diff options
| -rw-r--r-- | Tests/RunCMake/CMakeLists.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt index dafb174..86cb849 100644 --- a/Tests/RunCMake/CMakeLists.txt +++ b/Tests/RunCMake/CMakeLists.txt @@ -443,6 +443,17 @@ function(add_RunCMake_test_try_compile) set(CMAKE_C_STANDARD_DEFAULT 11) endif() endif() + if(CMAKE_VERSION VERSION_LESS 3.20.6 AND "x${CMAKE_C_COMPILER_ID}" STREQUAL "xIntelLLVM" AND "x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC") + # Older CMake versions accidentally set the default standards to empty when + # IntelLLVM targets the MSVC ABI, thus not activating standard selection. + # Approximate the logic from IntelLLVM-{C,CXX}.cmake. + if(DEFINED CMAKE_C_STANDARD_DEFAULT AND "${CMAKE_C_STANDARD_DEFAULT}" STREQUAL "") + set(CMAKE_C_STANDARD_DEFAULT 17) + endif() + if(DEFINED CMAKE_CXX_STANDARD_DEFAULT AND "${CMAKE_CXX_STANDARD_DEFAULT}" STREQUAL "") + set(CMAKE_CXX_STANDARD_DEFAULT 14) + endif() + endif() foreach(var CMAKE_SYSTEM_NAME CMAKE_C_COMPILER_ID |