ENH: Improve errors when a policy is REQUIRED

In the future some policies may be set to REQUIRED_IF_USED or
REQUIRED_ALWAYS.  This change clarifies the error messages users receive
when violating the requirements.

1 files changed, 1 insertions, 0 deletions

diff --git a/Source/cmMakefile.h b/Source/cmMakefile.h
index 780b2fe..f9d10b6 100644
--- a/Source/cmMakefile.h
+++ b/Source/cmMakefile.h
@@ -900,6 +900,7 @@ private:
   typedef std::map<cmPolicies::PolicyID,
                    cmPolicies::PolicyStatus> PolicyMap;
   std::vector<PolicyMap> PolicyStack;
+  cmPolicies::PolicyStatus GetPolicyStatusInternal(cmPolicies::PolicyID id);
 
   bool CheckCMP0000;