diff --git a/Makefile b/Makefile
index dd5cb2c77..2797bcccc 100644
--- a/Makefile
+++ b/Makefile
@@ -101,11 +101,11 @@ SUBDIRS += $(EXTERNAL_DIR)
 
 # Library path
 
-LIBPATH ?= $(TOPDIR)/libs
+LIBPATH ?= $(TOPDIR)$(DELIM)libs
 
 # The install path
 
-INSTALL_DIR = $(APPDIR)/bin
+BIN_DIR = $(APPDIR)$(DELIM)bin
 
 # The final build target
 
@@ -118,7 +118,7 @@ all: $(BIN)
 
 define SDIR_template
 $(1)_$(2):
-	$(Q) $(MAKE) -C $(1) $(2) TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" INSTALL_DIR="$(INSTALL_DIR)"
+	$(Q) $(MAKE) -C $(1) $(2) TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" BIN_DIR="$(BIN_DIR)"
 endef
 
 $(foreach SDIR, $(INSTALLED_APPS), $(eval $(call SDIR_template,$(SDIR),all)))
@@ -132,15 +132,15 @@ $(BIN): $(foreach SDIR, $(INSTALLED_APPS), $(SDIR)_all)
 
 .install: $(foreach SDIR, $(INSTALLED_APPS), $(SDIR)_install)
 
-$(INSTALL_DIR):
-	mkdir -p $(INSTALL_DIR)
+$(BIN_DIR):
+	mkdir -p $(BIN_DIR)
 
-install: $(INSTALL_DIR) .install
+install: $(BIN_DIR) .install
 
 .import: $(BIN) install
 
 import:
-	$(Q) $(MAKE) .import TOPDIR="$(APPDIR)/import"
+	$(Q) $(MAKE) .import TOPDIR="$(APPDIR)$(DELIM)import"
 
 context: $(foreach SDIR, $(INSTALLED_APPS), $(SDIR)_context)
 
@@ -171,6 +171,6 @@ else
 	)
 endif
 	$(call DELFILE, .depend)
-	$(call DELDIR, $(INSTALL_DIR))
+	$(call DELDIR, $(BIN_DIR))
 
 
diff --git a/examples/hello/Makefile b/examples/hello/Makefile
index 2cacfb139..61eba2808 100644
--- a/examples/hello/Makefile
+++ b/examples/hello/Makefile
@@ -39,36 +39,45 @@ include $(APPDIR)/Make.defs
 
 # Hello, World! built-in application info
 
-APPNAME		= hello
-PRIORITY	= SCHED_PRIORITY_DEFAULT
-STACKSIZE	= 2048
+APPNAME = hello
+PRIORITY = SCHED_PRIORITY_DEFAULT
+STACKSIZE = 2048
 
 # Hello, World! Example
 
-ASRCS		=
-CSRCS		= hello_main.c
+ASRCS =
+CSRCS = hello_main.c
 
-AOBJS		= $(ASRCS:.S=$(OBJEXT))
-COBJS		= $(CSRCS:.c=$(OBJEXT))
+AOBJS = $(ASRCS:.S=$(OBJEXT))
+COBJS = $(CSRCS:.c=$(OBJEXT))
 
-SRCS		= $(ASRCS) $(CSRCS)
-OBJS		= $(AOBJS) $(COBJS)
+SRCS = $(ASRCS) $(CSRCS)
+OBJS = $(AOBJS) $(COBJS)
 
 ifeq ($(CONFIG_WINDOWS_NATIVE),y)
-  BIN		= ..\..\libapps$(LIBEXT)
+  BIN = ..\..\libapps$(LIBEXT)
 else
 ifeq ($(WINTOOL),y)
-  BIN		= ..\\..\\libapps$(LIBEXT)
+  BIN = ..\\..\\libapps$(LIBEXT)
 else
-  BIN		= ../../libapps$(LIBEXT)
+  BIN = ../../libapps$(LIBEXT)
 endif
 endif
 
-ROOTDEPPATH	= --dep-path .
+ifeq ($(WINTOOL),y)
+  INSTALL_DIR = "${shell cygpath -w $(BIN_DIR)}"
+else
+  INSTALL_DIR = $(BIN_DIR)
+endif
+
+CONFIG_EXAMPLES_HELLO_PROGNAME ?= hello$(EXEEXT)
+PROGNAME = $(CONFIG_EXAMPLES_HELLO_PROGNAME)
+
+ROOTDEPPATH = --dep-path .
 
 # Common build
 
-VPATH		=
+VPATH =
 
 all: .built
 .PHONY: clean depend distclean
@@ -84,11 +93,11 @@ $(COBJS): %$(OBJEXT): %.c
 	@touch .built
 
 ifeq ($(CONFIG_BUILD_KERNEL),y)
-$(INSTALL_DIR)/$(PROGNAME): $(OBJS)
-	@echo "LD: $<"
-	$(Q) $(LD) $(LDELFFLAGS) $(LDLIBPATH) -o $@ $(ARCHCRT0OBJ) $^ $(LDLIBS)
+$(BIN_DIR)$(DELIM)$(PROGNAME): $(OBJS)
+	@echo "LD: $(PROGNAME)"
+	$(Q) $(LD) $(LDELFFLAGS) $(LDLIBPATH) -o $(INSTALL_DIR)$(DELIM)$(PROGNAME) $(ARCHCRT0OBJ) $(LDLIBS)
 
-install: $(INSTALL_DIR)/$(PROGNAME)
+install: $(BIN_DIR)/$(PROGNAME)
 
 else
 install:
diff --git a/examples/nsh/Makefile b/examples/nsh/Makefile
index 40b8c8561..843a15be7 100644
--- a/examples/nsh/Makefile
+++ b/examples/nsh/Makefile
@@ -58,6 +58,12 @@ else
 endif
 endif
 
+ifeq ($(WINTOOL),y)
+  INSTALL_DIR = "${shell cygpath -w $(BIN_DIR)}"
+else
+  INSTALL_DIR = $(BIN_DIR)
+endif
+
 CONFIG_EXAMPLES_NSH_PROGNAME ?= nsh$(EXEEXT)
 PROGNAME = $(CONFIG_EXAMPLES_NSH_PROGNAME)
 
@@ -81,11 +87,11 @@ $(COBJS): %$(OBJEXT): %.c
 	@touch .built
 
 ifeq ($(CONFIG_BUILD_KERNEL),y)
-$(INSTALL_DIR)/$(PROGNAME): $(OBJS)
-	@echo "LD: $<"
-	$(Q) $(LD) $(LDELFFLAGS) $(LDLIBPATH) -o $@ $(ARCHCRT0OBJ) $^ $(LDLIBS)
+$(BIN_DIR)$(DELIM)$(PROGNAME): $(OBJS)
+	@echo "LD: $(PROGNAME)"
+	$(Q) $(LD) $(LDELFFLAGS) $(LDLIBPATH) -o $(INSTALL_DIR)$(DELIM)$(PROGNAME) $(ARCHCRT0OBJ) $(LDLIBS)
 
-install: $(INSTALL_DIR)/$(PROGNAME)
+install: $(BIN_DIR)/$(PROGNAME)
 
 else
 install:
diff --git a/import/Make.defs b/import/Make.defs
index 3506d6ea6..6817e63dd 100644
--- a/import/Make.defs
+++ b/import/Make.defs
@@ -33,8 +33,8 @@
 #
 ############################################################################
 
-include ${TOPDIR}/.config
-include ${TOPDIR}/build/Make.defs
+include $(TOPDIR)/.config
+include $(TOPDIR)/build/Make.defs
 
 # Control build verbosity
 #
@@ -183,10 +183,10 @@ AFLAGS = $(CFLAGS) -D__ASSEMBLY__
 
 ifeq ($(WINTOOL),y)
   # Windows-native toolchains
-  LDLIBPATH = -L "${shell cygpath -w ${APPDIR}}" -L "${shell cygpath -w $(TOPDIR)$(DELIM)libs}"
+  LDLIBPATH = -L "${shell cygpath -w $(APPDIR)}" -L "${shell cygpath -w $(TOPDIR)$(DELIM)libs}"
 else
   # Linux/Cygwin-native toolchain
-  LDLIBPATH = -L ${APPDIR} -L $(TOPDIR)$(DELIM)libs
+  LDLIBPATH = -L $(APPDIR) -L $(TOPDIR)$(DELIM)libs
 endif
 
 LDLIBS = -lnuttx