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Add deprecation warnings for policies CMP0108 and below

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The OLD behaviors of all policies are deprecated, but only by
documentation.  Add an explicit deprecation diagnostic for policies
introduced in CMake 3.18 and below to encourage projects to port
away from setting policies to OLD.
This commit is contained in:
Brad King
2022-10-12 11:52:35 -04:00
parent f6af01b53d
commit c0e8bb5150
6 changed files with 52 additions and 2 deletions
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Source/cmMakefile.cxx
+2 -2
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@@ -4470,12 +4470,12 @@ bool cmMakefile::SetPolicy(cmPolicies::PolicyID id,
}
// Deprecate old policies.
if (status == cmPolicies::OLD && id <= cmPolicies::CMP0102 &&
if (status == cmPolicies::OLD && id <= cmPolicies::CMP0108 &&
!(this->GetCMakeInstance()->GetIsInTryCompile() &&
(
// Policies set by cmCoreTryCompile::TryCompileCode.
id == cmPolicies::CMP0065 || id == cmPolicies::CMP0083 ||
id == cmPolicies::CMP0091)) &&
id == cmPolicies::CMP0091 || id == cmPolicies::CMP0104)) &&
(!this->IsSet("CMAKE_WARN_DEPRECATED") ||
this->IsOn("CMAKE_WARN_DEPRECATED"))) {
this->IssueMessage(MessageType::DEPRECATION_WARNING,