diff --git a/nsprpub/TAG-INFO b/nsprpub/TAG-INFO
index 14cb336877f5..79ade8dab223 100644
--- a/nsprpub/TAG-INFO
+++ b/nsprpub/TAG-INFO
@@ -1 +1 @@
-NSPR_4_8_9_BETA1
+NSPR_4_8_9_BETA2
diff --git a/nsprpub/build/autoconf/config.sub b/nsprpub/build/autoconf/config.sub
index 724382959124..3fad4d748241 100755
--- a/nsprpub/build/autoconf/config.sub
+++ b/nsprpub/build/autoconf/config.sub
@@ -4,7 +4,7 @@
 #   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
 #   Free Software Foundation, Inc.
 
-timestamp='2009-12-04'
+timestamp='2011-01-03'
 
 # This file is (in principle) common to ALL GNU software.
 # The presence of a machine in this file suggests that SOME GNU software
@@ -1432,6 +1432,9 @@ case $os in
 	-dicos*)
 		os=-dicos
 		;;
+        -android*)
+	        os=android
+                ;;
 	-none)
 		;;
 	*)
@@ -1686,6 +1689,9 @@ case $basic_machine in
 			-vos*)
 				vendor=stratus
 				;;
+			*-android*|*-linuxandroid*)
+				vendor=linux-
+				;;
 		esac
 		basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
 		;;
diff --git a/nsprpub/build/win32/pgomerge.py b/nsprpub/build/win32/pgomerge.py
new file mode 100644
index 000000000000..383457bf2ee1
--- /dev/null
+++ b/nsprpub/build/win32/pgomerge.py
@@ -0,0 +1,40 @@
+#!/usr/bin/python
+# Usage: pgomerge.py <binary basename> <dist/bin>
+# Gathers .pgc files from dist/bin and merges them into
+# $PWD/$basename.pgd using pgomgr, then deletes them.
+# No errors if any of these files don't exist.
+
+import sys, os, os.path, subprocess
+if not sys.platform == "win32":
+    raise Exception("This script was only meant for Windows.")
+
+def MergePGOFiles(basename, pgddir, pgcdir):
+  """Merge pgc files produced from an instrumented binary
+     into the pgd file for the second pass of profile-guided optimization
+     with MSVC.  |basename| is the name of the DLL or EXE without the
+     extension.  |pgddir| is the path that contains <basename>.pgd
+     (should be the objdir it was built in).  |pgcdir| is the path
+     containing basename!N.pgc files, which is probably dist/bin.
+     Calls pgomgr to merge each pgc file into the pgd, then deletes
+     the pgc files."""
+  if not os.path.isdir(pgddir) or not os.path.isdir(pgcdir):
+    return
+  pgdfile = os.path.abspath(os.path.join(pgddir, basename + ".pgd"))
+  if not os.path.isfile(pgdfile):
+    return
+  for file in os.listdir(pgcdir):
+    if file.startswith(basename+"!") and file.endswith(".pgc"):
+      try:
+        pgcfile = os.path.normpath(os.path.join(pgcdir, file))
+        subprocess.call(['pgomgr', '-merge',
+                         pgcfile,
+                         pgdfile])
+        os.remove(pgcfile)
+      except OSError:
+        pass
+
+if __name__ == '__main__':
+  if len(sys.argv) != 3:
+      print >>sys.stderr, "Usage: pgomerge.py <binary basename> <dist/bin>"
+      sys.exit(1)
+  MergePGOFiles(sys.argv[1], os.getcwd(), sys.argv[2])
diff --git a/nsprpub/config/config.mk b/nsprpub/config/config.mk
index f47d8fee805f..cfb9f3f2552c 100644
--- a/nsprpub/config/config.mk
+++ b/nsprpub/config/config.mk
@@ -78,11 +78,13 @@ LDFLAGS		= $(OS_LDFLAGS)
 ifdef MOZ_PROFILE_GENERATE
 CFLAGS += $(PROFILE_GEN_CFLAGS)
 LDFLAGS += $(PROFILE_GEN_LDFLAGS)
+DLLFLAGS += $(PROFILE_GEN_LDFLAGS)
 endif # MOZ_PROFILE_GENERATE
 
 ifdef MOZ_PROFILE_USE
 CFLAGS += $(PROFILE_USE_CFLAGS)
 LDFLAGS += $(PROFILE_USE_LDFLAGS)
+DLLFLAGS += $(PROFILE_USE_LDFLAGS)
 endif # MOZ_PROFILE_USE
 
 define MAKE_OBJDIR
diff --git a/nsprpub/config/rules.mk b/nsprpub/config/rules.mk
index 344ad2e5ff68..a8ee19548d97 100644
--- a/nsprpub/config/rules.mk
+++ b/nsprpub/config/rules.mk
@@ -280,6 +280,13 @@ $(NFSPWD):
 $(PROGRAM): $(OBJS)
 	@$(MAKE_OBJDIR)
 ifeq ($(NS_USE_GCC)_$(OS_ARCH),_WINNT)
+ifdef MOZ_PROFILE_USE
+# In the second pass, we need to merge the pgc files into the pgd file.
+# The compiler would do this for us automatically if they were in the right
+# place, but they're in dist/bin.
+	python $(topsrcdir)/build/win32/pgomerge.py \
+		$(notdir $(PROGRAM:.exe=)) $(DIST)/bin
+endif	# MOZ_PROFILE_USE
 	$(CC) $(OBJS) -Fe$@ -link $(LDFLAGS) $(OS_LIBS) $(EXTRA_LIBS)
 ifdef MT
 	@if test -f $@.manifest; then \
@@ -287,6 +294,11 @@ ifdef MT
 		rm -f $@.manifest; \
 	fi
 endif	# MSVC with manifest tool
+ifdef MOZ_PROFILE_GENERATE
+# touch it a few seconds into the future to work around FAT's
+# 2-second granularity
+	touch -t `date +%Y%m%d%H%M.%S -d "now+5seconds"` pgo.relink
+endif	# MOZ_PROFILE_GENERATE
 else	# WINNT && !GCC
 	$(CC) -o $@ $(CFLAGS) $(OBJS) $(LDFLAGS)
 endif	# WINNT && !GCC
@@ -326,6 +338,10 @@ ifeq ($(OS_ARCH)$(OS_RELEASE), AIX4.1)
 		-bM:SRE -bnoentry $(OS_LIBS) $(EXTRA_LIBS)
 else	# AIX 4.1
 ifeq ($(NS_USE_GCC)_$(OS_ARCH),_WINNT)
+ifdef MOZ_PROFILE_USE
+	python $(topsrcdir)/build/win32/pgomerge.py \
+		$(notdir $(SHARED_LIBRARY:.$(DLL_SUFFIX)=)) $(DIST)/bin
+endif	# MOZ_PROFILE_USE
 	$(LINK_DLL) -MAP $(DLLBASE) $(DLL_LIBS) $(EXTRA_LIBS) $(OBJS) $(RES)
 ifdef MT
 	@if test -f $@.manifest; then \
@@ -333,6 +349,9 @@ ifdef MT
 		rm -f $@.manifest; \
 	fi
 endif	# MSVC with manifest tool
+ifdef MOZ_PROFILE_GENERATE
+	touch -t `date +%Y%m%d%H%M.%S -d "now+5seconds"` pgo.relink
+endif	# MOZ_PROFILE_GENERATE
 else	# WINNT && !GCC
 	$(MKSHLIB) $(OBJS) $(RES) $(LDFLAGS) $(EXTRA_LIBS)
 endif	# WINNT && !GCC
@@ -341,6 +360,24 @@ ifdef ENABLE_STRIP
 	$(STRIP) $@
 endif
 
+################################################################################
+
+ifdef MOZ_PROFILE_USE
+ifeq ($(NS_USE_GCC)_$(OS_ARCH),_WINNT)
+# When building with PGO, we have to make sure to re-link
+# in the MOZ_PROFILE_USE phase if we linked in the
+# MOZ_PROFILE_GENERATE phase. We'll touch this pgo.relink
+# file in the link rule in the GENERATE phase to indicate
+# that we need a relink.
+$(SHARED_LIBRARY): pgo.relink
+
+$(PROGRAM): pgo.relink
+
+endif	# WINNT && !GCC
+endif	# MOZ_PROFILE_USE
+
+################################################################################
+
 ifeq ($(OS_ARCH),WINNT)
 $(RES): $(RESNAME)
 	@$(MAKE_OBJDIR)
diff --git a/nsprpub/configure b/nsprpub/configure
index 7c0b6434c3d1..18c10eb2e370 100755
--- a/nsprpub/configure
+++ b/nsprpub/configure
@@ -842,7 +842,20 @@ if test "${with_android_platform+set}" = set; then
 fi
 
 
-if test "$target" = "arm-android-eabi" ; then
+case "$target" in
+arm-linux*-android*|*-linuxandroid*)
+    android_tool_prefix="arm-linux-androideabi"
+    ;;
+arm-android-eabi)
+    android_tool_prefix="arm-eabi"
+    ;;
+*)
+    android_tool_prefix="$target_os"
+    ;;
+esac
+
+case "$target" in
+*-android*|*-linuxandroid*)
     if test -z "$android_ndk" ; then
        { echo "configure: error: You must specify --with-android-ndk=/path/to/ndk when targeting Android." 1>&2; exit 1; }
     fi
@@ -855,14 +868,14 @@ if test "$target" = "arm-android-eabi" ; then
        android_platform="$android_ndk"/build/platforms/android-5/arch-arm
     fi
 
-        AS="$android_toolchain"/bin/arm-eabi-as
-    CC="$android_toolchain"/bin/arm-eabi-gcc
-    CXX="$android_toolchain"/bin/arm-eabi-g++
-    CPP="$android_toolchain"/bin/arm-eabi-cpp
-    LD="$android_toolchain"/bin/arm-eabi-ld
-    AR="$android_toolchain"/bin/arm-eabi-ar
-    RANLIB="$android_toolchain"/bin/arm-eabi-ranlib
-    STRIP="$android_toolchain"/bin/arm-eabi-strip
+        AS="$android_toolchain"/bin/"$android_tool_prefix"-as
+    CC="$android_toolchain"/bin/"$android_tool_prefix"-gcc
+    CXX="$android_toolchain"/bin/"$android_tool_prefix"-g++
+    CPP="$android_toolchain"/bin/"$android_tool_prefix"-cpp
+    LD="$android_toolchain"/bin/"$android_tool_prefix"-ld
+    AR="$android_toolchain"/bin/"$android_tool_prefix"-ar
+    RANLIB="$android_toolchain"/bin/"$android_tool_prefix"-ranlib
+    STRIP="$android_toolchain"/bin/"$android_tool_prefix"-strip
 
     CPPFLAGS="-I$android_platform/usr/include $CPPFLAGS"
     CFLAGS="-mandroid -I$android_platform/usr/include -msoft-float -fno-short-enums -fno-exceptions $CFLAGS"
@@ -888,7 +901,8 @@ if test "$target" = "arm-android-eabi" ; then
 #define ANDROID 1
 EOF
 
-fi
+    ;;
+esac
 
 dist_prefix='${MOD_DEPTH}/dist'
 dist_bindir='${dist_prefix}/bin'
@@ -1182,7 +1196,7 @@ 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:1186: checking for $ac_word" >&5
+echo "configure:1200: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_WHOAMI'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1253,13 +1267,13 @@ if test "$target" != "$host"; then
     _SAVE_LDFLAGS="$LDFLAGS"
 
     echo $ac_n "checking for $host compiler""... $ac_c" 1>&6
-echo "configure:1257: checking for $host compiler" >&5
+echo "configure:1271: 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:1263: checking for $ac_word" >&5
+echo "configure:1277: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_HOST_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1305,16 +1319,16 @@ test -n "$HOST_CC" || HOST_CC=""""
     LDFLAGS="$HOST_LDFLAGS"
 
     echo $ac_n "checking whether the $host compiler ($HOST_CC $HOST_CFLAGS $HOST_LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1309: checking whether the $host compiler ($HOST_CC $HOST_CFLAGS $HOST_LDFLAGS) works" >&5
+echo "configure:1323: checking whether the $host compiler ($HOST_CC $HOST_CFLAGS $HOST_LDFLAGS) works" >&5
     cat > conftest.$ac_ext <<EOF
-#line 1311 "configure"
+#line 1325 "configure"
 #include "confdefs.h"
 
 int main() {
 return(0);
 ; return 0; }
 EOF
-if { (eval echo configure:1318: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1332: \"$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
@@ -1343,7 +1357,7 @@ 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:1347: checking for $ac_word" >&5
+echo "configure:1361: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1377,7 +1391,7 @@ test -n "$CC" || CC="echo"
     # 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:1381: checking for $ac_word" >&5
+echo "configure:1395: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1407,7 +1421,7 @@ if test -z "$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:1411: checking for $ac_word" >&5
+echo "configure:1425: 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
@@ -1458,7 +1472,7 @@ fi
       # 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:1462: checking for $ac_word" >&5
+echo "configure:1476: 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
@@ -1490,7 +1504,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1494: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1508: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -1501,12 +1515,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1505 "configure"
+#line 1519 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:1510: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1524: \"$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
@@ -1532,12 +1546,12 @@ 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""... $ac_c" 1>&6
-echo "configure:1536: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1550: checking whether the C compiler ($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""... $ac_c" 1>&6
-echo "configure:1541: checking whether we are using GNU C" >&5
+echo "configure:1555: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1546,7 +1560,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1550: \"$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:1564: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -1565,7 +1579,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1569: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1583: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1602,7 +1616,7 @@ do
 # Extract the first word of "$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:1606: checking for $ac_word" >&5
+echo "configure:1620: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1638,7 +1652,7 @@ do
 # Extract the first word of "$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:1642: checking for $ac_word" >&5
+echo "configure:1656: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1670,7 +1684,7 @@ test -n "$CXX" || CXX="gcc"
 
 
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1674: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
+echo "configure:1688: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
 
 ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -1681,12 +1695,12 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1685 "configure"
+#line 1699 "configure"
 #include "confdefs.h"
 
 int main(){return(0);}
 EOF
-if { (eval echo configure:1690: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1704: \"$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
@@ -1712,12 +1726,12 @@ 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""... $ac_c" 1>&6
-echo "configure:1716: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1730: checking whether the C++ compiler ($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++""... $ac_c" 1>&6
-echo "configure:1721: checking whether we are using GNU C++" >&5
+echo "configure:1735: checking whether we are using GNU C++" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1726,7 +1740,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1730: \"$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:1744: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gxx=yes
 else
   ac_cv_prog_gxx=no
@@ -1745,7 +1759,7 @@ ac_test_CXXFLAGS="${CXXFLAGS+set}"
 ac_save_CXXFLAGS="$CXXFLAGS"
 CXXFLAGS=
 echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
-echo "configure:1749: checking whether ${CXX-g++} accepts -g" >&5
+echo "configure:1763: checking whether ${CXX-g++} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cxx_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1790,7 +1804,7 @@ do
 # Extract the first word of "$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:1794: checking for $ac_word" >&5
+echo "configure:1808: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1825,7 +1839,7 @@ do
 # Extract the first word of "$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:1829: checking for $ac_word" >&5
+echo "configure:1843: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1860,7 +1874,7 @@ do
 # Extract the first word of "$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:1864: checking for $ac_word" >&5
+echo "configure:1878: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1895,7 +1909,7 @@ do
 # Extract the first word of "$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:1899: checking for $ac_word" >&5
+echo "configure:1913: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1930,7 +1944,7 @@ do
 # Extract the first word of "$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:1934: checking for $ac_word" >&5
+echo "configure:1948: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1965,7 +1979,7 @@ do
 # Extract the first word of "$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:1969: checking for $ac_word" >&5
+echo "configure:1983: 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
@@ -2000,7 +2014,7 @@ 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:2004: checking for $ac_word" >&5
+echo "configure:2018: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2030,7 +2044,7 @@ if test -z "$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:2034: checking for $ac_word" >&5
+echo "configure:2048: 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
@@ -2081,7 +2095,7 @@ fi
       # 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:2085: checking for $ac_word" >&5
+echo "configure:2099: 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
@@ -2113,7 +2127,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:2117: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:2131: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -2124,12 +2138,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 2128 "configure"
+#line 2142 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:2133: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2147: \"$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
@@ -2155,12 +2169,12 @@ 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""... $ac_c" 1>&6
-echo "configure:2159: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:2173: checking whether the C compiler ($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""... $ac_c" 1>&6
-echo "configure:2164: checking whether we are using GNU C" >&5
+echo "configure:2178: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2169,7 +2183,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:2173: \"$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:2187: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -2188,7 +2202,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:2192: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:2206: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2228,7 +2242,7 @@ do
 # Extract the first word of "$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:2232: checking for $ac_word" >&5
+echo "configure:2246: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2260,7 +2274,7 @@ test -n "$CXX" || CXX="gcc"
 
 
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:2264: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
+echo "configure:2278: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
 
 ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -2271,12 +2285,12 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 2275 "configure"
+#line 2289 "configure"
 #include "confdefs.h"
 
 int main(){return(0);}
 EOF
-if { (eval echo configure:2280: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2294: \"$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
@@ -2302,12 +2316,12 @@ 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""... $ac_c" 1>&6
-echo "configure:2306: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:2320: checking whether the C++ compiler ($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++""... $ac_c" 1>&6
-echo "configure:2311: checking whether we are using GNU C++" >&5
+echo "configure:2325: checking whether we are using GNU C++" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2316,7 +2330,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:2320: \"$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:2334: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gxx=yes
 else
   ac_cv_prog_gxx=no
@@ -2335,7 +2349,7 @@ ac_test_CXXFLAGS="${CXXFLAGS+set}"
 ac_save_CXXFLAGS="$CXXFLAGS"
 CXXFLAGS=
 echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
-echo "configure:2339: checking whether ${CXX-g++} accepts -g" >&5
+echo "configure:2353: 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
@@ -2369,7 +2383,7 @@ fi
         fi
     fi
     echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:2373: checking how to run the C preprocessor" >&5
+echo "configure:2387: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -2384,13 +2398,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 2388 "configure"
+#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:2394: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2408: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2401,13 +2415,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 2405 "configure"
+#line 2419 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2411: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2425: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2418,13 +2432,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 2422 "configure"
+#line 2436 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2428: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2442: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2451,7 +2465,7 @@ echo "$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:2455: checking for $ac_word" >&5
+echo "configure:2469: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2483,7 +2497,7 @@ do
 # Extract the first word of "$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:2487: checking for $ac_word" >&5
+echo "configure:2501: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2524,7 +2538,7 @@ do
 # Extract the first word of "$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:2528: checking for $ac_word" >&5
+echo "configure:2542: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2565,7 +2579,7 @@ do
 # Extract the first word of "$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:2569: checking for $ac_word" >&5
+echo "configure:2583: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2606,7 +2620,7 @@ do
 # Extract the first word of "$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:2610: checking for $ac_word" >&5
+echo "configure:2624: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2647,7 +2661,7 @@ do
 # Extract the first word of "$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:2651: checking for $ac_word" >&5
+echo "configure:2665: 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
@@ -2715,7 +2729,7 @@ else
 fi
 
 echo $ac_n "checking for gcc -pipe support""... $ac_c" 1>&6
-echo "configure:2719: checking for gcc -pipe support" >&5
+echo "configure:2733: checking for gcc -pipe support" >&5
 if test -n "$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
@@ -2730,14 +2744,14 @@ if test -n "$GNU_CC" && test -n "$GNU_CXX" && test -n "$GNU_AS"; then
         _SAVE_CFLAGS=$CFLAGS
         CFLAGS="$CFLAGS -pipe"
         cat > conftest.$ac_ext <<EOF
-#line 2734 "configure"
+#line 2748 "configure"
 #include "confdefs.h"
  #include <stdio.h> 
 int main() {
 printf("Hello World\n");
 ; return 0; }
 EOF
-if { (eval echo configure:2741: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2755: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   _res_gcc_pipe="yes"
 else
@@ -2767,16 +2781,16 @@ _SAVE_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -fprofile-generate -fprofile-correction"
 
 echo $ac_n "checking whether C compiler supports -fprofile-generate""... $ac_c" 1>&6
-echo "configure:2771: checking whether C compiler supports -fprofile-generate" >&5
+echo "configure:2785: checking whether C compiler supports -fprofile-generate" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2773 "configure"
+#line 2787 "configure"
 #include "confdefs.h"
 
 int main() {
 return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:2780: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2794: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
    PROFILE_GEN_CFLAGS="-fprofile-generate"
                  result="yes" 
@@ -2799,7 +2813,7 @@ CFLAGS="$_SAVE_CFLAGS"
 
 if test "$GNU_CC"; then
     echo $ac_n "checking for visibility(hidden) attribute""... $ac_c" 1>&6
-echo "configure:2803: checking for visibility(hidden) attribute" >&5
+echo "configure:2817: checking for visibility(hidden) attribute" >&5
 if eval "test \"`echo '$''{'ac_cv_visibility_hidden'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2823,7 +2837,7 @@ echo "$ac_t""$ac_cv_visibility_hidden" 1>&6
 EOF
 
         echo $ac_n "checking for visibility pragma support""... $ac_c" 1>&6
-echo "configure:2827: checking for visibility pragma support" >&5
+echo "configure:2841: checking for visibility pragma support" >&5
 if eval "test \"`echo '$''{'ac_cv_visibility_pragma'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2876,7 +2890,7 @@ do
 # Extract the first word of "$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:2880: checking for $ac_word" >&5
+echo "configure:2894: 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
@@ -3162,17 +3176,17 @@ 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""... $ac_c" 1>&6
-echo "configure:3166: checking for sys/atomic_op.h" >&5
+echo "configure:3180: checking for sys/atomic_op.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3171 "configure"
+#line 3185 "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:3176: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3190: \"$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*
@@ -3301,6 +3315,45 @@ EOF
     RESOLVE_LINK_SYMBOLS=1
     ;;
         
+*-android*|*-linuxandroid*)
+    if test -z "$USE_NSPR_THREADS"; then
+        USE_PTHREADS=1
+        IMPL_STRATEGY=_PTH
+    fi
+    cat >> confdefs.h <<\EOF
+#define XP_UNIX 1
+EOF
+
+    cat >> confdefs.h <<\EOF
+#define _GNU_SOURCE 1
+EOF
+
+    cat >> confdefs.h <<\EOF
+#define HAVE_FCNTL_FILE_LOCKING 1
+EOF
+
+    cat >> confdefs.h <<\EOF
+#define LINUX 1
+EOF
+
+    CFLAGS="$CFLAGS -Wall"
+    CXXFLAGS="$CXXFLAGS -Wall"
+    MDCPUCFG_H=_linux.cfg
+    PR_MD_CSRCS=linux.c
+    MKSHLIB='$(CC) $(DSO_LDOPTS) $(WRAP_MALLOC_LIB) -o $@'
+    DSO_CFLAGS=-fPIC
+    DSO_LDOPTS='-shared -Wl,-soname -Wl,$(notdir $@)'
+    _OPTIMIZE_FLAGS=-O2
+    _DEBUG_FLAGS="-g -fno-inline"  # most people on linux use gcc/gdb, and that
+                                   # combo is not yet good at debugging inlined
+                                   # functions (even when using DWARF2 as the
+                                   # debugging format)
+    COMPILER_TAG=_glibc
+    CPU_ARCH=arm
+    CPU_ARCH_TAG=_arm
+    OS_TARGET=Android
+    ;;
+
 *-beos*)
     cat >> confdefs.h <<\EOF
 #define XP_BEOS 1
@@ -3329,7 +3382,7 @@ EOF
         _DEBUG_FLAGS='-gdwarf-2 -O0'
         MKSHLIB='$(CCC) $(DSO_LDOPTS) -o $@'
         echo $ac_n "checking for gethostbyaddr in -lbind""... $ac_c" 1>&6
-echo "configure:3333: checking for gethostbyaddr in -lbind" >&5
+echo "configure:3386: checking for gethostbyaddr in -lbind" >&5
 ac_lib_var=`echo bind'_'gethostbyaddr | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3337,7 +3390,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lbind  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3341 "configure"
+#line 3394 "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
@@ -3348,7 +3401,7 @@ int main() {
 gethostbyaddr()
 ; return 0; }
 EOF
-if { (eval echo configure:3352: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3405: \"$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
@@ -4056,45 +4109,6 @@ EOF
 	esac
     ;;
 
-arm-android-eabi)
-    if test -z "$USE_NSPR_THREADS"; then
-        USE_PTHREADS=1
-        IMPL_STRATEGY=_PTH
-    fi
-    cat >> confdefs.h <<\EOF
-#define XP_UNIX 1
-EOF
-
-    cat >> confdefs.h <<\EOF
-#define _GNU_SOURCE 1
-EOF
-
-    cat >> confdefs.h <<\EOF
-#define HAVE_FCNTL_FILE_LOCKING 1
-EOF
-
-    cat >> confdefs.h <<\EOF
-#define LINUX 1
-EOF
-
-    CFLAGS="$CFLAGS -Wall"
-    CXXFLAGS="$CXXFLAGS -Wall"
-    MDCPUCFG_H=_linux.cfg
-    PR_MD_CSRCS=linux.c
-    MKSHLIB='$(CC) $(DSO_LDOPTS) $(WRAP_MALLOC_LIB) -o $@'
-    DSO_CFLAGS=-fPIC
-    DSO_LDOPTS='-shared -Wl,-soname -Wl,$(notdir $@)'
-    _OPTIMIZE_FLAGS=-O2
-    _DEBUG_FLAGS="-g -fno-inline"  # most people on linux use gcc/gdb, and that
-                                   # combo is not yet good at debugging inlined
-                                   # functions (even when using DWARF2 as the
-                                   # debugging format)
-    COMPILER_TAG=_glibc
-    CPU_ARCH=arm
-    CPU_ARCH_TAG=_arm
-    OS_TARGET=Android
-    ;;
-
 *-linux*|*-gnu*|*-k*bsd*-gnu)
     if test -z "$USE_NSPR_THREADS"; then
         USE_PTHREADS=1
@@ -4206,8 +4220,8 @@ EOF
     RESOLVE_LINK_SYMBOLS=1
 
     if test -n "$GNU_CC"; then
-        CC="$CC -mno-cygwin"
-        CXX="$CXX -mno-cygwin"
+        CC="$CC -mwindows"
+        CXX="$CXX -mwindows"
         DLL_SUFFIX=dll
         MKSHLIB='$(CC) -shared -Wl,--export-all-symbols -Wl,--out-implib -Wl,$(IMPORT_LIBRARY) $(DLLBASE) -o $(subst $(OBJDIR)/,,$(SHARED_LIBRARY))'
         RC=$WINDRES
@@ -4739,17 +4753,17 @@ EOF
         _OPTIMIZE_FLAGS="$_OPTIMIZE_FLAGS -Olimit 4000"
         ac_safe=`echo "machine/builtins.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for machine/builtins.h""... $ac_c" 1>&6
-echo "configure:4743: checking for machine/builtins.h" >&5
+echo "configure:4757: checking for machine/builtins.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4748 "configure"
+#line 4762 "configure"
 #include "confdefs.h"
 #include <machine/builtins.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4753: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4767: \"$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*
@@ -5398,7 +5412,7 @@ case $target in
     ;;
 *)
     echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:5402: checking for dlopen in -ldl" >&5
+echo "configure:5416: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5406,7 +5420,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5410 "configure"
+#line 5424 "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
@@ -5417,7 +5431,7 @@ int main() {
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:5421: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5435: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5434,17 +5448,17 @@ if eval "test \"`echo '$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""... $ac_c" 1>&6
-echo "configure:5438: checking for dlfcn.h" >&5
+echo "configure:5452: checking for dlfcn.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5443 "configure"
+#line 5457 "configure"
 #include "confdefs.h"
 #include <dlfcn.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5448: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5462: \"$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*
@@ -5477,13 +5491,13 @@ esac
 
 if test $ac_cv_prog_gcc = yes; then
     echo $ac_n "checking whether ${CC-cc} needs -traditional""... $ac_c" 1>&6
-echo "configure:5481: checking whether ${CC-cc} needs -traditional" >&5
+echo "configure:5495: 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 5487 "configure"
+#line 5501 "configure"
 #include "confdefs.h"
 #include <sgtty.h>
 Autoconf TIOCGETP
@@ -5501,7 +5515,7 @@ rm -f conftest*
 
   if test $ac_cv_prog_gcc_traditional = no; then
     cat > conftest.$ac_ext <<EOF
-#line 5505 "configure"
+#line 5519 "configure"
 #include "confdefs.h"
 #include <termio.h>
 Autoconf TCGETA
@@ -5525,12 +5539,12 @@ fi
 for ac_func in lchown strerror
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5529: checking for $ac_func" >&5
+echo "configure:5543: 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 5534 "configure"
+#line 5548 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5553,7 +5567,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5557: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5571: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5604,7 +5618,7 @@ do
 # Extract the first word of "$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:5608: checking for $ac_word" >&5
+echo "configure:5622: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_CCACHE'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5663,7 +5677,7 @@ hpux*)
 if test -z "$GNU_CC"; then
 
     echo $ac_n "checking for +Olit support""... $ac_c" 1>&6
-echo "configure:5667: checking for +Olit support" >&5
+echo "configure:5681: checking for +Olit support" >&5
 if eval "test \"`echo '$''{'ac_cv_hpux_usable_olit_option'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5705,7 +5719,7 @@ wince*)
 *)
     
 echo $ac_n "checking for pthread_create in -lpthreads""... $ac_c" 1>&6
-echo "configure:5709: checking for pthread_create in -lpthreads" >&5
+echo "configure:5723: checking for pthread_create in -lpthreads" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { return v; } 
@@ -5727,7 +5741,7 @@ echo "
         echo "$ac_t""no" 1>&6
         
 echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
-echo "configure:5731: checking for pthread_create in -lpthread" >&5
+echo "configure:5745: checking for pthread_create in -lpthread" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { return v; } 
@@ -5749,7 +5763,7 @@ echo "
         echo "$ac_t""no" 1>&6
         
 echo $ac_n "checking for pthread_create in -lc_r""... $ac_c" 1>&6
-echo "configure:5753: checking for pthread_create in -lc_r" >&5
+echo "configure:5767: checking for pthread_create in -lc_r" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { return v; } 
@@ -5771,7 +5785,7 @@ echo "
         echo "$ac_t""no" 1>&6
         
 echo $ac_n "checking for pthread_create in -lc""... $ac_c" 1>&6
-echo "configure:5775: checking for pthread_create in -lc" >&5
+echo "configure:5789: checking for pthread_create in -lc" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { return v; } 
@@ -5889,7 +5903,7 @@ if test -n "$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:5893: checking whether ${CC-cc} accepts -pthread" >&5
+echo "configure:5907: 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
@@ -5912,7 +5926,7 @@ echo "configure:5893: checking whether ${CC-cc} accepts -pthread" >&5
 			    ac_cv_have_dash_pthreads=no
     if test "$ac_cv_have_dash_pthread" = "no"; then
 	    echo $ac_n "checking whether ${CC-cc} accepts -pthreads""... $ac_c" 1>&6
-echo "configure:5916: checking whether ${CC-cc} accepts -pthreads" >&5
+echo "configure:5930: 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 $? -eq 0; then
diff --git a/nsprpub/configure.in b/nsprpub/configure.in
index d9406aeaf397..80e6d2ea137e 100644
--- a/nsprpub/configure.in
+++ b/nsprpub/configure.in
@@ -152,7 +152,20 @@ AC_ARG_WITH(android-platform,
                            location of platform dir, default NDK/build/platforms/android-5/arch-arm],
     android_platform=$withval)
 
-if test "$target" = "arm-android-eabi" ; then
+case "$target" in
+arm-linux*-android*|*-linuxandroid*)
+    android_tool_prefix="arm-linux-androideabi"
+    ;;
+arm-android-eabi)
+    android_tool_prefix="arm-eabi"
+    ;;
+*)
+    android_tool_prefix="$target_os"
+    ;;
+esac
+
+case "$target" in
+*-android*|*-linuxandroid*)
     if test -z "$android_ndk" ; then
        AC_MSG_ERROR([You must specify --with-android-ndk=/path/to/ndk when targeting Android.])
     fi
@@ -166,14 +179,14 @@ if test "$target" = "arm-android-eabi" ; then
     fi
 
     dnl set up compilers
-    AS="$android_toolchain"/bin/arm-eabi-as
-    CC="$android_toolchain"/bin/arm-eabi-gcc
-    CXX="$android_toolchain"/bin/arm-eabi-g++
-    CPP="$android_toolchain"/bin/arm-eabi-cpp
-    LD="$android_toolchain"/bin/arm-eabi-ld
-    AR="$android_toolchain"/bin/arm-eabi-ar
-    RANLIB="$android_toolchain"/bin/arm-eabi-ranlib
-    STRIP="$android_toolchain"/bin/arm-eabi-strip
+    AS="$android_toolchain"/bin/"$android_tool_prefix"-as
+    CC="$android_toolchain"/bin/"$android_tool_prefix"-gcc
+    CXX="$android_toolchain"/bin/"$android_tool_prefix"-g++
+    CPP="$android_toolchain"/bin/"$android_tool_prefix"-cpp
+    LD="$android_toolchain"/bin/"$android_tool_prefix"-ld
+    AR="$android_toolchain"/bin/"$android_tool_prefix"-ar
+    RANLIB="$android_toolchain"/bin/"$android_tool_prefix"-ranlib
+    STRIP="$android_toolchain"/bin/"$android_tool_prefix"-strip
 
     CPPFLAGS="-I$android_platform/usr/include $CPPFLAGS"
     CFLAGS="-mandroid -I$android_platform/usr/include -msoft-float -fno-short-enums -fno-exceptions $CFLAGS"
@@ -197,7 +210,8 @@ if test "$target" = "arm-android-eabi" ; then
     WRAP_MALLOC_CFLAGS="-Wl,--wrap=dlopen -Wl,--wrap=dlclose -Wl,--wrap=dlerror -Wl,--wrap=dlsym -Wl,--wrap=dladdr"
 
     AC_DEFINE(ANDROID)
-fi
+    ;;
+esac
 
 dnl ========================================================
 dnl =
@@ -1036,6 +1050,33 @@ case "$target" in
     RESOLVE_LINK_SYMBOLS=1
     ;;
         
+*-android*|*-linuxandroid*)
+    if test -z "$USE_NSPR_THREADS"; then
+        USE_PTHREADS=1
+        IMPL_STRATEGY=_PTH
+    fi
+    AC_DEFINE(XP_UNIX)
+    AC_DEFINE(_GNU_SOURCE)
+    AC_DEFINE(HAVE_FCNTL_FILE_LOCKING)
+    AC_DEFINE(LINUX)
+    CFLAGS="$CFLAGS -Wall"
+    CXXFLAGS="$CXXFLAGS -Wall"
+    MDCPUCFG_H=_linux.cfg
+    PR_MD_CSRCS=linux.c
+    MKSHLIB='$(CC) $(DSO_LDOPTS) $(WRAP_MALLOC_LIB) -o $@'
+    DSO_CFLAGS=-fPIC
+    DSO_LDOPTS='-shared -Wl,-soname -Wl,$(notdir $@)'
+    _OPTIMIZE_FLAGS=-O2
+    _DEBUG_FLAGS="-g -fno-inline"  # most people on linux use gcc/gdb, and that
+                                   # combo is not yet good at debugging inlined
+                                   # functions (even when using DWARF2 as the
+                                   # debugging format)
+    COMPILER_TAG=_glibc
+    CPU_ARCH=arm
+    CPU_ARCH_TAG=_arm
+    OS_TARGET=Android
+    ;;
+
 *-beos*)
     AC_DEFINE(XP_BEOS)
     AC_DEFINE(BeOS)
@@ -1561,33 +1602,6 @@ tools are selected during the Xcode/Developer Tools installation.])
 	esac
     ;;
 
-arm-android-eabi)
-    if test -z "$USE_NSPR_THREADS"; then
-        USE_PTHREADS=1
-        IMPL_STRATEGY=_PTH
-    fi
-    AC_DEFINE(XP_UNIX)
-    AC_DEFINE(_GNU_SOURCE)
-    AC_DEFINE(HAVE_FCNTL_FILE_LOCKING)
-    AC_DEFINE(LINUX)
-    CFLAGS="$CFLAGS -Wall"
-    CXXFLAGS="$CXXFLAGS -Wall"
-    MDCPUCFG_H=_linux.cfg
-    PR_MD_CSRCS=linux.c
-    MKSHLIB='$(CC) $(DSO_LDOPTS) $(WRAP_MALLOC_LIB) -o $@'
-    DSO_CFLAGS=-fPIC
-    DSO_LDOPTS='-shared -Wl,-soname -Wl,$(notdir $@)'
-    _OPTIMIZE_FLAGS=-O2
-    _DEBUG_FLAGS="-g -fno-inline"  # most people on linux use gcc/gdb, and that
-                                   # combo is not yet good at debugging inlined
-                                   # functions (even when using DWARF2 as the
-                                   # debugging format)
-    COMPILER_TAG=_glibc
-    CPU_ARCH=arm
-    CPU_ARCH_TAG=_arm
-    OS_TARGET=Android
-    ;;
-
 *-linux*|*-gnu*|*-k*bsd*-gnu)
     if test -z "$USE_NSPR_THREADS"; then
         USE_PTHREADS=1
@@ -1669,8 +1683,8 @@ arm-android-eabi)
     RESOLVE_LINK_SYMBOLS=1
 
     if test -n "$GNU_CC"; then
-        CC="$CC -mno-cygwin"
-        CXX="$CXX -mno-cygwin"
+        CC="$CC -mwindows"
+        CXX="$CXX -mwindows"
         DLL_SUFFIX=dll
         MKSHLIB='$(CC) -shared -Wl,--export-all-symbols -Wl,--out-implib -Wl,$(IMPORT_LIBRARY) $(DLLBASE) -o $(subst $(OBJDIR)/,,$(SHARED_LIBRARY))'
         RC=$WINDRES
diff --git a/nsprpub/pr/src/misc/prnetdb.c b/nsprpub/pr/src/misc/prnetdb.c
index b8e32db4a0ac..2bd7f5c70b31 100644
--- a/nsprpub/pr/src/misc/prnetdb.c
+++ b/nsprpub/pr/src/misc/prnetdb.c
@@ -2078,7 +2078,7 @@ PR_IMPLEMENT(PRAddrInfo *) PR_GetAddrInfoByName(const char  *hostname,
 
         rv = GETADDRINFO(hostname, NULL, &hints, &res);
 #ifdef AI_ADDRCONFIG
-        if (rv == EAI_BADFLAGS) {
+        if (rv == EAI_BADFLAGS && (hints.ai_flags & AI_ADDRCONFIG)) {
             hints.ai_flags &= ~AI_ADDRCONFIG;
             rv = GETADDRINFO(hostname, NULL, &hints, &res);
         }