diff options
Diffstat (limited to 'Tests/RunCMake/CXXModules/compiler_introspection.cmake')
-rw-r--r-- | Tests/RunCMake/CXXModules/compiler_introspection.cmake | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Tests/RunCMake/CXXModules/compiler_introspection.cmake b/Tests/RunCMake/CXXModules/compiler_introspection.cmake new file mode 100644 index 0000000..7a2df3d --- /dev/null +++ b/Tests/RunCMake/CXXModules/compiler_introspection.cmake @@ -0,0 +1,25 @@ +enable_language(CXX) + +set(info "") + +# See `Modules/Compiler/MSVC-CXX.cmake` for this. If there is explicitly no +# default, the feature list is populated to be everything. +if (DEFINED CMAKE_CXX_STANDARD_DEFAULT AND + CMAKE_CXX_STANDARD_DEFAULT STREQUAL "") + set(CMAKE_CXX_COMPILE_FEATURES "") +endif () + +# Detect if the environment forces a C++ standard, let the test selection know. +set(forced_cxx_standard 0) +if (CMAKE_CXX_FLAGS MATCHES "-std=") + set(forced_cxx_standard 1) +endif () + +# 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 \"${forced_cxx_standard}\") +") + +file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/info.cmake" "${info}") |