This package installs also static libs ".a" please provide do add relative USE. TIA /usr/lib/libmpfr.a /usr/lib/libmpfr.so.4.0.0 /usr/lib/libmpfr.la /usr/lib/libmpfr.so /usr/lib/libmpfr.so.4 Please remove also .la if is not needed.
implemented with mpfr-3.0.1_p4-r1