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| author | Brad King <brad.king@kitware.com> | 2023-11-01 17:47:57 (GMT) |
|---|---|---|
| committer | Kitware Robot <kwrobot@kitware.com> | 2023-11-01 17:48:14 (GMT) |
| commit | 59c3ce4c838c0ff8614f0091033183c336f874d6 (patch) | |
| tree | 5f10e551d340214d330d814ee64400f99f50739c /Help/policy/CMP0155.rst | |
| parent | 8b95e3ff434948541fcbaeaa03e1137eda846abe (diff) | |
| parent | 1f507580a13b2883a016cab2f18cf3d6f868d269 (diff) | |
| download | CMake-59c3ce4c838c0ff8614f0091033183c336f874d6.zip CMake-59c3ce4c838c0ff8614f0091033183c336f874d6.tar.gz CMake-59c3ce4c838c0ff8614f0091033183c336f874d6.tar.bz2 | |
Merge topic 'cxxmodules-cmp0155-graceful-fallback-without-scanner' into release-3.28
1f507580a1 cmGlobalGenerator: give context about module queries
889aa0354a CMP0155: ignore scanning for sources if no scanner is available
Acked-by: Kitware Robot <kwrobot@kitware.com>
Tested-by: buildbot <buildbot@kitware.com>
Merge-request: !8925
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. |