Version 2.3.0

This is a production release with changes to the build system.

$ sha512sum bc-2.3.0.tar.xz
3d2f317e332a152cd2380c779ae053e06eaf831d9d811db68d6f586987c1e83a23e5e66d0669d0debd945ce4e3ba91ce62b4fbb23a681db00f011e194e1615c2  bc-2.3.0.tar.xz

$ sha256sum bc-2.3.0.tar.xz
da58dc057172e623d0c405875dbabfc2a483542ef9a0fd9d0029f06f74e9c6c8  bc-2.3.0.tar.xz

$ stat -c '%s  %n'
161484  bc-2.3.0.tar.xz

$ sha512sum bc-2.3.0.tar.xz.sig
bcdf7ca8425e6fb700e997df53fec188e05946d80d6f64e1945d369582255978df85f3e0e97576bbad427054a097335c28485e3106818733eb3cdfbe98d1fcaa  bc-2.3.0.tar.xz.sig

$ sha256sum bc-2.3.0.tar.xz.sig
d0b9c8c0ee6cbb843054795f6ff1e62070492b9b4d78b5f4b7229bbfc21888f9  bc-2.3.0.tar.xz.sig

$ stat -c '%s  %n'
662  bc-2.3.0.tar.xz.sig