Radix cross Linux

Index: Makefile
===================================================================
--- Makefile	(nonexistent)
+++ Makefile	(revision 411)
@@ -0,0 +1,63 @@
+
+COMPONENT_TARGETS  = $(HARDWARE_LONGAN_NANO)
+
+include ../../../build-system/constants.mk
+
+# ======= __END_OF_REQUIRES__ =======
+
+sources  = src
+
+SRC_DIR  = $(TARGET_BUILD_DIR)/src
+src_done = $(TARGET_BUILD_DIR)/.source_done
+
+led_target     = $(TARGET_BUILD_DIR)/led.bin
+display_target = $(TARGET_BUILD_DIR)/display.bin
+
+info_target = $(TARGET_BUILD_DIR)/.info-done
+
+USE_TARGET_DEST_DIR_SYSROOT = no
+
+ifeq ($(HARDWARE),$(HARDWARE_LONGAN_NANO))
+OPTIMIZATION_FLAGS  = -O0
+ARCH_FLAGS := -march=rv32imac_zicsr -mabi=ilp32 -mcmodel=medlow
+endif
+
+BUILD_TARGETS = $(led_target) $(display_target) $(info_target)
+
+
+include ../../../build-system/core.mk
+
+
+ifeq ($(HARDWARE),$(HARDWARE_LONGAN_NANO))
+CFLAGS  += -Wall -fmessage-length=0 --specs=nosys.specs
+LDFLAGS += -Wall $(ARCH_FLAGS) -Wl,--no-relax -Wl,--gc-sections -nostdlib -nostartfiles -lc -lgcc --specs=nosys.specs
+endif
+
+$(src_done): $(sources)
+	@cp -a $^ $(TARGET_BUILD_DIR)/
+	@touch $@
+
+$(led_target): $(src_done)
+	@( cd $(SRC_DIR)/hello_led/ ; $(BUILD_ENVIRONMENT) $(MAKE) )
+	@cp -a $(SRC_DIR)/hello_led/main.bin $@
+	@touch $@
+
+$(display_target): $(src_done)
+	@( cd $(SRC_DIR)/hello_display/ ; $(BUILD_ENVIRONMENT) $(MAKE) )
+	@cp -a $(SRC_DIR)/hello_display/main.bin $@
+	@touch $@
+
+$(info_target): $(led_target) $(display_target)
+	@echo "==================================="
+	@echo "======= Build Info:         ======="
+	@echo "==================================="
+	@echo "======= CC = '$(CC)'"
+	@echo "======= CFLAGS = '$(CFLAGS)'"
+	@echo "======= LDFLAGS = '$(LDFLAGS)'"
+	@echo "======= ARCH_FLAGS = '$(ARCH_FLAGS)'"
+	@echo ""
+	@echo "#"
+	@echo "# Please find images: `basename $(led_target)`, `basename $(display_target)` in the $(TARGET_BUILD_DIR)/ directory."
+	@echo "#"
+	@echo ""
+	@touch $@