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-nonfree         allow use of nonfree code, the resulting libav*"
  72   echo "                           and ffmpeg will be unredistributable [default=no]"
  73   echo "  --enable-postproc        enable GPLed postprocessing support [default=no]"
  74   echo "  --enable-swscale         software scaler support [default=no]"
  75   echo "  --enable-avfilter        video filter support (replaces vhook) [default=no]"
  76   echo "  --enable-avfilter-lavf   video filters dependant on avformat [default=no]"
  77   echo "  --enable-beosthreads     use BeOS threads [default=no]"
  78   echo "  --enable-os2threads      use OS/2 threads [default=no]"
  79   echo "  --enable-pthreads        use pthreads [default=no]"
  80   echo "  --enable-w32threads      use Win32 threads [default=no]"
  81   echo "  --enable-x11grab         enable X11 grabbing [default=no]"
  82   echo
  83   echo "External library support:"
  84   echo "  --enable-sunmlib         use Sun medialib [default=no]"
  85   echo "  --enable-liba52          enable GPLed liba52 support [default=no]"
  86   echo "  --enable-liba52bin       open liba52.so.0 at runtime [default=no]"
  87   echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"
  88   echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec"
  89   echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec"
  90   echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
  91   echo "                           and libraw1394 [default=no]"
  92   echo "  --enable-libfaac         enable FAAC support via libfaac [default=no]"
  93   echo "  --enable-libfaad         enable FAAD support via libfaad [default=no]"
  94   echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [default=no]"
  95   echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
  96   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no]"
  97   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
  98   echo "                           native demuxer exists [default=no]"
  99   echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
 100   echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
 101   echo "                           native implementation exists [default=no]"
 102   echo "  --enable-libx264         enable H.264 encoding via x264 [default=no]"
 103   echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
 104   echo "                           native MPEG-4/Xvid encoder exists [default=no]"
 105   echo ""
 106   echo "Advanced options (experts only):"
 107   echo "  --source-path=PATH       path to source code [$source_path]"
 108   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 109   echo "  --cross-compile          assume a cross-compiler is used"
 110   echo "  --target-os=OS           compiler targets OS [$targetos]"
 111   echo "  --cc=CC                  use C compiler CC [$cc]"
 112   echo "  --make=MAKE              use specified make [$make]"
 113   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 114   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 115   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 116   echo "  --build-suffix=SUFFIX    suffix for application specific build []"
 117   echo "  --arch=ARCH              select architecture  [$arch]"
 118   echo "  --cpu=CPU                selects the minimum cpu required (affects"
 119   echo "                           instruction selection, may crash on older CPUs)"
 120   echo "  --enable-powerpc-perf    enable performance report on PPC"
 121   echo "                           (requires enabling PMC)"
 122   echo "  --disable-mmx            disable MMX usage"
 123   echo "  --disable-armv5te        disable armv5te usage"
 124   echo "  --disable-armv6          disable armv6 usage"
 125   echo "  --disable-iwmmxt         disable iwmmxt usage"
 126   echo "  --disable-altivec        disable AltiVec usage"
 127   echo "  --disable-network        disable network support [default=no]"
 128   echo "  --disable-ipv6           disable ipv6 support [default=no]"
 129   echo "  --disable-zlib           disable zlib [default=no]"
 130   echo "  --disable-vhook          disable video hooking support"
 131   echo "  --disable-debug          disable debugging symbols"
 132   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 133   echo "                           MPEG audio decoding [default=no]"
 134   echo "  --enable-gray            enable full grayscale support (slower color)"
 135   echo "  --disable-ffmpeg         disable ffmpeg build"
 136   echo "  --disable-ffserver       disable ffserver build"
 137   echo "  --disable-ffplay         disable ffplay build"
 138   echo "  --enable-small           optimize for size instead of speed"
 139   echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
 140   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 141   echo "  --disable-encoder=NAME   disables encoder NAME"
 142   echo "  --enable-encoder=NAME    enables encoder NAME"
 143   echo "  --disable-decoder=NAME   disables decoder NAME"
 144   echo "  --enable-decoder=NAME    enables decoder NAME"
 145   echo "  --disable-encoders       disables all encoders"
 146   echo "  --disable-decoders       disables all decoders"
 147   echo "  --disable-muxer=NAME     disables muxer NAME"
 148   echo "  --enable-muxer=NAME      enables muxer NAME"
 149   echo "  --disable-muxers         disables all muxers"
 150   echo "  --disable-demuxer=NAME   disables demuxer NAME"
 151   echo "  --enable-demuxer=NAME    enables demuxer NAME"
 152   echo "  --disable-demuxers       disables all demuxers"
 153   echo "  --enable-parser=NAME     enables parser NAME"
 154   echo "  --disable-parser=NAME    disables parser NAME"
 155   echo "  --disable-parsers        disables all parsers"
 156   echo "  --enable-bsf=NAME        enables bitstream filter NAME"
 157   echo "  --disable-bsf=NAME       disables bitstream filter NAME"
 158   echo "  --disable-bsfs           disables all bitstream filters"
 159   echo "  --enable-protocol=NAME   enables protocol NAME"
 160   echo "  --disable-protocol=NAME  disables protocol NAME"
 161   echo "  --disable-protocols      disables all protocols"
 162   echo "  --disable-devices        disables all devices"
 163   echo "  --list-decoders          show all available decoders"
 164   echo "  --list-encoders          show all available encoders"
 165   echo "  --list-muxers            show all available muxers"
 166   echo "  --list-demuxers          show all available demuxers"
 167   echo "  --list-parsers           show all available parsers"
 168   echo "  --list-protocols         show all available protocols"
 169   echo "  --list-bsfs              show all available bitstream filters"
 170   echo "  --list-indevs            show all available input devices"
 171   echo "  --list-outdevs           show all available output devices"
 172   echo
 173   echo "Developer options (useful when working on FFmpeg itself):"
 174   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 175   echo "  --disable-optimizations  disable compiler optimizations"
 176   echo "  --enable-extra-warnings  enable more compiler warnings"
 177   echo "  --disable-strip          disable stripping of executables and shared libraries"
 178   echo ""
 179   echo "NOTE: Object files are built at the place where configure is launched."
 180   exit 1
 181 }
 182
 183 log(){
 184     echo "$@" >>$logfile
 185 }
 186
 187 log_file(){
 188     log BEGIN $1
 189     pr -n -t $1 >>$logfile
 190     log END $1
 191 }
 192
 193 echolog(){
 194     log "$@"
 195     echo "$@"
 196 }
 197
 198 die(){
 199     echolog "$@"
 200     cat <<EOF
 201 If you think configure made a mistake, make sure you are using the latest
 202 version from SVN.  If the latest version fails, report the problem to the
 203 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 204 EOF
 205     if enabled logging; then
 206         cat <<EOF
 207 Include the log file "$logfile" produced by configure as this will help
 208 solving the problem.
 209 EOF
 210     else
 211 cat <<EOF
 212 Rerun configure with logging enabled (do not use --log=no), and include the
 213 log this produces with your report.
 214 EOF
 215     fi
 216     rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
 217     exit 1
 218 }
 219
 220 # Avoid locale weirdness, besides we really just want to translate ASCII.
 221 toupper(){
 222     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 223 }
 224
 225 tolower(){
 226     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 227 }
 228
 229 set_all(){
 230     value=$1
 231     shift
 232     for var in $*; do
 233         eval $var=$value
 234     done
 235 }
 236
 237 pushvar(){
 238     for var in $*; do
 239         eval level=\${${var}_level:=0}
 240         eval ${var}_${level}="\$$var"
 241         eval ${var}_level=$(($level+1))
 242     done
 243 }
 244
 245 popvar(){
 246     for var in $*; do
 247         eval level=\${${var}_level:-0}
 248         test $level = 0 && continue
 249         eval level=$(($level-1))
 250         eval $var="\${${var}_${level}}"
 251         eval ${var}_level=$level
 252         eval unset ${var}_${level}
 253     done
 254 }
 255
 256 enable(){
 257     set_all yes $*
 258 }
 259
 260 disable(){
 261     set_all no $*
 262 }
 263
 264 enabled(){
 265     eval test "x\$$1" = "xyes"
 266 }
 267
 268 disabled(){
 269     eval test "x\$$1" = "xno"
 270 }
 271
 272 enabled_all(){
 273     for opt; do
 274         enabled $opt || return 1
 275     done
 276 }
 277
 278 disabled_all(){
 279     for opt; do
 280         disabled $opt || return 1
 281     done
 282 }
 283
 284 enabled_any(){
 285     for opt; do
 286         enabled $opt && return 0
 287     done
 288 }
 289
 290 disabled_any(){
 291     for opt; do
 292         disabled $opt && return 0
 293     done
 294 }
 295
 296 is_in(){
 297     value=$1
 298     shift
 299     for var in $*; do
 300         [ $var = $value ] && return 0
 301     done
 302     return 1
 303 }
 304
 305 check_deps(){
 306     for cfg; do
 307         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 308         disabled ${cfg}_checking && continue
 309         enable ${cfg}_checking
 310
 311         eval dep_all="\$${cfg}_deps"
 312         eval dep_any="\$${cfg}_deps_any"
 313
 314         pushvar cfg dep_all dep_any
 315         check_deps $dep_all $dep_any
 316         popvar cfg dep_all dep_any
 317
 318         enabled_all $dep_all || disable $cfg
 319         enabled_any $dep_any || disable $cfg
 320
 321         if enabled $cfg; then
 322             eval dep_extralibs="\$${cfg}_extralibs"
 323             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 324         fi
 325
 326         disable ${cfg}_checking
 327     done
 328 }
 329
 330 print_config(){
 331     pfx=$1
 332     header=$2
 333     makefile=$3
 334     shift 3
 335     for cfg; do
 336         ucname="`toupper $cfg`"
 337         if enabled $cfg; then
 338             echo "#define ${pfx}${ucname} 1" >> $header
 339             echo "#define ENABLE_${ucname} 1" >> $header
 340             echo "${pfx}${ucname}=yes" >> $makefile
 341         else
 342             echo "#define ENABLE_${ucname} 0" >> $header
 343         fi
 344     done
 345 }
 346
 347 flags_saved(){
 348     (: ${SAVE_CFLAGS?}) 2>/dev/null
 349 }
 350
 351 save_flags(){
 352     flags_saved && return
 353     SAVE_CFLAGS="$CFLAGS"
 354     SAVE_LDFLAGS="$LDFLAGS"
 355     SAVE_extralibs="$extralibs"
 356 }
 357
 358 restore_flags(){
 359     flags_saved || return
 360     CFLAGS="$SAVE_CFLAGS"
 361     LDFLAGS="$SAVE_LDFLAGS"
 362     extralibs="$SAVE_extralibs"
 363     unset SAVE_CFLAGS
 364     unset SAVE_LDFLAGS
 365     unset SAVE_extralibs
 366 }
 367
 368 temp_cflags(){
 369     save_flags
 370     CFLAGS="$CFLAGS $*"
 371 }
 372
 373 temp_ldflags(){
 374     save_flags
 375     LDFLAGS="$LDFLAGS $*"
 376 }
 377
 378 temp_extralibs(){
 379     save_flags
 380     extralibs="$extralibs $*"
 381 }
 382
 383 append(){
 384     var=$1
 385     shift
 386     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 387     eval "$var=\"\$$var $*\""
 388 }
 389
 390 add_cflags(){
 391     append CFLAGS "$@"
 392 }
 393
 394 add_ldflags(){
 395     append LDFLAGS "$@"
 396 }
 397
 398 add_extralibs(){
 399     append extralibs "$@"
 400 }
 401
 402 check_cmd(){
 403     log "$@"
 404     "$@" >>$logfile 2>&1
 405 }
 406
 407 check_cc(){
 408     log check_cc "$@"
 409     cat >$TMPC
 410     log_file $TMPC
 411     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 412 }
 413
 414 check_cpp(){
 415     log check_cpp "$@"
 416     cat >$TMPC
 417     log_file $TMPC
 418     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 419 }
 420
 421 check_asm(){
 422     log check_asm "$@"
 423     name="$1"
 424     asm="$2"
 425     shift 2
 426     check_cc "$@" <<EOF && enable $name || disable $name
 427 int foo(void){
 428     asm volatile($asm);
 429 }
 430 EOF
 431 }
 432
 433 check_ld(){
 434     log check_ld "$@"
 435     check_cc || return
 436     flags=''
 437     libs=''
 438     for f; do
 439         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 440     done
 441     check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 442 }
 443
 444 check_cflags(){
 445     log check_cflags "$@"
 446     check_cc "$@" <<EOF && add_cflags "$@"
 447 int x;
 448 EOF
 449 }
 450
 451 check_ldflags(){
 452     log check_ldflags "$@"
 453     check_ld "$@" <<EOF && add_ldflags "$@"
 454 int main(void){
 455     return 0;
 456 }
 457 EOF
 458 }
 459
 460 check_header(){
 461     log check_header "$@"
 462     header=$1
 463     shift
 464     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 465     disable $var
 466     check_cpp "$@" <<EOF && enable $var
 467 #include <$header>
 468 int x;
 469 EOF
 470 }
 471
 472 check_func(){
 473     log check_func "$@"
 474     func=$1
 475     shift
 476     disable $func
 477     check_ld "$@" <<EOF && enable $func
 478 extern int $func();
 479 int main(void){
 480     $func();
 481 }
 482 EOF
 483 }
 484
 485 check_func2(){
 486     log check_func2 "$@"
 487     headers=$1
 488     func=$2
 489     shift 2
 490     disable $func
 491     incs=""
 492     for hdr in $headers; do
 493         incs="$incs
 494 #include <$hdr>"
 495     done
 496     check_ld "$@" <<EOF && enable $func
 497 $incs
 498 int main(int argc, char **argv){
 499     (void) $func;
 500     return 0;
 501 }
 502 EOF
 503 }
 504
 505 check_lib(){
 506     log check_lib "$@"
 507     header="$1"
 508     func="$2"
 509     shift 2
 510     temp_extralibs "$@"
 511     check_header $header && check_func $func && add_extralibs "$@"
 512     err=$?
 513     restore_flags
 514     return $err
 515 }
 516
 517 check_lib2(){
 518     log check_lib2 "$@"
 519     headers="$1"
 520     func="$2"
 521     shift 2
 522     temp_extralibs "$@"
 523     check_func2 "$headers" $func && add_extralibs "$@"
 524     err=$?
 525     restore_flags
 526     return $err
 527 }
 528
 529 check_exec(){
 530     check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
 531 }
 532
 533 check_exec_crash(){
 534     code=`cat`
 535
 536     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 537     # are safe but may not be available everywhere.  Thus we use
 538     # raise(SIGTERM) instead.  The check is run in a subshell so we
 539     # can redirect the "Terminated" message from the shell.  SIGBUS
 540     # is not defined by standard C so it is used conditionally.
 541
 542     (check_exec "$@") >>$logfile 2>&1 <<EOF
 543 #include <signal.h>
 544 static void sighandler(int sig){
 545     raise(SIGTERM);
 546 }
 547 int main(void){
 548     signal(SIGILL, sighandler);
 549     signal(SIGFPE, sighandler);
 550     signal(SIGSEGV, sighandler);
 551 #ifdef SIGBUS
 552     signal(SIGBUS, sighandler);
 553 #endif
 554     { $code }
 555 }
 556 EOF
 557 }
 558
 559 check_type(){
 560     log check_type "$@"
 561     headers=$1
 562     type=$2
 563     shift 2
 564     disable $type
 565     incs=""
 566     for hdr in $headers; do
 567         incs="$incs
 568 #include <$hdr>"
 569     done
 570     check_cc "$@" <<EOF && enable $type
 571 $incs
 572 $type v;
 573 EOF
 574 }
 575
 576 require(){
 577     name="$1"
 578     header="$2"
 579     func="$3"
 580     shift 3
 581     check_lib $header $func "$@" || die "ERROR: $name not found"
 582 }
 583
 584 require2(){
 585     name="$1"
 586     headers="$2"
 587     func="$3"
 588     shift 3
 589     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 590 }
 591
 592 check_foo_config(){
 593     cfg=$1
 594     pkg=$2
 595     header=$3
 596     func=$4
 597     shift 4
 598     disable $cfg
 599     check_cmd ${pkg}-config --version
 600     err=$?
 601     if test "$err" = 0; then
 602         temp_cflags `${pkg}-config --cflags`
 603         temp_extralibs `${pkg}-config --libs`
 604         check_lib "$@" $header $func && enable $cfg
 605     fi
 606     return $err
 607 }
 608
 609 apply(){
 610     file=$1
 611     shift
 612     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 613 }
 614
 615 COMPONENT_LIST="
 616     bsfs
 617     decoders
 618     demuxers
 619     encoders
 620     filters
 621     indevs
 622     muxers
 623     outdevs
 624     parsers
 625     protocols
 626 "
 627
 628 CONFIG_LIST="
 629     $COMPONENT_LIST
 630     avfilter
 631     avfilter_lavf
 632     avisynth
 633     beos_netserver
 634     ffmpeg
 635     ffplay
 636     ffserver
 637     gpl
 638     gprof
 639     gray
 640     hardcoded_tables
 641     ipv6
 642     liba52
 643     liba52bin
 644     libamr_nb
 645     libamr_wb
 646     libdc1394
 647     libfaac
 648     libfaad
 649     libfaadbin
 650     libgsm
 651     libmp3lame
 652     libnut
 653     libtheora
 654     libvorbis
 655     libx264
 656     libxvid
 657     memalign_hack
 658     mpegaudio_hp
 659     network
 660     nonfree
 661     postproc
 662     powerpc_perf
 663     small
 664     swscale
 665     vhook
 666     x11grab
 667     zlib
 668 "
 669
 670 THREADS_LIST='
 671     beosthreads
 672     os2threads
 673     pthreads
 674     w32threads
 675 '
 676
 677 ARCH_LIST='
 678     alpha
 679     armv4l
 680     bfin
 681     ia64
 682     m68k
 683     mips
 684     parisc
 685     powerpc
 686     s390
 687     sh4
 688     sparc
 689     sparc64
 690     x86
 691     x86_32
 692     x86_64
 693 '
 694
 695 ARCH_EXT_LIST='
 696     altivec
 697     armv5te
 698     armv6
 699     iwmmxt
 700     mmi
 701     mmx
 702     ssse3
 703     vis
 704 '
 705
 706 HAVE_LIST="
 707     $ARCH_EXT_LIST
 708     $THREADS_LIST
 709     altivec_h
 710     arpa_inet_h
 711     bswap
 712     byteswap_h
 713     closesocket
 714     cmov
 715     conio_h
 716     dcbzl
 717     dev_bktr_ioctl_bt848_h
 718     dev_bktr_ioctl_meteor_h
 719     dev_ic_bt8xx_h
 720     dev_video_meteor_ioctl_meteor_h
 721     dev_video_bktr_ioctl_bt848_h
 722     dlfcn_h
 723     dlopen
 724     ebp_available
 725     ebx_available
 726     fast_64bit
 727     fast_cmov
 728     fast_unaligned
 729     fork
 730     freetype2
 731     gethrtime
 732     GetProcessTimes
 733     getrusage
 734     imlib2
 735     inet_aton
 736     inline_asm
 737     libdc1394_1
 738     libdc1394_2
 739     llrint
 740     lrint
 741     lrintf
 742     machine_ioctl_bt848_h
 743     machine_ioctl_meteor_h
 744     malloc_h
 745     memalign
 746     mkstemp
 747     mlib
 748     ppc64
 749     round
 750     roundf
 751     sdl
 752     sdl_video_size
 753     socklen_t
 754     soundcard_h
 755     poll_h
 756     sys_select_h
 757     sys_soundcard_h
 758     termios_h
 759     threads
 760     winsock2_h
 761 "
 762
 763 CMDLINE_SELECT="
 764     $ARCH_EXT_LIST
 765     $CONFIG_LIST
 766     $THREADS_LIST
 767     debug
 768     extra_warnings
 769     optimizations
 770     shared
 771     static
 772 "
 773
 774 # code dependency declarations
 775
 776 # architecture extensions
 777 altivec_deps="powerpc"
 778 armv5te_deps="armv4l"
 779 armv6_deps="armv4l"
 780 iwmmxt_deps="armv4l"
 781 mmi_deps="mips"
 782 mmx_deps="x86"
 783 ssse3_deps="x86"
 784 vis_deps="sparc"
 785
 786 # decoders / encoders
 787 ac3_decoder_deps="gpl"
 788 dxa_decoder_deps="zlib"
 789 flashsv_decoder_deps="zlib"
 790 flashsv_encoder_deps="zlib"
 791 mpeg_xvmc_decoder_deps="xvmc"
 792 png_decoder_deps="zlib"
 793 png_encoder_deps="zlib"
 794 zmbv_decoder_deps="zlib"
 795 zmbv_encoder_deps="zlib"
 796
 797 # external libraries
 798 liba52_decoder_deps="liba52"
 799 liba52bin_decoder_extralibs='$ldl'
 800 libamr_nb_decoder_deps="libamr_nb"
 801 libamr_nb_encoder_deps="libamr_nb"
 802 libamr_wb_decoder_deps="libamr_wb"
 803 libamr_wb_encoder_deps="libamr_wb"
 804 libfaac_encoder_deps="libfaac"
 805 libfaad_decoder_deps="libfaad"
 806 libfaadbin_decoder_extralibs='$ldl'
 807 libgsm_decoder_deps="libgsm"
 808 libgsm_encoder_deps="libgsm"
 809 libgsm_ms_decoder_deps="libgsm"
 810 libgsm_ms_encoder_deps="libgsm"
 811 libmp3lame_encoder_deps="libmp3lame"
 812 libtheora_encoder_deps="libtheora"
 813 libvorbis_encoder_deps="libvorbis"
 814 libx264_encoder_deps="libx264"
 815 libxvid_encoder_deps="libxvid"
 816 mpeg4aac_decoder_deps="libfaad"
 817
 818 # demuxers / muxers
 819 ac3_demuxer_deps="ac3_parser"
 820 audio_beos_demuxer_deps="audio_beos"
 821 audio_beos_demuxer_extralibs="-lmedia -lbe"
 822 audio_beos_muxer_deps="audio_beos"
 823 audio_beos_muxer_extralibs="-lmedia -lbe"
 824 avisynth_demuxer_deps="avisynth"
 825 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
 826 dv1394_demuxer_deps="dv1394 dv_demuxer"
 827 libdc1394_demuxer_deps="libdc1394"
 828 libnut_demuxer_deps="libnut"
 829 libnut_muxer_deps="libnut"
 830 mp3_demuxer_deps="mpegaudio_parser"
 831 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
 832 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
 833 redir_demuxer_deps="network"
 834 rtp_muxer_deps="network rtp_protocol"
 835 rtsp_demuxer_deps="sdp_demuxer"
 836 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
 837 v4l2_demuxer_deps="linux_videodev2_h"
 838 v4l_demuxer_deps="linux_videodev_h"
 839 vfwcap_demuxer_deps="capCreateCaptureWindow"
 840 vfwcap_demuxer_extralibs="-lvfw32"
 841 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
 842 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
 843
 844 # protocols
 845 http_protocol_deps="network"
 846 rtp_protocol_deps="udp_protocol"
 847 tcp_protocol_deps="network"
 848 udp_protocol_deps="network"
 849
 850 # filters
 851 movie_filter_deps="avfilter_lavf"
 852
 853 # programs
 854 ffplay_deps="sdl"
 855 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
 856 ffserver_extralibs='$ldl'
 857 vhook_extralibs='$ldl'
 858
 859
 860 # set temporary file name
 861 if test ! -z "$TMPDIR" ; then
 862     TMPDIR1="${TMPDIR}"
 863 elif test ! -z "$TEMPDIR" ; then
 864     TMPDIR1="${TEMPDIR}"
 865 else
 866     TMPDIR1="/tmp"
 867 fi
 868
 869 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
 870 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
 871 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
 872 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
 873 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
 874
 875 # default parameters
 876
 877 enable logging
 878 logfile="config.err"
 879
 880 # installation paths
 881 PREFIX="/usr/local"
 882 libdir='$(PREFIX)/lib'
 883 shlibdir="$libdir"
 884 incdir='$(PREFIX)/include'
 885 mandir='$(PREFIX)/share/man'
 886 bindir='$(PREFIX)/bin'
 887
 888 # toolchain
 889 cc="gcc"
 890 ar="ar"
 891 ranlib="ranlib"
 892 make="make"
 893 strip="strip"
 894 asmalign_pot="unknown"
 895 ln_s="ln -sf"
 896
 897 # machine
 898 arch=`uname -m`
 899 cpu="generic"
 900
 901 # OS
 902 targetos=$(tolower $(uname -s))
 903
 904 # libraries
 905 enable zlib
 906
 907 # configurable options
 908 enable debug
 909 enable dostrip
 910 enable ffmpeg
 911 enable ffplay
 912 enable ffserver
 913 enable ipv6
 914 enable static
 915 enable mpegaudio_hp
 916 enable network
 917 enable optimizations
 918 enable protocols
 919 vhook="default"
 920
 921 # build settings
 922 SHFLAGS='-shared -Wl,-soname,$@'
 923 VHOOKSHFLAGS='$(SHFLAGS)'
 924 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
 925 FFSERVERLDFLAGS=-Wl,-E
 926 LIBPREF="lib"
 927 LIBSUF=".a"
 928 FULLNAME='$(NAME)$(BUILDSUF)'
 929 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
 930 SLIBPREF="lib"
 931 SLIBSUF=".so"
 932 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
 933 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
 934 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
 935 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
 936
 937 # find source path
 938 source_path="`dirname \"$0\"`"
 939 enable source_path_used
 940 if test -z "$source_path" -o "$source_path" = "." ; then
 941     source_path="`pwd`"
 942     disable source_path_used
 943 else
 944     source_path="`cd \"$source_path\"; pwd`"
 945     echo "$source_path" | grep -q '[[:blank:]]' &&
 946         die "Out of tree builds are impossible with whitespace in source path."
 947 fi
 948
 949 FFMPEG_CONFIGURATION="$@"
 950
 951 find_things(){
 952     thing=$1
 953     pattern=$2
 954     file=$source_path/$3
 955     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
 956 }
 957
 958 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
 959 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
 960 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
 961 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
 962 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
 963 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
 964 OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
 965 INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
 966 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
 967 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
 968
 969 enable $ARCH_EXT_LIST \
 970        $DECODER_LIST \
 971        $ENCODER_LIST \
 972        $PARSER_LIST \
 973        $BSF_LIST \
 974        $DEMUXER_LIST \
 975        $MUXER_LIST \
 976        $FILTER_LIST \
 977        $PROTOCOL_LIST \
 978        $INDEV_LIST \
 979        $OUTDEV_LIST \
 980
 981 die_unknown(){
 982     echo "Unknown option \"$1\"."
 983     echo "See $0 --help for available options."
 984     exit 1
 985 }
 986
 987 show_list() {
 988     suffix=_$1
 989     shift
 990     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
 991     exit 0
 992 }
 993
 994 for opt do
 995     optval="${opt#*=}"
 996     case "$opt" in
 997     --log)
 998     ;;
 999     --log=*) logging="$optval"
1000     ;;
1001     --prefix=*) PREFIX="$optval"
1002     ;;
1003     --libdir=*) libdir="$optval"
1004     ;;
1005     --shlibdir=*) shlibdir="$optval"
1006     ;;
1007     --incdir=*) incdir="$optval"
1008     ;;
1009     --mandir=*) mandir="$optval"
1010     ;;
1011     --source-path=*) source_path="$optval"
1012     ;;
1013     --cross-prefix=*) cross_prefix="$optval"
1014     ;;
1015     --cross-compile) enable cross_compile
1016     ;;
1017     --target-os=*) targetos="$optval"
1018     ;;
1019     --cc=*) cc="$optval"
1020     ;;
1021     --make=*) make="$optval"
1022     ;;
1023     --extra-cflags=*) add_cflags "$optval"
1024     ;;
1025     --extra-ldflags=*) add_ldflags "$optval"
1026     ;;
1027     --extra-libs=*) add_extralibs "$optval"
1028     ;;
1029     --build-suffix=*) BUILDSUF="$optval"
1030     ;;
1031     --arch=*) arch="$optval"
1032     ;;
1033     --cpu=*) cpu="$optval"
1034     ;;
1035     --enable-sunmlib) enable mlib
1036     ;;
1037     --disable-strip) disable dostrip
1038     ;;
1039     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1040     ;;
1041     --enable-debug=*) debuglevel="$optval"
1042     ;;
1043     --enable-*=*|--disable-*=*)
1044     eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1045     case "$thing" in
1046         encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1047         *) die_unknown "$opt" ;;
1048     esac
1049     ;;
1050     --enable-?*|--disable-?*)
1051     eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1052     if is_in $option $COMPONENT_LIST; then
1053         eval $action \$$(toupper ${option%s})_LIST
1054     elif is_in $option $CMDLINE_SELECT; then
1055         $action $option
1056     else
1057         die_unknown $opt
1058     fi
1059     ;;
1060     --list-*)
1061         NAME="${opt#--list-}"
1062         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1063         NAME=${NAME%s}
1064         eval show_list $NAME \$$(toupper $NAME)_LIST
1065     ;;
1066     --help|-h) show_help
1067     ;;
1068     *)
1069     die_unknown $opt
1070     ;;
1071     esac
1072 done
1073
1074 case "$arch" in
1075     i386|i486|i586|i686|i86pc|BePC)
1076         arch="x86_32"
1077         enable fast_unaligned
1078     ;;
1079     x86_64|amd64)
1080         arch="x86_32"
1081         enable fast_unaligned
1082         canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
1083         if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
1084             if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
1085                 arch="x86_64"
1086                 enable fast_64bit
1087             fi
1088         fi
1089     ;;
1090     # armv4l is a subset of armv[567]*l
1091     arm|armv[4567]*l)
1092         arch="armv4l"
1093     ;;
1094     alpha)
1095         arch="alpha"
1096         enable fast_64bit
1097     ;;
1098     "Power Macintosh"|ppc|powerpc)
1099         arch="powerpc"
1100     ;;
1101     ppc64)
1102         arch="powerpc"
1103         enable fast_64bit
1104     ;;
1105     mips|mipsel|IP*)
1106         arch="mips"
1107     ;;
1108     sun4u|sparc64)
1109         arch="sparc64"
1110         enable fast_64bit
1111     ;;
1112     sparc)
1113         arch="sparc"
1114     ;;
1115     sh4)
1116         arch="sh4"
1117     ;;
1118     parisc)
1119         arch="parisc"
1120     ;;
1121     parisc64)
1122         arch="parisc"
1123         enable fast_64bit
1124     ;;
1125     s390|s390x)
1126         arch="s390"
1127     ;;
1128     m68k)
1129         arch="m68k"
1130     ;;
1131     ia64)
1132         arch="ia64"
1133         enable fast_64bit
1134     ;;
1135     bfin)
1136         arch="bfin"
1137     ;;
1138     *)
1139         arch="unknown"
1140     ;;
1141 esac
1142
1143 enable $arch
1144 enabled_any x86_32 x86_64 && enable x86
1145 enabled     sparc64       && enable sparc
1146
1147 # OS specific
1148 case $targetos in
1149     beos|haiku|zeta)
1150         PREFIX="$HOME/config"
1151         # helps building libavcodec
1152         add_cflags "-DPIC -fomit-frame-pointer"
1153         # 3 gcc releases known for BeOS, each with ugly bugs
1154         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1155         case "$gcc_version" in
1156           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1157             disable mmx
1158             ;;
1159           *20010315*) echo "BeBits gcc"
1160             add_cflags "-fno-expensive-optimizations"
1161             ;;
1162         esac
1163         SHFLAGS=-nostart
1164         # enable BeOS things
1165         enable audio_beos
1166         # no need for libm, but the inet stuff
1167         # Check for BONE
1168         # XXX: actually should check for NOT net_server
1169         if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1170             network_extralibs="-lbind -lsocket"
1171         else
1172             enable beos_netserver
1173             network_extralibs="-lnet"
1174         fi ;;
1175     sunos)
1176         FFSERVERLDFLAGS=""
1177         SHFLAGS='-shared -Wl,-h,$@'
1178         network_extralibs="-lsocket -lnsl"
1179         ;;
1180     netbsd)
1181         oss_demuxer_extralibs="-lossaudio"
1182         oss_muxer_extralibs="-lossaudio"
1183         ;;
1184     openbsd)
1185         disable need_memalign
1186         LIBOBJFLAGS='$(PIC)'
1187         SHFLAGS='-shared'
1188         SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1189         SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1190         SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1191         oss_demuxer_extralibs="-lossaudio"
1192         oss_muxer_extralibs="-lossaudio"
1193         ;;
1194     freebsd)
1195         disable need_memalign
1196         ;;
1197     bsd/os)
1198         osextralibs="-lpoll -lgnugetopt"
1199         strip="strip -d"
1200         ;;
1201     darwin)
1202         disable need_memalign
1203         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(SPPVERSION),-compatibility_version,$(SPPVERSION) -Wl,-read_only_relocs,suppress'
1204         VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$@'
1205         strip="strip -x"
1206         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1207         SLIBSUF=".dylib"
1208         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1209         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1210         FFSERVERLDFLAGS=-Wl,-bind_at_load
1211         ;;
1212     mingw32*)
1213         targetos=mingw32
1214         shlibdir="$bindir"
1215         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1216         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1217         if enabled swscale; then
1218             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1219             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1220         fi
1221         disable ffserver
1222         SLIBPREF=""
1223         SLIBSUF=".dll"
1224         EXESUF=".exe"
1225         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1226         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1227         SLIB_EXTRA_CMD='-lib /machine:i386 /def:$(@:$(SLIBSUF)=.def)'
1228         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1229         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1230         SHFLAGS='-shared -Wl,--output-def,$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1231         ;;
1232     cygwin*)
1233         targetos=cygwin
1234         shlibdir="$bindir"
1235         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1236         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1237         if enabled swscale; then
1238             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1239             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1240         fi
1241         EXESUF=".exe"
1242         SLIBPREF="cyg"
1243         SLIBSUF=".dll"
1244         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1245         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1246         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1247         ;;
1248     *-dos|freedos|opendos)
1249         disable ffplay ffserver vhook
1250         disable $INDEV_LIST $OUTDEV_LIST
1251         network_extralibs="-lsocket"
1252         EXESUF=".exe"
1253         ;;
1254     linux)
1255         LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1256         enable dv1394
1257         ;;
1258     irix*)
1259         targetos=irix
1260         ranlib="echo ignoring ranlib"
1261         ;;
1262     os/2*)
1263         ar="emxomfar -p256"
1264         ranlib="echo ignoring ranlib"
1265         strip="lxlite"
1266         ln_s="cp -f"
1267         add_cflags "-Zomf"
1268         EXESUF=".exe"
1269         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1270         SHFLAGS='$(NAME).def -Zdll -Zomf'
1271         FFSERVERLDFLAGS=""
1272         LIBSUF="_s.lib"
1273         SLIBPREF=""
1274         SLIBSUF=".dll"
1275         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1276         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1277         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(NAME).def; \
1278           echo PROTMODE >> $(NAME).def; \
1279           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(NAME).def; \
1280           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(NAME).def; \
1281           echo EXPORTS >> $(NAME).def; \
1282           emxexp -o $(OBJS) >> $(NAME).def'
1283         SLIB_EXTRA_CMD='emximp -o $(LIBPREF)$(NAME)_dll.a $(NAME).def; \
1284           emximp -o $(LIBPREF)$(NAME)_dll.lib $(NAME).def;'
1285         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1286         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1287         disable vhook
1288         ;;
1289     interix)
1290         disable vhook
1291         ;;
1292
1293     *)
1294         targetos="${targetos}-UNKNOWN"
1295         ;;
1296 esac
1297
1298 add_extralibs $osextralibs
1299
1300 if ! disabled logging ; then
1301     enabled logging || logfile="$logging"
1302     echo "# $0 $@" >$logfile
1303     set >>$logfile
1304 else
1305     logfile=/dev/null
1306 fi
1307
1308 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1309 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1310
1311 test -n "$cross_prefix" && enable cross_compile
1312 cc="${cross_prefix}${cc}"
1313 ar="${cross_prefix}${ar}"
1314 ranlib="${cross_prefix}${ranlib}"
1315 strip="${cross_prefix}${strip}"
1316
1317 # we need to build at least one lib type
1318 if ! enabled_any static shared; then
1319     cat <<EOF
1320 At least one library type must be built.
1321 Specify --enable-static to build the static libraries or --enable-shared to
1322 build the shared libraries as well. To only build the shared libraries specify
1323 --disable-static in addition to --enable-shared.
1324 EOF
1325     exit 1;
1326 fi
1327
1328 disabled static && LIBNAME=""
1329
1330 if enabled_any libfaad libfaadbin ; then
1331     if check_header faad.h; then
1332         check_cc << EOF
1333 #include <faad.h>
1334 #ifndef FAAD2_VERSION
1335 ok faad1
1336 #endif
1337 int main(void) { return 0; }
1338 EOF
1339         test $? = 0 && enable libfaad2
1340     else
1341         die "FAAD test failed."
1342     fi
1343 fi
1344
1345
1346 if ! enabled gpl; then
1347     die_gpl_disabled(){
1348         name=$1
1349         shift
1350         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1351     }
1352     die_gpl_disabled "The Postprocessing code" postproc
1353     die_gpl_disabled "liba52"                  liba52
1354     die_gpl_disabled "libx264"                 libx264
1355     die_gpl_disabled "libxvidcore"             libxvid
1356     die_gpl_disabled "FAAD2"                   libfaad2
1357     die_gpl_disabled "The X11 grabber"         x11grab
1358     die_gpl_disabled "The software scaler"     swscale
1359 fi
1360
1361 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1362     die "libamr is nonfree and --enable-nonfree is not specified."
1363 fi
1364
1365 check_deps $ARCH_EXT_LIST
1366
1367 test -z "$need_memalign" && need_memalign="$mmx"
1368
1369 #Darwin CC versions
1370 if test $targetos = darwin; then
1371     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1372         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1373     else
1374         add_cflags "-pipe"
1375         check_cflags "-force_cpusubtype_ALL"
1376         check_cflags "-Wno-sign-compare"
1377         disabled shared && add_cflags -mdynamic-no-pic
1378     fi
1379 fi
1380
1381 disabled optimizations || add_cflags -fomit-frame-pointer
1382
1383 # Add processor-specific flags
1384 if test $cpu != "generic"; then
1385     warn_altivec(){
1386         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1387     }
1388     case $cpu in
1389         601|ppc601|PowerPC601)
1390             add_cflags "-mcpu=601"
1391             warn_altivec enabled PPC601
1392         ;;
1393         603*|ppc603*|PowerPC603*)
1394             add_cflags "-mcpu=603"
1395             warn_altivec enabled PPC603
1396         ;;
1397         604*|ppc604*|PowerPC604*)
1398             add_cflags "-mcpu=604"
1399             warn_altivec enabled PPC604
1400         ;;
1401         G3|g3|75*|ppc75*|PowerPC75*)
1402             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1403             warn_altivec enabled PPC75x
1404         ;;
1405         G4|g4|745*|ppc745*|PowerPC745*)
1406             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1407             warn_altivec disabled PPC745x
1408         ;;
1409         74*|ppc74*|PowerPC74*)
1410             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1411             warn_altivec disabled PPC74xx
1412         ;;
1413         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1414             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1415             warn_altivec disabled PPC970
1416             enable ppc64
1417         ;;
1418         Cell|CELL|cell)
1419             add_cflags "-mcpu=cell"
1420             warn_altivec disabled Cell
1421             enable ppc64
1422         ;;
1423         # targets that do NOT support conditional mov (cmov)
1424         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1425             add_cflags "-march=$cpu"
1426             disable cmov
1427         ;;
1428         # targets that do support conditional mov (cmov)
1429         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1430             add_cflags "-march=$cpu"
1431             enable cmov
1432             enable fast_cmov
1433         ;;
1434         # targets that do support conditional mov but on which it's slow
1435         pentium4|pentium4m|prescott|nocona)
1436             add_cflags "-march=$cpu"
1437             enable cmov
1438             disable fast_cmov
1439         ;;
1440         sparc64)
1441             add_cflags "-mcpu=v9"
1442         ;;
1443         arm*)
1444             add_cflags "-mcpu=$cpu"
1445         ;;
1446         *)
1447             echo "WARNING: Unknown CPU \"$cpu\", ignored."
1448         ;;
1449     esac
1450 fi
1451
1452 gnu_make(){
1453     $1 --version 2>&1 | grep -q GNU
1454 }
1455
1456 if ! gnu_make $make; then
1457     gnu_make gmake && make=gmake || die "GNU make not found."
1458 fi
1459
1460 # make sure we can execute files in $TMPDIR
1461 cat >$TMPE 2>>$logfile <<EOF
1462 #! /bin/sh
1463 EOF
1464 chmod +x $TMPE >>$logfile 2>&1
1465 if ! $TMPE >>$logfile 2>&1; then
1466     cat <<EOF
1467 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1468 variable to another directory and make sure that $TMPDIR1 is not mounted
1469 noexec.
1470 EOF
1471     die "Sanity test failed."
1472 fi
1473 rm $TMPE
1474
1475 # compiler sanity check
1476 check_exec <<EOF
1477 int main(void){
1478     return 0;
1479 }
1480 EOF
1481 if test "$?" != 0; then
1482     echo "$cc is unable to create an executable file."
1483     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1484         echo "If $cc is a cross-compiler, use the --cross-compile option."
1485         echo "Only do this if you know what cross compiling means."
1486     fi
1487     die "C compiler test failed."
1488 fi
1489
1490 check_asm inline_asm '""'
1491
1492 if enabled x86; then
1493     # check whether EBP is available on x86
1494     # As 'i' is stored on the stack, this program will crash
1495     # if the base pointer is used to access it because the
1496     # base pointer is cleared in the inline assembly code.
1497     check_exec_crash <<EOF && enable ebp_available
1498     volatile int i=0;
1499     asm volatile (
1500         "xorl %%ebp, %%ebp"
1501     ::: "%ebp");
1502     return i;
1503 EOF
1504
1505     # check wether EBX is available on x86
1506     check_asm ebx_available '"":::"%ebx"'
1507
1508     # check whether binutils is new enough to compile SSSE3
1509     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1510
1511     check_asm bswap '"bswap %%eax" ::: "%eax"'
1512 fi
1513
1514 # check for assembler specific support
1515
1516 if test $arch = "powerpc"; then
1517 check_cc <<EOF && enable dcbzl
1518 int main(void) {
1519     register long zero = 0;
1520     char data[1024];
1521     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1522 return 0;
1523 }
1524 EOF
1525 fi
1526
1527 # check for SIMD availability
1528
1529 # AltiVec flags: The FSF version of GCC differs from the Apple version
1530 if enabled altivec; then
1531     test -n "`$cc -v 2>&1 | grep version | grep Apple`" &&
1532         add_cflags "-faltivec" ||
1533         add_cflags "-maltivec -mabi=altivec"
1534
1535     check_header altivec.h
1536
1537     # check if our compiler supports Motorola AltiVec C API
1538     enabled altivec_h &&
1539         inc_altivec_h="#include <altivec.h>" ||
1540         inc_altivec_h=
1541     check_cc <<EOF || disable altivec
1542 $inc_altivec_h
1543 int main(void) {
1544     vector signed int v1, v2, v3;
1545     v1 = vec_add(v2,v3);
1546     return 0;
1547 }
1548 EOF
1549 fi
1550
1551 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1552 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1553 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1554 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1555 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1556
1557 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1558
1559 # ---
1560 # big/little-endian test
1561 check_cc <<EOF || die "endian test failed"
1562 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1563 EOF
1564 tr -c -d BIGE < $TMPO | grep -q BIGE && enable bigendian
1565
1566 # ---
1567 # check availability of some header files
1568
1569 if check_func dlopen; then
1570     ldl=
1571 elif check_func dlopen -ldl; then
1572     ldl=-ldl
1573 fi
1574
1575 check_func  fork
1576 check_func  gethrtime
1577 check_func  getrusage
1578 check_func  inet_aton $network_extralibs
1579 check_func  memalign
1580 check_func  mkstemp
1581 check_func2 windows.h GetProcessTimes
1582
1583 check_header byteswap.h
1584 check_header conio.h
1585 check_header dlfcn.h
1586 check_header malloc.h
1587 check_header termios.h
1588
1589 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1590     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1591 fi
1592
1593 enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
1594
1595 # ffserver uses poll(),
1596 # if it's not found we can emulate it using select().
1597 if enabled ffserver; then
1598     check_header poll.h
1599     check_header sys/select.h
1600 fi
1601
1602 # check for some common methods of building with pthread support
1603 # do this before the optional library checks as some of them require pthreads
1604 if enabled pthreads; then
1605     if check_func pthread_create; then
1606         :
1607     elif check_func pthread_create -pthread; then
1608         add_cflags -pthread
1609         add_extralibs -pthread
1610     elif check_func pthread_create -pthreads; then
1611         add_cflags -pthreads
1612         add_extralibs -pthreads
1613     elif ! check_lib pthread.h pthread_create -lpthread; then
1614         die "ERROR: can't find pthreads library"
1615     fi
1616 fi
1617
1618 for thread in $THREADS_LIST; do
1619     if enabled $thread; then
1620         test -n "$thread_type" &&
1621             die "ERROR: Only one thread type must be selected." ||
1622             thread_type="$thread"
1623     fi
1624 done
1625
1626 check_lib math.h sin -lm
1627
1628 # test for C99 functions in math.h
1629 for func in llrint lrint lrintf round roundf; do
1630     check_exec <<EOF && enable $func || disable $func
1631 #define _ISOC9X_SOURCE  1
1632 #include <math.h>
1633 int main(void) { return ($func(3.999f) > 0)?0:1; }
1634 EOF
1635 done
1636
1637 # these are off by default, so fail if requested and not available
1638 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1639 enabled liba52     && require  liba52 a52dec/a52.h a52_init -la52
1640 enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1641 enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1642 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1643 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1644 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1645 enabled libmp3lame && require  LAME lame/lame.h lame_init -lmp3lame -lm
1646 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1647 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1648 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1649 enabled libx264    && require  x264 x264.h x264_encoder_open -lx264 -lm
1650 enabled libxvid    && require  Xvid xvid.h xvid_global -lxvidcore
1651 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1652
1653 # disable the native AC-3 decoder if liba52 is enabled
1654 enabled liba52 && disable ac3_decoder
1655
1656 # libdc1394 check
1657 if enabled libdc1394; then
1658     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1659         enable libdc1394_2; } ||
1660     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1661         enable libdc1394_1; } ||
1662     die "ERROR: No version of libdc1394 found "
1663 fi
1664
1665
1666 _restrict=
1667 for restrict_keyword in restrict __restrict__ __restrict; do
1668     check_cc <<EOF && _restrict=$restrict_keyword && break
1669 void foo(char * $restrict_keyword p);
1670 EOF
1671 done
1672
1673 test "$vhook" = "default" && vhook="$dlopen"
1674
1675 if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
1676     disable vhook
1677     echo
1678     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1679     echo "Patches welcome."
1680     echo
1681 fi
1682
1683 if enabled vhook; then
1684     check_ldflags -rdynamic
1685     check_ldflags -export-dynamic
1686 fi
1687
1688 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1689 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1690
1691 ##########################################
1692 # SDL check
1693
1694 disable sdl_too_old
1695 disable sdl
1696 SDL_CONFIG="${cross_prefix}sdl-config"
1697 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1698     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1699     temp_cflags $sdl_cflags
1700     temp_extralibs `"${SDL_CONFIG}" --libs`
1701     if check_lib2 SDL.h SDL_Init; then
1702         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1703         if test "$_sdlversion" -lt 121 ; then
1704             enable sdl_too_old
1705         else
1706             enable sdl
1707             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1708 #include <SDL.h>
1709 int main(int argc, char **argv){
1710     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1711     int w = vi->current_w;
1712     return 0;
1713 }
1714 EOF
1715         fi
1716     fi
1717     restore_flags
1718 fi
1719
1720 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1721
1722 check_type sys/socket.h socklen_t
1723
1724 ##########################################
1725 # Network check
1726
1727 if enabled network; then
1728     # Prefer arpa/inet.h over winsock2
1729     if check_header arpa/inet.h ; then
1730         check_func closesocket
1731     elif check_header winsock2.h ; then
1732         network_extralibs="-lws2_32"
1733         check_type ws2tcpip.h socklen_t
1734         check_func2 winsock2.h closesocket
1735     fi
1736 fi
1737
1738 ##########################################
1739 # IPv6 check
1740
1741 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1742 #include <sys/types.h>
1743 #include <sys/socket.h>
1744 #include <netinet/in.h>
1745 #include <netdb.h>
1746 int main(void) {
1747     struct sockaddr_storage saddr;
1748     struct ipv6_mreq mreq6;
1749     getaddrinfo(0,0,0,0);
1750     getnameinfo(0,0,0,0,0,0,0);
1751     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1752 }
1753 EOF
1754
1755 check_header linux/videodev.h
1756 check_header linux/videodev2.h
1757
1758 check_func2 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1759
1760 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1761 { check_header dev/bktr/ioctl_meteor.h &&
1762   check_header dev/bktr/ioctl_bt848.h; } ||
1763 { check_header machine/ioctl_meteor.h &&
1764   check_header machine/ioctl_bt848.h; } ||
1765 { check_header dev/video/meteor/ioctl_meteor.h &&
1766   check_header dev/video/bktr/ioctl_bt848.h; } ||
1767 check_header dev/ic/bt8xx.h
1768
1769 check_header sys/soundcard.h
1770 check_header soundcard.h
1771
1772 # deal with the X11 frame grabber
1773 enabled x11grab                         &&
1774 check_header X11/Xlib.h                 &&
1775 check_header X11/extensions/XShm.h      &&
1776 check_func XOpenDisplay -lX11           &&
1777 check_func XShmCreateImage -lX11 -lXext
1778
1779 enabled debug && add_cflags -g"$debuglevel"
1780
1781 # add some useful compiler flags if supported
1782 check_cflags -Wdeclaration-after-statement
1783 check_cflags -Wall
1784 check_cflags -Wno-switch
1785 check_cflags -Wdisabled-optimization
1786 check_cflags -Wpointer-arith
1787 check_cflags -Wredundant-decls
1788 check_cflags -Wno-pointer-sign
1789 check_cflags -Wcast-qual
1790 check_cflags -Wwrite-strings
1791 check_cflags -Wtype-limits
1792 enabled extra_warnings && check_cflags -Winline
1793
1794 # add some linker flags
1795 check_ldflags -Wl,--warn-common
1796 check_ldflags $LDLATEFLAGS
1797 check_ldflags -Wl,-Bsymbolic
1798
1799 if enabled small; then
1800     check_cflags -Os            # not all compilers support -Os
1801     optimizations="small"
1802 elif enabled optimizations; then
1803     if test -n "`$cc -v 2>&1 | grep xlc`"; then
1804         add_cflags  "-O5"
1805         add_ldflags "-O5"
1806     else
1807         add_cflags "-O3"
1808     fi
1809 fi
1810 check_cflags -fno-math-errno
1811 check_cflags -fno-signed-zeros
1812
1813 # PIC flags for shared library objects where they are needed
1814 if enabled shared; then
1815     # LIBOBJFLAGS may have already been set in the OS configuration
1816     if test -z "$LIBOBJFLAGS" ; then
1817         case "$arch" in
1818             x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS='$(PIC)' ;;
1819         esac
1820     fi
1821 fi
1822
1823 if enabled gprof; then
1824     add_cflags  "-p"
1825     add_ldflags "-p"
1826 fi
1827
1828 VHOOKCFLAGS="-fPIC"
1829
1830 # Find out if the .align argument is a power of two or not.
1831 if test $asmalign_pot = "unknown"; then
1832     disable asmalign_pot
1833     echo 'asm (".align 3");' | check_cc && enable asmalign_pot
1834 fi
1835
1836 enabled_any $DECODER_LIST      && enable decoders
1837 enabled_any $ENCODER_LIST      && enable encoders
1838 enabled_any $BSF_LIST          && enable bsfs
1839 enabled_any $DEMUXER_LIST      && enable demuxers
1840 enabled_any $MUXER_LIST        && enable muxers
1841 enabled_any $FILTER_LIST       && enable filters
1842 enabled_any $INDEV_LIST        && enable demuxers
1843 enabled_any $OUTDEV_LIST       && enable muxers
1844 enabled_any $PROTOCOL_LIST     && enable protocols
1845
1846 enabled_any $THREADS_LIST      && enable threads
1847
1848 check_deps $CONFIG_LIST       \
1849            $HAVE_LIST         \
1850            $DECODER_LIST      \
1851            $ENCODER_LIST      \
1852            $PARSER_LIST       \
1853            $BSF_LIST          \
1854            $DEMUXER_LIST      \
1855            $MUXER_LIST        \
1856            $FILTER_LIST       \
1857            $INDEV_LIST        \
1858            $OUTDEV_LIST       \
1859            $PROTOCOL_LIST     \
1860
1861 enabled libdc1394 && append pkg_requires "libraw1394"
1862 enabled libtheora && append pkg_requires "theora"
1863 enabled libvorbis && append pkg_requires "vorbisenc"
1864
1865 echo "install prefix            $PREFIX"
1866 echo "source path               $source_path"
1867 echo "C compiler                $cc"
1868 echo "make                      $make"
1869 echo ".align is power-of-two    $asmalign_pot"
1870 echo "ARCH                      $arch ($cpu)"
1871 if test "$BUILDSUF" != ""; then
1872     echo "build suffix              $BUILDSUF"
1873 fi
1874 echo "big-endian                ${bigendian-no}"
1875 if test $arch = "x86_32" -o $arch = "x86_64"; then
1876     echo "MMX enabled               ${mmx-no}"
1877     echo "CMOV enabled              ${cmov-no}"
1878     echo "CMOV is fast              ${fast_cmov-no}"
1879     echo "EBX available             ${ebx_available-no}"
1880     echo "EBP available             ${ebp_available-no}"
1881 fi
1882 if test $arch = "armv4l"; then
1883     echo "ARMv5TE enabled           ${armv5te-no}"
1884     echo "ARMv6 enabled             ${armv6-no}"
1885     echo "IWMMXT enabled            ${iwmmxt-no}"
1886 fi
1887 if test $arch = "mips"; then
1888     echo "MMI enabled               ${mmi-no}"
1889 fi
1890 if test $arch = "powerpc"; then
1891     echo "AltiVec enabled           ${altivec-no}"
1892     echo "dcbzl available           ${dcbzl-no}"
1893 fi
1894 echo "gprof enabled             ${gprof-no}"
1895 echo "debug symbols             ${debug-no}"
1896 echo "strip symbols             ${dostrip-no}"
1897 echo "optimizations             ${optimizations-no}"
1898 echo "static                    ${static-no}"
1899 echo "shared                    ${shared-no}"
1900 echo "postprocessing support    ${postproc-no}"
1901 echo "software scaler enabled   ${swscale-no}"
1902 echo "new filter support        ${avfilter-no}"
1903 echo "filters using lavformat   ${avfilter_lavf-no}"
1904 echo "video hooking             ${vhook-no}"
1905 if enabled vhook; then
1906     echo "Imlib2 support            ${imlib2-no}"
1907     echo "FreeType support          ${freetype2-no}"
1908 fi
1909 echo "network support           ${network-no}"
1910 if enabled network; then
1911     echo "IPv6 support              ${ipv6-no}"
1912 fi
1913 echo "threading support         ${thread_type-no}"
1914 echo "SDL support               ${sdl-no}"
1915 if enabled sdl_too_old; then
1916     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1917 fi
1918 echo "Sun medialib support      ${mlib-no}"
1919 echo "AVISynth enabled          ${avisynth-no}"
1920 echo "liba52 support            ${liba52-no}"
1921 echo "liba52 dlopened           ${liba52bin-no}"
1922 echo "libamr-nb support         ${libamr_nb-no}"
1923 echo "libamr-wb support         ${libamr_wb-no}"
1924 echo "libdc1394 support         ${libdc1394-no}"
1925 echo "libfaac enabled           ${libfaac-no}"
1926 echo "libfaad enabled           ${libfaad-no}"
1927 echo "libfaad dlopened          ${libfaadbin-no}"
1928 echo "libgsm enabled            ${libgsm-no}"
1929 echo "libmp3lame enabled        ${libmp3lame-no}"
1930 echo "libnut enabled            ${libnut-no}"
1931 echo "libtheora enabled         ${libtheora-no}"
1932 echo "libvorbis enabled         ${libvorbis-no}"
1933 echo "x264 enabled              ${libx264-no}"
1934 echo "XviD enabled              ${libxvid-no}"
1935 echo "zlib enabled              ${zlib-no}"
1936 echo
1937
1938 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
1939     echo "Enabled ${type}s:"
1940     eval list=\$$(toupper $type)_LIST
1941     for part in $list; do
1942         enabled $part && echo ${part%_*}
1943     done | sort | pr -3 -t
1944     echo
1945 done
1946
1947 enabled nonfree &&
1948     echo "License: unredistributable" ||
1949     (enabled gpl &&
1950         echo "License: GPL" ||
1951         echo "License: LGPL")
1952
1953 echo "Creating config.mak and config.h..."
1954
1955 echo "# Automatically generated by configure - do not modify!" > config.mak
1956 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1957 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
1958 echo "#define FFMPEG_CONFIG_H" >> $TMPH
1959 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1960
1961 echo "PREFIX=$PREFIX" >> config.mak
1962 echo "prefix=\$(DESTDIR)\$(PREFIX)" >> config.mak
1963 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
1964 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
1965 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
1966 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
1967 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
1968 echo "MAKE=$make" >> config.mak
1969 echo "CC=$cc" >> config.mak
1970 echo "AR=$ar" >> config.mak
1971 echo "RANLIB=$ranlib" >> config.mak
1972 echo "LN_S=$ln_s" >> config.mak
1973 enabled dostrip &&
1974     echo "STRIP=$strip" >> config.mak ||
1975     echo "STRIP=echo ignoring strip" >> config.mak
1976
1977 echo "OPTFLAGS=$CFLAGS" >> config.mak
1978 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1979 echo "LDFLAGS=$LDFLAGS" >> config.mak
1980 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1981 echo "SHFLAGS=$SHFLAGS" >> config.mak
1982 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1983 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1984 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1985 echo "BUILD_STATIC=$static" >> config.mak
1986 echo "BUILDSUF=$BUILDSUF" >> config.mak
1987 echo "FULLNAME=$FULLNAME" >> config.mak
1988 echo "LIBPREF=$LIBPREF" >> config.mak
1989 echo "LIBSUF=$LIBSUF" >> config.mak
1990 echo "LIBNAME=$LIBNAME" >> config.mak
1991 echo "SLIBPREF=$SLIBPREF" >> config.mak
1992 echo "SLIBSUF=$SLIBSUF" >> config.mak
1993 echo "EXESUF=$EXESUF" >> config.mak
1994
1995 if enabled bigendian; then
1996     echo "WORDS_BIGENDIAN=yes" >> config.mak
1997     echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1998 fi
1999
2000 if enabled sdl; then
2001     echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2002     echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2003 fi
2004 if enabled texi2html; then
2005     echo "BUILD_DOC=yes" >> config.mak
2006 fi
2007
2008 get_version(){
2009     name=$1
2010     file=$source_path/$2
2011     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2012     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2013     lcname=$(tolower $name)
2014     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2015     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2016 }
2017
2018 get_version LIBSWSCALE  libswscale/swscale.h
2019 get_version LIBPOSTPROC libpostproc/postprocess.h
2020 get_version LIBAVCODEC  libavcodec/avcodec.h
2021 get_version LIBAVDEVICE libavdevice/avdevice.h
2022 get_version LIBAVFORMAT libavformat/avformat.h
2023 get_version LIBAVUTIL   libavutil/avutil.h
2024 get_version LIBAVFILTER libavfilter/avfilter.h
2025
2026 if enabled shared; then
2027     echo "BUILD_SHARED=yes" >> config.mak
2028     echo "PIC=-fPIC -DPIC" >> config.mak
2029     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2030     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2031     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2032     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2033     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2034     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2035     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2036 fi
2037 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2038 echo "EXTRALIBS=$extralibs" >> config.mak
2039
2040 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2041 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2042 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2043                                       $DECODER_LIST      \
2044                                       $ENCODER_LIST      \
2045                                       $PARSER_LIST       \
2046                                       $BSF_LIST          \
2047                                       $DEMUXER_LIST      \
2048                                       $MUXER_LIST        \
2049                                       $FILTER_LIST       \
2050                                       $PROTOCOL_LIST     \
2051                                       $INDEV_LIST        \
2052                                       $OUTDEV_LIST       \
2053
2054 echo "#define restrict $_restrict" >> $TMPH
2055
2056 if enabled small; then
2057     echo "#define av_always_inline"  >> $TMPH
2058 fi
2059
2060 echo "SRC_PATH=\"$source_path\"" >> config.mak
2061 echo "SRC_PATH_BARE=$source_path" >> config.mak
2062 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2063
2064 # Apparently it's not possible to portably echo a backslash.
2065 enabled asmalign_pot &&
2066     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2067     printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2068
2069
2070 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2071
2072 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2073 cmp -s $TMPH config.h &&
2074     echo "config.h is unchanged" ||
2075     mv -f $TMPH config.h
2076
2077 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2078
2079 # build tree in object directory if source path is different from current one
2080 if enabled source_path_used; then
2081     DIRS="\
2082         doc               \
2083         libavcodec        \
2084         libavcodec/alpha  \
2085         libavcodec/armv4l \
2086         libavcodec/bfin   \
2087         libavcodec/i386   \
2088         libavcodec/mlib   \
2089         libavcodec/ppc    \
2090         libavcodec/sh4    \
2091         libavcodec/sparc  \
2092         libavdevice       \
2093         libavfilter       \
2094         libavformat       \
2095         libavutil         \
2096         libpostproc       \
2097         libswscale        \
2098         tests             \
2099         tools             \
2100         vhook             \
2101         "
2102     FILES="\
2103         Makefile             \
2104         common.mak           \
2105         doc/texi2pod.pl      \
2106         libavcodec/Makefile  \
2107         libavdevice/Makefile \
2108         libavfilter/Makefile \
2109         libavformat/Makefile \
2110         libavutil/Makefile   \
2111         libpostproc/Makefile \
2112         libswscale/Makefile  \
2113         "
2114     for dir in $DIRS ; do
2115         mkdir -p $dir
2116     done
2117     for f in $FILES ; do
2118         $ln_s "$source_path/$f" $f
2119     done
2120 fi
2121
2122
2123 # build pkg-config files
2124 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2125
2126 pkgconfig_generate(){
2127 name=$1
2128 comment=$2
2129 version=$3
2130 libs=$4
2131 requires=$5
2132 cat <<EOF >$name.pc
2133 prefix=$PREFIX
2134 exec_prefix=\${prefix}
2135 libdir=\${exec_prefix}/lib
2136 includedir=\${prefix}/include
2137
2138 Name: $name
2139 Description: $comment
2140 Version: $version
2141 Requires: $requires
2142 Conflicts:
2143 Libs: -L\${libdir} $libs
2144 Cflags: -I\${includedir}
2145 EOF
2146 }
2147
2148 pkgconfig_generate_uninstalled(){
2149 name=$1
2150 shortname=${name#lib}
2151 comment=$2
2152 version=$3
2153 libs=$4
2154 requires=$5
2155 cat <<EOF >$name-uninstalled.pc
2156 prefix=
2157 exec_prefix=
2158 libdir=\${pcfiledir}/$name
2159 includedir=\${pcfiledir}
2160
2161 Name: $name
2162 Description: $comment
2163 Version: $version
2164 Requires: $requires
2165 Conflicts:
2166 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2167 Cflags: -I\${includedir}
2168 EOF
2169 }
2170
2171 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" -lavutil ""
2172 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2173
2174 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "-lavcodec $extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2175 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2176
2177 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "-lavformat $extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2178 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2179
2180 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "-lavdevice $extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2181 pkgconfig_generate_uninstalled libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2182 if enabled postproc; then
2183     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION" -lpostproc ""
2184     pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2185 fi
2186
2187 if enabled swscale; then
2188     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" -lswscale "libavutil = $LIBAVUTIL_VERSION"
2189     pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2190 else
2191     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2192     pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2193     apply libswscale.pc sed s/^Libs:.*$/Libs:/
2194     apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2195 fi
2196
2197 if enabled avfilter; then
2198   pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "-lavfilter $extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION" ffmpeg
2199   pkgconfig_generate_uninstalled libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2200 fi