From b0873cb6577a83a3db8ca59b381ec0ae266a7b15 Mon Sep 17 00:00:00 2001
From: Fabian Keil <fk@fabiankeil.de>
Date: Thu, 19 Aug 2010 15:50:32 +0200
Subject: If the m4 version isn't recognized at all, just say so

'm4 version  found. You need a GNU m4 installed!' is a bit confusing.
---
 buildconf | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'buildconf')

diff --git a/buildconf b/buildconf
index 2b62afd50..10eed4c5d 100755
--- a/buildconf
+++ b/buildconf
@@ -254,7 +254,11 @@ m4_version=`echo $m4 | sed -e 's/^.* \([0-9]\)/\1/' -e 's/[a-z]* *$//'`
 if { echo $m4 | grep "GNU" >/dev/null 2>&1; } then
   echo "buildconf: GNU m4 version $m4_version (ok)"
 else
-  echo "buildconf: m4 version $m4 found. You need a GNU m4 installed!"
+  if test -z "$m4"; then
+    echo "buildconf: m4 version not recognized. You need a GNU m4 installed!"
+  else
+    echo "buildconf: m4 version $m4 found. You need a GNU m4 installed!"
+  fi
   exit 1
 fi
 
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