From fd22157e554a3f71eceec83dde1070ce76071e0d Mon Sep 17 00:00:00 2001
From: Bill Hoffman <bill.hoffman@kitware.com>
Date: Tue, 30 Apr 2002 12:58:57 -0400
Subject: ENH: improve speed of GetSource function

---
 Source/cmMakefile.cxx | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index db4a7e5..610c294 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -1310,11 +1310,19 @@ cmData* cmMakefile::LookupData(const char* name) const
 
 cmSourceFile* cmMakefile::GetSource(const char* sourceName)
 {
+  std::string s = sourceName;
+  std::string ext;
+  std::string::size_type pos = s.rfind('.');
+  if(pos != std::string::npos)
+    {
+    ext = s.substr(pos+1, s.size() - pos-1);
+    s = s.substr(0, pos);
+    }
   for(std::vector<cmSourceFile*>::iterator i = m_SourceFiles.begin();
       i != m_SourceFiles.end(); ++i)
     {
-    if((*i)->GetSourceName() == sourceName 
-       || (*i)->GetSourceName()+"."+(*i)->GetSourceExtension() == sourceName)
+    if((*i)->GetSourceName() == s 
+       && (ext.size() == 0 || (ext == (*i)->GetSourceExtension())))
       {
       return *i;
       }
-- 
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