1 files changed, 8 insertions, 0 deletions
diff --git a/Source/cmIfCommand.cxx b/Source/cmIfCommand.cxx
index 903746a..e25502e 100644
--- a/Source/cmIfCommand.cxx
+++ b/Source/cmIfCommand.cxx
@@ -110,6 +110,14 @@ bool cmIfCommand::InitialPass(std::vector<std::string> const& args)
       }
     }
 
+  if (args.size() == 2 && (args[0] == "COMMAND"))
+    {
+    if(!m_Makefile->CommandExists(args[1].c_str()))
+      {
+      f = new cmIfFunctionBlocker();
+      }
+    }
+
   if (args.size() == 3 && (args[1] == "AND"))
     {
     def = m_Makefile->GetDefinition(args[0].c_str());