Checkpoint: application framework makefile done

makefiles/nuttx.mk

@@ -0,0 +1,40 @@
+#
+# Rules and definitions related to handling the NuttX export archives when
+# building firmware.
+#
+
+#
+# Check that the NuttX archive for the selected board is available.
+#
+NUTTX_ARCHIVE		:= $(wildcard $(ARCHIVE_DIR)/$(BOARD).export)
+ifeq ($(NUTTX_ARCHIVE),)
+$(error The NuttX export archive for $(BOARD) is missing from $(ARCHIVE_DIR) - try 'make archives' in $(PX4_BASE))
+endif
+
+#
+# The NuttX config header should always be present in the NuttX archive, and
+# if it changes, everything should be rebuilt. So, use it as the trigger to
+# unpack the NuttX archive.
+#
+NUTTX_EXPORT_DIR	 = $(WORK_DIR)/nuttx-export
+NUTTX_CONFIG_HEADER	 = $(NUTTX_EXPORT_DIR)/include/nuttx/config.h
+GLOBAL_DEPS		+= $(NUTTX_CONFIG_HEADER)
+
+#
+# Use the linker script from the NuttX export
+#
+LDSCRIPT		 = $(NUTTX_EXPORT_DIR)/build/ld.script
+
+#
+# Add directories from the NuttX export to the relevant search paths
+#
+INCLUDE_DIRS		+= $(NUTTX_EXPORT_DIR)/include
+LIB_DIRS		+= $(NUTTX_EXPORT_DIR)/libs
+LIBS			+= -lapps -lnuttx
+LINK_DEPS		+= $(NUTTX_EXPORT_DIR)/libs/libapps.a \
+			   $(NUTTX_EXPORT_DIR)/libs/libnuttx.a
+
+$(NUTTX_CONFIG_HEADER):	$(NUTTX_ARCHIVE)
+	@echo %% Unpacking $(NUTTX_ARCHIVE)
+	$(Q) unzip -q -o -d $(WORK_DIR) $(NUTTX_ARCHIVE)
+	$(Q) touch $@