configure

   1 #!/bin/sh
   2 #
   3 # FFmpeg configure script
   4 #
   5 # Copyright (c) 2000-2002 Fabrice Bellard
   6 # Copyright (c) 2005-2008 Diego Biurrun
   7 # Copyright (c) 2005-2008 Mans Rullgard
   8 #
   9
  10 # Prevent locale nonsense from breaking basic text processing.
  11 LC_ALL=C
  12 export LC_ALL
  13
  14 # make sure we are running under a compatible shell
  15 # try to make this part work with most shells
  16
  17 try_exec(){
  18     echo "Trying shell $1"
  19     type "$1" > /dev/null 2>&1 && exec "$@"
  20 }
  21
  22 unset foo
  23 (: ${foo%%bar}) 2> /dev/null
  24 E1="$?"
  25
  26 (: ${foo?}) 2> /dev/null
  27 E2="$?"
  28
  29 if test "$E1" != 0 || test "$E2" = 0; then
  30     echo "Broken shell detected.  Trying alternatives."
  31     export FF_CONF_EXEC
  32     if test "0$FF_CONF_EXEC" -lt 1; then
  33         FF_CONF_EXEC=1
  34         try_exec bash "$0" "$@"
  35     fi
  36     if test "0$FF_CONF_EXEC" -lt 2; then
  37         FF_CONF_EXEC=2
  38         try_exec ksh "$0" "$@"
  39     fi
  40     if test "0$FF_CONF_EXEC" -lt 3; then
  41         FF_CONF_EXEC=3
  42         try_exec /usr/xpg4/bin/sh "$0" "$@"
  43     fi
  44     echo "No compatible shell script interpreter found."
  45     echo "This configure script requires a POSIX-compatible shell"
  46     echo "such as bash or ksh."
  47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  48     echo "Instead, install a working POSIX-compatible shell."
  49     echo "Disabling this configure test will create a broken FFmpeg."
  50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  51         echo "This bash version ($BASH_VERSION) is broken on your platform."
  52         echo "Upgrade to a later version if available."
  53     fi
  54     exit 1
  55 fi
  56
  57 show_help(){
  58   echo "Usage: configure [options]"
  59   echo "Options: [defaults in brackets after descriptions]"
  60   echo
  61   echo "Standard options:"
  62   echo "  --help                   print this message"
  63   echo "  --logfile=FILE           log tests and output to FILE [config.err]"
  64   echo "  --disable-logging        do not log configure debug information"
  65   echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
  66   echo "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"
  67   echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
  68   echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
  69   echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
  70   echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
  71   echo "  --enable-static          build static libraries [default=yes]"
  72   echo "  --disable-static         do not build static libraries [default=no]"
  73   echo "  --enable-shared          build shared libraries [default=no]"
  74   echo "  --disable-shared         do not build shared libraries [default=yes]"
  75   echo "  --enable-gpl             allow use of GPL code, the resulting libav*"
  76   echo "                           and ffmpeg will be under GPL [default=no]"
  77   echo "  --enable-nonfree         allow use of nonfree code, the resulting libav*"
  78   echo "                           and ffmpeg will be unredistributable [default=no]"
  79   echo "  --enable-postproc        enable GPLed postprocessing support [default=no]"
  80   echo "  --enable-swscale         software scaler support [default=no]"
  81   echo "  --enable-avfilter        video filter support (replaces vhook) [default=no]"
  82   echo "  --enable-avfilter-lavf   video filters dependant on avformat [default=no]"
  83   echo "  --enable-beosthreads     use BeOS threads [default=no]"
  84   echo "  --enable-os2threads      use OS/2 threads [default=no]"
  85   echo "  --enable-pthreads        use pthreads [default=no]"
  86   echo "  --enable-w32threads      use Win32 threads [default=no]"
  87   echo "  --enable-x11grab         enable X11 grabbing [default=no]"
  88   echo
  89   echo "External library support:"
  90   echo "  --enable-mlib            use Sun medialib [default=no]"
  91   echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"
  92   echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec"
  93   echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec"
  94   echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
  95   echo "                           and libraw1394 [default=no]"
  96   echo "  --enable-libdirac        enable Dirac support via libdirac [default=no]"
  97   echo "  --enable-libfaac         enable FAAC support via libfaac [default=no]"
  98   echo "  --enable-libfaad         enable FAAD support via libfaad [default=no]"
  99   echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [default=no]"
 100   echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
 101   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no]"
 102   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
 103   echo "                           native demuxer exists [default=no]"
 104   echo "  --enable-libschroedinger enable Dirac support via libschroedinger [default=no]"
 105   echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
 106   echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
 107   echo "                           native implementation exists [default=no]"
 108   echo "  --enable-libx264         enable H.264 encoding via x264 [default=no]"
 109   echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
 110   echo "                           native MPEG-4/Xvid encoder exists [default=no]"
 111   echo ""
 112   echo "Advanced options (experts only):"
 113   echo "  --source-path=PATH       path to source code [$source_path]"
 114   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 115   echo "  --enable-cross-compile   assume a cross-compiler is used"
 116   echo "  --target-os=OS           compiler targets OS [$target_os]"
 117   echo "  --cc=CC                  use C compiler CC [$cc]"
 118   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 119   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 120   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 121   echo "  --extra-version=STRING   version string suffix []"
 122   echo "  --build-suffix=SUFFIX    suffix for application specific build []"
 123   echo "  --arch=ARCH              select architecture  [$arch]"
 124   echo "  --cpu=CPU                selects the minimum cpu required (affects"
 125   echo "                           instruction selection, may crash on older CPUs)"
 126   echo "  --enable-powerpc-perf    enable performance report on PPC"
 127   echo "                           (requires enabling PMC)"
 128   echo "  --disable-mmx            disable MMX usage"
 129   echo "  --disable-mmx2           disable MMX2 usage"
 130   echo "  --disable-ssse3          disable SSSE3 usage"
 131   echo "  --disable-armv5te        disable armv5te usage"
 132   echo "  --disable-armv6          disable armv6 usage"
 133   echo "  --disable-armvfp         disable ARM VFP usage"
 134   echo "  --disable-iwmmxt         disable iwmmxt usage"
 135   echo "  --disable-altivec        disable AltiVec usage"
 136   echo "  --disable-network        disable network support [default=no]"
 137   echo "  --disable-ipv6           disable ipv6 support [default=no]"
 138   echo "  --disable-zlib           disable zlib [default=no]"
 139   echo "  --disable-bzlib          disable bzlib [default=no]"
 140   echo "  --disable-vhook          disable video hooking support"
 141   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 142   echo "                           MPEG audio decoding [default=no]"
 143   echo "  --enable-gray            enable full grayscale support (slower color)"
 144   echo "  --disable-ffmpeg         disable ffmpeg build"
 145   echo "  --disable-ffserver       disable ffserver build"
 146   echo "  --disable-ffplay         disable ffplay build"
 147   echo "  --enable-small           optimize for size instead of speed"
 148   echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
 149   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 150   echo "  --disable-encoder=NAME   disables encoder NAME"
 151   echo "  --enable-encoder=NAME    enables encoder NAME"
 152   echo "  --disable-decoder=NAME   disables decoder NAME"
 153   echo "  --enable-decoder=NAME    enables decoder NAME"
 154   echo "  --disable-encoders       disables all encoders"
 155   echo "  --disable-decoders       disables all decoders"
 156   echo "  --disable-muxer=NAME     disables muxer NAME"
 157   echo "  --enable-muxer=NAME      enables muxer NAME"
 158   echo "  --disable-muxers         disables all muxers"
 159   echo "  --disable-demuxer=NAME   disables demuxer NAME"
 160   echo "  --enable-demuxer=NAME    enables demuxer NAME"
 161   echo "  --disable-demuxers       disables all demuxers"
 162   echo "  --enable-parser=NAME     enables parser NAME"
 163   echo "  --disable-parser=NAME    disables parser NAME"
 164   echo "  --disable-parsers        disables all parsers"
 165   echo "  --enable-bsf=NAME        enables bitstream filter NAME"
 166   echo "  --disable-bsf=NAME       disables bitstream filter NAME"
 167   echo "  --disable-bsfs           disables all bitstream filters"
 168   echo "  --enable-protocol=NAME   enables protocol NAME"
 169   echo "  --disable-protocol=NAME  disables protocol NAME"
 170   echo "  --disable-protocols      disables all protocols"
 171   echo "  --disable-devices        disables all devices"
 172   echo "  --enable-filter=NAME     enables filter NAME"
 173   echo "  --disable-filter=NAME    disables filter NAME"
 174   echo "  --disable-filters        disables all filters"
 175   echo "  --list-decoders          show all available decoders"
 176   echo "  --list-encoders          show all available encoders"
 177   echo "  --list-muxers            show all available muxers"
 178   echo "  --list-demuxers          show all available demuxers"
 179   echo "  --list-parsers           show all available parsers"
 180   echo "  --list-protocols         show all available protocols"
 181   echo "  --list-bsfs              show all available bitstream filters"
 182   echo "  --list-indevs            show all available input devices"
 183   echo "  --list-outdevs           show all available output devices"
 184   echo "  --list-filters           show all available filters"
 185   echo
 186   echo "Developer options (useful when working on FFmpeg itself):"
 187   echo "  --disable-debug          disable debugging symbols"
 188   echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
 189   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 190   echo "  --disable-optimizations  disable compiler optimizations"
 191   echo "  --enable-extra-warnings  enable more compiler warnings"
 192   echo "  --disable-stripping      disable stripping of executables and shared libraries"
 193   echo ""
 194   echo "NOTE: Object files are built at the place where configure is launched."
 195   exit 0
 196 }
 197
 198 log(){
 199     echo "$@" >> $logfile
 200 }
 201
 202 log_file(){
 203     log BEGIN $1
 204     pr -n -t $1 >> $logfile
 205     log END $1
 206 }
 207
 208 echolog(){
 209     log "$@"
 210     echo "$@"
 211 }
 212
 213 die(){
 214     echolog "$@"
 215     cat <<EOF
 216 If you think configure made a mistake, make sure you are using the latest
 217 version from SVN.  If the latest version fails, report the problem to the
 218 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 219 EOF
 220     if disabled logging; then
 221         cat <<EOF
 222 Rerun configure with logging enabled (do not use --disable-logging), and
 223 include the log this produces with your report.
 224 EOF
 225     else
 226 cat <<EOF
 227 Include the log file "$logfile" produced by configure as this will help
 228 solving the problem.
 229 EOF
 230     fi
 231     rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
 232     exit 1
 233 }
 234
 235 # Avoid locale weirdness, besides we really just want to translate ASCII.
 236 toupper(){
 237     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 238 }
 239
 240 tolower(){
 241     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 242 }
 243
 244 set_all(){
 245     value=$1
 246     shift
 247     for var in $*; do
 248         eval $var=$value
 249     done
 250 }
 251
 252 pushvar(){
 253     for var in $*; do
 254         eval level=\${${var}_level:=0}
 255         eval ${var}_${level}="\$$var"
 256         eval ${var}_level=$(($level+1))
 257     done
 258 }
 259
 260 popvar(){
 261     for var in $*; do
 262         eval level=\${${var}_level:-0}
 263         test $level = 0 && continue
 264         eval level=$(($level-1))
 265         eval $var="\${${var}_${level}}"
 266         eval ${var}_level=$level
 267         eval unset ${var}_${level}
 268     done
 269 }
 270
 271 enable(){
 272     set_all yes $*
 273 }
 274
 275 disable(){
 276     set_all no $*
 277 }
 278
 279 enabled(){
 280     test "${1#!}" = "$1" && op== || op=!=
 281     eval test "x\$${1#!}" $op "xyes"
 282 }
 283
 284 disabled(){
 285     test "${1#!}" = "$1" && op== || op=!=
 286     eval test "x\$${1#!}" $op "xno"
 287 }
 288
 289 enabled_all(){
 290     for opt; do
 291         enabled $opt || return 1
 292     done
 293 }
 294
 295 disabled_all(){
 296     for opt; do
 297         disabled $opt || return 1
 298     done
 299 }
 300
 301 enabled_any(){
 302     for opt; do
 303         enabled $opt && return 0
 304     done
 305 }
 306
 307 disabled_any(){
 308     for opt; do
 309         disabled $opt && return 0
 310     done
 311 }
 312
 313 set_default(){
 314     for opt; do
 315         eval test -z "\$$opt" && eval $opt=\$${opt}_default
 316     done
 317 }
 318
 319 is_in(){
 320     value=$1
 321     shift
 322     for var in $*; do
 323         [ $var = $value ] && return 0
 324     done
 325     return 1
 326 }
 327
 328 check_deps(){
 329     for cfg; do
 330         cfg="${cfg#!}"
 331         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 332         disabled ${cfg}_checking && continue
 333         enable ${cfg}_checking
 334
 335         eval dep_all="\$${cfg}_deps"
 336         eval dep_any="\$${cfg}_deps_any"
 337
 338         pushvar cfg dep_all dep_any
 339         check_deps $dep_all $dep_any
 340         popvar cfg dep_all dep_any
 341
 342         enabled_all $dep_all || disable $cfg
 343         enabled_any $dep_any || disable $cfg
 344
 345         if enabled $cfg; then
 346             eval dep_extralibs="\$${cfg}_extralibs"
 347             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 348         fi
 349
 350         disable ${cfg}_checking
 351     done
 352 }
 353
 354 print_config(){
 355     pfx=$1
 356     header=$2
 357     makefile=$3
 358     shift 3
 359     for cfg; do
 360         ucname="`toupper $cfg`"
 361         if enabled $cfg; then
 362             echo "#define ${pfx}${ucname} 1" >> $header
 363             echo "#define ENABLE_${ucname} 1" >> $header
 364             echo "${pfx}${ucname}=yes" >> $makefile
 365         else
 366             echo "#define ENABLE_${ucname} 0" >> $header
 367         fi
 368     done
 369 }
 370
 371 flags_saved(){
 372     (: ${SAVE_CFLAGS?}) 2> /dev/null
 373 }
 374
 375 save_flags(){
 376     flags_saved && return
 377     SAVE_CFLAGS="$CFLAGS"
 378     SAVE_LDFLAGS="$LDFLAGS"
 379     SAVE_extralibs="$extralibs"
 380 }
 381
 382 restore_flags(){
 383     flags_saved || return
 384     CFLAGS="$SAVE_CFLAGS"
 385     LDFLAGS="$SAVE_LDFLAGS"
 386     extralibs="$SAVE_extralibs"
 387     unset SAVE_CFLAGS
 388     unset SAVE_LDFLAGS
 389     unset SAVE_extralibs
 390 }
 391
 392 temp_cflags(){
 393     save_flags
 394     CFLAGS="$CFLAGS $*"
 395 }
 396
 397 temp_ldflags(){
 398     save_flags
 399     LDFLAGS="$LDFLAGS $*"
 400 }
 401
 402 temp_extralibs(){
 403     save_flags
 404     extralibs="$extralibs $*"
 405 }
 406
 407 append(){
 408     var=$1
 409     shift
 410     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 411     eval "$var=\"\$$var $*\""
 412 }
 413
 414 add_cflags(){
 415     append CFLAGS "$@"
 416 }
 417
 418 add_ldflags(){
 419     append LDFLAGS "$@"
 420 }
 421
 422 add_extralibs(){
 423     append extralibs "$@"
 424 }
 425
 426 check_cmd(){
 427     log "$@"
 428     "$@" >> $logfile 2>&1
 429 }
 430
 431 check_cc(){
 432     log check_cc "$@"
 433     cat > $TMPC
 434     log_file $TMPC
 435     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 436 }
 437
 438 check_cpp(){
 439     log check_cpp "$@"
 440     cat > $TMPC
 441     log_file $TMPC
 442     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 443 }
 444
 445 check_asm(){
 446     log check_asm "$@"
 447     name="$1"
 448     asm="$2"
 449     shift 2
 450     check_cc "$@" <<EOF && enable $name || disable $name
 451 int foo(void){ asm volatile($asm); }
 452 EOF
 453 }
 454
 455 check_yasm(){
 456     log check_yasm "$@"
 457     echo "$1" > $TMPS
 458     log_file $TMPS
 459     shift 1
 460     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 461 }
 462
 463 check_ld(){
 464     log check_ld "$@"
 465     check_cc || return
 466     flags=''
 467     libs=''
 468     for f; do
 469         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 470     done
 471     check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 472 }
 473
 474 check_cflags(){
 475     log check_cflags "$@"
 476     check_cc "$@" <<EOF && add_cflags "$@"
 477 int x;
 478 EOF
 479 }
 480
 481 check_ldflags(){
 482     log check_ldflags "$@"
 483     check_ld "$@" <<EOF && add_ldflags "$@"
 484 int main(void){ return 0; }
 485 EOF
 486 }
 487
 488 check_header(){
 489     log check_header "$@"
 490     header=$1
 491     shift
 492     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 493     disable $var
 494     check_cpp "$@" <<EOF && enable $var
 495 #include <$header>
 496 int x;
 497 EOF
 498 }
 499
 500 check_func(){
 501     log check_func "$@"
 502     func=$1
 503     shift
 504     disable $func
 505     check_ld "$@" <<EOF && enable $func
 506 extern int $func();
 507 int main(void){ $func(); }
 508 EOF
 509 }
 510
 511 check_func_headers(){
 512     log check_func_headers "$@"
 513     headers=$1
 514     func=$2
 515     shift 2
 516     disable $func
 517     incs=""
 518     for hdr in $headers; do
 519         incs="$incs
 520 #include <$hdr>"
 521     done
 522     check_ld "$@" <<EOF && enable $func
 523 $incs
 524 int main(int argc, char **argv){
 525     (void) $func;
 526     return 0;
 527 }
 528 EOF
 529 }
 530
 531 check_cpp_condition(){
 532     log check_cpp_condition "$@"
 533     header=$1
 534     condition=$2
 535     check_cpp <<EOF
 536 #include <$header>
 537 #if !($condition)
 538 #error "unsatisfied condition: $condition"
 539 #endif
 540 EOF
 541 }
 542
 543 check_lib(){
 544     log check_lib "$@"
 545     header="$1"
 546     func="$2"
 547     shift 2
 548     temp_extralibs "$@"
 549     check_header $header && check_func $func && add_extralibs "$@"
 550     err=$?
 551     restore_flags
 552     return $err
 553 }
 554
 555 check_lib2(){
 556     log check_lib2 "$@"
 557     headers="$1"
 558     func="$2"
 559     shift 2
 560     temp_extralibs "$@"
 561     check_func_headers "$headers" $func && add_extralibs "$@"
 562     err=$?
 563     restore_flags
 564     return $err
 565 }
 566
 567 check_exec(){
 568     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 569 }
 570
 571 check_exec_crash(){
 572     code=`cat`
 573
 574     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 575     # are safe but may not be available everywhere.  Thus we use
 576     # raise(SIGTERM) instead.  The check is run in a subshell so we
 577     # can redirect the "Terminated" message from the shell.  SIGBUS
 578     # is not defined by standard C so it is used conditionally.
 579
 580     (check_exec "$@") >> $logfile 2>&1 <<EOF
 581 #include <signal.h>
 582 static void sighandler(int sig){
 583     raise(SIGTERM);
 584 }
 585 int main(void){
 586     signal(SIGILL, sighandler);
 587     signal(SIGFPE, sighandler);
 588     signal(SIGSEGV, sighandler);
 589 #ifdef SIGBUS
 590     signal(SIGBUS, sighandler);
 591 #endif
 592     { $code }
 593 }
 594 EOF
 595 }
 596
 597 check_type(){
 598     log check_type "$@"
 599     headers=$1
 600     type=$2
 601     shift 2
 602     disable $type
 603     incs=""
 604     for hdr in $headers; do
 605         incs="$incs
 606 #include <$hdr>"
 607     done
 608     check_cc "$@" <<EOF && enable $type
 609 $incs
 610 $type v;
 611 EOF
 612 }
 613
 614 require(){
 615     name="$1"
 616     header="$2"
 617     func="$3"
 618     shift 3
 619     check_lib $header $func "$@" || die "ERROR: $name not found"
 620 }
 621
 622 require2(){
 623     name="$1"
 624     headers="$2"
 625     func="$3"
 626     shift 3
 627     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 628 }
 629
 630 require_cpp_condition(){
 631     name="$1"
 632     header="$2"
 633     cpp_condition="$3"
 634     shift 3
 635     check_cpp_condition $header "$cpp_condition" || die "ERROR: $name does not satisfy CPP condition: $cpp_condition"
 636 }
 637
 638 check_foo_config(){
 639     cfg=$1
 640     pkg=$2
 641     header=$3
 642     func=$4
 643     shift 4
 644     disable $cfg
 645     check_cmd ${pkg}-config --version
 646     err=$?
 647     if test "$err" = 0; then
 648         temp_cflags `${pkg}-config --cflags`
 649         temp_extralibs `${pkg}-config --libs`
 650         check_lib "$@" $header $func && enable $cfg
 651     fi
 652     return $err
 653 }
 654
 655 apply(){
 656     file=$1
 657     shift
 658     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 659 }
 660
 661 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 662 # system-dependent things.
 663
 664 COMPONENT_LIST="
 665     bsfs
 666     decoders
 667     demuxers
 668     encoders
 669     filters
 670     indevs
 671     muxers
 672     outdevs
 673     parsers
 674     protocols
 675 "
 676
 677 CONFIG_LIST="
 678     $COMPONENT_LIST
 679     avfilter
 680     avfilter_lavf
 681     avisynth
 682     beos_netserver
 683     bzlib
 684     ffmpeg
 685     ffplay
 686     ffserver
 687     gpl
 688     gprof
 689     gray
 690     hardcoded_tables
 691     ipv6
 692     libamr_nb
 693     libamr_wb
 694     libdc1394
 695     libdirac
 696     libfaac
 697     libfaad
 698     libfaadbin
 699     libgsm
 700     libmp3lame
 701     libnut
 702     libschroedinger
 703     libtheora
 704     libvorbis
 705     libx264
 706     libxvid
 707     memalign_hack
 708     mlib
 709     mpegaudio_hp
 710     network
 711     nonfree
 712     postproc
 713     powerpc_perf
 714     small
 715     swscale
 716     vhook
 717     x11grab
 718     zlib
 719 "
 720
 721 THREADS_LIST='
 722     beosthreads
 723     os2threads
 724     pthreads
 725     w32threads
 726 '
 727
 728 ARCH_LIST='
 729     alpha
 730     armv4l
 731     bfin
 732     ia64
 733     m68k
 734     mips
 735     parisc
 736     powerpc
 737     s390
 738     sh4
 739     sparc
 740     sparc64
 741     x86
 742     x86_32
 743     x86_64
 744 '
 745
 746 ARCH_EXT_LIST='
 747     altivec
 748     armv5te
 749     armv6
 750     armvfp
 751     iwmmxt
 752     mmi
 753     mmx
 754     mmx2
 755     neon
 756     ssse3
 757     vis
 758 '
 759
 760 HAVE_LIST="
 761     $ARCH_EXT_LIST
 762     $THREADS_LIST
 763     altivec_h
 764     arpa_inet_h
 765     bswap
 766     byteswap_h
 767     closesocket
 768     cmov
 769     conio_h
 770     dcbzl
 771     dev_bktr_ioctl_bt848_h
 772     dev_bktr_ioctl_meteor_h
 773     dev_ic_bt8xx_h
 774     dev_video_meteor_ioctl_meteor_h
 775     dev_video_bktr_ioctl_bt848_h
 776     dlfcn_h
 777     dlopen
 778     dos_paths
 779     ebp_available
 780     ebx_available
 781     fast_64bit
 782     fast_cmov
 783     fast_unaligned
 784     fork
 785     freetype2
 786     gethrtime
 787     GetProcessTimes
 788     getrusage
 789     imlib2
 790     inet_aton
 791     inline_asm
 792     libdc1394_1
 793     libdc1394_2
 794     llrint
 795     lrint
 796     lrintf
 797     machine_ioctl_bt848_h
 798     machine_ioctl_meteor_h
 799     malloc_h
 800     memalign
 801     mkstemp
 802     pld
 803     ppc64
 804     round
 805     roundf
 806     sdl
 807     sdl_video_size
 808     socklen_t
 809     soundcard_h
 810     poll_h
 811     sys_mman_h
 812     sys_resource_h
 813     sys_select_h
 814     sys_soundcard_h
 815     sys_videoio_h
 816     termios_h
 817     threads
 818     winsock2_h
 819     yasm
 820 "
 821
 822 CMDLINE_SELECT="
 823     $ARCH_EXT_LIST
 824     $CONFIG_LIST
 825     $THREADS_LIST
 826     cross_compile
 827     debug
 828     extra_warnings
 829     logging
 830     optimizations
 831     shared
 832     static
 833     stripping
 834 "
 835
 836 PATHS_LIST='
 837     bindir
 838     incdir
 839     libdir
 840     mandir
 841     prefix
 842     shlibdir
 843 '
 844
 845 CMDLINE_SET="
 846     $PATHS_LIST
 847     arch
 848     build_suffix
 849     cc
 850     cpu
 851     cross_prefix
 852     extra_version
 853     logfile
 854     source_path
 855     target_os
 856 "
 857
 858 # code dependency declarations
 859
 860 # architecture extensions
 861 altivec_deps="powerpc"
 862 armv5te_deps="armv4l"
 863 armv6_deps="armv4l"
 864 armvfp_deps="armv4l"
 865 iwmmxt_deps="armv4l"
 866 mmi_deps="mips"
 867 mmx_deps="x86"
 868 mmx2_deps="x86 mmx"
 869 neon_deps="armv4l"
 870 ssse3_deps="x86"
 871 vis_deps="sparc"
 872
 873 # system headers and functions
 874 byteswap_h_deps="!armv4l"
 875
 876 # decoders / encoders
 877 ac3_decoder_deps="gpl"
 878 dxa_decoder_deps="zlib"
 879 eac3_decoder_deps="gpl"
 880 flashsv_decoder_deps="zlib"
 881 flashsv_encoder_deps="zlib"
 882 mlp_decoder_deps="mlp_parser"
 883 mpeg_xvmc_decoder_deps="xvmc"
 884 png_decoder_deps="zlib"
 885 png_encoder_deps="zlib"
 886 zmbv_decoder_deps="zlib"
 887 zmbv_encoder_deps="zlib"
 888
 889 # external libraries
 890 libamr_nb_decoder_deps="libamr_nb"
 891 libamr_nb_encoder_deps="libamr_nb"
 892 libamr_wb_decoder_deps="libamr_wb"
 893 libamr_wb_encoder_deps="libamr_wb"
 894 libdirac_decoder_deps="libdirac !libschroedinger"
 895 libdirac_encoder_deps="libdirac"
 896 libfaac_encoder_deps="libfaac"
 897 libfaad_decoder_deps="libfaad"
 898 libfaadbin_decoder_extralibs='$ldl'
 899 libgsm_decoder_deps="libgsm"
 900 libgsm_encoder_deps="libgsm"
 901 libgsm_ms_decoder_deps="libgsm"
 902 libgsm_ms_encoder_deps="libgsm"
 903 libmp3lame_encoder_deps="libmp3lame"
 904 libschroedinger_decoder_deps="libschroedinger"
 905 libschroedinger_encoder_deps="libschroedinger"
 906 libtheora_encoder_deps="libtheora"
 907 libvorbis_encoder_deps="libvorbis"
 908 libx264_encoder_deps="libx264"
 909 libxvid_encoder_deps="libxvid"
 910 mpeg4aac_decoder_deps="libfaad"
 911
 912 # demuxers / muxers
 913 ac3_demuxer_deps="ac3_parser"
 914 audio_beos_demuxer_deps="audio_beos"
 915 audio_beos_demuxer_extralibs="-lmedia -lbe"
 916 audio_beos_muxer_deps="audio_beos"
 917 audio_beos_muxer_extralibs="-lmedia -lbe"
 918 avisynth_demuxer_deps="avisynth"
 919 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
 920 dirac_demuxer_deps="dirac_parser"
 921 dv1394_demuxer_deps="dv1394 dv_demuxer"
 922 libdc1394_demuxer_deps="libdc1394"
 923 libnut_demuxer_deps="libnut"
 924 libnut_muxer_deps="libnut"
 925 mp3_demuxer_deps="mpegaudio_parser"
 926 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
 927 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
 928 redir_demuxer_deps="network"
 929 rtp_muxer_deps="network rtp_protocol"
 930 rtsp_demuxer_deps="sdp_demuxer"
 931 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
 932 v4l_demuxer_deps="linux_videodev_h"
 933 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
 934 vfwcap_demuxer_deps="capCreateCaptureWindow"
 935 vfwcap_demuxer_extralibs="-lvfw32"
 936 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
 937 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
 938
 939 # protocols
 940 http_protocol_deps="network"
 941 rtp_protocol_deps="udp_protocol"
 942 tcp_protocol_deps="network"
 943 udp_protocol_deps="network"
 944
 945 # filters
 946 movie_filter_deps="avfilter_lavf"
 947
 948 # programs
 949 ffplay_deps="sdl"
 950 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
 951 ffserver_extralibs='$ldl'
 952 vhook_extralibs='$ldl'
 953
 954
 955 # default parameters
 956
 957 logfile="config.err"
 958
 959 # installation paths
 960 prefix_default="/usr/local"
 961 bindir_default='${prefix}/bin'
 962 incdir_default='${prefix}/include'
 963 libdir_default='${prefix}/lib'
 964 mandir_default='${prefix}/share/man'
 965 shlibdir_default="$libdir_default"
 966
 967 # toolchain
 968 cc="gcc"
 969 yasmexe="yasm"
 970 ar="ar"
 971 nm="nm"
 972 ranlib="ranlib"
 973 strip="strip"
 974 asmalign_pot="unknown"
 975 ln_s="ln -sf"
 976 objformat="elf"
 977
 978 # machine
 979 arch=`uname -m`
 980 cpu="generic"
 981
 982 # OS
 983 target_os=$(tolower $(uname -s))
 984
 985 # libraries
 986 enable bzlib
 987 enable zlib
 988
 989 # configurable options
 990 enable debug
 991 enable ffmpeg
 992 enable ffplay
 993 enable ffserver
 994 enable ipv6
 995 enable mpegaudio_hp
 996 enable network
 997 enable optimizations
 998 enable protocols
 999 enable static
1000 enable stripping
1001 vhook="default"
1002
1003 # build settings
1004 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1005 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1006 VHOOKSHFLAGS='$(SHFLAGS)'
1007 FFSERVERLDFLAGS=-Wl,-E
1008 LIBPREF="lib"
1009 LIBSUF=".a"
1010 FULLNAME='$(NAME)$(BUILDSUF)'
1011 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1012 SLIBPREF="lib"
1013 SLIBSUF=".so"
1014 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1015 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1016 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1017 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1018
1019 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1020 # full relative path for objects in subdirectories for non-recursive Make.
1021 DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG -MT $@ $<'
1022
1023 # find source path
1024 source_path="`dirname \"$0\"`"
1025 enable source_path_used
1026 if test -z "$source_path" -o "$source_path" = "." ; then
1027     source_path="`pwd`"
1028     disable source_path_used
1029 else
1030     source_path="`cd \"$source_path\"; pwd`"
1031     echo "$source_path" | grep -q '[[:blank:]]' &&
1032         die "Out of tree builds are impossible with whitespace in source path."
1033 fi
1034
1035 FFMPEG_CONFIGURATION="$@"
1036
1037 find_things(){
1038     thing=$1
1039     pattern=$2
1040     file=$source_path/$3
1041     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1042 }
1043
1044 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1045 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1046 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1047 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1048 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1049 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1050 OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1051 INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1052 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1053 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1054
1055 enable $ARCH_EXT_LIST \
1056        $DECODER_LIST \
1057        $ENCODER_LIST \
1058        $PARSER_LIST \
1059        $BSF_LIST \
1060        $DEMUXER_LIST \
1061        $MUXER_LIST \
1062        $FILTER_LIST \
1063        $PROTOCOL_LIST \
1064        $INDEV_LIST \
1065        $OUTDEV_LIST \
1066
1067 die_unknown(){
1068     echo "Unknown option \"$1\"."
1069     echo "See $0 --help for available options."
1070     exit 1
1071 }
1072
1073 show_list() {
1074     suffix=_$1
1075     shift
1076     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1077     exit 0
1078 }
1079
1080 for opt do
1081     optval="${opt#*=}"
1082     case "$opt" in
1083     --extra-cflags=*) add_cflags "$optval"
1084     ;;
1085     --extra-ldflags=*) add_ldflags "$optval"
1086     ;;
1087     --extra-libs=*) add_extralibs "$optval"
1088     ;;
1089     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1090     ;;
1091     --enable-debug=*) debuglevel="$optval"
1092     ;;
1093     --enable-*=*|--disable-*=*)
1094     eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1095     case "$thing" in
1096         encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1097         *) die_unknown "$opt" ;;
1098     esac
1099     ;;
1100     --enable-?*|--disable-?*)
1101     eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1102     if is_in $option $COMPONENT_LIST; then
1103         eval $action \$$(toupper ${option%s})_LIST
1104     elif is_in $option $CMDLINE_SELECT; then
1105         $action $option
1106     else
1107         die_unknown $opt
1108     fi
1109     ;;
1110     --list-*)
1111         NAME="${opt#--list-}"
1112         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1113         NAME=${NAME%s}
1114         eval show_list $NAME \$$(toupper $NAME)_LIST
1115     ;;
1116     --help|-h) show_help
1117     ;;
1118     *)
1119     optname="${opt%=*}"
1120     optname="${optname#--}"
1121     optname=$(echo "$optname" | sed 's/-/_/g')
1122     is_in $optname $CMDLINE_SET || die_unknown $opt
1123     eval $optname='$optval'
1124     ;;
1125     esac
1126 done
1127
1128 disabled logging && logfile=/dev/null
1129
1130 echo "# $0 $@" > $logfile
1131 set >> $logfile
1132
1133 cc="${cross_prefix}${cc}"
1134 yasmexe="${cross_prefix}${yasmexe}"
1135 ar="${cross_prefix}${ar}"
1136 nm="${cross_prefix}${nm}"
1137 ranlib="${cross_prefix}${ranlib}"
1138 strip="${cross_prefix}${strip}"
1139
1140 # set temporary file name
1141 if test ! -z "$TMPDIR" ; then
1142     TMPDIR1="${TMPDIR}"
1143 elif test ! -z "$TEMPDIR" ; then
1144     TMPDIR1="${TEMPDIR}"
1145 else
1146     TMPDIR1="/tmp"
1147 fi
1148
1149 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1150 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1151 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1152 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1153 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1154 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1155
1156 check_cflags -fasm
1157 check_cflags -std=c99
1158
1159 case "$arch" in
1160     i386|i486|i586|i686|i86pc|BePC)
1161         arch="x86_32"
1162         enable fast_unaligned
1163     ;;
1164     x86_64|amd64)
1165         arch="x86_32"
1166         enable fast_unaligned
1167         check_cc <<EOF && enable fast_64bit && arch="x86_64"
1168         int test[sizeof(char*) - 7];
1169 EOF
1170     ;;
1171     # armv4l is a subset of armv[567]*l
1172     arm|armv[4567]*l)
1173         arch="armv4l"
1174     ;;
1175     alpha)
1176         arch="alpha"
1177         enable fast_64bit
1178     ;;
1179     "Power Macintosh"|ppc|powerpc)
1180         arch="powerpc"
1181     ;;
1182     ppc64)
1183         arch="powerpc"
1184         enable fast_64bit
1185     ;;
1186     mips|mipsel|IP*)
1187         arch="mips"
1188     ;;
1189     sun4u|sparc64)
1190         arch="sparc64"
1191         enable fast_64bit
1192     ;;
1193     sparc)
1194         arch="sparc"
1195     ;;
1196     sh4)
1197         arch="sh4"
1198     ;;
1199     parisc)
1200         arch="parisc"
1201     ;;
1202     parisc64)
1203         arch="parisc"
1204         enable fast_64bit
1205     ;;
1206     s390|s390x)
1207         arch="s390"
1208     ;;
1209     m68k)
1210         arch="m68k"
1211     ;;
1212     ia64)
1213         arch="ia64"
1214         enable fast_64bit
1215     ;;
1216     bfin)
1217         arch="bfin"
1218     ;;
1219     *)
1220         arch="unknown"
1221     ;;
1222 esac
1223
1224 enable $arch
1225 enabled_any x86_32 x86_64 && enable x86
1226 enabled     sparc64       && enable sparc
1227
1228 # OS specific
1229 case $target_os in
1230     beos|haiku|zeta)
1231         prefix_default="$HOME/config"
1232         # helps building libavcodec
1233         add_cflags "-DPIC -fomit-frame-pointer"
1234         # 3 gcc releases known for BeOS, each with ugly bugs
1235         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1236         case "$gcc_version" in
1237           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1238             disable mmx
1239             ;;
1240           *20010315*) echo "BeBits gcc"
1241             add_cflags "-fno-expensive-optimizations"
1242             ;;
1243         esac
1244         SHFLAGS=-nostart
1245         # enable BeOS things
1246         enable audio_beos
1247         # no need for libm, but the inet stuff
1248         # Check for BONE
1249         # XXX: actually should check for NOT net_server
1250         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1251             network_extralibs="-lbind -lsocket"
1252         else
1253             enable beos_netserver
1254             network_extralibs="-lnet"
1255         fi ;;
1256     sunos)
1257         FFSERVERLDFLAGS=""
1258         SHFLAGS='-shared -Wl,-h,$$(@F)'
1259         network_extralibs="-lsocket -lnsl"
1260         ;;
1261     netbsd)
1262         oss_demuxer_extralibs="-lossaudio"
1263         oss_muxer_extralibs="-lossaudio"
1264         ;;
1265     openbsd)
1266         disable need_memalign
1267         LIBOBJFLAGS='$(PIC)'
1268         SHFLAGS='-shared'
1269         SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1270         SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1271         SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1272         oss_demuxer_extralibs="-lossaudio"
1273         oss_muxer_extralibs="-lossaudio"
1274         ;;
1275     freebsd)
1276         disable need_memalign
1277         ;;
1278     bsd/os)
1279         osextralibs="-lpoll -lgnugetopt"
1280         strip="strip -d"
1281         ;;
1282     darwin)
1283         disable need_memalign
1284         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1285         VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1286         strip="strip -x"
1287         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1288         SLIBSUF=".dylib"
1289         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1290         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1291         FFSERVERLDFLAGS=-Wl,-bind_at_load
1292         objformat="macho"
1293         enabled x86_64 && objformat="macho64"
1294         ;;
1295     mingw32*)
1296         target_os=mingw32
1297         LIBTARGET=i386
1298         if test $arch = x86_64; then
1299             disable need_memalign
1300             LIBTARGET=x64
1301         fi
1302         shlibdir_default="$bindir_default"
1303         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1304         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1305         if enabled swscale; then
1306             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1307             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1308         fi
1309         disable ffserver
1310         SLIBPREF=""
1311         SLIBSUF=".dll"
1312         EXESUF=".exe"
1313         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1314         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1315         SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1316         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1317             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1318         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1319         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1320         objformat="win32"
1321         enable dos_paths
1322         ;;
1323     cygwin*)
1324         target_os=cygwin
1325         shlibdir_default="$bindir_default"
1326         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1327         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1328         if enabled swscale; then
1329             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1330             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1331         fi
1332         EXESUF=".exe"
1333         SLIBPREF="cyg"
1334         SLIBSUF=".dll"
1335         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1336         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1337         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1338         objformat="win32"
1339         enable dos_paths
1340         ;;
1341     *-dos|freedos|opendos)
1342         disable ffplay ffserver vhook
1343         disable $INDEV_LIST $OUTDEV_LIST
1344         network_extralibs="-lsocket"
1345         EXESUF=".exe"
1346         objformat="win32"
1347         enable dos_paths
1348         ;;
1349     linux)
1350         enable dv1394
1351         ;;
1352     irix*)
1353         target_os=irix
1354         ranlib="echo ignoring ranlib"
1355         ;;
1356     os/2*)
1357         strip="lxlite"
1358         ln_s="cp -f"
1359         EXESUF=".exe"
1360         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1361         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1362         FFSERVERLDFLAGS=""
1363         LIBSUF="_s.a"
1364         SLIBPREF=""
1365         SLIBSUF=".dll"
1366         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1367         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1368         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1369           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1370           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1371           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1372           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1373           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1374         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1375           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1376         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1377         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1378         disable vhook
1379         enable dos_paths
1380         ;;
1381     interix)
1382         disable vhook
1383         ;;
1384
1385     *)
1386         target_os="${target_os}-UNKNOWN"
1387         ;;
1388 esac
1389
1390 set_default $PATHS_LIST
1391
1392 add_extralibs $osextralibs
1393
1394 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1395 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1396
1397 test -n "$cross_prefix" && enable cross_compile
1398
1399 # we need to build at least one lib type
1400 if ! enabled_any static shared; then
1401     cat <<EOF
1402 At least one library type must be built.
1403 Specify --enable-static to build the static libraries or --enable-shared to
1404 build the shared libraries as well. To only build the shared libraries specify
1405 --disable-static in addition to --enable-shared.
1406 EOF
1407     exit 1;
1408 fi
1409
1410 disabled static && LIBNAME=""
1411
1412 if enabled_any libfaad libfaadbin ; then
1413     if check_header faad.h; then
1414         check_cc <<EOF
1415 #include <faad.h>
1416 #ifndef FAAD2_VERSION
1417 ok faad1
1418 #endif
1419 int main(void) { return 0; }
1420 EOF
1421         test $? = 0 && enable libfaad2
1422     else
1423         die "FAAD test failed."
1424     fi
1425 fi
1426
1427
1428 if ! enabled gpl; then
1429     die_gpl_disabled(){
1430         name=$1
1431         shift
1432         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1433     }
1434     die_gpl_disabled "The Postprocessing code" postproc
1435     die_gpl_disabled "libx264"                 libx264
1436     die_gpl_disabled "libxvidcore"             libxvid
1437     die_gpl_disabled "FAAD2"                   libfaad2
1438     die_gpl_disabled "The X11 grabber"         x11grab
1439     die_gpl_disabled "The software scaler"     swscale
1440 fi
1441
1442 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1443     die "libamr is nonfree and --enable-nonfree is not specified."
1444 fi
1445
1446 check_deps $ARCH_EXT_LIST
1447
1448 test -z "$need_memalign" && need_memalign="$mmx"
1449
1450 #Darwin CC versions
1451 if test $target_os = darwin; then
1452     if $cc -v 2>&1 | grep -q xlc; then
1453         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1454     else
1455         add_cflags "-pipe"
1456         check_cflags "-force_cpusubtype_ALL"
1457         check_cflags "-Wno-sign-compare"
1458         enabled shared || check_cflags -mdynamic-no-pic
1459     fi
1460 fi
1461
1462 disabled optimizations || check_cflags -fomit-frame-pointer
1463
1464 # Add processor-specific flags
1465 if test $cpu != "generic"; then
1466     warn_altivec(){
1467         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1468     }
1469     case $cpu in
1470         601|ppc601|PowerPC601)
1471             add_cflags "-mcpu=601"
1472             warn_altivec enabled PPC601
1473         ;;
1474         603*|ppc603*|PowerPC603*)
1475             add_cflags "-mcpu=603"
1476             warn_altivec enabled PPC603
1477         ;;
1478         604*|ppc604*|PowerPC604*)
1479             add_cflags "-mcpu=604"
1480             warn_altivec enabled PPC604
1481         ;;
1482         G3|g3|75*|ppc75*|PowerPC75*)
1483             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1484             warn_altivec enabled PPC75x
1485         ;;
1486         G4|g4|745*|ppc745*|PowerPC745*)
1487             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1488             warn_altivec disabled PPC745x
1489         ;;
1490         74*|ppc74*|PowerPC74*)
1491             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1492             warn_altivec disabled PPC74xx
1493         ;;
1494         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1495             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1496             warn_altivec disabled PPC970
1497             enable ppc64
1498         ;;
1499         Cell|CELL|cell)
1500             add_cflags "-mcpu=cell"
1501             warn_altivec disabled Cell
1502             enable ppc64
1503         ;;
1504         # targets that do NOT support conditional mov (cmov)
1505         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1506             add_cflags "-march=$cpu"
1507             disable cmov
1508         ;;
1509         # targets that do support conditional mov (cmov)
1510         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1511             add_cflags "-march=$cpu"
1512             enable cmov
1513             enable fast_cmov
1514         ;;
1515         # targets that do support conditional mov but on which it's slow
1516         pentium4|pentium4m|prescott|nocona)
1517             add_cflags "-march=$cpu"
1518             enable cmov
1519             disable fast_cmov
1520         ;;
1521         sparc64)
1522             add_cflags "-mcpu=v9"
1523         ;;
1524         arm*|cortex*)
1525             add_cflags "-mcpu=$cpu"
1526         ;;
1527         *)
1528             echo "WARNING: Unknown CPU \"$cpu\", ignored."
1529         ;;
1530     esac
1531 fi
1532
1533 # make sure we can execute files in $TMPDIR
1534 cat > $TMPSH 2>> $logfile <<EOF
1535 #! /bin/sh
1536 EOF
1537 chmod +x $TMPSH >> $logfile 2>&1
1538 if ! $TMPSH >> $logfile 2>&1; then
1539     cat <<EOF
1540 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1541 variable to another directory and make sure that $TMPDIR1 is not mounted
1542 noexec.
1543 EOF
1544     die "Sanity test failed."
1545 fi
1546 rm $TMPSH
1547
1548 # compiler sanity check
1549 check_exec <<EOF
1550 int main(void){ return 0; }
1551 EOF
1552 if test "$?" != 0; then
1553     echo "$cc is unable to create an executable file."
1554     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1555         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1556         echo "Only do this if you know what cross compiling means."
1557     fi
1558     die "C compiler test failed."
1559 fi
1560
1561 check_cc <<EOF || die "Symbol mangling check failed."
1562 int ff_extern;
1563 EOF
1564 sym=$($nm -P -g $TMPO | grep ff_extern)
1565 extern_prefix=${sym%%ff_extern*}
1566
1567 check_asm inline_asm '""'
1568
1569 if enabled x86; then
1570     # check whether EBP is available on x86
1571     # As 'i' is stored on the stack, this program will crash
1572     # if the base pointer is used to access it because the
1573     # base pointer is cleared in the inline assembly code.
1574     check_exec_crash <<EOF && enable ebp_available
1575     volatile int i=0;
1576     asm volatile (
1577         "xorl %%ebp, %%ebp"
1578     ::: "%ebp");
1579     return i;
1580 EOF
1581
1582     # check wether EBX is available on x86
1583     check_asm ebx_available '"":::"%ebx"'
1584
1585     # check whether binutils is new enough to compile SSSE3/MMX2
1586     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1587     enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1588
1589     check_asm bswap '"bswap %%eax" ::: "%eax"'
1590
1591     YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1592     enabled     x86_64        && append YASMFLAGS "-m amd64"
1593     enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1594     case "$objformat" in
1595         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1596         macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1597         *)                    append YASMFLAGS "-DPREFIX"  ;;
1598     esac
1599     check_yasm "pabsw xmm0, xmm0" && enable yasm
1600 fi
1601
1602 # check for assembler specific support
1603
1604 if test $arch = "powerpc"; then
1605 check_cc <<EOF && enable dcbzl
1606 int main(void) {
1607     register long zero = 0;
1608     char data[1024];
1609     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1610 return 0;
1611 }
1612 EOF
1613 fi
1614
1615 # check for SIMD availability
1616
1617 # AltiVec flags: The FSF version of GCC differs from the Apple version
1618 if enabled altivec; then
1619     check_cflags -maltivec -mabi=altivec &&
1620         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1621         check_cflags -faltivec
1622
1623     # check if our compiler supports Motorola AltiVec C API
1624     check_cc <<EOF || disable altivec
1625 $inc_altivec_h
1626 int main(void) {
1627     vector signed int v1, v2, v3;
1628     v1 = vec_add(v2,v3);
1629     return 0;
1630 }
1631 EOF
1632
1633     # check if our compiler supports braces for vector declarations
1634     check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1635 $inc_altivec_h
1636 int main (void) { (vector int) {1}; return 0; }
1637 EOF
1638 fi
1639
1640 # We have to check if pld is a nop and disable it.
1641 enabled armv4l  && check_asm pld     '"pld [r0]"'
1642 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1643 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1644 enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1645 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1646 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1647 enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1648 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1649
1650 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1651
1652 # ---
1653 # big/little-endian test
1654 check_cc <<EOF || die "endian test failed"
1655 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1656 EOF
1657 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1658
1659 # ---
1660 # check availability of some header files
1661
1662 if check_func dlopen; then
1663     ldl=
1664 elif check_func dlopen -ldl; then
1665     ldl=-ldl
1666 fi
1667
1668 check_func  fork
1669 check_func  gethrtime
1670 check_func  getrusage
1671 check_func  inet_aton $network_extralibs
1672 check_func  memalign
1673 check_func  mkstemp
1674 check_func_headers windows.h GetProcessTimes
1675
1676 check_header byteswap.h
1677 check_header conio.h
1678 check_header dlfcn.h
1679 check_header malloc.h
1680 check_header poll.h
1681 check_header sys/mman.h
1682 check_header sys/resource.h
1683 check_header sys/select.h
1684 check_header termios.h
1685
1686 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1687     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1688 fi
1689
1690 enabled  zlib && check_lib  zlib.h      zlibVersion -lz   || disable  zlib
1691 enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1692
1693 # check for some common methods of building with pthread support
1694 # do this before the optional library checks as some of them require pthreads
1695 if enabled pthreads; then
1696     if check_func pthread_create; then
1697         :
1698     elif check_func pthread_create -pthread; then
1699         add_cflags -pthread
1700         add_extralibs -pthread
1701     elif check_func pthread_create -pthreads; then
1702         add_cflags -pthreads
1703         add_extralibs -pthreads
1704     elif check_func pthread_create -lpthreadGC2; then
1705         add_extralibs -lpthreadGC2
1706     elif ! check_lib pthread.h pthread_create -lpthread; then
1707         die "ERROR: can't find pthreads library"
1708     fi
1709 fi
1710
1711 for thread in $THREADS_LIST; do
1712     if enabled $thread; then
1713         test -n "$thread_type" &&
1714             die "ERROR: Only one thread type must be selected." ||
1715             thread_type="$thread"
1716     fi
1717 done
1718
1719 check_lib math.h sin -lm
1720
1721 # test for C99 functions in math.h
1722 for func in llrint lrint lrintf round roundf; do
1723     check_exec <<EOF && enable $func || disable $func
1724 #include <math.h>
1725 int main(void) { return ($func(3.999f) > 0)?0:1; }
1726 EOF
1727 done
1728
1729 # these are off by default, so fail if requested and not available
1730 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1731 enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1732 enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1733 enabled libdirac   && add_cflags "$(pkg-config --cflags dirac)" \
1734                    && require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder \
1735                    && require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1736 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1737 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1738 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1739 enabled libmp3lame && require  LAME lame/lame.h lame_init -lmp3lame -lm
1740 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1741 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) \
1742                         && require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1743 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1744 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1745 enabled libx264    && require  x264 x264.h x264_encoder_open -lx264 -lm \
1746                    && require_cpp_condition x264 x264.h "X264_BUILD >= 65"
1747 enabled libxvid    && require  Xvid xvid.h xvid_global -lxvidcore
1748 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1749
1750 # libdc1394 check
1751 if enabled libdc1394; then
1752     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1753         enable libdc1394_2; } ||
1754     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1755         enable libdc1394_1; } ||
1756     die "ERROR: No version of libdc1394 found "
1757 fi
1758
1759
1760 _restrict=
1761 for restrict_keyword in restrict __restrict__ __restrict; do
1762     check_cc <<EOF && _restrict=$restrict_keyword && break
1763 void foo(char * $restrict_keyword p);
1764 EOF
1765 done
1766
1767 test "$vhook" = "default" && vhook="$dlopen"
1768
1769 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1770     disable vhook
1771     echo
1772     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1773     echo "Patches welcome."
1774     echo
1775 fi
1776
1777 if enabled vhook; then
1778     check_ldflags -rdynamic
1779     check_ldflags -export-dynamic
1780 fi
1781
1782 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1783 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1784
1785 ##########################################
1786 # SDL check
1787
1788 disable sdl_too_old
1789 disable sdl
1790 SDL_CONFIG="${cross_prefix}sdl-config"
1791 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1792     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1793     temp_cflags $sdl_cflags
1794     temp_extralibs `"${SDL_CONFIG}" --libs`
1795     if check_lib2 SDL.h SDL_Init; then
1796         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1797         if test "$_sdlversion" -lt 121 ; then
1798             enable sdl_too_old
1799         else
1800             enable sdl
1801             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1802 #include <SDL.h>
1803 int main(int argc, char **argv){
1804     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1805     int w = vi->current_w;
1806     return 0;
1807 }
1808 EOF
1809         fi
1810     fi
1811     restore_flags
1812 fi
1813
1814 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1815
1816 ##########################################
1817 # Network check
1818
1819 if enabled network; then
1820     check_type sys/socket.h socklen_t
1821     # Prefer arpa/inet.h over winsock2
1822     if check_header arpa/inet.h ; then
1823         check_func closesocket
1824     elif check_header winsock2.h ; then
1825         network_extralibs="-lws2_32"
1826         check_type ws2tcpip.h socklen_t
1827         check_func_headers winsock2.h closesocket
1828     fi
1829 fi
1830
1831 ##########################################
1832 # IPv6 check
1833
1834 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1835 #include <sys/types.h>
1836 #include <sys/socket.h>
1837 #include <netinet/in.h>
1838 #include <netdb.h>
1839 int main(void) {
1840     struct sockaddr_storage saddr;
1841     struct ipv6_mreq mreq6;
1842     getaddrinfo(0,0,0,0);
1843     getnameinfo(0,0,0,0,0,0,0);
1844     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1845 }
1846 EOF
1847
1848 check_header linux/videodev.h
1849 check_header linux/videodev2.h
1850 check_header sys/videoio.h
1851
1852 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1853
1854 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1855 { check_header dev/bktr/ioctl_meteor.h &&
1856   check_header dev/bktr/ioctl_bt848.h; } ||
1857 { check_header machine/ioctl_meteor.h &&
1858   check_header machine/ioctl_bt848.h; } ||
1859 { check_header dev/video/meteor/ioctl_meteor.h &&
1860   check_header dev/video/bktr/ioctl_bt848.h; } ||
1861 check_header dev/ic/bt8xx.h
1862
1863 check_header sys/soundcard.h
1864 check_header soundcard.h
1865
1866 # deal with the X11 frame grabber
1867 enabled x11grab                         &&
1868 check_header X11/Xlib.h                 &&
1869 check_header X11/extensions/XShm.h      &&
1870 check_func XOpenDisplay -lX11           &&
1871 check_func XShmCreateImage -lX11 -lXext
1872
1873 enabled debug && add_cflags -g"$debuglevel"
1874
1875 # add some useful compiler flags if supported
1876 check_cflags -Wdeclaration-after-statement
1877 check_cflags -Wall
1878 check_cflags -Wno-switch
1879 check_cflags -Wdisabled-optimization
1880 check_cflags -Wpointer-arith
1881 check_cflags -Wredundant-decls
1882 check_cflags -Wno-pointer-sign
1883 check_cflags -Wcast-qual
1884 check_cflags -Wwrite-strings
1885 check_cflags -Wtype-limits
1886 enabled extra_warnings && check_cflags -Winline
1887
1888 # add some linker flags
1889 check_ldflags -Wl,--warn-common
1890 check_ldflags -Wl,--as-needed
1891 check_ldflags '-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'
1892 check_ldflags -Wl,-Bsymbolic
1893
1894 if enabled small; then
1895     check_cflags -Os            # not all compilers support -Os
1896     optimizations="small"
1897 elif enabled optimizations; then
1898     if $cc -v 2>&1 | grep -q xlc; then
1899         add_cflags  "-O5"
1900         add_ldflags "-O5"
1901     else
1902         add_cflags "-O3"
1903     fi
1904 fi
1905 check_cflags -fno-math-errno
1906 check_cflags -fno-signed-zeros
1907
1908 # add some flags for Intel C Compiler
1909 if $cc --version 2> /dev/null | grep -q Intel; then
1910   # Just warnings, no remarks
1911   check_cflags -w1
1912   # -wd: Disable following warnings
1913   # 144, 167, 556: -Wno-pointer-sign
1914   # 10006: ignoring unknown option -fno-signed-zeros
1915   # 10156: ignoring option '-W'; no argument required
1916   check_cflags -wd144,167,556,10006,10156
1917   # 11030: Warning unknown option --as-needed
1918   # 10156: ignoring option '-export'; no argument required
1919   check_ldflags -wd10156,11030
1920   # Allow to compile with optimizations
1921   check_ldflags -march=$cpu
1922 fi
1923
1924 # PIC flags for shared library objects where they are needed
1925 if enabled shared; then
1926     # LIBOBJFLAGS may have already been set in the OS configuration
1927     if test -z "$LIBOBJFLAGS" ; then
1928         case "$arch" in
1929             x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
1930         esac
1931     fi
1932 fi
1933
1934 if enabled gprof; then
1935     add_cflags  "-p"
1936     add_ldflags "-p"
1937 fi
1938
1939 VHOOKCFLAGS="-fPIC"
1940
1941 # Find out if the .align argument is a power of two or not.
1942 if test $asmalign_pot = "unknown"; then
1943     disable asmalign_pot
1944     echo 'asm (".align 3");' | check_cc && enable asmalign_pot
1945 fi
1946
1947 enabled_any $DECODER_LIST      && enable decoders
1948 enabled_any $ENCODER_LIST      && enable encoders
1949 enabled_any $BSF_LIST          && enable bsfs
1950 enabled_any $DEMUXER_LIST      && enable demuxers
1951 enabled_any $MUXER_LIST        && enable muxers
1952 enabled_any $FILTER_LIST       && enable filters
1953 enabled_any $INDEV_LIST        && enable demuxers
1954 enabled_any $OUTDEV_LIST       && enable muxers
1955 enabled_any $PROTOCOL_LIST     && enable protocols
1956
1957 enabled_any $THREADS_LIST      && enable threads
1958
1959 check_deps $CONFIG_LIST       \
1960            $HAVE_LIST         \
1961            $DECODER_LIST      \
1962            $ENCODER_LIST      \
1963            $PARSER_LIST       \
1964            $BSF_LIST          \
1965            $DEMUXER_LIST      \
1966            $MUXER_LIST        \
1967            $FILTER_LIST       \
1968            $INDEV_LIST        \
1969            $OUTDEV_LIST       \
1970            $PROTOCOL_LIST     \
1971
1972 enabled libdc1394 && append pkg_requires "libraw1394"
1973 enabled libdirac  && append pkg_requires "dirac"
1974 enabled libtheora && append pkg_requires "theora"
1975 enabled libvorbis && append pkg_requires "vorbisenc"
1976
1977 echo "install prefix            $prefix"
1978 echo "source path               $source_path"
1979 echo "C compiler                $cc"
1980 echo ".align is power-of-two    $asmalign_pot"
1981 echo "ARCH                      $arch ($cpu)"
1982 if test "$build_suffix" != ""; then
1983     echo "build suffix              $build_suffix"
1984 fi
1985 if test "$extra_version" != ""; then
1986     echo "version string suffix     $extra_version"
1987 fi
1988 echo "big-endian                ${bigendian-no}"
1989 if test $arch = "x86_32" -o $arch = "x86_64"; then
1990     echo "yasm                      ${yasm-no}"
1991     echo "MMX enabled               ${mmx-no}"
1992     echo "CMOV enabled              ${cmov-no}"
1993     echo "CMOV is fast              ${fast_cmov-no}"
1994     echo "EBX available             ${ebx_available-no}"
1995     echo "EBP available             ${ebp_available-no}"
1996 fi
1997 if test $arch = "armv4l"; then
1998     echo "ARMv5TE enabled           ${armv5te-no}"
1999     echo "ARMv6 enabled             ${armv6-no}"
2000     echo "ARM VFP enabled           ${armvfp-no}"
2001     echo "IWMMXT enabled            ${iwmmxt-no}"
2002     echo "NEON enabled              ${neon-no}"
2003 fi
2004 if test $arch = "mips"; then
2005     echo "MMI enabled               ${mmi-no}"
2006 fi
2007 if test $arch = "powerpc"; then
2008     echo "AltiVec enabled           ${altivec-no}"
2009     echo "dcbzl available           ${dcbzl-no}"
2010 fi
2011 echo "gprof enabled             ${gprof-no}"
2012 echo "debug symbols             ${debug-no}"
2013 echo "strip symbols             ${stripping-no}"
2014 echo "optimizations             ${optimizations-no}"
2015 echo "static                    ${static-no}"
2016 echo "shared                    ${shared-no}"
2017 echo "postprocessing support    ${postproc-no}"
2018 echo "software scaler enabled   ${swscale-no}"
2019 echo "new filter support        ${avfilter-no}"
2020 echo "filters using lavformat   ${avfilter_lavf-no}"
2021 echo "video hooking             ${vhook-no}"
2022 if enabled vhook; then
2023     echo "Imlib2 support            ${imlib2-no}"
2024     echo "FreeType support          ${freetype2-no}"
2025 fi
2026 echo "network support           ${network-no}"
2027 if enabled network; then
2028     echo "IPv6 support              ${ipv6-no}"
2029 fi
2030 echo "threading support         ${thread_type-no}"
2031 echo "SDL support               ${sdl-no}"
2032 if enabled sdl_too_old; then
2033     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2034 fi
2035 echo "Sun medialib support      ${mlib-no}"
2036 echo "AVISynth enabled          ${avisynth-no}"
2037 echo "libamr-nb support         ${libamr_nb-no}"
2038 echo "libamr-wb support         ${libamr_wb-no}"
2039 echo "libdc1394 support         ${libdc1394-no}"
2040 echo "libdirac enabled          ${libdirac-no}"
2041 echo "libfaac enabled           ${libfaac-no}"
2042 echo "libfaad enabled           ${libfaad-no}"
2043 echo "libfaad dlopened          ${libfaadbin-no}"
2044 echo "libgsm enabled            ${libgsm-no}"
2045 echo "libmp3lame enabled        ${libmp3lame-no}"
2046 echo "libnut enabled            ${libnut-no}"
2047 echo "libschroedinger enabled   ${libschroedinger-no}"
2048 echo "libtheora enabled         ${libtheora-no}"
2049 echo "libvorbis enabled         ${libvorbis-no}"
2050 echo "libx264 enabled           ${libx264-no}"
2051 echo "libxvid enabled           ${libxvid-no}"
2052 echo "zlib enabled              ${zlib-no}"
2053 echo "bzlib enabled             ${bzlib-no}"
2054 echo
2055
2056 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2057     echo "Enabled ${type}s:"
2058     eval list=\$$(toupper $type)_LIST
2059     for part in $list; do
2060         enabled $part && echo ${part%_*}
2061     done | sort | pr -3 -t
2062     echo
2063 done
2064
2065 license="LGPL"
2066 if enabled nonfree; then
2067     license="unredistributable"
2068 elif enabled gpl; then
2069     license="GPL"
2070 fi
2071
2072 echo "License: $license"
2073
2074 echo "Creating config.mak and config.h..."
2075
2076 echo "# Automatically generated by configure - do not modify!" > config.mak
2077 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2078 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2079 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2080 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2081
2082 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2083 echo "prefix=$prefix" >> config.mak
2084 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2085 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2086 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2087 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2088 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2089 echo "CC=$cc" >> config.mak
2090 echo "YASM=$yasmexe" >> config.mak
2091 echo "AR=$ar" >> config.mak
2092 echo "RANLIB=$ranlib" >> config.mak
2093 echo "LN_S=$ln_s" >> config.mak
2094 enabled stripping &&
2095     echo "STRIP=$strip" >> config.mak ||
2096     echo "STRIP=echo ignoring strip" >> config.mak
2097
2098 echo "OPTFLAGS=$CFLAGS" >> config.mak
2099 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2100 echo "LDFLAGS=$LDFLAGS" >> config.mak
2101 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2102 echo "SHFLAGS=$SHFLAGS" >> config.mak
2103 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2104 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2105 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2106 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2107 echo "BUILD_STATIC=$static" >> config.mak
2108 echo "BUILDSUF=$build_suffix" >> config.mak
2109 echo "FULLNAME=$FULLNAME" >> config.mak
2110 echo "LIBPREF=$LIBPREF" >> config.mak
2111 echo "LIBSUF=$LIBSUF" >> config.mak
2112 echo "LIBNAME=$LIBNAME" >> config.mak
2113 echo "SLIBPREF=$SLIBPREF" >> config.mak
2114 echo "SLIBSUF=$SLIBSUF" >> config.mak
2115 echo "EXESUF=$EXESUF" >> config.mak
2116 echo "EXTRA_VERSION=$extra_version" >> config.mak
2117 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2118
2119 if enabled bigendian; then
2120     echo "WORDS_BIGENDIAN=yes" >> config.mak
2121     echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2122 fi
2123
2124 if enabled sdl; then
2125     echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2126     echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2127 fi
2128 if enabled texi2html; then
2129     echo "BUILD_DOC=yes" >> config.mak
2130 fi
2131
2132 get_version(){
2133     name=$1
2134     file=$source_path/$2
2135     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2136     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2137     lcname=$(tolower $name)
2138     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2139     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2140 }
2141
2142 get_version LIBSWSCALE  libswscale/swscale.h
2143 get_version LIBPOSTPROC libpostproc/postprocess.h
2144 get_version LIBAVCODEC  libavcodec/avcodec.h
2145 get_version LIBAVDEVICE libavdevice/avdevice.h
2146 get_version LIBAVFORMAT libavformat/avformat.h
2147 get_version LIBAVUTIL   libavutil/avutil.h
2148 get_version LIBAVFILTER libavfilter/avfilter.h
2149
2150 if enabled shared; then
2151     echo "BUILD_SHARED=yes" >> config.mak
2152     echo "PIC=-fPIC -DPIC" >> config.mak
2153     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2154     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2155     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2156     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2157     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2158     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2159     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2160     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2161 fi
2162 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2163 echo "EXTRALIBS=$extralibs" >> config.mak
2164
2165 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2166 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2167 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2168                                       $DECODER_LIST      \
2169                                       $ENCODER_LIST      \
2170                                       $PARSER_LIST       \
2171                                       $BSF_LIST          \
2172                                       $DEMUXER_LIST      \
2173                                       $MUXER_LIST        \
2174                                       $FILTER_LIST       \
2175                                       $PROTOCOL_LIST     \
2176                                       $INDEV_LIST        \
2177                                       $OUTDEV_LIST       \
2178
2179 echo "#define restrict $_restrict" >> $TMPH
2180
2181 if enabled small; then
2182     echo "#define av_always_inline"  >> $TMPH
2183 fi
2184
2185 echo "SRC_PATH=\"$source_path\"" >> config.mak
2186 echo "SRC_PATH_BARE=$source_path" >> config.mak
2187 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2188
2189 # Apparently it's not possible to portably echo a backslash.
2190 enabled asmalign_pot &&
2191     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2192     printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2193
2194 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2195
2196 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2197
2198 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2199 cmp -s $TMPH config.h &&
2200     echo "config.h is unchanged" ||
2201     mv -f $TMPH config.h
2202
2203 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2204
2205 # build tree in object directory if source path is different from current one
2206 if enabled source_path_used; then
2207     DIRS="\
2208         doc               \
2209         libavcodec        \
2210         libavcodec/alpha  \
2211         libavcodec/armv4l \
2212         libavcodec/bfin   \
2213         libavcodec/i386   \
2214         libavcodec/mlib   \
2215         libavcodec/ppc    \
2216         libavcodec/sh4    \
2217         libavcodec/sparc  \
2218         libavdevice       \
2219         libavfilter       \
2220         libavformat       \
2221         libavutil         \
2222         libpostproc       \
2223         libswscale        \
2224         tests             \
2225         tools             \
2226         vhook             \
2227         "
2228     FILES="\
2229         Makefile             \
2230         common.mak           \
2231         subdir.mak           \
2232         doc/texi2pod.pl      \
2233         libavcodec/Makefile  \
2234         libavdevice/Makefile \
2235         libavfilter/Makefile \
2236         libavformat/Makefile \
2237         libavutil/Makefile   \
2238         libpostproc/Makefile \
2239         libswscale/Makefile  \
2240         "
2241     for dir in $DIRS ; do
2242         mkdir -p $dir
2243     done
2244     for f in $FILES ; do
2245         $ln_s "$source_path/$f" $f
2246     done
2247 fi
2248
2249
2250 # build pkg-config files
2251
2252 pkgconfig_generate(){
2253 name=$1
2254 shortname=${name#lib}
2255 comment=$2
2256 version=$3
2257 libs=$4
2258 requires=$5
2259 cat <<EOF > $name/$name.pc
2260 prefix=$prefix
2261 exec_prefix=\${prefix}
2262 libdir=$libdir
2263 includedir=$incdir
2264
2265 Name: $name
2266 Description: $comment
2267 Version: $version
2268 Requires: $(disabled shared && echo $requires)
2269 Requires.private: $(enabled shared && echo $requires)
2270 Conflicts:
2271 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2272 Libs.private: $(enabled shared && echo $libs)
2273 Cflags: -I\${includedir}
2274 EOF
2275 cat <<EOF > $name/$name-uninstalled.pc
2276 prefix=
2277 exec_prefix=
2278 libdir=\${pcfiledir}
2279 includedir=${source_path}
2280
2281 Name: $name
2282 Description: $comment
2283 Version: $version
2284 Requires: $requires
2285 Conflicts:
2286 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2287 Cflags: -I\${includedir}
2288 EOF
2289 }
2290
2291 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2292 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2293 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2294 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2295 enabled avfilter &&
2296     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2297 enabled postproc &&
2298     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2299 if enabled swscale; then
2300     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2301 else
2302     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2303     apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2304 fi