From e4912e3594c9211c8a147f1dcd4eeaf3b0095ed0 Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Mon, 29 Mar 1999 20:26:32 +0000
Subject: [PATCH] Prefer `gm4' over `m4' (due to BSD et al.).

---
 configure.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.in b/configure.in
index d945a8f1..2cf123a4 100644
--- a/configure.in
+++ b/configure.in
@@ -98,7 +98,7 @@ AC_PROG_INSTALL
 AC_PROG_RANLIB
 AC_CHECK_PROG(FLEX, flex, flex)
 AC_CHECK_PROG(BISON, bison, bison)
-AC_CHECK_PROG(M4, m4, m4)
+AC_CHECK_PROGS(M4, gm4 m4, m4)
 if test -z "$FLEX" -o -z "$BISON" -o -z "$M4" ; then
 	AC_MSG_ERROR([Some tools required for building BIRD are missing.])
 	fi