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CheckTypeSize: Do not use cmake_policy(VERSION) 

Do not force a specific policy version in the module because it prevents
projects from setting newer policies to NEW.  In particular, projects
may want to set CMP0056 to NEW to affect any try_compile calls in this
module.

Use of this was added in commit v2.8.2~539 (New CheckTypeSize for OS X
Universal Binaries, 2009-12-17) and updated in commit v3.1.0-rc1~511^2~1
(Do not change minimum required version in modules, 2014-05-07).  The
history does not clearly explain why a specific policy version was
introduced.  If specific policies need to be NEW then we can add
explicit settings for them.
This commit is contained in:
Brad King 2015-05-19 12:54:53 -04:00
parent 6784f0a6eb
commit a4596f2048
1 changed files with 0 additions and 1 deletions
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Modules/CheckTypeSize.cmake
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@ -82,7 +82,6 @@ include(CheckIncludeFile)
include(CheckIncludeFileCXX)
cmake_policy(PUSH)
cmake_policy(VERSION 3.0)
cmake_policy(SET CMP0054 NEW)
get_filename_component(__check_type_size_dir "${CMAKE_CURRENT_LIST_FILE}" PATH)