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-libspeex        enable Speex decoding via libspeex [default=no]"
 106   echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
 107   echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
 108   echo "                           native implementation exists [default=no]"
 109   echo "  --enable-libx264         enable H.264 encoding via x264 [default=no]"
 110   echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
 111   echo "                           native MPEG-4/Xvid encoder exists [default=no]"
 112   echo ""
 113   echo "Advanced options (experts only):"
 114   echo "  --source-path=PATH       path to source code [$source_path]"
 115   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 116   echo "  --enable-cross-compile   assume a cross-compiler is used"
 117   echo "  --target-os=OS           compiler targets OS [$target_os]"
 118   echo "  --cc=CC                  use C compiler CC [$cc]"
 119   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 120   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 121   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 122   echo "  --extra-version=STRING   version string suffix []"
 123   echo "  --build-suffix=SUFFIX    suffix for application specific build []"
 124   echo "  --arch=ARCH              select architecture  [$arch]"
 125   echo "  --cpu=CPU                selects the minimum cpu required (affects"
 126   echo "                           instruction selection, may crash on older CPUs)"
 127   echo "  --enable-powerpc-perf    enable performance report on PPC"
 128   echo "                           (requires enabling PMC)"
 129   echo "  --disable-mmx            disable MMX usage"
 130   echo "  --disable-mmx2           disable MMX2 usage"
 131   echo "  --disable-ssse3          disable SSSE3 usage"
 132   echo "  --disable-armv5te        disable armv5te usage"
 133   echo "  --disable-armv6          disable armv6 usage"
 134   echo "  --disable-armvfp         disable ARM VFP usage"
 135   echo "  --disable-iwmmxt         disable iwmmxt usage"
 136   echo "  --disable-altivec        disable AltiVec usage"
 137   echo "  --disable-network        disable network support [default=no]"
 138   echo "  --disable-ipv6           disable ipv6 support [default=no]"
 139   echo "  --disable-zlib           disable zlib [default=no]"
 140   echo "  --disable-bzlib          disable bzlib [default=no]"
 141   echo "  --disable-vhook          disable video hooking support"
 142   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 143   echo "                           MPEG audio decoding [default=no]"
 144   echo "  --enable-gray            enable full grayscale support (slower color)"
 145   echo "  --disable-ffmpeg         disable ffmpeg build"
 146   echo "  --disable-ffserver       disable ffserver build"
 147   echo "  --disable-ffplay         disable ffplay build"
 148   echo "  --enable-small           optimize for size instead of speed"
 149   echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
 150   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 151   echo "  --disable-encoder=NAME   disables encoder NAME"
 152   echo "  --enable-encoder=NAME    enables encoder NAME"
 153   echo "  --disable-decoder=NAME   disables decoder NAME"
 154   echo "  --enable-decoder=NAME    enables decoder NAME"
 155   echo "  --disable-encoders       disables all encoders"
 156   echo "  --disable-decoders       disables all decoders"
 157   echo "  --disable-muxer=NAME     disables muxer NAME"
 158   echo "  --enable-muxer=NAME      enables muxer NAME"
 159   echo "  --disable-muxers         disables all muxers"
 160   echo "  --disable-demuxer=NAME   disables demuxer NAME"
 161   echo "  --enable-demuxer=NAME    enables demuxer NAME"
 162   echo "  --disable-demuxers       disables all demuxers"
 163   echo "  --enable-parser=NAME     enables parser NAME"
 164   echo "  --disable-parser=NAME    disables parser NAME"
 165   echo "  --disable-parsers        disables all parsers"
 166   echo "  --enable-bsf=NAME        enables bitstream filter NAME"
 167   echo "  --disable-bsf=NAME       disables bitstream filter NAME"
 168   echo "  --disable-bsfs           disables all bitstream filters"
 169   echo "  --enable-protocol=NAME   enables protocol NAME"
 170   echo "  --disable-protocol=NAME  disables protocol NAME"
 171   echo "  --disable-protocols      disables all protocols"
 172   echo "  --disable-devices        disables all devices"
 173   echo "  --enable-filter=NAME     enables filter NAME"
 174   echo "  --disable-filter=NAME    disables filter NAME"
 175   echo "  --disable-filters        disables all filters"
 176   echo "  --list-decoders          show all available decoders"
 177   echo "  --list-encoders          show all available encoders"
 178   echo "  --list-muxers            show all available muxers"
 179   echo "  --list-demuxers          show all available demuxers"
 180   echo "  --list-parsers           show all available parsers"
 181   echo "  --list-protocols         show all available protocols"
 182   echo "  --list-bsfs              show all available bitstream filters"
 183   echo "  --list-indevs            show all available input devices"
 184   echo "  --list-outdevs           show all available output devices"
 185   echo "  --list-filters           show all available filters"
 186   echo
 187   echo "Developer options (useful when working on FFmpeg itself):"
 188   echo "  --disable-debug          disable debugging symbols"
 189   echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
 190   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 191   echo "  --disable-optimizations  disable compiler optimizations"
 192   echo "  --enable-extra-warnings  enable more compiler warnings"
 193   echo "  --disable-stripping      disable stripping of executables and shared libraries"
 194   echo ""
 195   echo "NOTE: Object files are built at the place where configure is launched."
 196   exit 0
 197 }
 198
 199 log(){
 200     echo "$@" >> $logfile
 201 }
 202
 203 log_file(){
 204     log BEGIN $1
 205     pr -n -t $1 >> $logfile
 206     log END $1
 207 }
 208
 209 echolog(){
 210     log "$@"
 211     echo "$@"
 212 }
 213
 214 die(){
 215     echolog "$@"
 216     cat <<EOF
 217 If you think configure made a mistake, make sure you are using the latest
 218 version from SVN.  If the latest version fails, report the problem to the
 219 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 220 EOF
 221     if disabled logging; then
 222         cat <<EOF
 223 Rerun configure with logging enabled (do not use --disable-logging), and
 224 include the log this produces with your report.
 225 EOF
 226     else
 227 cat <<EOF
 228 Include the log file "$logfile" produced by configure as this will help
 229 solving the problem.
 230 EOF
 231     fi
 232     rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
 233     exit 1
 234 }
 235
 236 # Avoid locale weirdness, besides we really just want to translate ASCII.
 237 toupper(){
 238     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 239 }
 240
 241 tolower(){
 242     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 243 }
 244
 245 set_all(){
 246     value=$1
 247     shift
 248     for var in $*; do
 249         eval $var=$value
 250     done
 251 }
 252
 253 set_weak(){
 254     value=$1
 255     shift
 256     for var; do
 257         eval : \${$var:=$value}
 258     done
 259 }
 260
 261 pushvar(){
 262     for var in $*; do
 263         eval level=\${${var}_level:=0}
 264         eval ${var}_${level}="\$$var"
 265         eval ${var}_level=$(($level+1))
 266     done
 267 }
 268
 269 popvar(){
 270     for var in $*; do
 271         eval level=\${${var}_level:-0}
 272         test $level = 0 && continue
 273         eval level=$(($level-1))
 274         eval $var="\${${var}_${level}}"
 275         eval ${var}_level=$level
 276         eval unset ${var}_${level}
 277     done
 278 }
 279
 280 enable(){
 281     set_all yes $*
 282 }
 283
 284 disable(){
 285     set_all no $*
 286 }
 287
 288 enable_weak(){
 289     set_weak yes $*
 290 }
 291
 292 disable_weak(){
 293     set_weak no $*
 294 }
 295
 296 do_enable_deep(){
 297     for var; do
 298         enabled $var && continue
 299         eval sel="\$${var}_select"
 300         eval sgs="\$${var}_suggest"
 301         pushvar var sgs
 302         enable_deep $sel
 303         popvar sgs
 304         enable_deep_weak $sgs
 305         popvar var
 306     done
 307 }
 308
 309 enable_deep(){
 310     do_enable_deep $*
 311     enable $*
 312 }
 313
 314 enable_deep_weak(){
 315     do_enable_deep $*
 316     enable_weak $*
 317 }
 318
 319 enabled(){
 320     test "${1#!}" = "$1" && op== || op=!=
 321     eval test "x\$${1#!}" $op "xyes"
 322 }
 323
 324 disabled(){
 325     test "${1#!}" = "$1" && op== || op=!=
 326     eval test "x\$${1#!}" $op "xno"
 327 }
 328
 329 enabled_all(){
 330     for opt; do
 331         enabled $opt || return 1
 332     done
 333 }
 334
 335 disabled_all(){
 336     for opt; do
 337         disabled $opt || return 1
 338     done
 339 }
 340
 341 enabled_any(){
 342     for opt; do
 343         enabled $opt && return 0
 344     done
 345 }
 346
 347 disabled_any(){
 348     for opt; do
 349         disabled $opt && return 0
 350     done
 351     return 1
 352 }
 353
 354 set_default(){
 355     for opt; do
 356         eval test -z "\$$opt" && eval $opt=\$${opt}_default
 357     done
 358 }
 359
 360 is_in(){
 361     value=$1
 362     shift
 363     for var in $*; do
 364         [ $var = $value ] && return 0
 365     done
 366     return 1
 367 }
 368
 369 check_deps(){
 370     for cfg; do
 371         cfg="${cfg#!}"
 372         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 373         disabled ${cfg}_checking && continue
 374         enable ${cfg}_checking
 375
 376         eval dep_all="\$${cfg}_deps"
 377         eval dep_any="\$${cfg}_deps_any"
 378         eval dep_sel="\$${cfg}_select"
 379         eval dep_sgs="\$${cfg}_suggest"
 380
 381         pushvar cfg dep_all dep_any dep_sel dep_sgs
 382         check_deps $dep_all $dep_any $dep_sel $dep_sgs
 383         popvar cfg dep_all dep_any dep_sel dep_sgs
 384
 385         enabled_all  $dep_all || disable $cfg
 386         enabled_any  $dep_any || disable $cfg
 387         disabled_any $dep_sel && disable $cfg
 388
 389         if enabled $cfg; then
 390             eval dep_extralibs="\$${cfg}_extralibs"
 391             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 392             enable_deep $dep_sel
 393             enable_deep_weak $dep_sgs
 394         fi
 395
 396         disable ${cfg}_checking
 397     done
 398 }
 399
 400 print_config(){
 401     pfx=$1
 402     header=$2
 403     makefile=$3
 404     shift 3
 405     for cfg; do
 406         ucname="`toupper $cfg`"
 407         if enabled $cfg; then
 408             echo "#define ${pfx}${ucname} 1" >> $header
 409             echo "#define ENABLE_${ucname} 1" >> $header
 410             echo "${pfx}${ucname}=yes" >> $makefile
 411         else
 412             echo "#define ENABLE_${ucname} 0" >> $header
 413         fi
 414     done
 415 }
 416
 417 flags_saved(){
 418     (: ${SAVE_CFLAGS?}) 2> /dev/null
 419 }
 420
 421 save_flags(){
 422     flags_saved && return
 423     SAVE_CFLAGS="$CFLAGS"
 424     SAVE_LDFLAGS="$LDFLAGS"
 425     SAVE_extralibs="$extralibs"
 426 }
 427
 428 restore_flags(){
 429     flags_saved || return
 430     CFLAGS="$SAVE_CFLAGS"
 431     LDFLAGS="$SAVE_LDFLAGS"
 432     extralibs="$SAVE_extralibs"
 433     unset SAVE_CFLAGS
 434     unset SAVE_LDFLAGS
 435     unset SAVE_extralibs
 436 }
 437
 438 temp_cflags(){
 439     save_flags
 440     CFLAGS="$CFLAGS $*"
 441 }
 442
 443 temp_ldflags(){
 444     save_flags
 445     LDFLAGS="$LDFLAGS $*"
 446 }
 447
 448 temp_extralibs(){
 449     save_flags
 450     extralibs="$extralibs $*"
 451 }
 452
 453 append(){
 454     var=$1
 455     shift
 456     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 457     eval "$var=\"\$$var $*\""
 458 }
 459
 460 add_cflags(){
 461     append CFLAGS "$@"
 462 }
 463
 464 add_ldflags(){
 465     append LDFLAGS "$@"
 466 }
 467
 468 add_extralibs(){
 469     append extralibs "$@"
 470 }
 471
 472 check_cmd(){
 473     log "$@"
 474     "$@" >> $logfile 2>&1
 475 }
 476
 477 check_cc(){
 478     log check_cc "$@"
 479     cat > $TMPC
 480     log_file $TMPC
 481     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 482 }
 483
 484 check_cpp(){
 485     log check_cpp "$@"
 486     cat > $TMPC
 487     log_file $TMPC
 488     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 489 }
 490
 491 check_asm(){
 492     log check_asm "$@"
 493     name="$1"
 494     asm="$2"
 495     shift 2
 496     check_cc "$@" <<EOF && enable $name || disable $name
 497 int foo(void){ __asm__ volatile($asm); }
 498 EOF
 499 }
 500
 501 check_yasm(){
 502     log check_yasm "$@"
 503     echo "$1" > $TMPS
 504     log_file $TMPS
 505     shift 1
 506     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 507 }
 508
 509 check_ld(){
 510     log check_ld "$@"
 511     check_cc || return
 512     flags=''
 513     libs=''
 514     for f; do
 515         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 516     done
 517     check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 518 }
 519
 520 check_cflags(){
 521     log check_cflags "$@"
 522     check_cc "$@" <<EOF && add_cflags "$@"
 523 int x;
 524 EOF
 525 }
 526
 527 check_ldflags(){
 528     log check_ldflags "$@"
 529     check_ld "$@" <<EOF && add_ldflags "$@"
 530 int main(void){ return 0; }
 531 EOF
 532 }
 533
 534 check_header(){
 535     log check_header "$@"
 536     header=$1
 537     shift
 538     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 539     disable $var
 540     check_cpp "$@" <<EOF && enable $var
 541 #include <$header>
 542 int x;
 543 EOF
 544 }
 545
 546 check_func(){
 547     log check_func "$@"
 548     func=$1
 549     shift
 550     disable $func
 551     check_ld "$@" <<EOF && enable $func
 552 extern int $func();
 553 int main(void){ $func(); }
 554 EOF
 555 }
 556
 557 check_func_headers(){
 558     log check_func_headers "$@"
 559     headers=$1
 560     func=$2
 561     shift 2
 562     disable $func
 563     incs=""
 564     for hdr in $headers; do
 565         incs="$incs
 566 #include <$hdr>"
 567     done
 568     check_ld "$@" <<EOF && enable $func
 569 $incs
 570 int main(int argc, char **argv){
 571     (void) $func;
 572     return 0;
 573 }
 574 EOF
 575 }
 576
 577 check_cpp_condition(){
 578     log check_cpp_condition "$@"
 579     header=$1
 580     condition=$2
 581     check_cpp <<EOF
 582 #include <$header>
 583 #if !($condition)
 584 #error "unsatisfied condition: $condition"
 585 #endif
 586 EOF
 587 }
 588
 589 check_lib(){
 590     log check_lib "$@"
 591     header="$1"
 592     func="$2"
 593     shift 2
 594     temp_extralibs "$@"
 595     check_header $header && check_func $func && add_extralibs "$@"
 596     err=$?
 597     restore_flags
 598     return $err
 599 }
 600
 601 check_lib2(){
 602     log check_lib2 "$@"
 603     headers="$1"
 604     func="$2"
 605     shift 2
 606     temp_extralibs "$@"
 607     check_func_headers "$headers" $func && add_extralibs "$@"
 608     err=$?
 609     restore_flags
 610     return $err
 611 }
 612
 613 check_exec(){
 614     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 615 }
 616
 617 check_exec_crash(){
 618     code=`cat`
 619
 620     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 621     # are safe but may not be available everywhere.  Thus we use
 622     # raise(SIGTERM) instead.  The check is run in a subshell so we
 623     # can redirect the "Terminated" message from the shell.  SIGBUS
 624     # is not defined by standard C so it is used conditionally.
 625
 626     (check_exec "$@") >> $logfile 2>&1 <<EOF
 627 #include <signal.h>
 628 static void sighandler(int sig){
 629     raise(SIGTERM);
 630 }
 631 int main(void){
 632     signal(SIGILL, sighandler);
 633     signal(SIGFPE, sighandler);
 634     signal(SIGSEGV, sighandler);
 635 #ifdef SIGBUS
 636     signal(SIGBUS, sighandler);
 637 #endif
 638     { $code }
 639 }
 640 EOF
 641 }
 642
 643 check_type(){
 644     log check_type "$@"
 645     headers=$1
 646     type=$2
 647     shift 2
 648     disable $type
 649     incs=""
 650     for hdr in $headers; do
 651         incs="$incs
 652 #include <$hdr>"
 653     done
 654     check_cc "$@" <<EOF && enable $type
 655 $incs
 656 $type v;
 657 EOF
 658 }
 659
 660 require(){
 661     name="$1"
 662     header="$2"
 663     func="$3"
 664     shift 3
 665     check_lib $header $func "$@" || die "ERROR: $name not found"
 666 }
 667
 668 require2(){
 669     name="$1"
 670     headers="$2"
 671     func="$3"
 672     shift 3
 673     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 674 }
 675
 676 check_foo_config(){
 677     cfg=$1
 678     pkg=$2
 679     header=$3
 680     func=$4
 681     shift 4
 682     disable $cfg
 683     check_cmd ${pkg}-config --version
 684     err=$?
 685     if test "$err" = 0; then
 686         temp_cflags `${pkg}-config --cflags`
 687         temp_extralibs `${pkg}-config --libs`
 688         check_lib "$@" $header $func && enable $cfg
 689     fi
 690     return $err
 691 }
 692
 693 apply(){
 694     file=$1
 695     shift
 696     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 697 }
 698
 699 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 700 # system-dependent things.
 701
 702 COMPONENT_LIST="
 703     bsfs
 704     decoders
 705     demuxers
 706     encoders
 707     filters
 708     indevs
 709     muxers
 710     outdevs
 711     parsers
 712     protocols
 713 "
 714
 715 CONFIG_LIST="
 716     $COMPONENT_LIST
 717     avfilter
 718     avfilter_lavf
 719     avisynth
 720     beos_netserver
 721     bzlib
 722     ffmpeg
 723     ffplay
 724     ffserver
 725     fft
 726     gpl
 727     gprof
 728     gray
 729     hardcoded_tables
 730     ipv6
 731     libamr_nb
 732     libamr_wb
 733     libdc1394
 734     libdirac
 735     libfaac
 736     libfaad
 737     libfaadbin
 738     libgsm
 739     libmp3lame
 740     libnut
 741     libschroedinger
 742     libspeex
 743     libtheora
 744     libvorbis
 745     libx264
 746     libxvid
 747     memalign_hack
 748     mlib
 749     mpegaudio_hp
 750     network
 751     nonfree
 752     postproc
 753     powerpc_perf
 754     small
 755     swscale
 756     vhook
 757     x11grab
 758     zlib
 759 "
 760
 761 THREADS_LIST='
 762     beosthreads
 763     os2threads
 764     pthreads
 765     w32threads
 766 '
 767
 768 ARCH_LIST='
 769     alpha
 770     armv4l
 771     bfin
 772     ia64
 773     m68k
 774     mips
 775     parisc
 776     powerpc
 777     s390
 778     sh4
 779     sparc
 780     sparc64
 781     x86
 782     x86_32
 783     x86_64
 784 '
 785
 786 ARCH_EXT_LIST='
 787     altivec
 788     armv5te
 789     armv6
 790     armvfp
 791     iwmmxt
 792     mmi
 793     mmx
 794     mmx2
 795     neon
 796     ssse3
 797     vis
 798 '
 799
 800 HAVE_LIST="
 801     $ARCH_EXT_LIST
 802     $THREADS_LIST
 803     altivec_h
 804     arpa_inet_h
 805     bswap
 806     closesocket
 807     cmov
 808     conio_h
 809     dcbzl
 810     dev_bktr_ioctl_bt848_h
 811     dev_bktr_ioctl_meteor_h
 812     dev_ic_bt8xx_h
 813     dev_video_meteor_ioctl_meteor_h
 814     dev_video_bktr_ioctl_bt848_h
 815     dlfcn_h
 816     dlopen
 817     dos_paths
 818     ebp_available
 819     ebx_available
 820     fast_64bit
 821     fast_cmov
 822     fast_unaligned
 823     fork
 824     freetype2
 825     gethrtime
 826     GetProcessTimes
 827     getrusage
 828     imlib2
 829     inet_aton
 830     inline_asm
 831     libdc1394_1
 832     libdc1394_2
 833     llrint
 834     lrint
 835     lrintf
 836     machine_ioctl_bt848_h
 837     machine_ioctl_meteor_h
 838     malloc_h
 839     memalign
 840     mkstemp
 841     pld
 842     ppc64
 843     round
 844     roundf
 845     sdl
 846     sdl_video_size
 847     socklen_t
 848     soundcard_h
 849     poll_h
 850     sys_mman_h
 851     sys_resource_h
 852     sys_select_h
 853     sys_soundcard_h
 854     sys_videoio_h
 855     termios_h
 856     threads
 857     winsock2_h
 858     yasm
 859 "
 860
 861 # options emitted with CONFIG_ prefix but not available on command line
 862 CONFIG_EXTRA="
 863     fft_mmx
 864 "
 865
 866 CMDLINE_SELECT="
 867     $ARCH_EXT_LIST
 868     $CONFIG_LIST
 869     $THREADS_LIST
 870     cross_compile
 871     debug
 872     extra_warnings
 873     logging
 874     optimizations
 875     shared
 876     static
 877     stripping
 878 "
 879
 880 PATHS_LIST='
 881     bindir
 882     incdir
 883     libdir
 884     mandir
 885     prefix
 886     shlibdir
 887 '
 888
 889 CMDLINE_SET="
 890     $PATHS_LIST
 891     arch
 892     build_suffix
 893     cc
 894     cpu
 895     cross_prefix
 896     extra_version
 897     logfile
 898     source_path
 899     target_os
 900 "
 901
 902 # code dependency declarations
 903
 904 # architecture extensions
 905 altivec_deps="powerpc"
 906 armv5te_deps="armv4l"
 907 armv6_deps="armv4l"
 908 armvfp_deps="armv4l"
 909 iwmmxt_deps="armv4l"
 910 mmi_deps="mips"
 911 mmx_deps="x86"
 912 mmx2_deps="x86 mmx"
 913 neon_deps="armv4l"
 914 ssse3_deps="x86"
 915 vis_deps="sparc"
 916
 917 # common features
 918 fft_suggest="fft_mmx"
 919 fft_mmx_deps="mmx yasm"
 920
 921 # decoders / encoders
 922 aac_decoder_select="fft"
 923 ac3_decoder_deps="gpl"
 924 ac3_decoder_select="fft"
 925 ac3_encoder_select="fft"
 926 atrac3_decoder_select="fft"
 927 cook_decoder_select="fft"
 928 dca_decoder_select="fft"
 929 dxa_decoder_deps="zlib"
 930 eac3_decoder_deps="gpl"
 931 eac3_decoder_select="fft"
 932 flashsv_decoder_deps="zlib"
 933 flashsv_encoder_deps="zlib"
 934 imc_decoder_select="fft"
 935 mpeg_xvmc_decoder_deps="xvmc"
 936 nellymoser_decoder_select="fft"
 937 nellymoser_encoder_select="fft"
 938 png_decoder_deps="zlib"
 939 png_encoder_deps="zlib"
 940 qdm2_decoder_select="fft"
 941 vorbis_decoder_select="fft"
 942 vorbis_encoder_select="fft"
 943 wmav1_decoder_select="fft"
 944 wmav1_encoder_select="fft"
 945 wmav2_decoder_select="fft"
 946 wmav2_encoder_select="fft"
 947 zmbv_decoder_deps="zlib"
 948 zmbv_encoder_deps="zlib"
 949
 950 # external libraries
 951 libamr_nb_decoder_deps="libamr_nb"
 952 libamr_nb_encoder_deps="libamr_nb"
 953 libamr_wb_decoder_deps="libamr_wb"
 954 libamr_wb_encoder_deps="libamr_wb"
 955 libdirac_decoder_deps="libdirac !libschroedinger"
 956 libdirac_encoder_deps="libdirac"
 957 libfaac_encoder_deps="libfaac"
 958 libfaad_decoder_deps="libfaad"
 959 libfaadbin_decoder_extralibs='$ldl'
 960 libgsm_decoder_deps="libgsm"
 961 libgsm_encoder_deps="libgsm"
 962 libgsm_ms_decoder_deps="libgsm"
 963 libgsm_ms_encoder_deps="libgsm"
 964 libmp3lame_encoder_deps="libmp3lame"
 965 libschroedinger_decoder_deps="libschroedinger"
 966 libschroedinger_encoder_deps="libschroedinger"
 967 libspeex_decoder_deps="libspeex"
 968 libtheora_encoder_deps="libtheora"
 969 libvorbis_encoder_deps="libvorbis"
 970 libx264_encoder_deps="libx264"
 971 libxvid_encoder_deps="libxvid"
 972 mpeg4aac_decoder_deps="libfaad"
 973
 974 # demuxers / muxers
 975 ac3_demuxer_deps="ac3_parser"
 976 audio_beos_demuxer_deps="audio_beos"
 977 audio_beos_demuxer_extralibs="-lmedia -lbe"
 978 audio_beos_muxer_deps="audio_beos"
 979 audio_beos_muxer_extralibs="-lmedia -lbe"
 980 avisynth_demuxer_deps="avisynth"
 981 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
 982 dirac_demuxer_deps="dirac_parser"
 983 dv1394_demuxer_deps="dv1394 dv_demuxer"
 984 libdc1394_demuxer_deps="libdc1394"
 985 libnut_demuxer_deps="libnut"
 986 libnut_muxer_deps="libnut"
 987 mp3_demuxer_deps="mpegaudio_parser"
 988 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
 989 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
 990 redir_demuxer_deps="network"
 991 rtp_muxer_deps="network rtp_protocol"
 992 rtsp_demuxer_deps="sdp_demuxer"
 993 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
 994 v4l_demuxer_deps="linux_videodev_h"
 995 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
 996 vfwcap_demuxer_deps="capCreateCaptureWindow"
 997 vfwcap_demuxer_extralibs="-lvfw32"
 998 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
 999 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1000
1001 # protocols
1002 http_protocol_deps="network"
1003 rtp_protocol_deps="udp_protocol"
1004 tcp_protocol_deps="network"
1005 udp_protocol_deps="network"
1006
1007 # filters
1008 movie_filter_deps="avfilter_lavf"
1009
1010 # programs
1011 ffplay_deps="sdl"
1012 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1013 ffserver_extralibs='$ldl'
1014 vhook_extralibs='$ldl'
1015
1016
1017 # default parameters
1018
1019 logfile="config.err"
1020
1021 # installation paths
1022 prefix_default="/usr/local"
1023 bindir_default='${prefix}/bin'
1024 incdir_default='${prefix}/include'
1025 libdir_default='${prefix}/lib'
1026 mandir_default='${prefix}/share/man'
1027 shlibdir_default="$libdir_default"
1028
1029 # toolchain
1030 cc_default="gcc"
1031 yasmexe="yasm"
1032 ar="ar"
1033 nm="nm"
1034 ranlib="ranlib"
1035 strip="strip"
1036 asmalign_pot="unknown"
1037 ln_s="ln -sf"
1038 objformat="elf"
1039
1040 # machine
1041 arch=`uname -m`
1042 cpu="generic"
1043
1044 # OS
1045 target_os=$(tolower $(uname -s))
1046
1047 # libraries
1048 enable bzlib
1049 enable zlib
1050
1051 # configurable options
1052 enable debug
1053 enable ffmpeg
1054 enable ffplay
1055 enable ffserver
1056 enable ipv6
1057 enable mpegaudio_hp
1058 enable network
1059 enable optimizations
1060 enable protocols
1061 enable static
1062 enable stripping
1063 vhook="default"
1064
1065 # build settings
1066 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1067 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1068 VHOOKSHFLAGS='$(SHFLAGS)'
1069 FFSERVERLDFLAGS=-Wl,-E
1070 LIBPREF="lib"
1071 LIBSUF=".a"
1072 FULLNAME='$(NAME)$(BUILDSUF)'
1073 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1074 SLIBPREF="lib"
1075 SLIBSUF=".so"
1076 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1077 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1078 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1079 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1080
1081 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1082 # full relative path for objects in subdirectories for non-recursive Make.
1083 DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
1084
1085 # find source path
1086 source_path="`dirname \"$0\"`"
1087 enable source_path_used
1088 if test -z "$source_path" -o "$source_path" = "." ; then
1089     source_path="`pwd`"
1090     disable source_path_used
1091 else
1092     source_path="`cd \"$source_path\"; pwd`"
1093     echo "$source_path" | grep -q '[[:blank:]]' &&
1094         die "Out of tree builds are impossible with whitespace in source path."
1095 fi
1096
1097 FFMPEG_CONFIGURATION="$@"
1098
1099 find_things(){
1100     thing=$1
1101     pattern=$2
1102     file=$source_path/$3
1103     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1104 }
1105
1106 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1107 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1108 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1109 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1110 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1111 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1112 OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1113 INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1114 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1115 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1116
1117 enable $ARCH_EXT_LIST \
1118        $DECODER_LIST \
1119        $ENCODER_LIST \
1120        $PARSER_LIST \
1121        $BSF_LIST \
1122        $DEMUXER_LIST \
1123        $MUXER_LIST \
1124        $FILTER_LIST \
1125        $PROTOCOL_LIST \
1126        $INDEV_LIST \
1127        $OUTDEV_LIST \
1128
1129 die_unknown(){
1130     echo "Unknown option \"$1\"."
1131     echo "See $0 --help for available options."
1132     exit 1
1133 }
1134
1135 show_list() {
1136     suffix=_$1
1137     shift
1138     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1139     exit 0
1140 }
1141
1142 for opt do
1143     optval="${opt#*=}"
1144     case "$opt" in
1145     --extra-cflags=*) add_cflags "$optval"
1146     ;;
1147     --extra-ldflags=*) add_ldflags "$optval"
1148     ;;
1149     --extra-libs=*) add_extralibs "$optval"
1150     ;;
1151     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1152     ;;
1153     --enable-debug=*) debuglevel="$optval"
1154     ;;
1155     --enable-*=*|--disable-*=*)
1156     eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1157     case "$thing" in
1158         encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1159         *) die_unknown "$opt" ;;
1160     esac
1161     ;;
1162     --enable-?*|--disable-?*)
1163     eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1164     if is_in $option $COMPONENT_LIST; then
1165         eval $action \$$(toupper ${option%s})_LIST
1166     elif is_in $option $CMDLINE_SELECT; then
1167         $action $option
1168     else
1169         die_unknown $opt
1170     fi
1171     ;;
1172     --list-*)
1173         NAME="${opt#--list-}"
1174         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1175         NAME=${NAME%s}
1176         eval show_list $NAME \$$(toupper $NAME)_LIST
1177     ;;
1178     --help|-h) show_help
1179     ;;
1180     *)
1181     optname="${opt%%=*}"
1182     optname="${optname#--}"
1183     optname=$(echo "$optname" | sed 's/-/_/g')
1184     is_in $optname $CMDLINE_SET || die_unknown $opt
1185     eval $optname='$optval'
1186     ;;
1187     esac
1188 done
1189
1190 disabled logging && logfile=/dev/null
1191
1192 echo "# $0 $@" > $logfile
1193 set >> $logfile
1194
1195 cc_default="${cross_prefix}${cc_default}"
1196 yasmexe="${cross_prefix}${yasmexe}"
1197 ar="${cross_prefix}${ar}"
1198 nm="${cross_prefix}${nm}"
1199 ranlib="${cross_prefix}${ranlib}"
1200 strip="${cross_prefix}${strip}"
1201
1202 set_default cc
1203
1204 # set temporary file name
1205 if test ! -z "$TMPDIR" ; then
1206     TMPDIR1="${TMPDIR}"
1207 elif test ! -z "$TEMPDIR" ; then
1208     TMPDIR1="${TEMPDIR}"
1209 else
1210     TMPDIR1="/tmp"
1211 fi
1212
1213 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1214 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1215 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1216 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1217 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1218 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1219
1220 check_cflags -std=c99
1221
1222 case "$arch" in
1223     i386|i486|i586|i686|i86pc|BePC)
1224         arch="x86_32"
1225         enable fast_unaligned
1226     ;;
1227     x86_64|amd64)
1228         arch="x86_32"
1229         enable fast_unaligned
1230         check_cc <<EOF && enable fast_64bit && arch="x86_64"
1231         int test[sizeof(char*) - 7];
1232 EOF
1233     ;;
1234     # armv4l is a subset of armv[567]*l
1235     arm|armv[4567]*l)
1236         arch="armv4l"
1237     ;;
1238     alpha)
1239         arch="alpha"
1240         enable fast_64bit
1241     ;;
1242     "Power Macintosh"|ppc|powerpc)
1243         arch="powerpc"
1244         enable fast_unaligned
1245     ;;
1246     ppc64)
1247         arch="powerpc"
1248         enable fast_64bit
1249         enable fast_unaligned
1250     ;;
1251     mips|mipsel|IP*)
1252         arch="mips"
1253     ;;
1254     sun4u|sparc64)
1255         arch="sparc64"
1256         enable fast_64bit
1257     ;;
1258     sparc)
1259         arch="sparc"
1260     ;;
1261     sh4)
1262         arch="sh4"
1263     ;;
1264     parisc)
1265         arch="parisc"
1266     ;;
1267     parisc64)
1268         arch="parisc"
1269         enable fast_64bit
1270     ;;
1271     s390|s390x)
1272         arch="s390"
1273     ;;
1274     m68k)
1275         arch="m68k"
1276     ;;
1277     ia64)
1278         arch="ia64"
1279         enable fast_64bit
1280     ;;
1281     bfin)
1282         arch="bfin"
1283     ;;
1284     *)
1285         arch="unknown"
1286     ;;
1287 esac
1288
1289 enable $arch
1290 enabled_any x86_32 x86_64 && enable x86
1291 enabled     sparc64       && enable sparc
1292
1293 # OS specific
1294 case $target_os in
1295     beos|haiku|zeta)
1296         prefix_default="$HOME/config"
1297         # helps building libavcodec
1298         add_cflags "-DPIC -fomit-frame-pointer"
1299         # 3 gcc releases known for BeOS, each with ugly bugs
1300         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1301         case "$gcc_version" in
1302           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1303             disable mmx
1304             ;;
1305           *20010315*) echo "BeBits gcc"
1306             add_cflags "-fno-expensive-optimizations"
1307             ;;
1308         esac
1309         SHFLAGS=-nostart
1310         # enable BeOS things
1311         enable audio_beos
1312         # no need for libm, but the inet stuff
1313         # Check for BONE
1314         # XXX: actually should check for NOT net_server
1315         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1316             network_extralibs="-lbind -lsocket"
1317         else
1318             enable beos_netserver
1319             network_extralibs="-lnet"
1320         fi ;;
1321     sunos)
1322         FFSERVERLDFLAGS=""
1323         SHFLAGS='-shared -Wl,-h,$$(@F)'
1324         network_extralibs="-lsocket -lnsl"
1325         ;;
1326     netbsd)
1327         oss_demuxer_extralibs="-lossaudio"
1328         oss_muxer_extralibs="-lossaudio"
1329         ;;
1330     openbsd)
1331         disable need_memalign
1332         LIBOBJFLAGS='$(PIC)'
1333         SHFLAGS='-shared'
1334         SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1335         SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1336         SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1337         oss_demuxer_extralibs="-lossaudio"
1338         oss_muxer_extralibs="-lossaudio"
1339         ;;
1340     freebsd)
1341         disable need_memalign
1342         ;;
1343     bsd/os)
1344         osextralibs="-lpoll -lgnugetopt"
1345         strip="strip -d"
1346         ;;
1347     darwin)
1348         disable need_memalign
1349         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1350         VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1351         strip="strip -x"
1352         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1353         SLIBSUF=".dylib"
1354         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1355         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1356         FFSERVERLDFLAGS=-Wl,-bind_at_load
1357         objformat="macho"
1358         enabled x86_64 && objformat="macho64"
1359         ;;
1360     mingw32*)
1361         target_os=mingw32
1362         LIBTARGET=i386
1363         if test $arch = x86_64; then
1364             disable need_memalign
1365             LIBTARGET=x64
1366         fi
1367         shlibdir_default="$bindir_default"
1368         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1369         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1370         if enabled swscale; then
1371             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1372             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1373         fi
1374         disable ffserver
1375         SLIBPREF=""
1376         SLIBSUF=".dll"
1377         EXESUF=".exe"
1378         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1379         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1380         SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1381         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1382             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1383         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1384         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1385         objformat="win32"
1386         enable dos_paths
1387         ;;
1388     cygwin*)
1389         target_os=cygwin
1390         shlibdir_default="$bindir_default"
1391         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1392         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1393         if enabled swscale; then
1394             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1395             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1396         fi
1397         EXESUF=".exe"
1398         SLIBPREF="cyg"
1399         SLIBSUF=".dll"
1400         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1401         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1402         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1403         objformat="win32"
1404         enable dos_paths
1405         ;;
1406     *-dos|freedos|opendos)
1407         disable ffplay ffserver vhook
1408         disable $INDEV_LIST $OUTDEV_LIST
1409         network_extralibs="-lsocket"
1410         EXESUF=".exe"
1411         objformat="win32"
1412         enable dos_paths
1413         ;;
1414     linux)
1415         enable dv1394
1416         ;;
1417     irix*)
1418         target_os=irix
1419         ranlib="echo ignoring ranlib"
1420         ;;
1421     os/2*)
1422         strip="lxlite"
1423         ln_s="cp -f"
1424         EXESUF=".exe"
1425         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1426         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1427         FFSERVERLDFLAGS=""
1428         LIBSUF="_s.a"
1429         SLIBPREF=""
1430         SLIBSUF=".dll"
1431         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1432         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1433         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1434           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1435           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1436           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1437           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1438           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1439         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1440           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1441         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1442         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1443         disable vhook
1444         enable dos_paths
1445         ;;
1446     interix)
1447         disable vhook
1448         ;;
1449
1450     *)
1451         target_os="${target_os}-UNKNOWN"
1452         ;;
1453 esac
1454
1455 set_default $PATHS_LIST
1456
1457 add_extralibs $osextralibs
1458
1459 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1460 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1461
1462 test -n "$cross_prefix" && enable cross_compile
1463
1464 # we need to build at least one lib type
1465 if ! enabled_any static shared; then
1466     cat <<EOF
1467 At least one library type must be built.
1468 Specify --enable-static to build the static libraries or --enable-shared to
1469 build the shared libraries as well. To only build the shared libraries specify
1470 --disable-static in addition to --enable-shared.
1471 EOF
1472     exit 1;
1473 fi
1474
1475 disabled static && LIBNAME=""
1476
1477 if enabled_any libfaad libfaadbin ; then
1478     if check_header faad.h; then
1479         check_cc <<EOF
1480 #include <faad.h>
1481 #ifndef FAAD2_VERSION
1482 ok faad1
1483 #endif
1484 int main(void) { return 0; }
1485 EOF
1486         test $? = 0 && enable libfaad2
1487     else
1488         die "FAAD test failed."
1489     fi
1490 fi
1491
1492
1493 if ! enabled gpl; then
1494     die_gpl_disabled(){
1495         name=$1
1496         shift
1497         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1498     }
1499     die_gpl_disabled "The Postprocessing code" postproc
1500     die_gpl_disabled "libx264"                 libx264
1501     die_gpl_disabled "libxvidcore"             libxvid
1502     die_gpl_disabled "FAAD2"                   libfaad2
1503     die_gpl_disabled "The X11 grabber"         x11grab
1504     die_gpl_disabled "The software scaler"     swscale
1505 fi
1506
1507 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1508     die "libamr is nonfree and --enable-nonfree is not specified."
1509 fi
1510
1511 check_deps $ARCH_EXT_LIST
1512
1513 test -z "$need_memalign" && need_memalign="$mmx"
1514
1515 #Darwin CC versions
1516 if test $target_os = darwin; then
1517     if $cc -v 2>&1 | grep -q xlc; then
1518         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1519     else
1520         add_cflags "-pipe"
1521         check_cflags "-force_cpusubtype_ALL"
1522         check_cflags "-Wno-sign-compare"
1523         enabled shared || check_cflags -mdynamic-no-pic
1524     fi
1525 fi
1526
1527 disabled optimizations || check_cflags -fomit-frame-pointer
1528
1529 # Add processor-specific flags
1530 if test $cpu != "generic"; then
1531     warn_altivec(){
1532         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1533     }
1534     case $cpu in
1535         601|ppc601|PowerPC601)
1536             add_cflags "-mcpu=601"
1537             warn_altivec enabled PPC601
1538         ;;
1539         603*|ppc603*|PowerPC603*)
1540             add_cflags "-mcpu=603"
1541             warn_altivec enabled PPC603
1542         ;;
1543         604*|ppc604*|PowerPC604*)
1544             add_cflags "-mcpu=604"
1545             warn_altivec enabled PPC604
1546         ;;
1547         G3|g3|75*|ppc75*|PowerPC75*)
1548             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1549             warn_altivec enabled PPC75x
1550         ;;
1551         G4|g4|745*|ppc745*|PowerPC745*)
1552             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1553             warn_altivec disabled PPC745x
1554         ;;
1555         74*|ppc74*|PowerPC74*)
1556             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1557             warn_altivec disabled PPC74xx
1558         ;;
1559         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1560             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1561             warn_altivec disabled PPC970
1562             enable ppc64
1563         ;;
1564         Cell|CELL|cell)
1565             add_cflags "-mcpu=cell"
1566             warn_altivec disabled Cell
1567             enable ppc64
1568         ;;
1569         # targets that do NOT support conditional mov (cmov)
1570         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1571             add_cflags "-march=$cpu"
1572             disable cmov
1573         ;;
1574         # targets that do support conditional mov (cmov)
1575         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1576             add_cflags "-march=$cpu"
1577             enable cmov
1578             enable fast_cmov
1579         ;;
1580         # targets that do support conditional mov but on which it's slow
1581         pentium4|pentium4m|prescott|nocona)
1582             add_cflags "-march=$cpu"
1583             enable cmov
1584             disable fast_cmov
1585         ;;
1586         sparc64)
1587             add_cflags "-mcpu=v9"
1588         ;;
1589         arm11*|cortex*)
1590             add_cflags "-mcpu=$cpu"
1591             enable fast_unaligned
1592         ;;
1593         armv*)
1594             add_cflags "-march=$cpu"
1595         ;;
1596         arm*)
1597             add_cflags "-mcpu=$cpu"
1598         ;;
1599         *)
1600             echo "WARNING: Unknown CPU \"$cpu\", ignored."
1601         ;;
1602     esac
1603 fi
1604
1605 # make sure we can execute files in $TMPDIR
1606 cat > $TMPSH 2>> $logfile <<EOF
1607 #! /bin/sh
1608 EOF
1609 chmod +x $TMPSH >> $logfile 2>&1
1610 if ! $TMPSH >> $logfile 2>&1; then
1611     cat <<EOF
1612 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1613 variable to another directory and make sure that $TMPDIR1 is not mounted
1614 noexec.
1615 EOF
1616     die "Sanity test failed."
1617 fi
1618 rm $TMPSH
1619
1620 # compiler sanity check
1621 check_exec <<EOF
1622 int main(void){ return 0; }
1623 EOF
1624 if test "$?" != 0; then
1625     echo "$cc is unable to create an executable file."
1626     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1627         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1628         echo "Only do this if you know what cross compiling means."
1629     fi
1630     die "C compiler test failed."
1631 fi
1632
1633 check_cc <<EOF || die "Symbol mangling check failed."
1634 int ff_extern;
1635 EOF
1636 sym=$($nm -P -g $TMPO | grep ff_extern)
1637 extern_prefix=${sym%%ff_extern*}
1638
1639 check_asm inline_asm '""'
1640
1641 if enabled x86; then
1642     # check whether EBP is available on x86
1643     # As 'i' is stored on the stack, this program will crash
1644     # if the base pointer is used to access it because the
1645     # base pointer is cleared in the inline assembly code.
1646     check_exec_crash <<EOF && enable ebp_available
1647     volatile int i=0;
1648     __asm__ volatile (
1649         "xorl %%ebp, %%ebp"
1650     ::: "%ebp");
1651     return i;
1652 EOF
1653
1654     # check wether EBX is available on x86
1655     check_asm ebx_available '"":::"%ebx"'
1656
1657     # check whether binutils is new enough to compile SSSE3/MMX2
1658     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1659     enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1660
1661     check_asm bswap '"bswap %%eax" ::: "%eax"'
1662
1663     YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1664     enabled     x86_64        && append YASMFLAGS "-m amd64"
1665     enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1666     case "$objformat" in
1667         elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1668         macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1669         *)                    append YASMFLAGS "-DPREFIX"  ;;
1670     esac
1671     check_yasm "pabsw xmm0, xmm0" && enable yasm
1672 fi
1673
1674 # check for assembler specific support
1675
1676 if test $arch = "powerpc"; then
1677     check_asm dcbzl '"dcbzl 0, 1"'
1678 fi
1679
1680 # check for SIMD availability
1681
1682 # AltiVec flags: The FSF version of GCC differs from the Apple version
1683 if enabled altivec; then
1684     check_cflags -maltivec -mabi=altivec &&
1685         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1686         check_cflags -faltivec
1687
1688     # check if our compiler supports Motorola AltiVec C API
1689     check_cc <<EOF || disable altivec
1690 $inc_altivec_h
1691 int main(void) {
1692     vector signed int v1, v2, v3;
1693     v1 = vec_add(v2,v3);
1694     return 0;
1695 }
1696 EOF
1697
1698     # check if our compiler supports braces for vector declarations
1699     check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1700 $inc_altivec_h
1701 int main (void) { (vector int) {1}; return 0; }
1702 EOF
1703 fi
1704
1705 # We have to check if pld is a nop and disable it.
1706 enabled armv4l  && check_asm pld     '"pld [r0]"'
1707 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1708 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1709 enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1710 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1711 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1712 enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1713 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1714
1715 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1716
1717 # ---
1718 # big/little-endian test
1719 check_cc <<EOF || die "endian test failed"
1720 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1721 EOF
1722 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1723
1724 # ---
1725 # check availability of some header files
1726
1727 if check_func dlopen; then
1728     ldl=
1729 elif check_func dlopen -ldl; then
1730     ldl=-ldl
1731 fi
1732
1733 check_func  fork
1734 check_func  gethrtime
1735 check_func  getrusage
1736 check_func  inet_aton $network_extralibs
1737 check_func  memalign
1738 check_func  mkstemp
1739 check_func_headers windows.h GetProcessTimes
1740
1741 check_header conio.h
1742 check_header dlfcn.h
1743 check_header malloc.h
1744 check_header poll.h
1745 check_header sys/mman.h
1746 check_header sys/resource.h
1747 check_header sys/select.h
1748 check_header termios.h
1749
1750 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1751     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1752 fi
1753
1754 enabled  zlib && check_lib  zlib.h      zlibVersion -lz   || disable  zlib
1755 enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1756
1757 # check for some common methods of building with pthread support
1758 # do this before the optional library checks as some of them require pthreads
1759 if enabled pthreads; then
1760     if check_func pthread_create; then
1761         :
1762     elif check_func pthread_create -pthread; then
1763         add_cflags -pthread
1764         add_extralibs -pthread
1765     elif check_func pthread_create -pthreads; then
1766         add_cflags -pthreads
1767         add_extralibs -pthreads
1768     elif check_func pthread_create -lpthreadGC2; then
1769         add_extralibs -lpthreadGC2
1770     elif ! check_lib pthread.h pthread_create -lpthread; then
1771         die "ERROR: can't find pthreads library"
1772     fi
1773 fi
1774
1775 for thread in $THREADS_LIST; do
1776     if enabled $thread; then
1777         test -n "$thread_type" &&
1778             die "ERROR: Only one thread type must be selected." ||
1779             thread_type="$thread"
1780     fi
1781 done
1782
1783 check_lib math.h sin -lm
1784
1785 # test for C99 functions in math.h
1786 for func in llrint lrint lrintf round roundf; do
1787     check_exec <<EOF && enable $func || disable $func
1788 #include <math.h>
1789 int main(void) { return ($func(3.999f) > 0)?0:1; }
1790 EOF
1791 done
1792
1793 # these are off by default, so fail if requested and not available
1794 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1795 enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1796 enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1797 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
1798                       require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1799                       require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1800 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1801 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1802 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1803 enabled libmp3lame && require  LAME lame/lame.h lame_init -lmp3lame -lm
1804 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1805 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1806                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1807 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
1808 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1809 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1810 enabled libx264    && require  x264 x264.h x264_encoder_open -lx264 -lm &&
1811                       { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1812                         die "ERROR: libx264 version must be >= 0.65."; }
1813 enabled libxvid    && require  Xvid xvid.h xvid_global -lxvidcore
1814 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1815
1816 # libdc1394 check
1817 if enabled libdc1394; then
1818     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1819         enable libdc1394_2; } ||
1820     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1821         enable libdc1394_1; } ||
1822     die "ERROR: No version of libdc1394 found "
1823 fi
1824
1825
1826 _restrict=
1827 for restrict_keyword in restrict __restrict__ __restrict; do
1828     check_cc <<EOF && _restrict=$restrict_keyword && break
1829 void foo(char * $restrict_keyword p);
1830 EOF
1831 done
1832
1833 test "$vhook" = "default" && vhook="$dlopen"
1834
1835 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1836     disable vhook
1837     echo
1838     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1839     echo "Patches welcome."
1840     echo
1841 fi
1842
1843 if enabled vhook; then
1844     check_ldflags -rdynamic
1845     check_ldflags -export-dynamic
1846 fi
1847
1848 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1849 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1850
1851 ##########################################
1852 # SDL check
1853
1854 disable sdl_too_old
1855 disable sdl
1856 SDL_CONFIG="${cross_prefix}sdl-config"
1857 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1858     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1859     temp_cflags $sdl_cflags
1860     temp_extralibs `"${SDL_CONFIG}" --libs`
1861     if check_lib2 SDL.h SDL_Init; then
1862         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1863         if test "$_sdlversion" -lt 121 ; then
1864             enable sdl_too_old
1865         else
1866             enable sdl
1867             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1868 #include <SDL.h>
1869 int main(int argc, char **argv){
1870     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1871     int w = vi->current_w;
1872     return 0;
1873 }
1874 EOF
1875         fi
1876     fi
1877     restore_flags
1878 fi
1879
1880 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1881
1882 ##########################################
1883 # Network check
1884
1885 if enabled network; then
1886     check_type sys/socket.h socklen_t
1887     # Prefer arpa/inet.h over winsock2
1888     if check_header arpa/inet.h ; then
1889         check_func closesocket
1890     elif check_header winsock2.h ; then
1891         network_extralibs="-lws2_32"
1892         check_type ws2tcpip.h socklen_t
1893         check_func_headers winsock2.h closesocket
1894     fi
1895 fi
1896
1897 ##########################################
1898 # IPv6 check
1899
1900 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1901 #include <sys/types.h>
1902 #include <sys/socket.h>
1903 #include <netinet/in.h>
1904 #include <netdb.h>
1905 int main(void) {
1906     struct sockaddr_storage saddr;
1907     struct ipv6_mreq mreq6;
1908     getaddrinfo(0,0,0,0);
1909     getnameinfo(0,0,0,0,0,0,0);
1910     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1911 }
1912 EOF
1913
1914 check_header linux/videodev.h
1915 check_header linux/videodev2.h
1916 check_header sys/videoio.h
1917
1918 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1919
1920 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1921 { check_header dev/bktr/ioctl_meteor.h &&
1922   check_header dev/bktr/ioctl_bt848.h; } ||
1923 { check_header machine/ioctl_meteor.h &&
1924   check_header machine/ioctl_bt848.h; } ||
1925 { check_header dev/video/meteor/ioctl_meteor.h &&
1926   check_header dev/video/bktr/ioctl_bt848.h; } ||
1927 check_header dev/ic/bt8xx.h
1928
1929 check_header sys/soundcard.h
1930 check_header soundcard.h
1931
1932 # deal with the X11 frame grabber
1933 enabled x11grab                         &&
1934 check_header X11/Xlib.h                 &&
1935 check_header X11/extensions/XShm.h      &&
1936 check_func XOpenDisplay -lX11           &&
1937 check_func XShmCreateImage -lX11 -lXext
1938
1939 enabled debug && add_cflags -g"$debuglevel"
1940
1941 # add some useful compiler flags if supported
1942 check_cflags -Wdeclaration-after-statement
1943 check_cflags -Wall
1944 check_cflags -Wno-switch
1945 check_cflags -Wdisabled-optimization
1946 check_cflags -Wpointer-arith
1947 check_cflags -Wredundant-decls
1948 check_cflags -Wno-pointer-sign
1949 check_cflags -Wcast-qual
1950 check_cflags -Wwrite-strings
1951 check_cflags -Wtype-limits
1952 enabled extra_warnings && check_cflags -Winline
1953
1954 # add some linker flags
1955 check_ldflags -Wl,--warn-common
1956 check_ldflags -Wl,--as-needed
1957 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'
1958 check_ldflags -Wl,-Bsymbolic
1959
1960 if enabled small; then
1961     check_cflags -Os            # not all compilers support -Os
1962     optimizations="small"
1963 elif enabled optimizations; then
1964     if $cc -v 2>&1 | grep -q xlc; then
1965         add_cflags  "-O5"
1966         add_ldflags "-O5"
1967     else
1968         add_cflags "-O3"
1969     fi
1970 fi
1971 check_cflags -fno-math-errno
1972 check_cflags -fno-signed-zeros
1973
1974 # add some flags for Intel C Compiler
1975 if $cc --version 2> /dev/null | grep -q Intel; then
1976   # Just warnings, no remarks
1977   check_cflags -w1
1978   # -wd: Disable following warnings
1979   # 144, 167, 556: -Wno-pointer-sign
1980   # 10006: ignoring unknown option -fno-signed-zeros
1981   # 10156: ignoring option '-W'; no argument required
1982   check_cflags -wd144,167,556,10006,10156
1983   # 11030: Warning unknown option --as-needed
1984   # 10156: ignoring option '-export'; no argument required
1985   check_ldflags -wd10156,11030
1986   # Allow to compile with optimizations
1987   check_ldflags -march=$cpu
1988 fi
1989
1990 # PIC flags for shared library objects where they are needed
1991 if enabled shared; then
1992     # LIBOBJFLAGS may have already been set in the OS configuration
1993     if test -z "$LIBOBJFLAGS" ; then
1994         case "$arch" in
1995             x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
1996         esac
1997     fi
1998 fi
1999
2000 if enabled gprof; then
2001     add_cflags  "-p"
2002     add_ldflags "-p"
2003 fi
2004
2005 VHOOKCFLAGS="-fPIC"
2006
2007 # Find out if the .align argument is a power of two or not.
2008 if test $asmalign_pot = "unknown"; then
2009     disable asmalign_pot
2010     echo '__asm__ (".align 3");' | check_cc && enable asmalign_pot
2011 fi
2012
2013 enabled_any $DECODER_LIST      && enable decoders
2014 enabled_any $ENCODER_LIST      && enable encoders
2015 enabled_any $BSF_LIST          && enable bsfs
2016 enabled_any $DEMUXER_LIST      && enable demuxers
2017 enabled_any $MUXER_LIST        && enable muxers
2018 enabled_any $FILTER_LIST       && enable filters
2019 enabled_any $INDEV_LIST        && enable demuxers
2020 enabled_any $OUTDEV_LIST       && enable muxers
2021 enabled_any $PROTOCOL_LIST     && enable protocols
2022
2023 enabled_any $THREADS_LIST      && enable threads
2024
2025 check_deps $CONFIG_LIST       \
2026            $CONFIG_EXTRA      \
2027            $HAVE_LIST         \
2028            $DECODER_LIST      \
2029            $ENCODER_LIST      \
2030            $PARSER_LIST       \
2031            $BSF_LIST          \
2032            $DEMUXER_LIST      \
2033            $MUXER_LIST        \
2034            $FILTER_LIST       \
2035            $INDEV_LIST        \
2036            $OUTDEV_LIST       \
2037            $PROTOCOL_LIST     \
2038
2039 enabled libdc1394 && append pkg_requires "libraw1394"
2040 enabled libdirac  && append pkg_requires "dirac"
2041 enabled libtheora && append pkg_requires "theora"
2042 enabled libvorbis && append pkg_requires "vorbisenc"
2043
2044 echo "install prefix            $prefix"
2045 echo "source path               $source_path"
2046 echo "C compiler                $cc"
2047 echo ".align is power-of-two    $asmalign_pot"
2048 echo "ARCH                      $arch ($cpu)"
2049 if test "$build_suffix" != ""; then
2050     echo "build suffix              $build_suffix"
2051 fi
2052 if test "$extra_version" != ""; then
2053     echo "version string suffix     $extra_version"
2054 fi
2055 echo "big-endian                ${bigendian-no}"
2056 if test $arch = "x86_32" -o $arch = "x86_64"; then
2057     echo "yasm                      ${yasm-no}"
2058     echo "MMX enabled               ${mmx-no}"
2059     echo "CMOV enabled              ${cmov-no}"
2060     echo "CMOV is fast              ${fast_cmov-no}"
2061     echo "EBX available             ${ebx_available-no}"
2062     echo "EBP available             ${ebp_available-no}"
2063 fi
2064 if test $arch = "armv4l"; then
2065     echo "ARMv5TE enabled           ${armv5te-no}"
2066     echo "ARMv6 enabled             ${armv6-no}"
2067     echo "ARM VFP enabled           ${armvfp-no}"
2068     echo "IWMMXT enabled            ${iwmmxt-no}"
2069     echo "NEON enabled              ${neon-no}"
2070 fi
2071 if test $arch = "mips"; then
2072     echo "MMI enabled               ${mmi-no}"
2073 fi
2074 if test $arch = "powerpc"; then
2075     echo "AltiVec enabled           ${altivec-no}"
2076     echo "dcbzl available           ${dcbzl-no}"
2077 fi
2078 echo "gprof enabled             ${gprof-no}"
2079 echo "debug symbols             ${debug-no}"
2080 echo "strip symbols             ${stripping-no}"
2081 echo "optimizations             ${optimizations-no}"
2082 echo "static                    ${static-no}"
2083 echo "shared                    ${shared-no}"
2084 echo "postprocessing support    ${postproc-no}"
2085 echo "software scaler enabled   ${swscale-no}"
2086 echo "new filter support        ${avfilter-no}"
2087 echo "filters using lavformat   ${avfilter_lavf-no}"
2088 echo "video hooking             ${vhook-no}"
2089 if enabled vhook; then
2090     echo "Imlib2 support            ${imlib2-no}"
2091     echo "FreeType support          ${freetype2-no}"
2092 fi
2093 echo "network support           ${network-no}"
2094 if enabled network; then
2095     echo "IPv6 support              ${ipv6-no}"
2096 fi
2097 echo "threading support         ${thread_type-no}"
2098 echo "SDL support               ${sdl-no}"
2099 if enabled sdl_too_old; then
2100     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2101 fi
2102 echo "Sun medialib support      ${mlib-no}"
2103 echo "AVISynth enabled          ${avisynth-no}"
2104 echo "libamr-nb support         ${libamr_nb-no}"
2105 echo "libamr-wb support         ${libamr_wb-no}"
2106 echo "libdc1394 support         ${libdc1394-no}"
2107 echo "libdirac enabled          ${libdirac-no}"
2108 echo "libfaac enabled           ${libfaac-no}"
2109 echo "libfaad enabled           ${libfaad-no}"
2110 echo "libfaad dlopened          ${libfaadbin-no}"
2111 echo "libgsm enabled            ${libgsm-no}"
2112 echo "libmp3lame enabled        ${libmp3lame-no}"
2113 echo "libnut enabled            ${libnut-no}"
2114 echo "libschroedinger enabled   ${libschroedinger-no}"
2115 echo "libspeex enabled          ${libspeex-no}"
2116 echo "libtheora enabled         ${libtheora-no}"
2117 echo "libvorbis enabled         ${libvorbis-no}"
2118 echo "libx264 enabled           ${libx264-no}"
2119 echo "libxvid enabled           ${libxvid-no}"
2120 echo "zlib enabled              ${zlib-no}"
2121 echo "bzlib enabled             ${bzlib-no}"
2122 echo
2123
2124 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2125     echo "Enabled ${type}s:"
2126     eval list=\$$(toupper $type)_LIST
2127     for part in $list; do
2128         enabled $part && echo ${part%_*}
2129     done | sort | pr -3 -t
2130     echo
2131 done
2132
2133 license="LGPL"
2134 if enabled nonfree; then
2135     license="unredistributable"
2136 elif enabled gpl; then
2137     license="GPL"
2138 fi
2139
2140 echo "License: $license"
2141
2142 echo "Creating config.mak and config.h..."
2143
2144 echo "# Automatically generated by configure - do not modify!" > config.mak
2145 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2146 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2147 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2148 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2149
2150 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2151 echo "prefix=$prefix" >> config.mak
2152 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2153 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2154 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2155 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2156 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2157 echo "CC=$cc" >> config.mak
2158 echo "YASM=$yasmexe" >> config.mak
2159 echo "AR=$ar" >> config.mak
2160 echo "RANLIB=$ranlib" >> config.mak
2161 echo "LN_S=$ln_s" >> config.mak
2162 enabled stripping &&
2163     echo "STRIP=$strip" >> config.mak ||
2164     echo "STRIP=echo ignoring strip" >> config.mak
2165
2166 echo "OPTFLAGS=$CFLAGS" >> config.mak
2167 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2168 echo "LDFLAGS=$LDFLAGS" >> config.mak
2169 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2170 echo "SHFLAGS=$SHFLAGS" >> config.mak
2171 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2172 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2173 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2174 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2175 echo "BUILD_STATIC=$static" >> config.mak
2176 echo "BUILDSUF=$build_suffix" >> config.mak
2177 echo "FULLNAME=$FULLNAME" >> config.mak
2178 echo "LIBPREF=$LIBPREF" >> config.mak
2179 echo "LIBSUF=$LIBSUF" >> config.mak
2180 echo "LIBNAME=$LIBNAME" >> config.mak
2181 echo "SLIBPREF=$SLIBPREF" >> config.mak
2182 echo "SLIBSUF=$SLIBSUF" >> config.mak
2183 echo "EXESUF=$EXESUF" >> config.mak
2184 echo "EXTRA_VERSION=$extra_version" >> config.mak
2185 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2186
2187 if enabled bigendian; then
2188     echo "WORDS_BIGENDIAN=yes" >> config.mak
2189     echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2190 fi
2191
2192 if enabled sdl; then
2193     echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2194     echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2195 fi
2196 if enabled texi2html; then
2197     echo "BUILD_DOC=yes" >> config.mak
2198 fi
2199
2200 get_version(){
2201     name=$1
2202     file=$source_path/$2
2203     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2204     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2205     lcname=$(tolower $name)
2206     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2207     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2208 }
2209
2210 get_version LIBSWSCALE  libswscale/swscale.h
2211 get_version LIBPOSTPROC libpostproc/postprocess.h
2212 get_version LIBAVCODEC  libavcodec/avcodec.h
2213 get_version LIBAVDEVICE libavdevice/avdevice.h
2214 get_version LIBAVFORMAT libavformat/avformat.h
2215 get_version LIBAVUTIL   libavutil/avutil.h
2216 get_version LIBAVFILTER libavfilter/avfilter.h
2217
2218 if enabled shared; then
2219     echo "BUILD_SHARED=yes" >> config.mak
2220     echo "PIC=-fPIC -DPIC" >> config.mak
2221     echo "LIBTARGET=${LIBTARGET}" >> config.mak
2222     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2223     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2224     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2225     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2226     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2227     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2228     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2229 fi
2230 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2231 echo "EXTRALIBS=$extralibs" >> config.mak
2232
2233 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2234 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2235 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2236                                       $CONFIG_EXTRA      \
2237                                       $DECODER_LIST      \
2238                                       $ENCODER_LIST      \
2239                                       $PARSER_LIST       \
2240                                       $BSF_LIST          \
2241                                       $DEMUXER_LIST      \
2242                                       $MUXER_LIST        \
2243                                       $FILTER_LIST       \
2244                                       $PROTOCOL_LIST     \
2245                                       $INDEV_LIST        \
2246                                       $OUTDEV_LIST       \
2247
2248 echo "#define restrict $_restrict" >> $TMPH
2249
2250 if enabled small; then
2251     echo "#define av_always_inline"  >> $TMPH
2252 fi
2253
2254 echo "SRC_PATH=\"$source_path\"" >> config.mak
2255 echo "SRC_PATH_BARE=$source_path" >> config.mak
2256 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2257
2258 # Apparently it's not possible to portably echo a backslash.
2259 enabled asmalign_pot &&
2260     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2261     printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2262
2263 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2264
2265 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2266
2267 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2268 cmp -s $TMPH config.h &&
2269     echo "config.h is unchanged" ||
2270     mv -f $TMPH config.h
2271
2272 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2273
2274 # build tree in object directory if source path is different from current one
2275 if enabled source_path_used; then
2276     DIRS="\
2277         doc               \
2278         libavcodec        \
2279         libavcodec/alpha  \
2280         libavcodec/armv4l \
2281         libavcodec/bfin   \
2282         libavcodec/i386   \
2283         libavcodec/mlib   \
2284         libavcodec/ppc    \
2285         libavcodec/sh4    \
2286         libavcodec/sparc  \
2287         libavdevice       \
2288         libavfilter       \
2289         libavformat       \
2290         libavutil         \
2291         libpostproc       \
2292         libswscale        \
2293         tests             \
2294         tools             \
2295         vhook             \
2296         "
2297     FILES="\
2298         Makefile             \
2299         common.mak           \
2300         subdir.mak           \
2301         doc/texi2pod.pl      \
2302         libavcodec/Makefile  \
2303         libavdevice/Makefile \
2304         libavfilter/Makefile \
2305         libavformat/Makefile \
2306         libavutil/Makefile   \
2307         libpostproc/Makefile \
2308         libswscale/Makefile  \
2309         "
2310     for dir in $DIRS ; do
2311         mkdir -p $dir
2312     done
2313     for f in $FILES ; do
2314         $ln_s "$source_path/$f" $f
2315     done
2316 fi
2317
2318
2319 # build pkg-config files
2320
2321 pkgconfig_generate(){
2322 name=$1
2323 shortname=${name#lib}
2324 comment=$2
2325 version=$3
2326 libs=$4
2327 requires=$5
2328 cat <<EOF > $name/$name.pc
2329 prefix=$prefix
2330 exec_prefix=\${prefix}
2331 libdir=$libdir
2332 includedir=$incdir
2333
2334 Name: $name
2335 Description: $comment
2336 Version: $version
2337 Requires: $(disabled shared && echo $requires)
2338 Requires.private: $(enabled shared && echo $requires)
2339 Conflicts:
2340 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2341 Libs.private: $(enabled shared && echo $libs)
2342 Cflags: -I\${includedir}
2343 EOF
2344 cat <<EOF > $name/$name-uninstalled.pc
2345 prefix=
2346 exec_prefix=
2347 libdir=\${pcfiledir}
2348 includedir=${source_path}
2349
2350 Name: $name
2351 Description: $comment
2352 Version: $version
2353 Requires: $requires
2354 Conflicts:
2355 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2356 Cflags: -I\${includedir}
2357 EOF
2358 }
2359
2360 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2361 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2362 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2363 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2364 enabled avfilter &&
2365     pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2366 enabled postproc &&
2367     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2368 if enabled swscale; then
2369     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2370 else
2371     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2372     apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2373 fi