@item
The function @code{getopt_long_only} does not support options with
optional arguments on some platforms:
-MacOS X 10.5, OpenBSD 4.0, AIX 5.2, Solaris 10, Cygwin 1.5.x.
+MacOS X 10.5, OpenBSD 4.0, AIX 5.2, Solaris 11 2010-11, Cygwin 1.5.x.
@item
This function is missing on some platforms:
-MacOS X 10.3, FreeBSD 5.2.1, NetBSD 3.0, AIX 5.1, HP-UX 11, IRIX 6.5,
-OSF/1 5.1, mingw, Interix 3.5.
+MacOS X 10.3, FreeBSD 5.2.1, NetBSD 5.0, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5,
+OSF/1 5.1, mingw, MSVC 9, Interix 3.5.
+@item
+This function crashes if the option string includes @code{W;} but
+there are no long options, on some platforms:
+glibc 2.14.
@end itemize
Portability problems not fixed by Gnulib: