From 3cfe7a4ca876c496f9b491e4175fd1c9be24f3d7 Mon Sep 17 00:00:00 2001
From: Stephen Kelly <steveire@gmail.com>
Date: Sun, 15 Feb 2015 16:00:54 +0100
Subject: [PATCH] cmListCommand: Implement REMOVE_ITEM in terms of
 cmRemoveMatching.

---
 Source/cmListCommand.cxx | 22 ++++++----------------
 1 file changed, 6 insertions(+), 16 deletions(-)

diff --git a/Source/cmListCommand.cxx b/Source/cmListCommand.cxx
index 592681b27..50adce6fe 100644
--- a/Source/cmListCommand.cxx
+++ b/Source/cmListCommand.cxx
@@ -355,23 +355,13 @@ bool cmListCommand
     return false;
     }
 
-  size_t cc;
-  for ( cc = 2; cc < args.size(); ++ cc )
-    {
-    size_t kk = 0;
-    while ( kk < varArgsExpanded.size() )
-      {
-      if ( varArgsExpanded[kk] == args[cc] )
-        {
-        varArgsExpanded.erase(varArgsExpanded.begin()+kk);
-        }
-      else
-        {
-        kk ++;
-        }
-      }
-    }
+  std::vector<std::string> remove(args.begin() + 2, args.end());
+  std::sort(remove.begin(), remove.end());
+  remove.erase(std::unique(remove.begin(), remove.end()), remove.end());
 
+  varArgsExpanded.erase(
+      cmRemoveMatching(varArgsExpanded, remove),
+      varArgsExpanded.end());
 
   std::string value = cmJoin(varArgsExpanded, ";");
   this->Makefile->AddDefinition(listName, value.c_str());