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author | Craig Scott <craig.scott@crascit.com> | 2023-08-07 22:10:36 (GMT) |
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committer | Kitware Robot <kwrobot@kitware.com> | 2023-08-07 22:10:56 (GMT) |
commit | feca1d51ff18faff5a51960407a6fdac5ebb89f8 (patch) | |
tree | 7cd5fc36766ad84d3d8755f947d4d4b39c0c3add /Help/prop_tgt | |
parent | 4240e74858aebf82fb1b371bf15f84e509d13966 (diff) | |
parent | 78e7ea598d2c1642ffbf8d402e8485ad590b322f (diff) | |
download | CMake-feca1d51ff18faff5a51960407a6fdac5ebb89f8.zip CMake-feca1d51ff18faff5a51960407a6fdac5ebb89f8.tar.gz CMake-feca1d51ff18faff5a51960407a6fdac5ebb89f8.tar.bz2 |
Merge topic 'doc-fixups-release-3.27'
78e7ea598d cmLocalGenerator: Fix trivial spelling error in code comment
1285fe27ff Help: Improve formatting and fix wording for ENABLE_EXPORTS
91336d061c Help: Improve formatting and cross-references for DEPENDS_EXPLICIT_ONLY
03208d9e18 Help: Fix indenting within TARGET_RUNTIME_DLLS genex docs
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !8688
Diffstat (limited to 'Help/prop_tgt')
-rw-r--r-- | Help/prop_tgt/ENABLE_EXPORTS.rst | 53 |
1 files changed, 28 insertions, 25 deletions
diff --git a/Help/prop_tgt/ENABLE_EXPORTS.rst b/Help/prop_tgt/ENABLE_EXPORTS.rst index 3e9b285..e34c649 100644 --- a/Help/prop_tgt/ENABLE_EXPORTS.rst +++ b/Help/prop_tgt/ENABLE_EXPORTS.rst @@ -27,30 +27,33 @@ varies by platform: referencing the executable since the dynamic loader will automatically bind symbols when the module is loaded. -This property is initialized by the value of the variable -:variable:`CMAKE_EXECUTABLE_ENABLE_EXPORTS` if it is set when an executable -target is created. +This property is initialized by the value of the +:variable:`CMAKE_EXECUTABLE_ENABLE_EXPORTS` variable, if it is set when an +executable target is created. If :variable:`CMAKE_EXECUTABLE_ENABLE_EXPORTS` +is not set, the :variable:`CMAKE_ENABLE_EXPORTS` variable is used to initialize +the property instead for backward compatibility reasons. +See below for alternative initialization behavior for shared library targets. .. versionadded:: 3.27 - On macOS, to link with a shared library (standard one as well as framework), - a linker import file (e.g. a text-based stubs file, with ``.tbd`` extension) - can be used instead of the shared library itself. - -The generation of these linker import files, as well as the consumption, is -controlled by this property. When this property is set to true, CMake will -generate a ``.tbd`` file for each shared library created by -:command:`add_library` command. This allow other targets to use this ``.tbd`` -file to link to the library with the :command:`target_link_libraries` -command. - -.. note:: - - For compatibility purpose, this property will be ignored if - :prop_tgt:`XCODE_ATTRIBUTE_GENERATE_TEXT_BASED_STUBS <XCODE_ATTRIBUTE_<an-attribute>>` - target property or the - :variable:`CMAKE_XCODE_ATTRIBUTE_GENERATE_TEXT_BASED_STUBS <CMAKE_XCODE_ATTRIBUTE_<an-attribute>>` - variable is set to ``NO``. - -This property is initialized by the value of the variable -:variable:`CMAKE_SHARED_LIBRARY_ENABLE_EXPORTS` if it is set when a shared -library target is created. + On Apple platforms, to link with a shared library (either a bare library or a + framework), a linker import file can be used instead of the actual shared + library. These linker import files are also known as text-based stubs, and + they have a ``.tbd`` file extension. + + The generation of these linker import files, as well as their consumption, is + controlled by this property. When this property is set to true on a shared + library target, CMake will generate a ``.tbd`` file for the library. + Other targets that link to the shared library target will then use this + ``.tbd`` file when linking rather than linking to the shared library binary. + + .. note:: + + For backward compatibility reasons, this property will be ignored if the + :prop_tgt:`XCODE_ATTRIBUTE_GENERATE_TEXT_BASED_STUBS <XCODE_ATTRIBUTE_<an-attribute>>` + target property or the + :variable:`CMAKE_XCODE_ATTRIBUTE_GENERATE_TEXT_BASED_STUBS <CMAKE_XCODE_ATTRIBUTE_<an-attribute>>` + variable is set to false. + + For shared library targets, this property is initialized by the value of the + :variable:`CMAKE_SHARED_LIBRARY_ENABLE_EXPORTS` variable, if it is set when + the target is created. |