Makefile.tpl: Error early unless at least GNU make 3.80.

	* Makefile.tpl <gcc>: Error early unless at least GNU make 3.80.
	* Makefile.in: Regenerate.

From-SVN: r134225

ChangeLog

+2008-04-12  Hans-Peter Nilsson  <hp@axis.com>
+
+	* Makefile.tpl <gcc>: Error early unless at least GNU make 3.80.
+	* Makefile.in: Regenerate.
+
 2008-04-11  Eric B. Weddington  <eweddington@cso.atmel.com>
 
 	* configure.ac: Do not build libssp for the AVR.

Makefile.in

@@ -20,6 +20,14 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 #
 
+# First, test for a proper version of make, but only where one is required.
+
+@if gcc
+ifeq (,$(.VARIABLES)) # The variable .VARIABLES, new with 3.80, is never empty.
+$(error GNU make version 3.80 or newer is required.)
+endif
+@endif gcc
+
 # -------------------------------
 # Standard Autoconf-set variables
 # -------------------------------

Makefile.tpl

@@ -23,6 +23,14 @@ in
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 #
 
+# First, test for a proper version of make, but only where one is required.
+
+@if gcc
+ifeq (,$(.VARIABLES)) # The variable .VARIABLES, new with 3.80, is never empty.
+$(error GNU make version 3.80 or newer is required.)
+endif
+@endif gcc
+
 # -------------------------------
 # Standard Autoconf-set variables
 # -------------------------------