Re: [Qemu-devel] Re: [PATCH 30/42] Rename CPPFLAGS to CFLAGS

[malc]

On Thu, 30 Jul 2009, Juan Quintela wrote:

> Paolo Bonzini <address@hidden> wrote:
> 
> > ... agreed, that's why I don't care if you call it CPPFLAGS or
> > QEMU_CFLAGS or QEMU_CPPFLAGS.  I just want to preserve the distinction
> > between flags the user may want to override (optimization, debugging),
> > and flags the user should leave alone.
> 
> Ok, and what are that options?
> Looking at today Makefiles, the only things that I see that the user
> could want changing is:
>  -g
>  -O2
>  -fno-strict-aliasing
>  -fno-unit-at-a-time (ppc)

-fno-unit-at-a-time (-fno-toplevel-reorder which -fno-unit-at-a-time
implies actually) is no longer needed after BlueSwirls work on PPC's
translate.

>  -msmall-data (alpha)
>  -mno-sdata (ia64)
> 
> Rest of things are -I/-D stuff, that you don't want to touch from the
> command line at all.
> 
> Anything else?  Should that be enough?
> 
> Later, Juan.
> 
> 

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