diff --git a/Modules/Platform/AIX-VisualAge-Fortran.cmake b/Modules/Platform/AIX-VisualAge-Fortran.cmake
new file mode 100644
index 0000000000..10c29c2f99
--- /dev/null
+++ b/Modules/Platform/AIX-VisualAge-Fortran.cmake
@@ -0,0 +1 @@
+include(Platforms/xlf)
diff --git a/Modules/Platform/Linux-VisualAge-Fortran.cmake b/Modules/Platform/Linux-VisualAge-Fortran.cmake
index 295226bbe7..e8fee372a8 100644
--- a/Modules/Platform/Linux-VisualAge-Fortran.cmake
+++ b/Modules/Platform/Linux-VisualAge-Fortran.cmake
@@ -1,2 +1,3 @@
 SET(CMAKE_SHARED_LIBRARY_C_FLAGS "")        
 SET(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")  
+include(Platforms/xlf)
diff --git a/Modules/Platform/xlf.cmake b/Modules/Platform/xlf.cmake
new file mode 100644
index 0000000000..4939e6ce2a
--- /dev/null
+++ b/Modules/Platform/xlf.cmake
@@ -0,0 +1 @@
+set(CMAKE_DEFINE_FLAG_Fortran "-WF,-D")