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CompileFeatures: Record when Intel gained full CXX14 support

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Use the infrastructure added by commit 646fb1a646 (CompileFeatures:
memoize C++ compilers with full language level support, 2019-03-27) to
avoid using a `try_compile` to check for C++14 feature support when the
running compiler is known to have all features.
This commit is contained in:
Robert Maynard
2019-05-09 10:55:55 -04:00
committed by Brad King
parent 1ebb0d79fe
commit 62dbe53a8a
1 changed files with 1 additions and 7 deletions
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8
Modules/Compiler/Intel-CXX.cmake
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@@ -40,13 +40,7 @@ else()
set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++17") set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++17")
endif() endif()
# While full C++14 support was first introduced in Intel 17, if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 17.0)
# Intel 18.0.0-4 don't have full support as they broke
# support for cxx_relaxed_constexpr.
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 18.0.4)
set(CMAKE_CXX14_STANDARD__HAS_FULL_SUPPORT ON)
elseif(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 17.0.0
AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 18.0.0)
set(CMAKE_CXX14_STANDARD__HAS_FULL_SUPPORT ON) set(CMAKE_CXX14_STANDARD__HAS_FULL_SUPPORT ON)
endif() endif()