adds first version of cmake

env/common-gcc.mk

@@ -16,6 +16,7 @@ BOARD?=iss
 
 ASM_SRCS += $(ENV_DIR)/start.S $(ENV_DIR)/entry.S
 C_SRCS   += $(PLATFORM_DIR)/init.c
+C_SRCS   += $(PLATFORM_DIR)/write.c
 
 LINKER_SCRIPT ?= $(PLATFORM_DIR)/$(LINK_TARGET).lds
 
@@ -23,6 +24,7 @@ INCLUDES += -I$(BSP_BASE)/include
 INCLUDES += -I$(BSP_BASE)/drivers/
 INCLUDES += -I$(ENV_DIR)
 INCLUDES += -I$(PLATFORM_DIR)
+INCLUDES += -I$(BSP_BASE)/libwrap/sys/
 
 LDFLAGS += -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI)
 LDFLAGS += -L$(ENV_DIR)