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Add deprecation warnings for policies CMP0065 and below

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The OLD behaviors of all policies are deprecated, but only by
documentation.  Add an explicit deprecation diagnostic for some policies
to encourage projects to port away from setting policies to OLD.
This commit is contained in:
Brad King
2019-01-11 14:10:15 -05:00
parent 5a283b79e5
commit 6845e2559d
3 changed files with 23 additions and 1 deletions
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6
Source/cmMakefile.cxx
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@@ -4232,7 +4232,11 @@ bool cmMakefile::SetPolicy(cmPolicies::PolicyID id,
// Deprecate old policies, especially those that require a lot
// of code to maintain the old behavior.
if (status == cmPolicies::OLD && id <= cmPolicies::CMP0063) {
if (status == cmPolicies::OLD && id <= cmPolicies::CMP0065 &&
!(this->GetCMakeInstance()->GetIsInTryCompile() &&
(
// Policies set by cmCoreTryCompile::TryCompileCode.
id == cmPolicies::CMP0065))) {
this->IssueMessage(cmake::DEPRECATION_WARNING,
cmPolicies::GetPolicyDeprecatedWarning(id));
}