Commit 62dbe53a authored by Robert Maynard's avatar Robert Maynard Committed by Brad King

CompileFeatures: Record when Intel gained full CXX14 support

Use the infrastructure added by commit 646fb1a6 (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.
parent 1ebb0d79
......@@ -40,13 +40,7 @@ else()
set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++17")
endif()
# While full C++14 support was first introduced in Intel 17,
# 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)
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 17.0)
set(CMAKE_CXX14_STANDARD__HAS_FULL_SUPPORT ON)
endif()
......
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