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     video4linux
 511     video4linux2
 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     $TARGET_LIST
 572     debug
 573     extra_warnings
 574     mingw32
 575     shared
 576     static
 577     beosthreads
 578     os2threads
 579     pthreads
 580     w32threads
 581 "
 582
 583 flashsv_decoder_deps="zlib"
 584 flashsv_encoder_deps="zlib"
 585 mpeg_xvmc_decoder_deps="xvmc"
 586 png_decoder_deps="zlib"
 587 png_encoder_deps="zlib"
 588 x264_encoder_deps="x264"
 589 xvid_encoder_deps="xvid"
 590 zmbv_decoder_deps="zlib"
 591 zmbv_encoder_deps="zlib"
 592
 593 aac_decoder_deps="libfaad"
 594 mpeg4aac_decoder_deps="libfaad"
 595 amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
 596 amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
 597 amr_wb_decoder_deps="amr_wb"
 598 amr_wb_encoder_deps="amr_wb"
 599 dts_decoder_deps="libdts"
 600 faac_encoder_deps="libfaac"
 601 liba52_decoder_deps="liba52"
 602 libgsm_decoder_deps="libgsm"
 603 libgsm_encoder_deps="libgsm"
 604 libtheora_encoder_deps="libtheora"
 605 mp3lame_encoder_deps="libmp3lame"
 606 oggvorbis_decoder_deps="libvorbis"
 607 oggvorbis_encoder_deps="libvorbis"
 608
 609 audio_demuxer_deps_any="audio_oss audio_beos"
 610 audio_muxer_deps_any="audio_oss audio_beos"
 611 dc1394_demuxer_deps="dc1394"
 612 dv1394_demuxer_deps="dv1394"
 613 gxf_muxer_deps="gpl"
 614 libnut_demuxer_deps="libnut"
 615 libnut_muxer_deps="libnut"
 616 ogg_muxer_deps="libogg"
 617 redir_demuxer_deps="network"
 618 rtp_muxer_deps="network"
 619 rtsp_demuxer_deps="network"
 620 sdp_demuxer_deps="network"
 621 v4l2_demuxer_deps="video4linux2"
 622 video_grab_device_demuxer_deps_any="video4linux bktr"
 623 x11_grab_device_demuxer_deps="x11grab"
 624
 625 ffplay_deps="sdl"
 626 ffserver_deps="network protocols muxers"
 627 network_deps="protocols"
 628
 629 # set temporary file name
 630 if test ! -z "$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 video4linux2="yes"
 749 video4linux="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   --disable-v4l) video4linux="no"
1034   ;;
1035   --disable-v4l2) video4linux2="no"
1036   ;;
1037   --enable-mingwce) wince="yes"
1038   ;;
1039   --disable-opts) optimize="no"
1040   ;;
1041   --enable-small) optimize="small"
1042   ;;
1043   --enable-sunmlib) mlib="yes"
1044   ;;
1045   --disable-strip) dostrip="no"
1046   ;;
1047   --enable-encoder=*) enable ${optval}_encoder
1048   ;;
1049   --enable-decoder=*) enable ${optval}_decoder
1050   ;;
1051   --disable-encoder=*) disable ${optval}_encoder
1052   ;;
1053   --disable-decoder=*) disable ${optval}_decoder
1054   ;;
1055   --disable-encoders) disable $ENCODER_LIST
1056   ;;
1057   --disable-decoders) disable $DECODER_LIST
1058   ;;
1059   --enable-muxer=*) enable ${optval}_muxer
1060   ;;
1061   --disable-muxer=*) disable ${optval}_muxer
1062   ;;
1063   --disable-muxers) disable $MUXER_LIST
1064   ;;
1065   --enable-demuxer=*) enable ${optval}_demuxer
1066   ;;
1067   --disable-demuxer=*) disable ${optval}_demuxer
1068   ;;
1069   --disable-demuxers) disable $DEMUXER_LIST
1070   ;;
1071   --enable-parser=*) enable ${optval}_parser
1072   ;;
1073   --disable-parser=*) disable ${optval}_parser
1074   ;;
1075   --disable-parsers) disable $PARSER_LIST
1076   ;;
1077   --enable-?*|--disable-?*)
1078   eval `echo "${opt#-}" | sed 's/-/action=/;s/-/ option=/;s/-/_/g'`
1079   echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
1080   $action $option
1081   ;;
1082   --help) show_help
1083   ;;
1084   *)
1085   die_unknown $opt
1086   ;;
1087   esac
1088 done
1089
1090 if ! disabled logging ; then
1091     enabled logging || logfile="$logging"
1092     echo "# $0 $@" >$logfile
1093     set >>$logfile
1094 else
1095     logfile=/dev/null
1096 fi
1097
1098 if enabled_any mingw32 wince; then
1099     if enabled_all shared static; then
1100         cat <<EOF
1101 You can only build one library type at once on MinGW.
1102 Specify --disable-static --enable-shared to only build
1103 the shared libraries. To build only the static libraries
1104 you do not need to pass additional options.
1105 EOF
1106         exit 1
1107     fi
1108     dv1394="no"
1109     dc1394="no"
1110     ffserver="no"
1111     network="no"
1112     if enabled wince; then
1113         protocols="no"
1114     fi
1115     SLIBPREF=""
1116     SLIBSUF=".dll"
1117     EXESUF=".exe"
1118     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1119     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1120     SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1121     SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1122     SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1123 fi
1124
1125 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1126 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1127
1128 test -n "$cross_prefix" && cross_compile=yes
1129 cc="${cross_prefix}${cc}"
1130 ar="${cross_prefix}${ar}"
1131 ranlib="${cross_prefix}${ranlib}"
1132 strip="${cross_prefix}${strip}"
1133
1134 # we need to build at least one lib type
1135 if disabled_all static shared; then
1136     cat <<EOF
1137 At least one library type must be built.
1138 Specify --enable-static to build the static libraries or --enable-shared to
1139 build the shared libraries as well. To only build the shared libraries specify
1140 --disable-static in addition to --enable-shared.
1141 EOF
1142     exit 1;
1143 fi
1144
1145 if disabled libogg; then
1146     enabled libtheora && die "libogg must be enabled to enable libtheora."
1147     enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1148 fi
1149
1150 if enabled_any libfaad libfaadbin ; then
1151     if check_header faad.h; then
1152         check_cc << EOF
1153 #include <faad.h>
1154 #ifndef FAAD2_VERSION
1155 ok faad1
1156 #endif
1157 int main( void ) { return 0; }
1158 EOF
1159         test $? = 0 && enable libfaad2
1160     else
1161         die "FAAD test failed."
1162     fi
1163 fi
1164
1165
1166 if disabled gpl ; then
1167     die_gpl_disabled(){
1168         name=$1
1169         shift
1170         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1171     }
1172     die_gpl_disabled "The Postprocessing code" pp
1173     die_gpl_disabled "liba52"                  liba52
1174     die_gpl_disabled "libxvidcore"             xvid
1175     die_gpl_disabled "x264"                    x264
1176     die_gpl_disabled "libdts"                  libdts
1177     die_gpl_disabled "FAAD2"                   libfaad2
1178     die_gpl_disabled "The X11 grabber"         x11grab
1179     die_gpl_disabled "The software scaler"     swscaler
1180 fi
1181
1182 # compute MMX state
1183 if test $mmx = "default"; then
1184     if test $arch = "x86_32" -o $arch = "x86_64"; then
1185         mmx="yes"
1186     else
1187         mmx="no"
1188     fi
1189 fi
1190
1191 test -z "$need_memalign" && need_memalign="$mmx"
1192
1193 #Darwin CC versions
1194 needmdynamicnopic="no"
1195 if test $targetos = Darwin; then
1196     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1197         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1198     else
1199         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1200         case "$gcc_version" in
1201             *2.95*)
1202                 add_cflags "-no-cpp-precomp -pipe"
1203                 ;;
1204             *[34].*)
1205                 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1206                 if disabled shared; then
1207                    needmdynamicnopic="yes"
1208                 fi
1209                 ;;
1210             *)
1211                 add_cflags "-no-cpp-precomp -pipe"
1212                 if disabled shared; then
1213                    needmdynamicnopic="yes"
1214                 fi
1215                 ;;
1216         esac
1217     fi
1218 fi
1219
1220 disabled optimize || add_cflags -fomit-frame-pointer
1221
1222 # Can only do AltiVec on PowerPC
1223 if test $altivec = "default"; then
1224     if test $arch = "powerpc"; then
1225         altivec="yes"
1226     else
1227         altivec="no"
1228     fi
1229 fi
1230
1231 # Add processor-specific flags
1232 POWERPCMODE="32bits"
1233 if test $cpu != "generic"; then
1234     warn_altivec(){
1235         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1236     }
1237     case $cpu in
1238         601|ppc601|PowerPC601)
1239             add_cflags "-mcpu=601"
1240             warn_altivec enabled PPC601
1241         ;;
1242         603*|ppc603*|PowerPC603*)
1243             add_cflags "-mcpu=603"
1244             warn_altivec enabled PPC603
1245         ;;
1246         604*|ppc604*|PowerPC604*)
1247             add_cflags "-mcpu=604"
1248             warn_altivec enabled PPC604
1249         ;;
1250         G3|g3|75*|ppc75*|PowerPC75*)
1251             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1252             warn_altivec enabled PPC75x
1253         ;;
1254         G4|g4|745*|ppc745*|PowerPC745*)
1255             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1256             warn_altivec disabled PPC745x
1257         ;;
1258         74*|ppc74*|PowerPC74*)
1259             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1260             warn_altivec disabled PPC74xx
1261         ;;
1262         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1263             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1264             warn_altivec disabled PPC970
1265             POWERPCMODE="64bits"
1266         ;;
1267         # targets that do NOT support conditional mov (cmov)
1268         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1269             add_cflags "-march=$cpu"
1270             cmov="no"
1271         ;;
1272         # targets that do support conditional mov (cmov)
1273         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1274             add_cflags "-march=$cpu"
1275             cmov="yes"
1276             fast_cmov="yes"
1277         ;;
1278         # targets that do support conditional mov but on which it's slow
1279         pentium4|prescott|nocona)
1280             add_cflags "-march=$cpu"
1281             cmov="yes"
1282             fast_cmov="no"
1283         ;;
1284         sparc64)
1285             add_cflags "-mcpu=v9"
1286         ;;
1287         *)
1288         echo "WARNING: Unknown CPU \"$cpu\", ignored."
1289         ;;
1290     esac
1291 fi
1292
1293 gnu_make(){
1294     $1 --version 2>&1 | grep -q GNU
1295 }
1296
1297 if ! gnu_make $make; then
1298     gnu_make gmake && make=gmake || die "GNU make not found."
1299 fi
1300
1301 # make sure we can execute files in $TMPDIR
1302 cat >$TMPE 2>>$logfile <<EOF
1303 #! /bin/sh
1304 EOF
1305 chmod +x $TMPE >>$logfile 2>&1
1306 if ! $TMPE >>$logfile 2>&1; then
1307     cat <<EOF
1308 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1309 variable to another directory and make sure that $TMPDIR1 is not mounted
1310 noexec.
1311 EOF
1312     die "Sanity test failed."
1313 fi
1314 rm $TMPE
1315
1316 # compiler sanity check
1317 check_exec <<EOF
1318 int main(){
1319     return 0;
1320 }
1321 EOF
1322 if test "$?" != 0; then
1323     echo "$cc is unable to create an executable file."
1324     if test -z "$cross_prefix" && disabled cross_compile ; then
1325         echo "If $cc is a cross-compiler, use the --cross-compile option."
1326         echo "Only do this if you know what cross compiling means."
1327     fi
1328     die "C compiler test failed."
1329 fi
1330
1331 # check for assembler specific support
1332
1333 if test $arch = "powerpc"; then
1334 check_cc <<EOF && dcbzl=yes
1335 int main(void) {
1336     register long zero = 0;
1337     char data[1024];
1338     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1339 return 0;
1340 }
1341 EOF
1342 fi
1343
1344 # check for SIMD availability
1345
1346 # AltiVec flags: The FSF version of GCC differs from the Apple version
1347 if test $arch = "powerpc"; then
1348     if enabled altivec; then
1349         if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1350             add_cflags "-faltivec"
1351         else
1352             add_cflags "-maltivec -mabi=altivec"
1353         fi
1354     fi
1355 fi
1356
1357 check_header altivec.h
1358
1359 # check if our compiler supports Motorola AltiVec C API
1360 if enabled altivec; then
1361     if enabled altivec_h; then
1362         inc_altivec_h="#include <altivec.h>"
1363     else
1364         inc_altivec_h=
1365     fi
1366     check_cc <<EOF || altivec=no
1367 $inc_altivec_h
1368 int main(void) {
1369     vector signed int v1, v2, v3;
1370     v1 = vec_add(v2,v3);
1371     return 0;
1372 }
1373 EOF
1374 fi
1375
1376 # check armv5te instructions support
1377 if test $armv5te = "default" -a $arch = "armv4l"; then
1378     armv5te=no
1379     check_cc <<EOF && armv5te=yes
1380         int main(void) {
1381         __asm__ __volatile__ ("qadd r0, r0, r0");
1382         }
1383 EOF
1384 fi
1385
1386 if test $armv6 = "default" -a $arch = "armv4l"; then
1387     check_cc <<EOF && armv6=yes || armv6=no
1388 int main(void) {
1389     __asm__ __volatile__ ("sadd16 r0, r0, r0");
1390 }
1391 EOF
1392 fi
1393
1394 # check iwmmxt support
1395 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1396     iwmmxt=no
1397     check_cc <<EOF && iwmmxt=yes
1398         int main(void) {
1399         __asm__ __volatile__ ("wunpckelub wr6, wr4");
1400         }
1401 EOF
1402 fi
1403
1404 # mmi only available on mips
1405 if test $mmi = "default"; then
1406     if test $arch = "mips"; then
1407         mmi="yes"
1408     else
1409         mmi="no"
1410     fi
1411 fi
1412
1413 # check if our compiler supports mmi
1414 enabled mmi && check_cc <<EOF || mmi="no"
1415 int main(void) {
1416     __asm__ ("lq \$2, 0(\$2)");
1417     return 0;
1418 }
1419 EOF
1420
1421 # ---
1422 # big/little-endian test
1423 if disabled cross_compile; then
1424     check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1425 #include <inttypes.h>
1426 int main(int argc, char ** argv){
1427         volatile uint32_t i=0x01234567;
1428         return (*((uint8_t*)(&i))) == 0x67;
1429 }
1430 EOF
1431 else
1432     # programs cannot be launched if cross compiling, so make a static guess
1433     if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1434         bigendian="yes"
1435     fi
1436 fi
1437
1438 # ---
1439 # check availability of some header files
1440
1441 check_header malloc.h
1442 check_func memalign
1443
1444 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1445     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1446 fi
1447
1448 check_header byteswap.h
1449
1450 check_func inet_aton
1451 check_func localtime_r
1452 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1453
1454 # check for some common methods of building with pthread support
1455 # do this before the optional library checks as some of them require pthreads
1456 if enabled pthreads; then
1457     if check_func pthread_create; then
1458         :
1459     elif check_func pthread_create -pthread; then
1460         add_cflags -pthread
1461         add_ldflags -pthread
1462     elif check_func pthread_create -pthreads; then
1463         add_cflags -pthreads
1464         add_ldflags -pthreads
1465     elif ! check_lib pthread.h pthread_create -lpthread; then
1466         die "ERROR: can't find pthreads library"
1467     fi
1468 fi
1469
1470 for thread in pthreads beosthreads os2threads w32threads; do
1471     if enabled $thread; then
1472         if ! disabled thread_type ; then
1473             die "ERROR: Only one thread type must be selected."
1474         else
1475             thread_type="$thread"
1476         fi
1477     fi
1478 done
1479
1480 enabled_any amr_nb amr_nb_fixed amr_wb amr_if2 && enable amr
1481 enabled_all amr_nb amr_nb_fixed &&
1482     die "Only one of amr_nb and amr_nb_fixed may be enabled."
1483
1484 # these are off by default, so fail if requested and not available
1485 enabled liba52     && require liba52 a52dec/a52.h a52_init -la52
1486 enabled libdts     && require libdts dts.h dts_init -ldts -lm
1487 enabled libgsm     && require libgsm gsm.h gsm_create -lgsm
1488 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1489 enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
1490 enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1491 enabled libogg     && require libogg ogg/ogg.h ogg_sync_init -logg
1492 enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
1493 enabled xvid       && require XviD xvid.h xvid_global -lxvidcore
1494 enabled x264       && require x264 x264.h x264_encoder_open -lx264
1495 enabled dc1394     && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1496 enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1497
1498 # Ugh, libfaac uses stdcall calling convention on win32 so we can't use
1499 # the generic test functions
1500 if enabled libfaac; then
1501     save_flags
1502     temp_extralibs -lfaac
1503     check_ld <<EOF && add_extralibs -lfaac || die "ERROR: libfaac not found"
1504 #include <stdint.h>
1505 #include <faac.h>
1506 int main(){
1507     char *id, *cpr;
1508     faacEncGetVersion(&id, &cpr);
1509     return 0;
1510 }
1511 EOF
1512     restore_flags
1513 fi
1514
1515 # Ugh, recent faad2 versions have renamed all functions and #define the
1516 # old names in faad.h.  Generic tests won't work.
1517 if enabled libfaad; then
1518     save_flags
1519     temp_extralibs -lfaad
1520     check_ld <<EOF && add_extralibs -lfaad || die "ERROR: libfaad not found"
1521 #include <faad.h>
1522 int main(){
1523     faacDecOpen();
1524     return 0;
1525 }
1526 EOF
1527     restore_flags
1528 fi
1529
1530 # Ugh, avisynth uses WINAPI calls. Generic tests won't work.
1531 if enabled avisynth; then
1532     save_flags
1533     temp_extralibs -lvfw32
1534     check_ld <<EOF && add_extralibs -lvfw32 || die "ERROR: vfw32 not found"
1535 #include <windows.h>
1536 #include <vfw.h>
1537 int main(){
1538     AVIFileInit();
1539     return 0;
1540 }
1541 EOF
1542     restore_flags
1543 fi
1544
1545
1546 # test for lrintf in math.h
1547 check_exec <<EOF && lrintf=yes || lrintf=no
1548 #define _ISOC9X_SOURCE  1
1549 #include <math.h>
1550 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1551 EOF
1552
1553 _restrict=
1554 for restrict_keyword in restrict __restrict__ __restrict; do
1555     check_cc <<EOF && _restrict=$restrict_keyword && break
1556 void foo(char * $restrict_keyword p);
1557 EOF
1558 done
1559
1560 # dlopen/dlfcn.h probing
1561
1562 check_header dlfcn.h
1563
1564 if check_func dlopen; then
1565     ldl=
1566 elif check_func dlopen -ldl; then
1567     ldl=-ldl
1568 fi
1569
1570 test "$vhook" = "default" && vhook="$dlopen"
1571
1572 enabled_any vhook liba52bin libfaadbin && add_extralibs $ldl
1573
1574 if test "$targetos" = "CYGWIN" && enabled static ; then
1575     vhook="no"
1576     echo
1577     echo "At the moment vhooks don't work on Cygwin static builds."
1578     echo "Patches welcome."
1579     echo
1580 fi
1581
1582 if enabled vhook; then
1583     check_ldflags -rdynamic
1584     check_ldflags -export-dynamic
1585 fi
1586
1587 enabled audio_beos && add_extralibs "-lmedia -lbe"
1588
1589 ##########################################
1590 # imlib check
1591
1592 imlib2=no
1593 if imlib2-config --version >/dev/null 2>&1; then
1594     temp_cflags `imlib2-config --cflags`
1595     temp_extralibs `imlib2-config --libs`
1596     check_lib Imlib2.h imlib_load_font && enable imlib2
1597     restore_flags
1598 fi
1599
1600 ##########################################
1601 # FreeType check
1602
1603 freetype2=no
1604 if freetype-config --version >/dev/null 2>&1; then
1605     temp_cflags `freetype-config --cflags`
1606     temp_extralibs `freetype-config --libs`
1607     check_lib ft2build.h FT_Init_FreeType && enable freetype2
1608     restore_flags
1609 fi
1610
1611 ##########################################
1612 # SDL check
1613
1614 sdl_too_old=no
1615 sdl=no
1616 SDL_CONFIG="${cross_prefix}sdl-config"
1617 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1618     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1619     temp_cflags $sdl_cflags
1620     temp_extralibs `"${SDL_CONFIG}" --libs`
1621     if check_lib SDL.h SDL_Init; then
1622         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1623         if test "$_sdlversion" -lt 121 ; then
1624             sdl_too_old=yes
1625         else
1626             sdl=yes
1627             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1628 #include <SDL.h>
1629 int main(void){
1630     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1631     int w = vi->current_w;
1632     return 0;
1633 }
1634 EOF
1635         fi
1636     fi
1637     restore_flags
1638 fi
1639
1640 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1641
1642 ##########################################
1643 # IPv6 check
1644
1645 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1646 #include <sys/types.h>
1647 #include <sys/socket.h>
1648 #include <netinet/in.h>
1649 #include <netdb.h>
1650 int main( void ) {
1651   struct sockaddr_storage saddr;
1652   struct ipv6_mreq mreq6;
1653   getaddrinfo(0,0,0,0);
1654   getnameinfo(0,0,0,0,0,0,0);
1655   IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1656 }
1657 EOF
1658
1659 enabled video4linux  && check_header linux/videodev.h  || disable video4linux
1660 enabled video4linux2 && check_header linux/videodev2.h || disable video4linux2
1661
1662 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1663 if enabled bktr; then
1664     { check_header dev/bktr/ioctl_meteor.h &&
1665       check_header dev/bktr/ioctl_bt848.h; } ||
1666     { check_header machine/ioctl_meteor.h &&
1667       check_header machine/ioctl_bt848.h; } ||
1668     { check_header dev/video/meteor/ioctl_meteor.h &&
1669       check_header dev/video/bktr/ioctl_bt848.h; } ||
1670     check_header dev/ic/bt8xx.h ||
1671     disable bktr
1672 fi
1673
1674 enabled audio_oss &&
1675     check_header sys/soundcard.h ||
1676     check_header soundcard.h ||
1677     disable audio_oss
1678
1679 # Deal with the x11 frame grabber
1680 enabled x11grab                         &&
1681 enabled gpl                             &&
1682 enabled x11_grab_device_demuxer         &&
1683 check_header X11/Xlib.h                 &&
1684 check_header X11/extensions/XShm.h      &&
1685 check_func XOpenDisplay -lX11           &&
1686 check_func XShmCreateImage -lX11 -lXext &&
1687 add_extralibs -lX11 -lXext              ||
1688 disable x11_grab_device_demuxer
1689
1690 enabled debug && add_cflags -g
1691
1692 # add some useful compiler flags if supported
1693 check_cflags -Wdeclaration-after-statement
1694 check_cflags -Wall
1695 check_cflags -Wno-switch
1696 check_cflags -Wdisabled-optimization
1697 check_cflags -Wpointer-arith
1698 check_cflags -Wredundant-decls
1699 check_cflags -Wno-pointer-sign
1700 enabled extra_warnings && check_cflags -Winline
1701
1702 # add some linker flags
1703 check_ldflags $LDLATEFLAGS
1704
1705 # not all compilers support -Os
1706 test "$optimize" = "small" && check_cflags -Os
1707
1708 if enabled optimize; then
1709     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1710         add_cflags  "-O5"
1711         add_ldflags "-O5"
1712     else
1713         add_cflags "-O3"
1714     fi
1715 fi
1716
1717 # PIC flags for shared library objects where they are needed
1718 if enabled shared; then
1719     # LIBOBJFLAGS may have already been set in the OS configuration
1720     if test -z "$LIBOBJFLAGS" ; then
1721         case "$arch" in
1722             x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1723         esac
1724     fi
1725 fi
1726
1727 if enabled gprof; then
1728     add_cflags  "-p"
1729     add_ldflags "-p"
1730 fi
1731
1732 VHOOKCFLAGS="-fPIC $CFLAGS"
1733 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1734
1735 # find if .align arg is power-of-two or not
1736 if test $asmalign_pot = "unknown"; then
1737     asmalign_pot="no"
1738     echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1739 fi
1740
1741 enabled_any $ENCODER_LIST && enable encoders
1742 enabled_any $DECODER_LIST && enable decoders
1743 enabled_any $MUXER_LIST   && enable muxers
1744 enabled_any $DEMUXER_LIST && enable demuxers
1745
1746 enabled_any pthreads beosthreads os2threads w32threads && enable threads
1747
1748 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1749     $DEMUXER_LIST $MUXER_LIST
1750
1751 enabled libogg    && append pkg_requires "ogg >= 1.1"
1752 enabled libtheora && append pkg_requires "theora"
1753 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1754 enabled dc1394    && append pkg_requires "libraw1394"
1755
1756 echo "install prefix            $PREFIX"
1757 echo "source path               $source_path"
1758 echo "C compiler                $cc"
1759 echo "make                      $make"
1760 echo ".align is power-of-two    $asmalign_pot"
1761 echo "ARCH                      $arch ($cpu)"
1762 if test "$BUILDSUF" != ""; then
1763     echo "build suffix              $BUILDSUF"
1764 fi
1765 echo "big-endian                $bigendian"
1766 if test $arch = "x86_32" -o $arch = "x86_64"; then
1767     echo "MMX enabled               $mmx"
1768     echo "CMOV enabled              $cmov"
1769     echo "CMOV is fast              $fast_cmov"
1770 fi
1771 if test $arch = "armv4l"; then
1772     echo "ARMv5TE enabled           $armv5te"
1773     echo "ARMv6 enabled             $armv6"
1774     echo "IWMMXT enabled            $iwmmxt"
1775 fi
1776 if test $arch = "mips"; then
1777     echo "MMI enabled               $mmi"
1778 fi
1779 if test $arch = "powerpc"; then
1780     echo "AltiVec enabled           $altivec"
1781     echo "dcbzl available           $dcbzl"
1782 fi
1783 echo "gprof enabled             $gprof"
1784 echo "debug symbols             $debug"
1785 echo "strip symbols             $dostrip"
1786 echo "optimize                  $optimize"
1787 echo "static                    $static"
1788 echo "shared                    $shared"
1789 echo "postprocessing support    $pp"
1790 echo "software scaler enabled   $swscaler"
1791 echo "video hooking             $vhook"
1792 if enabled vhook; then
1793     echo "Imlib2 support            $imlib2"
1794     echo "FreeType support          $freetype2"
1795 fi
1796 echo "network support           $network"
1797 if enabled network; then
1798     echo "IPv6 support              $ipv6"
1799 fi
1800 echo "threading support         $thread_type"
1801 echo "SDL support               $sdl"
1802 if enabled sdl_too_old; then
1803     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1804 fi
1805 echo "Sun medialib support      $mlib"
1806 echo "AVISynth enabled          $avisynth"
1807 echo "liba52 support            $liba52"
1808 echo "liba52 dlopened           $liba52bin"
1809 echo "libdts support            $libdts"
1810 echo "libfaac enabled           $libfaac"
1811 echo "libfaad enabled           $libfaad"
1812 echo "faadbin enabled           $libfaadbin"
1813 echo "libgsm enabled            $libgsm"
1814 echo "libmp3lame enabled        $libmp3lame"
1815 echo "libnut enabled            $libnut"
1816 echo "libogg enabled            $libogg"
1817 echo "libtheora enabled         $libtheora"
1818 echo "libvorbis enabled         $libvorbis"
1819 echo "x264 enabled              $x264"
1820 echo "XviD enabled              $xvid"
1821 echo "zlib enabled              $zlib"
1822 echo "AMR-NB float support      $amr_nb"
1823 echo "AMR-NB fixed support      $amr_nb_fixed"
1824 echo "AMR-WB float support      $amr_wb"
1825 echo "AMR-WB IF2 support        $amr_if2"
1826 if disabled gpl; then
1827     echo "License: LGPL"
1828 else
1829     echo "License: GPL"
1830 fi
1831
1832 echo "Creating config.mak and config.h..."
1833
1834 echo "# Automatically generated by configure - do not modify!" > config.mak
1835 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1836 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1837
1838 echo "PREFIX=$PREFIX" >> config.mak
1839 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1840 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1841 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1842 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1843 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1844 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1845 echo "MAKE=$make" >> config.mak
1846 echo "CC=$cc" >> config.mak
1847 echo "AR=$ar" >> config.mak
1848 echo "RANLIB=$ranlib" >> config.mak
1849 if enabled dostrip; then
1850     echo "STRIP=$strip" >> config.mak
1851 else
1852     echo "STRIP=echo ignoring strip" >> config.mak
1853 fi
1854
1855 echo "OPTFLAGS=$CFLAGS" >> config.mak
1856 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1857 echo "LDFLAGS=$LDFLAGS" >> config.mak
1858 echo "LDCONFIG=$LDCONFIG" >> config.mak
1859 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1860 echo "SHFLAGS=$SHFLAGS" >> config.mak
1861 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1862 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1863 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1864 echo "BUILD_STATIC=$static" >> config.mak
1865 echo "BUILDSUF=$BUILDSUF" >> config.mak
1866 echo "LIBPREF=$LIBPREF" >> config.mak
1867 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1868 if enabled static; then
1869   echo "LIB=$LIB" >> config.mak
1870 else # Some Make complain if this variable does not exist.
1871   echo "LIB=" >> config.mak
1872 fi
1873 echo "SLIBPREF=$SLIBPREF" >> config.mak
1874 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1875 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1876 echo "TARGET_OS=$targetos" >> config.mak
1877
1878 ucarch=`toupper $arch`
1879 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1880 echo "#define ARCH_${ucarch} 1" >> $TMPH
1881
1882 # special cases
1883 case "$arch" in
1884     x86_32|x86_64)
1885         echo "TARGET_ARCH_X86=yes" >> config.mak
1886         echo "#define ARCH_X86 1" >> $TMPH
1887         ;;
1888     powerpc)
1889         if test "$POWERPCMODE" = "64bits"; then
1890             echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1891         fi
1892         ;;
1893     sparc64)
1894         echo "TARGET_ARCH_SPARC=yes" >> config.mak
1895         echo "#define ARCH_SPARC 1" >> $TMPH
1896         ;;
1897 esac
1898
1899 if enabled bigendian; then
1900   echo "WORDS_BIGENDIAN=yes" >> config.mak
1901   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1902 fi
1903 if enabled mmx; then
1904   echo "#define __CPU__ 586" >> $TMPH
1905 fi
1906
1907 if enabled sdl; then
1908   echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1909   echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1910 fi
1911 if enabled texi2html; then
1912   echo "BUILD_DOC=yes" >> config.mak
1913 fi
1914
1915 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1916 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1917 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1918 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1919 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1920
1921
1922
1923 if enabled shared; then
1924   echo "BUILD_SHARED=yes" >> config.mak
1925   echo "PIC=-fPIC -DPIC" >> config.mak
1926   echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1927   echo "SPPVERSION=$pp_version" >> config.mak
1928   echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1929   echo "LAVCVERSION=$lavc_version" >> config.mak
1930   echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1931   echo "LAVFVERSION=$lavf_version" >> config.mak
1932   echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1933   echo "LAVUVERSION=$lavu_version" >> config.mak
1934   echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1935   echo "SWSVERSION=$sws_version" >> config.mak
1936   echo "SLIBNAME=${SLIBNAME}" >> config.mak
1937   echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1938   echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1939   echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1940   echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1941 fi
1942 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1943 echo "EXTRALIBS=$extralibs" >> config.mak
1944
1945 print_config HAVE_   $TMPH config.mak $HAVE_LIST
1946 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1947 print_config TARGET_ $TMPH config.mak $TARGET_LIST
1948
1949 if test "$targetos" = "Darwin"; then
1950   echo "#define CONFIG_DARWIN 1"  >> $TMPH
1951 fi
1952
1953 echo "#define restrict $_restrict" >> $TMPH
1954
1955 if test "$optimize" = "small"; then
1956   echo "#define always_inline"  >> $TMPH
1957   echo "#define CONFIG_SMALL 1" >> $TMPH
1958 fi
1959
1960 echo "SRC_PATH=\"$source_path\"" >> config.mak
1961 echo "SRC_PATH_BARE=$source_path" >> config.mak
1962 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1963
1964 if enabled amr_if2; then
1965   echo "AMR_CFLAGS=-DIF2=1" >> config.mak
1966 fi
1967
1968 # Apparently it's not possible to portably echo a backslash.
1969 if enabled asmalign_pot; then
1970   printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
1971 else
1972   printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1973 fi
1974
1975
1976 for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
1977     ucname="`toupper $codec`"
1978     config_name="CONFIG_$ucname"
1979     enabled_name="ENABLE_$ucname"
1980     if enabled $codec; then
1981         echo "#define $config_name 1" >> $TMPH
1982         echo "#define $enabled_name 1" >> $TMPH
1983         echo "$config_name=yes" >> config.mak
1984     else
1985         echo "#define $enabled_name 0" >> $TMPH
1986     fi
1987 done
1988
1989 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1990 if ! cmp -s $TMPH config.h; then
1991         mv -f $TMPH config.h
1992 else
1993         echo "config.h is unchanged"
1994 fi
1995
1996 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
1997
1998 # build tree in object directory if source path is different from current one
1999 if enabled source_path_used; then
2000     DIRS="\
2001          doc \
2002          libavformat \
2003          libavcodec \
2004          libavcodec/alpha \
2005          libavcodec/armv4l \
2006          libavcodec/bfin \
2007          libavcodec/i386 \
2008          libavcodec/sparc \
2009          libavcodec/mlib \
2010          libavcodec/ppc \
2011          libavcodec/amr \
2012          libavcodec/amr_float \
2013          libavcodec/amrwb_float \
2014          libpostproc \
2015          libavutil \
2016          libswscale \
2017          tests \
2018          vhook \
2019          "
2020     FILES="\
2021           Makefile \
2022           common.mak \
2023           libavformat/Makefile \
2024           libavcodec/Makefile \
2025           libpostproc/Makefile \
2026           libavutil/Makefile \
2027           libswscale/Makefile \
2028           tests/Makefile \
2029           vhook/Makefile \
2030           doc/Makefile \
2031           doc/texi2pod.pl \
2032           "
2033     for dir in $DIRS ; do
2034             mkdir -p $dir
2035     done
2036     for f in $FILES ; do
2037         ln -sf "$source_path/$f" $f
2038     done
2039 fi
2040
2041
2042 # build pkg-config files
2043 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2044
2045 pkgconfig_generate(){
2046 name=$1
2047 comment=$2
2048 version=$3
2049 libs=$4
2050 requires=$5
2051 include=$6
2052 cat <<EOF >$name.pc
2053 prefix=$PREFIX
2054 exec_prefix=\${prefix}
2055 libdir=\${exec_prefix}/lib
2056 includedir=\${prefix}/include
2057
2058 Name: $name
2059 Description: $comment
2060 Version: $version
2061 Requires: $requires
2062 Conflicts:
2063 Libs: -L\${libdir} $libs
2064 Cflags: -I\${includedir} -I\${includedir}/$include
2065 EOF
2066 }
2067
2068 pkgconfig_generate_uninstalled(){
2069 name=$1
2070 shortname=${name#lib}
2071 comment=$2
2072 version=$3
2073 libs=$4
2074 requires=$5
2075 cat <<EOF >$name-uninstalled.pc
2076 prefix=
2077 exec_prefix=
2078 libdir=\${pcfiledir}/$name
2079 includedir=\${pcfiledir}/$name
2080
2081 Name: $name
2082 Description: $comment
2083 Version: $version
2084 Requires: $requires
2085 Conflicts:
2086 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2087 Cflags: -I\${includedir}
2088 EOF
2089 }
2090
2091 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2092 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2093
2094 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2095 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2096
2097 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2098 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2099
2100 if enabled pp; then
2101   pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2102   pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2103 fi
2104
2105 if enabled swscaler; then
2106   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "libavutil = $lavu_version" swscale
2107   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2108 else
2109   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale
2110   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2111   apply libswscale.pc sed s/^Libs:.*$/Libs:/
2112   apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2113 fi