diff --git a/nuttx/ChangeLog b/nuttx/ChangeLog
index bb433d6cda..7b3fd318b2 100644
--- a/nuttx/ChangeLog
+++ b/nuttx/ChangeLog
@@ -3160,3 +3160,7 @@
 	  by POSIX.
 	* include/sys/types.h:  Define NULL to be (0) if __cplusplus is defined.
 	  (contributed by Mike Smith)
+	* include/ctype.h: Remove a stray semi-colon in a definitions (Thanks
+	  Mike Smith).
+	* configs/.../Make.defs.  Fix C++ include path set-up in Make.defs file
+	  for all 8-bit AVR platforms (Thanks Richard Cochran).
diff --git a/nuttx/configs/amber/hello/Make.defs b/nuttx/configs/amber/hello/Make.defs
index 9d677837ce..af09d9c51d 100644
--- a/nuttx/configs/amber/hello/Make.defs
+++ b/nuttx/configs/amber/hello/Make.defs
@@ -1,8 +1,8 @@
 ############################################################################
 # configs/amber/hello/Make.defs
 #
-#   Copyright (C) 2011 Gregory Nutt. All rights reserved.
-#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
@@ -68,7 +68,7 @@ ifeq ($(WINTOOL),y)
   DIRUNLINK = $(TOPDIR)/tools/unlink.sh
   MKDEP = $(TOPDIR)/tools/mknulldeps.sh
   ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}"
-  ARCHXXINCLUDES = $(ARCHINCLUDES) -w $(TOPDIR)/include/cxx}"
+  ARCHXXINCLUDES = $(ARCHINCLUDES) "${shell cygpath -w $(TOPDIR)/include/cxx}"
   ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/hello/ld.script}"
 else
   # Linux/Cygwin-native toolchain 
diff --git a/nuttx/configs/micropendous3/hello/Make.defs b/nuttx/configs/micropendous3/hello/Make.defs
index 6a31ee1834..2a3cc78667 100644
--- a/nuttx/configs/micropendous3/hello/Make.defs
+++ b/nuttx/configs/micropendous3/hello/Make.defs
@@ -1,8 +1,8 @@
 ############################################################################
 # configs/micropendous3/hello/Make.defs
 #
-#   Copyright (C) 2011 Gregory Nutt. All rights reserved.
-#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
@@ -68,7 +68,7 @@ ifeq ($(WINTOOL),y)
   DIRUNLINK = $(TOPDIR)/tools/unlink.sh
   MKDEP = $(TOPDIR)/tools/mknulldeps.sh
   ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}"
-  ARCHXXINCLUDES = $(ARCHINCLUDES) -w $(TOPDIR)/include/cxx}"
+  ARCHXXINCLUDES = $(ARCHINCLUDES) "${shell cygpath -w $(TOPDIR)/include/cxx}"
   ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/hello/ld.script}"
 else
   # Linux/Cygwin-native toolchain 
diff --git a/nuttx/configs/micropendous3/hello/defconfig b/nuttx/configs/micropendous3/hello/defconfig
index 846a5d0104..46d70f510e 100644
--- a/nuttx/configs/micropendous3/hello/defconfig
+++ b/nuttx/configs/micropendous3/hello/defconfig
@@ -2,7 +2,7 @@
 # configs/micropendous3/hello/defconfig
 #
 #   Copyright (C) 2011 Gregory Nutt. All rights reserved.
-#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#   Author: Gregory Nutt <gnutt@nuttx.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
diff --git a/nuttx/configs/teensy/hello/Make.defs b/nuttx/configs/teensy/hello/Make.defs
index f10525efa9..70027f7378 100644
--- a/nuttx/configs/teensy/hello/Make.defs
+++ b/nuttx/configs/teensy/hello/Make.defs
@@ -1,8 +1,8 @@
 ############################################################################
 # configs/teensy/hello/Make.defs
 #
-#   Copyright (C) 2011 Gregory Nutt. All rights reserved.
-#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
@@ -68,7 +68,7 @@ ifeq ($(WINTOOL),y)
   DIRUNLINK = $(TOPDIR)/tools/unlink.sh
   MKDEP = $(TOPDIR)/tools/mknulldeps.sh
   ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}"
-  ARCHXXINCLUDES = $(ARCHINCLUDES) -w $(TOPDIR)/include/cxx}"
+  ARCHXXINCLUDES = $(ARCHINCLUDES) "${shell cygpath -w $(TOPDIR)/include/cxx}"
   ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/hello/ld.script}"
 else
   # Linux/Cygwin-native toolchain 
diff --git a/nuttx/configs/teensy/nsh/Make.defs b/nuttx/configs/teensy/nsh/Make.defs
index cab0de17da..eb166cb7e0 100755
--- a/nuttx/configs/teensy/nsh/Make.defs
+++ b/nuttx/configs/teensy/nsh/Make.defs
@@ -1,8 +1,8 @@
 ############################################################################
 # configs/teensy/nsh/Make.defs
 #
-#   Copyright (C) 2011 Gregory Nutt. All rights reserved.
-#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
@@ -68,7 +68,7 @@ ifeq ($(WINTOOL),y)
   DIRUNLINK = $(TOPDIR)/tools/unlink.sh
   MKDEP = $(TOPDIR)/tools/mknulldeps.sh
   ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}"
-  ARCHXXINCLUDES = $(ARCHINCLUDES) -w $(TOPDIR)/include/cxx}"
+  ARCHXXINCLUDES = $(ARCHINCLUDES) "${shell cygpath -w $(TOPDIR)/include/cxx}"
   ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/nsh/ld.script}"
 else
   # Linux/Cygwin-native toolchain 
diff --git a/nuttx/configs/teensy/nsh/defconfig b/nuttx/configs/teensy/nsh/defconfig
index 345af35049..49ca067286 100755
--- a/nuttx/configs/teensy/nsh/defconfig
+++ b/nuttx/configs/teensy/nsh/defconfig
@@ -2,7 +2,7 @@
 # configs/teensy/nsh/defconfig
 #
 #   Copyright (C) 2011 Gregory Nutt. All rights reserved.
-#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#   Author: Gregory Nutt <gnutt@nuttx.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
diff --git a/nuttx/configs/teensy/usbstorage/Make.defs b/nuttx/configs/teensy/usbstorage/Make.defs
index 15e102c011..e73f0c1c5b 100755
--- a/nuttx/configs/teensy/usbstorage/Make.defs
+++ b/nuttx/configs/teensy/usbstorage/Make.defs
@@ -1,8 +1,8 @@
 ############################################################################
 # configs/teensy/usbstorage/Make.defs
 #
-#   Copyright (C) 2011 Gregory Nutt. All rights reserved.
-#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
@@ -68,7 +68,7 @@ ifeq ($(WINTOOL),y)
   DIRUNLINK = $(TOPDIR)/tools/unlink.sh
   MKDEP = $(TOPDIR)/tools/mknulldeps.sh
   ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}"
-  ARCHXXINCLUDES = $(ARCHINCLUDES) -w $(TOPDIR)/include/cxx}"
+  ARCHXXINCLUDES = $(ARCHINCLUDES) "${shell cygpath -w $(TOPDIR)/include/cxx}"
   ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/usbstorage/ld.script}"
 else
   # Linux/Cygwin-native toolchain 
diff --git a/nuttx/include/ctype.h b/nuttx/include/ctype.h
index 6959a44b18..22b325eefd 100644
--- a/nuttx/include/ctype.h
+++ b/nuttx/include/ctype.h
@@ -72,7 +72,7 @@
  *
  ****************************************************************************/
 
-#define isascii(c)   ((c) >= 0 && (c) <= 0x7f);
+#define isascii(c)   ((c) >= 0 && (c) <= 0x7f)
 
 /****************************************************************************
  * Name: isprint