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[Toni Förster <toni.foerster@xxxxxxxxx>]

The cmake warning is caused by Tino's "Quickfix" at revision 8853 in trunk.

These lines in BzrRevision.cmake trigger it the policy:

string(REGEX REPLACE "\n|\r$" "" WL_VERSION "${WL_VERSION}")
string(STRIP WL_VERSION "${WL_VERSION}")
file (WRITE ${CMAKE_CURRENT_BINARY_DIR}/VERSION "${WL_VERSION}")

See here:

https://cmake.org/cmake/help/v3.10/policy/CMP0054.html

adding this line to CMakeLists.txt solved the error:

cmake_policy(SET CMP0054 NEW)
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