diff --git a/Source/cmLocalVisualStudio6Generator.cxx b/Source/cmLocalVisualStudio6Generator.cxx
index 3168f8189..4d56017ad 100644
--- a/Source/cmLocalVisualStudio6Generator.cxx
+++ b/Source/cmLocalVisualStudio6Generator.cxx
@@ -1005,6 +1005,12 @@ void cmLocalVisualStudio6Generator::WriteDSPHeader(std::ostream& fout, const cha
       flags = " ";
       flags = m_Makefile->GetDefinition("CMAKE_C_FLAGS");
       }
+    // if unicode is not found, then add -D_MBCS
+    if(flags.find("D_UNICODE") == flags.npos)
+      {
+      flags += " /D \"_MBCS\"";
+      }
+    
     // The template files have CXX FLAGS in them, that need to be replaced.
     // There are not separate CXX and C template files, so we use the same
     // variable names.   The previous code sets up flags* variables to contain
diff --git a/Templates/DLLHeader.dsptemplate b/Templates/DLLHeader.dsptemplate
index 0a05711ca..2e4a13d5e 100644
--- a/Templates/DLLHeader.dsptemplate
+++ b/Templates/DLLHeader.dsptemplate
@@ -57,8 +57,8 @@ RSC=rc.exe
 # PROP Intermediate_Dir "Release"
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "OUTPUT_LIBNAME_EXPORTS" /FD /c
-# ADD CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL"  /FD /c
+# ADD BASE CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_USRDLL" /D "OUTPUT_LIBNAME_EXPORTS" /FD /c
+# ADD CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_USRDLL"  /FD /c
 # ADD CPP BUILD_INCLUDES EXTRA_DEFINES /D "OUTPUT_LIBNAME_EXPORTS"
 # ADD CPP CMAKE_CXX_FLAGS
 # ADD CPP CMAKE_CXX_FLAGS_RELEASE
@@ -89,7 +89,7 @@ CMAKE_CUSTOM_RULE_CODE
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 # ADD BASE CPP /nologo /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "OUTPUT_LIBNAME_EXPORTS" /FD /c
-# ADD CPP /nologo /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL"  /FD /c
+# ADD CPP /nologo /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_USRDLL"  /FD /c
 # ADD CPP BUILD_INCLUDES EXTRA_DEFINES /D "OUTPUT_LIBNAME_EXPORTS"
 # ADD CPP CMAKE_CXX_FLAGS
 # ADD CPP CMAKE_CXX_FLAGS_DEBUG
@@ -120,9 +120,9 @@ CMAKE_CUSTOM_RULE_CODE
 # PROP Intermediate_Dir "MinSizeRel"
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /FD /c
+# ADD BASE CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_USRDLL" /FD /c
 # SUBTRACT BASE CPP /YX
-# ADD CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL"  /FD /c
+# ADD CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_USRDLL"  /FD /c
 # ADD CPP BUILD_INCLUDES EXTRA_DEFINES /D "OUTPUT_LIBNAME_EXPORTS"
 # ADD CPP CMAKE_CXX_FLAGS
 # ADD CPP CMAKE_CXX_FLAGS_MINSIZEREL
@@ -152,8 +152,8 @@ CMAKE_CUSTOM_RULE_CODE
 # PROP Intermediate_Dir "RelWithDebInfo"
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "OUTPUT_LIBNAME_EXPORTS" /FD /c
-# ADD CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL"  /FD /c
+# ADD BASE CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_USRDLL" /D "OUTPUT_LIBNAME_EXPORTS" /FD /c
+# ADD CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_USRDLL"  /FD /c
 # ADD CPP BUILD_INCLUDES EXTRA_DEFINES /D "OUTPUT_LIBNAME_EXPORTS"
 # ADD CPP CMAKE_CXX_FLAGS
 # ADD CPP CMAKE_CXX_FLAGS_RELWITHDEBINFO
diff --git a/Templates/EXEHeader.dsptemplate b/Templates/EXEHeader.dsptemplate
index a279d3290..190b85478 100644
--- a/Templates/EXEHeader.dsptemplate
+++ b/Templates/EXEHeader.dsptemplate
@@ -56,8 +56,8 @@ RSC=rc.exe
 # PROP Output_Dir "EXECUTABLE_OUTPUT_PATHRelease"
 # PROP Intermediate_Dir "Release"
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo  /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS"  /FD /c
-# ADD CPP /nologo  /D "WIN32"  /D "NDEBUG" /D "_CONSOLE" /D "_MBCS"  /FD /c
+# ADD BASE CPP /nologo  /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /FD /c
+# ADD CPP /nologo  /D "WIN32"  /D "NDEBUG" /D "_CONSOLE" /FD /c
 # ADD CPP BUILD_INCLUDES EXTRA_DEFINES /D "OUTPUT_LIBNAME_EXPORTS"
 # ADD CPP CMAKE_CXX_FLAGS
 # ADD CPP CMAKE_CXX_FLAGS_RELEASE
@@ -86,8 +86,8 @@ CMAKE_CUSTOM_RULE_CODE
 # PROP Output_Dir "EXECUTABLE_OUTPUT_PATHDebug"
 # PROP Intermediate_Dir "Debug"
 # PROP Target_Dir ""
-# ADD BASE CPP   /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS"  /FD /GZ /c
-# ADD CPP /nologo  /D "WIN32"  /D "_DEBUG" /D "_CONSOLE" /D "_MBCS"  /FD /GZ /c
+# ADD BASE CPP   /D "WIN32" /D "_DEBUG" /D "_CONSOLE"  /FD /GZ /c
+# ADD CPP /nologo  /D "WIN32"  /D "_DEBUG" /D "_CONSOLE" /FD /GZ /c
 # ADD CPP BUILD_INCLUDES EXTRA_DEFINES /D "OUTPUT_LIBNAME_EXPORTS"
 # ADD CPP CMAKE_CXX_FLAGS
 # ADD CPP CMAKE_CXX_FLAGS_DEBUG
@@ -117,8 +117,8 @@ CMAKE_CUSTOM_RULE_CODE
 # PROP Output_Dir "EXECUTABLE_OUTPUT_PATHMinSizeRel"
 # PROP Intermediate_Dir "MinSizeRel"
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo  /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS"  /FD /c
-# ADD CPP /nologo  /D "WIN32" BUILD_INCLUDES EXTRA_DEFINES /D "NDEBUG" /D "_CONSOLE" /D "_MBCS"  /FD /c
+# ADD BASE CPP /nologo  /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /FD /c
+# ADD CPP /nologo  /D "WIN32" BUILD_INCLUDES EXTRA_DEFINES /D "NDEBUG" /D "_CONSOLE"  /FD /c
 # ADD CPP BUILD_INCLUDES EXTRA_DEFINES /D "OUTPUT_LIBNAME_EXPORTS"
 # ADD CPP CMAKE_CXX_FLAGS
 # ADD CPP CMAKE_CXX_FLAGS_MINSIZEREL
@@ -147,8 +147,8 @@ CMAKE_CUSTOM_RULE_CODE
 # PROP Output_Dir "EXECUTABLE_OUTPUT_PATHRelWithDebInfo"
 # PROP Intermediate_Dir "RelWithDebInfo"
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo  /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS"  /FD /c
-# ADD CPP /nologo  /D "WIN32"  /D "NDEBUG" /D "_CONSOLE" /D "_MBCS"  /FD /c
+# ADD BASE CPP /nologo  /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /FD /c
+# ADD CPP /nologo  /D "WIN32"  /D "NDEBUG" /D "_CONSOLE" /FD /c
 # ADD CPP BUILD_INCLUDES EXTRA_DEFINES /D "OUTPUT_LIBNAME_EXPORTS"
 # ADD CPP CMAKE_CXX_FLAGS
 # ADD CPP CMAKE_CXX_FLAGS_RELWITHDEBINFO
diff --git a/Templates/EXEWinHeader.dsptemplate b/Templates/EXEWinHeader.dsptemplate
index 6acebc531..b74a94075 100644
--- a/Templates/EXEWinHeader.dsptemplate
+++ b/Templates/EXEWinHeader.dsptemplate
@@ -56,8 +56,8 @@ RSC=rc.exe
 # PROP Output_Dir "EXECUTABLE_OUTPUT_PATHRelease"
 # PROP Intermediate_Dir "Release"
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS"  /FD /c
-# ADD CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS"  /FD /c
+# ADD BASE CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /FD /c
+# ADD CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /FD /c
 # ADD CPP BUILD_INCLUDES EXTRA_DEFINES /D "OUTPUT_LIBNAME_EXPORTS"
 # ADD CPP CMAKE_CXX_FLAGS
 # ADD CPP CMAKE_CXX_FLAGS_RELEASE
@@ -88,8 +88,8 @@ CMAKE_CUSTOM_RULE_CODE
 # PROP Output_Dir "EXECUTABLE_OUTPUT_PATHDebug"
 # PROP Intermediate_Dir "Debug"
 # PROP Target_Dir ""
-# ADD BASE CPP  /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS"  /FD /c
-# ADD CPP /nologo  /D "WIN32"  /D "_DEBUG" /D "_WINDOWS" /D "_MBCS"  /FD /GZ /c
+# ADD BASE CPP  /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /FD /c
+# ADD CPP /nologo  /D "WIN32"  /D "_DEBUG" /D "_WINDOWS" /FD /GZ /c
 # ADD CPP BUILD_INCLUDES EXTRA_DEFINES /D "OUTPUT_LIBNAME_EXPORTS"
 # ADD CPP CMAKE_CXX_FLAGS
 # ADD CPP CMAKE_CXX_FLAGS_DEBUG
@@ -120,8 +120,8 @@ CMAKE_CUSTOM_RULE_CODE
 # PROP Output_Dir "EXECUTABLE_OUTPUT_PATHMinSizeRel"
 # PROP Intermediate_Dir "MinSizeRel"
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS"  /FD /c
-# ADD CPP /nologo  /D "WIN32"  /D "NDEBUG" /D "_WINDOWS" /D "_MBCS"  /FD /c
+# ADD BASE CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /FD /c
+# ADD CPP /nologo  /D "WIN32"  /D "NDEBUG" /D "_WINDOWS" /FD /c
 # ADD CPP BUILD_INCLUDES EXTRA_DEFINES /D "OUTPUT_LIBNAME_EXPORTS"
 # ADD CPP CMAKE_CXX_FLAGS
 # ADD CPP CMAKE_CXX_FLAGS_MINSIZEREL
@@ -150,8 +150,8 @@ CMAKE_CUSTOM_RULE_CODE
 # PROP Output_Dir "EXECUTABLE_OUTPUT_PATHRelWithDebInfo"
 # PROP Intermediate_Dir "RelWithDebInfo"
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS"  /FD /c
-# ADD CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS"  /FD /c
+# ADD BASE CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /FD /c
+# ADD CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /FD /c
 # ADD CPP BUILD_INCLUDES EXTRA_DEFINES /D "OUTPUT_LIBNAME_EXPORTS"
 # ADD CPP CMAKE_CXX_FLAGS
 # ADD CPP CMAKE_CXX_FLAGS_RELWITHDEBINFO
diff --git a/Templates/staticLibHeader.dsptemplate b/Templates/staticLibHeader.dsptemplate
index 2eb8ea029..3aef2c30a 100644
--- a/Templates/staticLibHeader.dsptemplate
+++ b/Templates/staticLibHeader.dsptemplate
@@ -53,8 +53,8 @@ RSC=rc.exe
 # PROP Output_Dir "LIBRARY_OUTPUT_PATHRelease"
 # PROP Intermediate_Dir "Release"
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /D "WIN32" /D "NDEBUG" /D "_MBCS" /D "_LIB"  /FD /c
-# ADD CPP /nologo /D "NDEBUG" /D "WIN32" /D "_MBCS" /D "_LIB"  /FD /c
+# ADD BASE CPP /nologo /D "WIN32" /D "NDEBUG" /D "_LIB"  /FD /c
+# ADD CPP /nologo /D "NDEBUG" /D "WIN32" /D "_LIB"  /FD /c
 # ADD CPP BUILD_INCLUDES EXTRA_DEFINES /D "OUTPUT_LIBNAME_EXPORTS"
 # ADD CPP CMAKE_CXX_FLAGS
 # ADD CPP CMAKE_CXX_FLAGS_RELEASE
@@ -81,8 +81,8 @@ CMAKE_CUSTOM_RULE_CODE
 # PROP Output_Dir "LIBRARY_OUTPUT_PATHDebug"
 # PROP Intermediate_Dir "Debug"
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB"  /FD /c
-# ADD CPP /nologo /D "_DEBUG" /D "WIN32" /D "_MBCS" /D "_LIB"  /FD /GZ /c
+# ADD BASE CPP /nologo /D "WIN32" /D "_DEBUG" /D "_LIB"  /FD /c
+# ADD CPP /nologo /D "_DEBUG" /D "WIN32" /D "_LIB"  /FD /GZ /c
 # ADD CPP BUILD_INCLUDES EXTRA_DEFINES /D "OUTPUT_LIBNAME_EXPORTS"
 # ADD CPP CMAKE_CXX_FLAGS
 # ADD CPP CMAKE_CXX_FLAGS_DEBUG
@@ -109,8 +109,8 @@ CMAKE_CUSTOM_RULE_CODE
 # PROP Intermediate_Dir "MinSizeRel"
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "_ATL_DLL" /FD /c
-# ADD CPP /nologo /D "NDEBUG" /D "_MBCS" /D "_ATL_DLL"  /D "WIN32" /D "_WINDOWS" /D "_USRDLL" /FD /c
+# ADD BASE CPP /nologo /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_USRDLL" /D "_ATL_DLL" /FD /c
+# ADD CPP /nologo /D "NDEBUG" /D "_ATL_DLL"  /D "WIN32" /D "_WINDOWS" /D "_USRDLL" /FD /c
 # ADD CPP BUILD_INCLUDES EXTRA_DEFINES /D "OUTPUT_LIBNAME_EXPORTS"
 # ADD CPP CMAKE_CXX_FLAGS
 # ADD CPP CMAKE_CXX_FLAGS_MINSIZEREL
@@ -137,8 +137,8 @@ CMAKE_CUSTOM_RULE_CODE
 # PROP Output_Dir "LIBRARY_OUTPUT_PATHRelWithDebInfo"
 # PROP Intermediate_Dir "RelWithDebInfo"
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /D "WIN32" /D "NDEBUG" /D "_MBCS" /D "_LIB"  /FD /c
-# ADD CPP /nologo /D "NDEBUG" /D "WIN32" /D "_MBCS" /D "_LIB"  /FD /c
+# ADD BASE CPP /nologo /D "WIN32" /D "NDEBUG" /D "_LIB"  /FD /c
+# ADD CPP /nologo /D "NDEBUG" /D "WIN32" /D "_LIB"  /FD /c
 # ADD CPP BUILD_INCLUDES EXTRA_DEFINES /D "OUTPUT_LIBNAME_EXPORTS"
 # ADD CPP CMAKE_CXX_FLAGS
 # ADD CPP CMAKE_CXX_FLAGS_RELWITHDEBINFO