Re: [RFC PATCH v6 00/17] ILP32 for ARM64

From: Arnd Bergmann
Date: Mon Nov 09 2015 - 09:37:47 EST


On Monday 09 November 2015 15:33:51 Andreas Schwab wrote:
> Arnd Bergmann <arnd@xxxxxxxx> writes:
>
> > On Monday 09 November 2015 14:23:59 Andreas Schwab wrote:
> >> Yury Norov <ynorov@xxxxxxxxxxxxxxxxxx> writes:
> >>
> >> > This is what I run:
> >> > https://github.com/norov/glibc/tree/thunderx-ilp32-32time_toff_t
> >>
> >> That doesn't work for me:
> >>
> >> ../sysdeps/unix/sysv/linux/generic/sysdep.h:24:22: error: â__NR_llseekâ undeclar
> >> ed (first use in this function)
> >> ../sysdeps/unix/sysv/linux/aarch64/sysdep.h:41:32: error: â__NR_fcntl64â undeclared (first use in this function)
> >>
> >
> > Did you re-export the kernel headers that you use as the base?
>
> I'm using the patched 4.3 kernel headers.

Ok.

> Why is <asm/bitsperlong.h> defining __BITS_PER_LONG to 64 unconditionally?

It should not, that is a bug. I don't know how Yury built his glibc,
but it can't work if __BITS_PER_LONG is wrong.

Arnd
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