1 files changed, 4 insertions, 0 deletions
diff --git a/Source/cmNMakeMakefileGenerator.cxx b/Source/cmNMakeMakefileGenerator.cxx
index fca80a7..4e4b3ed 100644
--- a/Source/cmNMakeMakefileGenerator.cxx
+++ b/Source/cmNMakeMakefileGenerator.cxx
@@ -356,6 +356,10 @@ OutputBuildObjectFromSource(std::ostream& fout,
                             const char* extraCompileFlags,
                             bool shared)
 { 
+  // Header files shouldn't have build rules.
+  if(source.IsAHeaderFileOnly())
+    return;
+
   std::string comment = "Build ";
   std::string objectFile = std::string(shortName) + 
     this->GetOutputExtension(source.GetSourceExtension().c_str());