Eike Ziller 57a69d9d0b CMake build: Avoid endless loop if plugin does not exist ...

get_property fails if the target does not exist, and _dep stays at some
old value.

This leads to a) a lot of cmake backtraces with an error message that
doesn't add anything useful, and b) an endless loop in
find_dependent_plugins. Which in the end leads to 500.000 lines of
useless CMake output, repeating
"qtcreator/cmake/QtCreatorAPIInternal.cmake:340 (find_dependent_plugins)"

Skip get_property if the target doesn't exist.

Change-Id: Ic694bc05b3dce5b83220a2f5dab8f063ef692c12
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

2022-05-10 12:57:16 +00:00

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