diff --git a/docs/user/installing.rst b/docs/user/installing.rst
index a1576ada..4d505620 100644
--- a/docs/user/installing.rst
+++ b/docs/user/installing.rst
@@ -69,6 +69,13 @@ Now build *microblx*:
 	  $ make
 	  $ sudo make install
 
+note: it might be necessary to build with
+
+.. code:: bash
+
+ 		$ make CXXFLAGS="-std=c++11"
+
+to compile the cppdemo.cpp 
 
 Using yocto
 -----------
diff --git a/std_blocks/cppdemo/cppdemo.cpp b/std_blocks/cppdemo/cppdemo.cpp
index 481abd57..f77d90ae 100644
--- a/std_blocks/cppdemo/cppdemo.cpp
+++ b/std_blocks/cppdemo/cppdemo.cpp
@@ -18,13 +18,19 @@ char cppdemo_meta[] =
     "}";
 
 ubx_proto_config_t cppdemo_config[] = {
-    { .name="test_conf", .type_name="double", .doc="a test config value" },
+    { .name="test_conf", 
+			.type_name="double",  
+			.attrs=0,
+	 		.min=0,
+	 		.max=0, 
+			.doc="a test config value"
+ },
     { 0 },
 };
 
-ubx_proto_port_t cppdemo_ports[] = {
-    { .name="foo", .in_type_name="unsigned int", .doc="Out port writing foo unsigned ints" },
-    { .name="bar", .out_type_name="unsigned int", .doc="In port reading bar unsigned ints" },
+ubx_proto_port_t cppdemo_ports[] = {// filled in also unused fields to make compatible with g++
+    { name:"foo",attrs:0, out_type_name:"", out_data_len:0, in_type_name:"unsigned int",in_data_len:0, doc:"Out port writing foo unsigned ints" },
+    { name:"bar",attrs:0, out_type_name:"unsigned int", out_data_len:0,in_type_name:"",in_data_len:0,  doc:"In port reading bar unsigned ints" },
     { 0 },
 };
 
@@ -62,13 +68,15 @@ ubx_proto_block_t cppdemo_comp =
 {
     .name = "cppdemo",
     .meta_data = cppdemo_meta,
+		.attrs = 0,
     .type = BLOCK_TYPE_COMPUTATION,
     .configs = cppdemo_config,
+		.ports = NULL, // fill in to make compatible with g++
     .init = cppdemo_init,
     .start = cppdemo_start,
     .stop = cppdemo_stop,
-    .cleanup = cppdemo_cleanup,
-    .step = cppdemo_step,
+    .cleanup = cppdemo_cleanup,{
+    .step = cppdemo_step,}
 };
 
 static int cppdemo_init(ubx_node_t* nd)
diff --git a/std_blocks/trig/ptrig.c b/std_blocks/trig/ptrig.c
index 193a12bd..50b55a63 100644
--- a/std_blocks/trig/ptrig.c
+++ b/std_blocks/trig/ptrig.c
@@ -88,7 +88,7 @@ const char* schedpol_tostr(unsigned int schedpol)
 	case SCHED_RR: return "SCHED_RR";
 	case SCHED_IDLE: return "SCHED_IDLE";
 	case SCHED_BATCH: return "SCHED_BATCH";
-	case SCHED_DEADLINE: return "SCHED_BATCH";
+	//case SCHED_DEADLINE: return "SCHED_BATCH";
 	default:
 		return "unkown";
 	}