export CROSS_COMPILE ?=/usr/bin/arm-none-eabi-

export CFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Dgcc -O0 -gdwarf-2 -g -fgnu89-inline -Wa,-mimplicit-it=thumb -Werror
export AFLAGS := -c -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -x assembler-with-cpp -Wa,-mimplicit-it=thumb  -gdwarf-2
export LFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Wl,--gc-sections,-Map=XiZi.map,-cref,-u,Reset_Handler -T $(BSP_ROOT)/link.lds
export CXXFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Dgcc -O0 -gdwarf-2 -g

ifeq ($(CONFIG_LIB_MUSLLIB), y)
export LFLAGS += -nostdlib -nostdinc -fno-builtin -nodefaultlibs
export LIBCC := -lgcc
export LINK_MUSLLIB := $(KERNEL_ROOT)/lib/musllib/libmusl.a
endif

ifeq ($(CONFIG_RESOURCES_LWIP), y)
export LINK_LWIP := $(KERNEL_ROOT)/resources/ethernet/LwIP/liblwip.a
endif

export APPLFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Wl,--gc-sections,-Map=XiZi-app.map,-cref,-u, -T $(BSP_ROOT)/link_userspace.lds

export DEFINES := -DHAVE_CCONFIG_H  -DSTM32F407xx -DUSE_HAL_DRIVER -DHAVE_SIGINFO

export USING_NEWLIB =1
export USING_VFS = 1
export USING_SPI = 1
export ARCH = arm

export USING_LORA = 1