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author | Robert Maynard <robert.maynard@kitware.com> | 2018-11-13 14:39:27 (GMT) |
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committer | Brad King <brad.king@kitware.com> | 2019-03-15 14:24:47 (GMT) |
commit | 9bede5c4cecd71fba7ce6a0687c4a68e1c84a54b (patch) | |
tree | 57e94c1e43b25ea3706b55cccff48d57b25dfc6d /Help/variable | |
parent | 0df31d99ae44e1e151feb4df977a4332833ea872 (diff) | |
download | CMake-9bede5c4cecd71fba7ce6a0687c4a68e1c84a54b.zip CMake-9bede5c4cecd71fba7ce6a0687c4a68e1c84a54b.tar.gz CMake-9bede5c4cecd71fba7ce6a0687c4a68e1c84a54b.tar.bz2 |
export: Disable PACKAGE mode user package registry by default
The user package registry populated by the `export()` command causes
side effects outside the build and source directories. Such effects
should be opt-in rather than op-out. Introduce a policy to change
default behavior of `export(PACKAGE)` to do nothing.
Diffstat (limited to 'Help/variable')
-rw-r--r-- | Help/variable/CMAKE_EXPORT_NO_PACKAGE_REGISTRY.rst | 9 | ||||
-rw-r--r-- | Help/variable/CMAKE_EXPORT_PACKAGE_REGISTRY.rst | 15 |
2 files changed, 22 insertions, 2 deletions
diff --git a/Help/variable/CMAKE_EXPORT_NO_PACKAGE_REGISTRY.rst b/Help/variable/CMAKE_EXPORT_NO_PACKAGE_REGISTRY.rst index ee109ba..768ed64 100644 --- a/Help/variable/CMAKE_EXPORT_NO_PACKAGE_REGISTRY.rst +++ b/Help/variable/CMAKE_EXPORT_NO_PACKAGE_REGISTRY.rst @@ -1,11 +1,16 @@ CMAKE_EXPORT_NO_PACKAGE_REGISTRY -------------------------------- -Disable the :command:`export(PACKAGE)` command. +Disable the :command:`export(PACKAGE)` command when :policy:`CMP0090` +is not set to ``NEW``. In some cases, for example for packaging and for system wide installations, it is not desirable to write the user package registry. -If the :variable:`CMAKE_EXPORT_NO_PACKAGE_REGISTRY` variable is enabled, +If the ``CMAKE_EXPORT_NO_PACKAGE_REGISTRY`` variable is enabled, the :command:`export(PACKAGE)` command will do nothing. +If :policy:`CMP0090` is set to ``NEW`` this variable does nothing, and the +:variable:`CMAKE_EXPORT_PACKAGE_REGISTRY` variable controls the behavior +instead. + See also :ref:`Disabling the Package Registry`. diff --git a/Help/variable/CMAKE_EXPORT_PACKAGE_REGISTRY.rst b/Help/variable/CMAKE_EXPORT_PACKAGE_REGISTRY.rst new file mode 100644 index 0000000..3476a19 --- /dev/null +++ b/Help/variable/CMAKE_EXPORT_PACKAGE_REGISTRY.rst @@ -0,0 +1,15 @@ +CMAKE_EXPORT_PACKAGE_REGISTRY +----------------------------- + +Enables the :command:`export(PACKAGE)` command when :policy:`CMP0090` +is set to ``NEW``. + +The :command:`export(PACKAGE)` command does nothing by default. In some cases +it is desirable to write to the user package registry, so the +``CMAKE_EXPORT_PACKAGE_REGISTRY`` variable may be set to enable it. + +If :policy:`CMP0090` is *not* set to ``NEW`` this variable does nothing, and +the :variable:`CMAKE_EXPORT_NO_PACKAGE_REGISTRY` variable controls the behavior +instead. + +See also :ref:`Disabling the Package Registry`. |