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 SHFLAGS='-shared -Wl,-soname,$$(@F)'
 978 VHOOKSHFLAGS='$(SHFLAGS)'
 979 FFSERVERLDFLAGS=-Wl,-E
 980 LIBPREF="lib"
 981 LIBSUF=".a"
 982 FULLNAME='$(NAME)$(BUILDSUF)'
 983 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
 984 SLIBPREF="lib"
 985 SLIBSUF=".so"
 986 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
 987 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
 988 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
 989 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
 990
 991 # gcc stupidly only outputs the basename of targets with -MM
 992 DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "1s,^,$(@D)/," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
 993
 994 # find source path
 995 source_path="`dirname \"$0\"`"
 996 enable source_path_used
 997 if test -z "$source_path" -o "$source_path" = "." ; then
 998     source_path="`pwd`"
 999     disable source_path_used
1000 else
1001     source_path="`cd \"$source_path\"; pwd`"
1002     echo "$source_path" | grep -q '[[:blank:]]' &&
1003         die "Out of tree builds are impossible with whitespace in source path."
1004 fi
1005
1006 FFMPEG_CONFIGURATION="$@"
1007
1008 find_things(){
1009     thing=$1
1010     pattern=$2
1011     file=$source_path/$3
1012     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1013 }
1014
1015 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1016 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1017 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1018 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1019 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1020 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1021 OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1022 INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1023 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1024 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1025
1026 enable $ARCH_EXT_LIST \
1027        $DECODER_LIST \
1028        $ENCODER_LIST \
1029        $PARSER_LIST \
1030        $BSF_LIST \
1031        $DEMUXER_LIST \
1032        $MUXER_LIST \
1033        $FILTER_LIST \
1034        $PROTOCOL_LIST \
1035        $INDEV_LIST \
1036        $OUTDEV_LIST \
1037
1038 die_unknown(){
1039     echo "Unknown option \"$1\"."
1040     echo "See $0 --help for available options."
1041     exit 1
1042 }
1043
1044 show_list() {
1045     suffix=_$1
1046     shift
1047     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1048     exit 0
1049 }
1050
1051 for opt do
1052     optval="${opt#*=}"
1053     case "$opt" in
1054     --extra-cflags=*) add_cflags "$optval"
1055     ;;
1056     --extra-ldflags=*) add_ldflags "$optval"
1057     ;;
1058     --extra-libs=*) add_extralibs "$optval"
1059     ;;
1060     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1061     ;;
1062     --enable-debug=*) debuglevel="$optval"
1063     ;;
1064     --enable-*=*|--disable-*=*)
1065     eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1066     case "$thing" in
1067         encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1068         *) die_unknown "$opt" ;;
1069     esac
1070     ;;
1071     --enable-?*|--disable-?*)
1072     eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1073     if is_in $option $COMPONENT_LIST; then
1074         eval $action \$$(toupper ${option%s})_LIST
1075     elif is_in $option $CMDLINE_SELECT; then
1076         $action $option
1077     else
1078         die_unknown $opt
1079     fi
1080     ;;
1081     --list-*)
1082         NAME="${opt#--list-}"
1083         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1084         NAME=${NAME%s}
1085         eval show_list $NAME \$$(toupper $NAME)_LIST
1086     ;;
1087     --help|-h) show_help
1088     ;;
1089     *)
1090     optname="${opt%=*}"
1091     optname="${optname#--}"
1092     optname=$(echo "$optname" | sed 's/-/_/g')
1093     is_in $optname $CMDLINE_SET || die_unknown $opt
1094     eval $optname='$optval'
1095     ;;
1096     esac
1097 done
1098
1099 disabled logging && logfile=/dev/null
1100
1101 echo "# $0 $@" > $logfile
1102 set >> $logfile
1103
1104 cc="${cross_prefix}${cc}"
1105 yasmexe="${cross_prefix}${yasmexe}"
1106 ar="${cross_prefix}${ar}"
1107 nm="${cross_prefix}${nm}"
1108 ranlib="${cross_prefix}${ranlib}"
1109 strip="${cross_prefix}${strip}"
1110
1111 # set temporary file name
1112 if test ! -z "$TMPDIR" ; then
1113     TMPDIR1="${TMPDIR}"
1114 elif test ! -z "$TEMPDIR" ; then
1115     TMPDIR1="${TEMPDIR}"
1116 else
1117     TMPDIR1="/tmp"
1118 fi
1119
1120 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1121 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1122 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1123 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1124 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1125 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1126
1127 case "$arch" in
1128     i386|i486|i586|i686|i86pc|BePC)
1129         arch="x86_32"
1130         enable fast_unaligned
1131     ;;
1132     x86_64|amd64)
1133         arch="x86_32"
1134         enable fast_unaligned
1135         check_cc <<EOF && enable fast_64bit && arch="x86_64"
1136         int test[sizeof(char*) - 7];
1137 EOF
1138     ;;
1139     # armv4l is a subset of armv[567]*l
1140     arm|armv[4567]*l)
1141         arch="armv4l"
1142     ;;
1143     alpha)
1144         arch="alpha"
1145         enable fast_64bit
1146     ;;
1147     "Power Macintosh"|ppc|powerpc)
1148         arch="powerpc"
1149     ;;
1150     ppc64)
1151         arch="powerpc"
1152         enable fast_64bit
1153     ;;
1154     mips|mipsel|IP*)
1155         arch="mips"
1156     ;;
1157     sun4u|sparc64)
1158         arch="sparc64"
1159         enable fast_64bit
1160     ;;
1161     sparc)
1162         arch="sparc"
1163     ;;
1164     sh4)
1165         arch="sh4"
1166     ;;
1167     parisc)
1168         arch="parisc"
1169     ;;
1170     parisc64)
1171         arch="parisc"
1172         enable fast_64bit
1173     ;;
1174     s390|s390x)
1175         arch="s390"
1176     ;;
1177     m68k)
1178         arch="m68k"
1179     ;;
1180     ia64)
1181         arch="ia64"
1182         enable fast_64bit
1183     ;;
1184     bfin)
1185         arch="bfin"
1186     ;;
1187     *)
1188         arch="unknown"
1189     ;;
1190 esac
1191
1192 enable $arch
1193 enabled_any x86_32 x86_64 && enable x86
1194 enabled     sparc64       && enable sparc
1195
1196 # OS specific
1197 case $target_os in
1198     beos|haiku|zeta)
1199         prefix_default="$HOME/config"
1200         # helps building libavcodec
1201         add_cflags "-DPIC -fomit-frame-pointer"
1202         # 3 gcc releases known for BeOS, each with ugly bugs
1203         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1204         case "$gcc_version" in
1205           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1206             disable mmx
1207             ;;
1208           *20010315*) echo "BeBits gcc"
1209             add_cflags "-fno-expensive-optimizations"
1210             ;;
1211         esac
1212         SHFLAGS=-nostart
1213         # enable BeOS things
1214         enable audio_beos
1215         # no need for libm, but the inet stuff
1216         # Check for BONE
1217         # XXX: actually should check for NOT net_server
1218         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1219             network_extralibs="-lbind -lsocket"
1220         else
1221             enable beos_netserver
1222             network_extralibs="-lnet"
1223         fi ;;
1224     sunos)
1225         FFSERVERLDFLAGS=""
1226         SHFLAGS='-shared -Wl,-h,$$(@F)'
1227         network_extralibs="-lsocket -lnsl"
1228         ;;
1229     netbsd)
1230         oss_demuxer_extralibs="-lossaudio"
1231         oss_muxer_extralibs="-lossaudio"
1232         ;;
1233     openbsd)
1234         disable need_memalign
1235         LIBOBJFLAGS='$(PIC)'
1236         SHFLAGS='-shared'
1237         SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1238         SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1239         SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1240         oss_demuxer_extralibs="-lossaudio"
1241         oss_muxer_extralibs="-lossaudio"
1242         ;;
1243     freebsd)
1244         disable need_memalign
1245         ;;
1246     bsd/os)
1247         osextralibs="-lpoll -lgnugetopt"
1248         strip="strip -d"
1249         ;;
1250     darwin)
1251         disable need_memalign
1252         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1253         VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1254         strip="strip -x"
1255         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1256         SLIBSUF=".dylib"
1257         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1258         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1259         FFSERVERLDFLAGS=-Wl,-bind_at_load
1260         objformat="macho"
1261         ;;
1262     mingw32*)
1263         target_os=mingw32
1264         LIBTARGET=i386
1265         if test $arch = x86_64; then
1266             disable need_memalign
1267             LIBTARGET=x64
1268         fi
1269         shlibdir_default="$bindir_default"
1270         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1271         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1272         if enabled swscale; then
1273             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1274             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1275         fi
1276         disable ffserver
1277         SLIBPREF=""
1278         SLIBSUF=".dll"
1279         EXESUF=".exe"
1280         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1281         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1282         SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1283         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1284             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1285         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1286         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1287         objformat="win32"
1288         ;;
1289     cygwin*)
1290         target_os=cygwin
1291         shlibdir_default="$bindir_default"
1292         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1293         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1294         if enabled swscale; then
1295             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1296             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1297         fi
1298         EXESUF=".exe"
1299         SLIBPREF="cyg"
1300         SLIBSUF=".dll"
1301         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1302         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1303         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1304         objformat="win32"
1305         ;;
1306     *-dos|freedos|opendos)
1307         disable ffplay ffserver vhook
1308         disable $INDEV_LIST $OUTDEV_LIST
1309         network_extralibs="-lsocket"
1310         EXESUF=".exe"
1311         objformat="win32"
1312         ;;
1313     linux)
1314         enable dv1394
1315         ;;
1316     irix*)
1317         target_os=irix
1318         ranlib="echo ignoring ranlib"
1319         ;;
1320     os/2*)
1321         strip="lxlite"
1322         ln_s="cp -f"
1323         EXESUF=".exe"
1324         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1325         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1326         FFSERVERLDFLAGS=""
1327         LIBSUF="_s.a"
1328         SLIBPREF=""
1329         SLIBSUF=".dll"
1330         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1331         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1332         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1333           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1334           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1335           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1336           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1337           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1338         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1339           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1340         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1341         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1342         disable vhook
1343         ;;
1344     interix)
1345         disable vhook
1346         ;;
1347
1348     *)
1349         target_os="${target_os}-UNKNOWN"
1350         ;;
1351 esac
1352
1353 set_default $PATHS_LIST
1354
1355 add_extralibs $osextralibs
1356
1357 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1358 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1359
1360 test -n "$cross_prefix" && enable cross_compile
1361
1362 # we need to build at least one lib type
1363 if ! enabled_any static shared; then
1364     cat <<EOF
1365 At least one library type must be built.
1366 Specify --enable-static to build the static libraries or --enable-shared to
1367 build the shared libraries as well. To only build the shared libraries specify
1368 --disable-static in addition to --enable-shared.
1369 EOF
1370     exit 1;
1371 fi
1372
1373 disabled static && LIBNAME=""
1374
1375 if enabled_any libfaad libfaadbin ; then
1376     if check_header faad.h; then
1377         check_cc << EOF
1378 #include <faad.h>
1379 #ifndef FAAD2_VERSION
1380 ok faad1
1381 #endif
1382 int main(void) { return 0; }
1383 EOF
1384         test $? = 0 && enable libfaad2
1385     else
1386         die "FAAD test failed."
1387     fi
1388 fi
1389
1390
1391 if ! enabled gpl; then
1392     die_gpl_disabled(){
1393         name=$1
1394         shift
1395         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1396     }
1397     die_gpl_disabled "The Postprocessing code" postproc
1398     die_gpl_disabled "liba52"                  liba52
1399     die_gpl_disabled "libx264"                 libx264
1400     die_gpl_disabled "libxvidcore"             libxvid
1401     die_gpl_disabled "FAAD2"                   libfaad2
1402     die_gpl_disabled "The X11 grabber"         x11grab
1403     die_gpl_disabled "The software scaler"     swscale
1404 fi
1405
1406 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1407     die "libamr is nonfree and --enable-nonfree is not specified."
1408 fi
1409
1410 check_deps $ARCH_EXT_LIST
1411
1412 test -z "$need_memalign" && need_memalign="$mmx"
1413
1414 #Darwin CC versions
1415 if test $target_os = darwin; then
1416     if $cc -v 2>&1 | grep -q xlc; then
1417         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1418     else
1419         add_cflags "-pipe"
1420         check_cflags "-force_cpusubtype_ALL"
1421         check_cflags "-Wno-sign-compare"
1422         enabled shared || check_cflags -mdynamic-no-pic
1423     fi
1424 fi
1425
1426 disabled optimizations || check_cflags -fomit-frame-pointer
1427
1428 # Add processor-specific flags
1429 if test $cpu != "generic"; then
1430     warn_altivec(){
1431         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1432     }
1433     case $cpu in
1434         601|ppc601|PowerPC601)
1435             add_cflags "-mcpu=601"
1436             warn_altivec enabled PPC601
1437         ;;
1438         603*|ppc603*|PowerPC603*)
1439             add_cflags "-mcpu=603"
1440             warn_altivec enabled PPC603
1441         ;;
1442         604*|ppc604*|PowerPC604*)
1443             add_cflags "-mcpu=604"
1444             warn_altivec enabled PPC604
1445         ;;
1446         G3|g3|75*|ppc75*|PowerPC75*)
1447             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1448             warn_altivec enabled PPC75x
1449         ;;
1450         G4|g4|745*|ppc745*|PowerPC745*)
1451             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1452             warn_altivec disabled PPC745x
1453         ;;
1454         74*|ppc74*|PowerPC74*)
1455             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1456             warn_altivec disabled PPC74xx
1457         ;;
1458         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1459             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1460             warn_altivec disabled PPC970
1461             enable ppc64
1462         ;;
1463         Cell|CELL|cell)
1464             add_cflags "-mcpu=cell"
1465             warn_altivec disabled Cell
1466             enable ppc64
1467         ;;
1468         # targets that do NOT support conditional mov (cmov)
1469         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1470             add_cflags "-march=$cpu"
1471             disable cmov
1472         ;;
1473         # targets that do support conditional mov (cmov)
1474         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1475             add_cflags "-march=$cpu"
1476             enable cmov
1477             enable fast_cmov
1478         ;;
1479         # targets that do support conditional mov but on which it's slow
1480         pentium4|pentium4m|prescott|nocona)
1481             add_cflags "-march=$cpu"
1482             enable cmov
1483             disable fast_cmov
1484         ;;
1485         sparc64)
1486             add_cflags "-mcpu=v9"
1487         ;;
1488         arm*|cortex*)
1489             add_cflags "-mcpu=$cpu"
1490         ;;
1491         *)
1492             echo "WARNING: Unknown CPU \"$cpu\", ignored."
1493         ;;
1494     esac
1495 fi
1496
1497 # make sure we can execute files in $TMPDIR
1498 cat > $TMPSH 2>> $logfile <<EOF
1499 #! /bin/sh
1500 EOF
1501 chmod +x $TMPSH >> $logfile 2>&1
1502 if ! $TMPSH >> $logfile 2>&1; then
1503     cat <<EOF
1504 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1505 variable to another directory and make sure that $TMPDIR1 is not mounted
1506 noexec.
1507 EOF
1508     die "Sanity test failed."
1509 fi
1510 rm $TMPSH
1511
1512 # compiler sanity check
1513 check_exec <<EOF
1514 int main(void){ return 0; }
1515 EOF
1516 if test "$?" != 0; then
1517     echo "$cc is unable to create an executable file."
1518     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1519         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1520         echo "Only do this if you know what cross compiling means."
1521     fi
1522     die "C compiler test failed."
1523 fi
1524
1525 check_cc <<EOF || die "Symbol mangling check failed."
1526 int ff_extern;
1527 EOF
1528 sym=$($nm -P -g $TMPO | grep ff_extern)
1529 extern_prefix=${sym%%ff_extern*}
1530
1531 check_asm inline_asm '""'
1532
1533 if enabled x86; then
1534     # check whether EBP is available on x86
1535     # As 'i' is stored on the stack, this program will crash
1536     # if the base pointer is used to access it because the
1537     # base pointer is cleared in the inline assembly code.
1538     check_exec_crash <<EOF && enable ebp_available
1539     volatile int i=0;
1540     asm volatile (
1541         "xorl %%ebp, %%ebp"
1542     ::: "%ebp");
1543     return i;
1544 EOF
1545
1546     # check wether EBX is available on x86
1547     check_asm ebx_available '"":::"%ebx"'
1548
1549     # check whether binutils is new enough to compile SSSE3/MMX2
1550     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1551     enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1552
1553     check_asm bswap '"bswap %%eax" ::: "%eax"'
1554
1555     YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1556     enabled     x86_64        && append YASMFLAGS "-m amd64"
1557     enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1558     case "$objformat" in
1559         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1560         *)                    append YASMFLAGS "-DPREFIX"  ;;
1561     esac
1562     check_yasm "pabsw xmm0, xmm0" && enable yasm
1563 fi
1564
1565 # check for assembler specific support
1566
1567 if test $arch = "powerpc"; then
1568 check_cc <<EOF && enable dcbzl
1569 int main(void) {
1570     register long zero = 0;
1571     char data[1024];
1572     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1573 return 0;
1574 }
1575 EOF
1576 fi
1577
1578 # check for SIMD availability
1579
1580 # AltiVec flags: The FSF version of GCC differs from the Apple version
1581 if enabled altivec; then
1582     check_cflags -maltivec -mabi=altivec &&
1583         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1584         check_cflags -faltivec
1585
1586     # check if our compiler supports Motorola AltiVec C API
1587     check_cc <<EOF || disable altivec
1588 $inc_altivec_h
1589 int main(void) {
1590     vector signed int v1, v2, v3;
1591     v1 = vec_add(v2,v3);
1592     return 0;
1593 }
1594 EOF
1595
1596     # check if our compiler supports braces for vector declarations
1597     check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1598 $inc_altivec_h
1599 int main (void) { (vector int) {1}; return 0; }
1600 EOF
1601 fi
1602
1603 # We have to check if pld is a nop and disable it.
1604 enabled armv4l  && check_asm pld     '"pld [r0]"'
1605 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1606 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1607 enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1608 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1609 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1610 enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1611 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1612
1613 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1614
1615 # ---
1616 # big/little-endian test
1617 check_cc <<EOF || die "endian test failed"
1618 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1619 EOF
1620 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1621
1622 # ---
1623 # check availability of some header files
1624
1625 if check_func dlopen; then
1626     ldl=
1627 elif check_func dlopen -ldl; then
1628     ldl=-ldl
1629 fi
1630
1631 check_func  fork
1632 check_func  gethrtime
1633 check_func  getrusage
1634 check_func  inet_aton $network_extralibs
1635 check_func  memalign
1636 check_func  mkstemp
1637 check_func2 windows.h GetProcessTimes
1638
1639 check_header byteswap.h
1640 check_header conio.h
1641 check_header dlfcn.h
1642 check_header malloc.h
1643 check_header sys/mman.h
1644 check_header sys/resource.h
1645 check_header termios.h
1646
1647 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1648     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1649 fi
1650
1651 enabled  zlib && check_lib  zlib.h      zlibVersion -lz   || disable  zlib
1652 enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1653
1654 # ffserver uses poll(),
1655 # if it's not found we can emulate it using select().
1656 if enabled ffserver; then
1657     check_header poll.h
1658     check_header sys/select.h
1659 fi
1660
1661 # check for some common methods of building with pthread support
1662 # do this before the optional library checks as some of them require pthreads
1663 if enabled pthreads; then
1664     if check_func pthread_create; then
1665         :
1666     elif check_func pthread_create -pthread; then
1667         add_cflags -pthread
1668         add_extralibs -pthread
1669     elif check_func pthread_create -pthreads; then
1670         add_cflags -pthreads
1671         add_extralibs -pthreads
1672     elif check_func pthread_create -lpthreadGC2; then
1673         add_extralibs -lpthreadGC2
1674     elif ! check_lib pthread.h pthread_create -lpthread; then
1675         die "ERROR: can't find pthreads library"
1676     fi
1677 fi
1678
1679 for thread in $THREADS_LIST; do
1680     if enabled $thread; then
1681         test -n "$thread_type" &&
1682             die "ERROR: Only one thread type must be selected." ||
1683             thread_type="$thread"
1684     fi
1685 done
1686
1687 check_lib math.h sin -lm
1688
1689 # test for C99 functions in math.h
1690 for func in llrint lrint lrintf round roundf; do
1691     check_exec <<EOF && enable $func || disable $func
1692 #define _ISOC9X_SOURCE  1
1693 #include <math.h>
1694 int main(void) { return ($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 "MMX enabled               ${mmx-no}"
1956     echo "CMOV enabled              ${cmov-no}"
1957     echo "CMOV is fast              ${fast_cmov-no}"
1958     echo "EBX available             ${ebx_available-no}"
1959     echo "EBP available             ${ebp_available-no}"
1960 fi
1961 if test $arch = "armv4l"; then
1962     echo "ARMv5TE enabled           ${armv5te-no}"
1963     echo "ARMv6 enabled             ${armv6-no}"
1964     echo "ARM VFP enabled           ${armvfp-no}"
1965     echo "IWMMXT enabled            ${iwmmxt-no}"
1966     echo "NEON enabled              ${neon-no}"
1967 fi
1968 if test $arch = "mips"; then
1969     echo "MMI enabled               ${mmi-no}"
1970 fi
1971 if test $arch = "powerpc"; then
1972     echo "AltiVec enabled           ${altivec-no}"
1973     echo "dcbzl available           ${dcbzl-no}"
1974 fi
1975 echo "gprof enabled             ${gprof-no}"
1976 echo "debug symbols             ${debug-no}"
1977 echo "strip symbols             ${stripping-no}"
1978 echo "optimizations             ${optimizations-no}"
1979 echo "static                    ${static-no}"
1980 echo "shared                    ${shared-no}"
1981 echo "postprocessing support    ${postproc-no}"
1982 echo "software scaler enabled   ${swscale-no}"
1983 echo "new filter support        ${avfilter-no}"
1984 echo "filters using lavformat   ${avfilter_lavf-no}"
1985 echo "video hooking             ${vhook-no}"
1986 if enabled vhook; then
1987     echo "Imlib2 support            ${imlib2-no}"
1988     echo "FreeType support          ${freetype2-no}"
1989 fi
1990 echo "network support           ${network-no}"
1991 if enabled network; then
1992     echo "IPv6 support              ${ipv6-no}"
1993 fi
1994 echo "threading support         ${thread_type-no}"
1995 echo "SDL support               ${sdl-no}"
1996 if enabled sdl_too_old; then
1997     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1998 fi
1999 echo "Sun medialib support      ${mlib-no}"
2000 echo "AVISynth enabled          ${avisynth-no}"
2001 echo "liba52 support            ${liba52-no}"
2002 echo "liba52 dlopened           ${liba52bin-no}"
2003 echo "libamr-nb support         ${libamr_nb-no}"
2004 echo "libamr-wb support         ${libamr_wb-no}"
2005 echo "libdc1394 support         ${libdc1394-no}"
2006 echo "libdirac enabled          ${libdirac-no}"
2007 echo "libfaac enabled           ${libfaac-no}"
2008 echo "libfaad enabled           ${libfaad-no}"
2009 echo "libfaad dlopened          ${libfaadbin-no}"
2010 echo "libgsm enabled            ${libgsm-no}"
2011 echo "libmp3lame enabled        ${libmp3lame-no}"
2012 echo "libnut enabled            ${libnut-no}"
2013 echo "libschroedinger enabled   ${libschroedinger-no}"
2014 echo "libtheora enabled         ${libtheora-no}"
2015 echo "libvorbis enabled         ${libvorbis-no}"
2016 echo "libx264 enabled           ${libx264-no}"
2017 echo "libxvid enabled           ${libxvid-no}"
2018 echo "zlib enabled              ${zlib-no}"
2019 echo "bzlib enabled             ${bzlib-no}"
2020 echo
2021
2022 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2023     echo "Enabled ${type}s:"
2024     eval list=\$$(toupper $type)_LIST
2025     for part in $list; do
2026         enabled $part && echo ${part%_*}
2027     done | sort | pr -3 -t
2028     echo
2029 done
2030
2031 license="LGPL"
2032 if enabled nonfree; then
2033     license="unredistributable"
2034 elif enabled gpl; then
2035     license="GPL"
2036 fi
2037
2038 echo "License: $license"
2039
2040 echo "Creating config.mak and config.h..."
2041
2042 echo "# Automatically generated by configure - do not modify!" > config.mak
2043 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2044 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2045 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2046 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2047
2048 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2049 echo "prefix=$prefix" >> config.mak
2050 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2051 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2052 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2053 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2054 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2055 echo "CC=$cc" >> config.mak
2056 echo "YASM=$yasmexe" >> config.mak
2057 echo "AR=$ar" >> config.mak
2058 echo "RANLIB=$ranlib" >> config.mak
2059 echo "LN_S=$ln_s" >> config.mak
2060 enabled stripping &&
2061     echo "STRIP=$strip" >> config.mak ||
2062     echo "STRIP=echo ignoring strip" >> config.mak
2063
2064 echo "OPTFLAGS=$CFLAGS" >> config.mak
2065 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2066 echo "LDFLAGS=$LDFLAGS" >> config.mak
2067 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2068 echo "SHFLAGS=$SHFLAGS" >> config.mak
2069 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2070 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2071 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2072 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2073 echo "BUILD_STATIC=$static" >> config.mak
2074 echo "BUILDSUF=$build_suffix" >> config.mak
2075 echo "FULLNAME=$FULLNAME" >> config.mak
2076 echo "LIBPREF=$LIBPREF" >> config.mak
2077 echo "LIBSUF=$LIBSUF" >> config.mak
2078 echo "LIBNAME=$LIBNAME" >> config.mak
2079 echo "SLIBPREF=$SLIBPREF" >> config.mak
2080 echo "SLIBSUF=$SLIBSUF" >> config.mak
2081 echo "EXESUF=$EXESUF" >> config.mak
2082 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2083
2084 if enabled bigendian; then
2085     echo "WORDS_BIGENDIAN=yes" >> config.mak
2086     echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2087 fi
2088
2089 if enabled sdl; then
2090     echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2091     echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2092 fi
2093 if enabled texi2html; then
2094     echo "BUILD_DOC=yes" >> config.mak
2095 fi
2096
2097 get_version(){
2098     name=$1
2099     file=$source_path/$2
2100     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2101     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2102     lcname=$(tolower $name)
2103     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2104     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2105 }
2106
2107 get_version LIBSWSCALE  libswscale/swscale.h
2108 get_version LIBPOSTPROC libpostproc/postprocess.h
2109 get_version LIBAVCODEC  libavcodec/avcodec.h
2110 get_version LIBAVDEVICE libavdevice/avdevice.h
2111 get_version LIBAVFORMAT libavformat/avformat.h
2112 get_version LIBAVUTIL   libavutil/avutil.h
2113 get_version LIBAVFILTER libavfilter/avfilter.h
2114
2115 if enabled shared; then
2116     echo "BUILD_SHARED=yes" >> config.mak
2117     echo "PIC=-fPIC -DPIC" >> config.mak
2118     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2119     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2120     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2121     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2122     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2123     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2124     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2125     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2126 fi
2127 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2128 echo "EXTRALIBS=$extralibs" >> config.mak
2129
2130 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2131 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2132 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2133                                       $DECODER_LIST      \
2134                                       $ENCODER_LIST      \
2135                                       $PARSER_LIST       \
2136                                       $BSF_LIST          \
2137                                       $DEMUXER_LIST      \
2138                                       $MUXER_LIST        \
2139                                       $FILTER_LIST       \
2140                                       $PROTOCOL_LIST     \
2141                                       $INDEV_LIST        \
2142                                       $OUTDEV_LIST       \
2143
2144 echo "#define restrict $_restrict" >> $TMPH
2145
2146 if enabled small; then
2147     echo "#define av_always_inline"  >> $TMPH
2148 fi
2149
2150 echo "SRC_PATH=\"$source_path\"" >> config.mak
2151 echo "SRC_PATH_BARE=$source_path" >> config.mak
2152 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2153
2154 # Apparently it's not possible to portably echo a backslash.
2155 enabled asmalign_pot &&
2156     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2157     printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2158
2159 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2160
2161 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2162
2163 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2164 cmp -s $TMPH config.h &&
2165     echo "config.h is unchanged" ||
2166     mv -f $TMPH config.h
2167
2168 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2169
2170 # build tree in object directory if source path is different from current one
2171 if enabled source_path_used; then
2172     DIRS="\
2173         doc               \
2174         libavcodec        \
2175         libavcodec/alpha  \
2176         libavcodec/armv4l \
2177         libavcodec/bfin   \
2178         libavcodec/i386   \
2179         libavcodec/mlib   \
2180         libavcodec/ppc    \
2181         libavcodec/sh4    \
2182         libavcodec/sparc  \
2183         libavdevice       \
2184         libavfilter       \
2185         libavformat       \
2186         libavutil         \
2187         libpostproc       \
2188         libswscale        \
2189         tests             \
2190         tools             \
2191         vhook             \
2192         "
2193     FILES="\
2194         Makefile             \
2195         common.mak           \
2196         subdir.mak           \
2197         doc/texi2pod.pl      \
2198         libavcodec/Makefile  \
2199         libavdevice/Makefile \
2200         libavfilter/Makefile \
2201         libavformat/Makefile \
2202         libavutil/Makefile   \
2203         libpostproc/Makefile \
2204         libswscale/Makefile  \
2205         "
2206     for dir in $DIRS ; do
2207         mkdir -p $dir
2208     done
2209     for f in $FILES ; do
2210         $ln_s "$source_path/$f" $f
2211     done
2212 fi
2213
2214
2215 # build pkg-config files
2216
2217 pkgconfig_generate(){
2218 name=$1
2219 shortname=${name#lib}
2220 comment=$2
2221 version=$3
2222 libs=$4
2223 requires=$5
2224 cat <<EOF > $name/$name.pc
2225 prefix=$prefix
2226 exec_prefix=\${prefix}
2227 libdir=$libdir
2228 includedir=$incdir
2229
2230 Name: $name
2231 Description: $comment
2232 Version: $version
2233 Requires: $(disabled shared && echo $requires)
2234 Requires.private: $(enabled shared && echo $requires)
2235 Conflicts:
2236 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2237 Libs.private: $(enabled shared && echo $libs)
2238 Cflags: -I\${includedir}
2239 EOF
2240 cat <<EOF > $name/$name-uninstalled.pc
2241 prefix=
2242 exec_prefix=
2243 libdir=\${pcfiledir}
2244 includedir=\${pcfiledir}/..
2245
2246 Name: $name
2247 Description: $comment
2248 Version: $version
2249 Requires: $requires
2250 Conflicts:
2251 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2252 Cflags: -I\${includedir}
2253 EOF
2254 }
2255
2256 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2257 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2258 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2259 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2260 enabled avfilter &&
2261     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2262 enabled postproc &&
2263     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2264 if enabled swscale; then
2265     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2266 else
2267     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2268     apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2269 fi