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disable format security warnings

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We pass strings to printf directly a lot.  Some distros enable some flags
in their gcc by default like -Wformat-security.  With these two things, we
end up with a lot of build warnings like so:
	loginutils/chpasswd.c:42:3: warning: format not a string literal and
		no format arguments [-Wformat-security]

But we don't care.  Our focus is first and foremost on size, so adding a
lot of dummy calls like:
-	printf(some_constant_string);
+	printf("%s", some_constant_string);
is pointless bloat.

Disable this warning flag if the compiler supports it.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2012-08-04 16:14:24 -04:00
parent 293c94564c
commit ca81a93722
1 changed files with 1 additions and 0 deletions
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Makefile.flags
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@ -25,6 +25,7 @@ CFLAGS += $(call cc-option,-Wstrict-prototypes,)
CFLAGS += $(call cc-option,-Wunused -Wunused-parameter,) CFLAGS += $(call cc-option,-Wunused -Wunused-parameter,)
CFLAGS += $(call cc-option,-Wunused-function -Wunused-value,) CFLAGS += $(call cc-option,-Wunused-function -Wunused-value,)
CFLAGS += $(call cc-option,-Wmissing-prototypes -Wmissing-declarations,) CFLAGS += $(call cc-option,-Wmissing-prototypes -Wmissing-declarations,)
CFLAGS += $(call cc-option,-Wno-format-security,)
# warn about C99 declaration after statement # warn about C99 declaration after statement
CFLAGS += $(call cc-option,-Wdeclaration-after-statement,) CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
# If you want to add more -Wsomething above, make sure that it is # If you want to add more -Wsomething above, make sure that it is