diff --git a/scripts/cmake/vcpkg_common_definitions.cmake b/scripts/cmake/vcpkg_common_definitions.cmake
index 8dc05de3cc1..f9221f946d0 100644
--- a/scripts/cmake/vcpkg_common_definitions.cmake
+++ b/scripts/cmake/vcpkg_common_definitions.cmake
@@ -1,3 +1,4 @@
+#Helper variable to identify the Target system. VCPKG_TARGET_IS_<targetname>
 if (NOT VCPKG_CMAKE_SYSTEM_NAME OR VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore")
     set(VCPKG_TARGET_IS_WINDOWS 1)
     if(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore")
@@ -12,3 +13,12 @@ elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "Android")
 elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
     set(VCPKG_TARGET_IS_FREEBSD 1)
 endif()
+
+#Helper variable to identify the host path seperator. 
+if(WIN32)
+    set(VCPKG_HOST_PATH_SEPARATOR ";")
+    set(VCPKG_HOST_PATH_SEPARATOR_ESCAPED "\\;") #sometimes needed to differentiate between the cmake list separator
+elseif(UNIX)
+    set(VCPKG_HOST_PATH_SEPARATOR ":")
+    set(VCPKG_HOST_PATH_SEPARATOR_ESCAPED ":")
+endif()
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