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 "  --logfile=FILE           log tests and output to FILE [config.err]"
  60   echo "  --disable-logging        do not log configure debug information"
  61   echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
  62   echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
  63   echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
  64   echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
  65   echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
  66   echo "  --enable-static          build static libraries [default=yes]"
  67   echo "  --disable-static         do not build static libraries [default=no]"
  68   echo "  --enable-shared          build shared libraries [default=no]"
  69   echo "  --disable-shared         do not build shared libraries [default=yes]"
  70   echo "  --enable-gpl             allow use of GPL code, the resulting libav*"
  71   echo "                           and ffmpeg will be under GPL [default=no]"
  72   echo "  --enable-nonfree         allow use of nonfree code, the resulting libav*"
  73   echo "                           and ffmpeg will be unredistributable [default=no]"
  74   echo "  --enable-postproc        enable GPLed postprocessing support [default=no]"
  75   echo "  --enable-swscale         software scaler support [default=no]"
  76   echo "  --enable-avfilter        video filter support (replaces vhook) [default=no]"
  77   echo "  --enable-avfilter-lavf   video filters dependant on avformat [default=no]"
  78   echo "  --enable-beosthreads     use BeOS threads [default=no]"
  79   echo "  --enable-os2threads      use OS/2 threads [default=no]"
  80   echo "  --enable-pthreads        use pthreads [default=no]"
  81   echo "  --enable-w32threads      use Win32 threads [default=no]"
  82   echo "  --enable-x11grab         enable X11 grabbing [default=no]"
  83   echo
  84   echo "External library support:"
  85   echo "  --enable-mlib            use Sun medialib [default=no]"
  86   echo "  --enable-liba52          enable GPLed liba52 support [default=no]"
  87   echo "  --enable-liba52bin       open liba52.so.0 at runtime [default=no]"
  88   echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"
  89   echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec"
  90   echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec"
  91   echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
  92   echo "                           and libraw1394 [default=no]"
  93   echo "  --enable-libdirac        enable Dirac support via libdirac [default=no]"
  94   echo "  --enable-libfaac         enable FAAC support via libfaac [default=no]"
  95   echo "  --enable-libfaad         enable FAAD support via libfaad [default=no]"
  96   echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [default=no]"
  97   echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
  98   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no]"
  99   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
 100   echo "                           native demuxer exists [default=no]"
 101   echo "  --enable-libschroedinger enable Dirac support via libschroedinger [default=no]"
 102   echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
 103   echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
 104   echo "                           native implementation exists [default=no]"
 105   echo "  --enable-libx264         enable H.264 encoding via x264 [default=no]"
 106   echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
 107   echo "                           native MPEG-4/Xvid encoder exists [default=no]"
 108   echo ""
 109   echo "Advanced options (experts only):"
 110   echo "  --source-path=PATH       path to source code [$source_path]"
 111   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 112   echo "  --enable-cross-compile   assume a cross-compiler is used"
 113   echo "  --target-os=OS           compiler targets OS [$target_os]"
 114   echo "  --cc=CC                  use C compiler CC [$cc]"
 115   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 116   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 117   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 118   echo "  --build-suffix=SUFFIX    suffix for application specific build []"
 119   echo "  --arch=ARCH              select architecture  [$arch]"
 120   echo "  --cpu=CPU                selects the minimum cpu required (affects"
 121   echo "                           instruction selection, may crash on older CPUs)"
 122   echo "  --enable-powerpc-perf    enable performance report on PPC"
 123   echo "                           (requires enabling PMC)"
 124   echo "  --disable-mmx            disable MMX usage"
 125   echo "  --disable-mmx2           disable MMX2 usage"
 126   echo "  --disable-ssse3          disable SSSE3 usage"
 127   echo "  --disable-armv5te        disable armv5te usage"
 128   echo "  --disable-armv6          disable armv6 usage"
 129   echo "  --disable-armvfp         disable ARM VFP usage"
 130   echo "  --disable-iwmmxt         disable iwmmxt usage"
 131   echo "  --disable-altivec        disable AltiVec usage"
 132   echo "  --disable-network        disable network support [default=no]"
 133   echo "  --disable-ipv6           disable ipv6 support [default=no]"
 134   echo "  --disable-zlib           disable zlib [default=no]"
 135   echo "  --disable-vhook          disable video hooking support"
 136   echo "  --disable-debug          disable debugging symbols"
 137   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 138   echo "                           MPEG audio decoding [default=no]"
 139   echo "  --enable-gray            enable full grayscale support (slower color)"
 140   echo "  --disable-ffmpeg         disable ffmpeg build"
 141   echo "  --disable-ffserver       disable ffserver build"
 142   echo "  --disable-ffplay         disable ffplay build"
 143   echo "  --enable-small           optimize for size instead of speed"
 144   echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
 145   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 146   echo "  --disable-encoder=NAME   disables encoder NAME"
 147   echo "  --enable-encoder=NAME    enables encoder NAME"
 148   echo "  --disable-decoder=NAME   disables decoder NAME"
 149   echo "  --enable-decoder=NAME    enables decoder NAME"
 150   echo "  --disable-encoders       disables all encoders"
 151   echo "  --disable-decoders       disables all decoders"
 152   echo "  --disable-muxer=NAME     disables muxer NAME"
 153   echo "  --enable-muxer=NAME      enables muxer NAME"
 154   echo "  --disable-muxers         disables all muxers"
 155   echo "  --disable-demuxer=NAME   disables demuxer NAME"
 156   echo "  --enable-demuxer=NAME    enables demuxer NAME"
 157   echo "  --disable-demuxers       disables all demuxers"
 158   echo "  --enable-parser=NAME     enables parser NAME"
 159   echo "  --disable-parser=NAME    disables parser NAME"
 160   echo "  --disable-parsers        disables all parsers"
 161   echo "  --enable-bsf=NAME        enables bitstream filter NAME"
 162   echo "  --disable-bsf=NAME       disables bitstream filter NAME"
 163   echo "  --disable-bsfs           disables all bitstream filters"
 164   echo "  --enable-protocol=NAME   enables protocol NAME"
 165   echo "  --disable-protocol=NAME  disables protocol NAME"
 166   echo "  --disable-protocols      disables all protocols"
 167   echo "  --disable-devices        disables all devices"
 168   echo "  --list-decoders          show all available decoders"
 169   echo "  --list-encoders          show all available encoders"
 170   echo "  --list-muxers            show all available muxers"
 171   echo "  --list-demuxers          show all available demuxers"
 172   echo "  --list-parsers           show all available parsers"
 173   echo "  --list-protocols         show all available protocols"
 174   echo "  --list-bsfs              show all available bitstream filters"
 175   echo "  --list-indevs            show all available input devices"
 176   echo "  --list-outdevs           show all available output devices"
 177   echo
 178   echo "Developer options (useful when working on FFmpeg itself):"
 179   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 180   echo "  --disable-optimizations  disable compiler optimizations"
 181   echo "  --enable-extra-warnings  enable more compiler warnings"
 182   echo "  --disable-stripping      disable stripping of executables and shared libraries"
 183   echo ""
 184   echo "NOTE: Object files are built at the place where configure is launched."
 185   exit 1
 186 }
 187
 188 log(){
 189     echo "$@" >>$logfile
 190 }
 191
 192 log_file(){
 193     log BEGIN $1
 194     pr -n -t $1 >>$logfile
 195     log END $1
 196 }
 197
 198 echolog(){
 199     log "$@"
 200     echo "$@"
 201 }
 202
 203 die(){
 204     echolog "$@"
 205     cat <<EOF
 206 If you think configure made a mistake, make sure you are using the latest
 207 version from SVN.  If the latest version fails, report the problem to the
 208 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 209 EOF
 210     if disabled logging; then
 211         cat <<EOF
 212 Rerun configure with logging enabled (do not use --disable-logging), and
 213 include the log this produces with your report.
 214 EOF
 215     else
 216 cat <<EOF
 217 Include the log file "$logfile" produced by configure as this will help
 218 solving the problem.
 219 EOF
 220     fi
 221     rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
 222     exit 1
 223 }
 224
 225 # Avoid locale weirdness, besides we really just want to translate ASCII.
 226 toupper(){
 227     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 228 }
 229
 230 tolower(){
 231     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 232 }
 233
 234 set_all(){
 235     value=$1
 236     shift
 237     for var in $*; do
 238         eval $var=$value
 239     done
 240 }
 241
 242 pushvar(){
 243     for var in $*; do
 244         eval level=\${${var}_level:=0}
 245         eval ${var}_${level}="\$$var"
 246         eval ${var}_level=$(($level+1))
 247     done
 248 }
 249
 250 popvar(){
 251     for var in $*; do
 252         eval level=\${${var}_level:-0}
 253         test $level = 0 && continue
 254         eval level=$(($level-1))
 255         eval $var="\${${var}_${level}}"
 256         eval ${var}_level=$level
 257         eval unset ${var}_${level}
 258     done
 259 }
 260
 261 enable(){
 262     set_all yes $*
 263 }
 264
 265 disable(){
 266     set_all no $*
 267 }
 268
 269 enabled(){
 270     eval test "x\$$1" = "xyes"
 271 }
 272
 273 disabled(){
 274     eval test "x\$$1" = "xno"
 275 }
 276
 277 enabled_all(){
 278     for opt; do
 279         enabled $opt || return 1
 280     done
 281 }
 282
 283 disabled_all(){
 284     for opt; do
 285         disabled $opt || return 1
 286     done
 287 }
 288
 289 enabled_any(){
 290     for opt; do
 291         enabled $opt && return 0
 292     done
 293 }
 294
 295 disabled_any(){
 296     for opt; do
 297         disabled $opt && return 0
 298     done
 299 }
 300
 301 is_in(){
 302     value=$1
 303     shift
 304     for var in $*; do
 305         [ $var = $value ] && return 0
 306     done
 307     return 1
 308 }
 309
 310 check_deps(){
 311     for cfg; do
 312         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 313         disabled ${cfg}_checking && continue
 314         enable ${cfg}_checking
 315
 316         eval dep_all="\$${cfg}_deps"
 317         eval dep_any="\$${cfg}_deps_any"
 318
 319         pushvar cfg dep_all dep_any
 320         check_deps $dep_all $dep_any
 321         popvar cfg dep_all dep_any
 322
 323         enabled_all $dep_all || disable $cfg
 324         enabled_any $dep_any || disable $cfg
 325
 326         if enabled $cfg; then
 327             eval dep_extralibs="\$${cfg}_extralibs"
 328             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 329         fi
 330
 331         disable ${cfg}_checking
 332     done
 333 }
 334
 335 print_config(){
 336     pfx=$1
 337     header=$2
 338     makefile=$3
 339     shift 3
 340     for cfg; do
 341         ucname="`toupper $cfg`"
 342         if enabled $cfg; then
 343             echo "#define ${pfx}${ucname} 1" >> $header
 344             echo "#define ENABLE_${ucname} 1" >> $header
 345             echo "${pfx}${ucname}=yes" >> $makefile
 346         else
 347             echo "#define ENABLE_${ucname} 0" >> $header
 348         fi
 349     done
 350 }
 351
 352 flags_saved(){
 353     (: ${SAVE_CFLAGS?}) 2>/dev/null
 354 }
 355
 356 save_flags(){
 357     flags_saved && return
 358     SAVE_CFLAGS="$CFLAGS"
 359     SAVE_LDFLAGS="$LDFLAGS"
 360     SAVE_extralibs="$extralibs"
 361 }
 362
 363 restore_flags(){
 364     flags_saved || return
 365     CFLAGS="$SAVE_CFLAGS"
 366     LDFLAGS="$SAVE_LDFLAGS"
 367     extralibs="$SAVE_extralibs"
 368     unset SAVE_CFLAGS
 369     unset SAVE_LDFLAGS
 370     unset SAVE_extralibs
 371 }
 372
 373 temp_cflags(){
 374     save_flags
 375     CFLAGS="$CFLAGS $*"
 376 }
 377
 378 temp_ldflags(){
 379     save_flags
 380     LDFLAGS="$LDFLAGS $*"
 381 }
 382
 383 temp_extralibs(){
 384     save_flags
 385     extralibs="$extralibs $*"
 386 }
 387
 388 append(){
 389     var=$1
 390     shift
 391     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 392     eval "$var=\"\$$var $*\""
 393 }
 394
 395 add_cflags(){
 396     append CFLAGS "$@"
 397 }
 398
 399 add_ldflags(){
 400     append LDFLAGS "$@"
 401 }
 402
 403 add_extralibs(){
 404     append extralibs "$@"
 405 }
 406
 407 check_cmd(){
 408     log "$@"
 409     "$@" >>$logfile 2>&1
 410 }
 411
 412 check_cc(){
 413     log check_cc "$@"
 414     cat >$TMPC
 415     log_file $TMPC
 416     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 417 }
 418
 419 check_cpp(){
 420     log check_cpp "$@"
 421     cat >$TMPC
 422     log_file $TMPC
 423     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 424 }
 425
 426 check_asm(){
 427     log check_asm "$@"
 428     name="$1"
 429     asm="$2"
 430     shift 2
 431     check_cc "$@" <<EOF && enable $name || disable $name
 432 int foo(void){ asm volatile($asm); }
 433 EOF
 434 }
 435
 436 check_ld(){
 437     log check_ld "$@"
 438     check_cc || return
 439     flags=''
 440     libs=''
 441     for f; do
 442         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 443     done
 444     check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 445 }
 446
 447 check_cflags(){
 448     log check_cflags "$@"
 449     check_cc "$@" <<EOF && add_cflags "$@"
 450 int x;
 451 EOF
 452 }
 453
 454 check_ldflags(){
 455     log check_ldflags "$@"
 456     check_ld "$@" <<EOF && add_ldflags "$@"
 457 int main(void){ return 0; }
 458 EOF
 459 }
 460
 461 check_header(){
 462     log check_header "$@"
 463     header=$1
 464     shift
 465     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 466     disable $var
 467     check_cpp "$@" <<EOF && enable $var
 468 #include <$header>
 469 int x;
 470 EOF
 471 }
 472
 473 check_func(){
 474     log check_func "$@"
 475     func=$1
 476     shift
 477     disable $func
 478     check_ld "$@" <<EOF && enable $func
 479 extern int $func();
 480 int main(void){ $func(); }
 481 EOF
 482 }
 483
 484 check_func2(){
 485     log check_func2 "$@"
 486     headers=$1
 487     func=$2
 488     shift 2
 489     disable $func
 490     incs=""
 491     for hdr in $headers; do
 492         incs="$incs
 493 #include <$hdr>"
 494     done
 495     check_ld "$@" <<EOF && enable $func
 496 $incs
 497 int main(int argc, char **argv){
 498     (void) $func;
 499     return 0;
 500 }
 501 EOF
 502 }
 503
 504 check_lib(){
 505     log check_lib "$@"
 506     header="$1"
 507     func="$2"
 508     shift 2
 509     temp_extralibs "$@"
 510     check_header $header && check_func $func && add_extralibs "$@"
 511     err=$?
 512     restore_flags
 513     return $err
 514 }
 515
 516 check_lib2(){
 517     log check_lib2 "$@"
 518     headers="$1"
 519     func="$2"
 520     shift 2
 521     temp_extralibs "$@"
 522     check_func2 "$headers" $func && add_extralibs "$@"
 523     err=$?
 524     restore_flags
 525     return $err
 526 }
 527
 528 check_exec(){
 529     check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
 530 }
 531
 532 check_exec_crash(){
 533     code=`cat`
 534
 535     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 536     # are safe but may not be available everywhere.  Thus we use
 537     # raise(SIGTERM) instead.  The check is run in a subshell so we
 538     # can redirect the "Terminated" message from the shell.  SIGBUS
 539     # is not defined by standard C so it is used conditionally.
 540
 541     (check_exec "$@") >>$logfile 2>&1 <<EOF
 542 #include <signal.h>
 543 static void sighandler(int sig){
 544     raise(SIGTERM);
 545 }
 546 int main(void){
 547     signal(SIGILL, sighandler);
 548     signal(SIGFPE, sighandler);
 549     signal(SIGSEGV, sighandler);
 550 #ifdef SIGBUS
 551     signal(SIGBUS, sighandler);
 552 #endif
 553     { $code }
 554 }
 555 EOF
 556 }
 557
 558 check_type(){
 559     log check_type "$@"
 560     headers=$1
 561     type=$2
 562     shift 2
 563     disable $type
 564     incs=""
 565     for hdr in $headers; do
 566         incs="$incs
 567 #include <$hdr>"
 568     done
 569     check_cc "$@" <<EOF && enable $type
 570 $incs
 571 $type v;
 572 EOF
 573 }
 574
 575 require(){
 576     name="$1"
 577     header="$2"
 578     func="$3"
 579     shift 3
 580     check_lib $header $func "$@" || die "ERROR: $name not found"
 581 }
 582
 583 require2(){
 584     name="$1"
 585     headers="$2"
 586     func="$3"
 587     shift 3
 588     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 589 }
 590
 591 check_foo_config(){
 592     cfg=$1
 593     pkg=$2
 594     header=$3
 595     func=$4
 596     shift 4
 597     disable $cfg
 598     check_cmd ${pkg}-config --version
 599     err=$?
 600     if test "$err" = 0; then
 601         temp_cflags `${pkg}-config --cflags`
 602         temp_extralibs `${pkg}-config --libs`
 603         check_lib "$@" $header $func && enable $cfg
 604     fi
 605     return $err
 606 }
 607
 608 apply(){
 609     file=$1
 610     shift
 611     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 612 }
 613
 614 COMPONENT_LIST="
 615     bsfs
 616     decoders
 617     demuxers
 618     encoders
 619     filters
 620     indevs
 621     muxers
 622     outdevs
 623     parsers
 624     protocols
 625 "
 626
 627 CONFIG_LIST="
 628     $COMPONENT_LIST
 629     avfilter
 630     avfilter_lavf
 631     avisynth
 632     beos_netserver
 633     ffmpeg
 634     ffplay
 635     ffserver
 636     gpl
 637     gprof
 638     gray
 639     hardcoded_tables
 640     ipv6
 641     liba52
 642     liba52bin
 643     libamr_nb
 644     libamr_wb
 645     libdc1394
 646     libdirac
 647     libfaac
 648     libfaad
 649     libfaadbin
 650     libgsm
 651     libmp3lame
 652     libnut
 653     libschroedinger
 654     libtheora
 655     libvorbis
 656     libx264
 657     libxvid
 658     memalign_hack
 659     mlib
 660     mpegaudio_hp
 661     network
 662     nonfree
 663     postproc
 664     powerpc_perf
 665     small
 666     swscale
 667     vhook
 668     x11grab
 669     zlib
 670 "
 671
 672 THREADS_LIST='
 673     beosthreads
 674     os2threads
 675     pthreads
 676     w32threads
 677 '
 678
 679 ARCH_LIST='
 680     alpha
 681     armv4l
 682     bfin
 683     ia64
 684     m68k
 685     mips
 686     parisc
 687     powerpc
 688     s390
 689     sh4
 690     sparc
 691     sparc64
 692     x86
 693     x86_32
 694     x86_64
 695 '
 696
 697 ARCH_EXT_LIST='
 698     altivec
 699     armv5te
 700     armv6
 701     armvfp
 702     iwmmxt
 703     mmi
 704     mmx
 705     mmx2
 706     ssse3
 707     vis
 708 '
 709
 710 HAVE_LIST="
 711     $ARCH_EXT_LIST
 712     $THREADS_LIST
 713     altivec_h
 714     arpa_inet_h
 715     bswap
 716     byteswap_h
 717     closesocket
 718     cmov
 719     conio_h
 720     dcbzl
 721     dev_bktr_ioctl_bt848_h
 722     dev_bktr_ioctl_meteor_h
 723     dev_ic_bt8xx_h
 724     dev_video_meteor_ioctl_meteor_h
 725     dev_video_bktr_ioctl_bt848_h
 726     dlfcn_h
 727     dlopen
 728     ebp_available
 729     ebx_available
 730     fast_64bit
 731     fast_cmov
 732     fast_unaligned
 733     fork
 734     freetype2
 735     gethrtime
 736     GetProcessTimes
 737     getrusage
 738     imlib2
 739     inet_aton
 740     inline_asm
 741     libdc1394_1
 742     libdc1394_2
 743     llrint
 744     lrint
 745     lrintf
 746     machine_ioctl_bt848_h
 747     machine_ioctl_meteor_h
 748     malloc_h
 749     memalign
 750     mkstemp
 751     pld
 752     ppc64
 753     round
 754     roundf
 755     sdl
 756     sdl_video_size
 757     socklen_t
 758     soundcard_h
 759     poll_h
 760     sys_mman_h
 761     sys_select_h
 762     sys_soundcard_h
 763     termios_h
 764     threads
 765     winsock2_h
 766 "
 767
 768 CMDLINE_SELECT="
 769     $ARCH_EXT_LIST
 770     $CONFIG_LIST
 771     $THREADS_LIST
 772     cross_compile
 773     debug
 774     extra_warnings
 775     logging
 776     optimizations
 777     shared
 778     static
 779     stripping
 780 "
 781 CMDLINE_SET='
 782     arch
 783     build_suffix
 784     cc
 785     cpu
 786     cross_prefix
 787     incdir
 788     libdir
 789     logfile
 790     mandir
 791     prefix
 792     shlibdir
 793     source_path
 794     target_os
 795 '
 796
 797 # code dependency declarations
 798
 799 # architecture extensions
 800 altivec_deps="powerpc"
 801 armv5te_deps="armv4l"
 802 armv6_deps="armv4l"
 803 armvfp_deps="armv4l"
 804 iwmmxt_deps="armv4l"
 805 mmi_deps="mips"
 806 mmx_deps="x86"
 807 mmx2_deps="x86 mmx"
 808 ssse3_deps="x86"
 809 vis_deps="sparc"
 810
 811 # decoders / encoders
 812 ac3_decoder_deps="gpl"
 813 dxa_decoder_deps="zlib"
 814 flashsv_decoder_deps="zlib"
 815 flashsv_encoder_deps="zlib"
 816 mpeg_xvmc_decoder_deps="xvmc"
 817 png_decoder_deps="zlib"
 818 png_encoder_deps="zlib"
 819 zmbv_decoder_deps="zlib"
 820 zmbv_encoder_deps="zlib"
 821
 822 # external libraries
 823 liba52_decoder_deps="liba52"
 824 liba52bin_decoder_extralibs='$ldl'
 825 libamr_nb_decoder_deps="libamr_nb"
 826 libamr_nb_encoder_deps="libamr_nb"
 827 libamr_wb_decoder_deps="libamr_wb"
 828 libamr_wb_encoder_deps="libamr_wb"
 829 libdirac_decoder_deps="libdirac"
 830 libdirac_encoder_deps="libdirac"
 831 libfaac_encoder_deps="libfaac"
 832 libfaad_decoder_deps="libfaad"
 833 libfaadbin_decoder_extralibs='$ldl'
 834 libgsm_decoder_deps="libgsm"
 835 libgsm_encoder_deps="libgsm"
 836 libgsm_ms_decoder_deps="libgsm"
 837 libgsm_ms_encoder_deps="libgsm"
 838 libmp3lame_encoder_deps="libmp3lame"
 839 libschroedinger_decoder_deps="libschroedinger"
 840 libschroedinger_encoder_deps="libschroedinger"
 841 libtheora_encoder_deps="libtheora"
 842 libvorbis_encoder_deps="libvorbis"
 843 libx264_encoder_deps="libx264"
 844 libxvid_encoder_deps="libxvid"
 845 mpeg4aac_decoder_deps="libfaad"
 846
 847 # demuxers / muxers
 848 ac3_demuxer_deps="ac3_parser"
 849 audio_beos_demuxer_deps="audio_beos"
 850 audio_beos_demuxer_extralibs="-lmedia -lbe"
 851 audio_beos_muxer_deps="audio_beos"
 852 audio_beos_muxer_extralibs="-lmedia -lbe"
 853 avisynth_demuxer_deps="avisynth"
 854 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
 855 dirac_demuxer_deps="dirac_parser"
 856 dv1394_demuxer_deps="dv1394 dv_demuxer"
 857 libdc1394_demuxer_deps="libdc1394"
 858 libnut_demuxer_deps="libnut"
 859 libnut_muxer_deps="libnut"
 860 mp3_demuxer_deps="mpegaudio_parser"
 861 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
 862 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
 863 redir_demuxer_deps="network"
 864 rtp_muxer_deps="network rtp_protocol"
 865 rtsp_demuxer_deps="sdp_demuxer"
 866 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
 867 v4l_demuxer_deps="linux_videodev_h"
 868 v4l2_demuxer_deps="linux_videodev2_h"
 869 vfwcap_demuxer_deps="capCreateCaptureWindow"
 870 vfwcap_demuxer_extralibs="-lvfw32"
 871 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
 872 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
 873
 874 # protocols
 875 http_protocol_deps="network"
 876 rtp_protocol_deps="udp_protocol"
 877 tcp_protocol_deps="network"
 878 udp_protocol_deps="network"
 879
 880 # filters
 881 movie_filter_deps="avfilter_lavf"
 882
 883 # programs
 884 ffplay_deps="sdl"
 885 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
 886 ffserver_extralibs='$ldl'
 887 vhook_extralibs='$ldl'
 888
 889
 890 # default parameters
 891
 892 logfile="config.err"
 893
 894 # installation paths
 895 prefix="/usr/local"
 896 libdir='$(PREFIX)/lib'
 897 shlibdir="$libdir"
 898 incdir='$(PREFIX)/include'
 899 mandir='$(PREFIX)/share/man'
 900 bindir='$(PREFIX)/bin'
 901
 902 # toolchain
 903 cc="gcc"
 904 ar="ar"
 905 nm="nm"
 906 ranlib="ranlib"
 907 strip="strip"
 908 asmalign_pot="unknown"
 909 ln_s="ln -sf"
 910
 911 # machine
 912 arch=`uname -m`
 913 cpu="generic"
 914
 915 # OS
 916 target_os=$(tolower $(uname -s))
 917
 918 # libraries
 919 enable zlib
 920
 921 # configurable options
 922 enable debug
 923 enable ffmpeg
 924 enable ffplay
 925 enable ffserver
 926 enable ipv6
 927 enable mpegaudio_hp
 928 enable network
 929 enable optimizations
 930 enable protocols
 931 enable static
 932 enable stripping
 933 vhook="default"
 934
 935 # build settings
 936 SHFLAGS='-shared -Wl,-soname,$$(@F)'
 937 VHOOKSHFLAGS='$(SHFLAGS)'
 938 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
 939 FFSERVERLDFLAGS=-Wl,-E
 940 LIBPREF="lib"
 941 LIBSUF=".a"
 942 FULLNAME='$(NAME)$(BUILDSUF)'
 943 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
 944 SLIBPREF="lib"
 945 SLIBSUF=".so"
 946 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
 947 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
 948 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
 949 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
 950
 951 # gcc stupidly only outputs the basename of targets with -MM
 952 DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed "1s,^,$(@D)/,"'
 953
 954 # find source path
 955 source_path="`dirname \"$0\"`"
 956 enable source_path_used
 957 if test -z "$source_path" -o "$source_path" = "." ; then
 958     source_path="`pwd`"
 959     disable source_path_used
 960 else
 961     source_path="`cd \"$source_path\"; pwd`"
 962     echo "$source_path" | grep -q '[[:blank:]]' &&
 963         die "Out of tree builds are impossible with whitespace in source path."
 964 fi
 965
 966 FFMPEG_CONFIGURATION="$@"
 967
 968 find_things(){
 969     thing=$1
 970     pattern=$2
 971     file=$source_path/$3
 972     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
 973 }
 974
 975 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
 976 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
 977 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
 978 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
 979 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
 980 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
 981 OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
 982 INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
 983 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
 984 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
 985
 986 enable $ARCH_EXT_LIST \
 987        $DECODER_LIST \
 988        $ENCODER_LIST \
 989        $PARSER_LIST \
 990        $BSF_LIST \
 991        $DEMUXER_LIST \
 992        $MUXER_LIST \
 993        $FILTER_LIST \
 994        $PROTOCOL_LIST \
 995        $INDEV_LIST \
 996        $OUTDEV_LIST \
 997
 998 die_unknown(){
 999     echo "Unknown option \"$1\"."
1000     echo "See $0 --help for available options."
1001     exit 1
1002 }
1003
1004 show_list() {
1005     suffix=_$1
1006     shift
1007     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1008     exit 0
1009 }
1010
1011 for opt do
1012     optval="${opt#*=}"
1013     case "$opt" in
1014     --extra-cflags=*) add_cflags "$optval"
1015     ;;
1016     --extra-ldflags=*) add_ldflags "$optval"
1017     ;;
1018     --extra-libs=*) add_extralibs "$optval"
1019     ;;
1020     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1021     ;;
1022     --enable-debug=*) debuglevel="$optval"
1023     ;;
1024     --enable-*=*|--disable-*=*)
1025     eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1026     case "$thing" in
1027         encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1028         *) die_unknown "$opt" ;;
1029     esac
1030     ;;
1031     --enable-?*|--disable-?*)
1032     eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1033     if is_in $option $COMPONENT_LIST; then
1034         eval $action \$$(toupper ${option%s})_LIST
1035     elif is_in $option $CMDLINE_SELECT; then
1036         $action $option
1037     else
1038         die_unknown $opt
1039     fi
1040     ;;
1041     --list-*)
1042         NAME="${opt#--list-}"
1043         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1044         NAME=${NAME%s}
1045         eval show_list $NAME \$$(toupper $NAME)_LIST
1046     ;;
1047     --help|-h) show_help
1048     ;;
1049     *)
1050     optname="${opt%=*}"
1051     optname="${optname#--}"
1052     optname=$(echo "$optname" | sed 's/-/_/g')
1053     is_in $optname $CMDLINE_SET || die_unknown $opt
1054     eval $optname='$optval'
1055     ;;
1056     esac
1057 done
1058
1059 cc="${cross_prefix}${cc}"
1060 ar="${cross_prefix}${ar}"
1061 nm="${cross_prefix}${nm}"
1062 ranlib="${cross_prefix}${ranlib}"
1063 strip="${cross_prefix}${strip}"
1064
1065 # OS specific
1066 case $target_os in
1067     beos|haiku|zeta)
1068         prefix="$HOME/config"
1069         # helps building libavcodec
1070         add_cflags "-DPIC -fomit-frame-pointer"
1071         # 3 gcc releases known for BeOS, each with ugly bugs
1072         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1073         case "$gcc_version" in
1074           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1075             disable mmx
1076             ;;
1077           *20010315*) echo "BeBits gcc"
1078             add_cflags "-fno-expensive-optimizations"
1079             ;;
1080         esac
1081         SHFLAGS=-nostart
1082         # enable BeOS things
1083         enable audio_beos
1084         # no need for libm, but the inet stuff
1085         # Check for BONE
1086         # XXX: actually should check for NOT net_server
1087         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1088             network_extralibs="-lbind -lsocket"
1089         else
1090             enable beos_netserver
1091             network_extralibs="-lnet"
1092         fi ;;
1093     sunos)
1094         FFSERVERLDFLAGS=""
1095         SHFLAGS='-shared -Wl,-h,$$(@F)'
1096         network_extralibs="-lsocket -lnsl"
1097         ;;
1098     netbsd)
1099         oss_demuxer_extralibs="-lossaudio"
1100         oss_muxer_extralibs="-lossaudio"
1101         ;;
1102     openbsd)
1103         disable need_memalign
1104         LIBOBJFLAGS='$(PIC)'
1105         SHFLAGS='-shared'
1106         SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1107         SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1108         SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1109         oss_demuxer_extralibs="-lossaudio"
1110         oss_muxer_extralibs="-lossaudio"
1111         ;;
1112     freebsd)
1113         disable need_memalign
1114         ;;
1115     bsd/os)
1116         osextralibs="-lpoll -lgnugetopt"
1117         strip="strip -d"
1118         ;;
1119     darwin)
1120         disable need_memalign
1121         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1122         VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1123         strip="strip -x"
1124         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1125         SLIBSUF=".dylib"
1126         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1127         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1128         FFSERVERLDFLAGS=-Wl,-bind_at_load
1129         ;;
1130     mingw32*)
1131         target_os=mingw32
1132         shlibdir="$bindir"
1133         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1134         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1135         if enabled swscale; then
1136             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1137             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1138         fi
1139         disable ffserver
1140         SLIBPREF=""
1141         SLIBSUF=".dll"
1142         EXESUF=".exe"
1143         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1144         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1145         SLIB_EXTRA_CMD='-lib /machine:i386 /def:$$(@:$(SLIBSUF)=.def)'
1146         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1147         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1148         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1149         ;;
1150     cygwin*)
1151         target_os=cygwin
1152         shlibdir="$bindir"
1153         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1154         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1155         if enabled swscale; then
1156             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1157             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1158         fi
1159         EXESUF=".exe"
1160         SLIBPREF="cyg"
1161         SLIBSUF=".dll"
1162         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1163         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1164         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1165         ;;
1166     *-dos|freedos|opendos)
1167         disable ffplay ffserver vhook
1168         disable $INDEV_LIST $OUTDEV_LIST
1169         network_extralibs="-lsocket"
1170         EXESUF=".exe"
1171         ;;
1172     linux)
1173         LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1174         enable dv1394
1175         ;;
1176     irix*)
1177         target_os=irix
1178         ranlib="echo ignoring ranlib"
1179         ;;
1180     os/2*)
1181         strip="lxlite"
1182         ln_s="cp -f"
1183         EXESUF=".exe"
1184         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1185         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1186         FFSERVERLDFLAGS=""
1187         LIBSUF="_s.a"
1188         SLIBPREF=""
1189         SLIBSUF=".dll"
1190         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1191         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1192         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1193           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1194           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1195           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1196           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1197           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1198         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1199           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1200         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1201         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1202         disable vhook
1203         ;;
1204     interix)
1205         disable vhook
1206         ;;
1207
1208     *)
1209         target_os="${target_os}-UNKNOWN"
1210         ;;
1211 esac
1212
1213 # set temporary file name
1214 if test ! -z "$TMPDIR" ; then
1215     TMPDIR1="${TMPDIR}"
1216 elif test ! -z "$TEMPDIR" ; then
1217     TMPDIR1="${TEMPDIR}"
1218 else
1219     TMPDIR1="/tmp"
1220 fi
1221
1222 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1223 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1224 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1225 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1226 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1227 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1228
1229
1230 add_extralibs $osextralibs
1231
1232 disabled logging && logfile=/dev/null
1233
1234 echo "# $0 $@" >$logfile
1235 set >>$logfile
1236
1237 case "$arch" in
1238     i386|i486|i586|i686|i86pc|BePC)
1239         arch="x86_32"
1240         enable fast_unaligned
1241     ;;
1242     x86_64|amd64)
1243         arch="x86_32"
1244         enable fast_unaligned
1245         check_cc <<EOF && enable fast_64bit && arch="x86_64"
1246         int test[sizeof(char*) - 7];
1247 EOF
1248     ;;
1249     # armv4l is a subset of armv[567]*l
1250     arm|armv[4567]*l)
1251         arch="armv4l"
1252     ;;
1253     alpha)
1254         arch="alpha"
1255         enable fast_64bit
1256     ;;
1257     "Power Macintosh"|ppc|powerpc)
1258         arch="powerpc"
1259     ;;
1260     ppc64)
1261         arch="powerpc"
1262         enable fast_64bit
1263     ;;
1264     mips|mipsel|IP*)
1265         arch="mips"
1266     ;;
1267     sun4u|sparc64)
1268         arch="sparc64"
1269         enable fast_64bit
1270     ;;
1271     sparc)
1272         arch="sparc"
1273     ;;
1274     sh4)
1275         arch="sh4"
1276     ;;
1277     parisc)
1278         arch="parisc"
1279     ;;
1280     parisc64)
1281         arch="parisc"
1282         enable fast_64bit
1283     ;;
1284     s390|s390x)
1285         arch="s390"
1286     ;;
1287     m68k)
1288         arch="m68k"
1289     ;;
1290     ia64)
1291         arch="ia64"
1292         enable fast_64bit
1293     ;;
1294     bfin)
1295         arch="bfin"
1296     ;;
1297     *)
1298         arch="unknown"
1299     ;;
1300 esac
1301
1302 enable $arch
1303 enabled_any x86_32 x86_64 && enable x86
1304 enabled     sparc64       && enable sparc
1305
1306 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1307 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1308
1309 test -n "$cross_prefix" && enable cross_compile
1310
1311 # we need to build at least one lib type
1312 if ! enabled_any static shared; then
1313     cat <<EOF
1314 At least one library type must be built.
1315 Specify --enable-static to build the static libraries or --enable-shared to
1316 build the shared libraries as well. To only build the shared libraries specify
1317 --disable-static in addition to --enable-shared.
1318 EOF
1319     exit 1;
1320 fi
1321
1322 disabled static && LIBNAME=""
1323
1324 if enabled_any libfaad libfaadbin ; then
1325     if check_header faad.h; then
1326         check_cc << EOF
1327 #include <faad.h>
1328 #ifndef FAAD2_VERSION
1329 ok faad1
1330 #endif
1331 int main(void) { return 0; }
1332 EOF
1333         test $? = 0 && enable libfaad2
1334     else
1335         die "FAAD test failed."
1336     fi
1337 fi
1338
1339
1340 if ! enabled gpl; then
1341     die_gpl_disabled(){
1342         name=$1
1343         shift
1344         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1345     }
1346     die_gpl_disabled "The Postprocessing code" postproc
1347     die_gpl_disabled "liba52"                  liba52
1348     die_gpl_disabled "libx264"                 libx264
1349     die_gpl_disabled "libxvidcore"             libxvid
1350     die_gpl_disabled "FAAD2"                   libfaad2
1351     die_gpl_disabled "The X11 grabber"         x11grab
1352     die_gpl_disabled "The software scaler"     swscale
1353 fi
1354
1355 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1356     die "libamr is nonfree and --enable-nonfree is not specified."
1357 fi
1358
1359 check_deps $ARCH_EXT_LIST
1360
1361 test -z "$need_memalign" && need_memalign="$mmx"
1362
1363 #Darwin CC versions
1364 if test $target_os = darwin; then
1365     if $cc -v 2>&1 | grep -q xlc; then
1366         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1367     else
1368         add_cflags "-pipe"
1369         check_cflags "-force_cpusubtype_ALL"
1370         check_cflags "-Wno-sign-compare"
1371         enabled shared || check_cflags -mdynamic-no-pic
1372     fi
1373 fi
1374
1375 disabled optimizations || add_cflags -fomit-frame-pointer
1376
1377 # Add processor-specific flags
1378 if test $cpu != "generic"; then
1379     warn_altivec(){
1380         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1381     }
1382     case $cpu in
1383         601|ppc601|PowerPC601)
1384             add_cflags "-mcpu=601"
1385             warn_altivec enabled PPC601
1386         ;;
1387         603*|ppc603*|PowerPC603*)
1388             add_cflags "-mcpu=603"
1389             warn_altivec enabled PPC603
1390         ;;
1391         604*|ppc604*|PowerPC604*)
1392             add_cflags "-mcpu=604"
1393             warn_altivec enabled PPC604
1394         ;;
1395         G3|g3|75*|ppc75*|PowerPC75*)
1396             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1397             warn_altivec enabled PPC75x
1398         ;;
1399         G4|g4|745*|ppc745*|PowerPC745*)
1400             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1401             warn_altivec disabled PPC745x
1402         ;;
1403         74*|ppc74*|PowerPC74*)
1404             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1405             warn_altivec disabled PPC74xx
1406         ;;
1407         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1408             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1409             warn_altivec disabled PPC970
1410             enable ppc64
1411         ;;
1412         Cell|CELL|cell)
1413             add_cflags "-mcpu=cell"
1414             warn_altivec disabled Cell
1415             enable ppc64
1416         ;;
1417         # targets that do NOT support conditional mov (cmov)
1418         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1419             add_cflags "-march=$cpu"
1420             disable cmov
1421         ;;
1422         # targets that do support conditional mov (cmov)
1423         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1424             add_cflags "-march=$cpu"
1425             enable cmov
1426             enable fast_cmov
1427         ;;
1428         # targets that do support conditional mov but on which it's slow
1429         pentium4|pentium4m|prescott|nocona)
1430             add_cflags "-march=$cpu"
1431             enable cmov
1432             disable fast_cmov
1433         ;;
1434         sparc64)
1435             add_cflags "-mcpu=v9"
1436         ;;
1437         arm*)
1438             add_cflags "-mcpu=$cpu"
1439         ;;
1440         *)
1441             echo "WARNING: Unknown CPU \"$cpu\", ignored."
1442         ;;
1443     esac
1444 fi
1445
1446 # make sure we can execute files in $TMPDIR
1447 cat >$TMPSH 2>>$logfile <<EOF
1448 #! /bin/sh
1449 EOF
1450 chmod +x $TMPSH >>$logfile 2>&1
1451 if ! $TMPSH >>$logfile 2>&1; then
1452     cat <<EOF
1453 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1454 variable to another directory and make sure that $TMPDIR1 is not mounted
1455 noexec.
1456 EOF
1457     die "Sanity test failed."
1458 fi
1459 rm $TMPSH
1460
1461 # compiler sanity check
1462 check_exec <<EOF
1463 int main(void){ return 0; }
1464 EOF
1465 if test "$?" != 0; then
1466     echo "$cc is unable to create an executable file."
1467     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1468         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1469         echo "Only do this if you know what cross compiling means."
1470     fi
1471     die "C compiler test failed."
1472 fi
1473
1474 check_cc <<EOF || die "Symbol mangling check failed."
1475 int ff_extern;
1476 EOF
1477 sym=$($nm -P -g $TMPO | grep ff_extern)
1478 extern_prefix=${sym%%ff_extern*}
1479
1480 check_asm inline_asm '""'
1481
1482 if enabled x86; then
1483     # check whether EBP is available on x86
1484     # As 'i' is stored on the stack, this program will crash
1485     # if the base pointer is used to access it because the
1486     # base pointer is cleared in the inline assembly code.
1487     check_exec_crash <<EOF && enable ebp_available
1488     volatile int i=0;
1489     asm volatile (
1490         "xorl %%ebp, %%ebp"
1491     ::: "%ebp");
1492     return i;
1493 EOF
1494
1495     # check wether EBX is available on x86
1496     check_asm ebx_available '"":::"%ebx"'
1497
1498     # check whether binutils is new enough to compile SSSE3/MMX2
1499     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1500     enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1501
1502     check_asm bswap '"bswap %%eax" ::: "%eax"'
1503 fi
1504
1505 # check for assembler specific support
1506
1507 if test $arch = "powerpc"; then
1508 check_cc <<EOF && enable dcbzl
1509 int main(void) {
1510     register long zero = 0;
1511     char data[1024];
1512     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1513 return 0;
1514 }
1515 EOF
1516 fi
1517
1518 # check for SIMD availability
1519
1520 # AltiVec flags: The FSF version of GCC differs from the Apple version
1521 if enabled altivec; then
1522     check_cflags -maltivec -mabi=altivec &&
1523         check_header altivec.h ||
1524         check_cflags -faltivec
1525
1526     # check if our compiler supports Motorola AltiVec C API
1527     enabled altivec_h &&
1528         inc_altivec_h="#include <altivec.h>" ||
1529         inc_altivec_h=
1530     check_cc <<EOF || disable altivec
1531 $inc_altivec_h
1532 int main(void) {
1533     vector signed int v1, v2, v3;
1534     v1 = vec_add(v2,v3);
1535     return 0;
1536 }
1537 EOF
1538 fi
1539
1540 # We have to check if pld is a nop and disable it.
1541 enabled armv4l  && check_asm pld     '"pld [r0]"'
1542 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1543 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1544 enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1545 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1546 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1547 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1548
1549 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1550
1551 # ---
1552 # big/little-endian test
1553 check_cc <<EOF || die "endian test failed"
1554 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1555 EOF
1556 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1557
1558 # ---
1559 # check availability of some header files
1560
1561 if check_func dlopen; then
1562     ldl=
1563 elif check_func dlopen -ldl; then
1564     ldl=-ldl
1565 fi
1566
1567 check_func  fork
1568 check_func  gethrtime
1569 check_func  getrusage
1570 check_func  inet_aton $network_extralibs
1571 check_func  memalign
1572 check_func  mkstemp
1573 check_func2 windows.h GetProcessTimes
1574
1575 check_header byteswap.h
1576 check_header conio.h
1577 check_header dlfcn.h
1578 check_header malloc.h
1579 check_header sys/mman.h
1580 check_header termios.h
1581
1582 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1583     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1584 fi
1585
1586 enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
1587
1588 # ffserver uses poll(),
1589 # if it's not found we can emulate it using select().
1590 if enabled ffserver; then
1591     check_header poll.h
1592     check_header sys/select.h
1593 fi
1594
1595 # check for some common methods of building with pthread support
1596 # do this before the optional library checks as some of them require pthreads
1597 if enabled pthreads; then
1598     if check_func pthread_create; then
1599         :
1600     elif check_func pthread_create -pthread; then
1601         add_cflags -pthread
1602         add_extralibs -pthread
1603     elif check_func pthread_create -pthreads; then
1604         add_cflags -pthreads
1605         add_extralibs -pthreads
1606     elif check_func pthread_create -lpthreadGC2; then
1607         add_extralibs -lpthreadGC2
1608     elif ! check_lib pthread.h pthread_create -lpthread; then
1609         die "ERROR: can't find pthreads library"
1610     fi
1611 fi
1612
1613 for thread in $THREADS_LIST; do
1614     if enabled $thread; then
1615         test -n "$thread_type" &&
1616             die "ERROR: Only one thread type must be selected." ||
1617             thread_type="$thread"
1618     fi
1619 done
1620
1621 check_lib math.h sin -lm
1622
1623 # test for C99 functions in math.h
1624 for func in llrint lrint lrintf round roundf; do
1625     check_exec <<EOF && enable $func || disable $func
1626 #define _ISOC9X_SOURCE  1
1627 #include <math.h>
1628 int main(void) { return ($func(3.999f) > 0)?0:1; }
1629 EOF
1630 done
1631
1632 # these are off by default, so fail if requested and not available
1633 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1634 enabled liba52     && require  liba52 a52dec/a52.h a52_init -la52
1635 enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1636 enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1637 enabled libdirac   && add_cflags "$(pkg-config --cflags dirac)" \
1638                    && require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder \
1639                    && require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1640 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1641 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1642 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1643 enabled libmp3lame && require  LAME lame/lame.h lame_init -lmp3lame -lm
1644 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1645 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) \
1646                         && require libschroedinger schroedinger/schro.h schro_init -lschroedinger-1.0 -lpthread -loil-0.3 -lm -lrt
1647 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1648 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1649 enabled libx264    && require  x264 x264.h x264_encoder_open -lx264 -lm
1650 enabled libxvid    && require  Xvid xvid.h xvid_global -lxvidcore
1651 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1652
1653 # disable the native AC-3 decoder if liba52 is enabled
1654 enabled liba52 && disable ac3_decoder
1655
1656 # libdc1394 check
1657 if enabled libdc1394; then
1658     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1659         enable libdc1394_2; } ||
1660     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1661         enable libdc1394_1; } ||
1662     die "ERROR: No version of libdc1394 found "
1663 fi
1664
1665
1666 _restrict=
1667 for restrict_keyword in restrict __restrict__ __restrict; do
1668     check_cc <<EOF && _restrict=$restrict_keyword && break
1669 void foo(char * $restrict_keyword p);
1670 EOF
1671 done
1672
1673 test "$vhook" = "default" && vhook="$dlopen"
1674
1675 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1676     disable vhook
1677     echo
1678     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1679     echo "Patches welcome."
1680     echo
1681 fi
1682
1683 if enabled vhook; then
1684     check_ldflags -rdynamic
1685     check_ldflags -export-dynamic
1686 fi
1687
1688 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1689 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1690
1691 ##########################################
1692 # SDL check
1693
1694 disable sdl_too_old
1695 disable sdl
1696 SDL_CONFIG="${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 $cc -v 2>&1 | grep -q xlc; then
1804         add_cflags  "-O5"
1805         add_ldflags "-O5"
1806     else
1807         add_cflags "-O3"
1808     fi
1809 fi
1810 check_cflags -fno-math-errno
1811 check_cflags -fno-signed-zeros
1812
1813 # PIC flags for shared library objects where they are needed
1814 if enabled shared; then
1815     # LIBOBJFLAGS may have already been set in the OS configuration
1816     if test -z "$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 libdirac  && append pkg_requires "dirac"
1863 enabled libtheora && append pkg_requires "theora"
1864 enabled libvorbis && append pkg_requires "vorbisenc"
1865
1866 echo "install prefix            $prefix"
1867 echo "source path               $source_path"
1868 echo "C compiler                $cc"
1869 echo ".align is power-of-two    $asmalign_pot"
1870 echo "ARCH                      $arch ($cpu)"
1871 if test "$build_suffix" != ""; then
1872     echo "build suffix              $build_suffix"
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 "ARM VFP enabled           ${armvfp-no}"
1886     echo "IWMMXT enabled            ${iwmmxt-no}"
1887 fi
1888 if test $arch = "mips"; then
1889     echo "MMI enabled               ${mmi-no}"
1890 fi
1891 if test $arch = "powerpc"; then
1892     echo "AltiVec enabled           ${altivec-no}"
1893     echo "dcbzl available           ${dcbzl-no}"
1894 fi
1895 echo "gprof enabled             ${gprof-no}"
1896 echo "debug symbols             ${debug-no}"
1897 echo "strip symbols             ${stripping-no}"
1898 echo "optimizations             ${optimizations-no}"
1899 echo "static                    ${static-no}"
1900 echo "shared                    ${shared-no}"
1901 echo "postprocessing support    ${postproc-no}"
1902 echo "software scaler enabled   ${swscale-no}"
1903 echo "new filter support        ${avfilter-no}"
1904 echo "filters using lavformat   ${avfilter_lavf-no}"
1905 echo "video hooking             ${vhook-no}"
1906 if enabled vhook; then
1907     echo "Imlib2 support            ${imlib2-no}"
1908     echo "FreeType support          ${freetype2-no}"
1909 fi
1910 echo "network support           ${network-no}"
1911 if enabled network; then
1912     echo "IPv6 support              ${ipv6-no}"
1913 fi
1914 echo "threading support         ${thread_type-no}"
1915 echo "SDL support               ${sdl-no}"
1916 if enabled sdl_too_old; then
1917     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1918 fi
1919 echo "Sun medialib support      ${mlib-no}"
1920 echo "AVISynth enabled          ${avisynth-no}"
1921 echo "liba52 support            ${liba52-no}"
1922 echo "liba52 dlopened           ${liba52bin-no}"
1923 echo "libamr-nb support         ${libamr_nb-no}"
1924 echo "libamr-wb support         ${libamr_wb-no}"
1925 echo "libdc1394 support         ${libdc1394-no}"
1926 echo "libdirac enabled          ${libdirac-no}"
1927 echo "libfaac enabled           ${libfaac-no}"
1928 echo "libfaad enabled           ${libfaad-no}"
1929 echo "libfaad dlopened          ${libfaadbin-no}"
1930 echo "libgsm enabled            ${libgsm-no}"
1931 echo "libmp3lame enabled        ${libmp3lame-no}"
1932 echo "libnut enabled            ${libnut-no}"
1933 echo "libschroedinger enabled   ${libschroedinger-no}"
1934 echo "libtheora enabled         ${libtheora-no}"
1935 echo "libvorbis enabled         ${libvorbis-no}"
1936 echo "x264 enabled              ${libx264-no}"
1937 echo "XviD enabled              ${libxvid-no}"
1938 echo "zlib enabled              ${zlib-no}"
1939 echo
1940
1941 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
1942     echo "Enabled ${type}s:"
1943     eval list=\$$(toupper $type)_LIST
1944     for part in $list; do
1945         enabled $part && echo ${part%_*}
1946     done | sort | pr -3 -t
1947     echo
1948 done
1949
1950 enabled nonfree &&
1951     echo "License: unredistributable" ||
1952     (enabled gpl &&
1953         echo "License: GPL" ||
1954         echo "License: LGPL")
1955
1956 echo "Creating config.mak and config.h..."
1957
1958 echo "# Automatically generated by configure - do not modify!" > config.mak
1959 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1960 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
1961 echo "#define FFMPEG_CONFIG_H" >> $TMPH
1962 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1963
1964 echo "PREFIX=$prefix" >> config.mak
1965 echo "prefix=\$(DESTDIR)\$(PREFIX)" >> config.mak
1966 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
1967 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
1968 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
1969 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
1970 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
1971 echo "CC=$cc" >> config.mak
1972 echo "AR=$ar" >> config.mak
1973 echo "RANLIB=$ranlib" >> config.mak
1974 echo "LN_S=$ln_s" >> config.mak
1975 enabled stripping &&
1976     echo "STRIP=$strip" >> config.mak ||
1977     echo "STRIP=echo ignoring strip" >> config.mak
1978
1979 echo "OPTFLAGS=$CFLAGS" >> config.mak
1980 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1981 echo "LDFLAGS=$LDFLAGS" >> config.mak
1982 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1983 echo "SHFLAGS=$SHFLAGS" >> config.mak
1984 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1985 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1986 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1987 echo "BUILD_STATIC=$static" >> config.mak
1988 echo "BUILDSUF=$build_suffix" >> config.mak
1989 echo "FULLNAME=$FULLNAME" >> config.mak
1990 echo "LIBPREF=$LIBPREF" >> config.mak
1991 echo "LIBSUF=$LIBSUF" >> config.mak
1992 echo "LIBNAME=$LIBNAME" >> config.mak
1993 echo "SLIBPREF=$SLIBPREF" >> config.mak
1994 echo "SLIBSUF=$SLIBSUF" >> config.mak
1995 echo "EXESUF=$EXESUF" >> config.mak
1996 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
1997
1998 if enabled bigendian; then
1999     echo "WORDS_BIGENDIAN=yes" >> config.mak
2000     echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2001 fi
2002
2003 if enabled sdl; then
2004     echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2005     echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2006 fi
2007 if enabled texi2html; then
2008     echo "BUILD_DOC=yes" >> config.mak
2009 fi
2010
2011 get_version(){
2012     name=$1
2013     file=$source_path/$2
2014     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2015     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2016     lcname=$(tolower $name)
2017     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2018     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2019 }
2020
2021 get_version LIBSWSCALE  libswscale/swscale.h
2022 get_version LIBPOSTPROC libpostproc/postprocess.h
2023 get_version LIBAVCODEC  libavcodec/avcodec.h
2024 get_version LIBAVDEVICE libavdevice/avdevice.h
2025 get_version LIBAVFORMAT libavformat/avformat.h
2026 get_version LIBAVUTIL   libavutil/avutil.h
2027 get_version LIBAVFILTER libavfilter/avfilter.h
2028
2029 if enabled shared; then
2030     echo "BUILD_SHARED=yes" >> config.mak
2031     echo "PIC=-fPIC -DPIC" >> config.mak
2032     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2033     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2034     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2035     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2036     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2037     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2038     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2039 fi
2040 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2041 echo "EXTRALIBS=$extralibs" >> config.mak
2042
2043 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2044 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2045 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2046                                       $DECODER_LIST      \
2047                                       $ENCODER_LIST      \
2048                                       $PARSER_LIST       \
2049                                       $BSF_LIST          \
2050                                       $DEMUXER_LIST      \
2051                                       $MUXER_LIST        \
2052                                       $FILTER_LIST       \
2053                                       $PROTOCOL_LIST     \
2054                                       $INDEV_LIST        \
2055                                       $OUTDEV_LIST       \
2056
2057 echo "#define restrict $_restrict" >> $TMPH
2058
2059 if enabled small; then
2060     echo "#define av_always_inline"  >> $TMPH
2061 fi
2062
2063 echo "SRC_PATH=\"$source_path\"" >> config.mak
2064 echo "SRC_PATH_BARE=$source_path" >> config.mak
2065 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2066
2067 # Apparently it's not possible to portably echo a backslash.
2068 enabled asmalign_pot &&
2069     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2070     printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2071
2072 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2073
2074 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2075
2076 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2077 cmp -s $TMPH config.h &&
2078     echo "config.h is unchanged" ||
2079     mv -f $TMPH config.h
2080
2081 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2082
2083 # build tree in object directory if source path is different from current one
2084 if enabled source_path_used; then
2085     DIRS="\
2086         doc               \
2087         libavcodec        \
2088         libavcodec/alpha  \
2089         libavcodec/armv4l \
2090         libavcodec/bfin   \
2091         libavcodec/i386   \
2092         libavcodec/mlib   \
2093         libavcodec/ppc    \
2094         libavcodec/sh4    \
2095         libavcodec/sparc  \
2096         libavdevice       \
2097         libavfilter       \
2098         libavformat       \
2099         libavutil         \
2100         libpostproc       \
2101         libswscale        \
2102         tests             \
2103         tools             \
2104         vhook             \
2105         "
2106     FILES="\
2107         Makefile             \
2108         common.mak           \
2109         subdir.mak           \
2110         doc/texi2pod.pl      \
2111         libavcodec/Makefile  \
2112         libavdevice/Makefile \
2113         libavfilter/Makefile \
2114         libavformat/Makefile \
2115         libavutil/Makefile   \
2116         libpostproc/Makefile \
2117         libswscale/Makefile  \
2118         "
2119     for dir in $DIRS ; do
2120         mkdir -p $dir
2121     done
2122     for f in $FILES ; do
2123         $ln_s "$source_path/$f" $f
2124     done
2125 fi
2126
2127
2128 # build pkg-config files
2129
2130 pkgconfig_generate(){
2131 name=$1
2132 shortname=${name#lib}
2133 comment=$2
2134 version=$3
2135 libs=$4
2136 requires=$5
2137 cat <<EOF >$name.pc
2138 prefix=$prefix
2139 exec_prefix=\${prefix}
2140 libdir=$libdir
2141 includedir=$incdir
2142
2143 Name: $name
2144 Description: $comment
2145 Version: $version
2146 Requires: $requires
2147 Conflicts:
2148 Libs: -L\${libdir} -l${shortname}
2149 Libs.private: $libs
2150 Cflags: -I\${includedir}
2151 EOF
2152 cat <<EOF >$name-uninstalled.pc
2153 prefix=
2154 exec_prefix=
2155 libdir=\${pcfiledir}/$name
2156 includedir=\${pcfiledir}
2157
2158 Name: $name
2159 Description: $comment
2160 Version: $version
2161 Requires: $requires
2162 Conflicts:
2163 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF}
2164 Libs.private: $libs
2165 Cflags: -I\${includedir}
2166 EOF
2167 }
2168
2169 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2170 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2171 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2172 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2173 enabled avfilter && \
2174     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2175 enabled postproc && \
2176     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2177 if enabled swscale; then
2178     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2179 else
2180     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2181     apply libswscale.pc sed s/^Libs:.*$/Libs:/
2182 fi