[CMake] Override of link flag for one specific shared library

[Martin Apel]

Hi,

I have defined the following in a top-level CMakeLists.txt:
  SET (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}
-Wl,--unresolved-symbols=ignore-in-shared-libs")

Now I'd like to reset this for one specific library in a subdirectory
(in a separate CMakeLists.txt added with ADD_SUBDIRECTORY to the main
CMakeLists.txt). I tried to use
  SET_TARGET_PROPERTIES (FortranInterface PROPERTIES LINK_FLAGS
-Wl,--unresolved-symbols=ignore-in-object-files")
which reverses the effect of "ignore-in-shared-libs". Unfortunately the
linker rule contains the LINK_FLAGS before CMAKE_SHARED_LINKER_FLAGS, so
this cannot be used to override the setting. I have also tried resetting
CMAKE_SHARED_LINKER_FLAGS in the sub-CMakeLists.txt, but then it applies
to all other
libraries handled in this CMakeLists.txt as well.

Any ideas, how I can solve this problem?

Regards,

Martin

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