From ca2fdeb640e88f11c3e36a8bf52b77e7081238c0 Mon Sep 17 00:00:00 2001
From: Ken Martin <ken.martin@kitware.com>
Date: Thu, 27 Jun 2002 21:17:25 -0400
Subject: performance inprovements

---
 Source/cmMakefile.cxx | 14 +++++++++++---
 Source/cmSourceFile.h |  1 +
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index 8506de9..4841584 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -1209,6 +1209,12 @@ cmMakefile::FindSourceGroup(const char* source,
 bool cmMakefile::IsFunctionBlocked(const char *name,
                                    std::vector<std::string> const&args)
 {
+  // if there are no blockers get out of here
+  if (m_FunctionBlockers.begin() == m_FunctionBlockers.end())
+    {
+    return false;
+    }
+
   // loop over all function blockers to see if any block this command
   std::set<cmFunctionBlocker *>::const_iterator pos;
   std::vector<std::string> expandedArguments = args;
@@ -1334,10 +1340,12 @@ cmSourceFile* cmMakefile::GetSource(const char* sourceName) const
   for(std::vector<cmSourceFile*>::const_iterator i = m_SourceFiles.begin();
       i != m_SourceFiles.end(); ++i)
     {
-    if((*i)->GetSourceName() == s 
-       && (ext.size() == 0 || (ext == (*i)->GetSourceExtension())))
+    if ((*i)->GetSourceNameReference() == s)
       {
-      return *i;
+      if ((ext.size() == 0 || (ext == (*i)->GetSourceExtension())))
+        {
+        return *i;
+        }
       }
     }
   return 0;
diff --git a/Source/cmSourceFile.h b/Source/cmSourceFile.h
index 0f975c0..3e41eaa 100644
--- a/Source/cmSourceFile.h
+++ b/Source/cmSourceFile.h
@@ -92,6 +92,7 @@ public:
    * (In most cases this is the name of the class.)
    */
   std::string GetSourceName() const {return m_SourceName;}
+  const std::string &GetSourceNameReference() const {return m_SourceName;}
   void SetSourceName(const char *name) {m_SourceName = name;}
 
   /**
-- 
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