fake:

package/base/dietlibc/dietlibc.conf

@@ -56,8 +56,8 @@ EOT
 			cp -v bin-*/diet-dyn-i $toolsbin/diet-dyn || true
 		fi
 
-		eval "$MAKE MYARCH=$cpu $makeopt CROSS=$archprefix"
-		eval "$MAKE MYARCH=$cpu $makeinstopt"
+		eval "$MAKE ARCH=$cpu $makeopt CROSS=$archprefix"
+		eval "$MAKE ARCH=$cpu $makeinstopt"
 	fi
 
 	if [ -d $root/$prefix/dietlibc/lib-ppc ] ; then