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Protect implicit link library extraction with policy CMP0054

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CMakeParseImplicitLinkInfo tests arbitrary content with `if(MATCHES)`.
Set policy CMP0054 to ensure the line content is never interpreted as a
variable reference (which may also produce a CMP0054 warning).

While at it, also set policy CMP0053 to improve performance.
This commit is contained in:
Brad King 2018-07-10 09:25:10 -04:00
parent be69317b97
commit a353d10a75
1 changed files with 5 additions and 0 deletions
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5
Modules/CMakeParseImplicitLinkInfo.cmake
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@ -1,6 +1,9 @@
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
cmake_policy(PUSH)
cmake_policy(SET CMP0053 NEW)
cmake_policy(SET CMP0054 NEW)
# Function parse implicit linker options.
# This is used internally by CMake and should not be included by user
@ -185,3 +188,5 @@ function(CMAKE_PARSE_IMPLICIT_LINK_INFO text lib_var dir_var fwk_var log_var obj
set(${fwk_var} "${implicit_fwks}" PARENT_SCOPE)
set(${log_var} "${log}" PARENT_SCOPE)
endfunction()
cmake_policy(POP)