rename GCC_CFLAGS to CFLAGS_GCC, GCC_SRC_S to SRC_S_GCC etc ..

hw/bsp/stm32f0/boards/stm32f070rbnucleo/board.mk

@@ -1,12 +1,7 @@
 CFLAGS += -DSTM32F070xB -DCFG_EXAMPLE_VIDEO_READONLY
 
-# GCC
-GCC_SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f070xb.s
-GCC_LD_FILE = $(BOARD_PATH)/stm32F070rbtx_flash.ld
-
-# IAR
-IAR_SRC_S += $(ST_CMSIS)/Source/Templates/iar/startup_stm32f070xb.s
-IAR_LD_FILE = $(ST_CMSIS)/Source/Templates/iar/linker/stm32f070xb_flash.icf
+# Linker
+LD_FILE_GCC = $(BOARD_PATH)/stm32F070rbtx_flash.ld
 
 # For flash-jlink target
 JLINK_DEVICE = stm32f070rb

hw/bsp/stm32f0/boards/stm32f072disco/board.mk

@@ -1,10 +1,9 @@
+MCU_VARIANT = stm32f072xb
+
 CFLAGS += -DSTM32F072xB -DCFG_EXAMPLE_VIDEO_READONLY
 
-GCC_SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f072xb.s
-GCC_LD_FILE = $(BOARD_PATH)/STM32F072RBTx_FLASH.ld
-
-IAR_SRC_S += $(ST_CMSIS)/Source/Templates/iar/startup_stm32f072xb.s
-IAR_LD_FILE = $(ST_CMSIS)/Source/Templates/iar/linker/stm32f072xb_flash.icf
+# Linker
+LD_FILE_GCC = $(BOARD_PATH)/STM32F072RBTx_FLASH.ld
 
 # For flash-jlink target
 JLINK_DEVICE = stm32f072rb

hw/bsp/stm32f0/boards/stm32f072eval/board.mk

@@ -1,10 +1,10 @@
 CFLAGS += -DSTM32F072xB -DLSI_VALUE=40000 -DCFG_EXAMPLE_VIDEO_READONLY
 
-GCC_SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f072xb.s
-GCC_LD_FILE = $(BOARD_PATH)/STM32F072VBTx_FLASH.ld
+SRC_S_GCC += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f072xb.s
+LD_FILE_GCC = $(BOARD_PATH)/STM32F072VBTx_FLASH.ld
 
-IAR_SRC_S += $(ST_CMSIS)/Source/Templates/iar/startup_stm32f072xb.s
-IAR_LD_FILE = $(ST_CMSIS)/Source/Templates/iar/linker/stm32f072xb_flash.icf
+SRC_S_IAR += $(ST_CMSIS)/Source/Templates/iar/startup_stm32f072xb.s
+LD_FILE_IAR = $(ST_CMSIS)/Source/Templates/iar/linker/stm32f072xb_flash.icf
 
 # For flash-jlink target
 JLINK_DEVICE = stm32f072vb

hw/bsp/stm32f0/family.mk

@@ -16,12 +16,12 @@ CFLAGS += \
   -DCFG_TUSB_MCU=OPT_MCU_STM32F0
 
 # GCC Flags
-GCC_CFLAGS += \
+CFLAGS_GCC += \
   -flto \
   -nostdlib -nostartfiles \
 
 # suppress warning caused by vendor mcu driver
-GCC_CFLAGS += -Wno-error=unused-parameter -Wno-error=cast-align
+CFLAGS_GCC += -Wno-error=unused-parameter -Wno-error=cast-align
 
 # ------------------------
 # All source paths should be relative to the top level.
@@ -44,3 +44,10 @@ INC += \
   $(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
   $(TOP)/$(ST_CMSIS)/Include \
   $(TOP)/$(ST_HAL_DRIVER)/Inc
+
+# Startup
+SRC_S_GCC += $(ST_CMSIS)/Source/Templates/gcc/startup_$(MCU_VARIANT).s
+SRC_S_IAR += $(ST_CMSIS)/Source/Templates/iar/startup_$(MCU_VARIANT).s
+
+# Linker
+LD_FILE_IAR = $(ST_CMSIS)/Source/Templates/iar/linker/$(MCU_VARIANT)_flash.icf