+ case "$osvers" in
+ # 500016 is the first osreldate in which one could
+ # just link against libc_r without disposing of libc
+ # at the same time. 500016 ... up to whatever it was
+ # on the 31st of August 2003 can still be used with -pthread,
+ # but it is not necessary.
+ 5.*) if [ `/sbin/sysctl -n kern.osreldate` -lt 500016 ]; then
+ ldflags="-pthread $ldflags"
+ fi
+ ;;
+ *) ldflags="-pthread $ldflags"
+ ;;
+ esac
+ # Both in 4.x and 5.x gethostbyaddr_r exists but
+ # it is "Temporary function, not threadsafe"...
+ # Presumably earlier it didn't even exist.
+ d_gethostbyaddr_r="undef"
+ d_gethostbyaddr_r_proto="0"