getopt-gnu: avoid crash in glibc getopt

[pspp] / doc / posix-functions / perror.texi

diff --git a/doc/posix-functions/perror.texi b/doc/posix-functions/perror.texi
index 13231e95ea74eba09ef5f46ea0b22a8ca3d5f3fc..0459abd40207f9f7a7486c61d1db6fafeea40d43 100644 (file)
--- a/doc/posix-functions/perror.texi
+++ b/doc/posix-functions/perror.texi
@@ -15,7 +15,14 @@ OpenBSD 4.0, OSF/1 5.1, Cygwin 1.5.x, mingw.
 @item
 This function treats @code{errno} of 0 like failure, although POSIX
 requires that the message declare it as a success, on some platforms:
-FreeBSD 8.2
+FreeBSD 8.2, OpenBSD 4.7, MacOS X 10.5.
+@item
+This function clobbers the @code{strerror} buffer on some platforms:
+Cygwin 1.7.9.
+@item
+This function fails to print a useful a string for out-of-range integers on
+some platforms:
+HP-UX 11, IRIX 6.5, Solaris 8.
 @end itemize
 
 Portability problems not fixed by Gnulib: