1 files changed, 9 insertions, 11 deletions
diff --git a/Source/cmPolicies.cxx b/Source/cmPolicies.cxx
index da3edd4..e7d1b72 100644
--- a/Source/cmPolicies.cxx
+++ b/Source/cmPolicies.cxx
@@ -8,7 +8,6 @@
 #include "cmVersion.h"
 #include "cmake.h"
 
-#include "cmConfigure.h"
 #include <assert.h>
 #include <ctype.h>
 #include <sstream>
@@ -62,9 +61,9 @@ static const char* idToString(cmPolicies::PolicyID id)
     CM_FOR_EACH_POLICY_ID(POLICY_CASE)
 #undef POLICY_CASE
     case cmPolicies::CMPCOUNT:
-      return CM_NULLPTR;
+      return nullptr;
   }
-  return CM_NULLPTR;
+  return nullptr;
 }
 
 static const char* idToVersion(cmPolicies::PolicyID id)
@@ -76,9 +75,9 @@ static const char* idToVersion(cmPolicies::PolicyID id)
     CM_FOR_EACH_POLICY_ID_VERSION(POLICY_CASE)
 #undef POLICY_CASE
     case cmPolicies::CMPCOUNT:
-      return CM_NULLPTR;
+      return nullptr;
   }
-  return CM_NULLPTR;
+  return nullptr;
 }
 
 static bool isPolicyNewerThan(cmPolicies::PolicyID id, unsigned int majorV,
@@ -108,9 +107,9 @@ const char* idToShortDescription(cmPolicies::PolicyID id)
     CM_FOR_EACH_POLICY_ID_DOC(POLICY_CASE)
 #undef POLICY_CASE
     case cmPolicies::CMPCOUNT:
-      return CM_NULLPTR;
+      return nullptr;
   }
-  return CM_NULLPTR;
+  return nullptr;
 }
 
 static void DiagnoseAncientPolicies(
@@ -121,9 +120,8 @@ static void DiagnoseAncientPolicies(
   e << "The project requests behavior compatible with CMake version \""
     << majorVer << "." << minorVer << "." << patchVer
     << "\", which requires the OLD behavior for some policies:\n";
-  for (std::vector<cmPolicies::PolicyID>::const_iterator i = ancient.begin();
-       i != ancient.end(); ++i) {
-    e << "  " << idToString(*i) << ": " << idToShortDescription(*i) << "\n";
+  for (cmPolicies::PolicyID i : ancient) {
+    e << "  " << idToString(i) << ": " << idToShortDescription(i) << "\n";
   }
   e << "However, this version of CMake no longer supports the OLD "
     << "behavior for these policies.  "
@@ -142,7 +140,7 @@ static bool GetPolicyDefault(cmMakefile* mf, std::string const& policy,
     *defaultSetting = cmPolicies::NEW;
   } else if (defaultValue == "OLD") {
     *defaultSetting = cmPolicies::OLD;
-  } else if (defaultValue == "") {
+  } else if (defaultValue.empty()) {
     *defaultSetting = cmPolicies::WARN;
   } else {
     std::ostringstream e;