Mark some packages as not usable on non-MMU systems

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/gpsd/Config.in

@@ -1,5 +1,7 @@
 config BR2_PACKAGE_GPSD
 	bool "gpsd"
+	# Uses fork()
+	depends on BR2_USE_MMU
 	help
 	  gpsd is a service daemon that monitors one or more GPSes or AIS
 	  receivers attached to a host computer through serial or USB ports,

package/input-event-daemon/Config.in

@@ -1,5 +1,7 @@
 config BR2_PACKAGE_INPUT_EVENT_DAEMON
 	bool "input-event-daemon"
+	# Uses fork()
+	depends on BR2_USE_MMU
 	help
 	  input-event-daemon is a daemon which executes
 	  a user-defined command on input events, such as

package/kbd/Config.in

@@ -2,6 +2,8 @@ config BR2_PACKAGE_KBD
 	bool "kbd"
 	select BR2_PACKAGE_GETTEXT if BR2_NEEDS_GETTEXT_IF_LOCALE
 	select BR2_PACKAGE_LIBINTL if BR2_NEEDS_GETTEXT_IF_LOCALE
+	# Uses fork()
+	depends on BR2_USE_MMU
 	help
 	  Keytable files and keyboard utilities.
 

package/setserial/Config.in

@@ -1,4 +1,6 @@
 config BR2_PACKAGE_SETSERIAL
 	bool "setserial"
+	# Uses fork()
+	depends on BR2_USE_MMU
 	help
 	     Setserial : configuration of serial ports

package/sysstat/Config.in

@@ -2,6 +2,8 @@ config BR2_PACKAGE_SYSSTAT
 	bool "sysstat"
 	select BR2_PACKAGE_GETTEXT if BR2_NEEDS_GETTEXT_IF_LOCALE
 	select BR2_PACKAGE_LIBINTL if BR2_NEEDS_GETTEXT_IF_LOCALE
+	# Uses fork()
+	depends on BR2_USE_MMU
 	help
           The sysstat utilities are a collection of performance
           monitoring tools for Linux. These include sar, sadf, mpstat,