dev-libs/libatomic_ops-7.2d installs only static libs, it does not install any shared, having it in RDEPEND is pointless. $ equery f dev-libs/libatomic_ops|grep /lib64/ /usr/lib64/libatomic_ops.a /usr/lib64/libatomic_ops_gpl.a /usr/lib64/pkgconfig /usr/lib64/pkgconfig/atomic_ops.pc
Fixed, thanks!