diff options
Diffstat (limited to 'Tests/RunCMake/CXXModules/Inspect.cmake')
| -rw-r--r-- | Tests/RunCMake/CXXModules/Inspect.cmake | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Tests/RunCMake/CXXModules/Inspect.cmake b/Tests/RunCMake/CXXModules/Inspect.cmake index 612b01b..e648e8c 100644 --- a/Tests/RunCMake/CXXModules/Inspect.cmake +++ b/Tests/RunCMake/CXXModules/Inspect.cmake @@ -15,11 +15,28 @@ if (CMAKE_CXX_FLAGS MATCHES "-std=") set(forced_cxx_standard 1) endif () +macro (cxx_check_import_std version) + set(have_cxx${version}_import_std 0) + if ("${version}" IN_LIST CMAKE_CXX_COMPILER_IMPORT_STD) + set(have_cxx${version}_import_std 1) + endif () + + if (TARGET "__CMAKE:CXX${version}" AND NOT have_cxx${version}_import_std) + message(FATAL_ERROR + "The toolchain's C++${version} target exists, but the user variable does " + "not indicate it.") + endif () +endmacro () + +cxx_check_import_std(23) +cxx_check_import_std(26) + # Forward information about the C++ compile features. string(APPEND info "\ set(CMAKE_CXX_COMPILE_FEATURES \"${CMAKE_CXX_COMPILE_FEATURES}\") set(CMAKE_MAKE_PROGRAM \"${CMAKE_MAKE_PROGRAM}\") set(forced_cxx_standard \"${forced_cxx_standard}\") +set(have_cxx23_import_std \"${have_cxx23_import_std}\") set(CMAKE_CXX_COMPILER_VERSION \"${CMAKE_CXX_COMPILER_VERSION}\") set(CMAKE_CXX_OUTPUT_EXTENSION \"${CMAKE_CXX_OUTPUT_EXTENSION}\") set(CXXModules_default_build_type \"${CMAKE_BUILD_TYPE}\") |