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Fix SAMD51 builds on GCC11.2 #6128

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Merged
merged 1 commit into from
Mar 9, 2022
Merged

Fix SAMD51 builds on GCC11.2 #6128

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6 changes: 5 additions & 1 deletion ports/atmel-samd/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -197,7 +197,11 @@ CFLAGS += \
-DSAM_D5X_E5X -DSAME51
endif


# GCC 11 adds stringop bounds checks that trigger when writing a memory region
# we know is ok. It's not clear how to give the compiler the info it needs so
# disable the checks for now.
# See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99578
CFLAGS += -Wno-stringop-overread -Wno-stringop-overflow

LDFLAGS = $(CFLAGS) -nostartfiles -Wl,-nostdlib -Wl,-T,$(GENERATED_LD_FILE) -Wl,[email protected] -Wl,-cref -Wl,-gc-sections -specs=nano.specs
LDFLAGS += -flto=$(shell $(NPROC))
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