diff --git a/Source/cmBuildNameCommand.cxx b/Source/cmBuildNameCommand.cxx
index a650fad2e..06b6658ad 100644
--- a/Source/cmBuildNameCommand.cxx
+++ b/Source/cmBuildNameCommand.cxx
@@ -50,8 +50,7 @@ bool cmBuildNameCommand::InitialPass(std::vector<std::string> const& args)
   if(m_Makefile->GetDefinition("UNIX"))
     {
     buildname = "";
-    cmSystemTools::RunCommand("uname -a",
-                              buildname);
+    cmSystemTools::RunSingleCommand("uname -a", &buildname);
     if(buildname.length())
       {
       std::string RegExp = "([^ ]*) [^ ]* ([^ ]*) ";
diff --git a/Source/cmTryRunCommand.cxx b/Source/cmTryRunCommand.cxx
index d1dd9fc0c..f8c039e13 100644
--- a/Source/cmTryRunCommand.cxx
+++ b/Source/cmTryRunCommand.cxx
@@ -99,7 +99,9 @@ bool cmTryRunCommand::InitialPass(std::vector<std::string> const& argv)
         {
         finalCommand += runArgs;
         }
-      cmSystemTools::RunCommand(finalCommand.c_str(), output, retVal, 0, false);
+      int timeout = 0;
+      cmSystemTools::RunSingleCommand(finalCommand.c_str(), &output, &retVal, 
+        0, false, timeout);
       // set the run var
       char retChar[1000];
       sprintf(retChar,"%i",retVal);