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@@ -332,6 +332,7 @@ XWARNINGS=$(subst ",, $(strip $(WARNINGS))) -Wstrict-prototypes -fno-strict-alia
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ifeq ($(EXTRA_WARNINGS),y)
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XWARNINGS+=-Wnested-externs -Wshadow -Wmissing-noreturn -Wmissing-format-attribute -Wformat=2
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XWARNINGS+=-Wmissing-prototypes -Wmissing-declarations
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+XWARNINGS+=-Wnonnull -Wundef
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# works only w/ gcc-3.4 and up, can't be checked for gcc-3.x w/ check_gcc()
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#XWARNINGS+=-Wdeclaration-after-statement
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endif
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Mike Frysinger