Re: [gentoo-portage-dev] [PATCH v2] install-qa-check.d: issue warnings for 32bit ELFs not using LFS

[Mike Frysinger]

On 30 May 2015 11:22, Zac Medico wrote:
> On 05/30/2015 07:36 AM, Mike Frysinger wrote:
> > On 26 May 2015 08:58, Zac Medico wrote:
> >> On 05/26/2015 07:24 AM, Mike Frysinger wrote:
> >>> +	# Only check on 32-bit systems.  Filtering by $ARCH here isn't perfect, but
> >>> +	# it should be good enough for our needs.
> >>> +	case ${ARCH} in
> >>> +	arm|mips|ppc|sh|x86) ;;
> >>> +	*) return ;;
> >>> +	esac
> >>
> >> Shouldn't we also enable this for 64-bit archs when multilib is enabled?
> >
> > yes, but i think we should start here first.  getting multilib right is kind of
> > a pain.  this should give us enough coverage i think to get people to start
> > filing bugs which implicitly covers multilib users.  once the dust has settled,
> > we can look at expanding the multilib coverage.  although that would really
> > require a python implementation, and the current install hooks logic implicitly
> > requires every file to be bash.
> >
> > to use your pkg-config example, it installs 32bit & 64bit ELFs into /usr/bin.
> > we can't scan all 32bit ELFs because it would incorrectly flag ILP32 ABIs like
> > x32 & n32.
>
> Our compute_multilib_category function has logic that could be used to
> separate and filter them:
>
> https://gitweb.gentoo.org/proj/portage.git/tree/pym/portage/dep/soname/multilib_category.py

that'd require a python implementation which hooks are somewhat limited by 
currently ;)
-mik