From 267e02097e90d05a16ffd1aa53fb7910b79aa0ec Mon Sep 17 00:00:00 2001
From: Stephen Kelly <steveire@gmail.com>
Date: Sun, 9 Oct 2016 10:47:44 +0200
Subject: cmMakefile: Remove pointless condition

This method is never called with an empty string.
---
 Source/cmMakefile.cxx | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index df993ce..a9ef9cd 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -3970,10 +3970,8 @@ cmPolicies::PolicyStatus cmMakefile::GetPolicyStatus(
 bool cmMakefile::PolicyOptionalWarningEnabled(std::string const& var)
 {
   // Check for an explicit CMAKE_POLICY_WARNING_CMP<NNNN> setting.
-  if (!var.empty()) {
-    if (const char* val = this->GetDefinition(var)) {
-      return cmSystemTools::IsOn(val);
-    }
+  if (const char* val = this->GetDefinition(var)) {
+    return cmSystemTools::IsOn(val);
   }
   // Enable optional policy warnings with --debug-output, --trace,
   // or --trace-expand.
-- 
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