1 files changed, 18 insertions, 12 deletions
diff --git a/Source/cmAbstractFilesCommand.cxx b/Source/cmAbstractFilesCommand.cxx
index 9c43968..32a6237 100644
--- a/Source/cmAbstractFilesCommand.cxx
+++ b/Source/cmAbstractFilesCommand.cxx
@@ -24,23 +24,29 @@ bool cmAbstractFilesCommand::InitialPass(std::vector<std::string> const& args)
     this->SetError("called with incorrect number of arguments");
     return false;
     }
+  bool ret = true;
+  std::string m = "could not find source file(s):\n";
+
   cmMakefile::SourceMap &Classes = m_Makefile->GetSources();
   for(std::vector<std::string>::const_iterator j = args.begin();
       j != args.end(); ++j)
-    {   
-    for(cmMakefile::SourceMap::iterator l = Classes.begin(); 
-        l != Classes.end(); l++)
+    {  
+    cmSourceFile* sf = m_Makefile->GetSource(j->c_str());
+    if(sf)
       {
-      for(std::vector<cmSourceFile>::iterator i = l->second.begin(); 
-          i != l->second.end(); i++)
-        {
-        if(i->GetSourceName() == (*j))
-          {
-          i->SetIsAnAbstractClass(true);
-          }
-        }
+      sf->SetIsAnAbstractClass(true);
       }
+    else
+      {
+      m += *j;
+      m += "\n";
+      ret = false;
+      } 
+    }
+  if(!ret)
+    {
+    this->SetError(m.c_str());
     }
-  return true;
+  return ret;
 }