--- a/nsprpub/TAG-INFO
+++ b/nsprpub/TAG-INFO
@@ -1,1 +1,1 @@
-NSPR_4_8_9_BETA2
+NSPR_4_8_9_BETA3

--- a/nsprpub/configure
+++ b/nsprpub/configure
@@ -62,17 +62,35 @@ ac_help="$ac_help
   --with-macos-sdk=dir    Location of platform SDK to use (Mac OS X only)"
 ac_help="$ac_help
   --enable-macos-target=VER
                           Set the minimum MacOS version needed at runtime
                           [10.2 for ppc, 10.4 for x86]"
 ac_help="$ac_help
   --disable-os2-high-mem  Disable high-memory support on OS/2"
 ac_help="$ac_help
-  --enable-thumb2              Enable Thumb-2 instruction set"
+"
+ac_help="$ac_help
+  --with-thumb[[=yes|no|toolchain-default]]
+                          Use Thumb instruction set (-mthumb)"
+ac_help="$ac_help
+  --with-thumb-interwork[[=yes|no|toolchain-default]]
+                           Use Thumb/ARM instuctions interwork (-mthumb-interwork)"
+ac_help="$ac_help
+  --with-arch=[[type|toolchain-default]]
+                           Use specific CPU features (-march=type)"
+ac_help="$ac_help
+  --with-fpu=[[type|toolchain-default]]
+                           Use specific FPU type (-mfpu=type)"
+ac_help="$ac_help
+  --with-float-abi=[[type|toolchain-default]]
+                           Use specific arm float ABI (-mfloat-abi=type)"
+ac_help="$ac_help
+  --with-soft-float[[=yes|no|toolchain-default]]
+                           Use soft float library (-msoft-float)"
 ac_help="$ac_help
   --with-symbian-sdk=SYMBIAN_SDK_DIR
                           The path to the Symbian SDK"
 ac_help="$ac_help
   --with-ccache[=path/to/ccache]
                           Enable compiling with ccache"
 ac_help="$ac_help
   --enable-strip          Enable stripping of shared libs and programs"
@@ -644,17 +662,17 @@ esac
 
 
 # Make sure we can run config.sub.
 if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then :
 else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:653: checking host system type" >&5
+echo "configure:671: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
 NONE)
   case $nonopt in
   NONE)
     if host_alias=`${CONFIG_SHELL-/bin/sh} $ac_config_guess`; then :
     else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; }
@@ -665,17 +683,17 @@ esac
 
 host=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $host_alias`
 host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:674: checking target system type" >&5
+echo "configure:692: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
 NONE)
   case $nonopt in
   NONE) target_alias=$host_alias ;;
   *) target_alias=$nonopt ;;
   esac ;;
@@ -683,17 +701,17 @@ esac
 
 target=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $target_alias`
 target_cpu=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 target_vendor=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$target" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:692: checking build system type" >&5
+echo "configure:710: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
 NONE)
   case $nonopt in
   NONE) build_alias=$host_alias ;;
   *) build_alias=$nonopt ;;
   esac ;;
@@ -736,17 +754,16 @@ NSINSTALL='$(MOD_DEPTH)/config/$(OBJDIR_
 NOSUCHFILE=/no-such-file
 LIBNSPR='-L$(dist_libdir) -lnspr$(MOD_MAJOR_VERSION)'
 LIBPLC='-L$(dist_libdir) -lplc$(MOD_MAJOR_VERSION)'
 CYGWIN_WRAPPER=
 MACOS_SDK_DIR=
 NEXT_ROOT=
 MT=
 MOZ_OS2_HIGH_MEMORY=1
-MOZ_THUMB2=
 PROFILE_GEN_CFLAGS=
 PROFILE_GEN_LDFLAGS=
 PROFILE_USE_CFLAGS=
 PROFILE_USE_LDFLAGS=
 
 RESOLVE_LINK_SYMBOLS=
 
 CFLAGS="${CFLAGS=}"
@@ -760,17 +777,17 @@ case "$target" in
 *-cygwin*|*-mingw*)
     # Check to see if we are really running in a msvc environemnt
     _WIN32_MSVC=
     for ac_prog in cl
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:769: checking for $ac_word" >&5
+echo "configure:786: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1191,17 +1208,17 @@ if test -z "$CXX"; then
 
     esac
 fi
 
 if test -z "$SKIP_PATH_CHECKS"; then
     # Extract the first word of "$WHOAMI whoami", so it can be a program name with args.
 set dummy $WHOAMI whoami; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1200: checking for $ac_word" >&5
+echo "configure:1217: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_WHOAMI'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   case "$WHOAMI" in
   /*)
   ac_cv_path_WHOAMI="$WHOAMI" # Let the user override the test with a path.
   ;;
   ?:/*)			 
@@ -1262,23 +1279,23 @@ if test "$target" != "$host"; then
     echo "cross compiling from $host to $target"
     cross_compiling=yes
 
     _SAVE_CC="$CC"
     _SAVE_CFLAGS="$CFLAGS"
     _SAVE_LDFLAGS="$LDFLAGS"
 
     echo $ac_n "checking for $host compiler""... $ac_c" 1>&6
-echo "configure:1271: checking for $host compiler" >&5
+echo "configure:1288: checking for $host compiler" >&5
     for ac_prog in $HOST_CC gcc cc /usr/ucb/cc
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1277: checking for $ac_word" >&5
+echo "configure:1294: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_HOST_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$HOST_CC"; then
   ac_cv_prog_HOST_CC="$HOST_CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1314,26 +1331,26 @@ test -n "$HOST_CC" || HOST_CC=""""
         HOST_LDFLAGS="$LDFLAGS"
     fi
 
     CC="$HOST_CC"
     CFLAGS="$HOST_CFLAGS"
     LDFLAGS="$HOST_LDFLAGS"
 
     echo $ac_n "checking whether the $host compiler ($HOST_CC $HOST_CFLAGS $HOST_LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1323: checking whether the $host compiler ($HOST_CC $HOST_CFLAGS $HOST_LDFLAGS) works" >&5
+echo "configure:1340: checking whether the $host compiler ($HOST_CC $HOST_CFLAGS $HOST_LDFLAGS) works" >&5
     cat > conftest.$ac_ext <<EOF
-#line 1325 "configure"
+#line 1342 "configure"
 #include "confdefs.h"
 
 int main() {
 return(0);
 ; return 0; }
 EOF
-if { (eval echo configure:1332: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1349: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_prog_host_cc_works=1 echo "$ac_t""yes" 1>&6
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   { echo "configure: error: installation or configuration problem: $host compiler $HOST_CC cannot create executables." 1>&2; exit 1; } 
 fi
@@ -1352,17 +1369,17 @@ rm -f conftest*
         ;;        
     esac            
 
     for ac_prog in $CC "${target_alias}-gcc" "${target}-gcc"
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1361: checking for $ac_word" >&5
+echo "configure:1378: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1386,17 +1403,17 @@ fi
 test -n "$CC" && break
 done
 test -n "$CC" || CC="echo"
 
     unset ac_cv_prog_CC
     # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1395: checking for $ac_word" >&5
+echo "configure:1412: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1416,17 +1433,17 @@ if test -n "$CC"; then
 else
   echo "$ac_t""no" 1>&6
 fi
 
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1425: checking for $ac_word" >&5
+echo "configure:1442: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_prog_rejected=no
@@ -1467,17 +1484,17 @@ else
 fi
 
   if test -z "$CC"; then
     case "`uname -s`" in
     *win32* | *WIN32*)
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1476: checking for $ac_word" >&5
+echo "configure:1493: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1499,33 +1516,33 @@ else
 fi
  ;;
     esac
   fi
   test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1508: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1525: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1519 "configure"
+#line 1536 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:1524: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1541: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
     ac_cv_prog_cc_cross=no
   else
     ac_cv_prog_cc_cross=yes
   fi
 else
@@ -1541,31 +1558,31 @@ ac_compile='${CC-cc} -c $CFLAGS $CPPFLAG
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo "$ac_t""$ac_cv_prog_cc_works" 1>&6
 if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1550: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1567: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:1555: checking whether we are using GNU C" >&5
+echo "configure:1572: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.c <<EOF
 #ifdef __GNUC__
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1564: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1581: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
 fi
 fi
 
 echo "$ac_t""$ac_cv_prog_gcc" 1>&6
 
@@ -1574,17 +1591,17 @@ if test $ac_cv_prog_gcc = yes; then
 else
   GCC=
 fi
 
 ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1583: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1600: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   echo 'void f(){}' > conftest.c
 if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
   ac_cv_prog_cc_g=yes
 else
   ac_cv_prog_cc_g=no
@@ -1611,17 +1628,17 @@ else
 fi
 
     if test -n "$USE_CPLUS"; then
         for ac_prog in $CXX "${target_alias}-g++" "${target}-g++"
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1620: checking for $ac_word" >&5
+echo "configure:1637: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CXX"; then
   ac_cv_prog_CXX="$CXX" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1647,17 +1664,17 @@ done
 test -n "$CXX" || CXX="echo"
 
         unset ac_cv_prog_CXX
         for ac_prog in $CCC c++ g++ gcc CC cxx cc++ cl
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1656: checking for $ac_word" >&5
+echo "configure:1673: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CXX"; then
   ac_cv_prog_CXX="$CXX" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1679,33 +1696,33 @@ else
 fi
 
 test -n "$CXX" && break
 done
 test -n "$CXX" || CXX="gcc"
 
 
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1688: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
+echo "configure:1705: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
 
 ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1699 "configure"
+#line 1716 "configure"
 #include "confdefs.h"
 
 int main(){return(0);}
 EOF
-if { (eval echo configure:1704: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1721: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cxx_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
     ac_cv_prog_cxx_cross=no
   else
     ac_cv_prog_cxx_cross=yes
   fi
 else
@@ -1721,31 +1738,31 @@ ac_compile='${CC-cc} -c $CFLAGS $CPPFLAG
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo "$ac_t""$ac_cv_prog_cxx_works" 1>&6
 if test $ac_cv_prog_cxx_works = no; then
   { echo "configure: error: installation or configuration problem: C++ compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1730: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1747: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cxx_cross" 1>&6
 cross_compiling=$ac_cv_prog_cxx_cross
 
 echo $ac_n "checking whether we are using GNU C++""... $ac_c" 1>&6
-echo "configure:1735: checking whether we are using GNU C++" >&5
+echo "configure:1752: checking whether we are using GNU C++" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.C <<EOF
 #ifdef __GNUC__
   yes;
 #endif
 EOF
-if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1744: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1761: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gxx=yes
 else
   ac_cv_prog_gxx=no
 fi
 fi
 
 echo "$ac_t""$ac_cv_prog_gxx" 1>&6
 
@@ -1754,17 +1771,17 @@ if test $ac_cv_prog_gxx = yes; then
 else
   GXX=
 fi
 
 ac_test_CXXFLAGS="${CXXFLAGS+set}"
 ac_save_CXXFLAGS="$CXXFLAGS"
 CXXFLAGS=
 echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
-echo "configure:1763: checking whether ${CXX-g++} accepts -g" >&5
+echo "configure:1780: checking whether ${CXX-g++} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cxx_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   echo 'void f(){}' > conftest.cc
 if test -z "`${CXX-g++} -g -c conftest.cc 2>&1`"; then
   ac_cv_prog_cxx_g=yes
 else
   ac_cv_prog_cxx_g=no
@@ -1799,17 +1816,17 @@ fi
         ;;
     esac
 
     for ac_prog in $RANLIB "${target_alias}-ranlib" "${target}-ranlib"
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1808: checking for $ac_word" >&5
+echo "configure:1825: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$RANLIB"; then
   ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1834,17 +1851,17 @@ test -n "$RANLIB" && break
 done
 test -n "$RANLIB" || RANLIB="echo"
 
     for ac_prog in $AR "${target_alias}-ar" "${target}-ar"
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1843: checking for $ac_word" >&5
+echo "configure:1860: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$AR"; then
   ac_cv_prog_AR="$AR" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1869,17 +1886,17 @@ test -n "$AR" && break
 done
 test -n "$AR" || AR="echo"
 
     for ac_prog in $AS "${target_alias}-as" "${target}-as"
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1878: checking for $ac_word" >&5
+echo "configure:1895: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$AS"; then
   ac_cv_prog_AS="$AS" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1904,17 +1921,17 @@ test -n "$AS" && break
 done
 test -n "$AS" || AS="echo"
 
     for ac_prog in $LD "${target_alias}-ld" "${target}-ld"
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1913: checking for $ac_word" >&5
+echo "configure:1930: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$LD"; then
   ac_cv_prog_LD="$LD" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1939,17 +1956,17 @@ test -n "$LD" && break
 done
 test -n "$LD" || LD="echo"
 
     for ac_prog in $STRIP "${target_alias}-strip" "${target}-strip"
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1948: checking for $ac_word" >&5
+echo "configure:1965: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$STRIP"; then
   ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1974,17 +1991,17 @@ test -n "$STRIP" && break
 done
 test -n "$STRIP" || STRIP="echo"
 
     for ac_prog in $WINDRES "${target_alias}-windres" "${target}-windres"
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1983: checking for $ac_word" >&5
+echo "configure:2000: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_WINDRES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$WINDRES"; then
   ac_cv_prog_WINDRES="$WINDRES" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -2009,17 +2026,17 @@ test -n "$WINDRES" && break
 done
 test -n "$WINDRES" || WINDRES="echo"
 
 
 else
     # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2018: checking for $ac_word" >&5
+echo "configure:2035: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -2039,17 +2056,17 @@ if test -n "$CC"; then
 else
   echo "$ac_t""no" 1>&6
 fi
 
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2048: checking for $ac_word" >&5
+echo "configure:2065: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_prog_rejected=no
@@ -2090,17 +2107,17 @@ else
 fi
 
   if test -z "$CC"; then
     case "`uname -s`" in
     *win32* | *WIN32*)
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2099: checking for $ac_word" >&5
+echo "configure:2116: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -2122,33 +2139,33 @@ else
 fi
  ;;
     esac
   fi
   test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:2131: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:2148: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 2142 "configure"
+#line 2159 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:2147: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2164: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
     ac_cv_prog_cc_cross=no
   else
     ac_cv_prog_cc_cross=yes
   fi
 else
@@ -2164,31 +2181,31 @@ ac_compile='${CC-cc} -c $CFLAGS $CPPFLAG
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo "$ac_t""$ac_cv_prog_cc_works" 1>&6
 if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:2173: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:2190: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:2178: checking whether we are using GNU C" >&5
+echo "configure:2195: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.c <<EOF
 #ifdef __GNUC__
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:2187: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:2204: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
 fi
 fi
 
 echo "$ac_t""$ac_cv_prog_gcc" 1>&6
 
@@ -2197,17 +2214,17 @@ if test $ac_cv_prog_gcc = yes; then
 else
   GCC=
 fi
 
 ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:2206: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:2223: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   echo 'void f(){}' > conftest.c
 if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
   ac_cv_prog_cc_g=yes
 else
   ac_cv_prog_cc_g=no
@@ -2237,17 +2254,17 @@ fi
         if test "$CC" = "cl" -a -z "$CXX"; then
             CXX=$CC
         else        
             for ac_prog in $CCC c++ g++ gcc CC cxx cc++ cl
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2246: checking for $ac_word" >&5
+echo "configure:2263: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CXX"; then
   ac_cv_prog_CXX="$CXX" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -2269,33 +2286,33 @@ else
 fi
 
 test -n "$CXX" && break
 done
 test -n "$CXX" || CXX="gcc"
 
 
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:2278: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
+echo "configure:2295: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
 
 ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 2289 "configure"
+#line 2306 "configure"
 #include "confdefs.h"
 
 int main(){return(0);}
 EOF
-if { (eval echo configure:2294: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2311: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cxx_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
     ac_cv_prog_cxx_cross=no
   else
     ac_cv_prog_cxx_cross=yes
   fi
 else
@@ -2311,31 +2328,31 @@ ac_compile='${CC-cc} -c $CFLAGS $CPPFLAG
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo "$ac_t""$ac_cv_prog_cxx_works" 1>&6
 if test $ac_cv_prog_cxx_works = no; then
   { echo "configure: error: installation or configuration problem: C++ compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:2320: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:2337: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cxx_cross" 1>&6
 cross_compiling=$ac_cv_prog_cxx_cross
 
 echo $ac_n "checking whether we are using GNU C++""... $ac_c" 1>&6
-echo "configure:2325: checking whether we are using GNU C++" >&5
+echo "configure:2342: checking whether we are using GNU C++" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.C <<EOF
 #ifdef __GNUC__
   yes;
 #endif
 EOF
-if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:2334: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:2351: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gxx=yes
 else
   ac_cv_prog_gxx=no
 fi
 fi
 
 echo "$ac_t""$ac_cv_prog_gxx" 1>&6
 
@@ -2344,17 +2361,17 @@ if test $ac_cv_prog_gxx = yes; then
 else
   GXX=
 fi
 
 ac_test_CXXFLAGS="${CXXFLAGS+set}"
 ac_save_CXXFLAGS="$CXXFLAGS"
 CXXFLAGS=
 echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
-echo "configure:2353: checking whether ${CXX-g++} accepts -g" >&5
+echo "configure:2370: checking whether ${CXX-g++} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cxx_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   echo 'void f(){}' > conftest.cc
 if test -z "`${CXX-g++} -g -c conftest.cc 2>&1`"; then
   ac_cv_prog_cxx_g=yes
 else
   ac_cv_prog_cxx_g=no
@@ -2378,80 +2395,80 @@ else
   else
     CXXFLAGS=
   fi
 fi
 
         fi
     fi
     echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:2387: checking how to run the C preprocessor" >&5
+echo "configure:2404: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
 if eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
     # This must be in double quotes, not single quotes, because CPP may get
   # substituted into the Makefile and "${CC-cc}" will confuse make.
   CPP="${CC-cc} -E"
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 2402 "configure"
-#include "confdefs.h"
-#include <assert.h>
-Syntax Error
-EOF
-ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2408: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
-ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
-if test -z "$ac_err"; then
-  :
-else
-  echo "$ac_err" >&5
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  CPP="${CC-cc} -E -traditional-cpp"
-  cat > conftest.$ac_ext <<EOF
 #line 2419 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
 { (eval echo configure:2425: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
 else
   echo "$ac_err" >&5
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  CPP="${CC-cc} -nologo -E"
+  CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
 #line 2436 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
 { (eval echo configure:2442: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
 else
   echo "$ac_err" >&5
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
+  CPP="${CC-cc} -nologo -E"
+  cat > conftest.$ac_ext <<EOF
+#line 2453 "configure"
+#include "confdefs.h"
+#include <assert.h>
+Syntax Error
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:2459: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  :
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
   CPP=/lib/cpp
 fi
 rm -f conftest*
 fi
 rm -f conftest*
 fi
 rm -f conftest*
   ac_cv_prog_CPP="$CPP"
@@ -2460,17 +2477,17 @@ fi
 else
   ac_cv_prog_CPP="$CPP"
 fi
 echo "$ac_t""$CPP" 1>&6
 
     # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2469: checking for $ac_word" >&5
+echo "configure:2486: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$RANLIB"; then
   ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -2492,17 +2509,17 @@ else
   echo "$ac_t""no" 1>&6
 fi
 
     for ac_prog in as
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2501: checking for $ac_word" >&5
+echo "configure:2518: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   case "$AS" in
   /*)
   ac_cv_path_AS="$AS" # Let the user override the test with a path.
   ;;
   ?:/*)			 
@@ -2533,17 +2550,17 @@ test -n "$AS" && break
 done
 test -n "$AS" || AS="$CC"
 
     for ac_prog in ar
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2542: checking for $ac_word" >&5
+echo "configure:2559: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   case "$AR" in
   /*)
   ac_cv_path_AR="$AR" # Let the user override the test with a path.
   ;;
   ?:/*)			 
@@ -2574,17 +2591,17 @@ test -n "$AR" && break
 done
 test -n "$AR" || AR="echo not_ar"
 
     for ac_prog in ld link
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2583: checking for $ac_word" >&5
+echo "configure:2600: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   case "$LD" in
   /*)
   ac_cv_path_LD="$LD" # Let the user override the test with a path.
   ;;
   ?:/*)			 
@@ -2615,17 +2632,17 @@ test -n "$LD" && break
 done
 test -n "$LD" || LD="echo not_ld"
 
     for ac_prog in strip
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2624: checking for $ac_word" >&5
+echo "configure:2641: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   case "$STRIP" in
   /*)
   ac_cv_path_STRIP="$STRIP" # Let the user override the test with a path.
   ;;
   ?:/*)			 
@@ -2656,17 +2673,17 @@ test -n "$STRIP" && break
 done
 test -n "$STRIP" || STRIP="echo not_strip"
 
     for ac_prog in windres
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2665: checking for $ac_word" >&5
+echo "configure:2682: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_WINDRES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   case "$WINDRES" in
   /*)
   ac_cv_path_WINDRES="$WINDRES" # Let the user override the test with a path.
   ;;
   ?:/*)			 
@@ -2724,39 +2741,39 @@ esac
 
 if test "$cross_compiling"  = "yes"; then
     CROSS_COMPILE=1
 else
     CROSS_COMPILE=
 fi
 
 echo $ac_n "checking for gcc -pipe support""... $ac_c" 1>&6
-echo "configure:2733: checking for gcc -pipe support" >&5
+echo "configure:2750: checking for gcc -pipe support" >&5
 if test -n "$GNU_CC" && test -n "$GNU_CXX" && test -n "$GNU_AS"; then
     echo '#include <stdio.h>' > dummy-hello.c
     echo 'int main() { printf("Hello World\n"); return 0; }' >> dummy-hello.c
     ${CC} -S dummy-hello.c -o dummy-hello.s 2>&5
     cat dummy-hello.s | ${AS} -o dummy-hello.S - 2>&5
     if test $? = 0; then
         _res_as_stdin="yes"
     else
         _res_as_stdin="no"
     fi
     if test "$_res_as_stdin" = "yes"; then
         _SAVE_CFLAGS=$CFLAGS
         CFLAGS="$CFLAGS -pipe"
         cat > conftest.$ac_ext <<EOF
-#line 2748 "configure"
+#line 2765 "configure"
 #include "confdefs.h"
  #include <stdio.h> 
 int main() {
 printf("Hello World\n");
 ; return 0; }
 EOF
-if { (eval echo configure:2755: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2772: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   _res_gcc_pipe="yes"
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   _res_gcc_pipe="no" 
 fi
@@ -2776,26 +2793,26 @@ else
     echo "$ac_t""no" 1>&6
 fi
 
 
 _SAVE_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -fprofile-generate -fprofile-correction"
 
 echo $ac_n "checking whether C compiler supports -fprofile-generate""... $ac_c" 1>&6
-echo "configure:2785: checking whether C compiler supports -fprofile-generate" >&5
+echo "configure:2802: checking whether C compiler supports -fprofile-generate" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2787 "configure"
+#line 2804 "configure"
 #include "confdefs.h"
 
 int main() {
 return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:2794: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2811: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
    PROFILE_GEN_CFLAGS="-fprofile-generate"
                  result="yes" 
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   result="no"
@@ -2808,17 +2825,17 @@ if test $result = "yes"; then
    PROFILE_USE_CFLAGS="-fprofile-use -fprofile-correction -Wcoverage-mismatch -freorder-blocks-and-partition"
    PROFILE_USE_LDFLAGS="-fprofile-use"
 fi
 
 CFLAGS="$_SAVE_CFLAGS"
 
 if test "$GNU_CC"; then
     echo $ac_n "checking for visibility(hidden) attribute""... $ac_c" 1>&6
-echo "configure:2817: checking for visibility(hidden) attribute" >&5
+echo "configure:2834: checking for visibility(hidden) attribute" >&5
 if eval "test \"`echo '$''{'ac_cv_visibility_hidden'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.c <<EOF
         int foo __attribute__ ((visibility ("hidden"))) = 1;
 EOF
         ac_cv_visibility_hidden=no
         if ${CC-cc} -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then
@@ -2832,17 +2849,17 @@ fi
 
 echo "$ac_t""$ac_cv_visibility_hidden" 1>&6
     if test "$ac_cv_visibility_hidden" = "yes"; then
         cat >> confdefs.h <<\EOF
 #define HAVE_VISIBILITY_HIDDEN_ATTRIBUTE 1
 EOF
 
         echo $ac_n "checking for visibility pragma support""... $ac_c" 1>&6
-echo "configure:2841: checking for visibility pragma support" >&5
+echo "configure:2858: checking for visibility pragma support" >&5
 if eval "test \"`echo '$''{'ac_cv_visibility_pragma'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.c <<EOF
 #pragma GCC visibility push(hidden)
             int foo_hidden = 1;
 #pragma GCC visibility push(default)
             int foo_default = 1;
@@ -2885,17 +2902,17 @@ fi # GNU_CC
 fi # SKIP_COMPILER_CHECKS
 
 if test -z "$SKIP_PATH_CHECKS"; then
     for ac_prog in perl5 perl
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2894: checking for $ac_word" >&5
+echo "configure:2911: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_PERL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   case "$PERL" in
   /*)
   ac_cv_path_PERL="$PERL" # Let the user override the test with a path.
   ;;
   ?:/*)			 
@@ -3097,50 +3114,220 @@ if test "${enable_os2_high_mem+set}" = s
    if test "$enableval" = "no"; then
         MOZ_OS2_HIGH_MEMORY=
       else
         MOZ_OS2_HIGH_MEMORY=1
       fi 
 fi
 
 
+
+case "${target}" in
+arm-android-eabi)
+    MOZ_THUMB=yes
+    MOZ_ARCH=armv7-a
+    MOZ_FPU=vfp
+    MOZ_FLOAT_ABI=softfp
+    ;;
+arm*-*)
+    if test -n "$MOZ_PLATFORM_MAEMO"; then
+        MOZ_THUMB=no
+        MOZ_ARCH=armv7-a
+        MOZ_FLOAT_ABI=softfp
+    fi
+    if test "$MOZ_PLATFORM_MAEMO" = 6; then
+        MOZ_THUMB=yes
+    fi
+    ;;
+esac
+
 # Check whether --enable-thumb2 or --disable-thumb2 was given.
 if test "${enable_thumb2+set}" = set; then
   enableval="$enable_thumb2"
-   if test "$enableval" = "yes"; then
-     MOZ_THUMB2=1,
-   fi 
-fi
-
-
-if test -n "$MOZ_THUMB2"; then
-  case "$target_cpu" in
-    arm*)
-      if test "$GNU_CC"; then
-        CFLAGS="$CFLAGS -march=armv7-a -mthumb"
-        CXXFLAGS="$CXXFLAGS -march=armv7-a -mthumb"
-        ASFLAGS="$ASFLAGS -march=armv7-a -mthumb"
-      else
-        { echo "configure: error: --enable-thumb2 is not supported for non-GNU toolchains" 1>&2; exit 1; }
-      fi
+  MOZ_THUMB=$enableval
+fi
+
+
+# Check whether --with-thumb or --without-thumb was given.
+if test "${with_thumb+set}" = set; then
+  withval="$with_thumb"
+  if test -z "$GNU_CC"; then
+        { echo "configure: error: --with-thumb is not supported on non-GNU toolchain-defaults" 1>&2; exit 1; }
+    fi
+    MOZ_THUMB=$withval
+fi
+
+
+# Check whether --with-thumb-interwork or --without-thumb-interwork was given.
+if test "${with_thumb_interwork+set}" = set; then
+  withval="$with_thumb_interwork"
+  if test -z "$GNU_CC"; then
+        { echo "configure: error: --with-thumb-interwork is not supported on non-GNU toolchain-defaults" 1>&2; exit 1; }
+    fi
+    MOZ_THUMB_INTERWORK=$withval
+fi
+
+
+# Check whether --with-arch or --without-arch was given.
+if test "${with_arch+set}" = set; then
+  withval="$with_arch"
+  if test -z "$GNU_CC"; then
+        { echo "configure: error: --with-arch is not supported on non-GNU toolchain-defaults" 1>&2; exit 1; }
+    fi
+    MOZ_ARCH=$withval
+fi
+
+
+# Check whether --with-fpu or --without-fpu was given.
+if test "${with_fpu+set}" = set; then
+  withval="$with_fpu"
+  if test -z "$GNU_CC"; then
+        { echo "configure: error: --with-fpu is not supported on non-GNU toolchain-defaults" 1>&2; exit 1; }
+    fi
+    MOZ_FPU=$withval
+fi
+
+
+# Check whether --with-float-abi or --without-float-abi was given.
+if test "${with_float_abi+set}" = set; then
+  withval="$with_float_abi"
+  if test -z "$GNU_CC"; then
+        { echo "configure: error: --with-float-abi is not supported on non-GNU toolchain-defaults" 1>&2; exit 1; }
+    fi
+    MOZ_FLOAT_ABI=$withval
+fi
+
+
+# Check whether --with-soft-float or --without-soft-float was given.
+if test "${with_soft_float+set}" = set; then
+  withval="$with_soft_float"
+  if test -z "$GNU_CC"; then
+        { echo "configure: error: --with-soft-float is not supported on non-GNU toolchain-defaults" 1>&2; exit 1; }
+    fi
+    MOZ_SOFT_FLOAT=$withval
+fi
+
+
+case "$MOZ_ARCH" in
+toolchain-default|"")
+    arch_flag=""
+    ;;
+*)
+    arch_flag="-march=$MOZ_ARCH"
+    ;;
+esac
+
+case "$MOZ_THUMB" in
+yes)
+    MOZ_THUMB2=1
+    thumb_flag="-mthumb"
+    ;;
+no)
+    MOZ_THUMB2=
+    thumb_flag="-marm"
     ;;
-    *)
-      { echo "configure: error: --enable-thumb2 is not supported for non-ARM CPU architectures" 1>&2; exit 1; }
+*)
+    _SAVE_CFLAGS="$CFLAGS"
+    CFLAGS="$arch_flag"
+    cat > conftest.$ac_ext <<EOF
+#line 3232 "configure"
+#include "confdefs.h"
+
+int main() {
+return sizeof(__thumb2__);
+; return 0; }
+EOF
+if { (eval echo configure:3239: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  MOZ_THUMB2=1
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  MOZ_THUMB2=
+fi
+rm -f conftest*
+    CFLAGS="$_SAVE_CFLAGS"
+    thumb_flag=""
+    ;;
+esac
+
+case "$MOZ_THUMB_INTERWORK" in
+yes)
+    thumb_interwork_flag="-mthumb-interwork"
+    ;;
+no)
+    thumb_interwork_flag="-mno-thumb-interwork"
+    ;;
+*) # toolchain-default
+    thumb_interwork_flag=""
+    ;;
+esac
+
+case "$MOZ_FPU" in
+toolchain-default|"")
+    fpu_flag=""
+    ;;
+*)
+    fpu_flag="-mfpu=$MOZ_FPU"
     ;;
-  esac
-else
-  case "$target" in
-    arm-android-eabi)
-      if test "$GNU_CC"; then
-        CFLAGS="$CFLAGS -march=armv5te -mthumb-interwork"
-        CXXFLAGS="$CXXFLAGS -march=armv5te -mthumb-interwork"
-        ASFLAGS="$ASFLAGS -march=armv5te -mthumb-interwork"
-      fi
-      ;;
-  esac
+esac
+
+case "$MOZ_FLOAT_ABI" in
+toolchain-default|"")
+    float_abi_flag=""
+    ;;
+*)
+    float_abi_flag="-mfloat-abi=$MOZ_FLOAT_ABI"
+    ;;
+esac
+
+case "$MOZ_SOFT_FLOAT" in
+yes)
+    soft_float_flag="-msoft-float"
+    ;;
+no)
+    soft_float_flag="-mno-soft-float"
+    ;;
+*) # toolchain-default
+    soft_float_flag=""
+    ;;
+esac
+
+all_flags=`echo $arch_flag $thumb_flag $thumb_interwork_flag $fpu_flag $float_abi_flag $soft_float_flag`
+if test -n "$all_flags"; then
+    _SAVE_CFLAGS="$CFLAGS"
+    CFLAGS="$all_flags"
+    echo $ac_n "checking whether the chosen combination of compiler flags ($all_flags) works""... $ac_c" 1>&6
+echo "configure:3301: checking whether the chosen combination of compiler flags ($all_flags) works" >&5
+    cat > conftest.$ac_ext <<EOF
+#line 3303 "configure"
+#include "confdefs.h"
+
+int main() {
+return 0;
+; return 0; }
+EOF
+if { (eval echo configure:3310: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  echo "$ac_t""yes" 1>&6
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  { echo "configure: error: no" 1>&2; exit 1; }
+fi
+rm -f conftest*
+
+    CFLAGS="$_SAVE_CFLAGS $all_flags"
+    CXXFLAGS="$CXXFLAGS $all_flags"
+    ASFLAGS="$ASFLAGS $all_flags"
+    if test -n "$thumb_flag"; then
+        LDFLAGS="$LDFLAGS $thumb_flag"
+    fi
 fi
 
 case "$host" in
 *-mingw*)
     NSINSTALL=nsinstall
     ;;
 *-cygwin*|*-msvc*|*-mks*|*-wince*|*-winmo*)
     NSINSTALL='$(CYGWIN_WRAPPER) nsinstall'
@@ -3171,27 +3358,27 @@ EOF
 
     cat >> confdefs.h <<\EOF
 #define SYSV 1
 EOF
 
     DSO_LDOPTS='-brtl -bnortllib -bM:SRE -bnoentry -bexpall -blibpath:/usr/lib:/lib'
     ac_safe=`echo "sys/atomic_op.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for sys/atomic_op.h""... $ac_c" 1>&6
-echo "configure:3180: checking for sys/atomic_op.h" >&5
+echo "configure:3367: checking for sys/atomic_op.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3185 "configure"
+#line 3372 "configure"
 #include "confdefs.h"
 #include <sys/atomic_op.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3190: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3377: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
   eval "ac_cv_header_$ac_safe=yes"
 else
   echo "$ac_err" >&5
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
@@ -3377,36 +3564,36 @@ EOF
     PR_MD_ARCH_DIR=beos
     RESOLVE_LINK_SYMBOLS=1
     case "${target_cpu}" in
     i*86)
         _OPTIMIZE_FLAGS=-O2
         _DEBUG_FLAGS='-gdwarf-2 -O0'
         MKSHLIB='$(CCC) $(DSO_LDOPTS) -o $@'
         echo $ac_n "checking for gethostbyaddr in -lbind""... $ac_c" 1>&6
-echo "configure:3386: checking for gethostbyaddr in -lbind" >&5
+echo "configure:3573: checking for gethostbyaddr in -lbind" >&5
 ac_lib_var=`echo bind'_'gethostbyaddr | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lbind  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3394 "configure"
+#line 3581 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char gethostbyaddr();
 
 int main() {
 gethostbyaddr()
 ; return 0; }
 EOF
-if { (eval echo configure:3405: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3592: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=no"
 fi
@@ -4748,27 +4935,27 @@ EOF
     if test -z "$GNU_CC"; then
         CC="$CC -std1 -ieee_with_inexact"
         if test "$OS_RELEASE" != "V2.0"; then
             CC="$CC -readonly_strings"
         fi
         _OPTIMIZE_FLAGS="$_OPTIMIZE_FLAGS -Olimit 4000"
         ac_safe=`echo "machine/builtins.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for machine/builtins.h""... $ac_c" 1>&6
-echo "configure:4757: checking for machine/builtins.h" >&5
+echo "configure:4944: checking for machine/builtins.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4762 "configure"
+#line 4949 "configure"
 #include "confdefs.h"
 #include <machine/builtins.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4767: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4954: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
   eval "ac_cv_header_$ac_safe=yes"
 else
   echo "$ac_err" >&5
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
@@ -5407,63 +5594,63 @@ if test -z "$SKIP_LIBRARY_CHECKS"; then
 
 
 
 case $target in
 *-darwin*|*-beos*|*-os2*)
     ;;
 *)
     echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:5416: checking for dlopen in -ldl" >&5
+echo "configure:5603: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5424 "configure"
+#line 5611 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char dlopen();
 
 int main() {
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:5435: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5622: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=no"
 fi
 rm -f conftest*
 LIBS="$ac_save_LIBS"
 
 fi
 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   ac_safe=`echo "dlfcn.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dlfcn.h""... $ac_c" 1>&6
-echo "configure:5452: checking for dlfcn.h" >&5
+echo "configure:5639: checking for dlfcn.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5457 "configure"
+#line 5644 "configure"
 #include "confdefs.h"
 #include <dlfcn.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5462: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5649: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
   eval "ac_cv_header_$ac_safe=yes"
 else
   echo "$ac_err" >&5
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
@@ -5486,23 +5673,23 @@ fi
     ;;
 esac
 
 
 
 
 if test $ac_cv_prog_gcc = yes; then
     echo $ac_n "checking whether ${CC-cc} needs -traditional""... $ac_c" 1>&6
-echo "configure:5495: checking whether ${CC-cc} needs -traditional" >&5
+echo "configure:5682: checking whether ${CC-cc} needs -traditional" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc_traditional'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
     ac_pattern="Autoconf.*'x'"
   cat > conftest.$ac_ext <<EOF
-#line 5501 "configure"
+#line 5688 "configure"
 #include "confdefs.h"
 #include <sgtty.h>
 Autoconf TIOCGETP
 EOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
   egrep "$ac_pattern" >/dev/null 2>&1; then
   rm -rf conftest*
   ac_cv_prog_gcc_traditional=yes
@@ -5510,17 +5697,17 @@ else
   rm -rf conftest*
   ac_cv_prog_gcc_traditional=no
 fi
 rm -f conftest*
 
 
   if test $ac_cv_prog_gcc_traditional = no; then
     cat > conftest.$ac_ext <<EOF
-#line 5519 "configure"
+#line 5706 "configure"
 #include "confdefs.h"
 #include <termio.h>
 Autoconf TCGETA
 EOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
   egrep "$ac_pattern" >/dev/null 2>&1; then
   rm -rf conftest*
   ac_cv_prog_gcc_traditional=yes
@@ -5534,22 +5721,22 @@ echo "$ac_t""$ac_cv_prog_gcc_traditional
   if test $ac_cv_prog_gcc_traditional = yes; then
     CC="$CC -traditional"
   fi
 fi
 
 for ac_func in lchown strerror
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5543: checking for $ac_func" >&5
+echo "configure:5730: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5548 "configure"
+#line 5735 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
 #include <assert.h>
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
@@ -5562,17 +5749,17 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
 $ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:5571: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5758: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=no"
 fi
@@ -5613,17 +5800,17 @@ if test "$CCACHE" != "no"; then
             fi
         fi
     fi
     for ac_prog in $CCACHE ccache
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5622: checking for $ac_word" >&5
+echo "configure:5809: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_CCACHE'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   case "$CCACHE" in
   /*)
   ac_cv_path_CCACHE="$CCACHE" # Let the user override the test with a path.
   ;;
   ?:/*)			 
@@ -5672,17 +5859,17 @@ if test "${enable_strip+set}" = set; the
 fi
 
 
 case "${target_os}" in
 hpux*)
 if test -z "$GNU_CC"; then
 
     echo $ac_n "checking for +Olit support""... $ac_c" 1>&6
-echo "configure:5681: checking for +Olit support" >&5
+echo "configure:5868: checking for +Olit support" >&5
 if eval "test \"`echo '$''{'ac_cv_hpux_usable_olit_option'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
                   ac_cv_hpux_usable_olit_option=no
         rm -f conftest*
         echo 'int main() { return 0; }' | cat > conftest.c
         ${CC-cc} ${CFLAGS} +Olit=all -o conftest conftest.c > conftest.out 2>&1
         if test $? -eq 0; then
@@ -5714,17 +5901,17 @@ darwin*)
     _HAVE_PTHREADS=1
     ;;
 wince*)
     _HAVE_PTHREADS=
     ;;
 *)
     
 echo $ac_n "checking for pthread_create in -lpthreads""... $ac_c" 1>&6
-echo "configure:5723: checking for pthread_create in -lpthreads" >&5
+echo "configure:5910: checking for pthread_create in -lpthreads" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { return v; } 
     int main() { 
         pthread_t t;
         if (!pthread_create(&t, 0, &foo, 0)) {
             pthread_join(t, 0);
         }
@@ -5736,17 +5923,17 @@ echo "
     rm -f dummy.c dummy${ac_exeext} ;
     if test "$_res" = "0"; then
         echo "$ac_t""yes" 1>&6
         _HAVE_PTHREADS=1 _PTHREAD_LDFLAGS="-lpthreads"
     else
         echo "$ac_t""no" 1>&6
         
 echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
-echo "configure:5745: checking for pthread_create in -lpthread" >&5
+echo "configure:5932: checking for pthread_create in -lpthread" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { return v; } 
     int main() { 
         pthread_t t;
         if (!pthread_create(&t, 0, &foo, 0)) {
             pthread_join(t, 0);
         }
@@ -5758,17 +5945,17 @@ echo "
     rm -f dummy.c dummy${ac_exeext} ;
     if test "$_res" = "0"; then
         echo "$ac_t""yes" 1>&6
         _HAVE_PTHREADS=1 _PTHREAD_LDFLAGS="-lpthread"
     else
         echo "$ac_t""no" 1>&6
         
 echo $ac_n "checking for pthread_create in -lc_r""... $ac_c" 1>&6
-echo "configure:5767: checking for pthread_create in -lc_r" >&5
+echo "configure:5954: checking for pthread_create in -lc_r" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { return v; } 
     int main() { 
         pthread_t t;
         if (!pthread_create(&t, 0, &foo, 0)) {
             pthread_join(t, 0);
         }
@@ -5780,17 +5967,17 @@ echo "
     rm -f dummy.c dummy${ac_exeext} ;
     if test "$_res" = "0"; then
         echo "$ac_t""yes" 1>&6
         _HAVE_PTHREADS=1 _PTHREAD_LDFLAGS="-lc_r"
     else
         echo "$ac_t""no" 1>&6
         
 echo $ac_n "checking for pthread_create in -lc""... $ac_c" 1>&6
-echo "configure:5789: checking for pthread_create in -lc" >&5
+echo "configure:5976: checking for pthread_create in -lc" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { return v; } 
     int main() { 
         pthread_t t;
         if (!pthread_create(&t, 0, &foo, 0)) {
             pthread_join(t, 0);
         }
@@ -5898,17 +6085,17 @@ if test "${enable_ipv6+set}" = set; then
       fi
 fi
 
 
 if test -n "$USE_PTHREADS"; then
       rm -f conftest*
    ac_cv_have_dash_pthread=no
    echo $ac_n "checking whether ${CC-cc} accepts -pthread""... $ac_c" 1>&6
-echo "configure:5907: checking whether ${CC-cc} accepts -pthread" >&5
+echo "configure:6094: checking whether ${CC-cc} accepts -pthread" >&5
    echo 'int main() { return 0; }' | cat > conftest.c
    ${CC-cc} -pthread -o conftest conftest.c > conftest.out 2>&1
    if test $? -eq 0; then
 	if test -z "`egrep -i '(unrecognize|unknown)' conftest.out | grep pthread`" && test -z "`egrep -i '(error|incorrect)' conftest.out`" ; then
 	    ac_cv_have_dash_pthread=yes
 		case "$target_os" in
 	    freebsd*)
 # Freebsd doesn't use -pthread for compiles, it uses them for linking
@@ -5921,17 +6108,17 @@ echo "configure:5907: checking whether $
 	fi
     fi
     rm -f conftest*
     echo "$ac_t""$ac_cv_have_dash_pthread" 1>&6
 
 			    ac_cv_have_dash_pthreads=no
     if test "$ac_cv_have_dash_pthread" = "no"; then
 	    echo $ac_n "checking whether ${CC-cc} accepts -pthreads""... $ac_c" 1>&6
-echo "configure:5930: checking whether ${CC-cc} accepts -pthreads" >&5
+echo "configure:6117: checking whether ${CC-cc} accepts -pthreads" >&5
     	echo 'int main() { return 0; }' | cat > conftest.c
 	    ${CC-cc} -pthreads -o conftest conftest.c > conftest.out 2>&1
     	if test $? -eq 0; then
 	    	if test -z "`egrep -i '(unrecognize|unknown)' conftest.out | grep pthreads`" && test -z "`egrep -i '(error|incorrect)' conftest.out`" ; then
 			    ac_cv_have_dash_pthreads=yes
 			    CFLAGS="$CFLAGS -pthreads"
 			    CXXFLAGS="$CXXFLAGS -pthreads"
 		    fi

--- a/nsprpub/configure.in
+++ b/nsprpub/configure.in
@@ -73,17 +73,16 @@ NSINSTALL='$(MOD_DEPTH)/config/$(OBJDIR_
 NOSUCHFILE=/no-such-file
 LIBNSPR='-L$(dist_libdir) -lnspr$(MOD_MAJOR_VERSION)'
 LIBPLC='-L$(dist_libdir) -lplc$(MOD_MAJOR_VERSION)'
 CYGWIN_WRAPPER=
 MACOS_SDK_DIR=
 NEXT_ROOT=
 MT=
 MOZ_OS2_HIGH_MEMORY=1
-MOZ_THUMB2=
 PROFILE_GEN_CFLAGS=
 PROFILE_GEN_LDFLAGS=
 PROFILE_USE_CFLAGS=
 PROFILE_USE_LDFLAGS=
 
 dnl Link in libraries necessary to resolve all symbols for shared libs
 RESOLVE_LINK_SYMBOLS=
 
@@ -922,49 +921,177 @@ AC_ARG_ENABLE(os2-high-mem,
     [  --disable-os2-high-mem  Disable high-memory support on OS/2],
     [ if test "$enableval" = "no"; then
         MOZ_OS2_HIGH_MEMORY=
       else
         MOZ_OS2_HIGH_MEMORY=1
       fi ])
 
 dnl ========================================================
-dnl = Enable building the Thumb2 instruction set
+dnl = ARM toolchain tweaks
 dnl ========================================================
-AC_ARG_ENABLE(thumb2,
- [  --enable-thumb2              Enable Thumb-2 instruction set],
- [ if test "$enableval" = "yes"; then
-     MOZ_THUMB2=1,
-   fi ])
+
+dnl Defaults
+case "${target}" in
+arm-android-eabi)
+    MOZ_THUMB=yes
+    MOZ_ARCH=armv7-a
+    MOZ_FPU=vfp
+    MOZ_FLOAT_ABI=softfp
+    ;;
+arm*-*)
+    if test -n "$MOZ_PLATFORM_MAEMO"; then
+        MOZ_THUMB=no
+        MOZ_ARCH=armv7-a
+        MOZ_FLOAT_ABI=softfp
+    fi
+    if test "$MOZ_PLATFORM_MAEMO" = 6; then
+        MOZ_THUMB=yes
+    fi
+    ;;
+esac
+
+dnl Kept for compatibility with some buildbot mozconfig
+AC_ARG_ENABLE(thumb2, [], MOZ_THUMB=$enableval)
+
+AC_ARG_WITH(thumb,
+[  --with-thumb[[=yes|no|toolchain-default]]]
+[                          Use Thumb instruction set (-mthumb)],
+    if test -z "$GNU_CC"; then
+        AC_MSG_ERROR([--with-thumb is not supported on non-GNU toolchain-defaults])
+    fi
+    MOZ_THUMB=$withval)
+
+AC_ARG_WITH(thumb-interwork,
+[  --with-thumb-interwork[[=yes|no|toolchain-default]]
+                           Use Thumb/ARM instuctions interwork (-mthumb-interwork)],
+    if test -z "$GNU_CC"; then
+        AC_MSG_ERROR([--with-thumb-interwork is not supported on non-GNU toolchain-defaults])
+    fi
+    MOZ_THUMB_INTERWORK=$withval)
+
+AC_ARG_WITH(arch,
+[  --with-arch=[[type|toolchain-default]]
+                           Use specific CPU features (-march=type)],
+    if test -z "$GNU_CC"; then
+        AC_MSG_ERROR([--with-arch is not supported on non-GNU toolchain-defaults])
+    fi
+    MOZ_ARCH=$withval)
+
+AC_ARG_WITH(fpu,
+[  --with-fpu=[[type|toolchain-default]]
+                           Use specific FPU type (-mfpu=type)],
+    if test -z "$GNU_CC"; then
+        AC_MSG_ERROR([--with-fpu is not supported on non-GNU toolchain-defaults])
+    fi
+    MOZ_FPU=$withval)
+
+AC_ARG_WITH(float-abi,
+[  --with-float-abi=[[type|toolchain-default]]
+                           Use specific arm float ABI (-mfloat-abi=type)],
+    if test -z "$GNU_CC"; then
+        AC_MSG_ERROR([--with-float-abi is not supported on non-GNU toolchain-defaults])
+    fi
+    MOZ_FLOAT_ABI=$withval)
+
+AC_ARG_WITH(soft-float,
+[  --with-soft-float[[=yes|no|toolchain-default]]
+                           Use soft float library (-msoft-float)],
+    if test -z "$GNU_CC"; then
+        AC_MSG_ERROR([--with-soft-float is not supported on non-GNU toolchain-defaults])
+    fi
+    MOZ_SOFT_FLOAT=$withval)
 
-if test -n "$MOZ_THUMB2"; then
-  case "$target_cpu" in
-    arm*)
-      if test "$GNU_CC"; then
-        CFLAGS="$CFLAGS -march=armv7-a -mthumb"
-        CXXFLAGS="$CXXFLAGS -march=armv7-a -mthumb"
-        ASFLAGS="$ASFLAGS -march=armv7-a -mthumb"
-      else
-        AC_MSG_ERROR([--enable-thumb2 is not supported for non-GNU toolchains])
-      fi
+case "$MOZ_ARCH" in
+toolchain-default|"")
+    arch_flag=""
+    ;;
+*)
+    arch_flag="-march=$MOZ_ARCH"
+    ;;
+esac
+
+case "$MOZ_THUMB" in
+yes)
+    MOZ_THUMB2=1
+    thumb_flag="-mthumb"
+    ;;
+no)
+    MOZ_THUMB2=
+    thumb_flag="-marm"
+    ;;
+*)
+    _SAVE_CFLAGS="$CFLAGS"
+    CFLAGS="$arch_flag"
+    AC_TRY_COMPILE([],[return sizeof(__thumb2__);],
+        MOZ_THUMB2=1,
+        MOZ_THUMB2=)
+    CFLAGS="$_SAVE_CFLAGS"
+    thumb_flag=""
+    ;;
+esac
+
+case "$MOZ_THUMB_INTERWORK" in
+yes)
+    thumb_interwork_flag="-mthumb-interwork"
+    ;;
+no)
+    thumb_interwork_flag="-mno-thumb-interwork"
+    ;;
+*) # toolchain-default
+    thumb_interwork_flag=""
     ;;
-    *)
-      AC_MSG_ERROR([--enable-thumb2 is not supported for non-ARM CPU architectures])
+esac
+
+case "$MOZ_FPU" in
+toolchain-default|"")
+    fpu_flag=""
+    ;;
+*)
+    fpu_flag="-mfpu=$MOZ_FPU"
+    ;;
+esac
+
+case "$MOZ_FLOAT_ABI" in
+toolchain-default|"")
+    float_abi_flag=""
+    ;;
+*)
+    float_abi_flag="-mfloat-abi=$MOZ_FLOAT_ABI"
+    ;;
+esac
+
+case "$MOZ_SOFT_FLOAT" in
+yes)
+    soft_float_flag="-msoft-float"
     ;;
-  esac
-else
-  case "$target" in
-    arm-android-eabi)
-      if test "$GNU_CC"; then
-        CFLAGS="$CFLAGS -march=armv5te -mthumb-interwork"
-        CXXFLAGS="$CXXFLAGS -march=armv5te -mthumb-interwork"
-        ASFLAGS="$ASFLAGS -march=armv5te -mthumb-interwork"
-      fi
-      ;;
-  esac
+no)
+    soft_float_flag="-mno-soft-float"
+    ;;
+*) # toolchain-default
+    soft_float_flag=""
+    ;;
+esac
+
+dnl Use echo to avoid accumulating space characters
+all_flags=`echo $arch_flag $thumb_flag $thumb_interwork_flag $fpu_flag $float_abi_flag $soft_float_flag`
+if test -n "$all_flags"; then
+    _SAVE_CFLAGS="$CFLAGS"
+    CFLAGS="$all_flags"
+    AC_MSG_CHECKING(whether the chosen combination of compiler flags ($all_flags) works)
+    AC_TRY_COMPILE([],[return 0;],
+        AC_MSG_RESULT([yes]),
+        AC_MSG_ERROR([no]))
+
+    CFLAGS="$_SAVE_CFLAGS $all_flags"
+    CXXFLAGS="$CXXFLAGS $all_flags"
+    ASFLAGS="$ASFLAGS $all_flags"
+    if test -n "$thumb_flag"; then
+        LDFLAGS="$LDFLAGS $thumb_flag"
+    fi
 fi
 
 dnl ========================================================
 dnl Override of system specific host options
 dnl ========================================================
 case "$host" in
 *-mingw*)
     NSINSTALL=nsinstall

--- a/nsprpub/pr/src/misc/prsystem.c
+++ b/nsprpub/pr/src/misc/prsystem.c
@@ -277,17 +277,18 @@ PR_IMPLEMENT(PRInt32) PR_GetNumberOfProc
 PR_IMPLEMENT(PRUint64) PR_GetPhysicalMemorySize(void)
 {
     PRUint64 bytes = 0;
 
 #if defined(LINUX) || defined(SOLARIS)
 
     long pageSize = sysconf(_SC_PAGESIZE);
     long pageCount = sysconf(_SC_PHYS_PAGES);
-    bytes = (PRUint64) pageSize * pageCount;
+    if (pageSize >= 0 && pageCount >= 0)
+        bytes = (PRUint64) pageSize * pageCount;
 
 #elif defined(NETBSD) || defined(OPENBSD)
 
     int mib[2];
     int rc;
     uint64_t memSize;
     size_t len = sizeof(memSize);