Gentoo's Bugzilla –
Attachment 766893 Details for
Bug 835017net-fs/samba-4.15.5-r1 - ../../nsswitch/wins.c: In function '_nss_wins_gethostbyname_r': ../../nsswitch/wins.c:275:29: error: 'NETDB_INTERNAL' undeclared (first use in this function) (on musl)