add compile_flags (for clangd autocomplte)

Makefile

@@ -154,6 +154,7 @@ LDFLAGS = $(MCU) -specs=nano.specs -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BU
 
 # default action: build all
 all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
+	echo $(CFLAGS) | sed -E 's/ /\n/g' > compile_flags.txt
 
 
 #######################################

compile_flags.txt

@@ -0,0 +1,20 @@
+-mcpu=cortex-m0plus
+-mthumb
+-DUSE_HAL_DRIVER
+-DSTM32G0B1xx
+-IInc
+-IDrivers/STM32G0xx_HAL_Driver/Inc
+-IDrivers/STM32G0xx_HAL_Driver/Inc/Legacy
+-IDrivers/CMSIS/Device/ST/STM32G0xx/Include
+-IDrivers/CMSIS/Include
+-IDrivers/RTT/Config
+-IDrivers/RTT/RTT
+-Og
+-Wall
+-fdata-sections
+-ffunction-sections
+-g
+-gdwarf-2
+-MMD
+-MP
+-MFall