[CONFIG] Added a top-level Makefile to compile configured BSP.

Makefile

@@ -0,0 +1,42 @@
+#
+#	BitThunder Top-Level Makefile
+#
+
+MAKEFLAGS += -rR --no-print-directory
+
+-include .config
+
+Q=@
+
+all:
+
+ifeq ($(BT_CONFIG_CONFIGURED),y)
+ifeq ($(BT_CONFIG_BSP_DIR),)
+	$(Q)echo "BSP has not configured BT_CONFIG_BSP_DIR"
+else
+all: scripts/kconfig/mkconfig
+	$(Q)echo " Building BitThunder for $(BT_CONFIG_BSP_NAME)"
+	$(Q)$(MAKE) -C $(BT_CONFIG_BSP_DIR)
+endif
+else
+all:
+	$(Q)make .config
+endif
+
+
+menuconfig: scripts/kconfig/mkconfig
+	$(Q)CONFIG_=BT_CONFIG_ kconfig-mconf Kconfig
+	$(Q)scripts/kconfig/mkconfig ./ > $(BT_CONFIG_BSP_DIR)/bt_bsp_config.h
+	$(Q)cp .config $(BT_CONFIG_BSP_DIR)/.config
+
+
+scripts/kconfig/mkconfig: scripts/kconfig/mkconfig.c
+	$(Q)gcc scripts/kconfig/mkconfig.c scripts/kconfig/cfgparser.c scripts/kconfig/cfgdefine.c -o scripts/kconfig/mkconfig
+
+ifneq ($(BT_CONFIG_BSP_DIR),)
+clean:
+	$(Q)echo " Cleaning $(BT_CONFIG_BSP_NAME) Board Support Package"
+	$(Q)$(MAKE) -C $(BT_CONFIG_BSP_DIR) clean
+endif
+
+.PHONY: menuconfig