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-rw-r--r--tools/stm32image/Makefile5
1 files changed, 2 insertions, 3 deletions
diff --git a/tools/stm32image/Makefile b/tools/stm32image/Makefile
index 80dfbecf..a593d316 100644
--- a/tools/stm32image/Makefile
+++ b/tools/stm32image/Makefile
@@ -12,8 +12,7 @@ PROJECT := stm32image${BIN_EXT}
OBJECTS := stm32image.o
V := 0
-override CPPFLAGS += -D_GNU_SOURCE
-CFLAGS := -Wall -Werror -pedantic -std=c99
+CFLAGS := -Wall -Werror -pedantic -std=c99 -D_GNU_SOURCE
ifeq (${DEBUG},1)
CFLAGS += -g -O0 -DDEBUG
else
@@ -39,7 +38,7 @@ ${PROJECT}: ${OBJECTS} Makefile
@echo "Built $@ successfully"
@${ECHO_BLANK_LINE}
-%.o: %.c %.h Makefile
+%.o: %.c Makefile
@echo " CC $<"
${Q}${CC} -c ${CFLAGS} $< -o $@