Re: [uml-devel] Re: Partial fix! - Was: Re: [BUG report] UML linux-2.6 latest BK doesn't compile

Jeff Dike
2006-09-11T15:29:10Z

On Sat, Sep 09, 2006 at 11:31:36AM +0200, Blaisorblade wrote:
> On Saturday 09 September 2006 00:25, i.r.wezeman@hetnet.nl wrote:
> > Hi there.
> >
> > I got a error undefined reference to `__bb_init_func' when
> > compiling uml with kernel 2.6.17.6, gcc 4.1.1 and glibc-2.4

Happens to me with -rc6.

> Try removing from arch/um/kernel/gmon_syms.c these 2 lines:
>
> extern void __bb_init_func(void *);
> EXPORT_SYMBOL(__bb_init_func);

And this seems to fix it.

> Better yet, try if adding the weak attribute like below fixes
> the problem:
>
> extern void __bb_init_func(void *) __attribute__((weak));
> EXPORT_SYMBOL(__bb_init_func);

And this fixes it even better.

Jeff