Re: [PATCH] kbuild: Fix gcc -x syntax

[Bernhard Walle <bernhard@bwalle.de>]

Hi,

* Ingo Molnar <mingo@kernel.org> [2012-09-29 08:37]:
> * Jean Delvare <jdelvare@suse.de> wrote:
> 
> > The correct syntax for gcc -x is "gcc -x assembler", not "gcc 
> > -xassembler". Even though the latter happens to work, the 
> > former is what is documented in the manual page and thus what 
> > gcc wrappers such as icecream do expect.
> > 
> > This isn't a cosmetic change. The missing space prevents 
> > icecream from recognizing compilation tasks it can't handle, 
> > leading to silent kernel miscompilations.
> 
> Although we can apply this patch, it won't solve the problem of 
> building older kernels (and bisecting, etc.).
> 
> Wouldn't it be prudent to increase the compatibility of 
> icecream, so that it accepts what GCC accepts in practice,
> such as -xassembler?

Wouldn't it make sense to do both? Using the documented syntax in the
build system *and* increase compatibility in 3rd party tools?


Regards,
Bernhard