From b9dca3b000d1a66108c4650c00d6815c431a82b5 Mon Sep 17 00:00:00 2001
From: Garux <garux@mail.ru>
Date: Fri, 30 Mar 2018 00:34:50 +0300
Subject: [PATCH] * build system: prevent empty commands execution

---
 radiant/build.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/radiant/build.cpp b/radiant/build.cpp
index 75c10da8..74805a6f 100644
--- a/radiant/build.cpp
+++ b/radiant/build.cpp
@@ -494,7 +494,8 @@ void build_run( const char* name, CommandListener& listener ){
 			{
 				StringBuffer output;
 				( *j ).evaluate( output );
-				listener.execute( output.c_str() );
+				if ( !output.empty() )
+					listener.execute( output.c_str() );
 			}
 		}
 		else