24 lines
1.0 KiB
CMake
24 lines
1.0 KiB
CMake
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# References:
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# - https://software.intel.com/en-us/articles/iso-iec-standards-language-conformance-for-intel-c-compiler
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# - https://software.intel.com/en-us/articles/c99-support-in-intel-c-compiler
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# - https://software.intel.com/en-us/articles/c11-support-in-intel-c-compiler
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# FIXME: Intel C feature detection works only when simulating the GNU compiler.
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if("x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC")
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return()
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endif()
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set(DETECT_C99 "defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L")
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#static assert is only around in version 1500 update 2 and above
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set(_cmake_feature_test_c_static_assert "(__INTEL_COMPILER > 1500 || (__INTEL_COMPILER == 1500 && __INTEL_COMPILER_UPDATE > 1) ) && ${DETECT_C99}")
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set(_cmake_oldestSupported "__INTEL_COMPILER >= 1110")
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set(Intel_C99 "${_cmake_oldestSupported} && ${DETECT_C99}")
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set(_cmake_feature_test_c_restrict "${Intel_C99}")
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set(_cmake_feature_test_c_variadic_macros "${Intel_C99}")
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set(_cmake_feature_test_c_function_prototypes "${_cmake_oldestSupported}")
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unset(Intel_C99)
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unset(DETECT_C99)
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