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-gpl             allow use of GPL code, the resulting libav*"
  72   echo "                           and ffmpeg will be under GPL [default=no]"
  73   echo "  --enable-pp              enable GPLed postprocessing support [default=no]"
  74   echo "  --enable-swscaler        software scaler support [default=no]"
  75   echo "  --enable-beosthreads     use BeOS threads [default=no]"
  76   echo "  --enable-os2threads      use OS/2 threads [default=no]"
  77   echo "  --enable-pthreads        use pthreads [default=no]"
  78   echo "  --enable-w32threads      use Win32 threads [default=no]"
  79   echo "  --enable-x11grab         enable X11 grabbing [default=no]"
  80   echo
  81   echo "External library support:"
  82   echo "  --enable-sunmlib         use Sun medialib [default=no]"
  83   echo "  --enable-dc1394          enable IIDC-1394 grabbing using libdc1394"
  84   echo "                           and libraw1394 [default=no]"
  85   echo "  --enable-liba52          enable GPLed liba52 support [default=no]"
  86   echo "  --enable-liba52bin       open liba52.so.0 at runtime [default=no]"
  87   echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"
  88   echo "  --enable-libdts          enable GPLed libdts support [default=no]"
  89   echo "  --enable-libfaac         enable FAAC support via libfaac [default=no]"
  90   echo "  --enable-libfaad         enable FAAD support via libfaad [default=no]"
  91   echo "  --enable-libfaadbin      build FAAD support with runtime linking [default=no]"
  92   echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
  93   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no]"
  94   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
  95   echo "                           native demuxer exists [default=no]"
  96   echo "  --enable-libogg          enable Ogg muxing via libogg [default=no]"
  97   echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
  98   echo "  --enable-libvorbis       enable Vorbis en/decoding via libvorbis,"
  99   echo "                           native implementations exist [default=no]"
 100   echo "  --enable-x264            enable H.264 encoding via x264 [default=no]"
 101   echo "  --enable-xvid            enable Xvid encoding via xvidcore,"
 102   echo "                           native MPEG-4/Xvid encoder exists [default=no]"
 103   echo "  --enable-amr_nb          enable amr_nb float audio codec"
 104   echo "  --enable-amr_nb-fixed    use fixed point for amr-nb codec"
 105   echo "  --enable-amr_wb          enable amr_wb float audio codec"
 106   echo "  --enable-amr_if2         enable amr_wb IF2 audio codec"
 107   echo ""
 108   echo "Advanced options (experts only):"
 109   echo "  --source-path=PATH       path to source code [$source_path]"
 110   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 111   echo "  --cross-compile          assume a cross-compiler is used"
 112   echo "  --target-os=OS           compiler targets OS [$targetos]"
 113   echo "  --cc=CC                  use C compiler CC [$cc]"
 114   echo "  --make=MAKE              use specified make [$make]"
 115   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 116   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 117   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 118   echo "  --build-suffix=SUFFIX    suffix for application specific build []"
 119   echo "  --arch=ARCH              select architecture  [$arch]"
 120   echo "  --cpu=CPU                selects the minimum cpu required (affects"
 121   echo "                           instruction selection, may crash on older CPUs)"
 122   echo "  --enable-powerpc-perf    enable performance report on PPC"
 123   echo "                           (requires enabling PMC)"
 124   echo "  --disable-mmx            disable MMX usage"
 125   echo "  --disable-armv5te        disable armv5te usage"
 126   echo "  --disable-armv6          disable armv6 usage"
 127   echo "  --disable-iwmmxt         disable iwmmxt usage"
 128   echo "  --disable-altivec        disable AltiVec usage"
 129   echo "  --disable-audio-oss      disable OSS audio support [default=no]"
 130   echo "  --disable-audio-beos     disable BeOS audio support [default=no]"
 131   echo "  --disable-v4l            disable video4linux grabbing [default=no]"
 132   echo "  --disable-v4l2           disable video4linux2 grabbing [default=no]"
 133   echo "  --disable-bktr           disable bktr video grabbing [default=no]"
 134   echo "  --disable-dv1394         disable DV1394 grabbing [default=no]"
 135   echo "  --disable-network        disable network support [default=no]"
 136   echo "  --disable-ipv6           disable ipv6 support [default=no]"
 137   echo "  --disable-zlib           disable zlib [default=no]"
 138   echo "  --disable-vhook          disable video hooking support"
 139   echo "  --disable-debug          disable debugging symbols"
 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-encoder=NAME   disables encoder NAME"
 149   echo "  --enable-encoder=NAME    enables encoder NAME"
 150   echo "  --disable-decoder=NAME   disables decoder NAME"
 151   echo "  --enable-decoder=NAME    enables decoder NAME"
 152   echo "  --disable-encoders       disables all encoders"
 153   echo "  --disable-decoders       disables all decoders"
 154   echo "  --disable-muxer=NAME     disables muxer NAME"
 155   echo "  --enable-muxer=NAME      enables muxer NAME"
 156   echo "  --disable-muxers         disables all muxers"
 157   echo "  --disable-demuxer=NAME   disables demuxer NAME"
 158   echo "  --enable-demuxer=NAME    enables demuxer NAME"
 159   echo "  --disable-demuxers       disables all demuxers"
 160   echo "  --enable-parser=NAME     enables parser NAME"
 161   echo "  --disable-parser=NAME    disables parser NAME"
 162   echo "  --disable-parsers        disables all parsers"
 163   echo
 164   echo "Developer options (useful when working on FFmpeg itself):"
 165   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 166   echo "  --disable-opts           disable compiler optimizations"
 167   echo "  --enable-extra-warnings  enable more compiler warnings"
 168   echo "  --disable-strip          disable stripping of executables and shared libraries"
 169   echo ""
 170   echo "NOTE: Object files are built at the place where configure is launched."
 171   exit 1
 172 }
 173
 174 log(){
 175     echo "$@" >>$logfile
 176 }
 177
 178 log_file(){
 179     log BEGIN $1
 180     cat -n $1 >>$logfile
 181     log END $1
 182 }
 183
 184 echolog(){
 185     log "$@"
 186     echo "$@"
 187 }
 188
 189 die(){
 190     echolog "$@"
 191     cat <<EOF
 192 If you think configure made a mistake, make sure you are using the latest
 193 version from SVN.  If the latest version fails, report the problem to the
 194 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 195 EOF
 196     if enabled logging; then
 197         cat <<EOF
 198 Include the log file "$logfile" produced by configure as this will help
 199 solving the problem.
 200 EOF
 201     else
 202 cat <<EOF
 203 Rerun configure with logging enabled (do not use --log=no), and include the
 204 log this produces with your report.
 205 EOF
 206     fi
 207     rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
 208     exit 1
 209 }
 210
 211 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
 212 toupper(){
 213     echo "$@" | tr '[a-z]' '[A-Z]'
 214 }
 215
 216 tolower(){
 217     echo "$@" | tr '[A-Z]' '[a-z]'
 218 }
 219
 220 set_all(){
 221     value=$1
 222     shift
 223     for var in $*; do
 224         eval $var=$value
 225     done
 226 }
 227
 228 pushvar(){
 229     for var in $*; do
 230         eval level=\${${var}_level:=0}
 231         eval ${var}_${level}="\$$var"
 232         eval ${var}_level=$(($level+1))
 233     done
 234 }
 235
 236 popvar(){
 237     for var in $*; do
 238         eval level=\${${var}_level:-0}
 239         test $level = 0 && continue
 240         eval level=$(($level-1))
 241         eval $var="\${${var}_${level}}"
 242         eval ${var}_level=$level
 243         eval unset ${var}_${level}
 244     done
 245 }
 246
 247 enable(){
 248     set_all yes $*
 249 }
 250
 251 disable(){
 252     set_all no $*
 253 }
 254
 255 enabled(){
 256     eval test "x\$$1" = "xyes"
 257 }
 258
 259 disabled(){
 260     eval test "x\$$1" = "xno"
 261 }
 262
 263 enabled_all(){
 264     for opt; do
 265         enabled $opt || return 1
 266     done
 267 }
 268
 269 disabled_all(){
 270     for opt; do
 271         disabled $opt || return 1
 272     done
 273 }
 274
 275 enabled_any(){
 276     for opt; do
 277         enabled $opt && return 0
 278     done
 279 }
 280
 281 disabled_any(){
 282     for opt; do
 283         disabled $opt && return 0
 284     done
 285 }
 286
 287 check_deps(){
 288     for cfg; do
 289         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 290         disabled ${cfg}_checking && continue
 291         enable ${cfg}_checking
 292
 293         eval dep_all="\$${cfg}_deps"
 294         eval dep_any="\$${cfg}_deps_any"
 295
 296         pushvar cfg dep_all dep_any
 297         check_deps $dep_all $dep_any
 298         popvar cfg dep_all dep_any
 299
 300         enabled_all $dep_all || disable $cfg
 301         enabled_any $dep_any || disable $cfg
 302
 303         disable ${cfg}_checking
 304     done
 305 }
 306
 307 print_config(){
 308     pfx=$1
 309     header=$2
 310     makefile=$3
 311     shift 3
 312     for cfg; do
 313         if enabled $cfg; then
 314             ucname="${pfx}`toupper $cfg`"
 315             echo "#define ${ucname} 1" >> $header
 316             echo "${ucname}=yes" >> $makefile
 317         fi
 318     done
 319 }
 320
 321 flags_saved(){
 322     (: ${SAVE_CFLAGS?}) 2>/dev/null
 323 }
 324
 325 save_flags(){
 326     flags_saved && return
 327     SAVE_CFLAGS="$CFLAGS"
 328     SAVE_LDFLAGS="$LDFLAGS"
 329     SAVE_extralibs="$extralibs"
 330 }
 331
 332 restore_flags(){
 333     flags_saved || return
 334     CFLAGS="$SAVE_CFLAGS"
 335     LDFLAGS="$SAVE_LDFLAGS"
 336     extralibs="$SAVE_extralibs"
 337     unset SAVE_CFLAGS
 338     unset SAVE_LDFLAGS
 339     unset SAVE_extralibs
 340 }
 341
 342 temp_cflags(){
 343     save_flags
 344     CFLAGS="$CFLAGS $*"
 345 }
 346
 347 temp_ldflags(){
 348     save_flags
 349     LDFLAGS="$LDFLAGS $*"
 350 }
 351
 352 temp_extralibs(){
 353     save_flags
 354     extralibs="$extralibs $*"
 355 }
 356
 357 append(){
 358     var=$1
 359     shift
 360     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 361     eval "$var=\"\$$var $*\""
 362 }
 363
 364 add_cflags(){
 365     append CFLAGS "$@"
 366 }
 367
 368 add_ldflags(){
 369     append LDFLAGS "$@"
 370 }
 371
 372 add_extralibs(){
 373     append extralibs "$@"
 374 }
 375
 376 check_cmd(){
 377     log "$@"
 378     "$@" >>$logfile 2>&1
 379 }
 380
 381 check_cc(){
 382     log check_cc "$@"
 383     cat >$TMPC
 384     log_file $TMPC
 385     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 386 }
 387
 388 check_cpp(){
 389     log check_cpp "$@"
 390     cat >$TMPC
 391     log_file $TMPC
 392     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 393 }
 394
 395 check_ld(){
 396     log check_ld "$@"
 397     check_cc || return
 398     check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
 399 }
 400
 401 check_cflags(){
 402     log check_cflags "$@"
 403     check_cc "$@" <<EOF && add_cflags "$@"
 404 int x;
 405 EOF
 406 }
 407
 408 check_ldflags(){
 409     log check_ldflags "$@"
 410     check_ld "$@" <<EOF && add_ldflags "$@"
 411 int main(){
 412     return 0;
 413 }
 414 EOF
 415 }
 416
 417 check_header(){
 418     log check_header "$@"
 419     header=$1
 420     shift
 421     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 422     disable $var
 423     check_cpp "$@" <<EOF && enable $var
 424 #include <$header>
 425 int x;
 426 EOF
 427 }
 428
 429 check_func(){
 430     log check_func "$@"
 431     func=$1
 432     shift
 433     disable $func
 434     check_ld "$@" <<EOF && enable $func
 435 extern int $func();
 436 int main(){
 437     $func();
 438 }
 439 EOF
 440 }
 441
 442 check_lib(){
 443     log check_lib "$@"
 444     header="$1"
 445     func="$2"
 446     shift 2
 447     temp_extralibs "$@"
 448     check_header $header && check_func $func && add_extralibs "$@"
 449     err=$?
 450     restore_flags
 451     return $err
 452 }
 453
 454 check_exec(){
 455     check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
 456 }
 457
 458 require(){
 459     name="$1"
 460     header="$2"
 461     func="$3"
 462     shift 3
 463     check_lib $header $func "$@" || die "ERROR: $name not found"
 464 }
 465
 466 apply(){
 467     file=$1
 468     shift
 469     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 470 }
 471
 472 CONFIG_LIST='
 473     encoders
 474     decoders
 475     parsers
 476     muxers
 477     demuxers
 478     amr
 479     amr_nb
 480     amr_nb_fixed
 481     amr_wb
 482     audio_beos
 483     audio_oss
 484     avisynth
 485     beos_netserver
 486     bktr
 487     dc1394
 488     dv1394
 489     ffmpeg
 490     ffplay
 491     ffserver
 492     gpl
 493     gprof
 494     ipv6
 495     liba52
 496     liba52bin
 497     libdts
 498     libfaac
 499     libfaad
 500     libfaadbin
 501     libgsm
 502     libmp3lame
 503     libnut
 504     libogg
 505     libtheora
 506     libvorbis
 507     memalign_hack
 508     mpegaudio_hp
 509     network
 510     powerpc_perf
 511     pp
 512     protocols
 513     swscaler
 514     vhook
 515     v4l
 516     v4l2
 517     wince
 518     x11grab
 519     x264
 520     xvid
 521     zlib
 522 '
 523
 524 HAVE_LIST='
 525     altivec
 526     altivec_h
 527     armv5te
 528     armv6
 529     beosthreads
 530     byteswap_h
 531     cmov
 532     dcbzl
 533     dev_bktr_ioctl_bt848_h
 534     dev_bktr_ioctl_meteor_h
 535     dev_ic_bt8xx_h
 536     dev_video_meteor_ioctl_meteor_h
 537     dev_video_bktr_ioctl_bt848_h
 538     dlfcn_h
 539     dlopen
 540     fast_cmov
 541     freetype2
 542     imlib2
 543     inet_aton
 544     iwmmxt
 545     localtime_r
 546     lrintf
 547     machine_ioctl_bt848_h
 548     machine_ioctl_meteor_h
 549     malloc_h
 550     memalign
 551     mlib
 552     mmi
 553     mmx
 554     os2
 555     os2threads
 556     pthreads
 557     sdl
 558     sdl_video_size
 559     soundcard_h
 560     sys_poll_h
 561     sys_soundcard_h
 562     threads
 563     w32threads
 564 '
 565
 566 TARGET_LIST='
 567     altivec
 568     armv5te
 569     armv6
 570     iwmmxt
 571     mmi
 572     mmx
 573 '
 574
 575 CMDLINE_SELECT="
 576     $CONFIG_LIST
 577     $TARGET_LIST
 578     amr_if2
 579     debug
 580     extra_warnings
 581     mingw32
 582     shared
 583     static
 584     beosthreads
 585     os2threads
 586     pthreads
 587     w32threads
 588 "
 589
 590 flashsv_decoder_deps="zlib"
 591 flashsv_encoder_deps="zlib"
 592 mpeg_xvmc_decoder_deps="xvmc"
 593 png_decoder_deps="zlib"
 594 png_encoder_deps="zlib"
 595 x264_encoder_deps="x264"
 596 xvid_encoder_deps="xvid"
 597 zmbv_decoder_deps="zlib"
 598 zmbv_encoder_deps="zlib"
 599
 600 aac_decoder_deps="libfaad"
 601 mpeg4aac_decoder_deps="libfaad"
 602 amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
 603 amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
 604 amr_wb_decoder_deps="amr_wb"
 605 amr_wb_encoder_deps="amr_wb"
 606 dts_decoder_deps="libdts"
 607 faac_encoder_deps="libfaac"
 608 liba52_decoder_deps="liba52"
 609 libgsm_decoder_deps="libgsm"
 610 libgsm_encoder_deps="libgsm"
 611 libtheora_encoder_deps="libtheora"
 612 mp3lame_encoder_deps="libmp3lame"
 613 oggvorbis_decoder_deps="libvorbis"
 614 oggvorbis_encoder_deps="libvorbis"
 615
 616 audio_demuxer_deps_any="audio_oss audio_beos"
 617 audio_muxer_deps_any="audio_oss audio_beos"
 618 dc1394_demuxer_deps="dc1394"
 619 dv1394_demuxer_deps="dv1394"
 620 gxf_muxer_deps="gpl"
 621 libnut_demuxer_deps="libnut"
 622 libnut_muxer_deps="libnut"
 623 ogg_muxer_deps="libogg"
 624 redir_demuxer_deps="network"
 625 rtp_muxer_deps="network"
 626 rtsp_demuxer_deps="network"
 627 sdp_demuxer_deps="network"
 628 v4l2_demuxer_deps="v4l2"
 629 video_grab_device_demuxer_deps_any="v4l bktr"
 630 x11_grab_device_demuxer_deps="x11grab"
 631
 632 ffplay_deps="sdl"
 633 ffserver_deps="network protocols muxers"
 634 network_deps="protocols"
 635
 636 # set temporary file name
 637 if test ! -z "$TMPDIR" ; then
 638     TMPDIR1="${TMPDIR}"
 639 elif test ! -z "$TEMPDIR" ; then
 640     TMPDIR1="${TEMPDIR}"
 641 else
 642     TMPDIR1="/tmp"
 643 fi
 644
 645 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
 646 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
 647 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
 648 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
 649 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
 650
 651 # default parameters
 652
 653 logging="yes"
 654 logfile="config.err"
 655
 656 # installation paths
 657 PREFIX="/usr/local"
 658 libdir='${PREFIX}/lib'
 659 shlibdir="$libdir"
 660 incdir='${PREFIX}/include/ffmpeg'
 661 mandir='${PREFIX}/man'
 662 bindir='${PREFIX}/bin'
 663
 664 # toolchain
 665 cross_prefix=""
 666 cross_compile="no"
 667 cc="gcc"
 668 ar="ar"
 669 ranlib="ranlib"
 670 make="make"
 671 strip="strip"
 672 asmalign_pot="unknown"
 673
 674 # machine
 675 arch=`uname -m`
 676 cpu="generic"
 677 powerpc_perf="no"
 678 mmx="default"
 679 cmov="no"
 680 fast_cmov="no"
 681 armv5te="default"
 682 armv6="default"
 683 iwmmxt="default"
 684 altivec="default"
 685 dcbzl="no"
 686 mmi="default"
 687 bigendian="no"
 688
 689 # OS
 690 targetos=`uname -s`
 691 beos_netserver="no"
 692 mingw32="no"
 693 os2="no"
 694 wince="no"
 695
 696 # non-library system interfaces
 697 audio_beos="default"
 698 audio_oss="yes"
 699 bktr="yes"
 700 dv1394="yes"
 701 v4l2="yes"
 702 v4l="yes"
 703
 704 # libraries
 705 amr_if2="no"
 706 amr_nb="no"
 707 amr_nb_fixed="no"
 708 amr_wb="no"
 709 avisynth="no"
 710 dc1394="no"
 711 dlfcn_h="no"
 712 dlopen="no"
 713 liba52="no"
 714 liba52bin="no"
 715 libdts="no"
 716 libfaac="no"
 717 libfaad2="no"
 718 libfaad="no"
 719 libfaadbin="no"
 720 libgsm="no"
 721 libmp3lame="no"
 722 libnut="no"
 723 libogg="no"
 724 libtheora="no"
 725 libvorbis="no"
 726 mlib="no"
 727 x11grab="no"
 728 x264="no"
 729 xvid="no"
 730 zlib="yes"
 731
 732 # configurable options
 733 debug="yes"
 734 dostrip="yes"
 735 extra_warnings="no"
 736 ffmpeg="yes"
 737 ffplay="yes"
 738 ffserver="yes"
 739 gpl="no"
 740 gprof="no"
 741 ipv6="yes"
 742 shared="no"
 743 static="yes"
 744 memalign_hack="no"
 745 mpegaudio_hp="yes"
 746 network="yes"
 747 optimize="yes"
 748 pp="no"
 749 protocols="yes"
 750 swscaler="no"
 751 vhook="default"
 752
 753 # threading
 754 beosthreads="no"
 755 os2threads="no"
 756 pthreads="no"
 757 w32threads="no"
 758 thread_type="no"
 759
 760 # build settings
 761 SHFLAGS='-shared -Wl,-soname,$@'
 762 VHOOKSHFLAGS='$(SHFLAGS)'
 763 LIBOBJFLAGS=""
 764 FFLDFLAGS=-Wl,--warn-common
 765 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
 766 FFSERVERLDFLAGS=-Wl,-E
 767 LDCONFIG="ldconfig"
 768 LIBPREF="lib"
 769 LIBSUF=".a"
 770 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
 771 SLIBPREF="lib"
 772 SLIBSUF=".so"
 773 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
 774 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
 775 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
 776 EXESUF=""
 777 BUILDSUF=""
 778 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
 779
 780 # find source path
 781 source_path="`dirname \"$0\"`"
 782 source_path_used="yes"
 783 if test -z "$source_path" -o "$source_path" = "." ; then
 784     source_path="`pwd`"
 785     source_path_used="no"
 786 else
 787     source_path="`cd \"$source_path\"; pwd`"
 788     echo "$source_path" | grep -q '[[:blank:]]' &&
 789       die "Out of tree builds are impossible with whitespace in source path."
 790 fi
 791
 792 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
 793     show_help
 794 fi
 795
 796 FFMPEG_CONFIGURATION="$@"
 797
 798 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
 799 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
 800 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
 801 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
 802 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
 803
 804 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
 805
 806 die_unknown(){
 807     echo "Unknown option \"$1\"."
 808     echo "See $0 --help for available options."
 809     exit 1
 810 }
 811
 812 for opt do
 813   optval="${opt#*=}"
 814   case "$opt" in
 815   --log)
 816   ;;
 817   --log=*) logging="$optval"
 818   ;;
 819   --prefix=*) PREFIX="$optval"
 820   ;;
 821   --libdir=*) libdir="$optval"
 822   ;;
 823   --shlibdir=*) shlibdir="$optval"
 824   ;;
 825   --incdir=*) incdir="$optval"
 826   ;;
 827   --mandir=*) mandir="$optval"
 828   ;;
 829   --source-path=*) source_path="$optval"
 830   ;;
 831   --cross-prefix=*) cross_prefix="$optval"
 832   ;;
 833   --cross-compile) cross_compile="yes"
 834   ;;
 835   --target-os=*) targetos="$optval"
 836   ;;
 837   --cc=*) cc="$optval"
 838   ;;
 839   --make=*) make="$optval"
 840   ;;
 841   --extra-cflags=*) add_cflags "$optval"
 842   ;;
 843   --extra-ldflags=*) add_ldflags "$optval"
 844   ;;
 845   --extra-libs=*) add_extralibs "$optval"
 846   ;;
 847   --build-suffix=*) BUILDSUF="$optval"
 848   ;;
 849   --arch=*) arch="$optval"
 850   ;;
 851   --cpu=*) cpu="$optval"
 852   ;;
 853   --enable-mingwce) wince="yes"
 854   ;;
 855   --disable-opts) optimize="no"
 856   ;;
 857   --enable-small) optimize="small"
 858   ;;
 859   --enable-sunmlib) mlib="yes"
 860   ;;
 861   --disable-strip) dostrip="no"
 862   ;;
 863   --disable-encoders) disable $ENCODER_LIST
 864   ;;
 865   --disable-decoders) disable $DECODER_LIST
 866   ;;
 867   --disable-muxers) disable $MUXER_LIST
 868   ;;
 869   --disable-demuxers) disable $DEMUXER_LIST
 870   ;;
 871   --disable-parsers) disable $PARSER_LIST
 872   ;;
 873   --enable-*=*|--disable-*=*)
 874   eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
 875   case "$thing" in
 876       encoder|decoder|muxer|demuxer|parser) $action ${optval}_${thing} ;;
 877       *) die_unknown "$opt" ;;
 878   esac
 879   ;;
 880   --enable-?*|--disable-?*)
 881   eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
 882   echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
 883   $action $option
 884   ;;
 885   --help) show_help
 886   ;;
 887   *)
 888   die_unknown $opt
 889   ;;
 890   esac
 891 done
 892
 893 case "$arch" in
 894   i386|i486|i586|i686|i86pc|BePC)
 895     arch="x86_32"
 896   ;;
 897   x86_64|amd64)
 898     arch="x86_32"
 899     canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
 900     if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
 901       if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
 902         arch="x86_64"
 903       fi
 904     fi
 905   ;;
 906   # armv4l is a subset of armv[567]*l
 907   arm|armv[4567]*l)
 908     arch="armv4l"
 909   ;;
 910   alpha)
 911     arch="alpha"
 912   ;;
 913   "Power Macintosh"|ppc|ppc64|powerpc)
 914     arch="powerpc"
 915   ;;
 916   mips|mipsel|IP*)
 917     arch="mips"
 918   ;;
 919   sun4u|sparc64)
 920     arch="sparc64"
 921   ;;
 922   sparc)
 923     arch="sparc"
 924   ;;
 925   sh4)
 926     arch="sh4"
 927   ;;
 928   parisc|parisc64)
 929     arch="parisc"
 930   ;;
 931   s390|s390x)
 932     arch="s390"
 933   ;;
 934   m68k)
 935     arch="m68k"
 936   ;;
 937   ia64)
 938     arch="ia64"
 939   ;;
 940   bfin)
 941     arch="bfin"
 942   ;;
 943   *)
 944     arch="unknown"
 945   ;;
 946 esac
 947
 948 # OS specific
 949 osextralibs="-lm"
 950 case `tolower $targetos` in
 951   beos|haiku|zeta)
 952     PREFIX="$HOME/config"
 953     # helps building libavcodec
 954     add_cflags "-DPIC -fomit-frame-pointer"
 955     # 3 gcc releases known for BeOS, each with ugly bugs
 956     gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
 957     case "$gcc_version" in
 958       2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
 959         mmx="no"
 960         ;;
 961       *20010315*) echo "BeBits gcc"
 962         add_cflags "-fno-expensive-optimizations"
 963         ;;
 964     esac
 965     LDCONFIG="echo ignoring ldconfig"
 966     SHFLAGS=-nostart
 967     # disable Linux things
 968     dv1394="no"
 969     # enable BeOS things
 970     disabled audio_beos || enable_audio_beos
 971     # no need for libm, but the inet stuff
 972     # Check for BONE
 973     # XXX: actually should check for NOT net_server
 974     if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
 975         osextralibs="-lbind -lsocket"
 976     else
 977         beos_netserver="yes"
 978         osextralibs="-lnet"
 979     fi ;;
 980   sunos)
 981     dv1394="no"
 982     FFLDFLAGS=""
 983     FFSERVERLDFLAGS=""
 984     SHFLAGS="-shared -Wl,-h,\$@"
 985     add_extralibs "-lsocket -lnsl"
 986     ;;
 987   netbsd)
 988     dv1394="no"
 989     add_extralibs "-lossaudio"
 990     ;;
 991   openbsd)
 992     dv1394="no"
 993     need_memalign="no"
 994     LIBOBJFLAGS="\$(PIC)"
 995     LDCONFIG="ldconfig -m \$(shlibdir)"
 996     SHFLAGS='-shared'
 997     SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
 998     SLIBNAME_WITH_VERSION='$(SLIBNAME)'
 999     SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1000     add_extralibs "-lossaudio"
1001     ;;
1002   freebsd)
1003     dv1394="no"
1004     need_memalign="no"
1005     add_cflags "-pthread"
1006     ;;
1007   gnu/kfreebsd)
1008     dv1394="no"
1009     add_cflags "-pthread"
1010     ;;
1011   bsd/os)
1012     dv1394="no"
1013     osextralibs="-lpoll -lgnugetopt -lm"
1014     strip="strip -d"
1015     ;;
1016   darwin)
1017     cc="cc"
1018     dv1394="no"
1019     need_memalign="no"
1020     SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1021     VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1022     osextralibs=""
1023     strip="strip -x"
1024     FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1025     SLIBSUF=".dylib"
1026     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1027     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1028     FFSERVERLDFLAGS=-Wl,-bind_at_load
1029     ;;
1030   mingw32*)
1031     mingw32="yes"
1032     if enabled_all shared static; then
1033         cat <<EOF
1034 You can only build one library type at once on MinGW.
1035 Specify --disable-static --enable-shared to only build
1036 the shared libraries. To build only the static libraries
1037 you do not need to pass additional options.
1038 EOF
1039         exit 1
1040     fi
1041     dv1394="no"
1042     ffserver="no"
1043     network="no"
1044     if enabled wince; then
1045         protocols="no"
1046     fi
1047     SLIBPREF=""
1048     SLIBSUF=".dll"
1049     EXESUF=".exe"
1050     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1051     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1052     SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1053     SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1054     SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1055     ;;
1056   cygwin*)
1057     targetos=CYGWIN
1058     shlibdir="$bindir"
1059     dv1394="no"
1060     VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1061     VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1062     osextralibs=""
1063     EXESUF=".exe"
1064     SLIBPREF="cyg"
1065     SLIBSUF=".dll"
1066     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1067     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1068     SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
1069     ;;
1070   linux)
1071     LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1072     ;;
1073   irix*)
1074     targetos=IRIX
1075     ranlib="echo ignoring ranlib"
1076     ;;
1077   os/2)
1078     TMPE=$TMPE".exe"
1079     ar="emxomfar -p128"
1080     ranlib="echo ignoring ranlib"
1081     strip="echo ignoring strip"
1082     add_cflags "-Zomf"
1083     FFLDFLAGS="-Zomf -Zstack 16384 -s"
1084     SHFLAGS="-Zdll -Zomf"
1085     FFSERVERLDFLAGS=""
1086     LIBPREF=""
1087     LIBSUF=".lib"
1088     SLIBPREF=""
1089     SLIBSUF=".dll"
1090     EXESUF=".exe"
1091     osextralibs=""
1092     pkg_requires=""
1093     dv1394="no"
1094     ffserver="no"
1095     vhook="no"
1096     os2="yes"
1097     ;;
1098   *)
1099     targetos="${targetos}-UNKNOWN"
1100     ;;
1101 esac
1102
1103 add_extralibs $osextralibs
1104
1105 if ! disabled logging ; then
1106     enabled logging || logfile="$logging"
1107     echo "# $0 $@" >$logfile
1108     set >>$logfile
1109 else
1110     logfile=/dev/null
1111 fi
1112
1113 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1114 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1115
1116 test -n "$cross_prefix" && cross_compile=yes
1117 cc="${cross_prefix}${cc}"
1118 ar="${cross_prefix}${ar}"
1119 ranlib="${cross_prefix}${ranlib}"
1120 strip="${cross_prefix}${strip}"
1121
1122 # we need to build at least one lib type
1123 if disabled_all static shared; then
1124     cat <<EOF
1125 At least one library type must be built.
1126 Specify --enable-static to build the static libraries or --enable-shared to
1127 build the shared libraries as well. To only build the shared libraries specify
1128 --disable-static in addition to --enable-shared.
1129 EOF
1130     exit 1;
1131 fi
1132
1133 if disabled libogg; then
1134     enabled libtheora && die "libogg must be enabled to enable libtheora."
1135     enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1136 fi
1137
1138 if enabled_any libfaad libfaadbin ; then
1139     if check_header faad.h; then
1140         check_cc << EOF
1141 #include <faad.h>
1142 #ifndef FAAD2_VERSION
1143 ok faad1
1144 #endif
1145 int main( void ) { return 0; }
1146 EOF
1147         test $? = 0 && enable libfaad2
1148     else
1149         die "FAAD test failed."
1150     fi
1151 fi
1152
1153
1154 if disabled gpl ; then
1155     die_gpl_disabled(){
1156         name=$1
1157         shift
1158         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1159     }
1160     die_gpl_disabled "The Postprocessing code" pp
1161     die_gpl_disabled "liba52"                  liba52
1162     die_gpl_disabled "libxvidcore"             xvid
1163     die_gpl_disabled "x264"                    x264
1164     die_gpl_disabled "libdts"                  libdts
1165     die_gpl_disabled "FAAD2"                   libfaad2
1166     die_gpl_disabled "The X11 grabber"         x11grab
1167     die_gpl_disabled "The software scaler"     swscaler
1168 fi
1169
1170 # compute MMX state
1171 if test $mmx = "default"; then
1172     if test $arch = "x86_32" -o $arch = "x86_64"; then
1173         mmx="yes"
1174     else
1175         mmx="no"
1176     fi
1177 fi
1178
1179 test -z "$need_memalign" && need_memalign="$mmx"
1180
1181 #Darwin CC versions
1182 needmdynamicnopic="no"
1183 if test $targetos = Darwin; then
1184     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1185         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1186     else
1187         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1188         case "$gcc_version" in
1189             *2.95*)
1190                 add_cflags "-no-cpp-precomp -pipe"
1191                 ;;
1192             *[34].*)
1193                 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1194                 if disabled shared; then
1195                    needmdynamicnopic="yes"
1196                 fi
1197                 ;;
1198             *)
1199                 add_cflags "-no-cpp-precomp -pipe"
1200                 if disabled shared; then
1201                    needmdynamicnopic="yes"
1202                 fi
1203                 ;;
1204         esac
1205     fi
1206 fi
1207
1208 disabled optimize || add_cflags -fomit-frame-pointer
1209
1210 # Can only do AltiVec on PowerPC
1211 if test $altivec = "default"; then
1212     if test $arch = "powerpc"; then
1213         altivec="yes"
1214     else
1215         altivec="no"
1216     fi
1217 fi
1218
1219 # Add processor-specific flags
1220 POWERPCMODE="32bits"
1221 if test $cpu != "generic"; then
1222     warn_altivec(){
1223         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1224     }
1225     case $cpu in
1226         601|ppc601|PowerPC601)
1227             add_cflags "-mcpu=601"
1228             warn_altivec enabled PPC601
1229         ;;
1230         603*|ppc603*|PowerPC603*)
1231             add_cflags "-mcpu=603"
1232             warn_altivec enabled PPC603
1233         ;;
1234         604*|ppc604*|PowerPC604*)
1235             add_cflags "-mcpu=604"
1236             warn_altivec enabled PPC604
1237         ;;
1238         G3|g3|75*|ppc75*|PowerPC75*)
1239             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1240             warn_altivec enabled PPC75x
1241         ;;
1242         G4|g4|745*|ppc745*|PowerPC745*)
1243             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1244             warn_altivec disabled PPC745x
1245         ;;
1246         74*|ppc74*|PowerPC74*)
1247             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1248             warn_altivec disabled PPC74xx
1249         ;;
1250         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1251             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1252             warn_altivec disabled PPC970
1253             POWERPCMODE="64bits"
1254         ;;
1255         # targets that do NOT support conditional mov (cmov)
1256         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1257             add_cflags "-march=$cpu"
1258             cmov="no"
1259         ;;
1260         # targets that do support conditional mov (cmov)
1261         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1262             add_cflags "-march=$cpu"
1263             cmov="yes"
1264             fast_cmov="yes"
1265         ;;
1266         # targets that do support conditional mov but on which it's slow
1267         pentium4|prescott|nocona)
1268             add_cflags "-march=$cpu"
1269             cmov="yes"
1270             fast_cmov="no"
1271         ;;
1272         sparc64)
1273             add_cflags "-mcpu=v9"
1274         ;;
1275         *)
1276         echo "WARNING: Unknown CPU \"$cpu\", ignored."
1277         ;;
1278     esac
1279 fi
1280
1281 gnu_make(){
1282     $1 --version 2>&1 | grep -q GNU
1283 }
1284
1285 if ! gnu_make $make; then
1286     gnu_make gmake && make=gmake || die "GNU make not found."
1287 fi
1288
1289 # make sure we can execute files in $TMPDIR
1290 cat >$TMPE 2>>$logfile <<EOF
1291 #! /bin/sh
1292 EOF
1293 chmod +x $TMPE >>$logfile 2>&1
1294 if ! $TMPE >>$logfile 2>&1; then
1295     cat <<EOF
1296 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1297 variable to another directory and make sure that $TMPDIR1 is not mounted
1298 noexec.
1299 EOF
1300     die "Sanity test failed."
1301 fi
1302 rm $TMPE
1303
1304 # compiler sanity check
1305 check_exec <<EOF
1306 int main(){
1307     return 0;
1308 }
1309 EOF
1310 if test "$?" != 0; then
1311     echo "$cc is unable to create an executable file."
1312     if test -z "$cross_prefix" && disabled cross_compile ; then
1313         echo "If $cc is a cross-compiler, use the --cross-compile option."
1314         echo "Only do this if you know what cross compiling means."
1315     fi
1316     die "C compiler test failed."
1317 fi
1318
1319 # check for assembler specific support
1320
1321 if test $arch = "powerpc"; then
1322 check_cc <<EOF && dcbzl=yes
1323 int main(void) {
1324     register long zero = 0;
1325     char data[1024];
1326     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1327 return 0;
1328 }
1329 EOF
1330 fi
1331
1332 # check for SIMD availability
1333
1334 # AltiVec flags: The FSF version of GCC differs from the Apple version
1335 if test $arch = "powerpc"; then
1336     if enabled altivec; then
1337         if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1338             add_cflags "-faltivec"
1339         else
1340             add_cflags "-maltivec -mabi=altivec"
1341         fi
1342     fi
1343 fi
1344
1345 check_header altivec.h
1346
1347 # check if our compiler supports Motorola AltiVec C API
1348 if enabled altivec; then
1349     if enabled altivec_h; then
1350         inc_altivec_h="#include <altivec.h>"
1351     else
1352         inc_altivec_h=
1353     fi
1354     check_cc <<EOF || altivec=no
1355 $inc_altivec_h
1356 int main(void) {
1357     vector signed int v1, v2, v3;
1358     v1 = vec_add(v2,v3);
1359     return 0;
1360 }
1361 EOF
1362 fi
1363
1364 # check armv5te instructions support
1365 if test $armv5te = "default" -a $arch = "armv4l"; then
1366     armv5te=no
1367     check_cc <<EOF && armv5te=yes
1368         int main(void) {
1369         __asm__ __volatile__ ("qadd r0, r0, r0");
1370         }
1371 EOF
1372 fi
1373
1374 if test $armv6 = "default" -a $arch = "armv4l"; then
1375     check_cc <<EOF && armv6=yes || armv6=no
1376 int main(void) {
1377     __asm__ __volatile__ ("sadd16 r0, r0, r0");
1378 }
1379 EOF
1380 fi
1381
1382 # check iwmmxt support
1383 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1384     iwmmxt=no
1385     check_cc <<EOF && iwmmxt=yes
1386         int main(void) {
1387         __asm__ __volatile__ ("wunpckelub wr6, wr4");
1388         }
1389 EOF
1390 fi
1391
1392 # mmi only available on mips
1393 if test $mmi = "default"; then
1394     if test $arch = "mips"; then
1395         mmi="yes"
1396     else
1397         mmi="no"
1398     fi
1399 fi
1400
1401 # check if our compiler supports mmi
1402 enabled mmi && check_cc <<EOF || mmi="no"
1403 int main(void) {
1404     __asm__ ("lq \$2, 0(\$2)");
1405     return 0;
1406 }
1407 EOF
1408
1409 # ---
1410 # big/little-endian test
1411 if disabled cross_compile; then
1412     check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1413 #include <inttypes.h>
1414 int main(int argc, char ** argv){
1415         volatile uint32_t i=0x01234567;
1416         return (*((uint8_t*)(&i))) == 0x67;
1417 }
1418 EOF
1419 else
1420     # programs cannot be launched if cross compiling, so make a static guess
1421     if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1422         bigendian="yes"
1423     fi
1424 fi
1425
1426 # ---
1427 # check availability of some header files
1428
1429 check_header malloc.h
1430 check_func memalign
1431
1432 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1433     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1434 fi
1435
1436 check_header byteswap.h
1437
1438 check_func inet_aton
1439 check_func localtime_r
1440 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1441
1442 # ffserver uses poll(),
1443 # if it's not found we can emulate it using select().
1444 if enabled ffserver; then
1445     check_header sys/poll.h
1446 fi
1447
1448 # check for some common methods of building with pthread support
1449 # do this before the optional library checks as some of them require pthreads
1450 if enabled pthreads; then
1451     if check_func pthread_create; then
1452         :
1453     elif check_func pthread_create -pthread; then
1454         add_cflags -pthread
1455         add_ldflags -pthread
1456     elif check_func pthread_create -pthreads; then
1457         add_cflags -pthreads
1458         add_ldflags -pthreads
1459     elif ! check_lib pthread.h pthread_create -lpthread; then
1460         die "ERROR: can't find pthreads library"
1461     fi
1462 fi
1463
1464 for thread in pthreads beosthreads os2threads w32threads; do
1465     if enabled $thread; then
1466         if ! disabled thread_type ; then
1467             die "ERROR: Only one thread type must be selected."
1468         else
1469             thread_type="$thread"
1470         fi
1471     fi
1472 done
1473
1474 enabled_any amr_nb amr_nb_fixed amr_wb amr_if2 && enable amr
1475 enabled_all amr_nb amr_nb_fixed &&
1476     die "Only one of amr_nb and amr_nb_fixed may be enabled."
1477
1478 # these are off by default, so fail if requested and not available
1479 enabled liba52     && require liba52 a52dec/a52.h a52_init -la52
1480 enabled libdts     && require libdts dts.h dts_init -ldts -lm
1481 enabled libgsm     && require libgsm gsm.h gsm_create -lgsm
1482 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1483 enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
1484 enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1485 enabled libogg     && require libogg ogg/ogg.h ogg_sync_init -logg
1486 enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
1487 enabled xvid       && require XviD xvid.h xvid_global -lxvidcore
1488 enabled x264       && require x264 x264.h x264_encoder_open -lx264
1489 enabled dc1394     && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1490 enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1491
1492 # Ugh, libfaac uses stdcall calling convention on win32 so we can't use
1493 # the generic test functions
1494 if enabled libfaac; then
1495     save_flags
1496     temp_extralibs -lfaac
1497     check_ld <<EOF && add_extralibs -lfaac || die "ERROR: libfaac not found"
1498 #include <stdint.h>
1499 #include <faac.h>
1500 int main(){
1501     char *id, *cpr;
1502     faacEncGetVersion(&id, &cpr);
1503     return 0;
1504 }
1505 EOF
1506     restore_flags
1507 fi
1508
1509 # Ugh, recent faad2 versions have renamed all functions and #define the
1510 # old names in faad.h.  Generic tests won't work.
1511 if enabled libfaad; then
1512     save_flags
1513     temp_extralibs -lfaad
1514     check_ld <<EOF && add_extralibs -lfaad || die "ERROR: libfaad not found"
1515 #include <faad.h>
1516 int main(){
1517     faacDecOpen();
1518     return 0;
1519 }
1520 EOF
1521     restore_flags
1522 fi
1523
1524 # Ugh, avisynth uses WINAPI calls. Generic tests won't work.
1525 if enabled avisynth; then
1526     save_flags
1527     temp_extralibs -lvfw32
1528     check_ld <<EOF && add_extralibs -lvfw32 || die "ERROR: vfw32 not found"
1529 #include <windows.h>
1530 #include <vfw.h>
1531 int main(){
1532     AVIFileInit();
1533     return 0;
1534 }
1535 EOF
1536     restore_flags
1537 fi
1538
1539
1540 # test for lrintf in math.h
1541 check_exec <<EOF && lrintf=yes || lrintf=no
1542 #define _ISOC9X_SOURCE  1
1543 #include <math.h>
1544 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1545 EOF
1546
1547 _restrict=
1548 for restrict_keyword in restrict __restrict__ __restrict; do
1549     check_cc <<EOF && _restrict=$restrict_keyword && break
1550 void foo(char * $restrict_keyword p);
1551 EOF
1552 done
1553
1554 # dlopen/dlfcn.h probing
1555
1556 check_header dlfcn.h
1557
1558 if check_func dlopen; then
1559     ldl=
1560 elif check_func dlopen -ldl; then
1561     ldl=-ldl
1562 fi
1563
1564 test "$vhook" = "default" && vhook="$dlopen"
1565
1566 enabled_any vhook liba52bin libfaadbin && add_extralibs $ldl
1567
1568 if test "$targetos" = "CYGWIN" && enabled static ; then
1569     vhook="no"
1570     echo
1571     echo "At the moment vhooks don't work on Cygwin static builds."
1572     echo "Patches welcome."
1573     echo
1574 fi
1575
1576 if enabled vhook; then
1577     check_ldflags -rdynamic
1578     check_ldflags -export-dynamic
1579 fi
1580
1581 enabled audio_beos && add_extralibs "-lmedia -lbe"
1582
1583 enabled mingw32 && add_extralibs -lws2_32
1584
1585 ##########################################
1586 # imlib check
1587
1588 imlib2=no
1589 if imlib2-config --version >/dev/null 2>&1; then
1590     temp_cflags `imlib2-config --cflags`
1591     temp_extralibs `imlib2-config --libs`
1592     check_lib Imlib2.h imlib_load_font && enable imlib2
1593     restore_flags
1594 fi
1595
1596 ##########################################
1597 # FreeType check
1598
1599 freetype2=no
1600 if freetype-config --version >/dev/null 2>&1; then
1601     temp_cflags `freetype-config --cflags`
1602     temp_extralibs `freetype-config --libs`
1603     check_lib ft2build.h FT_Init_FreeType && enable freetype2
1604     restore_flags
1605 fi
1606
1607 ##########################################
1608 # SDL check
1609
1610 sdl_too_old=no
1611 sdl=no
1612 SDL_CONFIG="${cross_prefix}sdl-config"
1613 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1614     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1615     temp_cflags $sdl_cflags
1616     temp_extralibs `"${SDL_CONFIG}" --libs`
1617     if check_lib SDL.h SDL_Init; then
1618         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1619         if test "$_sdlversion" -lt 121 ; then
1620             sdl_too_old=yes
1621         else
1622             sdl=yes
1623             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1624 #include <SDL.h>
1625 int main(void){
1626     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1627     int w = vi->current_w;
1628     return 0;
1629 }
1630 EOF
1631         fi
1632     fi
1633     restore_flags
1634 fi
1635
1636 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1637
1638 ##########################################
1639 # IPv6 check
1640
1641 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1642 #include <sys/types.h>
1643 #include <sys/socket.h>
1644 #include <netinet/in.h>
1645 #include <netdb.h>
1646 int main( void ) {
1647   struct sockaddr_storage saddr;
1648   struct ipv6_mreq mreq6;
1649   getaddrinfo(0,0,0,0);
1650   getnameinfo(0,0,0,0,0,0,0);
1651   IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1652 }
1653 EOF
1654
1655 enabled v4l  && check_header linux/videodev.h  || disable v4l
1656 enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1657
1658 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1659 if enabled bktr; then
1660     { check_header dev/bktr/ioctl_meteor.h &&
1661       check_header dev/bktr/ioctl_bt848.h; } ||
1662     { check_header machine/ioctl_meteor.h &&
1663       check_header machine/ioctl_bt848.h; } ||
1664     { check_header dev/video/meteor/ioctl_meteor.h &&
1665       check_header dev/video/bktr/ioctl_bt848.h; } ||
1666     check_header dev/ic/bt8xx.h ||
1667     disable bktr
1668 fi
1669
1670 enabled audio_oss &&
1671     check_header sys/soundcard.h ||
1672     check_header soundcard.h ||
1673     disable audio_oss
1674
1675 # Deal with the x11 frame grabber
1676 enabled x11grab                         &&
1677 enabled gpl                             &&
1678 enabled x11_grab_device_demuxer         &&
1679 check_header X11/Xlib.h                 &&
1680 check_header X11/extensions/XShm.h      &&
1681 check_func XOpenDisplay -lX11           &&
1682 check_func XShmCreateImage -lX11 -lXext &&
1683 add_extralibs -lX11 -lXext              ||
1684 disable x11_grab_device_demuxer
1685
1686 enabled debug && add_cflags -g
1687
1688 # add some useful compiler flags if supported
1689 check_cflags -Wdeclaration-after-statement
1690 check_cflags -Wall
1691 check_cflags -Wno-switch
1692 check_cflags -Wdisabled-optimization
1693 check_cflags -Wpointer-arith
1694 check_cflags -Wredundant-decls
1695 check_cflags -Wno-pointer-sign
1696 enabled extra_warnings && check_cflags -Winline
1697
1698 # add some linker flags
1699 check_ldflags $LDLATEFLAGS
1700
1701 # not all compilers support -Os
1702 test "$optimize" = "small" && check_cflags -Os
1703
1704 if enabled optimize; then
1705     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1706         add_cflags  "-O5"
1707         add_ldflags "-O5"
1708     else
1709         add_cflags "-O3"
1710     fi
1711 fi
1712
1713 # PIC flags for shared library objects where they are needed
1714 if enabled shared; then
1715     # LIBOBJFLAGS may have already been set in the OS configuration
1716     if test -z "$LIBOBJFLAGS" ; then
1717         case "$arch" in
1718             x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1719         esac
1720     fi
1721 fi
1722
1723 if enabled gprof; then
1724     add_cflags  "-p"
1725     add_ldflags "-p"
1726 fi
1727
1728 VHOOKCFLAGS="-fPIC $CFLAGS"
1729 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1730
1731 # find if .align arg is power-of-two or not
1732 if test $asmalign_pot = "unknown"; then
1733     asmalign_pot="no"
1734     echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1735 fi
1736
1737 enabled_any $ENCODER_LIST && enable encoders
1738 enabled_any $DECODER_LIST && enable decoders
1739 enabled_any $MUXER_LIST   && enable muxers
1740 enabled_any $DEMUXER_LIST && enable demuxers
1741
1742 enabled_any pthreads beosthreads os2threads w32threads && enable threads
1743
1744 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1745     $DEMUXER_LIST $MUXER_LIST
1746
1747 enabled libogg    && append pkg_requires "ogg >= 1.1"
1748 enabled libtheora && append pkg_requires "theora"
1749 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1750 enabled dc1394    && append pkg_requires "libraw1394"
1751
1752 echo "install prefix            $PREFIX"
1753 echo "source path               $source_path"
1754 echo "C compiler                $cc"
1755 echo "make                      $make"
1756 echo ".align is power-of-two    $asmalign_pot"
1757 echo "ARCH                      $arch ($cpu)"
1758 if test "$BUILDSUF" != ""; then
1759     echo "build suffix              $BUILDSUF"
1760 fi
1761 echo "big-endian                $bigendian"
1762 if test $arch = "x86_32" -o $arch = "x86_64"; then
1763     echo "MMX enabled               $mmx"
1764     echo "CMOV enabled              $cmov"
1765     echo "CMOV is fast              $fast_cmov"
1766 fi
1767 if test $arch = "armv4l"; then
1768     echo "ARMv5TE enabled           $armv5te"
1769     echo "ARMv6 enabled             $armv6"
1770     echo "IWMMXT enabled            $iwmmxt"
1771 fi
1772 if test $arch = "mips"; then
1773     echo "MMI enabled               $mmi"
1774 fi
1775 if test $arch = "powerpc"; then
1776     echo "AltiVec enabled           $altivec"
1777     echo "dcbzl available           $dcbzl"
1778 fi
1779 echo "gprof enabled             $gprof"
1780 echo "debug symbols             $debug"
1781 echo "strip symbols             $dostrip"
1782 echo "optimize                  $optimize"
1783 echo "static                    $static"
1784 echo "shared                    $shared"
1785 echo "postprocessing support    $pp"
1786 echo "software scaler enabled   $swscaler"
1787 echo "video hooking             $vhook"
1788 if enabled vhook; then
1789     echo "Imlib2 support            $imlib2"
1790     echo "FreeType support          $freetype2"
1791 fi
1792 echo "network support           $network"
1793 if enabled network; then
1794     echo "IPv6 support              $ipv6"
1795 fi
1796 echo "threading support         $thread_type"
1797 echo "SDL support               $sdl"
1798 if enabled sdl_too_old; then
1799     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1800 fi
1801 echo "Sun medialib support      $mlib"
1802 echo "AVISynth enabled          $avisynth"
1803 echo "liba52 support            $liba52"
1804 echo "liba52 dlopened           $liba52bin"
1805 echo "libdts support            $libdts"
1806 echo "libfaac enabled           $libfaac"
1807 echo "libfaad enabled           $libfaad"
1808 echo "faadbin enabled           $libfaadbin"
1809 echo "libgsm enabled            $libgsm"
1810 echo "libmp3lame enabled        $libmp3lame"
1811 echo "libnut enabled            $libnut"
1812 echo "libogg enabled            $libogg"
1813 echo "libtheora enabled         $libtheora"
1814 echo "libvorbis enabled         $libvorbis"
1815 echo "x264 enabled              $x264"
1816 echo "XviD enabled              $xvid"
1817 echo "zlib enabled              $zlib"
1818 echo "AMR-NB float support      $amr_nb"
1819 echo "AMR-NB fixed support      $amr_nb_fixed"
1820 echo "AMR-WB float support      $amr_wb"
1821 echo "AMR-WB IF2 support        $amr_if2"
1822 if disabled gpl; then
1823     echo "License: LGPL"
1824 else
1825     echo "License: GPL"
1826 fi
1827
1828 echo "Creating config.mak and config.h..."
1829
1830 echo "# Automatically generated by configure - do not modify!" > config.mak
1831 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1832 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1833
1834 echo "PREFIX=$PREFIX" >> config.mak
1835 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1836 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1837 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1838 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1839 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1840 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1841 echo "MAKE=$make" >> config.mak
1842 echo "CC=$cc" >> config.mak
1843 echo "AR=$ar" >> config.mak
1844 echo "RANLIB=$ranlib" >> config.mak
1845 if enabled dostrip; then
1846     echo "STRIP=$strip" >> config.mak
1847 else
1848     echo "STRIP=echo ignoring strip" >> config.mak
1849 fi
1850
1851 echo "OPTFLAGS=$CFLAGS" >> config.mak
1852 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1853 echo "LDFLAGS=$LDFLAGS" >> config.mak
1854 echo "LDCONFIG=$LDCONFIG" >> config.mak
1855 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1856 echo "SHFLAGS=$SHFLAGS" >> config.mak
1857 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1858 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1859 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1860 echo "BUILD_STATIC=$static" >> config.mak
1861 echo "BUILDSUF=$BUILDSUF" >> config.mak
1862 echo "LIBPREF=$LIBPREF" >> config.mak
1863 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1864 if enabled static; then
1865   echo "LIB=$LIB" >> config.mak
1866 else # Some Make complain if this variable does not exist.
1867   echo "LIB=" >> config.mak
1868 fi
1869 echo "SLIBPREF=$SLIBPREF" >> config.mak
1870 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1871 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1872 echo "TARGET_OS=$targetos" >> config.mak
1873
1874 ucarch=`toupper $arch`
1875 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1876 echo "#define ARCH_${ucarch} 1" >> $TMPH
1877
1878 # special cases
1879 case "$arch" in
1880     x86_32|x86_64)
1881         echo "TARGET_ARCH_X86=yes" >> config.mak
1882         echo "#define ARCH_X86 1" >> $TMPH
1883         ;;
1884     powerpc)
1885         if test "$POWERPCMODE" = "64bits"; then
1886             echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1887         fi
1888         ;;
1889     sparc64)
1890         echo "TARGET_ARCH_SPARC=yes" >> config.mak
1891         echo "#define ARCH_SPARC 1" >> $TMPH
1892         ;;
1893 esac
1894
1895 if enabled bigendian; then
1896   echo "WORDS_BIGENDIAN=yes" >> config.mak
1897   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1898 fi
1899 if enabled mmx; then
1900   echo "#define __CPU__ 586" >> $TMPH
1901 fi
1902
1903 if enabled sdl; then
1904   echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1905   echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1906 fi
1907 if enabled texi2html; then
1908   echo "BUILD_DOC=yes" >> config.mak
1909 fi
1910
1911 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1912 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1913 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1914 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1915 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1916
1917
1918
1919 if enabled shared; then
1920   echo "BUILD_SHARED=yes" >> config.mak
1921   echo "PIC=-fPIC -DPIC" >> config.mak
1922   echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1923   echo "SPPVERSION=$pp_version" >> config.mak
1924   echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1925   echo "LAVCVERSION=$lavc_version" >> config.mak
1926   echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1927   echo "LAVFVERSION=$lavf_version" >> config.mak
1928   echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1929   echo "LAVUVERSION=$lavu_version" >> config.mak
1930   echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1931   echo "SWSVERSION=$sws_version" >> config.mak
1932   echo "SLIBNAME=${SLIBNAME}" >> config.mak
1933   echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1934   echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1935   echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1936   echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1937 fi
1938 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1939 echo "EXTRALIBS=$extralibs" >> config.mak
1940
1941 print_config HAVE_   $TMPH config.mak $HAVE_LIST
1942 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1943 print_config TARGET_ $TMPH config.mak $TARGET_LIST
1944
1945 if test "$targetos" = "Darwin"; then
1946   echo "#define CONFIG_DARWIN 1"  >> $TMPH
1947 fi
1948
1949 echo "#define restrict $_restrict" >> $TMPH
1950
1951 if test "$optimize" = "small"; then
1952   echo "#define always_inline"  >> $TMPH
1953   echo "#define CONFIG_SMALL 1" >> $TMPH
1954 fi
1955
1956 echo "SRC_PATH=\"$source_path\"" >> config.mak
1957 echo "SRC_PATH_BARE=$source_path" >> config.mak
1958 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1959
1960 if enabled amr_if2; then
1961   echo "AMR_CFLAGS=-DIF2=1" >> config.mak
1962 fi
1963
1964 # Apparently it's not possible to portably echo a backslash.
1965 if enabled asmalign_pot; then
1966   printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
1967 else
1968   printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1969 fi
1970
1971
1972 for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
1973     ucname="`toupper $codec`"
1974     config_name="CONFIG_$ucname"
1975     enabled_name="ENABLE_$ucname"
1976     if enabled $codec; then
1977         echo "#define $config_name 1" >> $TMPH
1978         echo "#define $enabled_name 1" >> $TMPH
1979         echo "$config_name=yes" >> config.mak
1980     else
1981         echo "#define $enabled_name 0" >> $TMPH
1982     fi
1983 done
1984
1985 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1986 if ! cmp -s $TMPH config.h; then
1987         mv -f $TMPH config.h
1988 else
1989         echo "config.h is unchanged"
1990 fi
1991
1992 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
1993
1994 # build tree in object directory if source path is different from current one
1995 if enabled source_path_used; then
1996     DIRS="\
1997          doc \
1998          libavformat \
1999          libavcodec \
2000          libavcodec/alpha \
2001          libavcodec/armv4l \
2002          libavcodec/bfin \
2003          libavcodec/i386 \
2004          libavcodec/sparc \
2005          libavcodec/mlib \
2006          libavcodec/ppc \
2007          libavcodec/amr \
2008          libavcodec/amr_float \
2009          libavcodec/amrwb_float \
2010          libpostproc \
2011          libavutil \
2012          libswscale \
2013          tests \
2014          vhook \
2015          "
2016     FILES="\
2017           Makefile \
2018           common.mak \
2019           libavformat/Makefile \
2020           libavcodec/Makefile \
2021           libpostproc/Makefile \
2022           libavutil/Makefile \
2023           libswscale/Makefile \
2024           tests/Makefile \
2025           vhook/Makefile \
2026           doc/Makefile \
2027           doc/texi2pod.pl \
2028           "
2029     for dir in $DIRS ; do
2030             mkdir -p $dir
2031     done
2032     for f in $FILES ; do
2033         ln -sf "$source_path/$f" $f
2034     done
2035 fi
2036
2037
2038 # build pkg-config files
2039 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2040
2041 pkgconfig_generate(){
2042 name=$1
2043 comment=$2
2044 version=$3
2045 libs=$4
2046 requires=$5
2047 include=$6
2048 cat <<EOF >$name.pc
2049 prefix=$PREFIX
2050 exec_prefix=\${prefix}
2051 libdir=\${exec_prefix}/lib
2052 includedir=\${prefix}/include
2053
2054 Name: $name
2055 Description: $comment
2056 Version: $version
2057 Requires: $requires
2058 Conflicts:
2059 Libs: -L\${libdir} $libs
2060 Cflags: -I\${includedir} -I\${includedir}/$include
2061 EOF
2062 }
2063
2064 pkgconfig_generate_uninstalled(){
2065 name=$1
2066 shortname=${name#lib}
2067 comment=$2
2068 version=$3
2069 libs=$4
2070 requires=$5
2071 cat <<EOF >$name-uninstalled.pc
2072 prefix=
2073 exec_prefix=
2074 libdir=\${pcfiledir}/$name
2075 includedir=\${pcfiledir}/$name
2076
2077 Name: $name
2078 Description: $comment
2079 Version: $version
2080 Requires: $requires
2081 Conflicts:
2082 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2083 Cflags: -I\${includedir}
2084 EOF
2085 }
2086
2087 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2088 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2089
2090 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2091 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2092
2093 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2094 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2095
2096 if enabled pp; then
2097   pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2098   pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2099 fi
2100
2101 if enabled swscaler; then
2102   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "libavutil = $lavu_version" swscale
2103   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2104 else
2105   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale
2106   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2107   apply libswscale.pc sed s/^Libs:.*$/Libs:/
2108   apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2109 fi