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/share/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-libtheora       enable Theora encoding via libtheora [default=no]"
  95   echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
  96   echo "                           native implementation exists [default=no]"
  97   echo "  --enable-libx264         enable H.264 encoding via x264 [default=no]"
  98   echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
  99   echo "                           native MPEG-4/Xvid encoder exists [default=no]"
 100   echo ""
 101   echo "Advanced options (experts only):"
 102   echo "  --source-path=PATH       path to source code [$source_path]"
 103   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 104   echo "  --cross-compile          assume a cross-compiler is used"
 105   echo "  --target-os=OS           compiler targets OS [$targetos]"
 106   echo "  --cc=CC                  use C compiler CC [$cc]"
 107   echo "  --make=MAKE              use specified make [$make]"
 108   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 109   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 110   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 111   echo "  --build-suffix=SUFFIX    suffix for application specific build []"
 112   echo "  --arch=ARCH              select architecture  [$arch]"
 113   echo "  --cpu=CPU                selects the minimum cpu required (affects"
 114   echo "                           instruction selection, may crash on older CPUs)"
 115   echo "  --enable-powerpc-perf    enable performance report on PPC"
 116   echo "                           (requires enabling PMC)"
 117   echo "  --disable-mmx            disable MMX usage"
 118   echo "  --disable-armv5te        disable armv5te usage"
 119   echo "  --disable-armv6          disable armv6 usage"
 120   echo "  --disable-iwmmxt         disable iwmmxt usage"
 121   echo "  --disable-altivec        disable AltiVec usage"
 122   echo "  --disable-network        disable network support [default=no]"
 123   echo "  --disable-ipv6           disable ipv6 support [default=no]"
 124   echo "  --disable-zlib           disable zlib [default=no]"
 125   echo "  --disable-vhook          disable video hooking support"
 126   echo "  --disable-debug          disable debugging symbols"
 127   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 128   echo "                           MPEG audio decoding [default=no]"
 129   echo "  --enable-gray            enable full grayscale support (slower color)"
 130   echo "  --disable-ffmpeg         disable ffmpeg build"
 131   echo "  --disable-ffserver       disable ffserver build"
 132   echo "  --disable-ffplay         disable ffplay build"
 133   echo "  --enable-small           optimize for size instead of speed"
 134   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 135   echo "  --disable-encoder=NAME   disables encoder NAME"
 136   echo "  --enable-encoder=NAME    enables encoder NAME"
 137   echo "  --disable-decoder=NAME   disables decoder NAME"
 138   echo "  --enable-decoder=NAME    enables decoder NAME"
 139   echo "  --disable-encoders       disables all encoders"
 140   echo "  --disable-decoders       disables all decoders"
 141   echo "  --disable-muxer=NAME     disables muxer NAME"
 142   echo "  --enable-muxer=NAME      enables muxer NAME"
 143   echo "  --disable-muxers         disables all muxers"
 144   echo "  --disable-demuxer=NAME   disables demuxer NAME"
 145   echo "  --enable-demuxer=NAME    enables demuxer NAME"
 146   echo "  --disable-demuxers       disables all demuxers"
 147   echo "  --enable-parser=NAME     enables parser NAME"
 148   echo "  --disable-parser=NAME    disables parser NAME"
 149   echo "  --disable-parsers        disables all parsers"
 150   echo "  --enable-bsf=NAME        enables bitstream filter NAME"
 151   echo "  --disable-bsf=NAME       disables bitstream filter NAME"
 152   echo "  --disable-bsfs           disables all bitstream filters"
 153   echo "  --enable-protocol=NAME   enables protocol NAME"
 154   echo "  --disable-protocol=NAME  disables protocol NAME"
 155   echo "  --disable-protocols      disables all protocols"
 156   echo "  --list-decoders          show all available decoders"
 157   echo "  --list-encoders          show all available encoders"
 158   echo "  --list-muxers            show all available muxers"
 159   echo "  --list-demuxers          show all available demuxers"
 160   echo "  --list-parsers           show all available parsers"
 161   echo "  --list-protocols         show all available protocols"
 162   echo "  --list-bsfs              show all available bitstream filters"
 163   echo
 164   echo "Developer options (useful when working on FFmpeg itself):"
 165   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 166   echo "  --disable-optimizations  disable compiler optimizations"
 167   echo "  --enable-extra-warnings  enable more compiler warnings"
 168   echo "  --disable-strip          disable stripping of executables and shared libraries"
 169   echo ""
 170   echo "NOTE: Object files are built at the place where configure is launched."
 171   exit 1
 172 }
 173
 174 log(){
 175     echo "$@" >>$logfile
 176 }
 177
 178 log_file(){
 179     log BEGIN $1
 180     pr -n -t $1 >>$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 is_in(){
 288     value=$1
 289     shift
 290     for var in $*; do
 291         [ $var = $value ] && return 0
 292     done
 293     return 1
 294 }
 295
 296 check_deps(){
 297     for cfg; do
 298         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 299         disabled ${cfg}_checking && continue
 300         enable ${cfg}_checking
 301
 302         eval dep_all="\$${cfg}_deps"
 303         eval dep_any="\$${cfg}_deps_any"
 304
 305         pushvar cfg dep_all dep_any
 306         check_deps $dep_all $dep_any
 307         popvar cfg dep_all dep_any
 308
 309         enabled_all $dep_all || disable $cfg
 310         enabled_any $dep_any || disable $cfg
 311
 312         if enabled $cfg; then
 313             eval dep_extralibs="\$${cfg}_extralibs"
 314             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 315         fi
 316
 317         disable ${cfg}_checking
 318     done
 319 }
 320
 321 print_config(){
 322     pfx=$1
 323     header=$2
 324     makefile=$3
 325     shift 3
 326     for cfg; do
 327         ucname="`toupper $cfg`"
 328         if enabled $cfg; then
 329             echo "#define ${pfx}${ucname} 1" >> $header
 330             echo "#define ENABLE_${ucname} 1" >> $header
 331             echo "${pfx}${ucname}=yes" >> $makefile
 332         else
 333             echo "#define ENABLE_${ucname} 0" >> $header
 334         fi
 335     done
 336 }
 337
 338 flags_saved(){
 339     (: ${SAVE_CFLAGS?}) 2>/dev/null
 340 }
 341
 342 save_flags(){
 343     flags_saved && return
 344     SAVE_CFLAGS="$CFLAGS"
 345     SAVE_LDFLAGS="$LDFLAGS"
 346     SAVE_extralibs="$extralibs"
 347 }
 348
 349 restore_flags(){
 350     flags_saved || return
 351     CFLAGS="$SAVE_CFLAGS"
 352     LDFLAGS="$SAVE_LDFLAGS"
 353     extralibs="$SAVE_extralibs"
 354     unset SAVE_CFLAGS
 355     unset SAVE_LDFLAGS
 356     unset SAVE_extralibs
 357 }
 358
 359 temp_cflags(){
 360     save_flags
 361     CFLAGS="$CFLAGS $*"
 362 }
 363
 364 temp_ldflags(){
 365     save_flags
 366     LDFLAGS="$LDFLAGS $*"
 367 }
 368
 369 temp_extralibs(){
 370     save_flags
 371     extralibs="$extralibs $*"
 372 }
 373
 374 append(){
 375     var=$1
 376     shift
 377     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 378     eval "$var=\"\$$var $*\""
 379 }
 380
 381 add_cflags(){
 382     append CFLAGS "$@"
 383 }
 384
 385 add_ldflags(){
 386     append LDFLAGS "$@"
 387 }
 388
 389 add_extralibs(){
 390     append extralibs "$@"
 391 }
 392
 393 check_cmd(){
 394     log "$@"
 395     "$@" >>$logfile 2>&1
 396 }
 397
 398 check_cc(){
 399     log check_cc "$@"
 400     cat >$TMPC
 401     log_file $TMPC
 402     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 403 }
 404
 405 check_cpp(){
 406     log check_cpp "$@"
 407     cat >$TMPC
 408     log_file $TMPC
 409     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 410 }
 411
 412 check_asm(){
 413     log check_asm "$@"
 414     name="$1"
 415     asm="$2"
 416     shift 2
 417     check_cc "$@" <<EOF && enable $name || disable $name
 418 int foo(void){
 419     asm volatile($asm);
 420 }
 421 EOF
 422 }
 423
 424 check_ld(){
 425     log check_ld "$@"
 426     check_cc || return
 427     flags=''
 428     libs=''
 429     for f; do
 430         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 431     done
 432     check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 433 }
 434
 435 check_cflags(){
 436     log check_cflags "$@"
 437     check_cc "$@" <<EOF && add_cflags "$@"
 438 int x;
 439 EOF
 440 }
 441
 442 check_ldflags(){
 443     log check_ldflags "$@"
 444     check_ld "$@" <<EOF && add_ldflags "$@"
 445 int main(void){
 446     return 0;
 447 }
 448 EOF
 449 }
 450
 451 check_header(){
 452     log check_header "$@"
 453     header=$1
 454     shift
 455     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 456     disable $var
 457     check_cpp "$@" <<EOF && enable $var
 458 #include <$header>
 459 int x;
 460 EOF
 461 }
 462
 463 check_func(){
 464     log check_func "$@"
 465     func=$1
 466     shift
 467     disable $func
 468     check_ld "$@" <<EOF && enable $func
 469 extern int $func();
 470 int main(void){
 471     $func();
 472 }
 473 EOF
 474 }
 475
 476 check_func2(){
 477     log check_func2 "$@"
 478     headers=$1
 479     func=$2
 480     shift 2
 481     disable $func
 482     incs=""
 483     for hdr in $headers; do
 484         incs="$incs
 485 #include <$hdr>"
 486     done
 487     check_ld "$@" <<EOF && enable $func
 488 $incs
 489 int main(void){
 490     (void) $func;
 491     return 0;
 492 }
 493 EOF
 494 }
 495
 496 check_lib(){
 497     log check_lib "$@"
 498     header="$1"
 499     func="$2"
 500     shift 2
 501     temp_extralibs "$@"
 502     check_header $header && check_func $func && add_extralibs "$@"
 503     err=$?
 504     restore_flags
 505     return $err
 506 }
 507
 508 check_lib2(){
 509     log check_lib2 "$@"
 510     headers="$1"
 511     func="$2"
 512     shift 2
 513     temp_extralibs "$@"
 514     check_func2 "$headers" $func && add_extralibs "$@"
 515     err=$?
 516     restore_flags
 517     return $err
 518 }
 519
 520 check_exec(){
 521     check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
 522 }
 523
 524 check_exec_crash(){
 525     code=`cat`
 526
 527     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 528     # are safe but may not be available everywhere.  Thus we use
 529     # raise(SIGTERM) instead.  The check is run in a subshell so we
 530     # can redirect the "Terminated" message from the shell.  SIGBUS
 531     # is not defined by standard C so it is used conditionally.
 532
 533     (check_exec "$@") >>$logfile 2>&1 <<EOF
 534 #include <signal.h>
 535 static void sighandler(int sig){
 536     raise(SIGTERM);
 537 }
 538 int main(void){
 539     signal(SIGILL, sighandler);
 540     signal(SIGFPE, sighandler);
 541     signal(SIGSEGV, sighandler);
 542 #ifdef SIGBUS
 543     signal(SIGBUS, sighandler);
 544 #endif
 545     { $code }
 546 }
 547 EOF
 548 }
 549
 550 require(){
 551     name="$1"
 552     header="$2"
 553     func="$3"
 554     shift 3
 555     check_lib $header $func "$@" || die "ERROR: $name not found"
 556 }
 557
 558 require2(){
 559     name="$1"
 560     headers="$2"
 561     func="$3"
 562     shift 3
 563     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 564 }
 565
 566 check_foo_config(){
 567     cfg=$1
 568     pkg=$2
 569     header=$3
 570     func=$4
 571     shift 4
 572     disable $cfg
 573     check_cmd ${pkg}-config --version
 574     err=$?
 575     if test "$err" = 0; then
 576         temp_cflags `${pkg}-config --cflags`
 577         temp_extralibs `${pkg}-config --libs`
 578         check_lib "$@" $header $func && enable $cfg
 579     fi
 580     return $err
 581 }
 582
 583 apply(){
 584     file=$1
 585     shift
 586     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 587 }
 588
 589 COMPONENT_LIST="
 590     bsfs
 591     decoders
 592     demuxers
 593     encoders
 594     muxers
 595     parsers
 596     protocols
 597 "
 598
 599 CONFIG_LIST="
 600     $COMPONENT_LIST
 601     avisynth
 602     beos_netserver
 603     ffmpeg
 604     ffplay
 605     ffserver
 606     gpl
 607     gprof
 608     gray
 609     ipv6
 610     liba52
 611     liba52bin
 612     libamr
 613     libamr_nb
 614     libamr_wb
 615     libdc1394
 616     libfaac
 617     libfaad
 618     libfaadbin
 619     libgsm
 620     libmp3lame
 621     libnut
 622     libtheora
 623     libvorbis
 624     libx264
 625     libxvid
 626     memalign_hack
 627     mpegaudio_hp
 628     network
 629     powerpc_perf
 630     pp
 631     small
 632     swscaler
 633     vhook
 634     x11grab
 635     zlib
 636 "
 637
 638 THREADS_LIST='
 639     beosthreads
 640     pthreads
 641     w32threads
 642 '
 643
 644 ARCH_LIST='
 645     alpha
 646     armv4l
 647     bfin
 648     ia64
 649     m68k
 650     mips
 651     parisc
 652     powerpc
 653     s390
 654     sh4
 655     sparc
 656     sparc64
 657     x86
 658     x86_32
 659     x86_64
 660 '
 661
 662 ARCH_EXT_LIST='
 663     altivec
 664     armv5te
 665     armv6
 666     iwmmxt
 667     mmi
 668     mmx
 669     ssse3
 670     vis
 671 '
 672
 673 HAVE_LIST="
 674     $ARCH_EXT_LIST
 675     $THREADS_LIST
 676     altivec_h
 677     arpa_inet_h
 678     byteswap_h
 679     closesocket
 680     cmov
 681     conio_h
 682     dcbzl
 683     dev_bktr_ioctl_bt848_h
 684     dev_bktr_ioctl_meteor_h
 685     dev_ic_bt8xx_h
 686     dev_video_meteor_ioctl_meteor_h
 687     dev_video_bktr_ioctl_bt848_h
 688     dlfcn_h
 689     dlopen
 690     ebp_available
 691     ebx_available
 692     fast_64bit
 693     fast_cmov
 694     fast_unaligned
 695     fork
 696     freetype2
 697     gethrtime
 698     GetProcessTimes
 699     getrusage
 700     imlib2
 701     inet_aton
 702     lrintf
 703     machine_ioctl_bt848_h
 704     machine_ioctl_meteor_h
 705     malloc_h
 706     memalign
 707     mkstemp
 708     mlib
 709     ppc64
 710     sdl
 711     sdl_video_size
 712     soundcard_h
 713     sys_poll_h
 714     sys_soundcard_h
 715     termios_h
 716     threads
 717     winsock2_h
 718 "
 719
 720 CMDLINE_SELECT="
 721     $ARCH_EXT_LIST
 722     $CONFIG_LIST
 723     $THREADS_LIST
 724     debug
 725     extra_warnings
 726     optimizations
 727     shared
 728     static
 729 "
 730
 731 # code dependency declarations
 732
 733 # architecture extensions
 734 altivec_deps="powerpc"
 735 armv5te_deps="armv4l"
 736 armv6_deps="armv4l"
 737 iwmmxt_deps="armv4l"
 738 mmi_deps="mips"
 739 mmx_deps="x86"
 740 ssse3_deps="x86"
 741 vis_deps="sparc"
 742
 743 # decoders / encoders
 744 ac3_decoder_deps="gpl"
 745 dxa_decoder_deps="zlib"
 746 flashsv_decoder_deps="zlib"
 747 flashsv_encoder_deps="zlib"
 748 flv_decoder_deps="h263_decoder"
 749 h263_decoder_deps="h263_parser mpeg4video_parser"
 750 h263i_decoder_deps="h263_decoder"
 751 h264_decoder_deps="h264_parser"
 752 mpeg_xvmc_decoder_deps="xvmc"
 753 mpeg4_decoder_deps="h263_decoder"
 754 msmpeg4v1_decoder_deps="h263_decoder"
 755 msmpeg4v2_decoder_deps="h263_decoder"
 756 msmpeg4v3_decoder_deps="h263_decoder"
 757 png_decoder_deps="zlib"
 758 png_encoder_deps="zlib"
 759 svq3_decoder_deps="h264_parser"
 760 vc1_decoder_deps="h263_decoder"
 761 wmv1_decoder_deps="h263_decoder"
 762 wmv2_decoder_deps="h263_decoder"
 763 wmv3_decoder_deps="h263_decoder"
 764 zmbv_decoder_deps="zlib"
 765 zmbv_encoder_deps="zlib"
 766
 767 # external libraries
 768 liba52_decoder_deps="liba52"
 769 liba52bin_decoder_extralibs='$ldl'
 770 libamr_nb_decoder_deps="libamr_nb"
 771 libamr_nb_encoder_deps="libamr_nb"
 772 libamr_wb_decoder_deps="libamr_wb"
 773 libamr_wb_encoder_deps="libamr_wb"
 774 libfaac_encoder_deps="libfaac"
 775 libfaad_decoder_deps="libfaad"
 776 libfaadbin_decoder_extralibs='$ldl'
 777 libgsm_decoder_deps="libgsm"
 778 libgsm_encoder_deps="libgsm"
 779 libgsm_ms_decoder_deps="libgsm"
 780 libgsm_ms_encoder_deps="libgsm"
 781 libmp3lame_encoder_deps="libmp3lame"
 782 libtheora_encoder_deps="libtheora"
 783 libvorbis_encoder_deps="libvorbis"
 784 libx264_encoder_deps="libx264"
 785 libxvid_encoder_deps="libxvid"
 786 mpeg4aac_decoder_deps="libfaad"
 787
 788 # demuxers / muxers
 789 ac3_demuxer_deps="ac3_parser"
 790 audio_beos_demuxer_deps="audio_beos"
 791 audio_beos_demuxer_extralibs="-lmedia -lbe"
 792 audio_beos_muxer_deps="audio_beos"
 793 audio_beos_muxer_extralibs="-lmedia -lbe"
 794 avisynth_demuxer_deps="avisynth"
 795 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
 796 dv1394_demuxer_deps="dv1394"
 797 libdc1394_demuxer_deps="libdc1394"
 798 libnut_demuxer_deps="libnut"
 799 libnut_muxer_deps="libnut"
 800 mp3_demuxer_deps="mpegaudio_parser"
 801 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
 802 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
 803 redir_demuxer_deps="network"
 804 rtp_muxer_deps="network mpegts_demuxer"
 805 rtsp_demuxer_deps="rtp_protocol rtp_muxer"
 806 sdp_demuxer_deps="rtsp_demuxer"
 807 v4l2_demuxer_deps="linux_videodev2_h"
 808 v4l_demuxer_deps="linux_videodev_h"
 809 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
 810 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
 811
 812 # protocols
 813 http_protocol_deps="network"
 814 rtp_protocol_deps="udp_protocol"
 815 tcp_protocol_deps="network"
 816 udp_protocol_deps="network"
 817
 818 # programs
 819 ffplay_deps="sdl"
 820 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
 821 ffserver_extralibs='$ldl'
 822 vhook_extralibs='$ldl'
 823
 824
 825 # set temporary file name
 826 if test ! -z "$TMPDIR" ; then
 827     TMPDIR1="${TMPDIR}"
 828 elif test ! -z "$TEMPDIR" ; then
 829     TMPDIR1="${TEMPDIR}"
 830 else
 831     TMPDIR1="/tmp"
 832 fi
 833
 834 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
 835 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
 836 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
 837 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
 838 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
 839
 840 # default parameters
 841
 842 enable logging
 843 logfile="config.err"
 844
 845 # installation paths
 846 PREFIX="/usr/local"
 847 libdir='$(PREFIX)/lib'
 848 shlibdir="$libdir"
 849 incdir='$(PREFIX)/include/ffmpeg'
 850 mandir='$(PREFIX)/share/man'
 851 bindir='$(PREFIX)/bin'
 852
 853 # toolchain
 854 cc="gcc"
 855 ar="ar"
 856 ranlib="ranlib"
 857 make="make"
 858 strip="strip"
 859 asmalign_pot="unknown"
 860 ln_s="ln -sf"
 861
 862 # machine
 863 arch=`uname -m`
 864 cpu="generic"
 865
 866 # OS
 867 targetos=$(tolower $(uname -s))
 868
 869 # libraries
 870 enable zlib
 871
 872 # configurable options
 873 enable debug
 874 enable dostrip
 875 enable ffmpeg
 876 enable ffplay
 877 enable ffserver
 878 enable ipv6
 879 enable static
 880 enable mpegaudio_hp
 881 enable network
 882 enable optimizations
 883 enable protocols
 884 vhook="default"
 885
 886 # build settings
 887 SHFLAGS='-shared -Wl,-soname,$@'
 888 VHOOKSHFLAGS='$(SHFLAGS)'
 889 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
 890 FFSERVERLDFLAGS=-Wl,-E
 891 LDCONFIG="ldconfig"
 892 LIBPREF="lib"
 893 LIBSUF=".a"
 894 FULLNAME='$(NAME)$(BUILDSUF)'
 895 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
 896 SLIBPREF="lib"
 897 SLIBSUF=".so"
 898 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
 899 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
 900 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
 901 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
 902
 903 # find source path
 904 source_path="`dirname \"$0\"`"
 905 enable source_path_used
 906 if test -z "$source_path" -o "$source_path" = "." ; then
 907     source_path="`pwd`"
 908     disable source_path_used
 909 else
 910     source_path="`cd \"$source_path\"; pwd`"
 911     echo "$source_path" | grep -q '[[:blank:]]' &&
 912       die "Out of tree builds are impossible with whitespace in source path."
 913 fi
 914
 915 FFMPEG_CONFIGURATION="$@"
 916
 917 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*(.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
 918 DECODER_LIST=`sed -n 's/^[^#]*DEC.*(.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
 919 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*(.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
 920 BSF_LIST=`sed -n 's/^[^#]*BSF.*(.*, *\(.*\)).*/\1_bsf/p' "$source_path/libavcodec/allcodecs.c"`
 921 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*(.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
 922 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*(.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
 923 PROTOCOL_LIST=`sed -n 's/^[^#]*PROTOCOL.*(.*, *\(.*\)).*/\1_protocol/p' "$source_path/libavformat/allformats.c"`
 924
 925 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST $PROTOCOL_LIST $BSF_LIST
 926 enable $ARCH_EXT_LIST
 927
 928 die_unknown(){
 929     echo "Unknown option \"$1\"."
 930     echo "See $0 --help for available options."
 931     exit 1
 932 }
 933
 934 show_list() {
 935     suffix=_$1
 936     shift
 937     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
 938     exit 0
 939 }
 940
 941 for opt do
 942   optval="${opt#*=}"
 943   case "$opt" in
 944   --log)
 945   ;;
 946   --log=*) logging="$optval"
 947   ;;
 948   --prefix=*) PREFIX="$optval"
 949   ;;
 950   --libdir=*) libdir="$optval"
 951   ;;
 952   --shlibdir=*) shlibdir="$optval"
 953   ;;
 954   --incdir=*) incdir="$optval"
 955   ;;
 956   --mandir=*) mandir="$optval"
 957   ;;
 958   --source-path=*) source_path="$optval"
 959   ;;
 960   --cross-prefix=*) cross_prefix="$optval"
 961   ;;
 962   --cross-compile) enable cross_compile
 963   ;;
 964   --target-os=*) targetos="$optval"
 965   ;;
 966   --cc=*) cc="$optval"
 967   ;;
 968   --make=*) make="$optval"
 969   ;;
 970   --extra-cflags=*) add_cflags "$optval"
 971   ;;
 972   --extra-ldflags=*) add_ldflags "$optval"
 973   ;;
 974   --extra-libs=*) add_extralibs "$optval"
 975   ;;
 976   --build-suffix=*) BUILDSUF="$optval"
 977   ;;
 978   --arch=*) arch="$optval"
 979   ;;
 980   --cpu=*) cpu="$optval"
 981   ;;
 982   --enable-sunmlib) enable mlib
 983   ;;
 984   --disable-strip) disable dostrip
 985   ;;
 986   --disable-encoders) disable $ENCODER_LIST
 987   ;;
 988   --disable-decoders) disable $DECODER_LIST
 989   ;;
 990   --disable-muxers) disable $MUXER_LIST
 991   ;;
 992   --disable-demuxers) disable $DEMUXER_LIST
 993   ;;
 994   --disable-parsers) disable $PARSER_LIST
 995   ;;
 996   --disable-bsfs) disable $BSF_LIST
 997   ;;
 998   --disable-protocols) disable $PROTOCOL_LIST
 999   ;;
1000   --enable-*=*|--disable-*=*)
1001   eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1002   case "$thing" in
1003       encoder|decoder|muxer|demuxer|parser|bsf|protocol) $action ${optval}_${thing} ;;
1004       *) die_unknown "$opt" ;;
1005   esac
1006   ;;
1007   --enable-?*|--disable-?*)
1008   eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1009   echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
1010   $action $option
1011   ;;
1012   --list-*)
1013     NAME="${opt#--list-}"
1014     is_in $NAME $COMPONENT_LIST || die_unknown $opt
1015     NAME=${NAME%s}
1016     eval show_list $NAME \$$(toupper $NAME)_LIST
1017   ;;
1018   --help|-h) show_help
1019   ;;
1020   *)
1021   die_unknown $opt
1022   ;;
1023   esac
1024 done
1025
1026 case "$arch" in
1027   i386|i486|i586|i686|i86pc|BePC)
1028     arch="x86_32"
1029     enable fast_unaligned
1030   ;;
1031   x86_64|amd64)
1032     arch="x86_32"
1033     enable fast_unaligned
1034     canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
1035     if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
1036       if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
1037         arch="x86_64"
1038         enable fast_64bit
1039       fi
1040     fi
1041   ;;
1042   # armv4l is a subset of armv[567]*l
1043   arm|armv[4567]*l)
1044     arch="armv4l"
1045   ;;
1046   alpha)
1047     arch="alpha"
1048     enable fast_64bit
1049   ;;
1050   "Power Macintosh"|ppc|powerpc)
1051     arch="powerpc"
1052   ;;
1053   ppc64)
1054     arch="powerpc"
1055     enable fast_64bit
1056   ;;
1057   mips|mipsel|IP*)
1058     arch="mips"
1059   ;;
1060   sun4u|sparc64)
1061     arch="sparc64"
1062     enable fast_64bit
1063   ;;
1064   sparc)
1065     arch="sparc"
1066   ;;
1067   sh4)
1068     arch="sh4"
1069   ;;
1070   parisc)
1071     arch="parisc"
1072   ;;
1073   parisc64)
1074     arch="parisc"
1075     enable fast_64bit
1076   ;;
1077   s390|s390x)
1078     arch="s390"
1079   ;;
1080   m68k)
1081     arch="m68k"
1082   ;;
1083   ia64)
1084     arch="ia64"
1085     enable fast_64bit
1086   ;;
1087   bfin)
1088     arch="bfin"
1089   ;;
1090   *)
1091     arch="unknown"
1092   ;;
1093 esac
1094
1095 enable $arch
1096 enabled_any x86_32 x86_64 && enable x86
1097 enabled     sparc64       && enable sparc
1098
1099 # OS specific
1100 case $targetos in
1101   beos|haiku|zeta)
1102     PREFIX="$HOME/config"
1103     # helps building libavcodec
1104     add_cflags "-DPIC -fomit-frame-pointer"
1105     # 3 gcc releases known for BeOS, each with ugly bugs
1106     gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1107     case "$gcc_version" in
1108       2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1109         disable mmx
1110         ;;
1111       *20010315*) echo "BeBits gcc"
1112         add_cflags "-fno-expensive-optimizations"
1113         ;;
1114     esac
1115     LDCONFIG="echo ignoring ldconfig"
1116     SHFLAGS=-nostart
1117     # enable BeOS things
1118     enable audio_beos
1119     # no need for libm, but the inet stuff
1120     # Check for BONE
1121     # XXX: actually should check for NOT net_server
1122     if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1123         network_extralibs="-lbind -lsocket"
1124     else
1125         enable beos_netserver
1126         network_extralibs="-lnet"
1127     fi ;;
1128   sunos)
1129     FFSERVERLDFLAGS=""
1130     SHFLAGS='-shared -Wl,-h,$@'
1131     network_extralibs="-lsocket -lnsl"
1132     ;;
1133   netbsd)
1134     oss_demuxer_extralibs="-lossaudio"
1135     oss_muxer_extralibs="-lossaudio"
1136     ;;
1137   openbsd)
1138     disable need_memalign
1139     LIBOBJFLAGS='$(PIC)'
1140     LDCONFIG='ldconfig -m $(SHLIBDIR)'
1141     SHFLAGS='-shared'
1142     SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1143     SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1144     SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1145     oss_demuxer_extralibs="-lossaudio"
1146     oss_muxer_extralibs="-lossaudio"
1147     ;;
1148   freebsd)
1149     disable need_memalign
1150     ;;
1151   bsd/os)
1152     osextralibs="-lpoll -lgnugetopt"
1153     strip="strip -d"
1154     ;;
1155   darwin)
1156     disable need_memalign
1157     SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(SPPVERSION),-compatibility_version,$(SPPVERSION) -Wl,-read_only_relocs,suppress'
1158     VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$@'
1159     strip="strip -x"
1160     FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1161     SLIBSUF=".dylib"
1162     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1163     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1164     FFSERVERLDFLAGS=-Wl,-bind_at_load
1165     ;;
1166   mingw32*)
1167     targetos=mingw32
1168     shlibdir="$bindir"
1169     VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1170     VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1171     if enabled swscaler; then
1172         VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1173         VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1174     fi
1175     disable ffserver
1176     SLIBPREF=""
1177     SLIBSUF=".dll"
1178     EXESUF=".exe"
1179     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1180     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1181     SLIB_EXTRA_CMD='-lib /machine:i386 /def:$(@:$(SLIBSUF)=.def)'
1182     SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1183     SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1184     SHFLAGS='-shared -Wl,--output-def,$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1185     ;;
1186   cygwin*)
1187     targetos=cygwin
1188     shlibdir="$bindir"
1189     VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1190     VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1191     if enabled swscaler; then
1192         VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1193         VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1194     fi
1195     EXESUF=".exe"
1196     SLIBPREF="cyg"
1197     SLIBSUF=".dll"
1198     SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1199     SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1200     SHFLAGS='-shared -Wl,--enable-auto-image-base'
1201     ;;
1202   linux)
1203     LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1204     enable dv1394
1205     ;;
1206   irix*)
1207     targetos=irix
1208     ranlib="echo ignoring ranlib"
1209     ;;
1210   *)
1211     targetos="${targetos}-UNKNOWN"
1212     ;;
1213 esac
1214
1215 add_extralibs $osextralibs
1216
1217 if ! disabled logging ; then
1218     enabled logging || logfile="$logging"
1219     echo "# $0 $@" >$logfile
1220     set >>$logfile
1221 else
1222     logfile=/dev/null
1223 fi
1224
1225 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1226 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1227
1228 test -n "$cross_prefix" && enable cross_compile
1229 cc="${cross_prefix}${cc}"
1230 ar="${cross_prefix}${ar}"
1231 ranlib="${cross_prefix}${ranlib}"
1232 strip="${cross_prefix}${strip}"
1233
1234 # we need to build at least one lib type
1235 if ! enabled_any static shared; then
1236     cat <<EOF
1237 At least one library type must be built.
1238 Specify --enable-static to build the static libraries or --enable-shared to
1239 build the shared libraries as well. To only build the shared libraries specify
1240 --disable-static in addition to --enable-shared.
1241 EOF
1242     exit 1;
1243 fi
1244
1245 disabled static && LIBNAME=""
1246
1247 if enabled_any libfaad libfaadbin ; then
1248     if check_header faad.h; then
1249         check_cc << EOF
1250 #include <faad.h>
1251 #ifndef FAAD2_VERSION
1252 ok faad1
1253 #endif
1254 int main(void) { return 0; }
1255 EOF
1256         test $? = 0 && enable libfaad2
1257     else
1258         die "FAAD test failed."
1259     fi
1260 fi
1261
1262
1263 if ! enabled gpl; then
1264     die_gpl_disabled(){
1265         name=$1
1266         shift
1267         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1268     }
1269     die_gpl_disabled "The Postprocessing code" pp
1270     die_gpl_disabled "liba52"                  liba52
1271     die_gpl_disabled "libx264"                 libx264
1272     die_gpl_disabled "libxvidcore"             libxvid
1273     die_gpl_disabled "FAAD2"                   libfaad2
1274     die_gpl_disabled "The X11 grabber"         x11grab
1275     die_gpl_disabled "The software scaler"     swscaler
1276 fi
1277
1278 check_deps $ARCH_EXT_LIST
1279
1280 test -z "$need_memalign" && need_memalign="$mmx"
1281
1282 #Darwin CC versions
1283 if test $targetos = darwin; then
1284     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1285         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1286     else
1287         add_cflags "-no-cpp-precomp -pipe"
1288         check_cflags "-force_cpusubtype_ALL"
1289         check_cflags "-Wno-sign-compare"
1290         disabled shared && add_cflags -mdynamic-no-pic
1291     fi
1292 fi
1293
1294 disabled optimizations || add_cflags -fomit-frame-pointer
1295
1296 # Add processor-specific flags
1297 if test $cpu != "generic"; then
1298     warn_altivec(){
1299         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1300     }
1301     case $cpu in
1302         601|ppc601|PowerPC601)
1303             add_cflags "-mcpu=601"
1304             warn_altivec enabled PPC601
1305         ;;
1306         603*|ppc603*|PowerPC603*)
1307             add_cflags "-mcpu=603"
1308             warn_altivec enabled PPC603
1309         ;;
1310         604*|ppc604*|PowerPC604*)
1311             add_cflags "-mcpu=604"
1312             warn_altivec enabled PPC604
1313         ;;
1314         G3|g3|75*|ppc75*|PowerPC75*)
1315             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1316             warn_altivec enabled PPC75x
1317         ;;
1318         G4|g4|745*|ppc745*|PowerPC745*)
1319             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1320             warn_altivec disabled PPC745x
1321         ;;
1322         74*|ppc74*|PowerPC74*)
1323             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1324             warn_altivec disabled PPC74xx
1325         ;;
1326         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1327             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1328             warn_altivec disabled PPC970
1329             enable ppc64
1330         ;;
1331         Cell|CELL|cell)
1332             add_cflags "-mcpu=cell"
1333             warn_altivec disabled Cell
1334             enable ppc64
1335         ;;
1336         # targets that do NOT support conditional mov (cmov)
1337         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1338             add_cflags "-march=$cpu"
1339             disable cmov
1340         ;;
1341         # targets that do support conditional mov (cmov)
1342         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1343             add_cflags "-march=$cpu"
1344             enable cmov
1345             enable fast_cmov
1346         ;;
1347         # targets that do support conditional mov but on which it's slow
1348         pentium4|prescott|nocona)
1349             add_cflags "-march=$cpu"
1350             enable cmov
1351             disable fast_cmov
1352         ;;
1353         sparc64)
1354             add_cflags "-mcpu=v9"
1355         ;;
1356         bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1357             add_cflags "-mfdpic"
1358             add_ldflags "-mfdpic"
1359         ;;
1360         arm*)
1361             add_cflags "-mcpu=$cpu"
1362         ;;
1363         *)
1364         echo "WARNING: Unknown CPU \"$cpu\", ignored."
1365         ;;
1366     esac
1367 fi
1368
1369 gnu_make(){
1370     $1 --version 2>&1 | grep -q GNU
1371 }
1372
1373 if ! gnu_make $make; then
1374     gnu_make gmake && make=gmake || die "GNU make not found."
1375 fi
1376
1377 # make sure we can execute files in $TMPDIR
1378 cat >$TMPE 2>>$logfile <<EOF
1379 #! /bin/sh
1380 EOF
1381 chmod +x $TMPE >>$logfile 2>&1
1382 if ! $TMPE >>$logfile 2>&1; then
1383     cat <<EOF
1384 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1385 variable to another directory and make sure that $TMPDIR1 is not mounted
1386 noexec.
1387 EOF
1388     die "Sanity test failed."
1389 fi
1390 rm $TMPE
1391
1392 # compiler sanity check
1393 check_exec <<EOF
1394 int main(void){
1395     return 0;
1396 }
1397 EOF
1398 if test "$?" != 0; then
1399     echo "$cc is unable to create an executable file."
1400     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1401         echo "If $cc is a cross-compiler, use the --cross-compile option."
1402         echo "Only do this if you know what cross compiling means."
1403     fi
1404     die "C compiler test failed."
1405 fi
1406
1407 if enabled x86; then
1408     # check whether EBP is available on x86
1409     # As 'i' is stored on the stack, this program will crash
1410     # if the base pointer is used to access it because the
1411     # base pointer is cleared in the inline assembly code.
1412     check_exec_crash <<EOF && enable ebp_available
1413     volatile int i=0;
1414     asm volatile (
1415         "xorl %%ebp, %%ebp"
1416     ::: "%ebp");
1417     return i;
1418 EOF
1419
1420     # check wether EBX is available on x86
1421     check_asm ebx_available '"":::"%ebx"'
1422
1423     # check whether binutils is new enough to compile SSSE3
1424     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1425 fi
1426
1427 # check for assembler specific support
1428
1429 if test $arch = "powerpc"; then
1430 check_cc <<EOF && enable dcbzl
1431 int main(void) {
1432     register long zero = 0;
1433     char data[1024];
1434     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1435 return 0;
1436 }
1437 EOF
1438 fi
1439
1440 # check for SIMD availability
1441
1442 # AltiVec flags: The FSF version of GCC differs from the Apple version
1443 if enabled altivec; then
1444     test -n "`$cc -v 2>&1 | grep version | grep Apple`" &&
1445         add_cflags "-faltivec" ||
1446         add_cflags "-maltivec -mabi=altivec"
1447
1448     check_header altivec.h
1449
1450     # check if our compiler supports Motorola AltiVec C API
1451     enabled altivec_h &&
1452         inc_altivec_h="#include <altivec.h>" ||
1453         inc_altivec_h=
1454     check_cc <<EOF || disable altivec
1455 $inc_altivec_h
1456 int main(void) {
1457     vector signed int v1, v2, v3;
1458     v1 = vec_add(v2,v3);
1459     return 0;
1460 }
1461 EOF
1462 fi
1463
1464 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1465 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1466 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1467 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1468 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1469
1470 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1471
1472 # ---
1473 # big/little-endian test
1474 check_cc <<EOF || die "endian test failed"
1475 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1476 EOF
1477 grep -q BIGE $TMPO && enable bigendian
1478
1479 # ---
1480 # check availability of some header files
1481
1482 if check_func dlopen; then
1483     ldl=
1484 elif check_func dlopen -ldl; then
1485     ldl=-ldl
1486 fi
1487
1488 check_func fork
1489 check_func gethrtime
1490 check_func getrusage
1491 check_func inet_aton
1492 check_func memalign
1493 check_func mkstemp
1494 check_func2 windows.h GetProcessTimes
1495
1496 check_header byteswap.h
1497 check_header conio.h
1498 check_header dlfcn.h
1499 check_header malloc.h
1500 check_header termios.h
1501
1502 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1503     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1504 fi
1505
1506 enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
1507
1508 # ffserver uses poll(),
1509 # if it's not found we can emulate it using select().
1510 if enabled ffserver; then
1511     check_header sys/poll.h
1512 fi
1513
1514 # check for some common methods of building with pthread support
1515 # do this before the optional library checks as some of them require pthreads
1516 if enabled pthreads; then
1517     if check_func pthread_create; then
1518         :
1519     elif check_func pthread_create -pthread; then
1520         add_cflags -pthread
1521         add_ldflags -pthread
1522     elif check_func pthread_create -pthreads; then
1523         add_cflags -pthreads
1524         add_ldflags -pthreads
1525     elif ! check_lib pthread.h pthread_create -lpthread; then
1526         die "ERROR: can't find pthreads library"
1527     fi
1528 fi
1529
1530 for thread in $THREADS_LIST; do
1531     if enabled $thread; then
1532         test -n "$thread_type" &&
1533             die "ERROR: Only one thread type must be selected." ||
1534             thread_type="$thread"
1535     fi
1536 done
1537
1538 check_lib math.h sin -lm
1539
1540 # test for lrintf in math.h
1541 check_exec <<EOF && enable lrintf || disable lrintf
1542 #define _ISOC9X_SOURCE  1
1543 #include <math.h>
1544 int main(void) { return (lrintf(3.999f) > 0)?0:1; }
1545 EOF
1546
1547 enabled_any libamr_nb libamr_wb && enable libamr
1548
1549 # these are off by default, so fail if requested and not available
1550 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1551 enabled liba52     && require liba52 a52dec/a52.h a52_init -la52
1552 enabled libamr_nb  && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1553 enabled libamr_wb  && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1554 enabled libdc1394  && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1555 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1556 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1557 enabled libgsm     && require libgsm gsm.h gsm_create -lgsm
1558 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1559 enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
1560 enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
1561 enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1562 enabled libx264    && require x264 x264.h x264_encoder_open -lx264
1563 enabled libxvid    && require Xvid xvid.h xvid_global -lxvidcore
1564 enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1565
1566 # disable the native AC-3 decoder if liba52 is enabled
1567 enabled liba52 && disable ac3_decoder
1568
1569 _restrict=
1570 for restrict_keyword in restrict __restrict__ __restrict; do
1571     check_cc <<EOF && _restrict=$restrict_keyword && break
1572 void foo(char * $restrict_keyword p);
1573 EOF
1574 done
1575
1576 test "$vhook" = "default" && vhook="$dlopen"
1577
1578 if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
1579     disable vhook
1580     echo
1581     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1582     echo "Patches welcome."
1583     echo
1584 fi
1585
1586 if enabled vhook; then
1587     check_ldflags -rdynamic
1588     check_ldflags -export-dynamic
1589 fi
1590
1591 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1592 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1593
1594 ##########################################
1595 # SDL check
1596
1597 disable sdl_too_old
1598 disable sdl
1599 SDL_CONFIG="${cross_prefix}sdl-config"
1600 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1601     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1602     temp_cflags $sdl_cflags
1603     temp_extralibs `"${SDL_CONFIG}" --libs`
1604     if check_lib SDL.h SDL_Init; then
1605         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1606         if test "$_sdlversion" -lt 121 ; then
1607             enable sdl_too_old
1608         else
1609             enable sdl
1610             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1611 #include <SDL.h>
1612 int main(void){
1613     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1614     int w = vi->current_w;
1615     return 0;
1616 }
1617 EOF
1618         fi
1619     fi
1620     restore_flags
1621 fi
1622
1623 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1624
1625 ##########################################
1626 # Network check
1627
1628 if enabled network; then
1629     # Prefer arpa/inet.h over winsock2
1630     if check_header arpa/inet.h ; then
1631         check_func closesocket
1632     elif check_header winsock2.h ; then
1633         network_extralibs="-lws2_32"
1634         check_func2 winsock2.h closesocket
1635     fi
1636 fi
1637
1638 ##########################################
1639 # IPv6 check
1640
1641 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
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 check_header linux/videodev.h
1656 check_header linux/videodev2.h
1657
1658 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1659 { check_header dev/bktr/ioctl_meteor.h &&
1660   check_header dev/bktr/ioctl_bt848.h; } ||
1661 { check_header machine/ioctl_meteor.h &&
1662   check_header machine/ioctl_bt848.h; } ||
1663 { check_header dev/video/meteor/ioctl_meteor.h &&
1664   check_header dev/video/bktr/ioctl_bt848.h; } ||
1665 check_header dev/ic/bt8xx.h
1666
1667 check_header sys/soundcard.h
1668 check_header soundcard.h
1669
1670 # Deal with the x11 frame grabber
1671 enabled x11grab                         &&
1672 check_header X11/Xlib.h                 &&
1673 check_header X11/extensions/XShm.h      &&
1674 check_func XOpenDisplay -lX11           &&
1675 check_func XShmCreateImage -lX11 -lXext
1676
1677 enabled debug && add_cflags -g
1678
1679 # add some useful compiler flags if supported
1680 check_cflags -Wdeclaration-after-statement
1681 check_cflags -Wall
1682 check_cflags -Wno-switch
1683 check_cflags -Wdisabled-optimization
1684 check_cflags -Wpointer-arith
1685 check_cflags -Wredundant-decls
1686 check_cflags -Wno-pointer-sign
1687 enabled extra_warnings && check_cflags -Winline
1688
1689 # add some linker flags
1690 check_ldflags -Wl,--warn-common
1691 check_ldflags $LDLATEFLAGS
1692
1693 if enabled small; then
1694     check_cflags -Os            # not all compilers support -Os
1695     optimizations="small"
1696 elif enabled optimizations; then
1697     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1698         add_cflags  "-O5"
1699         add_ldflags "-O5"
1700     else
1701         add_cflags "-O3"
1702     fi
1703 fi
1704
1705 # PIC flags for shared library objects where they are needed
1706 if enabled shared; then
1707     # LIBOBJFLAGS may have already been set in the OS configuration
1708     if test -z "$LIBOBJFLAGS" ; then
1709         case "$arch" in
1710             x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS='$(PIC)' ;;
1711         esac
1712     fi
1713 fi
1714
1715 if enabled gprof; then
1716     add_cflags  "-p"
1717     add_ldflags "-p"
1718 fi
1719
1720 VHOOKCFLAGS="-fPIC"
1721
1722 # Find out if the .align argument is a power of two or not.
1723 if test $asmalign_pot = "unknown"; then
1724     disable asmalign_pot
1725     echo 'asm (".align 3");' | check_cc && enable asmalign_pot
1726 fi
1727
1728 enabled_any $ENCODER_LIST  && enable encoders
1729 enabled_any $DECODER_LIST  && enable decoders
1730 enabled_any $MUXER_LIST    && enable muxers
1731 enabled_any $DEMUXER_LIST  && enable demuxers
1732 enabled_any $PROTOCOL_LIST && enable protocols
1733 enabled_any $BSF_LIST      && enable bsfs
1734
1735 enabled_any $THREADS_LIST  && enable threads
1736
1737 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1738     $BSF_LIST $DEMUXER_LIST $MUXER_LIST $PROTOCOL_LIST
1739
1740 enabled libdc1394 && append pkg_requires "libraw1394"
1741 enabled libtheora && append pkg_requires "theora"
1742 enabled libvorbis && append pkg_requires "vorbisenc"
1743
1744 echo "install prefix            $PREFIX"
1745 echo "source path               $source_path"
1746 echo "C compiler                $cc"
1747 echo "make                      $make"
1748 echo ".align is power-of-two    $asmalign_pot"
1749 echo "ARCH                      $arch ($cpu)"
1750 if test "$BUILDSUF" != ""; then
1751     echo "build suffix              $BUILDSUF"
1752 fi
1753 echo "big-endian                ${bigendian-no}"
1754 if test $arch = "x86_32" -o $arch = "x86_64"; then
1755     echo "MMX enabled               ${mmx-no}"
1756     echo "CMOV enabled              ${cmov-no}"
1757     echo "CMOV is fast              ${fast_cmov-no}"
1758     echo "EBX available             ${ebx_available-no}"
1759     echo "EBP available             ${ebp_available-no}"
1760 fi
1761 if test $arch = "armv4l"; then
1762     echo "ARMv5TE enabled           ${armv5te-no}"
1763     echo "ARMv6 enabled             ${armv6-no}"
1764     echo "IWMMXT enabled            ${iwmmxt-no}"
1765 fi
1766 if test $arch = "mips"; then
1767     echo "MMI enabled               ${mmi-no}"
1768 fi
1769 if test $arch = "powerpc"; then
1770     echo "AltiVec enabled           ${altivec-no}"
1771     echo "dcbzl available           ${dcbzl-no}"
1772 fi
1773 echo "gprof enabled             ${gprof-no}"
1774 echo "debug symbols             ${debug-no}"
1775 echo "strip symbols             ${dostrip-no}"
1776 echo "optimizations             ${optimizations-no}"
1777 echo "static                    ${static-no}"
1778 echo "shared                    ${shared-no}"
1779 echo "postprocessing support    ${pp-no}"
1780 echo "software scaler enabled   ${swscaler-no}"
1781 echo "video hooking             ${vhook-no}"
1782 if enabled vhook; then
1783     echo "Imlib2 support            ${imlib2-no}"
1784     echo "FreeType support          ${freetype2-no}"
1785 fi
1786 echo "network support           ${network-no}"
1787 if enabled network; then
1788     echo "IPv6 support              ${ipv6-no}"
1789 fi
1790 echo "threading support         ${thread_type-no}"
1791 echo "SDL support               ${sdl-no}"
1792 if enabled sdl_too_old; then
1793     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1794 fi
1795 echo "Sun medialib support      ${mlib-no}"
1796 echo "AVISynth enabled          ${avisynth-no}"
1797 echo "liba52 support            ${liba52-no}"
1798 echo "liba52 dlopened           ${liba52bin-no}"
1799 echo "libamr-nb support         ${libamr_nb-no}"
1800 echo "libamr-wb support         ${libamr_wb-no}"
1801 echo "libdc1394 support         ${libdc1394-no}"
1802 echo "libfaac enabled           ${libfaac-no}"
1803 echo "libfaad enabled           ${libfaad-no}"
1804 echo "libfaad dlopened          ${libfaadbin-no}"
1805 echo "libgsm enabled            ${libgsm-no}"
1806 echo "libmp3lame enabled        ${libmp3lame-no}"
1807 echo "libnut enabled            ${libnut-no}"
1808 echo "libtheora enabled         ${libtheora-no}"
1809 echo "libvorbis enabled         ${libvorbis-no}"
1810 echo "x264 enabled              ${libx264-no}"
1811 echo "XviD enabled              ${libxvid-no}"
1812 echo "zlib enabled              ${zlib-no}"
1813 enabled gpl &&
1814     echo "License: GPL" ||
1815     echo "License: LGPL"
1816
1817 for type in decoder encoder parser demuxer muxer protocol bsf; do
1818     echo "Enabled ${type}s:"
1819     ucname="\$`toupper $type`_LIST"
1820     list="`eval echo $ucname`"
1821     partlist=""
1822     for part in $list; do
1823         enabled $part && partlist="$partlist $part"
1824     done
1825     partlist=`echo $partlist | sed s/_$type//g | tr ' ' '\n' | sort`
1826     echo $partlist
1827 done
1828
1829 echo "Creating config.mak and config.h..."
1830
1831 echo "# Automatically generated by configure - do not modify!" > config.mak
1832 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1833 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
1834 echo "#define FFMPEG_CONFIG_H" >> $TMPH
1835 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1836
1837 echo "PREFIX=$PREFIX" >> config.mak
1838 echo "prefix=\$(DESTDIR)\$(PREFIX)" >> config.mak
1839 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
1840 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
1841 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
1842 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
1843 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
1844 echo "MAKE=$make" >> config.mak
1845 echo "CC=$cc" >> config.mak
1846 echo "AR=$ar" >> config.mak
1847 echo "RANLIB=$ranlib" >> config.mak
1848 echo "LDCONFIG=$LDCONFIG" >> config.mak
1849 echo "LN_S=$ln_s" >> config.mak
1850 enabled dostrip &&
1851     echo "STRIP=$strip" >> config.mak ||
1852     echo "STRIP=echo ignoring strip" >> config.mak
1853
1854 echo "OPTFLAGS=$CFLAGS" >> config.mak
1855 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1856 echo "LDFLAGS=$LDFLAGS" >> config.mak
1857 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1858 echo "SHFLAGS=$SHFLAGS" >> config.mak
1859 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1860 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1861 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1862 echo "BUILD_STATIC=$static" >> config.mak
1863 echo "BUILDSUF=$BUILDSUF" >> config.mak
1864 echo "FULLNAME=$FULLNAME" >> config.mak
1865 echo "LIBPREF=$LIBPREF" >> config.mak
1866 echo "LIBSUF=$LIBSUF" >> config.mak
1867 echo "LIBNAME=$LIBNAME" >> config.mak
1868 echo "SLIBPREF=$SLIBPREF" >> config.mak
1869 echo "SLIBSUF=$SLIBSUF" >> config.mak
1870 echo "EXESUF=$EXESUF" >> config.mak
1871
1872 if enabled bigendian; then
1873   echo "WORDS_BIGENDIAN=yes" >> config.mak
1874   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1875 fi
1876 if enabled mmx; then
1877   echo "#define __CPU__ 586" >> $TMPH
1878 fi
1879
1880 if enabled sdl; then
1881   echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1882   echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1883 fi
1884 if enabled texi2html; then
1885   echo "BUILD_DOC=yes" >> config.mak
1886 fi
1887
1888 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1889 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1890 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1891 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1892 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1893
1894
1895
1896 if enabled shared; then
1897   echo "BUILD_SHARED=yes" >> config.mak
1898   echo "PIC=-fPIC -DPIC" >> config.mak
1899   echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1900   echo "SPPVERSION=$pp_version" >> config.mak
1901   echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1902   echo "LAVCVERSION=$lavc_version" >> config.mak
1903   echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1904   echo "LAVFVERSION=$lavf_version" >> config.mak
1905   echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1906   echo "LAVUVERSION=$lavu_version" >> config.mak
1907   echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1908   echo "SWSVERSION=$sws_version" >> config.mak
1909   echo "SLIBNAME=${SLIBNAME}" >> config.mak
1910   echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1911   echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1912   echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1913   echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1914   echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
1915 fi
1916 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1917 echo "EXTRALIBS=$extralibs" >> config.mak
1918
1919 print_config ARCH_   $TMPH config.mak $ARCH_LIST
1920 print_config HAVE_   $TMPH config.mak $HAVE_LIST
1921 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST   \
1922                                       $DECODER_LIST  \
1923                                       $ENCODER_LIST  \
1924                                       $PARSER_LIST   \
1925                                       $BSF_LIST      \
1926                                       $DEMUXER_LIST  \
1927                                       $MUXER_LIST    \
1928                                       $PROTOCOL_LIST \
1929
1930 echo "#define restrict $_restrict" >> $TMPH
1931
1932 if enabled small; then
1933   echo "#define av_always_inline"  >> $TMPH
1934 fi
1935
1936 echo "SRC_PATH=\"$source_path\"" >> config.mak
1937 echo "SRC_PATH_BARE=$source_path" >> config.mak
1938 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1939
1940 # Apparently it's not possible to portably echo a backslash.
1941 enabled asmalign_pot &&
1942   printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
1943   printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1944
1945
1946 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
1947
1948 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1949 cmp -s $TMPH config.h &&
1950     echo "config.h is unchanged" ||
1951     mv -f $TMPH config.h
1952
1953 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
1954
1955 # build tree in object directory if source path is different from current one
1956 if enabled source_path_used; then
1957     DIRS="\
1958          doc \
1959          libavcodec \
1960          libavcodec/alpha \
1961          libavcodec/armv4l \
1962          libavcodec/bfin \
1963          libavcodec/i386 \
1964          libavcodec/mlib \
1965          libavcodec/ppc \
1966          libavcodec/sh4 \
1967          libavcodec/sparc \
1968          libavformat \
1969          libavutil \
1970          libpostproc \
1971          libswscale \
1972          tests \
1973          tools \
1974          vhook \
1975          "
1976     FILES="\
1977           Makefile \
1978           common.mak \
1979           doc/texi2pod.pl \
1980           libavcodec/Makefile \
1981           libavformat/Makefile \
1982           libavutil/Makefile \
1983           libpostproc/Makefile \
1984           libswscale/Makefile \
1985           "
1986     for dir in $DIRS ; do
1987             mkdir -p $dir
1988     done
1989     for f in $FILES ; do
1990         $ln_s "$source_path/$f" $f
1991     done
1992 fi
1993
1994
1995 # build pkg-config files
1996 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
1997
1998 pkgconfig_generate(){
1999 name=$1
2000 comment=$2
2001 version=$3
2002 libs=$4
2003 requires=$5
2004 include=$6
2005 cat <<EOF >$name.pc
2006 prefix=$PREFIX
2007 exec_prefix=\${prefix}
2008 libdir=\${exec_prefix}/lib
2009 includedir=\${prefix}/include
2010
2011 Name: $name
2012 Description: $comment
2013 Version: $version
2014 Requires: $requires
2015 Conflicts:
2016 Libs: -L\${libdir} $libs
2017 Cflags: -I\${includedir} -I\${includedir}/$include
2018 EOF
2019 }
2020
2021 pkgconfig_generate_uninstalled(){
2022 name=$1
2023 shortname=${name#lib}
2024 comment=$2
2025 version=$3
2026 libs=$4
2027 requires=$5
2028 cat <<EOF >$name-uninstalled.pc
2029 prefix=
2030 exec_prefix=
2031 libdir=\${pcfiledir}/$name
2032 includedir=\${pcfiledir}/$name
2033
2034 Name: $name
2035 Description: $comment
2036 Version: $version
2037 Requires: $requires
2038 Conflicts:
2039 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2040 Cflags: -I\${includedir}
2041 EOF
2042 }
2043
2044 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2045 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2046
2047 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2048 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2049
2050 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2051 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2052
2053 if enabled pp; then
2054   pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2055   pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2056 fi
2057
2058 if enabled swscaler; then
2059   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2060   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2061 else
2062   pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2063   pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2064   apply libswscale.pc sed s/^Libs:.*$/Libs:/
2065   apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2066 fi