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-rw-r--r--ports/stm32/Makefile3
1 files changed, 2 insertions, 1 deletions
diff --git a/ports/stm32/Makefile b/ports/stm32/Makefile
index d0b90c761..40560b842 100644
--- a/ports/stm32/Makefile
+++ b/ports/stm32/Makefile
@@ -42,7 +42,8 @@ OPENOCD ?= openocd
OPENOCD_CONFIG ?= boards/openocd_stm32f4.cfg
STARTUP_FILE ?= boards/startup_stm32$(MCU_SERIES).o
-CROSS_COMPILE = arm-none-eabi-
+# Select the cross compile prefix
+CROSS_COMPILE ?= arm-none-eabi-
INC += -I.
INC += -I$(TOP)