1 files changed, 7 insertions, 3 deletions
diff --git a/Source/cmcmd.cxx b/Source/cmcmd.cxx
index 930ced9..24e3dc8 100644
--- a/Source/cmcmd.cxx
+++ b/Source/cmcmd.cxx
@@ -44,6 +44,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
+#include <utility>
 
 class cmConnection;
 
@@ -270,9 +271,12 @@ static int HandleCppLint(const std::string& runCmd,
               << "\n";
     return 1;
   }
-  std::cerr << "Warning: cpplint diagnostics:\n";
-  // Output the output from cpplint to stderr
-  std::cerr << stdOut;
+  if (!stdOut.empty()) {
+    std::cerr << "Warning: cpplint diagnostics:\n";
+    // Output the output from cpplint to stderr
+    std::cerr << stdOut;
+  }
+
   // always return 0 so the build can continue as cpplint returns non-zero
   // for any warning
   return 0;