Bug#666743: draft implementation for a Multi-Arch: foreign interface to gcc

[Helmut Grohne <helmut@subdivi.de>]

Hi Matthias,

On Wed, Sep 23, 2020 at 05:52:47PM +0200, Matthias Klose wrote:
> On 9/23/20 1:26 PM, Helmut Grohne wrote:
> > Hi Matthias,
> > 
> > thank you for reviewing my patch!
> > 
> > On Wed, Sep 23, 2020 at 12:48:10PM +0200, Matthias Klose wrote:
> >> looking at this patch:
> >>
> >> -	dh_installdocs -p$(p_gdc)
> >> -	dh_installchangelogs -p$(p_gdc) src/gcc/d/ChangeLog
> >> +	debian/dh_doclink -p$(p_gdc_n) $(p_xbase)
> >>
> >> doesn't work, replacing the doc directory with a symlink.
> > 
> > Please elaborate.
> > 
> > p_gdc_n is a new package. Nothing is replaced here.
> > 
> > The calls for p_gdc are not removed. They're moved lower. The docs stay
> > right there where they are now.
> > 
> > The new p_gdc_n package uses a symlink for its doc directory. That
> > should be fine.
> 
> ... which then doesn't work with a separate gdc build.

I failed to figure out how a separate gdc would build at all.
gdc-10-multilib also uses dh_doclink targeting p_xbase. So either the
separate gdc build is broken already or it works with the additional
p_xbase link here. In neither case, a change to the patch seems
required.

Helmut