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