Improve submodule checking

Makefile

 #
-#   Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved.
+#   Copyright (c) 2012-2015 PX4 Development Team. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
@@ -161,7 +161,7 @@ $(foreach config,$(FMU_CONFIGS),$(eval $(call FMU_DEP,$(config))))
 #
 NUTTX_ARCHIVES		 = $(foreach board,$(BOARDS),$(ARCHIVE_DIR)$(board).export)
 .PHONY:			archives
-archives:		$(NUTTX_ARCHIVES)
+archives:		checksubmodules $(NUTTX_ARCHIVES)
 
 # We cannot build these parallel; note that we also force -j1 for the
 # sub-make invocations.
@@ -211,8 +211,7 @@ menuconfig:
 	@$(ECHO) ""
 endif
 
-$(NUTTX_SRC):
-	$(Q) ($(PX4_BASE)/Tools/check_submodules.sh)
+$(NUTTX_SRC): checksubmodules
 
 $(UAVCAN_DIR):
 	$(Q) (./Tools/check_submodules.sh)

Tools/check_submodules.sh

@@ -12,17 +12,16 @@ if [ -d NuttX/nuttx ];
 	if [ -z "$STATUSRETVAL" ]; then
 		echo "Checked NuttX submodule, correct version found"
 	else
+		echo ""
+		echo ""
+		echo "New commits required:"
+		echo "$(git submodule summary)"
 		echo ""
 		echo ""
 		echo "   NuttX sub repo not at correct version. Try 'git submodule update'"
 		echo "   or follow instructions on http://pixhawk.org/dev/git/submodules"
 		echo ""
 		echo "   DO NOT FORGET TO RUN 'make distclean && make archives' AFTER EACH NUTTX UPDATE!"
-		echo ""
-		echo ""
-		echo "New commits required:"
-		echo "$(git submodule summary)"
-		echo ""
 		exit 1
 	fi
 else
@@ -37,15 +36,14 @@ if [ -d mavlink/include/mavlink/v1.0 ];
 	if [ -z "$STATUSRETVAL" ]; then
 		echo "Checked mavlink submodule, correct version found"
 	else
-		echo ""
-		echo ""
-		echo "mavlink sub repo not at correct version. Try 'git submodule update'"
-		echo "or follow instructions on http://pixhawk.org/dev/git/submodules"
 		echo ""
 		echo ""
 		echo "New commits required:"
 		echo "$(git submodule summary)"
 		echo ""
+		echo ""
+		echo "mavlink sub repo not at correct version. Try 'git submodule update'"
+		echo "or follow instructions on http://pixhawk.org/dev/git/submodules"
 		exit 1
 	fi
 else
@@ -61,15 +59,58 @@ then
 	then
 		echo "Checked uavcan submodule, correct version found"
 	else
+		echo ""
+		echo ""
+		echo "New commits required:"
+		echo "$(git submodule summary)"
 		echo ""
 		echo ""
 		echo "uavcan sub repo not at correct version. Try 'git submodule update'"
 		echo "or follow instructions on http://pixhawk.org/dev/git/submodules"
+		exit 1
+	fi
+else
+	git submodule init;
+	git submodule update;
+fi
+
+if [ -d Tools/gencpp ]
+then
+	STATUSRETVAL=$(git submodule summary | grep -A20 -i gencpp | grep "<")
+	if [ -z "$STATUSRETVAL" ]
+	then
+		echo "Checked gencpp submodule, correct version found"
+	else
 		echo ""
 		echo ""
 		echo "New commits required:"
 		echo "$(git submodule summary)"
 		echo ""
+		echo ""
+		echo "gencpp sub repo not at correct version. Try 'git submodule update'"
+		echo "or follow instructions on http://pixhawk.org/dev/git/submodules"
+		exit 1
+	fi
+else
+	git submodule init;
+	git submodule update;
+fi
+
+if [ -d Tools/genmsg ]
+then
+	STATUSRETVAL=$(git submodule summary | grep -A20 -i genmsg | grep "<")
+	if [ -z "$STATUSRETVAL" ]
+	then
+		echo "Checked genmsg submodule, correct version found"
+	else
+		echo ""
+		echo ""
+		echo "New commits required:"
+		echo "$(git submodule summary)"
+		echo ""
+		echo ""
+		echo "genmsg sub repo not at correct version. Try 'git submodule update'"
+		echo "or follow instructions on http://pixhawk.org/dev/git/submodules"
 		exit 1
 	fi
 else