(solved) I checked pkgsrc/net/nsd/Makefile again and `CPPFLAGS="-D_OPENBSD_SOURCE"` did the trick
.if ${OPSYS} == "NetBSD" # For reallocarray(3) CPPFLAGS+= -D_OPENBSD_SOURCE .endif
(solved) I checked pkgsrc/net/nsd/Makefile again and `CPPFLAGS="-D_OPENBSD_SOURCE"` did the trick
.if ${OPSYS} == "NetBSD" # For reallocarray(3) CPPFLAGS+= -D_OPENBSD_SOURCE .endif