diff options
Diffstat (limited to 'Tests/RunCMake/CMakeLists.txt')
| -rw-r--r-- | Tests/RunCMake/CMakeLists.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt index fed0841..5f8ff42 100644 --- a/Tests/RunCMake/CMakeLists.txt +++ b/Tests/RunCMake/CMakeLists.txt @@ -417,6 +417,13 @@ function(add_RunCMake_test_try_compile) set(CMAKE_C_STANDARD_DEFAULT "") endif() endif() + if(CMAKE_VERSION VERSION_LESS 3.20.20210225 AND "x${CMAKE_C_COMPILER_ID}" STREQUAL "xClang") + # Older CMake versions do not know about Clang MSVC compatibility mode + # standards. Approximate the logic from Clang-C.cmake. + if(CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 3.5.2) + set(CMAKE_C_STANDARD_DEFAULT 11) + endif() + endif() foreach(var CMAKE_SYSTEM_NAME CMAKE_C_COMPILER_ID |