The AIX loader doesn't support relative libpaths, so this mechanism
doesn't work and just messes up the resulting libpath. Also make sure
BUILD_WITH_INSTALL_RPATH is set, since we can't change the rpath on
in the following
we enable the PROPERTY BUILD_WITH_INSTALL_RPATH anyway?
https://reviews.llvm.org/D93177 [CMake] Don't enable BUILD_WITH_INSTALL_RPATH when using custom build rpath