[coreboot] libpayload: Add -Os to the CFLAGS

Segher Boessenkool segher at kernel.crashing.org
Thu Mar 20 04:03:15 CET 2008

> Unfortunately, it exposes a strange issue where strcpy() suddenly goes
> missing - we think that strcpy() is being provided by libgcc, and that
> for some reason, -Os changes the beahavior.

strcpy() isn't part of libgcc.  What happened is that without -Os, the
compiler will inline certain invocations of strcpy() as a builtin.

> +char *strcpy(char *d, const char *s)
> +{
> +	return strncpy(d, s, strlen(s));
> +}

This doesn't put a terminating 0 on the string.


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