Index: llvm/trunk/cmake/modules/AddLLVM.cmake
===================================================================
--- llvm/trunk/cmake/modules/AddLLVM.cmake
+++ llvm/trunk/cmake/modules/AddLLVM.cmake
@@ -263,14 +263,14 @@
 #
 function(add_windows_version_resource_file OUT_VAR)
   set(sources ${ARGN})
-  if (MSVC)
+  if (MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
     set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc)
     if(EXISTS ${resource_file})
       set(sources ${sources} ${resource_file})
       source_group("Resource Files" ${resource_file})
       set(windows_resource_file ${resource_file} PARENT_SCOPE)
     endif()
-  endif(MSVC)
+  endif(MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
 
   set(${OUT_VAR} ${sources} PARENT_SCOPE)
 endfunction(add_windows_version_resource_file)