Re: [PATCH] kbuild: Disallow GCC 4.1.0 / 4.1.1

Sam Ravnborg
2009-01-02T17:56:21Z

On Fri, Jan 02, 2009 at 09:38:14AM -0800, Linus Torvalds wrote:
>
>
> On Fri, 2 Jan 2009, Linus Torvalds wrote:
> >
> > I think this is wrong.
> >
> > Just move the check into <linux/compiler-gcc4.h>
>
> In fact, looking at that whole mess, I redid it all. It was disgusting how
> conditionals in gcc4.h needed to double-check that __GNUC__ really was 4
> (rather than something bigger), which largely negated the whole nice clean
> compiler version separation.
>
> I pushed out my preferred version, which fixes up the whole thing. The
> gcc4 header file now only gets included for __GNUC__ == 4, and when we
> ever see a __GNUC__ of 5, it will automatically DTRT and try to include
> <linux/compiler-gcc5.h> instead of #4.
>
> And then the check in gcc4.h for 4.1.0 and 4.1.1 is much simplified. The
> two patches I pushed out add functionality, but don't actually add any new
> lines (the first simplification patch removes more lines than it adds, and
> the second one that adds the __weak bug test adds as mahy lines as the
> cleanup removed).
>
> And it all looks more logical too, imho.

Bugger....
Now I cannot do cross compile for: alpha, arm, m68k and sparc.

Not that I actually try to run these beasts but just being able
to do cross compile has served me well.

Last I looked (only few days ago) crosstool-ng did not support sparc :-(

Sam