Several CMake packages such as log4cplus and protobuf(-c) install to
lib64 instead of lib on some hosts. This completely breaks rpath linking.
Override it globally to avoid fixing each package individually.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Tested-by: Sebastian Kemper <sebastian_ml@gmx.net>
(cherry picked from commit 383abffb1179a142b4c8f86559baad5b24d391c3)