Portability problems fixed by Gnulib:
@itemize
-The @code{HOST_NAME_MAX} macro is not defined on some platforms:
+@item The @code{HOST_NAME_MAX} macro is not defined on some platforms:
MacOS X 10.3, FreeBSD 6.0, NetBSD 3.0, OpenBSD 3.8, AIX 5.1, HP-UX 11,
IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin 1.5.x, mingw, Interix 3.5, BeOS.
@end itemize