OpenBSD and traditional `grep' failure to handle multiple
patterns separated by newlines.
+2006-03-11 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * doc/autoconf.texi (Limitations of Usual Tools): Document
+ OpenBSD and traditional `grep' failure to handle multiple
+ patterns separated by newlines.
+
2006-03-10 Romain Lenglet <rlenglet@users.forge.objectweb.org>
* doc/autoconf.texi (several sections): Add documentation for macros
bar' in.txt
@end example
+@noindent
+except that this will fail with traditional @command{grep}
+implementations and with Open@acronym{BSD} 3.8 @command{grep}.
+
Traditional @command{grep} implementations (e.g., Solaris) do not
support the @option{-E} or @samp{-F} options. To work around these
problems, invoke @code{AC_PROG_EGREP} and then use @code{$EGREP}, and