From 58c8d649e178ad775012dfdf75a5118cbd2de23a Mon Sep 17 00:00:00 2001 From: Thomas Dickerson Date: Thu, 4 Nov 2021 10:59:10 -0400 Subject: CheckLinkerFlag: Set policies needed by the implementation The module was added in CMake 3.18 by commit af96c0f4fa (CheckLinkerFlag: Add module to check validity of linker flags, 2020-05-16, v3.18.0-rc1~103^2), but it is still possible for projects to use it without setting policies to the 3.18 version level. --- Modules/CheckLinkerFlag.cmake | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'Modules/CheckLinkerFlag.cmake') diff --git a/Modules/CheckLinkerFlag.cmake b/Modules/CheckLinkerFlag.cmake index 28ac2e32e2..e85e43e9b6 100644 --- a/Modules/CheckLinkerFlag.cmake +++ b/Modules/CheckLinkerFlag.cmake @@ -41,6 +41,10 @@ include_guard(GLOBAL) include(CMakeCheckCompilerFlagCommonPatterns) +cmake_policy(PUSH) +cmake_policy(SET CMP0054 NEW) # if() quoted variables not dereferenced +cmake_policy(SET CMP0057 NEW) # if() supports IN_LIST + function(CHECK_LINKER_FLAG _lang _flag _var) get_property (_supported_languages GLOBAL PROPERTY ENABLED_LANGUAGES) if (NOT _lang IN_LIST _supported_languages) @@ -82,3 +86,5 @@ function(CHECK_LINKER_FLAG _lang _flag _var) endforeach() set(${_var} "${${_var}}" PARENT_SCOPE) endfunction() + +cmake_policy(POP) -- cgit v1.2.1