diff options
Diffstat (limited to 'Modules/Compiler/Clang-C-FeatureTests.cmake')
-rw-r--r-- | Modules/Compiler/Clang-C-FeatureTests.cmake | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Modules/Compiler/Clang-C-FeatureTests.cmake b/Modules/Compiler/Clang-C-FeatureTests.cmake index 4a72e87..2d8673d 100644 --- a/Modules/Compiler/Clang-C-FeatureTests.cmake +++ b/Modules/Compiler/Clang-C-FeatureTests.cmake @@ -1,9 +1,9 @@ set(_cmake_oldestSupported "((__clang_major__ * 100) + __clang_minor__) >= 304") -set(Clang_C11 "${_cmake_oldestSupported} && __STDC_VERSION__ >= 201112L") +set(Clang_C11 "${_cmake_oldestSupported} && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L") set(_cmake_feature_test_c_static_assert "${Clang_C11}") -set(Clang_C99 "${_cmake_oldestSupported} && __STDC_VERSION__ >= 199901L") +set(Clang_C99 "${_cmake_oldestSupported} && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L") set(_cmake_feature_test_c_restrict "${Clang_C99}") set(_cmake_feature_test_c_variadic_macros "${Clang_C99}") |