From 4ce05b6e07370ad07fe90139e7729f3004d7587a Mon Sep 17 00:00:00 2001
From: Alexander Neundorf <neundorf@kde.org>
Date: Mon, 12 May 2008 18:33:08 -0400
Subject: [PATCH] BUG: make ENABLE_LANGUAGE(ASM-ATT OPTIONAL) work again: if it
 didn't work but was optional, don't delete the cache

Alex
---
 Source/cmGlobalUnixMakefileGenerator3.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/cmGlobalUnixMakefileGenerator3.cxx b/Source/cmGlobalUnixMakefileGenerator3.cxx
index e2512c980..43d97b3f6 100644
--- a/Source/cmGlobalUnixMakefileGenerator3.cxx
+++ b/Source/cmGlobalUnixMakefileGenerator3.cxx
@@ -90,7 +90,7 @@ void cmGlobalUnixMakefileGenerator3
     const char* cname = this->GetCMakeInstance()->
       GetCacheManager()->GetCacheValue(langComp.c_str());
     std::string changeVars;
-    if(cname && (path != cname))
+    if(cname && (path != cname) && (optional==false))
       {
       const char* cvars = 
         this->GetCMakeInstance()->GetProperty(