CMP0111 requires IMPORTED_LOCATION or IMPORTED_IMPLIB being set

[oleid]

When using zenohc via cmake's FetchContent mechanism,
I get the following warnings:

CMake Warning (dev) in build/_deps/zenohc-src/CMakeLists.txt:
  Policy CMP0111 is not set: An imported target missing its location property
  fails during generation.  Run "cmake --help-policy CMP0111" for policy
  details.  Use the cmake_policy command to set the policy and suppress this
  warning.

  IMPORTED_LOCATION or IMPORTED_IMPLIB not set for imported target
  "zenohc_shared".

and on linking,

ninja: error: 'zenohc_shared-NOTFOUND', needed by 'myexecutable', missing and no known rule to make it

Apparently, the IMPORTED_LOCATION is really needed ;)
This change sets the correct library and makes the linking work fine for me.

Please note: While a generator expression would be nicer, we sadly have to evaluate the expression at configure-time.

[github-actions]

PR missing one of the required labels: {'documentation', 'bug', 'internal', 'enhancement', 'new feature', 'breaking-change', 'dependencies'}

[github-actions]

PR missing one of the required labels: {'documentation', 'dependencies', 'bug', 'new feature', 'enhancement', 'breaking-change', 'internal'}

[oleid]

I fixed the typo fixing the cross-compilation and replaced the remaining release variants with a local variable as well.

The CI now fails with a timeout while resolving musl.cc. Any idea what to do about this?

[fuzzypixelz]

Please sign the Eclipse Contributor Agreement.

[oleid]

Please sign the Eclipse Contributor Agreement.

I did this already a few days ago, once the pipeline complained for the first time. As far as I can tell, the corresponding pipeline is fine since.