Mention Tru64 5.1 fgrep limitation with emtpy patterns.

* doc/autoconf.texi (Limitations of Usual Tools): Update.

Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

diff --git a/ChangeLog b/ChangeLog
index ca624d3e7d86f85d25b7e92e61e3032500d525fd..df492a02fa148ba506b905e4c2317fa3930a5e08 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2010-06-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
+       Mention Tru64 5.1 fgrep limitation with emtpy patterns.
+       * doc/autoconf.texi (Limitations of Usual Tools): Update.
+
        Overhaul the manual, esp. the Autotest chapter.
        * doc/autoconf.texi (Installation Directory Variables):
        Replace some uses of @var with @code.

diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 8d2e9526d265429ca81b449fe1757e50609b435c..c2772fe4040bb82692451f56d0faf5d75bae751c 100644 (file)
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -17809,6 +17809,8 @@ replacement @code{grep -F}.  Also, some traditional implementations do
 not work on long input lines.  To work around these problems, invoke
 @code{AC_PROG_FGREP} and then use @code{$FGREP}.
 
+Tru64/OSF 5.1 @command{fgrep} does not match an empty pattern.
+
 
 @item @command{find}
 @c -----------------