($m4): Do not assume that egrep and fgrep exist.

diff --git a/bin/autom4te.in b/bin/autom4te.in
index e00457ac745cbcd9af8627bbb99c3befdd70b36d..3d6eec6c2d6f012922376ddb7b5459b7414fe10a 100644 (file)
--- a/bin/autom4te.in
+++ b/bin/autom4te.in
@@ -279,7 +279,7 @@ my $freeze = 0;
 my $m4 = $ENV{"M4"} || '@M4@';
 # Some non-GNU m4's don't reject the --help option, so give them /dev/null.
 die "$me: need GNU m4 1.4 or later: $m4\n"
-  if system "$m4 --help </dev/null 2>&1 | fgrep reload-state >/dev/null";
+  if system "$m4 --help </dev/null 2>&1 | grep reload-state >/dev/null";
 
 # Set some high recursion limit as the default limit, 250, has already
 # been hit with AC_OUTPUT.  Don't override the user's choice.