diff --git a/arch/arm/src/lpc31xx/lpc31_usbdev.c b/arch/arm/src/lpc31xx/lpc31_usbdev.c
index 255f28da14..386abb5b86 100644
--- a/arch/arm/src/lpc31xx/lpc31_usbdev.c
+++ b/arch/arm/src/lpc31xx/lpc31_usbdev.c
@@ -75,7 +75,7 @@
 /* Configuration ***************************************************************/
 
 #ifndef CONFIG_LPC31_USBDEV_EP0_MAXSIZE
-#  define CONFIG_LPC31_LPC31_USBDEV_EP0_MAXSIZE 64
+#  define CONFIG_LPC31_USBDEV_EP0_MAXSIZE 64
 #endif
 
 #ifndef  CONFIG_USBDEV_MAXPOWER
diff --git a/arch/z80/src/Makefile.zdsii b/arch/z80/src/Makefile.zdsii
index a3c6639f50..1615763d1a 100644
--- a/arch/z80/src/Makefile.zdsii
+++ b/arch/z80/src/Makefile.zdsii
@@ -106,7 +106,7 @@ nuttx.linkcmd: $(LINKCMDTEMPLATE)
 ifeq ($(CONFIG_WINDOWS_NATIVE),y)
 	@echo "$(TOPDIR)\nuttx"= \>>nuttx.linkcmd
 	@echo   "$(ARCHSRCDIR)\$(HEAD_OBJ)", \>>nuttx.linkcmd
-	$(Q) for %%G in ($(LINKLIBS)) do ( echo "$(TOPDIR)\lib\%%G", \>>nuttx.linkcmd )
+	$(Q) for %%G in ($(LINKLIBS)) do ( echo   "$(TOPDIR)\lib\%%G", \>>nuttx.linkcmd )
 	@echo   "$(ARCHSRCDIR)\board\libboard$(LIBEXT)", \>>nuttx.linkcmd
 ifeq ($(CONFIG_ARCH_CHIP_Z8F640X),y)
 	@echo   "$(ZDSSTDLIBDIR)\chelprevaaD$(LIBEXT)", \>>nuttx.linkcmd
@@ -130,12 +130,12 @@ ifeq ($(CONFIG_ARCH_CHIP_EZ80F91),y)
 	@echo   "$(ZDSZILOGLIBDIR)\uartf91$(LIBEXT)">>nuttx.linkcmd
 endif
 else
-	@echo "\"${shell cygpath -w "$(TOPDIR)/nuttx\"= \\" >>nuttx.linkcmd
-	@echo "  \"${shell cygpath -w "$(ARCHSRCDIR)/$(HEAD_OBJ)\", \\" >>nuttx.linkcmd
+	@echo "\"${shell cygpath -w "$(TOPDIR)/nuttx"}\"= \\" >>nuttx.linkcmd
+	@echo "  \"${shell cygpath -w "$(ARCHSRCDIR)/$(HEAD_OBJ)"}\", \\" >>nuttx.linkcmd
 	$(Q) ( for lib in $(LINKLIBS); do \
 		echo "  \"`cygpath -w "$(TOPDIR)/lib/$${lib}"`\", \\" >>nuttx.linkcmd; \
 	done ; )
-	@echo "  \"${shell cygpath -w "$(ARCHSRCDIR)/board/libboard$(LIBEXT)\", \\"  >>nuttx.linkcmd
+	@echo "  \"${shell cygpath -w "$(ARCHSRCDIR)/board/libboard$(LIBEXT)"}\", \\"  >>nuttx.linkcmd
 ifeq ($(CONFIG_ARCH_CHIP_Z8F640X),y)
 	@echo "  \"${shell cygpath -w "$(ZDSSTDLIBDIR)/chelprevaaD$(LIBEXT)"}\", \\"  >>nuttx.linkcmd
 	@echo "  \"${shell cygpath -w "$(ZDSSTDLIBDIR)/crtrevaaLDD$(LIBEXT)"}\", \\"  >>nuttx.linkcmd
diff --git a/configs/ez80f910200kitg/ostest/Make.defs b/configs/ez80f910200kitg/ostest/Make.defs
index 9f787ef1bb..607a5adb72 100644
--- a/configs/ez80f910200kitg/ostest/Make.defs
+++ b/configs/ez80f910200kitg/ostest/Make.defs
@@ -33,8 +33,8 @@
 #
 ############################################################################
 
-include ${TOPDIR}/.config
-include ${TOPDIR}/tools/Config.mk
+include $(TOPDIR)/.config
+include $(TOPDIR)/tools/Config.mk
 
 # These are the directories where the ZDS-II toolchain is installed
 
@@ -140,21 +140,11 @@ LINKCMDTEMPLATE = $(TOPDIR)$(DELIM)configs$(DELIM)ez80f910200kitg$(DELIM)ostest$
 # Tool names/pathes
 
 CROSSDEV =
+CC = ez80cc.exe
 CPP = gcc -E
-
-ifeq ($(CONFIG_WINDOWS_NATIVE),y)
-  # PATH varialble should be set
-  CC = ez80cc.exe
-  LD = ez80link.exe
-  AS = ez80asm.exe
-  AR = ez80lib.exe
-else
-  # Cygwin PATH variable is not sufficient
-  CC = "$(ZDSBINDIR)$(DELIM)ez80cc.exe"
-  LD = "$(ZDSBINDIR)$(DELIM)ez80link.exe"
-  AS = "$(ZDSBINDIR)$(DELIM)ez80asm.exe"
-  AR = "$(ZDSBINDIR)$(DELIM)ez80lib.exe"
-endif
+LD = ez80link.exe
+AS = ez80asm.exe
+AR = ez80lib.exe
 
 # File extensions
 
@@ -205,11 +195,11 @@ define PREPROCESS
 endef
 
 define COMPILE
-	$(Q) "$(CC)" $(CFLAGS)  ${shell echo $1 | sed -e "s/\//\\/g"}
+	$(Q) (wfile=`cygpath -w "$1"`; "$(CC)" $(CFLAGS) $$wfile)
 endef
 
 define ASSEMBLE
-	$(Q) "$(AS)" $(AFLAGS) ${shell echo $1 | sed -e "s/\//\\/g"}
+	$(Q) (wfile=`cygpath -w "$1"`; "$(AS)" $(AFLAGS) $$wfile)
 endef
 
 define ARCHIVE
diff --git a/configs/ez80f910200kitg/ostest/setenv.sh b/configs/ez80f910200kitg/ostest/setenv.sh
index ce3ea8b53b..42003ccb6d 100755
--- a/configs/ez80f910200kitg/ostest/setenv.sh
+++ b/configs/ez80f910200kitg/ostest/setenv.sh
@@ -54,7 +54,10 @@ fi
 TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/ZiLOG/ZDSII_eZ80Acclaim!_5.1.1\bin"
 
 #
-# Add the path to the toolchain to the PATH varialble
+# Add the path to the toolchain to the PATH varialble.  NOTE that /bin and /usr/bin
+# preceded the toolchain bin directory.  This is because the ZDSII bin directory
+# includes binaries like make.exe that will interfere with the normal build process
+# if we do not give priority to the versions at /bin and /usr/bin.
 #
-export PATH="${TOOLCHAIN_BIN}:/sbin:/usr/sbin:${PATH_ORIG}"
+export PATH="/bin:/usr/bin:${TOOLCHAIN_BIN}:/sbin:/usr/sbin:${PATH_ORIG}"
 echo "PATH : ${PATH}"
diff --git a/configs/olimex-stm32-p107/nsh/Make.defs b/configs/olimex-stm32-p107/nsh/Make.defs
index 98871a47de..93677479f4 100644
--- a/configs/olimex-stm32-p107/nsh/Make.defs
+++ b/configs/olimex-stm32-p107/nsh/Make.defs
@@ -37,6 +37,12 @@ include ${TOPDIR}/.config
 include ${TOPDIR}/tools/Config.mk
 include ${TOPDIR}/arch/arm/src/armv7-m/Toolchain.defs
 
+ifeq ($(CONFIG_STM32_DFU),y)
+  LDSCRIPT = ld.script.dfu
+else
+  LDSCRIPT = ld.script
+endif
+
 ifeq ($(WINTOOL),y)
   # Windows-native toolchains
   DIRLINK = $(TOPDIR)/tools/winlink.sh
diff --git a/configs/olimex-stm32-p107/ostest/Make.defs b/configs/olimex-stm32-p107/ostest/Make.defs
index 75f0ed8817..7a27f7755f 100644
--- a/configs/olimex-stm32-p107/ostest/Make.defs
+++ b/configs/olimex-stm32-p107/ostest/Make.defs
@@ -37,6 +37,12 @@ include ${TOPDIR}/.config
 include ${TOPDIR}/tools/Config.mk
 include ${TOPDIR}/arch/arm/src/armv7-m/Toolchain.defs
 
+ifeq ($(CONFIG_STM32_DFU),y)
+  LDSCRIPT = ld.script.dfu
+else
+  LDSCRIPT = ld.script
+endif
+
 ifeq ($(WINTOOL),y)
   # Windows-native toolchains
   DIRLINK = $(TOPDIR)/tools/winlink.sh