fix: Don't override global settings for VISIBILITY if set #2793
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Sometimes programmers want to control this, and while it can be changed after the fact, it's commonly set via a CMAKE_ variable; if that variable is set, we should respect that (like the CMAKE_INTERPROCEDURAL_OPTIMIZATION setting).
YannickJadoul
approved these changes
Jan 14, 2021
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Description
Sometimes programmers want to control this, and while it can be changed after the fact, it's commonly set via a CMAKE_ variable; if that variable is set, we should respect that (like the CMAKE_INTERPROCEDURAL_OPTIMIZATION setting).
Closes #2479
Suggested changelog entry:
* Respect the setting for ``CMAKE_CXX_VISIBILITY_PRESET`` if defined.