[PATCH 05/19] buildsystem: remove the -static-libgcc flag, saves a few Kb

[Rich Felker]

On Tue, Sep 25, 2012 at 02:06:04PM +0200, Florian Fainelli wrote:
> From: Felix Fietkau <nbd at openwrt.org>
> 
> Signed-off-by: Felix Fietkau <nbd at openwrt.org>
> ---
>  Makefile.flags |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Makefile.flags b/Makefile.flags
> index e77c0e5..f129cef 100644
> --- a/Makefile.flags
> +++ b/Makefile.flags
> @@ -51,7 +51,7 @@ CFLAGS += $(call cc-option,-fno-builtin-strlen -finline-limit=0 -fomit-frame-poi
>  # -fno-guess-branch-probability: prohibit pseudo-random guessing
>  # of branch probabilities (hopefully makes bloatcheck more stable):
>  CFLAGS += $(call cc-option,-fno-guess-branch-probability,)
> -CFLAGS += $(call cc-option,-funsigned-char -static-libgcc,)
> +CFLAGS += $(call cc-option,-funsigned-char,)

On most systems this flag should be a no-op, but when it's not, you
definitely want it. Using shared libgcc might save a tiny amount of
space in the binary, but it will add 4-8k of memory usage to each
instance of busybox at runtime. This is not a reasonable tradeoff.

Rich