summaryrefslogtreecommitdiff
path: root/Modules/Compiler/Intel-C-FeatureTests.cmake
diff options
context:
space:
mode:
Diffstat (limited to 'Modules/Compiler/Intel-C-FeatureTests.cmake')
-rw-r--r--Modules/Compiler/Intel-C-FeatureTests.cmake20
1 files changed, 20 insertions, 0 deletions
diff --git a/Modules/Compiler/Intel-C-FeatureTests.cmake b/Modules/Compiler/Intel-C-FeatureTests.cmake
new file mode 100644
index 000000000..5d09767b5
--- /dev/null
+++ b/Modules/Compiler/Intel-C-FeatureTests.cmake
@@ -0,0 +1,20 @@
+# References:
+# - https://software.intel.com/en-us/articles/iso-iec-standards-language-conformance-for-intel-c-compiler
+# - https://software.intel.com/en-us/articles/c99-support-in-intel-c-compiler
+# - https://software.intel.com/en-us/articles/c11-support-in-intel-c-compiler
+
+set(DETECT_C99 "defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L")
+set(DETECT_C11 "defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L")
+
+#static assert is only around in version 1500 update 2 and above
+set(_cmake_feature_test_c_static_assert "(__INTEL_COMPILER > 1500 || (__INTEL_COMPILER == 1500 && __INTEL_COMPILER_UPDATE > 1) ) && (${DETECT_C11} || ${DETECT_C99} && !defined(_MSC_VER))")
+
+set(_cmake_oldestSupported "__INTEL_COMPILER >= 1110")
+set(Intel_C99 "${_cmake_oldestSupported} && ${DETECT_C99}")
+set(_cmake_feature_test_c_restrict "${Intel_C99}")
+set(_cmake_feature_test_c_variadic_macros "${Intel_C99}")
+set(_cmake_feature_test_c_function_prototypes "${_cmake_oldestSupported}")
+unset(Intel_C99)
+
+unset(DETECT_C99)
+unset(DETECT_C11)