diff options
Diffstat (limited to 'Help/policy/CMP0155.rst')
| -rw-r--r-- | Help/policy/CMP0155.rst | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Help/policy/CMP0155.rst b/Help/policy/CMP0155.rst index 2dafadf..8b741cb 100644 --- a/Help/policy/CMP0155.rst +++ b/Help/policy/CMP0155.rst @@ -3,7 +3,8 @@ CMP0155 .. versionadded:: 3.28 -C++ sources in targets with at least C++20 are scanned for imports. +C++ sources in targets with at least C++20 are scanned for imports +when supported. CMake 3.27 and below assume that C++ sources do not ``import`` modules. CMake 3.28 and above prefer to assume that C++ sources in targets using C++20 @@ -16,7 +17,8 @@ support. The ``OLD`` behavior for this policy is to assume that C++ 20 and newer sources do not import modules. The ``NEW`` behavior for this policy is to -assume that C++ 20 and newer files may import modules, and need to be scanned. +assume that C++ 20 and newer files may import modules if the compiler +understands how to scan for their dependencies, and need to be scanned. This policy was introduced in CMake version 3.28. Use the :command:`cmake_policy` command to set it to ``OLD`` or ``NEW`` explicitly. |