From 2a335ae7487cfb54f518a116fc92ac55f58eee6a Mon Sep 17 00:00:00 2001
From: Bill Hoffman <bill.hoffman@kitware.com>
Date: Thu, 20 Apr 2006 21:54:35 -0400
Subject: [PATCH] ENH: ignore all files that we do not know about just like in
 ide generators

---
 Source/cmMakefileTargetGenerator.cxx | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/Source/cmMakefileTargetGenerator.cxx b/Source/cmMakefileTargetGenerator.cxx
index f114b73f9b..a73213a9dc 100644
--- a/Source/cmMakefileTargetGenerator.cxx
+++ b/Source/cmMakefileTargetGenerator.cxx
@@ -245,9 +245,7 @@ void cmMakefileTargetGenerator::WriteObjectRuleFiles(cmSourceFile& source)
   const char* lang = this->LocalGenerator->GetSourceFileLanguage(source);
   if(!lang)
     {
-    // If language is not known, this is an error.
-    cmSystemTools::Error("Source file \"", source.GetFullPath().c_str(),
-                         "\" has unknown type.");
+    // don't know anything about this file so skip it
     return;
     }