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-mpegaudio-hp   faster (but less accurate)"
 139   echo "                           MPEG audio decoding [default=no]"
 140   echo "  --enable-gray            enable full grayscale support (slower color)"
 141   echo "  --disable-ffmpeg         disable ffmpeg build"
 142   echo "  --disable-ffserver       disable ffserver build"
 143   echo "  --disable-ffplay         disable ffplay build"
 144   echo "  --enable-small           optimize for size instead of speed"
 145   echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
 146   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 147   echo "  --disable-encoder=NAME   disables encoder NAME"
 148   echo "  --enable-encoder=NAME    enables encoder NAME"
 149   echo "  --disable-decoder=NAME   disables decoder NAME"
 150   echo "  --enable-decoder=NAME    enables decoder NAME"
 151   echo "  --disable-encoders       disables all encoders"
 152   echo "  --disable-decoders       disables all decoders"
 153   echo "  --disable-muxer=NAME     disables muxer NAME"
 154   echo "  --enable-muxer=NAME      enables muxer NAME"
 155   echo "  --disable-muxers         disables all muxers"
 156   echo "  --disable-demuxer=NAME   disables demuxer NAME"
 157   echo "  --enable-demuxer=NAME    enables demuxer NAME"
 158   echo "  --disable-demuxers       disables all demuxers"
 159   echo "  --enable-parser=NAME     enables parser NAME"
 160   echo "  --disable-parser=NAME    disables parser NAME"
 161   echo "  --disable-parsers        disables all parsers"
 162   echo "  --enable-bsf=NAME        enables bitstream filter NAME"
 163   echo "  --disable-bsf=NAME       disables bitstream filter NAME"
 164   echo "  --disable-bsfs           disables all bitstream filters"
 165   echo "  --enable-protocol=NAME   enables protocol NAME"
 166   echo "  --disable-protocol=NAME  disables protocol NAME"
 167   echo "  --disable-protocols      disables all protocols"
 168   echo "  --disable-devices        disables all devices"
 169   echo "  --list-decoders          show all available decoders"
 170   echo "  --list-encoders          show all available encoders"
 171   echo "  --list-muxers            show all available muxers"
 172   echo "  --list-demuxers          show all available demuxers"
 173   echo "  --list-parsers           show all available parsers"
 174   echo "  --list-protocols         show all available protocols"
 175   echo "  --list-bsfs              show all available bitstream filters"
 176   echo "  --list-indevs            show all available input devices"
 177   echo "  --list-outdevs           show all available output devices"
 178   echo
 179   echo "Developer options (useful when working on FFmpeg itself):"
 180   echo "  --disable-debug          disable debugging symbols"
 181   echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
 182   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 183   echo "  --disable-optimizations  disable compiler optimizations"
 184   echo "  --enable-extra-warnings  enable more compiler warnings"
 185   echo "  --disable-stripping      disable stripping of executables and shared libraries"
 186   echo ""
 187   echo "NOTE: Object files are built at the place where configure is launched."
 188   exit 1
 189 }
 190
 191 log(){
 192     echo "$@" >> $logfile
 193 }
 194
 195 log_file(){
 196     log BEGIN $1
 197     pr -n -t $1 >> $logfile
 198     log END $1
 199 }
 200
 201 echolog(){
 202     log "$@"
 203     echo "$@"
 204 }
 205
 206 die(){
 207     echolog "$@"
 208     cat <<EOF
 209 If you think configure made a mistake, make sure you are using the latest
 210 version from SVN.  If the latest version fails, report the problem to the
 211 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 212 EOF
 213     if disabled logging; then
 214         cat <<EOF
 215 Rerun configure with logging enabled (do not use --disable-logging), and
 216 include the log this produces with your report.
 217 EOF
 218     else
 219 cat <<EOF
 220 Include the log file "$logfile" produced by configure as this will help
 221 solving the problem.
 222 EOF
 223     fi
 224     rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
 225     exit 1
 226 }
 227
 228 # Avoid locale weirdness, besides we really just want to translate ASCII.
 229 toupper(){
 230     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 231 }
 232
 233 tolower(){
 234     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 235 }
 236
 237 set_all(){
 238     value=$1
 239     shift
 240     for var in $*; do
 241         eval $var=$value
 242     done
 243 }
 244
 245 pushvar(){
 246     for var in $*; do
 247         eval level=\${${var}_level:=0}
 248         eval ${var}_${level}="\$$var"
 249         eval ${var}_level=$(($level+1))
 250     done
 251 }
 252
 253 popvar(){
 254     for var in $*; do
 255         eval level=\${${var}_level:-0}
 256         test $level = 0 && continue
 257         eval level=$(($level-1))
 258         eval $var="\${${var}_${level}}"
 259         eval ${var}_level=$level
 260         eval unset ${var}_${level}
 261     done
 262 }
 263
 264 enable(){
 265     set_all yes $*
 266 }
 267
 268 disable(){
 269     set_all no $*
 270 }
 271
 272 enabled(){
 273     test "${1#!}" = "$1" && op== || op=!=
 274     eval test "x\$${1#!}" $op "xyes"
 275 }
 276
 277 disabled(){
 278     test "${1#!}" = "$1" && op== || op=!=
 279     eval test "x\$${1#!}" $op "xno"
 280 }
 281
 282 enabled_all(){
 283     for opt; do
 284         enabled $opt || return 1
 285     done
 286 }
 287
 288 disabled_all(){
 289     for opt; do
 290         disabled $opt || return 1
 291     done
 292 }
 293
 294 enabled_any(){
 295     for opt; do
 296         enabled $opt && return 0
 297     done
 298 }
 299
 300 disabled_any(){
 301     for opt; do
 302         disabled $opt && return 0
 303     done
 304 }
 305
 306 set_default(){
 307     for opt; do
 308         eval test -z "\$$opt" && eval $opt=\$${opt}_default
 309     done
 310 }
 311
 312 is_in(){
 313     value=$1
 314     shift
 315     for var in $*; do
 316         [ $var = $value ] && return 0
 317     done
 318     return 1
 319 }
 320
 321 check_deps(){
 322     for cfg; do
 323         cfg="${cfg#!}"
 324         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 325         disabled ${cfg}_checking && continue
 326         enable ${cfg}_checking
 327
 328         eval dep_all="\$${cfg}_deps"
 329         eval dep_any="\$${cfg}_deps_any"
 330
 331         pushvar cfg dep_all dep_any
 332         check_deps $dep_all $dep_any
 333         popvar cfg dep_all dep_any
 334
 335         enabled_all $dep_all || disable $cfg
 336         enabled_any $dep_any || disable $cfg
 337
 338         if enabled $cfg; then
 339             eval dep_extralibs="\$${cfg}_extralibs"
 340             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 341         fi
 342
 343         disable ${cfg}_checking
 344     done
 345 }
 346
 347 print_config(){
 348     pfx=$1
 349     header=$2
 350     makefile=$3
 351     shift 3
 352     for cfg; do
 353         ucname="`toupper $cfg`"
 354         if enabled $cfg; then
 355             echo "#define ${pfx}${ucname} 1" >> $header
 356             echo "#define ENABLE_${ucname} 1" >> $header
 357             echo "${pfx}${ucname}=yes" >> $makefile
 358         else
 359             echo "#define ENABLE_${ucname} 0" >> $header
 360         fi
 361     done
 362 }
 363
 364 flags_saved(){
 365     (: ${SAVE_CFLAGS?}) 2> /dev/null
 366 }
 367
 368 save_flags(){
 369     flags_saved && return
 370     SAVE_CFLAGS="$CFLAGS"
 371     SAVE_LDFLAGS="$LDFLAGS"
 372     SAVE_extralibs="$extralibs"
 373 }
 374
 375 restore_flags(){
 376     flags_saved || return
 377     CFLAGS="$SAVE_CFLAGS"
 378     LDFLAGS="$SAVE_LDFLAGS"
 379     extralibs="$SAVE_extralibs"
 380     unset SAVE_CFLAGS
 381     unset SAVE_LDFLAGS
 382     unset SAVE_extralibs
 383 }
 384
 385 temp_cflags(){
 386     save_flags
 387     CFLAGS="$CFLAGS $*"
 388 }
 389
 390 temp_ldflags(){
 391     save_flags
 392     LDFLAGS="$LDFLAGS $*"
 393 }
 394
 395 temp_extralibs(){
 396     save_flags
 397     extralibs="$extralibs $*"
 398 }
 399
 400 append(){
 401     var=$1
 402     shift
 403     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 404     eval "$var=\"\$$var $*\""
 405 }
 406
 407 add_cflags(){
 408     append CFLAGS "$@"
 409 }
 410
 411 add_ldflags(){
 412     append LDFLAGS "$@"
 413 }
 414
 415 add_extralibs(){
 416     append extralibs "$@"
 417 }
 418
 419 check_cmd(){
 420     log "$@"
 421     "$@" >> $logfile 2>&1
 422 }
 423
 424 check_cc(){
 425     log check_cc "$@"
 426     cat > $TMPC
 427     log_file $TMPC
 428     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 429 }
 430
 431 check_cpp(){
 432     log check_cpp "$@"
 433     cat > $TMPC
 434     log_file $TMPC
 435     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 436 }
 437
 438 check_asm(){
 439     log check_asm "$@"
 440     name="$1"
 441     asm="$2"
 442     shift 2
 443     check_cc "$@" <<EOF && enable $name || disable $name
 444 int foo(void){ asm volatile($asm); }
 445 EOF
 446 }
 447
 448 check_yasm(){
 449     log check_yasm "$@"
 450     echo "$1" > $TMPS
 451     log_file $TMPS
 452     shift 1
 453     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 454 }
 455
 456 check_ld(){
 457     log check_ld "$@"
 458     check_cc || return
 459     flags=''
 460     libs=''
 461     for f; do
 462         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 463     done
 464     check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 465 }
 466
 467 check_cflags(){
 468     log check_cflags "$@"
 469     check_cc "$@" <<EOF && add_cflags "$@"
 470 int x;
 471 EOF
 472 }
 473
 474 check_ldflags(){
 475     log check_ldflags "$@"
 476     check_ld "$@" <<EOF && add_ldflags "$@"
 477 int main(void){ return 0; }
 478 EOF
 479 }
 480
 481 check_header(){
 482     log check_header "$@"
 483     header=$1
 484     shift
 485     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 486     disable $var
 487     check_cpp "$@" <<EOF && enable $var
 488 #include <$header>
 489 int x;
 490 EOF
 491 }
 492
 493 check_func(){
 494     log check_func "$@"
 495     func=$1
 496     shift
 497     disable $func
 498     check_ld "$@" <<EOF && enable $func
 499 extern int $func();
 500 int main(void){ $func(); }
 501 EOF
 502 }
 503
 504 check_func2(){
 505     log check_func2 "$@"
 506     headers=$1
 507     func=$2
 508     shift 2
 509     disable $func
 510     incs=""
 511     for hdr in $headers; do
 512         incs="$incs
 513 #include <$hdr>"
 514     done
 515     check_ld "$@" <<EOF && enable $func
 516 $incs
 517 int main(int argc, char **argv){
 518     (void) $func;
 519     return 0;
 520 }
 521 EOF
 522 }
 523
 524 check_lib(){
 525     log check_lib "$@"
 526     header="$1"
 527     func="$2"
 528     shift 2
 529     temp_extralibs "$@"
 530     check_header $header && check_func $func && add_extralibs "$@"
 531     err=$?
 532     restore_flags
 533     return $err
 534 }
 535
 536 check_lib2(){
 537     log check_lib2 "$@"
 538     headers="$1"
 539     func="$2"
 540     shift 2
 541     temp_extralibs "$@"
 542     check_func2 "$headers" $func && add_extralibs "$@"
 543     err=$?
 544     restore_flags
 545     return $err
 546 }
 547
 548 check_exec(){
 549     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 550 }
 551
 552 check_exec_crash(){
 553     code=`cat`
 554
 555     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 556     # are safe but may not be available everywhere.  Thus we use
 557     # raise(SIGTERM) instead.  The check is run in a subshell so we
 558     # can redirect the "Terminated" message from the shell.  SIGBUS
 559     # is not defined by standard C so it is used conditionally.
 560
 561     (check_exec "$@") >> $logfile 2>&1 <<EOF
 562 #include <signal.h>
 563 static void sighandler(int sig){
 564     raise(SIGTERM);
 565 }
 566 int main(void){
 567     signal(SIGILL, sighandler);
 568     signal(SIGFPE, sighandler);
 569     signal(SIGSEGV, sighandler);
 570 #ifdef SIGBUS
 571     signal(SIGBUS, sighandler);
 572 #endif
 573     { $code }
 574 }
 575 EOF
 576 }
 577
 578 check_type(){
 579     log check_type "$@"
 580     headers=$1
 581     type=$2
 582     shift 2
 583     disable $type
 584     incs=""
 585     for hdr in $headers; do
 586         incs="$incs
 587 #include <$hdr>"
 588     done
 589     check_cc "$@" <<EOF && enable $type
 590 $incs
 591 $type v;
 592 EOF
 593 }
 594
 595 require(){
 596     name="$1"
 597     header="$2"
 598     func="$3"
 599     shift 3
 600     check_lib $header $func "$@" || die "ERROR: $name not found"
 601 }
 602
 603 require2(){
 604     name="$1"
 605     headers="$2"
 606     func="$3"
 607     shift 3
 608     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 609 }
 610
 611 check_foo_config(){
 612     cfg=$1
 613     pkg=$2
 614     header=$3
 615     func=$4
 616     shift 4
 617     disable $cfg
 618     check_cmd ${pkg}-config --version
 619     err=$?
 620     if test "$err" = 0; then
 621         temp_cflags `${pkg}-config --cflags`
 622         temp_extralibs `${pkg}-config --libs`
 623         check_lib "$@" $header $func && enable $cfg
 624     fi
 625     return $err
 626 }
 627
 628 apply(){
 629     file=$1
 630     shift
 631     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 632 }
 633
 634 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 635 # system-dependent things.
 636
 637 COMPONENT_LIST="
 638     bsfs
 639     decoders
 640     demuxers
 641     encoders
 642     filters
 643     indevs
 644     muxers
 645     outdevs
 646     parsers
 647     protocols
 648 "
 649
 650 CONFIG_LIST="
 651     $COMPONENT_LIST
 652     avfilter
 653     avfilter_lavf
 654     avisynth
 655     beos_netserver
 656     bzlib
 657     ffmpeg
 658     ffplay
 659     ffserver
 660     gpl
 661     gprof
 662     gray
 663     hardcoded_tables
 664     ipv6
 665     liba52
 666     liba52bin
 667     libamr_nb
 668     libamr_wb
 669     libdc1394
 670     libdirac
 671     libfaac
 672     libfaad
 673     libfaadbin
 674     libgsm
 675     libmp3lame
 676     libnut
 677     libschroedinger
 678     libtheora
 679     libvorbis
 680     libx264
 681     libxvid
 682     memalign_hack
 683     mlib
 684     mpegaudio_hp
 685     network
 686     nonfree
 687     postproc
 688     powerpc_perf
 689     small
 690     swscale
 691     vhook
 692     x11grab
 693     zlib
 694 "
 695
 696 THREADS_LIST='
 697     beosthreads
 698     os2threads
 699     pthreads
 700     w32threads
 701 '
 702
 703 ARCH_LIST='
 704     alpha
 705     armv4l
 706     bfin
 707     ia64
 708     m68k
 709     mips
 710     parisc
 711     powerpc
 712     s390
 713     sh4
 714     sparc
 715     sparc64
 716     x86
 717     x86_32
 718     x86_64
 719 '
 720
 721 ARCH_EXT_LIST='
 722     altivec
 723     armv5te
 724     armv6
 725     armvfp
 726     iwmmxt
 727     mmi
 728     mmx
 729     mmx2
 730     neon
 731     ssse3
 732     vis
 733 '
 734
 735 HAVE_LIST="
 736     $ARCH_EXT_LIST
 737     $THREADS_LIST
 738     altivec_h
 739     arpa_inet_h
 740     bswap
 741     byteswap_h
 742     closesocket
 743     cmov
 744     conio_h
 745     dcbzl
 746     dev_bktr_ioctl_bt848_h
 747     dev_bktr_ioctl_meteor_h
 748     dev_ic_bt8xx_h
 749     dev_video_meteor_ioctl_meteor_h
 750     dev_video_bktr_ioctl_bt848_h
 751     dlfcn_h
 752     dlopen
 753     ebp_available
 754     ebx_available
 755     fast_64bit
 756     fast_cmov
 757     fast_unaligned
 758     fork
 759     freetype2
 760     gethrtime
 761     GetProcessTimes
 762     getrusage
 763     imlib2
 764     inet_aton
 765     inline_asm
 766     libdc1394_1
 767     libdc1394_2
 768     llrint
 769     lrint
 770     lrintf
 771     machine_ioctl_bt848_h
 772     machine_ioctl_meteor_h
 773     malloc_h
 774     memalign
 775     mkstemp
 776     pld
 777     ppc64
 778     round
 779     roundf
 780     sdl
 781     sdl_video_size
 782     socklen_t
 783     soundcard_h
 784     poll_h
 785     sys_mman_h
 786     sys_resource_h
 787     sys_select_h
 788     sys_soundcard_h
 789     termios_h
 790     threads
 791     winsock2_h
 792     yasm
 793 "
 794
 795 CMDLINE_SELECT="
 796     $ARCH_EXT_LIST
 797     $CONFIG_LIST
 798     $THREADS_LIST
 799     cross_compile
 800     debug
 801     extra_warnings
 802     logging
 803     optimizations
 804     shared
 805     static
 806     stripping
 807 "
 808
 809 PATHS_LIST='
 810     bindir
 811     incdir
 812     libdir
 813     mandir
 814     prefix
 815     shlibdir
 816 '
 817
 818 CMDLINE_SET="
 819     $PATHS_LIST
 820     arch
 821     build_suffix
 822     cc
 823     cpu
 824     cross_prefix
 825     logfile
 826     source_path
 827     target_os
 828 "
 829
 830 # code dependency declarations
 831
 832 # architecture extensions
 833 altivec_deps="powerpc"
 834 armv5te_deps="armv4l"
 835 armv6_deps="armv4l"
 836 armvfp_deps="armv4l"
 837 iwmmxt_deps="armv4l"
 838 mmi_deps="mips"
 839 mmx_deps="x86"
 840 mmx2_deps="x86 mmx"
 841 neon_deps="armv4l"
 842 ssse3_deps="x86"
 843 vis_deps="sparc"
 844
 845 # system headers and functions
 846 byteswap_h_deps="!armv4l"
 847
 848 # decoders / encoders
 849 ac3_decoder_deps="gpl !liba52"
 850 dxa_decoder_deps="zlib"
 851 flashsv_decoder_deps="zlib"
 852 flashsv_encoder_deps="zlib"
 853 mlp_decoder_deps="mlp_parser"
 854 mpeg_xvmc_decoder_deps="xvmc"
 855 png_decoder_deps="zlib"
 856 png_encoder_deps="zlib"
 857 zmbv_decoder_deps="zlib"
 858 zmbv_encoder_deps="zlib"
 859
 860 # external libraries
 861 liba52_decoder_deps="liba52"
 862 liba52bin_decoder_extralibs='$ldl'
 863 libamr_nb_decoder_deps="libamr_nb"
 864 libamr_nb_encoder_deps="libamr_nb"
 865 libamr_wb_decoder_deps="libamr_wb"
 866 libamr_wb_encoder_deps="libamr_wb"
 867 libdirac_decoder_deps="libdirac !libschroedinger"
 868 libdirac_encoder_deps="libdirac"
 869 libfaac_encoder_deps="libfaac"
 870 libfaad_decoder_deps="libfaad"
 871 libfaadbin_decoder_extralibs='$ldl'
 872 libgsm_decoder_deps="libgsm"
 873 libgsm_encoder_deps="libgsm"
 874 libgsm_ms_decoder_deps="libgsm"
 875 libgsm_ms_encoder_deps="libgsm"
 876 libmp3lame_encoder_deps="libmp3lame"
 877 libschroedinger_decoder_deps="libschroedinger"
 878 libschroedinger_encoder_deps="libschroedinger"
 879 libtheora_encoder_deps="libtheora"
 880 libvorbis_encoder_deps="libvorbis"
 881 libx264_encoder_deps="libx264"
 882 libxvid_encoder_deps="libxvid"
 883 mpeg4aac_decoder_deps="libfaad"
 884
 885 # demuxers / muxers
 886 ac3_demuxer_deps="ac3_parser"
 887 audio_beos_demuxer_deps="audio_beos"
 888 audio_beos_demuxer_extralibs="-lmedia -lbe"
 889 audio_beos_muxer_deps="audio_beos"
 890 audio_beos_muxer_extralibs="-lmedia -lbe"
 891 avisynth_demuxer_deps="avisynth"
 892 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
 893 dirac_demuxer_deps="dirac_parser"
 894 dv1394_demuxer_deps="dv1394 dv_demuxer"
 895 libdc1394_demuxer_deps="libdc1394"
 896 libnut_demuxer_deps="libnut"
 897 libnut_muxer_deps="libnut"
 898 mp3_demuxer_deps="mpegaudio_parser"
 899 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
 900 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
 901 redir_demuxer_deps="network"
 902 rtp_muxer_deps="network rtp_protocol"
 903 rtsp_demuxer_deps="sdp_demuxer"
 904 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
 905 v4l_demuxer_deps="linux_videodev_h"
 906 v4l2_demuxer_deps="linux_videodev2_h"
 907 vfwcap_demuxer_deps="capCreateCaptureWindow"
 908 vfwcap_demuxer_extralibs="-lvfw32"
 909 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
 910 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
 911
 912 # protocols
 913 http_protocol_deps="network"
 914 rtp_protocol_deps="udp_protocol"
 915 tcp_protocol_deps="network"
 916 udp_protocol_deps="network"
 917
 918 # filters
 919 movie_filter_deps="avfilter_lavf"
 920
 921 # programs
 922 ffplay_deps="sdl"
 923 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
 924 ffserver_extralibs='$ldl'
 925 vhook_extralibs='$ldl'
 926
 927
 928 # default parameters
 929
 930 logfile="config.err"
 931
 932 # installation paths
 933 prefix_default="/usr/local"
 934 bindir_default='${prefix}/bin'
 935 incdir_default='${prefix}/include'
 936 libdir_default='${prefix}/lib'
 937 mandir_default='${prefix}/share/man'
 938 shlibdir_default="$libdir_default"
 939
 940 # toolchain
 941 cc="gcc"
 942 yasmexe="yasm"
 943 ar="ar"
 944 nm="nm"
 945 ranlib="ranlib"
 946 strip="strip"
 947 asmalign_pot="unknown"
 948 ln_s="ln -sf"
 949 objformat="elf"
 950
 951 # machine
 952 arch=`uname -m`
 953 cpu="generic"
 954
 955 # OS
 956 target_os=$(tolower $(uname -s))
 957
 958 # libraries
 959 enable bzlib
 960 enable zlib
 961
 962 # configurable options
 963 enable debug
 964 enable ffmpeg
 965 enable ffplay
 966 enable ffserver
 967 enable ipv6
 968 enable mpegaudio_hp
 969 enable network
 970 enable optimizations
 971 enable protocols
 972 enable static
 973 enable stripping
 974 vhook="default"
 975
 976 # build settings
 977 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
 978 SHFLAGS='-shared -Wl,-soname,$$(@F)'
 979 VHOOKSHFLAGS='$(SHFLAGS)'
 980 FFSERVERLDFLAGS=-Wl,-E
 981 LIBPREF="lib"
 982 LIBSUF=".a"
 983 FULLNAME='$(NAME)$(BUILDSUF)'
 984 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
 985 SLIBPREF="lib"
 986 SLIBSUF=".so"
 987 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
 988 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
 989 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
 990 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
 991
 992 # gcc stupidly only outputs the basename of targets with -MM
 993 DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "1s,^,$(@D)/," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
 994
 995 # find source path
 996 source_path="`dirname \"$0\"`"
 997 enable source_path_used
 998 if test -z "$source_path" -o "$source_path" = "." ; then
 999     source_path="`pwd`"
1000     disable source_path_used
1001 else
1002     source_path="`cd \"$source_path\"; pwd`"
1003     echo "$source_path" | grep -q '[[:blank:]]' &&
1004         die "Out of tree builds are impossible with whitespace in source path."
1005 fi
1006
1007 FFMPEG_CONFIGURATION="$@"
1008
1009 find_things(){
1010     thing=$1
1011     pattern=$2
1012     file=$source_path/$3
1013     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1014 }
1015
1016 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1017 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1018 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1019 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1020 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1021 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1022 OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1023 INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1024 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1025 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1026
1027 enable $ARCH_EXT_LIST \
1028        $DECODER_LIST \
1029        $ENCODER_LIST \
1030        $PARSER_LIST \
1031        $BSF_LIST \
1032        $DEMUXER_LIST \
1033        $MUXER_LIST \
1034        $FILTER_LIST \
1035        $PROTOCOL_LIST \
1036        $INDEV_LIST \
1037        $OUTDEV_LIST \
1038
1039 die_unknown(){
1040     echo "Unknown option \"$1\"."
1041     echo "See $0 --help for available options."
1042     exit 1
1043 }
1044
1045 show_list() {
1046     suffix=_$1
1047     shift
1048     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1049     exit 0
1050 }
1051
1052 for opt do
1053     optval="${opt#*=}"
1054     case "$opt" in
1055     --extra-cflags=*) add_cflags "$optval"
1056     ;;
1057     --extra-ldflags=*) add_ldflags "$optval"
1058     ;;
1059     --extra-libs=*) add_extralibs "$optval"
1060     ;;
1061     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1062     ;;
1063     --enable-debug=*) debuglevel="$optval"
1064     ;;
1065     --enable-*=*|--disable-*=*)
1066     eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1067     case "$thing" in
1068         encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1069         *) die_unknown "$opt" ;;
1070     esac
1071     ;;
1072     --enable-?*|--disable-?*)
1073     eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1074     if is_in $option $COMPONENT_LIST; then
1075         eval $action \$$(toupper ${option%s})_LIST
1076     elif is_in $option $CMDLINE_SELECT; then
1077         $action $option
1078     else
1079         die_unknown $opt
1080     fi
1081     ;;
1082     --list-*)
1083         NAME="${opt#--list-}"
1084         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1085         NAME=${NAME%s}
1086         eval show_list $NAME \$$(toupper $NAME)_LIST
1087     ;;
1088     --help|-h) show_help
1089     ;;
1090     *)
1091     optname="${opt%=*}"
1092     optname="${optname#--}"
1093     optname=$(echo "$optname" | sed 's/-/_/g')
1094     is_in $optname $CMDLINE_SET || die_unknown $opt
1095     eval $optname='$optval'
1096     ;;
1097     esac
1098 done
1099
1100 disabled logging && logfile=/dev/null
1101
1102 echo "# $0 $@" > $logfile
1103 set >> $logfile
1104
1105 cc="${cross_prefix}${cc}"
1106 yasmexe="${cross_prefix}${yasmexe}"
1107 ar="${cross_prefix}${ar}"
1108 nm="${cross_prefix}${nm}"
1109 ranlib="${cross_prefix}${ranlib}"
1110 strip="${cross_prefix}${strip}"
1111
1112 # set temporary file name
1113 if test ! -z "$TMPDIR" ; then
1114     TMPDIR1="${TMPDIR}"
1115 elif test ! -z "$TEMPDIR" ; then
1116     TMPDIR1="${TEMPDIR}"
1117 else
1118     TMPDIR1="/tmp"
1119 fi
1120
1121 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1122 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1123 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1124 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1125 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1126 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1127
1128 check_cflags -fasm
1129 check_cflags -std=c99
1130
1131 case "$arch" in
1132     i386|i486|i586|i686|i86pc|BePC)
1133         arch="x86_32"
1134         enable fast_unaligned
1135     ;;
1136     x86_64|amd64)
1137         arch="x86_32"
1138         enable fast_unaligned
1139         check_cc <<EOF && enable fast_64bit && arch="x86_64"
1140         int test[sizeof(char*) - 7];
1141 EOF
1142     ;;
1143     # armv4l is a subset of armv[567]*l
1144     arm|armv[4567]*l)
1145         arch="armv4l"
1146     ;;
1147     alpha)
1148         arch="alpha"
1149         enable fast_64bit
1150     ;;
1151     "Power Macintosh"|ppc|powerpc)
1152         arch="powerpc"
1153     ;;
1154     ppc64)
1155         arch="powerpc"
1156         enable fast_64bit
1157     ;;
1158     mips|mipsel|IP*)
1159         arch="mips"
1160     ;;
1161     sun4u|sparc64)
1162         arch="sparc64"
1163         enable fast_64bit
1164     ;;
1165     sparc)
1166         arch="sparc"
1167     ;;
1168     sh4)
1169         arch="sh4"
1170     ;;
1171     parisc)
1172         arch="parisc"
1173     ;;
1174     parisc64)
1175         arch="parisc"
1176         enable fast_64bit
1177     ;;
1178     s390|s390x)
1179         arch="s390"
1180     ;;
1181     m68k)
1182         arch="m68k"
1183     ;;
1184     ia64)
1185         arch="ia64"
1186         enable fast_64bit
1187     ;;
1188     bfin)
1189         arch="bfin"
1190     ;;
1191     *)
1192         arch="unknown"
1193     ;;
1194 esac
1195
1196 enable $arch
1197 enabled_any x86_32 x86_64 && enable x86
1198 enabled     sparc64       && enable sparc
1199
1200 # OS specific
1201 case $target_os in
1202     beos|haiku|zeta)
1203         prefix_default="$HOME/config"
1204         # helps building libavcodec
1205         add_cflags "-DPIC -fomit-frame-pointer"
1206         # 3 gcc releases known for BeOS, each with ugly bugs
1207         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1208         case "$gcc_version" in
1209           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1210             disable mmx
1211             ;;
1212           *20010315*) echo "BeBits gcc"
1213             add_cflags "-fno-expensive-optimizations"
1214             ;;
1215         esac
1216         SHFLAGS=-nostart
1217         # enable BeOS things
1218         enable audio_beos
1219         # no need for libm, but the inet stuff
1220         # Check for BONE
1221         # XXX: actually should check for NOT net_server
1222         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1223             network_extralibs="-lbind -lsocket"
1224         else
1225             enable beos_netserver
1226             network_extralibs="-lnet"
1227         fi ;;
1228     sunos)
1229         FFSERVERLDFLAGS=""
1230         SHFLAGS='-shared -Wl,-h,$$(@F)'
1231         network_extralibs="-lsocket -lnsl"
1232         ;;
1233     netbsd)
1234         oss_demuxer_extralibs="-lossaudio"
1235         oss_muxer_extralibs="-lossaudio"
1236         ;;
1237     openbsd)
1238         disable need_memalign
1239         LIBOBJFLAGS='$(PIC)'
1240         SHFLAGS='-shared'
1241         SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1242         SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1243         SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1244         oss_demuxer_extralibs="-lossaudio"
1245         oss_muxer_extralibs="-lossaudio"
1246         ;;
1247     freebsd)
1248         disable need_memalign
1249         ;;
1250     bsd/os)
1251         osextralibs="-lpoll -lgnugetopt"
1252         strip="strip -d"
1253         ;;
1254     darwin)
1255         disable need_memalign
1256         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1257         VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1258         strip="strip -x"
1259         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1260         SLIBSUF=".dylib"
1261         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1262         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1263         FFSERVERLDFLAGS=-Wl,-bind_at_load
1264         objformat="macho"
1265         enabled x86_64 && objformat="macho64"
1266         ;;
1267     mingw32*)
1268         target_os=mingw32
1269         LIBTARGET=i386
1270         if test $arch = x86_64; then
1271             disable need_memalign
1272             LIBTARGET=x64
1273         fi
1274         shlibdir_default="$bindir_default"
1275         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1276         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1277         if enabled swscale; then
1278             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1279             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1280         fi
1281         disable ffserver
1282         SLIBPREF=""
1283         SLIBSUF=".dll"
1284         EXESUF=".exe"
1285         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1286         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1287         SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1288         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1289             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1290         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1291         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1292         objformat="win32"
1293         ;;
1294     cygwin*)
1295         target_os=cygwin
1296         shlibdir_default="$bindir_default"
1297         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1298         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1299         if enabled swscale; then
1300             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1301             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1302         fi
1303         EXESUF=".exe"
1304         SLIBPREF="cyg"
1305         SLIBSUF=".dll"
1306         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1307         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1308         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1309         objformat="win32"
1310         ;;
1311     *-dos|freedos|opendos)
1312         disable ffplay ffserver vhook
1313         disable $INDEV_LIST $OUTDEV_LIST
1314         network_extralibs="-lsocket"
1315         EXESUF=".exe"
1316         objformat="win32"
1317         ;;
1318     linux)
1319         enable dv1394
1320         ;;
1321     irix*)
1322         target_os=irix
1323         ranlib="echo ignoring ranlib"
1324         ;;
1325     os/2*)
1326         strip="lxlite"
1327         ln_s="cp -f"
1328         EXESUF=".exe"
1329         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1330         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1331         FFSERVERLDFLAGS=""
1332         LIBSUF="_s.a"
1333         SLIBPREF=""
1334         SLIBSUF=".dll"
1335         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1336         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1337         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1338           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1339           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1340           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1341           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1342           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1343         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1344           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1345         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1346         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1347         disable vhook
1348         ;;
1349     interix)
1350         disable vhook
1351         ;;
1352
1353     *)
1354         target_os="${target_os}-UNKNOWN"
1355         ;;
1356 esac
1357
1358 set_default $PATHS_LIST
1359
1360 add_extralibs $osextralibs
1361
1362 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1363 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1364
1365 test -n "$cross_prefix" && enable cross_compile
1366
1367 # we need to build at least one lib type
1368 if ! enabled_any static shared; then
1369     cat <<EOF
1370 At least one library type must be built.
1371 Specify --enable-static to build the static libraries or --enable-shared to
1372 build the shared libraries as well. To only build the shared libraries specify
1373 --disable-static in addition to --enable-shared.
1374 EOF
1375     exit 1;
1376 fi
1377
1378 disabled static && LIBNAME=""
1379
1380 if enabled_any libfaad libfaadbin ; then
1381     if check_header faad.h; then
1382         check_cc << EOF
1383 #include <faad.h>
1384 #ifndef FAAD2_VERSION
1385 ok faad1
1386 #endif
1387 int main(void) { return 0; }
1388 EOF
1389         test $? = 0 && enable libfaad2
1390     else
1391         die "FAAD test failed."
1392     fi
1393 fi
1394
1395
1396 if ! enabled gpl; then
1397     die_gpl_disabled(){
1398         name=$1
1399         shift
1400         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1401     }
1402     die_gpl_disabled "The Postprocessing code" postproc
1403     die_gpl_disabled "liba52"                  liba52
1404     die_gpl_disabled "libx264"                 libx264
1405     die_gpl_disabled "libxvidcore"             libxvid
1406     die_gpl_disabled "FAAD2"                   libfaad2
1407     die_gpl_disabled "The X11 grabber"         x11grab
1408     die_gpl_disabled "The software scaler"     swscale
1409 fi
1410
1411 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1412     die "libamr is nonfree and --enable-nonfree is not specified."
1413 fi
1414
1415 check_deps $ARCH_EXT_LIST
1416
1417 test -z "$need_memalign" && need_memalign="$mmx"
1418
1419 #Darwin CC versions
1420 if test $target_os = darwin; then
1421     if $cc -v 2>&1 | grep -q xlc; then
1422         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1423     else
1424         add_cflags "-pipe"
1425         check_cflags "-force_cpusubtype_ALL"
1426         check_cflags "-Wno-sign-compare"
1427         enabled shared || check_cflags -mdynamic-no-pic
1428     fi
1429 fi
1430
1431 disabled optimizations || check_cflags -fomit-frame-pointer
1432
1433 # Add processor-specific flags
1434 if test $cpu != "generic"; then
1435     warn_altivec(){
1436         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1437     }
1438     case $cpu in
1439         601|ppc601|PowerPC601)
1440             add_cflags "-mcpu=601"
1441             warn_altivec enabled PPC601
1442         ;;
1443         603*|ppc603*|PowerPC603*)
1444             add_cflags "-mcpu=603"
1445             warn_altivec enabled PPC603
1446         ;;
1447         604*|ppc604*|PowerPC604*)
1448             add_cflags "-mcpu=604"
1449             warn_altivec enabled PPC604
1450         ;;
1451         G3|g3|75*|ppc75*|PowerPC75*)
1452             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1453             warn_altivec enabled PPC75x
1454         ;;
1455         G4|g4|745*|ppc745*|PowerPC745*)
1456             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1457             warn_altivec disabled PPC745x
1458         ;;
1459         74*|ppc74*|PowerPC74*)
1460             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1461             warn_altivec disabled PPC74xx
1462         ;;
1463         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1464             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1465             warn_altivec disabled PPC970
1466             enable ppc64
1467         ;;
1468         Cell|CELL|cell)
1469             add_cflags "-mcpu=cell"
1470             warn_altivec disabled Cell
1471             enable ppc64
1472         ;;
1473         # targets that do NOT support conditional mov (cmov)
1474         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1475             add_cflags "-march=$cpu"
1476             disable cmov
1477         ;;
1478         # targets that do support conditional mov (cmov)
1479         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1480             add_cflags "-march=$cpu"
1481             enable cmov
1482             enable fast_cmov
1483         ;;
1484         # targets that do support conditional mov but on which it's slow
1485         pentium4|pentium4m|prescott|nocona)
1486             add_cflags "-march=$cpu"
1487             enable cmov
1488             disable fast_cmov
1489         ;;
1490         sparc64)
1491             add_cflags "-mcpu=v9"
1492         ;;
1493         arm*|cortex*)
1494             add_cflags "-mcpu=$cpu"
1495         ;;
1496         *)
1497             echo "WARNING: Unknown CPU \"$cpu\", ignored."
1498         ;;
1499     esac
1500 fi
1501
1502 # make sure we can execute files in $TMPDIR
1503 cat > $TMPSH 2>> $logfile <<EOF
1504 #! /bin/sh
1505 EOF
1506 chmod +x $TMPSH >> $logfile 2>&1
1507 if ! $TMPSH >> $logfile 2>&1; then
1508     cat <<EOF
1509 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1510 variable to another directory and make sure that $TMPDIR1 is not mounted
1511 noexec.
1512 EOF
1513     die "Sanity test failed."
1514 fi
1515 rm $TMPSH
1516
1517 # compiler sanity check
1518 check_exec <<EOF
1519 int main(void){ return 0; }
1520 EOF
1521 if test "$?" != 0; then
1522     echo "$cc is unable to create an executable file."
1523     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1524         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1525         echo "Only do this if you know what cross compiling means."
1526     fi
1527     die "C compiler test failed."
1528 fi
1529
1530 check_cc <<EOF || die "Symbol mangling check failed."
1531 int ff_extern;
1532 EOF
1533 sym=$($nm -P -g $TMPO | grep ff_extern)
1534 extern_prefix=${sym%%ff_extern*}
1535
1536 check_asm inline_asm '""'
1537
1538 if enabled x86; then
1539     # check whether EBP is available on x86
1540     # As 'i' is stored on the stack, this program will crash
1541     # if the base pointer is used to access it because the
1542     # base pointer is cleared in the inline assembly code.
1543     check_exec_crash <<EOF && enable ebp_available
1544     volatile int i=0;
1545     asm volatile (
1546         "xorl %%ebp, %%ebp"
1547     ::: "%ebp");
1548     return i;
1549 EOF
1550
1551     # check wether EBX is available on x86
1552     check_asm ebx_available '"":::"%ebx"'
1553
1554     # check whether binutils is new enough to compile SSSE3/MMX2
1555     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1556     enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1557
1558     check_asm bswap '"bswap %%eax" ::: "%eax"'
1559
1560     YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1561     enabled     x86_64        && append YASMFLAGS "-m amd64"
1562     enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1563     case "$objformat" in
1564         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1565         macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1566         *)                    append YASMFLAGS "-DPREFIX"  ;;
1567     esac
1568     check_yasm "pabsw xmm0, xmm0" && enable yasm
1569 fi
1570
1571 # check for assembler specific support
1572
1573 if test $arch = "powerpc"; then
1574 check_cc <<EOF && enable dcbzl
1575 int main(void) {
1576     register long zero = 0;
1577     char data[1024];
1578     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1579 return 0;
1580 }
1581 EOF
1582 fi
1583
1584 # check for SIMD availability
1585
1586 # AltiVec flags: The FSF version of GCC differs from the Apple version
1587 if enabled altivec; then
1588     check_cflags -maltivec -mabi=altivec &&
1589         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1590         check_cflags -faltivec
1591
1592     # check if our compiler supports Motorola AltiVec C API
1593     check_cc <<EOF || disable altivec
1594 $inc_altivec_h
1595 int main(void) {
1596     vector signed int v1, v2, v3;
1597     v1 = vec_add(v2,v3);
1598     return 0;
1599 }
1600 EOF
1601
1602     # check if our compiler supports braces for vector declarations
1603     check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1604 $inc_altivec_h
1605 int main (void) { (vector int) {1}; return 0; }
1606 EOF
1607 fi
1608
1609 # We have to check if pld is a nop and disable it.
1610 enabled armv4l  && check_asm pld     '"pld [r0]"'
1611 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1612 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1613 enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1614 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1615 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1616 enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1617 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1618
1619 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1620
1621 # ---
1622 # big/little-endian test
1623 check_cc <<EOF || die "endian test failed"
1624 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1625 EOF
1626 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1627
1628 # ---
1629 # check availability of some header files
1630
1631 if check_func dlopen; then
1632     ldl=
1633 elif check_func dlopen -ldl; then
1634     ldl=-ldl
1635 fi
1636
1637 check_func  fork
1638 check_func  gethrtime
1639 check_func  getrusage
1640 check_func  inet_aton $network_extralibs
1641 check_func  memalign
1642 check_func  mkstemp
1643 check_func2 windows.h GetProcessTimes
1644
1645 check_header byteswap.h
1646 check_header conio.h
1647 check_header dlfcn.h
1648 check_header malloc.h
1649 check_header poll.h
1650 check_header sys/mman.h
1651 check_header sys/resource.h
1652 check_header sys/select.h
1653 check_header termios.h
1654
1655 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1656     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1657 fi
1658
1659 enabled  zlib && check_lib  zlib.h      zlibVersion -lz   || disable  zlib
1660 enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1661
1662 # check for some common methods of building with pthread support
1663 # do this before the optional library checks as some of them require pthreads
1664 if enabled pthreads; then
1665     if check_func pthread_create; then
1666         :
1667     elif check_func pthread_create -pthread; then
1668         add_cflags -pthread
1669         add_extralibs -pthread
1670     elif check_func pthread_create -pthreads; then
1671         add_cflags -pthreads
1672         add_extralibs -pthreads
1673     elif check_func pthread_create -lpthreadGC2; then
1674         add_extralibs -lpthreadGC2
1675     elif ! check_lib pthread.h pthread_create -lpthread; then
1676         die "ERROR: can't find pthreads library"
1677     fi
1678 fi
1679
1680 for thread in $THREADS_LIST; do
1681     if enabled $thread; then
1682         test -n "$thread_type" &&
1683             die "ERROR: Only one thread type must be selected." ||
1684             thread_type="$thread"
1685     fi
1686 done
1687
1688 check_lib math.h sin -lm
1689
1690 # test for C99 functions in math.h
1691 for func in llrint lrint lrintf round roundf; do
1692     check_exec <<EOF && enable $func || disable $func
1693 #include <math.h>
1694 int main(void) { return ($func(3.999f) > 0)?0:1; }
1695 EOF
1696 done
1697
1698 # these are off by default, so fail if requested and not available
1699 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1700 enabled liba52     && require  liba52 a52dec/a52.h a52_init -la52
1701 enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1702 enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1703 enabled libdirac   && add_cflags "$(pkg-config --cflags dirac)" \
1704                    && require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder \
1705                    && require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1706 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1707 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1708 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1709 enabled libmp3lame && require  LAME lame/lame.h lame_init -lmp3lame -lm
1710 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1711 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) \
1712                         && require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1713 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1714 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1715 enabled libx264    && require  x264 x264.h x264_encoder_open -lx264 -lm
1716 enabled libxvid    && require  Xvid xvid.h xvid_global -lxvidcore
1717 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1718
1719 # libdc1394 check
1720 if enabled libdc1394; then
1721     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1722         enable libdc1394_2; } ||
1723     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1724         enable libdc1394_1; } ||
1725     die "ERROR: No version of libdc1394 found "
1726 fi
1727
1728
1729 _restrict=
1730 for restrict_keyword in restrict __restrict__ __restrict; do
1731     check_cc <<EOF && _restrict=$restrict_keyword && break
1732 void foo(char * $restrict_keyword p);
1733 EOF
1734 done
1735
1736 test "$vhook" = "default" && vhook="$dlopen"
1737
1738 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1739     disable vhook
1740     echo
1741     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1742     echo "Patches welcome."
1743     echo
1744 fi
1745
1746 if enabled vhook; then
1747     check_ldflags -rdynamic
1748     check_ldflags -export-dynamic
1749 fi
1750
1751 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1752 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1753
1754 ##########################################
1755 # SDL check
1756
1757 disable sdl_too_old
1758 disable sdl
1759 SDL_CONFIG="${cross_prefix}sdl-config"
1760 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1761     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1762     temp_cflags $sdl_cflags
1763     temp_extralibs `"${SDL_CONFIG}" --libs`
1764     if check_lib2 SDL.h SDL_Init; then
1765         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1766         if test "$_sdlversion" -lt 121 ; then
1767             enable sdl_too_old
1768         else
1769             enable sdl
1770             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1771 #include <SDL.h>
1772 int main(int argc, char **argv){
1773     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1774     int w = vi->current_w;
1775     return 0;
1776 }
1777 EOF
1778         fi
1779     fi
1780     restore_flags
1781 fi
1782
1783 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1784
1785 ##########################################
1786 # Network check
1787
1788 if enabled network; then
1789     check_type sys/socket.h socklen_t
1790     # Prefer arpa/inet.h over winsock2
1791     if check_header arpa/inet.h ; then
1792         check_func closesocket
1793     elif check_header winsock2.h ; then
1794         network_extralibs="-lws2_32"
1795         check_type ws2tcpip.h socklen_t
1796         check_func2 winsock2.h closesocket
1797     fi
1798 fi
1799
1800 ##########################################
1801 # IPv6 check
1802
1803 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1804 #include <sys/types.h>
1805 #include <sys/socket.h>
1806 #include <netinet/in.h>
1807 #include <netdb.h>
1808 int main(void) {
1809     struct sockaddr_storage saddr;
1810     struct ipv6_mreq mreq6;
1811     getaddrinfo(0,0,0,0);
1812     getnameinfo(0,0,0,0,0,0,0);
1813     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1814 }
1815 EOF
1816
1817 check_header linux/videodev.h
1818 check_header linux/videodev2.h
1819
1820 check_func2 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1821
1822 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1823 { check_header dev/bktr/ioctl_meteor.h &&
1824   check_header dev/bktr/ioctl_bt848.h; } ||
1825 { check_header machine/ioctl_meteor.h &&
1826   check_header machine/ioctl_bt848.h; } ||
1827 { check_header dev/video/meteor/ioctl_meteor.h &&
1828   check_header dev/video/bktr/ioctl_bt848.h; } ||
1829 check_header dev/ic/bt8xx.h
1830
1831 check_header sys/soundcard.h
1832 check_header soundcard.h
1833
1834 # deal with the X11 frame grabber
1835 enabled x11grab                         &&
1836 check_header X11/Xlib.h                 &&
1837 check_header X11/extensions/XShm.h      &&
1838 check_func XOpenDisplay -lX11           &&
1839 check_func XShmCreateImage -lX11 -lXext
1840
1841 enabled debug && add_cflags -g"$debuglevel"
1842
1843 # add some useful compiler flags if supported
1844 check_cflags -Wdeclaration-after-statement
1845 check_cflags -Wall
1846 check_cflags -Wno-switch
1847 check_cflags -Wdisabled-optimization
1848 check_cflags -Wpointer-arith
1849 check_cflags -Wredundant-decls
1850 check_cflags -Wno-pointer-sign
1851 check_cflags -Wcast-qual
1852 check_cflags -Wwrite-strings
1853 check_cflags -Wtype-limits
1854 enabled extra_warnings && check_cflags -Winline
1855
1856 # add some linker flags
1857 check_ldflags -Wl,--warn-common
1858 check_ldflags -Wl,--as-needed
1859 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'
1860 check_ldflags -Wl,-Bsymbolic
1861
1862 if enabled small; then
1863     check_cflags -Os            # not all compilers support -Os
1864     optimizations="small"
1865 elif enabled optimizations; then
1866     if $cc -v 2>&1 | grep -q xlc; then
1867         add_cflags  "-O5"
1868         add_ldflags "-O5"
1869     else
1870         add_cflags "-O3"
1871     fi
1872 fi
1873 check_cflags -fno-math-errno
1874 check_cflags -fno-signed-zeros
1875
1876 # add some flags for Intel C Compiler
1877 if $cc --version | grep -q Intel; then
1878   # Just warnings, no remarks
1879   check_cflags -w1
1880   # -wd: Disable following warnings
1881   # 144, 167, 556: -Wno-pointer-sign
1882   # 10006: ignoring unknown option -fno-signed-zeros
1883   # 10156: ignoring option '-W'; no argument required
1884   check_cflags -wd144,167,556,10006,10156
1885   # 11030: Warning unknown option --as-needed
1886   # 10156: ignoring option '-export'; no argument required
1887   check_ldflags -wd10156,11030
1888   # Allow to compile with optimizations
1889   check_ldflags -march=$cpu
1890 fi
1891
1892 # PIC flags for shared library objects where they are needed
1893 if enabled shared; then
1894     # LIBOBJFLAGS may have already been set in the OS configuration
1895     if test -z "$LIBOBJFLAGS" ; then
1896         case "$arch" in
1897             x86_64|ia64|alpha|sparc*|power*|parisc*) LIBOBJFLAGS='$(PIC)' ;;
1898         esac
1899     fi
1900 fi
1901
1902 if enabled gprof; then
1903     add_cflags  "-p"
1904     add_ldflags "-p"
1905 fi
1906
1907 VHOOKCFLAGS="-fPIC"
1908
1909 # Find out if the .align argument is a power of two or not.
1910 if test $asmalign_pot = "unknown"; then
1911     disable asmalign_pot
1912     echo 'asm (".align 3");' | check_cc && enable asmalign_pot
1913 fi
1914
1915 enabled_any $DECODER_LIST      && enable decoders
1916 enabled_any $ENCODER_LIST      && enable encoders
1917 enabled_any $BSF_LIST          && enable bsfs
1918 enabled_any $DEMUXER_LIST      && enable demuxers
1919 enabled_any $MUXER_LIST        && enable muxers
1920 enabled_any $FILTER_LIST       && enable filters
1921 enabled_any $INDEV_LIST        && enable demuxers
1922 enabled_any $OUTDEV_LIST       && enable muxers
1923 enabled_any $PROTOCOL_LIST     && enable protocols
1924
1925 enabled_any $THREADS_LIST      && enable threads
1926
1927 check_deps $CONFIG_LIST       \
1928            $HAVE_LIST         \
1929            $DECODER_LIST      \
1930            $ENCODER_LIST      \
1931            $PARSER_LIST       \
1932            $BSF_LIST          \
1933            $DEMUXER_LIST      \
1934            $MUXER_LIST        \
1935            $FILTER_LIST       \
1936            $INDEV_LIST        \
1937            $OUTDEV_LIST       \
1938            $PROTOCOL_LIST     \
1939
1940 enabled libdc1394 && append pkg_requires "libraw1394"
1941 enabled libdirac  && append pkg_requires "dirac"
1942 enabled libtheora && append pkg_requires "theora"
1943 enabled libvorbis && append pkg_requires "vorbisenc"
1944
1945 echo "install prefix            $prefix"
1946 echo "source path               $source_path"
1947 echo "C compiler                $cc"
1948 echo ".align is power-of-two    $asmalign_pot"
1949 echo "ARCH                      $arch ($cpu)"
1950 if test "$build_suffix" != ""; then
1951     echo "build suffix              $build_suffix"
1952 fi
1953 echo "big-endian                ${bigendian-no}"
1954 if test $arch = "x86_32" -o $arch = "x86_64"; then
1955     echo "yasm                      ${yasm-no}"
1956     echo "MMX enabled               ${mmx-no}"
1957     echo "CMOV enabled              ${cmov-no}"
1958     echo "CMOV is fast              ${fast_cmov-no}"
1959     echo "EBX available             ${ebx_available-no}"
1960     echo "EBP available             ${ebp_available-no}"
1961 fi
1962 if test $arch = "armv4l"; then
1963     echo "ARMv5TE enabled           ${armv5te-no}"
1964     echo "ARMv6 enabled             ${armv6-no}"
1965     echo "ARM VFP enabled           ${armvfp-no}"
1966     echo "IWMMXT enabled            ${iwmmxt-no}"
1967     echo "NEON enabled              ${neon-no}"
1968 fi
1969 if test $arch = "mips"; then
1970     echo "MMI enabled               ${mmi-no}"
1971 fi
1972 if test $arch = "powerpc"; then
1973     echo "AltiVec enabled           ${altivec-no}"
1974     echo "dcbzl available           ${dcbzl-no}"
1975 fi
1976 echo "gprof enabled             ${gprof-no}"
1977 echo "debug symbols             ${debug-no}"
1978 echo "strip symbols             ${stripping-no}"
1979 echo "optimizations             ${optimizations-no}"
1980 echo "static                    ${static-no}"
1981 echo "shared                    ${shared-no}"
1982 echo "postprocessing support    ${postproc-no}"
1983 echo "software scaler enabled   ${swscale-no}"
1984 echo "new filter support        ${avfilter-no}"
1985 echo "filters using lavformat   ${avfilter_lavf-no}"
1986 echo "video hooking             ${vhook-no}"
1987 if enabled vhook; then
1988     echo "Imlib2 support            ${imlib2-no}"
1989     echo "FreeType support          ${freetype2-no}"
1990 fi
1991 echo "network support           ${network-no}"
1992 if enabled network; then
1993     echo "IPv6 support              ${ipv6-no}"
1994 fi
1995 echo "threading support         ${thread_type-no}"
1996 echo "SDL support               ${sdl-no}"
1997 if enabled sdl_too_old; then
1998     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1999 fi
2000 echo "Sun medialib support      ${mlib-no}"
2001 echo "AVISynth enabled          ${avisynth-no}"
2002 echo "liba52 support            ${liba52-no}"
2003 echo "liba52 dlopened           ${liba52bin-no}"
2004 echo "libamr-nb support         ${libamr_nb-no}"
2005 echo "libamr-wb support         ${libamr_wb-no}"
2006 echo "libdc1394 support         ${libdc1394-no}"
2007 echo "libdirac enabled          ${libdirac-no}"
2008 echo "libfaac enabled           ${libfaac-no}"
2009 echo "libfaad enabled           ${libfaad-no}"
2010 echo "libfaad dlopened          ${libfaadbin-no}"
2011 echo "libgsm enabled            ${libgsm-no}"
2012 echo "libmp3lame enabled        ${libmp3lame-no}"
2013 echo "libnut enabled            ${libnut-no}"
2014 echo "libschroedinger enabled   ${libschroedinger-no}"
2015 echo "libtheora enabled         ${libtheora-no}"
2016 echo "libvorbis enabled         ${libvorbis-no}"
2017 echo "libx264 enabled           ${libx264-no}"
2018 echo "libxvid enabled           ${libxvid-no}"
2019 echo "zlib enabled              ${zlib-no}"
2020 echo "bzlib enabled             ${bzlib-no}"
2021 echo
2022
2023 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2024     echo "Enabled ${type}s:"
2025     eval list=\$$(toupper $type)_LIST
2026     for part in $list; do
2027         enabled $part && echo ${part%_*}
2028     done | sort | pr -3 -t
2029     echo
2030 done
2031
2032 license="LGPL"
2033 if enabled nonfree; then
2034     license="unredistributable"
2035 elif enabled gpl; then
2036     license="GPL"
2037 fi
2038
2039 echo "License: $license"
2040
2041 echo "Creating config.mak and config.h..."
2042
2043 echo "# Automatically generated by configure - do not modify!" > config.mak
2044 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2045 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2046 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2047 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2048
2049 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2050 echo "prefix=$prefix" >> config.mak
2051 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2052 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2053 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2054 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2055 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2056 echo "CC=$cc" >> config.mak
2057 echo "YASM=$yasmexe" >> config.mak
2058 echo "AR=$ar" >> config.mak
2059 echo "RANLIB=$ranlib" >> config.mak
2060 echo "LN_S=$ln_s" >> config.mak
2061 enabled stripping &&
2062     echo "STRIP=$strip" >> config.mak ||
2063     echo "STRIP=echo ignoring strip" >> config.mak
2064
2065 echo "OPTFLAGS=$CFLAGS" >> config.mak
2066 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2067 echo "LDFLAGS=$LDFLAGS" >> config.mak
2068 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2069 echo "SHFLAGS=$SHFLAGS" >> config.mak
2070 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2071 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2072 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2073 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2074 echo "BUILD_STATIC=$static" >> config.mak
2075 echo "BUILDSUF=$build_suffix" >> config.mak
2076 echo "FULLNAME=$FULLNAME" >> config.mak
2077 echo "LIBPREF=$LIBPREF" >> config.mak
2078 echo "LIBSUF=$LIBSUF" >> config.mak
2079 echo "LIBNAME=$LIBNAME" >> config.mak
2080 echo "SLIBPREF=$SLIBPREF" >> config.mak
2081 echo "SLIBSUF=$SLIBSUF" >> config.mak
2082 echo "EXESUF=$EXESUF" >> config.mak
2083 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2084
2085 if enabled bigendian; then
2086     echo "WORDS_BIGENDIAN=yes" >> config.mak
2087     echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2088 fi
2089
2090 if enabled sdl; then
2091     echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2092     echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2093 fi
2094 if enabled texi2html; then
2095     echo "BUILD_DOC=yes" >> config.mak
2096 fi
2097
2098 get_version(){
2099     name=$1
2100     file=$source_path/$2
2101     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2102     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2103     lcname=$(tolower $name)
2104     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2105     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2106 }
2107
2108 get_version LIBSWSCALE  libswscale/swscale.h
2109 get_version LIBPOSTPROC libpostproc/postprocess.h
2110 get_version LIBAVCODEC  libavcodec/avcodec.h
2111 get_version LIBAVDEVICE libavdevice/avdevice.h
2112 get_version LIBAVFORMAT libavformat/avformat.h
2113 get_version LIBAVUTIL   libavutil/avutil.h
2114 get_version LIBAVFILTER libavfilter/avfilter.h
2115
2116 if enabled shared; then
2117     echo "BUILD_SHARED=yes" >> config.mak
2118     echo "PIC=-fPIC -DPIC" >> config.mak
2119     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2120     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2121     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2122     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2123     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2124     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2125     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2126     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2127 fi
2128 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2129 echo "EXTRALIBS=$extralibs" >> config.mak
2130
2131 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2132 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2133 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2134                                       $DECODER_LIST      \
2135                                       $ENCODER_LIST      \
2136                                       $PARSER_LIST       \
2137                                       $BSF_LIST          \
2138                                       $DEMUXER_LIST      \
2139                                       $MUXER_LIST        \
2140                                       $FILTER_LIST       \
2141                                       $PROTOCOL_LIST     \
2142                                       $INDEV_LIST        \
2143                                       $OUTDEV_LIST       \
2144
2145 echo "#define restrict $_restrict" >> $TMPH
2146
2147 if enabled small; then
2148     echo "#define av_always_inline"  >> $TMPH
2149 fi
2150
2151 echo "SRC_PATH=\"$source_path\"" >> config.mak
2152 echo "SRC_PATH_BARE=$source_path" >> config.mak
2153 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2154
2155 # Apparently it's not possible to portably echo a backslash.
2156 enabled asmalign_pot &&
2157     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2158     printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2159
2160 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2161
2162 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2163
2164 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2165 cmp -s $TMPH config.h &&
2166     echo "config.h is unchanged" ||
2167     mv -f $TMPH config.h
2168
2169 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2170
2171 # build tree in object directory if source path is different from current one
2172 if enabled source_path_used; then
2173     DIRS="\
2174         doc               \
2175         libavcodec        \
2176         libavcodec/alpha  \
2177         libavcodec/armv4l \
2178         libavcodec/bfin   \
2179         libavcodec/i386   \
2180         libavcodec/mlib   \
2181         libavcodec/ppc    \
2182         libavcodec/sh4    \
2183         libavcodec/sparc  \
2184         libavdevice       \
2185         libavfilter       \
2186         libavformat       \
2187         libavutil         \
2188         libpostproc       \
2189         libswscale        \
2190         tests             \
2191         tools             \
2192         vhook             \
2193         "
2194     FILES="\
2195         Makefile             \
2196         common.mak           \
2197         subdir.mak           \
2198         doc/texi2pod.pl      \
2199         libavcodec/Makefile  \
2200         libavdevice/Makefile \
2201         libavfilter/Makefile \
2202         libavformat/Makefile \
2203         libavutil/Makefile   \
2204         libpostproc/Makefile \
2205         libswscale/Makefile  \
2206         "
2207     for dir in $DIRS ; do
2208         mkdir -p $dir
2209     done
2210     for f in $FILES ; do
2211         $ln_s "$source_path/$f" $f
2212     done
2213 fi
2214
2215
2216 # build pkg-config files
2217
2218 pkgconfig_generate(){
2219 name=$1
2220 shortname=${name#lib}
2221 comment=$2
2222 version=$3
2223 libs=$4
2224 requires=$5
2225 cat <<EOF > $name/$name.pc
2226 prefix=$prefix
2227 exec_prefix=\${prefix}
2228 libdir=$libdir
2229 includedir=$incdir
2230
2231 Name: $name
2232 Description: $comment
2233 Version: $version
2234 Requires: $(disabled shared && echo $requires)
2235 Requires.private: $(enabled shared && echo $requires)
2236 Conflicts:
2237 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2238 Libs.private: $(enabled shared && echo $libs)
2239 Cflags: -I\${includedir}
2240 EOF
2241 cat <<EOF > $name/$name-uninstalled.pc
2242 prefix=
2243 exec_prefix=
2244 libdir=\${pcfiledir}
2245 includedir=\${pcfiledir}/..
2246
2247 Name: $name
2248 Description: $comment
2249 Version: $version
2250 Requires: $requires
2251 Conflicts:
2252 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2253 Cflags: -I\${includedir}
2254 EOF
2255 }
2256
2257 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2258 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2259 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2260 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2261 enabled avfilter &&
2262     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2263 enabled postproc &&
2264     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2265 if enabled swscale; then
2266     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2267 else
2268     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2269     apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2270 fi