 cat <<EOF >$name.pc
2046 prefix=$PREFIX
2047 exec_prefix=\${prefix}
2048 libdir=\${exec_prefix}/lib
2049 includedir=\${prefix}/include
2050
2051 Name: $name
2052 Description: $comment
2053 Version: $version
2054 Requires: $requires
2055 Conflicts:
2056 Libs: -L\${libdir} $libs
2057 Cflags: -I\${includedir} -I\${includedir}/$include
2058 EOF
2059 }
2060
2061 pkgconfig_generate_uninstalled(){
2062 name=$1
2063 shortname=${name#lib}
2064 comment=$2
2065 version=$3
2066 libs=$4
2067 requires=$5
2068 cat <<EOF >$name-uninstalled.pc
2069 prefix=
2070 exec_prefix=
2071 libdir=\${pcfiledir}/$name
2072 includedir=\${pcfiledir}/$name
2073
2074 Name: $name
2075 Description: $comment
2076 Version: $version
2077 Requires: $requires
2078 Conflicts:
2079 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2080 Cflags: -I\${includedir}
2081 EOF
2082 }
2083
2084 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2085 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2086
2087 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2088 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2089
2090 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2091 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2092
2093 if enabled pp; then
2094   pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2095   pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2096 fi
2097
2098 if enabled swscaler; then
2099   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "libavutil = $lavu_version" swscale
2100   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2101 else
2102   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale
2103   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2104   apply libswscale.pc sed s/^Libs:.*$/Libs:/
2105   apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2106 fi