3.3 problem of -fzero-initialized-in-bss w/-ffreestanding

[Kaveh R. Ghazi]

 > From: "David O'Brien" <obrien@FreeBSD.org>
 > 
 > GCC 3.3 now has -fzero-initialized-in-bss as the default.  That is fine
 > and dandy for userland programs.  But it caused a major problem for the
 > FreeBSD kernel when we upgraded from 3.2.2 to 3.3.1 [snapshot].
 > 
 > -no-zero-initialized-in-bss should be the default when -ffreestanding is
 > specified -- GCC should not^H^H^Hcannot make assumptions about when BSS
 > zeroing occurs in an -ffreestanding environment.
 > 
 > Can this change be made for 3.3.1 release?
 > -- David  (obrien@FreeBSD.org)

Fine with me if Mark agrees.  Assuming we'll do this, do you have a
patch in mind?  (We'll probably need slightly different patches for
3.3.1 vs mainline given the recent option handling work.)

--
Kaveh R. Ghazi			ghazi@caip.rutgers.edu