This package installs also static libs ".a" please provide do add relative USE. TIA /usr/lib/libical.a /usr/lib/libicalss.a /usr/lib/libicalvcal.a /usr/lib/libical.so.0.43.0 /usr/lib/libicalss.so.0.43.0 /usr/lib/libicalvcal.so.0.43.0 /usr/lib/libicalvcal.la /usr/lib/pkgconfig/libical.pc /usr/lib/libicalvcal.so /usr/lib/libicalvcal.so.0 /usr/lib/libicalss.la /usr/lib/libicalss.so /usr/lib/libicalss.so.0 /usr/lib/libical.la /usr/lib/libical.so /usr/lib/libical.so.0 Please remove also .la if is not needed.
Fixed in -r1.