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 "  --extra-version=STRING   version string suffix []"
 120   echo "  --build-suffix=SUFFIX    suffix for application specific build []"
 121   echo "  --arch=ARCH              select architecture  [$arch]"
 122   echo "  --cpu=CPU                selects the minimum cpu required (affects"
 123   echo "                           instruction selection, may crash on older CPUs)"
 124   echo "  --enable-powerpc-perf    enable performance report on PPC"
 125   echo "                           (requires enabling PMC)"
 126   echo "  --disable-mmx            disable MMX usage"
 127   echo "  --disable-mmx2           disable MMX2 usage"
 128   echo "  --disable-ssse3          disable SSSE3 usage"
 129   echo "  --disable-armv5te        disable armv5te usage"
 130   echo "  --disable-armv6          disable armv6 usage"
 131   echo "  --disable-armvfp         disable ARM VFP usage"
 132   echo "  --disable-iwmmxt         disable iwmmxt usage"
 133   echo "  --disable-altivec        disable AltiVec usage"
 134   echo "  --disable-network        disable network support [default=no]"
 135   echo "  --disable-ipv6           disable ipv6 support [default=no]"
 136   echo "  --disable-zlib           disable zlib [default=no]"
 137   echo "  --disable-bzlib          disable bzlib [default=no]"
 138   echo "  --disable-vhook          disable video hooking support"
 139   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 140   echo "                           MPEG audio decoding [default=no]"
 141   echo "  --enable-gray            enable full grayscale support (slower color)"
 142   echo "  --disable-ffmpeg         disable ffmpeg build"
 143   echo "  --disable-ffserver       disable ffserver build"
 144   echo "  --disable-ffplay         disable ffplay build"
 145   echo "  --enable-small           optimize for size instead of speed"
 146   echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
 147   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 148   echo "  --disable-encoder=NAME   disables encoder NAME"
 149   echo "  --enable-encoder=NAME    enables encoder NAME"
 150   echo "  --disable-decoder=NAME   disables decoder NAME"
 151   echo "  --enable-decoder=NAME    enables decoder NAME"
 152   echo "  --disable-encoders       disables all encoders"
 153   echo "  --disable-decoders       disables all decoders"
 154   echo "  --disable-muxer=NAME     disables muxer NAME"
 155   echo "  --enable-muxer=NAME      enables muxer NAME"
 156   echo "  --disable-muxers         disables all muxers"
 157   echo "  --disable-demuxer=NAME   disables demuxer NAME"
 158   echo "  --enable-demuxer=NAME    enables demuxer NAME"
 159   echo "  --disable-demuxers       disables all demuxers"
 160   echo "  --enable-parser=NAME     enables parser NAME"
 161   echo "  --disable-parser=NAME    disables parser NAME"
 162   echo "  --disable-parsers        disables all parsers"
 163   echo "  --enable-bsf=NAME        enables bitstream filter NAME"
 164   echo "  --disable-bsf=NAME       disables bitstream filter NAME"
 165   echo "  --disable-bsfs           disables all bitstream filters"
 166   echo "  --enable-protocol=NAME   enables protocol NAME"
 167   echo "  --disable-protocol=NAME  disables protocol NAME"
 168   echo "  --disable-protocols      disables all protocols"
 169   echo "  --disable-devices        disables all devices"
 170   echo "  --list-decoders          show all available decoders"
 171   echo "  --list-encoders          show all available encoders"
 172   echo "  --list-muxers            show all available muxers"
 173   echo "  --list-demuxers          show all available demuxers"
 174   echo "  --list-parsers           show all available parsers"
 175   echo "  --list-protocols         show all available protocols"
 176   echo "  --list-bsfs              show all available bitstream filters"
 177   echo "  --list-indevs            show all available input devices"
 178   echo "  --list-outdevs           show all available output devices"
 179   echo
 180   echo "Developer options (useful when working on FFmpeg itself):"
 181   echo "  --disable-debug          disable debugging symbols"
 182   echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
 183   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 184   echo "  --disable-optimizations  disable compiler optimizations"
 185   echo "  --enable-extra-warnings  enable more compiler warnings"
 186   echo "  --disable-stripping      disable stripping of executables and shared libraries"
 187   echo ""
 188   echo "NOTE: Object files are built at the place where configure is launched."
 189   exit 1
 190 }
 191
 192 log(){
 193     echo "$@" >> $logfile
 194 }
 195
 196 log_file(){
 197     log BEGIN $1
 198     pr -n -t $1 >> $logfile
 199     log END $1
 200 }
 201
 202 echolog(){
 203     log "$@"
 204     echo "$@"
 205 }
 206
 207 die(){
 208     echolog "$@"
 209     cat <<EOF
 210 If you think configure made a mistake, make sure you are using the latest
 211 version from SVN.  If the latest version fails, report the problem to the
 212 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 213 EOF
 214     if disabled logging; then
 215         cat <<EOF
 216 Rerun configure with logging enabled (do not use --disable-logging), and
 217 include the log this produces with your report.
 218 EOF
 219     else
 220 cat <<EOF
 221 Include the log file "$logfile" produced by configure as this will help
 222 solving the problem.
 223 EOF
 224     fi
 225     rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
 226     exit 1
 227 }
 228
 229 # Avoid locale weirdness, besides we really just want to translate ASCII.
 230 toupper(){
 231     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 232 }
 233
 234 tolower(){
 235     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 236 }
 237
 238 set_all(){
 239     value=$1
 240     shift
 241     for var in $*; do
 242         eval $var=$value
 243     done
 244 }
 245
 246 pushvar(){
 247     for var in $*; do
 248         eval level=\${${var}_level:=0}
 249         eval ${var}_${level}="\$$var"
 250         eval ${var}_level=$(($level+1))
 251     done
 252 }
 253
 254 popvar(){
 255     for var in $*; do
 256         eval level=\${${var}_level:-0}
 257         test $level = 0 && continue
 258         eval level=$(($level-1))
 259         eval $var="\${${var}_${level}}"
 260         eval ${var}_level=$level
 261         eval unset ${var}_${level}
 262     done
 263 }
 264
 265 enable(){
 266     set_all yes $*
 267 }
 268
 269 disable(){
 270     set_all no $*
 271 }
 272
 273 enabled(){
 274     test "${1#!}" = "$1" && op== || op=!=
 275     eval test "x\$${1#!}" $op "xyes"
 276 }
 277
 278 disabled(){
 279     test "${1#!}" = "$1" && op== || op=!=
 280     eval test "x\$${1#!}" $op "xno"
 281 }
 282
 283 enabled_all(){
 284     for opt; do
 285         enabled $opt || return 1
 286     done
 287 }
 288
 289 disabled_all(){
 290     for opt; do
 291         disabled $opt || return 1
 292     done
 293 }
 294
 295 enabled_any(){
 296     for opt; do
 297         enabled $opt && return 0
 298     done
 299 }
 300
 301 disabled_any(){
 302     for opt; do
 303         disabled $opt && return 0
 304     done
 305 }
 306
 307 set_default(){
 308     for opt; do
 309         eval test -z "\$$opt" && eval $opt=\$${opt}_default
 310     done
 311 }
 312
 313 is_in(){
 314     value=$1
 315     shift
 316     for var in $*; do
 317         [ $var = $value ] && return 0
 318     done
 319     return 1
 320 }
 321
 322 check_deps(){
 323     for cfg; do
 324         cfg="${cfg#!}"
 325         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 326         disabled ${cfg}_checking && continue
 327         enable ${cfg}_checking
 328
 329         eval dep_all="\$${cfg}_deps"
 330         eval dep_any="\$${cfg}_deps_any"
 331
 332         pushvar cfg dep_all dep_any
 333         check_deps $dep_all $dep_any
 334         popvar cfg dep_all dep_any
 335
 336         enabled_all $dep_all || disable $cfg
 337         enabled_any $dep_any || disable $cfg
 338
 339         if enabled $cfg; then
 340             eval dep_extralibs="\$${cfg}_extralibs"
 341             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 342         fi
 343
 344         disable ${cfg}_checking
 345     done
 346 }
 347
 348 print_config(){
 349     pfx=$1
 350     header=$2
 351     makefile=$3
 352     shift 3
 353     for cfg; do
 354         ucname="`toupper $cfg`"
 355         if enabled $cfg; then
 356             echo "#define ${pfx}${ucname} 1" >> $header
 357             echo "#define ENABLE_${ucname} 1" >> $header
 358             echo "${pfx}${ucname}=yes" >> $makefile
 359         else
 360             echo "#define ENABLE_${ucname} 0" >> $header
 361         fi
 362     done
 363 }
 364
 365 flags_saved(){
 366     (: ${SAVE_CFLAGS?}) 2> /dev/null
 367 }
 368
 369 save_flags(){
 370     flags_saved && return
 371     SAVE_CFLAGS="$CFLAGS"
 372     SAVE_LDFLAGS="$LDFLAGS"
 373     SAVE_extralibs="$extralibs"
 374 }
 375
 376 restore_flags(){
 377     flags_saved || return
 378     CFLAGS="$SAVE_CFLAGS"
 379     LDFLAGS="$SAVE_LDFLAGS"
 380     extralibs="$SAVE_extralibs"
 381     unset SAVE_CFLAGS
 382     unset SAVE_LDFLAGS
 383     unset SAVE_extralibs
 384 }
 385
 386 temp_cflags(){
 387     save_flags
 388     CFLAGS="$CFLAGS $*"
 389 }
 390
 391 temp_ldflags(){
 392     save_flags
 393     LDFLAGS="$LDFLAGS $*"
 394 }
 395
 396 temp_extralibs(){
 397     save_flags
 398     extralibs="$extralibs $*"
 399 }
 400
 401 append(){
 402     var=$1
 403     shift
 404     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 405     eval "$var=\"\$$var $*\""
 406 }
 407
 408 add_cflags(){
 409     append CFLAGS "$@"
 410 }
 411
 412 add_ldflags(){
 413     append LDFLAGS "$@"
 414 }
 415
 416 add_extralibs(){
 417     append extralibs "$@"
 418 }
 419
 420 check_cmd(){
 421     log "$@"
 422     "$@" >> $logfile 2>&1
 423 }
 424
 425 check_cc(){
 426     log check_cc "$@"
 427     cat > $TMPC
 428     log_file $TMPC
 429     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 430 }
 431
 432 check_cpp(){
 433     log check_cpp "$@"
 434     cat > $TMPC
 435     log_file $TMPC
 436     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 437 }
 438
 439 check_asm(){
 440     log check_asm "$@"
 441     name="$1"
 442     asm="$2"
 443     shift 2
 444     check_cc "$@" <<EOF && enable $name || disable $name
 445 int foo(void){ asm volatile($asm); }
 446 EOF
 447 }
 448
 449 check_yasm(){
 450     log check_yasm "$@"
 451     echo "$1" > $TMPS
 452     log_file $TMPS
 453     shift 1
 454     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 455 }
 456
 457 check_ld(){
 458     log check_ld "$@"
 459     check_cc || return
 460     flags=''
 461     libs=''
 462     for f; do
 463         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 464     done
 465     check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 466 }
 467
 468 check_cflags(){
 469     log check_cflags "$@"
 470     check_cc "$@" <<EOF && add_cflags "$@"
 471 int x;
 472 EOF
 473 }
 474
 475 check_ldflags(){
 476     log check_ldflags "$@"
 477     check_ld "$@" <<EOF && add_ldflags "$@"
 478 int main(void){ return 0; }
 479 EOF
 480 }
 481
 482 check_header(){
 483     log check_header "$@"
 484     header=$1
 485     shift
 486     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 487     disable $var
 488     check_cpp "$@" <<EOF && enable $var
 489 #include <$header>
 490 int x;
 491 EOF
 492 }
 493
 494 check_func(){
 495     log check_func "$@"
 496     func=$1
 497     shift
 498     disable $func
 499     check_ld "$@" <<EOF && enable $func
 500 extern int $func();
 501 int main(void){ $func(); }
 502 EOF
 503 }
 504
 505 check_func_headers(){
 506     log check_func_headers "$@"
 507     headers=$1
 508     func=$2
 509     shift 2
 510     disable $func
 511     incs=""
 512     for hdr in $headers; do
 513         incs="$incs
 514 #include <$hdr>"
 515     done
 516     check_ld "$@" <<EOF && enable $func
 517 $incs
 518 int main(int argc, char **argv){
 519     (void) $func;
 520     return 0;
 521 }
 522 EOF
 523 }
 524
 525 check_lib(){
 526     log check_lib "$@"
 527     header="$1"
 528     func="$2"
 529     shift 2
 530     temp_extralibs "$@"
 531     check_header $header && check_func $func && add_extralibs "$@"
 532     err=$?
 533     restore_flags
 534     return $err
 535 }
 536
 537 check_lib2(){
 538     log check_lib2 "$@"
 539     headers="$1"
 540     func="$2"
 541     shift 2
 542     temp_extralibs "$@"
 543     check_func_headers "$headers" $func && add_extralibs "$@"
 544     err=$?
 545     restore_flags
 546     return $err
 547 }
 548
 549 check_exec(){
 550     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 551 }
 552
 553 check_exec_crash(){
 554     code=`cat`
 555
 556     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 557     # are safe but may not be available everywhere.  Thus we use
 558     # raise(SIGTERM) instead.  The check is run in a subshell so we
 559     # can redirect the "Terminated" message from the shell.  SIGBUS
 560     # is not defined by standard C so it is used conditionally.
 561
 562     (check_exec "$@") >> $logfile 2>&1 <<EOF
 563 #include <signal.h>
 564 static void sighandler(int sig){
 565     raise(SIGTERM);
 566 }
 567 int main(void){
 568     signal(SIGILL, sighandler);
 569     signal(SIGFPE, sighandler);
 570     signal(SIGSEGV, sighandler);
 571 #ifdef SIGBUS
 572     signal(SIGBUS, sighandler);
 573 #endif
 574     { $code }
 575 }
 576 EOF
 577 }
 578
 579 check_type(){
 580     log check_type "$@"
 581     headers=$1
 582     type=$2
 583     shift 2
 584     disable $type
 585     incs=""
 586     for hdr in $headers; do
 587         incs="$incs
 588 #include <$hdr>"
 589     done
 590     check_cc "$@" <<EOF && enable $type
 591 $incs
 592 $type v;
 593 EOF
 594 }
 595
 596 require(){
 597     name="$1"
 598     header="$2"
 599     func="$3"
 600     shift 3
 601     check_lib $header $func "$@" || die "ERROR: $name not found"
 602 }
 603
 604 require2(){
 605     name="$1"
 606     headers="$2"
 607     func="$3"
 608     shift 3
 609     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 610 }
 611
 612 check_foo_config(){
 613     cfg=$1
 614     pkg=$2
 615     header=$3
 616     func=$4
 617     shift 4
 618     disable $cfg
 619     check_cmd ${pkg}-config --version
 620     err=$?
 621     if test "$err" = 0; then
 622         temp_cflags `${pkg}-config --cflags`
 623         temp_extralibs `${pkg}-config --libs`
 624         check_lib "$@" $header $func && enable $cfg
 625     fi
 626     return $err
 627 }
 628
 629 apply(){
 630     file=$1
 631     shift
 632     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 633 }
 634
 635 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 636 # system-dependent things.
 637
 638 COMPONENT_LIST="
 639     bsfs
 640     decoders
 641     demuxers
 642     encoders
 643     filters
 644     indevs
 645     muxers
 646     outdevs
 647     parsers
 648     protocols
 649 "
 650
 651 CONFIG_LIST="
 652     $COMPONENT_LIST
 653     avfilter
 654     avfilter_lavf
 655     avisynth
 656     beos_netserver
 657     bzlib
 658     ffmpeg
 659     ffplay
 660     ffserver
 661     gpl
 662     gprof
 663     gray
 664     hardcoded_tables
 665     ipv6
 666     liba52
 667     liba52bin
 668     libamr_nb
 669     libamr_wb
 670     libdc1394
 671     libdirac
 672     libfaac
 673     libfaad
 674     libfaadbin
 675     libgsm
 676     libmp3lame
 677     libnut
 678     libschroedinger
 679     libtheora
 680     libvorbis
 681     libx264
 682     libxvid
 683     memalign_hack
 684     mlib
 685     mpegaudio_hp
 686     network
 687     nonfree
 688     postproc
 689     powerpc_perf
 690     small
 691     swscale
 692     vhook
 693     x11grab
 694     zlib
 695 "
 696
 697 THREADS_LIST='
 698     beosthreads
 699     os2threads
 700     pthreads
 701     w32threads
 702 '
 703
 704 ARCH_LIST='
 705     alpha
 706     armv4l
 707     bfin
 708     ia64
 709     m68k
 710     mips
 711     parisc
 712     powerpc
 713     s390
 714     sh4
 715     sparc
 716     sparc64
 717     x86
 718     x86_32
 719     x86_64
 720 '
 721
 722 ARCH_EXT_LIST='
 723     altivec
 724     armv5te
 725     armv6
 726     armvfp
 727     iwmmxt
 728     mmi
 729     mmx
 730     mmx2
 731     neon
 732     ssse3
 733     vis
 734 '
 735
 736 HAVE_LIST="
 737     $ARCH_EXT_LIST
 738     $THREADS_LIST
 739     altivec_h
 740     arpa_inet_h
 741     bswap
 742     byteswap_h
 743     closesocket
 744     cmov
 745     conio_h
 746     dcbzl
 747     dev_bktr_ioctl_bt848_h
 748     dev_bktr_ioctl_meteor_h
 749     dev_ic_bt8xx_h
 750     dev_video_meteor_ioctl_meteor_h
 751     dev_video_bktr_ioctl_bt848_h
 752     dlfcn_h
 753     dlopen
 754     ebp_available
 755     ebx_available
 756     fast_64bit
 757     fast_cmov
 758     fast_unaligned
 759     fork
 760     freetype2
 761     gethrtime
 762     GetProcessTimes
 763     getrusage
 764     imlib2
 765     inet_aton
 766     inline_asm
 767     libdc1394_1
 768     libdc1394_2
 769     llrint
 770     lrint
 771     lrintf
 772     machine_ioctl_bt848_h
 773     machine_ioctl_meteor_h
 774     malloc_h
 775     memalign
 776     mkstemp
 777     pld
 778     ppc64
 779     round
 780     roundf
 781     sdl
 782     sdl_video_size
 783     socklen_t
 784     soundcard_h
 785     poll_h
 786     sys_mman_h
 787     sys_resource_h
 788     sys_select_h
 789     sys_soundcard_h
 790     sys_videoio_h
 791     termios_h
 792     threads
 793     winsock2_h
 794     yasm
 795 "
 796
 797 CMDLINE_SELECT="
 798     $ARCH_EXT_LIST
 799     $CONFIG_LIST
 800     $THREADS_LIST
 801     cross_compile
 802     debug
 803     extra_warnings
 804     logging
 805     optimizations
 806     shared
 807     static
 808     stripping
 809 "
 810
 811 PATHS_LIST='
 812     bindir
 813     incdir
 814     libdir
 815     mandir
 816     prefix
 817     shlibdir
 818 '
 819
 820 CMDLINE_SET="
 821     $PATHS_LIST
 822     arch
 823     build_suffix
 824     cc
 825     cpu
 826     cross_prefix
 827     extra_version
 828     logfile
 829     source_path
 830     target_os
 831 "
 832
 833 # code dependency declarations
 834
 835 # architecture extensions
 836 altivec_deps="powerpc"
 837 armv5te_deps="armv4l"
 838 armv6_deps="armv4l"
 839 armvfp_deps="armv4l"
 840 iwmmxt_deps="armv4l"
 841 mmi_deps="mips"
 842 mmx_deps="x86"
 843 mmx2_deps="x86 mmx"
 844 neon_deps="armv4l"
 845 ssse3_deps="x86"
 846 vis_deps="sparc"
 847
 848 # system headers and functions
 849 byteswap_h_deps="!armv4l"
 850
 851 # decoders / encoders
 852 ac3_decoder_deps="gpl !liba52"
 853 dxa_decoder_deps="zlib"
 854 eac3_decoder_deps="gpl"
 855 flashsv_decoder_deps="zlib"
 856 flashsv_encoder_deps="zlib"
 857 mlp_decoder_deps="mlp_parser"
 858 mpeg_xvmc_decoder_deps="xvmc"
 859 png_decoder_deps="zlib"
 860 png_encoder_deps="zlib"
 861 zmbv_decoder_deps="zlib"
 862 zmbv_encoder_deps="zlib"
 863
 864 # external libraries
 865 liba52_decoder_deps="liba52"
 866 liba52bin_decoder_extralibs='$ldl'
 867 libamr_nb_decoder_deps="libamr_nb"
 868 libamr_nb_encoder_deps="libamr_nb"
 869 libamr_wb_decoder_deps="libamr_wb"
 870 libamr_wb_encoder_deps="libamr_wb"
 871 libdirac_decoder_deps="libdirac !libschroedinger"
 872 libdirac_encoder_deps="libdirac"
 873 libfaac_encoder_deps="libfaac"
 874 libfaad_decoder_deps="libfaad"
 875 libfaadbin_decoder_extralibs='$ldl'
 876 libgsm_decoder_deps="libgsm"
 877 libgsm_encoder_deps="libgsm"
 878 libgsm_ms_decoder_deps="libgsm"
 879 libgsm_ms_encoder_deps="libgsm"
 880 libmp3lame_encoder_deps="libmp3lame"
 881 libschroedinger_decoder_deps="libschroedinger"
 882 libschroedinger_encoder_deps="libschroedinger"
 883 libtheora_encoder_deps="libtheora"
 884 libvorbis_encoder_deps="libvorbis"
 885 libx264_encoder_deps="libx264"
 886 libxvid_encoder_deps="libxvid"
 887 mpeg4aac_decoder_deps="libfaad"
 888
 889 # demuxers / muxers
 890 ac3_demuxer_deps="ac3_parser"
 891 audio_beos_demuxer_deps="audio_beos"
 892 audio_beos_demuxer_extralibs="-lmedia -lbe"
 893 audio_beos_muxer_deps="audio_beos"
 894 audio_beos_muxer_extralibs="-lmedia -lbe"
 895 avisynth_demuxer_deps="avisynth"
 896 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
 897 dirac_demuxer_deps="dirac_parser"
 898 dv1394_demuxer_deps="dv1394 dv_demuxer"
 899 libdc1394_demuxer_deps="libdc1394"
 900 libnut_demuxer_deps="libnut"
 901 libnut_muxer_deps="libnut"
 902 mp3_demuxer_deps="mpegaudio_parser"
 903 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
 904 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
 905 redir_demuxer_deps="network"
 906 rtp_muxer_deps="network rtp_protocol"
 907 rtsp_demuxer_deps="sdp_demuxer"
 908 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
 909 v4l_demuxer_deps="linux_videodev_h"
 910 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
 911 vfwcap_demuxer_deps="capCreateCaptureWindow"
 912 vfwcap_demuxer_extralibs="-lvfw32"
 913 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
 914 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
 915
 916 # protocols
 917 http_protocol_deps="network"
 918 rtp_protocol_deps="udp_protocol"
 919 tcp_protocol_deps="network"
 920 udp_protocol_deps="network"
 921
 922 # filters
 923 movie_filter_deps="avfilter_lavf"
 924
 925 # programs
 926 ffplay_deps="sdl"
 927 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
 928 ffserver_extralibs='$ldl'
 929 vhook_extralibs='$ldl'
 930
 931
 932 # default parameters
 933
 934 logfile="config.err"
 935
 936 # installation paths
 937 prefix_default="/usr/local"
 938 bindir_default='${prefix}/bin'
 939 incdir_default='${prefix}/include'
 940 libdir_default='${prefix}/lib'
 941 mandir_default='${prefix}/share/man'
 942 shlibdir_default="$libdir_default"
 943
 944 # toolchain
 945 cc="gcc"
 946 yasmexe="yasm"
 947 ar="ar"
 948 nm="nm"
 949 ranlib="ranlib"
 950 strip="strip"
 951 asmalign_pot="unknown"
 952 ln_s="ln -sf"
 953 objformat="elf"
 954
 955 # machine
 956 arch=`uname -m`
 957 cpu="generic"
 958
 959 # OS
 960 target_os=$(tolower $(uname -s))
 961
 962 # libraries
 963 enable bzlib
 964 enable zlib
 965
 966 # configurable options
 967 enable debug
 968 enable ffmpeg
 969 enable ffplay
 970 enable ffserver
 971 enable ipv6
 972 enable mpegaudio_hp
 973 enable network
 974 enable optimizations
 975 enable protocols
 976 enable static
 977 enable stripping
 978 vhook="default"
 979
 980 # build settings
 981 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
 982 SHFLAGS='-shared -Wl,-soname,$$(@F)'
 983 VHOOKSHFLAGS='$(SHFLAGS)'
 984 FFSERVERLDFLAGS=-Wl,-E
 985 LIBPREF="lib"
 986 LIBSUF=".a"
 987 FULLNAME='$(NAME)$(BUILDSUF)'
 988 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
 989 SLIBPREF="lib"
 990 SLIBSUF=".so"
 991 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
 992 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
 993 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
 994 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
 995
 996 # gcc stupidly only outputs the basename of targets with -MM
 997 DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "1s,^,$(@D)/," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
 998
 999 # find source path
1000 source_path="`dirname \"$0\"`"
1001 enable source_path_used
1002 if test -z "$source_path" -o "$source_path" = "." ; then
1003     source_path="`pwd`"
1004     disable source_path_used
1005 else
1006     source_path="`cd \"$source_path\"; pwd`"
1007     echo "$source_path" | grep -q '[[:blank:]]' &&
1008         die "Out of tree builds are impossible with whitespace in source path."
1009 fi
1010
1011 FFMPEG_CONFIGURATION="$@"
1012
1013 find_things(){
1014     thing=$1
1015     pattern=$2
1016     file=$source_path/$3
1017     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1018 }
1019
1020 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1021 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1022 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1023 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1024 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1025 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1026 OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1027 INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1028 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1029 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1030
1031 enable $ARCH_EXT_LIST \
1032        $DECODER_LIST \
1033        $ENCODER_LIST \
1034        $PARSER_LIST \
1035        $BSF_LIST \
1036        $DEMUXER_LIST \
1037        $MUXER_LIST \
1038        $FILTER_LIST \
1039        $PROTOCOL_LIST \
1040        $INDEV_LIST \
1041        $OUTDEV_LIST \
1042
1043 die_unknown(){
1044     echo "Unknown option \"$1\"."
1045     echo "See $0 --help for available options."
1046     exit 1
1047 }
1048
1049 show_list() {
1050     suffix=_$1
1051     shift
1052     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1053     exit 0
1054 }
1055
1056 for opt do
1057     optval="${opt#*=}"
1058     case "$opt" in
1059     --extra-cflags=*) add_cflags "$optval"
1060     ;;
1061     --extra-ldflags=*) add_ldflags "$optval"
1062     ;;
1063     --extra-libs=*) add_extralibs "$optval"
1064     ;;
1065     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1066     ;;
1067     --enable-debug=*) debuglevel="$optval"
1068     ;;
1069     --enable-*=*|--disable-*=*)
1070     eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1071     case "$thing" in
1072         encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1073         *) die_unknown "$opt" ;;
1074     esac
1075     ;;
1076     --enable-?*|--disable-?*)
1077     eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1078     if is_in $option $COMPONENT_LIST; then
1079         eval $action \$$(toupper ${option%s})_LIST
1080     elif is_in $option $CMDLINE_SELECT; then
1081         $action $option
1082     else
1083         die_unknown $opt
1084     fi
1085     ;;
1086     --list-*)
1087         NAME="${opt#--list-}"
1088         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1089         NAME=${NAME%s}
1090         eval show_list $NAME \$$(toupper $NAME)_LIST
1091     ;;
1092     --help|-h) show_help
1093     ;;
1094     *)
1095     optname="${opt%=*}"
1096     optname="${optname#--}"
1097     optname=$(echo "$optname" | sed 's/-/_/g')
1098     is_in $optname $CMDLINE_SET || die_unknown $opt
1099     eval $optname='$optval'
1100     ;;
1101     esac
1102 done
1103
1104 disabled logging && logfile=/dev/null
1105
1106 echo "# $0 $@" > $logfile
1107 set >> $logfile
1108
1109 cc="${cross_prefix}${cc}"
1110 yasmexe="${cross_prefix}${yasmexe}"
1111 ar="${cross_prefix}${ar}"
1112 nm="${cross_prefix}${nm}"
1113 ranlib="${cross_prefix}${ranlib}"
1114 strip="${cross_prefix}${strip}"
1115
1116 # set temporary file name
1117 if test ! -z "$TMPDIR" ; then
1118     TMPDIR1="${TMPDIR}"
1119 elif test ! -z "$TEMPDIR" ; then
1120     TMPDIR1="${TEMPDIR}"
1121 else
1122     TMPDIR1="/tmp"
1123 fi
1124
1125 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1126 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1127 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1128 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1129 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1130 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1131
1132 check_cflags -fasm
1133 check_cflags -std=c99
1134
1135 case "$arch" in
1136     i386|i486|i586|i686|i86pc|BePC)
1137         arch="x86_32"
1138         enable fast_unaligned
1139     ;;
1140     x86_64|amd64)
1141         arch="x86_32"
1142         enable fast_unaligned
1143         check_cc <<EOF && enable fast_64bit && arch="x86_64"
1144         int test[sizeof(char*) - 7];
1145 EOF
1146     ;;
1147     # armv4l is a subset of armv[567]*l
1148     arm|armv[4567]*l)
1149         arch="armv4l"
1150     ;;
1151     alpha)
1152         arch="alpha"
1153         enable fast_64bit
1154     ;;
1155     "Power Macintosh"|ppc|powerpc)
1156         arch="powerpc"
1157     ;;
1158     ppc64)
1159         arch="powerpc"
1160         enable fast_64bit
1161     ;;
1162     mips|mipsel|IP*)
1163         arch="mips"
1164     ;;
1165     sun4u|sparc64)
1166         arch="sparc64"
1167         enable fast_64bit
1168     ;;
1169     sparc)
1170         arch="sparc"
1171     ;;
1172     sh4)
1173         arch="sh4"
1174     ;;
1175     parisc)
1176         arch="parisc"
1177     ;;
1178     parisc64)
1179         arch="parisc"
1180         enable fast_64bit
1181     ;;
1182     s390|s390x)
1183         arch="s390"
1184     ;;
1185     m68k)
1186         arch="m68k"
1187     ;;
1188     ia64)
1189         arch="ia64"
1190         enable fast_64bit
1191     ;;
1192     bfin)
1193         arch="bfin"
1194     ;;
1195     *)
1196         arch="unknown"
1197     ;;
1198 esac
1199
1200 enable $arch
1201 enabled_any x86_32 x86_64 && enable x86
1202 enabled     sparc64       && enable sparc
1203
1204 # OS specific
1205 case $target_os in
1206     beos|haiku|zeta)
1207         prefix_default="$HOME/config"
1208         # helps building libavcodec
1209         add_cflags "-DPIC -fomit-frame-pointer"
1210         # 3 gcc releases known for BeOS, each with ugly bugs
1211         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1212         case "$gcc_version" in
1213           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1214             disable mmx
1215             ;;
1216           *20010315*) echo "BeBits gcc"
1217             add_cflags "-fno-expensive-optimizations"
1218             ;;
1219         esac
1220         SHFLAGS=-nostart
1221         # enable BeOS things
1222         enable audio_beos
1223         # no need for libm, but the inet stuff
1224         # Check for BONE
1225         # XXX: actually should check for NOT net_server
1226         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1227             network_extralibs="-lbind -lsocket"
1228         else
1229             enable beos_netserver
1230             network_extralibs="-lnet"
1231         fi ;;
1232     sunos)
1233         FFSERVERLDFLAGS=""
1234         SHFLAGS='-shared -Wl,-h,$$(@F)'
1235         network_extralibs="-lsocket -lnsl"
1236         ;;
1237     netbsd)
1238         oss_demuxer_extralibs="-lossaudio"
1239         oss_muxer_extralibs="-lossaudio"
1240         ;;
1241     openbsd)
1242         disable need_memalign
1243         LIBOBJFLAGS='$(PIC)'
1244         SHFLAGS='-shared'
1245         SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1246         SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1247         SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1248         oss_demuxer_extralibs="-lossaudio"
1249         oss_muxer_extralibs="-lossaudio"
1250         ;;
1251     freebsd)
1252         disable need_memalign
1253         ;;
1254     bsd/os)
1255         osextralibs="-lpoll -lgnugetopt"
1256         strip="strip -d"
1257         ;;
1258     darwin)
1259         disable need_memalign
1260         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1261         VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1262         strip="strip -x"
1263         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1264         SLIBSUF=".dylib"
1265         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1266         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1267         FFSERVERLDFLAGS=-Wl,-bind_at_load
1268         objformat="macho"
1269         enabled x86_64 && objformat="macho64"
1270         ;;
1271     mingw32*)
1272         target_os=mingw32
1273         LIBTARGET=i386
1274         if test $arch = x86_64; then
1275             disable need_memalign
1276             LIBTARGET=x64
1277         fi
1278         shlibdir_default="$bindir_default"
1279         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1280         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1281         if enabled swscale; then
1282             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1283             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1284         fi
1285         disable ffserver
1286         SLIBPREF=""
1287         SLIBSUF=".dll"
1288         EXESUF=".exe"
1289         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1290         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1291         SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1292         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1293             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1294         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1295         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1296         objformat="win32"
1297         ;;
1298     cygwin*)
1299         target_os=cygwin
1300         shlibdir_default="$bindir_default"
1301         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1302         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1303         if enabled swscale; then
1304             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1305             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1306         fi
1307         EXESUF=".exe"
1308         SLIBPREF="cyg"
1309         SLIBSUF=".dll"
1310         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1311         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1312         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1313         objformat="win32"
1314         ;;
1315     *-dos|freedos|opendos)
1316         disable ffplay ffserver vhook
1317         disable $INDEV_LIST $OUTDEV_LIST
1318         network_extralibs="-lsocket"
1319         EXESUF=".exe"
1320         objformat="win32"
1321         ;;
1322     linux)
1323         enable dv1394
1324         ;;
1325     irix*)
1326         target_os=irix
1327         ranlib="echo ignoring ranlib"
1328         ;;
1329     os/2*)
1330         strip="lxlite"
1331         ln_s="cp -f"
1332         EXESUF=".exe"
1333         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1334         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1335         FFSERVERLDFLAGS=""
1336         LIBSUF="_s.a"
1337         SLIBPREF=""
1338         SLIBSUF=".dll"
1339         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1340         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1341         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1342           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1343           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1344           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1345           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1346           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1347         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1348           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1349         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1350         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1351         disable vhook
1352         ;;
1353     interix)
1354         disable vhook
1355         ;;
1356
1357     *)
1358         target_os="${target_os}-UNKNOWN"
1359         ;;
1360 esac
1361
1362 set_default $PATHS_LIST
1363
1364 add_extralibs $osextralibs
1365
1366 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1367 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1368
1369 test -n "$cross_prefix" && enable cross_compile
1370
1371 # we need to build at least one lib type
1372 if ! enabled_any static shared; then
1373     cat <<EOF
1374 At least one library type must be built.
1375 Specify --enable-static to build the static libraries or --enable-shared to
1376 build the shared libraries as well. To only build the shared libraries specify
1377 --disable-static in addition to --enable-shared.
1378 EOF
1379     exit 1;
1380 fi
1381
1382 disabled static && LIBNAME=""
1383
1384 if enabled_any libfaad libfaadbin ; then
1385     if check_header faad.h; then
1386         check_cc <<EOF
1387 #include <faad.h>
1388 #ifndef FAAD2_VERSION
1389 ok faad1
1390 #endif
1391 int main(void) { return 0; }
1392 EOF
1393         test $? = 0 && enable libfaad2
1394     else
1395         die "FAAD test failed."
1396     fi
1397 fi
1398
1399
1400 if ! enabled gpl; then
1401     die_gpl_disabled(){
1402         name=$1
1403         shift
1404         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1405     }
1406     die_gpl_disabled "The Postprocessing code" postproc
1407     die_gpl_disabled "liba52"                  liba52
1408     die_gpl_disabled "libx264"                 libx264
1409     die_gpl_disabled "libxvidcore"             libxvid
1410     die_gpl_disabled "FAAD2"                   libfaad2
1411     die_gpl_disabled "The X11 grabber"         x11grab
1412     die_gpl_disabled "The software scaler"     swscale
1413 fi
1414
1415 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1416     die "libamr is nonfree and --enable-nonfree is not specified."
1417 fi
1418
1419 check_deps $ARCH_EXT_LIST
1420
1421 test -z "$need_memalign" && need_memalign="$mmx"
1422
1423 #Darwin CC versions
1424 if test $target_os = darwin; then
1425     if $cc -v 2>&1 | grep -q xlc; then
1426         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1427     else
1428         add_cflags "-pipe"
1429         check_cflags "-force_cpusubtype_ALL"
1430         check_cflags "-Wno-sign-compare"
1431         enabled shared || check_cflags -mdynamic-no-pic
1432     fi
1433 fi
1434
1435 disabled optimizations || check_cflags -fomit-frame-pointer
1436
1437 # Add processor-specific flags
1438 if test $cpu != "generic"; then
1439     warn_altivec(){
1440         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1441     }
1442     case $cpu in
1443         601|ppc601|PowerPC601)
1444             add_cflags "-mcpu=601"
1445             warn_altivec enabled PPC601
1446         ;;
1447         603*|ppc603*|PowerPC603*)
1448             add_cflags "-mcpu=603"
1449             warn_altivec enabled PPC603
1450         ;;
1451         604*|ppc604*|PowerPC604*)
1452             add_cflags "-mcpu=604"
1453             warn_altivec enabled PPC604
1454         ;;
1455         G3|g3|75*|ppc75*|PowerPC75*)
1456             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1457             warn_altivec enabled PPC75x
1458         ;;
1459         G4|g4|745*|ppc745*|PowerPC745*)
1460             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1461             warn_altivec disabled PPC745x
1462         ;;
1463         74*|ppc74*|PowerPC74*)
1464             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1465             warn_altivec disabled PPC74xx
1466         ;;
1467         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1468             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1469             warn_altivec disabled PPC970
1470             enable ppc64
1471         ;;
1472         Cell|CELL|cell)
1473             add_cflags "-mcpu=cell"
1474             warn_altivec disabled Cell
1475             enable ppc64
1476         ;;
1477         # targets that do NOT support conditional mov (cmov)
1478         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1479             add_cflags "-march=$cpu"
1480             disable cmov
1481         ;;
1482         # targets that do support conditional mov (cmov)
1483         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1484             add_cflags "-march=$cpu"
1485             enable cmov
1486             enable fast_cmov
1487         ;;
1488         # targets that do support conditional mov but on which it's slow
1489         pentium4|pentium4m|prescott|nocona)
1490             add_cflags "-march=$cpu"
1491             enable cmov
1492             disable fast_cmov
1493         ;;
1494         sparc64)
1495             add_cflags "-mcpu=v9"
1496         ;;
1497         arm*|cortex*)
1498             add_cflags "-mcpu=$cpu"
1499         ;;
1500         *)
1501             echo "WARNING: Unknown CPU \"$cpu\", ignored."
1502         ;;
1503     esac
1504 fi
1505
1506 # make sure we can execute files in $TMPDIR
1507 cat > $TMPSH 2>> $logfile <<EOF
1508 #! /bin/sh
1509 EOF
1510 chmod +x $TMPSH >> $logfile 2>&1
1511 if ! $TMPSH >> $logfile 2>&1; then
1512     cat <<EOF
1513 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1514 variable to another directory and make sure that $TMPDIR1 is not mounted
1515 noexec.
1516 EOF
1517     die "Sanity test failed."
1518 fi
1519 rm $TMPSH
1520
1521 # compiler sanity check
1522 check_exec <<EOF
1523 int main(void){ return 0; }
1524 EOF
1525 if test "$?" != 0; then
1526     echo "$cc is unable to create an executable file."
1527     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1528         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1529         echo "Only do this if you know what cross compiling means."
1530     fi
1531     die "C compiler test failed."
1532 fi
1533
1534 check_cc <<EOF || die "Symbol mangling check failed."
1535 int ff_extern;
1536 EOF
1537 sym=$($nm -P -g $TMPO | grep ff_extern)
1538 extern_prefix=${sym%%ff_extern*}
1539
1540 check_asm inline_asm '""'
1541
1542 if enabled x86; then
1543     # check whether EBP is available on x86
1544     # As 'i' is stored on the stack, this program will crash
1545     # if the base pointer is used to access it because the
1546     # base pointer is cleared in the inline assembly code.
1547     check_exec_crash <<EOF && enable ebp_available
1548     volatile int i=0;
1549     asm volatile (
1550         "xorl %%ebp, %%ebp"
1551     ::: "%ebp");
1552     return i;
1553 EOF
1554
1555     # check wether EBX is available on x86
1556     check_asm ebx_available '"":::"%ebx"'
1557
1558     # check whether binutils is new enough to compile SSSE3/MMX2
1559     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1560     enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1561
1562     check_asm bswap '"bswap %%eax" ::: "%eax"'
1563
1564     YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1565     enabled     x86_64        && append YASMFLAGS "-m amd64"
1566     enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1567     case "$objformat" in
1568         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1569         macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1570         *)                    append YASMFLAGS "-DPREFIX"  ;;
1571     esac
1572     check_yasm "pabsw xmm0, xmm0" && enable yasm
1573 fi
1574
1575 # check for assembler specific support
1576
1577 if test $arch = "powerpc"; then
1578 check_cc <<EOF && enable dcbzl
1579 int main(void) {
1580     register long zero = 0;
1581     char data[1024];
1582     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1583 return 0;
1584 }
1585 EOF
1586 fi
1587
1588 # check for SIMD availability
1589
1590 # AltiVec flags: The FSF version of GCC differs from the Apple version
1591 if enabled altivec; then
1592     check_cflags -maltivec -mabi=altivec &&
1593         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1594         check_cflags -faltivec
1595
1596     # check if our compiler supports Motorola AltiVec C API
1597     check_cc <<EOF || disable altivec
1598 $inc_altivec_h
1599 int main(void) {
1600     vector signed int v1, v2, v3;
1601     v1 = vec_add(v2,v3);
1602     return 0;
1603 }
1604 EOF
1605
1606     # check if our compiler supports braces for vector declarations
1607     check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1608 $inc_altivec_h
1609 int main (void) { (vector int) {1}; return 0; }
1610 EOF
1611 fi
1612
1613 # We have to check if pld is a nop and disable it.
1614 enabled armv4l  && check_asm pld     '"pld [r0]"'
1615 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1616 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1617 enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1618 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1619 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1620 enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1621 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1622
1623 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1624
1625 # ---
1626 # big/little-endian test
1627 check_cc <<EOF || die "endian test failed"
1628 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1629 EOF
1630 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1631
1632 # ---
1633 # check availability of some header files
1634
1635 if check_func dlopen; then
1636     ldl=
1637 elif check_func dlopen -ldl; then
1638     ldl=-ldl
1639 fi
1640
1641 check_func  fork
1642 check_func  gethrtime
1643 check_func  getrusage
1644 check_func  inet_aton $network_extralibs
1645 check_func  memalign
1646 check_func  mkstemp
1647 check_func_headers windows.h GetProcessTimes
1648
1649 check_header byteswap.h
1650 check_header conio.h
1651 check_header dlfcn.h
1652 check_header malloc.h
1653 check_header poll.h
1654 check_header sys/mman.h
1655 check_header sys/resource.h
1656 check_header sys/select.h
1657 check_header termios.h
1658
1659 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1660     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1661 fi
1662
1663 enabled  zlib && check_lib  zlib.h      zlibVersion -lz   || disable  zlib
1664 enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1665
1666 # check for some common methods of building with pthread support
1667 # do this before the optional library checks as some of them require pthreads
1668 if enabled pthreads; then
1669     if check_func pthread_create; then
1670         :
1671     elif check_func pthread_create -pthread; then
1672         add_cflags -pthread
1673         add_extralibs -pthread
1674     elif check_func pthread_create -pthreads; then
1675         add_cflags -pthreads
1676         add_extralibs -pthreads
1677     elif check_func pthread_create -lpthreadGC2; then
1678         add_extralibs -lpthreadGC2
1679     elif ! check_lib pthread.h pthread_create -lpthread; then
1680         die "ERROR: can't find pthreads library"
1681     fi
1682 fi
1683
1684 for thread in $THREADS_LIST; do
1685     if enabled $thread; then
1686         test -n "$thread_type" &&
1687             die "ERROR: Only one thread type must be selected." ||
1688             thread_type="$thread"
1689     fi
1690 done
1691
1692 check_lib math.h sin -lm
1693
1694 # test for C99 functions in math.h
1695 for func in llrint lrint lrintf round roundf; do
1696     check_exec <<EOF && enable $func || disable $func
1697 #include <math.h>
1698 int main(void) { return ($func(3.999f) > 0)?0:1; }
1699 EOF
1700 done
1701
1702 # these are off by default, so fail if requested and not available
1703 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1704 enabled liba52     && require  liba52 a52dec/a52.h a52_init -la52
1705 enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1706 enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1707 enabled libdirac   && add_cflags "$(pkg-config --cflags dirac)" \
1708                    && require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder \
1709                    && require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1710 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1711 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1712 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1713 enabled libmp3lame && require  LAME lame/lame.h lame_init -lmp3lame -lm
1714 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1715 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) \
1716                         && require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1717 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1718 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1719 enabled libx264    && require  x264 x264.h x264_encoder_open -lx264 -lm
1720 enabled libxvid    && require  Xvid xvid.h xvid_global -lxvidcore
1721 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1722
1723 # libdc1394 check
1724 if enabled libdc1394; then
1725     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1726         enable libdc1394_2; } ||
1727     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1728         enable libdc1394_1; } ||
1729     die "ERROR: No version of libdc1394 found "
1730 fi
1731
1732
1733 _restrict=
1734 for restrict_keyword in restrict __restrict__ __restrict; do
1735     check_cc <<EOF && _restrict=$restrict_keyword && break
1736 void foo(char * $restrict_keyword p);
1737 EOF
1738 done
1739
1740 test "$vhook" = "default" && vhook="$dlopen"
1741
1742 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1743     disable vhook
1744     echo
1745     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1746     echo "Patches welcome."
1747     echo
1748 fi
1749
1750 if enabled vhook; then
1751     check_ldflags -rdynamic
1752     check_ldflags -export-dynamic
1753 fi
1754
1755 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1756 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1757
1758 ##########################################
1759 # SDL check
1760
1761 disable sdl_too_old
1762 disable sdl
1763 SDL_CONFIG="${cross_prefix}sdl-config"
1764 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1765     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1766     temp_cflags $sdl_cflags
1767     temp_extralibs `"${SDL_CONFIG}" --libs`
1768     if check_lib2 SDL.h SDL_Init; then
1769         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1770         if test "$_sdlversion" -lt 121 ; then
1771             enable sdl_too_old
1772         else
1773             enable sdl
1774             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1775 #include <SDL.h>
1776 int main(int argc, char **argv){
1777     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1778     int w = vi->current_w;
1779     return 0;
1780 }
1781 EOF
1782         fi
1783     fi
1784     restore_flags
1785 fi
1786
1787 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1788
1789 ##########################################
1790 # Network check
1791
1792 if enabled network; then
1793     check_type sys/socket.h socklen_t
1794     # Prefer arpa/inet.h over winsock2
1795     if check_header arpa/inet.h ; then
1796         check_func closesocket
1797     elif check_header winsock2.h ; then
1798         network_extralibs="-lws2_32"
1799         check_type ws2tcpip.h socklen_t
1800         check_func_headers winsock2.h closesocket
1801     fi
1802 fi
1803
1804 ##########################################
1805 # IPv6 check
1806
1807 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1808 #include <sys/types.h>
1809 #include <sys/socket.h>
1810 #include <netinet/in.h>
1811 #include <netdb.h>
1812 int main(void) {
1813     struct sockaddr_storage saddr;
1814     struct ipv6_mreq mreq6;
1815     getaddrinfo(0,0,0,0);
1816     getnameinfo(0,0,0,0,0,0,0);
1817     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1818 }
1819 EOF
1820
1821 check_header linux/videodev.h
1822 check_header linux/videodev2.h
1823 check_header sys/videoio.h
1824
1825 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1826
1827 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1828 { check_header dev/bktr/ioctl_meteor.h &&
1829   check_header dev/bktr/ioctl_bt848.h; } ||
1830 { check_header machine/ioctl_meteor.h &&
1831   check_header machine/ioctl_bt848.h; } ||
1832 { check_header dev/video/meteor/ioctl_meteor.h &&
1833   check_header dev/video/bktr/ioctl_bt848.h; } ||
1834 check_header dev/ic/bt8xx.h
1835
1836 check_header sys/soundcard.h
1837 check_header soundcard.h
1838
1839 # deal with the X11 frame grabber
1840 enabled x11grab                         &&
1841 check_header X11/Xlib.h                 &&
1842 check_header X11/extensions/XShm.h      &&
1843 check_func XOpenDisplay -lX11           &&
1844 check_func XShmCreateImage -lX11 -lXext
1845
1846 enabled debug && add_cflags -g"$debuglevel"
1847
1848 # add some useful compiler flags if supported
1849 check_cflags -Wdeclaration-after-statement
1850 check_cflags -Wall
1851 check_cflags -Wno-switch
1852 check_cflags -Wdisabled-optimization
1853 check_cflags -Wpointer-arith
1854 check_cflags -Wredundant-decls
1855 check_cflags -Wno-pointer-sign
1856 check_cflags -Wcast-qual
1857 check_cflags -Wwrite-strings
1858 check_cflags -Wtype-limits
1859 enabled extra_warnings && check_cflags -Winline
1860
1861 # add some linker flags
1862 check_ldflags -Wl,--warn-common
1863 check_ldflags -Wl,--as-needed
1864 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'
1865 check_ldflags -Wl,-Bsymbolic
1866
1867 if enabled small; then
1868     check_cflags -Os            # not all compilers support -Os
1869     optimizations="small"
1870 elif enabled optimizations; then
1871     if $cc -v 2>&1 | grep -q xlc; then
1872         add_cflags  "-O5"
1873         add_ldflags "-O5"
1874     else
1875         add_cflags "-O3"
1876     fi
1877 fi
1878 check_cflags -fno-math-errno
1879 check_cflags -fno-signed-zeros
1880
1881 # add some flags for Intel C Compiler
1882 if $cc --version | grep -q Intel; then
1883   # Just warnings, no remarks
1884   check_cflags -w1
1885   # -wd: Disable following warnings
1886   # 144, 167, 556: -Wno-pointer-sign
1887   # 10006: ignoring unknown option -fno-signed-zeros
1888   # 10156: ignoring option '-W'; no argument required
1889   check_cflags -wd144,167,556,10006,10156
1890   # 11030: Warning unknown option --as-needed
1891   # 10156: ignoring option '-export'; no argument required
1892   check_ldflags -wd10156,11030
1893   # Allow to compile with optimizations
1894   check_ldflags -march=$cpu
1895 fi
1896
1897 # PIC flags for shared library objects where they are needed
1898 if enabled shared; then
1899     # LIBOBJFLAGS may have already been set in the OS configuration
1900     if test -z "$LIBOBJFLAGS" ; then
1901         case "$arch" in
1902             x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
1903         esac
1904     fi
1905 fi
1906
1907 if enabled gprof; then
1908     add_cflags  "-p"
1909     add_ldflags "-p"
1910 fi
1911
1912 VHOOKCFLAGS="-fPIC"
1913
1914 # Find out if the .align argument is a power of two or not.
1915 if test $asmalign_pot = "unknown"; then
1916     disable asmalign_pot
1917     echo 'asm (".align 3");' | check_cc && enable asmalign_pot
1918 fi
1919
1920 enabled_any $DECODER_LIST      && enable decoders
1921 enabled_any $ENCODER_LIST      && enable encoders
1922 enabled_any $BSF_LIST          && enable bsfs
1923 enabled_any $DEMUXER_LIST      && enable demuxers
1924 enabled_any $MUXER_LIST        && enable muxers
1925 enabled_any $FILTER_LIST       && enable filters
1926 enabled_any $INDEV_LIST        && enable demuxers
1927 enabled_any $OUTDEV_LIST       && enable muxers
1928 enabled_any $PROTOCOL_LIST     && enable protocols
1929
1930 enabled_any $THREADS_LIST      && enable threads
1931
1932 check_deps $CONFIG_LIST       \
1933            $HAVE_LIST         \
1934            $DECODER_LIST      \
1935            $ENCODER_LIST      \
1936            $PARSER_LIST       \
1937            $BSF_LIST          \
1938            $DEMUXER_LIST      \
1939            $MUXER_LIST        \
1940            $FILTER_LIST       \
1941            $INDEV_LIST        \
1942            $OUTDEV_LIST       \
1943            $PROTOCOL_LIST     \
1944
1945 enabled libdc1394 && append pkg_requires "libraw1394"
1946 enabled libdirac  && append pkg_requires "dirac"
1947 enabled libtheora && append pkg_requires "theora"
1948 enabled libvorbis && append pkg_requires "vorbisenc"
1949
1950 echo "install prefix            $prefix"
1951 echo "source path               $source_path"
1952 echo "C compiler                $cc"
1953 echo ".align is power-of-two    $asmalign_pot"
1954 echo "ARCH                      $arch ($cpu)"
1955 if test "$build_suffix" != ""; then
1956     echo "build suffix              $build_suffix"
1957 fi
1958 if test "$extra_version" != ""; then
1959     echo "version string suffix     $extra_version"
1960 fi
1961 echo "big-endian                ${bigendian-no}"
1962 if test $arch = "x86_32" -o $arch = "x86_64"; then
1963     echo "yasm                      ${yasm-no}"
1964     echo "MMX enabled               ${mmx-no}"
1965     echo "CMOV enabled              ${cmov-no}"
1966     echo "CMOV is fast              ${fast_cmov-no}"
1967     echo "EBX available             ${ebx_available-no}"
1968     echo "EBP available             ${ebp_available-no}"
1969 fi
1970 if test $arch = "armv4l"; then
1971     echo "ARMv5TE enabled           ${armv5te-no}"
1972     echo "ARMv6 enabled             ${armv6-no}"
1973     echo "ARM VFP enabled           ${armvfp-no}"
1974     echo "IWMMXT enabled            ${iwmmxt-no}"
1975     echo "NEON enabled              ${neon-no}"
1976 fi
1977 if test $arch = "mips"; then
1978     echo "MMI enabled               ${mmi-no}"
1979 fi
1980 if test $arch = "powerpc"; then
1981     echo "AltiVec enabled           ${altivec-no}"
1982     echo "dcbzl available           ${dcbzl-no}"
1983 fi
1984 echo "gprof enabled             ${gprof-no}"
1985 echo "debug symbols             ${debug-no}"
1986 echo "strip symbols             ${stripping-no}"
1987 echo "optimizations             ${optimizations-no}"
1988 echo "static                    ${static-no}"
1989 echo "shared                    ${shared-no}"
1990 echo "postprocessing support    ${postproc-no}"
1991 echo "software scaler enabled   ${swscale-no}"
1992 echo "new filter support        ${avfilter-no}"
1993 echo "filters using lavformat   ${avfilter_lavf-no}"
1994 echo "video hooking             ${vhook-no}"
1995 if enabled vhook; then
1996     echo "Imlib2 support            ${imlib2-no}"
1997     echo "FreeType support          ${freetype2-no}"
1998 fi
1999 echo "network support           ${network-no}"
2000 if enabled network; then
2001     echo "IPv6 support              ${ipv6-no}"
2002 fi
2003 echo "threading support         ${thread_type-no}"
2004 echo "SDL support               ${sdl-no}"
2005 if enabled sdl_too_old; then
2006     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2007 fi
2008 echo "Sun medialib support      ${mlib-no}"
2009 echo "AVISynth enabled          ${avisynth-no}"
2010 echo "liba52 support            ${liba52-no}"
2011 echo "liba52 dlopened           ${liba52bin-no}"
2012 echo "libamr-nb support         ${libamr_nb-no}"
2013 echo "libamr-wb support         ${libamr_wb-no}"
2014 echo "libdc1394 support         ${libdc1394-no}"
2015 echo "libdirac enabled          ${libdirac-no}"
2016 echo "libfaac enabled           ${libfaac-no}"
2017 echo "libfaad enabled           ${libfaad-no}"
2018 echo "libfaad dlopened          ${libfaadbin-no}"
2019 echo "libgsm enabled            ${libgsm-no}"
2020 echo "libmp3lame enabled        ${libmp3lame-no}"
2021 echo "libnut enabled            ${libnut-no}"
2022 echo "libschroedinger enabled   ${libschroedinger-no}"
2023 echo "libtheora enabled         ${libtheora-no}"
2024 echo "libvorbis enabled         ${libvorbis-no}"
2025 echo "libx264 enabled           ${libx264-no}"
2026 echo "libxvid enabled           ${libxvid-no}"
2027 echo "zlib enabled              ${zlib-no}"
2028 echo "bzlib enabled             ${bzlib-no}"
2029 echo
2030
2031 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2032     echo "Enabled ${type}s:"
2033     eval list=\$$(toupper $type)_LIST
2034     for part in $list; do
2035         enabled $part && echo ${part%_*}
2036     done | sort | pr -3 -t
2037     echo
2038 done
2039
2040 license="LGPL"
2041 if enabled nonfree; then
2042     license="unredistributable"
2043 elif enabled gpl; then
2044     license="GPL"
2045 fi
2046
2047 echo "License: $license"
2048
2049 echo "Creating config.mak and config.h..."
2050
2051 echo "# Automatically generated by configure - do not modify!" > config.mak
2052 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2053 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2054 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2055 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2056
2057 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2058 echo "prefix=$prefix" >> config.mak
2059 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2060 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2061 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2062 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2063 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2064 echo "CC=$cc" >> config.mak
2065 echo "YASM=$yasmexe" >> config.mak
2066 echo "AR=$ar" >> config.mak
2067 echo "RANLIB=$ranlib" >> config.mak
2068 echo "LN_S=$ln_s" >> config.mak
2069 enabled stripping &&
2070     echo "STRIP=$strip" >> config.mak ||
2071     echo "STRIP=echo ignoring strip" >> config.mak
2072
2073 echo "OPTFLAGS=$CFLAGS" >> config.mak
2074 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2075 echo "LDFLAGS=$LDFLAGS" >> config.mak
2076 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2077 echo "SHFLAGS=$SHFLAGS" >> config.mak
2078 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2079 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2080 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2081 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2082 echo "BUILD_STATIC=$static" >> config.mak
2083 echo "BUILDSUF=$build_suffix" >> config.mak
2084 echo "FULLNAME=$FULLNAME" >> config.mak
2085 echo "LIBPREF=$LIBPREF" >> config.mak
2086 echo "LIBSUF=$LIBSUF" >> config.mak
2087 echo "LIBNAME=$LIBNAME" >> config.mak
2088 echo "SLIBPREF=$SLIBPREF" >> config.mak
2089 echo "SLIBSUF=$SLIBSUF" >> config.mak
2090 echo "EXESUF=$EXESUF" >> config.mak
2091 echo "EXTRA_VERSION=$extra_version" >> config.mak
2092 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2093
2094 if enabled bigendian; then
2095     echo "WORDS_BIGENDIAN=yes" >> config.mak
2096     echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2097 fi
2098
2099 if enabled sdl; then
2100     echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2101     echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2102 fi
2103 if enabled texi2html; then
2104     echo "BUILD_DOC=yes" >> config.mak
2105 fi
2106
2107 get_version(){
2108     name=$1
2109     file=$source_path/$2
2110     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2111     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2112     lcname=$(tolower $name)
2113     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2114     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2115 }
2116
2117 get_version LIBSWSCALE  libswscale/swscale.h
2118 get_version LIBPOSTPROC libpostproc/postprocess.h
2119 get_version LIBAVCODEC  libavcodec/avcodec.h
2120 get_version LIBAVDEVICE libavdevice/avdevice.h
2121 get_version LIBAVFORMAT libavformat/avformat.h
2122 get_version LIBAVUTIL   libavutil/avutil.h
2123 get_version LIBAVFILTER libavfilter/avfilter.h
2124
2125 if enabled shared; then
2126     echo "BUILD_SHARED=yes" >> config.mak
2127     echo "PIC=-fPIC -DPIC" >> config.mak
2128     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2129     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2130     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2131     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2132     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2133     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2134     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2135     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2136 fi
2137 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2138 echo "EXTRALIBS=$extralibs" >> config.mak
2139
2140 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2141 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2142 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2143                                       $DECODER_LIST      \
2144                                       $ENCODER_LIST      \
2145                                       $PARSER_LIST       \
2146                                       $BSF_LIST          \
2147                                       $DEMUXER_LIST      \
2148                                       $MUXER_LIST        \
2149                                       $FILTER_LIST       \
2150                                       $PROTOCOL_LIST     \
2151                                       $INDEV_LIST        \
2152                                       $OUTDEV_LIST       \
2153
2154 echo "#define restrict $_restrict" >> $TMPH
2155
2156 if enabled small; then
2157     echo "#define av_always_inline"  >> $TMPH
2158 fi
2159
2160 echo "SRC_PATH=\"$source_path\"" >> config.mak
2161 echo "SRC_PATH_BARE=$source_path" >> config.mak
2162 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2163
2164 # Apparently it's not possible to portably echo a backslash.
2165 enabled asmalign_pot &&
2166     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2167     printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2168
2169 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2170
2171 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2172
2173 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2174 cmp -s $TMPH config.h &&
2175     echo "config.h is unchanged" ||
2176     mv -f $TMPH config.h
2177
2178 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2179
2180 # build tree in object directory if source path is different from current one
2181 if enabled source_path_used; then
2182     DIRS="\
2183         doc               \
2184         libavcodec        \
2185         libavcodec/alpha  \
2186         libavcodec/armv4l \
2187         libavcodec/bfin   \
2188         libavcodec/i386   \
2189         libavcodec/mlib   \
2190         libavcodec/ppc    \
2191         libavcodec/sh4    \
2192         libavcodec/sparc  \
2193         libavdevice       \
2194         libavfilter       \
2195         libavformat       \
2196         libavutil         \
2197         libpostproc       \
2198         libswscale        \
2199         tests             \
2200         tools             \
2201         vhook             \
2202         "
2203     FILES="\
2204         Makefile             \
2205         common.mak           \
2206         subdir.mak           \
2207         doc/texi2pod.pl      \
2208         libavcodec/Makefile  \
2209         libavdevice/Makefile \
2210         libavfilter/Makefile \
2211         libavformat/Makefile \
2212         libavutil/Makefile   \
2213         libpostproc/Makefile \
2214         libswscale/Makefile  \
2215         "
2216     for dir in $DIRS ; do
2217         mkdir -p $dir
2218     done
2219     for f in $FILES ; do
2220         $ln_s "$source_path/$f" $f
2221     done
2222 fi
2223
2224
2225 # build pkg-config files
2226
2227 pkgconfig_generate(){
2228 name=$1
2229 shortname=${name#lib}
2230 comment=$2
2231 version=$3
2232 libs=$4
2233 requires=$5
2234 cat <<EOF > $name/$name.pc
2235 prefix=$prefix
2236 exec_prefix=\${prefix}
2237 libdir=$libdir
2238 includedir=$incdir
2239
2240 Name: $name
2241 Description: $comment
2242 Version: $version
2243 Requires: $(disabled shared && echo $requires)
2244 Requires.private: $(enabled shared && echo $requires)
2245 Conflicts:
2246 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2247 Libs.private: $(enabled shared && echo $libs)
2248 Cflags: -I\${includedir}
2249 EOF
2250 cat <<EOF > $name/$name-uninstalled.pc
2251 prefix=
2252 exec_prefix=
2253 libdir=\${pcfiledir}
2254 includedir=\${pcfiledir}/..
2255
2256 Name: $name
2257 Description: $comment
2258 Version: $version
2259 Requires: $requires
2260 Conflicts:
2261 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2262 Cflags: -I\${includedir}
2263 EOF
2264 }
2265
2266 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2267 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2268 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2269 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2270 enabled avfilter &&
2271     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2272 enabled postproc &&
2273     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2274 if enabled swscale; then
2275     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2276 else
2277     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2278     apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2279 fi