diff --git a/Source/cmGlobalXCodeGenerator.cxx b/Source/cmGlobalXCodeGenerator.cxx
index 59ca38f8b..edb8e0e24 100644
--- a/Source/cmGlobalXCodeGenerator.cxx
+++ b/Source/cmGlobalXCodeGenerator.cxx
@@ -1279,6 +1279,9 @@ void  cmGlobalXCodeGenerator
   makefileStream << "# Generated by CMake, DO NOT EDIT\n";
   makefileStream << "# Custom rules for " << target.GetName() << "\n";
 
+  // disable the implicit rules
+  makefileStream << ".SUFFIXES: " << "\n";
+
   // have all depend on all outputs
   makefileStream << "all: ";
   std::map<const cmCustomCommand*, cmStdString> tname;