Bug#873508: sparse test failures on x32

[Luc Van Oostenryck <luc.vanoostenryck@gmail.com>]

On Fri, Apr 27, 2018 at 07:56:38AM +0200, Uwe Kleine-König wrote:
> Hello,
> 
> On 08/30/2017 06:14 PM, Uwe Kleine-König wrote:
> > Antoine Beaupre (on Cc:) noticed that sparse doesn't work on some not so
> > common architectures like ppc32le, s390x, ppc64 and sparc64[1]. This is
> > nicely catched by the testsuite, e.g.:
> >
> > [..]
> 
> Just a heads up: I uploaded 0.5.2 to Debian and there are problems left
> ...
> and x32 where I get:
> 
> 	env CHECK=./sparse ./cgcc -no-compile memops.c
> 	/usr/include/x86_64-linux-gnux32/gnu/stubs.h:10:12: error: unable to
> open 'gnu/stubs-64.h'
> 
> The stubs.h file looks as follows:
> 
> #if !defined __x86_64__
> # include <gnu/stubs-32.h>
> #endif
> #if defined __x86_64__ && defined __LP64__
> # include <gnu/stubs-64.h>
> #endif
> #if defined __x86_64__ && defined __ILP32__
> # include <gnu/stubs-x32.h>
> #endif
> 
> Given that libc6-dev only provides stubs-x32.h from these three, I guess
> we must not define __LP64__ in this case.

Mmmm, yes, surely.
For the moment sparse use __LP64__ unconditionnaly for __x86_64__.

> I don't have a x32 machine

But can you launch a test build for sparse easily enough?
I guess that there is no install CD available yet?


-- Luc