configure

   1 #!/bin/sh
   2 #
   3 # FFmpeg configure script
   4 #
   5 # Copyright (c) 2000-2002 Fabrice Bellard
   6 # Copyright (c) 2005-2008 Diego Biurrun
   7 # Copyright (c) 2005-2008 Mans Rullgard
   8 #
   9
  10 # Prevent locale nonsense from breaking basic text processing.
  11 LC_ALL=C
  12 export LC_ALL
  13
  14 # make sure we are running under a compatible shell
  15 # try to make this part work with most shells
  16
  17 try_exec(){
  18     echo "Trying shell $1"
  19     type "$1" > /dev/null 2>&1 && exec "$@"
  20 }
  21
  22 unset foo
  23 (: ${foo%%bar}) 2> /dev/null
  24 E1="$?"
  25
  26 (: ${foo?}) 2> /dev/null
  27 E2="$?"
  28
  29 if test "$E1" != 0 || test "$E2" = 0; then
  30     echo "Broken shell detected.  Trying alternatives."
  31     export FF_CONF_EXEC
  32     if test "0$FF_CONF_EXEC" -lt 1; then
  33         FF_CONF_EXEC=1
  34         try_exec bash "$0" "$@"
  35     fi
  36     if test "0$FF_CONF_EXEC" -lt 2; then
  37         FF_CONF_EXEC=2
  38         try_exec ksh "$0" "$@"
  39     fi
  40     if test "0$FF_CONF_EXEC" -lt 3; then
  41         FF_CONF_EXEC=3
  42         try_exec /usr/xpg4/bin/sh "$0" "$@"
  43     fi
  44     echo "No compatible shell script interpreter found."
  45     echo "This configure script requires a POSIX-compatible shell"
  46     echo "such as bash or ksh."
  47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  48     echo "Instead, install a working POSIX-compatible shell."
  49     echo "Disabling this configure test will create a broken FFmpeg."
  50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  51         echo "This bash version ($BASH_VERSION) is broken on your platform."
  52         echo "Upgrade to a later version if available."
  53     fi
  54     exit 1
  55 fi
  56
  57 show_help(){
  58   echo "Usage: configure [options]"
  59   echo "Options: [defaults in brackets after descriptions]"
  60   echo
  61   echo "Standard options:"
  62   echo "  --help                   print this message"
  63   echo "  --logfile=FILE           log tests and output to FILE [config.err]"
  64   echo "  --disable-logging        do not log configure debug information"
  65   echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
  66   echo "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"
  67   echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
  68   echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
  69   echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
  70   echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
  71   echo "  --enable-static          build static libraries [default=yes]"
  72   echo "  --disable-static         do not build static libraries [default=no]"
  73   echo "  --enable-shared          build shared libraries [default=no]"
  74   echo "  --disable-shared         do not build shared libraries [default=yes]"
  75   echo "  --enable-gpl             allow use of GPL code, the resulting libav*"
  76   echo "                           and ffmpeg will be under GPL [default=no]"
  77   echo "  --enable-nonfree         allow use of nonfree code, the resulting libav*"
  78   echo "                           and ffmpeg will be unredistributable [default=no]"
  79   echo "  --enable-postproc        enable GPLed postprocessing support [default=no]"
  80   echo "  --enable-swscale         software scaler support [default=no]"
  81   echo "  --enable-avfilter        video filter support (replaces vhook) [default=no]"
  82   echo "  --enable-avfilter-lavf   video filters dependant on avformat [default=no]"
  83   echo "  --enable-beosthreads     use BeOS threads [default=no]"
  84   echo "  --enable-os2threads      use OS/2 threads [default=no]"
  85   echo "  --enable-pthreads        use pthreads [default=no]"
  86   echo "  --enable-w32threads      use Win32 threads [default=no]"
  87   echo "  --enable-x11grab         enable X11 grabbing [default=no]"
  88   echo
  89   echo "External library support:"
  90   echo "  --enable-mlib            use Sun medialib [default=no]"
  91   echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"
  92   echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec"
  93   echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec"
  94   echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
  95   echo "                           and libraw1394 [default=no]"
  96   echo "  --enable-libdirac        enable Dirac support via libdirac [default=no]"
  97   echo "  --enable-libfaac         enable FAAC support via libfaac [default=no]"
  98   echo "  --enable-libfaad         enable FAAD support via libfaad [default=no]"
  99   echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [default=no]"
 100   echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
 101   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no]"
 102   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
 103   echo "                           native demuxer exists [default=no]"
 104   echo "  --enable-libschroedinger enable Dirac support via libschroedinger [default=no]"
 105   echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
 106   echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
 107   echo "                           native implementation exists [default=no]"
 108   echo "  --enable-libx264         enable H.264 encoding via x264 [default=no]"
 109   echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
 110   echo "                           native MPEG-4/Xvid encoder exists [default=no]"
 111   echo ""
 112   echo "Advanced options (experts only):"
 113   echo "  --source-path=PATH       path to source code [$source_path]"
 114   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 115   echo "  --enable-cross-compile   assume a cross-compiler is used"
 116   echo "  --target-os=OS           compiler targets OS [$target_os]"
 117   echo "  --cc=CC                  use C compiler CC [$cc]"
 118   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 119   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 120   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 121   echo "  --extra-version=STRING   version string suffix []"
 122   echo "  --build-suffix=SUFFIX    suffix for application specific build []"
 123   echo "  --arch=ARCH              select architecture  [$arch]"
 124   echo "  --cpu=CPU                selects the minimum cpu required (affects"
 125   echo "                           instruction selection, may crash on older CPUs)"
 126   echo "  --enable-powerpc-perf    enable performance report on PPC"
 127   echo "                           (requires enabling PMC)"
 128   echo "  --disable-mmx            disable MMX usage"
 129   echo "  --disable-mmx2           disable MMX2 usage"
 130   echo "  --disable-ssse3          disable SSSE3 usage"
 131   echo "  --disable-armv5te        disable armv5te usage"
 132   echo "  --disable-armv6          disable armv6 usage"
 133   echo "  --disable-armvfp         disable ARM VFP usage"
 134   echo "  --disable-iwmmxt         disable iwmmxt usage"
 135   echo "  --disable-altivec        disable AltiVec usage"
 136   echo "  --disable-network        disable network support [default=no]"
 137   echo "  --disable-ipv6           disable ipv6 support [default=no]"
 138   echo "  --disable-zlib           disable zlib [default=no]"
 139   echo "  --disable-bzlib          disable bzlib [default=no]"
 140   echo "  --disable-vhook          disable video hooking support"
 141   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 142   echo "                           MPEG audio decoding [default=no]"
 143   echo "  --enable-gray            enable full grayscale support (slower color)"
 144   echo "  --disable-ffmpeg         disable ffmpeg build"
 145   echo "  --disable-ffserver       disable ffserver build"
 146   echo "  --disable-ffplay         disable ffplay build"
 147   echo "  --enable-small           optimize for size instead of speed"
 148   echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
 149   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 150   echo "  --disable-encoder=NAME   disables encoder NAME"
 151   echo "  --enable-encoder=NAME    enables encoder NAME"
 152   echo "  --disable-decoder=NAME   disables decoder NAME"
 153   echo "  --enable-decoder=NAME    enables decoder NAME"
 154   echo "  --disable-encoders       disables all encoders"
 155   echo "  --disable-decoders       disables all decoders"
 156   echo "  --disable-muxer=NAME     disables muxer NAME"
 157   echo "  --enable-muxer=NAME      enables muxer NAME"
 158   echo "  --disable-muxers         disables all muxers"
 159   echo "  --disable-demuxer=NAME   disables demuxer NAME"
 160   echo "  --enable-demuxer=NAME    enables demuxer NAME"
 161   echo "  --disable-demuxers       disables all demuxers"
 162   echo "  --enable-parser=NAME     enables parser NAME"
 163   echo "  --disable-parser=NAME    disables parser NAME"
 164   echo "  --disable-parsers        disables all parsers"
 165   echo "  --enable-bsf=NAME        enables bitstream filter NAME"
 166   echo "  --disable-bsf=NAME       disables bitstream filter NAME"
 167   echo "  --disable-bsfs           disables all bitstream filters"
 168   echo "  --enable-protocol=NAME   enables protocol NAME"
 169   echo "  --disable-protocol=NAME  disables protocol NAME"
 170   echo "  --disable-protocols      disables all protocols"
 171   echo "  --disable-devices        disables all devices"
 172   echo "  --enable-filter=NAME     enables filter NAME"
 173   echo "  --disable-filter=NAME    disables filter NAME"
 174   echo "  --disable-filters        disables all filters"
 175   echo "  --list-decoders          show all available decoders"
 176   echo "  --list-encoders          show all available encoders"
 177   echo "  --list-muxers            show all available muxers"
 178   echo "  --list-demuxers          show all available demuxers"
 179   echo "  --list-parsers           show all available parsers"
 180   echo "  --list-protocols         show all available protocols"
 181   echo "  --list-bsfs              show all available bitstream filters"
 182   echo "  --list-indevs            show all available input devices"
 183   echo "  --list-outdevs           show all available output devices"
 184   echo "  --list-filters           show all available filters"
 185   echo
 186   echo "Developer options (useful when working on FFmpeg itself):"
 187   echo "  --disable-debug          disable debugging symbols"
 188   echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
 189   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 190   echo "  --disable-optimizations  disable compiler optimizations"
 191   echo "  --enable-extra-warnings  enable more compiler warnings"
 192   echo "  --disable-stripping      disable stripping of executables and shared libraries"
 193   echo ""
 194   echo "NOTE: Object files are built at the place where configure is launched."
 195   exit 0
 196 }
 197
 198 log(){
 199     echo "$@" >> $logfile
 200 }
 201
 202 log_file(){
 203     log BEGIN $1
 204     pr -n -t $1 >> $logfile
 205     log END $1
 206 }
 207
 208 echolog(){
 209     log "$@"
 210     echo "$@"
 211 }
 212
 213 die(){
 214     echolog "$@"
 215     cat <<EOF
 216 If you think configure made a mistake, make sure you are using the latest
 217 version from SVN.  If the latest version fails, report the problem to the
 218 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 219 EOF
 220     if disabled logging; then
 221         cat <<EOF
 222 Rerun configure with logging enabled (do not use --disable-logging), and
 223 include the log this produces with your report.
 224 EOF
 225     else
 226 cat <<EOF
 227 Include the log file "$logfile" produced by configure as this will help
 228 solving the problem.
 229 EOF
 230     fi
 231     rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
 232     exit 1
 233 }
 234
 235 # Avoid locale weirdness, besides we really just want to translate ASCII.
 236 toupper(){
 237     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 238 }
 239
 240 tolower(){
 241     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 242 }
 243
 244 set_all(){
 245     value=$1
 246     shift
 247     for var in $*; do
 248         eval $var=$value
 249     done
 250 }
 251
 252 pushvar(){
 253     for var in $*; do
 254         eval level=\${${var}_level:=0}
 255         eval ${var}_${level}="\$$var"
 256         eval ${var}_level=$(($level+1))
 257     done
 258 }
 259
 260 popvar(){
 261     for var in $*; do
 262         eval level=\${${var}_level:-0}
 263         test $level = 0 && continue
 264         eval level=$(($level-1))
 265         eval $var="\${${var}_${level}}"
 266         eval ${var}_level=$level
 267         eval unset ${var}_${level}
 268     done
 269 }
 270
 271 enable(){
 272     set_all yes $*
 273 }
 274
 275 disable(){
 276     set_all no $*
 277 }
 278
 279 enabled(){
 280     test "${1#!}" = "$1" && op== || op=!=
 281     eval test "x\$${1#!}" $op "xyes"
 282 }
 283
 284 disabled(){
 285     test "${1#!}" = "$1" && op== || op=!=
 286     eval test "x\$${1#!}" $op "xno"
 287 }
 288
 289 enabled_all(){
 290     for opt; do
 291         enabled $opt || return 1
 292     done
 293 }
 294
 295 disabled_all(){
 296     for opt; do
 297         disabled $opt || return 1
 298     done
 299 }
 300
 301 enabled_any(){
 302     for opt; do
 303         enabled $opt && return 0
 304     done
 305 }
 306
 307 disabled_any(){
 308     for opt; do
 309         disabled $opt && return 0
 310     done
 311 }
 312
 313 set_default(){
 314     for opt; do
 315         eval test -z "\$$opt" && eval $opt=\$${opt}_default
 316     done
 317 }
 318
 319 is_in(){
 320     value=$1
 321     shift
 322     for var in $*; do
 323         [ $var = $value ] && return 0
 324     done
 325     return 1
 326 }
 327
 328 check_deps(){
 329     for cfg; do
 330         cfg="${cfg#!}"
 331         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 332         disabled ${cfg}_checking && continue
 333         enable ${cfg}_checking
 334
 335         eval dep_all="\$${cfg}_deps"
 336         eval dep_any="\$${cfg}_deps_any"
 337
 338         pushvar cfg dep_all dep_any
 339         check_deps $dep_all $dep_any
 340         popvar cfg dep_all dep_any
 341
 342         enabled_all $dep_all || disable $cfg
 343         enabled_any $dep_any || disable $cfg
 344
 345         if enabled $cfg; then
 346             eval dep_extralibs="\$${cfg}_extralibs"
 347             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 348         fi
 349
 350         disable ${cfg}_checking
 351     done
 352 }
 353
 354 print_config(){
 355     pfx=$1
 356     header=$2
 357     makefile=$3
 358     shift 3
 359     for cfg; do
 360         ucname="`toupper $cfg`"
 361         if enabled $cfg; then
 362             echo "#define ${pfx}${ucname} 1" >> $header
 363             echo "#define ENABLE_${ucname} 1" >> $header
 364             echo "${pfx}${ucname}=yes" >> $makefile
 365         else
 366             echo "#define ENABLE_${ucname} 0" >> $header
 367         fi
 368     done
 369 }
 370
 371 flags_saved(){
 372     (: ${SAVE_CFLAGS?}) 2> /dev/null
 373 }
 374
 375 save_flags(){
 376     flags_saved && return
 377     SAVE_CFLAGS="$CFLAGS"
 378     SAVE_LDFLAGS="$LDFLAGS"
 379     SAVE_extralibs="$extralibs"
 380 }
 381
 382 restore_flags(){
 383     flags_saved || return
 384     CFLAGS="$SAVE_CFLAGS"
 385     LDFLAGS="$SAVE_LDFLAGS"
 386     extralibs="$SAVE_extralibs"
 387     unset SAVE_CFLAGS
 388     unset SAVE_LDFLAGS
 389     unset SAVE_extralibs
 390 }
 391
 392 temp_cflags(){
 393     save_flags
 394     CFLAGS="$CFLAGS $*"
 395 }
 396
 397 temp_ldflags(){
 398     save_flags
 399     LDFLAGS="$LDFLAGS $*"
 400 }
 401
 402 temp_extralibs(){
 403     save_flags
 404     extralibs="$extralibs $*"
 405 }
 406
 407 append(){
 408     var=$1
 409     shift
 410     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 411     eval "$var=\"\$$var $*\""
 412 }
 413
 414 add_cflags(){
 415     append CFLAGS "$@"
 416 }
 417
 418 add_ldflags(){
 419     append LDFLAGS "$@"
 420 }
 421
 422 add_extralibs(){
 423     append extralibs "$@"
 424 }
 425
 426 check_cmd(){
 427     log "$@"
 428     "$@" >> $logfile 2>&1
 429 }
 430
 431 check_cc(){
 432     log check_cc "$@"
 433     cat > $TMPC
 434     log_file $TMPC
 435     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 436 }
 437
 438 check_cpp(){
 439     log check_cpp "$@"
 440     cat > $TMPC
 441     log_file $TMPC
 442     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 443 }
 444
 445 check_asm(){
 446     log check_asm "$@"
 447     name="$1"
 448     asm="$2"
 449     shift 2
 450     check_cc "$@" <<EOF && enable $name || disable $name
 451 int foo(void){ __asm__ volatile($asm); }
 452 EOF
 453 }
 454
 455 check_yasm(){
 456     log check_yasm "$@"
 457     echo "$1" > $TMPS
 458     log_file $TMPS
 459     shift 1
 460     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 461 }
 462
 463 check_ld(){
 464     log check_ld "$@"
 465     check_cc || return
 466     flags=''
 467     libs=''
 468     for f; do
 469         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 470     done
 471     check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 472 }
 473
 474 check_cflags(){
 475     log check_cflags "$@"
 476     check_cc "$@" <<EOF && add_cflags "$@"
 477 int x;
 478 EOF
 479 }
 480
 481 check_ldflags(){
 482     log check_ldflags "$@"
 483     check_ld "$@" <<EOF && add_ldflags "$@"
 484 int main(void){ return 0; }
 485 EOF
 486 }
 487
 488 check_header(){
 489     log check_header "$@"
 490     header=$1
 491     shift
 492     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 493     disable $var
 494     check_cpp "$@" <<EOF && enable $var
 495 #include <$header>
 496 int x;
 497 EOF
 498 }
 499
 500 check_func(){
 501     log check_func "$@"
 502     func=$1
 503     shift
 504     disable $func
 505     check_ld "$@" <<EOF && enable $func
 506 extern int $func();
 507 int main(void){ $func(); }
 508 EOF
 509 }
 510
 511 check_func_headers(){
 512     log check_func_headers "$@"
 513     headers=$1
 514     func=$2
 515     shift 2
 516     disable $func
 517     incs=""
 518     for hdr in $headers; do
 519         incs="$incs
 520 #include <$hdr>"
 521     done
 522     check_ld "$@" <<EOF && enable $func
 523 $incs
 524 int main(int argc, char **argv){
 525     (void) $func;
 526     return 0;
 527 }
 528 EOF
 529 }
 530
 531 check_cpp_condition(){
 532     log check_cpp_condition "$@"
 533     header=$1
 534     condition=$2
 535     check_cpp <<EOF
 536 #include <$header>
 537 #if !($condition)
 538 #error "unsatisfied condition: $condition"
 539 #endif
 540 EOF
 541 }
 542
 543 check_lib(){
 544     log check_lib "$@"
 545     header="$1"
 546     func="$2"
 547     shift 2
 548     temp_extralibs "$@"
 549     check_header $header && check_func $func && add_extralibs "$@"
 550     err=$?
 551     restore_flags
 552     return $err
 553 }
 554
 555 check_lib2(){
 556     log check_lib2 "$@"
 557     headers="$1"
 558     func="$2"
 559     shift 2
 560     temp_extralibs "$@"
 561     check_func_headers "$headers" $func && add_extralibs "$@"
 562     err=$?
 563     restore_flags
 564     return $err
 565 }
 566
 567 check_exec(){
 568     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 569 }
 570
 571 check_exec_crash(){
 572     code=`cat`
 573
 574     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 575     # are safe but may not be available everywhere.  Thus we use
 576     # raise(SIGTERM) instead.  The check is run in a subshell so we
 577     # can redirect the "Terminated" message from the shell.  SIGBUS
 578     # is not defined by standard C so it is used conditionally.
 579
 580     (check_exec "$@") >> $logfile 2>&1 <<EOF
 581 #include <signal.h>
 582 static void sighandler(int sig){
 583     raise(SIGTERM);
 584 }
 585 int main(void){
 586     signal(SIGILL, sighandler);
 587     signal(SIGFPE, sighandler);
 588     signal(SIGSEGV, sighandler);
 589 #ifdef SIGBUS
 590     signal(SIGBUS, sighandler);
 591 #endif
 592     { $code }
 593 }
 594 EOF
 595 }
 596
 597 check_type(){
 598     log check_type "$@"
 599     headers=$1
 600     type=$2
 601     shift 2
 602     disable $type
 603     incs=""
 604     for hdr in $headers; do
 605         incs="$incs
 606 #include <$hdr>"
 607     done
 608     check_cc "$@" <<EOF && enable $type
 609 $incs
 610 $type v;
 611 EOF
 612 }
 613
 614 require(){
 615     name="$1"
 616     header="$2"
 617     func="$3"
 618     shift 3
 619     check_lib $header $func "$@" || die "ERROR: $name not found"
 620 }
 621
 622 require2(){
 623     name="$1"
 624     headers="$2"
 625     func="$3"
 626     shift 3
 627     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 628 }
 629
 630 check_foo_config(){
 631     cfg=$1
 632     pkg=$2
 633     header=$3
 634     func=$4
 635     shift 4
 636     disable $cfg
 637     check_cmd ${pkg}-config --version
 638     err=$?
 639     if test "$err" = 0; then
 640         temp_cflags `${pkg}-config --cflags`
 641         temp_extralibs `${pkg}-config --libs`
 642         check_lib "$@" $header $func && enable $cfg
 643     fi
 644     return $err
 645 }
 646
 647 apply(){
 648     file=$1
 649     shift
 650     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 651 }
 652
 653 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 654 # system-dependent things.
 655
 656 COMPONENT_LIST="
 657     bsfs
 658     decoders
 659     demuxers
 660     encoders
 661     filters
 662     indevs
 663     muxers
 664     outdevs
 665     parsers
 666     protocols
 667 "
 668
 669 CONFIG_LIST="
 670     $COMPONENT_LIST
 671     avfilter
 672     avfilter_lavf
 673     avisynth
 674     beos_netserver
 675     bzlib
 676     ffmpeg
 677     ffplay
 678     ffserver
 679     gpl
 680     gprof
 681     gray
 682     hardcoded_tables
 683     ipv6
 684     libamr_nb
 685     libamr_wb
 686     libdc1394
 687     libdirac
 688     libfaac
 689     libfaad
 690     libfaadbin
 691     libgsm
 692     libmp3lame
 693     libnut
 694     libschroedinger
 695     libtheora
 696     libvorbis
 697     libx264
 698     libxvid
 699     memalign_hack
 700     mlib
 701     mpegaudio_hp
 702     network
 703     nonfree
 704     postproc
 705     powerpc_perf
 706     small
 707     swscale
 708     vhook
 709     x11grab
 710     zlib
 711 "
 712
 713 THREADS_LIST='
 714     beosthreads
 715     os2threads
 716     pthreads
 717     w32threads
 718 '
 719
 720 ARCH_LIST='
 721     alpha
 722     armv4l
 723     bfin
 724     ia64
 725     m68k
 726     mips
 727     parisc
 728     powerpc
 729     s390
 730     sh4
 731     sparc
 732     sparc64
 733     x86
 734     x86_32
 735     x86_64
 736 '
 737
 738 ARCH_EXT_LIST='
 739     altivec
 740     armv5te
 741     armv6
 742     armvfp
 743     iwmmxt
 744     mmi
 745     mmx
 746     mmx2
 747     neon
 748     ssse3
 749     vis
 750 '
 751
 752 HAVE_LIST="
 753     $ARCH_EXT_LIST
 754     $THREADS_LIST
 755     altivec_h
 756     arpa_inet_h
 757     bswap
 758     closesocket
 759     cmov
 760     conio_h
 761     dcbzl
 762     dev_bktr_ioctl_bt848_h
 763     dev_bktr_ioctl_meteor_h
 764     dev_ic_bt8xx_h
 765     dev_video_meteor_ioctl_meteor_h
 766     dev_video_bktr_ioctl_bt848_h
 767     dlfcn_h
 768     dlopen
 769     dos_paths
 770     ebp_available
 771     ebx_available
 772     fast_64bit
 773     fast_cmov
 774     fast_unaligned
 775     fork
 776     freetype2
 777     gethrtime
 778     GetProcessTimes
 779     getrusage
 780     imlib2
 781     inet_aton
 782     inline_asm
 783     libdc1394_1
 784     libdc1394_2
 785     llrint
 786     lrint
 787     lrintf
 788     machine_ioctl_bt848_h
 789     machine_ioctl_meteor_h
 790     malloc_h
 791     memalign
 792     mkstemp
 793     pld
 794     ppc64
 795     round
 796     roundf
 797     sdl
 798     sdl_video_size
 799     socklen_t
 800     soundcard_h
 801     poll_h
 802     sys_mman_h
 803     sys_resource_h
 804     sys_select_h
 805     sys_soundcard_h
 806     sys_videoio_h
 807     termios_h
 808     threads
 809     winsock2_h
 810     yasm
 811 "
 812
 813 CMDLINE_SELECT="
 814     $ARCH_EXT_LIST
 815     $CONFIG_LIST
 816     $THREADS_LIST
 817     cross_compile
 818     debug
 819     extra_warnings
 820     logging
 821     optimizations
 822     shared
 823     static
 824     stripping
 825 "
 826
 827 PATHS_LIST='
 828     bindir
 829     incdir
 830     libdir
 831     mandir
 832     prefix
 833     shlibdir
 834 '
 835
 836 CMDLINE_SET="
 837     $PATHS_LIST
 838     arch
 839     build_suffix
 840     cc
 841     cpu
 842     cross_prefix
 843     extra_version
 844     logfile
 845     source_path
 846     target_os
 847 "
 848
 849 # code dependency declarations
 850
 851 # architecture extensions
 852 altivec_deps="powerpc"
 853 armv5te_deps="armv4l"
 854 armv6_deps="armv4l"
 855 armvfp_deps="armv4l"
 856 iwmmxt_deps="armv4l"
 857 mmi_deps="mips"
 858 mmx_deps="x86"
 859 mmx2_deps="x86 mmx"
 860 neon_deps="armv4l"
 861 ssse3_deps="x86"
 862 vis_deps="sparc"
 863
 864 # decoders / encoders
 865 ac3_decoder_deps="gpl"
 866 dxa_decoder_deps="zlib"
 867 eac3_decoder_deps="gpl"
 868 flashsv_decoder_deps="zlib"
 869 flashsv_encoder_deps="zlib"
 870 mlp_decoder_deps="mlp_parser"
 871 mpeg_xvmc_decoder_deps="xvmc"
 872 png_decoder_deps="zlib"
 873 png_encoder_deps="zlib"
 874 zmbv_decoder_deps="zlib"
 875 zmbv_encoder_deps="zlib"
 876
 877 # external libraries
 878 libamr_nb_decoder_deps="libamr_nb"
 879 libamr_nb_encoder_deps="libamr_nb"
 880 libamr_wb_decoder_deps="libamr_wb"
 881 libamr_wb_encoder_deps="libamr_wb"
 882 libdirac_decoder_deps="libdirac !libschroedinger"
 883 libdirac_encoder_deps="libdirac"
 884 libfaac_encoder_deps="libfaac"
 885 libfaad_decoder_deps="libfaad"
 886 libfaadbin_decoder_extralibs='$ldl'
 887 libgsm_decoder_deps="libgsm"
 888 libgsm_encoder_deps="libgsm"
 889 libgsm_ms_decoder_deps="libgsm"
 890 libgsm_ms_encoder_deps="libgsm"
 891 libmp3lame_encoder_deps="libmp3lame"
 892 libschroedinger_decoder_deps="libschroedinger"
 893 libschroedinger_encoder_deps="libschroedinger"
 894 libtheora_encoder_deps="libtheora"
 895 libvorbis_encoder_deps="libvorbis"
 896 libx264_encoder_deps="libx264"
 897 libxvid_encoder_deps="libxvid"
 898 mpeg4aac_decoder_deps="libfaad"
 899
 900 # demuxers / muxers
 901 ac3_demuxer_deps="ac3_parser"
 902 audio_beos_demuxer_deps="audio_beos"
 903 audio_beos_demuxer_extralibs="-lmedia -lbe"
 904 audio_beos_muxer_deps="audio_beos"
 905 audio_beos_muxer_extralibs="-lmedia -lbe"
 906 avisynth_demuxer_deps="avisynth"
 907 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
 908 dirac_demuxer_deps="dirac_parser"
 909 dv1394_demuxer_deps="dv1394 dv_demuxer"
 910 libdc1394_demuxer_deps="libdc1394"
 911 libnut_demuxer_deps="libnut"
 912 libnut_muxer_deps="libnut"
 913 mp3_demuxer_deps="mpegaudio_parser"
 914 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
 915 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
 916 redir_demuxer_deps="network"
 917 rtp_muxer_deps="network rtp_protocol"
 918 rtsp_demuxer_deps="sdp_demuxer"
 919 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
 920 v4l_demuxer_deps="linux_videodev_h"
 921 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
 922 vfwcap_demuxer_deps="capCreateCaptureWindow"
 923 vfwcap_demuxer_extralibs="-lvfw32"
 924 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
 925 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
 926
 927 # protocols
 928 http_protocol_deps="network"
 929 rtp_protocol_deps="udp_protocol"
 930 tcp_protocol_deps="network"
 931 udp_protocol_deps="network"
 932
 933 # filters
 934 movie_filter_deps="avfilter_lavf"
 935
 936 # programs
 937 ffplay_deps="sdl"
 938 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
 939 ffserver_extralibs='$ldl'
 940 vhook_extralibs='$ldl'
 941
 942
 943 # default parameters
 944
 945 logfile="config.err"
 946
 947 # installation paths
 948 prefix_default="/usr/local"
 949 bindir_default='${prefix}/bin'
 950 incdir_default='${prefix}/include'
 951 libdir_default='${prefix}/lib'
 952 mandir_default='${prefix}/share/man'
 953 shlibdir_default="$libdir_default"
 954
 955 # toolchain
 956 cc_default="gcc"
 957 yasmexe="yasm"
 958 ar="ar"
 959 nm="nm"
 960 ranlib="ranlib"
 961 strip="strip"
 962 asmalign_pot="unknown"
 963 ln_s="ln -sf"
 964 objformat="elf"
 965
 966 # machine
 967 arch=`uname -m`
 968 cpu="generic"
 969
 970 # OS
 971 target_os=$(tolower $(uname -s))
 972
 973 # libraries
 974 enable bzlib
 975 enable zlib
 976
 977 # configurable options
 978 enable debug
 979 enable ffmpeg
 980 enable ffplay
 981 enable ffserver
 982 enable ipv6
 983 enable mpegaudio_hp
 984 enable network
 985 enable optimizations
 986 enable protocols
 987 enable static
 988 enable stripping
 989 vhook="default"
 990
 991 # build settings
 992 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
 993 SHFLAGS='-shared -Wl,-soname,$$(@F)'
 994 VHOOKSHFLAGS='$(SHFLAGS)'
 995 FFSERVERLDFLAGS=-Wl,-E
 996 LIBPREF="lib"
 997 LIBSUF=".a"
 998 FULLNAME='$(NAME)$(BUILDSUF)'
 999 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1000 SLIBPREF="lib"
1001 SLIBSUF=".so"
1002 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1003 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1004 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1005 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1006
1007 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1008 # full relative path for objects in subdirectories for non-recursive Make.
1009 DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "1s,^,$(@D)/," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
1010
1011 # find source path
1012 source_path="`dirname \"$0\"`"
1013 enable source_path_used
1014 if test -z "$source_path" -o "$source_path" = "." ; then
1015     source_path="`pwd`"
1016     disable source_path_used
1017 else
1018     source_path="`cd \"$source_path\"; pwd`"
1019     echo "$source_path" | grep -q '[[:blank:]]' &&
1020         die "Out of tree builds are impossible with whitespace in source path."
1021 fi
1022
1023 FFMPEG_CONFIGURATION="$@"
1024
1025 find_things(){
1026     thing=$1
1027     pattern=$2
1028     file=$source_path/$3
1029     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1030 }
1031
1032 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1033 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1034 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1035 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1036 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1037 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1038 OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1039 INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1040 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1041 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1042
1043 enable $ARCH_EXT_LIST \
1044        $DECODER_LIST \
1045        $ENCODER_LIST \
1046        $PARSER_LIST \
1047        $BSF_LIST \
1048        $DEMUXER_LIST \
1049        $MUXER_LIST \
1050        $FILTER_LIST \
1051        $PROTOCOL_LIST \
1052        $INDEV_LIST \
1053        $OUTDEV_LIST \
1054
1055 die_unknown(){
1056     echo "Unknown option \"$1\"."
1057     echo "See $0 --help for available options."
1058     exit 1
1059 }
1060
1061 show_list() {
1062     suffix=_$1
1063     shift
1064     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1065     exit 0
1066 }
1067
1068 for opt do
1069     optval="${opt#*=}"
1070     case "$opt" in
1071     --extra-cflags=*) add_cflags "$optval"
1072     ;;
1073     --extra-ldflags=*) add_ldflags "$optval"
1074     ;;
1075     --extra-libs=*) add_extralibs "$optval"
1076     ;;
1077     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1078     ;;
1079     --enable-debug=*) debuglevel="$optval"
1080     ;;
1081     --enable-*=*|--disable-*=*)
1082     eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1083     case "$thing" in
1084         encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1085         *) die_unknown "$opt" ;;
1086     esac
1087     ;;
1088     --enable-?*|--disable-?*)
1089     eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1090     if is_in $option $COMPONENT_LIST; then
1091         eval $action \$$(toupper ${option%s})_LIST
1092     elif is_in $option $CMDLINE_SELECT; then
1093         $action $option
1094     else
1095         die_unknown $opt
1096     fi
1097     ;;
1098     --list-*)
1099         NAME="${opt#--list-}"
1100         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1101         NAME=${NAME%s}
1102         eval show_list $NAME \$$(toupper $NAME)_LIST
1103     ;;
1104     --help|-h) show_help
1105     ;;
1106     *)
1107     optname="${opt%%=*}"
1108     optname="${optname#--}"
1109     optname=$(echo "$optname" | sed 's/-/_/g')
1110     is_in $optname $CMDLINE_SET || die_unknown $opt
1111     eval $optname='$optval'
1112     ;;
1113     esac
1114 done
1115
1116 disabled logging && logfile=/dev/null
1117
1118 echo "# $0 $@" > $logfile
1119 set >> $logfile
1120
1121 cc_default="${cross_prefix}${cc_default}"
1122 yasmexe="${cross_prefix}${yasmexe}"
1123 ar="${cross_prefix}${ar}"
1124 nm="${cross_prefix}${nm}"
1125 ranlib="${cross_prefix}${ranlib}"
1126 strip="${cross_prefix}${strip}"
1127
1128 set_default cc
1129
1130 # set temporary file name
1131 if test ! -z "$TMPDIR" ; then
1132     TMPDIR1="${TMPDIR}"
1133 elif test ! -z "$TEMPDIR" ; then
1134     TMPDIR1="${TEMPDIR}"
1135 else
1136     TMPDIR1="/tmp"
1137 fi
1138
1139 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1140 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1141 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1142 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1143 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1144 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1145
1146 check_cflags -std=c99
1147
1148 case "$arch" in
1149     i386|i486|i586|i686|i86pc|BePC)
1150         arch="x86_32"
1151         enable fast_unaligned
1152     ;;
1153     x86_64|amd64)
1154         arch="x86_32"
1155         enable fast_unaligned
1156         check_cc <<EOF && enable fast_64bit && arch="x86_64"
1157         int test[sizeof(char*) - 7];
1158 EOF
1159     ;;
1160     # armv4l is a subset of armv[567]*l
1161     arm|armv[4567]*l)
1162         arch="armv4l"
1163     ;;
1164     alpha)
1165         arch="alpha"
1166         enable fast_64bit
1167     ;;
1168     "Power Macintosh"|ppc|powerpc)
1169         arch="powerpc"
1170         enable fast_unaligned
1171     ;;
1172     ppc64)
1173         arch="powerpc"
1174         enable fast_64bit
1175         enable fast_unaligned
1176     ;;
1177     mips|mipsel|IP*)
1178         arch="mips"
1179     ;;
1180     sun4u|sparc64)
1181         arch="sparc64"
1182         enable fast_64bit
1183     ;;
1184     sparc)
1185         arch="sparc"
1186     ;;
1187     sh4)
1188         arch="sh4"
1189     ;;
1190     parisc)
1191         arch="parisc"
1192     ;;
1193     parisc64)
1194         arch="parisc"
1195         enable fast_64bit
1196     ;;
1197     s390|s390x)
1198         arch="s390"
1199     ;;
1200     m68k)
1201         arch="m68k"
1202     ;;
1203     ia64)
1204         arch="ia64"
1205         enable fast_64bit
1206     ;;
1207     bfin)
1208         arch="bfin"
1209     ;;
1210     *)
1211         arch="unknown"
1212     ;;
1213 esac
1214
1215 enable $arch
1216 enabled_any x86_32 x86_64 && enable x86
1217 enabled     sparc64       && enable sparc
1218
1219 # OS specific
1220 case $target_os in
1221     beos|haiku|zeta)
1222         prefix_default="$HOME/config"
1223         # helps building libavcodec
1224         add_cflags "-DPIC -fomit-frame-pointer"
1225         # 3 gcc releases known for BeOS, each with ugly bugs
1226         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1227         case "$gcc_version" in
1228           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1229             disable mmx
1230             ;;
1231           *20010315*) echo "BeBits gcc"
1232             add_cflags "-fno-expensive-optimizations"
1233             ;;
1234         esac
1235         SHFLAGS=-nostart
1236         # enable BeOS things
1237         enable audio_beos
1238         # no need for libm, but the inet stuff
1239         # Check for BONE
1240         # XXX: actually should check for NOT net_server
1241         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1242             network_extralibs="-lbind -lsocket"
1243         else
1244             enable beos_netserver
1245             network_extralibs="-lnet"
1246         fi ;;
1247     sunos)
1248         FFSERVERLDFLAGS=""
1249         SHFLAGS='-shared -Wl,-h,$$(@F)'
1250         network_extralibs="-lsocket -lnsl"
1251         ;;
1252     netbsd)
1253         oss_demuxer_extralibs="-lossaudio"
1254         oss_muxer_extralibs="-lossaudio"
1255         ;;
1256     openbsd)
1257         disable need_memalign
1258         LIBOBJFLAGS='$(PIC)'
1259         SHFLAGS='-shared'
1260         SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1261         SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1262         SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1263         oss_demuxer_extralibs="-lossaudio"
1264         oss_muxer_extralibs="-lossaudio"
1265         ;;
1266     freebsd)
1267         disable need_memalign
1268         ;;
1269     bsd/os)
1270         osextralibs="-lpoll -lgnugetopt"
1271         strip="strip -d"
1272         ;;
1273     darwin)
1274         disable need_memalign
1275         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1276         VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1277         strip="strip -x"
1278         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1279         SLIBSUF=".dylib"
1280         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1281         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1282         FFSERVERLDFLAGS=-Wl,-bind_at_load
1283         objformat="macho"
1284         enabled x86_64 && objformat="macho64"
1285         ;;
1286     mingw32*)
1287         target_os=mingw32
1288         LIBTARGET=i386
1289         if test $arch = x86_64; then
1290             disable need_memalign
1291             LIBTARGET=x64
1292         fi
1293         shlibdir_default="$bindir_default"
1294         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1295         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1296         if enabled swscale; then
1297             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1298             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1299         fi
1300         disable ffserver
1301         SLIBPREF=""
1302         SLIBSUF=".dll"
1303         EXESUF=".exe"
1304         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1305         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1306         SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1307         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1308             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1309         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1310         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1311         objformat="win32"
1312         enable dos_paths
1313         ;;
1314     cygwin*)
1315         target_os=cygwin
1316         shlibdir_default="$bindir_default"
1317         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1318         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1319         if enabled swscale; then
1320             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1321             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1322         fi
1323         EXESUF=".exe"
1324         SLIBPREF="cyg"
1325         SLIBSUF=".dll"
1326         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1327         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1328         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1329         objformat="win32"
1330         enable dos_paths
1331         ;;
1332     *-dos|freedos|opendos)
1333         disable ffplay ffserver vhook
1334         disable $INDEV_LIST $OUTDEV_LIST
1335         network_extralibs="-lsocket"
1336         EXESUF=".exe"
1337         objformat="win32"
1338         enable dos_paths
1339         ;;
1340     linux)
1341         enable dv1394
1342         ;;
1343     irix*)
1344         target_os=irix
1345         ranlib="echo ignoring ranlib"
1346         ;;
1347     os/2*)
1348         strip="lxlite"
1349         ln_s="cp -f"
1350         EXESUF=".exe"
1351         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1352         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1353         FFSERVERLDFLAGS=""
1354         LIBSUF="_s.a"
1355         SLIBPREF=""
1356         SLIBSUF=".dll"
1357         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1358         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1359         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1360           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1361           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1362           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1363           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1364           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1365         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1366           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1367         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1368         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1369         disable vhook
1370         enable dos_paths
1371         ;;
1372     interix)
1373         disable vhook
1374         ;;
1375
1376     *)
1377         target_os="${target_os}-UNKNOWN"
1378         ;;
1379 esac
1380
1381 set_default $PATHS_LIST
1382
1383 add_extralibs $osextralibs
1384
1385 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1386 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1387
1388 test -n "$cross_prefix" && enable cross_compile
1389
1390 # we need to build at least one lib type
1391 if ! enabled_any static shared; then
1392     cat <<EOF
1393 At least one library type must be built.
1394 Specify --enable-static to build the static libraries or --enable-shared to
1395 build the shared libraries as well. To only build the shared libraries specify
1396 --disable-static in addition to --enable-shared.
1397 EOF
1398     exit 1;
1399 fi
1400
1401 disabled static && LIBNAME=""
1402
1403 if enabled_any libfaad libfaadbin ; then
1404     if check_header faad.h; then
1405         check_cc <<EOF
1406 #include <faad.h>
1407 #ifndef FAAD2_VERSION
1408 ok faad1
1409 #endif
1410 int main(void) { return 0; }
1411 EOF
1412         test $? = 0 && enable libfaad2
1413     else
1414         die "FAAD test failed."
1415     fi
1416 fi
1417
1418
1419 if ! enabled gpl; then
1420     die_gpl_disabled(){
1421         name=$1
1422         shift
1423         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1424     }
1425     die_gpl_disabled "The Postprocessing code" postproc
1426     die_gpl_disabled "libx264"                 libx264
1427     die_gpl_disabled "libxvidcore"             libxvid
1428     die_gpl_disabled "FAAD2"                   libfaad2
1429     die_gpl_disabled "The X11 grabber"         x11grab
1430     die_gpl_disabled "The software scaler"     swscale
1431 fi
1432
1433 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1434     die "libamr is nonfree and --enable-nonfree is not specified."
1435 fi
1436
1437 check_deps $ARCH_EXT_LIST
1438
1439 test -z "$need_memalign" && need_memalign="$mmx"
1440
1441 #Darwin CC versions
1442 if test $target_os = darwin; then
1443     if $cc -v 2>&1 | grep -q xlc; then
1444         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1445     else
1446         add_cflags "-pipe"
1447         check_cflags "-force_cpusubtype_ALL"
1448         check_cflags "-Wno-sign-compare"
1449         enabled shared || check_cflags -mdynamic-no-pic
1450     fi
1451 fi
1452
1453 disabled optimizations || check_cflags -fomit-frame-pointer
1454
1455 # Add processor-specific flags
1456 if test $cpu != "generic"; then
1457     warn_altivec(){
1458         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1459     }
1460     case $cpu in
1461         601|ppc601|PowerPC601)
1462             add_cflags "-mcpu=601"
1463             warn_altivec enabled PPC601
1464         ;;
1465         603*|ppc603*|PowerPC603*)
1466             add_cflags "-mcpu=603"
1467             warn_altivec enabled PPC603
1468         ;;
1469         604*|ppc604*|PowerPC604*)
1470             add_cflags "-mcpu=604"
1471             warn_altivec enabled PPC604
1472         ;;
1473         G3|g3|75*|ppc75*|PowerPC75*)
1474             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1475             warn_altivec enabled PPC75x
1476         ;;
1477         G4|g4|745*|ppc745*|PowerPC745*)
1478             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1479             warn_altivec disabled PPC745x
1480         ;;
1481         74*|ppc74*|PowerPC74*)
1482             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1483             warn_altivec disabled PPC74xx
1484         ;;
1485         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1486             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1487             warn_altivec disabled PPC970
1488             enable ppc64
1489         ;;
1490         Cell|CELL|cell)
1491             add_cflags "-mcpu=cell"
1492             warn_altivec disabled Cell
1493             enable ppc64
1494         ;;
1495         # targets that do NOT support conditional mov (cmov)
1496         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1497             add_cflags "-march=$cpu"
1498             disable cmov
1499         ;;
1500         # targets that do support conditional mov (cmov)
1501         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1502             add_cflags "-march=$cpu"
1503             enable cmov
1504             enable fast_cmov
1505         ;;
1506         # targets that do support conditional mov but on which it's slow
1507         pentium4|pentium4m|prescott|nocona)
1508             add_cflags "-march=$cpu"
1509             enable cmov
1510             disable fast_cmov
1511         ;;
1512         sparc64)
1513             add_cflags "-mcpu=v9"
1514         ;;
1515         arm11*|cortex*)
1516             add_cflags "-mcpu=$cpu"
1517             enable fast_unaligned
1518         ;;
1519         arm*)
1520             add_cflags "-mcpu=$cpu"
1521         ;;
1522         *)
1523             echo "WARNING: Unknown CPU \"$cpu\", ignored."
1524         ;;
1525     esac
1526 fi
1527
1528 # make sure we can execute files in $TMPDIR
1529 cat > $TMPSH 2>> $logfile <<EOF
1530 #! /bin/sh
1531 EOF
1532 chmod +x $TMPSH >> $logfile 2>&1
1533 if ! $TMPSH >> $logfile 2>&1; then
1534     cat <<EOF
1535 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1536 variable to another directory and make sure that $TMPDIR1 is not mounted
1537 noexec.
1538 EOF
1539     die "Sanity test failed."
1540 fi
1541 rm $TMPSH
1542
1543 # compiler sanity check
1544 check_exec <<EOF
1545 int main(void){ return 0; }
1546 EOF
1547 if test "$?" != 0; then
1548     echo "$cc is unable to create an executable file."
1549     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1550         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1551         echo "Only do this if you know what cross compiling means."
1552     fi
1553     die "C compiler test failed."
1554 fi
1555
1556 check_cc <<EOF || die "Symbol mangling check failed."
1557 int ff_extern;
1558 EOF
1559 sym=$($nm -P -g $TMPO | grep ff_extern)
1560 extern_prefix=${sym%%ff_extern*}
1561
1562 check_asm inline_asm '""'
1563
1564 if enabled x86; then
1565     # check whether EBP is available on x86
1566     # As 'i' is stored on the stack, this program will crash
1567     # if the base pointer is used to access it because the
1568     # base pointer is cleared in the inline assembly code.
1569     check_exec_crash <<EOF && enable ebp_available
1570     volatile int i=0;
1571     __asm__ volatile (
1572         "xorl %%ebp, %%ebp"
1573     ::: "%ebp");
1574     return i;
1575 EOF
1576
1577     # check wether EBX is available on x86
1578     check_asm ebx_available '"":::"%ebx"'
1579
1580     # check whether binutils is new enough to compile SSSE3/MMX2
1581     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1582     enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1583
1584     check_asm bswap '"bswap %%eax" ::: "%eax"'
1585
1586     YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1587     enabled     x86_64        && append YASMFLAGS "-m amd64"
1588     enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1589     case "$objformat" in
1590         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1591         macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1592         *)                    append YASMFLAGS "-DPREFIX"  ;;
1593     esac
1594     check_yasm "pabsw xmm0, xmm0" && enable yasm
1595 fi
1596
1597 # check for assembler specific support
1598
1599 if test $arch = "powerpc"; then
1600     check_asm dcbzl '"dcbzl 0, 1"'
1601 fi
1602
1603 # check for SIMD availability
1604
1605 # AltiVec flags: The FSF version of GCC differs from the Apple version
1606 if enabled altivec; then
1607     check_cflags -maltivec -mabi=altivec &&
1608         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1609         check_cflags -faltivec
1610
1611     # check if our compiler supports Motorola AltiVec C API
1612     check_cc <<EOF || disable altivec
1613 $inc_altivec_h
1614 int main(void) {
1615     vector signed int v1, v2, v3;
1616     v1 = vec_add(v2,v3);
1617     return 0;
1618 }
1619 EOF
1620
1621     # check if our compiler supports braces for vector declarations
1622     check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1623 $inc_altivec_h
1624 int main (void) { (vector int) {1}; return 0; }
1625 EOF
1626 fi
1627
1628 # We have to check if pld is a nop and disable it.
1629 enabled armv4l  && check_asm pld     '"pld [r0]"'
1630 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1631 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1632 enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1633 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1634 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1635 enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1636 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1637
1638 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1639
1640 # ---
1641 # big/little-endian test
1642 check_cc <<EOF || die "endian test failed"
1643 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1644 EOF
1645 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1646
1647 # ---
1648 # check availability of some header files
1649
1650 if check_func dlopen; then
1651     ldl=
1652 elif check_func dlopen -ldl; then
1653     ldl=-ldl
1654 fi
1655
1656 check_func  fork
1657 check_func  gethrtime
1658 check_func  getrusage
1659 check_func  inet_aton $network_extralibs
1660 check_func  memalign
1661 check_func  mkstemp
1662 check_func_headers windows.h GetProcessTimes
1663
1664 check_header conio.h
1665 check_header dlfcn.h
1666 check_header malloc.h
1667 check_header poll.h
1668 check_header sys/mman.h
1669 check_header sys/resource.h
1670 check_header sys/select.h
1671 check_header termios.h
1672
1673 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1674     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1675 fi
1676
1677 enabled  zlib && check_lib  zlib.h      zlibVersion -lz   || disable  zlib
1678 enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1679
1680 # check for some common methods of building with pthread support
1681 # do this before the optional library checks as some of them require pthreads
1682 if enabled pthreads; then
1683     if check_func pthread_create; then
1684         :
1685     elif check_func pthread_create -pthread; then
1686         add_cflags -pthread
1687         add_extralibs -pthread
1688     elif check_func pthread_create -pthreads; then
1689         add_cflags -pthreads
1690         add_extralibs -pthreads
1691     elif check_func pthread_create -lpthreadGC2; then
1692         add_extralibs -lpthreadGC2
1693     elif ! check_lib pthread.h pthread_create -lpthread; then
1694         die "ERROR: can't find pthreads library"
1695     fi
1696 fi
1697
1698 for thread in $THREADS_LIST; do
1699     if enabled $thread; then
1700         test -n "$thread_type" &&
1701             die "ERROR: Only one thread type must be selected." ||
1702             thread_type="$thread"
1703     fi
1704 done
1705
1706 check_lib math.h sin -lm
1707
1708 # test for C99 functions in math.h
1709 for func in llrint lrint lrintf round roundf; do
1710     check_exec <<EOF && enable $func || disable $func
1711 #include <math.h>
1712 int main(void) { return ($func(3.999f) > 0)?0:1; }
1713 EOF
1714 done
1715
1716 # these are off by default, so fail if requested and not available
1717 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1718 enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1719 enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1720 enabled libdirac   && add_cflags "$(pkg-config --cflags dirac)" &&
1721                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1722                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1723 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1724 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1725 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1726 enabled libmp3lame && require  LAME lame/lame.h lame_init -lmp3lame -lm
1727 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1728 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1729                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1730 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1731 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1732 enabled libx264    && require  x264 x264.h x264_encoder_open -lx264 -lm &&
1733                       { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1734                         die "ERROR: libx264 version must be >= 0.65."; }
1735 enabled libxvid    && require  Xvid xvid.h xvid_global -lxvidcore
1736 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1737
1738 # libdc1394 check
1739 if enabled libdc1394; then
1740     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1741         enable libdc1394_2; } ||
1742     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1743         enable libdc1394_1; } ||
1744     die "ERROR: No version of libdc1394 found "
1745 fi
1746
1747
1748 _restrict=
1749 for restrict_keyword in restrict __restrict__ __restrict; do
1750     check_cc <<EOF && _restrict=$restrict_keyword && break
1751 void foo(char * $restrict_keyword p);
1752 EOF
1753 done
1754
1755 test "$vhook" = "default" && vhook="$dlopen"
1756
1757 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1758     disable vhook
1759     echo
1760     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1761     echo "Patches welcome."
1762     echo
1763 fi
1764
1765 if enabled vhook; then
1766     check_ldflags -rdynamic
1767     check_ldflags -export-dynamic
1768 fi
1769
1770 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1771 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1772
1773 ##########################################
1774 # SDL check
1775
1776 disable sdl_too_old
1777 disable sdl
1778 SDL_CONFIG="${cross_prefix}sdl-config"
1779 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1780     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1781     temp_cflags $sdl_cflags
1782     temp_extralibs `"${SDL_CONFIG}" --libs`
1783     if check_lib2 SDL.h SDL_Init; then
1784         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1785         if test "$_sdlversion" -lt 121 ; then
1786             enable sdl_too_old
1787         else
1788             enable sdl
1789             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1790 #include <SDL.h>
1791 int main(int argc, char **argv){
1792     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1793     int w = vi->current_w;
1794     return 0;
1795 }
1796 EOF
1797         fi
1798     fi
1799     restore_flags
1800 fi
1801
1802 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1803
1804 ##########################################
1805 # Network check
1806
1807 if enabled network; then
1808     check_type sys/socket.h socklen_t
1809     # Prefer arpa/inet.h over winsock2
1810     if check_header arpa/inet.h ; then
1811         check_func closesocket
1812     elif check_header winsock2.h ; then
1813         network_extralibs="-lws2_32"
1814         check_type ws2tcpip.h socklen_t
1815         check_func_headers winsock2.h closesocket
1816     fi
1817 fi
1818
1819 ##########################################
1820 # IPv6 check
1821
1822 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1823 #include <sys/types.h>
1824 #include <sys/socket.h>
1825 #include <netinet/in.h>
1826 #include <netdb.h>
1827 int main(void) {
1828     struct sockaddr_storage saddr;
1829     struct ipv6_mreq mreq6;
1830     getaddrinfo(0,0,0,0);
1831     getnameinfo(0,0,0,0,0,0,0);
1832     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1833 }
1834 EOF
1835
1836 check_header linux/videodev.h
1837 check_header linux/videodev2.h
1838 check_header sys/videoio.h
1839
1840 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1841
1842 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1843 { check_header dev/bktr/ioctl_meteor.h &&
1844   check_header dev/bktr/ioctl_bt848.h; } ||
1845 { check_header machine/ioctl_meteor.h &&
1846   check_header machine/ioctl_bt848.h; } ||
1847 { check_header dev/video/meteor/ioctl_meteor.h &&
1848   check_header dev/video/bktr/ioctl_bt848.h; } ||
1849 check_header dev/ic/bt8xx.h
1850
1851 check_header sys/soundcard.h
1852 check_header soundcard.h
1853
1854 # deal with the X11 frame grabber
1855 enabled x11grab                         &&
1856 check_header X11/Xlib.h                 &&
1857 check_header X11/extensions/XShm.h      &&
1858 check_func XOpenDisplay -lX11           &&
1859 check_func XShmCreateImage -lX11 -lXext
1860
1861 enabled debug && add_cflags -g"$debuglevel"
1862
1863 # add some useful compiler flags if supported
1864 check_cflags -Wdeclaration-after-statement
1865 check_cflags -Wall
1866 check_cflags -Wno-switch
1867 check_cflags -Wdisabled-optimization
1868 check_cflags -Wpointer-arith
1869 check_cflags -Wredundant-decls
1870 check_cflags -Wno-pointer-sign
1871 check_cflags -Wcast-qual
1872 check_cflags -Wwrite-strings
1873 check_cflags -Wtype-limits
1874 enabled extra_warnings && check_cflags -Winline
1875
1876 # add some linker flags
1877 check_ldflags -Wl,--warn-common
1878 check_ldflags -Wl,--as-needed
1879 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'
1880 check_ldflags -Wl,-Bsymbolic
1881
1882 if enabled small; then
1883     check_cflags -Os            # not all compilers support -Os
1884     optimizations="small"
1885 elif enabled optimizations; then
1886     if $cc -v 2>&1 | grep -q xlc; then
1887         add_cflags  "-O5"
1888         add_ldflags "-O5"
1889     else
1890         add_cflags "-O3"
1891     fi
1892 fi
1893 check_cflags -fno-math-errno
1894 check_cflags -fno-signed-zeros
1895
1896 # add some flags for Intel C Compiler
1897 if $cc --version 2> /dev/null | grep -q Intel; then
1898   # Just warnings, no remarks
1899   check_cflags -w1
1900   # -wd: Disable following warnings
1901   # 144, 167, 556: -Wno-pointer-sign
1902   # 10006: ignoring unknown option -fno-signed-zeros
1903   # 10156: ignoring option '-W'; no argument required
1904   check_cflags -wd144,167,556,10006,10156
1905   # 11030: Warning unknown option --as-needed
1906   # 10156: ignoring option '-export'; no argument required
1907   check_ldflags -wd10156,11030
1908   # Allow to compile with optimizations
1909   check_ldflags -march=$cpu
1910 fi
1911
1912 # PIC flags for shared library objects where they are needed
1913 if enabled shared; then
1914     # LIBOBJFLAGS may have already been set in the OS configuration
1915     if test -z "$LIBOBJFLAGS" ; then
1916         case "$arch" in
1917             x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
1918         esac
1919     fi
1920 fi
1921
1922 if enabled gprof; then
1923     add_cflags  "-p"
1924     add_ldflags "-p"
1925 fi
1926
1927 VHOOKCFLAGS="-fPIC"
1928
1929 # Find out if the .align argument is a power of two or not.
1930 if test $asmalign_pot = "unknown"; then
1931     disable asmalign_pot
1932     echo '__asm__ (".align 3");' | check_cc && enable asmalign_pot
1933 fi
1934
1935 enabled_any $DECODER_LIST      && enable decoders
1936 enabled_any $ENCODER_LIST      && enable encoders
1937 enabled_any $BSF_LIST          && enable bsfs
1938 enabled_any $DEMUXER_LIST      && enable demuxers
1939 enabled_any $MUXER_LIST        && enable muxers
1940 enabled_any $FILTER_LIST       && enable filters
1941 enabled_any $INDEV_LIST        && enable demuxers
1942 enabled_any $OUTDEV_LIST       && enable muxers
1943 enabled_any $PROTOCOL_LIST     && enable protocols
1944
1945 enabled_any $THREADS_LIST      && enable threads
1946
1947 check_deps $CONFIG_LIST       \
1948            $HAVE_LIST         \
1949            $DECODER_LIST      \
1950            $ENCODER_LIST      \
1951            $PARSER_LIST       \
1952            $BSF_LIST          \
1953            $DEMUXER_LIST      \
1954            $MUXER_LIST        \
1955            $FILTER_LIST       \
1956            $INDEV_LIST        \
1957            $OUTDEV_LIST       \
1958            $PROTOCOL_LIST     \
1959
1960 enabled libdc1394 && append pkg_requires "libraw1394"
1961 enabled libdirac  && append pkg_requires "dirac"
1962 enabled libtheora && append pkg_requires "theora"
1963 enabled libvorbis && append pkg_requires "vorbisenc"
1964
1965 echo "install prefix            $prefix"
1966 echo "source path               $source_path"
1967 echo "C compiler                $cc"
1968 echo ".align is power-of-two    $asmalign_pot"
1969 echo "ARCH                      $arch ($cpu)"
1970 if test "$build_suffix" != ""; then
1971     echo "build suffix              $build_suffix"
1972 fi
1973 if test "$extra_version" != ""; then
1974     echo "version string suffix     $extra_version"
1975 fi
1976 echo "big-endian                ${bigendian-no}"
1977 if test $arch = "x86_32" -o $arch = "x86_64"; then
1978     echo "yasm                      ${yasm-no}"
1979     echo "MMX enabled               ${mmx-no}"
1980     echo "CMOV enabled              ${cmov-no}"
1981     echo "CMOV is fast              ${fast_cmov-no}"
1982     echo "EBX available             ${ebx_available-no}"
1983     echo "EBP available             ${ebp_available-no}"
1984 fi
1985 if test $arch = "armv4l"; then
1986     echo "ARMv5TE enabled           ${armv5te-no}"
1987     echo "ARMv6 enabled             ${armv6-no}"
1988     echo "ARM VFP enabled           ${armvfp-no}"
1989     echo "IWMMXT enabled            ${iwmmxt-no}"
1990     echo "NEON enabled              ${neon-no}"
1991 fi
1992 if test $arch = "mips"; then
1993     echo "MMI enabled               ${mmi-no}"
1994 fi
1995 if test $arch = "powerpc"; then
1996     echo "AltiVec enabled           ${altivec-no}"
1997     echo "dcbzl available           ${dcbzl-no}"
1998 fi
1999 echo "gprof enabled             ${gprof-no}"
2000 echo "debug symbols             ${debug-no}"
2001 echo "strip symbols             ${stripping-no}"
2002 echo "optimizations             ${optimizations-no}"
2003 echo "static                    ${static-no}"
2004 echo "shared                    ${shared-no}"
2005 echo "postprocessing support    ${postproc-no}"
2006 echo "software scaler enabled   ${swscale-no}"
2007 echo "new filter support        ${avfilter-no}"
2008 echo "filters using lavformat   ${avfilter_lavf-no}"
2009 echo "video hooking             ${vhook-no}"
2010 if enabled vhook; then
2011     echo "Imlib2 support            ${imlib2-no}"
2012     echo "FreeType support          ${freetype2-no}"
2013 fi
2014 echo "network support           ${network-no}"
2015 if enabled network; then
2016     echo "IPv6 support              ${ipv6-no}"
2017 fi
2018 echo "threading support         ${thread_type-no}"
2019 echo "SDL support               ${sdl-no}"
2020 if enabled sdl_too_old; then
2021     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2022 fi
2023 echo "Sun medialib support      ${mlib-no}"
2024 echo "AVISynth enabled          ${avisynth-no}"
2025 echo "libamr-nb support         ${libamr_nb-no}"
2026 echo "libamr-wb support         ${libamr_wb-no}"
2027 echo "libdc1394 support         ${libdc1394-no}"
2028 echo "libdirac enabled          ${libdirac-no}"
2029 echo "libfaac enabled           ${libfaac-no}"
2030 echo "libfaad enabled           ${libfaad-no}"
2031 echo "libfaad dlopened          ${libfaadbin-no}"
2032 echo "libgsm enabled            ${libgsm-no}"
2033 echo "libmp3lame enabled        ${libmp3lame-no}"
2034 echo "libnut enabled            ${libnut-no}"
2035 echo "libschroedinger enabled   ${libschroedinger-no}"
2036 echo "libtheora enabled         ${libtheora-no}"
2037 echo "libvorbis enabled         ${libvorbis-no}"
2038 echo "libx264 enabled           ${libx264-no}"
2039 echo "libxvid enabled           ${libxvid-no}"
2040 echo "zlib enabled              ${zlib-no}"
2041 echo "bzlib enabled             ${bzlib-no}"
2042 echo
2043
2044 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2045     echo "Enabled ${type}s:"
2046     eval list=\$$(toupper $type)_LIST
2047     for part in $list; do
2048         enabled $part && echo ${part%_*}
2049     done | sort | pr -3 -t
2050     echo
2051 done
2052
2053 license="LGPL"
2054 if enabled nonfree; then
2055     license="unredistributable"
2056 elif enabled gpl; then
2057     license="GPL"
2058 fi
2059
2060 echo "License: $license"
2061
2062 echo "Creating config.mak and config.h..."
2063
2064 echo "# Automatically generated by configure - do not modify!" > config.mak
2065 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2066 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2067 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2068 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2069
2070 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2071 echo "prefix=$prefix" >> config.mak
2072 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2073 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2074 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2075 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2076 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2077 echo "CC=$cc" >> config.mak
2078 echo "YASM=$yasmexe" >> config.mak
2079 echo "AR=$ar" >> config.mak
2080 echo "RANLIB=$ranlib" >> config.mak
2081 echo "LN_S=$ln_s" >> config.mak
2082 enabled stripping &&
2083     echo "STRIP=$strip" >> config.mak ||
2084     echo "STRIP=echo ignoring strip" >> config.mak
2085
2086 echo "OPTFLAGS=$CFLAGS" >> config.mak
2087 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2088 echo "LDFLAGS=$LDFLAGS" >> config.mak
2089 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2090 echo "SHFLAGS=$SHFLAGS" >> config.mak
2091 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2092 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2093 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2094 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2095 echo "BUILD_STATIC=$static" >> config.mak
2096 echo "BUILDSUF=$build_suffix" >> config.mak
2097 echo "FULLNAME=$FULLNAME" >> config.mak
2098 echo "LIBPREF=$LIBPREF" >> config.mak
2099 echo "LIBSUF=$LIBSUF" >> config.mak
2100 echo "LIBNAME=$LIBNAME" >> config.mak
2101 echo "SLIBPREF=$SLIBPREF" >> config.mak
2102 echo "SLIBSUF=$SLIBSUF" >> config.mak
2103 echo "EXESUF=$EXESUF" >> config.mak
2104 echo "EXTRA_VERSION=$extra_version" >> config.mak
2105 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2106
2107 if enabled bigendian; then
2108     echo "WORDS_BIGENDIAN=yes" >> config.mak
2109     echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2110 fi
2111
2112 if enabled sdl; then
2113     echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2114     echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2115 fi
2116 if enabled texi2html; then
2117     echo "BUILD_DOC=yes" >> config.mak
2118 fi
2119
2120 get_version(){
2121     name=$1
2122     file=$source_path/$2
2123     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2124     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2125     lcname=$(tolower $name)
2126     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2127     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2128 }
2129
2130 get_version LIBSWSCALE  libswscale/swscale.h
2131 get_version LIBPOSTPROC libpostproc/postprocess.h
2132 get_version LIBAVCODEC  libavcodec/avcodec.h
2133 get_version LIBAVDEVICE libavdevice/avdevice.h
2134 get_version LIBAVFORMAT libavformat/avformat.h
2135 get_version LIBAVUTIL   libavutil/avutil.h
2136 get_version LIBAVFILTER libavfilter/avfilter.h
2137
2138 if enabled shared; then
2139     echo "BUILD_SHARED=yes" >> config.mak
2140     echo "PIC=-fPIC -DPIC" >> config.mak
2141     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2142     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2143     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2144     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2145     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2146     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2147     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2148     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2149 fi
2150 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2151 echo "EXTRALIBS=$extralibs" >> config.mak
2152
2153 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2154 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2155 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2156                                       $DECODER_LIST      \
2157                                       $ENCODER_LIST      \
2158                                       $PARSER_LIST       \
2159                                       $BSF_LIST          \
2160                                       $DEMUXER_LIST      \
2161                                       $MUXER_LIST        \
2162                                       $FILTER_LIST       \
2163                                       $PROTOCOL_LIST     \
2164                                       $INDEV_LIST        \
2165                                       $OUTDEV_LIST       \
2166
2167 echo "#define restrict $_restrict" >> $TMPH
2168
2169 if enabled small; then
2170     echo "#define av_always_inline"  >> $TMPH
2171 fi
2172
2173 echo "SRC_PATH=\"$source_path\"" >> config.mak
2174 echo "SRC_PATH_BARE=$source_path" >> config.mak
2175 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2176
2177 # Apparently it's not possible to portably echo a backslash.
2178 enabled asmalign_pot &&
2179     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2180     printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2181
2182 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2183
2184 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2185
2186 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2187 cmp -s $TMPH config.h &&
2188     echo "config.h is unchanged" ||
2189     mv -f $TMPH config.h
2190
2191 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2192
2193 # build tree in object directory if source path is different from current one
2194 if enabled source_path_used; then
2195     DIRS="\
2196         doc               \
2197         libavcodec        \
2198         libavcodec/alpha  \
2199         libavcodec/armv4l \
2200         libavcodec/bfin   \
2201         libavcodec/i386   \
2202         libavcodec/mlib   \
2203         libavcodec/ppc    \
2204         libavcodec/sh4    \
2205         libavcodec/sparc  \
2206         libavdevice       \
2207         libavfilter       \
2208         libavformat       \
2209         libavutil         \
2210         libpostproc       \
2211         libswscale        \
2212         tests             \
2213         tools             \
2214         vhook             \
2215         "
2216     FILES="\
2217         Makefile             \
2218         common.mak           \
2219         subdir.mak           \
2220         doc/texi2pod.pl      \
2221         libavcodec/Makefile  \
2222         libavdevice/Makefile \
2223         libavfilter/Makefile \
2224         libavformat/Makefile \
2225         libavutil/Makefile   \
2226         libpostproc/Makefile \
2227         libswscale/Makefile  \
2228         "
2229     for dir in $DIRS ; do
2230         mkdir -p $dir
2231     done
2232     for f in $FILES ; do
2233         $ln_s "$source_path/$f" $f
2234     done
2235 fi
2236
2237
2238 # build pkg-config files
2239
2240 pkgconfig_generate(){
2241 name=$1
2242 shortname=${name#lib}
2243 comment=$2
2244 version=$3
2245 libs=$4
2246 requires=$5
2247 cat <<EOF > $name/$name.pc
2248 prefix=$prefix
2249 exec_prefix=\${prefix}
2250 libdir=$libdir
2251 includedir=$incdir
2252
2253 Name: $name
2254 Description: $comment
2255 Version: $version
2256 Requires: $(disabled shared && echo $requires)
2257 Requires.private: $(enabled shared && echo $requires)
2258 Conflicts:
2259 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2260 Libs.private: $(enabled shared && echo $libs)
2261 Cflags: -I\${includedir}
2262 EOF
2263 cat <<EOF > $name/$name-uninstalled.pc
2264 prefix=
2265 exec_prefix=
2266 libdir=\${pcfiledir}
2267 includedir=${source_path}
2268
2269 Name: $name
2270 Description: $comment
2271 Version: $version
2272 Requires: $requires
2273 Conflicts:
2274 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2275 Cflags: -I\${includedir}
2276 EOF
2277 }
2278
2279 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2280 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2281 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2282 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2283 enabled avfilter &&
2284     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2285 enabled postproc &&
2286     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2287 if enabled swscale; then
2288     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2289 else
2290     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2291     apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2292 fi