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Add note about shared global target in CMake components #1946

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merged 2 commits into from Dec 2, 2020
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Add note about shared global target in CMake components #1946

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c86b527
Add note about shared global target in CMake components
danimtb Dec 1, 2020
b60ca5d
use javi's suggestion
danimtb Dec 2, 2020
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5 changes: 5 additions & 0 deletions reference/generators/cmake_find_package.rst
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Expand Up @@ -82,3 +82,8 @@ If a recipe uses components, the targets generated will be ``<PKG-NAME>::<COMP-N
Moreover, a global target ``<PKG-NAME>::<PKG-NAME>`` will be declared with the following properties adjusted:

- ``INTERFACE_LINK_LIBRARIES``: Containing all the component targets to link the global target to (includes package's components only).

.. important::

If there is a global target shared by different packages, then the global target will be linked to all the components targets **across
the different packages**. This means that the global target will include different components targets across different packages.
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5 changes: 5 additions & 0 deletions reference/generators/cmake_find_package_multi.rst
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Expand Up @@ -97,3 +97,8 @@ If a recipe uses :ref:`components <package_information_components>`, the targets
Moreover, a global target ``<PKG-NAME>::<PKG-NAME>`` will be declared with the following properties adjusted:

- ``INTERFACE_LINK_LIBRARIES``: Containing the list of targets for all the components in the package.

.. important::

If there is a global target shared by different packages, then the global target will be linked to all the components targets **across
the different packages**. This means that the global target will include different components targets across different packages.