xiaoxiang781216 commented on a change in pull request #5553:
URL: https://github.com/apache/incubator-nuttx/pull/5553#discussion_r810642486
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File path: boards/arm/stm32/stm32f4discovery/scripts/Make.defs
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@@ -34,18 +34,18 @@ ifneq ($(CONFIG_DEBUG_NOOPT),y)
ARCHOPTIMIZATION += $(MAXOPTIMIZATION) -fno-strict-aliasing
endif
-ARCHCFLAGS = -fno-builtin
-ARCHCXXFLAGS = -fno-builtin -fno-exceptions -fcheck-new
+ARCHCFLAGS = -fno-common -fno-builtin
+ARCHCXXFLAGS = -fno-common -fno-builtin -fno-exceptions -fcheck-new
ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow -Wundef
ARCHWARNINGSXX = -Wall -Wshadow -Wundef
ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10
ifeq ($(CONFIG_ARMV7M_TOOLCHAIN_CLANGL),y)
- ARCHCFLAGS += -nostdlib -ffreestanding
- ARCHCXXFLAGS += -nostdlib -ffreestanding
+ ARCHCFLAGS += -fno-common -nostdlib -ffreestanding
+ ARCHCXXFLAGS += -fno-common -nostdlib -ffreestanding
else
- ARCHCFLAGS += -funwind-tables
- ARCHCXXFLAGS += -fno-rtti -funwind-tables
+ ARCHCFLAGS += -fno-common -funwind-tables
+ ARCHCXXFLAGS += -fno-common -fno-rtti -funwind-tables
Review comment:
Done.
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