* doc/posix-headers/stddef.texi: Document the NULL issue with AIX xlc.
+2019-12-12 Bruno Haible <bruno@clisp.org>
+
+ stddef: Document the AIX xlc issue.
+ * doc/posix-headers/stddef.texi: Document the NULL issue with AIX xlc.
+
2019-12-12 Bruno Haible <bruno@clisp.org>
duplocale: Don't attempt to override if locale_t does not exist.
Some platforms provide a @code{NULL} macro that cannot be used in arbitrary
expressions:
NetBSD 5.0
+
+@item
+Some platforms provide a @code{NULL} macro whose value does not have the size
+of a pointer:
+AIX 7.2 with xlc in 64-bit mode.
@end itemize
Portability problems not fixed by Gnulib: