Commit 554b4f90 authored by Brad King's avatar Brad King
Browse files

Features: Record features for Intel C++ 17 on UNIX

Issue: #16384
parent 881585f9
# References:
# - https://software.intel.com/en-us/articles/c0x-features-supported-by-intel-c-compiler
# - https://software.intel.com/en-us/articles/c14-features-supported-by-intel-c-compiler
# - http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0096r3.html
# FIXME: Intel C++ feature detection works only when simulating the GNU compiler.
# When simulating MSVC, Intel always sets __cplusplus to 199711L.
......@@ -8,9 +9,8 @@ if("x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
return()
endif()
# these are not implemented in any version at time of writing
#set(_cmake_feature_test_cxx_variable_templates "${Intel15_CXX14}")
#set(_cmake_feature_test_cxx_relaxed_constexpr "${Intel15_CXX14}")
set(_cmake_feature_test_cxx_variable_templates "__cpp_variable_templates >= 201304")
set(_cmake_feature_test_cxx_relaxed_constexpr "__cpp_constexpr >= 201304")
set(_cmake_oldestSupported "__INTEL_COMPILER >= 1210")
set(DETECT_CXX11 "((__cplusplus >= 201103L) || defined(__INTEL_CXX11_MODE__) || defined(__GXX_EXPERIMENTAL_CXX0X__))")
......
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