diff --git a/configure/os/CONFIG.windows-x64-debug.Common b/configure/os/CONFIG.windows-x64-debug.Common
new file mode 100644
index 000000000..e030eb265
--- /dev/null
+++ b/configure/os/CONFIG.windows-x64-debug.Common
@@ -0,0 +1,12 @@
+# CONFIG.windows-x64-debug.Common
+#
+# $Revision-Id$
+# This file is maintained by the build community.
+#
+# Definitions for windows-x64 debug with debug compiler flags
+# Sites may override these definitions in CONFIG_SITE.windows-x64-debug.Common
+#-------------------------------------------------------
+
+#Include definitions common to windows-x64 hosts
+include $(CONFIG)/os/CONFIG.windows-x64.Common
+
diff --git a/configure/os/CONFIG.windows-x64-debug.windows-x64-debug b/configure/os/CONFIG.windows-x64-debug.windows-x64-debug
new file mode 100644
index 000000000..d15b9a3aa
--- /dev/null
+++ b/configure/os/CONFIG.windows-x64-debug.windows-x64-debug
@@ -0,0 +1,12 @@
+# CONFIG.windows-x64-debug.windows-x64-debug
+#
+# $Revision-Id$
+# This file is maintained by the build community.
+#
+# Definitions for windows-x64 debug compiler host - windows-x64 debug compiler target builds
+# Sites may override these definitions in CONFIG_SITE.windows-x64-debug.windows-x64-debug
+#-------------------------------------------------------
+
+include $(CONFIG)/os/CONFIG.windows-x64.windows-x64
+
+HOST_OPT=NO