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Add deprecation warnings for policies CMP0102 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 3.17 and below to encourage projects to port
away from setting policies to OLD.
This commit is contained in:
Brad King 2022-06-14 14:45:20 -04:00
parent ca8a5b05de
commit 5c8b776ca3
3 changed files with 21 additions and 1 deletions
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2
Source/cmMakefile.cxx
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@ -4431,7 +4431,7 @@ bool cmMakefile::SetPolicy(cmPolicies::PolicyID id,
}
// Deprecate old policies.
if (status == cmPolicies::OLD && id <= cmPolicies::CMP0097 &&
if (status == cmPolicies::OLD && id <= cmPolicies::CMP0102 &&
!(this->GetCMakeInstance()->GetIsInTryCompile() &&
(
// Policies set by cmCoreTryCompile::TryCompileCode.

10
Tests/RunCMake/CMP0102/CMP0102-OLD-stderr.txt Normal file
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@ -0,0 +1,10 @@
^CMake Deprecation Warning at CMP0102-OLD.cmake:[0-9]+ \(cmake_policy\):
The OLD behavior for policy CMP0102 will be removed from a future version
of CMake.
The cmake-policies\(7\) manual explains that the OLD behaviors of all
policies are deprecated and that a policy should be set to OLD only under
specific short-term circumstances. Projects should be ported to the NEW
behavior and not rely on setting a policy to OLD.
Call Stack \(most recent call first\):
CMakeLists.txt:[0-9]+ \(include\)$

10
Tests/RunCMake/target_compile_options/CMP0101-BEFORE_keyword-stderr.txt Normal file
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@ -0,0 +1,10 @@
^CMake Deprecation Warning at CMP0101-BEFORE_keyword.cmake:[0-9]+ \(cmake_policy\):
The OLD behavior for policy CMP0101 will be removed from a future version
of CMake.
The cmake-policies\(7\) manual explains that the OLD behaviors of all
policies are deprecated and that a policy should be set to OLD only under
specific short-term circumstances. Projects should be ported to the NEW
behavior and not rely on setting a policy to OLD.
Call Stack \(most recent call first\):
CMakeLists.txt:[0-9]+ \(include\)$