From 90bc1da434594ee0acdccd99bd99d38c762bfe22 Mon Sep 17 00:00:00 2001
From: Dirk Ziegelmeier <dirk@ziegelmeier.net>
Date: Mon, 14 Mar 2016 12:13:24 +0100
Subject: [PATCH] LwipMibCompiler: Don't generate empty root nodes

---
 src/apps/snmp/LwipMibCompiler/LwipMibCompiler/Program.cs | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/apps/snmp/LwipMibCompiler/LwipMibCompiler/Program.cs b/src/apps/snmp/LwipMibCompiler/LwipMibCompiler/Program.cs
index 8ba0173e..a00d74b1 100644
--- a/src/apps/snmp/LwipMibCompiler/LwipMibCompiler/Program.cs
+++ b/src/apps/snmp/LwipMibCompiler/LwipMibCompiler/Program.cs
@@ -126,9 +126,12 @@ namespace LwipMibCompiler
 				// let the tree transform itself depending on node structure
 				snmpMib.Analyze();
 
-				// generate code from LWIP object tree
-				Console.WriteLine(" Generating code " + snmpMib.Name);
-				snmpMib.Generate(generatedFile, generatedHeaderFile);
+				if (snmpMib.ChildNodes.Count != 0)
+				{
+					// generate code from LWIP object tree
+					Console.WriteLine(" Generating code " + snmpMib.Name);
+					snmpMib.Generate(generatedFile, generatedHeaderFile);
+				}
 			}
 
 			string preservedCode = MibCFile.GetPreservedCode(destFile);