strtoumax: Avoid link error on OSF/1 with DTK cc.

[gnulib.git] / doc / posix-headers / wchar.texi

diff --git a/doc/posix-headers/wchar.texi b/doc/posix-headers/wchar.texi
index bdd8232..4fc867e 100644 (file)
--- a/doc/posix-headers/wchar.texi
+++ b/doc/posix-headers/wchar.texi
@@ -1,7 +1,7 @@
 @node wchar.h
 @section @file{wchar.h}
 
-POSIX specification: @url{http://www.opengroup.org/susv3xbd/wchar.h.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/basedefs/wchar.h.html}
 
 Gnulib module: wchar
 
@@ -16,8 +16,18 @@ OSF/1 with Desktop Toolkit C, BSD/OS 4.0.1.
 @item
 The type @code{wint_t} and macro @code{WEOF} are missing on some platforms:
 IRIX 5.3.
+
+@item
+Some platforms provide a @code{NULL} macro that cannot be used in arbitrary
+expressions:
+NetBSD 5.0
 @end itemize
 
 Portability problems not fixed by Gnulib:
 @itemize
+@item
+This header file leads to link errors and endless recursions or endless loops
+on some platforms:
+glibc version 2.5 or older, together with gcc version 4.3 or newer and the
+option @samp{-std=c99} or @samp{-std=gnu99}.
 @end itemize