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| author | Marc Chevrier <marc.chevrier@gmail.com> | 2023-04-19 16:01:10 +0200 |
|---|---|---|
| committer | Marc Chevrier <marc.chevrier@gmail.com> | 2023-05-03 17:08:07 +0200 |
| commit | 375e6fdbbe398921de321216125765ba1917a325 (patch) | |
| tree | 43d934f18f4d28a82d5264a0d0fb0301bc0bf7d9 /Help | |
| parent | 24a3e5cda049138ca178216e0d7b02262e4035ed (diff) | |
| download | cmake-375e6fdbbe398921de321216125765ba1917a325.tar.gz | |
Link step: use linker dependency linker file
Based on work done by @ben.boeckel (!8051)
Fixes: #22217
Diffstat (limited to 'Help')
| -rw-r--r-- | Help/manual/cmake-variables.7.rst | 1 | ||||
| -rw-r--r-- | Help/release/dev/use-linker-depfile.rst | 11 | ||||
| -rw-r--r-- | Help/variable/CMAKE_LINK_DEPENDS_USE_LINKER.rst | 12 |
3 files changed, 24 insertions, 0 deletions
diff --git a/Help/manual/cmake-variables.7.rst b/Help/manual/cmake-variables.7.rst index 34d2c50642..6241f7d95f 100644 --- a/Help/manual/cmake-variables.7.rst +++ b/Help/manual/cmake-variables.7.rst @@ -479,6 +479,7 @@ Variables that Control the Build /variable/CMAKE_LIBRARY_PATH_FLAG /variable/CMAKE_LINK_DEF_FILE_FLAG /variable/CMAKE_LINK_DEPENDS_NO_SHARED + /variable/CMAKE_LINK_DEPENDS_USE_LINKER /variable/CMAKE_LINK_GROUP_USING_FEATURE /variable/CMAKE_LINK_GROUP_USING_FEATURE_SUPPORTED /variable/CMAKE_LINK_INTERFACE_LIBRARIES diff --git a/Help/release/dev/use-linker-depfile.rst b/Help/release/dev/use-linker-depfile.rst new file mode 100644 index 0000000000..11237071f4 --- /dev/null +++ b/Help/release/dev/use-linker-depfile.rst @@ -0,0 +1,11 @@ +use-linker-depfile +------------------ + +* GNU (and GNU-compatible) linkers gained support for a ``--dependency-file`` + flag in GNU Binutils 2.35 and LLVM's LLD 12.0.0. The + :ref:`Makefile <Makefile Generators>` and :ref:`Ninja <Ninja Generators>` + generators will now add these flags so that files read by the linker will + cause a relink if they change (typically modified timestamps). + + This feature can be controlled by the variable + :variable:`CMAKE_LINK_DEPENDS_USE_LINKER`. diff --git a/Help/variable/CMAKE_LINK_DEPENDS_USE_LINKER.rst b/Help/variable/CMAKE_LINK_DEPENDS_USE_LINKER.rst new file mode 100644 index 0000000000..e1b37a59da --- /dev/null +++ b/Help/variable/CMAKE_LINK_DEPENDS_USE_LINKER.rst @@ -0,0 +1,12 @@ +CMAKE_LINK_DEPENDS_USE_LINKER +----------------------------- + +.. versionadded:: 3.27 + +For the :ref:`Makefile <Makefile Generators>` and +:ref:`Ninja <Ninja Generators>` generators, link dependencies are now, for a +selection of linkers, generated by the linker itself. By defining this +variable with value ``FALSE``, you can deactivate this feature. + +This feature is also deactivated if the :prop_tgt:`LINK_DEPENDS_NO_SHARED` +target property is true. |