3 files changed, 22 insertions, 7 deletions
diff --git a/nuttx/configs/stm32f4discovery/README.txt b/nuttx/configs/stm32f4discovery/README.txt
index eb43cad27..d824668ce 100644
--- a/nuttx/configs/stm32f4discovery/README.txt
+++ b/nuttx/configs/stm32f4discovery/README.txt
@@ -1084,8 +1084,10 @@ Where <subdir> is one of the following:
        b. Execute 'make menuconfig' in nuttx/ in order to start the
           reconfiguration process.
 
-    2. Default toolchain:
+    2. Default platform/toolchain:
 
+       CONFIG_HOST_WINDOWS=y         : Windows
+       CONFIG_WINDOWS_CYGWIN=y       : Cygwin environment on Windows
        CONFIG_STM32_CODESOURCERYW=y  : CodeSourcery under Windows
 
     3. By default, this project assumes that you are *NOT* using the DFU
@@ -1460,6 +1462,10 @@ Where <subdir> is one of the following:
       standard issue, CMD shell:  ConEmu which can be downloaded from:
       http://code.google.com/p/conemu-maximus5/
 
+       CONFIG_HOST_WINDOWS=y         : Windows
+       CONFIG_WINDOWS_NATIVE=y       : Native Windows environment
+       CONFIG_STM32_CODESOURCERYW=y  : CodeSourcery under Windows
+
       Build Tools.  The build still relies on some Unix-like commands.  I use
       the GNUWin32 tools that can be downloaded from http://gnuwin32.sourceforge.net/.
       The MSYS tools are probably also a option but are likely lower performance
diff --git a/nuttx/configs/stm32f4discovery/ostest/Make.defs b/nuttx/configs/stm32f4discovery/ostest/Make.defs
index 614e0c456..3106143d6 100644
--- a/nuttx/configs/stm32f4discovery/ostest/Make.defs
+++ b/nuttx/configs/stm32f4discovery/ostest/Make.defs
@@ -105,16 +105,12 @@ LDSCRIPT = ld.script
 
 ifeq ($(WINTOOL),y)
   # Windows-native toolchains
-  DIRLINK = $(TOPDIR)/tools/winlink.sh
-  DIRUNLINK = $(TOPDIR)/tools/unlink.sh
-  MKDEP = $(TOPDIR)/tools/mknulldeps.sh
   ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}"
   ARCHXXINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" -isystem "${shell cygpath -w $(TOPDIR)/include/cxx}"
   ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/$(LDSCRIPT)}"
   MAXOPTIMIZATION = -O2
 else
-  # Linux/Cygwin-native toolchain 
-  MKDEP = $(TOPDIR)/tools/mkdeps.sh
+  # Linux/Cygwin-native toolchain
   ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
   ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
   ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/$(LDSCRIPT)
@@ -178,3 +174,13 @@ else
   HOSTEXEEXT =
 endif
 
+ifeq ($(WINTOOL),y)
+  # Windows-native host tools
+  DIRLINK = $(TOPDIR)/tools/winlink.sh
+  DIRUNLINK = $(TOPDIR)/tools/unlink.sh
+  MKDEP = $(TOPDIR)/tools/mknulldeps.sh
+else
+  # Linux/Cygwin-native host tools 
+  MKDEP = $(TOPDIR)/tools/mkdeps$(HOSTEXEEXT)
+endif
+
diff --git a/nuttx/configs/stm32f4discovery/winbuild/Make.defs b/nuttx/configs/stm32f4discovery/winbuild/Make.defs
index bb78f35aa..75051da51 100644
--- a/nuttx/configs/stm32f4discovery/winbuild/Make.defs
+++ b/nuttx/configs/stm32f4discovery/winbuild/Make.defs
@@ -81,7 +81,6 @@ LDSCRIPT = ld.script
 
 # Windows-native toolchains
 
-MKDEP = $(TOPDIR)/tools/mkdeps.bat
 ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
 ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
 ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/$(LDSCRIPT)
@@ -137,3 +136,7 @@ HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -g -pipe
 HOSTLDFLAGS =
 HOSTEXEEXT = .exe
 
+# Windows-native host tools
+
+MKDEP = $(TOPDIR)/tools/mkdeps.exe
+