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-static          build static libraries [default=yes]"
  66   echo "  --disable-static         do not build static libraries [default=no]"
  67   echo "  --enable-shared          build shared libraries [default=no]"
  68   echo "  --disable-shared         do not build shared libraries [default=yes]"
  69   echo "  --enable-gpl             allow use of GPL code, the resulting libav*"
  70   echo "                           and ffmpeg will be under GPL [default=no]"
  71   echo "  --enable-pp              enable GPLed postprocessing support [default=no]"
  72   echo "  --enable-swscaler        software scaler support [default=no]"
  73   echo "  --enable-beosthreads     use BeOS threads [default=no]"
  74   echo "  --enable-pthreads        use pthreads [default=no]"
  75   echo "  --enable-w32threads      use Win32 threads [default=no]"
  76   echo "  --enable-x11grab         enable X11 grabbing [default=no]"
  77   echo
  78   echo "External library support:"
  79   echo "  --enable-sunmlib         use Sun medialib [default=no]"
  80   echo "  --enable-liba52          enable GPLed liba52 support [default=no]"
  81   echo "  --enable-liba52bin       open liba52.so.0 at runtime [default=no]"
  82   echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"
  83   echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec"
  84   echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec"
  85   echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
  86   echo "                           and libraw1394 [default=no]"
  87   echo "  --enable-libfaac         enable FAAC support via libfaac [default=no]"
  88   echo "  --enable-libfaad         enable FAAD support via libfaad [default=no]"
  89   echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [default=no]"
  90   echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
  91   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no]"
  92   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
  93   echo "                           native demuxer exists [default=no]"
  94   echo "  --enable-libogg          enable Ogg muxing via libogg [default=no]"
  95   echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
  96   echo "  --enable-libvorbis       enable Vorbis en/decoding via libvorbis,"
  97   echo "                           native implementations exist [default=no]"
  98   echo "  --enable-libx264         enable H.264 encoding via x264 [default=no]"
  99   echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
 100   echo "                           native MPEG-4/Xvid encoder exists [default=no]"
 101   echo ""
 102   echo "Advanced options (experts only):"
 103   echo "  --source-path=PATH       path to source code [$source_path]"
 104   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 105   echo "  --cross-compile          assume a cross-compiler is used"
 106   echo "  --target-os=OS           compiler targets OS [$targetos]"
 107   echo "  --cc=CC                  use C compiler CC [$cc]"
 108   echo "  --make=MAKE              use specified make [$make]"
 109   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 110   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 111   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 112   echo "  --build-suffix=SUFFIX    suffix for application specific build []"
 113   echo "  --arch=ARCH              select architecture  [$arch]"
 114   echo "  --cpu=CPU                selects the minimum cpu required (affects"
 115   echo "                           instruction selection, may crash on older CPUs)"
 116   echo "  --enable-powerpc-perf    enable performance report on PPC"
 117   echo "                           (requires enabling PMC)"
 118   echo "  --disable-mmx            disable MMX usage"
 119   echo "  --disable-armv5te        disable armv5te usage"
 120   echo "  --disable-armv6          disable armv6 usage"
 121   echo "  --disable-iwmmxt         disable iwmmxt usage"
 122   echo "  --disable-altivec        disable AltiVec usage"
 123   echo "  --disable-audio-oss      disable OSS audio support [default=no]"
 124   echo "  --disable-audio-beos     disable BeOS audio support [default=no]"
 125   echo "  --disable-bktr           disable bktr video grabbing [default=no]"
 126   echo "  --disable-network        disable network support [default=no]"
 127   echo "  --disable-ipv6           disable ipv6 support [default=no]"
 128   echo "  --disable-zlib           disable zlib [default=no]"
 129   echo "  --disable-vhook          disable video hooking support"
 130   echo "  --disable-debug          disable debugging symbols"
 131   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 132   echo "                           MPEG audio decoding [default=no]"
 133   echo "  --enable-gray            enable full grayscale support (slower color)"
 134   echo "  --disable-ffmpeg         disable ffmpeg build"
 135   echo "  --disable-ffserver       disable ffserver build"
 136   echo "  --disable-ffplay         disable ffplay build"
 137   echo "  --enable-small           optimize for size instead of speed"
 138   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 139   echo "  --disable-encoder=NAME   disables encoder NAME"
 140   echo "  --enable-encoder=NAME    enables encoder NAME"
 141   echo "  --disable-decoder=NAME   disables decoder NAME"
 142   echo "  --enable-decoder=NAME    enables decoder NAME"
 143   echo "  --disable-encoders       disables all encoders"
 144   echo "  --disable-decoders       disables all decoders"
 145   echo "  --disable-muxer=NAME     disables muxer NAME"
 146   echo "  --enable-muxer=NAME      enables muxer NAME"
 147   echo "  --disable-muxers         disables all muxers"
 148   echo "  --disable-demuxer=NAME   disables demuxer NAME"
 149   echo "  --enable-demuxer=NAME    enables demuxer NAME"
 150   echo "  --disable-demuxers       disables all demuxers"
 151   echo "  --enable-parser=NAME     enables parser NAME"
 152   echo "  --disable-parser=NAME    disables parser NAME"
 153   echo "  --disable-parsers        disables all parsers"
 154   echo "  --enable-bsf=NAME        enables bitstream filter NAME"
 155   echo "  --disable-bsf=NAME       disables bitstream filter NAME"
 156   echo "  --disable-bsfs           disables all bitstream filters"
 157   echo "  --enable-protocol=NAME   enables protocol NAME"
 158   echo "  --disable-protocol=NAME  disables protocol NAME"
 159   echo "  --disable-protocols      disables all protocols"
 160   echo "  --list-decoders          show all available decoders"
 161   echo "  --list-encoders          show all available encoders"
 162   echo "  --list-muxers            show all available muxers"
 163   echo "  --list-demuxers          show all available demuxers"
 164   echo "  --list-parsers           show all available parsers"
 165   echo "  --list-protocols         show all available protocols"
 166   echo "  --list-bsfs              show all available bitstream filters"
 167   echo
 168   echo "Developer options (useful when working on FFmpeg itself):"
 169   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 170   echo "  --disable-opts           disable compiler optimizations"
 171   echo "  --enable-extra-warnings  enable more compiler warnings"
 172   echo "  --disable-strip          disable stripping of executables and shared libraries"
 173   echo ""
 174   echo "NOTE: Object files are built at the place where configure is launched."
 175   exit 1
 176 }
 177
 178 log(){
 179     echo "$@" >>$logfile
 180 }
 181
 182 log_file(){
 183     log BEGIN $1
 184     cat -n $1 >>$logfile
 185     log END $1
 186 }
 187
 188 echolog(){
 189     log "$@"
 190     echo "$@"
 191 }
 192
 193 die(){
 194     echolog "$@"
 195     cat <<EOF
 196 If you think configure made a mistake, make sure you are using the latest
 197 version from SVN.  If the latest version fails, report the problem to the
 198 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 199 EOF
 200     if enabled logging; then
 201         cat <<EOF
 202 Include the log file "$logfile" produced by configure as this will help
 203 solving the problem.
 204 EOF
 205     else
 206 cat <<EOF
 207 Rerun configure with logging enabled (do not use --log=no), and include the
 208 log this produces with your report.
 209 EOF
 210     fi
 211     rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
 212     exit 1
 213 }
 214
 215 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
 216 toupper(){
 217     echo "$@" | tr '[a-z]' '[A-Z]'
 218 }
 219
 220 tolower(){
 221     echo "$@" | tr '[A-Z]' '[a-z]'
 222 }
 223
 224 set_all(){
 225     value=$1
 226     shift
 227     for var in $*; do
 228         eval $var=$value
 229     done
 230 }
 231
 232 pushvar(){
 233     for var in $*; do
 234         eval level=\${${var}_level:=0}
 235         eval ${var}_${level}="\$$var"
 236         eval ${var}_level=$(($level+1))
 237     done
 238 }
 239
 240 popvar(){
 241     for var in $*; do
 242         eval level=\${${var}_level:-0}
 243         test $level = 0 && continue
 244         eval level=$(($level-1))
 245         eval $var="\${${var}_${level}}"
 246         eval ${var}_level=$level
 247         eval unset ${var}_${level}
 248     done
 249 }
 250
 251 enable(){
 252     set_all yes $*
 253 }
 254
 255 disable(){
 256     set_all no $*
 257 }
 258
 259 enabled(){
 260     eval test "x\$$1" = "xyes"
 261 }
 262
 263 disabled(){
 264     eval test "x\$$1" = "xno"
 265 }
 266
 267 enabled_all(){
 268     for opt; do
 269         enabled $opt || return 1
 270     done
 271 }
 272
 273 disabled_all(){
 274     for opt; do
 275         disabled $opt || return 1
 276     done
 277 }
 278
 279 enabled_any(){
 280     for opt; do
 281         enabled $opt && return 0
 282     done
 283 }
 284
 285 disabled_any(){
 286     for opt; do
 287         disabled $opt && return 0
 288     done
 289 }
 290
 291 is_in(){
 292     value=$1
 293     shift
 294     for var in $*; do
 295         [ $var = $value ] && return 0
 296     done
 297     return 1
 298 }
 299
 300 check_deps(){
 301     for cfg; do
 302         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 303         disabled ${cfg}_checking && continue
 304         enable ${cfg}_checking
 305
 306         eval dep_all="\$${cfg}_deps"
 307         eval dep_any="\$${cfg}_deps_any"
 308
 309         pushvar cfg dep_all dep_any
 310         check_deps $dep_all $dep_any
 311         popvar cfg dep_all dep_any
 312
 313         enabled_all $dep_all || disable $cfg
 314         enabled_any $dep_any || disable $cfg
 315
 316         disable ${cfg}_checking
 317     done
 318 }
 319
 320 print_config(){
 321     pfx=$1
 322     header=$2
 323     makefile=$3
 324     shift 3
 325     for cfg; do
 326         ucname="`toupper $cfg`"
 327         if enabled $cfg; then
 328             echo "#define ${pfx}${ucname} 1" >> $header
 329             echo "#define ENABLE_${ucname} 1" >> $header
 330             echo "${pfx}${ucname}=yes" >> $makefile
 331         else
 332             echo "#define ENABLE_${ucname} 0" >> $header
 333         fi
 334     done
 335 }
 336
 337 flags_saved(){
 338     (: ${SAVE_CFLAGS?}) 2>/dev/null
 339 }
 340
 341 save_flags(){
 342     flags_saved && return
 343     SAVE_CFLAGS="$CFLAGS"
 344     SAVE_LDFLAGS="$LDFLAGS"
 345     SAVE_extralibs="$extralibs"
 346 }
 347
 348 restore_flags(){
 349     flags_saved || return
 350     CFLAGS="$SAVE_CFLAGS"
 351     LDFLAGS="$SAVE_LDFLAGS"
 352     extralibs="$SAVE_extralibs"
 353     unset SAVE_CFLAGS
 354     unset SAVE_LDFLAGS
 355     unset SAVE_extralibs
 356 }
 357
 358 temp_cflags(){
 359     save_flags
 360     CFLAGS="$CFLAGS $*"
 361 }
 362
 363 temp_ldflags(){
 364     save_flags
 365     LDFLAGS="$LDFLAGS $*"
 366 }
 367
 368 temp_extralibs(){
 369     save_flags
 370     extralibs="$extralibs $*"
 371 }
 372
 373 append(){
 374     var=$1
 375     shift
 376     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 377     eval "$var=\"\$$var $*\""
 378 }
 379
 380 add_cflags(){
 381     append CFLAGS "$@"
 382 }
 383
 384 add_ldflags(){
 385     append LDFLAGS "$@"
 386 }
 387
 388 add_extralibs(){
 389     append extralibs "$@"
 390 }
 391
 392 check_cmd(){
 393     log "$@"
 394     "$@" >>$logfile 2>&1
 395 }
 396
 397 check_cc(){
 398     log check_cc "$@"
 399     cat >$TMPC
 400     log_file $TMPC
 401     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 402 }
 403
 404 check_cpp(){
 405     log check_cpp "$@"
 406     cat >$TMPC
 407     log_file $TMPC
 408     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 409 }
 410
 411 check_ld(){
 412     log check_ld "$@"
 413     check_cc || return
 414     flags=''
 415     libs=''
 416     for f; do
 417         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 418     done
 419     check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 420 }
 421
 422 check_cflags(){
 423     log check_cflags "$@"
 424     check_cc "$@" <<EOF && add_cflags "$@"
 425 int x;
 426 EOF
 427 }
 428
 429 check_ldflags(){
 430     log check_ldflags "$@"
 431     check_ld "$@" <<EOF && add_ldflags "$@"
 432 int main(){
 433     return 0;
 434 }
 435 EOF
 436 }
 437
 438 check_header(){
 439     log check_header "$@"
 440     header=$1
 441     shift
 442     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 443     disable $var
 444     check_cpp "$@" <<EOF && enable $var
 445 #include <$header>
 446 int x;
 447 EOF
 448 }
 449
 450 check_func(){
 451     log check_func "$@"
 452     func=$1
 453     shift
 454     disable $func
 455     check_ld "$@" <<EOF && enable $func
 456 extern int $func();
 457 int main(){
 458     $func();
 459 }
 460 EOF
 461 }
 462
 463 check_func2(){
 464     log check_func2 "$@"
 465     headers=$1
 466     func=$2
 467     shift 2
 468     disable $func
 469     incs=""
 470     for hdr in $headers; do
 471         incs="$incs
 472 #include <$hdr>"
 473     done
 474     check_ld "$@" <<EOF && enable $func
 475 $incs
 476 int main(){
 477     (void) $func;
 478     return 0;
 479 }
 480 EOF
 481 }
 482
 483 check_lib(){
 484     log check_lib "$@"
 485     header="$1"
 486     func="$2"
 487     shift 2
 488     temp_extralibs "$@"
 489     check_header $header && check_func $func && add_extralibs "$@"
 490     err=$?
 491     restore_flags
 492     return $err
 493 }
 494
 495 check_lib2(){
 496     log check_lib2 "$@"
 497     headers="$1"
 498     func="$2"
 499     shift 2
 500     temp_extralibs "$@"
 501     check_func2 "$headers" $func && add_extralibs "$@"
 502     err=$?
 503     restore_flags
 504     return $err
 505 }
 506
 507 check_exec(){
 508     check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
 509 }
 510
 511 check_exec_crash(){
 512     code=`cat`
 513
 514     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 515     # are safe but may not be available everywhere.  Thus we use
 516     # raise(SIGTERM) instead.  The check is run in a subshell so we
 517     # can redirect the "Terminated" message from the shell.  SIGBUS
 518     # is not defined by standard C so it is used conditionally.
 519
 520     (check_exec "$@") >>$logfile 2>&1 <<EOF
 521 #include <signal.h>
 522 static void sighandler(int sig){
 523     raise(SIGTERM);
 524 }
 525 int main(){
 526     signal(SIGILL, sighandler);
 527     signal(SIGFPE, sighandler);
 528     signal(SIGSEGV, sighandler);
 529 #ifdef SIGBUS
 530     signal(SIGBUS, sighandler);
 531 #endif
 532     { $code }
 533 }
 534 EOF
 535 }
 536
 537 require(){
 538     name="$1"
 539     header="$2"
 540     func="$3"
 541     shift 3
 542     check_lib $header $func "$@" || die "ERROR: $name not found"
 543 }
 544
 545 require2(){
 546     name="$1"
 547     headers="$2"
 548     func="$3"
 549     shift 3
 550     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 551 }
 552
 553 check_foo_config(){
 554     cfg=$1
 555     pkg=$2
 556     header=$3
 557     func=$4
 558     shift 4
 559     disable $cfg
 560     check_cmd ${pkg}-config --version
 561     err=$?
 562     if test "$err" = 0; then
 563         temp_cflags `${pkg}-config --cflags`
 564         temp_extralibs `${pkg}-config --libs`
 565         check_lib "$@" $header $func && enable $cfg
 566     fi
 567     return $err
 568 }
 569
 570 apply(){
 571     file=$1
 572     shift
 573     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 574 }
 575
 576 COMPONENT_LIST="
 577     bsfs
 578     decoders
 579     demuxers
 580     encoders
 581     muxers
 582     parsers
 583     protocols
 584 "
 585
 586 CONFIG_LIST="
 587     $COMPONENT_LIST
 588     audio_beos
 589     audio_oss
 590     avisynth
 591     beos_netserver
 592     bktr
 593     ffmpeg
 594     ffplay
 595     ffserver
 596     gpl
 597     gprof
 598     gray
 599     ipv6
 600     liba52
 601     liba52bin
 602     libamr
 603     libamr_nb
 604     libamr_wb
 605     libdc1394
 606     libfaac
 607     libfaad
 608     libfaadbin
 609     libgsm
 610     libmp3lame
 611     libnut
 612     libogg
 613     libtheora
 614     libvorbis
 615     libx264
 616     libxvid
 617     memalign_hack
 618     mpegaudio_hp
 619     network
 620     powerpc_perf
 621     pp
 622     small
 623     swscaler
 624     vhook
 625     x11grab
 626     zlib
 627 "
 628
 629 THREADS_LIST='
 630     beosthreads
 631     pthreads
 632     w32threads
 633 '
 634
 635 ARCH_LIST='
 636     alpha
 637     armv4l
 638     bfin
 639     ia64
 640     m68k
 641     mips
 642     parisc
 643     powerpc
 644     s390
 645     sh4
 646     sparc
 647     sparc64
 648     x86
 649     x86_32
 650     x86_64
 651 '
 652
 653 ARCH_EXT_LIST='
 654     altivec
 655     armv5te
 656     armv6
 657     iwmmxt
 658     mmi
 659     mmx
 660     ssse3
 661 '
 662
 663 HAVE_LIST="
 664     $ARCH_EXT_LIST
 665     $THREADS_LIST
 666     altivec_h
 667     arpa_inet_h
 668     byteswap_h
 669     closesocket
 670     cmov
 671     conio_h
 672     dcbzl
 673     dev_bktr_ioctl_bt848_h
 674     dev_bktr_ioctl_meteor_h
 675     dev_ic_bt8xx_h
 676     dev_video_meteor_ioctl_meteor_h
 677     dev_video_bktr_ioctl_bt848_h
 678     dlfcn_h
 679     dlopen
 680     ebp_available
 681     ebx_available
 682     fast_64bit
 683     fast_cmov
 684     fast_unaligned
 685     fork
 686     freetype2
 687     gethrtime
 688     GetProcessTimes
 689     getrusage
 690     imlib2
 691     inet_aton
 692     lrintf
 693     machine_ioctl_bt848_h
 694     machine_ioctl_meteor_h
 695     malloc_h
 696     memalign
 697     mkstemp
 698     mlib
 699     ppc64
 700     sdl
 701     sdl_video_size
 702     soundcard_h
 703     sys_poll_h
 704     sys_soundcard_h
 705     termios_h
 706     threads
 707     winsock2_h
 708 "
 709
 710 CMDLINE_SELECT="
 711     $ARCH_EXT_LIST
 712     $CONFIG_LIST
 713     $THREADS_LIST
 714     debug
 715     extra_warnings
 716     shared
 717     static
 718 "
 719
 720 # code dependency declarations
 721
 722 # architecture extensions
 723 altivec_deps="powerpc"
 724 armv5te_deps="armv4l"
 725 armv6_deps="armv4l"
 726 iwmmxt_deps="armv4l"
 727 mmi_deps="mips"
 728 mmx_deps="x86"
 729 ssse3_deps="x86"
 730
 731 # decoders / encoders
 732 ac3_decoder_deps="gpl"
 733 dxa_decoder_deps="zlib"
 734 flashsv_decoder_deps="zlib"
 735 flashsv_encoder_deps="zlib"
 736 flv_decoder_deps="h263_decoder"
 737 h263_decoder_deps="h263_parser mpeg4video_parser"
 738 h263i_decoder_deps="h263_decoder"
 739 h264_decoder_deps="h264_parser"
 740 mpeg_xvmc_decoder_deps="xvmc"
 741 mpeg4_decoder_deps="h263_decoder"
 742 msmpeg4v1_decoder_deps="h263_decoder"
 743 msmpeg4v2_decoder_deps="h263_decoder"
 744 msmpeg4v3_decoder_deps="h263_decoder"
 745 png_decoder_deps="zlib"
 746 png_encoder_deps="zlib"
 747 svq3_decoder_deps="h264_parser"
 748 vc1_decoder_deps="h263_decoder"
 749 wmv1_decoder_deps="h263_decoder"
 750 wmv2_decoder_deps="h263_decoder"
 751 wmv3_decoder_deps="h263_decoder"
 752 zmbv_decoder_deps="zlib"
 753 zmbv_encoder_deps="zlib"
 754
 755 # external libraries
 756 mpeg4aac_decoder_deps="libfaad"
 757 liba52_decoder_deps="liba52"
 758 libamr_nb_decoder_deps="libamr_nb"
 759 libamr_nb_encoder_deps="libamr_nb"
 760 libamr_wb_decoder_deps="libamr_wb"
 761 libamr_wb_encoder_deps="libamr_wb"
 762 libfaac_encoder_deps="libfaac"
 763 libfaad_decoder_deps="libfaad"
 764 libgsm_decoder_deps="libgsm"
 765 libgsm_encoder_deps="libgsm"
 766 libgsm_ms_decoder_deps="libgsm"
 767 libgsm_ms_encoder_deps="libgsm"
 768 libmp3lame_encoder_deps="libmp3lame"
 769 libtheora_encoder_deps="libtheora"
 770 libvorbis_decoder_deps="libvorbis"
 771 libvorbis_encoder_deps="libvorbis"
 772 libx264_encoder_deps="libx264"
 773 libxvid_encoder_deps="libxvid"
 774
 775 # demuxers / muxers
 776 ac3_demuxer_deps="ac3_parser"
 777 audio_beos_demuxer_deps="audio_beos"
 778 audio_beos_muxer_deps="audio_beos"
 779 bktr_demuxer_deps="bktr"
 780 dv1394_demuxer_deps="dv1394"
 781 libdc1394_demuxer_deps="libdc1394"
 782 libnut_demuxer_deps="libnut"
 783 libnut_muxer_deps="libnut"
 784 mp3_demuxer_deps="mpegaudio_parser"
 785 ogg_muxer_deps="libogg"
 786 oss_demuxer_deps="audio_oss"
 787 oss_muxer_deps="audio_oss"
 788 redir_demuxer_deps="network"
 789 rtp_muxer_deps="network mpegts_demuxer"
 790 rtsp_demuxer_deps="rtp_protocol rtp_muxer"
 791 sdp_demuxer_deps="rtsp_demuxer"
 792 v4l2_demuxer_deps="linux_videodev2_h"
 793 v4l_demuxer_deps="linux_videodev_h"
 794 x11_grab_device_demuxer_deps="x11grab"
 795
 796 # protocols
 797 http_protocol_deps="network"
 798 rtp_protocol_deps="udp_protocol"
 799 tcp_protocol_deps="network"
 800 udp_protocol_deps="network"
 801
 802 # programs
 803 ffplay_deps="sdl"
 804 ffserver_deps="muxers rtp_protocol"
 805
 806
 807 # set temporary file name
 808 if test ! -z "$TMPDIR" ; then
 809     TMPDIR1="${TMPDIR}"
 810 elif test ! -z "$TEMPDIR" ; then
 811     TMPDIR1="${TEMPDIR}"
 812 else
 813     TMPDIR1="/tmp"
 814 fi
 815
 816 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
 817 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
 818 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
 819 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
 820 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
 821
 822 # default parameters
 823
 824 logging="yes"
 825 logfile="config.err"
 826
 827 # installation paths
 828 PREFIX="/usr/local"
 829 libdir='$(PREFIX)/lib'
 830 shlibdir="$libdir"
 831 incdir='$(PREFIX)/include/ffmpeg'
 832 mandir='$(PREFIX)/man'
 833 bindir='$(PREFIX)/bin'
 834
 835 # toolchain
 836 cc="gcc"
 837 ar="ar"
 838 ranlib="ranlib"
 839 make="make"
 840 strip="strip"
 841 asmalign_pot="unknown"
 842
 843 # machine
 844 arch=`uname -m`
 845 cpu="generic"
 846
 847 # OS
 848 targetos=$(tolower $(uname -s))
 849
 850 # non-library system interfaces
 851 audio_oss="yes"
 852 bktr="yes"
 853
 854 # libraries
 855 zlib="yes"
 856
 857 # configurable options
 858 debug="yes"
 859 dostrip="yes"
 860 ffmpeg="yes"
 861 ffplay="yes"
 862 ffserver="yes"
 863 ipv6="yes"
 864 static="yes"
 865 mpegaudio_hp="yes"
 866 network="yes"
 867 optimize="yes"
 868 protocols="yes"
 869 vhook="default"
 870
 871 # build settings
 872 SHFLAGS='-shared -Wl,-soname,$@'
 873 VHOOKSHFLAGS='$(SHFLAGS)'
 874 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
 875 FFSERVERLDFLAGS=-Wl,-E
 876 LDCONFIG="ldconfig"
 877 LIBPREF="lib"
 878 LIBSUF=".a"
 879 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
 880 SLIBPREF="lib"
 881 SLIBSUF=".so"
 882 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
 883 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
 884 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
 885 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIB)"'
 886
 887 # find source path
 888 source_path="`dirname \"$0\"`"
 889 source_path_used="yes"
 890 if test -z "$source_path" -o "$source_path" = "." ; then
 891     source_path="`pwd`"
 892     source_path_used="no"
 893 else
 894     source_path="`cd \"$source_path\"; pwd`"
 895     echo "$source_path" | grep -q '[[:blank:]]' &&
 896       die "Out of tree builds are impossible with whitespace in source path."
 897 fi
 898
 899 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
 900     show_help
 901 fi
 902
 903 FFMPEG_CONFIGURATION="$@"
 904
 905 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*(.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
 906 DECODER_LIST=`sed -n 's/^[^#]*DEC.*(.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
 907 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*(.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
 908 BSF_LIST=`sed -n 's/^[^#]*BSF.*(.*, *\(.*\)).*/\1_bsf/p' "$source_path/libavcodec/allcodecs.c"`
 909 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*(.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
 910 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*(.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
 911 PROTOCOL_LIST=`sed -n 's/^[^#]*PROTOCOL.*(.*, *\(.*\)).*/\1_protocol/p' "$source_path/libavformat/allformats.c"`
 912
 913 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST $PROTOCOL_LIST $BSF_LIST
 914 enable $ARCH_EXT_LIST
 915
 916 die_unknown(){
 917     echo "Unknown option \"$1\"."
 918     echo "See $0 --help for available options."
 919     exit 1
 920 }
 921
 922 show_list() {
 923     for part in $*; do
 924         echo $part | sed 's/_[^_]*$//'
 925     done | sort
 926     exit 0
 927 }
 928
 929 for opt do
 930   optval="${opt#*=}"
 931   case "$opt" in
 932   --log)
 933   ;;
 934   --log=*) logging="$optval"
 935   ;;
 936   --prefix=*) PREFIX="$optval"
 937   ;;
 938   --libdir=*) libdir="$optval"
 939   ;;
 940   --shlibdir=*) shlibdir="$optval"
 941   ;;
 942   --incdir=*) incdir="$optval"
 943   ;;
 944   --mandir=*) mandir="$optval"
 945   ;;
 946   --source-path=*) source_path="$optval"
 947   ;;
 948   --cross-prefix=*) cross_prefix="$optval"
 949   ;;
 950   --cross-compile) cross_compile="yes"
 951   ;;
 952   --target-os=*) targetos="$optval"
 953   ;;
 954   --cc=*) cc="$optval"
 955   ;;
 956   --make=*) make="$optval"
 957   ;;
 958   --extra-cflags=*) add_cflags "$optval"
 959   ;;
 960   --extra-ldflags=*) add_ldflags "$optval"
 961   ;;
 962   --extra-libs=*) add_extralibs "$optval"
 963   ;;
 964   --build-suffix=*) BUILDSUF="$optval"
 965   ;;
 966   --arch=*) arch="$optval"
 967   ;;
 968   --cpu=*) cpu="$optval"
 969   ;;
 970   --disable-opts) optimize="no"
 971   ;;
 972   --enable-sunmlib) mlib="yes"
 973   ;;
 974   --disable-strip) dostrip="no"
 975   ;;
 976   --disable-encoders) disable $ENCODER_LIST
 977   ;;
 978   --disable-decoders) disable $DECODER_LIST
 979   ;;
 980   --disable-muxers) disable $MUXER_LIST
 981   ;;
 982   --disable-demuxers) disable $DEMUXER_LIST
 983   ;;
 984   --disable-parsers) disable $PARSER_LIST
 985   ;;
 986   --disable-bsfs) disable $BSF_LIST
 987   ;;
 988   --disable-protocols) disable $PROTOCOL_LIST
 989   ;;
 990   --enable-*=*|--disable-*=*)
 991   eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
 992   case "$thing" in
 993       encoder|decoder|muxer|demuxer|parser|bsf|protocol) $action ${optval}_${thing} ;;
 994       *) die_unknown "$opt" ;;
 995   esac
 996   ;;
 997   --enable-?*|--disable-?*)
 998   eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
 999   echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
1000   $action $option
1001   ;;
1002   --list-*)
1003     NAME="${opt#--list-}"
1004     is_in $NAME $COMPONENT_LIST || die_unknown $opt
1005     NAME=$(toupper ${NAME%s})
1006     eval show_list \$${NAME}_LIST
1007   ;;
1008   --help) show_help
1009   ;;
1010   *)
1011   die_unknown $opt
1012   ;;
1013   esac
1014 done
1015
1016 case "$arch" in
1017   i386|i486|i586|i686|i86pc|BePC)
1018     arch="x86_32"
1019     enable fast_unaligned
1020   ;;
1021   x86_64|amd64)
1022     arch="x86_32"
1023     enable fast_unaligned
1024     canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
1025     if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
1026       if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
1027         arch="x86_64"
1028         enable fast_64bit
1029       fi
1030     fi
1031   ;;
1032   # armv4l is a subset of armv[567]*l
1033   arm|armv[4567]*l)
1034     arch="armv4l"
1035   ;;
1036   alpha)
1037     arch="alpha"
1038     enable fast_64bit
1039   ;;
1040   "Power Macintosh"|ppc|powerpc)
1041     arch="powerpc"
1042   ;;
1043   ppc64)
1044     arch="powerpc"
1045     enable fast_64bit
1046   ;;
1047   mips|mipsel|IP*)
1048     arch="mips"
1049   ;;
1050   sun4u|sparc64)
1051     arch="sparc64"
1052     enable fast_64bit
1053   ;;
1054   sparc)
1055     arch="sparc"
1056   ;;
1057   sh4)
1058     arch="sh4"
1059   ;;
1060   parisc)
1061     arch="parisc"
1062   ;;
1063   parisc64)
1064     arch="parisc"
1065     enable fast_64bit
1066   ;;
1067   s390|s390x)
1068     arch="s390"
1069   ;;
1070   m68k)
1071     arch="m68k"
1072   ;;
1073   ia64)
1074     arch="ia64"
1075     enable fast_64bit
1076   ;;
1077   bfin)
1078     arch="bfin"
1079   ;;
1080   *)
1081     arch="unknown"
1082   ;;
1083 esac
1084
1085 enable $arch
1086 enabled_any x86_32 x86_64 && enable x86
1087 enabled     sparc64       && enable sparc
1088
1089 # OS specific
1090 osextralibs="-lm"
1091 case $targetos in
1092   beos|haiku|zeta)
1093     PREFIX="$HOME/config"
1094     # helps building libavcodec
1095     add_cflags "-DPIC -fomit-frame-pointer"
1096     # 3 gcc releases known for BeOS, each with ugly bugs
1097     gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1098     case "$gcc_version" in
1099       2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1100         mmx="no"
1101         ;;
1102       *20010315*) echo "BeBits gcc"
1103         add_cflags "-fno-expensive-optimizations"
1104         ;;
1105     esac
1106     LDCONFIG="echo ignoring ldconfig"
1107     SHFLAGS=-nostart
1108     # enable BeOS things
1109     disabled audio_beos || enable_audio_beos
1110     # no need for libm, but the inet stuff
1111     # Check for BONE
1112     # XXX: actually should check for NOT net_server
1113     if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1114         osextralibs="-lbind -lsocket"
1115     else
1116         beos_netserver="yes"
1117         osextralibs="-lnet"
1118     fi ;;
1119   sunos)
1120     FFSERVERLDFLAGS=""
1121     SHFLAGS="-shared -Wl,-h,\$@"
1122     add_extralibs "-lsocket -lnsl"
1123     ;;
1124   netbsd)
1125     add_extralibs "-lossaudio"
1126     ;;
1127   openbsd)
1128     need_memalign="no"
1129     LIBOBJFLAGS="\$(PIC)"
1130     LDCONFIG="ldconfig -m \$(SHLIBDIR)"
1131     SHFLAGS='-shared'
1132     SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1133     SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1134     SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1135     add_extralibs "-lossaudio"
1136     ;;
1137   freebsd)
1138     need_memalign="no"
1139     add_cflags "-pthread"
1140     ;;
1141   gnu/kfreebsd)
1142     add_cflags "-pthread"
1143     ;;
1144   bsd/os)
1145     osextralibs="-lpoll -lgnugetopt -lm"
1146     strip="strip -d"
1147     ;;
1148   darwin)
1149     need_memalign="no"
1150     SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(SHLIBDIR)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1151     VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$@'
1152     osextralibs=""
1153     strip="strip -x"
1154     FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1155     SLIBSUF=".dylib"
1156     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1157     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1158     FFSERVERLDFLAGS=-Wl,-bind_at_load
1159     ;;
1160   mingw32*)
1161     targetos=mingw32
1162     shlibdir="$bindir"
1163     VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1164     VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1165     if enabled swscaler; then
1166         VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1167         VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1168     fi
1169     ffserver="no"
1170     SLIBPREF=""
1171     SLIBSUF=".dll"
1172     EXESUF=".exe"
1173     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1174     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1175     SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1176     SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(SHLIBDIR)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1177     SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base"
1178     ;;
1179   cygwin*)
1180     targetos=cygwin
1181     shlibdir="$bindir"
1182     VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1183     VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1184     if enabled swscaler; then
1185         VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1186         VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1187     fi
1188     osextralibs=""
1189     EXESUF=".exe"
1190     SLIBPREF="cyg"
1191     SLIBSUF=".dll"
1192     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1193     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1194     SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a -Wl,--enable-auto-image-base'
1195     ;;
1196   linux)
1197     LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1198     dv1394="yes"
1199     ;;
1200   irix*)
1201     targetos=irix
1202     ranlib="echo ignoring ranlib"
1203     ;;
1204   *)
1205     targetos="${targetos}-UNKNOWN"
1206     ;;
1207 esac
1208
1209 add_extralibs $osextralibs
1210
1211 if ! disabled logging ; then
1212     enabled logging || logfile="$logging"
1213     echo "# $0 $@" >$logfile
1214     set >>$logfile
1215 else
1216     logfile=/dev/null
1217 fi
1218
1219 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1220 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1221
1222 test -n "$cross_prefix" && cross_compile=yes
1223 cc="${cross_prefix}${cc}"
1224 ar="${cross_prefix}${ar}"
1225 ranlib="${cross_prefix}${ranlib}"
1226 strip="${cross_prefix}${strip}"
1227
1228 # we need to build at least one lib type
1229 if ! enabled_any static shared; then
1230     cat <<EOF
1231 At least one library type must be built.
1232 Specify --enable-static to build the static libraries or --enable-shared to
1233 build the shared libraries as well. To only build the shared libraries specify
1234 --disable-static in addition to --enable-shared.
1235 EOF
1236     exit 1;
1237 fi
1238
1239 if disabled static; then
1240     LIB=""
1241 fi
1242
1243 if ! enabled libogg; then
1244     enabled libtheora && die "libogg must be enabled to enable libtheora."
1245     enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1246 fi
1247
1248 if enabled_any libfaad libfaadbin ; then
1249     if check_header faad.h; then
1250         check_cc << EOF
1251 #include <faad.h>
1252 #ifndef FAAD2_VERSION
1253 ok faad1
1254 #endif
1255 int main( void ) { return 0; }
1256 EOF
1257         test $? = 0 && enable libfaad2
1258     else
1259         die "FAAD test failed."
1260     fi
1261 fi
1262
1263
1264 if ! enabled gpl; then
1265     die_gpl_disabled(){
1266         name=$1
1267         shift
1268         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1269     }
1270     die_gpl_disabled "The Postprocessing code" pp
1271     die_gpl_disabled "liba52"                  liba52
1272     die_gpl_disabled "libx264"                 libx264
1273     die_gpl_disabled "libxvidcore"             libxvid
1274     die_gpl_disabled "FAAD2"                   libfaad2
1275     die_gpl_disabled "The X11 grabber"         x11grab
1276     die_gpl_disabled "The software scaler"     swscaler
1277 fi
1278
1279 check_deps $ARCH_EXT_LIST
1280
1281 test -z "$need_memalign" && need_memalign="$mmx"
1282
1283 #Darwin CC versions
1284 if test $targetos = darwin; then
1285     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1286         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1287     else
1288         add_cflags "-no-cpp-precomp -pipe"
1289         check_cflags "-force_cpusubtype_ALL"
1290         check_cflags "-Wno-sign-compare"
1291         disabled shared && add_cflags -mdynamic-no-pic
1292     fi
1293 fi
1294
1295 disabled optimize || add_cflags -fomit-frame-pointer
1296
1297 # Add processor-specific flags
1298 if test $cpu != "generic"; then
1299     warn_altivec(){
1300         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1301     }
1302     case $cpu in
1303         601|ppc601|PowerPC601)
1304             add_cflags "-mcpu=601"
1305             warn_altivec enabled PPC601
1306         ;;
1307         603*|ppc603*|PowerPC603*)
1308             add_cflags "-mcpu=603"
1309             warn_altivec enabled PPC603
1310         ;;
1311         604*|ppc604*|PowerPC604*)
1312             add_cflags "-mcpu=604"
1313             warn_altivec enabled PPC604
1314         ;;
1315         G3|g3|75*|ppc75*|PowerPC75*)
1316             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1317             warn_altivec enabled PPC75x
1318         ;;
1319         G4|g4|745*|ppc745*|PowerPC745*)
1320             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1321             warn_altivec disabled PPC745x
1322         ;;
1323         74*|ppc74*|PowerPC74*)
1324             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1325             warn_altivec disabled PPC74xx
1326         ;;
1327         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1328             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1329             warn_altivec disabled PPC970
1330             enable ppc64
1331         ;;
1332         Cell|CELL|cell)
1333             add_cflags "-mcpu=cell"
1334             warn_altivec disabled Cell
1335             enable ppc64
1336         ;;
1337         # targets that do NOT support conditional mov (cmov)
1338         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1339             add_cflags "-march=$cpu"
1340             cmov="no"
1341         ;;
1342         # targets that do support conditional mov (cmov)
1343         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1344             add_cflags "-march=$cpu"
1345             cmov="yes"
1346             fast_cmov="yes"
1347         ;;
1348         # targets that do support conditional mov but on which it's slow
1349         pentium4|prescott|nocona)
1350             add_cflags "-march=$cpu"
1351             cmov="yes"
1352             fast_cmov="no"
1353         ;;
1354         sparc64)
1355             add_cflags "-mcpu=v9"
1356         ;;
1357         bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1358             add_cflags "-mfdpic"
1359             add_ldflags "-mfdpic"
1360         ;;
1361         *)
1362         echo "WARNING: Unknown CPU \"$cpu\", ignored."
1363         ;;
1364     esac
1365 fi
1366
1367 gnu_make(){
1368     $1 --version 2>&1 | grep -q GNU
1369 }
1370
1371 if ! gnu_make $make; then
1372     gnu_make gmake && make=gmake || die "GNU make not found."
1373 fi
1374
1375 # make sure we can execute files in $TMPDIR
1376 cat >$TMPE 2>>$logfile <<EOF
1377 #! /bin/sh
1378 EOF
1379 chmod +x $TMPE >>$logfile 2>&1
1380 if ! $TMPE >>$logfile 2>&1; then
1381     cat <<EOF
1382 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1383 variable to another directory and make sure that $TMPDIR1 is not mounted
1384 noexec.
1385 EOF
1386     die "Sanity test failed."
1387 fi
1388 rm $TMPE
1389
1390 # compiler sanity check
1391 check_exec <<EOF
1392 int main(){
1393     return 0;
1394 }
1395 EOF
1396 if test "$?" != 0; then
1397     echo "$cc is unable to create an executable file."
1398     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1399         echo "If $cc is a cross-compiler, use the --cross-compile option."
1400         echo "Only do this if you know what cross compiling means."
1401     fi
1402     die "C compiler test failed."
1403 fi
1404
1405 if enabled x86; then
1406     # check whether EBP is available on x86
1407     # As 'i' is stored on the stack, this program will crash
1408     # if the base pointer is used to access it because the
1409     # base pointer is cleared in the inline assembly code.
1410     check_exec_crash <<EOF && enable ebp_available
1411     volatile int i=0;
1412     asm volatile (
1413         "xorl %%ebp, %%ebp"
1414     ::: "%ebp");
1415     return i;
1416 EOF
1417
1418     # check wether EBX is available on x86
1419     check_cc <<EOF && enable ebx_available
1420 int main(){
1421     asm volatile ("":::"%ebx");
1422 }
1423 EOF
1424
1425     # check whether binutils is new enough to compile SSSE3
1426     enabled ssse3 && check_cc <<EOF || disable ssse3
1427 int main(){
1428     asm volatile ("pabsw %xmm0, %xmm0");
1429 }
1430 EOF
1431 fi
1432
1433 # check for assembler specific support
1434
1435 if test $arch = "powerpc"; then
1436 check_cc <<EOF && dcbzl=yes
1437 int main(void) {
1438     register long zero = 0;
1439     char data[1024];
1440     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1441 return 0;
1442 }
1443 EOF
1444 fi
1445
1446 # check for SIMD availability
1447
1448 # AltiVec flags: The FSF version of GCC differs from the Apple version
1449 if enabled altivec; then
1450     if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1451         add_cflags "-faltivec"
1452     else
1453         add_cflags "-maltivec -mabi=altivec"
1454     fi
1455
1456     check_header altivec.h
1457
1458     # check if our compiler supports Motorola AltiVec C API
1459     if enabled altivec_h; then
1460         inc_altivec_h="#include <altivec.h>"
1461     else
1462         inc_altivec_h=
1463     fi
1464     check_cc <<EOF || altivec=no
1465 $inc_altivec_h
1466 int main(void) {
1467     vector signed int v1, v2, v3;
1468     v1 = vec_add(v2,v3);
1469     return 0;
1470 }
1471 EOF
1472 fi
1473
1474 # check armv5te instructions support
1475 enabled armv5te && check_cc <<EOF || disable armv5te
1476 int main(void) {
1477     __asm__ __volatile__ ("qadd r0, r0, r0");
1478 }
1479 EOF
1480
1481 enabled armv6 && check_cc <<EOF || disable armv6
1482 int main(void) {
1483     __asm__ __volatile__ ("sadd16 r0, r0, r0");
1484 }
1485 EOF
1486
1487 # check iwmmxt support
1488 enabled iwmmxt && check_cc <<EOF || disable iwmmxt
1489 int main(void) {
1490     __asm__ __volatile__ ("wunpckelub wr6, wr4");
1491 }
1492 EOF
1493
1494 # check if our compiler supports mmi
1495 enabled mmi && check_cc <<EOF || mmi="no"
1496 int main(void) {
1497     __asm__ ("lq \$2, 0(\$2)");
1498     return 0;
1499 }
1500 EOF
1501
1502 # ---
1503 # big/little-endian test
1504 check_cc <<EOF || die "endian test failed"
1505 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1506 EOF
1507 grep -q BIGE $TMPO && enable bigendian
1508
1509 # ---
1510 # check availability of some header files
1511
1512 check_header malloc.h
1513 check_func memalign
1514
1515 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1516     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1517 fi
1518
1519 check_header byteswap.h
1520
1521 check_func mkstemp
1522 check_func gethrtime
1523
1524 check_header termios.h
1525 check_header conio.h
1526
1527 check_func inet_aton
1528 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1529
1530 # ffserver uses poll(),
1531 # if it's not found we can emulate it using select().
1532 if enabled ffserver; then
1533     check_header sys/poll.h
1534 fi
1535
1536 # check for some common methods of building with pthread support
1537 # do this before the optional library checks as some of them require pthreads
1538 if enabled pthreads; then
1539     if check_func pthread_create; then
1540         :
1541     elif check_func pthread_create -pthread; then
1542         add_cflags -pthread
1543         add_ldflags -pthread
1544     elif check_func pthread_create -pthreads; then
1545         add_cflags -pthreads
1546         add_ldflags -pthreads
1547     elif ! check_lib pthread.h pthread_create -lpthread; then
1548         die "ERROR: can't find pthreads library"
1549     fi
1550 fi
1551
1552 for thread in $THREADS_LIST; do
1553     if enabled $thread; then
1554         if test -n "$thread_type"; then
1555             die "ERROR: Only one thread type must be selected."
1556         else
1557             thread_type="$thread"
1558         fi
1559     fi
1560 done
1561
1562 # test for lrintf in math.h
1563 check_exec <<EOF && lrintf=yes || lrintf=no
1564 #define _ISOC9X_SOURCE  1
1565 #include <math.h>
1566 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1567 EOF
1568
1569 enabled_any libamr_nb libamr_wb && enable libamr
1570
1571 # these are off by default, so fail if requested and not available
1572 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1573 enabled liba52     && require liba52 a52dec/a52.h a52_init -la52
1574 enabled libamr_nb  && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1575 enabled libamr_wb  && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1576 enabled libdc1394  && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1577 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1578 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1579 enabled libgsm     && require libgsm gsm.h gsm_create -lgsm
1580 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1581 enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
1582 enabled libogg     && require libogg ogg/ogg.h ogg_sync_init -logg
1583 enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
1584 enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1585 enabled libx264    && require x264 x264.h x264_encoder_open -lx264
1586 enabled libxvid    && require Xvid xvid.h xvid_global -lxvidcore
1587 enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1588
1589 # disable the native AC-3 decoder if liba52 is enabled
1590 enabled liba52 && disable ac3_decoder
1591
1592 _restrict=
1593 for restrict_keyword in restrict __restrict__ __restrict; do
1594     check_cc <<EOF && _restrict=$restrict_keyword && break
1595 void foo(char * $restrict_keyword p);
1596 EOF
1597 done
1598
1599 # dlopen/dlfcn.h probing
1600
1601 check_header dlfcn.h
1602
1603 if check_func dlopen; then
1604     ldl=
1605 elif check_func dlopen -ldl; then
1606     ldl=-ldl
1607 fi
1608
1609 check_func getrusage
1610 check_func2 windows.h GetProcessTimes
1611
1612 check_func fork
1613
1614 test "$vhook" = "default" && vhook="$dlopen"
1615
1616 enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1617
1618 if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
1619     vhook="no"
1620     echo
1621     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1622     echo "Patches welcome."
1623     echo
1624 fi
1625
1626 if enabled vhook; then
1627     check_ldflags -rdynamic
1628     check_ldflags -export-dynamic
1629 fi
1630
1631 enabled audio_beos && add_extralibs "-lmedia -lbe"
1632
1633 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1634 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1635
1636 ##########################################
1637 # SDL check
1638
1639 sdl_too_old=no
1640 sdl=no
1641 SDL_CONFIG="${cross_prefix}sdl-config"
1642 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1643     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1644     temp_cflags $sdl_cflags
1645     temp_extralibs `"${SDL_CONFIG}" --libs`
1646     if check_lib SDL.h SDL_Init; then
1647         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1648         if test "$_sdlversion" -lt 121 ; then
1649             sdl_too_old=yes
1650         else
1651             sdl=yes
1652             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1653 #include <SDL.h>
1654 int main(void){
1655     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1656     int w = vi->current_w;
1657     return 0;
1658 }
1659 EOF
1660         fi
1661     fi
1662     restore_flags
1663 fi
1664
1665 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1666
1667 ##########################################
1668 # Network check
1669
1670 if enabled network; then
1671     # Prefer arpa/inet.h over winsock2
1672     if check_header arpa/inet.h ; then
1673         check_func closesocket
1674     elif check_header winsock2.h ; then
1675         add_extralibs -lws2_32
1676         check_func2 winsock2.h closesocket
1677     fi
1678 fi
1679
1680 ##########################################
1681 # IPv6 check
1682
1683 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1684 #include <sys/types.h>
1685 #include <sys/socket.h>
1686 #include <netinet/in.h>
1687 #include <netdb.h>
1688 int main( void ) {
1689   struct sockaddr_storage saddr;
1690   struct ipv6_mreq mreq6;
1691   getaddrinfo(0,0,0,0);
1692   getnameinfo(0,0,0,0,0,0,0);
1693   IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1694 }
1695 EOF
1696
1697 check_header linux/videodev.h
1698 check_header linux/videodev2.h
1699
1700 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1701 if enabled bktr; then
1702     { check_header dev/bktr/ioctl_meteor.h &&
1703       check_header dev/bktr/ioctl_bt848.h; } ||
1704     { check_header machine/ioctl_meteor.h &&
1705       check_header machine/ioctl_bt848.h; } ||
1706     { check_header dev/video/meteor/ioctl_meteor.h &&
1707       check_header dev/video/bktr/ioctl_bt848.h; } ||
1708     check_header dev/ic/bt8xx.h ||
1709     disable bktr
1710 fi
1711
1712 enabled audio_oss &&
1713     check_header sys/soundcard.h ||
1714     check_header soundcard.h ||
1715     disable audio_oss
1716
1717 # Deal with the x11 frame grabber
1718 enabled x11grab                         &&
1719 enabled gpl                             &&
1720 enabled x11_grab_device_demuxer         &&
1721 check_header X11/Xlib.h                 &&
1722 check_header X11/extensions/XShm.h      &&
1723 check_func XOpenDisplay -lX11           &&
1724 check_func XShmCreateImage -lX11 -lXext &&
1725 add_extralibs -lX11 -lXext              ||
1726 disable x11_grab_device_demuxer
1727
1728 enabled debug && add_cflags -g
1729
1730 # add some useful compiler flags if supported
1731 check_cflags -Wdeclaration-after-statement
1732 check_cflags -Wall
1733 check_cflags -Wno-switch
1734 check_cflags -Wdisabled-optimization
1735 check_cflags -Wpointer-arith
1736 check_cflags -Wredundant-decls
1737 check_cflags -Wno-pointer-sign
1738 enabled extra_warnings && check_cflags -Winline
1739
1740 # add some linker flags
1741 check_ldflags -Wl,--warn-common
1742 check_ldflags $LDLATEFLAGS
1743
1744 if enabled small; then
1745     check_cflags -Os            # not all compilers support -Os
1746     optimize="small"
1747 elif enabled optimize; then
1748     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1749         add_cflags  "-O5"
1750         add_ldflags "-O5"
1751     else
1752         add_cflags "-O3"
1753     fi
1754 fi
1755
1756 # PIC flags for shared library objects where they are needed
1757 if enabled shared; then
1758     # LIBOBJFLAGS may have already been set in the OS configuration
1759     if test -z "$LIBOBJFLAGS" ; then
1760         case "$arch" in
1761             x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1762         esac
1763     fi
1764 fi
1765
1766 if enabled gprof; then
1767     add_cflags  "-p"
1768     add_ldflags "-p"
1769 fi
1770
1771 VHOOKCFLAGS="-fPIC"
1772
1773 # find if .align arg is power-of-two or not
1774 if test $asmalign_pot = "unknown"; then
1775     asmalign_pot="no"
1776     echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1777 fi
1778
1779 enabled_any $ENCODER_LIST  && enable encoders
1780 enabled_any $DECODER_LIST  && enable decoders
1781 enabled_any $MUXER_LIST    && enable muxers
1782 enabled_any $DEMUXER_LIST  && enable demuxers
1783 enabled_any $PROTOCOL_LIST && enable protocols
1784 enabled_any $BSF_LIST      && enable bsfs
1785
1786 enabled_any $THREADS_LIST  && enable threads
1787
1788 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1789     $BSF_LIST $DEMUXER_LIST $MUXER_LIST $PROTOCOL_LIST
1790
1791 enabled libdc1394 && append pkg_requires "libraw1394"
1792 enabled libogg    && append pkg_requires "ogg >= 1.1"
1793 enabled libtheora && append pkg_requires "theora"
1794 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1795
1796 echo "install prefix            $PREFIX"
1797 echo "source path               $source_path"
1798 echo "C compiler                $cc"
1799 echo "make                      $make"
1800 echo ".align is power-of-two    $asmalign_pot"
1801 echo "ARCH                      $arch ($cpu)"
1802 if test "$BUILDSUF" != ""; then
1803     echo "build suffix              $BUILDSUF"
1804 fi
1805 echo "big-endian                ${bigendian-no}"
1806 if test $arch = "x86_32" -o $arch = "x86_64"; then
1807     echo "MMX enabled               ${mmx-no}"
1808     echo "CMOV enabled              ${cmov-no}"
1809     echo "CMOV is fast              ${fast_cmov-no}"
1810     echo "EBX available             ${ebx_available-no}"
1811     echo "EBP available             ${ebp_available-no}"
1812 fi
1813 if test $arch = "armv4l"; then
1814     echo "ARMv5TE enabled           ${armv5te-no}"
1815     echo "ARMv6 enabled             ${armv6-no}"
1816     echo "IWMMXT enabled            ${iwmmxt-no}"
1817 fi
1818 if test $arch = "mips"; then
1819     echo "MMI enabled               ${mmi-no}"
1820 fi
1821 if test $arch = "powerpc"; then
1822     echo "AltiVec enabled           ${altivec-no}"
1823     echo "dcbzl available           ${dcbzl-no}"
1824 fi
1825 echo "gprof enabled             ${gprof-no}"
1826 echo "debug symbols             ${debug-no}"
1827 echo "strip symbols             ${dostrip-no}"
1828 echo "optimize                  ${optimize-no}"
1829 echo "static                    ${static-no}"
1830 echo "shared                    ${shared-no}"
1831 echo "postprocessing support    ${pp-no}"
1832 echo "software scaler enabled   ${swscaler-no}"
1833 echo "video hooking             ${vhook-no}"
1834 if enabled vhook; then
1835     echo "Imlib2 support            ${imlib2-no}"
1836     echo "FreeType support          ${freetype2-no}"
1837 fi
1838 echo "network support           ${network-no}"
1839 if enabled network; then
1840     echo "IPv6 support              ${ipv6-no}"
1841 fi
1842 echo "threading support         ${thread_type-no}"
1843 echo "SDL support               ${sdl-no}"
1844 if enabled sdl_too_old; then
1845     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1846 fi
1847 echo "Sun medialib support      ${mlib-no}"
1848 echo "AVISynth enabled          ${avisynth-no}"
1849 echo "liba52 support            ${liba52-no}"
1850 echo "liba52 dlopened           ${liba52bin-no}"
1851 echo "libamr-nb support         ${libamr_nb-no}"
1852 echo "libamr-wb support         ${libamr_wb-no}"
1853 echo "libdc1394 support         ${libdc1394-no}"
1854 echo "libfaac enabled           ${libfaac-no}"
1855 echo "libfaad enabled           ${libfaad-no}"
1856 echo "libfaad dlopened          ${libfaadbin-no}"
1857 echo "libgsm enabled            ${libgsm-no}"
1858 echo "libmp3lame enabled        ${libmp3lame-no}"
1859 echo "libnut enabled            ${libnut-no}"
1860 echo "libogg enabled            ${libogg-no}"
1861 echo "libtheora enabled         ${libtheora-no}"
1862 echo "libvorbis enabled         ${libvorbis-no}"
1863 echo "x264 enabled              ${libx264-no}"
1864 echo "XviD enabled              ${libxvid-no}"
1865 echo "zlib enabled              ${zlib-no}"
1866 if ! enabled gpl; then
1867     echo "License: LGPL"
1868 else
1869     echo "License: GPL"
1870 fi
1871
1872 echo "Creating config.mak and config.h..."
1873
1874 echo "# Automatically generated by configure - do not modify!" > config.mak
1875 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1876 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1877
1878 echo "PREFIX=$PREFIX" >> config.mak
1879 echo "prefix=\$(DESTDIR)\$(PREFIX)" >> config.mak
1880 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
1881 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
1882 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
1883 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
1884 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
1885 echo "MAKE=$make" >> config.mak
1886 echo "CC=$cc" >> config.mak
1887 echo "AR=$ar" >> config.mak
1888 echo "RANLIB=$ranlib" >> config.mak
1889 if enabled dostrip; then
1890     echo "STRIP=$strip" >> config.mak
1891 else
1892     echo "STRIP=echo ignoring strip" >> config.mak
1893 fi
1894
1895 echo "OPTFLAGS=$CFLAGS" >> config.mak
1896 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1897 echo "LDFLAGS=$LDFLAGS" >> config.mak
1898 echo "LDCONFIG=$LDCONFIG" >> config.mak
1899 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1900 echo "SHFLAGS=$SHFLAGS" >> config.mak
1901 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1902 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1903 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1904 echo "BUILD_STATIC=$static" >> config.mak
1905 echo "BUILDSUF=$BUILDSUF" >> config.mak
1906 echo "LIBPREF=$LIBPREF" >> config.mak
1907 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1908 echo "LIB=$LIB" >> config.mak
1909 echo "SLIBPREF=$SLIBPREF" >> config.mak
1910 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1911 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1912
1913 if enabled bigendian; then
1914   echo "WORDS_BIGENDIAN=yes" >> config.mak
1915   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1916 fi
1917 if enabled mmx; then
1918   echo "#define __CPU__ 586" >> $TMPH
1919 fi
1920
1921 if enabled sdl; then
1922   echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1923   echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1924 fi
1925 if enabled texi2html; then
1926   echo "BUILD_DOC=yes" >> config.mak
1927 fi
1928
1929 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1930 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1931 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1932 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1933 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1934
1935
1936
1937 if enabled shared; then
1938   echo "BUILD_SHARED=yes" >> config.mak
1939   echo "PIC=-fPIC -DPIC" >> config.mak
1940   echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1941   echo "SPPVERSION=$pp_version" >> config.mak
1942   echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1943   echo "LAVCVERSION=$lavc_version" >> config.mak
1944   echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1945   echo "LAVFVERSION=$lavf_version" >> config.mak
1946   echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1947   echo "LAVUVERSION=$lavu_version" >> config.mak
1948   echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1949   echo "SWSVERSION=$sws_version" >> config.mak
1950   echo "SLIBNAME=${SLIBNAME}" >> config.mak
1951   echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1952   echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1953   echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1954   echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1955 fi
1956 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1957 echo "EXTRALIBS=$extralibs" >> config.mak
1958
1959 print_config ARCH_   $TMPH config.mak $ARCH_LIST
1960 print_config HAVE_   $TMPH config.mak $HAVE_LIST
1961 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST   \
1962                                       $DECODER_LIST  \
1963                                       $ENCODER_LIST  \
1964                                       $PARSER_LIST   \
1965                                       $BSF_LIST      \
1966                                       $DEMUXER_LIST  \
1967                                       $MUXER_LIST    \
1968                                       $PROTOCOL_LIST \
1969
1970 echo "#define restrict $_restrict" >> $TMPH
1971
1972 if enabled small; then
1973   echo "#define av_always_inline"  >> $TMPH
1974 fi
1975
1976 echo "SRC_PATH=\"$source_path\"" >> config.mak
1977 echo "SRC_PATH_BARE=$source_path" >> config.mak
1978 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1979
1980 # Apparently it's not possible to portably echo a backslash.
1981 if enabled asmalign_pot; then
1982   printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
1983 else
1984   printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1985 fi
1986
1987
1988 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1989 if ! cmp -s $TMPH config.h; then
1990         mv -f $TMPH config.h
1991 else
1992         echo "config.h is unchanged"
1993 fi
1994
1995 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
1996
1997 # build tree in object directory if source path is different from current one
1998 if enabled source_path_used; then
1999     DIRS="\
2000          doc \
2001          libavcodec \
2002          libavcodec/alpha \
2003          libavcodec/armv4l \
2004          libavcodec/bfin \
2005          libavcodec/i386 \
2006          libavcodec/mlib \
2007          libavcodec/ppc \
2008          libavcodec/sh4 \
2009          libavcodec/sparc \
2010          libavformat \
2011          libavutil \
2012          libpostproc \
2013          libswscale \
2014          tests \
2015          tools \
2016          vhook \
2017          "
2018     FILES="\
2019           Makefile \
2020           common.mak \
2021           doc/texi2pod.pl \
2022           libavcodec/Makefile \
2023           libavformat/Makefile \
2024           libavutil/Makefile \
2025           libpostproc/Makefile \
2026           libswscale/Makefile \
2027           "
2028     for dir in $DIRS ; do
2029             mkdir -p $dir
2030     done
2031     for f in $FILES ; do
2032         ln -sf "$source_path/$f" $f
2033     done
2034 fi
2035
2036
2037 # build pkg-config files
2038 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2039
2040 pkgconfig_generate(){
2041 name=$1
2042 comment=$2
2043 version=$3
2044 libs=$4
2045 requires=$5
2046 include=$6
2047 cat <<EOF >$name.pc
2048 prefix=$PREFIX
2049 exec_prefix=\${prefix}
2050 libdir=\${exec_prefix}/lib
2051 includedir=\${prefix}/include
2052
2053 Name: $name
2054 Description: $comment
2055 Version: $version
2056 Requires: $requires
2057 Conflicts:
2058 Libs: -L\${libdir} $libs
2059 Cflags: -I\${includedir} -I\${includedir}/$include
2060 EOF
2061 }
2062
2063 pkgconfig_generate_uninstalled(){
2064 name=$1
2065 shortname=${name#lib}
2066 comment=$2
2067 version=$3
2068 libs=$4
2069 requires=$5
2070 cat <<EOF >$name-uninstalled.pc
2071 prefix=
2072 exec_prefix=
2073 libdir=\${pcfiledir}/$name
2074 includedir=\${pcfiledir}/$name
2075
2076 Name: $name
2077 Description: $comment
2078 Version: $version
2079 Requires: $requires
2080 Conflicts:
2081 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2082 Cflags: -I\${includedir}
2083 EOF
2084 }
2085
2086 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2087 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2088
2089 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2090 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2091
2092 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2093 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2094
2095 if enabled pp; then
2096   pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2097   pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2098 fi
2099
2100 if enabled swscaler; then
2101   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2102   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2103 else
2104   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2105   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2106   apply libswscale.pc sed s/^Libs:.*$/Libs:/
2107   apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2108 fi