From 4801eb633392eff95586709df570dabcdf0f5db1 Mon Sep 17 00:00:00 2001
From: Stephen Kelly <steveire@gmail.com>
Date: Thu, 4 Oct 2012 00:33:21 +0200
Subject: [PATCH] GenEx: It is not an error to specify an empty parameter

This is allowed by the CONFIG and STREQUAL expressions.
---
 Source/cmGeneratorExpressionParser.cxx | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/Source/cmGeneratorExpressionParser.cxx b/Source/cmGeneratorExpressionParser.cxx
index d3c4aa38b..344e9f832 100644
--- a/Source/cmGeneratorExpressionParser.cxx
+++ b/Source/cmGeneratorExpressionParser.cxx
@@ -142,10 +142,6 @@ void cmGeneratorExpressionParser::ParseGeneratorExpression(
         --this->NestingLevel;
         ++this->it;
         }
-      if (parameters.empty())
-        {
-          // ERROR
-        }
     }
 
   if (nestedLevel != this->NestingLevel)