[CMake] Passing linker argument in a compiler independent way in CMake?

[mchalls]

I have a project with both GCC and Clang used. I need to pass an option to
the linker. I tried to used CMake this way:

SET_TARGET_PROPERTIES(mytarget PROPERTIES LINK_FLAGS
"--allow-shlib-undefined")

However this simply adds the option *--allow-shlib-undefined* to the
compiler options. But GCC and Clang expects different prefixes for passing
an option to the linker. For example, GCC expects it to be
-Wl--allow-shlib-undefined, while Clang expects another prefix.

Is it possible to solve this in a compiler independent way? Or do I have to
add the prefix myself with and if-else block?



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