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Add deprecation warnings for policies CMP0075 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 3.12 and below to encourage projects to port
away from setting policies to OLD.
This commit is contained in:
Brad King
2020-10-13 14:01:54 -04:00
parent f154769439
commit 2b218883cd
3 changed files with 23 additions and 2 deletions
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2
Source/cmMakefile.cxx
View File

@@ -4427,7 +4427,7 @@ 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::CMP0072 &&
if (status == cmPolicies::OLD && id <= cmPolicies::CMP0075 &&
!(this->GetCMakeInstance()->GetIsInTryCompile() &&
(
// Policies set by cmCoreTryCompile::TryCompileCode.

13
Tests/RunCMake/CheckModules/CMP0075-stderr.txt
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@@ -47,4 +47,15 @@ CMake Warning \(dev\) at [^
Call Stack \(most recent call first\):
CMP0075.cmake:41 \(check_include_files\)
CMakeLists.txt:[0-9]+ \(include\)
This warning is for project developers. Use -Wno-dev to suppress it.$
This warning is for project developers. Use -Wno-dev to suppress it.
+
CMake Deprecation Warning at CMP0075.cmake:[0-9]+ \(cmake_policy\):
The OLD behavior for policy CMP0075 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/add_library/CMP0073-stderr.txt Normal file
View File

@@ -0,0 +1,10 @@
^CMake Deprecation Warning at CMP0073.cmake:[0-9]+ \(cmake_policy\):
The OLD behavior for policy CMP0073 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]+ \(include\)$