From 60200ca5088058c70282500994727f2017276df8 Mon Sep 17 00:00:00 2001
From: Stephen Kelly <steveire@gmail.com>
Date: Sat, 25 Apr 2015 16:33:26 +0200
Subject: cmDefinitions: Add an Erase method.

---
 Source/cmDefinitions.cxx | 5 +++++
 Source/cmDefinitions.h   | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/Source/cmDefinitions.cxx b/Source/cmDefinitions.cxx
index abb46b3..58500c9 100644
--- a/Source/cmDefinitions.cxx
+++ b/Source/cmDefinitions.cxx
@@ -61,6 +61,11 @@ void cmDefinitions::Set(const std::string& key, const char* value)
     }
 }
 
+void cmDefinitions::Erase(const std::string& key)
+{
+  this->Map.erase(key);
+}
+
 //----------------------------------------------------------------------------
 std::set<std::string> cmDefinitions::LocalKeys() const
 {
diff --git a/Source/cmDefinitions.h b/Source/cmDefinitions.h
index 83cd0d9..13f885d 100644
--- a/Source/cmDefinitions.h
+++ b/Source/cmDefinitions.h
@@ -40,6 +40,8 @@ public:
   /** Set (or unset if null) a value associated with a key.  */
   void Set(const std::string& key, const char* value);
 
+  void Erase(const std::string& key);
+
   /** Get the set of all local keys.  */
   std::set<std::string> LocalKeys() const;
 
-- 
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