Support old Autoconf versions.

	* bootstrap: Have m4/gnulib.m4 invoke gl_COMMON to ensure a
	definition of AS_VAR_IF is available.

ChangeLog

+2010-05-27  Roland Levillain  <roland@lrde.epita.fr>
+
+	Support old Autoconf versions.
+
+	* bootstrap: Have m4/gnulib.m4 invoke gl_COMMON to ensure a
+	definition of AS_VAR_IF is available.
+
 2009-11-10  Roland Levillain  <roland@lrde.epita.fr>
 
 	Update bootstrap w.r.t. Gnulib.

bootstrap

@@ -217,6 +217,11 @@ echo "$0: Creating m4/gnulib.m4"
 (echo "# This file is generated automatically. Please, do not edit."
     echo "#"
     echo "AC_DEFUN([nolimips_GNULIB],["
+    echo "# Invoke gl_COMMON to force aclocal to include m4/gnulib-common.m4"
+    echo "# in aclocal.m4, so as to benefit from Gnulib's AS_VAR_IF fallback"
+    echo "# definition when using an old Autoconf."
+    echo "gl_COMMON"
+    echo
     for gnulib_module in $gnulib_modules; do
 	echo "# $gnulib_module"
 	$GNULIB_SRCDIR/gnulib-tool \