btrfs-progs: build: enable -Wmissing-prototypes
With all the known warnings fixed, we can enable -Wmissing-prototypes and prevent such warnings from happening. Signed-off-by: Qu Wenruo <wqu@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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Makefile
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Makefile
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@ -84,7 +84,8 @@ DISABLE_WARNING_FLAGS := $(call cc-disable-warning, format-truncation) \
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$(call cc-disable-warning, address-of-packed-member)
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# Warnings that we want by default
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ENABLE_WARNING_FLAGS := $(call cc-option, -Wimplicit-fallthrough)
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ENABLE_WARNING_FLAGS := $(call cc-option, -Wimplicit-fallthrough) \
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$(call cc-option, -Wmissing-prototypes)
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# Common build flags
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CFLAGS = $(SUBST_CFLAGS) \
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