=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Fetching gtkmm-4.2.0.tar.xz
=> Total size: 13850496 bytes
=> Checksum SHA1 OK for gtkmm-4.2.0.tar.xz
=> Checksum RMD160 OK for gtkmm-4.2.0.tar.xz
=> Checksum SHA512 OK for gtkmm-4.2.0.tar.xz