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 "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"
  63   echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
  64   echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
  65   echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
  66   echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
  67   echo "  --enable-static          build static libraries [default=yes]"
  68   echo "  --disable-static         do not build static libraries [default=no]"
  69   echo "  --enable-shared          build shared libraries [default=no]"
  70   echo "  --disable-shared         do not build shared libraries [default=yes]"
  71   echo "  --enable-gpl             allow use of GPL code, the resulting libav*"
  72   echo "                           and ffmpeg will be under GPL [default=no]"
  73   echo "  --enable-nonfree         allow use of nonfree code, the resulting libav*"
  74   echo "                           and ffmpeg will be unredistributable [default=no]"
  75   echo "  --enable-postproc        enable GPLed postprocessing support [default=no]"
  76   echo "  --enable-swscale         software scaler support [default=no]"
  77   echo "  --enable-avfilter        video filter support (replaces vhook) [default=no]"
  78   echo "  --enable-avfilter-lavf   video filters dependant on avformat [default=no]"
  79   echo "  --enable-beosthreads     use BeOS threads [default=no]"
  80   echo "  --enable-os2threads      use OS/2 threads [default=no]"
  81   echo "  --enable-pthreads        use pthreads [default=no]"
  82   echo "  --enable-w32threads      use Win32 threads [default=no]"
  83   echo "  --enable-x11grab         enable X11 grabbing [default=no]"
  84   echo
  85   echo "External library support:"
  86   echo "  --enable-mlib            use Sun medialib [default=no]"
  87   echo "  --enable-liba52          enable GPLed liba52 support [default=no]"
  88   echo "  --enable-liba52bin       open liba52.so.0 at runtime [default=no]"
  89   echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"
  90   echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec"
  91   echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec"
  92   echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
  93   echo "                           and libraw1394 [default=no]"
  94   echo "  --enable-libdirac        enable Dirac support via libdirac [default=no]"
  95   echo "  --enable-libfaac         enable FAAC support via libfaac [default=no]"
  96   echo "  --enable-libfaad         enable FAAD support via libfaad [default=no]"
  97   echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [default=no]"
  98   echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
  99   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no]"
 100   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
 101   echo "                           native demuxer exists [default=no]"
 102   echo "  --enable-libschroedinger enable Dirac support via libschroedinger [default=no]"
 103   echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
 104   echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
 105   echo "                           native implementation exists [default=no]"
 106   echo "  --enable-libx264         enable H.264 encoding via x264 [default=no]"
 107   echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
 108   echo "                           native MPEG-4/Xvid encoder exists [default=no]"
 109   echo ""
 110   echo "Advanced options (experts only):"
 111   echo "  --source-path=PATH       path to source code [$source_path]"
 112   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 113   echo "  --enable-cross-compile   assume a cross-compiler is used"
 114   echo "  --target-os=OS           compiler targets OS [$target_os]"
 115   echo "  --cc=CC                  use C compiler CC [$cc]"
 116   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 117   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 118   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 119   echo "  --build-suffix=SUFFIX    suffix for application specific build []"
 120   echo "  --arch=ARCH              select architecture  [$arch]"
 121   echo "  --cpu=CPU                selects the minimum cpu required (affects"
 122   echo "                           instruction selection, may crash on older CPUs)"
 123   echo "  --enable-powerpc-perf    enable performance report on PPC"
 124   echo "                           (requires enabling PMC)"
 125   echo "  --disable-mmx            disable MMX usage"
 126   echo "  --disable-mmx2           disable MMX2 usage"
 127   echo "  --disable-ssse3          disable SSSE3 usage"
 128   echo "  --disable-armv5te        disable armv5te usage"
 129   echo "  --disable-armv6          disable armv6 usage"
 130   echo "  --disable-armvfp         disable ARM VFP usage"
 131   echo "  --disable-iwmmxt         disable iwmmxt usage"
 132   echo "  --disable-altivec        disable AltiVec usage"
 133   echo "  --disable-network        disable network support [default=no]"
 134   echo "  --disable-ipv6           disable ipv6 support [default=no]"
 135   echo "  --disable-zlib           disable zlib [default=no]"
 136   echo "  --disable-bzlib          disable bzlib [default=no]"
 137   echo "  --disable-vhook          disable video hooking support"
 138   echo "  --disable-debug          disable debugging symbols"
 139   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 140   echo "                           MPEG audio decoding [default=no]"
 141   echo "  --enable-gray            enable full grayscale support (slower color)"
 142   echo "  --disable-ffmpeg         disable ffmpeg build"
 143   echo "  --disable-ffserver       disable ffserver build"
 144   echo "  --disable-ffplay         disable ffplay build"
 145   echo "  --enable-small           optimize for size instead of speed"
 146   echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
 147   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 148   echo "  --disable-encoder=NAME   disables encoder NAME"
 149   echo "  --enable-encoder=NAME    enables encoder NAME"
 150   echo "  --disable-decoder=NAME   disables decoder NAME"
 151   echo "  --enable-decoder=NAME    enables decoder NAME"
 152   echo "  --disable-encoders       disables all encoders"
 153   echo "  --disable-decoders       disables all decoders"
 154   echo "  --disable-muxer=NAME     disables muxer NAME"
 155   echo "  --enable-muxer=NAME      enables muxer NAME"
 156   echo "  --disable-muxers         disables all muxers"
 157   echo "  --disable-demuxer=NAME   disables demuxer NAME"
 158   echo "  --enable-demuxer=NAME    enables demuxer NAME"
 159   echo "  --disable-demuxers       disables all demuxers"
 160   echo "  --enable-parser=NAME     enables parser NAME"
 161   echo "  --disable-parser=NAME    disables parser NAME"
 162   echo "  --disable-parsers        disables all parsers"
 163   echo "  --enable-bsf=NAME        enables bitstream filter NAME"
 164   echo "  --disable-bsf=NAME       disables bitstream filter NAME"
 165   echo "  --disable-bsfs           disables all bitstream filters"
 166   echo "  --enable-protocol=NAME   enables protocol NAME"
 167   echo "  --disable-protocol=NAME  disables protocol NAME"
 168   echo "  --disable-protocols      disables all protocols"
 169   echo "  --disable-devices        disables all devices"
 170   echo "  --list-decoders          show all available decoders"
 171   echo "  --list-encoders          show all available encoders"
 172   echo "  --list-muxers            show all available muxers"
 173   echo "  --list-demuxers          show all available demuxers"
 174   echo "  --list-parsers           show all available parsers"
 175   echo "  --list-protocols         show all available protocols"
 176   echo "  --list-bsfs              show all available bitstream filters"
 177   echo "  --list-indevs            show all available input devices"
 178   echo "  --list-outdevs           show all available output devices"
 179   echo
 180   echo "Developer options (useful when working on FFmpeg itself):"
 181   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 182   echo "  --disable-optimizations  disable compiler optimizations"
 183   echo "  --enable-extra-warnings  enable more compiler warnings"
 184   echo "  --disable-stripping      disable stripping of executables and shared libraries"
 185   echo ""
 186   echo "NOTE: Object files are built at the place where configure is launched."
 187   exit 1
 188 }
 189
 190 log(){
 191     echo "$@" >> $logfile
 192 }
 193
 194 log_file(){
 195     log BEGIN $1
 196     pr -n -t $1 >> $logfile
 197     log END $1
 198 }
 199
 200 echolog(){
 201     log "$@"
 202     echo "$@"
 203 }
 204
 205 die(){
 206     echolog "$@"
 207     cat <<EOF
 208 If you think configure made a mistake, make sure you are using the latest
 209 version from SVN.  If the latest version fails, report the problem to the
 210 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 211 EOF
 212     if disabled logging; then
 213         cat <<EOF
 214 Rerun configure with logging enabled (do not use --disable-logging), and
 215 include the log this produces with your report.
 216 EOF
 217     else
 218 cat <<EOF
 219 Include the log file "$logfile" produced by configure as this will help
 220 solving the problem.
 221 EOF
 222     fi
 223     rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
 224     exit 1
 225 }
 226
 227 # Avoid locale weirdness, besides we really just want to translate ASCII.
 228 toupper(){
 229     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 230 }
 231
 232 tolower(){
 233     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 234 }
 235
 236 set_all(){
 237     value=$1
 238     shift
 239     for var in $*; do
 240         eval $var=$value
 241     done
 242 }
 243
 244 pushvar(){
 245     for var in $*; do
 246         eval level=\${${var}_level:=0}
 247         eval ${var}_${level}="\$$var"
 248         eval ${var}_level=$(($level+1))
 249     done
 250 }
 251
 252 popvar(){
 253     for var in $*; do
 254         eval level=\${${var}_level:-0}
 255         test $level = 0 && continue
 256         eval level=$(($level-1))
 257         eval $var="\${${var}_${level}}"
 258         eval ${var}_level=$level
 259         eval unset ${var}_${level}
 260     done
 261 }
 262
 263 enable(){
 264     set_all yes $*
 265 }
 266
 267 disable(){
 268     set_all no $*
 269 }
 270
 271 enabled(){
 272     eval test "x\$$1" = "xyes"
 273 }
 274
 275 disabled(){
 276     eval test "x\$$1" = "xno"
 277 }
 278
 279 enabled_all(){
 280     for opt; do
 281         enabled $opt || return 1
 282     done
 283 }
 284
 285 disabled_all(){
 286     for opt; do
 287         disabled $opt || return 1
 288     done
 289 }
 290
 291 enabled_any(){
 292     for opt; do
 293         enabled $opt && return 0
 294     done
 295 }
 296
 297 disabled_any(){
 298     for opt; do
 299         disabled $opt && return 0
 300     done
 301 }
 302
 303 set_default(){
 304     for opt; do
 305         eval test -z "\$$opt" && eval $opt=\$${opt}_default
 306     done
 307 }
 308
 309 is_in(){
 310     value=$1
 311     shift
 312     for var in $*; do
 313         [ $var = $value ] && return 0
 314     done
 315     return 1
 316 }
 317
 318 check_deps(){
 319     for cfg; do
 320         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 321         disabled ${cfg}_checking && continue
 322         enable ${cfg}_checking
 323
 324         eval dep_all="\$${cfg}_deps"
 325         eval dep_any="\$${cfg}_deps_any"
 326
 327         pushvar cfg dep_all dep_any
 328         check_deps $dep_all $dep_any
 329         popvar cfg dep_all dep_any
 330
 331         enabled_all $dep_all || disable $cfg
 332         enabled_any $dep_any || disable $cfg
 333
 334         if enabled $cfg; then
 335             eval dep_extralibs="\$${cfg}_extralibs"
 336             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 337         fi
 338
 339         disable ${cfg}_checking
 340     done
 341 }
 342
 343 print_config(){
 344     pfx=$1
 345     header=$2
 346     makefile=$3
 347     shift 3
 348     for cfg; do
 349         ucname="`toupper $cfg`"
 350         if enabled $cfg; then
 351             echo "#define ${pfx}${ucname} 1" >> $header
 352             echo "#define ENABLE_${ucname} 1" >> $header
 353             echo "${pfx}${ucname}=yes" >> $makefile
 354         else
 355             echo "#define ENABLE_${ucname} 0" >> $header
 356         fi
 357     done
 358 }
 359
 360 flags_saved(){
 361     (: ${SAVE_CFLAGS?}) 2> /dev/null
 362 }
 363
 364 save_flags(){
 365     flags_saved && return
 366     SAVE_CFLAGS="$CFLAGS"
 367     SAVE_LDFLAGS="$LDFLAGS"
 368     SAVE_extralibs="$extralibs"
 369 }
 370
 371 restore_flags(){
 372     flags_saved || return
 373     CFLAGS="$SAVE_CFLAGS"
 374     LDFLAGS="$SAVE_LDFLAGS"
 375     extralibs="$SAVE_extralibs"
 376     unset SAVE_CFLAGS
 377     unset SAVE_LDFLAGS
 378     unset SAVE_extralibs
 379 }
 380
 381 temp_cflags(){
 382     save_flags
 383     CFLAGS="$CFLAGS $*"
 384 }
 385
 386 temp_ldflags(){
 387     save_flags
 388     LDFLAGS="$LDFLAGS $*"
 389 }
 390
 391 temp_extralibs(){
 392     save_flags
 393     extralibs="$extralibs $*"
 394 }
 395
 396 append(){
 397     var=$1
 398     shift
 399     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 400     eval "$var=\"\$$var $*\""
 401 }
 402
 403 add_cflags(){
 404     append CFLAGS "$@"
 405 }
 406
 407 add_ldflags(){
 408     append LDFLAGS "$@"
 409 }
 410
 411 add_extralibs(){
 412     append extralibs "$@"
 413 }
 414
 415 check_cmd(){
 416     log "$@"
 417     "$@" >> $logfile 2>&1
 418 }
 419
 420 check_cc(){
 421     log check_cc "$@"
 422     cat > $TMPC
 423     log_file $TMPC
 424     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 425 }
 426
 427 check_cpp(){
 428     log check_cpp "$@"
 429     cat > $TMPC
 430     log_file $TMPC
 431     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 432 }
 433
 434 check_asm(){
 435     log check_asm "$@"
 436     name="$1"
 437     asm="$2"
 438     shift 2
 439     check_cc "$@" <<EOF && enable $name || disable $name
 440 int foo(void){ asm volatile($asm); }
 441 EOF
 442 }
 443
 444 check_ld(){
 445     log check_ld "$@"
 446     check_cc || return
 447     flags=''
 448     libs=''
 449     for f; do
 450         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 451     done
 452     check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 453 }
 454
 455 check_cflags(){
 456     log check_cflags "$@"
 457     check_cc "$@" <<EOF && add_cflags "$@"
 458 int x;
 459 EOF
 460 }
 461
 462 check_ldflags(){
 463     log check_ldflags "$@"
 464     check_ld "$@" <<EOF && add_ldflags "$@"
 465 int main(void){ return 0; }
 466 EOF
 467 }
 468
 469 check_header(){
 470     log check_header "$@"
 471     header=$1
 472     shift
 473     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 474     disable $var
 475     check_cpp "$@" <<EOF && enable $var
 476 #include <$header>
 477 int x;
 478 EOF
 479 }
 480
 481 check_func(){
 482     log check_func "$@"
 483     func=$1
 484     shift
 485     disable $func
 486     check_ld "$@" <<EOF && enable $func
 487 extern int $func();
 488 int main(void){ $func(); }
 489 EOF
 490 }
 491
 492 check_func2(){
 493     log check_func2 "$@"
 494     headers=$1
 495     func=$2
 496     shift 2
 497     disable $func
 498     incs=""
 499     for hdr in $headers; do
 500         incs="$incs
 501 #include <$hdr>"
 502     done
 503     check_ld "$@" <<EOF && enable $func
 504 $incs
 505 int main(int argc, char **argv){
 506     (void) $func;
 507     return 0;
 508 }
 509 EOF
 510 }
 511
 512 check_lib(){
 513     log check_lib "$@"
 514     header="$1"
 515     func="$2"
 516     shift 2
 517     temp_extralibs "$@"
 518     check_header $header && check_func $func && add_extralibs "$@"
 519     err=$?
 520     restore_flags
 521     return $err
 522 }
 523
 524 check_lib2(){
 525     log check_lib2 "$@"
 526     headers="$1"
 527     func="$2"
 528     shift 2
 529     temp_extralibs "$@"
 530     check_func2 "$headers" $func && add_extralibs "$@"
 531     err=$?
 532     restore_flags
 533     return $err
 534 }
 535
 536 check_exec(){
 537     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 538 }
 539
 540 check_exec_crash(){
 541     code=`cat`
 542
 543     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 544     # are safe but may not be available everywhere.  Thus we use
 545     # raise(SIGTERM) instead.  The check is run in a subshell so we
 546     # can redirect the "Terminated" message from the shell.  SIGBUS
 547     # is not defined by standard C so it is used conditionally.
 548
 549     (check_exec "$@") >> $logfile 2>&1 <<EOF
 550 #include <signal.h>
 551 static void sighandler(int sig){
 552     raise(SIGTERM);
 553 }
 554 int main(void){
 555     signal(SIGILL, sighandler);
 556     signal(SIGFPE, sighandler);
 557     signal(SIGSEGV, sighandler);
 558 #ifdef SIGBUS
 559     signal(SIGBUS, sighandler);
 560 #endif
 561     { $code }
 562 }
 563 EOF
 564 }
 565
 566 check_type(){
 567     log check_type "$@"
 568     headers=$1
 569     type=$2
 570     shift 2
 571     disable $type
 572     incs=""
 573     for hdr in $headers; do
 574         incs="$incs
 575 #include <$hdr>"
 576     done
 577     check_cc "$@" <<EOF && enable $type
 578 $incs
 579 $type v;
 580 EOF
 581 }
 582
 583 require(){
 584     name="$1"
 585     header="$2"
 586     func="$3"
 587     shift 3
 588     check_lib $header $func "$@" || die "ERROR: $name not found"
 589 }
 590
 591 require2(){
 592     name="$1"
 593     headers="$2"
 594     func="$3"
 595     shift 3
 596     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 597 }
 598
 599 check_foo_config(){
 600     cfg=$1
 601     pkg=$2
 602     header=$3
 603     func=$4
 604     shift 4
 605     disable $cfg
 606     check_cmd ${pkg}-config --version
 607     err=$?
 608     if test "$err" = 0; then
 609         temp_cflags `${pkg}-config --cflags`
 610         temp_extralibs `${pkg}-config --libs`
 611         check_lib "$@" $header $func && enable $cfg
 612     fi
 613     return $err
 614 }
 615
 616 apply(){
 617     file=$1
 618     shift
 619     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 620 }
 621
 622 COMPONENT_LIST="
 623     bsfs
 624     decoders
 625     demuxers
 626     encoders
 627     filters
 628     indevs
 629     muxers
 630     outdevs
 631     parsers
 632     protocols
 633 "
 634
 635 CONFIG_LIST="
 636     $COMPONENT_LIST
 637     avfilter
 638     avfilter_lavf
 639     avisynth
 640     beos_netserver
 641     bzlib
 642     ffmpeg
 643     ffplay
 644     ffserver
 645     gpl
 646     gprof
 647     gray
 648     hardcoded_tables
 649     ipv6
 650     liba52
 651     liba52bin
 652     libamr_nb
 653     libamr_wb
 654     libdc1394
 655     libdirac
 656     libfaac
 657     libfaad
 658     libfaadbin
 659     libgsm
 660     libmp3lame
 661     libnut
 662     libschroedinger
 663     libtheora
 664     libvorbis
 665     libx264
 666     libxvid
 667     memalign_hack
 668     mlib
 669     mpegaudio_hp
 670     network
 671     nonfree
 672     postproc
 673     powerpc_perf
 674     small
 675     swscale
 676     vhook
 677     x11grab
 678     zlib
 679 "
 680
 681 THREADS_LIST='
 682     beosthreads
 683     os2threads
 684     pthreads
 685     w32threads
 686 '
 687
 688 ARCH_LIST='
 689     alpha
 690     armv4l
 691     bfin
 692     ia64
 693     m68k
 694     mips
 695     parisc
 696     powerpc
 697     s390
 698     sh4
 699     sparc
 700     sparc64
 701     x86
 702     x86_32
 703     x86_64
 704 '
 705
 706 ARCH_EXT_LIST='
 707     altivec
 708     armv5te
 709     armv6
 710     armvfp
 711     iwmmxt
 712     mmi
 713     mmx
 714     mmx2
 715     neon
 716     ssse3
 717     vis
 718 '
 719
 720 HAVE_LIST="
 721     $ARCH_EXT_LIST
 722     $THREADS_LIST
 723     altivec_h
 724     altivec_vector_braces
 725     arpa_inet_h
 726     bswap
 727     byteswap_h
 728     closesocket
 729     cmov
 730     conio_h
 731     dcbzl
 732     dev_bktr_ioctl_bt848_h
 733     dev_bktr_ioctl_meteor_h
 734     dev_ic_bt8xx_h
 735     dev_video_meteor_ioctl_meteor_h
 736     dev_video_bktr_ioctl_bt848_h
 737     dlfcn_h
 738     dlopen
 739     ebp_available
 740     ebx_available
 741     fast_64bit
 742     fast_cmov
 743     fast_unaligned
 744     fork
 745     freetype2
 746     gethrtime
 747     GetProcessTimes
 748     getrusage
 749     imlib2
 750     inet_aton
 751     inline_asm
 752     libdc1394_1
 753     libdc1394_2
 754     llrint
 755     lrint
 756     lrintf
 757     machine_ioctl_bt848_h
 758     machine_ioctl_meteor_h
 759     malloc_h
 760     memalign
 761     mkstemp
 762     pld
 763     ppc64
 764     round
 765     roundf
 766     sdl
 767     sdl_video_size
 768     socklen_t
 769     soundcard_h
 770     poll_h
 771     sys_mman_h
 772     sys_resource_h
 773     sys_select_h
 774     sys_soundcard_h
 775     termios_h
 776     threads
 777     winsock2_h
 778 "
 779
 780 CMDLINE_SELECT="
 781     $ARCH_EXT_LIST
 782     $CONFIG_LIST
 783     $THREADS_LIST
 784     cross_compile
 785     debug
 786     extra_warnings
 787     logging
 788     optimizations
 789     shared
 790     static
 791     stripping
 792 "
 793
 794 PATHS_LIST='
 795     bindir
 796     incdir
 797     libdir
 798     mandir
 799     prefix
 800     shlibdir
 801 '
 802
 803 CMDLINE_SET="
 804     $PATHS_LIST
 805     arch
 806     build_suffix
 807     cc
 808     cpu
 809     cross_prefix
 810     logfile
 811     source_path
 812     target_os
 813 "
 814
 815 # code dependency declarations
 816
 817 # architecture extensions
 818 altivec_deps="powerpc"
 819 armv5te_deps="armv4l"
 820 armv6_deps="armv4l"
 821 armvfp_deps="armv4l"
 822 iwmmxt_deps="armv4l"
 823 mmi_deps="mips"
 824 mmx_deps="x86"
 825 mmx2_deps="x86 mmx"
 826 neon_deps="armv4l"
 827 ssse3_deps="x86"
 828 vis_deps="sparc"
 829
 830 # decoders / encoders
 831 ac3_decoder_deps="gpl"
 832 dxa_decoder_deps="zlib"
 833 flashsv_decoder_deps="zlib"
 834 flashsv_encoder_deps="zlib"
 835 mpeg_xvmc_decoder_deps="xvmc"
 836 png_decoder_deps="zlib"
 837 png_encoder_deps="zlib"
 838 zmbv_decoder_deps="zlib"
 839 zmbv_encoder_deps="zlib"
 840
 841 # external libraries
 842 liba52_decoder_deps="liba52"
 843 liba52bin_decoder_extralibs='$ldl'
 844 libamr_nb_decoder_deps="libamr_nb"
 845 libamr_nb_encoder_deps="libamr_nb"
 846 libamr_wb_decoder_deps="libamr_wb"
 847 libamr_wb_encoder_deps="libamr_wb"
 848 libdirac_decoder_deps="libdirac"
 849 libdirac_encoder_deps="libdirac"
 850 libfaac_encoder_deps="libfaac"
 851 libfaad_decoder_deps="libfaad"
 852 libfaadbin_decoder_extralibs='$ldl'
 853 libgsm_decoder_deps="libgsm"
 854 libgsm_encoder_deps="libgsm"
 855 libgsm_ms_decoder_deps="libgsm"
 856 libgsm_ms_encoder_deps="libgsm"
 857 libmp3lame_encoder_deps="libmp3lame"
 858 libschroedinger_decoder_deps="libschroedinger"
 859 libschroedinger_encoder_deps="libschroedinger"
 860 libtheora_encoder_deps="libtheora"
 861 libvorbis_encoder_deps="libvorbis"
 862 libx264_encoder_deps="libx264"
 863 libxvid_encoder_deps="libxvid"
 864 mpeg4aac_decoder_deps="libfaad"
 865
 866 # demuxers / muxers
 867 ac3_demuxer_deps="ac3_parser"
 868 audio_beos_demuxer_deps="audio_beos"
 869 audio_beos_demuxer_extralibs="-lmedia -lbe"
 870 audio_beos_muxer_deps="audio_beos"
 871 audio_beos_muxer_extralibs="-lmedia -lbe"
 872 avisynth_demuxer_deps="avisynth"
 873 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
 874 dirac_demuxer_deps="dirac_parser"
 875 dv1394_demuxer_deps="dv1394 dv_demuxer"
 876 libdc1394_demuxer_deps="libdc1394"
 877 libnut_demuxer_deps="libnut"
 878 libnut_muxer_deps="libnut"
 879 mp3_demuxer_deps="mpegaudio_parser"
 880 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
 881 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
 882 redir_demuxer_deps="network"
 883 rtp_muxer_deps="network rtp_protocol"
 884 rtsp_demuxer_deps="sdp_demuxer"
 885 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
 886 v4l_demuxer_deps="linux_videodev_h"
 887 v4l2_demuxer_deps="linux_videodev2_h"
 888 vfwcap_demuxer_deps="capCreateCaptureWindow"
 889 vfwcap_demuxer_extralibs="-lvfw32"
 890 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
 891 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
 892
 893 # protocols
 894 http_protocol_deps="network"
 895 rtp_protocol_deps="udp_protocol"
 896 tcp_protocol_deps="network"
 897 udp_protocol_deps="network"
 898
 899 # filters
 900 movie_filter_deps="avfilter_lavf"
 901
 902 # programs
 903 ffplay_deps="sdl"
 904 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
 905 ffserver_extralibs='$ldl'
 906 vhook_extralibs='$ldl'
 907
 908
 909 # default parameters
 910
 911 logfile="config.err"
 912
 913 # installation paths
 914 prefix_default="/usr/local"
 915 bindir_default='${prefix}/bin'
 916 incdir_default='${prefix}/include'
 917 libdir_default='${prefix}/lib'
 918 mandir_default='${prefix}/share/man'
 919 shlibdir_default="$libdir_default"
 920
 921 # toolchain
 922 cc="gcc"
 923 ar="ar"
 924 nm="nm"
 925 ranlib="ranlib"
 926 strip="strip"
 927 asmalign_pot="unknown"
 928 ln_s="ln -sf"
 929
 930 # machine
 931 arch=`uname -m`
 932 cpu="generic"
 933
 934 # OS
 935 target_os=$(tolower $(uname -s))
 936
 937 # libraries
 938 enable bzlib
 939 enable zlib
 940
 941 # configurable options
 942 enable debug
 943 enable ffmpeg
 944 enable ffplay
 945 enable ffserver
 946 enable ipv6
 947 enable mpegaudio_hp
 948 enable network
 949 enable optimizations
 950 enable protocols
 951 enable static
 952 enable stripping
 953 vhook="default"
 954
 955 # build settings
 956 SHFLAGS='-shared -Wl,-soname,$$(@F)'
 957 VHOOKSHFLAGS='$(SHFLAGS)'
 958 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
 959 FFSERVERLDFLAGS=-Wl,-E
 960 LIBPREF="lib"
 961 LIBSUF=".a"
 962 FULLNAME='$(NAME)$(BUILDSUF)'
 963 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
 964 SLIBPREF="lib"
 965 SLIBSUF=".so"
 966 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
 967 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
 968 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
 969 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
 970
 971 # gcc stupidly only outputs the basename of targets with -MM
 972 DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "1s,^,$(@D)/," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
 973
 974 # find source path
 975 source_path="`dirname \"$0\"`"
 976 enable source_path_used
 977 if test -z "$source_path" -o "$source_path" = "." ; then
 978     source_path="`pwd`"
 979     disable source_path_used
 980 else
 981     source_path="`cd \"$source_path\"; pwd`"
 982     echo "$source_path" | grep -q '[[:blank:]]' &&
 983         die "Out of tree builds are impossible with whitespace in source path."
 984 fi
 985
 986 FFMPEG_CONFIGURATION="$@"
 987
 988 find_things(){
 989     thing=$1
 990     pattern=$2
 991     file=$source_path/$3
 992     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
 993 }
 994
 995 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
 996 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
 997 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
 998 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
 999 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1000 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1001 OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1002 INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1003 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1004 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1005
1006 enable $ARCH_EXT_LIST \
1007        $DECODER_LIST \
1008        $ENCODER_LIST \
1009        $PARSER_LIST \
1010        $BSF_LIST \
1011        $DEMUXER_LIST \
1012        $MUXER_LIST \
1013        $FILTER_LIST \
1014        $PROTOCOL_LIST \
1015        $INDEV_LIST \
1016        $OUTDEV_LIST \
1017
1018 die_unknown(){
1019     echo "Unknown option \"$1\"."
1020     echo "See $0 --help for available options."
1021     exit 1
1022 }
1023
1024 show_list() {
1025     suffix=_$1
1026     shift
1027     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1028     exit 0
1029 }
1030
1031 for opt do
1032     optval="${opt#*=}"
1033     case "$opt" in
1034     --extra-cflags=*) add_cflags "$optval"
1035     ;;
1036     --extra-ldflags=*) add_ldflags "$optval"
1037     ;;
1038     --extra-libs=*) add_extralibs "$optval"
1039     ;;
1040     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1041     ;;
1042     --enable-debug=*) debuglevel="$optval"
1043     ;;
1044     --enable-*=*|--disable-*=*)
1045     eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1046     case "$thing" in
1047         encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1048         *) die_unknown "$opt" ;;
1049     esac
1050     ;;
1051     --enable-?*|--disable-?*)
1052     eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1053     if is_in $option $COMPONENT_LIST; then
1054         eval $action \$$(toupper ${option%s})_LIST
1055     elif is_in $option $CMDLINE_SELECT; then
1056         $action $option
1057     else
1058         die_unknown $opt
1059     fi
1060     ;;
1061     --list-*)
1062         NAME="${opt#--list-}"
1063         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1064         NAME=${NAME%s}
1065         eval show_list $NAME \$$(toupper $NAME)_LIST
1066     ;;
1067     --help|-h) show_help
1068     ;;
1069     *)
1070     optname="${opt%=*}"
1071     optname="${optname#--}"
1072     optname=$(echo "$optname" | sed 's/-/_/g')
1073     is_in $optname $CMDLINE_SET || die_unknown $opt
1074     eval $optname='$optval'
1075     ;;
1076     esac
1077 done
1078
1079 disabled logging && logfile=/dev/null
1080
1081 echo "# $0 $@" > $logfile
1082 set >> $logfile
1083
1084 cc="${cross_prefix}${cc}"
1085 ar="${cross_prefix}${ar}"
1086 nm="${cross_prefix}${nm}"
1087 ranlib="${cross_prefix}${ranlib}"
1088 strip="${cross_prefix}${strip}"
1089
1090 # set temporary file name
1091 if test ! -z "$TMPDIR" ; then
1092     TMPDIR1="${TMPDIR}"
1093 elif test ! -z "$TEMPDIR" ; then
1094     TMPDIR1="${TEMPDIR}"
1095 else
1096     TMPDIR1="/tmp"
1097 fi
1098
1099 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1100 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1101 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1102 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1103 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1104 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1105
1106 case "$arch" in
1107     i386|i486|i586|i686|i86pc|BePC)
1108         arch="x86_32"
1109         enable fast_unaligned
1110     ;;
1111     x86_64|amd64)
1112         arch="x86_32"
1113         enable fast_unaligned
1114         check_cc <<EOF && enable fast_64bit && arch="x86_64"
1115         int test[sizeof(char*) - 7];
1116 EOF
1117     ;;
1118     # armv4l is a subset of armv[567]*l
1119     arm|armv[4567]*l)
1120         arch="armv4l"
1121     ;;
1122     alpha)
1123         arch="alpha"
1124         enable fast_64bit
1125     ;;
1126     "Power Macintosh"|ppc|powerpc)
1127         arch="powerpc"
1128     ;;
1129     ppc64)
1130         arch="powerpc"
1131         enable fast_64bit
1132     ;;
1133     mips|mipsel|IP*)
1134         arch="mips"
1135     ;;
1136     sun4u|sparc64)
1137         arch="sparc64"
1138         enable fast_64bit
1139     ;;
1140     sparc)
1141         arch="sparc"
1142     ;;
1143     sh4)
1144         arch="sh4"
1145     ;;
1146     parisc)
1147         arch="parisc"
1148     ;;
1149     parisc64)
1150         arch="parisc"
1151         enable fast_64bit
1152     ;;
1153     s390|s390x)
1154         arch="s390"
1155     ;;
1156     m68k)
1157         arch="m68k"
1158     ;;
1159     ia64)
1160         arch="ia64"
1161         enable fast_64bit
1162     ;;
1163     bfin)
1164         arch="bfin"
1165     ;;
1166     *)
1167         arch="unknown"
1168     ;;
1169 esac
1170
1171 enable $arch
1172 enabled_any x86_32 x86_64 && enable x86
1173 enabled     sparc64       && enable sparc
1174
1175 # OS specific
1176 case $target_os in
1177     beos|haiku|zeta)
1178         prefix_default="$HOME/config"
1179         # helps building libavcodec
1180         add_cflags "-DPIC -fomit-frame-pointer"
1181         # 3 gcc releases known for BeOS, each with ugly bugs
1182         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1183         case "$gcc_version" in
1184           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1185             disable mmx
1186             ;;
1187           *20010315*) echo "BeBits gcc"
1188             add_cflags "-fno-expensive-optimizations"
1189             ;;
1190         esac
1191         SHFLAGS=-nostart
1192         # enable BeOS things
1193         enable audio_beos
1194         # no need for libm, but the inet stuff
1195         # Check for BONE
1196         # XXX: actually should check for NOT net_server
1197         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1198             network_extralibs="-lbind -lsocket"
1199         else
1200             enable beos_netserver
1201             network_extralibs="-lnet"
1202         fi ;;
1203     sunos)
1204         FFSERVERLDFLAGS=""
1205         SHFLAGS='-shared -Wl,-h,$$(@F)'
1206         network_extralibs="-lsocket -lnsl"
1207         ;;
1208     netbsd)
1209         oss_demuxer_extralibs="-lossaudio"
1210         oss_muxer_extralibs="-lossaudio"
1211         ;;
1212     openbsd)
1213         disable need_memalign
1214         LIBOBJFLAGS='$(PIC)'
1215         SHFLAGS='-shared'
1216         SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1217         SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1218         SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1219         oss_demuxer_extralibs="-lossaudio"
1220         oss_muxer_extralibs="-lossaudio"
1221         ;;
1222     freebsd)
1223         disable need_memalign
1224         ;;
1225     bsd/os)
1226         osextralibs="-lpoll -lgnugetopt"
1227         strip="strip -d"
1228         ;;
1229     darwin)
1230         disable need_memalign
1231         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1232         VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1233         strip="strip -x"
1234         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1235         SLIBSUF=".dylib"
1236         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1237         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1238         FFSERVERLDFLAGS=-Wl,-bind_at_load
1239         ;;
1240     mingw32*)
1241         target_os=mingw32
1242         LIBTARGET=i386
1243         if test $arch = x86_64; then
1244             disable need_memalign
1245             LIBTARGET=x64
1246         fi
1247         shlibdir_default="$bindir_default"
1248         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1249         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1250         if enabled swscale; then
1251             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1252             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1253         fi
1254         disable ffserver
1255         SLIBPREF=""
1256         SLIBSUF=".dll"
1257         EXESUF=".exe"
1258         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1259         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1260         SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1261         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1262             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1263         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1264         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1265         ;;
1266     cygwin*)
1267         target_os=cygwin
1268         shlibdir_default="$bindir_default"
1269         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1270         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1271         if enabled swscale; then
1272             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1273             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1274         fi
1275         EXESUF=".exe"
1276         SLIBPREF="cyg"
1277         SLIBSUF=".dll"
1278         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1279         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1280         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1281         ;;
1282     *-dos|freedos|opendos)
1283         disable ffplay ffserver vhook
1284         disable $INDEV_LIST $OUTDEV_LIST
1285         network_extralibs="-lsocket"
1286         EXESUF=".exe"
1287         ;;
1288     linux)
1289         LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1290         enable dv1394
1291         ;;
1292     irix*)
1293         target_os=irix
1294         ranlib="echo ignoring ranlib"
1295         ;;
1296     os/2*)
1297         strip="lxlite"
1298         ln_s="cp -f"
1299         EXESUF=".exe"
1300         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1301         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1302         FFSERVERLDFLAGS=""
1303         LIBSUF="_s.a"
1304         SLIBPREF=""
1305         SLIBSUF=".dll"
1306         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1307         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1308         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1309           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1310           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1311           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1312           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1313           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1314         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1315           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1316         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1317         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1318         disable vhook
1319         ;;
1320     interix)
1321         disable vhook
1322         ;;
1323
1324     *)
1325         target_os="${target_os}-UNKNOWN"
1326         ;;
1327 esac
1328
1329 set_default $PATHS_LIST
1330
1331 add_extralibs $osextralibs
1332
1333 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1334 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1335
1336 test -n "$cross_prefix" && enable cross_compile
1337
1338 # we need to build at least one lib type
1339 if ! enabled_any static shared; then
1340     cat <<EOF
1341 At least one library type must be built.
1342 Specify --enable-static to build the static libraries or --enable-shared to
1343 build the shared libraries as well. To only build the shared libraries specify
1344 --disable-static in addition to --enable-shared.
1345 EOF
1346     exit 1;
1347 fi
1348
1349 disabled static && LIBNAME=""
1350
1351 if enabled_any libfaad libfaadbin ; then
1352     if check_header faad.h; then
1353         check_cc << EOF
1354 #include <faad.h>
1355 #ifndef FAAD2_VERSION
1356 ok faad1
1357 #endif
1358 int main(void) { return 0; }
1359 EOF
1360         test $? = 0 && enable libfaad2
1361     else
1362         die "FAAD test failed."
1363     fi
1364 fi
1365
1366
1367 if ! enabled gpl; then
1368     die_gpl_disabled(){
1369         name=$1
1370         shift
1371         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1372     }
1373     die_gpl_disabled "The Postprocessing code" postproc
1374     die_gpl_disabled "liba52"                  liba52
1375     die_gpl_disabled "libx264"                 libx264
1376     die_gpl_disabled "libxvidcore"             libxvid
1377     die_gpl_disabled "FAAD2"                   libfaad2
1378     die_gpl_disabled "The X11 grabber"         x11grab
1379     die_gpl_disabled "The software scaler"     swscale
1380 fi
1381
1382 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1383     die "libamr is nonfree and --enable-nonfree is not specified."
1384 fi
1385
1386 check_deps $ARCH_EXT_LIST
1387
1388 test -z "$need_memalign" && need_memalign="$mmx"
1389
1390 #Darwin CC versions
1391 if test $target_os = darwin; then
1392     if $cc -v 2>&1 | grep -q xlc; then
1393         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1394     else
1395         add_cflags "-pipe"
1396         check_cflags "-force_cpusubtype_ALL"
1397         check_cflags "-Wno-sign-compare"
1398         enabled shared || check_cflags -mdynamic-no-pic
1399     fi
1400 fi
1401
1402 disabled optimizations || add_cflags -fomit-frame-pointer
1403
1404 # Add processor-specific flags
1405 if test $cpu != "generic"; then
1406     warn_altivec(){
1407         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1408     }
1409     case $cpu in
1410         601|ppc601|PowerPC601)
1411             add_cflags "-mcpu=601"
1412             warn_altivec enabled PPC601
1413         ;;
1414         603*|ppc603*|PowerPC603*)
1415             add_cflags "-mcpu=603"
1416             warn_altivec enabled PPC603
1417         ;;
1418         604*|ppc604*|PowerPC604*)
1419             add_cflags "-mcpu=604"
1420             warn_altivec enabled PPC604
1421         ;;
1422         G3|g3|75*|ppc75*|PowerPC75*)
1423             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1424             warn_altivec enabled PPC75x
1425         ;;
1426         G4|g4|745*|ppc745*|PowerPC745*)
1427             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1428             warn_altivec disabled PPC745x
1429         ;;
1430         74*|ppc74*|PowerPC74*)
1431             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1432             warn_altivec disabled PPC74xx
1433         ;;
1434         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1435             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1436             warn_altivec disabled PPC970
1437             enable ppc64
1438         ;;
1439         Cell|CELL|cell)
1440             add_cflags "-mcpu=cell"
1441             warn_altivec disabled Cell
1442             enable ppc64
1443         ;;
1444         # targets that do NOT support conditional mov (cmov)
1445         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1446             add_cflags "-march=$cpu"
1447             disable cmov
1448         ;;
1449         # targets that do support conditional mov (cmov)
1450         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1451             add_cflags "-march=$cpu"
1452             enable cmov
1453             enable fast_cmov
1454         ;;
1455         # targets that do support conditional mov but on which it's slow
1456         pentium4|pentium4m|prescott|nocona)
1457             add_cflags "-march=$cpu"
1458             enable cmov
1459             disable fast_cmov
1460         ;;
1461         sparc64)
1462             add_cflags "-mcpu=v9"
1463         ;;
1464         arm*|cortex*)
1465             add_cflags "-mcpu=$cpu"
1466         ;;
1467         *)
1468             echo "WARNING: Unknown CPU \"$cpu\", ignored."
1469         ;;
1470     esac
1471 fi
1472
1473 # make sure we can execute files in $TMPDIR
1474 cat > $TMPSH 2>> $logfile <<EOF
1475 #! /bin/sh
1476 EOF
1477 chmod +x $TMPSH >> $logfile 2>&1
1478 if ! $TMPSH >> $logfile 2>&1; then
1479     cat <<EOF
1480 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1481 variable to another directory and make sure that $TMPDIR1 is not mounted
1482 noexec.
1483 EOF
1484     die "Sanity test failed."
1485 fi
1486 rm $TMPSH
1487
1488 # compiler sanity check
1489 check_exec <<EOF
1490 int main(void){ return 0; }
1491 EOF
1492 if test "$?" != 0; then
1493     echo "$cc is unable to create an executable file."
1494     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1495         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1496         echo "Only do this if you know what cross compiling means."
1497     fi
1498     die "C compiler test failed."
1499 fi
1500
1501 check_cc <<EOF || die "Symbol mangling check failed."
1502 int ff_extern;
1503 EOF
1504 sym=$($nm -P -g $TMPO | grep ff_extern)
1505 extern_prefix=${sym%%ff_extern*}
1506
1507 check_asm inline_asm '""'
1508
1509 if enabled x86; then
1510     # check whether EBP is available on x86
1511     # As 'i' is stored on the stack, this program will crash
1512     # if the base pointer is used to access it because the
1513     # base pointer is cleared in the inline assembly code.
1514     check_exec_crash <<EOF && enable ebp_available
1515     volatile int i=0;
1516     asm volatile (
1517         "xorl %%ebp, %%ebp"
1518     ::: "%ebp");
1519     return i;
1520 EOF
1521
1522     # check wether EBX is available on x86
1523     check_asm ebx_available '"":::"%ebx"'
1524
1525     # check whether binutils is new enough to compile SSSE3/MMX2
1526     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1527     enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1528
1529     check_asm bswap '"bswap %%eax" ::: "%eax"'
1530 fi
1531
1532 # check for assembler specific support
1533
1534 if test $arch = "powerpc"; then
1535 check_cc <<EOF && enable dcbzl
1536 int main(void) {
1537     register long zero = 0;
1538     char data[1024];
1539     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1540 return 0;
1541 }
1542 EOF
1543 fi
1544
1545 # check for SIMD availability
1546
1547 # AltiVec flags: The FSF version of GCC differs from the Apple version
1548 if enabled altivec; then
1549     check_cflags -maltivec -mabi=altivec &&
1550         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1551         check_cflags -faltivec
1552
1553     # check if our compiler supports Motorola AltiVec C API
1554     check_cc <<EOF || disable altivec
1555 $inc_altivec_h
1556 int main(void) {
1557     vector signed int v1, v2, v3;
1558     v1 = vec_add(v2,v3);
1559     return 0;
1560 }
1561 EOF
1562
1563     # check if our compiler supports braces for vector declarations
1564     check_cc <<EOF && enable altivec_vector_braces
1565 $inc_altivec_h
1566 #define AVV(x...) {x}
1567 int main (void) { (vector int) AVV(1); return 0; }
1568 EOF
1569 fi
1570
1571 # We have to check if pld is a nop and disable it.
1572 enabled armv4l  && check_asm pld     '"pld [r0]"'
1573 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1574 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1575 enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1576 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1577 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1578 enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1579 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1580
1581 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1582
1583 # ---
1584 # big/little-endian test
1585 check_cc <<EOF || die "endian test failed"
1586 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1587 EOF
1588 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1589
1590 # ---
1591 # check availability of some header files
1592
1593 if check_func dlopen; then
1594     ldl=
1595 elif check_func dlopen -ldl; then
1596     ldl=-ldl
1597 fi
1598
1599 check_func  fork
1600 check_func  gethrtime
1601 check_func  getrusage
1602 check_func  inet_aton $network_extralibs
1603 check_func  memalign
1604 check_func  mkstemp
1605 check_func2 windows.h GetProcessTimes
1606
1607 check_header byteswap.h
1608 check_header conio.h
1609 check_header dlfcn.h
1610 check_header malloc.h
1611 check_header sys/mman.h
1612 check_header sys/resource.h
1613 check_header termios.h
1614
1615 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1616     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1617 fi
1618
1619 enabled  zlib && check_lib  zlib.h      zlibVersion -lz   || disable  zlib
1620 enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1621
1622 # ffserver uses poll(),
1623 # if it's not found we can emulate it using select().
1624 if enabled ffserver; then
1625     check_header poll.h
1626     check_header sys/select.h
1627 fi
1628
1629 # check for some common methods of building with pthread support
1630 # do this before the optional library checks as some of them require pthreads
1631 if enabled pthreads; then
1632     if check_func pthread_create; then
1633         :
1634     elif check_func pthread_create -pthread; then
1635         add_cflags -pthread
1636         add_extralibs -pthread
1637     elif check_func pthread_create -pthreads; then
1638         add_cflags -pthreads
1639         add_extralibs -pthreads
1640     elif check_func pthread_create -lpthreadGC2; then
1641         add_extralibs -lpthreadGC2
1642     elif ! check_lib pthread.h pthread_create -lpthread; then
1643         die "ERROR: can't find pthreads library"
1644     fi
1645 fi
1646
1647 for thread in $THREADS_LIST; do
1648     if enabled $thread; then
1649         test -n "$thread_type" &&
1650             die "ERROR: Only one thread type must be selected." ||
1651             thread_type="$thread"
1652     fi
1653 done
1654
1655 check_lib math.h sin -lm
1656
1657 # test for C99 functions in math.h
1658 for func in llrint lrint lrintf round roundf; do
1659     check_exec <<EOF && enable $func || disable $func
1660 #define _ISOC9X_SOURCE  1
1661 #include <math.h>
1662 int main(void) { return ($func(3.999f) > 0)?0:1; }
1663 EOF
1664 done
1665
1666 # these are off by default, so fail if requested and not available
1667 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1668 enabled liba52     && require  liba52 a52dec/a52.h a52_init -la52
1669 enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1670 enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1671 enabled libdirac   && add_cflags "$(pkg-config --cflags dirac)" \
1672                    && require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder \
1673                    && require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1674 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1675 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1676 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1677 enabled libmp3lame && require  LAME lame/lame.h lame_init -lmp3lame -lm
1678 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1679 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) \
1680                         && require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1681 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1682 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1683 enabled libx264    && require  x264 x264.h x264_encoder_open -lx264 -lm
1684 enabled libxvid    && require  Xvid xvid.h xvid_global -lxvidcore
1685 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1686
1687 # disable the native AC-3 decoder if liba52 is enabled
1688 enabled liba52 && disable ac3_decoder
1689
1690 # disable the slower libdirac decoder if libschroedinger is enabled
1691 enabled libschroedinger && enabled libdirac && disable libdirac_decoder
1692
1693 # libdc1394 check
1694 if enabled libdc1394; then
1695     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1696         enable libdc1394_2; } ||
1697     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1698         enable libdc1394_1; } ||
1699     die "ERROR: No version of libdc1394 found "
1700 fi
1701
1702
1703 _restrict=
1704 for restrict_keyword in restrict __restrict__ __restrict; do
1705     check_cc <<EOF && _restrict=$restrict_keyword && break
1706 void foo(char * $restrict_keyword p);
1707 EOF
1708 done
1709
1710 test "$vhook" = "default" && vhook="$dlopen"
1711
1712 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1713     disable vhook
1714     echo
1715     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1716     echo "Patches welcome."
1717     echo
1718 fi
1719
1720 if enabled vhook; then
1721     check_ldflags -rdynamic
1722     check_ldflags -export-dynamic
1723 fi
1724
1725 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1726 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1727
1728 ##########################################
1729 # SDL check
1730
1731 disable sdl_too_old
1732 disable sdl
1733 SDL_CONFIG="${cross_prefix}sdl-config"
1734 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1735     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1736     temp_cflags $sdl_cflags
1737     temp_extralibs `"${SDL_CONFIG}" --libs`
1738     if check_lib2 SDL.h SDL_Init; then
1739         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1740         if test "$_sdlversion" -lt 121 ; then
1741             enable sdl_too_old
1742         else
1743             enable sdl
1744             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1745 #include <SDL.h>
1746 int main(int argc, char **argv){
1747     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1748     int w = vi->current_w;
1749     return 0;
1750 }
1751 EOF
1752         fi
1753     fi
1754     restore_flags
1755 fi
1756
1757 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1758
1759 check_type sys/socket.h socklen_t
1760
1761 ##########################################
1762 # Network check
1763
1764 if enabled network; then
1765     # Prefer arpa/inet.h over winsock2
1766     if check_header arpa/inet.h ; then
1767         check_func closesocket
1768     elif check_header winsock2.h ; then
1769         network_extralibs="-lws2_32"
1770         check_type ws2tcpip.h socklen_t
1771         check_func2 winsock2.h closesocket
1772     fi
1773 fi
1774
1775 ##########################################
1776 # IPv6 check
1777
1778 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1779 #include <sys/types.h>
1780 #include <sys/socket.h>
1781 #include <netinet/in.h>
1782 #include <netdb.h>
1783 int main(void) {
1784     struct sockaddr_storage saddr;
1785     struct ipv6_mreq mreq6;
1786     getaddrinfo(0,0,0,0);
1787     getnameinfo(0,0,0,0,0,0,0);
1788     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1789 }
1790 EOF
1791
1792 check_header linux/videodev.h
1793 check_header linux/videodev2.h
1794
1795 check_func2 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1796
1797 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1798 { check_header dev/bktr/ioctl_meteor.h &&
1799   check_header dev/bktr/ioctl_bt848.h; } ||
1800 { check_header machine/ioctl_meteor.h &&
1801   check_header machine/ioctl_bt848.h; } ||
1802 { check_header dev/video/meteor/ioctl_meteor.h &&
1803   check_header dev/video/bktr/ioctl_bt848.h; } ||
1804 check_header dev/ic/bt8xx.h
1805
1806 check_header sys/soundcard.h
1807 check_header soundcard.h
1808
1809 # deal with the X11 frame grabber
1810 enabled x11grab                         &&
1811 check_header X11/Xlib.h                 &&
1812 check_header X11/extensions/XShm.h      &&
1813 check_func XOpenDisplay -lX11           &&
1814 check_func XShmCreateImage -lX11 -lXext
1815
1816 enabled debug && add_cflags -g"$debuglevel"
1817
1818 # add some useful compiler flags if supported
1819 check_cflags -Wdeclaration-after-statement
1820 check_cflags -Wall
1821 check_cflags -Wno-switch
1822 check_cflags -Wdisabled-optimization
1823 check_cflags -Wpointer-arith
1824 check_cflags -Wredundant-decls
1825 check_cflags -Wno-pointer-sign
1826 check_cflags -Wcast-qual
1827 check_cflags -Wwrite-strings
1828 check_cflags -Wtype-limits
1829 enabled extra_warnings && check_cflags -Winline
1830
1831 # add some linker flags
1832 check_ldflags -Wl,--warn-common
1833 check_ldflags $LDLATEFLAGS
1834 check_ldflags -Wl,-Bsymbolic
1835
1836 if enabled small; then
1837     check_cflags -Os            # not all compilers support -Os
1838     optimizations="small"
1839 elif enabled optimizations; then
1840     if $cc -v 2>&1 | grep -q xlc; then
1841         add_cflags  "-O5"
1842         add_ldflags "-O5"
1843     else
1844         add_cflags "-O3"
1845     fi
1846 fi
1847 check_cflags -fno-math-errno
1848 check_cflags -fno-signed-zeros
1849
1850 # add some flags for Intel C Compiler
1851 if $cc --version | grep -q Intel; then
1852   # Just warnings, no remarks
1853   check_cflags -w1
1854   # -wd: Disable following warnings
1855   # 144, 167, 556: -Wno-pointer-sign
1856   # 10006: ignoring unknown option -fno-signed-zeros
1857   # 10156: ignoring option '-W'; no argument required
1858   check_cflags -wd144,167,556,10006,10156
1859   # 11030: Warning unknown option --as-needed
1860   # 10156: ignoring option '-export'; no argument required
1861   check_ldflags -wd10156,11030
1862   # Allow to compile with optimizations
1863   check_ldflags -march=$cpu
1864 fi
1865
1866 # PIC flags for shared library objects where they are needed
1867 if enabled shared; then
1868     # LIBOBJFLAGS may have already been set in the OS configuration
1869     if test -z "$LIBOBJFLAGS" ; then
1870         case "$arch" in
1871             x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS='$(PIC)' ;;
1872         esac
1873     fi
1874 fi
1875
1876 if enabled gprof; then
1877     add_cflags  "-p"
1878     add_ldflags "-p"
1879 fi
1880
1881 VHOOKCFLAGS="-fPIC"
1882
1883 # Find out if the .align argument is a power of two or not.
1884 if test $asmalign_pot = "unknown"; then
1885     disable asmalign_pot
1886     echo 'asm (".align 3");' | check_cc && enable asmalign_pot
1887 fi
1888
1889 enabled_any $DECODER_LIST      && enable decoders
1890 enabled_any $ENCODER_LIST      && enable encoders
1891 enabled_any $BSF_LIST          && enable bsfs
1892 enabled_any $DEMUXER_LIST      && enable demuxers
1893 enabled_any $MUXER_LIST        && enable muxers
1894 enabled_any $FILTER_LIST       && enable filters
1895 enabled_any $INDEV_LIST        && enable demuxers
1896 enabled_any $OUTDEV_LIST       && enable muxers
1897 enabled_any $PROTOCOL_LIST     && enable protocols
1898
1899 enabled_any $THREADS_LIST      && enable threads
1900
1901 check_deps $CONFIG_LIST       \
1902            $HAVE_LIST         \
1903            $DECODER_LIST      \
1904            $ENCODER_LIST      \
1905            $PARSER_LIST       \
1906            $BSF_LIST          \
1907            $DEMUXER_LIST      \
1908            $MUXER_LIST        \
1909            $FILTER_LIST       \
1910            $INDEV_LIST        \
1911            $OUTDEV_LIST       \
1912            $PROTOCOL_LIST     \
1913
1914 enabled libdc1394 && append pkg_requires "libraw1394"
1915 enabled libdirac  && append pkg_requires "dirac"
1916 enabled libtheora && append pkg_requires "theora"
1917 enabled libvorbis && append pkg_requires "vorbisenc"
1918
1919 echo "install prefix            $prefix"
1920 echo "source path               $source_path"
1921 echo "C compiler                $cc"
1922 echo ".align is power-of-two    $asmalign_pot"
1923 echo "ARCH                      $arch ($cpu)"
1924 if test "$build_suffix" != ""; then
1925     echo "build suffix              $build_suffix"
1926 fi
1927 echo "big-endian                ${bigendian-no}"
1928 if test $arch = "x86_32" -o $arch = "x86_64"; then
1929     echo "MMX enabled               ${mmx-no}"
1930     echo "CMOV enabled              ${cmov-no}"
1931     echo "CMOV is fast              ${fast_cmov-no}"
1932     echo "EBX available             ${ebx_available-no}"
1933     echo "EBP available             ${ebp_available-no}"
1934 fi
1935 if test $arch = "armv4l"; then
1936     echo "ARMv5TE enabled           ${armv5te-no}"
1937     echo "ARMv6 enabled             ${armv6-no}"
1938     echo "ARM VFP enabled           ${armvfp-no}"
1939     echo "IWMMXT enabled            ${iwmmxt-no}"
1940     echo "NEON enabled              ${neon-no}"
1941 fi
1942 if test $arch = "mips"; then
1943     echo "MMI enabled               ${mmi-no}"
1944 fi
1945 if test $arch = "powerpc"; then
1946     echo "AltiVec enabled           ${altivec-no}"
1947     echo "dcbzl available           ${dcbzl-no}"
1948 fi
1949 echo "gprof enabled             ${gprof-no}"
1950 echo "debug symbols             ${debug-no}"
1951 echo "strip symbols             ${stripping-no}"
1952 echo "optimizations             ${optimizations-no}"
1953 echo "static                    ${static-no}"
1954 echo "shared                    ${shared-no}"
1955 echo "postprocessing support    ${postproc-no}"
1956 echo "software scaler enabled   ${swscale-no}"
1957 echo "new filter support        ${avfilter-no}"
1958 echo "filters using lavformat   ${avfilter_lavf-no}"
1959 echo "video hooking             ${vhook-no}"
1960 if enabled vhook; then
1961     echo "Imlib2 support            ${imlib2-no}"
1962     echo "FreeType support          ${freetype2-no}"
1963 fi
1964 echo "network support           ${network-no}"
1965 if enabled network; then
1966     echo "IPv6 support              ${ipv6-no}"
1967 fi
1968 echo "threading support         ${thread_type-no}"
1969 echo "SDL support               ${sdl-no}"
1970 if enabled sdl_too_old; then
1971     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1972 fi
1973 echo "Sun medialib support      ${mlib-no}"
1974 echo "AVISynth enabled          ${avisynth-no}"
1975 echo "liba52 support            ${liba52-no}"
1976 echo "liba52 dlopened           ${liba52bin-no}"
1977 echo "libamr-nb support         ${libamr_nb-no}"
1978 echo "libamr-wb support         ${libamr_wb-no}"
1979 echo "libdc1394 support         ${libdc1394-no}"
1980 echo "libdirac enabled          ${libdirac-no}"
1981 echo "libfaac enabled           ${libfaac-no}"
1982 echo "libfaad enabled           ${libfaad-no}"
1983 echo "libfaad dlopened          ${libfaadbin-no}"
1984 echo "libgsm enabled            ${libgsm-no}"
1985 echo "libmp3lame enabled        ${libmp3lame-no}"
1986 echo "libnut enabled            ${libnut-no}"
1987 echo "libschroedinger enabled   ${libschroedinger-no}"
1988 echo "libtheora enabled         ${libtheora-no}"
1989 echo "libvorbis enabled         ${libvorbis-no}"
1990 echo "libx264 enabled           ${libx264-no}"
1991 echo "libxvid enabled           ${libxvid-no}"
1992 echo "zlib enabled              ${zlib-no}"
1993 echo "bzlib enabled             ${bzlib-no}"
1994 echo
1995
1996 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
1997     echo "Enabled ${type}s:"
1998     eval list=\$$(toupper $type)_LIST
1999     for part in $list; do
2000         enabled $part && echo ${part%_*}
2001     done | sort | pr -3 -t
2002     echo
2003 done
2004
2005 license="LGPL"
2006 if enabled nonfree; then
2007     license="unredistributable"
2008 elif enabled gpl; then
2009     license="GPL"
2010 fi
2011
2012 echo "License: $license"
2013
2014 echo "Creating config.mak and config.h..."
2015
2016 echo "# Automatically generated by configure - do not modify!" > config.mak
2017 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2018 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2019 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2020 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2021
2022 echo "prefix=$prefix" >> config.mak
2023 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2024 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2025 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2026 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2027 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2028 echo "CC=$cc" >> config.mak
2029 echo "AR=$ar" >> config.mak
2030 echo "RANLIB=$ranlib" >> config.mak
2031 echo "LN_S=$ln_s" >> config.mak
2032 enabled stripping &&
2033     echo "STRIP=$strip" >> config.mak ||
2034     echo "STRIP=echo ignoring strip" >> config.mak
2035
2036 echo "OPTFLAGS=$CFLAGS" >> config.mak
2037 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2038 echo "LDFLAGS=$LDFLAGS" >> config.mak
2039 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2040 echo "SHFLAGS=$SHFLAGS" >> config.mak
2041 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2042 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2043 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2044 echo "BUILD_STATIC=$static" >> config.mak
2045 echo "BUILDSUF=$build_suffix" >> config.mak
2046 echo "FULLNAME=$FULLNAME" >> config.mak
2047 echo "LIBPREF=$LIBPREF" >> config.mak
2048 echo "LIBSUF=$LIBSUF" >> config.mak
2049 echo "LIBNAME=$LIBNAME" >> config.mak
2050 echo "SLIBPREF=$SLIBPREF" >> config.mak
2051 echo "SLIBSUF=$SLIBSUF" >> config.mak
2052 echo "EXESUF=$EXESUF" >> config.mak
2053 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2054
2055 if enabled bigendian; then
2056     echo "WORDS_BIGENDIAN=yes" >> config.mak
2057     echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2058 fi
2059
2060 if enabled sdl; then
2061     echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2062     echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2063 fi
2064 if enabled texi2html; then
2065     echo "BUILD_DOC=yes" >> config.mak
2066 fi
2067
2068 get_version(){
2069     name=$1
2070     file=$source_path/$2
2071     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2072     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2073     lcname=$(tolower $name)
2074     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2075     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2076 }
2077
2078 get_version LIBSWSCALE  libswscale/swscale.h
2079 get_version LIBPOSTPROC libpostproc/postprocess.h
2080 get_version LIBAVCODEC  libavcodec/avcodec.h
2081 get_version LIBAVDEVICE libavdevice/avdevice.h
2082 get_version LIBAVFORMAT libavformat/avformat.h
2083 get_version LIBAVUTIL   libavutil/avutil.h
2084 get_version LIBAVFILTER libavfilter/avfilter.h
2085
2086 if enabled shared; then
2087     echo "BUILD_SHARED=yes" >> config.mak
2088     echo "PIC=-fPIC -DPIC" >> config.mak
2089     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2090     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2091     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2092     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2093     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2094     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2095     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2096     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2097 fi
2098 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2099 echo "EXTRALIBS=$extralibs" >> config.mak
2100
2101 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2102 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2103 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2104                                       $DECODER_LIST      \
2105                                       $ENCODER_LIST      \
2106                                       $PARSER_LIST       \
2107                                       $BSF_LIST          \
2108                                       $DEMUXER_LIST      \
2109                                       $MUXER_LIST        \
2110                                       $FILTER_LIST       \
2111                                       $PROTOCOL_LIST     \
2112                                       $INDEV_LIST        \
2113                                       $OUTDEV_LIST       \
2114
2115 echo "#define restrict $_restrict" >> $TMPH
2116
2117 if enabled small; then
2118     echo "#define av_always_inline"  >> $TMPH
2119 fi
2120
2121 echo "SRC_PATH=\"$source_path\"" >> config.mak
2122 echo "SRC_PATH_BARE=$source_path" >> config.mak
2123 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2124
2125 # Apparently it's not possible to portably echo a backslash.
2126 enabled asmalign_pot &&
2127     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2128     printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2129
2130 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2131
2132 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2133
2134 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2135 cmp -s $TMPH config.h &&
2136     echo "config.h is unchanged" ||
2137     mv -f $TMPH config.h
2138
2139 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2140
2141 # build tree in object directory if source path is different from current one
2142 if enabled source_path_used; then
2143     DIRS="\
2144         doc               \
2145         libavcodec        \
2146         libavcodec/alpha  \
2147         libavcodec/armv4l \
2148         libavcodec/bfin   \
2149         libavcodec/i386   \
2150         libavcodec/mlib   \
2151         libavcodec/ppc    \
2152         libavcodec/sh4    \
2153         libavcodec/sparc  \
2154         libavdevice       \
2155         libavfilter       \
2156         libavformat       \
2157         libavutil         \
2158         libpostproc       \
2159         libswscale        \
2160         tests             \
2161         tools             \
2162         vhook             \
2163         "
2164     FILES="\
2165         Makefile             \
2166         common.mak           \
2167         subdir.mak           \
2168         doc/texi2pod.pl      \
2169         libavcodec/Makefile  \
2170         libavdevice/Makefile \
2171         libavfilter/Makefile \
2172         libavformat/Makefile \
2173         libavutil/Makefile   \
2174         libpostproc/Makefile \
2175         libswscale/Makefile  \
2176         "
2177     for dir in $DIRS ; do
2178         mkdir -p $dir
2179     done
2180     for f in $FILES ; do
2181         $ln_s "$source_path/$f" $f
2182     done
2183 fi
2184
2185
2186 # build pkg-config files
2187
2188 pkgconfig_generate(){
2189 name=$1
2190 shortname=${name#lib}
2191 comment=$2
2192 version=$3
2193 libs=$4
2194 requires=$5
2195 cat <<EOF > $name/$name.pc
2196 prefix=$prefix
2197 exec_prefix=\${prefix}
2198 libdir=$libdir
2199 includedir=$incdir
2200
2201 Name: $name
2202 Description: $comment
2203 Version: $version
2204 Requires: $(disabled shared && echo $requires)
2205 Requires.private: $(enabled shared && echo $requires)
2206 Conflicts:
2207 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2208 Libs.private: $(enabled shared && echo $libs)
2209 Cflags: -I\${includedir}
2210 EOF
2211 cat <<EOF > $name/$name-uninstalled.pc
2212 prefix=
2213 exec_prefix=
2214 libdir=\${pcfiledir}/$name
2215 includedir=\${pcfiledir}
2216
2217 Name: $name
2218 Description: $comment
2219 Version: $version
2220 Requires: $requires
2221 Conflicts:
2222 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2223 Cflags: -I\${includedir}
2224 EOF
2225 }
2226
2227 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2228 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2229 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2230 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2231 enabled avfilter &&
2232     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2233 enabled postproc &&
2234     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2235 if enabled swscale; then
2236     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2237 else
2238     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2239     apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2240 fi