Fix detection of host system for native builds.

Simplify vesp.ctrl to get succesfull 'make test'

configure.ac

@@ -2,9 +2,9 @@ AC_INIT(dt_ctrl, git)
 
 AC_SUBST(HOSTSYS,["$ac_cv_env_host_alias_value"])
 AC_SUBST(BUILDSYS,["$ac_cv_env_build_alias_value"])
-AS_IF([test "$ac_cv_env_host_alias_value" == ""],[HOSTSYS=`uname -m`],[])
+AS_IF([test "$HOSTSYS" == ""],[HOSTSYS_TMP=`uname -m`],[HOSTSYS_TMP="$HOSTSYS"])
 
-AS_IF([echo "$HOSTSYS" | grep "arm"],[HAVE_ARM=1],[HAVE_ARM=0])
+AS_IF([echo "$HOSTSYS_TMP" | grep "arm"],[HAVE_ARM=1],[HAVE_ARM=0])
 
 #######################################################################
 #

controller/vesp/vesp.ctrl

@@ -5,23 +5,23 @@ trigger {
 
 blocks (100.0, 0.0) {
 	{ "vesp_sim", "vespsim" }
-	{ "vesp_sensor_co", "co_sensor", "vespsim", 42 }
+#	{ "vesp_sensor_co", "co_sensor", "vespsim", 42 }
 
 	{ "test_output_bool",   "operational"   }
-	{ "test_output_float",  "co_sensor_ppm" }
+#	{ "test_output_float",  "co_sensor_ppm" }
 }
 
 links {
 	{ "vespsim", "operational", "operational", "value",   true }
-	{ "co_sensor", "ppm",       "co_sensor_ppm", "value", true }
+#	{ "co_sensor", "ppm",       "co_sensor_ppm", "value", true }
 }
 
 
 params {
 	{ "operational", "value", 4, (int) { true, true, true, true } }
 
-	{ "co_sensor_ppm", "value", 4,
-	    (float){ 0.0, 0.0, 0.0, 0.0 },
-	    (float){ 0.0, 0.0, 0.0, 0.0 }
-	}
+#	{ "co_sensor_ppm", "value", 4,
+#	    (float){ 0.0, 0.0, 0.0, 0.0 },
+#	    (float){ 0.0, 0.0, 0.0, 0.0 }
+#	}
 }