diff options
Diffstat (limited to 'Tests/CompileFeatures')
| -rw-r--r-- | Tests/CompileFeatures/CMakeLists.txt | 13 | ||||
| -rw-r--r-- | Tests/CompileFeatures/msvc_permissive.cxx | 9 |
2 files changed, 22 insertions, 0 deletions
diff --git a/Tests/CompileFeatures/CMakeLists.txt b/Tests/CompileFeatures/CMakeLists.txt index f3d3a73..17f4408 100644 --- a/Tests/CompileFeatures/CMakeLists.txt +++ b/Tests/CompileFeatures/CMakeLists.txt @@ -374,3 +374,16 @@ else() target_link_libraries(CompileFeaturesGenex3 PRIVATE std_11_iface) target_compile_definitions(CompileFeaturesGenex3 PRIVATE ${genex_test_defs} ALLOW_LATER_STANDARDS=1) endif() + +if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" + AND (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.30 + # The MSVC 14.29.30133 toolset supports C++20, + # but MSBuild puts the flags in the wrong order. + OR (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.29.30129 AND NOT CMAKE_GENERATOR MATCHES "Visual Studio") + ) + ) + add_library(msvc_permissive msvc_permissive.cxx) + target_compile_features(msvc_permissive PRIVATE cxx_std_20) + # The `-std:c++20` flag implies `-permissive-`. Test passing `-permissive` afterward. + target_compile_options(msvc_permissive PRIVATE -permissive) +endif() diff --git a/Tests/CompileFeatures/msvc_permissive.cxx b/Tests/CompileFeatures/msvc_permissive.cxx new file mode 100644 index 0000000..a8f2ff3 --- /dev/null +++ b/Tests/CompileFeatures/msvc_permissive.cxx @@ -0,0 +1,9 @@ +#if !defined(_MSVC_LANG) || _MSVC_LANG < 202002L +# error "This source must be compiled with MSVC as C++20 or later." +#endif +// Test a construct that is allowed by MSVC only with 'cl -permissive'. +enum class X +{ + Y = 1 +}; +int array[X::Y]; |