Merge topic 'ipo-policy-CMP0069'

dfa8263f Implement interprocedural optimization for GNU compilers
1588a577 Add policy CMP0069 to enforce INTERPROCEDURAL_OPTIMIZATION
a7575700 Refactoring: s,GetFeatureAsBool,IsIPOEnabled,
e05835c3 CheckIPOSupported: Visual Studio and Xcode generators do not support IPO

Acked-by: Kitware Robot <kwrobot@kitware.com>
Reviewed-by: Brad King <brad.king@kitware.com>
Reviewed-by: Nils Gladitz <nilsgladitz@gmail.com>
Merge-request: !568

1 files changed, 6 insertions, 2 deletions

diff --git a/Source/cmGeneratorTarget.h b/Source/cmGeneratorTarget.h
index d60ad24..fcab4aa 100644
--- a/Source/cmGeneratorTarget.h
+++ b/Source/cmGeneratorTarget.h
@@ -112,8 +112,8 @@ public:
 
   const char* GetFeature(const std::string& feature,
                          const std::string& config) const;
-  bool GetFeatureAsBool(const std::string& feature,
-                        const std::string& config) const;
+
+  bool IsIPOEnabled(const std::string& config) const;
 
   bool IsLinkInterfaceDependentBoolProperty(const std::string& p,
                                             const std::string& config) const;
@@ -309,6 +309,9 @@ public:
   void GetAppleArchs(const std::string& config,
                      std::vector<std::string>& archVec) const;
 
+  std::string GetFeatureSpecificLinkRuleVariable(
+    std::string const& var, std::string const& config) const;
+
   /** Return the rule variable used to create this type of target.  */
   std::string GetCreateRuleVariable(std::string const& lang,
                                     std::string const& config) const;
@@ -745,6 +748,7 @@ private:
   mutable std::set<cmLinkItem> UtilityItems;
   cmPolicies::PolicyMap PolicyMap;
   mutable bool PolicyWarnedCMP0022;
+  mutable bool PolicyReportedCMP0069;
   mutable bool DebugIncludesDone;
   mutable bool DebugCompileOptionsDone;
   mutable bool DebugCompileFeaturesDone;