Updated the Debian build system thanks to Ian Jackson for the

help.

gpio/Makefile

@@ -49,7 +49,7 @@ OBJ	=	$(SRC:.c=.o)
 all:		gpio
 
 version.h:	../VERSION
-	./newVersion
+	$Q echo Need to run newVersion above.
 
 gpio:	$(OBJ)
 	$Q echo [Link]
@@ -97,3 +97,5 @@ depend:
 	makedepend -Y $(SRC)
 
 # DO NOT DELETE
+
+gpio.o: version.h

gpio/gpio.c

@@ -1194,6 +1194,17 @@ int main (int argc, char *argv [])
       printf ("Raspberry Pi Details:\n") ;
       printf ("  Type: %s, Revision: %s, Memory: %dMB, Maker: %s %s\n", 
 	  piModelNames [model], piRevisionNames [rev], mem, piMakerNames [maker], overVolted ? "[OV]" : "") ;
+
+// Quick check for /dev/gpiomem
+
+      if ((i = open ("/dev/gpiomem", O_RDWR | O_SYNC | O_CLOEXEC) ) >= 0)
+	printf ("  This Raspberry Pi supports user-level GPIO access via /dev/gpiomem.\n") ;
+      else
+      {
+	printf ("  You need to run your programs as root for GPIO access\n") ;
+	printf ("  (Old /dev/mem method - consider upgrading)\n") ;
+      }
+      
     }
     return 0 ;
   }

gpio/newVersion

@@ -1,26 +0,0 @@
-#!/bin/sh -e
-#
-# newVersion:
-#	Utility to create the version.h include file for the gpio command.
-#
-#	Copyright (c) 2012-2015 Gordon Henderson
-#################################################################################
-# This file is part of wiringPi:
-#	Wiring Compatable library for the Raspberry Pi
-#
-#    wiringPi is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU Lesser General Public License as published by
-#    the Free Software Foundation, either version 3 of the License, or
-#    (at your option) any later version.
-#
-#    wiringPi is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU Lesser General Public License for more details.
-#
-#    You should have received a copy of the GNU Lesser General Public License
-#    along with wiringPi.  If not, see <http://www.gnu.org/licenses/>.
-#################################################################################
-
-rm -f version.h
-echo "#define VERSION \"`cat ../VERSION`\"" > version.h

gpio/version.h

@@ -1 +1 @@
-#define VERSION "2.26"
+#define VERSION "2.27"